Search Results — 2000 specimen records retrieved (1607 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR171349  Abies George K. Helmkamp, E. A. Helmkamp 2005-10-1 9995 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
  CDA37459  Abies concolor D. G. Kelch 2011-10-3 11 .82 Placer Tahoe City. Granlibakken Resort. Comment
  UCD22100  Acer glabrum Rex Palmer 1979-5-27 N 67 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC333260  Acer macrophyllum Saichi Kawahara 1969-5-24 881 Placer Old cabin, Mel Henderson Ranch, Indian Creek 999 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
  CAS-BOT-BC210686  Achnatherum lemmonii C. L. Hitchcock 1940-5-7 6314 Placer Ca. 1 mile west of Baxter Comment
  UCD50469  Achnatherum lemmonii A. A. Beetle 1941-5-26 2716 Placer Near Cisco. 914 Comment
  UCD50470  Achnatherum lemmonii Beecher Crampton 1955-6-15 2910 Placer 3/4 miles south of Yankee Jim, Placer County. 914 Comment
  CHSC74330  Achnatherum nelsonii subsp. dorei Susi Urie; Eric Schroder 1998-9-8 98 -276 Placer On north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 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
  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
  UC822001  Achnatherum occidentale subsp. californicum A. A. Heller 1917-8-14 12925 Placer s of Summit valley; Mt. Lincoln 2499 Comment
  UCD22223  Achnatherum occidentale subsp. californicum Rex Palmer 1979-6-21 N 356 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22219  Achnatherum occidentale subsp. occidentale Beth Lowe Corbin 1982-8-10 300 Placer 1 1/4 mile WNW of Onion Creek Campground. SE facing slope, 30% incline. Uncommon. Full sun. Open, granitic outcrop in montane chaparral. Bunchgrass, forming small tufts. 1981 Comment
  CAS-BOT-BC218037  Achnatherum stillmanii L. S. Smith 1926-6-3 1880 Placer Sugar Pine Range, Forest Hill District 914 Comment
  JEPS490  Achnatherum stillmanii L. S. Smith 1926-6-3 1880 Placer Sugar Pine Range Tahoe Forest (Forest Hill District) 914 Comment
  SEINET5327600  Acmispon americanus var. americanus W. D. Billings 1951-7-28 2134 Placer [Sierra Nevada] 20 mi. S. of Soda Springs. Comment
  CAS-BOT-BC204856  Acmispon argophyllus var. fremontii Marcus E. Jones 1882-7-3 3338 Placer Colfax Comment
  CAS-BOT-BC438835  Acmispon argophyllus var. fremontii George K. Helmkamp; Mary Alice Barnes 2013-5-3 20502 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill. 422 Comment
  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
  SEINET5327449  Acmispon nevadensis var. nevadensis F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe Comment
  CAS-BOT-BC391463  Aconitum columbianum subsp. columbianum Geo. B. Grant 1906-7-15 7009 Placer Tahoe Taern, Lake Tahoe Comment
  CHSC84702  Aconitum columbianum var. columbianum L. P. Janeway; B. Castro 2003-8-23 7965 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
  SD1177  Aconogonon davisiae C. F. Sonne Aug 1897 Placer Tinkers Knob Comment
  UCD33739  Acroptilon repens Beecher Crampton 1972-7-26 8851 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  JEPS60389  Actaea rubra Leland S. Smith 1931-5-12 2541 Placer Tahoe Forest 914 Comment
  CAS-BOT-BC29288  Adenocaulon bicolor I. L. Wiggins 1933-8-21 6784 Placer Shores of Lake Tahoe, near Tahoma Comment
  SCFS11529136  Adenocaulon bicolor E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. Comment
  SEINET6700629 Image available Adenocaulon bicolor P. B. Kennedy 1901-8-15 405 Placer Bear man's camp, 6 miles from French Meadows Comment
  JEPS44803  Adenostoma fasciculatum L. S. Smith 1932-5-11 Placer above Middle Fork American R. Forest Hill divide Comment
  UC1127712  Adenostoma fasciculatum N. French 1933-6-5 65 Placer e. Rocklin; Sacramento Quad. Comment
  UCD112618  Adenostoma fasciculatum G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10716 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
  SACT000031  Aegilops triuncialis D. Meyer 1983-6-5 Placer 982.98 Comment
  UC26070  Agastache urticifolia Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC29379  Ageratina occidentalis L. S. Smith 1925-9-13 1730 Placer Deer Park, Tahoe Forest 1950 Comment
  UC86229  Ageratina occidentalis C. F. Sonne 1894-9-2 Placer mountain summits above Summit Station; The Sierra Nevada Mountains 2438 Comment
Read comments
Aug 2 2009
  SCFS1171  Ageratina occidentalis E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Reserve. Comment
  RSA0049718  Agoseris aurantiaca var. aurantiaca Dean Wm. Taylor 2013-8-7 21394 Placer Coldstream Valley, just above Horseshoe Bend on the railroad mainline 1889 Comment
  JEPS126360  Agoseris monticola Steve Matson 2003-6-9 793 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards south of Martis Dam Road, 20 yards of airport creek, 200 yards NW of vernal pools near Highway 267. Comment
  SJSU4566  Agoseris monticola R. L. Fisher 1959-8-5 Placer Emigrant Meadow 2286 Comment
  CAS-BOT-BC13323  Agoseris retrorsa L. S. Smith 1925-4-16 1777 Placer Tahoe National Forest. Forest Hill Divide. 609 Comment
  CAS-BOT-BC13425  Agoseris retrorsa Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  UC891244  Agoseris retrorsa C. L. Hitchcock 1940-5-7 6325 Placer ca 1 mi w Baxter Comment
  UCD41293  Agoseris retrorsa Ellen Dean; Davis Botanical Society 2003-5-17 1756 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main St. 1066 Comment
  CAS-BOT-BC451160  Agrimonia gryposepala W. R. Dudley 1909-8-20 s.n. Placer Dutch Flat Station Comment
  CDA25690  Agrimonia gryposepala T. Barbato 1971-6-21 Placer Tony Barbato property, Meadow Vista. 0 Comment
  CDA1687  Agropyron desertorum T. C. Fuller 1964-9-1 12574 Placer Sierra Nevada; 0.1 mile west of Blue Canyon Road, north side of Interstate 80 freeway from Donner Summit. Comment
  SACT000046  Agropyron intermedium var. intermedium D. Meyer 1983-7-30 Placer South of Truckee in campground along river 1818.0 Comment
  SACT000058  Agropyron smithii D. Meyer 1983-8-7 Placer 4.64 km south of Placer Co line. Roadside. Elev. 1758. 1758.0 Comment
  SACT000060  Agropyron subsecundum Michael Baad 1983-7-23 Placer South of Truckee-Tahoe Airport, along north east side of highway 267 1767.84 Comment
  SACT000066  Agropyron trachycaulum Michael Baad 1976-7-14 Placer 1 mile east of Baker Ranch on Forest Hill Divide 1402.08 Comment
  SACT000077  Agropyron trachycaulum D. Meyer 1983-8-7 Placer Moist shady area, Louisiana Pacific Private Forest entrance 2000.0 Comment
  SACT000123  Agrostis avenacea Josephine Van Ess 1976-6-16 Placer Diamond Oaks Rd at small stream draining from golf course. Wet streambank. Roseville. 48.8 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
  SACT000129  Agrostis diegoensis D. Meyer 1984-7-29 Placer Poppy Campground. South of French Meadows Reservoir near boat ramp. Shady area. 1600.0 Comment
  CAS-BOT-BC127107  Agrostis exarata Lewis S. Rose 1944-7-26 44272 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  CAS-BOT-BC127108  Agrostis exarata 12891 Placer Summit Station. 2121 Comment
  RSA129619  Agrostis exarata H. S. Yates 1936-9-8 5987 Placer 2 miles SW of Martis PK. 2287 Comment
  SACT000088  Agrostis exarata D. Meyer 1984-9-9 Placer At the east fork of the North Fork of the North Fork of the American River 1394.0 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
  UCD124129  Agrostis exarata Ellen Dean; Marcel Rejmanek 2012-10-9 7503 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
  UCD52294  Agrostis exarata Beecher Crampton 1955-6-15 2889 Placer junction of Iowa Hill, Forest Hill road, 2.5 miles north Yankee Jim. Comment
  UCD36127  Agrostis exarata var. monolepis Beecher Crampton 1952-11-9 932 Placer Placer County, 7.5 miles east of Auburn, Meadow Vista. 457 Comment
  SEINET3916446  Agrostis idahoensis Ellen Dean, M. Starbuck; M. Bibbo; J. Poloske 2008-7-20 5247 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon.; 0 Comment
  UC725839  Agrostis idahoensis A. A. Heller 1919-7-24 13293 Placer near Cisco Comment
  SEINET3916466  Agrostis microphylla Beecher Crampton 1957-5-7 3998 Placer 1.7 miles east of Lincoln.; 0 Comment
  UCD53001  Agrostis oregonensis L. T. Burcham; H. W. Miller 1962-7-31 s.m. Placer 4 miles east of Ahart Camp Ground in French Meadows on upper middle fork of the American River. 1828 Comment
  CAS-BOT-BC138999  Agrostis pallens 12892 Placer Summit Station. 2121 Comment
  UC814990  Agrostis pallens unknown 12892 Placer Summit Station 2121 Comment
  UCD44504  Agrostis pallens C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1870 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD74165  Agrostis pallens Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-26 199 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from coniferous forest near active ski runs. 2190 Comment
  RSA129536  Agrostis scabra B. Bolt 1934-8-14 s.n Placer E. slope of Red Star Ridge 1768 Comment
  SACT000165  Agrostis scabra D. Meyer 1984-7-8 Placer Road to reservoir, roadside 1758.0 Comment
  SBBG26329  Agrostis scabra B. Crampton 1964-7-21 Placer Cisco Grove 1722 Comment
  RSA129605  Agrostis stolonifera B. Bolt 1934-8-14 5914 Placer E. slope of Red Star Ridge 1768 Comment
  UCD53578  Agrostis stolonifera R. Tofsrud 1951-7-1 s.n. Placer between Weimar and Colfax. Comment
  SACT000207  Agrostis stolonifera var. major D. Meyer 1983-7-30 Placer 1842.0 Comment
  SACT000245  Agrostis variabilis D. Meyer 1984-9-23 Placer Dry rocky top of north-facing slope 2315.0 Comment
  UCD53721  Agrostis variabilis R. Tofsrud 1951-7-1 s.n. Placer Hwy. 40, 5 mi. below Soda Springs. Comment
  UCD74169  Agrostis variabilis Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-25 203 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Trailblazer' ski run. 2156 Comment
  SEINET10790432  Agrostis variabilis A. Arthur Heller 1917-8-13 Heller 12913 Placer Ridge northwest of Donner Pass in coarse granite sand below a ledge of igneous rock, the neighboring forest composed of Abies magnifica. 2347 Comment
  SACT000229  Aira caryophyllea D. Meyer 1983-6-5 Placer Roadside ditch 829.056 Comment
  SACT000232  Aira caryophyllea D. Meyer 1984-8-4 Placer Meadow, mostly dry with a few springs 1454.0 Comment
  SACT000265  Aira caryophyllea Michael Baad 1983-5-7 Placer open rock hillside; south facing serpentine outcrop 426.7 Comment
  SEINET3884511  Allium bisceptrum Kaye H. Thorne, J. Chandler 1987-6-26 5433 Placer Squaw Valley Ski Resort.; 0 Comment
  UC710487  Allium campanulatum Lewis S. Rose 1944-7-13 44106 Placer Chambers Lodge Lake Tahoe, Chambers Lodge 1920 Comment
  UCD22047  Allium campanulatum Beth Lowe Corbin 1982-8-4 227 Placer 1/4 mile NW of Onion Creek Campground. 1981 Comment
  CAS-BOT-BC464522  Allium campanulatum D. E. Breedlove 1962-6-13 3546 Placer On the western bank of Lake Tahoe along State Hwy. 89, 8.3 miles south of Tahoe City 1889 Comment
  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
  UCD22040  Allium obtusum Rex Palmer 1979-6-21 N 365 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC474087  Allium platycaule John H. Thomas; Hazelle A. Thomas 1956-7-21 6091 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  CHSC46525  Allium platycaule Lowell Ahart 1964-7-3 12 Placer Along the trail to the Placer Queen Mine, north-east of Bald Mountain. 1676 Comment
  UCD149499  Allium sanbornii G. L. Stebbins 1978-5-28 7890 Placer West side of Big Crater. (Exact location unknown. Coordinates estimated by label maker.) 1280 Comment
  CAS-BOT-BC476705  Allium validum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadoes 1600 Comment
  UCR250083  Allophyllum gilioides subsp. gilioides George K. Helmkamp, Mary Alice Barnes 2013-5-3 20504 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
  UC702548  Allophyllum gilioides subsp. violaceum L. S. Rose 1941-7-9 41299 Placer Lake Tahoe, Chambers Lodge (McKinney) 2100 Comment
  SEINET4560780  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-1 18184 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  UCR229554  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-7-26 17903 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  UC193303  Allotropa virgata C. F. Sonne 1887-7-10 Placer Pine woods on Truckee River near Tinkers Knob 2590 Comment
  RSA463214  Alnus incana subsp. tenuifolia J. H. Nishida 1985-7-10 793 Placer Homewood. 1829 Comment
  SEINET5536271 Image available Alnus incana subsp. tenuifolia E. J. Kraus 1926-1 s.n. Placer Lake Tahoe Comment
  UC1093925  Alnus incana subsp. tenuifolia Herbert L. Mason 1929-10-4 5461 Placer on Hwy 40 1 mi n Cisco Comment
  UC1135174  Alnus incana subsp. tenuifolia B. Bolt 1934-7-12 111 Placer Devil's Peak Tahoe National Forest, Truckee Quadrangle Comment
  UCD22113  Alnus incana subsp. tenuifolia Beth Lowe Corbin 1982-8-2 166 Placer Onion Creek Campground. South facing slope. Full sun. All along Onion Creek, in mixed conifer forest. Tall shrub 1-2 m tall, with greyish bark. 1841 Comment
  UCD44503  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1869 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  RSA452774  Alnus rhombifolia Wm. Martin 1971-9-10 20228 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  SEINET12030196  Alnus tenuifolia J. H. Nishida 1985-1 793 Placer Homewood: Red Fir Forest 1829 Comment
  CDA28187  Alopecurus aequalis G. D. Barbe 1977-7-2 2284 Placer Along the shore of Martis Creek Lake, Day Use Area south of Truckee-Tahoe Airport. Comment
  CHSC97764  Amaranthus californicus Lowell Ahart 2007-11-13 14596 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan. 73 Comment
  UCD150263  Amaranthus hybridus James A. Neilson Jr. 1971-8-7 2309 Placer Heavenly Valley ski lift. 2118 Comment
  UCD128679  Ambrosia artemisiifolia Beecher Crampton 1959-9-17 5463 Placer Bowman, along U. S. Highway 40. Comment
  UCD37375  Ambrosia artemisiifolia Beecher Crampton 1959-9-17 5463 Placer Bowman, along U. S. Highway 40. Comment
  POM256331  Amelanchier pumila V. Newsom 1940-7-16 265 Placer On Hwy 2 miles of S Tahoe City. 1905 Comment
  CAS-BOT-BC136774  Amelanchier utahensis Mary P. Wells 1980-9-12 s.n. Placer Near Tahoe City, West end of Pioneer Way 1981 Comment
  SCFS11529119  Amelanchier utahensis E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UCR253125  Amsinckia retrorsa George K. Helmkamp, Amy Barnes 2014-4-23 22823 Placer Sierra Nevada Mountains Foothills, Foresthill Road, 0.6 mile northeast of Grizzly Bear House, c. 2 miles NE of Lake Clementine Rd, 0.57 mi. SW of Upper Lake Clementine Rd 526 Comment
  UCR123376  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 1999-6-29 5055 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
  SEINET9359457  Anaphalis margaritacea Unknown 2000-9-3 15661 A Placer Placer Comment
  UCD37506  Andropogon glomeratus Beecher Crampton 1960-11-2 5802 Placer Placer County, 1 mile southeast of Auburn, north slope above North Fork of American River, along State Highway 49. Comment
  JEPS72337  Anemone occidentalis Gladys L. Smith 1972-6-20 3251 Placer just below summit Ward Peak 2628 Comment
  UC1122887  Angelica breweri B. Bolt 1934-8-23 198 Placer Divide between Picayune and Grayhorse (Tahoe National Forest); Tahoe National Forest 2438 Comment
  UCR242342  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2010-7-28 16680 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road 1662 Comment
  JEPS111254  Antennaria dimorpha Steve Matson 2005-6-12 1267 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; 100 meters north of powerline, 300 meters NW of Golf Course; 39.2981 N, 120.1258 W; Elevation 5835 ft. 1778 Comment
  JEPS126309  Antennaria luzuloides subsp. luzuloides Steve Matson 2000-6-17 432 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267. Comment
  CAS-BOT-BC26982  Antennaria media Charles Frederick Sonne 1885-7-12 160 Placer Sierra Nevada Mts. Above Coldstream. Comment
  CAS-BOT-BC77285  Antennaria microphylla Geo. B. Grant 1906-7-15 7026 Placer Tahoe Tavern Comment
  CAS-BOT-BC84725  Anthemis cotula John Thomas Howell; Gordon H. True 1971-7-1 48317 Placer North limits of Lincoln 48 Comment
  UCD33741  Anthemis tinctoria Beecher Crampton 1972-7-26 8853 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  SACT000342  Anthoxanthum odoratum D. Meyer 1984-6-3 Placer 585.0 Comment
  UCR242999  Anthriscus caucalis Richard C. Schulhof 1984-5-19 22 Placer Sierra Nevada Mtns. Foothills, On Road 49, 3 miles south of Auburn [toward Cool] 671 Comment
  SD234269  Apocynum androsaemifolium G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12209 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 8.5 miles east of its junction with Forest Hill Road in Foresthill. 487 Comment
  UCD22107  Apocynum androsaemifolium Beth Lowe Corbin 1982-8-4 208 Placer 1/4 mile W of Onion Creek Campground. 1889 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
  SCFS1024  Apocynum cannabinum E. Krimmel 2014-7-5 Placer Beside seep next to driveway. Comment
  CAS-BOT-BC397905  Aquilegia formosa Alice Eastwood 1912-6-15 406 Placer Deer Park, Lake Tahoe Region. Comment
  UC9012  Aquilegia formosa C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  CAS-BOT-BC397900  Aquilegia formosa Marcus E. Jones 1893-1-1 2614 Placer Emigrant Gap. Comment
  CDA36918  Arabidopsis thaliana CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  RSA537721  Arabidopsis thaliana Barbara Ertter 1989-4-9 8196 Placer halfway down road to Lake Clementine (N Fork Lake) NE of Auburn. 305 Comment
Read comments
Nov 19 2015
  UCR270694  Arabis holboellii John F. Emmel 1998-7-9 1572 Placer Sierra Nevada Mountains, Donner Pass area, south peak of Mt. Judah 2513 Comment
  POM143042  Arabis lemmonii var. depauperata C. F. Sonne 1897-7-18 s.n. Placer Tinker s Knob 2744 Comment
  POM94623  Arabis rectissima Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UC1601421  Arabis rectissima var. rectissima Katharine Brandegee Placer Tahoe Tavern Comment
  UCD162747  Arctostaphylos Dylan O. Burge; J. Bisbee 2014-5-25 1631 Placer Bear River watershed, roadside on California State Route 20. 1430 Comment
  SEINET7258390  Arctostaphylos manzanita J. Schenk 1959-3-27 s.n. Placer 2 miles west of Auburn, on a saide road branching from Highway 40 152 Comment
  RSA256999  Arctostaphylos nevadensis Gary D. Wallace 1974-12-27 1374 Placer Near Lake Tahoe on the outskirts of Homewood. 1905 Comment
  UCD21472  Arctostaphylos nevadensis Beth Lowe Corbin 1982-8-4 236 Placer One and 1/8 mile NNW of Onion Creek Campground. 2194 Comment
  SEINET7262862  Arctostaphylos nevadensis A. Hogan 1923-7-29 1035 Placer [Sierra Nevada] Homewood, Lake Tahoe Comment
  UC82952  Arctostaphylos patula Katharine Brandegee 1889-7-1 Placer Blue Canyon Comment
  UCSB57988  Arctostaphylos patula Wallace, Gary; Thorne, Robert; DeBuhr, L.; Tatsuno, A. 1975-4-13 Placer Sierra Nevada, Baxter exit off Hwy. 80 between Alta and Blue Can.; T6N, R11E, Sec. 31 1207 Comment
  SEINET11985835  Arctostaphylos patula K. S. Erdman 1966-1 3543 Placer along I-80 near Emigrant Gap, Sierra Nevada Mts 1524 Comment
  SEINET7268629  Arctostaphylos viscida J. Elder 1961-3-18 s.n. Placer 5 mi. SE of Auburn, on hillside above American River 366 Comment
  SEINET7268722  Arctostaphylos viscida C. Bell 1962-3-17 37 Placer 2 miles east of Auburn, above north fork of American River 244 Comment
  CDA16975  Arctostaphylos viscida subsp. viscida G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16028 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  RSA254297  Arctostaphylos viscida subsp. viscida Gary D. Wallace, R. F. Thorne, L. DeBuhr, A. Tatsuno 1975-4-13 1422 Placer Sierra Nevada, Baxter exit off Hwy. 80 between Alta and Blue Can. 1207 Comment
  RSA637015  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24918 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  RSA637018  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24915 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  RSA637021  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24912 Placer Forest Hill Road, 13 km west of Forest Hill, northeast of Auburn. 590 Comment
  UC193055  Arctostaphylos viscida subsp. viscida C. F. Sonne 1891-4-5 Placer between Auburn and Newcastle Comment
  UC571236  Arctostaphylos viscida subsp. viscida H. L. Mason 1926-5-28 3264 Placer hills near Auburn Comment
  SEINET5784772 Image available Arenaria congesta Marcus E. Jones 1882-1 3278 Placer Emigrant Gap Comment
  CDA15941  Arenaria congesta var. congesta G. F. Hrusa, J. Glazner 1999-7-17 15149 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC1125757  Arenaria kingii var. glabrescens N. French 1934-6-22 448 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle 2286 Comment
  UCR191073  Arenaria serpyllifolia George K. Helmkamp, E. A. Helmkamp 2007-5-23 12056 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 11.1 miles northeast of Foresthill 1463 Comment
  CAS-BOT-BC137568  Aristida oligantha Catherine Best 1984-8-11 1031 Placer Sierra Nevada. South Campground Camp Far West Reservoir. 91 Comment
  SACT000298  Aristida oligantha Josephine Van Ess 1976-8-11 Placer Collected short way north of Lincoln (pond area); edge of dried up pond, clay soil 48.8 Comment
  UC543761  Aristolochia californica Charles L. Phillips 1928-3-25 Placer Auburn Comment
  CHSC72867  Arnica chamissonis L. P. Janeway; Eric Schroder 1998-7-13 5757 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  JEPS127457  Arnica chamissonis Steve Matson 1998-5-27 321 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters south of Highway 267, south of Martis Creek. Comment
  NY158403  Arnica ciliaris C. F. Sonne 1896-8-2 s.n. Placer R. R. Canyon on road to Tahoe Comment
  UCD74025  Arnica cordifolia Jennifer W. Burt 2005-7-12 111 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from coniferous forest near abandoned ski runs. 1974 Comment
  JEPS20873  Arnica dealbata C. F. Sonne 1888-8-12 473 Placer Truckee River Sierra Nevada Mountains Comment
  UC1070445  Arnica dealbata B. Bolt 1934-8-14 171 Placer e slope Red Star Ridge; Tahoe National Forest, Truckee Quad. 2133 Comment
  UC193522  Arnica discoidea C. F. Sonne 1886-7-4 Placer Truckee River near Flume Dam Truckee River Comment
  CAS-BOT-BC82653  Arnica latifolia Alice Eastwood 1909-1 276 Placer Ward Pass, Lake Tahoe Region Comment
  CDA13701  Arnica mollis G. F. Hrusa, J. Glazner 1997-8-3 14061 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  SEINET6775086 Image available Arnica mollis A. Tiehm, E. McPherson 1974-1 520 Placer Juniper creek 2408 Comment
  UCD42806  Arnica mollis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 172 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CDA15641  Arnica parryi G. F. Hrusa, J. Glazner 1999-7-18 15209 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC202223  Artemisia arbuscula A. A. Heller 1917-8-13 Placer ridge nw of Donner Pass 2346 Comment
  SEINET6775388 Image available Artemisia douglasiana P. B. Kennedy, S. B. Doten 1901-8-19 420 Placer 7 miles from French Meadows, Talbot's Home Camp Comment
  CAS-BOT-BC90717  Artemisia ludoviciana subsp. incompta John Thomas Howell 1943-7-26 18856 Placer Sugar Bowl nw. of Mt. Lincoln Comment
  CAS-BOT-BC93612  Artemisia rothrockii John H. Thomas; Hazelle A. Thomas 1956-7-21 6091 A Placer Sierra Nevada - vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD33481  Artemisia tridentata Beecher Crampton 1968-9-18 8383 Placer 1.5 miles east of Emigrant Gap on Interstate 80. 1676 Comment
  CAS-BOT-BC97199  Artemisia tridentata subsp. vaseyana Lewis S. Rose 1937-7-30 37620 Placer 3 mi. S of Truckee 1828 Comment
  SACT000353  Arundo donax var. donax D. Meyer 1984-5-28 Placer Collected at railroad crossing. 188.0 Comment
  CAS-BOT-BC400748  Asarum lemmonii Marcus E. Jones 1882-6-29 3499 Placer Emigrant Gap Comment
  CAS-BOT-BC400751  Asarum lemmonii Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  SBBG61524  Asarum lemmonii M. N. Ackley -Jun-1925 7 Placer Towle 1127 Comment
  UCD38846  Asarum lemmonii Beecher Crampton 1958-6-24 4964 Placer Placer County; three miles west of Baxter. Earl Morton Ranch. 1066 Comment
  UCD121253  Asclepias cordifolia Al Franklin 1987-5-1 87 -7 Placer 1.3 miles east of I-80 on Foresthill Road, just outside Auburn, east side of N. Fork American River Canyon. 396 Comment
  CAS-BOT-BC69580  Aspidotis densa Geo. B. Grant 1906-7-20 s.n. Placer Lake Tahoe, Sierra Nevada Mts. 2438 Comment
  UC1874971  Aspidotis densa Ruth Kirkpatrick 2001-7-16 1062 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  CHSC74352  Aster alpigenus var. andersonii Susi Urie; Eric Schroder 1998-9-10 98 -323 Placer Lake Tahoe Basin Management Unit - National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CDA12378  Aster breweri G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8502 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  POM57806  Aster occidentalis C. F. Sonne 1897-07 12321 Placer Canyon above Coldstream Comment
  UCR229448  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17893 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  SCFS1172  Asteraceae E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Road at Chickering. Comment
  CHSC67651  Astragalus austiniae James D. Jokerst 1986-7-13 2732 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  UCD38789  Astragalus purshii Beecher Crampton 1958-6-24 4957 Placer Placer Counter: About 4 miles southeast of Truckee, eastern edge of Martis Valley. Placer-Nevada County line. Comment
  CAS-BOT-BC69538  Athyrium alpestre subsp. americanum Sonne 1886-8-1 324 Placer Unspecified. Comment
  RSA693552  Athyrium filix-femina subsp. cyclosorum Fay A. MacFadden 1934-7-7 s.n. Placer Canyon Creek, Dutch Flat. Comment
  CAS-BOT-BC66084  Athyrium filix-femina var. cyclosorum A. A. Heller 1919-7-25 13299 Placer near the Yuba River below Cisco 1676 Comment
  CHSC10695  Athyrium filix-femina var. cyclosorum Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  SEINET5340474  Athysanus pusillus F. Brunetti 1962-3-7 s.n. Placer 2 miles east of Auburn, above north Fork American River. 274 Comment
  UCR253814  Atriplex micrantha George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20101 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  SACT000359  Avena barbata Michael Baad 1983-4-17 Placer 4 miles South of Interstate 80 on Ponderosa Road 411.48 Comment
  SACT000364  Avena barbata Michael Baad 1977-6-8 Placer on Ralston Ridge Road 487.68 Comment
  CAS-BOT-BC66258  Azolla mexicana Lowell Ahart 1975-3-16 s.n. Placer About 1/2 to 1/2 miles NE of intersection on Wise and McCourtney Road north of Lincoln 41 Comment
  UCR231864  Baccharis pilularis George K. Helmkamp, E. A. Helmkamp 2010-10-16 17031 Placer Northern Sierra Nevada Mountains Foothills, Sugar Pine Road at the southwest corner of Sugar Pine Reservoir near the dam 1128 Comment
  UCR259863  Baccharis pilularis George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22460 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
  CAS-BOT-BC100072  Balsamorhiza macrolepis T. C. Fuller 1957-4-15 3901 Placer Roadside, Highway 99E. 2 miles north of Roseville Comment
  CDA10487  Balsamorhiza macrolepis T. C. Fuller 1958-7-7 Placer 2 miles north of Roseville. 0 Comment
  CAS-BOT-BC100090  Balsamorhiza sagittata Kellogg; Brannan 1870-6-27 s.n. Placer Cisco: Sierra Nevada Mts. Comment
  CAS-BOT-BC16553  Barbarea orthoceras Marcus E. Jones 1882-6-28 2621 Placer Emigrant Gap. Comment
  CHSC11040  Barbarea orthoceras Lowell Ahart 1966-7-2 Placer Ahart Camp, French Meadows. 1524 Comment
  UC855620  Barbarea orthoceras Alice Eastwood June 15-19, 1912 412 Placer Deer Park, Lake Tahoe Region Comment
  UCD41245  Barbarea orthoceras Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1700 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main St. 1066 Comment
  SEINET5783763 Image available Barbarea vulgaris Marcus E. Jones 1882-1 2621 Placer Emigrant Gap Comment
  JEPS126261  Bistorta bistortoides Steve Matson 1998-6-6 221 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, east of Martis Creek. Comment
  UCD22335  Boechera Rex Palmer 1979-6-20 N 326 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC15813  Boechera arcuata Alice Eastwood 1909-1-1 s.n. Placer Lake Tahoe Region. Sunnyside. Comment
  CAS-BOT-BC16291  Boechera howellii C. F. Sonne 1887-7-1 s.n. Placer SIerra Nevada Mountains. Truckee River. Comment
  UCD42945  Boechera howellii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 314 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC14252  Boechera pinetorum Lewis S. Rose 1944-7-10 44052 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  CAS-BOT-BC14254  Boechera pinetorum Alice Eastwood 1909-1-1 s.n. Placer Lake Tahoe Region. Sunnyside. Comment
  UC178951  Boechera platysperma Katharine Brandegee Jul 1908 Placer near Cisco Comment
  JEPS72036  Boechera rectissima Gladys L. Smith 1972-6-20 3208 Placer Ward Peak, about terminus of Summit chairlift Ward Peak 2621 Comment
  UCD22341  Boechera retrofracta Rex Palmer 1979-6-20 N 311 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC25791  Boechera stricta A. A. Heller 1919-7-26 13319 Placer Donner Pass. 2194 Comment
  UCD149417  Boechera suffrutescens G. Ledyard Stebbins 1976-7-6 7693 Placer Bunker Hill. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET10340049  Boykinia major George K. Helmkamp, E. A. Helmkamp 2008-9-15 14115 Placer Northern Sierra Nevada Mountains; along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  UCR206716  Boykinia major George K. Helmkamp, E. A. Helmkamp 2009-7-16 15209 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  SACT000435  Brachypodium distachyon Michael Baad 1976-6-3 Placer 1.1 miles east of North Fork of American River Bridge; southwest facing slopes; red igneous rock 217.9 Comment
  UCR190583  Brickellia californica George K. Helmkamp, E. A. Helmkamp 2007-9-14 12961 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 6 miles east of Foresthill 610 Comment
  SACT000453  Briza maxima Josephine Van Ess 1979-4-7 Placer Collected just inside park fence at end of Horseshoe Bar Road; sunny edge of trail 182.9 Comment
  SACT000459  Briza minor D. Meyer 1984-4-15 Placer Roadside, appears to have been a vernal pool-dry 36.97 Comment
  SD43624  Briza minor D. F. Howe 1948-5-20 1840 Placer 456 Comment
  UCD57424  Briza minor A. A. Beetle 1941-5-26 2711 Placer Near Cisco. 914 Comment
  SEINET10962541  Brodiaea B. Jorgensen 1944-7-23 Jorgensen 527 Placer Near Soda Springs Comment
  RSA785457  Brodiaea elegans subsp. elegans George K. Helmkamp, E. A. Helmkamp 2010-6-26 16372 Placer junction of Canyon Way and Yankee Jim s Road, east of I-80 between Weimar and Colfax 616 Comment
  CAS-BOT-BC484260  Brodiaea elegans var. elegans John Thomas Howell; Gordon H. True 1971-5-26 47638 Placer Northern limits of Lincoln 48 Comment
  UCD147856  Brodiaea rosea subsp. vallicola Robert E. Preston 2013-4-15 2910 Placer Between Roseville and Lincoln, 200 ft E of Hwy 65, 0.7 mi N of Sunset Blvd. 47 Comment
  SEINET2473481 Image available Bromus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-1 16435 Placer Sierra Nevada Mountains Foothills; Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 410 Comment
  SACT000483  Bromus arenarius Michael Baad 1977-6-8 Placer 1570.6 Comment
