Search Results — 2000 specimen records retrieved (1606 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78089  Abies magnifica Carl B. Wolf 1930-10-10 1726 Placer Coldstream Canyon, 5 miles from Truckee 1981 Comment
  RSA1848  Abies magnifica C. B. Wolf 1930-10-10 1726 Placer Coldstream Canyon, 5 miles from Truckee. 1982 Comment
  SCFS11529149  Acer glabrum E. Krimmel 2014-6-26 Placer Road cut Comment
  SEINET11261906  Acer macrophyllum George Helmkamp, E. A. Helmkamp 2012-5-11 18953 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles N of its junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1041 Comment
  UCD15171  Acer macrophyllum Phyllis Adams 1982-5-15 49 Placer California, Placer Co.; in the American River Canyon; Comment
  CAS-BOT-BC28723  Achillea millefolium Elizabeth Parsons Hawyer 1911-8-1 s.n. Placer Sunnyside, Lake Tahoe Comment
  CDA39012  Achillea millefolium Larry Klaasen, D. G. Kelch 2011-10-3 s.n. Placer Tahoe City. Granlibakken Resort. Comment
  CHSC10685  Achillea millefolium Lowell Ahart 1972-8-7 Placer French Meadows. 1524 Comment
  JEPS126315  Achillea millefolium Steve Matson 1997-7-1 9 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  UCD33484  Achillea millefolium Beecher Crampton 1968-10-5 8387 Placer 10 miles S.E. of Truckee on State Hwy. 127. 1828 Comment
  UCR250165  Achillea millefolium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20481 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  CAS-BOT-BC210684  Achnatherum lemmonii A. A. Beetle 1941-5-26 2716 Placer Near Cisco 914 Comment
  SEINET255889 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
  UCD43120  Achnatherum occidentale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 488 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD51018  Achnatherum occidentale G. L. Stebbins Jr. Date Unknown 3172 Placer along U.S. Highway no. 40. 1 mile west of Cisco Grove. 1706 Comment
  RSA657082  Achnatherum occidentale subsp. californicum Lynn R. Firestone, Harold Firestone 1983-8-6 8317 Placer Along Hwy 20 about 2 mi west of I-80 interchange to Nevada City 1585 Comment
  POM115573  Achnatherum occidentale subsp. occidentale Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC218038  Achnatherum stillmanii Catherine Best 1979-7-7 s.n. Placer Ca. 15 miles E of Foresthill, Big Tree Grove 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
  UCD32816  Achnatherum stillmanii Beecher Crampton 1964-7-21 7127 Placer Placer County, Blue canyon. 1430 Comment
  UCD51410  Achnatherum stillmanii Beecher Crampton 1964-7-21 7127 Placer Blue Canyon. 1430 Comment
  SBBG3453  Acmispon americanus E. R. Blakley 1960-9-3 3817 Placer Kings Beach, Lake Tahoe 1903 Comment
  UCD22015  Acmispon americanus var. americanus Beth Lowe Corbin 1982-8-9 273 Placer 1/4 mile SW of Onion Creek campground. In fine, sandy soil. Disturbed open area in White Fir forest. Prostrate herb. Flowers white. Full sun. South facing slope, 10% incline. Locally common. 1859 Comment
  SEINET5327530  Acmispon americanus var. americanus A. Allen 1950-4-29 17 Placer Roadside 1/2 mi W of Rocklin on Hwy 40, railroad right of way Comment
  CAS-BOT-BC438835  Acmispon argophyllus var. fremontii George K. Helmkamp; Mary Alice Barnes 2013-5-3 20502 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill. 422 Comment
  CAS-BOT-BC204858  Acmispon argophyllus var. fremontii Lillian S. Mott 1965-5-23 6577 Placer Mosquito Ridge road out of Foresthill Comment
  UCD104064  Acmispon brachycarpus G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11711 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  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
  UCD95385  Aconitum columbianum L. M. Sparks 1912-8-1 32 Placer Lake Tahoe. Comment
  CAS-BOT-BC412606  Aconogonon alaskanum A. A. Heller 1917-8-14 12934 Placer Mt. Lincoln south of Summit Valley 2438 Comment
  SD1177  Aconogonon davisiae C. F. Sonne Aug 1897 Placer Tinkers Knob Comment
  UCD21931  Aconogonon davisiae Beth Lowe Corbin 1982-8-23 409 Placer 2 miles SW of the Cedars. In loose, fine sandy, rocky soil in open Red Fir forest. Stem pinkish. Calyx pinkish white. Full sun. North facing slope, 30% incline. Locally common. 2133 Comment
  CAS-BOT-BC418771  Aconogonon phytolaccifolium A. A. Heller 1917-8-14 12934 Placer Mt. Lincoln south of Summit Valley 2438 Comment
  SCFS5068  Aconogonon phytolaccifolium E. Krimmel 2014-6-26 Placer Widespread. Near creek and into conifer woods. Comment
  CDA39088  Acroptilon repens Preston Neufeld 2013-7-1 PDR# 310 P06129930 Placer Along Interstate 80 near Drum Forebay exit. 0 Comment
  UCD51602  Aegilops triuncialis B. Crampton 1955-5-27 2815 Placer 5-6 miles northwest of Roseville. Comment
  UCD22032  Agastache urticifolia Beth Lowe Corbin 1982-8-3 176 Placer Onion Creek campground. Along streambank but away from water. Perennial herb, with pinkish purple flowers, and strong mint odor. Mostly sun. Uncommon. Southwest facing slope. 1841 Comment
  UCD22079  Agastache urticifolia Rex Palmer 1979-7-11 N 583 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC472273  Ageratina occidentalis Miss Helen D. Geis Jun 1 1912-Jul 1 1912 106 Placer Deer Park Comment
  CAS-BOT-BC29593  Agoseris X dasycarpa Alice Eastwood 1909-1-1 273 Placer Ward Creek Comment
  CDA16970  Agoseris heterophylla G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16023 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SJSU4566  Agoseris monticola R. L. Fisher 1959-8-5 Placer Emigrant Meadow 2286 Comment
  CAS-BOT-BC13328  Agoseris retrorsa Saichi Kawahara 1969-5-25 1016 Placer East bank of Indian Creek. East of house, Mel Henderson Ranch. Dutch Flat Quadrangle. 1036 Comment
  CAS-BOT-BC13425  Agoseris retrorsa Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  JEPS75042  Agoseris retrorsa Gladys L. Smith 1972-6-20 3260 Placer s facing slopes from summit to Sherwood Forest Ward Peak Summit; Sherwood Forest 2590 Comment
  CAS-BOT-BC110751  Agropyron cristatum T. C. Fuller 1964-9-1 12573 Placer Sierra Nevada. North side of Interstate 80 freeway from Donner Summit, 0.1 mile west of Blue Canyon Road. 1524 Comment
  SEINET10909049  Agropyron pringlei A. Arthur Heller 1917-8-13 Heller 12919 Placer Ridge northwest of Donner Pass on a steep gravelly slope below a ledge of igneous rock, the neighboring forest composed of Abies magnifica. 2377 Comment
  SACT000061  Agropyron subsecundum Michael Baad 1983-7-23 Placer Along Highway 267 on south side of road Comment
  SACT000079  Agropyron trachycaulum D. Meyer 1983-9-10 Placer Moist streambank and meadow 1879.0 Comment
  SEINET10792272  Agrostis diegoensis A. Arthur Heller 1917-8-13 Heller 12897 Placer Base of a cliff north of Summit hotel, the surrounding forest composed of Abies magnifica. 2164 Comment
  RSA129619  Agrostis exarata H. S. Yates 1936-9-8 5987 Placer 2 miles SW of Martis PK. 2287 Comment
  SACT000089  Agrostis exarata D. Meyer 1983-9-10 Placer Moist streambank and meadow 1879.0 Comment
  SACT000093  Agrostis exarata Josephine Van Ess 1977-9-16 Placer Growing in mud in small pools at river's edge 378.0 Comment
  UCD52123  Agrostis exarata Beecher Crampton 1955-6-15 2886 Placer Bunch Canyon, Forest Hill Road, 3 miles south of US Hwy 40. Comment
  UCD52347  Agrostis exarata Hitchcock Date Unknown 12891 Placer Summit Station. 2121 Comment
  CAS-BOT-BC139255  Agrostis idahoensis A. A. Heller 1919-7-25 13293 Placer Near the Yuba river below Cisco. 1676 Comment
  JEPS103489  Agrostis idahoensis Lowell Ahart 2002-7-22 9906 Placer Along a drainage, ca 40 yards NW 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. 1774 Comment
  SEINET3916446  Agrostis idahoensis Ellen Dean, M. Starbuck; M. Bibbo; J. Poloske 2008-7-20 5247 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon.; 0 Comment
  UCD75966  Agrostis idahoensis Ellen Dean, M. Starbuck,; M. Bibbo, J. Poloske 2008-7-20 5247 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
  UCR241359  Agrostis idahoensis George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19816 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.8 miles northeast of Hidden Treasure Road, 0.75 mi. SE of Whisky Hill 1698 Comment
  SEINET10968050  Agrostis idahoensis A. Arthur Heller 1919-7-25 Heller 13293 Placer Sandy flat near the Yuba river below Cisco. Comment
  UCD53037  Agrostis microphylla Beecher Crampton 1957-5-7 3998 Placer 1.7 miles east of Lincoln, road to Newcastle. Comment
  SEINET4341131  Agrostis microphylla B. Crampton 1957-5-7 3998 Placer 1.7 miles east of Lincoln, road to Newcastle Comment
  UCD53242  Agrostis pallens B. Bolt 1934-7-17 s.n. Placer 1/2 mile S.W. of Walker Mine. 1981 Comment
  UCD74165  Agrostis pallens Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-26 199 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2190 Comment
  RSA129536  Agrostis scabra B. Bolt 1934-8-14 s.n Placer E. slope of Red Star Ridge 1768 Comment
  SACT000152  Agrostis scabra D. Meyer 1983-9-10 Placer moist streambank and meadow 1879.0 Comment
  SACT000165  Agrostis scabra D. Meyer 1984-7-8 Placer Road to reservoir, roadside 1758.0 Comment
  UCD22258  Agrostis scabra Beth Lowe Corbin 1982-8-9 275 Placer 1/4 mile SW of Onion Creek Campground. S facing slope, 10% incline. Mostly sun. Common. Small, grassy meadow in white fir forest in fine, sandy soil. Perennial, forming loose bunches. 1859 Comment
  UCD36702  Agrostis scabra Beecher Crampton 1955-7-13 2984 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD53516  Agrostis stolonifera B. Bolt 1934-8-14 s.n. Placer E. slope of Red Star Ridge. 1767 Comment
  SACT000197  Agrostis stolonifera var. major D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT000209  Agrostis stolonifera var. major Michael Baad 1983-7-15 Placer 1371.6 Comment
  SACT000214  Agrostis tenuis D. Meyer 1984-6-23 Placer 9.76 km from I80 Frontage rd. moist shady roadside ditch. oak, pine, manzanita, assoc 978.0 Comment
  SACT000218  Agrostis tenuis D. Meyer 1983-6-16 Placer 1624.0 Comment
  SACT000220  Agrostis tenuis D. Meyer 1983-10-22 Placer searchlight ski run from base up to Olympic lady charilift, cleared most vegetation, trees lining edge of run, straw added for erosion control. 2000.0 Comment
  SEINET10790432  Agrostis variabilis A. Arthur Heller 1917-8-13 Heller 12913 Placer Ridge northwest of Donner Pass in coarse granite sand below a ledge of igneous rock, the neighboring forest composed of Abies magnifica. 2347 Comment
  CDA36921  Aira caryophyllea CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  SACT000226  Aira caryophyllea D. Meyer 1984-5-6 Placer 145.5 Comment
  SACT000227  Aira caryophyllea D. Meyer 1983-5-7 Placer Comment
  UC1618251  Aira caryophyllea Barbara Ertter with David Thompson 1989-4-8 8163 Placer Iowa Creek Road 2 mi from I-80 near entrance to Auburn State Recreation Area (at creek crossing); Iowa Creek Road 518 Comment
  UCR208605  Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2009-5-7 14615 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  CAS-BOT-BC138374  Aira caryophyllea var. caryophyllea A. A. Beetle 1941-5-26 2710 Placer Near Cisco. 914 Comment
  CAS-BOT-BC138377  Aira caryophyllea var. caryophyllea Gordon H. True 1971-4-21 6518 Placer On Roseville-Lincoln Highway ca. 5 miles north of Roseville. Comment
  CHSC39057  Allium amplectens Michael P. Crivello 1979-4-11 Placer 1.2 mi sse Coloma along Hwy 49. 289 Comment
  JEPS47574  Allium amplectens L. S. Smith 1925-6-13 1671 Placer Picayune Creek Tahoe Forest, French Meadows Range, Picayune Creek 1981 Comment
  RSA35118  Allium campanulatum L. S. Rose 1944-7-13 44106 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  SEINET176938  Allium campanulatum M. E. Jones 1882-6-30 2881 Placer Emigrant Gap Comment
  UCD138499  Allium campanulatum J. M. Tucker 1975-7-29 4354 Placer ca. 1/2 mile south of Tinker Knob, ca. 8 miles (airline) southeast of Soda Springs. 2286 Comment
  CAS-BOT-BC464522  Allium campanulatum D. E. Breedlove 1962-6-13 3546 Placer On the western bank of Lake Tahoe along State Hwy. 89, 8.3 miles south of Tahoe City 1889 Comment
  UCD22042  Allium obtusum Rex Palmer 1979-7-11 N 571 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22044  Allium obtusum Rex Palmer 1979-6-10 N 183 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC474031  Allium parvum John Thomas Howell 1943-7-21 18655 Placer Donner Pass to Mt. Lincoln Comment
  CHSC46525  Allium platycaule Lowell Ahart 1964-7-3 12 Placer Along the trail to the Placer Queen Mine, north-east of Bald Mountain. 1676 Comment
  UCD22045  Allium platycaule Rex Palmer 1979-6-9 N 165 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  UC1123712  Allophyllum gilioides subsp. violaceum N. French 1934-6-22 480 Placer 1/2 mi. w. Lake Van Norden; Truckee Quad. Comment
  JEPS127512  Allophyllum integrifolium Steve Matson 1997-6-15 2 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  UC188487  Allophyllum integrifolium C. F. Sonne Sep 9 1883-May 1 1889 Placer woods above Kneeland's Mill Comment
  UCR229554  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-7-26 17903 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
  OBI39836  Alnus incana Joy H. Nishida 1985-7-10 793 Placer Homewood, Red fir forest 1829 Comment
  SBBG1282  Alnus incana subsp. tenuifolia E. R. Blakley 1960-9-2 3805 Placer meadow at mouth of Carnelian Crk, Lake Tahoe 1905 Comment
  POM296923A  Alopecurus aequalis var. aequalis Lyman Benson 1942-7-2 11268 Placer 1 mile west of Truckee; Highway junction; Sierra Nevada Mt. Range 2012 Comment
  UCD150262  Amaranthus hybridus James A. Neilson Jr. 1971-9-9 2644 Placer Tahoe City Nursery (McBride's Nursery). 1905 Comment
  SEINET6190269  Amelanchier alnifolia var. pumila P. A. Lehenbauer 1932-6-12 s.n. Placer Tahoe City Comment
  SEINET11910806  Amelanchier pallida J. H. Nishida 1985-1 767 Placer Homewood, Red Fir Forest 1829 Comment
  SEINET6190548  Amelanchier pallida P. A. Lehenbauer 1932-6-26 s.n. Placer Tahoe City Comment
  CAS-BOT-BC136772  Amelanchier utahensis W. R. Dudley 1909-8-23 s.n. Placer Shore of Lake Tahoe, Tahoe Tavern Comment
  UC481572 Image available Amelanchier utahensis G. W. Fetters 1929-6-20 Placer Homewood; Lake Tahoe 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
  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
  SD243066  Anaphalis margaritacea George K. Helmkamp, E. A. Helmkamp 2010-8-14 16792 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing (Duncan Peak 7.5'Q) 1552 Comment
  CAS-BOT-BC391820  Anemone drummondii Mrs. Bliss 1923-4-20 s.n. Placer Tahoe City Comment
  UC853532  Anemone drummondii Alice Eastwood Jun 15 1912-Jun 19 1912 379 Placer Lake Tahoe Region, Deer Park 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
  UCR209744  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2009-8-12 15437 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  CAS-BOT-BC63971  Antennaria argentea C. F. Sonne 1885-6-14 161 Placer Tahoe City Comment
  UC29466  Antennaria argentea C. F. Sonne Jul 7 1886-Jan 1 1900 Placer on, (woods) Truckee River; Sierra Nevada Mountains Comment
  SACT000332  Anthoxanthum odoratum Josephine Van Ess 1974-8-10 Placer Rest stop area just north of Highway 80. Dried up moist area, 991.0 Comment
  SACT000342  Anthoxanthum odoratum D. Meyer 1984-6-3 Placer 585.0 Comment
  UCD80515  Anthoxanthum odoratum CNPS SN Foothill Team 2005-4-11 SNFN 0104 a Placer Placer Legacy, Spears/Didion Ranch, above Coon Creek, approximately 2.5 miles east of entry gate off of Garden Bar Road. 156 Comment
  CDA36211  Anthriscus caucalis G. 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. Comment
  POM190466  Antirrhinum leptaleum D. D. Keck 1932-7-1 1591 Placer 2 miles N. of Auburn on Nevada City Road. 427 Comment
  POM29613  Antirrhinum vexillocalyculatum subsp. intermedium Marcus E. Jones 1882-7-3 3426 Placer Colfax. Comment
  SEINET6329792  Aphanes occidentalis F. Martin 1962-3-16 55 Placer 2 miles east of Auburn, above the north fork of the Yuba River 274 Comment
  UCR206595  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2009-7-16 15208 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  UCR209753  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2009-8-12 15442 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  CDA39733  Apocynum cannabinum Jacobsen Nov 1928 s.n. Placer 1/2 mile east of headquarters of Whitney Estate, 6 miles northeast of Roseville. 0 Comment
  UCD22176  Aquilegia formosa Rex Palmer 1979-6-20 N 350 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR240747  Aquilegia formosa George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19797 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
  CAS-BOT-BC397901  Aquilegia formosa Marcus E. Jones 1893-1-1 2614 Placer Emigrant Gap. Comment
  SEINET12092704  Aquilegia formosa J. H. Nishida 1985-1 782 Placer Homewood: Red Fir Forest 1829 Comment
  POM366953  Aquilegia formosa var. truncata Bonnie C. Templeton 1931-7-4 1505 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  SEINET3245989  Arabidopsis thaliana G. K. Helmkamp, E. A. Helmkamp 2010-1 15929 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 48 Comment
  JEPS109848  Arabis rectissima var. rectissima Dean W. Taylor 2005-7-15 19410 Placer Martis Peak, saddle 0.5 air miles E of the summit 2560 Comment
  SEINET7258076  Arbutus menziesii W. D. Billings 1940-5-18 s.n. Placer Gold Run Comment
  UC615467  Arceuthobium americanum Beryl O. Schreiber 1932-9-12 776 Placer Tahoe Meadow Lake Tahoe 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
  CAS-BOT-BC24154  Arctostaphylos Saichi Kawahara 1969-5-25 1018 Placer Top of ridge E of house, Mel henderson Ranch, E bank of Indian Creek, Dutch Flat Quadrangle 1036 Comment
  CHSC10702  Arctostaphylos manzanita Lowell Ahart 1964-7-3 Placer On trail to Placer Queen Mine. 1676 Comment
  CDA39032  Arctostaphylos mewukka D. G. Kelch 2011-10-3 11 .827-B Placer Tahoe City. Granlibakken Resort. Comment
  JEPS14033  Arctostaphylos mewukka Rimo Bacigalupi with G. Stebbins, A. Hawkes, F. Ehrendorfer, J. Hunziker, D. Zohary and H. Stutz 1952-7-20 3880 Placer n-facing serpentine slope just s Shirttail Public Camp (nr. headwaters of Shirttail Creek, 6 mi e of Iowa Hill); Tahoe Nat. Forest 1127 Comment
  CAS-BOT-BC40043  Arctostaphylos nevadensis Margaret Williams 1974-8-8 74 -P1-25 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  OBI20020  Arctostaphylos patula David J. Keil 1978-7-23 12940 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UC205108  Arctostaphylos patula Katharine Brandegee Placer Gold Run Comment
  UCD21473  Arctostaphylos patula Beth Lowe Corbin 1982-8-18 368 Placer One mile SW of The Cedars. 1828 Comment
  UCD22389  Arctostaphylos uva-ursi Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1301 Placer Gold Run rest area along Hwy 80, just before exit to Dutch Flat. 762 Comment
  CAS-BOT-BC47054  Arctostaphylos viscida subsp. viscida Brandegee 1889-1-1 132 Placer Blue Canyon. Comment
  CAS-BOT-BC47063  Arctostaphylos viscida subsp. viscida W. R. Dudley 1909-8-16 s.n. Placer Dutch Flat. Comment
  CAS-BOT-BC47125  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11124 Placer Colfax. Comment
  RSA637015  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24918 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  RSA637027  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24924 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  RSA637028  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24923 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  SBBG58421  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-12 A 2 Placer 3 mi above Colfax Comment
  UC193055  Arctostaphylos viscida subsp. viscida C. F. Sonne 1891-4-5 Placer between Auburn and Newcastle Comment
  UC484000  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1930-10-11 1733 Placer near Alta 1127 Comment
  UC82995  Arctostaphylos viscida subsp. viscida Katharine Brandegee June 1889 Placer Blue Canyon Comment
  POM308863  Arenaria capillaris subsp. americana Betty J. Jorgensen 1944-7-2 511 Placer Along summit near Donner Pass. Comment
  SEINET3155287  Arenaria douglasii M. E. Jones sn Placer Emigrant Gap Comment
  SBBG115628  Aristida oligantha B. Crampton 1961-9-27 5995 Placer ca. 1 mi W of Auburn, along US Hwy 40 Comment
  UCD37738  Aristida oligantha Beecher Crampton 1961-9-27 5995 Placer Placer County, 1 mile west of Auburn, along U.S. Highway 40. Comment
  CAS-BOT-BC400409  Aristolochia californica J. W. Congdon 1894-4-4 s.n. Placer Auburn Comment
  SCFS1049  Arnica E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake Comment
  CAS-BOT-BC82209  Arnica chamissonis Alice Eastwood 1909-1 312 Placer Tahoe City Comment
  UC892062  Arnica chamissonis M. E. Parsons 1910-8-1 Placer Tahoe City Comment
  UCD44624  Arnica chamissonis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1990 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  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
  RSA417130  Arnica chamissonis subsp. foliosa L. S. Rose 1937-7-29 37612 Placer Tahoe Vista 1905 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
  UCD74026  Arnica cordifolia Jennifer W. Burt 2005-7-11 117 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. 1986 Comment
  POM53360  Arnica dealbata C. F. Sonne 1895-7-14 s.n. Placer On 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
  UC468975  Arnica longifolia Miss Helen D. Geis Jun 1 1912-Jul 1 1912 43 Placer Deer Park Comment
  UC193465  Arnica longifolia C. F. Sonne 1896-7-1 Placer below and around Schafer's Reservoir; Truckee Comment
  POM160971  Arnica longifolia subsp. myriadenia C. F. Sonne 1897-8-7 s.n. Placer E Slope Mt. Anderson 2439 Comment
  CAS-BOT-BC85174  Arnica mollis F. Almeda 1993-7-25 7295 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass. 1920 Comment
  UCD83640  Arnica mollis Albert Grigarick 2009-9-10 193 Placer Squaw Creek Resort, approx. in middle of Emigrant Lift. 2526 Comment
  POM9976  Arnica mollis E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
  POM160241  Arnica nevadensis C. F. Sonne 1897-07 s.n. Placer E Slope Mt. Anderson 2439 Comment
  JEPS20971  Arnica nevadensis C. F. Sonne 1888-8-12 190 Placer near Truckee; Sierra Nevada Mountains Comment
  POM31362  Arnica parryi subsp. sonnei Marcus E. Jones 1902-9-1 s.n. Placer Alta Comment
  UC1119382  Artemisia arbuscula N. French 1934-6-22 450 Placer 7/8 mi from Lake Dulzura; Truckee Quadrangle Comment
  UC1190075  Artemisia arbuscula George H. Ward and Ann Ward 1949-9-12 948 Placer ca. 8 mi n of Tahoe City (along Truckee River); Truckee River Comment
  UC128211  Artemisia douglasiana Miss Harriet A. Walker 1397 Placer near Yuba River (Cisco) 1524 Comment
  CAS-BOT-BC90713  Artemisia ludoviciana subsp. incompta C. F. Sonne 1887-8-7 s.n. Placer Mts. above Coldstream Comment
  UCD129294  Artemisia tridentata subsp. vaseyana Beecher Crampton 1975-9-22 9290 Placer Martis Valley, Truckee-Tahoe airport area, ca. 2.5 miles SE of Truckee. Comment
  UC849086  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
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Apr 7 2018
  UC878961  Asclepias cordifolia Marcus E. Jones, A. M. 1882-6-30 2802 Placer Emigrant Gap Comment
  UCD121247  Asclepias cordifolia John F. Addicott 1965-5-15 83 Placer 2 miles from Colfax on road to Owl Hill. 548 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
  CHSC74192  Aster alpigenus var. andersonii Susi Urie 1998-8-29 98 -166 Placer Lake Tahoe Basin Management Unit - National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CDA16048  Aster breweri G. F. Hrusa, J. Glazner 2000-9-3 15664 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UCR257730  Aster foliaceus var. parryi George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19520 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  CDA25023  Aster occidentalis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  UCR171402  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2005-10-1 9970 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
  UCD105214  Astragalus purshii S. S. Smith 1916-6 414 Placer Squaw Valley. 1828 Comment
  UCD38789  Astragalus purshii Beecher Crampton 1958-6-24 4957 Placer Placer Counter: About 4 miles southeast of Truckee, eastern edge of Martis Valley. Placer-Nevada County line. Comment
  CAS-BOT-BC69563  Athyrium alpestre subsp. americanum M. E. Parsons 1911-8-19 s.n. Placer Page Meadow, Lake Tahoe. Comment
  RSA693559  Athyrium filix-femina subsp. cyclosorum Elizabeth Flint 1923-1 60 Placer Blue Canyon, along stream 1372 Comment
  RSA692535  Athyrium filix-femina subsp. cyclosorum May N. Ackley 1927-1 14 Placer Near Towle Comment
  SEINET11193207  Athysanus pusillus F. Martin 1962-3-16 74 Placer Above the North Fork Yuba River, 2 miles E of Auburn. 274 Comment
  CDA10486  Balsamorhiza macrolepis T. C. Fuller 1958-4-15 Placer Highway 99E, 2 miles north of Roseville. 0 Comment
  UC761939  Balsamorhiza macrolepis R. F. Hoover 1939-5-10 4092 Placer Lincoln Comment
  CAS-BOT-BC100090  Balsamorhiza sagittata Kellogg; Brannan 1870-6-27 s.n. Placer Cisco: Sierra Nevada Mts. Comment
  UC30517  Balsamorhiza sagittata J. Burtt Davy Jun 25 1897-Jun 30 1897 3272 Placer between Truckee and Tahoe Truckee River Basin Comment
  UCD21699  Balsamorhiza sagittata Rex Palmer 1979-6-9 N 160 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC11065  Barbarea orthoceras Lowell Ahart 1969-7-30 Placer Ahart Camp, French Meadows. 1524 Comment
  UC855620  Barbarea orthoceras Alice Eastwood June 15-19, 1912 412 Placer Deer Park, Lake Tahoe Region 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
  JEPS47760  Berberis pinnata unknown 1884-1 Placer Auburn Comment
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Jul 10 2007
  CDA43434  Berteroa incana Patterson & Diefendorf 2015-7-7 PDR# 310 P06130033 Placer Alpine Meadows Ski Area maintenance lot. 0 Comment
  UCR190711  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2007-9-14 12955 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UC912219  Bidens frondosa Herbert L. Mason 1929-10-4 5452 Placer 1.5 mi from Auburn Comment
  UCD22349  Boechera breweri Rex Palmer 1979-6-21 N 388 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC16066  Boechera breweri G. L. Stebbins, Jr. 1952-6-22 5098 Placer Southeast bank of American River, 0.5 mile northeast of bridge on Colfax-Iowa Hill road. 350 Comment
  CAS-BOT-BC16147  Boechera covillei John Thomas Howell 1943-7-21 18651 Placer Donner Pass to Mount Lincoln. Comment
  CAS-BOT-BC16272  Boechera howellii John F. Emmel 1971-7-11 377 Placer 0.3 air mile east of east side of Lake Mary, between Donner Pass and Mount Judah. 2286 Comment
  CAS-BOT-BC14704  Boechera rectissima Katharine Brandegee s.n. Placer Tahoe Tavern. Comment
  UC10137  Boechera sparsiflora H. N. Bolander 1865-4-10 4514 Placer near Auburn (Bed of American River); American River 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
  CAS-BOT-BC417622  Boykinia major G. R. Vasey 1880-10-1 s.n. Placer Auburn Comment
  CAS-BOT-BC418413  Boykinia occidentalis F. A. Mac Fadden 1934-7-1 12581 Placer Canyon Creek, Monte Vista Comment
  UCD13303  Boykinia occidentalis Thomas G. Lowrie 1973-6-3 71 Placer Placer CO. Mosquito Ridge road. Comment
  UCR190662  Brassica geniculata George K. Helmkamp, E. A. Helmkamp 2007-5-23 12074 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  UC170078  Brickellia greenei Miss Helen D. Geis Jun 1 1912-Jul 1 1912 204 Placer Deer Park and Crags Deer Park, Crags Comment
  CDA37219  Briza minor CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UC768439  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  SEINET9364702  Brodiaea elegans Unknown 2010-6-26 16372 Placer Sierra Nevada Mountains Foothills Comment
  JEPS7635  Brodiaea elegans subsp. elegans W. H. Shockley Placer Auburn Comment
  RSA785457  Brodiaea elegans subsp. elegans George K. Helmkamp, E. A. Helmkamp 2010-6-26 16372 Placer junction of Canyon Way and Yankee Jim s Road, east of I-80 between Weimar and Colfax 616 Comment
  UC1134031  Brodiaea elegans subsp. elegans G. T. Nordstrom 1934-6-21 144 Placer 2 mi w Mammoth Spring; Tahoe National Forest, Colfax Quadrangle Comment
  UCD22038  Brodiaea elegans subsp. elegans Beth Lowe Corbin 1982-8-9 285 Placer 1/2 mile SW of Onion Creek. 1767 Comment
  UCD13323  Brodiaea elegans subsp. elegans Kristy S. Howard 1989-6-3 160 Placer Dry creek rd. 365 Comment
  SD236125  Brodiaea minor G. K. Helmkamp, E. A. Helmkamp 2008-4-17 13284 Placer Sacramento Valley: Ranch House Road, 0.2 mile southeast of Sheridan 36 Comment
  UCD77127  Brodiaea minor Robert E. Preston 2002-6-14 1817 Placer Auburn, along Dry Creek Rd, ca. 0.8 mi e of its jct with Hwy 49. 440 Comment
  SEINET2473481 Image available Bromus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-1 16435 Placer Sierra Nevada Mountains Foothills; Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 410 Comment
  SACT000390  Bromus carinatus James Grove 1977-7-5 Placer 2000.0 Comment
  CAS-BOT-BC149518  Bromus carinatus var. carinatus L. S. Smith 1925-6-4 1623 Placer Tahoe Forest. Forest Hills. 762 Comment
  UC34009  Bromus carinatus var. carinatus C. F. Sonne 1892-7-1 8 Placer Sierra Nevada Mountains, Tinker Knob Tinker Knob; Sierra Nevada Mountains, Tinker Knob 2743 Comment
  CAS-BOT-BC148725  Bromus carinatus var. marginatus Gordon H. True 1968-7-10 4368 Placer Highway 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Road. 1554 Comment
  UCD34553  Bromus carinatus var. marginatus Beecher Crampton 1985-6-23 9998 Placer Placer County, North Shore Lake Tahoe, Stateline road. Comment
  UCD59203  Bromus carinatus var. marginatus L. S. Smith Date Unknown 514 Placer Squaw Valley. Comment
  SACT000491  Bromus commutatus D. Meyer 1984-6-23 Placer Nevada-Placer County line, moist shaded area 594.0 Comment
  POM264452  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco 915 Comment
  SACT000526  Bromus diandrus D. Meyer 1983-4-17 Placer small drainage ditch, moist sunny exposure. 231.648 Comment
  SACT000527  Bromus diandrus D. Meyer 1983-6-5 Placer 982.98 Comment
  UCD80535  Bromus diandrus CNPS SN Foothill Team 2005-4-11 SNFN 0103 a Placer Placer Legacy, Spears/Didion Ranch, above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  CAS-BOT-BC155060  Bromus hordeaceus A. A. Beetle 1941-5-26 2712 Placer Near Cisco. 914 Comment
  CAS-BOT-BC155445  Bromus hordeaceus Peter H. Raven 1954-4-16 6607 Placer 7 miles south of LIncoln on road to Rosevill. Comment
  SACT000564  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-7-3 Placer 1227.3 Comment
  SACT000568  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-6-5 Placer 982.98 Comment
  UCD75762  Bromus inermis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5234 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
