Search Results — 2000 specimen records retrieved (1587 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS46610  Abies magnifica Dr. J. C. Hawver Oct. 1908 Placer Summit Comment
  UCD23231  Abies magnifica Beth Lowe Corbin 1982-8-19 388 Placer 1 1/2 miles south of The Cedars. 1889 Comment
  JEPS59454  Acer glabrum Ezra Brainerd and Viola B. Baird 1915-7-15 189 Placer rocky slope above camp (Bear Rock); Sierra Nevada Mts., Bear Rock 1935 Comment
  RSA749179  Acer glabrum var. torreyi James R. Shevock 1985-8-9 11337 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  SEINET7894012  Acer macrophyllum J. Ridley 1959-4-19 24 Placer 1 mi. east of Baxter along small stream bank on south side of Highway 40 1219 Comment
  OBI20109  Achillea millefolium David J. Keil 1978-7-23 12947 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  OBI39804  Achillea millefolium Joy H. Nishida 1985-7-10 783 Placer Homewood 1829 Comment
  UC565936  Achillea millefolium H. S. Yates 1934-6-29 3882 Placer near Brockway 1920 Comment
  UCR170827  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2005-9-30 9962 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR201519  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2008-8-20 14016 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  UCR233278  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2011-7-9 17684 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 1.6 miles southeast of its junction with Foresthill Road at Foresthill 883 Comment
  SACT000017  Achnatherum hymenoides 1977-7-15 Placer T.16N., R.15E. 2000.0 Comment
  SEINET255890 Image available Achnatherum nevadense Mary E. Barkworth, LR Firestone 1987-8-20 4009 Placer Campground 0.7 mi south of I 89 to Tahoe City Interchange Truckee. Comment
  UCD51021  Achnatherum occidentale G. L. Stebbins 1941-7-16 3174 Placer along U.S. Highway no.40. 1 mile west of Cisco Grove. 1706 Comment
  SEINET5585745  Achnatherum occidentale T. R. Van Devender, R. K. Van Devender 1990-1 90 -78 Placer Prosser Lake, Tahoe National Forest, Sierra Nevada; 3 miles north of Truckee on Highway 89 1768 Comment
  CAS-BOT-BC210835  Achnatherum occidentale subsp. californicum L. R. Abrams 1927-9-13 12161 Placer Lincoln Highway near Emigrant Gap Comment
  CAS-BOT-BC210839  Achnatherum occidentale subsp. californicum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  UC1108666  Achnatherum occidentale subsp. californicum H. R. Bennett 1954-8-8 Placer 3 mi w Kingvale (picnic area along Highway 40); Sierra Nevada Mts., South Fork Yuba River 1798 Comment
  UC682059  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3172 Placer 1 mi w Cisco Grove (rocky ledges along US Highway 40) 1706 Comment
  UCD74156  Achnatherum occidentale subsp. occidentale Jennifer W. Burt 2005-7-9 24 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from center of an abandoned ski run. 1870 Comment
  UC477532  Achnatherum stillmanii L. S. Smith 1931-6-4 2557 Placer below Pine Nut (Duncan Canyon); Tahoe Nat. Forest 1524 Comment
  CHSC73947  Acmispon americanus var. americanus Susi Urie 1998-9-1 98 -195 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  SEINET7249210  Acmispon americanus var. americanus G. K. Helmkamp, E. A. Helmkamp 2012-1 19917 Placer Northern Sierra Nevada Mountains; junction of Nyack Road and I-80 in the Emigrant Gap area 1652 Comment
  UCD103816  Acmispon americanus var. americanus A. A. Heller 1919-7-25 13297 Placer Near the Yuba river below Cisco. 1676 Comment
  SEINET5327521  Acmispon americanus var. americanus M. J. Williams 1985-7-6 85- 61 -9 Placer [Sierra Nevada] Near old Donner Summit, S of Lake Mary. Sierra Nevada Comment
  UCD36659  Acmispon argophyllus var. fremontii Beecher Crampton 1955-6-15 2887 Placer Placer County, 4.5 miles south of U.S. Highway 40, along North Fork of American River, near base of Bunch Canyon, on road to Forest Hills. Comment
  JEPS127434  Acmispon nevadensis var. nevadensis Steve Matson 2003-7-14 854 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  UC1505786  Aconitum Robert T. Clausen and Harold Trapido 1940-7-13 4887 Placer 2 mi. w. Lake Tahoe (along Ward Creek); Sierra Nevada, Lake Tahoe Basin, Ward Creek 1905 Comment
  SCFS1112  Aconitum columbianum E. Krimmel 2013-6-13 Placer NFAm. Stream crossing (split #4). Below Soda Springs road on way to Heath Falls Overlook. Comment
  CAS-BOT-BC391457  Aconitum columbianum subsp. columbianum A. A. Heller 1917-8-13 12882 Placer Summit Valley 2118 Comment
  CAS-BOT-BC412851  Aconogonon davisiae Miss. T. V. Raphael 1923-7-1 s.n. Placer Cisco, Lookout Mt. Comment
  CAS-BOT-BC418772  Aconogonon phytolaccifolium Geo. B. Grant 1906-7-15 7029 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC29250  Acroptilon repens Beecher Crampton 1972-7-26 8851 Placer Carpenter Flat east of Emigrant Gap. Along Laing's Road. Comment
  CAS-BOT-BC29288  Adenocaulon bicolor I. L. Wiggins 1933-8-21 6784 Placer Shores of Lake Tahoe, near Tahoma Comment
  UCD128410  Adenocaulon bicolor Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  UCR235610  Adiantum jordanii George K. Helmkamp, E. A. Helmkamp 2012-5-5 18917 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
  SACT000036  Aegilops triuncialis H. Stinnett, Ron Pelzman 1963-5-26 Placer 762.0 Comment
  UCD136680  Aesculus californica Ted Niehaus 1959-5-3 97 Placer Granite Bay park, north shore of Folsom Lake. Comment
  SCFS1145  Agastache urticifolia E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #5. Comment
  UC128215  Agastache urticifolia Miss Harriet A. Walker 1908-7-25 1383 Placer Cisco 1810 Comment
  UC615511  Agastache urticifolia Beryl O. Schreiber 1932-9-11 766 Placer road to Summit Comment
  UCD21769  Ageratina occidentalis Beth Lowe Corbin 1982-8-13 338 Placer 1 1/3 mile SSW of Onion Creek campground. 1645 Comment
  CHSC74187  Agoseris glauca var. monticola Susi Urie 1998-9-4 98 -267 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CAS-BOT-BC13325  Agoseris retrorsa Marcus E. Jones 1882-6-30 2782 Placer Emigrant Gap Comment
  CDA25690  Agrimonia gryposepala T. Barbato 1971-6-21 Placer Tony Barbato property, Meadow Vista. 0 Comment
  SACT000038  Agropyron cristatum D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City shopping center, near lakeshore. 1891.0 Comment
  SACT000079  Agropyron trachycaulum D. Meyer 1983-9-10 Placer Moist streambank and meadow 1879.0 Comment
  JEPS83018  Agrostemma githago Doug James 1973-5-27 115 Placer Off Auburn-Forest Hill Road 11.2 mi from Highway 49 655 Comment
  SACT000116  Agrostis alba Josephine Van Ess 1977-7-22 Placer Low moist streambank west of highway 396.3 Comment
  UCD80506  Agrostis capillaris CNPS SN Foothill Team 2006-6-27 SNNR 0725 Placer Placer Land Trust, Shutamul Parcel, Bear River. 313 Comment
  UCR206834  Agrostis capillaris George K. Helmkamp, E. A. Helmkamp 2009-7-16 15212 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  SACT000128  Agrostis diegoensis D. Meyer 1984-7-15 Placer Soda Springs Rd. 3.3 mi from Sevene Lakes Lodge. 1909.0 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
  RSA795084  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18171 Placer along Forest Hill Road, 0.4 miles west of Robinson Flat 2041 Comment
  SACT000081  Agrostis exarata D. Meyer 1983-8-7 Placer East bank 1879.0 Comment
  SACT000098  Agrostis exarata D. Meyer 1984-6-17 Placer Ponderosa Rd South of the American River. 2.88 km from Foresthill Rd 545.0 Comment
  SACT000107  Agrostis exarata D. Meyer 1984-7-21 Placer Lake Shore Drive at Villas Rd east of Tahoe City. Moist roadside ditch and pine wooded area. Dense shade. 1927.0 Comment
  UCD52406  Agrostis exarata N. French 1933-6-6 s.n. Placer near Newcastle. 304 Comment
  SACT000096  Agrostis exarata var. monolepis D. Meyer 1984-6-3 Placer 1.6 km N of Applegate, shady oak woodland moist area 606.0 Comment
  CAS-BOT-BC139254  Agrostis idahoensis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 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
  SACT000185  Agrostis idahoensis D. Meyer 1983-7-30 Placer Moist areas on both sides of the road. 2072.64 Comment
  UCD43280  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 648 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  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
  UCD53037  Agrostis microphylla Beecher Crampton 1957-5-7 3998 Placer 1.7 miles east of Lincoln, road to Newcastle. Comment
  CAS-BOT-BC138999  Agrostis pallens 12892 Placer Summit Station. 2121 Comment
  UC814990  Agrostis pallens unknown 12892 Placer Summit Station 2121 Comment
  CAS-BOT-BC138721  Agrostis scabra E. R. Blakley 1960-9-3 3808 Placer King's Beach, Lake Tahoe. 1903 Comment
  SACT000156  Agrostis scabra D. Meyer 1984-7-15 Placer 4.8 km from the lodge 1909.0 Comment
  SACT000158  Agrostis scabra D. Meyer 1983-8-7 Placer Along Truckee River east bank 1879.0 Comment
  SACT000166  Agrostis scabra D. Meyer 1984-7-8 Placer at lakeside 1758.0 Comment
  SACT000168  Agrostis scabra D. Meyer 1984-8-4 Placer very wet roadside ditch, hillside seeping water, shady 1454.0 Comment
  UC128217  Agrostis scabra Miss Harriet A. Walker 1908-7-25 1409 Placer Cisco 1810 Comment
  CHSC69967  Agrostis stolonifera L. P. Janeway; Eric Schroder 1997-7-17 5247 Placer Meadow on southeast side of Fulda Creed at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  SACT000197  Agrostis stolonifera var. major D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT000247  Agrostis variabilis D. Meyer 1983-8-20 Placer Collected from the road to summit of trail at 1st lake. Steep rocky trail with moist meadow areas. 2000.0 Comment
  UCD42942  Agrostis variabilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 311 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD55628  Agrostis variabilis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 Comment
  UCD75707  Agrostis variabilis Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5157 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, sides of trail. 2124 Comment
  CDA19546  Aira caryophyllea M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 229 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
  UCD137990  Alisma triviale Alan a. Beetle 1941-6-27 2728 Placer 1 mile north of Lincoln. Comment
  UCD44484  Allium C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1850 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC447496  Allium amplectens Eliz. Hawver 1915-5-1 s.n. Placer Auburn Comment
  CAS-BOT-BC447497  Allium amplectens Belle R. Jackson 1932-6-1 s.n. Placer on road to Iowa Hill, near Colfax Comment
  JEPS47574  Allium amplectens L. S. Smith 1925-6-13 1671 Placer Picayune Creek Tahoe Forest, French Meadows Range, Picayune Creek 1981 Comment
  UC710487  Allium campanulatum Lewis S. Rose 1944-7-13 44106 Placer Chambers Lodge Lake Tahoe, Chambers Lodge 1920 Comment
  CAS-BOT-BC464524  Allium campanulatum C. F. Sonne 1995-7-12 308 Placer Atm Cardsmain Comment
  JEPS61498  Allium campanulatum Leland S. Smith 1928-6-15 2354 Placer e of road, Big Bend Ranger Station Tahoe Forest, Big Bend Ranger Station 1767 Comment
  JEPS47620  Allium platycaule L. S. Smith 1926-5-26 1873 Placer Duncan Canyon above Forks; Tahoe Forest, Duncan Canyon 1676 Comment
  UCR191131  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2007-6-12 12316 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  JEPS59059  Allotropa virgata C. F. Sonne 1888-7-1 437 Placer Sierra Nevada Mountains, on Truckee River Truckee River; Sierra Nevada Mountains, Truckee River Comment
  CAS-BOT-BC171251  Alnus John H. Thomas; Hazelle A. Thomas 1956-7-21 6195 Placer Vicinity of Donner Pass, about 80 miles NE of Sacramento. Sierra Nevada 2377 Comment
  UC1093925  Alnus incana subsp. tenuifolia Herbert L. Mason 1929-10-4 5461 Placer on Hwy 40 1 mi n Cisco Comment
  RSA306165  Alnus rhombifolia Fay A. MacFadden 1934-7-8 12564 Placer Bear River. Dutch Flat. Comment
  SACT000314  Alopecurus pratensis D. Meyer 1984-5-27 Placer Meadow surrounded by sagebrush type vegetation. Hwy 267 Comment
  CAS-BOT-BC13676  Ambrosia artemisiifolia Peter H. Raven 1954-8-27 7957 Placer Penryn Comment
  SJSU11705  Ambrosia artemisiifolia C. T. Osugi 1969-10-4 86 Placer Loomis, 21 miles NE of Sacramento 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
  JEPS113104  Amsinckia menziesii var. menziesii Lowell Ahart, Brian Williams 2007-4-13 13635 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
  UCR218467  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16390 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  RSA129784  Anaphalis margaritacea B. Bolt 1934-7-17 132 Placer Robertson Flat. 2012 Comment
  RSA416591  Anaphalis margaritacea Fay A. MacFadden 1934-7-28 12681 Placer Donner Lake Comment
  UCD36119  Andropogon virginicus Beecher Crampton 1952-11-9 919 Placer Placer County, 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  POM99994  Anemone drummondii Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak 2744 Comment
  UC1122895  Angelica breweri R. C. Wilson 1934-9-19 72 Placer Tahoe National Forest, Squaw Valley Squaw Valley; Tahoe National Forest, Squaw Valley 2011 Comment
  UCD75949  Angelica breweri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5190 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail. 2161 Comment
  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
  UC129069  Antennaria argentea Geo. B. Grant 1906-7-20 6943 Placer Tahoe Tavern Sierra Nevada Mts., Lake Tahoe 1889 Comment
  SEINET11854050  Antennaria luzuloides C. F. Sonne 1885-1 Placer Tahor City Comment
  UC65330  Antennaria rosea P. B. Kennedy and S. B. Doten 1901-8-10 Placer summit of Devils; Summit Soda Springs Comment
  CAS-BOT-BC137710  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Near Cisco. 914 Comment
  CAS-BOT-BC137713  Anthoxanthum odoratum 1932-6-7 2680 Placer Elliot Ranch, Sugar Pine Range. 1066 Comment
  SACT000340  Anthoxanthum odoratum D. Meyer 1983-7-16 Placer 1212.0 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
  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
  UCD38487  Apocynum androsaemifolium Beecher Crampton 1955-6-15 2925 Placer 10.5 miles west of Forest Hill. Comment
  UCR121483  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5017 B Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCD121209  Apocynum androsaemifolium Collector Unknown Date Unknown s.n. Placer W Placer County. Exact locality unknown. Comment
  UCD121211  Apocynum androsaemifolium Collector Unknown Date Unknown s.n. Placer W Placer County. Exact locality unknown. 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
  CHSC74251  Aquilegia formosa Susi Urie; Eric Schroder 1998-9-8 98 -303 Placer Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UC853791  Aquilegia formosa Marcus E. Jones 1882-6-28 2614 Placer Emigrant Gap Comment
Read comments
Sep 7 2010
  CAS-BOT-BC397899  Aquilegia formosa Marcus E. Jones 1893-1-1 2614 Placer Emigrant Gap. Comment
  CAS-BOT-BC397901  Aquilegia formosa Marcus E. Jones 1893-1-1 2614 Placer Emigrant Gap. Comment
  SD237383  Arabidopsis thaliana G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15929 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls Crossing of the American River (Pilot Hill 7.5'Q) 156 Comment
  CDA13686  Arabis drummondii G. F. Hrusa, J. Glazner 1997-8-3 14045 a Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  SEINET2470948  Arabis holboellii var. retrofracta K. Christie 2010-7-8 1889 Placer Lake Tahoe Basin Management Unit (USFS); along FR 16N73, just to the northeast of Painted Rock. 2255 Comment
  SEINET5340784  Arabis sparsiflora P. A. Lehenbauer 1926-4-25 1125 Placer Squaw Creek. Comment
  CAS-BOT-BC128678  Arbutus menziesii Saichi Kawahara 1969-5-24 861 Placer Strawberry Flat, Mel Henderson Ranch 999 Comment
  SEINET2471192  Arceuthobium abietinum R. L. Mathiasen 2009-8-13 2009 -44 Placer 7.4 km E. of Sly Park Rd. on forest rd. 5 1271 Comment
  CAS-BOT-BC24241  Arctostaphylos mewukka C. Hart Merriam 1911-11-5 s.n. Placer W. slope of Sierra Nevada. Gorge Station, C.P.R.R. 1219 Comment
  CAS-BOT-BC24242  Arctostaphylos mewukka C. Hart Merriam 1911-11-5 s.n. Placer W. slope of Sierra Nevada. Gorge Station, C.P.R.R. 1219 Comment
  CAS-BOT-BC24248  Arctostaphylos mewukka Alice Eastwood 1922-4-6 11122 Placer 3 mi. above Colfax near the road. Comment
  CAS-BOT-BC38577  Arctostaphylos mewukka John Thomas Howell; Gordon H. True 1968-6-9 44505 Placer Alta. 1066 Comment
  UC682104  Arctostaphylos nevadensis G. L. Stebbins Jr. 1942-9-1 3335 Placer along Southern Pacific railroad track 1/2 mi s Blue Canyon Station 1390 Comment
  UCR171337  Arctostaphylos nevadensis George K. Helmkamp, E. A. Helmkamp 2005-10-1 9977 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
  UCD164014  Arctostaphylos nissenana Jeff Bisbee 2016-2-10 1209 Placer Mosquito Ridge Rd., 20 m east of mile marker 19 and 15 m south of the road, below large turnout, adjacent to Rd. 12. North rim of the Middle Fork of the American River. 1267 Comment
  CAS-BOT-BC42147  Arctostaphylos patula C. Hart Merriam 1911-11-5 s.n. Placer West slope Sierra Nevada near Alta Station (CPRR) 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
  SEINET7268722  Arctostaphylos viscida C. Bell 1962-3-17 37 Placer 2 miles east of Auburn, above north fork of American River 244 Comment
  CAS-BOT-BC47053  Arctostaphylos viscida subsp. viscida Catherine Best 1985-9-15 1145 Placer Growing near Sugar Pine Reservoir about 6 mi. n. of Forest Hill. 1158 Comment
  CAS-BOT-BC47061  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-4-6 11124 Placer Colfax. 762 Comment
  CAS-BOT-BC47062  Arctostaphylos viscida subsp. viscida Mary E. Jump 1939-3-30 s.n. Placer Alta. 1097 Comment
  RSA637019  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24925 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  RSA637024  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24920 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  CDA24000  Arenaria kingii var. glabrescens K. Stark 1994-8-17 Placer Martis Peak, Tahoe National Forest. 0 Comment
  UC1125757  Arenaria kingii var. glabrescens N. French 1934-6-22 448 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle 2286 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
  RSA35128  Arnica chamissonis subsp. foliosa L. S. Rose 1944-7-25 44250 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  CAS-BOT-BC82319  Arnica cordifolia Grant 1906-7-15 6965 Placer Tahoe Tavern Comment
  UC892075  Arnica cordifolia Alice Eastwood Jun 15 1912-Jun 19 1912 450 Placer Tahoe City Lake Tahoe Region Comment
  UCD74025  Arnica cordifolia Jennifer W. Burt 2005-7-12 111 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from coniferous forest near abandoned ski runs. 1974 Comment
  CAS-BOT-BC82348  Arnica cordifolia C. F. Sonne 1885-5-10 186 Placer Near old Shingle Mill on Truckee River Comment
  POM51369  Arnica dealbata C. F. Sonne 1895-7-14 s.n. Placer Near Pole Creek on Truckee River. Comment
  UC197366  Arnica dealbata C. F. Sonne 1895-7-14 Placer hillside near Pole Creek; Sierra Nevada Mountains, Truckee River Comment
  UC468975  Arnica longifolia Miss Helen D. Geis Jun 1 1912-Jul 1 1912 43 Placer Deer Park Comment
  UC468976  Arnica longifolia Miss Helen D. Geis Jun 1 1912-Jul 1 1912 165 Placer Deer Park Comment
  UC193465  Arnica longifolia C. F. Sonne 1896-7-1 Placer below and around Schafer's Reservoir; Truckee Comment
  UC193451  Arnica mollis C. F. Sonne 1886-8-9 Placer above Coldstream Comment
  POM9976  Arnica mollis E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
  JEPS20971  Arnica nevadensis C. F. Sonne 1888-8-12 190 Placer near Truckee; Sierra Nevada Mountains Comment
  UC193461  Arnica nevadensis C. F. Sonne 1885-7-12 Placer n of Tinkers Knob; Anderson's Peak Comment
  JEPS126317  Arnica parryi Steve Matson 1997-6-1 8 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course. Comment
  UC197311  Arnica parryi C. F. Sonne 1896-8-2 Placer Squaw Valley on Truckee River Comment
  SEINET6775223 Image available Artemisia arbuscula W. D. Billings 1950-7-30 1915 Placer Northeast side of Squaw Peak, Sierra Nevada 2591 Comment
  UCD83616  Artemisia cana subsp. bolanderi Albert Grigarick 2009-8-20 183 Placer E of Truckee, on S end of Martis Creek Reservoir. 1775 Comment
  UC128211  Artemisia douglasiana Miss Harriet A. Walker 1397 Placer near Yuba River (Cisco) 1524 Comment
  UCD21693  Artemisia rothrockii Rex Palmer 1979-6-9 N 140 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UC1119383  Artemisia spiciformis B. Bolt 1934-8-23 197 Placer divide between Picayune and Grayhorse; Tahoe National Forest, Truckee Quad. 2438 Comment
  CAS-BOT-BC400751  Asarum lemmonii Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  POM76149  Asclepias cordifolia Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SDSU2521  Asclepias cordifolia D. R. Harvey 1960-5-29 Placer Near Forest Hill Comment
  UC879249  Asclepias cordifolia Marcus E. Jones, A. M. 1882-6-30 2802 Placer Emigrant Gap Comment
  UCD121256  Asclepias cordifolia Dr. Isabel McCracken 1935-6-2 s.n. Placer Near Auburn. Comment
  SEINET5743350 Image available Asclepias cordifolia C. L. Richardson 1972-1 142 Placer 0.2 mile north of I-80 on Lake Arthur Road, ca. 6 miles north of Auburn.; Auburn 610 Comment
  SCFS1003  Asclepias speciosa E. Krimmel 2014-6-26 Placer Edge of Soda Springs road, across from Cedars driveway Comment
  SCFS11529135  Aspidotis densa E. Krimmel, F. Felix 2012-9-13 Placer NFAm, on trail. Tucked around rocks in shallow ravine. Comment
  CAS-BOT-BC99220  Aster Peter Rubtzoff 1976-9-18 8844 Placer Lake Van Norden, south side of lake - Sierra Nevada 2063 Comment
  RSA531308  Aster breweri Walter Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4547 Placer Squaw Valley, beyond upper cable car stn. Comment
  RSA417676  Aster integrifolius Fay A. MacFadden 1934-7-26 12909 Placer Red Mountain Comment
  RSA473519  Aster oregonensis subsp. californicus Wm. Martin 1971-9-10 20245 Placer 1 mile north of Gold Run on Hwy 80 Comment
  SCFS1029  Asteraceae E. Krimmel 2013-7-28 Placer North Fork American River, trail to Heath Falls Overlook. Stop #1 Comment
  SEINET12159603  Astragalus austiniae C. F. Sonne 1885-1 68 Placer Tinkus Knob 2896 Comment
  UCD105214  Astragalus purshii S. S. Smith 1916-6 414 Placer Squaw Valley. 1828 Comment
  CAS-BOT-BC192930  Astragalus purshii var. lectulus L. S. Smith 1938-7-22 2795 Placer Tahoe National Forest. Near Ice Lakes - road from Soda Spgs. 2133 Comment
  UC170027  Astragalus whitneyi Miss Helen D. Geis 52 Placer Deer Park The crags, Deer Park (The Crags) Comment
  UCD66893  Asyneuma prenanthoides D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-9 s.n. Placer Blue Canyon. Tahoe National Forest. 1550 Comment
  UCD23226  Athyrium filix-femina Beth Lowe Corbin 1982-8-13 339 Placer 1 mile west of The Cedars. In sandy soil between rocks along the north fork of the American River. 1630 Comment
  CAS-BOT-BC66086  Athyrium filix-femina var. cyclosorum M. N. Ackley 1926-6-1 71 Placer Bear Valley, Sierra Nevada 1371 Comment
  CDA37062  Avena barbata CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  SACT000365  Avena barbata Josephine Van Ess 1976-3-16 Placer sunny roadside 91.5 Comment
  SACT000401  Avena fatua D. Meyer 1983-5-15 Placer Field at southeast corner 36.6 Comment
  CAS-BOT-BC100091  Balsamorhiza sagittata A. A. Heller 1917-6-18 12727 Placer Yuba Pass 1828 Comment
  UC893858  Balsamorhiza sagittata Alice Eastwood Jun 15 1912-Jun 19 1912 363 Placer Deer Park Lake Tahoe Region Comment
  CAS-BOT-BC438815  Barbarea orthoceras George K. Helmkamp; Mary Alice Barnes 2013-4-18 20349 Placer Foothills, northern Sierra Nevada Mountains: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax. 561 Comment
  CHSC74209  Barbarea orthoceras Susi Urie 1998-9-4 98 -261 Placer Lake Tahoe Basin-National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  UCD22358  Barbarea orthoceras Rex Palmer 1979-7-12 N 631 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD63142  Barbarea orthoceras A. M. Shapiro 2007-6-13 s.n. Placer California. Placer County: Along railroad tracks near Soda Springs. 2115 Comment
  JEPS105595  Bellardia trixago Barrett Anderson 2005-5-17 5183 Placer Gladding McBean clay plant property, Lincoln. Comment
  CAS-BOT-BC102055  Bidens frondosa John Thomas Howell 1929-10-4 4427 Placer 1 1/2 miles from Auburn on road to Colfax Comment
  RSA20887  Blennosperma nanum C. B. Wolf 1937-3-30 8350 Placer Sacramento Valley, 4.8 miles east of Lincoln on Penryn Road. 91 Comment
  CHSC11070  Boechera breweri Lowell Ahart 1964-7-3 Placer On trail to Placer Queen Mine. 1676 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-BC14253  Boechera pinetorum Lewis S. Rose 1940-6-1 6200 Placer Truckee River, 3 miles northwest of Tahoe City. 1889 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
  CHSC11101  Boykinia major Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  RSA306176  Boykinia major Fay A. MacFadden 1934-8-3 12751 Placer Canyon Creek near Baxter s [alta?] Comment
  POM147868  Boykinia occidentalis J. B. Feudge 1927-6-18 1677 Placer W of Emigrant Gap. 1524 Comment
  SBBG123108  Boykinia occidentalis G. K. Helmkamp with E. A. Helmkamp 2007-5-30 12191 Placer Mosquito Ridge Rd, 13.5 mi E of its jct with Forest Hill Rd in Foresthill, between Mosquito Ridge Lookout and N Fork of Middle Fork American River 800 Comment
  UCD80175  Brassica rapa CNPS SN Foothill Team 2005-4-13 SNFN 0107 c Placer Placer Legacy, located on Didion Ranch in Placer County, east of Spear's Ranch, on the north bank of Coon Creek, approximately 500 meters west of the east boundary of the study area. 143 Comment
  JEPS21077  Brickellia californica L. T. Dempster 1958-8-10 1177 Placer Along banks of American River, near Auburn, 365 Comment
  SEINET7379423 Image available Brickellia californica F. Emmerich 1980-9-20 s.n. Placer North Fork of the Middle Fork of the American River 366 Comment
  CDA36920  Briza minor CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CDA37219  Briza minor CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  POM260022  Briza minor M. Hitchcock 1940-5-14 6389 Placer Meiner Ranch, ca. 6 miles north of Colfax. 762 Comment
  SACT000455  Briza minor D. Meyer 1983-5-15 Placer Field at southeast corner 36.6 Comment
  UCR231890  Briza minor George K. Helmkamp, E. A. Helmkamp 2011-4-10 17145 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  UCD77163  Brodiaea appendiculata Robert E. Preston 2004-4-25 2225 Placer Ca. 4 mi NE of Sheridan, along Camp Far West Rd 32 Comment
  RSA670102  Brodiaea coronaria Juanita Bacey 1998-5-9 5 Placer Roseville. 0.5 miles SW of intersection of Hwy 65 and Stanford Ranch Road. 69 Comment
  RSA670113  Brodiaea coronaria Regina Putman 1997-4-19 5 Placer City of Rocklin, in grassy field N of Toys-R-Us. 70 m W of the end of Five Star Blvd. 67 Comment
  UCD163359  Brodiaea coronaria Robert E. Preston 2014-5-12 2961 Placer 2.1 mi SE of Sheridan, E of Old Hwy 65, S of Yankee Slough. 34 Comment
  SBBG57590  Brodiaea coronaria subsp. coronaria M. N. Ackley -Jun-1925 633 Placer Penryn 191 Comment
  UC768450  Brodiaea elegans subsp. elegans R. F. Hoover 1939-5-10 4094 Placer 2 mi se Sheridan Comment
  SACT000486  Bromus arvensis D. Meyer 1983-8-7 Placer along Truckee River, east bank 1879.0 Comment
  SACT000388  Bromus carinatus Michael Baad 1983-6-26 Placer 2.2 miles southeast, near Michigan Bluff Road. 1158.24 Comment
  SACT000516  Bromus carinatus D. Meyer 1983-6-5 Placer 982.98 Comment
  UCD74173  Bromus carinatus Jennifer W. Burt 2005-7-13 35 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1928 Comment
  UCD74178  Bromus carinatus Jennifer W. Burt 2005-7-17 41 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 2020 Comment
  CAS-BOT-BC149517  Bromus carinatus var. carinatus Saichi Kawahara 1969-7-6 1429 Placer Near old cabin, east bank of Indian Creek, Mel Henderson Ranch, near swing. 999 Comment
  CAS-BOT-BC148722  Bromus carinatus var. marginatus Lewis S. Rose 1944-7-12 44090 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  CHSC68069  Bromus carinatus var. marginatus James D. Jokerst 1986-7-12 2684 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, on N side of river. Comment
  UCD59092  Bromus carinatus var. marginatus Beecher Crampton 1953-7-21 1517 Placer Road cut along U. S. Hwy. 40, 1.5 miles east of Emigrant Gap. 1584 Comment
  UCD59165  Bromus carinatus var. marginatus L. S. Smith 1916-6-27 647 Placer Squaw Valley. Comment
  UCD59225  Bromus carinatus var. marginatus L. S. Smith 1918-6-28 643 Placer Carnelian Bay, Lake Tahoe. Comment
  SACT000491  Bromus commutatus D. Meyer 1984-6-23 Placer Nevada-Placer County line, moist shaded area 594.0 Comment
  CDA37176  Bromus diandrus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CDA37224  Bromus diandrus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT000526  Bromus diandrus D. Meyer 1983-4-17 Placer small drainage ditch, moist sunny exposure. 231.648 Comment
  CAS-BOT-BC541426  Bromus grandis G. L. Stebbins, Jr.; R. Bacigalupi; F. Ehrendorfer; J. Hunziker; H. Stutz; D. Zohary 1952-7-19 5124 Placer Along N fork of American River, 2 mi S of Colfax, 1/2 mi E of bridge of Iowa Hill road 350 Comment
  CAS-BOT-BC155445  Bromus hordeaceus Peter H. Raven 1954-4-16 6607 Placer 7 miles south of LIncoln on road to Rosevill. Comment
  JEPS111169  Bromus hordeaceus Steve Matson 2005-7-3 1350 Placer Martis Valley, southeast of Truckee, National Recreation Area (Army Corps of Engineers), north of Highway 267 and west of Martis Creek. 39.3054 N, 120.1182 W; elevation 5835 ft. 1778 Comment
  SD112425  Bromus hordeaceus 1951-5-1 2106 Placer 456 Comment
  SACT000566  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-5-7 Placer Roadside Comment
  SACT000568  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT000556  Bromus inermis D. Meyer 1983-8-20 Placer moist roadside meadow, some vegetation following residential construction 2000.0 Comment
  SACT000597  Bromus laevipes D. Meyer 1984-6-23 Placer 3 km from I80 Frontage Rd 978.0 Comment
  SACT000697  Bromus marginatus D. Meyer 1983-7-30 Placer campground along Truckee River 1853.18 Comment
  SEINET3923241  Bromus marginatus Beecher Crampton 1985-6-23 9998 Placer North Shore Lake Tahoe, Stateline road.; 0 Comment
  SACT000584  Bromus mollis D. Meyer 1983-5-15 Placer moist roadside ditch, next to cultivated field 19.812 Comment
  HSC11184  Bromus orcuttianus A. S. Hitchcock 1913-7-15 863 Placer Trukee Comment
  OBI22383  Bromus orcuttianus Robert F. Hoover 1967-9-7 10858 Placer Antone Meadow Comment
  SACT000616  Bromus orcuttianus D. Meyer 1983-8-20 Placer to summit at first lake, steep ricky trail with moist meadow areas 2000.0 Comment
  SACT000618  Bromus orcuttianus D. Meyer 1984-7-29 Placer 1645.92 Comment
  UC1131101  Bromus orcuttianus H. S. Yates 1936-8-8 5981 Placer near Meeks Bay 1920 Comment
  UCD59244  Bromus orcuttianus L. T. Burcham; H. W. Miller 1962-7-31 s.n. Placer Upper middle fork of the American River. 1828 Comment
  SACT000716  Bromus rubens D. Meyer 1983-4-17 Placer Small drainage ditch moist sunny exposure 231.648 Comment
  SACT000718  Bromus rubens Michael Baad 1977-6-8 Placer On road between Forest Hill and French Meadows roadside in serpentine-chaparral community 914.4 Comment
  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
  UCD59522  Bromus rubens M. Vincent 1965-4-19 649 Placer 4 miles south of Marysville. Comment
  UCD59655  Bromus secalinus Beecher Crampton 1953-5-26 1337 Placer Sunnybrook Farms, 2 miles north of Lincoln. Comment
  CAS-BOT-BC161571  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mount Lincoln south of Summit Valley. 2499 Comment
  SACT000756  Bromus suksdorfii D. Meyer 1983-10-22 Placer searchlight ski run from base up to Olympic Lady chairlift. 2121.0 Comment
  SACT000758  Bromus suksdorfii Michael Baad 1983-8-11 Placer on trail to Mildred Ridge 2133.0 Comment
