Search Results — 2000 specimen records retrieved (1630 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
  JEPS46610  Abies magnifica Dr. J. C. Hawver Oct. 1908 Placer Summit 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-BC331005  Acer glabrum var. glabrum Dr. W. B. Stephens 1922-7-1 sn. Placer Salmon Lake Comment
  SEINET7893697  Acer glabrum var. glabrum W. D. Billings 1951-7-28 2132 Placer W. side of Sierra Nevada, 1-2 mi. S of The Cedars, American River drainage. 1829 Comment
  SD43608  Acer macrophyllum Darley F. Howe 1948-5-22 1822 Placer Placer Co 1220 Comment
  UC1071636  Acer macrophyllum J. E. Sowder, R. W. Lundh 1933-4-19 49 Placer Colfax Hill Colfax Quad., Colfax Hill Comment
  UCD13364  Acer macrophyllum Anne Marie Weyandt 1989-5-20 22 Placer Placer Co., near road cut. T 14N, R 12E, Sect.30, NE 1/4. Elev. 4000 ft. 1219 Comment
  UCD130325  Achillea millefolium Albert Grigarick 2011-8-31 306 Placer Alpine Meadows Ski Resort. Approx. 200 yds W of headquarters. 2150 Comment
  UCD43935  Achillea millefolium C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1301 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  SEINET11842679  Achillea millefolium subsp. lanulosa J. H. Nishida 1985-1 783 Placer Homewood 1829 Comment
  RSA0008969  Achnatherum lemmonii var. lemmonii Marcus E. Jones 1982-6-28 3298 Placer Emigrant Gap. Comment
  SEINET3828338 Image available Achnatherum lettermanii George K. Helmcamp, E. A. Helmkamp 2012-1 18959 Placer Northern Sierra Nevada Mountians Foothills: Finning Mill Road, 4.0 miles north of Forest Hill Road and at the junction with Hollow Logging Road, Foresthill 7.5' Q. 1140 Comment
  SACT000019  Achnatherum nelsonii subsp. dorei Michael Baad 1983-8-21 Placer elev. 6628. sec 29, T17N R14E 2020.0 Comment
  SEINET232544 Image available Achnatherum nelsonii subsp. dorei Mary E. Barkworth, L Firestone 1987-8-20 4011 Placer Campground 0.7 mi south of I-80 to tahoe City; interchange at Truckee Comment
  SEINET255889 Image available Achnatherum nelsonii subsp. dorei Mary E. Barkworth, L Firestone 1987-8-20 4011 Placer Campground 0.7 mi south of I-80 to tahoe City; interchange at Truckee Comment
  SEINET255910 Image available Achnatherum nevadense Mary E. Barkworth 1987-8-21 4012 Placer 1 block north of intersection of 89 south to Tahoe City and I 80 in Truckee Comment
  UCD43120  Achnatherum occidentale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 488 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD50938  Achnatherum occidentale G. L. Stebbins Jr. 1941-7-16 3171 Placer rocky ledges along U.S. Highway no. 40, 1 mile west of Cisco Grove. 1706 Comment
  UC1133084  Achnatherum occidentale subsp. californicum B. Bolt 1934-7-3 69 Placer Sawtooth Ridge, top of Tahoe National Forest, Colfax Quadrangle Comment
  UCD51067  Achnatherum occidentale subsp. californicum Elizabeth Wilson 1940-8-8 s.n. Placer near Hampshire Rocks. 1828 Comment
  UCD51133  Achnatherum occidentale subsp. californicum G. L. Stebbins Jr. 1941-7-16 3169 Placer 2 miles east of Emigrant Gap, along U.S. Highway no. 40. 1584 Comment
  UCR240906  Achnatherum occidentale subsp. pubescens George K. Helmkamp, E. A. Helmkamp 2012-6-19 19229 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  CDA15993  Achnatherum occidentale subsp. pubescens G. F. Hrusa, L. Serafini 1993-6-29 11257 Placer Occasional on dry gravelly flats among granite boulders. Open huckleberry oak chaparral within white fir-ponderosa pine forest. S side of French Meadows Reservoir immediately below dam. Perennial bunch-grass. Comment
  CAS-BOT-BC218034  Achnatherum stillmanii L. S. Smith 1927-7-6 2054 Placer Mosquito Ridge, Forest Hill District, Tahoe Forest 1676 Comment
  UC477532  Achnatherum stillmanii L. S. Smith 1931-6-4 2557 Placer below Pine Nut (Duncan Canyon); Tahoe Nat. Forest 1524 Comment
  CAS-BOT-BC29927  Achyrachaena mollis Gordon H. True 1971-5-26 6544 Placer Valley Grassland, northern limits of Lincoln 48 Comment
  UCD104064  Acmispon brachycarpus G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11711 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  UC1125854  Aconitum columbianum B. Bolt 1934-8-22 190 Placer Grayhorse Flat Tahoe Nat'l Forest, Truckee Quad., Grayhorse Flat Comment
  SEINET5337506  Aconitum columbianum P. A. Lehenbauer 1932-9-11 1469 Placer Carnelian Bay, Tahoe. Comment
  HSC32497  Aconitum columbianum subsp. columbianum A. M. Montalvo, J. D. Ackerman 1974-7-20 387 Placer Alpine Meadows Ski Area, W of Deer Park and Hwy. 89 Comment
  CAS-BOT-BC391463  Aconitum columbianum subsp. columbianum Geo. B. Grant 1906-7-15 7009 Placer Tahoe Taern, Lake Tahoe Comment
  CAS-BOT-BC418771  Aconogonon phytolaccifolium A. A. Heller 1917-8-14 12934 Placer Mt. Lincoln south of Summit Valley 2438 Comment
  CAS-BOT-BC29250  Acroptilon repens Beecher Crampton 1972-7-26 8851 Placer Carpenter Flat east of Emigrant Gap. Along Laing's Road. Comment
  OBI39838  Adenocaulon bicolor Joy H. Nishida 1985-7-10 790 Placer Homewood 1829 Comment
  UCD21683  Adenocaulon bicolor Beth Lowe Corbin 1982-8-6 259 Placer 1/8 mile west of Onion Creek campground. In deep conifer duff. Open area near stream. Perennial herb. White flowers. Partial sun. SW facing slope, 10% incline. Occasional. 1844 Comment
  UCD69172  Adenocaulon bicolor D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-9 s.n. Placer Blue Canyon. Tahoe National Forest. Mesophytic white fir forests in Blue Canyon (Abietion lowianae Rivas-Martinez and Sanchez-Mata 1997). 1550 Comment
  UCR231855  Adenocaulon bicolor George K. Helmkamp, E. A. Helmkamp 2010-8-11 16764 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  UCR173254  Adiantum jordanii George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10451 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  SACT000028  Aegilops triuncialis Josephine Van Ess 1977-5-27 Placer River bank. 42.7 Comment
  UCD13209  Aesculus californica Charles Martin 1986-4-27 21 Placer Folsom Lake, west end of Sierra Dr. in empty lot near lake. Elev. ca. 430 ft. 131 Comment
  UCR218227  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2010-6-26 16410 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
  UCR232216  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2011-5-6 17216 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
  CDA12416  Agastache urticifolia G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8544 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UC128215  Agastache urticifolia Miss Harriet A. Walker 1908-7-25 1383 Placer Cisco 1810 Comment
  UC26070  Agastache urticifolia Mrs. M. M. Hardy 1893-1 Placer Comment
  UC615511  Agastache urticifolia Beryl O. Schreiber 1932-9-11 766 Placer road to Summit Comment
  UCD128553  Ageratina occidentalis A. T. Leiser 1972-8-14 s.n. Placer Alpine Meadows. Comment
  UCD128555  Ageratina occidentalis R. Prag 1972-8-28 s.n. Placer Alpine Meadows Road. Comment
  CAS-BOT-BC15492  Agoseris X elata Elizabeth Parsons Hawver 1910-7-26 s.n. Placer Sunnyside, Lake Tahoe Region Comment
  CHSC114669  Agoseris glauca CDFA Staff 1995-6-2 Placer Dry Creek. Comment
  UC29398  Agoseris heterophylla var. heterophylla unknown 1865-4-13 4570 Placer New Castle Comment
  UC891244  Agoseris retrorsa C. L. Hitchcock 1940-5-7 6325 Placer ca 1 mi w Baxter Comment
  UCD128657  Agoseris retrorsa A. S. Crafts 1926-5-1 794 Placer American River Canyon. Comment
  UCD41293  Agoseris retrorsa Ellen Dean; Davis Botanical Society 2003-5-17 1756 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 1.5 road miles northeast of intersection with Main St. 1066 Comment
  SACT000066  Agropyron trachycaulum Michael Baad 1976-7-14 Placer 1 mile east of Baker Ranch on Forest Hill Divide 1402.08 Comment
  SACT000069  Agropyron trachycaulum D. Meyer 1983-7-30 Placer Moist areas on both sides of road 2072.64 Comment
  UCD51773  Agrostis avenacea Beecher Crampton 1953-5-26 1339 Placer Sunnybrook Farms, Lincoln. Comment
  SACT000125  Agrostis avenacea D. Meyer 1984-10-24 Placer Adjancent to cultivated fields of rice 27.3 Comment
  CHSC74332  Agrostis exarata Susi Urie; Eric Schroder 1998-9-12 98 -370 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  CHSC79875  Agrostis exarata G. F. Hrusa; J. Glazner 1999-7-18 15215 Placer Northern California, Lake Tahoe Region. Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  SACT000088  Agrostis exarata D. Meyer 1984-9-9 Placer At the east fork of the North Fork of the North Fork of the American River 1394.0 Comment
  SACT000095  Agrostis exarata Josephine Van Ess 1973-6-24 Placer wet streambank 91.5 Comment
  SACT000101  Agrostis exarata D. Meyer 1984-7-29 Placer French Meadows roadside of reservoir. Moist shady north facing slope. 1612.0 Comment
  SACT000112  Agrostis exarata D. Meyer 1984-7-8 Placer Lake Valley Reservoir Picnic Area. Ground at lakeside. 1758.0 Comment
  UCD34018  Agrostis exarata Beecher Crampton 1975-9-9 9269 Placer Placer County, Tahoe National Forest, 1.2 mile N.E. of Blue Canyon post office. 1524 Comment
  UCD52073  Agrostis exarata Beecher Crampton 1956-7-17 3729 Placer Blue Canyon. Comment
  UCD52294  Agrostis exarata Beecher Crampton 1955-6-15 2889 Placer junction of Iowa Hill, Forest Hill road, 2.5 miles north Yankee Jim. Comment
  UCD52340  Agrostis exarata N. French 1933-6-6 72 Placer near Newcastle. 304 Comment
  UCR146666  Agrostis exarata Beecher Crampton 1970-6-26 8640 Placer Sierra Nevada Mountains, Gold Run 915 Comment
  SEINET7249204  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2012-1 Placer Comment
  UCR146665  Agrostis exarata var. monolepis Beecher Crampton 1955-6-15 2886 Placer Sierra Nevada Mountains, Bunch Canyon, 3 miles south of U.S. Highway 40, on Forest Hills Road 427 Comment
  SACT000185  Agrostis idahoensis D. Meyer 1983-7-30 Placer Moist areas on both sides of the road. 2072.64 Comment
  SACT000187  Agrostis idahoensis Michael Baad 1976-8-7 Placer 2072.0 Comment
  UCD44437  Agrostis idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1803 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET10968050  Agrostis idahoensis A. Arthur Heller 1919-7-25 Heller 13293 Placer Sandy flat near the Yuba river below Cisco. Comment
