Search Results — 2000 specimen records retrieved (1616 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG24474  Abies concolor E. R. Blakley 1960-8-30 3796 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  NY29521  Abies magnifica F. W. Hunnewell 1922-7-18 8395 Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SBBG10743  Acer glabrum E. R. Blakley 1960-8-3 3799 Placer 0.5 mi W of Carnelian Bay, Lake Tahoe 2011 Comment
  CAS-BOT-BC331006  Acer glabrum var. glabrum Alice Eastwood 1909-1-1 268 Placer Lake Tahoe Region. Deer Park Comment
  CAS-BOT-BC331012  Acer glabrum var. glabrum Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CAS-BOT-BC331014  Acer glabrum var. glabrum Emily K. Mcpherson 1976-6-12 s.n. Placer Sierra Nevada. Loch Leven Lakes Comment
  RSA749179  Acer glabrum var. torreyi James R. Shevock 1985-8-9 11337 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  POM85271  Acer macrophyllum Marcus E. Jones 1882-5-28 3308 Placer Emigrant Gap. Comment
  SEINET7894012  Acer macrophyllum J. Ridley 1959-4-19 24 Placer 1 mi. east of Baxter along small stream bank on south side of Highway 40 1219 Comment
  SEINET11842679  Achillea millefolium subsp. lanulosa J. H. Nishida 1985-1 783 Placer Homewood 1829 Comment
  CAS-BOT-BC210686  Achnatherum lemmonii C. L. Hitchcock 1940-5-7 6314 Placer Ca. 1 mile west of Baxter Comment
  UC821962  Achnatherum lemmonii C. L. Hitchcock 1940-5-7 6314 Placer 1 mi w Baxter Comment
  UC822089  Achnatherum lemmonii Marcus E. Jones, A. M. 1882-6-28 3298 Placer Emigrant Gap Comment
  UCD50469  Achnatherum lemmonii A. A. Beetle 1941-5-26 2716 Placer Near Cisco. 914 Comment
  SEINET232544 Image available Achnatherum nelsonii subsp. dorei Mary E. Barkworth, L Firestone 1987-8-20 4011 Placer Campground 0.7 mi south of I-80 to tahoe City; interchange at Truckee Comment
  UCD22221  Achnatherum nelsonii subsp. dorei Beth Lowe Corbin 1982-8-2 152 Placer Onion Creek Campground. S facing slope. Uncommon. Mostly shade. In fine, sandy, granitic soil in mixed conifer forest. Perennial bunchgrass, forming loose bunches. 1841 Comment
  UCD43120  Achnatherum occidentale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 488 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC210834  Achnatherum occidentale subsp. californicum G. W. Dunn No date on label s.n. Placer Emigrant Gap 1524 Comment
  CAS-BOT-BC210837  Achnatherum occidentale subsp. californicum A. A. Heller 1917-8-14 12925 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  CAS-BOT-BC210838  Achnatherum occidentale subsp. californicum No date on label 12889 Placer Summit Station 2121 Comment
  UC1133148  Achnatherum occidentale subsp. californicum N. French 1934-6-21 435 Placer w end of lake at sw corner of Sec. Tahoe National Forest, Truckee Quadrangle Comment
  UC682057  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3170 Placer 1 mi w Cisco Grove (rocky ledges along US Highway 40) 1706 Comment
  UC682059  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3172 Placer 1 mi w Cisco Grove (rocky ledges along US Highway 40) 1706 Comment
  UCD22223  Achnatherum occidentale subsp. californicum Rex Palmer 1979-6-21 N 356 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT000022  Achnatherum occidentale subsp. occidentale James Grove 1977-7-15 Placer 2000.0 Comment
  UC750542  Achnatherum occidentale subsp. occidentale Lewis S. Rose 1946-6-23 46193 Placer n of Cisco (Rainbow) 1737 Comment
  UCD74156  Achnatherum occidentale subsp. occidentale Jennifer W. Burt 2005-7-9 24 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from center of an abandoned ski run. 1870 Comment
  CDA15640  Achnatherum occidentale subsp. pubescens G. F. Hrusa, J. Glazner 1999-7-18 15193 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC477532  Achnatherum stillmanii L. S. Smith 1931-6-4 2557 Placer below Pine Nut (Duncan Canyon); Tahoe Nat. Forest 1524 Comment
  SD43620  Achyrachaena mollis Darley F. Howe 1948-5-20 1835 Placer 455 Comment
  SCFS1005  Acmispon E. Krimmel 2014-6-26 Placer Above seep at Cedars driveway on Soda Springs road Comment
  CHSC73947  Acmispon americanus var. americanus Susi Urie 1998-9-1 98 -195 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CHSC82578  Acmispon americanus var. americanus Lowell Ahart 2002-7-22 9918 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
  JEPS127427  Acmispon americanus var. americanus Steve Matson 1998-8-15 377 Placer nSNH Tahoe North shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  UCD103811  Acmispon americanus var. americanus A. A. Heller 1917-8-12 12873 Placer Southern Pacific reservoir west of Emigrant Gap in coarse. Comment
  UCD103988  Acmispon argophyllus var. fremontii Beecher Crampton 1955-6-15 2887 Placer Bunch Canyon near its base, 4.5 miles south of U.S. Highway 40, near its base, Forest Hill Road. Comment
  UCD104064  Acmispon brachycarpus G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11711 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
  UC1125854  Aconitum columbianum B. Bolt 1934-8-22 190 Placer Grayhorse Flat Tahoe Nat'l Forest, Truckee Quad., Grayhorse Flat Comment
  SEINET5337506  Aconitum columbianum P. A. Lehenbauer 1932-9-11 1469 Placer Carnelian Bay, Tahoe. Comment
  CAS-BOT-BC391459  Aconitum columbianum subsp. columbianum Alice Eastwood 1909-1-1 77 Placer Lake Tahoe Region. Sunnyside Comment
  HSC32497  Aconitum columbianum subsp. columbianum A. M. Montalvo, J. D. Ackerman 1974-7-20 387 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy. 89 Comment
  CAS-BOT-BC412607  Aconogonon alaskanum Elizabeth Parsons Hawver No date on label s.n. Placer Lake Tahoe Region Comment
  SEINET4175504  Aconogonon davisiae W. D. Billings 1950-7-30 1921 Placer Northeast side of Squaw Peak, Sierra Nevada 2591 Comment
  UCD98804  Aconogonon phytolaccifolium Rex Palmer 1979-7-25 N 674 Placer Headwaters basin area of the North Fork of the American River Comment
  OBI39838  Adenocaulon bicolor Joy H. Nishida 1985-7-10 790 Placer Homewood 1829 Comment
  UCD21683  Adenocaulon bicolor Beth Lowe Corbin 1982-8-6 259 Placer 1/8 mile west of Onion Creek campground. In deep conifer duff. Open area near stream. Perennial herb. White flowers. Partial sun. SW facing slope, 10% incline. Occasional. 1844 Comment
  CAS-BOT-BC110730  Aegilops triuncialis K. L. Stark 1971-6-8 s.n. Placer Sierra Nevada. North side of road to Dutch Flat, 3 miles west of Alta. 1188 Comment
  UCR241273  Aegilops triuncialis George K. Helmkamp, E. A. Helmkamp 2012-6-19 19218 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  UCR232216  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2011-5-6 17216 Placer Eastern Edge of Sacramento Valley, Camp Far West Road, 0.1 mile west of its junction with McCourtney Road, c. 6.3 mi. NE (67 deg. ) of Wheatland 58 Comment
  CDA12385  Agastache urticifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8513 A Placer Lake Tahoe; Upper Ward Valley, 4 mi SW Tahoe City. Comment
  CDA12416  Agastache urticifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8544 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  SCFS1145  Agastache urticifolia E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #5. Comment
  UCD22078  Agastache urticifolia Rex Palmer 1979-7-25 N 804 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC29593  Agoseris X dasycarpa Alice Eastwood 1909-1-1 273 Placer Ward Creek Comment
  CAS-BOT-BC15492  Agoseris X elata Elizabeth Parsons Hawver 1910-7-26 s.n. Placer Sunnyside, Lake Tahoe Region Comment
  UCD128584  Agoseris grandiflora G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10449 Placer Northern Sierra Nevada. Ca. 4 air miles NE of Auburn, along an unnamed road to Lake Clementine, 1.2 miles N of Forest Hill Road. 422 Comment
  UC1563961  Agoseris heterophylla var. cryptopleura Barbara Ertter with David Thompson 1989-4-8 8154 Placer near entrance, ca 2 mi from I80 (at creek crossing) Auburn State Recreation Area; Iowa Creek Road 518 Comment
  UC579555  Agoseris monticola B. Bolt 1934-8-23 203 Placer divide toward Grayhorse Picayune 2438 Comment
  JEPS75042  Agoseris retrorsa Gladys L. Smith 1972-6-20 3260 Placer s facing slopes from summit to Sherwood Forest Ward Peak Summit; Sherwood Forest 2590 Comment
  POM260172  Agoseris retrorsa C. L. Hitchcock 1940-5-7 6325 Placer 1 mile west of Baxter Comment
  RSA790861  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18948 Placer Finning Mill Road, 1.2 mi north of its junction with Forest Hill Road. 1104 Comment
  CAS-BOT-BC451160  Agrimonia gryposepala W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat Station Comment
  SACT000041  Agropyron desertorum D. Meyer 1983-8-7 Placer Hwy 267 4.64 km S of Placer County line, roadside wash 1758.0 Comment
  SACT000049  Agropyron intermedium var. trichophorum D. Meyer 1983-7-3 Placer at Big Reservoir 1234.44 Comment
  SACT000052  Agropyron intermedium var. trichophorum Michael Baad 1976-7-17 Placer Open brushy slopes on granite 2133.6 Comment
  SACT000080  Agropyron trachycaulum Michael Baad 1983-7-23 Placer 1767.84 Comment
  JEPS22879  Agrostemma githago Donald E. Vermeer 1959-5-2 13 Placer on U.S. Highway 40, 5 mi w Auburn 274 Comment
  UCD150662  Agrostemma githago var. githago Kwei-lin Lum 1973-5-27 139 Placer Collected at Auburn-Foresthill Rd., 11.2 mi from Hwy 49, 7.5 mi from Foresthill. 655 Comment
  CHSC74332  Agrostis exarata Susi Urie; Eric Schroder 1998-9-12 98 -370 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  SACT000081  Agrostis exarata D. Meyer 1983-8-7 Placer East bank 1879.0 Comment
  UCD52294  Agrostis exarata Beecher Crampton 1955-6-15 2889 Placer junction of Iowa Hill, Forest Hill road, 2.5 miles north Yankee Jim. Comment
  UCR233389  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18171 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.4 miles west of Robinson Flat 2041 Comment
  CAS-BOT-BC139255  Agrostis idahoensis A. A. Heller 1919-7-25 13293 Placer Near the Yuba river below Cisco. 1676 Comment
  UCD42963  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 332 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC139143  Agrostis oregonensis Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  SEINET13384101 Image available Agrostis pallens George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-1 19523 Placer Northern Sirrea Nevada Mountains: Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2135 Comment
  UCD43292  Agrostis pallens C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 660 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44504  Agrostis pallens C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1870 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD56335  Agrostis pallens G. F. Hrusa; J. Glazner 2000-7-1 15611 Placer Northern Sierra Nevada, Summit Village, Truckee. Riparian zone along Donner Creek adjacent to Hwy. 89. 1844 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
  JEPS127496  Agrostis scabra Steve Matson 2002-11-7 773 Placer Tahoe west shore; Emerald Bay, Eagle Falls trailhead. Comment
  SACT000162  Agrostis scabra D. Meyer 1984-7-29 Placer South of reservoir; moist, shady north-facing slope 1612.0 Comment
  SACT000170  Agrostis scabra D. Meyer 1984-9-9 Placer 1406.0 Comment
  UC128217  Agrostis scabra Miss Harriet A. Walker 1908-7-25 1409 Placer Cisco 1810 Comment
  UCR241351  Agrostis scabra George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19812 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  SACT000192  Agrostis stolonifera var. major D. Meyer 1983-7-26 Placer Gold Run exit off I 80 intersect of Magra Rd Gold Run Rd 970.0 Comment
  SACT000204  Agrostis stolonifera var. major D. Meyer 1983-7-30 Placer 2072.64 Comment
  SACT000213  Agrostis tenuis D. Meyer 1984-6-23 Placer 9.76 km from I80 Frontage rd. moist shady roadside ditch. oak, pine, manzanita, assoc 978.0 Comment
  SACT000218  Agrostis tenuis D. Meyer 1983-6-16 Placer 1624.0 Comment
  CAS-BOT-BC64488  Ailanthus altissima Elizabeth McClintock 1969-5-31 s.n. Placer E. of Auburn. Comment
  UCD55729  Aira caryophyllea A. A. Beetle 1941-5-26 2710 Placer Near Cisco. 914 Comment
  UCSB34809  Aira caryophyllea Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65 Comment
  UCSB45747  Aira caryophyllea Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65 Comment
  SEINET10509650  Aira caryophyllea Alan A. Beetle 1941-5-26 Beetle 2710 Placer Near Cisco. 914 Comment
  CDA12428  Allium campanulatum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8557 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  POM269026  Allium campanulatum Lyman Benson 1942-7-2 11256 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CAS-BOT-BC466755  Allium campanulatum Marcus E. Jones 1882-6-30 2881 Placer Emigrant Gap Comment
  JEPS106452  Allium jepsonii Barrett Anderson 2003-6-22 4893 Placer 1340 ft; NE corner of the intersecton of Dry Creek Road and Blue Grass Drive, approx. 0.8 mi E of Hwy 49. Serpentine outcrop with a seep. 408 Comment
  UC635251  Allium obtusum H. L. Mason 1933-5-28 7242 Placer Pyramid Creek, Placerville Road 1905 Comment
  CAS-BOT-BC474277  Allium obtusum var. obtusum Alice Eastwood 1912-6-15 408 Placer Deer Park. Lake Tahoe Region Comment
  UCR120245  Allophyllum gilioides subsp. violaceum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5031 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR233402  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18184 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  UC196658  Allotropa virgata Miss Adele Dahl Placer Tahoe City Comment
  OBI39836  Alnus incana Joy H. Nishida 1985-7-10 793 Placer Homewood, Red fir forest 1829 Comment
  SEINET5536271 Image available Alnus incana subsp. tenuifolia E. J. Kraus 1926-1 s.n. Placer Lake Tahoe Comment
  UC847421  Alnus incana subsp. tenuifolia Alice Eastwood Jun 15 1912-Jun 19 1912 469 Placer Tahoe City Lake Tahoe Region Comment
  SACT000260  Alopecurus aequalis Michael Baad 1983-7-23 Placer along hwy 267 on southside of the road Comment
  UCD150261  Amaranthus albus James A. Neilson Jr. 1971-9-9 2601 Placer Placer: Tahoe City Nursery (McBride's Nursery). 1905 Comment
  CAS-BOT-BC136771  Amelanchier utahensis Julia McDonald 1914-6-1 s.n. Placer Homewood, Lake Tahoe region Comment
  CAS-BOT-BC136772  Amelanchier utahensis W. R. Dudley 1909-8-23 s.n. Placer Shore of Lake Tahoe, Tahoe Tavern Comment
  CAS-BOT-BC136774  Amelanchier utahensis Mary P. Wells 1980-9-12 s.n. Placer Near Tahoe City, West end of Pioneer Way 1981 Comment
  UC481572 Image available Amelanchier utahensis G. W. Fetters 1929-6-20 Placer Homewood; Lake Tahoe Comment
  CHSC107416  Amorpha californica Karen I. Callahan 2010-6-26 17 Placer Northern Sierra Nevada Foothills. Shutamul Preserve of the Placer County Land Trust. North slope above the Bear River, NW of Hwy 49 and S of the confluence of Wolf Creek with Bear River. 335 Comment
  SEINET895796 Image available Amorpha californica H. M. Hall, F. M. Essig 1916-1 10159 Placer Bear River at Gautier Bridge, northern Placer County, on the westerly slope of the Sierra Nevada, lower edge of Lower Transition Zone 400 Comment
  CAS-BOT-BC213968  Amsinckia Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 3999 Placer 2.5 mi. s. of Bear River crossing on road to Auburn 335 Comment
  CDA36965  Amsinckia menziesii var. menziesii CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD77512  Anagallis minima Robert E. Preston 2002-4-26 1786 Placer Ca. 2.7 mi s of Lincoln, in field w of Industrial Ave 36 Comment
  SD243066  Anaphalis margaritacea George K. Helmkamp, E. A. Helmkamp 2010-8-14 16792 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 (Duncan Peak 7.5'Q) 1552 Comment
  UC1125502  Anaphalis margaritacea N. French 1934-6-22 469 Placer Serena Lake; Truckee Quad. 2407 Comment
  UCD83588  Anaphalis margaritacea Albert Grigarick 2009-8-7 157 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1938 Comment
  CAS-BOT-BC128576  Androsace occidentalis Marcus E. Jones 1882-4-29 s.n. Placer Emigrant Gap Comment
Read comments
Sep 29 2017
  UC29466  Antennaria argentea C. F. Sonne Jul 7 1886-Jan 1 1900 Placer on, (woods) Truckee River; Sierra Nevada Mountains Comment
  JEPS126319  Antennaria rosea Steve Matson 1997-7-1 1 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  CAS-BOT-BC84756  Antennaria rosea subsp. rosea John H. and Hazelle A. Thomas 1956-7-21 6163 Placer Vicinity of Donner Pass 2377 Comment
  CDA1723  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Sierra Nevada Mtns.; near Cisco, Elev. 3000 ft. Comment
  UCD36703  Anthoxanthum odoratum Beecher Crampton 1955-7-13 2985 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  JEPS5182  Antirrhinum vexillocalyculatum subsp. intermedium Rimo Bacigalupi 1951-7-20 3891 Placer 2 mi e Forest Hill (Volcano Creek, overlooking the Middle Fork canyon of the American River); Volcano Creek 762 Comment
  JEPS126310  Apocynum androsaemifolium Steve Matson Aug, 1997 96 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension of North Ave. Comment
  OBI18627  Apocynum androsaemifolium Robert F. Hoover 1967-9-5 10821 Placer Carnelian bay, Lake Tahoe Comment
  OBI39812  Apocynum androsaemifolium Joy H. Nishida 1985-7-10 772 Placer Homewood 1829 Comment
  JEPS59460  Apocynum androsaemifolium Ezra Brainerd and Viola B. Baird 1915-7-13 195 Placer opposite Camp Bear Rock; Sierra Nevada 1905 Comment
  SEINET7923476  Apocynum androsaemifolium K. A. Chandler 1901-8-21 s.n. Placer Half Moon, near Tahoe Comment
  RSA779398  Apocynum cannabinum George K. Helmkamp, Amy Barnes 2009-7-12 15190 Placer along Todd Valley Road, 0.1 mile south of its junction with Foresthill Road, c. 13 air miles NE of Auburn 854 Comment
  CDA39733  Apocynum cannabinum Jacobsen Nov 1928 s.n. Placer 1/2 mile east of headquarters of Whitney Estate, 6 miles northeast of Roseville. 0 Comment
  SD237579  Aquilegia formosa G. K. Helmkamp, Amy Barnes 2009-7-12 15180 Placer Sierra Nevada Mountains Foothills: along Foresthill Road 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q) 1370 Comment
  UCD95554  Aquilegia formosa L. M. Sparks 1912-8-1 27 Placer Lake Tahoe. 1920 Comment
  SEINET12092704  Aquilegia formosa J. H. Nishida 1985-1 782 Placer Homewood: Red Fir Forest 1829 Comment
  POM366953  Aquilegia formosa var. truncata Bonnie C. Templeton 1931-7-4 1505 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  POM99522  Aquilegia formosa var. truncata Marcus E. Jones 1882-6-28 2614 Placer Emigrant Gap. Comment
  RSA537721  Arabidopsis thaliana Barbara Ertter 1989-4-9 8196 Placer halfway down road to Lake Clementine (N Fork Lake) NE of Auburn. 305 Comment
Read comments
Nov 19 2015
  POM143944  Arabis drummondii C. F. Sonne 1897-07 s.n. Placer Bear Valley on Truckee River. Comment
  SEINET2470948  Arabis holboellii var. retrofracta K. Christie 2010-7-8 1889 Placer Lake Tahoe Basin Management Unit (USFS); along FR 16N73, just to the northeast of Painted Rock. 2255 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
  RSA0129050  Arabis platysperma L. S. Rose 1944-7-12 44095 Placer Chamber Lodge, Lake Tahoe. 1921 Comment
  UCD20193  Araucaria columnaris Jack McCaskill 1968-10-19 s.n. Placer Laguna Beach, in front of private residence, 1251 North Beach Highway. Comment
  SEINET2116921  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2004-9-8 2004 -28 Placer Alpine Meadows Ski Area. Along Roundhouse Ski Lift 2190 Comment
  CAS-BOT-BC24245  Arctostaphylos mewukka L. R. Abrams 1910-7-1 4992 Placer Near Blue Canyon on Union Pac. R.R. Comment
  CAS-BOT-BC24249  Arctostaphylos mewukka Walter Knight; Irja Knight 1989-4-17 6481 Placer Moody Ridge, 2.3 mi. from Alta exit on I-80 up Casa Loma Road at probably type locality. 1219 Comment
  CAS-BOT-BC38576  Arctostaphylos mewukka W. R. Dudley 1909-7-22 s.n. Placer Lover's Loop, American River. Comment
  JEPS14033  Arctostaphylos mewukka Rimo Bacigalupi with G. Stebbins, A. Hawkes, F. Ehrendorfer, J. Hunziker, D. Zohary and H. Stutz 1952-7-20 3880 Placer n-facing serpentine slope just s Shirttail Public Camp (nr. headwaters of Shirttail Creek, 6 mi e of Iowa Hill); Tahoe Nat. Forest 1127 Comment
  POM76766  Arctostaphylos mewukka Marcus E. Jones 1900-7-10 s.n. Placer Colfax Comment
  UC674746  Arctostaphylos mewukka C. H. Merriam 1911-11-5 Placer 3 mi nw Colfax; West Slope Sierra Nevada Comment
  UCR60663  Arctostaphylos mewukka G. D. Wallace, R. F. Thorne, Larry E. DeBuhr, et al. 1975-4-13 1421 Placer Sierra Nevada, Baxter exit off Hwy 80 between Alta and Blue Can. 1207 Comment
  CAS-BOT-BC40042  Arctostaphylos nevadensis Mary P. Wells 1980-9-12 s.n. Placer Forest west of Pioneer Way, Tahoe City 1981 Comment
  RSA121257  Arctostaphylos nevadensis R. W. Lundh 1933-4-26 237 Placer 3 miles S. Signal Peak. 1829 Comment
  SEINET7263127  Arctostaphylos nevadensis P. Lehenbauer 1931-4-22 s.n. Placer [Sierra Nevada] above Carnelian Bay Comment
  CAS-BOT-BC42103  Arctostaphylos patula W. R. Dudley 1909-8-16 s.n. Placer Near Clark's Dutch Flat Comment
  SBBG5461  Arctostaphylos patula E. R. Blakley 1960-8-30 3794 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  UCD21473  Arctostaphylos patula Beth Lowe Corbin 1982-8-18 368 Placer One mile SW of The Cedars. 1828 Comment
  SEINET7266021  Arctostaphylos patula B. Miller 4 Placer Along road 2 miles E. of Johnstown on the middle fork of the Feather River, about 15 miles from Portola Comment
  CAS-BOT-BC47065  Arctostaphylos viscida subsp. viscida Brandegee 1889-1-1 32 Placer Blue Canyon. 1432 Comment
  POM202666  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11124 Placer Colfax. Comment
  POM209626  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-12 A- 2 Placer 3 miles above Colfax. Comment
  RSA637020  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24927 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
  UC535030  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-12 A 2 Placer 3 mi above Colfax Comment
  UCR190667  Arctostaphylos viscida subsp. viscida George K. Helmkamp, E. A. Helmkamp 2007-5-23 12078 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  UC1125769  Arenaria congesta var. suffrutescens G. T. Nordstrom 1934-6-18 109 Placer North slope of Texas Hill Tahoe Natioinal Forest,Colfax Quadrangle, Texas Hill 1584 Comment
  RSA423602  Arenaria kingii subsp. compacta William Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  JEPS127457  Arnica chamissonis Steve Matson 1998-5-27 321 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters south of Highway 267, south of Martis Creek. Comment
  UCD44624  Arnica chamissonis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1990 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS20873  Arnica dealbata C. F. Sonne 1888-8-12 473 Placer Truckee River Sierra Nevada Mountains Comment
  JEPS20875  Arnica dealbata Leland S. Smith 1925-1-1 1664 Placer near Middle Fork of the American River; Tahoe National Forest, French Meadows 1828 Comment
  CDA12382  Arnica longifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8510 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  UC193595  Arnica longifolia C. F. Sonne 1885-8-23 Placer n of Tinker's Knob ((e slope Anderson's Peak)); Anderson's Peak Comment
  CAS-BOT-BC85175  Arnica mollis Arnold Tiehm 1974-8-8 5201 Placer Sierra Nevada, Murphy's Meadow 2407 Comment
  UC193451  Arnica mollis C. F. Sonne 1886-8-9 Placer above Coldstream Comment
  POM160241  Arnica nevadensis C. F. Sonne 1897-07 s.n. Placer E Slope Mt. Anderson 2439 Comment
  UC197325  Arnica nevadensis C. F. Sonne 1897-7-1 Placer Mt. Anderson (e slope) Sierra Nevada Mountains 2438 Comment
  JEPS20971  Arnica nevadensis C. F. Sonne 1888-8-12 190 Placer near Truckee; Sierra Nevada Mountains Comment
  SEINET8196674  Artemisia arbuscula subsp. thermopola D. W. Taylor 2013-7-7 21400 b Placer Tinker Knob, east flank (approached from the jeep road along the ridge to the NE). 2648 Comment
  CAS-BOT-BC84893  Artemisia cana subsp. bolanderi Charlotte Pyle 1978-1-1 s.n. Placer Silver Peak, Sierra Nevada Comment
  JEPS16969  Artemisia douglasiana Peter H. Raven 1956-8-4 9991 Placer Blue Canyon Sierra Nevada, Blue Canyon 1432 Comment
  UC193589  Artemisia ludoviciana subsp. incompta C. F. Sonne 1887-8-7 Placer mts. above Coldstream Comment
  UC193587  Artemisia ludoviciana subsp. incompta C. F. Sonne 1885-8-2 Placer ravine on river at Mathew's Dam; Truckee River Comment
  UC193453  Artemisia spiciformis C. F. Sonne 1888-9-9 Placer on Truckee River; Bear Valley Comment
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Apr 3 2021
  UCD33481  Artemisia tridentata Beecher Crampton 1968-9-18 8383 Placer 1.5 miles east of Emigrant Gap on Interstate 80. 1676 Comment
  UC1119472  Artemisia tridentata subsp. vaseyana R. C. Wilson 1934-9-19 73 Placer Suaw Valley Tahoe National Forest, Truckee Quadrangle, Squaw Valley Comment
  CAS-BOT-BC400751  Asarum lemmonii Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  UC372822  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
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Apr 7 2018
  UC6195  Asarum lemmonii Mrs. M. M. Hardy 1893-1 Placer Comment
  SJSU2074  Asclepias cordifolia F. J. Santana 1958-5-10 77 Placer 2 mi SE of Auburn Comment
  UCR194940  Asclepias cordifolia George K. Helmkamp, E. A. Helmkamp 2007-5-18 12009 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  SBBG58649  Asclepias speciosa E. Rockwell -Aug-1918 12 Placer Ladds Springs, American River 1219 Comment
  POM120737  Aspidotis densa Marcus E. Jones 1882-6-27 5 m-11-26 Placer Emigrant Gap. Comment
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Sep 7 2010
  UCR257730  Aster foliaceus var. parryi George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19520 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
  POM58879  Aster integrifolius C. F. Sonne 1897-08 12382 Placer Canyons above Coldstream Comment
  UCR241346  Aster occidentalis var. occidentalis George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19823 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.7 mile north of Robinson Flat Campground, about 26 miles northeast of Foresthill, Tahoe National Forest 2034 Comment
  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
  SCFS1029  Asteraceae E. Krimmel 2013-7-28 Placer North Fork American River, trail to Heath Falls Overlook. Stop #1 Comment
  UC862943  Astragalus canadensis var. brevidens A. A. Heller 1917-8-13 12904 Placer near Summit Hotel; near Summit Hotel 2133 Comment
  UCD105487  Astragalus whitneyi S. S. Smith 1916-6 442 Placer Near Timber Squaw Valley. Comment
  SD9322  Athyrium distentifolium C. F. Sonne Aug 1897 Placer East slope Mt. Anderson 2590 Comment
  UCD23226  Athyrium filix-femina Beth Lowe Corbin 1982-8-13 339 Placer 1 mile west of The Cedars. In sandy soil between rocks along the north fork of the American River. 1630 Comment
  CAS-BOT-BC66086  Athyrium filix-femina var. cyclosorum M. N. Ackley 1926-6-1 71 Placer Bear Valley, Sierra Nevada 1371 Comment
  SEINET11193207  Athysanus pusillus F. Martin 1962-3-16 74 Placer Above the North Fork Yuba River, 2 miles E of Auburn. 274 Comment
  CDA36968  Avena barbata CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UC1130893  Avena barbata N. French, R. Clar 1933-6-5 68 Placer Middle Fork American River Sacramento Quadrangle Comment
  SEINET4342872  Avena fatua P. Lehenbauer 1937-5-16 s.n. Placer Auburn Comment
  SACT000419  Avena occidentalis D. Meyer 1984-6-17 Placer 666.0 Comment
  SEINET4560811  Baccharis pilularis George K. Helmkamp, E. A. Helmkamp 2010-1 17031 Placer Northern Sierra Nevada Mountains Foothills: Sugar Pine Road at the southwest corner of Sugar Pine Reservoir near the dam 1128 Comment
  CAS-BOT-BC100071  Balsamorhiza macrolepis B. Crampton 1957-5-7 3983 Placer Uncultivated strip along the railroad and US Hwy. 99E, 3.2 miles north of Roseville Comment
  CAS-BOT-BC100072  Balsamorhiza macrolepis T. C. Fuller 1957-4-15 3901 Placer Roadside, Highway 99E. 2 miles north of Roseville Comment
  CAS-BOT-BC16557  Barbarea orthoceras Saichi Kawahara 1969-7-6 1417 Placer Mel Henderson Ranch, east bank of Indian Creek. Swing near old cabin. 999 Comment
  CHSC74209  Barbarea orthoceras Susi Urie 1998-9-4 98 -261 Placer Lake Tahoe Basin-National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CHSC74213  Barbarea orthoceras Susi Urie 1998-8-29 98 -162 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. Meadow complex. 2115 Comment
  UC147603  Barbarea orthoceras Harriet A. Walker 1908-6-25 1307 Placer Cisco, Placer Co. 1810 Comment
  UCR249610  Barbarea orthoceras George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20835 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  CAS-BOT-BC75988  Berberis pumila Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run. Comment
  UC1192180  Bidens cernua Malcolm A. Nobs 1948-9-25 687 a Placer 9 mi n of Auburn (Rock Creek, Highway 99); Rock Creek Comment
  RSA655456  Blennosperma nanum Beecher Crampton 1953-2-11 974 Placer 3/4 mile north of Lincoln. Comment
  UCD22336  Boechera Rex Palmer 1979-6-19 N 264 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD114321  Boechera divaricarpa Robert E. Preston 1984-6-13 460 Placer ca. 3.2 km W of Sunnyside. 2013 Comment
  UCD22338  Boechera pendulocarpa Rex Palmer 1979-6-21 N 426 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC14251  Boechera pinetorum John Thomas Howell 1943-7-25 18816 Placer West side of Donner Pass near Norden. 2133 Comment
  UCD75740  Boechera platysperma Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5203 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
  UCD22341  Boechera retrofracta Rex Palmer 1979-6-20 N 311 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC10137  Boechera sparsiflora H. N. Bolander 1865-4-10 4514 Placer near Auburn (Bed of American River); American River Comment
  CAS-BOT-BC25781  Boechera stricta Alice Eastwood 1909-1-1 125 Placer Lake Tahoe Region. Sunnyside. 1981 Comment
  UCD66905  Botrychium simplex John Hunter 2008-6-25 s.n. Placer north of Kings Beach (north shore of Lake Tahoe) along unnamed tributary of Griff Creek. 2300 Comment
  UCD102607  Boykinia occidentalis Marianne Lewin 1973-5-27 146 Placer Mosquito Ridge Road, 15.8 miles east of Forest Hill. 1158 Comment
  UCD80175  Brassica rapa CNPS SN Foothill Team 2005-4-13 SNFN 0107 c Placer Placer Legacy, located on Didion Ranch in Placer County, east of Spear's Ranch, on the north bank of Coon Creek, approximately 500 meters west of the east boundary of the study area. 143 Comment
  SEINET5340929  Brassica rapa C. Fitz 1959-3-5 s.n. Placer Near Auburn, Hw. 40, profuse in fields and orchards. 396 Comment