  UCD59734  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  UCD59738  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mt. Lincoln south of Summit valley. 2499 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
  SACT000768  Bromus tectorum Michael Baad 1977-6-8 Placer Forest Hill and French Meadows roadside in serpentine and chaparral community Comment
  SACT000785  Bromus tectorum Josephine Van Ess 1976-8-6 Placer 1/8 mile north of Seven Cedars Road Comment
  SD44641  Bromus tectorum D. F. Howe 1951-5-3 Placer 1067 Comment
  UCD60059  Bromus tectorum Beecher Crampton 1955-6-15 2874 Placer Bunch Canyon head, 1 mile south of U. S. Hwy. 40, on the Forest Hill road. Comment
  UCR68416  Bromus tectorum var. glabratus T. R. Van Devender, R. K. Van Devender 1990-6-4 90- 71 Placer Sierra Nevada Mtns., Tahoe National Forest, Prosser Lake. 3 mi north of Truckee on Hwy 89 1768 Comment
  UCR250179  Calamagrostis breweri George K. Helmkamp, Mary Alice Barnes 2013-5-3 20468 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UC1137093  Calamagrostis canadensis August L. Hormay 1932-7-8 Placer Lake Tahoe, W side; 3 miles [from?] South Tavern Comment
  UCD42956  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 325 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43160  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 528 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD75967  Calamagrostis canadensis Ellen Dean, M. Starbuck,; M. Bibbo, J. Poloske 2008-7-20 5249 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  JEPS111350  Callitriche marginata Lowell Ahart and Brian Williams 2007-4-13 13641 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. 43 Comment
  UCSB46165  Callitriche marginata Reisentz, Paul 1979-5-11 Placer on Highway 65; 1 mile south of Sheridan Comment
  CAS-BOT-BC85754  Calocedrus decurrens G. W. W. 1896-9-1 s.n. Placer Near summit Soda Springs Comment
  CHSC3436  Calochortus albus Judy Potter 1966-4-8 Placer Folsom-Auburn Pony Express Trail. Area of P. G. E. reservoir above Rattlesnake Bar. Comment
  CAS-BOT-BC487484  Calochortus albus Alice Eastwood; John Thomas Howell 1937-5-8 4336 Placer Near Auburn on road to Grass Valley Comment
  SEINET8194127  Calochortus albus J. Vetter 1955-4-23 s.n. Placer 0.5 mile E of Loomis. 274 Comment
  SEINET8196119  Calochortus coeruleus M. J. Williams 1970-6-7 s.n. Placer Near Emigrant Gap. 1615 Comment
  RSA377378  Calochortus leichtlinii W. Hutchinson 1922-06 3566 Placer Lake Tahoe. Comment
  UCD150569  Calochortus leichtlinii James A. Neilson Jr. 1971-7-7 2204 Placer Tahoe Basin, Lower Ward Creek #102. 1905 Comment
  CAS-BOT-BC490165  Calochortus leichtlinii W. R. Dudley 1893-6-8 s.n. Placer Sandy Plains near Tahoe Comment
  CAS-BOT-BC483462  Calochortus minimus Marcus E. Jones 1882-6-28 3300 Placer Emigrant Gap Comment
  CDA19538  Calochortus monophyllus M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 244 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
  SEINET4169894  Calochortus monophyllus L. Constance, J. L. Morrison 1938-4-30 2172 Placer At east edge of Applegate, Sierra Nevada Foothills 610 Comment
  SD62151  Calochortus nudus Darley F. Howe 1965-5-21 Placer Canyon on south side of north fork of American River, between Forest Hill and Yankee Jims. 914 Comment
  CAS-BOT-BC493447  Calochortus superbus R. Halliday; Wayne Roderick 1967-6-10 s.n. Placer North edge of Auburn Comment
  UCD129738  Calycadenia multiglandulosa Gerald D. Carr 1971-8-15 634 Placer 4.1 mile north of Auburn on Highway 49, gentle west facing slope. 426 Comment
  CDA10572  Calycadenia multiglandulosa K. Connolly, Robin Breckenridge 1992-9-3 Placer Branchwood Road, Foresthill. 0 Comment
  POM29893  Calycadenia truncata subsp. truncata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  CAS-BOT-BC275403  Calycadenia truncata var. truncata D. L. Smith; G. L Smith 1976-7-4 C 7688 Placer SE side of Ralston Ridge 1554 Comment
  SD102801  Calyptridium monospermum Darley Howe 1978-7-14 5075 Placer Along state highway 20, 29 miles west of Truckee. 1645 Comment
  UCD70594  Calyptridium monospermum Martin J. Beran 1994-5-27 19 Placer Lang Crossing of HWY 20, South Fork of Yuba River. 1414 Comment
  UCR47682  Calyptridium monospermum M. -H. Sachet 1957-8-31 301 Placer Along road from Echo Summit to Placerville 1677 Comment
  UCD82831  Calyptridium umbellatum Robin McMaster 1973-6-3 447 Placer 2 mi W Lake Spaulding. 1524 Comment
  UC147600  Calystegia malacophylla subsp. malacophylla Harriet A. Walker 1908-6-24 1277 Placer Blue Canyon 1432 Comment
  UCD13325  Calystegia occidentalis Kristy S. Howard 1989-6-3 180 Placer Placer Co.; Dry Creek Rd, T12N, R8E, Sect. 16, SW 1/4. Elev. 1220 ft. 371 Comment
  CDA33597  Calystegia occidentalis subsp. fulcrata Dale Woods 2010-8-12 s.n. Placer Finning Mill Road. One mile more or less to Hughes Mill. 0 Comment
  UCR208545  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2009-5-11 14673 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
  UCD21723  Calystegia occidentalis subsp. occidentalis Robin McMaster 1973-6-3 430 Placer Off highway, near Weimer. Comment
  CHSC112054  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff, K. Van Zuuk, B. Ertter 2012-6-12 22051 Placer Tahoe National Forest,8.2miles NE of Foresthill on Sugar Pine Road 4.4 miles from Forest Hill Road. 1170 Comment
  POM259053  Camissonia subacaulis J. T. Howell 1938-8-2 13991 Placer 5 miles north of Brockway. Comment
  SEINET10462849  Campanula prenanthoides Brainerd 1915-7-31 BRAINERD 203 Placer Woods above Nevada City. Comment
  SEINET10463034  Campanula prenanthoides Wiegand 1921-8-26 WIEGAND 2397 Placer BLUE CANYON, DONNER PASS ROAD, DRY GRAVELLY THICKETS 4000 Comment
  SEINET10463250  Campanula prenanthoides Feudge 1927-7-18 FEUDGE 1774 Placer Emigrant Gap 1524 Comment
  SEINET10939005  Campanula prenanthoides Rimo Bacigalupi 1952-7-19 Bacigalupi 3863 Placer Near site of Monona Flat, ridge between Indian Creek and North Fork of the American River, about 2.5 miles east of Iowa Hill 991 Comment
  SEINET5341002  Capsella bursa-pastoris A. Tiehm, H. Mozingo; M. Williams; E. McPherson 1975-1 619 Placer One mile north of Lincoln. Comment
  CAS-BOT-BC37246  Cardamine breweri Alice Eastwood 1909-1-1 179 Placer Lake Tahoe Region. Ward Creek. Comment
  CDA33661  Cardamine breweri Dale Woods 2010-7-21 Placer Southwest corner of Squaw Valley Road and Hwy 89, between area park/soccer field and road. Comment
  UCD75767  Cardamine breweri Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5239 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  RSA0116209  Cardamine breweri Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  CHSC74211  Cardamine breweri var. breweri Susi Urie; Eric Schroder 1998-9-10 98 -327 Placer Lake Tahoe Basin--National Forest. Atone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CAS-BOT-BC37354  Cardamine californica Alice Eastwood 1922-4-6 11120 Placer Colfax. Comment
  UCD22363  Cardamine cordifolia Beth Lowe Corbin 1982-8-19 381 Placer 1 3/4 miles SSW of The Cedars. Partial sun. Common. NE facing slope, 25% incline. In shallow stream in logged whtie fir forest. Flowers white. 1950 Comment
  UCR270279  Cardamine cordifolia John F. Emmel 2002-6-23 1756 Placer Sierra Nevada Mountains, northern Lake Tahoe region, Middle Martis Creek 2195 Comment
  CDA13699  Cardamine cordifolia var. lyallii G. F. Hrusa, J. Glazner 1997-8-3 14059 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UC855781  Cardamine cordifolia var. lyallii Alice Eastwood 1909-1 243 Placer Deer Park Lake Tahoe Region, Deer Park Comment
  UCR237433  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
  SEINET3402476  Carduus pycnocephalus subsp. pycnocephalus R. W. Spellenberg, N. Zucker 2011-4-15 14276 Placer Along CA Hwy. 65 1.5 km N of Lincoln, ca. 40 air km NE of Sacramento. 55 Comment
  UCD42793  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 159 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 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
  CAS-BOT-BC18025  Carex athrostachya R. F. Hoover 1967-9-5 10839 Placer Carnelian Bay, Lake Tahoe. Comment
  CDA15926  Carex athrostachya G. F. Hrusa, J. Glazner 1999-7-17 15177 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest in vicinity. Clumping on edges of moist, lower part of main drainage. 1889 Comment
  CHSC74446  Carex athrostachya Susi Urie 1998-8-26 98 -118 Placer Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CHSC84746  Carex athrostachya L. P. Janeway; B. Castro 2003-8-23 7967 Placer Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. 2106 Comment
  CDA15921  Carex brainerdii G. F. Hrusa, J. Glazner 1999-7-17 15184 a Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET4231776 Image available Carex cusickii K. Chung, Matson, S 2009-1 1080 Placer Lake Tahoe, north side Comment
  CAS-BOT-BC34438  Carex deflexa var. boottii Lewis S. Rose 1944-7-26 44270 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  SEINET3026333 Image available Carex deflexa var. boottii Marcus E. Jones 1882-6-30 3307 Placer Emigrant Gap. Comment
  CAS-BOT-BC20108  Carex feta Saichi Kawahara 1969-7-6 1430 Placer East bank of Indian Creek, Mel Henderson Ranch. Swing near old cabin. 999 Comment
  CAS-BOT-BC20169  Carex filifolia var. erostrata Marcus E. Jones 1882-6-28 2908 Placer Emigrant Gap. Comment
  UCD75961  Carex filifolia var. erostrata Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5226 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  POM81878  Carex fissuricola Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. Comment
  OBI20162  Carex fracta David J. Keil 1978-7-23 12946 Placer Cisco Grove exit from I-80, just E of Nevada Co line. So fork of Yuba River 1768 Comment
  UCD74072  Carex fracta Jennifer W. Burt 2005-7-11 8 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
  UC1133376  Carex helleri L. S. Smith 1927-8-12 2225 Placer Squaw Peak Ridge Truckee Quadrangle 2438 Comment
  CHSC67704  Carex heteroneura var. heteroneura James D. Jokerst 1986-7-13 2707 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  UCD44462  Carex heteroneura var. heteroneura C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1828 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC28156  Carex hoodii Lewis S. Rose 1944-7-10 44059 Placer Chambers Lodge, Lake Tahoe. Comment
  CHSC68059  Carex hoodii James D. Jokerst 1986-7-12 2692 A Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  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
  UCD162537  Carex hoodii Steve Matson 2003-6-21 804 Placer nSNH; Truckee River region; Sagehen Creek Field Station; between Johnson cabin and dirt road. 1950 Comment
  UCR120502  Carex illota George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5029 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CHSC74288  Carex infirminervia Susi Urie 1998-8-13 98 -043 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC68060  Carex integra James D. Jokerst 1986-7-13 2704 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  NY11165  Carex integra A. A. Heller 1909-7-16 9841 Placer Summit 2133.6 Comment
  UCD44020  Carex jonesii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-8-1 1386 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCR66604  Carex jonesii J. T. Howell 1938-8-2 14000 Placer 5 mi north of Brockway. 2447 Comment
  CHSC84736  Carex lenticularis var. lipocarpa L. P. Janeway; B. Castro 2003-8-23 7966 Placer Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. 2106 Comment
  UC1729930  Carex lenticularis var. lipocarpa L. P. Janeway 1998-8-6 5979 Placer 1.7 mi w of Lake Tahoe (n side of Blackwood Creek, Homewood Quadrangle); Blackwood Creek, Homewood Quadrangle 1938 Comment
  UCD43080  Carex leporinella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 448 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET5786653 Image available Carex luzulifolia Marcus E. Jones 1882-1 2907 Placer Emigrant Gap Comment
  CAS-BOT-BC32454  Carex luzulifolia var. strobilantha Amos Arthur Heller 1903-8-17 7187 Placer Above Donner Pass 2286 Comment
  UCD43337  Carex luzulina var. luzulina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 705 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC710481  Carex mariposana John Thomas Howell 1943-7-27 18876 Placer near Tahoe Pines (Lake Tahoe) Comment
  UCD74079  Carex microptera Jennifer W. Burt 2006-7-1 171 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1975 Comment
  CAS-BOT-BC32063  Carex multicaulis Saichi Kawahara 1969-5-25 900 Placer Ditchline, N of old Cabin, Mel Henderson Ranch, Indian Creek. 1011 Comment
  SEINET3219609 Image available Carex multicaulis Clare B. Hardham 1961-6-14 7349 Placer route 40, near Baxter. Comment
  UC825430  Carex multicaulis Marcus E. Jones, A. M. 1882-6-28 3286 Placer Emigrant Gap Comment
  CAS-BOT-BC32273  Carex multicostata John Thomas Howell 1943-7-21 18641 Placer Donner Pass to Mt. Lincoln 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
  CHSC74297  Carex nebrascensis Susi Urie 1998-8-29 98 -170 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CHSC74300  Carex nebrascensis Susi Urie 1998-9-2 98 -205 Placer Lake Tahoe Basin. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  CHSC74303  Carex nebrascensis Susi Urie; Eric Schroder 1998-9-11 98 -341 Placer Lake Tahoe Basin. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UCD43829  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1195 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  RSA0089808  Carex nervina Dean Wm. Taylor 2010-8-10 20992 Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek. 2508 Comment
  CHSC84745  Carex pellita L. P. Janeway; B. Castro 2003-8-23 7968 Placer Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. 2106 Comment
  CAS-BOT-BC119032  Carex pellita John Thomas Howell 1938-8-2 13998 Placer 5 miles N of Brockway. Comment
  CAS-BOT-BC118341  Carex praegracilis Bolander 4549 Placer Meadows near Auburn Comment
  SEINET7572177 Image available Carex praegracilis Alice Eastwood, John Thomas Howell 1937-5-8 4363 Placer Between Newcastle and Penryn. Comment
  SEINET13699934  Carex raynoldsii A. A. Heller 1909-7-16 9854 Placer Summit [Donner Summit] 2134 Comment
  CHSC68063  Carex rossii James D. Jokerst 1986-7-12 2697 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  UCD74101  Carex rossii Jennifer W. Burt; Sarah Shannon 2005-7-8 7 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from coniferous forest near abandoned ski runs. 1922 Comment
  CAS-BOT-BC117696  Carex simulata John Thomas Howell 1943-7-22 18696 Placer Summit Valley Comment
  SEINET4285926 Image available Carex simulata K. Chung, Matson, S 2009-1 1079 Placer Lake Tahoe, north side Comment
  CAS-BOT-BC117697  Carex simulata John Thomas Howell 1938-8-2 13999 Placer 5 mi N of Brockway 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-BC116555  Carex subfusca R. F. Hoover 1967-9-7 10855 Placer Antone Meadow. Comment
  CAS-BOT-BC116561  Carex subfusca L. S. Smith 1916-6-18 555 Placer Squaw Valley. 1828 Comment
  CDA13692  Carex subfusca G. F. Hrusa, J. Glazner 1997-8-3 14052 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. 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
  CHSC106457  Carex subfusca Peter F. Zika 2010-8-10 25307 Placer Northern Sierra Nevada Highlands (n SNH). Above E shore of Truckee River, Route 89, 12 air km NE of Lake Tahoe, opening in Pinus Jeffreyi. 1810 Comment
  CHSC74717  Carex subfusca Susi Urie 1998-8-29 98 -154 Placer Lake Tahoe Basin Management Unit. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CAS-BOT-BC116559  Carex subfusca Thomas Morley 1940-10-20 82 Placer SE side of Tinker Knob. 2651 Comment
  CHSC73342  Carex utriculata L. P. Janeway; Eric Schroder 1998-9-16 6321 Placer Lake Tahoe Basin Management Unit. Western border of Lily Lake; head of McKinney Creek, about 3.7 mi southwest of Lake Tahoe. 2164 Comment
  CHSC74315  Carex utriculata Susi Urie 1998-9-3 98 -225 Placer Lake Tahoe Basin Management Unit. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  CAS-BOT-BC115401  Carex utriculata Catherine Best 1938-8-2 14001 Placer 5 mi N of Brockway Comment
  CHSC74316  Carex vesicaria Susi Urie 1998-9-4 98 -263 Placer Lake Tahoe Basin Management Unit. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 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
  UC1133481  Carex vesicaria L. S. Smith 1927-8-6 2157 Placer Robertson Flat Ranger Station Tahoe <National Forest>, Forest Hill Dist., Colfax Quadrangl Comment
  CAS-BOT-BC114930  Carex whitneyi Lewis Samuel Rose 1940-6-1 40451 Placer Truckee River, 3 mi. NW of Tahoe City. 1889 Comment
  SD3558  Cassiope mertensiana C. F. Sonne 1897-8-14 Placer Truckee, east slope of Mt. Anderson. Comment
  JEPS88816  Castilleja affinis subsp. affinis T. I. and F. M. Chuang 1991-6-29 7838 Placer Gold Run Comment
  CDA19534  Castilleja applegatei M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 247 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  OBI39813  Castilleja applegatei Joy H. Nishida 1985-7-10 771 Placer Homewood 1829 Comment
  JEPS86479  Castilleja applegatei subsp. pallida L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6556 Placer ca 5 mi se Donner Lake (slopes se of Tinker Knob, Sherman Chickering's Soda Springs holdings); Soda Springs 2529 Comment
  CAS-BOT-BC249705  Castilleja applegatei subsp. pinetorum Alice Eastwood 1909-1-1 59 Placer Lake Tahoe Region, Sunnyside Comment
  UC1713294  Castilleja applegatei subsp. pinetorum Katharine Brandegee Jul 1911 Placer Donner 2133 Comment
  UC174622  Castilleja applegatei subsp. pinetorum A. A. Heller 1909-7-16 9840 Placer Summit 2133 Comment
  UCR233242  Castilleja applegatei subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17690 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 Comment
  CHSC96510  Castilleja attenuata Lowell Ahart; Brian Williams 2007-4-13 13652 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  HSC82236  Castilleja attenuata Thomas W. Nelson 1979-4-10 4580 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  CHSC1815  Castilleja densiflora subsp. densiflora 1943-4-21 Placer North of Lincoln. Comment
  UC886498  Castilleja lacera C. L. Hitchcock 1940-5-14 6387 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  UCD158882  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 s.n. Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC103492  Castilleja nana C. F. Sonne Jun 1897 Placer above Summit; Sierra Nevada Mountains Comment
  RSA428395  Castilleja pilosa Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  UC1032433  Castilleja pruinosa G. T. Nordstrom 1934-6-21 146 Placer near Mammoth Springs; Tahoe National Forest, Colfax Quad. 1706 Comment
  JEPS103927  Castilleja subinclusa subsp. subinclusa T. I. and F. M. Chuang 1991-6-29 7839 Placer 3.6 mi SW of Iowa Hill, on road to Iowa Hill. Comment
  CDA13687  Castilleja tenuis G. F. Hrusa, J. Glazner 1997-8-3 14047 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CDA15979  Castilleja tenuis G. F. Hrusa, J. Glazner 1999-7-17 15161 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC73998  Castilleja tenuis Susi Urie 1998-8-28 98 -140 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74271  Castilleja tenuis Susi Urie 1998-8-29 98 -165 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  UCD21601  Castilleja tenuis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1266 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  UCR208277  Caucalis microcarpa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14634 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  CAS-BOT-BC47797  Ceanothus Beecher Crampton 1973-10-2 9021 Placer 1 mile east of Baxter 1280 Comment
  SEINET5339456  Ceanothus W. D. Billings 1951-7-28 2133 Placer Dry slopes near Talbot home Camp, Deadman flat, west side of Sierra Nevada, 20 miles south of Soda Springs. 1676 Comment
  UC2014174  Ceanothus William Williams 1986-6-15 s.n. Placer Placer County: Norden. Hill at top of ski lift. Comment
  CAS-BOT-BC47894  Ceanothus cordulatus Sachs 1922-7-1 1216 Placer Lake Tahoe Comment
  JEPS42224  Ceanothus cordulatus W. L. Jepson 1918-7-30 7725 Placer Tahoe Lake Tahoe 1920 Comment
  SACT002899  Ceanothus cordulatus James Grove 1977-7-15 Placer 2000.0 Comment
  SCFS5099  Ceanothus cordulatus F. Felix, Erica Krimmel 2013-5-26 48 -B Placer North Fork/Chickering American River Reserve. 0.1 mile south of where Onion creek crosses Cedars Road. Comment
  UC18249  Ceanothus cordulatus J. Burtt Davy Jun 25 1897-Jun 30 1897 3248 Placer near Tahoe (along Truckee River); Truckee River Basin Comment
  UC569782  Ceanothus cordulatus N. French 1934-5-24 361 Placer nfork of American River Colfax quad 1341 Comment
  UCR242330  Ceanothus cordulatus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16660 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  SEINET5339253  Ceanothus cordulatus D. Seeber 1980-9-20 s.n. Placer Near Kingvale 335 Comment
  CAS-BOT-BC49327  Ceanothus cuneatus H. E. McMinn 1926-5-28 1749 Placer 6 mi. n. of folsom (Allen - local name) Must be near rose Spring - 5 mi. east of Roseville Comment
  POM148040  Ceanothus cuneatus Alice Eastwood 1927-3-26 14192 Placer On road between Placerville and Coloma. Comment
  SACT002915  Ceanothus cuneatus Josephine Van Ess 1975-3-25 Placer Collected at crest of hill near south end of Barton Road. Fruiting. Rocky outcrop. Comment
  SEINET5339262  Ceanothus cuneatus H. Holbo 1961-3-31 s.n. Placer N. fork American River 610 Comment
  SEINET5339275  Ceanothus cuneatus J. Ridley 1959-3-29 1 Placer 3 mi south of Auburn on Hwy 49 442 Comment
  UCD111779  Ceanothus cuneatus var. cuneatus D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-6 s.n. Placer Forest Hill Road between Todd Valley and Forest Hill, near Forest Hill. Tahoe National Forest. 750 Comment
  UC1281452  Ceanothus cuneatus var. cuneatus H. E. McMinn and G. Townsley 5425 Placer e Alto (along old road to Hwy 40) 1188 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
  SCFS11529132  Ceanothus fresnensis E. Krimmel 2012-9-13 Placer NFAm trailside, away from water. Comment
  CAS-BOT-BC50759  Ceanothus integerrimus H. E. McMinn 1926-5-29 1753 Placer 3.1 mi. east of Crystal Springs Comment
  SACT002924  Ceanothus integerrimus Michael Baad 1977-4-13 Placer 0.8 mile north of PLacer Hills Road on Milk Ranch Road leading to Bear River Camp. High road bank to the east of road, sunny slope. Comment
  UC870581  Ceanothus integerrimus C. L. Hitchcock 1940-5-7 6336 Placer 1 mi w Baxter Comment
  UC870586  Ceanothus integerrimus Marcus E. Jones 1882-4-28 2656 Placer Emmigrant Gap Comment
  UCD111959  Ceanothus integerrimus A. S. Crafts 1926-5-1 799 Placer American River Canyon. Comment
  UCD111963  Ceanothus integerrimus Beecher Crampton 1955-6-15 2859 Placer Bunch Canyon head. Comment
  UCR190845  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2007-5-23 12066 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  UCR215980  Ceanothus integerrimus George K. Helmkamp, Amy Barnes 2009-7-12 15184 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  SEINET5339314  Ceanothus integerrimus P. L. Comanor, B. Clark; B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 mi from end of railroad bridge on Calif.194. Winding road, plot located on the right, past parking area, down path approx. 60 m. Comment
  POM260025  Ceanothus integerrimus var. californicus C. L. Hitchcock 1940-5-7 6336 Placer 1 mile west of Baxter. Comment
  UCD16103  Ceanothus integerrimus var. californicus Gary Brickner 1984-5-12 31 Placer California. Placer County: 4 mi east of Forest Hill on Forest Hill Rd. 1121 Comment
  CDA14273  Ceanothus integerrimus var. macrothyrsus F. G. Andrews, T. Eichlin 1998-6-12 s.n. Placer Sierra Nevada; 6.5 mi. NE of Foresthill on Mosquito Ridge. 1304 Comment
  CAS-BOT-BC51157  Ceanothus lemmonii H. L. Mason 1926-5-29 3285 Placer Donner Pass Road near Alta Comment
  SACT002942  Ceanothus lemmonii Michael Baad 1983-6-26 Placer Collected on trail to springs. 2 miles northeast of Michigan Bluff Comment
  SACT002943  Ceanothus lemmonii Michael Baad 1983-2-26 Placer On trail to Poor Man's Canyon on trail to El Dorado Canyon Comment
  SBBG26946  Ceanothus lemmonii C. L. Hitchcock 1927-5-7 6327 Placer ca. 1 mi W of Baxter Comment
  UCD33846  Ceanothus leucodermis Beecher Crampton 1973-10-2 9021 Placer Placer County, 1 mile east of Baxter. 1280 Comment
  UCR235384  Ceanothus oliganthus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18946 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  CAS-BOT-BC63397  Ceanothus prostratus C. L. Hitchcock 1940-5-7 6330 Placer Ca. 1 mi. w. of Baxter. Comment
  OBI10314  Ceanothus prostratus H. E. McMinn, G. Townsley 1941-8-23 5368 Placer 1/8 mi N of Monte Vista on road to Dutch Flat in old orchard Comment
  UC1071434  Ceanothus tomentosus J. E. Sowder, R. W. Lundh 1933-4-26 56 Placer 3 mi sw Gold Run; Colfax Quad. Comment
  CAS-BOT-BC52881  Ceanothus tomentosus var. tomentosus Belle R. Jackson 1932-6-1 s.n. Placer Near Gold Run above Colfax Comment
  CAS-BOT-BC52882  Ceanothus tomentosus var. tomentosus H. E. McMinn 1926-5-29 1708 M Placer 10.6 mi. west of Crystal Springs Comment
  RSA121653  Ceanothus velutinus H. S. Yates 1934-6-30 3958 Placer Carnelian Bay, Truckee, Placer. 1921 Comment
  UCD112784  Ceanothus velutinus Rex Palmer 1979-5-26 N 5 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  UC18467  Ceanothus velutinus var. velutinus C. F. Sonne Jul 24 1892-Jul 27 1892 6 Placer fl. woods on Truckee River Sierra Nevada Mountains, fl Truckee River, fr nr Truckee (fr hillside near Truckee) Comment
  CDA484  Cedrus deodara T. C. Fuller 1975-9-5 20100 Placer Colfax, N side of town; State Hwy. Maintenance Yard, between old Hwy. 40 & I-80. 0 Comment
  CAS-BOT-BC272115  Centaurea cyanus Peter H. Raven 1950-6-26 2409 Placer Along US 40 in the altitude range of Baxter's 1219 Comment
  CAS-BOT-BC277037  Centaurea maculosa T. C. Fuller 1964-9-1 12569 Placer N. side of freeway, Interstate 80 from Donner Summit, just e. of Hampshire Rocks, Sierra Nevada 1828 Comment
  CDA36362  Centaurea maculosa Bob Graton/Wendy West 2011-9-23 PDR# 1332991 Placer Squaw Valley Ski Resort. 0 Comment
  CDA7269  Centaurea maculosa T. C. Fuller 1965-8-1 13942 Placer Sierra Nevada; Sierra Nevada. South side of the westbound lanes of Interstate 80 freeway, 1.4 miles east of Emigrant Gap. Comment
  CDA7272  Centaurea maculosa T. C. Fuller 1964-9-1 12569 Placer Sierra Nevada; Sierra Nevada. N side of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. Comment
  CDA7273  Centaurea maculosa T. C. Fuller 1963-8-28 11177 Placer North side of Highway 40 freeway to Truckee, 0.5 mile east of Hampshire Rocks. 0 Comment
  RSA186847  Centaurea maculosa T. C. Fuller 1965-8-10 13942 Placer South side of westbound lanes of Interstate 80 freeway, 1.4 miles east of Emigrant Gap; Sierra Nevada 1829 Comment
  UC1119120  Centaurea melitensis C. R. Clar 1933-5-5 114 Placer e of Newcastle; Sacramento 182 Comment
  CHSC67848  Centunculus minimus James D. Jokerst 1986-4-14 2624 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. In vernal pools in annual grassland with mima mounds. Comment
  CDA36894  Cerastium glomeratum CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CDA37197  Cerastium glomeratum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CAS-BOT-BC388353  Cerastium glomeratum Alice Eastwood 1909-1-1 203 Placer Lake Tahoe Region. Sunnyside Comment
  SEINET7347832  Cercis canadensis L. Munker No date specified 25 Placer 10 miles east of Auburn, U.S. 40 413 Comment
  CAS-BOT-BC136989  Cercocarpus betuloides var. betuloides W. R. Dudley 1909-7-22 s.n. Placer Lover's Leap, American River Comment
  CDA12425  Chaenactis douglasii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8554 Ab Placer Lake Tahoe; W end of Ward Valley, 4 miles SW of Tahoe City. Comment
  UCD21702  Chaenactis douglasii Beth Lowe Corbin 1982-8-4 210 Placer 1/3 mile west of Onion Creek campground. In rocky and fine, sandy soil. Opening in montane chaparral. Perennial herb with purplish stems, creme colored flowers. Full sun. West facing slope, 30% incline. Uncommon. 1859 Comment
  CAS-BOT-BC276712  Chaenactis douglasii var. douglasii Greg de Nevers 1991-7-24 9761 Placer Ward Creek Valley, S of Sunnyside 1950 Comment
  SEINET7067126  Chaenactis glabriuscula A. G. Vestal 1947-4-29 s.n. Placer Serpentine about 3.8 miles north of Auburn and 0.2 miles south of Elders Corner on Route 49. Coordinate datum: NAD27. UTM Zone 10, 664672mE, 4313245mN. Comment
  CAS-BOT-BC277775  Chaenactis nevadensis G. L. Stebbins 1969-7-20 6949 Placer Ridge south of North Fork, American River, between Sailor Canyon and Wildcat Canyon 1950 Comment
  CAS-BOT-BC141728  Chamaebatia foliolosa Saichi Kawahara 1969-5-25 898 Placer Ditch line north of old cabin, Mel Henderson Ranch, Indian Creek 1011 Comment
  CHSC75010  Chamaebatia foliolosa Sabbina M. Lau 1989-5-20 13 Placer 20 miles out of Auburn on Foresthill Rd. 1036 Comment
  RSA451328  Chamaebatia foliolosa Wm. Martin 1971-9-10 20248 Placer 1 mile north of Gold Run on Hwy. 80 991 Comment
  UC1127941  Chamaebatia foliolosa J. E. Sowder 1933-4-28 58 Placer 2 1/2 mi ne of Colfax 762 Comment
  POM90078  Chamaebatia foliolosa Marcus E. Jones 1900-7-26 s.n. Placer Blue Canyon Comment
  SEINET6336151  Chamaebatia foliolosa W. D. Billings 1940-5-18 1318 Placer Area around Placer mines Gold Run Comment
  CDA35254  Chamaesyce ocellata T. C. Fuller 1958-7-7 1998 Placer 2 miles north of Roseville. 0 Comment
  UC567054  Chamaesyce serpyllifolia B. Bolt 1934-7-22 160 Placer Chicken Hawk Camp 1280 Comment
  CAS-BOT-BC166013  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1943-7-25 18803 Placer West side of Donner Pass near Norden 2133 Comment
  CAS-BOT-BC68282  Cheilanthes cooperae J. C. Hawver; Mary Elizabeth Parsons 1912-7-7 s.n. Placer Lime Rock, Clipper Gap Comment
  UCD75755  Cheilanthes gracillima Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5223 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  SCFS1102  Chimaphila menziesii E. Krimmel 2014-6-26 Placer On trail, 1/8-mile above Heath Falls Overlook Comment
  CAS-BOT-BC451415  Chimaphila menziesii C. F. Sonne 1878-7-1 208 Placer Pin Woods near Truckee Comment
  CAS-BOT-BC451470  Chimaphila umbellata Miss Ireland 1920-1-1 s.n. Placer Unspecified Comment
  UCD57931  Chloris verticillata Beecher Crampton 1967-8-21 8178 Placer Interstate Hwy. 80 W, Douglas Blvd. exit, 1.5 miles SSE Roseville. Comment
  CDA39021  Chondrilla juncea D. G. Kelch 2011-10-2 11 .814 Placer Gold Run rest stop. Comment
  UCR190691  Chondrilla juncea George K. Helmkamp, E. A. Helmkamp 2007-9-14 12965 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 15 miles east of Foresthill 832 Comment
  CAS-BOT-BC279800  Chondrilla juncea John Thomas Howell 1966-7-29 42033 Placer 1 mile ne. of Loomis 121 Comment
  CDA37743  Chondrilla juncea William J. Ferlatte 1971-5-3 1328 Placer Southeast corner of Sierra College Blvd. & Brace Rd., about 1 mile southwest of Loomis. 0 Comment
  CDA7384  Chondrilla juncea T. C. Fuller 1967-5-3 15764 Placer Southeast corner of overpass of Interstate 80. Penryn 0 Comment
  UCR194954  Chorizanthe membranacea George K. Helmkamp, E. A. Helmkamp 2007-5-18 12038 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  UCD21709  Chrysothamnus Rex Palmer 1979-6-9 N 139 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  CAS-BOT-BC190015  Cinna latifolia H. N. Bolander 1869-6-1 s.n. Placer Bear Valley (Emigrant Gap Site). Comment
  CHSC11105  Circaea alpina subsp. pacifica Lowell Ahart 1969-7-30 Placer Near Ahart Camp, French Meadows. 1524 Comment
  UC128206  Circaea alpina subsp. pacifica Miss Harriet A. Walker 1908-7-27 1454 Placer near Iron Spring Cisco Comment
  UCD130514  Cirsium andersonii G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12650 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  SEINET7451058 Image available Cirsium andersonii F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe 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
