Search Results — 2000 specimen records retrieved (1651 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78091  Abies magnifica Baki Kasapligil 1974-1-19 4770 Placer Lake Tahoe Comment
  JEPS47992  Abies magnifica var. magnifica J. C. Hawver 1908-9-1 Placer Donner Comment
  SCFS11529149  Acer glabrum E. Krimmel 2014-6-26 Placer Road cut Comment
  CAS-BOT-BC331011  Acer glabrum var. glabrum A. A. Heller 1917-6-19 12730 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC331013  Acer glabrum var. glabrum James R. Shevock 1985-8-9 11337 Placer Western slope of the northern Sierra Nevada. Tahoe National Forest, Granitie Chief Wilderness. Along trail 16E10 above Picayune Valley 2200 Comment
  CAS-BOT-BC331014  Acer glabrum var. glabrum Emily K. Mcpherson 1976-6-12 s.n. Placer Sierra Nevada. Loch Leven Lakes Comment
  UC1125389  Achillea millefolium H. S. Yates 1934-6-29 382 Placer near Brockway; Truckee Quad. 1920 Comment
  CAS-BOT-BC210685  Achnatherum lemmonii Saichi Kawahara 1969-7-6 852 Placer Near garden, Mel Henderson Ranch, Indian Creek 1005 Comment
  UCD22220  Achnatherum lemmonii Beth Lowe Corbin 1982-8-9 286 Placer 1/2 mile SW of Onion Creek Campground. S facing slope, 15% incline. Uncommon. Full sun. In rocky, fine, sandy soil. Open, logged, mixed conifer forest. Perennial. Leaves pale, bluish. 1767 Comment
  UCD50463  Achnatherum lemmonii G. L. Stebbins Jr. 1941-7-16 3175 Placer Rocky ledges along U.S. Highway no. 40, 1 mile west of Cisco Grove. Placer County. 1706 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
  CAS-BOT-BC210834  Achnatherum occidentale subsp. californicum G. W. Dunn No date on label s.n. Placer Emigrant Gap 1524 Comment
  CAS-BOT-BC210836  Achnatherum occidentale subsp. californicum C. G. Pringle 1882-9-20 s.n. Placer Summit Valley, Sierra Nevada Mts. 2438 Comment
  CAS-BOT-BC210838  Achnatherum occidentale subsp. californicum No date on label 12889 Placer Summit Station 2121 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
  RSA126821  Achnatherum occidentale subsp. occidentale H. S. Yates 1936-8-9 5982 Placer 1.5 mi SW of Martis Plc. 2348 Comment
  UC1133192  Achnatherum occidentale subsp. occidentale H. S. Yates 1936-8-9 5982 Placer 1 1/2 mi sw Martis Pk.; Tahoe National Forest, Truckee Quadrangle 2346 Comment
  CDA16992  Achnatherum stillmanii G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16045 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CHSC40962  Achnatherum stillmanii J. D. Jokerst 1984-6-23 2067 Placer In canyon of the Middle Fork American River. 1158 Comment
  UCD54020  Achnatherum stillmanii G. F. Hrusa; B. Meese 1997-3-26 13791 Placer Italian Bar Trail, N-facing slope to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. 900 Comment
  CAS-BOT-BC29927  Achyrachaena mollis Gordon H. True 1971-5-26 6544 Placer Valley Grassland, northern limits of Lincoln 48 Comment
  UCD103810  Acmispon americanus var. americanus A. A. Heller 1917-8-12 12872 Placer Southern Pacific reservoir west of Emigrant Gap in coarse. Comment
  UCD103824  Acmispon americanus var. americanus G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11218 Placer Northern Sierra Nevada Mtns; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  CHSC91778  Acmispon nevadensis G. F. Hrusa; J. Glazner 2000-7-1 15626 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. [Lat./long. on label is '39 22 N; 120 15 W']. 1844 Comment
  SD240993  Acmispon nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17854 Placer Northern Sierra Nevada Mountains Foothills: Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mile NE (65a^z) of Emigrant Gap (Blue Canyon 7.5'Q) 1590 Comment
  UCD38489  Acmispon parviflorus Beecher Crampton 1955-6-15 2918 Placer 8 miles west of Forest Hill. Comment
  UC465623  Aconitum columbianum J. A. DeCon 1900-8-5 453 Placer Tahoe, McKinneys Comment
  UC853409  Aconitum columbianum A. A. Heller 1917-8-13 12882 Placer Summit valley 2118 Comment
  UCD44430  Aconitum columbianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1796 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET5337506  Aconitum columbianum P. A. Lehenbauer 1932-9-11 1469 Placer Carnelian Bay, Tahoe. Comment
  CDA6764  Acroptilon repens T. C. Fuller 1964-9-1 12572 Placer Sierra Nevada; North edge of freeway Interstate 80 from Donner Summit, 0.1 mile west of Blue Canyon Road. Comment
  OBI39838  Adenocaulon bicolor Joy H. Nishida 1985-7-10 790 Placer Homewood 1829 Comment
  UCD112618  Adenostoma fasciculatum G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10716 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
  UCR173772  Adenostoma fasciculatum George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10716 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  UCR173254  Adiantum jordanii George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10451 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  CDA42825  Aegilops triuncialis G. F. Hrusa, M. Pitcairn 2015-7-16 18648 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  UC128215  Agastache urticifolia Miss Harriet A. Walker 1908-7-25 1383 Placer Cisco 1810 Comment
  UC86229  Ageratina occidentalis C. F. Sonne 1894-9-2 Placer mountain summits above Summit Station; The Sierra Nevada Mountains 2438 Comment
Read comments
Aug 2 2009
  UCD21769  Ageratina occidentalis Beth Lowe Corbin 1982-8-13 338 Placer 1 1/3 mile SSW of Onion Creek campground. 1645 Comment
  POM58925  Ageratina occidentalis A. M. Carpenter 1892-8-9 s.n. Placer [Unspecified] Comment
  CAS-BOT-BC15491  Agoseris X elata Alice Eastwood 1909-1-1 141 Placer Sand Harbor Comment
  CAS-BOT-BC21388  Agoseris aurantiaca var. aurantiaca Alice Eastwood 1909-1-1 198 Placer Sunnyside Comment
  UC449602  Agoseris aurantiaca var. aurantiaca Miss Helen D. Geis Jun 1 1912-Jul 1 1912 196 Placer Deer Park Deer Park Comment
  CAS-BOT-BC13324  Agoseris retrorsa L. S. Smith 1926-5-25 1835 Placer Tahoe National Forest. Mosquito Ridge below Dollar Camp Comment
  CAS-BOT-BC110752  Agropyron cristatum T. C. Fuller 1964-9-1 12574 Placer Sierra Nevada. North side of Interstate 80 freeway from Donner Summit, 0.1 mile west of Blue Canyon Road. 1524 Comment
  CDA1687  Agropyron desertorum T. C. Fuller 1964-9-1 12574 Placer Sierra Nevada; 0.1 mile west of Blue Canyon Road, north side of Interstate 80 freeway from Donner Summit. Comment
  SACT000057  Agropyron smithii Josephine Van Ess 1977-6-9 Placer Open area at edge of abandoned orchard. glaucous green. 243.9 Comment
  SACT000065  Agropyron trachycaulum D. Meyer 1984-7-21 Placer 2.88 km from Placer County line, sagebrush type vegetation 1758.0 Comment
  SACT000070  Agropyron trachycaulum D. Meyer 1983-8-7 Placer Along Truckee River, east bank 1879.0 Comment
  SEINET3282797 Image available Agrostis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15430 Placer Sierra Nevada Mountains; Forest Hill Road, 20.5 miles northeast of the city of Foresthill. 1662 Comment
  UCR241350  Agrostis George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19813 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
  UCD51773  Agrostis avenacea Beecher Crampton 1953-5-26 1339 Placer Sunnybrook Farms, Lincoln. Comment
  JEPS102472  Agrostis exarata Lowell Ahart 2001-10-10 9360 Placer French Meadows Reservoir, about 1/4 mile NE of boat or trail access area on NW side of reservoir, about 3/4 mile SW of bridge across Middle Fork of American R, about a 1 3/4 mi SW of Ahart Camp, about 22 mi (air) NE of Forest Hill. 1591 Comment
  SACT000089  Agrostis exarata D. Meyer 1983-9-10 Placer Moist streambank and meadow 1879.0 Comment
  SEINET3282796 Image available Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15207 Placer Sierra Nevada Mountains; Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  UCD33607  Agrostis exarata Beecher Crampton 1970-6-26 8640 Placer Placer County, Gold Run. 914 Comment
  UCD52335  Agrostis exarata E. Wilson 1935-8-12 s.n. Placer 2 miles above Cisco Grove. Comment
  UCR206677  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15191 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCR249606  Agrostis exarata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20838 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  UCD36658  Agrostis exarata var. monolepis Beecher Crampton 1955-6-15 2886 Placer Placer County, Bunch Canyon, 3 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  RSA654890  Agrostis gigantea G. Fred Hrusa, J. Glazner 1997-8-3 14038 Placer Corner of Hwy 89 & Squaw Valley Road., 39 deg 12' N, 120 deg 12' W. 2000 Comment
  CAS-BOT-BC139002  Agrostis pallens 12892 Placer Summit Station. 2121 Comment
  UCD53210  Agrostis pallens A. A. Heller 1919-7-25 13305 Placer near the Yuba river below Cisco. 1676 Comment
  CHSC73247  Agrostis scabra L. P. Janeway 1998-8-6 5992 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  SACT000150  Agrostis scabra D. Meyer 1983-9-10 Placer moist streambank and meadow 1879.0 Comment
  UCD36712  Agrostis scabra Beecher Crampton 1955-7-13 2997 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  JEPS45798  Agrostis stolonifera Eleanor Armstrong 1932-9-9 205 Placer 6 mi e Truckee 1371 Comment
  UCD36706  Agrostis stolonifera Beecher Crampton 1955-7-13 2989 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  SACT000199  Agrostis stolonifera var. major D. Meyer 1984-9-9 Placer east fork of the north fork of the north fork of the American River 1394.0 Comment
  SACT000205  Agrostis stolonifera var. major D. Meyer 1984-8-4 Placer very wet, roadside ditch, hillside seeping water and shady. 1454.0 Comment
  SACT000225  Agrostis thurberiana Michael Baad 1976-8-12 Placer On the ridge btw Emigrant Peak and Granite Chief north to Mt Meadows Lake northwest of Granite Chief. 2438.4 Comment
  SACT000245  Agrostis variabilis D. Meyer 1984-9-23 Placer Dry rocky top of north-facing slope 2315.0 Comment
  SACT000250  Agrostis variabilis Michael Baad 1983-8-21 Placer On road to Kidd and Cascade Lakes 2.4 miles southwest of Soda Springs exit off of Interstate 80 2019.0 Comment
  UCD55628  Agrostis variabilis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 Comment
  UCD55713  Aira caryophyllea Beecher Crampton 1953-4-13 1098 Placer 1 mile north of Lincoln, along railroad property. Comment
  UCD55785  Aira caryophyllea August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  UCSB34809  Aira caryophyllea Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65 Comment
  RSA261493  Alisma triviale Karla Zancai 1972-5-13 48 Placer Hwy 65, 0.5 mi N of Lincoln City limits. Comment
  POM269026  Allium campanulatum Lyman Benson 1942-7-2 11256 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  JEPS61498  Allium campanulatum Leland S. Smith 1928-6-15 2354 Placer e of road, Big Bend Ranger Station Tahoe Forest, Big Bend Ranger Station 1767 Comment
  UC120013  Allium campanulatum C. F. Sonne 1895-7-25 Placer w slope Washoe Mts. Sierra Nevada Mountains, Washoe Mts. Comment
  UCD22040  Allium obtusum Rex Palmer 1979-6-21 N 365 Placer Headwaters basin area of the North Fork of the American River Comment
  UC188711  Allium peninsulare var. peninsulare C. F. Sonne May 1891 Placer Newcastle Comment
  CAS-BOT-BC474087  Allium platycaule John H. Thomas; Hazelle A. Thomas 1956-7-21 6091 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  CAS-BOT-BC474083  Allium platycaule L. Smith 1926-5-26 1873 Placer Duncan Canyon above Forks, Tahoe Forest 1676 Comment
  CAS-BOT-BC474084  Allium platycaule A. Kellogg 1870-6-1 s.n. Placer Cisco, Sierra Nevada Mountains Comment
  CAS-BOT-BC474086  Allium platycaule C. F. Sonne 1885-6-2 307 Placer Shingle Mill on Truckee River [location determined by other handwritten records], Sierra Nevada Mts Comment
  CHSC40964  Allophyllum divaricatum J. D. Jokerst 1984-6-19 2059 Placer North of Long Canyon Cr, E of Blacksmith Flat. 1127 Comment
  UCD72507  Allophyllum divaricatum Ellen Dean 2006-5-22 3143 Placer Above north fork of the American River on N side of Foresthill Bridge. 274 Comment
  RSA795078  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18184 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UC197391  Allotropa virgata C. F. Sonne Jul 1897 Placer Canyon about Schafers mill near Truckee Comment
  OBI39836  Alnus incana Joy H. Nishida 1985-7-10 793 Placer Homewood, Red fir forest 1829 Comment
  CAS-BOT-BC171260  Alnus incana subsp. tenuifolia E. R. Blakley 1960-9-3 3820 Placer King's Beach. Lake Tahoe 1905 Comment
  SBBG1283  Alnus incana subsp. tenuifolia E. R. Blakley 1960-9-3 3820 Placer Kings Beach, Lake Tahoe 1905 Comment
  SBBG55742  Alnus incana subsp. tenuifolia D. Keil 1978-7-23 12922 Placer Cisco Grove exit from Interstate 80, just E of Nevada County line 1767 Comment
  UC1076422  Alnus incana subsp. tenuifolia Herbert L. Mason 1929-10-14 5461 Placer 1 mi above Cisco Comment
  UCD43135  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 503 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC171439  Alnus rhombifolia Mrs. Marian Campbell 1928-6-28 s.n. Placer Summit Comment
  SACT002781  Alnus tenuifolia Michael Baad 1983-8-11 Placer Collected on trail from Whiskey Creek to Mildred Ridge 2133.0 Comment
  UCR51562  Alopecurus aequalis Lyman Benson 1942-7-2 11268 Placer 1 mi west of Truckee; Hwy junction 1829 Comment
  UCR258217  Amaranthus albus George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20054 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  JEPS45144 Image available Amelanchier alnifolia var. pumila W. L. Jepson 1918-7-30 7726 Placer near Tahoe City; Lake Tahoe 1920 Comment
  CDA39024  Amelanchier utahensis var. utahensis D. G. Kelch 2011-10-3 11 .819 Placer Tahoe City. Granlibakken Resort. Comment
  JEPS118605  Amorpha californica Karen I. Callahan 2010-6-26 0017 Placer Northern Sierra Nevada Foothills. Shutamul Preserve of the Placer County Land Trust. North slope above the Bear River, NW of Highway 49 and S of the confluence of Wolf Creek with Bear River. Wolf 7.5' Quad. Comment
  CAS-BOT-BC180675  Amorpha californica var. californica H. M. Hall; F. M. Essig 1916-6-5 10159 Placer Bear River at Gautier Bridge, northern Placer County, on the westerly slope of the Sierra Nevada 400 Comment
  SD241775  Amsinckia intermedia G. K. Helmkamp, E. A. Helmkamp 2010-4-17 15895 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, about 0.2 mile northeast of the entrance to the Folsom Lake recreational area. 305 Comment
  CDA40477  Amsinckia intermedia T. C. Fuller 1966-5-11 14630 Placer Growing grounds of California Nursery, Loomis. 0 Comment
  UC79476  Amsinckia intermedia Katharine Brandegee May 1883 Placer between Salmon Falls and Auburn; Alabaster Cave Comment
  RSA755619  Amsinckia menziesii var. menziesii George K. Helmkamp, E. Helmkamp 2009-4-22 14581 Placer Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  UCD128779  Anaphalis margaritacea Rex Palmer Date Unknown N 887 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD83588  Anaphalis margaritacea Albert Grigarick 2009-8-7 157 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1938 Comment
  UCR231818  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 1552 Comment
  UCD37503  Andropogon virginicus Beecher Crampton 1960-11-2 5793 Placer Placer County, 2 miles east of Bowman, along U.S. Highway 40. Comment
  UCD56102  Andropogon virginicus Jack E. Herr 1955-10-10 s.n. Placer Auburn. Comment
  UCD56112  Andropogon virginicus Beecher Crampton 1957-3-28 3911 Placer 3.5 miles northeast of Folsom, along the road to Auburn. Comment
  SEINET2030104 Image available Androsace occidentalis Marcus E. Jones 1884-9-29 Placer Emigrant Gap Comment
  UCD44523  Angelica C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1889 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC63972  Antennaria argentea W. R. Dudley 1900-6-29 s.n. Placer Near Tahoe City Comment
  CAS-BOT-BC63973  Antennaria argentea C. F. Sonne 1886-7-4 162 Placer On Truckee River Comment
  JEPS33935  Antennaria argentea C. F. Sonne 1885-7-4 Placer Comment
  NY158261  Antennaria media C. F. Sonne 1892-7-31 s.n. Placer [Cold... or Gold...] Comment
  JEPS59458  Antennaria rosea Ezra Brainerd and Viola B. Baird 1915-7-15 193 Placer Five Lakes; Sierra Nevada Mts. 2298 Comment
  CAS-BOT-BC84761  Antennaria rosea subsp. rosea Alice Eastwood 1909-1 70 Placer Sunnyside Comment
  SACT000334  Anthoxanthum odoratum Michael Baad 1983-5-5 Placer One mikle south of Placer Hills Road , on Milk Ranch Road, 2 miles west of Colfax, open hillside, north-facing slope. 609.6 Comment
  SACT000336  Anthoxanthum odoratum Josephine Van Ess 1977-5-13 Placer 2120 Bald Hill Road. Moist ditch bank. 365.8 Comment
  SACT000342  Anthoxanthum odoratum D. Meyer 1984-6-3 Placer 585.0 Comment
  UCD56163  Anthoxanthum odoratum Beecher Crampton 1959-7-23 5428 Placer Meadow Vista, just west of Placer Hills School. Comment
  UCD127201  Anthriscus caucalis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10427 -B Placer Northern Sierra Nevada foothills 2.1 mi south of Auburn along Calif. Hwy 49. 293 Comment
  UCR208547  Anthriscus caucalis George K. Helmkamp, E. A. Helmkamp 2009-5-11 14675 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  POM29613  Antirrhinum vexillocalyculatum subsp. intermedium Marcus E. Jones 1882-7-3 3426 Placer Colfax. Comment
  UCR257735  Apocynum androsaemifolium George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19515 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  UCD22176  Aquilegia formosa Rex Palmer 1979-6-20 N 350 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD95554  Aquilegia formosa L. M. Sparks 1912-8-1 27 Placer Lake Tahoe. 1920 Comment
  RSA0029334  Arabis John F. Emmel 1991-6-25 1184 Placer Sierra Nevada, Lake Tahoe region. Ward Creek. 2024 Comment
  SEINET12616242  Arabis rigidissima K. Christie 2011-8-30 2082 Placer Lake Tahoe Basin Management Unit (LTBMU); from Brockway Summit, ca. 2.0 mi. east along forest service road towards Martis Peak; ca. 1.25 mi. southwest of Martis Peak. Comment
  SEINET8892816  Arabis rigidissima K. Christie 2011-1 2082 Placer Lake Tahoe Basin Management Unit (LTBMU); from Brockway Summit, ca. 2.0 mi. east along forest service road towards Martis Peak; ca. 1.25 mi. southwest of Martis Peak. Comment
  SEINET5340784  Arabis sparsiflora P. A. Lehenbauer 1926-4-25 1125 Placer Squaw Creek. Comment
  SEINET7258076  Arbutus menziesii W. D. Billings 1940-5-18 s.n. Placer Gold Run Comment
  SEINET2471192  Arceuthobium abietinum R. L. Mathiasen 2009-8-13 2009 -44 Placer 7.4 km E. of Sly Park Rd. on forest rd. 5 1271 Comment
  UC1078825  Arceuthobium americanum Job Kuijt 1957-5-18 1330 Placer 8.5 mi w Soda Springs 1767 Comment
  POM105934  Arceuthobium campylopodum Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  CAS-BOT-BC409996  Arceuthobium campylopodum Catherine Best 1985-9-15 1151 Placer edge of Sugar Pine Reservoir, about 6 miles N of Foresthill 1158 Comment
  POM76766  Arctostaphylos mewukka Marcus E. Jones 1900-7-10 s.n. Placer Colfax Comment
  RSA254298  Arctostaphylos patula Gary D. Wallace, R. F. Thorne, L. DeBuhr, A. Tatsuno 1975-4-13 1420 Placer Sierra Nevada, Baxter exit off Hwy. 80 between Alta and Blue Can. 1207 Comment
Read comments
Jul 23 2017
  SBBG5461  Arctostaphylos patula E. R. Blakley 1960-8-30 3794 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  UCD52052  Arctostaphylos uva-ursi Ellen Dean 2002-9-28 1301 Placer Gold Run rest area along Hwy 80, just before exit to Dutch Flat. 762 Comment
  UCD52188  Arctostaphylos viscida Beecher Crampton 1955-6-15 2904 Placer Yellow pine forest, Yankee Jim, Placer County. 807 Comment
  UCD52816  Arctostaphylos viscida D. H. Hartmann 1941-10-11 s.n. Placer 4 mi. west of Auburn. Comment
  POM212065  Arctostaphylos viscida subsp. viscida C. B. Wolf 1930-10-11 1733 Placer Near Alta. 1128 Comment
  RSA637021  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24912 Placer Forest Hill Road, 13 km west of Forest Hill, northeast of Auburn. 590 Comment
  UC484000  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1930-10-11 1733 Placer near Alta 1127 Comment
  POM308863  Arenaria capillaris subsp. americana Betty J. Jorgensen 1944-7-2 511 Placer Along summit near Donner Pass. Comment
  RSA423602  Arenaria kingii subsp. compacta William Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  JEPS59462  Arenaria kingii var. glabrescens Ezra Brainerd and Viola B. Baird 1915-7-15 198 Placer Sierra Nevada Mts. 2298 Comment
  SACT000297  Aristida oligantha Josephine Van Ess 1976-4-15 Placer Collected on Courtnew Road South of the lake; gravel roadside, very dry 103.7 Comment
  UCD21689  Arnica Rex Palmer 1979-6-21 N 415 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC1119288  Arnica chamissonis H. S. Yates 1936-8-9 5991 Placer 2 mi sw Martis Peak; Truckee Quadrangle Comment
  UCD159404  Arnica chamissonis D. S. Park 2010-7-7 175 Placer Along N Lake Blvd. Bike trail near Lake Tahoe. Recent Fire. 1900 Comment
  CAS-BOT-BC82200  Arnica chamissonis Marguerite Wells; Nell E. Flattery 1980-9-1 s.n. Placer Pioneer Way, Tahoe City Comment
  CAS-BOT-BC82205  Arnica chamissonis Le Roy Abrams 1911-7-27 4781 Placer Lake Valley 1950 Comment
  CAS-BOT-BC82207  Arnica chamissonis Le Roy Abrams 1911-7-29 4832 Placer near the summit of Mt. Tallac 2895 Comment
  UC53991  Arnica chamissonis Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  POM272174  Arnica chamissonis subsp. foliosa Lyman Benson 1942-7-2 11262 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CDA12432  Arnica cordifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8504 Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD74025  Arnica cordifolia Jennifer W. Burt 2005-7-12 111 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from coniferous forest near abandoned ski runs. 1974 Comment
  JEPS20873  Arnica dealbata C. F. Sonne 1888-8-12 473 Placer Truckee River Sierra Nevada Mountains Comment
  UC84125  Arnica dealbata C. F. Sonne July 1895 Placer road to Lake Tahoe Comment
  UCD21794  Arnica dealbata Beth Lowe Corbin 1982-8-19 380 Placer 1 1/2 miles south of The Cedars. 1874 Comment
  CAS-BOT-BC295823  Arnica dealbata C. F. Sonne 1895-7-14 s.n. Placer Near Pole Creek on Truckee River Comment
  UC193522  Arnica discoidea C. F. Sonne 1886-7-4 Placer Truckee River near Flume Dam Truckee River Comment
  UC195680  Arnica longifolia C. F. Sonne 1896-8-2 Placer Crossing of R. R. on road to Tahoe Comment
  UC468975  Arnica longifolia Miss Helen D. Geis Jun 1 1912-Jul 1 1912 43 Placer Deer Park Comment
  POM160971  Arnica longifolia subsp. myriadenia C. F. Sonne 1897-8-7 s.n. Placer E Slope Mt. Anderson 2439 Comment
  POM308731  Arnica longifolia subsp. myriadenia Betty J. Jorgensen 1944-7-23 530 Placer Near Soda Springs. Comment
  CDA13701  Arnica mollis G. F. Hrusa, J. Glazner 1997-8-3 14061 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  HSC33422  Arnica mollis Thomas W. Nelson, James Nelson 1974-6-17 1372 Placer Dollar Point N of Lake Tahoe City 1585 Comment
  UC29592  Arnica mollis Miss M. E. Parsons 1896-8-1 Placer Deer Park, (Lake Tahoe) Comment
  POM9976  Arnica mollis E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
  UCD21690  Arnica parryi Beth Lowe Corbin 1982-8-17 360 Placer 2 2/3 miles WSW of The Cedars. 1935 Comment
  UC1119382  Artemisia arbuscula N. French 1934-6-22 450 Placer 7/8 mi from Lake Dulzura; Truckee Quadrangle Comment
  UC202223  Artemisia arbuscula A. A. Heller 1917-8-13 Placer ridge nw of Donner Pass 2346 Comment
  UCD43122  Artemisia cana subsp. bolanderi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 490 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD83616  Artemisia cana subsp. bolanderi Albert Grigarick 2009-8-20 183 Placer E of Truckee, on S end of Martis Creek Reservoir. 1775 Comment
  UCR232647  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2011-9-30 18340 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  UC193588  Artemisia dracunculus C. F. Sonne 1884-9-14 Placer road to Tahoe Comment
  SACT000353  Arundo donax var. donax D. Meyer 1984-5-28 Placer Collected at railroad crossing. 188.0 Comment
  SEINET6652469  Asarum hartwegii M. J. Williams 1968-5-28 s.n. Placer Near Caribou Power Station 701 Comment
  SEINET178467  Asclepias cordifolia Unknown 1882-6-30 2802 Placer Emigrant Gap. Comment
  UC878961  Asclepias cordifolia Marcus E. Jones, A. M. 1882-6-30 2802 Placer Emigrant Gap Comment
  UC22964  Asclepias cordifolia Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD150267  Asclepias speciosa James A. Neilson Jr. 1971-7-25 2283 Placer Tahoe Basin, King's Beach. 1901 Comment
  SBBG58649  Asclepias speciosa E. Rockwell -Aug-1918 12 Placer Ladds Springs, American River 1219 Comment
  CDA16998  Aspidotis densa G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16051 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CAS-BOT-BC69577  Aspidotis densa Emily K. Mcpherson 1976-9-19 76- 27 -3 Placer Middle Fork of the American River. 1828 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
  SCFS1227  Asteraceae E. Krimmel 2014-6-26 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Comment
  SCFS1127  Asteraceae E. Krimmel 2013-6-13 Placer NFAm. Split stop #2. Comment
  CAS-BOT-BC178756  Astragalus canadensis var. brevidens A. A. Heller 1917-8-13 12904 Placer Near Summit hotel in granite. 2133 Comment
  CAS-BOT-BC178757  Astragalus canadensis var. brevidens A. A. Heller 1917-8-13 12904 Placer Near Summit hotel in granite. 2133 Comment
  UCD104669  Astragalus canadensis var. brevidens A. A. Heller 1917-8-13 12904 Placer Near Summit hotel. Comment
  UC170082  Astragalus canadensis var. brevidens Miss Helen D. Geis August 1912 Placer near Truckee; near Truckee Comment
  JEPS59464  Astragalus whitneyi var. lenophyllus Ezra Brainerd and Viola B. Baird 1915-7-19 200 Placer above Deer Park (summit of The Craggs); Sierra Nevada Mts., summit of the Craggs above Deer Park 2514 Comment
  UC197899  Athyrium distentifolium var. americanum C. F. Sonne Aug. 1887 Placer above Coldstream Mt Anderson Comment
  RSA692536  Athyrium filix-femina subsp. cyclosorum May N. Ackley 1925-06 13 Placer Bear Valley Comment
  CAS-BOT-BC17414  Athysanus pusillus A. A. Heller 1917-6-17 12693 Placer Near the Yuba River below Cisco. 1676 Comment
  SACT000364  Avena barbata Michael Baad 1977-6-8 Placer on Ralston Ridge Road 487.68 Comment
  SACT000366  Avena barbata Josephine Van Ess 1975-5-15 Placer collected along path from homestead site. 91.5 Comment
  SEINET5336143  Avena barbata J. Solaegui 1977-3-19 s.n. Placer 3 mi. E of Auburn on Rt. 49 on dirt road immediately N of Highway 274 Comment
  SACT000391  Avena fatua Josephine Van Ess 1976-3-22 Placer Lightly shaded bank 109.8 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
  UC1278006  Balsamorhiza macrolepis B. Crampton 1957-5-7 3983 Placer 3.2 miles north of Roseville, along the railroad and U.S. Highway. 99 E. Comment
  CAS-BOT-BC100090  Balsamorhiza sagittata Kellogg; Brannan 1870-6-27 s.n. Placer Cisco: Sierra Nevada Mts. Comment
  JEPS53020  Barbarea orthoceras Leland S. Smith 1928-6-9 2320 Placer Squaw Valley Ranger Station Tahoe Forest, Squaw Valley (in pasture) 1889 Comment
  UCD63142  Barbarea orthoceras A. M. Shapiro 2007-6-13 s.n. Placer California. Placer County: Along railroad tracks near Soda Springs. 2115 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
  UCR250689  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-4-18 20353 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
  UC1126293  Berberis aquifolium var. repens J. E. Sowder and R. W. Lundh 1933-4-26 37 Placer ne Colfax Hill (near camp); Colfax Quadrangle Comment
  JEPS47760  Berberis pinnata unknown 1884-1 Placer Auburn Comment
Read comments
Jul 10 2007
  CAS-BOT-BC75989  Berberis pumila C. Hart Merriam 1911-11-5 s.n. Placer Near Dutch Flat. Comment
  UCD129459  Bidens frondosa Beecher Crampton 1975-9-9 9276 Placer Gold Run rest area along Interstate Hwy. 80 W. 914 Comment
  UCSB70080  Bidens frondosa Helmkamp, G.; Helmkamp, E. 2007-9-14 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UC1192171  Bidens frondosa Malcolm A. Nobs 1948-9-25 687 b Placer 9 mi n of Auburn (Rock Creek Highway 49); Rock Creek, Highway 49 Comment
  CAS-BOT-BC100273  Blennosperma nanum var. nanum Gordon H. True 1971-4-9 6474 Placer in Valley Grassland, northern limits of Lincoln 48 Comment
  CAS-BOT-BC100274  Blennosperma nanum var. nanum Carl B. Wolf 1937-3-30 8350 Placer Sacramento Valley, 4 8/10 mi. E. of Lincoln on Penryn Road 91 Comment
  CAS-BOT-BC15949  Boechera breweri subsp. breweri Kellogg 1870-6-17 s.n. Placer Sierra Nevada Mountains. Cisco. Comment
  JEPS72282  Boechera platysperma Gladys L. Smith and Betsy Wilson 1972-4-27 3132 Placer Ward Peak summit area Ward Peak 2632 Comment
  UC178951  Boechera platysperma Katharine Brandegee Jul 1908 Placer near Cisco Comment
  CAS-BOT-BC14639  Boechera rectissima Lowell Ahart 1969-7-30 s.n. Placer Ahart Camp, French Meadow. 1524 Comment
  CAS-BOT-BC25455  Boechera retrofracta Margaret Williams 1974-8-8 74 -P1-20 Placer Sierra Nevada. Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  UCD22334  Boechera retrofracta Beth Lowe Corbin 1982-8-2 157 Placer Onion Creek Campground. S facing slope. Partial shade. Uncommon clumps of about 25 plants. In shallow, conifer litter over fine, sandy, granitic soil in mixed evergreen forest. Biennial herb, flowers white. 1841 Comment
  CAS-BOT-BC17214  Boechera rigidissima Arnold Tiehm 1974-8-8 524 Placer Sierra Nevada. Juniper Creek. 2407 Comment
  CAS-BOT-BC25780  Boechera stricta Alice Eastwood 1909-7-1 125 Placer Lake Tahoe Region. Sunnyside, Lake Tahoe. Comment
  CAS-BOT-BC25791  Boechera stricta A. A. Heller 1919-7-26 13319 Placer Donner Pass. 2194 Comment
  UCD21606  Boechera stricta E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1275 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  JEPS109849  Boechera suffrutescens Dean W. Taylor 2005-7-15 19408 Placer Martis Peak, western flank near headwaters Monte Carlo Creek, Truckee River watershed 2164 Comment
  POM46115  Boisduvalia densiflora Marcus E. Jones 1882-7-3 s.n. Placer Alta Comment
  SEINET10340049  Boykinia major George K. Helmkamp, E. A. Helmkamp 2008-9-15 14115 Placer Northern Sierra Nevada Mountains; along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  UCR193310  Boykinia occidentalis George K. Helmkamp, E. A. Helmkamp 2007-5-30 12191 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River 800 Comment
  UC11307  Boykinia occidentalis Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET5340929  Brassica rapa C. Fitz 1959-3-5 s.n. Placer Near Auburn, Hw. 40, profuse in fields and orchards. 396 Comment
  JEPS21077  Brickellia californica L. T. Dempster 1958-8-10 1177 Placer Along banks of American River, near Auburn, 365 Comment
  UCD163374  Brodiaea appendiculata Robert E. Preston 2015-4-6 2995 Placer 2.3 mi SW of Sheridan, at Yankee Slough Wetland Preserve. 40 Comment
