Search Results — 2000 specimen records retrieved (1595 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC1335  Abies concolor R. A. Magie 1964-6-12 103 Placer Turn off of Hwy. 20, 6 mi. W of Hwy. 40 junction, 12 mi. towards Lindsay Lake 1982 Comment
  UC1134159  Abies concolor R. W. Lundh 1933-4-26 238 Placer 3 mi s Signal Peak; Tahoe National Forest, Colfax Quadrangle 1828 Comment
  UCD43915  Abies concolor C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1281 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC3899  Abies magnifica Don Heinz 1967-2-12 Placer 100 yds uphill from Standard Service Station at Baxter on Interstate 80 (Hwy.). 1219 Comment
  RSA123358  Abies magnifica R. W. Lundh 1933-4-26 241 Placer 3 miles E of Big Ben R.S. Truckee quadrangle. 1982 Comment
  UCD22100  Acer glabrum Rex Palmer 1979-5-27 N 67 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22104  Acer glabrum Rex Palmer 1979-6-21 N 395 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET7893697  Acer glabrum var. glabrum W. D. Billings 1951-7-28 2132 Placer W. side of Sierra Nevada, 1-2 mi. S of The Cedars, American River drainage. 1829 Comment
  CAS-BOT-BC333260  Acer macrophyllum Saichi Kawahara 1969-5-24 881 Placer Old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  SEINET3828342  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2012-1 18953 Placer Northern Sierra Nevada Mountians Foothills: Finnin Mill Road, 1.7 miles north of its junction with Forest Hill Road, Foresthill 7.5 1041 Comment
  CDA39012  Achillea millefolium Larry Klaasen, D. G. Kelch 2011-10-3 s.n. Placer Tahoe City. Granlibakken Resort. Comment
  CHSC10595  Achillea millefolium Lowell Ahart 1966-8-12 Placer French Meadows. 1676 Comment
  UCD130325  Achillea millefolium Albert Grigarick 2011-8-31 306 Placer Alpine Meadows Ski Resort. Approx. 200 yds W of headquarters. 2150 Comment
  UCD43244  Achillea millefolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 613 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC1133121  Achnatherum lemmonii G. T. Nordstrom 1934-6-21 134 Placer 4 mi wnw Mammoth Springs; Tahoe Natioanl Forest, Colfax quadrangle Comment
  UCD32814  Achnatherum lemmonii Beecher Crampton 1964-7-21 7125 Placer Placer County, one mile east of Cisco Grove, old US Hwy. 40. Comment
  SEINET3828338 Image available Achnatherum lettermanii George K. Helmcamp, E. A. Helmkamp 2012-1 18959 Placer Northern Sierra Nevada Mountians Foothills: Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road, Foresthill 7.5' Q. 1140 Comment
  SEINET255890 Image available Achnatherum nevadense Mary E. Barkworth, LR Firestone 1987-8-20 4009 Placer Campground 0.7 mi south of I 89 to Tahoe City Interchange Truckee. Comment
  SEINET255910 Image available Achnatherum nevadense Mary E. Barkworth 1987-8-21 4012 Placer 1 block north of intersection of 89 south to Tahoe City and I 80 in Truckee Comment
  UCD50815  Achnatherum nevadense A. A. Heller 1917-8-14 12925 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  CAS-BOT-BC216876  Achnatherum occidentale Lewis S. Rose 1944-7-10 44061 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  CAS-BOT-BC210836  Achnatherum occidentale subsp. californicum C. G. Pringle 1882-9-20 s.n. Placer Summit Valley, Sierra Nevada Mts. 2438 Comment
  UCR241743  Achnatherum occidentale subsp. californicum George K. Helmkamp, E. A. Helmkamp 2012-6-19 19220 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  RSA126821  Achnatherum occidentale subsp. occidentale H. S. Yates 1936-8-9 5982 Placer 1.5 mi SW of Martis Plc. 2348 Comment
  JEPS45878  Achnatherum stillmanii L. S. Smith 1927-7-6 2054 Placer Mosquito Ridge, s and sw slope Tahoe Forest (Forest Hill District) 1676 Comment
  UC400971  Achnatherum stillmanii H. N. Bolander 1871-1-1 Placer near Emigrant Gap; Sierra Valley Comment
  UCD54020  Achnatherum stillmanii G. F. Hrusa; B. Meese 1997-3-26 13791 Placer Italian Bar Trail, N-facing slope to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. 900 Comment
  JEPS490  Achnatherum stillmanii L. S. Smith 1926-6-3 1880 Placer Sugar Pine Range Tahoe Forest (Forest Hill District) 914 Comment
  CHSC81783  Acmispon nevadensis var. nevadensis Lowell Ahart; Peter Ahart 2001-10-10 9345 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  UC1505786  Aconitum Robert T. Clausen and Harold Trapido 1940-7-13 4887 Placer 2 mi. w. Lake Tahoe (along Ward Creek); Sierra Nevada, Lake Tahoe Basin, Ward Creek 1905 Comment
  SEINET5337506  Aconitum columbianum P. A. Lehenbauer 1932-9-11 1469 Placer Carnelian Bay, Tahoe. Comment
  CAS-BOT-BC391459  Aconitum columbianum subsp. columbianum Alice Eastwood 1909-1-1 77 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC391463  Aconitum columbianum subsp. columbianum Geo. B. Grant 1906-7-15 7009 Placer Tahoe Taern, Lake Tahoe Comment
  UCD22143  Aconogonon davisiae Rex Palmer 1979-7-11 N 565 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA19803  Acroptilon repens R. Breckenridge 1998-7-22 PDR 389791 Placer Sierra Nevada; N side of Hwy 89 near MP 18.17 at Truckee River south of Truckee. 0 Comment
  JEPS60389  Actaea rubra Leland S. Smith 1931-5-12 2541 Placer Tahoe Forest 914 Comment
  UCD128410  Adenocaulon bicolor Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  UCD69172  Adenocaulon bicolor D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-9 s.n. Placer Blue Canyon. Tahoe National Forest. Mesophytic white fir forests in Blue Canyon (Abietion lowianae Rivas-Martinez and Sanchez-Mata 1997). 1550 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
  UCR218241  Adiantum jordanii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16437 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  SEINET5338310  Adiantum pedatum P. B. Kennedy 1901-8-21 427 Placer Talbots Home Camp, 7 miles from French Meadows Cal. Comment
  UCD147087  Aegilops neglecta Chuck Hughes 2013-5-6 372 Placer Southwest margin of Camp Far West Reservoir. 96 Comment
  CDA42825  Aegilops triuncialis G. F. Hrusa, M. Pitcairn 2015-7-16 18648 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 Comment
  SACT000029  Aegilops triuncialis D. Meyer 1983-7-24 Placer Moist, shady roadside 1036.32 Comment
  SEINET9287940  Agastache urticifolia Unknown 2000-7-1 15617 Placer Placer Co., CA Comment
  UCD22078  Agastache urticifolia Rex Palmer 1979-7-25 N 804 Placer Headwaters basin area of the North Fork of the American River Comment
  UC615511  Agastache urticifolia Beryl O. Schreiber 1932-9-11 766 Placer road to Summit Comment
  UC472273  Ageratina occidentalis Miss Helen D. Geis Jun 1 1912-Jul 1 1912 106 Placer Deer Park Comment
  UCD128552  Ageratina occidentalis A. T. Leiser 1972-8-14 s.n. Placer Alpine Meadows. Comment
  CAS-BOT-BC15494  Agoseris X elata Mrs. E. Parsons 1910-7-26 s.n. Placer Sunnyside, Lake Tahoe Comment
  CAS-BOT-BC15491  Agoseris X elata Alice Eastwood 1909-1-1 141 Placer Sand Harbor Comment
  UCR173256  Agoseris grandiflora George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10449 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
  SD113167  Agoseris heterophylla S. F. Blake 1951-5-5 2174 Placer Placer Co. 455 Comment
  CAS-BOT-BC13323  Agoseris retrorsa L. S. Smith 1925-4-16 1777 Placer Tahoe National Forest. Forest Hill Divide. 609 Comment
  CAS-BOT-BC13328  Agoseris retrorsa Saichi Kawahara 1969-5-25 1016 Placer East bank of Indian Creek. East of house, Mel Henderson Ranch. Dutch Flat Quadrangle. 1036 Comment
  JEPS126325  Agoseris retrorsa Steve Matson 1999-6-12 406 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; just south of dirt road western extension of North Ave. Comment
  CDA1690  Agropyron desertorum T. C. Fuller 1964-9-1 12573 Placer Sierra Nevada; 0.1 mile west of Blue Canyon Road, north side of Interstate 80 freeway from Donner Summit. Comment
  SACT000041  Agropyron desertorum D. Meyer 1983-8-7 Placer Hwy 267 4.64 km S of Placer County line, roadside wash 1758.0 Comment
  SACT000060  Agropyron subsecundum Michael Baad 1983-7-23 Placer South of Truckee-Tahoe Airport, along north east side of highway 267 1767.84 Comment
  UCR201916  Agrostis George K. Helmkamp, E. A. Helmkamp 2008-8-20 14036 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
  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
  SACT000127  Agrostis diegoensis Michael Baad 1976-8-4 Placer Banks of Picoyune Creek amoung rocks and in the gravel beside creek, white fir forest with openings 1975.1 Comment
  SACT000128  Agrostis diegoensis D. Meyer 1984-7-15 Placer Soda Springs Rd. 3.3 mi from Sevene Lakes Lodge. 1909.0 Comment
  CAS-BOT-BC127109  Agrostis exarata Margaret Williams 1974-8-8 74 -Pl-9 Placer Sierra Nevada. Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  SACT000083  Agrostis exarata D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT000087  Agrostis exarata D. Meyer 1984-6-10 Placer 436.0 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
  SACT000093  Agrostis exarata Josephine Van Ess 1977-9-16 Placer Growing in mud in small pools at river's edge 378.0 Comment
  SACT000101  Agrostis exarata D. Meyer 1984-7-29 Placer French Meadows roadside of reservoir. Moist shady north facing slope. 1612.0 Comment
  SEINET10268403  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2012-1 198895 Placer Northern Sierra Nevada Mountains: junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  UCD52337  Agrostis exarata August L. Hormay 1932-7-8 s.n. Placer Base of Echo Lake, grade North side. Comment
  UCD52347  Agrostis exarata Hitchcock Date Unknown 12891 Placer Summit Station. 2121 Comment
  UCD52406  Agrostis exarata N. French 1933-6-6 s.n. Placer near Newcastle. 304 Comment
  UCR146666  Agrostis exarata Beecher Crampton 1970-6-26 8640 Placer Sierra Nevada Mountains, Gold Run 915 Comment
  CAS-BOT-BC139727  Agrostis gigantea Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 Comment
  CAS-BOT-BC139254  Agrostis idahoensis A. A. Heller 1917-8-13 12913 Placer Ridge northwest of Donner Pass. 2346 Comment
  UCD52781  Agrostis idahoensis L. S. Smith 1914-9-14 s.n. Placer Col. Near Devils Peak. Comment
  UCD52992  Agrostis idahoensis Lewis S. Rose 1944-7-26 44272 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  SEINET13384101 Image available Agrostis pallens George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-1 19523 Placer Northern Sirrea Nevada Mountains: Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2135 Comment
  UC814989  Agrostis pallens A. A. Heller 1917-8-13 12897 Placer base of cliff n Summit Hotel 2164 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
  JEPS127496  Agrostis scabra Steve Matson 2002-11-7 773 Placer Tahoe west shore; Emerald Bay, Eagle Falls trailhead. Comment
  SACT000150  Agrostis scabra D. Meyer 1983-9-10 Placer moist streambank and meadow 1879.0 Comment
  SACT000165  Agrostis scabra D. Meyer 1984-7-8 Placer Road to reservoir, roadside 1758.0 Comment
  UCD22258  Agrostis scabra Beth Lowe Corbin 1982-8-9 275 Placer 1/4 mile SW of Onion Creek Campground. S facing slope, 10% incline. Mostly sun. Common. Small, grassy meadow in white fir forest in fine, sandy soil. Perennial, forming loose bunches. 1859 Comment
  UCD32810  Agrostis scabra Beecher Crampton 1964-7-21 7120 Placer Placer County, Cisco Grove, US Hwy. 40. Comment
  UCD34882  Agrostis scabra Beecher Crampton 1964-7-9 7112 Placer Placer County, Emigrant Gap, Hwy. 40. 1615 Comment
  UCD53345  Agrostis scabra B. Bolt 1934-8-14 173 Placer E. slope of Red Star Ridge. 1767 Comment
  SACT000174  Agrostis semiverticillata Josephine Van Ess 1976-5-12 Placer streamside, wet 91.5 Comment
  UCD34017  Agrostis stolonifera Beecher Crampton 1975-9-9 9268 Placer Placer County, Tahoe National Forest, 1.2 mile N.E. of Blue Canyon post office. 1524 Comment
  SACT000199  Agrostis stolonifera var. major D. Meyer 1984-9-9 Placer east fork of the north fork of the north fork of the American River 1394.0 Comment
  SACT000201  Agrostis stolonifera var. major Michael Baad 1976-8-4 Placer Picayune Trail at end of Jeep road, two miles east of Talbot Camp, ne of mildred ridge 1975.0 Comment
  SACT000246  Agrostis variabilis D. Meyer 1983-7-30 Placer Moist areas on both sides of road. 2072.64 Comment
  SACT000250  Agrostis variabilis Michael Baad 1983-8-21 Placer On road to Kidd and Cascade Lakes 2.4 miles southwest of Soda Springs exit off of Interstate 80 2019.0 Comment
  CDA4760  Ailanthus altissima T. C. Fuller 1975-9-5 20101 Placer Sierra Nevada; Between old Highway 40 & Interstate 80 freeway, north limits of Colfax. Comment
  RSA385608  Aira caryophyllea A. A. Beetle 1941-5-26 2710 Placer Near Cisco 915 Comment
  SACT000227  Aira caryophyllea D. Meyer 1983-5-7 Placer Comment
  SACT000228  Aira caryophyllea D. Meyer 1983-5-15 Placer 36.6 Comment
  SACT000265  Aira caryophyllea Michael Baad 1983-5-7 Placer open rock hillside; south facing serpentine outcrop 426.7 Comment
  SACT000274  Aira caryophyllea Earl Ingrim 1933-4-23 Placer Comment
  CAS-BOT-BC464521  Allium campanulatum John H. Thomas; Hazelle A. Thomas 1956-7-21 6139 Placer Sierra Nevada. vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  SEINET176938  Allium campanulatum M. E. Jones 1882-6-30 2881 Placer Emigrant Gap Comment
  UC495488  Allium campanulatum Merle Randall 1930-6-17 Placer Big Bend Ranger Station 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
  RSA123619  Allium campanulatum Milo S. Baker 1931-5-31 5340 Placer Highway 40, 1 1/2 miles west of Big Bend Ranger Station. Comment
  UC635251  Allium obtusum H. L. Mason 1933-5-28 7242 Placer Pyramid Creek, Placerville Road 1905 Comment
  CAS-BOT-BC474276  Allium obtusum var. obtusum Alice Eastwood 1912-6-15 417 Placer Five Lakes. Lake Tahoe Region Comment
  CAS-BOT-BC132052  Allium peninsulare var. peninsulare David D. Keck 1933-6-1 2431 Placer 2.3 miles southeast of Loomis on back road to Folsom Comment
  UCD22045  Allium platycaule Rex Palmer 1979-6-9 N 165 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  RSA300577  Allium validum John Dourley, Walter Wisura 1982-10-13 3861 Placer ca. 6 miles SW of Emigrant Gap, along forestry road 19. 1463 Comment
  JEPS127505  Allophyllum gilioides subsp. violaceum Steve Matson 1998-6-24 298 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  OBI41299  Allophyllum gilioides subsp. violaceum Lewis S. Rose 1941-7-9 41299 Placer Chambers Lodge (McKinney), Lake Tahoe ca. open dry flats. 1920 Comment
  JEPS127512  Allophyllum integrifolium Steve Matson 1997-6-15 2 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  UC1123715  Allophyllum integrifolium B. Bolt 1934-7-19 148 Placer Tadpole Spring, Plot #233 Tahoe Nat'l Forest; , Colfax Quad., Tadpole Spring Comment
  UC147645  Allophyllum integrifolium Harriet A. Walker 1908-6-23 1204 Placer Blue Canyon 1432 Comment
  UC1714458  Allophyllum integrifolium Miss Helen D. Geis 1912-6 210 Placer Deer Park 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
  RSA463214  Alnus incana subsp. tenuifolia J. H. Nishida 1985-7-10 793 Placer Homewood. 1829 Comment
  UC1076422  Alnus incana subsp. tenuifolia Herbert L. Mason 1929-10-14 5461 Placer 1 mi above Cisco Comment
  SACT002783  Alnus tenuifolia Michael Baad 1983-9-3 Placer Collected from Spitz Inn to wester slope of Mount Judah near summit 2286.0 Comment
  UCD21603  Alopecurus pratensis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1268 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
  UCD150263  Amaranthus hybridus James A. Neilson Jr. 1971-8-7 2309 Placer Heavenly Valley ski lift. 2118 Comment
  CAS-BOT-BC13676  Ambrosia artemisiifolia Peter H. Raven 1954-8-27 7957 Placer Penryn Comment
  SJSU11705  Ambrosia artemisiifolia C. T. Osugi 1969-10-4 86 Placer Loomis, 21 miles NE of Sacramento Comment
  JEPS59457 Image available Amelanchier alnifolia var. pumila Ezra Brainerd and Viola B. Baird 1915-7-13 192 Placer slopes along Truckee River; Sierra Nevada Mountains 1905 Comment
  POM256331  Amelanchier pumila V. Newsom 1940-7-16 265 Placer On Hwy 2 miles of S Tahoe City. 1905 Comment
  CAS-BOT-BC64271  Anaphalis margaritacea Ira L. Wiggins 1933-8-21 6783 Placer Lake Tahoe, near Tahoma Comment
  SD243066  Anaphalis margaritacea George K. Helmkamp, E. A. Helmkamp 2010-8-14 16792 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing (Duncan Peak 7.5'Q) 1552 Comment
  UC1125511  Anaphalis margaritacea B. Bolt 1934-7-17 132 Placer Robertson Flat; Colfax Quad. 2011 Comment
Read comments
Jun 18 2014
  CAS-BOT-BC64274  Anaphalis margaritacea D. S. Smith 1925-8-12 1696 Placer Forest: Tahoe. Last Chance Ridge 1859 Comment
  UCR146673  Andropogon glomeratus Beecher Crampton 1960-11-2 5802 Placer Sierra Nevada foothills, 1 mile east ['southeast'] of Auburn; north slope above North Fork of American River along State Highway 49 305 Comment
  SEINET2030104 Image available Androsace occidentalis Marcus E. Jones 1884-9-29 Placer Emigrant Gap Comment
  CAS-BOT-BC391821  Anemone drummondii Alice Eastwood 1909-1-1 308 Placer Lake Tahoe Region. Wards Pass Comment
  JEPS111135  Anemone drummondii Steve Matson 2005-5-21 1238 Placer North shore of Lake Tahoe; Cedar Flat; National Forest; 39.1842 N, 120.1085 W; elevation 6700 ft. 2042 Comment
  POM99994  Anemone drummondii Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak 2744 Comment
  JEPS72337  Anemone occidentalis Gladys L. Smith 1972-6-20 3251 Placer just below summit Ward Peak 2628 Comment
  UC1167721  Angelica breweri Peter H. Raven 1958-6-14 13210 Placer w side of Donner Pass Donner Pass 2164 Comment
  CAS-BOT-BC63972  Antennaria argentea W. R. Dudley 1900-6-29 s.n. Placer Near Tahoe City Comment
  SBBG63421  Antennaria argentea M. N. Ackley -Jun-1925 211 Placer Gold Run 983 Comment
  SEINET11854050  Antennaria luzuloides C. F. Sonne 1885-1 Placer Tahor City Comment
  UC197219  Antennaria media C. F. Sonne 1897-7-1 Placer east of Mt. Anderson; Sierra Nevada Mountains 2438 Comment
  JEPS126319  Antennaria rosea Steve Matson 1997-7-1 1 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  SEINET9340643  Antennaria umbrinella Unknown 1999-7-17 15131 Placer Placer Comment
  UC507811  Anthemis cotula Orcutt 283 Placer Comment
  UCD33741  Anthemis tinctoria Beecher Crampton 1972-7-26 8853 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  CAS-BOT-BC137709  Anthoxanthum odoratum Saichi Kawahara 1969-7-6 1025 Placer East of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  CDA1723  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Sierra Nevada Mtns.; near Cisco, Elev. 3000 ft. Comment
  SACT000335  Anthoxanthum odoratum Josephine Van Ess 1976-6-16 Placer Eureka Road just west of Eureka School. Wet springy area. 103.7 Comment
  UCD56275  Anthoxanthum odoratum Beecher Crampton 1955-6-15 2863 Placer 3 miles east of Weimar. Comment
  UCR133556  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Sierra Nevada Mtns., near Cisco, 'El. 3000 ft. 1829 Comment
  UCD127201  Anthriscus caucalis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10427 -B Placer Northern Sierra Nevada foothills 2.1 mi south of Auburn along Calif. Hwy 49. 293 Comment
  OBI18627  Apocynum androsaemifolium Robert F. Hoover 1967-9-5 10821 Placer Carnelian bay, Lake Tahoe Comment
  SEINET3282795 Image available Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2009-7-16 15208 Placer Sierra Nevada Mountains; Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point. 1698 Comment
  SEINET4691687  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2010-1 16785 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
  UCR231836  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2010-8-14 16785 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
  UCR257735  Apocynum androsaemifolium George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19515 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  UCD121211  Apocynum androsaemifolium Collector Unknown Date Unknown s.n. Placer W Placer County. Exact locality unknown. Comment
  UC1123482  Apocynum cannabinum N. French and R. Clar 1933-6-26 84 Placer near Rocklin Sacramento Quad. Comment
  CAS-BOT-BC334224  Aquilegia formosa George K. Helmkamp; Mary Alice Barnes; E. A. Helmkamp 2012-9-8 19797 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
  UC147572  Aquilegia formosa Harriet A. Walker 1908-6-24 1249 Placer Blue Canyon Comment
  UCD114099  Arabidopsis thaliana Barbara Ertter; David Thompson 1989-4-9 8196 Placer Halfway down road to Lake Clementine (=North Fork Lake) NE of Auburn. 304 Comment
  UCR270693  Arabis John F. Emmel 1998-7-9 1571 Placer Sierra Nevada Mountains, Donner Pass area, south peak of Mt. Judah 2513 Comment
  RSA0129263  Arabis holboellii var. pinetorum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12325 Placer Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UCR191106  Arabis holboellii var. pinetorum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12325 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  POM303028  Arabis holboellii var. retrofracta L. S. Rose 1944-7-10 44053 Placer Chambers Lodge, Lake Tahoe 1921 Comment
  CDA12380  Arabis lyallii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8508 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  UCD20193  Araucaria columnaris Jack McCaskill 1968-10-19 s.n. Placer Laguna Beach, in front of private residence, 1251 North Beach Highway. Comment
  UC1120807  Arbutus menziesii N. French, R. Clar 1933-5-19 59 Placer near Iowa Hill 822 Comment
  UC1085346  Arceuthobium americanum Job Kuijt 1957-5-18 1332 Placer 3.5 mi n Tahoe City (on Hwy 89) 1798 Comment
  UC199672  Arceuthobium americanum C. F. Sonne March 1899 Placer Mayen's Meadow near Truckee Comment
  UC336862  Arceuthobium campylopodum Lemmon 1886-1 Placer Auburn Comment
  UC1078827  Arceuthobium campylopodum Job Kuijt 1957-5-18 1333 Placer 1 mi n Tahoe City (on Hwy 89) 1798 Comment
  CAS-BOT-BC24152  Arctostaphylos Saichi Kawahara 1969-5-25 1015 Placer Top of ridge E of house. Mel Henderson Ranch, E bank of Indian Creek, Dutch Flat Quadrangle 1036 Comment
  UC674746  Arctostaphylos mewukka C. H. Merriam 1911-11-5 Placer 3 mi nw Colfax; West Slope Sierra Nevada Comment
  SEINET7258492  Arctostaphylos mewukka W. Priest 1956-3-27 s.n. Placer About 1/4 mile east of Colfax 1067 Comment
  UCD52464  Arctostaphylos mewukka John Thomas Howell; Gordon H. True 1968-6-9 44505 Placer 1066 Comment
  CAS-BOT-BC40041  Arctostaphylos nevadensis Mary P. Wells 1980-9-12 s.n. Placer Forest west of Pioneer Way, Tahoe City 1981 Comment
  CAS-BOT-BC40044  Arctostaphylos nevadensis A. A. Heller 1917-6-17 12695 Placer Near the Yuba river below Cisco. 1676 Comment
  CAS-BOT-BC40047  Arctostaphylos nevadensis Brandegee 1889-1-1 s.n. Placer Donner Comment
  OBI14610  Arctostaphylos nevadensis Robert F. Hoover 1967-9-5 10824 Placer Carnelian Bay, Lake Tahoe Comment
  UC682104  Arctostaphylos nevadensis G. L. Stebbins Jr. 1942-9-1 3335 Placer along Southern Pacific railroad track 1/2 mi s Blue Canyon Station 1390 Comment
  CAS-BOT-BC42150  Arctostaphylos patula Mary P. Wells 1980-9-12 s.n. Placer Sierra Nevada - forest west of Pioneer Way, Tahoe City 1981 Comment
  SBBG5461  Arctostaphylos patula E. R. Blakley 1960-8-30 3794 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  UCD15603  Arctostaphylos patula Lisa Montany 1985-5-18 19 Placer Mosquito Ridge Rd, 21.8 miles west of Forest Hill Rd. Comment
  UCR200874  Arctostaphylos patula George K. Helmkamp, E. A. Helmkamp 2008-9-15 14110 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 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
  UCD162745  Arctostaphylos viscida Dylan O. Burge; J. Bisbee 2014-5-25 1629 Placer Bear River watershed, roadside on California State Route 20. 1430 Comment
  SEINET5731174 Image available Arctostaphylos viscida Michael E. O'Brien 1971-1 24 Placer 20 mi. W of Immigrant Gap on I-80.; Immigrant Gap 1676 Comment
  RSA306169  Arctostaphylos viscida subsp. viscida Fay A. MacFadden 1934-3-25 12411 Placer Dutch Flat. 1067 Comment
  RSA637020  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24927 Placer Forest Hill Road, 23 km west of Forest Hill, northeast of Auburn. 450 Comment
  SBBG28880  Arctostaphylos viscida subsp. viscida C. B. Wolf 1930-10-11 993 Placer near Alta 1127 Comment
  UC1121432  Arctostaphylos viscida subsp. viscida G. T. Nordstrom 1934-6-22 153 Placer 1 mi nw mouth of Big Valley; Tahoe National Forest, Colfax Quadrangle Comment
  UC565982  Arctostaphylos viscida subsp. viscida N. French 1934-6-1 396 Placer n fork of North Fork of America River Colfax Quadrangle 1402 Comment
  RSA123204  Arctostaphylos viscida subsp. viscida N. H. French 1934-6-1 396 Placer N. Fork of N. Fork of American River. 1402 Comment
  SEINET5784772 Image available Arenaria congesta Marcus E. Jones 1882-1 3278 Placer Emigrant Gap Comment
  UC852450  Arenaria congesta var. suffrutescens A. A. Heller 1917-6-19 12741 Placer Emigrant Gap 1615 Comment
  SEINET3155287  Arenaria douglasii M. E. Jones sn Placer Emigrant Gap Comment
  UC892062  Arnica chamissonis M. E. Parsons 1910-8-1 Placer Tahoe City Comment
  UCD44624  Arnica chamissonis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1990 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC82211  Arnica chamissonis Le Roy Abrams 1911-7-27 4812 Placer Lake Valley 1950 Comment
  CAS-BOT-BC82319  Arnica cordifolia Grant 1906-7-15 6965 Placer Tahoe Tavern Comment
  JEPS20875  Arnica dealbata Leland S. Smith 1925-1-1 1664 Placer near Middle Fork of the American River; Tahoe National Forest, French Meadows 1828 Comment
  CAS-BOT-BC295823  Arnica dealbata C. F. Sonne 1895-7-14 s.n. Placer Near Pole Creek on Truckee River Comment
  CAS-BOT-BC85173  Arnica mollis John H. Thomas; Hazelle A. Thomas 1956-7-21 6213 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  SEINET6775086 Image available Arnica mollis A. Tiehm, E. McPherson 1974-1 520 Placer Juniper creek 2408 Comment
  UC193451  Arnica mollis C. F. Sonne 1886-8-9 Placer above Coldstream Comment
  UCD44017  Arnica mollis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1383 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET6775223 Image available Artemisia arbuscula W. D. Billings 1950-7-30 1915 Placer Northeast side of Squaw Peak, Sierra Nevada 2591 Comment
  CDA16795  Artemisia arbuscula subsp. thermopola G. F. Hrusa, J. Glazner 2001-7-15 15934 Placer Sierra Nevada; N side at summit of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  CAS-BOT-BC90400  Artemisia douglasiana Peter H. Raven 1956-8-4 9991 Placer Blue Canyon 1432 Comment
  CDA12389  Artemisia douglasiana G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8517 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  UC1119428  Artemisia rothrockii N. French 1934-6-22 462 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  UCD21696  Artemisia tridentata Beth Lowe Corbin 1982-8-24 412 Placer 2 1/4 miles south of The Cedars. In fine, sandy, rocky soil. Open Red Fir forest. Shrub to 2' high. Flowers yellow. Foliage aromatic. Mostly sun. NW facing slope, 40% incline. Commmon. 2164 Comment
  CAS-BOT-BC97301  Artemisia tridentata subsp. tridentata Mary Strong Clemens 1920-9-8 s.n. Placer Round Lake, Myers Sta. 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
  POM76149  Asclepias cordifolia Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCD150267  Asclepias speciosa James A. Neilson Jr. 1971-7-25 2283 Placer Tahoe Basin, King's Beach. 1901 Comment
  RSA686378  Aspidotis densa May N. Ackley 1925-06 40 Placer Emigrant Gap. 1677 Comment
  UCD124137  Aspidotis densa Ellen Dean; Marcel Rejmanek 2012-10-9 7511 Placer Along Mosquito Ridge Road, ca. one road mile E of junction with Foresthill Road. 868 Comment
  CHSC74191  Aster alpigenus var. andersonii Susi Urie 1998-9-2 98 218 B Placer Lake Tahoe Basin Management Unit - National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 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
  CDA16047  Aster eatonii G. F. Hrusa, J. Glazner 2000-9-3 15665 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of Crow's Nest ski run. 2164 Comment
  UCR171348  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2005-10-1 9983 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
  SCFS1043  Asteraceae E. Krimmel, F. Felix 2014-8-7 Placer North Fork American River, Headwaters Basin, Needle Lake 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
  UC862943  Astragalus canadensis var. brevidens A. A. Heller 1917-8-13 12904 Placer near Summit Hotel; near Summit Hotel 2133 Comment
  UCD104669  Astragalus canadensis var. brevidens A. A. Heller 1917-8-13 12904 Placer Near Summit hotel. Comment
  UC1563717  Astragalus gambelianus Barbara Ertter with David Thompson 1989-4-8 8160 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
  UCD104783  Astragalus gambelianus Al Franklin 1987-5-1 87 -08 Placer 1.3 miles east of I-80, on Foothill Road, just outside Auburn, CA. 396 Comment
  UCD105214  Astragalus purshii S. S. Smith 1916-6 414 Placer Squaw Valley. 1828 Comment
  UCD66825  Asyneuma prenanthoides Beecher Crampton 1956-7-17 3730 Placer Blue Canyon. 1432 Comment
  POM160238  Athyrium americanum C. F. Sonne 1887-07 s.n. Placer East slope of Mount Anderson 2439 Comment
  RSA693559  Athyrium filix-femina subsp. cyclosorum Elizabeth Flint 1923-1 60 Placer Blue Canyon, along stream 1372 Comment
  CDA36968  Avena barbata CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT000402  Avena fatua D. Meyer 1983-10-22 Placer Searchlight ski run from base to Olympic Lady chairlift; Downhill ski area cleared of most vegetation, trees line edge; Straw added for erosion control 2121.0 Comment
  SD43641  Balsamorhiza deltoidea Darley F. Howe 1948-5-23 1859 Placer American River 305 Comment
  UCD129454  Balsamorhiza macrolepis Beecher Crampton 1957-5-7 3983 Placer Along US Hwy. 99E, 3.2 miles N of Roseville. Comment
  UCD129529  Balsamorhiza sagittata A. A. Heller 1917-6-18 12727 Placer Yuba Pass. Comment
  JEPS53020  Barbarea orthoceras Leland S. Smith 1928-6-9 2320 Placer Squaw Valley Ranger Station Tahoe Forest, Squaw Valley (in pasture) 1889 Comment
  UCR250688  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-4-18 20349 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
  UCR250689  Barbarea orthoceras George K. Helmkamp, Mary Alice Barnes 2013-4-18 20353 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  CAS-BOT-BC75989  Berberis pumila C. Hart Merriam 1911-11-5 s.n. Placer Near Dutch Flat. Comment
  CHSC79251  Blennosperma nanum Beecher Crampton 1953-2-11 974 Placer 3/4 mile north of Lincoln. Comment
  HSC82610  Blennosperma nanum var. nanum Thomas W. Nelson, Jane P. Nelson 1979-4-11 4601 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UC30586  Blennosperma nanum var. nanum unknown 1865-4-13 4565 Placer Newcastle Comment