  SACT000389  Bromus carinatus D. Meyer 1983-7-3 Placer 1227.3 Comment
  SACT000517  Bromus carinatus 1983-8-7 Placer near gate into ski area parking lot, moist meadow with many sedges 2072.0 Comment
  UCD58263  Bromus carinatus August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  UCSC000050  Bromus carinatus N. French 1934-6-22 s.n. Placer 0.5 mile W. of Dulzura - Truckee, Tahoe N.F. 2134 Comment
  UC1130991  Bromus carinatus var. carinatus G. T. Nordstrom 1934-6-21 138 Placer Tahoe National Forest, Mammoth Springs Mammoth Springs; Tahoe National Forest, Mammoth Springs 1706 Comment
  CAS-BOT-BC148724  Bromus carinatus var. marginatus R. F. Hoover 1967-9-7 10860 Placer Antone Meadow. Comment
  UCD59195  Bromus carinatus var. marginatus Mrs. H. P. Kelley 1916-7-17 s.n. Placer Tallac, Lake Tahoe. Comment
  SD44646  Bromus commutatus D. F. Howe 1951-5-1 Placer Placer County 456 Comment
  SACT000528  Bromus diandrus D. Meyer 1983-4-17 Placer 231.648 Comment
  UCD58524  Bromus diandrus Al Franklin 1987-5-1 87 -04 Placer 1.6 miles east of I-80 on Forest Hill Rd. Just outside of Auburn. 426 Comment
  CAS-BOT-BC155060  Bromus hordeaceus A. A. Beetle 1941-5-26 2712 Placer Near Cisco. 914 Comment
  CAS-BOT-BC155445  Bromus hordeaceus Peter H. Raven 1954-4-16 6607 Placer 7 miles south of LIncoln on road to Rosevill. Comment
  CDA36882  Bromus hordeaceus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 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
  SACT000561  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-4-17 Placer Small drainage ditch, moist sunny exposure 231.648 Comment
  UCR241722  Bromus inermis George K. Helmkamp, E. A. Helmkamp 2012-9-25 19922 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  CAS-BOT-BC155328  Bromus laevipes A. A. Beetle 1941-5-26 2726 Placer Near Cisco. 914 Comment
  CDA15639  Bromus laevipes G. F. Hrusa, J. Glazner 1999-7-18 15194 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  SACT000599  Bromus laevipes D. Meyer 1984-6-23 Placer 740.0 Comment
  SACT000600  Bromus laevipes Josephine Van Ess 1977-5-20 Placer Comment
  SACT000654  Bromus marginatus Michael Baad 1976-6-17 Placer 1097.28 Comment
  SACT000691  Bromus marginatus D. Meyer 1983-10-22 Placer from base of Searchlight chairlift to base of Olympic Lady chairlift, downhill ski area, straw added for erosion control 2000.0 Comment
  SACT000703  Bromus marginatus Michael Baad 1976-7-22 Placer Ascent of south-facing slope of peak from trail to crest, red-fir forest and meadows 2377.0 Comment
  CAS-BOT-BC162165  Bromus orcuttianus R. F. Hoover 1967-9-7 10858 Placer Antone Meadow. Comment
  HSC11184  Bromus orcuttianus A. S. Hitchcock 1913-7-15 863 Placer Trukee Comment
  SBBG22675  Bromus orcuttianus M. S. Walters 1960-6-22 Placer Hwy 28 at Brockway, Lake Tahoe Comment
  UC1131101  Bromus orcuttianus H. S. Yates 1936-8-8 5981 Placer near Meeks Bay 1920 Comment
  UCD32815  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Placer County, Blue canyon. 1430 Comment
  UCD59245  Bromus orcuttianus Beecher Crampton 1959-7-8 5416 Placer Lake Tahoe, along State Highway 89. 1950 Comment
  SEINET10523808  Bromus rigidus Alan A. Beetle 1941-5-26 Beetle 2718 Placer Near Cisco, shrubby hillside, sandy loam. Assoc. Festuca pacifica, megalura, Stipa lemmoni. 914 Comment
  SACT000727  Bromus rubens Michael Baad 1983-4-17 Placer 411.48 Comment
  SACT000675  Bromus sterilis D. Meyer 1984-5-6 Placer On Golden Bar Road, riparian habitat. 182.0 Comment
  SACT000758  Bromus suksdorfii Michael Baad 1983-8-11 Placer on trail to Mildred Ridge 2133.0 Comment
  UC905446  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer s of Summit Valley (Mount Lincoln); Mount Lincoln 2499 Comment
  CAS-BOT-BC161527  Bromus tectorum Saichi Kawahara 1969-7-19 1523 Placer Side of road, south side of Highway 80, 1 mile west of Blue Canyon on turnoff. 1524 Comment
  NY664627  Bromus tectorum L. S. Rose 1946-6-23 46198 Placer Rainbow, n. of Cisco 1737.4 Comment
  SACT000766  Bromus tectorum Michael Baad 1983-5-5 Placer 1.2 miles southeast of Canyon Way descending to North Fork of the American River 548.64 Comment
  SACT000777  Bromus tectorum D. Meyer 1983-7-16 Placer 1624.0 Comment
  CAS-BOT-BC185439  Calamagrostis breweri A. A. Heller 1903-8-10 7130 Placer Above Donner Pass. 2286 Comment
  CDA25015  Calamagrostis canadensis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UC1729975  Calamagrostis canadensis L. P. Janeway, Eric Schroder 1998-9-16 6327 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek); Homewood Quadrangle 2124 Comment
  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
  UCD139447  Calochortus albus A. S. Crafts 1926-5-1 797 Placer American River Canyon. Comment
  UCD40936  Calochortus albus Sook Hong 1989-5-20 16 Placer 5-10 miles east of Auburn on Forest Hill Road. 652 Comment
  UC3364  Calochortus albus Mrs. King and N. D. Roberts 1892-5-1 Placer Comment
  HSC33454  Calochortus coeruleus Thomas W. Nelson, James Nelson 1974-6-17 1355 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  CAS-BOT-BC490167  Calochortus leichtlinii Jean L. Pawek 1956-7-17 192 Placer Highway 40, on dirt road from Soda Springs south. 1828 Comment
  CAS-BOT-BC490536  Calochortus luteus Carl B. Wolf 1937-5-12 8611 Placer Sacramento Valley, 1 mi. no. of Lincoln 45 Comment
  CAS-BOT-BC483467  Calochortus minimus E. A. McGregor 1909-8-18 163 Placer Desolation Valley, Lake Tahoe region 2286 Comment
  CAS-BOT-BC483468  Calochortus minimus Miss T. O. Raphael 1923-7-6 s.n. Placer Cisco Comment
  CAS-BOT-BC493401  Calochortus monophyllus L. Constance; J. L. Morrison 1938-4-30 2172 Placer At E. edge of Applegate, Sierra Nevada foothills 609 Comment
  CAS-BOT-BC493406  Calochortus monophyllus Alice M. King 1923-5-1 s.n. Placer Placerville Comment
  SEINET5725032 Image available Calochortus monophyllus Betty Hess 1973-1 35 Placer 3.5 miles west of Foresthill on Foresthill-Colfax Road.; Foresthill Comment
  SEINET8197448  Calochortus monophyllus D. F. Erskine 1941-4-25 16 Placer Bear River Canyon. 1067 Comment
  SEINET3364434 Image available Calochortus nudus Marcus E. Jones 1882-6-28 3300 Placer Emigrant Gap Comment
  SEINET3992420  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 miles north of Colfax Comment
  SBBG57803  Calochortus venustus M. N. Ackley -Jun-1925 649 Placer New England Mills Comment
  CAS-BOT-BC126721  Calycadenia multiglandulosa G. K. Helmkamp; E. A. Helmkamp 2010-6-26 16368 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UC935701  Calycadenia multiglandulosa David D. Keck and J. Clausen 1932-7-1 1590 Placer 2 mi n of Auburn 426 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
  CAS-BOT-BC270650  Calycadenia multiglandulosa David D. Keck 1932-6-30 1588 Placer 0.3 mile N of Weimar P.O. 685 Comment
  RSA255512  Calycadenia spicata Gerald D. Carr 1971-8-15 631 Placer Karchner Road, about 6 miles east of Wheatland 61 Comment
  UC1137574  Calycadenia truncata B. Bolt 1934-7-22 158 Placer ridge 1/2 mi s Chicken Hawk; Tahoe National Forest, Colfax 1310 Comment
  SD247491  Calyptridium monospermum George K. Helmkamp, Elizabeth Helmkamp 2012-6-19 19228 Placer Northern Sierra Nevada Mountains: Foresthill Hroad, 1.7 miles east of its juncton with Devil's Thumb Road (Duncan Peak 7.5'Q) 1671 Comment
  UCD70594  Calyptridium monospermum Martin J. Beran 1994-5-27 19 Placer Lang Crossing of HWY 20, South Fork of Yuba River. 1414 Comment
  UCR242332  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16657 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  SBBG69695  Calyptridium umbellatum A. A. Heller 1927-8-16 14448 Placer near summit of Donner Pass Comment
  UC398651  Calyptridium umbellatum A. A. Heller 1927-8-16 14448 Placer above Donner Lake (summits of Sierra Nevada, near summit of Donner Pass); Sierra Nevada Comment
  CHSC79286  Calystegia malacophylla Beecher Crampton 1972-7-26 8846 Placer Carpenter Flat east of Emigrant Gap. Dry slope above Laings road. 1615 Comment
  JEPS31609  Calystegia occidentalis subsp. occidentalis W. H. Shockley June 1886 Placer Auburn Comment
  SEINET13203118 Image available Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Amy Barnes 2014-1 22779 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River (Auburn 7.5' Q.) 290 Comment
  UCR259879  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22462 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
  CHSC112057  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff, K. Van Zuuk, B. Ertter 2012-6-12 22047 Placer Tahoe National Forest, 3 miles NE of Foresthill, Western States Trail c. 1 mile from Michigan Bluff Road. 1091 Comment
  UC1965415  Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff, K. Van Zuuk & B. Ertter 2012-6-12 22053 Placer Tahoe National Forest, 7.5 miles NE of Forest Hill, on Finning Mill Road 5.6 miles from Forest Hill Divide Road Comment
  SEINET12057273  Camassia leichtlinii F. H. Utech 1978-6-23 78 -251 Placer ca 0.5 km NNE of Boreal Ridge Road along I-80E, near Laing Road 1829 Comment
  UC843718  Camassia quamash subsp. breviflora Alice Eastwood Jun 15 1912-Jun 19 1912 400 Placer Deer Park; Lake Tahoe Region, Deer Park Comment
  UCD150570  Camassia quamash subsp. breviflora James A. Neilson Jr. 1971-6-30 2131 Placer Tahoe Basin, Ward Valley Drainage, Plot #132. 1920 Comment
  CAS-BOT-BC376274  Campanula Greg de Nevers 1995-8-20 10772 Placer Lake Tahoe. Along stream at Chambers Landing, at about 6000 ft. 1828 Comment
  UCR231822  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-8-11 16758 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  SEINET10463221  Campanula prenanthoides Smith 1925-8-13 Smith 1699 Placer TAHOE FOREST, BELOW PINE NUT MINE, SEC. 17 1829 Comment
  UCD44012  Cardamine breweri var. breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1378 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  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
  CDA12415  Cardamine cordifolia var. lyallii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8543 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  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
  CDA3740  Cardaria pubescens T. C. Fuller 1964-9-1 12570 Placer Sierra Nevada; Sierra Nevada. N side of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. Comment
  CDA11985  Carex G. F. Hrusa 1995-5-2 12166 Placer Sierra Nevada; Approx. 5 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UCD42975  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 344 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44468  Carex abrupta C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1834 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCSB63803  Carex angustata Janeway, L.; Schroder, Eric; Murrell, Katherine 1998-7-15 Placer T14N, R13E, NW1/4 of NW1/4 of sec. 35; Homewood quad.; north side of Blackwood Creek; 1.7 mi. west of LakeTahoe 1938 Comment
  UCD44521  Carex aquatilis var. aquatilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1887 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC101067  Carex athrostachya G. F. Hrusa; J. Glazner 1997-8-3 14051 Placer Corner of Hwy 89 and Squaw Valley Road. 2000 Comment
  CHSC75311  Carex athrostachya Susi Urie 1998-8-29 98 -159 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CAS-BOT-BC19396  Carex bolanderi Saichi Kawahara 1969-7-6 1431 Placer East Fork of Indian Creek. Mel Henderson Ranch. Swing near old cabin. 999 Comment
  CHSC110727  Carex davyi Dean Wm. Taylor 2010-8-10 20990 B Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek 2508 Comment
  JEPS109406  Carex davyi D. W. Taylor 2010-8-10 20990 B Placer Martis Peak, near the Nevada State Line in the headwaters of Juniper Creek. Comment
  CAS-BOT-BC34438  Carex deflexa var. boottii Lewis S. Rose 1944-7-26 44270 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  SEINET11630191  Carex deflexa var. boottii M. E. Jones 1889-1 s.n. Placer Emigrant Gap Comment
  CAS-BOT-BC20582  Carex douglasii W. R. Dudley 1893-6-7 s.n. Placer By railroad west of Truckee. Comment
  SEINET176586  Carex filifolia Marcus E. Jones 1882-6-28 2908 Placer Emigrant Gap. Comment
  CAS-BOT-BC20683  Carex fracta Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  SEINET3901910  Carex heteroneura Ellen Dean, M. Starbuck; G. Harrington; Jennifer Buck; M. Bibbo; T. Sasaki; J. Poloske 2008-7-19 5135 Placer Donner State Oark, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek.; 0 2112 Comment
  RSA0089809  Carex hoodii Dean Wm. Taylor 2010-8-10 20991 Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek. 2508 Comment
  CHSC68058  Carex integra James D. Jokerst 1986-7-12 2692 B Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  NY11165  Carex integra A. A. Heller 1909-7-16 9841 Placer Summit 2133.6 Comment
  CAS-BOT-BC35503  Carex jonesii Alice Eastwood 1912-6-15 s.n. Placer Deer Park, Lake Tahoe Region Comment
  UCD43323  Carex jonesii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 691 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  UCD42893  Carex lenticularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 261 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  JEPS63538  Carex lenticularis var. impressa W. L. Jepson 1931-6-17 15930 Placer Tahoe Vista Lake Tahoe, Tahoe Vista 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
  UCD42832  Carex leporinella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 198 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD74078  Carex luzulifolia Jennifer W. Burt; Kate Mawdsley, Belinda Lo 2006-7-26 176 Placer Sugarbowl active ski area, off Hwy 80 near Soda Springs - collected from center of 'Trailblazer' ski run. 2192 Comment
  CAS-BOT-BC31625  Carex luzulina var. luzulina Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. Comment
  POM260101  Carex multicaulis C. L. Hitchcock 1940-5-7 6309 Placer 1 mile west of Baxter Comment
  UC833299  Carex multicaulis Marcus E. Jones, A. M. 1882-6-28 3286 Placer Emigrant Gap Comment
  RSA122448  Carex nebrascensis H. S. Yates 1936-8-9 5994 Placer 2 miles southwest of Martis Peak. 2287 Comment
  SD480  Carex nebrascensis Jun 1915 73 Placer Donner. Comment
  UC733660  Carex nebrascensis L. S. Smith 1927-8-12 2239 Placer Upper Squaw Creek Basin Tahoe 2286 Comment
  UCD43126  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 494 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS73190  Carex nigricans Gladys L. Smith 1972-8-25 3409 Placer e-facing slope below Watson Memorial (tr. to Granite Chief) 2529 Comment
  SEINET13404918  Carex obnupta R. D. Olson 1949-5-14 18 Placer U.S. Highway 40, Roseville City Limit, stream crossing 61 Comment
  SEINET4286151 Image available Carex occidentalis K. Chung, Matson, S 2009-1 1076 Placer Lake Tahoe, north side. Comment
  UCD75692  Carex pachycarpa Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5141 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
  CHSC74305  Carex pachystachya Susi Urie 1998-8-17 98 -051 Placer Lake Tahoe Basin Management Unit. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCR120496  Carex pellita George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5062 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  CAS-BOT-BC118342  Carex praegracilis Alice Eastwood; John Thomas Howell 1937-5-8 4363 Placer Between Newcastle and Penryn. Comment
  CAS-BOT-BC118469  Carex praegracilis Henry Nicholas Bolander 1865-4-11 4550 Placer In a meadow near Auburn. Comment
  CAS-BOT-BC118759  Carex preslii John Thomas Howell 1943-7-27 18876 Placer Lake Tahoe near Tahoe Pines. Comment
  SEINET13699934  Carex raynoldsii A. A. Heller 1909-7-16 9854 Placer Summit [Donner Summit] 2134 Comment
  CAS-BOT-BC117525  Carex sheldonii Peter H. Raven 1950-6-26 2419 A Placer Baxter's 1219 Comment
  CHSC74308  Carex simulata Susi Urie; Eric Schroder 1998-9-11 98 -347 Placer Lake Tahoe Basin Management Unit. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UCD43189  Carex simulata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 558 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC117697  Carex simulata John Thomas Howell 1938-8-2 13999 Placer 5 mi N of Brockway Comment
  SEINET10748061  Carex stipata Alice Eastwood, John Thomas Howell 1937-5-8 Eastwood 4361 Placer Between Newcastle and Penryn, Comment
  CAS-BOT-BC116995  Carex straminiformis A. A. Heller 1917-8-14 12927 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  CAS-BOT-BC116554  Carex subfusca John Thomas Howell; Gordon H. True 1968-6-9 44517 Placer Alta. 1066 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
  UCD42867  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 234 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43057  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 425 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR191096  Carex subfusca George K. Helmkamp, E. A. Helmkamp 2007-6-12 12324 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  JEPS74225  Carex subnigricans Gladys L. Smith 1972-8-25 3428 Placer along trail descending cirque, n-facing slope Granite Chief Granite Chief 2590 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
  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
  UCD149412  Carex vesicaria G. Ledyard Stebbins 1976-7-6 7692 b Placer Mountain Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA43289  Carex whitneyi L. S. Rose 1944-7-13 44111 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  RSA51981  Carex whitneyi L. S. Rose 1940-6-1 40451 Placer Truckee River, 3 miles NW of Tahoe City. 1890 Comment
  UCD75947  Carex whitneyi Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5188 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail. 2161 Comment
  JEPS72455  Cassiope mertensiana subsp. californica Gladys L. Smith 1972-8-25 3438 Placer Below cirque, N face Granite Chief. 2575 Comment
  SACT002854  Castanopsis sempervirens Michael Baad 1977-6-1 Placer Collected at trail head. 0.5 km north of Forest Hill Divide Road. 2 km north of Skunk Spring Comment
  CHSC91654  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. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  CAS-BOT-BC249698  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-6-15 359 Placer Deer Park, Lake Tahoe Region Comment
  UCR233277  Castilleja applegatei subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17685 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 1.6 miles southeast of its junction with Foresthill Road at Foresthill 883 Comment
  CDA12001  Castilleja attenuata G. F. Hrusa 1995-5-2 12182 Placer Sierra Nevada; approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  SEINET13737416  Castilleja attenuata A. Beninghoff 1930-4-19 2864 Placer Newcastle. Comment
  UCD122325  Castilleja attenuata M. H. Mills 1996-4-12 130 Placer 5830 Walden Lane, Loomis. 180 Comment
  SEINET13764202  Castilleja chromosa P. A. Lehenbauer, R. E. L. 1923-6-23 774 Placer Lake Tahoe, [Homewood,] McKinney's Resort. Comment
  SBBG26850  Castilleja lacera C. L. Hitchcock 1940-5-14 6387 Placer Meier Ranch, ca. 6 mi N of Colfax 762 Comment
  UC41911  Castilleja lacera Mrs. M. M. Hardy 1893-1 Placer Emigrant Gap Comment
  JEPS16348  Castilleja miniata Peter H. Raven 1956-8-4 9994 Placer 1.0 mi from Blue Canyon (on the road to Emigrant Gap); Sierra Nevada Comment
  UC1713509  Castilleja miniata Katharine Brandegee Placer Cisco Comment
  UC198555  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198559  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  JEPS27221  Castilleja miniata E. R. Blakley 1960-9-2 3803 Placer mouth of Carnelian Creek Carnelian Creek; Lake Tahoe 1905 Comment
  UCD162576  Castilleja miniata subsp. miniata Steve Matson 1998-7-28 358 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork bog. 1920 Comment
  UCD42894  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 262 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43177  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 546 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44455  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1821 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  POM286330  Castilleja pilosa Lyman Benson 1942-7-2 11253 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  JEPS73662  Castilleja pruinosa L. R. Heckard with G. L. Stebbins 1973-6-18 3451 Placer about 0.5 mi e Star Town (on s side of North Fork of Middle Fork of American River, about 13 air mi ne of Foresthill) 1432 Comment
  UCD162617  Castilleja tenuis Steve Matson 1998-6-21 257 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 300 meters north of Highway 267. 1780 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
  CHSC106017  Ceanothus William Williams 1986-6-15 Placer Norden. Hill at top of ski lift. Comment
  SBBG26764  Ceanothus X connivens C. L. Hitchcock 1940-5-7 6330 Placer 1 mi W of Baxter Comment
  CAS-BOT-BC47893  Ceanothus cordulatus E. A. McGregor 1909-8-12 87 Placer Grass Lake 2194 Comment
  SACT002891  Ceanothus cordulatus Michael Baad 1976-6-10 Placer North-facing slope at trailhead to Duncan Canyon and Robison Flat, 1 mile east of Duncan Creek Road crossing on the way to French Meadows. Comment
  UC662662  Ceanothus cordulatus L. S. Rose 1941-7-14 41315 Placer Chambers Lodge (McKinney) Lake Tahoe 1900 Comment
  UCD111379  Ceanothus cordulatus Beecher Crampton 1955-7-13 2991 Placer 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCD36708  Ceanothus cordulatus Beecher Crampton 1955-7-13 2991 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  UCR120250  Ceanothus cordulatus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5039 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SACT002903  Ceanothus cuneatus Michael Baad 1976-6-16 Placer Collected on trailhead along road between Robinson Flat Soda Springs. Comment
  UC452649  Ceanothus cuneatus var. cuneatus Francis Ramaley 1917-4-24 11145 Placer Auburn Comment
  UCD112096  Ceanothus cuneatus var. cuneatus Daniel I. Axelrod 1983-9-18 E- 4 Placer just south of Nevada/Placer County border, by roadside on upper south slope of low ridge. 50 feet from summit, 100 yards SSE from top of Soda Springs ski lift (now abandoned.) Comment
  CAS-BOT-BC50852  Ceanothus fresnensis W. R. Dudley 1909-8-20 s.n. Placer Near Doolittle Mine, Dutch Flat Comment
  SCFS11529132  Ceanothus fresnensis E. Krimmel 2012-9-13 Placer NFAm trailside, away from water. Comment
  UC1070650  Ceanothus fresnensis B. Bolt 1934-7-16 118 Placer 1 1/2 miles SE of Health Springs 2164 Comment
  UCD22201  Ceanothus fresnensis Rex Palmer 1979-5-26 N 19 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCD22202  Ceanothus fresnensis Rex Palmer 1979-5-26 N 4 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  SCFS1001  Ceanothus integerrimus E. Krimmel 2014-6-26 Placer Road cut in switchbacks of Soda Springs road Comment
  UC1070727  Ceanothus integerrimus N. French 1933-5-5 39 Placer American River Colfax quad. 609 Comment
  UC112945  Ceanothus integerrimus Katharine Brandegee 1908-7-17 Placer Blue Canyon Comment
  UCD111959  Ceanothus integerrimus A. S. Crafts 1926-5-1 799 Placer American River Canyon. Comment
  UCD16104  Ceanothus integerrimus A. Bebensee 1984-5-13 s.n. Placer California. Placer County: 9 mi. NE of Auburn on Forest Hill Rd. West side of the road. Comment
  UCD164646  Ceanothus integerrimus Brandi Sorensen 1995-6-1 21 Placer .73 kilometers northwest of Colfax. 671 Comment
  SACT002927  Ceanothus integerrimus Michael Baad 1976-6-3 Placer Descending towards Middle Fork of American River on road from Forest Hill to French Meadows. 1.5 miles east of Forest Hill. 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
  CAS-BOT-BC51039  Ceanothus integerrimus var. macrothyrsus Susie Peers 1929-5-1 s.n. Placer Colfax Comment
  CAS-BOT-BC63393  Ceanothus prostratus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains: along Forest Hill Rd., 11.1 mi. ne. of Foresthill (Westville 7.5'). 1463 Comment
  UC18387  Ceanothus prostratus H. N. Bolander 1865-4-13 4557 Placer Forest Hill Comment
  UCD16095  Ceanothus prostratus Sutton 1984-5-19 s.n. Placer California. Placer County: Blue Canyon Rd. 1 mile off of Hwy 80. 1524 Comment
  POM86912  Ceanothus ramulosus Marcus E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
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Sep 3 2010
  UC18418  Ceanothus tomentosus H. N. Bolander 1865-4-13 4558 Placer Forest Hills Comment
  CAS-BOT-BC52881  Ceanothus tomentosus var. tomentosus Belle R. Jackson 1932-6-1 s.n. Placer Near Gold Run above Colfax Comment
  RSA121652  Ceanothus velutinus N. H. French 1934-6-19 428 Placer 1/4 mile W of Devil's Peak. 2104 Comment
  UC569880  Ceanothus velutinus N. French 1934-6-19 428 Placer 1/4 mi nw Devil's Peak; Tahoe National Forest, Truckee Quad. Comment
  UCD150853  Ceanothus velutinus James A. Neilson Jr. 1970-8-5 1746 Placer Tahoe Basin. Yard in Tahoe City. 1901 Comment
  CAS-BOT-BC63180  Ceanothus velutinus var. velutinus J. Clausen 1932-9-15 648 Placer 2 mi. w. of Tahoe Tavern on the Truckee Rd. 1859 Comment
  CAS-BOT-BC63181  Ceanothus velutinus var. velutinus Brandegee 1889-7-1 1 Placer Donner. Comment
  CDA15292  Centaurea diffusa R. O'Connell, R. Kerr 1998-10-21 1142328 Placer Sierra Nevada; on I-80 0.25 mi. E of Cisco Grove exit. 0 Comment
  CAS-BOT-BC277039  Centaurea maculosa T. C. Fuller 1965-8-10 13944 Placer S. side of the westbound lanes of Interstate 80 freeway, 0.1 mi. e. of Blue Canyon Rd., Sierra Nevada 1524 Comment
  SEINET5343601 Image available Centaurea solstitialis A. Ashton 1971-10-10 s.n. Placer along banks of the North Fork of the American River at Coloma 305 Comment
  UC1980588  Centaurium tenuiflorum C. Rose Broome 1978-8-2 2308 Placer 2.1 mi S of Old Auburn on Auburn-Folsom Highway. Comment
  UC88950  Centromadia fitchii Mrs. K. Curran 1888-9-1 Placer Dutch Flat Comment
  POM28572  Cercis occidentalis Marcus E. Jones 1882-7-4 3572 Placer Colfax Comment
  CAS-BOT-BC276717  Chaenactis douglasii var. douglasii Lewis S. Rose 1944-7-22 44213 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  UCR189300  Chaenactis douglasii var. douglasii George K. Helmkamp, E. A. Helmkamp 2007-7-27 12625 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  CAS-BOT-BC141724  Chamaebatia foliolosa C. L. Hitchcock 1940-5-7 6323 Placer ca. 1 miles west of Baxter Comment
  RSA189447  Chamaebatia foliolosa L. S. Rose 1967-6-14 67133 Placer Grass Valley, Condon Park. 732 Comment
  SEINET3392250  Chamaebatia foliolosa E. D. McArthur 1982-1 EDM- 1361 Placer East of Auburn; along the road to Forest hill Comment
  SEINET6336142  Chamaebatia foliolosa P. L. Comanor, B. Clark, B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 miles from end of railroad bridge on CA 194. Winding road, plot located on the right past parking area, down path approximately 60 meters 1676 Comment
  UC196661  Chamaesyce nutans E. O. Amundsen 1916-9-3 Placer East Auburn Comment
  JEPS14354  Chamaesyce serpyllifolia Rimo Bacigalupi with Stebbins, Hawkes, Ehrendorfer, Stutz, Zohary, and Hunziker 1952-7-19 3869 Placer 5 mi e Iowa Hill (roadside near crossing of the n fork of Shirttail Creek, on the rd to Damascus) 1097 Comment
  UC570786  Chamaesyce serpyllifolia H. L. Mason 1929-10-4 5456 Placer 4 mi below Colfax Comment
  UC765106  Chamaesyce serpyllifolia R. F. Hoover 1936-7-31 1587 Placer Lincoln Comment
  UC20111  Chamerion angustifolium subsp. circumvagum Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC69457  Cheilanthes cooperae M. E. Parsons 1912-8-1 s.n. Placer Near Summit. Comment
  JEPS89857  Cheilanthes gracillima Dean William Taylor 1971-7-22 1110 Placer on trail to Snow Mt. (ca. 3 mi. n. of Snow Mt.) 2133 Comment
  UCD97925  Chenopodium berlandieri G. K. Helmkamp; E. A. Helmkamp 2005-9-30 9952 Placer Northern High Sierra Mountains: Junction of Chalet and Alpine Meadows Roads W of CA-89 (near Alpine ski area). 2081 Comment
  JEPS73010  Chenopodium berlandieri Gladys L. Smith 1972-8-25 3402 Placer about chairlift above Shirley Lake (tr. to Granite Chief) 2499 Comment
  UCR200855  Chenopodium botrys George K. Helmkamp, E. A. Helmkamp 2008-9-15 14098 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  POM164804  Chenopodium pumilio A. M. Carpenter s.n. Placer [No further location information] Comment
  UCD75691  Chimaphila menziesii Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5140 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
  CAS-BOT-BC451472  Chimaphila umbellata W. W. Price 1892-7-1 s.n. Placer Red Point 1371 Comment
  UCD33394  Chloris verticillata Beecher Crampton 1967-7-26 8164 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80, junction of Meadow Vista Road. 487 Comment
  CHSC98933  Chlorogalum angustifolium Samantha Mackey Hillaire 2007-7-7 1246 Placer North of Colfax, east side of Hwy I-80. 670 Comment
  UCD19085  Chloropyron molle subsp. hispidum Robert F. Holland; Virginia I. Dains 1982-8-16 1210 Placer about 4 mi. NW of Rocklin, headwaters of Pleasant Grove Creek. in Spring Valley. 45 Comment
  SEINET13331385 Image available Chondrilla juncea P. C. Martinelli, A. L. Rivers, R. Uriarte 1965-10-29 s.n. Placer Folsom Lake Comment
  UCD130266  Chondrilla juncea A. M. Shapiro 1987-6-6 s.n. Placer city of Auburn, Hwy 49 north of Elm St., in restaurant parking lot (Katrina's Kitchen). 365 Comment
  CAS-BOT-BC36375  Chrysolepis sempervirens R. F. Hoover 1967-9-5 10823 Placer Carnelian Bay, Lake Tahoe Comment
  SD243150  Chrysolepis sempervirens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16768 A Placer Northern Sierra Nevada Mountains:Deadwood Riad, 1.2 miles south of its junction with Forest Hill Road (Westville 7.5'Q) 1563 Comment
  UCD110125  Chrysolepis sempervirens Beecher Crampton 1972-9-28 8883 Placer ca. 1 mile east of Baxter. Comment
  UCD21484  Chrysolepis sempervirens Beth Lowe Corbin 1982-8-3 200 Placer Located on hill west of Onion Creek Campground. 1853 Comment
  UCR200872  Chrysolepis sempervirens George K. Helmkamp, E. A. Helmkamp 2008-9-15 14112 Placer Northern Sierra Nevada Mountains, Forestry route 43, 0.3 mile southeast of the east end of Foresthill Road at the junction to Soda Springs, junction is 27 miles northeast of Forest Hill City 2061 Comment
  SEINET7450569 Image available Chrysopsis breweri L. Miller 1933-8-6 s.n. Placer Lake Tahoe, near Homewood Comment
  RSA22369  Chrysothamnus nauseosus subsp. albicaulis L. S. Rose 1938-9-14 38258 Placer South Fork of Yuba River, Cisco 1616 Comment
  UCR190225  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2007-9-14 12949 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  CAS-BOT-BC289615  Cirsium andersonii Alice Eastwood 1909-1-1 196 Placer Sunnyside, Lake Tahoe region Comment
  OBI16754  Cirsium andersonii Robert F. Hoover 1967-9-5 10837 Placer Carnelian Bay, Lake Tahoe Comment
  UCD107267  Cirsium andersonii Chuck Hughes 2010-7-13 234 Placer Within 50 ft of north side of Alpine Meadows Road. 1903 Comment
  UCD83648  Cirsium andersonii Albert Grigarick 2009-9-10 201 Placer Squaw Valley Resort, ca. 0.25 mi W of Squaw Village. 1920 Comment