  POM260022  Briza minor M. Hitchcock 1940-5-14 6389 Placer Meiner Ranch, ca. 6 miles north of Colfax. 762 Comment
  SACT000457  Briza minor D. Meyer 1984-5-6 Placer 145.5 Comment
  UC1134019  Brodiaea elegans subsp. elegans C. R. Clar 1933-6-4 127 Placer near Newcastle; Sacramento Quadrangle Comment
  CDA39460  Brodiaea purdyi G. M. Cole 1928-5-2 s.n. Placer Near Auburn. 0 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
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Jul 17 2018
  CAS-BOT-BC144326  Bromus W. R. Dudley 1900-6-28 s.n. Placer Tallac. Comment
  SACT000516  Bromus carinatus D. Meyer 1983-6-5 Placer 982.98 Comment
  SEINET3922009  Bromus carinatus Ellen Dean, M. Starbuck; G. Harrington; Jennifer Buck; Mark Bibbo; T. Sasaki; J. Poloske 2008-7-19 5152 Placer Donner State Park, newly acquired lands to the SE of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek.; 0 2112 Comment
  UCD36670  Bromus carinatus Beecher Crampton 1955-6-15 2906 Placer Placer County, Yankee Jims. 807 Comment
  UCD74173  Bromus carinatus Jennifer W. Burt 2005-7-13 35 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1928 Comment
  SEINET4345208  Bromus carinatus W. D. Billings 1940-5-18 1302 Placer Gold Run Comment
  UC1131047  Bromus carinatus var. carinatus B. Bolt 1934-7-3 Placer top of Sawtooth Ridge Sawtooth Ridge 1219 Comment
  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
  CAS-BOT-BC148721  Bromus carinatus var. marginatus Beecher Crampton 1985-6-23 9998 Placer North Shore Lake Tahoe, Stateline Road. Comment
  CAS-BOT-BC148722  Bromus carinatus var. marginatus Lewis S. Rose 1944-7-12 44090 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  SEINET203582 Image available Bromus carinatus var. marginatus F. J. Hermann 1955-7-27 11940 Placer NW shore of Lake Tahoe 1829 Comment
  UCD59165  Bromus carinatus var. marginatus L. S. Smith 1916-6-27 647 Placer Squaw Valley. Comment
  UCD59195  Bromus carinatus var. marginatus Mrs. H. P. Kelley 1916-7-17 s.n. Placer Tallac, Lake Tahoe. Comment
  CAS-BOT-BC156283  Bromus catharticus John Thomas Howell; Gordon H. True 1968-6-9 44512 Placer Sierra Nevada. Alta. 1066 Comment
  CAS-BOT-BC155985  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  UCD59464  Bromus diandrus August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  UCR176281  Bromus hordeaceus George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10430 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  SACT000569  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-5-15 Placer Field at southeast corner 36.6 Comment
  CHSC74911  Bromus laevipes Susi Urie; Eric Schroder 1998-9-8 98 -288 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
  SACT000599  Bromus laevipes D. Meyer 1984-6-23 Placer 740.0 Comment
  SACT000691  Bromus marginatus D. Meyer 1983-10-22 Placer from base of Searchlight chairlift to base of Olympic Lady chairlift, downhill ski area, straw added for erosion control 2000.0 Comment
  SACT000700  Bromus marginatus D. Meyer 1983-8-7 Placer east bank 1879.0 Comment
  SACT000701  Bromus marginatus D. Meyer 1983-8-20 Placer from road to first lake, steep rocky trail 2000.0 Comment
  SACT000613  Bromus molliformis Josephine Van Ess 1977-4-1 Placer 3/4 mile from end of Industrial Ave. Low area between road and railroad tracks with a few cottonwood trees. 39.6 Comment
  CAS-BOT-BC162166  Bromus orcuttianus L. S. Smith 1925-9-10 1727 Placer Tahoe Forest. Near Emigrant Gap. 1524 Comment
  SACT000616  Bromus orcuttianus D. Meyer 1983-8-20 Placer to summit at first lake, steep ricky trail with moist meadow areas 2000.0 Comment
  SACT000618  Bromus orcuttianus D. Meyer 1984-7-29 Placer 1645.92 Comment
  UCD37042  Bromus orcuttianus Beecher Crampton 1956-7-17 3723 Placer Placer County, Blue Canyon. 1432 Comment
  SACT000723  Bromus rubens Michael Baad 1977-6-8 Placer On Forest HIll to French Meadows Road, slate outcrop 731.52 Comment
  SACT000726  Bromus rubens Michael Baad 1983-4-17 Placer descending to North Fork of American River 411.48 Comment
  SACT000728  Bromus rubens Michael Baad 1983-4-17 Placer 2.7 miles outheast of intersection descending to Middlefork of the American River, serpentine outcrop. 609.6 Comment
  CAS-BOT-BC161586  Bromus sterilis Saichi Kawahara 1969-7-6 1421 Placer West of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  SACT000756  Bromus suksdorfii D. Meyer 1983-10-22 Placer searchlight ski run from base up to Olympic Lady chairlift. 2121.0 Comment
  SEINET2470970  Bromus suksdorfii K. Christie 2010-7-22 1911 Placer Lake Tahoe Basin Management Unit (USFS); ca. 1.0 mi. southeast of Martis Peak. 2407 Comment
  SACT000767  Bromus tectorum Michael Baad 1983-5-5 Placer Ciolfax, 1 mile north of Placer Hills Road. Open hillside north-facing slope. 609.6 Comment
  SACT000785  Bromus tectorum Josephine Van Ess 1976-8-6 Placer 1/8 mile north of Seven Cedars Road Comment
  UCD60059  Bromus tectorum Beecher Crampton 1955-6-15 2874 Placer Bunch Canyon head, 1 mile south of U. S. Hwy. 40, on the Forest Hill road. Comment
  SEINET3924020  Calamagrostis breweri A. A. Heller 1903-8-10 7130 Placer Above Donner Pass.; 0 2286 Comment
  UCR2267  Calamagrostis breweri A. A. Heller 1903-8-10 7130 Placer Above Donner Pass 2287 Comment
  SEINET7297941 Image available Calamagrostis breweri A. A. Heller 1903-1 7130 Placer Above Donner Pass 2286 Comment
  CHSC74154  Calamagrostis canadensis Susi Urie 1998-8-13 98 -036 Placer Lake Tahoe Basin-National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74465  Calamagrostis canadensis Susi Urie; Eric Schroder 1998-9-11 98 -338 Placer Lake Tahoe Basin-National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UCD43835  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1201 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC438323  Calandrinia ciliata John Thomas Howell; Gordon H. True 1971-5-26 47643 Placer Northern limits of Lincoln 48 Comment
  CHSC72323  Calliscirpus brachythrix L. P. Janeway 1998-9-18 6344 Placer Small meadow just below the Pacific Crest Trail about 2.4 mi north of Barker Pass; draining into North Fork Blackwood Creek. 2331 Comment
  CHSC96485  Callitriche heterophylla var. bolanderi Lowell Ahart; Brian Williams 2007-4-13 13669 Placer In shallow water, in and around a large vernal pool, just over the fence (west), 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. 41 Comment
  SEINET3863172 Image available Calocedrus decurrens D. Bortner 1973-6-2 123 Placer Two miles east of Foresthill, off Auburn-Foresthill Rd.; 0 Comment
  SEINET11051870  Calocedrus decurrens P. A. Lehenbauer 1932-1 s.n. Placer Lake Tahoe, Emerald Bay. Comment
  CHSC24734  Calochortus albus T. C. English 1976-4-11 12 Placer N. Fork American River. 2 mi. W. Hwy 49 bridge, 400yds. N. abandoned R. R. in S. facing rockpile. 335 Comment
  SEINET11261459  Calochortus albus George Helmkamp, E. A. Helmkamp 2012-5-5 18912 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
  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
  SEINET8194127  Calochortus albus J. Vetter 1955-4-23 s.n. Placer 0.5 mile E of Loomis. 274 Comment
  SJSU9957  Calochortus albus F. S. Santana 1956-5-10 76 Placer by Highway 49 c. 1.5 mi E of Auburn & 1 mi N of Middle Fork Rubicon River Comment
  UC3363  Calochortus albus C. F. Sonne 1891-5-17 7 Placer Auburn to Newcastle; Sierra Nevada Mountains Comment
  UCR90844  Calochortus coeruleus Kathy Harper, Dane Karr 1994-6-18 s.n. Placer Sierra Nevada Mtns., N side of Calif. Hwy 20 less than 10 mi west of I-80. 1555 Comment
  UCR191104  Calochortus leichtlinii George K. Helmkamp, E. A. Helmkamp 2007-6-12 12327 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  RSA21431  Calochortus luteus Carl B. Wolf 1937-5-12 8611 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  UC843683  Calochortus minimus Marcus E. Jones, A. M. 1882-6-28 3300 Placer Emigrant Gap Comment
  CAS-BOT-BC483470  Calochortus minimus R. S. Smith 1926-4-16 1781 Placer Foresthill Divide, Tahoe forest 792 Comment
  POM260065  Calochortus monophyllus C. L. Hitchcock 1940-5-7 6311 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC493403  Calochortus monophyllus C. L. Hitchcock 1940-5-7 6311 Placer 1 mile west of Baxter Comment
  SEINET12045761  Calochortus monophyllus L. Constance, Morrison, J. L. 1938-1 2172 Placer E edge of Applegate, Sierra Nevada foothills 610 Comment
  SEINET8197448  Calochortus monophyllus D. F. Erskine 1941-4-25 16 Placer Bear River Canyon. 1067 Comment
  UC614454  Calochortus monophyllus L. Constance, J. L. Morrison 1938-4-30 2172 Placer e edge Applegate (Sierra Nevada foothills); Sierra Nevada 609 Comment
  UC843706  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 mi n Colfax Comment
  SBBG57803  Calochortus venustus M. N. Ackley -Jun-1925 649 Placer New England Mills Comment
  SD62109  Calochortus venustus Darley F. Howe 1965-5-20 Placer 3.5 miles north of Auburn. 456 Comment
  UCR218991  Calycadenia multiglandulosa George K. Helmkamp, E. A. Helmkamp 2010-6-26 16368 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SCFS5090  Calystegia malacophylla F. Felix, Erica Krimmel 2013-5-19 11 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  SEINET13203118 Image available Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Amy Barnes 2014-1 22779 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River (Auburn 7.5' Q.) 290 Comment
  CAS-BOT-BC416718  Calystegia vanzuukiae R. K. Brummitt; S. N. Namoff; K. Van Zuuk; B. Ertter 2012-6-12 22047 Placer Tahoe National Forest, 3 miles NE of Foresthill, Western States Trail c. 1 mile from Michigan Bluff Road 1091 Comment
  UC1965410  Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff, K. Van Zuuk & B. Ertter 2012-6-12 22052 Placer Tahoe National Forest, 7.9 miles NE of Forest Hill, on Sugar Pine Road 3.6 miles from Forest Hill Road, directly opposite Park Flat OHV staging area Comment
  POM259053  Camissonia subacaulis J. T. Howell 1938-8-2 13991 Placer 5 miles north of Brockway. Comment
  RSA456178  Campanula prenanthoides P. A. Munz 1934-7-9 12733 Placer Emigrant Gap. Comment
  SD243113  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-8-14 16783 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 (Duncan Peak 7.5'Q) 1552 Comment
  UCR250288  Campanula prenanthoides George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20801 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  CAS-BOT-BC37257  Cardamine breweri Arnold Tiehm 1974-8-8 519 Placer Sierra Nevada. Murphy's Meadow. 2407 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
  CAS-BOT-BC471266  Cardamine cordifolia Arnold Tiehm 1974-8-8 525 Placer Sierra Nevada. Juniper Creek 2194 Comment
  CDA12415  Cardamine cordifolia var. lyallii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8543 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CAS-BOT-BC38117  Cardamine pensylvanica Alice Eastwood 1912-6-15 454 Placer Lake Tahoe Region. Deer Park. Comment
  SBBG128860  Cardamine pensylvanica G. K. Helmkamp, E. A. Helmkamp 2012-2-23 18576 Placer Newcastle, along CA-193 (Newcastle Hwy), 0.1 mi SE of its jct with Langs Hill Rd, W of the jct with I-80, SW of Auburn 279 Comment
  CDA33871  Cardaria pubescens Robin Breckenridge 2010-10-29 PDR# 1313512 Placer Interstate 80 at Kingvale Chain Control. 0 Comment
  CDA39224  Cardaria pubescens Keith Kohler 2013-8-5 PDR# 310 P06129936 Placer Vicinity of Truckee; Northstar, Village Walk. 0 Comment
  CAS-BOT-BC281743  Carduus pycnocephalus J. H. Wilson 1968-6-6 s.n. Placer Dick Cook Rd, Loomis Comment
  UCD44540  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1906 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCSB63803  Carex angustata Janeway, L.; Schroder, Eric; Murrell, Katherine 1998-7-15 Placer T14N, R13E, NW1/4 of NW1/4 of sec. 35; Homewood quad.; north side of Blackwood Creek; 1.7 mi. west of LakeTahoe 1938 Comment
  CHSC89003  Carex aquatilis var. aquatilis L. P. Janeway 2004-8-18 8247 Placer Northern High Sierra Nevada. Between Blackwood Canyon Road and Blackwood Creek 2.7 km west from Hwy 89 and west shore of Lake Tahoe. Large meadow complex. 1945 Comment
  CAS-BOT-BC18023  Carex athrostachya James A. Neilson 1970-7-18 1601 Placer Sierra Nevada. Ward Valley. Comment
  CHSC74284  Carex athrostachya Susi Urie 1998-8-29 98 -173 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD43227  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 596 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR257634  Carex athrostachya George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19530 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
  UC830194  Carex aurea Alice Eastwood Jun 15 1912-Jun 19 1912 473 Placer Tahoe City Lake Tahoe Region, Tahoe City Comment
  UCD149401  Carex bolanderi G. Ledyard Stebbins 1976-7-4 7684 Placer Spring Hollow, E of Little Crater. (Exact location unknown. Coordinates estimated by label maker.) 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
  CAS-BOT-BC34208  Carex canescens L. S. Smith 1935-7-22 2794 Placer Tulare Forest. South of Soda Springs near [illegible]. 2133 Comment
  CDA15925  Carex douglasii G. F. Hrusa, J. Glazner 1999-7-17 15176 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest in vicinity. Short, open rhizomatous colony in dry area. Uncommon here. 1889 Comment
  RSA115454  Carex feta Beecher Crampton 1955-6-15 2865 Placer Head of Bunch Canyon, Forest Hill Road junction with U. S. Highway 40, 3 miles east of Weimar. Comment
  UC825093  Carex feta Lewis S. Rose 1939-6-5 39217 Placer near Emigrant Gap; Bear Valley 1371 Comment
  OBI49286  Carex filifolia Unknown 1882-6-28 2908 Placer Emigrant Gap Comment
  UCD75961  Carex filifolia var. erostrata Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5226 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  CHSC73324  Carex fissuricola L. P. Janeway; Eric Schroder 1998-9-16 6328 Placer Small 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
  UC1729962  Carex fissuricola L. P. Janeway, Eric Schroder 1998-9-16 6328 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  RSA35081  Carex fracta L. S. Rose 1944-7-10 44043 Placer Quail Lake, 3 miles W of Chambers Lodge Lake Tahoe. 2134 Comment
  SEINET5786554 Image available Carex geyeri Marcus E. Jones 1882-1 3286 Placer Emigrant Gap Comment
  RSA0115171  Carex hassei Lyman Benson 1942-7-2 11264 Placer Highway junction 1 mile west of Truckee. Mt. Range: Sierra Nevada. 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
  CHSC69224  Carex heteroneura var. heteroneura James D. Jokerst 1986-7-12 2696 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
  CAS-BOT-BC28156  Carex hoodii Lewis S. Rose 1944-7-10 44059 Placer Chambers Lodge, Lake Tahoe. Comment
  RSA0089809  Carex hoodii Dean Wm. Taylor 2010-8-10 20991 Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek. 2508 Comment
  UC826077  Carex hoodii Marcus E. Jones, A. M. 1882-6-28 3532 Placer Emigrant Gap Comment
  CHSC68058  Carex integra James D. Jokerst 1986-7-12 2692 B 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
  POM80922  Carex lemmonii Marcus E. Jones 1882-6-18 s.n. Placer Emigrant Gap. Comment
  UC710517  Carex lenticularis var. lipocarpa Lewis S. Rose 1944-7-25 44240 Placer Chambers Lodge Lake Tahoe 1920 Comment
  SEINET3000400 Image available Carex luzulifolia Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. Comment
  SEINET10842189  Carex luzulifolia var. strobilantha A. Arthur Heller 1903-8-17 Heller 7187 Placer Above Donner Pass. 2286 Comment
  CHSC74135  Carex microptera Susi Urie 1998-8-28 98 -142 Placer Lake Tahor Basin Management Unit -- National Forest. Middle of Page Meadows; about 2 miles west of Lake Tahoe and Sunnyside. 2115 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
  SEINET3219609 Image available Carex multicaulis Clare B. Hardham 1961-6-14 7349 Placer route 40, near Baxter. Comment
  UCR66601  Carex multicaulis C. L. Hitchcock 1940-5-7 6309 Placer c. 1 mi west of Baxter. Comment
  CAS-BOT-BC32061  Carex multicaulis R. K. Gierisch; D. H. Esplin 1969-7-11 3524 Placer Big Bend 1828 Comment
  CAS-BOT-BC32273  Carex multicostata John Thomas Howell 1943-7-21 18641 Placer Donner Pass to Mt. Lincoln Comment
  UCD75690  Carex multicostata Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5139 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  SEINET13390554  Carex multicostata M. J. Williams 1985-7-6 85- 63 -3 Placer Sierra Nevada, Pacific Crest Trail between old and new Donner Summits. Comment
  CAS-BOT-BC119848  Carex nebrascensis John Thomas Howell 1943-7-19 18584 Placer Summit Valley Comment
  UCD140682  Carex nebrascensis Mrs. H. P. Kelley 1915-6-18 s.n. Placer Squaw Valley. Comment
  CDA12407  Carex nervina G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8535 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  JEPS111264  Carex nervina Steve Matson 2005-9-11 1522 Placer Tahoe west shore, technically just outside the Tahoe Basin, 800 meters northwest of Barker Pass/PCT trailhead, where PCT crosses stream. 39.0789N 120.2417W; elevation 8,033 ft. 2448 Comment
  POM81078  Carex nervina Marcus E. Jones 1882-7-1 3533 Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  SDSU11688  Carex obnupta H. K. Svenson 1951-5-2 2173 Placer 457 Comment
  UC810  Carex praegracilis H. N. Bolander 1865-4-11 4549 Placer near Auburn Comment
  CAS-BOT-BC117443  Carex senta L. S. Smith 1927-8-12 2239 Placer Upper Squaw Creek Basin. 2286 Comment
  CHSC74309  Carex simulata Susi Urie 1998-9-3 98 -226 Placer Lake Tahoe Basin Management Unit. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  CAS-BOT-BC117697  Carex simulata John Thomas Howell 1938-8-2 13999 Placer 5 mi N of Brockway Comment
  UCD43262  Carex specifica C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 630 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC116995  Carex straminiformis A. A. Heller 1917-8-14 12927 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  UCR179196  Carex straminiformis Rex Palmer 1979-7-9 N- 444 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  CAS-BOT-BC116551  Carex subfusca John Thomas Howell 1943-7-27 18873 Placer Lake Tahoe near Tahoe Pines Comment
  CAS-BOT-BC116558  Carex subfusca Peter H. Raven; John ORourke 1956-8-4 10000 Placer Moist hillside 1.0 mi from Blue Canyon on road to Emigrant Gap. 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
  CHSC74313  Carex subfusca Susi Urie 1998-8-17 98 -052 Placer Lake Tahoe Basin Management Unit. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74717  Carex subfusca Susi Urie 1998-8-29 98 -154 Placer Lake Tahoe Basin Management Unit. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  SEINET4286149 Image available Carex subfusca K. Chung, Matson, S 2009-1 1073 Placer Lake Tahoe, north side. Comment
  UCD43295  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 663 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR121490  Carex subfusca George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5022 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR191096  Carex subfusca George K. Helmkamp, E. A. Helmkamp 2007-6-12 12324 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  CAS-BOT-BC116552  Carex subfusca John Thomas Howell 1938-8-2 14005 Placer 5 mi N of Brockway Comment
  UC1147789  Carex tumulicola Alice Eastwood, John Thomas Howell 1937-5-8 4363 Placer between Newcastle and Penryn Comment
  CAS-BOT-BC115400  Carex utriculata Catherine Best 1981-8-1 s.n. Placer Big Meadow, ca 3 mi S of French Meadows 1600 Comment
  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
  JEPS63520  Carex utriculata W. L. Jepson 1934-8-7 16881 Placer near Squaw Creek; Truckee River Comment
  UC710519  Carex utriculata Lewis S. Rose 1944-7-25 44244 Placer Chambers Lodge Lake Tahoe 1920 Comment
  RSA0115170  Carex vesicaria Lyman Benson 1942-7-2 11269 Placer Highway junction 1 mile west of Truckee. Mt. Range: Sierra Nevada. 1828 Comment
  UC1729965  Carex vesicaria var. vesicaria L. P. Janeway, Eric Schroder 1998-9-16 6325 Placer about 3.7 mi sw of Lake Tahoe (southwestern border of Lily Lake, head of McKinney Creek, Homewood Quadrangle); Lily Lake, McKinney Creek 2164 Comment
  CAS-BOT-BC114931  Carex whitneyi Lewis Samuel Rose 1940-6-1 40451 Placer Truckee River, 3 mi. NW of Tahoe City. 1889 Comment
  CAS-BOT-BC114932  Carex whitneyi Lewis Samuel Rose 1944-7-10 44051 Placer Chambers Lidge, Lake Tahoe. 1920 Comment
  UCD140983  Carex whitneyi Mrs. H. P. Kelley 1915-6-23 s.n. Placer Squaw Valley. 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
  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
  SACT002853  Castanopsis sempervirens Michael Baad 1976-6-10 Placer Collected on north slope 500' above creek edge of water. On Trail to Robinson Flat. Comment
  SEINET12032252  Castanopsis sempervirens K. S. Erdman 1966-1 3541 Placer Along Interstate 80 near Emigrant Gap,Sierra Nevada Mtns 1524 Comment
  UCD21860  Castilleja Rex Palmer 1979-7-10 N 516 Placer Exact location unknown. Comment
  CDA19534  Castilleja applegatei M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 247 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
  SCFS1148  Castilleja applegatei E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  CAS-BOT-BC438833  Castilleja applegatei subsp. pinetorum George K. Helmkamp; Mary Alice Barnes 2013-5-3 20494 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill. 422 Comment
  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
  RSA569050  Castilleja applegatei subsp. pinetorum Bonnie C. Templeton 1931-7-5 1509 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UC148982  Castilleja applegatei subsp. pinetorum H. M. Hall Jul 1910 8707 Placer Cisco; Sierra Nevada Mountains 1798 Comment
  CHSC3844  Castilleja exserta Gary Dutton 1966-3-25 147 Placer Found on hwy. 40 one mile east of Auburn. Comment
  UCD122499  Castilleja foliolosa G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10435 Placer Northern Sierra Nevada: ca. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with CA Hwy 49 at the middle fork of the American River. 370 Comment
  UC128268  Castilleja lacera Miss Harriet A. Walker 1908-7-28 1476 Placer near big bend in Yuba River (Cisco); Cisco Comment
  JEPS22904  Castilleja miniata John H. and Hazelle A. Thomas Jul 21 1956-Jul 22 1956 6214 Placer vicinity Donner Pass (about 80 mi ne of Sacramento); Sierra Nevada, Donner Pass 2133 Comment
  UC192705  Castilleja miniata C. F. Sonne Jul 1886 Placer Truckee , Truckee River (along Truckee River) Comment
  CHSC74268  Castilleja miniata subsp. miniata Susi Urie 1998-9-2 98 -219 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  SBBG48681  Castilleja miniata subsp. miniata L. B. Towle 1974-7-12 Placer N of A.D.Hauser cabin, St Hwy 267, King's Beach, Lake Tahoe Comment
  UCD162576  Castilleja miniata subsp. miniata Steve Matson 1998-7-28 358 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork bog. 1920 Comment
  JEPS86483  Castilleja pruinosa L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6563 Placer ca 5 mi se Donner Lake (w of Tinker Knob, Sherman Chickering's Soda Springs holdings); Sherman Chickering's Soda Springs 2042 Comment
  UCR208274  Castilleja pruinosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14641 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  CHSC73998  Castilleja tenuis Susi Urie 1998-8-28 98 -140 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  UCD162560  Castilleja tenuis Steve Matson 1999-7-28 354 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dry meadow east of main bog. 1920 Comment
  SEINET14173337  Castilleja tenuis F. H. Hillman 1894-1 s.n. Placer Between Truckee and Lake Tahoe. Comment
  CAS-BOT-BC47855  Ceanothus cordulatus Julia McDonald 1914-6-1 s.n. Placer Homewood Comment
  CAS-BOT-BC47859  Ceanothus cordulatus Alice Eastwood 1912-6-15 493 Placer Lake Tahoe Region - Deer Park 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
  UCD111389  Ceanothus cordulatus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12055 Placer Northern Sierra Nevada Mountains; along Forest Hill Road, 11.1 miles northeast of Foresthill. 1463 Comment
  SEINET5339258  Ceanothus cordulatus F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe. Comment
  SACT002904  Ceanothus cuneatus Michael Baad 1977-4-13 Placer 0.2 mile north of Highway I80 on Placer Hills Road to Meadow Vista, ecotone between ponderosa pine forest and chaparral 502.92 Comment
  SEINET5339262  Ceanothus cuneatus H. Holbo 1961-3-31 s.n. Placer N. fork American River 610 Comment
  UCD123970  Ceanothus cuneatus var. cuneatus D. O. Burge 2009-4-3 1077 c Placer North Fork American River Watershed, Forest Hill Divide, near turn-off for Mammoth Bar OHV Area, Auburn State Recreation Area, roadside on Old Foresthill Road, 1.8 road miles (2.9 km) north-east of intersection with SR 49, 6.1 km 63 deg. (True) ENE of Auburn. 350 Comment
  CAS-BOT-BC50755  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  CAS-BOT-BC50759  Ceanothus integerrimus H. E. McMinn 1926-5-29 1753 Placer 3.1 mi. east of Crystal Springs Comment
  UC1070714  Ceanothus integerrimus J. E. Sowder, R. W. Lundh 1933-5-15 29 Placer n slope of Colfax Hill Colfax quad. 822 Comment
  UC1602375  Ceanothus integerrimus Katharine Brandegee 1889-7-7 Placer Blue Canyon Comment
  UCD22211  Ceanothus integerrimus Rex Palmer 1979-6-21 N 394 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22724  Ceanothus integerrimus K. A. Bear 1978-5-13 52 Placer 4.1 mi. E. of Foresr Hill Rd. on Mosquito Ridge Rd. Comment
  UC1281533  Ceanothus lemmonii H. E. McMinn 1926-5-29 1755 Placer 10.6 mi w Crystal Springs (Truckee Rd) Comment
  POM90822  Ceanothus lemmonii J. G. Lemmon 1889-5-26 188 Placer Johnsons Ranch near Quincy Comment
  CAS-BOT-BC63352  Ceanothus prostratus Mary Elizabeth Jump 1939-4-23 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63396  Ceanothus prostratus H. E. McMinn 1926-5-29 1709 Placer Along highway 3.1 mi. e. of Crystal Springs. Comment
  POM145273  Ceanothus prostratus Simonds 1928-05 s.n. Placer Above Grass Valley Comment
  UCD112654  Ceanothus prostratus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 11.1 miles northeast of Foresthill. 1463 Comment
  POM86912  Ceanothus ramulosus Marcus E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
Read comments
Sep 3 2010
  UC1071448  Ceanothus tomentosus N. French 1933-5-16 58 Placer 4 mi se Colfax; Colfax quad. Comment
  UC634574  Ceanothus tomentosus Herbert L. Mason 1926-5-29 3286 Placer Donner Pass Road near Alta; Donner Pass Road near Alta Comment
  RSA0028383  Ceanothus tomentosus Fay A. MacFadden 1934-3-31 12486 Placer Near Monte Vista Inn. Comment
  UC569799  Ceanothus velutinus H. S. Yates 1934-6-30 3958 Placer Carnelian Bay Truckee Quad., Carnelian Bay 1920 Comment
  CAS-BOT-BC63181  Ceanothus velutinus var. velutinus Brandegee 1889-7-1 1 Placer Donner. Comment
  SBBG4594  Ceanothus velutinus var. velutinus E. R. Blakley 1960-8-29 3790 Placer Carnelian Bay, Lake Tahoe 1950 Comment
  CDA32782  Centaurea diffusa Robin Breckenridge 2009-8-18 PDR# 1313573 Placer In the vicinity of Cisco Grove, in eastbound I-80 center divide, near the Cisco Grove exit. 0 Comment
  CDA19805  Centaurea maculosa R. Breckenridge 1998-7-22 PDR 389790 Placer Sierra Nevada; Silver Strike & Northstar Drive near Truckee. 0 Comment
  CDA33856  Centaurea maculosa Keith Kohler 2010-9-22 PDR# 1379998 Placer Near Truckee & Northstar-at-Tahoe; Big Spring Drive near Gray Wolf Road, close to Nevada County line. 0 Comment
  UCR233370  Centaurea maculosa George K. Helmkamp, E. A. Helmkamp 2011-8-26 18159 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  CDA7328  Centaurea solstitialis T. C. Fuller 1958-4-15 3800 Placer 1 mile south of Roseville. 0 Comment
  CAS-BOT-BC288623  Centromadia fitchii Hugh Mozingo 1973-9-23 s.n. Placer Along Interstate Highway 80 near Kingvale 1859 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
  CDA12425  Chaenactis douglasii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8554 Ab Placer Lake Tahoe; W end of Ward Valley, 4 miles SW of Tahoe City. Comment
  UCD21702  Chaenactis douglasii Beth Lowe Corbin 1982-8-4 210 Placer 1/3 mile west of Onion Creek campground. In rocky and fine, sandy soil. Opening in montane chaparral. Perennial herb with purplish stems, creme colored flowers. Full sun. West facing slope, 30% incline. Uncommon. 1859 Comment
  CHSC44856  Chaenactis douglasii var. douglasii Lowell Ahart 1975-8-23 959 Placer Mountain side along the edge of Baker Ranch Soda Springs Road, between Sailor Flat and Robinson Flat, about 15 air miles north-east of Forest Hill. 1828 Comment
  SEINET9341069  Chaenactis douglasii var. douglasii Unknown 1967-9-3 6790 Placer Placer Comment
  CAS-BOT-BC277776  Chaenactis nevadensis C. F. Sonne 1887-8-7 s.n. Placer Sierra Nevada Mountains. Mts. above Coldstream (near Summit) 2590 Comment
  CAS-BOT-BC141722  Chamaebatia foliolosa Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CAS-BOT-BC141724  Chamaebatia foliolosa C. L. Hitchcock 1940-5-7 6323 Placer ca. 1 miles west of Baxter Comment
  CAS-BOT-BC141727  Chamaebatia foliolosa C. Hart Merriam 1911-11-5 s.n. Placer Colfax Comment
  CAS-BOT-BC141728  Chamaebatia foliolosa Saichi Kawahara 1969-5-25 898 Placer Ditch line north of old cabin, Mel Henderson Ranch, Indian Creek 1011 Comment
  SBBG83434  Chamaebatia foliolosa N. Griffin 1975-5-24 18 Placer Spring Garden Rd and Auburn-Foresthill Rd intersection, 5 mi W of Foresthill Comment
  UCD112924  Chamaebatia foliolosa R. Bladin 1992-6-7 13 Placer Forest Hill near parket lot. 975 Comment
  UCD112928  Chamaebatia foliolosa Beecher Crampton 1970-11-10 8653 Placer Nyack. 1524 Comment
  UCD112933  Chamaebatia foliolosa G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12051 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCD16120  Chamaebatia foliolosa Collector unknown 1984-5-12 Placer California. Placer County: 10 mi SE of Auburn on Forest Hill Rd. 609 Comment
  UCD40934  Chamaebatia foliolosa Sook Hong 1989-5-20 15 Placer Forest Hill. 2 miles from Mosquito Ridge. 554 Comment
  SEINET6336142  Chamaebatia foliolosa P. L. Comanor, B. Clark, B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 miles from end of railroad bridge on CA 194. Winding road, plot located on the right past parking area, down path approximately 60 meters 1676 Comment
  CHSC10565  Chamaesaracha nana Lowell Ahart 1964-7-3 Placer Ahart camp, French Meadows. 1676 Comment
  SD243214  Chamaesaracha nana George K. Helmkamp, E. A. Helmkamp 2011-8-26 18185 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. Rocky flat at roadside. 2050 Comment