  CAS-BOT-BC15813  Boechera arcuata Alice Eastwood 1909-1-1 s.n. Placer Lake Tahoe Region. Sunnyside. Comment
  UC117957  Boechera covillei C. F. Sonne Jun 1894 Placer above Donner Lake; Sierran Nevada Mountains Comment
  SEINET4339628  Boechera depauperata C. D. Bailey 2009-7-23 293 -A, C Placer Sierra Nevada: Tahoe National Forest. Growing on volcanic outcrop that forms the top of Scotts Peak. Area supporting the top of the Scotts Peak chair lift at Alpine Meadows Ski area. 2526 Comment
  UCD22338  Boechera pendulocarpa Rex Palmer 1979-6-21 N 426 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22348  Boechera retrofracta Rex Palmer 1979-6-19 N 247 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC25781  Boechera stricta Alice Eastwood 1909-1-1 125 Placer Lake Tahoe Region. Sunnyside. 1981 Comment
  SEINET10389276  Bolboschoenus fluviatilis R. D. Olson 1949-5-14 16 Placer U.S. Highway 40, Roseville City Limit (W). 61 Comment
  UCD66905  Botrychium simplex John Hunter 2008-6-25 s.n. Placer north of Kings Beach (north shore of Lake Tahoe) along unnamed tributary of Griff Creek. 2300 Comment
  CHSC11101  Boykinia major Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 Comment
  RSA466747  Boykinia major Wm. Martin 1971-9-10 20268 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UCR200862  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
  CAS-BOT-BC417620  Boykinia major Lillian Mott 1975-8-4 51 LM74 Placer French Meadows Reservoir on American River Comment
  SD234516  Boykinia occidentalis G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12191 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River. 800 Comment
  SEINET11195093  Brassica rapa J. Ridley 1959-3-29 4 Placer Open field 1 mile E of Hwy 89, 2 miles N of Roseville. 49 Comment
  UCR231884  Brickellia californica George K. Helmkamp, E. A. Helmkamp 2010-10-16 17015 Placer Northern Sierra Nevada Mountains Foothills, Old Foresthill Road (between CA-49 and new Foresthill Rd), 1.8 miles northeast of junction with CA-49 250 Comment
  SACT000455  Briza minor D. Meyer 1983-5-15 Placer Field at southeast corner 36.6 Comment
  UC816101  Briza minor C. L. Hitchcock 1940-5-14 6389 Placer ca 6 mi n Colfax; Meier Ranch 762 Comment
  CAS-BOT-BC457059  Brodiaea coronaria subsp. coronaria R. F. Hoover 1939-5-10 4095 Placer 2 miles se of Sheridan Comment
  CAS-BOT-BC484262  Brodiaea elegans var. elegans R. F. Hoover 1965-6-24 9450 Placer 2 mi. n. of Auburn on road to Grass Valley (Highway 49) Comment
  SD236125  Brodiaea minor G. K. Helmkamp, E. A. Helmkamp 2008-4-17 13284 Placer Sacramento Valley: Ranch House Road, 0.2 mile southeast of Sheridan 36 Comment
  SACT000483  Bromus arenarius Michael Baad 1977-6-8 Placer 1570.6 Comment
  SACT000381  Bromus carinatus D. Meyer 1984-6-23 Placer Nevada-Placer County line, moist shaded area. 594.0 Comment
  SACT000517  Bromus carinatus 1983-8-7 Placer near gate into ski area parking lot, moist meadow with many sedges 2072.0 Comment
  SEINET4345208  Bromus carinatus W. D. Billings 1940-5-18 1302 Placer Gold Run Comment
  CAS-BOT-BC149517  Bromus carinatus var. carinatus Saichi Kawahara 1969-7-6 1429 Placer Near old cabin, east bank of Indian Creek, Mel Henderson Ranch, near swing. 999 Comment
  UC34009  Bromus carinatus var. carinatus C. F. Sonne 1892-7-1 8 Placer Sierra Nevada Mountains, Tinker Knob Tinker Knob; Sierra Nevada Mountains, Tinker Knob 2743 Comment
  UCD22243  Bromus carinatus var. carinatus Rex Palmer 1979-7-12 N 640 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT000531  Bromus diandrus D. Meyer 1983-5-7 Placer Roadside Comment
  UCR173174  Bromus diandrus George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10129 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  UCR258229  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2013-3-28 20246 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  SACT000569  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-5-15 Placer Field at southeast corner 36.6 Comment
  UCD74181  Bromus inermis subsp. inermis Jennifer W. Burt 2005-7-17 40 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 2112 Comment
  CHSC74464  Bromus laevipes Susi Urie 1998-9-2 98 -213 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
  SACT000595  Bromus laevipes Josephine Van Ess 1977-5-20 Placer Garden Bar Rd. collected in woodland area. Shaded slope. Heads nodding. Comment
  SEINET3817934 Image available Bromus laevipes George K. Helmkamp, E. A. Helmkamp 2012-5-5 18910 Placer Northern Sierra Nevada Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi SE (123degrees) of Clementine Dam on the American River (Auburn 7.5' Q. 396 Comment
  HSC9325  Bromus madritensis subsp. rubens L. M. Malloy 1965-4-17 43 Placer 5 mi. W of Newcastle on Newcastle-Lincoln Rd. by Nakamura's pond Comment
  SACT000694  Bromus marginatus D. Meyer 1983-7-16 Placer 1853.18 Comment
  CAS-BOT-BC162163  Bromus orcuttianus Peter H. Raven 1956-8-4 9999 Placer Sierra Nevada. 1.0 mile from Blue Canyon on road to Emigrant Gap. Comment
  SACT000616  Bromus orcuttianus D. Meyer 1983-8-20 Placer to summit at first lake, steep ricky trail with moist meadow areas 2000.0 Comment
  UCR151937  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Sierra Nevada Mountains, Blue Canyon 1431 Comment
  CAS-BOT-BC162164  Bromus orcuttianus Beecher Crampton 1956-7-17 3723 Placer At the railroad crossing at Blue Canyon. 1432 Comment
  SEINET3922457  Bromus rigidus Arnold Tiehm, Hugh N. Mozingo; Margaret Williams; Emily McPherson 1975-3-25 606 Placer One mile north of Lincoln.; 0 Comment
  SACT000718  Bromus rubens Michael Baad 1977-6-8 Placer On road between Forest Hill and French Meadows roadside in serpentine-chaparral community 914.4 Comment
  UCD59522  Bromus rubens M. Vincent 1965-4-19 649 Placer 4 miles south of Marysville. Comment
  CDA16985  Bromus sterilis G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16038 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CAS-BOT-BC161572  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mount Lincoln south of Summit Valley. 2499 Comment
  SD44641  Bromus tectorum D. F. Howe 1951-5-3 Placer 1067 Comment
  SACT000771  Bromus tectorum var. tectorum D. Meyer 1984-5-27 Placer moist meadow surrounded by sage brush type vegetation 81.0 Comment
  SACT000795  Bromus vulgaris D. Meyer 1984-7-29 Placer 1661.0 Comment
  CHSC43299  Callitriche marginata Peter Ahart 1975-4-7 Placer In Indian morter, about 1/2 mile north-east of the intersection of Wise and McCortney Road, north-east of Lincoln. 39 Comment
  JEPS111350  Callitriche marginata Lowell Ahart and Brian Williams 2007-4-13 13641 Placer About 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UCD162759  Calocedrus decurrens Dylan O. Burge; J. Bisbee 2014-5-25 1638 Placer Soda Springs Road. 2009 Comment
  UCR146860  Calocedrus decurrens Beecher Crampton 1960-11-2 5798 Placer Sierra Nevada Mountains, town of Gold Run 976 Comment
  UCD139447  Calochortus albus A. S. Crafts 1926-5-1 797 Placer American River Canyon. Comment
  UCD164643  Calochortus albus Brandi Sorensen 1995-5-12 7 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  UCR253531  Calochortus albus George K. Helmkamp, Amy Barnes 2014-4-23 22795 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
  SEINET8194250  Calochortus albus J. Solaegui 1977-4-16 s.n. Placer 3 miles E of Auburn on Rte 49, along dirt road immediately N of Rte 49. 335 Comment
  UC198915  Calochortus albus C. F. Sonne 1891-5-17 Placer between Auburn and Newcastle Comment
  RSA377378  Calochortus leichtlinii W. Hutchinson 1922-06 3566 Placer Lake Tahoe. Comment
  CAS-BOT-BC490163  Calochortus leichtlinii Greg de Nevers 1995-8-20 10767 Placer Lake Tahoe 2133 Comment
  CAS-BOT-BC490164  Calochortus leichtlinii Lowell Ahart 1963-7-1 s.n. Placer Near Robinson Flat. 1828 Comment
  CAS-BOT-BC483464  Calochortus minimus M. S. Jussel 1928-7-22 s.n. Placer Velma Lakes, Lake Tahoe region Comment
  POM260065  Calochortus monophyllus C. L. Hitchcock 1940-5-7 6311 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC493405  Calochortus monophyllus Georgia Bentley 1919-4-20 s.n. Placer At Auburn near river Comment
  UC569915  Calochortus nudus N. French 1934-5-28 370 Placer 1.5 mi w Black Mountain; Colfax Quad. 1767 Comment
  CAS-BOT-BC270651  Calycadenia multiglandulosa David D. Keck 1932-7-1 1590 Placer 2 miles N of Auburn 425 Comment
  SD61090  Calycadenia multiglandulosa Darley F. Howe 1964-7-26 3872 Placer Auburn 365 Comment
  CAS-BOT-BC270646  Calycadenia multiglandulosa David D. Keck 1932-6-30 1585 Placer 0.8 mile N of Weimar P.O. 685 Comment
  CAS-BOT-BC270648  Calycadenia multiglandulosa David D. Keck 1932-6-30 1588 Placer 0.3 mile N of Weimar P.O. 685 Comment
  UC88986  Calycadenia multiglandulosa T. S. Brandegee 1889-7-6 Placer Towles Comment
  UCR216033  Calyptridium monospermum George K. Helmkamp, Amy Barnes 2009-7-12 15187 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 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
  UCD14941  Calystegia occidentalis Julie Knorr 1977-5-29 23 Placer California, Placer Co.; 2 miles from Auburn-Foresthill Road, along Old Foresthill Road; Comment
  UCD21723  Calystegia occidentalis subsp. occidentalis Robin McMaster 1973-6-3 430 Placer Off highway, near Weimer. Comment
  CHSC112054  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff, K. Van Zuuk, B. Ertter 2012-6-12 22051 Placer Tahoe National Forest,8.2miles NE of Foresthill on Sugar Pine Road 4.4 miles from Forest Hill Road. 1170 Comment
  UCR146859  Campanula prenanthoides Beecher Crampton 1956-7-17 3730 Placer Sierra Nevada Mountains, Blue Canyon 1433 Comment
  SEINET10462849  Campanula prenanthoides Brainerd 1915-7-31 BRAINERD 203 Placer Woods above Nevada City. Comment
  SEINET10463082  Campanula prenanthoides Jones 1900-7-26 Jones s.n. Placer BLUE CANYON 4800 Comment
  SEINET10939005  Campanula prenanthoides Rimo Bacigalupi 1952-7-19 Bacigalupi 3863 Placer Near site of Monona Flat, ridge between Indian Creek and North Fork of the American River, about 2.5 miles east of Iowa Hill 991 Comment
  SEINET5341002  Capsella bursa-pastoris A. Tiehm, H. Mozingo; M. Williams; E. McPherson 1975-1 619 Placer One mile north of Lincoln. Comment
  CHSC32008  Cardamine L. Ahart 1973-3-29 187 Placer Near Forest Hill. 457 Comment
  CHSC72871  Cardamine breweri var. breweri L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5760 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CAS-BOT-BC37365  Cardamine californica G. L. Stebbins 1978-5-28 7876 Placer Along Ralston Ridge. Brushy Spring. 1463 Comment
  JEPS126412  Cardamine cordifolia Steve Matson 2004-7-4 1072 Placer Tahoe north shore; Griff Creek watershed above Kings Beach, CA; just west of junction of Griff Line Road and Griff Creek. Comment
  UC170120  Cardamine cordifolia var. lyallii Miss Helen D. Geis 1912-6 65 Placer Deer Park Comment
  UC855781  Cardamine cordifolia var. lyallii Alice Eastwood 1909-1 243 Placer Deer Park Lake Tahoe Region, Deer Park Comment
  JEPS53308  Cardamine cordifolia var. lyallii C. F. Sonne July 1886 423 Placer along creek in canyon on rd. to Hot Springs (Tahoe); Tahoe Comment
  CDA19544  Cardamine hirsuta M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 225 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
  CAS-BOT-BC37842  Cardamine oligosperma Saichi Kawahara 1969-5-24 884 Placer Slope overlooking north fork of the American River. Colfax-Iowa Hill Road, between Dinner Tree and Windy Point. 585 Comment
  RSA794005  Cardamine pensylvanica George K. Helmkamp, E. A. Helmkamp 2012-2-23 18576 Placer Newcastle, along CA-193 (Newcastle Hwy), 0.1 mile southeast of its junction with Langs Hill Road, west of the junction with I-80, SW of Auburn 279 Comment
  CDA39224  Cardaria pubescens Keith Kohler 2013-8-5 PDR# 310 P06129936 Placer Vicinity of Truckee; Northstar, Village Walk. 0 Comment
  CDA13670  Carex G. F. Hrusa, J. Glazner 1997-8-3 14030 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  POM296894  Carex Lyman Benson 1942-7-2 11254 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 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
  JEPS49030  Carex Leland S. Smith 1937-8-12 2236 Placer below Squaw Peak (upper end of basin); Tahoe Forest, Squaw Peak Basin 2286 Comment
  CHSC74283  Carex angustata Susi Urie 1998-8-25 98 -099 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC18025  Carex athrostachya R. F. Hoover 1967-9-5 10839 Placer Carnelian Bay, Lake Tahoe. Comment
  JEPS63540  Carex athrostachya W. L. Jepson 1931-6-17 15926 Placer Mink Harbor Lake Tahoe, Crystal Bay, Mink Harbor 1920 Comment
  CHSC74287  Carex bolanderi Susi Urie 1998-8-28 98 -145 Placer Middle of Page Meadows: about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  JEPS2511  Carex davyi J. Burtt Davy Jun 25 1897-Jun 30 1897 3266 Placer meadows by river; Truckee River Basin; Truckee River Basin, Placer Co. Comment
  POM80902  Carex exserta Marcus E. Jones 1882-6-28 2908 Placer Emigrant Gap. Comment
  CAS-BOT-BC22174  Carex helleri Arnold Tiehm 1974-8-8 511 Placer South of Murphy's Meadow. 2529 Comment
  POM81546  Carex hoodii Marcus E. Jones 1882-6-28 3532 Placer Emigrant Gap. Comment
  NY11165  Carex integra A. A. Heller 1909-7-16 9841 Placer Summit 2133.6 Comment
  UCD44676  Carex lenticularis var. impressa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2042 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UC1133401  Carex luzulifolia L. S. Smith 1927-8-12 Placer Squaw Peak and Upper Basin 2438 Comment
  SEINET10842189  Carex luzulifolia var. strobilantha A. Arthur Heller 1903-8-17 Heller 7187 Placer Above Donner Pass. 2286 Comment
  CDA16987  Carex multicaulis G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16040 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CDA19568  Carex multicaulis M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 245 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
  SEINET10817223  Carex multicaulis Charles L. Hitchcock 1940-5-7 Hitchcock 6309 Placer 1 mile west of Baxter. Comment
  CAS-BOT-BC32275  Carex multicostata J. H. Thomas; H. A. Thomas 1956-7-21 6215 Placer Sierra Nevada. Donner Pass ca. 80 mi NE of Sacramento. 2377 Comment
  CAS-BOT-BC119849  Carex nebrascensis John H. Thomas; A. Thomas 1956-7-21 6175 Placer Sierra Nevada, vicinity of Donner Pass, ca 80 mi NE of Sacramento. 2377 Comment
  JEPS49029  Carex nebrascensis Leland S. Smith 1927-8-12 2239 Placer Upper Squaw Creek Basin 2286 Comment
  RSA35109  Carex nebrascensis L. S. Rose 1944-7-25 s.n. Placer Chambers lodge, Lake Tahoe. 1921 Comment
  SDSU11688  Carex obnupta H. K. Svenson 1951-5-2 2173 Placer 457 Comment
  SEINET4286151 Image available Carex occidentalis K. Chung, Matson, S 2009-1 1076 Placer Lake Tahoe, north side. Comment
  UC1133405  Carex pachycarpa N. French 1934-6-21 431 Placer nw end Lake Kid; Tahoe National Forest, Truckee Quadrangle Comment
  UC70620  Carex pellita J. Burtt Davy Jun 25 1897-Jun 30 1897 3269 Placer near Truckee River; Truckee River Basin 2133 Comment
  UCD43052  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 421 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43076  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 444 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CHSC74013  Carex praegracilis Susi Urie 1998-8-18 98 -077 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SEINET7572177 Image available Carex praegracilis Alice Eastwood, John Thomas Howell 1937-5-8 4363 Placer Between Newcastle and Penryn. Comment
  UCD74100  Carex raynoldsii Jennifer W. Burt; Sarah Shannon 2005-7-8 9 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from center of abandoned ski run. 1920 Comment
  CAS-BOT-BC117443  Carex senta L. S. Smith 1927-8-12 2239 Placer Upper Squaw Creek Basin. 2286 Comment
  CAS-BOT-BC117444  Carex senta Diane de Polo 1964-4-25 30 Placer 7 mi NW of Auburn. 365 Comment
  SEINET13713332  Carex specifica M. J. Williams, E. McPherson, A. Tiehm 1974-8-8 74 -PL-42 Placer [Sierra Nevada] Juniper Creek, just over Nevada County line. 2316 Comment
  JEPS73206  Carex spectabilis Gladys L. Smith 1972-8-25 3405 Placer e-facing slope betw. Shirley chairlift and Watson Memorial (Granite Chief tr.); Granite Chief tr. 2529 Comment
  RSA20148  Carex stipata Alice Eastwood, John Thomas Howell 1937-5-8 4361 Placer Between Newcastle and Penryn. Comment
  CAS-BOT-BC116996  Carex straminiformis A. A. Heller 1917-8-14 12927 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  CAS-BOT-BC116555  Carex subfusca R. F. Hoover 1967-9-7 10855 Placer Antone Meadow. Comment
  CAS-BOT-BC116560  Carex subfusca Lewis Samuel Rose 1941-7-17 41318 Placer Chambers Lodge, Lake Tahoe. 1898 Comment
  CHSC74137  Carex subfusca Susi Urie 1998-8-11 98 -013 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
  SEINET4286147 Image available Carex subfusca K. Chung, Matson, S 2009-1 1071 Placer Lake Tahoe, north side. Comment
  SEINET4286149 Image available Carex subfusca K. Chung, Matson, S 2009-1 1073 Placer Lake Tahoe, north side. Comment
  UCD149411  Carex subfusca G. Ledyard Stebbins 1976-7-6 7691 Placer Mountain Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD42867  Carex subfusca C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 234 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC115400  Carex utriculata Catherine Best 1981-8-1 s.n. Placer Big Meadow, ca 3 mi S of French Meadows 1600 Comment
  CHSC74315  Carex utriculata Susi Urie 1998-9-3 98 -225 Placer Lake Tahoe Basin Management Unit. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  UC1133437  Carex utriculata L. S. Smith 1927-8-11 2201 Placer Squaw Valley Tahoe N. F., Truckee Quadrangle 1889 Comment
  UCD162538  Carex utriculata Steve Matson 2000-6-21 433 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, 200 meters south of Parking lot, along stream. 1780 Comment
  UCD43779  Carex utriculata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-5 1145 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N 2072 Comment
  UC1473  Carex utriculata W. H. Brewer 1863-8-27 2161 Placer near Knoxville; Truckee River Comment
  CAS-BOT-BC115055  Carex vesicaria Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-8-21 1517 Placer Marsh between Sandy Beach and Agate Bay, N end of Lake Tahoe. Comment
  UCD162539  Carex vesicaria Steve Matson 2002-8-17 707 Placer nSNH; Tahoe north shore; Burton Creek watershed, near Tahoe City and North Tahoe High School; Antone Meadows. 2023 Comment
  SEINET7580529 Image available Carex whitneyi Unknown 1969-7-11 3523 Placer Tahoe, Big Bend. Comment
  SACT002865  Castanopsis sempervirens James Grove 1977-7-15 Placer 2000.0 Comment
  SCFS1147  Castilleja E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  CDA19534  Castilleja applegatei M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 247 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  SEINET12328853  Castilleja applegatei J. H. Nishida 1985-1 771 Placer Homewood 1829 Comment
  CAS-BOT-BC249698  Castilleja applegatei subsp. pinetorum Alice Eastwood 1912-6-15 359 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC249703  Castilleja applegatei subsp. pinetorum Alice Eastwood 1909-1-1 250 Placer Lake Tahoe Region, Deer Park Comment
  JEPS73654  Castilleja applegatei subsp. pinetorum L. R. Heckard with G. L. Stebbins 1973-6-17 3442 Placer about 7 air mi se Emigrant Gap (on summit of Big Valley Bluff); Big Valley Bluff 1920 Comment
  RSA569210  Castilleja applegatei subsp. pinetorum Bonnie C. Templeton 1931-7-5 1509 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCD162608  Castilleja applegatei subsp. pinetorum Steve Matson 1998-6-24 285 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; east fork at power lines. 1920 Comment
  JEPS113282  Castilleja attenuata Lowell Ahart, Brian Williams 2007-4-13 13652 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  SEINET13773067  Castilleja exserta D. F. Erskine 1941-4-26 5 Placer 2 miles E of Roseville. 76 Comment
  JEPS22904  Castilleja miniata John H. and Hazelle A. Thomas Jul 21 1956-Jul 22 1956 6214 Placer vicinity Donner Pass (about 80 mi ne of Sacramento); Sierra Nevada, Donner Pass 2133 Comment
  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
  UC1032433  Castilleja pruinosa G. T. Nordstrom 1934-6-21 146 Placer near Mammoth Springs; Tahoe National Forest, Colfax Quad. 1706 Comment
  SEINET7072697  Castilleja rubicundula subsp. lithospermoides A. G. Vestal 1963-5-6 s.n. Placer North of Loomis and southeast of Lincoln on Sierra College Blvd. [Humphrey Road]. UTM Zone 10, 654588E, 43033126mN. Coordinate datum: NAD 27. Comment
  SFV17283  Castilleja tenuis J. H. Nishida 1994-7-3 Placer Sierra Nevada Tahoe City, rocky shore, Blue Water. Comment
  UCR228705  Ceanothus William Williams 1986-6-15 s.n. Placer Norden, hill at top of ski lift Comment
  UC2014174  Ceanothus William Williams 1986-6-15 s.n. Placer Placer County: Norden. Hill at top of ski lift. Comment
  UCD162758  Ceanothus arcuatus Dylan O. Burge; J. Bisbee 2014-5-25 1637 Placer Soda Springs Road. 2009 Comment
  CAS-BOT-BC47859  Ceanothus cordulatus Alice Eastwood 1912-6-15 493 Placer Lake Tahoe Region - Deer Park Comment
  POM303018  Ceanothus cordulatus L. S. Rose 1944-7-11 44065 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  SACT002899  Ceanothus cordulatus James Grove 1977-7-15 Placer 2000.0 Comment
  SCFS5099  Ceanothus cordulatus F. Felix, Erica Krimmel 2013-5-26 48 -B Placer North Fork/Chickering American River Reserve. 0.1 mile south of where Onion creek crosses Cedars Road. Comment
  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
  UCD22198  Ceanothus cordulatus Beth Lowe Corbin 1982-8-2 149 Placer Onion Creek Campground. S facing slope, 25% incline. Partial sun. Dominant shrub, fairly abundant. In open area between trees, in mixed conifer forest, on fine, sandy, granitic soil. Spiny shrub 1 m tall, with smooth, grey bark. 1841 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
  SEINET5339240  Ceanothus cordulatus P. A. Lehenbauer 1932-6-26 s.n. Placer Tahoe City Comment
  SACT002904  Ceanothus cuneatus Michael Baad 1977-4-13 Placer 0.2 mile north of Highway I80 on Placer Hills Road to Meadow Vista, ecotone between ponderosa pine forest and chaparral 502.92 Comment
  SEINET5339262  Ceanothus cuneatus H. Holbo 1961-3-31 s.n. Placer N. fork American River 610 Comment
  SEINET5339271  Ceanothus cuneatus D. G. Cooney 1960-4-17 34 Placer Emigrant Gap 914 Comment
  RSA754660  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2009-4-3 DOB 1077 b Placer North Fork American River Watershet, Forest Hill Divide, near turn-off for Mammoth Bar OHV area, Auburn State Recreation Area, roadside on Old Foresthill Road, 1.8 road miles (2.9 km) NE of intersection with SR 49., 6.1 km 63 degrees true ENE of Auburn. 350 Comment
  UC1071068  Ceanothus cuneatus var. cuneatus J. E. Sowder, R. W. Lundh 1933-4-22 54 Placer 1 mi ne. Colfax Hwy; Colfax quad. 731 Comment
  UCD22200  Ceanothus fresnensis Rex Palmer 1979-5-27 N 82 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22204  Ceanothus fresnensis Rex Palmer 1979-5-27 N 110 Placer Headwaters basin area of the North Fork of the American River Comment
  UC1736119  Ceanothus fresnensis Dean W. Taylor 1971-7-22 1111 Placer trail from Soda Springs to the Snow Mountain area, ca. 3 miles N of Snow Mtn, 2133 Comment
  RSA0035851  Ceanothus integerrimus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20370 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
  UC18350  Ceanothus integerrimus Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD111987  Ceanothus integerrimus K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, 4 miles east of Forest Hill (town). 900 Comment
  CAS-BOT-BC50761  Ceanothus integerrimus Eleanor C. Still 1964-5-14 s.n. Placer Near the American River Comment
  SEINET13945947 Image available Ceanothus integerrimus Susie M. Peers 1946-1 s.n. Placer Shirttail Canyon, near Forest Hill. Comment
  SEINET5339325  Ceanothus integerrimus T. Weaver 1974-9-22 s.n. Placer 10 miles west of Kyburz, Hgy 10 1219 Comment
  RSA258880  Ceanothus integerrimus var. californicus Thomas W. Nelson, Jane P. Nelson 1974-6-17 1360 Placer Beside Hwy 80 at its jct with Blue Canyon Road, 9 miles W of the Placer - Nevada County line. Comment
  UCR47951  Ceanothus integerrimus var. californicus Susan Dakuzaku 1975-5-24 57 Placer Near intersection of Auburb-Foresthill Road and Spring Garden Road 915 Comment
  CAS-BOT-BC51037  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1917-6-16 12679 Placer near Dutch Flat 914 Comment
  CAS-BOT-BC51040  Ceanothus integerrimus var. macrothyrsus G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  POM260024  Ceanothus lemmonii C. L. Hitchcock 1940-5-7 6327 Placer 1 mile west of Baxter. Comment
  UC634625  Ceanothus lemmonii H. L. Mason 1926-5-29 3285 Placer near Alta (Donner Pass) Comment
  CAS-BOT-BC63355  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63356  Ceanothus prostratus Mary E. Jump 1939-4-23 s.n. Placer Towle, near Alta. Comment
  POM153485  Ceanothus prostratus P. A. Munz 1928-6-25 11096 Placer Tahoe Camp, Lake Tahoe Comment
  UC1071287  Ceanothus prostratus N. French 1934-6-22 471 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quad. Comment
  UC634807  Ceanothus prostratus Herbert L. Mason 1926-5-29 3289 Placer Donner Pass Road 3 1/10 mi e Crystal Springs; Donner Pass Road, e of Crystal Springs Comment
  UC80013  Ceanothus prostratus Katharine Brandegee 1889-4 Placer Blue Canyon Comment
  UC80014  Ceanothus prostratus Katharine Brandegee 1889-4 76 Placer Blue Canyon Comment
  UCR191062  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 11.1 miles northeast of Foresthill 1463 Comment
  UCR47952  Ceanothus prostratus Robert E. Sholars 1975-5-4 25 Placer Along Auburn-Foresthill Road, 3 miles west of Foresthill Comment
  UC1281303  Ceanothus tomentosus H. E. McMinn 1926-5-29 1708 m Placer 10.6 mi w Crystal Springs; w of Crystal Springs Comment
  CAS-BOT-BC52882  Ceanothus tomentosus var. tomentosus H. E. McMinn 1926-5-29 1708 M Placer 10.6 mi. west of Crystal Springs Comment
  CAS-BOT-BC52883  Ceanothus tomentosus var. tomentosus H. E. McMinn 1926-5-29 1708 Placer 10.6 mi. west of Crystal Springs Comment
  UCD112836  Ceanothus velutinus T. I. Storer 1925-7-23 543 Placer Lake Tahoe. Comment
  UCD22209  Ceanothus velutinus Rex Palmer 1979-5-26 N 5 Placer Headwaters basin area of the North Fork of the American River 2011 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
  CDA32782  Centaurea diffusa Robin Breckenridge 2009-8-18 PDR# 1313573 Placer In the vicinity of Cisco Grove, in eastbound I-80 center divide, near the Cisco Grove exit. 0 Comment
  CDA17968  Centaurea maculosa K. Connolly 1999-10-8 PDR 1222845 Placer Sierra Nevada; E side Hwy. 89 at Alpine Meadows Rd. in Tahoe City. 0 Comment
  RSA755303  Centaurea maculosa George K. Helmkamp, E. A. Helmkamp 2009-8-12 15421 Placer Forest Hill road, 14.0 miles northeast of the city of Foresthill 1564 Comment
  CDA7272  Centaurea maculosa T. C. Fuller 1964-9-1 12569 Placer Sierra Nevada; Sierra Nevada. N side of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. Comment
  HSC104176  Centaurea solstitialis G. K. Helmkamp, E. A. Helmkamp 2012-10-13 20020 Placer Sacramento Valley: Granite Bay, Folsom Lake; Park Rd, 1.8 mi. N or the east end of Douglas Blvd. 146 Comment
  UCR232642  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2011-9-30 18345 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
  CDA43048  Centaurea stoebe subsp. australis Preston Neufeld 2014-8-28 PDR# 310 P06130020 Placer French Meadows Road, north-northeast of Goggins, near junction of dirt road that runs to Chipmunk Ridge along Chipmunk Creek. Comment
  UC1980588  Centaurium tenuiflorum C. Rose Broome 1978-8-2 2308 Placer 2.1 mi S of Old Auburn on Auburn-Folsom Highway. Comment
  UCD130182  Centromadia fitchii J. Kirkpatrick 1952-7-23 s.n. Placer Loomis. Comment
  SEINET6166154  Cephalanthera austiniae M. J. Williams 1984-6-24 84- 62 -2 Placer Skillman Flat Campground, near Highway 20 1341 Comment
  SEINET5336893  Cerastium fontanum A. Tiehm, Margaret Williams; H. Mozingo; E. McPherson 1975-1 612 Placer One mile north of Lincoln. Comment
  NY418580  Cerasus kelloggiana M. E. Jones 1882-6-28 2693 Placer Emigrant Gap. Comment
  UCD15169  Cercis occidentalis Phyllis Adams 1982-5-9 38 Placer Placer Co.; along Highway 49, in the American River Canyon; 182 Comment
  CDA12425  Chaenactis douglasii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8554 Ab Placer Lake Tahoe; W end of Ward Valley, 4 miles SW of Tahoe City. Comment
  OBI20160  Chaenactis douglasii David J. Keil 1978-7-23 12926 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UCD159478  Chaenactis douglasii D. S. Park 2010-8-21 231 Placer Off Hampshire Rocks Rd. Shaded understory. Not adundant. Few individuals near dried creek bed. 1806 Comment
  CAS-BOT-BC276714  Chaenactis douglasii var. douglasii F. Almeda 1993-7-24 7275 Placer About 15 miles SE of Interstate Highway #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CAS-BOT-BC276719  Chaenactis douglasii var. douglasii John Thomas Howell 1925-6-27 1191 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  UCD19685  Chaenactis douglasii var. douglasii Donald W. Kyhos 1967-9-3 67 -90 Placer On Hwy 89, 2.3 miles south of Hwy. 80 on a bank just west of Hwy. 89. Comment
  UCD41263  Chaenactis glabriuscula Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1720 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
  RSA0001017  Chaenactis rubricaulis Harriet Ann Walker 1910-6-22 2170 Placer Deer Park, in the Sierra Nevada 1970 Comment
  RSA189447  Chamaebatia foliolosa L. S. Rose 1967-6-14 67133 Placer Grass Valley, Condon Park. 732 Comment
  SBBG51095  Chamaebatia foliolosa N. R. Zabriskie, W. Zabriskie 1973-6-7 669 Placer Emigrant Gap,off Interstate 80 W of Donner Pass 1615 Comment
  SDSU9003  Chamaebatia foliolosa Sonle 1942-5-27 Placer Colfax. Comment
  UC114137  Chamaebatia foliolosa T. S. Brandegee Sept. 1888 Placer Blue Canyon Comment
  UCD16126  Chamaebatia foliolosa Gregory Brickner 1984-5-12 27 Placer California. Placer County: off Forest Hill Rd. 5 mi E of Auburn. 438 Comment
  UCR246506  Chamaebatia foliolosa Gregory Brickner 1984-5-12 027 Placer off Forest Hill Road 5 mi east of Auburn 439 Comment
  RSA90079  Chamaebatia foliolosa Marcus E. Jones 1882-6-28 3297 Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  SEINET6336151  Chamaebatia foliolosa W. D. Billings 1940-5-18 1318 Placer Area around Placer mines Gold Run Comment
  UC570790  Chamaesyce maculata H. L. Mason 1929-10-4 5451 Placer 1.5 mi above Auburn Comment