  CDA11989  Cirsium occidentale var. californicum G. F. Hrusa 1995-5-2 12170 Placer Sierra Nevada; 6 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  SD234291  Cirsium occidentale var. californicum G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12200 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp. 963 Comment
  CAS-BOT-BC285518  Cirsium occidentale var. candidissimum Nora Pettibone; Frank W. Hubby 1892-8-1 s.n. Placer Lake Tahoe 1828 Comment
  CDA20204  Cirsium vulgare N. Macleod 2003-8-19 PDR 1417960 Placer Sierra Nevada; Carnelian Bay Rd and North Lake Blvd, Carnelian Bay. 0 Comment
  CAS-BOT-BC439031  Cistanthe monosperma Mrs. Chas. E. Miller 1916-8-30 s.nk. Placer Emigrant Gap Comment
  CAS-BOT-BC228715  Cistanthe umbellata Geo. B. Grant 1906-7-15 7027 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC228886  Cistanthe umbellata A. A. Heller 1917-8-13 12912 Placer Ridge northwest of Donner Pass 2346 Comment
  CAS-BOT-BC162649  Clarkia John Thomas Howell; Gordon H. True 1971-5-26 47625 Placer Northern limits of Lincoln 48 Comment
  RSA495975  Clarkia arcuata L. D. Gottlieb 1988-5-1 8805 Placer East of Colfax, on Iowa Hill Road, 2.3 miles east of junction with Canyon Road, or 0.7 mile west of bridge over North Fork American River; site is just beyond sign Auburn State Recreation Area Comment
  UC567140  Clarkia biloba C. R. Clar 1933-5-6 115 Placer near Newcastle; Smartsville Quadrangle 182 Comment
  UC930775  Clarkia biloba Marcus E. Jones, A. M. 1882-7-3 3340 Placer Colfax Comment
  CAS-BOT-BC172410  Clarkia biloba subsp. brandegeeae A. A. Heller 1917-6-19 12746 Placer 4 miles east of Colfax Comment
  LA205992  Clarkia biloba subsp. brandegeeae T. Mosquin; 1959-7-1 3325 B Placer 7.7 mi. from Foresthill on road to Colfax Comment
  UC725935  Clarkia purpurea A. A. Heller 1941-5-10 16121 Placer 1 mi n Lincoln (along U. S. Highway #99E) Comment
  UC718218  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-5-12 8613 Placer 1 mi n Lincoln; Sacramento Valley 45 Comment
  CAS-BOT-BC162495  Clarkia purpurea subsp. purpurea H. M. Hall 1917-5-9 10291 Placer Sacramento Valley, just above Lincoln Comment
  POM264676  Clarkia purpurea subsp. purpurea Lincoln Constance 1941-5-28 2821 Placer 2 miles north of Lincoln, Sacramento Valley. 61 Comment
  UCR173272  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10436 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
  SEINET3860297  Clarkia purpurea subsp. viminea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16414 Placer Sierra Nevada Mountains Foothills: Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 ENE of Applegate.; 0 476 Comment
  UCR219652  Clarkia purpurea subsp. viminea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16414 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  UC422824  Clarkia rhomboidea Milo S. Baker 1904-7-7 Placer Fallen Leaf Lake Comment
  UCD150583  Clarkia rhomboidea James A. Neilson Jr. 1971-7-2 2175 Placer Tahoe Basin, Brockway Springs. 1920 Comment
  JEPS43682  Clarkia unguiculata W. H. Shockley Jun 1886 Placer Auburn Comment
  SEINET10492157  Clarkia unguiculata Tim Holtsford 1992-5-25 Holtsford 920525 -3 Placer Folsom-auburn rd, 2.0 mi s of corner of lincoln and commercial avenue in old Downtown auburn. N-facing roadcut. Comment
  UC930749  Clarkia williamsonii Marcus E. Jones, A. M. 1882-7-3 3341 Placer Colfax Comment
  SD237576  Claytonia parviflora subsp. grandiflora G. 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 mile SE (123a^z) of Clementine Dam on the American River (Auburn 7.5'Q) 395 Comment
  UCR250343  Claytonia parviflora subsp. grandiflora George K. Helmkamp, Mary Alice Barnes 2013-4-18 20366 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
  UCD14298  Claytonia parviflora subsp. parviflora Dan Cederquist 1984-5-22 14 Placer along the south side of Rollins Lake; Comment
  UCR250048  Claytonia parviflora subsp. parviflora George K. Helmkamp, Mary Alice Barnes 2013-5-3 20476 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UC942756  Claytonia perfoliata subsp. perfoliata Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4014 Placer s of Auburn (near bridge on Route 49); North Fork American River 213 Comment
  UCR194965  Claytonia perfoliata subsp. perfoliata George K. Helmkamp, E. A. Helmkamp 2007-5-18 12028 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  CDA19550  Claytonia rubra M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 241 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
  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
  UCD22157  Claytonia rubra subsp. rubra Rex Palmer 1979-6-19 N 215 Placer Headwaters Basin Area of the North Fork of the American River. Comment
  UC192272  Claytonia rubra subsp. rubra C. F. Sonne Aug 1883 Placer Head of Donner Lake Comment
  UCD15157  Clematis lasiantha Phyllis Adams 1982-4-24 16 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 365 Comment
  UC885576  Collinsia parviflora A. A. Heller 1917-6-17 12715 Placer below Cisco (near Yuba River) 1676 Comment
  UC26646  Collinsia sparsiflora var. collina H. N. Bolander 1865-4-10 4507 Placer Auburn Comment
  UC26648  Collinsia sparsiflora var. collina H. N. Bolander 1865-4-10 4507 Placer Auburn Comment
  SEINET3480263  Collinsia torreyi L. S. Rose 1941-7-18 1918 Placer Lake Tahoe, Lake Tahoe, Chambers Lodge (McKinney) 1900 Comment
  HSC20610  Collinsia torreyi R. G. Means 1962-6-28 50 Placer N end Lake Tahoe, near Placer County Admin. Bldg. 1921 Comment
  SEINET8731914 Image available Collinsia torreyi L. S. Rose 1941-1 41320 Placer Chambers Lodge (McKinney), Lake Tahoe 1900 Comment
  UC1032614  Collinsia torreyi var. torreyi N. French 1934-6-22 455 Placer near Lake Van Norden (Tahoe National Forest); Tahoe National Forest 2286 Comment
  UC614926  Collinsia torreyi var. torreyi Beryl O. Schreiber 1933-7-21 902 Placer near Mount Ellis Trail above Homewood (Lake Tahoe); Lake Tahoe Comment
  UC885527  Collinsia torreyi var. wrightii A. A. Heller 1917-6-17 12722 Placer Cisco 1828 Comment
  CDA15683  Collomia grandiflora G. F. Hrusa, J. Glazner 1999-7-18 15233 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  JEPS127493  Collomia grandiflora Steve Matson 1998-5-27 304 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267. Comment
  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
  UC1980585  Collomia grandiflora C. Rose Broome, Crissie Cagle 1978-8-2 2311 Placer Laing Rd. (frontage rd. to Rancho Sierra Inn) just S of I-80 at Emigrant Gap exit. Mountain meadow. Comment
  CAS-BOT-BC438830  Collomia heterophylla George K. Helmkamp; Mary Alice Barnes 2013-5-3 20473 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  CDA11992  Collomia heterophylla G. F. Hrusa 1995-5-2 12173 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  UC879773  Collomia linearis Lewis S. Rose 1937-7-29 37610 Placer meadows Tahoe Vista 1905 Comment
  SEINET9287480  Collomia tinctoria Unknown 2000-7-1 15598 Placer Summit Village, Truckee Comment
  UCD15607  Corallorhiza maculata Lisa Montany 1985-5-18 25 Placer Mosquito Ridge Rd, 18.6 miles west of Forest Hill Rd. Comment
  UCD22065  Corallorhiza maculata Beth Lowe Corbin 1982-8-10 294 Placer 3/4 mile WSW of Onion Creek Campground. SE facing slope, 10% incline. Mostly shade. Uncommon. In deep duff of white fir forest. Plant reddish purple. Flower upper petal yellowish, lower white with red spots. 2023 Comment
  SEINET13679557  Cordylanthus mollis subsp. hispidus R. F. Holland, V. I. Dains 1982-8-16 1210 Placer Spring Valley, headwaters of Pleasant Grove Creek, ca 4 miles NW of Rocklin. 46 Comment
  JEPS6795  Cordylanthus tenuis subsp. tenuis W. L. Jepson 1918-8-20 8075 Placer Lake Tahoe Tahoe City 1905 Comment
  UCD162553  Cordylanthus tenuis subsp. tenuis Steve Matson 1997-8-17 177 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; along road North Ave. dirt extension. 1920 Comment
  UCR209743  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15424 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  JEPS86720  Cordylanthus tenuis subsp. tenuis Kristin Berry 1987-7-11 Placer 100 yd n Squaw Creek; Shirley Canyon Comment
  UC33148  Coreopsis stillmanii W. H. Brewer 1865-4-10 4520 Placer Auburn Comment
  SEINET6744638  Cornus nuttallii Marcus E. Jones 1882-1 3304 Placer Emigrant Gap Comment
  SD43764  Cornus sessilis Darley F. Howe 1948-5-22 1924 Placer 1220 Comment
  POM148858  Corydalis caseana C. F. Sonne 1895-07 s.n. Placer Ravine on Truckee River, Sierra Nevada Comment
  CHSC40074  Corydalis caseana subsp. caseana C. F. Sonne 1895-7-1 Placer Sierra Nevada Mountains. Ravine on Truckee River. Comment
  UCD124140  Corylus cornuta subsp. californica Ellen Dean; Davis Botanical Society members 2012-10-13 7514 Placer Along Mosquito Ridge Road, ca. fourteen road miles E of junction with Foresthill Road. Comment
  CDA7481  Cota tinctoria T. C. Fuller 1965-8-1 13941 Placer Sierra Nevada; South side of north shore road just west of state line, Brockway. Comment
  UCD160953  Crepis G. Ledyard Stebbins 1978-5-29 78104 Placer El Dorado National Forest. Little Crater above Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS126418  Crepis capillaris Steve Matson 2002-7-5 558 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; on north side of pond near Highway 28. Comment
  CAS-BOT-BC291525  Crepis intermedia Alice Eastwood 1909-1-1 57 Placer Sunnyside, Lake Tahoe Region Comment
  JEPS86491  Crepis modocensis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6572 Placer ca 5 mi e Donner Lake (e of Tinker Knob); Sherman Chickering's Soda Springs holdings 2621 Comment
  JEPS111225  Crepis occidentalis Steve Matson 2005-7-3 1351 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
  CAS-BOT-BC376574  Crepis pleurocarpa D. L. Smith; G. L. Stebbins 1976-7-3 C 7671 Placer Big Crater, on northwest side of Ralston Ridge 1280 Comment
  POM17651  Crepis pleurocarpa Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  CHSC82604  Cryptantha affinis Lowell Ahart 2002-7-22 9880 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  UC1178527  Cryptantha affinis Malcolm A. Nobs 1950-9-24 Placer e slope Squaw Peak 1828 Comment
  UC78393  Cryptantha affinis Katharine Curran Sep 1888 Placer Blue Canyon Comment
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May 23 2013
  UC193757  Cryptantha humilis C. F. Sonne 1885-6-21 Placer Squar Valley, on Truckee River Truckee River Comment
  UCD75940  Cryptantha torreyana Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5179 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail by creek. 2145 Comment
  CAS-BOT-BC68069  Cryptogramma acrostichoides A. A. Heller 1909-7-16 9837 Placer Summit 2133 Comment
  POM120485  Cryptogramma acrostichoides Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  JEPS73125  Cryptogramma acrostichoides Gladys L. Smith 1972-8-25 3434 Placer meadow below n cirque Granite Chief 2575 Comment
  SEINET6429208  Cryptogramma acrostichoides P. B. Kennedy 1901-8-21 426 Placer By river Talbot's Home Camp, 7 miles from French Meadows. Comment
  CHSC97748  Cuscuta pentagona Lowell Ahart 2007-11-13 14592 Placer On Xanthium strumarium, on the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan. 73 Comment
  UCD21636  Cymopterus terebinthinus Rex Palmer 1979-5-26 N 23 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  CAS-BOT-BC190358  Cynosurus echinatus Peter H. Raven 1950-6-26 2407 Placer Baxter's. 1219 Comment
  SACT000855  Cynosurus echinatus D. Meyer 1983-6-5 Placer On turn-off along roadside. 487.68 Comment
  UCD60169  Cynosurus echinatus Walter N. Johnson 1956-7-25 s. n. Placer North of Auburn. Comment
  UCR249611  Cynosurus echinatus George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20832 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  UCR250045  Cynosurus echinatus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20478 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
  SEINET7581784 Image available Cyperus esculentus Peter H. Raven 1954-8-27 7960 Placer Sierra Nevada, Penryn. Comment
  CAS-BOT-BC70558  Cystopteris fragilis John H. Thomas; Hazelle A. Thomas 1956-7-21 6142 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  RSA692807  Cystopteris fragilis May N. Ackley 1925-06 31 Placer Bear Valley 1372 Comment
  SEINET6627867  Cystopteris fragilis M. J. Williams 1970-6-23 s.n. Placer [Sierra Nevada] Near Cisco Grove 1722 Comment
  SD237422  Cytisus scoparius G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15930 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 156 Comment
  POM364994  Dactylis glomerata L. S. Rose 1944-7-12 44092 Placer Chambers Lodge, Lake Tahoe 1921 Comment
  SACT000874  Dactylis glomerata D. Meyer 1984-5-6 Placer On Garden Bar Road, riparian habitat. 182.0 Comment
  UCD137987  Damasonium californicum Lynn Gould 1962-4-17 49 Placer 6 miles west of Roseville, on P.F.E. Road. Comment
  SACT000885  Danthonia californica var. americana Michael Baad 1983-8-27 Placer 2072.64 Comment
  SACT000890  Danthonia californica var. americana Michael Baad 1983-7-10 Placer Collected in adjacent forest area, 6.9 miles south of Emigrant Gap by roadside. 1432.56 Comment
  UCD60965  Danthonia californica var. americana B. Crampton 1955-7-13 2990 Placer U.S. Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  CAS-BOT-BC194328  Danthonia unispicata John H. Thomas; Hazelle A. Thomas 1956-7-21 6132 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento - Sierra Nevada 2377 Comment
  POM265558  Delphinium decorum C. L. Hitchcock 1940-5-7 6334 Placer 1 mile west of Baxter. Comment
  CHSC67691  Delphinium depauperatum James D. Jokerst 1986-7-13 2738 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, above Ted Beedy's 'El Cap' on trail. Comment
  UCD22178  Delphinium depauperatum Beth Lowe Corbin 1982-8-4 229 Placer 1/3 mile NW of Onion Creek Campground. SW facing slope, 10% inclination. Uncommon. Partial sun. Opening in white fir forest on rocky, fine, sandy soil. Flowers deep blue, with white markings. 1981 Comment
  UC188661  Delphinium glaucum C. F. Sonne 1886-8-15 b Placer canyon above Kneeland's Mill Comment
  CAS-BOT-BC8860  Delphinium glaucum Charles Frederick Sonne 1896-8-16 s.n. Placer Canyon near Truckee Comment
  CAS-BOT-BC8776  Delphinium gracilentum E. K. Balls; L. W. Lenz 1955-5-12 20472 Placer Foothill Wd., 0.8 mi. W of El Dorado-Placer Co. line, Hwy. 49 to Auburn 365 Comment
  UC188637  Delphinium gracilentum C. F. Sonne 1891-5 Placer between Auburn and Colfax Comment
  CAS-BOT-BC8824  Delphinium gracilentum f. versicolor L. S. Smith 1927-8-5 2154 Placer Robertson Flat on Forest Hill 2346 Comment
  CAS-BOT-BC116089  Delphinium nuttallianum Betty J. jorgensen 1944-7-23 529 Placer Near Soda Springs Comment
  CAS-BOT-BC116095  Delphinium nuttallianum A. A. Heller 1919-7-26 13311 Placer Summit meadows west of Donner Pass. 2072 Comment
  CDA12401  Delphinium nuttallianum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8529 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 m SW of Tahoe City. Comment
  UC147573  Delphinium nuttallianum Harriet A. Walker 1908-6-24 1270 Placer Blue Canyon 1432 Comment
  UC2042536  Delphinium nuttallianum Holly Forbes and Barbara Keller 2010-7-13 Placer Tahoe National Forest, at Chalet Road near the intersection of road to parking area and Subway Lift at Alpine Meadows Ski Resort. Comment
  UC854105  Delphinium nuttallianum Lewis S. Rose 1939-6-5 39214 Placer meadow near Emigrant Gap; Bear Valley 1371 Comment
  UCD22186  Delphinium nuttallianum Rex Palmer 1979-6-9 N 177 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC16945  Delphinium variegatum subsp. variegatum Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  RSA97471  Dendromecon rigida Beecher Crampton 1955-6-15 2900 Placer 3 miles west of Iowa Hill 915 Comment
  UCD13362  Dendromecon rigida Anne Marie Weyandt 1989-5-20 21 Placer Placer Co., near road cut. T 14N, R 12E, Sect. 21, SW 1/4. Elev. 3000 ft. 914 Comment
  UCD14363  Dendromecon rigida Bif Soper 1983-5-28 21 Placer 1.5 miles west of the North Fork of the Middle Fork of the American River; 914 Comment
  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
  POM114869  Deschampsia danthonioides Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  RSA35129  Deschampsia elongata L. S. Rose 1944-7-26 44271 Placer Chambers Lodge, Lake Tahoe 1921 Comment
  SACT000941  Deschampsia elongata D. Meyer 1984-5-6 Placer On Garden Bar Road. Riparian habitat. 182.0 Comment
  SACT000957  Deschampsia elongata D. Meyer 1984-8-12 Placer 11.2 km from French Meadows, very wet somewhat boggy and grazed wooded area. 1612.0 Comment
  UCR249609  Deschampsia elongata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20833 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  CAS-BOT-BC40912  Descurainia incana A. A. Heller 1917-8-13 12911 Placer Near Summit hotel. 2133 Comment
  CDA12386  Descurainia incana G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8514 a Placer Lake Tahoe; Upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD42980  Descurainia pinnata subsp. intermedia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 349 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SD239841  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18955 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road. 1041 Comment
  UC1126525  Dicentra formosa N. French 1934-5-31 385 Placer 0.5 mi e Texas Hill; Tahoe National Forest, Colfax Quad. 1584 Comment
  UCR115101  Dicentra formosa G. Fred Hrusa 1995-5-20 12165 Placer Sierra Nevada Mtns., Mosquito Ridge Road, c. 5 km beyond crossing of North Fork of Middle Fork of the American River. 700 Comment
  SDSU7279  Dicentra formosa D. R. Harvey 1960-5-29 Placer Between Forest Hill & Colfax. Comment
  CAS-BOT-BC402450  Dicentra formosa subsp. formosa Marcus E. Jones 1882-6-28 3302 Placer Emigrant Gap Comment
  UCD22166  Dicentra uniflora Rex Palmer 1979-6-21 N 359 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM97784  Dicentra uniflora Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak Comment
  SEINET8472303  Dichelostemma capitatum subsp. capitatum A. Streshley 1976-3-12 s.n. Placer South of Auburn, along the North Fork of the American River. 274 Comment
  UC147599  Dichelostemma multiflorum Harriet A. Walker 1908-6-24 1276 Placer Blue Canyon 1432 Comment
  SEINET3243525  Dichelostemma multiflorum Charles T. Mason Jr. 1948-1 1192 Placer West side of Southern Pacific Railroad track, along highway 99E, near Whintey Station 3 miles south of Lincoln. Comment
  POM109853  Dichelostemma volubile Marcus E. Jones s.n. Placer Auburn Comment
  CAS-BOT-BC290948  Dieteria canescens var. shastensis Alice Eastwood 1909-1-1 248 Placer Lake Tahoe Region. Deer Park 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
  UCD63951  Digitaria ischaemum Beecher Crampton 1965-9-13 7498 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  UCD64110  Digitaria sanguinalis Beecher Crampton 1965-9-13 7495 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  CHSC3158  Diosma ericoides Gary Dutton 1966-4-29 179 Placer Found 228 Donner Ave. Roseville. Comment
  SEINET188372  Diplacus layneae C. L. Hitchcock 1940-1 6406 Placer 6 mi N of Colfax 762 Comment
  CHSC82522  Diplacus leptaleus Lowell Ahart 2002-7-22 9903 Placer On the south side of a 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
  SBBG128856  Diplacus mephiticus G. K. Helmkamp, E. A. Helmkamp 2010-7-28 16679 Placer Forest Hill Rd, 1.8 mi E of Forest Route 13/American Hill Rd 1662 Comment
  CAS-BOT-BC151681  Diplacus torreyi Clare B. Hardham 1961-6-14 7356 Placer Baxter, Rte 40 - Sierra Nevada Mountains 1066 Comment
  RSA300475  Disporum hookeri var. hookeri John Dourley, Walter Wisura 1982-10-13 3857 Placer 1.7 mi SW of Emigrant Gap along forestry rd. 19 1524 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
  UC22359  Dodecatheon alpinum C. J. Fox Jr. July, 1895 Placer near Squaw Peak; near Squaw Peak 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
  RSA20894  Dodecatheon clevelandii subsp. patulum Carl B. Wolf 1937-3-30 8357 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 Comment
  SEINET8561467  Dodecatheon clevelandii subsp. patulum A. Beninghoff 1930-3-18 2586 Placer 5 miles E of Lincoln. Comment
  POM76685  Dodecatheon hansenii Mary E. P. Ames 1891-04 s.n. Placer [Unspecified] Comment
  RSA305929  Dodecatheon hendersonii Fay A. MacFadden 1934-3-30 12422 Placer Dutch Flat. 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
  UCD15166  Dodecatheon hendersonii Phyllis Adams 1982-4-20 10 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 396 Comment
  RSA518788  Dodecatheon hendersonii Barbara J. Ertter, David M. Thompson 1989-4-9 8184 Placer Spring Garden Rd 0.8 mi NE of Foreshill-Auburn rd., ca 4 air mi. W of Foresthill; roadside bank in conifer forest. 671 Comment
  SEINET8561859  Dodecatheon hendersonii M. J. Williams 1969-4-2 s.n. Placer Near Placerville, above Greenstone Lane. Comment
  UCD44009  Dodecatheon jeffreyi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1375 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC84568  Downingia bicornuta var. bicornuta John Dittes 2003-5-25 2003 -23 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
  RSA739597  Downingia bicornuta var. bicornuta John Dittes 2003-5-25 2003 -23 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
  JEPS14462  Downingia ornatissima var. ornatissima Mrs. Ames 1880-5-9 Placer near Roseville 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
  CAS-BOT-BC41961  Draba albertina Alice Eastwood 1909-1-1 283 Placer Lake Tahoe Region. Ward Pass. Comment
  CAS-BOT-BC41960  Draba albertina C. F. Sonne 1885-7-12 12 Placer Sierra Nevada Mountains. Above Coldstream. 2438 Comment
  SEINET5332406 Image available Draba barbata var. treleasei P. B. Kennedy, Samuel Bradford Doten 1901-8-10 271 Placer Summit of range [Sierra Nevada] between Devils Cliff and Tinkers Knob. Comment
  UCR240923  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2012-6-19 19250 Placer Northern Sierra Nevada Mountains, Robinson's Flat, 27 miles east of Forest Hill at the end of Forest Hill Road 2040 Comment
  CAS-BOT-BC159629  Drymocallis glandulosa var. glandulosa Margaret Williams 1974-8-8 74 -P1-17 Placer Murphy's Meadow, 5 miles southeast of Hirschdale - Sierra Nevada 2316 Comment
  UC859905  Drymocallis glandulosa var. reflexa A. A. Heller 1917-6-16 12681 Placer near Dutch Flat; near Dutch Flat 914 Comment
  UC66117  Drymocallis hansenii P. B. Kennedy 1901-8-18 417 Placer 7 mi from French Meadows; 7 mi from French Meadows Comment
  UCD101887  Dudleya cymosa G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10424 Placer Northern Sierra Nevada. 2.1 miles S of Auburn, along CA-Hwy 49. 293 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
  HSC26661  Dysphania botrys Thomas W. Nelson 1972-11-25 709 Placer Beside Del Oro Rd. near Roseville Comment
  CDA1629  Egeria densa R. L. Reeves 1977-1-13 Placer Pond at 990 Stonewood Road, Newcastle. 0 Comment
  CAS-BOT-BC113435  Eleocharis bella Saichi Kawahara 1969-7-6 1442 Placer West bank of Indian Creek, Mel Henderson Ranch. 987 Comment
  CAS-BOT-BC113376  Eleocharis engelmannii Catherine Best 1984-8-11 1032 Placer South Campground, Camp Far West Reservoir. 91 Comment
  SACT001059  Elymus caput-medusae Josephine Van Ess 1975-5-23 Placer Grassy slope ot base of Volcano Hill in pasture. 915.0 Comment
  UC790925  Elymus elymoides subsp. elymoides A. A. Beetle 1941-5-25 2688 Placer 10 mi w Colfax 762 Comment
  SACT001083  Elymus glaucus D. Meyer 1983-7-3 Placer 1152.0 Comment
  SACT001089  Elymus glaucus D. Meyer 1983-8-20 Placer Collected on way to summit off trail at first lake, steep rocky trail with some moist meadow areas. 2000.0 Comment
  SACT001117  Elymus glaucus Michael Baad 1976-7-21 Placer Lower southwest-facing slope. Northeast corner, southeast of Soda Springs. 2377.0 Comment
  SACT001136  Elymus glaucus Michael Baad 1983-6-26 Placer On Michigan Bluff Road. 1158.0 Comment
  UCD37043  Elymus glaucus Beecher Crampton 1956-7-17 3724 Placer Placer County, Blue Canyon. 1432 Comment
  UCD75969  Elymus glaucus Ellen Dean, M. Starbuck,; M. Bibbo, J. Poloske 2008-7-20 5254 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  CAS-BOT-BC206795  Elymus glaucus subsp. glaucus Lewis S. Rose 1944-7-12 44091 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  UCD43242  Elymus glaucus subsp. glaucus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 611 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET12747696  Elymus glaucus var. glaucus W. D. Billings 1940-5-18 1303 Placer Gold Run. Comment
  UCD37110  Elymus multisetus Beecher Crampton 1957-5-7 3979 Placer 3.2 miles N of Roseville, along railroad and U.S. Highway 99E. Comment
  UCD62418  Elymus multisetus Beecher Crampton 1955-7-13 3004 Placer Along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  UCD62604  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1955-6-15 2908 Placer Yankee Jims. Comment
  CDA13695  Elymus trachycaulus subsp. trachycaulus G. F. Hrusa, J. Glazner 1997-8-3 14055 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Uncommon perennial in dry, sandy areas. Openings within Pinus jeffryi/Abies concolor forest. Comment
  CHSC74340  Elymus trachycaulus subsp. trachycaulus Susi Urie 1998-9-2 98 -212 Placer Lake Tahoe Basin-National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UCD44628  Elymus trachycaulus subsp. trachycaulus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1994 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CDA15672  Elytrigia intermedia subsp. intermedia G. F. Hrusa, J. Glazner 1999-7-18 15219 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCR190152  Epilobium angustifolium subsp. circumvagum George K. Helmkamp, E. A. Helmkamp 2007-8-1 12641 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  JEPS129003  Epilobium brachycarpum Steve Matson 1997-7-25 2703 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/ Kings Beach; 30 m east of pond near highway. Comment
  UCD105355  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12644 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  UCR200858  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2008-9-15 14102 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  CAS-BOT-BC171973  Epilobium canum subsp. latifolium G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; J. Hunziker; H. Stutz; D. Zohary 1952-7-19 5122 Placer Along North fork Amercian River, 2 miles south of Colfax, about 1/2 mile east of bridge of Iowa Hill Road Comment
  POM83379  Epilobium canum subsp. latifolium Robert Kessler s.n. Placer Lake Tahoe region Comment
  SEINET12861983  Epilobium canum subsp. latifolium P. B. Kennedy 1901-1 278 Placer [Sierra Nevada] Summit of range between Devil's Cliff and Tinker's Knob. Comment
  OBI12068  Epilobium ciliatum Robert F. Hoover 1967-9-5 10844 Placer Carnelian bay, Lake Tahoe Comment
  UCD105784  Epilobium ciliatum subsp. ciliatum G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12956 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD22092  Epilobium ciliatum subsp. ciliatum Rex Palmer 1979-7-9 N 437 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD37360  Epilobium ciliatum subsp. ciliatum Beecher Crampton 1959-7-23 5425 Placer 6 miles north of Folsom, in vicinity of Stallman Corners. Comment
  CHSC73678  Epilobium ciliatum subsp. glandulosum L. P. Janeway; Eric Schroder 1998-9-16 6335 Placer Lake Tahoe Basin--National Forest. Meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  JEPS102473  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2001-10-10 9355 Placer French Meadows Reservoir, about 1/4 mile NE of boat or trail access area on NW side of reservoir, about 3/4 mile SW of bridge across Middle Fork of American R, about 1 3/4 mi SW of Ahart Camp, about 22 mi (air) NE of Forest Hill. Along river. 1591 Comment
  UCD44459  Epilobium ciliatum subsp. glandulosum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1825 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CDA25001  Epilobium densiflorum J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  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
  SEINET4691683  Epilobium glaberrimum subsp. glaberrimum George K. Helmkamp, E. A. Helmkamp 2010-1 16794 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing. Comment
  UCR240961  Epilobium glaberrimum subsp. glaberrimum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19912 Placer Northern Sierra Nevada Mountains, Blue Canyon Road south of I-80 and 0.1 mile north of the Southern Pacific Railroad crossing 1451 Comment
  UCD42979  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 348 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43290  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 658 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD42967  Epilobium lactiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 336 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC1122540  Epilobium obcordatum B. Bolt 1934-7-17 138 Placer 1/2 mi sw Walker Mine (Plot 216); Tahoe National Forest, Truckee Quadrangle Comment
  UC191835  Epilobium obcordatum C. F. Sonne 1893-8-29 Placer near Tinker's Knob Comment
  UCD22091  Epilobium obcordatum Rex Palmer 1979-7-25 N 671 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR148825  Epilobium obcordatum G. Fred Hrusa, J. Glazner 2001-7-15 15949 Placer Northern Sierra Nevada Mountains, Near summit of Crows Nest Peak, immediately west of Sugarbowl 2378 Comment
  UCD75768  Epilobium oregonense Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5240 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  SD114120  Epilobium paniculatum Darley F. Howe 1978-7-14 5074 Placer Route 20, 29 miles west of Truckee. 1646 Comment
  CDA40869  Epilobium torreyi D. Joley 1995-6-12 Placer Dry Creek Road, I-80 east of Auburn near Applegate. 0 Comment
  CHSC74054  Equisetum arvense Susi Urie 1998-8-13 98 -039 Placer Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UC1729971  Equisetum arvense L. P. Janeway, Eric Schroder 1998-9-16 6334 Placer creek about 2.2 mi sw of Lake Tahoe (about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  UCD44510  Equisetum arvense C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1876 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC57828  Equisetum hyemale subsp. affine Geo. B. Grant 1906-7-15 6936 Placer Tahoe Tavern, lake Tahoe. 1889 Comment
  CAS-BOT-BC204440  Eragrostis cilianensis Catherine Best 1984-8-11 1034 Placer South Camp, Camp Far West Reservoir 91 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
  UCD64356  Eragrostis pectinacea Beecher Crampton 1967-7-26 8161 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80W, junction of Meadow Vista Road. 487 Comment
  UCD64328  Eragrostis pectinacea var. pectinacea Beecher Crampton 1953-10-6 1661 Placer north Lincoln city limit. Comment
  CHSC97759  Eragrostis pilosa var. pilosa Lowell Ahart 2007-11-13 14601 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan. 73 Comment
  UCD75727  Eremogone kingii var. glabrescens Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5166 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail between creek and trail. 2136 Comment