  UCD130419  Cirsium arvense Beecher Crampton 1961-9-27 6019 Placer Blue Canyon. 1430 Comment
  UCR193401  Cirsium occidentale var. californicum George 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
  CDA39087  Cirsium occidentale var. californicum Preston Neufeld 2013-7-3 PDR# 310 P06129931 Placer Mosquito Ridge Road. 0 Comment
  JEPS126379  Cirsium scariosum var. americanum Steve Matson 1998-6-21 263 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 120 yards north of Highway 267. Comment
  CAS-BOT-BC439029  Cistanthe monosperma Miss. H. A. Walker 1908-6-23 1207 Placer Blue Canon [Canyon] Station, in the Sierra Nevada 1470 Comment
  CAS-BOT-BC228885  Cistanthe umbellata F. Almeda 1993-7-24 7279 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CAS-BOT-BC228889  Cistanthe umbellata John H. Thomas; Hazelle A. Thomas 1956-7-21 6157 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC162648  Clarkia Peter H. Raven 1953-5-10 5490 Placer Road to Placerville 1.7 miles from Auburn in canyon of American River Comment
  UC634698  Clarkia biloba H. L. Mason 1926-5-28 3270 Placer 5 mi above Auburn Comment
  UCR173729  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10708 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  UCR218115  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2010-6-26 16379 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  POM46428  Clarkia rhomboidea Marcus E. Jones 1882-6-30 2719 Placer Emigrant Gap. Comment
  SCFS1222  Clarkia rhomboidea E. Krimmel, F. Felix 2014-6-26 Placer NFAm. Heath Falls Trail, Land of the Lost Comment
  UCR193402  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2007-5-30 12188 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
  UC423052  Clarkia unguiculata David D. Keck 1928-6-12 420 Placer Auburn 304 Comment
  UCR218228  Clarkia unguiculata George K. Helmkamp, E. A. Helmkamp 2010-6-26 16409 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  CAS-BOT-BC165427  Clarkia unguiculata G. P. Rixford 1914-6-22 s.n. Placer Loomis Comment
  UC930749  Clarkia williamsonii Marcus E. Jones, A. M. 1882-7-3 3341 Placer Colfax Comment
  UC192281  Claytonia lanceolata E. L. Greene Jul 1895 Placer Summit Station Comment
  UCR173279  Claytonia parviflora subsp. grandiflora George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10443 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
  UCR235619  Claytonia parviflora subsp. grandiflora George K. Helmkamp, E. A. Helmkamp 2012-5-5 18919 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
  RSA20885  Claytonia parviflora subsp. parviflora C. B. Wolf 1937-3-30 8348 Placer Sacramento Valley, 4.8 mi. E of Lincoln on Penryn Rd. 91 Comment
  SEINET3840886  Claytonia parviflora subsp. parviflora M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 228 Placer Hughes Mill, Along Finning Mill Road, approximately three miles north of Forest Hill Road, approximately three miles east of Forest Hill 1070 Comment
  SFV8731  Claytonia perfoliata E. J. McBerty 1961-5-7 25 Placer Sierra Nevada On county road about 1 mile north from Weimar. 640 Comment
  UCR234215  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2011-4-10 17173 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 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
  CAS-BOT-BC443739  Claytonia rubra subsp. rubra Alice Eastwood 1912-6-15 440 Placer Tahoe City, Lake Tahoe Region Comment
  CAS-BOT-BC443740  Claytonia rubra subsp. rubra Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  UCD21923  Claytonia rubra subsp. rubra Rex Palmer 1979-6-8 N 123 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA22507  Clematis lasiantha Annetta Carter 1937-4-25 1249 Placer Between Folsom and Auburn, 6.5 miles SE of Loomis. 152 Comment
  SBBG27167  Clematis lasiantha A. Carter 1937-4-25 1248 Placer between Folsom and Auburn, 6.5 mi SE of Loomis 152 Comment
  UCR222552  Collinsia heterophylla George K. Helmkamp, E. A. Helmkamp 2010-4-17 15897 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill 308 Comment
  UCD82836  Collinsia parviflora Robin McMaster 1973-6-3 459 Placer 2 mi W Lake Spaulding. 1524 Comment
  UC885593  Collinsia tinctoria Marcus E. Jones, A. M. 1882-7-3 3433 Placer Colfax Comment
  JEPS127494  Collomia grandiflora Steve Matson 1998-7-12 338 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. Comment
  SEINET3861936  Collomia grandiflora Genevieve K. Walden 2009-6-25 213 Placer Porters Board Shop office at the Truckee Tahoe Airport, in vacant lot next to Chevron fuel pumps.; 0 1726 Comment
  SEINET8729294 Image available Collomia grandiflora Lewis S. Rose 1937-1 37611 Placer Tahoe Vista. 1905 Comment
  UC879758  Collomia heterophylla C. L. Hitchcock 1940-5-7 6315 Placer ca 1 mi w Baxter Comment
  UCR250063  Collomia heterophylla George K. Helmkamp, Mary Alice Barnes 2013-5-3 20473 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  SCFS5107  Collomia heterophylla F. Felix, Erica Krimmel 2013-5-19 2 Placer North Fork American River, 0.1 mile east of Heath Falls overlook, on trail Comment
  SEINET3696231 Image available Collomia heterophylla F. A. MacFadden 1934-7-1 12724 Placer Canyen Creek, Dutch Flat. Comment
  JEPS127421  Collomia linearis Steve Matson 2003-6-29 819 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 500 yards north of Highway 257 and along Martis Creek. Comment
  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
  UCD123119  Cordylanthus tenuis P. Rodriguez-Rojo; D. Sanchez-Mata 1997-8-8 Placer Tahoe National Forest. Todd Valley-Forest Hill. Forest Hill Rd. 850 Comment
  SEINET3245663  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2009-1 15424 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill (Duncan Peak 7.5') 1661 Comment
  UC103431  Cordylanthus tenuis subsp. tenuis C. F. Sonne Aug. 1897 Placer Truckee River Sierra Nevada Mountains Comment
  RSA523859  Cordylanthus tenuis subsp. tenuis L. R. Heckard, R. C. Bacigalupi, T. I. Chuang 1973-7-28 3453 Placer Just east of Alta Lake. 1159 Comment
  SCFS1232  Cornus E. Krimmel 2013-1 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Streamside where trail meets water. Comment
  CAS-BOT-BC209870  Cornus nuttallii G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  UC1122775  Cornus nuttallii B. Bolt 1934-7-23 165 Placer end of Traveled Rd. from Westville (Plot #249); Tahoe Nat'l Forest, Colfax Quad. 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
  CDA15992  Cornus sericea subsp. sericea G. F. Hrusa, L. Serafini 1993-6-29 11262 Placer Duncan Creek approx. 100 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of French Meadows Reservoir. Comment
  RSA750430  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2008-8-20 14020 Placer Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  UC21568  Cornus sericea subsp. sericea Mrs. M. M. Hardy 1893-1-1 Placer Comment
  UCR170809  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2005-9-30 9934 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  UCR189635  Cornus sericea subsp. sericea George 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
  UCR146867  Cornus sessilis Beecher Crampton 1973-10-2 9020 Placer Sierra Nevada Mountains, Baxter along Canyon Creek 1220 Comment
  UCD21712  Crepis Rex Palmer 1979-6-9 N 130 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  CAS-BOT-BC290351  Crepis acuminata Geo. B. Grant 1906-7-15 7020 Placer Tahoe Tavern, Lake Tahoe Comment
  SEINET9353658  Crepis acuminata Unknown 2001-7-15 15939 Placer Placer Comment
  CAS-BOT-BC291525  Crepis intermedia Alice Eastwood 1909-1-1 57 Placer Sunnyside, Lake Tahoe Region Comment
  JEPS111217  Crepis occidentalis Steve Matson 2005-6-15 1282 Placer Martis Valley, ca 3 miles southeast of Truckee, north of 267, 500 meters west of Martis Creek; 39.3038 N, 120.1254 W; Elevation 5840 ft. 1780 Comment
  CAS-BOT-BC290736  Crepis occidentalis subsp. conjuncta Marcus E. Jones 1882-6-30 2784 Placer Emigrant Gap Comment
  CAS-BOT-BC383031  Crepis occidentalis subsp. conjuncta Marcus E. Jones 1882-6-30 2784 Placer Emigrant Gap Comment
  POM17642  Crepis occidentalis subsp. conjuncta Marcus E. Jones 1882-6-30 2784 Placer Emigrant Gap. Comment
  UCD162528  Crepis occidentalis subsp. pumila Steve Matson 2005-7-3 1351 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, east of Martis Creek. 1780 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
  SEINET9336239  Croton setiger Unknown 2010-6-26 16370 Placer Sierra Nevada Mountains Foothills Comment
  JEPS111180  Cryptantha affinis Steve Matson 2005-6-19 1304 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2957 N, 120.1382; Elevation 5850 ft. 1783 Comment
  UC1178527  Cryptantha affinis Malcolm A. Nobs 1950-9-24 Placer e slope Squaw Peak 1828 Comment
  UC857053  Cryptantha ambigua unknown 1286 Placer Summit Station 2121 Comment
  CAS-BOT-BC218774  Cryptantha humilis D. S. Smith 1928-6-27 2419 Placer Tahoe [National] Forest. Above Deer Park on ridge 2286 Comment
  UC24998  Cryptantha humilis C. F. Sonne Jul 1 1886-Jul 10 1887 Placer Rocky Peak, on Truckee River Sierra Nevada Mountains, Truckee River Comment
  POM126494  Cryptantha torreyana Helen D. Geis 176 Placer Deer Park. Comment
  CAS-BOT-BC68069  Cryptogramma acrostichoides A. A. Heller 1909-7-16 9837 Placer Summit 2133 Comment
  SEINET6429205  Cryptogramma acrostichoides A. A. Heller 1909-7-16 9837 Placer Summit 2134 Comment
  CHSC82706  Cuscuta californica var. breviflora Lowell Ahart 2002-7-22 9885 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
  JEPS103312  Cuscuta suksdorfii Lowell Ahart 2002-7-22 9885 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
  SEINET4560771  Cymopterus terebinthinus var. californicus George K. Helmkamp, E. A. Helmkamp 2010-1 16665 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  UCD21673  Cymopterus terebinthinus var. californicus Beth Lowe Corbin 1982-8-4 235 Placer 1 1/8 mile NNW of Onion Creek campground. In rocky, fine, sandy soil. Flowers yellowish. Plant ill smelling. Full sun. East facing slope, 20% incline. Common. 2194 Comment
  UCD60083  Cynodon dactylon Beecher Crampton 1957-5-7 3996 Placer 2 miles northeast of Lincoln, Thermalands Road. Comment
  SEINET12567969  Cynoglossum grande D. E. Brix 1962-3-17 s.n. Placer North Fork of American River, 3.5 miles NE of Auburn. 518 Comment
  JEPS99470  Cynoglossum occidentale Steve Matson 1998-8-21 380 Placer Tahoe Vista, 200 m SW of western terminus of North Ave. Tahoe Basin, Snow Creek watershed Comment
  SACT000854  Cynosurus echinatus D. Meyer 1983-6-18 Placer Shady area. 1170.0 Comment
  SACT000855  Cynosurus echinatus D. Meyer 1983-6-5 Placer On turn-off along roadside. 487.68 Comment
  UCD18376  Cyperus bipartitus DeWayne Gilbert 1976-1 s.n. Placer Exact location unknown. Comment
  CAS-BOT-BC114550  Cyperus eragrostis Brighton C. Cain 1925-8-15 4 Placer 2 miles south of Auburn at Wise Power House. Comment
  UCR250602  Cyperus eragrostis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20497 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
  SDSU11702  Cyperus niger D. F Howe 1960-9-18 2973 Placer 4 miles north of Auburn, Place Co. 518 Comment
  CAS-BOT-BC70579  Cystopteris fragilis A. A. Heller 1917-8-14 12931 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  CAS-BOT-BC70581  Cystopteris fragilis Alice Eastwood 1912-6-15 414 Placer Deer Park, Lake Tahoe Region Comment
  CDA12388  Cystopteris fragilis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8516 A Placer Lake Tahoe; in upper Ward Valley, 4 mi SW Tahoe City. Comment
  RSA692807  Cystopteris fragilis May N. Ackley 1925-06 31 Placer Bear Valley 1372 Comment
  UCD75757  Cystopteris fragilis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5227 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
  SACT000864  Dactylis glomerata D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  UCR173269  Dactylis glomerata George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10432 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  SACT000865  Dactylis glomerata J. Sitts 1983-7-30 Placer 0.3 mile west of campground on road to Barker Peak Comment
  SACT000886  Danthonia californica D. Meyer 1984-7-8 Placer roadside 1758.0 Comment
  SACT000888  Danthonia californica D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  UCD60695  Danthonia californica var. americana F. M. Reed and R. L. Pendleton 1907-7-25 1776 Placer Lake Tahoe Region, road near Modjiska Falls, Glen Alpine. 2042 Comment
Read comments
Jun 21 2012
  UC197475  Darmera peltata C. F. Sonne Jun 1897 Placer near Towles' (Deer Creek); Sierra Nevada Mountains Comment
  UCR259874  Daucus carota George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22464 Placer Sacramento Valley, Highway CA-193 (Lincoln-Newcastle Hwy) at the junction with Gold Hill Road, 3.8 miles northwest of US-80 114 Comment
  SD81065  Delphinium depauperatum Darley F. Howe 1971-7-3 4763 Placer Hillside near Truckee River, 8 miles south of Truckee 1829 Comment
  CDA11995  Delphinium gracilentum G. F. Hrusa 1995-5-2 12176 Placer Sierra Nevada; Shaded slopes beneath Douglas-fir. 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Perennial, flowers purple. Comment
  JEPS23399  Delphinium gracilentum Leland S. Smith 1925-6-3 1619 Placer Yankee Jims, on Forest Hill divide, about 2 miles due west of Forest Hill; Tahoe National Forest 1584 Comment
  UC188637  Delphinium gracilentum C. F. Sonne 1891-5 Placer between Auburn and Colfax Comment
  SEINET5338028  Delphinium hesperium R. L. Smith 1942-4-3 s.n. Placer 5 mi. E of Roseville. 122 Comment
  CAS-BOT-BC116092  Delphinium nuttallianum Alice Eastwood 1909-1-1 54 Placer Lake Tahoe region, Sunnyside. Comment
  CAS-BOT-BC116472  Delphinium nuttallianum Mary E. Jump 1939-6-1 s.n. Placer Bear Valley Comment
  UC854192  Delphinium nuttallianum C. L. Hitchcock 1940-5-7 6334 Placer ca 1 mi w Baxter Comment
  RSA21432  Delphinium variegatum Carl B. Wolf 1937-5-12 8612 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  CAS-BOT-BC82864  Dendromecon rigida Belle R. Jackson 1932-6-1 s.n. Placer Near Gold Run, above Colfax. Comment
  SEINET5339590  Dendromecon rigida B. Condie 1955-5-14 s.n. Placer Found on roadside out of GoldRun Calif. 1372 Comment
  RSA299163  Deschampsia cespitosa J. T. Howell 1974-7-12 s.n. Placer Emigrant Gap 1616 Comment
  UCD43877  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1243 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET10967711  Deschampsia cespitosa Lewis S. Rose 1946-6-23 Rose 46175 Placer Rainbow, n. of Cisco. 1737 Comment
  RSA187451  Deschampsia danthonioides Le Roy Abrams 1935-4-20 13684 Placer Roseville, Sacramento Valley Comment
  UCD96974  Deschampsia danthonioides Chuck Hughes 2010-7-13 237 Placer Within 50 ft of north side of Alpine Meadows Road. 1899 Comment
  CAS-BOT-BC201881  Deschampsia elongata L. S. Smith 1939-7-1 s.n. Placer Ice Lake, route to Soda Springs. Tahoe National Forest Comment
  SACT000947  Deschampsia elongata D. Meyer 1984-7-15 Placer Moist Mountain meadow. 1909.0 Comment
  SD103538  Deschampsia elongata Darley Howe 1978-7-15 5076 Placer Along state highway 20; 29 miles west of Truckee 1646 Comment
  UCR120244  Descurainia incana George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5028 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UC1126525  Dicentra formosa N. French 1934-5-31 385 Placer 0.5 mi e Texas Hill; Tahoe National Forest, Colfax Quad. 1584 Comment
  UCD13326  Dicentra formosa Kristy S. Howard 1989-6-3 200 Placer Highway 174. 609 Comment
  POM97796  Dicentra formosa subsp. formosa Marcus E. Jones 1882-5-28 3302 Placer Emigrant Gap. Comment
  UC855132  Dicentra uniflora Alice Eastwood Jun 15 1912-Jun 19 1912 375 Placer Deer Park; Lake Tahoe Region Comment
  CAS-BOT-BC444011  Dichelostemma capitatum subsp. capitatum George K. Helmkamp; Mary Alice Barnes 2013-4-18 20348 Placer Foothills, northern Sierra Nevada Mountains: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax. 170 Comment
  CHSC24733  Dichelostemma capitatum subsp. capitatum T. C. English 1976-4-11 18 Placer Scattered N. Fork American River 2 mi. W. Hwy 49 bridge, 300 yds. N . Abandoned R. R. 335 Comment
  RSA20900  Dichelostemma capitatum subsp. capitatum Carl B. Wolf 1937-3-30 8363 Placer Sacramento Valley. 2 miles N of Lincoln. 53 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
  SEINET8472352  Dichelostemma capitatum subsp. capitatum R. Adamson, M. Martin 1964-3-21 s.n. Placer Along the American River, ca 4 miles S of Auburn. 457 Comment
  SEINET8472367  Dichelostemma capitatum subsp. capitatum Killinger 1962-3-17 s.n. Placer North Fork American River, 3 miles E of Auburn. 366 Comment
  SCFS5101  Dichelostemma capitatum subsp. pauciflorum F. Felix, Erica Krimmel 2013-5-19 4 Placer North Fork American River, 0.1 mile east of Heath Falls overlook, on trail Comment
  UCR233241  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17691 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  SDSU11640  Dichelostemma multiflorum D. F. Howe 1948-5-20 1899 Placer 457 Comment
  UCR207883  Dichelostemma volubile George K. Helmkamp, E. A. Helmkamp 2009-4-22 14575 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UC196626  Dieteria canescens var. shastensis C. F. Sonne August 1885 Placer Tinker's Knob 2895 Comment
  UC29822  Dieteria canescens var. shastensis W. H. Brewer August 1863 2152 Placer e side Lake Tahoe (near Camp 140); e side of Lake Tahoe Comment
  SBBG115821  Digitaria ischaemum B. Crampton 1965-9-13 7498 Placer Gold Run, Interstate 80 975 Comment
  SEINET192850  Diplacus torreyi Lewis S. Rose 1941-1 41305 Placer Chamber's Lodge (McKinney), Lake Tahoe 1920 Comment
  CAS-BOT-BC151316  Diplacus tricolor Sterling Bunnell 1978-5-14 s.n. Placer Roseville, 1/2 mi. N of Western Electric Plant on Industrial Blvd. 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
  CHSC78088  Dodecatheon alpinum Caleb E. Casey 1999-5-16 Placer Sugar Pine Reservoir, Forest Service road 26, elevation 3900 ft. 1188 Comment
  UCD43336  Dodecatheon alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 704 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44445  Dodecatheon alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1811 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD75774  Dodecatheon alpinum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5248 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
  UC1562607  Dodecatheon hendersonii Barbara Ertter with David Thompson 1989-4-9 8184 Placer ca 4 air mi w Foresthill (Spring Garden Road 0.8 mi ne of Forestville-Auburn Road); w of Foresthill 670 Comment
  JEPS126262  Dodecatheon jeffreyi Steve Matson 2000-7-6 277 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; 600 meters north of Highway 267, east of Martis Creek along east fork of Martis Creek. Comment
  UCD55089  Downingia bicornuta D. B. Marcum 1969-4-26 68 Placer End of Road 5005. 12 Comment
  JEPS14462  Downingia ornatissima var. ornatissima Mrs. Ames 1880-5-9 Placer near Roseville Comment
  JEPS108453  Downingia ornatissima var. ornatissima Lisa Schultheis 1995-5-22 168 -95 Placer MacClelland Air Force Base Lincoln antennae site. N of Sacramento. N of Moore Rd. and W of Dowd Rd. Comment
  JEPS108471  Downingia ornatissima var. ornatissima Lisa Schultheis 1995-4-22 41 -95 Placer Lincoln antennae site, MacClelland AFB. North of Sacramento, north of Moore Rd., west of Dowd Rd. Comment
  UCD55133  Downingia pusilla Robert E. Preston 2002-5-3 1788 Placer Ca. 3 mi. SSW of Lincoln; N of Orchard Creek. 35 Comment
  UCD44469  Draba lonchocarpa var. lonchocarpa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1835 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
Read comments
Feb 22 2009
  SCFS1204  Draperia systyla E. Krimmel 2014-6-26 Placer NFAm. Comment
  UCD22270  Drymocallis glandulosa Beth Lowe Corbin 1982-8-3 187 Placer Onion Creek Campground. 1841 Comment
  JEPS127451  Drymocallis glandulosa var. glandulosa Steve Matson 2003-6-22 812 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Pinenut Ave. Comment
  SEINET6689834  Drymocallis glandulosa var. glandulosa K. Thorne, J. Chandler 1987-6-26 5416 Placer CA Hwy 27, 3.2 miles S of Brockway Summit. Comment
  CAS-BOT-BC157892  Drymocallis lactea var. lactea L. S. Smith 1926-6-24 1981 Placer Tahoe National Forest. Ridge between Whiskey Cr. & Picayune 2438 Comment
  SEINET6691916  Drymocallis lactea var. lactea P. Lehenbauer 1932-6-26 s.n. Placer At origin of Truckee River, south side of Tahoe City Comment
  SEINET9315648  Dudleya cymosa Unknown 2009-5-7 14610 A Placer Sierra Nevada Mountains Foothills Comment
  UC570063  Dudleya cymosa G. T. Nordstrom 1934-6-18 107 Placer n slope Texas Hill; Colfax Quadrangle 1584 Comment
  SD257951  Dudleya cymosa Russel Hopper 1975-5-24 54 Placer 1.0 mile east of junction of State Highways 49 and 195 on Highway 49. 669 Comment
  SD95158  Dudleya cymosa Jeannette V. Taylor 1974-5-23 48 Placer 8.7 miles west of Placer County Big Tree Grove. 609 Comment
  UCR208541  Dudleya cymosa subsp. cymosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14610 A Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  UCR241763  Dysphania botrys George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19798 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
  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
  CDA19074  Eichhornia crassipes R. Simon 2001-4-13 PDR 062708 Placer Junction of Fowler Rd. and Hwy 193, Newcastle. 0 Comment
  CHSC73476  Eleocharis bella L. P. Janeway; Eric Schroder 1998-9-16 6329 Placer Lake Tahoe Basin. Small meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  CHSC82701  Eleocharis bella Lowell Ahart 2002-7-22 9909 Placer On the south side of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  CAS-BOT-BC203870  Elymus X hansenii A. A. Beetle 1941-5-25 2688 Placer 10 miles west of Colfax 762 Comment
  UCD36123  Elymus X hansenii Beecher Crampton 1952-11-9 928 Placer Placer County, 6 miles east of Auburn, 1 mile south of Meadow Vista. 457 Comment
  SEINET12737908  Elymus elymoides S. B. Doten 1901-6-15 46 Placer Near Last Chance. Comment
  UCD61513  Elymus elymoides L. M. Sparks 1912-8-1 17 Placer Lake Tahoe. 1920 Comment
  UC1132964  Elymus elymoides subsp. elymoides N. French 1934-6-21 430 Placer Kid Lake Tahoe National Forest, Truckee Quadrangle (nw end) 2011 Comment
  POM264449  Elymus glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  SACT001079  Elymus glaucus D. Meyer 1983-10-22 Placer Searchlight ski run, from base up to Olympic Lady chairlif, downhill ski area. 2121.0 Comment
  SACT001081  Elymus glaucus D. Meyer 1983-7-16 Placer 1212.0 Comment
  SACT001116  Elymus glaucus Michael Baad 1976-8-4 Placer Collected on the banks amoung rocks and in gravel beside creek. White fir forest with openings. 1975.0 Comment
  CDA18047  Elymus glaucus K. Connelly 1999-8-2 PDR 1223708 Placer Along side of Rd. 9 off of Hwy 89, Truckee. 0 Comment
  CHSC74338  Elymus glaucus subsp. glaucus Susi Urie; Eric Schroder 1998-9-8 98 -287 Placer Lake Tahoe Basin-National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCD21597  Elymus glaucus subsp. glaucus E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1261 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
  UCD43896  Elymus glaucus subsp. glaucus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1262 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD36715  Elymus multisetus Beecher Crampton 1955-7-13 3004 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  SACT001149  Elymus sierrae James Grove 1977-7-15 Placer 2000.0 Comment
  CAS-BOT-BC204398  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1943-7-19 18578 A Placer Summit Valley Comment
  CHSC73268  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1998-8-6 5964 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCD96751  Enemion occidentale Ted Niehaus 1959-4-19 79 Placer 12 miles northwest of Foresthill on Shirttail Road to Colfax. Comment
  UCR190657  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2007-5-23 12079 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  UCR200879  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2008-9-15 14097 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  CAS-BOT-BC171702  Epilobium canum subsp. latifolium Lowell Ahart 1966-8-12 s.n. Placer Near French Meadows, Sierra Nevada 1676 Comment
  UC874274  Epilobium canum subsp. latifolium A. A. Heller 1917-8-13 12899 Placer base of a cliff n Summit hotel 2164 Comment
  UCD75766  Epilobium ciliatum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5237 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
  CHSC74238  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-9-3 98 222 B Placer Lake Tahoe Basin--National Forest. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  SEINET12867343  Epilobium ciliatum subsp. ciliatum P. A. Lehenbauer 1933-8-6 2449 Placer Lake Tahoe near Homewood Comment
  JEPS127508  Epilobium glaberrimum subsp. fastigiatum Steve Matson 2002-8-4 663 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south side of Highway 267, south of Martis Creek, southern limit of Wildlife Area close to fence line. Comment
  CHSC74227  Epilobium hallianum Susi Urie 1998-8-29 98 -150 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74851  Epilobium hallianum Susi Urie; Eric Schroder 1998-9-10 98 -320 Placer Lake Tahoe Basin--National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  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
  CDA19541  Epilobium minutum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 213 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
  UC108000  Epilobium obcordatum C. F. Sonne 1894-9-2 Placer high Mt. s Summit St. C.P.R.R.; Sierra Nevada Mountains 2590 Comment
  UCD22090  Epilobium obcordatum Rex Palmer 1979-7-25 N 678 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS127411  Epilobium oregonense Steve Matson 2002-7-2 550 Placer Tahoe North Shore, Snow Creek Watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek. Comment
  CAS-BOT-BC57985  Equisetum John H. Thomas; Hazelle A. Thomas 1956-7-21 6205 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 mi. ne. of Sacramento. 2377 Comment
  CAS-BOT-BC56952  Equisetum arvense Geo. B. Grant 1906-7-15 6981 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  UCD169281  Eragrostis Lowell Ahart 2007-11-13 14599 Placer At the north edge of the town of Sheridan. On the west side of Camp Far West Road, east side of a shallow ditch. 35 Comment
  UCD33393  Eragrostis pectinacea Beecher Crampton 1967-7-26 8162 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80, junction of Meadow Vista Road. 487 Comment
  CAS-BOT-BC174097  Eremogone aculeata John Thomas Howell 1943-7-21 18675 Placer Mt. Lincoln Comment
  CAS-BOT-BC174096  Eremogone aculeata Betty J. Jorgensen 1944-7-2 511 Placer Along summit near Donner Pass Comment
  CAS-BOT-BC481928  Eremogone congesta var. congesta Clare B. Hardham 1978-8-11 21767 Placer SE of Thompson Peak Comment
  UCD75749  Eremogone kingii var. glabrescens Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5215 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2270 Comment
  UC2046012  Ericameria bloomeri Stephen W. Edwards with Katie Colbert 2015-8-7 s.n. Placer Monumental Ridge. Comment
  UC669305  Ericameria bloomeri Annie M. Alexander and Louise Kellogg 1941-10-3 2643 Placer Truckee River 1828 Comment
  UCD131329  Ericameria bloomeri L. M. Sparks 1912-8-1 51 Placer Lake Tahoe. Comment
  CAS-BOT-BC294275  Ericameria nauseosa var. speciosa Lewis S. Rose 1938-9-14 38258 Placer South Fork of Yuba River, Cisco 1615 Comment
  SD234803  Ericameria nauseosa var. speciosa G. K. Helmkamp, E. A. Helmkamp 2008-8-20 14029 Placer Northern Sierra Nevada Mountains: Donner Pass Road on the west side of Donner Pass and east of Norden (Norden 7.5'Q) 2149 Comment
  UC73886  Ericameria nauseosa var. speciosa A. M. Carpenter 1893-8 Placer Comment
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Dec 11 2014
  CAS-BOT-BC293592  Erigeron barbellulatus John Thomas Howell 1943-7-21 18666 Placer Mt. Lincoln Comment
  JEPS86494  Erigeron barbellulatus L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6577 Placer Sherman Chickering's Soda Springs holdings, ca 5 mi se of Donner Lake Soda Springs (promontory ca 1.5 mi se of Soda Springs Chickering houses) 2377 Comment
  UC197373  Erigeron barbellulatus C. F. Sonne 1888-7-29 Placer near Lake Tahoe; Sierra Nevada Mountains, Wards Peak 2590 Comment
  UC895640  Erigeron breweri var. breweri Miss M. E. Parsons 1910-8-1 Placer Sunnyside Lake Tahoe, Sunnyside Comment
  UCD43895  Erigeron coulteri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1261 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD75701  Erigeron coulteri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5150 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
  UC398626  Erigeron coulteri A. A. Heller 1927-8-16 14454 Placer along streams at Donner Pass (Summit) 2133 Comment
  RSA0049719  Erigeron divergens Dean Wm. Taylor 2013-8-7 21395 Placer Coldstream Valley, just above Horseshoe Bend on the railroad mainline 1889 Comment
  UCD21595  Erigeron glacialis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1258 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, descending ridge. 2200 Comment
  CAS-BOT-BC300822  Erigeron glacialis var. glacialis C. F. Sonne 1884-8-24 151 Placer Sierra Nevada Mts. Canyon above Coldstream Comment
  SJSU6632  Erigeron glacialis var. glacialis H. T. Harvey 1958-8-19 Placer Sugar Bowl about 3 mi S of Donner Summit 2164 Comment
  CAS-BOT-BC295206  Erigeron inornatus A. A. Heller 1919-7-25 13289 Placer Near the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC295207  Erigeron inornatus John Thomas Howell 1943-7-25 18811 Placer West side of Donner Pass near Norden 2133 Comment
  CDA12431  Erigeron inornatus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8503 Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CAS-BOT-BC295210  Erigeron inornatus Catherine Best 1981-8-2 s.n. Placer Above French Meadows Reservoir Comment
  JEPS15643  Erigeron inornatus var. inornatus Rimo Bacigalupi with Aldo Bacigalupi 1952-8-15 3921 Placer along U.S. Highway No. 40, 3 mi e Emigrant Gap 1676 Comment
  CDA15677  Erigeron peregrinus G. F. Hrusa, J. Glazner 1999-7-18 15227 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UCR250079  Eriodictyon californicum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20500 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
  UCD161588  Eriodictyon lobbii Jack Major 1969-11-28 s.n. Placer West of Chambers Lodge at Lake Tahoe. (Exact location unknown. Coordinates estimated by label maker.) 1920 Comment
  SCFS1162  Eriogonum E. Krimmel, F. Felix 2013-7-26 Placer NFAm. Off Foresthill Road. 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
  JEPS126271  Eriogonum incanum Steve Matson 2004-7-31 1082 Placer nSNH; Tahoe Basin; west shore, Blackwood Canyon; about 1.4 miles ESE of Barker Pass. Comment
  UC480709  Eriogonum incanum W. C. Blasdale 1923-7-13 Placer top of Ellis Peak Lake Tahoe Region, Ellis Peak Comment
  UCD149394  Eriogonum lobbii G. Ledyard Stebbins 1976-7-3 7672 Placer Big Crater. (Exact location unknown. Coordinates estimated by label maker.) 1280 Comment
  SD243180  Eriogonum lobbii var. lobbii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16668 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  UC634591  Eriogonum luteolum var. pedunculatum H. L. Mason 1929-10-4 5454 Placer 2.4 mi below Weimar Comment
  UC912848  Eriogonum luteolum var. pedunculatum Marcus E. Jones, A. M. 1882-7-3 2840 Placer Colfax Comment
  CAS-BOT-BC263698  Eriogonum luteolum var. pedunculatum John Thomas Howell 1929-10-4 4430 Placer 2.4 miles below Weimar on road to Colfax 609 Comment
  CDA22618  Eriogonum marifolium Jim Jokerst 1986-7-13 2717 A Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, stop along trail south of Middle Fork American River. Comment