  CHSC82572  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2002-7-22 9886 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
  JEPS103311  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2002-7-22 9886 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
  JEPS127414  Chamerion angustifolium subsp. circumvagum Steve Matson 1998-8-21 385 Placer Tahoe North shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek near dirt roads and power lines. Comment
  UCD83587  Chamerion angustifolium subsp. circumvagum Albert Grigarick 2009-8-7 156 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1938 Comment
  CAS-BOT-BC68282  Cheilanthes cooperae J. C. Hawver; Mary Elizabeth Parsons 1912-7-7 s.n. Placer Lime Rock, Clipper Gap Comment
  CAS-BOT-BC69457  Cheilanthes cooperae M. E. Parsons 1912-8-1 s.n. Placer Near Summit. Comment
  CHSC32988  Cheilanthes gracillima Paula J. Minton 1980-4-5 1 Placer 1/2 mi n of North Fork Dam of the North Fork of the American River, Auburn. 472 Comment
  UC1136397  Chenopodium atrovirens B. Bolt 1934-7-19 147 Placer Tadpole Spring Tahoe National Forest, Colfax Quadrangle (Plot No. 233) Comment
  CAS-BOT-BC451416  Chimaphila menziesii Ethel Hand; Harry Hand 1917-7-1 s.n. Placer Cisco 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
  UCD130415  Chondrilla juncea John Thomas Howell 1966-7-29 42033 Placer 1 mile northeast of Loomis. Sierra Nevada, CA. 121 Comment
  UCD159460  Chondrilla juncea D. S. Park 2010-8-11 214 Placer East of Lincoln. All along Hwy 193. Abundant. 86 Comment
  UCD19109  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-BC279801  Chondrilla juncea T. C. Fuller 1965-10-11 14195 Placer Above Horseshoe Bar, Folsom Lake, e. end of Horseshoe Bar Rd., ca. 5 mi. e. of Loomis. Sierra Nevada 121 Comment
  CDA37258  Chondrilla juncea CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  CDA7390  Chondrilla juncea T. C. Fuller 1965-10-11 14196 Placer Sierra Nevada; On north side of Horseshoe Bar Road, 0.6 mile west of Auburn-Folsom Road, ca. 4 miles east of Loomis. Comment
  CDA21152  Chrysolepis sempervirens G. F. Hrusa 1993-11-3 11469 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  SBBG1287  Chrysolepis sempervirens E. R. Blakley 1960-8-30 3797 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  UC1135237  Chrysolepis sempervirens R. W. Lundh 1933-4-26 239 Placer 4 mi ne Towl; Tahoe National Forest, Colfax Quad. 1280 Comment
  UCD21484  Chrysolepis sempervirens Beth Lowe Corbin 1982-8-3 200 Placer Located on hill west of Onion Creek Campground. 1853 Comment
  UCD74035  Chrysothamnus nauseosus Jennifer W. Burt 2005-7-14 106 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. 2070 Comment
  UC193532  Chrysothamnus viscidiflorus subsp. viscidiflorus C. F. Sonne 1886-9-14 Placer flat beyond Tollhouse; Road to Tahoe Comment
  UCR176265  Cichorium intybus George K. Helmkamp, E. A. Helmkamp 2006-8-11 11208 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 1.0 mile north of Forest Hill 1037 Comment
  SCFS11529157  Circaea alpina E. Krimmel 2014-7-5 Placer Cobbles in bed of Onion Creek near confluence with NFA Comment
  CHSC11105  Circaea alpina subsp. pacifica Lowell Ahart 1969-7-30 Placer Near Ahart Camp, French Meadows. 1524 Comment
  UC30772  Cirsium andersonii Miss M. E. Parsons 1896-8-1 Placer Deer Park Inn, Lake Tahoe Comment
  UCR190161  Cirsium andersonii George K. Helmkamp, E. A. Helmkamp 2007-8-1 12650 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  CDA1037  Cirsium andersonii Aurelio Posadas 1982-8-5 s.n. Placer Cold Creek, SW of Donner Lake, on Southern Pacific RR right-of-way. 0 Comment
  SEINET7451058 Image available Cirsium andersonii F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe Comment
  UCD43240  Cirsium occidentale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 609 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC32805  Cirsium scariosum Alice Eastwood 1909-1-1 183 Placer Lake Tahoe Region. Sunnyside. Comment
  CAS-BOT-BC228893  Cistanthe umbellata Barry Hammel; Teddi Hammel 1976-5-27 232 Placer Ca. 1 mile on rd. off I-80 near mile post 170 1737 Comment
  UCD41254  Clarkia arcuata Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1711 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
  SBBG120611  Clarkia biloba G. K. Helmkamp with E. A. Helmkamp 2006-6-14 10708 Placer 0.2 mi N of Forest Hill Rd on unnamed rd to Lake Clementine (general area NE of Auburn on Forest Hill Divide) 488 Comment
  RSA449278  Clarkia biloba subsp. biloba A. A. Heller 1917-6-19 12746 Placer 4 miles east of Colfax Comment
  UCD72503  Clarkia biloba subsp. biloba Ellen Dean 2006-5-22 3141 Placer Above north fork of the American River, east of Foresthill Bridge, along Upper Lake Clementine Road nearing the bottom (river end) of the road. 308 Comment
  UCR193296  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2007-5-30 12179 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  UC1004178  Clarkia purpurea subsp. quadrivulnera W. A. Weber and Lewis S. Rose 1953-5-19 8384 Placer 5 mi n Roseville (on road to Lincoln) 45 Comment
  JEPS43682  Clarkia unguiculata W. H. Shockley Jun 1886 Placer Auburn Comment
  UC423052  Clarkia unguiculata David D. Keck 1928-6-12 420 Placer Auburn 304 Comment
  SD211679  Claytonia exigua subsp. glauca Barbara Ertter, David Thompson 1989-4-8 8174 Placer Iowa Creek Road, ca. 2.0 miles from I-80 near entrance to Auburn State Recreation Area at creek crossing. 518 Comment
  UCD80678  Claytonia parviflora CNPS SN Foothill Team 2005-4-11 SNFN 0104 b Placer Placer Legacy, Spears/Didion Ranch (Spear's Ranch), above Coon Creek, approximately 2.5 miles east of entry gate off of Garden Bar Road. 156 Comment
  UCR250646  Claytonia parviflora subsp. grandiflora George K. Helmkamp, Mary Alice Barnes 2013-4-18 20378 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  SEINET5336355  Claytonia parviflora subsp. grandiflora J. Elder 1961-3-18 s.n. Placer In a foothill woodland 5 miles southeast of Auburn on hillside above the American River. 366 Comment
  UCR238577  Claytonia perfoliata subsp. perfoliata George K. Helmkamp, E. A. Helmkamp 2012-3-31 18658 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UC147596  Claytonia rubra subsp. rubra Harriet A. Walker 1908-6-23 1247 Placer Blue Canyon Comment
  UC192272  Claytonia rubra subsp. rubra C. F. Sonne Aug 1883 Placer Head of Donner Lake Comment
  LA207188  Clematis lasiantha Annetta M. Carter; 1937-4-25 1249 Placer Between Folsom and Auburn, 6.5 mi SE of Loomis 152 Comment
  CDA12427  Collinsia parviflora G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8556 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  POM259992  Collinsia parviflora C. Leo Hitchcock 1940-5-14 6395 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UCD162573  Collinsia parviflora Steve Matson 1998-5-3 193 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north of Highway 267; 200 yards north of bridge over East Martis Creek. 1780 Comment
  UCD82836  Collinsia parviflora Robin McMaster 1973-6-3 459 Placer 2 mi W Lake Spaulding. 1524 Comment
  RSA0117249  Collinsia parviflora Peter H. Raven 1958-6-14 13212 Placer West side of Donner Pass 2165 Comment
  RSA785458  Collinsia tinctoria George K. Helmkamp, E. A. Helmkamp 2010-6-26 16369 Placer junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SEINET5796622 Image available Collinsia tinctoria Marcus E. Jones 1882-1 Placer Colfax; 39.10073 -120.953276 Comment
  UCR173731  Collinsia tinctoria George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10713 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
  SEINET13406670  Collinsia torreyi L. R. Miller 1934-6-10 s.n. Placer Lake Tahoe, near Homewood. Comment
  SEINET3480263  Collinsia torreyi L. S. Rose 1941-7-18 1918 Placer Lake Tahoe, Lake Tahoe, Chambers Lodge (McKinney) 1900 Comment
  UC1518798  Collomia grandiflora Fay A. Macfadden 1934-6-28 12711 Placer Dutch Flat Comment
  UCR229543  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2011-7-26 17865 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  SEINET8729294 Image available Collomia grandiflora Lewis S. Rose 1937-1 37611 Placer Tahoe Vista. 1905 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
  UC147635  Collomia heterophylla Harriet A. Walker 1908-6-23 1246 Placer Blue Canyon Comment
  UC879759  Collomia heterophylla C. L. Hitchcock 1940-5-7 6347 Placer ca 1 mi w Baxter Comment
  UCR208552  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2009-5-11 14667 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 2.7 miles south of its junction with Forest Hill Road. c. 0.15 mi. NNW of site of Michigan Bluff 1101 Comment
  JEPS71047  Collomia heterophylla L. S. Smith 1925-6-4 1622 Placer Forest Hill Tahoe National Forest 762 Comment
  JEPS127421  Collomia linearis Steve Matson 2003-6-29 819 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 500 yards north of Highway 257 and along Martis Creek. Comment
  SEINET9287480  Collomia tinctoria Unknown 2000-7-1 15598 Placer Summit Village, Truckee Comment
  UCR257639  Conyza canadensis George K. Helmkamp, Elizabeth Helmkamp 2012-10-13 20017 Placer Sacramento Valley, Granite Bay, Folsom Lake; Park Road 1.8 miles north of the east end of Douglas Blvd. 146 Comment
  RSA479486  Cordylanthus mollis subsp. hispidus Robert Holland 1982-8-16 1210 Placer Spring Valley, headwaters of Rocklin. 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
  UCR241762  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19799 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
  JEPS60261  Cordylanthus tenuis subsp. tenuis L. R. Heckard and T. I. Chuang 1969-7-26 2332 Placer just n Lake Alta (near Alta) 1066 Comment
  UCD80050  Coreopsis stillmanii CNPS SN Foothill Team 2005-3-12 Survey Placer Auburn State Recreation Area. Comment
  POM146205  Cornus californica J. B. Feudge 1725 Placer W. of Immigrant Gap. 1524 Comment
  CAS-BOT-BC209870  Cornus nuttallii G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  UCD117158  Cornus nuttallii Eric Brenner; John Hunter 1996-5-26 019 Placer Along road to Big Trees, Mosquito Ridge Rd., Tahoe National Forest. 1750 Comment
  UCD126447  Cornus sericea Rebecca Niell 1999-7-7 99- 4 Placer near Truckee River, north of Taho City on Rt. 89, near turnoff to Alpine Meadows Ski area. 1880 Comment
  RSA750430  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2008-8-20 14020 Placer Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  CAS-BOT-BC210551  Cornus sessilis D. F. Howe 1948-5-22 45 Placer Unspecified 1219 Comment
  CDA11988  Cornus sessilis G. F. Hrusa 1995-5-2 12169 Placer Sierra Nevada; Placer Redwood Grove. Mosquito Ridge Rd. Comment
  CDA20973  Cornus sessilis G. F. Hrusa 1993-11-3 11468 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  UC9955  Corydalis caseana subsp. caseana C. F. Sonne June 1887 Placer ravine on Truckee R. Truckee R. Comment
  CAS-BOT-BC169493  Corylus Saichi Kawahara 1969-7-6 896 Placer ditch line N of house, Mel Henderson Ranch 1011 Comment
  CDA7467  Cosmos bipinnatus T. C. Fuller 1962-9-2 9625 Placer Highway 40 to Donner Summit, 2.6 miles east of Blue Canyon Road. 0 Comment
  CAS-BOT-BC291525  Crepis intermedia Alice Eastwood 1909-1-1 57 Placer Sunnyside, Lake Tahoe Region Comment
  SJSU2563  Crepis intermedia N. D. Addy 1962-7-8 Placer entrance to Desolation Valley Wild Area W of Fallen Leaf Lake 2072 Comment
  JEPS59439  Crepis occidentalis Ezra Brainerd and Viola B. Baird 1915-7-25 159 Placer Deer Park Sierra Nevada Mts. 1950 Comment
  UC895336  Crepis occidentalis Marcus E. Jones, A. M. 1882-6-30 2784 Placer Emigrant Gap Comment
  CDA15957  Crepis pleurocarpa G. F. Hrusa, J. Glazner 1999-7-17 15143 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET2470946  Cryptantha affinis K. Christie 2010-7-8 1887 Placer Lake Tahoe Basin Management Unit (USFS); along FR 16N73 ca. 1.25 mi. west of Tahoe City. 2103 Comment
  UC78514 Image available Cryptantha affinis C. F. Sonne 1886-7-4 Placer Truckee River Sierra Nevada Mountains Comment
  UC1178526  Cryptantha simulans Malcolm A. Nobs 1950-9-24 Placer e slopes Squaw Peak 1828 Comment
  OBI20818  Cryptantha torreyana Robert F. Hoover 1967-9-7 10861 Placer Antone Meadow Comment
  UCD37226  Cryptantha torreyana Beecher Crampton 1958-6-24 4969 Placer Placer County, 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  SEINET11266516  Cryptantha torreyana Kaye H. Thorne, J. Chandler 1987-6-26 5418 Placer C.A Hwy 267, 3.2 mi s of Brockway Summit.; 0 Comment
  UC1046457  Cryptantha torreyana Rimo Bacigalupi and Lawrence Heckard 1951-8-9 3489 Placer 1.5 mi n Tahoe City (in canyon of Truckee River); Lake Tahoe Region, Truckee River 1828 Comment
  UCD150762  Cryptogramma acrostichoides James A. Neilson Jr. 1971-8-31 2579 Placer Tahoe Basin, Buck Lake. 2276 Comment
  SEINET4064779  Cryptogramma acrostichoides G. B. Grant 2006-1 Placer Collected at Lake Tahoe in the Sierra Nevada Mountains. 1828 Comment
  SJSU8216  Cuscuta howelliana J. T. Stanley & J. W. Willoughby 1978-10-17 Placer E of Industrial Ave between that & State Hwy 65, S of major E-W drainage c. 2.5 mi S of Lincoln Comment
  SEINET13943845 Image available Cymopterus terebinthinus Peter H. Raven 1950-1 2436 Placer Brushy granitic hillslope, Ice lakes. to Soda Springs. Comment
  CDA12009  Cynoglossum grande G. F. Hrusa 1995-5-2 12190 Placer Sierra Nevada; Approx. 3 km. E of Foresthill on Mosquito Ridge Rd. Comment
  SEINET12567969  Cynoglossum grande D. E. Brix 1962-3-17 s.n. Placer North Fork of American River, 3.5 miles NE of Auburn. 518 Comment
  UCD36680  Cynosurus echinatus Beecher Crampton 1955-6-15 2920 Placer Placer County, 8 miles west of Forest Hill. Comment
  SACT000859  Cynosurus echinatus 1930-5-29 Placer No determiner/collector available. Comment
  UCD141044  Cyperus eragrostis G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12950 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCR190140  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2007-9-14 12950 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  SDSU11702  Cyperus niger D. F Howe 1960-9-18 2973 Placer 4 miles north of Auburn, Place Co. 518 Comment
  SEINET5327059  Cytisus scoparius A. Allen 1950-4-29 25 Placer Halfway between Loomis and Folsom on Folsom road 91 Comment
  CAS-BOT-BC190500  Dactylis glomerata Marcus E. Jones 1882-6-27 3283 Placer Emigrant Gap. Comment
  SACT000867  Dactylis glomerata Michael Baad 1977-6-2 Placer End of road. 8.5 miles southwest of junction of Deadwood and Forest Hill Divide Road. 666.0 Comment
  SACT000868  Dactylis glomerata Josephine Van Ess 1977-5-13 Placer Collected .5 mile west of intersection with Bald Hill Road. Moist roadside bank. 360.0 Comment
  SACT000872  Dactylis glomerata D. Meyer 1983-8-20 Placer Moist roadside meadow some revegetation following residential construction. 2000.0 Comment
  UCD60281  Dactylis glomerata Eric S. Nagy 1990-6-2 23 Placer Bridalveil Falls, Rt. 50. Comment
  UCD60282  Dactylis glomerata Collector unknown 1951-1 Placer Auburn Area. 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
  UCD37046  Danthonia californica var. americana Beecher Crampton 1956-7-17 3731 Placer Placer County, 1.3 miles north of Blue Canyon. 1524 Comment
  UCD60963  Danthonia californica var. americana August L. Hormay 1932-7-7 s. n. Placer Upper Truckee River. Comment
  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
  CAS-BOT-BC1415  Delphinium andersonii Mrs. M. M. Hardy 1893-1-1 s.n. Placer Placer County Comment
  JEPS59473  Delphinium depauperatum Ezra Brainerd and Viola B. Baird 1915-7-10 214 a Placer Deer Park Road; Sierra Nevada Mountains 1920 Comment
  CAS-BOT-BC8860  Delphinium glaucum Charles Frederick Sonne 1896-8-16 s.n. Placer Canyon near Truckee Comment
  UC118698  Delphinium glaucum C. F. Sonne 1896-8-16 Placer canyon near Truckee (along stream) Comment
  CAS-BOT-BC8824  Delphinium gracilentum f. versicolor L. S. Smith 1927-8-5 2154 Placer Robertson Flat on Forest Hill 2346 Comment
  JEPS23295  Delphinium hansenii W. H. Shockley Jun 1886 Placer Auburn Comment
  CHSC11352  Delphinium nuttallianum Lowell Ahart 1962-7-14 Placer Near Ahart Camp, French Meadows. 1676 Comment
  JEPS72341  Delphinium nuttallianum Gladys L. Smith 1972-6-20 3244 Placer steep slope just below Ward Peak Summit 2628 Comment
  UCD22181  Delphinium nuttallianum Rex Palmer 1979-6-20 N 281 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22182  Delphinium nuttallianum Rex Palmer 1979-6-21 N 364 Placer Headwaters basin area of the North Fork of the American River Comment
  SFV11643  Delphinium variegatum subsp. variegatum M. L. Vincent 1965-4-16 645 Placer 4 miles south of Marysville. Comment
  SD43652  Delphinium variegatum subsp. variegatum Darley F. Howe 1948-5-21 1907 Placer Placer Co. Comment
  SDSU10058  Delphinium variegatum subsp. variegatum D. F. Howe 1948-5-21 1907 Placer 457 Comment
  RSA388346  Dendromecon rigida T. Sholars 1975-5-11 30 Placer Mosquito Ridge Road, 6 miles east of intersection with Foresthill Road Comment
  UCD94651  Dendromecon rigida Beecher Crampton 1955-6-15 2900 Placer Placer County, 3 miles west of Iowa Hill. 914 Comment
  UCR250167  Dendromecon rigida George K. Helmkamp, Mary Alice Barnes 2013-5-3 20483 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
  SACT000906  Deschampsia cespitosa D. Meyer 1984-7-15 Placer 1909.0 Comment
  UCD35461  Deschampsia danthonioides Beecher Crampton 1957-5-7 3990 Placer Placer County; 2 miles north of Lincoln. Comment
  CHSC67741  Deschampsia elongata James D. Jokerst 1986-7-13 2710 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  CHSC74158  Deschampsia elongata Susi Urie 1998-8-11 98 -012 Placer Lake Tahoe Basin-National Forest. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  OBI22306  Deschampsia elongata Robert F. Hoover 1967-9-7 10851 Placer Antone Meadow Comment
  RSA126942  Deschampsia elongata H. S. Yates 1936-8-9 5986 Placer 2 miles S.W. of Martis Peak; Truckee 2287 Comment
  SACT000941  Deschampsia elongata D. Meyer 1984-5-6 Placer On Garden Bar Road. Riparian habitat. 182.0 Comment
  SACT000955  Deschampsia elongata D. Meyer 1983-10-22 Placer From the base of Searchlight chairlift to the base of Olympic Lady chairlift downhill ski lift area. 2121.0 Comment
  SACT000960  Deschampsia elongata D. Meyer 1984-6-23 Placer 17.12 km from I80 Frontage Road, dry roadside. 978.0 Comment
  CAS-BOT-BC39721  Descurainia Alice Eastwood 1912-6-15 494 Placer Lake Tahoe Region. Deer Park. Comment
  JEPS126368  Descurainia californica Steve Matson 2000-7-6 471 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north Highway 267, near East Martis Creek. Comment
  SBBG70211  Dicentra formosa M. N. Ackley -Jun-1925 362 Placer Dutch Flat 1033 Comment
  UC854936  Dicentra formosa A. A. Heller 1917-6-19 12732 Placer Emigrant Gap 1615 Comment
  UCD23418  Dicentra formosa Alan B. Chan 1977-5-28 34 Placer Purple flowers, bilabiate corolla, in part shade. Collected 20 miles NE of the Auburn Forest Hill Bridge on Auburn Forest Hill Road towards Michigan Bluff. Mixed evergreen forest. Comment
  RSA305921  Dicentra formosa subsp. formosa Fay A. MacFadden 1934-3-30 12415 Placer Dutch Flat. Comment
  UCD22166  Dicentra uniflora Rex Palmer 1979-6-21 N 359 Placer Headwaters basin area of the North Fork of the American River. Comment
  CDA19540  Dichelostemma capitatum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 238 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
  RSA333558  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-26 37 Placer Approximately 0.5 mile NE of the Douglas Blvd/Sierra Gardens Drive Intersection. 180 Comment
  SEINET8472323  Dichelostemma capitatum subsp. capitatum C. Fitz 1959-4-6 s.n. Placer Newcastle, near Hwy 40. 396 Comment
  UCD15480  Dichelostemma multiflorum Robert Burke 1984-5-26 21 Placer 16 miles E of Forest Hill Rd on F.S. 97. 1280 Comment
  CAS-BOT-BC502638  Dichelostemma multiflorum Belle R. Jackson 1927-6-1 s.n. Placer Dutch Flat Comment
  POM163321  Dichelostemma multiflorum Rimo C. Bacigalupi 1926-5-29 1507 Placer along Luisslus? Heller Highway, 3 1/2 miles east of Colfax. Comment
  UC635220  Dichelostemma volubile H. L. Mason 1926-5-28 3276 Placer 5 mi above Auburn Comment
  SBBG50887  Diplacus grandiflorus J. Bockus 1974-5-25 12 Placer near cyn by roadside, Mosquito Ridge Rd, 5.2 mi E of Foresthill Comment
  CAS-BOT-BC151745  Diplacus kelloggii Mrs. Mary E. P. Ames 1886-5-1 13 Placer Auburn Comment
  CHSC40948  Diplacus kelloggii J. D. Jokerst 1984-6-20 2061 A Placer North of the Rubicon River and east of Big Grizzly Cr. where it turns to south and meets the Rubicon. 792 Comment
  SEINET14640303  Diplacus kelloggii C. L. Hitchcock 1940-1 6406 Placer 6 mi N of Colfax 762 Comment
  SEINET192850  Diplacus torreyi Lewis S. Rose 1941-1 41305 Placer Chamber's Lodge (McKinney), Lake Tahoe 1920 Comment
  CAS-BOT-BC151675  Diplacus torreyi W. R. Dudley 1909-8-8 s.n. Placer South Yuba River Comment
  CAS-BOT-BC151314  Diplacus tricolor Gordon H. True 1971-4-9 6475 Placer Rainpool area in Valley Grassland, northern limits of Lincoln. 48 Comment
  UCD40552  Dittrichia graveolens A. M. Shapiro 2003-10-13 s.n. Placer Colfax, along railroad tracks near downtown. 670 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
  JEPS126262  Dodecatheon jeffreyi Steve Matson 2000-7-6 277 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; 600 meters north of Highway 267, east of Martis Creek along east fork of Martis Creek. Comment
  JEPS14478  Downingia cuspidata R. E. Arp 1932-4-18 7 Placer Roseville Comment
  JEPS126344  Downingia montana Steve Matson 1997-7-5 35 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Wildlife Area; 50 yards north of Highway 267 and 200 yards west of Martis Creek. Comment
  RSA516594  Downingia ornatissima var. eximia R. C. Bacigalupi, G. Thomas Robbins, Francia Chisaki 1956-4-20 5629 Placer Along Antelope-Roseville road, at Sacramento-Placer Co. line. 43 Comment
  JEPS18157  Downingia ornatissima var. ornatissima Rimo Bacigalupi with G. T. Robbins and F. Chisaki 1956-4-20 5629 Placer along Antelope to Roseville road (at Sacramento-Placer County line) 42 Comment
  CAS-BOT-BC41960  Draba albertina C. F. Sonne 1885-7-12 12 Placer Sierra Nevada Mountains. Above Coldstream. 2438 Comment
  UCD44469  Draba lonchocarpa var. lonchocarpa C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1835 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
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Feb 22 2009
  JEPS126416  Draba verna Steve Matson 2004-4-14 1027 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards north of Highway 267; 200 yards west of Martis Creek. Comment
  CAS-BOT-BC401541  Drosera rotundifolia C. F. Sonne 1886-8-8 107 Placer Sierra Nevada Mts. Canyon above Coldstream Comment
  JEPS59373  Drymocallis Ezra Brainerd and Viola B. Baird Jul 9 1915-Jul 20 1920 121 Placer Bear Rock Sierra Nevada Mts., Truckee River (camp on Truckee River) 1889 Comment
  UCR218132  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2010-6-26 16385 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  SD125411  Dudleya cymosa Russel Hopper 1975-5-24 54 Placer 1.0 mile east of junction of State Highways 49 and 195 on Highway 49. 669 Comment
  SD95158  Dudleya cymosa Jeannette V. Taylor 1974-5-23 48 Placer 8.7 miles west of Placer County Big Tree Grove. 609 Comment
  SEINET5733104 Image available Dudleya cymosa John J. Geibel 1965-1 34 Placer Middle Fork of American River, ca. 13 miles east of Forest Hill.; Foresthill 488 Comment
  CAS-BOT-BC113798  Dulichium arundinaceum L. S. Smith 1925-9-24 1738 Placer Jew Boy Range north of Cisco 1676 Comment
  UCD124141  Dysphania chilensis Ellen Dean; Davis Botanical Society members 2012-10-13 7515 Placer Along Mosquito Ridge Road, ca. fourteen road miles E of junction with Foresthill Road. Comment
  UCD98826  Dysphania pumilio Clarence R. Quick 1962-11-2 62- 92 Placer Badger Hill plantation north of Camino Eldorado National Forest. 1021 Comment
  SACT001021  Echinochloa colona Josephine Van Ess 1976-9-15 Placer Collected along the road to dam. Dried bank of the lake. 76.2 Comment
  UCD32977  Echinochloa crus-galli Beecher Crampton 1965-9-13 7497 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  SEINET242427 Image available Echinochloa oryzoides Joel Kitzmiller 1976-6-24 Placer Pleasant Grove. Growing in rice crop Comment
  CDA1629  Egeria densa R. L. Reeves 1977-1-13 Placer Pond at 990 Stonewood Road, Newcastle. 0 Comment
  CHSC74017  Eleocharis bella Susi Urie 1998-9-1 98 -180 Placer Lake Tahoe Basin Management Unit. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  RSA0009475  Eleocharis bella Marcus E. Jones 1882-6-29 2905 Placer Emigrant Gap. Comment
  UCD44629  Eleocharis macrostachya C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1995 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS14035  Eleocharis pachycarpa Rimo Bacigalupi, Alex Hawkes et al. 1952-7-19 3850 Placer 1/2 mi above bridge on the Colfax - Iowa Hill road, directly below Cape Horn station of S.P.RR North Fork American River 381 Comment
  CAS-BOT-BC113159  Eleocharis palustris John Thomas Howell 1943-7-19 18565 Placer Summit Valley Comment
  CAS-BOT-BC197352  Elymus W. R. Dudley 1900-6-28 s.n. Placer Near Tallac Comment
  CAS-BOT-BC227593  Elymus elymoides Saichi Kawahara 1969-7-19 1524 Placer South side of Highway 80, 1 mile west of Blue Canyon turnoff 1524 Comment
  SACT001070  Elymus elymoides James Grove 1977-7-15 Placer Slopes of Granite Chief, Emigrant Gap, and Lyon Peak. 609.0 Comment
  SEINET12737908  Elymus elymoides S. B. Doten 1901-6-15 46 Placer Near Last Chance. Comment
  UCD61513  Elymus elymoides L. M. Sparks 1912-8-1 17 Placer Lake Tahoe. 1920 Comment
  UCD75743  Elymus elymoides Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5207 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, large turnabout/parking area with off-road vehicle use. 2207 Comment
  UC1132959  Elymus elymoides subsp. elymoides B. Bolt 1934-7-12 107 Placer Snow Mt. Tahoe National Forest, Truckee Quadrangle Comment
  RSA129234  Elymus glaucus G. T. Nordstrom 1934-6-21 141 Placer 3/4 mile W. of Mammoth Springs; Colfax 1677 Comment
  SACT001082  Elymus glaucus D. Meyer 1984-8-17 Placer East of Colfax near Rollins Reservoir. 667.0 Comment
  SACT001135  Elymus glaucus Michael Baad 1977-6-21 Placer On Colfax to Forest Hill Road, east-facing cliff, streamside habitat. 670.0 Comment
  SBBG56926  Elymus glaucus M. N. Ackley -Jun-1925 33 Placer Penryn 191 Comment
  UC569492  Elymus glaucus B. Bolt 1934-7-3 73 Placer Sawtooth Ridge Colfax Quadrangle (top) 1219 Comment
  UCD61795  Elymus glaucus Beecher Crampton 1956-7-17 3724 Placer Railroad embankment, Blue Canyon. 1432 Comment
  UCD61895  Elymus glaucus R. Tofsrud 1951-7-1 Placer Hwy. 40, above Baxter 3/4 mile below drinking station. Comment
  UCD62277  Elymus glaucus B. Bolt. 1934-7-3 74 Placer Top of Sawtooth Ridge, Colfax. 1219 Comment
  UCD74200  Elymus glaucus subsp. glaucus Jennifer W. Burt; Sarah Shannon 2005-7-8 49 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from center of abandoned ski run. 1920 Comment
  SACT001143  Elymus glaucus subsp. jepsonii D. Meyer 1984-8-4 Placer 9.6 km north of Hell Hole overlooking French Meadows. 1879.0 Comment
  UCD44477  Elymus glaucus subsp. jepsonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1843 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR240907  Elymus glaucus var. glaucus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19229 A Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  UCD37110  Elymus multisetus Beecher Crampton 1957-5-7 3979 Placer 3.2 miles N of Roseville, along railroad and U.S. Highway 99E. Comment
  UCD62603  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1955-6-15 2895 Placer Shirttail Canyon, 6.5 miles west of Iowa Hill. Comment
  UCD62612  Elymus stebbinsii subsp. septentrionalis B. Bolt 1934-7-3 71 Placer Top of Sawtooth Ridge. 1219 Comment
  CDA25017  Elymus trachycaulus J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  CHSC68068  Elymus trachycaulus subsp. subsecundus James D. Jokerst 1986-7-12 2687 Placer Trial from The Cedars, high Sierra Nevada SW of Donner Lake, on N side of river. Comment
  CHSC74160  Elymus trachycaulus subsp. trachycaulus Susi Urie 1998-8-25 98 -100 Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC410299  Enemion occidentale Mary E. Jump 1939-3-30 s.n. Placer Alta Comment
  CAS-BOT-BC171972  Epilobium canum subsp. latifolium G. W. Dunn 1895-9-1 s.n. Placer Summit Comment
  SBBG5062  Epilobium ciliatum E. R. Blakley 1960-9-3 3819 Placer Kings Beach, Lake Tahoe 1903 Comment
Read comments
Jun 21 2012
  UCD124133  Epilobium ciliatum Ellen Dean; Marcel Rejmanek 2012-10-9 7507 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
  UCD75766  Epilobium ciliatum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5237 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  CHSC73965  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-8-25 98 -090 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  JEPS59477  Epilobium ciliatum subsp. ciliatum Ezra Brainerd and Viola B. Baird 1915-7-23 219 Placer Tahoe City Sierra Nevada Mts. Comment
  UCD43874  Epilobium ciliatum subsp. ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1240 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC81802  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2001-10-10 9355 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. Along river. 1591 Comment
  CDA13683  Epilobium densiflorum G. F. Hrusa, J. Glazner 1997-8-3 14043 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CDA15973  Epilobium densiflorum G. F. Hrusa, J. Glazner 1999-7-17 15127 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC74240  Epilobium hallianum Susi Urie 1998-9-4 98 -245 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CDA40869  Epilobium torreyi D. Joley 1995-6-12 Placer Dry Creek Road, I-80 east of Auburn near Applegate. 0 Comment
  UCSC003236  Equisetum hyemale subsp. affine Randall Morgan 2005-5-30 s.n. Placer On sand dune, shore of Lake Tahoe, Tahoe Vista. Lake Tahoe, Tahoe Vista Comment
  CHSC74178  Equisetum laevigatum Susi Urie 1998-9-2 98 -214 Placer Below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi noth of Lake Tahoe. 1908 Comment
  CHSC97723  Eragrostis Lowell Ahart 2007-11-13 14599 Placer East side of a shallow ditch, on the west side of Camp Far West Road, at the north edge of the town of Sheridan. 35 Comment
  UCR258193  Eragrostis pectinacea var. pectinacea George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20043 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  RSA102080  Eremocarpus setiger John H. Redfield 1872-8-7 334 Placer Alta, Sierra Nevada. Comment