  UC669305  Ericameria bloomeri Annie M. Alexander and Louise Kellogg 1941-10-3 2643 Placer Truckee River 1828 Comment
  UC55137  Ericameria discoidea Miss Lydia K. Tangier-Smith 1901-1-1 Placer Tahoe, at the Grove Tahoe Comment
  JEPS71573  Ericameria nauseosa var. speciosa Gladys L. Smith 1972-8-25 3420 Placer Granite Chief 2712 Comment
  CHSC73652  Erigeron coulteri L. P. Janeway; Eric Schroder 1998-9-16 6332 Placer Lake Tahoe Basin--National Forest. Meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  UC1505802  Erigeron coulteri Robert T. Clausen and Harold Trapido 1940-7-13 4891 Placer 2 mi w Lake Tahoe (along Ward Creek); Pacific Slope, Lake Tahoe Basin, Ward Creek 1905 Comment
  UCD41260  Erigeron foliosus Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1717 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  UCR218224  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2010-6-26 16413 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
  RSA531316  Erigeron glacialis Walter Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4539 Placer Squaw Valley beyond upper cable car stn. on SW slope. Comment
  JEPS59479  Erigeron glacialis var. glacialis Ezra Brainerd and Viola B. Baird 1915-7-25 221 Placer above Deer Park Inn (Garden of the Gods); Sierra Nevada Mts. 2133 Comment
  UCD74029  Erigeron glacialis var. glacialis Jennifer W. Burt; Sarah Shannon 2005-7-8 103 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from center of abandoned ski run. 1920 Comment
  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-BC295204  Erigeron inornatus A. A. Heller 1916-8-13 12895 Placer Summit Station 2133 Comment
  UC148922  Erigeron inornatus var. inornatus H. M. Hall 1910-6-10 8750 Placer Cisco 1828 Comment
  UCD69356  Erigeron miser S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. Old-growth red fir forests (Abies magnifica) near French Meadows. 2100 Comment
  SD43635  Erigeron philadelphicus Darley F. Howe 1948-5-23 Placer American River 305 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
  CAS-BOT-BC255404  Eriogonum Saichi Kawahara 1969-7-6 1473 Placer Finning Mill Road just south of Sugar Pine Road, Tahoe National Forest 1139 Comment
  UC480709  Eriogonum incanum W. C. Blasdale 1923-7-13 Placer top of Ellis Peak Lake Tahoe Region, Ellis Peak Comment
  SEINET5330425  Eriogonum lobbii W. D. Billings 1951-8-21 2149 Placer E. of Granite Chief, Sierra Nevada 2621 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
  CDA24997  Eriogonum nudum J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  SCFS11529123  Eriogonum nudum E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UCR231841  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16788 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  SEINET5330910  Eriogonum nudum var. deductum P. A. Lehenbauer 1932-9-11 1438 Placer Carnelian Bay, Lake Tahoe Comment
  UC1035671  Eriogonum nudum var. deductum Kay H. Beach 1940-6-30 795 Placer 2 1/2 mi w Cisco (s side of Yuba River); Yuba River 1981 Comment
  CHSC45849  Eriogonum nudum var. nudum Lowell Ahart 1972-7-7 141 Placer On bare old gravel bars, near the Middle Fork of the American River, across the river from Ahart Camp, French Meadows. 1615 Comment
  UCD100610  Eriogonum nudum var. nudum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11216 Placer Northern Sierra Nevada Mtns; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  UCR241766  Eriogonum nudum var. nudum George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19804 Placer Northern Sierra Nevada Mountains, along Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  SD50757  Eriogonum nudum var. pubiflorum Darley F. Howe 1959-8-1 2769 Placer 2 miles north of Auburn 456 Comment
  CAS-BOT-BC269936  Eriogonum spergulinum var. reddingianum Betty J. Jorgensen 1944-7-2 514 Placer Along summit near Donner Pass Comment
  CAS-BOT-BC269942  Eriogonum spergulinum var. reddingianum Alice Eastwood 1909-1-1 96 Placer Lake Tahoe Region. Sunnyside Comment
  RSA424932  Eriogonum spergulinum var. reddingianum Fay A. MacFadden 1936-8-20 12856 Placer Cisco Comment
  JEPS111184  Eriogonum strictum var. proliferum Steve Matson 2005-7-10 1390 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and north of Martis Creek, 500 meters W of parking area 1783 Comment
  UCD22125  Eriogonum umbellatum var. covillei Rex Palmer 1979-6-21 N 405 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET9292443  Eriogonum umbellatum var. nevadense Unknown 2000-7-1 15632 Placer Summit Village, Truckee Comment
  UC615502  Eriogonum umbellatum var. nevadense Beryl O. Schreiber 1932-9-11 770 Placer Summit Comment
  UCD101380  Eriogonum umbellatum var. nevadense Tamara Kan 1992-7-25 s.n. Placer east slope of Silver Peak in open habitat. 2316 Comment
  UCD21936  Eriogonum umbellatum var. nevadense Rex Palmer 1979-5-27 N 79 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD75759  Eriogonum umbellatum var. nevadense Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5231 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, along undeveloped road downslope of off-road vehicle location. 2194 Comment
  RSA793116  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  UC128135  Eriogonum ursinum Miss Harriet A. Walker 1908-7-26 1432 Placer Cisco 1810 Comment
  UC767885  Eriogonum ursinum R. F. Hoover 1938-7-30 3711 Placer Emigrant Gap Comment
  JEPS56203  Eriogonum ursinum Leland S. Smith 1914-8-11 Placer near Loch Leven (5 mi n of Cisco) 2133 Comment
  CAS-BOT-BC262326  Eriogonum vimineum Catherine Best 1985-9-15 1144 B Placer At Sugar Pine Reservoir about 6 miles north of Foresthill 1158 Comment
  SCFS11529134  Eriogonum wrightii E. Krimmel, F. Felix 2012-9-13 Placer NFAm trail 1 mi above Heath Falls. Comment
  SEINET3814379 Image available Eriogonum wrightii subsp. trachygonum Lewis S. Rose 1938-9-14 38260 Placer South Fork of Yuba River. 1615 Comment
  CAS-BOT-BC205645  Eriogonum wrightii var. subscaposum James R. Shevock 1985-8-9 11333 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  JEPS72791  Eriogonum wrightii var. subscaposum Gladys L. Smith 1972-8-25 3444 Placer Glacial stairsteps above Squaw Valley (on trail to Granite Chief) 2194 Comment
  RSA423165  Eriogonum wrightii var. subscaposum Alice Eastwood 1934-8-10 12857 Placer Cisco. Comment
  RSA750702  Eriogonum wrightii var. subscaposum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14023 Placer Donner Pass Road on the west side of Donner Pass and east of Norden. 2149 Comment
  SEINET5332157  Eriogonum wrightii var. subscaposum P. B. Kennedy, Samuel Bradford Doten 1901-8-18 421 Placer French Meadows. Comment
  CAS-BOT-BC301311  Eriophyllum lanatum var. croceum M. E. Jones 1882-6-27 s.n. Placer Emigrant Gap Comment
  SD112726  Eriophyllum lanatum var. grandiflorum Darley F. Howe 1948-5-21 1932 Placer 455 Comment
  UC147582  Eriophyllum lanatum var. grandiflorum Harriet A. Walker 1908-6-24 1249 Placer Blue Canyon 1432 Comment
  UC31785  Eriophyllum lanatum var. grandiflorum C. F. Sonne 1891-5-17 17 Placer below Auburn; Sierra Nevada Mountains Comment
  UC507054  Eriophyllum lanatum var. grandiflorum Mrs. Helen Sharsmith 1933-5-14 E 21 Placer along the highway on filled-in ground Auburn Comment
  UCR173277  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10441 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  CAS-BOT-BC308250  Eriophyllum lanatum var. integrifolium L. S. Smith 1926-5-23 1829 Placer Forest Hill Divide, Tahoe Forest 762 Comment
  UCR238600  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2012-3-31 18649 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  RSA21166  Eryngium castrense C. B. Wolf 1937-6-11 8775 Placer Sacramento Valley, 1 mile north of Lincoln 46 Comment
  UC874923  Eryngium castrense Marcus E. Jones, A. M. 1882-7-8 3602 Placer Auburn Comment
  SEINET9112080  Eryngium vaseyi var. castrense Unknown 1951-5-28 2824 Placer 2 miles north of Lincoln, Sacramento Valley 61 Comment
  UCD43170  Erysimum capitatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 539 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR191094  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12329 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  RSA101880  Erysimum capitatum var. perenne G. B. Rossbach, Ruth P. Rossbach 1938-7-23 896 Placer S side Donner Pass, just W of Donner Lake. (Several miles W of type locality for E. nevadense Heller). 2226 Comment
  UC1034890  Erysimum perenne G. B. and R. P. Rossbach 1938-7-23 896 Placer s side of pass just w Donner Lake; Donner Pass 2225 Comment
  CHSC11052  Erythranthe cardinalis Lowell Ahart 1966-8-12 Placer French Meadows. 1676 Comment
  SEINET14200104  Erythranthe floribunda C. Aarstad, H. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junction with North Fork of Middle Fork of American River, Mosquito Ridge Road to French Meadows. 518 Comment
  SD234525  Erythranthe guttata G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12183 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River. 800 Comment
  SEINET6793894 Image available Erythranthe lewisii Sally Walker 1982-1 Placer Ski area above Tahoe, Truckee Rd Comment
  CAS-BOT-BC505237  Erythronium grandiflorum A. A. Heller 1917-6-17 12685 Placer Granite rocks near the Yuba river below Cisco 1676 Comment
  CAS-BOT-BC505238  Erythronium grandiflorum Miss. T. V. Raphael 1923-7-6 s. n. Placer Cisco Comment
  UC197230  Erythronium multiscapideum C. F. Sonne 1891-4-5 Placer hillside below Bloomer cut; Auburn Comment
  UC1533102  Erythronium purpurascens Jon Winter 1970-7 Placer Duncan Peak Lookout Station Tahoe Nat'l Forest 2189 Comment
  CAS-BOT-BC403343  Eschscholzia californica Kate E. Phelps 1937-5-28 s.n. Placer Applegate 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
  RSA11787  Eschscholzia lobbii Elmer I. Applegate 1928-4-22 5363 Placer Above Auburn on Grass Valley road Comment
  POM97349  Eschscholzia lobbii Mary E. P. Ames 1891-04 s.n. Placer Auburn. Comment
  UC186882  Eschscholzia lobbii C. F. Sonne 1891-4-5 Placer Newcastle-Penryn Comment
  CAS-BOT-BC310366  Eucephalus breweri L. S. Smith 1927-8-5 2155 Placer Tahoe National Forest. Robertson Flat, Forest Hill Dist. Comment
  SEINET4560812  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2011-1 18164 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2019 Comment
  UCD131638  Eucephalus breweri Frederica Bowcutt 1994-7-22 1945 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  UCD18255  Eucephalus breweri E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 467 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  UCR229556  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2011-7-26 17901 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  SEINET9373704  Eucephalus breweri Unknown 2000-9-3 15664 Placer Placer Comment
  CAS-BOT-BC202404  Euphorbia ocellata Gordon H. True 1972-8-23 7409 Placer Northern outskirts of Lincoln Comment
  UC1179070  Eurybia integrifolia Herbert L. Mason 1939-8-3 12205 Placer near Lake Tahoe; Squaw Creek Valley 1889 Comment
  UC203811  Eurybia integrifolia A. A. Heller 1917-8-13 12906 Placer near Summit hotel 2133 Comment
  UCD43192  Eurybia integrifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 561 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS31884  Eurybia integrifolia Rowena Beans 1914-9-7 Placer 6 mi from Tahoe Tavern Comment
  UCR258181  Euthamia occidentalis George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20040 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  CAS-BOT-BC459216  Euthamia occidentalis G. P. Rixford 1913-9-2 3167 Placer Loomis Comment
  UCD42960  Festuca idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 329 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD37227  Festuca occidentalis Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  SACT001178  Festuca pratensis D. Meyer 1983-8-20 Placer Moist roadside meadow, some revegetation after residential construction. 2000.0 Comment
  SACT001193  Festuca rubra D. Meyer 1983-8-7 Placer 4.6 miles south of county line. Roadside. 1758.0 Comment
  SACT001199  Festuca subulata D. Meyer 1984-6-17 Placer Just south of bridge over American River 545.0 Comment
  UC818180  Festuca viridula A. A. Heller 1917-8-14 12926 Placer s of Summit Valley; Mt. Lincoln 2499 Comment
  SEINET10831688  Festuca viridula A. Arthur Heller 1917-8-14 Heller 12926 Placer Mt. Lincoln south of Summit valley. On a steep gravelly slope, with a few scattered trees of Hesperopeuce mertensiana near the crest. 2499 Comment
  RSA79292  Fragaria californica E. K. Balls, Percy C. Everett 1952-10-8 18121 Placer 1 mile S of Deer Park, Hwy 89, along Truckee River. 1982 Comment
  UCD43858  Fragaria vesca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1224 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC53543  Frangula californica subsp. tomentella Doris K. Kildale 1928-8-23 6644 Placer near Colfax Comment
  SBBG27460  Frangula californica subsp. tomentella D. K. Kildale 1928-8-23 Placer Sierra foothills Comment
  UCD113129  Frangula rubra G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12068 Placer Nothern Sierra Nevada Mountains; Sugar Pine Road, 0.2 mile northwest of Forest Hill Road. 1360 Comment
  UCD121438  Frasera albicaulis var. nitida Forest Service 1917-5-1 s.n. Placer Or Plumas Co. Downieville. Comment
  CAS-BOT-BC504555  Fritillaria atropurpurea Hazelle A. Thomas; John H. Thomas 1956-7-21 6095 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevad 2377 Comment
  CAS-BOT-BC504550  Fritillaria atropurpurea Alice Eastwood 1912-6-15 407 Placer Deer Park, Lake Tahoe Region Comment
  CHSC3140  Fuchsia hybrida Gary Dutton 1966-4-29 169 Placer Found 228 Donner Ave. Roseville. Comment
  POM67221  Galium aparine Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  POM67595  Galium bolanderi Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SD235015  Galium bolanderi G. K. Helmkamp, E. A. Helmkamp 2006-8-11 11214 Placer Northern Sierra Nevada Mtns foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill. 1310 Comment
  UCR249615  Galium bolanderi George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20840 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.1 mile northwest of its junction with Spring Garden Road 738 Comment
  POM303632  Galium grayanum var. grayanum J. T. Howell 1943-7-26 18840 Placer Mt. Lincoln. Comment
  SEINET11616247  Galium grayanum var. grayanum W. D. Billings 1950-7-30 1920 Placer NE side of Squaw Peak, Sierra Nevada 2560 Comment
  UC1143088  Galium grayanum var. grayanum N. French 1934-6-22 351 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  RSA739714  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2007-5-23 12064 Placer Northern Sierra Nevada Mtns.: Humbug Canyon Road, 0.2 miles NW of Forest Hill Rd., generally SW of Westville 1576 Comment
  UCD149392  Galium sparsiflorum G. Ledyard Stebbins 1976-7-3 7670 Placer Big Crater. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET4691689  Galium sparsiflorum subsp. sparsiflorum George K. Helmkamp, E. A. Helmkamp 2010-1 16781 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing. 1552 Comment
  CDA13682  Galium trifidum var. pacificum G. F. Hrusa, J. Glazner 1997-8-3 14042 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC74253  Galium trifidum var. pacificum Susi Urie; Eric Schroder 1998-9-10 98 -324 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CHSC74260  Galium trifidum var. pacificum Susi Urie 1998-9-3 98 -238 Placer About 0.5 mi north of Lake Tahoe. 1914 Comment
  UCD73856  Garrya buxifolia Charles Goldman 1958-12 s. n. Placer Castle Lake. 1584 Comment
Read comments
Aug 28 2014
  SACT001228  Gastridium ventricosum Josephine Van Ess 1979-5-15 Placer Collected on horse trail north from Twin Rocks Road at beginning of chamise area. Edge of chaparral. 152.4 Comment
  SACT001230  Gastridium ventricosum Michael Baad 1983-6-26 Placer On path to El Dorado Canyon. 1 mile east of Michigan Bluff. 609.0 Comment
  UCD103742  Gayophytum L. M. Sparks 1912-7-1 67 Placer Lake Tahoe. 1920 Comment
  UCR240944  Gayophytum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19896 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  CDA15964  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, J. Glazner 1999-7-17 15125 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCR240913  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2012-6-19 19234 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  UC422801  Gayophytum heterozygum Martha Brier June 1894 Placer near Fowler; Bear Valley Comment
  POM183572  Gayophytum racemosum P. A. Munz 1928-6-25 11092 Placer Tahoe Camp, Lake Tahoe. 2000 Comment
  UCD105747  Genista monspessulana Michael A. Vincent 1999-6-12 8633 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. Comment
  UCR219495  Genista monspessulana Bill Haley 2009-5-12 s.n. Placer Stevens Trail near Colfax, c. 1.2 mi from trailhaed parking area on North Canyon Way, Southwest corner of trail junction leading to Burnt Flat region. Old homesteads are in the area 598 Comment
  JEPS72491  Gentiana calycosa Gladys L. Smith 1972-6-18 3153 Placer above Alpine Meadows 2133 Comment
  SEINET8586235  Gentiana calycosa W. D. Billings 1951-8-21 2146 Placer Sierra Nevada, E of Granite Chief. 2499 Comment
  UCD150769  Gentianopsis simplex James A. Neilson Jr. 1971-8-31 2564 Placer Tahoe Basin, top of Buck Lake. 2255 Comment
  SEINET3245948  Geranium dissectum G. K. Helmkamp, E. A. Helmkamp 2010-1 15904 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-40 at Pilot Hill (Pilot Hill 7.5') 287 Comment
  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
  UCD43324  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 692 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR120237  Geum macrophyllum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5067 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  JEPS71884  Geum triflorum Gladys L. Smith 1972-8-25 3411 Placer below Watson Monument (trail to Granite Chief) 2590 Comment
  JEPS127519  Geum triflorum var. ciliatum Steve Matson 1997-7-5 42 Placer nSNH: jMartis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north side of Hwy 267, 1 kilometer west of Martis Creek. Comment
  JEPS103385  Gilia capillaris Lowell Ahart 2002-7-22 9893 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  RSA0035476  Gilia capitata subsp. mediomontana George K. Helmkamp, Elizabeth A. Helmkamp 2013-6-11 20828 Placer junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  UC147605  Gilia capitata subsp. mediomontana Harriet A. Walker 1908-6-27 1325 Placer Blue Canyon 1432 Comment
  UCR232649  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2011-9-30 18342 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  UCR256998  Gilia capitata subsp. pedemontana George K. Helmkamp, Amy Barnes 2014-4-23 22787 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  SEINET7963104 Image available Gilia gilioides L. S. Rose 1941-1 41299 Placer Chambers Lodge (McKinney), Lake Tahoe 640 Comment
  UCR120494  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5072 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  RSA0013386  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2010-7-28 16667 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction of Soda Springs Road at Robinson Flat 2040 Comment
  JEPS103556  Glyceria borealis Lowell Ahart 2002-7-22 9907 Placer In a small lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  CAS-BOT-BC282691  Glyceria elata Saichi Kawahara 1969-7-6 1005 Placer West bank of Indian Creek, Mel Henderson Ranch 987 Comment
  SACT001257  Glyceria elata D. Meyer 1984-8-26 Placer 1660.0 Comment
  SACT001261  Glyceria elata Michael Baad 1976-8-25 Placer 3-4 miles west of Sunnyside. 2072.0 Comment
  UCD22251  Glyceria elata Beth Lowe Corbin 1982-8-19 390 Placer 1 mile SSW of The Cedars. NW facing slope, 20% incline. Common. Mostly sun. Meadow in logged white fir forest. Perennial, culms 1 m tall. 1813 Comment
  UCD66829  Glyceria elata Beecher Crampton 1955-7-13 2998 Placer 3.5 miles east of Baxter, along U.S. Highway 40. 1432 Comment
  JEPS109981  Glyceria grandis Dean W. Taylor 2004-7-7 19175 Placer Truckee River, ca. 200 m below confluence with Bear Creek (Alpine Meadows Road), E side of river downslope from bike path 1886 Comment
  UCD22252  Glyceria striata Rex Palmer 1979-7-26 N 850 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR218233  Gnaphalium californicum George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16445 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road on the west side of Iowa Hill Bridge over the North Fork of the American River 345 Comment
  CAS-BOT-BC307371  Gnaphalium palustre Catherine Best 1981-8-1 s.n. Placer Big Meadow about 3 miles south of French Meadows, Sierra Nevada 1600 Comment
  CHSC74206  Gnaphalium palustre Susie Urie; Eric Schroder 1998-9-8 98 -297 Placer Lake Tahoe Basin--National Forest. Meadow complex on the north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CHSC67701  Gratiola ebracteata James D. Jokerst 1986-4-14 2620 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  CHSC68055  Gratiola ebracteata James D. Jokerst; Mary Meyer 1987-4-17 2807 Placer Johnson Ranch N of Douglas Rd. and E of Hwy. 80. Comment
  CHSC96509  Gratiola ebracteata Lowell Ahart; Brian Williams 2007-4-13 13653 Placer On damp granite soil, on the bottom 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
  UCD147086  Gratiola ebracteata Chuck Hughes 2013-5-6 371 Placer Southwest margin of Camp Far West Reservoir. 95 Comment
  CAS-BOT-BC314605  Grindelia hirsutula John Thomas Howell; Gordon H. True 1971-5-26 47637 Placer Northern limits of Lincoln 48 Comment
  JEPS71663  Hackelia micrantha Gladys L. Smith 1972-6-18 3136 Placer Alpine Meadows 2072 Comment
  UCD22129  Hackelia micrantha Rex Palmer 1979-6-20 N 282 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET12618627  Hackelia nervosa A. A. Heller 1912-1 10591 Placer Summit. 2073 Comment
  JEPS55578  Hackelia velutina W. L. Jepson 1918-7-30 7727 Placer near Tahoe City; Lake Tahoe Comment
  SEINET11849111  Haplopappus acaulis C. F. Sonne 1885-1 s.n. Placer Tinkers Knob, Sierra Nevada Mts 2743 Comment
  SCFS1002  Helianthella californica E. Krimmel 2014-6-26 Placer Ridge top. Top of switchbacks on Soda Spring road Comment
  UC88866  Helianthella californica subsp. nevadensis unknown 1888-9-1 Placer Blue Canyon Comment
  UCD21774  Helianthella californica var. nevadensis Rex Palmer 1979-7-11 N 586 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC305509  Helianthus bolanderi Rimo Bacigalupi; G. L. Stebbins; Daniel Zohary; Howard Stutz; Alex D. Hawkes; Juan Hunziker; Fritz Ehrendorfer 1952-7-20 3883 Placer Seven miles east of Iowa Hill 1158 Comment
  CAS-BOT-BC314973  Hemizonella minima Miss. H. A. Walker 1910-6-1 2036 Placer Deer Park Comment
  UC163962  Hemizonella minima Miss Harriet A. Walker June, 1910 2036 Placer Deer Park Lake Tahoe District Comment
  UCD21781  Hemizonella minima Rex Plamer 1979-6-8 N 124 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA38359  Heracleum lanatum T. C. Fuller 1973-8-23 19979 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  POM75559  Hesperochiron californicus Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
  UC880732  Hesperochiron californicus A. A. Heller 1917-6-17 12703 Placer along Yuba R. below Cisco; Yuba R. 1676 Comment
  CAS-BOT-BC123626  Hesperochiron latifolius Albert Kellogg s.n. Placer Cisco Comment
  UCR194936  Hesperolinon californicum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12017 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  JEPS103510  Heterocodon rariflorum Lowell Ahart 2002-7-22 9883 Placer About 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
  HSC27261  Heteromeles arbutifolia J. P. Smith 1972-3-22 5093 Placer Bridge over N Fork of American River. 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
  UCD16138  Heuchera micrantha var. erubescens S. Boshoven 1983-5-30 9 Placer California. Placer County: Mosquito Ridge Rd., 13.5 mi from Forest Hill Rd. and Mosquito Ridge intersection. 1219 Comment
  CAS-BOT-BC425220  Heuchera rubescens D. L. Smith; G. L. Stebbins 1976-7-3 C 7673 Placer Big Crater, on northwest side of Ralston Ridge 1249 Comment
  UC11368  Heuchera rubescens var. glandulosa Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC319603  Hieracium albiflorum Alice Eastwood 1909-1-1 193 Placer Sunnyside Comment
  SBBG66312  Hieracium albiflorum M. N. Ackley -Jun-1925 153 Placer Gold Run 983 Comment
  UCD132317  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR206726  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15202 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCR250140  Hieracium albiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20812 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  CAS-BOT-BC541434  Hieracium argutum G. Ledyard Stebbins 1970-7-12 7054 Placer In canyon of North Fork of American River at Rawhide Mine, 4.5 mi E of Alta [exact location unknown] 762 Comment
  JEPS71821  Hieracium horridum Gladys L. Smith 1972-8-25 3441 Placer glacial stairstep between Squaw Valley and Granite Chief 2194 Comment
  SACT001287  Holcus lanatus Josephine Van Ess 1972-6-11 Placer Barton Road and Seven Cedars Road. Collected along Seven Cedars Road. Low moist area. Comment
  SD44648  Holcus lanatus Darley F. Howe 1951-5-2 2108 Placer Placer Co 456 Comment
  SEINET9259607  Holcus lanatus George K. Helmkamp, Amy Barnes 2014-1 22817 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with FOresthill Road, 8.4 km west of Foresthill 719 Comment
  UCD36120  Holcus lanatus Beecher Crampton 1952-11-9 920 Placer Placer County, 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  CHSC96323  Holocarpha virgata subsp. virgata L. P. Janeway 2006-8-24 8873 Placer Sacramento Valley. Along Hwy 193 about 3.5 km north of Lincoln. 41 Comment
  SCFS871  Holodiscus discolor E. Krimmel, F. Felix 2013-6-2 Placer North Fork American River. Top of Foresthill Rd. Comment
  SACT001299  Hordeum brachyantherum D. Meyer 1983-7-30 Placer Both sides of road in moist soil. 2072.64 Comment
  SACT001303  Hordeum brachyantherum D. Meyer 1983-7-16 Placer 1853.18 Comment
  UCD85460  Hordeum brachyantherum L. S. Smith 1931-7-24 s.n. Placer Marlette Lake east of Lake Tahoe. 2438 Comment
  SACT001331  Hordeum depressum Josephine Van Ess 1976-3-31 Placer Collected at top of hill north of Rocklin about 6 miles of Placer. Dried up depression. 83.8 Comment
  SACT001340  Hordeum geniculatum D. Meyer 1983-7-3 Placer 1152.0 Comment
  SACT001366  Hordeum leporinum Josephine Van Ess 1975-5-9 Placer Collected uphill from Linda Creek toward old homestead area. Rather flat and lightly shaded area. 91.5 Comment
  SACT001377  Hordeum leporinum D. Meyer 1983-5-7 Placer Comment
  UCR172651  Hordeum murinum subsp. leporinum George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10196 Placer Northern Sierra Nevada Foothills, Forest Hill Road, 2.5 mi east of its junction with Calif. Hwy 49. North side of the middle fork of the American River, NE of Auburn 274 Comment
  SACT001358  Hordeum vulgare D. Meyer 1983-5-15 Placer Moist roadside ditch next to cultivated field. 20.0 Comment
  UCD86534  Hordeum vulgare Beecher Crampton 1957-5-7 3982 Placer Along US Hwy. 99E, 3.2 miles N of Roseville. Comment
  RSA169484  Horkelia fusca subsp. parviflora L. S. Rose 1963-7-11 63211 Placer Tahoma, Lake Tahoe. 1916 Comment
  RSA451906  Horkelia fusca subsp. parviflora Bonnie C. Templeton 1931-7-5 1519 Placer Meeks Bay, Lake Tahoe. 2250 Comment
  UC860225  Horkelia fusca subsp. parviflora Alice Eastwood Jun 15 1912-Jun 19 1912 454 Placer Deer Park Lake Tahoe Region Comment
  RSA366610  Horkelia fusca subsp. parviflora Fay A. MacFadden 1934-7-26 12689 Placer Foot of Red Mt. near Cisco. Comment
  CAS-BOT-BC537867  Horkelia fusca var. parviflora Lewis S. Rose 1963-7-11 63211 Placer Tahoma, Lake Tahoe 1915 Comment
  CAS-BOT-BC537868  Horkelia fusca var. parviflora F. Almeda 1993-7-25 7288 Placer Montane meadow, Soda Springs about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 Comment
  CAS-BOT-BC514266  Horkelia fusca var. pseudocapitata Margaret J. Williams 1985-7-6 85- 61 -8 Placer Sierra Nevada: near old Donner Summit, S of Lake Mary 2286 Comment
  SEINET9349643  Horkelia tridentata Unknown 2009-5-11 14651 Placer Sierra Nevada Mountains Foothills 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
  CAS-BOT-BC143406  Horkelia tridentata var. tridentata E. K. McPherson 1976-9-19 26 -28 10 Placer One mile east of Talbot Campground; near Middle Fork American River 1767 Comment
  CAS-BOT-BC537973  Horkelia tridentata var. tridentata Clare B. Hardham 1961-6-14 7366 Placer Baxter Rte 40 Comment
  CAS-BOT-BC537982  Horkelia tridentata var. tridentata Dr. A. Kellogg 1870-6-14 s. n. Placer Cisco Comment
  UCD106040  Hosackia incana Richard Hanes 2001-4-30 300 Placer Garret Rd. 944 Comment
  SD6063  Hosackia oblongifolia var. oblongifolia Unknown Jul 1914 Placer Cisco Comment
  JEPS71650  Hydrophyllum capitatum var. alpinum Gladys L. Smith and Betsy Wilson Jun 1971 3035 Placer 5 mi w Lake Tahoe (Alpien Meadows at foot of Ward Peak); Alpine Meadows, Ward Peak 2438 Comment
  CAS-BOT-BC312747  Hymenoxys hoopesii Emily McPherson; Arnold Tiehm; Margaret Williams No date on label 74 -P1-43 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  POM86318  Hypericum I. E. Diehl 1902-7-7 50 Placer Colfax Comment
  UCD22033  Hypericum anagalloides Beth Lowe Corbin 1982-8-19 378 Placer 1 1/2 miles south of The Cedars. NE facing slope, 10% incline. Common, mostly sun. Flowers deep yellow. In moist, very fine, sandy soil of small meadow in white fir forest. 1859 Comment
  UC420707  Hypericum concinnum W. W. Mackie Apr 1 1904-May 1 1904 Placer Newcastle Comment
  UCD110360  Hypericum concinnum Jean Dougherty 1986-5-31 86 -25 Placer On Mosquito Ridge Road, 0.3 miles after junction with Foresthill Road. Comment
  CAS-BOT-BC312896  Hypochaeris glabra L. S. Smith 1926-5-23 1827 Placer Tahoe National Forest. Forest Hill below town along road 762 Comment
  CDA32869  Hypochaeris glabra CDFA Staff 1980-1 Placer Auburn: Agricultural Commissioner's Office 0 Comment
  CDA36751  Hypochaeris glabra D. B. Joley 1976-4-22 13 Placer Loomis area, Butterfield s. 0 Comment
  UCD118224  Ipomopsis aggregata Mrs. Raus 1935-7-10 s.n. Placer Lake Tahoe. Comment
  SEINET2441405  Ipomopsis aggregata subsp. formosissima George K. Helmkamp, E. A. Helmkamp 2009-7-16 15220 Placer Sierra Nevada Mountains: Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat (Duncan Peak 7.5' Q.). 2020 Comment
  POM9885  Ipomopsis aggregata subsp. formosissima E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
  UC879923  Ipomopsis congesta Alice Eastwood Jun 15 1912-Jun 19 1912 369 Placer Deer Park Lake Tahoe region Comment
  JEPS59447  Ipomopsis congesta Ezra Brainerd and Viola B. Baird 1915-7-19 174 Placer above Deer Park (summit of the Craggs); Sierra Nevada 2514 Comment