  CAS-BOT-BC263287  Eriogonum marifolium var. marifolium John Thomas Howell 1943-7-21 18649 Placer Donner Pass to Mt. Lincoln Comment
  CAS-BOT-BC263290  Eriogonum marifolium var. marifolium Alice Eastwood 1909-1-1 258 Placer Lake Tahoe Region. Deer Park Comment
  CAS-BOT-BC263293  Eriogonum marifolium var. marifolium James L. Reveal 1971-6-24 2479 Placer Truckee, between the High School and the baseball diamonds Comment
  CAS-BOT-BC264811  Eriogonum nudum var. deductum Marcus E. Jones 1882-6-29 3469 Placer Emigrant Gap Comment
  UCR233385  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2011-8-26 18163 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  UCR207114  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2009-7-16 15218 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
  SD50757  Eriogonum nudum var. pubiflorum Darley F. Howe 1959-8-1 2769 Placer 2 miles north of Auburn 456 Comment
  CAS-BOT-BC266843  Eriogonum ovalifolium var. nivale L. S. Smith 1928-7-18 2479 Placer Ward Peak among rocks, top ridge, Tahoe Forest 2438 Comment
  CAS-BOT-BC266844  Eriogonum ovalifolium var. nivale C. F. Sonne 1885-8-23 405 Placer Tinker Knob 2743 Comment
  JEPS74203  Eriogonum ovalifolium var. nivale Gladys L. Smith 1972-6-20 3201 Placer plateau about terminus of Summit chairlift, Ward Peak Ward Peak 2621 Comment
  CAS-BOT-BC269936  Eriogonum spergulinum var. reddingianum Betty J. Jorgensen 1944-7-2 514 Placer Along summit near Donner Pass Comment
  UCR136715  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Sierra Nevada Mtns., Chambers Lodge (McKinney), Lake Tahoe 1921 Comment
  POM308707  Eriogonum spergulinum var. reddingianum Betty J. Jorgensen 1944-7-2 514 Placer Along summit near Donner Pass. Comment
  SEINET5331602  Eriogonum spergulinum var. reddingianum J. L. Reveal 1971-6-23 2478 Placer Along Californias Highway 89, about 2 miles south of Truckee at Granite Flat Camp Ground. Comment
  RSA0028930  Eriogonum umbellatum John F. Emmel 1997-7-25 1512 Placer Sierra Nevada, Donner Pass region; along Pacific Crest Trail south of Donner Pass, ca. 0.5 air mile SE of SE end of Lake Mary. 2287 Comment
  CAS-BOT-BC265156  Eriogonum umbellatum var. nevadense A. Roberts 1898-8-1 s.n. Placer Summit Soda Springs, Donner Cr. Comment
  CAS-BOT-BC265157  Eriogonum umbellatum var. nevadense Charlotte Pyle 1978-8-9 s.n. Placer Silver Peak about 1.5 miles NW of Squaw Valley 2438 Comment
  UC6478  Eriogonum umbellatum var. torreyanum C. F. Sonne Sept. 1885 Placer bank of Squaw Creek on Rd to Tahoe; Squaw Creek Comment
  UCD101502  Eriogonum umbellatum var. torreyanum Tamara Kan 1992-8-1 s.n. Placer on Mt. Disney, just inside boundary of Onion Creek Experimental Forest, at top of south east facing drainage. 2377 Comment
  UCD101506  Eriogonum umbellatum var. torreyanum Tamara Kan 1992-8-1 s.n. Placer on Mt. Disney, just inside boundary of Onion Creek Experimental Forest, at top of south-east facing drainage. 2377 Comment
  CAS-BOT-BC262230  Eriogonum ursinum Alice Eastwood 1909-1-1 298 Placer Lake Tahoe Region, Deer Park 1889 Comment
  CAS-BOT-BC262233  Eriogonum ursinum Marcus E. Jones 1882-6-1 s.n. Placer Emigrant Gap Comment
  POM105127  Eriogonum ursinum Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  UC128135  Eriogonum ursinum Miss Harriet A. Walker 1908-7-26 1432 Placer Cisco 1810 Comment
  CHSC67687  Eriogonum ursinum var. ursinum James D. Jokerst 1986-7-13 2713 Placer Trail from The Cedars, SW of Donner Lake, stop along trail S of Middle Fork American River. 1859 Comment
  UC1029588  Eriogonum wrightii var. subscaposum Lewis S. Rose 1938-9-14 38260 Placer South Fork of Yuba River, Cisco 1615 Comment
  UCD101553  Eriogonum wrightii var. subscaposum Tamara Kan 1992-7-20 s.n. Placer east slope of Silver Peak in open habitat. 2316 Comment
  UCD21938  Eriogonum wrightii var. subscaposum Beth Lowe Corbin 1982-8-9 282 Placer 1/2 mile SW of Onion Creek campground. Open, shale, rocky slope. Low shurb. Unopened flowers reddish pink. Full sun. South facing slope, 20% incline. Locally abundant. 1828 Comment
  UCR201908  Eriogonum wrightii var. subscaposum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14023 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  CAS-BOT-BC268484  Eriogonum wrightii var. wrightii L. S. Smith 1925-9-13 1733 Placer Tahoe National Forest. Deer Park 1950 Comment
  CAS-BOT-BC308081  Eriophyllum lanatum var. achilleoides Clarence R. Quick 1962-5-24 62 .7 Placer Institute of Forest Genetics 2-3 miles northeast of Placerville, Sierra Nevada Comment
  CAS-BOT-BC301412  Eriophyllum lanatum var. grandiflorum A. A. Heller 1917-6-19 12745 Placer 4 miles east of Colfax 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
  UCR229535  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17858 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
  JEPS34497  Eriophyllum lanatum var. integrifolium L. S. Smith 1928-7-7 2470 Placer road to Robertson Flat above Forest H; Tahoe National Forest 1219 Comment
  UC128207  Eriophyllum lanatum var. integrifolium Miss Harriet A. Walker 1908-7-26 1450 Placer Cisco; near type locality of Bahia cuneata 1810 Comment
  CHSC96499  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
  UCD103238  Erodium cicutarium Terri Williamson 1990-4-15 7 Placer 22587 Sunset Ridge Dr. Lake of the Pines. 365 Comment
  CHSC84565  Eryngium castrense John Dittes 2003-5-25 2003 -30 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In bed of vernal pool. 39 Comment
  UC764564  Eryngium vaseyi R. F. Hoover 1938-7-30 3710 Placer 4 mi. e. Loomis Comment
  SCFS1213  Erysimum E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Comment
  UCD22371  Erysimum capitatum Rex Palmer 1979-7-12 N 603 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC55095  Erysimum perenne D. E. Breedlove 1962-6-13 3540 Placer Sierra Nevada. On steep bank of Truckee River, 7.0 miles south of Truckee. 1828 Comment
  SEINET14196929  Erythranthe breweri H. M. Hall 1910-6-22 165 Placer Cisco. 1800 Comment
  CHSC74128  Erythranthe corallina Susie Urie 1998-8-13 98 -041 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CAS-BOT-BC438819  Erythranthe guttata George K. Helmkamp; Mary Alice Barnes 2013-4-18 20377 Placer Northern Sierra Nevada Mtns Foothills: Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax. 544 Comment
  SCFS1218  Erythranthe moschata E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top of meadow. Comment
  SJSU7720  Erythranthe primuloides R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  CAS-BOT-BC505236  Erythronium grandiflorum Elizabeth McClintock; Wayne Roderick 1968-5-17 s. n. Placer Cisco Grove, northern Placer County Comment
  CAS-BOT-BC505237  Erythronium grandiflorum A. A. Heller 1917-6-17 12685 Placer Granite rocks near the Yuba river below Cisco 1676 Comment
  UC843846  Erythronium multiscapideum C. L. Hitchcock 1940-5-7 6310 Placer ca 1 mi w Baxter Comment
  UCD67985  Erythronium purpurascens Linda A. Bell 1975-5-24 181 Placer Mosquito Ridge Road, 25.1 miles East of junction with Auburn-Foresthill Road, in Placer Big Trees Park. 1584 Comment
  UCR218127  Eschscholzia caespitosa George K. Helmkamp, E. A. Helmkamp 2010-6-26 16402 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCR238588  Eschscholzia caespitosa George K. Helmkamp, E. A. Helmkamp 2012-3-31 18663 Placer Sacramento Valley, along CA-193, 0.3 mile northwest of its junction with Gold Hill Road 131 Comment
  OBI54932  Eschscholzia caespitosa Kathleen Faustini 1980-5-25 45 Placer Forest Hill Rd 5 mi S of Auburn Comment
  CAS-BOT-BC403345  Eschscholzia californica Larry Doughty 1961-3-18 s.n. Placer North Fork of the American River, 5 mi. south of Auburn-Hy. 49 396 Comment
  UCD68706  Eschscholzia californica Heidi Haugen 1984-4-15 7 Placer Folsom, California, in meadows near lake. Found in fields, in a grass plant association with some trees, dominated by grasses, poppies, and fiddlenecks, on dry, clay-sandy soil, with direct sunlight, very abundant in area. Leaves, lacey; Flowers, double rimmed peduncle, orange (golden). 22 Comment
  CAS-BOT-BC419538  Eschscholzia lobbii M. S. Baker 1900-2-12 s.n. Placer Near Auburn Comment
  CAS-BOT-BC310376  Eucephalus breweri J. F. Emmel 1968-7-25 101 Placer North slope of Donner Peak 2286 Comment
  CAS-BOT-BC310377  Eucephalus breweri John Thomas Howell 1943-7-21 18656 Placer Donner Pass to Mt. Lincoln Comment
  UC894600  Eucephalus breweri A. A. Heller 1916-8-13 12908 Placer Summit Hotel 2133 Comment
  UC869049  Euphorbia crenulata C. L. Hitchcock 1940-5-7 6307 Placer ca 1 mi w Baxter Comment
Read comments
Jan 19 2008
  CHSC114304  Euphorbia epithymoides J. Honeycut 2010-6-25 Placer Tahoma; Hwy 89 right-of-way Comment
  UCR257773  Euphorbia nutans George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20036 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  CDA38633  Euphorbia oblongata Clayton Seado 2012-8-3 PDR# 1611237 Placer Auburn; Edgewood Road and Ali Lane. 0 Comment
  SEINET12142206  Euphorbia serpillifolia L. S. Rose 1938-1 38265 Placer South Fork of Yuba River, 3 mi E of Cisco 1737 Comment
  CAS-BOT-BC312157  Eurybia integrifolia A. A. Heller 1917-8-13 12906 Placer Near Summit hotel in granite 2133 Comment
  UC128136  Eurybia integrifolia Miss Harriet A. Walker 1908-7-26 1438 Placer Cisco 1810 Comment
  UC193318  Eurybia radulina C. F. Sonne 1883-9-16 Placer Woods along Truckee River Truckee River Comment
  CAS-BOT-BC459216  Euthamia occidentalis G. P. Rixford 1913-9-2 3167 Placer Loomis Comment
  CAS-BOT-BC413873  Fallopia convolvulus John Thomas Howell; Gordon H. True 1968-6-9 44503 Placer Near Auburn 457 Comment
  CDA15671  Festuca idahoensis G. F. Hrusa, J. Glazner 1999-7-18 15218 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-BC278792  Festuca occidentalis Saichi Kawahara 1969-5-25 889 Placer North of old cabin, Mel Anderson Ranch, Indian Creek 999 Comment
  SACT001168  Festuca occidentalis Michael Baad 1976-6-17 Placer Flood plain from Wildcat Canyon west to New York Canyon. Comment
  UC1131989  Festuca occidentalis G. T. Nordstrom 1934-6-21 139 Placer 0.6 mi w Mammoth Sprigns; Tahoe National Forest, Colfax Quad. 1767 Comment
  UCR250073  Festuca perennis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20505 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
  UCR258231  Festuca perennis George K. Helmkamp, Amy Barnes 2013-3-28 20235 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  CDA13703  Festuca rubra var. commutata G. F. Hrusa, J. Glazner 1997-8-3 14063 a Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Occasional bunchgrass about dry meadows. Comment
  CAS-BOT-BC282535  Festuca thurberi W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  SACT001209  Festuca viridula Michael Baad 1983-8-27 Placer One mile west toward Cherry point. 2133.0 Comment
  POM260104  Fragaria californica C. Leo Hitchcock 1940-5-7 6318 Placer 1 mile west of Baxter. Comment
  UCSB24088  Fragaria virginiana Orr, K. 1966-4-5 Placer 2.2 miles northeast of interstate 80 on Goldrun Rd. 1219 Comment
  UCD33680  Frangula californica Beecher Crampton 1971-10-5 8759 Placer Placer County, Baxter, 2 miles east of Interstate Hwy. 80. 1402 Comment
  CAS-BOT-BC53549  Frangula californica subsp. tomentella David D. Keck 1933-5-31 2430 Placer Just south of Auburn on road to Roseville 304 Comment
  SEINET11243895  Frangula californica subsp. tomentella W. D. Billings 1939-3-19 1191 Placer Roadside 2 miles north of Auburn. Comment
  SEINET11248091  Frangula purshiana W. D. Billings 1940-5-18 1306 Placer North of Placer mines. Gold run. Comment
  SD10091  Frangula rubra Brandegee Sept 1888 Placer Alta Comment
  CAS-BOT-BC55701  Frangula rubra subsp. obtusissima A. A. Heller 1917-6-19 12736 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC55702  Frangula rubra subsp. obtusissima A. A. Heller 1917-6-19 12736 Placer Emigrant Gap 1615 Comment
  OBI6090  Frangula rubra subsp. obtusissima Carl B. Wolf 1930-10-11 1732 Placer W slope Sierra Nevada. Baxter's camp, 17 mi above Colfax 1158 Comment
  UCD23225  Fritillaria atropurpurea Rex Palmer 1979-6-9 N 132 Placer Headwaters basin area of the North Fork of the American River. Mt. Lincoln. Comment
  CAS-BOT-BC504552  Fritillaria atropurpurea Alice Eastwood 1909-1-1 s.n. Placer Sunnyside, Lake Tahoe region Comment
  SCFS11529118  Galium F. Felix, E. Krimmel 2012-7-27 Placer NFAm. Stop #1, Swimming Hole Trail Comment
  JEPS127517  Galium aparine Steve Matson 1998-7-28 366 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork of Snow Creek, north end of main boggy site. Comment
  UC147570  Galium aparine Harriet A. Walker 1908-6-23 1220 Placer Blue Canyon 1432 Comment
  UCD22290  Galium aparine Rex Palmer 1979-7-12 N 630 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD42915  Galium bifolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 283 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SD81249  Galium bolanderi Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  UCD148666  Galium grayanum G. Ledyard Stebbins 1968-8-15 C 6858 Placer Devil's Peak, southeast of Soda Springs. 2286 Comment
  SEINET12285646  Galium multiflorum C. F. Sonne 1885-1 s.n. Placer mts. above Coldstrain Comment
  CDA36878  Galium murale CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UCD160266  Galium parisiense Chuck Hughes 2014-5-28 402 Placer Between Highway 49 and Canal Street in North Auburn. 439 Comment
  UCR190846  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2007-5-23 12064 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  UCR193340  Galium porrigens var. tenue George K. Helmkamp, E. A. Helmkamp 2007-5-30 12178 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  UCSB45738  Galium tricornutum Reisentz, Paul 1979-5-11 Placer Vernal pools; 1 mile south of Sheridan on Highway 65 Comment
  SBBG7322  Galium trifidum E. R. Blakley 1960-9-3 3815 Placer King's Beach, Lake Tahoe 1903 Comment
  UCD75773  Galium trifidum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5246 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
  CHSC74261  Galium trifidum var. pacificum Susi Urie 1998-9-4 98 -270 Placer About 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  OBI58654  Gamochaeta coarctata David J. Keil, with Kathleen A. Keil 1999-7-17 28376 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  UCD117439  Gaultheria ovatifolia P. W. Rundel 1967-9-6 2652 Placer American River Grove of Sierra redwoods; Tahoe National Forest, ca. 20 miles NE of Foresthill; Greek Store. 7 1/2 min. Comment
  CAS-BOT-BC478500  Gayophytum John H. and Hazelle A. Thomas 1956-7-21 6162 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  RSA750433  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14013 Placer Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  CHSC73057  Gayophytum heterozygum L. P. Janeway 1998-8-6 5987 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  RSA39938  Gayophytum heterozygum J. T. Howell 1943-7-25 18807 Placer West side of Donner Pass near Norden 2134 Comment
  UCR257633  Gayophytum heterozygum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19531 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  UCD21988  Gayophytum humile Rex Palmer 1979-6-8 N 126 Placer Headwaters basin area of the North Fork of the American River Comment
  UC107804  Gayophytum humile C. F. Sonne 1886-6-11 Placer Tahoe; on road to Hot Springs Comment
  SEINET12281672  Gentiana calycosa C. F. Sonne 1885-1 s.n. Placer Canon above Coldstran(??) Comment
  SEINET8588377  Gentianopsis simplex P. A. Lehenbauer 1929-8-15 2603 Placer Watson Lake, 4 miles N of Tahoe City. Comment
  UC35441  Gentianopsis simplex C. F. Sonne 1885-8-9 Placer meadows along Truckee R. Truckee R. Comment
  SEINET4560742  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-1 17258 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-BC248301  Geranium molle George K. Helmkamp; E. A. Helmkamp 2011-4-10 17135 Placer Sacramento Valley: east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  CDA37234  Geranium molle CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR231823  Geranium molle George K. Helmkamp, E. A. Helmkamp 2011-4-10 17135 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  UCD42916  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 284 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 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
  CHSC83145  Gilia capitata Renee Shahrok 1986-6-24 16 Placer Junction of Old Foresthill Rd. and Hwy 49. 195 Comment
  UCSC000605  Gilia capitata N. French 1934-5-31 383 Placer Mamouth Springs. Colfax. 1646 Comment
  SEINET11261544  Gilia capitata subsp. mediomontana George Helmkamp, Elizabeth Helmkamp 2013-6-11 20828 Placer Northern Sierra Nevada Mountains Foothills at the junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill.; 0 463 Comment
  SEINET3860402  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2010-6-26 16408 Placer Sierra Nevada Mountains Foothills: Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE of Applegate.; 0 476 Comment
  SEINET7963111 Image available Gilia leptalea Lewis S. Rose 1941-1 41319 Placer Chambers Lodge (McKinney), Lake Tahoe 1920 Comment
  UCR120501  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5036 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CHSC91619  Githopsis specularioides M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 255 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. On slopes above road. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  POM260452  Githopsis specularioides C. L. Hitchcock 1940-5-14 6381 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  CDA13797  Glyceria elata G. F. Hrusa, J. Glazner 1997-8-3 14046 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Wet opening on hillside spring among thicket of Alnus incana and Rhamnus alnifolia. Small colony. Difficult to separate from G. elata except smaller in all parts. Comment
  CHSC84566  Glyceria occidentalis John Dittes 2003-5-25 2003 -26 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
  SACT001276  Glyceria striata Michael Baad 1983-7-10 Placer 6.1 miles south of townsite, open wet meadow. 1524.0 Comment
  RSA757090  Gnaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2009-7-16 15199 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  UC579545  Gnaphalium palustre B. Bolt 1934-7-22 161 Placer 3 mi n Michigan Bluff (Chicken Hawk Camp); Tahoe National Forest, Colfax Quad. 1280 Comment
  CAS-BOT-BC307369  Gnaphalium palustre Emily K. Mcpherson 1976-9-19 76- 27 -7 Placer Middle Fork of the American River, Sierra Nevada 1828 Comment
  RSA122379  Gnaphalium palustre B. Bolt 1934-7-22 161 Placer Chicken Hawk Camp. 1280 Comment
  UCD150743  Goodyera oblongifolia James A. Neilson Jr. Date Unknown 2081 Placer Tahoe Basin, Timberland. 1901 Comment
  CDA39513  Goodyera oblongifolia G. D. Barbe 1975-9-18 2068 Placer Emigrant Gap Road, 0.3 mile west of I-80 off-ramp. Comment
  RSA739694  Gratiola ebracteata John Dittes 2003-5-25 2003 -24 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 40 Comment
  UCD132554  Grindelia camporum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11209 Placer Northern Sierra Nevada Mountain. Along Forest Hill Road, 1.0 mile north of Forest Hill. 1037 Comment
  SEINET3891769  Habenaria leucostachys Bonnie C. Templeton 1931-1 Placer Comment
  SEINET7725991  Habenaria sparsiflora Unknown 1888-1 Placer Comment
  UCD22140  Hackelia micrantha Rex Palmer 1979-7-12 N 656 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR246829  Hackelia micrantha George K. Helmkamp, E. A. Helmkamp 2010-7-28 16654 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  SEINET12618563  Hackelia nervosa I. R. Miller 1934-5-20 s.n. Placer Lake Tahoe, near Homewood. Comment
  UC480745  Hackelia nervosa W. C. Blasdale 1923-7-13 Placer top of Ellis Peak; Lake Tahoe Region Comment
  SEINET11849111  Haplopappus acaulis C. F. Sonne 1885-1 s.n. Placer Tinkers Knob, Sierra Nevada Mts 2743 Comment
  UC88873  Helianthella californica subsp. nevadensis C. F. Sonne 1897-8-14 Placer above Coldstream Comment
  CAS-BOT-BC314975  Hemizonella minima Harriet A. Walker 1910-6-1 2036 Placer Deer Park, Lake Tahoe District Comment
  UC173103  Hemizonella minima Katharine Brandegee July 1908 Placer between Gold Run and Cape Horn (Magra) Comment
  UC124517  Hesperochiron californicus A. Kellogg Placer Cisco Comment
  JEPS71649  Hesperochiron californicus Gladys L. Smith and Betsy and Norman Wilson 1972-5-13 3267 Placer Alpine Meadows 2072 Comment
  CAS-BOT-BC123627  Hesperochiron latifolius Albert Kellogg s.n. Placer Cisco Comment
  CHSC47514  Hesperocnide tenella Lowell Ahart 1975-4-7 Placer Around very large granite rocks, about 1/2 mile north-east of the intersection of Wise Road and McCortney Road, north-east of Lincoln. 42 Comment
  UCD36662  Hesperolinon micranthum Beecher Crampton 1955-6-15 2894 Placer Placer County, Shirttail Canyon, 6.5 miles west of Iowa Hill. Comment
  UCD85291  Hesperostipa comata Frederica Bowcutt 1994-7-22 1954 Placer Sierra Nevada Mtns., Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp. Proposed restaurant site. 2438 Comment
  SFV18651  Heterocodon rariflorum J. D. Dilley 2002-7-3 466 Placer Sierra Nevada Onion Valley south of Emigrant Gap. Mudflat by stream in an area burned one year ago (Gap Fire 2001). 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
  CDA11996  Heuchera micrantha G. F. Hrusa 1995-5-2 12177 Placer Sierra Nevada; Above North Fork of Middle Fork of the American River, approx. 3 km. east of Mosquito Ridge Rd. crossing . Comment
  SEINET8061131 Image available Heuchera micrantha var. erubescens Bif Soper 1983-5-28 15 Placer 13.5 miles from Foresthill on Mosquito Ridge Road. 1067 Comment
  UCD40878  Heuchera micrantha var. erubescens Bif Soper 1983-5-28 15 Placer 13.5 miles from Forest Hill on Mosquito Ridge Road. 1066 Comment
  SEINET6031230  Heuchera micrantha var. erubescens C. Aarstad, Hugh Mozingo 1979-4-1 s.n. Placer Eldorado Creek near Jct. w/No. fork of middle fork of American River, Mosquito Ridge Rd. to French Meadows 518 Comment
  CAS-BOT-BC319602  Hieracium albiflorum John H. Thomas; Hazelle A. Thomas 1956-7-21 6204 Placer Vicinity of Donner Pass about 80 iles northeast of Sacramento, Sierra Nevada 2377 Comment
  SBBG66312  Hieracium albiflorum M. N. Ackley -Jun-1925 153 Placer Gold Run 983 Comment
  UCR232623  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16635 Placer Northern Sierra Nevada Mountains, Forest Route 10 (Sugar Pine Rd.), 0.8 mile north of its junction with Forest Hill Road, 8.2 miles NE (34 deg. ) of Foresthill 1311 Comment
  CAS-BOT-BC319596  Hieracium albiflorum L. S. Smith 1926-5-23 1827 A Placer Forest Hill Road south of American River, Tahoe Forest 548 Comment
  CAS-BOT-BC319597  Hieracium albiflorum Leland S. Smith 1926-5-23 s.n. Placer Forest Hill, Tahoe Forest Reserve Comment
  SEINET11259328 Image available Hieracium horridum W. D. Billings 1951-8-21 2148 Placer E. side of Granite Chief, Sierra Nevada 2621 Comment
  CAS-BOT-BC312968  Hieracium triste L. S. Smith 1928-7-18 2481 Placer Tahoe National Forest. Ward Peak and down slope 2438 Comment
  UCD83595  Holodiscus discolor Albert Grigarick 2009-8-7 164 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2061 Comment
  CAS-BOT-BC152579  Holodiscus discolor var. discolor A. A. Heller 1917-8-13 12896 Placer Base of a cliff north of Summit Hotel 2164 Comment
  SACT001299  Hordeum brachyantherum D. Meyer 1983-7-30 Placer Both sides of road in moist soil. 2072.64 Comment
  SACT001301  Hordeum brachyantherum D. Meyer 1983-9-10 Placer West end near parking lot moist streambank and meadow. 1879.0 Comment
  SACT001315  Hordeum brachyantherum Michael Baad 1976-7-21 Placer lower southwest-facing slope. 10 miles southeast of Soda Springs. 2377.0 Comment
  UCD85460  Hordeum brachyantherum L. S. Smith 1931-7-24 s.n. Placer Marlette Lake east of Lake Tahoe. 2438 Comment
  UCR218116  Hordeum brachyantherum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16400 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  SACT001340  Hordeum geniculatum D. Meyer 1983-7-3 Placer 1152.0 Comment
  SACT001343  Hordeum hystrix Josephine Van Ess 1976-4-26 Placer Collected near top of first hill. 91.5 Comment
  SACT001364  Hordeum leporinum 1977-4-13 Placer Moist riverside. 67.1 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
  SCFS1124  Horkelia fusca E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. On trail 0.2-m from Cedars. Comment
  RSA122263  Horkelia fusca subsp. parviflora B. Bolt 1934-7-16 114124 Placer 1/2 mile S of Lost Emigrant Mine. 2073 Comment
  RSA169484  Horkelia fusca subsp. parviflora L. S. Rose 1963-7-11 63211 Placer Tahoma, Lake Tahoe. 1916 Comment
  RSA122259  Horkelia fusca subsp. parviflora N. H. French 1934-6-19 423 Placer 1/4 mile W of Devil's Peak. 2104 Comment
  RSA366610  Horkelia fusca subsp. parviflora Fay A. MacFadden 1934-7-26 12689 Placer Foot of Red Mt. near Cisco. Comment
  CAS-BOT-BC537859  Horkelia fusca var. parviflora James R. Shevock 1985-8-9 11339 Placer W'tern slope of N'thern Sierra Nevada: Tahoe Nat'l Forest, Granite Chief Wilderness, along trail 16E10 in Picayune Valley 2050 Comment
  CAS-BOT-BC537861  Horkelia fusca var. parviflora Alice Eastwood 1912-6-15 454 Placer Lake Tahoe region: Deer Park Comment
  RSA451651  Horkelia tridentata Philip A. Munz 1934-8-10 12832 Placer Cisco. Comment
  SEINET6767889  Horkelia tridentata M. J. Williams 1986-6-19 86- 64 -3 Placer Sierra Nevada; S of I-80, near Cisco Grove. 1743 Comment
  UCR191078  Horkelia tridentata subsp. tridentata George K. Helmkamp, E. A. Helmkamp 2007-5-23 12061 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  CAS-BOT-BC206148  Hosackia crassifolia W. R. Dudley 1900-6-29 s.n. Placer South of Tahoe City Comment
  SEINET5327381  Hosackia crassifolia var. crassifolia P. B. Kennedy 1901-8-21 428 Placer Talbot's Home Camp, 7 mi from French Meadow Comment
  UCD36711  Hosackia oblongifolia Beecher Crampton 1955-7-13 2996 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  SD6063  Hosackia oblongifolia var. oblongifolia Unknown Jul 1914 Placer Cisco Comment
  JEPS127470  Hydrophyllum capitatum var. alpinum Steve Matson 1998-6-14 238 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  UC880766  Hydrophyllum capitatum var. alpinum Lewis S. Rose 1940-6-2 40457 Placer 10 mi n Tahoe City; Truckee River 1828 Comment
  CAS-BOT-BC312648  Hymenothrix loomisii T. C. Fuller 1962-9-20 9624 Placer S. side of Hwy 40 freeway to Donner Summit, 4.8 mi. e. of Weimar Comment
  CDA7484  Hymenothrix loomisii T. C. Fuller 1962-9-2 9624 Placer South side of Highway 40 freeway to Donner Summit, 4.8 miles east of Weimar. 0 Comment
  JEPS126289  Hypericum anagalloides Steve Matson 1998-6-21 335 Placer nSNH, Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 1000 meters north of Highway 267, just east and below Martis Dam Road. Comment
  JEPS66788  Hypericum anagalloides W. H. Shockley Jun 1886 Placer Auburn Comment
  SD234895  Hypericum concinnum G. K. Helmkamp, E. A. Helmkamp 2008-8-20 14033 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
  RSA458264  Hypericum perforatum Wm. Martin 1971-9-10 20281 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UCD43030  Hypericum scouleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 399 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET12328855  Ipomopsis aggregata J. H. Nishida 1985-1 768 Placer Homewood, Red Fir Forest 1829 Comment
  POM147882  Ipomopsis aggregata subsp. formosissima J. B. Feudge 1927-7-19 1746 Placer Donner Lake 2134 Comment
  UCR209734  Ipomopsis aggregata subsp. formosissima George K. Helmkamp, E. A. Helmkamp 2009-8-12 15436 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-BC133611  Iris hartwegii C. L. Hitchcock 1940-5-7 6329 Placer Ca. 1 mile west of Baxter Comment
  SBBG58776  Iris hartwegii M. N. Ackley -Jun-1925 416 Placer Dutch Flat 1005 Comment
Read comments
Feb 9 2017
  UC186610  Iris hartwegii C. F. Sonne 1891-4-5 Placer Auburn Comment
  UCR208586  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2009-5-11 14653 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  UCR253572  Iris hartwegii subsp. hartwegii George K. Helmkamp, Amy Barnes 2014-4-23 22798 Placer Sierra Nevada Mountains Foothills, Old Auburn-Foresthill Road, 1.7 miles northeast of its junction with CA-49 at North Fork American River 407 Comment
  RSA136471  Iris macrosiphon Lee W. Lenz, E. K. Balls 1955-5-12 20473 Placer U.S. Highway 40, at Colfax 762 Comment
  UCD38324  Isatis tinctoria Beecher Crampton 1954-5-11 1900 Placer 3 miles north of Auburn. Comment
  POM276864  Isoetes bolanderi Lyman Benson 1947-8-12 12791 Placer Tahoe City, Lake Tahoe. Sierra Nevada mtn range, Truckee River drainage. 1890 Comment
  CDA15985  Isoetes nuttallii G. F. Hrusa, J. Glazner 1999-7-17 15170 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD35426  Iva axillaris Beecher Crampton 1956-7-17 3720 Placer Blue Canyon. 1432 Comment
  RSA655140  Iva axillaris subsp. robustior Beecher Crampton 1956-7-17 3720 Placer Blue Canyon; near railroad. 1433 Comment
  JEPS71902  Ivesia gordonii Gladys L. Smith 1972-8-25 3410 Placer trail to Granite Chief (about the base of Watson Memorial) 2590 Comment
  UC1611561  Ivesia gordonii W. Wisura, T. Hayduk, Q. Junzhuan 1991-8-22 4541 Placer Squaw Valley; beyond upper cable car station Comment
  UC191322  Ivesia shockleyi var. shockleyi C. F. Sonne 1879-8-1 Placer near Summit Tinkers Knob 2895 Comment
  RSA25338  Jensia rammii C. L. Hitchcock 1940-5-14 6394 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
Read comments
Dec 16 2012
  SEINET6173880  Juncus W. D. Billings 1951-7-28 2139 Placer Tallbot Home Camp, Middle Fk. American River 1676 Comment
  CHSC96502  Juncus bufonius var. bufonius Lowell Ahart; Brian Williams 2007-4-13 13657 Placer On damp granite soil, on the bottom and sides of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CDA12383  Juncus chlorocephalus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8511 A Placer Lake Tahoe; on N side of Ward Valley 4 m SW Tahoe City. Comment
  CHSC85723  Juncus chlorocephalus G. F. Hrusa; A. Juncosa, J. Hunter 1991-7-15 8511 a Placer Lake Tahoe Region. Seeps on S-facing slopes on N side of Ward Valley 4 m SW of Tahoe City. [Lat./long. on label is '39 8 N; 120 15 W']. 2300 Comment
  RSA747124  Juncus chlorocephalus George K. Helmkamp, E. A. Helmkamp 2008-8-20 14035 Placer Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  SEINET3877887  Juncus chlorocephalus Ellen Dean, M. Starbuck; G. Harrington; J. Buck; Mark Bibbo; T. Sasaki; J. Poloske 2008-7-19 5133 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail.; 0 2112 Comment
  UC143805  Juncus chlorocephalus A. A. Heller 1903-8-17 7178 Placer above Donner; Donner Pass 2529 Comment
  UCD141444  Juncus chlorocephalus L. S. Smith 1915-1 s.n. Placer Squaw Valley. Comment
  RSA783468  Juncus effusus Peter Rubtzoff 1979-8-31 9419 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass 15 quad). At Serene Lakes Lodge Comment
  CHSC74458  Juncus ensifolius Susi Urie; Eric Schroder 1998-9-9 98 -311 Placer Lake Tahoe Basin--National Forest. On south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UCD141530  Juncus ensifolius G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12647 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  UCD162587  Juncus ensifolius Steve Matson 2003-6-12 846 Placer nSNH; Tahoe Basin; Ward Canyon (west shore), about 2 miles East of Highway 89, near junction of Tahoe Rim Trail and Ward Canyon Road. 1987 Comment
  UCD43326  Juncus nevadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 694 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CDA15943  Juncus occidentalis G. F. Hrusa, J. Glazner 1999-7-17 15151 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC82705  Juncus occidentalis Lowell Ahart 2002-7-22 9911 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
  RSA102051  Juncus oxymeris John H. Redfield 1872-8-7 369 Placer Blue Canyon. Comment