  JEPS109407  Eremogone aculeata 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-BC174192  Eremogone congesta var. congesta Dr. Kellogg s.n. Placer Cisco Comment
  CAS-BOT-BC481928  Eremogone congesta var. congesta Clare B. Hardham 1978-8-11 21767 Placer SE of Thompson Peak Comment
  CAS-BOT-BC174287  Eremogone congesta var. suffrutescens Marcus E. Jones 1882-6-28 3278 Placer Emigrant Gap Comment
  CAS-BOT-BC174292  Eremogone congesta var. suffrutescens G. L. Stebbins 1977-7-1 7734 Placer Above Middle Fork, American River, near Last Chance 1371 Comment
  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
  SEINET5336754  Eremogone kingii var. glabrescens K. Thorne, Jody Chandler 1987-6-26 5448 Placer Blue star memorial Hwy rest stop, Sierra Nevada Mountains. Comment
  UCD21886  Erigeron Rex Palmer 1979-6-9 N 164 Placer Headwaters basin area of the North Fork of the American River 2255 Comment
  CAS-BOT-BC293592  Erigeron barbellulatus John Thomas Howell 1943-7-21 18666 Placer Mt. Lincoln Comment
  JEPS41614  Erigeron barbellulatus C. F. Sonne 1888-7-29 365 Placer Wards Peak Sierra Nevada Mountains, Wards Peak (on Truckee River) Comment
  JEPS126380  Erigeron bloomeri var. bloomeri Steve Matson 2000-6-17 431 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267 near parking area and picnic site, 400 yards W of parking lot. Comment
  CAS-BOT-BC296765  Erigeron coulteri A. A. Heller 1927-8-16 14454 Placer Donner Pass 2133 Comment
  UC71912  Erigeron coulteri C. J. Fox Jr. 1895-1-1 Placer Deer Park Inn Comment
  POM195800  Erigeron coulteri A. A. Heller 1927-8-16 14454 Placer Along streams at Donner Pass (summit) 2134 Comment
  UC148948  Erigeron coulteri H. M. Hall 1910-6-25 8723 Placer opposite Cisco (Rattlesnake Creek); Rattlesnake Creek 1828 Comment
  POM118205  Erigeron foliosus var. hartwegii H. M. Hall 1916-6-4 10154 Placer Bear River at Gautier Bridge, on the westerly slope of the Sierra Nevada along the border between Upper Sonoran and Transition Zones 400 Comment
  UC198969  Erigeron foliosus var. hartwegii H. M. Hall 1916-6-4 10154 Placer at Gautier Bridge (Bear River, on the w slope of the Sierra Nevada, n Placer County); Sierra Nevada, Bear River 400 Comment
  UCR218453  Erigeron foliosus var. hartwegii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16426 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
  CAS-BOT-BC300815  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12916 Placer Ridge northwest of Donner Pass 2377 Comment
  UC201304  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12916 Placer ridge nw Donner Pass 2377 Comment
  UC485152  Erigeron glacialis var. glacialis Katharine Brandegee 1909-7-1 Placer Emigrant Gap Comment
  UC896082  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12878 Placer Summit Valley 2118 Comment
  JEPS15643  Erigeron inornatus var. inornatus Rimo Bacigalupi with Aldo Bacigalupi 1952-8-15 3921 Placer along U.S. Highway No. 40, 3 mi e Emigrant Gap 1676 Comment
  UCD132002  Erigeron inornatus var. inornatus G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12645 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  CAS-BOT-BC295528  Erigeron miser G. L. Stebbins 1968-8-15 6857 Placer Devil's Peak, southwest of Soda Springs 2286 Comment
  UCD125099  Erigeron miser Ellen Dean; M. Starbuck, DHS Jazz Choir 2012-8-25 7498 Placer Long Lake, west of the town of Soda Springs. Northeastern side of lake. 2016 Comment
  UCD75898  Erigeron miser G. Ledyard Stebbins 1968-8-15 6857 Placer Devil's Peak, southwest of Soda Springs. (Exact location unknown. Coordinates estimated by label maker.) 2286 Comment
Read comments
May 14 2014
  UC1124311  Eriodictyon californicum C. R. Clar 1933-6-6 131 Placer near Rattlesnake Bridge; Sacramento Quad., near Rattlesnake Bridge Comment
  UCR253227  Eriodictyon californicum George K. Helmkamp, Amy Barnes 2014-4-23 22815 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
  SEINET5495502  Eriodictyon californicum M. J. Williams 1984-6-24 84- 65 -2 Placer 0.3 miles in from HWY 20 on Bowman Lake Rd. 1524 Comment
  SCFS1237  Eriogonum E. Krimmel 2013-5-19 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook at Land of the Lost. Comment
  UC480709  Eriogonum incanum W. C. Blasdale 1923-7-13 Placer top of Ellis Peak Lake Tahoe Region, Ellis Peak Comment
  UCD21934  Eriogonum incanum Rex Palmer 1979-6-9 N 141 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UCD21612  Eriogonum lobbii E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1280 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. Open W-facing granite slope at tree-line, ascending ridge. 2300 Comment
  SEINET5330422  Eriogonum lobbii W. D. Billings 1951-8-12 2142 Placer just W. of highway maint. Sta., Donner Summit, Sierra Nevada, 2195 Comment
  UC569865  Eriogonum lobbii var. lobbii N. French 1934-6-22 438 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2286 Comment
  CDA22618  Eriogonum marifolium Jim Jokerst 1986-7-13 2717 A Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, stop along trail south of Middle Fork American River. Comment
  UCD83594  Eriogonum nudum Albert Grigarick 2009-8-7 163 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2061 Comment
  CAS-BOT-BC264805  Eriogonum nudum var. deductum unspecified No date on label. 12884 Placer Summit Station 2121 Comment
  JEPS126332  Eriogonum nudum var. deductum Steve Matson 1997-7-9 73 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek near dirt roads and powerlines. Comment
  UCR189628  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2007-7-27 12636 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 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
  CAS-BOT-BC261450  Eriogonum nudum var. nudum Mary P. Wells 1980-9-11 s.n. Placer West of Pioneer Way in forest, Tahoe City 1981 Comment
  UCR240947  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19899 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  SD237562  Eriogonum nudum var. oblongifolium G. K. Helmkamp, Amy Barnes 2009-7-12 15182 Placer Sierra Nevada Mountains Foothills: along Foresthill Road 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q) 1370 Comment
  UCR207114  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2009-7-16 15218 Placer Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  UCR218124  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2010-6-26 16393 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  UCSB70078  Eriogonum nudum var. oblongifolium Helmkamp, G.; Helmkamp, E. 2007-9-14 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 6 miles east of Foresthill (Foresthill 7.5' Q) 610 Comment
  UCD80662  Eriogonum prattenianum CNPS SN Foothill Team 2006-6-27 SNNR 0728 b Placer Placer Land Trust, Shutamul Parcel, along the Bear River. 305 Comment
  CAS-BOT-BC258136  Eriogonum prattenianum var. prattenianum D. L. Smith; G. L. Stebbins 1976-7-3 C 7678 Placer Northwest side of Ralston Ridge, above Middle Fork American River, just east of Big Crater 1249 Comment
  CAS-BOT-BC253062  Eriogonum roseum L. R. Abrams 1917-9-14 6753 Placer Between Roseville and Penryn Comment
  CAS-BOT-BC269936  Eriogonum spergulinum var. reddingianum Betty J. Jorgensen 1944-7-2 514 Placer Along summit near Donner Pass Comment
  CAS-BOT-BC269944  Eriogonum spergulinum var. reddingianum Lowell Ahart 1972-7-7 s.n. Placer French Meadows 1524 Comment
  JEPS111222  Eriogonum spergulinum var. reddingianum Steve Matson 2005-6-19 1307 Placer Martis Valley, southeast of Truckee, National Recreation Area, SW of Highway 267 and north of Martis Creek. 39.3011 N, 120.1330 W; Elevation 5835 ft. 1778 Comment
  UCR136715  Eriogonum spergulinum var. reddingianum L. S. Rose 1941-7-8 41290 Placer Sierra Nevada Mtns., Chambers Lodge (McKinney), Lake Tahoe 1921 Comment
  CAS-BOT-BC269938  Eriogonum spergulinum var. reddingianum James L. Reveal 1971-6-23 2478 Placer Along Californis [California] Highway 89, about 2 miles south of Truckee at Granite Flat Camp Ground Comment
  UC1395167  Eriogonum spergulinum var. reddingianum James L. Reveal 1971-6-23 2478 Placer about 2 mi s Truckee (along California Highway 89, at Granite Flat Camground); Granite Flat Camground Comment
  UCD14667  Eriogonum tripodum A. M. Shapiro 1997-6-5 s.n. Placer California, Placer Co.; Colfax, saddle above Burnt Flat, ca. 3/4 mile along Iowa Hill Road; 670 Comment
  UCD101337  Eriogonum umbellatum Frederica Bowcutt 1994-7-22 1953 Placer Sierra Nevada Mtns, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp. Proposed restaurant site. 2438 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
  UCD22127  Eriogonum umbellatum var. covillei Rex Palmer 1979-6-21 N 404 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA16813  Eriogonum umbellatum var. nevadense G. F. Hrusa, J. Glazner 2001-7-15 15952 Placer Sierra Nevada; Face of Crows Nest Pk. immed. W of Sugarbowl. 2377 Comment
  CHSC108595  Eriogonum umbellatum var. nevadense L. P. Janeway; B. Castro 2011-8-27 10683 Placer Northern High Sierra Nevada. Along Blackwood Canyon Road 0.4 road km west of Barker Pass. Steep south-facing slope. 2327 Comment
  JEPS126336  Eriogonum umbellatum var. nevadense Steve Matson 1998-7-12 339 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters south of Martis Dam Road, north of airport creek. Comment
  UC565933  Eriogonum umbellatum var. nevadense H. S. Yates 1934-6-29 3890 Placer near Bijou; Markleevillee Quadrangle 1920 Comment
  UC6504  Eriogonum umbellatum var. nevadense C. J. Fox Jr. July 1895 Placer near Deer Park Inn Comment
  UC569819  Eriogonum ursinum B. Bolt 1934-7-16 121 Placer 1 1/4 mi se mouth of Serena Creek; Truckee Quadrangle 2042 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
  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
  UCD21940  Eriogonum wrightii var. subscaposum Beth Lowe Corbin 1982-8-24 411 Placer 2 miles south of The Cedars. In fine, sandy, rocky soil. Open talus slope of ridgetop in Red Fir forest. Calyx white with red midribs. Perennial forming moderate sized mats. Full sun. North facing slope, 20% incline. Ocassional. 2133 Comment
  CAS-BOT-BC300951  Eriophyllum lanatum L. S. Smith 1926-5-23 1831 Placer Tahoe National Forest. Above Bear River, Colfax Rd. 853 Comment
  CAS-BOT-BC301311  Eriophyllum lanatum var. croceum M. E. Jones 1882-6-27 s.n. Placer Emigrant Gap Comment
  UCR194700  Eriophyllum lanatum var. croceum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12205 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-BC301407  Eriophyllum lanatum var. grandiflorum H. M. Hall 1916-6-3 10147 Placer Near Rocklin, (E. side Sacramento Valley) 121 Comment
  CAS-BOT-BC301412  Eriophyllum lanatum var. grandiflorum A. A. Heller 1917-6-19 12745 Placer 4 miles east of Colfax Comment
  JEPS34505  Eriophyllum lanatum var. grandiflorum L. S. Smith 1925-6-3 1617 Placer along road below Yankee Jim; Tahoe National Forest 746 Comment
  POM66817  Eriophyllum lanatum var. grandiflorum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  RSA129768  Eriophyllum lanatum var. grandiflorum N. H. French 1934-5-31 382 Placer Mamouth Springs 1677 Comment
  UC220208  Eriophyllum lanatum var. grandiflorum Katharine Brandegee 1908-7-1 Placer Auburn Comment
  UC507054  Eriophyllum lanatum var. grandiflorum Mrs. Helen Sharsmith 1933-5-14 E 21 Placer along the highway on filled-in ground Auburn Comment
  UCD132211  Eriophyllum lanatum var. grandiflorum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10441 Placer Northern Sierra Nevada. Ca. 4 air miles NE of Auburn, along Forest Hill Road, 1.8 miles northeast of its junction with CA Hwy 49 at the middle fork of American River. 370 Comment
  UCR173263  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10426 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR229535  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17858 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  JEPS59444  Eriophyllum lanatum var. integrifolium Ezra Brainerd and Viola B. Baird 1915-7-7 169 Placer Squaw Valley Sierra Nevada Mts., Squaw Valley Comment
  UCR189301  Eriophyllum lanatum var. integrifolium George K. Helmkamp, E. A. Helmkamp 2007-7-27 12631 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  JEPS113114  Erodium brachycarpum Lowell Ahart, Brian Williams 2007-4-13 13649 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UC192993  Erodium brachycarpum C. F. Sonne 1891-4-5 Placer between Penryn and Rocklin Comment
  JEPS127486  Erodium cicutarium Steve Matson 2004-7-1 1063 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters south of Highway 267, 20 meters east of Martis Creek. Comment
  CDA36971  Erodium cicutarium CDFA Staff s.n. Placer Loomis. 0 Comment
  CHSC84565  Eryngium castrense John Dittes 2003-5-25 2003 -30 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In bed of vernal pool. 39 Comment
  SBBG128087  Eryngium castrense J. Dittes 2003-5-25 2003 -30 Placer ca. 3.3 air-mi S of Lincoln, 0.5 air-mi E of intersection of St Hwy 65 and 12-Bridges Exit 39 Comment
  UCD22369  Erysimum capitatum Rex Palmer 1979-5-27 N 53 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22375  Erysimum capitatum Rex Palmer 1979-7-12 N 617 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD114989  Erysimum capitatum var. capitatum A. S. Crafts 1926-5-1 800 Placer American River Canyon. Comment
  UCR208278  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14640 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UCR246830  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16653 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  CHSC73093  Erythranthe breweri L. P. Janeway 1998-8-6 5963 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  SEINET14196929  Erythranthe breweri H. M. Hall 1910-6-22 165 Placer Cisco. 1800 Comment
  CAS-BOT-BC150224  Erythranthe guttata Saichi Kawahara 1969-5-24 1010 Placer Mel Henderson Ranch on the east bank of Indian Creek 987 Comment
  CAS-BOT-BC150223  Erythranthe moniliformis Saichi Kawahara 1969-5-24 1001 Placer Mel Henderson Ranch, on the east bank of Indian Creek 987 Comment
  SJSU7720  Erythranthe primuloides R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  CHSC85680  Erythranthe tilingii G. F. Hrusa; J. Glazner 2001-7-15 15935 Placer Northern Sierra Nevada. On N face of Crows Nest Pk. immed. W of Sugarbowl. 2286 Comment
  CAS-BOT-BC505233  Erythronium grandiflorum L. S. Smith 1926-5-26 1867 Placer Tahoe Forest, Duncan Canyon along stream 1676 Comment
  CAS-BOT-BC505234  Erythronium grandiflorum anonymous 1870-6-8 s.n. Placer Unspecified Comment
  CAS-BOT-BC505239  Erythronium grandiflorum Emily McPherson 1976-6-12 76- 5 -3 Placer Along trail Lock Leven Lakes 2072 Comment
  SEINET10528995  Erythronium hartwegii Sonne 1891-4-5 SONNE 593 Placer Below Auburn Comment
  CAS-BOT-BC402619  Eschscholzia caespitosa Helen Smith 1899-6-1 s.n. Placer Applegate Comment
  RSA523883  Eschscholzia caespitosa subsp. caespitosa Barbara J. Ertter, David Thompson 1989-4-8 8146 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  SEINET5339915  Eschscholzia californica L. Smith 1979-3-30 s.n. Placer 1 1/2 miles NE on Sisley Rd. off of Taylor Rd. in Penryn CA. Comment
  UC112927  Eschscholzia californica Katharine Brandegee 1908-6-4 Placer R.R. embankment near Gold Run Comment
  CAS-BOT-BC419537  Eschscholzia lobbii Gordon H. True 1971-4-9 6460 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC310370  Eucephalus breweri A. A. Heller 1916-8-13 12908 Placer Summit hotel 2133 Comment
  CAS-BOT-BC310375  Eucephalus breweri J. F. Emmel 1970-7-18 319 Placer Slope, 0.6 mile s. of south end of Lake Mary, s. of Donner Pass 2286 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
  UCD44415  Eucephalus breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1781 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC312157  Eurybia integrifolia A. A. Heller 1917-8-13 12906 Placer Near Summit hotel in granite 2133 Comment
  CAS-BOT-BC312161  Eurybia integrifolia C. F. Sonne 1885-8-19 149 Placer Truckee Comment
  CHSC73007  Eurybia integrifolia L. P. Janeway 1998-8-6 5978 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UC193542  Eurybia integrifolia C. F. Sonne 1885-8-9 Placer on road to Tahoe Comment
  UC912502  Eurybia integrifolia Herbert L. Mason 1932-9-9 7178 Placer Truckee Junction 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
  SACT002495  Festuca megalura Josephine Van Ess 1977-3-26 Placer Collected north of Penryn where road is near the railroad tracks. Moist roadside. 152.4 Comment
  SACT001181  Festuca pratensis D. Meyer 1983-7-30 Placer Roadside 1842.0 Comment
  CAS-BOT-BC278935  Festuca rubra W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  CHSC72898  Festuca rubra L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5772 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CAS-BOT-BC282535  Festuca thurberi W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  JEPS127516  Fragaria virginiana Steve Matson 1998-6-14 234 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek; north edge of main boggy site. Comment
  UCSB24088  Fragaria virginiana Orr, K. 1966-4-5 Placer 2.2 miles northeast of interstate 80 on Goldrun Rd. 1219 Comment
  CAS-BOT-BC447513  Fragaria virginiana var. platypetala anonymous 1906-7-15 s.n. Placer Tahoe Tavern Comment
  SEINET11280266  Frangula L. R. Miller s.n. Placer Above Colfax 914 Comment
  SD10091  Frangula rubra Brandegee Sept 1888 Placer Alta Comment
  OBI6090  Frangula rubra subsp. obtusissima Carl B. Wolf 1930-10-11 1732 Placer W slope Sierra Nevada. Baxter's camp, 17 mi above Colfax 1158 Comment
  SEINET7417509 Image available Frangula rubra subsp. rubra A. A. Heller 1917-1 12736 Placer Emigrant Gap 1615 Comment
  UCD23225  Fritillaria atropurpurea Rex Palmer 1979-6-9 N 132 Placer Headwaters basin area of the North Fork of the American River. Mt. Lincoln. Comment
  CAS-BOT-BC504556  Fritillaria atropurpurea Sherman Chickering 1974-1-1 s.n. Placer Near Soda Spring, Plants of the Sierra Nevada Comment
  CAS-BOT-BC504558  Fritillaria atropurpurea Sherman Chickering 1974-7-8 s.n. Placer Near Soda Spring, Plants of the Sierra Nevada 2590 Comment
  CDA17001  Fritillaria micrantha G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16054 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  RSA25140  Fritillaria micrantha C. L. Hitchcock 1940-5-7 6335 Placer 1 mile west of Baxter Comment
  UC197265  Fritillaria recurva C. F. Sonne 1896-5-1 Placer near Blue Canyon Station Comment
  CDA36972  Galium aparine CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD121720  Galium aparine M. H. Mills 1996-4-12 140 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCR253574  Galium aparine George K. Helmkamp, Amy Barnes 2014-4-23 22800 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
  UC28189  Galium bifolium Kellogg 1870-6-13 Placer Camp Yuba Sierra Nevada, Cisco Comment
  JEPS59353  Galium bolanderi Ezra Brainerd and Viola B. Baird 1915-7-28 225 Placer along trail up Truckee River Sierra Nevada Mts. 1889 Comment
  UCR176261  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2006-8-11 11214 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  UCR231007  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2010-8-14 16799 Placer Northern Sierra Nevada Mountains, American Hill Road, 1.2 miles south of its junction with Foresthill Road 1567 Comment
  JEPS26652  Galium bolanderi Lauramay T. Dempster 1961-6-14 1442 Placer s-facing slope above Baxter 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
  UC28217  Galium grayanum var. grayanum Kellogg 1870-1-1 Placer near Cisco Comment
  UC710556  Galium grayanum var. grayanum John Thomas Howell 1943-7-26 18840 Placer Mt. Lincoln Comment
  CDA36878  Galium murale CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CDA37047  Galium parisiense CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCR193340  Galium porrigens var. tenue George K. Helmkamp, E. A. Helmkamp 2007-5-30 12178 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  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
  CHSC74261  Galium trifidum var. pacificum Susi Urie 1998-9-4 98 -270 Placer About 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  UCD73856  Garrya buxifolia Charles Goldman 1958-12 s. n. Placer Castle Lake. 1584 Comment
Read comments
Aug 28 2014
  UC1122680  Garrya fremontii C. R. Clar, N. French 1933-5-19 123 Placer Iowa Hill Road; Colfax Quad. 822 Comment
  SACT001235  Gastridium ventricosum D. Meyer 1984-6-23 Placer And the American River. Rocky riverbank. 352.0 Comment
  CAS-BOT-BC56287  Gaultheria ovatifolia G. L. Stebbins 1968-6-20 6725 Placer Placer County Big Trees Reserve 1584 Comment
  CDA14330  Gaultheria ovatifolia G. F. Hrusa 1993-11-3 11470 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  CDA12384  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8512 A Placer Lake Tahoe; 4 mi SW Tahoe City in upper Ward Valley. Comment
  CDA12404  Gayophytum diffusum subsp. parviflorum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8532 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  RSA462366  Gayophytum diffusum subsp. parviflorum Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  SEINET4150926  Gayophytum heterozygum P. A. Lehenbauer 1933-8-6 2456 Placer Lake Tahoe near Homewood Comment
  OBI12031  Gayophytum humile Robert F. Hoover 1967-9-5 10842 Placer Carnelian Bay, Lake Tahoe Comment
  UC146056  Gentiana calycosa Mrs. W. S. Chandler Sept., 1910 Placer Deer Park Comment
  JEPS72491  Gentiana calycosa Gladys L. Smith 1972-6-18 3153 Placer above Alpine Meadows 2133 Comment
  CDA37233  Geranium dissectum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SD241827  Geranium molle G. K. Helmkamp, E. A. Helmkamp 2012-3-31 18648 Placer Sacramento Valley: along CA-193, 0.1 mile west of its junction with Sierra College Blvd. (Gold Hill 7.5'Q) 88 Comment
  UCD103424  Geranium molle G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11706 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  UCR224245  Geranium molle George K. Helmkamp, E. A. Helmkamp 2010-4-23 15905 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  UCR238573  Geranium molle George K. Helmkamp, E. A. Helmkamp 2012-3-31 18648 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  SEINET3246026  Geranium pusillum G. K. Helmkamp, E. A. Helmkamp 2007-1 11706 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks. 287 Comment
  SDSU7348  Geranium solanderi D. F. Howe 1948-5-21 1911 Placer 457 Comment
  UCD43906  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1272 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44475  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1841 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS71884  Geum triflorum Gladys L. Smith 1972-8-25 3411 Placer below Watson Monument (trail to Granite Chief) 2590 Comment
  CHSC83145  Gilia capitata Renee Shahrok 1986-6-24 16 Placer Junction of Old Foresthill Rd. and Hwy 49. 195 Comment
  SD43633  Gilia capitata Darley F. Howe 1948-5-23 1849 Placer American River 305 Comment
  UCD19282  Gilia capitata Renee Shahrok 1986-6-24 16 Placer junction of Old Foresthill Rd. and Hwy 49. 195 Comment
  UCR193400  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2007-5-30 12199 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp 963 Comment
  SEINET3163581  Gilia filicaulis M. E. Jones 1882-7-3 sn Placer Colfax Comment
  SEINET7963106 Image available Gilia gilioides var. greeneana L. S. Rose 1941-1 41291 Placer Chambers Lodge (McKinney), Lake Tahoe 2100 Comment
  SEINET3163618  Gilia leptalea G. B. Grant 1906-7-15 7151 Placer about Lake Tahoe 2438 Comment
  UC30184  Gilia tricolor subsp. diffusa H. N. Bolander 1865-4-13 4574 Placer near Auburn; near Auburn 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-BC307373  Gnaphalium palustre John Thomas Howell 1943-7-19 18583 Placer Summit Valley Comment
  UC581141  Gnaphalium palustre H. L. Mason 1932-9-9 77175 Placer Cisco Comment
  UC710549  Gnaphalium palustre John Thomas Howell 1943-7-19 18583 Placer Summit Valley Comment
  UCD150743  Goodyera oblongifolia James A. Neilson Jr. Date Unknown 2081 Placer Tahoe Basin, Timberland. 1901 Comment
  CHSC67701  Gratiola ebracteata James D. Jokerst 1986-4-14 2620 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  SEINET11262438  Grindelia hirsutula var. davyi K. L. Chambers 1982-6-26 4979 Placer Hwy 65, 1.5 miles north of railroad overpass just north of Roseville. On Industrial Way near the railroad tracks.; 0 Comment
  JEPS71663  Hackelia micrantha Gladys L. Smith 1972-6-18 3136 Placer Alpine Meadows 2072 Comment
  UC615307  Hackelia micrantha Beryl O. Schreiber 1933-7-21 896 Placer above Homewood (near Mount Ellis Trail); Lake Tahoe Comment
  UCD42948  Hackelia micrantha C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 317 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET12618563  Hackelia nervosa I. R. Miller 1934-5-20 s.n. Placer Lake Tahoe, near Homewood. Comment
  POM72072  Hackelia velutina Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UCD22133  Hackelia velutina Rex Palmer 1979-7-25 N 807 Placer Headwaters basin area of the North Fork of the American River. Comment
  JEPS35433  Helenium puberulum W. H. Shockley 1886-6-1 Placer Auburn Comment
  UC1069450  Helianthella californica subsp. nevadensis B. Bolt 1934-7-11 95 Placer Cascade Lakes Tahoe National Forest, Truckee Quadrangle Comment
  UC88873  Helianthella californica subsp. nevadensis C. F. Sonne 1897-8-14 Placer above Coldstream Comment
  RSA718505  Hemizonia fitchii L. P. Janeway 2006-8-24 8874 Placer Sacramento Valley. Along Hwy 193 about 3.5 km N of Lincoln. 41 Comment
  JEPS71478  Hesperochiron pumilus Gladys L. Smith and Betsy Wilson June 1971 3036 Placer 5 mi. w. Lake Tahoe (Alpine Meadows, Ward Peak); Ward Peak, Alpine Meadows 2438 Comment
  JEPS71479  Hesperochiron pumilus Gladys L. Smith 1972-6-21 3277 Placer Alpine Meadows 2072 Comment
  SD81183  Hesperolinon micranthum D. F. Howe 1971-6-29 Placer 1.4 miles east of Horest Hill. 1096 Comment
  JEPS126376  Heterocodon rariflorum Steve Matson 2003-7-6 834 Placer nSNH: Truckee River watershed SW of Truckee; Squaw Valley; Shirley Canyon; along Granite Chief trail to PCT. Comment
  UCR240894  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2012-6-19 19207 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.7 miles south of its junction with Foresthill Road 820 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
  SCFS11529133  Heuchera rubescens E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. Growing on wet rocks next to stream. Comment
  SEINET6032032  Heuchera rubescens P. B. Kennedy, S. B. Doten 1901-8-10 270 Placer Devils Cliff, Soda Springs. Comment
  RSA0063051  Heuchera rubescens var. alpicola Lyman Benson 1933-6-26 4538 Placer Cisco, U.S. 40. Sierra Nevada range, Bear River watershed. 1829 Comment
  CDA16045  Hieracium albiflorum G. F. Hrusa, J. Glazner 2000-9-3 15667 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  JEPS126390  Hieracium albiflorum Steve Matson 1998-7-28 363 Placer Tahoe north shore Watershed, Tahoe Vista/Kings Beach; West Fork Snow Creek above golf course along trails. Comment
  UC92008  Hieracium argutum Brandegee 1888-9-1 Placer Blue Canon Comment
  UCD133111  Hieracium argutum G. L. Stebbins Jr.; J. Hunziker, H. Stutz, D. Zohary 1952-7-20 5134 Placer steep, north-facing slope. Along road from Colfax to Forest Hill, 1/2 mile south of crossing of American River. 304 Comment
  CDA42827  Hirschfeldia incana G. F. Hrusa, M. Pitcairn 2015-7-16 18650 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 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
  UC1137049  Holcus lanatus August L. Hormay 1932-5-24 Placer w Auburn 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
  UCD36124  Holcus lanatus Beecher Crampton 1952-11-9 929 Placer Placer County, 6 miles east of Auburn, 1 mile south of Meadow Vista. 457 Comment
  UC895385  Holocarpha virgata subsp. virgata A. A. Heller 1915-9-12 12276 Placer fields near Roseville Comment
  UCD22266  Holodiscus discolor var. microphyllus Beth Lowe Corbin 1982-8-10 298 Placer 1 1/4 miles WNW of Onion Creek Campground. SE facing slope, 30% incline. Full sun. Uncommon. In granitic slope of montane chaparral. Shrub 2 ft tall. Old bark greyish, flaking. Flowers creme white. 1981 Comment
  CAS-BOT-BC150148  Holodiscus microphyllus var. microphyllus John Thomas Howell 1943-7-21 18637 Placer Donner Pass to Mt. Lincoln Comment
  SACT001301  Hordeum brachyantherum D. Meyer 1983-9-10 Placer West end near parking lot moist streambank and meadow. 1879.0 Comment
  UCD43005  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 374 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43051  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 420 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44015  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1381 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44417  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1783 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC1132110  Hordeum brachyantherum subsp. brachyantherum B. Bolt 1934-7-16 166 Placer 1/2 mi s Lost Emigrant Mine; Truckee Quad., Tahoe National Forest Comment
  SACT001323  Hordeum californicum D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City Shooping center near lake shore. 1891.0 Comment
  SACT001334  Hordeum geniculatum D. Meyer 1984-4-15 Placer Collected on roadside in possible vernal pool 122.0 Comment
  SACT001365  Hordeum leporinum Josephine Van Ess 1976-4-14 Placer Collected on railroad embankment neer Clark Tunnel Road. North of Penryn and at roadside. Dry roadside. 152.4 Comment
  SACT001374  Hordeum leporinum D. Meyer 1984-6-23 Placer and Forest road. .16 km from I80-Frontage Road. 352.0 Comment
  CDA19572  Hordeum marinum subsp. gussoneanum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 232 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
  CDA36911  Hordeum marinum subsp. gussoneanum CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  UC1132516  Hordeum marinum subsp. gussoneanum N. French 1933-5-5 43 Placer sw Rattlesnake Bridge; Sacramento Quad. Comment
  UC1132541  Hordeum murinum subsp. leporinum G. T. Nordstrom 1934-6-21 137 Placer Mammoth Springs Colfax Quad., , Tahoe National Forest Comment
  SEINET4670481  Hordeum murinum subsp. leporinum W. D. Billings 1940-3-31 1277 Placer Canyon of Yuba River, 5 miles southeast of Auburn Comment
  SEINET3156787  Horkelia fusca W. H. Evans 1891-8-1 sn Placer Lake Tahoe Comment