  UCD77140  Brodiaea appendiculata Robert E. Preston 2004-4-25 2221 Placer Ca. 5 mi NW of Roseville, along Fiddyment Rd 32 Comment
  UC337863  Brodiaea elegans subsp. elegans unknown June, 1889 Placer near Auburn Comment
  CAS-BOT-BC484259  Brodiaea elegans var. elegans L. S. Smith 1926-5-23 1870 Placer Colfax Rd above Bear River 853 Comment
  RSA363421  Bromus carinatus A. A. Beetle 1941-5-26 2718 Placer Near Cisco 915 Comment
  UCD57888  Bromus carinatus Beecher Crampton 1969-7-1 8491 Placer Nyack Lodge area (W. of Emigrant Gap). Interstate Hwy. 80 eastbound. Comment
  JEPS75155  Bromus carinatus var. carinatus Gladys L. Smith 1972-6-20 3261 a Placer Ward Peak, summit to Sherwood Forest Ward Peak 2590 Comment
  CAS-BOT-BC148721  Bromus carinatus var. marginatus Beecher Crampton 1985-6-23 9998 Placer North Shore Lake Tahoe, Stateline Road. Comment
  CAS-BOT-BC148723  Bromus carinatus var. marginatus Peter H. Raven 1950-6-26 2412 Placer Baxter's. 1219 Comment
  CAS-BOT-BC148724  Bromus carinatus var. marginatus R. F. Hoover 1967-9-7 10860 Placer Antone Meadow. Comment
  UCD59163  Bromus carinatus var. marginatus L. S. Smith 1916-8-3 723 Placer Cold Stream Meadow. 1920 Comment
  UCD59208  Bromus carinatus var. marginatus August L. Hormay 1932-7-8 s.n. Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  CAS-BOT-BC156283  Bromus catharticus John Thomas Howell; Gordon H. True 1968-6-9 44512 Placer Sierra Nevada. Alta. 1066 Comment
  UCD36651  Bromus commutatus Beecher Crampton 1955-6-15 2862 Placer Placer County, 3 miles east of Weimar, head of Bunch Canyon, on Forest Hills Road, just off U.S. Highway 40. Comment
  UCD58451  Bromus commutatus R. Tofsrud 1951-6-9 s.n. Placer Lake Arthur near Applegate on Hwy. 40. Comment
  CAS-BOT-BC155986  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  UCD58524  Bromus diandrus Al Franklin 1987-5-1 87 -04 Placer 1.6 miles east of I-80 on Forest Hill Rd. Just outside of Auburn. 426 Comment
  UCD58614  Bromus grandis G. L. Stebbins Jr.; R. Bacigalupi, F. Ehrendorfer, J. Hunziker et al. 1952-7-19 5124 Placer Along north fork of American River. 2 miles south of Colfax. 1/2 mile east of bridge of Iowa Hill Road. 350 Comment
  SACT000569  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-5-15 Placer Field at southeast corner 36.6 Comment
  SACT000645  Bromus madritensis Josephine Van Ess 1977-5-6 Placer collected just inside park, moist ditch bank 176.8 Comment
  UCD58996  Bromus madritensis August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  CDA37198  Bromus madritensis subsp. rubens CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT000697  Bromus marginatus D. Meyer 1983-7-30 Placer campground along Truckee River 1853.18 Comment
  SACT000699  Bromus marginatus D. Meyer 1983-8-20 Placer from road to first lake, steep rocky trail 2000.0 Comment
  UCR146674  Bromus marginatus Beecher Crampton 1985-6-23 9998 Placer Sierra Nevada Mtns., North Shore Lake Tahoe, Stateline Road 1905 Comment
  SACT000711  Bromus mollis Michael Baad 1983-4-17 Placer 411.48 Comment
  CAS-BOT-BC162165  Bromus orcuttianus R. F. Hoover 1967-9-7 10858 Placer Antone Meadow. Comment
  HSC11184  Bromus orcuttianus A. S. Hitchcock 1913-7-15 863 Placer Trukee Comment
  SEINET238822 Image available Bromus orcuttianus Beecher Crampton 1967-7-26 8152 Placer North end of Lake Tahoe ca. 3 miles northwest of Kings Beach near summit on Highway 267. 1920 Comment
  UC1162317  Bromus orcuttianus R. F. Hoover 1967-9-7 10858 Placer Antone Meadow Comment
  UCD32815  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Placer County, Blue canyon. 1430 Comment
  UCD34880  Bromus orcuttianus Beecher Crampton 1964-7-9 7107 Placer Placer County, Emigrant Gap, Hwy. 40. 1615 Comment
  UCD59245  Bromus orcuttianus Beecher Crampton 1959-7-8 5416 Placer Lake Tahoe, along State Highway 89. 1950 Comment
  CAS-BOT-BC161976  Bromus rubens Peter H. Raven 1954-4-16 6603 Placer 7 miles south of Lincoln on road to Roseville. Comment
  SACT000718  Bromus rubens Michael Baad 1977-6-8 Placer On road between Forest Hill and French Meadows roadside in serpentine-chaparral community 914.4 Comment
  SACT000727  Bromus rubens Michael Baad 1983-4-17 Placer 411.48 Comment
  UCD36323  Bromus secalinus Beecher Crampton 1953-5-26 1336 Placer Placer County, 2 miles north of Lincoln, Sunnybrook Farm. Comment
  OBI22422  Bromus sitchensis Robert F. Hoover 1967-9-7 10860 Placer Antone Meadow Comment
  SACT000677  Bromus sterilis Michael Baad 1983-5-5 Placer streamside picnic area at junction. on Bear River. 3 miles southwest of Colfax, shaded moist site. 609.0 Comment
  NY664627  Bromus tectorum L. S. Rose 1946-6-23 46198 Placer Rainbow, n. of Cisco 1737.4 Comment
  SACT000775  Bromus tectorum var. tectorum D. Meyer 1983-8-7 Placer 3.2 km North of Tahoe City 1879.0 Comment
  SACT000795  Bromus vulgaris D. Meyer 1984-7-29 Placer 1661.0 Comment
  SEINET10867417  Calamagrostis bolanderi A. Arthur Heller 1903-8-10 Heller 7180 Placer Above Donner Pass. 2286 Comment
  CAS-BOT-BC185439  Calamagrostis breweri A. A. Heller 1903-8-10 7130 Placer Above Donner Pass. 2286 Comment
  SEINET9097932  Calandrinia ciliata var. menziesii A. Tiehm, H. Mozingo, M. J. Williams, E. McPherson 1975-1 609 Placer One mile N of Lincoln. Comment
  POM281959  Calocedrus decurrens Major Irving, Irving 1929-9-17 s.n. Placer Colfax, Sierra Nevada 610 Comment
  UCD164643  Calochortus albus Brandi Sorensen 1995-5-12 7 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  JEPS111261  Calochortus leichtlinii Steve Matson 2005-7-16 1403 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  UCD22050  Calochortus leichtlinii Rex Palmer 1979-7-12 N 647 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET3885470  Calochortus leichtlinii K. Thorne, J. Chandler 1987-6-26 5427 Placer Ca Hwy 267, 3.2 mi south of Brockway Summit.; 0 Comment
  UC197247  Calochortus monophyllus C. F. Sonne 1891-5-17 Placer Colfax Comment
  UCD164625  Calochortus monophyllus Brandi Sorensen 1995-6-1 18 Placer .73 kilometers northwest of Colfax. 671 Comment
  POM260305  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 miles N of Colfax Comment
  UC935701  Calycadenia multiglandulosa David D. Keck and J. Clausen 1932-7-1 1590 Placer 2 mi n of Auburn 426 Comment
  UC614880  Calyptridium monospermum Beryl O. Schreiber 1933-7-19 873 Placer Summit, road to Tahoe Tahoe 1609 Comment
  UCD100406  Calyptridium umbellatum Beecher Crampton 1958-6-24 4958 Placer Placer-Nevada County line: Eastern edge of Martis Valley, ca. 4 miles east of Truckee. Comment
  SEINET7125892  Calystegia macrostegia A. Beninghoff 1930-4-20 2625 Placer Newcastle Comment
  UCD21723  Calystegia occidentalis subsp. occidentalis Robin McMaster 1973-6-3 430 Placer Off highway, near Weimer. Comment
  CHSC112057  Calystegia vanzuukiae R. K. Brummitt; S. M. 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
  UC1965415  Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff, K. Van Zuuk & B. Ertter 2012-6-12 22053 Placer Tahoe National Forest, 7.5 miles NE of Forest Hill, on Finning Mill Road 5.6 miles from Forest Hill Divide Road Comment
  JEPS124664 Image available Camassia leichtlinii subsp. suksdorfii Dixie Funnell 1965-6-27 24 Placer Highway 89 south of Truckee 4.5 miles west of Truckee river. Comment
  CAS-BOT-BC493373  Camassia quamash subsp. breviflora Elizabeth Parsons Hawver 1909-6-1 s.n. Placer Tahoe City, Lake Tahoe Region Comment
  JEPS16329  Campanula prenanthoides Peter H. Raven 1956-8-4 9976 Placer Blue Canyon Sierra Nevada 1432 Comment
  SEINET4691669  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-1 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. 1552 Comment
  POM59079  Campanula prenanthoides Allen M. Carpenter s.n. Placer Placer Co. Comment
  JEPS126374  Cardamine breweri Steve Matson 1998-6-1 276 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north of Highway 267; 70 yards east of Boundary Fence, along East Martis Creek. Comment
  UCD75767  Cardamine breweri Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5239 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
  UCD44012  Cardamine breweri var. breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1378 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC471266  Cardamine cordifolia Arnold Tiehm 1974-8-8 525 Placer Sierra Nevada. Juniper Creek 2194 Comment
  RSA20884  Cardamine oligosperma C. B. Wolf 1937-3-30 8347 Placer Sacramento Valley, 4.8 mi. E of Lincoln on Penryn Rd. 91 Comment
  CAS-BOT-BC18345  Carex Peter H. Raven 1956-8-4 9984 Placer Sierra Nevada. Blue Canyon. 1432 Comment
  UCD43388  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 756 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD162533  Carex abrupta Steve Matson 1997-7-17 100 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; middle fork snow creek; 'big pine' meadow. 1908 Comment
  CHSC74283  Carex angustata Susi Urie 1998-8-25 98 -099 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CDA13669  Carex athrostachya G. F. Hrusa, J. Glazner 1997-8-3 14029 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Moist areas around main, fairly wet meadow. Comment
  CHSC74286  Carex athrostachya Susi Urie 1998-8-28 98 -131 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  SEINET4292083 Image available Carex athrostachya L. Janeway, Castro, B 2003-1 7967 Placer Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. Comment
  UCD44625  Carex athrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1991 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC19071  Carex aurea John Thomas Howell 1938-8-2 14002 Placer 5 miles north of Brockway. Comment
  CHSC85711  Carex douglasii G. F. Hrusa; J. Glazner 1999-7-17 15176 Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC20680  Carex fracta John Thomas Howell 1943-7-27 19774 Placer Lake Tahoe near Tahoe Pines. Comment
  CAS-BOT-BC20685  Carex fracta T. C. Fuller 1964-9-1 12571 Placer Sierra Nevada. N of freeway Interstate 80 from Donner Summit, just E of Hampshire Rocks. 1828 Comment
  UC1133376  Carex helleri L. S. Smith 1927-8-12 2225 Placer Squaw Peak Ridge Truckee Quadrangle 2438 Comment
  SEINET3901910  Carex heteroneura Ellen Dean, M. Starbuck; G. Harrington; Jennifer Buck; M. Bibbo; T. Sasaki; J. Poloske 2008-7-19 5135 Placer Donner State Oark, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek.; 0 2112 Comment
  UC1133388  Carex hoodii H. S. Yates 1936-8-9 5993 Placer 2 mi sw Martis Peak; Truckee Quadrangle Comment
Read comments
Aug 8 2010
  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
  CHSC68060  Carex integra James D. Jokerst 1986-7-13 2704 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  SEINET5332347 Image available Carex integra A. A. Heller 2009-7-16 9841 Placer Summit 2134 Comment
  CAS-BOT-BC35501  Carex jonesii Lewis S. Rose 1944-7-26 44280 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  CAS-BOT-BC31625  Carex luzulina var. luzulina Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. Comment
  UCD43382  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 750 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC32060  Carex multicaulis Clare B. Hardham 1961-6-14 7349 Placer Route 40, near Baxter. Comment
  UC1256292  Carex multicaulis R. K. Gierisch 1969-7-11 3524 Placer Big Bend Tahoe Forest Comment
  UCR226140  Carex multicostata Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5139 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, forest clearing off trail 2113 Comment
  CAS-BOT-BC119850  Carex nebrascensis Margaret Williams 1974-8-8 74 -P1-12 Placer Murphy's Meadow, 5 mi SE of Hirschdale. 2316 Comment
  UC1133411  Carex nebrascensis H. S. Yates 1936-8-9 5994 Placer 2 mi sw Martis Pk.; Truckee Quadrangle Comment
  UCD43829  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1195 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD75964  Carex nebrascensis Ellen Dean, M. Starbuck,; M. Bibbo, J. Poloske 2008-7-20 5238 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  JEPS73190  Carex nigricans Gladys L. Smith 1972-8-25 3409 Placer e-facing slope below Watson Memorial (tr. to Granite Chief) 2529 Comment
  CHSC89802  Carex pellita G. F. Hrusa; J. Glazner 2000-7-1 15615 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. [Lat./long. on label is '39 22 N; 120 15 W']. 1844 Comment
  UCD43052  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 421 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CDA25018  Carex raynoldsii J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Creek bank betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC68062  Carex raynoldsii James D. Jokerst 1986-7-13 2702 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  JEPS73203  Carex raynoldsii Gladys L. Smith 1972-8-25 3408 Placer e facing slope below Watson Memorial (tr. to Granite Chief) 2529 Comment
  UCD21843  Carex rossii Rex Palmer 1979-6-21 N 361 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  UCD74101  Carex rossii Jennifer W. Burt; Sarah Shannon 2005-7-8 7 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from coniferous forest near abandoned ski runs. 1922 Comment
  CHSC67708  Carex scopulorum var. bracteosa James D. Jokerst 1986-7-13 2722 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, in Sheet Valley. 2133 Comment
  SEINET7574996 Image available Carex scopulorum var. bracteosa Unknown 2003-8-24 7969 Placer Homewood 7.5' quad, Northern High Sierra Nevada. Just below the Pacific Crest Trail 2.1 km (air) north of Barker Pass, head of small drainage into North Fork Blackwood Creek. 2365 Comment
  CHSC74308  Carex simulata Susi Urie; Eric Schroder 1998-9-11 98 -347 Placer Lake Tahoe Basin Management Unit. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  SEINET4285926 Image available Carex simulata K. Chung, Matson, S 2009-1 1079 Placer Lake Tahoe, north side Comment
  SEINET4285927 Image available Carex simulata K. Chung, Matson, S 2009-1 1078 Placer Lake Tahoe, north side Comment
  JEPS73206  Carex spectabilis Gladys L. Smith 1972-8-25 3405 Placer e-facing slope betw. Shirley chairlift and Watson Memorial (Granite Chief tr.); Granite Chief tr. 2529 Comment
  CAS-BOT-BC117362  Carex stipata var. stipata Alice Eastwood; John Thomas Howell 1937-5-8 4361 Placer Between Newcastle and Penryn Comment
  CAS-BOT-BC20687  Carex subfusca Lewis S. Rose 1946-6-23 s.n. Placer Rainbow, N of Cisco. 1737 Comment
  CDA16979  Carex subfusca G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16034 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CDA16991  Carex subfusca G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16044 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CDA19560  Carex subfusca M. I. Wibawa, G. F. Hrusa (16044), J. Glazner 2002-5-22 215 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
  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
  JEPS63521  Carex subfusca W. L. Jepson 1934-8-7 16880 Placer bank of Truckee River near Squaw Valley; Truckee River Comment
  SEINET4286149 Image available Carex subfusca K. Chung, Matson, S 2009-1 1073 Placer Lake Tahoe, north side. Comment
  UCD149411  Carex subfusca G. Ledyard Stebbins 1976-7-6 7691 Placer Mountain Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD42867  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 234 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD162536  Carex utriculata Steve Matson 2002-7-21 609 Placer nSNH; Truckee River region; Pole Creek near Squaw Valley. 1950 Comment
  UC1473  Carex utriculata W. H. Brewer 1863-8-27 2161 Placer near Knoxville; Truckee River Comment
  UC1133481  Carex vesicaria L. S. Smith 1927-8-6 2157 Placer Robertson Flat Ranger Station Tahoe <National Forest>, Forest Hill Dist., Colfax Quadrangl Comment
  UCD140983  Carex whitneyi Mrs. H. P. Kelley 1915-6-23 s.n. Placer Squaw Valley. Comment
  POM131973  Cassiope mertensiana subsp. californica C. F. Sonne 1897-8-14 s.n. Placer Mt. Anderson Comment
  SCFS11529121  Castilleja E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  SCFS11529189  Castilleja E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UC1607878  Castilleja affinis subsp. affinis C. G. Nast 1936-4-12 126 Placer Auburn Comment
  OBI39813  Castilleja applegatei Joy H. Nishida 1985-7-10 771 Placer Homewood 1829 Comment
  CAS-BOT-BC249698  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-6-15 359 Placer Deer Park, Lake Tahoe Region 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
  RSA569210  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
  UC198252  Castilleja applegatei subsp. pinetorum Katharine Brandegee Aug 1917 Placer Donner Summit Comment
  UCD162608  Castilleja applegatei subsp. pinetorum Steve Matson 1998-6-24 285 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; east fork at power lines. 1920 Comment
  UCR250687  Castilleja applegatei subsp. pinetorum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20354 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  SEINET13737547  Castilleja campestris W. Harnach 2006-6-11 1235 Placer Sierra Valley, on Marble Lane, 0.25 mile E of County Road A-23. 1487 Comment
  SEINET13764202  Castilleja chromosa P. A. Lehenbauer, R. E. L. 1923-6-23 774 Placer Lake Tahoe, [Homewood,] McKinney's Resort. Comment
  SEINET3245842  Castilleja foliolosa G. K. Helmkamp, E. A. Helmkamp 2007-1 11715 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road at the junction with the unnamed road to Lake Clementine. 457 Comment
  UC518950  Castilleja lineariloba David D. Keck 1933-5-31 2426 Placer just s Auburn (on road to Roseville) 304 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
  JEPS86493  Castilleja miniata L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6576 Placer ca 5 mi se Donner Lake (creek ca 1 mi se of Chickering houses at Soda Springs, Sherman Chickering's Soda Springs holdings); Sherman Chickering's Soda Springs 2133 Comment
  SEINET14142515  Castilleja miniata M. J. Williams 1985-7-6 85- 61 -7 Placer Sierra Nevada, N of Lake Mary, near old Donner Summit [road]. 2286 Comment
  SJSU2006  Castilleja miniata R. L. Fisher 1957-8-5 Placer Emigrant Meadow on headwater of Sugarbowl Cr (S Fork Yuba R), 3 mi S of Norden 2286 Comment
  UC198549  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198559  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  JEPS71352  Castilleja miniata L. R. Heckard with R. Bacigalupi, T. I. Chuang 1973-7-28 3454 Placer w edge Soda Springs 1981 Comment
  RSA448748  Castilleja miniata Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  UCD44505  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1871 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44552  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1918 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC240981  Castilleja pilosa Lyman Benson 1942-7-2 11253 Placer Junction U.S. 40 & U.S. 395, Truckee River Road to Lake Tahoe, Sierran Montane Forest, Sierra Nev. Mts. 1889 Comment
  POM286330  Castilleja pilosa Lyman Benson 1942-7-2 11253 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CHSC73996  Castilleja tenuis Susie Urie 1998-8-17 98 -054 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  OBI9365  Castilleja tenuis Robert F. Hoover 1967-9-5 10841 Placer Carnelian bay, Lake Tahoe Comment
  UCD21601  Castilleja tenuis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1266 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  CHSC106017  Ceanothus William Williams 1986-6-15 Placer Norden. Hill at top of ski lift. Comment
  UCD143727  Ceanothus arcuatus F. Felix, E. Krimmel 2013-5-26 47 -A Placer North Fork/Chickering American River Reserve. Where Cedar Meadows trail meets Cedar Creek Falls. Comment
  UCD162758  Ceanothus arcuatus Dylan O. Burge; J. Bisbee 2014-5-25 1637 Placer Soda Springs Road. 2009 Comment
  UCD73531  Ceanothus arcuatus William Williams 1986-6-15 s. n. Placer Norden. Comment
  CAS-BOT-BC47892  Ceanothus cordulatus L. S. Rose 1941-7-14 41315 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  CAS-BOT-BC47893  Ceanothus cordulatus E. A. McGregor 1909-8-12 87 Placer Grass Lake 2194 Comment
  LA27683  Ceanothus cordulatus L. S. Rose; 1941-7-14 41315 Placer Chambers Lodge, Lake Tahoe 1900.0 Comment
  OBI20163  Ceanothus cordulatus David J. Keil 1978-7-23 12941 Placer Cisco Grove exit from i-80 just E of Nevada Co line 1768 Comment
  SD7261  Ceanothus cordulatus T. S. Brandegee 1889-7-1 Placer Donner Lake Comment
  CAS-BOT-BC49069  Ceanothus cuneatus Mary Elizabeth Jump 1939-4-16 s.n. Placer Near Colfax on old county road to Gold Run Comment
  SACT002905  Ceanothus cuneatus Michael Baad 1977-6-3 Placer Collected 1.2 mile west of camp. In serpentine outcrop with Jeffery pine. 1219.2 Comment
  UCR238579  Ceanothus cuneatus subsp. cuneatus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18656 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UCD22199  Ceanothus fresnensis Beth Lowe Corbin 1982-8-4 215 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 20% inclination. Full sun. Locally common. In opening in montane chaparral, inrocky, fine, sandy, granitic soil. Low, compact, rigidly branched shrub. Light dry bark, reddish twigs and fruit. Less than 1 ft tall, 3 ft across. 1950 Comment
  CAS-BOT-BC50799  Ceanothus integerrimus Marcus E. Jones 1882-6-28 2656 Placer Emigrant Gap Comment
  SACT002925  Ceanothus integerrimus Michael Baad 1977-6-1 Placer North of Iowa Hill Ditch 1341.12 Comment
  UC1602375  Ceanothus integerrimus Katharine Brandegee 1889-7-7 Placer Blue Canyon Comment
  UCD16102  Ceanothus integerrimus Dan Cederquist 1984-5-22 s.n. Placer California. Placer County: Rollins Lake. Comment
  UCD164646  Ceanothus integerrimus Brandi Sorensen 1995-6-1 21 Placer .73 kilometers northwest of Colfax. 671 Comment
  CAS-BOT-BC63354  Ceanothus prostratus Mary E. Jump 1939-4-23 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63395  Ceanothus prostratus M. S. Jussel 1928-6-25 s.n. Placer Tahoe City near school. Comment
  CAS-BOT-BC63397  Ceanothus prostratus C. L. Hitchcock 1940-5-7 6330 Placer Ca. 1 mi. w. of Baxter. Comment
  JEPS72615  Ceanothus prostratus Gladys L. Smith 1972-8-25 3445 Placer trail above Squaw Valley complex 2133 Comment
  UCD112643  Ceanothus prostratus Amelie Blyth 1952-5-11 9 -4 Placer One mile north of Forest Hill. Comment
  UCD112646  Ceanothus prostratus Beecher Crampton 1956-7-17 3732 Placer Placer County, 1.5 miles north of Blue Canyon. 1524 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
  UC423120  Ceanothus tomentosus Katharine Brandegee June 1908 Placer between Magra and Cape Horn; between Magra and Cape Horn Comment
  CAS-BOT-BC52883  Ceanothus tomentosus var. tomentosus H. E. McMinn 1926-5-29 1708 Placer 10.6 mi. west of Crystal Springs Comment
  RSA6523  Ceanothus velutinus Jens Clausen 1932-9-15 48 Placer 2 miles W of Tahoe Tavern on the Truckee road. 1860 Comment
  UC569880  Ceanothus velutinus N. French 1934-6-19 428 Placer 1/4 mi nw Devil's Peak; Tahoe National Forest, Truckee Quad. Comment
  UCD150853  Ceanothus velutinus James A. Neilson Jr. 1970-8-5 1746 Placer Tahoe Basin. Yard in Tahoe City. 1901 Comment
  JEPS44132  Centaurea melitensis W. H. Shockley Jun 1886 Placer Auburn Comment
  CHSC85696  Centaurea stoebe subsp. micranthos Breckenridge 1998-7-22 389790 Placer Sierra Nevada. Around parking lots, condos, and trails at Silver Strike and Northstar Drive near Truckee. Comment
  SDSU7110  Centaurium tenuiflorum D. F. Howe 1961-8-8 3137 Placer By canal 4 miles north of Auburn. 457 Comment
  CAS-BOT-BC384866  Cerastium Saichi Kawahara 1969-5-25 903 Placer Mel Henderson Ranch, east bank of Indian Creek 987 Comment
  RSA0005546  Cerasus kelloggiana Marcus E. Jones 1882-6-28 2693 Placer Emigrant Gap. 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
  UCD159478  Chaenactis douglasii D. S. Park 2010-8-21 231 Placer Off Hampshire Rocks Rd. Shaded understory. Not adundant. Few individuals near dried creek bed. 1806 Comment
  CAS-BOT-BC276713  Chaenactis douglasii var. douglasii Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles S of French Meadows 1600 Comment
  CAS-BOT-BC276714  Chaenactis douglasii var. douglasii F. Almeda 1993-7-24 7275 Placer About 15 miles SE of Interstate Highway #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CAS-BOT-BC276718  Chaenactis douglasii var. douglasii Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  UC1119684  Chaenactis douglasii var. douglasii N. French 1934-6-22 440 Placer 1/2 mi w of Lake Van Norden; Truckee 2286 Comment
  UCR189300  Chaenactis douglasii var. douglasii George K. Helmkamp, E. A. Helmkamp 2007-7-27 12625 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  CAS-BOT-BC276716  Chaenactis douglasii var. douglasii Alice Eastwood 1909-1-1 149 Placer Sand Harbor, Lake Tahoe Region Comment
  CAS-BOT-BC283969  Chaenactis glabriuscula var. glabriuscula L. S. Smith 1925-7-14 1680 Placer French Meadows, Tahoe Forest 1828 Comment
  NY163287  Chaenactis rubricaulis H. A. Walker 1910-6-22 176 Placer Deer Park, in the Sierra Nevada 1970 Comment
  SEINET1783833  Chaenactis rubricaulis H. A. Walker 1910-6-22 2170 Placer Deer Park, in the Sierra Nevada. 1970 Comment
  CHSC75010  Chamaebatia foliolosa Sabbina M. Lau 1989-5-20 13 Placer 20 miles out of Auburn on Foresthill Rd. 1036 Comment
  SEINET3025876  Chamaebatia foliolosa Marcus E. Jones 1882-6-28 3297 Placer Emigrant Gap. Comment
  SEINET3392250  Chamaebatia foliolosa E. D. McArthur 1982-1 EDM- 1361 Placer East of Auburn; along the road to Forest hill Comment
  UCD112939  Chamaebatia foliolosa K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, 4 miles east of Forest Hill (town). Western Sierra foothills. 900 Comment
  JEPS14354  Chamaesyce serpyllifolia Rimo Bacigalupi with Stebbins, Hawkes, Ehrendorfer, Stutz, Zohary, and Hunziker 1952-7-19 3869 Placer 5 mi e Iowa Hill (roadside near crossing of the n fork of Shirttail Creek, on the rd to Damascus) 1097 Comment
  UCD103665  Chamerion angustifolium subsp. circumvagum G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12641 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  CAS-BOT-BC68282  Cheilanthes cooperae J. C. Hawver; Mary Elizabeth Parsons 1912-7-7 s.n. Placer Lime Rock, Clipper Gap Comment
  POM281060  Cheilanthes gracillima Lyman Benson 1933-6-26 4532 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 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
  SCFS11529151  Chimaphila umbellata E. Krimmel 2014-6-26 Placer On trail in woods, 1/8-mile above Heath Falls Overlook Comment
  CAS-BOT-BC451470  Chimaphila umbellata Miss Ireland 1920-1-1 s.n. Placer Unspecified Comment
  RSA782551  Chlorogalum pomeridianum George K. Helmkamp, Amy Barnes 2009-7-12 15172 Placer along Foresthill Road at the northeast end of the city of Foresthill 985 Comment
  UCD19085  Chloropyron molle subsp. hispidum Robert F. Holland; Virginia I. Dains 1982-8-16 1210 Placer about 4 mi. NW of Rocklin, headwaters of Pleasant Grove Creek. in Spring Valley. 45 Comment
  UCD130412  Chondrilla juncea G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12965 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road 15 miles east of Foresthill. 832 Comment
  CDA33066  Chondrilla juncea CDFA staff Placer Rocklin. 0 Comment
  UC1135238  Chrysolepis sempervirens N. French 1933-7-14 87 Placer Greek Store; Tahoe National Forest, Colfax Quad. 1676 Comment
  UCD110125  Chrysolepis sempervirens Beecher Crampton 1972-9-28 8883 Placer ca. 1 mile east of Baxter. Comment
  UCD150765  Chrysolepis sempervirens James A. Neilson Jr. 1970-8-1 1695 Placer Tahoe Basin, SW Tahoe City. 1901 Comment
  UC1119744  Cichorium intybus N. French 1933-6-26 83 Placer Clipper Gap Comment
  SACT000747  Cinna latifolia D. Meyer 1984-9-23 Placer Road to Barkers Pass, moist north facing slope hillside seeping water. 2109.0 Comment
  SACT000749  Cinna latifolia D. Meyer 1984-7-29 Placer 1661.0 Comment
  UCD21997  Circaea alpina subsp. pacifica Beth Lowe Corbin 1982-8-6 261 Placer 1/8 mile W of Onion Creek campground. In fine, sandy soil along stream's edge. Flowers white. Mostly shade. SW facing slope, 10% incline. Uncommon. 1844 Comment
  RSA0056565  Circaea alpina subsp. pacifica Greg de Nevers 1995-8-20 10768 Placer Lake Tahoe. 1828 Comment
  JEPS59281  Cirsium andersonii W. L. Jepson 1918-8-20 8076 Placer Lake Tahoe, Tahoe 1905 Comment
  UCD130514  Cirsium andersonii G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12650 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  SEINET7451074 Image available Cirsium andersonii P. A. Lehenbauer 1933-8-6 3177 Placer Lake Tahoe near Homewood Comment
  UCD130420  Cirsium arvense Beecher Crampton 1961-9-27 6019 Placer Blue Canyon. 1430 Comment
  CDA35793  Cirsium arvense Linda Carlson 2011-10-17 PDR# 1611215 Placer Northstar Resort; Northstar Drive and Home Run Ski Return. 0 Comment
  CDA39087  Cirsium occidentale var. californicum Preston Neufeld 2013-7-3 PDR# 310 P06129931 Placer Mosquito Ridge Road. 0 Comment
  CDA20204  Cirsium vulgare N. Macleod 2003-8-19 PDR 1417960 Placer Sierra Nevada; Carnelian Bay Rd and North Lake Blvd, Carnelian Bay. 0 Comment
  CAS-BOT-BC228887  Cistanthe umbellata A. A. Heller 1927-8-16 14448 Placer Near the summit of Donner Pass Comment
  CAS-BOT-BC162649  Clarkia John Thomas Howell; Gordon H. True 1971-5-26 47625 Placer Northern limits of Lincoln 48 Comment
  UCR208555  Clarkia affinis George K. Helmkamp, E. A. Helmkamp 2009-5-11 14670 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
  RSA25331  Clarkia arcuata C. L. Hitchcock 1940-5-15 6410 Placer 6 miles N of Colfax Comment
  UC930772  Clarkia biloba A. A. Heller 1917-6-19 12746 Placer 4 mi e Colfax Comment
  UCR173729  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10708 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  UCR218115  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2010-6-26 16379 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CHSC1106  Clarkia purpurea V. Holt 1942-6-12 Placer Near Lincoln. 30 Comment
  UCD104859  Clarkia purpurea E. J. Kinbacher 1953-4-28 15 Placer 1 mile W of Rocklin. 51 Comment
  SBBG29106  Clarkia purpurea subsp. purpurea L. Constance 1941-5-28 2821 Placer 2 mi N of Lincoln 60 Comment
  UCR219652  Clarkia purpurea subsp. viminea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16414 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  UCD105047  Clarkia unguiculata H. T. Hartmann 1941-6-21 s.n. Placer Near Auburn. 243 Comment
  UCR218449  Clarkia unguiculata George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16420 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
  CDA12000  Claytonia lanceolata G. F. Hrusa 1995-5-2 12181 Placer Sierra Nevada; Near intersection of Mosquito Ridge Rd. and Jarvis Rd. on spur to Placer Redwood Grove. Comment
  UCD41270  Claytonia parviflora subsp. grandiflora Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1726 Placer East of Hwy 80 and town of Colfax, western side of canyon of North Fork of the American River. Along Iowa Hill Road, about 1.8 road miles east of intersection with Canyon Way in Colfax. 518 Comment