  UC1153829  Agrostis microphylla Beecher Crampton 1957-5-7 3998 Placer 1.7 mi e Lincoln Comment
  UCD53210  Agrostis pallens A. A. Heller 1919-7-25 13305 Placer near the Yuba river below Cisco. 1676 Comment
  SACT000152  Agrostis scabra D. Meyer 1983-9-10 Placer moist streambank and meadow 1879.0 Comment
  SBBG26329  Agrostis scabra B. Crampton 1964-7-21 Placer Cisco Grove 1722 Comment
  UCD34882  Agrostis scabra Beecher Crampton 1964-7-9 7112 Placer Placer County, Emigrant Gap, Hwy. 40. 1615 Comment
  UCR241351  Agrostis scabra George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19812 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
  SACT000174  Agrostis semiverticillata Josephine Van Ess 1976-5-12 Placer streamside, wet 91.5 Comment
  JEPS45798  Agrostis stolonifera Eleanor Armstrong 1932-9-9 205 Placer 6 mi e Truckee 1371 Comment
  SD225  Agrostis stolonifera Unknown Jun 1914 13 48 Placer Summit. Comment
  SD247280  Agrostis stolonifera George K. Helmkamp, Elizabeth Helmkamp 2012-9-25 19904 Placer Northern Sierra Nevada Moutains: Blue Canyon Road, 1.1 miles south of tis intersection with I-80, c. 1/2 mile south of Blue Canyon-Nyack airport (Blue Canyon 7.5'Q) 1473 Comment
  SACT000198  Agrostis stolonifera var. major D. Meyer 1984-9-9 Placer east fork of the north fork of north fork of the American River 1394.0 Comment
  SACT000201  Agrostis stolonifera var. major Michael Baad 1976-8-4 Placer Picayune Trail at end of Jeep road, two miles east of Talbot Camp, ne of mildred ridge 1975.0 Comment
  SACT000225  Agrostis thurberiana Michael Baad 1976-8-12 Placer On the ridge btw Emigrant Peak and Granite Chief north to Mt Meadows Lake northwest of Granite Chief. 2438.4 Comment
  SACT000244  Agrostis variabilis D. Meyer 1983-10-22 Placer Squaw Valley Ski Resort, Searchlight ski run, from base up to Olympic Lady Chairlift, straw added for erosion control 2121.0 Comment
  SACT000252  Agrostis variabilis Michael Baad 1976-8-7 Placer 2072.64 Comment
  UCD42942  Agrostis variabilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 311 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CDA4760  Ailanthus altissima T. C. Fuller 1975-9-5 20101 Placer Sierra Nevada; Between old Highway 40 & Interstate 80 freeway, north limits of Colfax. Comment
  CDA36921  Aira caryophyllea CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CDA37240  Aira caryophyllea CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  JEPS113247  Aira caryophyllea Lowell Ahart 2007-4-13 13659 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
  SACT000232  Aira caryophyllea D. Meyer 1984-8-4 Placer Meadow, mostly dry with a few springs 1454.0 Comment
  UCD55713  Aira caryophyllea Beecher Crampton 1953-4-13 1098 Placer 1 mile north of Lincoln, along railroad property. Comment
  SACT000274  Aira caryophyllea Earl Ingrim 1933-4-23 Placer Comment
  UC985659  Alisma lanceolatum Malcolm A. Nobs 1948-9-25 686 Placer Hwy 49 about 9 mi n Auburn; Rock Creek Comment
  UCD44484  Allium C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1850 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC447497  Allium amplectens Belle R. Jackson 1932-6-1 s.n. Placer on road to Iowa Hill, near Colfax Comment
  CHSC40995  Allium campanulatum J. D. Jokerst 1984-6-20 2070 Placer South of Big Grizzly Cr., north of the Rubicon. Comment
  SD595  Allium campanulatum Unknown Jul 1914 17 9 Placer Cisco. Comment
  UC710487  Allium campanulatum Lewis S. Rose 1944-7-13 44106 Placer Chambers Lodge Lake Tahoe, Chambers Lodge 1920 Comment
  UCD18248  Allium campanulatum E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 460 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
  UCD22047  Allium campanulatum Beth Lowe Corbin 1982-8-4 227 Placer 1/4 mile NW of Onion Creek Campground. 1981 Comment
  RSA123619  Allium campanulatum Milo S. Baker 1931-5-31 5340 Placer Highway 40, 1 1/2 miles west of Big Bend Ranger Station. Comment
  UC188711  Allium peninsulare var. peninsulare C. F. Sonne May 1891 Placer Newcastle Comment
  CAS-BOT-BC474087  Allium platycaule John H. Thomas; Hazelle A. Thomas 1956-7-21 6091 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  UC1577329  Allium platycaule Baki Kasapligil 1972-7-16 4471 Placer Sierra Nevada south to Placer County Sierra Nevada Comment
  UCR208581  Allophyllum George K. Helmkamp, E. A. Helmkamp 2009-5-11 14679 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
  JEPS127505  Allophyllum gilioides subsp. violaceum Steve Matson 1998-6-24 298 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach. Comment
  UC880192  Allophyllum gilioides subsp. violaceum A. A. Heller 1917-8-13 12900 Placer base of cliff n. of Summit hotel 2164 Comment
  SEINET14440331  Allophyllum integrifolium B. Bolt 1934-7-10 93 Placer 2 miles S of Huysink Lake. Comment
  UCD21982  Allophyllum integrifolium Beth Lowe Corbin 1982-8-6 268 Placer 1/2 mile west of Onion Creek campground. 1981 Comment
  UC196658  Allotropa virgata Miss Adele Dahl Placer Tahoe City Comment
  OBI39836  Alnus incana Joy H. Nishida 1985-7-10 793 Placer Homewood, Red fir forest 1829 Comment
  CAS-BOT-BC171259  Alnus incana subsp. tenuifolia Alice Eastwood 1912-6-15 s.n. Placer Deer Park. Lake Tahoe Region Comment
  RSA463214  Alnus incana subsp. tenuifolia J. H. Nishida 1985-7-10 793 Placer Homewood. 1829 Comment
  UCD109959  Alnus incana subsp. tenuifolia W. J. Barry 1968-3-31 45 Placer State Highway 20 at turnoff to Lake Spaulding. 1463 Comment
  UCD22113  Alnus incana subsp. tenuifolia Beth Lowe Corbin 1982-8-2 166 Placer Onion Creek Campground. South facing slope. Full sun. All along Onion Creek, in mixed conifer forest. Tall shrub 1-2 m tall, with greyish bark. 1841 Comment
  UCD43135  Alnus incana subsp. tenuifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 503 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET10920870  Alopecurus saccatus Lowell Ahart, Brian Williams 2007-4-13 Ahart 13660 Placer T13N, R6E, northwest 1/4 Section 34. About 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 44 Comment
  UCD128679  Ambrosia artemisiifolia Beecher Crampton 1959-9-17 5463 Placer Bowman, along U. S. Highway 40. Comment
  UC859329  Amelanchier A. A. Heller 1917-6-19 12729 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC136697  Amelanchier alnifolia var. pumila Alice Eastwood 1912-6-15 372 Placer Deer Park, Lake Tahoe Region Comment
  JEPS59457 Image available Amelanchier alnifolia var. pumila Ezra Brainerd and Viola B. Baird 1915-7-13 192 Placer slopes along Truckee River; Sierra Nevada Mountains 1905 Comment
  CAS-BOT-BC136770  Amelanchier utahensis John Thomas Howell 1938-8-2 14010 Placer Near Brockway Comment
  CAS-BOT-BC136772  Amelanchier utahensis W. R. Dudley 1909-8-23 s.n. Placer Shore of Lake Tahoe, Tahoe Tavern Comment
  OBI39814  Amelanchier utahensis Joy H. Nishida 1985-7-10 767 Placer Homewood 1829 Comment
  UC1127779  Amelanchier utahensis N. French 1934-5-31 391 Placer 1 mi se Texas Hill; Tahoe National Forest, Colfax Quad. 1615 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
  SEINET11792336  Amsinckia douglasiana D. F. Erskine 1941-4-11 25 Placer 5 miles north of Roseville 91 Comment
  JEPS113106  Amsinckia eastwoodiae Lowell Ahart, Brian Williams 2007-4-13 13670 Placer Waste area about 50 yards north of the Manzanita Cemetery, about 3 1/3 miles north of Lincoln 37 Comment
  UCD117535  Anagallis arvensis M. H. Mills 1996-4-12 152 Placer at 5830 Walden Lane, Loomis. 180 Comment
  UCD14396  Anagallis arvensis Cathleen Chapton 1983-5-28 41 Placer Placer Co.; along Flood Lane; 441 Comment
  CAS-BOT-BC64273  Anaphalis margaritacea A. A. Heller 1916-8-13 12907 Placer Summit hotel 2133 Comment
  SEINET9359457  Anaphalis margaritacea Unknown 2000-9-3 15661 A Placer Placer Comment
  UCD56110  Andropogon virginicus Beecher Crampton 1957-5-7 3999 Placer 2 miles west of Clipper Gap, US Hwy. 40 ca. 3 miles east of Auburn. Comment
  CAS-BOT-BC128576  Androsace occidentalis Marcus E. Jones 1882-4-29 s.n. Placer Emigrant Gap Comment
Read comments
Sep 29 2017
  POM99994  Anemone drummondii Marcus E. Jones 1902-7-9 s.n. Placer Castle Peak 2744 Comment
  JEPS126323  Antennaria dimorpha Steve Matson 2001-5-28 485 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; due south of Highway 267. Comment
  CAS-BOT-BC26982  Antennaria media Charles Frederick Sonne 1885-7-12 160 Placer Sierra Nevada Mts. Above Coldstream. Comment
  CAS-BOT-BC137713  Anthoxanthum odoratum 1932-6-7 2680 Placer Elliot Ranch, Sugar Pine Range. 1066 Comment
  JEPS83005  Antirrhinum leptaleum Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, Daniel Zohary, Fritz Ehrendorfer et al. 1952-7-20 3874 Placer 6 mi e Iowa Hill (just s of Shirttail Public Camp); Tahoe National Forest 1097 Comment
  SEINET3854170 Image available Antirrhinum vexillo-calyculatum subsp. intermedium Marcus E. Jones 1882-7-3 3426 Placer Colfax Comment
  UC885065  Antirrhinum vexillocalyculatum subsp. intermedium Marcus E. Jones, A. M. 1882-7-3 3426 Placer Colfax Comment
  UC147642  Apocynum androsaemifolium Harriet A. Walker 1908-6-24 1268 Placer Blue Canyon 1432 Comment
  SEINET7923473  Apocynum androsaemifolium P. A. Lehenbauer 1933-8-6 2606 Placer Tahoe near Homewood Comment
  SCFS1024  Apocynum cannabinum E. Krimmel 2014-7-5 Placer Beside seep next to driveway. Comment
  UC1123482  Apocynum cannabinum N. French and R. Clar 1933-6-26 84 Placer near Rocklin Sacramento Quad. Comment
  SD237579  Aquilegia formosa G. K. Helmkamp, Amy Barnes 2009-7-12 15180 Placer Sierra Nevada Mountains Foothills: along Foresthill Road 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q) 1370 Comment
  UC9012  Aquilegia formosa C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  UCR242334  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2010-7-28 16651 Placer Northern Sierra Nevada Mountains, Forest Hill Road at Hidden Treasure Road, 10.4 miles northeast of the city of Foresthill 1384 Comment
  CAS-BOT-BC397900  Aquilegia formosa Marcus E. Jones 1893-1-1 2614 Placer Emigrant Gap. Comment
  SEINET12092704  Aquilegia formosa J. H. Nishida 1985-1 782 Placer Homewood: Red Fir Forest 1829 Comment