  UC103955  Chamaesaracha nana C. F. Sonne Aug 1897 Placer above Coldstream; Sierra Nevada Mountains 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
  UCD103688  Chamerion angustifolium subsp. circumvagum L. M. Sparks 1912-8-4 64 Placer Glen-Alpine. Lake Tahoe. 2103 Comment
  UC811565  Cheilanthes gracillima Lewis S. Rose 1940-5-29 40413 Placer 3 mi ne Emigrant Gap 1676 Comment
  UCD75755  Cheilanthes gracillima Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5223 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  JEPS89857  Cheilanthes gracillima Dean William Taylor 1971-7-22 1110 Placer on trail to Snow Mt. (ca. 3 mi. n. of Snow Mt.) 2133 Comment
  UCD67368  Chimaphila menziesii Leslie Goldberg 1992-6-6 13 Placer Grove of Big Trees. Shady forest near small creek. 1554 Comment
  UCD15605  Chimaphila umbellata Lisa Montany 1985-5-18 22 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  CAS-BOT-BC451472  Chimaphila umbellata W. W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  UCD57932  Chloris verticillata Beecher Crampton 1967-8-21 8177 Placer Interstate Hwy. 80 E, Cirby Way exit, 1.5 miles southeast Roseville. 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
  CAS-BOT-BC279798  Chondrilla juncea Lillian S. Mott; Phyllis Locker 1965-7-1 6572 Placer East side of a hill overlooking Folsom Lake, at Horseshoe Bar. East of Loomis Comment
  CDA33066  Chondrilla juncea CDFA staff Placer Rocklin. 0 Comment
  CDA7386  Chondrilla juncea T. C. Fuller 1967-5-3 15764 Placer Southeast corner of overpass of Interstate 80. Penryn 0 Comment
  CDA7391  Chondrilla juncea T. C. Fuller 1965-10-15 14210 Placer Bluff above Horseshoe Bar, Folsom Lake, east end of Horseshoe Bar Road. Loomis District. 0 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
  CAS-BOT-BC36354  Chrysolepis sempervirens George B. Grant 1906-8-1 7039 Placer About Lake Tahoe 2438 Comment
  UC1135234  Chrysolepis sempervirens G. T. Nordstrom 1934-6-19 115 Placer 0.5 mi ne Texas Hill; Tahoe National Forest, Colfax Quad. 1554 Comment
  UC1135253  Chrysolepis sempervirens D. Schlobohm 1934-10-2 2 Placer 2 mi s Truckee; Tahoe National Forest, Truckee Quad. 1859 Comment
  UCR231821  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 wih Forest Hill Road 1564 Comment
  UCD21705  Chrysopsis breweri Rex Palmer Date Unknown N 891 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC279836  Cichorium intybus Mrs. H. C. Cantelow 1938-7-2 2266 Placer 8 mi. n. of Auburn Comment
  UCD59792  Cinna latifolia L. S. Smith 1915-8-15 s. n. Placer Deer Creek, Lake Tahoe, Squaw Valley. Comment
  SCFS11529157  Circaea alpina E. Krimmel 2014-7-5 Placer Cobbles in bed of Onion Creek near confluence with NFA Comment
  POM46097  Circaea alpina subsp. pacifica Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UCD107267  Cirsium andersonii Chuck Hughes 2010-7-13 234 Placer Within 50 ft of north side of Alpine Meadows Road. 1903 Comment
  CAS-BOT-BC228886  Cistanthe umbellata A. A. Heller 1917-8-13 12912 Placer Ridge northwest of Donner Pass 2346 Comment
  CAS-BOT-BC228889  Cistanthe umbellata John H. Thomas; Hazelle A. Thomas 1956-7-21 6157 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC162648  Clarkia Peter H. Raven 1953-5-10 5490 Placer Road to Placerville 1.7 miles from Auburn in canyon of American River Comment
  POM260292  Clarkia arcuata C. L. Hitchcock 1940-5-15 6410 Placer 6 miles N of Colfax Comment
  RSA495264  Clarkia biloba subsp. biloba L. D. Gottlieb 1988-6-29 8837 Placer East of Colfax, on Iowa Hill Road, 1.6 miles east of Canyon Road. Comment
  RSA122172  Clarkia biloba subsp. brandegeeae C. R. Clar 1933-5-6 115 Placer Near Newcastle. 183 Comment
  CAS-BOT-BC163365  Clarkia purpurea subsp. purpurea Gordon H. True 1971-7-2 6863 Placer Northern outskirts of Lincoln 48 Comment
  POM250666  Clarkia rhomboidea Lincoln Constance 1938-6-8 2287 Placer 3 miles north of Nevada City, Sierra Nevada foothills 762 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
  UC1949337  Claytonia exigua Barbara Ertter with David Thompson 1989-4-8 8174 Placer Iowa Creek Rd ca 2 mi from I-80 near entrance to Auburn State Recreation Area, at creek crossing; SW-facing slope Comment
  CAS-BOT-BC451728  Claytonia lanceolata Dr. A. Kellogg 1870-6-23 s.n. Placer Cisco Comment
  UCR194965  Claytonia perfoliata subsp. perfoliata George K. Helmkamp, E. A. Helmkamp 2007-5-18 12028 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  CAS-BOT-BC443739  Claytonia rubra subsp. rubra Alice Eastwood 1912-6-15 440 Placer Tahoe City, Lake Tahoe Region Comment
  JEPS126265  Claytonia rubra subsp. rubra Steve Matson 1998-5-24 198 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267. Comment
  UC192272  Claytonia rubra subsp. rubra C. F. Sonne Aug 1883 Placer Head of Donner Lake Comment
  SEINET12087595  Clematis lasiantha Unknown 1937-1 1248 Placer Between Folsom and Auburn, 6.5 mi SE of Loomis 152 Comment
  SEINET3159399  Collinsia G. B. Grant 1906-1 6949 Placer about Lake Tahoe 2438 Comment
  UCR222552  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 308 Comment
  UC885577  Collinsia parviflora Marcus E. Jones, A. M. 1882-6-27 3293 Placer Emigrant Gap Comment
  SEINET5796622 Image available Collinsia tinctoria Marcus E. Jones 1882-1 Placer Colfax; 39.10073 -120.953276 Comment
  OBI49270  Collinsia torreyi Lewis S. Rose 1940-6-2 40456 Placer Truckee River, 10 mi N of Tahoe City 1829 Comment
  SCFS856  Collinsia torreyi E. Krimmel 2013-6-29 Placer North Fork American River. Painted Rock Trail, Top Meadow, as PCT heads down to Painted Rock. Comment
  UC217635  Collinsia torreyi var. wrightii Katharine Brandegee Placer near Cisco Comment
  JEPS127493  Collomia grandiflora Steve Matson 1998-5-27 304 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267. Comment
  UCD96970  Collomia grandiflora Chuck Hughes 2010-7-13 235 Placer Within 50 ft of north side of Alpine Meadows Road. 1903 Comment
  SEINET5501098  Collomia grandiflora Sally Walker 1982-8-4 Placer Tahoe City Comment
  SEINET8729294 Image available Collomia grandiflora Lewis S. Rose 1937-1 37611 Placer Tahoe Vista. 1905 Comment
  RSA409231  Collomia heterophylla Fay A. MacFadden 1934-7-1 12724 Placer Canyon Creek - Dutch Flat. Comment
  UCR193599  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2007-5-30 12180 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  UCD169963  Collomia linearis S. Boshoven 1983-5-28 15 Placer Mosquito Ridge Road. 3.5 (5.5?) miles E of Forest Hill intersection. Comment
  UCD21980  Collomia tinctoria Beth Lowe Corbin 1982-8-12 334 Placer 1/8 mile NE of Onion Creek campground. 1844 Comment
  SEINET6166293  Corallorhiza maculata P. Lehenbauer 1933-8-6 s.n. Placer Near Homewood [West side Lake Tahoe] Comment
  UCD123120  Cordylanthus tenuis P. Rodriguez-Rojo; D. Sanchez-Mata 1997-8-8 Placer Tahoe National Forest. Todd Valley-Forest Hill. Forest Hill Rd. 850 Comment
  OBI9584  Cordylanthus tenuis subsp. tenuis Robert F. Hoover 1967-9-5 10828 Placer Carnelian Bay, Lake Tahoe Comment
  UC1032457  Cordylanthus tenuis subsp. tenuis B. Bolt 1934-7-23 163 Placer nw Damascus (end of travelled road from Westville); Tahoe National Forest, Colfax Quadrangle, N. Fk of American 1463 Comment
  CAS-BOT-BC209870  Cornus nuttallii G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  UC1999784  Cornus nuttallii H. E. M. Dobson 1977-10-23 285 Placer near Forest hill. Comment
  UCR246505  Cornus nuttallii Martin J. Beran 1994-5-27 023 Placer Lang Crossing of Hwy 20, South Fork of Yuba River, 20 m from river along dirt road 1415 Comment
  CDA37454  Cornus sericea subsp. sericea Misty Hailstone 2011-10-3 s.n. Placer Tahoe City. Granlibakken Resort. Comment
  SBBG8909  Cornus sericea subsp. sericea E. R. Blakley 1960-9-4 3825 Placer hill 1 mi N of Carnelian Bay, Lake Tahoe 2072 Comment
  UC1122810  Cornus sericea subsp. sericea N. French 1933-9-14 99 Placer Greek Store Tahoe Nat'l Forest, Colfax Quad., Greek Store Comment
  UCR200867  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2008-9-15 14106 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  JEPS50178  Cornus sessilis Elizabeth Price 1932-4-10 Placer Dutch Flat Comment
  POM303027  Cornus stolonifera L. S. Rose 1944-7-22 44215 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  CHSC40074  Corydalis caseana subsp. caseana C. F. Sonne 1895-7-1 Placer Sierra Nevada Mountains. Ravine on Truckee River. Comment
  UCD110087  Corylus cornuta subsp. californica D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-6 s.n. Placer Michigan Bluff-Forest Hill. Michigan Bluff Road. 1070 Comment
  CDA36989  Crassula connata CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  JEPS86491  Crepis modocensis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6572 Placer ca 5 mi e Donner Lake (e of Tinker Knob); Sherman Chickering's Soda Springs holdings 2621 Comment
  CAS-BOT-BC290734  Crepis occidentalis subsp. conjuncta Alice Eastwood 1912-6-15 460 Placer Tahoe City, Lake Tahoe Region Comment
  POM17651  Crepis pleurocarpa Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  CDA15982  Cryptantha affinis G. F. Hrusa, J. Glazner 1999-7-17 15184 c Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS111209  Cryptantha affinis Steve Matson 2005-7-4 1365 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  UC1178527  Cryptantha affinis Malcolm A. Nobs 1950-9-24 Placer e slope Squaw Peak 1828 Comment
  RSA755334  Cryptantha flaccida George K. Helmkamp, E. Helmkamp 2009-4-22 14561 Placer Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  UCR207860  Cryptantha flaccida George K. Helmkamp, E. A. Helmkamp 2009-4-22 14561 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  SD62073  Cryptantha flaccida Darley F. Howe 1965-5-20 4056 Placer 3.5 miles north of Auburn 455 Comment
  SDSU5399  Cryptantha flaccida D. F. Howe 1965-5-20 4056 Placer 3.5 miles north of Auburn. 457 Comment
  CAS-BOT-BC218774  Cryptantha humilis D. S. Smith 1928-6-27 2419 Placer Tahoe [National] Forest. Above Deer Park on ridge 2286 Comment
  UC24998  Cryptantha humilis C. F. Sonne Jul 1 1886-Jul 10 1887 Placer Rocky Peak, on Truckee River Sierra Nevada Mountains, Truckee River Comment
  JEPS126393  Cryptantha simulans Steve Matson 2003-7-12 851 Placer nSNH; Tahoe Basin; Ward Canyon (west shore), about 2 miles East of Highway 89, near junction of Tahoe Rim Trail and Ward Canyon Road. Comment
  UCD22124  Cryptantha simulans Rex Palmer 1979-6-21 N 381 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC68070  Cryptogramma acrostichoides G. W. Dunn 1895-9-14 s.n. Placer Summit Comment
  POM120485  Cryptogramma acrostichoides Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  SEINET6429202  Cryptogramma acrostichoides P. B. Kennedy 1901-8-21 426 Placer By river Talbot's Home Camp, 7 miles from French Meadows. Comment
  UCR146848  Cuscuta brachycalyx Beecher Crampton 1977-7-2 9512 Placer Sierra Nevada Foothills, 3.5 miles northeast of Auburn, east of Elder's Corner on Dry Creek Road 412 Comment
  UCD22386  Cuscuta californica Beth Lowe Corbin 1982-8-17 358 Placer 2 2/3 miles WSW of The Cedars. NW facing slope, 15% incline. Full sun. Occasional. Rocky outcrop in montane chaparral. Stems pale orange, flowers white, anthers orange. 1938 Comment
  SEINET2442325  Cuscuta californica var. californica George K. Helmkamp, E. A. Helmkamp 2009-8-12 15441 Placer Sierra Nevada Mountains: Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill. 2033 Comment
  UCD126294  Cuscuta howelliana F. T. Griggs 1978-5-19 s.n. Placer 3.2 miles south of Lincoln. Comment
  CHSC97748  Cuscuta pentagona Lowell Ahart 2007-11-13 14592 Placer On Xanthium strumarium, on the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan. 73 Comment
  UCD18252  Cymopterus terebinthinus E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 464 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  CDA15656  Cymopterus terebinthinus var. californicus G. F. Hrusa, J. Glazner 1999-7-18 15191 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  SEINET12568082  Cynoglossum grande B. M. Cunningham 1960-3-19 s.n. Placer Monte Viste Inn. on Hwy 40 detour. 1219 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
  UCD18376  Cyperus bipartitus DeWayne Gilbert 1976-1 s.n. Placer Exact location unknown. Comment
  UCR262440  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2011-12-9 18502 Placer Sacramento Valley, Sunset Blvd. West, 5.8 miles west of its junction with Fiddyment Road 29 Comment
  UCD141135  Cyperus rotundus F. E. Kayo 1932-4-1 s.n. Placer Penryn. Comment
  CAS-BOT-BC70579  Cystopteris fragilis A. A. Heller 1917-8-14 12931 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  CDA12388  Cystopteris fragilis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8516 A Placer Lake Tahoe; in upper Ward Valley, 4 mi SW Tahoe City. Comment
  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
  UCD164628  Cytisus scoparius Brandi Sorensen 1995-6-1 26 Placer .73 kilometers northwest of Colfax. 671 Comment
  CAS-BOT-BC190500  Dactylis glomerata Marcus E. Jones 1882-6-27 3283 Placer Emigrant Gap. Comment
  SACT000872  Dactylis glomerata D. Meyer 1983-8-20 Placer Moist roadside meadow some revegetation following residential construction. 2000.0 Comment
  UCD22245  Danthonia californica Beth Lowe Corbin 1982-8-3 174 Placer Onion Creek Campground. SW facing slope. Sun. Uncommon. Open, dry meadow of mixed conifer forest in fine, sandy, granitic soil. Perennial, forming a loose clump. 1841 Comment
  UCD60965  Danthonia californica var. americana B. Crampton 1955-7-13 2990 Placer U.S. Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  UCR151943  Danthonia californica var. americana Beecher Crampton 1964-7-21 7117 Placer Sierra Nevada Mtns, 0.5 mile WNW of Cisco Grove on US Hwy 40 1707 Comment
  SACT000901  Danthonia unispicata Michael Baad 1983-8-11 Placer On trail to Mildred Ridge. 2133.0 Comment
  POM141628  Darmera peltata C. F. Sonne 1897-05 s.n. Placer Canon near Blue Canon. Comment
  UCR258210  Daucus carota George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20046 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  UC188641  Delphinium C. F. Sonne 1886-6-13 Placer meadows Little Truckee River Comment
  UCR120243  Delphinium depauperatum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5024 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  POM149859  Delphinium glaucum C. F. Sonne 1896-8-16 s.n. Placer Canyon near Truckee Comment
  UCD95774  Delphinium hansenii H. Lewis; C. Epling 1941-5-24 s.n. Placer Auburn. Comment
  UC1031398  Delphinium hansenii subsp. hansenii H. Lewis and C. Epling 1941-5-24 Placer Auburn Comment
  CAS-BOT-BC116089  Delphinium nuttallianum Betty J. jorgensen 1944-7-23 529 Placer Near Soda Springs Comment
  CDA9372  Delphinium nuttallianum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8548 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 m SW of Tahoe City. Comment
  UCD22184  Delphinium nuttallianum Rex Palmer 1979-7-25 N 698 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC121998  Delphinium variegatum Gordon H. True 1971-4-9 6459 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC121997  Delphinium variegatum A. A. Heller 1940-4-20 15540 Placer Along US Highway 99 E, 2 miles south of Sheridan Comment
  POM149389  Dendromecon rigida Katherine Brandegee 1908-06 s.n. Placer Magra Station between Cape Horn and Alta. Comment
  SBBG2319  Dendromecon rigida N. F. Sommer 1954-5-19 98 Placer Hwy 40, 2.1 mi E of Colfax Comment
  UCD43363  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 731 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44710  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2076 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR257625  Deschampsia cespitosa subsp. cespitosa George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19527 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  CAS-BOT-BC198145  Deschampsia danthonioides L. R. Abrams 1935-4-20 13684 Placer Roseville, Sacramento Valley Comment
  UCD63005  Deschampsia danthonioides Beecher Crampton 1957-5-7 3990 Placer 2 miles north of Lincoln. Comment
  SEINET10966581  Deschampsia danthonioides Lewis S. Rose 1946-6-23 Rose 46199 Placer Rainbow, n. of Cisco. 1737 Comment
  CAS-BOT-BC201877  Deschampsia elongata Geo. B. Grant 1906-7-15 s.n. Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC201878  Deschampsia elongata R. F. Hoover 1967-9-7 10851 Placer Antone Meadow Comment
  CHSC74158  Deschampsia elongata Susi Urie 1998-8-11 98 -012 Placer Lake Tahoe Basin-National Forest. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  OBI22306  Deschampsia elongata Robert F. Hoover 1967-9-7 10851 Placer Antone Meadow Comment
  SACT000945  Deschampsia elongata D. Meyer 1983-9-10 Placer Moist streambank and meadow. 1879.0 Comment
  SACT000953  Deschampsia elongata D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT000956  Deschampsia elongata D. Meyer 1983-7-30 Placer Roadside ditch 1853.18 Comment
  SACT000958  Deschampsia elongata D. Meyer 1984-6-10 Placer 436.0 Comment
  UCD22246  Deschampsia elongata Beth Lowe Corbin 1982-8-5 257 Placer Onion Creek Campground. SW facing slope, 15% incline. Common. Mostly sun. Dry meadow, but more towards stream in mixed conifer forest, in fine, sandy soil. Bunchgrass, forming small, dense tufts. 1841 Comment
  SACT000936  Deschampsia elongata Michael Baad 1983-7-15 Placer Southeast quarter of Sec 35 Comment
  JEPS126368  Descurainia californica Steve Matson 2000-7-6 471 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north Highway 267, near East Martis Creek. Comment
  UCR270996  Descurainia incana John F. Emmel 2002-6-23 1757 Placer Sierra Nevada Mountains, northern Lake Tahoe region, Middle Martis Creek 2195 Comment
  SBBG70211  Dicentra formosa M. N. Ackley -Jun-1925 362 Placer Dutch Flat 1033 Comment
  UC147583  Dicentra formosa Harriet A. Walker 1908-6-24 1252 Placer Blue Canyon 1432 Comment
  UCD164615  Dicentra formosa Brandi Sorensen 1995-5-17 9 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD82716  Dicentra formosa Robin McMaster 1973-6-3 432 Placer Lake Spaulding. 1524 Comment
  UCR208609  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14664 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  UCD22675  Dicentra formosa Heather Mueller 1990-5-19 19 Placer Mosquito Ridge Road, about 1/2 mile west of French Meadow Dam. Comment
  CAS-BOT-BC402446  Dicentra formosa subsp. formosa G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CAS-BOT-BC402449  Dicentra formosa subsp. formosa Saichi Kawahara 1969-5-24 864 Placer Mel Henderson Ranch, Strawberry Flat 1002 Comment
  SEINET238196 Image available Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1952-11-9 917 Placer 6 miles east of Auburn about 15 miles south of Meadow Vista. 457 Comment
  RSA333562  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-24 41 Placer Both sides of Dowd Road, 3 miles S of Sheridan. 100 Comment
  SEINET8472323  Dichelostemma capitatum subsp. capitatum C. Fitz 1959-4-6 s.n. Placer Newcastle, near Hwy 40. 396 Comment
  SEINET8472332  Dichelostemma capitatum subsp. capitatum H. E. Hodge 1956-3-28 s.n. Placer Along W side of Hwy 49, 3 miles N of Auburn. 453 Comment
  SEINET8476518  Dichelostemma capitatum subsp. capitatum K. Terrell 1962-1 s.n. Placer North Fork American River. 396 Comment
  UCD139199  Dichelostemma capitatum subsp. capitatum Craig P. Martz; Richard Sannar 1982-3-24 41 Placer both sides of Dowd road, 3 miles south of Sheridan. 30 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
  UC13854  Dichelostemma multiflorum Mrs. M. M. Hardy 1893-1 Placer Comment
  POM109853  Dichelostemma volubile Marcus E. Jones s.n. Placer Auburn Comment
  UC635220  Dichelostemma volubile H. L. Mason 1926-5-28 3276 Placer 5 mi above Auburn Comment
  SEINET188380 Image available Diplacus angustatus C. L. Hitchcock 1940-1 6397 Placer Meier Ranch, ca 6 mi N of Colfax 762 Comment
  CAS-BOT-BC153231  Diplacus kelloggii Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4004 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  CHSC82574  Diplacus torreyi Lowell Ahart 2002-7-22 9904 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
  CAS-BOT-BC151672  Diplacus torreyi Miss. M. E. B. Norton 1911-7-1 s.n. Placer Deer Park Springs - Sierra Nevada 1981 Comment
  CAS-BOT-BC151678  Diplacus torreyi F. A. Mac Fadden 1934-7-1 12558 Placer Canyon Creek, Monte Vista Inn Comment
  SEINET14196716  Diplacus tricolor A. Beninghoff, C. Peterson 2863 Placer 5 miles S of Lincoln. Comment
  CAS-BOT-BC136197  Dodecatheon alpinum Alice Eastwood 1909-1-1 111 Placer Wards Pass - Lake Tahoe Region Comment
  SEINET8552906  Dodecatheon alpinum A. Urrutia 1960-3-19 s.n. Placer North Fork American River, Hwy 49, 3 miles S of Auburn. 457 Comment
  UCD22159  Dodecatheon alpinum subsp. majus Rex Palmer 1979-7-11 N 534 Placer Headwaters basin area of the North Fork of the American River. 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
  SEINET8561719  Dodecatheon hansenii M. J. Demorest 1962-3-15 s.n. Placer Junction of the N and Middle Forks of the American River, 4 miles from Auburn, above dirt road on hillside. 274 Comment
  UCD15695  Dodecatheon hendersonii Sook Hong 1989-5-20 3 Placer Just outside of Placer County (?). 670 Comment
  SEINET8561859  Dodecatheon hendersonii M. J. Williams 1969-4-2 s.n. Placer Near Placerville, above Greenstone Lane. Comment
  UC914245  Dodecatheon hendersonii Verne Grant, Alva Grant 1946-3-10 7683 Placer on Lincoln Road e Loomis (gentle n slope); e of Loomis Comment
  UC28962  Downingia montana Mrs. M. M. Hardy 1893-1 Placer Comment
  RSA752669  Downingia ornatissima var. ornatissima George K. Helmkamp, E. A. Helmkamp 2008-4-17 13282 Placer Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  JEPS53521  Draba novolympica C. F. Sonne 1897-7-18 Placer Tinkers Knob 2743 Comment
  UC117690  Draba novolympica C. F. Sonne July 1892 Placer Tinker's Knob Sierra Nevada, Tinker's Knob 2743 Comment
  JEPS72293  Draba paysonii var. treleasei Gladys L. Smith, B. Wilson 1972-9-17 3604 Placer ridge nw Ward Peak; ridge nw of Ward Peak 2621 Comment
  POM143601  Draba paysonii var. treleasei C. F. Sonne 1897-07 s.n. Placer Tinker Knob 2744 Comment
  UCR206725  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2009-7-16 15192 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCR209741  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2009-8-12 15426 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  SCFS5104  Draperia systyla F. Felix, Erica Krimmel 2013-5-19 21 Placer North Fork American River, 0.5 mile east Heath Falls overlook, on trail Comment
  UCD15608  Drymocallis glandulosa Lisa Montany 1985-5-18 26 Placer Mosquito Ridge Rd, 17.3 miles west of Forest Hill Rd. 1219 Comment
  CAS-BOT-BC159717  Drymocallis glandulosa Margaret J. Williams 1985-7-6 85- 61 -1 Placer Near old Donner Summit, S of Lake Mary - Sierra Nevada 2286 Comment
  UC420565  Drymocallis glandulosa var. glandulosa Miss Helen D. Geis 1912-6 31 Placer Deer Park Comment
  UC567172  Drymocallis glandulosa var. glandulosa N. French 1934-5-31 390 Placer one mi se Texas Hill; Colfax Quadrangle Comment
  UC859905  Drymocallis glandulosa var. reflexa A. A. Heller 1917-6-16 12681 Placer near Dutch Flat; near Dutch Flat 914 Comment
  UC481575  Drymocallis lactea var. austiniae G. W. Fetters 1929-6-14 Placer in sand near lakeshore (Pomin's); Lake Tahoe, Pomin's Comment
  CAS-BOT-BC157896  Drymocallis lactea var. lactea Alice Eastwood 1912-6-15 456 Placer Tahoe City, Lake Tahoe Region Comment
  SEINET5733104 Image available Dudleya cymosa John J. Geibel 1965-1 34 Placer Middle Fork of American River, ca. 13 miles east of Forest Hill.; Foresthill 488 Comment
  UCD19111  Dysphania pumilio A. M. Shapiro 1987-10-16 s.n. Placer Southern Pacific Right-of-way. 2103 Comment
  CAS-BOT-BC532606  Eleocharis G. Ledyard Stebbins 1978-5-28 78102 Placer El Dorado National Forest, Ralston Ridge [exact location unknown] Comment
  UCD43347  Eleocharis bella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 715 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC113378  Eleocharis engelmannii A. A. Heller 1917-8-12 12874 Placer Southern Pacific reservoir W of Emigrant Gap. Comment
  UCD49730  Eleocharis obtusa Ray Griffiths 1993-5-20 s.n. Placer California, Placer Co., sw of Lincoln approx. 2 mi. Vernal pool wet swale. Comment
  JEPS14035  Eleocharis pachycarpa Rimo Bacigalupi, Alex Hawkes et al. 1952-7-19 3850 Placer 1/2 mi above bridge on the Colfax - Iowa Hill road, directly below Cape Horn station of S.P.RR North Fork American River 381 Comment
  UC1100711  Eleocharis pachycarpa Malcolm A. Nobs 1948-9-25 689 Placer about 9 mi N of Auburn (Rock Creek, Highway 49) Comment
  UCR257596  Elymus caput-medusae George K. Helmkamp, Amy Barnes 2014-3-21 22645 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  SACT001073  Elymus elymoides subsp. californicus James Grove 1977-7-15 Placer 2000.0 Comment
  UC1132959  Elymus elymoides subsp. elymoides B. Bolt 1934-7-12 107 Placer Snow Mt. Tahoe National Forest, Truckee Quadrangle Comment
  CDA36869  Elymus glaucus CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  SACT001076  Elymus glaucus D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  SACT001078  Elymus glaucus D. Meyer 1984-6-7 Placer 667.0 Comment
  SACT001084  Elymus glaucus D. Meyer 1983-8-7 Placer Along east bank of Truckee River 1879.0 Comment
  SACT001095  Elymus glaucus D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  SACT001102  Elymus glaucus Michael Baad 1976-6-17 Placer Royal Gorge-Wobena Creek to Wildcat Canyon. Collected in flood plain. Comment
  SBBG56926  Elymus glaucus M. N. Ackley -Jun-1925 33 Placer Penryn 191 Comment
  UC1131678  Elymus glaucus N. French 1933-6-5 71 Placer e Rocklin; Sacramento Quadrangle, N. Fork of American River Comment
  UCD61845  Elymus glaucus K. Connelly 1999-8-2 PDR- 122370 8 Placer Truckee. Along side of Rd. 9, off of Hwy. 89. Comment
  UCD62277  Elymus glaucus B. Bolt. 1934-7-3 74 Placer Top of Sawtooth Ridge, Colfax. 1219 Comment
  UCR240900  Elymus glaucus subsp. glaucus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19213 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  SACT001087  Elymus glaucus subsp. jepsonii D. Meyer 1983-7-24 Placer North of Interstate 80, roadside. 909.0 Comment
  SACT001143  Elymus glaucus subsp. jepsonii D. Meyer 1984-8-4 Placer 9.6 km north of Hell Hole overlooking French Meadows. 1879.0 Comment
  UC1133039  Elymus multisetus G. T. Nordstrom 1934-6-21 131 Placer 4/10 mi wnw Mammoth Springs; Tahoe National Forest, Colfax Quadrangle 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
  UCD62601  Elymus stebbinsii subsp. septentrionalis G. L. Stebbins Jr. 1952-6-22 5102 Placer Along southeast bank of American River, 1 1/2 miles northeast of bridge on Colfax-Iowa Hill Road. 365 Comment
  UCD62603  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1955-6-15 2895 Placer Shirttail Canyon, 6.5 miles west of Iowa Hill. Comment
  UCD62736  Elymus trachycaulus subsp. subsecundus R. Tofsrud 1947-7-12 42 Placer Placer County. 1524 Comment
  CHSC67860  Elymus trachycaulus subsp. trachycaulus James D. Jokerst 1986-7-13 2709 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  CHSC73268  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1998-8-6 5964 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC79883  Elytrigia intermedia subsp. intermedia G. F. Hrusa; J. Glazner 1999-7-18 15219 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1889 Comment
  UCR190657  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2007-5-23 12079 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  JEPS14028  Epilobium canum subsp. latifolium Rimo Bacigalupi,with G. L. Stebbins, D. Zohary, J. Hunziker, F. Ehrendorfer, A. Hawkes, & H. Stutz 1952-7-19 3859 Placer rock outcropping just above torrent of main stream (below Cape Horn sta. on S.P.R.R., 1/2 mi above bridge on Colfax-Iowa Hill rd); North Fork of American River 381 Comment
  RSA121167  Epilobium canum subsp. latifolium B. Bolt 1934-8-13 169 Placer East slope of Red Star ridge 1860 Comment
  UC69563  Epilobium canum subsp. latifolium Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD75764  Epilobium ciliatum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5236 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  UCD83639  Epilobium ciliatum Albert Grigarick 2009-9-10 192 Placer Squaw Creek Resort, approx. in middle of Emigrant Lift. 2526 Comment
  UCD105784  Epilobium ciliatum subsp. ciliatum G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12956 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD38902  Epilobium ciliatum subsp. ciliatum Beecher Crampton 1959-7-23 5425 Placer 6 miles north of Folsom. Along Folsom-Auburn Blvd. 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
  JEPS102473  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2001-10-10 9355 Placer French Meadows Reservoir, about 1/4 mile NE of boat or trail access area on NW side of reservoir, about 3/4 mile SW of bridge across Middle Fork of American R, about 1 3/4 mi SW of Ahart Camp, about 22 mi (air) NE of Forest Hill. Along river. 1591 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
  CHSC74109  Epilobium hallianum Susi Urie 1998-8-28 98 -129 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  JEPS59476  Epilobium hallianum Ezra Brainerd and Viola B. Baird 1915-7-12 218 Placer Donner Lake Sierra Nevada Mts. 1828 Comment
  UCD42811  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 177 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC20082  Epilobium obcordatum W. H. Brewer 1863-8-27 2163 Placer near Knoxville; Truckee River, Camp 142 2682 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
  CAS-BOT-BC57977  Equisetum W. R. Dudley 1900-6-29 s.n. Placer Near Fish Hatchery Tahoe City. 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
  UCD22072  Equisetum arvense Beth Lowe Corbin 1982-8-25 418 Placer Onion Creek Campground. South facing slope, 15 % incline. Abundant. Full sun. In wet, fine sandy soil along stream edge in mixed conifer forest. Perennial herb. 1841 Comment
  CAS-BOT-BC57827  Equisetum hyemale subsp. affine E. R. Blakley 1960-9-3 3821 Placer King's Beach, Lake Tahoe. 1905 Comment
  UCD169281  Eragrostis Lowell Ahart 2007-11-13 14599 Placer At the north edge of the town of Sheridan. On the west side of Camp Far West Road, east side of a shallow ditch. 35 Comment
  UCD36476  Eragrostis pilosa Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit. Comment