  JEPS30812  Horkelia fusca subsp. parviflora Miles Eaton 1945-6-13 29 Placer Big Meadows Comment
  JEPS44569  Horkelia fusca subsp. parviflora C. F. Sonne 1887-6-1 81 Placer sierra nevada mountains Comment
  SEINET6758836  Horkelia fusca subsp. parviflora M. J. Williams 1985-7-6 85- 61 -8 Placer Near old Donner Summit, south of Lake Mary 2286 Comment
  UC329974  Horkelia fusca subsp. parviflora Lemmon May 1889 Placer Tahoe Lake Valley Comment
  CDA15759  Horkelia tridentata G. F. Hrusa, L. Serafini 1993-6-29 11252 Placer S side of French Meadows Reservoir, immed. below dam. Comment
  UCR208588  Horkelia tridentata subsp. flavescens George K. Helmkamp, E. A. Helmkamp 2009-5-11 14651 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  CAS-BOT-BC537981  Horkelia tridentata var. tridentata James L. Walters 1940-5-11 s. n. Placer Near Yuba Pass overhead; east of Emigrant Gap. Comment
  JEPS127539  Hosackia crassifolia var. crassifolia Steve Matson 1998-8-15 352 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork northeast of bog. Comment
  UCD106040  Hosackia incana Richard Hanes 2001-4-30 300 Placer Garret Rd. 944 Comment
  JEPS71482  Hydrophyllum capitatum var. alpinum Gladys L. Smith 1972-6-18 3165 Placer Alpine Meadows 2072 Comment
  CAS-BOT-BC400937  Hypericum anagalloides A. A. Heller 1917-8-15 12939 Placer Soda Springs station, lower end of Summit Valley 2042 Comment
  UCR151578  Hypericum anagalloides Beecher Crampton 1952-11-9 925 Placer 6 mi east of Auburn 457 Comment
  UC420707  Hypericum concinnum W. W. Mackie Apr 1 1904-May 1 1904 Placer Newcastle Comment
  UC303558  Hypericum formosum var. scouleri unknown May 1894 Placer Auburn Comment
  POM178043  Hypericum perforatum Marcus E. Jones 1930-7-11 25286 Placer Auburn Comment
  RSA458263  Hypericum perforatum Wm. Martin 1971-9-10 20246 Placer 1 mile north of Gold Run on Hwy. 80 991 Comment
  UCR219683  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16371 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UCR233272  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17677 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  UCD118224  Ipomopsis aggregata Mrs. Raus 1935-7-10 s.n. Placer Lake Tahoe. Comment
  POM65906  Ipomopsis aggregata subsp. formosissima C. J. Fox 1895-07 11412 Placer Near Squaw Peak Comment
  SEINET9355646  Iris hartwegii Unknown 2009-5-11 14653 Placer Sierra Nevada Mountains Foothills Comment
  HSC83397  Iris hartwegii G. M. Riegel 1975-5-16 16 Placer 3.6 mi. W of Foresthill off Foresthill Auburn Rd. on Red Rock Rd. 915 Comment
  SEINET8529757 Image available Iris hartwegii Gerald Pullman 1974-5-25 40 Placer Mosquito Ridge Road, 1/4 mi. west of Mosquito Narrows Airstrip, 19.2 mi. east of Foresthill. Comment
  UCD138732  Iris hartwegii subsp. hartwegii Eric Brenner; John Hunter 1996-5-26 009 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UC614832  Isoetes bolanderi Beryl O. Schreiber 1933-7-21 906 Placer Homewood; Lake Tahoe Comment
  SBBG122675  Isoetes howellii J. Dittes 2003-5-25 2003 -28 Placer ca. 3.3 air-mi S of Lincoln, 0.5 air-mi E of jct of State Hwy 65 and Twelve Bridges Exit 39 Comment
  SEINET5338184  Isopyrum occidentale L. Smith 1979-4-12 s.n. Placer About 2 miles north on Lake Clementine Rd.- off Forest Hill Rd. towards Forest Hill. 305 Comment
  UCD37749  Iva axillaris Beecher Crampton 1961-9-27 6018 Placer Blue Canyon. 1430 Comment
  RSA655140  Iva axillaris subsp. robustior Beecher Crampton 1956-7-17 3720 Placer Blue Canyon; near railroad. 1433 Comment
  JEPS44486  Ivesia shockleyi var. shockleyi C. F. Sonne 1887-7 84 Placer Tinker's Knob; Sierra Nevada Mountains 2895 Comment
  SEINET11911561  Ivesia shockleyi var. shockleyi C. F. Sonne 1885-1 s.n. Placer Tinker Knob, near Truckee 2896 Comment
  CAS-BOT-BC340263  Jensia rammii C. L. Hitchcock 1940-5-14 6394 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  UC177024  Jensia rammii Katharine Brandegee July 1908 Placer Blue Canyon Comment
  UC830912  Jensia rammii C. L. Hitchcock 1940-5-14 6394 Placer ca 6 mi n Colfax; Meier Ranch 762 Comment
  UCD33732  Juncus articulatus subsp. articulatus Beecher Crampton 1972-7-26 8842 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCD141348  Juncus balticus subsp. ater L. S. Smith 1916-6-19 642 Placer Squaw Valley. 1889 Comment
  CHSC67758  Juncus chlorocephalus James D. Jokerst 1986-7-13 2708 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  OBI21106  Juncus chlorocephalus Robert F. Hoover 1967-9-7 10856 Placer Antone Meadow Comment
  CHSC74141  Juncus confusus Susi Urie 1998-8-11 98 -014 Placer Lake Tahoe Basin Management Unit -- National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCR233662  Juncus effusus var. exiguus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17674 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  CDA24987  Juncus ensifolius J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD33726  Juncus ensifolius Beecher Crampton 1972-7-26 8831 Placer Placer County, Nyack Lodge. 1645 Comment
  UCD75704  Juncus ensifolius Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5154 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  CDA15928  Juncus nevadensis G. F. Hrusa, J. Glazner 1999-7-17 15179 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC74023  Juncus nevadensis Susi Urie 1998-9-1 98 -178 Placer Lake Tahoe Basin--National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  CHSC74321  Juncus nevadensis Susi Urie 1998-8-29 98 -155 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  POM110847  Juncus nevadensis Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UCD43350  Juncus occidentalis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 718 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  CHSC74325  Juncus orthophyllus Susi Urie 1998-8-29 98 -171 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  RSA494793  Juncus orthophyllus Lyman Benson 1942-7-2 11244 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 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
  UCD21847  Juncus parryi Rex Palmer 1979-5-27 N 83 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR206717  Juncus saximontanus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15204 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UCD43385  Juncus triformis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 753 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC68036  Juncus uncialis James D. Jokerst 1986-4-14 2616 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  UC1714565  Juncus xiphioides Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET5334970  Juniperus occidentalis P. A. Lehenbauer 1937-9-19 s.n. Placer on road to Carnelian Bay, 4 miles from Lake Tahoe Comment
  POM281907  Juniperus occidentalis var. occidentalis Lyman Benson 1933-6-25 4540 Placer Cisco, U.S. 40, Sierra Nevada, Bear River watershed 1829 Comment
  UC1280800  Keckiella breviflora H. E. McMinn 1926-5-28 1751 Placer 6 mi n Folsom ((Allens - local name of place)) Comment
  UC27398  Keckiella breviflora Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET12330172  Keckiella breviflora M. J. Williams 1984-1 84- 65 -1 Placer 0.3 mi from Hwy 20, on Bowman Lake Rd 1524 Comment
  CAS-BOT-BC235627  Keckiella breviflora var. breviflora David D. Keck 1933-6-1 2432 Placer 2.3 miles southeast of Loomis on back road to Folsom Comment
  CAS-BOT-BC246323  Keckiella lemmonii Alice Eastwood 1909-1-1 233 Placer Squaw Creek Comment
  CAS-BOT-BC246324  Keckiella lemmonii W. R. Dudley 1909-8-1 s.n. Placer North side Bear River, road to Little York 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
  UCD22298  Kelloggia galioides Rex Palmer 1979-7-11 N 578 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC180847  Kochia scoparia Beecher Crampton 1969-10-9 8519 Placer Interstate Highway 80 westbound between Yuba and Emigrant Gaps 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
  CDA24282  Kumlienia hystricula M. S. Bergseng 1959-2-23 Placer Ponderosa Road, across river from Weimar. 0 Comment
  UC131019  Kumlienia hystricula Mrs. K. Brandegee 1909-4-28 Placer near Auburn (in the Sierra Nevada Foothills); Sierra Nevada Foothills Comment
  CHSC74068  Lactuca serriola Susi Urie 1998-8-18 98 -068 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC341358  Lagophylla glandulosa David D. Keck 1932-7-1 1589 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  CAS-BOT-BC341356  Lagophylla glandulosa David D. Keck 1932-6-30 1587 Placer 0.3 miles N. of Weimar P.O. 685 Comment
  UCD21778  Lagophylla ramosissima Beth Lowe Corbin 1982-8-3 167 Placer Onion Creek campground. 1841 Comment
  UCR218617  Lagophylla ramosissima Ken Osborne 2010-9-12 s.n. Placer Sierra Nevada Mtns. Foothills, North Auburn, Dry Creek Rd. just west of intersection with Bluegrass Dr. 396 Comment
  CDA37227  Lamium amplexicaule CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UC1124452  Lamium amplexicaule C. R. Clar 1933-3-25 110 Placer Bear River; Colfax Quad. 640 Comment
  UCR171020  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2006-2-9 10042 Placer Northern Central Valley, English Colony Way [Humphrey Road] at Sierra College Blvd near Clover Valley Creek; SE of Lincoln 183 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
  RSA523611  Lasthenia californica Barbara Ertter, David M. Thompson 1989-4-8 8147 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UCR198539  Lasthenia fremontii George K. Helmkamp, E. A. Helmkamp 2008-4-17 13283 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  CAS-BOT-BC257633  Lasthenia glaberrima George K. Helmkamp; E. A. Helmkamp 2011-5-12 17252 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
  RSA726776  Lasthenia glaberrima L. Ahart 2007-4-13 13632 Placer About 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 44 Comment
  RSA74393  Lathyrus lanszwertii var. lanszwertii C. L. Hitchcock 1949-6-6 19069 Placer 5 miles S of Tahoe, W side of Lake Tahoe Comment
  UCD33742  Lathyrus latifolius Beecher Crampton 1972-7-26 8854 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  SEINET3828328  Lathyrus nevadensis subsp. nevadensis George K. Helmcamp, E. A. Helmkamp 2012-1 18930 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road. Georgetown 7.5. 778 Comment
  POM260418  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6320 Placer 1 mile west of Baxter. Comment
  SEINET5327342  Lathyrus sulphureus W. D. Billings 1940-5-18 1304 Placer Opening in undisturbed pine woods Gold Run Comment
  JEPS119444  Layia chrysanthemoides George K. Helmkamp with E. A. Helmkamp 2011-4-10 17155 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan. Comment
  CAS-BOT-BC321707  Layia fremontii Edna Hannibal 1918-4-16 s.n. Placer Rocklin Comment
  SDSU2800  Layia fremontii D. F. Howe 1948-5-20 1838 Placer 457 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
  UC212640  Lepidium nitidum Mary E. P. Ames Apr 1894 Placer Auburn Comment
  JEPS113103  Lepidium nitidum var. nitidum Lowell Ahart, Brian Williams 2007-4-13 13639 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
  UCD22377  Lepidium ramosissimum Beth Lowe Corbin 1982-8-3 168 Placer Onion Creek Campground. S facing slope. Moderately abundant. Full sun. In fine, sandy, granitic soil of open, dry meadow in mixed conifer forest. Annual. Sepal margins white. 1841 Comment
  UCR146922  Lepidium virginicum var. pubescens Beecher Crampton 1961-9-27 6017 Placer Sierra Nevada Mountains, Blue Canyon, railroad right-of-way 1431 Comment
  JEPS71341  Leptodactylon pungens Gladys L. Smith 1972-6-20 3203 Placer Ward Peak; on open plateau about terminus of Summit chairlift 2621 Comment
  UC63961  Leptodactylon pungens C. J. Fox Jr. July 1895 Placer near Squaw Peak; near Squaw Peak Comment
  CHSC91653  Leptosiphon bolanderi M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 259 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. Along old road. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  CHSC44327  Leptosiphon ciliatus Lowell Ahart 1972-7-7 137 Placer In a wash, near the Middle Fork of the American River, on the east side of the river near Ahart Camp, about 1 mile north-east of French Meadows Reservoir. 1524 Comment
  UCD22109  Leptosiphon ciliatus Rex Palmer 1979-6-21 N 389 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD35595  Lessingia virgata Beecher Crampton 1958-7-11 5010 Placer 3.3 miles east of Sheridan. Comment
  JEPS16971  Leucanthemum vulgare Peter H. Raven 1956-8-4 9982 Placer Blue Canyon; Sierra Nevada 1432 Comment
  UCD134133  Leucanthemum vulgare R. N. Raynor 1939-5-31 s.n. Placer along Highway 3 miles above Auburn. 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
  UC1121029  Leucothoe davisiae B. Bolt 1934-7-6 84 Placer Tahoe National Forest, e slope of Texas Hill Texas Hill; Tahoe National Forest, Texas Hill 1584 Comment
  UCD21480  Leucothoe davisiae Beth Lowe Corbin 1982-8-24 416 Placer One and 3/4 miles SW of the Cedars. 1950 Comment
  UCR247347  Leucothoe davisiae T. C. Fuller 1973-8-23 19982 Placer Sierra Nevada Mtns., just SE of Robinson Flat Guard Station 2165 Comment
  CAS-BOT-BC123019  Lewisia kelloggii Albert Kellogg 1870-6-27 s.n. Placer Sierra Nevada. Camp Yuba, (Cisco). Comment
  POM101901  Lewisia nevadensis Marcus E. Jones 1902-6-27 s.n Placer Emigrant Gap Comment
  UC1136687  Lewisia nevadensis N. French 1934-6-19 319 Placer 1/4 mi w Devil's Peak; Tahoe National Forest, Colfax quadrangle Comment
  UC852036  Lewisia nevadensis A. A. Heller 1917-6-17 12714 Placer Yuba River below Cisco; Yuba River 1676 Comment
  RSA123078A  Lewisia rediviva N. H. French 1934-6-19 422 Placer 1/4 mile W of Devil s Peak. 2104 Comment
  CAS-BOT-BC444556  Lewisia triphylla John H. Thomas; Hazelle A. Thomas 1956-7-21 6135 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC444552  Lewisia triphylla Kellogg 1890-6-23 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  MACF014913  Libocedrus decurrens Fay A. MacFadden 1933-7-11 11167 Placer Canyon Creek, California Comment
  MACF019631  Libocedrus decurrens Fay A. MacFadden 1934-8-3 12824 Placer California Comment
  CAS-BOT-BC436049  Ligusticum grayi A. A. Heller 1919-7-25 13300 Placer Near the Yuba River below Cisco 1676 Comment
  UC1122991  Ligusticum grayi B. Bolt 1934-7-16 123 Placer 1/2 mi. s. Lost Emigrant Mine (on Plot No. 211, Tahoe Nat'l Forest); Tahoe Nat'l Forest, Truckee Quad. Comment
  UC21115  Ligusticum grayi A. M. Carpenter 1893-8 Placer Comment
  CAS-BOT-BC451588  Lilaea scilloides Gordon H. True 1971-5-26 6534 Placer Northern limits of Lincoln 48 Comment
  UCR218237  Lilium humboldtii subsp. humboldtii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16442 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  RSA65290  Lilium parvum Albert M. Vollmer, L. Beane 1951-07 189 Placer Bear Valley, east of Nevada City Comment
  CAS-BOT-BC508482  Lilium parvum G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CAS-BOT-BC508486  Lilium parvum A. A. Heller 1919-7-26 13312 Placer West of Donner Pass 2072 Comment
  CAS-BOT-BC508488  Lilium parvum C. F. Sonne 1892-7-1 s.n. Placer West slope Washoe Mts. Comment
  CAS-BOT-BC508491  Lilium parvum A. M. Vollmer; L. Beane 1951-7-1 189 Placer Bear Valley, east of Nevada City Comment
  SEINET12057833  Lilium parvum B. C. Templeton 1931-7-4 1504 Placer near Meeks Bay, Lake Tahoe 2280 Comment
  CAS-BOT-BC133074  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1909-1-1 184 Placer Sunnyside, Lake Tahoe Region Comment
  UC984814  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer and L. Beane Jul 1951 191 Placer e of Nevada City; Bear Valley Comment
  UC3750  Lilium washingtonianum subsp. washingtonianum C. F. Sonne Jul 1886 Placer canyon on Truckee River; Sierra Nevada Mountains Comment
  CAS-BOT-BC334223  Lilium washingtonianum var. washingtonianum George K. Helmkamp; Mary Alice Barnes; E. A. Helmkamp 2012-9-8 19796 Placer Northern Sierra Nevada Mountains: Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  UCR240748  Lilium washingtonianum var. washingtonianum George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19796 Placer Northern Sierra Nevada Mountains, along Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  JEPS19575  Limnanthes alba Wm. H. Shockley 1879-1 Placer Auburn 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
  SEINET3154763  Limnanthes douglasii M. E. Jones 1882-6-28 3285 Placer Emigrant Gap Comment
  UCD162577  Limosella aquatica Steve Matson 2003-6-9 792 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek, vernal pool. 1780 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
  UC30153  Linanthus dichotomus H. N. Bolander 1865-4-10 4519 Placer Auburn Comment
  UC1124027  Linanthus harknessii B. Bolt 1934-7-17 128 Placer 0.5 mi s Lost Emigrant Mine; Tahoe National Forest, Truckee Quad. 2072 Comment
  UC971766  Linanthus harknessii B. Bolt 1934-7-17 171 Placer 0.5 mi s Los Emigrant Monument; Tahoe National Forest, Truckee Quad. 2072 Comment
  CAS-BOT-BC240379  Linnaea borealis subsp. longiflora Margaret J. Williams 1984-6-24 84- 62 -1 Placer Near Hwy 20, Skillman Flat Campground 1341 Comment
  SEINET9298746  Lithocarpus densiflorus Unknown 1993-11-3 11467 Placer Placer Big Trees Redwood Grove. In openings within mixed conifer forest. Common here in sunny openings. Comment
  CAS-BOT-BC36162  Lithocarpus densiflorus var. densiflorus D. L. Smith; G. L. Stebbins 1976-7-4 C 7682 Placer Little Crater, on north side of Ralston Ridge. 1463 Comment
  CAS-BOT-BC36586  Lithocarpus densiflorus var. echinoides G. M. Noyes 1913-6-1 201 Placer Tahoe 1066 Comment
  CDA21151  Lithocarpus densiflorus var. echinoides G. F. Hrusa 1993-11-3 11467 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  RSA1952  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-11 991 Placer 8 mi. west of Emigrant Gap. 1372 Comment
  SACT002874  Lithocarpus densiflorus var. echinoides Josephine Van Ess 1980-7-23 Placer Collected in grove of Sierra Redwoods along nature trail in park. Shrub in open forest. Comment
  UCD160959  Lithophragma G. Ledyard Stebbins 1978-5-27 s.n. Placer El Dorado National Forest. East side of Big Crater. (Exact location unknown. Coordinates estimated by label maker.) 1219 Comment
  RSA98977  Lithophragma bolanderi L. S. Rose, W. A. Weber 1953-5-19 8398 Placer 1 mile SE of Auburn 305 Comment
  UC858170  Lithophragma glabrum A. A. Heller 1917-6-17 12684 Placer near the Yuba River below Cisco; near Yuba River 1676 Comment
  CAS-BOT-BC441140  Lithophragma parviflorum A. A. Heller 1917-6-17 12698 Placer Low, gravelly places along the YUba River below Cisco 1676 Comment
  SEINET5501541 Image available Lithophragma parviflorum Sally Walker 1982-8-5 s.n. Placer Ski area above Tahoe, Truckee Rd Comment
  CDA36912  Lolium multiflorum CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  UC1137048  Lolium multiflorum August L. Hormay 1932-5-24 Placer w Auburn; w of Auburn Comment
  SACT001449  Lolium perenne D. Meyer 1984-7-29 Placer Road south of reservoir, moist shady north-facing slope. 1612.0 Comment
  UC1562641  Lomatium californicum Barbara Ertter with David Thompson 1989-4-9 8192 Placer n.e. Auburn (1/2 way down rd. to Lake Clementine (=North Fork Lake)) 304 Comment
  CAS-BOT-BC226936  Lomatium caruifolium var. denticulatum George K. Helmkamp; E. A. Helmkamp 2011-4-10 17169 Placer Sacramento Valley: along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  JEPS72676  Lomatium nevadense var. nevadense Gladys L. Smith 1972-6-20 3249 Placer just below Ward Peak Summit 2628 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
  UCD41246  Lomatium utriculatum Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1701 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-BC240670  Lonicera interrupta Saichi Kawahara 1969-5-24 837 Placer Slope overlooking the north fork of the American River on the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UC864262  Lotus argophyllus var. fremontii Marcus E. Jones, A. M. 1882-7-3 3338 Placer Colfax Comment
  UCR250077  Lotus argophyllus var. fremontii George K. Helmkamp, Mary Alice Barnes 2013-5-3 20502 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  JEPS83670  Lotus humistratus W. H. Shockley Jun 1886 Placer Auburn Comment
  POM27004  Lotus incanus Marcus E. Jones 1882-5-3 s.n. Placer Colfax Comment
  SEINET6655790  Lotus incanus L. S. Smith 1926-5-25 1859 Placer Tahoe NF; Mosquito Ridge below Dollar Camp;; 0 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
  UC15725  Lotus oblongifolius var. oblongifolius Mrs. M. M. Hardy 1893-1 Placer Comment
  UCR152264  Lotus purshianus Beecher Crampton 1972-7-26 8836 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  CDA27308  Lotus purshianus T. C. Fuller 1958-7-7 2001 Placer 2 miles north of Roseville. 0 Comment
  UC725840  Lotus purshianus var. purshianus A. A. Heller 1919-7-24 13297 Placer near Cisco Comment
  POM27033  Lotus unifoliolatus Marcus E. Jones 1882-7-3 s.n. Placer Alta. Comment
  RSA122898  Lotus unifoliolatus B. Bolt 1934-7-20 154 Placer Whiskey Hill. 1646 Comment
  RSA406275  Lotus unifoliolatus Wm. Martin 1973-9-10 20213 Placer 1 mile east of Weimar on Hwy. 80. 610 Comment
  SDSU4354  Lotus wrangelianus D. F. Howe 1948-5-21 1916 Placer 457 Comment
  OBI60158  Ludwigia palustris David J. Keil, with Kathleen A. Keil 1999-7-17 28377 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  CAS-BOT-BC201251  Lupinus Charles Piper Smith 1932-9-2 4782 Placer Tahoe City, 3 miles south Comment
  SEINET8057810  Lupinus A. Allen 1950-4-29 27 Placer 6 miles from Folsom on Loomis Folsom Road 244 Comment
  UC194800  Lupinus C. F. Sonne 1891-4-5 Placer along R.R. bet. Auburn and Newcastle; bet. Auburn and Newcastle Comment
  UCR172652  Lupinus albifrons var. albifrons George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10195 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
  UCR173267  Lupinus albifrons var. collinus George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10429 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  OBI12958  Lupinus andersonii Robert F. Hoover 1967-9-5 10834 Placer Carnelian Bay, Lake Tahoe Comment
  UC15772  Lupinus andersonii Mrs. M. M. Hardy 1893-1 Placer Comment
  JEPS64893  Lupinus apertus Leland S. Smith 1926-5-25 1857 Placer Poison Area below Millers Defeat; Tahoe National Forest, below Millers Defeat 1676 Comment
  UCR270697  Lupinus arbustus John F. Emmel 1998-7-9 1576 Placer Sierra Nevada Mountains, Donner Pass area, north peak of Mt. Judah 2500 Comment
  CAS-BOT-BC8276  Lupinus arbustus subsp. silvicola Amos Arthur Heller 1909-7-16 9857 Placer Summit 2133 Comment
  JEPS111226  Lupinus argenteus subsp. argenteus Steve Matson 2005-7-4 1360 Placer Martis Valley, southeast of Truckee, National Recreation Area , south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; near trailhead; 39.2923 N, 120.1291 W. Elevation 5,900 ft. 1798 Comment
  UCR233387  Lupinus argenteus var. argenteus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18162 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  RSA414452  Lupinus aridus Kessler s.n. Placer Lake Tahoe. Comment
  RSA0039281  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20290 Placer northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  SD255737  Lupinus bicolor George K. Helmkamp, Amy Barnes 2014-3-21 22644 Placer Sacramentop Valley; Sheridan, Riosa Road at the west side of its junction with old CA 65. 32 Comment
  UCR198411  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2008-4-17 13296 Placer Sacramento Valley / Sierra Nevada Foothills, about 0.2 mile north of CA-193 on Fowler Road, about 6 miles east of Lincoln 93 Comment
  UC726013  Lupinus bicolor A. A. Heller 1940-4-20 15541 Placer along U.S. Highway #99E, 1 mi n Sheridan; n of Sheridan Comment
  UCD108133  Lupinus latifolius F. A. MacFadden 1934-7-9 s.n. Placer Near flume below Emigrant Gap. Comment
  UC198112  Lupinus latifolius var. latifolius Katharine Brandegee Aug. 1917 Placer Cisco Comment
  UC865253  Lupinus lepidus Marcus E. Jones, A. M. 1882-4-28 3305 Placer Emigrant Gap Comment
  SEINET12154581  Lupinus lepidus C. F. Sonne 23 Aug 188- 54 Placer Tinker's Knob 2896 Comment
  SBBG3583  Lupinus lepidus var. confertus E. R. Blakley 1960-9-2 3801 Placer Carnelian Bay, Lake Tahoe 1903 Comment
  UC127525  Lupinus lepidus var. confertus Miss Harriet A. Walker 1908-7-28 1483 Placer Bank of Yuba River Cisco (Cisco); Bank of Yuba River Comment
  UC1129556  Lupinus lepidus var. lobbii B. Bolt 1934-7-12 103 Placer Snow Mountain; Tahoe National Forest, Truckee Quad., Snow Mountain Comment
  UCD108446  Lupinus lepidus var. lobbii S. L. Smith 1916-6-16 510 Placer Squaw Valley. Comment
  SEINET8051739  Lupinus lepidus var. lobbii M. J. Williams 1966-7-11 55 Placer Sierra Nevada, Luther Ridge, above Jamison creek 2286 Comment
  UCD108566  Lupinus lepidus var. sellulus A. A. Heller 1919-7-25 13307 Placer near the Yuba river below Cisco. 1676 Comment
  SEINET8056248  Lupinus lepidus var. sellulus M. J. Williams 1985-7-6 85- 61 -6 Placer Sierra Nevada, near old Donner Summit, S of Lake Mary Comment
  RSA413788  Lupinus lyallii var. lyallii Bonnie C. Templeton 1931-7-5 1506 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  CDA19539  Lupinus nanus M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 257 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
  RSA0038508  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20471 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  RSA792718  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17171 Placer along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  SEINET3271551 Image available Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14603 Placer Sierra Nevada Mountains Foothills; Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  UCR208546  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-11 14674 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  RSA761030  Lupinus nanus Barbara Ertter, David Thompson 1989-4-9 8188 Placer Auburn-Forest Hill Road 6.2 miles southwest of Spring Garden Road junction, 8 miles northeast of Auburn. 610 Comment
  CHSC931  Lupinus polyphyllus var. burkei D. Crummet 1937-5-31 Placer About 14 mi. below Tahoe Tavern near Truckee. 1767 Comment
  UC1129723  Lupinus polyphyllus var. burkei B. Bolt 1934-8-22 191 Placer Grayhorse Flat; Tahoe National Forest, Truckee Quad., Grayhorse Flat Comment
  SEINET10903499  Lupinus sellulus Gordon H. True, John Thomas Howell 1967-8-16 True 3781 Placer Fordyce lake road just south of lake, ca. 5 Mi north of cisco grove. Common on Dry forest floor. 2042 Comment
  SEINET881443 Image available Lupinus silvicola A. A. Heller 1909-1 s.n. Placer Summit. 2133 Comment
  UC16025  Lupinus stiversii Mrs. M. M. Hardy 1893-1 Placer Comment
  POM127158  Lupinus vallicola subsp. vallicola Francis Ramaley 11099 Placer Lincoln Comment
  CDA19571  Luzula comosa M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 250 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  SEINET6331930  Luzula comosa M. J. Williams 1985-7-6 85- 61 -10 Placer Sierra Nevada, near old Donner Summit, south of Lake Mary 2286 Comment
  CHSC67716  Luzula comosa var. laxa James D. Jokerst 1986-7-13 2721 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, in Sheet Valley. 2133 Comment
  SD239494  Luzula macrantha George K Helmkamp, E. A. Helmkamp 2012-5-5 18937 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road (Georgetown 7.5'Q) 779 Comment
  UCR218245  Madia citriodora George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16431 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
  CAS-BOT-BC343774  Madia elegans R. F. Hoover 1967-9-6 10850 Placer Kings Beach, Lake Tahoe Comment
  CAS-BOT-BC343779  Madia elegans G. P. Rixford 1913-9-2 s.n. Placer Loomis Comment
  UC217498  Madia elegans H. M. Hall 1917-5-17 10309 Placer 5 mi n Lincoln (along S.P.R.R.); Sacramento Valley 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
  JEPS103272  Madia glomerata Lowell Ahart 2002-7-22 9878 Placer 50 yards NE of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  RSA0045149  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2012-9-25 19919 Placer Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road. 1611 Comment
  UCD134265  Madia glomerata G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12646 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  CAS-BOT-BC343244  Madia gracilis H. M. Hall 1910-6-26 8719 Placer Cisco, west slope Sierra Nevada 1804 Comment
  CAS-BOT-BC434231  Madia gracilis George K. Helmkamp; E. A. Helmkamp 2012-6-19 19219 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  POM30638  Madia rammii Marcus E. Jones 1882-7-3 s.n. Placer Colfax. 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
  UCR257599  Malva parviflora George K. Helmkamp, Amy Barnes 2014-3-21 22642 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  CDA19494  Marrubium vulgare M. I. Wibawa 2002-5-27 267 Placer Sacramento Valley; American River bike trail to Folsom Lake State Recreation Area. 91 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
  SD241766  Matricaria discoidea George K. Helmkamp, E. A. Helmkamp 2012-3-31 18652 Placer Sacramento Valley: along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UCR171351  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2005-9-30 9967 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
  SD255747  Medicago polymorpha George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22532 Placer Sierra Nevada Mountains Foothills; North Auburn, corner of Bell Road and Olympic Way, 0.7 mile west of CA 49. 433 Comment
  CHSC79888  Melica aristata G. F. Hrusa; J. Glazner 1999-7-18 15234 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89 and Squaw Valley Rd. UTM: 10s, 43434 N, 07418 E. 1905 Comment
  UC55049  Melica aristata Kellogg Placer Cidco; Sierra Nevada Mtns Comment
  CAS-BOT-BC269217  Melica aristata California Academy of Sciences 1870-6-10 s.n. Placer Cisco/Sierra Nevada Comment
  SD164  Melica bulbosa none listed June 1914 Placer Cisco 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
  UC1153929  Melica californica Beecher Crampton 1957-5-7 3980 Placer 3.2 mi n Roseville (U.S. Hwy 99E) Comment
  SACT001496  Melica californica var. nevadensis Michael Baad 1983-5-5 Placer 3 miles southeast on Yankee Jim Road from Canyon Way Road, descending to North Fork of American River. 548.64 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
  CDA19556  Melica geyeri M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 240 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. S 1066 Comment
  UC818837  Melica geyeri Marcus E. Jones 1882-6-30 3553 Placer Emigrant Gap Comment