  RSA0129263  Arabis holboellii var. pinetorum George K. Helmkamp, E. A. Helmkamp 2007-6-12 12325 Placer Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  CAS-BOT-BC128678  Arbutus menziesii Saichi Kawahara 1969-5-24 861 Placer Strawberry Flat, Mel Henderson Ranch 999 Comment
  UC615467  Arceuthobium americanum Beryl O. Schreiber 1932-9-12 776 Placer Tahoe Meadow Lake Tahoe Comment
  CAS-BOT-BC409995  Arceuthobium campylopodum Lowell Ahart 1972-6-28 s.n. Placer French Meadows 1524 Comment
  CAS-BOT-BC24246  Arctostaphylos mewukka W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat. Comment
  CDA39032  Arctostaphylos mewukka D. G. Kelch 2011-10-3 11 .827-B Placer Tahoe City. Granlibakken Resort. Comment
  RSA121257  Arctostaphylos nevadensis R. W. Lundh 1933-4-26 237 Placer 3 miles S. Signal Peak. 1829 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-BC42146  Arctostaphylos patula Miss M. Alice King 1923-6-1 s.n. Placer Near Summit Comment
  UCD21473  Arctostaphylos patula Beth Lowe Corbin 1982-8-18 368 Placer One mile SW of The Cedars. 1828 Comment
  UCR23089  Arctostaphylos patula Susanne M. James 1980-4-22 112 Placer Hwy 267, 1.2 mi E Brockway Summitt 2134 Comment
  UCSB57988  Arctostaphylos patula Wallace, Gary; Thorne, Robert; DeBuhr, L.; Tatsuno, A. 1975-4-13 Placer Sierra Nevada, Baxter exit off Hwy. 80 between Alta and Blue Can.; T6N, R11E, Sec. 31 1207 Comment
  UCD52052  Arctostaphylos uva-ursi Ellen Dean 2002-9-28 1301 Placer Gold Run rest area along Hwy 80, just before exit to Dutch Flat. 762 Comment
  UCD52816  Arctostaphylos viscida D. H. Hartmann 1941-10-11 s.n. Placer 4 mi. west of Auburn. Comment
  UCD54624  Arctostaphylos viscida Ellen Dean; John Downs, Brian Ludwig 2006-3-30 2830 Placer Along Secret Town Rd., near railroad overpass trestle, NW of Interstate-80. 914 Comment
  SEINET7268588  Arctostaphylos viscida J. J. Murray 1965-3-13 s.n. Placer Auburn 1524 Comment
  SEINET7268629  Arctostaphylos viscida J. Elder 1961-3-18 s.n. Placer 5 mi. SE of Auburn, on hillside above American River 366 Comment
  CDA15941  Arenaria congesta var. congesta G. F. Hrusa, J. Glazner 1999-7-17 15149 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC852269  Arenaria congesta var. suffrutescens Lewis S. Rose 1940-5-29 40416 Placer 3 mi ne Emigrant Gap 1676 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
  CAS-BOT-BC82204  Arnica chamissonis M. E. Parsons s.n. Placer [Aspengrove] Aspen Grove, Lake Tahoe Comment
  JEPS126320  Arnica chamissonis Steve Matson 1998-7-12 330 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 400 yards NNE of vernal pools which are just north of Highway 267. Comment
  UC197278  Arnica chamissonis C. F. Sonne 1886-7-1 Placer Truckee River Comment
  CAS-BOT-BC82201  Arnica chamissonis Lyman Benson 1942-7-2 11262 Placer Junction of U.S. 40 and the Truckee River Road to Lake Tahoe, Sierra Nevada Mt. Range, Truckee River 1828 Comment
  UC53991  Arnica chamissonis Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  CAS-BOT-BC82348  Arnica cordifolia C. F. Sonne 1885-5-10 186 Placer Near old Shingle Mill on Truckee River Comment
  SBBG128842  Arnica dealbata G. K. Helmkamp, E. A. Helmkamp 2010-8-14 16778 Placer American Hill Rd, (Forest Route 13), 4.7 mi S of its jct with Foresthill Rd and just S of a crk crossing 1552 Comment
  UCD21794  Arnica dealbata Beth Lowe Corbin 1982-8-19 380 Placer 1 1/2 miles south of The Cedars. 1874 Comment
  UC197366  Arnica dealbata C. F. Sonne 1895-7-14 Placer hillside near Pole Creek; Sierra Nevada Mountains, Truckee River Comment
  UC91127  Arnica lanceolata subsp. prima C. F. Sonne 1886-8-16 Placer 2590 Comment
  CAS-BOT-BC85174  Arnica mollis F. Almeda 1993-7-25 7295 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass. 1920 Comment
  UCD44017  Arnica mollis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1383 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS111285  Arnica nevadensis Steve Matson 2005-7-30 1422 Placer Squaw Valley ski area, about 1 km west of High Camp (top of tramway), under Shirley Canyon chairlift upper terminal: 39.1942 N, 120.2721 W ; elevation 8,100 ft. 2468 Comment
  SEINET8196674  Artemisia arbuscula subsp. thermopola D. W. Taylor 2013-7-7 21400 b Placer Tinker Knob, east flank (approached from the jeep road along the ridge to the NE). 2648 Comment
  UCD83616  Artemisia cana subsp. bolanderi Albert Grigarick 2009-8-20 183 Placer E of Truckee, on S end of Martis Creek Reservoir. 1775 Comment
  UCD38933  Artemisia douglasiana Beecher Crampton 1961-9-27 6013 Placer 1 mile west of Cisco Grove. 1706 Comment
  UC1119428  Artemisia rothrockii N. French 1934-6-22 462 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  UC6195  Asarum lemmonii Mrs. M. M. Hardy 1893-1 Placer Comment
  POM76149  Asclepias cordifolia Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UC1123502  Asclepias cordifolia N. French 1934-5-29 379 Placer Emigrant Gap Tahoe National Forest, Colfax Quadrangle Comment
  RSA331972  Asclepias cordifolia W. Wisura 1985-6-1 4051 Placer Nayak, near Emigrant Gap, along dead end rd. to railway siding, on rocks. Comment
  UCR258169  Asclepias fascicularis George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20051 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  CDA19564  Aspidotis densa M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 253 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
  UC1874971  Aspidotis densa Ruth Kirkpatrick 2001-7-16 1062 Placer Junction of Hwy 20 with Sierra Discovery Trail, 3 mi E of Hwy 80. 1421 Comment
  CHSC73918  Aster alpigenus var. andersonii Susi Urie 1998-8-26 98 -102 Placer Lake Tahoe Basin Management Unit - National Forest. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCR209725  Aster foliaceus var. parryi George K. Helmkamp, E. A. Helmkamp 2009-8-12 15434 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  UCR229448  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17893 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  SCFS1173  Asteraceae E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  SEINET12159603  Astragalus austiniae C. F. Sonne 1885-1 68 Placer Tinkus Knob 2896 Comment
  UC1128745  Astragalus bolanderi N. French 1934-6-19 427 Placer 1/4 mi w Devils Peak; Truckee Quad., Tahoe National Forest, w of Devils Peak Comment
  UC170082  Astragalus canadensis var. brevidens Miss Helen D. Geis August 1912 Placer near Truckee; near Truckee Comment
  CAS-BOT-BC69563  Athyrium alpestre subsp. americanum M. E. Parsons 1911-8-19 s.n. Placer Page Meadow, Lake Tahoe. Comment
  CHSC85762  Athyrium filix-femina G. F. Hrusa; J. Glazner 2000-9-3 15669 A Placer Northern Sierra Nevada. Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UCD23226  Athyrium filix-femina Beth Lowe Corbin 1982-8-13 339 Placer 1 mile west of The Cedars. In sandy soil between rocks along the north fork of the American River. 1630 Comment
  RSA692536  Athyrium filix-femina subsp. cyclosorum May N. Ackley 1925-06 13 Placer Bear Valley Comment
  RSA692535  Athyrium filix-femina subsp. cyclosorum May N. Ackley 1927-1 14 Placer Near Towle Comment
  CHSC10695  Athyrium filix-femina var. cyclosorum Lowell Ahart 1966-8-12 Placer Near French Meadows. 1676 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-BC17414  Athysanus pusillus A. A. Heller 1917-6-17 12693 Placer Near the Yuba River below Cisco. 1676 Comment
  SEINET5336143  Avena barbata J. Solaegui 1977-3-19 s.n. Placer 3 mi. E of Auburn on Rt. 49 on dirt road immediately N of Highway 274 Comment
  CHSC46166  Azolla filiculoides Lowell Ahart 1975-3-16 708 Placer About 1/2 mile north-east of the intersection of Wise Road and McCortney Road, north-east of Lincoln. 41 Comment
  CHSC26005  Balsamorhiza hookeri James Henrickson 1969-5-25 3405 Placer 102 mi NE of Sacramento, 4 mi SE of Truckee along Hwy 267. 1828 Comment
  JEPS126383  Balsamorhiza hookeri Steve Matson 1998-5-17 199 Placer nSNH; Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 yards north of airport creek, 100 yards south of Martis Dam Road; 5% slope. 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
  UC761939  Balsamorhiza macrolepis R. F. Hoover 1939-5-10 4092 Placer Lincoln Comment
  UC893858  Balsamorhiza sagittata Alice Eastwood Jun 15 1912-Jun 19 1912 363 Placer Deer Park Lake Tahoe Region Comment
  CAS-BOT-BC16551  Barbarea orthoceras A. A. Heller 1917-6-17 12697 Placer Along the Yuba River below Cisco. 1676 Comment
  CAS-BOT-BC16554  Barbarea orthoceras Marcus E. Jones 1882-6-28 2621 Placer Emigrant Gap. Comment
  CAS-BOT-BC438815  Barbarea orthoceras George K. Helmkamp; Mary Alice Barnes 2013-4-18 20349 Placer Foothills, northern Sierra Nevada Mountains: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax. 561 Comment
  UCD22358  Barbarea orthoceras Rex Palmer 1979-7-12 N 631 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR177019  Blennosperma nanum var. nanum George K. Helmkamp, E. A. Helmkamp 2006-2-9 10057 Placer Northern Central Valley, WNW of Loomis along Sierra College Blvd near Clover Valley Road [Del Mar Avenue and Grange Avenue] 122 Comment
  SEINET4176260  Boechera J. Halderman 2007-9-18 s.n. Placer Sierra Nevada, north-facing slope of Lookout Mountain at Northstar Ski Area 2331 Comment
  CAS-BOT-BC15949  Boechera breweri subsp. breweri Kellogg 1870-6-17 s.n. Placer Sierra Nevada Mountains. Cisco. Comment
  UCD114321  Boechera divaricarpa Robert E. Preston 1984-6-13 460 Placer ca. 3.2 km W of Sunnyside. 2013 Comment
  CAS-BOT-BC16272  Boechera howellii John F. Emmel 1971-7-11 377 Placer 0.3 air mile east of east side of Lake Mary, between Donner Pass and Mount Judah. 2286 Comment
  UCD22340  Boechera pendulocarpa Rex Palmer 1979-6-9 N 133 Placer Headwaters basin area of the North Fork of the American River. 2438 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
  UCD149417  Boechera suffrutescens G. Ledyard Stebbins 1976-7-6 7693 Placer Bunker Hill. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET10340049  Boykinia major George K. Helmkamp, E. A. Helmkamp 2008-9-15 14115 Placer Northern Sierra Nevada Mountains; along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  UCR200862  Boykinia major George K. Helmkamp, E. A. Helmkamp 2008-9-15 14115 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  CAS-BOT-BC417619  Boykinia major L. S. Smith 1927-8-5 2141 Placer Robertson Flat, R.S. Forest Hill Dist. Comment