  UCD164650  Claytonia parviflora subsp. parviflora Brandi Sorensen 1995-6-1 28 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCR238577  Claytonia perfoliata subsp. perfoliata George K. Helmkamp, E. A. Helmkamp 2012-3-31 18658 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UC147596  Claytonia rubra subsp. rubra Harriet A. Walker 1908-6-23 1247 Placer Blue Canyon Comment
  UCD21923  Claytonia rubra subsp. rubra Rex Palmer 1979-6-8 N 123 Placer Headwaters basin area of the North Fork of the American River Comment
  LA207188  Clematis lasiantha Annetta M. Carter; 1937-4-25 1249 Placer Between Folsom and Auburn, 6.5 mi SE of Loomis 152 Comment
  SEINET12087595  Clematis lasiantha Unknown 1937-1 1248 Placer Between Folsom and Auburn, 6.5 mi SE of Loomis 152 Comment
  JEPS26110  Collinsia parviflora Peter H. Raven 1958-6-14 13212 Placer w side Donner Pass 2164 Comment
  POM259992  Collinsia parviflora C. Leo Hitchcock 1940-5-14 6395 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  POM49315  Collinsia parviflora Marcus E. Jones 1882-6-27 3293 Placer Emigrant Gap. Comment
  UC1551949  Collinsia parviflora Aaron Liston 1988-3-14 695 Placer 3.5 mi n of Auburn (Dry Creek Road); Dry Creek Road 450 Comment
  UCD21865  Collinsia parviflora Rex Palmer 1979-6-20 N 344 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA36880  Collinsia sparsiflora CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  RSA785458  Collinsia tinctoria George K. Helmkamp, E. A. Helmkamp 2010-6-26 16369 Placer junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UC148965  Collinsia torreyi var. wrightii H. M. Hall 1910-6-28 8724 Placer Sierra Nevada Mountains, Head of Fordyce Creek Fordyce Creek; Sierra Nevada Mountains, Head of Fordyce Creek 2103 Comment
  UCD21870  Collinsia torreyi var. wrightii Rex Palmer 1979-6-19 N 265 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET5501098  Collomia grandiflora Sally Walker 1982-8-4 Placer Tahoe City Comment
  POM260278  Collomia heterophylla C. L. Hitchcock 1940-5-7 6315 Placer 1 mile west of Baxter. Comment
  UCD41265  Collomia heterophylla Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1722 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  JEPS127511  Collomia tinctoria Steve Matson 2000-6-24 455 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek. Comment
  UC879804  Collomia tinctoria Alice Eastwood Jun 15 1912-Jun 19 1912 459 Placer Tahoe City Lake Tahoe Region Comment
  JEPS60484  Cordylanthus pilosus subsp. hansenii T. I. Chuang and L. R. Heckard 1969-8-20 6733 Placer n side of city limit Auburn (on Hwy 49) Comment
  JEPS6795  Cordylanthus tenuis subsp. tenuis W. L. Jepson 1918-8-20 8075 Placer Lake Tahoe Tahoe City 1905 Comment
  JEPS88781  Cordylanthus tenuis subsp. tenuis T. I. Chuang and F. M. Chuang 1990-8-11 7820 Placer Gold Run Comment
  SD237614  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2007-6-27 12629 Placer Sierra Nevada Mountains Foothills: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 (Cisco Grove 7.5'Q) 1744 Comment
  UCR231828  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16770 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  RSA412351  Cordylanthus tenuis subsp. tenuis Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  HSC6412  Cornus nuttallii R. A. Magie 1964-6-12 105 Placer 3 mi. W of Hwy. 40 on Hwy. 20, 100 ft. W of Nevada Co. line. 1768 Comment
  SEINET8083566  Cornus nuttallii W. Priest 1956-4-16 s.n. Placer On U.S. Highway 40 just west of Baxter. 1067 Comment
  JEPS126343  Cornus sericea subsp. sericea Steve Matson 1998-9-1 394 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt roas extension of North Ave. at junction with west fork of Snow Creek. Comment
  UC875910  Cornus sericea subsp. sericea Marcus E. Jones, A. M. 1882-6-28 3289 Placer Emigrant Gap Comment
  RSA463236  Cornus stolonifera J. H. Nishida 1985-7-10 773 Placer Homewood. 1829 Comment
  RSA0019567  Cornus stolonifera C. B. Wolf 1930-10-10 1727 Placer West slope Sierra Nevada; 1 mile east of Cisco. 1829 Comment
  UC9955  Corydalis caseana subsp. caseana C. F. Sonne June 1887 Placer ravine on Truckee R. Truckee R. Comment
  CAS-BOT-BC287203  Cota tinctoria Beecher Crampton 1972-7-26 8853 Placer Carpenter Flat E of Emigrant Gap, above meadow and just downslope from a cabin 1615 Comment
  UCD21882  Crepis Rex Palmer 1979-6-9 N 130 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UC346584  Crepis modocensis L. S. Smith Sept. 1927 Placer 6 mi due w Tahoe City (on drainage of Whiskey Creek, w of Squaw Peak); Five Lakes Comment
  UC148921  Crepis occidentalis H. M. Hall 1910-7-4 8743 Placer n slope near Cisco; Sierra Nevada Mountains 1889 Comment
  CHSC82604  Cryptantha affinis Lowell Ahart 2002-7-22 9880 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
  SEINET9343024  Cryptantha affinis George Hrusa, Glazner, J. 1999-7-17 15184 c Placer Martis Valley, off Hwy 267, S of Truckee. Abies concolor forest with rock outcrops. Disturbed in some places. More mesic than other areas dominated by Pinus jeffreyi. Occasional in +- formerly disturbed areas. Comment
  UC1063927  Cryptantha affinis B. Bolt 1934-7-17 127 Placer 0.5 mi s Lost Emigrant Mine; Tahoe National Forest, Truckee Quad. 2072 Comment
  UC112808  Cryptantha affinis Katharine Brandegee Placer near Cape Horn Comment
  UC1178527  Cryptantha affinis Malcolm A. Nobs 1950-9-24 Placer e slope Squaw Peak 1828 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
  POM126494  Cryptantha torreyana Helen D. Geis 176 Placer Deer Park. Comment
  CAS-BOT-BC68070  Cryptogramma acrostichoides G. W. Dunn 1895-9-14 s.n. Placer Summit Comment
  SEINET4064779  Cryptogramma acrostichoides G. B. Grant 2006-1 Placer Collected at Lake Tahoe in the Sierra Nevada Mountains. 1828 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
  CAS-BOT-BC224542  Cuscuta californica John Thomas Howell 1929-10-4 4434 Placer Four miles below Colfax on road to Auburn Comment
  UCD126296  Cuscuta howelliana F. T. Griggs 1978-5-19 s.n. Placer 300 meters west of junction with Karchner Road, 1.7 miles east of Sheridan. Comment
  UCD150750  Cuscuta subinclusa James A. Neilson Jr. 1971-8-31 2568 Placer Tahoe Basin, 600' above Bucks Lake on logging road. 2438 Comment
  SEINET13943845 Image available Cymopterus terebinthinus Peter H. Raven 1950-1 2436 Placer Brushy granitic hillslope, Ice lakes. to Soda Springs. Comment
  UCD126487  Cymopterus terebinthinus var. californicus Rex Palmer 1979-6-21 N 418 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR246831  Cymopterus terebinthinus var. californicus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16665 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  UCD60115  Cynodon dactylon A. A. Beetle 1941-6-27 2731 Placer 1 mile north of Lincoln. Comment
  UC193939  Cynoglossum occidentale C. F. Sonne 1887-7-10 Placer between Truckee and Tahoe (on rd. to Tahoe) Comment
  SACT000850  Cynosurus echinatus Michael Baad 1983-5-5 Placer One mile north of placer Hills Road on Milk Ranch Road. 2 miles from Colfax, open hillside, north-facing slope. 609.6 Comment
  UCD60169  Cynosurus echinatus Walter N. Johnson 1956-7-25 s. n. Placer North of Auburn. 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
  CAS-BOT-BC114549  Cyperus eragrostis W. R. Dudley 1909-8-13 s.n. Placer Field near Little York Comment
  RSA92359  Cyperus niger var. capitatus Beecher Crampton 1953-11-4 1734 Placer Along an irrigation canal, Sunnybrook Hereford Farm, 2 miles north of Lincoln Comment
  CDA15976  Cyperus squarrosus G. F. Hrusa, J. Glazner 1999-7-17 15172 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC70579  Cystopteris fragilis A. A. Heller 1917-8-14 12931 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  CAS-BOT-BC198183  Cytisus scoparius Saichi Kawaha 1969-5-25 1028 Placer Near B.M. 2393, Nigger George Ravine, Colfax-Iowa Hill Road 729 Comment
  CAS-BOT-BC198184  Cytisus scoparius M. F. Wojciechowski 2002-6-25 1000 Placer Roadside along US interstae highway I-80, near Dutch/Flat Gold Run exit. 944 Comment
  UCD164628  Cytisus scoparius Brandi Sorensen 1995-6-1 26 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD34291  Cytisus scoparius Beecher Crampton 1978-9-18 9667 Placer Placer County, Secret Town, Magra road offramp, Hwy. 80. Comment
  UCD39019  Cytisus scoparius Beecher Crampton 1960-11-2 5792 Placer 2 miles east of Bowman, along US Hwy. 40. Comment
  UCD43181  Dactylis glomerata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 550 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SACT000877  Dactylis glomerata 1925-5-29 Placer No determiner/collector listed. Comment
  UCD60697  Danthonia californica var. americana Beecher Crampton 1956-7-17 3731 Placer 1.3 miles north of Blue Canyon. 1524 Comment
  UCD60963  Danthonia californica var. americana August L. Hormay 1932-7-7 s. n. Placer Upper Truckee River. Comment
  SACT000897  Danthonia unispicata Michael Baad 1976-6-16 Placer Descending down to the North Fork of the American Rver, southwest corner of SEC29. Granite boulders. Comment
  UCD43386  Danthonia unispicata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 754 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD61351  Danthonia unispicata Beecher Crampton 1964-7-21 7116 Placer 1/2 mile WNW of Cisco Grove, U.S. Hwy. 40. 1706 Comment
  UCD22271  Dasiphora fruticosa Rex Palmer 1979-6-20 N 351 Placer Headwaters basin area of the North Fork of the American River Comment
  SCFS1193  Dasiphora fruticosa E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. Meadow with pines past Bailey, on river trail. Comment
  CDA25788  Daucus carota G. K. Helmkamp, E. A. Helmkamp 2007-10-28 13104 Placer Sacramento Valley; Along Nicolaus Road 5.8 miles west of Lincoln. Comment
  UCR233273  Daucus carota George K. Helmkamp, E. A. Helmkamp 2011-7-9 17676 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  UC188641  Delphinium C. F. Sonne 1886-6-13 Placer meadows Little Truckee River Comment
  CAS-BOT-BC8975  Delphinium depauperatum A. A. Heller 1917-6-17 12700 Placer near the Yuba River beclow Cisco 1676 Comment
  UCD22178  Delphinium depauperatum Beth Lowe Corbin 1982-8-4 229 Placer 1/3 mile NW of Onion Creek Campground. SW facing slope, 10% inclination. Uncommon. Partial sun. Opening in white fir forest on rocky, fine, sandy soil. Flowers deep blue, with white markings. 1981 Comment
  CAS-BOT-BC8777  Delphinium gracilentum Carlton Elmer Purdy 1933-1-1 s.n. Placer Cisco Comment
  RSA113242  Delphinium gracilentum E. K. Balls, Lee W. Lenz 1955-5-12 20472 Placer 0.8 miles W of El Dorado Placer County line, Hwy 49 to Auburn. 366 Comment
  CAS-BOT-BC116095  Delphinium nuttallianum A. A. Heller 1919-7-26 13311 Placer Summit meadows west of Donner Pass. 2072 Comment
  UCD22180  Delphinium nuttallianum Rex Palmer 1979-7-22 N 607 Placer Headwaters basin area of the North Fork of the American River Comment
  POM199454  Delphinium nuttallianum A. Hardy 1893-1 s.n. Placer [Unspecified] Comment
  CAS-BOT-BC116438  Delphinium patens subsp. patens C. L. Hitchcock 1940-5-7 6334 Placer ca. 1 mile west of Baxter Comment
  SEINET5338071  Delphinium sonnei A. A. Heller 1909-7-16 9856 Placer Summit 2134 Comment
  CAS-BOT-BC121999  Delphinium variegatum Kate E. Phelps 1937-5-25 s.n. Placer Dutch Flat Comment
  SEINET5338167  Delphinium variegatum A. Beninghoff 1930-4-20 1458 Placer Lincoln Comment
  UC467786  Delphinium variegatum subsp. variegatum Francis Ramaley 1917-4-24 11141 Placer wooded hills Auburn Comment
  UCD15609  Dendromecon rigida Lisa Montany 1985-5-18 28 Placer Mosquito Ridge Rd, 14.3 miles west of Forest Hill Rd. Comment
  UCD94651  Dendromecon rigida Beecher Crampton 1955-6-15 2900 Placer Placer County, 3 miles west of Iowa Hill. 914 Comment
  SACT000903  Deschampsia cespitosa D. Meyer 1984-7-21 Placer Moist roadside ditch and pine wooded area dense shade. 1927.0 Comment
  CAS-BOT-BC192430  Deschampsia cespitosa subsp. cespitosa Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  CHSC96461  Deschampsia danthonioides Lowell Ahart; Brian Williams 2007-4-13 13668 Placer On the bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CAS-BOT-BC201881  Deschampsia elongata L. S. Smith 1939-7-1 s.n. Placer Ice Lake, route to Soda Springs. Tahoe National Forest Comment
  SACT000931  Deschampsia elongata Michael Baad 1983-8-21 Placer On road from Soda Springs to lakes. 2.2 miles south-west of I80 exit to Soda Springs. 2019.0 Comment
  SACT000943  Deschampsia elongata D. Meyer 1983-8-7 Placer 1879.0 Comment
  SACT000952  Deschampsia elongata D. Meyer 1983-8-7 Placer Near gate leading into ski area parking lot, moist meadow with many sedges. 207.0 Comment
  CAS-BOT-BC39744  Descurainia californica Margaret Williams 1974-8-8 74 -P1-19 Placer Sierra Nevada. Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  JEPS59424  Descurainia incisa subsp. incisa Ezra Brainerd and Viola B. Baird 1915-7-5 144 Placer Squaw Valley; Sierra Nevada Mts. 1920 Comment
  UCR235422  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18955 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  SDSU7279  Dicentra formosa D. R. Harvey 1960-5-29 Placer Between Forest Hill & Colfax. Comment
  UCD166866  Dichelostemma capitatum Robert E. Preston 2016-3-31 3049 Placer Yankee Slough Preserve, 2.35 mi SSW of Sheridan. 34 Comment
  UCD148230  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-3-16 2891 Placer 4 mi E of Lincoln, at jct Newcastle Rd and Clark Tunnel Rd. 112 Comment
  SEINET8472367  Dichelostemma capitatum subsp. capitatum Killinger 1962-3-17 s.n. Placer North Fork American River, 3 miles E of Auburn. 366 Comment
  UCD139198  Dichelostemma capitatum subsp. capitatum Craig P. Martz 1982-3-26 39 Placer On Clark Tunnel Road, 2.1 miles south of intersection with State Highway 193. 274 Comment
  SEINET3885610  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12006 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 2.8 miles southeast of Foresthill (Foresthill 7.5' Q.).; 0 814 Comment
  UCD15480  Dichelostemma multiflorum Robert Burke 1984-5-26 21 Placer 16 miles E of Forest Hill Rd on F.S. 97. 1280 Comment
  UCD139268  Dichelostemma volubile A. S. Crafts 1926-5-1 1817 Placer American River Canyon. Comment
  SACT000968  Digitaria sanguinalis Josephine Van Ess 1976-7-18 Placer Collected just southwest of Seven Cedars Road. Moist roadside ditch. Comment
  CAS-BOT-BC153787  Diplacus angustatus Alice Eastwood; John Thomas Howell 1937-5-8 4333 Placer Near Auburn on road to Grass Valley Comment
  SEINET188380 Image available Diplacus angustatus C. L. Hitchcock 1940-1 6397 Placer Meier Ranch, ca 6 mi N of Colfax 762 Comment
  SD237617  Diplacus aurantiacus G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15931 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot 7.5'Q) 156 Comment
  SEINET192850  Diplacus torreyi Lewis S. Rose 1941-1 41305 Placer Chamber's Lodge (McKinney), Lake Tahoe 1920 Comment
  CHSC67854  Diplacus tricolor James D. Jokerst 1986-3-19 2598 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. Comment
  CAS-BOT-BC151315  Diplacus tricolor Ella Dales Cantelow 1940-5-13 4424 Placer S.E. of Wheatland Comment
  SACT000996  Distichlis spicata D. Meyer 1984-8-17 Placer 4.8 km west of Blue Canyon exit. 1291.0 Comment
  RSA789880  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2011-11-28 18480 Placer Along Placer CA-193 (Lincoln-Newcastle Hwy), 2.0 miles east of East Street in Lincoln, near Stagecoach Ln. 125 Comment
  UCD78101  Dittrichia graveolens Robert E. Preston 2005-11-9 2368 Placer Between Roseville and Lincoln, at jct Sunset Blvd and Placer Corp Dr. 41 Comment
  CAS-BOT-BC128566  Dodecatheon Saichi Kawahara 1969-7-6 1012 Placer East side of house, Mel Henderson Ranch, east bank of Indian Creek 999 Comment
  CAS-BOT-BC136197  Dodecatheon alpinum Alice Eastwood 1909-1-1 111 Placer Wards Pass - Lake Tahoe Region Comment
  CAS-BOT-BC136198  Dodecatheon alpinum Alice Eastwood 1912-6-15 409 Placer Deer Park - Lake Tahoe Region Comment
  SEINET8561435  Dodecatheon clevelandii F. Martin 1962-3-16 68 Placer 2 miles E of Auburn, above the North Fork of the Yuba River. 274 Comment
  SEINET8561743  Dodecatheon hansenii F. Brunetti 1962-3-17 s.n. Placer 2 miles E of Auburn, above North Fork American River. 274 Comment
  SEINET8561854  Dodecatheon hendersonii H. E. Hodge 1956-3-18 3 Placer Off of US Hwy 40, ca 7 miles NW of Colfax. 617 Comment
  UC766287  Downingia bicornuta var. picta R. F. Hoover 1939-5-10 4091 Placer Lincoln Comment
  JEPS18157  Downingia ornatissima var. ornatissima Rimo Bacigalupi with G. T. Robbins and F. Chisaki 1956-4-20 5629 Placer along Antelope to Roseville road (at Sacramento-Placer County line) 42 Comment
  JEPS43776  Downingia ornatissima var. ornatissima Lynn Gould 1962-4-17 54 Placer 6 mi w Roseville (on P.F.E. Road) Comment
  UC117690  Draba novolympica C. F. Sonne July 1892 Placer Tinker's Knob Sierra Nevada, Tinker's Knob 2743 Comment
  JEPS126416  Draba verna Steve Matson 2004-4-14 1027 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards north of Highway 267; 200 yards west of Martis Creek. Comment
  UC147857  Draperia systyla Harriet A. Walker 1908-6-24 1361 Placer Blue Canyon 1432 Comment
  UC1035889  Drosera rotundifolia Annie M. Alexander and Louise Kellogg 1946-8-20 5163 Placer Squaw Valley Sierra Nevada, Lake Tahoe region Comment
  UCD44008  Drymocallis glandulosa var. glandulosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1374 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC1128193  Drymocallis lactea Ben Bolt 1934-7-16 163 Placer 1/2 mi s Emigrant Mine; Tahoe National Forest, Truckee Quad. Comment
  CHSC9520  Drymocallis lactea var. austiniae J. F. Goodwin 1971-7-10 152 Placer By creek approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 1981 Comment
  CAS-BOT-BC157895  Drymocallis lactea var. lactea Geo. B. Grant 1906-7-15 7000 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC109479  Dudleya Saichi Kawahara 1969-5-24 823 Placer Overlooking north fork of the American River. Colfax-Iowa Hill Road between Dinner Tree and Windy Point. 585 Comment
  UCD19111  Dysphania pumilio A. M. Shapiro 1987-10-16 s.n. Placer Southern Pacific Right-of-way. 2103 Comment
  SACT001035  Echinochloa colona D. Meyer 1984-8-19 Placer 6.4 km north of I80. 103.0 Comment
  SEINET245838 Image available Echinochloa crus-galli Beecher Crampton 1965-9-13 7497 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  CDA1629  Egeria densa R. L. Reeves 1977-1-13 Placer Pond at 990 Stonewood Road, Newcastle. 0 Comment
  CAS-BOT-BC113605  Eleocharis acicularis Ira L. Wiggins 1933-8-21 6787 Placer Shores of Lake Tahoe, near Tahoma Comment
  UC838775  Eleocharis acicularis Ira L. Wiggins 1933-8-21 6787 Placer shores of lake near Tahoma; Lake Tahoe Comment
  UCD49800  Eleocharis macrostachya Lynn Gould 1962-4-8 34 Placer On P.F.E. Road, 6 miles west of Roseville, Placer County, California. 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
  UC1100584  Eleocharis palustris Malcolm A. Nobs, S. Galen Smith 1949-8-21 1508 Placer marsh between Sandy Beach and Agate Bay Lake Tahoe, N end; Marsh Plant Survey Comment
  UC710554  Eleocharis quinqueflora John Thomas Howell 1943-7-19 18575 Placer Summit Valley Comment
  OBI60156  Elodea nuttallii David J. Keil, with Kathleen A. Keil 1999-7-17 28379 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  UCD36123  Elymus X hansenii Beecher Crampton 1952-11-9 928 Placer Placer County, 6 miles east of Auburn, 1 mile south of Meadow Vista. 457 Comment
  SACT001059  Elymus caput-medusae Josephine Van Ess 1975-5-23 Placer Grassy slope ot base of Volcano Hill in pasture. 915.0 Comment
  CAS-BOT-BC227592  Elymus elymoides John Thomas Howell 1943-7-25 18815 Placer West side of Donner Pass near Norden 2133 Comment
  SACT001070  Elymus elymoides James Grove 1977-7-15 Placer Slopes of Granite Chief, Emigrant Gap, and Lyon Peak. 609.0 Comment
  UCD61513  Elymus elymoides L. M. Sparks 1912-8-1 17 Placer Lake Tahoe. 1920 Comment
  SEINET3440054 Image available Elymus elymoides George K. Helmkamp, E. A. Helmkamp 2011-7-26 17862 Placer Northern Sierra Nevada Mountains: Emigrant Gap Road, 0.1 mi W of junction with US-80, 0.65 mi NE of Emigrant Gap 1590 Comment
  UC790925  Elymus elymoides subsp. elymoides A. A. Beetle 1941-5-25 2688 Placer 10 mi w Colfax 762 Comment
  UCD44638  Elymus elymoides subsp. elymoides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2004 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CDA31705  Elymus glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  POM264449  Elymus glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  SACT001089  Elymus glaucus D. Meyer 1983-8-20 Placer Collected on way to summit off trail at first lake, steep rocky trail with some moist meadow areas. 2000.0 Comment
  SACT001090  Elymus glaucus D. Meyer 1983-8-20 Placer Moist roadside meadow with some vegetation after residential construction. 2000.0 Comment
  SACT001112  Elymus glaucus Michael Baad 1983-7-1 Placer .4 mile beyond airport road from I80 to Blue Canyon 1584.96 Comment
  UC1131688  Elymus glaucus B. Bolt 1934-8-14 174 Placer Red Star Ridge Tahoe National Forest, Truckee Quadrangle (e slope) Comment
  UC1137021  Elymus glaucus August L. Hormay 1932-7-8 Placer 3 mi s Tavern (w side of lake); Lake Tahoe Comment
  UCD62275  Elymus glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax. Comment
  UCD61697  Elymus glaucus subsp. glaucus Beecher Crampton 1955-6-15 2911 Placer 1/2 mile north of Forest Hill. 975 Comment
  SACT001087  Elymus glaucus subsp. jepsonii D. Meyer 1983-7-24 Placer North of Interstate 80, roadside. 909.0 Comment
  SACT001105  Elymus glaucus subsp. jepsonii Michael Baad 1977-6-21 Placer Grant Gap 1097.0 Comment
  UC1131700  Elymus glaucus subsp. jepsonii B. Bolt 1934-7-3 73 Placer Sawtooth Ridge Tahoe National Forest, Colfax Quadrangle (top) Comment
  UCD62477  Elymus multisetus Beecher Crampton 1961-9-27 6014 Placer 1 mile west of Cisco Grove. 1706 Comment
  CHSC74340  Elymus trachycaulus subsp. trachycaulus Susi Urie 1998-9-2 98 -212 Placer Lake Tahoe Basin-National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  CDA18049  Elytrigia intermedia K. Connelly 1999-8-2 PDR 1223707 A Placer Along side of Rd 8, off of Hwy 89, Truckee. 0 Comment
  JEPS129003  Epilobium brachycarpum Steve Matson 1997-7-25 2703 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/ Kings Beach; 30 m east of pond near highway. Comment
  UCR241352  Epilobium canum George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19811 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
  CAS-BOT-BC171968  Epilobium canum subsp. latifolium Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CAS-BOT-BC171972  Epilobium canum subsp. latifolium G. W. Dunn 1895-9-1 s.n. Placer Summit Comment
  JEPS44034  Epilobium canum subsp. latifolium L. S. Smith 1927-8-12 2220 Placer Squaw Creek and below Tahoe National Forest, Upper basin 2286 Comment
  JEPS72759  Epilobium canum subsp. latifolium Gladys L. Smith 1972-8-25 3443 Placer glacial stairsteps above Squaw Valley (on trail to Granite Chief) 2225 Comment
  UC570211  Epilobium canum subsp. latifolium B. Bolt 1934-8-13 169 Placer Red Star Ridge Truckee Quadrangle (e slope) 1859 Comment
  SBBG60114  Epilobium canum subsp. latifolium Milo H. Gates 1879-1 Placer American River Comment
  SEINET9310108  Epilobium ciliatum Unknown 1999-7-17 15155 Placer Martis Valley 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
  CAS-BOT-BC539340  Epilobium ciliatum subsp. ciliatum James A. Neilson, Jr. 1970-7-18 1563 Placer Tahoe Basin, 2 mi NE of Tahoe City [exact location unknown] 1920 Comment
  CHSC72877  Epilobium ciliatum subsp. ciliatum L. P. Janeway; Eric Schroder 1998-7-13 5745 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  JEPS127413  Epilobium ciliatum subsp. ciliatum Steve Matson 2000-7-9 478 Placer nSNH Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area, norht of Highway 267, east fork of Martis Crek. Comment
  JEPS59477  Epilobium ciliatum subsp. ciliatum Ezra Brainerd and Viola B. Baird 1915-7-23 219 Placer Tahoe City Sierra Nevada Mts. Comment
  UCD44728  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2094 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  RSA123118  Epilobium ciliatum subsp. glandulosum H. S. Yates 1936-8-9 5989 Placer 2 miles southwest of Martis Peak. 2287 Comment
  UCD44551  Epilobium ciliatum subsp. glandulosum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1917 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CDA13683  Epilobium densiflorum G. F. Hrusa, J. Glazner 1997-8-3 14043 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CDA25001  Epilobium densiflorum J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  SEINET4691683  Epilobium glaberrimum subsp. glaberrimum George K. Helmkamp, E. A. Helmkamp 2010-1 16794 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. Comment
  POM271516  Epilobium hallianum Lyman Benson 1942-7-2 11249 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  SEINET6637354 Image available Epilobium hallianum A. A. Heller 1919-7-25 13302 b Placer near Yuba River below Cisco 1676 Comment
  UCD44006  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1372 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD106511  Epilobium minutum Frederica Bowcutt 1994-7-22 1949 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  UC1122540  Epilobium obcordatum B. Bolt 1934-7-17 138 Placer 1/2 mi sw Walker Mine (Plot 216); Tahoe National Forest, Truckee Quadrangle Comment
  UC191835  Epilobium obcordatum C. F. Sonne 1893-8-29 Placer near Tinker's Knob Comment
  UCD21994  Epilobium obcordatum Beth Lowe Corbin 1982-8-4 243 Placer 1 1/2 miles north of Onion Creek campground. Flowers purple magenta. Stems purplish at base. Plant forming a mist over rocky, fine, sandy, granitic soil. Edge of loose talus slope, open White Fir forest. Mostly sun. East facing slope, 50% incline. Uncommon, 2 large mats present. 2255 Comment
  CDA36904  Epilobium torreyi CDFA Staff 1995-6-12 s.n. Placer Dry Creek. 0 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-BC57985  Equisetum John H. Thomas; Hazelle A. Thomas 1956-7-21 6205 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 mi. ne. of Sacramento. 2377 Comment
  JEPS52485  Eremocarpus setiger W. L. Jepson 1924-7-18 10601 Placer near Lincoln Comment
  CAS-BOT-BC174292  Eremogone congesta var. suffrutescens G. L. Stebbins 1977-7-1 7734 Placer Above Middle Fork, American River, near Last Chance 1371 Comment
  UCD22167  Eremogone kingii var. glabrescens Rex Palmer 1979-6-19 N 270 Placer Headwaters basin area of the North Fork of the American River Comment
  UC2046012  Ericameria bloomeri Stephen W. Edwards with Katie Colbert 2015-8-7 s.n. Placer Monumental Ridge. Comment
  UCD131325  Ericameria bloomeri Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer Sunnyside on west shore of Lake Tahoe. 1889 Comment
  CAS-BOT-BC294279  Ericameria nauseosa var. speciosa Baki Kasapligil 1974-10-6 4910 Placer Soda Springs, Sugar Bowl 1828 Comment
  CAS-BOT-BC293279  Ericameria suffruticosa A. A. Heller 1917-8-13 12920 Placer Ridge northwest of Donner Pass 2377 Comment
  UC580733  Ericameria suffruticosa B. Bolt 1934-8-23 196 Placer divide between Picaynne and Greyhorse; Tahoe National Forest, Truckee Quad. 2438 Comment
  UCD21886  Erigeron Rex Palmer 1979-6-9 N 164 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  RSA417737  Erigeron F. G. Mart 1934-07 s.n. Placer Red Mt. Comment
  CAS-BOT-BC293592  Erigeron barbellulatus John Thomas Howell 1943-7-21 18666 Placer Mt. Lincoln Comment
  JEPS71581  Erigeron compositus Gladys L. Smith 1972-6-20 3215 Placer open plateau about terminus of summit chairlift; Ward Peak 2621 Comment
  CAS-BOT-BC296765  Erigeron coulteri A. A. Heller 1927-8-16 14454 Placer Donner Pass 2133 Comment
  CHSC73652  Erigeron coulteri L. P. Janeway; Eric Schroder 1998-9-16 6332 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
  UC398626  Erigeron coulteri A. A. Heller 1927-8-16 14454 Placer along streams at Donner Pass (Summit) 2133 Comment
  POM118205  Erigeron foliosus var. hartwegii H. M. Hall 1916-6-4 10154 Placer Bear River at Gautier Bridge, on the westerly slope of the Sierra Nevada along the border between Upper Sonoran and Transition Zones 400 Comment
  UCR173770  Erigeron foliosus var. hartwegii George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10718 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  RSA531316  Erigeron glacialis Walter Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4539 Placer Squaw Valley beyond upper cable car stn. on SW slope. Comment
  UCD21715  Erigeron glacialis Rex Palmer 1979-6-20 N 353 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS41386  Erigeron glacialis var. glacialis C. F. Sonne 1886-7-18 151 Placer Truckee River Sierra Nevada Mountains, Truckee River 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
  RSA794812  Erigeron inornatus var. inornatus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18164 Placer Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  SEINET3246091  Erigeron inornatus var. inornatus G. K. Helmkamp, E. A. Helmkamp 2007-1 12628 Placer Northern Sierra Nevada Mountains: Southeast of Cisco Grove; along local road just before it passes under Interstate-80. 1743 Comment
  UC148922  Erigeron inornatus var. inornatus H. M. Hall 1910-6-10 8750 Placer Cisco 1828 Comment
  UCR190155  Erigeron inornatus var. inornatus George K. Helmkamp, E. A. Helmkamp 2007-8-1 12645 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  RSA0049720  Erigeron miser Dean Wm. Taylor 2013-8-7 21396 Placer Coldstream Valley, headwaters of Cold Creek, draining the southeast flank of Mt. Judah 1889 Comment
  CDA16034  Erigeron peregrinus G. F. Hrusa, J. Glazner 2000-9-3 15679 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UCD43083  Erigeron peregrinus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 451 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC295969  Erigeron philadelphicus Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  SDSU3951  Erigeron philadelphicus D. F. Howe 1948-5-23 1851 Placer American River. 305 Comment
  UC1124311  Eriodictyon californicum C. R. Clar 1933-6-6 131 Placer near Rattlesnake Bridge; Sacramento Quad., near Rattlesnake Bridge Comment
  UCD21942  Eriogonum Beth Lowe Corbin 1982-8-4 219 Placer 1/4 mile NW of Onion Creek campground. In rocky, fine, sandy soil. Opening in montane chaparral. Perennial forming a thick mat. Flowers creme colored. Full sun. SW facing slope, 15% incline. Uncommon. 1950 Comment
  UCD22134  Eriogonum Rex Palmer 1979-6-21 N 406 Placer Headwaters basin area of the North Fork of the American River 2331 Comment
