Search Results — 2000 specimen records retrieved (1604 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC3899  Abies magnifica Don Heinz 1967-2-12 Placer 100 yds uphill from Standard Service Station at Baxter on Interstate 80 (Hwy.). 1219 Comment
  UCD22104  Acer glabrum Rex Palmer 1979-6-21 N 395 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS59454  Acer glabrum Ezra Brainerd and Viola B. Baird 1915-7-15 189 Placer rocky slope above camp (Bear Rock); Sierra Nevada Mts., Bear Rock 1935 Comment
  CAS-BOT-BC333260  Acer macrophyllum Saichi Kawahara 1969-5-24 881 Placer Old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  UC452624  Acer macrophyllum C. F. Sonne 1891-6-7 1384 Placer below Gold Run (Shady Ravine); Below Gold Run Comment
  CAS-BOT-BC28723  Achillea millefolium Elizabeth Parsons Hawyer 1911-8-1 s.n. Placer Sunnyside, Lake Tahoe Comment
  JEPS126315  Achillea millefolium Steve Matson 1997-7-1 9 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  CAS-BOT-BC210684  Achnatherum lemmonii A. A. Beetle 1941-5-26 2716 Placer Near Cisco 914 Comment
  UCD42835  Achnatherum lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 201 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  POM260180  Achnatherum lemmonii var. lemmonii C. L. Hitchcock 1940-5-7 6314 Placer 1 mile west of Baxter Comment
  CHSC68078  Achnatherum occidentale subsp. californicum James D. Jokerst 1986-7-13 2706 Placer Trail from the Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  SEINET3282798 Image available Achnatherum occidentale subsp. californicum George K. Helmkamp, E. A. Helmkamp 2009-8-12 15451 Placer Sierra Nevada Mountains; Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill. 2061 Comment
  UC1133148  Achnatherum occidentale subsp. californicum N. French 1934-6-21 435 Placer w end of lake at sw corner of Sec. Tahoe National Forest, Truckee Quadrangle Comment
  POM115573  Achnatherum occidentale subsp. occidentale Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  RSA129140  Achnatherum stillmanii B. Bolt 1934-7-17 140 Placer 1/2 mile south of Walker Mine. 1921 Comment
  UC1601370  Achnatherum stillmanii Prof. B. 1870-8-1 Placer Blue Canyon, C.P.R.R. Comment
  CAS-BOT-BC218035  Achnatherum stillmanii L. S. Smith 1926-6-3 1880 Placer Sugar Pine range, Forest Hill District, Tahoe Forest 914 Comment
  CAS-BOT-BC204857  Acmispon argophyllus var. fremontii Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  SBBG67416  Acmispon nevadensis var. nevadensis unknown -Apr-1895 Placer American River Comment
  SEINET5327439  Acmispon nevadensis var. nevadensis P. A. Lehenbauer 1934-6-10 s.n. Placer [Sierra Nevada] Tahoe City Comment
  UCD43264  Aconitum columbianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 632 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44430  Aconitum columbianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1796 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD95336  Aconitum columbianum A. A. Heller 1909-7-16 s.n. Placer Summit. 2133 Comment
  CAS-BOT-BC391457  Aconitum columbianum subsp. columbianum A. A. Heller 1917-8-13 12882 Placer Summit Valley 2118 Comment
  CAS-BOT-BC391464  Aconitum columbianum subsp. columbianum C. F. Sonne 1884-8-24 9 Placer Sierra Nevada Mts. Mts above Donner Lake near C.P.R.R. Comment
  CAS-BOT-BC412606  Aconogonon alaskanum A. A. Heller 1917-8-14 12934 Placer Mt. Lincoln south of Summit Valley 2438 Comment
  CAS-BOT-BC418774  Aconogonon phytolaccifolium John Thomas Howell 1943-7-21 18646 Placer Donner Pass to Mt. Lincoln Comment
  SCFS5068  Aconogonon phytolaccifolium E. Krimmel 2014-6-26 Placer Widespread. Near creek and into conifer woods. Comment
  UCD83596  Aconogonon phytolaccifolium Albert Grigarick 2009-8-7 165 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2171 Comment
  UCD98793  Aconogonon phytolaccifolium G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12634 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  JEPS60389  Actaea rubra Leland S. Smith 1931-5-12 2541 Placer Tahoe Forest 914 Comment
  RSA687738  Adiantum aleuticum May N. Ackley 1925-06 4927 Placer Bear Valley 1372 Comment
  UC449602  Agoseris aurantiaca var. aurantiaca Miss Helen D. Geis Jun 1 1912-Jul 1 1912 196 Placer Deer Park Deer Park Comment
  UC29398  Agoseris heterophylla var. heterophylla unknown 1865-4-13 4570 Placer New Castle Comment
  CDA15680  Agoseris retrorsa G. F. Hrusa, J. Glazner 1999-7-18 15230 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UC891244  Agoseris retrorsa C. L. Hitchcock 1940-5-7 6325 Placer ca 1 mi w Baxter Comment
  SACT000042  Agropyron desertorum D. Meyer 1984-5-27 Placer meadow surrounded by sagebrush type vegetation Comment
  SACT000045  Agropyron intermedium var. intermedium D. Meyer 1983-9-10 Placer Near parking lot. Moist stream bank and meadow. 1879.0 Comment
  SACT000047  Agropyron intermedium var. intermedium D. Meyer 1984-6-10 Placer at Bear River Campground 582.0 Comment
  SEINET10909049  Agropyron pringlei A. Arthur Heller 1917-8-13 Heller 12919 Placer Ridge northwest of Donner Pass on a steep gravelly slope below a ledge of igneous rock, the neighboring forest composed of Abies magnifica. 2377 Comment
  SACT000068  Agropyron trachycaulum D. Meyer 1983-7-30 Placer Roadside ditch 1853.18 Comment
  SACT000071  Agropyron trachycaulum Michael Baad 1983-7-23 Placer Boggy meadows along road 1828.8 Comment
  UCD51699  Agrostis elliottiana Beecher Crampton 1957-5-7 3998 B Placer 1.7 miles east of Lincoln, on the road to Newcastle. Comment
  CAS-BOT-BC127107  Agrostis exarata Lewis S. Rose 1944-7-26 44272 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  SACT000098  Agrostis exarata D. Meyer 1984-6-17 Placer Ponderosa Rd South of the American River. 2.88 km from Foresthill Rd 545.0 Comment
  SACT000100  Agrostis exarata D. Meyer 1984-8-12 Placer Ralston Ridge Rd 11.21 km from French Meadows. Very wet. Somewhat boggy. Grazed woody area. 1612.0 Comment
  SACT000102  Agrostis exarata D. Meyer 1984-8-4 Placer Meadow - mostly dry with a few springs 1454.0 Comment
  SACT000107  Agrostis exarata D. Meyer 1984-7-21 Placer Lake Shore Drive at Villas Rd east of Tahoe City. Moist roadside ditch and pine wooded area. Dense shade. 1927.0 Comment
  SEINET9363211  Agrostis exarata Unknown 2009-7-16 15191 Placer Sierra Nevada Mountains Comment
  SEINET4339732  Agrostis exarata S. E. Palmer 1892-1 2420 Placer Auburn, CA Comment
  SACT000114  Agrostis exarata var. monolepis D. Meyer 1984-6-23 Placer Iowa Hill Rd 17.12 km from I 80 Frontage Rd. Dry roadside. elev. 909. s28t15nr10e 978.0 Comment
  SACT000183  Agrostis idahoensis D. Meyer 1984-9-23 Placer Rocky Creek bed. very wet. 2121.0 Comment
  SEINET4691428  Agrostis idahoensis George K. Helmkamp, E. A. Helmkamp 2010-1 16380 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax. 616 Comment
  UCD42819  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 185 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD42963  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 332 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44498  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1864 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD52781  Agrostis idahoensis L. S. Smith 1914-9-14 s.n. Placer Col. Near Devils Peak. Comment
  SEINET10968050  Agrostis idahoensis A. Arthur Heller 1919-7-25 Heller 13293 Placer Sandy flat near the Yuba river below Cisco. Comment
  UCD56335  Agrostis pallens G. F. Hrusa; J. Glazner 2000-7-1 15611 Placer Northern Sierra Nevada, Summit Village, Truckee. Riparian zone along Donner Creek adjacent to Hwy. 89. 1844 Comment
  UCD75943  Agrostis pallens Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5185 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail by creek. 2145 Comment
  UCR170802  Agrostis pallens George K. Helmkamp, E. A. Helmkamp 2005-9-30 9939 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  SACT000150  Agrostis scabra D. Meyer 1983-9-10 Placer moist streambank and meadow 1879.0 Comment
  SACT000155  Agrostis scabra D. Meyer 1984-7-21 Placer 1927.0 Comment
  SACT000157  Agrostis scabra D. Meyer 1983-8-7 Placer Along Truckee River east bank 1879.0 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
  UCD36712  Agrostis scabra Beecher Crampton 1955-7-13 2997 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  SACT000174  Agrostis semiverticillata Josephine Van Ess 1976-5-12 Placer streamside, wet 91.5 Comment
  SEINET9262074  Agrostis stolonifera George K. Helmkamp, Elizabeth Helmkamp 2012-1 19904 Placer Northern Sierra Nevada Mountains: Blue Canyon Road, 1.1 miles south of its intersection with I-80 about 1/2 miles south of Blue Canyon-Nyack Airport (Blue Canyon 7.5 Q) 1472 Comment
  SACT000242  Agrostis thurberiana Michael Baad 1976-8-7 Placer Trailhead to Bear Lake on Rubicon Trail to Bear Lake Canadian Zone 2316.48 Comment
  CAS-BOT-BC138568  Agrostis variabilis Peter Rubtzoff; Edward W. Colson 1976-7-6 8720 Placer Sierra Nevada. Lake Van Norden. 2063 Comment
  SACT000245  Agrostis variabilis D. Meyer 1984-9-23 Placer Dry rocky top of north-facing slope 2315.0 Comment
  SACT000247  Agrostis variabilis D. Meyer 1983-8-20 Placer Collected from the road to summit of trail at 1st lake. Steep rocky trail with moist meadow areas. 2000.0 Comment
  UCD53773  Agrostis variabilis E. Wilson 1935-7-7 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC64489  Ailanthus altissima Elizabeth McClintock 1969-5-31 s.n. Placer E. of Auburn. Comment
  CDA36884  Aira caryophyllea CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SD43594  Aira caryophyllea Darley F. Howe 1948-5-20 Placer No further locality information given on label on specimen sheet. 456 Comment
  UCSB34809  Aira caryophyllea Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65 Comment
  CAS-BOT-BC445326  Alisma lanceolatum L. R. Abrams 1917-9-15 6760 Placer 3-5 mi above Auburn Comment
  SCFS1221  Allium E. Krimmel 2013-6-29 Placer North Fork American River. Painted Rock Trail, Top Meadow. Comment
  SEINET3884511  Allium bisceptrum Kaye H. Thorne, J. Chandler 1987-6-26 5433 Placer Squaw Valley Ski Resort.; 0 Comment
  CAS-BOT-BC464524  Allium campanulatum C. F. Sonne 1995-7-12 308 Placer Atm Cardsmain Comment
  UC635251  Allium obtusum H. L. Mason 1933-5-28 7242 Placer Pyramid Creek, Placerville Road 1905 Comment
  CAS-BOT-BC474277  Allium obtusum var. obtusum Alice Eastwood 1912-6-15 408 Placer Deer Park. Lake Tahoe Region Comment
  JEPS47620  Allium platycaule L. S. Smith 1926-5-26 1873 Placer Duncan Canyon above Forks; Tahoe Forest, Duncan Canyon 1676 Comment
  JEPS73016  Allium platycaule Gladys L. Smith 1972-6-20 3209 Placer about terminus of summit chairlift, Ward Peak Ward Peak 2621 Comment
  UC3102  Allium platycaule C. J. Fox Jr. July, 1895 Placer near Squaw Peak Comment
  SJSU7111  Allium platycaule R. L. Fisher 1959-6-22 Placer Lead Mine area of Sugar Bowl, SE of Norden 1981 Comment
  JEPS2719 Image available Allium sanbornii var. congdonii Katharine Brandegee 1908-7-18 Placer Cape Horn; ; Cape Horn, Placer Co. Comment
  CAS-BOT-BC476705  Allium validum Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadoes 1600 Comment
  UCR120245  Allophyllum gilioides subsp. violaceum George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5031 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UC572283  Allophyllum integrifolium B. Bolt 1934-7-19 148 Placer Tadpole Spring, Tahoe Nat'l Forest Tahoe Nat'l Forest, Colfax Quad., Tadpole Spring 1950 Comment
  UC702547  Allophyllum integrifolium L. S. Rose 1941-7-8 41291 Placer Lake Tahoe, Chambers Lodge (McKinney) 2100 Comment
  UCR191131  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2007-6-12 12316 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  POM74363  Allophyllum integrifolium Marcus E. Jones 1889-7-11 10184 Placer Emigrant Gap. Comment
  SBBG1282  Alnus incana subsp. tenuifolia E. R. Blakley 1960-9-2 3805 Placer meadow at mouth of Carnelian Crk, Lake Tahoe 1905 Comment
  UC847421  Alnus incana subsp. tenuifolia Alice Eastwood Jun 15 1912-Jun 19 1912 469 Placer Tahoe City Lake Tahoe Region Comment
  SEINET6190530  Amelanchier pallida A. Urrutia 1960-3-19 s.n. Placer North fork American River 3 miles south of Auburn, HWY 49 457 Comment
  UC481572 Image available Amelanchier utahensis G. W. Fetters 1929-6-20 Placer Homewood; Lake Tahoe Comment
  LA210934  Amelanchier utahensis C. B. Wolf; 1917-6-19 12729 Placer SIERRA NEVADA, Emigrant Gap. 1615 Comment
  CDA37222  Amsinckia intermedia CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCD119687  Amsinckia intermedia M. H. Mills 1996-4-12 132 Placer At corner of Eden Oaks Circle and Walden Lane, Loomis. 180 Comment
  UC1178280  Amsinckia intermedia Francia Chisaki 1956-4-20 687 Placer on Roseville Road, Antelope Antelope Comment
  UCR231872  Amsinckia menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2011-4-10 17137 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  UCD117535  Anagallis arvensis M. H. Mills 1996-4-12 152 Placer at 5830 Walden Lane, Loomis. 180 Comment
  CAS-BOT-BC64273  Anaphalis margaritacea A. A. Heller 1916-8-13 12907 Placer Summit hotel 2133 Comment
  UC202222  Anaphalis margaritacea A. A. Heller 1916-8-13 12907 Placer 2133 Comment
  SEINET14147950 Image available Anaphalis margaritacea Ira L. Wiggins 1933-8-21 6783 Placer near Tahoma, shores of Lake Tahoe Comment
  CAS-BOT-BC137793  Andropogon virginicus var. virginicus Beecher Crampton 1957-3-28 3911 Placer Base of the retainning wall of Folsom Lake along the road to Auburn, 3.5 miles northeast of Folsom. Comment
  RSA30887  Androsace occidentalis var. simplex Marcus E. Jones 1884-9-29 s.n. Placer Emigrant Gap 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
  UCD127133  Angelica breweri G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12649 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  UCR190224  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2007-8-1 12649 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  UCR206783  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2009-7-16 15213 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  UCD116184  Anoda cristata Dr. Blake 1930-10-24 s.n. Placer Penryn Dist. Comment
  CAS-BOT-BC84761  Antennaria rosea subsp. rosea Alice Eastwood 1909-1 70 Placer Sunnyside Comment
  POM264542  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer near Cisco, shrubby hillside. 915 Comment
  SACT000334  Anthoxanthum odoratum Michael Baad 1983-5-5 Placer One mikle south of Placer Hills Road , on Milk Ranch Road, 2 miles west of Colfax, open hillside, north-facing slope. 609.6 Comment
  UCD36703  Anthoxanthum odoratum Beecher Crampton 1955-7-13 2985 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  CDA14416  Aphanes occidentalis D. Joley 1995-5-12 Placer Dry Creek Road, I-80 east of Auburn near Applegate. 0 Comment
  JEPS126310  Apocynum androsaemifolium Steve Matson Aug, 1997 96 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension of North Ave. Comment
  UCD121209  Apocynum androsaemifolium Collector Unknown Date Unknown s.n. Placer W Placer County. Exact locality unknown. Comment
  SCFS1024  Apocynum cannabinum E. Krimmel 2014-7-5 Placer Beside seep next to driveway. Comment
  UC147572  Aquilegia formosa Harriet A. Walker 1908-6-24 1249 Placer Blue Canyon Comment
  RSA0053709  Aquilegia formosa var. formosa G. K. Helmkamp, E. A. Helmkamp 2012-9-25 19797 Placer Northern Sierra Nevada Mountains along Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  POM366953  Aquilegia formosa var. truncata Bonnie C. Templeton 1931-7-4 1505 Placer Near Meeks Bay, Lake Tahoe 2280 Comment
  POM99522  Aquilegia formosa var. truncata Marcus E. Jones 1882-6-28 2614 Placer Emigrant Gap. Comment
  UCD42842  Arabis eschscholtziana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 208 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC199672  Arceuthobium americanum C. F. Sonne March 1899 Placer Mayen's Meadow near Truckee Comment
  CAS-BOT-BC409995  Arceuthobium campylopodum Lowell Ahart 1972-6-28 s.n. Placer French Meadows 1524 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
  CHSC10702  Arctostaphylos manzanita Lowell Ahart 1964-7-3 Placer On trail to Placer Queen Mine. 1676 Comment
  CAS-BOT-BC24244  Arctostaphylos mewukka L. R. Abrams 1910-7-1 4992 Placer Near Blue Canyon on Union Pac. R.R. Comment
  CAS-BOT-BC24249  Arctostaphylos mewukka Walter Knight; Irja Knight 1989-4-17 6481 Placer Moody Ridge, 2.3 mi. from Alta exit on I-80 up Casa Loma Road at probably type locality. 1219 Comment
  CAS-BOT-BC24250  Arctostaphylos mewukka T. S. Brandegee 1888-1-1 33 Placer Emigrant Gap. Comment
  POM76766  Arctostaphylos mewukka Marcus E. Jones 1900-7-10 s.n. Placer Colfax Comment
  CAS-BOT-BC40043  Arctostaphylos nevadensis Margaret Williams 1974-8-8 74 -P1-25 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  POM76735  Arctostaphylos nevadensis Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC42106  Arctostaphylos patula John Thomas Howell 1976-7-18 51931 Placer Jeffrey pine forest, Carnelian Bay, Lake Tahoe 1905 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
  UC481534  Arctostaphylos patula G. W. Fetters 1929-6-15 Placer Pomin's Lake Tahoe Comment
  CDA34219  Arctostaphylos viscida D. G. Kelch 2011-5-17 11 .518 Placer Dutch Flat. Comment
  CAS-BOT-BC47056  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1930-10-11 1733 Placer Near Alta. 1127 Comment
  CAS-BOT-BC47067  Arctostaphylos viscida subsp. viscida C. Hart Merriam 1911-11-4 s.n. Placer Colfax. Comment
  CDA16975  Arctostaphylos viscida subsp. viscida G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16028 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SBBG58421  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-12 A 2 Placer 3 mi above Colfax Comment
  UC852450  Arenaria congesta var. suffrutescens A. A. Heller 1917-6-19 12741 Placer Emigrant Gap 1615 Comment
  UC1125757  Arenaria kingii var. glabrescens N. French 1934-6-22 448 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle 2286 Comment
  SACT000296  Aristida oligantha Josephine Van Ess 1982-9-3 Placer Collected about 1 mile west of Fiddyment Road on Tributary; near old streambank, edge of ditch 27.4 Comment
  SACT000298  Aristida oligantha Josephine Van Ess 1976-8-11 Placer Collected short way north of Lincoln (pond area); edge of dried up pond, clay soil 48.8 Comment
  SEINET11695830  Aristida oligantha Unknown 1961-9-27 5995 Placer 1 mi W of Auburn, along US 40 Comment
  CAS-BOT-BC82196  Arnica chamissonis Lewis S. Rose 1937-7-29 37612 Placer Tahoe Vista 1905 Comment
  CAS-BOT-BC82204  Arnica chamissonis M. E. Parsons s.n. Placer [Aspengrove] Aspen Grove, Lake Tahoe Comment
  CAS-BOT-BC82209  Arnica chamissonis Alice Eastwood 1909-1 312 Placer Tahoe City Comment
  CHSC72867  Arnica chamissonis L. P. Janeway; Eric Schroder 1998-7-13 5757 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UC197278  Arnica chamissonis C. F. Sonne 1886-7-1 Placer Truckee River Comment
  CAS-BOT-BC82348  Arnica cordifolia C. F. Sonne 1885-5-10 186 Placer Near old Shingle Mill on Truckee River Comment
  UCD69355  Arnica dealbata S. Rivas; M. Barbour, D. S. Mata, P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. 2100 Comment
  UC197366  Arnica dealbata C. F. Sonne 1895-7-14 Placer hillside near Pole Creek; Sierra Nevada Mountains, Truckee River Comment
  JEPS22905  Arnica mollis John H. and Hazelle A. Thomas Jul 21 1956-Jul 22 1956 6213 Placer (vicinity of), 80 mi ne of Sacramento Donner Pass; Sierra Nevada 2133 Comment
  UC91145  Arnica mollis C. F. Sonne 1892-9-1 Placer Truckee River, (meadows) Truckee River Comment
  CDA12392  Arnica nevadensis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8520 A Placer Lake Tahoe; N side of Ward Valley 4 mi SW Tahoe City. Comment
  UC197325  Arnica nevadensis C. F. Sonne 1897-7-1 Placer Mt. Anderson (e slope) Sierra Nevada Mountains 2438 Comment
  JEPS111189  Arnica parryi Steve Matson 2005-7-3 1354 Placer Martis Valley, southeast of Truckee, National Recreation Area (Army Corps of Engineers), north of Highway 267 and east of Martis Creek near vernal pools. 39.3038 N, 120.1222 W; elevation 5835 ft. 1778 Comment
  JEPS126317  Arnica parryi Steve Matson 1997-6-1 8 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek above golf course. Comment
  SACT000348  Arrhenatherum elatius D. Meyer 1984-6-10 Placer 606.0 Comment
  JEPS126341  Artemisia cana subsp. bolanderi Steve Matson 1997-9-27 181 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards south of Highway 267 near Martis Creek. Comment
  UC1119423  Artemisia cana subsp. bolanderi B. Bolt 1934-8-23 201 Placer Mt. Mildred Tahoe National Forest, Truckee Quadrangle, Mt. Mildred 2468 Comment
  UCD21691  Artemisia douglasiana Rex Palmer Date Unknown N 888 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD43091  Artemisia douglasiana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 459 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC90401  Artemisia douglasiana P. B. Kennedy; S. B. Doten 1901-8-19 420 Placer 7 miles from French Meadows Comment
  UCD21694  Artemisia ludoviciana Beth Lowe Corbin 1982-8-5 254 Placer Onion Creek campground. 1841 Comment
  CAS-BOT-BC90716  Artemisia ludoviciana subsp. incompta John Thomas Howell 1943-7-26 18856 Placer Sugar Bowl nw. of Mt. Lincoln Comment
  UC193589  Artemisia ludoviciana subsp. incompta C. F. Sonne 1887-8-7 Placer mts. above Coldstream Comment
  UC193587  Artemisia ludoviciana subsp. incompta C. F. Sonne 1885-8-2 Placer ravine on river at Mathew's Dam; Truckee River Comment
  UC91244  Artemisia norvegica subsp. saxatilis C. F. Sonne 1889-7-29 Placer mts. above Bear Valley; Truckee River, Bear Valley Comment
Read comments
Apr 3 2021
  UC1119428  Artemisia rothrockii N. French 1934-6-22 462 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  UC892566  Artemisia spiciformis Lewis S. Rose 1937-7-30 37620 Placer 3 mi S of Truckee (desert slopes) 1828 Comment
  CAS-BOT-BC400751  Asarum lemmonii Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  UC1221758  Asarum lemmonii Beecher Crampton 1958-6-24 4964 Placer ca. 3 miles west of Baxter Comment
  OBI49306  Asclepias cordifolia Unknown 1882-6-30 2802 Placer Emigrant gap Comment
  SEINET178467  Asclepias cordifolia Unknown 1882-6-30 2802 Placer Emigrant Gap. Comment
  UC878961  Asclepias cordifolia Marcus E. Jones, A. M. 1882-6-30 2802 Placer Emigrant Gap Comment
  UCD158830  Asclepias cordifolia K. O'Keefe 1995-6-4 s.n. Placer Placer County, East edge of Old Forest Hill Rd., two mi from Forest Hill Rd. Western Sierra foothills, northeast of Auburn. 450 Comment
  UCR194940  Asclepias cordifolia George K. Helmkamp, E. A. Helmkamp 2007-5-18 12009 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  RSA401665C  Asclepias cordifolia N. R. Zabriskie, W. M. Zabriskie 1973-6-7 668 Placer Emigrant Gap (off I80 W of Donner Pass) Sierra Nevada Mtns. 1616 Comment
  CAS-BOT-BC69577  Aspidotis densa Emily K. Mcpherson 1976-9-19 76- 27 -3 Placer Middle Fork of the American River. 1828 Comment
  CAS-BOT-BC99220  Aster Peter Rubtzoff 1976-9-18 8844 Placer Lake Van Norden, south side of lake - Sierra Nevada 2063 Comment
  UCR209735  Aster foliaceus var. parryi George K. Helmkamp, E. A. Helmkamp 2009-8-12 15429 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  UCR143364  Aster occidentalis Wm. Vortriede 1928-1 s.n. Placer Sierra Nevada Mtns., Lake Tahoe [vague location, possibly El Dorado Co.] 1982 Comment
  UCR231862  Aster oregonensis George K. Helmkamp, E. A. Helmkamp 2010-10-16 17024 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
  UCD105071  Astragalus lentiginosus S. S. Smith 1916-6 709 Placer Transition Squaw Valley. Comment
  UC170027  Astragalus whitneyi Miss Helen D. Geis 52 Placer Deer Park The crags, Deer Park (The Crags) Comment
  JEPS59464  Astragalus whitneyi var. lenophyllus Ezra Brainerd and Viola B. Baird 1915-7-19 200 Placer above Deer Park (summit of The Craggs); Sierra Nevada Mts., summit of the Craggs above Deer Park 2514 Comment
  SEINET10737813 Image available Astragalus whitneyi var. lenophyllus Charles F. Sonne Sonne 65 Placer Tinker's Knob, Truckee. 2743 Comment
  UC197899  Athyrium distentifolium var. americanum C. F. Sonne Aug. 1887 Placer above Coldstream Mt Anderson Comment
  CDA16051  Athyrium filix-femina G. F. Hrusa, J. Glazner 2000-9-3 15669 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  POM121068  Athyrium filix-femina subsp. cyclosorum Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  UC399390  Athyrium filix-femina var. cyclosorum Mrs. Carlotta C. Hall July 1912 Placer Lindsay; Middle Fork Feather River 1249 Comment
Read comments
Oct 12 2010
  CAS-BOT-BC17415  Athysanus pusillus L. S. Smith 1926-4-16 1779 Placer Tahoe Forest. Forest Hill Divide. Road to Sugar Pine. 1097 Comment
  CDA37062  Avena barbata CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  SACT000365  Avena barbata Josephine Van Ess 1976-3-16 Placer sunny roadside 91.5 Comment
  SACT000392  Avena fatua D. Meyer 1983-6-5 Placer 977.3 Comment
  SACT000400  Avena fatua D. Meyer 1983-6-18 Placer Shady area 1170.0 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
  SEINET4342872  Avena fatua P. Lehenbauer 1937-5-16 s.n. Placer Auburn Comment
  SEINET5336157  Avena fatua W. W. Schwartzkopf s.n. Placer Auburn area 610 Comment
  UCD74304  Balsamorhiza macrolepis Albert A. Grigarick 2008-5-2 6 Placer Martis Valley. Path south of parking lot on south side of Hwy. 267. Approx. 75 yds. down southmost path, south of end of parking lot. 1781 Comment
  CAS-BOT-BC100093  Balsamorhiza sagittata Alice Eastwood 1909-1 262 Placer Deer Park Comment
  UCD129529  Balsamorhiza sagittata A. A. Heller 1917-6-18 12727 Placer Yuba Pass. Comment
  CAS-BOT-BC16554  Barbarea orthoceras Marcus E. Jones 1882-6-28 2621 Placer Emigrant Gap. Comment
  UC10261  Barbarea orthoceras C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UC855620  Barbarea orthoceras Alice Eastwood June 15-19, 1912 412 Placer Deer Park, Lake Tahoe Region Comment
  UCD129571  Bidens frondosa G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12955 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCR253810  Bidens frondosa George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20105 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  CAS-BOT-BC413045  Bistorta bistortoides Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  JEPS126261  Bistorta bistortoides Steve Matson 1998-6-6 221 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, east of Martis Creek. Comment
  CAS-BOT-BC100274  Blennosperma nanum var. nanum Carl B. Wolf 1937-3-30 8350 Placer Sacramento Valley, 4 8/10 mi. E. of Lincoln on Penryn Road 91 Comment
  CAS-BOT-BC15949  Boechera breweri subsp. breweri Kellogg 1870-6-17 s.n. Placer Sierra Nevada Mountains. Cisco. Comment
  CAS-BOT-BC14253  Boechera pinetorum Lewis S. Rose 1940-6-1 6200 Placer Truckee River, 3 miles northwest of Tahoe City. 1889 Comment
  UCD22333  Boechera platysperma Beth Lowe Corbin 1982-8-4 242 Placer 1 1/2 mile N of Onion Creek Campground. E facing slope, 50% inclination. Unocommon. Full sun. In rocky and fine, sandy, granitic soil of loose talus slope in white fir forest. 2255 Comment
  UCD75740  Boechera platysperma Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5203 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
  SEINET5340636  Boechera platysperma A. A. Heller 1903-7-20 6975 Placer Donner Pass. 2134 Comment
  RSA0049722  Boechera rectissima Dean Wm. Taylor 2013-8-7 21398 Placer Coldstream Valley, headwaters of South Fork Cold Creek, 1889 Comment
  CAS-BOT-BC25454  Boechera retrofracta Lowell Ahart 1972-7-7 s.n. Placer French Meadows. 1524 Comment
  CAS-BOT-BC17214  Boechera rigidissima Arnold Tiehm 1974-8-8 524 Placer Sierra Nevada. Juniper Creek. 2407 Comment
  JEPS109849  Boechera suffrutescens Dean W. Taylor 2005-7-15 19408 Placer Martis Peak, western flank near headwaters Monte Carlo Creek, Truckee River watershed 2164 Comment
  SEINET5323261  Botrychium multifidum M. J. Williams 1970-6-7 s.n. Placer Near Emigrant Gap. 1615 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
  RSA466747  Boykinia major Wm. Martin 1971-9-10 20268 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  SEINET10340049  Boykinia major George K. Helmkamp, E. A. Helmkamp 2008-9-15 14115 Placer Northern Sierra Nevada Mountains; along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  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
  CDA37232  Brassica campestris CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SEINET5340935  Brassica rapa W. D. Billings 1939-3-19 1197 Placer 7 miles northwest of Auburn. Comment
  SACT000455  Briza minor D. Meyer 1983-5-15 Placer Field at southeast corner 36.6 Comment
  SACT000457  Briza minor D. Meyer 1984-5-6 Placer 145.5 Comment
  SACT000474  Briza minor Josephine Van Ess 1976-3-16 Placer Collected at intersection; gravel slope 91.5 Comment
  UCSB45767  Briza minor Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65 Comment
  UC337865  Brodiaea elegans subsp. elegans unknown 1889-6-12 Placer near Blue Canyon 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
  SACT000483  Bromus arenarius Michael Baad 1977-6-8 Placer 1570.6 Comment
  SACT000379  Bromus carinatus D. Meyer 1984-6-23 Placer 9.12 km from I80 Frontage road. 978.0 Comment
  SACT000390  Bromus carinatus James Grove 1977-7-5 Placer 2000.0 Comment
  SACT000516  Bromus carinatus D. Meyer 1983-6-5 Placer 982.98 Comment
  UCD57888  Bromus carinatus Beecher Crampton 1969-7-1 8491 Placer Nyack Lodge area (W. of Emigrant Gap). Interstate Hwy. 80 eastbound. Comment
  UCD58263  Bromus carinatus August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  UCR226136  Bromus carinatus Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5152 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, forest clearing off trail 2113 Comment
  UCSC000050  Bromus carinatus N. French 1934-6-22 s.n. Placer 0.5 mile W. of Dulzura - Truckee, Tahoe N.F. 2134 Comment
  JEPS127502  Bromus carinatus var. carinatus Steve Matson 1997-7-5 37 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek. Comment
  UC1130978  Bromus carinatus var. carinatus B. Bolt 1934-8-14 Placer e slope of Red Star Ridge Red Star Ridge 1767 Comment
  UCD59208  Bromus carinatus var. marginatus August L. Hormay 1932-7-8 s.n. Placer W side of Lake Tahoe, 6 miles S of Tahoe Tavern. Comment
  UCD59463  Bromus diandrus A. A. Beetle 1941-5-26 2718 Placer Near Cisco. 914 Comment
  CAS-BOT-BC155061  Bromus hordeaceus Saichi Kawahara 1969-7-6 1422 Placer West of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  CDA37199  Bromus hordeaceus CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  JEPS113245  Bromus hordeaceus Lowell Ahart, Brian Williams 2007-4-13 13661 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