  UCD74181  Bromus inermis subsp. inermis Jennifer W. Burt 2005-7-17 40 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. 2112 Comment
  UCD74183  Bromus inermis subsp. inermis Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-27 240 Placer Northstar active ski area, off Hwy 267, Lookout Mountain - collected from center of 'Prosser' ski run. 2373 Comment
  CDA15966  Bromus laevipes G. F. Hrusa, J. Glazner 1999-7-17 15121 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SACT000630  Bromus madritensis Michael Baad 1983-5-7 Placer open rock hillside; south-facing, serpentine slope 426.7 Comment
  HSC9325  Bromus madritensis subsp. rubens L. M. Malloy 1965-4-17 43 Placer 5 mi. W of Newcastle on Newcastle-Lincoln Rd. by Nakamura's pond Comment
  SACT000692  Bromus marginatus D. Meyer 1983-8-20 Placer from road to first lake, steep rocky trail 2000.0 Comment
  HSC11184  Bromus orcuttianus A. S. Hitchcock 1913-7-15 863 Placer Trukee Comment
  SACT000619  Bromus orcuttianus Michael Baad 1983-7-23 Placer more than .25 mile on road west of US HWY 89. boggy area. 1828.8 Comment
  CAS-BOT-BC162164  Bromus orcuttianus Beecher Crampton 1956-7-17 3723 Placer At the railroad crossing at Blue Canyon. 1432 Comment
  SACT000723  Bromus rubens Michael Baad 1977-6-8 Placer On Forest HIll to French Meadows Road, slate outcrop 731.52 Comment
  SACT000724  Bromus rubens Michael Baad 1977-6-8 Placer thin soil 1219.2 Comment
  SACT000728  Bromus rubens Michael Baad 1983-4-17 Placer 2.7 miles outheast of intersection descending to Middlefork of the American River, serpentine outcrop. 609.6 Comment
  SEINET4404457  Bromus rubens A. Tiehm, M. Williams, E. McPherson, H. Mozingo 1975-1 611 Placer One mile north of Lincoln Comment
  CAS-BOT-BC161572  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mount Lincoln south of Summit Valley. 2499 Comment
  SACT000759  Bromus suksdorfii D. Meyer 1983-7-30 Placer 2072.64 Comment
  UC905446  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer s of Summit Valley (Mount Lincoln); Mount Lincoln 2499 Comment
  UCD22237  Bromus suksdorfii Beth Lowe Corbin 1982-8-19 376 Placer 1 1/4 miles SSW of The Cedars. NE facing slope, 20% incline. Occasional. Mostly sun. In rocky, fine, sandy soil of logged white fir forest. Perennial forming moderately small bunches. 1828 Comment
  CAS-BOT-BC161528  Bromus tectorum Lewis S. Rose 1946-6-23 46198 Placer Rainbow, north of Cisco. 1737 Comment
  NY664627  Bromus tectorum L. S. Rose 1946-6-23 46198 Placer Rainbow, n. of Cisco 1737.4 Comment
  SACT000766  Bromus tectorum Michael Baad 1983-5-5 Placer 1.2 miles southeast of Canyon Way descending to North Fork of the American River 548.64 Comment
  SACT000767  Bromus tectorum Michael Baad 1983-5-5 Placer Ciolfax, 1 mile north of Placer Hills Road. Open hillside north-facing slope. 609.6 Comment
  CAS-BOT-BC438323  Calandrinia ciliata John Thomas Howell; Gordon H. True 1971-5-26 47643 Placer Northern limits of Lincoln 48 Comment
  SEINET9097649  Calandrinia ciliata var. menziesii W. D. Billings 1939-3-19 1195 Placer Sierra Foothills, 10 miles NW of Auburn. Comment
  SEINET9097740  Calandrinia ciliata var. menziesii J. Ridley 1959-4-19 24 Placer 4 miles S of Sheridan on E side between railroad tracks and Hwy 99E. Comment
  SEINET9097828  Calandrinia ciliata var. menziesii L. Smith 1979-4-12 s.n. Placer Penryn, 0.75 NE on Sisley Road off of Taylor Road, 2 feet from road. Comment
  UC401358  Calocedrus decurrens K. Brandegee Placer Alta Comment
  UCD37504  Calocedrus decurrens Beecher Crampton 1960-11-2 5798 Placer town of Gold Run. 975 Comment
  UCR146860  Calocedrus decurrens Beecher Crampton 1960-11-2 5798 Placer Sierra Nevada Mountains, town of Gold Run 976 Comment
  SEINET11051870  Calocedrus decurrens P. A. Lehenbauer 1932-1 s.n. Placer Lake Tahoe, Emerald Bay. Comment
  UCD14315  Calochortus albus Gregory Brickner 1984-5-19 33 Placer 10 miles south of Auburn on Highway 49. 167 Comment
  CDA39303  Calochortus albus A. Drieth 1960-4-15 3963 Placer Near Newcastle. 0 Comment
  UCD150568  Calochortus leichtlinii James A. Neilson Jr. 1970-7-9 1474 Placer Tahoe Basin, North Ward Creek. 2133 Comment
  UCD21610  Calochortus leichtlinii E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1279 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. Open W-facing granite slope, ascending ridge. 2300 Comment
  UCD22048  Calochortus leichtlinii Beth Lowe Corbin 1982-8-4 233 Placer 1 1/8 miles NNW of Onion Creek Campground. 2194 Comment
  UCR191104  Calochortus leichtlinii George K. Helmkamp, E. A. Helmkamp 2007-6-12 12327 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  CAS-BOT-BC490163  Calochortus leichtlinii Greg de Nevers 1995-8-20 10767 Placer Lake Tahoe 2133 Comment
  HSC15401  Calochortus leichtlinii R. G. Means 1962-6-28 47 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  CDA39287  Calochortus luteus H. R. Danielson 1962-4-28 s.n. Placer Highway 99E to Lincoln, ca. 5 miles north of Roseville. 0 Comment
  UCD150567  Calochortus minimus James A. Neilson Jr. 1971-7-17 2239 Placer Tahoe Basin, McKinney Lake drainage. 2023 Comment
  CAS-BOT-BC483466  Calochortus minimus E. A. McGregor 1909-8-8 6 Placer Grass Lake, Lake Tahoe region Comment
  SD240790  Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18958 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road (Foresthill 7.5'Q) 1139 Comment
  UCR208553  Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14668 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 2.7 miles south of its junction with Forest Hill Road. c. 0.15 mi. NNW of site of Michigan Bluff 1101 Comment
  CAS-BOT-BC493405  Calochortus monophyllus Georgia Bentley 1919-4-20 s.n. Placer At Auburn near river Comment
  CAS-BOT-BC493086  Calochortus nudus L. S. Smith 1925-7-1 1660 Placer Barker Creek. Tahoe Forest. 2133 Comment
  RSA122212  Calochortus nudus N. H. French 1934-5-28 370 Placer 1.5 mile west of Black Mountain 1768 Comment
  SDSU6417  Calycadenia multiglandulosa D. F. Howe 1964-7-26 3872 Placer Auburn. Comment
  UC419713  Calycadenia multiglandulosa Mrs. H. P. Bracelin 1930-10-12 101 Placer 1st summit n of, on Georgetown Rd. Colonia Comment
  UCR242332  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16657 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  UCD22154  Calyptridium umbellatum Rex Palmer 1979-6-19 N 238 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR120241  Calyptridium umbellatum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5023 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SBBG117361  Calystegia malacophylla subsp. malacophylla B. Crampton 1972-7-26 8846 Placer Carpenter Flat E of Emigrant Gap, above Laings rd 1615 Comment
  UCR257020  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Amy Barnes 2014-4-23 22779 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  CHSC70246  Calystegia occidentalis subsp. occidentalis R. A. Schlising; T. Lane 1975-6-3 3165 Placer E of Auburn, at roadside of Hwy 49, just above crossing of American River. Comment
  CAS-BOT-BC493372  Camassia quamash subsp. breviflora Alice Eastwood 1912-6-15 400 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC267278  Campanula Nell E. Flattery; Mary P. Wells 1980-9-12 s.n. Placer Garden escape, Poineer Way, Tahoe City 1981 Comment
  RSA750421  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2008-9-15 14114 Placer along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  SEINET10463032  Campanula prenanthoides Carpenter Carpenter s.n. Placer Comment
  SEINET10463035  Campanula prenanthoides F. A. MacFadden 1934-7-9 MacFadden 12733 Placer Emigrant Gap Comment
  SEINET10905905  Campanula prenanthoides Hardy 1893-1 HARDY s.n. Placer Comment
  RSA151578  Cardamine breweri Paul A. Mitchell 1960-6-5 118 Placer D. L. Bliss State Park; in small Cr[eek] crossing State Hwy 89 about 0.5 mile N of Entrance Station. 2073 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
  SEINET5341056  Cardamine cordifolia A. Tiehm, E. McPherson 1974-1 522 Placer Juniper Creek. 2408 Comment
  CDA12415  Cardamine cordifolia var. lyallii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8543 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UC170120  Cardamine cordifolia var. lyallii Miss Helen D. Geis 1912-6 65 Placer Deer Park Comment
  CAS-BOT-BC259177  Cardamine pensylvanica George K. Helmkamp; E. A. Helmkamp 2012-2-23 18576 Placer Eastern edge Sacramento Valley: Newcastle, along CA-193 (Newcastle Hwy), 0.1 mile southeast of its junction with Langs Hill Road, west of the junction with I-80, SW of Auburn 279 Comment
  UCR224863  Cardamine pensylvanica George K. Helmkamp, E. A. Helmkamp 2010-4-23 15909 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
  CDA33871  Cardaria pubescens Robin Breckenridge 2010-10-29 PDR# 1313512 Placer Interstate 80 at Kingvale Chain Control. 0 Comment
  CDA39063  Carduus nutans Preston Neufeld 2013-7-29 PDR# 310 P06129934 Placer Vicinity of Truckee; 192 Basque Drive. Comment
  CAS-BOT-BC281744  Carduus pycnocephalus Chester Dudley 1940-6-1 s.n. Placer Near Placerville Comment
  CDA36752  Carduus pycnocephalus D. B. Joley 1976-4-21 9 Placer Loomis; northwest of Sierra College Blvd. and Del Mar Ave. 0 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
  UCD43871  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1237 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS49030  Carex Leland S. Smith 1937-8-12 2236 Placer below Squaw Peak (upper end of basin); Tahoe Forest, Squaw Peak Basin 2286 Comment
  UCD44521  Carex aquatilis var. aquatilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1887 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC75311  Carex athrostachya Susi Urie 1998-8-29 98 -159 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  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-BC34209  Carex canescens L. S. Smith 1927-8-11 2199 Placer Tahoe National Forest. Squaw Valley. 1889 Comment
  CHSC110727  Carex davyi Dean Wm. Taylor 2010-8-10 20990 B Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek 2508 Comment
  JEPS109406  Carex davyi D. W. Taylor 2010-8-10 20990 B Placer Martis Peak, near the Nevada State Line in the headwaters of Juniper Creek. Comment
  CHSC85711  Carex douglasii G. F. Hrusa; J. Glazner 1999-7-17 15176 Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD140278  Carex douglasii Beecher Crampton 1972-7-26 8859 Placer ca. 1 mile west Cisco, Interstate Hwy 80 east. Comment
  RSA70693  Carex exserta L. S. Rose 1940-6-1 40474 Placer Truckee River, 3 miles NW of Tahoe City. 1890 Comment
  UC1729962  Carex fissuricola L. P. Janeway, Eric Schroder 1998-9-16 6328 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  UCR191071  Carex fracta George K. Helmkamp, E. A. Helmkamp 2007-5-23 12067 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  SEINET5786554 Image available Carex geyeri Marcus E. Jones 1882-1 3286 Placer Emigrant Gap Comment
  CHSC73096  Carex hoodii L. P. Janeway 1998-8-6 5988 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  SEINET176588  Carex hoodii M. E. Jones 1882-6-28 3532 Placer Emigrant Gap Comment
  UCD149414  Carex integra G. Ledyard Stebbins 1976-7-6 7692 c Placer Mountain Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD43146  Carex lenticularis var. lipocarpa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 514 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET3000400 Image available Carex luzulifolia Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. Comment
  UC1133401  Carex luzulifolia L. S. Smith 1927-8-12 Placer Squaw Peak and Upper Basin 2438 Comment
  UC143645  Carex luzulifolia A. A. Heller 1903-8-17 7187 Placer Donner Pass, above 2286 Comment
  NY11289  Carex luzulifolia var. strobilantha A. A. Heller 1903-8-17 7187 Placer Above Donner Pass 2286.0 Comment
  UC710481  Carex mariposana John Thomas Howell 1943-7-27 18876 Placer near Tahoe Pines (Lake Tahoe) Comment
  UCD149413  Carex microptera G. Ledyard Stebbins 1976-7-6 7692 Placer Mountain Meadow. (Exact location unknown. Coordinates estimated by label maker.) 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
  UCD74080  Carex microptera Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-28 180 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Terrain Park' ski run. 2221 Comment
  UCR235589  Carex multicaulis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18929 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  UC733659  Carex multicostata L. S. Smith 1928-6-1 2271 Placer near Walker's; Tahoe Forest, Blackwood 1950 Comment
  UCD74099  Carex multicostata Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 196 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Trailblazer' ski run. 2156 Comment
  CAS-BOT-BC119848  Carex nebrascensis John Thomas Howell 1943-7-19 18584 Placer Summit Valley Comment
  CHSC74012  Carex nebrascensis Susi Urie 1998-8-18 98 -073 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74450  Carex nebrascensis Susi Urie 1998-8-27 98 -121 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCR240966  Carex nebrascensis George K. Helmkamp, E. A. Helmkamp 2012-9-25 19918 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  JEPS14034  Carex nudata Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Juan Hunziker, Alex Hawkes, ... 1952-7-19 3851 Placer 1/2 mi above bridge on Iowa Hill to Colfax road (below Cape Horn on the S.P. RR); North Fork of the American River 381 Comment
  CAS-BOT-BC119033  Carex pellita John Thomas Howell 1943-7-22 18715 Placer Summit Valley Comment
  SEINET7570890 Image available Carex pellita Unknown 2003-8-23 7968 Placer Homewood 7.5' quad, Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake, 3.1 km south-southwest of Barker Pass. 2106 Comment
  UCD43953  Carex praegracilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1319 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC74307  Carex simulata Susi Urie 1998-9-2 98 -202 Placer Lake Tahoe Basin Management Unit. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 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
  CAS-BOT-BC117362  Carex stipata var. stipata Alice Eastwood; John Thomas Howell 1937-5-8 4361 Placer Between Newcastle and Penryn Comment
  CAS-BOT-BC116996  Carex straminiformis A. A. Heller 1917-8-14 12927 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  UCR179196  Carex straminiformis Rex Palmer 1979-7-9 N- 444 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  CAS-BOT-BC116554  Carex subfusca John Thomas Howell; Gordon H. True 1968-6-9 44517 Placer Alta. 1066 Comment
  CAS-BOT-BC116557  Carex subfusca Peter H. Raven 1956-8-4 9983 Placer Moist place, Blue Canyon. 1432 Comment
  CDA15927  Carex subfusca G. F. Hrusa, J. Glazner 1999-7-17 15178 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC74892  Carex subfusca Susi Urie; Eric Schroder 1998-9-8 98 -302 Placer Lake Tahoe Basin Management Unit. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  JEPS63521  Carex subfusca W. L. Jepson 1934-8-7 16880 Placer bank of Truckee River near Squaw Valley; Truckee River Comment
  SEINET7486527 Image available Carex subfusca Peter F. Zika 2010-8-10 25307 Placer above E shore of Truckee River, Route 89, 12 air km NE of , northern Sierra Nevada Highlands (n SNH) 1810 Comment
  CHSC74719  Carex utriculata Susi Urie; Eric Schroder 1998-9-10 98 -328 Placer Lake Tahoe Basin Management Unit. Antone Meadows: along Burton Creek, about 2.1 mi northwest of Lake Antone. 2072 Comment
  UCD162536  Carex utriculata Steve Matson 2002-7-21 609 Placer nSNH; Truckee River region; Pole Creek near Squaw Valley. 1950 Comment
  UCD43873  Carex utriculata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1239 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCR219486  Carex utriculata Angela Calderaro 2009-7-8 s.n. Placer Sierra Nevada Mtns., Truckee, near Donner Creek, SE of the intersection of Cosdstream Rd. and Deerfield Dr. 1803 Comment
  CDA13676  Carex vesicaria G. F. Hrusa, J. Glazner 1997-8-3 14036 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  POM313110  Carex vesicaria Malcolm A. Nobs, S. Galen Smith 1949-8-21 1517 Placer Placer County: Marsh between sandy beach and Agate Bay, north end of Lake Tahoe Comment
  UC1256291  Carex whitneyi R. K. Gierisch 1969-7-11 3523 Placer Big Bend Tahoe Forest Comment
  UC830173  Carex whitneyi Alice Eastwood Jun 15 1912-Jun 19 1912 474 Placer Deer City Lake Tahoe Region Comment
  CAS-BOT-BC59031  Cassiope mertensiana C. F. Sonne 1897-8-14 s.n. Placer Mt. Anderson Comment
  POM132269  Cassiope mertensiana subsp. californica C. F. Sonne 1892-7-31 s.n. Placer Mts. above Coldstream. 2591 Comment
Read comments
Aug 2 2009
  UC197374  Cassiope mertensiana subsp. californica C. F. Sonne 1897-8-14 Placer E slope Mts. Anderson 2590 Comment
  CAS-BOT-BC248978  Castilleja Saichi Kawahara 1969-5-24 829 Placer Overlooking north fork of the American River. On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  SCFS11529121  Castilleja E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  SCFS1220  Castilleja E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top Meadow. Comment
  SCFS1236  Castilleja E. Krimmel 2013 or 2014 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook at Land of the Lost. Comment
  CAS-BOT-BC249702  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-6-15 359 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC518712  Castilleja applegatei subsp. pinetorum George K. Helmkamp; E. A. Helmkamp 2012-6-19 19212 Placer Northern Sierra Nevada Mountains Foothills: Mosquite Ridge Rd, 2.7 mi S of jct with Foresthill Rd 820 Comment
  RSA569210  Castilleja applegatei subsp. pinetorum Bonnie C. Templeton 1931-7-5 1509 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UC187801  Castilleja applegatei subsp. pinetorum Katharine Brandegee Jul 1911 Placer Donner Comment
  UC2045175  Castilleja applegatei subsp. pinetorum George K. Helmkamp with 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. Colfax 7.5' Q. Comment
  UCR250352  Castilleja applegatei subsp. pinetorum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20494 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  CHSC3844  Castilleja exserta Gary Dutton 1966-3-25 147 Placer Found on hwy. 40 one mile east of Auburn. Comment
  UCR173271  Castilleja foliolosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10435 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
  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
  UC198548  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198557  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  CHSC74268  Castilleja miniata subsp. miniata Susi Urie 1998-9-2 98 -219 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UCD43177  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 546 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44731  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2097 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UC1032433  Castilleja pruinosa G. T. Nordstrom 1934-6-21 146 Placer near Mammoth Springs; Tahoe National Forest, Colfax Quad. 1706 Comment
  CDA13687  Castilleja tenuis G. F. Hrusa, J. Glazner 1997-8-3 14047 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CAS-BOT-BC240285  Ceanothus William Williams 1986-6-15 s.n. Placer Norden. Hill at top of ski lift Comment
  SEINET5339319  Ceanothus W. D. Billings 1940-5-18 1307 Placer Opening in undistrubed pine woods. Gold run. Comment
  CAS-BOT-BC47857  Ceanothus cordulatus Elizabeth Parsons Hawver 1912-8-1 s.n. Placer Lake Tahoe Region Comment
  CAS-BOT-BC47891  Ceanothus cordulatus F. Almeda 1993-7-24 7273 Placer About 15 miles SE of Interstae Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  CAS-BOT-BC47898  Ceanothus cordulatus H. E. McMinn 1926-5-29 1754 Placer 3.1 miles east of Crystal Springs Comment
  CAS-BOT-BC48698  Ceanothus cordulatus Brandegee 1899-7-1 9 Placer Donner Comment
  POM263653  Ceanothus cordulatus Lewis S. Ross 1941-7-14 41315 Placer Chambers lodge (McKinney), Lake Tahoe. Comment
  SACT002891  Ceanothus cordulatus Michael Baad 1976-6-10 Placer North-facing slope at trailhead to Duncan Canyon and Robison Flat, 1 mile east of Duncan Creek Road crossing on the way to French Meadows. Comment
  SACT002900  Ceanothus cordulatus Michael Baad 1976-7-17 Placer On trail to Five Lakes. 1 mile west of Alpine Meadows Ski Area. Open brushy slopes on granite. 2072.0 Comment
  SBBG128618  Ceanothus cordulatus G. K. Helmkamp, E. A. Helmkamp 2012-6-19 19222 Placer Devil's Thumb Rd (Deadwood Rd), 1.2 mi S of its jct with Foresthill Rd 1648 Comment
  SEINET3464284  Ceanothus cordulatus L. S. Rose 1941-7-14 1912 Placer Lake Tahoe, Lake Tahoe, Chambers Lodge (McKinney) 1900 Comment
  UC569782  Ceanothus cordulatus N. French 1934-5-24 361 Placer nfork of American River Colfax quad 1341 Comment
  UC79938  Ceanothus cordulatus Katharine Brandegee July 1889 67 Placer Blue Canyon Comment
  UCD111380  Ceanothus cordulatus Beecher Crampton 1976-10-14 9318 Placer Blue Canyon airport area. 1524 Comment
  SACT002906  Ceanothus cuneatus Michael Baad 1983-7-15 Placer 5.9 miles northeast on nevada Point Road from junction with road from Ramsey Crossing to Devils Peak. Comment
  RSA399058  Ceanothus diversifolius Fay A. MacFadden 1934-3-30 12409 Placer Dutch Flat. Comment
  UCR208585  Ceanothus diversifolius George K. Helmkamp, E. A. Helmkamp 2009-5-11 14654 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  CAS-BOT-BC50754  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  CAS-BOT-BC50762  Ceanothus integerrimus Brandegee 1889-7-1 26 Placer Alta Comment
  SACT002929  Ceanothus integerrimus Michael Baad 1983-4-17 Placer South side of North Fork of American River on Ponderosa Road. 6 miles south of I80, north-facing slope. Shaded Comment
  SBBG51061  Ceanothus integerrimus N. R. Zabriskie 1973-4-7 667 Placer Emigrant Gap,off Interstate 80 W of Donner Pass Comment
  SCFS1001  Ceanothus integerrimus E. Krimmel 2014-6-26 Placer Road cut in switchbacks of Soda Springs road Comment
  UC1602375  Ceanothus integerrimus Katharine Brandegee 1889-7-7 Placer Blue Canyon Comment
  UCD16104  Ceanothus integerrimus A. Bebensee 1984-5-13 s.n. Placer California. Placer County: 9 mi. NE of Auburn on Forest Hill Rd. West side of the road. Comment
  UCD16105  Ceanothus integerrimus R. Rhode 1984-5-12 s.n. Placer California. Placer County: at the intersection of Michigan Bluff Rd. and Foresthill Rd. 1005 Comment
  POM260025  Ceanothus integerrimus var. californicus C. L. Hitchcock 1940-5-7 6336 Placer 1 mile west of Baxter. Comment
  SACT002943  Ceanothus lemmonii Michael Baad 1983-2-26 Placer On trail to Poor Man's Canyon on trail to El Dorado Canyon Comment
  SACT002944  Ceanothus lemmonii Michael Baad 1983-5-7 Placer 3.4 miles south of Colfax on Iowa Hill Road. 2 miles south of the North Fork of the American River. 978.0 Comment
  SBBG26946  Ceanothus lemmonii C. L. Hitchcock 1927-5-7 6327 Placer ca. 1 mi W of Baxter Comment
  UC1070800  Ceanothus lemmonii C. R. Clar 1933-5-11 117 Placer 3 mi e Weimer; Colfax quad. 609 Comment
  UC1281533  Ceanothus lemmonii H. E. McMinn 1926-5-29 1755 Placer 10.6 mi w Crystal Springs (Truckee Rd) Comment
  UC634625  Ceanothus lemmonii H. L. Mason 1926-5-29 3285 Placer near Alta (Donner Pass) Comment
  CAS-BOT-BC63395  Ceanothus prostratus M. S. Jussel 1928-6-25 s.n. Placer Tahoe City near school. Comment
  UC1071282  Ceanothus prostratus R. W. Lundh 1933-4-26 242 Placer 3 mi e Nigger Jack Hill; Tahoe National Forest, Colfax Quad. Comment
  UCR208584  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14656 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  RSA790859  Ceanothus tomentosus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18946 Placer Finning Mill Road, 1.2 mi north of its junction with Forest Hill Road. 1104 Comment
  UC1281303  Ceanothus tomentosus H. E. McMinn 1926-5-29 1708 m Placer 10.6 mi w Crystal Springs; w of Crystal Springs Comment
  UC634574  Ceanothus tomentosus Herbert L. Mason 1926-5-29 3286 Placer Donner Pass Road near Alta; Donner Pass Road near Alta Comment
  CAS-BOT-BC52883  Ceanothus tomentosus var. tomentosus H. E. McMinn 1926-5-29 1708 Placer 10.6 mi. west of Crystal Springs Comment
  CAS-BOT-BC52403  Ceanothus velutinus var. velutinus Dr. W. B. Stephens 1922-7-7 s.n. Placer South of Salmon Lake, crest of ridge Comment
  CAS-BOT-BC63179  Ceanothus velutinus var. velutinus Geo. B. Grant 1906-7-15 s.n. Placer Tahoe Tavern, Lake Tahoe. 1889 Comment
  CAS-BOT-BC277039  Centaurea maculosa T. C. Fuller 1965-8-10 13944 Placer S. side of the westbound lanes of Interstate 80 freeway, 0.1 mi. e. of Blue Canyon Rd., Sierra Nevada 1524 Comment
  CDA39018  Centaurea solstitialis D. G. Kelch 2011-10-2 11 .811 Placer Gold Run rest stop. Comment
  SEINET4560835  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-1 17023 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's road, 0.5 mile north of Forest Hill road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UCR240897  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2012-6-19 19210 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road 820 Comment
  RSA703907  Centaurium muehlenbergii C. Rose Broome 1978-8-3 2313 Placer Town of Rough and Ready, next to Penn Valley, 29.5 miles east of Marysville on Ca Highway 20; eight miles west of Grass Valley. Comment
  RSA703908  Centaurium muehlenbergii C. Rose Broome 1978-8-2 2308 Placer 2.1 miles south of Old Auburn on Auburn-Folsom Highway. Comment
  CAS-BOT-BC443965  Centaurium tenuiflorum C. Rose Broome 1978-8-2 2308 Placer 2.1 mi. S of Old Auburn on Auburn - Folsom Hwy. Comment
  UC1980595  Centaurium tenuiflorum C. Rose Broome 1978-8-3 2313 Placer Town of Rough and Ready, next to Penn Valley, 29.5 mi E of Marysville on CA Highway 20; 8 mi W of Grass Valley Comment
  CAS-BOT-BC288618  Centromadia fitchii J. Clausen 1932-9-16 650 Placer 2.5 miles from Auburn on the Sacramento Rd Comment
  SD50717  Centromadia fitchii Darley F. Howe 1959-8-1 2770 Placer 2.0 miles north of Auburn. 455 Comment
  SEINET11170792  Cephalanthus occidentalis E. Rasmussen 1971-10-2 11 Placer Ground near bank of N. Fork American River 305 Comment
  CAS-BOT-BC207587  Cercis occidentalis Marcus E. Jones 1882-7-4 3572 Placer Colfax Comment
  UCD15169  Cercis occidentalis Phyllis Adams 1982-5-9 38 Placer Placer Co.; along Highway 49, in the American River Canyon; 182 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-BC276717  Chaenactis douglasii var. douglasii Lewis S. Rose 1944-7-22 44213 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  CHSC44856  Chaenactis douglasii var. douglasii Lowell Ahart 1975-8-23 959 Placer Mountain side along the edge of Baker Ranch Soda Springs Road, between Sailor Flat and Robinson Flat, about 15 air miles north-east of Forest Hill. 1828 Comment
  CHSC45110  Chaenactis douglasii var. douglasii Lowell Ahart 1972-7-7 136 Placer Near the Middle Fork of the American River, about 1/10 mile south-east of Ahart Camp, French Meadows. 1524 Comment
  CHSC79667  Chaenactis douglasii var. douglasii G. F. Hrusa; J. Glazner 1999-5-1 15187 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UC565433  Chaenactis douglasii var. douglasii Chas. M. Belshaw 1935-6-7 1006 Placer near Baxter's Hotel (between Gold Run and Colfax); Sierra Nevada Mts. Comment
  UCR120251  Chaenactis douglasii var. douglasii George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5040 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CAS-BOT-BC277774  Chaenactis nevadensis John Thomas Howell 1943-7-21 18665 Placer Mt. Lincoln Comment
  NY163287  Chaenactis rubricaulis H. A. Walker 1910-6-22 176 Placer Deer Park, in the Sierra Nevada 1970 Comment
  UCD159407  Chaenactis stevioides D. S. Park 2010-7-7 177 -2 Placer Along N Lake Blvd. Bike trail near Lake Tahoe. Recent Fire. 1900 Comment
  CAS-BOT-BC141726  Chamaebatia foliolosa Marcus E. Jones 1882-6-28 3297 Placer Emigrant Gap Comment
  UC12154  Chamaebatia foliolosa Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  UCD16125  Chamaebatia foliolosa A. Bebensee 1984-5-13 s.n. Placer California. Placer County: 5 mi NE of Auburn on Forest Hill Rd. Comment
  UC196661  Chamaesyce nutans E. O. Amundsen 1916-9-3 Placer East Auburn Comment
  JEPS102536  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2001-10-10 9347 Placer French Meadows Reservoir, near boat or trail access area on northwest side of reservoir, about 1 mile southwest of bridge across Middle Fork of American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  SEINET12194045  Chamerion angustifolium J. H. Nishida 1985-1 779 Placer Homewood 1829 Comment
  CAS-BOT-BC70192  Cheilanthes gracillima John H. Thomas; Hazelle A. Thomas 1956-7-21 6224 Placer Sierra Nevada, Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC70193  Cheilanthes gracillima F. A. MacF. 1934-3-30 12534 Placer Dutch Flat Comment
  UCD75731  Cheilanthes gracillima Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5171 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail between creek and trail. 2136 Comment
  RSA331974  Cheilanthes gracillima W. Wisura 1985-6-1 4050 Placer Nayak, near Emigrant Pass, along dead end road to railway siding, on rocks Comment
  UC1120955  Chimaphila umbellata G. T. Nordstrom 1934-6-18 108 Placer n. slope Texas Hill (Plot 201); Tahoe Nat'l Forest, Colfax Quad. 1584 Comment
  CHSC98933  Chlorogalum angustifolium Samantha Mackey Hillaire 2007-7-7 1246 Placer North of Colfax, east side of Hwy I-80. 670 Comment
  SEINET3885526  Chlorogalum angustifolium Lewis S. Rose 1971-6-10 71074 Placer Lincoln.; 0 49 Comment
  UCR233238  Chlorogalum pomeridianum var. pomeridianum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17694 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  CDA36755  Chondrilla juncea D. B. Joley 1970-8-6 20 Placer Loomis Comment
  CDA36758  Chondrilla juncea D. B. Joley 1976-4-22 14 Placer Loomis area. 0 Comment
  SEINET13331376 Image available Chondrilla juncea P. C. Martinelli, A. L. Rivers, R. Uriarte 1965-10-29 s.n. Placer Horseshoe Bar Road, Folsom Lake Comment
  CAS-BOT-BC252657  Chorizanthe membranacea G. L. Stebbins 1978-5-28 7883 Placer West side of Big Crater 1280 Comment
  UCD110125  Chrysolepis sempervirens Beecher Crampton 1972-9-28 8883 Placer ca. 1 mile east of Baxter. Comment
  SEINET7450580 Image available Chrysopsis breweri J. Day, C Jacobs, J Sulman 2004-9-2 NV 030 -030 Placer Forest Road 3 at Barker Pass At Ellis Peak Trailhead 2382 Comment
  POM352123  Cichorium intybus Wm Martin 1971-9-10 20206 Placer Vicinity of Applegate, 7 miles E of Auburn. Comment
  SACT000749  Cinna latifolia D. Meyer 1984-7-29 Placer 1661.0 Comment
  UCD59792  Cinna latifolia L. S. Smith 1915-8-15 s. n. Placer Deer Creek, Lake Tahoe, Squaw Valley. Comment
  CHSC11105  Circaea alpina subsp. pacifica Lowell Ahart 1969-7-30 Placer Near Ahart Camp, French Meadows. 1524 Comment