  JEPS111163  Ipomopsis congesta subsp. montana Steve Matson 2005-7-16 1397 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  SEINET7096691  Iris A. G. Vestal 1947-4-28 s.n. Placer Ca. 12 miles southeast of Auburn near present I80 and South of Rocklin. NAD27, 38? deg. 47'05ao, -120?_ 13' 52ao (converted to WGS84 decimal degrees) UTM Zone 10 653674mE, 4294165mN Comment
  UCR173251  Iris George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10454 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
  SDSU330  Iris hartwegii D. F Howe 1965-5-20 4058 Placer Canyon on south side of north fork of American River, between Forest Hill and Yankee Jims. Comment
  UCD23395  Iris hartwegii Toni Grant 1977-5-28 34 Placer Pale yellow flowers in scattered groups, partial to full sun. 2 miles SE of Auburn Foresthill Rd. on Mosquito Ridge Rd. Intersection is 20 miles NE of Auburn Foresthill Bridge. 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
  UCR257151  Iris hartwegii subsp. hartwegii George K. Helmkamp, Amy Barnes 2014-4-23 22789 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  SCFS5108  Iris hartwegii subsp. hartwegii F. Felix, Erica Krimmel 2013-5-19 1 Placer North Fork American River, west end of Cedars Meadow Comment
  RSA136471  Iris macrosiphon Lee W. Lenz, E. K. Balls 1955-5-12 20473 Placer U.S. Highway 40, at Colfax 762 Comment
  SEINET4170760  Iris tenuissima L. Constance, J. L. Morrison 1938-4-30 Placer At the edge of Applegate, Sierra Nevada foothills. 610 Comment
  UC614450  Iris tenuissima L. Constance, J. L. Morrison 1938-4-30 2173 Placer edge of Applegate (Sierra Nevada foothills); Sierra Nevada 609 Comment
  CAS-BOT-BC69954  Isoetes bolanderi Mary Strong Clemens 1920-9-1 s.n. Placer (Lake) Tahoe City. Comment
  UC9316  Isopyrum occidentale H. N. Bolander 1865-4-12 4553 Placer near Forest Hill; near Forest Hill Comment
  UC147581  Iva axillaris subsp. robustior Harriet A. Walker 1908-6-23 1217 Placer Blue Canyon 1432 Comment
  JEPS71902  Ivesia gordonii Gladys L. Smith 1972-8-25 3410 Placer trail to Granite Chief (about the base of Watson Memorial) 2590 Comment
  RSA531314  Ivesia gordonii Walter Wisura, T. Hayduk, Q. Junzhuan 1991-8-22 4541 Placer Squaw Valley beyond upper cable car stn. on top of rocky ridge. Comment
  SACT002761  Juglans regia Josephine Van Ess 1976-10-13 Placer Collected near PFE road. Old roadside planting-rows of trees along road for some distance 27.4 Comment
  UCD38905  Juncus articulatus subsp. articulatus Beecher Crampton 1959-7-23 5429 Placer Behind Placer Hills School, Meadow Vista. 533 Comment
  SEINET6744631 Image available Juncus bufonius Marcus E. Jones 1882-1 2903 Placer Colfax, California Comment
  UCD43302  Juncus bufonius var. occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 670 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET3877879  Juncus chlorocephalus A. A. Heller 1903-8-17 7176 Placer Above Donner Donner Pass.; 0 2530 Comment
  UC143805  Juncus chlorocephalus A. A. Heller 1903-8-17 7178 Placer above Donner; Donner Pass 2529 Comment
  UC1748358  Juncus confusus Susi Urie 1998-8-11 98 -14 Placer about 2 mi W of Lake Tahoe and Sunnyside (about 0.5 mi N of Ward Creek, along a small tributary) 2097 Comment
  JEPS1771  Juncus covillei var. obtusatus Friedrich Ehrendorfer 1952-7-20 Placer 6 mi e Iowa Hill; Shirttail Creek Comment
  CHSC79381  Juncus ensifolius Beecher Crampton 1975-9-9 9277 Placer Gold Run rest area on Hwy. 80. 914 Comment
  UCR233394  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2011-8-26 18179 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
  UCR260071  Juncus ensifolius George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22415 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  UCD162589  Juncus macrandrus Steve Matson 2002-8-17 700 Placer nSNH; Tahoe north shore; Burton Creek watershed, near Tahoe City and North Tahoe High School. 2011 Comment
  JEPS67040  Juncus nevadensis W. L. Jepson 1918-7-30 7736 Placer near Tahoe City; Lake Tahoe 1920 Comment
  UCD43985  Juncus nevadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1351 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CDA16994  Juncus orthophyllus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16047 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CHSC73106  Juncus orthophyllus L. P. Janeway 1998-8-6 5982 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  CHSC74459  Juncus orthophyllus Susi Urie; Eric Schroder 1998-9-9 98 -310 Placer Lake Tahoe Basin--National Forest. Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UCR179425  Juncus orthophyllus E. Lowe Corbin 1982-8-11 314 Placer Northern Sierra Nevada Mountains, North Fork of the American River, 1.6 mi SW of Onon Creek Campground 1890 Comment
  UC1133697  Juncus parryi N. French 1934-6-22 466 Placer Serena Lake Tahoe National Forest, Truckee Quad. 2407 Comment
  UCD21851  Juncus parryi Rex Palmer 1979-6-19 N 225 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21852  Juncus parryi Rex Palmer 1979-6-19 N 258 Placer Headwaters basin area of the North Fork of the American River. 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
  UC95  Juniperus occidentalis J. Burtt Davy Jul 25 1897-Jul 30 1897 3263 Placer near Deer Park Inn; Truckee River Basin Comment
  SEINET3854194 Image available Keckiella breviflora subsp. breviflora Marcus E. Jones 1882-5-28 3276 Placer Emigrant Gap Comment
  UC144125  Keckiella lemmonii Miss Helen D. Geis Aug 1909 Placer near Deer Park (Five Lakes Trail) Comment
  CAS-BOT-BC334217  Kelloggia galioides George K. Helmkamp; E. A. Helmkamp 2012-6-19 19223 Placer Northern Sierra Nevada Mountains: Devil's Thumb Road (Deadwood Rd.), 1.2 miles S of its junction with Foresthill Road 1648 Comment
  SEINET4560772  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2010-1 16658 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  UC35328  Kelloggia galioides C. F. Sonne 1885-8-23 Placer Coldstream; Sierra Nevada Mountains Comment
  UCD128375  Kelloggia galioides Albert Grigarick 2012-6-19 324 Placer Tahoe Rim Trail, Approx. 1.75 mi S Martis Peak Lookout. 2506 Comment
  UCR233396  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2011-8-26 18177 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  UCD33506  Kochia scoparia Beecher Crampton 1969-10-9 8519 Placer ca. 2 miles east of Old Emigrant Gap post office on Interstate 80. 1584 Comment
  SACT001418  Koeleria cristata Josephine Van Ess 1977-5-12 Placer Collected about .25 mile east of Sierra College Blvd. 103.7 Comment
  SACT001427  Koeleria phleoides Josephine Van Ess 1980-4-23 Placer Collected at intersection with Taylor Road. Weedy area, near building. 121.9 Comment
  SEINET2473462 Image available Koeleria phleoides George K. Helmkamp, E. A. Helmkamp 2010-1 15916 Placer Sierra Nevada Mountains Foothills; along Salmon Falls Road, 5.6 miles south of its junction with CA-49 at Pilot Hill, 0.65 mi. north of the American River crossing 200 Comment
  SD112646  Lagophylla glandulosa subsp. serrata Darley F. Howe 1965-5-20 4055 Placer 3.5 miles north of Auburn 455 Comment
  CAS-BOT-BC341561  Lagophylla ramosissima Mrs. Mary E. P. Ames 1894-8-1 s.n. Placer Auburn Comment
  CAS-BOT-BC433220  Lamium purpureum George K. Helmkamp; Elizabeth Helmkamp 2013-4-13 20333 Placer Northern Sierra Nevada Mountains Foothills: Cramer Road at the junction with CA-49, north of Auburn. 412 Comment
  SD247447  Lamium purpureum George K. Helmkamp, E. A. Helmkamp 2013-4-13 20333 Placer Northern Sierra Nevada Mountains Foothills: Cramer Road at the junction with CA-49, north of Auburn (Auburn 7.5'Q) 412 Comment
  CAS-BOT-BC434223  Lasthenia californica George K. Helmkamp 2013-3-1 20150 Placer Sacramento Valley: Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan. 37 Comment
  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
  UC30448  Lasthenia californica H. N. Bolander 1865-4-13 4572 Placer New Castle Comment
  CDA32947  Lasthenia californica P. W. Hiatt 1979-3-29 Placer Near Rocklin; Sierra College Blvd. 0 Comment
  SEINET11447705 Image available Lasthenia platycarpha R. L. Smith 1942-4-3 20 Placer 5 miles E of Roseville 122 Comment
  CAS-BOT-BC213499  Lathyrus jepsonii subsp. californicus Marcus E. Jones 1883-7-1 s.n. Placer Emigrant Gap Comment
  UC864420  Lathyrus jepsonii var. californicus Marcus E. Jones, A. M. 1882-7-1 3573 Placer Emigrant Gap Comment
  UCD33742  Lathyrus latifolius Beecher Crampton 1972-7-26 8854 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  POM260012  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6344 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
  CAS-BOT-BC321708  Layia fremontii Peter H. Raven; G. L. Stebbins, Jr. 1952-4-29 4001 Placer 4.4 mi. from Bear River crossing on road to Auburn. Comment
  RSA0115333  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Alice Barnes 2013-4-18 20337 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg ) of Colfax. 561 Comment
  UCR173788  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10714 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
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Jan 8 2013
  RSA293381  Layia pentachaeta subsp. pentachaeta Reino Alava 1958-5-3 2012 Placer Along the road near the North Fork Dam of the American River; south [end] of Lake Clementine. About 3 miles northeast of Auburn 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
  CAS-BOT-BC88772  Lepidium appelianum K. L. Stark; J. C. Henderson 1978-8-3 s.n. Placer Highway Marker 50.00, north side of west bound lanes, Interstate 80, northeast of Baxter. Comment
  CAS-BOT-BC88774  Lepidium appelianum T. C. Fuller 1964-9-1 12570 Placer Sierra Nevada. North side of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. 1828 Comment
  CAS-BOT-BC88835  Lepidium campestre Catherine Best 1982-6-23 s.n. Placer Sierra Nevada. Goose Meadow on Highway 89 about 5 miles south of Truckee. 1767 Comment
  UCD115876  Lepidium virginicum Robert E. Preston 1984-6-13 455 Placer On W side of Lake Tahoe, ca. 0.4 km N of Kaspian campground, along the margins of bike trail. 1902 Comment
  HSC33421  Lepidium virginicum var. menziesii Thomas W. Nelson, James Nelson 1974-6-17 1371 Placer Dollar Point overlooking Lake Tahoe, N of Tahoe City 1585 Comment
  UC147646  Lepidium virginicum var. pubescens Harriet A. Walker 1908-6-23 1205 Placer Blue Canyon 1432 Comment
  UCD43133  Lepidium virginicum var. pubescens C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 501 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SACT001403  Leptochloa fascicularis Josephine Van Ess 1976-7-28 Placer Coillected about .25 mile west of Country Acres Lane. Wet ditch bank at edge of water. 21.3 Comment
  CHSC9521  Leptosiphon ciliatus J. F. Goodwin 1971-7-11 163 Placer At end of Commonwealth Drive, 0.6 mi. from intersection with Hwy. 267, 10.6 mi. east of Truckee. 1981 Comment
  JEPS127499  Leptosiphon ciliatus Steve Matson 1997-7-15 11 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  POM74004  Leptosiphon ciliatus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  POM75327  Leptosiphon harknessii H. M. Hall 1910-6-26 8717 Placer Cisco; Upper Transition Zone 1800 Comment
  POM186825  Leptosiphon liniflorus D. D. Keck 1932-7-1 1593 Placer 2 miles N. of Auburn on Nevada City Road. 427 Comment
  CAS-BOT-BC341770  Lessingia nemaclada B. C. Cain 1925-8-15 14 Placer 2 mi. south of Auburn at Wise Power House Comment
  UC1121015  Leucothoe davisiae B. Bolt 1934-7-17 133 Placer Robertson Flat, Tahoe National Forest 2011 Comment
  UC1121018  Leucothoe davisiae N. French 1934-7-7 499 Placer Tahoe National Forest, Texas Hill Texas Hill; Tahoe National Forest, Texas Hill 1524 Comment
  SCFS1197  Lewisia E. Krimmel 2014-4-21 Placer NFAm. Comment
  UC82845 Image available Lewisia kelloggii A. Kellogg 1870-6-27 Placer Camp Yuba (Cisco) Sierra Nevada Comment
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Apr 4 2011
  UC192284  Lewisia nevadensis C. F. Sonne 1884-6-29 Placer meadow near old mill at Donner Lake Donner Lake Comment
  RSA123078B  Lewisia rediviva N. H. French 1934-6-19 422 Placer 1/4 mile W of Devil s Peak. 2104 Comment
  UCD21924  Lewisia triphylla Rex Palmer 1979-6-9 N 172 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA123481B  Leymus triticoides H. S. Yates 1934-6-29 3869 Placer Near Brockway; Truckee 1921 Comment
  MACF014913  Libocedrus decurrens Fay A. MacFadden 1933-7-11 11167 Placer Canyon Creek, California Comment
  CHSC74056  Ligusticum grayi Susi Urie 1998-8-28 98 -137 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. [Lat./Long. on label is '39 degrees 9' N; 120 degrees 11' W']. 2115 Comment
  JEPS72671  Ligusticum grayi Gladys L. Smith 1972-6-18 3139 Placer Alpine Meadows 2072 Comment
  POM132902  Ligusticum grayi Allen M. Carpenter 1892-08 4010 Placer Sierra Nevada Mountains Comment
  UCD21592  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
  SEINET13944257 Image available Ligusticum grayi A. A. Heller 1917-1 2933 Placer Mt. Lincoln south of Summit valley. Elev ca 8200 ft 2499 Comment
  CAS-BOT-BC451588  Lilaea scilloides Gordon H. True 1971-5-26 6534 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC130529  Lilium Albert M. Vollmer 1941-7-3 s.n. Placer North slope of Placerville Airport Comment
  UCD44538  Lilium parvum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1904 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC508483  Lilium parvum H. M. Hall 1910-7-1 8155 Placer Near Cisco, Sierra Nevada Mountains 1859 Comment
  CAS-BOT-BC508489  Lilium parvum A. M. Vollmer; L. Beane 1951-7-1 190 Placer Bear Valley, east of Nevada City Comment
  CAS-BOT-BC508490  Lilium parvum A. M. Vollmer; L. Beane 1951-7-1 189 Placer Bear Valley, east of Nevada City Comment
  CAS-BOT-BC133076  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer; L. Beane 1951-7-1 191 Placer Bear Valley, east of Nevada City 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
  UCR215987  Lilium washingtonianum var. washingtonianum George K. Helmkamp, Amy Barnes 2009-7-12 15179 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  UCD35923  Limnanthes alba Beecher Crampton 1953-4-13 1096 Placer Sunnybrook Farms, 2 miles north Lincoln. Comment
  CAS-BOT-BC110636  Limnanthes alba A. A. Heller 1940-4-20 15539 Placer Near Whitney Station south of Lincoln, on U.S. Highway #99E. Comment
  JEPS19562  Limnanthes alba Francis Ramaley 1917-4-14 11108 Placer Lincoln Comment
  RSA0093828  Limnanthes alba subsp. alba George K. Helmkamp, Amy Barnes 2014-4-23 22812 Placer Sierra Nevada Mountains Foothills. Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill. 720 Comment
  SD255783  Limnanthes alba subsp. alba George K Helmkamp, Amy Barnes 2014-4-23 22812 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill (Colfax 7.5'Q) 719 Comment
  RSA39948  Limosella acaulis J. T. Howell 1943-7-19 18579 Placer Summit Valley Comment
  CDA36873  Linanthus bicolor CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  RSA0093830  Linanthus bicolor George K. Helmkamp, Amy Barnes 2014-4-23 22819 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
  UCR253121  Linanthus bicolor George K. Helmkamp, Amy Barnes 2014-4-23 22819 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
  JEPS59484  Linanthus filipes Ezra Brainerd and Viola B. Baird 1915-7-23 231 Placer Tahoe City Sierra Nevada Mts. 1905 Comment
  UCR120500  Linanthus harknessii George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5033 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CDA38630  Linaria genistifolia subsp. dalmatica Clayton Seado 2012-8-9 PDR# 1611239 Placer Tahoe City; Tahoe City Public Utility District near Jackpine Street. 0 Comment
  CDA6375  Linaria vulgaris G. D. Barbe, W. Sauer 1984-7-25 4179 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  UC13524  Listera convallarioides Chesnut and Drew 1889-7-1 Placer Ackerman's Comment
  SACT002875  Lithocarpus densiflorus Michael Baad 1977-6-1 Placer North of Iowa Hill Ditch. 1341.12 Comment
  CAS-BOT-BC36586  Lithocarpus densiflorus var. echinoides G. M. Noyes 1913-6-1 201 Placer Tahoe 1066 Comment
  UC858198  Lithophragma A. A. Heller 1917-6-17 12698 Placer along Yuba River below Cisco; Yuba River 1676 Comment
  CAS-BOT-BC430966  Lithophragma bolanderi W. A. Weber; Lewis S. Rose 1953-5-19 8389 Placer open grassy hills 1 mi. s. e. of Auburn 304 Comment
  JEPS59432  Lithophragma tenellum Ezra Brainerd and Viola B. Baird 1915-7-25 152 Placer Garden of the Gods above Deer Park Inn; Sierra Nevada Mts., Garden of the Gods 2133 Comment
  CAS-BOT-BC317306  Lithospermum californicum Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat. Comment
  UC1334174  Lithospermum californicum Thomas Morley 1946-5-31 595 Placer 100 yards n.w. of Southern Pacific R.R. tracks 1/2 mi. e. Dutch Flat station (along electric pole line) 1036 Comment
  JEPS21377  Lithospermum ruderale C. F. Sonne 1886-6-6 244 Placer Road to Lake Tahoe Sierra Nevada Mountains Comment
  UC79326  Lithospermum ruderale C. F. Sonne June 1886 Placer <Road to Lake Tahoe> Comment
  SACT001440  Lolium multiflorum D. Meyer 1983-6-5 Placer along roadside. 487.68 Comment
  SACT001458  Lolium perenne Josephine Van Ess 1977-4-29 Placer Collected 1.7 miles west of Watt Ave. Waste corner of field, dried up. 21.3 Comment
  SACT001466  Lolium temulentum D. Meyer 1983-5-15 Placer Field at southeast corner. 36.6 Comment
  UCD66657  Lolium temulentum August L. Hormay 1932-5-24 Placer West of Auburn. Comment
  UCSB32282  Lomatium caruifolium Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  JEPS72675  Lomatium dissectum var. multifidum Gladys L. Smith 1972-6-20 3257 Placer from Ward Peak summit to Sherwood Forest 2590 Comment
  JEPS126340  Lomatium grayi Steve Matson 1998-6-14 245 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 60 yards north of Highway 267, 500 yards west of Martis Creek. Comment
  CHSC24728  Lomatium utriculatum T. C. English 1976-4-11 21 Placer At foot of cliff 2 mi w of Hwy 49 bridge on n fork of the American River, n side of abandoned R.R. 335 Comment
  UCD150860  Lomatium utriculatum Beecher Crampton 1977-4-3 9466 Placer 3.5 miles north of Auburn, just east of Elder's Corner, Dry Creek Road. Comment
  UCD126448  Lonicera conjugialis Rebecca Niell 1999-7-7 99- 3 Placer near Truckee River, north of Taho City on Rt. 89, near turnoff to Alpine Meadows Ski area. 1880 Comment
  CHSC74080  Lonicera involucrata var. involucrata Susi Urie 1998-8-13 98 -033 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UC168928  Lotus argophyllus var. fremontii Marcus E. Jones, A. M. 1882-7-3 3338 Placer Colfax Comment
  UC864262  Lotus argophyllus var. fremontii Marcus E. Jones, A. M. 1882-7-3 3338 Placer Colfax Comment
  UCR207900  Lotus denticulatus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14584 Placer Sierra Nevada Mountains Foothills, Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake 732 Comment
  UC112832  Lotus grandiflorus var. grandiflorus Katharine Brandegee 1908-6-5 Placer Magra Station Comment
  POM27248  Lotus humistratus Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  CDA37243  Lotus micranthus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR208613  Lotus micranthus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14614 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  RSA406188  Lotus micranthus Fay A. MacFadden 1934-3-31 12423 Placer Near Monte Vista Inn. Comment
  UC186937  Lotus nevadensis var. nevadensis C. F. Sonne Jul 1883 Placer meadow along Truckee River Truckee River Comment
  UCR231845  Lotus oblongifolius George K. Helmkamp, E. A. Helmkamp 2010-8-14 16796 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
  RSA293385  Lotus oblongifolius Reino Alava 1958-5-2 1994 -A Placer About four miles from auburn along the road to Nevada City. Comment
  UC1129102  Lotus oblongifolius var. oblongifolius G. T. Nordstrom 1934-6-22 155 Placer Mammoth Springs Tahoe National Forest, Colfax Quad. 1706 Comment
  UC1368473  Lotus oblongifolius var. oblongifolius R. K. Gierisch 1969-7-11 3521 Placer Big Bend Tahoe Forest 1828 Comment
  UC864282  Lotus oblongifolius var. oblongifolius Marcus E. Jones, A. M. 1882-6-28 2628 Placer Emigrant Gap 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
  UC15725  Lotus oblongifolius var. oblongifolius Mrs. M. M. Hardy 1893-1 Placer Comment
  CDA15883  Lotus pinnatus G. F. Hrusa, L. Serafini 1993-6-29 11263 Placer Duncan Creek approx. 100 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of French Meadows Reservoir. Comment
  UCR206836  Lotus pinnatus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15210 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  CDA37244  Lotus purshianus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  JEPS103490  Lotus purshianus var. purshianus Lowell Ahart 2002-7-22 9918 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
  UC1129011  Lotus purshianus var. purshianus N. French 1933-6-5 62 Placer sw Rattlesnake Bridge Sacramento Quad. 213 Comment
  UCR231883  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17016 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UCR240965  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2012-9-25 19917 Placer Northern Sierra Nevada Mountains, junction of Nyack Road and I-80 in the Emigrant Gap area 1652 Comment
  CHSC118006  Lotus uliginosus G. K Helmkamp; E. A Helmkamp 2008-8-20 14024 Placer Northern Sierra Nevada Mountains: Donner Pass Road on the west side of Donner Pass and east of Norden. 2149 Comment
  CDA3835  Lunaria annua T. C. Fuller, H. K. Wagnon 1964-5-18 11982 Placer South of railroad tracks, east of Dutch Flat Road. Alta. 0 Comment
  RSA636073  Lupinus Robert M. Rhode, Barbara Nemeth 1997-6-26 167 Placer Blackwood Creek Canyon (ca 4 miles S of Tahoe City). Near Blackwood Creek Canyon Road. About 0.3 miles W of turnoff from Hwy 89. 1921 Comment
  JEPS48919  Lupinus Leland S. Smith 1931-8-11 2537 Placer Mt. Rose Trail, beyond meadow Tahoe, Mt. Rose Trail, beyond meadow (Tahoe, e slope); Tahoe, Mt. Rose trail 2895 Comment
  SEINET8057810  Lupinus A. Allen 1950-4-29 27 Placer 6 miles from Folsom on Loomis Folsom Road 244 Comment
  SEINET8057820  Lupinus W. D. Billings 1951-7-28 2141 Placer Tallbot Home Camp, Middle Fk. American River 1676 Comment
  RSA11950  Lupinus albicaulis var. albicaulis Elmer I. Applegate 1928-4-22 5365 Placer Near and above Auburn. Along Grass Valley Road. Comment
  CHSC3450  Lupinus albifrons Judy Potter 1966-4-8 Placer Rattlesnake Bar area, Folsom Lake. Comment
  SEINET5327612  Lupinus albifrons K. Klein 1976-3-13 s.n. Placer South of Auburn along the North fork of the American River. 290 Comment
  SEINET5327616  Lupinus albifrons C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junct. W/No. fork of middle fork of American River, Mosquito Ridge road to French Meadowns. 518 Comment
  SEINET5327622  Lupinus albifrons F. Brunetti 1962-4-1 s.n. Placer 2 miles east of Auburn, North Fork American River. 274 Comment
  CAS-BOT-BC201561  Lupinus albifrons var. albifrons Elmer I. Applegate 1928-4-22 5362 Placer 3 miles above Auburn on the Grass Valley road Comment
  CAS-BOT-BC196230  Lupinus albifrons var. eminens Abigail Smith 1899-4-1 s.n. Placer Applegate Comment
  UC126941  Lupinus andersonii var. andersonii Mrs. M. M. Hardy 1893-1 Placer Placer Co. Comment
  CDA27376  Lupinus apertus T. C. Fuller 1973-8-23 19983 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  JEPS86477  Lupinus arbustus L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6552 Placer ca 5 mi se Donner Lake (Sherman Chickering's Soda Springs holdings, e of Tinker Knob); se of Doner Lake, e of Tinker Knob 2529 Comment
  UC726156  Lupinus arbustus A. A. Heller 1909-7-16 9857 Placer Donner Lake Comment
  UCR207104  Lupinus arbustus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15229 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  JEPS46161  Lupinus arbustus L. S. Smith 1928-6-15 2349 Placer South Slope Tahoe National Forest, Big Bend Ranger Station (Big Bend Ranger Station, Tahoe Forest) 1767 Comment
  UCR194944  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2007-5-18 12040 Placer Northern Sierra Nevada Mountains Foothills, along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  UCR207852  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2009-4-22 14556 A 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
  SEINET5328101  Lupinus benthamii A. Allen 1950-4-29 22 Placer 1 mile south of Rocklin on the road to Folsom 30 Comment
  SD241817  Lupinus bicolor G. K Helmkamp, E. A. Helmkamp 2010-4-17 15886 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 4.2 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 359 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
  UCR250893  Lupinus bicolor George K. Helmkamp, Mary Alice Barnes 2013-4-18 20342 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  RSA407102  Lupinus breweri var. grandiflorus Munz 1923-8-11 s.n. Placer Lake Tahoe, Tamarack Trail. 2134 Comment
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May 22 2013
  UC1129476  Lupinus grayi N. French 1934-5-24 358 Placer N. Fork of N. Fork American River North Fork of North Fork American River; Tahoe National Forest, Colfax Quadrangle Comment
  RSA121629  Lupinus grayi N. H. French 1934-5-24 358 Placer North fork of west fork American River. 1341 Comment
  SEINET10737848  Lupinus grayi N. H. French 1934-5-24 French 358 Placer Tahoe National Forest. N Fork American River. 1341 Comment
  CDA27453  Lupinus latifolius var. columbianus T. C. Fuller 1983-7-19 20418 Placer South side of Highway 20 to Nevada City, 5 km. west of Interstate 80. 0 Comment
  CDA15939  Lupinus lepidus var. confertus G. F. Hrusa, J. Glazner 1999-7-17 15148 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCD108251  Lupinus lepidus var. confertus G. K. Helmkamp; E. A. Helmkamp 2005-9-30 9964 Placer Northern High Sierra Mountains: ca. 3.5 mi NW of Lake Tahoe; Along the Truckee River and CA Highway 89, 0.1 mi N of Alpine Meadows Road. 1902 Comment
  SEINET8051739  Lupinus lepidus var. lobbii M. J. Williams 1966-7-11 55 Placer Sierra Nevada, Luther Ridge, above Jamison creek 2286 Comment
  UC1129521  Lupinus lepidus var. sellulus H. S. Yates 1934-6-29 3918 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  CAS-BOT-BC249265  Lupinus lepidus var. sellulus Peter Rubtzoff 1976-9-19 8874 Placer Lake Van Norden, on east side of lake, north of dirt road. 2063 Comment
  SEINET11261560  Lupinus microcarpus var. densiflorus George Helmkamp, E. A. Helmkamp 2012-5-5 18921 Placer Northern Sierra Nevada Mountains Foothills on Lake Clementine Road, 1.2 miles W of the junction with Foresthill Road. 0.3 air miles SE (123 degrees) of Clementine Dam on the American River.; 0 396 Comment
  UC1076232  Lupinus microcarpus var. densiflorus H. L. Mason 1926-5-28 3273 Placer 5 mi above Auburn; above Auburn Comment
  UC710399  Lupinus microcarpus var. densiflorus C. P. Smith 1946-5-3 46268 Placer Hiway 99e s edge of town Roseville Comment
  UC1586093  Lupinus nanus Barbara Ertter with David Thompson 1989-4-9 8197 Placer ne Auburn (halfway down road to Lake Clementine (= North Fork Lake)); dwn rd to Lake Clementine (= North Fork Lake), ne of Auburn 304 Comment
  UC711000  Lupinus nanus C. L. Hitchcock 1940-5-4 6388 Placer ca 6 mi n Colfax (Meier Ranch); n of Colfax 762 Comment
  UCR194968  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2007-5-18 11999 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  UCD22085  Lupinus polyphyllus Rex Palmer 1979-7-26 N 835 Placer Headwaters basin area of the North Fork of the American River. 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
  UCD42880  Lupinus polyphyllus var. burkei C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 247 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET8059863  Lupinus polyphyllus var. burkei P. B. Kennedy, S. B. Doten 1901-8-18 412 Placer [Sierra Nevada] Talbots Home Camp, 7 mi from French Meadows Comment
  SEINET10490224  Lupinus sellulus var. artulus David B. Dunn, Douglas G. LeDoux; Patricia L. Kenney 1973-6-26 Dunn 21040 Placer Coll. .4 Mi e of the norden post office, approaching donner pass, douglas fir And yellow pine. Decomposed granite soils. Comment
  CDA12002  Lupinus stiversii G. F. Hrusa 1995-5-2 12183 Placer Sierra Nevada; approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  POM215767  Lupinus vallicola subsp. vallicola D. D. Keck 1933-6-1 2434 Placer Loomis, city limits on road to Folsom. Comment
  UCD75689  Luzula comosa Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5138 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
  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
  CAS-BOT-BC441258  Luzula macrantha Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4010 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  CAS-BOT-BC342581  Madia Saichi Kawahara 1969-7-6 1464 Placer Near garden, Mel Henderson Ranch, east bank of Indian Creek 987 Comment
  SD8613  Madia bolanderi Katherine Curran Sep 1883 Placer Donner Lake Comment
  CDA15984  Madia elegans subsp. elegans G. F. Hrusa, J. Glazner 1999-7-17 15165 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS14356  Madia exigua Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunziker, F. Ehrendorfer, D. Zohary... 1952-7-20 3876 Placer n-facing serpentine slope just s Shirttail Public Camp (nr headwaters of Shirttail Creek, 6 mi e of Iowa Hill); Tahoe Nat. Forest 1066 Comment
  JEPS30105  Madia exigua W. H. Shockley June 1886 Placer Auburn Comment
  CAS-BOT-BC342839  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco; on west slope of Sierra Nevada Comment
  UCD134270  Madia glomerata F. A. MacFadden 1934-7-26 s.n. Placer Foot of Red Mt. Comment
  UCD42932  Madia glomerata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 301 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCR170793  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2005-9-30 9956 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR171339  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2005-10-1 9973 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
  CDA36881  Madia gracilis CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  UC905680  Madia gracilis H. M. Hall 1910-6-26 8719 Placer Cisco west slope Sierra Nevada 1804 Comment
  UCD18246  Madia subspicata E. A. Dean 1998-5-30 458 Placer NE of town of Auburn, along SE side of Foresthill Rd. 500 Comment
  CAS-BOT-BC508529  Maianthemum racemosum G. K. Helmkamp; E. A. Helmkamp 2007-6-12 12314 Placer Lake Spaulding Road just north of its junction with Highway CA-20, Northern Sierra Nevada Mountains 1609 Comment
  CHSC85745  Maianthemum racemosum G. F. Hrusa; J. Glazner 2000-9-3 15663 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UCD22058  Maianthemum racemosum Rex Palmer 1979-5-27 N 68 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD33763  Maianthemum racemosum Beecher Crampton 1972-9-28 8882 Placer 1 mile east of Baxter. Comment
  CAS-BOT-BC512085  Maianthemum racemosum subsp. amplexicaule A. A. Heller 1917-6-17 12706 Placer Near the Yuba river below Cisco. 1676 Comment
  UCD150496  Maianthemum stellatum James A. Neilson Jr. 1970-8-7 2067 Placer Tahoe Basin, Tahoe Pines, 895 Grand Ave. 1920 Comment