  SEINET5340929  Brassica rapa C. Fitz 1959-3-5 s.n. Placer Near Auburn, Hw. 40, profuse in fields and orchards. 396 Comment
  CDA36883  Briza minor CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  CDA36988  Briza minor CDFA Staff s.n. Placer Dry Creek. 0 Comment
  SEINET4344869  Briza minor A. Tiehm, Hugh Mozingo, Margaret Williams, Emily McPherson 1975-1 621 Placer one mile north of Lincoln Comment
  UCD57424  Briza minor A. A. Beetle 1941-5-26 2711 Placer Near Cisco. 914 Comment
  UCD77163  Brodiaea appendiculata Robert E. Preston 2004-4-25 2225 Placer Ca. 4 mi NE of Sheridan, along Camp Far West Rd 32 Comment
  UCR249600  Brodiaea elegans subsp. elegans George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20829 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  UCR218217  Bromus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16435 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  SACT000378  Bromus breviaristatus Michael Baad 1976-8-7 Placer transect from Bear Lake to ridge northest of lake overlooking Cothurin Cove to the southwest 2072.0 Comment
  UCD42870  Bromus carinatus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 237 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD58160  Bromus carinatus Frederica Bowcutt 1994-7-22 1951 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp on ridge SE of pond site. 2438 Comment
  UCD58263  Bromus carinatus August L. Hormay 1933-5-24 s.n. Placer West of Auburn. Comment
  UCD75703  Bromus carinatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5152 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
  JEPS75155  Bromus carinatus var. carinatus Gladys L. Smith 1972-6-20 3261 a Placer Ward Peak, summit to Sherwood Forest Ward Peak 2590 Comment
  UCD58454  Bromus commutatus Beecher Crampton 1955-6-15 2862 Placer 3 miles east of Weimar. Comment
  UC790922  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
  UCR176281  Bromus hordeaceus George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10430 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  SEINET3817934 Image available Bromus laevipes George K. Helmkamp, E. A. Helmkamp 2012-5-5 18910 Placer Northern Sierra Nevada Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi SE (123degrees) of Clementine Dam on the American River (Auburn 7.5' Q. 396 Comment
  UCD59014  Bromus madritensis Beecher Crampton 1955-6-15 2923 Placer 10 miles west of Forest Hill. Comment
  HSC9325  Bromus madritensis subsp. rubens L. M. Malloy 1965-4-17 43 Placer 5 mi. W of Newcastle on Newcastle-Lincoln Rd. by Nakamura's pond Comment
  SACT000692  Bromus marginatus D. Meyer 1983-8-20 Placer from road to first lake, steep rocky trail 2000.0 Comment
  LA13781  Bromus orcuttianus B. Bolt; 1934-7-3 75 Placer top of Sawtooth Ridge 1219 Comment
  SACT000618  Bromus orcuttianus D. Meyer 1984-7-29 Placer 1645.92 Comment
  SEINET3922457  Bromus rigidus Arnold Tiehm, Hugh N. Mozingo; Margaret Williams; Emily McPherson 1975-3-25 606 Placer One mile north of Lincoln.; 0 Comment
  SACT000722  Bromus rubens Michael Baad 1977-6-8 Placer on road between Forest Hill and French Meadows; roadside in serpentine-chaparral community 914.4 Comment
  UCD59655  Bromus secalinus Beecher Crampton 1953-5-26 1337 Placer Sunnybrook Farms, 2 miles north of Lincoln. Comment
  CAS-BOT-BC161586  Bromus sterilis Saichi Kawahara 1969-7-6 1421 Placer West of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  CAS-BOT-BC161572  Bromus suksdorfii A. A. Heller 1917-8-14 12924 Placer Mount Lincoln south of Summit Valley. 2499 Comment
  SACT000757  Bromus suksdorfii D. Meyer Placer 10 miles from French Meadows, dry roadside 1524.0 Comment
  CAS-BOT-BC161528  Bromus tectorum Lewis S. Rose 1946-6-23 46198 Placer Rainbow, north of Cisco. 1737 Comment
  CDA36963  Bromus tectorum CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  SACT000765  Bromus tectorum Michael Baad 1983-7-10 Placer opening in pine forest with Wyethia on south-facing slope 1524.0 Comment
  SACT000767  Bromus tectorum Michael Baad 1983-5-5 Placer Ciolfax, 1 mile north of Placer Hills Road. Open hillside north-facing slope. 609.6 Comment
  SACT000770  Bromus tectorum var. glabratus D. Meyer 1984-5-28 Placer next to orchard 206.0 Comment
  SACT000773  Bromus tectorum var. tectorum D. Meyer 1983-7-3 Placer 1152.0 Comment
  SACT000796  Bromus vulgaris D. Meyer 1984-7-29 Placer 1414.0 Comment
  SACT000799  Bromus willdenowii D. Meyer 1984-6-17 Placer at Margaret Ann Drive, South of Weimar 545.0 Comment
  CHSC82661  Bulbostylis capillaris Lowell Ahart 2002-7-22 9908 Placer On the south side of the small natural lake, on the east side of the paved road to Lake Valley Reservoir, about 1/4 mile east of Yuba Gap and Highway 80. 1773 Comment
  UC148340  Calamagrostis breweri A. A. Heller 1903-8-10 7130 Placer above Donner Pass 2286 Comment
  CHSC73531  Calamagrostis canadensis L. P. Janeway; Eric Schroder 1998-9-16 6327 Placer Lake Tahoe Basin-National Forest. Meadow on north side of the creek about half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  CHSC96485  Callitriche heterophylla var. bolanderi Lowell Ahart; Brian Williams 2007-4-13 13669 Placer In shallow water, in and around a large vernal pool, just over the fence (west), 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. 41 Comment
  CAS-BOT-BC85752  Calocedrus decurrens M. S. Jussel 1930-6-27 s.n. Placer Camp Baxter 1676 Comment
  UCD162759  Calocedrus decurrens Dylan O. Burge; J. Bisbee 2014-5-25 1638 Placer Soda Springs Road. 2009 Comment
  UCR194974  Calochortus albus George K. Helmkamp, E. A. Helmkamp 2007-5-18 11998 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  CAS-BOT-BC487951  Calochortus leichtlinii Alice Eastwood 1909-1-1 252 Placer Lake Tahoe, Deer Park Comment
  UC3403  Calochortus leichtlinii Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC490536  Calochortus luteus Carl B. Wolf 1937-5-12 8611 Placer Sacramento Valley, 1 mi. no. of Lincoln 45 Comment
  CAS-BOT-BC493403  Calochortus monophyllus C. L. Hitchcock 1940-5-7 6311 Placer 1 mile west of Baxter Comment
  UC147616  Calochortus nudus Miss Harriet A. Walker 1908-6-26 1317 Placer Cisco 1810 Comment
  SEINET8197723  Calochortus superbus W. Roderick, R. Halliday 1967-6-10 s.n. Placer N edge of Auburn. 366 Comment
  SD237303  Calycadenia multiglandulosa G. K. Helmkamp, E. A. Helmkamp 2010-6-26 16368 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax. 616 Comment
  SD61090  Calycadenia multiglandulosa Darley F. Howe 1964-7-26 3872 Placer Auburn 365 Comment
  CDA10572  Calycadenia multiglandulosa K. Connolly, Robin Breckenridge 1992-9-3 Placer Branchwood Road, Foresthill. 0 Comment
  JEPS7095  Calycadenia multiglandulosa Rimo Bacigalupi with G. L. Stebbins, Daniel Zohary, Howard Stutz, Alex D. Hawkes, Juan Hunziker, 1952-7-19 3849 Placer about 1 1/2 mi n of (and below) Colfax (on grade along road to Iowa Hill, n slope of the canyon of the North Fork of the American River); North Fork of the American River Comment
  UC1876157  Calycadenia multiglandulosa Gerald D. Carr 1971-8-15 634 Placer 4.1 mi N of Auburn on Hwy 49. 426 Comment
  UC1137574  Calycadenia truncata B. Bolt 1934-7-22 158 Placer ridge 1/2 mi s Chicken Hawk; Tahoe National Forest, Colfax 1310 Comment
  UC481025  Calycadenia truncata Katharine Brandegee 1908-6-1 Placer Cape Horn Comment
  UC89044  Calycadenia truncata K. Brandegee 1889-7-6 Placer near Alta; Towles Comment
  UC852136  Calyptridium monospermum A. A. Heller 1917-6-19 12740 Placer Emigrant Gap 1615 Comment
  UCR240905  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2012-6-19 19228 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 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
  UCD21926  Calyptridium umbellatum Beth Lowe Corbin 1982-8-2 150 Placer Onion Creek campground. 1841 Comment
  UCR173738  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10706 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  CHSC112057  Calystegia vanzuukiae R. K. Brummitt; S. M. Namoff, K. Van Zuuk, B. Ertter 2012-6-12 22047 Placer Tahoe National Forest, 3 miles NE of Foresthill, Western States Trail c. 1 mile from Michigan Bluff Road. 1091 Comment
  CAS-BOT-BC493372  Camassia quamash subsp. breviflora Alice Eastwood 1912-6-15 400 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC376274  Campanula Greg de Nevers 1995-8-20 10772 Placer Lake Tahoe. Along stream at Chambers Landing, at about 6000 ft. 1828 Comment
  UCR231838  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2010-8-14 16783 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
  UCR173518  Capsella bursa-pastoris George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10130 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  CDA15643  Cardamine breweri G. F. Hrusa, J. Glazner 1999-7-18 15213 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd 1889 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
  CAS-BOT-BC471266  Cardamine cordifolia Arnold Tiehm 1974-8-8 525 Placer Sierra Nevada. Juniper Creek 2194 Comment
  SEINET5341059  Cardamine integrifolia B. Rice 1941-3-10 s.n. Placer Near Colfax. Comment
  CAS-BOT-BC37842  Cardamine oligosperma Saichi Kawahara 1969-5-24 884 Placer Slope overlooking north fork of the American River. Colfax-Iowa Hill Road, between Dinner Tree and Windy Point. 585 Comment
  UCR237433  Cardamine pensylvanica George K. Helmkamp, E. A. Helmkamp 2012-2-23 18576 Placer Eastern edge Sacramento Valley, Newcastle, along CA-193 (Newcastle Hwy), 0.1 mile southeast of its junction with Langs Hill Road, west of the junction with I-80, SW of Auburn 279 Comment
  SEINET3402476  Carduus pycnocephalus subsp. pycnocephalus R. W. Spellenberg, N. Zucker 2011-4-15 14276 Placer Along CA Hwy. 65 1.5 km N of Lincoln, ca. 40 air km NE of Sacramento. 55 Comment