  CAS-BOT-BC289612  Cirsium andersonii Mary P. Wells 1980-9-12 s.n. Placer West of Pioneer Way Tahoe City 1981 Comment
  SEINET7451074 Image available Cirsium andersonii P. A. Lehenbauer 1933-8-6 3177 Placer Lake Tahoe near Homewood Comment
  JEPS126427  Cirsium arvense Steve Matson 2003-9-6 957 Placer nSHN; Truckee River Watershed, 5 air miles west of Tahoe City; Alpine Meadows ski area' base of Kangaroo lift near buildings. Comment
  SD234291  Cirsium occidentale var. californicum G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12200 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp. 963 Comment
  CAS-BOT-BC439028  Cistanthe monosperma Miss. H. A. Walker 1908-6-23 1207 Placer Blue Canon [Canyon] Station, in the Sierra Nevada 1470 Comment
  CAS-BOT-BC228715  Cistanthe umbellata Geo. B. Grant 1906-7-15 7027 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC228892  Cistanthe umbellata E. R. Blakley 1960-9-4 3823 Placer Hill one mile north of Carnelian Bay, Lake Tahoe 2072 Comment
  CAS-BOT-BC163553  Clarkia arcuata C. L. Hitchcock 1940-5-15 6410 Placer 6 miles north of Colfax Comment
  RSA25331  Clarkia arcuata C. L. Hitchcock 1940-5-15 6410 Placer 6 miles N of Colfax Comment
  CHSC98934  Clarkia biloba subsp. brandegeeae Samantha Mackey Hillaire 2007-6-23 1249 Placer North of Colfax, west side of Hwy I-80, north and south of Long Ravine railroad. Along Bad Rock road. Plants on roadsides and pullouts. 670 Comment
  CHSC98935  Clarkia biloba subsp. brandegeeae Samantha Mackey Hillaire 2007-6-7 1247 Placer North of Colfax, east side Hwy I-80, south of the Long Ravine railroad trestle. Between I-80 and the frontage road to the east. 658 Comment
  UCD147101  Clarkia biloba subsp. brandegeeae Chuck Hughes 2013-6-6 385 Placer Near margin of Camp Far West Reservoir. 6 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
  UCR193296  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2007-5-30 12179 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  POM260291  Clarkia gracilis subsp. gracilis C. L. Hitchcock 1940-5-14 6393 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  CAS-BOT-BC163363  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-6-11 8772 Placer Sacramento Valley, 1 mi. No. of Lincoln 45 Comment
  UC422824  Clarkia rhomboidea Milo S. Baker 1904-7-7 Placer Fallen Leaf Lake Comment
  UCD105047  Clarkia unguiculata H. T. Hartmann 1941-6-21 s.n. Placer Near Auburn. 243 Comment
  CAS-BOT-BC451736  Claytonia lanceolata Betty H. Jorgensen 1944-6-24 490 Placer Cascade Lakes about 6 miles S.W. of Soda Springs Comment
  UCD100688  Claytonia parviflora subsp. parviflora Eric S. Nagy 1990-6-2 27 Placer Bridlevail Falls, Rt. 50. Comment
  UCR250649  Claytonia perfoliata subsp. mexicana George K. Helmkamp, Mary Alice Barnes 2013-4-18 20375 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  SCFS5106  Claytonia rubra F. Felix, Erica Krimmel 2013-5-19 3 Placer North Fork American River, 0.1 mile east of Heath Falls overlook, on trail Comment
  SBBG69764  Claytonia rubra subsp. rubra M. N. Ackley -Jun-1925 783 Placer Gold Run 983 Comment
  UC192272  Claytonia rubra subsp. rubra C. F. Sonne Aug 1883 Placer Head of Donner Lake Comment
  CDA15319  Cleome serrulata R. Kerr 1998-9-16 s.n. Placer Sierra Nevada; Corner of Hwy 267 and Airport Rd. near Truckee. 1798 Comment
  POM49315  Collinsia parviflora Marcus E. Jones 1882-6-27 3293 Placer Emigrant Gap. Comment
  RSA21254  Collinsia sparsiflora var. collina Carl B. Wolf 1937-3-30 8368 Placer Sacramento Valley, 6 miles N of Roseville on road to Lincoln. 49 Comment
  POM49312  Collinsia tinctoria Marcus E. Jones 1882-7-3 3433 Placer Colfax. 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
  SEINET5796622 Image available Collinsia tinctoria Marcus E. Jones 1882-1 Placer Colfax; 39.10073 -120.953276 Comment
  UCD123537  Collinsia tinctoria G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10713 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area northeast of Auburn on Forest Hill Divide). 487 Comment
  HSC20610  Collinsia torreyi R. G. Means 1962-6-28 50 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  JEPS7270  Collinsia torreyi var. brevicarinata L. S. Smith 1925-6-23 1645 Placer Blackwood Canyon; Tahoe Forest 1981 Comment
  JEPS72695  Collinsia torreyi var. wrightii Gladys L. Smith 1972-6-18 3167 Placer Alpine Meadows 2072 Comment
  UCD21866  Collinsia torreyi var. wrightii Rex Palmer 1979-6-19 N 211 Placer Headwaters basin area of the North Fork of the American River 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
  POM146292  Collomia grandiflora J. B. Feudge 1927-7-18 1741 Placer Emigrant Gap. 1524 Comment
  POM303022  Collomia grandiflora L. S. Rose 1944-7-21 44211 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  RSA411137  Collomia grandiflora L. S. Rose 1937-7-29 37611 Placer Tahoe Vista 1905 Comment
  SCFS1100  Collomia grandiflora E. Krimmel 2013-6-13 Placer NFAm. Cedars full trail. Land of the Lost. Comment
  UCR229543  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2011-7-26 17865 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
  UCD43075  Collomia linearis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 443 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  RSA795082  Collomia tinctoria George K. Helmkamp, E. A. Helmkamp 2011-8-26 18169 Placer along Forest Hill Road, 0.4 miles west of Robinson Flat. 2041 Comment
  JEPS127488  Convolvulus arvensis Steve Matson 2002-7-9 475 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, along dirt road east of Martis Creek. Comment
  UCR257639  Conyza canadensis George K. Helmkamp, Elizabeth Helmkamp 2012-10-13 20017 Placer Sacramento Valley, Granite Bay, Folsom Lake; Park Road 1.8 miles north of the east end of Douglas Blvd. 146 Comment
  CDA16042  Corallorhiza striata G. F. Hrusa, J. Glazner 2000-9-3 15671 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UC1032457  Cordylanthus tenuis subsp. tenuis B. Bolt 1934-7-23 163 Placer nw Damascus (end of travelled road from Westville); Tahoe National Forest, Colfax Quadrangle, N. Fk of American 1463 Comment
  UC66022  Cordylanthus tenuis subsp. tenuis P. B. Kennedy and S. B. Doten 1901-8-6 244 Placer summit Soda Springs Comment
  UCR209743  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15424 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  JEPS86720  Cordylanthus tenuis subsp. tenuis Kristin Berry 1987-7-11 Placer 100 yd n Squaw Creek; Shirley Canyon Comment
  HSC97884  Cornus nuttallii Barbara Babbe 1977-5-30 33 Placer 19.3 mi. E of Forest Hill on Mosquito Ridge Rd. Comment
  UCD117158  Cornus nuttallii Eric Brenner; John Hunter 1996-5-26 019 Placer Along road to Big Trees, Mosquito Ridge Rd., Tahoe National Forest. 1750 Comment
  UCD14940  Cornus nuttallii Mary Hill 1977-5-30 34 A Placer California, Placer Co.; 18 miles southeast from Foresthill along Mosquito Ridge Road; 1219 Comment
  UCD15007  Cornus nuttallii Jonathan M. Irvine 1977-5-30 701 Placer 14.4 miles east of Forest Hills, along Mosquito Ridge Road; 1011 Comment
  UCSB50194  Cornus nuttallii Gray, John 1976-5-16 Placer On Mosquito Ridge Road; 12 miles east of Forest Hills; T 14N, R 12E, Sec. 30, NW 1/4 975 Comment
Read comments
Nov 9 2015
  CDA12394  Cornus sericea G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8522 A Placer Lake Tahoe; N side of Ward Valley, 4 mi SW Tahoe City. Comment
  SEINET12137565  Cornus sericea J. H. Nishida 1985-1 773 Placer Homewood 1829 Comment
  UCD117335  Cornus sericea subsp. sericea G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12632 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCD22323  Cornus sericea subsp. sericea Rex Palmer 1979-6-20 N 315 Placer Headwaters basin area of the North Fork of the American River Comment
  SD43764  Cornus sessilis Darley F. Howe 1948-5-22 1924 Placer 1220 Comment
  CHSC40074  Corydalis caseana subsp. caseana C. F. Sonne 1895-7-1 Placer Sierra Nevada Mountains. Ravine on Truckee River. Comment
  UCD72956  Corydalis caseana subsp. caseana Albert Grigarick 2008-6-17 15 Placer Vicinity of Cabin Creek Rd., west of Hwy. 89, SE of Donner Lake. Driving directions: Int. 80 east to Hwy. 89 south to Cabin Creek Rd.; rt. turn on paved road and continue to 1st left turn on dirt road; stay left for 0.6 mi.; first turn off to left after crossing Cabin Crk. 1908 Comment
  SEINET8194500  Crassula erecta H. N. Mozingo 1977-3-19 77 -3 Placer Sierra Nevada, Auburn, 2 miles S, near junction of North and Middle Forks, American River; hillside along North Fork, W side of river above bridge 274 Comment
  JEPS126418  Crepis capillaris Steve Matson 2002-7-5 558 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on north side of pond near Highway 28. Comment
  CAS-BOT-BC291525  Crepis intermedia Alice Eastwood 1909-1-1 57 Placer Sunnyside, Lake Tahoe Region Comment
  UC895336  Crepis occidentalis Marcus E. Jones, A. M. 1882-6-30 2784 Placer Emigrant Gap Comment
  CAS-BOT-BC290733  Crepis occidentalis subsp. conjuncta Dr. A. Kellogg 1870-6-18 s.n. Placer Camp Yuba - Cisco Comment
  POM17651  Crepis pleurocarpa Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SEINET9325490  Crepis pleurocarpa Unknown 1999-7-17 15143 Placer Placer Comment
  CHSC117461  Crypsis alopecuroides B. Castro; Jessica Boyt 2013-9-11 1999 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
  UCD163428  Crypsis schoenoides Robert E. Preston 2015-6-15 3005 Placer 1.7 mi SE of Sheridan, 0.4 mi E of Old Hwy 65, 0.1 mi N of Yankee Slough. 31 Comment
  UCD22117  Cryptantha Rex Palmer 1979-6-6 N 125 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS103425  Cryptantha affinis Lowell Ahart 2002-7-22 9880 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  JEPS71506  Cryptantha affinis Gladys L. Smith 1972-6-18 3166 Placer Alpine Meadows 2072 Comment
  UC78514 Image available Cryptantha affinis C. F. Sonne 1886-7-4 Placer Truckee River Sierra Nevada Mountains Comment
  JEPS111164  Cryptantha echinella Steve Matson 2005-7-16 1396 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
  SD62073  Cryptantha flaccida Darley F. Howe 1965-5-20 4056 Placer 3.5 miles north of Auburn 455 Comment
  JEPS71660  Cryptantha humilis Gladys L. Smith 1972-6-20 3211 Placer about terminus of summit chairlift Ward Peak 2621 Comment
  JEPS126397  Cryptantha simulans Steve Matson 1997-8-17 810 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course along trails. Comment
  UCD75697  Cryptantha watsonii Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5146 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
  UCD34171  Cuscuta brachycalyx Beecher Crampton 1977-7-2 9512 Placer 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  UC205124  Cuscuta californica Katharine Brandegee Aug 1917 Placer Cisco Comment
  UC879491  Cuscuta californica P. A. Lebenbauer 1934-7-8 Placer Cisco 2133 Comment
  CDA5327  Cyclospermum leptophyllum Dosch 1943-7-6 Placer Roseville. 0 Comment
  SACT000820  Cynodon dactylon Josephine Van Ess 1976-7-28 Placer Collected on Wallerga Road. Dry Creek. Streambank. 27.4 Comment
  SACT000827  Cynodon dactylon D. Meyer 1984-5-28 Placer Next to orchard. 206.0 Comment
  UCD163427  Cynodon dactylon Robert E. Preston 2015-6-15 3004 Placer 1.7 mi SE of Sheridan, 0.4 mi E of Old Hwy 65, 0.1 mi N of Yankee Slough. 31 Comment
  SD260155  Cynosurus echinatus George K. Helmkamp, Mary Alice Barnes 2015-5-3 20478 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92a^z) of Foresthill (Forest Hill 7.5'Q) 829 Comment
  UCD18376  Cyperus bipartitus DeWayne Gilbert 1976-1 s.n. Placer Exact location unknown. Comment
  CAS-BOT-BC114548  Cyperus eragrostis K. L. Chambers 1982-6-26 4981 Placer Hwy 65, 1.5 mi N. of RR overpass just N of Roseville. Comment
  SACT000872  Dactylis glomerata D. Meyer 1983-8-20 Placer Moist roadside meadow some revegetation following residential construction. 2000.0 Comment
  UCD60281  Dactylis glomerata Eric S. Nagy 1990-6-2 23 Placer Bridalveil Falls, Rt. 50. Comment
  CAS-BOT-BC445491  Damasonium californicum Carl B. Wolf 1937-5-12 8625 Placer Sacramento Valley, 1 mi. No. of Lincoln. 45 Comment
  CAS-BOT-BC189859  Danthonia californica Beecher Crampton 1956-7-17 3731 Placer 1.3 mile north of Blue Canyon. 1524 Comment
  SACT000882  Danthonia californica D. Meyer 1984-7-8 Placer 0.4 km from I80, exposed hillside, east facing slope. 1290.0 Comment
  SCFS1193  Dasiphora fruticosa E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. Meadow with pines past Bailey, on river trail. Comment
  UCR249604  Daucus carota George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20825 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  UCR250142  Daucus carota George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20815 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UC467716  Delphinium andersonii Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC8988  Delphinium depauperatum F. Almeda 1993-7-24 7259 Placer About 15 miles SE of Interstate Hwy. 80 at Soda Springs on trail to Upper Sheep Valley 2133 Comment
  UCD44480  Delphinium glaucum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1846 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC8825  Delphinium gracilentum Miss Francis Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CAS-BOT-BC8779  Delphinium gracilentum L. S. Smith 1925-6-3 1619 Placer Below Yankee Jim, Forest Hill Divide Tahoe National Forest 762 Comment
  CAS-BOT-BC116092  Delphinium nuttallianum Alice Eastwood 1909-1-1 54 Placer Lake Tahoe region, Sunnyside. Comment
  JEPS111252  Delphinium nuttallianum Steve Matson 2005-6-12 1265 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; close to fenceline; 39.2944 N, 120.1240 W; Elevation 5880 ft. 1792 Comment
  POM121520  Delphinium nuttallianum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  UC1125981  Delphinium nuttallianum N. French 1934-5-24 364 Placer N. Fork of N. Fork American River Tahoe National Forest, Colfax Quadrangle Comment
  UCD22187  Delphinium nuttallianum Rex Palmer 1979-6-9 N 166 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD96146  Delphinium nuttallianum G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12060 Placer Northern Sierra Nevada Mountains: Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville. 1576 Comment
  CAS-BOT-BC116439  Delphinium patens subsp. patens Lillian S. Mott 1965-5-23 6578 Placer Near Foresthill Comment
  SEINET5338071  Delphinium sonnei A. A. Heller 1909-7-16 9856 Placer Summit 2134 Comment
  UC467786  Delphinium variegatum subsp. variegatum Francis Ramaley 1917-4-24 11141 Placer wooded hills Auburn Comment
  CAS-BOT-BC82863  Dendromecon rigida Noel F. Sommer 1954-5-19 98 Placer Beside U.S. Highway 40, 2.1 miles east of Colfax. 914 Comment
  UCD14363  Dendromecon rigida Bif Soper 1983-5-28 21 Placer 1.5 miles west of the North Fork of the Middle Fork of the American River; 914 Comment
  OBI22301  Deschampsia cespitosa Robert F. Hoover 1967-9-7 10859 Placer Antone Meadow Comment
  SACT000906  Deschampsia cespitosa D. Meyer 1984-7-15 Placer 1909.0 Comment
  SACT000907  Deschampsia cespitosa Michael Baad 1976-8-7 Placer 2072.0 Comment
  UCD43363  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 731 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD75729  Deschampsia cespitosa Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5168 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail between creek and trail. 2136 Comment
  CAS-BOT-BC198145  Deschampsia danthonioides L. R. Abrams 1935-4-20 13684 Placer Roseville, Sacramento Valley 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
  UCSB46173  Deschampsia danthonioides Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65 Comment
  SACT000934  Deschampsia elongata Michael Baad 1983-8-27 Placer On trail between lakes. 2072.64 Comment
  SACT000943  Deschampsia elongata D. Meyer 1983-8-7 Placer 1879.0 Comment
  SACT000944  Deschampsia elongata D. Meyer 1983-8-7 Placer East bank of river 1879.0 Comment
  SACT000948  Deschampsia elongata D. Meyer 1984-7-8 Placer At Lakeside. 1758.0 Comment
  SACT000954  Deschampsia elongata D. Meyer 1983-8-20 Placer From road to summit off trail at first lake. Steep rocky trail with moist meadow areas. 2000.0 Comment
  SACT000958  Deschampsia elongata D. Meyer 1984-6-10 Placer 436.0 Comment
  UCD36665  Deschampsia elongata Beecher Crampton 1955-6-15 2898 Placer Placer County, Shirttail Canyon, 5.5 miles west of Iowa Hill. Comment
  CDA15669  Descurainia californica G. F. Hrusa, J. Glazner 1999-7-18 15216 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD42841  Descurainia incana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 207 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC855978  Descurainia incisa subsp. incisa A. A. Heller 1917-8-13 12911 Placer near Summit hotel 2133 Comment
  CAS-BOT-BC43029  Descurainia incisa subsp. incisa Peter Rubtzoff 1976-9-19 8877 Placer Sierra Nevada. Lake Van Norden. 2063 Comment
  JEPS111265  Dianthus armeria subsp. armeria Steve Matson 2005-9-11 1523 Placer Tahoe Basin, North Shore, Snow Creek Watershed, Kings Beach. Along Pine Nut Ave. 39.2471 N, 120.0388 W ; elevation 6360 ft. 1938 Comment
  SBBG70211  Dicentra formosa M. N. Ackley -Jun-1925 362 Placer Dutch Flat 1033 Comment
  UC1126525  Dicentra formosa N. French 1934-5-31 385 Placer 0.5 mi e Texas Hill; Tahoe National Forest, Colfax Quad. 1584 Comment
  UCD95498  Dicentra formosa Eric Brenner; John Hunter 1996-5-26 020 Placer Tahoe National Forest. Mosquito Ridge Road. 1080 Comment
  UCR207861  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14568 Placer Sierra Nevada Mountains Foothills, town of Foresthill, along Forest Hill Road 988 Comment
  UCR208544  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14672 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  SEINET5339615  Dicentra formosa subsp. nevadensis B. M. Cunningham 1960-5-6 s.n. Placer At the Monte Viste Inn on highway 0. 1524 Comment
  SEINET5339625  Dicentra uniflora P. A. Lehenbauer 1931-4-22 1494 Placer Above Carnelian Bay. Comment
  UC1585960  Dichelostemma capitatum Barbara Ertter with David Thompson 1989-4-8 8150 Placer near Auburn State Recreation Area entrance (Iowa Creek Road, ca 2 mi from I-80) 518 Comment
  RSA0035848  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20348 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCD139197  Dichelostemma capitatum subsp. capitatum Craig P. Martz 1982-3-26 38 Placer west side of Sierra College Blvd., 1.1 miles south of English Colony Rd. intersection. 170 Comment
  SEINET8472326  Dichelostemma capitatum subsp. capitatum H. R. Holbo 1961-3-18 s.n. Placer Hwy 49 at North Fork of American River. 457 Comment
  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
  CAS-BOT-BC483254  Dichelostemma capitatum subsp. pauciflorum G. Earnhart 1961-3-18 3 Placer 2 1/2 miles east of Auburn , north fork of American River 396 Comment
  RSA670112  Dichelostemma multiflorum Regina Putman 1997-4-19 4 Placer City of Rocklin, in grassy field north of Toys-R-Us. About 10 meters north of Toys-R-Us parking lot and 100 meters west of end of Five Star Boulevard. 67 Comment
  UC1133984  Dichelostemma multiflorum G. T. Nordstrom 1934-6-21 152 Placer 0.4 mi w by nw Mammoth Springs; Colfax Quad. 1706 Comment
  UC147599  Dichelostemma multiflorum Harriet A. Walker 1908-6-24 1276 Placer Blue Canyon 1432 Comment
  SD257113  Dichelostemma volubile George K. Helmkamp, Amy Barnes 2014-4-23 22785 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River (Auburn 7.5'Q) 289 Comment
  UCR257101  Dichelostemma volubile George K. Helmkamp, Amy Barnes 2014-4-23 22785 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
  CAS-BOT-BC150475  Diplacus grandiflorus Saichi Kawahara 1969-5-24 822 Placer Slope overlooking the American River, Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  CAS-BOT-BC150480  Diplacus grandiflorus G. L. Stebbins, Jr. 1952-6-22 5093 Placer 2 miles southeast of Colfax. Along American River north of bridge on road to Iowa Hill 350 Comment
  SBBG128856  Diplacus mephiticus G. K. Helmkamp, E. A. Helmkamp 2010-7-28 16679 Placer Forest Hill Rd, 1.8 mi E of Forest Route 13/American Hill Rd 1662 Comment
  CAS-BOT-BC257791  Diplacus torreyi George K. Helmkamp; E. A. Helmkamp 2010-7-28 16679 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road 1662 Comment
  CAS-BOT-BC208627  Distichlis spicata Beecher Crampton 1957-7-17 3721 Placer Along the railroad, Blue Canyon. 1432 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
  SEINET8564085  Dodecatheon A. Beninghoff 1930-3-15 2585 Placer 5 miles E of Lincoln. Comment
  HSC34456  Dodecatheon alpinum A. M. Montalvo, J. D. Ackerman 1974-7-20 388 Placer Alpine meadows Ski Area W of Deer Park and Hwy. 89 2134 Comment
  LA83368  Dodecatheon alpinum O. H. Kappler; 1946-7-18 sn Placer Homewood, W shore, Lake Tahoe 1920 Comment
  SEINET8561467  Dodecatheon clevelandii subsp. patulum A. Beninghoff 1930-3-18 2586 Placer 5 miles E of Lincoln. Comment
  SEINET8561719  Dodecatheon hansenii M. J. Demorest 1962-3-15 s.n. Placer Junction of the N and Middle Forks of the American River, 4 miles from Auburn, above dirt road on hillside. 274 Comment
  UC1561214  Dodecatheon hendersonii Barbara Ertter with David Thompson 1989-4-9 8179 Placer ca 5 air mi nw Foresthill (Shirttail Canyon Road 2.4 mi from Dipper Road); nw of Forestville, Shirttail Canyon Road 609 Comment
  RSA518788  Dodecatheon hendersonii Barbara J. Ertter, David M. Thompson 1989-4-9 8184 Placer Spring Garden Rd 0.8 mi NE of Foreshill-Auburn rd., ca 4 air mi. W of Foresthill; roadside bank in conifer forest. 671 Comment
  RSA18624  Downingia bicornuta C. B. Wolf 1937-5-12 8623 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  RSA389176  Downingia bicornuta C. B. Wolf 1937-5-12 8623 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  JEPS53521  Draba novolympica C. F. Sonne 1897-7-18 Placer Tinkers Knob 2743 Comment
  UC1035889  Drosera rotundifolia Annie M. Alexander and Louise Kellogg 1946-8-20 5163 Placer Squaw Valley Sierra Nevada, Lake Tahoe region Comment
  CAS-BOT-BC401540  Drosera rotundifolia L. S. Smith 1926-6-23 1978 Placer Tahoe National Forest. Squaw Valley Bog 1889 Comment
  UCD43200  Drymocallis glandulosa var. glandulosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 569 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  LA29326  Drymocallis glandulosa var. reflexa Mary V. Hood; 1948-7-20 48- 27 k* Placer Sugar Bowl Lodge, Nordon Comment
  SEINET6691346  Drymocallis hansenii P. B. Kennedy, S. B. Doten 1901-8-18 417 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  UC481575  Drymocallis lactea var. austiniae G. W. Fetters 1929-6-14 Placer in sand near lakeshore (Pomin's); Lake Tahoe, Pomin's Comment
  CAS-BOT-BC113797  Dulichium arundinaceum L. S. Smith 1925-9-24 1738 Placer Jew Boy Range north of Cisco 1676 Comment
  SACT001040  Echinochloa crus-galli Josephine Van Ess 1976-8-16 Placer Moist rocky bank. 206.0 Comment
  SACT001037  Echinochloa crus-galli var. zelayensis Josephine Van Ess 1976-7-28 Placer Collected about .25 mile west of Country Acres Lane. 21.3 Comment
  SACT001036  Echinochloa crus-galli var. zelayensis Josephine Van Ess 1976-8-4 Placer Collected .25 mile north of route. Pear orchard weed. 365.8 Comment
  UCD61168  Echinochloa oryzicola Joel Kitzmiller 1976-6-24 Placer Pleasant Grove. Comment
  CAS-BOT-BC113378  Eleocharis engelmannii A. A. Heller 1917-8-12 12874 Placer Southern Pacific reservoir W of Emigrant Gap. Comment
  CHSC81832  Eleocharis engelmannii Lowell Ahart 2001-10-10 9352 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  CAS-BOT-BC112912  Eleocharis macrostachya Saichi Kawaha 1969-7-6 1432 Placer Swing near old cabin, east bank of Indian Creek, Mel Henderson Ranch. 999 Comment
  POM292582  Eleocharis palustris Lyman Benson 1932-7-31 4015 Placer Donner Lake. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  UC1925817  Elodea nuttallii David Keil, Kathleen A. Keil 1999-7-17 28379 Placer Along N Fork of Cosumnes River at Lilltle Canyon Road ford Comment
  UCD22217  Elymus elymoides Rex Palmer 1979-7-26 N 849 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD75743  Elymus elymoides Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5207 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  SACT001069  Elymus elymoides J. Sitts 1983-8-11 Placer Above tree line. Comment
  CHSC67735  Elymus elymoides subsp. elymoides James D. Jokerst 1986-7-13 2728 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  SEINET4134789  Elymus elymoides subsp. elymoides A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax.; 0 762 Comment
  SACT001106  Elymus glaucus Michael Baad 1983-7-23 Placer Next to stream, along southwest side of Highway 267, approximately 6 miles southeast of Truckee. 2316.0 Comment
  SACT001107  Elymus glaucus Michael Baad 1983-7-23 Placer 1828.0 Comment
  SACT001133  Elymus glaucus Michael Baad 1977-6-21 Placer 685.0 Comment
  SACT001134  Elymus glaucus Michael Baad 1977-6-21 Placer 685.0 Comment
  SACT001144  Elymus glaucus D. Meyer 1983-7-24 Placer Moist, shady roadside 1036.32 Comment
  UCR229545  Elymus glaucus subsp. glaucus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17863 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
  SACT001138  Elymus glaucus subsp. jepsonii D. Meyer 1984-6-23 Placer Along Placer County-Nevada County line. Shady moist soil next to concrete river bypass canal. 594.0 Comment
  SACT001143  Elymus glaucus subsp. jepsonii D. Meyer 1984-8-4 Placer 9.6 km north of Hell Hole overlooking French Meadows. 1879.0 Comment
  SEINET12748558  Elymus glaucus var. glaucus C. Casebolt 1965-10-10 s.n. Placer Squaw Valley. 2134 Comment
  UCR240907  Elymus glaucus var. glaucus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19229 A Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  UCR249605  Elymus glaucus var. glaucus George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20834 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  UCD37110  Elymus multisetus Beecher Crampton 1957-5-7 3979 Placer 3.2 miles N of Roseville, along railroad and U.S. Highway 99E. Comment
  UCD62477  Elymus multisetus Beecher Crampton 1961-9-27 6014 Placer 1 mile west of Cisco Grove. 1706 Comment
  SACT001148  Elymus sierrae Michael Baad 1976-7-21 Placer Ridge at the tree line west north west of Lyon Peak and north-facing slope at crest of Lyon Peak, cinders and basaltic boulders. 10 miles southeast of Soda Springs. 2377.0 Comment
  UCD62612  Elymus stebbinsii subsp. septentrionalis B. Bolt 1934-7-3 71 Placer Top of Sawtooth Ridge. 1219 Comment
  SEINET7293676 Image available Elymus trachycaulus subsp. subsecundus Beecher Crampton 1955-1 2895 Placer Slopes of Shirttail Canyon, 6.5 miles west of Iowa Hill. Comment
  UCD44628  Elymus trachycaulus subsp. trachycaulus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1994 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SACT001154  Elymus triticoides D. Meyer 1983-7-30 Placer Campground along Truckee river. 1853.18 Comment
  UCR231878  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2010-10-16 17032 Placer Northern Sierra Nevada Mountains Foothills, Sugar Pine Road at the southwest corner of Sugar Pine Reservoir near the dam 1128 Comment
  CAS-BOT-BC171968  Epilobium canum subsp. latifolium Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CAS-BOT-BC171970  Epilobium canum subsp. latifolium A. A. Heller 1917-8-13 12899 Placer Base of a cliff north of Summit Hotel 2164 Comment
  JEPS14028  Epilobium canum subsp. latifolium Rimo Bacigalupi,with G. L. Stebbins, D. Zohary, J. Hunziker, F. Ehrendorfer, A. Hawkes, & H. Stutz 1952-7-19 3859 Placer rock outcropping just above torrent of main stream (below Cape Horn sta. on S.P.R.R., 1/2 mi above bridge on Colfax-Iowa Hill rd); North Fork of American River 381 Comment
  UC20682  Epilobium canum subsp. latifolium Mrs. M. M. Hardy 1893-1 Placer Comment
  JEPS111215  Epilobium ciliatum Steve Matson 2005-7-10 1386 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and north of Martis Creek, 300 meters NW of parking area; 39.3021 N, 120.1342 W: elevation 5,840 ft. 1780 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
  UCD75765  Epilobium ciliatum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5236 a 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
  CHSC74107  Epilobium ciliatum subsp. glandulosum Susi Urie 1998-8-13 98 -030 Placer Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD44519  Epilobium ciliatum subsp. glandulosum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1885 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CDA25021  Epilobium densiflorum J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Moist area betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCR240961  Epilobium glaberrimum subsp. glaberrimum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19912 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
  CHSC74108  Epilobium hallianum Susi Urie 1998-8-11 98 -002 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  UCD42811  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 177 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43100  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 468 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43332  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 700 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC422825  Epilobium hallianum H. M. Hall July 1910 8748 Placer Soda Springs of the Yuba Sierra Nevada Mountains 2042 Comment
  UCR148825  Epilobium obcordatum G. Fred Hrusa, J. Glazner 2001-7-15 15949 Placer Northern Sierra Nevada Mountains, Near summit of Crows Nest Peak, immediately west of Sugarbowl 2378 Comment
  UCD150700  Epilobium oregonense James A. Neilson Jr. 1970-8-26 1822 Placer Tahoe Basin, Ward Creek, plot 18. Comment
  UCD75768  Epilobium oregonense Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5240 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  CHSC43305  Equisetum arvense Lowell Ahart 1964-7-3 11 Placer In the middle of the Middle Fork of the American River, about 1 1/2 miles north of Ahart Camp, about 2 miles north of French Meadows Reservoir. 1676 Comment
  UCSC003236  Equisetum hyemale subsp. affine Randall Morgan 2005-5-30 s.n. Placer On sand dune, shore of Lake Tahoe, Tahoe Vista. Lake Tahoe, Tahoe Vista Comment
  UCSC003237  Equisetum hyemale subsp. affine Unknown 1981-8-21 281 Placer On sand dune, shore of Lake Tahoe, Tahoe Vista. Lake Tahoe, Tahoe Vista 1890 Comment
  RSA436023  Eremocarpus setiger Wm. Martin 1971-9-10 20201 Placer 8 miles E of Auburn on the road to Applegate on Hwy. 80. Comment
  JEPS52485  Eremocarpus setiger W. L. Jepson 1924-7-18 10601 Placer near Lincoln Comment
  CAS-BOT-BC174097  Eremogone aculeata John Thomas Howell 1943-7-21 18675 Placer Mt. Lincoln Comment