  UCR250066  Marrubium vulgare George K. Helmkamp, Mary Alice Barnes 2013-5-3 20470 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UCR241260  Medicago lupulina George K. Helmkamp, E. A. Helmkamp 2012-6-19 19217 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  SD247426  Medicago polymorpha George Helmkamp 2013-3-1 20149 Placer Sacramento Valley: Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridon (Lincoln 7.5'Q) 36 Comment
  UCD107829  Medicago polymorpha G. K. Helmkamp; Elizabeth Helmkamp 2006-4-6 10125 Placer Northern Sierra Nevada Foothills: NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin. 122 Comment
  CDA15684  Melica aristata G. F. Hrusa, J. Glazner 1999-7-18 15234 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  SACT001477  Melica aristata D. Meyer 1984-7-8 Placer ground at lakeside 1758.0 Comment
  UCD67016  Melica aristata R. Tofsrud 1951-7-1 Placer Hwy. 40, above Baxter, 3/4 mile below drinking station. Comment
  UCD18259  Melica bulbosa E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 471 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  UCR253128  Melica californica George K. Helmkamp, Amy Barnes 2014-4-23 22808 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
  SACT001507  Melica fugax Michael Baad 1983-8-11 Placer on trail to Whiskey Creek to Mildred Ridge. 2133.0 Comment
  UC55052  Melica fugax Kellogg 1870-6-17 Placer Cisco Sierra Nevada, Yuba River (bottoms of Yuba River) Comment
  SEINET10893691  Melica fugax A. Arthur Heller 1917-6-17 Heller 12699 Placer Low, gravelly places alont the Yuba river below Cisco, Pinus Murrayana and Populus trichocarpa are the trees, several species of willow plentiful. Granite. 1676 Comment
  CAS-BOT-BC281294  Melica harfordii Saichi Kawahara 1969-5-25 890 Placer N of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SACT001523  Melica harfordii D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  UC1153839  Melica harfordii Beecher Crampton 1955-6-15 2897 Placer 5.5 mi w Iowa Hill (Shirttail Canyon); Shirttail Canyon Comment
  SACT001529  Melica stricta Michael Baad 1976-8-25 Placer ridge north of and including Twin Peaks. 3.5 miles northwest of Homewood. 2500.0 Comment
  SACT001532  Melica subulata Michael Baad 1977-6-1 Placer 1097.28 Comment
  SACT001545  Melica torreyana Michael Baad 1977-6-8 Placer on road between Forest HIll and French Meadows roadside in serpentine-chaparral community 914.4 Comment
  UCD36655  Melica torreyana Beecher Crampton 1955-6-15 2876 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40. Comment
  UCR218451  Melica torreyana George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16427 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  SEINET11978670  Mentzelia dispersa L. S. Rose 1938-1 38269 Placer Truckee River, 3 mi NW of Tahoe City 1829 Comment
  CAS-BOT-BC428532  Micranthes aprica John H. Thomas; Hazelle A. Thomas 1956-7-21 6125 A Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UCD22364  Micranthes bryophora Beth Lowe Corbin 1982-8-19 386 Placer 2 miles SSE of The Cedars. 2011 Comment
  UCD22372  Micranthes bryophora Rex Palmer 1979-6-19 N 244 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC428876  Micranthes californica G. L. Stebbins 1970-4-4 6990 Placer Shirttail Canyon, south of North Fork, American River, along road from Colfax to Forest Hill [Foresthill]. 365 Comment
  SEINET6033609  Micranthes integrifolia A. Beninghoff 1930-3-15 1572 Placer Virginia Town. Comment
  SJSU8088  Micranthes odontoloma R. L. Fisher 1957-8-5 Placer headwaters Sugarbowl Cr (S Fork Yuba R), Emigrant Meadow between Mt Judah & Mt Lincoln, 3 mi S of Norden 2286 Comment
  UCR207871  Micropus californicus var. californicus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14578 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UC672252  Micropus californicus var. californicus H. L. Mason 1933-5-28 7236 Placer Tahoe-Colfax road three to four mi Colfax Comment
  CAS-BOT-BC349322  Microseris nutans Geo. B. Grant 1906-7-15 6955 Placer Tahoe Tavern, Lake Tahoe Comment
  UCR130217  Microseris nutans George K. Helmkamp, E. A. Helmkamp 1999-6-30 5095 Placer Northern Sierra Nevada Mtns., Soda Springs Rd 0.9 mi south of Donner Pass Rd, approaching Ice Lakes 2104 Comment
  JEPS59442  Microseris nutans Ezra Brainerd and Viola B. Baird 1915-7-10 167 Placer ? road to Deer Park Inn; Sierra Nevada Mts. 1920 Comment
  JEPS4595  Mimulus aurantiacus var. grandiflorus Rimo Bacigalupi with A. Hawkes, G. L. Stebbins, J. Hunziker, D. Zohary, H. Stutz, F. Ehrendorfer 1952-7-20 3893 Placer about 2 mi below and e Forest Hills (along n side of canyon); Canyon of Middle Fork of American River, Volcano Canyon 762 Comment
  UC886165  Mimulus aurantiacus var. grandiflorus Marcus E. Jones, A. M. 1882-6-28 3288 Placer Emigrant Gap Comment
  UCR250171  Mimulus aurantiacus var. grandiflorus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20477 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UC886108  Mimulus bicolor C. L. Hitchcock 1940-5-14 6398 Placer ca. 6 mi n Colfax; Meier Ranch 762 Comment
  JEPS71712  Mimulus breweri Gladys L. Smith 1972-6-18 3157 b Placer below Scott Peak 2072 Comment
  RSA447927  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  SCFS1142  Mimulus guttatus E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #5. Comment
  UCD122640  Mimulus guttatus Eric Brenner; John Hunter 1996-5-26 21 Placer Tahoe National Forest Mosquito Ridge Road. 1080 Comment
  UCR208272  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14638 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UCD13373  Mimulus guttatus A. M. Shapiro 1996-7-30 s.n. Placer Iowa Hill Rd., ca. 1/2 mile S. Colfax. 603 Comment
  CDA15963  Mimulus layneae G. F. Hrusa, J. Glazner 1999-7-17 15126 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CDA12424  Mimulus lewisii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8553 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UC194066  Mimulus lewisii C. F. Sonne July 1884 Placer along creek above Coldstream Comment
  UCD75705  Mimulus lewisii Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5155 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
  UCD43272  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 640 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44645  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2011 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS103315  Mimulus moniliformis Lowell Ahart 2002-7-22 9901 Placer About 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
  UC886301  Mimulus moniliformis A. A. Heller 1917-8-12 12875 Placer w Emigrant Gap; Southern Pacific Reservoir Comment
  CHSC74274  Mimulus moschatus Susi Urie; Eric Schroder 1998-9-8 98 -283 Placer Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 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
  SEINET5796524 Image available Mimulus moschatus var. longiflorus Marcus E. Jones 1882-1 Placer Alta Comment
  RSA422238  Mimulus nanus var. mephiticus Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  RSA569051  Mimulus primuloides Bonnie C. Templeton 1931-7-5 1507 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UC41876  Mimulus primuloides C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  UCR226133  Mimulus primuloides Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5132 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, near undeveloped road that crosses the creek 2107 Comment
  RSA434710  Mimulus primuloides Fay A. MacFadden 1934-7-26 s.n. Placer Red Mountain Comment
  UC886398  Mimulus tilingii A. A. Heller 1917-8-13 12918 Placer ridge nw Donner Pass 2377 Comment
  JEPS71717  Mimulus tilingii Gladys L. Smith 1972-8-25 3435 Placer meadow below <Granite Chief> north cirque 2575 Comment
  UC103755  Mimulus tilingii C. F. Sonne 1895-7-25 Placer Washoe Mts. Sierra Nevada Mts. (w slope) Comment
  SCFS5066  Mimulus torreyi E. Krimmel 2014-6-26 Placer Above NF river on north side, not far above Heath Falls overlook Comment
  UC8089  Minuartia californica H. N. Bolander 1865-4-11 4543 Placer near Auburn Comment
  POM101324  Minuartia douglasii Marcus E. Jones 1882-4-18 s.n. Placer Emigrant Gap. Comment
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Sep 29 2017
  CAS-BOT-BC481926  Minuartia rubella John H. Thomas; Hazelle A. Thomas 1956-7-21 6182 Placer Sierra Nevada, vicinity of Donner Pass, about 80 mi NE of Sacramento 2377 Comment
  SEINET6167722  Mitella breweri A. A. Heller 1909-7-16 9833 Placer Summit 2134 Comment
  UC883586  Monardella candicans Marcus E. Jones, A. M. 1882-7-4 3458 Placer Colfax Comment
  CAS-BOT-BC318566  Monardella odoratissima subsp. pallida A. A. Heller 1919-7-26 13320 Placer Donner pass. 2194 Comment
  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
  SD243166  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2011-8-26 18168 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
  UC1124589  Monardella odoratissima subsp. pallida N. French 1934-6-22 459 Placer 1/2 mi west of Lake Van Norden; Truckee Quadrangle Comment
  CAS-BOT-BC222104  Monardella odoratissima subsp. pallida Mary P. Wells 1980-9-11 s.n. Placer Alpine Meadows by Bear Creek, opposite stable 1950 Comment
  SEINET10582103  Monardella odoratissima subsp. pallida A. Graff 1993-7-21 Graff 272 Placer Tahoe National Forest, Squaw Valley. Hwy. 89, across from Silver Creek Campground. Locally abundant, large population, in the understory of Pinus contorta, P. ponderosa, Abies sp. forest. Comment
  UCD43991  Montia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1357 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
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Aug 7 2007
  JEPS59506  Montia chamissoi Ezra Brainerd and Viola B. Baird 1915-7-7 260 Placer Sierra Nevada Mountains, Squaw Valley Squaw Valley; Sierra Nevada Mountains, Squaw Valley 1920 Comment
  POM101934  Montia chamissoi Marcus E. Jones 1882-6-28 2628 Placer Emigrant Gap. Comment
  UCD44713  Montia chamissoi C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2079 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC444733  Montia chamissoi John Thomas Howell 1938-8-2 13993 Placer 5 miles n. of Brockway Comment
  CAS-BOT-BC260644  Muhlenbergia filiformis G. L. Stebbins, Jr.; et al. 1952-7-20 5126 Placer 7 miles E of Iowa Hill near Forbes camp ground on Upper Shirttail Creek 1158 Comment
  CHSC82703  Muhlenbergia filiformis Lowell Ahart 2002-7-22 9905 Placer On the south side of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  UCD149647  Muhlenbergia jonesii G. Ledyard Stebbins 1977-7-9 7767 Placer Along trail from McKinistry Lake to Rubicon River. (Exact location unknown. Coordinates estimated by label maker.) 1706 Comment
  POM216165  Muhlenbergia rigens D. D. Keck 1933-6-1 2439 Placer South of Roseville, near Sacramento County-Placer County line. Comment
  SACT001604  Muhlenbergia rigens Michael Baad 1983-7-15 Placer 1.8 miles east of junction with road to Brushy Springs. Open rocky slope. 1524.0 Comment
  CDA19325  Myriophyllum spicatum R. Kerr 2001-6-21 s. n. Placer Sierra Nevada; Truckee River below Fanny Bridge in the vicinity of Tahoe City. 1896 Comment
  UCD102563  Myriophyllum spicatum John D. Madsen; David F. Spencer 1996-4-2 s.n. Placer From Truckee River, adjacent to California Highway 89, approximately 150 m downstream of the damn at Tahoe City, California. Comment
  SD243157  Nama lobbii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16641 Placer Northern Sierra Nevada Mountains: Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road. 1566 Comment
  UC1069125  Nama lobbii H. S. Yates 1936-8-8 5980 Placer near Meeks Bay; Truckee Quad., near Meeks Bay Comment
  UC1153925  Nassella pulchra Beecher Crampton 1957-5-7 3984 Placer 6.8 mi n Roseville (valley plain); Whitney Ranch Comment
  UCD87469  Nassella pulchra Beecher Crampton 1957-5-7 3984 Placer Whitney Ranch, 6.8 miles north of Roseville. Comment
  UCD22114  Navarretia breweri Rex Palmer 1979-6-21 N 385 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC73970  Navarretia capillaris Susi Urie 1998-8-17 98 -055 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  JEPS127417  Navarretia capillaris Steve Matson 2003-7-6 828 Placer nSNH; about 6 miles SW of Truckee, Squaw Valley; Shirley Canyon trail to the PCT. Comment
  POM75137  Navarretia divaricata Marcus E. Jones 1882-6-30 10586 Placer Emigrant Gap. Comment
  UC101873  Navarretia divaricata Katharine Brandegee 1888-1 Placer Shady Run Comment
  JEPS59486  Navarretia divaricata Ezra Brainerd and Viola B. Baird 1915-7-31 236 Placer Nevada City, Hospital Farm Sierra Nevada Mts. 1524 Comment
  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
  UC201039  Navarretia intertexta M. K. Curran May 1885 Placer Comment
  CDA15635  Navarretia leptalea subsp. bicolor G. F. Hrusa, J. Glazner 1999-7-18 15224 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  RSA123130  Navarretia leptalea subsp. bicolor N. H. French 1934-6-22 468 Placer Serena Lake 2409 Comment
  UC106890  Navarretia leptalea subsp. leptalea T. S. Brandegee 1889-7-7 Placer Alta Comment
  JEPS69640  Navarretia leptalea subsp. leptalea Leland S. Smith 1925-7-10 1669 Placer flats along Picayune Creek; Tahoe National Forest, along Picayune Creek Comment
  UCD39200  Navarretia leucocephala Beecher Crampton 1953-5-26 1334 Placer 2 miles north of Licoln. Sunnybrook Farm (Francheschi). Comment
  CHSC96460  Navarretia leucocephala subsp. leucocephala Lowell Ahart; Brian Williams 2007-4-13 13664 Placer On the bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  JEPS127513  Navarretia leucocephala subsp. minima Steve Matson 1998-6-21 820 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek. Comment
  UCSB28392  Navarretia tagetina Hardham, Clare 1974-5-20 Placer Outskirts of Lincoln; (tile factory) Rt. 65 Comment
  JEPS126331  Nemophila heterophylla Steve Matson 2006-4-23 1600 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UC1586074  Nemophila heterophylla Barbara Ertter with David Thompson 1989-4-8 8168 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); nr entrance to Auburn State Recreation Area, Iowa Creek Rd 518 Comment
  UCR235597  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2012-5-5 18920 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
  JEPS3148  Nemophila heterophylla L. Constance, J. L. Morrison 1938-4-30 2171 Placer at eastern edge Applegate (Sierra Nevada foothills); , e edge Applegate 609 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
  JEPS1482  Nemophila menziesii W. H. Shockley 1879-1 Placer Auburn Comment
  SFV11583  Nemophila menziesii M. L. Vincent 1965-4-11 608 Placer 1 mile north of Marysville on Highway 99E. Roadside. 20 Comment
  SEINET5521023  Nemophila menziesii P. A. Lehenbauer 1937-4-12 s.n. Placer Near Lincoln Comment
  UCR208592  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2009-5-11 14661 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  UCD119948  Nemophila pulchella var. pulchella M. H. Mills 1996-4-26 169 Placer 5830 Walden Lane, Loomis. 54 Comment
  POM73897  Nemophila spatulata Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SEINET5345645  Oenothera elata B. M. Cunningham 1960-5-6 s.n. Placer Twenty miles east of Auburn on highway 40 freeway 762 Comment
  CAS-BOT-BC349975  Oreostemma alpigenum var. andersonii John Thomas Howell 1943-7-19 18590 Placer Summit Valley Comment
  JEPS71554  Oreostemma alpigenum var. andersonii Gladys L. Smith 1972-8-25 3430 Placer meadow below cirque, north face Granite Chief Granite Chief 2575 Comment
  JEPS11677  Orobanche californica subsp. grayana Miss M. Annie Miller Sep 1914 Placer Tahoe Tavern, Tahoe Comment
  UCD160078  Orobanche fasciculata Sue Nichol 2015-4-15 s.n. Placer Along Foresthill Rd. between town of Foresthill and Foresthill Bridge. Just E of Butcher Ranch Rd.: near mailbox 17010 and Forest Service gate 124. Northwest side of the road. 551 Comment
  UCR173258  Orobanche uniflora George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10446 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
  CAS-BOT-BC500307  Orobanche uniflora subsp. occidentalis C. F. Sonne 1884-8-24 281 Placer Sierra Nevada Mountains: Rocks above Coldstream Comment
  CAS-BOT-BC500308  Orobanche uniflora subsp. occidentalis Alice Eastwood 1909-8-1 267 Placer Deer Park Comment
  UCD162600  Orogenia fusiformis Steve Matson 2009-5-9 2200 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, south of Martis Creek; about 1 kilometer SW of Parking area. 1780 Comment
  JEPS72697  Orogenia fusiformis Gladys L. Smith and Betsy Smith 1972-4-19 3132 Placer Goose Meadow foot of Ward Peak; , Goose Meadow 1889 Comment
  UC1438187  Orogenia fusiformis L. Constance and Betsy Wilson 1978-5-12 3894 Placer 5 mi. s. Trackee (Goose Meadows Campground in Truckee R. Valley); Sierra Nevada, Truckee R. Valley, Goose Meadows Campground 1828 Comment
  JEPS111291  Orthocarpus cuspidatus Steve Matson 2005-7-10 1389 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and north of Martis Creek, 500 meters W of parking area 1783 Comment
  UCD21898  Orthocarpus cuspidatus subsp. cryptanthus Beth Lowe Corbin 1982-8-4 241 Placer 1 1/2 mile north of Onion Creek campground. 2255 Comment
  SJSU3256  Orthocarpus cuspidatus subsp. cryptanthus R. L. Fisher 1959-8-4 Placer Emigrant Meadow 2286 Comment
  UC194170  Orthocarpus cuspidatus subsp. cryptanthus C. F. Sonne 1884-8-10 Placer road to Lake Tahoe near Toll House; road to Lake Tahoe near Toll House Comment
  POM260000  Orthocarpus lacerus C. Leo Hitchcock 1940-5-14 6387 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  JEPS14029  Osmorhiza berteroi Rimo Bacigalupi with G. L. Stebbins, J. Hunziker, F. Ehrendorfer, A. Hawkes, D. Zohary & H. Stutz 1952-7-19 3864 Placer ridge between Indian Creek and North Fork American River (near site of Monona Flat, about 2 1/2 mi e of Iowa Hill) 990 Comment
  SEINET11132386  Osmorhiza berteroi F. H. Hillman 1894-1 s.n. Placer Between Truckee and Lake Tahoe. Comment
  JEPS59351  Osmorhiza occidentalis Ezra Brainerd and Viola B. Baird 1915-7-25 209 Placer Garden of the Gods Deer Park Valley (head of valley) 2072 Comment
  CAS-BOT-BC10505  Paeonia brownii Alice Eastwood 1912-6-15 362 Placer Deer Park, Lake Tahoe Region Comment
  UCD33549  Panicum acuminatum var. fasciculatum Beecher Crampton 1969-7-1 8489 Placer 1/4 mile W of Emigrant Gap post office on Interstate Hwy. 80. Comment
  UCD88540  Panicum acuminatum var. fasciculatum Beecher Crampton 1969-7-1 8489 Placer Nyack. Interstate Hwy. 80 eastbound. 1615 Comment
  UCD89791  Panicum capillare subsp. hillmanii Beecher Crampton 1975-9-9 9281 Placer Alta. Along Interstate Hwy. 80 W. 1188 Comment
  SACT001648  Panicum pacificum Michael Baad 1976-8-4 Placer Royal Gorge-Wabena Creek to Wild Cat Canyon Comment
  JEPS113293  Parentucellia viscosa L. P. Janeway 2006-5-10 8593 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. Comment
  CAS-BOT-BC175506  Parnassia fimbriata Allen L. Chickering 1946-8-30 s.n. Placer On north slope of Granite Chief 2749 Comment
  UC170098  Parnassia fimbriata Miss Helen D. Geis 1912-6 203 Placer Crags, Deer Park Deer Park; Crags, Deer Park Comment
  UCD37739  Paspalum dilatatum Beecher Crampton 1961-9-27 5996 Placer Placer County, 1 mile west of Auburn, along U.S. Highway 40. 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
  UC128142  Pedicularis attollens Miss Harriet A. Walker 1470 Placer near Cisco Lake; Cisco Comment
  UCD44522  Pedicularis groenlandica C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1888 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET4560767  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2010-1 16659 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  UCD162574  Pedicularis semibarbata Steve Matson 1999-7-28 362 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; north of west fork bog. 1920 Comment
  UCD21902  Pedicularis semibarbata Beth Lowe Corbin 1982-8-6 270 Placer About 1/2 mile west of Onion Creek campground. 1950 Comment
  UCR209726  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15454 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 21.7 miles northeast of the city of Foresthill 1701 Comment
  SEINET7719334  Pedicularis semibarbata Unknown 1888-6-30 Placer Summit Soda Comment
  CAS-BOT-BC69324  Pellaea brachyptera Marcus E. Jones 1882-4-28 3275 Placer Emigrant Gap 1615 Comment
  RSA686808  Pellaea brachyptera May N. Ackley 1925-06 77 Placer Near Emigrant Gap 1677 Comment
  SEINET3153898  Pellaea brachyptera M. E. Jones 1882-6-28 3275 Placer Emigrant Gap Comment
  CHSC32010  Pellaea bridgesii L. Ahart 1972-6-28 127 Placer French Meadows. 1524 Comment
  POM120623  Pellaea bridgesii Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  UCD41267  Pellaea mucronata Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1727 Placer East of Hwy 80 and town of Colfax, east side of the canyon of the North Fork of the American River. Along Iowa Hill Road, between 0.3 and 0.6 road miles east and uphill of the bridge over the river. 457 Comment
  SCFS1163  Penstemon E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. In roadside area at Chickering Meadow. Comment
  CDA15884  Penstemon azureus G. F. Hrusa, L. Serafini 1993-6-29 11254 Placer S side of French Meadows Reservoir immediately below dam. 1569 Comment
  JEPS15110  Penstemon azureus B. Bolt 1934-7-11 96 Placer Cascade Lakes Tahoe National Forest, Truckee Quadrangle Comment
  UCD124048  Penstemon azureus G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10712 Placer Northern Sierra Nevada Mountains foothills; 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area northeast of Auburn on Forest Hill Divide). 487 Comment
  UCR209724  Penstemon azureus George K. Helmkamp, E. A. Helmkamp 2009-8-12 15444 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  UCR218226  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16411 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
  RSA285687  Penstemon azureus subsp. azureus D. C. Michener 1981-7-16 4010 -A Placer Sierra Nevada. Summit of Donner Pass above railway line and its tunnels; east flank of summit. Comment
  JEPS111301  Penstemon azureus var. azureus Steve Matson 2005-8-7 1452 Placer Pole Creek, Truckee River watershed, southwest of Truckee, north of Squaw Valley. 1.8 km NW of Silver Peak at northeast corner of flatter area near Bradley Hut; 39.2312 N, 120.2615 W; elev. 7,700 ft. 2346 Comment
  JEPS59355  Penstemon deustus Ezra Brainerd and Viola B. Baird 1915-7-9 106 Placer Bear Rock Sierra Nevada Mts., , Bear Rock (Truckee River) 1889 Comment
  CAS-BOT-BC264483  Penstemon heterodoxus var. heterodoxus John Thomas Howell 1943-7-22 18705 Placer Summit Valley Comment
  UC27423  Penstemon heterodoxus var. heterodoxus C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  JEPS57362  Penstemon heterophyllus var. heterophyllus L. R. Heckard 1968-5-29 1921 Placer along Lake Clementine Road ca 1/2 mi from its junction with the Foresthill Road ((se of Auburn)); se of Auburn, along Lake Clementine Rd 487 Comment
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Nov 20 2007
  JEPS7572  Penstemon heterophyllus var. purdyi W. H. Shockley Jun 1886 15 Placer Auburn Comment
  NY601756  Penstemon heterophyllus var. purdyi Illegible collector name 1940-5-4 6412 Placer Meier Ranch, ca. 6 miles north of Colfax 762.0 Comment
  UC690370  Penstemon heterophyllus var. purdyi David D. Keck 1932-6-30 1586 Placer 0.8 mi n Weimar P.O.; Sierra Nevada, n of Weimar P.O. 685 Comment
  UCD124279  Penstemon laetus Beecher Crampton 1969-7-1 8487 Placer 1/4 mile west Emigrant Gap P.O. Interstate Hwy. 80 eastbound. Comment
  UCR233369  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  CAS-BOT-BC248296  Penstemon laetus var. laetus George K. Helmkamp; E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  NY951329  Penstemon neotericus C. A. Wellner 1984-6-21 3065 Placer 1524 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
  SCFS11529146  Penstemon newberryi E. Krimmel 2014-4-21 Placer Point Mariah Comment
  CAS-BOT-BC239283  Penstemon newberryi var. berryi L. S. Smith 1928-6-1 2279 Placer Tahoe National Forest. Above Big Bend R.S. 1798 Comment
  CDA15754  Penstemon roezlii G. F. Hrusa, L. Serafini 1993-6-29 11255 Placer S side of French Meadows Reservoir immediately below dam. Comment
  JEPS15334  Penstemon roezlii G. T. Nordstrom 1934-6-19 122 Placer 1/2 mi ne of mouth Monumental Creek; Tahoe National Forest, Colfax Quad. Comment
  JEPS15336  Penstemon roezlii N. French 1934-5-28 372 Placer 1 1/2 mi w Black Mountain; Tahoe National Forest, Colfax Quad., w of Black Mountain 1767 Comment
  UCR246825  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16647 Placer Northern Sierra Nevada Mountains, Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill 1384 Comment
  CAS-BOT-BC239583  Penstemon rydbergii var. oreocharis L. S. Smith 1926-6-23 1977 Placer Tahoe National Forest, Squaw Valley Mdw 1889 Comment
  NY651287  Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit 2133.6 Comment
  SEINET5329702 Image available Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit, 2134 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
  JEPS11514  Penstemon speciosus W. L. Jepson 1918-7-30 7719 Placer Lake Tahoe near Tahoe City; Lake Tahoe near Tahoe City 1920 Comment
  RSA35113  Penstemon speciosus L. S. Rose 1944-7-12 44083 Placer Chamber Lodge, Lake Tahoe. 1921 Comment
  UC527359  Penstemon speciosus C. B. Wolf 1931-9-10 2418 Placer Lake Tahoe just nw Chambers Lodge; Lake Tahoe just nw of Chambers Lodge 1920 Comment
  SEINET5329848 Image available Penstemon speciosus Frevitt 1932-7-5 s.n. Placer Tahoe Vista 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
  CHSC74181  Perideridia lemmonii Susi Urie 1998-9-2 98 -211 Placer Below Hwy 28, between the highway and lake Forest Road; about 0.2 mi north of Lake Tahoe. [Lat./long. on label is '39 11 N; 120 7 W']. 1908 Comment
  CHSC74185  Perideridia parishii subsp. latifolia Susie Urie; Eric Schroder 1998-9-8 98 -281 Placer On north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCD44517  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1883 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  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
  CAS-BOT-BC438816  Petrorhagia dubia George K. Helmkamp; Mary Alice Barnes 2013-4-18 20357 Placer Northern Sierra Nevada Mtns Foothills: Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 deg. ) of Weimar. 512 Comment
  UC1563726  Petrorhagia dubia Barbara Ertter with David Thompson 1989-4-8 8158 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); near entrance Auburn State Recreation Area 518 Comment
  RSA537447  Petrorhagia dubia Barbara Ertter, David M. Thompson 1989-4-9 8187 Placer Auburn-Forest Hill Road 6.2 miles southwest of Spring Garden Road junction, 8 miles northeast of Auburn. 610 Comment
  UCD22077  Phacelia Rex Palmer 1979-6-20 N 280 Placer Headwaters basin area of the North Fork of the American River. Comment
  SCFS855  Phacelia E. Krimmel 2013-6-29 Placer North Fork American River. Painted Rock Trail, Top Meadow. 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
  CDA15990  Phacelia hastata subsp. hastata G. F. Hrusa, J. Glazner 1999-7-17 15184 e Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET5764677  Phacelia hastata var. compacta M. J. Williams 1985-7-6 85- 63 -5 Placer Pacific Crest Trail between old and new Donner Summits. Sierra Nevada. Comment
  UCR246828  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2010-7-28 16655 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  UCD43241  Phacelia heterophylla C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 610 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS2109  Phacelia hydrophylloides C. F. Sonne 1888-7-1 390 Placer <?> on Truckee River Sierra Nevada Mountains Comment
  UCR207106  Phacelia hydrophylloides George K. Helmkamp, E. A. Helmkamp 2009-7-16 15231 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UC24386  Phacelia imbricata State Survey 1865-4-13 4580 Placer dry hills Newcastle Comment
  RSA0039073  Phacelia imbricata subsp. imbricata George K. Helmkamp, Mary Alice Barnes 2013-4-18 20369 Placer Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UC881156  Phacelia marcescens Lewis S. Rose 1940-5-29 40410 Placer 3 mi ne Emigrant Gap 1676 Comment
  UCD120564  Phacelia marcescens G. L. Stebbins 1977-7-8 7761 Placer East side of McKinistry Peak. 2316 Comment
  UC909967  Phacelia mutabilis A. A. Heller 12890 Placer Summit Station 2121 Comment
  RSA42327  Phacelia mutabilis Lincoln Constance 1946-7-2 3094 Placer Above Truckee River 1 mile southeast of Squaw Creek. 1829 Comment
  POM65397  Phacelia racemosa H. M. Hall 1910-6-19 8701 Placer Cisco. 1804 Comment
  JEPS71503  Phacelia ramosissima Gladys L. Smith 1972-6-20 3246 Placer steep slope just below Ward Peak summit 2628 Comment
  SACT001713  Phalaris minor D. Meyer 1983-5-15 Placer Moist roadside ditch next to a cultivated field. 19.812 Comment
  RSA0046097  Philadelphus lewisii Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UCD42860  Phleum alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 227 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCSC000002  Phleum alpinum Harriet A. Walker 2008-7-27 1479 Placer Cisco Comment
  SACT001753  Phleum pratense D. Meyer 1983-6-18 Placer Roadside drainage ditch. 412.0 Comment
  UCD44700  Phleum pratense C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2066 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UC480746  Phlox diffusa W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak Lake Tahoe Region Comment
  UC23685  Phlox gracilis C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  UC30191  Phlox gracilis H. N. Bolander 1865-1 4508 Placer near Auburn 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
  SEINET7270702  Phyllodoce breweri W. D. Billings 1950-7-30 1917 Placer Northeast side of Squaw Peak 2560 Comment
  UCR253539  Physalis lancifolia George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20087 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  CAS-BOT-BC76968  Pilularia americana K. L. Chambers; Robert Ornduff 1967-5-14 2843 Placer Hwy. 99E, 1.3 mi. south of Sheridan. Comment
  SEINET5334513  Pinus contorta T. C. Frantz 1951-4-22 s.n. Placer Between Truckee River and highway five miles east of Truckee. Comment
  RSA0116436  Pinus contorta var. murrayana I. L. Wiggins 1930-10-12 5081 Placer Donner Summit. 2175 Comment
  SEINET5334529  Pinus contorta var. murrayana R. Sumner 1949-4-15 108 Placer Tahoe Park, Lake Tahoe,Valley floor. 1890 Comment
  HSC1502  Pinus jeffreyi R. A. Magie 1964-6-12 104 Placer Turn off Hwy. 20 6 mi. W of Hwy. 40 junction, 12 mi. towards Lindsay Lake, Bulk Collection 42 1982 Comment
  NY61591  Pinus jeffreyi N. H. Holmgren 1969-7-25 3754 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
  OBI20101  Pinus jeffreyi David J. Keil 1978-7-23 12952 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  JEPS46845  Pinus monticola Dr. J. C. Hawver 1908-1-1 Placer near Summit; , (on C. P. R. R.) Comment