  SACT001512  Melica harfordii Michael Baad 1976-6-4 Placer 5.2 miles east of Forest Hill on road to French Meadows Reserve 762.0 Comment
  UCD36657  Melica harfordii Beecher Crampton 1955-6-15 2884 Placer Placer County, Bunch Canyon, 2.5 miles south of U.S. Highway 40, on Forest Hills Road. Comment
  UCD88310  Melica stricta Tamara Kan 1992-7-25 s.n. Placer East slope of Silver Peak. 2377 Comment
  SACT001539  Melica torreyana Michael Baad 1983-5-7 Placer 2 miles south of Colfax on Iowa Hill Road; rocky opening; disturbed area 978.0 Comment
  SACT001540  Melica torreyana Michael Baad 1983-4-17 Placer 411.48 Comment
  SACT001556  Melica torreyana D. Meyer 1984-6-23 Placer 1 km from Interstate 80 Frontage Road, shady hillside with Oak and Douglass Fir 978.0 Comment
  SEINET9262014  Melica torreyana George K. Helmkamp, Amy Barnes 2014-1 22799 Placer Sierra Nevada Mountains Foothills: Old auburn-Foresthill ROad 1.7 miles northeast of its junction with CA-49 at North Fork American River (Auborn 7.5 Q) 407 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
  UCR235612  Melica torreyana George K. Helmkamp, E. A. Helmkamp 2012-5-5 18915 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  SBBG6412  Mentha canadensis E. R. Blakley 1960-9-3 3809 Placer Kings Beach, Lake Tahoe 1903 Comment
  UCD33731  Mentha spicata Beecher Crampton 1972-7-26 8840 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  RSA409918  Mentha spicata Wm. Martin 1971-9-10 20224 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  CAS-BOT-BC428679  Micranthes bryophora Kellogg 1870-1-1 s.n. Placer Cisco Comment
  CAS-BOT-BC428682  Micranthes bryophora C. F. Sonne 1884-8-24 89 Placer Sierra Nevada Mts. Granite Rock above Coldstream 2438 Comment
  JEPS127556  Micranthes bryophora Steve Matson 2004-8-1 1081 Placer nSNH: Tahoe Basin west shore; Blackwood Canyon, 1/2 mile SE of Barker Pass. Comment
  UCD22364  Micranthes bryophora Beth Lowe Corbin 1982-8-19 386 Placer 2 miles SSE of The Cedars. 2011 Comment
  UCD75725  Micranthes bryophora Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5162 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
  SEINET6033446  Micranthes californica H. R. Holbo 1967-3-31 s.n. Placer 1 mile east of bridge of North fork American River and HWY 49 457 Comment
  SEINET6033609  Micranthes integrifolia A. Beninghoff 1930-3-15 1572 Placer Virginia Town. Comment
  SEINET12220884  Micranthes tolmiei C. F. Sonne 1885-1 s.n. Placer Tinkers Knob, Sierra Nevada Mts 2743 Comment
  CAS-BOT-BC348389  Micropus californicus var. californicus H. L. Mason 1933-5-28 7236 Placer Tahoe-Colfax road, three to four miles north of Colfax Comment
  CAS-BOT-BC349326  Microseris nutans John H. Thomas; Hazelle A. Thomas 1956-7-21 6118 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC349328  Microseris nutans Alice Eastwood 1909-1-1 75 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC349332  Microseris nutans A. A. Heller 1919-7-26 13314 Placer Summit meadows west of Donner Pass 2072 Comment
  HSC95831  Mimulus aurantiacus Kevin Thomas 2004-4-10 20 Placer Newcastle Comment
  UCD122225  Mimulus aurantiacus M. H. Mills 1996-4-12 146 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCR194952  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12025 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  UC1119866  Mimulus aurantiacus var. aurantiacus N. French 1933-5-5 44 Placer sw Rattlesnake Bridge; Sacramento Quadrangle Comment
  JEPS4597  Mimulus aurantiacus var. grandiflorus Matt Herbrand 1916-7-2 Placer Emigrant Gap Comment
  UC573572  Mimulus breweri B. Bolt 1934-7-11 97 Placer Cascade Lakes Tahoe National Forest, Truckee Quadrangle 2042 Comment
  UCD162609  Mimulus breweri Steve Matson 1998-6-23 293 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; middle fork at big pine meadow. 1920 Comment
  UCR233400  Mimulus breweri George K. Helmkamp, E. A. Helmkamp 2011-8-26 18186 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat 2050 Comment
  POM43705  Mimulus guttatus Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  RSA447928  Mimulus guttatus Fay A. MacFadden 1934-7-10 12774 Placer Canyon Creek. Dutch Flat. Comment
  RSA447929  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  RSA569047  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UC445211  Mimulus guttatus Katharine Brandegee 1905-8-8 Placer Alta Grade Comment
  UCD40888  Mimulus guttatus Heidi Haugen 1984-4-15 3 Placer Folsom Lake westside. 22 Comment
  CDA38386  Mimulus jepsonii S. E. Schoenig 1998-8-16 98 -83 Placer 1.0 mile north of Grouse Ridge on trail to Island Lake, northeast of Milk Lake. Tahoe National Forest. Comment
  UCR191074  Mimulus jepsonii George K. Helmkamp, E. A. Helmkamp 2007-5-23 12057 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 11.1 miles northeast of Foresthill 1463 Comment
  UC1063101  Mimulus lewisii B. Bolt 1934-7-16 119 Placer Wabeno Creek Tahoe National Forest, Truckee Quadrangle Comment
  UCD21878  Mimulus lewisii Beth Lowe Corbin 1982-8-3 175 Placer Onion Creek campground. 1841 Comment
  SEINET7719539  Mimulus lewisii Unknown 1888-7-16 Placer Summit Comment
  UCR242327  Mimulus mephiticus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16679 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road 1662 Comment
  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
  UC27049  Mimulus moniliformis Mrs. M. M. Hardy 1893-1 Placer Comment
  RSA422238  Mimulus nanus var. mephiticus Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  UCD122674  Mimulus nasutus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12954 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  CDA15980  Mimulus primuloides subsp. primuloides G. F. Hrusa, J. Glazner 1999-7-17 15164 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC1063013  Mimulus primuloides subsp. primuloides H. S. Yates 1936-8-9 128 Placer 2 mi sw Martis Pk.; Truckee Quadrangle Comment
  UCR209723  Mimulus primuloides var. primuloides George K. Helmkamp, E. A. Helmkamp 2009-8-12 15447 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  UCD162557  Mimulus suksdorfii Steve Matson 1998-6-6 227 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south side of Highway 267 50 meters east of Martis Creek. 1780 Comment
  RSA757271  Mimulus torreyi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15196 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  SCFS1235  Mimulus torreyi E. Krimmel 2013-1 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook at Land of the Lost. Comment
  UC573534  Mimulus torreyi N. French 1934-6-15 414 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle 1463 Comment
  JEPS51427  Minuartia californica W. H. Shockley 1880-1 Placer Auburn Comment
  POM101324  Minuartia douglasii Marcus E. Jones 1882-4-18 s.n. Placer Emigrant Gap. Comment
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Sep 29 2017
  UCD98271  Minuartia douglasii Gurdev S. Khush 1959-5-10 18 Placer US Highway 40, 1.5 miles nortehast of Clipper Gap. 426 Comment
  CDA16797  Mitella breweri G. F. Hrusa, J. Glazner 2001-7-15 15936 Placer Sierra Nevada; Crows Nest Pk. immed. W of Sugarbowl. 2286 Comment
  CDA40218  Modiola caroliniana M. I. Wibawa 2002-5-27 270 Placer Sacramento Valley; American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  POM70499  Monardella candicans Marcus E. Jones 1882-7-4 s.n. Placer Colfax. Comment
  OBI20164  Monardella odoratissima subsp. pallida David J. Keil 1978-7-23 12929 Placer Cisco Grove exit from I-80, just E of Nevada Co. line Comment
  UC883619  Monardella odoratissima subsp. pallida P. A. Lebenbauer 1934-6-10 Placer Near Homewood; Lake Tahoe Comment
  UCR209736  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2009-8-12 15435 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
  UCR231827  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-8-14 16771 Placer Northern Sierra Nevada Mountains, Deadwood Road, 1.2 miles south of its junction wih Forest Hill Road 1564 Comment
  CAS-BOT-BC318591  Monardella odoratissima subsp. pallida Mrs. H. C. Cantelow 1938-7-2 2268 Placer 8 mi N of Auburn Comment
  JEPS59506  Montia chamissoi Ezra Brainerd and Viola B. Baird 1915-7-7 260 Placer Sierra Nevada Mountains, Squaw Valley Squaw Valley; Sierra Nevada Mountains, Squaw Valley 1920 Comment
  CAS-BOT-BC444853  Montia fontana John Thomas Howell; Gordon H. True 1972-3-13 7083 Placer Northern outskirts of Lincoln 48 Comment
  JEPS82036  Montia fontana Gladys L. Smith 1982-6-24 7431 Placer near Squaw Valley (Goose Meadow, along Rte [89]); Goose Meadow 1828 Comment
  SEINET5336648  Montia fontana C. Aarstad, Hugh N. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junct. W/No. fork of middle fork of American River, Mosquito Ridge road to French Meadows. 518 Comment
  UC569416  Muhlenbergia filiformis H. S. Yates 1936-8-9 5988 Placer two mi sw Martis Peak; Truckee Quadrangle 2286 Comment
  UCD22225  Muhlenbergia filiformis Rex Palmer 1979-7-9 N 442 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD102565  Myriophyllum spicatum John D. Madsen; David F. Spencer 1996-4-2 s.n. Placer From Truckee River, adjacent to California Highway 89, approximately 150 to 300 m downstream of the River Road Trade Center. Comment
  UC1191976  Myriophyllum verticillatum Malcolm A. Nobs and S. Galen Smith 1949-8-21 1510 Placer Marsh between Sandy Beach and Agate Bay, N end of Lake Tahoe. Comment
  UC163971  Navarretia capillaris Mrs. Carlotta C. Hall 1910-6-25 8710 Placer Cisco 1850 Comment
  OBI11519  Navarretia capillaris R. F. Hoover 1967-9-5 10840 Placer Carnelian Bay, Lake Tahoe Comment
  UCD21972  Navarretia divaricata Beth Lowe Corbin 1982-8-18 366 Placer 1 mile SW of The Cedars. In sandy, disturbed soil along logging road in White Fir forest. Flowers white, aging to pink. Ful lsun. NE facing slope, 20% incline. Common. 1828 Comment
  CHSC83178  Navarretia eriocephala Beecher Crampton 1953-5-14 1273 Placer 3 miles north of Roseville, on Highway 99E. Along railroad right of way. Comment
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Aug 1 2011
  UC1040678  Navarretia eriocephala Beecher Crampton 1953-5-14 1273 Placer 3 mi n Roseville- (U.S. Hwy 99 E) Comment
  RSA91925  Navarretia eriocephala Beecher Crampton 1953-5-14 1273 Placer 3 miles north of Roseville, Hwy 99E. Comment
  UCD43346  Navarretia intertexta subsp. intertexta C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 714 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SD103799  Navarretia leptalea Darley Howe 1978-7-14 5069 Placer Along state highway 20, 29 miles west of truckee 1646 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
  POM75593  Navarretia leucocephala subsp. minima Marcus E. Jones 1882-6-30 10108 Placer Emigrant Gap. Comment
  UCD21971  Navarretia leucocephala subsp. minima Beth Lowe Corbin 1979-8-3 180 Placer Onion Creek campground. Disturbed ground in open, dry meadow. Small, annual herb with whitish to pale purple flowers. Full sun. Abundant. Southwest facing slope. 1841 Comment
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Sep 17 2015
  SD114166  Navarretia nigelliformis Darley F. Howe 1951-5-2 2110 Placer 4 mi. north of Auburn 456 Comment
  UCD34184  Navarretia pubescens Beecher Crampton 1977-9-18 9530 Placer Placer County, 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  UCD21175  Navarretia tagetina Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-5 350 Placer Orchard Creek Mitigation Bank. UTMs 10S0646175; 4300069. Comment
  UC112909  Nemacladus capillaris Katharine Brandegee 1908-7-18 Placer Cape Horn Comment
  UC24196  Nemophila maculata State Survey 1800-1 4566 Placer New Castle Comment
  SEINET5521022  Nemophila menziesii J. Ridley 1959-3-29 5 Placer 2 miles north of Roseville. In open field 1 miles east of highway 99 49 Comment
  SEINET5521026  Nemophila menziesii var. atomaria J. Vetter 1955-4-23 s.n. Placer Along iron mine road, 1/4 mile off U.S. 40. Iron mine turnoff 4 miles east of Auburn 549 Comment
  SEINET6744641 Image available Nemophila parviflora Marcus E. Jones 1882-1 2816 Placer Emigrant Gap, California Comment
  UCR208279  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2009-5-7 14633 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  RSA21253  Nemophila pedunculata Carl B. Wolf 1937-3-30 8367 Placer Sacramento Valley, 6 miles N of Roseville on road to Lincoln. 49 Comment
  UCD22023  Nemophila spatulata Rex Palmer 1979-6-9 N 173 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR121485  Nemophila spatulata George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5019 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCD126683  Nicotiana acuminata var. multiflora H. E. Catlin 1940-9-19 s.n. Placer Auburn. Comment
  UC905263  Odontostomum hartwegii Malcolm Nobs 1948-5-23 511 Placer on Hwy. 49 3/4 mi. n. of Rock Creek Comment
  UC169240  Oenothera cespitosa subsp. marginata Katharine Brandegee 1913-1 2048 a Placer Canyon of the Truckee Comment
  UC169244  Oenothera cespitosa subsp. marginata Katharine Brandegee June 1913 2047 K Placer Canyon of the Truckee Comment
  UCD150707  Oenothera elata subsp. hookeri James A. Neilson Jr. 1971-8-16 2401 Placer Tahoe Basin, Chamberlands. 1905 Comment
  UCD42964  Oreostemma peirsonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 333 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC196440  Orobanche corymbosa subsp. corymbosa C. F. Sonne 1885-8-2 Placer On Road to Lake Tahoe, road from Truckee. Comment
  CAS-BOT-BC474550  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 124 551 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
  UCD18250  Orthocarpus cuspidatus subsp. cryptanthus E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 462 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  POM82918  Osmorhiza berteroi Marcus E. Jones 1882-6-29 2734 Placer Emigrant Gap. Comment
  UCD21639  Osmorhiza berteroi Rex Palmer 1979-6-20 N 308 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA12409  Osmorhiza occidentalis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8537 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  SEINET4206031  Oxyria digyna W. D. Billings 1950-7-30 1919 Placer Northeast side of Squaw Peak, Sierra Nevada Range 2591 Comment
  SJSU10635  Oxyria digyna R. L. Fisher 1959-8-16 Placer Anderson Peak 2670 Comment
  JEPS72345  Paeonia brownii Gladys L. Smith and Betsy Wilson May 1972 3620 Placer Ward Peak; lower slopes 2255 Comment
  UC854375  Paeonia brownii Alice Eastwood Jun 15 1912-Jun 19 1912 362 Placer Deer Park Lake Tahoe Region Comment
  UCD124126  Panicum acuminatum var. fasciculatum Ellen Dean; Marcel Rejmanek 2012-10-9 7500 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
  POM116001  Panicum capillare Marcus E. Jones 1882-7-3 s.n. Placer Alta Comment
  SACT001653  Panicum pacificum Josephine Van Ess 1980-7-8 Placer Collected at Highway 49 bridge over American River. Wet rocky area. Comment
  UCD37739  Paspalum dilatatum Beecher Crampton 1961-9-27 5996 Placer Placer County, 1 mile west of Auburn, along U.S. Highway 40. Comment
  CDA42833  Paspalum distichum G. F. Hrusa, M. Pitcairn 2015-7-16 18656 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 231 Comment
  CAS-BOT-BC258774  Paspalum urvillei David D. Keck 1932-7-1 1595 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  UCR141668  Paspalum urvillei Beecher Crampton 1965-9-13 7499 Placer Sierra Nevada Mtns., Gold Run, Interstate Hwy 80 976 Comment
  CHSC73204  Pedicularis attollens L. P. Janeway; Eric Shroder 1998-9-16 6319 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
  SEINET3159812  Pedicularis attollens H. A. Walker 1470 Placer near Cisco Lake. Cisco Comment
  UC103240  Pedicularis groenlandica C. F. Sonne July 1892 Placer Mountains above Baldstream; Sierra Nevada Mountains Comment
  SEINET13751978  Pedicularis racemosa H. A. Walker 1908-7-29 1502 Placer Cisco 1829 Comment
  UCR242368  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2010-7-28 16677 Placer Northern Sierra Nevada Mountains, Robinson Flat campground near the junction of Forest Hill Road and Soda Springs Road, 27 miles northwest of the city of Foresthill 2040 Comment
  RSA425315  Pedicularis semibarbata Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] 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
  UC474211  Pellaea brachyptera Marcus E. Jones, A. M. 1882-5-28 3275 Placer Emigrant Gap Comment
  CAS-BOT-BC69377  Pellaea breweri Miss. M. E. B. Norton s.n. Placer Deer Park Springs, Sierra Nevada 2133 Comment
  CAS-BOT-BC67609  Pellaea bridgesii Alice Eastwood 1912-6-15 419 Placer Lake Tahoe Region - Deer Park Comment
  SEINET9885426  Penstemon azureus David J. Keil 1978-1 12930 Placer Cisco Grove exit from I-80, just E of Nevada Co line; around South fork of Yuba River 1768 Comment
  JEPS8274  Penstemon azureus Rimo Bacigalupi with Aldo Bacigalupi 1952-8-12 3923 Placer 1 1/2 mi w Cisco Grove Lodge (base of granite cliff along U.S.40); w of Cisco Grove Lodge 1676 Comment
  SDSU10918  Penstemon azureus D. F. Howe 1978-7-15 5072 Placer Rte 20, 27 miles W of Truckee. 1585 Comment
  POM44123  Penstemon azureus subsp. azureus Marcus E. Jones 1882-7-1 3436 Placer Emigrant Gap. 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
  NY571165  Penstemon azureus var. azureus L. S. Rose 1938-9-14 38261 Placer South Fork of Yuba River, Cisco 1615.4 Comment
  UC886813  Penstemon azureus var. azureus Lewis S. Rose 1938-9-14 38261 Placer South Fork of Yuba River, Cisco 1615 Comment
  UCD75733  Penstemon gracilentus Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5195 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, side of undeveloped road near hairpin turn. 2160 Comment
  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
Read comments
Nov 20 2007
  NY601764  Penstemon heterophyllus var. purdyi A. A. Heller 1917-6-19 12748 Placer 5 miles west of Colfax Comment
  UC887073  Penstemon heterophyllus var. purdyi A. A. Heller 1917-6-19 12748 Placer 5 mi w Colfax; w of Colfax Comment
  UCR261295  Penstemon laetus L. S. Rose 1968-6-9 68070 Placer Sierra Nevada Mtns., Alta 1067 Comment
  UCD75952  Penstemon newberryi Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5193 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
  JEPS59357  Penstemon newberryi var. newberryi Ezra Brainerd and Viola B. Baird 1915-7-9 107 Placer near camp at Bear Rock, Truckee River Sierra Nevada Mountains 1889 Comment
  CDA15754  Penstemon roezlii G. F. Hrusa, L. Serafini 1993-6-29 11255 Placer S side of French Meadows Reservoir immediately below dam. Comment
  UC146890  Penstemon roezlii Katharine Brandegee Placer Emigrant Gap Comment
  SEINET11120779  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2009-7-16 15225 Placer Sierra Nevada Mtns., Forest Hill Rd., 26.1 mi NE of Foresthill, ca. 3/4 mi NW of Sailor Flat. Duncan peak Comment
  JEPS82200  Penstemon rydbergii var. oreocharis Gladys L. Smith 1982-6-24 7426 Placer Goose Meadow 1828 Comment
  NY651287  Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit 2133.6 Comment
  RSA101445  Penstemon speciosus R. Weatherby 1955-6-22 1534 Placer Road to Spanish Peak lookout. 1829 Comment
  RSA437415  Penstemon speciosus Robert F. Thorne, J. Chandler 1987-6-26 5424 Placer CA Hwy 267, 3.2 mi S of Brockway Summit. Comment
  SEINET5329848 Image available Penstemon speciosus Frevitt 1932-7-5 s.n. Placer Tahoe Vista Comment
  SEINET9303988  Pentagramma triangularis Unknown 2009-5-7 14609 Placer Sierra Nevada Mountains Foothills Comment
  SEINET6626622  Pentagramma triangularis H. N. Mozingo 75 -5 Placer 2 miles east of Auburn, middle fork of American River Comment
  CHSC73914  Perideridia lemmonii Susi Urie 1998-8-28 98 -147 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 11 W']. 2115 Comment
  CHSC74182  Perideridia lemmonii Susi Urie 1998-8-26 98 -113 Placer Eastern end of Page Meadows; abot 1.5 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 10 30 W']. 2121 Comment
  UCD75700  Perideridia parishii Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5149 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
  SD7874  Persicaria amphibia Daniel Cleveland Aug 1873 Placer Truckee R., near Lake Tahoe Comment
  RSA293426  Petrorhagia dubia Reino Alava 1958-5-3 2021 Placer Near the Forestry Station at Auburn. 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
  SCFS855  Phacelia E. Krimmel 2013-6-29 Placer North Fork American River. Painted Rock Trail, Top Meadow. Comment
  UCR189629  Phacelia hastata var. compacta George 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
  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
  UC163972  Phacelia humilis Miss H. A. Walker 1910-6-13 2030 Placer near Deer Park; Tahoe District 1970 Comment
  JEPS59366  Phacelia hydrophylloides Ezra Brainerd and Viola B. Baird 1915-7-25 115 Placer Garden of the Gods Sierra Nevada Mts., Deer Park 2133 Comment
  SD243161  Phacelia hydrophylloides George K. Helmkamp, E. A. Helmkamp 2010-7-28 16662 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  UCD75688  Phacelia hydrophylloides Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5137 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  UC148969  Phacelia marcescens H. M. Hall 1910-6-11 8756 Placer Cisco Butte Sierra Nevada Mountains 1981 Comment
  UC881157  Phacelia marcescens Marcus E. Jones, A. M. 1882-6-27 3294 Placer Emigrant Gap Comment
  CHSC81790  Phacelia mutabilis Lowell Ahart 2001-10-10 9354 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  SEINET5507914  Phacelia nemoralis P. B. Kennedy, S. B. Doten 1901-8-18 416 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  CDA16037  Phacelia racemosa G. F. Hrusa, J. Glazner 2000-9-3 15676 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UC881202  Phacelia racemosa Alice Eastwood 1909-1 229 Placer Squaw Creek Lake Tahoe Region Comment
  UCD22018  Phacelia ramosissima Beth Lowe Corbin 1982-8-10 307 Placer 1.5 miles NW of Onion Creek Campground. 2057 Comment
  JEPS86486  Phacelia ramosissima var. montereyensis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6566 Placer ca 5 mi se Donner Lake (w of Tinker Knob); Sherman Chickering's Soda Springs holdings 2042 Comment
  SEINET5732662 Image available Philadelphus californicus Thomas G. Stewart 1973-1 37 Placer On Mosquito Ridge Road, 1.7 miles from its junction with Foresthill Road, east of Interstate 80. 1524 Comment
  CAS-BOT-BC77388  Philadelphus lewisii Marcus E. Jones 1882-7-3 3586 Placer Colfax Comment
  UC858324  Philadelphus lewisii Marcus E. Jones, A. M. 1882-7-3 3586 Placer Colfax Comment
  RSA0046097  Philadelphus lewisii Marcus E. Jones 1882-7-3 s.n. Placer Colfax. Comment
  RSA0057761  Philadelphus lewisii N. H. French, A. E. Wieslander 1933-6-18 79 Placer Middle Fork, American River. 457 Comment
  UCD161472  Philadelphus lewisii Jean Dougherty 1986-5-31 86- 27 Placer On Mosquito Ridge Road, 2 miles from junction of Forresthill Road [sic]. Comment
  SACT001740  Phleum alpinum James Grove 1977-7-15 Placer 2000.0 Comment
  SACT001756  Phleum pratense D. Meyer 1983-8-7 Placer Near gate into ski area parking lot, moist meadow with many sedges 207.0 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
  UC567162  Phlox gracilis N. French 1934-6-22 481 Placer 0.5 mi w Lake Van Norden; Truckee Quad. 2133 Comment
  UC702937  Phlox gracilis Lewis S. Rose 1941-7-8 41292 Placer Chambers Lodge (McKinney) Lake Tahoe 1920 Comment
  UCD22353  Phoenicaulis cheiranthoides Rex Palmer 1979-6-21 N 427 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD33615  Phoradendron juniperinum Beecher Crampton 1970-11-10 8654 Placer Placer County, Nyack. 1524 Comment
  SD254674  Phytolacca americana George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20090 Placer Sacramento Valley: South Dowd Road, 0.1 mile south of its juncion with Moore Road, SW of Lincoln (Pleasant Grove 7.5'Q) 34 Comment
  UCR253503  Phytolacca americana George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20090 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  UCR258219  Picris echioides George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20052 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  UCSB45757  Pilularia americana Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65. Comment
  UCD133146  Pinus attenuata Sue Nichol 2008-5-28 s. n. Placer Along Hwy 80. Southwest of Gold Run, on Magra Road northeast of Secret Town Road exit. Between Magra Road and the highway. 905 Comment
  SEINET5334492  Pinus attenuata P. L. Comanor, B. Clark; B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 mi. from end of railroad bridge on Calif. 194. Winding road,plot located on the right,past the parking area,down path approx. 60 m. Comment
  SEINET5334496  Pinus attenuata P. L. Comanor, B. Clark; B. O'Malia 1969-5-15 s.n. Placer Approx. 3 mi. west of Colfax plot (1.85 mi. from end of railroad bridge on CA 194) up a dirt road located 1/2 mile past Bear Creek bridge additional 4/10 about 6 m. Comment
  CAS-BOT-BC78460  Pinus contorta subsp. murrayana Ira L. Wiggins 1930-10-12 5081 Placer Donner Summit 2174 Comment
  OBI20153  Pinus contorta subsp. murrayana David J. Keil 1978-7-23 12943 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UC463414  Pinus contorta subsp. murrayana Ira L. Wiggins 1930-10-12 5081 Placer Donner Summit 2174 Comment
  SEINET11738786  Pinus contorta var. murrayana H. H. Heller 1934-1 s.n. Placer Lake Tahoe Comment
  UCD23233  Pinus lambertiana Beth Lowe Corbin 1982-8-20 394 Placer 1 mile northwest of Onion Creek campground. 2072 Comment
  SEINET5334657  Pinus lambertiana T. C. Frantz 1951-5-22 s.n. Placer between north end Lake Tahoe and highway at Nevada State line Comment
  NY42706  Pinus sabiniana J. B. Walker 1994-8-19 932 Placer 1km S of Weimar, at offramp of I-80 320 Comment
  SD112167  Pinus sabiniana Darley F. Howe 1948-5-22 1819 Placer 669 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
  SD180604  Plagiobothrys greenei Carol Witham, Jennifer Buck 2001-4-27 136 Placer 1.0 mile east along Athen Ave. from its intersection with Industrial Ave., pools are north of Athens and west of dirt road, Orchard Creek site, pool # OKC022. Comment
  CAS-BOT-BC230946  Plagiobothrys hispidulus Alice Eastwood 1912-6-15 444 Placer Lake Tahoe Region. Tahoe City Comment
  CAS-BOT-BC230951  Plagiobothrys hispidulus Alice Eastwood 1912-6-15 445 Placer Lake Tahoe Region. Tahoe City Comment
  CHSC73035  Plagiobothrys hispidulus L. P. Janeway 1998-8-6 5965 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  CAS-BOT-BC230948  Plagiobothrys hispidulus Alice Eastwood 1906-7-24 948 Placer Glen Alpine Region. Camp Agassiz Comment
  SD241781  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18646 Placer Sacramento Valley: along CA-193, 0.1 mile west of its junction with Sierra College Blvd. Wide flat between highway and oaks. 88 Comment
  POM71637  Plagiobothrys scouleri var. hispidulus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SD248357  Plagiobothrys stipitatus var. micranthus George K. Helmkamp 2013-3-28 20282 Placer Eastern Sacramento Valley: along 10th Street/Ranch House Road, 0.6 mile south of its juncton with Riosa Road in Sheriden (Lincoln 7.5'Q) 42 Comment
  UCR249588  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, Amy Barnes 2013-3-28 20282 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  CAS-BOT-BC189606  Plagiobothrys torreyi Alice Eastwood 1909-1-1 52 Placer Sunnyside, Lake Tahoe Region Comment
  UCD43975  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1341 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44533  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1899 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 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
  SJSU9113  Platanthera dilatata var. leucostachys N. D. Addy 1962-7-8 174 Placer Hwy 89, 1.5 mi N of Fallen Leaf Lake 1920 Comment
  UC1134745  Platanthera leucostachys N. French 1934-7-7 497 Placer Texas Hill Colfax Quad., , Tahoe National Forest Comment
  UC117003  Platanthera sparsiflora C. F. Sonne 1892-7-24 Placer woods on Truckee River Sierra Nevada Mountains, Truckee River Comment
  UC635444  Platystemon californicus Dorothy Tebbe 1930-4-5 94 Placer near Roseville; near Roseville Comment
  UCR257072  Plectritis ciliosa subsp. insignis George K. Helmkamp, Amy Barnes 2014-4-23 22784 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
  UC193029  Pleuricospora fimbriolata C. F. Sonne 1888-8-12 Placer on Truckee River Truckee River Comment
  SACT001779  Poa annua D. Meyer 1983-5-15 Placer In field at southeast corner 36.6 Comment
  SACT001784  Poa annua D. Meyer 1984-4-15 Placer 36.97 Comment
  SEINET7708966  Poa annua A. Tiehm, H. N. Mozingo; M. J Williams; E. McPherson 1975-1 604 Placer One mile north of Lincoln. Comment
  CAS-BOT-BC254759  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer Base of a cliff N of Summit hotel 2164 Comment
  CAS-BOT-BC254763  Poa bolanderi Lewis S. Rose 1944-7-26 44269 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  SACT001800  Poa bolanderi Michael Baad 1983-8-11 Placer To Five Lakes Basin, continuing 3.6 km west toward Whiskey Creek. 2072.0 Comment
  UCD75951  Poa bolanderi Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5192 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail. 2161 Comment
  UCD90682  Poa bulbosa Walter H. Johnson 1961-4-4 s.n. Placer 3 miles E of Lincoln. Comment
  UCR250355  Poa bulbosa George K. Helmkamp, Mary Alice Barnes 2013-5-3 20491 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
  SACT001824  Poa canbyi Michael Baad 1983-6-27 Placer 1570.6 Comment
  SACT001833  Poa compressa D. Meyer 1983-7-16 Placer 1212.0 Comment
  UCD34881  Poa compressa Beecher Crampton 1964-7-9 7111 Placer Placer County, Emigrant Gap, Hwy. 40. 1615 Comment
  CAS-BOT-BC255051  Poa compressa Beecher Crampton 1956-7-17 3722 Placer Along the railroad at Blue Canyon 1432 Comment
  CHSC67745  Poa cusickii subsp. epilis James D. Jokerst 1986-7-13 2715 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. 1859 Comment
  SACT001845  Poa gracillima Michael Baad 1983-8-21 Placer On road to lakes 3.8 km southwest of Soda Springs exit off of I80. 2019.0 Comment
  UCR171399  Poa leptocoma subsp. leptocoma George K. Helmkamp, E. A. Helmkamp 2005-9-30 9968 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
  SACT001873  Poa nervosa Michael Baad 1976-7-21 Placer Southwestern face of Lyon Peak descending to spring emptying into the Middle Fork of the American River. 16 km southeast of Soda Springs. 2377.0 Comment
  SACT001877  Poa nervosa Michael Baad 1976-7-17 Placer 3.2 km west of Alpine Meadows Ski Area, opening in red fir and lodgepole pine forest. 2133.0 Comment