  CAS-BOT-BC174096  Eremogone aculeata Betty J. Jorgensen 1944-7-2 511 Placer Along summit near Donner Pass Comment
  CAS-BOT-BC174293  Eremogone congesta var. suffrutescens G. L. Stebbins 1970-7-19 7069 Placer Along ridge southwest of Duncan Peak Lookout 2011 Comment
  CAS-BOT-BC286639  Ericameria bloomeri G. W. Dunn 1895-9-3 s.n. Placer Summit Comment
  JEPS71601  Ericameria bloomeri Gladys L. Smith 1972-8-25 3421 Placer Granite Chief Comment
  UC669305  Ericameria bloomeri Annie M. Alexander and Louise Kellogg 1941-10-3 2643 Placer Truckee River 1828 Comment
  UC55137  Ericameria discoidea Miss Lydia K. Tangier-Smith 1901-1-1 Placer Tahoe, at the Grove Tahoe Comment
  CAS-BOT-BC293370  Erigeron Saichi Kawahara 1969-5-24 827 Placer On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  JEPS59445  Erigeron barbellulatus Ezra Brainerd and Viola B. Baird 1915-7-19 171 Placer above Deer Park; Summith of the Craggs 2499 Comment
  CAS-BOT-BC294521  Erigeron breweri var. breweri M. E. Parsons 1910-8-1 s.n. Placer Sunnyside, Lake Tahoe Comment
  CAS-BOT-BC294522  Erigeron breweri var. breweri Alice Eastwood 1909-1-1 100 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC296765  Erigeron coulteri A. A. Heller 1927-8-16 14454 Placer Donner Pass 2133 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
  UCR208612  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14616 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  JEPS59479  Erigeron glacialis var. glacialis Ezra Brainerd and Viola B. Baird 1915-7-25 221 Placer above Deer Park Inn (Garden of the Gods); Sierra Nevada Mts. 2133 Comment
  UC1118188  Erigeron glacialis var. glacialis B. Bolt 1934-7-16 115 Placer 0.5 mi s of Lost Emigrant Mine; Tahoe National Forest, Truckee Quadrangle 2072 Comment
  UC148936  Erigeron glacialis var. glacialis H. M. Hall 1910-7-11 8754 Placer near Cisco; Sierra Nevada Mountains 1859 Comment
  UC195955  Erigeron glacialis var. glacialis C. F. Sonne 1885-7-12 Placer mts. above Kneeland's Mill 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
  UC148922  Erigeron inornatus var. inornatus H. M. Hall 1910-6-10 8750 Placer Cisco 1828 Comment
  JEPS16941  Erigeron inornatus var. inornatus Peter H. Raven 1956-8-4 10003 Placer dirt road n of Emigrant Gap 1493 Comment
  UC669306  Erigeron miser Annie M. Alexander and Louise Kellogg 1941-10-5 2647 Placer e slope Donner Pass 1981 Comment
  UCD161588  Eriodictyon lobbii Jack Major 1969-11-28 s.n. Placer West of Chambers Lodge at Lake Tahoe. (Exact location unknown. Coordinates estimated by label maker.) 1920 Comment
  UCD22134  Eriogonum Rex Palmer 1979-6-21 N 406 Placer Headwaters basin area of the North Fork of the American River 2331 Comment
  UCD83637  Eriogonum incanum Albert Grigarick 2009-9-10 190 Placer Squaw Valley Resort, ridge near top of Links chairlift. 2499 Comment
  UC615468  Eriogonum luteolum var. pedunculatum Beryl O. Schreiber 1932-9-11 760 Placer near Colfax Comment
  CAS-BOT-BC263699  Eriogonum luteolum var. pedunculatum F. A. Mac Fadden 1934-7-2 s.n. Placer American River, near Rawhide Mine Comment
  JEPS59480  Eriogonum marifolium Ezra Brainerd and Viola B. Baird 1915-7-15 223 Placer along trail to Fire Lakes; Sierra Nevada Mts. 2133 Comment
  RSA795075  Eriogonum marifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18189 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  SD243181  Eriogonum marifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18189 Placer Northern Sierrra Nevada Mountains: along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  CAS-BOT-BC263287  Eriogonum marifolium var. marifolium John Thomas Howell 1943-7-21 18649 Placer Donner Pass to Mt. Lincoln Comment
  CAS-BOT-BC263288  Eriogonum marifolium var. marifolium Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco Comment
  UCD21613  Eriogonum nudum E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1281 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. Open W-facing granite slope at tree-line, ascending ridge. 2300 Comment
  CAS-BOT-BC264805  Eriogonum nudum var. deductum unspecified No date on label. 12884 Placer Summit Station 2121 Comment
  JEPS56632  Eriogonum nudum var. deductum W. L. Jepson 1918-7-30 7729 Placer near Tahoe City; Lake Tahoe 1920 Comment
  POM165343  Eriogonum nudum var. deductum Allen M. Carpenter 1892-08 s.n. Placer [No location data on label] Comment
  UC849631  Eriogonum nudum var. deductum Marcus E. Jones, A. M. 1882-6-29 3469 Placer Emigrant Gap Comment
  UC1035671  Eriogonum nudum var. deductum Kay H. Beach 1940-6-30 795 Placer 2 1/2 mi w Cisco (s side of Yuba River); Yuba River 1981 Comment
  UCD162545  Eriogonum nudum var. nudum Steve Matson 2006-7-7 1641 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; along road North Ave. dirt extension. 1908 Comment
  UCR171354  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9993 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
  UCR231846  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2010-8-11 16757 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  UCR240947  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19899 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 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
  SDSU6798  Eriogonum nudum var. pubiflorum D. F. Howe 1959-8-1 2769 Placer 4 miles north of Auburn. 457 Comment
  CAS-BOT-BC271967  Eriogonum nudum var. pubiflorum H. L. Mason 1929-10-4 5450 Placer Three miles south of Roseville on Folsom Road Comment
  CAS-BOT-BC271968  Eriogonum nudum var. pubiflorum John Thomas Howell 1929-10-4 4431 Placer 2.4 miles below Weimer on road to Colfax Comment
  CAS-BOT-BC266844  Eriogonum ovalifolium var. nivale C. F. Sonne 1885-8-23 405 Placer Tinker Knob 2743 Comment
  CAS-BOT-BC269940  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  JEPS126334  Eriogonum spergulinum var. reddingianum Steve Matson 2000-6-24 451 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. Comment
  CAS-BOT-BC271882  Eriogonum spergulinum var. spergulinum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  UCD147106  Eriogonum umbellatum Chuck Hughes 2013-6-6 391 Placer Near margin of Camp Far West Reservoir, near where the Bear River enters the Reservoir. 93 Comment
  CDA15922  Eriogonum umbellatum var. nevadense G. F. Hrusa, J. Glazner 1999-7-17 15183 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC6504  Eriogonum umbellatum var. nevadense C. J. Fox Jr. July 1895 Placer near Deer Park Inn Comment
  UCD101506  Eriogonum umbellatum var. torreyanum Tamara Kan 1992-8-1 s.n. Placer on Mt. Disney, just inside boundary of Onion Creek Experimental Forest, at top of south-east facing drainage. 2377 Comment
  RSA789732  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  CAS-BOT-BC262325  Eriogonum vimineum D. L. Smith; G. L. Stebbins 1976-7-4 C 7687 Placer Southeast side of Ralston Ridge, sec 33 T14N R13E 1554 Comment
  CDA22693  Eriogonum wrightii subsp. trachygonum T. C. Fuller 1962-9-2 9626 Placer Hampshire Rocks, Highway 40 (old road before freeway construction), 0.9 mile east of Big Bend Ranger Station. 0 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
  UC1029588  Eriogonum wrightii var. subscaposum Lewis S. Rose 1938-9-14 38260 Placer South Fork of Yuba River, Cisco 1615 Comment
  UC669302  Eriogonum wrightii var. subscaposum Annie M. Alexander and Louise Kellogg 1941-10-5 2646 Placer e slope, Donner Pass Donner Pass 1981 Comment
  UCR201908  Eriogonum wrightii var. subscaposum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14023 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  UCR250164  Eriophyllum lanatum var. achilleoides George K. Helmkamp, Mary Alice Barnes 2013-5-3 20479 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
  UCD21717  Eriophyllum lanatum var. croceum Beth Lowe Corbin 1982-8-11 322 Placer 1 3/4 miles SW of Onion Creek campground. In rocky outcrop in montane chaparral. Ray and disc flowers yellow. Full sun. SE facing slope, 45% incline. Occasional. 1935 Comment
  UCR215986  Eriophyllum lanatum var. croceum George K. Helmkamp, Amy Barnes 2009-7-12 15185 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  POM66817  Eriophyllum lanatum var. grandiflorum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UC566755  Eriophyllum lanatum var. grandiflorum H. L. Mason 1926-5-28 3275 Placer 5 mi above Auburn Comment
  UCD82718  Eriophyllum lanatum var. grandiflorum Robin McMaster 1973-6-3 442 Placer Lake Spaulding. 1524 Comment
  UCR173277  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10441 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  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
  JEPS34497  Eriophyllum lanatum var. integrifolium L. S. Smith 1928-7-7 2470 Placer road to Robertson Flat above Forest H; Tahoe National Forest 1219 Comment
  UC148941  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-6-10 8753 a Placer Cisco Butte; near type-locality of Bahia cuneata 1950 Comment
  SEINET3411994 Image available Erodium botrys George K. Helmkamp, E. A. Helmkamp 2012-3-31 18649 Placer Sacramento Valley: along CA-193, 0.1 mile W of its junction with Sierra College Blvd. 88 Comment
  UCD103013  Erodium botrys R. A. Blanchard 1931-5-9 2192 Placer Roseville. Comment
  CDA36888  Erodium cicutarium CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SEINET9112080  Eryngium vaseyi var. castrense Unknown 1951-5-28 2824 Placer 2 miles north of Lincoln, Sacramento Valley 61 Comment
  UCD22367  Erysimum capitatum Beth Lowe Corbin 1982-8-2 161 Placer Onion Creek Campground. S facing slope. Relatively common. Partial sun. In conifer duff over sandy, granitic soil in mixed conifer forest. Biennial herb, with bright yellow flowers and purplish stems. 1841 Comment
  JEPS126363  Erysimum capitatum var. capitatum Steve Matson 1998-6-23 283 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west from Tiger Ave. Comment
  UCR206782  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15214 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
  UCR208278  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14640 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  RSA121677  Erysimum capitatum var. perenne N. H. French 1934-6-22 445 Placer 7/8 mile W. of Dulzura Lake. 2287 Comment
  CHSC74128  Erythranthe corallina Susie Urie 1998-8-13 98 -041 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  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
  SEINET6793894 Image available Erythranthe lewisii Sally Walker 1982-1 Placer Ski area above Tahoe, Truckee Rd Comment
  CAS-BOT-BC150223  Erythranthe moniliformis Saichi Kawahara 1969-5-24 1001 Placer Mel Henderson Ranch, on the east bank of Indian Creek 987 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
  SEINET3991621  Erythronium californicum Unknown 1940-5-7 6310 Placer 1 mile west of Baxter. Comment
  UC50565  Eschscholzia lobbii Mrs. Ames 1880-1 Placer Auburn Comment
  UC186882  Eschscholzia lobbii C. F. Sonne 1891-4-5 Placer Newcastle-Penryn Comment
  CAS-BOT-BC310369  Eucephalus breweri A. A. Heller 1916-8-13 12908 Placer Summit hotel 2133 Comment
  UCD18255  Eucephalus breweri E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 467 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  UCD21706  Eucephalus breweri Rex Palmer Date Unknown N 891 Placer Placer County Comment
  UCR200857  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2008-9-15 14101 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  UCD34190  Euphorbia ocellata subsp. ocellata Beecher Crampton 1977-10-2 9540 Placer 3.5 miles N. of Auburn, east of Elder's Corners on Dry Creek Road. Comment
  JEPS111294  Eurybia integrifolia Steve Matson 2005-7-10 1384 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and north of Martis Creek, 400 meters NW of parking area; 39.3037 N, 120.1361 W: elevation 5,840 ft. 1780 Comment
  UCD43059  Eurybia integrifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 427 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC413873  Fallopia convolvulus John Thomas Howell; Gordon H. True 1968-6-9 44503 Placer Near Auburn 457 Comment
  JEPS111253  Festuca Steve Matson 2005-6-12 1266 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; close to fenceline; 39.2944 N, 120.1240 W; Elevation 5880 ft. 1792 Comment
  UC1132593  Festuca B. Bolt 1934-7-12 Placer Snow Mountain Truckee Quad. 2438 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
  UCR238574  Festuca bromoides George K. Helmkamp, E. A. Helmkamp 2012-3-31 18647 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  CDA15671  Festuca idahoensis G. F. Hrusa, J. Glazner 1999-7-18 15218 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD43902  Festuca idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1268 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD66120  Festuca occidentalis Beecher Crampton 1955-7-13 2994 Placer US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  SACT001174  Festuca pacifica Josephine Van Ess 1976-4-14 Placer Sunny slope. 91.5 Comment
  SBBG59373  Festuca perennis M. N. Ackley -Jun-1925 17 Placer Penryn 191 Comment
  SACT001200  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. 609.0 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
  SACT001209  Festuca viridula Michael Baad 1983-8-27 Placer One mile west toward Cherry point. 2133.0 Comment
  UCR194963  Filago gallica George K. Helmkamp, E. A. Helmkamp 2007-5-18 12026 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  SBBG27370  Fragaria vesca C. L. Htchcock 1940-5-7 6318 Placer ca. 1 mi W of Baxter Comment
  UCSB24095  Fragaria vesca Orr, K. 1966-4-5 Placer 2 miles south of interstate 80 on Applegate Rd. 853 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-BC53543  Frangula californica subsp. tomentella Doris K. Kildale 1928-8-23 6644 Placer near Colfax Comment
  CAS-BOT-BC53548  Frangula californica subsp. tomentella David D. Keck 1933-5-31 2430 Placer Just south of Auburn on road to Roseville 304 Comment
  CAS-BOT-BC53551  Frangula californica subsp. tomentella A. A. Heller 1917-6-16 12680 Placer near Dutch Flat 914 Comment
  CAS-BOT-BC55705  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
  CAS-BOT-BC55781  Frangula rubra subsp. rubra Alice Eastwood 1909-1-1 226 Placer Deer Park Comment
  UCD23225  Fritillaria atropurpurea Rex Palmer 1979-6-9 N 132 Placer Headwaters basin area of the North Fork of the American River. Mt. Lincoln. Comment
  SEINET8478947  Fritillaria phaeanthera Killinger 1962-3-17 s.n. Placer 3 miles E of Auburn, North Fork American River. Comment
  UCD44474  Galium C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1840 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  POM67221  Galium aparine Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  RSA0053710  Galium bolanderi G. K. Helmkamp, E. A. Helmkamp 2012-9-8 19808 Placer Northern Sierra Nevada Mountains along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  RSA757078  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15200 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  SD235015  Galium bolanderi G. 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. 1310 Comment
  SD241947  Galium bolanderi George K Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19808 Placer Northern Sierra Nevada Mountains: along Forst Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mile ESE of Whisky Hill (Duncan Peak 7.5'Q) 1677 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
  UCR206857  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15200 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCR231007  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2010-8-14 16799 Placer Northern Sierra Nevada Mountains, American Hill Road, 1.2 miles south of its junction with Foresthill Road 1567 Comment
  POM67470  Galium bolanderi Marcus E. Jones 1900-7-26 s.n. Placer Between [Barker?] and Emigrant gap. 1463 Comment
  UC1143087  Galium grayanum B. Bolt 1934-7-17 137 Placer 1/2 mi sw Walker Mine (Plot No. 216); Tahoe National Forest, Truckee Quadrangle Comment
  UC427890  Galium grayanum var. grayanum L. S. Smith 1926-6-24 1982 Placer s side Section 10 Tahoe National Forest, Whiskey Creek drainage 2377 Comment
  UCD42848  Galium trifidum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 214 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CDA25019  Galium trifidum var. pacificum J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC74258  Galium trifidum var. pacificum Susi Urie 1998-9-4 98 -260 Placer About 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  UCD41457  Gamochaeta coarctata Ellen Dean; Davis Botanical Society 2003-5-17 1758 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main Street. 1066 Comment
  CAS-BOT-BC178547  Garrya flavescens C. Hart Merriam 1911-11-5 s.n. Placer Gorge Station C.P.R.R., west slope Sierra Nevada 1219 Comment
  SACT001228  Gastridium ventricosum Josephine Van Ess 1979-5-15 Placer Collected on horse trail north from Twin Rocks Road at beginning of chamise area. Edge of chaparral. 152.4 Comment
  SACT001233  Gastridium ventricosum D. Meyer 1984-6-10 Placer 436.0 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
  UCR179199  Gayophytum diffusum Rex Palmer 1979-7-25 N- 681 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  RSA714091  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9988 Placer Northern Sierra Nevada Mts.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca. 2.2 miles west of CA Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCD103624  Gayophytum diffusum subsp. parviflorum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11215 Placer Northern Sierra Nevada Mtns; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  UCD103632  Gayophytum diffusum subsp. parviflorum D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. 1500 Comment
  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
  UC422801  Gayophytum heterozygum Martha Brier June 1894 Placer near Fowler; Bear Valley Comment
  OBI12031  Gayophytum humile Robert F. Hoover 1967-9-5 10842 Placer Carnelian Bay, Lake Tahoe Comment
  UCD119668  Genista monspessulana Annabelle Kleist 2009-4-23 Asb- 36 Placer Auburn State Recreation Area, Confluence. Comment
  CAS-BOT-BC217385  Gentiana affinis var. ovata Brandegee No date on label. s.n. Placer Colfax Comment
  SD3703  Gentiana calycosa C. F. Sonne Sept. 1892 Placer Sierre Nevada Mts. [Above] Donner Lakes Comment
  SJSU6217  Gentiana calycosa R. L. Fisher 1957-8-7 Placer Donner Summit Pass; boundary between Placer & Nevada county 2164 Comment
  RSA392205  Gentiana newberryi Robert Kessler 1924-08 s.n. Placer Lake Tahoe. [County: Placer or El Dorado] Comment
  SEINET4691436  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-1 17142 Placer Sacramento Valley: east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road. 98 Comment
  UCR208548  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14676 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  UCR231893  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17142 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
  RSA782386  Geranium molle George K. Helmkamp, E. A. Helmkamp 2010-4-23 15905 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill. 287 Comment
  UCD15039  Gilia capitata Toni Grant 1977-5-28 26 Placer California, Placer Co.; 4.6 miles southeast of Auburn-Foresthill Rd. along Mosquito Ridge Road, intersection is 20 miles northeast of the Auburn-Foresthill Bridge; Comment
  UCR193400  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2007-5-30 12199 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  UCR249601  Gilia capitata subsp. mediomontana George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20828 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  RSA0107826  Gilia capitata subsp. pedemontana George K. Helmkamp, Amy Barnes 2014-4-23 22787 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River. 290 Comment
  SDSU3072  Gilia capitata subsp. pedemontana D. F. Howe 1948-5-23 1849 Placer American River. 305 Comment
  UC193884  Gilia capitata subsp. pedemontana C. F. Sonne 1891-5-17 Placer Colfax Comment
  SEINET3163581  Gilia filicaulis M. E. Jones 1882-7-3 sn Placer Colfax Comment
  SEINET7963106 Image available Gilia gilioides var. greeneana L. S. Rose 1941-1 41291 Placer Chambers Lodge (McKinney), Lake Tahoe 2100 Comment
  UCR146919  Gilia leptalea Beecher Crampton 1961-9-27 6003 Placer Sierra Nevada Mountains, 1 mile west of Cisco Grove [near county line], along U.S. Highway 40, Yuba River 1707 Comment
  UCR242367  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2010-7-28 16667 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 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
  CAS-BOT-BC282691  Glyceria elata Saichi Kawahara 1969-7-6 1005 Placer West bank of Indian Creek, Mel Henderson Ranch 987 Comment
  CAS-BOT-BC282692  Glyceria elata Margaret Williams 1974-8-8 74 -p1-39 Placer Murphy's Meadow, 5 miles southeast of Hirschdale, Sierra Nevada 2316 Comment
  SACT001253  Glyceria elata Michael Baad 1983-7-23 Placer More than .25 mile on road west of US Highway 89 1828.8 Comment
  SACT001258  Glyceria elata D. Meyer 1984-9-23 Placer Moist north-facing hillside seeping with water. 2109.0 Comment
  RSA188449  Gnaphalium californicum L. S. Rose 1967-6-14 67137 Placer Penryn. 183 Comment
  CAS-BOT-BC307373  Gnaphalium palustre John Thomas Howell 1943-7-19 18583 Placer Summit Valley Comment
  CHSC74206  Gnaphalium palustre Susie Urie; Eric Schroder 1998-9-8 98 -297 Placer Lake Tahoe Basin--National Forest. Meadow complex on the north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CHSC68032  Gratiola heterosepala James D. Jokerst 1986-4-14 2619 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  JEPS41921  Grindelia hirsutula L. S. Smith 1926-5-30 1875 Placer w slope Colfax Road; Tahoe National Forest 762 Comment
  SEINET7725991  Habenaria sparsiflora Unknown 1888-1 Placer Comment
  SEINET3826192 Image available Hackelia jessicae Sally Walker 1982-8-5 s.n. Placer Ski area on Jahre-Truckee Road Comment
  RSA235915  Hackelia nervosa J. L. Gentry Jr., Earl Jensen Jr. 1968-7-11 2130 Placer Alpine Meadows, 3.3 miles northwest of Hwy. jct. Calif. 89 & 28 at Tahoe City on Calif. 89, 3.2 miles west of Calif. 89. 2073 Comment
  SEINET12618627  Hackelia nervosa A. A. Heller 1912-1 10591 Placer Summit. 2073 Comment
  SEINET12621251  Hackelia velutina P. A. Lehenbauer 1932-6-26 2725 Placer Lake Tahoe, near Tahoe City. Comment
  SEINET6646518  Hedera helix H. N. Mozingo 1977-3-19 77 -5 Placer Above Middle Fork, on road to Cool, near top of canyon 457 Comment
  UC88866  Helianthella californica subsp. nevadensis unknown 1888-9-1 Placer Blue Canyon Comment
  CAS-BOT-BC314702  Helianthella californica var. californica C. L. Hitchcock 1940-5-14 6392 Placer Meier Ranch ca. 6 miles north of Colfax 762 Comment
  SD112703  Helianthella californica var. nevadensis Darley F. Howe 1948-5-23 1852 Placer American River 305 Comment
  CAS-BOT-BC314783  Helianthella californica var. nevadensis Peter Rubtzoff 1976-9-19 8871 Placer Lake Van Norden, Sierra Nevada 2063 Comment
  CAS-BOT-BC305509  Helianthus bolanderi Rimo Bacigalupi; G. L. Stebbins; Daniel Zohary; Howard Stutz; Alex D. Hawkes; Juan Hunziker; Fritz Ehrendorfer 1952-7-20 3883 Placer Seven miles east of Iowa Hill 1158 Comment
  CAS-BOT-BC314974  Hemizonella minima H. M. Hall 1910-7-11 8760 Placer Cisco Butte, Sierra Nevada Mountains 1981 Comment
  CAS-BOT-BC314977  Hemizonella minima Alice Eastwood 1912-6-15 380 Placer Deer Park, Lake Tahoe Region Comment
  SEINET3147513  Hemizonella minima L. S. Rose 1940-5-29 40411 Placer 3 mi NE of Emigrant Gap 1676 Comment
  RSA718505  Hemizonia fitchii L. P. Janeway 2006-8-24 8874 Placer Sacramento Valley. Along Hwy 193 about 3.5 km N of Lincoln. 41 Comment
  SEINET7067119  Hemizonia pallida A. G. Vestal 1947-4-29 s.n. Placer About 3.3 miles north of Auburn on Route 49. Coordinate datum: NAD27. UTM Zone 10, 644870mE, 4312473mN. Comment
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Nov 29 2020
  UCD42821  Heracleum maximum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 187 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC88279  Hesperevax acaulis var. robustior B. 1884-4-1 Placer Roseville Comment
  JEPS71648  Hesperochiron pumilus Gladys L. Smith 1972-6-18 3158 Placer Alpine Meadows 2072 Comment
  JEPS14032  Hesperolinon micranthum Rimo Bacigalupi with G. Stebbins, A. Hawkes, F. Ehrendorfer, J. Hunziker, D. Zohary and H. Stutz 1952-7-20 3871 Placer n-facing serpentine slope just s Shirttail Public Camp (about 6 mi e of Iowa Hill); Tahoe Nat. Forest 1097 Comment
  POM91578  Heteromeles arbutifolia Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UCD133036  Heterotheca grandiflora Collector Unknown Date Unknown s.n. Placer Exact location unknown. Comment
  SD234517  Heuchera micrantha G. 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
  UCD102638  Heuchera micrantha Eric Brenner; John Hunter 1996-5-26 024 Placer Tahoe National Forest, Mosquito Ridge Rd. 1080 Comment
  UCD15698  Heuchera micrantha Sook Hong 1989-5-20 11 Placer Placer Redwood Grove. 563 Comment
  SEINET6032034  Heuchera rubescens P. B. Kennedy 1901-8-10 s.n. Placer Devils Cliff, Soda Springs. Comment
  SD243095  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16635 Placer Northern Sierra Nevada Mountains Foothills: Forest Route 10 (Sugar Pine Road) 0.8 mile north of its junction with Forest Hill Road, 8.2 miles NE (34a^z) of Foresthill (Michigan Bluff 7.5'Q) 1310 Comment
  UCR233269  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17680 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  CAS-BOT-BC319759  Hieracium argutum Rimo Bacigalupi; G. L. Stebbins; Alex Hawkes; et al. 1952-7-19 3855 Placer Along the North Fork of the American River directly below Cape Horn 1/2 mile upstream from teh bridge on the Colfax-Iowa Hill Road 381 Comment
  JEPS126276  Hippuris vulgaris Steve Matson 2002-6-16 532 Placer Truckee River Canyon about 1 mile downstream (west) of Tahoe City and Highway 89, next to Tahoe Rim Trail. Comment
  UC1132401  Holcus lanatus N. French 1933-5-5 42 Placer s Newcastle; Sacramento Quadrangle Comment
  UCD84856  Holcus lanatus Beecher Crampton 1961-9-27 6012 Placer 1 mile west of Cisco Grove, along U.S. Highway 40, Yuba River. 1706 Comment
  CAS-BOT-BC320307  Holocarpha virgata A. A. Heller 1915-9-12 12276 Placer Near Roseville Comment
  CAS-BOT-BC320308  Holocarpha virgata A. A. Heller 1915-9-12 12276 Placer Near Roseville Comment
  CDA7986  Holocarpha virgata K. Connolly, Robin Breckenridge 1992-9-3 Placer Along Corporation Yard Road, Rocklin. 0 Comment
  CAS-BOT-BC150011  Holodiscus discolor var. discolor A. A. Heller 1917-8-13 12896 Placer North of Summit hotel 2164 Comment
  CAS-BOT-BC150014  Holodiscus discolor var. discolor J. W. Stacey 1922-7-27 13 Placer Truckee River between Truckee and Tahoe City Comment
  UCD85460  Hordeum brachyantherum L. S. Smith 1931-7-24 s.n. Placer Marlette Lake east of Lake Tahoe. 2438 Comment
  SACT001335  Hordeum geniculatum Michael Baad 1977-6-3 Placer Collected in camp, serpentine outcrop at Jeffery Pine. 1219.0 Comment
  SACT001343  Hordeum hystrix Josephine Van Ess 1976-4-26 Placer Collected near top of first hill. 91.5 Comment
  SACT001348  Hordeum jubatum D. Meyer 1983-8-7 Placer East bank. 1879.0 Comment
  UCD85696  Hordeum jubatum Beecher Crampton 1964-7-9 7110 Placer Emigrant Gap, US Hwy. 40. 1615 Comment
  SACT001374  Hordeum leporinum D. Meyer 1984-6-23 Placer and Forest road. .16 km from I80-Frontage Road. 352.0 Comment
  SACT001377  Hordeum leporinum D. Meyer 1983-5-7 Placer Comment
  SACT001383  Hordeum leporinum D. Meyer 1984-5-28 Placer Next to orchard. 206.0 Comment
  CDA36870  Hordeum marinum subsp. gussoneanum CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  CAS-BOT-BC516749  Hordeum murinum George K. Helmkamp; Amy Barnes 2013-3-28 20284 Placer Eastern Sacramento Valley: along 10th St/Ranch House Rd, 0.6 mi S of its jct with Riosa Road in Sheridan 43 Comment
  CHSC73078  Horkelia fusca subsp. parviflora L. P. Janeway 1998-8-6 5984 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
  RSA789724  Horkelia fusca subsp. parviflora James R. Shevock 1985-8-9 11339 Placer Tahoe National Forest, Granitie Chief Wilderness. Along trail 16E10 in Picayune Valley. 2050 Comment
  POM153490  Horkelia fusca subsp. parviflora Philip A. Munz 1928-6-25 11089 Placer Tahoe Camp, Lake Tahoe Comment
  RSA366610  Horkelia fusca subsp. parviflora Fay A. MacFadden 1934-7-26 12689 Placer Foot of Red Mt. near Cisco. Comment
  CAS-BOT-BC537858  Horkelia fusca var. parviflora M. S. Jussel 1928-7-21 s. n. Placer Miller's Lake, Lake Tahoe region Comment
  RSA451651  Horkelia tridentata Philip A. Munz 1934-8-10 12832 Placer Cisco. Comment
  SD237590  Horkelia tridentata var. tridentata G. K Helmkamp, Amy Barnes 2009-7-12 15178 Placer Sierra Nevada Mountains Foothills: along Foresthill Road, 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q) 1370 Comment
  CAS-BOT-BC537950  Horkelia tridentata var. tridentata H. D. Ripley; R. C. Barneby 1948-7-13 9819 Placer SW. of Emigrant Gap 1676 Comment
  CAS-BOT-BC537975  Horkelia tridentata var. tridentata Junea Kelly 1921-7-1 s. n. Placer Near Placerville Comment
  SD2573  Hosackia incana C. F. Sonne May 1897 Placer Sierra Nevada Mountains, between Blue Lawn & Jowles (?), along railroad Comment
  UCD106160  Hosackia oblongifolia R. Tofsrud 1951-7-1 s.n. Placer Hwy. 40, above Baxter 3/4 mile below drinking station. Comment
  SEINET5327561  Hosackia stipularis A. Allen 1950-5-20 46 Placer on the old Hwy 40 1/2 a mi W of Gold Run near a bridge 1067 Comment
  SEINET11259360 Image available Hulsea californica J. Stubbs 1972-10-8 s.n. Placer 5 miles S of Auburn along American River 366 Comment
  SEINET11259361 Image available Hulsea californica Unknown s.n. Placer Near Auburn, American River Comment
  UC880766  Hydrophyllum capitatum var. alpinum Lewis S. Rose 1940-6-2 40457 Placer 10 mi n Tahoe City; Truckee River 1828 Comment
  UCD22030  Hydrophyllum capitatum var. alpinum Rex Palmer 1979-6-21 N 423 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET5504194  Hydrophyllum capitatum var. alpinum P. Lehenbauer 1926-4-25 1244 Placer Squaw Creek Comment
  CAS-BOT-BC400937  Hypericum anagalloides A. A. Heller 1917-8-15 12939 Placer Soda Springs station, lower end of Summit Valley 2042 Comment
  CAS-BOT-BC400938  Hypericum anagalloides John Thomas Howell 1943-7-26 18857 Placer Sugar Bowl nw. of Mt. Lincoln Comment