  CAS-BOT-BC256781  Eriogonum incanum Elizabeth Parsons Hawver 1911-8-19 s.n. Placer Madden Creek Amphitheater base of Ellis Pk. top of ridge Comment
  CDA12393  Eriogonum incanum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8521 A Placer Lake Tahoe; Head of Ward Valley. Comment
  UCD22137  Eriogonum incanum Rex Palmer 1979-6-19 N 237 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21612  Eriogonum lobbii E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1280 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
  UCD21939  Eriogonum lobbii Beth Lowe Corbin 1982-8-11 323 Placer 1 3/4 miles SW of Onion Creek campground. In rocky outcrop in montane chaparral. Flowers pinkish, yellowish below. Peduncles decumbent. Full sun. SE facing slope, 30% incline. Occasional. 1935 Comment
  UCD75737  Eriogonum lobbii Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5199 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
  SD243180  Eriogonum lobbii var. lobbii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16668 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  JEPS72783  Eriogonum lobbii var. lobbii Gladys L. Smith 1972-8-25 3424 Placer above Squaw Valley; Granite Chief 2773 Comment
  CAS-BOT-BC249061  Eriogonum marifolium George K. Helmkamp; E. A. Helmkamp 2011-8-26 18189 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
  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
  UC1032142  Eriogonum marifolium N. French 1934-6-4 294 Placer Lake Valley Reservoir Tahoe National Forest, Colfax Quadrangle, Lake Valley Reserv Comment
  CAS-BOT-BC263292  Eriogonum marifolium var. marifolium Arnold Tiehm 1974-8-8 523 Placer South of Murphy's Meadow 2407 Comment
  CHSC67680  Eriogonum marifolium var. marifolium James D. Jokerst 1986-7-13 2717 A Placer Trail from The Cedars, SW of Donner Lake, stop along trail S of Middle Fork American River. 1859 Comment
  CDA25011  Eriogonum nudum J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  UCR229453  Eriogonum nudum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17899 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  CAS-BOT-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
  UC1204700  Eriogonum nudum var. deductum N. French 1934-6-6 350 Placer 1/2 mi w Lake Van Norden; Tahoe NF, Truckee Quadrangle Comment
  SEINET5330910  Eriogonum nudum var. deductum P. A. Lehenbauer 1932-9-11 1438 Placer Carnelian Bay, Lake Tahoe 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
  UCR241766  Eriogonum nudum var. nudum George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19804 Placer Northern Sierra Nevada Mountains, along Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  SD22419  Eriogonum pedunculatum Susan G. Stokes 1932-8-4 Placer Near Auburn Comment
  UCD21941  Eriogonum spergulinum Beth Lowe Corbin 1982-8-17 354 Placer 2 1/2 miles WSW of The Cedars. Along logging road in brushy, White Fir forest. Calyx white with brown midribs. Full sun. NW facing slope, 25% incline. Locally common. 1920 Comment
  UCR136715  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Sierra Nevada Mtns., Chambers Lodge (McKinney), Lake Tahoe 1921 Comment
  UC1395167  Eriogonum spergulinum var. reddingianum James L. Reveal 1971-6-23 2478 Placer about 2 mi s Truckee (along California Highway 89, at Granite Flat Camground); Granite Flat Camground Comment
  CAS-BOT-BC265154  Eriogonum umbellatum var. nevadense Henry M. Pollard 1936-7-1 s.n. Placer Mt. Lincoln, Donner region Comment
  CAS-BOT-BC265156  Eriogonum umbellatum var. nevadense A. Roberts 1898-8-1 s.n. Placer Summit Soda Springs, Donner Cr. Comment
  CAS-BOT-BC265157  Eriogonum umbellatum var. nevadense Charlotte Pyle 1978-8-9 s.n. Placer Silver Peak about 1.5 miles NW of Squaw Valley 2438 Comment
  CAS-BOT-BC265158  Eriogonum umbellatum var. nevadense John Thomas Howell 1943-7-26 18842 Placer Mt. Lincoln Comment
  CHSC67682  Eriogonum umbellatum var. nevadense James D. Jokerst 1986-7-13 2729 Placer Trail from The Cedars, SW of Donner Lake, just below the summit of Needle Peak, scree on S-facing slope. Comment
  UC1032140  Eriogonum umbellatum var. nevadense R. C. Wilson 1934-9-19 74 Placer Squaw Creek Tahoe National Forest, Truckee Quadrangle, Squaw Creek Comment
  JEPS14350  Eriogonum ursinum Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, D. Zohary, J. Hunziker, H. Stutz, F. Ehrendorfer 1952-7-20 3879 Placer n-facing serpentine slope just s Shirttail Public Camp (6 mi e of Iowa Hill); Tahoe Nat. Forest 1066 Comment
  SD22254  Eriogonum ursinum Marcus E. Jones June 1882 Placer Emigrant Gap Comment
  CAS-BOT-BC262229  Eriogonum ursinum C. F. Sonne 1885-7-12 404 Placer Sierra Nevada Mts. About Coldstream Comment
  SEINET3814379 Image available Eriogonum wrightii subsp. trachygonum Lewis S. Rose 1938-9-14 38260 Placer South Fork of Yuba River. 1615 Comment
  CHSC79198  Eriogonum wrightii var. subscaposum Beecher Crampton 1975-10-14 9329 Placer Emigrant Gap area on Hwy. 80 just east of Vista Point. 1524 Comment
  UCR249590  Eriophyllum lanatum var. achilleoides George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20809 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UCD13357  Eriophyllum lanatum var. croceum Anne Marie Weyandt 1989-5-20 23 Placer near road cut. 914 Comment
  UCD132210  Eriophyllum lanatum var. grandiflorum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10441 Placer Northern Sierra Nevada. Ca. 4 air miles NE of Auburn, along Forest Hill Road, 1.8 miles northeast of its junction with CA Hwy 49 at the middle fork of American River. 370 Comment
  UCD132212  Eriophyllum lanatum var. grandiflorum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10426 Placer Northern Sierra Nevada Foothills. 2.1 miles south of Auburn along CA Hwy 49. 293 Comment
  UCR249592  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20830 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  SEINET8687268 Image available Eriophyllum lanatum var. grandiflorum Beninghoff 3206 Placer Lincoln Comment
  UC148928  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-7-4 8744 Placer Cisco Sierra Nevada Mountains (s of Snowsheds, near type-locality of Bahia cuneata) 1828 Comment
  UCD132224  Eriophyllum lanatum var. integrifolium G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12631 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  CHSC96498  Erodium botrys Lowell Ahart; Brian Williams 2007-4-13 13648 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCD103190  Erodium cicutarium Allan R. Magie 1957-3-24 109 Placer Auburn. Comment
  SEINET5784017 Image available Erysimum capitatum Marcus E. Jones 1882-1 2620 Placer Emigrant Gap 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
  UCD22371  Erysimum capitatum Rex Palmer 1979-7-12 N 603 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD43170  Erysimum capitatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 539 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD83645  Erysimum capitatum Albert Grigarick 2009-9-10 198 Placer Squaw Creek Resort, near base of Cornice II and Headwall lifts. 2286 Comment
  SEINET3245753  Erysimum capitatum var. capitatum G. K. Helmkamp, E. A. Helmkamp 2009-1 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 (Duncan Peak 7.5') 2019 Comment
  SEINET8399963  Erythranthe lewisii Unknown 1968-7-11 2135 Placer Tahoe National Forest, 3.3 miles northwest of Hwy. jct. Calif. 89 and 28 at Tahoe City, on Calif. 89, 3.2 miles west of Calif. Hwy. 89 Alpine Meadow. 2073 Comment
  CDA42831  Erythranthe microphylla G. F. Hrusa, M. Pitcairn 2015-7-16 18654 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 231 Comment
  SEINET14046343 Image available Erythranthe tilingii Johnnie L. Gentry Jr., Earl Jensen, Jr. 1968-1 2134 Placer Tahoe National Forest, 3.3 miles northwest of Hwy. jct. Calif. 89 and 28 at Tahoe City, on Calif. 89, 3.2 miles west of Calif. Hwy. 89. 2073 Comment
  UC3614  Erythronium multiscapideum H. N. Bolander 1865-4-11 4527 Placer shady hillsides Auburn Comment
  CAS-BOT-BC502824  Erythronium multiscapideum Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  UCR172649  Eschscholzia californica George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10198 Placer Northern Sierra Nevada Foothills, Forest Hill Road, 2.5 mi east of its junction with Calif. Hwy 49. North side of the middle fork of the American River, NE of Auburn 274 Comment
  CAS-BOT-BC488340  Eschscholzia lemmonii Beecher Crampton 1985-6-23 9993 a Placer North Shore Lake Tahoe, Stateline Road 1950 Comment
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Jul 13 2018
  CDA24564  Eschscholzia lobbii W. E. Simonds 1960-4-1 Placer Fields north of Folsom. 0 Comment
  POM97349  Eschscholzia lobbii Mary E. P. Ames 1891-04 s.n. Placer Auburn. Comment
  UCD75687  Eucephalus breweri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5136 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
  UCR229556  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2011-7-26 17901 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
  UCR231852  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2010-8-14 16768 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  UCR233384  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2011-8-26 18164 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  UCR241343  Eucephalus breweri George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19826 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.5 mile north of Robinson Flat Campground, c. 26 miles NE of Foresthill, Tahoe National Forest 2043 Comment
  UCD142662  Euphorbia ocellata Gordon H. True 1972-8-23 7409 Placer Northern outskirts of Lincoln. 48 Comment
  UCD166848  Euphorbia ocellata subsp. ocellata Robert E. Preston 2016-9-6 3070 Placer Yankee Slough Wetland Preserve, 2.4 mi SE of Sheridan. 37 Comment
  CAS-BOT-BC312161  Eurybia integrifolia C. F. Sonne 1885-8-19 149 Placer Truckee Comment
  CHSC74196  Eurybia integrifolia Susi Urie 1998-9-4 98 -268 Placer On north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 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
  UCD42899  Eurybia integrifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 267 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET3141531  Eurybia integrifolia L. S. Rose 1938-9-14 38264 Placer S fork of Yuba Rv., 3 mi. E of Cisco 1737 Comment
  UC193318  Eurybia radulina C. F. Sonne 1883-9-16 Placer Woods along Truckee River Truckee River Comment
  SEINET7249049  Fabaceae George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  SEINET3271564 Image available Festuca dertonensis George K. Helmkamp, E. A. Helmkamp 2009-3-11 14387 Placer Sacramento Valley; Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  UCD42914  Festuca idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 282 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SACT001179  Festuca pratensis D. Meyer 1983-7-16 Placer 1624.0 Comment
  SACT001180  Festuca pratensis D. Meyer 1984-6-10 Placer 606.0 Comment
  UCD74212  Festuca trachyphylla Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 225 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Terrain Park' ski run. 2221 Comment
  SACT001212  Festuca viridula Michael Baad 1983-8-27 Placer 2072.64 Comment
  JEPS111210  Fragaria virginiana Steve Matson 2005-7-4 1366 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
  CAS-BOT-BC447510  Fragaria virginiana var. platypetala Lewis S. Rose 1944-7-12 44098 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  SEINET11243895  Frangula californica subsp. tomentella W. D. Billings 1939-3-19 1191 Placer Roadside 2 miles north of Auburn. Comment
  SEINET11249894  Frangula rubra A. A. Heller, P. B. Kennedy 1907-7-15 8837 Placer Near mouth of Little Grizzly Creek below Genessee Comment
  UCD144217  Frangula rubra Frederic Hrusa; L. Serafini 1993-6-29 11261 Placer Duncan Creek approximately 5 meters upstream from Mosquito Ridge Road bridge crossing. 1 mile north of French Meadows Reservoir. 1400 Comment
  CAS-BOT-BC55707  Frangula rubra subsp. obtusissima Carl B. Wolf 1930-10-11 1730 Placer W. slope Sierra Nevada. 4 miles West of Emigrant Gap 1524 Comment
  SD10096  Frangula rubra subsp. obtusissima Brandegee Sept 1888 Placer Blue Canyon Comment
  CDA39644  Frangula rubra subsp. yosemitana D. G. Kelch 2011-10-2 11 .815 Placer Gold Run rest stop. Comment
  CHSC2272  Fritillaria agrestis V. Holt 1937-3-28 Placer Near Lincoln. 51 Comment
  LA93377  Fritillaria agrestis Lynn Gould; 1962-3-31 15 Placer 2 mi. W of Roseville on Central Avenue Comment
  UCD139655  Fritillaria agrestis Lynn Gould 1962-3-31 15 Placer 2 miles west of Roseville on Central Avenue. Comment
  JEPS73035  Fritillaria atropurpurea Gladys L. Smith 1972-6-19 3169 Placer Tahoe City 1901 Comment
  UC843881  Fritillaria atropurpurea Lewis S. Rose 1940-6-2 40455 Placer 10 mi n of Tahoe City (Truckee River); Truckee River 1828 Comment
  UCR235390  Fritillaria atropurpurea George K. Helmkamp, E. A. Helmkamp 2012-5-11 18952 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  UCD58754  Fritillaria micrantha A. M. Shapiro 2007-4-30 s.n. Placer Drum Powerhouse Road (near Alta). 1005 Comment
  UCR250629  Galium aparine George K. Helmkamp, Mary Alice Barnes 2013-5-3 20466 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  SD146164  Galium bifolium G. K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5021 A Placer Northern Sierra Nevada Range: N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  POM67226  Galium californicum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. 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
  CDA36878  Galium murale CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CDA6665  Galium murale T. C. Fuller 1959-5-2 2407 Placer Warren Wilson property, Mt. Pleasant District, 5 miles northeast of Lincoln. 0 Comment
  UCSB45738  Galium tricornutum Reisentz, Paul 1979-5-11 Placer Vernal pools; 1 mile south of Sheridan on Highway 65 Comment
  JEPS127440  Galium trifidum subsp. columbianum Steve Matson 1998-6-27 306 Placer Martins Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, southeast of junction of East Martis Creek and Martis Creek. Comment
  CHSC73993  Galium trifidum var. pacificum Susi Urie 1998-8-25 98 -091 Placer About 0.2 mi north of Lake Tahoe. 1901 Comment
  CHSC74259  Galium trifidum var. pacificum Susi Urie; Eric Schroder 1998-9-10 98 -325 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UC1122697  Garrya fremontii B. Bolt 1934-8-8 167 Placer 0.5 mi s Forks House; Tahoe National Forest, Colfax Quad. 1402 Comment
  CAS-BOT-BC56265  Gaultheria ovatifolia Peter W. Fritsch; Catherine Bush; Boni Cruz 2008-7-1 1839 Placer Big Trees Trail in Placer Big Trees Grove, Foresthill Ranger District, Tahoe National Forest 1604 Comment
  SEINET7269913  Gaultheria ovatifolia P. W. Rundel 1967-9-6 2652 Placer American River Grove of Sierra redwoods, ca. 20 miles NW of Foresthill Comment
  POM294351  Gayophytum Lyman Benson 1947-8-12 12795 Placer Near Emigrant Gap, Sierra Nevada mountain range, American River drainage area 1220 Comment
  UCR241723  Gayophytum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19921 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  CAS-BOT-BC478892  Gayophytum Beecher Crampton 1985-6-23 9993 Placer North Shore Lake Tahoe, Stateline road Comment
  CDA15964  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, J. Glazner 1999-7-17 15125 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD22095  Gayophytum diffusum subsp. parviflorum Rex Palmer 1979-6-19 N 235 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC570311  Gayophytum heterozygum N. French 1934-6-22 454 Placer 1/2 mi w Lake Norden; Truckee Quadrangle 2286 Comment
  CAS-BOT-BC488336  Gayophytum humile James A. Neilson, Jr. 1970-8-28 1865 Placer Tahoe Basin, Paige Meadow 2072 Comment
  POM183572  Gayophytum racemosum P. A. Munz 1928-6-25 11092 Placer Tahoe Camp, Lake Tahoe. 2000 Comment
  RSA639011  Genista monspessulana Michael A. Vincent 1999-6-12 8633 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. Comment
  UCR219495  Genista monspessulana Bill Haley 2009-5-12 s.n. Placer Stevens Trail near Colfax, c. 1.2 mi from trailhaed parking area on North Canyon Way, Southwest corner of trail junction leading to Burnt Flat region. Old homesteads are in the area 598 Comment
  UC22753  Gentiana calycosa State Survey 1863-8-28 2164 Placer near Summit (between Squaw Valley and Forest Hill) Comment
  UC197392  Gentiana newberryi C. F. Sonne Sep 1894 Placer Summit Valley Sierra Nevada Mountains 2133 Comment
  JEPS72495  Gentiana newberryi Gladys L. Smith 1972-8-25 3432 Placer meadow below Granite Chief n cirque; Granite Chief 2575 Comment
  SEINET12282057  Gentiana simplex C. F. Sonne 1885-1 s.n. Placer Meadows Trucker River Comment
  UCD150768  Gentianopsis simplex James A. Neilson Jr.; Dianne Q. McQuaid 1972-8-24 3589 Placer Tahoe Basin, Ward Valley, upper meadow. 2133 Comment
  SEINET8588377  Gentianopsis simplex P. A. Lehenbauer 1929-8-15 2603 Placer Watson Lake, 4 miles N of Tahoe City. Comment
  SEINET3245948  Geranium dissectum G. K. Helmkamp, E. A. Helmkamp 2010-1 15904 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-40 at Pilot Hill (Pilot Hill 7.5') 287 Comment
  JEPS59482  Geranium richardsonii Ezra Brainerd and Viola B. Baird 1915-7-12 228 Placer Donner Lake Sierra Nevada Mountains 1828 Comment
  UCD44475  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1841 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS127439  Geum macrophyllum var. perincisum Steve Matson 1998-8-9 158 Placer Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 1 kilometer SSW from parking area. Comment
  UCD22264  Geum triflorum Rex Palmer 1979-6-20 N 354 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS71884  Geum triflorum Gladys L. Smith 1972-8-25 3411 Placer below Watson Monument (trail to Granite Chief) 2590 Comment
  JEPS103385  Gilia capillaris Lowell Ahart 2002-7-22 9893 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  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
  UCR194932  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2007-5-18 12015 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR207858  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2009-4-22 14563 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
  UCR232649  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2011-9-30 18342 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
  SEINET2441404  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2009-7-16 15224 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
  RSA794814  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2011-8-26 18172 Placer along Forest Hill Road, 0.4 miles west of Robinson Flat. 2041 Comment
  RSA756924  Gilia tricolor subsp. diffusa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14582 Placer Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  CHSC97767  Glinus lotoides Lowell Ahart 2007-11-13 14594 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan. 73 Comment
  UCD66747  Glyceria borealis August L. Hormay 1932-7-8 Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  CDA25012  Glyceria elata J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Moist meadow betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC75334  Glyceria elata Susi Urie; Eric Schroder 1998-9-12 98 -366 Placer Lake Tahoe Basin-National Forest. Meadow complex on the south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  CDA15920  Gnaphalium palustre G. F. Hrusa, J. Glazner 1999-7-17 15184 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS111138  Gnaphalium palustre Steve Matson 2005-6-11 1257 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreatin Area; W of Parking Area; 39.3016 N, 120.1324 W; Elevation 5835 ft. 1778 Comment
  JEPS115004  Gnaphalium palustre Lowell Ahart 2007-11-13 14597 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan 73 Comment
  SD247326  Gnaphalium palustre George K. Helmkamp, E. A. Helmkamp 2012-9-25 19905 Placer Northern Sierra Nevada Mountains: Blue Canyon Road, 1.1 miles south of its intersection with I-80, about 1/2 mile south of Blue Canyon-Nyack Airport. 1473 Comment
  UC581141  Gnaphalium palustre H. L. Mason 1932-9-9 77175 Placer Cisco Comment
  UC427889  Gnaphalium palustre L. S. Smith 1927-8-22 Placer 6-Mile Valley, near Emigrant Gap; Tahoe National Forest, 6-mile Valley 1584 Comment
  UCD150743  Goodyera oblongifolia James A. Neilson Jr. Date Unknown 2081 Placer Tahoe Basin, Timberland. 1901 Comment
  CHSC67756  Gratiola ebracteata James D. Jokerst 1986-4-14 2626 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. Comment
  CHSC68055  Gratiola ebracteata James D. Jokerst; Mary Meyer 1987-4-17 2807 Placer Johnson Ranch N of Douglas Rd. and E of Hwy. 80. Comment
  UC1745633  Gratiola ebracteata Annetta M. Carter 1945-11-4 1736 Placer Ca. 5 mi. NW of Roseville. Sacramento Valley. Comment
  JEPS41921  Grindelia hirsutula L. S. Smith 1926-5-30 1875 Placer w slope Colfax Road; Tahoe National Forest 762 Comment
  UCR233276  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2011-7-9 17686 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 Comment
  UCD159475  Grindelia squarrosa var. serrulata D. S. Park 2010-8-21 229 -1 Placer Corner of Donner Pass Rd. and Hampshire Rocks Rd. All around ramp into highway I-80. Disturbed. Near roadsigns. Abundant. 1788 Comment
  SEINET3826192 Image available Hackelia jessicae Sally Walker 1982-8-5 s.n. Placer Ski area on Jahre-Truckee Road Comment
  UCD42871  Hackelia micrantha C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 238 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC112818  Hackelia micrantha Katharine Brandegee July 1908 Placer Lake Van Orden Comment
  POM181063  Hackelia nervosa A. A. Heller 1912-7-20 10591 Placer Summit. 2073 Comment
  UC2042515  Hackelia nervosa Holly Forbes and Barbara Keller 2010-7-13 Placer Tahoe National Forest, at Chalet Road near the intersection of road to parking area and Subway Lift at Alpine Meadows Ski Resort Comment
  UC24778  Hackelia velutina Mrs. M. M. Hardy 1893-1 Placer Comment
  UC480844  Helenium bigelovii Katharine Brandegee 1883-8-1 Placer Cisco Comment
  SD112703  Helianthella californica var. nevadensis Darley F. Howe 1948-5-23 1852 Placer American River 305 Comment
  SEINET3147513  Hemizonella minima L. S. Rose 1940-5-29 40411 Placer 3 mi NE of Emigrant Gap 1676 Comment
  UC88279  Hesperevax acaulis var. robustior B. 1884-4-1 Placer Roseville Comment
  SEINET4691682  Hesperolinon micranthum George K. Helmkamp, E. A. Helmkamp 2010-1 16760 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek. 1082 Comment
  JEPS126376  Heterocodon rariflorum Steve Matson 2003-7-6 834 Placer nSNH: Truckee River watershed SW of Truckee; Squaw Valley; Shirley Canyon; along Granite Chief trail to PCT. Comment
  UCD149726  Heterocodon rariflorum G. Ledyard Stebbins 1977-7-9 7765 Placer Along trail from McKinistry Lake to Rubicon River. (Exact location unknown. Coordinates estimated by label maker.) 1706 Comment
  SEINET10972522  Heterocodon rariflorum Raven Raven 9997 Placer 1 MI FROM BLUE CANYON ON RD TO EMIGRANT GAP Comment
  CHSC107390  Heteromeles arbutifolia Blake McSorley 2010-3-19 Placer Hidden Falls near Auburn. 259 Comment
  UC380603  Heteromeles arbutifolia Marcus E. Jones, A. M. 1882-7-3 Placer Colfax Comment
  SBBG70485  Heuchera micrantha M. N. Ackley -Jun-1925 1000 Placer Shirttail Cyn, American River 762 Comment
  SEINET215105  Heuchera micrantha var. erubescens R. W. Cooper 1968-5-18 29 Placer American River Cyn 5 mi W of Foresthill Comment
  SEINET6032034  Heuchera rubescens P. B. Kennedy 1901-8-10 s.n. Placer Devils Cliff, Soda Springs. Comment
  UC66411  Heuchera rubescens var. glandulosa P. B. Kennedy and S. B. Doten 1901-8-10 270 Placer Devil's Cliff Soda Springs Comment
  CAS-BOT-BC319603  Hieracium albiflorum Alice Eastwood 1909-1-1 193 Placer Sunnyside Comment
  SBBG66312  Hieracium albiflorum M. N. Ackley -Jun-1925 153 Placer Gold Run 983 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
  SEINET4691668  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2010-1 16784 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
  UCD132315  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC319596  Hieracium albiflorum L. S. Smith 1926-5-23 1827 A Placer Forest Hill Road south of American River, Tahoe Forest 548 Comment
  CAS-BOT-BC319598  Hieracium albiflorum E. A. McGregor 1909-8-13 122 Placer Susie Lake Trail near Alta 2316 Comment
  RSA483124  Hirschfeldia incana Wm. Martin 1971-9-11 20287 Placer 1 mile south of Auburn on Hwy. 49, North Fork of American River. Comment
  CAS-BOT-BC280703  Holcus lanatus John Thomas Howell; Gordon H. True 1968-6-9 44509 Placer Alta 1066 Comment
  SACT001299  Hordeum brachyantherum D. Meyer 1983-7-30 Placer Both sides of road in moist soil. 2072.64 Comment
  SACT001302  Hordeum brachyantherum D. Meyer 1983-8-7 Placer 2000.0 Comment
  SACT001315  Hordeum brachyantherum Michael Baad 1976-7-21 Placer lower southwest-facing slope. 10 miles southeast of Soda Springs. 2377.0 Comment
  UCD43005  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 374 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43051  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 420 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SACT001322  Hordeum californicum Josephine Van Ess 1980-6-20 Placer Collected on south side of road east of parkingarea about 1.25 mile east of highway. 4146.0 Comment
  OBI83581  Hordeum depressum George K. Helmkamp, Amy Bares 2013-3-28 20284 Placer Eastern Sacramento Valley: along 10th Street/ Ranch House Rd. 0.6 mile south of its junction with Riosa Road in Sheridan (Lincoln 7.5' Q,: 38 deg. 58' 41" N 121 deg. 22' 06" W +- 100m) 43 Comment
  SACT001334  Hordeum geniculatum D. Meyer 1984-4-15 Placer Collected on roadside in possible vernal pool 122.0 Comment
  SACT001336  Hordeum geniculatum D. Meyer 1983-5-7 Placer Along road. 161.0 Comment
  SACT001366  Hordeum leporinum Josephine Van Ess 1975-5-9 Placer Collected uphill from Linda Creek toward old homestead area. Rather flat and lightly shaded area. 91.5 Comment
  SACT001371  Hordeum leporinum D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  SACT001378  Hordeum leporinum D. Meyer 1983-7-3 Placer 1152.0 Comment
  SACT001383  Hordeum leporinum D. Meyer 1984-5-28 Placer Next to orchard. 206.0 Comment
  SACT001364  Hordeum leporinum 1977-4-13 Placer Moist riverside. 67.1 Comment
  UCD86534  Hordeum vulgare Beecher Crampton 1957-5-7 3982 Placer Along US Hwy. 99E, 3.2 miles N of Roseville. Comment
  UC860225  Horkelia fusca subsp. parviflora Alice Eastwood Jun 15 1912-Jun 19 1912 454 Placer Deer Park Lake Tahoe Region Comment
  SEINET6758962  Horkelia fusca subsp. parviflora L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  CAS-BOT-BC514266  Horkelia fusca var. pseudocapitata Margaret J. Williams 1985-7-6 85- 61 -8 Placer Sierra Nevada: near old Donner Summit, S of Lake Mary 2286 Comment
  SD81224  Horkelia tridentata Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  SEINET6767889  Horkelia tridentata M. J. Williams 1986-6-19 86- 64 -3 Placer Sierra Nevada; S of I-80, near Cisco Grove. 1743 Comment
  UC1283728  Horkelia tridentata subsp. tridentata Beecher Crampton 1964-7-21 7114 Placer below Blue Canyon weather station (along US Hwy 40) 1524 Comment
  CAS-BOT-BC537981  Horkelia tridentata var. tridentata James L. Walters 1940-5-11 s. n. Placer Near Yuba Pass overhead; east of Emigrant Gap. Comment
  CAS-BOT-BC537983  Horkelia tridentata var. tridentata Belle R. Jackson 1932-6-1 s. n. Placer Gold Run, above Colfax Comment
  CAS-BOT-BC537984  Horkelia tridentata var. tridentata G. T. Nordstrom 1934-6-21 149 Placer CA. Forest & Range Experiment Station: 3 mi. W by NW of Mammoth Springs 1584 Comment
  CAS-BOT-BC537986  Horkelia tridentata var. tridentata Roxana S. Ferris 1957-8-9 13099 Placer Cleared area in pines around aeroplane becon, along U.S. Highway 40 just west of Emigrant Gap Comment
  UCD22017  Hosackia crassifolia Beth Lowe Corbin 1982-8-6 266 Placer On road 3/5 mile SW of Onion Creek campground. In rocky, fine, sandy soil along roadside. Herb 2 1/2' high. Flowers dark reddish purple with whitish edges. Mostly sun. SE facing slope, 20% incline. Common. 1920 Comment
  UCD22014  Hosackia oblongifolia Beth Lowe Corbin 1982-8-11 315 Placer 1 2/3 mile SW of Onion Creek campground. Along moist bank of drainageway, in montane chaparral. Herb about 18' high. Flowers yellow with red lines, wings white. Mostly shade. South facing slope, 20% incline. Common. 1889 Comment
  UCD36711  Hosackia oblongifolia Beecher Crampton 1955-7-13 2996 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  SD6063  Hosackia oblongifolia var. oblongifolia Unknown Jul 1914 Placer Cisco Comment
  JEPS71481  Hydrophyllum capitatum var. alpinum Gladys L. Smith and Betsy Wilson 1972-4 3621 Placer lower slopes Ward Peak (Sherwood Forest); Sherwood Forest 2133 Comment
  JEPS71650  Hydrophyllum capitatum var. alpinum Gladys L. Smith and Betsy Wilson Jun 1971 3035 Placer 5 mi w Lake Tahoe (Alpien Meadows at foot of Ward Peak); Alpine Meadows, Ward Peak 2438 Comment
  UC880766  Hydrophyllum capitatum var. alpinum Lewis S. Rose 1940-6-2 40457 Placer 10 mi n Tahoe City; Truckee River 1828 Comment
  JEPS1655  Hydrophyllum occidentale Lloyd Austin 1924-1 Placer Alta Comment
  UC880777  Hydrophyllum occidentale C. L. Hitchcock 1940-5-7 6317 Placer ca 1 mi w Baxter Comment
  UCD40288  Hypericum concinnum Rodney Gale Myatt 1972-6-1 1688 Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  UCR173740  Hypericum concinnum George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10709 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  JEPS126285  Hypericum scouleri Steve Matson 1998-5-27 154 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267 on Lookout Mountain Creek. Comment
  CDA36917  Hypochaeris glabra CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  HSC26660  Hypochaeris glabra Thomas W. Nelson 1972-11-25 705 Placer Del Oro Rd. near Roseville Comment
  UCR257567  Hypochaeris glabra George K. Helmkamp, Amy Barnes 2014-4-23 22772 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
  UC52527  Ipomopsis aggregata J. A. De Cou Aug 1900 426 Placer McKinneys Tahoe Comment
  JEPS26024  Ipomopsis aggregata G. Thomas Robbins 1951-6-17 3388 Placer 1.5 mi s Homewood (along state hwy 89) 1889 Comment
  UC1249640  Ipomopsis aggregata G. Thomas Robbins 1951-6-17 3388 Placer ca 1.5 mi s Homewood (along state hwy 89) Comment
  JEPS59447  Ipomopsis congesta Ezra Brainerd and Viola B. Baird 1915-7-19 174 Placer above Deer Park (summit of the Craggs); Sierra Nevada 2514 Comment
  CHSC67679  Ipomopsis congesta subsp. montana James D. Jokerst 1986-7-13 2737 A Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  UC1134710  Iris hartwegii B. Bolt 1934-7-23 164 Placer end of traveled from Westville; Tahoe National Forest, Colfax Quad. 1463 Comment