  SD255609  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2014-3-21 22641 Placer Sacramento Valley: Sherican, Riosa Road at the west side of its junction with old CA-65 (Sheridan 7.5'Q) 32 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
  SACT000561  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-4-17 Placer Small drainage ditch, moist sunny exposure 231.648 Comment
  UCD58852  Bromus inermis Beecher Crampton 1972-7-26 8850 Placer Carpenter Flat, east of Emigrant Gap. 1615 Comment
  CDA15965  Bromus laevipes G. F. Hrusa, J. Glazner 1999-7-17 15123 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CDA15966  Bromus laevipes G. F. Hrusa, J. Glazner 1999-7-17 15121 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  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
  SACT000691  Bromus marginatus D. Meyer 1983-10-22 Placer from base of Searchlight chairlift to base of Olympic Lady chairlift, downhill ski area, straw added for erosion control 2000.0 Comment
  SEINET3923241  Bromus marginatus Beecher Crampton 1985-6-23 9998 Placer North Shore Lake Tahoe, Stateline road.; 0 Comment
  UCR146674  Bromus marginatus Beecher Crampton 1985-6-23 9998 Placer Sierra Nevada Mtns., North Shore Lake Tahoe, Stateline Road 1905 Comment
  JEPS69205  Bromus orcuttianus Leland S. Smith 1926-6-4 1883 Placer above Bullion Mine (Tahoe National Forest, Eldorado Canyon); Tahoe National Forest, Eldorado Canyon 1066 Comment
  OBI22383  Bromus orcuttianus Robert F. Hoover 1967-9-7 10858 Placer Antone Meadow Comment
  SACT000616  Bromus orcuttianus D. Meyer 1983-8-20 Placer to summit at first lake, steep ricky trail with moist meadow areas 2000.0 Comment
  SACT000618  Bromus orcuttianus D. Meyer 1984-7-29 Placer 1645.92 Comment
  SBBG22675  Bromus orcuttianus M. S. Walters 1960-6-22 Placer Hwy 28 at Brockway, Lake Tahoe Comment
  SBBG26324  Bromus orcuttianus B. Crampton 1964-7-21 Placer Blue Cyn 1430 Comment
  SEINET3923248  Bromus orcuttianus Beecher Crampton 1964-7-21 7126 Placer Blue Canyon.; 0 1430 Comment
  UCR215974  Bromus orcuttianus George K. Helmkamp, Amy Barnes 2009-7-12 15177 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  CAS-BOT-BC162164  Bromus orcuttianus Beecher Crampton 1956-7-17 3723 Placer At the railroad crossing at Blue Canyon. 1432 Comment
  SEINET4391133  Bromus rigidus A. Tiehm, Hugh N. Mozingo; Margaret Williams; Emily McPherson 1975-1 606 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
  SACT000678  Bromus sterilis Michael Baad 1983-4-17 Placer descending to middle fork of the American River. serpetine outcrop. 411.48 Comment
  CAS-BOT-BC161571  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mount Lincoln south of Summit Valley. 2499 Comment
  SACT000776  Bromus tectorum D. Meyer 1983-6-18 Placer 1170.0 Comment
  CAS-BOT-BC18161  Bulbostylis capillaris G. L. Stebbins 1977-7-9 7766 Placer Along trail from McKinistry Lake to Rubicon River. 1706 Comment
  CHSC72897  Calamagrostis canadensis L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5769 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UCD43835  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1201 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC438323  Calandrinia ciliata John Thomas Howell; Gordon H. True 1971-5-26 47643 Placer Northern limits of Lincoln 48 Comment
  NY18969  Calocedrus decurrens F. A. MacFadden 1934-8-8 12824 Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM281959  Calocedrus decurrens Major Irving, Irving 1929-9-17 s.n. Placer Colfax, Sierra Nevada 610 Comment
  CDA39303  Calochortus albus A. Drieth 1960-4-15 3963 Placer Near Newcastle. 0 Comment
  HSC95803  Calochortus albus Kevin Thomas 2004-4-10 19 Placer Mt. Diablo Meridian, Newcastle Comment
  HSC33454  Calochortus coeruleus Thomas W. Nelson, James Nelson 1974-6-17 1355 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  UCD22050  Calochortus leichtlinii Rex Palmer 1979-7-12 N 647 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR242374  Calochortus leichtlinii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16672 Placer Northern Sierra Nevada Mountains, Soda Springs Road, 0.3 mile north of its junction with Forest Hill Road at Robinson Flat 2024 Comment
  CAS-BOT-BC490163  Calochortus leichtlinii Greg de Nevers 1995-8-20 10767 Placer Lake Tahoe 2133 Comment
  RSA21431  Calochortus luteus Carl B. Wolf 1937-5-12 8611 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  CAS-BOT-BC483461  Calochortus minimus A. Kellogg 1870-6-1 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  CAS-BOT-BC483468  Calochortus minimus Miss T. O. Raphael 1923-7-6 s.n. Placer Cisco Comment
  SDSU11925  Calochortus monophyllus Bill Fonle 1942-5-27 Placer Colfax 1219 Comment
  SEINET3364434 Image available Calochortus nudus Marcus E. Jones 1882-6-28 3300 Placer Emigrant Gap Comment
  SEINET8197646  Calochortus nudus W. Roderick, R. Halliday 1967-6-10 s.n. Placer N. of Emigrant Gap. 1524 Comment
  POM260305  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 miles N of Colfax Comment
  UC1134527  Calochortus superbus C. R. Clar 1933-6-4 125 Placer near Newcastle; Sacramento Quad. 243 Comment
  CAS-BOT-BC493448  Calochortus superbus C. L. Hitchcock 1940-5-15 6409 Placer 6 miles north of Colfax 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
  UCD129794  Calycadenia spicata Gerald D. Carr 1971-8-15 631 Placer Karchner Road, ca. 6 miles east of Wheatland. 60 Comment
Read comments
Sep 7 2020
  SBBG1921  Calyptridium monospermum E. R. Blakley 1960-9-4 3823 Placer hill 1 mi N of Carnelian Bay, Lake Tahoe 2072 Comment
  UC7770  Calyptridium monospermum C. J. Fox 1895-7-1 Placer Deer Park Inn Comment
  UCD42836  Calyptridium monospermum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 202 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD70594  Calyptridium monospermum Martin J. Beran 1994-5-27 19 Placer Lang Crossing of HWY 20, South Fork of Yuba River. 1414 Comment
  CHSC10553  Calyptridium umbellatum Lowell Ahart 1962-7-14 Placer French Meadows. 1676 Comment
  SBBG69695  Calyptridium umbellatum A. A. Heller 1927-8-16 14448 Placer near summit of Donner Pass Comment
  UCD100442  Calyptridium umbellatum Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer West end of Ward Valley in Lake Tahoe Basin. 1889 Comment
  SCFS5090  Calystegia malacophylla F. Felix, Erica Krimmel 2013-5-19 11 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  CAS-BOT-BC221212  Calystegia malacophylla subsp. malacophylla Marcus E. Jones 1882-6-28 3299 Placer Emigrant Gap Comment
  UCD126172  Calystegia occidentalis subsp. occidentalis G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10706 Placer Northern Sierra Nevada Mountains: 0.2 mile N of Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
  UCR259879  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22462 Placer Sacramento Valley, Highway CA-193 (Lincoln-Newcastle Hwy) at the junction with Gold Hill Road, 3.8 miles northwest of US-80 114 Comment
  UCD150572  Camassia leichtlinii subsp. suksdorfii James A. Neilson Jr. 1971-7-6 2179 Placer Tahoe Basin, Lower Ward Creek, plot #82. 1905 Comment
  SEINET8197924  Camassia quamash P. A. Lehenbauer 1932-6-12 s.n. Placer Highway between Truckee and Lake Tahoe. Comment
  CAS-BOT-BC493372  Camassia quamash subsp. breviflora Alice Eastwood 1912-6-15 400 Placer Deer Park, Lake Tahoe Region Comment
  POM259053  Camissonia subacaulis J. T. Howell 1938-8-2 13991 Placer 5 miles north of Brockway. Comment
  UCR146859  Campanula prenanthoides Beecher Crampton 1956-7-17 3730 Placer Sierra Nevada Mountains, Blue Canyon 1433 Comment
  JEPS14357  Campanula prenanthoides Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, D. Zohary, J. Hunziker, H. Stutz, F. Ehrendorfer 1952-7-19 3863 Placer about 2.5 mi e Iowa Hill (near site of Monona Flat, ridge between Indian Creek and North Fork of the American River) 990 Comment
  SEINET10462849  Campanula prenanthoides Brainerd 1915-7-31 BRAINERD 203 Placer Woods above Nevada City. Comment
  SEINET10462874  Campanula prenanthoides Carpenter Carpenter s.n. Placer Comment
  SEINET10463036  Campanula prenanthoides Wiegand 1921-8-26 WIEGAND 2397 Placer Blue Canyon, Donner Pass road 1219 Comment
  JEPS126399  Cardamine breweri Steve Matson 1999-7-1 423 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west Fork Snow Creek about 300 yards NW of pond. Comment
  UCD75767  Cardamine breweri Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5239 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  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
  UCD44012  Cardamine breweri var. breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1378 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC37354  Cardamine californica Alice Eastwood 1922-4-6 11120 Placer Colfax. Comment
  UCD22363  Cardamine cordifolia Beth Lowe Corbin 1982-8-19 381 Placer 1 3/4 miles SSW of The Cedars. Partial sun. Common. NE facing slope, 25% incline. In shallow stream in logged whtie fir forest. Flowers white. 1950 Comment
  RSA20884  Cardamine oligosperma C. B. Wolf 1937-3-30 8347 Placer Sacramento Valley, 4.8 mi. E of Lincoln on Penryn Rd. 91 Comment
  CHSC40994  Cardamine pachystigma J. D. Jokerst 1984-6-23 2065 Placer Adjacent to and south of Big Mosquito Cr where it is crossed by road to the Placer Co Power Agency hydro site. 1249 Comment
  JEPS72042  Cardamine pensylvanica Gladys L. Smith 1972-6-18 3146 Placer Alpine Meadows 2072 Comment
  SBBG128860  Cardamine pensylvanica G. K. Helmkamp, E. A. Helmkamp 2012-2-23 18576 Placer Newcastle, along CA-193 (Newcastle Hwy), 0.1 mi SE of its jct with Langs Hill Rd, W of the jct with I-80, SW of Auburn 279 Comment
  CDA33871  Cardaria pubescens Robin Breckenridge 2010-10-29 PDR# 1313512 Placer Interstate 80 at Kingvale Chain Control. 0 Comment
  CDA3740  Cardaria pubescens T. C. Fuller 1964-9-1 12570 Placer Sierra Nevada; Sierra Nevada. N side of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. Comment
  CDA36752  Carduus pycnocephalus D. B. Joley 1976-4-21 9 Placer Loomis; northwest of Sierra College Blvd. and Del Mar Ave. 0 Comment
  SEINET3402476  Carduus pycnocephalus subsp. pycnocephalus R. W. Spellenberg, N. Zucker 2011-4-15 14276 Placer Along CA Hwy. 65 1.5 km N of Lincoln, ca. 40 air km NE of Sacramento. 55 Comment
  UCD18263  Carex E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 475 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
  UCD42895  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 263 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43141  Carex angustata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 509 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CDA15926  Carex athrostachya G. F. Hrusa, J. Glazner 1999-7-17 15177 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest in vicinity. Clumping on edges of moist, lower part of main drainage. 1889 Comment
  CHSC74284  Carex athrostachya Susi Urie 1998-8-29 98 -173 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CAS-BOT-BC19397  Carex bolanderi Saichi Kawahara 1969-5-25 892 Placer Mel Henderson Ranch, Indian Creek. North of old cabin. 999 Comment
  POM81103  Carex deflexa var. boottii Marcus E. Jones 1882-6-30 3307 Placer Emigrant Gap. Comment
  SEINET5786402 Image available Carex deweyana Marcus E. Jones 1882-1 3535 Placer Emigrant Gap Comment
  CDA15925  Carex douglasii G. F. Hrusa, J. Glazner 1999-7-17 15176 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest in vicinity. Short, open rhizomatous colony in dry area. Uncommon here. 1889 Comment
  OBI49273  Carex feta Lewis S. Rose 1939-6-5 39218 Placer Bear Valley, near Emigrant Gap 1372 Comment
  POM81878  Carex fissuricola Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. Comment
  OBI6445  Carex fracta Robert F. Hoover 1967-9-7 10853 Placer Antone Meadow Comment
  SEINET1876647  Carex fracta David Keil 1978-7-23 K- 12946 Placer Cisco Grove exit from I-80, just E of Nevada Co. line Comment
  CAS-BOT-BC20685  Carex fracta T. C. Fuller 1964-9-1 12571 Placer Sierra Nevada. N of freeway Interstate 80 from Donner Summit, just E of Hampshire Rocks. 1828 Comment
  CDA33075  Carex fracta T. C. Fuller 1964-9-1 12571 Placer Sierra Nevada; North of freeway, Interstate 80 from Donner Summit, just east of Hampshire Rocks. Comment
  SEINET3901910  Carex heteroneura Ellen Dean, M. Starbuck; G. Harrington; Jennifer Buck; M. Bibbo; T. Sasaki; J. Poloske 2008-7-19 5135 Placer Donner State Oark, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek.; 0 2112 Comment
  UCR120502  Carex illota George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5029 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SEINET7562376 Image available Carex infirminervia Unknown 2003-8-23 7964 Placer Homewood 7.5' Quad. Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake, 3.1 km south-southwest of Barker Pass. 2106 Comment
  CHSC68058  Carex integra James D. Jokerst 1986-7-12 2692 B Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  NY11165  Carex integra A. A. Heller 1909-7-16 9841 Placer Summit 2133.6 Comment
  UCD44020  Carex jonesii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-8-1 1386 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC35550  Carex jonesii John Thomas Howell 1938-8-2 14000 Placer 5 miles north of Brockway Comment
  POM248612  Carex jonesii J. T. Howell 1938-8-2 14000 Placer 5 miles north of Brockway. Comment
  POM80922  Carex lemmonii Marcus E. Jones 1882-6-18 s.n. Placer Emigrant Gap. Comment
  UCD43317  Carex lenticularis var. impressa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 685 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  OBI49281  Carex luzulifolia Unknown 1882-6-29 2907 Placer Emigrant Gap Comment
  SEINET3000400 Image available Carex luzulifolia Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. Comment
  UCD43337  Carex luzulina var. luzulina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 705 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET10883493  Carex mariposana John Thomas Howell 1943-7-26 Howell 18852 Placer Sugar Bowl, nw of Mt. Lincoln. Comment
  UCD43339  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 707 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44432  Carex microptera C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1798 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC32064  Carex multicaulis C. L. Hitchcock 1940-5-7 6309 Placer ca 1 mi W of Baxter. Comment
  UC1256292  Carex multicaulis R. K. Gierisch 1969-7-11 3524 Placer Big Bend Tahoe Forest Comment
  UC825430  Carex multicaulis Marcus E. Jones, A. M. 1882-6-28 3286 Placer Emigrant Gap Comment
  UC833300  Carex multicaulis C. L. Hitchcock 1940-5-7 6309 Placer ca 1 mi w Baxter Comment
  SEINET10817223  Carex multicaulis Charles L. Hitchcock 1940-5-7 Hitchcock 6309 Placer 1 mile west of Baxter. Comment
  CAS-BOT-BC32274  Carex multicostata J. H. Thomas; H. A. Thomas 1956-7-21 6173 Placer Sierra Nevada. Donner Pass ca. 80 mi NE of Sacramento. 2377 Comment
  UCD75690  Carex multicostata Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5139 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
  UCR226140  Carex multicostata Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5139 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, forest clearing off trail 2113 Comment
  CAS-BOT-BC119850  Carex nebrascensis Margaret Williams 1974-8-8 74 -P1-12 Placer Murphy's Meadow, 5 mi SE of Hirschdale. 2316 Comment
  SD480  Carex nebrascensis Jun 1915 73 Placer Donner. Comment
  UCD140682  Carex nebrascensis Mrs. H. P. Kelley 1915-6-18 s.n. Placer Squaw Valley. Comment
  CAS-BOT-BC119847  Carex nebrascensis John Thomas Howell 1938-8-2 14004 Placer 5 mi N of Brockway. Comment
  SD130931  Carex nebrascensis Peter Rubtzoff 1976-9-18 8847 Placer Sierra Nevada; Lake Van Norden; south side; lakeshore. 2063 Comment
  CAS-BOT-BC119690  Carex nervina Marcus E. Jones 1882-7-1 3533 Placer Emigrant Gap. Comment
  CAS-BOT-BC119588  Carex nudata Bolander 4534 Placer Among rocks, American River. Comment
  CHSC74136  Carex pachystachya Susi Urie 1998-8-25 98 -098 Placer Lake Tahoe Basin Management Unit. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74304  Carex pachystachya Susi Urie; Eric Schroder 1998-9-8 98 -301 Placer Lake Tahoe Basin Management Unit. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CHSC74009  Carex pellita Susi Urie 1998-9-1 98 -184 Placer Lake Tahoe Basin Management Unit, National Forest. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.3 mi north of Lake Tahoe. 1908 Comment
  SEINET7570890 Image available Carex pellita Unknown 2003-8-23 7968 Placer Homewood 7.5' quad, Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake, 3.1 km south-southwest of Barker Pass. 2106 Comment
  UC826669  Carex pellita Lewis S. Rose 1937-7-29 37613 Placer Tahoe Vista 1905 Comment
  UCD43923  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1289 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD43367  Carex phaeocephala C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 735 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CHSC68063  Carex rossii James D. Jokerst 1986-7-12 2697 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, S side of river along trail from Chickerings home upstream to Blue and Gold Meadow. Comment
  SEINET7574996 Image available Carex scopulorum var. bracteosa Unknown 2003-8-24 7969 Placer Homewood 7.5' quad, Northern High Sierra Nevada. Just below the Pacific Crest Trail 2.1 km (air) north of Barker Pass, head of small drainage into North Fork Blackwood Creek. 2365 Comment
  CHSC74310  Carex simulata Susi Urie; Eric Schroder 1998-9-10 98 -330 Placer Lake Tahoe Basin Management Unit. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  SEINET10751191  Carex simulata John Thomas Howell 1943-7-22 Howell 18696 Placer Summit Valley. 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
  SEINET5786888 Image available Carex stipata Marcus E. Jones 1882-1 3533 Placer Emigrant Gap Comment
  CAS-BOT-BC116994  Carex straminiformis Arnold Tiehm 1974-8-8 512 Placer South of Murphy's Meadow. 2529 Comment
  UCR179196  Carex straminiformis Rex Palmer 1979-7-9 N- 444 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  CAS-BOT-BC116553  Carex subfusca John Thomas Howell 1943-7-27 18871 Placer Lake Tahoe near Tahoe Pines. Comment
  CAS-BOT-BC116561  Carex subfusca L. S. Smith 1916-6-18 555 Placer Squaw Valley. 1828 Comment
  CDA13692  Carex subfusca G. F. Hrusa, J. Glazner 1997-8-3 14052 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC106457  Carex subfusca Peter F. Zika 2010-8-10 25307 Placer Northern Sierra Nevada Highlands (n SNH). Above E shore of Truckee River, Route 89, 12 air km NE of Lake Tahoe, opening in Pinus Jeffreyi. 1810 Comment
  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-BC115398  Carex utriculata L. S. Smith 1927-8-11 2201 Placer Squaw Valley 1889 Comment
  CAS-BOT-BC115399  Carex utriculata Lewis Samuel Rose 1941-7-17 41317 Placer Chambers Lodge, Lake Tahoe 1898 Comment
  CHSC74315  Carex utriculata Susi Urie 1998-9-3 98 -225 Placer Lake Tahoe Basin Management Unit. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  CAS-BOT-BC115054  Carex vesicaria Catherine Best 1981-8-1 s.n. Placer Big Meadow, ca 3 mi S of French Meadows. 1600 Comment
  JEPS63633  Carex vesicaria W. L. Jepson 1918-7-30 7735 Placer near Tahoe City; Lake Tahoe 1920 Comment
  UCD75769  Carex vesicaria Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5241 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
  RSA0115170  Carex vesicaria Lyman Benson 1942-7-2 11269 Placer Highway junction 1 mile west of Truckee. Mt. Range: Sierra Nevada. 1828 Comment
  CAS-BOT-BC114925  Carex whitneyi John Thomas Howell 1943-7-27 18875 Placer Lake Tahoe near Tahoe Pines. Comment
  UC710439  Carex whitneyi Lewis S. Rose 1944-7-26 44279 Placer Chambers Lodge Lake Tahoe 1920 Comment
  SD3558  Cassiope mertensiana C. F. Sonne 1897-8-14 Placer Truckee, east slope of Mt. Anderson. Comment
  SACT002848  Castanea sativa Josephine Van Ess 1977-6-9 Placer Collected at Teagarden homesite near Mount Vernon Road. Long abandoned planting, now pasture. 353.7 Comment
  SACT002865  Castanopsis sempervirens James Grove 1977-7-15 Placer 2000.0 Comment
  SEINET12032252  Castanopsis sempervirens K. S. Erdman 1966-1 3541 Placer Along Interstate 80 near Emigrant Gap,Sierra Nevada Mtns 1524 Comment
  UCD21861  Castilleja Rex Palmer 1979-6-9 N 154 Placer Exact location unknown. 2438 Comment
  UCD40883  Castilleja affinis Sutton 1984-5-19 10 Placer Blue Canyon Road, off Hwy 80. 457 Comment
  SEINET12328853  Castilleja applegatei J. H. Nishida 1985-1 771 Placer Homewood 1829 Comment
  UC187670  Castilleja applegatei subsp. pinetorum Katharine Brandegee Jun 1909 Placer Gold Run 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
  SEINET13737547  Castilleja campestris W. Harnach 2006-6-11 1235 Placer Sierra Valley, on Marble Lane, 0.25 mile E of County Road A-23. 1487 Comment
  JEPS9828  Castilleja miniata W. L. Jepson 1918-7-30 7732 Placer Tahoe; Lake Tahoe 1920 Comment
  UC174625  Castilleja miniata A. A. Heller 1909-7-16 9850 Placer Summit 2133 Comment
  UC198551  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  UC198554  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  CHSC73995  Castilleja miniata subsp. miniata Susi Urie 1998-8-25 98 -095 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC74437  Castilleja miniata subsp. miniata Susi Urie; Eric Schroder 1998-9-9 98 -308 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1990 Comment
  UCD43177  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 546 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44731  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2097 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR120236  Castilleja miniata subsp. miniata George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5065 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  UC27239  Castilleja nana A. M. Carpenter 1893-8 Placer Comment
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Dec 11 2014
  UC1032433  Castilleja pruinosa G. T. Nordstrom 1934-6-21 146 Placer near Mammoth Springs; Tahoe National Forest, Colfax Quad. 1706 Comment
  UCR208274  Castilleja pruinosa George K. Helmkamp, E. A. Helmkamp 2009-5-7 14641 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UCR228705  Ceanothus William Williams 1986-6-15 s.n. Placer Norden, hill at top of ski lift Comment
  CAS-BOT-BC47851  Ceanothus cordulatus John H. and Hazelle A. Thomas 1956-7-21 6197 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CAS-BOT-BC47852  Ceanothus cordulatus John F. Emmel 1971-7-11 378 Placer Donner Pass - In rocky area about 50 feet from a small steam. 0.2 air mile ENE of north end of Lake Mary 2158 Comment
  CAS-BOT-BC47894  Ceanothus cordulatus Sachs 1922-7-1 1216 Placer Lake Tahoe Comment
  CAS-BOT-BC47899  Ceanothus cordulatus H. E. McMinn 1926-5-29 1752 -A Placer At Crystal Lake-road to Truckee 3 mi west of Cisco Hotel Comment
  JEPS127521  Ceanothus cordulatus Steve Matson 1998-6-24 286 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; dirt road extension of Tiger Ave., under power lines. Comment
  POM303018  Ceanothus cordulatus L. S. Rose 1944-7-11 44065 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  SACT002890  Ceanothus cordulatus James Grove 1977-7-15 Placer 2000.0 Comment
  SACT002892  Ceanothus cordulatus Josephine Van Ess 1980-7-23 Placer Grove of Sierra Redwoods. Collected along nature trail in park. Stiffly branched shrub open area in forest. Comment
  SACT002895  Ceanothus cordulatus Michael Baad 1983-7-1 Placer At exit from I80 to Blue Canyon, second groth white fir, incense cedar. 1584.96 Comment
  UCD111380  Ceanothus cordulatus Beecher Crampton 1976-10-14 9318 Placer Blue Canyon airport area. 1524 Comment
  SEINET13945797 Image available Ceanothus cordulatus L. S. Rose 1941-1 41315 Placer Chambers Lodge (McKinney), Lake Tahoe Alt. ca 1900 m. 1900 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
  SACT002915  Ceanothus cuneatus Josephine Van Ess 1975-3-25 Placer Collected at crest of hill near south end of Barton Road. Fruiting. Rocky outcrop. Comment
  SEINET5339267  Ceanothus cuneatus C. Bell 1962-3-17 36 Placer 2 mi. east of Auburn; above north fork of American River. 244 Comment
  LA43607  Ceanothus integerrimus C. L. Hitchcock; 1940-5-7 6354 Placer ca. 1 mi. W of Baxter Comment
  UCD111963  Ceanothus integerrimus Beecher Crampton 1955-6-15 2859 Placer Bunch Canyon head. Comment
  SEINET5339325  Ceanothus integerrimus T. Weaver 1974-9-22 s.n. Placer 10 miles west of Kyburz, Hgy 10 1219 Comment
  CHSC59592  Ceanothus integerrimus var. californicus Gary H. Bolton 1975-5-24 40 Placer Auburn-Foresthill Road and Spring Garden Road intersection. Comment
  POM260168  Ceanothus integerrimus var. californicus C. L. Hitchcock 1940-5-7 6354 Placer 1 mile west of Baxter. Comment
  CAS-BOT-BC51155  Ceanothus lemmonii C. L. Hitchcock 1940-5-7 6327 Placer ca. 1 mile West of Baxter Comment
  UC1281533  Ceanothus lemmonii H. E. McMinn 1926-5-29 1755 Placer 10.6 mi w Crystal Springs (Truckee Rd) Comment
  CAS-BOT-BC63358  Ceanothus prostratus Mary E. Jump 1939-4-23 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63393  Ceanothus prostratus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains: along Forest Hill Rd., 11.1 mi. ne. of Foresthill (Westville 7.5'). 1463 Comment
  OBI10314  Ceanothus prostratus H. E. McMinn, G. Townsley 1941-8-23 5368 Placer 1/8 mi N of Monte Vista on road to Dutch Flat in old orchard Comment
  UC1071286  Ceanothus prostratus J. E. Sowder 1933-4-28 59 Placer 3 mi sw Gold Run; Colfax Quad. Comment
  OBI10378  Ceanothus prostratus var. prostratus H. E. McMinn 1941-8-23 5371 Placer About 1/2 way out of Blue Cyn to Hwy 40 Comment
  POM204426  Ceanothus tomentosus Hamilton Peers 1933-5-12 s.n. Placer Colfax Comment
  RSA264955  Ceanothus tomentosus Wyrick 1975-4-27 9633 Placer near Cape horn near Colfax 793 Comment
  SEINET3828341  Ceanothus tomentosus George K. Helmcamp, E. A. Helmkamp 2012-1 18946 Placer Northern Sierra Nevada Mountians Foothills: Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road, 7.5'. 1103 Comment
  CAS-BOT-BC63178  Ceanothus velutinus var. velutinus Julia McDonald 1914-6-1 s.n. Placer Homewood. Comment
  CAS-BOT-BC282012  Centaurea calcitrapa K. Stark 1970-5-1 s.n. Placer Corner of Interstate 80 and Auburn Ravine Rd, Auburn Comment
  CDA20198  Centaurea maculosa A. Williams 2003-8-12 PDR 1407013 Placer Sierra Nevada; Fawn St., Homewood. 0 Comment
  UC1119120  Centaurea melitensis C. R. Clar 1933-5-5 114 Placer e of Newcastle; Sacramento 182 Comment
  UCD132722  Centaurea melitensis Denali Beard 2012-6-12 s.n. Placer Auburn State Recreation Area, in Mammoth Bar OHV area. Also observed along edge of Squaw Flat Trail. 500 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
  CDA7328  Centaurea solstitialis T. C. Fuller 1958-4-15 3800 Placer 1 mile south of Roseville. 0 Comment
  UCD130112  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-28 11177 Placer north side of Hwy 40 freeway to Truckee, 0.5 mile east of Hamshire Rocks. Comment
  UCR233185B  Centaurium muehlenbergii George K. Helmkamp, E. A. Helmkamp 2011-7-9 17672 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  CAS-BOT-BC443965  Centaurium tenuiflorum C. Rose Broome 1978-8-2 2308 Placer 2.1 mi. S of Old Auburn on Auburn - Folsom Hwy. Comment
  SEINET6166154  Cephalanthera austiniae M. J. Williams 1984-6-24 84- 62 -2 Placer Skillman Flat Campground, near Highway 20 1341 Comment
  CAS-BOT-BC388156  Cerastium fontanum Geo. B. Grant 1906-7-15 6984 Placer Tahoe Tavern Lake Tahoe Comment
  CDA37197  Cerastium glomeratum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CHSC96464  Cerastium glomeratum Lowell Ahart; Brian Williams 2007-4-13 13642 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CAS-BOT-BC388352  Cerastium glomeratum Alice Eastwood 1912-6-15 448 Placer Tahoe City, Lake Tahoe Region Comment
  UCD15169  Cercis occidentalis Phyllis Adams 1982-5-9 38 Placer Placer Co.; along Highway 49, in the American River Canyon; 182 Comment
  SEINET11826500  Chaenactis douglasii Unknown 1972-1 s.n. Placer French Meadows 1524 Comment
  CHSC44856  Chaenactis douglasii var. douglasii Lowell Ahart 1975-8-23 959 Placer Mountain side along the edge of Baker Ranch Soda Springs Road, between Sailor Flat and Robinson Flat, about 15 air miles north-east of Forest Hill. 1828 Comment
  CHSC83215  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
  CAS-BOT-BC276712  Chaenactis douglasii var. douglasii Greg de Nevers 1991-7-24 9761 Placer Ward Creek Valley, S of Sunnyside 1950 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
  CAS-BOT-BC277775  Chaenactis nevadensis G. L. Stebbins 1969-7-20 6949 Placer Ridge south of North Fork, American River, between Sailor Canyon and Wildcat Canyon 1950 Comment
  CHSC75010  Chamaebatia foliolosa Sabbina M. Lau 1989-5-20 13 Placer 20 miles out of Auburn on Foresthill Rd. 1036 Comment
  RSA3007  Chamaebatia foliolosa Carl B. Wolf 1931-9-11 2423 Placer 1 mile W of Gold Run, W slope Sierra Nevada. 915 Comment
  UC147578  Chamaebatia foliolosa Harriet A. Walker 1908-6-23 1225 Placer Blue Canyon 1432 Comment
  UC565983  Chamaebatia foliolosa G. T. Nordstrom 1934-6-20 126 Placer Mammoth Springs 1676 Comment
  UC615243  Chamaebatia foliolosa Beryl O. Schreiber 1932-9-11 758 Placer near Colfax Comment
  UCD112928  Chamaebatia foliolosa Beecher Crampton 1970-11-10 8653 Placer Nyack. 1524 Comment
  UCR191059  Chamaebatia foliolosa George K. Helmkamp, E. A. Helmkamp 2007-5-23 12051 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  SEINET6336142  Chamaebatia foliolosa P. L. Comanor, B. Clark, B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 miles from end of railroad bridge on CA 194. Winding road, plot located on the right past parking area, down path approximately 60 meters 1676 Comment
  SCFS11529129  Chamerion angustifolium E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying streambed. 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
  CAS-BOT-BC70195  Cheilanthes gracillima M. E. Parsons 1910-7-25 s.n. Placer Eagle Falls, Emerald Bay, Lake Tahoe Comment
  UCD22173  Chenopodium atrovirens Beth Lowe Corbin 1982-8-17 362 Placer 1 2/3 miles SW of The Cedars. NW facing slope, 10% incline. Partial sun. Occasional. In sandy, disturbed soil on logging skid trail in white fir forest near creek. Calyx green, no petals. 1813 Comment
  UCR171344  Chenopodium botrys George K. Helmkamp, E. A. Helmkamp 2005-10-1 9987 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
  UC474268  Chimaphila umbellata G. W. Fetters 1929-8-2 Placer Lake Tahoe, Pomin's Comment
  CAS-BOT-BC451470  Chimaphila umbellata Miss Ireland 1920-1-1 s.n. Placer Unspecified Comment
  CHSC97012  Chondrilla juncea L. P. Janeway 2007-7-8 9107 Placer Northern Sierra Nevada Foothills. Along Hwy 193 0.6 km east of Newcastle. Plants scattered along the edges of the road from Georgetown to Cool to Auburn to Lincoln. 268 Comment