  UCD42991  Hypericum anagalloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 360 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 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
  RSA751264  Hypericum concinnum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14033 Placer Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UCD39144  Hypericum perforatum subsp. perforatum Beecher Crampton 1964-7-21 7124 Placer 1 mile east of Cisco Grove (old site), old portion US Hwy. 40. 1737 Comment
  CAS-BOT-BC401315  Hypericum scouleri Geo. B. Grant 1906-7-15 6995 Placer Tahoe Tavern, Lake Tahoe Comment
  CDA36917  Hypochaeris glabra CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CAS-BOT-BC312896  Hypochaeris glabra L. S. Smith 1926-5-23 1827 Placer Tahoe National Forest. Forest Hill below town along road 762 Comment
  CDA36751  Hypochaeris glabra D. B. Joley 1976-4-22 13 Placer Loomis area, Butterfield s. 0 Comment
  RSA129914  Ipomoea purpurea P. H. Raven 1954-8-27 7963 Placer Penryn. Comment
  UCD118224  Ipomopsis aggregata Mrs. Raus 1935-7-10 s.n. Placer Lake Tahoe. Comment
  UCD21976  Ipomopsis aggregata Rex Palmer 1979-7-25 N 699 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET2441405  Ipomopsis aggregata subsp. formosissima George K. Helmkamp, E. A. Helmkamp 2009-7-16 15220 Placer Sierra Nevada Mountains: Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat (Duncan Peak 7.5' Q.). 2020 Comment
  UCD138732  Iris hartwegii subsp. hartwegii Eric Brenner; John Hunter 1996-5-26 009 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCD138733  Iris hartwegii subsp. hartwegii G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12046 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCR257151  Iris hartwegii subsp. hartwegii George K. Helmkamp, Amy Barnes 2014-4-23 22789 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  UCD138764  Iris macrosiphon R. A. Mead 1962-4-21 38 Placer America River Canyon, directly below Skyline Drive, Auburn. Comment
  CDA15985  Isoetes nuttallii G. F. Hrusa, J. Glazner 1999-7-17 15170 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS16970  Iva axillaris subsp. robustior Peter H. Raven 1956-8-4 9978 Placer Blue Canyon Sierra Nevada 1432 Comment
  UC147581  Iva axillaris subsp. robustior Harriet A. Walker 1908-6-23 1217 Placer Blue Canyon 1432 Comment
  UCD43816  Ivesia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1182 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET11911564  Ivesia shockleyi var. shockleyi C. F. Sonne 1885-1 84 Placer Tinker Knob 2896 Comment
  SACT002761  Juglans regia Josephine Van Ess 1976-10-13 Placer Collected near PFE road. Old roadside planting-rows of trees along road for some distance 27.4 Comment
  CAS-BOT-BC109965  Juncus Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  JEPS120278  Juncus acuminatus Barbara Ertter with R. K. Brummitt, K. VanZuuk, S. Namoff 2012-6-12 21029 Placer Placer NF Road 3004-6 several miles south of Michigan Bluff Road, 3--4 airmiles ENE of Foresthill Comment
  UCD33744  Juncus articulatus subsp. articulatus Beecher Crampton 1972-7-26 8856 Placer ca. 1 mile west of Cisco Grove on Interstate 80. 1676 Comment
  POM111245  Juncus bufonius Marcus E. Jones 1882-7-4 s.n. Placer Colfax Comment
  SEINET6744631 Image available Juncus bufonius Marcus E. Jones 1882-1 2903 Placer Colfax, California Comment
  CHSC96502  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
  CHSC68035  Juncus capitatus James D. Jokerst 1986-4-14 2617 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  RSA747124  Juncus chlorocephalus George K. Helmkamp, E. A. Helmkamp 2008-8-20 14035 Placer Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UCD75823  Juncus chlorocephalus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5182 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
  UCR201917  Juncus chlorocephalus George K. Helmkamp, E. A. Helmkamp 2008-8-20 14035 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
  UC1748358  Juncus confusus Susi Urie 1998-8-11 98 -14 Placer about 2 mi W of Lake Tahoe and Sunnyside (about 0.5 mi N of Ward Creek, along a small tributary) 2097 Comment
  RSA783469  Juncus effusus Peter Rubtzoff 1980-8-20 9590 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass 15 quad). At Serene Lakes Lodge Comment
  CDA13671  Juncus ensifolius G. F. Hrusa, J. Glazner 1997-8-3 14031 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CDA25002  Juncus ensifolius J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC82605  Juncus ensifolius Lowell Ahart 2002-7-22 9919 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
  SEINET3879442  Juncus ensifolius Beecher Crampton 1975-9-9 9277 Placer Gold Run rest area on Hwy 80.; 0 914 Comment
  UCD75704  Juncus ensifolius Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5154 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  UCD141463  Juncus exiguus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12957 Placer Northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill. 942 Comment
  UCD43968  Juncus longistylis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1334 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SD81039  Juncus mexicanus Darley F. Howe 1971-7-3 Placer Truckee. 1829 Comment
  CDA15928  Juncus nevadensis G. F. Hrusa, J. Glazner 1999-7-17 15179 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CDA15943  Juncus occidentalis G. F. Hrusa, J. Glazner 1999-7-17 15151 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CDA16994  Juncus orthophyllus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16047 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 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
  UCD43151  Juncus orthophyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 519 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SBBG47339  Juncus phaeocephalus J. T. Howell, G. H. True 1971-5-25 47624 Placer northern limits of Lincoln 48 Comment
  UCD162744  Juniperus grandis Dylan O. Burge; J. Bisbee 2014-5-25 1628 Placer Bear River watershed, roadside on California State Route 20. 1430 Comment
  CAS-BOT-BC81151  Juniperus occidentalis Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco Comment
  UC1076357  Juniperus occidentalis H. L. Mason 1929-10-4 5460 Placer 1 mi above Cisco Comment
  UC95  Juniperus occidentalis J. Burtt Davy Jul 25 1897-Jul 30 1897 3263 Placer near Deer Park Inn; Truckee River Basin Comment
  UCD75756  Juniperus occidentalis var. australis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5224 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  CAS-BOT-BC235567  Keckiella breviflora L. S. Smith 1926-5-23 1830 Placer Tahoe National Forest, American River slopes, below Forest Hill 548 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
  NY786816  Keckiella breviflora var. breviflora M. J. Williams 1984-6-24 8465- 1 Placer 0.3 mile in from Highway 20, on Bowman Lake Road. 1524.0 Comment
  CAS-BOT-BC246156  Keckiella lemmonii Catherine Best 1981-8-1 s.n. Placer Near Lower Hell Hole Reservoir, Sierra Nevada Comment
  CAS-BOT-BC246323  Keckiella lemmonii Alice Eastwood 1909-1-1 233 Placer Squaw Creek Comment
  HSC33450  Kelloggia galioides Thomas W. Nelson, James Nelson 1974-6-17 1359 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  RSA121077  Kelloggia galioides B. Bolt 1934-7-19 152 Placer 1 mile S of Whiskey Hill. 1646 Comment
  UC662634  Kelloggia galioides L. S. Rose 1941-7-21 41338 Placer Chambers Lodge (McKinney); Lake Tahoe 1900 Comment
  SEINET12631408  Kelloggia galioides P. A. Lehenbauer 1933-8-6 2985 Placer [Sierra Nevada] Homewood Comment
  CDA36807  Kickxia elatine D. B. Joley 1971-7-12 4 Placer Near Loomis. 0 Comment
  CAS-BOT-BC180847  Kochia scoparia Beecher Crampton 1969-10-9 8519 Placer Interstate Highway 80 westbound between Yuba and Emigrant Gaps Comment
  SACT001429  Koeleria phleoides Josephine Van Ess 1977-4-27 Placer Collected at top of hill where flume crosses road. Dry scouped out area near road. 140.2 Comment
  JEPS13530  Kopsiopsis strobilacea Louise Delins 1933-5-21 Placer Gold Run Comment
  SEINET5338190  Kumlienia hystricula S. Dean 1979-3-31 s.n. Placer Eldorado Creek near junction with North Fork of Middle fork of American River on Mosquito ridge to French meadows. 518 Comment
  CAS-BOT-BC341563  Lagophylla ramosissima Catherine Best 1984-8-11 1031 Placer South campground, Far West Reservoir 91 Comment
  UCR250188  Lamium amplexicaule George K. Helmkamp, Mary Alice Barnes 2013-4-18 20339 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
  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
  CAS-BOT-BC434223  Lasthenia californica George K. Helmkamp 2013-3-1 20150 Placer Sacramento Valley: Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan. 37 Comment
  UC30448  Lasthenia californica H. N. Bolander 1865-4-13 4572 Placer New Castle Comment
  CHSC96471  Lasthenia glaberrima Lowell Ahart; Brian Williams 2007-4-13 13632 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  JEPS113285  Lasthenia glaberrima Lowell Ahart, Brian Williams 2007-4-13 13632 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  RSA726776  Lasthenia glaberrima L. Ahart 2007-4-13 13632 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
  RSA406667  Lathyrus jepsonii subsp. californicus Fay A. MacFadden 1934-3-31 12452 Placer Dutch Flat Comment
  UCR235613  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2012-5-5 18914 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
  UCR257023  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Amy Barnes 2014-4-23 22783 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  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
  SEINET3167470  Leontodon saxatilis subsp. longirostris R. W. Spellenberg, N. Zucker 2010-4-16 14152 Placer N edge of Lincoln along Hwy. 65 45 Comment
  SEINET4560741  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2011-1 17256 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
  UCR198414  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2008-4-17 13292 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  UCR233020  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2011-5-12 17256 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
  UC2029025  Lepidium latifolium Barbara Ertter 1999-7-9 16757 Placer Emigrant Gap Vista Point on Interstate 80; locally established on roadside. Comment
  SEINET5326387  Lepidium nitidum A. Tiehm, Hugh Mozingo; Margaret Williams; Emily McPherson 1975-1 603 Placer One mile north of Lincoln Comment
  UC212640  Lepidium nitidum Mary E. P. Ames Apr 1894 Placer Auburn Comment
  CAS-BOT-BC12897  Lepidium strictum L. R. Abrams 1935-1-1 13657 Placer Roseville, Sacramento Valley. Comment
  CAS-BOT-BC60088  Lepidium virginicum var. menziesii A. A. Heller 1917-8-13 1753 Placer Near Summit hotel. 2133 Comment
  UCR171335  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9979 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
  SACT001403  Leptochloa fascicularis Josephine Van Ess 1976-7-28 Placer Coillected about .25 mile west of Country Acres Lane. Wet ditch bank at edge of water. 21.3 Comment
  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
  UCD118828  Leptosiphon ciliatus Terri Williamson 1990-4-15 8 Placer 22587 Sunset Ridge Drive, Lake of the Pines. 365 Comment
  CHSC85737  Leptosiphon harknessii G. F. Hrusa; J. Glazner 1999-7-17 15153 Placer Martis Valley. Off Hwy 267, S of Truckee. 1889 Comment
  JEPS127498  Leptosiphon harknessii Steve Matson 2000-8-17 430 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, west of parking lot. Comment
  JEPS20599  Lessingia virgata R. F. Hoover 1936-7-31 1588 Placer Sheridan Comment
  UCD117522  Leucothoe davisiae Murray Fowler 1961-8-8 s.n. Placer At margin of mountain meadow, Robertson Flat, ca. 19 miles west of Tahoe City. 1828 Comment
  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
  UC82893  Lewisia nevadensis Kellogg and Brannan 1870-6-29 Placer Cisco Comment
  UCR111000  Lewisia nevadensis George K. Helmkamp, E. A. Helmkamp 1999-6-30 5106 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  CAS-BOT-BC272203  Leymus triticoides John Thomas Howell 1943-7-27 18878 Placer Lake Tahoe near Tahoe Pines Comment
  JEPS72671  Ligusticum grayi Gladys L. Smith 1972-6-18 3139 Placer Alpine Meadows 2072 Comment
  UCD43374  Ligusticum grayi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 742 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC130529  Lilium Albert M. Vollmer 1941-7-3 s.n. Placer North slope of Placerville Airport Comment
  SCFS1111  Lilium E. Krimmel 2013-6-13 Placer NFAm. Stop #4. On trail to Heath Falls Overlook. Comment
  CAS-BOT-BC130773  Lilium pardalinum Mrs. H. M. Mitchell 1922-7-1 s.n. Placer Gold Run Comment
  UCD22053  Lilium washingtonianum Beth Lowe Corbin 1982-8-10 306 Placer 1 3/4 miles NW of Onion Creek Campground. 2103 Comment
  CAS-BOT-BC133074  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1909-1-1 184 Placer Sunnyside, Lake Tahoe Region Comment
  CAS-BOT-BC133077  Lilium washingtonianum subsp. washingtonianum Jean L. Pawek 1956-7-18 198 Placer Highway 40 1828 Comment
  SEINET5560140  Limnanthaceae H. S. Gentry 1962-1 19718 Placer 6.5 mi. SE of Wheatland, along Rt. 99E. 15 Comment
  UCD116450  Limnanthes alba Lynn Gould 1962-4-17 53 Placer on P. F. E. Road 6 miles west of Roseville. 45 Comment
  UC907582  Limnanthes alba Alice Williams 1946-5-15 3 Placer 0.2 mi w Weimar Post Office (ditch by roadside (US 40)); Weimar Comment
  RSA0093828  Limnanthes alba subsp. alba George K. Helmkamp, Amy Barnes 2014-4-23 22812 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
  UC1746057  Limnanthes alba subsp. alba Annetta M. Carter with Galen Smith 1951-4-16 Placer near Roseville Comment
  UC372594  Limnanthes alba subsp. versicolor Marcus E. Jones, A. M. 1882-6-28 3285 Placer Emigrant Gap Comment
  RSA27967  Limnanthes alba var. detonsa C. L. Hitchcock 1940-5-7 6333 Placer 1 mile west of Baxter. Comment
  UC971863  Limnanthes striata Charles T. Mason Jr. 1949-5-9 1296 Placer 4 mi ne Shingle Springs (on U.S. Hwy 50 at railroad crossing) Comment
  CHSC74000  Limosella acaulis Susi Urie 1998-8-19 98 -081 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD162580  Limosella acaulis Steve Matson 2003-6-16 802 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; edge of pond. 1908 Comment
  CDA15938  Linanthus harknessii G. F. Hrusa, J. Glazner 1999-7-17 15153 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCR240726  Linanthus 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 1973 Comment
  UCD21975  Linanthus pungens Rex Palmer 1979-6-19 N 242 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA6376  Linaria vulgaris J. C. Henderson, K. Stark 1971-7-16 Placer Sierra Nevada; Southern Pacific Railroad tracks, Gold Run. Comment
  CDA15969  Linum lewisii var. lewisii G. F. Hrusa, J. Glazner 1999-7-17 15117 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCR253226  Linum lewisii var. lewisii George K. Helmkamp, Amy Barnes 2014-4-23 22814 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
  UCD160959  Lithophragma G. Ledyard Stebbins 1978-5-27 s.n. Placer El Dorado National Forest. East side of Big Crater. (Exact location unknown. Coordinates estimated by label maker.) 1219 Comment
  CAS-BOT-BC430966  Lithophragma bolanderi W. A. Weber; Lewis S. Rose 1953-5-19 8389 Placer open grassy hills 1 mi. s. e. of Auburn 304 Comment
  RSA293427  Lithophragma bolanderi Reino Alava 1958-5-3 2024 Placer 8 miles W of Auburn on the County Rd No 74. Comment
  UCD22322  Lithophragma glabrum Rex Palmer 1979-6-20 N 323 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22326  Lithophragma glabrum Rex Palmer 1979-5-27 N 74 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22328  Lithophragma glabrum Rex Palmer 1979-6-9 N 170 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA37060  Lolium multiflorum CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  SACT001439  Lolium multiflorum D. Meyer 1983-5-15 Placer Moist roadside next to cultivated field. 19.812 Comment
  SACT001459  Lolium perenne Josephine Van Ess 1973-6-10 Placer Collected at intersection with Eureka Road. Comment
  UCD66657  Lolium temulentum August L. Hormay 1932-5-24 Placer West of Auburn. Comment
  UCSB32282  Lomatium caruifolium Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UCSB32283  Lomatium howellii Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  CAS-BOT-BC516755  Lomatium utriculatum George K. Helmkamp; Mary Alice Barnes 2013-4-18 20336 Placer Northern Sierra Nevada Mountains foothills: Yankee Jim Road, 0.9 mi E of its jct with Canyon Way, 4.4 mi SE (167 deg. ) of Colfax 561 Comment
  UC1125215  Lonicera conjugialis N. French 1934-6-18 419 Placer Lock Leven Lakes Tahoe National Forest, Truckee Quadrangle Comment
  UC35421  Lonicera conjugialis C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  CAS-BOT-BC241427  Lonicera involucrata var. involucrata G. E. Poore 1912-7-1 174 Placer Tahoe National Forest, Sierra Nevada Comment
  RSA293386  Lotus argophyllus var. fremontii Reino Alava 1958-5-3 1999 Placer About three miles southeast of Auburn, on the road from Auburn to Forest Hill. Comment
  UCR194938  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12014 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  RSA25275  Lotus incanus C. L. Hitchcock 1940-5-7 6326 Placer 1 mile west of Baxter. Comment
  UC186937  Lotus nevadensis var. nevadensis C. F. Sonne Jul 1883 Placer meadow along Truckee River Truckee River Comment
  UC65765  Lotus nevadensis var. nevadensis P. B. Kennedy and S. B. Doten 1901-8-7 249 Placer Summit Soda Springs Comment
  RSA406230  Lotus oblongifolius var. nevadensis Wm. Martin 1971-9-10 20280 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  CDA20347  Lotus oblongifolius var. nevadensis unknown 1978-11-7 Placer Sierra Nevada; Secret Camp Meadow. 0 Comment
  UCR206836  Lotus pinnatus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15210 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  CDA12426  Lotus purshianus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8555 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCR198047  Lotus purshianus Beth Lowe Corbin 1982-8-9 273 Placer Headwaters Basin Area of the North Fork of the American River. 1/4 mi southwest of Onion Creek Campground Comment
  CDA27308  Lotus purshianus T. C. Fuller 1958-7-7 2001 Placer 2 miles north of Roseville. 0 Comment
  RSA795081  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18170 Placer along Forest Hill Road, 0.4 miles west of Robinson Flat. 2041 Comment
  UC725840  Lotus purshianus var. purshianus A. A. Heller 1919-7-24 13297 Placer near Cisco Comment
  UC862226  Lotus purshianus var. purshianus A. A. Heller 1917-8-12 12873 Placer w of Emigrant Gap (Southern Pacific reservoir) Comment
  UCR170821  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2005-9-30 9946 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR176249  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2006-8-11 11218 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  UCR233390  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18170 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.4 miles west of Robinson Flat 2041 Comment
  RSA406277  Lotus unifoliolatus L. S. Rose 1946-6-23 46185 Placer Rainbow, north of Cisco. 1738 Comment
  UCD43995  Lupinus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1361 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD22080  Lupinus albicaulis Rex Palmer 1979-7-26 N 836 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM27663  Lupinus andersonii var. andersonii Marcus E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
  JEPS64893  Lupinus apertus Leland S. Smith 1926-5-25 1857 Placer Poison Area below Millers Defeat; Tahoe National Forest, below Millers Defeat 1676 Comment
  UCD106669  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Summit. Comment
  RSA414449  Lupinus arbustus subsp. silvicola W. Hutchinson 1927-6-1 3539 Placer Lake Tahoe. Comment
  SEINET10544130 Image available Lupinus arbustus subsp. silvicola A. Arthur Heller 1909-7-16 Heller 9857 Placer Summit. 2134 Comment
  JEPS111226  Lupinus argenteus subsp. argenteus Steve Matson 2005-7-4 1360 Placer Martis Valley, southeast of Truckee, National Recreation Area , south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; near trailhead; 39.2923 N, 120.1291 W. Elevation 5,900 ft. 1798 Comment
  CAS-BOT-BC208844  Lupinus argenteus var. meionanthus John Thomas Howell 1943-7-21 18674 Placer Mt. Lincoln Comment
  RSA308742  Lupinus aridus Betty J. Jorgensen 1944-7-23 526 Placer Near Soda Springs. Comment
  RSA0035676  Lupinus bicolor George K. Helmkamp, Mary Alice Barnes 2013-4-18 20342 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  SBBG122299  Lupinus bicolor G. K. Helmkamp with E. A. Helmkamp 2008-4-17 13296 Placer ca. 0.2 mi N of St Hwy 193 on Fowler Rd, ca. 6 mi E of Lincoln 92 Comment
  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
  UCR249528  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20290 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  SEINET5328114  Lupinus bicolor var. microphyllus A. Allen 1950-4-6 3 Placer Roadside 5 miles east of Roseville on Rocky ridge road 46 Comment
  JEPS127424  Lupinus breweri var. breweri Steve Matson 1997-7-17 103 Placer nSNH Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; just northeast of west end of golf course. Comment
  UC1129476  Lupinus grayi N. French 1934-5-24 358 Placer N. Fork of N. Fork American River North Fork of North Fork American River; Tahoe National Forest, Colfax Quadrangle Comment
  UCD107803  Lupinus grayi Thomas C. Fuller 1983-7-19 20419 Placer on roadside cut, north side of Hwy 20 to Nevada City, 3 km. west of Interstate 80. Comment
  RSA413743  Lupinus latifolius subsp. latifolius Fay A. MacFadden 1934-7-9 12784 Placer Flume below Emigrant Gap. Comment
  SEINET6655518  Lupinus latifolius var. latifolius L. S. Smith 1927-8-6 2158 Placer Tahoe NF; Top of hill south of Robertson Flat Ranger Station; Duncan Peak Ridge.; 0 2347 Comment
  UCD108413  Lupinus lepidus var. confertus L. S. Smith 1916-6 417 Placer Squaw Valley. Comment
  UCR189631  Lupinus lepidus var. confertus George K. Helmkamp, E. A. Helmkamp 2007-7-27 12640 Placer Northern Sierra Nevada Mountains, 0.1 mile south of the Rainbow exit from Interstate-80, 0.5 miles east of Rainbow 1790 Comment
  UCD108409  Lupinus lepidus var. confertus F. A. MacFadden 1934-7-18 s.n. Placer half way on highway between Carson City and Lake Tahoe. Comment
  UC33404  Lupinus lepidus var. lobbii W. A. Setchell, C. C. Dobie Jul 6 1901-Jul 21 1901 Placer Rubicon Park; vicinity of Lake Tahoe, Rubicon Park 1897 Comment
  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
  CDA13664  Lupinus lepidus var. sellulus G. F. Hrusa, J. Glazner 1997-8-3 14024 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCD108586  Lupinus lepidus var. sellulus F. A. MacFadden 1934-8-10 s.n. Placer Cisco. Comment
  RSA0055953  Lupinus microcarpus var. densiflorus George K. Helmkamp, Amy Barnes 2014-4-23 22771 Placer Sierra Nevada Mountain Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River. 290 Comment
  SDSU4678  Lupinus microcarpus var. densiflorus D. F. Howe 1948-5-21 1860 Placer 4 miles north of Auburn . Comment
  CAS-BOT-BC438828  Lupinus nanus George K. Helmkamp; Mary Alice Barnes 2013-5-3 20471 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  SEINET3271551 Image available Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14603 Placer Sierra Nevada Mountains Foothills; Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  SEINET3828385  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-1 18940 Placer Foothills northern Sierra Nevada Mountians: Finnin Mill Road at the junction with Forest Hill Road (Foresthill 7.5') 1135 Comment
  RSA761030  Lupinus nanus Barbara Ertter, David Thompson 1989-4-9 8188 Placer Auburn-Forest Hill Road 6.2 miles southwest of Spring Garden Road junction, 8 miles northeast of Auburn. 610 Comment
  CAS-BOT-BC438822  Lupinus polyphyllus var. burkei George K. Helmkamp; Mary Alice Barnes 2013-5-3 20458 Placer Northern Sierra Nevada Mountains Foothills: Forest Hill Road, 4.8 miles east of its junction with Upper Clementine Lake Road, 10.1 mi. NE (52 deg. ) of Auburn. 672 Comment
  SEINET8060070  Lupinus polyphyllus var. burkei Trevitt 1932-7-5 s.n. Placer [Sierra Nevada] Tahoe Vista Comment
  SEINET10903499  Lupinus sellulus Gordon H. True, John Thomas Howell 1967-8-16 True 3781 Placer Fordyce lake road just south of lake, ca. 5 Mi north of cisco grove. Common on Dry forest floor. 2042 Comment
  JEPS65459  Lupinus stiversii Alice King 1920-8-2 Placer Rattlesnake Bend Comment
  CHSC9127  Luzula comosa var. subsessilis J. L. Wilson 1970-3-25 220 Placer U.S. Forest Station, Foresthill, Tahoe National Forest. In a lawn area in front of the office, Box 277. 984 Comment
  UCD142143  Luzula divaricata A. A. Heller 1917-8-14 12930 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  CDA33224  Luzula divaricata Jim Jokerst 1986-7-13 2724 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, in Sheet Valley. Comment
  UCD36475  Lycopus americanus Beecher Crampton 1953-10-6 1660 Placer north Lincoln city limit. Comment
  UCR197979  Lycopus americanus Beecher Crampton 1953-10-6 1660 Placer north Lincoln city limit 52 Comment
  SCFS1150  Madia E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  CDA37077  Madia elegans CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CAS-BOT-BC343776  Madia elegans J. Clausen 1932-9-16 652 Placer 5.1 miles southwest of Auburn, along the Gold Hill Road to Lincoln Comment
  CAS-BOT-BC343779  Madia elegans G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  POM284947  Madia glomerata Lyman Benson 1932-7-31 4022 Placer Tahoe Tavern, Sierra Nevada mtn range, Lake Tahoe watershed. 1890 Comment
  UC1076267  Madia glomerata Herbert L. Mason 1932-9-9 7176 Placer Cisco Comment
  CAS-BOT-BC343242  Madia gracilis David D. Keck 1933-5-31 2428 Placer Just south of Auburn, on road to Roseville 305 Comment
  CAS-BOT-BC343244  Madia gracilis H. M. Hall 1910-6-26 8719 Placer Cisco, west slope Sierra Nevada 1804 Comment
  CDA36902  Madia gracilis CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  JEPS119434  Madia gracilis George K. Helmkamp, Ann Kerchner, Amy Barnes 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 Comment
  SD81181  Madia gracilis Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill. 1095 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
  UCR241744  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2012-6-19 19219 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  POM29897  Madia minima Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  CHSC10706  Maianthemum racemosum Lowell Ahart 1963-7-1 Placer Near Robinson Flat. 1676 Comment
  CAS-BOT-BC512082  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1912-6-15 411 Placer Deer Park; Lake Tahoe Region Comment
  CAS-BOT-BC512084  Maianthemum racemosum subsp. amplexicaule A. A. Heller 1917-6-17 12706 Placer Near the Yuba river below Cisco. 1676 Comment
  CAS-BOT-BC512087  Maianthemum racemosum subsp. amplexicaule Saichi Kawahara 1969-7-6 1462 Placer Yellow Pine Forest; ditchline, east bank of Indian Creek, Mel Henderson Ranch. 1002 Comment
  UCD43084  Maianthemum stellatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 452 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43939  Maianthemum stellatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1305 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET12049608  Maianthemum stellatum J. H. Nishida 1985-1 780 Placer Homewood 1829 Comment
  CHSC21398  Malva nicaeensis M. S. Taylor 1975-5-10 572 .5 Placer Ca. 2 mi s of Auburn on Hwy 49, at bridge over American River. 213 Comment
  CAS-BOT-BC438827  Marrubium vulgare George K. Helmkamp; Mary Alice Barnes 2013-5-3 20470 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 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
  JEPS65513  Medicago polymorpha W. H. Shockley June 1886 Placer Auburn Comment
  UCD22010  Medicago sativa Beth Lowe Corbin 1982-8-5 252 Placer Onion Creek campground. In dry, disturbed ground between stream and road. Tall, diffuse perennial herb, 4' high. Flowers dark purple. Full sun. SW facing slope, 5% incline. Uncommon. 1841 Comment
  CAS-BOT-BC269216  Melica aristata California Academy of Sciences 1870-6-10 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  UCD36669  Melica aristata Beecher Crampton 1955-6-15 2905 Placer Placer County, Yankee Jims. 807 Comment
  UCD36701  Melica aristata Beecher Crampton 1955-7-13 2983 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  SACT001500  Melica californica Josephine Van Ess 1974-5-5 Placer collected about .5 mile north of county line in area where Linda Creek forms a narrow steep sided ravine. Lightly shaded bank. 91.5 Comment
  SACT001501  Melica californica Josephine Van Ess 1978-4-18 Placer Collected on top of ricky hill near Folsom Lake about 1 mile north of twin rocks road and .5 mile east amoung rocks. 170.7 Comment
  UCD87247  Melica californica M. J. Wright 1948-5-15 s.n. Placer American River. Comment
  UCD87274  Melica fugax Arthur D. Haig 1956-5-23 s.n. Placer 2 miles south of Truckee. Comment
  SACT001523  Melica harfordii D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  SACT001528  Melica stricta Michael Baad 1976-8-4 Placer Ascent of creek bed draining Comment
  UCD88310  Melica stricta Tamara Kan 1992-7-25 s.n. Placer East slope of Silver Peak. 2377 Comment
  SACT001536  Melica torreyana Michael Baad 1983-5-7 Placer 2 miles south of Colfax on Iowa Hill Road; rocky opening; disturbed area; 978.0 Comment
  SACT001545  Melica torreyana Michael Baad 1977-6-8 Placer on road between Forest HIll and French Meadows roadside in serpentine-chaparral community 914.4 Comment
  SACT001556  Melica torreyana D. Meyer 1984-6-23 Placer 1 km from Interstate 80 Frontage Road, shady hillside with Oak and Douglass Fir 978.0 Comment
  SEINET11262285  Melica torreyana George Helmkamp, E. A. Helmkamp 2012-5-5 18915 Placer Northern Sierra Nevada Mountain Foothills: Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, .3 air miles SE of Clementine Dam on the American River (Auburn 7.5').; 0 396 Comment
  UCR235612  Melica torreyana George K. Helmkamp, E. A. Helmkamp 2012-5-5 18915 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
  UC303589  Mentzelia congesta G. B. Grant July, 1906 7067 Placer Lake Tahoe Comment
  JEPS126287  Mentzelia dispersa Steve Matson 1998-6-21 260 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters north of Highway 267. Comment