  UC186610  Iris hartwegii C. F. Sonne 1891-4-5 Placer Auburn Comment
  SEINET8529757 Image available Iris hartwegii Gerald Pullman 1974-5-25 40 Placer Mosquito Ridge Road, 1/4 mi. west of Mosquito Narrows Airstrip, 19.2 mi. east of Foresthill. Comment
  RSA136471  Iris macrosiphon Lee W. Lenz, E. K. Balls 1955-5-12 20473 Placer U.S. Highway 40, at Colfax 762 Comment
  SEINET4170760  Iris tenuissima L. Constance, J. L. Morrison 1938-4-30 Placer At the edge of Applegate, Sierra Nevada foothills. 610 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
  POM34325  Ivesia gordonii var. alpicola Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak 2744 Comment
  RSA25338  Jensia rammii C. L. Hitchcock 1940-5-14 6394 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
Read comments
Dec 16 2012
  UCD42973  Juncus acuminatus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 342 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD33744  Juncus articulatus subsp. articulatus Beecher Crampton 1972-7-26 8856 Placer ca. 1 mile west of Cisco Grove on Interstate 80. 1676 Comment
  UCD34024  Juncus bufonius Beecher Crampton 1975-9-9 9275 Placer Gold Run rest area on Hwy. 80. 914 Comment
  UCD75684  Juncus chlorocephalus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5133 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  CHSC74141  Juncus confusus Susi Urie 1998-8-11 98 -014 Placer Lake Tahoe Basin Management Unit -- National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UC1133650  Juncus effusus subsp. pacificus B. Bolt 1934-7-6 89 Placer Mammoth Spring Tahoe National Forest, Colfax Quad. 1615 Comment
  UCR233662  Juncus effusus var. exiguus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17674 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  JEPS49041  Juncus ensifolius Leland S. Smith 1927-8-22 2464 Placer along valley near Emigrant Gap; Tahoe forest, 6-Mile Valley 1584 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
  UCD43985  Juncus nevadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1351 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC1021594  Juncus oxymeris W. A. Weber and Lewis S. Rose 1953-5-19 8385 Placer 5 mi n Roseville (on road to Lincoln) 45 Comment
  UCD141873  Juncus phaeocephalus var. paniculatus John Thomas Howell; Gordon H. True 1971-7-1 48323 Placer Northern outskirts of Lincoln. 48 Comment
  UCR206717  Juncus saximontanus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15204 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  NY21827  Juniperus californica M. E. Jones 1882-1 5623 Placer Soda Springs Comment
  CAS-BOT-BC58896  Kalmia microphylla subsp. microphylla Elizabeth Parsons Hawver 1910-7-7 s.n. Placer Lake Tahoe Regioin - Upper meadows fo Madden Creek Comment
  UCD21479  Kalmia polifolia Rex Palmer 1979-7-11 N 550 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC1012169  Keckiella breviflora Francis W. Pennell 1940-6-2 25659 Placer e of Auburn (Route 49, n of American River) 274 Comment
  UC565579  Keckiella breviflora Herbert L. Mason 1926-5-26 3272 Placer 5 mi above Auburn Comment
  UCR173789  Keckiella breviflora subsp. breviflora George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10711 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  SEINET13768139  Keckiella breviflora var. breviflora M. J. Williams 1984-6-24 84- 65 -1 Placer [Sierra Nevada] 0.3 mi from Hwy 20, on Bowman Lake Rd 1524 Comment
  UC144125  Keckiella lemmonii Miss Helen D. Geis Aug 1909 Placer near Deer Park (Five Lakes Trail) Comment
  CAS-BOT-BC334217  Kelloggia galioides George K. Helmkamp; E. A. Helmkamp 2012-6-19 19223 Placer Northern Sierra Nevada Mountains: Devil's Thumb Road (Deadwood Rd.), 1.2 miles S of its junction with Foresthill Road 1648 Comment
  RSA0053705  Kelloggia galioides G. K. Helmkamp, E. A. Helmkamp 2012-6-19 19223 Placer Northern Sierra Nevada Mountains: Devil's Thumb Road (Deadwood Rd.), 1.2 miles S of its junction with Foresthill Road 1648 Comment
  RSA447635  Kelloggia galioides Fay A. MacFadden 1934-7-9 12732 Placer Emigrant Gap. Comment
  UC662634  Kelloggia galioides L. S. Rose 1941-7-21 41338 Placer Chambers Lodge (McKinney); Lake Tahoe 1900 Comment
  UCD22299  Kelloggia galioides Beth Lowe Corbin 1982-8-2 153 Placer Onion Creek campground. In fine, sandy, granitic soil. Perennial herb with slender rhizomes; flowers white. Mostly shade. South facing slope. Locally clumped, but uncommon. 1841 Comment
  SACT001427  Koeleria phleoides Josephine Van Ess 1980-4-23 Placer Collected at intersection with Taylor Road. Weedy area, near building. 121.9 Comment
  RSA0087952  Kopsiopsis strobilacea William Overton 1977-6-4 s.n. Placer Across tracks ca. 100 yards, on Secret Town Road, 0.9 mile from junction with Magra Road (which is northwest of the Magra Road-Secret Town offramp of Interstate 80), between Colfax and Gold Run. Comment
  CHSC45404  Kumlienia hystricula Lowell Ahart 1973-3-28 188 Placer Along a small stream, along Mosquito Ridge Road, about 10 miles east of Foresthill. 1371 Comment
  POM99238  Kumlienia hystricula Katherine Brandegee 1909-4-28 s.n. Placer In the Sierra Nevada foothills. Comment
  UC9456  Kumlienia hystricula H. N. Bolander 1865-4-15 4630 Placer near Butcher Ranch (Dardanelles Canyon); Dardanelles Canyon Comment
  CAS-BOT-BC340398  Lactuca G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  CAS-BOT-BC341359  Lagophylla glandulosa David D. Keck 1932-7-1 1589 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  POM186841  Lagophylla glandulosa D. D. Keck 1932-6-30 1587 Placer 0.3 miles north of Weimar P. O.; Sierra Nevada. 686 Comment
  UC1124452  Lamium amplexicaule C. R. Clar 1933-3-25 110 Placer Bear River; Colfax Quad. 640 Comment
  POM361518  Lasthenia californica Ames s.n. Placer Auburn. Comment
Read comments
Mar 15 2014
  UC30449  Lasthenia californica H. N. Bolander 1865-4-11 4545 Placer Auburn 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
  RSA739655  Lasthenia glaberrima John Dittes 2003-5-25 2003 -25 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 40 Comment
  UC864420  Lathyrus jepsonii var. californicus Marcus E. Jones, A. M. 1882-7-1 3573 Placer Emigrant Gap Comment
  UCR190147  Lathyrus latifolius George K. Helmkamp, E. A. Helmkamp 2007-9-14 12951 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR235392  Lathyrus nevadensis subsp. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18954 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  SD241007  Lathyrus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18954 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road. 1041 Comment
  UC15345  Lathyrus nevadensis var. nevadensis State Survey 1865-4-13 4629 Placer Forest Hill Comment
  CHSC89283  Lathyrus sulphureus G. F. Hrusa; M. I. Wibawa, J. Glazner 2002-5-22 16053 Placer Sierra Nevada. Hughes Mill (site) above Foresthill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  SDSU2800  Layia fremontii D. F. Howe 1948-5-20 1838 Placer 457 Comment
  RSA0035477  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Mary Alice Barnes 2013-4-18 20355 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  RSA0115333  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Alice Barnes 2013-4-18 20337 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg ) of Colfax. 561 Comment
  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
  SD6093  Ledum glandulosum unknown Aug 1914 Placer Summit Comment
  JEPS71354  Lemna turionifera L. R. Heckard with R. Bacigalupi, T. I. Chuang 1973-7-28 3456 Placer 7 mi s of Sierra County line (w of highway 89, on n side of Sage Hen Creek); Sage Hen Creek 1889 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
  CAS-BOT-BC89732  Lepidium latifolium J. H. Wilson 1968-8-5 s.n. Placer C. Sepponen property, Lincoln. Comment
  CAS-BOT-BC89733  Lepidium latifolium J. H. Wilson 1969-6-4 s.n. Placer Lozanos Road, Ophir, Newcastle. 304 Comment
  UCR229544  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17864 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
  POM361835  Lessingia leptoclada Fay A. MacFadden 1934-8-26 12935 Placer Forest Hill Comment
  CAS-BOT-BC341750  Lessingia nana John Thomas Howell; Gordon H. True 1971-5-26 47631 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC341770  Lessingia nemaclada B. C. Cain 1925-8-15 14 Placer 2 mi. south of Auburn at Wise Power House Comment
  POM126727  Leucophysalis nana Helen D. Geis 1912-06 63 Placer Deer Park. Comment
  UCR247347  Leucothoe davisiae T. C. Fuller 1973-8-23 19982 Placer Sierra Nevada Mtns., just SE of Robinson Flat Guard Station 2165 Comment
  SEINET5336469  Lewisia kelloggii M. J. Williams 1970-6-7 s.n. Placer S of Emigrant Gap, overlooking N fork American River. 1615 Comment
  UC852036  Lewisia nevadensis A. A. Heller 1917-6-17 12714 Placer Yuba River below Cisco; Yuba River 1676 Comment
  UCD43253  Ligusticum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 622 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC74760  Ligusticum grayi Susi Urie; Eric Schroder 1998-9-8 98 -286 Placer Meadow complex on north sode of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  SEINET8465195 Image available Ligusticum grayi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15232 Placer Sierra Nevada Mountains; Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UC875078  Ligusticum grayi A. A. Heller 1917-8-14 12933 Placer s. of Summit valley Mt. Lincoln 2499 Comment
  UCD126871  Ligusticum grayi E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1255 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, descending ridge. 2200 Comment
  UC21115  Ligusticum grayi A. M. Carpenter 1893-8 Placer Comment
  UC1134617  Lilium humboldtii C. R. Clar 1933-6-21 134 Placer near P.G.& E. Reservoir; Sacramento Quad. 426 Comment
  UC3704  Lilium kelleyanum Mrs. M. M. Hardy 1893-1 Placer Comment
Read comments
Dec 13 2006
  CAS-BOT-BC130779  Lilium pardalinum A. M. Vollmer; L. Beane 1951-7-1 188 Placer Bear Valley, east of Nevada City Comment
  CAS-BOT-BC508480  Lilium parvum F. Almeda 1993-7-24 7282 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2133 Comment
  CAS-BOT-BC508489  Lilium parvum A. M. Vollmer; L. Beane 1951-7-1 190 Placer Bear Valley, east of Nevada City Comment
  SEINET6669335  Limnanthes alba A. Beninghoff 1930-4-20 1508 Placer Lincoln Comment
  UC907584  Limnanthes alba Alice Williams 1946-5-15 5 Placer meadow across road from Harold's Rock Station (0.5 mi e of Weimar Post Office on US 40) 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
  SEINET3154763  Limnanthes douglasii M. E. Jones 1882-6-28 3285 Placer Emigrant Gap Comment
  CHSC3882  Limnanthes douglasii subsp. rosea Gary Dutton 1966-3-21 139 Placer Found on Lincoln cut-off to Newcastle. Two miles from Lincoln. Field. Comment
  UC880322  Linanthus bolanderi C. L. Hitchcock 1940-5-15 6407 Placer 6 mi n Colfax Comment
  UC880328  Linanthus ciliatus P. A. Lebenbauer 1923-6-10 Placer near Homewood; Lake Tahoe Comment
  UCR120249  Linanthus ciliatus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5038 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UC30153  Linanthus dichotomus H. N. Bolander 1865-4-10 4519 Placer Auburn Comment
  JEPS59484  Linanthus filipes Ezra Brainerd and Viola B. Baird 1915-7-23 231 Placer Tahoe City Sierra Nevada Mts. 1905 Comment
  SCFS996  Linanthus pungens E. Krimmel 2013-6-2 Placer North Fork American River. Foresthill Rd - Am. River overlook. Comment
  POM74920  Linanthus pungens subsp. pulchriflorus Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC240379  Linnaea borealis subsp. longiflora Margaret J. Williams 1984-6-24 84- 62 -1 Placer Near Hwy 20, Skillman Flat Campground 1341 Comment
  UCR173268  Linum bienne George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10431 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  SACT002874  Lithocarpus densiflorus var. echinoides Josephine Van Ess 1980-7-23 Placer Collected in grove of Sierra Redwoods along nature trail in park. Shrub in open forest. Comment
  UC1135290  Lithocarpus densiflorus var. echinoides G. T. Nordstrom 1934-6-19 116 Placer 0.5 mi ne Texas Hill; Tahoe National Forest, Colfax Quad. 1554 Comment
  UCD102713  Lithophragma bolanderi M. H. Mills 1996-4-12 154 Placer on edge of ephemeral pond at 5830 Walden Lane, Loomis. 180 Comment
  UC11869  Lithophragma parviflorum var. trifoliatum H. N. Bolander 1865-4-11 4525 Placer Auburn Comment
  CDA37060  Lolium multiflorum CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  SACT001449  Lolium perenne D. Meyer 1984-7-29 Placer Road south of reservoir, moist shady north-facing slope. 1612.0 Comment
  UCD34030  Lolium perenne Beecher Crampton 1975-9-9 9283 Placer Placer County, Alta, Hwy. 80. 1188 Comment
  SEINET3282812 Image available Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14567 Placer Sierra Nevada Mountains Foothills; Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River. 399 Comment
  JEPS72676  Lomatium nevadense var. nevadense Gladys L. Smith 1972-6-20 3249 Placer just below Ward Peak Summit 2628 Comment
  UCR207882  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14574 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  CHSC91783  Lonicera conjugialis G. F. Hrusa; J. Glazner 2000-7-1 15623 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. [Lat./long. on label is '39 22 N; 120 15 W']. 1844 Comment
  RSA0037369  Lotus argophyllus var. fremontii George K. Helmkamp, Mary Alice Barnes 2013-5-3 20502 Placer Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 ) of Forest Hill 422 Comment
  RSA293386  Lotus argophyllus var. fremontii Reino Alava 1958-5-3 1999 Placer About three miles southeast of Auburn, on the road from Auburn to Forest Hill. Comment
  SEINET5453657 Image available Lotus corniculatus E. Neese 1980-10-15 9985 Placer Gravel banks- roadside- in scrub oak community. Comment
  SEINET3694585 Image available Lotus humistratus C. L. Hitchcock 1940-5-14 6382 Placer Meier Ranch, ca 6 miles N of Colfax 762 Comment
  UCR218230  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16407 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  UC864903  Lotus incanus C. L. Hitchcock 1940-5-7 6326 Placer ca 1 mi w Baxter Comment
  RSA406188  Lotus micranthus Fay A. MacFadden 1934-3-31 12423 Placer Near Monte Vista Inn. Comment
  JEPS102602  Lotus nevadensis var. nevadensis Lowell Ahart 2001-10-10 9345 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  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
  UC1129108  Lotus oblongifolius var. oblongifolius N. French 1934-5-31 392 Placer Mammoth Springs Tahoe National Forest, Colfax Quad. 1645 Comment
  UC864282  Lotus oblongifolius var. oblongifolius Marcus E. Jones, A. M. 1882-6-28 2628 Placer Emigrant Gap Comment
  UCR146866  Lotus oblongifolius var. oblongifolius Beecher Crampton 1972-7-26 8855 Placer Sierra Nevada Mountains, about 1 mile west of Cisco Grove on Interstate 80, [near county line] Yuba River 1677 Comment
  CDA37244  Lotus purshianus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  JEPS102594  Lotus purshianus var. purshianus Lowell Ahart 2001-10-10 9346 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  JEPS55783  Lotus purshianus var. purshianus W. H. Shockley Jun 1886 Placer Auburn Comment
  POM27033  Lotus unifoliolatus Marcus E. Jones 1882-7-3 s.n. Placer Alta. Comment
  RSA122898  Lotus unifoliolatus B. Bolt 1934-7-20 154 Placer Whiskey Hill. 1646 Comment
  OBI60158  Ludwigia palustris David J. Keil, with Kathleen A. Keil 1999-7-17 28377 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  UC1191764  Ludwigia peploides subsp. montevidensis Malcolm A. Nobs and S. Galen Smith 1949-8-22 1535 Placer pool 6 mi. n.w. on Dunn's Dam Rd. Auburn Comment
  UC2042525  Lupinus Sue Bainbridge, K. DeLong, Holly Forbes, Barbara Keller 2010-7-27 Placer Tahoe National Forest, Alpine Meadows on the dirt road adjacent to the base level building about 1.3 mile from the parking lot pavement Comment
  SEINET5327616  Lupinus albifrons C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junct. W/No. fork of middle fork of American River, Mosquito Ridge road to French Meadowns. 518 Comment
  CAS-BOT-BC201562  Lupinus albifrons var. albifrons Ames 1884-5-1 s.n. Placer Auburn Comment
  UCR250071  Lupinus albifrons var. collinus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20486 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UCR242373  Lupinus arbustus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16673 Placer Northern Sierra Nevada Mountains, Soda Springs Road, 0.3 mile north of its junction with Forest Hill Road at Robinson Flat 2024 Comment
  UCR270697  Lupinus arbustus John F. Emmel 1998-7-9 1576 Placer Sierra Nevada Mountains, Donner Pass area, north peak of Mt. Judah 2500 Comment
  SEINET4560789  Lupinus argenteus var. argenteus George K. Helmkamp, E. A. Helmkamp 2011-1 18162 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
  RSA794937  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2011-4-1 17115 Placer along CA-193 (Lincoln-New Castle Hwy), 0.4 mile west of Gold Hill Road, 5.4 miles (air) east of Lincoln 108 Comment
  JEPS65024  Lupinus benthamii R. E. Arp 1932-4-18 4 Placer Coloma Comment
  CDA27414  Lupinus bicolor T. C. Fuller 1958-4-15 Placer Highway 99E, 0.5 mile north of Roseville. 0 Comment
  UCD107243  Lupinus bicolor G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11705 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
  UCR258240  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20239 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  RSA43817  Lupinus bicolor subsp. microphyllus D. F. Howe 1948-5-22 s.n. Placer [Unspecified] 610 Comment
  CAS-BOT-BC208860  Lupinus breweri var. breweri John Thomas Howell 1938-8-2 14011 Placer Sand dunes on Lake Tahoe at Brockway. Comment
  SD6066  Lupinus laxiflorus unknown Jun/Jul 1914 Placer Cisco Comment
  SEINET3151067  Lupinus laxiflorus var. silvicola A. A. Heller 1909-7-16 9857 Placer Summit 2134 Comment
  UCD108251  Lupinus lepidus var. confertus G. K. Helmkamp; E. A. Helmkamp 2005-9-30 9964 Placer Northern High Sierra Mountains: ca. 3.5 mi NW of Lake Tahoe; Along the Truckee River and CA Highway 89, 0.1 mi N of Alpine Meadows Road. 1902 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
  UCD108446  Lupinus lepidus var. lobbii S. L. Smith 1916-6-16 510 Placer Squaw Valley. Comment
  UCR173276  Lupinus microcarpus var. densiflorus George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10440 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
  SD43642  Lupinus microcarpus var. densiflorus Darley F. Howe 1948-5-21 1860 Placer Placer County 456 Comment
  UCR173787  Lupinus microcarpus var. microcarpus George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10715 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  SD237439  Lupinus nanus G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15914 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, 5.6 miles south of junction with CA-49 at Pilot Hill, 0.65 mil north of the American River crossing (Pilot Hill 7.5'Q) 199 Comment
  SD237441  Lupinus nanus G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15932 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  SEINET7249048  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  JEPS113167  Lupinus pachylobus Lowell Ahart, Brian Williams 2007-4-13 13643 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UCR188841  Lupinus polyphyllus subsp. polyphyllus George K. Helmkamp, E. A. Helmkamp 2007-3-25 11708 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
  UCD42880  Lupinus polyphyllus var. burkei C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 247 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43806  Lupinus polyphyllus var. burkei C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1172 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD109382  Lupinus polyphyllus var. polyphyllus G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11708 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  NY16017  Lupinus silvicola A. A. Heller 1909-7-16 9857 Placer Summit 2133.6 Comment
  SD113429  Lupinus vallicola Darley F. Howe 1948-5-20 1861 Placer 4 miles north of Auburn 456 Comment
  POM215767  Lupinus vallicola subsp. vallicola D. D. Keck 1933-6-1 2434 Placer Loomis, city limits on road to Folsom. Comment
  CHSC74327  Luzula cascadensis Susi Urie; Eric Schroder 1998-9-11 98 -342 Placer Lake Tahoe Basin--National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CDA12403  Luzula comosa G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8531 ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCR235482  Luzula comosa George K. Helmkamp, E. A. Helmkamp 2012-5-5 18937 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  SEINET6331925  Luzula comosa J. J. Murray 1965-3-13 s.n. Placer Auburn 549 Comment
  CAS-BOT-BC436669  Luzula comosa var. laxa Dr. Kellogg 1870-6-16 s.n. Placer Cisco Comment
  CHSC67717  Luzula divaricata James D. Jokerst 1986-7-13 2724 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, in Sheet Valley. 2133 Comment
  SD239494  Luzula macrantha George K Helmkamp, E. A. Helmkamp 2012-5-5 18937 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road (Georgetown 7.5'Q) 779 Comment
  UC473449  Luzula macrantha A. Kellogg 1870-6-16 Placer Cisco Comment
  JEPS103591  Lycopus uniflorus Lowell Ahart 2002-7-22 9888 Placer On a floating log in the lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  UCR218232  Madia citriodora George K. Helmkamp, E. A. Helmkamp 2010-6-26 16405 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UC112863  Madia elegans Katharine Brandegee 1908-5-6 Placer near Auburn Comment
  UCR250353  Madia elegans George K. Helmkamp, Mary Alice Barnes 2013-5-3 20489 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  SDSU4733  Madia elegans subsp. densifolia D. F. Howe 1962-8-10 3418 Placer 1.2 miles north of Auburn. 457 Comment
  SD237340  Madia elegans subsp. vernalis G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15935 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 156 Comment
  JEPS30105  Madia exigua W. H. Shockley June 1886 Placer Auburn Comment
  UCR194961  Madia exigua George K. Helmkamp, E. A. Helmkamp 2007-5-18 12007 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  CDA13697  Madia glomerata G. F. Hrusa, J. Glazner 1997-8-3 14057 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC74071  Madia glomerata Susi Urie 1998-8-11 98 -003 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. Narrow meadow stringer. 2097 Comment
  JEPS126382  Madia glomerata Steve Matson 2002-7-14 568 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards south of Highway 267 and 200 yards west of junction of Creek and 267. Comment
  POM284947  Madia glomerata Lyman Benson 1932-7-31 4022 Placer Tahoe Tavern, Sierra Nevada mtn range, Lake Tahoe watershed. 1890 Comment
  UC170026  Madia glomerata Miss Helen D. Geis 1912-6 169 Placer Deer Park Comment
  UCD75734  Madia glomerata Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5196 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, side of undeveloped road near hairpin turn. 2160 Comment
  UCR170793  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2005-9-30 9956 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR240967  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19919 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  CAS-BOT-BC343241  Madia gracilis David D. Keck 1933-5-31 2428 Placer Just south of Auburn, on road to Roseville 305 Comment
  CAS-BOT-BC343243  Madia gracilis H. M. Hall 1910-6-26 8719 Placer Cisco, west slope Sierra Nevada 1804 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
  UCR190160  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2007-8-1 12651 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  CAS-BOT-BC343239  Madia gracilis David D. Keck 1932-6-30 1583 a Placer Ca. 4 miles S. of Colfax 640 Comment
  POM29897  Madia minima Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCR120498  Madia minima George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5027 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR218128  Madia minima George K. Helmkamp, E. A. Helmkamp 2010-6-26 16377 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CAS-BOT-BC343565  Madia sativa David D. Keck 1932-6-30 1583 a Placer Ca. 4 miles S. of Colfax 640 Comment
  UCD139061  Maianthemum racemosum Rolf Y. Berg 1963-7-9 s.n. Placer State Highway 20, ca. 2 miles west of junction with U.S. Highway 40 at Emigrant Gap. Comment
  SEINET12049608  Maianthemum stellatum J. H. Nishida 1985-1 780 Placer Homewood 1829 Comment
  UCR171021  Malus sylvestris George K. Helmkamp, E. A. Helmkamp 2006-2-9 10056 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  SEINET8551407  Marah watsonii W. D. Billings 1939-3-19 1193 Placer 2 miles N of Auburn. Comment
  UCR238582  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2012-3-31 18652 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UC50154  Meconella californica H. N. Bolander 1865-4-10 4524 Placer Auburn Comment
  UCR241260  Medicago lupulina George K. Helmkamp, E. A. Helmkamp 2012-6-19 19217 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  SEINET2441672  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2009-4-22 14558 Placer Sierra Nevada Mountains Foothills: Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River (Auburn 7.5' Q.). 277 Comment
  CDA15684  Melica aristata G. F. Hrusa, J. Glazner 1999-7-18 15234 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  SEINET245350 Image available Melica aristata Beecher Crampton 1955-7-13 2983 Placer 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UC333419  Melica aristata unknown Placer Shady Run Summit (Summit) 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
  UCR209745  Melica aristata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15423 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  CHSC67742  Melica bulbosa James D. Jokerst 1986-7-13 2734 Placer Trail from The Cedars, high Sierra Nevada NW of Donner Lake, just below the summit of Needle Peak. Comment
  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
  UCD87247  Melica californica M. J. Wright 1948-5-15 s.n. Placer American River. Comment
  SACT001495  Melica californica var. nevadensis Michael Baad 1977-6-8 Placer On Ralston Ridge Road. 487.68 Comment
  CAS-BOT-BC282115  Melica geyeri Marcus E. Jones 1982-6-30 3553 Placer Emigrant Gap Comment
  SACT001513  Melica harfordii Michael Baad 1977-6-2 Placer 0.8 mile south of Wiemar, east-facing cliff streamside habitat. 606.0 Comment
  SD247288  Melica harfordii George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20819 Placer Northern Sierra Nevada Moutains Foothills: Yankee Jim's Road, 3.6 mile northwest of its junction with Forest Hill Road (Forest Hill 7.5'Q) 768 Comment
  UC1153839  Melica harfordii Beecher Crampton 1955-6-15 2897 Placer 5.5 mi w Iowa Hill (Shirttail Canyon); Shirttail Canyon Comment
  UCD36652  Melica harfordii Beecher Crampton 1955-6-15 2872 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  SACT001539  Melica torreyana Michael Baad 1983-5-7 Placer 2 miles south of Colfax on Iowa Hill Road; rocky opening; disturbed area 978.0 Comment
  SACT001540  Melica torreyana Michael Baad 1983-4-17 Placer 411.48 Comment
  SACT001555  Melica torreyana D. Meyer 1984-6-3 Placer dam lookout 224.0 Comment
  UCR173273  Melica torreyana George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10437 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  UCR207884  Melica torreyana George K. Helmkamp, E. A. Helmkamp 2009-4-22 14579 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  CDA39027  Melilotus albus D. G. Kelch 2011-10-3 11 .826 Placer Tahoe City. Granlibakken Resort. Comment
  UCR258208  Mentha arvensis George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20048 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
  UCD22376  Micranthes aprica Rex Palmer 1979-5-27 N 75 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22378  Micranthes aprica Rex Palmer 1979-6-19 N 243 Placer Headwaters basin area of the North Fork of the American River Comment
  SCFS1044  Micranthes bryophora E. Krimmel 2014-8-7 Placer high alpine meadow Comment
  UCD22364  Micranthes bryophora Beth Lowe Corbin 1982-8-19 386 Placer 2 miles SSE of The Cedars. 2011 Comment
  UCD22372  Micranthes bryophora Rex Palmer 1979-6-19 N 244 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC428879  Micranthes californica Marcus E. Jones 1882-7-1 3587 Placer Emigrant Gap Comment
  SCFS1224  Micranthes californica E. Krimmel 2014-5-10 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Comment
  CAS-BOT-BC429297  Micranthes tolmiei C. F. Sonne 1885-8-23 92 Placer Sierra Nevada Mts. Tinker Knob 2895 Comment
  UC88372  Micropus californicus var. californicus Mrs. K. Brandegee Apr 1883 Placer Roseville Comment
  CHSC79682  Microseris nutans G. F. Hrusa; J. Glazner 1999-7-18 15185 Placer Northern California; Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1889 Comment
  UC194718  Microseris nutans A. A. Heller 1909-7-16 Placer Summit 2133 Comment
  UC829637  Microseris nutans Lewis S. Rose 1941-7-12 41306 Placer Chambers Lodge, McKinney Lake Tahoe 1920 Comment
  UCD21783  Microseris nutans Rex Palmer 1979-6-20 N 329 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC72880  Microsteris gracilis L. P. Janeway; Eric Schroder 1998-7-13 5750 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UCD122166  Mimulus angustatus Kenneth T. Stearns 1975-5-24 s.n. Placer Todd Valley Estates, south field at end of Redwood Court. 822 Comment
  UCD144313  Mimulus aurantiacus G. F. Hrusa 1995-5-20 12185 Placer Approximately 1 km on Mosquito Ridge Rd past Gorman Ranch Road intersection. 700 Comment
  UCR250171  Mimulus aurantiacus var. grandiflorus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20477 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
  UC193049  Mimulus bicolor C. F. Sonne 1897-5-17 Placer between Towles and Shady Run Comment
  CDA15675  Mimulus breweri G. F. Hrusa, J. Glazner 1999-7-18 15225 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  RSA122638  Mimulus breweri B. Bolt 1934-7-11 97 Placer Cascade Lakes, Truckee 2043 Comment
  SCFS11529155  Mimulus cardinalis Unknown 2014-7-5 Placer Onion Creek crossing near confluence with NF Am. river, on trail Comment
  UC1272391  Mimulus congdonii Mrs. M. E. P. Ames 1896-1 Placer Auburn Comment
  SEINET5796510 Image available Mimulus glutinosus Marcus E. Jones 1882-1 Placer Emigrant Gap.; 39.3004 -120.6715 Comment
  RSA447927  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  RSA447929  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  RSA569212  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCR193362  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-5-30 12183 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River 800 Comment