  JEPS126426  Eremogone congesta var. congesta Steve Matson 1998-6-21 271 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters north of Highway 267. Comment
  UCD98127  Eremogone congesta var. suffrutescens G. L. Stebbins Jr. 1970-7-19 7069 Placer along ridge southwest of Duncan Peak Lookout. 2011 Comment
  UCR209737  Ericameria George K. Helmkamp, E. A. Helmkamp 2009-8-12 15428 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  UCD131325  Ericameria bloomeri Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer Sunnyside on west shore of Lake Tahoe. 1889 Comment
  UC197389  Ericameria suffruticosa C. F. Sonne 1894-9-2 Placer <High Mts.?> near Summit Station 2438 Comment
  POM35850  Erigeron barbellulatus Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak Comment
  UC197372  Erigeron barbellulatus C. F. Sonne 1886-7-18 Placer Head of Canon on Truckee River Truckee River, Head of Canon Comment
  UC71912  Erigeron coulteri C. J. Fox Jr. 1895-1-1 Placer Deer Park Inn Comment
  UC65327  Erigeron coulteri P. B. Kennedy and S. B. Doten 1901-8-9 260 Placer summit Soda Springs Comment
  UC201316  Erigeron foliosus var. hartwegii A. A. Heller 1917-6-19 12749 Placer hills between Lincoln and Newcastle Comment
  CAS-BOT-BC300814  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12916 Placer Ridge northwest of Donner Pass 2377 Comment
  CAS-BOT-BC300817  Erigeron glacialis var. glacialis F. Almeda 1993-7-24 7256 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CAS-BOT-BC300823  Erigeron glacialis var. glacialis H. M. Hall 1910-7-11 8754 Placer Sierra Nevada Mountains. Near Cisco 1859 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
  UC195955  Erigeron glacialis var. glacialis C. F. Sonne 1885-7-12 Placer mts. above Kneeland's Mill Comment
  CAS-BOT-BC295212  Erigeron inornatus Alice Eastwood 1909-1-1 269 Placer Lake Tahoe Region. Squaw Creek Comment
  UCD131345  Erigeron inornatus Beecher Crampton 1972-7-26 8844 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  JEPS126420  Erigeron inornatus var. inornatus Steve Matson 1998-8-15 371 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course. Comment
  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
  CAS-BOT-BC216229  Eriodictyon californicum Saichi Kawahara 1969-5-24 834 Placer Cape Horn, overlooking north fork of American River, Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  CHSC91621  Eriodictyon californicum M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 251 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  UC880695  Eriodictyon californicum C. L. Hitchcock 1940-5-14 6376 Placer ca 6 mi n Colfax (Meier Ranch); n of Colfax 762 Comment
  SEINET5495502  Eriodictyon californicum M. J. Williams 1984-6-24 84- 65 -2 Placer 0.3 miles in from HWY 20 on Bowman Lake Rd. 1524 Comment
  SCFS1159  Eriogonum E. Krimmel, F. Felix 2013-7-26 Placer NFAm. Swimming Hole Trail. Rocky overlook. Comment
  JEPS126263  Eriogonum elatum var. elatum Steve Matson 2000-7-6 470 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters north of Highway 267. Comment
  UC480709  Eriogonum incanum W. C. Blasdale 1923-7-13 Placer top of Ellis Peak Lake Tahoe Region, Ellis Peak Comment
  UCD22137  Eriogonum incanum Rex Palmer 1979-6-19 N 237 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC259349  Eriogonum lobbii A. A. Heller 1917-8-14 12923 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  SEINET3282809 Image available Eriogonum lobbii var. lobbii George K. Helmkamp, E. A. Helmkamp 2009-8-12 15445 Placer Northern Sierra Nevada Mountains; Forest Hill Road, 26.1 miles northeast of the city of Foresthill. 2020 Comment
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Aug 14 2014
  UC77526  Eriogonum marifolium C. F. Sonne 1888-7-1 Placer hills above Bear Valley; Sierra Nevada Mountains 2438 Comment
  CAS-BOT-BC264811  Eriogonum nudum var. deductum Marcus E. Jones 1882-6-29 3469 Placer Emigrant Gap Comment
  JEPS126332  Eriogonum nudum var. deductum Steve Matson 1997-7-9 73 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek near dirt roads and powerlines. Comment
  UC1035671  Eriogonum nudum var. deductum Kay H. Beach 1940-6-30 795 Placer 2 1/2 mi w Cisco (s side of Yuba River); Yuba River 1981 Comment
  SBBG48536  Eriogonum nudum var. nudum L. B. Towle 1974-7-12 Placer N of A.D.Hauser cabin, St Hwy 267, King's Beach, Lake Tahoe Comment
  UCR176259  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2006-8-11 11216 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  CHSC67681  Eriogonum ovalifolium var. purpureum James D. Jokerst 1986-7-13 2731 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  CAS-BOT-BC258137  Eriogonum prattenianum var. prattenianum G. L. Stebbins 1977-7-1 7735 Placer Above Middle Fork, American River, near Last Chance 1341 Comment
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Aug 6 2017
  CAS-BOT-BC269942  Eriogonum spergulinum var. reddingianum Alice Eastwood 1909-1-1 96 Placer Lake Tahoe Region. Sunnyside Comment
  CHSC73062  Eriogonum spergulinum var. reddingianum L. P. Janeway 1998-8-6 5985 Placer North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Lake Tahoe Basin Management Unit - National Forest meadow 216,218,219,222. Large, dry, open, gravelly area on the upslope side of the meadow. 1938 Comment
  CHSC91769  Eriogonum spergulinum var. reddingianum Frederic Hrusa; L. Serafini 1993-6-29 11258 Placer S side of French Meadows Reservoir immediately below dam. 1500 Comment
  POM308707  Eriogonum spergulinum var. reddingianum Betty J. Jorgensen 1944-7-2 514 Placer Along summit near Donner Pass. Comment
  UCD21943  Eriogonum umbellatum Beth Lowe Corbin 1982-8-4 240 Placer 1 1/2 miles NNW of Onion Creek campground. In rocky, fine, sandy soil. Talus slope. Flowers sulfur yellow with red lines on outside. Forming a loose mat at location. Full sun. East facing slope, 50% incline. Uncommon. 2286 Comment
  CAS-BOT-BC265148  Eriogonum umbellatum var. nevadense John H. Thomas; Hazelle A. Thomas 1956-7-21 6130 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  CAS-BOT-BC265156  Eriogonum umbellatum var. nevadense A. Roberts 1898-8-1 s.n. Placer Summit Soda Springs, Donner Cr. Comment
  CDA16813  Eriogonum umbellatum var. nevadense G. F. Hrusa, J. Glazner 2001-7-15 15952 Placer Sierra Nevada; Face of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  UC480711  Eriogonum umbellatum var. nevadense W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak Lake Tahoe Region, Ellis Peak Comment
  UCD101380  Eriogonum umbellatum var. nevadense Tamara Kan 1992-7-25 s.n. Placer east slope of Silver Peak in open habitat. 2316 Comment
  UCD101538  Eriogonum wrightii Beecher Crampton 1975-10-14 9329 Placer Emigrant Gap area on Hwy. 80 just east of Vista Point. 1524 Comment
  CDA16809  Eriogonum wrightii var. subscaposum G. F. Hrusa, J. Glazner 2001-7-15 15948 Placer Sierra Nevada; Near summit of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  SD212687  Eriogonum wrightii var. subscaposum G. K. Helmkamp, Elizabeth Helmkamp 2005-9-30 9935 Placer Northern High Sierra Mountains: Hampshire Rocks Road South of the I-80 Rainbow exit, circa 2 miles East of Cisco Grove. 1805 Comment
  SEINET11938419  Eriogonum wrightii var. trachygonum L. S. Rose 1938-1 38259 Placer South Fork of Yuba River, Cisco 1615 Comment
  UCD159461  Eriophyllum lanatum D. S. Park 2010-8-11 215 Placer Along Old Auburn Forest Rd. Common. 344 Comment
  CAS-BOT-BC301311  Eriophyllum lanatum var. croceum M. E. Jones 1882-6-27 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC301406  Eriophyllum lanatum var. grandiflorum L. S. Smith 1923-5-1 1829 Placer Tahoe National Forest. Forest Hill Divide 762 Comment
  UC31785  Eriophyllum lanatum var. grandiflorum C. F. Sonne 1891-5-17 17 Placer below Auburn; Sierra Nevada Mountains Comment
  UCD132211  Eriophyllum lanatum var. grandiflorum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10441 Placer Northern Sierra Nevada. Ca. 4 air miles NE of Auburn, along Forest Hill Road, 1.8 miles northeast of its junction with CA Hwy 49 at the middle fork of American River. 370 Comment
  UCR173263  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10426 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  CAS-BOT-BC301468  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-7-10 8753 Placer Sierra Nevada Mountains. Cisco Butte 1950 Comment
  CAS-BOT-BC308249  Eriophyllum lanatum var. integrifolium Elizabeth Parsons Hawver 1911-8-19 s.n. Placer Madden Creek, Ellis Peak Ridge, Lake Tahoe Region Comment
  JEPS111297  Eriophyllum lanatum var. integrifolium Steve Matson 2005-7-30 1423 Placer Squaw Valley ski area, about 1 km west of High Camp (top of tramway), under Shirley Canyon chairlift upper terminal: 39.1942 N, 120.2721 W ; elevation 8,100 ft. 2468 Comment
  UC480764  Eriophyllum lanatum var. integrifolium W. C. Blasdale 1923-7-13 Placer top Ellis Peak; Lake Tahoe region, Ellis Peak Comment
  JEPS113109  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
  UCD103013  Erodium botrys R. A. Blanchard 1931-5-9 2192 Placer Roseville. Comment
  UCR238600  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2012-3-31 18649 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  JEPS113114  Erodium brachycarpum Lowell Ahart, Brian Williams 2007-4-13 13649 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
  SEINET8565538  Erodium cicutarium F. Brunetti 1962-3-17 s.n. Placer At Auburn. 518 Comment
  SEINET8566747  Erodium cicutarium C. Aarstad, H. Mozingo 1979-4-1 s.n. Placer 0.5 mile E of junction of old and new Auburn-Forest Hills Road. 792 Comment
  SEINET5779527 Image available Eryngium pinnatisectum Marcus E. Jones 1882-1 3602 Placer Auburn Comment
  UC764564  Eryngium vaseyi R. F. Hoover 1938-7-30 3710 Placer 4 mi. e. Loomis Comment
  UCD22375  Erysimum capitatum Rex Palmer 1979-7-12 N 617 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA121677  Erysimum capitatum var. perenne N. H. French 1934-6-22 445 Placer 7/8 mile W. of Dulzura Lake. 2287 Comment
  UC1034896  Erysimum perenne G. B. Rossbach 1940-6-2 933 Placer gentle slope near nw shore Lake Tahoe 1981 Comment
  CHSC11052  Erythranthe cardinalis Lowell Ahart 1966-8-12 Placer French Meadows. 1676 Comment
  CHSC74001  Erythranthe microphylla Susie Urie 1998-9-1 98 -174 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  SEINET3991621  Erythronium californicum Unknown 1940-5-7 6310 Placer 1 mile west of Baxter. Comment
  CAS-BOT-BC505234  Erythronium grandiflorum anonymous 1870-6-8 s.n. Placer Unspecified Comment
  CAS-BOT-BC505237  Erythronium grandiflorum A. A. Heller 1917-6-17 12685 Placer Granite rocks near the Yuba river below Cisco 1676 Comment
  UC1533102  Erythronium purpurascens Jon Winter 1970-7 Placer Duncan Peak Lookout Station Tahoe Nat'l Forest 2189 Comment
  UCD14318  Erythronium purpurascens Sutton 1984-5-19 17 Placer 4 miles down Blue Canyon Road from Highway 80, 30 yards in from the east side of the road. 1371 Comment
  SEINET13276770 Image available Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2009-1 14557 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
  CAS-BOT-BC419537  Eschscholzia lobbii Gordon H. True 1971-4-9 6460 Placer Northern limits of Lincoln 48 Comment
  CHSC59767  Eschscholzia lobbii Dennis Morgosan 1975-4-12 16 Placer 4 miles southeast of Newcastle. 304 Comment
  CAS-BOT-BC419540  Eschscholzia lobbii Mrs. Brandegee 1879-1-1 s.n. Placer Auburn Comment
  CAS-BOT-BC310376  Eucephalus breweri J. F. Emmel 1968-7-25 101 Placer North slope of Donner Peak 2286 Comment
  UC1475021  Eucephalus breweri B. Bolt 1934-7-17 126 Placer 1/2 mi s of Lost Emigrant Mine; Truckee Quad. 2072 Comment
  UCD43193  Eucephalus breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 562 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET11261856  Euphorbia crenulata George Helmkamp, E. A. Helmkamp 2012-5-11 18943 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.2 miles N of its junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1104 Comment
  CHSC114304  Euphorbia epithymoides J. Honeycut 2010-6-25 Placer Tahoma; Hwy 89 right-of-way Comment
  CDA4835  Euphorbia marginata J. C. Henderson 1971-8-26 Placer Southern Pacific Railroad yards, Roseville. 0 Comment
  UC203811  Eurybia integrifolia A. A. Heller 1917-8-13 12906 Placer near Summit hotel 2133 Comment
  UC893025  Eurybia integrifolia Lewis S. Rose 1938-9-14 38264 Placer 3 mi e Cisco; South Fork of Yuba River 1737 Comment
  UC65317  Eurybia integrifolia P. B. Kennedy and S. B. Doten 1901-8-19 419 Placer 7 mi from French Meadows Comment
  CAS-BOT-BC312166  Eurybia radulina Leland S. Smith 1926-5-25 s.n. Placer Mosquito Ridge burnt area, Tahoe National Forest Comment
  UC1132683  Festuca N. French 1934-6-21 331 Placer 0.75 mi ne Palisade Lake; Truckee Quad. 2011 Comment
  UCR190919  Festuca arundinacea George K. Helmkamp, E. A. Helmkamp 2007-5-23 12070 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  UCD36650  Festuca elmeri Beecher Crampton 1955-6-15 2861 Placer 3 miles east of Weimar, head of Bunch Canyon, on Forest Hills Road, just off U.S. Highway 40. Comment
  SACT001175  Festuca pratensis D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  SACT001212  Festuca viridula Michael Baad 1983-8-27 Placer 2072.64 Comment
  CAS-BOT-BC447511  Fragaria virginiana var. platypetala Alice Eastwood 1912-6-15 402 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC53546  Frangula californica subsp. tomentella Catherine Best 1985-9-15 1147 Placer near Sugar Pine Reservoir about 6 miles north of Foresthill 1158 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-BC55701  Frangula rubra subsp. obtusissima A. A. Heller 1917-6-19 12736 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC55708  Frangula rubra subsp. obtusissima Carl B. Wolf 1930-10-11 1732 Placer W. slope Sierra Nevada. Baxter's Camp, 17 mi. above Colfax 1158 Comment
  RSA21255  Fritillaria agrestis Carl B. Wolf 1937-3-30 8369 Placer Sacramento Valley, 6 miles N of Roseville on road to Lincoln. 49 Comment
  CAS-BOT-BC504552  Fritillaria atropurpurea Alice Eastwood 1909-1-1 s.n. Placer Sunnyside, Lake Tahoe region Comment
  CAS-BOT-BC505324  Fritillaria micrantha Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CAS-BOT-BC504446  Fritillaria recurva Saichi Kawahara 1969-5-24 846 Placer Mel Henderson Ranch, Indian Creek 1005 Comment
  CHSC3140  Fuchsia hybrida Gary Dutton 1966-4-29 169 Placer Found 228 Donner Ave. Roseville. Comment
  UCD22287  Galium Rex Palmer 1979-5-27 N 49 Placer Headwaters basin area of the North Fork of the American River. Comment
  SCFS1021  Galium E. Krimmel 2013-7-28 Placer North Fork American River, trail to Heath Falls Overlook. Stop #1 Comment
  CDA36972  Galium aparine CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CHSC74120  Galium aparine Susi Urie 1998-8-17 98 -060 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 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
  SD241947  Galium bolanderi George K Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19808 Placer Northern Sierra Nevada Mountains: along Forst Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mile ESE of Whisky Hill (Duncan Peak 7.5'Q) 1677 Comment
  UCD149387  Galium grayanum G. Ledyard Stebbins 1969-7-20 6949 A Placer Ridge south of North Fork of the American River, between Sailor Canyon and Wildcat Canyon. (Exact location unknown. Coordinates estimated by label maker.) 1950 Comment
  CDA19485  Galium parisiense M. I. Wibawa 2002-5-27 261 Placer Sacramento Valley; Folsom Lake State Recreation Area. 121 Comment
  SEINET9349432  Galium parisiense Unknown 2010-6-26 16375 Placer Sierra Nevada Mountains Foothills Comment
  UCR219679  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2010-6-26 16375 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR231830  Galium sparsiflorum subsp. sparsiflorum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16781 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
  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
  UC876016  Garrya fremontii Marcus E. Jones, A. M. 1882-6-28 3301 Placer Emigrant Gap Comment
  SACT001235  Gastridium ventricosum D. Meyer 1984-6-23 Placer And the American River. Rocky riverbank. 352.0 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
  CHSC118007  Gayophytum diffusum subsp. parviflorum G. K Helmkamp; E. A Helmkamp 2008-8-20 14013 Placer Northern Sierra Nevada Mountains: Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River. 1811 Comment
  POM145987  Gayophytum heterozygum J. B. Feudge 1927-7-18 1717 Placer Emigrant Gap Comment
  POM37952  Gayophytum heterozygum Marcus E. Jones 1882-7-3 s.n. Placer Alta Comment
  UCR219495  Genista monspessulana Bill Haley 2009-5-12 s.n. Placer Stevens Trail near Colfax, c. 1.2 mi from trailhaed parking area on North Canyon Way, Southwest corner of trail junction leading to Burnt Flat region. Old homesteads are in the area 598 Comment
  CAS-BOT-BC217385  Gentiana affinis var. ovata Brandegee No date on label. s.n. Placer Colfax Comment
  UC878353  Gentiana calycosa A. A. Heller 1917-8-14 12932 Placer s Summit valley (steep slope); Mt. Lincoln 2499 Comment
  UCD148937  Gentianopsis simplex Albert Grigarick 2013-8-4 357 Placer North margin of Van Norden Lake. Comment
  CDA36887  Geranium dissectum CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SD239773  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-5-5 18935 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road. 779 Comment
  SEINET4691436  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-1 17142 Placer Sacramento Valley: east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road. 98 Comment
  SD43657  Geranium dissectum Darley F. Howe 1948-5-21 1912 Placer 456 Comment
  SD237462  Geranium molle G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15910 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, at Miners Valley Road, 4.5 miles south of junction with CA-49 at Pilot Hill (Pilot Hill 7.5'Q) 287 Comment
  SDSU7348  Geranium solanderi D. F. Howe 1948-5-21 1911 Placer 457 Comment
  UCD43906  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1272 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SBBG2926  Geum macrophyllum var. perincisum H. and M. Dearing 1939-7-3 3839 Placer Truckee River, near Lake Tahoe 1828 Comment
  SEINET3363420 Image available Gilia Marcus E. Jones 1882-6-1 Placer Emigrant Gap Comment
  UCR218229  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2010-6-26 16408 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  SEINET7963106 Image available Gilia gilioides var. greeneana L. S. Rose 1941-1 41291 Placer Chambers Lodge (McKinney), Lake Tahoe 2100 Comment
  UCR209738  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2009-8-12 15446 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill 2020 Comment
  CHSC74166  Glyceria elata Susi Urie 1998-8-13 98 -034 Placer Lake Tahoe Basin-National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UC1495301  Glyceria elata Robert T. Clausen and Harold Trapido 1940-7-13 4896 Placer 2 mi w Lake Tahoe (woods along Ward Creek); Sierra Nevada, Lake Tahoe Basin 1905 Comment
  JEPS75680  Glyceria grandis W. L. Jepson 1934-8-7 16882 Placer near Squaw Creek Truckee R. Comment
  RSA0049733  Glyceria striata Dean Wm. Taylor 2013-8-7 21393 Placer Coldstream Valley, just above Horseshoe Bend on the railroad mainline 1889 Comment
  SACT001274  Glyceria striata D. Meyer Placer No date listed. 1406.0 Comment
  UCD22252  Glyceria striata Rex Palmer 1979-7-26 N 850 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT001273  Glyceria striata D. Meyer 1984-7-29 Placer Road to Soda Springs. 1661.0 Comment
  UCR259869  Gnaphalium luteoalbum George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22467 Placer Sacramento Valley, West Wise Road just east of the junction with California Lane, north of Lincoln 56 Comment
  CHSC74206  Gnaphalium palustre Susie Urie; Eric Schroder 1998-9-8 98 -297 Placer Lake Tahoe Basin--National Forest. Meadow complex on the north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCR19394  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, c. 1/2 mi. south of Blue Canyon-Nyack Airport 1473 Comment
  SCFS11529147  Goodyera oblongifolia F. Felix 2014-5-10 Placer Along NF trail between Cedars and Onion Creek crossing Comment
  CAS-BOT-BC235482  Gratiola heterosepala Craig P. Martz 1989-4-20 281 Placer Approximately 2.2 airmiles northwest of Lincoln, east of State Route 65 47 Comment
  SEINET3139959  Grindelia hirsutula M. P. Dunford 1959-10-20 563 Placer 1 mi. E of Rocklin on Hwy 40; between Hwy 40 & railroad tracks Comment
  JEPS35433  Helenium puberulum W. H. Shockley 1886-6-1 Placer Auburn Comment
  UC311608  Helianthella californica subsp. nevadensis Dr. H. M. Evans 1918-7-1 Placer Donner Tahoe Region 2133 Comment
  CAS-BOT-BC314702  Helianthella californica var. californica C. L. Hitchcock 1940-5-14 6392 Placer Meier Ranch ca. 6 miles north of Colfax 762 Comment
  POM260044  Helianthella californica var. nevadensis C. L. Hitchcock 1940-5-14 6392 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  SJSU11836  Helianthus annuus C. T. Osugi 1969-10-4 79 Placer Loomis, 21 mi NE of Sacramento 121 Comment
  CAS-BOT-BC305509  Helianthus bolanderi Rimo Bacigalupi; G. L. Stebbins; Daniel Zohary; Howard Stutz; Alex D. Hawkes; Juan Hunziker; Fritz Ehrendorfer 1952-7-20 3883 Placer Seven miles east of Iowa Hill 1158 Comment
  UC112823  Hemizonella minima Katharine Brandegee 1907-6-5 Placer near Cape Horn Comment
  UC173103  Hemizonella minima Katharine Brandegee July 1908 Placer between Gold Run and Cape Horn (Magra) Comment
  POM65409  Hesperochiron californicus Carlotta C. Hall 1910-7-8 8747 Placer South fork of Yuba Canyon, about 17 km east of Cisco. 1920 Comment
  UCR194936  Hesperolinon californicum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12017 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  CAS-BOT-BC143607  Heteromeles arbutifolia Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  UCR200877  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2008-9-15 14094 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  UCR171398  Heterotheca oregona George K. Helmkamp, E. A. Helmkamp 2005-9-30 9969 Placer Northern Sierra Nevada Mtns., c. 3.5 mi NW of Lake Tahoe; Along the Truckee River and Calif. Highway 89, 0.1 mi N of Alpine Meadows Road 1902 Comment
  UC87435  Heterotheca villosa var. minor T. S. Brandegee Jul 1889 Placer Donner Comment
  UC570062  Heuchera rubescens var. glandulosa G. T. Nordstrom 1934-6-18 106 Placer n slope of Texas Hill 1584 Comment
  CAS-BOT-BC319600  Hieracium albiflorum Emily K. Mcpherson 1975-9-19 76- 28 -8 Placer One mile east of Talbot Campground near mid fork American River, Sierra Nevada 1767 Comment
  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
  UCD132317  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR193311  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12187 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River 800 Comment
  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
  JEPS7097  Hieracium argutum Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, et al. 1952-7-19 3855 Placer along river directly below Cape Horn (1/2 mi upstream from the bridge on the Colfax-Iowa Hill Road); North Fork of the American River 381 Comment
  CAS-BOT-BC318636  Hieracium horridum Alice Eastwood 1909-1-1 223 Placer Deer Park Comment
  SACT001283  Holcus lanatus Michael Baad 1977-6-21 Placer Road of Weimar 685.0 Comment
  SACT001284  Holcus lanatus Josephine Van Ess 1976-6-16 Placer Collected just south of Douglas Blvd. Moist streambank. Comment
  SACT001288  Holcus lanatus D. Meyer 1984-8-19 Placer 8.4 km north of I80 103.0 Comment
  UC415595  Holodiscus discolor C. F. Sonne 1886-7-17 Placer along Truckee River, Placer Co. Comment
  CAS-BOT-BC150147  Holodiscus microphyllus var. microphyllus Charlotte Pyle 1977-8-29 s.n. Placer Diamond Crossing on Powderhorn Creek ca. 4.5 miles southwest of Ward Peak 1828 Comment
  SACT001299  Hordeum brachyantherum D. Meyer 1983-7-30 Placer Both sides of road in moist soil. 2072.64 Comment
  SACT001300  Hordeum brachyantherum D. Meyer 1983-7-30 Placer Both sides of the road in moist soil. 2072.64 Comment
  SACT001307  Hordeum brachyantherum D. Meyer 1983-8-7 Placer Tahoe City along east bank of the Truckee River. 1879.0 Comment
  UCD43312  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 680 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD22254  Hordeum brachyantherum subsp. californicum Rex Palmer 1979-7-12 N 639 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22255  Hordeum brachyantherum subsp. californicum Rex Palmer 1979-7-9 N 445 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT001334  Hordeum geniculatum D. Meyer 1984-4-15 Placer Collected on roadside in possible vernal pool 122.0 Comment
  SACT001338  Hordeum geniculatum D. Meyer 1983-6-18 Placer Shady area. 1170.0 Comment
  SACT001343  Hordeum hystrix Josephine Van Ess 1976-4-26 Placer Collected near top of first hill. 91.5 Comment
  SACT001348  Hordeum jubatum D. Meyer 1983-8-7 Placer East bank. 1879.0 Comment
  UC1132504  Hordeum jubatum G. T. Nordstrom 1934-6-21 151 Placer 4/10 mi w by nw Mammoth Springs; Colfax Quad., Tahoe National Forest Comment
  CDA36990  Hordeum leporinum CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  SACT001375  Hordeum leporinum D. Meyer 1983-5-7 Placer Roadside. Comment
  CDA37223  Hordeum marinum subsp. gussoneanum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD80557  Hordeum murinum CNPS SN Foothill Team 2005-4-11 SNFN 0103 b Placer Placer Legacy, Spears/Didion Ranch, above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  UCR172651  Hordeum murinum subsp. leporinum George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10196 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
  SACT001358  Hordeum vulgare D. Meyer 1983-5-15 Placer Moist roadside ditch next to cultivated field. 20.0 Comment
  RSA122259  Horkelia fusca subsp. parviflora N. H. French 1934-6-19 423 Placer 1/4 mile W of Devil's Peak. 2104 Comment
  UC72985  Horkelia fusca subsp. parviflora Chesnut and Drew 1890-8-7 Placer Cascade Lake Tahoe Comment
  CAS-BOT-BC537867  Horkelia fusca var. parviflora Lewis S. Rose 1963-7-11 63211 Placer Tahoma, Lake Tahoe 1915 Comment
  NY436045  Horkelia sericoleuca C. F. Sonne 06 1888 353 Placer Marles [sp?] Creek Valley. Comment
  UCR215985  Horkelia tridentata subsp. tridentata George K. Helmkamp, Amy Barnes 2009-7-12 15178 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  CAS-BOT-BC537974  Horkelia tridentata var. tridentata Lewis S. Rose 1940-5-29 40418 Placer Cisco 1737 Comment
  CAS-BOT-BC537977  Horkelia tridentata var. tridentata Marcus E. A M Jones 1882-6-27 3291 Placer Emigrant Gap Comment
  CAS-BOT-BC206149  Hosackia crassifolia Lowell Ahart 1972-7-7 s.n. Placer French Meadows 1524 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
  SEINET5327467  Hosackia oblongifolia var. oblongifolia P. B. Kennedy, Samuel Bradford Doten 1901-8-15 406 Placer Bearman's camp, 6 mi from French meadows Comment
  UCD106044  Hosackia pinnata R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax, CA. Comment
  SEINET5518653  Hydrophyllum occidentale var. watsonii A. A. Heller 1909-7-16 9838 Placer Summit 2134 Comment
  CAS-BOT-BC400937  Hypericum anagalloides A. A. Heller 1917-8-15 12939 Placer Soda Springs station, lower end of Summit Valley 2042 Comment
  CAS-BOT-BC400940  Hypericum anagalloides John H. Thomas; Hazelle A. Thomas 1956-7-21 6218 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD33600  Hypericum anagalloides Beecher Crampton 1970-6-25 8627 Placer Placer County, 1 mile west of Kingvale. 1859 Comment
  UCD43910  Hypericum anagalloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1276 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC128392  Hypericum anagalloides Miss Harriet A. Walker 1908-7-27 1461 Placer Yuba R. near Cisco; Yuba R. Comment
  UC303559  Hypericum concinnum unknown Aug. 1894 Placer Auburn Comment
  UC34300  Hypericum concinnum Mrs. M. M. Hardy 1893-1 Placer Comment
  UCR170799  Hypericum formosum var. scouleri George K. Helmkamp, E. A. Helmkamp 2005-9-30 9937 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  SD51286  Hypericum mutilum Darley F. Howe 1961-8-8 3136 Placer 4.0 miles north of Auburn. 456 Comment
  UCR123379  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 1999-6-29 5054 Placer Sierra Nevada Foothills, corner of Dry Creek Rd & Bowman Rd, near Nielsburg, 3 mi NE of Auburn beside I-80 & 1.5 NW of North Fork Lake on American River 457 Comment
  CAS-BOT-BC401265  Hypericum perforatum Brighton C. Cain 1925-8-15 3 Placer 2 miles south of Auburn at Wise Power House Comment
  CDA5080  Hypericum perforatum Margaret Bellue Aug 1951 Placer Between Auburn and Bowman. 0 Comment
  OBI4719  Hypericum perforatum T. C. Fuller 1964-6-26 12253 Placer N side of fwy US 80 to Donner Summit, 0.2 mi of Gold Run. Sierra Nevada 762 Comment
  SCFS11529122  Ipomopsis aggregata E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing in drying stream bed. Comment
  RSA795076  Ipomopsis aggregata subsp. formosissima George K. Helmkamp, E. A. Helmkamp 2011-8-26 18180 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  POM129397  Ipomopsis congesta C. F. Sonne 1885-6-21 109 Placer [Mt] Head of Squaw Valley 2896 Comment
  UC124884  Ipomopsis congesta C. F. Sonne 1886-7-18 Placer Comment
  JEPS111163  Ipomopsis congesta subsp. montana Steve Matson 2005-7-16 1397 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  CAS-BOT-BC133611  Iris hartwegii C. L. Hitchcock 1940-5-7 6329 Placer Ca. 1 mile west of Baxter Comment
  UC147647  Iris hartwegii Harriet A. Walker 1908-6-24 1245 Placer Blue Canyon 1432 Comment
  UCD138732  Iris hartwegii subsp. hartwegii Eric Brenner; John Hunter 1996-5-26 009 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  RSA0008950  Iris macrosiphon Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  CHSC82704  Isoetes howellii Lowell Ahart 2002-7-22 9917 Placer On the south side of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  CHSC84546  Isoetes howellii John Dittes 2003-5-25 2003 -28 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In bed of vernal pool. 39 Comment
  SEINET9304862  Iva axillaris Unknown 1956-7-17 3720 Placer Blue Canyon Comment
  UC830912  Jensia rammii C. L. Hitchcock 1940-5-14 6394 Placer ca 6 mi n Colfax; Meier Ranch 762 Comment
  CAS-BOT-BC109964  Juncus Malcom A. Nobs; S. Galen Smith 1949-8-22 1537 Placer Marshy pool 6 miles northwest of Auburn on Dunn's Dam Road. Comment
  UCR146851  Juncus articulatus Beecher Crampton 1959-7-23 5429 Placer Sierra Nevada foothills, behind Placer Hills School, Meadow Vista 534 Comment
  CHSC74320  Juncus balticus Susi Urie 1998-9-3 98 -236 Placer Lake Tahoe Basin Management Unit - 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