  SEINET2470935  Mentzelia dispersa K. Christie 2010-6-30 1876 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Spring along FR 16N57, ca. 0.75 mi. northeast of Kings Beach from Beaver Rd. 2133 Comment
  CAS-BOT-BC428875  Micranthes californica G. L. Stebbins 1970-4-4 6988 Placer Shrittail [Shirttail] Canyon, south of North Fork, American River, along road from Colfax to Forest Hill [Foresthill]. 365 Comment
  UCD22370  Micranthes nidifica Rex Palmer 1979-6-19 N 263 Placer Headwaters basin area of the North Fork of the American River. 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
  SJSU8088  Micranthes odontoloma R. L. Fisher 1957-8-5 Placer headwaters Sugarbowl Cr (S Fork Yuba R), Emigrant Meadow between Mt Judah & Mt Lincoln, 3 mi S of Norden 2286 Comment
  SD237343  Micropus californicus var. californicus G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15918 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, 5.6 miles south of its junction with CA-49 at Pilot Hill, 0.65 mi. north of the American River crossing. 199 Comment
  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-BC349322  Microseris nutans Geo. B. Grant 1906-7-15 6955 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC349328  Microseris nutans Alice Eastwood 1909-1-1 75 Placer Lake Tahoe Region. Sunnyside Comment
  JEPS111245  Microseris nutans Steve Matson 2005-6-12 1268 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; 100 meters north of fencline; 39.2944 N, 120.1261 W; Elevation 5850 ft. 1783 Comment
  UC2042501  Microseris nutans Holly Forbes, Barbara Keller, and T. Tomashek 2012-6-11 Placer Blackwood Canyon Rd., 0.2 mi. W of junction with Highway 89. Comment
  JEPS59442  Microseris nutans Ezra Brainerd and Viola B. Baird 1915-7-10 167 Placer ? road to Deer Park Inn; Sierra Nevada Mts. 1920 Comment
  JEPS59443  Microseris nutans Ezra Brainerd and Viola B. Baird 1915-7-10 166 Placer along road to Deer Park Inn; Sierra Nevada Mts. 1920 Comment
  SEINET11602003 Image available Microseris nutans L. R. Miller 1934-7-8 s.n. Placer Cisco 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
  UC1206541  Mimulus arvensis T. S. Brandegee Sept. 1888 Placer Donner Comment
Read comments
Jul 19 2011
  UCR146916  Mimulus aurantiacus Beecher Crampton 1955-6-15 2893 Placer Sierra Nevada Mountains, 8.5 miles west of Iowa Hill, bottom of Shirttail Canyon 610 Comment
  UCR194952  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12025 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UC444815  Mimulus aurantiacus var. grandiflorus Martha Brier June 1894 Placer near Towle; Bear Valley Comment
  UCD122310  Mimulus aurantiacus var. grandiflorus A. S. Crafts 1926-5-1 1950 Placer American River Canyon. Comment
  UC26698  Mimulus aurantiacus var. grandiflorus Mrs. M. M. Hardy 1893-1 Placer Comment
  UC886108  Mimulus bicolor C. L. Hitchcock 1940-5-14 6398 Placer ca. 6 mi n Colfax; Meier Ranch 762 Comment
  RSA93428  Mimulus bicolor Milo S. Baker 1936-6-22 8418 Placer Hwy 40, vicinity of Gold Run. Comment
  RSA122638  Mimulus breweri B. Bolt 1934-7-11 97 Placer Cascade Lakes, Truckee 2043 Comment
  RSA795365  Mimulus cardinalis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16775 Placer American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  UCR231861  Mimulus cardinalis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16775 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
  UC193598  Mimulus douglasii Mrs. M. E. P. Ames 1885-1 6202 Placer Auburn Comment
  JEPS59499  Mimulus guttatus Ezra Brainerd and Viola B. Baird 1915-7-10 253 Placer Deer Park Sierra Nevada Mts. 1920 Comment
  SCFS1142  Mimulus guttatus E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #5. Comment
  UCD149497  Mimulus guttatus G. L. Stebbins 1978-5-28 78100 Placer Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD162607  Mimulus guttatus Steve Matson 1999-7-28 130 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork bog. 1920 Comment
  JEPS59500  Mimulus guttatus Ezra Brainerd and Viola B. Baird 1915-7-22 255 Placer e Truckee River (Bear Rock); Sierra Nevada Mts. 1898 Comment
  RSA792360  Mimulus guttatus Heidi Haugen 1984-4-15 3 Placer Folsom Lake west side. 23 Comment
  JEPS103318  Mimulus leptaleus Lowell Ahart 2002-7-22 9903 Placer On the S side of a small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  UC725532  Mimulus microphyllus A. A. Heller 1941-5-10 16120 Placer 1 mi n Lincoln (along U. S. Highway #99E) Comment
  UCD21890  Mimulus microphyllus Rex Palmer 1979-7-19 N 227 Placer Exact location unknown. Comment
  UC112810  Mimulus moniliformis Katharine Brandegee 1908-7-16 Placer Emigrant Gap Comment
  UC1035691  Mimulus moniliformis Kay H. Beach 1941-6-16 1135 Placer between Blue Canyon and Baxter (along highway 40); Sierra Nevada Mountains Comment
  UCD21877  Mimulus moschatus Beth Lowe Corbin 1982-8-10 289 Placer 3/4 mile west of Onion Creek campground. 2023 Comment
  UCD82830  Mimulus moschatus Robin McMaster 1973-6-3 444 Placer Lake Spaulding. 1524 Comment
  UCR233457  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18187 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  UC445153  Mimulus nanus var. nanus C. F. Sonne May 1896 6116 Placer between Blue Canyon and Fowler Comment
  UC1585911  Mimulus pardalis Barbara Ertter with David Thompson 1989-4-8 8173 Placer ca. 2 mi from I-80 (Iowa Creek Rd, near entrance to Auburn State Recreation Area, at creek crossing) 518 Comment
  UC445176  Mimulus primuloides J. A. De Cou 1900-8-3 Placer McKinneys Tahoe Comment
  UCD44720  Mimulus tilingii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2086 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  POM9975  Mimulus tilingii E. Keyes 1920-8-21 s.n. Placer Ellis Meadow near Lake Tahoe. Comment
Read comments
Jan 1 2016
  JEPS14988  Mimulus torreyi G. T. Nordstrom 1934-6-22 157 Placer 1/2 mi ne Mammoth Springs; Tahoe National Forest, Colfax Quadrangle Comment
  UCR209587  Mimulus torreyi George K. Helmkamp, E. A. Helmkamp 2009-8-12 15425 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  JEPS7869  Mimulus torreyi Rimo Bacigalupi with A. Hawkes, J. Hunziker, G. L. Stebbins, D. Zohary, H. Stutz, F. Ehrendorfer 1952-7-19 3862 Placer about 2 1/2 mi e Iowa Hill (near site of Monona Flat, ridge between Indian Creek and North Fork of American River) 990 Comment
  SEINET12765191  Minuartia californica Barbara Ertter 1991-3-29 9719 Placer 2-3 miles south of Lincoln.; 0 46 Comment
  RSA20893  Minuartia californica C. B. Wolf 1937-3-30 8356 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 Comment
  CAS-BOT-BC432976  Mitella breweri John Thomas Howell 1943-7-21 18644 Placer Donner Pass to Mt. Lincoln Comment
  RSA320412  Mitella breweri James R. Shevock 1979-6-23 6267 Placer Along the Yuba River adjacent to Interstate 80. Tahoe National Forest. 1829 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
  UC1221747  Modiola caroliniana Beecher Crampton 1959-7-23 5427 Placer about 6 mi n of Folsom (vicinity of Stallman Corner's) Comment
  OBI39809  Monarda citriodora Joy H. Nishida 1985-7-10 776 Placer Homewood 1829 Comment
  LA27283  Monardella odoratissima Lewis S. Rose; 1941-7-16 41316 Placer Homewood, Lake Tahoe 1920 Comment
  UCR171333  Monardella odoratissima George K. Helmkamp, E. A. Helmkamp 2005-10-1 9982 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
  SEINET13948628 Image available Monardella odoratissima Lewis S. Rose 1941-1 41316 Placer Open pine forest. Homewood, Lake Tahoe, alt ca 6300 ft 1920 Comment
  CAS-BOT-BC222101  Monardella odoratissima subsp. pallida Alice Eastwood 1909-1-1 147 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC222102  Monardella odoratissima subsp. pallida Lewis S. Rose 1941-7-16 41316 Placer Homewood, Lake Tahoe 1920 Comment
  CAS-BOT-BC314188  Monardella odoratissima subsp. pallida H. M. Hall 1910-7-1 8731 Placer Cisco 1828 Comment
  UC1048670  Monardella odoratissima subsp. pallida Lewis S. Rose 1941-7-16 41316 Placer Homewood Lake Tahoe 1920 Comment
  CAS-BOT-BC222104  Monardella odoratissima subsp. pallida Mary P. Wells 1980-9-11 s.n. Placer Alpine Meadows by Bear Creek, opposite stable 1950 Comment
  UCR194701  Monardella sheltonii George K. Helmkamp, E. A. Helmkamp 2007-5-30 12206 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.5 miles east of its junction with Forest Hill Road in Foresthill 488 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
  CAS-BOT-BC260645  Muhlenbergia filiformis Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles S of French Meadows 1600 Comment
  CHSC81853  Muhlenbergia filiformis Lowell Ahart 2001-10-10 9359 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 a 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  JEPS103487  Muhlenbergia filiformis Lowell Ahart 2002-7-22 9905 Placer On the S side of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  POM114424  Muhlenbergia filiformis Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  RSA619860  Muhlenbergia filiformis Fay A. MacFadden 1934-8-10 12852 Placer Cisco. Comment
  SACT001585  Muhlenbergia filiformis D. Meyer 1984-7-15 Placer Moist mountain meadow 25 km from lodge. 1909.0 Comment
  UCD44571  Muhlenbergia filiformis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1937 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  OBI20096  Muhlenbergia richardsonis David J. Keil 1978-7-23 12935 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  CDA19071  Myriophyllum aquaticum R. Simon 2001-4-13 PDR 062707 Placer Corner of Roseville Parkway and Ornetto, Roseville. 0 Comment
  UC1069125  Nama lobbii H. S. Yates 1936-8-8 5980 Placer near Meeks Bay; Truckee Quad., near Meeks Bay Comment
  JEPS82202  Navarretia breweri Gladys L. Smith 1982-6-24 7432 Placer Goose Meadow 1828 Comment
  UCD22114  Navarretia breweri Rex Palmer 1979-6-21 N 385 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS127419  Navarretia capillaris Steve Matson 1998-7-12 334 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area600 meters north Highway 267 and 100 meters west of Martis Creek. Comment
  RSA562585  Navarretia capillaris Alva Day 1982-7-13 82 -71 Placer Soda Springs Rd. 1.7 mi. N of Chickering property. Comment
  SEINET14055763  Navarretia capillaris C. C. Hall 1910-6-25 8710 Placer [Sierra Nevada] Cisco 1850 Comment
  SEINET14055774  Navarretia capillaris A. A. Heller 1909-7-16 9843 Placer [Sierra Nevada] Summit. 2134 Comment
  UCD21972  Navarretia divaricata Beth Lowe Corbin 1982-8-18 366 Placer 1 mile SW of The Cedars. In sandy, disturbed soil along logging road in White Fir forest. Flowers white, aging to pink. Ful lsun. NE facing slope, 20% incline. Common. 1828 Comment
  JEPS111177  Navarretia divaricata subsp. divaricata Steve Matson 2005-7-4 1363 Placer Martis Valley, southeast of Truckee, National Recreation Area (Army Corps of Engineers), south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; near trailhead. 39.2923 N, 120.1291 W. Elevation 5,900 ft. 1798 Comment
  UC856864  Navarretia divaricata subsp. vividior Alice Eastwood Jun 20 1912-Jun 22 1912 498 Placer Colfax Comment
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Sep 7 2010
  UC133912  Navarretia filicaulis Katharine Brandegee Placer Gold Run Comment
  JEPS70343  Navarretia intertexta W. H. Shockley 1886-6-1 Placer Auburn Comment
  JEPS103313  Navarretia intertexta subsp. intertexta Lowell Ahart 2002-7-22 9895 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
  CDA15932  Navarretia intertexta subsp. propinqua G. F. Hrusa, J. Glazner 1999-7-17 15173 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 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
  JEPS127504  Navarretia intertexta subsp. propinqua Steve Matson 1997-7-19 115 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek. Comment
  UC110968  Navarretia intertexta subsp. propinqua Katharine Brandegee Sep 1888 Placer Donner Comment
  RSA35119  Navarretia intertexta subsp. propinqua L. S. Rose 1944-7-26 44289 Placer Truckee River, 7 mi. N of Lake Tahoe 1799 Comment
  POM145543  Navarretia leptalea J. B. Feudge 1927-7-19 1748 Placer Emigrant Gap. 1524 Comment
  SBBG58362  Navarretia leptalea A. A. Heller 1927-8-15 14445 Placer near the Yuba River, Cisco Comment
  SD103799  Navarretia leptalea Darley Howe 1978-7-14 5069 Placer Along state highway 20, 29 miles west of truckee 1646 Comment
  RSA470066  Navarretia leptalea Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  CHSC74112  Navarretia leptalea subsp. bicolor Susi Urie 1998-8-11 98 -010 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  UC398627  Navarretia leptalea subsp. leptalea A. A. Heller 1927-8-15 14445 Placer near Yuba River (Cisco); near Yuba River, Cisco Comment
  SEINET14151944  Navarretia leptalea subsp. leptalea M. J. Williams 1986-6-19 86- 64 -1 Placer [Sierra Nevada] South of I-80, near Cisco Grove 1743 Comment
  JEPS70379  Navarretia leucocephala R. E. Arp 1932-4-28 2 Placer Roseville Comment
  UCR198536  Navarretia leucocephala subsp. leucocephala George K. Helmkamp, E. A. Helmkamp 2008-4-17 13287 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  RSA29021  Navarretia leucocephala subsp. leucocephala Lincoln Constance 1941-5-28 2820 Placer 2 miles north of Lincoln, Sacramento Valley. 61 Comment
  UC449816  Navarretia leucocephala subsp. minima Francis Ramaley 1917-4-14 11113 Placer Lincoln Comment
  SEINET14152717  Navarretia linearifolia subsp. linearifolia F. H. Hillman s. n. Placer [Sierra Nevada] Between Truckee and Lake Tahoe Comment
  UC106895  Navarretia linearifolia subsp. linearifolia C. F. Sonne Sept., 1895 Placer road to Hot Springs Lake Tahoe; Sierra Nevada Mountains, rd to Hot Springs Lake Tahoe Comment
  SD114166  Navarretia nigelliformis Darley F. Howe 1951-5-2 2110 Placer 4 mi. north of Auburn 456 Comment
  RSA0116717  Navarretia nigelliformis subsp. nigelliformis John Dittes 2003-5-25 2003 -31 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.6 air miles due E of intersection of Hwy 65 and 12 Bridges Exit 46 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
  RSA0047750  Nemophila heterophylla George K. Helmkamp, Mary Alice Barnes 2013-4-18 20374 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
  SBBG29933  Nemophila heterophylla C. L. Hitchcock 1940-5-7 6321 Placer ca. 1 mi W of Baxter Comment
  UCD119915  Nemophila maculata Terri Williamson 1990-4-15 4 Placer 22587 Sunset Ridge Dr. Lake of the Pines. 365 Comment
  UC1021938  Nemophila menziesii Rolf Y. Berg 1954-4-15 Placer Auburn-Folsom Road eight mi s Auburn; s of Auburn Comment
  JEPS62088  Odontostomum hartwegii E. R. Arp 1935-5-13 Placer Roseville Comment
  UC905263  Odontostomum hartwegii Malcolm Nobs 1948-5-23 511 Placer on Hwy. 49 3/4 mi. n. of Rock Creek Comment
  SEINET5345645  Oenothera elata B. M. Cunningham 1960-5-6 s.n. Placer Twenty miles east of Auburn on highway 40 freeway 762 Comment
  UC1122248  Oenothera elata subsp. hirsutissima N. French, R. Clar 1933-6-20 80 Placer Mount Vernon Roadside Sacramento Quadrangle Comment
  CDA38632  Onopordum acanthium Clayton Seado 2012-8-8 PDR# 1611235 Placer Drum Forebay, near Drum Forebay Road. 0 Comment
  JEPS71554  Oreostemma alpigenum var. andersonii Gladys L. Smith 1972-8-25 3430 Placer meadow below cirque, north face Granite Chief Granite Chief 2575 Comment
  JEPS11677  Orobanche californica subsp. grayana Miss M. Annie Miller Sep 1914 Placer Tahoe Tavern, Tahoe Comment
  JEPS72372  Orobanche fasciculata Gladys L. Smith 1972-6-20 3605 Placer Ward Peak, above Sherwood Forest. Comment
  RSA0068982  Orobanche uniflora subsp. occidentalis Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC238391  Orthocarpus Catherine Best 1982-6-23 s.n. Placer Goose Meadow 5 miles south of Truckee on Hwy. 89 1767 Comment
  SCFS1214  Orthocarpus cuspidatus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top meadow. Comment
  JEPS86485  Orthocarpus cuspidatus subsp. cryptanthus L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6565 Placer ca 5 mi se Donner Lake (below Ada's Rock, sw slope of Tinker Knob, Sherman Chickering's Soda Springs holdings); se of Donner Lake, sw slope of Tinker Knob 2407 Comment
  RSA516502  Orthocarpus hispidus W. L. Jepson 1931-6-16 15929 Placer Tahoe Vista, Lake Tahoe. 2043 Comment
  SACT001623  Oryza sativa Josephine Van Ess 1973-9-3 Placer Collected at Nicolaus road 5 miles w of Lincoln. Escape from cult. 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
  CDA12409  Osmorhiza occidentalis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8537 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD43287  Osmorhiza occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 655 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  UCD102576  Paeonia brownii Edward L. Smith 1967-6-17 s.n. Placer 1 mile east of Emigrant Gap. 1615 Comment
  POM116001  Panicum capillare Marcus E. Jones 1882-7-3 s.n. Placer Alta Comment
  SACT001633  Panicum dichotomiflorum Josephine Van Ess 1976-9-15 Placer Collected on the bank of reservoir on road to dam. Amoung rocks, dry where water receded. 76.2 Comment
  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
  SACT001645  Panicum pacificum Michael Baad 1977-6-9 Placer At junction of Middle Fork of American River and Rubicon River 365.76 Comment
  SACT001653  Panicum pacificum Josephine Van Ess 1980-7-8 Placer Collected at Highway 49 bridge over American River. Wet rocky area. Comment
  SEINET12219713  Parnassia palustris var. californica C. F. Sonne 1885-1 96 Placer above Coldstream Comment
  UCD37739  Paspalum dilatatum Beecher Crampton 1961-9-27 5996 Placer Placer County, 1 mile west of Auburn, along U.S. Highway 40. Comment
  SACT001664  Paspalum dilatatum Josephine Van Ess 1976-6-7 Placer Collected just east of tennis courts. Moist roadside. 103.7 Comment
  CAS-BOT-BC258772  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  CAS-BOT-BC258774  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  UCD22332  Pectiantia breweri Rex Palmer 1979-6-19 N 272 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM308680  Pedicularis attollens Betty J. Jorgensen 1944-7-23 528 Placer Near Soda Springs. Comment
  SD4772  Pedicularis attollens C. F. Sonne Aug 1897 Placer Above Coldstream Comment
  SEINET13754222  Pedicularis attollens H. A. Walker Unknown 1470 Placer [Sierra Nevada] near Cisco Lake. Cisco Comment
  UC1035662  Pedicularis racemosa Laura E. Mills, Kay H. Beach 1940-8-5 28 Placer 4 mi n of Soda Springs (Camp Pahatsi); Sierra Nevada Mountains Comment
  UC1294000  Pedicularis racemosa E. F. Sprague 1957-7-14 1598 Placer up slope behind Rainbow Tavern (and to e end of road, Hwy 40) 1828 Comment
  UC197942  Pellaea breweri C. F. Sonne Aug. 1878 Placer Coldstream Comment
  CHSC32010  Pellaea bridgesii L. Ahart 1972-6-28 127 Placer French Meadows. 1524 Comment
  UC1012168  Penstemon azureus var. angustissimus Francis W. Pennell 1940-6-2 25662 Placer e Auburn (n of American River, Route 49); n of American River, e of Auburn 335 Comment
  RSA780095  Penstemon breviflorus subsp. glabrisepalus Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  JEPS111238  Penstemon deustus Steve Matson 2005-6-19 1293 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2974 N, 120.1379; Elevation 5850 ft. 1783 Comment
  UCR129622  Penstemon glaber Marcus E. Jones 1930-7-10 25579 Placer Sierra Nevada Mtns., Lake Tahoe 1951 Comment
  CAS-BOT-BC264481  Penstemon heterodoxus var. heterodoxus Peter Rubtzoff 1976-9-19 8866 Placer Meadow adjacent to the E end of Lake Van Norden 2063 Comment
  CAS-BOT-BC264484  Penstemon heterodoxus var. heterodoxus John Thomas Howell 1943-7-22 18705 Placer Summit Valley Comment
  CAS-BOT-BC264487  Penstemon heterodoxus var. heterodoxus Betty J. Jorgensen 1944-7-23 532 Placer Near Soda Springs Comment
  CAS-BOT-BC264488  Penstemon heterodoxus var. heterodoxus L. S. Smith 1927-8-12 2222 Placer Upper Squaw Creek Basin below Peak 2286 Comment
  JEPS57362  Penstemon heterophyllus var. heterophyllus L. R. Heckard 1968-5-29 1921 Placer along Lake Clementine Road ca 1/2 mi from its junction with the Foresthill Road ((se of Auburn)); se of Auburn, along Lake Clementine Rd 487 Comment
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Nov 20 2007
  UCD124279  Penstemon laetus Beecher Crampton 1969-7-1 8487 Placer 1/4 mile west Emigrant Gap P.O. Interstate Hwy. 80 eastbound. Comment
  RSA463161  Penstemon laetus Lyman D. Benson 1932-7-31 4024 Placer Twin Peaks Road, Sierra Nevada, Lake Tahoe watershed. 1951 Comment
  UCR233369  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  UCD21910  Penstemon newberryi Rex Palmer 1979-6-9 N 151 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  CAS-BOT-BC239285  Penstemon newberryi var. berryi A. A. Heller 1917-6-18 12710 Placer Along the Yuba River below Cisco 1645 Comment
  NY627344  Penstemon newberryi var. newberryi A. A. Heller 1917-6-18 12710 Placer Along the Yuba River below Cisco 1645.9 Comment
  UC194353  Penstemon newberryi var. newberryi C. F. Sonne 1884-1 Placer near Donner Lake Comment
  UCR209729  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2009-8-12 15452 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 21.7 miles northeast of the city of Foresthill 1701 Comment
  POM98174  Penstemon roezlii E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
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Jan 1 2016
  CAS-BOT-BC239575  Penstemon rydbergii var. oreocharis M. S. Jussel 1928-6-25 s.n. Placer Tahoe City Comment
  NY651261  Penstemon rydbergii var. oreocharis L. S. Rose 1940-6-2 40460 Placer Truckee River, 10 miles north of Tahoe City 1828.8 Comment
  UC696719  Penstemon rydbergii var. oreocharis L. S. Smith 1928-6-9 2307 Placer Squaw Valley Tahoe National Forest, Squaw Valley 1828 Comment
  NY661071  Penstemon speciosus C. B. Wolf 1937-9-4 9288 Placer Sierra Nevada, Auburn-Truckee Road S. side S. Fork Yuba River near Cisco 1798.3 Comment
  SEINET5329848 Image available Penstemon speciosus Frevitt 1932-7-5 s.n. Placer Tahoe Vista Comment
  SEINET6626622  Pentagramma triangularis H. N. Mozingo 75 -5 Placer 2 miles east of Auburn, middle fork of American River Comment
  UCD137789  Pentagramma triangularis subsp. triangularis Eric Brenner; John Hunter 1996-5-26 5 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  RSA0026218  Perideridia John F. Emmel 1997-7-25 1507 Placer Sierra Nevada, Donner Pass region; along Pacific Crest Trail south of Donner Pass, ca. 0.5 air mile SE of SE end of Lake Mary. 2287 Comment
  JEPS126327  Perideridia bolanderi Steve Matson 1998-6-21 269 Placer Martis Valley; about 4 miles SE of Truckee; 1/4 mile north of Highway 267, 60 ft east of Martis Creek Wildlife Area. Comment
  UC875330  Perideridia bolanderi subsp. bolanderi Marcus E. Jones, A. M. 1882-6-28 3603 Placer Emigrant Gap Comment
  UCD21593  Perideridia parishii E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1256 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, descending ridge. 2200 Comment
  SD51289  Persicaria punctata Darley F. Howe 1961-8-8 3134 Placer 4 miles north of Auburn, by canal 456 Comment
  SEINET3924413  Persicaria wallichii Beth Lowe Corbin 1982-8-3 188 Placer Onion Creek campground.; 0 1841 Comment
  CAS-BOT-BC438816  Petrorhagia dubia George K. Helmkamp; Mary Alice Barnes 2013-4-18 20357 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
  SD237399  Petrorhagia dubia G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15934 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  UCD22076  Phacelia Rex Palmer 1979-6-20 N 325 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS71489  Phacelia hastata subsp. compacta Gladys L. Smith 1972-6-20 3253 Placer steep slope just below Ward Peak Summit 2628 Comment
  CDA15918  Phacelia hastata subsp. hastata G. F. Hrusa, J. Glazner 1999-7-17 15137 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCR246828  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2010-7-28 16655 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  UC1051796  Phacelia heterophylla subsp. virgata L. R. Heckard 1951-8-9 189 Placer along state hwy 89 about 1.5 mi n Tahoe City; Truckee River canyon 1981 Comment
  JEPS2123  Phacelia humilis C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  CDA16032  Phacelia hydrophylloides G. F. Hrusa, J. Glazner 2000-9-3 15681 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CHSC85485  Phacelia hydrophylloides G. F. Hrusa; J. Glazner 2000-9-3 15681 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UC579287  Phacelia hydrophylloides B. Bolt 1934-7-16 122 Placer 1 mi ne Lost Emigrant Mine (between Middle and North Forks of the American River w of Needle Peak); Tahoe National Forest, Truckee Quadrangle 2042 Comment
  UC148969  Phacelia marcescens H. M. Hall 1910-6-11 8756 Placer Cisco Butte Sierra Nevada Mountains 1981 Comment
  UC660091  Phacelia marcescens G. L. Stebbins Jr. 1940-6-9 3036 Placer 1 mi w Cisco; South Fork Yuba River Comment
  CDA25027  Phacelia mutabilis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC881016  Phacelia mutabilis Marcus E. Jones, A. M. 1882-6-30 2813 Placer Emigrant Gap Comment
  UCD22020  Phacelia mutabilis Beth Lowe Corbin 1982-8-2 155 Placer Onion Creek Campground. 1841 Comment
  RSA0009550  Phacelia mutabilis Marcus E. Jones 1882-6-30 2813 Placer Emigrant Gap. Comment
  SEINET8472437  Phacelia racemosa D. W. Taylor 2004-1 19162 Placer Canyon of South Yuba River; 2 air miles W of Kingvale on I-80. along logging road from the highway to Catfish Lake just at the Nevada County line. 2088 Comment
  UCD120688  Phacelia stebbinsii G. L. Stebbins 1977-7-9 7762 Placer Along trail from McKinistry Lake to Hell Hole Reservoir. 1706 Comment
  CHSC114270  Phalaris arundinacea R. Robison 2011-8-19 Placer Tahoe City; Gatekeeper's Museum, adjacent to dam near Truckee River outflow. Comment
  SACT001697  Phalaris arundinacea Michael Baad 1976-6-17 Placer Flood plain of river, Royal Gorge-Wabena Creek to Wild Creek to Wild Cat Canyon. Comment
  CAS-BOT-BC259075  Phalaris lemmonii L. R. Abrams 1935-4-20 13685 Placer Roseville Comment
  SACT001704  Phalaris lemmonii D. Meyer 1984-4-15 Placer Roadside appears to have been a vernal pool. Dry. 36.97 Comment
  UCD89344  Phleum alpinum R. Tofsrud 1951-7-11 s.n. Placer Ice Lake, 4 miles S of Soda Springs. Comment
  POM282382  Phlox diffusa subsp. diffusa Lyman Benson 1933-6-26 4536 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  UCR233386  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2011-8-26 18173 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  JEPS72023  Phoenicaulis cheiranthoides Gladys L. Smith 1972-6-20 3223 Placer Ward Peak, from chair lift terminus to ultimate summit peak Ward Peak 2632 Comment
  UC856742  Phoenicaulis cheiranthoides Alice Eastwood Jun 15 1912-Jun 19 1912 367 Placer Lake Tahoe Region, Deer Park Deer Park; Lake Tahoe Region, Deer Park Comment
  UCD162875  Phoenicaulis cheiranthoides Jack Major 1962-6-3 s.n. Placer Granite Chief Wilderness. Top of Ward Peak. (Exact location unknown. Coordinates estimated by label maker.) 2632 Comment
  JEPS102476  Phoradendron densum Lowell Ahart 2001-10-10 9336 Placer West of Soda Springs Road, about one mile south of Ice Lakes, about 3 miles south of Soda Springs and Highway 80. 2011 Comment
  POM177561  Phoradendron libocedri I. L. Wiggins 1930-10-12 5084 Placer Near Cisco. 1982 Comment
  CDA22384  Phoradendron macrophyllum J. C. Henderson 1969-2-26 Placer H. Nakae property, Newcastle-Lincoln Highway, Newcastle. 0 Comment
  SEINET10327162  Phoradendron serotinum subsp. macrophyllum J. Prida 1972-10-8 s.n. Placer 5 miles S of Auburn, roadside. 518 Comment
  JEPS48535  Phyllodoce breweri L. S. Smith 1927-8-12 2238 Placer Tahoe National Forest, Squaw Creek-Upper Basin Squaw Creek-Upper Basin; Tahoe National Forest, Squaw Creek-Upper Basin 2286 Comment
  UC21950  Phyllodoce breweri C. F. Sonne July 1887 Placer Sierra Nevada Mountains, Tuckers Knob Tuckers Knob; Sierra Nevada Mountains, Tuckers Knob Comment
  SEINET4691685  Physocarpus capitatus George K. Helmkamp, E. A. Helmkamp 2010-1 17030 Placer Northern Sierra Nevada Mountains Foothills: along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) lf the Sugar Pine Reservoir dam. 1180 Comment
  HSC1484  Pinus contorta R. A. Magie 1964-6-12 102 Placer Turn off of Hwy. 20 6 mi. W of Hwy. 40 junction, 12 mi. to Lindsay Lake, Bulk Collection # 36 Comment
  UCD23232  Pinus contorta subsp. murrayana Beth Lowe Corbin 1982-8-18 371 Placer 1 mile southwest of The Cedars. 1844 Comment
  SEINET11528646  Pinus contorta var. murrayana P. Lehenbauer 1929-11-4 s.n. Placer Fish hatchery, Tahoe City. Comment
  UCD23235  Pinus jeffreyi Beth Lowe Corbin 1982-8-25 420 Placer Onion Creek campground. 1841 Comment
  SBBG24261  Pinus murrayana E. R. Blakley 1960-8-30 3798 Placer Lake Tahoe at mouth of Carnelian Crk 1905 Comment
  IRVC9005  Pinus ponderosa Pamela I. B. Roeber 1974-10-20 66 Placer 3 miles S of Foresthill on Auburn-Foresthill Road. Comment
  UCD13360  Pinus ponderosa Anne Marie Weyandt 1989-5-20 13 Placer Placer Co., near road cut. T 12N, R 12E, Sect. 21, SW 1/4. Elev. 3000 ft. 914 Comment
  SEINET5334784  Pinus sabiniana W. Priest 1956-4-7 s.n. Placer On Calif. Highway 49, about 10 miles north of Auburn 610 Comment
  UCD33760  Pistacia atlantica Beecher Crampton 1972-9-28 8879 Placer Placer County, Applegate. 579 Comment
  CAS-BOT-BC169824  Plagiobothrys A. A. Heller 1917-8-12 12877 Placer Southern Pacific Reservoir W of Emigrant Gap Comment
  POM260091  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer 1 mile west of Baxter Comment
  SD44644  Plagiobothrys fulvus var. campestris D. F. Howe 1951-5-1 2104 Placer 456 Comment
  CAS-BOT-BC230951  Plagiobothrys hispidulus Alice Eastwood 1912-6-15 445 Placer Lake Tahoe Region. Tahoe City Comment
  CAS-BOT-BC230954  Plagiobothrys hispidulus Geo. B. Grant 1906-8-1 6932 Placer About Lake Tahoe Comment
  JEPS126398  Plagiobothrys hispidulus Steve Matson 1998-6-27 312 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 40 yards south of Highway 267. Comment
  UCR121489  Plagiobothrys hispidulus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5021 C Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CDA36908  Plagiobothrys nothofulvus CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  UCR207899  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14583 Placer Sierra Nevada Mountains Foothills, Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  RSA0039279  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-3-28 20282 Placer along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  UCR249588  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-3-28 20282 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  UCR47818  Plagiobothrys stipitatus var. micranthus C. B. Wolf 1937-5-12 08622 Placer Sacramento Valley, 1 mi north of Lincoln 46 Comment