  UCR240956  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2012-9-25 19907 A Placer Northern Sierra Nevada Mountains, Blue Canyon Road south of I-80 and 0.1 mile north of the Southern Pacific Railroad crossing 1451 Comment
  CDA41804  Mimulus guttatus Rex Palmer 1979-7-19 N 227 Placer Headwaters Basin Area of the North Fork of the American River. 0 Comment
  SEINET4677964  Mimulus guttatus Johnnie L. Gentry Jr., Earl Jensen Jr. 1968-7-11 2132 Placer Tahoe National Forest, 3.3 miles northwest of Hwy. junction California 89 and 28 at Tahoe City, on California 89, 3.2 miles west of California Hwy. 89 Alpine Meadows.; 0 2073 Comment
  SEINET8274773  Mimulus guttatus Keith G. Weinstock 1975-5-24 29 Placer 0.1 mile down Foresthill Road and Old Foresthill Road. Comment
  UC886380  Mimulus layneae C. L. Hitchcock 1940-5-15 6406 Placer 6 mi n Colfax 762 Comment
  UCD21888  Mimulus lewisii Rex Palmer 1979-7-25 N 676 Placer Exact location unknown. Comment
  JEPS71713  Mimulus lewisii Gladys L. Smith 1972-8-25 3436 Placer meadow below North cirque; Granite Chief 2575 Comment
  SEINET4691384  Mimulus mephiticus George K. Helmkamp, E. A. Helmkamp 2010-1 16679 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road. 1662 Comment
  UCD43913  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-25 1279 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC147637  Mimulus moniliformis Harriet A. Walker 1908-6-23 1231 Placer Blue Canyon 1432 Comment
  CHSC82571  Mimulus moschatus Lowell Ahart 2002-7-22 9901 Placer About 40 yards northwest of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1774 Comment
  UC445153  Mimulus nanus var. nanus C. F. Sonne May 1896 6116 Placer between Blue Canyon and Fowler Comment
  RSA434711  Mimulus primuloides Bonnie C. Templeton 1931-7-5 1507 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  RSA569051  Mimulus primuloides Bonnie C. Templeton 1931-7-5 1507 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UC41876  Mimulus primuloides C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  UC41880  Mimulus primuloides Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  CDA15980  Mimulus primuloides subsp. primuloides G. F. Hrusa, J. Glazner 1999-7-17 15164 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCR209723  Mimulus primuloides var. primuloides George K. Helmkamp, E. A. Helmkamp 2009-8-12 15447 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  JEPS8656  Mimulus pulsiferae Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunziker, D. Zohary, F. Ehrendorfer & H. Stutz 1952-7-20 3882 Placer 7 mi e Iowa Hill (tributary of the upper reaches of creek); Tahoe Nat. Forest, Shirttail Creek Comment
  CDA16796  Mimulus tilingii G. F. Hrusa, J. Glazner 2001-7-15 15935 Placer Sierra Nevada; N face of Crows Nest Pk. immed. W of Sugarbowl. 2286 Comment
  UC124404  Mimulus tilingii T. S. Brandegee Sept. 1888 Placer Donner Comment
  UC194065  Mimulus tilingii C. F. Sonne 1886-8-16 Placer above Coldstream 2590 Comment
  UCD44424  Mimulus tilingii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1790 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC445165  Mimulus torreyi Miss Martha Brier Placer near Fowler; Bear Valley Comment
  UC569871  Mimulus torreyi G. T. Nordstrom 1934-6-22 157 Placer 1/2 mi ne Mammoth Spring; Colfax Quadrangle 1706 Comment
  CAS-BOT-BC174570  Minuartia californica Carl B. Wolf 1937-3-30 8349 Placer Sacramento Valley, 4 8/10 mi. E. of Lincoln on Penryn Road 91 Comment
  RSA20893  Minuartia californica C. B. Wolf 1937-3-30 8356 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 Comment
  CAS-BOT-BC432975  Mitella breweri A. A. Heller 1909-7-16 9833 Placer Summit 2133 Comment
  UC615349  Mitella breweri Beryl O. Schreiber 1933-7-21 898 Placer near Mount Ellis Trail above Homewood; Lake Tahoe Comment
  UCD38904  Modiola caroliniana Beecher Crampton 1959-7-23 5427 Placer 6 miles north of Folsom. Comment
  SEINET12272517  Monardella candicans M. E. Jones 1882-1 3458 Placer Colfax 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-BC314188  Monardella odoratissima subsp. pallida H. M. Hall 1910-7-1 8731 Placer Cisco 1828 Comment
  SD243167  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-8-14 16771 Placer Northern Sierra Nevada Mountains: Deadwood Road, 1.2 miles south of its junction with Forest Hill Road. Roadside bank. 1563 Comment
  UC1048670  Monardella odoratissima subsp. pallida Lewis S. Rose 1941-7-16 41316 Placer Homewood Lake Tahoe 1920 Comment
  UC148981  Monardella odoratissima subsp. pallida H. M. Hall July 1, 1910 8731 Placer Cisco Sierra Nevada Mountains 1828 Comment
  UC883619  Monardella odoratissima subsp. pallida P. A. Lebenbauer 1934-6-10 Placer Near Homewood; Lake Tahoe Comment
  UC883621  Monardella odoratissima subsp. pallida P. A. Lebenbauer 1935-6-18 Placer Near Tahoe City 1898 Comment
  UCR206876  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2009-7-16 15197 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCR216032  Monardella odoratissima subsp. pallida George K. Helmkamp, Amy Barnes 2009-7-12 15188 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  CAS-BOT-BC318591  Monardella odoratissima subsp. pallida Mrs. H. C. Cantelow 1938-7-2 2268 Placer 8 mi N of Auburn Comment
  UCR240898  Monardella sheltonii George K. Helmkamp, E. A. Helmkamp 2012-6-19 19211 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road 820 Comment
  RSA0022808  Monardella villosa Donald Wyrick 1961-6-21 296 Placer On Klamath River Road just west of Highway 99. 762 Comment
  UCD149498  Montia fontana G. L. Stebbins 1978-5-28 78101 Placer Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS82036  Montia fontana Gladys L. Smith 1982-6-24 7431 Placer near Squaw Valley (Goose Meadow, along Rte [89]); Goose Meadow 1828 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
  POM114424  Muhlenbergia filiformis Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UC569416  Muhlenbergia filiformis H. S. Yates 1936-8-9 5988 Placer two mi sw Martis Peak; Truckee Quadrangle 2286 Comment
  CAS-BOT-BC275166  Muhlenbergia richardsonis Peter Rubtzoff 1976-9-19 8873 Placer Lake Van Norden, on E side of lake, N of the dirt road 2063 Comment
  UCR201933  Muhlenbergia richardsonis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14027 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  POM216165  Muhlenbergia rigens D. D. Keck 1933-6-1 2439 Placer South of Roseville, near Sacramento County-Placer County line. Comment
  SD247365  Myosotis scorpioides George K. Helmkamp, E. A. Helmkamp 2012-6-19 19248 Placer Northern Sierra Nevada Mountains; Robinson's Flat,27 miles east of Forest Hill at the end of Forest Hill Road. 2040 Comment
  JEPS127527  Myosurus apetalus var. montanus Steve Matson 1998-6-6 218 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, south side of Highway 267, under power lines. Comment
  CDA19071  Myriophyllum aquaticum R. Simon 2001-4-13 PDR 062707 Placer Corner of Roseville Parkway and Ornetto, Roseville. 0 Comment
  UCD148970  Myriophyllum spicatum John D. Madsen; David F. Spencer 1996-4-2 s.n. Placer From Truckee River, adjacent to California Highway 89, approximately 150m downstream of the dam at Tahoe City. Comment
  JEPS21149  Nama lobbii N. French 1934-5-28 374 Placer 1 1/2 mi w Black Mountain; Colfax Quad., w of Black Mountain 1767 Comment
  SEINET3156176  Nama lobbii H. A. Walker 1908-7-26 1498 Placer Cisco Comment
  UC1069120  Nama lobbii R. W. Lundh 1933-4-26 235 Placer 3 mi s Signal Peak; Colfax Quad. Tahoe National Forest, s of Signal Peak Comment
  UCR216030  Nama lobbii George K. Helmkamp, Amy Barnes 2009-7-12 15186 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  SD247382  Nasturtium officinale George K. Helmkamp, Mary Alice Barnes 2013-3-3 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 miles east (87 degrees) of Forest Hill. 422 Comment
  JEPS127455  Navarretia breweri Steve Matson 1998-6-14 228 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, at base of highway rampart, just west of Martis Creek. Comment
  UC1124124 Image available Navarretia divaricata subsp. divaricata G. T. Nordstrom 1934-6-21 150 Placer .4 mi W.N.W of Mammoth Springs; Tahoe National Forest, Colfax Quad. Comment
  UC1040678  Navarretia eriocephala Beecher Crampton 1953-5-14 1273 Placer 3 mi n Roseville- (U.S. Hwy 99 E) Comment
  POM65689  Navarretia filicaulis Katherine Brandegee 1908-07 s.n. Placer Cape Horn. Comment
  SEINET178555  Navarretia filicaulis Marcus E. Jones 1982-7-3 3417 Placer Colfax 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
  CHSC74245  Navarretia intertexta subsp. propinqua Susi Urie 1998-9-4 98 -256 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
  CHSC40013  Navarretia leptalea Lewis S. Rose 1941-7-18 41319 Placer Chambers Lodge (McKinney), Lake Tahoe. Meadow. 1920 Comment
  SBBG58362  Navarretia leptalea A. A. Heller 1927-8-15 14445 Placer near the Yuba River, Cisco Comment
  SD38789  Navarretia leptalea Dr. De Forest 1931-5-4 2064 B Placer Crystal Lake Comment
  CHSC79789  Navarretia leptalea subsp. bicolor G. F. Hrusa; J. Glazner 1999-7-18 15224 Placer Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434N, 07418E. 1905 Comment
  UC880051  Navarretia leptalea subsp. leptalea Lewis S. Rose 1937-7-29 37616 Placer Tahoe Vista 1905 Comment
  HSC83897  Navarretia leucocephala subsp. minima Thomas W. Nelson, Jane Nelson 1979-4-11 4600 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  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
  UC1124149  Navarretia tagetina C. R. Clar 1933-6-5 130 Placer sw Auburn Placer National Forest, Sacramento Quad., Auburn 243 Comment
Read comments
Jun 11 2013
  SCFS5088  Nemophila F. Felix, Erica Krimmel 2013-5-19 30 Placer North Fork American River, 0.5 mile east of Heath Falls overlook, on trail Comment
  JEPS126331  Nemophila heterophylla Steve Matson 2006-4-23 1600 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UCR224861  Nemophila pulchella var. fremontii George K. Helmkamp, E. A. Helmkamp 2010-4-23 15911 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  UC880962  Nemophila spatulata Marcus E. Jones, A. M. 1882-6-30 2816 Placer Emigrant Gap Comment
  POM289638  Nemophila spatulata Lyman Benson 1933-6-26 4543 Placer 4 miles west of Donner Pass, Sierra Nevada, Bear River Watershed, Canadian zone, US 40. 1982 Comment
  RSA76003  Nemophila spatulata Lincoln Constance 1938-6-6 2279 Placer 6.5 miles west of Cisco, Sierra Nevada. 1585 Comment
  SEINET5536436  Nemophila spatulata L. R. Miller 1936-5-19 s.n. Placer Above Zephyr Cove, Lake Tahoe Comment
  UC606960  Nemophila spatulata L. Constance 1938-6-6 2279 Placer 6.5 mi w Cisco (Sierra Nevada); , w of Cisco 1584 Comment
  CAS-BOT-BC231505  Nicotiana G. P. Rixford 1914-6-22 s.n. Placer Loomis Comment
  UCD110234  Notholithocarpus densiflorus var. echinoides G. L. Stebbins Jr. 1941-7-16 3168 Placer Blue Canyon. Comment
  UC169240  Oenothera cespitosa subsp. marginata Katharine Brandegee 1913-1 2048 a Placer Canyon of the Truckee Comment
  UC174843  Oenothera cespitosa subsp. marginata Katharine Brandegee June 1913 Placer Canyon of the Truckee Comment
  JEPS127509  Oenothera flava Steve Matson 1998-7-12 333 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-BC349975  Oreostemma alpigenum var. andersonii John Thomas Howell 1943-7-19 18590 Placer Summit Valley Comment
  CDA13694  Orobanche corymbosa G. F. Hrusa, J. Glazner 1997-8-3 14054 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  JEPS72368  Orobanche corymbosa subsp. corymbosa Gladys L. Smith 1972-8-25 3416 Placer Near base of Granite Chief. Comment
  CAS-BOT-BC500307  Orobanche uniflora subsp. occidentalis C. F. Sonne 1884-8-24 281 Placer Sierra Nevada Mountains: Rocks above Coldstream Comment
  CAS-BOT-BC500308  Orobanche uniflora subsp. occidentalis Alice Eastwood 1909-8-1 267 Placer Deer Park Comment
  JEPS73652  Orobanche uniflora subsp. occidentalis L. R. Heckard with G. L. Stebbins 1973-6-17 3440 Placer East face of Big Valley Bluff, about 7 air miles southeast of Emigrant Gap. Comment
  JEPS111231  Orogenia fusiformis Steve Matson 2005-6-11 1248 b Placer North shore of Lake Tahoe; Cedar Flat; National Forest; 39.1842 N, 120.1085 W; Elevation 6700 ft. 2042 Comment
  SJSU6215  Orthilia secunda R. L. Fisher 1959-8-12 Placer 2 mi W of L Van Norden 1981 Comment
  UCD22164  Orthilia secunda Rex Palmer 1979-7-11 N 537 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC458057  Orthilia secunda C. F. Sonne 1885-10-11 209 Placer Sierra Nevada Mts: Summit at Lake Angeline Comment
  UCD18250  Orthocarpus cuspidatus subsp. cryptanthus E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 462 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
  POM82918  Osmorhiza berteroi Marcus E. Jones 1882-6-29 2734 Placer Emigrant Gap. Comment
  CDA15687  Osmorhiza occidentalis G. F. Hrusa, J. Glazner 1999-7-18 15238 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS59351  Osmorhiza occidentalis Ezra Brainerd and Viola B. Baird 1915-7-25 209 Placer Garden of the Gods Deer Park Valley (head of valley) 2072 Comment
  UC854375  Paeonia brownii Alice Eastwood Jun 15 1912-Jun 19 1912 362 Placer Deer Park Lake Tahoe Region Comment
  RSA654060  Panicum dichotomiflorum Beecher Crampton 1977-9-30 9531 Placer Applegate, Opposite grocery store Comment
  SACT001645  Panicum pacificum Michael Baad 1977-6-9 Placer At junction of Middle Fork of American River and Rubicon River 365.76 Comment
  CHSC96598  Parentucellia viscosa L. P. Janeway 2006-5-10 8593 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. 43 Comment
  UCR232250  Parentucellia viscosa George K. Helmkamp, E. A. Helmkamp 2011-5-6 17221 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
  CAS-BOT-BC259632  Paspalum dilatatum Peter H. Raven 1954-8-27 7955 Placer Roseville 48 Comment
  UCD88733  Paspalum dilatatum Beecher Crampton 1965-9-13 7496 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  UCD88755  Paspalum dilatatum Collector Unknown 1939-6-23 s.n. Placer Catlin, Auburn. Comment
  SEINET4670718  Paspalum urvillei B. Crampton 1965-9-13 7499 Placer Gold Run, Interstate Hwy 80 975 Comment
  UCD44542  Pectiantia breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1908 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC74275  Pedicularis attollens Susi Urie 1998-8-29 98 -168 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UC128142  Pedicularis attollens Miss Harriet A. Walker 1470 Placer near Cisco Lake; Cisco Comment
  UCR209726  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15454 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 21.7 miles northeast of the city of Foresthill 1701 Comment
  UCR242368  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2010-7-28 16677 Placer Northern Sierra Nevada Mountains, Robinson Flat campground near the junction of Forest Hill Road and Soda Springs Road, 27 miles northwest of the city of Foresthill 2040 Comment
  SEINET7719334  Pedicularis semibarbata Unknown 1888-6-30 Placer Summit Soda Comment
  SEINET3153898  Pellaea brachyptera M. E. Jones 1882-6-28 3275 Placer Emigrant Gap Comment
  JEPS35116  Pellaea breweri C. F. Sonne Aug 1887 320 Placer e slope <Mt Andersen> (above Coldstream); Sierra Nevada Mts Comment
  CAS-BOT-BC69381  Pellaea breweri C. F. Sonne 1885-7-12 320 Placer Mountains above Coldstream 2438 Comment
  JEPS73135  Pellaea bridgesii Gladys L. Smith 1972-6-20 3269 Placer Ward Peak 2286 Comment
  UCD137727  Pellaea bridgesii S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. 1850 Comment
  SEINET10929437  Pellaea bridgesii G. B. Grant 1906-8-1 Grant UMO 31180 Placer Collected at Lake Tahoe, Sierra Nevada Mts. 2 Comment
  SDSU10918  Penstemon azureus D. F. Howe 1978-7-15 5072 Placer Rte 20, 27 miles W of Truckee. 1585 Comment
  UCR240895  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19208 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road 820 Comment
  CHSC85478  Penstemon gracilentus G. F. Hrusa; J. Glazner 2000-9-3 15672 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UCD21905  Penstemon heterodoxus Beth Lowe Corbin 1982-8-24 414 Placer 2 1/2 miles SSE of The Cedars. In rocky, fine, sandy soil. Open, meadowy hillside in Red Fir forest. Flowers deep purple, throat paler. Full sun. North facing slope, 40% incline. Occasional. 2194 Comment
  CAS-BOT-BC264480  Penstemon heterodoxus var. heterodoxus F. Almeda 1993-7-24 7255 Placer About 15 miles SE of Interstate Highway 80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CAS-BOT-BC264489  Penstemon heterodoxus var. heterodoxus Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  JEPS7572  Penstemon heterophyllus var. purdyi W. H. Shockley Jun 1886 15 Placer Auburn Comment
  UC887073  Penstemon heterophyllus var. purdyi A. A. Heller 1917-6-19 12748 Placer 5 mi w Colfax; w of Colfax Comment
  NY951329  Penstemon neotericus C. A. Wellner 1984-6-21 3065 Placer 1524 Comment
  OBI24256  Penstemon newberryi N. H. Russell 1961-6-16 11041 Placer 5 mi E of Calif 89, S end of Lake Tahoe Comment
  NY627325  Penstemon newberryi var. newberryi N. H. Holmgren 1966-7-19 2907 Placer Along old US 40, 1.5 miles east of Norden Comment
  NY627374  Penstemon newberryi var. newberryi K. H. Thorne 1987-6-26 5436 Placer Truckee River Comment
  UC1341757  Penstemon newberryi var. newberryi Noel H. Holmgren, James L. Reveal 1966-7-19 2907 Placer 1 1/2 mi E of Norden (along old US 40, S of Hwy) Comment
  UC565930  Penstemon newberryi var. newberryi N. French 1934-5-24 369 Placer north Fork of North Fork of American River 1341 Comment
  UCR231825  Penstemon newberryi var. newberryi George K. Helmkamp, E. A. Helmkamp 2010-8-14 16773 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
  CDA13702  Penstemon roezlii G. F. Hrusa, J. Glazner 1997-8-3 14062 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  JEPS15336  Penstemon roezlii N. French 1934-5-28 372 Placer 1 1/2 mi w Black Mountain; Tahoe National Forest, Colfax Quad., w of Black Mountain 1767 Comment
  POM315780  Penstemon roezlii Katherine Brandegee 1910-07 11471 Placer Emigrant Gap. Comment
  UC27499  Penstemon roezlii C. J. Fox Jr. July, 1895 Placer near Squaw Peak; near Squaw Peak Comment
  CAS-BOT-BC239581  Penstemon rydbergii var. oreocharis L. S. Smith 1939-7-1 s.n. Placer Ice Lakes, Tahoe National Forest 609 Comment
  CAS-BOT-BC239583  Penstemon rydbergii var. oreocharis L. S. Smith 1926-6-23 1977 Placer Tahoe National Forest, Squaw Valley Mdw 1889 Comment
  CHSC74278  Penstemon rydbergii var. oreocharis Susi Urie 1998-9-2 98 -217 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  NY651261  Penstemon rydbergii var. oreocharis L. S. Rose 1940-6-2 40460 Placer Truckee River, 10 miles north of Tahoe City 1828.8 Comment
  POM44157  Penstemon rydbergii var. oreocharis Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  RSA45351  Penstemon rydbergii var. oreocharis L. S. Smith 1938-7-22 s.n. Placer Squaw Valley. Tahoe National Forest. Comment
  UCD43936  Penstemon rydbergii var. oreocharis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1302 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SD247511  Penstemon speciosus George K. Helmkamp, Elizabeth A. Helmkamp 2012-6-19 19226 Placer Northern Sierra Nevada Mountains: Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road (Duncan Peak 7.5'Q) 1671 Comment
  POM283518  Penstemon speciosus Lyman D. Benson 1932-7-31 4018 Placer 2 mi N Tahoe Tavern. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  RSA437415  Penstemon speciosus Robert F. Thorne, J. Chandler 1987-6-26 5424 Placer CA Hwy 267, 3.2 mi S of Brockway Summit. Comment
  UC35612  Pentachaeta exilis H. N. Bolander 1865-4-11 4540 Placer Auburn 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
  UCSB32267  Perideridia bolanderi Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UC1436542  Perideridia lemmonii Arnold Tiehm Apr 1977 s. n. Placer Goose Meadow, Lake Tahoe Comment
  JEPS126338  Perideridia parishii Steve Matson 1998-8-21 390 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt roas extension of Tiger Ave. along power lines at junction with west fork of Snow Creek. Comment
  SEINET11155459  Perideridia parishii subsp. latifolia A. Robinson, C. Mausert-Mooney, M. McCoy-Sulentic 2009-8-27 NV 030 -280 Placer Onion Creek, take 80 W into cali, exit Donnor pass rd. and head towards the donnor campground, keep on Donnor pass until you get to Soda Springs road and turn left. Follow Soda Springs road until you get to dirt follow for approximately 4 miles to a meadow on left side of the road which is the collections site. 1862 Comment
  CAS-BOT-BC418935  Persicaria lapathifolia E. R. Blakley 1960-9-3 3818 Placer King's Beach, Lake Tahoe 1903 Comment
  CAS-BOT-BC419153  Persicaria maculosa Catherine Best 1985-9-15 1151 Placer Sugar Pine Reservoir about 6 miles north of Foresthill 1158 Comment
  UCR208579  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2009-5-7 14621 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  CHSC67664  Phacelia hastata subsp. compacta James D. Jokerst 1986-7-13 2737 B Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak, scree on S-facing slope. Comment
  UCD120496  Phacelia hastata subsp. compacta G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12637 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  SEINET2441255  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15439 Placer Sierra Nevada Mountains: Forest Hill Road, 0.8 mile west of Robinson Flat, ca 27 miles NE of the city of Foresthill. (Duncan Peak 7.5' Q.).; 0 2034 Comment
  UCR191132  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2007-6-12 12315 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UCR233382  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18166 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  UC1035539  Phacelia mutabilis Kay H. Beach 1941-8-20 1601 Placer roadside on U.S. 40 about 3 mi e Emigrant Gap; Sierra Nevada Mountains Comment
  SEINET5506818  Phacelia racemosa H. M. Hall 1910-6-19 8701 Placer Cisco 1804 Comment
  JEPS111161  Phacelia ramosissima var. ramosissima Steve Matson 2005-7-16 1394 Placer Tahoe west shore, technically just outside the Tahoe Basin, about 900 meters northwest of Barker Pass/PCT trailhead, just past where PCT crosses stream. 39.0800 N 120.2429 W; elevation 8,000 ft. 2438 Comment
  CHSC40977  Phacelia stebbinsii J. D. Jokerst 1984-6-20 2062 Placer Scattered on moss-covered bedrock outcrops that describe a very subtle spur ridge that descends into the canyon of Big Grizzly Cr. Several hundred feet below low mountain top that looks into both the Big Grizzly Cr and Rubicon River canyons. 1112 Comment
  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
  SACT001699  Phalaris arundinacea D. Meyer 1984-7-21 Placer Near golf course. 2000.0 Comment
  CAS-BOT-BC259075  Phalaris lemmonii L. R. Abrams 1935-4-20 13685 Placer Roseville Comment
  SACT001709  Phalaris lemmonii D. Meyer 1983-5-15 Placer Field at Southeast corner. 36.6 Comment
  UCD35460  Phalaris lemmonii Beecher Crampton 1957-5-7 3991 Placer 2 miles N of Lincoln. Comment
  SACT001730  Phalaris tuberosa var. stenoptera Josephine Van Ess 1976-5-12 Placer Collected at small stream west of Bankherd Street 91.5 Comment
  JEPS81208  Philadelphus lewisii Douglas W. James Jr. 1973-5-27 122 Placer off Mosquito Ridge Rd 1/2 mi below junction with French Meadow Road (11.1 mi from Forest Hill) 1524 Comment
  UC858324  Philadelphus lewisii Marcus E. Jones, A. M. 1882-7-3 3586 Placer Colfax Comment
  UCD132716  Philadelphus lewisii Ramona Robison 2012-6-21 s.n. Placer Auburn State Recreation Area, along banks of Lake Clementine. 219 Comment
  JEPS75177  Phleum alpinum Gladys L. Smith 1972-8-23 3427 Placer n face Granite Chief (between junction of Pacific Trail and cirque); n face of Granite Chief 2621 Comment
  UCD43335  Phleum alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 703 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD89344  Phleum alpinum R. Tofsrud 1951-7-11 s.n. Placer Ice Lake, 4 miles S of Soda Springs. Comment
  CHSC74342  Phleum pratense Susi Urie 1998-8-29 98 -164 Placer Lake Tahoe Basin-National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. Meadow complex. 2115 Comment
  SACT001749  Phleum pratense D. Meyer 1983-9-10 Placer Near parking lot, moist streambank and meadow. 1879.0 Comment
  JEPS71461  Phlox austromontana Gladys L. Smith 1972-6-20 3206 Placer Ward Peak 2621 Comment
  UCD21969  Phlox diffusa Rex Palmer 1979-5-27 N 80 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS71318  Phlox gracilis Gladys L. Smith 1972-6-20 3268 Placer lower flanks of Ward Peak Ward Peak 2286 Comment
  UC30191  Phlox gracilis H. N. Bolander 1865-1 4508 Placer near Auburn Comment
  UC702937  Phlox gracilis Lewis S. Rose 1941-7-8 41292 Placer Chambers Lodge (McKinney) Lake Tahoe 1920 Comment
  UC880472  Phlox gracilis Lewis S. Rose 1940-6-1 40453 Placer Tahoe City 1889 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
  UCD22380  Phoenicaulis cheiranthoides Beth Lowe Corbin 1982-8-10 305 Placer 1 3/4 mile NW of Onion Creek Campground. SE facing slope, 40% incline. Locally common. Full sun. Open, rocky talus slope, above white fir forest. 2133 Comment
  CHSC81827  Phoradendron densum Lowell Ahart 2001-10-10 9336 Placer West of Soda Springs Road, about one mile south of Ice Lakes, about 3 miles south of Soda Springs and Highway 80. 2011 Comment
  UC1121045  Phyllodoce breweri N. French 1934-6-8 405 Placer Tahoe National Forest, Cisco Butte Cisco Butte; Tahoe National Forest, Cisco Butte 2072 Comment
  UC1121048  Phyllodoce breweri C. W. Hanks 1934-10-11 124 Placer Tahoe National Forest, Upper end of Cold Creek Canyon Cold Creek Canyon; Tahoe National Forest, Cold Creek Canyon 2286 Comment
  UCR258219  Picris echioides George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20052 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
  SEINET6166094  Pilularia americana H. N. Mozingo 1972-1 72 -1 Placer Sacramento Valley, just north of Lincoln Comment
  JEPS73151  Pinus albicaulis Gladys L. Smith 1972-8-25 3422 Placer summit area Granite Chief 2775 Comment
  CAS-BOT-BC78464  Pinus contorta subsp. murrayana A. A. Heller 1917-8-13 12883 Placer Summit [valley] Valley 2118 Comment
  CHSC45833  Pinus contorta subsp. murrayana Lowell Ahart 1972-7-28 129 Placer Near meadows, near Ahart Camp, French Meadows. 1615 Comment
  SEINET11528646  Pinus contorta var. murrayana P. Lehenbauer 1929-11-4 s.n. Placer Fish hatchery, Tahoe City. Comment
  OBI20101  Pinus jeffreyi David J. Keil 1978-7-23 12952 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UCD23233  Pinus lambertiana Beth Lowe Corbin 1982-8-20 394 Placer 1 mile northwest of Onion Creek campground. 2072 Comment
  UCD134816  Pinus monticola J. M. Tucker 1975-7-29 4353 Placer Trail to Mountain Meadow Lake, ca .5 mile below the lake and 5-6 miles southeast of Chickering enclave at The Cedars. 2377 Comment
  UCD133282  Pinus ponderosa Beecher Crampton 1960-11-2 5799 Placer town of Gold Run. 975 Comment
  SEINET5334740  Pinus ponderosa var. ponderosa W. D. Billings 1943-1-17 1587 Placer 3 mi. NE of Tahoe City, north side of Lake Tahoe Comment
  RSA0008981  Pinus sabiniana Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  JEPS71521  Plagiobothrys cognatus Gladys L. Smith 1972-6-18 3157 a Placer open meadow in forest below Scott Peak; Alpine Meadows 2072 Comment
  UCD80163  Plagiobothrys fulvus var. campestris CNPS SN Foothill Team 2005-4-14 SNFN 0110 c Placer Placer Legacy, Spears/Didion Ranch. Releve situated on east side of entry road, approximately 150 meters north of entry gate off of Mears Road. 309 Comment
  CAS-BOT-BC230951  Plagiobothrys hispidulus Alice Eastwood 1912-6-15 445 Placer Lake Tahoe Region. Tahoe City Comment
  CAS-BOT-BC230953  Plagiobothrys hispidulus Marcus E. Jones 1882-6-23 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC230954  Plagiobothrys hispidulus Geo. B. Grant 1906-8-1 6932 Placer About Lake Tahoe Comment
  CHSC73035  Plagiobothrys hispidulus L. P. Janeway 1998-8-6 5965 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
  UC881365  Plagiobothrys hispidulus A. A. Heller 1917-8-12 12877 Placer Southern Pacific Reservoir w Emigrant Gap; Southern Pacific Reservoir Comment
  CHSC114671  Plagiobothrys nothofulvus CDFA Staff 1998-4-22 Placer Dry Creek. Comment
  RSA0054888  Plagiobothrys nothofulvus Keith E. Hoffmaster 1941-3-22 1012 Placer A few miles south of Pilot Hill. Comment
  RSA666370  Plagiobothrys nothofulvus Barbara Ertter, David Thompson 1989-4-8 8151 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  POM71637  Plagiobothrys scouleri var. hispidulus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  CHSC67789  Plagiobothrys scriptus James D. Jokerst 1986-3-19 2599 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. 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
  RSA756487  Plantago erecta Barbara J. Ertter, David Thompson 1989-4-8 8157 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  CAS-BOT-BC516752  Plantago lanceolata George K. Helmkamp; Amy Barnes 2013-3-28 20295 Placer Eastern Sacramento Valley: NW side of jct of Riosa Rd and Andressen Rd, NE of Sheridan 36 Comment
  UCR258537  Plantago lanceolata George K. Helmkamp, Amy Barnes 2014-3-21 22625 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  CHSC81805  Plantago major Lowell Ahart 2001-10-10 9337 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  UC13512  Platanthera leucostachys C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  HSC97403  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-20 385 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy. 89 2058 Comment
  UC117003  Platanthera sparsiflora C. F. Sonne 1892-7-24 Placer woods on Truckee River Sierra Nevada Mountains, Truckee River Comment
  SEINET5340048  Platystemon californicus J. Ridley 1959-3-29 3 Placer 2 miles north of Roseville in open field one mile east of Hwy 99. 49 Comment
  SEINET5340049  Platystemon californicus B. Adams 1956-3-27 20 Placer Plowed field about 2 miles south of Roseville. 152 Comment
  CAS-BOT-BC254756  Poa bolanderi John Thomas Howell 1943-7-22 18711 Placer Summit Valley Comment
  CAS-BOT-BC254757  Poa bolanderi John Thomas Howell 1943-7-21 18643 Placer Donner Pass to Mount Lincoln Comment
  CAS-BOT-BC254758  Poa bolanderi Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles S of French Meadows 1600 Comment
  CAS-BOT-BC254762  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer Base of a cliff, N of Summit hotel 1676 Comment
  RSA129110  Poa bolanderi N. H. French 1934-6-22 s.n. Placer 1/2 mile W. of Lake Dulzura 2195 Comment
  SACT001805  Poa bolanderi D. Meyer 1983-8-20 Placer To summit of first lake, steep ricky trail with some moist meadow areas. 2000.0 Comment