  CHSC92614  Carex G. F. Hrusa; J. Glazner 1999-7-18 15204 Placer Northern California. Lake Tahoe Region. Slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Adjacent to Squaw Valley Rd. In bottom of depression. UTM: 10S, 43434 N, 07418 E. 1889 Comment
  POM81941  Carex Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  UCD42793  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 159 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD42975  Carex C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 344 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  JEPS49030  Carex Leland S. Smith 1937-8-12 2236 Placer below Squaw Peak (upper end of basin); Tahoe Forest, Squaw Peak Basin 2286 Comment
  JEPS63736  Carex angustata L. S. Smith June, 1916 561 Placer Squaw Valley 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
  CAS-BOT-BC18023  Carex athrostachya James A. Neilson 1970-7-18 1601 Placer Sierra Nevada. Ward Valley. Comment
  CDA13691  Carex athrostachya G. F. Hrusa, J. Glazner 1997-8-3 14051 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Perennial on periphery of main meadow. Lightly shaded, probably seasonally moist areas. Comment
  CAS-BOT-BC19071  Carex aurea John Thomas Howell 1938-8-2 14002 Placer 5 miles north of Brockway. Comment
  CAS-BOT-BC34438  Carex deflexa var. boottii Lewis S. Rose 1944-7-26 44270 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  RSA115454  Carex feta Beecher Crampton 1955-6-15 2865 Placer Head of Bunch Canyon, Forest Hill Road junction with U. S. Highway 40, 3 miles east of Weimar. Comment
  CAS-BOT-BC20169  Carex filifolia var. erostrata Marcus E. Jones 1882-6-28 2908 Placer Emigrant Gap. Comment
  UC825102  Carex filifolia var. erostrata Marcus E. Jones, A. M. 1882-6-28 2908 Placer Emigrant Gap Comment
  UC1133314  Carex fracta B. Bolt 1934-7-6 125 Placer Mammoth Spring 1615 Comment
  CAS-BOT-BC22173  Carex helleri L. S. Smith 1927-8-12 2225 Placer Squaw Peak Ridge. Top ridge, near pass from American side. 2438 Comment
  SEINET5786597 Image available Carex hoodii Marcus E. Jones 1882-1 3532 Placer Emigrant Gap Comment
  CHSC74288  Carex infirminervia Susi Urie 1998-8-13 98 -043 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC68060  Carex integra James D. Jokerst 1986-7-13 2704 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, camp area. Comment
  UC1133401  Carex luzulifolia L. S. Smith 1927-8-12 Placer Squaw Peak and Upper Basin 2438 Comment
  CAS-BOT-BC32454  Carex luzulifolia var. strobilantha Amos Arthur Heller 1903-8-17 7187 Placer Above Donner Pass 2286 Comment
  CAS-BOT-BC31605  Carex luzulina var. ablata John Thomas Howell 1938-8-2 14003 Placer 5 miles N of Brockway. Comment
  CAS-BOT-BC31625  Carex luzulina var. luzulina Marcus E. Jones 1882-6-29 2907 Placer Emigrant Gap. Comment
  SEINET4286044  Carex mariposana K. Chung, Matson, S 2009-1 1072 Placer Lake Tahoe, north side Comment
  SEINET10883493  Carex mariposana John Thomas Howell 1943-7-26 Howell 18852 Placer Sugar Bowl, nw of Mt. Lincoln. Comment
  CHSC89806  Carex microptera G. F. Hrusa; J. Glazner 2000-7-1 15604 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. [Lat./long. on label is '39 22 N; 120 15 W']. 1844 Comment
  CAS-BOT-BC32273  Carex multicostata John Thomas Howell 1943-7-21 18641 Placer Donner Pass to Mt. Lincoln 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
  CHSC73100  Carex nebrascensis L. P. Janeway 1998-8-6 5977 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
  SD480  Carex nebrascensis Jun 1915 73 Placer Donner. Comment
  UCD43276  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 644 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC119847  Carex nebrascensis John Thomas Howell 1938-8-2 14004 Placer 5 mi N of Brockway. Comment
  POM81078  Carex nervina Marcus E. Jones 1882-7-1 3533 Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  UC1133405  Carex pachycarpa N. French 1934-6-21 431 Placer nw end Lake Kid; Tahoe National Forest, Truckee Quadrangle Comment
  CHSC74134  Carex pellita Susi Urie 1998-8-28 98 -143 Placer Lake Tahoe Basin Management Unit, National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  UCD43076  Carex pellita C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 444 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44535  Carex preslii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1901 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD74101  Carex rossii Jennifer W. Burt; Sarah Shannon 2005-7-8 7 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from coniferous forest near abandoned ski runs. 1922 Comment
  CDA13685  Carex simulata G. F. Hrusa, J. Glazner 1997-8-3 14045 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC74307  Carex simulata Susi Urie 1998-9-2 98 -202 Placer Lake Tahoe Basin Management Unit. Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  POM80664  Carex stipata Marcus E. Jones 1882-7-1 3533 Placer Emigrant Gap. Comment
Read comments
Sep 7 2010
  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
  SEINET8121929 Image available Carex straminiformis A. A. Heller 1917-8-14 12927 Placer Mount Lincoln S of Summit Valley Comment
  CAS-BOT-BC116560  Carex subfusca Lewis Samuel Rose 1941-7-17 41318 Placer Chambers Lodge, Lake Tahoe. 1898 Comment
  CDA13692  Carex subfusca G. F. Hrusa, J. Glazner 1997-8-3 14052 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  CHSC74137  Carex subfusca Susi Urie 1998-8-11 98 -013 Placer Lake Tahoe Basin Management Unit. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC92617  Carex subfusca G. F. Hrusa; J. Glazner 1997-8-3 14052 Placer Northern California. Sierra Nevada. Corner of Hwy 89 and Squaw Valley Rd. On periphery of main meadow. [Lat./long. on label is '39 12 N; 120 12 W']. 2000 Comment
  JEPS63521  Carex subfusca W. L. Jepson 1934-8-7 16880 Placer bank of Truckee River near Squaw Valley; Truckee River Comment
  SEINET8574130 Image available Carex subfusca Unknown 2010-1 25307 Placer 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
  JEPS74225  Carex subnigricans Gladys L. Smith 1972-8-25 3428 Placer along trail descending cirque, n-facing slope Granite Chief Granite Chief 2590 Comment
  CAS-BOT-BC115401  Carex utriculata Catherine Best 1938-8-2 14001 Placer 5 mi N of Brockway Comment
  CHSC74894  Carex vesicaria Susi Urie 1998-8-27 98 -124 Placer Lake Tahoe Basin Management Unit. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD43787  Carex vesicaria C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1153 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC114925  Carex whitneyi John Thomas Howell 1943-7-27 18875 Placer Lake Tahoe near Tahoe Pines. Comment
  UC1133488  Carex whitneyi N. French 1934-7-21 432 Placer nw end Kid Lake; Tahoe National Forest, Truckee Quadrangle Comment
  UCD74114  Carex whitneyi Jennifer W. Burt 2006-7-1 168 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from coniferous forest near abandoned ski runs. 2066 Comment
  SD3558  Cassiope mertensiana C. F. Sonne 1897-8-14 Placer Truckee, east slope of Mt. Anderson. Comment
  SEINET12029476  Castanopsis chrysophylla C. F. Sonne 1884-1 s.n. Placer Comment
  SACT002854  Castanopsis sempervirens Michael Baad 1977-6-1 Placer Collected at trail head. 0.5 km north of Forest Hill Divide Road. 2 km north of Skunk Spring Comment
  JEPS1213  Castilleja Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4011 Placer s of Auburn (near bridge on Rt 49); North Fork American River 213 Comment
  UCD21862  Castilleja Rex Palmer 1979-6-20 N 341 Placer Exact location unknown. Comment
  UCD21861  Castilleja Rex Palmer 1979-6-9 N 154 Placer Exact location unknown. 2438 Comment
  OBI9719  Castilleja applegatei Robert F. Hoover 1967-9-5 10830 Placer Carnelian Bay, Lake Tahoe Comment
  CHSC24674  Castilleja applegatei subsp. martinii T. C. English 1976-4-18 36 Placer Located ca 100 yds sw of Hwy 49 2 mi e of Auburn cith limits. 335 Comment
  CAS-BOT-BC249699  Castilleja applegatei subsp. pinetorum Marcus E. Jones 1930-7-10 25530 Placer Lake Tahoe Comment
  CAS-BOT-BC249703  Castilleja applegatei subsp. pinetorum Alice Eastwood 1909-1-1 250 Placer Lake Tahoe Region, Deer Park Comment
  CAS-BOT-BC249705  Castilleja applegatei subsp. pinetorum Alice Eastwood 1909-1-1 59 Placer Lake Tahoe Region, Sunnyside Comment
  CAS-BOT-BC518712  Castilleja applegatei subsp. pinetorum George K. Helmkamp; E. A. Helmkamp 2012-6-19 19212 Placer Northern Sierra Nevada Mountains Foothills: Mosquite Ridge Rd, 2.7 mi S of jct with Foresthill Rd 820 Comment
  RSA569050  Castilleja applegatei subsp. pinetorum Bonnie C. Templeton 1931-7-5 1509 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCD122325  Castilleja attenuata M. H. Mills 1996-4-12 130 Placer 5830 Walden Lane, Loomis. 180 Comment
  SEINET3245842  Castilleja foliolosa G. K. Helmkamp, E. A. Helmkamp 2007-1 11715 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road at the junction with the unnamed road to Lake Clementine. 457 Comment
  UCD122499  Castilleja foliolosa G. K. Helmkamp; Elizabeth Helmkamp 2006-5-13 10435 Placer Northern Sierra Nevada: ca. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with CA Hwy 49 at the middle fork of the American River. 370 Comment
  UC1713509  Castilleja miniata Katharine Brandegee Placer Cisco Comment
  UC885341  Castilleja miniata A. A. Heller 1916-8-13 12905 Placer Summit hotel 2133 Comment
  JEPS27221  Castilleja miniata E. R. Blakley 1960-9-2 3803 Placer mouth of Carnelian Creek Carnelian Creek; Lake Tahoe 1905 Comment
  CHSC74268  Castilleja miniata subsp. miniata Susi Urie 1998-9-2 98 -219 Placer Large meadow below Hwy 28, between the highway and Lake Forest Road; about 0.2 mi north of Lake Tahoe. 1908 Comment
  UCD44455  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1821 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44518  Castilleja miniata subsp. miniata C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1884 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC1032433  Castilleja pruinosa G. T. Nordstrom 1934-6-21 146 Placer near Mammoth Springs; Tahoe National Forest, Colfax Quad. 1706 Comment
  JEPS88839  Castilleja subinclusa subsp. subinclusa T. I. and F. M. Chuang 1991-6-29 7839 Placer 3.6 mi sw Iowa Hill (on road to Iowa Hill) Comment