  POM264939  Plagiobothrys stipitatus var. micranthus Lincoln Constance 1941-5-28 2822 Placer 2 miles north of Lincoln, Sacramento Valley. 61 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
  CAS-BOT-BC257797  Plantago coronopus George K. Helmkamp; E. A. Helmkamp 2012-3-31 18650 Placer Sacramento Valley: along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  CDA36885  Plantago lanceolata CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CDA39017  Plantago lanceolata D. G. Kelch 2011-10-2 11 .81 Placer Gold Run rest stop. Comment
  UCD124575  Plantago lanceolata Amelie Blyth 1952-5-11 9- 1 Placer Near junction of north fork and middle fork of American River, near Auburn. Comment
  HSC97407  Platanthera dilatata var. leucostachys A. Montalvo, J. D. Ackerman 1974-7-20 386 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy. 89 2058 Comment
  UCD150744  Platanthera dilatata var. leucostachys James A. Neilson Jr. 1970-7-18 1567 Placer Tahoe Basin, 2 miles NE of Tahoe City. 1950 Comment
  SJSU9113  Platanthera dilatata var. leucostachys N. D. Addy 1962-7-8 174 Placer Hwy 89, 1.5 mi N of Fallen Leaf Lake 1920 Comment
  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
  RSA382897  Platanthera leucostachys Bonnie C. Templeton 1931-7-4 1503 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  UCD15637  Plectritis macrocera R. B. Kelley 1985-5-12 186 Placer Stevens Trail, at end of North Canyon Rd, near Colfax. 633 Comment
  SFV18643  Pleuricospora fimbriolata J. D. Dilley 2002-6-3 451 Placer Sierra Nevada Cuckoo Ridge, trail to Grouse Ridge Falls, 1 mile from trailhead. Comment
  UC415569  Pleuricospora fimbriolata C. F. Sonne August, 1896 Placer canyon above Martis Valley; Sierra Nevada Mts.; above Martis Valley, Placer Co. 2133 Comment
  UC1137074  Poa August L. Hormay 1933-5-24 Placer foothills w of Auburn Comment
  UCD22231  Poa Rex Palmer 1979-6-8 N 113 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC254760  Poa bolanderi A. A. Heller 1917-6-17 12701 Placer Along the Yuba River below Cisco 1676 Comment
  CDA16043  Poa bolanderi G. F. Hrusa, J. Glazner 2000-9-3 15670 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. Abies concolor, A. magnifica, Pinus monticola, P. contorta forest with dense herbaceous understory. Along old logging roadbed. Annual. 2164 Comment
  SACT001799  Poa bolanderi Michael Baad 1983-8-11 Placer ON trail from creek to Mildred Ridge 2133.0 Comment
  UCR266714  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer Sierra Nevada Mtns., north of Summit hotel 2165 Comment
  SEINET10659108  Poa bolanderi A. Arthur Heller 1917-6-17 Heller 12701 Placer Low, gravelly places along the Yuba River below Cisco. Pinus Murrayana and Populus trichocarpa are the trees, several species of willow plentiful. Granite. 1676 Comment
  SACT001826  Poa canbyi Michael Baad 1983-8-27 Placer 2072.64 Comment
  SACT001833  Poa compressa D. Meyer 1983-7-16 Placer 1212.0 Comment
  UCD90866  Poa compressa Peter H. Raven 1950-6-26 2406 Placer Baxter's. 1219 Comment
  SACT001858  Poa incurva D. Meyer 1983-8-20 Placer Collected from road to summit at first lake steep rocky trail with some moist meadow areas. 2000.0 Comment
  SACT001864  Poa incurva 1976-7-17 Placer Collected on trail 1.6 km west of Alpine Meadows, open brushy slopes on granite. 2133.0 Comment
  CAS-BOT-BC246828  Poa leptocoma John Thomas Howell 1943-7-22 18714 Placer Summit Valley Comment
  CAS-BOT-BC246865  Poa nervosa John Thomas Howell 1943-7-26 18857 A Placer Between Sugar Bowl and Norden Comment
  SACT001897  Poa palustris D. Meyer 1983-8-7 Placer 3 km north of Fanny Brodge, Tahoe City along Truckee River east bank. 1879.0 Comment
  UCD37045  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Placer County, 0.75 mile west of Blue Canyon. Comment
  SACT001904  Poa pratensis Michael Baad 1983-7-23 Placer 1/8 mile west of Highway 89 1828.0 Comment
  SACT001907  Poa pratensis Michael Baad 1983-7-10 Placer 6.1 miles by raod south of Emigrant Gap townsite, open west meadow 1524.0 Comment
  SACT001913  Poa pratensis D. Meyer 1983-8-7 Placer 8.5 km south of Placer County line moist shady area Louisiana Pacific Private Forest enterance. 1758.0 Comment
  SACT001916  Poa pratensis D. Meyer 1983-8-7 Placer 24.5 km south of Placer County line moist shady area Louisiana Pacific Private Forest enterance. 1758.0 Comment
  SACT001918  Poa pratensis D. Meyer 1983-7-16 Placer 1853.18 Comment
  UCD43838  Poa pratensis subsp. pratensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1204 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SACT001969  Poa scabrella Michael Baad 1977-6-1 Placer Bea croft Trail to the North Fork of the American River, Douglas Fir Forest and Huckleberry Oak at openings, north-facing slope. Comment
  SACT001990  Poa scabrella Michael Baad 1977-6-3 Placer Roadside serpentine outcrop, 0.5 miles west of Sugar Pine Ranger Station 1164.0 Comment
  SACT002012  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  UCD18258  Poa secunda E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 470 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  UCD22233  Poa secunda subsp. juncifolia Rex Palmer 1979-6-21 N 410 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC242953  Poa secunda subsp. secunda A. A. Heller 1917-6-17 12696 Placer Along the Yuba River below Cisco 1676 Comment
  JEPS74054  Poa secunda subsp. secunda Leland S. Smith 1931-6-30 2574 Placer near S Fork Yuba River Tahoe Nat'l Forest Comment
  UCD91579  Poa wheeleri Beecher Crampton 1964-7-21 7130 Placer Blue Canyon. 1430 Comment
  CDA36886  Pogogyne serpylloides CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CDA36905  Pogogyne serpylloides CDFA Staff 1999-4-28 s.n. Placer Dry Creek. 0 Comment
  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
  UC1130351  Polygala cornuta var. cornuta N. French 1934-6-15 410 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  SEINET6647275 Image available Polygonum A. A. Heller 1917-1 12934 Placer Mount Lincoln S of Summit Valley 2438 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
  UC850344  Polygonum aviculare subsp. aviculare A. A. Heller 1917-8-12 12876 Placer w Emigrant Gap; Southern Pacific reservoir Comment
  UCD42845  Polygonum douglasii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 211 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC849976  Polygonum douglasii subsp. douglasii A. A. Heller 1916-8-13 12910 Placer Summit hotel 2133 Comment
  UCD21930  Polygonum minimum Beth Lowe Corbin 1982-8-16 352 Placer 1/2 mile NW of Onion Creek campground. In loose, rocky outcrop in montane chaparral. Calyx white. Stems reddish. Full sun. SE facing slope, 30% incline. Locally common. 2042 Comment
  UCR253538  Polygonum persicaria George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20088 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  UCR253808  Polygonum persicaria George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20107 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  UC849102  Polygonum phytolaccifolium A. A. Heller 1917-8-14 12934 Placer s Summit Valley; Mt. Lincoln 2438 Comment
  CAS-BOT-BC420036  Polygonum polygaloides subsp. kelloggii John H. Thomas; Hazelle A. Thomas 1956-7-21 6144 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CHSC82603  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2002-7-22 9898 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
  JEPS126278  Polygonum polygaloides subsp. kelloggii Steve Matson 2002-7-14 570 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267; just west of Northstar Golf Course. Comment
  CAS-BOT-BC420039  Polygonum polygaloides subsp. kelloggii W. R. Dudley 1900-6-28 s.n. Placer Near Tahoe City Comment
  UC570037  Polygonum sawatchense subsp. oblivium N. French 1934-6-22 478 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  RSA122846  Polygonum sawatchense subsp. oblivium N. H. French 1934-6-22 478 Placer 1/2 mile W of Lake Van Norden. 2134 Comment
  CAS-BOT-BC109255  Polygonum shastense M. E. Parsons 1912-8-25 s.n. Placer Crow Peak Summit. 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
  UCD36667  Polypogon maritimus Beecher Crampton 1955-6-15 2901 Placer Placer County, 1.5 miles west of Iowa Hill. 914 Comment
  CAS-BOT-BC102700  Populus tremuloides John H. Thomas; Hazelle A. Thomas 1956-7-21 6193 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD34052  Populus tremuloides Beecher Crampton 1975-10-14 9322 Placer Placer County, Blue Canyon airport area. 1524 Comment
  UCD72908  Porterella carnosula Albert A. Grigarick 2008-6-17 19 Placer Vicinity of Pole Creek, west of Hwy. 89, SE of Donner Lake. Driving Directions: Int. 80 east to Hwy. 89 South, rt. turn at Pole Creek Rd. 6.3 miles, continue 1.8 miles on Pole Creek Rd. to large marsh on right of road. 2027 Comment
  POM296430  Potamogeton gramineus Lyman Benson 1932-7-31 4013 Placer Donner Lake. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  CAS-BOT-BC452173  Potamogeton gramineus W. R. Dudley 1900-6-29 s.n. Placer By outlet of Lake Tahoe Comment
  CAS-BOT-BC143114  Potentilla breweri C. F. Sonne 1886-7-25 351 Placer Mt. Stanford Comment
  CHSC74254  Potentilla breweri Susi Urie 1998-8-26 98 -117 Placer Lake Tahoe Basin. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCR194962  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2007-5-18 12005 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  CHSC79355  Potentilla glandulosa subsp. reflexa Beecher Crampton 1972-6-20 8827 Placer Upslope from Bear Valley, State Hwy 20. 1402 Comment
  POM366580  Potentilla gracilis var. fastigiata Bonnie C. Templeton 1930-7-5 1518 Placer Near Meek's Bay, Lake Tahoe. 2250 Comment
  UCD44614  Potentilla gracilis var. fastigiata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1980 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR207120  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15235 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UCR229457  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17895 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  SEINET6637126  Potentilla gracilis var. fastigiata F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe Comment
  SEINET6637150  Potentilla gracilis var. fastigiata P. B. Kennedy, Samuel Bradford Doten 1901-8-18 410 Placer Talbots Home Camp, 7 mi from French Meadows Comment
  UC632147  Potentilla gracilis var. fastigiata Beryl O. Schreiber 1932-9-11 769 Placer e Cisco; e of Cisco Comment
  HSC33423  Potentilla gracilis var. flabelliformis Thomas W. Nelson, James Nelson 1974-6-17 1375 Placer Dollar Point N of Lake Tahoe City 1585 Comment
  UC1128227  Potentilla gracilis var. flabelliformis H. S. Yates 1934-6-29 3899 Placer near Tahoe City; Tahoe National Forest, Truckee Quad. 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
  CAS-BOT-BC64621  Primula suffrutescens C. F. Sonne 1897-8-14 s.n. Placer E. slope of Mt. Anderson. Comment
  JEPS13874  Primula suffrutescens C. J. Kraebel 1955-8-19 Placer above Squaw Valley Squaw Mountain (w of the upper Truckee River Canyon); , , w Upper Truckee River Cy 2438 Comment
  CDA6519  Proboscidea lutea J. H. Wilson 1961-8-18 Placer 0 Comment
  SCFS1027  Prunella vulgaris E. Krimmel 2014-7-5 Placer Near the creek. Comment
  SJSU11337  Prunella vulgaris var. lanceolata R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  UCR206718  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15205 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  CAS-BOT-BC163055  Prunus emarginata Mrs. Chas. E. Miller 1916-9-1 s.n. Placer Emigrant Gap Comment
  HSC82944  Prunus emarginata George Oldfield 1985-8-12 Placer Sierra Nevada Mtns. along I-80 near Blue Canyon, 30-35 mi. NE of Aubrun 1555 Comment
  UCD22281  Prunus emarginata Rex Palmer 1979-5-26 N 13 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCD38504  Prunus emarginata Beecher Crampton 1955-7-13 3007 Placer Blue canyon. 1432 Comment
  UCR201929  Prunus emarginata George 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 2149 Comment
  UCD41459  Pseudobahia heermannii Ellen Dean; Davis Botanical Society 2003-5-17 1757 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main Street. 1066 Comment
  UC1118465  Pseudognaphalium thermale G. F. Burks 1934-9-14 44 Placer Truckee River Tahoe National Forest, Truckee Quad., Truckee River 1828 Comment
  CAS-BOT-BC174808  Pseudostellaria sierrae Marcus E. Jones 1882-6-28 3287 Placer Emigrant Gap Comment
  UCD135118  Pseudotsuga menziesii var. menziesii G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11213 Placer Northern Sierra Nevada Mtns foothills; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  UCR232644  Pseudotsuga menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2011-9-30 18346 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  SEINET5334812  Pseudotsuga menziesii var. menziesii J. Vetter 1956-4-16 s.n. Placer On U.S. highway 40, about 1 mile west of Baxter 1067 Comment
  SEINET4691672  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-1 16800 Placer Northern Sierra Nevada Mountains: American Hill Road, 1.2 miles south of its junction with Foresthill Road. 1567 Comment
  UCD136172  Pteridium aquilinum var. pubescens W. R. Russell 1958-9-8 s.n. Placer Along U.S. Highway 40, ca. 1 mile east of Baxter. 1219 Comment
  RSA467856  Pterospora andromedea Wm. Martin 1971-9-10 20264 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UC21689  Pterospora andromedea A. M. Carpenter 1892-8 Placer Comment
  UCD21920  Pterospora andromedea Beth Lowe Corbin 1982-8-23 407 Placer 2 miles WSW of The Cedars. In deep Conifer duff in logged White Fir forest. Stem pinkish. Flowers creme white. Mostly shade. North facing slope, 40% incline. Rare. 2072 Comment
  CAS-BOT-BC460524  Pterospora andromedea Alice Eastwood 1912-6-15 478 Placer Lake Tahoe Region: Deer Park Comment
  JEPS59377  Pterospora andromedea Ezra Brainerd and Viola B. Baird 1915-7-28 125 Placer Bear Rock along trail of the Truckee River 1920 Comment
  UCD22283  Purshia tridentata Rex Palmer 1979-6-9 N 142 Placer Headwaters basin area of the North Fork of the American River. 2255 Comment
  CAS-BOT-BC462895  Pyrola asarifolia Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CDA16038  Pyrola picta G. F. Hrusa, J. Glazner 2000-9-3 15675 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  RSA147866  Pyrola picta J. B. Feudge 1927-7-18 1726 Placer West of Emigrant Gap. 1524 Comment
  UC474247  Pyrola picta G. W. Fetters 1929-8-2 Placer near shore of Lake Tahoe, Pomins Pomins; Lake Tahoe, Pomins Comment
  CAS-BOT-BC466090  Pyrola picta Margaret Williams 1974-8-8 74 -P1-21 Placer Sierra Nevada. Murphy's Meadow, 5 miles SE of Hirschdale 2316 Comment
  CAS-BOT-BC45764  Quercus Gordon H. True 1965-5-18 s.n. Placer Deer Creek, trib. to Truckee River just north of Squaw Valley 1981 Comment
  CAS-BOT-BC45767  Quercus Saichi Kawahara 1969-5-25 901 Placer North of old house, Mel Henderson Ranch, east bank of Indian Creek; section 23 of the Dutch Flat Quadrangle 999 Comment
  UCD47001  Quercus X morehus Enid A. Larson; D. Giuliani 1970-11-23 s.n. Placer (Q. wislizenii A. DC. X Q. kelloggii Newb.). Lower Grays Meadow, Independence Creek, southwest of Independence, Inyo County, California. Comment
  JEPS46635  Quercus chrysolepis H. L. Mason Oct 1932 Placer 3 mi above Colfax Comment
  SACT002609  Quercus chrysolepis Michael Baad 1977-6-2 Placer 853.0 Comment
  SACT002623  Quercus chrysolepis J. Severaid 1959-8-14 Placer Old Foresthill Road Comment
  SACT002626  Quercus chrysolepis Herbert Copeland 1935-3-17 Placer 970.0 Comment
  UCD22469  Quercus chrysolepis Beth Lowe Corbin 1982-8-11 318 Placer 1 2/3 miles SW of Onion Creek campground. 1905 Comment
  SEINET9005676  Quercus chrysolepis W. D. Billings 1940-5-31 1276 Placer 5 miles east of Colfax Comment
  UC119113 Image available Quercus chrysolepis A. Eastwood 1994-9-10 Placer Colfax, Placer Co., Cal. Comment
  CAS-BOT-BC86611  Quercus douglasii Gordon H. True 1971-4-21 6530 Placer Auburn Ravine just W of Lincoln 49 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
  CDA16973  Quercus durata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16026 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SACT002636  Quercus durata Michael Baad 1977-6-21 Placer 1.5 miles south of junction of road to Big Reservoir and Iowa Hill to Forest Hill Road 1158.0 Comment
  SACT002135  Quercus kelloggii Michael Baad 1977-6-1 Placer douglas fir forest and huckleberry oak with openings 1341.12 Comment
  SACT002143  Quercus kelloggii Josephine Van Ess 1976-9-15 Placer collected about 0.5 miles below dam, ravine bank 48.8 Comment
  UC119121  Quercus lobata A. Eastwood 1894-9-9 Placer Newcastle Comment
  SACT002707  Quercus vacciniifolia Michael Baad 1977-6-2 Placer Collected at trail head descending to North Fork of American River from south. 2 km northeast of Westville and north of Forest Hill Divide Road 853.0 Comment
  UC1135818  Quercus vacciniifolia G. T. Nordstrom 1934-6-18 104 Placer 0.25 mi se top of Texas Hill; Tahoe National Forest, Colfax Quad. 1615 Comment
  CAS-BOT-BC104990  Quercus wislizeni Gordon H. True 1971-4-21 6529 Placer Auburn Ravine just W of Lincoln 49 Comment
  UCD47601  Quercus wislizeni K. Kosta; C. Bloomquist 2001-11-1 s.n. Placer Shade leaves rounded like Q. agrifolia. Comment
  CDA19817  Quercus wislizeni var. wislizeni P. Akers 2002-4-14 s.n. Placer Northern California; E end of Clarke Tunnel Rd, N of Penryn. 0 Comment
  UCD47511  Quercus wislizeni var. wislizeni M. H. Mills 1996-4-12 142 Placer Placer County, 5830 Walden Lane, Loomis. T 11N, R 8E, Sect. 19, SW 1/4. 180 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
  UCSB32122  Quercus wislizeni var. wislizeni Pulsifer Ames, Mary; Bingham, R. Placer Auburn Comment
  UCSC009140  Quercus wislizeni var. wislizeni Al Keuter 2015-3-31 10- 05 -2 Placer North Fork American River/SR193 202 Comment
  CAS-BOT-BC362682  Raillardella argentea L. S. Smith 1925-7-15 1682 Placer Tahoe National Forest. French Mdws. near Talbot Camp 1828 Comment
  CAS-BOT-BC379279  Ranunculus alismifolius var. alismellus Alice Eastwood 1909-1-1 279 Placer Lake Tahoe Region, Wards Pass Comment
  UC827594  Ranunculus alismifolius var. alismifolius A. A. Heller 1917-6-19 12731 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC379380  Ranunculus alismifolius var. hartwegii L. S. Smith 1926-4-24 1786 Placer Tahoe Forest, Truckee R.S. 1829 Comment
  CAS-BOT-BC379389  Ranunculus alismifolius var. hartwegii Mrs. Jos. Clemens 1920-4-13 7002 Placer Crescent Mills Comment
  CAS-BOT-BC379433  Ranunculus alismifolius var. hartwegii Margaret Williams 1972-4-23 s.n. Placer 1.8 mi west of Boca Dam on road to Hobart Mills 1768 Comment
  SEINET5338276  Ranunculus alismifolius var. hartwegii P. A. Lehenbauer 1926-4-25 1324 Placer Squaw Creek Comment
  CDA24300  Ranunculus aquatilis var. hispidulus H. R. Danielson 1962-4-28 Placer Highway 99E to Lincoln, ca. 5 miles north of Roseville. 0 Comment
  SEINET5338467  Ranunculus canus P. L. Comanor, B. Clark; B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 mi. from end of railroad bridge on Calif. 194. Winding road, plot located on the right, past parking area, down path approx. 60 meters. Comment
  UCD162599  Ranunculus glaberrimus var. ellipticus Steve Matson 2009-5-9 2201 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, south of Martis Creek; about 1 kilometer SW of Parking area. 1780 Comment
  UC9442  Ranunculus hebecarpus H. N. Bolander 1865-4-16 4575 Placer Forest Hill Comment
  SD114129  Ranunculus hystriculus Darley F. Howe 1965-5-21 4063 Placer On waterfall in canyon on south side of north fork of American River near Forest Hill 456 Comment
  UC732548  Ranunculus occidentalis Lyman Benson 1933-6-26 4552 Placer Donner Lake Sierra Nevada (lower end) 1889 Comment
  UC827908  Ranunculus occidentalis Lewis S. Rose 1940-6-2 40465 Placer 10 mi n Tahoe City; Truckee River 1828 Comment
  UCR257018  Ranunculus occidentalis George K. Helmkamp, Amy Barnes 2014-4-23 22788 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  RSA400016  Ranunculus occidentalis var. eisenii Wm Vortriede 1926-1 s.n. Placer Lake Tahoe. Comment
  CAS-BOT-BC59531  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Placer Squaw Valley 7 miles northwest of Tahoe City 1889 Comment
  CDA25008  Rhamnus alnifolia J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  RSA515510  Rhamnus alnifolia G. H. True 1973-5-27 7498 Placer Deer Creek, 6 miles S of Truckee and 1 mile N of Swuaw Valley. 1890 Comment
Read comments
Jun 29 2014
  SEINET13946287 Image available Rhamnus californica W. A. Weber, Lewis S. Rose 1953-1 8400 Placer 4 mi N of Auburn, 1600 ft alt. 488 Comment
  UCR218447  Rhamnus californica subsp. tomentella George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16422 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
  SBBG27366  Rhamnus ilicifolia C. L. Hitchcock 1940-5-14 6371 Placer Meier Ranch, ca. 6 mi N of Colfax 762 Comment
  UC870819  Rhamnus ilicifolia C. L. Hitchcock 1940-5-14 6371 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  UC870854  Rhamnus rubra A. A. Heller 1917-6-19 12736 Placer Emigrant Gap 1615 Comment
  CDA20996  Rhamnus tomentella subsp. tomentella G. F. Hrusa 1993-11-3 11466 Placer Sierra Nevada; Mosquito Ridge Rd. approx. 12 miles E of Foresthill. 1066 Comment
  UCD150478  Rhodiola integrifolia subsp. integrifolia James A. Neilson Jr. 1971-8-31 2588 Placer Tahoe Basin, south fork of Blackwood Creek. 2438 Comment
  LA41035  Rhododendron occidentale A. A. Heller; 1917-6-19 12743 Placer Sierra Nevada, 8 mi. E of Colfax Comment
  CHSC74094  Ribes inerme var. inerme Susi Urie 1998-8-13 98 -026 Placer Lake Tahoe Basin Management Unit- National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  RSA0021084  Ribes inerme var. inerme Lyman Benson 1942-7-2 11248 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CAS-BOT-BC219175  Ribes nevadense A. A. Heller 1917-6-17 12725 Placer Cisco 1828 Comment
  OBI39807  Ribes nevadense Joy H. Nishida 1985-7-10 778 Placer Homewood Comment
  RSA0023969  Ribes nevadense Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SJSU10511  Ribes roezlii R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  UC974958  Ribes roezlii Lewis S. Rose 1940-6-1 40449 Placer 3 mi nw Tahoe City; Truckee River 1889 Comment
  UCD54623  Ribes roezlii Ellen Dean; John Downs, Brian Ludwig 2006-3-30 2831 Placer Along Secret Town Rd., near railroad overpass trestle, NW of Interstate-80. 914 Comment
  RSA0026923  Ribes roezlii Marcus E. Jones 1900-7-26 s.n. Placer Blue Canyon. 1463 Comment
  CAS-BOT-BC168771  Ribes viscosissimum Margaret Williams 1974-8-8 74 -P1-14 Placer Murphy's Meadow, 5 miles southeast of Hirschdale - Sierra Nevada 2316 Comment
  CAS-BOT-BC168774  Ribes viscosissimum A. A. Heller 1909-7-16 9847 Placer Summit 2133 Comment
  CAS-BOT-BC168777  Ribes viscosissimum Alice Eastwood 1912-6-15 457 Placer Deer Park - Lake Tahoe Region Comment
  UC566249 Image available Ribes viscosissimum N. French 1934-6-22 453 Placer 1/2 mi w Lake Dulzura; Truckee Quadrangle 2133 Comment
  UCD14914  Rorippa Beth Lowe Corbin 1982-8-17 363 Placer California, Placer Co.; 1 2/3 miles southwest of The Cedars; 1813 Comment
  JEPS126366  Rorippa curvisiliqua Steve Matson 1998-6-27 309 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards south south east of junction of Highway 267 and Martis Creek. Comment
  UCR250078  Rorippa nasturtium-aquaticum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20501 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  CAS-BOT-BC146354  Rosa Saichi Kawahara 1969-5-24 842 Placer Near garden Henderson Ranch, Indian Creek 1005 Comment
  POM89568  Rosa bridgesii Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  SEINET7665701  Rosa pisocarpa subsp. ahartii L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  CAS-BOT-BC147019  Rosa woodsii subsp. ultramontana W. R. Dudley 1909-8-23 s.n. Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC147021  Rosa woodsii subsp. ultramontana C. B. Wolf 1931-9-10 2421 Placer Near R.R. between Tahoe Tavern and head of Truckee River (gates) 1920 Comment
  CAS-BOT-BC147024  Rosa woodsii subsp. ultramontana Geo. B. Grant 1906-7-15 6991 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC147110  Rubus glaucifolius G. 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
  RSA0009766  Rubus glaucifolius Marcus E. Jones 1882-6-28 3309 Placer Emigrant Gap. Comment
  UCR231851  Rubus laciniatus George K. Helmkamp, E. A. Helmkamp 2010-8-11 16752 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  CAS-BOT-BC363204  Rudbeckia occidentalis Brandegee No date on label s.n. Placer Blue Canon [Canyon] Comment
  CAS-BOT-BC110490  Rumex Saichi Kawahara 1969-5-24 849 Placer Near garden, Mel Henderson Ranch, east bank of Indian Creek. 585 Comment
  RSA715287  Rumex acetosella George K. Helmkamp 2005-9-30 9941 Placer Northern High Sierra Mtns: Hampshire Rocks Road S of the I80 Rainbow exit (2 miles E of Cisco Grove) 1805 Comment
  UC1136221  Rumex acetosella H. S. Yates 1934-6-29 3879 Placer ner Brockway; Tahoe National Forest, Truckee Quad. 1920 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
  CDA37171  Rumex acetosella CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  SEINET3828372  Rumex crispus George K. Helmcamp, E. A. Helmkamp 2011-1 18483 Placer Sacramento Valley: North Brewer Road, 0.2 mile north of Nicolaus Road, 8.7 mi. west of Lincoln (Sheridan 7.5') 29 Comment
  UCR270369  Rumex salicifolius John F. Emmel 2002-6-23 1758 Placer Sierra Nevada Mountains, northern Lake Tahoe region, US Forest Service Road 16N33 a unnamed creek crossing c. 1 mile west of Griff Creek crossing, 1.4 air miles south and 0.2 air mile west of Martis Peak 2244 Comment
  JEPS73006  Rumex salicifolius var. denticulatus Gladys L. Smith 1972-6-18 3137 Placer meadow across from Alpine Meadows Lodge 2072 Comment
  CHSC72883  Rumex salicifolius var. triangulivalvis L. P. Janeway; Eric Schroder 1998-7-13 5748 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC74215  Sagina saginoides Susi Urie; Eric Schroder 1998-9-8 98 -296 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
  CAS-BOT-BC267083  Sagittaria Brighton C. Cain 1925-8-15 6 Placer 2 miles S of Auburn at Wise Power House Comment
  UC935788  Sagittaria Malcolm A. Nobs 1948-9-25 690 -A Placer n side Auburn Comment
  SEINET5335636  Sagittaria latifolia R. D. Olsen 1949-5-14 15 Placer stream crossing, U.S. highway 40, Roseville city limit 61 Comment
  CAS-BOT-BC103563  Salix eastwoodiae W. R. Dudley 1900-6-14 5071 Placer Woods between Donner Lake and Summit Comment
  CAS-BOT-BC103603  Salix eastwoodiae Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak Comment
  CAS-BOT-BC103615  Salix eastwoodiae W. R. Dudley 1900-6-14 5048 Placer Below the upper dam at Donner Lake Comment
  UC1134848  Salix eastwoodiae B. Bolt 1934-8-22 187 Placer Head of Picayune Creek Truckee Quad. 2286 Comment
  UC1729893  Salix eastwoodiae L. P. Janeway, Eric Schroder 1998-9-16 6324 Placer about 3.7 mi sw of Lake Tahoe (western border of Lily Lake, head of McKinney Creek, Homewood Quadrangle); Lily Lake, McKinney Creek 2164 Comment
  UCD22318  Salix eastwoodiae Rex Palmer 1979-7-11 N 590 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC103754  Salix exigua Marcus E. Jones 1882-6-28 3486 Placer Emigrant Gap Comment
  UC846678  Salix exigua Marcus E. Jones, A. M. 1882-6-28 3486 Placer Emigrant Gap Comment
  CAS-BOT-BC103987  Salix geyeriana W. R. Dudley 1900-6-1 5286 Placer near Independence Lake Comment
  CAS-BOT-BC103988  Salix geyeriana W. R. Dudley 1900-6-1 5352 Placer head of Independence Lake 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
  UC1786426  Salix geyeriana Edward L. Smith 1965-6-11 680 Placer Carnelian Bay, n shore of Lake Tahoe. 1903 Comment
  UCD110810  Salix geyeriana E. L. Smith 1965-6-7 676 Placer Martis Valley, 6 miles southeast of Truckee. 1828 Comment
  UCD43825  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1191 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC477570  Salix lasiandra subsp. lasiandra L. S. Smith 1931-8-27 2626 Placer French Meadows Tahoe Nat'l Forest, French Meadows Comment
  CAS-BOT-BC125291  Salix lasiandra var. lasiandra L. S. Smith 1931-5-22 2 Placer Tahoe National Forest, French Meadows 1828 Comment
  CAS-BOT-BC125294  Salix lasiandra var. lasiandra W. R. Dudley 1900-6-29 5804 Placer Truckee River, below Tahoe City Comment
  CAS-BOT-BC125297  Salix lasiandra var. lasiandra A. A. Heller 1917-6-17 12720 Placer Along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC125298  Salix lasiandra var. lasiandra W. R. Dudley 1909-8-1 s.n. Placer Monte Vista, Dutch Flat Comment
  CHSC13806  Salix lasiolepis E. L. Smith 1971-7-27 1014 Placer W end of Putt Reservoir just e of Blue Canyon Road ca. 2 mi w of Emigrant Gap. 1706 Comment
  UC177224  Salix lasiolepis A. R. Valentien 1914-6-1 Placer Summit Comment
  UCD111642  Salix lasiolepis Michael Persichetty 2007-6-5 1 Placer Alta. North side of Spaulding Point. 1219 Comment
  UCD58334  Salix lasiolepis Michael Persichetty 2007-6-5 1 Placer Alta. North side of Spaulding Point. 1219 Comment
  CAS-BOT-BC107383  Salix lasiolepis var. lasiolepis Alice Eastwood 1922-4-6 s.n. Placer Colfax Comment
  CAS-BOT-BC128473  Salix lasiolepis var. lasiolepis W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat Comment
  CAS-BOT-BC124747  Salix lemmonii W. R. Dudley 1900-6-1 5283 Placer west of Independence Hotel Comment
  CAS-BOT-BC124748  Salix lemmonii A. A. Heller 1917-6-19 12735 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC124771  Salix lemmonii A. A. Heller 1917-6-17 12721 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124772  Salix lemmonii W. R. Dudley 1900-6-14 5067 Placer Between Donner Lake and Summit Comment
  CAS-BOT-BC124774  Salix lemmonii W. R. Dudley 1900-6-14 5069 Placer Between Donner Lake and Summit Comment
  CAS-BOT-BC124777  Salix lemmonii W. R. Dudley 1900-6-14 5123 a Placer Flat north of Lake Mary, near Summit 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
  CHSC74264  Salix lemmonii Susi Urie; Eric Schroder 1998-9-12 98 -353 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
  RSA28830  Salix lemmonii A. A. Heller 1917-6-17 12694 Placer Along the Yuba River below Cisco. 1677 Comment