  CHSC67758  Juncus chlorocephalus James D. Jokerst 1986-7-13 2708 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  UCD42865  Juncus chlorocephalus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 232 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD74141  Juncus chlorocephalus Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 244 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Trailblazer' ski run. 2156 Comment
  UC1748358  Juncus confusus Susi Urie 1998-8-11 98 -14 Placer about 2 mi W of Lake Tahoe and Sunnyside (about 0.5 mi N of Ward Creek, along a small tributary) 2097 Comment
  JEPS73239  Juncus drummondii Gladys L. Smith 1972-8-25 3406 Placer between Shirley chairlift and Watson Monument (trail to Granite Chief) 2560 Comment
  CAS-BOT-BC176419  Juncus effusus Peter Rubtzoff 1980-8-20 9590 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass quadrangle, 15 minute series). At Serene Lakes Lodge. Comment
  RSA783469  Juncus effusus Peter Rubtzoff 1980-8-20 9590 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass 15 quad). At Serene Lakes Lodge Comment
  RSA0012138  Juncus effusus var. exiguus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17674 Placer Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  UC1101105  Juncus ensifolius Malcolm A. Nobs and S. Galen Smith 1949-8-21 1518 Placer n end Lake Tahoe (between sandy beach and Agate Bay) Comment
  JEPS74121  Juncus ensifolius L. S. Smith 1916-8-21 734 Placer Gray Horse Valley Truckee Region 1828 Comment
  CHSC82579  Juncus hemiendytus var. hemiendytus Lowell Ahart 2002-7-22 9912 Placer On the south side of the small lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  UC1565206  Juncus leiospermus var. ahartii Carol W. Witham 1990-4-12 139 Placer ca 1.5 mi w Lincoln (town) (ca 1 mi e of Lincoln Airport) Comment
  CHSC67713  Juncus mertensianus James D. Jokerst 1986-7-13 2720 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, in Sheet Valley. Basin. 2133 Comment
  UCD42992  Juncus mertensianus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 361 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC67715  Juncus occidentalis James D. Jokerst 1986-7-13 2716 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. 1859 Comment
  CDA16994  Juncus orthophyllus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16047 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UCD44501  Juncus orthophyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1867 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR179423  Juncus parryi Rex Palmer 1979-5-27 N 83 Placer Northern Sierra Nevada Mountains, Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden], granites at entrance to Chickering property 1768 Comment
  UCD160262  Juncus tenuis Chuck Hughes 2014-4-24 398 Placer About 70 feet west of Crosby-Herold Road, and 400 feet north of Doty Ravine. 73 Comment
  UCD44602  Juncus xiphioides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1968 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS102613 Image available Juniperus grandis Lowell Ahart 2001-10-10 9335 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
  UC95  Juniperus occidentalis J. Burtt Davy Jul 25 1897-Jul 30 1897 3263 Placer near Deer Park Inn; Truckee River Basin Comment
  SEINET11056471  Juniperus occidentalis var. occidentalis P. A. Lehenbauer 1932-8-28 s.n. Placer Cisco Camp, summit. Comment
  CAS-BOT-BC58897  Kalmia microphylla subsp. microphylla L. S. Smith 1927-8-11 2203 Placer Squaw Valley - Tahoe N.F. 1889 Comment
  UC1280800  Keckiella breviflora H. E. McMinn 1926-5-28 1751 Placer 6 mi n Folsom ((Allens - local name of place)) 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
  UC886836  Keckiella breviflora var. glabrisepala C. L. Hitchcock 1940-5-14 6413 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  CAS-BOT-BC246156  Keckiella lemmonii Catherine Best 1981-8-1 s.n. Placer Near Lower Hell Hole Reservoir, Sierra Nevada 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
  OBI20156  Kelloggia galioides David J. Keil 1978-7-23 12936 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UCR246824  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2010-7-28 16649 Placer Northern Sierra Nevada Mountains, Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill 1384 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
  CAS-BOT-BC340322  Kyhosia bolanderi A. M. Carpenter 1892-8-1 s.n. Placer Unspecified Comment
  CHSC74068  Lactuca serriola Susi Urie 1998-8-18 98 -068 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
  POM361391  Lactuca serriola Wm. Martin 1971-9-10 20219 Placer 1 mile E of Weimar on Hwy 80 Comment
  CAS-BOT-BC341355  Lagophylla glandulosa David D. Keck 1932-6-30 1587 Placer 0.3 miles N. of Weimar P.O. 685 Comment
  SD62081  Lagophylla glandulosa subsp. serrata Darley F. Howe 1965-5-20 Placer 3.5 miles north of Auburn. Comment
  CDA37172  Lamium amplexicaule CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  HSC82238  Lasthenia californica Thomas W. Nelson 1979-4-10 4583 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  HSC82242  Lasthenia californica Thomas W. Nelson 1979-4-10 4588 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  CAS-BOT-BC353497  Lasthenia fremontii Brandegee No date on label s.n. Placer Roseville, 1/2 mi. N of Western Electric Plant on Industrial Blvd. Comment
  RSA726776  Lasthenia glaberrima L. Ahart 2007-4-13 13632 Placer About 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 44 Comment
  CAS-BOT-BC213499  Lathyrus jepsonii subsp. californicus Marcus E. Jones 1883-7-1 s.n. Placer Emigrant Gap Comment
  UC372674  Lathyrus jepsonii var. californicus Marcus E. Jones 1883-7-1 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
  SD241008  Lathyrus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18930 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley road, 1.2 miles south of its junction with Foresthill Road. 779 Comment
  SEINET6744634 Image available Lathyrus sulphureus Marcus E. Jones 1882-1 Placer Emigrant Gap Comment
  UCR208554  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14669 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 2.7 miles south of its junction with Forest Hill Road. c. 0.15 mi. NNW of site of Michigan Bluff 1101 Comment
  JEPS7749  Layia fremontii Peter H. Raven 1954-4-16 6602 Placer 7 mi s of Lincoln on road Roseville Comment
  POM361721  Layia fremontii Mary E. P. Ames 1884-1 s.n. Placer [Unspecified] Comment
  UCR171023  Layia platyglossa George K. Helmkamp, E. A. Helmkamp 2006-2-9 10063 Placer Northern Central Valley, Clark Tunnel Road and Calif. Highway 193, east of Lincoln 113 Comment
  UCD77803  Legenere limosa Robert E. Preston 2002-5-3 1787 Placer around 3 miles ssw of Lincoln, north of Orchard Creek 35 Comment
  CHSC96474  Leontodon saxatilis subsp. longirostris Lowell Ahart; Brian Williams 2007-4-13 13633 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  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
  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
  UCSC000317  Lepidium perfoliatum Helen D. Geis 1955-9-6 199 Placer Truckee river at Outlet of Lake Tahoe Comment
  UCD115872  Lepidium virginicum A. A. Heller 1917-8-13 12909 Placer Near Summit hotel. 2133 Comment
  CAS-BOT-BC60087  Lepidium virginicum var. menziesii A. A. Heller 1917-8-13 1753 Placer Near Summit hotel. 2133 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
  SCFS5096  Leptosiphon F. Felix, Erica Krimmel 2013-5-19 14 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  JEPS127499  Leptosiphon ciliatus Steve Matson 1997-7-15 11 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  UCD118828  Leptosiphon ciliatus Terri Williamson 1990-4-15 8 Placer 22587 Sunset Ridge Drive, Lake of the Pines. 365 Comment
  SEINET2470937  Leptosiphon harknessii K. Christie 2010-6-30 1878 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Summit and north of HWY 267. Along a Forest Service road that access the Tahoe Rim Trail. 2164 Comment
  POM364711  Leptosiphon harknessii Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  JEPS20599  Lessingia virgata R. F. Hoover 1936-7-31 1588 Placer Sheridan Comment
  UCD134133  Leucanthemum vulgare R. N. Raynor 1939-5-31 s.n. Placer along Highway 3 miles above Auburn. Comment
  RSA421958  Leucophysalis nana Fay A. MacFadden 1934-7-26 12691 Placer Foot of Red Mountain Comment
  UC1121018  Leucothoe davisiae N. French 1934-7-7 499 Placer Tahoe National Forest, Texas Hill Texas Hill; Tahoe National Forest, Texas Hill 1524 Comment
  CAS-BOT-BC444163  Lewisia nevadensis W. A. Gosline; A. R. Gosline 1943-6-26 s.n. Placer Norden Comment
  UC852034  Lewisia pygmaea Alice Eastwood Jun 15 1912-Jun 19 1912 441 Placer Tahoe City Lake Tahoe Region Comment
  SEINET11942485  Lewisia pygmaea C. F. Sonne 1885-1 s.n. Placer Mt. Stanford, Sierra Nevada Mts. Comment
  CAS-BOT-BC444556  Lewisia triphylla John H. Thomas; Hazelle A. Thomas 1956-7-21 6135 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UCD22147  Lewisia triphylla Rex Palmer 1979-6-19 N 230 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22152  Lewisia triphylla Rex Palmer 1979-6-19 N 262 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22155  Lewisia triphylla Rex Palmer 1979-6-19 N 214 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC436048  Ligusticum grayi John H. Thomas; Hazelle A. Thomas 1956-7-21 6211 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles NE of Sacramento 2377 Comment
  CHSC74180  Ligusticum grayi Susi Urie; Eric Schroder 1998-9-9 98 -307 Placer Lake Tahoe Basin--National Forest. Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  CAS-BOT-BC130530  Lilium Albert M. Vollmer 1941-7-3 s.n. Placer North slope of Placerville Airport Comment
  UC984809  Lilium pardalinum A. M. Vollmer and L. Beane Jul 1951 188 Placer e of Nevada City (Bear Valley); Bear Valley Comment
  CAS-BOT-BC130772  Lilium pardalinum Mrs. H. M. Mitchell 1930-6-7 s.n. Placer Between Colfax and Dutch Flat Comment
  CAS-BOT-BC508482  Lilium parvum G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CAS-BOT-BC508490  Lilium parvum A. M. Vollmer; L. Beane 1951-7-1 189 Placer Bear Valley, east of Nevada City Comment
  SEINET12057833  Lilium parvum B. C. Templeton 1931-7-4 1504 Placer near Meeks Bay, Lake Tahoe 2280 Comment
  CAS-BOT-BC133074  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1909-1-1 184 Placer Sunnyside, Lake Tahoe Region Comment
  CAS-BOT-BC133077  Lilium washingtonianum subsp. washingtonianum Jean L. Pawek 1956-7-18 198 Placer Highway 40 1828 Comment
  CAS-BOT-BC334223  Lilium washingtonianum var. washingtonianum George K. Helmkamp; Mary Alice Barnes; E. A. Helmkamp 2012-9-8 19796 Placer Northern Sierra Nevada Mountains: Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  UCR240748  Lilium washingtonianum var. washingtonianum George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19796 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
  UCR246823  Lilium washingtonianum var. washingtonianum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16650 Placer Northern Sierra Nevada Mountains, Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill 1384 Comment
  SBBG128840  Limnanthes floccosa subsp. californica G. K. Helmkamp, E. A. Helmkamp 2011-4-10 17151 Placer Riosa Rd at the E edge of the village of Sheridan, Sacramento Valley 41 Comment
  UC1124027  Linanthus harknessii B. Bolt 1934-7-17 128 Placer 0.5 mi s Lost Emigrant Mine; Tahoe National Forest, Truckee Quad. 2072 Comment
  CDA6361  Linaria genistifolia subsp. dalmatica G. D. Barbe, W. Sauer 1984-7-25 4178 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  CDA20199  Linaria purpurea A. Williams 2003-8-14 PDR 1407018 Placer Sierra Nevada; Pioneer Wy, Tahoe City. 0 Comment
  UC17252  Linum lewisii C. J. Fox Jr. July, 1895 Placer near Squaw Valley Comment
  SEINET11261795  Linum lewisii var. alpicola George K. Helmkamp, E. A. Helmkamp 2011-7-26 17891 Placer Northern Sierra Nevada Mountains: Bowman Lake Road, 0.9 miles N of its junction with CA Hwy 20, 0.85 miles NE (23 degrees) of Emigrant Gap and N of I-80.; 0 1434 Comment
  SEINET7718436  Linum perenne Unknown Placer Summit Soda Comment
  UC1925818  Lipocarpha micrantha David Keil, Kathleen A. Keil 1999-7-17 28378 Placer Along N Fork of Cosumnes River at Little Canyon Road ford Comment
  SACT002872  Lithocarpus densiflorus Michael Baad 1983-6-26 Placer 1.4 miles southeast of Forest Hill Divide Road on Michigan Bluff Road. 1158.24 Comment
  UC1334177  Lithocarpus densiflorus Thomas Morley 1946-9-28 814 Placer 2.5 mi nne Alta 1249 Comment
  CDA21151  Lithocarpus densiflorus var. echinoides G. F. Hrusa 1993-11-3 11467 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  RSA1952  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-11 991 Placer 8 mi. west of Emigrant Gap. 1372 Comment
  JEPS21377  Lithospermum ruderale C. F. Sonne 1886-6-6 244 Placer Road to Lake Tahoe Sierra Nevada Mountains Comment
  SACT001445  Lolium multiflorum D. Meyer 1983-5-7 Placer Roadside Comment
  SEINET4671407  Lolium multiflorum A. Tiehm, H. Mozingo, M. Williams, E. McPherson 1975-1 605 Placer One mile north of Lincoln Comment
  SACT001435  Lolium multiflorum Josephine Van Ess 1976-3-22 Placer Collected near Hummingbird Hill Stables .75 mile north of Cavit Road. Lightly shaded moist bank. Comment
  UCD66471  Lolium perenne Beecher Crampton 1964-7-9 7108 Placer Emigrant Gap, U. S. Hwy. 40. 1615 Comment
  SD247298  Lomatium dissectum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20336 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles southeast (167 degrees) of Colfax. 561 Comment
  SD237288  Lomatium utriculatum G. K. Helmkamp, E. A. Helmkamp 2009-5-7 14628 Placer Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 13.6 miles east of its junction with Forrest Hill Road in Foresthill. 771 Comment
  UCR194931  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12012 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCSB32286  Lomatium utriculatum Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  SEINET9674900  Lomatium utriculatum C. Lane, H. Mozingo 1979-3-31 s.n. Placer 5.5 miles beyond Jct. of old and new Auburn-Foothill Rd. on old 792 Comment
  UC1125222  Lonicera conjugialis N. French 1934-6-8 404 Placer Cisco Butte Tahoe National Forest, Colfax Quadrangle Comment
  UCD50453  Lonicera conjugialis D. Axelrod 1982-1 s.n. Placer Exact location unknown. Comment
  POM26985  Lotus I. E. Diehl 1902-7-7 53 Placer Colfax Comment
  UC864264  Lotus argophyllus Marcus E. Jones, A. M. 1882-7-3 3338 Placer Colfax Comment
  UC864262  Lotus argophyllus var. fremontii Marcus E. Jones, A. M. 1882-7-3 3338 Placer Colfax Comment
  UCR250077  Lotus argophyllus var. fremontii George K. Helmkamp, Mary Alice Barnes 2013-5-3 20502 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  UCD168200  Lotus corniculatus Albert Grigarick 2014-8-2 372 Placer Alpine Meadows Ski Resort (Kangaroo Lift) - trail to Estelle near water tank. 2198 Comment
  UCD41422  Lotus corniculatus A. M. Shapiro 2002-6-15 s.n. Placer Old Highway 40, Donner Pass-Norden area. 2133 Comment
  UCR255866  Lotus crassifolius Greg de Nevers 1995-8-20 10769 Placer Sierra Nevada Mountains, Lake Tahoe 2165 Comment
  CDA13720  Lotus grandiflorus var. macranthus G. F. Hrusa, B. Meese 1997-5-26 13790 Placer Sierra Nevada; Italian Bar Trail, to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. Comment
  POM27248  Lotus humistratus Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  RSA0039066  Lotus humistratus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20345 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  UCR250593  Lotus humistratus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20467 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UCR257074  Lotus humistratus George K. Helmkamp, Amy Barnes 2014-4-23 22775 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
  CDA27210  Lotus humistratus D. Leiser 1963-5-3 Placer Hiking trail 2 miles northwest of Michigan Bluff. 0 Comment
  UC864903  Lotus incanus C. L. Hitchcock 1940-5-7 6326 Placer ca 1 mi w Baxter Comment
  UC1129097  Lotus micranthus N. French 1933-6-5 66 Placer East Rocklin Sacramento Quad. 91 Comment
  RSA406240  Lotus oblongifolius McFadden 1934-7-2 12717 Placer N. fork of American River, Rawhide Mine - Alta. Comment
  RSA293385  Lotus oblongifolius Reino Alava 1958-5-2 1994 -A Placer About four miles from auburn along the road to Nevada City. Comment
  CDA27308  Lotus purshianus T. C. Fuller 1958-7-7 2001 Placer 2 miles north of Roseville. 0 Comment
  SEINET11265986  Lotus purshianus var. purshianus George Helmkamp, E. A. Helmkamp 2010-10-16 17016 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's Road, 0.5 miles north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd (Foresthill 7.5' Q.); 0 948 Comment
  UC1129011  Lotus purshianus var. purshianus N. French 1933-6-5 62 Placer sw Rattlesnake Bridge Sacramento Quad. 213 Comment
  UC569690  Lotus purshianus var. purshianus B. Bolt 1934-7-20 154 Placer Whiskey Hill Colfax Quad. 1645 Comment
  UC862213  Lotus purshianus var. purshianus A. A. Heller 1917-8-12 12872 Placer w of Emigrant Gap (Southern Pacific reservoir) Comment
  UCR176249  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2006-8-11 11218 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  CHSC118006  Lotus uliginosus G. K Helmkamp; E. A Helmkamp 2008-8-20 14024 Placer Northern Sierra Nevada Mountains: Donner Pass Road on the west side of Donner Pass and east of Norden. 2149 Comment
  SCFS1216  Lupinus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Comment
  SEINET5766211 Image available Lupinus E. J. Kraus 1924-1 s.n. Placer Lake Tahoe Comment
  JEPS127435  Lupinus albicaulis Steve Matson 1997-7-19 119 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west Tiger Ave. Comment
  SEINET5327610  Lupinus albicaulis A. Allen 1950-5-20 35 Placer 10 miles west of Auburn on Grass Valley road. 488 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
  RSA11953  Lupinus albifrons var. albifrons Elmer I. Applegate 1928-4-22 5362 Placer 3 miles above Auburn on the Grass Valley road. Comment
  OBI82142  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
  RSA258882  Lupinus andersonii var. apertus Thomas W. Nelson, James Nelson, A. P. Nelson 1974-6-17 1354 Placer Beside Hwy 80 at its jct with Blue Canyon Road, 9 miles W of the Placer - Nevada County line. Comment
  JEPS46160  Lupinus apertus L. S. Smith 1927-8-5 2150 Placer Robertson Flat Ranger Station Tahoe National Forest, Forest Hill District (Forest Hill District) 2346 Comment
  UC150140  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer summit, Placer Co. Comment
  SEINET8214803  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Summit. 2134 Comment
  JEPS65342  Lupinus argenteus var. meionanthus C. F. Sonne 1886-8-16 52 Placer mts above Coldstream (near Tinker Knob); Sierra Nevada Mountains, mts above Coldstream 2438 Comment
  SD237433  Lupinus benthamii G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15908 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, at Miners Valley Road, 4.5 miles south of junction with CA-49 at Pilot Hill (Pilot Hill 7.5'Q) 287 Comment
  UCR208610  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14626 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
  UCR224864  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2010-4-23 15908 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
  UCR188850  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-3-25 11705 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UCR257597  Lupinus bicolor George K. Helmkamp, Amy Barnes 2014-3-21 22644 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  UC942753  Lupinus latifolius var. columbianus Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4020 Placer near bridge on Rt 49 s Auburn (North Fork American River); North Fork American River 213 Comment
  SEINET8051302  Lupinus latifolius var. columbianus W. D. Billings 1940-5-18 1314 Placer [Sierra Nevada] Gold Run, placer ruined region Comment
  UC127526  Lupinus latifolius var. columbianus Mrs. M. M. Hardy 1893-1 Placer 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
  UCD108400  Lupinus lepidus var. confertus G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12640 Placer Northern Sierra Nevada Mountains: 0.1 mile south of the Rainbow exit from Interstate-80, 0.5 miles east of Rainbow. 1790 Comment
  UCD108413  Lupinus lepidus var. confertus L. S. Smith 1916-6 417 Placer Squaw Valley. Comment
  UCR189631  Lupinus lepidus var. confertus George K. Helmkamp, E. A. Helmkamp 2007-7-27 12640 Placer Northern Sierra Nevada Mountains, 0.1 mile south of the Rainbow exit from Interstate-80, 0.5 miles east of Rainbow 1790 Comment
  JEPS86476  Lupinus lepidus var. lobbii L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6551 Placer ca 5 mi se Donner Lake (e of Tinker Knob, Sherman Chickering's Soda Springs holdings); se of Donner Lake, Sherman Chickering's Soda Springs holding 2590 Comment
  UCD108447  Lupinus lepidus var. lobbii L. S. Smith 1916-6 747 Placer Squaw Valley. Comment
  SEINET8051739  Lupinus lepidus var. lobbii M. J. Williams 1966-7-11 55 Placer Sierra Nevada, Luther Ridge, above Jamison creek 2286 Comment
  CDA12414  Lupinus lepidus var. sellulus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8542 Ab Placer Lake Tahoe; W end of upper Ward Valley on N side, 4 mi SW of Tahoe City. Comment
  RSA0053706  Lupinus lepidus var. sellulus G. K. Helmkamp, E. A. Helmkamp 2012-6-19 19221 Placer Northern Sierra Nevada Mountains: Devil's Thumb Road (Deadwood Rd.), 1.2 miles S of its junction with Foresthill Road 1648 Comment
  UCR120503  Lupinus lepidus var. sellulus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5026 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  RSA0036006  Lupinus microcarpus var. densiflorus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20459 Placer Forest Hill Road, 4.8 miles east of its junction with Upper Clementine Lake Road, 10.1 mi. NE (52 ) of Auburn 672 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
  UCR256515  Lupinus microcarpus var. densiflorus George K. Helmkamp, Amy Barnes 2014-4-23 22771 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  CDA12006  Lupinus nanus G. F. Hrusa 1995-5-2 12187 Placer Sierra Nevada; along side of Mosquito Ridge Rd. approx. 3 km. E of Foresthill. Comment
  RSA0038508  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20471 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  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
  SD260247  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20484 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 miles east (92a^z) of Foresthill (Forest Hill 7.5'Q) 829 Comment
  CHSC96480  Lupinus pachylobus Lowell Ahart; Brian Williams 2007-4-13 13643 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCD22084  Lupinus polyphyllus Rex Palmer 1979-7-11 N 577 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22085  Lupinus polyphyllus Rex Palmer 1979-7-26 N 835 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS59497  Lupinus polyphyllus var. burkei Ezra Brainerd and Viola B. Baird 1915-7-25 251 Placer above Inn (Deer Park); Sierra Nevada Mts., Deer Park 2011 Comment
  SEINET8059977  Lupinus polyphyllus var. burkei Caldwell 1962-5-9 120 Placer 6 miles north of Auburn, Highway 40 610 Comment
  SEINET10488897  Lupinus sellulus P. Rubtzoff 1976-9-19 Rubtzoff 8874 Placer Lake van norden. Dry disturbed (cleared) area on e side of lake, n of the dirt Rd. 2063 Comment
  UCD16092  Lupinus stiversii James F. Randall 1999-5-1 s. n. Placer California. Placer County: 6.5 miles from Foresthill, along Forest Hwy 96 (Mosquito Ridge Rd.). 633 Comment
  SEINET10451517  Lupinus superbus var. bernardinus L. S. Smith 1938-7-22 Smith s.n. Placer Tahoe National Forest. Squaw Valley. Comment
  CDA19570  Luzula comosa M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 214 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  POM180967  Luzula comosa A. Kellogg 1870-6-16 s.n. Placer Cisco. Comment
  CAS-BOT-BC436673  Luzula comosa var. laxa W. R. Dudley 1893-6-1 s.n. Placer Back of Tallac Comment
  CHSC9127  Luzula comosa var. subsessilis J. L. Wilson 1970-3-25 220 Placer U.S. Forest Station, Foresthill, Tahoe National Forest. In a lawn area in front of the office, Box 277. 984 Comment
  JEPS73265  Luzula divaricata Gladys L. Smith 1972-8-25 3425 A Placer along trail n-facing slope Granite Chief; n-facing slope Granite Chief 2621 Comment
  CHSC91529  Luzula macrantha M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 250 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  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
  UCD134169  Madia citrigracilis G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10703 Placer Northern Sierra Nevada Mountains: 0.2 mile N of Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
  UC34791  Madia citriodora unknown 1865-4-13 Placer New Castle Comment
  CAS-BOT-BC343777  Madia elegans L. R. Abrams 1927-9-13 12156 Placer Lincoln Highway, 11 miles east of Auburn Comment
  CAS-BOT-BC343774  Madia elegans R. F. Hoover 1967-9-6 10850 Placer Kings Beach, Lake Tahoe Comment
  JEPS14356  Madia exigua Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunziker, F. Ehrendorfer, D. Zohary... 1952-7-20 3876 Placer n-facing serpentine slope just s Shirttail Public Camp (nr headwaters of Shirttail Creek, 6 mi e of Iowa Hill); Tahoe Nat. Forest 1066 Comment
  CHSC82652  Madia glomerata Lowell Ahart 2002-7-22 9878 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
  RSA0045149  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19919 Placer Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road. 1611 Comment
  UCD158895  Madia glomerata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-18 s.n. Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC343242  Madia gracilis David D. Keck 1933-5-31 2428 Placer Just south of Auburn, on road to Roseville 305 Comment
  CAS-BOT-BC434231  Madia gracilis George K. Helmkamp; E. A. Helmkamp 2012-6-19 19219 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  UCD134281  Madia gracilis A. S. Crafts 1926-5-1 790 Placer American River Canyon. Comment
  JEPS59498  Madia gracilis Ezra Brainerd and Viola B. Baird 1915-7-23 252 Placer e of Tahoe City (along the shore of Lake Tahoe); Sierra Nevada Mts., Lake Tahoe 1905 Comment
  POM29897  Madia minima Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  POM52138  Madia minima Harriet Ann Walker 1910-06 2036 Placer Deer Park, in the Lake Tahoe district Comment
  UCD150497  Maianthemum racemosum James A. Neilson Jr. 1971-7-6 2221 Placer Tahoe Basin, lower Ward Valley. 1905 Comment
  UCD22057  Maianthemum racemosum Rex Palmer 1979-6-20 N 279 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC74032  Maianthemum stellatum Susi Urie 1998-8-28 98 -144 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  SEINET8551113  Marah fabacea S. Dean 1979-3-31 s.n. Placer Eldorado Creek near junction with North Fork of Middle Fork of American River, Mosquito Ridge Road to French Meadows. 518 Comment
  CDA42746  Marsilea vestita R. Danielson 1962-6-17 s.n. Placer Highway 99 E to Marysville, 4 miles north of Roseville. 0 Comment
  CAS-BOT-BC348064  Matricaria discoidea Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4023 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  UCR173177  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10125 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  UCD160961  Melica G. Ledyard Stebbins 1978-5-29 78103 Placer El Dorado National Forest. Little Crater above Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SACT001473  Melica aristata Michael Baad 1983-7-23 Placer .25 mile west of US Highway 89. Boggy meadows along road. 1828.8 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
  SACT001474  Melica aristata Michael Baad 1983-7-15 Placer From Junction owith road from Ramsey CRossing to Devil's Peak. 1524.0 Comment
  CAS-BOT-BC271120  Melica bulbosa John H. Thomas; Hazelle A. Thomas 1956-7-21 6140 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  SACT001478  Melica bulbosa Michael Baad 1977-6-8 Placer Overlooking the south run of Middle Fork of American Fork of American River. 2 miles northwest of Brushy Creek Station. 1219.2 Comment
  SACT001499  Melica californica Josephine Van Ess 1977-4-27 Placer Collected near top of hill where flume crosses the road. Dry slope. 140.2 Comment
  UC1153929  Melica californica Beecher Crampton 1957-5-7 3980 Placer 3.2 mi n Roseville (U.S. Hwy 99E) Comment
  UCD86437  Melica californica Beecher Crampton 1955-6-15 2867 Placer 0.5 mile south of U. S. Hwy. 40 on the Forest Hill Road. Comment
  SACT001501  Melica californica Josephine Van Ess 1978-4-18 Placer Collected on top of ricky hill near Folsom Lake about 1 mile north of twin rocks road and .5 mile east amoung rocks. 170.7 Comment
  CAS-BOT-BC282063  Melica fugax Bolander 1870-6-17 s.n. Placer Cisco, Sierra Nevada Mts Comment
  UCD36664  Melica harfordii Beecher Crampton 1955-6-15 2897 Placer Placer County, Shirttail Canyon, 5.5 miles west of Iowa Hill. Comment
  UCD87385  Melica harfordii Beecher Crampton 1955-6-15 2872 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40, Forest Hill Road. Comment
  SACT001535  Melica torreyana Michael Baad 1977-6-21 Placer On Colfax to Forest Hill Road; east-facing cliff; stream side habitat 670.0 Comment
  SACT001545  Melica torreyana Michael Baad 1977-6-8 Placer on road between Forest HIll and French Meadows roadside in serpentine-chaparral community 914.4 Comment
  SACT001555  Melica torreyana D. Meyer 1984-6-3 Placer dam lookout 224.0 Comment
  UCD33737  Melilotus albus Beecher Crampton 1972-7-26 8848 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  CDA19488  Melilotus indicus M. I. Wibawa 2002-5-27 265 Placer Sacramento Valley; Folsom Lake, American River bike trail to Folsom Lake State Recreation Area. 91 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
  UC702906  Mentzelia albicaulis Lewis S. Rose 1941-7-12 41313 Placer Chambers Lodge, (McKinney) Lake Tahoe 1920 Comment
  UCD22378  Micranthes aprica Rex Palmer 1979-6-19 N 243 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22372  Micranthes bryophora Rex Palmer 1979-6-19 N 244 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22374  Micranthes bryophora Rex Palmer 1979-7-11 N 555 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD146981  Micranthes californica Chuck Hughes 2013-3-5 352 Placer Edge of Camp Far West Reservoir. 95 Comment
  SEINET6033446  Micranthes californica H. R. Holbo 1967-3-31 s.n. Placer 1 mile east of bridge of North fork American River and HWY 49 457 Comment