  JEPS51832  Chondrilla juncea T. C. Fuller 1965-10-15 14209 Placer just s of Penryn overpass, Penryn (e side of Interstate 80 to Auburn); Sierra Nevada 182 Comment
  UCD130409  Chondrilla juncea G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11206 Placer Northern Sierra Nevada Mountain. Along connecting road joining Forest Hill Road, with the CA-49 crossing of American River. 396 Comment
  UCD132717  Chondrilla juncea Ramona Robison 2012-6-21 s.n. Placer Auburn State Recreation Area, campground area and adjacent to Lake Clementine. Occurs on access roads leading to the Lake as well as Foresthill Road and Highway 49. 219 Comment
  CDA36758  Chondrilla juncea D. B. Joley 1976-4-22 14 Placer Loomis area. 0 Comment
  UCD130266  Chondrilla juncea A. M. Shapiro 1987-6-6 s.n. Placer city of Auburn, Hwy 49 north of Elm St., in restaurant parking lot (Katrina's Kitchen). 365 Comment
  CAS-BOT-BC249050  Chrysolepis sempervirens George K. Helmkamp; E. A. Helmkamp 2010-8-14 16768 A Placer Northern Sierra Nevada Mountains: Deadwood Road, 1.2 miles south of its junction with Forest Hill Road 1564 Comment
  CDA21152  Chrysolepis sempervirens G. F. Hrusa 1993-11-3 11469 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  UCD150765  Chrysolepis sempervirens James A. Neilson Jr. 1970-8-1 1695 Placer Tahoe Basin, SW Tahoe City. 1901 Comment
  UCR200872  Chrysolepis sempervirens George K. Helmkamp, E. A. Helmkamp 2008-9-15 14112 Placer Northern Sierra Nevada Mountains, Forestry route 43, 0.3 mile southeast of the east end of Foresthill Road at the junction to Soda Springs, junction is 27 miles northeast of Forest Hill City 2061 Comment
  SEINET8947268  Chrysolepis sempervirens O. Boring s.n. Placer Lake Tahoe Comment
  SACT000749  Cinna latifolia D. Meyer 1984-7-29 Placer 1661.0 Comment
  UC30772  Cirsium andersonii Miss M. E. Parsons 1896-8-1 Placer Deer Park Inn, Lake Tahoe Comment
  UCD130514  Cirsium andersonii G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12650 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  CAS-BOT-BC289614  Cirsium andersonii W. R. Dudley 1900-6-29 s.n. Placer South of Truckee River at Tahoe City Comment
  CAS-BOT-BC284391  Cirsium arvense T. C. Fuller 1964-5-18 11980 Placer W. side of Dutch Flat Hwy, 0.8 mi. S. of Dutch Flat P.O. Comment
  CAS-BOT-BC285518  Cirsium occidentale var. candidissimum Nora Pettibone; Frank W. Hubby 1892-8-1 s.n. Placer Lake Tahoe 1828 Comment
  UCD130666  Cirsium occidentale var. venustum A. S. Crafts 1926-5-1 1663 Placer American River Canyon. Comment
  SEINET7836840 Image available Cirsium scariosum A. A. Heller, P. B. Kennedy 1907-7-3 8692 Placer Red Clover Valley Comment
  CAS-BOT-BC439032  Cistanthe monosperma Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  CAS-BOT-BC228885  Cistanthe umbellata F. Almeda 1993-7-24 7279 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  UC634698  Clarkia biloba H. L. Mason 1926-5-28 3270 Placer 5 mi above Auburn Comment
  UCR249602  Clarkia biloba subsp. biloba George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20827 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  RSA122172  Clarkia biloba subsp. brandegeeae C. R. Clar 1933-5-6 115 Placer Near Newcastle. 183 Comment
  UCD147101  Clarkia biloba subsp. brandegeeae Chuck Hughes 2013-6-6 385 Placer Near margin of Camp Far West Reservoir. 6 Comment
  UC725935  Clarkia purpurea A. A. Heller 1941-5-10 16121 Placer 1 mi n Lincoln (along U. S. Highway #99E) Comment
  UC718218  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-5-12 8613 Placer 1 mi n Lincoln; Sacramento Valley 45 Comment
  RSA98976  Clarkia purpurea subsp. purpurea W. A. Weber, Lewis S. Rose 1953-5-19 8384 Placer 5 miles N of Roseville on road to Lincoln. 46 Comment
  CAS-BOT-BC164736  Clarkia rhomboidea L. S. Smith 1926-5-23 1843 Placer Tahoe National Forest. Colfax Rd. above Bear River 914 Comment
  UCR218135  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2010-6-26 16403 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  SEINET10492157  Clarkia unguiculata Tim Holtsford 1992-5-25 Holtsford 920525 -3 Placer Folsom-auburn rd, 2.0 mi s of corner of lincoln and commercial avenue in old Downtown auburn. N-facing roadcut. Comment
  SEINET5336354  Claytonia parviflora subsp. grandiflora 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 Grench Meadows. 518 Comment
  UCD164650  Claytonia parviflora subsp. parviflora Brandi Sorensen 1995-6-1 28 Placer .73 kilometers northwest of Colfax. 671 Comment
  CDA32818  Claytonia perfoliata William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 Comment
  SEINET5727675 Image available Claytonia perfoliata Nancy Carlsen 1971-1 21 Placer Rollins Lake Road at Rollins Lake, 3 miles north of Interstate Highway 80, on west side of road, north of the lake.; Rollins Lake Comment
  CAS-BOT-BC443632  Claytonia perfoliata subsp. perfoliata John Thomas Howell; Gordon H. True 1972-3-17 7075 Placer Just south of Auburn Ravine, 1 1/2 miles west of Lincoln 48 Comment
  CDA19550  Claytonia rubra M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 241 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  SBBG69764  Claytonia rubra subsp. rubra M. N. Ackley -Jun-1925 783 Placer Gold Run 983 Comment
  UCD22157  Claytonia rubra subsp. rubra Rex Palmer 1979-6-19 N 215 Placer Headwaters Basin Area of the North Fork of the American River. Comment
  UCD95617  Clematis lasiantha M. H. Mills 1996-4-12 139 Placer Placer County, 5830 Walden Lane, Loomis. 180 Comment
  HSC95812  Collinsia heterophylla Kevin Thomas 2004-4-10 22 Placer Newcastle Comment
  SEINET13391961  Collinsia heterophylla D. F. Erskine 1941-4-13 8 Placer 5 miles E of Roseville. 76 Comment
  UC1751291  Collinsia linearis Mrs. M. M. Hardy 1893-1 Placer Comment
  POM259992  Collinsia parviflora C. Leo Hitchcock 1940-5-14 6395 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UCD123672  Collinsia sparsiflora var. sparsiflora J. J. Geibel 1965-5-19 13 Placer on Dollarhide Road, 3.5 miles east of Pope Valley. 670 Comment
  SEINET5796622 Image available Collinsia tinctoria Marcus E. Jones 1882-1 Placer Colfax; 39.10073 -120.953276 Comment
  UCD123537  Collinsia tinctoria G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10713 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area northeast of Auburn on Forest Hill Divide). 487 Comment
  UCD21864  Collinsia torreyi Beth Lowe Corbin 1982-8-6 267 Placer Along road 3/4 mile west of Onion Creek campground. 1981 Comment
  UCD42933  Collinsia torreyi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 302 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD21870  Collinsia torreyi var. wrightii Rex Palmer 1979-6-19 N 265 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21872  Collinsia torreyi var. wrightii Rex Palmer 1979-6-21 N 370 Placer Headwaters basin area of the North Fork of the American River Comment
  POM146292  Collomia grandiflora J. B. Feudge 1927-7-18 1741 Placer Emigrant Gap. 1524 Comment
  CAS-BOT-BC438830  Collomia heterophylla George K. Helmkamp; Mary Alice Barnes 2013-5-3 20473 Placer Foothills, northern Sierra Nevada Mountains: Mosquito Ridge Road, 1.1 miles south of Forest Hill Road. 962 Comment
  RSA0039072  Collomia heterophylla George K. Helmkamp, Mary Alice Barnes 2013-5-3 20473 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UC1123648  Collomia heterophylla N. French 1934-6-15 413 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle 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
  RSA262365  Collomia heterophylla J. M. Tucker 1975-5-24 4351 Placer ca. 100 yards east of junction of Spring Garden Road with Auburn-Foresthill Road (or 3.7 miles west of Foresthill) 762 Comment
  SEINET3163558  Collomia linearis G. B. Grant 1906-7-15 P 2 Placer about Lake Tahoe 2438 Comment
  UC879773  Collomia linearis Lewis S. Rose 1937-7-29 37610 Placer meadows Tahoe Vista 1905 Comment
  UCD13352  Convolvulus arvensis M. Winthrop 1989-6-3 2 Placer Placer Co.;:Dry creek exit off 80. T 12N, R 8E, Sect. 16, SW 1/4. Elev. 1200 ft. 365 Comment
  CHSC41145  Cordylanthus pilosus subsp. hansenii J. D. Jokerst 1983-10-13 1922 Placer Canyon of the Middle Fork American River ca 600 feet above the river. Along road to Plumas Co Power Agency access road. Comment
  UCD123119  Cordylanthus tenuis P. Rodriguez-Rojo; D. Sanchez-Mata 1997-8-8 Placer Tahoe National Forest. Todd Valley-Forest Hill. Forest Hill Rd. 850 Comment
  JEPS74318  Cordylanthus tenuis subsp. tenuis T. I. Chuang and F. M. Chuang 1974-8-2 7468 Placer just e Alta Lake; Alta Comment
  JEPS86484  Cordylanthus tenuis subsp. tenuis L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6564 Placer ca. 5 mi se Donner Lake (above and e of Chickering houses); Sherman Chickering's Soda Springs holdings Comment
  OBI9584  Cordylanthus tenuis subsp. tenuis Robert F. Hoover 1967-9-5 10828 Placer Carnelian Bay, Lake Tahoe Comment
  RSA755612  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15424 Placer Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  SD237614  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2007-6-27 12629 Placer Sierra Nevada Mountains Foothills: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 (Cisco Grove 7.5'Q) 1744 Comment
  SEINET1907214  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2006-1 11212 Placer Northern Sierra Nevada Mtns foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill. 1311 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
  RSA523461  Cordylanthus tenuis subsp. tenuis L. R. Heckard, T. I. Chuang 1969-7-26 2332 Placer Just north of Lake Alta. 1067 Comment
  RSA634241  Cornus californica Robert M. Rhode, Barbara Nemeth 1997-6-26 177 Placer Lake Tahoe, Blackwood Creek Canyon (c. 4 miles south of Tahoe City). Near Blackwood Creek Canyon Road, about 0.3 mile west of turnoff from Highway 89. 1921 Comment
  UCD14938  Cornus nuttallii Barbara Babbe 1977-5-30 33 Placer California, Placer Co.; 19.3 miles east of Forest Hill on Mosquito Ridge Road; Comment
  UCD15249  Cornus nuttallii Ted Graber 1984-5-28 13 Placer Along Frontage Road in the town of Baxter. 1158 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
  UCR191087  Cornus sericea subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2007-6-12 12320 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  UCD22323  Cornus sericea subsp. sericea Rex Palmer 1979-6-20 N 315 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR189635  Cornus sericea subsp. sericea George K. Helmkamp, E. A. Helmkamp 2007-7-27 12632 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UC634828  Cornus sessilis Mrs. Price 1932-4-3 Placer Dutch Flat Sierra Nevada, Dutch Flat Comment
  SDSU4788  Corylus cornuta var. californica D. R. Harvey 1960-5-29 Placer Between Michigan Bluff and Forest Hill. Comment
  UCD75739  Crepis acuminata Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5202 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
  SJSU2563  Crepis intermedia N. D. Addy 1962-7-8 Placer entrance to Desolation Valley Wild Area W of Fallen Leaf Lake 2072 Comment
  SEINET9356486  Crepis modocensis Unknown 1999-7-17 15120 Placer Placer Comment
  UC31318 Image available Crepis occidentalis Kellogg 1870-6-18 Placer Camp Yuba Sierra Nevada, Cisco; Camp Yuba, Cisco, Placer Co., Sierra Nevada Mts. Comment
  CHSC117461  Crypsis alopecuroides B. Castro; Jessica Boyt 2013-9-11 1999 Placer Northern High Sierra Nevada. Plumas National Forest;W edge of Frenchman Lake, at boat ramp NW of 'Lunker Point' site on maps. 1703 Comment
  UCD145288  Crypsis schoenoides Barry Hammel 1976-5-28 457 Placer near Roseville. Comment
  UC1178527  Cryptantha affinis Malcolm A. Nobs 1950-9-24 Placer e slope Squaw Peak 1828 Comment
  UC1212055  Cryptantha echinella Malcolm A. Nobs 1950-9-24 Placer e slope Squaw Peak 2133 Comment
  JEPS126393  Cryptantha simulans Steve Matson 2003-7-12 851 Placer nSNH; Tahoe Basin; Ward Canyon (west shore), about 2 miles East of Highway 89, near junction of Tahoe Rim Trail and Ward Canyon Road. Comment
  CAS-BOT-BC68070  Cryptogramma acrostichoides G. W. Dunn 1895-9-14 s.n. Placer Summit Comment
  JEPS73125  Cryptogramma acrostichoides Gladys L. Smith 1972-8-25 3434 Placer meadow below n cirque Granite Chief 2575 Comment
  SEINET4064779  Cryptogramma acrostichoides G. B. Grant 2006-1 Placer Collected at Lake Tahoe in the Sierra Nevada Mountains. 1828 Comment
  JEPS103312  Cuscuta suksdorfii Lowell Ahart 2002-7-22 9885 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UCD21634  Cymopterus terebinthinus Rex Palmer 1979-6-20 N 348 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET13943845 Image available Cymopterus terebinthinus Peter H. Raven 1950-1 2436 Placer Brushy granitic hillslope, Ice lakes. to Soda Springs. Comment
  UCD75736  Cymopterus terebinthinus var. californicus Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5198 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
  RSA537487  Cynoglossum grande Barbara Ertter, David M. Thompson 1989-4-9 8176 Placer Shirttail Canyon Road 2.4 miles from Dipper Road, ca 5 air miles NW of Foresthill. 610 Comment
  CAS-BOT-BC190357  Cynosurus echinatus Saichi Kawahara 1969-7-6 1415 Placer West of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  SACT000847  Cynosurus echinatus Josephine Van Ess 1976-4-26 Placer Collected near top of hill 1 mile south of Rocklin Road in lightly shaded bank. 182.9 Comment
  UCR249611  Cynosurus echinatus George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20832 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  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
  UCR250602  Cyperus eragrostis George K. Helmkamp, Mary Alice Barnes 2013-5-3 20497 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  SD51216  Cyperus niger Darley F. Howe 1960-9-18 Placer Auborn; 4 miles north by canal. 518 Comment
  RSA92359  Cyperus niger var. capitatus Beecher Crampton 1953-11-4 1734 Placer Along an irrigation canal, Sunnybrook Hereford Farm, 2 miles north of Lincoln Comment
  UCD141135  Cyperus rotundus F. E. Kayo 1932-4-1 s.n. Placer Penryn. Comment
  CAS-BOT-BC70558  Cystopteris fragilis John H. Thomas; Hazelle A. Thomas 1956-7-21 6142 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  RSA692808  Cystopteris fragilis May N. Ackley 1924-06 32 Placer Bear Valley 1372 Comment
  SEINET6627867  Cystopteris fragilis M. J. Williams 1970-6-23 s.n. Placer [Sierra Nevada] Near Cisco Grove 1722 Comment
  UC615527  Cystopteris fragilis Beryl O. Schreiber 1934-7-4 1183 Placer 6 mi e Lookout Comment
  POM364994  Dactylis glomerata L. S. Rose 1944-7-12 44092 Placer Chambers Lodge, Lake Tahoe 1921 Comment
  SACT000866  Dactylis glomerata Michael Baad 1977-6-2 Placer Descending from the south of the trail. Riparian area adjacent to North Fork of American River. 853.0 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
  SACT000871  Dactylis glomerata D. Meyer 1983-6-25 Placer 1636.0 Comment
  UCD60282  Dactylis glomerata Collector unknown 1951-1 Placer Auburn Area. Comment
  UC718220  Damasonium californicum Carl B. Wolf 1937-5-12 8625 Placer 1 mi. n. Lincoln; Sacramento Valley 45 Comment
  CHSC74336  Danthonia californica var. americana Susi Urie 1998-9-4 98 -250 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
  SACT000898  Danthonia unispicata Michael Baad 1983-7-10 Placer Along road to Helester Point opening in pine forest with Wyethia on south-facing slope. 1524.0 Comment
  UCD61345  Danthonia unispicata F. M. Reed; R. L. Pendleton 1907-7-23 1593 Placer Lake Tahoe Region, Grass Lake Trail, Glen Alpine. 2194 Comment
Read comments
Sep 4 2010
  UCR194705  Daucus carota George K. Helmkamp, E. A. Helmkamp 2007-10-28 13104 Placer Sacramento Valley, along Nicolaus Road 5.8 miles west of Lincoln 27 Comment
  SEINET11111226  Daucus carota A. Ashton 1971-10-9 s.n. Placer E side of Auburn. 305 Comment
  CAS-BOT-BC173276  Delphinium Saichi Kawahara 1969-5-25 1017 Placer Top of ridge east of old house, Mel Henderson Ranch, east of Indian Creek 1036 Comment
  UC467716  Delphinium andersonii Mrs. M. M. Hardy 1893-1 Placer Comment
  UC118698  Delphinium glaucum C. F. Sonne 1896-8-16 Placer canyon near Truckee (along stream) Comment
  UC188637  Delphinium gracilentum C. F. Sonne 1891-5 Placer between Auburn and Colfax Comment
  CAS-BOT-BC8745  Delphinium hansenii H. Lewis; C. Epling 1941-5-24 s.n. Placer near Auburn Comment
  UCD95774  Delphinium hansenii H. Lewis; C. Epling 1941-5-24 s.n. Placer Auburn. Comment
  UCD22181  Delphinium nuttallianum Rex Palmer 1979-6-20 N 281 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22184  Delphinium nuttallianum Rex Palmer 1979-7-25 N 698 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC116438  Delphinium patens subsp. patens C. L. Hitchcock 1940-5-7 6334 Placer ca. 1 mile west of Baxter Comment
  CAS-BOT-BC116439  Delphinium patens subsp. patens Lillian S. Mott 1965-5-23 6578 Placer Near Foresthill Comment
  POM253160  Dendromecon rigida A. A. Heller 1938-7-2 15235 Placer Along the highway near the Indian Creek bridge just north of Quincy . 1098 Comment
  SBBG2319  Dendromecon rigida N. F. Sommer 1954-5-19 98 Placer Hwy 40, 2.1 mi E of Colfax Comment
  UC112868  Dendromecon rigida Katharine Brandegee 1908-6-5 Placer between Gold Run and Colfax; Magra Comment
  UCD36666  Dendromecon rigida Beecher Crampton 1955-6-15 2900 Placer Placer County, 3 miles west of Iowa Hill. 914 Comment
  UCD75729  Deschampsia cespitosa Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5168 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail between creek and trail. 2136 Comment
  CAS-BOT-BC192428  Deschampsia cespitosa subsp. cespitosa John Thomas Howell 1974-7-12 50607 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC192429  Deschampsia cespitosa subsp. cespitosa R. F. Hoover 1967-9-7 10859 Placer Antone Meadow Comment
  CAS-BOT-BC198146  Deschampsia danthonioides L. R. Abrams 1935-4-20 13684 Placer Roseville, Sacramento Valley Comment
  CAS-BOT-BC198148  Deschampsia danthonioides John Thomas Howell 1943-7-22 18710 Placer Summit Valley Comment
  POM114869  Deschampsia danthonioides Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  SACT000916  Deschampsia danthonioides Michael Baad 1983-8-27 Placer Collected on the trail between lakes. 2072.64 Comment
  UCD44010  Deschampsia danthonioides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1376 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD62527  Deschampsia danthonioides Beecher Crampton 1957-5-7 3990 Placer 2 miles north of Lincoln. Comment
  UCD63005  Deschampsia danthonioides Beecher Crampton 1957-5-7 3990 Placer 2 miles north of Lincoln. Comment
  SACT000918  Deschampsia danthonioides Josephine Van Ess 1976-3-31 Placer Dried up vernally wet roadside. Comment
  RSA126942  Deschampsia elongata H. S. Yates 1936-8-9 5986 Placer 2 miles S.W. of Martis Peak; Truckee 2287 Comment
  UCD36665  Deschampsia elongata Beecher Crampton 1955-6-15 2898 Placer Placer County, Shirttail Canyon, 5.5 miles west of Iowa Hill. Comment
  JEPS71541  Descurainia incana Gladys L. Smith 1972-6-20 3245 Placer 20 ft below Ward Peak summit peak; Ward Peak 2628 Comment
  UCD42980  Descurainia pinnata subsp. intermedia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 349 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC855121  Dicentra formosa Marcus E. Jones, A. M. 1882-1-1 3302 Placer Emigrant Gap Comment
Read comments
Sep 7 2010
  UCR207861  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2009-4-22 14568 Placer Sierra Nevada Mountains Foothills, town of Foresthill, along Forest Hill Road 988 Comment
  CAS-BOT-BC402452  Dicentra formosa subsp. formosa A. A. Heller 1917-6-19 12732 Placer Emigrant Gap 1615 Comment
  JEPS72354  Dicentra uniflora Gladys L. Smith 1972-6-18 3164 Placer Alpine Meadows 2072 Comment
  CAS-BOT-BC483625  Dichelostemma capitatum Kate E. Phelps 1937-5-28 s.n. Placer Applegate Comment
  UCD139188  Dichelostemma capitatum subsp. capitatum Beecher Crampton 1977-4-3 9467 Placer 3.5 miles north of Auburn, just east of Elder's Corner, Dry Creek Road. 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
  RSA333573  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-11 22 Placer McCourtney Road, 1 mile S of Camp Far West Dam. 300 Comment
  SEINET8472275  Dichelostemma capitatum subsp. capitatum W. D. Billings 1939-3-19 1196 Placer 7 miles NW of Auburn. Comment
  CAS-BOT-BC502642  Dichelostemma multiflorum G. L. Stebbins 1978-5-28 7887 Placer West side of Big Crater 1280 Comment
  CAS-BOT-BC290948  Dieteria canescens var. shastensis Alice Eastwood 1909-1-1 248 Placer Lake Tahoe Region. Deer Park Comment
  JEPS8660  Digitalis purpurea Rimo Bacigalupi 1952-7-19 3867 Placer 2.5 mi e Iowa Hill (near Monona Flat, not far from old habitation, on ridge between Indian Creek and North Fork of the American River) 990 Comment
  UCD32978  Digitaria ischaemum Beecher Crampton 1965-9-13 7498 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  CAS-BOT-BC150477  Diplacus grandiflorus Rimo Bacigalupi; A. Hawkes; J. Hunziker; G. L. Stebbins; D. Zohary; H. Stutz; F. Ehrendorfer 1952-7-20 3893 Placer Middle fork of the American River, at Volcano Canyon, about 2 miles below and east of Forest Hill 762 Comment
  SEINET13769195 Image available Diplacus grandiflorus Marcus E. Jones 1882-1 3288 Placer Emigrant Gap 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
  CAS-BOT-BC257791  Diplacus torreyi George K. Helmkamp; E. A. Helmkamp 2010-7-28 16679 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.8 miles east of Forest Route 13/American Hill Road 1662 Comment
  SEINET192850  Diplacus torreyi Lewis S. Rose 1941-1 41305 Placer Chamber's Lodge (McKinney), Lake Tahoe 1920 Comment
  UCD40552  Dittrichia graveolens A. M. Shapiro 2003-10-13 s.n. Placer Colfax, along railroad tracks near downtown. 670 Comment
  UCD78101  Dittrichia graveolens Robert E. Preston 2005-11-9 2368 Placer Between Roseville and Lincoln, at jct Sunset Blvd and Placer Corp Dr. 41 Comment
  JEPS59474  Dodecatheon alpinum Ezra Brainerd and Viola B. Baird 1915-7-4 216 Placer along brook Deer Park Sierra Nevada Mts., Deer Park 1920 Comment
  UCD43336  Dodecatheon alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 704 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44445  Dodecatheon alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1811 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD22159  Dodecatheon alpinum subsp. majus Rex Palmer 1979-7-11 N 534 Placer Headwaters basin area of the North Fork of the American River. Comment
  RSA27893  Dodecatheon hansenii C. L. Hitchcock 1940-5-7 6342 Placer 1 mile west of Baxter. Comment
  SEINET8561859  Dodecatheon hendersonii M. J. Williams 1969-4-2 s.n. Placer Near Placerville, above Greenstone Lane. Comment
  SEINET8561983  Dodecatheon hendersonii W. D. Billings 1939-3-19 1200 Placer 10 miles NW of Auburn. Comment
  RSA739597  Downingia bicornuta var. bicornuta John Dittes 2003-5-25 2003 -23 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 40 Comment
  JEPS126369  Downingia montana Steve Matson 2003-6-29 816 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
  OBI20963  Downingia ornatissima Carl B. Wolf 1937-5-12 8615 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  RSA21272  Downingia ornatissima C. B. Wolf 1937-5-12 8615 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  SEINET7249205  Draperia systyla George K. Helmkamp, E. A. Helmkamp 2012-1 Placer Comment
  SEINET6689834  Drymocallis glandulosa var. glandulosa K. Thorne, J. Chandler 1987-6-26 5416 Placer CA Hwy 27, 3.2 miles S of Brockway Summit. Comment
  SEINET6691334  Drymocallis hansenii P. B. Kennedy, S. B. Doten 1901-8-18 417 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  CAS-BOT-BC157894  Drymocallis lactea var. lactea Geo. B. Grant 1906-7-15 7033 Placer Tahoe Tavern Comment
  SEINET6409453  Dryopteris arguta H. N. Mozingo 75 -5 Placer 2 miles east of Auburn, middle fork of American River 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
  CAS-BOT-BC428058  Dudleya cymosa subsp. cymosa Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  JEPS126370  Dysphania botrys Steve Matson 2003-9-6 951 Placer nSNH: Truckee River watershed, 5 air miles west of Tahoe City; Alpine Meadows ski area; base of Kangaroo lift near buildings. Comment
  CAS-BOT-BC113605  Eleocharis acicularis Ira L. Wiggins 1933-8-21 6787 Placer Shores of Lake Tahoe, near Tahoma Comment
  UCD42827  Eleocharis acicularis var. acicularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 193 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC113160  Eleocharis palustris Stanley Galen [S. Galen] Smith 1949-8-21 1508 Placer Marsh between Sandy Beach and Agate Bay, north end of Lake Tahoe Comment
  POM313072  Eleocharis palustris Malcolm A. Nobs, S. Galen Smith 1949-8-21 1508 Placer Placer County: Marsh between sandy beach and Agate Bay, north end of Lake Tahoe Comment
  UC710554  Eleocharis quinqueflora John Thomas Howell 1943-7-19 18575 Placer Summit Valley Comment
  SACT001060  Elymus caput-medusae D. Meyer 1983-5-15 Placer Field at southeast corner. 36.6 Comment
  SD257132  Elymus caput-medusae George K. Helmkamp, Amy Barnes 2014-3-21 22637 Placer Sacremento Valley: Riosa Road at the east side of its junction with CA-65, just west of Sheridan (Sheridan 7.5'Q) 32 Comment
  CAS-BOT-BC227591  Elymus elymoides John Thomas Howell 1943-7-25 18815 Placer West side of Donner Pass near Norden 2133 Comment
  SEINET10564689  Elymus elymoides Alan A. Beetle 1941-5-25 Beetle 2688 Placer 10 miles west of Colfax, sandy soil under Pinus ponderosa, and Quercus crysolepis. 762 Comment
  SEINET3440054 Image available Elymus elymoides George K. Helmkamp, E. A. Helmkamp 2011-7-26 17862 Placer Northern Sierra Nevada Mountains: Emigrant Gap Road, 0.1 mi W of junction with US-80, 0.65 mi NE of Emigrant Gap 1590 Comment
  SACT001073  Elymus elymoides subsp. californicus James Grove 1977-7-15 Placer 2000.0 Comment
  UCD61692  Elymus elymoides subsp. californicus L. S. Smith 1916-6 s.n. Placer Squaw Valley. Comment
  CDA15967  Elymus elymoides subsp. elymoides G. F. Hrusa, J. Glazner 1999-7-17 15119 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC1132963  Elymus elymoides subsp. elymoides G. T. Nordstrom 1934-6-19 120 Placer 1/2 mi ne mouth of Monumental Creek; Tahoe National Forest, Colfax Quadrangle Comment
  SACT001079  Elymus glaucus D. Meyer 1983-10-22 Placer Searchlight ski run, from base up to Olympic Lady chairlif, downhill ski area. 2121.0 Comment
  SACT001090  Elymus glaucus D. Meyer 1983-8-20 Placer Moist roadside meadow with some vegetation after residential construction. 2000.0 Comment
  SACT001092  Elymus glaucus D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT001095  Elymus glaucus D. Meyer 1983-6-18 Placer Moist roadside stream. 667.0 Comment
  SBBG56926  Elymus glaucus M. N. Ackley -Jun-1925 33 Placer Penryn 191 Comment
  UCD22250  Elymus glaucus Rex Palmer 1979-7-12 N 615 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD61795  Elymus glaucus Beecher Crampton 1956-7-17 3724 Placer Railroad embankment, Blue Canyon. 1432 Comment
  UCD61845  Elymus glaucus K. Connelly 1999-8-2 PDR- 122370 8 Placer Truckee. Along side of Rd. 9, off of Hwy. 89. Comment
  CAS-BOT-BC206794  Elymus glaucus subsp. glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  SEINET3821619 Image available Elymus glaucus subsp. glaucus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17863 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi NE (65 degrees) of Emigrant Gap (Blue Canyon 7.5' Q) 1590 Comment
  UCD43896  Elymus glaucus subsp. glaucus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1262 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CHSC73265  Elymus glaucus subsp. jepsonii L. P. Janeway 1998-8-6 5974 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  SACT001108  Elymus glaucus subsp. jepsonii Josephine Van Ess 1977-6-3 Placer Collected at bend in road about .75 mile west of highway 49. Oak woodland, moist. 420.7 Comment
  UCD62569  Elymus repens Tim Morgan 1999-7-19 PDR- 122364 6 Placer At Green Thumb Landscaping, 2865 Hillcrest Ave., Tahoe City. Comment
  UCD62596  Elymus sierrae A. A. Heller 1917-8-13 12919 Placer Ridge northwest of Donner Pass. 2377 Comment
  CAS-BOT-BC204401  Elymus trachycaulus subsp. trachycaulus L. S. Smith 1925-7-15 1686 Placer Tahoe National Forest. French Mdws 1828 Comment
  CHSC74339  Elymus trachycaulus subsp. trachycaulus Susi Urie 1998-9-4 98 -248 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
  CHSC74340  Elymus trachycaulus subsp. trachycaulus Susi Urie 1998-9-2 98 -212 Placer Lake Tahoe Basin-National Forest. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UCD43224  Elymus trachycaulus subsp. trachycaulus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 593 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SACT001156  Elymus triticoides D. Meyer 1984-7-21 Placer sagebrush type vegetation. 1758.0 Comment
  CAS-BOT-BC410299  Enemion occidentale Mary E. Jump 1939-3-30 s.n. Placer Alta Comment
  CAS-BOT-BC410298  Enemion occidentale Serena Philips 1915-4-2 s.n. Placer Mountains near Alta Comment
  CAS-BOT-BC171973  Epilobium canum subsp. latifolium G. L. Stebbins; R. Bacigalupi; F. Ehrendorfer; J. Hunziker; H. Stutz; D. Zohary 1952-7-19 5122 Placer Along North fork Amercian River, 2 miles south of Colfax, about 1/2 mile east of bridge of Iowa Hill Road Comment
  UC69563  Epilobium canum subsp. latifolium Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD75735  Epilobium canum subsp. latifolium Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5197 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
  OBI12068  Epilobium ciliatum Robert F. Hoover 1967-9-5 10844 Placer Carnelian bay, Lake Tahoe Comment
  UCD75765  Epilobium ciliatum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5236 a Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  CHSC72877  Epilobium ciliatum subsp. ciliatum L. P. Janeway; Eric Schroder 1998-7-13 5745 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  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
  CDA15937  Epilobium ciliatum subsp. glandulosum G. F. Hrusa, J. Glazner 1999-7-17 15155 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC572238  Epilobium ciliatum subsp. glandulosum H. S. Yates 1936-8-9 5989 Placer 2 mi sw Martis Peak; Tahoe National Forest, Truckee Quadrangle 2286 Comment
  SEINET4178826 Image available Epilobium glaberrimum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16794 Placer Northerns Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of it's junction with Foresthill Road and just south of a creek crossing.. 1551 Comment
  CHSC74110  Epilobium hallianum Susi Urie 1998-9-1 98 -185 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