  UCD90565  Poa bolanderi R. Tofsrud 1951-7-1 s.n. Placer Hwy. 40 (above Nayak) near Campton's store. Comment
  CDA36871  Poa bulbosa CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCD90629  Poa bulbosa Beecher Crampton 1967-7-26 8159 Placer 1.5 miles W of Weimar, near Heather Glen, Interstate Hwy. 80 W. 579 Comment
  UCR208558  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14658 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  UCD90843  Poa compressa Beecher Crampton 1955-7-13 3014 Placer Bear Valley, along State Hwy. 20, 1.5 miles north of Emigrant Gap. Placer-Nevada County border. 1371 Comment
  CAS-BOT-BC255142  Poa cusickii subsp. epilis John H. and Hazelle A. Thomas 1956-7-21 6186 Placer Vicinity of Donner Pass, about 80 miles NE of Sacramento 2377 Comment
  CHSC67744  Poa cusickii subsp. epilis James D. Jokerst 1986-7-13 2740 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, above Ted Beedy's 'El Cap' on trail. Comment
  SACT001845  Poa gracillima Michael Baad 1983-8-21 Placer On road to lakes 3.8 km southwest of Soda Springs exit off of I80. 2019.0 Comment
  SACT001877  Poa nervosa Michael Baad 1976-7-17 Placer 3.2 km west of Alpine Meadows Ski Area, opening in red fir and lodgepole pine forest. 2133.0 Comment
  UCR146857  Poa nervosa Beecher Crampton 1964-7-21 7130 Placer Sierra Nevada Mountains, Blue Canyon 1431 Comment
  SACT001879  Poa nevadensis D. Meyer 1983-8-7 Placer Southeast of county line on roadside. 1758.0 Comment
  SACT001880  Poa nevadensis D. Meyer 1984-6-10 Placer 3.2 km south of Colfax steep shady cliff above stream. 606.0 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
  CAS-BOT-BC247375  Poa pratensis Saichi Kawahara 1969-7-6 1416 Placer West of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SACT001899  Poa pratensis Michael Baad 1977-6-3 Placer 1.2 mile west of Big Reservoir Camp, serpentine outcrop with jeffery pine. 1219.2 Comment
  SACT001910  Poa pratensis D. Meyer 1983-9-10 Placer West end near parking lot mist streambank and meadow. 1879.0 Comment
  SACT001923  Poa pratensis D. Meyer 1983-7-30 Placer Collected in roadside ditch. 1853.18 Comment
  SACT001943  Poa pratensis D. Meyer 1983-8-7 Placer 4.6 km south of Placer County line, roadside wash. 1758.0 Comment
  UCD91952  Poa pratensis L. S. Smith Jul - Aug 1915 s.n. Placer Squaw Valley. Comment
  UC1132748  Poa pratensis subsp. pratensis H. S. Yates 1934-6-29 Placer near Brockway; Truckee Quadrangle Comment
  UCR121484  Poa pratensis subsp. pratensis George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5018 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SACT001968  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
  SACT001976  Poa scabrella Michael Baad 1983-7-16 Placer 5.44 km northeast of Junction with Chipmunk Ridge Road along south shore French Meadows Reservoir. Open rocky slope on left side of road. 1612.0 Comment
  SACT001982  Poa scabrella Michael Baad 1983-5-5 Placer .5 mile southeast of Canyon Way Road, descending to North Fork of American River 548.64 Comment
  SACT002008  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  UCD22234  Poa secunda subsp. juncifolia Rex Palmer 1979-6-21 N 409 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC242952  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Emigrant Gap 1615 Comment
  UC1132786  Poa secunda subsp. secunda G. T. Nordstrom 1934-6-21 128 Placer 0.4 mi w by nw Mammoth Springs (near Plot 208); Tahoe Nat'l Forest, Colfax Quadrangle Comment
  UC711004  Poa secunda subsp. secunda C. L. Hitchcock 1940-5-7 6341 Placer ca 1 mi w Baxter Comment
  UC821094  Poa secunda subsp. secunda A. A. Heller 1917-8-13 12917 Placer ridge nw of Donner Pass 2377 Comment
  UCD91645  Poa secunda subsp. secunda John Thomas Howell 1943-7-21 18638 Placer Donner Pass to Mt. Lincoln. Comment
  JEPS68381  Poa sierrae Leland S. Smith 1926-6-4 1888 Placer Tahoe Forest, Eldorado Canyon Tahoe Forest, Eldorado Canyon 762 Comment
  UCD43365  Podagrostis humilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 733 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD52761  Podagrostis humilis B. Crampton 1953-7-21 1538 Placer Harrison Flat Road, 1 mile south of Soda Springs. 2133 Comment
  SD3984  Polemonium californicum C. F. Sonne 1897-8-14 Placer Above Coldstream Comment
  UC882679  Polemonium occidentale Alice Eastwood 1909-1 61 Placer Sunnyside Lake Tahoe Region, Sunnyside Comment
  SEINET13759320  Polemonium occidentale subsp. occidentale T. W. Richardson 2002-9-16 s. n. Placer [Sierra Nevada] Tahoe City Lake Forest, Robert Pomin Park 1902 Comment
  CAS-BOT-BC300503  Polygala cornuta var. cornuta George K. Helmkamp; E. A. Helmkamp 2012-6-19 19216 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  POM86556  Polygala cornuta var. cornuta Marcus E. Jones 1882-7-3 3316 Placer Colfax. Comment
  CAS-BOT-BC110521  Polygonum John H. Thomas; Hazelle A. Thomas 1956-7-21 6171 Placer Sierra Nevada. Vicinty of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UCD43949  Polygonum bistortoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1315 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCR120231  Polygonum bistortoides George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5068 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  JEPS126269  Polygonum californicum Steve Matson 2003-6-9 826 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters South north of Martis Dam Road, 20 meters north of airport creek, 200 meters NW of vernal pools north of Highway 267. Comment
  CAS-BOT-BC414389  Polygonum californicum A. A. Heller 1917-8-15 12941 Placer Near Sheridan 38 Comment
  UC849191  Polygonum californicum A. A. Heller 1917-8-15 12941 Placer plains near Sheridan 38 Comment
  CAS-BOT-BC414539  Polygonum douglasii Alice Eastwood 1909-1-1 s.n. Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC414541  Polygonum douglasii A. A. Heller 1916-8-13 12910 Placer Summit hotel 2133 Comment
  JEPS126267  Polygonum douglasii Steve Matson 2000-7-6 466 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters north of Highway 267. Comment
  POM280358  Polygonum douglasii Lyman Benson 1942-7-2 11270 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD43121  Polygonum douglasii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 489 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  RSA122832  Polygonum douglasii B. Bolt 1934-7-19 150 Placer Colfax, Tadpole Springs. 1951 Comment
  UC570036  Polygonum douglasii subsp. douglasii B. Bolt 1934-7-19 150 Placer Tadpole Springs Colfax Quadrangle 1950 Comment
  RSA466396  Polygonum hydropiper Wm. Martin 1971-9-10 20225 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  JEPS102568  Polygonum lapathifolium Lowell Ahart 2001-10-10 9364 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  CAS-BOT-BC418584  Polygonum minimum A. A. Heller 1919-7-25 13290 Placer Near the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC419862  Polygonum polygaloides subsp. confertiflorum M. S. Jussel 1928-6-25 s.n. Placer Fish Hatchery Comment
  CAS-BOT-BC420032  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1963-7-11 39831 Placer Near Chambers Lodge, Tahoma 1915 Comment
  JEPS72996  Polygonum polygaloides subsp. kelloggii Gladys L. Smith 1972-6-18 3157 C Placer Scott Peak; foot 2072 Comment
  SDSU9657  Polygonum punctatum D. F. Howe 1961-8-8 3139 Placer By canal, 4 miles north of Auburn. 457 Comment
  UC1191257  Polygonum punctatum Malcolm A. Nobs and S. Galen Smith 1949-8-22 1540 Placer Roseville; stream at sw city limits Comment
  SEINET11261555  Polypodium hesperium George Helmkamp, E. A. Helmkamp 2012-5-5 18924 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
  POM264547  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer Near Auburn, bank of branch Rubicon River. Comment
  UCR249614  Polypogon interruptus George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20842 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.1 mile northwest of its junction with Spring Garden Road 738 Comment
  SACT002021  Polypogon maritimus Josephine Van Ess 1976-7-8 Placer Collected .25 mile north of Roseville waterworks. Moist ditch. Comment
  SACT002028  Polypogon maritimus D. Meyer 1984-6-23 Placer Intersection of Iowa Hill Road and the American River, rocky riverbank. 978.0 Comment
  SACT002033  Polypogon monspeliensis D. Meyer 1984-8-12 Placer 16km from French Meadows, dry roadside. 1612.0 Comment
  SD58160  Polystichum imbricans subsp. imbricans Matt Herbrand 1917-12-20 Placer 1525 Comment
  RSA3403  Populus balsamifera subsp. trichocarpa Carl B. Wolf 1931-9-11 2422 Placer near creek, 7 miles below summit of Donner Pass, W slope of Sierra Nevada 1829 Comment
Read comments
Aug 27 2010
  UCD43048  Populus tremuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 417 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  POM212165  Populus trichocarpa Carl B. Wolf 1931-9-11 2422 Placer near creek, 7 miles below summit of Donner Pass, W slope of Sierra Nevada 1829 Comment
  CAS-BOT-BC143114  Potentilla breweri C. F. Sonne 1886-7-25 351 Placer Mt. Stanford Comment
  UCD22276  Potentilla breweri Rex Palmer 1979-6-20 N 352 Placer Headwaters basin area of the North Fork of the American River Comment
  UC170070  Potentilla drummondii subsp. bruceae Miss Helen D. Geis 1912-6 37 b Placer Deer Park Comment
  CDA11990  Potentilla glandulosa subsp. glandulosa G. F. Hrusa 1995-5-2 12171 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UCR190661  Potentilla glandulosa subsp. glandulosa George K. Helmkamp, E. A. Helmkamp 2007-5-23 12072 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  SD103786  Potentilla glandulosa subsp. nevadensis Darley F. Howe 1978-7-15 Placer Along highway 20 off I-80, 29 miles west of Truckee 1646 Comment
  CHSC79355  Potentilla glandulosa subsp. reflexa Beecher Crampton 1972-6-20 8827 Placer Upslope from Bear Valley, State Hwy 20. 1402 Comment
  UCD113831  Potentilla gracilis Frederica Bowcutt 1994-7-22 1950 Placer Sierra Nevada Mtns, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  CAS-BOT-BC141634  Potentilla gracilis var. elmeri Alice Eastwood 1909-1-1 217 Placer Sunnyside Comment
  SEINET11261737  Potentilla gracilis var. fastigiata George Helmkamp, E. A. Helmkamp 2011-7-26 17895 Placer Northern Sierra Nevada Mountains: Bowman Lake Road, .9 mile north of its junction with CA Hwy 20, .85 mi. NE (231/4) of emigrant Gap and N of I-80 (Blue canyon 7.5' Q); 0 1434 Comment
  UCD44603  Potentilla gracilis var. fastigiata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1969 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC117467  Potentilla rivalis B. Castro; Jessica Boyt 2013-9-11 1998 Placer Northern High Sierra Nevada. Plumas National Forest;W edge of Frenchman Lake, at boat ramp NW of 'Lunker Point' site on maps. 1703 Comment
  SD3658  Primula suffrutescens C. F. Sonne 1897-8-14 Placer E slope Mt. Anderson Comment
  UCD139787  Prosartes hookeri Eric Brenner; John Hunter 1996-5-26 12 Placer Big Trees, Mosquito Ridge Rd, Tahoe National Forest. 1740 Comment
  CAS-BOT-BC508645  Prosartes hookeri Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CDA27763  Prosopis glandulosa var. torreyana M. K. Bellue, F. Clark 1945-10-11 Placer Railroad yards, Southern Pacific, Roseville. 0 Comment
  UCD125340  Prunella vulgaris F. A. MacFadden 1934-6-7 s.n. Placer Canyon Creek. Comment
  SEINET9262029  Prunella vulgaris subsp. lanceolata George K. Helmkamp, Elizabeth Helmkamp 2013-1 20804 Placer Northern Sierra Nevada Mountains Foothills; Yankee Jims Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5 Q) 768 Comment
  RSA0093562  Prunella vulgaris var. lanceolata George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22418 Placer Sierra Nevada Mountains Foothills. Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road. 651 Comment
  SEINET4691680  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2010-1 17029 Placer Northern Sierra Nevada Mountains Foothills: along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam. 1180 Comment
  CAS-BOT-BC163059  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer Near the Yuba River below Cisco 1676 Comment
  CDA7771  Prunus emarginata S. M. Blank 2007-6-13 s.n. Placer Tahoe City, NNW Pole Creek Comment
  POM88422  Prunus emarginata Marcus E. Jones 1897-8-10 s.n. Placer Blue Canyon Comment
  SD235010  Prunus emarginata G. K. Helmkamp, E. A Helmkamp 2008-8-20 14028 Placer Northern Sierra Nevada Mountains: Donner Pass Road on the west side of Donner Pass and East of Norden (Norden 7.5' Q) 2149 Comment
  UC380841  Prunus emarginata Marcus E. Jones, A. M. 1882-5-28 2693 Placer Emigrant Gap Comment
  UC859381  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer below Cisco (near the Yuba River) 1676 Comment
  UCD22280  Prunus emarginata Rex Palmer 1979-6-9 N 152 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  UCR232631  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2010-7-28 16644 Placer Northern Sierra Nevada Mountains, Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road 1567 Comment
  CAS-BOT-BC357340  Pseudognaphalium microcephalum W. R. Dudley 1909-8-16 s.n. Placer Monte Vista Comment
  UC1118465  Pseudognaphalium thermale G. F. Burks 1934-9-14 44 Placer Truckee River Tahoe National Forest, Truckee Quad., Truckee River 1828 Comment
  SACT002063  Pseudosasa japonica Josephine Van Ess 1976-9-22 Placer Collected in vicinity of 2120 Bald Hill Road. Wet Roadside ditch. 365.8 Comment
  UC1125784  Pseudostellaria sierrae B. Bolt 1934-7-19 146 Placer 1 mile N of Tadpole Springs 1981 Comment
  POM177611  Pseudotsuga menziesii I. L. Wiggins 1930-10-12 5083 Placer Near Cisco. 1982 Comment
  CAS-BOT-BC80154  Pseudotsuga menziesii Ira L. Wiggins 1930-10-12 5083 Placer Near Cisco 1981 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
  CAS-BOT-BC361711  Psilocarphus brevissimus var. brevissimus John Thomas Howell; Gordon H. True 1971-5-26 47628 Placer Northern limits of Lincoln 48 Comment
  UCD23229  Pteridium aquilinum var. pubescens Beth Lowe Corbin 1982-8-3 194 Placer Hill west of Onion Creek campground. 1853 Comment
  UCR231876  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-10-16 17019 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
  SBBG29003  Puccinellia distans B. Crampton 1967-7-26 Placer Kingvale, Interstate 80 1950 Comment
  CDA15660  Purshia tridentata G. F. Hrusa, J. Glazner 1999-7-18 15199 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UC12831  Purshia tridentata var. tridentata J. Burtt Davy Jun 25 1897-Jun 30 1897 3240 Placer from Truckee to Lake Tahoe; Truckee River Basin Comment
  UC480727  Purshia tridentata var. tridentata W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak; Lake Tahoe Region Comment
  SBBG59894  Pyrola picta M. N. Ackley -Jun-1925 319 Placer Baxter 1127 Comment
  UCD117818  Pyrola picta G. F. Hrusa; J. Glazner 2000-9-3 15675 A Placer Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  RSA0083319  Pyrola picta J. B. Feudge 1927-7-18 1726 Placer West of Emigrant Gap. 1524 Comment
  SACT002682  Quercus Josephine Van Ess 1978-9-8 Placer Collected on horsetrail north from boat launhcing area. Only a short way along the trail going up over small ridge. Among other oaks on south-facing hill. 176.8 Comment
  UCD82847  Quercus Rodney Gale Myatt 1972-6-1 s.n. Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  CAS-BOT-BC104262  Quercus X morehus R. R. Miller 1959-5-1 s.n. Placer N side of highway, just off shoulder, ca. 1/4 mile E of the Monte Vista cutoff on US Highway 40, ca. 6 miles E of Auburn Comment
  SACT002610  Quercus chrysolepis Josephine Van Ess 1977-11-4 Placer Below Gautier Bridge 365.8 Comment
  SACT002623  Quercus chrysolepis J. Severaid 1959-8-14 Placer Old Foresthill Road Comment
  UCD45600  Quercus chrysolepis Beth Lowe Corbin 1982-8-11 318 Placer 1 2/3 miles SW of Onion Creek campground. Elevation 6250 ft. 1905 Comment
  CAS-BOT-BC86612  Quercus douglasii Alice Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  UCD45973  Quercus durata Carl Chapman 1978-5-13 25 Placer 4 rd mi. E. of French Meadow Road and Forest Hill Road. 914 Comment
  SACT002138  Quercus kelloggii Michael Baad 1977-6-2 Placer Descending to North Fork American River from south, 2 km Northeast of Westville and 2 km North of Forest Hill Divide Road 853.0 Comment
  SACT002143  Quercus kelloggii Josephine Van Ess 1976-9-15 Placer collected about 0.5 miles below dam, ravine bank 48.8 Comment
  SFV8725  Quercus kelloggii R. F. Denno 1967-5-6 75 Placer Sierra Nevada 1.5 miles north of Colfax, south of Bear River. 671 Comment
  UC119102  Quercus kelloggii A. Eastwood 1894-9-9 Placer Newcastle Comment
  SEINET10431645  Quercus kelloggii H. Mozingo 1977-3-19 77 -3 Placer Sierra Nevada, 2 miles S of Auburn, near junction of North and Middle Forks of American River; along trail on North Fork, W side of river above bridge. 274 Comment
  SEINET12030462  Quercus kelloggii Unknown 1936-1 s.n. Placer Chicken Hawk Camp Comment
  SEINET12034574  Quercus kelloggii K. S. Erdman 1966-1 3540 Placer along Interstate 80 near Emigrant Gap, Sierra Nevada Mts 1524 Comment
  CAS-BOT-BC62886  Quercus lobata A. Eastwood 1894-9-9 s.n. Placer Newcastle Comment
  SACT002661  Quercus lobata Josephine Van Ess 1977-11-4 Placer Collected downstream from bridge on HIghway 49. Large tree near river. 365.8 Comment
Read comments
Nov 20 2014
  OBI14214  Quercus vacciniifolia Robert F. Hoover 1967-9-5 10822 Placer Carnelian Bay, Lake Tahoe Comment
  SACT002706  Quercus vacciniifolia Michael Baad 1976-7-17 Placer Trail to five lakes, 1 mile west of Alpine Meadows Ski Area. Open brushy slopes of granite. 2072.0 Comment
  SJSU10160  Quercus vacciniifolia A. W. Jacobs 1936-9-6 Placer summit of Eagle Rock above Idlewild on W shore Lake Tahoe 2209 Comment
  UCD47482  Quercus vacciniifolia G. T. Nordstrom 1934-6-18 104 Placer 1/4 mile southeast top of Texas Hill. 1615 Comment
Read comments
Aug 12 2008
  SACT002726  Quercus wislizeni Michael Baad 1977-4-13 Placer 0.2 mile north of highway I80. Ecotone between pine forest and chaparral. 502.92 Comment
  UC119116  Quercus wislizeni A. Eastwood 1894-9-10 Placer Newcastle Comment
  SACT002732  Quercus wislizeni J. Clark 1937-4-18 Placer Comment
  SEINET3246067  Quercus wislizeni var. wislizeni G. K. Helmkamp, E. A. Helmkamp 2007-1 11710 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks. 287 Comment
  CAS-BOT-BC362682  Raillardella argentea L. S. Smith 1925-7-15 1682 Placer Tahoe National Forest. French Mdws. near Talbot Camp 1828 Comment
  SEINET5338933  Ranunculus C. Aarstad, Hugh N. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junct. W/No. fork of middle fork of American River, Mosquito Ridge Rd. to French Meadows 518 Comment
  UC191444  Ranunculus alismifolius var. alismifolius C. F. Sonne 1886-5-2 Placer Mayen Ranch Truckee Comment
  CAS-BOT-BC379395  Ranunculus alismifolius var. hartwegii Alice Eastwood 1912-6-15 s.n. Placer Lake Tahoe Region, Seven Lakes Comment
  SEINET5338276  Ranunculus alismifolius var. hartwegii P. A. Lehenbauer 1926-4-25 1324 Placer Squaw Creek Comment
  CAS-BOT-BC379327  Ranunculus alismifolius var. lemmonii Olga Reifschneider 1955-4-24 s.n. Placer 5 mi north of Truckee, Highway 89 Comment
  JEPS127530  Ranunculus aquatilis var. diffusus Steve Matson 1997-7-6 51 Placer nSNH: Tahoe north shore, Snow Creek watershed; Tahoe Vista/Kings Beach. 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
  RSA795178  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17253 Placer south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  UC1101373  Ranunculus flammula Malcolm A. Nobs and S. Galen Smith 1949-8-21 1511 Placer marsh between Sandy Beach and Agate Bay (n end of Lake); Lake Tahoe Comment
  RSA145542  Ranunculus flammula var. ovalis E. R. Blakley 1960-9-3 3814 Placer Kings Beach, Lake Tahoe. 1904 Comment
  CHSC73190  Ranunculus occidentalis L. P. Janeway 1998-8-6 5983 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  JEPS59414  Ranunculus occidentalis Viola B. Baird 1915-6-27 133 Placer above Bear Rock; Sierra Nevada Mts., Sheep Meadow 2164 Comment
  UCSB22651  Ranunculus occidentalis Orr, K. 1966-4-5 Placer Along Goldrun Rd., 1.2 mile northeast of Interstate 80, Sierra Nevada foothills 1066 Comment
  RSA268502  Ranunculus occidentalis var. ultramontanus L. S. Rose 1940-6-2 404465 Placer Truckee River, 10 miles N of Tahoe City. 1829 Comment
  UCD44722  Ranunculus orthorhynchus var. orthorhynchus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2088 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC72884  Ranunculus uncinatus L. P. Janeway; Eric Schroder 1998-7-13 5755 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
  UC854403  Ranunculus uncinatus Marcus E. Jones, A. M. 1882-6-28 3308 Placer Emigrant Gap Comment
  SEINET11526778  Raphanus raphanistrum Vetter 1955-4-23 8 Placer 0.5 mile W of Loomis. Comment
  UCD115182  Raphanus sativus G. K. Helmkamp; E. A. Helmkamp 2006-2-9 10062 Placer Northern Central Valley, Clark Tunnel Road and CA Highway 193, East of Lincoln. 113 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
  RSA257183  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Placer Squaw Valley 7 miles NW of Tahoe City. 1890 Comment
  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
  RSA1864  Rhamnus rubra subsp. obtusissima Carl B. Wolf 1930-10-11 1732 Placer Baxters Camp, 17 miles above Colfax. 1159 Comment
  RSA7756  Rhamnus rubra subsp. obtusissima Carl B. Wolf 1928-8-22 3433 Placer 1 mile W of Emigrant Gap. 1637 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
  UC870786  Rhamnus tomentella subsp. tomentella Marcus E. Jones, A. M. 1882-7-4 Placer Colfax Comment
  CAS-BOT-BC438105  Ribes Alice Eastwood 1912-6-15 366 Placer Deer Park Comment
  UC178746  Ribes Katharine Brandegee 1914-1 Placer Ellis Meadows North Sierra National Forest Comment
Read comments
Dec 11 2014
  SEINET5845255  Ribes 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 Calif. 194, winding road, plot located on the right past parking area, down path approx. 60 meters 1676 Comment
  CAS-BOT-BC108695  Ribes cereum Margaret Williams 1974-8-8 74 -P1-8 Placer Sierra Nevada. Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  UC11513  Ribes cereum J. Burtt Davy Jun 25 1897-Jun 30 1897 3242 Placer from Truckee to Tahoe; Truckee River Basin Comment
  CAS-BOT-BC173311  Ribes lasianthum Alice Eastwood 1912-6-15 399 Placer Deer Park, Lake Tahoe Region Comment
  UC11585  Ribes lasianthum C. F. Sonne July 1887 Placer Mts. on Truckee River; Sierra Nevada Mountains Comment
  SEINET13942693 Image available Ribes nevadaense A. A. Heller 2017-1 12725 Placer Cisco, elev 6000 ft 1829 Comment
  CAS-BOT-BC219175  Ribes nevadense A. A. Heller 1917-6-17 12725 Placer Cisco 1828 Comment
  SCFS11529120  Ribes nevadense E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UC1127483  Ribes nevadense N. French 1933-9-14 102 Placer Greek Store Tahoe National Forest, Colfax Quadrangle Comment
  UC921833  Ribes nevadense Lewis S. Rose 1940-6-1 40450 Placer 3 mi nw Tahoe City; Truckee River 1889 Comment
  SCFS5086  Ribes nevadense F. Felix, Erica Krimmel 2013-5-19 26 Placer North Fork American River, 0.5 mile downstream on Cedar meadow trail, next to trail Comment
  UC147592  Ribes roezlii Harriet A. Walker 1908-6-24 1296 Placer Blue Canyon 1432 Comment
  RSA0018263  Ribes roezlii Wm. Martin 1971-9-10 20271 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  CAS-BOT-BC186202  Ribes roezlii var. roezlii Alice Eastwood 1906-7-24 951 Placer Camp Agassiz, Glen Alpine Region. Near Fallen Leaf Lake (Tahoe area) Comment
  UCD22337  Ribes viscosissimum Beth Lowe Corbin 1982-8-4 247 Placer 1 mile NE of Onion Creek campground. Along streambed in White Fir forest. In conifer litter over fine, sandy, granitic soil. Shrub about 3' high with glandular foliage. Flowers whitish. Foliage aromatic. Partial sun. South facing slope, 20% incline. Uncommon. 1920 Comment
  POM31766  Rigiopappus leptocladus Marcus E. Jones 1889-7-3 s.n. Placer Dutch...[label difficult to read]. Comment
  CHSC73937  Rorippa curvisiliqua Susi Urie 1998-8-19 98 -079 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS126396  Rorippa curvisiliqua Steve Matson 2002-5-26 521 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; on north side of pond near Highway 28. Comment
  UCD115292  Rorippa curvisiliqua Peter H. Raven 1949-6-28 1227 Placer Summit Valley. 2133 Comment
  CAS-BOT-BC74624  Rorippa curvisiliqua Gladys L. Smith 1977-6-16 4670 Placer Goose Meadow, Route 89, between Tahoe City and Truckee. 1828 Comment
  SD81097  Rorippa nasturtium-aquaticum Darley F. Howe 1971-7-3 Placer Truckee 1830 Comment
  CAS-BOT-BC147020  Rosa woodsii subsp. ultramontana C. F. Sonne 1885-7-17 86 Placer Along Truckee River Comment
  JEPS72264  Rosa woodsii var. ultramontana Gladys L. Smith, Betsy and Norman Wilson 1972-7-6 3285 Placer Squaw Creek Squaw Valley 2438 Comment
  CAS-BOT-BC147963  Rubus parviflorus Julia McDonald 1914-6-1 s.n. Placer Homewood - Lake Tahoe Region Comment
  CAS-BOT-BC147964  Rubus parviflorus A. M. Carpenter 1892-8-1 s.n. Placer Unspecified Comment
  CAS-BOT-BC147966  Rubus parviflorus Robert M. Rhode; Barbara Nemeth 1997-6-26 176 Placer Blackwood Creek Canyon, c. 4 miles south of Tahoe City, near Blackwood Creek Canyon road, about 0.3 mile west of turnoff from Highway 89 - Lake Tahoe 1981 Comment
  SEINET4691695  Rubus parviflorus George K. Helmkamp, E. A. Helmkamp 2010-1 16787 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill road and just south of a creek crossing. 1552 Comment
  UC481486  Rubus parviflorus G. W. Fetters 1929-7-10 Placer near Pomin's; Lake Tahoe, near Pomin's Comment
  CAS-BOT-BC363141  Rudbeckia californica G. P. Rixford 1916-7-1 s.n. Placer Cisco Comment
  CAS-BOT-BC110490  Rumex Saichi Kawahara 1969-5-24 849 Placer Near garden, Mel Henderson Ranch, east bank of Indian Creek. 585 Comment
  CDA36876  Rumex acetosella CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SEINET3860446  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2010-6-26 16404 Placer Sierra Nevada Mountains Foothills: Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way.; 0 591 Comment
  UCR218118  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2010-6-26 16404 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR253127  Rumex acetosella George K. Helmkamp, Amy Barnes 2014-4-23 22807 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
  UCR235410  Rumex crispus George K. Helmkamp, E. A. Helmkamp 2011-11-28 18483 Placer Sacramento Valley, North Brewer Road, 0.2 mile north of Nicolaus Road, 8.7 mi. west of Lincoln 29 Comment
  UCD44001  Rumex paucifolius C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1367 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC74712  Sagittaria cuneata Susi Uri 1998-8-26 98 -112 Placer Lake Tahoe Basin Management Unit - National Forest. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  SCFS11529143  Salix E. Krimmel, F. Felix 2012-9-13 Placer Intersection of Serena Creek and NFAm River. Comment
  CAS-BOT-BC103549  Salix eastwoodiae W. R. Dudley 1900-6-1 5084 Placer Donner Pass Road by Donner Lake Comment
  CAS-BOT-BC103605  Salix eastwoodiae W. R. Dudley 1900-6-14 5056 Placer Road from Donner Lake to Summit Comment
  CHSC74263  Salix eastwoodiae Susi Urie; Eric Schroder 1998-9-11 98 -333 Placer Lake Tahoe Basin--National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UC1134848  Salix eastwoodiae B. Bolt 1934-8-22 187 Placer Head of Picayune Creek Truckee Quad. 2286 Comment
  CHSC9599  Salix geyeriana E. L. Smith 1971-6-17 973 Placer In Martis Valley at the s end, ca. 11 km se of Truckee. 1800 Comment
  UC1134883  Salix geyeriana H. S. Yates 1934-6-29 3917 Placer near Tahoe City Tahoe City; Tahoe Nat'l Forest, Truckee Quadrangle Comment
  UCD44546  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1912 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC108211  Salix hindsiana David D. Keck 1933-6-1 2436 Placer 1 mile south of Loomis on road to Rocklin Comment
  UCD80748  Salix laevigata CNPS SN Foothill Team 2005-4-14 SNFN 0109 Placer Placer Legacy, Didion Ranch, along south fork of Coon Creek, accessed from east end of study area off of Mears Road. Releve situated on north bank of creek approximately 50 meters east of access road. 224 Comment
  SEINET3101776  Salix lasiandra var. abramsii Sutton 1984-5-19 14 Placer Blue Canyon road, 3 miles off Highway 80 along river bank. 1371 Comment
  UCD111643  Salix lasiolepis Michael Persichetty 2007-6-6 2 B Placer Alta. North side of Spaulding Point. 1219 Comment
  UCD80752  Salix lasiolepis CNPS SN Foothill Team 2005-4-13 SNFN 0107 e Placer Placer Legacy, Didion Ranch, east of Spear's Ranch, on the north bank of Coon Creek, approximately 500 meters west of the east boundary of the study area. 143 Comment
  CAS-BOT-BC128471  Salix lasiolepis var. lasiolepis Geo. B. Grant 1906-8-1 s.n. Placer Glen Alpine, Lake Tahoe Comment
  CAS-BOT-BC128473  Salix lasiolepis var. lasiolepis W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat Comment
  CAS-BOT-BC128474  Salix lasiolepis var. lasiolepis Alice Eastwood 1922-4-6 11125 Placer Colfax Comment
  CAS-BOT-BC124760  Salix lemmonii A. A. Heller 1917-6-17 12721 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124769  Salix lemmonii W. R. Dudley 1900-6-12 5009 Placer east side of Donner Lake Comment
  CAS-BOT-BC124775  Salix lemmonii W. R. Dudley 1900-6-14 5065 a Placer Between Donner Lake and Summit on loop grade Comment
  CAS-BOT-BC124780  Salix lemmonii W. R. Dudley 1900-6-12 51010 Placer Meadow east side of Donner Lake Comment
  CHSC74266  Salix lemmonii Susi Urie 1998-9-3 98 -229 Placer Lake Tahoe Basin--National Forest. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  RSA43814  Salix lemmonii D. F. Howe 1948-5-22 s.n. Placer [Unspecified] 1707 Comment
  SDSU9455  Salix lemmonii D. F. Howe 1948-5-22 1824 Placer 1707 Comment
  SEINET10412519  Salix lemmonii T. C. Frantz 1951-4-22 s.n. Placer 5 miles E of Truckee. 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
  CAS-BOT-BC129076  Salix scouleriana W. R. Dudley 1909-8-23 s.n. Placer Lake Tahoe Comment
  CAS-BOT-BC129077  Salix scouleriana W. R. Dudley 1900-6-14 5074 Placer Road overlooking Donner Lake Comment
  CAS-BOT-BC129078  Salix scouleriana W. R. Dudley 1900-6-20 5282 Placer Woods west of Independence Lake Comment
  CAS-BOT-BC129082  Salix scouleriana W. R. Dudley 1900-6-1 5532 Placer Above McKinney's near Maddens Cr. Comment
  CHSC9580  Salix scouleriana E. L. Smith 1971-4-29 954 Placer At Whitmore Maintenance Station ca. 3 mi ne of Baxter. 1371 Comment
  UC1135077  Salix scouleriana B. Bolt 1934-8-15 181 Placer 3/4 mi. w. Goggins; El Dorado Nat'l Forest, Colfax Quad. Comment
  JEPS72388  Sambucus racemosa var. microbotrys Gladys L. Smith 1972-6-20 3273 Placer along road just above Ward Summit Chairlift 2164 Comment