  UC1819257  Pinus ponderosa Glen E. Sindel 1955-9-25 s. n. Placer Forest Hill, northern edge of flat ridge top, ca. 50 ft W of northern edge of Forest Hill Ranger Station, Tahoe National Forest; IFG plot 68 975 Comment
  UC400273  Pinus ponderosa H. M. Hall 1916-6-18 10215 Placer 200 yds ne highest point <on hill>; Colfax Hill 853 Comment
  SEINET5334740  Pinus ponderosa var. ponderosa W. D. Billings 1943-1-17 1587 Placer 3 mi. NE of Tahoe City, north side of Lake Tahoe Comment
  UC338318  Pinus sabiniana unknown Placer Auburn Aubutn Comment
  UCD135008  Pinus sabiniana Beecher Crampton 1960-11-2 5796 Placer 2 miles east of Bowman, along U.S. Highway 40. 548 Comment
  SCFS1164  Piperia E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Chickering Meadow. Comment
  SBBG58821  Piperia transversa M. N. Ackley -Jun-1925 692 Placer Towle 1127 Comment
  UCD22150  Plagiobothrys cognatus Rex Palmer 1979-6-20 N 333 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS113117  Plagiobothrys fulvus Lowell Ahart, Brian Williams 2007-4-13 13636 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
  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
  CDA15983  Plagiobothrys hispidulus G. F. Hrusa, J. Glazner 1999-7-17 15162 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC82583  Plagiobothrys hispidulus Lowell Ahart 2002-7-22 9881 A Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  CAS-BOT-BC230955  Plagiobothrys hispidulus Peter Rubtzoff; Edward W. Colson 1976-7-7 8729 Placer E side of Lake Van Norden 2063 Comment
  UC1618221  Plagiobothrys nothofulvus Barbara Ertter with David Thompson 1989-4-8 8151 Placer Iowa Creek Rd. ca. 2 mi. from I-80 near entrance to Aubrun State Recreation Area (at creek crossing) 518 Comment
  UCD41256  Plagiobothrys nothofulvus Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1713 Placer East of Hwy 80 and town of Colfax, west side of the North Fork of the American River canyon. Along Iowa Hil Road, about 2.3 road miles east of junction with Canyon Way in town of Colfax. By sign that says Mineral Bar Area. 457 Comment
  SEINET10844289  Plagiobothrys stipitatus var. micranthus Lowell Ahart, Brian Williams 2007-4-13 Ahart 13638 Placer T13N, R6E, northwest 1/4 Section 34. Small and normal size plants, on damp granite soil, 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. Valley Grassland. 44 Comment
  UCR198417  Plagiobothrys stipitatus var. stipitatus George K. Helmkamp, E. A. Helmkamp 2008-4-17 13285 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  CAS-BOT-BC189606  Plagiobothrys torreyi Alice Eastwood 1909-1-1 52 Placer Sunnyside, Lake Tahoe Region Comment
  UCR234015  Plagiobothrys undulatus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17255 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  SD241121  Plantago coronopus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18650 Placer Sacramento Valley: along CA-193, 0.1 mile west of tis junction with Sierra College Blvd. (Gold Hill 7.5'Q) 88 Comment
  RSA756487  Plantago erecta Barbara J. Ertter, David Thompson 1989-4-8 8157 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  CAS-BOT-BC516752  Plantago lanceolata George K. Helmkamp; Amy Barnes 2013-3-28 20295 Placer Eastern Sacramento Valley: NW side of jct of Riosa Rd and Andressen Rd, NE of Sheridan 36 Comment
  UCR240946  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19898 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  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
  UC429340  Platanthera J. A. Decou 1900-8-5 456 Placer McKinney's Tahoe Comment
  UCR231817  Platanthera dilatata var. leucostachys George K. Helmkamp, E. A. Helmkamp 2010-8-14 16793 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
  JEPS111212  Platanthera leucostachys Steve Matson 2005-7-4 1374 Placer Martis Valley, southeast of Truckee, National Recreation Area , south of Highway 267 and south of Martis Creek and west of Northstar subdivision; along fenceline; 39.2866 N, 120.1401 W: elevation 5,900 ft. 1798 Comment
  RSA382901  Platanthera leucostachys Fay A. MacFadden 1934-7-2 12560 Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  UCD22069  Platanthera sparsiflora Rex Palmer 1979-7-11 N 536 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22070  Platanthera sparsiflora Rex Palmer 1979-7-25 N 680 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC92246  Platystemon californicus Carl B. Wolf 1937-3-30 8352 Placer Sacramento Valley, 1.5 mile east of Lincoln on Penryn Road. 60 Comment
  LA206293  Platystemon californicus Carl B. Wolf; 1937-3-30 8352 Placer Sacramento Valley, 1.5 mi. E of Lincoln on Penryn Road 60 Comment
  SEINET8530800  Plectritis ciliosa A. Beninghoff 1930-4-20 2957 Placer 6. mi S of Auburn, California Comment
  RSA0042076  Plectritis macrocera George K. Helmkamp, Mary Alice Barnes 2013-4-18 20347 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  SD43650  Plectritis macrocera Darley F. Howe 1948-5-23 1905 Placer American River 305 Comment
  UCR198054  Plectritis macrocera R. B. Kelley 1985-5-12 186 Placer Stevens Trail, at end of North Canyon Road, near Colfax 634 Comment
  UC415569  Pleuricospora fimbriolata C. F. Sonne August, 1896 Placer canyon above Martis Valley; Sierra Nevada Mts.; above Martis Valley, Placer Co. 2133 Comment
  UC1137074  Poa August L. Hormay 1933-5-24 Placer foothills w of Auburn Comment
  SACT001783  Poa annua D. Meyer 1984-6-10 Placer 436.0 Comment
  CAS-BOT-BC254763  Poa bolanderi Lewis S. Rose 1944-7-26 44269 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  SACT001805  Poa bolanderi D. Meyer 1983-8-20 Placer To summit of first lake, steep ricky trail with some moist meadow areas. 2000.0 Comment
  UCD21589  Poa bolanderi E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1252 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, ascending ridge. 2200 Comment
  SEINET10659108  Poa bolanderi A. Arthur Heller 1917-6-17 Heller 12701 Placer Low, gravelly places along the Yuba River below Cisco. Pinus Murrayana and Populus trichocarpa are the trees, several species of willow plentiful. Granite. 1676 Comment
  SACT001826  Poa canbyi Michael Baad 1983-8-27 Placer 2072.64 Comment
  UCD90841  Poa compressa Beecher Crampton 1955-6-15 2864 Placer 3 miles east of Weimar. Comment
  UCD90842  Poa compressa Beecher Crampton 1955-7-13 2995 Placer 3.5 miles east of Baxter, along U.S. Highway 40. 1432 Comment
  SACT001847  Poa gracillima Michael Baad 1983-7-10 Placer 19.52 km from Emigrant Gap along road to Helester Point, open rocky slope to left of road. 1524.0 Comment
  SACT001870  Poa nevadensis D. Meyer 1984-8-17 Placer West bound I80, 4.8 km west of Blue Canyon 1584.96 Comment
  CAS-BOT-BC247258  Poa palustris Beecher Crampton 1956-7-17 3727 Placer 3/4 mile west of Blue Canyon 1432 Comment
  SACT001892  Poa palustris D. Meyer 1984-7-21 Placer 7.52 km southeast of Placer County line moist shaded stream area. 9 mfrom roadway. 1758.0 Comment
  SACT001894  Poa palustris D. Meyer 1983-8-7 Placer 4.6 km south of Placer County line. Roadside. 1758.0 Comment
  UCD38668  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Blue Canyon. 1432 Comment
  CAS-BOT-BC247371  Poa pratensis W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  CAS-BOT-BC247376  Poa pratensis A. A. Beetle 1941-5-26 2717 Placer Near Cisco 914 Comment
  SACT001907  Poa pratensis Michael Baad 1983-7-10 Placer 6.1 miles by raod south of Emigrant Gap townsite, open west meadow 1524.0 Comment
  SACT001923  Poa pratensis D. Meyer 1983-7-30 Placer Collected in roadside ditch. 1853.18 Comment
  SACT001929  Poa pratensis D. Meyer 1984-9-9 Placer Collected at east fork of north fork of north fork of american river 1394.0 Comment
  SACT001932  Poa pratensis D. Meyer 1984-5-6 Placer Collected on Garden Bar Rd. Riparian habitat. 182.0 Comment
  SACT001934  Poa pratensis D. Meyer 1984-8-4 Placer Dry meadow with a few springs. 1454.0 Comment
  SACT001945  Poa pratensis D. Meyer 1984-5-27 Placer Off Hwy 267 moist meadow surrounded by sagebrush. Comment
  UCD91817  Poa pratensis A. A. Beetle 1941-5-26 2717 Placer near Cisco. 914 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
  SACT001973  Poa scabrella Michael Baad 1983-5-5 Placer 3 miles southeast of Canyon Way Road descending to North Fork of the American River. 548.64 Comment
  SACT001979  Poa scabrella Michael Baad 1983-5-5 Placer Junction of Yankee Jim and Shirttail Canyon Road. 1.6 km south of North Fork of American River. Comment
  POM260031  Poa secunda B. Bolt 1934-7-3 70 Placer Top of Sawtooth Ridge, Colfax. 1220 Comment
  UCD41249  Poa secunda Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1705 Placer Dutch Flat area, N of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles NE of intersection with Main St. 1066 Comment
  RSA0028924  Poa secunda John F. Emmel 1997-7-25 1510 Placer Sierra Nevada, Donner Pass area. West slope of Mt. Judah. Section 21 & Section 28. 2409 Comment
  CAS-BOT-BC242950  Poa secunda subsp. secunda Peter H. Raven; G. L. Stebbins 1952-4-20 4006 Placer N Fork American River S of Auburn near bridge on Route 49 213 Comment
  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
  UC1132787  Poa secunda subsp. secunda B. Bolt 1934-7-3 70 Placer top of Sawtooth Ridge; Colfax Quadrangle Comment
  UCD91579  Poa wheeleri Beecher Crampton 1964-7-21 7130 Placer Blue Canyon. 1430 Comment
  UCD91593  Poa wheeleri Mrs. H. P. Kelley 1915-6-22 s.n. Placer Squaw Valley. Comment
  UCD91594  Poa wheeleri P. B. Kennedy 1901-7-18 176 Placer near summit of Mt. Lola. Comment
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Jan 6 2015
  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
  CHSC74114  Polemonium occidentale Susi Urie 1998-8-13 98 -028 Placer Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CAS-BOT-BC170305  Polygala cornuta var. cornuta Isabel McCracken 1938-7-2 s.n. Placer Dutch Flat Comment
  RSA606205  Polygonum R. S. Woglum 1934-08 1311 Placer Northern Sierra Nevada Mountains: Lake Tahoe [Placer/El Dorado counties]. Comment
  UCR231848  Polygonum aviculare George K. Helmkamp, E. A. Helmkamp 2010-8-11 16755 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  JEPS72805  Polygonum aviculare subsp. depressum Gladys L. Smith 1972-8-25 3403 Placer about chairlift above Shirley Lake (tr. to Granite Chief) 2499 Comment
  CAS-BOT-BC414389  Polygonum californicum A. A. Heller 1917-8-15 12941 Placer Near Sheridan 38 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
  CDA25024  Polygonum douglasii J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-BC414542  Polygonum douglasii Peter Rubtzoff; Edward W. Colson 1976-7-6 8722 Placer Lake Van Norden 2063 Comment
  RSA122832  Polygonum douglasii B. Bolt 1934-7-19 150 Placer Colfax, Tadpole Springs. 1951 Comment
  UC169990  Polygonum douglasii subsp. douglasii Miss Helen D. Geis 1912-6 71 Placer Deer Park Comment
  CAS-BOT-BC418584  Polygonum minimum A. A. Heller 1919-7-25 13290 Placer Near the Yuba River below Cisco 1676 Comment
  UC147627  Polygonum phytolaccifolium Harriet A. Walker 1908-6-24 1258 Placer Blue Canyon Comment
  CAS-BOT-BC419862  Polygonum polygaloides subsp. confertiflorum M. S. Jussel 1928-6-25 s.n. Placer Fish Hatchery Comment
  CAS-BOT-BC420033  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1912-6-15 442 Placer Tahoe City, Lake Tahoe Region Comment
  UC1191259  Polygonum punctatum Malcolm A. Nobs 1948-9-25 688 Placer Hwy 49 about 9 mi n Auburn; Rock Creek Comment
  CAS-BOT-BC109255  Polygonum shastense M. E. Parsons 1912-8-25 s.n. Placer Crow Peak Summit. Comment
  UC1136152  Polygonum shastense B. Bolt 1934-7-12 108 Placer Snow Mountain Tahoe National Forest, Truckee Quadrangle 2438 Comment
  UCR173255  Polypodium calirhiza George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10450 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
  CDA2335  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer Near Auburn, bank of branch of Rubicon River. 0 Comment
  SACT001573  Polypogon australis D. Meyer 1983-7-16 Placer 1212.0 Comment
  SACT002028  Polypogon maritimus D. Meyer 1984-6-23 Placer Intersection of Iowa Hill Road and the American River, rocky riverbank. 978.0 Comment
  SACT002030  Polypogon monspeliensis D. Meyer 1983-5-15 Placer Moist roadside ditch next to cultivated field. 19.812 Comment
  SD58160  Polystichum imbricans subsp. imbricans Matt Herbrand 1917-12-20 Placer 1525 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
  UCD68058  Polystichum munitum C. H. Pinney 1975-5-24 167 Placer French Meadows Road, 15.8 miles East of junction with Mosquito Ridge Road. 960 Comment
  UCD158907  Polystichum scopulinum G. Ledyard Stebbins 1969-7-19 6942 Placer West end of Monumental Ridge, about 4 miles southeast of Emigrant Gap. Dry ledge of ultrabasic rock (peridotite) on north side of ridge. (Exact location unknown. Coordinates estimated by label maker.) 2057 Comment
  UCR146920  Populus balsamifera subsp. trichocarpa Beecher Crampton 1961-9-27 6016 Placer Sierra Nevada Mountains, 1 mile west of Cisco Grove [near county line], along U.S. Highway 40, Yuba River 1707 Comment
  SBBG117235  Populus tremuloides B. Crampton 1961-9-27 6002 Placer US Hwy 40, 1 mi W of Cisco Grove, Yuba River Comment
  UCD72908  Porterella carnosula Albert A. Grigarick 2008-6-17 19 Placer Vicinity of Pole Creek, west of Hwy. 89, SE of Donner Lake. Driving Directions: Int. 80 east to Hwy. 89 South, rt. turn at Pole Creek Rd. 6.3 miles, continue 1.8 miles on Pole Creek Rd. to large marsh on right of road. 2027 Comment
  CHSC74738  Potamogeton gramineus Susi Urie 1998-8-26 98 -107 Placer Lake Tahoe Basin-National Forest. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. Large meadow complex. 2121 Comment
  POM296430  Potamogeton gramineus Lyman Benson 1932-7-31 4013 Placer Donner Lake. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  SCFS1116  Potentilla E. Krimmel 2013-6-13 Placer NFAm. Stop #4. On trail to Heath Falls Overlook. Comment
  UC191285  Potentilla flabellifolia C. F. Sonne 1897-7-18 Placer near Tinker's Knob; near Tinker's Knob 2438 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
  CAS-BOT-BC540399  Potentilla gracilis var. fastigiata Margaret Williams 1974-8-8 74 -P1-22 Placer Sierra Nevada, Murphy's Meadow, 5 miles SE of Hirschdale 2316 Comment
  UC1128227  Potentilla gracilis var. flabelliformis H. S. Yates 1934-6-29 3899 Placer near Tahoe City; Tahoe National Forest, Truckee Quad. Comment
  CHSC117467  Potentilla rivalis B. Castro; Jessica Boyt 2013-9-11 1998 Placer Northern High Sierra Nevada. Plumas National Forest;W edge of Frenchman Lake, at boat ramp NW of 'Lunker Point' site on maps. 1703 Comment
  CAS-BOT-BC64619  Primula suffrutescens C. F. Sonne 1885-7-12 214 Placer Slope between Anderson's Peak. 2743 Comment
  CAS-BOT-BC64620  Primula suffrutescens Alice Eastwood 1909-1-1 307 Placer Wards Pass, between Ward Peak and Twin Peak; Deer Park, Lake Tahoe Region. Comment
  CAS-BOT-BC64621  Primula suffrutescens C. F. Sonne 1897-8-14 s.n. Placer E. slope of Mt. Anderson. Comment
  UC1039796  Proboscidea lutea L. S. Smith 1928-10-15 Placer Auburn Comment
  SEINET9262029  Prunella vulgaris subsp. lanceolata George K. Helmkamp, Elizabeth Helmkamp 2013-1 20804 Placer Northern Sierra Nevada Mountains Foothills; Yankee Jims Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5 Q) 768 Comment
  UCD22026  Prunella vulgaris var. lanceolata Beth Lowe Corbin 1982-8-5 250 Placer Onion Creek campground. In wet soil along stream's edge. Corolla upper lip purplish, lower lip white tinged with pink. Weak stems. Mostly sun. SW facing slope, 15% incline. Occasional. 1841 Comment
  UCR231866  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17029 Placer Northern Sierra Nevada Mountains Foothills, along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam 1180 Comment
  CAS-BOT-BC158581  Prunus John H. Thomas; Hazelle A. Thomas 1956-7-21 6124 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC159732  Prunus andersonii Elizabeth Parsons Hawver 1911-8-20 s.n. Placer Lakeside, Lake Tahoe Region 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
  CAS-BOT-BC163059  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer Near the Yuba River below Cisco 1676 Comment
  UC1128313  Prunus emarginata G. T. Nordstrom 1934-6-21 147 Placer 2 1/2 mi w by nw of Mammoth Springs (Tahoe National Forest); Tahoe National Forest 1584 Comment
  UC380841  Prunus emarginata Marcus E. Jones, A. M. 1882-5-28 2693 Placer Emigrant Gap Comment
  UC859381  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer below Cisco (near the Yuba River) 1676 Comment
  UC861017  Prunus emarginata Lewis S. Rose 1940-5-29 40420 Placer Cisco 1737 Comment
  UC1585836  Pseudobahia heermannii Barbara Ertter with David Thompson 1989-4-9 8195 Placer halfway down road to Lake Clementine (= North Fork Lake); Auburn Comment
  SD260907  Pseudognaphalium beneolens George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19805 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill (Duncan Peak 7.5'Q) 1677 Comment
  UCR241357  Pseudognaphalium canescens subsp. beneolens George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19818 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.8 miles northeast of Hidden Treasure Road, 0.75 mi. SE of Whisky Hill 1698 Comment
  SEINET12997150  Pseudostellaria Ronald L. Hartman 1997-7-11 58546 Placer Near campsite ca 200 yards from Foresthill Road, 2-2.5 road mi W from Sailor Flat trail turn-off. 1982 Comment
  CAS-BOT-BC80155  Pseudotsuga menziesii Saichi Kawahara 1969-5-24 1022 Placer ridge, east of old cabin, Mel Henderson Ranch, Indian Creek 1036 Comment
  CAS-BOT-BC361894  Psilocarphus tenellus R. Bacigalupi; McMinn; Mason 1926-5-28 1501 Placer At Rose Springs, about halfway between Folsom & Loomis. Southern Placer County Comment
  CAS-BOT-BC72534  Pteridium aquilinum John H. Thomas; Hazelle A. Thomas 1956-7-21 6196 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SEINET7236803  Pterospora andromedea K. Thorne, J. Chandler 1987-6-26 5414 Placer CA Hwy 27, 3.2 miles S of Brockway Summit. Comment
  SBBG29003  Puccinellia distans B. Crampton 1967-7-26 Placer Kingvale, Interstate 80 1950 Comment
  UCD91532  Puccinellia distans Beecher Crampton 1967-7-26 8155 Placer Near Nevada County line in Kingvale on Interstate 80. 1950 Comment
  UC480727  Purshia tridentata var. tridentata W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak; Lake Tahoe Region Comment
  UC474247  Pyrola picta G. W. Fetters 1929-8-2 Placer near shore of Lake Tahoe, Pomins Pomins; Lake Tahoe, Pomins Comment
  UCD21919  Pyrola picta Rex Palmer 1979-5-27 N 41 Placer Headwaters basin area of the North Fork of the American River 1889 Comment
  JEPS37696  Quercus X morehus J. C. Hawver 1909-4-4 Placer 3 mi sw Auburn Comment
  SEINET13953666 Image available Quercus X morehus A. Eastwood 1994-1 Placer Newcastle 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
  SACT002615  Quercus chrysolepis Josephine Van Ess 1976-9-29 Placer Collected a short way upstream from old Foresthill Bridge. Rocky steep streambank. Comment
  SJSU10143  Quercus chrysolepis A. W. Jacobs 1936-9-4 Placer E side of narrow gulch 1 mi NE of Colfax 762 Comment
  CDA20382  Quercus chrysolepis var. chrysolepis P. Akers 2002-4-14 s.n. Placer Northern California; Ponderosa Way, S of Weimar. 0 Comment
  CDA20381  Quercus douglasii P. Akers 2002-4-14 s.n. Placer Northern California; E end of Clarke Tunnel Rd, N of Penryn. 0 Comment
  UC1135561  Quercus durata N. French 1933-10-17 106 Placer Todd Valley Placerville National Forest, Placerville Quad. 762 Comment
  SACT002135  Quercus kelloggii Michael Baad 1977-6-1 Placer douglas fir forest and huckleberry oak with openings 1341.12 Comment
  CAS-BOT-BC104586  Quercus vacciniifolia J. F. Emmel 1970-6-21 317 Placer Slope, 0.6 air mile S of South end of Lake Mary, S. of Donner Pass 2286 Comment
  UCD21483  Quercus vacciniifolia Rex Palmer 1979-5-26 N 6 Placer Headwaters basin area of the North Fork of the American River 2011 Comment
  UCD21490  Quercus vacciniifolia Beth Lowe Corbin 1982-8-4 206 Placer Located on hill west of Onion Creek Campground. 1853 Comment
  SEINET10437466  Quercus vacciniifolia L. R. Miller 1933-8-27 1402 Placer Near Long's Lake. Comment
  SEINET10437527  Quercus vacciniifolia T. C. Frantz 1951-5-22 s.n. Placer N end of Lake Tahoe, next to NV state line. Comment
  SACT002728  Quercus wislizeni Michael Baad 1983-4-9 Placer 1.5 - 3.5 ,miles south of junction with Auburn-Forest Hill Road. 1000' above Middle Fork of the American River 304.8 Comment
  SEINET10437815  Quercus wislizeni W. D. Billings 1939-3-19 1192 Placer 2 miles N of Auburn. Comment
  CAS-BOT-BC362681  Raillardella argentea L. S. Smith 1926-6-24 1984 Placer Tahoe National Forest. W. side sec 10 near top ridge, Whiskey [Whisky] Cr. 2438 Comment
  CAS-BOT-BC379277  Ranunculus alismifolius var. alismellus John H. Thomas; Hazelle A. Thomas 1956-7-21 6086 Placer Sierra Nevada; vicinity of Donner Pass, about 80 mi northeast of Sacramento 0000000000000000000000000 2377 Comment
  CHSC73983  Ranunculus alismifolius var. alismellus Susi Urie 1998-9-1 98 -181 Placer Lake Tahoe Basin--National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CAS-BOT-BC379278  Ranunculus alismifolius var. alismellus A. A. Heller 1917-6-17 12712 Placer low, grassy places along the Yuba river below Cisco 1676 Comment
  UC634984  Ranunculus alismifolius var. alismifolius H. L. Mason 1926-5-29 3301 Placer Truckee River Comment
  CAS-BOT-BC379383  Ranunculus alismifolius var. hartwegii Lewis S. Rose 1940-6-2 40463 Placer Truckee River, 10 mi N of Tahoe City 1829 Comment
  CAS-BOT-BC379389  Ranunculus alismifolius var. hartwegii Mrs. Jos. Clemens 1920-4-13 7002 Placer Crescent Mills Comment
  CAS-BOT-BC379390  Ranunculus alismifolius var. hartwegii A. A. Heller; P. B. Kennedy 1907-7-9 8792 Placer Prattville Comment
  CAS-BOT-BC379395  Ranunculus alismifolius var. hartwegii Alice Eastwood 1912-6-15 s.n. Placer Lake Tahoe Region, Seven Lakes Comment
  CAS-BOT-BC379434  Ranunculus alismifolius var. hartwegii John Thomas Howell 1943-7-17 8490 Placer west side of Donner Pass near Norden, Boreal Ridge 2134 Comment
  CAS-BOT-BC379440  Ranunculus alismifolius var. hartwegii Lillian S. Mott 1968-4-28 1968 Placer Bear Valley Comment
  SEINET5338276  Ranunculus alismifolius var. hartwegii P. A. Lehenbauer 1926-4-25 1324 Placer Squaw Creek Comment
  JEPS127535  Ranunculus alismifolius var. lemmonii Steve Matson 1998-5-3 195 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, east of Martis Creek, logging road bridge. Comment
  CAS-BOT-BC379327  Ranunculus alismifolius var. lemmonii Olga Reifschneider 1955-4-24 s.n. Placer 5 mi north of Truckee, Highway 89 Comment
  CDA24300  Ranunculus aquatilis var. hispidulus H. R. Danielson 1962-4-28 Placer Highway 99E to Lincoln, ca. 5 miles north of Roseville. 0 Comment
  UCD44707  Ranunculus californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2073 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UC217467  Ranunculus muricatus H. M. Hall 1917-5-9 10292 Placer just n Lincoln (small gulch); Sacramento Valley Comment
  UCD35915  Ranunculus muricatus B. Crampton 1953-4-21 1117 Placer Sunnybrook Farms, 2 miles North of Lincoln. Comment
  SD239890  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18956 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road 1.7 miles north of its junction with Forest Hill Road (Foresthill 7.5'Q) 1041 Comment
  UCD43263  Ranunculus occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 631 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR235485  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18934 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  UCR257018  Ranunculus occidentalis George K. Helmkamp, Amy Barnes 2014-4-23 22788 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  SEINET12100621  Ranunculus occidentalis J. F. Bright, Wyman, C. 1933-1 8455 Placer Auburn Comment
  UCD54576  Ranunculus orthorhynchus Ellen Dean; Tammie Beyerl 2006-1-11 2770 Placer NW part of town of Auburn, north of municipal airport and south of Dry Creek Rd. 435 Comment
  UCD44729  Ranunculus orthorhynchus var. orthorhynchus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2095 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD42849  Ranunculus populago C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 215 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  RSA257183  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Placer Squaw Valley 7 miles NW of Tahoe City. 1890 Comment
  SEINET13946367 Image available Rhamnus rubra A. A. Heller 1917-1 12736 Placer Dry gravelly ridge, Emigrant Gap, elevation 5300 ft 1615 Comment
  UC870786  Rhamnus tomentella subsp. tomentella Marcus E. Jones, A. M. 1882-7-4 Placer Colfax Comment
  CAS-BOT-BC58199  Rhododendron columbianum Gordon H. True 1965-5-18 s.n. Placer Deer Creek trib. to truckee River just n. Squaw Valley. 1981 Comment
  JEPS127487  Ribes aureum var. aureum Steve Matson 2003-5-25 783 Placer nSNH: East ridge of Leavitt Peak, between summit and Latopie Lake. Comment
  CAS-BOT-BC108697  Ribes cereum Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region. Comment
  CAS-BOT-BC108698  Ribes cereum J. F. Rock 1917-6-1 s.n. Placer Lake Tahoe. Comment
  JEPS111154  Ribes cereum Steve Matson 2005-6-11 1249 b Placer North shore of Lake Tahoe; Lake Forest; Skylandia State Park; west edge of park; 39.1842 N, 120.1085 W; Elevation 6250 ft. 1905 Comment
  CAS-BOT-BC169086  Ribes inerme var. inerme A. A. Heller 1917-6-17 12718 Placer Low, grassy places along the Yuba River below Cisco 1676 Comment
  CHSC74094  Ribes inerme var. inerme Susi Urie 1998-8-13 98 -026 Placer Lake Tahoe Basin Management Unit- National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD43000  Ribes inerme var. inerme C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 369 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  HSC103235  Ribes montigenum Jade Paget-Seekins 2010-7-19 49 Placer Mountains west of Lake Tahoe, up Forest Route 3 past the Ellis Peak trailhead, left onto road toward Miller Meadows. 2280 Comment
  JEPS86495  Ribes montigenum L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6578 Placer ca. 5 mi se Donner Lake (near Frog Lake, in cirque below 7889 ft. rise, ca. 1.5 mi se of Chickering houses at Soda Springs (old resort)); Sherman Chickering's Soda Springs holdings 2286 Comment
  CAS-BOT-BC219202  Ribes nevadense Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat 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
  UC1127483  Ribes nevadense N. French 1933-9-14 102 Placer Greek Store Tahoe National Forest, Colfax Quadrangle Comment
  RSA0022891  Ribes nevadense J. H. Nishida 1985-7-10 778 Placer Homewood. 1829 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
  UCD22339  Ribes roezlii Beth Lowe Corbin 1982-8-2 151 Placer Onion Creek campground. In fine, sandy, granitic soil. Spiney shrub about 1.5' high with dark grey bark. Berries picked green. Partial sun. South facing slope. Uncommon. 1841 Comment
  CAS-BOT-BC186199  Ribes roezlii var. roezlii Julia McDonald 1914-6-1 s.n. Placer Homewood, Lake Tahoe Region Comment
  CAS-BOT-BC186203  Ribes roezlii var. roezlii W. R. Dudley 1893-6-11 s.n. Placer Along railroad west of Truckee Comment
  CAS-BOT-BC186213  Ribes roezlii var. roezlii Bethel; Posey 1920-6-6 s.n. Placer Truckee Comment
  CAS-BOT-BC362921  Rigiopappus leptocladus L. S. Smith 1932-5-11 2649 Placer Tahoe National Forest. Along Forest Hill road 457 Comment
  UCD108416  Robinia pseudoacacia G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12958 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD14914  Rorippa Beth Lowe Corbin 1982-8-17 363 Placer California, Placer Co.; 1 2/3 miles southwest of The Cedars; 1813 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
  CDA24990  Rorippa curvisiliqua J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  JEPS53836  Rorippa curvisiliqua W. H. Shockley June 1886 Placer Auburn Comment
  CHSC97766  Rorippa curvisiliqua var. orientalis Lowell Ahart 2007-11-13 14595 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan. 73 Comment
  SD81097  Rorippa nasturtium-aquaticum Darley F. Howe 1971-7-3 Placer Truckee 1830 Comment
  SBBG70532  Rosa bridgesii M. N. Ackley -Jun-1925 964 Placer Dutch Flat 1033 Comment
  CAS-BOT-BC147022  Rosa woodsii subsp. ultramontana C. B. Wolf 1931-9-10 2421 Placer Near R.R. between Tahoe Tavern and head of Truckee River (gates) 1920 Comment
  SCFS11529142  Rosa woodsii var. ultramontana E. Krimmel, F. Felix 2012-9-13 Placer Cedar Creek, in woods below Cedar's meadow. Comment
  SEINET7703904  Rosa woodsii var. ultramontana P. A. Lehenbauer 1931-8-30 1704 Placer Lake Tahoe, near Carnelian Bay. Comment
  RSA0009766  Rubus glaucifolius Marcus E. Jones 1882-6-28 3309 Placer Emigrant Gap. Comment
  POM308867  Rubus parviflorus Betty J. Jorgensen 1944-6-30 507 Placer Yuba River near Donner Summit Lodge. Comment
  SEINET11910807  Rubus parviflorus J. H. Nishida 1985-1 788 Placer Homewood 1829 Comment
  SEINET11918653  Rubus parviflorus C. F. Sonne 1884-8-10 73 Placer Trucker River Comment
  SEINET7705864  Rubus parviflorus P. A. Lehenbauer 1933-8-6 2305 Placer Tahoe, near Homewood Comment
  CAS-BOT-BC363203  Rudbeckia occidentalis Brandegee No date on label s.n. Placer Blue Canon [Canyon] Comment
  CAS-BOT-BC110505  Rumex Saichi Kawahara 1969-7-6 1454 Placer Mel Henderson Ranch, east bank of Indian Creek. 987 Comment
  UC1136221  Rumex acetosella H. S. Yates 1934-6-29 3879 Placer ner Brockway; Tahoe National Forest, Truckee Quad. 1920 Comment
  UCD100984  Rumex acetosella Amelie Blyth 1952-5-11 9- 2 Placer At junction of north fork and middle fork of American River, near Auburn. Comment
  UCR240968  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2012-9-25 19920 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  CHSC74116  Rumex salicifolius var. triangulivalvis Susi Urie 1998-8-19 98 -080 Placer Lake Tahoe Basin Management Unit - National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD43029  Sagina saginoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 398 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SJSU5141  Sagittaria cuneata R. L. Fisher 1959-8-12 Placer road to Cascade Lakes 2 mi W of Lake Van Norden 1981 Comment
  CAS-BOT-BC103555  Salix eastwoodiae W. R. Dudley 1900-6-14 5099 Placer Up grade east from hotel at Summit Comment
  UC846678  Salix exigua Marcus E. Jones, A. M. 1882-6-28 3486 Placer Emigrant Gap Comment
  CHSC9628  Salix geyeriana E. L. Smith 1971-7-27 1000 Placer At Martis Valley ca. 11 km se of Truckee. 1800 Comment
  CAS-BOT-BC108212  Salix hindsiana David D. Keck 1933-6-1 2436 Placer 1 mile south of Loomis on road to Rocklin Comment
  CAS-BOT-BC125291  Salix lasiandra var. lasiandra L. S. Smith 1931-5-22 2 Placer Tahoe National Forest, French Meadows 1828 Comment
  CAS-BOT-BC125296  Salix lasiandra var. lasiandra James Moffitt 1926-8-22 s.n. Placer Lake Tahoe Comment
  UC177224  Salix lasiolepis A. R. Valentien 1914-6-1 Placer Summit 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