  UC128273  Juncus saximontanus Miss Harriet A. Walker 1393 Placer near Yuba River; Cisco 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
  CDA18019  Juncus tenuis D. Mutani 1999-4-23 PDR 1223633 B Placer Sailor-Ravine Rd., Auburn. 0 Comment
  UCD43385  Juncus triformis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 753 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC67855  Juncus uncialis James D. Jokerst 1986-4-14 2625 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. In vernal pools. Comment
  SEINET5334970  Juniperus occidentalis P. A. Lehenbauer 1937-9-19 s.n. Placer on road to Carnelian Bay, 4 miles from Lake Tahoe Comment
  UCD75756  Juniperus occidentalis var. australis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5224 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  SEINET11056450  Juniperus occidentalis var. occidentalis P. A. Lehenbauer 1937-9-5 s.n. Placer Cisco. Comment
  CAS-BOT-BC58897  Kalmia microphylla subsp. microphylla L. S. Smith 1927-8-11 2203 Placer Squaw Valley - Tahoe N.F. 1889 Comment
  SCFS5072  Keckiella breviflora E. Krimmel, Faerthen Felix 2014-6-26 Placer North Fork American River, Headwaters Basin Comment
  UCR193339  Keckiella breviflora subsp. breviflora George K. Helmkamp, E. A. Helmkamp 2007-5-30 12177 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  CAS-BOT-BC235626  Keckiella breviflora var. breviflora C. L. Hitchcock 1940-5-4 6413 Placer Meier Ranch, ca. 6 mi. north of Colfax 762 Comment
  CAS-BOT-BC235627  Keckiella breviflora var. breviflora David D. Keck 1933-6-1 2432 Placer 2.3 miles southeast of Loomis on back road to Folsom Comment
  SCFS1152  Keckiella lemmonii E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  UC170099  Keckiella lemmonii Miss Helen D. Geis 1912-6 163 Placer Deer Park Comment
  SEINET8730617 Image available Kelloggia galioides L. S. Rose 1941-1 41338 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  UCR123467  Kickxia elatine George K. Helmkamp, E. A. Helmkamp 1999-6-29 5053 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
  RSA0087952  Kopsiopsis strobilacea William Overton 1977-6-4 s.n. Placer Across tracks ca. 100 yards, on Secret Town Road, 0.9 mile from junction with Magra Road (which is northwest of the Magra Road-Secret Town offramp of Interstate 80), between Colfax and Gold Run. Comment
  CAS-BOT-BC340398  Lactuca G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  CAS-BOT-BC341359  Lagophylla glandulosa David D. Keck 1932-7-1 1589 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  POM186841  Lagophylla glandulosa D. D. Keck 1932-6-30 1587 Placer 0.3 miles north of Weimar P. O.; Sierra Nevada. 686 Comment
  UC306180  Lagophylla glandulosa unknown 1894-8-1 Placer Palm Avenue Auburn Comment
  SD50715  Lagophylla ramosissima Darley F. Howe 1959-8-1 Placer 2.0 miles north of Auburn. 455 Comment
  UCD125092  Lamium amplexicaule Allan R. Magie 1957-3-24 112 Placer Auburn. Comment
  HSC82237  Lasthenia californica Thomas W. Nelson 1979-4-10 4582 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  JEPS113111  Lasthenia fremontii Lowell Ahart, Brian Williams 2007-4-13 13631 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
  CAS-BOT-BC355484  Lasthenia glaberrima Sterling Bunnell 1978-5-14 s.n. Placer Roseville, 1/2 mi. N of Western Electric Plant on Industrial Blvd. Comment
  CDA32837  Lathyrus latifolius CDFA Staff Placer Highway 49 south of Auburn. 0 Comment
  POM260125  Lathyrus nevadensis subsp. nevadensis C. L. Hitchcock 1940-5-7 6319 Placer 1 mile west of Baxter. Comment
  UCR235613  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2012-5-5 18914 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  HSC82231  Layia fremontii Thomas W. Nelson 1979-4-10 4591 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  SEINET11447839 Image available Layia platyglossa R. L. Smith 1942-4-3 9 Placer 5 miles E of Roseville 122 Comment
  JEPS127472  Lemna minor Steve Matson 2002-8-4 657 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267; Lookout Mountain branch of Martis Creek. 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
  UCR198414  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2008-4-17 13292 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  UCR222551  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2010-4-17 15896 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, about 0.2 mile northeast of the entrance to the Folsom Lake recreational area 305 Comment
  CAS-BOT-BC88833  Lepidium campestre M. S. Jussel 1928-6-25 s.n. Placer Tahoe Tavern, Tahoe City. Comment
  UCR170792  Lepidium campestre George K. Helmkamp, E. A. Helmkamp 2005-9-30 9959 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCD75761  Lepidium densiflorum Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5233 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
  HSC82616  Lepidium lasiocarpum Thomas W. Nelson, Jane P. Nelson 1979-4-11 4607 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UCD22411  Lepidium latifolium A. M. Shapiro 2001-8-10 s.n. Placer Donner Pass Road, at roadside. 2115 Comment
  UCD22377  Lepidium ramosissimum Beth Lowe Corbin 1982-8-3 168 Placer Onion Creek Campground. S facing slope. Moderately abundant. Full sun. In fine, sandy, granitic soil of open, dry meadow in mixed conifer forest. Annual. Sepal margins white. 1841 Comment
  UC63961  Leptodactylon pungens C. J. Fox Jr. July 1895 Placer near Squaw Peak; near Squaw Peak Comment
  UCD118828  Leptosiphon ciliatus Terri Williamson 1990-4-15 8 Placer 22587 Sunset Ridge Drive, Lake of the Pines. 365 Comment
  UCD118758  Leptosiphon filipes Ted Niehaus 1959-5-3 98 Placer Granite Bay park, north shore of Folsom Lake. Comment
  CHSC82713  Leptosiphon harknessii Lowell Ahart 2002-7-22 9894 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
  SD247474  Leptosiphon harknessii George K. Helmkamp, E. A. Helmkamp 2012-6-19 19235 Placer Northern Sierra Nevada Mountains: Foresthill Road, 6.9 miles east of its junction with Devil's Thumb Road. 1972 Comment
  SEINET3861927  Leptosiphon harknessii Genevieve K. Walden 2009-6-25 208 Placer Off I-80 East before Cisco Grove Exit, Blue Lakes Rd. turn off, take a right and park at T intersection with unpaved fire road.; 0 1699 Comment
  SEINET14168140  Leptosiphon harknessii H. M. Hall 1910-6-26 8717 Placer [Sierra Nevada] Cisco 1800 Comment
  UC1287477  Lessingia leptoclada Willard Spence 1960-9-7 627 Placer Route 49 1 mi e Auburn (on road to Cool) Comment
  CAS-BOT-BC341750  Lessingia nana John Thomas Howell; Gordon H. True 1971-5-26 47631 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC123020  Lewisia kelloggii Albert Kellogg 1870-6-27 s.n. Placer Sierra Nevada. Camp Yuba, Cisco Comment
  JEPS87113  Lewisia longipetala Anne Halford July 1991 Placer Pole Creek Comment
  UC82893  Lewisia nevadensis Kellogg and Brannan 1870-6-29 Placer Cisco Comment
  CAS-BOT-BC444555  Lewisia triphylla John H. Thomas; Hazelle A. Thomas 1956-7-21 6145 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  POM101912  Lewisia triphylla Marcus E. Jones 1882-6-28 2629 Placer Emigrant Gap. Comment
  UCD21924  Lewisia triphylla Rex Palmer 1979-6-9 N 172 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC436046  Ligusticum grayi A. A. Heller 1919-7-25 13300 Placer Near the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC436047  Ligusticum grayi A. A. Heller 1917-8-14 12933 Placer Mt. Lincoln south of Summit valley 2499 Comment
  UC573559  Ligusticum grayi B. Bolt 1934-7-16 123 Placer 1/2 mi. s. Lost Emigrant Mine (Tahoe Nat'l Forest); , Truckee Quad. Comment
  UCD126871  Ligusticum grayi E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1255 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, descending ridge. 2200 Comment
  UCD21642  Ligusticum grayi Rex Palmer 1979-7-25 N 686 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD42978  Ligusticum grayi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 347 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC130532  Lilium John H. Thomas; Hazelle A. Thomas 1956-7-21 6210 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UC1134617  Lilium humboldtii C. R. Clar 1933-6-21 134 Placer near P.G.& E. Reservoir; Sacramento Quad. 426 Comment
  UCR218237  Lilium humboldtii subsp. humboldtii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16442 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  UC984814  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer and L. Beane Jul 1951 191 Placer e of Nevada City; Bear Valley Comment
  UC3750  Lilium washingtonianum subsp. washingtonianum C. F. Sonne Jul 1886 Placer canyon on Truckee River; Sierra Nevada Mountains 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
  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
  UCR146678  Limnanthes alba Beecher Crampton 1953-4-13 1096 Placer Sacramento Valley, 2 miles north of Lincoln, Sunnybrook Farm 43 Comment
  UC971863  Limnanthes striata Charles T. Mason Jr. 1949-5-9 1296 Placer 4 mi ne Shingle Springs (on U.S. Hwy 50 at railroad crossing) Comment
  CAS-BOT-BC246054  Limosella aquatica Ira L. Wiggins 1933-8-21 6788 Placer Shores of Lake Tahoe, near Tahoma Comment
  CDA36874  Linanthus acicularis CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
Read comments
Jul 19 2018
  UC30153  Linanthus dichotomus H. N. Bolander 1865-4-10 4519 Placer Auburn Comment
  UC880295  Linanthus filipes Marcus E. Jones, A. M. Jun 1882 Placer Emigrant Gap Comment
  SEINET9333463  Linanthus harknessii George Hrusa, Glazner, J. 1999-7-17 15153 Placer Martis Valley Comment
  SCFS996  Linanthus pungens E. Krimmel 2013-6-2 Placer North Fork American River. Foresthill Rd - Am. River overlook. Comment
  POM74920  Linanthus pungens subsp. pulchriflorus Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  SCFS1109  Linum lewisii Unknown 2013-6-2 Placer Cedar's meadow, below Soda Springs road Comment
  UC1135290  Lithocarpus densiflorus var. echinoides G. T. Nordstrom 1934-6-19 116 Placer 0.5 mi ne Texas Hill; Tahoe National Forest, Colfax Quad. 1554 Comment
  UC1135293  Lithocarpus densiflorus var. echinoides N. French 1934-5-31 386 Placer 0.5 mi e Texas Hill; Tahoe National Forest, Colfax Quad. 1584 Comment
  UC483999  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-11 Placer 8 mi w Emigrant Gap 1371 Comment
  UCD22322  Lithophragma glabrum Rex Palmer 1979-6-20 N 323 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22329  Lithophragma parviflorum Rex Palmer 1979-6-19 N 217 Placer Headwaters basin area of the North Fork of the American River. Comment
  SACT001440  Lolium multiflorum D. Meyer 1983-6-5 Placer along roadside. 487.68 Comment
  CAS-BOT-BC226936  Lomatium caruifolium var. denticulatum George K. Helmkamp; E. A. Helmkamp 2011-4-10 17169 Placer Sacramento Valley: along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  UCR234211  Lomatium caruifolium var. denticulatum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17169 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  RSA0039273  Lomatium dissectum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20336 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  JEPS126308  Lomatium dissectum var. multifidum Steve Matson 2001-5-28 487 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, 400 yards south power lines, 300 yards west of Golf course. Comment
  CAS-BOT-BC516755  Lomatium utriculatum George K. Helmkamp; Mary Alice Barnes 2013-4-18 20336 Placer Northern Sierra Nevada Mountains foothills: Yankee Jim Road, 0.9 mi E of its jct with Canyon Way, 4.4 mi SE (167 deg. ) of Colfax 561 Comment
  JEPS127404  Lomatium utriculatum Steve Matson 2006-4-23 1605 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UC21193  Lomatium utriculatum H. N. Bolander 1865-4-13 4578 Placer Newcastle Comment
  UC875209  Lomatium utriculatum C. L. Hitchcock 1940-5-15 6400 Placer 6 mi. n. Colfax Comment
  POM68210  Lonicera conjugialis Marcus E. Jones 1900-7-26 s.n. Placer Blue Canyon. 1463 Comment
  UC1125215  Lonicera conjugialis N. French 1934-6-18 419 Placer Lock Leven Lakes Tahoe National Forest, Truckee Quadrangle Comment
  JEPS12810  Lonicera interrupta Katharine Brandegee c.1911 Placer Auburn Comment
  UC1125255  Lonicera interrupta C. R. Clar 1933-6-4 128 Placer near Newcastle; Sacramento Quadrangle Comment
  UC1125271  Lonicera involucrata var. involucrata N. French 1934-7-10 508 Placer 1 mi e Fordyce Lake; Tahoe National Forest, Truckee Quadrangle Comment
  RSA0037369  Lotus argophyllus var. fremontii George K. Helmkamp, Mary Alice Barnes 2013-5-3 20502 Placer Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 ) of Forest Hill 422 Comment
  UCR208542  Lotus argophyllus var. fremontii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14610 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  CDA11997  Lotus humistratus G. F. Hrusa 1995-5-2 12178 Placer Sierra Nevada; Approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  POM260126  Lotus humistratus C. L. Hitchcock 1940-5-14 6382 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UCR207849  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14559 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 277 Comment
  UC864903  Lotus incanus C. L. Hitchcock 1940-5-7 6326 Placer ca 1 mi w Baxter Comment
  SEINET6655790  Lotus incanus L. S. Smith 1926-5-25 1859 Placer Tahoe NF; Mosquito Ridge below Dollar Camp;; 0 Comment
  CDA36893  Lotus micranthus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UC1129097  Lotus micranthus N. French 1933-6-5 66 Placer East Rocklin Sacramento Quad. 91 Comment
  RSA406200  Lotus nevadensis Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
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Apr 29 2011
  SEINET5327442  Lotus nevadensis F. H. Hillman s.n. Placer [Sierra Nevada] between Truckee and Lake Tahoe Comment
  JEPS59490  Lotus oblongifolius var. oblongifolius Ezra Brainerd and Viola B. Baird 1915-7-12 242 Placer n side Donner Lake; Sierra Nevada Mts. 1828 Comment
  UC864267  Lotus pinnatus Marcus E. Jones, A. M. 1882-1 3282 Placer Emigrant Gap Comment
  UC1129011  Lotus purshianus var. purshianus N. French 1933-6-5 62 Placer sw Rattlesnake Bridge Sacramento Quad. 213 Comment
  SEINET3560056 Image available Lotus stipularis C. L. Hitchcock 1940-5-7 6326 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC201252  Lupinus Charles Piper Smith 1932-9-2 4776 Placer Tahoe City, 3 miles north, Truckee Road Comment
  SEINET8057820  Lupinus W. D. Billings 1951-7-28 2141 Placer Tallbot Home Camp, Middle Fk. American River 1676 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
  CAS-BOT-BC201563  Lupinus albifrons var. albifrons Mary E. Jump 1939-3-30 s.n. Placer Highway 40, between Auburn & Colfax Comment
  RSA0035850  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  RSA11953  Lupinus albifrons var. albifrons Elmer I. Applegate 1928-4-22 5362 Placer 3 miles above Auburn on the Grass Valley road. Comment
  CDA19552  Lupinus albifrons var. collinus M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 249 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
  UCD106420  Lupinus andersonii A. A. Heller 1919-7-25 13306 Placer near the Yuba river below Cisco. 1676 Comment
  SEINET5558507  Lupinus andersonii H. S. Gentry 1962-1 19759 Placer 3 mi. south of Grass Valley, along Rt. 49. 457 Comment
  CDA27376  Lupinus apertus T. C. Fuller 1973-8-23 19983 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  UC477529  Lupinus apertus L. S. Smith 1931-6-3 2553 Placer summit at Duncan Peak; Tahoe National Forest, summit at Duncan Peak 2133 Comment
  JEPS71970  Lupinus arbustus Gladys L. Smith 1972-6-18 3138 Placer Alpine Meadows 2072 Comment
  UCD106669  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Summit. Comment
  SEINET10544130 Image available Lupinus arbustus subsp. silvicola A. Arthur Heller 1909-7-16 Heller 9857 Placer Summit. 2134 Comment
  CAS-BOT-BC208839  Lupinus argenteus var. meionanthus Frank W. Peirson 1931-8-10 9551 Placer Lake Tahoe 1905 Comment
  CAS-BOT-BC208840  Lupinus argenteus var. meionanthus E. E. Stanford 1933-8-22 2257 Placer Near Lake Tahoe Comment
  SD241010  Lupinus benthamii G. K. Helmkamp, E. A. Helmkamp 2010-4-17 15894 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, about 0.2 mile northeast of the entrance to the Folsom Lake recreational area. 305 Comment
  UCR233335  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2011-4-1 17115 Placer Eastern Sacramento Valley, along CA-193 (Lincoln-New Castle Hwy), 0.4 mile west of Gold Hill Road, 5.4 miles (air) east of Lincoln 108 Comment
  SD248426  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20290 Placer Eastern Sacramento Valley: Northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan. 35 Comment
  SD255737  Lupinus bicolor George K. Helmkamp, Amy Barnes 2014-3-21 22644 Placer Sacramentop Valley; Sheridan, Riosa Road at the west side of its junction with old CA 65. 32 Comment
  UCD107243  Lupinus bicolor G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11705 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  UCD164623  Lupinus bicolor Brandi Sorensen 1995-5-12 14 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  SEINET10485145  Lupinus confertus Blakley 1960-9-2 BLAKLEY 3801 Placer Perennial to 10 in. Tall; fls. Purplish with a white spot on banner, lvs. Silver-gray. Common on a dry rocky sandy loam bank under pinus at the edge of A mountain meadow. Carnelian bay, lake tahoe. 1903 Comment
  SEINET10973215  Lupinus densiflorus Mary Susan Taylor 1975-5-10 Taylor 575 Placer Ca. 2 mi S of Auburn on Hwy 49, at bridge over American River, ca. 40 ft E of the bridge on N side of road; with Tunica prolifera, Toxicodendron diversilobum, Plantago lanceolatum. With Kevin Marsh. 213 Comment
  POM216163  Lupinus densiflorus var. lacteus D. D. Keck 1933-6-1 2433 Placer Loomis, city limits on road to Folsom. Comment
  UC149855  Lupinus grayi Katharine Brandegee July 1910 Placer Gold Run Comment
  UCR146915  Lupinus grayi Beecher Crampton 1955-6-15 2907 Placer Sierra Nevada Mountains, Yankee Jims 808 Comment
  SEINET6655518  Lupinus latifolius var. latifolius L. S. Smith 1927-8-6 2158 Placer Tahoe NF; Top of hill south of Robertson Flat Ranger Station; Duncan Peak Ridge.; 0 2347 Comment
  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
  UC1129556  Lupinus lepidus var. lobbii B. Bolt 1934-7-12 103 Placer Snow Mountain; Tahoe National Forest, Truckee Quad., Snow Mountain Comment
  UC33404  Lupinus lepidus var. lobbii W. A. Setchell, C. C. Dobie Jul 6 1901-Jul 21 1901 Placer Rubicon Park; vicinity of Lake Tahoe, Rubicon Park 1897 Comment
  UCD108447  Lupinus lepidus var. lobbii L. S. Smith 1916-6 747 Placer Squaw Valley. Comment
  UCD108586  Lupinus lepidus var. sellulus F. A. MacFadden 1934-8-10 s.n. Placer Cisco. Comment
  UCD83615  Lupinus lepidus var. sellulus Albert Grigarick 2009-8-20 182 Placer E of Truckee, on S end of Martis Creek Reservoir. 1775 Comment
  SEINET8056244  Lupinus lepidus var. sellulus A. A. Heller 1912-7-20 10588 Placer [Sierra Nevada] Summit 2073 Comment
  CHSC114667  Lupinus nanus CDFA Staff 1976-6-24 Placer Nute Ranch, near Nute Road. Comment
  RSA0035677  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20341 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  SD255744  Lupinus nanus George K. Helmkamp, Amy Barnes 2014-3-21 22626 Placer Sacramento Valley; Riosa Road at the east side of its junction with CA 65, just west of Sheridan. 32 Comment
  SEINET10402701 Image available Lupinus nanus Barbara Ertter, David Thompson 1989-1 8188 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
  UCR208546  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14674 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
  SEINET7249048  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  CAS-BOT-BC329256  Lupinus polyphyllus subsp. superbus Mary P. Wells 1980-9-12 s.n. Placer Near Tahoe City in forest W of Pioneer Way 1524 Comment
  SEINET8060070  Lupinus polyphyllus var. burkei Trevitt 1932-7-5 s.n. Placer [Sierra Nevada] Tahoe Vista Comment
  POM276434  Lupinus sellulus subsp. sellulus B. W. Benson 11245 Placer Highway junction 1 mile west of Truckee. 1829 Comment
  UCD144418  Lupinus stiversii G. F. Hrusa 1995-5-20 12183 Placer Approximately 1 km on Mosquito Ridge Rd past Gorman Ranch Road intersection. 700 Comment
  SCFS5092  Lupinus stiversii F. Felix, Erica Krimmel 2013-5-19 12 Placer North Fork American River, 0.3 mile east Heath Falls overlook Comment
  SEINET8057999  Lupinus succulentus A. Allen 1950-4-29 18 Placer 1/2 mile west of Rocklin on highway 40, railroad right of way Comment
  CAS-BOT-BC436671  Luzula comosa var. laxa Saichi Kawahara 1969-5-25 1013 Placer Mel Henderson Ranch, west bank of Indian Creek, east of old cabin 999 Comment
  CHSC67717  Luzula divaricata James D. Jokerst 1986-7-13 2724 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, in Sheet Valley. 2133 Comment
  CHSC82640  Lycopus uniflorus Lowell Ahart 2002-7-22 9888 Placer On a floating log in the 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
  UC89539  Madia citriodora K. Brandegee May 1883 Placer Roseville Comment
  CAS-BOT-BC343778  Madia elegans David D. Keck 1933-6-1 2435 Placer 1 mile south of Loomis on road to Rocklin Comment
  JEPS111119  Madia elegans Steve Matson 2005-7-18 1406 Placer Martis Valley, southeast of Truckee, National Recreation Area, west of Highway 267 and Parking Picnic area. 39.3007 N, 120.1368 W; elevation 5845 ft. 1781 Comment
  UC485298  Madia elegans Katharine Brandegee Placer near Alta Comment
  UCD69161  Madia elegans D. Sanchez-Mata; P. Rodriguez-Rojo and D. Sanchez-Mata 1997-8-6 s.n. Placer Tahoe National Forest. Forest Hill-Michigan Bluff. Michigan Bluff Rd. 1070 Comment
  POM362140  Madia elegans subsp. elegans Wm. Martin 1971-9-10 20202 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  UC170026  Madia glomerata Miss Helen D. Geis 1912-6 169 Placer Deer Park Comment
  UCD134265  Madia glomerata G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12646 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  CAS-BOT-BC343244  Madia gracilis H. M. Hall 1910-6-26 8719 Placer Cisco, west slope Sierra Nevada 1804 Comment
  POM298295  Madia gracilis H. M. Hall 1910-6-26 8719 Placer Cisco, W slope of Sierra Nevada. 1805 Comment
  CAS-BOT-BC343239  Madia gracilis David D. Keck 1932-6-30 1583 a Placer Ca. 4 miles S. of Colfax 640 Comment
  POM260438  Madia minima L. S. Rose 1940-5-29 40411 Placer 3 miles northeast of Emigrant Gap 1677 Comment
  CAS-BOT-BC512884  Maianthemum stellatum W. R. Dudley 1900-6-28 s.n. Placer Near Tallac Comment
  SEINET12049608  Maianthemum stellatum J. H. Nishida 1985-1 780 Placer Homewood 1829 Comment
  SEINET10838740  Malva neglecta Mary Susan Taylor 1975-5-10 Taylor 572 A Placer Ca. 2 mi S of Auburn on Hwy 49, at bridge over American River, ca. 40 ft E of the bridge on N side of road; with Tunica prolifera, Toxicodendron diversilobum, Plantago lanceolatum. With Kevin Marsh. 213 Comment
  CAS-BOT-BC67839  Marsilea vestita David D. Keck 1933-6-1 2438 Placer South of Roseville, near Sacramento County - Placer County line. Comment
  SEINET11601814 Image available Matricaria discoidea R. Elliott, H. N. Mozingo 1979-3-31 s.n. Placer 518 Comment
  SEINET7843610  Medicago arabica F. Brunetti 1962-4-1 s.n. Placer 2 miles east of Auburn, on north fork American River. 274 Comment
  UCR258125  Medicago orbicularis George K. Helmkamp, Amy Barnes 2014-3-21 22647 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  CAS-BOT-BC269216  Melica aristata California Academy of Sciences 1870-6-10 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  UC1256278  Melica aristata R. K. Gierisch and D. H. Esplin 1969-7-11 3522 Placer Big Bend; Tahoe Forest 1828 Comment
  UCD36716  Melica aristata Beecher Crampton 1955-7-13 3006 Placer Placer County, Blue Canyon. 1432 Comment
  CAS-BOT-BC269217  Melica aristata California Academy of Sciences 1870-6-10 s.n. Placer Cisco/Sierra Nevada Comment
  JEPS75173  Melica bulbosa Gladys L. Smith 1972-6-20 3261 Placer Ward Peak 2590 Comment
  CHSC67861  Melica bulbosa var. inflata James D. Jokerst 1986-7-13 2742 A Placer Trail from The Cedars, high Sierra Nevada NW of Donner Lake, above Ted Beedy's 'El Cap' on trail traversing slope. 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
  UCD87247  Melica californica M. J. Wright 1948-5-15 s.n. Placer American River. Comment
  SACT001507  Melica fugax Michael Baad 1983-8-11 Placer on trail to Whiskey Creek to Mildred Ridge. 2133.0 Comment
  UCD87269  Melica fugax Beecher Crampton 1958-6-24 4960 Placer Eastern area of Martis Valley, ca. 4 miles southeast of Truckee. Comment
  SACT001518  Melica harfordii Michael Baad 1983-7-11 Placer 3.5 air miles southeast of Emigrant Gap. Comment
  UCD36652  Melica harfordii Beecher Crampton 1955-6-15 2872 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  SACT001528  Melica stricta Michael Baad 1976-8-4 Placer Ascent of creek bed draining Comment
  SACT001537  Melica torreyana Michael Baad 1983-5-5 Placer 3 miles southeast on Yankee Jim Road form Canyon Way Road descending to North Fork of the American River 548.64 Comment
  SACT001556  Melica torreyana D. Meyer 1984-6-23 Placer 1 km from Interstate 80 Frontage Road, shady hillside with Oak and Douglass Fir 978.0 Comment
  UCD88830  Melica torreyana Beecher Crampton 1955-6-15 2876 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. 914 Comment
  UCR173273  Melica torreyana George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10437 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  CDA39027  Melilotus albus D. G. Kelch 2011-10-3 11 .826 Placer Tahoe City. Granlibakken Resort. Comment
  UC702906  Mentzelia albicaulis Lewis S. Rose 1941-7-12 41313 Placer Chambers Lodge, (McKinney) Lake Tahoe 1920 Comment
  UC1602077  Mentzelia dispersa Katharine Brandegee Placer Emigrant Gap. Comment
  UCD150573  Mentzelia dispersa James A. Neilson Jr. 1970-6-17 1560 Placer Tahoe Basin, 2 mi. NE of Tahoe City. 1914 Comment
  CAS-BOT-BC428535  Micranthes aprica Brannan; Kellogg 1870-6-9 s.n. Placer Cisco Comment
  UCD22376  Micranthes aprica Rex Palmer 1979-5-27 N 75 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22364  Micranthes bryophora Beth Lowe Corbin 1982-8-19 386 Placer 2 miles SSE of The Cedars. 2011 Comment
  SCFS5111  Micranthes californica F. Felix, Erica Krimmel 2013-5-19 5 Placer North Fork American River, 0.1 mile east of Heath Falls overlook, on trail 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
  SEINET6033609  Micranthes integrifolia A. Beninghoff 1930-3-15 1572 Placer Virginia Town. Comment
  CAS-BOT-BC429028  Micranthes nidifica C. F. Sonne 1886-6-6 355 Placer Sierra Nevada Mts. On road to Tahoe Comment
  UCD42905  Micranthes odontoloma C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 273 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  HSC82227  Microseris acuminata Thomas W. Nelson 1979-4-10 4577 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  CAS-BOT-BC348682  Microseris acuminata Gordon H. True 1971-4-21 6525 Placer On Roseville-Lincoln Highway, ca. 5 miles north of Roseville Comment
  POM33641  Microseris nutans Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UC829637  Microseris nutans Lewis S. Rose 1941-7-12 41306 Placer Chambers Lodge, McKinney Lake Tahoe 1920 Comment
  UCD21784  Microseris nutans Rex Palmer 1979-6-19 N 221 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS127495  Microsteris gracilis Steve Matson 2002-5-26 520 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  RSA26978  Mimulus angustatus C. L. Hitchcock 1940-5-14 6397 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UCD122166  Mimulus angustatus Kenneth T. Stearns 1975-5-24 s.n. Placer Todd Valley Estates, south field at end of Redwood Court. 822 Comment
  UC1206541  Mimulus arvensis T. S. Brandegee Sept. 1888 Placer Donner Comment
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Jul 19 2011
  UCR146916  Mimulus aurantiacus Beecher Crampton 1955-6-15 2893 Placer Sierra Nevada Mountains, 8.5 miles west of Iowa Hill, bottom of Shirttail Canyon 610 Comment
  UCR222571  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2010-4-17 15891 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 7.3 miles southwest of its junction with CA-49 near Pilot Hill 332 Comment
  UC444815  Mimulus aurantiacus var. grandiflorus Martha Brier June 1894 Placer near Towle; Bear Valley Comment
  CDA19559  Mimulus bicolor M. I. Wibawa, G. F. Hrusa (16049), J. Glazner 2002-5-22 219 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  POM5148  Mimulus breweri H. M. Hall 1910-6-22 8704 Placer Cisco 549 Comment
  UC885737  Mimulus breweri Alice Eastwood July 1909 232 Placer Squaw Creek Yosemite Comment
  UCR233400  Mimulus breweri George K. Helmkamp, E. A. Helmkamp 2011-8-26 18186 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  JEPS59499  Mimulus guttatus Ezra Brainerd and Viola B. Baird 1915-7-10 253 Placer Deer Park Sierra Nevada Mts. 1920 Comment
  JEPS59502  Mimulus guttatus Ezra Brainerd and Viola B. Baird 1915-7-10 257 Placer Deer Park Sierra Nevada Mts. 1920 Comment
  POM260455  Mimulus layneae C. L. Hitchcock 1940-5-15 6406 Placer 6 miles north of Colfax. 762 Comment
  CDA41699  Mimulus leptaleus S. E. Schoenig 1998-8-29 98 84 b Placer Adjacent to trail Glacier Lake, 0.5 miles east of intersection with Sand Ridge Trail. Comment
  UCD75957  Mimulus leptaleus Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5212 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2270 Comment
  UCD130330  Mimulus lewisii Albert Grigarick 2011-8-31 308 Placer Alpine Meadows Ski Resort. Approx. 300 yds W of headquarters. 2144 Comment
  UCD42965  Mimulus lewisii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 334 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD21890  Mimulus microphyllus Rex Palmer 1979-7-19 N 227 Placer Exact location unknown. Comment
  JEPS71705  Mimulus minusculus Gladys L. Smith 1972-6-18 3141 Placer Alpine Meadows 2072 Comment
  UCD44488  Mimulus moschatus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1854 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD75683  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5132 a 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, near underdeveloped road that crosses the creek. 2106 Comment
  UCD75956  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5211 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2270 Comment
  SEINET5796524 Image available Mimulus moschatus var. longiflorus Marcus E. Jones 1882-1 Placer Alta Comment
  UCD42957  Mimulus primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 326 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  POM298032  Mimulus tilingii A. A. Heller 1917-8-13 12918 Placer Ridge northwest of Donner Pass. 2378 Comment
  UCD44424  Mimulus tilingii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1790 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44452  Mimulus tilingii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1818 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  POM9975  Mimulus tilingii E. Keyes 1920-8-21 s.n. Placer Ellis Meadow near Lake Tahoe. Comment
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Jan 1 2016
  RSA420993  Mimulus torreyi Fay A. MacFadden 1934-7-9 12574 Placer Emigrant Gap. Comment
  SEINET3245755  Mimulus torreyi G. K. Helmkamp, E. A. Helmkamp 2009-1 15425 Placer Sierra Nevada Mountains: Forest Hill Road, 20.5 miles northeast of the city of Foresthill (Duncan Peak 7.5') 1661 Comment
  UC573534  Mimulus torreyi N. French 1934-6-15 414 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle 1463 Comment
  SEINET9319360  Mimulus torreyi Unknown 2009-7-16 15196 Placer Sierra Nevada Mountains Comment
  RSA20886  Minuartia californica C. B. Wolf 1937-3-30 8349 Placer Sacramento Valley, 4.8 miles east of Lincoln on Penryn Road. 91 Comment
  UC8089  Minuartia californica H. N. Bolander 1865-4-11 4543 Placer near Auburn Comment