  UCD143724  Ceanothus arcuatus F. Felix, E. Krimmel 2013-5-26 45 Placer North Fork/Chickering American River Reserve. Where Cedar Meadows trail meets Cedar Creek Falls. Comment
  UCD143727  Ceanothus arcuatus F. Felix, E. Krimmel 2013-5-26 47 -A Placer North Fork/Chickering American River Reserve. Where Cedar Meadows trail meets Cedar Creek Falls. Comment
  CAS-BOT-BC47894  Ceanothus cordulatus Sachs 1922-7-1 1216 Placer Lake Tahoe Comment
  CAS-BOT-BC48711  Ceanothus cordulatus Elizabeth Parsons Hawver s.n. Placer Lake Tahoe Region 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
  OBI20163  Ceanothus cordulatus David J. Keil 1978-7-23 12941 Placer Cisco Grove exit from i-80 just E of Nevada Co line 1768 Comment
  POM263653  Ceanothus cordulatus Lewis S. Ross 1941-7-14 41315 Placer Chambers lodge (McKinney), Lake Tahoe. Comment
  RSA0053704  Ceanothus cordulatus G. K. Helmkamp, E. A. Helmkamp 2012-6-19 19222 Placer Northern Sierrra Nevada Mountains: Devil's Thumb Rd (Deadwood Rd), 1.2 mi S of its jct with Foresthill Rd 1648 Comment
  SACT002891  Ceanothus cordulatus Michael Baad 1976-6-10 Placer North-facing slope at trailhead to Duncan Canyon and Robison Flat, 1 mile east of Duncan Creek Road crossing on the way to French Meadows. Comment
  UC1070972  Ceanothus cordulatus G. T. Nordstrom 1934-6-22 156 Placer 3.5 mi e by se Texas Hill; Colfax quad, Tahoe Nat. For. 1859 Comment
  UC18249  Ceanothus cordulatus J. Burtt Davy Jun 25 1897-Jun 30 1897 3248 Placer near Tahoe (along Truckee River); Truckee River Basin Comment
  UCD111389  Ceanothus cordulatus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12055 Placer Northern Sierra Nevada Mountains; along Forest Hill Road, 11.1 miles northeast of Foresthill. 1463 Comment
  UCD150852  Ceanothus cordulatus James A. Neilson Jr. 1971-6-30 2133 Placer Tahoe Basin, 1 mile south of Tahoe City on Chapel Lane. 1914 Comment
  UCD22198  Ceanothus cordulatus Beth Lowe Corbin 1982-8-2 149 Placer Onion Creek Campground. S facing slope, 25% incline. Partial sun. Dominant shrub, fairly abundant. In open area between trees, in mixed conifer forest, on fine, sandy, granitic soil. Spiny shrub 1 m tall, with smooth, grey bark. 1841 Comment
  UCR120250  Ceanothus cordulatus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5039 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CAS-BOT-BC49069  Ceanothus cuneatus Mary Elizabeth Jump 1939-4-16 s.n. Placer Near Colfax on old county road to Gold Run Comment
  SEINET5339262  Ceanothus cuneatus H. Holbo 1961-3-31 s.n. Placer N. fork American River 610 Comment
  UCR238579  Ceanothus cuneatus subsp. cuneatus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18656 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  RSA0035851  Ceanothus integerrimus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20370 Placer Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UC1070709  Ceanothus integerrimus N. French 1934-5-24 69 Placer N. Fork of N. Fork American River Colfax quad., Tahoe National Forest 1341 Comment
  UC1602376  Ceanothus integerrimus Katharine Brandegee 1889-7-7 Placer Blue Canyon Comment
  UC338452  Ceanothus integerrimus Lemmon May 1889 Placer Near Blue Canyon Comment
  UCD22210  Ceanothus integerrimus Rex Palmer 1979-6-21 N 394 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22724  Ceanothus integerrimus K. A. Bear 1978-5-13 52 Placer 4.1 mi. E. of Foresr Hill Rd. on Mosquito Ridge Rd. Comment
  UCR146864  Ceanothus integerrimus Beecher Crampton 1973-10-2 9021 Placer Sierra Nevada Mountains, 1 mile east of Baxter 1280 Comment
  UCR190845  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2007-5-23 12066 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  UCR250360  Ceanothus integerrimus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20370 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
  SACT002928  Ceanothus integerrimus Stanley Clark 1937-5-1 Placer Native shrub, to 6' tall, flowers white. Comment
  RSA258880  Ceanothus integerrimus var. californicus Thomas W. Nelson, Jane P. Nelson 1974-6-17 1360 Placer Beside Hwy 80 at its jct with Blue Canyon Road, 9 miles W of the Placer - Nevada County line. Comment
  CAS-BOT-BC51038  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1917-6-16 12679 Placer near Dutch Flat 914 Comment
  UC1281533  Ceanothus lemmonii H. E. McMinn 1926-5-29 1755 Placer 10.6 mi w Crystal Springs (Truckee Rd) Comment
  CAS-BOT-BC63352  Ceanothus prostratus Mary Elizabeth Jump 1939-4-23 s.n. Placer Towle, near Alta. Comment
  CAS-BOT-BC63357  Ceanothus prostratus Mary Elizabeth Jump 1939-6-11 s.n. Placer Towle, near Alta. 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
  UCD112643  Ceanothus prostratus Amelie Blyth 1952-5-11 9 -4 Placer One mile north of Forest Hill. Comment
  UCD112646  Ceanothus prostratus Beecher Crampton 1956-7-17 3732 Placer Placer County, 1.5 miles north of Blue Canyon. 1524 Comment
  SBBG68544  Ceanothus prostratus var. prostratus M. N. Ackley -Jun-1925 921 Placer Gold Run 983 Comment
  UCD22196  Ceanothus velutinus Beth Lowe Corbin 1982-8-20 395 Placer 1 1/4 miles NW of Onion Creek Campground. SW facing slope, 20% incline. Occasional. Partial sun. In fine, sandy soil of white fir forest. Loosely branched shrub to 5 ft tall. Flowers dried, whitish. Fruit green. Foliage aromatic, like balsam. 2133 Comment
  CDA1097  Centaurea maculosa Stark, Kerr 1998-9-17 PDR# 1142330 Placer Homewood; Tahoe Ski Bowl. 0 Comment
  UCR209721  Centaurea maculosa George K. Helmkamp, E. A. Helmkamp 2009-8-12 15421 Placer Sierra Nevada Mountains, Forest Hill road, 14.0 miles northeast of the city of Foresthill 1564 Comment
  CDA7269  Centaurea maculosa T. C. Fuller 1965-8-1 13942 Placer Sierra Nevada; Sierra Nevada. South side of the westbound lanes of Interstate 80 freeway, 1.4 miles east of Emigrant Gap. Comment
  CAS-BOT-BC443966  Centaurium tenuiflorum C. Rose Broome 1978-8-3 2313 Placer Town of Rough and Ready, next to Penn Valley, 29.5 mi E of Marysville on CA Hwy 20; 8 mi W of Grass Valley. Comment
  CAS-BOT-BC288618  Centromadia fitchii J. Clausen 1932-9-16 650 Placer 2.5 miles from Auburn on the Sacramento Rd Comment
  SEINET5337025  Cerastium fontanum P. A. Lehenbauer 1932-6-26 1552 Placer Near Lake Tahoe, along Truckee river. Comment
  JEPS127490  Cerastium fontanum subsp. vulgare Steve Matson 2002-7-9 477 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267, along east Martis Creek. Comment
  UCR206367  Cerastium glomeratum George K. Helmkamp, E. A. Helmkamp 2009-3-11 14388 Placer Sacramento Valley, Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  CAS-BOT-BC207586  Cercis occidentalis S. P. Rixford 1916-7-1 s.n. Placer Above Placerville Comment
  UCR242361  Chaenactis douglasii George K. Helmkamp, E. A. Helmkamp 2010-7-28 16664 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  CAS-BOT-BC276715  Chaenactis douglasii var. douglasii Nora Pettibone; Frank W. Hubby 1892-8-1 s.n. Placer Lake Tahoe 1828 Comment
  POM260095  Chaenactis glabriuscula var. heterocarpha C. L. Hitchcock 1940-5-15 6405 Placer 6 miles N of Colfax Comment
  CAS-BOT-BC141723  Chamaebatia foliolosa C. B. Wolf 1931-9-11 1299 Placer 1 mile west of Gold Run - Sierra Nevada 914 Comment
  CAS-BOT-BC141725  Chamaebatia foliolosa Nancy Ryan Zabriskie; Walter Zabriskie 1973-6-7 669 Placer Emigrant Gap (off I80 W of Donner Pass) - Sierra Nevada Mts. 1615 Comment
  SEINET3392250  Chamaebatia foliolosa E. D. McArthur 1982-1 EDM- 1361 Placer East of Auburn; along the road to Forest hill Comment
  UCD112924  Chamaebatia foliolosa R. Bladin 1992-6-7 13 Placer Forest Hill near parket lot. 975 Comment
  UCD112939  Chamaebatia foliolosa K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, 4 miles east of Forest Hill (town). Western Sierra foothills. 900 Comment
  UCD16120  Chamaebatia foliolosa Collector unknown 1984-5-12 Placer California. Placer County: 10 mi SE of Auburn on Forest Hill Rd. 609 Comment
  CHSC45987  Chamaesaracha nana Lowell Ahart 1972-6-28 128 Placer Near the Middle Fork of the American River, south across the river from Ahart Camp, French Meadows. 1524 Comment
  CDA4783  Chamaesyce nutans T. C. Fuller 1964-9-1 12566 Placer Sierra Nevada; North side of Auburn Avenue at Castle Street, Colfax. Comment
  CHSC97701  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2007-11-13 14593 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan. 73 Comment
  JEPS102536  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2001-10-10 9347 Placer French Meadows Reservoir, near boat or trail access area on northwest side of reservoir, about 1 mile southwest of bridge across Middle Fork of American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  UC765106  Chamaesyce serpyllifolia R. F. Hoover 1936-7-31 1587 Placer Lincoln Comment
  UCD44541  Chamerion angustifolium subsp. circumvagum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1907 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC70191  Cheilanthes gracillima John H. Thomas; Hazelle A. Thomas 1956-7-21 6224 Placer Sierra Nevada, Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC70194  Cheilanthes gracillima Gordon H. True 1968-4-17 4166 Placer Hwy. 80 near Alta 1097 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
  CDA39019  Chenopodium ambrosioides D. G. Kelch 2011-10-2 11 .813 Placer Gold Run rest stop. Comment
  CAS-BOT-BC451414  Chimaphila menziesii Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  UC1120955  Chimaphila umbellata G. T. Nordstrom 1934-6-18 108 Placer n. slope Texas Hill (Plot 201); Tahoe Nat'l Forest, Colfax Quad. 1584 Comment
  CHSC98933  Chlorogalum angustifolium Samantha Mackey Hillaire 2007-7-7 1246 Placer North of Colfax, east side of Hwy I-80. 670 Comment
  UCD22051  Chlorogalum pomeridianum Beth Lowe Corbin 1982-8-11 317 Placer 1 2/3 miles SW of Onion Creek Campground. SE facing slope, 30% incline. Full sun. Common. In rocky slope of montane chaparral. Flowers white, with purplish midribs. 1905 Comment
  CDA42828  Chondrilla juncea G. F. Hrusa, M. Pitcairn 2015-7-16 18651 Placer Sierra Nevada; Lake Clementine Rd., E of Auburn. 398 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