  UCD22315  Salix lemmonii Rex Palmer 1979-6-21 N 416 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET10412529  Salix lemmonii A. A. Heller 1909-7-16 9842 Placer Summit. 2134 Comment
  SEINET11957674  Salix lemmonii E. L. Smith 1971-1 954 Placer Yuba Gap, 7 km E of Emigranat Gap 1770 Comment
  CDA25006  Salix lucida subsp. lasiandra J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC74124  Salix lucida subsp. lasiandra Susi Urie 1998-8-19 98 -084 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe. Between Kings Beach and Tahoe Vista. 1901 Comment
  POM107016  Salix lucida subsp. lasiandra Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC129085  Salix scouleriana Margaret Williams 1974-8-8 74 -P1-10 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  UC1135081  Salix scouleriana B. Bolt 1934-7-22 157 Placer Chicken Hawk Camp Tahoe Nat'l Forest, Colfax Quadrangle, Chicken Hawk Camp Comment
  UCD22307  Salix scouleriana Rex Palmer 1979-5-26 N 22 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCD22312  Salix scouleriana Rex Palmer 1979-7-12 N 641 Placer Headwaters basin area of the North Fork of the American River Comment
  UC484002  Sambucus mexicana Carl B. Wolf 1930-10-11 1729 Placer 4 mi w Emigrant Gap 1524 Comment
  UCR229555  Sambucus mexicana George K. Helmkamp, E. A. Helmkamp 2011-7-26 17902 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
  RSA531310  Sambucus microbotrys W. Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4545 Placer Squaw Valley beyond upper cable car station. on SW slope below a rocky summit. Comment
  CAS-BOT-BC235192  Sambucus racemosa var. racemosa Mrs. Marian Campbell 1920-6-28 s.n. Placer Lake Tahoe Region. Heather Lake Comment
  CAS-BOT-BC235194  Sambucus racemosa var. racemosa E. A. McGregor 1909-8-13 110 Placer Lake Tahoe Region. Susie Lake 2331 Comment
  RSA0093628  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2012-6-19 19214 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  SD241173  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2011-7-9 17673 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 1.4 miles northwest of the city of Foresthill (Foresthill 7.5'Q) 764 Comment
  SD247498  Sanguisorba minor subsp. muricata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20802 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5'Q) 768 Comment
  UCD21631  Sanicula Rex Palmer 1979-6-9 N 153 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC223278  Sanicula bipinnatifida Kate E. Phelps 1937-5-28 s.n. Placer Applegate Comment
  CDA12010  Sanicula bipinnatifida G. F. Hrusa 1995-5-2 12191 Placer Sierra Nevada; approx. 3 km. E of Foresthill on Mosquito Ridge Rd. 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
  SEINET11155811  Sanicula bipinnatifida D. E. Brix 1962-3-17 s.n. Placer North Fork American River, 3.5 miles NE of Auburn. 518 Comment
  UCR235481  Sanicula crassicaulis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18936 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  JEPS126311  Sanicula graveolens Steve Matson 1998-5-24 194 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; about 1/2 mi north of Highway 267. Comment
  UC174164  Sanicula graveolens C. F. Sonne 1886-6-6 Placer Sierra Nevada Mountains, road to Tahoe Sierra Nevada Mountains Comment
  UCD21633  Sanicula graveolens Rex Palmer 1979-6-21 N 428 Placer Headwaters basin area of the North Fork of the American River. Below Tinker Knob. Comment
  CAS-BOT-BC183655  Sanicula tuberosa G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12062 Placer Northern Sierra Nevada Mountains: Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  POM82765  Sanicula tuberosa Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  SEINET5779691 Image available Sanicula tuberosa L. S. Rose 1941-7-18 41323 Placer Chambers Lodge (McKinney), Lake Tahoe Comment
  UC1123196  Sanicula tuberosa N. French 1934-6-22 485 Placer 1/2 mi w of Lake Van Norden (Tahoe National Forest); Tahoe National Forest 2133 Comment
  UC875539  Sanicula tuberosa A. A. Heller 1917-6-17 12863 Placer below Cisco (along the Yuba River); Yuba River 1676 Comment
  UCD21591  Sanicula tuberosa E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1254 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  UCR190848  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2007-5-23 12062 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  CAS-BOT-BC466338  Sarcodes sanguinea Greg de Nevers 1991-7-24 9760 Placer Ward Creek Valley, S of Sunnyside 1950 Comment
  UC585093  Saxifraga aprica E. B. Babcock, G. L. Stebbins Jr. 1936-6-2 1584 Placer about 3 mi e of Emigrant Gap (between main road and Nevada City Road) 1767 Comment
  SEINET3161168  Saxifraga integrifolia W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  UC115054  Saxifraga odontoloma C. F. Sonne 1897-8-14 Placer canyon above Coldstream; Sierra Nevada Mountains Comment
  POM90720  Saxifraga tolmiei C. F. Sonne 1885-8-23 s.n. Placer Tinker Knob. 2896 Comment
  CDA36899  Scandix pecten-veneris CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  SD240826  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2010-4-17 15876 Placer Foothills, Northern Sierra Nevada Mountains: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 313 Comment
  SEINET10292131  Schoenoplectus pungens R. D. Olson 1949-5-14 19 Placer US Highway 40, Roseville City Limit 61 Comment
  CAS-BOT-BC35624  Scirpus congdonii John Thomas Howell 1943-7-22 18700 Placer Summit Valley Comment
  UCD21844  Scirpus congdonii Rex Palmer 1979-6-20 N 286 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD158886  Scirpus diffusus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 255 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC110996  Scirpus microcarpus Margaret Williams 1974-8-8 74 -P1-11 Placer Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  CAS-BOT-BC110999  Scirpus microcarpus W. R. Dudley 1901-8-16 s.n. Placer Island below falls, Monte Vista, Dutch Flat Comment
  CAS-BOT-BC243507  Scribneria bolanderi Beecher Crampton 1957-5-7 3987 Placer 2 miles north of Lincoln Comment
  UC148967  Scutellaria californica H. M. Hall 1910-6-25 8720 Placer Rattlesnake Creek; Sierra Nevada Mountains, Rattlesnake Creek 1767 Comment
  JEPS26922  Sedum obtusatum C. H. Uhl 1961-5-28 961 Placer crevices in granite ca 100 yds s of U.S. 40 at Donner Pass Summit (behind hiway maintenance shed, just sw of Nevada Co. line) 2164 Comment
  CAS-BOT-BC59070  Sedum spathulifolium Charles von Geldern 1912-5-1 s.n. Placer Cedar Glen Comment
  CAS-BOT-BC62097  Selaginella hansenii Viola N. Poole 1932-5-1 s.n. Placer Auburn Comment
  SEINET6340504  Selaginella scopulorum H. N. Mozingo 1975-9-21 75 -50 Placer Auburn, 2 miles south at junction of north and middle fork of American River, about 150 feet above river. 274 Comment
  CAS-BOT-BC69046  Selaginella watsonii G. Ledyard Stebbins 1969-11-30 6980 Placer Sierra Nevada - American River Canyon 0.5 mile n. of bridge on Colfax - Iowa Hill Road 381 Comment
  UCD21787  Senecio Rex Palmer 1979-5-27 N 111 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC363695  Senecio hydrophilus Alice Eastwood No date on label 297 Placer Squaw Valley, Tahoe region Comment
  HSC35040  Senecio integerrimus var. major Thomas W. Nelson, James Nelson 1974-6-17 1364 Placer Beside Hwy. 80 at its intersection with Blue Canyon Rd., 9 mi. W of the Placer-Nevada County line 1646 Comment
  JEPS126354  Senecio integerrimus var. major Steve Matson 1998-6-21 259 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267. Comment
  CAS-BOT-BC364389  Senecio triangularis A. A. Heller 1919-7-26 13313 Placer Summit meadows west of Donner Pass 2072 Comment
  UC71916  Senecio triangularis C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  UCD43180  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 549 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC364386  Senecio triangularis L. S. Smith 1927-8-5 2153 Placer Tahoe National Forest. Robertson Flat R.S. fenced pasture Comment
  RSA473088  Senecio triangularis B. C. Templeton 1931-7-5 1511 Placer near Meek's Bay. 2280 Comment
  UCD135238  Sequoiadendron giganteum Dennis Chang 1973-5-27 s.n. Placer Placer County Grove Sierra Redwoods, 1 mile south of Mosquito Ridge Road, 25 miles east of Foresthill. 1676 Comment
  UCD22388  Sericocarpus oregonensis subsp. californicus Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1300 Placer Sierra Nevada. Gold Run rest area along Hwy 80 just before exit for Dutch Flat. 762 Comment
  UCD38937  Sericocarpus oregonensis subsp. californicus Beecher Crampton 1961-9-27 6020 Placer Blue Canyon. 1430 Comment
  CDA31823  Sesbania punicea C. Owens 2010-6-29 s.n. Placer Along Bear River, +/- 20 meters downstream from bridge (Highway 65). 0 Comment
  UCD147094  Sesbania punicea Chuck Hughes 2013-5-14 378 Placer Southern margin of Camp Far West Reservoir. 95 Comment
  SACT002087  Setaria glauca Josephine Van Ess 1976-9-29 Placer Amoung rocks, near river, moist area. 182.9 Comment
  UCR259867  Setaria parviflora George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22470 Placer Sacramento Valley, West Wise Road just east of the junction with California Lane, north of Lincoln 56 Comment
  CAS-BOT-BC243630  Setaria pumila Peter H. Raven 1954-8-27 7954 Placer Roseville Comment
  UC889388  Sherardia arvensis C. L. Hitchcock 1940-5-7 6352 Placer ca 1 mi w Baxter Comment
  UCD15606  Sidalcea glaucescens Lisa Montany 1985-5-18 24 Placer Mosquito Ridge Rd, 18.6 miles west of Forest Hill Rd. Comment
  UC718219  Sidalcea hartwegii Carl B. Wolf 1937-5-12 8620 Placer 1 mi n Lincoln; Sacramento Valley, n of Lincoln 45 Comment
  UCD116793  Sidalcea malviflora Ted Niehaus 1959-4-19 69 Placer Yankee Jims diggins, Shirttail Road. Comment
  RSA750431  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2008-8-20 14017 Placer Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  UCR233237  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2011-7-9 17695 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  UCD43172  Sidalcea oregana subsp. hydrophila C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 541 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CDA12412  Sidalcea oregana subsp. spicata G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8540 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CHSC74232  Sidalcea oregana subsp. spicata Susi Urie 1998-8-29 98 -158 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 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
  CHSC79325  Sidalcea oregana subsp. spicata Beecher Crampton 1972-7-26 8838 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  JEPS127466  Sidalcea oregana subsp. spicata Steve Matson 2003-6-29 817 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area. Comment
  UC871499  Sidalcea oregana subsp. spicata Lewis S. Rose 1937-7-29 37614 Placer Tahoe Vista 1905 Comment
  UCD150576  Sidalcea oregana subsp. spicata James A. Neilson Jr. 1971-8-1 2338 Placer Tahoe Basin, Lower Ward Valley. 1935 Comment
  UC465606  Silene californica Katharine Brandegee July 1908 Placer Alta Comment
  UCD98570  Silene csereii Lester J. Berry 1969-5-15 s.n. Placer Foresthill. Charles Finning Property. Comment
  UCD98668  Silene gallica M. H. Mills 1996-4-12 143 Placer along roadside at 5830 Walden lane, Loomis. 180 Comment
  CAS-BOT-BC541422  Silene invisa G. Ledyard Stebbins; Charlotte Pyles 1979-7-31 s.n. Placer North slope of ridge betweejn Soda Springs, on North Fork American River, and Peak 2346 Comment
  UCD164612  Silene laciniata subsp. californica Brandi Sorensen 1995-6-1 19 Placer .73 kilometers northwest of Colfax. 671 Comment
  CAS-BOT-BC389369  Silene lemmonii Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap Comment
  POM100920  Silene lemmonii Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC181355  Silene occidentalis F. Almeda 1993-7-25 7303 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 Comment
  UC311417  Silene occidentalis subsp. occidentalis Marcus E. Jones, A. M. 1882-6-30 Placer Emigrant Gap Comment
  UCR47349  Silene occidentalis subsp. occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco. 1800 Comment
  CAS-BOT-BC438824  Silene vulgaris George K. Helmkamp; Mary Alice Barnes 2013-5-3 20462 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  SD247392  Silene vulgaris George K. Helmkamp, Mary Alice Barnes 2013-5-3 20462 Placer Foothills, northern Sierra Nevada Mountains: southwest edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest hill Road. 974 Comment
  SD81040  Sisymbrium altissimum Darley F. Howe 1971-7-3 Placer Truckee 2000 Comment
  SACT002209  Sitanion hystrix Michael Baad 1983-9-3 Placer Collected from west slope of Mount Judah to saddle between Mount Judah and Mount Lincoln. 2529.0 Comment
  SACT002226  Sitanion hystrix D. Meyer 1983-9-10 Placer Collected at west end of meadow near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT002238  Sitanion hystrix Michael Baad 1976-8-12 Placer Southwest of Emigrant Peak along Shirley Lake Ski Lift. 2316.0 Comment
  SACT002253  Sitanion jubatum Michael Baad 1977-6-21 Placer Two miles north of junction of road. Extensive serpetine outcrop. 1158.0 Comment
  SACT002256  Sitanion jubatum Michael Baad 1976-6-3 Placer Descending towards Middle Fork on road from Forest Hill to French Meadows. 1.5 miles east of Forest Hill. 701.0 Comment
  SACT002258  Sitanion jubatum Michael Baad 1977-6-8 Placer 1.3 miles southwest of Volcano Canyon on road between Forest Hill and French Meadows, roadside in serpentine. Comment
  CDA5900  Solanum carolinense J. C. Henderson, K. Stark 1971-7-16 Placer Sierra Nevada; Southern Pacific Railroad tracks, Colfax. Comment
  CAS-BOT-BC156841  Solanum umbelliferum J. T. Howell 1943-7-25 18806 Placer West side of Donner Pass near Norden 2134 Comment
  UC710562  Solanum umbelliferum John Thomas Howell 1943-7-25 18806 Placer w side of Donner Pass near Norden; Donner Pass 2133 Comment
  UC884983  Solanum umbelliferum P. A. Lehenbauer 1935-6-18 Placer near Tahoe City 1898 Comment
  CAS-BOT-BC133794  Solanum umbelliferum C. F. Sonne 1886-7-18 s.n. Placer R.R. canyon on Truckee River near Vicksburg Tunnel Comment
  JEPS71535  Solanum xanti Gladys L. Smith 1972-6-21 3283 Placer roadbank going into Alpine Meadows 2072 Comment
  SEINET6186063  Solanum xanti A. Beninghoff 1930-3-15 2820 Placer Virginia Tower Comment
  RSA473635  Solidago californica Wm. Martin 1971-9-10 20243 Placer 1 mile north of Gold Run on Hwy. 80 991 Comment
  UCR201521  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2008-8-20 14014 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  CAS-BOT-BC365502  Solidago elongata M. S. Jussel 1928-7-22 s.n. Placer Velma Falls, Lake Tahoe region Comment
  CAS-BOT-BC365508  Solidago elongata Mrs. H. M. Mitchell 1925-7-1 s.n. Placer Gold Run Comment
  UC1070239  Solidago elongata B. Bolt 1934-8-22 186 Placer Grayhorse Flat Truckee Quad., , Grayhorse Flat (Tahoe National Forest) Comment
  SCFS11529127  Solidago velutina subsp. californica E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing in a drying stream bed. Comment
  UCD21789  Solidago velutina subsp. californica Beth Lowe Corbin 1982-8-25 423 Placer 2 miles SW of Onion Creek campground. 1965 Comment
  SEINET9327121  Soliva sessilis Unknown 2002-5-27 271 Placer Shady lawn next to parking lot to American River Bike Trail to Folsom Lake State Rec Area. UTM: 10S 4285645 N, 0659288 E Comment
  CDA7650  Soliva sessilis M. K. Bellue 1947-3-22 Placer Lost Lake. 0 Comment
  CAS-BOT-BC366000  Sonchus asper Gordon H. True 1968-7-10 4367 Placer Hwy. 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Road 1554 Comment
  UC861955  Sorbus californica Lewis S. Rose 1940-5-29 40421 Placer Cisco 1737 Comment
  SEINET7707311  Sorbus californica A. A. Heller 1909-7-16 9835 Placer Summit 2134 Comment
  UCR233270  Spartium junceum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17679 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  NY482325  Spergularia bocconi E. J. Neese 1985-10-1 17298 Placer Gold Run rest stop along I-80 between Sacramento and Reno Comment
  CAS-BOT-BC390678  Spergularia rubra A. A. Heller 1917-6-17 12723 Placer Cisco 1828 Comment
  SEINET5337300  Spergularia villosa S. Brent 1972-10-8 s.n. Placer Auburn, American River. 427 Comment
  UC1128697  Spiraea densiflora B. Bolt 1934-7-17 131 Placer Robertson Flat; Tahoe National Forest, Colfax Quad. 2011 Comment
  CAS-BOT-BC152530  Spiraea splendens unspecified 1912-1-6 97 Placer Tahoe Forest 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
  CHSC74328  Spiranthes porrifolia Susi Urie 1998-8-27 98 -126 Placer Middle of Page Meadows; about 2 miles west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD150748  Spiranthes romanzoffiana James A. Neilson Jr. 1970-8-28 1861 Placer Tahoe Basin, Paige meadows. 2103 Comment
  SEINET7978202  Stachys rigida var. rigida K. Thorne, J. Chandler 1987-6-26 5435 Placer Truckee River Comment
  UCD75771  Stellaria longipes subsp. longipes Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5243 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
  SEINET5337367  Stellaria media L. Killinger 1962-3-17 s.n. Placer 3 miles east of Auburn on north fork of American River. 396 Comment
  JEPS72173  Stenotus acaulis Gladys L. Smith 1972-6-20 3214 Placer Ward Peak in gravel on open plateau about terminus of Summit Chairlift 2621 Comment
  UC197335  Stenotus acaulis C. F. Sonne 1897-7-18 Placer Truckee Knob 2743 Comment
  SEINET2443005  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2009-8-12 15455 Placer Northern Sierra Nevada Mountains. Forest Hill Road, 21.7 miles northeast of the city of Foresthill.; 0 1701 Comment
  SACT002325  Stipa californica D. Meyer 1984-9-23 Placer Dry rocky summit of north-facing slope. 2109.0 Comment
  SACT002343  Stipa columbiana Michael Baad 1983-7-23 Placer Collected south of airport along northeast side of Highway 267 1767.84 Comment
  SACT002346  Stipa elmeri D. Meyer 1984-9-9 Placer Comment
  SACT002388  Stipa occidentalis Michael Baad 1976-7-17 Placer 1 mile west of Alpine Meadows Ski Area on trail to Five Lakes open brush slopes. 2072.0 Comment
  RSA0115162  Stipa occidentalis var. californica Lyman Benson 1947-8-12 12794 Placer Near Emigrant Gap. Mt. Range: Sierra Nevada. 1219 Comment
  SEINET10893292  Stipa stillmanii Smith 1931-6-21 Smith 2557 Placer Shallow, loose, loam soil. East slope. trail below pine Nut, Duncan Canyon; ca 11 miles east 9northeast) of Michigan bluff 1524 Comment
  UC477509  Streptanthus polygaloides L. S. Smith 1930-7-7 2514 Placer w slope Tahoe Nat. Forest, Forest Hill Dist. 1066 Comment
  UCD116301  Streptanthus tortuosus Robert E. Preston 1984-6-13 459 Placer 4 km west of Sunnyside. 2044 Comment
  UCD22382  Streptanthus tortuosus Rex Palmer 1979-6-19 N 259 Placer Headwaters basin area of the North Fork of the American River 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
  JEPS32511  Styrax officinalis var. redivivus Alice King 1920-1 Placer Rattlesnake Bend Comment
  UCD14627  Styrax redivivus Deanna Lynn Pfleger 1989-5-20 24 Placer California, Placer Co.; 30 miles from Auburn along Mosquito Ridge Road; 707 Comment
  UCD15639  Styrax redivivus Rachelle Raymond 1989-5-20 802 Placer Forest Hill Rd. 701 Comment
  JEPS126375  Symphoricarpos mollis Steve Matson 2004-7-1 1063 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  JEPS21741  Symphoricarpos mollis Marcus E. Jones, A. M. 1882-6-27 3292 Placer Emigrant Gap 1584 Comment
  CAS-BOT-BC245735  Symphoricarpos rotundifolius C. F. Sonne 1886-7-18 s.n. Placer Truckee River, Sierra Nevada Mts. Comment
  SBBG7649  Symphyotrichum ascendens E. R. Blakley 1960-9-3 3813 Placer Kings Beach, Lake Tahoe 1905 Comment
  UCD43888  Symphyotrichum bracteolatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1254 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET9289579  Symphyotrichum eatonii Unknown 2000-9-3 15665 Placer Placer Comment
  UC615396  Symphyotrichum foliaceum Beryl O. Schreiber 1933-9-11 763 Placer road to Summit Comment
  CHSC69864  Symphyotrichum spathulatum var. spathulatum L. P. Janeway; Eric Schroder 1997-7-17 5251 Placer Meadow on southeast side of Fulda Creek at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 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
  UCD21792  Taraxacum officinale Rex Palmer 1979-5-27 N 51 Placer Headwaters basin area of the North Fork of the American River Comment
  POM82681  Tauschia kelloggii Marcus E. Jones 1882-7-4 s.n. Placer Colfax Comment
  CAS-BOT-BC85265  Taxus brevifolia W. R. Dudley 1909-7-1 s.n. Placer Dutch Flat Comment
  UC1134377  Taxus brevifolia N. French 1933-10-18 107 Placer Yankee Jim Colfax Quad., Yankee Jim 609 Comment
  UC858892  Tellima grandiflora Marcus E. Jones, A. M. 1882-7-1 2710 Placer Emigrant Gap Comment
  UC20474  Tetrapteron graciliflorum H. N. Bolander 1865-4-13 4564 Placer New Castle Comment
  JEPS45854  Thalictrum fendleri L. S. Smith 1931-6-3 2552 Placer below Duncan Fork; Tahoe <National> Forest, Flat Ravine 1981 Comment
  CDA13673  Thalictrum fendleri var. fendleri G. F. Hrusa, J. Glazner 1997-8-3 14033 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCD42833  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 199 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC72885  Thalictrum sparsiflorum L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5767 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  SBBG45226  Thysanocarpus curvipes Leota Davidson 1966-5-3 416 Placer mtn side of Eldorado County line bridge, near Auburn Comment
  CAS-BOT-BC67320  Thysanocarpus radians Carl B. Wolf 1937-3-30 8355 Placer Sacramento Valley, 2 miles north of Lincoln. 53 Comment
  CAS-BOT-BC67322  Thysanocarpus radians Peter H. Raven 1954-4-16 6600 Placer 7 miles south of Lincoln on road to Roseville. Comment
  CHSC96505  Thysanocarpus radians Lowell Ahart; Brian Williams 2007-4-13 13671 Placer Waste area about 50 yards north of the Manzanita Cemetery, about 3 1/3 miles north of Lincoln. 37 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
  UCR250354  Torilis arvensis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20492 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  SEINET4178564 Image available Torilis arvensis George Helmkamp, E. A. Helmkamp 2010-6-26 Placer Sierra Nevada Mtns Foothill, Jct of Canyon Way and Yankee Jim's Rd. 616 Comment
  UCD133442  Torreya californica Eric Brenner; John Hunter 1996-5-26 4 Placer Placer County, Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UC191385  Toxicodendron diversilobum C. F. Sonne May 17 1891-Jun 7 1891 Placer between Colfax and (fr - June 7.) Gold Run (below Auburn (fls.- May 17)) Comment
  UC191386  Toxicodendron diversilobum C. F. Sonne 1891-5-17 Placer between Colfax and Gold Run Comment
  UCR257640  Trichostema lanceolatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-13 20016 Placer Sacramento Valley, Granite Bay, Folsom Lake; Park Road 1.8 miles north of the east end of Douglas Blvd. 146 Comment
  CDA15935  Trichostema oblongum G. F. Hrusa, J. Glazner 1999-7-17 15158 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS14347  Trichostema oblongum Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, F. Ehrendorfer and H. Stutz 1952-7-20 3884 Placer 7 mi E of Iowa Hill (S slope of hill just S of Shirttail Public Camp); Tahoe Naational Forest 1158 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
  UCR235378  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2012-5-11 18960 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road 1140 Comment
  SD62087  Trientalis latifolia Darley F. Howe 1965-5-21 4061 Placer Canyon, north side of American River between Forest Hill and Yankee Jims 914 Comment
  UCR177232  Trifolium George K. Helmkamp, E. A. Helmkamp 2005-9-30 9966 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
  CDA36374  Trifolium campestre G. K. Helmkamp, E. A. Helmkamp 2009-5-7 14619 Placer Sierra Nevada Mountains Foothills; Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir. Comment
  UCR194934  Trifolium ciliolatum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12019 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UCD33052  Trifolium depauperatum Beecher Crampton 1966-4-14 7648 Placer 2.5 miles east of Lincoln. Comment
  UCD108825  Trifolium dubium G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10453 Placer Northern Sierra Nevada. Ca. 4 air miles NE of Auburn, along an unnamed road to Lake Clementine, 1.2 miles N of Forest Hill Road. 422 Comment
  UCR253553  Trifolium dubium George K. Helmkamp, Amy Barnes 2014-4-23 22805 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
  SD62072  Trifolium dubium D. F. Howe 1965-5-21 4066 Placer Canyon on south side of north fork of American River between Forest Hill and Yankee Jims 914 Comment
  CAS-BOT-BC257794  Trifolium glomeratum George K. Helmkamp; E. A. Helmkamp 2011-6-2 17457 Placer Northern Sierra Nevada Mountains Foothills: along CA-49 southeast of Auburn at a trail entrance to the Auburn State Recreation Area 354 Comment
  UCD163054  Trifolium glomeratum Robert E. Preston 2014-4-22 2958 Placer 1.8 mi SE of Sheridan, on terraces adjacent to Yankee Slough, E of old Hwy 65. 30 Comment
  RSA0107421  Trifolium hirtum George K. Helmkamp, Amy Barnes 2014-3-21 22643 Placer Sacramento Valley: Sheridan, Riosa Road at the west side of its junction with old CA-65. 33 Comment
  RSA782369  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2010-4-23 15907 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  SEINET11261554  Trifolium hirtum George Helmkamp, E. A. Helmkamp 2011-4-10 17156 Placer In Sacramento Valley along Riosa Road at the E edge on the village of Sheridan.; 0 41 Comment
  CDA4332  Trifolium hybridum Hanley 1956-6-2 Placer Roseville/Lincoln. 0 Comment
  UCR253129  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-4-23 22809 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  UC630945  Trifolium kingii var. productum A. A. Heller 1919-7-25 13301 Placer below Cisco (near the Yuba River) Comment
  UC630803  Trifolium longipes var. hansenii L. S. Smith 1916-6 652 Placer Squaw Valley Comment
  CHSC96465  Trifolium microcephalum Lowell Ahart; Brian Williams 2007-4-13 13646 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
  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
  UCD111457  Trifolium microcephalum R. Tofsrud 1951-7-11 s.n. Placer Cisco Grove. 1524 Comment
  UCD43176  Trifolium monanthum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 545 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC631285  Trifolium monanthum subsp. parvum A. A. Heller 1919-7-25 13296 Placer below Cisco (near the Yuba River) Comment
  UC148970  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-3 8737 Placer New Emigrant Gap Sierra Nevada Mtns 1645 Comment
  CAS-BOT-BC230183  Trifolium productum Kellogg No date on label s.n. Placer Cisco Comment
  UCD43024  Trifolium variegatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 393 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SD255759  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. 32 Comment
  JEPS127437  Trifolium wormskioldii Steve Matson 2003-6-29 817 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267. Comment
  UCD44594  Trifolium wormskioldii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1960 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SBBG29894  Trillium chloropetalum C. L. Hitchcock 1906-5-7 6306 Placer ca. 1 mi W of Baxter Comment
  SEINET7067116  Triphysaria eriantha A. G. Vestal 1947-4-29 s.n. Placer About 3.3 miles north of Auburn on Route 49. Coordinate datum: NAD27. Comment
  UCD123396  Triphysaria eriantha M. Vincent 1965-4-11 604 Placer 1 mile north of Marysville on Hwy. 99E. 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
  SEINET13750242  Triphysaria eriantha P. A. Lehenbauer 1937-4-11 s. n. Placer Auburn Comment
  UC219134  Triphysaria eriantha subsp. eriantha unknown May, 1891 Placer Auburn Comment
  UCR206357  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2009-3-11 14386 Placer Sacramento Valley, Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  UCR231892  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2011-4-10 17143 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  UCR198418  Triphysaria pusilla George K. Helmkamp, E. A. Helmkamp 2008-4-17 13286 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  CDA15658  Trisetum canescens G. F. Hrusa, J. Glazner 1999-7-18 15195 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  SACT002430  Trisetum canescens D. Meyer 1984-7-9 Placer Collected on south side of reservoir, shaded area. 1600.0 Comment
  SACT002431  Trisetum canescens D. Meyer 1984-7-29 Placer Road south of reservoir, moist shady north-facing slope 1612.0 Comment
  UCD94007  Trisetum projectum Beecher Crampton 1964-7-21 7115 Placer Placer County, 1/2 mile W.N.W. of Cisco Grove, US Hwy. 40. 1706 Comment
  JEPS75237  Trisetum spicatum Gladys L. Smith 1972-8-25 3418 Placer Granite Chief 2651 Comment
  SACT002451  Trisetum spicatum Michael Baad 1976-8-19 Placer 2 air miles northwest of Squaw Valley Comment
  SACT002459  Trisetum spicatum D. Meyer 1984-8-4 Placer 9.6 km north of Hell Hole overlooking French Meadows 1879.0 Comment
  SACT002450  Trisetum spicatum var. projectum Michael Baad 1976-7-22 Placer Northwest face of Lyon Peak to crest. 10 miles southwest of Soda Springs. 2377.0 Comment
  CAS-BOT-BC200452  Trisetum wolfii John Thomas Howell 1943-7-19 18568 Placer Summit Valley 2133 Comment
  POM260014  Triteleia bridgesii C. L. Hitchcock 1940-5-15 6402 Placer 6 miles north of Colfax. 762 Comment
  UCD43208  Triteleia hyacinthina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 577 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43237  Triteleia hyacinthina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 606 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC522021  Triteleia hyacinthina Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CAS-BOT-BC522022  Triteleia hyacinthina Eliz. Parsons Hawver 1915-5-1 s.n. Placer Auburn Comment
  UC421765  Triteleia hyacinthina Francis Ramaley 1917-4-13 11105 1/2 Placer Lincoln Comment
  SEINET7724235  Triteleia ixioides Unknown Placer Summit Comment
  CAS-BOT-BC524217  Triteleia ixioides subsp. anilina John H. Thomas; Hazelle A. Thomas 1956-7-21 6138 Placer Donner Pass, 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC524220  Triteleia ixioides subsp. anilina W. W. P. 1909-7-16 s.n. Placer Red Point 2133 Comment
  SBBG45679  Triteleia ixioides subsp. scabra Leota