  UCD58336  Salix lasiolepis Michael Persichetty 2007-6-6 2 B Placer Alta. North side of Spaulding Point. 1219 Comment
  CAS-BOT-BC124760  Salix lemmonii A. A. Heller 1917-6-17 12721 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124765  Salix lemmonii W. R. Dudley 1900-6-20 5349 Placer on north side of Independence Lake Comment
  CAS-BOT-BC124779  Salix lemmonii W. R. Dudley 1900-6-14 5024 Placer Shore of Donner Lake Comment
  CAS-BOT-BC124782  Salix lemmonii A. A. Heller 1917-6-19 12733 Placer Emigrant Gap 1615 Comment
  CHSC13659  Salix lemmonii E. L. Smith 1971-4-17 983 Placer At Yuba Gap ca. 7 km e of Emigrant Gap. 1770 Comment
  JEPS111243  Salix lemmonii Steve Matson 2005-6-19 1303 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
  UC1134907  Salix lemmonii B. Bolt 1934-8-21 185 Placer French Meadows, Poppy Camp Tahoe Nat'l Forest, Truckee Quad., French Meadows, Poppy Cam Comment
  UC847124  Salix lemmonii A. A. Heller 1917-6-19 12733 Placer Emigrant Gap 1615 Comment
  UCD22316  Salix lemmonii Rex Palmer 1979-5-26 N 2 Placer Headwaters basin area of the North Fork of the American River 2011 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
  SEINET11957674  Salix lemmonii E. L. Smith 1971-1 954 Placer Yuba Gap, 7 km E of Emigranat Gap 1770 Comment
  CHSC74124  Salix lucida subsp. lasiandra Susi Urie 1998-8-19 98 -084 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe. Between Kings Beach and Tahoe Vista. 1901 Comment
  UCR120232  Salix lucida subsp. lasiandra George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5066 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  JEPS86498  Salix orestera L. R. Heckard with J. Hickman and Alice Howard 1986-7-27 6579 Placer ca. 5 mi se Donner Lake (near Frog Lake, in cirque below 7889 ft rise, ca. 1.5 mi se of Chickering houses at Soda Spring (old resort)); , Frog Lake, Sherman Chickering's Soda Springs ho 2286 Comment
  CAS-BOT-BC129086  Salix scouleriana Gordon H. True 1968-4-17 4168 Placer Hwy. 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Rd. 1554 Comment
  UC1135082  Salix scouleriana B. Bolt 1934-7-19 145 Placer 1/2 mi. n. Tadpole Spring; Tahoe Nat'l Forest, Colfax Quad. Comment
  UCD33617  Salix scouleriana Beecher Crampton 1970-11-10 8656 Placer Placer County, Emigrant Gap, downslope from Hwy. 80 east. 1524 Comment
  RSA1844  Sambucus caerulea C. B. Wolf 1930-10-11 1729 Placer 4 miles west of Emigrant Gap 1524 Comment
  RSA477526  Sambucus caerulea Wm. Martin 1971-9-10 20240 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  JEPS16331  Sambucus mexicana Peter H. Raven 1956-8-4 9989 Placer Blue Canyon Sierra Nevada 1432 Comment
  CAS-BOT-BC235192  Sambucus racemosa var. racemosa Mrs. Marian Campbell 1920-6-28 s.n. Placer Lake Tahoe Region. Heather Lake Comment
  CAS-BOT-BC223279  Sanicula bipinnatifida Alice Eastwood 1912-6-28 497 Placer Colfax Comment
  UCR235488  Sanicula bipinnatifida George K. Helmkamp, E. A. Helmkamp 2012-5-5 18933 Placer Northern Sierra Nevada Mountains Foothills, Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  CAS-BOT-BC229031  Sanicula crassicaulis George K. Helmkamp; E. A. Helmkamp 2012-5-5 18936 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road 779 Comment
  UCSB32300  Sanicula graveolens Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UC1123196  Sanicula tuberosa N. French 1934-6-22 485 Placer 1/2 mi w of Lake Van Norden (Tahoe National Forest); Tahoe National Forest 2133 Comment
  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
  SEINET11160301  Sanicula tuberosa D. Worley 1977-3-19 s.n. Placer Near confluence of North and Middle Forks American River, near old road bed of Hwy 49. 335 Comment
  UCR120247  Sarcodes sanguinea George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5037 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CAS-BOT-BC466211  Sarcodes sanguinea Elizabeth Parsons Hawver 1911-6-1 s.n. Placer Lake Tahoe Region: Aspen Grove Comment
  JEPS111324  Saxifraga bryophora Steve Matson 2005-7-31 1431 Placer PCT 300 meters south of old Donner Summit;39.3134 N, 120.3262 W; elevation 7200 ft. 2194 Comment
  RSA121491  Saxifraga bryophora N. H. French 1934-6-22 464 Placer Serena Lake. 2104 Comment
  UC858774  Saxifraga mertensiana Marcus E. Jones, A. M. 1882-7-1 3588 Placer Emigrant Gap Comment
  POM93288  Saxifraga mertensiana Marcus E. Jones 1882-7-1 3588 Placer Emigrant Gap. Comment
  UC114879  Saxifraga tolmiei C. F. Sonne 1892-8 Placer Tinker's Knob; Sierra Nevada Mountains, Tinker's Knob Comment
  CDA36899  Scandix pecten-veneris CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  SDSU2325  Scandix pecten-veneris unknown 1948-5-21 1915 Placer 457 Comment
  SEINET10292131  Schoenoplectus pungens R. D. Olson 1949-5-14 19 Placer US Highway 40, Roseville City Limit 61 Comment
  CAS-BOT-BC110997  Scirpus microcarpus Lewis Samuel Rose 1944-7-25 44238 Placer Chambers Lodge, Lake Tahow meadow 1920 Comment
  UCD92480  Scribneria bolanderi Beecher Crampton 1953-4-21 1116 Placer 2 miles north of Lincoln, Sunnybrook Farms. Comment
  UCR146679  Scribneria bolanderi Beecher Crampton 1954-5-14 1901 Placer Sacramento Valley, 2 miles northwest of Roseville; Diamond K Ranch 46 Comment
  CAS-BOT-BC61453  Sedum lanceolatum John H. Thomas; Hazelle A. Thomas 1956-7-21 6131 Placer Sierra Nevada, Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  JEPS111315  Sedum lanceolatum Steve Matson 2005-7-30 1425 Placer Squaw Valley ski area, about 1.6 km SSW of High Camp (top of tramway), north side of ridge high point facing large rocky pinnacle (south of Emigrant Pass) 39.1885 N, 120.2775 W; elevation 8,700 ft. 2651 Comment
  SD95201  Sedum spathulifolium J. F. Addicott 1965-5-4 80 Placer 1.0 mile from Colfax on road to Owl Hill. 609 Comment
  UCD44656  Senecio hydrophiloides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2022 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC363907  Senecio integerrimus var. exaltatus Alice Eastwood 1912-6-15 462 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC363908  Senecio integerrimus var. exaltatus Alice Eastwood 1912-6-15 394 Placer Deer Park, Lake Tahoe Region Comment
  UC36178  Senecio integerrimus var. exaltatus J. Burtt Davy Jun 25 1897-Jun 30 1897 3249 Placer near Truckee River (on road to Tahoe); Truckee River Basin Comment
  UCD135552  Senecio integerrimus var. exaltatus Arthur D. Haig 1956-5-23 s.n. Placer 2 miles south of Truckee. Comment
  JEPS28864  Senecio integerrimus var. exaltatus J. R. Sweeney 1962-6-22 2646 Placer 2 mi e Tahoe City (n shore of Lake Tahoe); Lake Tahoe Comment
  UC197295  Senecio integerrimus var. exaltatus C. F. Sonne Jun 1898 Placer W slope Washoe Mountain near Truckee Comment
  CAS-BOT-BC364156  Senecio serra Elizabeth Parsons Hawver No date on label s.n. Placer Tahoe City, Lake Tahoe Region Comment
  CAS-BOT-BC364390  Senecio triangularis A. A. Heller 1919-7-26 13313 Placer Summit meadows west of Donner Pass 2072 Comment
  UC147620  Senecio triangularis Harriet A. Walker 1908-6-24 1287 Placer Blue Canyon 1432 Comment
  UCD44005  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1371 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC364383  Senecio triangularis C. F. Sonne 1884-7-20 185 Placer Sierra Nevada Mts. Truckee Comment
  JEPS126318  Sericocarpus oregonensis subsp. californicus Steve Matson 2004-8-22 1115 Placer Tahoe Basin west shore; Ward Canyon; Driveway off Zermatt Road near Courchevel Road. Comment
  UCD83590  Sericocarpus oregonensis subsp. californicus Albert Grigarick 2009-8-7 159 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1959 Comment
  UC1261252  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer s.e. corner Newcastle Rd. & Brenner Rd. Newcastle Comment
  CDA37687  Setaria faberi Breckenridge 2004-6-2 s.n. Placer Loomis, along Taylor Road. 0 Comment
  SACT002087  Setaria glauca Josephine Van Ess 1976-9-29 Placer Amoung rocks, near river, moist area. 182.9 Comment
  UCD92827  Setaria viridis var. major G. Douglas Barbe 1974-11-26 1985 Placer along Barton Road at Eureka Road, northwest corner, east of Roseville. Comment
  UC889388  Sherardia arvensis C. L. Hitchcock 1940-5-7 6352 Placer ca 1 mi w Baxter Comment
  SCFS1233  Sidalcea 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
  UCD22089  Sidalcea glaucescens Rex Palmer 1979-7-25 N 801 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR170803  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2005-9-30 9947 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  JEPS59421  Sidalcea glaucescens Ezra Brainerd and Viola B. Baird 1915-7-21 141 Placer along trail from Bear Rock to L. Tahoe; Sierra Nevada Mts., from Bear Rock to L. Tahoe 1889 Comment
  POM260017  Sidalcea hartwegii C. L. Hitchcock 1940-5-15 6404 Placer 6 miles N of Colfax Comment
  POM84039  Sidalcea hartwegii Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  UC871458  Sidalcea hartwegii C. L. Hitchcock 1940-5-15 6404 Placer 6 mi n Colfax; n of Colfax Comment
  UCD13330  Sidalcea malviflora Kristy S. Howard 1989-6-3 220 Placer Placer CO., Highway 174. T15N, R9E Sect. 27, NW 1/4. Elevation 2000 ft. 609 Comment
  UCR120242  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5032 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CHSC73959  Sidalcea oregana subsp. spicata Susi Urie 1998-9-1 98 -176 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 3 mi north of Lake Tahoe. 1908 Comment
  POM61902  Sidalcea oregana subsp. spicata George B. Grant 1906-6-25 7072 Placer Lake Tahoe. Comment
  UCD21602  Sidalcea oregana subsp. spicata E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1267 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
  UCD21998  Sidalcea oregana subsp. spicata Beth Lowe Corbin 1982-8-13 345 Placer 3/4 mile west of The Cedars, in meadow. Flowers rose pink. Mostly sun. South facing slope, 15% incline. Occasional. 1676 Comment
  SEINET8973570  Sidalcea oregana var. spicata K. Thorne, J. Chandler 1987-6-26 5431 Placer Squaw Valley Ski Resort. 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
  CAS-BOT-BC386981  Silene douglasii C. F. Sonne 1885-7-12 194 Placer Sierra Mountains Comment
  POM101045  Silene douglasii var. douglasii H. M. Hall 1910-7-4 8742 Placer Near Cisco. 1890 Comment
  UCD150314  Silene douglasii var. douglasii James A. Neilson Jr. 1970-8-5 1771 Placer Tahoe Basin, Ward Creek area. 2499 Comment
  CDA37055  Silene gallica CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  SD247390  Silene invisa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19230 Placer Northern Sierra Nevada Mountains: Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road. 1671 Comment
  UCD150316  Silene invisa James A. Neilson Jr. 1970-7-22 1626 Placer Tahoe Basin, Lower Ward Creek, Section 15. 2011 Comment
  CAS-BOT-BC389027  Silene laciniata subsp. californica G. Earnhart 1961-4-2 6 Placer 2 1/2 miles east of Auburn, north fork of American River 396 Comment
  CAS-BOT-BC181345  Silene latifolia Margaret J. Williams; Dieter Schacht 1987-6-19 87- 20 -1 Placer Near Hwy 89, just west of Tahoe City 1905 Comment
  CDA11926  Silene lemmonii G. F. Hrusa, J. Dinsdale 1989-5-2 7065 Placer Sierra Nevada; Mosquito Ridge Rd, about 15 miles below Placer Redwood Grove. Comment
  POM100920  Silene lemmonii Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC181373  Silene occidentalis H. M. Hall 1910-6-25 8709 Placer Cisco 1800 Comment
  UC1137899  Silene occidentalis subsp. occidentalis G. T. Nordstrom 1934-6-21 148 Placer 2 1/2 mi w by nw Mammoth Springs; Tahoe National Forest, Colfax Quad. Comment
  CAS-BOT-BC438824  Silene vulgaris George K. Helmkamp; Mary Alice Barnes 2013-5-3 20462 Placer Foothills, northern Sierra Nevada Mountains: SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road. 974 Comment
  SD81040  Sisymbrium altissimum Darley F. Howe 1971-7-3 Placer Truckee 2000 Comment
  CDA19548  Sisyrinchium elmeri M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 237 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  JEPS59425  Sisyrinchium elmeri Ezra Brainerd and Viola B. Baird 1915-7-22 145 Placer bank of Truckee River; Sierra Nevada Mountains 1889 Comment
  SACT002213  Sitanion hystrix D. Meyer Placer South of Truckee, campground along Truckee River. 1828.0 Comment
  SACT002219  Sitanion hystrix D. Meyer 1983-8-7 Placer Moist shady area, Louisiana Pacific Private Forest enterance. 2000.0 Comment
  SACT002253  Sitanion jubatum Michael Baad 1977-6-21 Placer Two miles north of junction of road. Extensive serpetine outcrop. 1158.0 Comment
  SACT002259  Sitanion jubatum Michael Baad 1977-6-8 Placer 1.3 miles southwest of Volcano Canyon on road between Forest Hill and French Meadows, roadside in serpentine. Comment
  UCR249594  Smilacina racemosa George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20818 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UCD126842  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer between sidewalk and street, 221 Elm Street, Roseville. Comment
  POM69614  Solanum umbelliferum Marcus E. Jones 1882-6-25 s.n. Placer Emigrant Gap. Comment
  UC1613935  Solanum umbelliferum Charles M. Belshaw 1935-6-8 1002 Placer between Colfax and Gold Run (near Baxter's Hotel, w side of Sierra Nevada); Sierra Nevada Comment
  UC710562  Solanum umbelliferum John Thomas Howell 1943-7-25 18806 Placer w side of Donner Pass near Norden; Donner Pass 2133 Comment
  RSA338635  Solanum umbelliferum Margaret J. Williams 1985-7-6 85- 63 -4 Placer Pacific Crest Trail between old and new Donner Summits. Comment
  SEINET3162627  Solanum xanti W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  UCR241764  Solidago altissima subsp. altissima George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19803 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
  UCR260078  Solidago californica George K. Helmkamp, Elizabeth Helmkamp 2013-10-14 22420 Placer Sierra Nevada Mountains Foothills, Yankee Jim Road, 3.6 miles northwest of its junction with Foresthill Road 651 Comment
  RSA122319  Solidago canadensis subsp. elongata B. Bolt 1934-8-22 186 Placer Grayhorse Flat, west of Lake Tahoe. 1982 Comment
  CAS-BOT-BC365502  Solidago elongata M. S. Jussel 1928-7-22 s.n. Placer Velma Falls, Lake Tahoe region Comment
  CHSC73023  Solidago elongata L. P. Janeway 1998-8-6 5960 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
  OBI20136  Solidago elongata David J. Keil 1978-7-23 12951 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  UC579497  Solidago elongata H. S. Yates 1934-6-29 3900 Placer near Tahoe City; Truckee Quad. Comment
  UC147612  Sonchus oleraceus Miss Harriet A. Walker 1908-6-27 1330 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC157304  Sorbus californica A. A. Heller 1909-7-16 9835 Placer Summit 2133 Comment
  SACT002283  Sorghum halepense Josephine Van Ess 1976-6-11 Placer Collected 1.3 miles west of Watt Ave. Bank of rice field. 21.3 Comment
  UCR253816  Sorghum halepense George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20099 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  CAS-BOT-BC389927  Spergula arvensis Beecher Crampton 1977-3-8 9452 Placer S.W. of Lincoln along Fiddyment road Comment
  CAS-BOT-BC390677  Spergularia rubra L. R. Abrams 1917-9-16 6768 Placer Emigrant Gap to Cisco Comment
  CAS-BOT-BC390678  Spergularia rubra A. A. Heller 1917-6-17 12723 Placer Cisco 1828 Comment
  CHSC85686  Spiraea densiflora G. F. Hrusa; J. Glazner 2000-9-3 15678 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CAS-BOT-BC152532  Spiraea splendens Alice Eastwood 1909-7-1 97 Placer Sunnyside Comment
  CDA13674  Spiranthes romanzoffiana G. F. Hrusa, J. Glazner 1997-8-3 14034 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC74329  Spiranthes romanzoffiana Susi Urie 1998-8-29 98 -167 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD33482  Sporobolus cryptandrus Beecher Crampton 1968-9-18 8384 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 Comment
  UCD93129  Sporobolus cryptandrus Beecher Crampton 1968-9-18 8384 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 Comment
  UC614788  Stachys ajugoides var. rigida Beryl O. Schreiber 1934-7-4 1182 Placer 6 mi e Lookout Comment
  RSA175346  Stachys albens Marcus E. Jones 1903-6-28 s.n. Placer Emigrant Gap Comment
  SEINET3155893  Stellaria longipes W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  UC8659  Stellaria longipes var. longipes C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  SEINET5337367  Stellaria media L. Killinger 1962-3-17 s.n. Placer 3 miles east of Auburn on north fork of American River. 396 Comment
  CAS-BOT-BC375009  Stenotus acaulis Elizabeth Parsons Hawver 1912-7-26 s.n. Placer Ellis Peak, Lake Tahoe Region Comment
  CHSC67639  Stenotus acaulis James D. Jokerst 1986-7-13 2736 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  RSA136740  Stephanomeria lactucina Roxana S. Ferris 1957-8-9 13098 Placer US Hwy 40 just W of Emigrant Gap. Around aeroplane beacon. Comment
  SACT002323  Stipa californica D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  SACT002329  Stipa californica D. Meyer 1984-7-15 Placer Collected 2.2 miles from lodge. Opening in forest canopy. 1909.0 Comment
  SACT002332  Stipa californica Michael Baad 1976-7-17 Placer Collected in ski area on trail to Five Lakes. Southeast corner of northeast corner. 2072.0 Comment
  SEINET10603802  Stipa californica A. Arthur Heller 1917-8-14 Heller 12925 Placer Mt. Lincoln south of Summit valley, on steep gravelly slope, with a few scattered trees of Hesperopeuce. Mertensiana near the crest. 2499 Comment
  SD279  Stipa eminens Unknown May 1914 13 40 Placer Cisco. Comment
  UCR242328  Stipa occidentalis George K. Helmkamp, E. A. Helmkamp 2010-7-28 16663 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  SEINET10610763  Stipa occidentalis Lewis S. Rose 1946-6-23 Rose 46193 Placer Rainbow, n. of Cisco 1737 Comment
  SACT002398  Stipa pulchra Josephine Van Ess 1976-4-14 Placer Collected at top of hill south of highway 193 in lava flow area. Flat rocky area. 152.4 Comment
  CAS-BOT-BC87763  Streptanthus tortuosus A. A. Heller 1917-6-17 12690 Placer Near the Yuba River below Cisco. 1676 Comment
  SCFS1190  Streptanthus tortuosus E. Krimmel 2014-4-21 Placer NFAm. Farthest rocky outcrop on Point Mariah Comment
  UCD22383  Streptanthus tortuosus Rex Palmer 1979-6-19 N 249 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22384  Streptanthus tortuosus Rex Palmer 1979-6-19 N 231 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR208540  Streptanthus tortuosus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14611 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  POM95334  Streptanthus tortuosus Marcus E. Jones 1902-6-28 s.n. Placer Emigrant Gap. Comment
  JEPS59428  Streptanthus tortuosus var. orbiculatus Ezra Brainerd and Viola B. Baird 1915-7-7 148 Placer Squaw Valley Sierra Nevada Mts. 1920 Comment
  UC112906  Streptanthus tortuosus var. orbiculatus Katharine Brandegee 1908-7-17 Placer near Blue Canyon Comment
  UCR231831  Suksdorfia ranunculifolia George K. Helmkamp, E. A. Helmkamp 2010-8-14 16779 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
  CAS-BOT-BC215295  Symphoricarpos mollis F. Almeda 1993-7-25 7302 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 Comment
  CAS-BOT-BC215300  Symphoricarpos mollis Marcus E. Jones 1882-6-27 3292 Placer Emigrant Gap Comment
  UCD74066  Symphoricarpos mollis Jennifer W. Burt 2005-7-17 75 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 2020 Comment
  CAS-BOT-BC245735  Symphoricarpos rotundifolius C. F. Sonne 1886-7-18 s.n. Placer Truckee River, Sierra Nevada Mts. Comment
  CHSC41120  Symphyotrichum bracteolatum James D. Jokerst 1983-10-11 1918 Placer Along the banks of Long Canyon Creek ca 1/4 miles SE of Blacksmith Flat. Comment
  JEPS126303  Symphyotrichum bracteolatum Steve Matson 1998-8-15 375 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; West Fork Snow Creek about 200 yards NW of pond. Comment
  CAS-BOT-BC97857  Symphyotrichum eatonii W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat Comment
  SEINET9331002  Symphyotrichum eatonii Unknown 2000-9-3 15665 Placer Placer Comment
  CAS-BOT-BC98047  Symphyotrichum lentum A. A. Heller 1926-9-3 14330 Placer Seven miles east of Auburn along the Lincoln highway Comment
  CAS-BOT-BC98477  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit Valley 2118 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
  UCD44596  Symphyotrichum spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1962 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UC128139  Symphyotrichum spathulatum Miss Harriet A. Walker 1908-7-27 1464 Placer Cisco Yuba River Comment
  CHSC73927  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-18 98 -063 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD44631  Symphyotrichum spathulatum var. spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1997 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  POM289884  Taraxacum officinale Lyman Benson 1942-7-2 11250 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCR208557  Taraxacum officinale George K. Helmkamp, E. A. Helmkamp 2009-5-11 14657 Placer Sierra Nevada Mountains Foothills, junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill 1338 Comment
  UC303494  Tauschia hartwegii Mary E. Pulsifer Ames March 1892 Placer Auburn Comment
  UC20474  Tetrapteron graciliflorum H. N. Bolander 1865-4-13 4564 Placer New Castle Comment
  CAS-BOT-BC392403  Thalictrum fendleri Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco Comment
  UC128270  Thalictrum fendleri Miss Harriet A. Walker 1908-7-26 1447 Placer Cisco 1828 Comment
  CAS-BOT-BC392398  Thalictrum fendleri Geo. B. Grant 1905-7-15 7008 Placer Tahoe Tavern, Lake Tahoe Comment
  CDA13673  Thalictrum fendleri var. fendleri G. F. Hrusa, J. Glazner 1997-8-3 14033 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC72885  Thalictrum sparsiflorum L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5767 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCD43892  Thalictrum sparsiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1258 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  RSA693557  Thelypteris nevadensis May N. Ackley 1925-06 64 Placer Near Towle Comment
  CAS-BOT-BC67323  Thysanocarpus radians M. K. Curran 1884-1-1 s.n. Placer Roseville. Comment
  SD143459  Thysanocarpus radians Darley F. Howe 1951-5-1 2112 Placer 455 Comment
  UCD116044  Thysanocarpus radians Allan R. Magie 1957-4-14 121 Placer Auburn. Comment
  UCR249596  Torilis arvensis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20813 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  UCD43934  Torreyochloa pallida var. pauciflora C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1300 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44011  Torreyochloa pallida var. pauciflora C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1377 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SACT002423  Torreyochloa pauciflora D. Meyer 1984-9-23 Placer Plants in water end of paved road to Barker Pass beneath bridge 2121.0 Comment
  SCFS11529141  Toxicodendron diversilobum E. Krimmel, F. Felix 2012-9-13 Placer NFAm 3 mi downstream from Cedars. Comment
  UC1334176  Toxicodendron diversilobum Thomas Morley 1946-5-30 594 Placer Dutch Flat n.e. of Masonic Cemetery; Dutch Flat 1005 Comment
  UC191386  Toxicodendron diversilobum C. F. Sonne 1891-5-17 Placer between Colfax and Gold Run Comment
  UCD117029  Toxicodendron diversilobum Thomas Morley 1946-5-30 594 Placer Northeast of the Masonic Cemetery, Dutch Flat. 1005 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
  UC572392  Trientalis latifolia N. French 1934-6-15 411 Placer Tahoe National Forest, Scott Hill Scott Hill; Tahoe National Forest, Scott Hill 1463 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
  UCR194934  Trifolium ciliolatum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12019 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  JEPS127542  Trifolium cyathiferum Steve Matson 1998-6-6 225 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 50 m south of Hwy 267, under power lines, 100 m east of Martis Creek. Comment
  UCD22008  Trifolium cyathiferum Rex Palmer 1979-7-9 N 449 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR146850  Trifolium depauperatum Beecher Crampton 1966-4-14 7644 Placer Sacramento Valley, north of Lincoln, Gladding Clay Pit Road and Hwy 99 [Calif. Hwy 65] 53 Comment
  RSA537641  Trifolium depauperatum Barbara Ertter 8186 Placer Auburn-Forest Hill Road 6 .2 mi SW of Spring Garden Road jct., ca 8 air miles NE of Auburn. 610 Comment
  CHSC96489  Trifolium depauperatum var. depauperatum Lowell Ahart; Brian Williams 2007-4-13 13644 Placer On damp granite soil, margins of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  SD248416  Trifolium depauperatum var. depauperatum George K. Helmkamp, Amy Barnes 2013-3-28 20280 Placer Eastern Sacramento Valley; along 10th street/Ranch House Road, 0.6 mile south of its junction with Riosa Road in Sheridan. 42 Comment
  CHSC114150  Trifolium dubium G. K. Helmkamp; E. A. Helmkamp 2010-4-17 15884 Placer Sierra Nevada Mountain Foothills: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA-49 near Pilot Hill. 314 Comment
  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
  UCR257603  Trifolium dubium George K. Helmkamp, Amy Barnes 2014-3-21 22636 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  CDA36256  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2009-5-11 14677 Placer Sierra Nevada Mountains Foothills; Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn. Comment
  CHSC114148  Trifolium hirtum G. K. Helmkamp; E. A. Helmkamp 2010-4-23 15933 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 157 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
  SBBG122296  Trifolium hirtum G. K. Helmkamp with E. A. Helmkamp 2008-4-17 13297 Placer ca. 0.2 mi N of St Hwy 193 on Fowler Rd, ca. 6 mi E of Lincoln 92 Comment
  SD237453  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15907 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road at Miners Valley Road, 4.5 miles south of junction with CA-49 at Pilot Hill (Pilot Hill 7.5'Q) 287 Comment
  SEINET9347167  Trifolium hirtum Unknown 2010-4-23 15907 Placer Sierra Nevada Mountains Foothills 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
  UCR250064  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
  UCR258124  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-3-21 22648 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  JEPS127436  Trifolium lemmonii Steve Matson 1998-6-6 202 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area south of Highway 267. 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
  CDA37046  Trifolium microcephalum CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  JEPS127430  Trifolium monanthum subsp. monanthum Steve Matson 1998-8-21 391 Placer nSNH Tahoe North shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; east of main boggy site on West Fork Snow Creek. Comment
  JEPS59437  Trifolium monanthum var. parvum Ezra Brainerd and Viola B. Baird 1915-7-21 157 Placer trail up river to Lake Tahoe; Sierra Nevada Mtns 1889 Comment
  HSC26673  Trifolium pratense Thomas W. Nelson 1972-11-25 703 Placer Del Oro Rd. near Roseville Comment
  CAS-BOT-BC230184  Trifolium productum John Thomas Howell 1938-8-2 13995 Placer 5 miles n. of Brockway Comment
  UC147609  Trifolium repens Miss Harriet A. Walker 1908-6-27 1336 Placer Blue Canyon 1432 Comment
  UCD147090  Trifolium striatum Chuck Hughes 2013-5-6 374 Placer Southwest margin of Camp Far West Reservoir. 96 Comment
  SD247434  Trifolium tomentosum George Helmkamp, Amy Barnes 2013-3-28 20299 Placer Eastern Sacramento Valley: Northwest side of junction if Riosa Road and Andressen Road, northeast of Sheridan (Lincoln 7.5'Q) 35 Comment
  UC631450  Trifolium variegatum A. A. Heller 1919-7-25 13310 Placer below Cisco (near the Yuba River) Comment
  UCD109433  Trifolium variegatum R. Tofsrud 1951-6-1 s.n. Placer Between Weimar and Colfax. Comment
  UC968631  Trifolium variegatum var. variegatum C. L. Hitchcock 1940-5-7 6348 Placer ca 1 mi w Baxter Comment
  CDA28303  Trifolium willdenovii T. C. Fuller 1958-4-15 Placer Highway 99E, 0.5 mile north of Roseville. 0 Comment
  RSA0107422  Trifolium willdenovii George K. Helmkamp, Amy Barnes 2014-3-21 22630 Placer Sacramento Valley: Riosa Road at the east side of its junction with CA-65, just west of Sheridan. 33 Comment
  UCR173249  Trifolium willdenovii George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10458 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
  UC147859  Trifolium willdenovii Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  POM109197  Trillium angustipetalum Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  CHSC96511  Triphysaria eriantha subsp. eriantha Lowell Ahart; Brian Williams 2007-4-13 13654 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  HSC82230  Triphysaria eriantha subsp. eriantha Thomas W. Nelson 1979-4-10 4590 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  SD44180  Triphysaria pusilla Darley F. Howe 1948-5-20 Placer Placer Co. 456 Comment
  SACT002432  Trisetum canescens D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  UCR235592  Trisetum canescens George K. Helmkamp, E. A. Helmkamp 2012-5-5 18925 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
  SACT002429  Trisetum canescens D. Meyer 1984-7-24 Placer Soda Springs Road 13.3 km from dam. 1454.0 Comment
  UC1133267  Trisetum projectum B. Bolt 1934-7-10 92 Placer 1 mi nw mouth of Little Granite; Tahoe National Forest, Colfax Quadrangle Comment
  UC1155399  Trisetum projectum Beecher Crampton 1964-7-21 7115 Placer Hwy 40 1/2 mi wnw Cisco Grove 1706 Comment
  SACT002465  Trisetum wolfii Michael Baad 1976-8-7 Placer Junction of Bear Lake Trail with Barker Creek to the Rubicon Trail 2316.48 Comment
  UC843577  Triteleia hyacinthina C. L. Hitchcock 1940-5-14 6378 Placer ca 6 mi n Colfax (Meier Ranch); Meier Ranch 762 Comment
  UCD13222  Triteleia ixioides Pamela Ephgrave 1975-5-24 172 Placer Forest Hill Rd, 5.9 miles east of junction with State Highway 49. 365 Comment
  UCD14650  Triteleia ixioides Deanna Lynn Pfleger 1989-5-20 1 Placer 20 miles out of the town of Auburn, along Foresthill Road; 1036 Comment
  UCD22034  Triteleia ixioides Rex Palmer 1979-6-19 N 256 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC524221  Triteleia ixioides subsp. anilina H. D. Ripley; R. C. Barneby 1948-1-1 9827 Placer Yuba Gap, Nevada County Line Comment
  RSA123559  Triteleia ixioides subsp. anilina Milo S. Baker 1931-5-31 5338 Placer Highway 40, 1 1/2 miles west of Big Bend Ranger Station. Comment
  UCD164644  Triteleia ixioides subsp. ixioides Brandi Sorensen 1995-5-12 15 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  SEINET7067121  Triteleia laxa A. G. Vestal 1947-4-29 s.n. Placer About 3.3 miles north of Auburn. Coordinate datum: NAD27. Comment
  SBBG17277  Tropidocarpum gracile M. Vincent 1962-4-14 170 Placer US Hwy 99, 3 mi N of Roseville Comment