  CHSC74851  Epilobium hallianum Susi Urie; Eric Schroder 1998-9-10 98 -320 Placer Lake Tahoe Basin--National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UCD44422  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1788 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD42897  Epilobium hornemannii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 265 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43231  Epilobium hornemannii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 600 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43798  Epilobium hornemannii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1164 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS127507  Epilobium torreyi Steve Matson 2000-6-20 472 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north side of Highway 267, west of Martis Creek Comment
  UC126702  Epilobium torreyi Katharine Brandegee 1889-7-5 Placer Newcastle Comment
  CAS-BOT-BC56949  Equisetum arvense Saichi Kawahara 1969-5-25 909 Placer Henderson Ranch, Indian Creek 987 Comment
  CHSC73128  Equisetum arvense L. P. Janeway; Eric Schroder 1998-9-16 6334 Placer Lake Tahoe Basin Management Unit. About half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  UCD169281  Eragrostis Lowell Ahart 2007-11-13 14599 Placer At the north edge of the town of Sheridan. On the west side of Camp Far West Road, east side of a shallow ditch. 35 Comment
  CAS-BOT-BC284067  Eragrostis pectinacea var. pectinacea Peter H. Raven 1954-8-27 7958 Placer Penryn, Sierra Nevada Comment
  CAS-BOT-BC481927  Eremogone aculeata John H. Thomas; Hazelle A. Thomas 1956-7-21 6108 Placer Sierra Nevada, vicinity of Donner Pass, about 80 mi NE of Sacramento 2377 Comment
  CAS-BOT-BC174192  Eremogone congesta var. congesta Dr. Kellogg s.n. Placer Cisco Comment
  JEPS126426  Eremogone congesta var. congesta Steve Matson 1998-6-21 271 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 meters north of Highway 267. Comment
  JEPS126377  Eremogone kingii var. glabrescens Steve Matson 2004-8-1 1077 Placer Tahoe Basin west shore; Blackwood Canyon; 1/2 mile SE of Barker Pass. 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
  UCD131329  Ericameria bloomeri L. M. Sparks 1912-8-1 51 Placer Lake Tahoe. Comment
  UC55137  Ericameria discoidea Miss Lydia K. Tangier-Smith 1901-1-1 Placer Tahoe, at the Grove Tahoe Comment
  CAS-BOT-BC294276  Ericameria nauseosa var. speciosa M. E. Cantelow 1935-7-20 1018 Placer Brackway Comment
  CAS-BOT-BC294278  Ericameria nauseosa var. speciosa Catherine Best 1985-9-15 1143 Placer Near Sugar Pine Reservoir about 6 miles north of Foresthill 1158 Comment
  CAS-BOT-BC294279  Ericameria nauseosa var. speciosa Baki Kasapligil 1974-10-6 4910 Placer Soda Springs, Sugar Bowl 1828 Comment
  JEPS20180  Ericameria suffruticosa C. F. Sonne 1888-8-12 144 Placer Tinker's Knob Sierra Nevada Mountains, Tinker's Knob Comment
  CAS-BOT-BC293592  Erigeron barbellulatus John Thomas Howell 1943-7-21 18666 Placer Mt. Lincoln Comment
  JEPS71582  Erigeron compositus Gladys L. Smith 1972-6-20 3212 Placer on open plateau about terminus Summit chairlift; Ward Peak 2621 Comment
  CAS-BOT-BC296765  Erigeron coulteri A. A. Heller 1927-8-16 14454 Placer Donner Pass 2133 Comment
  UCD43895  Erigeron coulteri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1261 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  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
  CAS-BOT-BC300817  Erigeron glacialis var. glacialis F. Almeda 1993-7-24 7256 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CAS-BOT-BC300827  Erigeron glacialis var. glacialis Peter Rubtzoff 1976-9-18 8843 Placer Lake Van Norden 2063 Comment
  CAS-BOT-BC300830  Erigeron glacialis var. glacialis Alice Eastwood 1909-1-1 302 Placer Lake Tahoe Region. Wards Pass Comment
  SD6235  Erigeron glacialis var. glacialis unknown Jun 1914 Placer Cisco Comment
Read comments
Jul 11 2010
  CAS-BOT-BC295204  Erigeron inornatus A. A. Heller 1916-8-13 12895 Placer Summit Station 2133 Comment
  UC1950986  Erigeron inornatus var. inornatus G. K. Helmkamp, E. A. Helmkamp 2005-10-1 9980 Placer Northern Sierra Nevada Mtns.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca 2.2 mi W of CA Highway 89 and just S of Alpine Meadows Road) Tahoe City 7.5' Quad Comment
  UCR206674  Erigeron inornatus var. inornatus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15194 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  JEPS16941  Erigeron inornatus var. inornatus Peter H. Raven 1956-8-4 10003 Placer dirt road n of Emigrant Gap 1493 Comment
  JEPS126428  Erigeron miser Steve Matson 2004-6-20 1056 Placer nSNH; just off Old Donner Summit Road (Highway 40); 300 yards east of Old Donner Summit. Comment
  POM160243  Erigeron miser C. T. Sonne 1897-08 s.n. Placer Above Donner Lake Comment
  RSA0049720  Erigeron miser Dean Wm. Taylor 2013-8-7 21396 Placer Coldstream Valley, headwaters of Cold Creek, draining the southeast flank of Mt. Judah 1889 Comment
  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
  UCD69356  Erigeron miser S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. Old-growth red fir forests (Abies magnifica) near French Meadows. 2100 Comment
  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
  CAS-BOT-BC295969  Erigeron philadelphicus Mrs. H. M. Mitchell 1923-4-26 s.n. Placer Gold Run Comment
  POM260423  Eriodictyon californicum C. L. Hitchcock 1940-5-14 6376 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UCD119307  Eriodictyon lobbii Walter H. Johnson 1958-11-14 s.n. Placer Near Blue Canyon on Highway 40. 1584 Comment
  JEPS72790  Eriogonum incanum Gladys L. Smith 1972-6-20 3254 Placer slope just below Ward Peak summit 2628 Comment
  UC849509  Eriogonum lobbii var. lobbii A. A. Heller 1917-8-14 12923 Placer s Summit Valley; Mt. Lincoln 2499 Comment
  JEPS72783  Eriogonum lobbii var. lobbii Gladys L. Smith 1972-8-25 3424 Placer above Squaw Valley; Granite Chief 2773 Comment
  SEINET3405037 Image available Eriogonum luteolum var. pedunculatum Marcus E. Jones 1882-7-3 2840 Placer Colfax Comment
  CAS-BOT-BC263699  Eriogonum luteolum var. pedunculatum F. A. Mac Fadden 1934-7-2 s.n. Placer American River, near Rawhide Mine Comment
  UC1334173  Eriogonum luteolum var. pedunculatum Thomas Morley 1946-9-28 818 Placer near electric pole line 1 1/2 mi nne Alta; Sierra Nevada 1188 Comment
  POM165486  Eriogonum marifolium George B. Grant 1906-7-20 s.n. Placer Lake Tahoe, Sierra Nevada Mountains [Placer or El Dorado County]. 1829 Comment
  CAS-BOT-BC263292  Eriogonum marifolium var. marifolium Arnold Tiehm 1974-8-8 523 Placer South of Murphy's Meadow 2407 Comment
  CAS-BOT-BC264805  Eriogonum nudum var. deductum unspecified No date on label. 12884 Placer Summit Station 2121 Comment
  UC1204700  Eriogonum nudum var. deductum N. French 1934-6-6 350 Placer 1/2 mi w Lake Van Norden; Tahoe NF, Truckee Quadrangle Comment
  UC849631  Eriogonum nudum var. deductum Marcus E. Jones, A. M. 1882-6-29 3469 Placer Emigrant Gap Comment
  UCR231835  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16786 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
  UCR240964  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2012-9-25 19916 Placer Northern Sierra Nevada Mountains, junction of Nyack Road and I-80 in the Emigrant Gap area 1652 Comment
  SD50757  Eriogonum nudum var. pubiflorum Darley F. Howe 1959-8-1 2769 Placer 2 miles north of Auburn 456 Comment
  UC635007  Eriogonum nudum var. pubiflorum H. L. Mason 1929-10-4 5450 Placer 3 mi s on Folsom Road Roseville Comment
  UCD149516  Eriogonum prattenianum G. L. Stebbins 1970-7-19 7063 Placer Above North Fork of Middle Fork of the American River. 2 miles northeast of Last Chance. (Exact location unknown. Coordinates estimated by label maker.) 1341 Comment
  UC84513 Image available Eriogonum rosense C. F. Sonne 1886-7-18 Placer Truckee River Sierra Nevada Mountains, Head of Squaw Valley, Truckee River Comment
  CAS-BOT-BC269944  Eriogonum spergulinum var. reddingianum Lowell Ahart 1972-7-7 s.n. Placer French Meadows 1524 Comment
  CDA15882  Eriogonum spergulinum var. reddingianum G. F. Hrusa, L. Serafini 1993-6-29 11258 Placer S side of French Meadows Reservoir immediately below dam. Comment
  UC565910  Eriogonum spergulinum var. reddingianum B. Bolt 1934-7-11 100 Placer Cascade Lake Truckee Quadrangle, Cascade Lake 2042 Comment
  CAS-BOT-BC205643  Eriogonum umbellatum James R. Shevock 1985-8-9 11335 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  CAS-BOT-BC265156  Eriogonum umbellatum var. nevadense A. Roberts 1898-8-1 s.n. Placer Summit Soda Springs, Donner Cr. Comment
  CHSC79800  Eriogonum umbellatum var. nevadense G. F. Hrusa; J. Glazner 1999-7-18 15236 Placer Betw. Squaw Cr, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434N, 07418E. 1889 Comment
  JEPS111107  Eriogonum umbellatum var. nevadense Steve Matson 2005-7-16 1399 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  UC6504  Eriogonum umbellatum var. nevadense C. J. Fox Jr. July 1895 Placer near Deer Park Inn Comment
  UCD75742  Eriogonum umbellatum var. nevadense Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5206 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
  CDA22677  Eriogonum umbellatum var. torreyanum C. Pyle 1978-8-9 Placer East side of Silver Peak about 1.5 miles northwest of Squaw Valley. Comment
  SEINET5332028  Eriogonum umbellatum var. torreyanum C. Pyle 1983-1 s.n. Placer East side of Silver Peak about 1.5 miles northwest of Squaw Valley. 2438 Comment
  RSA793116  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  SD22254  Eriogonum ursinum Marcus E. Jones June 1882 Placer Emigrant Gap Comment
  UC128135  Eriogonum ursinum Miss Harriet A. Walker 1908-7-26 1432 Placer Cisco 1810 Comment
  UC569819  Eriogonum ursinum B. Bolt 1934-7-16 121 Placer 1 1/4 mi se mouth of Serena Creek; Truckee Quadrangle 2042 Comment
  UC77785  Eriogonum ursinum C. F. Sonne 1894-9-2 Placer mts. s Summit Station; Sierra Nevada Mountains 2438 Comment
  CAS-BOT-BC262227  Eriogonum ursinum David D. Keck 1932-6-30 1576 Placer 1 mile E. of Cisco 1800 Comment
  CAS-BOT-BC262235  Eriogonum ursinum A. Kellogg No date on label s.n. Placer Sierra Nevada Mts Comment
  UC1735864  Eriogonum ursinum var. ursinum Dean W. Taylor 1971-7-22 1109 Placer trail from Soda Springs to the Snow Mountain area, ca. 3 miles N of Snow Mtn, 2133 Comment
  UCD34056  Eriogonum wrightii Beecher Crampton 1975-10-14 9329 Placer Placer County, Emigrant Gap area on Hwy. 80 just east of Vista Point. 1524 Comment
  UCR201908  Eriogonum wrightii var. subscaposum George K. Helmkamp, E. A. Helmkamp 2008-8-20 14023 Placer Northern Sierra Nevada Mountains, Donner Pass Road on the west side of Donner Pass and east of Norden 2149 Comment
  CAS-BOT-BC300951  Eriophyllum lanatum L. S. Smith 1926-5-23 1831 Placer Tahoe National Forest. Above Bear River, Colfax Rd. 853 Comment
  UCR206728  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2009-7-16 15198 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 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-BC301411  Eriophyllum lanatum var. grandiflorum A. A. Heller 1917-6-19 12745 Placer 4 miles east of Colfax Comment
  LA203611  Eriophyllum lanatum var. grandiflorum Lincoln Constance; Helen Sharsmith 1933-5-14 E 21 Placer Auburn Comment
  POM51125  Eriophyllum lanatum var. grandiflorum H. M. Hall 1916-6-3 10147 Placer Near Rocklin (E side Sacramento Valley) 122 Comment
  RSA129768  Eriophyllum lanatum var. grandiflorum N. H. French 1934-5-31 382 Placer Mamouth Springs 1677 Comment
  UC566755  Eriophyllum lanatum var. grandiflorum H. L. Mason 1926-5-28 3275 Placer 5 mi above Auburn Comment
  UC567174  Eriophyllum lanatum var. grandiflorum N. French 1934-5-31 382 Placer s Monumental Hill; Colfax Quadrangle, North Fork American River, Mammoth Spring 1676 Comment
  UCD132212  Eriophyllum lanatum var. grandiflorum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10426 Placer Northern Sierra Nevada Foothills. 2.1 miles south of Auburn along CA Hwy 49. 293 Comment
  CAS-BOT-BC308245  Eriophyllum lanatum var. integrifolium M. E. Jones 1882-6-30 s.n. Placer Emigrant Gap Comment
  CDA12398  Eriophyllum lanatum var. integrifolium G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8526 a Placer Lake Tahoe; Peak at W end of N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UC148941  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-6-10 8753 a Placer Cisco Butte; near type-locality of Bahia cuneata 1950 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
  UCD103238  Erodium cicutarium Terri Williamson 1990-4-15 7 Placer 22587 Sunset Ridge Dr. Lake of the Pines. 365 Comment
  JEPS16982  Eryngium castrense W. L. Jepson 1924-7-25 10650 Placer Lincoln Comment
  POM94578  Erysimum capitatum Marcus E. Jones 1882-6-28 2620 Placer Emigrant Gap. Comment
  JEPS126363  Erysimum capitatum var. capitatum Steve Matson 1998-6-23 283 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west from Tiger Ave. 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
  CAS-BOT-BC150224  Erythranthe guttata Saichi Kawahara 1969-5-24 1010 Placer Mel Henderson Ranch on the east bank of Indian Creek 987 Comment
  SEINET14217904  Erythranthe guttata F. H. Hillman 1894-1 s.n. Placer Between Truckee and Lake Tahoe. Comment
  CAS-BOT-BC153593  Erythranthe moniliformis F. Almeda 1993-7-25 7299 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 Comment
  OBI49255  Erythranthe moniliformis Lewis S. Rose 1941-7-12 41308 Placer Chambers Lodge, (McKinney), Lake Tahoe 1920 Comment
  SEINET4678047  Erythranthe pardalis Barbara Ertter, David M. Thompson 1989-4-8 8173 Placer Iowa Creek Road ca 2 miles from I-80 near entrance to Auburn State Recreation Area.; 0 518 Comment
  UCD74355  Erythronium californicum G. Ledyard Stebbins 1968-4-7 6669 Placer Mosquito Ridge, east of Forest Hill. Along road, 2.7 miles northeast of turnoff to P.G. and E. dam and powerhouse. (Exact location unknown. Coordinates estimated by label maker. This location and elevation was taken from Stebbins's notebook, however, he also made a label with different label information that says: North Side of Mosquito Ridge, north of the Middle Fork of the American River. T14N, R12E, Section 30, elevation 3200 ft. The date on this label is 1 May 1968.) 853 Comment
  CAS-BOT-BC501121  Erythronium californicum C. L. Hitchcock 1940-5-7 6310 Placer Ca. 1 mile west of Baxter Comment
  SEINET3991621  Erythronium californicum Unknown 1940-5-7 6310 Placer 1 mile west of Baxter. Comment
  UCR207851  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2009-4-22 14557 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 0.8 mile east of its junction with CA-49 and the North and Middle Forks of the American River 277 Comment
  UCR238610  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2012-3-31 18645 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  SD113752  Eschscholzia lobbii Darley F. Howe 1948-5-21 1917 Placer Comment
  SEINET2470968  Eucephalus breweri K. Christie 2010-7-22 1909 Placer Lake Tahoe Basin Management Unit (USFS); ca. 1.0 mi. southeast of Martis Peak. 2407 Comment
  SJSU11797  Eucephalus breweri H. T. Harvey 1958-8-19 Placer Sugar Bowl 1 mi S of Donner Summit 2164 Comment
  UC894600  Eucephalus breweri A. A. Heller 1916-8-13 12908 Placer Summit Hotel 2133 Comment
  UCR233384  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2011-8-26 18164 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill 2020 Comment
  POM260049  Euphorbia crenulata C. L. Hitchcock 1940-5-7 6307 Placer 1 mile west of Baxter. Comment
  SD113526  Euphorbia crenulata Darley F. Howe 1948-5-23 1816 Placer American River 299 Comment
  CDA33332  Euphorbia epithymoides J. Honeycutt 2010-6-25 PDR# 1332623 Placer Tahoma; Hwy 89 right-of-way 0 Comment
  UCR123375  Euphorbia nutans George K. Helmkamp, E. A. Helmkamp 1999-6-29 5052 Placer Sierra Nevada Foothills, corner of Dry Creek Rd & Bowman Rd, near Nielsburg, 3 mi NE of Auburn beside I-80 & 1.5 NW of North Fork Lake on American River 457 Comment
  CAS-BOT-BC312160  Eurybia integrifolia Lewis S. Rose 1938-9-14 38264 Placer South Fork of Yuba River, 3 mi. e. of Cisco 1737 Comment
  UC128136  Eurybia integrifolia Miss Harriet A. Walker 1908-7-26 1438 Placer Cisco 1810 Comment
  UCD42899  Eurybia integrifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 267 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC459216  Euthamia occidentalis G. P. Rixford 1913-9-2 3167 Placer Loomis Comment
  UC896646  Euthamia occidentalis G. P. Rixford 1913-9-2 Placer Loomis Comment
  UCD43902  Festuca idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1268 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC278792  Festuca occidentalis Saichi Kawahara 1969-5-25 889 Placer North of old cabin, Mel Anderson Ranch, Indian Creek 999 Comment
  SACT001181  Festuca pratensis D. Meyer 1983-7-30 Placer Roadside 1842.0 Comment
  UCD43061  Festuca viridula C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 429 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  JEPS127416  Floerkea proserpinacoides Steve Matson 2004-7-13 1048 Placer Tahoe Basin west shore; Ward Canyon. Comment
  UCD113124  Frangula rubra Beecher Crampton 1975-10-14 9323 Placer Blue Canyon airport area. 1524 Comment
  UCD144217  Frangula rubra Frederic Hrusa; L. Serafini 1993-6-29 11261 Placer Duncan Creek approximately 5 meters upstream from Mosquito Ridge Road bridge crossing. 1 mile north of French Meadows Reservoir. 1400 Comment
  CAS-BOT-BC55704  Frangula rubra subsp. obtusissima Carl B. Wolf 1928-8-22 3433 Placer 1 mi. W. of Emigrant Gap 1636 Comment
  LA93377  Fritillaria agrestis Lynn Gould; 1962-3-31 15 Placer 2 mi. W of Roseville on Central Avenue Comment
  UCD139655  Fritillaria agrestis Lynn Gould 1962-3-31 15 Placer 2 miles west of Roseville on Central Avenue. Comment
  JEPS73035  Fritillaria atropurpurea Gladys L. Smith 1972-6-19 3169 Placer Tahoe City 1901 Comment
  RSA25140  Fritillaria micrantha C. L. Hitchcock 1940-5-7 6335 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC505324  Fritillaria micrantha Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  SEINET8478955  Fritillaria phaeanthera A. Badiei 1962-3-17 s.n. Placer 3 miles E of Auburn, North Fork American River. 610 Comment
  SCFS11529118  Galium F. Felix, E. Krimmel 2012-7-27 Placer NFAm. Stop #1, Swimming Hole Trail Comment
  UCD44474  Galium C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1840 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44563  Galium C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1929 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SCFS1021  Galium E. Krimmel 2013-7-28 Placer North Fork American River, trail to Heath Falls Overlook. Stop #1 Comment
  RSA0039077  Galium aparine George K. Helmkamp, Mary Alice Barnes 2013-5-3 20466 Placer SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UC147570  Galium aparine Harriet A. Walker 1908-6-23 1220 Placer Blue Canyon 1432 Comment
  UC28188  Galium bifolium Kellogg June 1870 Placer Cisco Comment
  UC147594  Galium bolanderi Harriet A. Walker 1908-6-25 1290 Placer Blue Canyon 1432 Comment
  UCR240750  Galium bolanderi George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19808 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  JEPS72404  Galium grayanum Gladys L. Smith, Betsy and Norman Wilson 1972-7-7 3600 Placer summit Ward Peak 2621 Comment
  SD241177  Galium murale George K. Helmkamp, E. A. Helmkamp 2010-4-17 15881 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 313 Comment
  UCD42848  Galium trifidum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 214 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC1122680  Garrya fremontii C. R. Clar, N. French 1933-5-19 123 Placer Iowa Hill Road; Colfax Quad. 822 Comment
  SACT001234  Gastridium ventricosum D. Meyer 1984-6-17 Placer 545.0 Comment
  CAS-BOT-BC56287  Gaultheria ovatifolia G. L. Stebbins 1968-6-20 6725 Placer Placer County Big Trees Reserve 1584 Comment
  UCD117439  Gaultheria ovatifolia P. W. Rundel 1967-9-6 2652 Placer American River Grove of Sierra redwoods; Tahoe National Forest, ca. 20 miles NE of Foresthill; Greek Store. 7 1/2 min. Comment
  POM294351  Gayophytum Lyman Benson 1947-8-12 12795 Placer Near Emigrant Gap, Sierra Nevada mountain range, American River drainage area 1220 Comment
  UCD103742  Gayophytum L. M. Sparks 1912-7-1 67 Placer Lake Tahoe. 1920 Comment
  UCD22101  Gayophytum diffusum Rex Palmer 1979-7-11 N 588 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR179199  Gayophytum diffusum Rex Palmer 1979-7-25 N- 681 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  UC147607  Gayophytum diffusum subsp. parviflorum Harriet A. Walker 1908-6-25 1304 Placer Cisco 1810 Comment
  UC570311  Gayophytum heterozygum N. French 1934-6-22 454 Placer 1/2 mi w Lake Norden; Truckee Quadrangle 2286 Comment
  UC22750  Gentiana calycosa C. F. Sonne 1887-8-7 Placer mtns above Coldstream; Sierra Nevada Mountains Comment
  UCD150770  Gentiana calycosa James A. Neilson Jr. 1971-8-31 2587 Placer Tahoe Basin, South fork of Blackwood Creek. 2438 Comment
  RSA0028447  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-5-12 17258 Placer south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 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
  RSA531311  Geum canescens Walter Wisura, T. Hayduk, Q. Junzhuan 1991-8-22 4544 Placer Squaw Valley beyond upper cable car station. on SW slope below a rocky summit. Comment
  JEPS127449  Geum macrophyllum var. perincisum Steve Matson 1997-7-25 132 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; North Ave. Comment
  JEPS111121  Geum triflorum Steve Matson 2005-7-30 1426 Placer Squaw Valley ski area, about 1.6 km SSW of High Camp (top of tramway), north side of ridge high point facing large rocky pinnacle (south of Emigrant Pass) 39.1885 N, 120.2775 W; elevation 8,700 ft. 2651 Comment
  CHSC83145  Gilia capitata Renee Shahrok 1986-6-24 16 Placer Junction of Old Foresthill Rd. and Hwy 49. 195 Comment
  UCD19282  Gilia capitata Renee Shahrok 1986-6-24 16 Placer junction of Old Foresthill Rd. and Hwy 49. 195 Comment
  UC147605  Gilia capitata subsp. mediomontana Harriet A. Walker 1908-6-27 1325 Placer Blue Canyon 1432 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
  RSA0107826  Gilia capitata subsp. pedemontana George K. Helmkamp, Amy Barnes 2014-4-23 22787 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River. 290 Comment
  UCR120494  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-30 5072 Placer Northern Sierra Nevada Range, Truckee River, c. 4 mi upstream from Lake Tahoe; 1.1 mi south of Squaw Valley Road 1860 Comment
  RSA537481  Gilia tricolor subsp. diffusa Barbara Ertter, David M. Thompson 1989-4-8 8156 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  UCD55212  Glyceria declinata John Gerlach 2006-5-6 s.n. Placer Twelve Bridges. Comment
  CDA13797  Glyceria elata G. F. Hrusa, J. Glazner 1997-8-3 14046 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Wet opening on hillside spring among thicket of Alnus incana and Rhamnus alnifolia. Small colony. Difficult to separate from G. elata except smaller in all parts. Comment
  CHSC73275  Glyceria elata L. P. Janeway 1998-8-6 5975 Placer Lake Tahoe Basin-National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC75334  Glyceria elata Susi Urie; Eric Schroder 1998-9-12 98 -366 Placer Lake Tahoe Basin-National Forest. Meadow complex on the south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  SACT001262  Glyceria elata Michael Baad 1983-6-26 Placer On road to Michigan Bluff. Roadwaters of Volcano Creek. 1005.0 Comment
  UCD22252  Glyceria striata Rex Palmer 1979-7-26 N 850 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT001273  Glyceria striata D. Meyer 1984-7-29 Placer Road to Soda Springs. 1661.0 Comment
  UCR259869  Gnaphalium luteoalbum George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22467 Placer Sacramento Valley, West Wise Road just east of the junction with California Lane, north of Lincoln 56 Comment
  CHSC73932  Gnaphalium palustre Susie Urie 1998-8-19 98 -085 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CHSC97765  Gnaphalium palustre Lowell Ahart 2007-11-13 14597 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan. 73 Comment
  UCD42866  Gnaphalium palustre C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 233 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43214  Gnaphalium palustre C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 583 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR19394  Gnaphalium palustre George K. Helmkamp, E. A. Helmkamp 2012-9-25 19905 Placer Northern Sierra Nevada Mountains, Blue Canyon Road, 1.1 miles south of its intersection with I-80, c. 1/2 mi. south of Blue Canyon-Nyack Airport 1473 Comment
  SCFS1153  Goodyera oblongifolia E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #6. Comment
  CHSC67701  Gratiola ebracteata James D. Jokerst 1986-4-14 2620 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  CHSC67756  Gratiola ebracteata James D. Jokerst 1986-4-14 2626 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. Comment
  CHSC84567  Gratiola ebracteata John Dittes 2003-5-25 2003 -24 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In beds of vernal pools. 39 Comment
  CAS-BOT-BC235482  Gratiola heterosepala Craig P. Martz 1989-4-20 281 Placer Approximately 2.2 airmiles northwest of Lincoln, east of State Route 65 47 Comment
  UCD159462  Grindelia camporum D. S. Park 2010-8-11 216 Placer Hiking trail off Old Forest Hill Rd. overlooking American River. Common. Growing along mountainside. 176 Comment
  UCR218246  Grindelia hirsutula var. davyi George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16432 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
  UC112818  Hackelia micrantha Katharine Brandegee July 1908 Placer Lake Van Orden Comment
  JEPS71517  Hackelia nervosa Gladys L. Smith 1972-6-20 3241 A Placer ridge from chairlift terminus to Ultimate Summit Peak; Ward Peak 2632 Comment
  POM181063  Hackelia nervosa A. A. Heller 1912-7-20 10591 Placer Summit. 2073 Comment
  POM308717  Hackelia nervosa Betty J. Jorgensen 1944-6-24 493 Placer Kid Lake about 5 miles SW of Soda Springs. Comment
  JEPS35433  Helenium puberulum W. H. Shockley 1886-6-1 Placer Auburn Comment
  UC311608  Helianthella californica subsp. nevadensis Dr. H. M. Evans 1918-7-1 Placer Donner Tahoe Region 2133 Comment
  CAS-BOT-BC314784  Helianthella californica var. nevadensis F. Almeda 1993-7-24 7276 Placer About 15 miles SE of Interstea Hwy. #80 at Soda Springs on the trail to Upper Sheep Valley, Sierra Nevada 2133 Comment
  UC195752  Helianthus annuus C. F. Sonne 1887-8-28 Placer Truckee River Comment
  CAS-BOT-BC314975  Hemizonella minima Harriet A. Walker 1910-6-1 2036 Placer Deer Park, Lake Tahoe District Comment
  SEINET11197277 Image available Hemizonella minima H. A. Walker 2036 Placer Deer Park in the Lake Tahoe district Comment
  CDA38360  Heracleum lanatum T. C. Fuller 1973-8-23 19979 Placer Sierra Nevada; Southeast of Robinson Flat Guard Station. Comment
  SEINET9343148  Herniaria hirsuta Unknown 2010-6-26 16373 Placer Sierra Nevada Mountains Foothills Comment
  UC88279  Hesperevax acaulis var. robustior B. 1884-4-1 Placer Roseville Comment
  UC614683  Hesperochiron californicus L. Constance 1938-6-6 2280 Placer 6.5 mi. w. Cisco; Sierra Nevada 1584 Comment
  CAS-BOT-BC403800  Hesperocnide tenella Lowell Ahart 1975-4-7 s.n. Placer Near Lincoln. In a field 1/4 mile north-east from the intersection of Wise Road and McCourtney Road which is north of Lincoln 39 Comment
  UCR194936  Hesperolinon californicum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12017 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  CHSC82577  Heterocodon rariflorum Lowell Ahart 2002-7-22 9883 Placer About 40 yards northwest of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1774 Comment
  SFV18651  Heterocodon rariflorum J. D. Dilley 2002-7-3 466 Placer Sierra Nevada Onion Valley south of Emigrant Gap. Mudflat by stream in an area burned one year ago (Gap Fire 2001). Comment
  UCR218219  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2010-6-26 16418 Placer Sierra Nevada Mountains Foothills, along CA-49 in the section dropping rapidly to the American River forks; about 1/2 mile east of Auburn 355 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
  LA100707  Heterotheca villosa var. minor E. Stern; 1981-8-2 Placer The Cedars Comment
  SEINET6031227  Heuchera micrantha S. Dean 1979-3-31 s.n. Placer Eldorado Creek near junction with N. fork of Middle Fork of American River on Mosquito Ridge Rd 518 Comment
  UC11368  Heuchera rubescens var. glandulosa Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC319601  Hieracium albiflorum Ira L. Wiggins 1933-8-21 6781 Placer Shores of Lake Tahoe near Tahoma Comment
  UCD21775  Hieracium albiflorum Beth Lowe Corbin 1982-8-3 198 Placer Hill west of Onion Creek campground. In fine, sandy, granitic soil, in disturbed slide area. Taprooted perennial. Flowers white. Milky sap. Full sun. SW facing slope, 30% incline. Several plants localized. 1853 Comment
  UCD21776  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR232623  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16635 Placer Northern Sierra Nevada Mountains, Forest Route 10 (Sugar Pine Rd.), 0.8 mile north of its junction with Forest Hill Road, 8.2 miles NE (34 deg. ) of Foresthill 1311 Comment
  SEINET11259306 Image available Hieracium albiflorum F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe Comment
  UC464478  Hieracium albiflorum R. M. Holman 1931-8-8 Placer 300 yds w Echo Summit (on Lincoln Hwy above Tahoe); Firs Camp Grounds 2286 Comment
  JEPS126276  Hippuris vulgaris Steve Matson 2002-6-16 532 Placer Truckee River Canyon about 1 mile downstream (west) of Tahoe City and Highway 89, next to Tahoe Rim Trail. Comment
  UCD105891  Hoita orbicularis Richard F. Davis 1953-8-1 s.n. Placer From a meadow near Forest Hills. Comment
  SACT001284  Holcus lanatus Josephine Van Ess 1976-6-16 Placer Collected just south of Douglas Blvd. Moist streambank. Comment
  SACT001292  Holcus lanatus D. Meyer 1983-7-16 Placer 1212.0 Comment
  UC415595  Holodiscus discolor C. F. Sonne 1886-7-17 Placer along Truckee River, Placer Co. Comment
  CAS-BOT-BC150147  Holodiscus microphyllus var. microphyllus Charlotte Pyle 1977-8-29 s.n. Placer Diamond Crossing on Powderhorn Creek ca. 4.5 miles southwest of Ward Peak 1828 Comment
  SACT001311  Hordeum brachyantherum D. Meyer 1983-8-7 Placer Near gate leading into ski area parking lot moist meadow with many sedges. 2073.0 Comment
  SEINET2473479 Image available Hordeum brachyantherum George K. Helmkamp, E. A. Helmkamp 2010-1 16400 Placer Sierra Nevada Mountains Foothills; Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 590 Comment
  UCR218116  Hordeum brachyantherum George K. Helmkamp, E. A. Helmkamp 2010-6-26 16400 Placer Sierra Nevada Mountains Foothills, Yankee Jim's Road in Bunch Canyon, 0.5 mile southeast of its junction with Canyon Way 591 Comment