  SACT001878  Poa nevadensis Michael Baad 1976-6-10 Placer 1.5 miles from French Meadows on trail to Robinson Flat, heavily forested zone with opening, white and red fir with incense cedar. 1612.0 Comment
  UCR146858  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Sierra Nevada Mountains, 0.75 mile west of Blue Canyon 1433 Comment
  SACT001903  Poa pratensis Michael Baad 1983-7-23 Placer 1/8 mile west of Highway 89 1828.0 Comment
  SACT001921  Poa pratensis D. Meyer 1983-8-20 Placer Moist roadside meadow, some revegetation following residential construction. 2000.0 Comment
  SACT001930  Poa pratensis D. Meyer 1984-7-21 Placer 1.4 km from Placer County Line moist shady streambank. 9 m from roadside. 1818.0 Comment
  SACT001982  Poa scabrella Michael Baad 1983-5-5 Placer .5 mile southeast of Canyon Way Road, descending to North Fork of American River 548.64 Comment
  SACT001986  Poa scabrella Michael Baad 1983-4-17 Placer 4 miles south of I80 411.48 Comment
  SACT001992  Poa scabrella Michael Baad 1977-6-1 Placer Along Beecroft Trail to North Fork, open rocky meadow. Comment
  UCD22233  Poa secunda subsp. juncifolia Rex Palmer 1979-6-21 N 410 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD33390  Poa secunda subsp. juncifolia Beecher Crampton 1967-7-26 8153 Placer Near Nevada County line in Kingvale on Interstate 80. 1950 Comment
  UCD92249  Poa secunda subsp. juncifolia Beecher Crampton 1969-7-1 8488 Placer 1/4 mile W of Emigrant Gap P.O. (Nyack Lodge). on Interstate Hwy 80 eastbound. 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
  UCD22227  Poa secunda subsp. secunda Beth Lowe Corbin 1982-8-4 218 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 15% incline. Locally common. Full sun. In rocky, fine, sandy soil in opening in montane chaparral. Perennial, forming small, dense tufts. 1950 Comment
  UCD90792  Poa secunda subsp. secunda Beecher Crampton 1955-6-15 2860 Placer 3 miles east of Weimar, on Forest Hill Road, just off US Hwy 40. Comment
  UCD91625  Poa secunda subsp. secunda A. A. Heller 1917-8-13 12917 Placer Ridge northwest of Donner Pass. 2377 Comment
  CAS-BOT-BC244157  Poa sierrae G. L. Stebbins, Jr. 1952-6-22 5101 Placer Along SE bank of American River, 1.5 miles NE of bridge on Colfax-Iowa Hill Road 365 Comment
  RSA0049711  Poa sierrae Dean Wm. Taylor 2013-6-19 21370 Placer Ralston Ridge (ca. 15 air miles E of Foresthill), along Forest Road 14N22C about 1.1 mile down from (North of) Forest Road 25 along the ridgecrest 1482 Comment
  SACT002013  Poa tenerrima Josephine Van Ess 1980-4-15 Placer Collected on hill south of parking area about 1.25 mile east of highway 49. Moist hillside slope in serpentine. 414.6 Comment
  SACT002017  Poa trivialis Michael Baad 1977-6-21 Placer Junction of Foresthill to Colfax road at Weimar 977.3 Comment
  CDA36886  Pogogyne serpylloides CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UC882679  Polemonium occidentale Alice Eastwood 1909-1 61 Placer Sunnyside Lake Tahoe Region, Sunnyside Comment
  JEPS127492  Polemonium occidentale subsp. occidentale Steve Matson 1997-8-9 162 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267. Comment
  POM365426  Polemonium pulcherrimum Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  CAS-BOT-BC170302  Polygala cornuta var. cornuta Marcus E. Jones 1882-7-3 3316 Placer Colfax Comment
  UC615110  Polygala cornuta var. cornuta Beryl O. Schreiber 1933-7-19 869 Placer 15 mi above Colfax Comment
  UCR240903  Polygala cornuta var. cornuta George K. Helmkamp, E. A. Helmkamp 2012-6-19 19216 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  RSA0115163  Polygala cornuta var. cornuta Lyman Benson 1953-8-13 15244 Placer U.S. 40 20 miles northeast of Auburn. Mt. Range: Sierra Nevada. 1524 Comment
  SEINET6647275 Image available Polygonum A. A. Heller 1917-1 12934 Placer Mount Lincoln S of Summit Valley 2438 Comment
  CAS-BOT-BC413937  Polygonum aviculare subsp. aviculare A. A. Heller 1917-8-12 12876 Placer Southern Pacific reservoir west of Emigrant Gap Comment
  POM104622  Polygonum bistortoides Marcus E. Jones 1903-6-28 s.n. Placer Emigrant Gap Comment
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Sep 7 2010
  UCD43211  Polygonum bistortoides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 580 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  POM165211  Polygonum californicum L. R. Abrams 1917-9-14 6754 Placer Betw Roseville and Peuryn Comment
  CAS-BOT-BC414539  Polygonum douglasii Alice Eastwood 1909-1-1 s.n. Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC414542  Polygonum douglasii Peter Rubtzoff; Edward W. Colson 1976-7-6 8722 Placer Lake Van Norden 2063 Comment
  JEPS126266  Polygonum minimum Steve Matson 2003-9-6 953 Placer nSNH; Truckee River Watershed, 5 air miles west of Tahoe City; Alpine Meadows ski area. Comment
  UCD100473  Polygonum minimum D. Sanchez-Mata; S. Rivas, M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 s.n. Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. 1850 Comment
  UCD21930  Polygonum minimum Beth Lowe Corbin 1982-8-16 352 Placer 1/2 mile NW of Onion Creek campground. In loose, rocky outcrop in montane chaparral. Calyx white. Stems reddish. Full sun. SE facing slope, 30% incline. Locally common. 2042 Comment
  SD102787  Polygonum phytolaccifolium Darley F. Howe 1978-7-15 Placer Along state highway 20, 27 miles west of Truckee 1584 Comment
  UCD42814  Polygonum polygaloides subsp. confertiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 180 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC420033  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1912-6-15 442 Placer Tahoe City, Lake Tahoe Region Comment
  CAS-BOT-BC420034  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1909-1-1 27 Placer Lake Tahoe Region. Sunnyside Comment
  JEPS126278  Polygonum polygaloides subsp. kelloggii Steve Matson 2002-7-14 570 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267; just west of Northstar Golf Course. Comment
  SDSU9657  Polygonum punctatum D. F. Howe 1961-8-8 3139 Placer By canal, 4 miles north of Auburn. 457 Comment
  UCR250652  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20372 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  CAS-BOT-BC232991  Polypogon australis Saichi Kawahara 1969-7-6 1449 Placer E bank of Indian Creek, Mel Henderson Ranch 987 Comment
  POM264547  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer Near Auburn, bank of branch Rubicon River. Comment
  SACT002031  Polypogon monspeliensis Michael Baad 1977-6-9 Placer Collected at junction of Middle Fork of American River and Rubicon River 365.76 Comment
  JEPS14358  Polystichum imbricans subsp. imbricans Rimo Bacigalupi, et al. 1952-7-19 3854 Placer below Cape Horn (1/2 mi above bridge on Colfax-Iowa Hill rd.); N Fork American River 381 Comment
  UCD162496  Polystichum imbricans subsp. imbricans G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12966 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 15 miles east of Foresthill. 832 Comment
  CAS-BOT-BC76757  Polystichum imbricans subsp. imbricans Fay A. Mac Fadden 1933-7-11 10946 Placer Canyon Creek, Monte Sita Inn Comment
  RSA3403  Populus balsamifera subsp. trichocarpa Carl B. Wolf 1931-9-11 2422 Placer near creek, 7 miles below summit of Donner Pass, W slope of Sierra Nevada 1829 Comment
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Aug 27 2010
  CAS-BOT-BC102699  Populus tremuloides C. B. Wolf 1931-9-10 2420 Placer near R.R. between Tahoe Tavern and head of Truckee River (gates) 1920 Comment
  CAS-BOT-BC105580  Populus trichocarpa Geo. B. Grant 1906-7-15 7032 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  OBI20169  Populus trichocarpa David J. Keil 1978-7-23 12934 Placer Cisco Grove exit from I-80, just E of Nevada Co. line 1768 Comment
  JEPS126367  Porterella carnosula Steve Matson 2003-6-9 791 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards north of Highway 267; 200 yards west of Martis Creek. Comment
  CAS-BOT-BC142030  Potentilla drummondii Peter Rubtzoff 1976-9-19 8865 Placer Lake Van Norden, meadow adjacent to the east end of lake - Sierra Nevada 2063 Comment
  UC191285  Potentilla flabellifolia C. F. Sonne 1897-7-18 Placer near Tinker's Knob; near Tinker's Knob 2438 Comment
  CHSC74701  Potentilla glandulosa subsp. nevadensis Susi Urie; Eric Schroder 1998-9-8 98 -280 Placer Lake Tahoe Basin. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CDA15673  Potentilla glandulosa subsp. reflexa G. F. Hrusa, J. Glazner 1999-7-18 15220 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CAS-BOT-BC158436  Potentilla glaucophylla var. glaucophylla L. S. Smith 1925-6-27 1659 Placer Tahoe National Forest. Tahoe Camp Ground & Ward Cr. 1905 Comment
  CHSC73080  Potentilla gracilis var. fastigiata L. P. Janeway 1998-8-6 5967 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC73990  Potentilla gracilis var. fastigiata Susi Urie 1998-8-11 98 -015 Placer Lake Tahoe Basin. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  UCD113901  Potentilla gracilis var. fastigiata Beecher Crampton 1972-7-26 8839 Placer Carpenter Flat, east of Emigrant Gap. 1645 Comment
  UC632147  Potentilla gracilis var. fastigiata Beryl O. Schreiber 1932-9-11 769 Placer e Cisco; e of Cisco Comment
  HSC33423  Potentilla gracilis var. flabelliformis Thomas W. Nelson, James Nelson 1974-6-17 1375 Placer Dollar Point N of Lake Tahoe City 1585 Comment
  UCD113978  Poterium sanguisorba G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11217 Placer Northern Sierra Nevada Mtns: along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  CAS-BOT-BC64621  Primula suffrutescens C. F. Sonne 1897-8-14 s.n. Placer E. slope of Mt. Anderson. Comment
  CDA12395  Primula suffrutescens G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8523 A Placer Lake Tahoe; W end of Ward Valley, 4 miles SW of Tahoe City. Comment
  POM131210  Primula suffrutescens C. F. Sonne 1895-08 s.n. Placer E slope Mt. Anderson S of summit. 2439 Comment
  UC480743  Primula suffrutescens W. C. Blasdale 1923-7-13 Placer Mount Ellis (Tahoe) Mount Ellis; Lake Tahoe Region, Mount Ellis (Tahoe) Comment
  POM89355  Prunus emarginata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  UCD22281  Prunus emarginata Rex Palmer 1979-5-26 N 13 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  UCD22282  Prunus emarginata Rex Palmer 1979-7-12 N 642 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR209727  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15433 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
  UCR170815  Pseudognaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2005-9-30 9955 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  CAS-BOT-BC357341  Pseudognaphalium microcephalum John Thomas Howell 1943-7-25 18805 Placer West side of Donner Pass near Norden 2133 Comment
  JEPS14031  Pseudognaphalium thermale Rimo Bacigalupi with G. L. Stebbins, D. Zohary, J. Hunziker, F. Ehrendorfer, A. Hawkes, H. Stutz 1952-7-19 3852 Placer below Cape Horn sta. on S.P RR (0.5 mi above bridge on Colfax-Iowa Hill road); North Fork of American River 381 Comment
  SEINET4856245  Pseudostellaria sierrae Ronald L. Hartman 1997-7-11 58546 Placer Near campsite ca 200 yards from Foresthill Road, 2-2.5 road mi W from Sailor Flat trail turn-off. Comment
  JEPS48285  Pseudotsuga menziesii var. menziesii L. S. Smith 1914-8-1 Placer Cisco Comment
  SEINET5334812  Pseudotsuga menziesii var. menziesii J. Vetter 1956-4-16 s.n. Placer On U.S. highway 40, about 1 mile west of Baxter 1067 Comment
  UCR198415  Psilocarphus brevissimus var. brevissimus George K. Helmkamp, E. A. Helmkamp 2008-4-17 13289 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  CAS-BOT-BC361844  Psilocarphus oregonus John Thomas Howell; Gordon H. True 1971-5-26 47635 Placer Northern limits of Lincoln 48 Comment
  JEPS59377  Pterospora andromedea Ezra Brainerd and Viola B. Baird 1915-7-28 125 Placer Bear Rock along trail of the Truckee River 1920 Comment
  UC1128546  Purshia tridentata var. tridentata D. Schlobohm 1934-10-2 3 Placer 3 mi s Truckee; Tahoe National Forest, Truckee Quad. 1859 Comment
  UC480727  Purshia tridentata var. tridentata W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak; Lake Tahoe Region Comment
  UC32708  Pyrola asarifolia A. M. Carpenter 1892-8 Placer collected in Placer Co. California Comment
  RSA147866  Pyrola picta J. B. Feudge 1927-7-18 1726 Placer West of Emigrant Gap. 1524 Comment
  SACT002682  Quercus Josephine Van Ess 1978-9-8 Placer Collected on horsetrail north from boat launhcing area. Only a short way along the trail going up over small ridge. Among other oaks on south-facing hill. 176.8 Comment
  UCD40290  Quercus Rodney Gale Myatt 1972-6-1 s.n. Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  CAS-BOT-BC62426  Quercus chrysolepis Miss. A. Eastwood 1894-9-1 s.n. Placer Colfax Comment
  JEPS46635  Quercus chrysolepis H. L. Mason Oct 1932 Placer 3 mi above Colfax Comment
  SACT002614  Quercus chrysolepis Michael Baad 1976-8-4 Placer Collected on shores of lakes and northwest facing slope of Mildred Ridge Comment
  NY8503  Quercus chrysolepis J. C. Frémont 1845-12-5 s.n. Placer Sierra Nevada Comment
  CDA20383  Quercus chrysolepis var. chrysolepis P. Akers 2002-4-14 s.n. Placer Northern California; Ponderosa Way, S of Weimar. 0 Comment
  SACT002608  Quercus dumosa Josephine Van Ess 1978-2-21 Placer Collected near bridge at edge of wooded area, somewhat open. 365.8 Comment
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Nov 20 2014
  CAS-BOT-BC79594  Quercus durata G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; Juan Hector Hunziker; H. Stutz; Daniel Zohary 1952-7-20 5130 Placer 9 miles NE of Forest Hill on road to Iowa Hill 1127 Comment
  UCD40933  Quercus durata Sook Hong 1989-5-20 1 Placer Dry slope at the base of the waterfall along the road. 701 Comment
  SACT002144  Quercus kelloggii 1980-3-12 Placer collected about 1/3 way down to the river, wooded slope 335.4 Comment
  SEINET10431542  Quercus kelloggii W. D. Billings 1940-5-18 s.n. Placer Gold Run. Comment
  CAS-BOT-BC104588  Quercus vacciniifolia Mary P. Wells 1980-9-11 s.n. Placer Sierra Nevada. West of Pioneer Way in forest. Tahoe City 1981 Comment
  SACT002706  Quercus vacciniifolia Michael Baad 1976-7-17 Placer Trail to five lakes, 1 mile west of Alpine Meadows Ski Area. Open brushy slopes of granite. 2072.0 Comment
  UC1135818  Quercus vacciniifolia G. T. Nordstrom 1934-6-18 104 Placer 0.25 mi se top of Texas Hill; Tahoe National Forest, Colfax Quad. 1615 Comment
  UCD21489  Quercus vacciniifolia Rex Palmer 1979-6-9 N 146 Placer Headwaters basin area of the North Fork of the American River 2346 Comment
  SACT002715  Quercus vacciniifolia Michael Baad 1983-7-10 Placer 0.8 mile by road southeast of east fork of north fork of north fork of American River on road to Hellister Point from Emigrant Gap. Comment
  SEINET10437506  Quercus vacciniifolia T. C. Frantz 1951-5-22 s.n. Placer N end of Lake Tahoe, next to NV state line. Comment
  UCSC010002  Quercus wislizeni Al Keuter 2014-9-1 AK 00 -110 Placer Near 4850 Douglas Boulevard, Granite Bay. 92 Comment
  SACT002729  Quercus wislizeni Josephine Van Ess 1976-9-8 Placer Collected in vicinity of Juergenson Ranch. Roadside in open pastureland. 335.3 Comment
  SEINET3246067  Quercus wislizeni var. wislizeni G. K. Helmkamp, E. A. Helmkamp 2007-1 11710 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks. 287 Comment
  UCD47511  Quercus wislizeni var. wislizeni M. H. Mills 1996-4-12 142 Placer Placer County, 5830 Walden Lane, Loomis. T 11N, R 8E, Sect. 19, SW 1/4. 180 Comment
  UCSB32122  Quercus wislizeni var. wislizeni Pulsifer Ames, Mary; Bingham, R. Placer Auburn Comment
  JEPS86475  Raillardella argentea L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6553 Placer ca 5 mi se Donner Lake (e of Tinker Knob, Sherman Chickering's Soda springs holdings) 2621 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
  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-BC379276  Ranunculus alismifolius var. alismellus A. A. Heller 1917-6-17 12712 Placer low, grassy places along the Yuba river below Cisco 1676 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
  JEPS72152  Ranunculus alismifolius var. alismellus Gladys L. Smith 1972-6-18 3151 Placer cliff above Alpine Meadows 2133 Comment
  UC9357  Ranunculus alismifolius var. alismifolius J. Burtt Davy Jun 25 1897-Jun 30 1897 3260 Placer near Deer Park Inn; Truckee River Basin Comment
Read comments
Aug 8 2010
  SEINET5338276  Ranunculus alismifolius var. hartwegii P. A. Lehenbauer 1926-4-25 1324 Placer Squaw Creek Comment
  CAS-BOT-BC378966  Ranunculus bonariensis J. W. Congdon 1894-4-2 s.n. Placer Roseville Comment
  SJSU9858  Ranunculus flammula R. L. Fisher 1982-9-14 Placer Yuba Gap, Hwy 40 1676 Comment
  UC9441  Ranunculus hebecarpus H. N. Bolander 1865-4-10 4510 Placer Auburn Comment
  UC9442  Ranunculus hebecarpus H. N. Bolander 1865-4-16 4575 Placer Forest Hill Comment
  POM149892  Ranunculus hystriculus Katherine Brandegee 1909-4-28 92 Placer In the Sierra Nevada foothills. Comment
  UC1607879  Ranunculus muricatus C. G. Nast 1936-4-12 127 Placer Auburn Comment
  UCR208589  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2009-5-11 14665 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 2.7 miles south of its junction with Forest Hill Road. c. 0.15 mi. NNW of site of Michigan Bluff 1101 Comment
  SEINET5338805  Ranunculus occidentalis S. Seher 1967-4-8 s.n. Placer 10 miles west of Auburn, Calif., on Highway 40. 488 Comment
  SEINET210456  Ranunculus occidentalis var. eisenii C. L. Hitchcock 1940-5-7 6312 Placer Ca 1 mi W of Baxter Comment
  SEINET5338829  Ranunculus occidentalis var. eisenii M. Demorest 1962-3-15 s.n. Placer Junction of North and Middle Forks of the American river, 4 miles from Auburn. 274 Comment
  CDA13665  Ranunculus orthorhynchus var. orthorhynchus G. F. Hrusa, J. Glazner 1997-8-3 14025 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Colony with numerous individuals in central, wettest part of meadow. Comment
  UCD44651  Ranunculus orthorhynchus var. orthorhynchus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2017 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UC9469  Ranunculus orthorhynchus var. orthorhynchus Mrs. M. M. Hardy 1893-1 Placer Comment
  UC838062  Ranunculus uncinatus Marcus E. Jones, A. M. 1882-6-28 3308 Placer Emigrant Gap Comment
  UCD115182  Raphanus sativus G. K. Helmkamp; E. A. Helmkamp 2006-2-9 10062 Placer Northern Central Valley, Clark Tunnel Road and CA Highway 193, East of Lincoln. 113 Comment
  CAS-BOT-BC59532  Rhamnus alnifolia Gordon H. True 1973-5-27 7499 Placer West bank of Truckee River at Deer Creek ca. 6 miles south of Truckee and 1 mile north of Squaw Valley 1841 Comment
  CAS-BOT-BC59533  Rhamnus alnifolia Gordon H. True 1973-5-27 7498 Placer Deer Creek ca. 6 mi. S. of Truckee & 1 mi. north of Squaw Valley 1889 Comment
  UC592917  Rhamnus alnifolia Carl B. Wolf 1937-9-4 Placer 1 mi e Deer Park (nw of Lake Tahoe); Sierra Nevada 1981 Comment
  SEINET13946287 Image available Rhamnus californica W. A. Weber, Lewis S. Rose 1953-1 8400 Placer 4 mi N of Auburn, 1600 ft alt. 488 Comment
  UCR190921  Rhamnus rubra George K. Helmkamp, E. A. Helmkamp 2007-5-23 12068 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  RSA30396  Rhamnus rubra subsp. obtusissima A. A. Heller 1917-6-19 12736 Placer Dry gravelly ridge, Emigrant Gap. 1616 Comment
  POM85017  Rhamnus tomentella subsp. tomentella Marcus E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
Read comments
Sep 3 2010
  SEINET8506852  Rhodiola integrifolia subsp. integrifolia W. D. Billings 1950-7-30 1916 Placer Northeast side of Squaw Peak, Sierra Nevada 2560 Comment
  CAS-BOT-BC56652  Rhododendron occidentale C. L. Hitchcock 1940-5-14 6399 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  UCD117938  Rhododendron occidentale A. A. Heller 1917-6-19 12743 Placer 8 miles east of Colfax. Comment
  CDA26520  Rhododendron occidentale var. californicum G. F. Hrusa 1993-6-29 9882 Placer Sierra Nevada; Placer Big Trees Redwood Grove. Mosquito Ridge Rd. below French Meadows Reservoir. Comment
  UC466050  Ribes C. F. Sonne May 1896 1569 Placer Canyon Creek, Towle Station [inferred from other Sonne collections. This label reads Fowler Sta.] Comment
  UC212402  Ribes cereum G. B. Grant 1902-7-17 1458 Placer Alta Peak Comment
  UCSB16432  Ribes cereum var. cereum Breedlove, Dennis 1962-6-13 Placer on steep bank of Truckee River; 7.0 miles south of Truckee; Sierra Nevada 1828 Comment
  JEPS127482  Ribes inerme var. inerme Steve Matson 1998-6-14 232 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork Snow Creek; bog at western terminus of North Ave dirt extension Comment
  CAS-BOT-BC219173  Ribes nevadense A. A. Heller 1917-6-17 12725 Placer Cisco 1828 Comment
  SCFS11529120  Ribes nevadense E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  SCFS11529124  Ribes roezlii E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UC974958  Ribes roezlii Lewis S. Rose 1940-6-1 40449 Placer 3 mi nw Tahoe City; Truckee River 1889 Comment
  UCD22360  Ribes roezlii Rex Palmer 1979-5-26 N 12 Placer Headwaters basin area of the North Fork of the American River. 2011 Comment
  SCFS5087  Ribes roezlii F. Felix, Erica Krimmel 2013-5-19 28 Placer North Fork American River, Serena Creek Junction with North Fork American River Comment
  SEINET5339779  Ribes roezlii P. A. Lehenbauer 1932-6-12 s.n. Placer Reclamation Camp, Tahoe City Comment
  CAS-BOT-BC186210  Ribes roezlii var. roezlii Alice Eastwood 1922-4-6 11119 Placer 3 miles above Colfax near the road Comment
  CAS-BOT-BC168770  Ribes viscosissimum L. S. Smith 1925-9-16 1735 Placer Blackwood Canyon Sec. 4 along road 1981 Comment
  CAS-BOT-BC168775  Ribes viscosissimum Julia McDonald 1914-6-1 s.n. Placer Homewood Comment
  CAS-BOT-BC362923  Rigiopappus leptocladus G. L. Stebbins 1978-5-28 7879 Placer West side of Big Crater 1280 Comment
  UCD14914  Rorippa Beth Lowe Corbin 1982-8-17 363 Placer California, Placer Co.; 1 2/3 miles southwest of The Cedars; 1813 Comment
  CAS-BOT-BC74622  Rorippa curvisiliqua Alice Eastwood 1912-6-15 452 Placer Lake Tahoe Regin. Deer Park. 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
  UC147568  Rorippa curvisiliqua Harriet A. Walker 1908-6-23 1208 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC74623  Rorippa curvisiliqua Wm. Vortriede 1928-1-1 s.n. Placer Lake Tahoe. Comment
  RSA0009355  Rorippa curvisiliqua Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  SEINET4560834  Rosa californica George K. Helmkamp, E. A. Helmkamp 2010-1 17026 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
  UCR231870  Rosa californica George K. Helmkamp, E. A. Helmkamp 2010-10-16 17026 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-BC147021  Rosa woodsii subsp. ultramontana C. B. Wolf 1931-9-10 2421 Placer Near R.R. between Tahoe Tavern and head of Truckee River (gates) 1920 Comment
  UCD99903  Rubus armeniacus Lindsay Clark 2008-6-10 FHD 2 Placer Next to American River at Driver's Flat Staging Area, 14.5 miles northeast of Auburn. 209 Comment
  POM366398  Rubus discolor Wm. Martin 1971-9-10 20214 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  RSA0009766  Rubus glaucifolius Marcus E. Jones 1882-6-28 3309 Placer Emigrant Gap. Comment
  SEINET7705864  Rubus parviflorus P. A. Lehenbauer 1933-8-6 2305 Placer Tahoe, near Homewood Comment
  UCD164607  Rubus ursinus Brandi Sorensen 1995-6-1 25 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCD17695  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 20 Placer California. Placer County: corner of Grass Valley Highway and Sawyer Court in Auburn. Comment
  CDA2876  Rumex acetosella G. M. Cole 1928-5-2 Placer Near Auburn. 0 Comment
  POM308874  Rumex acetosella Betty J. Jorgensen 1944-7-23 533 Placer Near Soda Springs. Comment
  UCD43171  Rumex acetosella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 540 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC422032  Rumex acetosella John Thomas Howell; Gordon H. True 1972-3-17 7084 Placer Northern outskirts of Lincoln 48 Comment
  CAS-BOT-BC422036  Rumex acetosella Betty J. Jorgensen 1944-7-23 533 Placer Near Soda Springs Comment
  UCR234161  Rumex crispus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17160 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  CDA24985  Rumex salicifolius var. triangulivalvis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  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
  CAS-BOT-BC434298  Rumex triangulivalvis Beecher Crampton 1972-7-26 8847 Placer Carpenter Flat east of Emigrant Gap. Dry slope above Laings road. 1615 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
  UCD22306  Salix Beth Lowe Corbin 1982-8-9 278 Placer 1/3 mile SW of Onion Creek campground. Shrub 13' high. Bark pale, somewhat flaky. Full sun. South facing slope, 15% incline. Uncommon. 1859 Comment
  CAS-BOT-BC103614  Salix eastwoodiae W. R. Dudley 1900-6-1 5353 Placer west end of Independence Lake at foot of Mt. Lola Comment
  UCD22317  Salix eastwoodiae Rex Palmer 1979-7-11 N 585 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC103619  Salix eastwoodiae 1931-7-12 2592 a Placer along Mt. Rose Trail, Tahoe N.F. 2590 Comment
  CHSC13911  Salix geyeriana E. L. Smith 1971-6-17 973 A Placer At s end of Martis Valley ca. 11 kn se of Truckee. 1800 Comment
  UC1786422  Salix geyeriana Edward L. Smith 1965-6-7 676 b Placer Maris Valley, 6 miles se of Truckee 1828 Comment
  UCD42826  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 192 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  RSA129736  Salix geyeriana var. argentea H. S. Yates 1934-6-29 3917 Placer Near Tahoe City. 1921 Comment
  CAS-BOT-BC107864  Salix gooddingii Gordon H. True 1968-7-9 4296 Placer Edge of roadside ditch, East of Sheridan, 5.5 miles west of Camp Far West Reservoir Comment
  CAS-BOT-BC106880  Salix jepsonii W. R. Dudley 1900-6-24 5527 Placer Lake shore above McKenneys Comment
  CAS-BOT-BC249045  Salix jepsonii George K. Helmkamp; E. A. Helmkamp 2010-7-28 16671 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  UCD80749  Salix laevigata CNPS SN Foothill Team 2005-4-13 SNFN 0107 d Placer Placer Legacy, located on Didion Ranch, east of Spear's Ranch, on the north bank of Coon Creek, approximately 500 meters west of the east boundary of the study area. 143 Comment
  CHSC13915  Salix lasiolepis E. L. Smith 1971-6-16 957 Placer Corner of Deer and Golden Sts. Next to Golden Deer Motel at King's Beach. Comment
  UCD111642  Salix lasiolepis Michael Persichetty 2007-6-5 1 Placer Alta. North side of Spaulding Point. 1219 Comment
  UCD58335  Salix lasiolepis Michael Persichetty 2007-6-6 2 A Placer Alta. North side of Spaulding Point. 1219 Comment
  CAS-BOT-BC124748  Salix lemmonii A. A. Heller 1917-6-19 12735 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC124751  Salix lemmonii A. A. Heller 1917-6-19 12735 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC124757  Salix lemmonii W. R. Dudley 1900-6-14 5096 Placer East of hotel at Summit Comment
  CAS-BOT-BC124761  Salix lemmonii A. A. Heller 1917-6-17 12688 Placer along the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC124767  Salix lemmonii Gordon H. True 1968-7-10 4365 Placer Hwy 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Road 1554 Comment
  CAS-BOT-BC124772  Salix lemmonii W. R. Dudley 1900-6-14 5067 Placer Between Donner Lake and Summit Comment
  CAS-BOT-BC124778  Salix lemmonii W. R. Dudley 1900-6-14 5108 Placer northwest of Lake Mary, near Summit Comment
  CAS-BOT-BC124784  Salix lemmonii W. R. Dudley 1900-6-14 5111 Placer Valley northwest of Lake Mary, near Summit 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
  UCD22315  Salix lemmonii Rex Palmer 1979-6-21 N 416 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET10412519  Salix lemmonii T. C. Frantz 1951-4-22 s.n. Placer 5 miles E of Truckee. Comment
  CDA25006  Salix lucida subsp. lasiandra J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CDA39546  Salix lucida subsp. lasiandra H. H. Keifer 1956-7-14 s.n. Placer Rocklin. 0 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
  SD43607  Salix scouleriana Darley F. Howe 1948-5-22 Placer Placer County 1219 Comment
  UC1135086  Salix scouleriana B. Bolt 1934-7-23 162 Placer end of rd. from Westville (Plot 249); Tahoe Nat'l Forest, Colfax Quad. Comment
  UCR240962  Sambucus mexicana George K. Helmkamp, E. A. Helmkamp 2012-9-25 19913 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
  UCD137668  Sambucus nigra subsp. caerulea M. H. Mills 1996-4-26 169 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCD22158  Sambucus nigra subsp. caerulea Beth Lowe Corbin 1982-8-10 304 Placer 1 1/2 miles WNW of Onion Creek Campground. 2011 Comment
  UC148977  Sambucus racemosa var. microbotrys H. M. Hall July 1910 8726 Placer Fordyce Creek Sierra Nevada Mountains 2103 Comment
  CAS-BOT-BC235192  Sambucus racemosa var. racemosa Mrs. Marian Campbell 1920-6-28 s.n. Placer Lake Tahoe Region. Heather Lake Comment
  RSA0093628  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2012-6-19 19214 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  SD241173  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2011-7-9 17673 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 1.4 miles northwest of the city of Foresthill (Foresthill 7.5'Q) 764 Comment
  UCR231850  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-8-11 16753 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  UCR231868  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17017 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UCR249589  Sanguisorba minor subsp. muricata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20802 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  CAS-BOT-BC223279  Sanicula bipinnatifida Alice Eastwood 1912-6-28 497 Placer Colfax Comment
  CDA19549  Sanicula bipinnatifida M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 239 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
  SD44660  Sanicula bipinnatifida Darley F. Howe 1951-5-1 2103 Placer 455 Comment
  UC420483  Sanicula bipinnatifida C. F. Sonne 1891-5-17 1465 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
  UCD15164  Sanicula crassicaulis Phyllis Adams 1982-5-30 56 Placer California, Placer Co.; in the American River Canyon; Comment
  UC1022500  Sanicula crassicaulis C. Ritchie Bell 1952-4-19 3 X417-3 Placer 1.6 mi n of the Placer-El Dorado County Line (above California Hwy 49) Comment
  UC875487  Sanicula graveolens Lewis S. Rose 1940-6-2 40459 Placer 10 mi n of Tahoe City (Truckee River); Truckee River 1828 Comment