  UC889730  Sambucus racemosa var. microbotrys A. A. Heller 1916-8-13 12903 Placer Summit Hotel 2133 Comment
  CAS-BOT-BC235195  Sambucus racemosa var. racemosa A. A. Heller 1916-8-13 12903 Placer Summit hotel 2133 Comment
  CDA15934  Sanguisorba annua G. F. Hrusa, J. Glazner 1999-7-17 15160 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCR190585  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2007-9-14 12959 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR231868  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17017 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
  JEPS127549  Sanguisorba officinalis Steve Matson 2000-7-6 467 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, along east Martis Creek. Comment
  CAS-BOT-BC223280  Sanicula bipinnatifida Alice Eastwood 1912-6-28 497 Placer Colfax 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
  SDSU2334  Sanicula bipinnatifida var. flava unknown 1951-5-1 2103 Placer 457 Comment
  UCD15165  Sanicula crassicaulis Phyllis Adams 1982-4-20 6 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 457 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
  UCSB32300  Sanicula graveolens Bingham, R. F. (Mrs.) 1882-1 Placer Auburn 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
  UC1562644  Sanicula tuberosa Barbara Ertter with David Thompson 1989-4-9 8177 Placer 5 air mi nw of Foresthill (Shirttail Canyon Road 2.4 mi from Dipper Road); Shirttail Canyon Road 609 Comment
  UCR240919  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19246 Placer Northern Sierra Nevada Mountains, Robinson's Flat, 27 miles east of Forest Hill at the end of Forest Hill Road 2040 Comment
  UCR242365  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2010-7-28 16669 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  UC1598738  Sanicula tuberosa Mrs. M. M. Hardy 1893-1 Placer in Placer County Placer County Comment
  SEINET12220592  Saxifraga bryophora C. F. Sonne 1884-1 s.n. Placer above Coldstraw Comment
  CDA16798  Saxifraga odontoloma G. F. Hrusa, J. Glazner 2001-7-15 15937 Placer Sierra Nevada; N face of Crows Nest Pk. immed. W of Sugarbowl. 2316 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
  SEINET10329618  Schoenoplectus acutus R. D. Olson 1949-5-14 17 Placer Highway 40, Roseville City limit, west side 61 Comment
  CAS-BOT-BC35625  Scirpus congdonii Saichi Kawahara 1969-5-25 1006 Placer Mel Henderson Ranch, Indian Creek 975 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
  CDA25016  Scirpus microcarpus J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD75772  Scirpus microcarpus Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5245 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
  CDA36907  Scleranthus annuus CDFA Staff 1998-4-22 s.n. Placer Dry Creek. 0 Comment
  UCD92488  Scribneria bolanderi Beecher Crampton 1954-5-14 1901 Placer 2 miles northwest of Roseville, Diamond K Ranch. Comment
  UCD92500  Scribneria bolanderi Beecher Crampton 1957-5-7 3987 Placer 2 miles north of Lincoln. Comment
  UC767432  Scrophularia californica R. F. Hoover 1939-5-10 4088 Placer 2 mi e Lincoln Comment
  JEPS127467  Scutellaria californica Steve Matson 2003-7-6 833 Placer nSNH; about 6 miles SW of Truckee; Squaw Valley; Shirley Canyon trail to the PCT. Comment
  SCFS5070  Scutellaria californica E. Krimmel 2014-6-26 Placer Shade Comment
  UCD22073  Scutellaria californica Rex Palmer 1979-7-25 N 677 Placer Headwaters basin area of the North Fork of the American River Comment
  UC66071  Scutellaria californica P. B. Kennedy and S. B. Doten 1901-8-7 253 Placer Summit of Soda Springs Comment
Read comments
Mar 18 2006
  CAS-BOT-BC417846  Sedella pumila Alice Eastwood; John Thomas Howell 1937-5-8 4337 Placer near Auburn on road to Grass Valley Comment
  UCD40932  Sedella pumila Sook Hong 1989-5-20 14 Placer Placer Redwood Grove. 548 Comment
  UCD128389  Sedum lanceolatum Albert Grigarick 2012-7-9 334 Placer Pacific Crest Trail. S of Donner Summit (Hwy 40). Approx. 400 yd S of trailhead. 2283 Comment
  SCFS11529125  Sedum obtusatum E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing on wet rocks next to stream. Comment
  UCD135983  Selaginella hansenii A. S. Crafts 1940-12-10 s.n. Placer Near Auburn. Comment
  CAS-BOT-BC62096  Selaginella hansenii Viola N. Poole 1932-5-1 s.n. Placer Shirttail Canyon, across old bridge on the American River, a few miles from Auburn 762 Comment
  RSA0013335  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer 1 mile west of Baxter Comment
  UC2042507  Senecio integerrimus var. exaltatus Holly Forbes, Barbara Keller, and T. Tomashek 2012-6-12 Placer Blackwood Canyon Rd., 0.2 mi. W of junction with Highway 89. Comment
  UC36178  Senecio integerrimus var. exaltatus J. Burtt Davy Jun 25 1897-Jun 30 1897 3249 Placer near Truckee River (on road to Tahoe); Truckee River Basin Comment
  JEPS28864  Senecio integerrimus var. exaltatus J. R. Sweeney 1962-6-22 2646 Placer 2 mi e Tahoe City (n shore of Lake Tahoe); Lake Tahoe Comment
  CAS-BOT-BC364029  Senecio integerrimus var. major John H. Thomas; Hazelle A. Thomas 1956-7-21 6107 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC364030  Senecio integerrimus var. major A. A. Heller 1917-6-17 12691 Placer Near the Yuba River below Cisco 1676 Comment
  UC492748  Senecio integerrimus var. major G. W. Fetters 1929-6-15 Placer Pomin's Lake Tahoe Comment
  UCD170423  Senecio integerrimus var. major G. W. Forister 2017-6-15 s.n. Placer Onion Valley; 7 miles south of I-80 on Texas Hill Road. 1465 Comment
  UC91655  Senecio serra var. serra C. F. Sonne 1892-8-21 Placer along river (Tahoe Road); Siera Nevada Comment
  UC147620  Senecio triangularis Harriet A. Walker 1908-6-24 1287 Placer Blue Canyon 1432 Comment
  UC71916  Senecio triangularis C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  UCR231843  Senecio triangularis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16795 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  RSA569214  Senecio triangularis B. C. Templeton 1931-7-5 1511 Placer near Meek's Bay. 2280 Comment
  UCR171030  Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2006-2-24 10070 Placer Northern Sacramento Valley, Wise Road just east of its junction with Calif. Highway 65; c. 1 mi SE of Ewing 47 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
  SEINET3154401  Sequoiadendron giganteum W. A. Dick, Gaby 1967-11-15 sn Placer on West slope of Sierra Nevada from Placer to Tulare 2438 Comment
  CAS-BOT-BC364759  Sericocarpus oregonensis subsp. californicus Ira L. Wiggins 1933-8-21 6789 Placer Shores of Lake Tahoe, near Tahoma Comment
  CDA31822  Sesbania punicea C. Owens 2010-6-3 s.n. Placer 10 meters from Dick Cook Road on upstream terrace in Miner s Ravine Creek, adjacent to the intersection at Auburn Folsom Road. 0 Comment
  CAS-BOT-BC243535  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Southeast corner Newcastle Road and Brenner Road, Newcastle Comment
  CDA2407  Setaria faberi William J. Ferlatte, K. Stark 1974-11-12 Placer 0.5 mile east of Sisley Road on Taylor Road, Penryn; frequent between Loomis and Penryn. 0 Comment
  UCD92678  Setaria faberi G. Douglas Barbe 1974-11-26 1984 Placer southeast corner of Newcastle Road and Brenner Road. Newcastle. Comment
  UCR141667  Setaria pumila Beecher Crampton 1965-9-13 7494 Placer Sierra Nevada Mtns., Gold Run, Interstate Hwy 80 976 Comment
  UCD55219  Setaria viridis A. M. Shapiro 2006-8-1 s.n. Placer Colfax; waste ground near railroad tracks. Comment
  CDA2445  Setaria viridis var. major G. D. Barbe 1974-11-26 1985 Placer Barton Road at Eureka Road, northwest corner, east of Roseville. 0 Comment
  CHSC79772  Sidalcea glaucescens G. F. Hrusa; J. Glazner 1999-7-18 15189 Placer Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434 N, 07418 E. 1905 Comment
  JEPS59420  Sidalcea glaucescens Ezra Brainerd and Viola B. Baird 1915-7-25 140 Placer above Deer Park Inn (Garden of the Gods); Sierra Nevada Mts., Garden of the Gods 2072 Comment
  JEPS67207  Sidalcea glaucescens C. F. Sonne 1888-7-29 42 Placer road near Lake Tahoe; Sierra Nevada Mountains, nr Lake Tahoe Comment
  UC112806  Sidalcea glaucescens Katharine Brandegee 1908-7-15 Placer Donner, Summit Station Donner; , Summit Station Comment
  UC149004  Sidalcea glaucescens H. M. Hall 1910-7-1 8732 Placer Cisco Sierra Nevada Mountains, Cisco 1828 Comment
  UCD116665  Sidalcea glaucescens Ted C. MacRae 1995-7-30 62 b Placer Tahoe National Forest, 9 miles south of Serene Lakes on Soda Springs Road. Comment
  UCD21588  Sidalcea glaucescens E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1251 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, ascending ridge. 2200 Comment
  UCR171347  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2005-10-1 9984 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
  SBBG29904  Sidalcea hartwegii C. L. Hitchcock 1940-5-15 6404 Placer 6 mi N of Colfax Comment
  UC871427  Sidalcea malviflora subsp. asprella A. A. Heller 1917-6-19 12744 Placer 8 mi e Colfax; e of Colfax Comment
  UCR241354  Sidalcea malviflora subsp. asprella George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19821 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.7 mile north of Robinson Flat Campground, about 26 miles northeast of Foresthill, Tahoe National Forest 2034 Comment
  UCD44721  Sidalcea oregana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2087 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  POM179006  Sidalcea oregana subsp. spicata Marcus E. Jones 1930-7-10 25355 Placer Lake Tahoe. Comment
  UCD116847  Sidalcea oregana subsp. spicata G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12639 Placer Northern Sierra Nevada Mountains, 0.1 mile south of the Rainbow exit from Interstate 80, 0.5 miles east of Rainbow. 1790 Comment
  JEPS59422  Sidalcea oregana subsp. spicata Ezra Brainerd and Viola B. Baird 1915-7-22 142 Placer along R.R. (Bear Rock Camp); Sierra Nevada Mts., Bear Rock Camp 1889 Comment
  JEPS67265  Sidalcea oregana subsp. spicata C. F. Sonne 1886-7-11 342 Placer road to Hotsprings Sierra Nevada, road to Hotsprings (Tahoe) Comment
  SEINET6165298  Sidalcea pedata Unknown 1982-1 Placer Comment
  SBBG71658  Silene M. N. Ackley -Jun-1925 75 Placer Blue Cyn 1430 Comment
  SCFS1230  Silene E. Krimmel 2014-6-26 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Comment
  RSA305931  Silene californica Fay A. MacFadden 1934-3-31 12424 Placer Hillsides near Colfax. Comment
  UCR173250  Silene californica George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10457 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  UCR231854  Silene californica George K. Helmkamp, E. A. Helmkamp 2010-8-11 16765 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 3.7 miles north of Forest Hill Road 1140 Comment
  UCR250344  Silene californica George K. Helmkamp, Mary Alice Barnes 2013-4-18 20365 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  UC8506  Silene californica H. N. Bolander 1865-4-10 4515 Placer Bed of American River Comment
  CAS-BOT-BC249052  Silene douglasii George K. Helmkamp; E. A. Helmkamp 2010-8-14 16772 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
  JEPS111182  Silene douglasii Steve Matson 2005-6-19 1305 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2957 N, 120.1382; Elevation 5850 ft. 1783 Comment
  UCD150313  Silene douglasii var. douglasii James A. Neilson Jr. 1970-1 1678 Placer Tahoe Basin, Ward Creek, Plot E232, Sp. III. 2023 Comment
  UCD150316  Silene invisa James A. Neilson Jr. 1970-7-22 1626 Placer Tahoe Basin, Lower Ward Creek, Section 15. 2011 Comment
  UCR240908  Silene invisa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19230 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  CAS-BOT-BC388987  Silene laciniata subsp. californica Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4016 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  UCD15170  Silene laciniata subsp. californica Phyllis Adams 1982-5-15 48 Placer California, Placer Co.; in the American River Canyon; 198 Comment
  CAS-BOT-BC388988  Silene laciniata subsp. californica Saichi Kawahara 1969-7-6 1456 Placer Mel Henderson Ranch 987 Comment
  UCR47349  Silene occidentalis subsp. occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco. 1800 Comment
  JEPS126414  Sisymbrium altissimum Steve Matson 2002-7-7 557 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; on west side of pond near Highway 28. Comment
  CHSC74319  Sisyrinchium bellum Susi Urie 1998-9-2 98 -210 Placer Below Hwy 28,between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  SACT002103  Sitanion hystrix Michael Baad 1976-6-16 Placer Collected on trail between first and second stream crossing. Comment
  SACT002210  Sitanion hystrix Michael Baad 1976-7-14 Placer 7 miles east of Baker Ranch on Forest Hill Divide Road. 1402.08 Comment
  SACT002223  Sitanion hystrix D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT002231  Sitanion hystrix D. Meyer 1984-7-8 Placer Roadside 1758.0 Comment
  SACT002238  Sitanion hystrix Michael Baad 1976-8-12 Placer Southwest of Emigrant Peak along Shirley Lake Ski Lift. 2316.0 Comment
  UCR146669  Sitanion hystrix Beecher Crampton 1961-9-27 6014 Placer Sierra Nevada Mountains, 1 mile west of Cisco Grove [near county line], along U.S. Highway 40, Yuba River 1707 Comment
  SACT002252  Sitanion jubatum D. Meyer 1984-6-23 Placer 3 km from I80 Frontage Road. 978.0 Comment
  RSA569206  Smilacina stellata var. sessilifolia Bonnie C. Templeton 1931-7-4 1502 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  UC1364265  Solanum dimidiatum T. C. Fuller 17406 Placer Roseville, 221 Elm Street Roseville; , 221 Elm Street Comment
  CDA5939  Solanum dimidiatum K. L. Milam 1968-7-15 Placer Sierra Nevada; 221 Elm Street, Roseville. Comment
  CDA5940  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer 221 Elm Street, Roseville. 0 Comment
  UC570690  Solanum umbelliferum Herbert L. Mason 1926-5-28 3269 Placer 5 mi above Auburn Comment
  UC579834  Solanum umbelliferum Annetta Carter 1937-4-25 1250 Placer about 6 mi se of Loomis (on the road from Folsom to Auburn) Comment
  NY820416  Solanum xanti M. J. Williams 1985-7-6 85- 63 --4 Placer Pacific Crest Trail between old and new Donner Summits Comment
  SEINET6186061  Solanum xanti L. R. Miller 1934-6-10 s.n. Placer Tahoe City, along highway Comment
  SCFS1160  Solidago E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Cedar's Meadow. Comment
  UCR190588  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2007-9-14 12964 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 15 miles east of Foresthill 832 Comment
  UCR229456  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17896 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
  UCD44632  Solidago elongata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1998 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD33747  Solidago velutina subsp. californica Beecher Crampton 1972-7-26 8860 Placer old Cisco Grove site. 1676 Comment
  CDA19497  Soliva sessilis M. I. Wibawa 2002-5-27 271 Placer Sacramento Valley; Next to parking lot to American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  CAS-BOT-BC157301  Sorbus californica Gordon H. True; James Roof 1975-10-16 7971 Placer Cisco Grove, north side of South Yuba River 1828 Comment
  CAS-BOT-BC157303  Sorbus californica T. S. Brandegee s.n. Placer Summit Comment
  SACT002282  Sorghum halepense D. Meyer 1984-5-28 Placer Next to orchard 206.0 Comment
  UCR206358  Spergula arvensis subsp. arvensis George K. Helmkamp, E. A. Helmkamp 2009-3-11 14385 Placer Sacramento Valley, Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  CAS-BOT-BC390059  Spergularia W. A. Gosline; A. R. Gosline 1943-6-26 s.n. Placer Norden Comment
  JEPS102552  Spergularia rubra Lowell Ahart 2001-10-10 9363 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  UCD22171  Spergularia rubra Beth Lowe Corbin 1982-8-17 364 Placer 1 2/3 miles SW of The Cedars. NW facing slope, 10% incline. Partial sun. Occasional. In sandy, disturbed soil on logging skid trail in white fir forest near creek. Flowers pale purplish. 1813 Comment
  UCD128093  Sphenosciadium capitellatum Rex Palmer 1983-11-10 N 895 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC152533  Spiraea splendens F. Almeda 1993-7-24 7258 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley - Sierra Nevada 2133 Comment
  CHSC74329  Spiranthes romanzoffiana Susi Urie 1998-8-29 98 -167 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD93133  Sporobolus cryptandrus Beecher Crampton 1975-10-14 9330 Placer Emigrant Gap area on Interstate Hwy. 80. Comment
  UCD44018  Stellaria littoralis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1384 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD22172  Stellaria longipes subsp. longipes Rex Palmer 1979-7-9 N 452 Placer Headwaters basin area of the North Fork of the American 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
  UCR208281  Stellaria media George K. Helmkamp, E. A. Helmkamp 2009-5-7 14635 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UC1563938  Stellaria nitens Barbara Ertter with David Thompson 1989-4-8 8175 Placer near Auburn State Recreation Area entrance (Iowa Creek Road, ca 2 mi from I-80, at creek crossing) 518 Comment
  CAS-BOT-BC398277  Stellaria umbellata John Thomas Howell 1943-7-22 18701 Placer Summit Valley Comment
  JEPS71598  Stenotus acaulis Gladys L. Smith 1972-6-20 3218 Placer Ward Peak in gravel on open plateau about terminus of Summit Chairlift 2621 Comment
  RSA531313  Stenotus acaulis Walter Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4542 Placer Squaw Valley beyond upper cable car stn. on top of rocky ridge. Comment
  UC36545  Stenotus acaulis C. F. Sonne 1886-7-18 Placer Rock Peak, Truckee River 2590 Comment
  SACT002320  Stipa californica D. Meyer 1984-9-23 Placer DRy rocky summit of north facing slope. 2315.0 Comment
  SACT002340  Stipa columbiana Michael Baad 1976-8-7 Placer 2072.0 Comment
  SACT002355  Stipa lemmonii D. Meyer 1984-7-8 Placer Near bridge, very moist streambank. 1290.0 Comment
  UCR242328  Stipa occidentalis George K. Helmkamp, E. A. Helmkamp 2010-7-28 16663 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  SEINET10610763  Stipa occidentalis Lewis S. Rose 1946-6-23 Rose 46193 Placer Rainbow, n. of Cisco 1737 Comment
  CAS-BOT-BC87413  Streptanthus polygaloides Saichi Kawahara 1969-7-6 1474 Placer On Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest. 1139 Comment
  UC1601616  Streptanthus polygaloides C. L. Hitchcock 1940-5-15 6401 Placer hillside 6 mi n Colfax Comment
  CAS-BOT-BC87412  Streptanthus polygaloides L. S. Smith 1930-7-7 2513 Placer Tahoe Forest. Forbes Camp. 1219 Comment
  CHSC101512  Streptanthus tortuosus G. F. Hrusa 1995-5-20 12168 Placer Approximately 4 km beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. 650 Comment
  UCD164328  Streptanthus tortuosus N. Ivalu Cacho; Sharon Y. Strauss, Patrick J. McIntyre 2011-6-25 IC-SS 235 - Placer Casa Loma Rd (Alta Exit): on serpentine outcrop along railroad tracks. 1164 Comment
  UC1126980  Streptanthus tortuosus var. orbiculatus N. French 1934-6-22 467 Placer Serena Lake Tahoe National Forest, Truckee Quadrangle Comment
  UC903246  Styrax officinalis var. redivivus Ethel Crum 1938-5-15 2043 Placer 2 mi ne Auburn (canyon of Middle Fork American River); Sierra Nevada foothills, canyon of Middle Fork American Rive 304 Comment
  UCD40903  Styrax officinalis var. redivivus Cathleen Chapton 1983-5-28 31 Placer Lake Clementine Road, American River Canyon. 243 Comment
  UCD119095  Styrax redivivus Julie Combs 1994-5-14 19 Placer 1/2 m E of Robie St. just off hiking trail. 274 Comment
  UCD119121  Styrax redivivus G. H. Vansell 1930-5-7 2213 Placer Auburn. Comment
  UCD15153  Styrax redivivus Phyllis Adams 1982-5-9 40 Placer California, Placer Co.; in the American River Canyon along Highway 49; 243 Comment
  UCD67979  Styrax redivivus Linda A. Bell 1975-5-24 173 Placer Highway 49, 2 miles South-East of Auburn. 457 Comment
  JEPS21741  Symphoricarpos mollis Marcus E. Jones, A. M. 1882-6-27 3292 Placer Emigrant Gap 1584 Comment
  UCD74066  Symphoricarpos mollis Jennifer W. Burt 2005-7-17 75 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 2020 Comment
  UC147557  Symphoricarpos mollis var. acutus Harriet A. Walker 1908-6-23 1236 Placer Blue Canyon 1432 Comment
  CDA12387  Symphoricarpos rotundifolius var. rotundifolius G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8515 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  CAS-BOT-BC97556  Symphyotrichum ascendens E. R. Blakley 1960-9-3 3813 Placer [King's] Kings Beach, Lake Tahoe 1905 Comment
  CHSC74193  Symphyotrichum ascendens Susi Urie 1998-9-2 98 -199 Placer Below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  JEPS126303  Symphyotrichum bracteolatum Steve Matson 1998-8-15 375 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; West Fork Snow Creek about 200 yards NW of pond. Comment
  CAS-BOT-BC98476  Symphyotrichum spathulatum W. R. Dudley 1909-8-23 s.n. Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC98478  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit Valley 2118 Comment
  UC201327  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit valley 2118 Comment
  UCD136628  Symphyotrichum spathulatum Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer On western shore of Lake Tahoe. 1889 Comment
  UCD136650  Symphyotrichum spathulatum G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12643 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  UC128139  Symphyotrichum spathulatum Miss Harriet A. Walker 1908-7-27 1464 Placer Cisco Yuba River Comment
  CHSC74200  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-9-3 98 -233 Placer Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  UCD43046  Symphyotrichum spathulatum var. spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 415 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44631  Symphyotrichum spathulatum var. spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1997 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC221924  Taeniatherum caput-medusae John Thomas Howell; Gordon H. True 1971-5-26 47617 Placer Northern limits of Lincoln 48 Comment
  JEPS126352  Taraxacum officinale Steve Matson 1998-5-17 197 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards north of airport creek, 200 yards south of Martis Dam Road. Comment
  CAS-BOT-BC447428  Tellima grandiflora Marcus E. A M Jones 1982-7-1 2710 Placer Emigrant Gap Comment
  UC20477  Tetrapteron graciliflorum H. N. Bolander 1865-4-13 4564 Placer Newcastle Comment
  CAS-BOT-BC392400  Thalictrum fendleri Alice Eastwood 1909-1-1 58 Placer Lake Tahoe Region. Sunnyside Comment
  SEINET8702543  Thalictrum fendleri P. B. Kennedy, S. B. Doten 1901-8-19 422 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  UCD42950  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 319 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43938  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1304 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD93355  Thinopyrum intermedium K. Connelly 1999-8-2 PDR- 122370 7-A Placer Truckee. Along side of Rd. 8, off of Hwy. 89. Comment
  HSC27260  Thysanocarpus curvipes J. P. Smith 1972-3-22 5092 Placer Bridge over N Fork of American River. Comment
  SD44634  Thysanocarpus radians Darley F. Howe 1951-5-1 Placer 455 Comment
  UC1083159  Thysanocarpus radians Dorothy Tebbe 1930-4-5 92 Placer near Roseville; near Roseville Comment
  CAS-BOT-BC67321  Thysanocarpus radians A. A. Heller 1940-4-8 15534 Placer One mile north of Sheridan. Comment
  UCR218125  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16398 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  JEPS888  Torilis nodosa W. H. Shockley June 1886 Placer Auburn Comment
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Oct 3 2006
  NY17673  Torreya californica F. A. MacFadden 1934-8-20 s.n. 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
  RSA129465  Torreya californica N. H. French 1933-5-19 60 Placer Near Iowa Hill 915 Comment
  UCD134689  Torreya californica Lowell Ahart 1972-4-1 81 Placer On the north side of Mosquito Ridge Road, about 8 miles east of Forest Hill. 1219 Comment
  UCD93190  Torreyochloa pallida var. pauciflora A. A. Heller 1917-8-13 12881 Placer Placer County. 2118 Comment
  SCFS11529150  Toxicoscordion venenosum E. Krimmel 2014-6-26 Placer In seep beside road at Cedars driveway Comment
  CDA15971  Tragopogon pratensis G. F. Hrusa, J. Glazner 1999-7-17 15122 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC26040  Trichostema lanceolatum G. P. Rixford Aug 1896 Placer Comment
  SEINET5735071 Image available Trichostema oblongum J. M. Tucker 1975-1 4352 Placer Ca. 100 yards west of the road in to "The Cedars", private holding on the upper North Fork of the American River, ca. 6 miles (airline) south of Soda Springs (Nevada County).; Soda Springs 1798 Comment
  UCR193331  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2007-5-30 12189 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River 800 Comment
  UCR208580  Trifolium campestre George 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 402 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
  UC146435  Trifolium cyathiferum Miss Harriet A. Walker 1908-7-25 1407 Placer Cisco 1810 Comment
  SEINET12157176  Trifolium cyathiferum C. F. Sonne 1884-1 s.n. Placer Goldstream Comment
  RSA653964  Trifolium depauperatum Beecher Crampton 1966-4-14 7644 Placer North of Lincoln, Gladding Clay Pit Road and US Hwy 99. Comment
  JEPS113120  Trifolium dubium Lowell Ahart, Brian Williams 2007-4-13 13667 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  RSA0042823  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  SEINET3245951  Trifolium dubium G. K. Helmkamp, E. A. Helmkamp 2010-1 15928 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5') 157 Comment
  UCR173252  Trifolium dubium George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10453 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  CHSC96481  Trifolium glomeratum Lowell Ahart; Brian Williams 2007-4-13 13645 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  RSA31983  Trifolium gracilentum A. A. Heller 1940-4-20 15537 Placer Whitney Station south of Lincoln along US Hwy 99. Comment
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Mar 28 2011
  SD237452  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15933 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  SEINET3245949  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2010-1 15933 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5') 157 Comment
  UCD111203  Trifolium hirtum K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, about 10 miles east of Auburn. 500 Comment
  UCD111214  Trifolium hirtum Michael A. Vincent 1999-6-12 8634 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. Comment
  UCR173265  Trifolium hirtum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10428 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR208549  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14677 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
  UCR257075  Trifolium hirtum George K. Helmkamp, Amy Barnes 2014-4-23 22776 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
  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
  NY802658  Trifolium kingii var. productum H. A. Walker 1910-6-26 1310 Placer Cisco 1811 Comment
  UCD22007  Trifolium longipes Rex Palmer 1979-6-9 N 179 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD109207  Trifolium monanthum R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  UC148970  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-3 8737 Placer New Emigrant Gap Sierra Nevada Mtns 1645 Comment
  CHSC74093  Trifolium repens Susi Urie 1998-8-25 98 -094 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD147090  Trifolium striatum Chuck Hughes 2013-5-6 374 Placer Southwest margin of Camp Far West Reservoir. 96 Comment
  SEINET7375933  Trifolium truncatum R. L. Smith 1942-4-3 23 Placer 3 mi. east of Roseville 122 Comment
  POM27839  Trifolium variegatum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UCD44659  Trifolium variegatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2025 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS4358  Trifolium willdenovii W. H. Shockley Jun 1886 Placer Auburn Comment
  POM182474  Trifolium wormskioldii Katherine Brandegee 1911-07 s.n. Placer Tahoe Tavern. Comment
  SEINET8502208  Trillium chloropetalum B. M. Cunningham 1960-4-14 s.n. Placer At the Monte Viste Inn on Hwy 40 detour. 1219 Comment
  RSA0039280  Triphysaria eriantha George K. Helmkamp, Amy Barnes 2013-3-28 20285 Placer along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  SD247512  Triphysaria eriantha George K. Helmkamp, Amy Barnes 2013-3-28 20285 Placer Easterm Sacramento Valley: along 10th Street/Ranch House Road, 0.6 mile south of its junction with Riosa Road in Sheridan (Lincoln 7.5'Q) 42 Comment
  SFV10457  Triphysaria eriantha M. L. Vincent 1965-4-11 604 Placer 1 mile north of Marysville on Highway 99E. Roadside. 20 Comment
  JEPS113113  Triphysaria eriantha subsp. eriantha Lowell Ahart, Brian Williams 2007-4-13 13654 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  SD241199  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2011-4-10 17158 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan (Lincoln 7.5'Q) 41 Comment
  UCR234219  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2011-4-10 17158 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  UCD93509  Trisetum canescens Beecher Crampton 1958-6-24 4966 Placer 3 miles west of Baxter. Earl Morton Ranch. 1066 Comment
  UC1133279  Trisetum projectum B. Bolt 1934-7-10 Placer 1 mi nw mouth of Little Granite; Colfax Quadrangle Comment
  UCD32805  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
  SACT002444  Trisetum spicatum James Grove 1977-7-15 Placer 2000.0 Comment
  SACT002451  Trisetum spicatum Michael Baad 1976-8-19 Placer 2 air miles northwest of Squaw Valley Comment
  SACT002446  Trisetum spicatum var. projectum Michael Baad 1976-7-17 Placer 0.5 mile east of Five Lakes. 1.5 miles west of Alpine Meadows Ski Area, open slopes of eroded granite. 2072.0 Comment
  UCR120495  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5073 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  UCR231885  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2011-4-10 17150 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  CAS-BOT-BC522020  Triteleia hyacinthina Marcus E. Jones 1882-6-30 3513 Placer Emigrant Gap Comment
  UCD14650  Triteleia ixioides Deanna Lynn Pfleger 1989-5-20 1 Placer 20 miles out of the town of Auburn, along Foresthill Road; 1036 Comment
  UCR232218  Triteleia ixioides subsp. scabra George K. Helmkamp, E. A. Helmkamp 2011-5-6 17219 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