  SEINET6033451  Micranthes californica A. Urrutia 1960-3-19 s.n. Placer North fork American River 3 miles south of Auburn, HWY 49, 457 Comment
  CAS-BOT-BC348845  Microseris douglasii subsp. douglasii John Thomas Howell; Gordon H. True 1971-5-26 47634 Placer Northern limits of Lincoln 48 Comment
  UCR130217  Microseris nutans George K. Helmkamp, E. A. Helmkamp 1999-6-30 5095 Placer Northern Sierra Nevada Mtns., Soda Springs Rd 0.9 mi south of Donner Pass Rd, approaching Ice Lakes 2104 Comment
  CAS-BOT-BC349325  Microseris nutans Albert Kellogg 1870-1-1 s.n. Placer Camp Yuba: Cisco, Sierra Nevada Mts. Comment
  JEPS127412  Microsteris gracilis Steve Matson 2000-6-14 429 Placer nSNH Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area, south side of Highway 267, south of Martis Creek. Comment
  UC1278126  Mimulus aurantiacus var. grandiflorus B. Crampton 1955-6-15 2893 Placer 8.5 mi w Iowa Hill (bottom of canyon); Shirttail Canyon Comment
  UC886108  Mimulus bicolor C. L. Hitchcock 1940-5-14 6398 Placer ca. 6 mi n Colfax; Meier Ranch 762 Comment
  UCD21895  Mimulus breweri Rex Palmer 1979-6-19 N 220 Placer Placer County. Exact loction unknown. Comment
  CHSC9509  Mimulus floribundus J. F. Goodwin 1971-7-10 151 Placer Approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 198 Comment
  CDA16995  Mimulus guttatus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16048 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SCFS1200  Mimulus guttatus E. Krimmel 2014-6-26 Placer Rocky seep on sunny slope, above river below confluence with Serena Creek Comment
  UC26979  Mimulus guttatus C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UCR218120  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16395 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR234212  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17170 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  HSC23388  Mimulus guttatus G. G. Poulsen, Jr. 1971-3-29 3 Placer Ca. 4 mi. E of Lincoln on New Castle Lincoln Rd.; S on Clark Tunnel Rd., 1.4 mi. 274 Comment
  JEPS10944  Mimulus guttatus W. L. Jepson 1938-4-5 18584 Placer 2 mi e Auburn (on Placerville road) Comment
  CDA38386  Mimulus jepsonii S. E. Schoenig 1998-8-16 98 -83 Placer 1.0 mile north of Grouse Ridge on trail to Island Lake, northeast of Milk Lake. Tahoe National Forest. Comment
  RSA0042077  Mimulus kelloggii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20346 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  SDSU122  Mimulus kelloggii David M. Thompson, Barbara Ertter 1989-4-9 997 Placer 3.0 mile road NE of Shirttail Creek bridge along Shirttail Canyon Road. 500 Comment
  JEPS71713  Mimulus lewisii Gladys L. Smith 1972-8-25 3436 Placer meadow below North cirque; Granite Chief 2575 Comment
  UC1063155  Mimulus microphyllus C. R. Clar 1933-6-4 129 Placer near Newcastle; Sacramento Quadrangle Comment
  UCD44711  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2077 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS86482  Mimulus moniliformis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6562 Placer ca. 5 mi se Donner Lake (Sherman Chickering's Soda Springs holdings, on w flank of Tinker Knob) Comment
  UC147637  Mimulus moniliformis Harriet A. Walker 1908-6-23 1231 Placer Blue Canyon 1432 Comment
  UCD21892  Mimulus moschatus Rex Palmer 1979-6-21 N 382 Placer Tinker Knob, west ridge. Comment
  UCD82830  Mimulus moschatus Robin McMaster 1973-6-3 444 Placer Lake Spaulding. 1524 Comment
  CDA33293  Mimulus moschatus Rex Palmer 1979-7-9 N 436 Placer Headwaters Basin area of the North Fork of the American River. Onion Creek Meadow #2 0 Comment
  JEPS124590 Image available Mimulus primuloides Laurie Hooker 1965-6-27 23 Placer Meadow at left of Highway 89 So. 3.7 miles past Montreal Road Placer County. Comment
  RSA434712  Mimulus primuloides Robert Kessler 1924-08 s.n. Placer Lake Tahoe. [County: Placer or El Dorado] Comment
  UCD43357  Mimulus primuloides var. primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 725 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  UCD42783  Mimulus tilingii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 149 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  POM20830  Mimulus tilingii C. F. Sonne 1895-7-25 s.n. Placer W. slope [Wahoo Wash?] Comment
  UC193047  Mimulus tilingii C. F. Sonne Jul 25 1895-Aug 1 1895 Placer w slope Washoe Mts. Comment
  HSC33457  Mimulus torreyi Thomas W. Nelson, James Nelson 1974-6-17 1352 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  UCD21894  Mimulus torreyi Rex Palmer 1979-6-19 N 222 Placer Exact location unknown. Comment
  UCD42796  Mitella breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 162 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC432974  Mitella breweri James R. Shevock 1979-6-23 6267 Placer The Sierra Nevada. Along the Yuba River adjacent to Interstate 80. Tahoe National Forest. 1828 Comment
  CAS-BOT-BC432977  Mitella breweri Kellogg 1870-1-1 s.n. Placer Cisco; Sierra Nevada Mt. Comment
  RSA70488  Monardella odoratissima I. E. Diehl 1902-7-7 52 Placer Colfax. Comment
  SEINET12328852  Monardella odoratissima J. H. Nishida 1985-1 776 Placer Homewood 1829 Comment
  SEINET5333439  Monardella odoratissima subsp. glauca P. A. Lehenbauer 1933-8-6 2788 Placer Lake Tahoe - near Homewood Comment
  CAS-BOT-BC222100  Monardella odoratissima subsp. pallida H. M. Hall 1910-7-1 8731 Placer Sierra Nevada Mountains. Cisco 1828 Comment
  JEPS126282  Monardella odoratissima subsp. pallida Steve Matson 1997-7-1 116 Placer Tahoe north shore; Snow Creek watershed, Tahoe Visa/Kings Beach; middle fork of Snow Creek; north of Golf Course. Comment
  JEPS63371  Monardella odoratissima subsp. pallida Leland S. Smith 1925-8-13 1704 Placer Ridge south Glenn Mine; Tahoe Forest 1859 Comment
  SD234897  Monardella odoratissima subsp. pallida G. K. Helmkamp, E. A. Helmkamp 2008-8-20 14030 Placer Northern Sierra Nevada Mountains: Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek. 2107 Comment
  UC1124571  Monardella odoratissima subsp. pallida B. Bolt 1934-7-16 117 Placer 1 1/2 mile SE of Heath Springs (on Plot 206); Tahoe National Forest, Truckee Quadrangle Comment
  UC128213  Monardella odoratissima subsp. pallida Miss Harriet A. Walker 1908-7-25 1389 Placer Cisco 1810 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
  UCR242329  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-7-28 16666 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  RSA401652B  Monardella odoratissima subsp. pallida Julian P. Donahue 1976-7-4 s.n. Placer Blackwood Canyon, approx. 5 miles SW of Tahoe City 2134 Comment
  SEINET10582103  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 272 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  SEINET10582105  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 274 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  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
  CAS-BOT-BC444734  Montia chamissoi Alice Eastwood 1912-6-15 438 Placer Tahoe City. Lake Tahoe Region Comment
  JEPS59506  Montia chamissoi Ezra Brainerd and Viola B. Baird 1915-7-7 260 Placer Sierra Nevada Mountains, Squaw Valley Squaw Valley; Sierra Nevada Mountains, Squaw Valley 1920 Comment
  POM101934  Montia chamissoi Marcus E. Jones 1882-6-28 2628 Placer Emigrant Gap. Comment
  UC851964  Montia chamissoi Marcus E. Jones, A. M. 1882-5-28 2628 Placer Emigrant Gap Comment
  UCD44713  Montia chamissoi C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2079 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC445126  Montia parvifolia Marcus E. Jones 1882-6-1 s.n. Placer Emigrant Gap Comment
  POM101988  Montia parvifolia Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC260644  Muhlenbergia filiformis G. L. Stebbins, Jr.; et al. 1952-7-20 5126 Placer 7 miles E of Iowa Hill near Forbes camp ground on Upper Shirttail Creek 1158 Comment
  CHSC82703  Muhlenbergia filiformis Lowell Ahart 2002-7-22 9905 Placer On the south side of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  SACT001588  Muhlenbergia filiformis Michael Baad 1976-6-10 Placer Near trail to Robinson Flat 1737.0 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
  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
  CAS-BOT-BC60332  Nasturtium officinale Saichi Kawahara 1969-7-6 1437 Placer Swing near old cabin, Mel Henderson Ranch, east bank of Indian Creek. 999 Comment
  RSA562587  Navarretia capillaris Alva Day, Orbelia Robinson 1982-7-13 82 -73 Placer Soda Springs Rd. 1.8 mi. N of Chickering's, and Old Soda Springs. Comment
  RSA562588  Navarretia capillaris Alva Day, Orbelia Robinson 1982-7-13 82 -83 Placer Tahoe National Forest, Highway 80, just E of Norden on trail 3/4 mi. above Sierra Club Lodge Comment
  LA206582  Navarretia divaricata G. T. Nordstorm; 1934-6-21 150 Placer 0.4 mi. W by NW of Mammoth Springs 1706 Comment
  UCD36286  Navarretia eriocephala Beecher Crampton 1953-5-14 1273 Placer Placer County, 3 miles north of Roseville, on Highway 99E. Comment
  SEINET178555  Navarretia filicaulis Marcus E. Jones 1982-7-3 3417 Placer Colfax Comment
  SD103799  Navarretia leptalea Darley Howe 1978-7-14 5069 Placer Along state highway 20, 29 miles west of truckee 1646 Comment
  UCD21981  Navarretia leptalea Beth Lowe Corbin 1982-8-3 190 Placer Onion Creek campground. In fine, sandy, granitic soil. Open area disturbed by flooding. Flowers purple with yellow throat bases. Full sun. Locally very abundant. 1841 Comment
  SD38789  Navarretia leptalea Dr. De Forest 1931-5-4 2064 B Placer Crystal Lake Comment
  UC718537  Navarretia leucocephala Carl B. Wolf 1937-5-12 Placer 1 mi n Lincoln; Sacramento Valley 45 Comment
  SEINET14151954  Navarretia leucocephala subsp. leucocephala B. Crampton 1953-5-26 1334 Placer 2 mi N of Lincoln, Sunnybrook Farm (Francheschi) Comment
  SEINET14152717  Navarretia linearifolia subsp. linearifolia F. H. Hillman s. n. Placer [Sierra Nevada] Between Truckee and Lake Tahoe Comment
  UC106895  Navarretia linearifolia subsp. linearifolia C. F. Sonne Sept., 1895 Placer road to Hot Springs Lake Tahoe; Sierra Nevada Mountains, rd to Hot Springs Lake Tahoe Comment
  UCD21175  Navarretia tagetina Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-5 350 Placer Orchard Creek Mitigation Bank. UTMs 10S0646175; 4300069. Comment
  UC133851  Navarretia viscidula Katharine Brandegee 1883-1 Placer near Newcastle Comment
  UC880880  Nemophila heterophylla C. L. Hitchcock 1940-5-7 6321 Placer ca 1 mi w Baxter; w of Baxter Comment
  UC24195  Nemophila maculata H. N. Bolander 1865-4-13 4566 Placer New Castle Comment
  SEINET5521021  Nemophila menziesii A. Beninghoff 1930-3-15 2684 Placer 5 miles east of Lincoln Comment
  SEINET5521027  Nemophila menziesii var. atomaria Schank 1959-3-29 s.n. Placer 3 miles west of Roseville situated in a meadow-like field. 305 Comment
  UCD119925  Nemophila parviflora Terri Williamson 1990-4-15 6 Placer 22587 Sunset Ridge Dr. Lake of the Pines. 365 Comment
  CAS-BOT-BC7235  Nemophila tenera Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  UC177579  Nicotiana acuminata var. multiflora H. M. Hall 1914-8-2 9838 Placer near Roseville 60 Comment
  UC4148  Odontostomum hartwegii C. F. Sonne 1891-5-17 14 Placer Auburn Sierra Nevada Mts., Auburn Comment
  SEINET5345645  Oenothera elata B. M. Cunningham 1960-5-6 s.n. Placer Twenty miles east of Auburn on highway 40 freeway 762 Comment
  UCR200878  Oenothera elata subsp. hirsutissima George K. Helmkamp, E. A. Helmkamp 2008-9-15 14096 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  UC57362  Orobanche californica subsp. grayana H. M. Hall and H. P. Chandler July 1903 4551 Placer Sierra Nevada Mountains. Vicinity of Lake Tahoe. Brockway. Comment
  CDA16811  Orthocarpus cuspidatus G. F. Hrusa, J. Glazner 2001-7-15 15951 Placer Sierra Nevada; near summit of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  UCD21898  Orthocarpus cuspidatus subsp. cryptanthus Beth Lowe Corbin 1982-8-4 241 Placer 1 1/2 mile north of Onion Creek campground. 2255 Comment
  RSA20883  Orthocarpus erianthus Carl B. Wolf 1937-3-30 8245 Placer Sacramento Valley, 4.8 miles east of Lincoln on Penryn Road. 91 Comment
  SDSU10842  Orthocarpus erianthus D. F. Howe 1948-5-20 1836 Placer 4.0 miles N of Auburn. 457 Comment
  UCD43019  Osmorhiza berteroi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 388 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC1058498  Osmorhiza occidentalis Peter H. Raven 1958-6-14 13208 Placer Donner Pass; w side 2164 Comment
  UCD75741  Osmorhiza occidentalis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5204 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
  SEINET4206031  Oxyria digyna W. D. Billings 1950-7-30 1919 Placer Northeast side of Squaw Peak, Sierra Nevada Range 2591 Comment
  JEPS126291  Paeonia brownii Steve Matson 2001-5-28 448 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, south of power lines, west of Golf Course. Comment
  UC854375  Paeonia brownii Alice Eastwood Jun 15 1912-Jun 19 1912 362 Placer Deer Park Lake Tahoe Region Comment
  UCD34027  Panicum acuminatum var. fasciculatum Beecher Crampton 1975-9-9 9279 Placer Gold Run rest area on Hwy. 80. 914 Comment
  UCD36704  Panicum acuminatum var. fasciculatum Beecher Crampton 1955-7-13 2987 Placer 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  JEPS102508  Panicum capillare Lowell Ahart 2001-10-10 9342 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 a 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1591 Comment
  RSA654060  Panicum dichotomiflorum Beecher Crampton 1977-9-30 9531 Placer Applegate, Opposite grocery store Comment
  CAS-BOT-BC175537  Parnassia palustris C. F. Sonne 1883-8-12 96 Placer [Canon] Canyon above Coldstream Comment
  UCD88733  Paspalum dilatatum Beecher Crampton 1965-9-13 7496 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  UCD32979  Paspalum urvillei Beecher Crampton 1965-9-13 7499 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  JEPS71758  Pedicularis groenlandica Gladys L. Smith 1972-6-18 3140 Placer Alpine Meadows 2072 Comment
  UC103240  Pedicularis groenlandica C. F. Sonne July 1892 Placer Mountains above Baldstream; Sierra Nevada Mountains Comment
  SEINET13751978  Pedicularis racemosa H. A. Walker 1908-7-29 1502 Placer Cisco 1829 Comment
  CHSC11064  Pedicularis semibarbata Lowell Ahart 1969-7-30 Placer Near Handy Camp, French Meadows. 1524 Comment
  SEINET4536349 Image available Pellaea brachyptera Marcus E. Jones 1882-1 3275 Placer Emigrant Gap Comment
  RSA331973  Pellaea brachyptera W. Wisura, Dave Kelly 1985-6-1 4049 Placer Nayak, near Emigrant Gap, along dead end rd. to railway siding, on rocks. Comment
  SEINET11713795  Pellaea breweri C. F. Sonne 1885-1 s.n. Placer above Coldtrain Comment
  RSA686842  Pellaea bridgesii May N. Ackley 1925-07 71 Placer Near Emigrant Gap 1677 Comment
  POM120782  Pellaea mucronata Marcus E. Jones 1902-6-29 s.n. Placer Emigrant Gap. Comment
  UCR208583  Pellaea mucronata George K. Helmkamp, E. A. Helmkamp 2009-5-7 14625 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
  UC1713523  Pellaea mucronata var. mucronata H. M. Hall 1916-6-20 Placer near Applegate (Pincrest); Seirra Nevada Mts 731 Comment
  UC887118  Penstemon Marcus E. Jones, A. M. 1882-7-1 3434 Placer Emigrant Gap Comment
  JEPS15110  Penstemon azureus B. Bolt 1934-7-11 96 Placer Cascade Lakes Tahoe National Forest, Truckee Quadrangle Comment
  UCR209724  Penstemon azureus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15444 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  JEPS111326  Penstemon azureus var. azureus Steve Matson 2005-7-31 1430 Placer about 500 meters east of old Donner Summit (Highway 40), edge of old railroad bed (causeway) where penetrated by old road bed and tunnel;39.3154 N, 120.3209 W; elevation 6,900 ft. 2103 Comment
  UCD124043  Penstemon azureus var. azureus G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12624 Placer Northern Sierra Nevada Mountains; southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCD21909  Penstemon deustus Rex Palmer 1979-6-21 N 374 Placer Headwaters basin area of the North Fork of the American River 2194 Comment
  CHSC9533  Penstemon gracilentus J. F. Goodwin 1971-7-11 164 Placer At end of Commonwealth Drive, 0.6 mi. from intersection with Hwy. 267, 10.6 mi. east of Truckee. 1981 Comment
  POM11471  Penstemon gracilentus Katherine Brandegee 1910-07 s.n. Placer Emigrant Gap. Comment
  SEINET2470931  Penstemon gracilentus K. Christie 2010-6-30 1872 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Spring along FR 16N57, ca. 0.75 mi. northeast of Kings Beach from Beaver Rd. 2133 Comment
  UCD75733  Penstemon gracilentus Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5195 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
  CAS-BOT-BC264483  Penstemon heterodoxus var. heterodoxus John Thomas Howell 1943-7-22 18705 Placer Summit Valley Comment
  CAS-BOT-BC264488  Penstemon heterodoxus var. heterodoxus L. S. Smith 1927-8-12 2222 Placer Upper Squaw Creek Basin below Peak 2286 Comment
  UC1063370  Penstemon heterodoxus var. heterodoxus H. S. Yates 1934-6-29 3881 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  POM260311  Penstemon heterophyllus subsp. purdyi C. Leo Hitchcock 1940-5-14 6412 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  NY601756  Penstemon heterophyllus var. purdyi Illegible collector name 1940-5-4 6412 Placer Meier Ranch, ca. 6 miles north of Colfax 762.0 Comment
  UC1063185  Penstemon heterophyllus var. purdyi C. R. Clar 1933-5-18 122 Placer n edge Auburn Sacramento Quad., n edge Auburn Comment
  UC193799  Penstemon heterophyllus var. purdyi C. F. Sonne May 1891 Placer Auburn Comment
  UC565577  Penstemon heterophyllus var. purdyi Herbert L. Mason 1926-5-28 3271 Placer 5 mi above Auburn; above Auburn Comment
  UCR215983  Penstemon laetus subsp. leptosepalus George K. Helmkamp, Amy Barnes 2009-7-12 15181 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  UCD124296  Penstemon newberryi Beecher Crampton 1970-6-25 8626 Placer 1 mile west of Kingvale, Interstate Hwy. 80. 1859 Comment
  UCD21911  Penstemon newberryi Rex Palmer 1979-7-11 N 574 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC239277  Penstemon newberryi var. berryi L. S. Smith 1926-6-8 1902 Placer Tahoe National Forest, French Lake, rocky slopes east side 2133 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
  SCFS1120  Penstemon procerus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Comment
  UC27499  Penstemon roezlii C. J. Fox Jr. July, 1895 Placer near Squaw Peak; near Squaw Peak Comment
  CAS-BOT-BC239577  Penstemon rydbergii var. oreocharis L. S. Smith 1926-6-23 1977 Placer Tahoe National Forest, Squaw Valley North side meadow 1828 Comment
  CAS-BOT-BC239582  Penstemon rydbergii var. oreocharis Alice Eastwood 1909-1-1 39 Placer Lake Tahoe Region, Sunnyside Comment
  SEINET5643585  Penstemon rydbergii var. oreocharis Ellen Dean, M. Starbuck; K. F. Mawdsley; G. Harrington; M. Bibbo; J. Poloske 2008-7-20 5210 Placer Donner State Park, newly acquired lands to SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the west of large off-road vehicle area.; 0 2255 Comment
  UC887257  Penstemon rydbergii var. oreocharis Isabel McCracken 1938-7-2 Placer Dutch Flat Comment
  UCD162579  Penstemon rydbergii var. oreocharis Steve Matson 2003-6-22 811 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork south of bog. 1920 Comment
  CHSC67757  Penstemon speciosus James D. Jokerst 1986-7-13 2726 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the Summit of Needle Peak. Comment
  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
  UC480750  Penstemon speciosus W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak Lake Tahoe Region, Top of Ellis Peak 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
  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
  UCR208543  Pentagramma triangularis subsp. triangularis George K. Helmkamp, E. A. Helmkamp 2009-5-7 14609 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  UCD18249  Perideridia bolanderi E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 461 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
  UC1123110  Perideridia bolanderi subsp. bolanderi N. French 1934-6-22 472 Placer 1/2 mi w Lake Van Norden; Tahoe N. F., Truckee Quadrangle 2133 Comment
  SEINET12558102 Image available Petrorhagia dubia Barbara Ertter, David Thompson 1989-1 8187 Placer Auburn-Forest Hill Road 6.2 mi SW of Spring Garden Road jct., on NW side of road, ca 8 airmiles NE of Auburn 610 Comment
  SEINET5764677  Phacelia hastata var. compacta M. J. Williams 1985-7-6 85- 63 -5 Placer Pacific Crest Trail between old and new Donner Summits. Sierra Nevada. Comment
  JEPS2109  Phacelia hydrophylloides C. F. Sonne 1888-7-1 390 Placer <?> on Truckee River Sierra Nevada Mountains Comment
  UC881157  Phacelia marcescens Marcus E. Jones, A. M. 1882-6-27 3294 Placer Emigrant Gap Comment
  POM296650  Phacelia mutabilis L. S. Rose 1941-7-11 41311 Placer Chambers Lodge (McKinney), Lake Tahoe. 1951 Comment
  UC909968  Phacelia mutabilis Marcus E. Jones, A. M. 1882-6-30 2813 Placer Emigrant Gap Comment
  UC107463  Phacelia racemosa A. Kellogg July 1870 Placer Summit Comment
  UCD22018  Phacelia ramosissima Beth Lowe Corbin 1982-8-10 307 Placer 1.5 miles NW of Onion Creek Campground. 2057 Comment
  JEPS73661  Phacelia stebbinsii L. R. Heckard 1973-6-18 3450 Placer s side of river about 1/2 mi e Star Town (site) (about 13 air mi ne of Foresthill); North Fork of Middle Fork of American River 1310 Comment
  CHSC114270  Phalaris arundinacea R. Robison 2011-8-19 Placer Tahoe City; Gatekeeper's Museum, adjacent to dam near Truckee River outflow. Comment
  SEINET4691147  Phalaris arundinacea W. D. Billings 1951-7-15 2125 Placer Truckee River near Rampart, 2 miles west of Tahoe City 1859 Comment
  SBBG120612  Philadelphus lewisii G. K. Helmkamp with E. A. Helmkamp 2006-6-14 10705 Placer 0.2 mi N of Forest Hill Rd on unnamed rd to Lake Clementine (general area NE of Auburn on Forest Hill Divide) 488 Comment
  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
  UCD43999  Phleum alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1365 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  RSA97660  Phleum alpinum P. H. Raven 1949-6-28 1011 Placer Norden, Summit Valley 2134 Comment
  SACT001751  Phleum pratense D. Meyer 1983-7-16 Placer 1624.0 Comment
  UCD69329  Phlox diffusa Ted Graber 1984-5-28 12 Placer Placer Co.; on Soda Springs Rd. 1.5 mi. from Serene Lakes along edge of ridge; in Lodgepole Forest dominanted by Prunus, Pinus contorta and Juniperus; fairly common herb, 1 dm. tall with violet/blue flowers; growing in dry, gravelly soil with granite parent material in full sun with high wind exposure. 2072 Comment
  POM282382  Phlox diffusa subsp. diffusa Lyman Benson 1933-6-26 4536 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  UC880431  Phlox douglasii subsp. rigida Alice Eastwood Jun 15 1912-Jun 19 1912 426 Placer Deer Park Lake Tahoe Region Comment
Read comments
Aug 15 2009
  JEPS72023  Phoenicaulis cheiranthoides Gladys L. Smith 1972-6-20 3223 Placer Ward Peak, from chair lift terminus to ultimate summit peak Ward Peak 2632 Comment
  SD2000  Phoenicaulis cheiranthoides C. F. Sonne Apr 1898 Placer Near Stateline Comment
  CAS-BOT-BC58831  Phyllodoce breweri M. E. Parsons 1910-7-7 s.n. Placer Lake Tahoe - Madden Creek Meadows 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
  SEINET7270713  Phyllodoce breweri W. D. Billings 1951-8-21 2151 Placer Sierra Nevada, east side of Granite Chief 2621 Comment
  SACT001770  Phyllostachys nigra Josephine Van Ess 1977-7-1 Placer Collected south of Folsom Auburn Road about 5/8 mile. Low wet road. 176.8 Comment
  UCR253807  Picris echioides George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20092 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  SEINET5334492  Pinus attenuata P. L. Comanor, B. Clark; B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 mi. from end of railroad bridge on Calif. 194. Winding road,plot located on the right,past the parking area,down path approx. 60 m. Comment
  UC172  Pinus contorta subsp. murrayana J. Burtt Davy Jun 25 1897-Jun 30 1897 3246 Placer along the Truckee River Truckee River Basin Comment
  UCR171397  Pinus contorta subsp. murrayana George K. Helmkamp, E. A. Helmkamp 2005-10-1 9976 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
  NY49915  Pinus contorta var. murrayana A. A. Heller 1917-8-13 12883 Placer Summit Valley 2118.4 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
  UCD37505  Pinus lambertiana Beecher Crampton 1960-11-2 5800 Placer town of Gold Run. 975 Comment
Read comments
Mar 12 2011
  CAS-BOT-BC72886  Pinus ponderosa Saichi Kawahara 1969-5-25 1023 Placer Ridge east of old cabin, Mel Henderson Ranch, Indian Creek. 1036 Comment
  SEINET5334748  Pinus ponderosa var. ponderosa W. D. Billings 1940-5-18 1315 Placer Gold Run Comment
  NY42706  Pinus sabiniana J. B. Walker 1994-8-19 932 Placer 1km S of Weimar, at offramp of I-80 320 Comment
  RSA758238  Pinus sabiniana Doug Goldman 2004-12-24 3010 Placer Along Mosquito Ridge Road, 1.7 miles east of the intersection of Road 96 and Forest Hill Road in Forest Hill. 878 Comment
  RSA0008981  Pinus sabiniana Marcus E. Jones 1882-7-3 s.n. Placer Colfax Comment
  SEINET5334784  Pinus sabiniana W. Priest 1956-4-7 s.n. Placer On Calif. Highway 49, about 10 miles north of Auburn 610 Comment
  UCD33760  Pistacia atlantica Beecher Crampton 1972-9-28 8879 Placer Placer County, Applegate. 579 Comment
  CAS-BOT-BC169824  Plagiobothrys A. A. Heller 1917-8-12 12877 Placer Southern Pacific Reservoir W of Emigrant Gap Comment
  POM260091  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer 1 mile west of Baxter Comment
  JEPS126365  Plagiobothrys cognatus Steve Matson 1998-6-27 316 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards south south east of junction of Highway 267 and Martis Creek. Comment
  CAS-BOT-BC230943  Plagiobothrys hispidulus John Thomas Howell 1943-7-22 18712 Placer Summit Valley Comment
  UCD44451  Plagiobothrys hispidulus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1817 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC230948  Plagiobothrys hispidulus Alice Eastwood 1906-7-24 948 Placer Glen Alpine Region. Camp Agassiz Comment
  SEINET2441549  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14583 Placer Sierra Nevada Mountains Foothills: Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake (Greenwood 7.5' Q.). 732 Comment
  UCD41256  Plagiobothrys nothofulvus Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1713 Placer East of Hwy 80 and town of Colfax, west side of the North Fork of the American River canyon. Along Iowa Hil Road, about 2.3 road miles east of junction with Canyon Way in town of Colfax. By sign that says Mineral Bar Area. 457 Comment
  UCR238575  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18646 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  SD43625  Plagiobothrys nothofulvus Darley F. Howe 1948-5-20 1839 Placer 456 Comment
  UC1004180  Plagiobothrys stipitatus W. A. Weber and Lewis S. Rose 1953-5-19 8391 Placer 5 mi n Roseville (on road to Lincoln) 45 Comment
  CHSC96475  Plagiobothrys stipitatus var. micranthus Lowell Ahart; Brian Williams 2007-4-13 13638 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
  UCR47818  Plagiobothrys stipitatus var. micranthus C. B. Wolf 1937-5-12 08622 Placer Sacramento Valley, 1 mi north of Lincoln 46 Comment
  UC660019  Plagiobothrys stipitatus var. micranthus Lincoln Constance 1941-5-28 2822 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  UCR198417  Plagiobothrys stipitatus var. stipitatus George K. Helmkamp, E. A. Helmkamp 2008-4-17 13285 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  POM226878  Plagiobothrys trachycarpus L. R. Abrams 1935-1 13658 Placer Roseville. 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
  JEPS126264  Plantago lanceolata Steve Matson 1997-8-1 69 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; near Highway 28 in main meadow. Comment
  POM69140  Plantago lanceolata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  UCD21983  Plantago lanceolata Beth Lowe Corbin 1982-8-11 311 Placer 1 1/4 mile WNW of Onion Creek campground. In rocky, fine, sandy soil on old logging road. Clumped perennial. Bracts brown, anthers yellow. Mostly sun. West facing slope, 20% incline. Uncommon. 1981 Comment
  UCD43338  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 706 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SJSU9113  Platanthera dilatata var. leucostachys N. D. Addy 1962-7-8 174 Placer Hwy 89, 1.5 mi N of Fallen Leaf Lake 1920 Comment
  UC635444  Platystemon californicus Dorothy Tebbe 1930-4-5 94 Placer near Roseville; near Roseville Comment
  LA206293  Platystemon californicus Carl B. Wolf; 1937-3-30 8352 Placer Sacramento Valley, 1.5 mi. E of Lincoln on Penryn Road 60 Comment
  UCR235693  Poa George K. Helmkamp, E. A. Helmkamp 2012-5-5 18918 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  SACT001776  Poa annua Michael Baad 1983-5-5 Placer On Bear River streamside picnic area. 3 miles southwest of Colfax. Moist shaded. 609.0 Comment
  SACT001777  Poa annua D. Meyer 1983-6-18 Placer Shady area 1170.0 Comment
  SACT001780  Poa annua D. Meyer 1984-5-6 Placer On Garden Bar Road. Riparian habitat. 182.0 Comment
  CAS-BOT-BC254761  Poa bolanderi A. A. Heller 1917-6-17 12701 Placer Along the Yuba River below Cisco 1676 Comment
  JEPS71270  Poa bolanderi L. S. Smith 1925-7-27 1653 Placer Blackwood Canyon near Tahoe; Tahoe Forest 1981 Comment
  SEINET10659108  Poa bolanderi A. Arthur Heller 1917-6-17 Heller 12701 Placer Low, gravelly places along the Yuba River below Cisco. Pinus Murrayana and Populus trichocarpa are the trees, several species of willow plentiful. Granite. 1676 Comment
  UCR208591  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14662 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  UCR249537  Poa bulbosa George K. Helmkamp, Amy Barnes 2013-3-28 20294 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UCD37041  Poa compressa Beecher Crampton 1956-7-17 3722 Placer Placer County, Blue Canyon. 1432 Comment
  UCD90842  Poa compressa Beecher Crampton 1955-7-13 2995 Placer 3.5 miles east of Baxter, along U.S. Highway 40. 1432 Comment
  UCD90845  Poa compressa Beecher Crampton 1956-7-17 3722 Placer Blue Canyon. 1432 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
  SACT001873  Poa nervosa Michael Baad 1976-7-21 Placer Southwestern face of Lyon Peak descending to spring emptying into the Middle Fork of the American River. 16 km southeast of Soda Springs. 2377.0 Comment
  SACT001874  Poa nervosa Michael Baad 1983-8-11 Placer Collected on trail from Whiskey Creek to Mildred Ridge 2133.0 Comment