  CAS-BOT-BC279799  Chondrilla juncea John Thomas Howell; Gordon H. True 1967-6-14 42594 Placer 1 mile ne. of Loomis 121 Comment
  CAS-BOT-BC279801  Chondrilla juncea T. C. Fuller 1965-10-11 14195 Placer Above Horseshoe Bar, Folsom Lake, e. end of Horseshoe Bar Rd., ca. 5 mi. e. of Loomis. Sierra Nevada 121 Comment
  CDA36758  Chondrilla juncea D. B. Joley 1976-4-22 14 Placer Loomis area. 0 Comment
  CDA37743  Chondrilla juncea William J. Ferlatte 1971-5-3 1328 Placer Southeast corner of Sierra College Blvd. & Brace Rd., about 1 mile southwest of Loomis. 0 Comment
  UCD33678  Chrysanthemum parthenium Beecher Crampton 1971-8-18 8754 Placer Placer County, Lake Tahoe, Tahoe Vista. 1920 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
  CAS-BOT-BC36356  Chrysolepis sempervirens R. S. Woglum 1934-8-1 s.n. Placer Lake Tahoe Comment
  UCD110121  Chrysolepis sempervirens B. Crampton 1956-8-18 3765 Placer 2 miles north of Blue Canyon. 1524 Comment
  UCD110126  Chrysolepis sempervirens Beecher Crampton 1975-10-14 9319 Placer Blue Canyon airport area. 1524 Comment
  SEINET7450580 Image available Chrysopsis breweri J. Day, C Jacobs, J Sulman 2004-9-2 NV 030 -030 Placer Forest Road 3 at Barker Pass At Ellis Peak Trailhead 2382 Comment
  UCD74035  Chrysothamnus nauseosus Jennifer W. Burt 2005-7-14 106 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 2070 Comment
  SEINET11860557  Chrysothamnus nauseosus subsp. albicaulis C. F. Sonne 1884-9-14 s.n. Placer road to Tahoe Comment
  POM352123  Cichorium intybus Wm Martin 1971-9-10 20206 Placer Vicinity of Applegate, 7 miles E of Auburn. Comment
  CAS-BOT-BC279836  Cichorium intybus Mrs. H. C. Cantelow 1938-7-2 2266 Placer 8 mi. n. of Auburn Comment
  SCFS11529157  Circaea alpina E. Krimmel 2014-7-5 Placer Cobbles in bed of Onion Creek near confluence with NFA Comment
  SEINET7451050 Image available Cirsium andersonii D. Micelli, M. Koski 2009-8-24 NV 030 -276 Placer [Sierra Nevada] Highway 80 W into Calif, exit Donner Pass rd., head towards Donner campground, keep on Donner Pass until Soda Springs road then turn L. Follow Soda Springs road until you get to dirt, follow for approximately 4 miles to collection site, Onion Creek 1862 Comment
  UCD21710  Cirsium andersonii Beth Lowe Corbin 1982-8-3 204 Placer Onion Creek campground. In fine, sandy, granitic soil. Disturbed area of White Fir forest. Biennial. Flowers dark rose purple. Mostly sun. SW facing slope. Many plants localized. 1841 Comment
  SEINET7451058 Image available Cirsium andersonii F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe Comment
  UC30784  Cirsium occidentale var. californicum Mrs. M. M. Hardy 1893-1 Placer Placer County Comment
  UCD130666  Cirsium occidentale var. venustum A. S. Crafts 1926-5-1 1663 Placer American River Canyon. Comment
  CAS-BOT-BC439025  Cistanthe monosperma Alice Eastwood 1912-6-15 s.n. Placer Truckee, Lake Tahoe Region Comment
  CAS-BOT-BC228715  Cistanthe umbellata Geo. B. Grant 1906-7-15 7027 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC228888  Cistanthe umbellata Mrs. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  UC930777  Clarkia biloba Alice Eastwood Jun 20 1912-Jun 22 1912 619 Placer Colfax Comment
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Sep 7 2010
  RSA449278  Clarkia biloba subsp. biloba A. A. Heller 1917-6-19 12746 Placer 4 miles east of Colfax Comment
  UCD132715  Clarkia biloba subsp. biloba Ramona Robison 2012-6-14 s.n. Placer Auburn State Recreation Area, in Mammoth Bar Off Highway Vehicle use area. 265 Comment
  CAS-BOT-BC172410  Clarkia biloba subsp. brandegeeae A. A. Heller 1917-6-19 12746 Placer 4 miles east of Colfax Comment
  CHSC98935  Clarkia biloba subsp. brandegeeae Samantha Mackey Hillaire 2007-6-7 1247 Placer North of Colfax, east side Hwy I-80, south of the Long Ravine railroad trestle. Between I-80 and the frontage road to the east. 658 Comment
  UCR218446  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16423 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
  UCR233229  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2011-7-9 17689 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.8 miles southeast of its junction with Foresthill Road 503 Comment
  RSA21799  Clarkia purpurea subsp. purpurea Carl B. Wolf 1937-6-11 8772 Placer Sacramento Valley, 1 mile north of Lincoln 46 Comment
  UC1004178  Clarkia purpurea subsp. quadrivulnera W. A. Weber and Lewis S. Rose 1953-5-19 8384 Placer 5 mi n Roseville (on road to Lincoln) 45 Comment
  UCR218445  Clarkia purpurea subsp. viminea George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16424 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
  UCD13162  Clarkia rhomboidea Michael Walton 1974-5-25 98 Placer Canyon Way, parallel to U.S. Interstate 80, about 15 miles northeast of Auburn. 609 Comment
  UCD100688  Claytonia parviflora subsp. parviflora Eric S. Nagy 1990-6-2 27 Placer Bridlevail Falls, Rt. 50. Comment
  SFV8731  Claytonia perfoliata E. J. McBerty 1961-5-7 25 Placer Sierra Nevada On county road about 1 mile north from Weimar. 640 Comment
  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
  CAS-BOT-BC91455  Clematis lasiantha Annetta Carter 1937-4-25 1248 Placer Between Folsom and Auburn, 6.5 miles southeast of Loomis. 152 Comment
  CAS-BOT-BC91459  Clematis lasiantha Ted Niehaus 1959-4-19 76 Placer Side canyon feeding into north fork of American River, 10 miles northwest of Foresthill on Shirttail Road to Colfax. Comment
  CAS-BOT-BC92556  Clematis ligusticifolia H. E. McMinn 18 Placer Tahoe. Comment
  CDA15319  Cleome serrulata R. Kerr 1998-9-16 s.n. Placer Sierra Nevada; Corner of Hwy 267 and Airport Rd. near Truckee. 1798 Comment
  SEINET3159399  Collinsia G. B. Grant 1906-1 6949 Placer about Lake Tahoe 2438 Comment
  UC138744  Collinsia heterophylla Anna King 1902-5-11 Placer Newcastle Comment
  JEPS59468  Collinsia parviflora Ezra Brainerd and Viola B. Baird 1915-7-10 206 Placer along Deer Park Rd Deer Park Rd; Sierra Nevada Mtns 1889 Comment
  RSA21254  Collinsia sparsiflora var. collina Carl B. Wolf 1937-3-30 8368 Placer Sacramento Valley, 6 miles N of Roseville on road to Lincoln. 49 Comment
  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
  POM147912  Collinsia tinctoria J. B. Feudge 1927-7-18 1764 Placer West of Emigrant Gap. 1524 Comment
  RSA780080  Collinsia torreyi Lyman Benson 1933-6-26 4528 Placer Cisco, U.S. 40; Sierra Nevada mtn range, Bear River watershed. 1829 Comment
  SEINET13406894  Collinsia torreyi var. wrightii A. A. Heller 1909-7-16 9855 Placer Summit. 2134 Comment
  JEPS127493  Collomia grandiflora Steve Matson 1998-5-27 304 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267. Comment
  RSA411137  Collomia grandiflora L. S. Rose 1937-7-29 37611 Placer Tahoe Vista 1905 Comment
  UCD33740  Collomia grandiflora Beecher Crampton 1972-7-26 8852 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCR229543  Collomia grandiflora George K. Helmkamp, E. A. Helmkamp 2011-7-26 17865 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  SBBG58196  Collomia heterophylla M. N. Ackley -Jun-1925 803 Placer Towle 1127 Comment
  UC1123648  Collomia heterophylla N. French 1934-6-15 413 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle Comment
  UC147635  Collomia heterophylla Harriet A. Walker 1908-6-23 1246 Placer Blue Canyon Comment
  JEPS127421  Collomia linearis Steve Matson 2003-6-29 819 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 500 yards north of Highway 257 and along Martis Creek. Comment
  UC879804  Collomia tinctoria Alice Eastwood Jun 15 1912-Jun 19 1912 459 Placer Tahoe City Lake Tahoe Region Comment
  UCD14367  Corallorhiza striata Sutton 1984-5-1 16 Placer 4 miles down Blue Canyon Road off of Highway 50. 1371 Comment
  UCD123107  Cordylanthus pilosus subsp. hansenii James D. Jokerst 1983-10-13 1922 Placer Canyon of the Middle Fork American Rier ca 600 feet above the river. Along road to Plumas Co Power Agency access road. Comment
  JEPS6795  Cordylanthus tenuis subsp. tenuis W. L. Jepson 1918-8-20 8075 Placer Lake Tahoe Tahoe City 1905 Comment
  JEPS88781  Cordylanthus tenuis subsp. tenuis T. I. Chuang and F. M. Chuang 1990-8-11 7820 Placer Gold Run Comment
  SEINET3246122  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, E. A. Helmkamp 2007-1 12629 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1743 Comment
  UCD80050  Coreopsis stillmanii CNPS SN Foothill Team 2005-3-12 Survey Placer Auburn State Recreation Area. Comment
  CAS-BOT-BC209871  Cornus nuttallii Saichi Kawahara 1969-5-25 895 Placer Mel Henderson Ranch, Indian Creek 1011 Comment
  UCD14940  Cornus nuttallii Mary Hill 1977-5-30 34 A Placer California, Placer Co.; 18 miles southeast from Foresthill along Mosquito Ridge Road; 1219 Comment
  UCD70596  Cornus nuttallii Martin J. Beran 1994-5-27 23 Placer Lang Crossing of HWY 20, South Fork of Yuba River; 20 m from river along dirt road; moist soil; with ferns, Calocedrus, Acer; tree, height 4-5 m, fls green, common. 1414 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
  CDA37454  Cornus sericea subsp. sericea Misty Hailstone 2011-10-3 s.n. Placer Tahoe City. Granlibakken Resort. Comment
  RSA394655  Cornus sessilis Fay A. MacFadden 1934-7-1 12719 Placer Canyon Creek - Dutch Flat. Comment
  UCD33845  Cornus sessilis Beecher Crampton 1973-10-2 9020 Placer Placer County, Baxter along Canyon Creek. 1219 Comment
  UCR146867  Cornus sessilis Beecher Crampton 1973-10-2 9020 Placer Sierra Nevada Mountains, Baxter along Canyon Creek 1220 Comment
  POM303027  Cornus stolonifera L. S. Rose 1944-7-22 44215 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  CHSC40042  Corydalis caseana subsp. caseana C. F. Sonne 1890-8-9 12 Placer Sierra Nevada Mountains. Shady Ravine on Truckee River. Comment
  UCD72956  Corydalis caseana subsp. caseana Albert Grigarick 2008-6-17 15 Placer Vicinity of Cabin Creek Rd., west of Hwy. 89, SE of Donner Lake. Driving directions: Int. 80 east to Hwy. 89 south to Cabin Creek Rd.; rt. turn on paved road and continue to 1st left turn on dirt road; stay left for 0.6 mi.; first turn off to left after crossing Cabin Crk. 1908 Comment