  CAS-BOT-BC174686  Minuartia cismontana G. L. Stebbins 1978-5-28 7895 Placer East end of Ralston Ridge 1554 Comment
  HSC82611  Minuartia douglasii Thomas W. Nelson, Jane P. Nelson 1979-4-11 4602 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  CAS-BOT-BC432978  Mitella breweri Emily McPherson 1976-6-12 76- 5 -1 Placer Loch Leven Lakes 2072 Comment
  CDA40218  Modiola caroliniana M. I. Wibawa 2002-5-27 270 Placer Sacramento Valley; American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  RSA463237  Monardella odoratissima J. H. Nishida 1985-7-10 776 Placer Homewood. 1829 Comment
  SEINET13948628 Image available Monardella odoratissima Lewis S. Rose 1941-1 41316 Placer Open pine forest. Homewood, Lake Tahoe, alt ca 6300 ft 1920 Comment
  UC416728  Monardella odoratissima subsp. glauca Miss Helen D. Geis 1912-6 177 Placer Deer Park Comment
  CAS-BOT-BC318566  Monardella odoratissima subsp. pallida A. A. Heller 1919-7-26 13320 Placer Donner pass. 2194 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
  UC883621  Monardella odoratissima subsp. pallida P. A. Lebenbauer 1935-6-18 Placer Near Tahoe City 1898 Comment
  UCR170816  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2005-9-30 9951 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR200859  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2008-9-15 14103 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  SEINET10582096  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 271 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
  CAS-BOT-BC220475  Monardella sheltonii G. K. Helmkamp; E. A. Helmkamp 2007-5-30 12206 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 8.5 miles east of its junction with Forest Hill Road in Foresthill 488 Comment
  CAS-BOT-BC444732  Montia chamissoi Marcus E. Jones 1882-6-28 2628 Placer Emigrant Gap 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
  POM101955  Montia fontana Marcus E. Jones 1882-6-27 3279 Placer Emigrant Gap. Comment
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Sep 7 2010
  POM101988  Montia parvifolia Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC260646  Muhlenbergia filiformis L. R. Abrams 1917-9-16 6771 Placer Emigrant Gap to Cisco Comment
  POM114424  Muhlenbergia filiformis Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SACT001585  Muhlenbergia filiformis D. Meyer 1984-7-15 Placer Moist mountain meadow 25 km from lodge. 1909.0 Comment
  UC34018  Muhlenbergia filiformis C. F. Sonne July 1892 20 Placer dry hills Sierra Nevada Mountains, Truckee Comment
  OBI20096  Muhlenbergia richardsonis David J. Keil 1978-7-23 12935 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UCR201933  Muhlenbergia richardsonis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14027 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  UC128216  Nama lobbii Miss Harriet A. Walker 1908-7-26 1490 Placer Cisco 1828 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
  UCR237449  Narcissus pseudonarcissus George K. Helmkamp, E. A. Helmkamp 2012-2-23 18573 Placer Sacramento Valley, Nicolaus Road, 0.4 mile west of South Dowd Road, west of Lincoln 45 Comment
  SD247382  Nasturtium officinale George K. Helmkamp, Mary Alice Barnes 2013-3-3 20501 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 miles east (87 degrees) of Forest Hill. 422 Comment
  JEPS127506  Navarretia capillaris Steve Matson 2000-6-7 472 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, east of Martis Creek Comment
  UCD44423  Navarretia capillaris C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1789 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD75706  Navarretia capillaris Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5156 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, sides of trail. 2124 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
  UC101873  Navarretia divaricata Katharine Brandegee 1888-1 Placer Shady Run Comment
  LA206582  Navarretia divaricata G. T. Nordstorm; 1934-6-21 150 Placer 0.4 mi. W by NW of Mammoth Springs 1706 Comment
  CDA15676  Navarretia divaricata subsp. divaricata G. F. Hrusa, J. Glazner 1999-7-18 15226 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  CHSC82649  Navarretia divaricata subsp. divaricata Lowell Ahart 2002-7-22 9896 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  JEPS111177  Navarretia divaricata subsp. divaricata Steve Matson 2005-7-4 1363 Placer Martis Valley, southeast of Truckee, National Recreation Area (Army Corps of Engineers), south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; near trailhead. 39.2923 N, 120.1291 W. Elevation 5,900 ft. 1798 Comment
  UC1124094  Navarretia divaricata subsp. divaricata B. Bolt 1934-6-19 149 Placer Tadpole Spring Tahoe National Forest, Colfax Quad. 1950 Comment
  CHSC83178  Navarretia eriocephala Beecher Crampton 1953-5-14 1273 Placer 3 miles north of Roseville, on Highway 99E. Along railroad right of way. Comment
Read comments
Aug 1 2011
  JEPS70343  Navarretia intertexta W. H. Shockley 1886-6-1 Placer Auburn Comment
  SEINET3861932  Navarretia intertexta Genevieve K. Walden 2009-6-25 210 Placer Off I-80 East before Cisco Grove exit, Blue Lakes Rd. turn off, take a right and park at T intersection with unpaved fire road.; 0 1699 Comment
  JEPS103313  Navarretia intertexta subsp. intertexta Lowell Ahart 2002-7-22 9895 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  RSA35119  Navarretia intertexta subsp. propinqua L. S. Rose 1944-7-26 44289 Placer Truckee River, 7 mi. N of Lake Tahoe 1799 Comment
  RSA470051  Navarretia leptalea Fay A. MacFadden 1934-7-26 s.n. Placer Foot of Red Mountain Comment
  RSA470066  Navarretia leptalea Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  UC106890  Navarretia leptalea subsp. leptalea T. S. Brandegee 1889-7-7 Placer Alta Comment
  UC398627  Navarretia leptalea subsp. leptalea A. A. Heller 1927-8-15 14445 Placer near Yuba River (Cisco); near Yuba River, Cisco Comment
  UC449816  Navarretia leucocephala subsp. minima Francis Ramaley 1917-4-14 11113 Placer Lincoln Comment
  UC880880  Nemophila heterophylla C. L. Hitchcock 1940-5-7 6321 Placer ca 1 mi w Baxter; w of Baxter Comment
  SEINET7067118  Nemophila maculata A. G. Vestal 1947-4-29 s.n. Placer About 3.3 miles north of Auburn on Route 49. Coordinate datum: NAD27. Comment
  UC24198  Nemophila maculata H. N. Bolander 1865-4-12 4551 Placer on road from Auburn to Forest Hill at Grizzly Bear House Grizzly Bear House Comment
  UCR193333  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2007-5-30 12192 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
  RSA76018  Nemophila pedunculata Lincoln Constance 1938-6-6 2278 Placer 6.5 miles west of Cisco, Sierra Nevada. 1585 Comment
  UCR250650  Nemophila pulchella var. gracilis George K. Helmkamp, Mary Alice Barnes 2013-4-18 20374 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  SEINET5536436  Nemophila spatulata L. R. Miller 1936-5-19 s.n. Placer Above Zephyr Cove, Lake Tahoe Comment
  UC606960  Nemophila spatulata L. Constance 1938-6-6 2279 Placer 6.5 mi w Cisco (Sierra Nevada); , w of Cisco 1584 Comment
  UC1714520  Odontostomum hartwegii Mary E. P. Ames April, 1891 Placer Auburn Comment
  UC905263  Odontostomum hartwegii Malcolm Nobs 1948-5-23 511 Placer on Hwy. 49 3/4 mi. n. of Rock Creek Comment
  CAS-BOT-BC349974  Oreostemma alpigenum var. andersonii Peter Rubtzoff 1976-9-18 8841 Placer Lake Van Norden 2063 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
  SCFS1214  Orthocarpus cuspidatus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top meadow. Comment
  UC1063494  Orthocarpus cuspidatus subsp. cryptanthus N. French 1934-6-22 447 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle, w of Lake Dulzura Comment
  SEINET3159771  Orthocarpus pilosus G. B. Grant 1906-7-25 887 Placer Lake Tahoe, Sierra Nevada Mts. Tallac 1890 Comment
  SACT001684  Oryzopsis hymenoides Michael Baad 1976-8-25 Placer ridge of east Grouse Canyon 2499.0 Comment
  POM82918  Osmorhiza berteroi Marcus E. Jones 1882-6-29 2734 Placer Emigrant Gap. Comment
  CDA15653  Osmorhiza chilensis G. F. Hrusa, J. Glazner 1999-7-18 15188 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  CHSC79644  Osmorhiza occidentalis G. F. Hrusa; J. Glazner 1999-7-18 15238 Placer Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S 43434 N, 07418 E. 1889 Comment
  UC849847  Oxyria digyna A. A. Heller 1917-8-14 12922 Placer near the crest Mt. Lincoln (s of Summit valley); Mt. Lincoln s of Summit valley 2499 Comment
  CAS-BOT-BC10505  Paeonia brownii Alice Eastwood 1912-6-15 362 Placer Deer Park, Lake Tahoe Region Comment
  CDA15682  Paeonia brownii G. F. Hrusa, J. Glazner 1999-7-18 15232 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  SEINET208826 Image available Paeonia brownii Edward L. Smith 1967-6-17 sn Placer 1 mile east of Emigrant Gap 1620 Comment
  UCD88208  Panicum acuminatum var. fasciculatum Beecher Crampton 1952-11-9 917 Placer 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  UCD88218  Panicum acuminatum var. fasciculatum Beecher Crampton 1955-7-13 2987 Placer 3.5 miles east of Baxter, along U.S. Highway 40. 1432 Comment
  JEPS127557  Parnassia fimbriata Steve Matson 2004-8-22 1117 Placer nSNH: Tahoe Basin west shore; Blackwood Canyon, 1/2 mile SE of Barker Pass. Comment
  POM142851  Parnassia fimbriata Allen M. Carpenter 1892-1 s.n. Placer [Unspecified] Comment
  CAS-BOT-BC175537  Parnassia palustris C. F. Sonne 1883-8-12 96 Placer [Canon] Canyon above Coldstream Comment
  UCD88755  Paspalum dilatatum Collector Unknown 1939-6-23 s.n. Placer Catlin, Auburn. Comment
  SACT001668  Paspalum distichum Josephine Van Ess 1974-10-30 Placer Collected on Ferrieria Road just east of Lincoln on Highway 193. Growing in mud along drainage ditch. Comment
  UCD22332  Pectiantia breweri Rex Palmer 1979-6-19 N 272 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC74275  Pedicularis attollens Susi Urie 1998-8-29 98 -168 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UC103240  Pedicularis groenlandica C. F. Sonne July 1892 Placer Mountains above Baldstream; Sierra Nevada Mountains Comment
  UC128137  Pedicularis racemosa Miss Harriet A. Walker 1908-7-29 1502 Placer on trail to Mud Lake; Cisco 1828 Comment
  UC1293799  Pedicularis racemosa E. F. Sprague 1957-7-14 1600 Placer up slope behind Rainbow Tavern (and to e end of road, Hwy 40) 1828 Comment
  JEPS111208  Pedicularis semibarbata Steve Matson 2005-7-4 1364 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  POM44038  Pedicularis semibarbata Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  UCD21902  Pedicularis semibarbata Beth Lowe Corbin 1982-8-6 270 Placer About 1/2 mile west of Onion Creek campground. 1950 Comment
  SEINET4536349 Image available Pellaea brachyptera Marcus E. Jones 1882-1 3275 Placer Emigrant Gap Comment
  UCD23227  Pellaea brachyptera Beth Lowe Corbin 1982-8-9 288 Placer 2/3 mile southwest of Onion Creek campground. 1767 Comment
  UCD75751  Pellaea bridgesii Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5218 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
  RSA686980  Pellaea mucronata Fay A. MacFadden 1934-3-25 12480 Placer Canyon Creek, Monte Vista Inn. Comment
  CAS-BOT-BC258795  Pennisetum clandestinum R. L. Reeves 1972-10-20 s.n. Placer Grounds of Dewitt State Hospital, 3 miles north of Auburn Comment
  RSA285608  Penstemon azureus subsp. azureus D. C. Michener 1981-7-15 4008 Placer Sierra Nevada. Above Hampshire Rocks campground (near Big Bend exit of I-80). Comment
  UC163936  Penstemon azureus var. azureus H. M. Hall 1910-6-19 8702 Placer Cisco 1800 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
  JEPS111238  Penstemon deustus Steve Matson 2005-6-19 1293 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2974 N, 120.1379; Elevation 5850 ft. 1783 Comment
  UCD21909  Penstemon deustus Rex Palmer 1979-6-21 N 374 Placer Headwaters basin area of the North Fork of the American River 2194 Comment
  UC887063  Penstemon heterodoxus A. A. Heller 1917-8-13 12921 Placer ridge nw of Donner Pass; nw of Donner Pass 2377 Comment
  RSA463161  Penstemon laetus Lyman D. Benson 1932-7-31 4024 Placer Twin Peaks Road, Sierra Nevada, Lake Tahoe watershed. 1951 Comment
  UCR233462  Penstemon neotericus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18190 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  OBI24256  Penstemon newberryi N. H. Russell 1961-6-16 11041 Placer 5 mi E of Calif 89, S end of Lake Tahoe Comment
  POM283535  Penstemon newberryi Lyman D. Benson 1933-6-26 4534 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  UCD21912  Penstemon newberryi Rex Palmer 1979-7-11 N 576 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD70557  Penstemon newberryi Julie Combs 1994-5-31 24 Placer Roadside on westbound Yuba Gap exit on I-80. In mountain chaperral with Pinus, Abies, and Arctostaphylos; growing in crevices in granite on steep dry slope with high light. Common mat forming subshrub, 8-12 cm in height with reddish fls. 1818 Comment
  POM147858  Penstemon newberryi subsp. newberryi Philip A. Munz 1927-7-19 1769 Placer Summit of Sierra, west of Donner Lake. 2134 Comment
  RSA285589  Penstemon newberryi subsp. newberryi D. C. Michener 1981-7-15 4009 Placer Sierra Nevada. Above Hampshire Rocks campground (near Big Bend exit of I-80). Comment
  CAS-BOT-BC239286  Penstemon newberryi var. berryi Betty J. Jorgensen 1944-7-2 512 Placer Along summit near Donner Pass Comment
  NY627298  Penstemon newberryi var. newberryi J. H. C. Bouti 06 1888 s.n. Placer At Donner Lake Comment
  NY627310  Penstemon newberryi var. newberryi W. W. Eggleston 1927-8-5 21557 Placer Robertson Flat Region, Tahoe Forest 2000 Comment
  UC194353  Penstemon newberryi var. newberryi C. F. Sonne 1884-1 Placer near Donner Lake Comment
  CDA15981  Penstemon roezlii G. F. Hrusa, J. Glazner 1999-7-17 15184 d Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  POM98174  Penstemon roezlii E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
Read comments
Jan 1 2016
  CDA15986  Penstemon rydbergii var. oreocharis G. F. Hrusa, J. Glazner 1999-7-17 15166 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC67757  Penstemon speciosus James D. Jokerst 1986-7-13 2726 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the Summit of Needle Peak. Comment
  RSA3004  Penstemon speciosus Carl B. Wolf 1931-9-10 2418 Placer Shore of Lake Tahoe. Just NW of Chambers Lodge. 1921 Comment
  NY661013  Penstemon speciosus L. D. Benson 1932-7-31 4018 Placer 2 miles N Tahoe Tavern. Truckee River Watershed. Sierra Nevada Mountain Range. 1889.8 Comment
  NY661071  Penstemon speciosus C. B. Wolf 1937-9-4 9288 Placer Sierra Nevada, Auburn-Truckee Road S. side S. Fork Yuba River near Cisco 1798.3 Comment
  POM283518  Penstemon speciosus Lyman D. Benson 1932-7-31 4018 Placer 2 mi N Tahoe Tavern. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  POM44219  Penstemon speciosus Marcus E. Jones 1897-6-22 s.n. Placer 10 miles south of Amedee. 1220 Comment
  RSA101445  Penstemon speciosus R. Weatherby 1955-6-22 1534 Placer Road to Spanish Peak lookout. 1829 Comment
  SCFS1239  Penstemon speciosus E. Krimmel 2013-6-29 Placer North Fork American River, Painted Rock Trail, S. side top meadow Comment
  RSA0026218  Perideridia John F. Emmel 1997-7-25 1507 Placer Sierra Nevada, Donner Pass region; along Pacific Crest Trail south of Donner Pass, ca. 0.5 air mile SE of SE end of Lake Mary. 2287 Comment
  JEPS126327  Perideridia bolanderi Steve Matson 1998-6-21 269 Placer Martis Valley; about 4 miles SE of Truckee; 1/4 mile north of Highway 267, 60 ft east of Martis Creek Wildlife Area. Comment
  JEPS126338  Perideridia parishii Steve Matson 1998-8-21 390 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt roas extension of Tiger Ave. along power lines at junction with west fork of Snow Creek. Comment
  UCR226137  Perideridia parishii Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5149 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, forest clearing off trail 2113 Comment
  RSA459095  Perideridia parishii subsp. latifolia Fay A. MacFadden 1934-7-2 12553 Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  UCD127956  Perideridia parishii subsp. latifolia F. A. MacFadden 1934-7-2 s.n. Placer American River, 1/2 mile east of Rawhide Mine. Comment
  UCD42830  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 196 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC419304  Persicaria punctata Brighton C. Cain 1925-8-15 9 Placer 2 miles south of Auburn at Wise Power House Comment
  UCD80671  Persicaria punctata CNPS SN Foothill Team 2006-6-28 SNNR 0919 Placer CDPR, Folsom State Recreation Area, near the confluence of a small intermittent creek and the American River. 140 Comment
  SEINET3245950  Petrorhagia dubia G. K. Helmkamp, E. A. Helmkamp 2010-1 15934 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5') 157 Comment
  UCD98384  Petrorhagia dubia M. H. Mills 1996-4-21 167 Placer at 5830 Walden Lane, Loomis. 180 Comment
  RSA518803  Phacelia egena L. R. Heckard, G. Ledyard Stebbins 1973-6-17 3441 Placer On east face of Big Valley Bluff, about seven air miles southeast of Emigrant Gap. 1524 Comment
  UCD120496  Phacelia hastata subsp. compacta G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12637 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UCD120500  Phacelia hastata subsp. compacta Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer West end of Ward Valley in Lake Tahoe Basin. 1889 Comment
  CAS-BOT-BC249043  Phacelia hastata var. hastata George K. Helmkamp; E. A. Helmkamp 2010-7-28 16655 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  SEINET2441255  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15439 Placer Sierra Nevada Mountains: Forest Hill Road, 0.8 mile west of Robinson Flat, ca 27 miles NE of the city of Foresthill. (Duncan Peak 7.5' Q.).; 0 2034 Comment
  UCR191132  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2007-6-12 12315 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UCR233382  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18166 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  SDSU6629  Phacelia heterophylla subsp. virgata D. F. Howe 1971-7-2 4760 Placer Near Lake Tahoe, Elderado National Forest, Placer Co. 1890 Comment
  UCR250070  Phacelia heterophylla subsp. virgata George K. Helmkamp, Mary Alice Barnes 2013-5-3 20487 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UC163972  Phacelia humilis Miss H. A. Walker 1910-6-13 2030 Placer near Deer Park; Tahoe District 1970 Comment
  RSA26537  Phacelia humilis var. humilis L. S. Rose 1940-6-2 s.n. Placer Truckee River, 10 miles N of Tahoe City. 1829 Comment
  UCD75688  Phacelia hydrophylloides Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5137 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
  UC577901  Phacelia marcescens N. French 1934-5-24 362 (260) Placer north fork of North Fork of American River Tahoe National Forest, Colfax Quadrangle 1341 Comment
  SD241060  Phacelia mutabilis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17857 Placer Northern Sierra Nevada Mountains: Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 miles NE (65a^z) of Emigrant Gap (Blue Canyon 7.5'Q) 484 Comment
  UC1035539  Phacelia mutabilis Kay H. Beach 1941-8-20 1601 Placer roadside on U.S. 40 about 3 mi e Emigrant Gap; Sierra Nevada Mountains Comment
  UC881016  Phacelia mutabilis Marcus E. Jones, A. M. 1882-6-30 2813 Placer Emigrant Gap Comment
  UCR229536  Phacelia mutabilis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17857 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  SEINET3158314  Phacelia racemosa K. Brandegee 1908-7-15 sn Placer Cisco Comment
  UC163979  Phacelia racemosa H. M. Hall 1910-6-19 8701 Placer type locality Cisco 1804 Comment
  CAS-BOT-BC154287  Phacelia ramosissima var. subglabra C. F. Sonne 1886-7-18 241 Placer Top of R.R. [Canon] Canyon on Truckee River Comment
  UCD120688  Phacelia stebbinsii G. L. Stebbins 1977-7-9 7762 Placer Along trail from McKinistry Lake to Hell Hole Reservoir. 1706 Comment
  CDA38742  Phalaris arundinacea R. Robison 2011-8-19 Placer Tahoe City; Gatekeeper s Museum, adjacent to dam near Truckee River outflow. 0 Comment
  SACT001697  Phalaris arundinacea Michael Baad 1976-6-17 Placer Flood plain of river, Royal Gorge-Wabena Creek to Wild Creek to Wild Cat Canyon. Comment
  UCD88773  Phalaris canariensis Collector Unknown 1925-5-29 2099 Placer Auburn. Comment
  JEPS81208  Philadelphus lewisii Douglas W. James Jr. 1973-5-27 122 Placer off Mosquito Ridge Rd 1/2 mi below junction with French Meadow Road (11.1 mi from Forest Hill) 1524 Comment
  UC565948  Philadelphus lewisii N. French and A. E. Wieslander 1933-6-18 79 Placer Middle Fork of American River Placerville Quadrangle 457 Comment
  UCD117279  Philadelphus lewisii G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10705 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
  UCD15415  Philadelphus lewisii N. L. Leman 1973-5-27 217 Placer California, Placer Co.; ca. 9.2 mi E of Foresthill, on the way to Placer Co. Big Trees Grove; Comment
  SACT001737  Phleum alpinum Michael Baad 1976-8-4 Placer Ascent of creek bed draining Midred Lakes. 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
  SACT001749  Phleum pratense D. Meyer 1983-9-10 Placer Near parking lot, moist streambank and meadow. 1879.0 Comment
  UC1124170  Phlox diffusa N. French 1934-6-17 417 Placer Lock Leven Lakes Tahoe National Forest, Truckee Quad. 2194 Comment
  UCD21969  Phlox diffusa Rex Palmer 1979-5-27 N 80 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM74807  Phlox diffusa subsp. diffusa Marcus E. Jones 1882-6-28 10481 Placer Emigrant Gap. Comment
  UC30191  Phlox gracilis H. N. Bolander 1865-1 4508 Placer near Auburn Comment
  UC567162  Phlox gracilis N. French 1934-6-22 481 Placer 0.5 mi w Lake Van Norden; Truckee Quad. 2133 Comment
  UCR233386  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2011-8-26 18173 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  JEPS72023  Phoenicaulis cheiranthoides Gladys L. Smith 1972-6-20 3223 Placer Ward Peak, from chair lift terminus to ultimate summit peak Ward Peak 2632 Comment
  UCD162875  Phoenicaulis cheiranthoides Jack Major 1962-6-3 s.n. Placer Granite Chief Wilderness. Top of Ward Peak. (Exact location unknown. Coordinates estimated by label maker.) 2632 Comment
  UCD22353  Phoenicaulis cheiranthoides Rex Palmer 1979-6-21 N 427 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC1078887  Phoradendron juniperinum Job Kuijt 1957-8-9 1408 Placer near Immigrant Gap (1. mi. e. of Nevada-Placer Co. line) Comment
  UC480738  Phyllodoce breweri W. C. Blasdale 1923-7-19 Placer Ellis Peak; Yosemite National Park, Ellis Peak Comment
  UC21950  Phyllodoce breweri C. F. Sonne July 1887 Placer Sierra Nevada Mountains, Tuckers Knob Tuckers Knob; Sierra Nevada Mountains, Tuckers Knob Comment
  SACT001768  Phyllostachys aurea Josephine Van Ess 1976-9-22 Placer Collected in vicinity of 2120 Bald Hill Road. Growing in wet roadside. 365.8 Comment
  UCR253503  Phytolacca americana George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20090 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  CHSC84562  Pilularia americana John Dittes 2003-5-25 2003 -21 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
  JEPS18158  Pilularia americana Rimo Bacigalupi with G. T. Robbins and F. Chisaki 1956-4-20 5632 Placer along Antelope-Roseville rd at Sacramento-Placer Co. line 42 Comment
  UC1134121  Pinus jeffreyi R. W. Lundh 1933-4-26 233 Placer 3 mi s Signal Peak; Colfax Quadrangle Comment
  UC185  Pinus jeffreyi W. A. Setchell 1901-7-1 Placer Rubicon Park , Tahoe Comment
  UCD23235  Pinus jeffreyi Beth Lowe Corbin 1982-8-25 420 Placer Onion Creek campground. 1841 Comment
  UCD133235  Pinus lambertiana Beecher Crampton 1970-11-10 8652 Placer Nyack. 1524 Comment
  UCR200873  Pinus lambertiana George K. Helmkamp, E. A. Helmkamp 2008-9-15 14111 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  IRVC9005  Pinus ponderosa Pamela I. B. Roeber 1974-10-20 66 Placer 3 miles S of Foresthill on Auburn-Foresthill Road. Comment
  UC1819258  Pinus ponderosa Glen E. Sindel 1955-9-25 s. n. Placer Forest Hill, northern edge of flat ridge top, ca. 50 ft W of northern edge of Forest Hill Ranger Station, Tahoe National Forest; IFG plot 68 975 Comment
  UCD15411  Pinus ponderosa Lorraine Prunier 1982-5-22 22 Placer at Yuba Pass on Hwy 49. 2286 Comment
  SEINET5334748  Pinus ponderosa var. ponderosa W. D. Billings 1940-5-18 1315 Placer Gold Run Comment
  SBBG58821  Piperia transversa M. N. Ackley -Jun-1925 692 Placer Towle 1127 Comment
  UCD89656  Piptatherum miliaceum Collector Unknown 1988-9-1 s.n. Placer between borders of Nevada county, State Hwy 20, Bear River. 1524 Comment
  HSC82272  Plagiobothrys austiniae Thomas W. Nelson, Jane P. Nelson 1979-4-11 4598 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  POM260091  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer 1 mile west of Baxter Comment
  HSC82225  Plagiobothrys canescens Thomas W. Nelson 1979-4-10 4575 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  UCD80163  Plagiobothrys fulvus var. campestris CNPS SN Foothill Team 2005-4-14 SNFN 0110 c Placer Placer Legacy, Spears/Didion Ranch. Releve situated on east side of entry road, approximately 150 meters north of entry gate off of Mears Road. 309 Comment
  UCD18831  Plagiobothrys greenei Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-27 136 Placer 1 mi. east along Athens Ave. from its intersection with Industrial Ave., pools are north of Athens and west of dirt road, Orchard Creek site, pool # OKC022, UTMs: 10S0645594; 4300408. Comment
  CAS-BOT-BC230949  Plagiobothrys hispidulus Alice Eastwood 1906-7-27 1066 Placer Glen Alpine Region. Fallen Leaf Lake Comment
  JEPS126398  Plagiobothrys hispidulus Steve Matson 1998-6-27 312 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 40 yards south of Highway 267. Comment
  UC480693  Plagiobothrys hispidus H. F. Copeland 1931-7-29 Placer n end of Lake Tahoe; n end Lake Tahoe Comment
  UCD73909  Plagiobothrys nothofulvus Rebecca Epanchin-Niell 2000-4-27 45 Placer SW of Auburn District Regional Park, N of Bell Road, Auburn, CA. Comment
  CAS-BOT-BC516748  Plagiobothrys stipitatus var. micranthus George K. Helmkamp; Amy Barnes 2013-3-28 20282 Placer Eastern Sacramento Valley: along 10th St/Ranch House Rd, 0.6 mi S of its jct with Riosa Road in Sheridan 43 Comment
  UCR258241  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-3-28 20241 A Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  SD44645  Plagiobothrys trachycarpus Darley F. Howe 1951-5-1 2105 Placer 456 Comment
  SEINET8665599  Plantago erecta S. Aarstad 1979-4-1 s.n. Placer 1/2 mile E of junct. of old & new Auburn- Forest Hills Road 792 Comment
  CDA19547  Plantago lanceolata M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 236 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
  UCR253551  Plantago lanceolata George K. Helmkamp, Amy Barnes 2014-4-23 22803 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  UCD21984  Plantago major Beth Lowe Corbin 1982-8-12 329 Placer Onion Creek campground. In sandy soil. Disturbed meadow near stream. Perennial. Inflorescence green. Full sun. SW facing slope, 5% incline. Common. 1841 Comment
  UC429340  Platanthera J. A. Decou 1900-8-5 456 Placer McKinney's Tahoe Comment
  SEINET3440029 Image available Poa George K. Helmkamp, E. A. Helmkamp 2012-5-5 18918 Placer Northern Sierra Nevada Mountains Foothills: Lake Clementine Road, 1.2 mi W of its junction with Foresthill Road, 0.3 air mi SE of Clementine Dam on the American River 396 Comment
  UC1137074  Poa August L. Hormay 1933-5-24 Placer foothills w of Auburn Comment
  CAS-BOT-BC244352  Poa annua L. S. Smith 1926-4-11 1778 Placer Forest Hill Divide, road to Sugar Pass 1097 Comment
  JEPS70620  Poa annua Leland S. Smith 1926-4-10 1778 Placer rd to Sugar Pine (Forest Hill Divide); Tahoe Nat'l Forest 1097 Comment
  SACT001784  Poa annua D. Meyer 1984-4-15 Placer 36.97 Comment
  SEINET7709036  Poa annua J. Nachlinger 1984-3-17 909 Placer Middle Fork of American River, on road to Placerville. 457 Comment
  UC820684  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer base of cliff n of Summit Hotel 2164 Comment
  UCD21596  Poa bolanderi E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1260 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
  UCD75951  Poa bolanderi Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5192 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail. 2161 Comment
  SACT001801  Poa bolanderi Michael Baad 1983-6-23 Placer 0.2 km west of 89 1828.0 Comment
  SEINET10659110  Poa bolanderi A. Arthur Heller 1917-8-13 Heller 12901 Placer Base of cliff north of Summit Hotel. The surrounding forest composed of Abies magnifica. 2164 Comment
  UCR208558  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2009-5-11 14658 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  SACT001814  Poa bulbosa Josephine Van Ess 1978-3-23 Placer 378.0 Comment
  SACT001824  Poa canbyi Michael Baad 1983-6-27 Placer 1570.6 Comment
  SACT001831  Poa compressa D. Meyer 1983-7-16 Placer 1624.0 Comment
  SACT001864  Poa incurva 1976-7-17 Placer Collected on trail 1.6 km west of Alpine Meadows, open brushy slopes on granite. 2133.0 Comment
  SACT001865  Poa incurva Michael Baad 1976-8-12 Placer Collected on transect from ridge between Emigrant Gap and Granite Cheif, north to Mountain Meadow Lake, northwest of Granite Cheif. 2438.4 Comment
  CAS-BOT-BC246828  Poa leptocoma John Thomas Howell 1943-7-22 18714 Placer Summit Valley Comment
  CAS-BOT-BC246865  Poa nervosa John Thomas Howell 1943-7-26 18857 A Placer Between Sugar Bowl and Norden Comment
  CDA13681  Poa palustris G. F. Hrusa, J. Glazner 1997-8-3 14041 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Uncommon rhizomatous plant to 1 m. tall in lower, wetter part of meadow. Comment
  SACT001891  Poa palustris D. Meyer 1984-7-21 Placer 5.1 km north of Tahoe City 1879.0 Comment
  CDA15972  Poa pratensis subsp. pratensis G. F. Hrusa, J. Glazner 1999-7-17 15124 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC74922  Poa pratensis subsp. pratensis Susi Urie; Eric Schroder 1998-9-8 98 -277 Placer Lake Tahoe Basin-National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UC1132714  Poa pratensis subsp. pratensis H. S. Yates 1936-8-9 5984 Placer 2 mi sw Martis Peak; Truckee Quadrangle Comment
  SACT001886  Poa pringlei Michael Baad 1976-7-21 Placer Ridge at the line west north west of Lyon Peak, and north-facing slope at crest of Lyon Peak. 10 miles southeast of Soda Springs. 2377.0 Comment
  SACT001978  Poa scabrella Michael Baad 1983-5-5 Placer North Fork of American River, south side of river. 548.64 Comment
  SACT002010  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  SACT002012  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  CAS-BOT-BC242955  Poa secunda subsp. secunda A. A. Heller 1917-8-13 12917 Placer Ridge NW of Donner Pass below a ledge of igneous rock 2377 Comment
  UC821093  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Emigrant Gap 1615 Comment
  UC821094  Poa secunda subsp. secunda A. A. Heller 1917-8-13 12917 Placer ridge nw of Donner Pass 2377 Comment
  CAS-BOT-BC244154  Poa sierrae C. L. Hitchcock 1940-5-7 6341 Placer Ca 1 mile W of Baxter Comment
  SACT002013  Poa tenerrima Josephine Van Ess 1980-4-15 Placer Collected on hill south of parking area about 1.25 mile east of highway 49. Moist hillside slope in serpentine. 414.6 Comment
  JEPS75194  Poa wheeleri Gladys L. Smith 1972-6-20 3236 Placer below Ward Peak (near volcanic tunnel) 2590 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
  CHSC67528  Pogogyne zizyphoroides James D. Jokerst 1986-4-14 2623 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  JEPS62476  Pogogyne zizyphoroides R. E. Arp 1932-4-18 6 Placer Roseville Comment
  UCD21615  Polemonium californicum E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1259 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, descending ridge. 2200 Comment