  SACT001878  Poa nevadensis Michael Baad 1976-6-10 Placer 1.5 miles from French Meadows on trail to Robinson Flat, heavily forested zone with opening, white and red fir with incense cedar. 1612.0 Comment
  CHSC72899  Poa palustris L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5768 Placer LLake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC74173  Poa palustris Susi Urie 1998-8-25 98 -097 Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  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
  SACT001921  Poa pratensis D. Meyer 1983-8-20 Placer Moist roadside meadow, some revegetation following residential construction. 2000.0 Comment
  SACT001932  Poa pratensis D. Meyer 1984-5-6 Placer Collected on Garden Bar Rd. Riparian habitat. 182.0 Comment
  SACT001942  Poa pratensis D. Meyer 1984-6-17 Placer Southeast of Weimar. 666.0 Comment
  UCD91920  Poa pratensis George Kerley 1965-12-14 89 Placer near Loomis. Ophir Hill Road. 365 Comment
  CHSC74174  Poa pratensis subsp. pratensis Susi Urie 1998-8-17 98 -048 Placer Lake Tahoe Basin-National Forest. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  SACT001884  Poa pringlei Michael Baad 1976-7-22 Placer Northwest face of Lyon Peak to crest. 10 miles southwest of Soda Springs. 2377.0 Comment
  SACT001990  Poa scabrella Michael Baad 1977-6-3 Placer Roadside serpentine outcrop, 0.5 miles west of Sugar Pine Ranger Station 1164.0 Comment
  POM113760  Poa secunda Marcus E. Jones 1882-6-28 11384 Placer Emigrant Gap. Comment
  CAS-BOT-BC242950  Poa secunda subsp. secunda Peter H. Raven; G. L. Stebbins 1952-4-20 4006 Placer N Fork American River S of Auburn near bridge on Route 49 213 Comment
  UCD91623  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Along the Lincoln Highway about a mile above Emigrant Gap. Comment
  CAS-BOT-BC244154  Poa sierrae C. L. Hitchcock 1940-5-7 6341 Placer Ca 1 mile W of Baxter Comment
  CAS-BOT-BC244157  Poa sierrae G. L. Stebbins, Jr. 1952-6-22 5101 Placer Along SE bank of American River, 1.5 miles NE of bridge on Colfax-Iowa Hill Road 365 Comment
  CAS-BOT-BC244281  Podagrostis humilis Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles S of French Meadows 1600 Comment
  UCD36427  Podagrostis humilis Beecher Crampton 1953-7-21 1538 Placer Placer County, 1 mile south of Soda Springs, on Harrison Flat Road. 2133 Comment
  UCD36705  Podagrostis humilis Beecher Crampton 1955-7-13 2988 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD44467  Podagrostis humilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1833 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD21968  Polemonium californicum Beth Lowe Corbin 1982-8-23 408 Placer 2 miles SW of The Cedars. In fine, sandy, organic soil. Flowers blue with white throat. Partial sun. North facing slope, 40% incline. Occasional. 2103 Comment
  JEPS69879  Polemonium occidentale Alice M. Ottley 1920-7-14 1207 Placer near fish hatchery that is near Cascade Lake Cascade Lake (Lake Tahoe); , near Cascade Lake Comment
  CAS-BOT-BC231303  Polemonium pulcherrimum M. S. Jussel 1928-7-22 s.n. Placer Miller's Lake, Lake Tahoe region Comment
  SEINET4691427  Polygala cornuta George K. Helmkamp, E. A. Helmkamp 2012-1 19216 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  CAS-BOT-BC167538  Polygala cornuta var. cornuta L. S. Smith 1925-8-13 1705 Placer Tahoe National Forest. Gold Dollar Mine Trail to Pine Nut 1828 Comment
  CAS-BOT-BC170306  Polygala cornuta var. cornuta W. R. Dudley 1909-8-1 s.n. Placer Monte Vista, Dutch Flat Comment
  UC109719  Polygala cornuta var. cornuta K. Brandegee Sep 1888 Placer Blue Canyon Comment
  UCD43039  Polygonum bistortoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 408 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC6687  Polygonum davisiae C. F. Sonne 1886-7-18 Placer Truckee River; mt. on Comment
  UCD21929  Polygonum douglasii Beth Lowe Corbin 1982-8-10 297 Placer 1 1/4 miles WNW of Onion Creek campground. Rocky, fine, sandy soil. Open disturbed area, old logging landing, in White Fir forest. Full sun. SW facing slope, 15% incline. Locally abundant. 1981 Comment
  UCD43216  Polygonum douglasii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 585 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC418582  Polygonum minimum Alice Eastwood 1909-1-1 236 Placer Lake Tahoe Region. Squaw Creek Comment
  UC148975  Polygonum minimum H. M. Hall July 1910 8703 Placer Cisco 1767 Comment
  UCR253808  Polygonum persicaria George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20107 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  UC1136139  Polygonum phytolaccifolium B. Bolt 1934-7-17 130 Placer 1/2 mi s Lost Emigrant Mine; Tahoe National Forest, Truckee Quadrangle Comment
  UCR191105  Polygonum phytolaccifolium George K. Helmkamp, E. A. Helmkamp 2007-6-12 12326 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UCR258207  Polygonum punctatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20049 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
  JEPS126272  Polygonum ramosissimum subsp. prolificum Steve Matson 2002-7-12 561 Placer Tahoe north shore: Snow Creek Watershed, Tahoe Vista/Kings Beach; on west side off pond near Highway 28. Comment
  CAS-BOT-BC420164  Polygonum sawatchense subsp. sawatchense John H. Thomas; Hazelle A. Thomas 1956-7-21 6143 A Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UC1136152  Polygonum shastense B. Bolt 1934-7-12 108 Placer Snow Mountain Tahoe National Forest, Truckee Quadrangle 2438 Comment
  UCD81186  Polypodium calirhiza William Haley 2009-4-6 s.n. Placer Stevens Trail near Colfax. 597 Comment
  UCR250342  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20367 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
  POM120374  Polypodium hesperium Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC232991  Polypogon australis Saichi Kawahara 1969-7-6 1449 Placer E bank of Indian Creek, Mel Henderson Ranch 987 Comment
  SACT001573  Polypogon australis D. Meyer 1983-7-16 Placer 1212.0 Comment
  SACT001574  Polypogon australis D. Meyer 1984-8-4 Placer moist shady roadside 1358.0 Comment
  CAS-BOT-BC227192  Polypogon monspeliensis R. K. Brummitt 1997-6-12 19714 Placer 10 km NW of Auburn at junction of Mt. Vernon Road and Joeger Road 300 Comment
  CAS-BOT-BC76758  Polystichum imbricans subsp. imbricans Gordon H. True 1968-4-17 4165 Placer Hwy. 80 near Alta. 1097 Comment
  SD58160  Polystichum imbricans subsp. imbricans Matt Herbrand 1917-12-20 Placer 1525 Comment
  UCD22301  Populus tremuloides Beth Lowe Corbin 1982-8-5 253 Placer Onion Creek campground. In sandy, granitic soil near streambed. Tree about 25' high; bark white papery, leaves quaking. Mostly sun. SW facing slope, 15% incline. Uncommon. 1841 Comment
  UCD22303  Populus trichocarpa Rex Palmer 1979-5-27 N 55 Placer Headwaters basin area of the North Fork of the American River Comment
  POM296430  Potamogeton gramineus Lyman Benson 1932-7-31 4013 Placer Donner Lake. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  UC1099853  Potamogeton illinoensis Malcolm A. Nobs, S. Galen Smith 1949-8-22 1536 Placer 6 mi nw of Auburn (on Dunn's Dam Road) Comment
  UC1099844  Potamogeton natans Malcolm A. Nobs, S. Galen Smith 1949-8-21 1516 Placer between Sandy Beach and Agate Bay (n end of Lake Tahoe); Lake Tahoe Comment
  UCD138239  Potamogeton natans Malcolm A. Nobs; S. Galen Smith 1949-8-21 1512 Placer between Sandy Beach and Agate Bay, north end of Lake Tahoe. Comment
  CDA859  Potamogeton richardsonii R. Talbert 1959-8-14 2927 Placer Lake Tahoe. 0 Comment
  SCFS1116  Potentilla E. Krimmel 2013-6-13 Placer NFAm. Stop #4. On trail to Heath Falls Overlook. Comment
  UCD22276  Potentilla breweri Rex Palmer 1979-6-20 N 352 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS44173  Potentilla drummondii subsp. bruceae Miss Helen D. Geis 1912-6 37 A Placer Deer Park Comment
  UCR171336  Potentilla glandulosa George K. Helmkamp, E. A. Helmkamp 2005-10-1 9978 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
  UCR207107  Potentilla glandulosa subsp. ashlandica George K. Helmkamp, E. A. Helmkamp 2009-7-16 15237 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  CDA15673  Potentilla glandulosa subsp. reflexa G. F. Hrusa, J. Glazner 1999-7-18 15220 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCR120246  Potentilla glandulosa subsp. reflexa George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5042 A Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  POM275172  Potentilla glandulosa var. nevadensis Lyman D. Benson 1933-6-26 4542 Placer 4 miles W of Donner Pass, Sierra Nevada, Bear River watershed 1982 Comment
  CHSC9529  Potentilla gracilis var. fastigiata J. F. Goodwin 1971-7-11 171 Placer 200 ft. south of Hwy. 267 in meadow, 4.0 mi. se of Truckee. 1950 Comment
  UCR207120  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2009-7-16 15235 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  CAS-BOT-BC540400  Potentilla gracilis var. fastigiata Peter Rubtzoff; Edward W. Colson 1976-7-7 8731 Placer Sierra Nevada, E side of Lake Van Norden 2063 Comment
  UC632147  Potentilla gracilis var. fastigiata Beryl O. Schreiber 1932-9-11 769 Placer e Cisco; e of Cisco Comment
  CHSC73694  Potentilla grayi L. P. Janeway; Eric Schroder 1998-9-16 6320 Placer Lake Tahoe Basin. Western border of Lily Lake; head of McKinney Creek, about 3.7 mi southwest of Lake Tahoe. Meadow area. 2164 Comment
  UCD113978  Poterium sanguisorba G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11217 Placer Northern Sierra Nevada Mtns: along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  CDA12395  Primula suffrutescens G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8523 A Placer Lake Tahoe; W end of Ward Valley, 4 miles SW of Tahoe City. Comment
  SEINET8565301  Primula suffrutescens W. D. Billings 1950-7-30 1914 Placer Sierra Nevada, NE side of Squaw Peak. 2560 Comment
  UC480743  Primula suffrutescens W. C. Blasdale 1923-7-13 Placer Mount Ellis (Tahoe) Mount Ellis; Lake Tahoe Region, Mount Ellis (Tahoe) Comment
  SEINET8565285  Primula suffrutescens P. B. Kennedy, S. B. Doten 1901-8-10 272 Placer Summit of Devils Cliff, Soda Springs. 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-BC508644  Prosartes hookeri Lloyd Austin 1924-5-13 s.n. Placer Baxter's Camp bove Alta on road to Truckee 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
  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
  CDA7771  Prunus emarginata S. M. Blank 2007-6-13 s.n. Placer Tahoe City, NNW Pole Creek Comment
  POM89355  Prunus emarginata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  RSA1843  Prunus emarginata Carl B. Wolf 1930-10-11 988 Placer 4 miles west of Emigrant Gap 1524 Comment
  UCR190847  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2007-5-23 12063 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  UCR237462  Prunus persica George K. Helmkamp, E. A. Helmkamp 2012-2-23 18575 Placer Eastern edge Sacramento Valley, Newcastle, along CA-193 (Newcastle Hwy), 0.1 mile southeast of its junction with Langs Hill Road, west of the junction with I-80, SW of Auburn 279 Comment
  UC1484450  Pseudobahia heermannii Dale E. Johnson with A. R. Smith 1974-4-7 69 Placer ca 1.6 km (1 mi) s of I-80 (Auburn-Sacramento hwy); Placerville-Auburn rd (CA 49) Comment
  SD260907  Pseudognaphalium beneolens George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19805 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill (Duncan Peak 7.5'Q) 1677 Comment
  UCD124131  Pseudognaphalium beneolens Ellen Dean; Marcel Rejmanek 2012-10-9 7505 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  UC861227  Purshia tridentata Lewis S. Rose 1940-6-1 40445 Placer Donner Lake 1813 Comment
  UC1128546  Purshia tridentata var. tridentata D. Schlobohm 1934-10-2 3 Placer 3 mi s Truckee; Tahoe National Forest, Truckee Quad. 1859 Comment
  CAS-BOT-BC462895  Pyrola asarifolia Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  JEPS59379  Pyrola asarifolia Ezra Brainerd and Viola B. Baird 1915-7-22 127 Placer Bog opposite, Waltons, Truckee River 1935 Comment
  SEINET7246500  Pyrola asarifolia T. W. Richardson 2002-8-8 s.n. Placer [Sierra Nevada] Tahoe City, Lake Forest, Robert Pomin Park 1902 Comment
  CAS-BOT-BC462774  Pyrola dentata Alice Eastwood 1909-1-1 296 Placer Lake Tahoe Region: Squaw Creek Comment
  SEINET7257144  Pyrola dentata P. Lehenbauer 1933-8-6 2542 Placer [Sierra Nevada] near Homewood, Lake Tahoe Comment
  SEINET7257196  Pyrola minor S. Emerson 1982-9-18 s.n. Placer Forest Hills, Mosquito Ridge Road 518 Comment
  JEPS126342  Pyrola picta Steve Matson 1998-7-28 350 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; above West Fork of Snow Creek. Comment
  UC412729  Pyrola picta J. A. DeCow 1900-8-3 423 Placer Tahoe, McKinneys Tahoe; , McKinneys Comment
  UC412731  Pyrola picta J. A. DeCow 1900-8-5 454 Placer Tahoe, McKinneys Tahoe; , McKinneys Comment
  SD6061  Pyrus occidentalis none given June 1914 Placer Cisco Comment
  CAS-BOT-BC45767  Quercus Saichi Kawahara 1969-5-25 901 Placer North of old house, Mel Henderson Ranch, east bank of Indian Creek; section 23 of the Dutch Flat Quadrangle 999 Comment
  UCD40290  Quercus Rodney Gale Myatt 1972-6-1 s.n. Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  UCD47000  Quercus X morehus Stanley F. Bailey 1962-10-26 s.n. Placer North side of road to Kilaga Springs, 1/2 mile east of McCourtney Road, ca. 5 miles north of Lincoln, Placer County, California. Comment
  CAS-BOT-BC62474  Quercus chrysolepis Emily McPherson 1976-9-19 76- 28 -6 Placer 1 mile seast of Talbot Campground. Middle Fork of the American 1767 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
  UCR198031  Quercus douglasii Sean Huff 1994-5-14 02 Placer town of Roseville at north end of Sunrise Blvd, 1 mi down dirt road 76 Comment
  SACT002608  Quercus dumosa Josephine Van Ess 1978-2-21 Placer Collected near bridge at edge of wooded area, somewhat open. 365.8 Comment
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Nov 20 2014
  UCD40289  Quercus dumosa Rodney Gale Myatt 1972-6-1 1686 Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  SACT002636  Quercus durata Michael Baad 1977-6-21 Placer 1.5 miles south of junction of road to Big Reservoir and Iowa Hill to Forest Hill Road 1158.0 Comment
  SACT002637  Quercus durata Michael Baad 1977-6-21 Placer 2 miles nouth of junction of road to Big Reservoir and Iowa Hill to Forest Hill Road 1158.0 Comment
  UC405479  Quercus durata W. W. Mackie 1904-4 Placer Newcastle Comment
  UCD40933  Quercus durata Sook Hong 1989-5-20 1 Placer Dry slope at the base of the waterfall along the road. 701 Comment
  CAS-BOT-BC105306  Quercus kelloggii Frances Price 1919-1 s.n. Placer Placerville - L. Tahoe Road Comment
  SBBG50715  Quercus kelloggii R. F. Denno 1967-5-6 75 Placer 1.5 mi N of Colfax, S of Bear River Comment
  UC1140073  Quercus kelloggii Marcus E. Jones, A. M. 1882-6-30 2871 Placer Emigrant Gap Comment
  UC5620  Quercus kelloggii A. Eastwood 1894-9-9 Placer Newcastle Comment
  UCSC009999  Quercus kelloggii Al Keuter 2014-6-15 00 101 B Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  SEINET10431542  Quercus kelloggii W. D. Billings 1940-5-18 s.n. Placer Gold Run. Comment
  SACT002710  Quercus vacciniifolia James Grove 1977-7-15 Placer 2000.0 Comment
  UC1135812  Quercus vacciniifolia R. W. Lundh 1933-4-26 232 Placer 3 mi s Signal Peak; Tahoe National Forest, Colfax Quad. 1828 Comment
  SEINET10437527  Quercus vacciniifolia T. C. Frantz 1951-5-22 s.n. Placer N end of Lake Tahoe, next to NV state line. Comment
  SACT002728  Quercus wislizeni Michael Baad 1983-4-9 Placer 1.5 - 3.5 ,miles south of junction with Auburn-Forest Hill Road. 1000' above Middle Fork of the American River 304.8 Comment
  SD262290  Quercus wislizeni Tom Scott, Gary Nakamura Feb 2009 2009 14 Placer Sierra Nevada Mtns. Foothills: Auburn, Hwy 49 at Auburn Bridge on American River; slopes on north side of canyon above highway. 198 Comment
  CDA19817  Quercus wislizeni var. wislizeni P. Akers 2002-4-14 s.n. Placer Northern California; E end of Clarke Tunnel Rd, N of Penryn. 0 Comment
  SEINET9363375  Raillardella argentea Unknown 2001-7-15 15964 Placer Uncom perennial in mats to 2ft across on open talus slopes, subalpine N summit face of Crows Nest Pk. immed. W of Sugarbowl. Heads discoid, disk flrs yellow. More than 1 individual included within this collection UTM: 10S, 4354335 N, 0728591 E Comment
  SEINET5501119 Image available Raillardella argentea Sally Walker 1982-8-4 Placer Above ski area, Tahoe. Comment
  CAS-BOT-BC379467  Ranunculus alismifolius R. K. Wellman 1981-5-15 36 Placer Emmigrant Gap Rd. of Hwy 80, Placer City city limits Comment
  UC827590  Ranunculus alismifolius var. alismellus A. A. Heller 1917-6-17 12712 Placer below Cisco; Yuba River 1676 Comment
  POM306475  Ranunculus alismifolius var. hartwegii M. L. Fernald 1893-3-23 s.n. Placer Truckee. 1768 Comment
  CAS-BOT-BC379380  Ranunculus alismifolius var. hartwegii L. S. Smith 1926-4-24 1786 Placer Tahoe Forest, Truckee R.S. 1829 Comment
  CAS-BOT-BC379392  Ranunculus alismifolius var. hartwegii Mrs. Jos. Clemens 1915-7-7 s.n. Placer near the summit of soapstone ridge in the Sierra Nevada, 12 mi west of Bucks 1676 Comment
  CAS-BOT-BC379435  Ranunculus alismifolius var. hartwegii A. A. Heller 1903-7-16 6945 Placer lower end of Donner Lake Comment
  JEPS127535  Ranunculus alismifolius var. lemmonii Steve Matson 1998-5-3 195 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, east of Martis Creek, logging road bridge. Comment
  UCD162516  Ranunculus aquatilis var. diffusus Steve Matson 2007-8-20 1704 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, in Martis Creek near Martis reservoir. 1780 Comment
  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
  UCD44426  Ranunculus californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1792 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SBBG2259  Ranunculus flammula E. R. Blakley 1960-9-3 3814 Placer Kings Beach, Lake Tahoe 1903 Comment
  SJSU9858  Ranunculus flammula R. L. Fisher 1982-9-14 Placer Yuba Gap, Hwy 40 1676 Comment
  RSA145542  Ranunculus flammula var. ovalis E. R. Blakley 1960-9-3 3814 Placer Kings Beach, Lake Tahoe. 1904 Comment
  CDA19566  Ranunculus occidentalis M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 224 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  UCSB22651  Ranunculus occidentalis Orr, K. 1966-4-5 Placer Along Goldrun Rd., 1.2 mile northeast of Interstate 80, Sierra Nevada foothills 1066 Comment
  POM100033  Ranunculus occidentalis var. ultramontanus Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  UCD54576  Ranunculus orthorhynchus Ellen Dean; Tammie Beyerl 2006-1-11 2770 Placer NW part of town of Auburn, north of municipal airport and south of Dry Creek Rd. 435 Comment
  UCD44729  Ranunculus orthorhynchus var. orthorhynchus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2095 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SEINET11526778  Raphanus raphanistrum Vetter 1955-4-23 8 Placer 0.5 mile W of Loomis. Comment
  CAS-BOT-BC59535  Rhamnus alnifolia Alice Eastwood 1912-6-15 434 Placer Deer Park Comment
  UCD36696  Rhamnus ilicifolia Beecher Crampton 1955-6-15 2871 Placer Head of Bunch Canyon, 0.5 mile south of U.S. Highway 40. Comment
  UC870854  Rhamnus rubra A. A. Heller 1917-6-19 12736 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC109795  Rhodiola integrifolia subsp. integrifolia John H. Thomas; Hazelle A. Thomas 1956-7-21 6117 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CDA38867  Rhododendron neoglandulosum T. C. Fuller 1973-8-23 199881 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  LA41035  Rhododendron occidentale A. A. Heller; 1917-6-19 12743 Placer Sierra Nevada, 8 mi. E of Colfax Comment
  CAS-BOT-BC108705  Ribes cereum Geo. B. Grant 1906-7-15 6978 Placer Tahoe Tavern Lake Tahoe. 1889 Comment
  CDA12418  Ribes cereum var. cereum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8546 Ab Placer Lake Tahoe; W end of Ward Valley, 4 mi SW of Tahoe City. Comment
  JEPS127484  Ribes inerme var. inerme Steve Matson 1997-7-25 136 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork Snow Creek; bog at western terminus of North Ave dirt extension. Comment
  HSC103235  Ribes montigenum Jade Paget-Seekins 2010-7-19 49 Placer Mountains west of Lake Tahoe, up Forest Route 3 past the Ellis Peak trailhead, left onto road toward Miller Meadows. 2280 Comment
  CAS-BOT-BC219174  Ribes nevadense A. A. Heller 1909-7-16 9832 Placer Summit 2133 Comment
  CAS-BOT-BC219209  Ribes nevadense Julia McDonald 1914-6-1 s.n. Placer Homewood Comment
  JEPS127483  Ribes nevadense Steve Matson 1997-7-20 122 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork Snow Creek; bog at western terminus of North Ave dirt extension. Comment
  UCR240950  Ribes nevadense George K. Helmkamp, E. A. Helmkamp 2012-9-25 19902 Placer Northern Sierra Nevada Mountains, Blue Canyon Road, 1.1 miles south of its intersection with I-80, c. 1/2 mi. south of Blue Canyon-Nyack Airport 1473 Comment
  UCD23385  Ribes roezlii K. A. Bear 1978-5-13 56 Placer Flowers white to pale pink with dark red sepals, leaves dark green above, lighter underneath. Shrub 2-3 ft tall. Rocky soil, yellow pine forest. Mosquito Ridge Rd 20.6 miles east of Forest Hill Rd. 1066 Comment
  RSA0018264  Ribes roezlii Alice Eastwood 1922-4-6 11119 Placer 3 miles above Colfax near the road. Comment
  RSA0018268  Ribes roezlii B. Bolt 1934-7-17 141 Placer 1/2 mile south of Lost Emigrant Mine. 2073 Comment
  CAS-BOT-BC186213  Ribes roezlii var. roezlii Bethel; Posey 1920-6-6 s.n. Placer Truckee Comment
  JEPS59416  Ribes viscosissimum Ezra Brainerd and Viola B. Baird 1915-7-15 135 Placer Five Lakes Sierra Nevada Mts. 2298 Comment
  UC170072  Ribes viscosissimum Miss Helen D. Geis 1912-6 219 Placer Deer Park Comment
  SEINET5339886  Ribes viscosissimum M. J. Williams 1985-7-6 85- 63 -6 Placer Pacific Crest Trail between old and new Donner Summits Comment
  OBI82257  Robinia pseudoacacia George K. Helmkamp, Mary Alice Barnes 2013-5-3 20490 Placer Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 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
  CAS-BOT-BC74620  Rorippa curvisiliqua Peter Rubtzoff; Edward W. Colson 1976-7-6 8715 Placer Sierra Nevada. Lake Van Norden. Adjacent to east end of lake. 2063 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
  JEPS102729  Rorippa curvisiliqua var. orientalis Lowell Ahart 2001-10-10 9365 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
  JEPS103349  Rorippa curvisiliqua var. orientalis Lowell Ahart 2002-7-22 9882 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UCR250078  Rorippa nasturtium-aquaticum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20501 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  CAS-BOT-BC74869  Rorippa subumbellata Miss M. E. Cantelow 1935-7-20 1026 Placer Brockway. Comment
  UCD113386  Rosa bridgesii G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12052 Placer Northern Sierra Nevada Mountains. Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCD16124  Rosa pisocarpa Dan Cederquist 1984-5-22 s.n. Placer Rollins Lake. Comment
  SEINET7665701  Rosa pisocarpa subsp. ahartii L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  CAS-BOT-BC146869  Rosa rubiginosa Saichi Kawahara 1969-5-24 841 Placer North side of bend on Colfax-Iowa Hill Road, 1 mile west of Iowa Hill 865 Comment
  CAS-BOT-BC147021  Rosa woodsii subsp. ultramontana C. B. Wolf 1931-9-10 2421 Placer Near R.R. between Tahoe Tavern and head of Truckee River (gates) 1920 Comment
  UCD17698  Rubus armeniacus H. Olmo; T. S. Mallah 1953-3-24 53 22 Placer California. Placer County: Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  CAS-BOT-BC248300  Rubus laciniatus George K. Helmkamp; E. A. Helmkamp 2010-8-11 16752 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  SD243197  Rubus laciniatus George K. Helmkamp, E. A. Helmkamp 2010-8-11 16752 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek. 1085 Comment
  SEINET5470384 Image available Rubus lasiococcus E. Neese 1980-10-15 9987 Placer Gold Run Rest area along I-80- 3000ft elev. Comment
  JEPS127445  Rubus parviflorus Steve Matson 1998-7-27 339 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; middle fork Snow Creek Comment
  SEINET7705864  Rubus parviflorus P. A. Lehenbauer 1933-8-6 2305 Placer Tahoe, near Homewood Comment
  UCD17694  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 21 B Placer California. Placer County: Placer Road in Auburn. Follow to bottom near new highway cut. Off Grass Valley Highway. Comment
  CDA36876  Rumex acetosella CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CHSC74249  Rumex acetosella Susi Urie; Eric Schroder 1998-9-8 98 -304 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCR260819  Rumex acetosella M. Kauffman 1997-5-18 20 Placer Sierra Nevada Mtns., 0.1 mile from Hwy 80 on Eagle Lakes Road 1768 Comment
  UC850576  Rumex salicifolius var. salicifolius A. A. Heller 1917-6-19 12773 Placer Emigrant Gap 1615 Comment
  CDA24985  Rumex salicifolius var. triangulivalvis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD42927  Sagina saginoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 295 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC267072  Sagittaria L. R. Abrams 1917-9-15 6761 Placer 3-5 miles above Auburn Comment
  UCD138052  Sagittaria latifolia Malcolm A. Nobs 1948-9-25 695 Placer south side of town. Highway 40, Roseville. Comment
  CAS-BOT-BC103063  Salix bonplandiana Gordon H. True 1968-7-30 4454 Placer Just east of Rocklin, on Rocklin Rd. 76 Comment
  CAS-BOT-BC103600  Salix eastwoodiae W. R. Dudley 1900-6-1 5354 Placer between head of Independence Lake and Mt. Lola Comment
  CAS-BOT-BC103618  Salix eastwoodiae Marcus E. Jones 1900-7-26 s.n. Placer Summit, Sierra Nevada Mts. 2499 Comment
  CAS-BOT-BC103562  Salix eastwoodiae W. R. Dudley 1900-6-14 5097 Placer East of hotel at Summit, Nevada-Placer Co. line Comment
  UC1134883  Salix geyeriana H. S. Yates 1934-6-29 3917 Placer near Tahoe City Tahoe City; Tahoe Nat'l Forest, Truckee Quadrangle Comment
  UCD43159  Salix lasiandra C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 527 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC125295  Salix lasiandra var. lasiandra W. R. Dudley 1900-6-29 5798 Placer Near Fish Hatchery, Tahoe City Comment
  CHSC13651  Salix lasiolepis E. L. Smith 1971-7-17 990 Placer At King's Beach. 1903 Comment
  POM362786  Salix lasiolepis Glenn A. Gorelick 1965-8-21 s.n. Placer Emigrant Gap. Comment
  UCD58334  Salix lasiolepis Michael Persichetty 2007-6-5 1 Placer Alta. North side of Spaulding Point. 1219 Comment
  UCD58335  Salix lasiolepis Michael Persichetty 2007-6-6 2 A Placer Alta. North side of Spaulding Point. 1219 Comment
  CAS-BOT-BC128473  Salix lasiolepis var. lasiolepis W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat Comment
  CHSC9642  Salix lasiolepis var. lasiolepis E. L. Smith 1971-7-27 1013 Placer W end of Putt Reservoir just e of Blue Canyon Road ca. 2 mi w of Emigrant Gap. 1706 Comment
  CAS-BOT-BC124765  Salix lemmonii W. R. Dudley 1900-6-20 5349 Placer on north side of Independence Lake Comment
  CAS-BOT-BC124776  Salix lemmonii W. R. Dudley 1900-6-14 5066 Placer Between Donner Lake and Summit Comment
  CHSC13660  Salix lemmonii E. L. Smith 1971-4-17 982 Placer At Yuba Gap ca. 7 km e of Emigrant Gap. 1770 Comment
  CAS-BOT-BC125099  Salix ligulifolia Helen La Plant 1964-6-1 s.n. Placer Ward Creek near Lake Tahoe Comment
  RSA28828  Salix ligulifolia A. A. Heller 1917-6-19 12733 Placer Emigrant Gap. 1616 Comment
  CAS-BOT-BC129516  Salix melanopsis W. R. Dudley 1900-6-1 5526 Placer Lake shore above McKinney Comment
  CAS-BOT-BC129522  Salix melanopsis L. S. Smith 1931-8-27 2628 Placer French Mdws., Tahoe N.F. - along middle fork American River below Chalk Bluff crossing. Comment
  UCD22319  Salix orestera Rex Palmer 1979-6-21 N 412 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC129084  Salix scouleriana Beecher Crampton 1975-10-14 9321 Placer Blue Canyon airport area 1524 Comment
  RSA1844  Sambucus caerulea C. B. Wolf 1930-10-11 1729 Placer 4 miles west of Emigrant Gap 1524 Comment
  UCR229555  Sambucus mexicana George K. Helmkamp, E. A. Helmkamp 2011-7-26 17902 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  JEPS111120  Sambucus racemosa var. microbotrys Steve Matson 2005-7-30 1427 Placer Squaw Valley ski area, about 1.6 km SSW of High Camp (top of tramway), east side of Emigrant Pass (below snowfield); 39.1902 N, 120.2763 W; elevation 8,600 ft. 2621 Comment
  CAS-BOT-BC235191  Sambucus racemosa var. racemosa L. S. Smith 1926-6-8 1894 Placer Tahoe National Forest. English Mt. Ridge above Meadow Lake 2286 Comment
  CDA24988  Sanguisorba annua J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  SD81038  Sanguisorba annua Darley F. Howe 1971-7-3 Placer Truckee 1829 Comment
  SD254703  Sanguisorba minor subsp. muricata George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22416 Placer Sierra Nevada Mountains Foothills: Yankee Jim Road, 3.6 mile northwest of its junction with Foresthill Road. 651 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
  UC303481  Sanicula bipinnatifida Mary E. Pulsifer Mar. 1895 4 Placer Auburn Comment
  UC420483  Sanicula bipinnatifida C. F. Sonne 1891-5-17 1465 Placer Colfax Comment
  SEINET11155802  Sanicula bipinnatifida C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer 0.5 mile E of junction of old and new Auburn Roads with Forest Hills Road. 792 Comment
  SEINET11155811  Sanicula bipinnatifida D. E. Brix 1962-3-17 s.n. Placer North Fork American River, 3.5 miles NE of Auburn. 518 Comment
  SEINET11155828  Sanicula bipinnatifida C. Bailey, H. Mozingo 1979-3-31 14 Placer Near Auburn, New Forest Hill Road, 0.5 miles E of its junction with Old Forest Hill Road. 792 Comment
  JEPS111290  Sanicula graveolens Steve Matson 2005-7-10 1391 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
  UCSB32300  Sanicula graveolens Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  SEINET3480979  Sanicula tuberosa L. S. Rose 1941-7-18 1911 Placer Lake Tahoe, Lake Tahoe, Chambers Lodge (McKinney) Comment
  UCR190848  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2007-5-23 12062 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  UCR207108  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2009-7-16 15226 Placer Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  SEINET11160323  Sanicula tuberosa M. Demorest 1962-3-15 s.n. Placer Junction of North and Middle Forks American River, 4 miles from Auburn. 274 Comment
  UC1598738  Sanicula tuberosa Mrs. M. M. Hardy 1893-1 Placer in Placer County Placer County Comment
  CHSC9511  Sarcodes sanguinea J. F. Goodwin 1971-7-10 153 Placer 1 mi W of Lake Tahoe at end of Old County Road, 2.3 mi SW of Cornelian Bay. 1981 Comment