  SACT001324  Hordeum californicum D. Meyer 1983-8-20 Placer Moist roadside meadow some revegetation following residential construction. 2000.0 Comment
  SACT001340  Hordeum geniculatum D. Meyer 1983-7-3 Placer 1152.0 Comment
  SACT001347  Hordeum jubatum D. Meyer 1983-10-22 Placer Searchlight ski run from base to Olympic Lady chairlift downhill ski area. 2121.0 Comment
  SACT001368  Hordeum leporinum Josephine Van Ess 1977-4-29 Placer 39.6 Comment
  SACT001371  Hordeum leporinum D. Meyer 1983-6-5 Placer Roadside ditch. 829.056 Comment
  SEINET4670481  Hordeum murinum subsp. leporinum W. D. Billings 1940-3-31 1277 Placer Canyon of Yuba River, 5 miles southeast of Auburn Comment
  SEINET4670488  Hordeum murinum subsp. leporinum R. Oliver 1976-4-13 s.n. Placer Auburn 366 Comment
  RSA122262  Horkelia fusca subsp. parviflora B. Bolt 1934-7-16 124 Placer 1/2 mile S of Lost Emigrant Mine. 2073 Comment
  UC1128154  Horkelia fusca subsp. parviflora B. Bolt 1934-7-16 124 Placer 1/2 mi s Lost Emigrant Mine; Truckee Quad., Tahoe National Forest 2072 Comment
  SEINET9349643  Horkelia tridentata Unknown 2009-5-11 14651 Placer Sierra Nevada Mountains Foothills Comment
  CAS-BOT-BC537982  Horkelia tridentata var. tridentata Dr. A. Kellogg 1870-6-14 s. n. Placer Cisco 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
  SEINET11259362 Image available Hulsea californica A. Tiehm 1973-10-16 s.n. Placer Bank of North Fork of American River near union with Middle Fork 305 Comment
Read comments
May 12 2020
  JEPS1655  Hydrophyllum occidentale Lloyd Austin 1924-1 Placer Alta Comment
  CAS-BOT-BC400938  Hypericum anagalloides John Thomas Howell 1943-7-26 18857 Placer Sugar Bowl nw. of Mt. Lincoln Comment
  CHSC74224  Hypericum anagalloides Susi Urie 1998-9-4 98 -271 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  SJSU8045  Hypericum anagalloides R. L. Fisher 1959-6-26 Placer Yuba Gap, Hwy 40 1676 Comment
  UCR111003  Hypericum anagalloides George K. Helmkamp, E. A. Helmkamp 1999-6-30 5108 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  UCR151578  Hypericum anagalloides Beecher Crampton 1952-11-9 925 Placer 6 mi east of Auburn 457 Comment
  UCD110360  Hypericum concinnum Jean Dougherty 1986-5-31 86 -25 Placer On Mosquito Ridge Road, 0.3 miles after junction with Foresthill Road. Comment
  SDSU6899  Hypericum mutilum D. F. Howe 1961-7-8 3136 Placer By canal 4 miles north of Auburn. 457 Comment
  SD81186  Hypericum perforatum Darley F. Howe 1971-6-24 Placer 1.4 miles east of Forest Hill. 1096 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
  OBI4719  Hypericum perforatum T. C. Fuller 1964-6-26 12253 Placer N side of fwy US 80 to Donner Summit, 0.2 mi of Gold Run. Sierra Nevada 762 Comment
  UCD110375  Hypericum perforatum subsp. perforatum G. K. Helmkamp; Elizabeth A. Helmkamp 2006-6-14 10709 Placer Northern Sierra Nevada foothills: 0.2 mile north of Forest Hill Road on unnamed road to Lake Clementine (general area northeast of Auburn on Forest Hill Divide). 488 Comment
  UC52522  Ipomopsis aggregata Miss Ora Boring July 1901 Placer Lake Tahoe Comment
  UCD118224  Ipomopsis aggregata Mrs. Raus 1935-7-10 s.n. Placer Lake Tahoe. Comment
  SBBG58361  Ipomopsis aggregata subsp. aggregata M. N. Ackley -Jun-1925 813 Placer Gold Run 983 Comment
  POM319890  Ipomopsis aggregata subsp. formosissima Barbara Shervanick 1972-06 635 Placer Devil's peak, Sierra Nevada, Rubion River drainage area 1616 Comment
  POM65906  Ipomopsis aggregata subsp. formosissima C. J. Fox 1895-07 11412 Placer Near Squaw Peak Comment
  RSA795076  Ipomopsis aggregata subsp. formosissima George K. Helmkamp, E. A. Helmkamp 2011-8-26 18180 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UC23473  Ipomopsis congesta C. J. Fox Jr. 1895-7-1 Placer near Squaw Peak Comment
  CAS-BOT-BC133609  Iris hartwegii Kate E. Phelps 1937-5-28 s.n. Placer Applegate Comment
  CAS-BOT-BC133613  Iris hartwegii G. E. Poore 1913-4-30 188 Placer Tahoe National Forest, Quaker Hill Comment
  UCD138734  Iris hartwegii subsp. hartwegii K. O'Keefe 1995-6-4 s.n. Placer along Forest Hill Road, about 4 miles east of Forest Hill (town). Western Sierra foothills. 900 Comment
  UCD138757  Iris macrosiphon A. S. Crafts 1926-5-1 792 Placer American River Canyon. Comment
  RSA136471  Iris macrosiphon Lee W. Lenz, E. K. Balls 1955-5-12 20473 Placer U.S. Highway 40, at Colfax 762 Comment
  UC614832  Isoetes bolanderi Beryl O. Schreiber 1933-7-21 906 Placer Homewood; Lake Tahoe Comment
  UC9316  Isopyrum occidentale H. N. Bolander 1865-4-12 4553 Placer near Forest Hill; near Forest Hill Comment
  UCD43816  Ivesia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1182 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC830912  Jensia rammii C. L. Hitchcock 1940-5-14 6394 Placer ca 6 mi n Colfax; Meier Ranch 762 Comment
  UCD44492  Juncus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1858 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  POM312918  Juncus articulatus Malcolm A. Nobs, S. Galen Smith 1949-8-22 1537 Placer Marshy pool 6 miles northwest of Auburn on Dunn s Dam Road. Comment
  JEPS99469  Juncus bufonius Steve Matson 2002-6-29 537 Placer Tahoe Vista, main pond meadow, 50 m E of pond, 50 m N of Hwy 28 Tahoe Basin, Snow Creek watershed 1901 Comment
  POM111245  Juncus bufonius Marcus E. Jones 1882-7-4 s.n. Placer Colfax Comment
  CHSC81835  Juncus bufonius var. bufonius Lowell Ahart 2001-10-10 9348 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about a 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  CHSC96502  Juncus bufonius var. bufonius Lowell Ahart; Brian Williams 2007-4-13 13657 Placer On damp granite soil, on the bottom and sides of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CDA12383  Juncus chlorocephalus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8511 A Placer Lake Tahoe; on N side of Ward Valley 4 m SW Tahoe City. Comment
  JEPS49025  Juncus chlorocephalus Leland S. Smith 1927-8-15 2253 Placer n of Donner Summit 2200 Comment
Read comments
Dec 13 2006
  CHSC73103  Juncus ensifolius L. P. Janeway 1998-8-6 5980 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
  UC1101105  Juncus ensifolius Malcolm A. Nobs and S. Galen Smith 1949-8-21 1518 Placer n end Lake Tahoe (between sandy beach and Agate Bay) Comment
  UCD162589  Juncus macrandrus Steve Matson 2002-8-17 700 Placer nSNH; Tahoe north shore; Burton Creek watershed, near Tahoe City and North Tahoe High School. 2011 Comment
  UCD162586  Juncus mertensianus Steve Matson 2002-8-11 688 Placer nSNH; Tahoe Basin; Desolation Wilderness; Cascade Creek watershed; Tallac Lake. 2407 Comment
  CHSC74324  Juncus nevadensis Susi Urie 1998-9-4 98 -252 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
  UCD43326  Juncus nevadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 694 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD44641  Juncus nevadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2007 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CDA15929  Juncus orthophyllus G. F. Hrusa, J. Glazner 1999-7-17 15180 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  RSA494793  Juncus orthophyllus Lyman Benson 1942-7-2 11244 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CDA16801  Juncus parryi G. F. Hrusa, J. Glazner 2001-7-15 15940 Placer Sierra Nevada; N side of saddle immed. E of summit of Crows Nest Pk. W of Sugarbowl. 2346 Comment
  JEPS111298  Juncus parryi Steve Matson 2005-8-7 1456 Placer Pole Creek, Truckee River watershed, southwest of Truckee, north of Squaw Valley. 1.4 km NW of Silver Peak along stream near granite cliff band; 39.2267 N, 120.2599 W ; elev. 7,700 ft. 2346 Comment
  UCD141873  Juncus phaeocephalus var. paniculatus John Thomas Howell; Gordon H. True 1971-7-1 48323 Placer Northern outskirts of Lincoln. 48 Comment
  CHSC67855  Juncus uncialis James D. Jokerst 1986-4-14 2625 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. In vernal pools. Comment
  JEPS46586  Juniperus californica Harriet P. Kelley 1914-7-14 Placer rocky hill side above Yuba River; Cisco Comment
  CAS-BOT-BC81073  Juniperus communis Charlotte Pyle 1978-6-15 4200 -1 Placer on west side of point of land between Deep Canyon and North Fork of the Middle Fork of the American River 1219 Comment
  UCD133044  Juniperus occidentalis Beecher Crampton 1961-9-27 6001 Placer 2.5 miles west of Cisco Grove, along US Hwy 40, Yuba River Basin. 1615 Comment
  SEINET5334955  Juniperus occidentalis W. A. Bailey s.n. Placer Squaw Valley 1981 Comment
  UCR162422  Juniperus occidentalis subsp. australis David A. Charlet 1992-5-14 978 Placer I-80 roadside 1829 Comment
  POM281907  Juniperus occidentalis var. occidentalis Lyman Benson 1933-6-25 4540 Placer Cisco, U.S. 40, Sierra Nevada, Bear River watershed 1829 Comment
  CAS-BOT-BC58895  Kalmia microphylla subsp. microphylla L. S. Smith 1925-5-21 49453 Placer Tahoe Forest - Squaw Valley 1889 Comment
  SCFS5071  Keckiella breviflora E. Krimmel, Faerthen Felix 2014-6-26 Placer North Fork American River Headwaters Basin, NFAm. Heath Falls trail. Comment
  NY786816  Keckiella breviflora var. breviflora M. J. Williams 1984-6-24 8465- 1 Placer 0.3 mile in from Highway 20, on Bowman Lake Road. 1524.0 Comment
  UC170099  Keckiella lemmonii Miss Helen D. Geis 1912-6 163 Placer Deer Park Comment
  JEPS111242  Kelloggia galioides Steve Matson 2005-6-19 1298 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
  SEINET12628758  Kelloggia galioides F. H. Hillman s.n. Placer [Sierra Nevada] Between Truckee and Lake Tahoe Comment
  SACT001429  Koeleria phleoides Josephine Van Ess 1977-4-27 Placer Collected at top of hill where flume crosses road. Dry scouped out area near road. 140.2 Comment
  CAS-BOT-BC341357  Lagophylla glandulosa David D. Keck 1932-7-1 1589 Placer 2 miles N. of Auburn on Nevada City road 425 Comment
  SDSU2756  Lagophylla glandulosa D. F. Howe 1962-8-10 3419 Placer 4 miles north of Auburn. 488 Comment
  SD50715  Lagophylla ramosissima Darley F. Howe 1959-8-1 Placer 2.0 miles north of Auburn. 455 Comment
  SEINET11447687 Image available Lasthenia fremontii Beninghoff 1930-4-20 3047 Placer Lincoln Comment
  RSA739655  Lasthenia glaberrima John Dittes 2003-5-25 2003 -25 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. 40 Comment
  UC15330  Lathyrus jepsonii var. californicus Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD106347  Lathyrus latifolius Beecher Crampton 1972-7-26 8854 Placer Placer County, Carpenter Flat east of Emigrant Gap. 1615 Comment
  POM260125  Lathyrus nevadensis subsp. nevadensis C. L. Hitchcock 1940-5-7 6319 Placer 1 mile west of Baxter. Comment
  RSA305950  Lathyrus nevadensis subsp. nevadensis Fay A. MacFadden 1934-3-25 12431 Placer Canyon Creek, Monte Vista Inn. Comment
  UC15345  Lathyrus nevadensis var. nevadensis State Survey 1865-4-13 4629 Placer Forest Hill Comment
  SEINET6744634 Image available Lathyrus sulphureus Marcus E. Jones 1882-1 Placer Emigrant Gap Comment
  UC864571  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6344 Placer ca 1 mi w Baxter Comment
  UCR194939  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12004 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR250057A  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Mary Alice Barnes 2013-4-18 20337 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
  SD6093  Ledum glandulosum unknown Aug 1914 Placer Summit Comment
  SEINET7270125  Ledum glandulosum W. D. Billings 1951-8-21 2150 Placer Sierra Nevada, E. slope of Granite Chief 2377 Comment
  UCD62881  Leersia oryzoides Christopher Michael Bronny 2007-9-24 - 1 Placer Yuba and Placer County lines: Along north and south banks of Bear River below the Highway 65 overcrossing approximately 1 mile south of Wheatland. 25 Comment
  SEINET3402462  Leontodon saxatilis R. W. Spellenberg, N. Zucker 2011-4-15 14274 Placer Along CA Hwy. 65 1.5 km N of Lincoln, ca. 40 air km NE of Sacramento. 55 Comment
  CHSC96474  Leontodon saxatilis subsp. longirostris Lowell Ahart; Brian Williams 2007-4-13 13633 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  CAS-BOT-BC88833  Lepidium campestre M. S. Jussel 1928-6-25 s.n. Placer Tahoe Tavern, Tahoe City. Comment
  JEPS126403  Lepidium chalepense Steve Matson 2002-7-14 1062 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 40 yards south of Highway 267 along creek, 2 yards from creek by trail. Comment
  RSA285918  Lepidium latifolium S. P. Fisher 1969-10-20 s.n. Placer Along SPRR tracks, 0.75 mi NE of Loomis. Comment
  SEINET5326391  Lepidium nitidum M. Demorest 1962-3-15 s.n. Placer Junction of the North and Middle Forks of the American River, 4 miles from Auburn. 274 Comment
  CHSC10722  Lepidium ramosissimum Lowell Ahart 1962-7-14 Placer Near Ahart Camp, French Meadows. 1676 Comment
  CAS-BOT-BC60088  Lepidium virginicum var. menziesii A. A. Heller 1917-8-13 1753 Placer Near Summit hotel. 2133 Comment
  UCR229544  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17864 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  POM74450  Leptosiphon ciliatus Katherine Brandegee 1908-07 s.n. Placer Between Cisco and Summit Comment
  UCD118758  Leptosiphon filipes Ted Niehaus 1959-5-3 98 Placer Granite Bay park, north shore of Folsom Lake. Comment
  CHSC82713  Leptosiphon harknessii Lowell Ahart 2002-7-22 9894 Placer 50 yards northeast of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1780 Comment
  SEINET11448028 Image available Lessingia leptoclada C. Kegg 1983-9-17 C 25 Placer North Fork of Middle Fork American River 488 Comment
  CAS-BOT-BC342046  Lessingia virgata Beecher Crampton 1958-7-11 5010 Placer Rolling Valley plain, 3.3 miles east of Sheridan Comment
  JEPS20599  Lessingia virgata R. F. Hoover 1936-7-31 1588 Placer Sheridan Comment
  SEINET11942484  Lewisia pygmaea C. F. Sonne 1882-1 33 Placer Mt. Stanford, Sierra Nevada Mts. Comment
  UC7821  Lewisia triphylla C. J. Fox Jr. 1895-1 Placer Deer Park Inn Comment
  UCD22155  Lewisia triphylla Rex Palmer 1979-6-19 N 214 Placer Headwaters basin area of the North Fork of the American River Comment
  MACF019631  Libocedrus decurrens Fay A. MacFadden 1934-8-3 12824 Placer California Comment
  CAS-BOT-BC436045  Ligusticum grayi A. A. Heller 1917-8-14 12933 Placer Mt. Lincoln south of Summit valley 2499 Comment
  POM132902  Ligusticum grayi Allen M. Carpenter 1892-08 4010 Placer Sierra Nevada Mountains Comment
  UCR207110  Ligusticum grayi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15232 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  UC21115  Ligusticum grayi A. M. Carpenter 1893-8 Placer Comment
  CAS-BOT-BC130528  Lilium Albert M. Vollmer 1941-7-3 s.n. Placer North slope of Placerville Airport Comment
  CAS-BOT-BC130529  Lilium Albert M. Vollmer 1941-7-3 s.n. Placer North slope of Placerville Airport Comment
  CAS-BOT-BC130773  Lilium pardalinum Mrs. H. M. Mitchell 1922-7-1 s.n. Placer Gold Run Comment
  UC984809  Lilium pardalinum A. M. Vollmer and L. Beane Jul 1951 188 Placer e of Nevada City (Bear Valley); Bear Valley Comment
  SEINET8393639  Lilium pardalinum Unknown 1951-1 188 Placer Bear Valley, east of Nevada City. Comment
  UCD22052  Lilium parvum Beth Lowe Corbin 1982-8-16 351 Placer 1/2 mile NW of Onion Creek Campground. 2011 Comment
  CAS-BOT-BC508482  Lilium parvum G. P. Rixford 1915-7-10 s.n. Placer Cisco Comment
  CAS-BOT-BC133076  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer; L. Beane 1951-7-1 191 Placer Bear Valley, east of Nevada City Comment
  UCD116448  Limnanthes alba Rimo Bacigalupi; G. T. Robbins, F. Chisaki 1956-4-20 5628 Placer along Antelope-Roseville road, at Sacramento-Placer county line. 42 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
  UC907584  Limnanthes alba Alice Williams 1946-5-15 5 Placer meadow across road from Harold's Rock Station (0.5 mi e of Weimar Post Office on US 40) Comment
  UC1746057  Limnanthes alba subsp. alba Annetta M. Carter with Galen Smith 1951-4-16 Placer near Roseville Comment
  UCR198529  Limnanthes alba subsp. alba George K. Helmkamp, E. A. Helmkamp 2008-4-17 13290 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  POM260100  Limnanthes alba var. detonsa C. L. Hitchcock 1940-5-7 6333 Placer 1 mile west of Baxter. Comment
  RSA27967  Limnanthes alba var. detonsa C. L. Hitchcock 1940-5-7 6333 Placer 1 mile west of Baxter. Comment
  RSA39948  Limosella acaulis J. T. Howell 1943-7-19 18579 Placer Summit Valley Comment
  UCD162603  Limosella acaulis Steve Matson 1998-6-24 295 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; edge of pond. 1908 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
  CDA36873  Linanthus bicolor CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  UC59633  Linanthus dichotomus Mrs. M. E. P. Ames Placer Roseville Comment
  UC133951  Linanthus harknessii Miss Harriet A. Walker 1908-7-27 1452 Placer Cisco, near the hotel Cisco 1810 Comment
  UC702546  Linanthus harknessii L. S. Rose 1941-7-18 41322 Placer Chambers Lodge (McKinney) Lake Tahoe 2100 Comment
  CDA38630  Linaria genistifolia subsp. dalmatica Clayton Seado 2012-8-9 PDR# 1611239 Placer Tahoe City; Tahoe City Public Utility District near Jackpine Street. 0 Comment
  UC217663  Linaria vulgaris Katharine Brandegee Placer Donner, Summit House Donner; , Summit House Comment
  UC17252  Linum lewisii C. J. Fox Jr. July, 1895 Placer near Squaw Valley Comment
  UCR253226  Linum lewisii var. lewisii George K. Helmkamp, Amy Barnes 2014-4-23 22814 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
  SEINET7718436  Linum perenne Unknown Placer Summit Soda Comment
  CDA21807  Lithocarpus densiflorus var. echinoides T. C. Fuller 1973-8-23 19984 Placer Sierra Nevada; Parking lot of the Big Trees Grove, 1 mile southwest of Creek Store Guard Station. Comment
  RSA7565  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1933-9-24 1956 Placer 8 mi. W. of Emigrant Gap, W slope of Sierra Nevada. 1372 Comment
  SACT002873  Lithocarpus densiflorus var. echinoides Josephine Van Ess 1982-10-16 Placer Opening in moist forest area shrub. Leaves pale. Comment
  UC402485  Lithophragma bolanderi W. W. Mackie 1904-4 Placer near Auburn (American River Canyon); American River Canyon Comment
  CAS-BOT-BC430967  Lithophragma bolanderi G. L. Stebbins 1978-5-27 s.n. Placer Along power line, east of Big Crater 1219 Comment
  RSA98977  Lithophragma bolanderi L. S. Rose, W. A. Weber 1953-5-19 8398 Placer 1 mile SE of Auburn 305 Comment
  JEPS71834  Lithophragma glabrum Gladys L. Smith 1972-6-18 3159 Placer Alpine Meadows 2072 Comment
  SEINET4671414  Lolium multiflorum J. G. Wright, J. M. Wright 2000-3-27 000001 Placer From I-80 West, Reno to Sacramento, take the Lincoln exit. 91 Comment
  CDA15458  Lolium perenne D. Mitani 1999-3-31 PDR 1223619 Placer Sierra Nevada; Winchester Country Club golf course, Meadow Vista. 0 Comment
  SACT001456  Lolium perenne Michael Baad 1977-6-2 Placer 8.5 miles southwest of junction of Deadwood Road and Foresthill Divide Road. 666.0 Comment
  SACT001458  Lolium perenne Josephine Van Ess 1977-4-29 Placer Collected 1.7 miles west of Watt Ave. Waste corner of field, dried up. 21.3 Comment
  UCSB32284  Lomatium bicolor Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  UC765515  Lomatium caruifolium var. denticulatum R. F. Hoover 1939-5-10 4090 Placer Lincoln Comment
  JEPS111133  Lomatium nevadense Steve Matson 2005-6-11 1264 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreatin Area; W of Parking Area; 39.3008 N, 120.1361 W; Elevation 5850 ft. 1783 Comment
  UC21193  Lomatium utriculatum H. N. Bolander 1865-4-13 4578 Placer Newcastle Comment
  SEINET9674900  Lomatium utriculatum C. Lane, H. Mozingo 1979-3-31 s.n. Placer 5.5 miles beyond Jct. of old and new Auburn-Foothill Rd. on old 792 Comment
  SEINET9675004  Lomatium utriculatum M. Dailey 1959-4-12 11 Placer 4 miles east of Roseville on the north side of U.S. Highway 40. 76 Comment
  UCD22156  Lonicera conjugialis Beth Lowe Corbin 1982-8-10 303 Placer 1 1/2 miles WNW of Onion Creek Campground. 1996 Comment
  CAS-BOT-BC200946  Lotus Hazelle A. Thomas; John H. Thomas 1956-7-21 6183 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC200948  Lotus Saichi Kawahara 1969-5-24 869 Placer Strawberry Flat, Henderson Ranch 999 Comment
  POM26985  Lotus I. E. Diehl 1902-7-7 53 Placer Colfax Comment
  UC112832  Lotus grandiflorus var. grandiflorus Katharine Brandegee 1908-6-5 Placer Magra Station Comment
  UCR218230  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2010-6-26 16407 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  CDA13719  Lotus incanus G. F. Hrusa, B. Meese 1997-5-26 13789 Placer Sierra Nevada; Italian Bar Trail, to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. Comment
  POM27004  Lotus incanus Marcus E. Jones 1882-5-3 s.n. Placer Colfax Comment
  UC147591  Lotus incanus Miss Harriet A. Walker 1908-6-24 1278 Placer Blue Canyon 1432 Comment
  UC80756  Lotus incanus Katharine Brandegee 1889-7-6 Placer Alta 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
  RSA406200  Lotus nevadensis Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
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Apr 29 2011
  UCR120239  Lotus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5035 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UC1129106  Lotus oblongifolius var. oblongifolius B. Bolt 1934-7-6 87 Placer Mammoth Spring Tahoe National Forest, Colfax Quad. 1615 Comment
  UC864282  Lotus oblongifolius var. oblongifolius Marcus E. Jones, A. M. 1882-6-28 2628 Placer Emigrant Gap Comment
  SEINET9325113  Lotus oblongifolius var. oblongifolius Unknown 1972-7-26 8855 Placer Ca 1 mi W of Cisco Grove on I-80, moist rdbanks at base and upslope UC Davis Herbarium Comment
  RSA756852  Lotus pinnatus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15210 Placer Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  UCR198047  Lotus purshianus Beth Lowe Corbin 1982-8-9 273 Placer Headwaters Basin Area of the North Fork of the American River. 1/4 mi southwest of Onion Creek Campground Comment
  RSA795081  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18170 Placer along Forest Hill Road, 0.4 miles west of Robinson Flat. 2041 Comment
  UC1129126  Lotus scoparius N. French, R. Clar 1933-6-6 75 Placer near Rattlesnake Bridge (locally near the American River); Sacramento Quad. 609 Comment
  RSA122898  Lotus unifoliolatus B. Bolt 1934-7-20 154 Placer Whiskey Hill. 1646 Comment
  RSA406278  Lotus unifoliolatus Wm. Martin 1971-9-10 20204 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  UC1191764  Ludwigia peploides subsp. montevidensis Malcolm A. Nobs and S. Galen Smith 1949-8-22 1535 Placer pool 6 mi. n.w. on Dunn's Dam Rd. Auburn Comment
  SEINET8057790  Lupinus J. C. Baker 1996-3-24 s.n. Placer Hastings Creek, 21 km SE of Auburn 244 Comment
  RSA11950  Lupinus albicaulis var. albicaulis Elmer I. Applegate 1928-4-22 5365 Placer Near and above Auburn. Along Grass Valley Road. Comment
  CAS-BOT-BC198368  Lupinus albifrons G. Earnhart 1961-3-18 9 Placer 2 1/2 miles east of Auburn, north fork of American River 396 Comment
  SEINET5327616  Lupinus albifrons C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junct. W/No. fork of middle fork of American River, Mosquito Ridge road to French Meadowns. 518 Comment
  CAS-BOT-BC201561  Lupinus albifrons var. albifrons Elmer I. Applegate 1928-4-22 5362 Placer 3 miles above Auburn on the Grass Valley road Comment
  RSA0035850  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  UCR250446  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-18 20361 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
  CDA19552  Lupinus albifrons var. collinus M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 249 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  UC1129257  Lupinus andersonii G. F. Burks 1934-9-14 42 Placer Truckee River; Tahoe National Forest, Truckee Quadrangle Comment
  JEPS46223  Lupinus apertus L. S. Smith 1931-6-3 2553 Placer summit at Duncan Peak (Tahoe Forest); , Duncan Peak 2133 Comment
  UCR207104  Lupinus arbustus George K. Helmkamp, E. A. Helmkamp 2009-7-16 15229 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  JEPS65026  Lupinus benthamii Alice King 1920-1 Placer Rattlesnake Bend Rattlesnake Bend Comment
  UC1949024  Lupinus benthamii Barbara Ertter with David Thompson 1989-4-9 8199 Placer Coloma Road E of Auburn Comment
  HSC82233  Lupinus bicolor Thomas W. Nelson 1979-4-10 4593 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  SD241817  Lupinus bicolor G. K Helmkamp, E. A. Helmkamp 2010-4-17 15886 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 4.2 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 359 Comment
  UCD164623  Lupinus bicolor Brandi Sorensen 1995-5-12 14 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  CDA37169  Lupinus bicolor CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  CAS-BOT-BC208860  Lupinus breweri var. breweri John Thomas Howell 1938-8-2 14011 Placer Sand dunes on Lake Tahoe at Brockway. Comment
  UC1129476  Lupinus grayi N. French 1934-5-24 358 Placer N. Fork of N. Fork American River North Fork of North Fork American River; Tahoe National Forest, Colfax Quadrangle Comment
  CDA27441  Lupinus grayi T. C. Fuller 1983-7-19 20419 Placer North side of Highway 20 to Nevada City, 3 km west of Interstate 80. 0 Comment
  CDA27453  Lupinus latifolius var. columbianus T. C. Fuller 1983-7-19 20418 Placer South side of Highway 20 to Nevada City, 5 km. west of Interstate 80. 0 Comment
  UC198112  Lupinus latifolius var. latifolius Katharine Brandegee Aug. 1917 Placer Cisco Comment
  CDA15939  Lupinus lepidus var. confertus G. F. Hrusa, J. Glazner 1999-7-17 15148 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC73041  Lupinus lepidus var. sellulus L. P. Janeway 1998-8-6 5972 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UCD43094  Lupinus lepidus var. sellulus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 462 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC1481901  Lupinus lepidus var. sellulus D. B. Dunn, LeDoux and Kenney 1973-6-26 21040 Placer 0.4 mi e Norden Post Office (approaching Donner Pass); , e of the Norden Post Office Comment
  SD237439  Lupinus nanus G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15914 Placer Sierra Nevada Mountains Foothills: along Salmon Falls Road, 5.6 miles south of junction with CA-49 at Pilot Hill, 0.65 mil north of the American River crossing (Pilot Hill 7.5'Q) 199 Comment
  UCD109016  Lupinus nanus G. K. Helmkamp; Elizabeth Helmkamp 2006-4-6 10131 Placer Northern Sierra Nevada Foothills: NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin. 122 Comment
  UCR173517  Lupinus nanus George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10131 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  UCR208572  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14608 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 9.8 miles east of its junction with Forest Hill Road in Foresthill 433 Comment
  UCR250065  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20471 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 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
  SD43618  Lupinus nanus Darley F. Howe 1948-5-20 Placer Placer 456 Comment
  SEINET8056977  Lupinus nanus Caldwell 1962-5-9 112 Placer Fork of American River eat of Auburn 3 miles 427 Comment
  UCR188841  Lupinus polyphyllus subsp. polyphyllus George K. Helmkamp, E. A. Helmkamp 2007-3-25 11708 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  RSA414422  Lupinus sellulus subsp. sellulus Fay A. MacFadden 1934-8-10 12855 Placer Cisco Comment
  SEINET881443 Image available Lupinus silvicola A. A. Heller 1909-1 s.n. Placer Summit. 2133 Comment
  SCFS5092  Lupinus stiversii F. Felix, Erica Krimmel 2013-5-19 12 Placer North Fork American River, 0.3 mile east Heath Falls overlook Comment
  UC16025  Lupinus stiversii Mrs. M. M. Hardy 1893-1 Placer Comment
  POM215767  Lupinus vallicola subsp. vallicola D. D. Keck 1933-6-1 2434 Placer Loomis, city limits on road to Folsom. Comment
  CDA12390  Luzula comosa G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8518 a Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  CHSC96780  Luzula comosa var. laxa G. F. Hrusa; A. Juncosa, J. Hunter 1991-7-15 8531 Ab Placer Lake Tahoe. N side of upper Ward Valley, 4 m SW of Tahoe City. 2100 Comment
  CAS-BOT-BC436673  Luzula comosa var. laxa W. R. Dudley 1893-6-1 s.n. Placer Back of Tallac Comment
  UCD162591  Luzula orestera Steve Matson 2002-8-17 1133 Placer nSNH; near Sonora Pass; Walker River watershed; meadow above tarn just east of Hannah Mtn. Comment
  UC1191822  Lycopus americanus Malcolm A. Nobs and S. Galen Smith 1949-8-22 1541 Placer s.w. city limits of Roseville Comment
  JEPS103428  Lycopus uniflorus Lowell Ahart 2002-7-22 9888 Placer On a floating log in the lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  UCD134169  Madia citrigracilis G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10703 Placer Northern Sierra Nevada Mountains: 0.2 mile N of Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
  UCD21779  Madia elegans Beth Lowe Corbin 1982-8-13 341 Placer 1 mile west of The Cedars. Meadowy slope. Ray and disc flowers yellow, anthers black. Partial sun. West facing slope, 20% incline. Locally abundant. 1645 Comment
  SDSU4733  Madia elegans subsp. densifolia D. F. Howe 1962-8-10 3418 Placer 1.2 miles north of Auburn. 457 Comment
  UCR218130  Madia elegans subsp. vernalis George K. Helmkamp, E. A. Helmkamp 2010-6-26 16382 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  JEPS30105  Madia exigua W. H. Shockley June 1886 Placer Auburn Comment
  UC147651  Madia exigua Harriet A. Walker 1908-6-24 1282 Placer Blue Canyon 1432 Comment
  CAS-BOT-BC342835  Madia glomerata H. M. Hall 1910-6-26 8746 -A Placer Sierra Nevada Mountains. Cisco Comment
  CHSC74071  Madia glomerata Susi Urie 1998-8-11 98 -003 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. Narrow meadow stringer. 2097 Comment
  UC170026  Madia glomerata Miss Helen D. Geis 1912-6 169 Placer Deer Park Comment
  CDA36881  Madia gracilis CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  SD81181  Madia gracilis Darley F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill. 1095 Comment
  UCR233240  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2011-7-9 17692 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  UCR241744  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
  CAS-BOT-BC343565  Madia sativa David D. Keck 1932-6-30 1583 a Placer Ca. 4 miles S. of Colfax 640 Comment
  CAS-BOT-BC345247  Madia subspicata Eric Brenner; John Hunter 1996-5-26 002 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon 1870 Comment
  CAS-BOT-BC508529  Maianthemum racemosum G. K. Helmkamp; E. A. Helmkamp 2007-6-12 12314 Placer Lake Spaulding Road just north of its junction with Highway CA-20, Northern Sierra Nevada Mountains 1609 Comment