  CAS-BOT-BC170303  Polygala cornuta var. cornuta Marcus E. Jones 1882-7-3 3316 Placer Colfax Comment
  CAS-BOT-BC170304  Polygala cornuta var. cornuta B. C. Cain 1925-8-15 16 Placer 2 mi. south of Auburn at Wise Power House Comment
  SBBG67658  Polygala cornuta var. cornuta M. N. Ackley -Jun-1925 787 Placer Gold Run 983 Comment
  UC868233  Polygala cornuta var. cornuta Marcus E. Jones, A. M. 1882-7-3 3316 Placer Colfax Comment
  JEPS72808  Polygonum davisiae Gladys L. Smith 1972-6-20 3233 Placer exposed ridge from chairlift terminus to ultimate summit peak; Ward Peak 2632 Comment
  UC6687  Polygonum davisiae C. F. Sonne 1886-7-18 Placer Truckee River; mt. on Comment
  JEPS50533  Polygonum davisiae C. F. Sonne 1888-7-29 292 Placer Bear Creek; top Comment
  RSA97516  Polygonum douglasii Beecher Crampton 1955-7-13 3015 Placer Placer-Nevada County border, along Hwy 20, 1.5 miles N of Emigrant Gap. 1372 Comment
  CHSC74248  Polygonum douglasii subsp. douglasii Susie Urie; Eric Schroder 1998-9-8 98 -278 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  SEINET13276726 Image available Polygonum persicaria George K. Helmkamp, Elizabeth Helmkamp 2012-1 20088 Placer Sacramento Valley: South Dowd Road, 0.1 mile south of its junction with Moore Road, SW of Lincoln (Pleasant Grove 7.5' Q.) 34 Comment
  UCR253538  Polygonum persicaria George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20088 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  UCD44428  Polygonum polygaloides subsp. kelloggii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1794 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC420035  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1906-7-24 445 Placer Lake Tahoe Region. Road to Lily L. Comment
  CAS-BOT-BC420039  Polygonum polygaloides subsp. kelloggii W. R. Dudley 1900-6-28 s.n. Placer Near Tahoe City Comment
  CAS-BOT-BC109257  Polygonum shastense John Thomas Howell 1943-7-21 18663 Placer Donner Pass to Mount Lincoln. Comment
  UC1136153  Polygonum shastense N. French 1934-6-22 470 Placer 1/2 mi w Lake Van Norden; Tahoe N.F., Truckee Quadrangle Comment
  UCD21933  Polygonum shastense Beth Lowe Corbin 1982-8-4 237 Placer 1 1/2 mile NNW of Onion Creek campground. In rocky, fine, sandy soil on subalpine talus slope. Spreading perennial. White calyx. East facing slope, 40% incline. Full sun. Uncommon. 2286 Comment
  RSA0039074  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20367 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  POM120374  Polypodium hesperium Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  CDA2335  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer Near Auburn, bank of branch of Rubicon River. 0 Comment
  RSA654886  Polypogon monspeliensis Steven Coyne 1999-5-10 10846699 c Placer Along 'Keys Creek', east of Fwy and S of Hwy 76. Comment
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Jul 14 2015
  JEPS14358  Polystichum imbricans subsp. imbricans Rimo Bacigalupi, et al. 1952-7-19 3854 Placer below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill rd.); N Fork American River 381 Comment
  CAS-BOT-BC76723  Polystichum lemmonii G. Ledyard Stebbins 1969-7-19 6942 Placer Sierra Nevada - Monument Ridge, 3 mi. S of Yuba Gap 2057 Comment
  RSA693277  Polystichum lonchitis Fay A. MacFadden 1934-7-2 s.n. Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  UC2046011  Polystichum scopulinum Stephen W. Edwards with Katie Colbert 2015-8-7 s.n. Placer Monumental Ridge. Comment
  RSA3403  Populus balsamifera subsp. trichocarpa Carl B. Wolf 1931-9-11 2422 Placer near creek, 7 miles below summit of Donner Pass, W slope of Sierra Nevada 1829 Comment
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Aug 27 2010
  OBI20169  Populus trichocarpa David J. Keil 1978-7-23 12934 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UCD22303  Populus trichocarpa Rex Palmer 1979-5-27 N 55 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22304  Populus trichocarpa Rex Palmer 1979-6-7 N 399 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS126367  Porterella carnosula Steve Matson 2003-6-9 791 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards north of Highway 267; 200 yards west of Martis Creek. Comment
  CDA805  Potamogeton diversifolius J. H. Wilson 1965-5-28 Placer Weed in pond on Haight property, 80 Morningstar Drive, Loomis. 0 Comment
  CDA859  Potamogeton richardsonii R. Talbert 1959-8-14 2927 Placer Lake Tahoe. 0 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
  UCR233381  Potentilla glandulosa subsp. reflexa George K. Helmkamp, E. A. Helmkamp 2011-8-26 18165 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  RSA463075  Potentilla glandulosa var. nevadensis Lyman D. Benson 1942-7-2 11246 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCD113831  Potentilla gracilis Frederica Bowcutt 1994-7-22 1950 Placer Sierra Nevada Mtns, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  CHSC74255  Potentilla gracilis var. fastigiata Susi Urie 1998-8-29 98 -161 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74256  Potentilla gracilis var. fastigiata Susi Urie 1998-9-3 98 -231 Placer Lake Tahoe Basin. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  CHSC74431  Potentilla gracilis var. fastigiata Susi Urie 1998-9-2 98 -220 Placer Lake Tahoe Basin. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  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
  SD3658  Primula suffrutescens C. F. Sonne 1897-8-14 Placer E slope Mt. Anderson Comment
  SEINET8565286  Primula suffrutescens P. B. Kennedy, S. B. Doten 1901-8-10 272 Placer Summit of Devils Cliff, Soda Springs. Comment
  SEINET7968223  Prunella vulgaris L. R. Miller 1934-7-8 s.n. Placer Cisco. Comment
  RSA424599A  Prunella vulgaris var. lanceolata Wm. Martin 1971-9-10 20218 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  CAS-BOT-BC159834  Prunus cerasifera H. K. Wagnon; T. C. Fuller 1964-5-18 11984 Placer S. of r.r. tracks, c. of Dutch Flat Rd., Alta Comment
  POM88422  Prunus emarginata Marcus E. Jones 1897-8-10 s.n. Placer Blue Canyon Comment
  UC1128350  Prunus emarginata C. R. Clar 1933-5-11 116 Placer 3 mi e of Weimer 609 Comment
  UC481517  Prunus emarginata G. W. Fetters 1929-6-20 Placer Lake Tahoe, Homewood Creek Homewood Creek; Lake Tahoe, Homewood Creek Comment
  UC861017  Prunus emarginata Lewis S. Rose 1940-5-29 40420 Placer Cisco 1737 Comment
  UCD130333  Prunus emarginata Albert Grigarick 2011-8-31 309 Placer Alpine Meadows Ski Resort. Approx. 300 yds W of headquarters. 2175 Comment
  UCR200860  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2008-9-15 14104 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  CAS-BOT-BC154643  Prunus subcordata E. K. Balls; L. W. Lenz 1955-5-12 20474 Placer 0.8 mi. from Hwy. 40 w. along rd. from Colfax to Grass Valley 670 Comment
  CAS-BOT-BC154644  Prunus subcordata W. R. Dudley 1909-8-1 s.n. Placer Vicinity Dutch Flat Comment
  OBI49846  Pseudobahia heermannii Barbara Ertter, David Thompsom 1989-4-9 8195 Placer Halfway down rd to Lake Clementine (=North Fork Lake) NE of Auburn; T13N R9e sec 31 305 Comment
  UCR170815  Pseudognaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2005-9-30 9955 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  JEPS102629  Pseudognaphalium luteoalbum Lowell Ahart 2001-10-10 9339 Placer 22 air mi SW of Forest Hill (French Meadows Reservoir, 1/4 mi NE of boat or trail access area on NW side, 3/4 mi SW of bridge on Middle Fork American River) 1591 Comment
  SACT002063  Pseudosasa japonica Josephine Van Ess 1976-9-22 Placer Collected in vicinity of 2120 Bald Hill Road. Wet Roadside ditch. 365.8 Comment
  CAS-BOT-BC422322  Pseudostellaria sierrae Ronald L. Hartman 1997-7-11 58546 Placer Near campsite ca 200 yards from Foresthill Road, 2-2.5 road mi W from Sailor Flat trail turn-off. 1981 Comment
  SEINET5334812  Pseudotsuga menziesii var. menziesii J. Vetter 1956-4-16 s.n. Placer On U.S. highway 40, about 1 mile west of Baxter 1067 Comment
  UCR200869  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2008-9-15 14117 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  UCR231008  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16800 Placer Northern Sierra Nevada Mountains, American Hill Road, 1.2 miles south of its junction with Foresthill Road 1567 Comment
  UCR231829  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16769 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  CDA39026  Pterospora andromedea D. G. Kelch 2011-10-3 11 .825 Placer Tahoe City. Granlibakken Resort. Comment
  UC21689  Pterospora andromedea A. M. Carpenter 1892-8 Placer Comment
  CAS-BOT-BC460479  Pterospora andromedea Elizabeth Parsons Hawver 1911-8-23 s.n. Placer Lake Tahoe Region: Page Meadow woods Comment
  UC1128534  Purshia tridentata var. tridentata H. S. Yates 1934-6-29 3897 Placer Carnelian Bay; Tahoe National Forest, Truckee Quad. 1920 Comment
  CAS-BOT-BC462774  Pyrola dentata Alice Eastwood 1909-1-1 296 Placer Lake Tahoe Region: Squaw Creek Comment
  UC412729  Pyrola picta J. A. DeCow 1900-8-3 423 Placer Tahoe, McKinneys Tahoe; , McKinneys Comment
  UC474247  Pyrola picta G. W. Fetters 1929-8-2 Placer near shore of Lake Tahoe, Pomins Pomins; Lake Tahoe, Pomins Comment
  RSA0083319  Pyrola picta J. B. Feudge 1927-7-18 1726 Placer West of Emigrant Gap. 1524 Comment
  CAS-BOT-BC45764  Quercus Gordon H. True 1965-5-18 s.n. Placer Deer Creek, trib. to Truckee River just north of Squaw Valley 1981 Comment
  JEPS89059  Quercus X chasei Dr. J. C. Hawver 1909-3-5 Placer Auburn, ne corner of town Auburn Comment
  CAS-BOT-BC104263  Quercus X morehus Miss. A. Eastwood 1959-9-1 s.n. Placer New Castle Comment
  SACT002693  Quercus X morehus J. Jorgenson 1959-8-13 Placer Comment
  RSA252260  Quercus chrysolepis Gary D. Wallace 1974-12-21 1342 Placer Foothills of the Sierra Nevada, along a frontage road off Hwy. 80, 1 mi W of Colfax. Comment
  UCD45389  Quercus chrysolepis D. H. Hartmann 1941-10-11 s.n. Placer Golden Cup Oak. 4 miles west of Auburn on U.S #40, Placer Co. Comment
  SEINET9005619  Quercus chrysolepis P. L. Comanor, B. Clark, B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 mi. from end of railroad bridge on Calif. 194. Winding road, plot located on the right, past parking area, down path approx. 60 meters. 1676 Comment
  CDA20382  Quercus chrysolepis var. chrysolepis P. Akers 2002-4-14 s.n. Placer Northern California; Ponderosa Way, S of Weimar. 0 Comment
  RSA758204  Quercus kelloggii Doug Goldman 2004-12-24 3008 Placer Tahoe National Forest. East side of Mosquito Ridge Road (Forest Road 96), 0.6 miles southwest of the bridge over the North Fork of the Middle Fork of the American River., About 10.1 miles east of the intersection of Road 96 and Forest Hill Road in Forest Hill. 473 Comment
  SACT002133  Quercus kelloggii Michael Baad 1977-4-13 Placer 0.2 miles north of Interstate 80; ecotone between pine forest and chaparral 502.92 Comment
  UCSC010009  Quercus kelloggii Al Keuter 2014-6-15 00 101 A Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  SEINET12030462  Quercus kelloggii Unknown 1936-1 s.n. Placer Chicken Hawk Camp Comment
  CAS-BOT-BC62886  Quercus lobata A. Eastwood 1894-9-9 s.n. Placer Newcastle Comment
  SEINET2470936  Quercus vacciniifolia K. Christie 2010-6-30 1877 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
  UCD144216  Quercus vacciniifolia Frederic Hrusa; L. Serafini 1993-6-29 11248 Placer south side of French Meadows Reservoir immediately below dam. 1500 Comment
  SEINET10437710  Quercus vacciniifolia P. A. Lehenbauer 1933-8-6 1405 Placer Near Homewood. Comment
  CAS-BOT-BC104990  Quercus wislizeni Gordon H. True 1971-4-21 6529 Placer Auburn Ravine just W of Lincoln 49 Comment
  SACT002732  Quercus wislizeni J. Clark 1937-4-18 Placer Comment
  CAS-BOT-BC362682  Raillardella argentea L. S. Smith 1925-7-15 1682 Placer Tahoe National Forest. French Mdws. near Talbot Camp 1828 Comment
  CAS-BOT-BC186684  Ranunculus Saichi Kawahara 1969-5-24 851 Placer Near garden, Mel Henderson Ranch, east bank of Indian Creek 1005 Comment
  UC634984  Ranunculus alismifolius var. alismifolius H. L. Mason 1926-5-29 3301 Placer Truckee River Comment
  POM306475  Ranunculus alismifolius var. hartwegii M. L. Fernald 1893-3-23 s.n. Placer Truckee. 1768 Comment
  CAS-BOT-BC379381  Ranunculus alismifolius var. hartwegii A. A. Heller 1917-6-19 12731 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC379431  Ranunculus alismifolius var. hartwegii Gordon H. True 1974-6-20 7749 Placer lower slopes and flats at east end of Castle Peak ridge, ca. 0.5 mi north of Summit Lake 2377 Comment
  CAS-BOT-BC378964  Ranunculus bonariensis John Thomas Howell; Gordon H. True 1972-3-17 7082 Placer northern outskirts of Lincoln 49 Comment
  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
  JEPS60691  Ranunculus muricatus R. E. Arp 1932-4-18 11 Placer Roseville; along streams Comment
  UCR197991  Ranunculus muricatus Beecher Crampton 1953-4-21 1117 Placer Sacramento Valley, Sunnybrook Farms, 2 mi north of Lincoln 41 Comment
  SEINET3840850  Ranunculus occidentalis M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 224 Placer Hughes Mill, Along Finning Mill road, approximately three miles north of Forest Hill road, approximately three miles East of Forest Hill 1060 Comment
  UC147650  Ranunculus occidentalis Harriet A. Walker 1908-6-24 1284 Placer Blue Canyon 1432 Comment
  RSA20881  Ranunculus occidentalis var. eisenii Carl B. Wolf 1937-3-30 8344 Placer Sacramento Valley, 4.8 mi. E of Lincoln on Penryn Rd. 91 Comment
  POM147025  Ranunculus occidentalis var. eisenii Alice Eastwood 1927-3-26 14145 Placer On road between Placerville and Coloma. Comment
  RSA400016  Ranunculus occidentalis var. eisenii Wm Vortriede 1926-1 s.n. Placer Lake Tahoe. Comment
  SEINET5338822  Ranunculus occidentalis var. eisenii A. Streshley 1976-3-12 s.n. Placer South of Auburn on the north fork of the American River. 274 Comment
  UC9469  Ranunculus orthorhynchus var. orthorhynchus Mrs. M. M. Hardy 1893-1 Placer Comment
  UCR262445  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2011-12-9 18503 Placer Sacramento Valley, Sunset Blvd. West, 5.8 miles west of its junction with Fiddyment Road 29 Comment
  CDA37168  Raphanus sativus CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  CDA3829  Raphanus sativus T. C. Fuller 1959-5-2 s.n. Placer Mt. Pleasant District, 5 miles northeast of Lincoln. 0 Comment
  CAS-BOT-BC55827  Rhamnus Charles J. Rockwell 1952-7-11 s.n. Placer northeaset of Roseville Comment
  CAS-BOT-BC59527  Rhamnus alnifolia Carl B. Wolf 1937-9-4 9287 Placer Sierra Nevada, NW. of Lake Tahoe, 1 mi. below (E. of) Deer Park 1981 Comment
  CAS-BOT-BC59535  Rhamnus alnifolia Alice Eastwood 1912-6-15 434 Placer Deer Park Comment
  CDA13672  Rhamnus alnifolia G. F. Hrusa, J. Glazner 1997-8-3 14032 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  POM246490  Rhamnus alnifolia Carl B. Wolf 1937-9-4 9287 Placer Sierra Nevada, NW of Lake Tahoe, 1 mile below Deer Park. 1982 Comment
  CAS-BOT-BC109794  Rhodiola integrifolia subsp. integrifolia John Thomas Howell 1943-7-26 18854 A Placer Sugar Bowl northwest of Mount Lincoln. Comment
  CAS-BOT-BC58198  Rhododendron columbianum F. Almeda 1993-7-24 7265 Placer About 15 mi. se. of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  CAS-BOT-BC58200  Rhododendron columbianum L. S. Smith 1925-8-14 1706 Placer Robertson Flat pasture. Tahoe forest. 1981 Comment
  UC877119  Rhododendron occidentale C. L. Hitchcock 1940-5-14 6399 Placer 6 mi n of Colfax (Meier Ranch); Meier Ranch 762 Comment
  CAS-BOT-BC108693  Ribes cereum Bethel; Posey 1921-6-5 s.n. Placer Tahoe. Comment
  CAS-BOT-BC108694  Ribes cereum Mary P. Wells 1980-9-11 s.n. Placer Sierra Nevada. Near Big Creek, opposite stable. 1950 Comment
  CAS-BOT-BC108701  Ribes cereum C. F. Sonne 1884-6-7 107 Placer Sierra Nevada Mountains. Truckee. Comment
  CAS-BOT-BC169091  Ribes inerme var. inerme Alice Eastwood 1912-6-15 428 Placer Deer Park, Lake Tahoe Basin Comment
  UC191456  Ribes inerme var. inerme C. F. Sonne 1885-5-19 Placer near Mill pond (on Tahoe road); Truckee Comment
  OBI20152  Ribes nevadense David J. Keil 1978-7-23 12942 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  SCFS5086  Ribes nevadense F. Felix, Erica Krimmel 2013-5-19 26 Placer North Fork American River, 0.5 mile downstream on Cedar meadow trail, next to trail Comment
  RSA0018266  Ribes roezlii J. H. Nishida 1985-7-10 777 Placer Homewood. 1829 Comment
  SCFS5087  Ribes roezlii F. Felix, Erica Krimmel 2013-5-19 28 Placer North Fork American River, Serena Creek Junction with North Fork American River Comment
  CAS-BOT-BC173854  Ribes velutinum J. F. Emmel 1970-7-18 321 Placer Slope, 0.6 air mile s. of south end of Lake Mary, s. of Donner Pass 2286 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
  POM31766  Rigiopappus leptocladus Marcus E. Jones 1889-7-3 s.n. Placer Dutch...[label difficult to read]. Comment
  CDA15663  Rorippa curvisiliqua G. F. Hrusa, J. Glazner 1999-7-18 15205 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CDA15948  Rorippa curvisiliqua G. F. Hrusa, J. Glazner 1999-7-17 15159 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CDA24990  Rorippa curvisiliqua J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC73937  Rorippa curvisiliqua Susi Urie 1998-8-19 98 -079 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS126396  Rorippa curvisiliqua Steve Matson 2002-5-26 521 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; on north side of pond near Highway 28. Comment
  CHSC82580  Rorippa curvisiliqua var. orientalis Lowell Ahart 2002-7-22 9882 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  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
  UC1191429  Rorippa subumbellata Malcolm A. Nobs, S. Galen Smith 1949-8-21 1512 Placer n end Lake Tahoe (between sandy beach and Agate Bay); n end Lake Tahoe, between sandy beach and Agate Bay Comment
  JEPS47280  Rosa bridgesii C. F. Sonne May 1891 4172 Placer along railroad below Auburn 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
  CDA3961  Rosa canina T. C. Fuller, H. K. Wagnon 1964-5-18 11981 Placer W side of Dutch Flat Rd., 0.8 mi. S of Dutch Flat P.O. 0 Comment
  UCD89719  Rubus armeniacus Lindsay Clark 2008-6-20 CFX 20 Placer Stevens Trail in Colfax, close to trailhead. 717 Comment
  SEINET5470384 Image available Rubus lasiococcus E. Neese 1980-10-15 9987 Placer Gold Run Rest area along I-80- 3000ft elev. Comment
  UC14186  Rubus parviflorus W. A. Setchell, C. C. Dobie Jul 6 1901-Jul 21 1901 Placer Cascade Mts. vicinity of Lake Tahoe, Cascade Mts. 1897 Comment
  UCD164607  Rubus ursinus Brandi Sorensen 1995-6-1 25 Placer .73 kilometers northwest of Colfax. 671 Comment
  CDA19533  Rumex acetosella M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 258 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
  SEINET3860446  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2010-6-26 16404 Placer Sierra Nevada Mountains Foothills: Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way.; 0 591 Comment
  UCR200863  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2008-9-15 14119 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  CDA37171  Rumex acetosella CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  JEPS126260  Rumex crispus Steve Matson 1998-6-7 325 Placer nSNH, Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, west of Martis Creek. Comment
  RSA0115331  Rumex crispus George K. Helmkamp, Amy Barnes 2014-3-21 22639 Placer Sacramento Valley: Sheridan, Riosa Road at the west side of its junction with old CA-65. 33 Comment
  UCR270369  Rumex salicifolius John F. Emmel 2002-6-23 1758 Placer Sierra Nevada Mountains, northern Lake Tahoe region, US Forest Service Road 16N33 a unnamed creek crossing c. 1 mile west of Griff Creek crossing, 1.4 air miles south and 0.2 air mile west of Martis Peak 2244 Comment
  CHSC72883  Rumex salicifolius var. triangulivalvis L. P. Janeway; Eric Schroder 1998-7-13 5748 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UCD21928  Rumex triangulivalvis Beth Lowe Corbin 1982-8-11 324 Placer 1 1/2 mile WSW of Onion Creek campground. In fine, sandy soil in logged White Fir forest. Perennial, forming a loose clump. Calyx reddish. Full sun. SE facing slope, 20% incline. Uncommon. 2011 Comment
  CHSC74215  Sagina saginoides Susi Urie; Eric Schroder 1998-9-8 98 -296 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCD138052  Sagittaria latifolia Malcolm A. Nobs 1948-9-25 695 Placer south side of town. Highway 40, Roseville. Comment
  UC935787  Sagittaria latifolia Malcolm A. Nobs 1948-9-25 690 -B Placer n side Auburn (growing in a smalls stream); n side of Auburn Comment
  CAS-BOT-BC103559  Salix eastwoodiae W. R. Dudley 1900-6-1 5347 Placer in north side of Independence Lake Comment
  CAS-BOT-BC103561  Salix eastwoodiae W. R. Dudley 1900-6-1 5350 Placer Head of Independence Lake Comment
  CAS-BOT-BC103601  Salix eastwoodiae Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe region Comment
  CAS-BOT-BC103612  Salix eastwoodiae W. R. Dudley 1900-6-14 5045 Placer About half way up loop road from Donner Lake Comment
  UC1134858  Salix eastwoodiae N. French 1934-6-19 416 Placer Lock Leven Lakes; Tahoe Nat'l Forest, Colfax Quadrangle Comment
  UCD22313  Salix eastwoodiae Rex Palmer 1979-7-11 N 552 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22318  Salix eastwoodiae Rex Palmer 1979-7-11 N 590 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC103555  Salix eastwoodiae W. R. Dudley 1900-6-14 5099 Placer Up grade east from hotel at Summit Comment
  CAS-BOT-BC103755  Salix exigua Gordon H. True 1963-5-15 1249 Placer Near Penryn 152 Comment
  CAS-BOT-BC108208  Salix hindsiana Gordon H. True 1968-10-26 4740 Placer Sact. Valley between Sheridan and edge of foothills SW of Camp Far West Res. 76 Comment
  CAS-BOT-BC106953  Salix laevigata Gordon H. True 1971-4-21 6528 A Placer Auburn Ravine just west of Lincoln 49 Comment
  UCD80748  Salix laevigata CNPS SN Foothill Team 2005-4-14 SNFN 0109 Placer Placer Legacy, Didion Ranch, along south fork of Coon Creek, accessed from east end of study area off of Mears Road. Releve situated on north bank of creek approximately 50 meters east of access road. 224 Comment
  CAS-BOT-BC125290  Salix lasiandra var. lasiandra 1931-8-28 2630 Placer Tahoe National Forest Comment
  CAS-BOT-BC125293  Salix lasiandra var. lasiandra L. S. Smith 1931-5-22 3 Placer Tahoe National Forest, French Meadows 1828 Comment
  UC532214  Salix lasiolepis Herbert F. Copeland 1935-3-17 Placer near Gold Run (along creek) Comment
  UCD124130  Salix lasiolepis Ellen Dean; Marcel Rejmanek 2012-10-9 7504 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
  CDA39563  Salix lasiolepis H. H. Keifer 1956-7-14 s.n. Placer Rocklin. 0 Comment
  CAS-BOT-BC128469  Salix lasiolepis var. lasiolepis Gordon H. True 1968-7-30 4455 A Placer Just east of Rocklin, on Rocklin Road 76 Comment
  CAS-BOT-BC128472  Salix lasiolepis var. lasiolepis W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat Comment
  CAS-BOT-BC124757  Salix lemmonii W. R. Dudley 1900-6-14 5096 Placer East of hotel at Summit Comment
  CAS-BOT-BC124770  Salix lemmonii W. R. Dudley 1900-6-14 5109 Placer Valley northwest of Lake Mary, near Summit Comment
  CAS-BOT-BC124773  Salix lemmonii W. R. Dudley 1900-6-14 5111 Placer Valley northwest of Lake Mary, near Summit Comment
  CAS-BOT-BC124774  Salix lemmonii W. R. Dudley 1900-6-14 5069 Placer Between Donner Lake and Summit Comment
  CAS-BOT-BC124785  Salix lemmonii Gordon H. True 1965-5-18 1905 Placer Deer Creek trib. to Truckee River just below Squaw Valley, near confluence with Truckee River 1859 Comment
  CHSC72889  Salix lemmonii L. P. Janeway; Eric Schroder 1998-8-15 5771 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC74265  Salix lemmonii Susi Urie; Eric Schroder 1998-9-11 98 -332 Placer Lake Tahoe Basin--National Forest. Along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CHSC74266  Salix lemmonii Susi Urie 1998-9-3 98 -229 Placer Lake Tahoe Basin--National Forest. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  UCD43891  Salix lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1257 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC124768  Salix lemmonii L. S. Smith 1931-6-17 11 Placer Tahoe National Forest, Babbit Springs along road to Babbit L.O. 2133 Comment
  UC449849  Salix ligulifolia L. S. Smith 1931-1 3 Placer French Meadows Tahoe Nat'l Forest, American River, French Meadows 1828 Comment
  POM362680  Salix lucida subsp. lasiandra Glenn A. Gorelick 1965-8-21 s.n. Placer Emigrant Gap. Comment
  UC477571  Salix melanopsis L. S. Smith 1931-8-27 Placer French Meadow Tahoe Nat'l Forest, French Meadow Comment
  CAS-BOT-BC129080  Salix scouleriana W. R. Dudley 1900-6-1 5281 Placer Woods west of Independence Hotel Comment
  CAS-BOT-BC129083  Salix scouleriana W. R. Dudley 1900-6-14 5075 Placer Rocks on right of road between Donner Lake and summit Comment
  CAS-BOT-BC129125  Salix scouleriana W. R. Dudley 1900-6-1 5528 Placer Above McKinney's Cr. Comment
  POM107215  Salix scouleriana Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  SDSU9459  Salix scouleriana D. F. Howe 1948-5-22 1820 Placer 1219 Comment
  UC1135083  Salix scouleriana B. Bolt 1934-8-13 168 Placer e. slope of Red Star Ridge; Tahoe Nat'l Forest, Truckee Quad. Comment
  UC484002  Sambucus mexicana Carl B. Wolf 1930-10-11 1729 Placer 4 mi w Emigrant Gap 1524 Comment
  UC480752  Sambucus racemosa var. microbotrys W. C. Blasdale 1923-7-15 Placer Ellis Peak Lake Tahoe Region Comment
  CAS-BOT-BC235189  Sambucus racemosa var. racemosa A. A. Heller 1916-8-13 12903 Placer Summit hotel 2133 Comment
  RSA0093628  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2012-6-19 19214 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  SD247498  Sanguisorba minor subsp. muricata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20802 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5'Q) 768 Comment
  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
  SD243200  Sanguisorba officinalis George K. Helmkamp, E. A. Helmkamp 2010-7-28 16640 Placer Northern Sierra Nevada Mountains: Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road. 1566 Comment
  UCSB32297  Sanicula bipinnata Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  CHSC3874  Sanicula bipinnatifida Gary Dutton 1966-3-21 135 Placer Found on Lincoln cut-off to Newcastle. Two miles from Lincoln. Comment
  SFV11645  Sanicula bipinnatifida M. L. Vincent 1965-4-11 605 Placer 1 mile north of Marysville on Highway 99E. Roadside. 20 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
  UC106111  Sanicula graveolens C. F. Sonne 1893-6-11 Placer Sierra Nevada Mountains, road to Lake Tahoe Sierra Nevada Mountains Comment
  UC174164  Sanicula graveolens C. F. Sonne 1886-6-6 Placer Sierra Nevada Mountains, road to Tahoe Sierra Nevada Mountains Comment
  UCSB32300  Sanicula graveolens Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  JEPS126306  Sanicula tuberosa Steve Matson 2003-7-6 830 Placer Truckee River Watershed SW of Truckee; Squaw Valley; Shirley Canyon; along Granite Chief Trail to PCT (Pacific Crest Trail). Comment
  POM263629  Sanicula tuberosa L. S. Rose 1941-7-18 41323 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  UC171012  Sanicula tuberosa C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UCD21591  Sanicula tuberosa E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1254 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  UCD21674  Sanicula tuberosa Beth Lowe Corbin 1982-8-9 276 Placer 1/4 mile SW of Onion Creek campground. 1859 Comment
  UC21766  Sarcodes sanguinea C. F. Sonne 1896-6-6 Placer Woods R. Comment
  POM260122  Scandix pecten-veneris C. L. Hitchcock 1940-5-7 6353 Placer ca. 1 mile west of Baxter Comment
  SD240826  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2010-4-17 15876 Placer Foothills, Northern Sierra Nevada Mountains: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 313 Comment
  SD240827  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2012-3-31 18664 Placer Northern Sierra Nevada Mountains Foothills: Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing (Auburn 7.5'Q) 257 Comment
  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
  CDA3394  Scleranthus annuus G. D. Barbe 1985-7-15 4239 Placer Meadow Vista Community Park, 10 miles east of Auburn. 0 Comment
  SEINET238355 Image available Scribneria bolanderi Beecher Crampton 1953-4-21 1116 Placer 2 miles north of Lincoln, Sunnybrook Farms. Comment
  UCD92480  Scribneria bolanderi Beecher Crampton 1953-4-21 1116 Placer 2 miles north of Lincoln, Sunnybrook Farms. Comment
  UC1748299  Scutellaria californica James D. Jokerst 1988-6-6 3008 Placer Long Creek Hydro Project, ca 1 mi W of Ramsey Crossing, N of Long Canyon Creek Comment
  CAS-BOT-BC65014  Sedum lanceolatum C. F. Sonne 1885-7-12 106 Placer Anderson's Peak and Tinker's Knob 2895 Comment
  UCD102044  Sedum obtusatum Beth Lowe Corbin 1982-8-10 299 Placer 1.25 miles WNW of Onion Creek Campground. 1981 Comment
  UCR235594  Sedum spathulifolium George K. Helmkamp, E. A. Helmkamp 2012-5-5 18923 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 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
  UCD135983  Selaginella hansenii A. S. Crafts 1940-12-10 s.n. Placer Near Auburn. Comment
  UCD159864  Selaginella wallacei G. Ledyard Stebbins 1970-7-12 7052 Placer Bear River Canyon, 2 miles north of Alta. 1097 Comment
  CAS-BOT-BC69721  Selaginella wallacei G. Ledyard Stebbins 1969-11-30 6981 Placer Shirttail Canyon on Colfax - Forest Hill Road. 365 Comment
  UCD21788  Senecio Rex Palmer 1979-6-9 N 162 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  UC829681  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer ca 1.0 mi w Baxter Comment
  CAS-BOT-BC363905  Senecio integerrimus var. exaltatus M. S. Jussel 1928-6-25 s.n. Placer Tahoe City Comment
  CAS-BOT-BC363909  Senecio integerrimus var. exaltatus Alice Eastwood 1912-6-15 418 Placer Five-lakes [Five Lakes], Lake Tahoe Region Comment
  CAS-BOT-BC363999  Senecio integerrimus var. major John Thomas Howell 1925-6-27 1192 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  CDA13679  Senecio serra var. serra G. F. Hrusa, J. Glazner 1997-8-3 14039 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd., along Squaw Valley Rd. Comment
  CAS-BOT-BC364390  Senecio triangularis A. A. Heller 1919-7-26 13313 Placer Summit meadows west of Donner Pass 2072 Comment
  UCD43325  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 693 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43853  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1219 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC364387  Senecio triangularis H. M. Evans 1918-7-24 s.n. Placer Tahoe region. Mud Lake Comment
  UC1999910  Sericocarpus oregonensis subsp. californicus J. C. Semple, B. Semple 1995-9-20 10477 Placer Dutch Flats, Main Street; 1.3 km NE of Post Office. Comment
  UCD92677  Setaria faberi G. Douglas Barbe 1974-11-26 1984 Placer southeast corner of Newcastle Road and Brenner Road. Newcastle. Comment
  SACT002089  Setaria glauca D. Meyer 1984-7-9 Placer Pear and plum orchard. 206.0 Comment
  CAS-BOT-BC243550  Setaria parviflora David D. Keck 1932-7-1 1596 Placer 2 miles N. of Auburn on Nevada City Road 426 Comment
  CDA37052  Sherardia arvensis CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CAS-BOT-BC213132  Sidalcea Emily K. Mcpherson 1976-9-19 76283 Placer One mile east of Talbot Campground, open area near Middle Fork American River, Sierra Nevada 1767 Comment
  UCD116760  Sidalcea Frederica Bowcutt 1994-7-22 1946 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 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
  UC662663  Sidalcea glaucescens L. S. Rose 1941-7-14 41314 Placer Homewoods , Homewood (Lake Tahoe) 1900 Comment