  CDA12400  Sanicula tuberosa G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8528 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CHSC82521  Sanicula tuberosa Lowell Ahart 2002-7-22 9876 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
  SD247300  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19246 Placer Northern Sierra Nevada Mountains: Robinson's Flat, 27 miles east of Forest Hill at the end of Forest Hill Road. 2040 Comment
  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
  UC171012  Sanicula tuberosa C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UC875539  Sanicula tuberosa A. A. Heller 1917-6-17 12863 Placer below Cisco (along the Yuba River); Yuba River 1676 Comment
  UCD21668  Sanicula tuberosa Rex Palmer 1979-6-9 s.n. Placer Headwaters basin area of the North Fork of the American River. Mount Lincoln. Comment
  UC1598738  Sanicula tuberosa Mrs. M. M. Hardy 1893-1 Placer in Placer County Placer County Comment
  CAS-BOT-BC436879  Saxifraga John H. Thomas; Hazelle A. Thomas 1956-7-21 6136 Placer Vicinity of Donner Pass about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  POM308716  Saxifraga aprica Betty J. Jorgensen 1944-6-24 492 Placer Cascade Lakes about 6 miles SW of Soda Springs. Comment
  UC858868  Saxifraga californica Marcus E. Jones, A. M. 1882-7-1 3587 Placer Emigrant Gap Comment
  UCSC003621  Saxifraga californica Barbara Ertter, David Thompson 1989-4-9 8182 Placer Bridge over Shirttail Canyon west of Yankee Jim's, ca 4 air miles W of Foresthill. Shrittail Canyon, west of Yankee Jim's 305 Comment
  POM260122  Scandix pecten-veneris C. L. Hitchcock 1940-5-7 6353 Placer ca. 1 mile west of Baxter Comment
  SD240827  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2012-3-31 18664 Placer Northern Sierra Nevada Mountains Foothills: Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing (Auburn 7.5'Q) 257 Comment
  SD43660  Scandix pecten-veneris Darley F. Howe 1948-5-21 1915 Placer 455 Comment
  SEINET5337094  Scleranthus C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer 1/2 mile east of junct. of old and new Auburn--forest hills road. 792 Comment
  POM42824  Scrophularia californica subsp. floribunda Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  JEPS62899  Scutellaria californica Leland S. Smith 1925-7-14 1670 Placer Middle Fork American River, French Meadows Middle Fork American River; Tahoe National Forest, , French Me Comment
  POM70094  Scutellaria californica Marcus E. Jones 1882-6-30 2594 Placer Emigrant Gap. Comment
  HSC95514  Scutellaria californica James D. Jokerst 1988-6-6 3008 Placer Long Creek Hydro Project, 1 mi. W of Ramsey Crossing, N of Long Canyon Creek 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
  SD125412  Sedum obtusatum Beth Lowe Corbin 1982-8-10 299 Placer 1.25 mile westnorthwest of Onion Creek Campground. 1980 Comment
  JEPS72358  Sedum rosea subsp. integrifolium Gladys L. Smith 1972-6-18 3152 Placer volcanic cliff above Alpine Meadows; volcanic cliff above Alpine Meadows 2133 Comment
  SEINET3161900  Sedum spathulifolium M. E. Jones 1882-6-30 3345 Placer Emigrant Gap Comment
  UCR235594  Sedum spathulifolium George K. Helmkamp, E. A. Helmkamp 2012-5-5 18923 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  UCD102080  Sedum spathulifolium Noel F. Sommer 1954-5-19 102 Placer 2.9 miles southeast of U.S. Highway 40 on road originating 2.5 miles north of Weimar and going east to Foresthill. 762 Comment
  SDSU464  Senecio aronicoides unknown 1948-5-23 1922 Placer American River. 305 Comment
  UCD135552  Senecio integerrimus var. exaltatus Arthur D. Haig 1956-5-23 s.n. Placer 2 miles south of Truckee. Comment
  CAS-BOT-BC363998  Senecio integerrimus var. major M. E. Parsons 1909-1-1 s.n. Placer Lake Tahoe Region. Near Tahoe Tavern Comment
  CAS-BOT-BC364028  Senecio integerrimus var. major H. D. Ripley; R. C. Barneby 1948-7-13 9828 Placer Yuba Gap, Placer-Nevada Co. line 1828 Comment
  CAS-BOT-BC364032  Senecio integerrimus var. major Dr. A. Kellogg 1870-6-14 s.n. Placer Cisco, Sierra Nevada Mts Comment
  CDA16999  Senecio integerrimus var. major G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16052 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  JEPS72238  Senecio integerrimus var. major Gladys L. Smith 1972-6-20 3232 Placer from chairlift terminus to ultimate summit peak Ward Peak 2632 Comment
  UCD21786  Senecio integerrimus var. major Beth Lowe Corbin 1982-8-9 277 Placer 1/4 mile SW of Onion Creek campground. In fine, sandy soil. Opening in White Fir forest. Biennial. Ray and disc flowers withered, apparently yellow. Full sun. South facing slope, 10% incline. Uncommon. 30 Comment
  JEPS71796  Senecio integerrimus var. major Gladys L. Smith 1972-6-20 3258 Placer from Ward Peak Sherwood Forest 2590 Comment
  UCD159405  Senecio scorzonella D. S. Park 2010-7-7 176 Placer Along N Lake Blvd. Bike trail near Lake Tahoe. Recent Fire. 1900 Comment
  RSA0012467  Senecio serra var. serra Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. [El Dorado or Placer County] Comment
  CAS-BOT-BC364387  Senecio triangularis H. M. Evans 1918-7-24 s.n. Placer Tahoe region. Mud Lake Comment
  UCD15160  Senecio vulgaris Phyllis Adams 1982-4-24 9 Placer near the town of Auburn, in the American River Canyon, at the end of Flood Road; 441 Comment
  UCD135241  Sequoiadendron giganteum G. F. Hrusa; K. van Katwyk 1995-5-20 12191 a Placer Sierra Nevada, in Placer Redwood Grove, northernmost grove of Sequoiadendron. 1800 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
  CAS-BOT-BC364760  Sericocarpus oregonensis subsp. californicus W. R. Dudley 1909-8-1 s.n. Placer Dutch Flat Comment
  CDA2407  Setaria faberi William J. Ferlatte, K. Stark 1974-11-12 Placer 0.5 mile east of Sisley Road on Taylor Road, Penryn; frequent between Loomis and Penryn. 0 Comment
  CHSC80125  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Southeast corner of Newcastle Road and Brenner Road, Newcastle. Comment
  UCD92677  Setaria faberi G. Douglas Barbe 1974-11-26 1984 Placer southeast corner of Newcastle Road and Brenner Road. Newcastle. Comment
  CDA37687  Setaria faberi Breckenridge 2004-6-2 s.n. Placer Loomis, along Taylor Road. 0 Comment
  UCD32975  Setaria pumila Beecher Crampton 1965-9-13 7494 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  UCR253804  Setaria pumila George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20095 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  UC889388  Sherardia arvensis C. L. Hitchcock 1940-5-7 6352 Placer ca 1 mi w Baxter Comment
  JEPS71940  Sibbaldia procumbens Gladys L. Smith 1972-8-25 3407 Placer trail to Granite Chief (slope between Shirley chairlift and Watson Memorial) 2560 Comment
  UC871517  Sidalcea asprella subsp. nana C. L. Hitchcock 1940-5-14 6390 Placer ca 6 mi n Colfax (Meier Ranch); n of Colfax, Meier Ranch 762 Comment
  OBI48964  Sidalcea glaucescens Lewis S. Rose 1938-9-14 38262 Placer South Fork of Yuba River, 3 mi E of Cisco 1737 Comment
  POM263652  Sidalcea glaucescens L. S. Rose 1941-7-14 41314 Placer Homewood, Lake Tahoe. 579 Comment
  UC112805  Sidalcea glaucescens Katharine Brandegee 1908-7-1 Placer Donner, Summit Station Donner; , Summit Station Comment
  UC871443  Sidalcea glaucescens Lewis S. Rose 1938-9-14 38262 Placer 3 mi e Cisco; South Fork of Yuba River, e of Cisco 1737 Comment
  UCD150575  Sidalcea glaucescens James A. Neilson Jr. 1970-7-9 1476 Placer Tahoe Basin, North Ward Valley. 2194 Comment
  UCR207124  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2009-7-16 15221 Placer Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  JEPS67226  Sidalcea glaucescens L. S. Smith 1925-6-27 1658 Placer Ward Creek runs into Lake Tahoe 2 mi s of head Truckee River; Tahoe Nat'l Forest, Ward Creek 1920 Comment
  RSA21277  Sidalcea hartwegii Carl B. Wolf 1937-5-12 8620 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  SD44647  Sidalcea hartwegii Darley F. Howe 1951-5-2 2107 Placer 4.0 miles north of Auburn. 456 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
  UC871427  Sidalcea malviflora subsp. asprella A. A. Heller 1917-6-19 12744 Placer 8 mi e Colfax; e of Colfax Comment
  UC871466  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1940-5-7 6338 Placer ca 1 mi w Baxter; w of Baxter 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
  UCR170806  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2005-9-30 9950 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCD43172  Sidalcea oregana subsp. hydrophila C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 541 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD43993  Sidalcea oregana subsp. hydrophila C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1359 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC74101  Sidalcea oregana subsp. spicata Susi Urie 1998-8-28 98 -130 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnnyside. 2121 Comment
  CHSC74232  Sidalcea oregana subsp. spicata Susi Urie 1998-8-29 98 -158 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  CHSC9527  Sidalcea oregana subsp. spicata J. F. Goodwin 1971-7-11 167 Placer 20 ft. south of Hwy. 267 in open meadow, 7.3 mi. east of Truckee. 2103 Comment
  UCR189630  Sidalcea oregana subsp. spicata George K. Helmkamp, E. A. Helmkamp 2007-7-27 12639 Placer Northern Sierra Nevada Mountains, 0.1 mile south of the Rainbow exit from Interstate-80, 0.5 miles east of Rainbow 1790 Comment
  CAS-BOT-BC178686  Silene Saichi Kawahara 1969-7-6 1456 Placer Bank of meadow, Mel Henderson Ranch 987 Comment
  CAS-BOT-BC178688  Silene John H. Thomas; Hazelle A. Thomas 1956-7-21 6115 Placer Vicintiy of Donner Pass, about 80 miles northeast of Sacramento - Sierra Nevada 2377 Comment
  UC1137915  Silene californica G. T. Nordstrom 1934-6-21 143 Placer 1 1/2 mi w Mammoth Spring; Colfax Quad., Tahoe National Forest, w of Mammoth Spring Comment
  POM150840  Silene douglasii Katherine Brandegee s.n. Placer Donner Summit. Comment
  UC852840  Silene douglasii Lewis S. Rose 1941-7-25 41353 Placer Chambers Lodge Lake Tahoe, Chambers Lodge (McKinney) (McKinney, Lake Tahoe) 1920 Comment
  UCD150313  Silene douglasii var. douglasii James A. Neilson Jr. 1970-1 1678 Placer Tahoe Basin, Ward Creek, Plot E232, Sp. III. 2023 Comment
  SD237401  Silene gallica G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15903 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
  UCD98710  Silene gallica Greg Vita 1978-5-7 24 Placer W. slope of Folsom Lake, 1.2 miles N of Twin Rocks Road along Boulder Road. 152 Comment
  UCD150317  Silene invisa James A. Neilson Jr. 1970-1 1986 Placer Tahoe Basin, Lower Ward Creek, Section 232 E. 2011 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
  POM100920  Silene lemmonii Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  UC147556  Silene lemmonii Harriet A. Walker 1908-6-23 1233 Placer Blue Canyon 1432 Comment
  UC311417  Silene occidentalis subsp. occidentalis Marcus E. Jones, A. M. 1882-6-30 Placer Emigrant Gap Comment
  SCFS1025  Sisyrinchium idahoense E. Krimmel 2014-7-5 Placer Meadow below the Cedars. Comment
  SACT002219  Sitanion hystrix D. Meyer 1983-8-7 Placer Moist shady area, Louisiana Pacific Private Forest enterance. 2000.0 Comment
  SACT002225  Sitanion hystrix D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT002232  Sitanion hystrix D. Meyer 1984-6-17 Placer Southeast of Weimar 545.0 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
  CDA5939  Solanum dimidiatum K. L. Milam 1968-7-15 Placer Sierra Nevada; 221 Elm Street, Roseville. Comment
  CDA5942  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer 221 Elm Street, Roseville. 0 Comment
  RSA285951  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer sidewalk and street, 221 Elm St., Roseville, Placer Co. Comment
  UC1125012  Solanum umbelliferum N. French 1934-5-24 368 Placer N. fork, North Fork American River, Tahoe National Forest North Fork American River; Tahoe National Forest, North Fork American River 1341 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
  NY820416  Solanum xanti M. J. Williams 1985-7-6 85- 63 --4 Placer Pacific Crest Trail between old and new Donner Summits Comment
  SEINET6186061  Solanum xanti L. R. Miller 1934-6-10 s.n. Placer Tahoe City, along highway Comment
  UCR190588  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2007-9-14 12964 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 15 miles east of Foresthill 832 Comment
  UCR229456  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17896 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  UCR231869  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2010-10-16 17027 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
  CHSC96473  Soliva sessilis Lowell Ahart; Brian Williams 2007-4-13 13634 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CDA36903  Sonchus asper CDFA Staff 1995-6-12 s.n. Placer Dry Creek. 0 Comment
  UC128209  Sorbus californica Miss Harriet A. Walker 1908-7-26 1445 Placer Cisco 1810 Comment
  CDA37225  Spergula arvensis CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD99160  Spergula arvensis Lynn Gould 1962-3-24 13 Placer 6 miles west of Roseville. Comment
  CAS-BOT-BC389928  Spergula arvensis John Thomas Howell; Gordon H. True 1971-5-26 47644 Placer Northern limits of Lincoln 48 Comment
  SD237402  Spergula arvensis subsp. arvensis G. K. Helmkamp, E. A. Helmkamp 2009-3-11 14385 Placer Sacramento Valley: Ranch House Road, 0.2 mile south of Sheridan (Lincoln 7.5'Q) 36 Comment
  HSC82626  Spergularia rubra Thomas W. Nelson, Jane P. Nelson 1979-4-11 4610 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UCR111005  Spergularia rubra George K. Helmkamp, E. A. Helmkamp 1999-6-30 5111 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  CAS-BOT-BC390676  Spergularia rubra Saichi Kawahara 1969-7-19 1552 A Placer Highway 800, 500 feet south of Nevada County Line 1889 Comment
  CAS-BOT-BC390678  Spergularia rubra A. A. Heller 1917-6-17 12723 Placer Cisco 1828 Comment
  RSA122177  Spiraea densiflora N. H. French 1934-6-8 403 Placer Cisco Butte 1921 Comment
  CDA16035  Spiraea splendens G. F. Hrusa, J. Glazner 2000-9-3 15678 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  CDA13674  Spiranthes romanzoffiana G. F. Hrusa, J. Glazner 1997-8-3 14034 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CAS-BOT-BC220972  Stachys Saichi Kawahara 1969-7-6 1441 Placer At the Mel Henderson Ranch on the east bank of Indian Creek 999 Comment
  POM283403  Stachys rigida subsp. rivularis Lyman Benson 1932-7-31 4023 Placer Tahoe Tavern, Sierra Nevada mtn range, Lake Tahoe watershed. 1890 Comment
  UCD150468  Stellaria longipes James A. Neilson Jr. 1970-7-18 1581 Placer Tahoe Basin, Ward Creek. Near plot 234. 2011 Comment
  CAS-BOT-BC391175  Stellaria longipes subsp. longipes John Thomas Howell 1943-7-19 18571 Placer Summit Valley Comment
  UCR171207  Stellaria media George K. Helmkamp, E. A. Helmkamp 2006-2-24 10074 Placer Northern Sacramento Valley, Junction of Wise Road and Garden Bar Road east of Ewing 95 Comment
  CAS-BOT-BC181460  Stellaria obtusa A. A. Heller 1919-7-25 13298 Placer About rocks near the Yuba River below Cisco. 1676 Comment
  POM161915  Stenotus acaulis Herbert McLean Evans 1920-7-22 s.n. Placer Ralston Ridge. Sierra Nevada. Comment
  POM51448  Stenotus acaulis Herbert McLean Evans 1920-7-22 s.n. Placer Ralston Ridge. Sierra Nevada. Comment
  RSA531313  Stenotus acaulis Walter Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4542 Placer Squaw Valley beyond upper cable car stn. on top of rocky ridge. Comment
  UC710568  Stenotus acaulis John Thomas Howell 1943-7-26 18838 Placer Mt. Lincoln Comment
  UC36545  Stenotus acaulis C. F. Sonne 1886-7-18 Placer Rock Peak, Truckee River 2590 Comment
  UC202225  Stephanomeria lactucina Heller 12893 Placer Summit Station 2121 Comment
  SACT002333  Stipa californica Michael Baad 1976-7-14 Placer 0.8 mile wesr of Sailor Flat on Forest Hill Divide. Comment
  SACT002338  Stipa cernua Josephine Van Ess 1975-5-23 Placer Collected on south slope leading up to Volcano Hill. Open grassy slope. Comment
  SACT002362  Stipa lemmonii Michael Baad 1976-6-17 Placer Collected on flood plain at Royale Gorge- Wabena Creek to Wildcat Canyon. Comment
  POM308705  Streptanthus tortuosus Betty J. Jorgensen 1944-7-2 513 Placer Along summit near Donner Pass. Comment
  RSA437612  Streptanthus tortuosus K. Thorne, J. Chandler 1987-6-26 5432 Placer Squaw Valley Ski Resort. Comment
  UCR226134  Streptanthus tortuosus Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5164 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, south side of trail between creek and trail 2138 Comment
  CHSC24706  Streptanthus tortuosus var. pallidus T. C. English 1976-4-18 35 Placer On n side of deserted R.R., on n fork of the American River, ca. 2 mi w of Hwy 49 bridge. 335 Comment
  SDSU11280  Styrax officinalis var. californicus D. F. Howe 1948-5-23 1815 Placer American River 305 Comment
  CDA11991  Styrax officinalis var. redivivus G. F. Hrusa 1995-5-2 12172 Placer Sierra Nevada; below Mosquito Ridge Rd. approx. 1 km. east of crossing of North Fork of Middle Fork of the American River. Comment
  UCD15639  Styrax redivivus Rachelle Raymond 1989-5-20 802 Placer Forest Hill Rd. 701 Comment
  UCD19281  Styrax redivivus Renee Shahrok 1986-6-25 3 Placer 4.2 mi. east of Forest Hill Rd junction, Mosquito Ridge Rd. 731 Comment
  UCD67979  Styrax redivivus Linda A. Bell 1975-5-24 173 Placer Highway 49, 2 miles South-East of Auburn. 457 Comment
  CAS-BOT-BC47709  Styrax redivivus M. E. Jump 1939-5-15 s.n. Placer Road to Foresthill Comment
  CAS-BOT-BC245859  Symphoricarpos Saichi Kawahara 1969-5-24 837 Placer Slope overlooking the north fork of the American River on the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  CAS-BOT-BC237003  Symphoricarpos mollis Alice Eastwood 1909-1-1 31 Placer Sunnyside Comment
  CAS-BOT-BC237004  Symphoricarpos mollis John Thomas Howell 1943-7-25 18812 Placer West side of Donner Pass near Norden 2133 Comment
  JEPS126405  Symphoricarpos mollis Steve Matson 1998-8-21 383 Placer Tahoe north shore Watershed, Tahoe Vista/Kings Beach; dirt road extension of west from Tiger Ave. Comment
  JEPS21741  Symphoricarpos mollis Marcus E. Jones, A. M. 1882-6-27 3292 Placer Emigrant Gap 1584 Comment
  UC372895  Symphoricarpos mollis var. acutus Marcus E. Jones, A. M. 1882-6-27 Placer Emigrant Gap Comment
  SEINET9289579  Symphyotrichum eatonii Unknown 2000-9-3 15665 Placer Placer Comment
  CHSC74195  Symphyotrichum foliaceum var. parryi Susi Urie 1998-9-4 98 -259 Placer On north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CAS-BOT-BC98964  Symphyotrichum foliaceum var. parryi Peter Rubtzoff 1976-9-18 8842 Placer Sierra Nevada, Lake Van Norden - south side of lake, lakeshore near margin of bordering forest. 2063 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-BC98479  Symphyotrichum spathulatum H. M. Hall 12888 Placer Summit Station 2121 Comment
  UC1119626  Symphyotrichum spathulatum B. Bolt 1934-8-22 188 Placer Grayhorse Flat Tahoe National Forest, Truckee Quad. 1981 Comment
  UC128133  Symphyotrichum spathulatum Miss Harriet A. Walker 1908-7-26 1437 Placer Cisco 1810 Comment
  UC201327  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit valley 2118 Comment
  CAS-BOT-BC98924  Symphyotrichum spathulatum var. intermedium Elizabeth Parsons Hawver 1911-8-1 s.n. Placer Sunnyside - Lake Tahoe Regeion Comment
  CHSC73924  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-25 98 -092 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74200  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-9-3 98 -233 Placer Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  UCD33677  Tanacetum vulgare Beecher Crampton 1971-8-18 8753 Placer Lake Tahoe, Tahoe Vista. 1920 Comment
  CAS-BOT-BC376826  Tanacetum vulgare Mary P. Wells; Nell E. Flattery 1980-9-12 s.n. Placer Yard at 550 Pioneer Way, Tahoe City Comment
  CHSC72875  Taraxia subacaulis L. P. Janeway; Eric Schroder 1998-7-13 5753 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UC9  Taxus brevifolia H. N. Bolander 1865-4-13 4554 Placer Forest Hills Comment
  CAS-BOT-BC392400  Thalictrum fendleri Alice Eastwood 1909-1-1 58 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC392405  Thalictrum fendleri F. Almeda 1993-7-24 7274 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  UC477528  Thalictrum fendleri L. S. Smith 1931-6-3 2552 Placer ravine below Duncan Fk.; Tahoe Nat. Forest 1981 Comment
  UCD43938  Thalictrum fendleri var. fendleri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1304 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCR233461  Thalictrum fendleri var. fendleri George K. Helmkamp, E. A. Helmkamp 2011-8-26 18191 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
  RSA693558  Thelypteris nevadensis May N. Ackley 1925-06 65 Placer Near Towle Comment
  CAS-BOT-BC197371  Thinopyrum intermedium subsp. barbulatum John Thomas Howell 1976-7-18 51935 Placer Carnelian Bay, Lake Tahoe 1905 Comment
  UC1585846  Thysanocarpus curvipes Barbara Ertter with David Thompson 1989-4-9 8194 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
  UCD41259  Thysanocarpus curvipes Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1716 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
  UCR250334  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-4-18 20356 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
  SD44634  Thysanocarpus radians Darley F. Howe 1951-5-1 Placer 455 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
  RSA759627  Torreya californica Doug Goldman 2004-11-2 2919 Placer South side of Yankee Jims Road, west of Foresthill. 860 Comment
  UCD22061  Toxicoscordion venenosum var. venenosum Rex Palmer 1979-6-19 N 228 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22062  Toxicoscordion venenosum var. venenosum Rex Palmer 1979-6-19 N 255 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA101426  Trautvetteria grandis R. Weatherby 1955-8-9 1679 Placer S Fork Haskins Creek, 2 miles S of Bucks Lake. 1646 Comment
  UC884474  Trichostema oblongum Marcus E. Jones 1882-6-30 2831 Placer Emigrant Gap 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
  UCD15611  Trientalis latifolia Lisa Montany 1985-5-18 29 Placer Mosquito Ridge Rd, 14.3 miles west of Forest Hill Rd. Comment
  UCD107145  Trifolium arvense H. E. Catlin 1935-4-25 s.n. Placer Placer County. Comment
  OBI12698  Trifolium cyathiferum Robert F. Hoover 1967-9-7 10857 Placer Antone Meadow Comment
  HSC82235  Trifolium depauperatum Thomas W. Nelson 1979-4-10 4579 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  UCD33052  Trifolium depauperatum Beecher Crampton 1966-4-14 7648 Placer 2.5 miles east of Lincoln. Comment
  CHSC96466  Trifolium dubium Lowell Ahart; Brian Williams 2007-4-13 13667 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  SEINET7865170 Image available Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Foothills, northern Sierra Nevada Mountains; Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  CDA19487  Trifolium glomeratum M. I. Wibawa 2002-5-27 264 Placer Sacramento Valley; Folsom Lake, American River bike trail to Folsom Lake State Recreation Area. 91 Comment
  CAS-BOT-BC226943  Trifolium hirtum George K. Helmkamp; E. A. Helmkamp 2011-4-10 17156 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan 41 Comment
  JEPS127403  Trifolium hirtum Steve Matson 2006-4-23 1599 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  UCD111146  Trifolium hirtum G. K. Helmkamp; Elizabeth Helmkamp 2006-4-6 10126 Placer Northern Sierra Nevada Foothills: NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin. 122 Comment
  UCR257598  Trifolium hirtum George K. Helmkamp, Amy Barnes 2014-3-21 22643 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  CDA4331  Trifolium incarnatum T. C. Fuller 1958-4-15 3794 Placer Highway 99E, 0.5 mile north of Roseville. 0 Comment
  UCD111238  Trifolium incarnatum Gregg Riegel 1975-5-16 19 Placer 1/8 mile north of Foresthill-Auburn Road, 8.2 miles west of Foresthill. 701 Comment
  UC866961  Trifolium kingii var. productum John Thomas Howell 1938-8-2 13995 Placer 5 mi n Brockway Comment
  UCD111273  Trifolium longipes R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  SEINET12147834  Trifolium longipes C. F. Sonne 1881-1 55 Placer above Coldstream Comment
  CDA12433  Trifolium longipes subsp. elmeri G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8505 Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCR194964  Trifolium microcephalum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12027 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  SEINET12157230  Trifolium monanthum C. F. Sonne 1884-1 59 Placer Canyon above Coldstream 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
  UC80329  Trifolium monanthum subsp. parvum Kellogg July 1870 Placer Cisco Comment
  POM349510  Trifolium monanthum subsp. parvum Fay A. MacFadden 1934-7-26 12807 Placer Foot of Red Mt. near Cisco. Comment
  HSC26673  Trifolium pratense Thomas W. Nelson 1972-11-25 703 Placer Del Oro Rd. near Roseville Comment
  JEPS127540  Trifolium pratense Steve Matson 1998-9-1 402 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; main meadow near pond. Comment
  SEINET9262032  Trifolium pratense George K. Helmkamp, Elizabeth Helmkamp 2013-1 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
  UC33298  Trifolium pratense Miss Ora Boring July, 1901 Placer Lake Tahoe Comment
  CAS-BOT-BC230181  Trifolium productum C. F. Sonne 1886-7-18 56 Placer Woods on Truckee River Comment
  UCD147090  Trifolium striatum Chuck Hughes 2013-5-6 374 Placer Southwest margin of Camp Far West Reservoir. 96 Comment
  CAS-BOT-BC516754  Trifolium tomentosum George K. Helmkamp; Amy Barnes 2013-3-28 20299 Placer Eastern Sacramento Valley: NW side of jct of Riosa Rd and Andressen Rd, NE of Sheridan 36 Comment
  SEINET7375916  Trifolium tridentatum H. E. Hodge 1956-3-28 14 Placer U.s. Hwy 40, one mile east of Rocklin 76 Comment
  UCD33051  Trifolium variegatum Beecher Crampton 1966-4-14 7647 Placer Placer County, 2.5 miles east of Lincoln. Comment
  UCD22086  Trifolium variegatum var. geminiflorum Rex Palmer 1979-6-19 N 218 Placer Headwaters basin area of the North Fork of the American River Comment
  UC397182  Trifolium willdenovii Mary E. Pulsifer 1895-4-1 Placer Auburn Comment
  UCR258413  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
  UC498166  Trifolium wormskioldii Katharine Brandegee July 1911 Placer Tahoe Tavern Comment
  JEPS59438  Trifolium wormskioldii Ezra Brainerd and Viola B. Baird 1915-7-22 158 Placer Bear Rock Sierra Nevada Mtns (between rr and Truckee River) 1889 Comment
  UC844512  Trillium albidum C. L. Hitchcock 1940-5-7 6306 Placer ca. 1 mi. w. Baxter Comment
  UCD139889  Trillium angustipetalum Amelie Blyth 1952-5-11 9- 6 Placer on Iowa Hill-Colfax road about 4 miles from Iowa Hill. Comment
  SBBG29894  Trillium chloropetalum C. L. Hitchcock 1906-5-7 6306 Placer ca. 1 mi W of Baxter 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
  RSA758530  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2009-3-11 14386 Placer Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  OBI81421  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, Amy Barnes 2013-3-28 20297 Placer Eastern Sacramento Valley; northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UCR234216  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2011-4-10 17174 Placer Sacramento Valley, 2 miles east of Hwy 65 in Lincoln, along CA-193 just west of the junction with Stardust Lane 76 Comment
  SACT002431  Trisetum canescens D. Meyer 1984-7-29 Placer Road south of reservoir, moist shady north-facing slope 1612.0 Comment
  UC1133266  Trisetum projectum B. Bolt 1934-8-14 177 Placer Red Star Ridge Tahoe National Forest, Truckee Quadrangle (e slope) Comment
  UC1155399  Trisetum projectum Beecher Crampton 1964-7-21 7115 Placer Hwy 40 1/2 mi wnw Cisco Grove 1706 Comment
  SACT002453  Trisetum spicatum Michael Baad 1976-8-12 Placer Southwest to Emigrant Peak along Shirley Lake Ski Lift Right-o-way 2316.0 Comment
  SACT002457  Trisetum spicatum D. Meyer 1984-7-15 Placer Opening in forest canopy. 3.5 km from lodge. 1909.0 Comment
  POM260014  Triteleia bridgesii C. L. Hitchcock 1940-5-15 6402 Placer 6 miles north of Colfax. 762 Comment
  RSA27676  Triteleia bridgesii C. L. Hitchcock 1940-5-15 6402 Placer 6 miles north of Colfax. 762 Comment
  CHSC33017  Triteleia hyacinthina Robert Banchero 1979-4-10 9 Placer Ca. 2 mi s of Sheridan on Hwy 65, 1 mi n of Coon Creek. 32 Comment
  UCR249525  Triteleia hyacinthina George K. Helmkamp, Amy Barnes 2013-3-28 20281 Placer Eastern Sacramento Valley, along 10th Street/Ranch House Rd., 0.6 mile south of its junction with Riosa Road in Sheridan 43 Comment
  CAS-BOT-BC522019  Triteleia hyacinthina C. F. Sonne 1885-7-26 310 Placer Donner Lake Comment
  CAS-BOT-BC522022  Triteleia hyacinthina Eliz. Parsons Hawver 1915-5-1 s.n. Placer Auburn Comment
  LA21987  Triteleia ixioides A. M. Carpenter; August 1892 sn Placer Sierra Nevada Mountains Comment
  UCD22035  Triteleia ixioides Rex Palmer 1979-6-9 N 178 Placer Headwaters basin area of the North Fork of the American River. Onion Creek Meadow. Comment
  SEINET8506313  Triteleia ixioides K. Thorne, J. Chandler 1987-6-26 5444 Placer Sierra Nevada Mountains, Blue Star Memorial Hwy rest stop. Comment
  UCD22037  Triteleia ixioides subsp. anilina Beth Lowe Corbin 1982-8-4 232 Placer 1/2 mile NNW of Onion Creek Campground. 2072 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
  RSA122225  Triteleia ixioides subsp. anilina N. H. French 1934-5-24 365 Placer N Fork, N Fork American River, Colfax 1341 Comment
  SD240798  Triteleia ixioides subsp. scabra George K. Helmkamp, E. A. Helmkamp 2010-4-17 15898 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 308 Comment
  UCD139335  Triteleia ixioides subsp. scabra C. Susan Brown 1976-5-15 24 Placer 3.4 miles west of Auburn Forest Hill Road on Old Forest Hill Road, Lake Clementine. 213 Comment
  RSA262348  Triteleia ixioides subsp. scabra Karla Zancai 1972-5-13 49 Placer Humphrey Road, 0.4 mile east of Sierra College Road, Loomis Comment
  UC187010  Triteleia ixioides subsp. unifolia C. F. Sonne 1896-6-7 Placer Towle Station Comment
  HSC82614  Triteleia laxa Thomas W. Nelson, Jane P. Nelson 1979-4-11 4605 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  SD241652  Triteleia laxa George K Helmkamp, E. A. Helmkamp 2010-4-17 15889 Placer Sierra Nevada Mountins Foothills: Rattlesnake Bar Road, 4.2 miles southwest of its junction with CA-49 naer Pilot Hill (Pilot Hill 7.5'Q) 359 Comment
  RSA789730  Tsuga mertensiana J. R. S