  UCD22058  Maianthemum racemosum Rex Palmer 1979-5-27 N 68 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC512087  Maianthemum racemosum subsp. amplexicaule Saichi Kawahara 1969-7-6 1462 Placer Yellow Pine Forest; ditchline, east bank of Indian Creek, Mel Henderson Ranch. 1002 Comment
  UCD130321  Malva neglecta Albert Grigarick 2011-8-31 305 Placer Alpine Meadows Ski Resort. Approx. 140 yds W of headquarters. 2130 Comment
  CHSC21398  Malva nicaeensis M. S. Taylor 1975-5-10 572 .5 Placer Ca. 2 mi s of Auburn on Hwy 49, at bridge over American River. 213 Comment
  SD255788  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 (Sheridan 7.5'Q) 32 Comment
  CHSC3556  Marah fabacea var. agrestis Gary Dutton 1966-2-19 57 Placer Found at 227 Donner Ave. Roseville. Comment
  UCR238582  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2012-3-31 18652 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UC50154  Meconella californica H. N. Bolander 1865-4-10 4524 Placer Auburn Comment
  SDSU5045  Medicago arabica D. F. Howe 1951-5-2 2113 Placer 457 Comment
  CDA37228  Medicago polymorpha CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR249540  Medicago polymorpha George K. Helmkamp 2013-3-1 20149 Placer Sacramento Valley, Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  UC333419  Melica aristata unknown Placer Shady Run Summit (Summit) Comment
  UCD36669  Melica aristata Beecher Crampton 1955-6-15 2905 Placer Placer County, Yankee Jims. 807 Comment
  SEINET4671509  Melica aristata P. B. Kennedy, S. B. Doten 1901-8-15 294 Placer Talbots home camp 7 miles from French Meadows Comment
  CHSC67742  Melica bulbosa James D. Jokerst 1986-7-13 2734 Placer Trail from The Cedars, high Sierra Nevada NW of Donner Lake, just below the summit of Needle Peak. Comment
  CAS-BOT-BC282065  Melica fugax A. A. Heller 1917-6-17 12699 Placer Along the Yuba River below Cisco 1676 Comment
  SEINET175792 Image available 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
  SACT001515  Melica harfordii Michael Baad 1976-6-17 Placer Flood plain, Royal Gorge-Wabena Creek to Wildcat Canyon Comment
  UCD87385  Melica harfordii Beecher Crampton 1955-6-15 2872 Placer Placer County, Head of Bunch Canyon, 1 mile south of U.S. Highway 40, Forest Hill Road. Comment
  UCD87386  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
  UCD87387  Melica harfordii Beecher Crampton 1955-6-15 2897 Placer Placer County, Shirttail Canyon, 5.5 miles west of Iowa Hill. Comment
  UCD149728  Melica subulata G. Ledyard Stebbins 1977-7-9 7769 Placer Along trail from McKinistry Lake to Rubicon River. (Exact location unknown. Coordinates estimated by label maker.) 1889 Comment
  RSA409911  Mentha canadensis Wm. Martin 1972-9-10 20226 Placer 1 mile east of Weimer on Hwy 80 Comment
  CAS-BOT-BC428681  Micranthes bryophora Richard Mc. P Brown 1961-7-6 s.n. Placer Near Sugar Bowl, Emigrant Meadow Comment
  SCFS1224  Micranthes californica E. Krimmel 2014-5-10 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Comment
  JEPS127555  Micranthes odontoloma Steve Matson 2004-8-1 1078 Placer nSNH: Tahoe Basin west shore; Blackwood Canyon, 1/2 mile SE of Barker Pass. Comment
  UC88376  Micropus californicus var. californicus T. S. Brandegee June 1883 Placer Auburn Comment
  UCR207871  Micropus californicus var. californicus George K. Helmkamp, E. A. Helmkamp 2009-4-22 14578 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCR253532  Micropus californicus var. californicus George K. Helmkamp, Amy Barnes 2014-4-23 22796 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
  CAS-BOT-BC348682  Microseris acuminata Gordon H. True 1971-4-21 6525 Placer On Roseville-Lincoln Highway, ca. 5 miles north of Roseville Comment
  JEPS59443  Microseris nutans Ezra Brainerd and Viola B. Baird 1915-7-10 166 Placer along road to Deer Park Inn; Sierra Nevada Mts. 1920 Comment
  POM219151  Microseris nutans G. W. Fetters 1929-6-29 s.n. Placer Pomin's, Lake Tahoe Comment
  UCD122166  Mimulus angustatus Kenneth T. Stearns 1975-5-24 s.n. Placer Todd Valley Estates, south field at end of Redwood Court. 822 Comment
  UCR222571  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2010-4-17 15891 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 7.3 miles southwest of its junction with CA-49 near Pilot Hill 332 Comment
  UC886165  Mimulus aurantiacus var. grandiflorus Marcus E. Jones, A. M. 1882-6-28 3288 Placer Emigrant Gap Comment
  UC943862  Mimulus aurantiacus var. grandiflorus H. E. McMinn 1945-10-20 5501 Placer ca. 1 1/2 mi w Lake Spaulding (ca. 40 yds from Bear River Bridge, e end of Bear Flats, above flume canal); Bear River Flat Comment
  POM5148  Mimulus breweri H. M. Hall 1910-6-22 8704 Placer Cisco 549 Comment
  UC193048  Mimulus breweri C. F. Sonne June, 1897 Placer canyon above Coldstream Comment
  UCR250647  Mimulus guttatus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20377 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UC27118  Mimulus kelloggii H. N. Bolander 1865-4-10 4521 Placer Auburn Comment
  UCR250902  Mimulus kelloggii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20346 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
  RSA523467  Mimulus kelloggii W. L. Jepson 1938-4-5 18584 Placer Auburn, 2 mi e. on Placerville Road. Comment
  POM260455  Mimulus layneae C. L. Hitchcock 1940-5-15 6406 Placer 6 miles north of Colfax. 762 Comment
  CDA41698  Mimulus leptaleus S. E. Schoenig 1998-8-29 98 84 a Placer Adjacent to trail Glacier Lake, 0.5 miles east of intersection with Sand Ridge Trail. Comment
  UCD21878  Mimulus lewisii Beth Lowe Corbin 1982-8-3 175 Placer Onion Creek campground. 1841 Comment
  RSA0013385  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
  UCD43913  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-25 1279 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44711  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2077 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  JEPS71705  Mimulus minusculus Gladys L. Smith 1972-6-18 3141 Placer Alpine Meadows 2072 Comment
  UC112810  Mimulus moniliformis Katharine Brandegee 1908-7-16 Placer Emigrant Gap Comment
  UC125208  Mimulus moniliformis Katharine Brandegee July 1908 Placer near Cisco Comment
  CHSC82571  Mimulus moschatus Lowell Ahart 2002-7-22 9901 Placer About 40 yards northwest of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1774 Comment
  UCD21891  Mimulus moschatus Rex Palmer 1979-7-9 N 436 Placer Onion Creek meadow #2. Comment
  UCD75683  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5132 a Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, near underdeveloped road that crosses the creek. 2106 Comment
  UCR226139  Mimulus moschatus Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5142 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, forest clearing off trail 2113 Comment
  RSA0077806  Mimulus nanus var. mephiticus Milo S. Baker 1904-7-15 s.n. Placer Lake Valley, Lake Tahoe Region. Comment
  UC59504  Mimulus primuloides Ezra Brainerd and Viola B. Baird 1915-7-22 258 Placer e Truckee River (1 mi above Bear Rock); Sierra Nevada Mts. 1898 Comment
  UCD43900  Mimulus primuloides subsp. primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1266 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 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
  UCD21894  Mimulus torreyi Rex Palmer 1979-6-19 N 222 Placer Exact location unknown. Comment
  UCD40954  Mimulus torreyi Cathy Hendel 1973-6-9 132 Placer 6.3 miles on Ice House Road from Hwy 50. Comment
  UC1047919  Mimulus torreyi Kay H. Beach 1940-9-12 1053 Placer near Soda Springs; Sierra Nevada Mountains Comment
  CAS-BOT-BC174569  Minuartia californica Frank Tweedy s.n. Placer Unspecified Comment
  CAS-BOT-BC432907  Mitella John H. Thomas; Hazelle A. Thomas 1956-7-21 6176 A Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UCD75954  Monardella odoratissima Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5205 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
  CAS-BOT-BC318580  Monardella odoratissima Catherine Best 1981-8-2 s.n. Placer Above French Meadow Reservoir. Comment
  CHSC67832  Monardella odoratissima subsp. pallida James D. Jokerst 1986-7-13 2712 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. 1859 Comment
  UC1124559  Monardella odoratissima subsp. pallida N. French 1934-5-31 389 Placer 1/2 mi east of Texas Hill; Tahoe National Forest, Colfax Quadrangle Comment
  UCR201923  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2008-8-20 14030 Placer Northern Sierra Nevada Mountains, Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UCR206876  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2009-7-16 15197 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  RSA0022808  Monardella villosa Donald Wyrick 1961-6-21 296 Placer On Klamath River Road just west of Highway 99. 762 Comment
  SJSU9129  Montia linearis L. Hooker 1965-6-27 Placer by Hwy 89 c. 4.5 mi S of Truckee 1828 Comment
  JEPS73658  Montia parvifolia L. R. Heckard with G. L. Stebbins 1973-6-18 3447 Placer about 1/2 mi e of Star Town (13 air mi ne of Foresthill, s side of North Fork of Middle Fork of American River); North Fork of Middle Fork of American River 1310 Comment
  CDA37230  Montia perfoliata CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CAS-BOT-BC260644  Muhlenbergia filiformis G. L. Stebbins, Jr.; et al. 1952-7-20 5126 Placer 7 miles E of Iowa Hill near Forbes camp ground on Upper Shirttail Creek 1158 Comment
  JEPS103487  Muhlenbergia filiformis Lowell Ahart 2002-7-22 9905 Placer On the S side 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. 1773 Comment
  POM114424  Muhlenbergia filiformis Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  RSA619860  Muhlenbergia filiformis Fay A. MacFadden 1934-8-10 12852 Placer Cisco. Comment
  UCD42869  Muhlenbergia filiformis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 236 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD75748  Muhlenbergia filiformis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5214 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2270 Comment
  SEINET4672143  Muhlenbergia jonesii P. B. Kennedy, S. B. Doten 1901-8-15 408 Placer Bear Man's Camp 6 miles from French Meadows Comment
  SACT001604  Muhlenbergia rigens Michael Baad 1983-7-15 Placer 1.8 miles east of junction with road to Brushy Springs. Open rocky slope. 1524.0 Comment
  UCD139283  Muilla maritima G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12048 Placer Northern Sierra Nevada Mountains: Along Forest Hill Road, 2.3 miles northeast of Foresthill. 1116 Comment
  UCR191056  Muilla maritima George K. Helmkamp, E. A. Helmkamp 2007-5-23 12048 Placer Northern Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.3 miles northeast of Foresthill 1116 Comment
  UC854359  Myosurus apetalus Alice Eastwood Jun 15 1912-Jun 19 1912 467 Placer Tahoe City; Lake Tahoe Region 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
  POM312394  Myriophyllum verticillatum S. Galen Smith, Malcolm A. Nobs 1949-8-21 1510 Placer Between Sandy Beach and Agate Bay, noryh end of Lake Tahoe. Comment
  UC191808  Nama lobbii C. F. Sonne 1885-7-12 Placer Kneelands Mill Comment
  UCR232632  Nama lobbii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16641 Placer Northern Sierra Nevada Mountains, Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road 1567 Comment
  SD247382  Nasturtium officinale George K. Helmkamp, Mary Alice Barnes 2013-3-3 20501 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 miles east (87 degrees) of Forest Hill. 422 Comment
  CDA19161  Nasturtium officinale R. Simon April 2001 PDR 062728 Placer Sierra Nevada; Sierra Meadows Rd., Rocklin. 0 Comment
  CDA15940  Navarretia capillaris G. F. Hrusa, J. Glazner 1999-7-17 15147 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC73970  Navarretia capillaris Susi Urie 1998-8-17 98 -055 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  SEINET4207339  Navarretia capillaris Beth Lowe Corbin 1982-8-11 326 Placer 1.5 mile WNW of Onion Creek campground.; 0 1951 Comment
  UC856864  Navarretia divaricata subsp. vividior Alice Eastwood Jun 20 1912-Jun 22 1912 498 Placer Colfax Comment
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Sep 7 2010
  CHSC82655  Navarretia intertexta subsp. intertexta Lowell Ahart 2002-7-22 9895 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
  CHSC74245  Navarretia intertexta subsp. propinqua Susi Urie 1998-9-4 98 -256 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  JEPS127514  Navarretia intertexta subsp. propinqua Steve Matson 1997-6-15 14 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  CDA15936  Navarretia leptalea subsp. bicolor G. F. Hrusa, J. Glazner 1999-7-17 15157 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC79789  Navarretia leptalea subsp. bicolor G. F. Hrusa; J. Glazner 1999-7-18 15224 Placer Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434N, 07418E. 1905 Comment
  JEPS127418  Navarretia leptalea subsp. leptalea Steve Matson 2003-7-4 825 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters south of Martis Dam Road, 20 meters north of airport creek., 200 meters NW of vernal pools north of Highway 267. Comment
  CHSC83139  Navarretia leucocephala Beecher Crampton 1953-5-26 1334 Placer Sunnybrook Farm (Francheschi); 2 miles north of Lincoln. Vernal pool in pasture. Comment
  UCD39200  Navarretia leucocephala Beecher Crampton 1953-5-26 1334 Placer 2 miles north of Licoln. Sunnybrook Farm (Francheschi). Comment
  UCR148081  Navarretia leucocephala Beecher Crampton 1953-5-26 1334 Placer 2 mi N of Lincoln, Sunnybrook Farm (Francheschi) Comment
  UCD36325  Navarretia tagetina Beecher Crampton 1953-5-26 1342 Placer Placer County, 2 miles north of Lincoln, at Chamberlain Ranch, adjacent to Sunnybrook Farm. Comment
  UC112909  Nemacladus capillaris Katharine Brandegee 1908-7-18 Placer Cape Horn Comment
  RSA0043190  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2010-4-23 15911 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill. 287 Comment
  UC880880  Nemophila heterophylla C. L. Hitchcock 1940-5-7 6321 Placer ca 1 mi w Baxter; w of Baxter Comment
  SEINET5520996  Nemophila menziesii L. Munker None 26 Placer Goldrun, US 40 West 411 Comment
  UC1021938  Nemophila menziesii Rolf Y. Berg 1954-4-15 Placer Auburn-Folsom Road eight mi s Auburn; s of Auburn Comment
  SEINET5521027  Nemophila menziesii var. atomaria Schank 1959-3-29 s.n. Placer 3 miles west of Roseville situated in a meadow-like field. 305 Comment
  SD234422  Nemophila parviflora var. austiniae G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12192 Placer Northern Sierra Nevada Foothills: Mosquito Ridge Road, 13.5 miles E of its junction with Forest Hill Road in Foressthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River (Michigan Bluff 7.5' Q) 800 Comment
  UCR208592  Nemophila parviflora var. austiniae George K. Helmkamp, E. A. Helmkamp 2009-5-11 14661 Placer Sierra Nevada Mountains Foothills, Michigan Bluff Road, 0.8 mile south of its junction with Foresthill Road, NE of the city of Foresthill 1159 Comment
  UC148976  Nuphar lutea subsp. polysepala H. M. Hall Jul 1910 8738 Placer above Emigrant Gap (Crystal Lake), Emigrant Gap to Cisco Emigrant Gap; Sierra Nevada Mountains Comment
  UC4148  Odontostomum hartwegii C. F. Sonne 1891-5-17 14 Placer Auburn Sierra Nevada Mts., Auburn Comment
  UCD39233  Odontostomum hartwegii Beecher Crampton 1955-6-15 2869 Placer Bunch Canyon Head. Comment
  CDA38632  Onopordum acanthium Clayton Seado 2012-8-8 PDR# 1611235 Placer Drum Forebay, near Drum Forebay Road. 0 Comment
  JEPS126304  Oreostemma alpigenum var. andersonii Steve Matson 1998-7-27 343 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Main meadow within sight of Highway 28. Comment
  UCD43866  Oreostemma alpigenum var. andersonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1232 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS11676  Orobanche californica subsp. grayana Rowena Beans 1914-9-7 Placer Tahoe Tavern 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
  CAS-BOT-BC458059  Orthilia secunda Elizabeth Parsons Hawver 1912-8-17 s.n. Placer Lake Tahoe Region: Donner Lake Comment
  SCFS1214  Orthocarpus cuspidatus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top meadow. Comment
  UC194170  Orthocarpus cuspidatus subsp. cryptanthus C. F. Sonne 1884-8-10 Placer road to Lake Tahoe near Toll House; road to Lake Tahoe near Toll House Comment
  POM153464  Orthocarpus hispidus Philip A. Munz 1928-6-25 11088 Placer Tahoe Camp, USFS, Lake Tahoe. 2073 Comment
  UCD21670  Osmorhiza berteroi Beth Lowe Corbin 1982-8-6 271 Placer About 1/3 mile west of Onion Creek campground. In rocky, fine, sandy soil about 10 yards freom stream. Partial sun. South facing slope, 30% incline. Uncommon. 1920 Comment
  UCR250141  Osmorhiza chilensis George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20817 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  CDA15682  Paeonia brownii G. F. Hrusa, J. Glazner 1999-7-18 15232 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  JEPS126291  Paeonia brownii Steve Matson 2001-5-28 448 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, south of power lines, west of Golf Course. Comment
  UCD33549  Panicum acuminatum var. fasciculatum Beecher Crampton 1969-7-1 8489 Placer 1/4 mile W of Emigrant Gap post office on Interstate Hwy. 80. Comment
  UCD88540  Panicum acuminatum var. fasciculatum Beecher Crampton 1969-7-1 8489 Placer Nyack. Interstate Hwy. 80 eastbound. 1615 Comment
  UCR232250  Parentucellia viscosa George K. Helmkamp, E. A. Helmkamp 2011-5-6 17221 Placer Eastern Edge of Sacramento Valley, Camp Far West Road, 0.1 mile west of its junction with McCourtney Road, c. 6.3 mi. NE (67 deg. ) of Wheatland 58 Comment
  UC791002  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mi n Lincoln Comment
  SEINET10592943  Paspalum distichum Alan A. Beetle 1941-6-27 Beetle 2729 Placer 1 mile north of Lincoln, irrigation ditch. Assoc. Cyperus, Alisma, Eleocharis. 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
  UC128142  Pedicularis attollens Miss Harriet A. Walker 1470 Placer near Cisco Lake; Cisco Comment
  JEPS71758  Pedicularis groenlandica Gladys L. Smith 1972-6-18 3140 Placer Alpine Meadows 2072 Comment
  RSA123607  Pedicularis groenlandica E. F. Sprague 1957-7-12 1406 Placer Sugar Bowl, Norden. 2134 Comment
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May 24 2015
  UC128137  Pedicularis racemosa Miss Harriet A. Walker 1908-7-29 1502 Placer on trail to Mud Lake; Cisco 1828 Comment
  JEPS73663  Pedicularis semibarbata L. R. Heckard with G. L. Stebbins 1973-6-17 3452 Placer about 7 air mi se of Emigrant Pass (Summit of Big Valley Bluff); Big Valley Bluff 1935 Comment
  UC373264  Pedicularis semibarbata Marcus E. Jones, A. M. Jun 1882 Placer Emigrant Gap Comment
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Sep 7 2010
  UC397169  Pedicularis semibarbata Katharine Brandegee Aug. 1917 Placer Cisco Comment
  JEPS35116  Pellaea breweri C. F. Sonne Aug 1887 320 Placer e slope <Mt Andersen> (above Coldstream); Sierra Nevada Mts Comment
  UC197900  Pellaea breweri C. F. Sonne Aug. 1887 Placer Coldstream Comment
  CAS-BOT-BC67606  Pellaea bridgesii John H. Thomas; Hazelle A. Thomas 1956-7-21 6223 Placer Sierra Nevada - vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  UCD137727  Pellaea bridgesii S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. 1850 Comment
  UC1713523  Pellaea mucronata var. mucronata H. M. Hall 1916-6-20 Placer near Applegate (Pincrest); Seirra Nevada Mts 731 Comment
  UCD124043  Penstemon azureus var. azureus G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12624 Placer Northern Sierra Nevada Mountains; southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  UC565903  Penstemon deustus N. French 1934-6-22 439 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle Comment
  RSA420413  Penstemon deustus W. Hutchinson 1922-6-1 3549 Placer Lake Tahoe. [Placer or El Dorado Co.] Comment
  JEPS111224  Penstemon gracilentus Steve Matson 2005-7-4 1359 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
  POM11471  Penstemon gracilentus Katherine Brandegee 1910-07 s.n. Placer Emigrant Gap. Comment
  UC1063370  Penstemon heterodoxus var. heterodoxus H. S. Yates 1934-6-29 3881 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  UCD124279  Penstemon laetus Beecher Crampton 1969-7-1 8487 Placer 1/4 mile west Emigrant Gap P.O. Interstate Hwy. 80 eastbound. Comment
  CAS-BOT-BC248296  Penstemon laetus var. laetus George K. Helmkamp; E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  SEINET3160463  Penstemon menziesii G. B. Grant 1906-7-20 sn Placer Tahoe Tavern, Lake Tahoe, Sierra Nevada Mts. 1890 Comment
  SCFS1211  Penstemon newberryi E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Comment
  UCD124296  Penstemon newberryi Beecher Crampton 1970-6-25 8626 Placer 1 mile west of Kingvale, Interstate Hwy. 80. 1859 Comment
  SCFS5098  Penstemon newberryi F. Felix, Erica Krimmel 2013-5-19 23 Placer North Fork American River, 0.5 mile east Heath Falls overlook, on trail Comment
  UC565930  Penstemon newberryi var. newberryi N. French 1934-5-24 369 Placer north Fork of North Fork of American River 1341 Comment
  CDA15754  Penstemon roezlii G. F. Hrusa, L. Serafini 1993-6-29 11255 Placer S side of French Meadows Reservoir immediately below dam. Comment
  CHSC91784  Penstemon roezlii G. F. Hrusa; J. Glazner 2000-7-1 15622 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. 1844 Comment
  JEPS15336  Penstemon roezlii N. French 1934-5-28 372 Placer 1 1/2 mi w Black Mountain; Tahoe National Forest, Colfax Quad., w of Black Mountain 1767 Comment
  UC146890  Penstemon roezlii Katharine Brandegee Placer Emigrant Gap Comment
  CAS-BOT-BC239576  Penstemon rydbergii var. oreocharis Geo. B. Grant 1906-7-15 7004 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC239579  Penstemon rydbergii var. oreocharis Leland S. Smith 1928-6-9 2317 Placer Squaw Valley Comment
  HSC35691  Penstemon rydbergii var. oreocharis Thomas W. Nelson 1974-6-17 1374 Placer Dollar Point overlooking Lake Tahoe, N of Tahoe City 1585 Comment
  NY651261  Penstemon rydbergii var. oreocharis L. S. Rose 1940-6-2 40460 Placer Truckee River, 10 miles north of Tahoe City 1828.8 Comment
  SEINET5329702 Image available Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit, 2134 Comment
  UC27437  Penstemon sudans C. J. Fox Jr. July 1893-July 1895 Placer near Squaw Peak; near Squaw Peak Comment
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Sep 7 2007
  UCR250341  Pentagramma pallida George K. Helmkamp, Mary Alice Barnes 2013-4-18 20368 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
  SEINET6626624  Pentagramma triangularis P. L. Henderson 1975-9-21 62 Placer North and Middle Fork American River. 274 Comment
  CHSC73908  Perideridia lemmonii Susi Urie 1998-9-1 98 -192 Placer Lake Tahoe Basin--National Forest. Below Hwy 28, between the highway and lake Forest Road; about 0.3 mi north of Lake Tahoe. [Lat./long. on label is '39 11 N; 120 7 W']. 1908 Comment
  UCD21672  Perideridia parishii Beth Lowe Corbin 1982-8-10 293 Placer 3/4 mile WSW of Onion Creek campground. In rocky, fine, sandy and organic soil. Flowers white. Mostly shade. SE facing slope, 10% incline. Uncommon. 2023 Comment
  UCD80213  Petrorhagia dubia CNPS SN Foothill Team 2005-4-12 SNFN 0105 a Placer Placer Legacy Spears/Didion Ranch, site is located in the Spear's Ranch boundary off of Highway 49. The south-facing plot is above Coon Creek. 216 Comment
  JEPS73653  Phacelia egena L. R. Heckard with G. L. Stebbins 1973-6-17 3441 Placer about 7 air mi se Emigrant Gap (e face of bluff); Big Valley Bluff 1524 Comment
  UCR207115  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2009-7-16 15217 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
  UCR120240  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5025 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  OBI82266  Phacelia heterophylla subsp. virgata George K. Helmkamp, Mary Alice Barnes 2013-5-3 20487 Placer Northern Sierra Nevada Mountains Foothills; Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  SDSU6629  Phacelia heterophylla subsp. virgata D. F. Howe 1971-7-2 4760 Placer Near Lake Tahoe, Elderado National Forest, Placer Co. 1890 Comment
  UC1602035  Phacelia heterophylla subsp. virgata N. French 1934-6-22 477 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  UCR250070  Phacelia heterophylla subsp. virgata George K. Helmkamp, Mary Alice Barnes 2013-5-3 20487 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UC1055962  Phacelia heterophylla subsp. virgata Edw. L. Greene 1895-7-28 Placer s Truckee; Washoe Mts. Comment
  CAS-BOT-BC249047  Phacelia hydrophylloides George K. Helmkamp; E. A. Helmkamp 2010-7-28 16675 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
  JEPS3191  Phacelia hydrophylloides Leland S. Smith 1918-5 2211 Placer Squaw Creek 2133 Comment
  UCR242331  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
  RSA122619  Phacelia hydrophylloides B. Bolt 1934-7-16 122 Placer One mile northeast of Lost Emigrant Mine. 2043 Comment
  UC956796  Phacelia imbricata L. Constance 1951-5-20 3378 Placer on Loomis rd 4.5 mi n Folsom; Sacramento Valley 91 Comment
  SEINET5507916  Phacelia nemoralis P. B. Kennedy, S. B. Doten 1901-8-18 416 Placer Talbot's Home Camp, 7 miles from French Meadows Comment
  UC107463  Phacelia racemosa A. Kellogg July 1870 Placer Summit Comment
  UCD120687  Phacelia stebbinsii G. L. Stebbins 1977-7-8 7761 Placer East side of McKinistry Peak. 2316 Comment
  CDA38742  Phalaris arundinacea R. Robison 2011-8-19 Placer Tahoe City; Gatekeeper s Museum, adjacent to dam near Truckee River outflow. 0 Comment
  SACT001699  Phalaris arundinacea D. Meyer 1984-7-21 Placer Near golf course. 2000.0 Comment
  SEINET4691147  Phalaris arundinacea W. D. Billings 1951-7-15 2125 Placer Truckee River near Rampart, 2 miles west of Tahoe City 1859 Comment
  SACT001704  Phalaris lemmonii D. Meyer 1984-4-15 Placer Roadside appears to have been a vernal pool. Dry. 36.97 Comment
  SACT001710  Phalaris lemmonii D. Meyer 1983-5-15 Placer Field at Southeast corner. 36.6 Comment
  UCD35460  Phalaris lemmonii Beecher Crampton 1957-5-7 3991 Placer 2 miles N of Lincoln. Comment
  CAS-BOT-BC77388  Philadelphus lewisii Marcus E. Jones 1882-7-3 3586 Placer Colfax Comment
  JEPS81208  Philadelphus lewisii Douglas W. James Jr. 1973-5-27 122 Placer off Mosquito Ridge Rd 1/2 mi below junction with French Meadow Road (11.1 mi from Forest Hill) 1524 Comment
  SBBG120612  Philadelphus lewisii G. K. Helmkamp with E. A. Helmkamp 2006-6-14 10705 Placer 0.2 mi N of Forest Hill Rd on unnamed rd to Lake Clementine (general area NE of Auburn on Forest Hill Divide) 488 Comment
  UCR218216  Philadelphus lewisii George K. Helmkamp, E. A. Helmkamp 2010-6-26 16415 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  RSA0057761  Philadelphus lewisii N. H. French, A. E. Wieslander 1933-6-18 79 Placer Middle Fork, American River. 457 Comment
  UCSC000002  Phleum alpinum Harriet A. Walker 2008-7-27 1479 Placer Cisco Comment
  CAS-BOT-BC250852  Phleum pratense Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  SACT001754  Phleum pratense Michael Baad 1976-8-4 Placer At end of jeep road. Eats of Mildred Ridge. 1975.0 Comment
  UCR241720  Phleum pratense George K. Helmkamp, E. A. Helmkamp 2012-9-25 19924 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  RSA794813  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2011-8-26 18173 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UC567162  Phlox gracilis N. French 1934-6-22 481 Placer 0.5 mi w Lake Van Norden; Truckee Quad. 2133 Comment
  JEPS72021  Phoenicaulis cheiranthoides Gladys L. Smith 1972-6-20 3204 Placer Ward Peak, about terminus of Summit chairlift Ward Peak 2621 Comment
  UCD22380  Phoenicaulis cheiranthoides Beth Lowe Corbin 1982-8-10 305 Placer 1 3/4 mile NW of Onion Creek Campground. SE facing slope, 40% incline. Locally common. Full sun. Open, rocky talus slope, above white fir forest. 2133 Comment
  CAS-BOT-BC135093  Phoradendron juniperinum Ira L. Wiggins 1930-10-12 5084 Placer near Cisco 1981 Comment
  RSA3869  Phoradendron libocedri I. L. Wiggins 1930-10-12 5084 Placer Near Cisco. 1982 Comment
  SEINET12230738  Phoradendron libocedri I. L. Wiggins 1930-1 5084 Placer near Cisco 1981 Comment
  CAS-BOT-BC58830  Phyllodoce breweri F. Almeda 1993-7-24 7254 Placer Sierra Nevada - About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  UC21950  Phyllodoce breweri C. F. Sonne July 1887 Placer Sierra Nevada Mountains, Tuckers Knob Tuckers Knob; Sierra Nevada Mountains, Tuckers Knob Comment
  SACT001770  Phyllostachys nigra Josephine Van Ess 1977-7-1 Placer Collected south of Folsom Auburn Road about 5/8 mile. Low wet road. 176.8 Comment
  UCSB45346  Pilularia americana Reisentz, Paul 1979-5-11 Placer 1 mi S of Sheridan on Hwy 65. 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
  SEINET5334491  Pinus attenuata T. Kerstetter 1956-4-16 s.n. Placer 20 miles east of Baxter CA. on U.S. 40. 1219 Comment
  SEINET5334493  Pinus attenuata W. Priest 1956-4-16 s.n. Placer 20 miles of Baxter on U.S. 40. 1219 Comment
  CAS-BOT-BC78464  Pinus contorta subsp. murrayana A. A. Heller 1917-8-13 12883 Placer Summit [valley] Valley 2118 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
  UCD133235  Pinus lambertiana Beecher Crampton 1970-11-10 8652 Placer Nyack. 1524 Comment
  SEINET11738783  Pinus monticola H. H. Heller 1934-1 s.n. Placer Lake Tahoe Comment
  CAS-BOT-BC72886  Pinus ponderosa Saichi Kawahara 1969-5-25 1023 Placer Ridge east of old cabin, Mel Henderson Ranch, Indian Creek. 1036 Comment
  SEINET5334782  Pinus sabiniana J. W. Vetter 1956-4-7 s.n. Placer On Calif. Highway 49, about 10 miles north of Auburn 610 Comment
  UCD89656  Piptatherum miliaceum Collector Unknown 1988-9-1 s.n. Placer between borders of Nevada county, State Hwy 20, Bear River. 1524 Comment
  JEPS71522  Plagiobothrys cognatus Gladys L. Smith 1972-6-20 3275 Placer in wet mud roadside just above Ward Summit chairlift 2133 Comment
  JEPS60951  Plagiobothrys cusickii W. H. Shockley June 1882 322 Placer Soda Springs; summit Comment
  CHSC67787  Plagiobothrys distantiflorus James D. Jokerst 1986-3-19 2600 Placer Johnson Ranch ca. 250 m N of Douglas Blvd. and E of access roads to residents to the north. Comment
  UC79440  Plagiobothrys greenei Mrs. K. Brandegee May 1884 Placer Roseville 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-BC230942  Plagiobothrys hispidulus John Thomas Howell 1943-7-19 18581 Placer Summit Valley Comment
  CAS-BOT-BC230953  Plagiobothrys hispidulus Marcus E. Jones 1882-6-23 s.n. Placer Emigrant Gap Comment
  UCR253528  Plagiobothrys shastensis George K. Helmkamp, Amy Barnes 2014-4-23 22792 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