  UCD21607  Sidalcea glaucescens E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1276 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
  OBI2962  Sidalcea glaucescens Lewis S. Rose 1968-7-20 68187 Placer 2 mi E of Cisco Grove 1768 Comment
  UCR241354  Sidalcea malviflora subsp. asprella George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19821 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.7 mile north of Robinson Flat Campground, about 26 miles northeast of Foresthill, Tahoe National Forest 2034 Comment
  UCD21605  Sidalcea oregana subsp. spicata E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1270 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
  SEINET9006191  Sidalcea oregana var. spicata P. B. Kennedy, S. B. Doten 1901-8-18 441 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  SEINET6165298  Sidalcea pedata Unknown 1982-1 Placer Comment
  SCFS1208  Silene E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Off s. slope near top. Comment
  UC196791  Silene californica C. F. Sonne 1891-5-17 Placer Colfax Comment
  UCR173250  Silene californica George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10457 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  UCR231854  Silene californica George K. Helmkamp, E. A. Helmkamp 2010-8-11 16765 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 3.7 miles north of Forest Hill Road 1140 Comment
  UCR250344  Silene californica George K. Helmkamp, Mary Alice Barnes 2013-4-18 20365 Placer Northern Sierra Nevada Mtns Foothills, Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar 512 Comment
  SEINET5726594 Image available Silene californica Allen Fone 1975-1 43 Placer 2.1 miles west of Auburn-Foresthill Road Comment
  SEINET5726595 Image available Silene californica J. F. Addicott 1965-1 55 Placer on east side of Interstate Highway 80, .3 mile north of Colfax.; Colfax 732 Comment
  UC8424  Silene californica Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC249052  Silene douglasii George K. Helmkamp; E. A. Helmkamp 2010-8-14 16772 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  JEPS111182  Silene douglasii Steve Matson 2005-6-19 1305 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and just north of Martis Creek. 39.2957 N, 120.1382; Elevation 5850 ft. 1783 Comment
  JEPS59423  Silene douglasii Ezra Brainerd and Viola B. Baird 1915-7-25 143 Placer along trail to the Garden of the Gods Deer Park; Sierra Nevada Mts., Deer Park 2011 Comment
  UC1283705  Silene douglasii Beecher Crampton 1964-7-21 7123 Placer 1 mi e Cisco Grove; e of Cisco Grove 1737 Comment
  POM101045  Silene douglasii var. douglasii H. M. Hall 1910-7-4 8742 Placer Near Cisco. 1890 Comment
  CAS-BOT-BC389369  Silene lemmonii Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap Comment
  SCFS11529154  Silene occidentalis E. Krimmel 2014-6-26 Placer Dry opening in conifer forest. Comment
  SD240950  Sisymbrium officinale George K. Helmkamp, E. A. Helmkamp 2010-4-17 15875 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 313 Comment
  SACT002100  Sitanion hystrix D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT002214  Sitanion hystrix D. Meyer 1983-7-24 Placer North of Interstate 80, roadside. 909.0 Comment
  SACT002224  Sitanion hystrix D. Meyer 1983-6-18 Placer Rock outcrop 1414.0 Comment
  SACT002225  Sitanion hystrix D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT002231  Sitanion hystrix D. Meyer 1984-7-8 Placer Roadside 1758.0 Comment
  SACT002255  Sitanion jubatum Michael Baad 1983-6-27 Placer 1219.2 Comment
  CDA5936  Solanum dimidiatum Clark, Margaret Bellue 1945-10-11 Placer Southern Pacific yards, Roseville. 0 Comment
  CDA36811  Solanum elaeagnifolium D. B. Joley Sep 1976 1 Placer Sierra College Blvd. and Douglas Blvd., southwest corner. 0 Comment
  SCFS1169  Solidago E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Creekside at Chickering. Comment
  RSA122319  Solidago canadensis subsp. elongata B. Bolt 1934-8-22 186 Placer Grayhorse Flat, west of Lake Tahoe. 1982 Comment
  SD234327  Solidago canadensis subsp. elongata G. K Helmkamp, E. A. Helmkamp 2007-9-14 12964 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 15 miles E of Foresthill (Michigan Bluff 7.5' Q) 832 Comment
  CAS-BOT-BC365505  Solidago elongata H. M. Hall 1910-7-10 8749 Placer Sierra Nevada Mountains. Cisco 1828 Comment
  JEPS126408  Solidago elongata Steve Matson 1998-8-18 370 Placer Tahoe north shore Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course along trails. 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
  UC1070239  Solidago elongata B. Bolt 1934-8-22 186 Placer Grayhorse Flat Truckee Quad., , Grayhorse Flat (Tahoe National Forest) Comment
  UCD83589  Solidago elongata Albert Grigarick 2009-8-7 158 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1938 Comment
  OBI77755  Solidago velutina subsp. californica Robert F. Hoover 1967-9-5 10836 Placer Carnelian Bay, Lake Tahoe Comment
  CDA37238  Sonchus asper CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UC511316  Sparganium angustifolium Lyman Benson 1932-7-31 4014 Placer Donner Lake Sierra Nevada, Truckee River (Truckee River watershed) 1889 Comment
  UCD150464  Spergula arvensis James A. Neilson Jr. 1971-9-9 2599 Placer Tahoe Basin, Tahoe City, McBride's Nursery / Tahoe Tree Company. 1889 Comment
  UCD34130  Spergula arvensis Beecher Crampton 1977-3-8 9452 Placer Placer County, S.W. of Lincoln along Fiddyment road. Comment
  CAS-BOT-BC390111  Spergularia bocconi Gordon H. True 1971-4-21 6532 Placer Auburn Ravine just west of Lincoln 49 Comment
  UC1601325  Sphaeromeria potentilloides var. potentilloides W. D. Bliss June 1888 Placer Tahoe Comment
  UCD128093  Sphenosciadium capitellatum Rex Palmer 1983-11-10 N 895 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR206673  Spiraea densiflora George K. Helmkamp, E. A. Helmkamp 2009-7-16 15193 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  CAS-BOT-BC152531  Spiraea splendens Elsie Z. Lovegrove 1950-10-17 s.n. Placer Rd. to Lily Lake Comment
  UCD33482  Sporobolus cryptandrus Beecher Crampton 1968-9-18 8384 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 Comment
  UCD93120  Sporobolus cryptandrus Beecher Crampton 1967-7-26 8157 Placer 1 mile NE of Colfax, Interstate Hwy. 80W. 762 Comment
  SEINET3163883  Spraguea umbellata H. A. Walker 1908-6-23 1207 Placer Blue Canon Station, in the Sierra Nevada 1470 Comment
  JEPS127473  Stachys ajugoides Steve Matson 1998-7-15 373 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west fork. Comment
  RSA175346  Stachys albens Marcus E. Jones 1903-6-28 s.n. Placer Emigrant Gap Comment
  UCD43327  Stachys rigida subsp. rivularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 695 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC175328  Stellaria borealis subsp. sitchana Lewis S. Rose 1944-7-25 44263 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  UCD99342  Stellaria calycantha G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12056 Placer Northern Sierra Nevada Mountains. Along Forest Hill Road, 11.1 miles northeast of Foresthill. Comment
  CAS-BOT-BC391176  Stellaria longipes subsp. longipes John H. Thomas; Hazelle A. Thomas 1956-7-21 6221 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC391177  Stellaria longipes subsp. longipes Peter Rubtzoff; Edward W. Colson 1976-7-7 8733 Placer Lake Norden 2063 Comment
  UCR170977  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-9 10041 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  UCR171735  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-9 10059 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 Comment
  POM33071  Stephanomeria lactucina Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UC485636  Stephanomeria lactucina H. M. Hall 1910-7-10 8751 Placer near Cisco station; Sierra Nevada Mountains 1828 Comment
  CAS-BOT-BC375612  Stephanomeria lactucina unspecified No date on label 12893 Placer Summit Station 2121 Comment
  SACT002309  Stipa californica D. Meyer 1983-7-16 Placer 1853.18 Comment
  SD279  Stipa eminens Unknown May 1914 13 40 Placer Cisco. Comment
  OBI20289  Stipa occidentalis var. californica Robert F. Hoover 1967-9-7 10854 Placer Antone Meadow Comment
  SEINET10893292  Stipa stillmanii Smith 1931-6-21 Smith 2557 Placer Shallow, loose, loam soil. East slope. trail below pine Nut, Duncan Canyon; ca 11 miles east 9northeast) of Michigan bluff 1524 Comment
  CAS-BOT-BC87766  Streptanthus tortuosus Betty J. jorgensen 1944-7-2 513 Placer Along summit near Donner Pass. Comment
  RSA437612  Streptanthus tortuosus K. Thorne, J. Chandler 1987-6-26 5432 Placer Squaw Valley Ski Resort. Comment
  SCFS1188  Streptanthus tortuosus E. Krimmel, F. Felix 2014-6-2 Placer North Fork American River. Top of Foresthill Rd. Comment
  SEINET4891941  Streptanthus tortuosus P. B. Kennedy, S. B. Doten 1901-8-15 291 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  UC147610  Streptanthus tortuosus var. orbiculatus Harriet A. Walker 1908-6-26 1302 Placer Cisco 1810 Comment
  SEINET5505738 Image available Styrax officinalis var. californicus Evert I. Schlinger 1952-1 95 Placer 2 miles east of Auburn Comment
  CDA11991  Styrax officinalis var. redivivus G. F. Hrusa 1995-5-2 12172 Placer Sierra Nevada; below Mosquito Ridge Rd. approx. 1 km. east of crossing of North Fork of Middle Fork of the American River. Comment
  UC877966  Styrax officinalis var. redivivus Mary Elizabeth Jump 1939-5-15 Placer road to Foresthill; road to Foresthill Comment
  UCR115100  Styrax officinalis var. redivivus G. Fred Hrusa 1995-5-20 12172 Placer Below Mosquito Ridge Road c. 1 km east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. 500 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
  CAS-BOT-BC47708  Styrax redivivus G. W. Dunn s.n. Placer Auburn Comment
  SJSU2076  Styrax redivivus F. J. Santana 1958-5-10 78 Placer c. 2 mi from Auburn, Sierra Nevada foothills 426 Comment
  UCD67979  Styrax redivivus Linda A. Bell 1975-5-24 173 Placer Highway 49, 2 miles South-East of Auburn. 457 Comment
  CAS-BOT-BC245734  Symphoricarpos rotundifolius A. A. Heller 1909-7-16 9846 Placer Summit 2133 Comment
  JEPS59429  Symphoricarpos rotundifolius var. rotundifolius Ezra Brainerd and Viola B. Baird 1915-7-15 149 Placer Fire Lakes; Sierra Nevada Mts. 2298 Comment
Read comments
Nov 20 2014
  CAS-BOT-BC97553  Symphyotrichum ascendens Margaret Williams 1974-8-8 74 -P1-30 Placer [Murphy's] Murphy Meadow, 5 miles southeast of Hirschdale 2316 Comment
  UCD69248  Symphyotrichum bracteolatum D. Sanchez-Mata 1997-8-9 Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. 1500 Comment
  SEINET9289579  Symphyotrichum eatonii Unknown 2000-9-3 15665 Placer Placer Comment
  UCD21698  Symphyotrichum spathulatum Beth Lowe Corbin 1982-8-3 183 Placer Onion Creek campground. In wet meadow. Perennial with rhizomes. Ray flowers purple, disc yellow. Full sun. SW slope. Locally abundant. 1841 Comment
  CAS-BOT-BC98484  Symphyotrichum spathulatum R. F. Hoover 1967-9-6 10848 Placer Kings Beach, Lake Tahoe Comment
  UC53989  Symphyotrichum spathulatum Chesnut and Drew 1898-8-8 Placer Cascade Lake Tahoe Comment
  CHSC73928  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-17 98 -050 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74198  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-29 98 -151 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC74203  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-9-4 98 -265 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  POM289884  Taraxacum officinale Lyman Benson 1942-7-2 11250 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CAS-BOT-BC376911  Taraxacum officinale Lyman Benson 1942-7-2 11250 Placer Junction of U.S. 40 and the Truckee River Road to Lake Tahoe, Sierra Nevada, Truckee River 1828 Comment
  JEPS127461  Taraxia subacaulis Steve Matson 1998-5-24 212 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 500 meters north of Highway 267, 100 meters east of Martis Creek. Comment
  POM82681  Tauschia kelloggii Marcus E. Jones 1882-7-4 s.n. Placer Colfax Comment
  SEINET5779710 Image available Tauschia kelloggii Marcus E. Jones 1882-1 Placer Colfax Comment
  CAS-BOT-BC392400  Thalictrum fendleri Alice Eastwood 1909-1-1 58 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC392403  Thalictrum fendleri Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco Comment
  JEPS45854  Thalictrum fendleri L. S. Smith 1931-6-3 2552 Placer below Duncan Fork; Tahoe <National> Forest, Flat Ravine 1981 Comment
  SEINET8702543  Thalictrum fendleri P. B. Kennedy, S. B. Doten 1901-8-19 422 Placer Talbots Home Camp, 7 miles from French Meadows. 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
  CHSC74252  Thalictrum fendleri var. polycarpum Susi Urie; Eric Schroder 1998-9-12 98 -368 Placer Lake Tahoe Basin--National Forest. Meadow complex on the south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UC188094  Thelypodium crispum C. F. Sonne 1886-7-11 Placer McFarland's old mill, road to Hot Springs Comment
  HSC27260  Thysanocarpus curvipes J. P. Smith 1972-3-22 5092 Placer Bridge over N Fork of American River. Comment
  SEINET12476703  Thysanocarpus curvipes D. K. Worley, H. Mozingo 1977-3-19 s.n. Placer Old road, N of Hwy 49, N of the confluence of North and Middle Forks of American River. 305 Comment
  CAS-BOT-BC67323  Thysanocarpus radians M. K. Curran 1884-1-1 s.n. Placer Roseville. Comment
  CHSC96505  Thysanocarpus radians Lowell Ahart; Brian Williams 2007-4-13 13671 Placer Waste area about 50 yards north of the Manzanita Cemetery, about 3 1/3 miles north of Lincoln. 37 Comment
  UC727069  Thysanocarpus radians A. A. Heller 1940-4-8 15534 Placer one mi n Sheridan Comment
  UCR173253  Torilis arvensis George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10452 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
  JEPS148  Torilis nodosa W. H. Shockley June 1886 Placer Auburn Comment
  NY17673  Torreya californica F. A. MacFadden 1934-8-20 s.n. Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1134358  Torreya californica N. French 1933-10-18 108 Placer Yankee Jim Colfax Quad., Yankee Jim 609 Comment
  UCD124139  Torreya californica Ellen Dean; Davis Botanical Society members 2012-10-13 7513 Placer Along Mosquito Ridge Road, ca. fourteen road miles E of junction with Foresthill Road. Comment
  UC1729949  Torreyochloa pallida var. pauciflora L. P. Janeway, Eric Schroder 1998-9-16 6330 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  UCD43331  Torreyochloa pallida var. pauciflora C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 699 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC172898  Toxicodendron diversilobum John Thomas Howell; Gordon H. True 1972-3-17 7076 Placer Just south of Auburn Ravine, 1 1/2 miles west of Lincoln 48 Comment
  HSC3172  Toxicodendron diversilobum Thomas Morley 1946-5-30 594 Placer NE of the Masonic Cemetery, Dutch Flat. 1006 Comment
  UCSB25993  Toxicodendron diversilobum Morley, Thomas 1946-5-30 Placer Northeast of the Masonic Cemetery, Dutch Flat 1005 Comment
  SCFS11529150  Toxicoscordion venenosum E. Krimmel 2014-6-26 Placer In seep beside road at Cedars driveway Comment
  CDA19569  Tragopogon dubius M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 242 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  UCR253575  Tragopogon porrifolius George K. Helmkamp, Amy Barnes 2014-4-23 22801 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
  CDA37177  Tribulus terrestris D. B. Joley Jul 1975 1 Placer Loomis area. 0 Comment
  UCR257640  Trichostema lanceolatum George K. Helmkamp, Elizabeth Helmkamp 2012-10-13 20016 Placer Sacramento Valley, Granite Bay, Folsom Lake; Park Road 1.8 miles north of the east end of Douglas Blvd. 146 Comment
  CDA15935  Trichostema oblongum G. F. Hrusa, J. Glazner 1999-7-17 15158 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD125881  Trichostema oblongum J. M. Tucker 1975-7-28 4352 Placer Ca. 100 yards west of the road in to 'The Cedars', private holding on the upper North Fork of the American River, ca. 6 miles (airline) south of Soda Springs (Nevada County). 1798 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
  UCD14399  Trientalis latifolia R. Schulhof 1984-5-19 25 Placer Placer Co.; along Road 193, 14 miles southwest of Georgetown yellow pine forest habitat; 1219 Comment
  UCR177232  Trifolium George K. Helmkamp, E. A. Helmkamp 2005-9-30 9966 Placer Northern Sierra Nevada Mtns., c. 3.5 mi NW of Lake Tahoe; Along the Truckee River and Calif. Highway 89, 0.1 mi N of Alpine Meadows Road 1902 Comment
  UC187962  Trifolium albopurpureum var. olivaceum Katharine Curran April 1883 Placer Penryn Comment
  CDA37245  Trifolium campestre CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD75820  Trifolium cyathiferum Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5174 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail by creek. 2145 Comment
  HSC82235  Trifolium depauperatum Thomas W. Nelson 1979-4-10 4579 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  UCD33050  Trifolium depauperatum Beecher Crampton 1966-4-14 7644 Placer North of Lincoln. Comment
  UCD108825  Trifolium dubium G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10453 Placer Northern Sierra Nevada. Ca. 4 air miles NE of Auburn, along an unnamed road to Lake Clementine, 1.2 miles N of Forest Hill Road. 422 Comment
  UCD39210  Trifolium dubium Beecher Crampton 1953-5-26 1341 Placer 2 miles N of Lincoln, Chamberlain Ranch. 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
  UCR250069  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20488 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  CDA37045  Trifolium glomeratum CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  RSA31983  Trifolium gracilentum A. A. Heller 1940-4-20 15537 Placer Whitney Station south of Lincoln along US Hwy 99. Comment
Read comments
Mar 28 2011
  CAS-BOT-BC438829  Trifolium hirtum George K. Helmkamp; Mary Alice Barnes 2013-5-3 20472 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  CDA37246  Trifolium hirtum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  RSA782369  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2010-4-23 15907 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  SEINET11261554  Trifolium hirtum George Helmkamp, E. A. Helmkamp 2011-4-10 17156 Placer In Sacramento Valley along Riosa Road at the E edge on the village of Sheridan.; 0 41 Comment
  UCD111214  Trifolium hirtum Michael A. Vincent 1999-6-12 8634 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. Comment
  UCD111229  Trifolium hybridum R. Tofsrud 1951-7-11 s.n. Placer Cisco Grove. Comment
  JEPS71994  Trifolium longipes Gladys L. Smith 1972-6-18 3142 Placer Alpine Meadows 2072 Comment
  UCD111274  Trifolium longipes R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  UCD43889  Trifolium longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1255 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CDA15987  Trifolium longipes subsp. elmeri G. F. Hrusa, J. Glazner 1999-7-17 15167 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS29496  Trifolium longipes var. hansenii C. F. Sonne June 1886 55 Placer Donner Lake Sierra Nevada (Truckee) Comment
  UC125093  Trifolium monanthum subsp. parvum Katharine Brandegee July 1908 Placer near Cisco Comment
  UC866899  Trifolium monanthum subsp. parvum Lewis S. Rose 1941-6-12 41307 Placer Chambers Lodge (McKinney) Lake Tahoe Comment
  UC148970  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-3 8737 Placer New Emigrant Gap Sierra Nevada Mtns 1645 Comment
  SBBG3847  Trifolium pratense E. R. Blakley 1960-9-3 3816 Placer Kings Beach, Lake Tahoe 1905 Comment
  CDA4321  Trifolium pratense Hanley 1956-6-2 Placer Placerville/Lincoln 0 Comment
  CAS-BOT-BC230181  Trifolium productum C. F. Sonne 1886-7-18 56 Placer Woods on Truckee River Comment
  UC450025  Trifolium repens Katharine Brandegee Aug. 1911 Placer Tahoe Tavern Comment
  UCR249534  Trifolium tomentosum George K. Helmkamp, Amy Barnes 2013-3-28 20299 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  HSC82226  Trifolium variegatum Thomas W. Nelson 1979-4-10 4576 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  POM27839  Trifolium variegatum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  RSA0039075  Trifolium wormskioldii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20363 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  UCD38500  Trifolium wormskioldii Beecher Crampton 1955-7-13 3013 Placer Bear Valley, along State Hwy. 20, 1.5 mile north of Emigrant Gap, Placer-Nevada Co. line. 1371 Comment
  CHSC78109  Trillium angustipetalum Caleb E. Casey 1999-5-16 Placer Elliott meadow, Forest Service road 26. 1280 Comment
  SEINET13750242  Triphysaria eriantha P. A. Lehenbauer 1937-4-11 s. n. Placer Auburn Comment
  UC718457  Triphysaria eriantha subsp. eriantha Carl B. Wolf 1937-3-30 8345 Placer on Penryn Road 4 8/10 mi e Lincoln; Sacramento Valley, e of Lincoln 91 Comment
  SD248499  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, Amy Barnes 2013-3-28 20297 Placer Eastern Sacramento Valley: northwest side of junctionof Riosa Road and Andressen Road, northeast of Sheridan. 35 Comment
  UCR234216  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 76 Comment
  CDA15658  Trisetum canescens G. F. Hrusa, J. Glazner 1999-7-18 15195 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC79894  Trisetum projectum G. F. Hrusa; J. Glazner 1999-7-18 15195 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89 and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1889 Comment
  SACT002447  Trisetum spicatum var. projectum Michael Baad 1976-8-7 Placer 2072.0 Comment
  CDA37059  Triteleia hyacinthina CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  RSA27140  Triteleia hyacinthina C. L. Hitchcock 1940-5-14 6378 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  CAS-BOT-BC522022  Triteleia hyacinthina Eliz. Parsons Hawver 1915-5-1 s.n. Placer Auburn Comment
  SD43643  Triteleia hyacinthina Darley F. Howe 1948-5-21 Placer No further locality information given on label on specimen sheet. 456 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
  UCD82835  Triteleia ixioides Robin McMaster 1973-6-2 458 Placer 2 mi from Lake Spaulding. Comment
  CAS-BOT-BC524217  Triteleia ixioides subsp. anilina John H. Thomas; Hazelle A. Thomas 1956-7-21 6138 Placer Donner Pass, 80 miles northeast of Sacramento 2377 Comment
  UC3295  Triteleia ixioides subsp. scabra C. F. Sonne 1891-5-17 4 Placer Auburn to Newcastle; Sierra Nevada Mountains Comment
  JEPS64253  Triteleia ixioides subsp. unifolia R. E. Arp 9 Placer Roseville Comment
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  UC1600831  Triteleia ixioides subsp. unifolia N. French 1933-5-19 62 Placer near Iowa Hill; Colfax Quad. 822 Comment
  SEINET4691679  Triteleia laxa George K. Helmkamp, E. A. Helmkamp 2011-1 17139 Placer Sacramento Valley: east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road. 98 Comment
  RSA666486  Tropidocarpum gracile Barbara Ertter, Niall McCarten, Tom Fraser 1991-3-29 9718 Placer 2-3 miles S of Lincoln 46 Comment
  SBBG122977  Tropidocarpum gracile B. Ertter, N. McCarten, T. Fraser 1991-3-29 9718 Placer 1-2 mi S of Lincoln 45 Comment
  UC1134191  Tsuga mertensiana R. Wilson 1934-9-20 76 Placer Granite Chief Peak Tahoe National Forest, Truckee Quad., Granite Chief Peak 2743 Comment
  UC1134192  Tsuga mertensiana N. French 1933-9-13 97 Placer Bald Mountain Tahoe National Forest, Colfax Quadrangle Comment
  UCD23236  Tsuga mertensiana Beth Lowe Corbin 1982-8-23 410 Placer 2 miles southwest of The Cedars. 2133 Comment
  UCR198119  Tunica prolifera K. A. Bear 1978-5-13 49 Placer 3.7 mi northeast of the junction of Hwy 49 and Forest Hill Road, on Forest Hill Road 474 Comment
  SEINET3860289  Umbellularia californica George K. Helmkamp, Mary Alice Barnes; Mary Jane Ganibe 2010-7-2 16419 Placer Sierra Nevada Mountains Foothills: Yankee Jims Road, 3.2 miles southeast of its junction with Canyon Way, 4.4 air mi. SE of Calfax.; 0 412 Comment
  UCD83649  Urtica dioica Albert Grigarick 2009-9-10 202 Placer Squaw Valley Resort, ca. 0.25 miles W of Squaw Village. 1920 Comment
  CHSC96506  Urtica urens Lowell Ahart; Brian Williams 2007-4-13 13656 Placer On damp granite soil, under a large blue oak tree, about 1/8 mile northeast of GPS location, 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
  CDA15664  Valeriana californica G. F. Hrusa, J. Glazner 1999-7-18 15206 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1920 Comment
  CHSC108748  Valeriana californica B. Castro; L. P. Janeway 2003-8-24 1448 Placer Northern High Sierra Nevada. Along the Pacific Crest Trail 1.3 air mi N of Barker Pass; on N-facing slope overlooking headwaters of North Fork Blackwood Creek. 2468 Comment
  CAS-BOT-BC528011  Veratrum californicum var. californicum F. Almeda 1993-7-24 7266 Placer 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2133 Comment
  UCR200870  Verbascum thapsus George K. Helmkamp, E. A. Helmkamp 2008-9-15 14116 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  UCR171027  Verbena bonariensis George K. Helmkamp, E. A. Helmkamp 2006-2-24 10073 Placer Northern Sacramento Valley, Wise Road just east of its junction with Calif. Highway 65; c. 1 mi SE of Ewing 47 Comment
  UCR188849  Veronica arvensis George K. Helmkamp, E. A. Helmkamp 2007-3-25 11707 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
  JEPS71769  Veronica cusickii Gladys L. Smith, Betsy Wilson 1972-8-26 3602 Placer ne face of Granite Chief (off the trail and down glacial stairsteps) 2560 Comment
  SCFS11529158  Veronica cusickii E. Krimmel 2014-8-7 Placer Base of granite cliffband Comment
  POM43937  Veronica serpyllifolia var. humifusa Marcus E. Jones 1882-7-1 2826 Placer Emigrant Gap. Comment
  UC867109  Vicia americana var. americana Marcus E. Jones, A. M. 1882-6-27 3295 Placer Emigrant Gap Comment
  RSA791744  Vicia hirsuta George K. Helmkamp, E. A. Helmkamp 2012-5-5 18916 Placer Northern Sierra Nevada Mountains Foothills: Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air miles southest (123 degrees) of Clementine Dam on the American River. 396 Comment
  CDA37175  Vicia sativa subsp. nigra CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  SDSU6689  Vicia villosa unknown 1948-5-21 Placer 457 Comment
  CDA37247  Vicia villosa subsp. villosa CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SEINET3828373  Vicia villosa subsp. villosa George K. Helmcamp, E. A. Helmkamp 2011-1 18481 Placer Sacramento Valley: North Brewer Road, 0.2 mile north of Nicolaus Road, 8.7 mi. west of Lincoln (Sheridan 7.5') 29 Comment
  UCR258242  Vicia villosa subsp. villosa George K. Helmkamp, Amy Barnes 2013-3-28 20242 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  UC1742348  Viola Milo S. Baker 1937-8-6 8733 Placer Cisco Grove, along Hwy 40 near cabin Comment
  JEPS30806  Viola adunca Miles Eaton 1945-6-13 28 Placer Big Meadows 1615 Comment
  UC838140  Viola bakeri A. A. Heller 1917-6-17 12704 Placer below Cisco (along the Yuba River); Yuba River 1676 Comment
  POM308853  Viola bakeri Betty J. Jorgensen 1944-7-12 515 Placer Soda Springs Comment
  SD44637  Viola douglasii Darley F. Howe 1951-5-2 Placer Placer Co. 456 Comment
  UCD21667  Viola glabella Rex Palmer 1979-6-19 N 273 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA26955  Viola lobata C. Leo Hitchcock 1940-5-7 6332 Placer 1 mile west of Baxter. Comment
  CAS-BOT-BC537091  Viola lobata Clare B. Hardham 1961-6-14 7361 Placer Sierra Nevada Mountains: Baxter, Rte 40 Comment
  SEINET188136 Image available Viola purpurea subsp. purpurea C. L. Hitchcock 1940-5-7 6331 Placer Ca 1 mi. W of Baxter Comment
  UC828639  Viola sheltonii A. A. Heller 1917-6-17 12711 Placer near the Yuba River (below Cisco) 1676 Comment
  UCD21678  Viola sheltonii Beth Lowe Corbin 1982-8-16 350 Placer 1/4 mile NW of The Cedars. 1828 Comment
  SD247520  Viola tomentosa George K. Helmkamp, Elizabeth A. Helmkamp 2012-6-19 19224 Placer Northern Sierra Nevada Mountains: Devil's Thumb Road [Deadwood Road], 1.2 miles south of its junction with Foresthill Road (Westville 7.5'Q) 1648 Comment
  UCD16246  Vitis H. Olmo; G. Ishizuka 1967-10-22 67 19 Placer California. Placer County: Central Placer Ranch in Ophir. Located in middle of ranch by Japanese Pear along west side of ravine. Comment
  UCD16245  Vitis vinifera H. Olmo; G. Ishizuka 1967-10-22 67 18 C Placer California. Placer County: along east bank of stream running south along Ridge Road in Gold Hill (between Newcastle and Lincoln). Comment
  UCD16247  Vitis vinifera H. Olmo; G. Ishizuka 1967-10-22 67 20 Placer California. Placer County: Central Placer Ranch in Ophir. Located in northwest corner on east bank of P.G.E. Creek (running north). Comment
  JEPS113244  Vulpia bromoides Lowell Ahart, Brian Williams 2007-4-13 13663 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
  UCD36146  Vulpia bromoides Beecher Crampton 1953-2-11 973 Placer Placer County, 2 miles north of Lincoln, on road to Sunnybrook Farm Hereford Ranch. Comment
  SACT002500  Vulpia microstachys var. ciliata Michael Baad 1983-5-7 Placer 2 miles east of Colfax, disturbed area, rocky opening. 978.0 Comment
  UCD36204  Vulpia microstachys var. confusa Beecher Crampton 1953-4-13 1097 Placer Placer County, 1 mile north of Lincoln, along railroad right of way near edge of Highway 99E. Comment
  SEINET11695740  Vulpia microstachys var. confusa Unknown 1953-4-13 1097 Placer 1 mi N of Lincoln, near edge of HWY 99E Comment
  SACT002502  Vulpia microstachys var. microstachys Michael Baad 1977-6-8 Placer 1570.6 Comment
  SACT002503  Vulpia microstachys var. microstachys D. Meyer 1983-6-25 Placer 1418.0 Comment
  CAS-BOT-BC184414  Vulpia microstachys var. pauciflora Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap Comment
  SACT002499  Vulpia microstachys var. pauciflora Michael Baad 1983-5-7 Placer 3.33 km east of Colfax. Disturbed rocky area. 978.0 Comment
  CDA37241  Vulpia myuros CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD36147  Vulpia myuros Beecher Crampton 1953-2-11 973 A Placer Placer County, 2 miles north of Lincoln, on road to Sunnybrook Farm Hereford Ranch. Comment
  CAS-BOT-BC185673  Vulpia myuros subsp. megalura John Thomas Howell; Gordon H. True 1968-6-9 44508 Placer Alta 1066 Comment
  CAS-BOT-BC185674  Vulpia myuros subsp. megalura Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4005 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  SACT002574  Vulpia myuros var. hirsuta D. Meyer 1983-4-17 Placer Small drainage ditch, moist sunny exposure. 231.648 Comment
  SACT002575  Vulpia myuros var. hirsuta D. Meyer 1984-5-6 Placer 145.5 Comment
  SEINET5483568 Image available Woodwardia fimbriata E. Neese 1980-10-15 9988 Placer Gold Run Rest area along I-80. Comment
  CAS-BOT-BC383168  Wyethia angustifolia Carl B. Wolf 1937-6-11 8776 Placer Sacramento Valley, 1 mi. No. of Lincoln 45 Comment
  CAS-BOT-BC383173  Wyethia angustifolia Carl B. Wolf 1937-5-12 8617 Placer Sacramento Valley, 1 mi. No. of Lincoln 45 Comment
  CAS-BOT-BC383174  Wyethia angustifolia R. F. Hoover 1965-6-24 9451 Placer 2 miles north of Auburn on road to Grass Valley (Highway 49) Comment
  CAS-BOT-BC383170  Wyethia angustifolia Mrs. H. C. Cantelow 1940-5-13 3062 Placer S.E. of Wheatland Comment
  CAS-BOT-BC383536  Wyethia mollis F. Almeda 1993-7-24 7281 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  UC1070494  Wyethia mollis B. Bolt 1934-7-6 86 Placer 1.5 mi se Monumental Hill; Tahoe National Forest, Colfax Quad. 1920 Comment
  CAS-BOT-BC383537  Wyethia mollis Le Roy Abrams 1911-7-27 4764 Placer Lake Tahoe Region. Luther's Pass 2377 Comment
  UC4081  Xerophyllum tenax Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  UC429209  Zigadenus exaltatus Francis Ramaley 1917-4-13 11098 Placer Lincoln Comment
  POM110446  Zigadenus venenosus var. venenosus Marcus E. Jones 1882-6-30 2894 Placer Emigrant Gap. Comment



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