  CAS-BOT-BC466338  Sarcodes sanguinea Greg de Nevers 1991-7-24 9760 Placer Ward Creek Valley, S of Sunnyside 1950 Comment
  CAS-BOT-BC436849  Saxifraga G. Earnhart 1961-3-18 10 Placer 2 1/2 miles east of Auburn, north fork of American River 396 Comment
  SEINET12220592  Saxifraga bryophora C. F. Sonne 1884-1 s.n. Placer above Coldstraw Comment
  JEPS72254  Saxifraga tolmiei Gladys L. Smith, Betsy Wilson 1972-8-26 Placer Granite Chief 2560 Comment
  UCD128066  Scandix pecten-veneris Lynn Gould 1962-4-14 39 Placer 0.5 mile northwest of Rocklin. Comment
  UCD44575  Scirpus congdonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1941 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD158886  Scirpus diffusus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 255 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC110996  Scirpus microcarpus Margaret Williams 1974-8-8 74 -P1-11 Placer Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  CDA3394  Scleranthus annuus G. D. Barbe 1985-7-15 4239 Placer Meadow Vista Community Park, 10 miles east of Auburn. 0 Comment
  CHSC91626  Scribneria bolanderi M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 231 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  UCR146679  Scribneria bolanderi Beecher Crampton 1954-5-14 1901 Placer Sacramento Valley, 2 miles northwest of Roseville; Diamond K Ranch 46 Comment
  UCD21913  Scrophularia californica Beth Lowe Corbin 1982-8-25 422 Placer 1 mile SW of Rowton Park. In moist fine, sandy, disturbed soil in logged White Fir forest. Herb up to 2 1/2' high. Flowers dark brownish red. Full sun. SE facing slope, 20% incline. Occasional. 1981 Comment
  POM42824  Scrophularia californica subsp. floribunda Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
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  JEPS11416  Scrophularia californica subsp. floribunda R. F. Hoover 1939-5-10 4088 Placer 2 mi e Lincoln Comment
  UC884216  Scutellaria tuberosa Alice Eastwood, John Thomas Howell 1937-5-8 4335 Placer near Auburn (on road to Grass Valley) Comment
  SD113261  Scutellaria tuberosa Darley F. Howe 1965-5-21 4065 Placer Canyon on south side of north fork of American River between Forest Hill and Yankee Jims. 914 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
  RSA0029340  Sedum lanceolatum John F. Emmel 1991-7-23 1190 Placer Sierra Nevada, Donner Pass area: along Pacific Crest Trail south above Donner Pass, on slope ca. 0.3 air mi east of Lake Mary. 2226 Comment
  SCFS11529125  Sedum obtusatum E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing on wet rocks next to stream. Comment
  UCD75750  Sedum obtusatum Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5217 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  JEPS124761 Image available Sedum obtusatum Stamps 1967-7-12 56 Placer High in a crevice on a granite cliff, about 100 yards north of Highway 40. 2.5 mi west of Kingvale. Comment
  SEINET8552381  Sedum oreganum subsp. oreganum P. B. Kennedy 1901-8-21 424 Placer Middle Fork of American River. Comment
  CAS-BOT-BC59086  Sedum spathulifolium Marcus E. Jones 1882-6-30 3345 Placer Emigrant Gap Comment
  RSA0074742  Sedum spathulifolium Marcus E. Jones 1882-6-30 3345 Placer Emigrant Gap. Comment
  SD62150  Sedum spathulifolium Darley F. Howe 1965-5-21 Placer Canyon on south side of north fork of American River near Forest Hill. 455 Comment
  CAS-BOT-BC69717  Selaginella wallacei G. L. Stebbins 1969-11-20 6981 Placer Shirttail Canyon, road from Colfax to Forest Hill, mile east of bridge across North Fork, American River. 365 Comment
  CAS-BOT-BC69721  Selaginella wallacei G. Ledyard Stebbins 1969-11-30 6981 Placer Shirttail Canyon on Colfax - Forest Hill Road. 365 Comment
  CAS-BOT-BC363912  Senecio integerrimus var. exaltatus M. Alice King 1923-6-1 s.n. Placer Summit Comment
  SJSU5628  Senecio integerrimus var. exaltatus N. D. Addy 1962-7-7 163 Placer soil by Hwy 50, 3 mi NE of Echo summit 1981 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-BC364031  Senecio integerrimus var. major A. A. Heller 1917-6-17 12691 Placer Near the Yuba River below Cisco 1676 Comment
  JEPS72238  Senecio integerrimus var. major Gladys L. Smith 1972-6-20 3232 Placer from chairlift terminus to ultimate summit peak Ward Peak 2632 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
  UCD170424  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
  UCR191103  Senecio integerrimus var. major George K. Helmkamp, E. A. Helmkamp 2007-6-12 12328 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  CAS-BOT-BC364759  Sericocarpus oregonensis subsp. californicus Ira L. Wiggins 1933-8-21 6789 Placer Shores of Lake Tahoe, near Tahoma Comment
  CAS-BOT-BC364761  Sericocarpus oregonensis subsp. californicus A. A. Heller 1926-9-3 14332 Placer Seven miles east of Auburn along the Lincoln highway Comment
  UCD38937  Sericocarpus oregonensis subsp. californicus Beecher Crampton 1961-9-27 6020 Placer Blue Canyon. 1430 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
  RSA252693  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Southeast corner Newcastle Road and Brenner Road, Newcastle. Comment
  HSC26233  Setaria pumila Thomas W. Nelson 1972-11-25 706 Placer Beside Del Oro Rd., near Roseville, Ca Comment
  UC889388  Sherardia arvensis C. L. Hitchcock 1940-5-7 6352 Placer ca 1 mi w Baxter Comment
  JEPS71940  Sibbaldia procumbens Gladys L. Smith 1972-8-25 3407 Placer trail to Granite Chief (slope between Shirley chairlift and Watson Memorial) 2560 Comment
  CAS-BOT-BC438825  Sidalcea asprella subsp. asprella George K. Helmkamp; Mary Alice Barnes 2013-5-3 20463 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  UCD116589  Sidalcea calycosa Ted Niehaus 1959-5-3 99 Placer north shore of Folsom Lake at Granite Bay Park, 100 yards from lake. Comment
  UCD164649  Sidalcea calycosa Brandi Sorensen 1995-5-12 6 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  UCR249603  Sidalcea calycosa subsp. calycosa George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20826 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  SEINET3134727  Sidalcea glaucescens L. S. Rose 1938-9-14 38362 Placer South Fork of Yuba River, 3 mi. E of Cisco 1737 Comment
  UC750673  Sidalcea glaucescens Lewis S. Rose 1941-7-14 41314 Placer Homewood , Homewood (Lake Tahoe) 1920 Comment
  POM282876  Sidalcea glaucescens Lyman Benson 1933-6-26 4545 Placer 4 miles west of Donner Pass, Sierra Nevada, Bear River Watershed, Canadian zone, US 40. 1982 Comment
  SEINET8944245  Sidalcea glaucescens P. A. Lehenbauer 1932-6-26 s.n. Placer Lake Tahoe, near Tavern. Comment
  SEINET8944836  Sidalcea glaucescens L. R. Miller 1934-7-18 s.n. Placer Cisco. Comment
  POM260017  Sidalcea hartwegii C. L. Hitchcock 1940-5-15 6404 Placer 6 miles N of Colfax Comment
  SD44647  Sidalcea hartwegii Darley F. Howe 1951-5-2 2107 Placer 4.0 miles north of Auburn. 456 Comment
  POM163316  Sidalcea hartwegii R. C. Bacigalupi, H. E. McMinn, Mason 1926-5-28 1499 Placer At Rose Springs, about halfway between Folsom and Lommis. Lower foothills, sourthen Placer County Comment
  UCD15658  Sidalcea malviflora Jessica Le 1989-6-3 19 Placer Out of Colfax city, onto Rd 174. 609 Comment
  POM260018  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1940-5-7 6338 Placer 1 mile west of Baxter Comment
  UCR170806  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2005-9-30 9950 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR233237  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2011-7-9 17695 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  CDA12412  Sidalcea oregana subsp. spicata G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8540 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CHSC74232  Sidalcea oregana subsp. spicata Susi Urie 1998-8-29 98 -158 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  LA83273  Sidalcea oregana subsp. spicata O. H. Kappler; 1946-7-18 1318 Placer Lake Tahoe, NW shore 1920 Comment
  SBBG117216  Sidalcea oregana subsp. spicata B. Crampton 1972-7-26 8838 Placer Carpenter Flat, E of Emigrant Gap 1615 Comment
  UC112803  Sidalcea oregana subsp. spicata Katharine Brandegee 1908-7-15 Placer summit Donner Comment
  UCD43090  Sidalcea oregana subsp. spicata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 458 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS67265  Sidalcea oregana subsp. spicata C. F. Sonne 1886-7-11 342 Placer road to Hotsprings Sierra Nevada, road to Hotsprings (Tahoe) 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
  UC163966  Silene douglasii H. M. Hall 1910-7-4 8742 Placer near Cisco; near Cisco 1890 Comment
  CAS-BOT-BC386981  Silene douglasii C. F. Sonne 1885-7-12 194 Placer Sierra Mountains Comment
  POM89175  Silene douglasii var. douglasii Katherine Brandegee 1917-08 s.n. Placer Cisco Comment
  SEINET3155749  Silene douglasii var. monantha H. M. Hall 1910-7-4 8742 Placer Near Cisco, upper transition zone, 1890 Comment
  CAS-BOT-BC386895  Silene gallica John Thomas Howell; Gordon H. True 1971-5-26 47620 Placer northern limits of Lincoln 48 Comment
  CAS-BOT-BC541422  Silene invisa G. Ledyard Stebbins; Charlotte Pyles 1979-7-31 s.n. Placer North slope of ridge betweejn Soda Springs, on North Fork American River, and Peak 2346 Comment
  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
  UCD164612  Silene laciniata subsp. californica Brandi Sorensen 1995-6-1 19 Placer .73 kilometers northwest of Colfax. 671 Comment
  CAS-BOT-BC181345  Silene latifolia Margaret J. Williams; Dieter Schacht 1987-6-19 87- 20 -1 Placer Near Hwy 89, just west of Tahoe City 1905 Comment
  CHSC10828  Silene lemmonii Lowell Ahart 1969-7-30 Placer Handy Camp, French Meadows. 1524 Comment
  CAS-BOT-BC181373  Silene occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco 1800 Comment
  POM100978  Silene 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
  SD103520  Sisyrinchium halophilum Darley F. Howe 1978-7-15 Placer Along State Highway 20, 29 miles west of Truckee. 1646 Comment
  SACT002213  Sitanion hystrix D. Meyer Placer South of Truckee, campground along Truckee River. 1828.0 Comment
  SACT002214  Sitanion hystrix D. Meyer 1983-7-24 Placer North of Interstate 80, roadside. 909.0 Comment
  SACT002218  Sitanion hystrix D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT002220  Sitanion hystrix D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City shopping center, near Lake shore. 1891.0 Comment
  SACT002227  Sitanion hystrix D. Meyer 1983-6-25 Placer 1418.0 Comment
  UC844175  Smilacina racemosa Alice Eastwood Jun 15 1912-Jun 19 1912 411 Placer Deer Park Lake Tahoe Region Comment
  CAS-BOT-BC156841  Solanum umbelliferum J. T. Howell 1943-7-25 18806 Placer West side of Donner Pass near Norden 2134 Comment
  UC570690  Solanum umbelliferum Herbert L. Mason 1926-5-28 3269 Placer 5 mi above Auburn Comment
  SEINET3162627  Solanum xanti W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  UCD127066  Solanum xanti Ted Niehaus 1959-5-3 94 Placer small knoll 100 yards from lake, north shore of Folsom Lake, Granite Bay park, Comment
  UCD159473  Solidago D. S. Park 2010-8-21 227 Placer Off Hampshire Rocks Rd. Shaded understory. 1788 Comment
  UCR260078  Solidago californica George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22420 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  CHSC73660  Solidago elongata L. P. Janeway; Eric Schroder 1998-9-16 6331 Placer 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
  JEPS32359  Solidago elongata L. S. Smith 1925-8-12 1698 Placer Millers Defeat which is about 2 1/2 mi s Duncan Peak (road to Last Chance); Millers Defeat 1859 Comment
  CAS-BOT-BC365113  Solidago velutina subsp. californica A. A. Heller 1926-9-3 14331 Placer Seven miles east of Auburn along the Lincoln Highway Comment
  UC579222  Solidago velutina subsp. californica G. T. Nordstrom 1934-6-21 130 Placer 4/10 mi w by nw Mammoth Springs; Colfax Quad. Comment
  UCD33747  Solidago velutina subsp. californica Beecher Crampton 1972-7-26 8860 Placer old Cisco Grove site. 1676 Comment
  CHSC96473  Soliva sessilis Lowell Ahart; Brian Williams 2007-4-13 13634 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CDA36903  Sonchus asper CDFA Staff 1995-6-12 s.n. Placer Dry Creek. 0 Comment
  CAS-BOT-BC157304  Sorbus californica A. A. Heller 1909-7-16 9835 Placer Summit 2133 Comment
  UC128209  Sorbus californica Miss Harriet A. Walker 1908-7-26 1445 Placer Cisco 1810 Comment
  UC861955  Sorbus californica Lewis S. Rose 1940-5-29 40421 Placer Cisco 1737 Comment
  SACT002282  Sorghum halepense D. Meyer 1984-5-28 Placer Next to orchard 206.0 Comment
  SCFS11529160  Sparganium angustifolium E. Krimmel, F. Felix 2014-8-7 Placer Seasonal pool Comment
  UCD94791  Sparganium natans Malcolm A. Nobs; S. Galen Smith 1949-8-21 1509 Placer Between Sandy Beach and Agate Bay, N end of Lake Tahoe. Comment
  UCR233270  Spartium junceum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17679 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  CAS-BOT-BC389927  Spergula arvensis Beecher Crampton 1977-3-8 9452 Placer S.W. of Lincoln along Fiddyment road Comment
  CHSC81777  Spergularia rubra Lowell Ahart 2001-10-10 9363 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  CAS-BOT-BC390675  Spergularia rubra G. B. Rossbach; R. P. Rossbach 1938-7-23 658 Placer From Pass above Donner Lake, near the Nevada and Placer Co. line 2164 Comment
  UCD21630  Sphenosciadium capitellatum Rex Palmer Date Unknown 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
  CDA16035  Spiraea splendens G. F. Hrusa, J. Glazner 2000-9-3 15678 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UCD33392  Sporobolus cryptandrus Beecher Crampton 1967-7-26 8156 Placer 1 mile W of Gold Run on Interstate Hwy. 80. 914 Comment
  UCD33482  Sporobolus cryptandrus Beecher Crampton 1968-9-18 8384 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 Comment
  UCD93129  Sporobolus cryptandrus Beecher Crampton 1968-9-18 8384 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 Comment
  UCD93131  Sporobolus cryptandrus Beecher Crampton 1969-10-9 8518 Placer Ca. 4 miles E of Cisco Grove, Interstate Hwy. 80 westbound, Big Bend area. 1828 Comment
  JEPS127473  Stachys ajugoides Steve Matson 1998-7-15 373 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west fork. Comment
  SBBG6551  Stachys rigida E. R. Blakley 1960-9-3 3810 Placer Kings Beach, Lake Tahoe 1903 Comment
  UCD43293  Stachys rigida subsp. rivularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 661 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  UCR171735  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-9 10059 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  SEINET5337366  Stellaria media M. Demorest 1962-3-15 s.n. Placer Junction of North and Middle Forks of American River. 274 Comment
  CAS-BOT-BC375008  Stenotus acaulis L. S. Smith 1928-7-18 2483 Placer Tahoe National Forest. Ward Peak 2438 Comment
  CAS-BOT-BC375010  Stenotus acaulis C. F. Sonne 1885-7-12 138 Placer Sierra Nevada Mts. Tinker's Knob 2895 Comment
  UC480765  Stenotus acaulis W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak Comment
  SACT002315  Stipa californica Michael Baad 1983-7-23 Placer 1/8 miles west of HIghway. 1828.0 Comment
  SACT002321  Stipa californica D. Meyer 1983-8-20 Placer To summit at first lake, steep rocky trail with some moist meadow areas. 2000.0 Comment
  SACT002332  Stipa californica Michael Baad 1976-7-17 Placer Collected in ski area on trail to Five Lakes. Southeast corner of northeast corner. 2072.0 Comment
  SACT002342  Stipa columbiana D. Meyer 1983-7-30 Placer Moist areas in both sides of road. 2072.64 Comment
  UCD55562  Stipa columbiana Rex Palmer 1979-6-19 N 254 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC5668  Stipa lemmonii var. jonesii Marcus Eugene Jones 1882-6-28 3298 Placer Emigrant Gap Comment
  OBI20289  Stipa occidentalis var. californica Robert F. Hoover 1967-9-7 10854 Placer Antone Meadow Comment
  SACT002396  Stipa pulchra Josephine Van Ess 1977-5-16 Placer Collected just inside park area near Folsom Lake. Opening in chaparral. 176.8 Comment
  SACT002397  Stipa pulchra Josephine Van Ess 1977-4-22 Placer Collected north of Athens Road. Railroad embankment. 39.6 Comment
  CAS-BOT-BC87764  Streptanthus tortuosus Lewis S. Rose 1941-7-23 41355 Placer Chambers Lodge, (McKinney), Lake Tahoe. 1920 Comment
  CDA11987  Streptanthus tortuosus G. F. Hrusa 1995-5-2 12168 Placer Sierra Nevada; Approx. 4 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  CDA12296  Streptanthus tortuosus G. F. Hrusa 1989-5-2 7063 Placer Sierra Nevada; approx. 5 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. 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
  CHSC11378  Streptanthus tortuosus Lowell Ahart 1962-7-11 Placer Ahart Camp, French Meadows. 1676 Comment
  RSA35115  Streptanthus tortuosus L. S. Rose 1944-7-13 44101 Placer Chambers Lake, Lake Tahoe. 1921 Comment
  SD237393  Streptanthus tortuosus G. K. Helmkamp, E. A. Helmkamp 2009-5-7 14622 Placer Sierra Nevada Mountains Foothills: Oxbow road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir (Michigan Bluff 7.5'Q) 402 Comment
  UC856776  Streptanthus tortuosus var. orbiculatus A. A. Heller 1917-6-17 12690 Placer near the Yuba River below Cisco 1676 Comment
  UCR193336  Streptanthus tortuosus var. orbiculatus George K. Helmkamp, E. A. Helmkamp 2007-5-30 12174 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  JEPS81209  Styrax officinalis var. redivivus Douglas W. James Jr. 1973-5-27 119 Placer off Mosquito Ridge Road about 2 mi from Forest Hill 853 Comment
  UCR208267  Styrax officinalis var. redivivus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14648 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 8.9 miles east of its junction with Forest Hill Road in Foresthill 476 Comment
  JEPS32511  Styrax officinalis var. redivivus Alice King 1920-1 Placer Rattlesnake Bend Comment
  RSA654887  Styrax redivivus G. Fred Hrusa 1995-5-20 12172 Placer below Mosquito Ridge Road, approximately 1 km east of crossing of North Fork of Middle Fork of the American River. 500 Comment
  UCD22160  Symphoricarpos Beth Lowe Corbin 1982-8-3 199 Placer Hill west of Onion Creek Campground. 1853 Comment
  UCD69170  Symphoricarpos albus var. laevigatus D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-9 s.n. Placer Blue Canyon.Tahoe National Forest. 1550 Comment
  CAS-BOT-BC215299  Symphoricarpos mollis Marcus E. Jones 1882-6-27 3292 Placer Emigrant Gap Comment
  CHSC9531  Symphoricarpos mollis J. F. Goodwin 1971-7-10 159 Placer Approx. 1 mi west of Lake Tahoe at end of Old County Road, 2.3 mi SW of Cornelian Bay. 1981 Comment
  UC1119969  Symphoricarpos mollis N. French 1933-9-14 104 Placer Greek Store; Tahoe National Forest, Colfax Quad. 1676 Comment
  JEPS59431  Symphoricarpos rotundifolius var. rotundifolius Ezra Brainerd and Viola B. Baird 1915-7-9 151 Placer Bear Rock; Sierra Nevada Mts. 1889 Comment
  JEPS126321  Symphyotrichum bracteolatum Steve Matson 2003-8-4 658 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; nearly one mile SW of Parking lot and picnic spot south side of Highway 267, along Lookout Mountain Creek. Comment
  UCD159474  Symphyotrichum foliaceum var. parryi D. S. Park 2010-8-21 228 Placer Off Hampshire Rocks Rd. Shaded understory. Also adundant around exit to highway I-80. 1788 Comment
  CAS-BOT-BC98047  Symphyotrichum lentum A. A. Heller 1926-9-3 14330 Placer Seven miles east of Auburn along the Lincoln highway Comment
  CAS-BOT-BC98476  Symphyotrichum spathulatum W. R. Dudley 1909-8-23 s.n. Placer Tahoe Tavern, Lake Tahoe Comment
  UC128133  Symphyotrichum spathulatum Miss Harriet A. Walker 1908-7-26 1437 Placer Cisco 1810 Comment
  CAS-BOT-BC98484  Symphyotrichum spathulatum R. F. Hoover 1967-9-6 10848 Placer Kings Beach, Lake Tahoe Comment
  CAS-BOT-BC98924  Symphyotrichum spathulatum var. intermedium Elizabeth Parsons Hawver 1911-8-1 s.n. Placer Sunnyside - Lake Tahoe Regeion Comment
  CHSC74201  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-26 98 -114 Placer Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD33677  Tanacetum vulgare Beecher Crampton 1971-8-18 8753 Placer Lake Tahoe, Tahoe Vista. 1920 Comment
  CAS-BOT-BC376912  Taraxacum officinale Saichi Kawahara 1969-5-25 1002 Placer Mel Henderson Ranch, east of Indian Creek 987 Comment
  CHSC68043  Taraxacum officinale James D. Jokerst 1986-7-13 2700 Placer Trail from the Cedars, high Sierra Nevada SW of Donner Lake, camp area. 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
  UCD21792  Taraxacum officinale Rex Palmer 1979-5-27 N 51 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD44669  Taraxacum officinale C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2035 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UC146431  Taraxia tanacetifolia Miss Harriet A. Walker 1910-6-18 2135 Placer near R.R. track; Truckee Comment
  UC9  Taxus brevifolia H. N. Bolander 1865-4-13 4554 Placer Forest Hills Comment
  CAS-BOT-BC392403  Thalictrum fendleri Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco Comment
  CDA25003  Thalictrum fendleri J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC477528  Thalictrum fendleri L. S. Smith 1931-6-3 2552 Placer ravine below Duncan Fk.; Tahoe Nat. Forest 1981 Comment
  CAS-BOT-BC392398  Thalictrum fendleri Geo. B. Grant 1905-7-15 7008 Placer Tahoe Tavern, Lake Tahoe Comment
  RSA399564  Thalictrum fendleri Unspecified 1931-7-5 s.n. Placer Near Meeks Bay, Lake Tahoe. Comment
  UCD42833  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 199 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD96804  Thalictrum fendleri var. fendleri G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12633 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCR189636  Thalictrum fendleri var. fendleri George K. Helmkamp, E. A. Helmkamp 2007-7-27 12633 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  SEINET6627107  Thelypteris nevadensis P. B. Kennedy 1901-8-21 425 Placer Middle Fork of American River Comment
  JEPS126413  Thlaspi arvense Steve Matson 2002-6-29 538 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; on east side of pond near Highway 28. Comment
  CAS-BOT-BC88167  Thysanocarpus curvipes G. L. Stebbins 1978-5-28 7884 Placer West side of Big Crater. 1280 Comment
  SEINET7249067  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  RSA0039368  Thysanocarpus curvipes var. curvipes Barbara Ertter, David Thompson 1989-4-9 8194 Placer Halfway down road to Lake Clementine (=North Fork Lake) NE of Auburn. 304 Comment
  UCD116044  Thysanocarpus radians Allan R. Magie 1957-4-14 121 Placer Auburn. Comment
  JEPS54221  Thysanocarpus radians Alice King Jun 1920 Placer Del Paso Park Roseville Comment
  UCR249596  Torilis arvensis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20813 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  MACF014987  Torreya californica Faye. A. McFadden 1934-7-2 12718 Placer American River, 1 mi. east of Rawhide Mine; Placer County Comment
Read comments
Oct 17 2016
  UCD133442  Torreya californica Eric Brenner; John Hunter 1996-5-26 4 Placer Placer County, Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCD22061  Toxicoscordion venenosum var. venenosum Rex Palmer 1979-6-19 N 228 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22063  Toxicoscordion venenosum var. venenosum Beth Lowe Corbin 1982-8-9 280 Placer 1/3 mile SW of Onion Creek Campground. 1856 Comment
  RSA101426  Trautvetteria grandis R. Weatherby 1955-8-9 1679 Placer S Fork Haskins Creek, 2 miles S of Bucks Lake. 1646 Comment
  SEINET3224367 Image available Trichostema oblongum Marcus E. Jones 1882-6-30 2831 Placer Emigrant Gap. Comment
  SBBG58472  Trientalis latifolia M. N. Ackley -Jun-1925 798 Placer Towle 1127 Comment
  UC1123290  Trientalis latifolia N. French 1934-6-15 411 Placer Tahoe National Forest, Scott Hill Scott Hill; Tahoe National Forest, Scott Hill 1463 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
  CHSC73045  Trifolium cyathiferum L. P. Janeway 1998-8-6 5970 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC73950  Trifolium cyathiferum Susi Urie 1998-8-25 98 -093 Placer About 0.2 mi north of Lake Tahoe. Large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS127545  Trifolium cyathiferum Steve Matson 1997-7-10 87 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; North Ave. dirt road extension to meadow near west fork of Snow Creek. Comment
  RSA20896  Trifolium depauperatum Carl B. Wolf 1937-3-30 8359 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 Comment
  UC1585951  Trifolium depauperatum var. depauperatum Barbara Ertter with David Thompson 1989-4-9 8186 Placer 6.2 mi sw Spring Garden Rd (Auburn-Forest Hill Rd, ca 8 air mi ne of Auburn) Comment
  CHSC114150  Trifolium dubium G. K. Helmkamp; E. A. Helmkamp 2010-4-17 15884 Placer Sierra Nevada Mountain Foothills: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA-49 near Pilot Hill. 314 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
  SD248417  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 961 Comment
  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
  UCR231899  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2011-4-10 17152 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  UCR253553  Trifolium dubium George K. Helmkamp, Amy Barnes 2014-4-23 22805 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  SEINET7413854  Trifolium gracilentum A. Allen 1950-4-29 15 Placer 2 miles east of Roseville on highway 40 Comment
  UCD111201  Trifolium hirtum M. H. Mills 1996-4-21 161 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCD39208  Trifolium hirtum Beecher Crampton 1953-5-26 1338 Placer 2 miles north of Lincoln, Sunnybrook Farm. 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
  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
  UCR257598  Trifolium hirtum George K. Helmkamp, Amy Barnes 2014-3-21 22643 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  SEINET13203264 Image available Trifolium incarnatum George K. Helmkamp, Amy Barnes 2013-1 20233 Placer Eastern Sacramento Valley: NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 (Sheridan 7.5' Q.) 43 Comment
  SEINET7072696  Trifolium incarnatum A. G. Vestal 1963-5-6 s.n. Placer North of Loomis and southeast of Lincoln on Sierra College Blvd. [Humphrey Road]. UTM Zone 10, 654588E, 43033126mN. Coordinate datum: NAD 27. Comment
  UC569916  Trifolium kingii var. productum B. Bolt 1934-7-17 136 Placer 1/2 mi s Walker Mine; Truckee Quadrangle 1920 Comment
  JEPS59436  Trifolium longipes Ezra Brainerd and Viola B. Baird 1915-7-25 156 Placer Sierra Nevada Mountains; Deer Park Comment
  UC866865  Trifolium macraei Eliz. Parsons Hawver 1913-5-1 Placer Auburn Comment
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Feb 7 2017
  CDA37046  Trifolium microcephalum CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UC750575  Trifolium microcephalum Lewis S. Rose 1946-6-23 46190 Placer n Cisco (Rainbow) Comment
  UCR194699  Trifolium microcephalum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12203 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  UCD109207  Trifolium monanthum R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  UC16895  Trifolium monanthum subsp. parvum C. F. Sonne July 1889 13 Placer above Coldsman (canyon) Comment
  POM20464  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-11 8759 Placer Yuba River at Cisco Flats. 1740 Comment
  CAS-BOT-BC230180  Trifolium productum Dr. Kellogg No date on label s.n. Placer Cisco Comment
  JEPS113118  Trifolium subterraneum Lowell Ahart, Brian Williams 2007-4-13 13647 Placer On damp granite soil, margins and bottoms of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UCR249555  Trifolium subterraneum George K. Helmkamp 2013-3-1 20151 Placer Sacramento Valley, Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  UCD33051  Trifolium variegatum Beecher Crampton 1966-4-14 7647 Placer Placer County, 2.5 miles east of Lincoln. Comment
  UC16836  Trifolium variegatum var. melananthum H. N. Bolander 1865-4-11 4539 Placer near Auburn Comment
  CHSC24636  Trifolium willdenovii T. C. English 1976-4-11 23 Placer Located 2 mi w Hwy 49 bridge over N Fork of American River on n edge of abandoned R.R. 335 Comment
  UC16909  Trifolium willdenovii Mrs. M. M. Hardy 1893-1 Placer Comment
  POM182474  Trifolium wormskioldii Katherine Brandegee 1911-07 s.n. Placer Tahoe Tavern. Comment
  SEINET13750242  Triphysaria eriantha P. A. Lehenbauer 1937-4-11 s. n. Placer Auburn Comment
  SEINET13750545  Triphysaria eriantha D. F. Erskine 1941-4-28 14 Placer 2 miles E of Roseville. 76 Comment
  HSC82520  Triphysaria eriantha subsp. eriantha Thomas W. Nelson, Jane Nelson 1979-4-11 4595 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UC219136  Triphysaria eriantha subsp. eriantha Mary E. Pulsifer Ames Mar, 1895 Placer Auburn Comment
  UCR198418  Triphysaria pusilla George K. Helmkamp, E. A. Helmkamp 2008-4-17 13286 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  SD241198  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2011-4-10 17174 Placer Sacramento Valley: 2 miles east of Hwy 65 in Lincoln, along CA-193 just west of the junction with Stardust Lane (Lincoln 7.5'Q) 75 Comment
  UC1133266  Trisetum projectum B. Bolt 1934-8-14 177 Placer Red Star Ridge Tahoe National Forest, Truckee Quadrangle (e slope) Comment
  UCD21587  Trisetum projectum E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1250 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, ascending ridge. 2200 Comment
  UCR146856  Trisetum projectum Beecher Crampton 1964-7-21 7115 Placer Sierra Nevada Mtns, 0.5 mile WNW of Cisco Grove on US Hwy 40 1707 Comment
  UC662468  Triteleia bridgesii Dorothy Law 1941-5-15 Placer Auburn Sierra Nevada foothills Comment
  RSA21430  Triteleia hyacinthina Carl B. Wolf 1937-5-12 8610 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  SD236128  Triteleia hyacinthina G. K. Helmkamp, E. A. Helmkamp 2008-4-17 13295 Placer Sacramento Valley: Ranch House Road, 0.2 mile southeast of Sheridan 36 Comment
  UC217450  Triteleia hyacinthina H. M. Hall 1917-5-17 10310 Placer 5 mi n Lincoln (along r.r. and into foothills n to Chico River); Sacramento Valley Comment
  SEINET3127296  Triteleia ixioides W. H. Evans 1891-8-1 sn Placer Lake Tahoe 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
  UCD22034  Triteleia ixioides Rex Palmer 1979-6-19 N 256 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22035  Triteleia ixioides Rex Palmer 1979-6-9 N 178 Placer Headwaters basin area of the North Fork of the American River. Onion Creek Meadow. Comment
  RSA739784  Triteleia ixioides subsp. anilina George K. Helmkamp, E. A. Helmkamp 2007-5-18 11997 Placer Forest Hill Road, 4.3 miles nor