  JEPS113107  Plagiobothrys stipitatus var. micranthus Lowell Ahart, Brian Williams 2007-4-13 13638 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UC660019  Plagiobothrys stipitatus var. micranthus Lincoln Constance 1941-5-28 2822 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  SBBG122791  Plantago erecta B. Ertter, D. Thompson 1989-4-8 8157 Placer Iowa Crk Rd ca 2 mi from Interstate 80 at crk crossing near entrance to Auburn State Recreation Area 518 Comment
  UCR249536  Plantago lanceolata George K. Helmkamp, Amy Barnes 2013-3-28 20295 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UC429340  Platanthera J. A. Decou 1900-8-5 456 Placer McKinney's Tahoe Comment
  UCD44022  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-8-1 1388 Placer Lake Tahoe Basin. 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
  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
  UCR208264  Plectritis brachystemon George K. Helmkamp, E. A. Helmkamp 2009-5-7 14631 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  SEINET8530800  Plectritis ciliosa A. Beninghoff 1930-4-20 2957 Placer 6. mi S of Auburn, California Comment
  UC193029  Pleuricospora fimbriolata C. F. Sonne 1888-8-12 Placer on Truckee River Truckee River Comment
  UC415569  Pleuricospora fimbriolata C. F. Sonne August, 1896 Placer canyon above Martis Valley; Sierra Nevada Mts.; above Martis Valley, Placer Co. 2133 Comment
  SACT001777  Poa annua D. Meyer 1983-6-18 Placer Shady area 1170.0 Comment
  UCD36144  Poa annua Beecher Crampton 1953-2-11 971 Placer Placer County, 2 miles north of Lincoln, on road to Sunnybrook Farm Hereford Ranch. Comment
  CDA16043  Poa bolanderi G. F. Hrusa, J. Glazner 2000-9-3 15670 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. Abies concolor, A. magnifica, Pinus monticola, P. contorta forest with dense herbaceous understory. Along old logging roadbed. Annual. 2164 Comment
  RSA129110  Poa bolanderi N. H. French 1934-6-22 s.n. Placer 1/2 mile W. of Lake Dulzura 2195 Comment
  SACT001799  Poa bolanderi Michael Baad 1983-8-11 Placer ON trail from creek to Mildred Ridge 2133.0 Comment
  UC820684  Poa bolanderi A. A. Heller 1917-8-13 12901 Placer base of cliff n of Summit Hotel 2164 Comment
  UCD21589  Poa bolanderi E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1252 Placer Vicinity of the town of Soda Springs. Along trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. W-facing slope, ascending ridge. 2200 Comment
  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
  SACT001834  Poa compressa D. Meyer 1984-9-9 Placer East fork of the North Fork of the North Fork of the American River. 1394.0 Comment
  UCD36710  Poa compressa Beecher Crampton 1955-7-13 2995 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. Comment
  SACT001848  Poa gracillima Michael Baad 1983-9-3 Placer Collected on trail from Spitz Inn to western slope of Mount Judah near summit. 2286.0 Comment
  SACT001846  Poa gracillima Michael Baad 1983-8-21 Placer Collected on trail. 2072.0 Comment
  SACT001873  Poa nervosa Michael Baad 1976-7-21 Placer Southwestern face of Lyon Peak descending to spring emptying into the Middle Fork of the American River. 16 km southeast of Soda Springs. 2377.0 Comment
  SACT001879  Poa nevadensis D. Meyer 1983-8-7 Placer Southeast of county line on roadside. 1758.0 Comment
  CAS-BOT-BC247258  Poa palustris Beecher Crampton 1956-7-17 3727 Placer 3/4 mile west of Blue Canyon 1432 Comment
  RSA115550  Poa palustris Beecher Crampton 1956-7-17 3727 Placer railroad embarkment under Alnus, 3/4 mile west Blue Canyon 1433 Comment
  SACT001892  Poa palustris D. Meyer 1984-7-21 Placer 7.52 km southeast of Placer County line moist shaded stream area. 9 mfrom roadway. 1758.0 Comment
  SACT001897  Poa palustris D. Meyer 1983-8-7 Placer 3 km north of Fanny Brodge, Tahoe City along Truckee River east bank. 1879.0 Comment
  CAS-BOT-BC247373  Poa pratensis Saichi Kawahara 1969-7-6 853 Placer Near garden, Mel Henderson Ranch, Indian Creek 1005 Comment
  CDA24993  Poa pratensis J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Moist area on wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  SACT001904  Poa pratensis Michael Baad 1983-7-23 Placer 1/8 mile west of Highway 89 1828.0 Comment
  SACT001910  Poa pratensis D. Meyer 1983-9-10 Placer West end near parking lot mist streambank and meadow. 1879.0 Comment
  SACT001912  Poa pratensis D. Meyer 1983-9-10 Placer West end near parking lot moist streambank and meadow. 1879.0 Comment
  SACT001917  Poa pratensis D. Meyer 1983-8-7 Placer Bike trail behind Tahoe City shopping center near lake shore. 1891.0 Comment
  CHSC74345  Poa pratensis subsp. pratensis Susi Urie 1998-9-1 98 -189 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
  UCR121484  Poa pratensis subsp. pratensis George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5018 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SACT001884  Poa pringlei Michael Baad 1976-7-22 Placer Northwest face of Lyon Peak to crest. 10 miles southwest of Soda Springs. 2377.0 Comment
  SACT001970  Poa scabrella Michael Baad 1977-6-1 Placer Bea croft Trail to the North Fork of the American River, Open rocky meadows. Comment
  SACT001972  Poa scabrella Michael Baad 1976-6-10 Placer Along creek near trail to Robinson Flat. 1737.0 Comment
  SACT001975  Poa scabrella Michael Baad 1983-7-11 Placer Six Mile Road 9.6 km south of Yuba Gap open rocky slope northeast of Lake Valley Reservoir, granite feldspar substrate 1758.0 Comment
  SD44636  Poa secunda Darley F. Howe 1951-5-2 Placer 4 miles north of Auburn 456 Comment
  CAS-BOT-BC242949  Poa secunda subsp. secunda M. E. Jones 1882-6-28 11384 Placer Emigrant Gap Comment
  UCD42900  Poa secunda subsp. secunda C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 268 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  POM265916  Poa sierrae C. L. Hitchcock 1940-5-7 6341 Placer 1 mile west of Baxter Comment
  UCD74356  Poa sierrae G. Ledyard Stebbins 1968-4-7 6671 Placer Mosquito Ridge, east of Forest Hill. Along road, 2.7 miles northeast of turnoff to P.G. and E. dam and powerhouse. (Exact location unknown. Coordinates estimated by label maker. Note book says 'same location as 6669.' This location and elevation was taken from Stebbins's notebook, however, he also made a label with different label information for 6669 that says: North Side of Mosquito Ridge, north of the Middle Fork of the American River. T14N, R12E, Section 30, elevation 3200 ft. The date on this label is 1 May 1968.) 853 Comment
  UCD43365  Podagrostis humilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 733 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  JEPS78320  Pogogyne serpylloides W. H. Shockley Placer Auburn Comment
  UCD125424  Pogogyne zizyphoroides James D. Jokerst 1986-4-14 2623 Placer Johnson Ranch, north of Douglas Road, and east of Highway 80. Comment
  CAS-BOT-BC539343  Polemonium micranthum Steve Matson 2009-5-9 2204 Placer nSNH: Martis Valley, about 4 mi SE of Truckee; Martis Creek Wildlife ARea, S of Hwy 267, N of Martis Creek, just W of parking lot near creek 1780 Comment
  UCD162526  Polemonium micranthum Steve Matson 2009-5-9 2204 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, north of Martis Creek; just west of parking lot near creek 1780 Comment
  CAS-BOT-BC170303  Polygala cornuta var. cornuta Marcus E. Jones 1882-7-3 3316 Placer Colfax Comment
  RSA460149  Polygala cornuta var. cornuta Wm. Martin 1971-9-10 20257 Placer 0.5 mile east of Alta off Hwy 80, toward Baxter. Comment
  UCD100691  Polygonum A. A. Heller 1917-8-12 12876 Placer Southern Pacific reservoir west of Emigrant Gap in coarse granite sand, the flat about the pond. Comment
  CAS-BOT-BC413936  Polygonum aviculare subsp. aviculare John Thomas Howell 1943-7-25 18820 Placer West side of Donner Pass near Norden 2133 Comment
  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
  CAS-BOT-BC414389  Polygonum californicum A. A. Heller 1917-8-15 12941 Placer Near Sheridan 38 Comment
  UCD44483  Polygonum douglasii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1849 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS103426  Polygonum douglasii subsp. douglasii Lowell Ahart 2002-7-22 9897 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
  UC128210  Polygonum douglasii subsp. douglasii Miss Harriet A. Walker 1908-7-26 1441 Placer Cisco 1810 Comment
  UC570036  Polygonum douglasii subsp. douglasii B. Bolt 1934-7-19 150 Placer Tadpole Springs Colfax Quadrangle 1950 Comment
  RSA466396  Polygonum hydropiper Wm. Martin 1971-9-10 20225 Placer 1 mile east of Weimar on Hwy 80 610 Comment
  JEPS102568  Polygonum lapathifolium Lowell Ahart 2001-10-10 9364 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  CAS-BOT-BC418581  Polygonum minimum John H. Thomas; Hazelle A. Thomas 1956-7-21 6179 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UC148975  Polygonum minimum H. M. Hall July 1910 8703 Placer Cisco 1767 Comment
  CHSC82603  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2002-7-22 9898 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
  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
  UCD44428  Polygonum polygaloides subsp. kelloggii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1794 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC420032  Polygonum polygaloides subsp. kelloggii John Thomas Howell 1963-7-11 39831 Placer Near Chambers Lodge, Tahoma 1915 Comment
  JEPS72994  Polygonum shastense Gladys L. Smith 1972-8-25 3425 Placer Granite Chief; summit area 2773 Comment
  RSA689954  Polypodium californicum Elizabeth Flint 1930-1 101 Placer American River bridge, near Auburn 457 Comment
  CDA2335  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer Near Auburn, bank of branch of Rubicon River. 0 Comment
  SACT001569  Polypogon australis D. Meyer 1984-6-17 Placer near 20350 Margaret Ann Drive 545.0 Comment
  SACT001570  Polypogon australis Michael Baad 1977-6-9 Placer at junction of Middle Fork of American River and Rubicon River 365.76 Comment
  SACT002106  Polypogon australis D. Meyer 1984-6-3 Placer 1.6 km north of Applegate, shady oak woodland, moist area 606.0 Comment
  SD34494  Polypogon australis A. A. Beetle 1941-5-26 2724 Placer near Auburn, bank of branch Rubicon River Comment
  UC1132892  Polypogon australis N. French 1933-5-5 41 Placer s Newcastle; Sacramento Quad. Comment
  HSC10852  Polypogon monspeliensis L. M. Malloy 1965-4-11 17 Placer 5 miles S of Auburn, 0.5 miles E of Scotty's Corner on County Road P. 58. Comment
  UCD91298  Polypogon monspeliensis Beecher Crampton 1958-6-24 4972 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  SACT0002034  Polypogon monspeliensis Josephine Van Ess 1976-6-7 Placer Collected about .25 mile west of Tennis forestd. Roadside ditch. 103.7 Comment
  RSA693277  Polystichum lonchitis Fay A. MacFadden 1934-7-2 s.n. Placer N Fork of N Fork of American River, Rawhide Mine Alta. Comment
  CAS-BOT-BC102700  Populus tremuloides John H. Thomas; Hazelle A. Thomas 1956-7-21 6193 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SBBG117235  Populus tremuloides B. Crampton 1961-9-27 6002 Placer US Hwy 40, 1 mi W of Cisco Grove, Yuba River Comment
  CAS-BOT-BC104250  Populus trichocarpa C. B. Wolf 1931-9-11 1298 Placer Near creek, 7 miles below summit of Donner Pass, west slope of Sierra Nevada 1828 Comment
  UC527360  Populus trichocarpa C. B. Wolf 1931-9-10 2419 Placer shore of Lake Tahoe just nw Chambers Lodge; shore of Lake Tahoe just nw of Chambers Lodge 1920 Comment
  UCD22300  Populus trichocarpa Beth Lowe Corbin 1982-8-25 417 Placer Onion Creek campground. In fine, sandy soil along stream edge. Tree 40' high. Old bark grey, furrowed. Full sun. South facing slope, 15% incline. Common. 1841 Comment
  UCD22302  Populus trichocarpa Rex Palmer 1979-7-9 N 438 Placer Headwaters basin area of the North Fork of the American River Comment
  POM296462  Potamogeton epihydrus Lyman Benson 1932-7-31 4020 Placer Tahoe Tavern, Sierra Nevada mtn range, Lake Tahoe watershed. 1890 Comment
  POM296430  Potamogeton gramineus Lyman Benson 1932-7-31 4013 Placer Donner Lake. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  CAS-BOT-BC453920  Potamogeton pectinatus Mary Strong Clemens 1920-9-1 s.n. Placer (Lake) Tahoe City Comment
  CDA859  Potamogeton richardsonii R. Talbert 1959-8-14 2927 Placer Lake Tahoe. 0 Comment
  UC177360  Potentilla flabellifolia C. F. Sonne 1893-8-27 Placer near Tinker Knob; Sierra Nevada Mountains, near Tinker Knob Comment
  CDA25013  Potentilla glandulosa J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC72886  Potentilla glandulosa subsp. ashlandica L. P. Janeway; Eric Schroder 1998-7-13 5746 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  POM275123  Potentilla gracilis var. elmeri Lyman D. Benson 1942-7-2 11254 a Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 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
  CHSC74431  Potentilla gracilis var. fastigiata Susi Urie 1998-9-2 98 -220 Placer Lake Tahoe Basin. Meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  JEPS127443  Potentilla gracilis var. fastigiata Steve Matson 1998-6-27 305 Placer Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, junction of East Martins Creek and Martis Creek. Comment
  UCD42913  Potentilla gracilis var. fastigiata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 281 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43261  Potentilla gracilis var. fastigiata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 629 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR229457  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2011-7-26 17895 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  CAS-BOT-BC540397  Potentilla gracilis var. fastigiata Ira L. Wiggins 1933-8-21 6782 Placer Shores of Lake Tahoe, near Tahoma Comment
  UC632147  Potentilla gracilis var. fastigiata Beryl O. Schreiber 1932-9-11 769 Placer e Cisco; e of Cisco Comment
  JEPS72484  Primula suffrutescens Gladys L. Smith 1972-8-25 3426 Placer n face Granite Chief; n face of Granite Chief 2621 Comment
  UC197214  Primula suffrutescens C. F. Sonne 1897-8-14 Placer e slope Mt. Anderson; Sierra Nevada, e slope Mt. Anderson 2438 Comment
  SEINET8565285  Primula suffrutescens P. B. Kennedy, S. B. Doten 1901-8-10 272 Placer Summit of Devils Cliff, Soda Springs. Comment
  SEINET8565286  Primula suffrutescens P. B. Kennedy, S. B. Doten 1901-8-10 272 Placer Summit of Devils Cliff, Soda Springs. Comment
  SEINET4691680  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2010-1 17029 Placer Northern Sierra Nevada Mountains Foothills: along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam. 1180 Comment
  CAS-BOT-BC163053  Prunus emarginata Carl B. Wolf 1930-10-11 988 Placer 4 miles west of Emigrant Gap 1524 Comment
  UC1128313  Prunus emarginata G. T. Nordstrom 1934-6-21 147 Placer 2 1/2 mi w by nw of Mammoth Springs (Tahoe National Forest); Tahoe National Forest 1584 Comment
  UC861032  Prunus emarginata Marcus E. Jones, A. M. 1882-5-28 2693 Placer Emigrant Gap Comment
  UCD113184  Prunus emarginata Beecher Crampton 1975-9-9 9270 Placer Tahoe National Forest, 1.2 mile N.E. of Blue Canyon post office. Along Blue Canyon Creek. 1524 Comment
  UCD38503  Prunus emarginata Beecher Crampton 1955-7-13 3008 Placer Blue canyon. 1432 Comment
  JEPS127550  Prunus virginiana subsp. demissa Steve Matson 1998-6-15 272 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, along east Martis Creek. Comment
  UCR240954  Pseudognaphalium canescens subsp. beneolens George K. Helmkamp, E. A. Helmkamp 2012-9-25 19906 Placer Northern Sierra Nevada Mountains, Blue Canyon Road, 1.1 miles south of its intersection with I-80, c. 1/2 mi. south of Blue Canyon-Nyack Airport 1473 Comment
  SEINET12997150  Pseudostellaria Ronald L. Hartman 1997-7-11 58546 Placer Near campsite ca 200 yards from Foresthill Road, 2-2.5 road mi W from Sailor Flat trail turn-off. 1982 Comment
  SEINET4856241  Pseudostellaria sierrae B. Bolt 1934-7-19 146 Placer Tahoe NF: 1 mi N of Tadpole Spring. 1982 Comment
  UC1351095  Pseudotsuga menziesii E. Fritz 1936-1-28 8209 Placer Comment
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Jul 9 2015
  UCD135118  Pseudotsuga menziesii var. menziesii G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11213 Placer Northern Sierra Nevada Mtns foothills; along Forest Hill Road, 8.7 miles northeast of Forest Hill. 1311 Comment
  CAS-BOT-BC361711  Psilocarphus brevissimus var. brevissimus John Thomas Howell; Gordon H. True 1971-5-26 47628 Placer Northern limits of Lincoln 48 Comment
  JEPS111247  Psilocarphus brevissimus var. brevissimus Steve Matson 2005-6-11 1259 Placer Martis Valley, ca 3 miles southeast of Truckee, Martis Creek Lake National Recreatin Area; W of Parking Area; 39.3016 N, 120.1324 W; Elevation 5835 ft. 1778 Comment
  CAS-BOT-BC72534  Pteridium aquilinum John H. Thomas; Hazelle A. Thomas 1956-7-21 6196 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD136172  Pteridium aquilinum var. pubescens W. R. Russell 1958-9-8 s.n. Placer Along U.S. Highway 40, ca. 1 mile east of Baxter. 1219 Comment
  UC474260  Pterospora andromedea G. W. Fetters 1929-8-2 Placer Pomins, Lake Tahoe 1950 Comment
  CDA34331  Pueraria montana W. J. Ferlatte, D. Mitani, M. Keffer 1977-9-22 1901 Placer private property, 2 miles NW of Weimar off Placer Hills Rd. 609 Comment
  UC1128546  Purshia tridentata var. tridentata D. Schlobohm 1934-10-2 3 Placer 3 mi s Truckee; Tahoe National Forest, Truckee Quad. 1859 Comment
  CAS-BOT-BC462775  Pyrola dentata Lowell Ahart 1969-7-30 s.n. Placer Ahart Camp, French Meadows 1524 Comment
  UC474247  Pyrola picta G. W. Fetters 1929-8-2 Placer near shore of Lake Tahoe, Pomins Pomins; Lake Tahoe, Pomins Comment
  SACT002677  Quercus Josephine Van Ess 1976-10-6 Placer Collected along stream about .25 mile from Highway 193. Moist wooded area. along atreambank. 152.4 Comment
  SACT002693  Quercus X morehus J. Jorgenson 1959-8-13 Placer Comment
  SACT002610  Quercus chrysolepis Josephine Van Ess 1977-11-4 Placer Below Gautier Bridge 365.8 Comment
  SACT002612  Quercus chrysolepis Michael Baad 1976-8-4 Placer Northeast of Mildred Ridge 1975.0 Comment
  SACT002615  Quercus chrysolepis Josephine Van Ess 1976-9-29 Placer Collected a short way upstream from old Foresthill Bridge. Rocky steep streambank. Comment
  UCD45386  Quercus chrysolepis Eric Brenner; John Hunter 1996-5-26 006 Placer Placer County, Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. Elev. 1870 m. 1870 Comment
  UCD45387  Quercus chrysolepis Natalie deGarder 1992-6-6 18 Placer California, Placer Co., outside Forest Hill ne town, T14N R10E sect. 35, ne 1/4. 3300'. 1005 Comment
  UCD45389  Quercus chrysolepis D. H. Hartmann 1941-10-11 s.n. Placer Golden Cup Oak. 4 miles west of Auburn on U.S #40, Placer Co. Comment
  NY8503  Quercus chrysolepis J. C. Frémont 1845-12-5 s.n. Placer Sierra Nevada Comment
  SEINET9005619  Quercus chrysolepis P. L. Comanor, B. Clark, B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 mi. from end of railroad bridge on Calif. 194. Winding road, plot located on the right, past parking area, down path approx. 60 meters. 1676 Comment
  UCSC010009  Quercus kelloggii Al Keuter 2014-6-15 00 101 A Placer Along Ophir Road near Auburn and Interstate 80. 350 Comment
  CAS-BOT-BC104583  Quercus vacciniifolia Margaret J. Williams 1984-6-24 84- 63 -1 Placer 0.3 mi E of Hwy 20 on Omega Rd. Comment
  CDA15823  Quercus vacciniifolia G. F. Hrusa, L. Serafini 1993-6-29 11248 Placer S side of French Meadows Reservoir immeditely below dam. 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
  UCD47631  Quercus wislizeni Gordon H. True 1971-4-21 6529 Placer Auburn Ravine just west of Lincoln, Placer County. 49 Comment
  CDA19799  Quercus wislizeni K. Kosta, C. Blomquist November 2001 s.n. Placer Northern California; No location data provided. 0 Comment
  UC1070101  Raillardella argentea B. Bolt 1934-8-23 202 Placer divide between Picayune and Gray-horse; Tahoe National Forest, Truckee Quad. 2438 Comment
  SEINET5338933  Ranunculus C. Aarstad, Hugh N. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junct. W/No. fork of middle fork of American River, Mosquito Ridge Rd. to French Meadows 518 Comment
  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
  JEPS59413  Ranunculus alismifolius var. alismellus Ezra Brainerd and Viola B. Baird 1915-7-15 132 Placer Five Lakes Sierra Nevada Mts. 2298 Comment
  UC634986  Ranunculus alismifolius var. alismifolius H. L. Mason 1933-5-28 7238 Placer Lower Truckee River Comment
  CAS-BOT-BC379394  Ranunculus alismifolius var. hartwegii Alice Eastwood 1909-1-1 130 Placer Ward Creek Comment
  CAS-BOT-BC379400  Ranunculus alismifolius var. hartwegii C. F. Sonne 1886-5-2 329 Placer Serra Nevada Mts., in water or near Marzens Meadows near Truckee Comment
  CAS-BOT-BC379434  Ranunculus alismifolius var. hartwegii John Thomas Howell 1943-7-17 8490 Placer west side of Donner Pass near Norden, Boreal Ridge 2134 Comment
  CAS-BOT-BC379443  Ranunculus alismifolius var. hartwegii Peter H. Raven 1950-6-27 2426 Placer at S base of Boreal Ridge 2164 Comment
  SEINET5338278  Ranunculus alismifolius var. hartwegii P. A. Lehenbauer 1923-6-2 567 Placer Truckee-Tahoe road. Comment
  CAS-BOT-BC378967  Ranunculus bonariensis Gordon H. True 1966-4-9 2706 Placer Near Rocklin, just east of Hiway 80 122 Comment
  UCR250682  Ranunculus californicus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20352 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
  UCD95798  Ranunculus canus Beecher Crampton 1977-4-3 9468 Placer 3.5 miles north of Auburn at Elder's Corner. Comment
  UC1101373  Ranunculus flammula Malcolm A. Nobs and S. Galen Smith 1949-8-21 1511 Placer marsh between Sandy Beach and Agate Bay (n end of Lake); Lake Tahoe Comment
  UC9441  Ranunculus hebecarpus H. N. Bolander 1865-4-10 4510 Placer Auburn Comment
  SD43654  Ranunculus muricatus Darley F. Howe 1948-5-21 1909 Placer Placer Co. 456 Comment
  CHSC73190  Ranunculus occidentalis L. P. Janeway 1998-8-6 5983 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  SEINET3840850  Ranunculus occidentalis M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 224 Placer Hughes Mill, Along Finning Mill road, approximately three miles north of Forest Hill road, approximately three miles East of Forest Hill 1060 Comment
  UC838052  Ranunculus occidentalis A. A. Heller 1917-6-19 12737 Placer Emigrant Gap 1615 Comment
  UCD80701  Ranunculus occidentalis CNPS SN Foothill Team 2005-4-11 SNFN 0103 d Placer Placer Legacy, Spears/Didion Ranch (Spear's Ranch), above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  UCR257018  Ranunculus occidentalis George K. Helmkamp, Amy Barnes 2014-4-23 22788 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  SEINET5338805  Ranunculus occidentalis S. Seher 1967-4-8 s.n. Placer 10 miles west of Auburn, Calif., on Highway 40. 488 Comment
  RSA20881  Ranunculus occidentalis var. eisenii Carl B. Wolf 1937-3-30 8344 Placer Sacramento Valley, 4.8 mi. E of Lincoln on Penryn Rd. 91 Comment
  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
  JEPS127533  Ranunculus occidentalis var. ultramontanus Steve Matson 2000-7-13 484 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, south of Hwy 267, 200 m south of Parking area, on Martis Creek. Comment
  CHSC81475  Raphanus sativus D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  CAS-BOT-BC59535  Rhamnus alnifolia Alice Eastwood 1912-6-15 434 Placer Deer Park Comment
  RSA257183  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Placer Squaw Valley 7 miles NW of Tahoe City. 1890 Comment
  UC662428  Rhamnus alnifolia James B. Roof, Irja Knight 1941-9-5 Placer 8 mi s Truckee (on State Highway 89, Silver Creek, a perennial tributary of the Truckee River); Truckee River, Silver Creek 1828 Comment
Read comments
Sep 3 2008
  SEINET13946287 Image available Rhamnus californica W. A. Weber, Lewis S. Rose 1953-1 8400 Placer 4 mi N of Auburn, 1600 ft alt. 488 Comment
  UCR218447  Rhamnus californica subsp. tomentella George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16422 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road, 3.2 miles southeast of its junction with Canyon Way, 4.4 air mi. SE (156 deg. ) of Colfax 412 Comment
  UCD36696  Rhamnus ilicifolia Beecher Crampton 1955-6-15 2871 Placer Head of Bunch Canyon, 0.5 mile south of U.S. Highway 40. Comment
  UC1121923  Rhamnus rubra N. French 1933-5-19 61 Placer near Iowa Hill; Colfax Quad. 822 Comment
  UC18576  Rhamnus rubra Mrs. M. M. Hardy 1893-1 Placer Comment
  UC592878  Rhamnus rubra Carl B. Wolf 1930-10-11 Placer 4 mi w Emigrant Gap (w slope of Sierra Nevada); Sierra Nevada 1524 Comment
  SEINET13946366 Image available Rhamnus rubra A. A. Heller 1917-1 12736 Placer Dry gravelly ridge, Emigrant Gap, elevation 5300 ft 1615 Comment
  UCR233239  Rhamnus tomentella subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2011-7-9 17693 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 1.2 miles northeast of the city of Foresthill 1043 Comment
  SEINET8506852  Rhodiola integrifolia subsp. integrifolia W. D. Billings 1950-7-30 1916 Placer Northeast side of Squaw Peak, Sierra Nevada 2560 Comment
  CAS-BOT-BC58198  Rhododendron columbianum F. Almeda 1993-7-24 7265 Placer About 15 mi. se. of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2133 Comment
  CAS-BOT-BC56651  Rhododendron occidentale Saichi Kawahara 1969-7-6 1455 Placer Meadow, Mel Henderson Ranch, east bank of Indian Creek 975 Comment
  CAS-BOT-BC56652  Rhododendron occidentale C. L. Hitchcock 1940-5-14 6399 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  SBBG59931  Rhododendron occidentale M. N. Ackley -Jun-1925 328 Placer Towle 1127 Comment
  SEINET2029693 Image available Rhododendron occidentale C. L. Hitchcock 1940-5-14 6399 Placer Meier Ranch, about 6 miles north of Colfax 762 Comment
  UC1121103  Rhododendron occidentale G. T. Nordstrom 1934-6-19 117 Placer 1/2 mi w of Mouth of Monumental Creek; Tahoe National Forest 1371 Comment
  CAS-BOT-BC200394  Rhododendron occidentale var. paludosum A. A. Heller 1917-6-19 12743 Placer 8 miles east of Colfax Comment
  CAS-BOT-BC108697  Ribes cereum Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region. Comment
  UC212402  Ribes cereum G. B. Grant 1902-7-17 1458 Placer Alta Peak Comment
  UCD44644  Ribes divaricatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2010 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SEINET13942545 Image available Ribes inerme A. A. Heller 2017-1 12718 Placer Low, grassy places along the Yuba river below Cisco, elevation about 5500 feet. 1676 Comment
  CAS-BOT-BC169085  Ribes inerme var. inerme A. A. Heller 1917-6-17 12718 Placer Low, grassy places along the Yuba River below Cisco 1676 Comment
  CDA13668  Ribes inerme var. inerme G. F. Hrusa, J. Glazner 1997-8-3 14028 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  HSC103235  Ribes montigenum Jade Paget-Seekins 2010-7-19 49 Placer Mountains west of Lake Tahoe, up Forest Route 3 past the Ellis Peak trailhead, left onto road toward Miller Meadows. 2280 Comment
  CAS-BOT-BC219175  Ribes nevadense A. A. Heller 1917-6-17 12725 Placer Cisco 1828 Comment
  CAS-BOT-BC219203  Ribes nevadense Alice Eastwood 1912-6-15 393 Placer Deer Park, Lake Tahoe Region Comment
  SCFS11529120  Ribes nevadense E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  CAS-BOT-BC186204  Ribes roezlii var. roezlii Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe 2438 Comment
  CAS-BOT-BC168771  Ribes viscosissimum Margaret Williams 1974-8-8 74 -P1-14 Placer Murphy's Meadow, 5 miles southeast of Hirschdale - Sierra Nevada 2316 Comment
  CAS-BOT-BC168776  Ribes viscosissimum Alice Eastwood 1909-1-1 293 Placer Squaw Creek - Lake Tahoe Region Comment
  CDA15663  Rorippa curvisiliqua G. F. Hrusa, J. Glazner 1999-7-18 15205 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  RSA0009355  Rorippa curvisiliqua Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  SD81097  Rorippa nasturtium-aquaticum Darley F. Howe 1971-7-3 Placer Truckee 1830 Comment
  UCR240918  Rorippa palustris subsp. palustris George K. Helmkamp, E. A. Helmkamp 2012-6-19 19245 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  UC856811  Rorippa tenerrima A. A. Heller 1917-6-19 12738 Placer Emigrant Gap 1615 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
  RSA463212  Rubus parviflorus J. H. Nishida 1985-7-10 788 Placer Homewood. 1829 Comment
  SEINET4691695  Rubus parviflorus George K. Helmkamp, E. A. Helmkamp 2010-1 16787 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill road and just south of a creek crossing. 1552 Comment
  UC1128637  Rubus parviflorus N. French 1934-6-15 415 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  CAS-BOT-BC363205  Rudbeckia occidentalis Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  POM308874  Rumex acetosella Betty J. Jorgensen 1944-7-23 533 Placer Near Soda Springs. Comment
  RSA466037  Rumex acetosella L. S. Rose 1944-7-12 44087 Placer Chamber Lodge, Lake Tahoe. 1921 Comment
  UCR257627  Rumex acetosella George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19524 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
  UCR257601  Rumex crispus George K. Helmkamp, Amy Barnes 2014-3-21 22639 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  CAS-BOT-BC433649  Rumex obtusifolius W. R. Dudley 1909-8-12 s.n. Placer Canon [Canyon] Creek 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
  CAS-BOT-BC434299  Rumex triangulivalvis A. A. Heller 1917-6-19 12734 Placer Emigrant Gap 1615 Comment
  CHSC74215  Sagina saginoides Susi Urie; Eric Schroder 1998-9-8 98 -296 Placer Lake Tahoe Basin--National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  JEPS103304  Sagina saginoides Lowell Ahart 2002-7-22 9884 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
  CAS-BOT-BC132704  Salix Saichi Kawahara 1969-7-6 1000 Placer Henderson Ranch, east bank of Indian Creek 987 Comment
  CAS-BOT-BC103549  Salix eastwoodiae W. R. Dudley 1900-6-1 5084 Placer Donner Pass Road by Donner Lake Comment
  UCD22313  Salix eastwoodiae Rex Palmer 1979-7-11 N 552 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC103562  Salix eastwoodiae W. R. Dudley 1900-6-14 5097 Placer East of hotel at Summit, Nevada-Placer Co. line Comment
  JEPS127552  Salix exigua Steve Matson 2000-6-24 453 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 400 m north of Hwy 267, 500 m west of Martis Creek, next to concrete slabs. Comment
  UC1786423  Salix geyeriana Edward L. Smith 1965-6-7 677 Placer Maris Valley, 6 miles se of Truckee 1828 Comment
  UCD43825  Salix geyeriana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1191 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC108206  Salix hindsiana Peter H. Raven 1954-8-27 7959 Placer Along a ditch, Penryn - Sierra Nevada Comment
  CAS-BOT-BC108208  Salix hindsiana Gordon H. True 1968-10-26 4740 Placer Sact. Valley between Sheridan and edge of foothills SW of Camp Far West Res. 76 Comment
  CAS-BOT-BC108209  Salix hindsiana Gordon H. True 1971-4-21 6526 Placer Auburn Ravine just west of Lincoln 49 Comment
  CDA16804  Salix jepsonii G. F. Hrusa, J. Glazner 2001-7-15 15943 Placer Sierra Nevada; N face of Crows Nest Pk. immed. W of Sugarbowl. 2316 Comment
  UCD22308  Salix jepsonii Rex Palmer 1979-5-26 N 15 Placer Headwaters basin area of the North Fork of the American River. 1950 Comment
  CAS-BOT-BC106948  Salix laevigata Gordon H. True 1971-5-26 6536 Placer northern limits of Lincoln 48 Comment
  CAS-BOT-BC125291  Salix lasiandra var. lasiandra L. S. Smith 1931-5-22 2 Placer Tahoe National Forest, French Meadows 1828 Comment
  CAS-BOT-BC125298  Salix lasiandra var. lasiandra W. R. Dudley 1909-8-1 s.n. Placer Monte Vista, Dutch Flat Comment
  JEPS13055  Salix lasiandra var. lasiandra Leland S. Smith 1931-8-28 2630 Placer below Chalk Bluff crossing; Tahoe, Middle Fork American River Comment
  CHSC9640  Salix lasiolepis E. L. Smith 1971-7-27 1011 Placer W end of Putt Reservoir just e of Blue Canyon Road ca. 2 mi w of Emigrant Gap. 1706 Comment
  CAS-BOT-BC128473  Salix lasiolepis var. lasiolepis W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat Comment
  CAS-BOT-BC124751  Salix lemmonii A. A. Heller 1917-6-19 12735 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC124756  Salix lemmonii W. R. Dudley 1900-6-14 5093 Placer East of hotel at Summit Comment
  CAS-BOT-BC124759  Salix lemmonii Margaret Williams 1974-8-8 74 -P1-5 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  CAS-BOT-BC124763  Salix lemmonii W. R. Dudley 1900-6-20 5348 Placer on north side of Independence Lake Comment
  CAS-BOT-BC124774  Salix lemmonii W. R. Dudley 1900-6-14 5069 Placer Between Donner Lake and Summit Comment
  CAS-BOT-BC124781  Salix lemmonii W. R. Dudley 1900-6-14 5107 Placer Valley northwest of Lake Mary, near Summit Comment
  CHSC9584  Salix lemmonii E. L. Smith 1971-6-16 958 Placer In meadow at Tahoe Vista, e city limits near King's Beach. 580 Comment
  SD43610  Salix lemmonii Darley F. Howe 1948-5-22 Placer Placer Co. 1707 Comment
  UC1134914  Salix lemmonii N. French 1934-6-19 420 Placer 1/4 mi. w. Devil's Peak; Tahoe Nat'l Forest, Colfax Quad. Comment
  UCD43316  Salix lemmonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 684 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC124758  Salix lemmonii L. S. Smith 1931-6-12 9 Placer Tahoe National Forest, Babbit Springs along road to Babbit L.O. 2133 Comment
  CAS-BOT-BC125066  Salix ligulifolia Dr. Kellogg 1870-6-30 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  SBBG27424  Salix ligulifolia A. A. Heller 1917-6-19 12733 Placer Emigrant Gap 1615 Comment
  UC1134925  Salix ligulifolia B. Bolt 1934-8-22 189 Placer Grayhorse Flat Tahoe Nat'l Forest, Truckee Quad., Grayhorse Flat Comment
  CHSC74124  Salix lucida subsp. lasiandra Susi Urie 1998-8-19 98 -084 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe. Between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC129516  Salix melanopsis W. R. Dudley 1900-6-1 5526 Placer Lake shore above McKinney Comment
  CAS-BOT-BC129518  Salix melanopsis F. A. M. 1934-7-28 12864 Placer Stream, 15 miles from Auburn on Placerville Road Comment
  CAS-BOT-BC129521  Salix melanopsis L. S. Smith 1931-8-27 2629 Placer French Mdws., Tahoe N.F. - along middle fork American River below Chalk Bluff crossing. Comment
  CAS-BOT-BC129081  Salix scouleriana W. R. Dudley 1900-6-1 5531 Placer Above McKinney's near Maddens Cr. Comment
  CAS-BOT-BC129086  Salix scouleriana Gordon H. True 1968-4-17 4168 Placer Hwy. 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Rd. 1554 Comment
  CAS-BOT-BC129088  Salix scouleriana A. A. Heller 1917-6-17 12694 Placer Along the Yuba river below Cisco 1676 Comment
  CAS-BOT-BC129089  Salix scouleriana A. A. Heller 1917-6-17 12694 Placer Along the Yuba river below Cisco 1676 Comment
  CHSC9617  Salix scouleriana E. L. Smith 1971-7-27 991 Placer At Tahoe Vista. 1903 Comment
  CDA16054  Sambucus racemosa var. microbotrys G. F. Hrusa, J. Glazner 2000-9-3 15659 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UC148977  Sambucus racemosa var. microbotrys H. M. Hall July 1910 8726 Placer Fordyce Creek Sierra Nevada Mountains 2103 Comment
  CAS-BOT-BC235190  Sambucus racemosa var. racemosa John Thomas Howell 1925-7-2 1333 Placer Trail to Desolation Valley above Glen Alpine, Lake Tahoe region Comment
  CAS-BOT-BC235195  Sambucus racemosa var. racemosa A. A. Heller 1916-8-13 12903 Placer Summit hotel 2133 Comment
  UCR253126  Sanguisorba minor subsp. muricata George K. Helmkamp, Amy Barnes 2014-4-23 22806 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
  SD243200  Sanguisorba officinalis George K. Helmkamp, E. A. Helmkamp 2010-7-28 16640 Placer Northern Sierra Nevada Mountains: Forest Route 13 (American Hill Road), 1.8 miles south of the junction with Forest Hill Road. 1566 Comment
  UCD15165  Sanicula crassicaulis Phyllis Adams 1982-4-20 6 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 457 Comment
  RSA471495  Sanicula tuberosa F. G. Mart 1934-03 12451 Placer Dutch Flat Comment
  SD243063  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2010-7-28 16669 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  UCD117994  Sarcodes sanguinea C. J. W. 1913-7-2 162 Placer Emigrant Gap. Comment
  SEINET12220592  Saxifraga bryophora C. F. Sonne 1884-1 s.n. Placer above Coldstraw Comment
  UC1562609  Saxifraga californica Barbara Ertter with David Thompson 1989-4-9 8182 Placer 4 air mi w of Foresthill (bridge over Shirttail Canyon, w of Yankee Jim's) 304 Comment
  JEPS82985  Saxifraga ferruginea G. L. Stebbins 1970-4-4 6988 Placer 1/2 mi e of North Fork American River (Shirttail Canyon, on road to Colfax to Forest Hill); Shirttail Canyon 457 Comment
Read comments
Oct 6 2009
  POM93288  Saxifraga mertensiana Marcus E. Jones 1882-7-1 3588 Placer Emigrant Gap. Comment
  JEPS47490  Saxifraga nidifica var. nidifica C. F. Sonne 1886-6-6 90 Placer road to Tahoe; Sierra Nevada Mountains Comment
  JEPS59418  Saxifraga oregana Ezra Brainerd and Viola B. Baird 1915-7-4 Placer Deer Park; Sierra Nevada Mountains, Deer Park 1889 Comment
  JEPS72254  Saxifraga tolmiei Gladys L. Smith, Betsy Wilson 1972-8-26 Placer Granite Chief 2560 Comment
  UCD80547  Schedonorus pratensis CNPS SN Foothill Team 2006-6-27 SNNR 0723 Placer Placer Land Trust, Shutamul Parcel, along the Bear River. 309 Comment
  SEINET10292131  Schoenoplectus pungens R. D. Olson 1949-5-14 19 Placer US Highway 40, Roseville City Limit 61 Comment
  CAS-BOT-BC35624  Scirpus congdonii John Thomas Howell 1943-7-22 18700 Placer Summit Valley Comment
  UC1729888  Scirpus congdonii L. P. Janeway, Eric Schroder 1998-9-16 6322 Placer about 3.7 mi sw of Lake Tahoe (western border of Lily Lake, head of McKinney Creek, Homewood Quadrangle); Lily Lake, McKinney Creek 2164 Comment
  UC590003  Scirpus microcarpus H. S. Yates 1936-8-9 6000 Placer near Brockway; Truckee Quad., near Brockway Comment
  UCD38480  Scirpus microcarpus Beecher Crampton 1955-7-13 2999 Placer US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  CDA3394  Scleranthus annuus G. D. Barbe 1985-7-15 4239 Placer Meadow Vista Community Park, 10 miles east of Auburn. 0 Comment
  CAS-BOT-BC243506  Scribneria bolanderi G. L. Stebbins 1978-5-28 7896 Placer East end of Ralston Ridge 1554 Comment
  SCFS1144  Scutellaria californica E. Krimmel, F. Felix 2014-6-26 Placer NFam. In dry streambed at NW fork of first creek on trail down (Onion Creek). Comment
  UC565457  Scutellaria californica Herbert L. Mason 1929-10-4 5458 Placer 1 mi above Cisco Comment
  SEINET8020900  Scutellaria californica L. R. Miller 1934-7-8 s.n. Placer Cisco. Comment
  UC191156  Sedum lanceolatum C. F. Sonne 1885-7-12 Placer Tinker's Knob Tinker's Knob (ne Placer County) 2590 Comment
  JEPS124761 Image available Sedum obtusatum Stamps 1967-7-12 56 Placer High in a crevice on a granite cliff, about 100 yards north of Highway 40. 2.5 mi west of Kingvale. Comment
  JEPS72364  Sedum obtusatum Gladys L. Smith 1972-6-18 3155 Placer volcanic cliff above Alpine Meadows; above Alpine Meadows 2133 Comment
  CAS-BOT-BC64209  Sedum obtusatum subsp. obtusatum John Thomas Howell 1943-7-21 18661 Placer Donner Pass to Mt. Lincoln Comment
  SEINET3161900  Sedum spathulifolium M. E. Jones 1882-6-30 3345 Placer Emigrant Gap Comment
  UC831069  Sedum spathulifolium Marcus E. Jones, A. M. 1882-6-30 3345 Placer Emigrant Gap Comment
  CAS-BOT-BC62096  Selaginella hansenii Viola N. Poole 1932-5-1 s.n. Placer Shirttail Canyon, across old bridge on the American River, a few miles from Auburn 762 Comment
  CAS-BOT-BC69716  Selaginella wallacei D. L. Smith; G. L. Stebbins 1976-7-3 C 7679 Placer NW. side of Ralston Ridge, above Middle Fork American River just e. of Big Crater. 1249 Comment
  CAS-BOT-BC69046  Selaginella watsonii G. Ledyard Stebbins 1969-11-30 6980 Placer Sierra Nevada - American River Canyon 0.5 mile n. of bridge on Colfax - Iowa Hill Road 381 Comment
  SBBG27354  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer ca. 1 mi W of Baxter Comment
  SDSU464  Senecio aronicoides unknown 1948-5-23 1922 Placer American River. 305 Comment
  SEINET191999  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer ca. 1 mile west of Baxter Comment
  UCR235382  Senecio aronicoides George K. Helmkamp, E. A. Helmkamp 2012-5-11 18944 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  RSA0013335  Senecio aronicoides C. L. Hitchcock 1940-5-7 6337 Placer 1 mile west of Baxter Comment
  CAS-BOT-BC363910  Senecio integerrimus var. exaltatus Betty J. Jorgensen 1944-7-23 531 Placer Near Soda Springs Comment
  UC567040  Senecio integerrimus var. exaltatus N. French 1934-6-21 434 Placer N end of Lake Cascade 2011 Comment
  UCD135552  Senecio integerrimus var. exaltatus Arthur D. Haig 1956-5-23 s.n. Placer 2 miles south of Truckee. Comment
  CAS-BOT-BC363999  Senecio integerrimus var. major John Thomas Howell 1925-6-27 1192 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  HSC35040  Senecio integerrimus var. major Thomas W. Nelson, James Nelson 1974-6-17 1364 Placer Beside Hwy. 80 at its intersection with Blue Canyon Rd., 9 mi. W of the Placer-Nevada County line 1646 Comment
  JEPS126354  Senecio integerrimus var. major Steve Matson 1998-6-21 259 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267. Comment
  UC492748  Senecio integerrimus var. major G. W. Fetters 1929-6-15 Placer Pomin's Lake Tahoe Comment
  CAS-BOT-BC364390  Senecio triangularis A. A. Heller 1919-7-26 13313 Placer Summit meadows west of Donner Pass 2072 Comment
  RSA473091  Senecio triangularis Wm. Martin 1971-9-10 20266 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UCD135801  Senecio triangularis L. M. Sparks 1912-8-1 56 Placer Lake Tahoe. 1920 Comment
  UCD43325  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 693 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC364387  Senecio triangularis H. M. Evans 1918-7-24 s.n. Placer Tahoe region. Mud Lake Comment
  RSA473089  Senecio triangularis Fay A. MacFadden 1934-7-14 12779 Placer Canyon Creek - Dutch Hat. Comment
  UCR171030  Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2006-2-24 10070 Placer Northern Sacramento Valley, Wise Road just east of its junction with Calif. Highway 65; c. 1 mi SE of Ewing 47 Comment
  SEINET3154401  Sequoiadendron giganteum W. A. Dick, Gaby 1967-11-15 sn Placer on West slope of Sierra Nevada from Placer to Tulare 2438 Comment
  UCD22388  Sericocarpus oregonensis subsp. californicus Ellen Dean; Art Shapiro, Davis Botanical Society 2002-9-28 1300 Placer Sierra Nevada. Gold Run rest area along Hwy 80 just before exit for Dutch Flat. 762 Comment
  UCD147094  Sesbania punicea Chuck Hughes 2013-5-14 378 Placer Southern margin of Camp Far West Reservoir. 95 Comment
  UC1261252  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer s.e. corner Newcastle Rd. & Brenner Rd. Newcastle 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
  SACT002097  Setaria viridis D. Meyer 1984-8-17 Placer 4.8 km west of exit. 1291.0 Comment
  CDA25000  Sidalcea asprella J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC108663  Sidalcea glaucescens L. P. Janeway; B. Castro 2011-8-27 10684 Placer Northern High Sierra Nevada. Along Blackwood Canyon Road 0.4 road km west of Barker Pass. 2327 Comment
  RSA448572  Sidalcea glaucescens Bonnie C. Templeton 1931-7-15 1521 Placer Near Meeks Bay, Lake Tahoe 686 Comment
  RSA795079  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2011-8-26 18182 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 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
  UCD116793  Sidalcea malviflora Ted Niehaus 1959-4-19 69 Placer Yankee Jims diggins, Shirttail Road. Comment
  UCD44721  Sidalcea oregana C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2087 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR139417  Sidalcea oregana Fay A. MacFadden 1934-8-10 12840 Placer Sierra Nevada Mtns., Cisco 1829 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
  CDA13690  Sidalcea oregana subsp. oregana G. F. Hrusa, J. Glazner 1997-8-3 14050 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC73960  Sidalcea oregana subsp. spicata Susi Urie 1998-8-18 98 -062 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  LA83273  Sidalcea oregana subsp. spicata O. H. Kappler; 1946-7-18 1318 Placer Lake Tahoe, NW shore 1920 Comment
  RSA448231  Sidalcea oregana subsp. spicata Albert J. Perkins 1928-8-26 s.n. Placer Lake Tahoe region. Comment
  UC112803  Sidalcea oregana subsp. spicata Katharine Brandegee 1908-7-15 Placer summit Donner Comment
  SEINET9006191  Sidalcea oregana var. spicata P. B. Kennedy, S. B. Doten 1901-8-18 441 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  POM148068  Silene californica J. B. Feudge 1927-7-18 1648 Placer Baxter s Camp. Emigrant gap. 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
  UC128140  Silene douglasii Miss Harriet A. Walker 1908-7-26 1589 Placer Cisco 1810 Comment
  CAS-BOT-BC386981  Silene douglasii C. F. Sonne 1885-7-12 194 Placer Sierra Mountains Comment
  POM100873  Silene douglasii var. douglasii Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCD150313  Silene douglasii var. douglasii James A. Neilson Jr. 1970-1 1678 Placer Tahoe Basin, Ward Creek, Plot E232, Sp. III. 2023 Comment
  CAS-BOT-BC541422  Silene invisa G. Ledyard Stebbins; Charlotte Pyles 1979-7-31 s.n. Placer North slope of ridge betweejn Soda Springs, on North Fork American River, and Peak 2346 Comment
  HSC33451  Silene lemmonii Thomas W. Nelson, James Nelson 1974-6-17 1358 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  UC8477  Silene menziesii C. F. Sonne 1886-6-5 Placer Truckee along River; Sierra Nevada Mountains, Truckee along River Comment
  UCR190136  Silene vulgaris George K. Helmkamp, E. A. Helmkamp 2007-9-14 12953 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  SD81040  Sisymbrium altissimum Darley F. Howe 1971-7-3 Placer Truckee 2000 Comment
  SACT002213  Sitanion hystrix D. Meyer Placer South of Truckee, campground along Truckee River. 1828.0 Comment
  SACT002219  Sitanion hystrix D. Meyer 1983-8-7 Placer Moist shady area, Louisiana Pacific Private Forest enterance. 2000.0 Comment
  SACT002234  Sitanion hystrix Michael Baad 1976-7-17 Placer 0.5 mile west of Alpine Meadows Ski Resort on trail to Five Lakes, southeast corner of northeast corner. 2072.0 Comment
  SACT002260  Sitanion jubatum Michael Baad 1976-8-4 Placer Collected on banks amoung rocks in gravel beside creek. White fir forest with openings. 1975.0 Comment
  UC192436  Solanum umbelliferum C. F. Sonne 1886-7-18 Placer on Truckee River, in [R.R.] Canyon Truckee River Comment
  RSA122319  Solidago canadensis subsp. elongata B. Bolt 1934-8-22 186 Placer Grayhorse Flat, west of Lake Tahoe. 1982 Comment
  SEINET11801715  Solidago canadensis var. salebrosa L. S. Rose 1938-1 38268 Placer Truckee River, 3 mi NW of Tahoe City 1829 Comment
  CHSC73660  Solidago elongata L. P. Janeway; Eric Schroder 1998-9-16 6331 Placer Meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  SCFS11529127  Solidago velutina subsp. californica E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing in a drying stream bed. Comment
  UC579222  Solidago velutina subsp. californica G. T. Nordstrom 1934-6-21 130 Placer 4/10 mi w by nw Mammoth Springs; Colfax Quad. Comment
  CDA37238  Sonchus asper CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UC861955  Sorbus californica Lewis S. Rose 1940-5-29 40421 Placer Cisco 1737 Comment
  UCD74254  Sorbus californica Jennifer W. Burt 2005-7-16 143 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from coniferous forest near abandoned ski runs. 1947 Comment
  UCR146869  Spergula arvensis Beecher Crampton 1952-3-8 9452 Placer Sacramento Valley, southwest of Lincoln along Fiddyment road 38 Comment
Read comments
Oct 9 2010
  UCD128093  Sphenosciadium capitellatum Rex Palmer 1983-11-10 N 895 Placer Headwaters basin area of the North Fork of the American River. Comment
  POM107629  Spiranthes porrifolia Marcus E. Jones 1882-7-8 s.n. Placer Auburn Comment
  UCD33482  Sporobolus cryptandrus Beecher Crampton 1968-9-18 8384 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 Comment
  UCD34057  Sporobolus cryptandrus Beecher Crampton 1975-10-14 9330 Placer Emigrant Gap area on Interstate Hwy. 80 just E of Vista Point. 1524 Comment
  UCD44734  Stachys ajugoides C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2100 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD44018  Stellaria littoralis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1384 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC391175  Stellaria longipes subsp. longipes John Thomas Howell 1943-7-19 18571 Placer Summit Valley Comment
  JEPS127491  Stellaria longipes subsp. longipes Steve Matson 1998-6-21 273 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, along east Martis Creek east of boundary fence. Comment
  UCD99389  Stellaria media J. J. Geibel 1965-5-1 30 Placer on Forest Hill Road, 8 miles west of Forest Hill. 670 Comment
  UC1563938  Stellaria nitens Barbara Ertter with David Thompson 1989-4-8 8175 Placer near Auburn State Recreation Area entrance (Iowa Creek Road, ca 2 mi from I-80, at creek crossing) 518 Comment
  POM161915  Stenotus acaulis Herbert McLean Evans 1920-7-22 s.n. Placer Ralston Ridge. Sierra Nevada. Comment
  UC197335  Stenotus acaulis C. F. Sonne 1897-7-18 Placer Truckee Knob 2743 Comment
  UC128271  Stephanomeria lactucina Miss Harriet A. Walker 1908-7-26 1424 Placer Cisco 1810 Comment
  SACT002342  Stipa columbiana D. Meyer 1983-7-30 Placer Moist areas in both sides of road. 2072.64 Comment
  SACT002396  Stipa pulchra Josephine Van Ess 1977-5-16 Placer Collected just inside park area near Folsom Lake. Opening in chaparral. 176.8 Comment
  SACT002398  Stipa pulchra Josephine Van Ess 1976-4-14 Placer Collected at top of hill south of highway 193 in lava flow area. Flat rocky area. 152.4 Comment
  UCR240887  Stipa pulchra George K. Helmkamp, E. A. Helmkamp 2012-3-31 18655 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  CAS-BOT-BC87417  Streptanthus polygaloides C. L. Hitchcock 1940-5-15 6401 Placer 6 miles north of Colfax. Comment
  UCD164183  Streptanthus polygaloides N. Ivalu Cacho; Sharon Y. Strauss, Patrick J. McIntyre 2011-6-25 IC-SS 233 - Placer Casa Loma Rd (Alta Exit): on serpentine outcrop along railroad tracks. 1164 Comment
  CAS-BOT-BC87768  Streptanthus tortuosus Saichi Kawahara 1969-5-24 836 Placer Slope overlooking the north fork of the American River. Colfax-Iowa Hill Road between Dinner Hill and Windy Point. 585 Comment
  CAS-BOT-BC87771  Streptanthus tortuosus Hy Edwards; J. P. Moore 479 Placer Summit. Comment
  CAS-BOT-BC87772  Streptanthus tortuosus Alice Eastwood 1909-1-1 260 Placer Lake Tahoe Region. Deer Park. Comment
  SCFS11529144  Streptanthus tortuosus E. Krimmel, F. Felix 2013-6-2 Placer NFAm top of Foresthill Road, growing in rocks Comment
  UCD164328  Streptanthus tortuosus N. Ivalu Cacho; Sharon Y. Strauss, Patrick J. McIntyre 2011-6-25 IC-SS 235 - Placer Casa Loma Rd (Alta Exit): on serpentine outcrop along railroad tracks. 1164 Comment
  UCD22382  Streptanthus tortuosus Rex Palmer 1979-6-19 N 259 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD75726  Streptanthus tortuosus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5164 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
  UC112906  Streptanthus tortuosus var. orbiculatus Katharine Brandegee 1908-7-17 Placer near Blue Canyon Comment
  UC856776  Streptanthus tortuosus var. orbiculatus A. A. Heller 1917-6-17 12690 Placer near the Yuba River below Cisco 1676 Comment
  SEINET6647402  Styrax officinalis L. Smith 1979-5-6 s.n. Placer Auburn, 347 Linden Ave., in front of house, hanging over wire fence 366 Comment
  JEPS32521  Styrax officinalis var. redivivus W. L. Jepson 1938-4-5 18581 a Placer 2 mi e Auburn; e of Auburn Comment
  UC877966  Styrax officinalis var. redivivus Mary Elizabeth Jump 1939-5-15 Placer road to Foresthill; road to Foresthill Comment
  UCD119094  Styrax redivivus Eric Brenner; John Hunter 1996-5-26 003 Placer Tahoe National Forest, along Forest Hill Rd at Mosquito Ridge at Volcano Canyon. 1870 Comment
  UCD119107  Styrax redivivus M. H. Mills 1996-4-12 144 Placer 5830 Walden Lane, Loomis. 180 Comment
  UCD119121  Styrax redivivus G. H. Vansell 1930-5-7 2213 Placer Auburn. Comment
  CAS-BOT-BC47709  Styrax redivivus M. E. Jump 1939-5-15 s.n. Placer Road to Foresthill Comment
  CAS-BOT-BC237003  Symphoricarpos mollis Alice Eastwood 1909-1-1 31 Placer Sunnyside Comment
  JEPS126375  Symphoricarpos mollis Steve Matson 2004-7-1 1063 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  UC1119985  Symphoricarpos mollis B. Bolt 1934-8-15 182 Placer 1 mi sw Goggins; El Dorado National Forest, Colfax Quad. 1676 Comment
  CAS-BOT-BC245734  Symphoricarpos rotundifolius A. A. Heller 1909-7-16 9846 Placer Summit 2133 Comment
  JEPS59431  Symphoricarpos rotundifolius var. rotundifolius Ezra Brainerd and Viola B. Baird 1915-7-9 151 Placer Bear Rock; Sierra Nevada Mts. 1889 Comment
  CAS-BOT-BC98480  Symphyotrichum spathulatum H. M. Hall 12888 Placer Summit Station 2121 Comment
  UCD44490  Symphyotrichum spathulatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1856 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CHSC73923  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-26 98 -103 Placer Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  JEPS127461  Taraxia subacaulis Steve Matson 1998-5-24 212 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 500 meters north of Highway 267, 100 meters east of Martis Creek. Comment
  CHSC24731  Tauschia hartwegii T. C. English 1976-4-11 23 Placer N fork of American River in shaded areas. 2 mi w of Hwy 49 Bridge on n side of abandoned R.R. 335 Comment
  CAS-BOT-BC392406  Thalictrum fendleri John H. Thomas; Hazelle A. Thomas 1956-7-21 6177 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UC188094  Thelypodium crispum C. F. Sonne 1886-7-11 Placer McFarland's old mill, road to Hot Springs Comment
  UCD93354  Thinopyrum intermedium K. Connelly 1999-8-2 PDR- 122370 6 Placer Truckee. Along side of Rd. 8, off of Hwy. 89. Comment
  CAS-BOT-BC88166  Thysanocarpus curvipes Charles von Geldern 1912-5-1 s.n. Placer American River. Comment
  SEINET7249067  Thysanocarpus curvipes George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  CAS-BOT-BC67322  Thysanocarpus radians Peter H. Raven 1954-4-16 6600 Placer 7 miles south of Lincoln on road to Roseville. Comment
  JEPS113105  Thysanocarpus radians Lowell Ahart, Brian Williams 2007-4-13 13671 Placer Waste area about 50 yards north of the Manzanita Cemetery, about 3 1/3 miles north of Lincoln 37 Comment
  UC1083159  Thysanocarpus radians Dorothy Tebbe 1930-4-5 92 Placer near Roseville; near Roseville Comment
  SEINET4178564 Image available Torilis arvensis George Helmkamp, E. A. Helmkamp 2010-6-26 Placer Sierra Nevada Mtns Foothill, Jct of Canyon Way and Yankee Jim's Rd. 616 Comment
  JEPS888  Torilis nodosa W. H. Shockley June 1886 Placer Auburn Comment
Read comments
Oct 3 2006
  UC1134358  Torreya californica N. French 1933-10-18 108 Placer Yankee Jim Colfax Quad., Yankee Jim 609 Comment
  SACT002423  Torreyochloa pauciflora D. Meyer 1984-9-23 Placer Plants in water end of paved road to Barker Pass beneath bridge 2121.0 Comment
  UCR253575  Tragopogon porrifolius George K. Helmkamp, Amy Barnes 2014-4-23 22801 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  CAS-BOT-BC516459  Triantha occidentalis subsp. occidentalis L. S. Smith 1926-8-10 2002 Placer Meadow near Salmon Lakes 1981 Comment
  SEINET9288478  Trichostema oblongum Unknown 1999-7-17 15158 Placer Martis Valley Comment
  UCD151067  Trichostema oblongum James A. Neilson Jr. 1972-9-7 3627 Placer Placer County. Tahoe. Dollar Water Tower. (Elevation estimated in Google Earth by label maker.) (Latitude/Longitude data are for Dollar Point in Placer County. No Dollar Water Tower could be found on maps.) 1905 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
  CDA37245  Trifolium campestre CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  JEPS111139  Trifolium ciliolatum Steve Matson 2005-4-17 1220 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  CHSC73950  Trifolium cyathiferum Susi Urie 1998-8-25 98 -093 Placer About 0.2 mi north of Lake Tahoe. Large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCD43294  Trifolium cyathiferum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 662 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET12157177  Trifolium cyathiferum C. F. Sonne 1884-1 60 Placer Canon above Goldstream, Macerlea Comment
  SFV8467  Trifolium depauperatum L. Gould 1962-3-31 20 Placer Powerline Road about 4 miles west of Roseville. 46 Comment
  SD243143  Trifolium depauperatum var. depauperatum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17154 Placer Sacremaento Valley: along Riosa Road at the east edge of the village of Sheridan (Lincoln 7.5'Q) 41 Comment
  UCR231900  Trifolium depauperatum var. depauperatum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17154 Placer Sacramento Valley, along Riosa Road at the east edge of the village of Sheridan 41 Comment
  CDA18398  Trifolium dubium G. D. Barbe, P. Hiatt 1980-6-3 2790 Placer Sierra Nevada; Hwy 49 at Rio Oso Rd., north of Auburn, at Placer Co line/Nevada Co. line. Comment
  CHSC114150  Trifolium dubium G. K. Helmkamp; E. A. Helmkamp 2010-4-17 15884 Placer Sierra Nevada Mountain Foothills: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA-49 near Pilot Hill. 314 Comment
  RSA0042823  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  SEINET3245951  Trifolium dubium G. K. Helmkamp, E. A. Helmkamp 2010-1 15928 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River (Pilot Hill 7.5') 157 Comment
  UCR249539  Trifolium dubium George K. Helmkamp, Amy Barnes 2013-3-28 20291 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UCR257558  Trifolium dubium George K. Helmkamp, Amy Barnes 2014-4-23 22781 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
  CDA37045  Trifolium glomeratum CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CDA37246  Trifolium hirtum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  RSA782369  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2010-4-23 15907 Placer along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  SBBG122296  Trifolium hirtum G. K. Helmkamp with E. A. Helmkamp 2008-4-17 13297 Placer ca. 0.2 mi N of St Hwy 193 on Fowler Rd, ca. 6 mi E of Lincoln 92 Comment
  SEINET11261554  Trifolium hirtum George Helmkamp, E. A. Helmkamp 2011-4-10 17156 Placer In Sacramento Valley along Riosa Road at the E edge on the village of Sheridan.; 0 41 Comment
  UCD111214  Trifolium hirtum Michael A. Vincent 1999-6-12 8634 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. Comment
  UCR208549  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14677 Placer Sierra Nevada Mountains Foothills, Driver's Flat Road 0.8 mile south of its junction with Forest Hill Road, c. 8 miles (air) NE of Auburn 517 Comment
  UCR253129  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-4-23 22809 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  UCR258532  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2013-3-28 20233 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  UCD111273  Trifolium longipes R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  UCD36424  Trifolium longipes Beecher Crampton 1953-7-21 1534 Placer Placer County, 1 mile south of Soda Springs, on Harrison Flat Road. 2133 Comment
  UCD75822  Trifolium longipes var. elmeri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5178 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, south side of trail by creek. 2145 Comment
  JEPS29496  Trifolium longipes var. hansenii C. F. Sonne June 1886 55 Placer Donner Lake Sierra Nevada (Truckee) Comment
  CDA37046  Trifolium microcephalum CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  UCD43176  Trifolium monanthum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 545 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UC149006  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-1 8740 Placer Cisco Sierra Nevada Mtns 1798 Comment
  JEPS59437  Trifolium monanthum var. parvum Ezra Brainerd and Viola B. Baird 1915-7-21 157 Placer trail up river to Lake Tahoe; Sierra Nevada Mtns 1889 Comment
  UC147609  Trifolium repens Miss Harriet A. Walker 1908-6-27 1336 Placer Blue Canyon 1432 Comment
  UC631450  Trifolium variegatum A. A. Heller 1919-7-25 13310 Placer below Cisco (near the Yuba River) Comment
  UC631452  Trifolium variegatum L. S. Smith 468 Placer Squaw Valley Comment
  UCD43024  Trifolium variegatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 393 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SBBG29894  Trillium chloropetalum C. L. Hitchcock 1906-5-7 6306 Placer ca. 1 mi W of Baxter Comment
  CDA32820  Triphysaria eriantha William J. Ferlatte 1977-3-21 s. n. Placer Rocklin: Corner of China Garden Rd. & Rustic Hills Dr., next to Hwy 80 0 Comment
  SEINET13750174  Triphysaria eriantha A. Beninghoff 1930-3-18 2866 Placer 5 miles east of Lincoln 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
  HSC82520  Triphysaria eriantha subsp. eriantha Thomas W. Nelson, Jane Nelson 1979-4-11 4595 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  UCR231892  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2011-4-10 17143 Placer Sacramento Valley, east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road 98 Comment
  RSA792717  Triphysaria versicolor subsp. faucibarbata George K. Helmkamp, E. A. Helmkamp 2011-4-10 17158 Placer along Riosa Road at the east edge of the village of Sheridan 41 Comment
  SACT002429  Trisetum canescens D. Meyer 1984-7-24 Placer Soda Springs Road 13.3 km from dam. 1454.0 Comment
  UCD93920  Trisetum projectum Beecher Crampton 1955-7-13 2993 Placer Placer County, 3.5 miles east of Baxter, along U.S. Highway 40. 1432 Comment
  UCD94033  Trisetum projectum L. S. Smith 1914-9-14 s.n. Placer Col. Near Cisco. 1828