  CDA7481  Cota tinctoria T. C. Fuller 1965-8-1 13941 Placer Sierra Nevada; South side of north shore road just west of state line, Brockway. Comment
  JEPS111225  Crepis occidentalis Steve Matson 2005-7-3 1351 Placer Martis Valley, southeast of Truckee, National Recreation Area (Army Corps of Engineers), north of Highway 267 and west of Martis Creek. 39.3054 N, 120.1182 W; elevation 5835 ft. 1778 Comment
  CAS-BOT-BC290734  Crepis occidentalis subsp. conjuncta Alice Eastwood 1912-6-15 460 Placer Tahoe City, Lake Tahoe Region Comment
  POM17642  Crepis occidentalis subsp. conjuncta Marcus E. Jones 1882-6-30 2784 Placer Emigrant Gap. Comment
  CAS-BOT-BC376574  Crepis pleurocarpa D. L. Smith; G. L. Stebbins 1976-7-3 C 7671 Placer Big Crater, on northwest side of Ralston Ridge 1280 Comment
  CDA15957  Crepis pleurocarpa G. F. Hrusa, J. Glazner 1999-7-17 15143 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCR219648  Croton setiger George K. Helmkamp, E. A. Helmkamp 2010-6-26 16370 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UC1178528  Cryptantha echinella Malcolm A. Nobs 1950-9-24 Placer e slope Squaw Peak 1828 Comment
  CAS-BOT-BC218769  Cryptantha humilis C. F. Sonne 1885-6-21 248 Placer Mt. Head of Squaw Valley on Truckee River 2743 Comment
  UC193757  Cryptantha humilis C. F. Sonne 1885-6-21 Placer Squar Valley, on Truckee River Truckee River Comment
  UCD22124  Cryptantha simulans Rex Palmer 1979-6-21 N 381 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD75940  Cryptantha torreyana Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5179 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail by creek. 2145 Comment
  UC1046457  Cryptantha torreyana Rimo Bacigalupi and Lawrence Heckard 1951-8-9 3489 Placer 1.5 mi n Tahoe City (in canyon of Truckee River); Lake Tahoe Region, Truckee River 1828 Comment
  SEINET6429213  Cryptogramma acrostichoides M. J. Williams 1970-6-23 s.n. Placer [Sierra Nevada] Near Cisco Grove 1722 Comment
  UCR146848  Cuscuta brachycalyx Beecher Crampton 1977-7-2 9512 Placer Sierra Nevada Foothills, 3.5 miles northeast of Auburn, east of Elder's Corner on Dry Creek Road 412 Comment
  UC879491  Cuscuta californica P. A. Lebenbauer 1934-7-8 Placer Cisco 2133 Comment
  UCD22386  Cuscuta californica Beth Lowe Corbin 1982-8-17 358 Placer 2 2/3 miles WSW of The Cedars. NW facing slope, 15% incline. Full sun. Occasional. Rocky outcrop in montane chaparral. Stems pale orange, flowers white, anthers orange. 1938 Comment
  CAS-BOT-BC224542  Cuscuta californica John Thomas Howell 1929-10-4 4434 Placer Four miles below Colfax on road to Auburn Comment
  UCD60072  Cynodon dactylon Beecher Crampton 1965-9-13 7493 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  UCR253813  Cynodon dactylon George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20102 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  JEPS99470  Cynoglossum occidentale Steve Matson 1998-8-21 380 Placer Tahoe Vista, 200 m SW of western terminus of North Ave. Tahoe Basin, Snow Creek watershed Comment
  CAS-BOT-BC190357  Cynosurus echinatus Saichi Kawahara 1969-7-6 1415 Placer West of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  UCR193299  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2007-5-30 12185 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River 800 Comment
  SEINET7581784 Image available Cyperus esculentus Peter H. Raven 1954-8-27 7960 Placer Sierra Nevada, Penryn. Comment
  SDSU11702  Cyperus niger D. F Howe 1960-9-18 2973 Placer 4 miles north of Auburn, Place Co. 518 Comment
  UCD141135  Cyperus rotundus F. E. Kayo 1932-4-1 s.n. Placer Penryn. Comment
  UC615527  Cystopteris fragilis Beryl O. Schreiber 1934-7-4 1183 Placer 6 mi e Lookout 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
  CAS-BOT-BC445491  Damasonium californicum Carl B. Wolf 1937-5-12 8625 Placer Sacramento Valley, 1 mi. No. of Lincoln. 45 Comment
  SACT000889  Danthonia californica D. Meyer 1984-7-15 Placer Moist mountain meadow. 1909.0 Comment
  SACT000892  Danthonia californica var. americana Josephine Van Ess 1974-8-10 Placer Collected on the path to the Castle Creek, Old Soda Springs Road. North of Highway 80. 2085.0 Comment
  UCD60965  Danthonia californica var. americana B. Crampton 1955-7-13 2990 Placer U.S. Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  UCD32806  Danthonia unispicata Beecher Crampton 1964-7-21 7116 Placer Placer County, 1/2 mile W.N.W. of Cisco Grove, US Hwy. 40. Comment
  UCD61351  Danthonia unispicata Beecher Crampton 1964-7-21 7116 Placer 1/2 mile WNW of Cisco Grove, U.S. Hwy. 40. 1706 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
  CAS-BOT-BC8777  Delphinium gracilentum Carlton Elmer Purdy 1933-1-1 s.n. Placer Cisco Comment
  CAS-BOT-BC8780  Delphinium gracilentum George Ledyard Stebbins 1978-5-28 7892 Placer East end of Ralston Ridge 1554 Comment
  JEPS111252  Delphinium nuttallianum Steve Matson 2005-6-12 1265 Placer Martis Valley, ca 3 miles southeast of Truckee, west of Northstar golfcourse and north of subdivision; close to fenceline; 39.2944 N, 120.1240 W; Elevation 5880 ft. 1792 Comment
  UCD96103  Delphinium nuttallianum A. A. Heller 1909-7-16 s.n. Placer Summit. 2133 Comment
  CHSC1464  Delphinium variegatum subsp. variegatum 1914-4-1 Placer Near Lincoln. Comment
  UC112868  Dendromecon rigida Katharine Brandegee 1908-6-5 Placer between Gold Run and Colfax; Magra Comment
  UC118531  Dendromecon rigida Katharine Brandegee 1889-7-6 Placer Alta R. R. Embankment Comment
  UCD95155  Dendromecon rigida Rolf Y. Berg 1963-7-22 s.n. Placer On roadsides, U.S. Highway 40, ca. 2 miles above Colfax. 762 Comment
  OBI22301  Deschampsia cespitosa Robert F. Hoover 1967-9-7 10859 Placer Antone Meadow Comment
  SACT000906  Deschampsia cespitosa D. Meyer 1984-7-15 Placer 1909.0 Comment
  UCD42889  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 257 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43830  Deschampsia cespitosa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1196 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC198146  Deschampsia danthonioides L. R. Abrams 1935-4-20 13684 Placer Roseville, Sacramento Valley Comment
  CHSC96461  Deschampsia danthonioides Lowell Ahart; Brian Williams 2007-4-13 13668 Placer On the bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  SACT000913  Deschampsia danthonioides Michael Baad 1977-6-3 Placer Serpentine outcrop at Jeffery pine. 1.2 miles west of camp. 1219.2 Comment
  UCD22247  Deschampsia danthonioides Beth Lowe Corbin 1982-8-4 220 Placer 1/4 mile NW of Onion Creek Campground. SW facing slope, 15% inclination. Locally abundant. Full sun. Opening in montane chaparral in rocky, fine, sandy, granitic soil. Annual. 1950 Comment
  CAS-BOT-BC201877  Deschampsia elongata Geo. B. Grant 1906-7-15 s.n. Placer Tahoe Tavern, Lake Tahoe Comment
  SACT000945  Deschampsia elongata D. Meyer 1983-9-10 Placer Moist streambank and meadow. 1879.0 Comment
  SACT000950  Deschampsia elongata D. Meyer 1984-8-4 Placer Moist shady roadside. 1365.5 Comment
  SACT000953  Deschampsia elongata D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT000960  Deschampsia elongata D. Meyer 1984-6-23 Placer 17.12 km from I80 Frontage Road, dry roadside. 978.0 Comment
  UC1729992  Deschampsia elongata L. P. Janeway, Eric Schroder 1998-9-16 6339 Placer about 2.2 mi sw of Lake Tahoe (small meadow on n side of the creek about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  UCD43187  Deschampsia elongata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 556 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC39721  Descurainia Alice Eastwood 1912-6-15 494 Placer Lake Tahoe Region. Deer Park. Comment
  CAS-BOT-BC39744  Descurainia californica Margaret Williams 1974-8-8 74 -P1-19 Placer Sierra Nevada. Murphy's Meadow, 5 miles southeast of Hirschdale. 2316 Comment
  CHSC91782  Descurainia californica G. F. Hrusa; J. Glazner 2000-7-1 15618 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. [Lat./long. on label is '39 22 N; 120 15 W']. 1844 Comment
  CAS-BOT-BC43031  Descurainia incisa subsp. incisa A. A. Heller 1917-8-13 12911 Placer Near Summit hotel. 2133 Comment
  SD113852  Dicentra formosa Darley F. Howe 1948-5-22 1828 Placer 1219 Comment
  UC112921  Dicentra formosa Katharine Brandegee 1908-6-5 Placer near Gold Run Comment
  UC112922  Dicentra formosa Katharine Brandegee 1908-6-5 Placer near Gold Run Comment
  UCD33722  Dicentra formosa Beecher Crampton 1972-6-20 8825 Placer Upslope from Bear Valley, State Hwy. 20E. 1402 Comment
  SDSU7279  Dicentra formosa D. R. Harvey 1960-5-29 Placer Between Forest Hill & Colfax. Comment
  CAS-BOT-BC402585  Dicentra uniflora Gordon H. True 1965-5-18 1902 Placer Deer Creek trib. to Truckee River just north Squaw Valley 2133 Comment
  CAS-BOT-BC483625  Dichelostemma capitatum Kate E. Phelps 1937-5-28 s.n. Placer Applegate Comment
  RSA0035848  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20348 Placer Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 ) of Colfax 561 Comment
  SEINET8476446  Dichelostemma capitatum subsp. capitatum J. Elder 1961-3-18 s.n. Placer 5 miles SE of Auburn above American River. 366 Comment
  CAS-BOT-BC483254  Dichelostemma capitatum subsp. pauciflorum G. Earnhart 1961-3-18 3 Placer 2 1/2 miles east of Auburn , north fork of American River 396 Comment
  SD43598  Dichelostemma multiflorum Darley F. Howe 1948-5-23 1899 Placer No further locality information given on label. 456 Comment
  UCR193354  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-30 12181 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  UCR195170  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2007-5-18 12006 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  UCR198564  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2008-4-17 13293 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  JEPS73981  Digitaria sanguinalis Virginia Bufford 1932-9-9 508 Placer near Colfax; near Colfax Comment
  CAS-BOT-BC153786  Diplacus angustatus C. L. Hitchcock 1940-5-14 6397 Placer Meier Ranch, ca. 6 miles north of Colfax 762 Comment
  SEINET14640303  Diplacus kelloggii C. L. Hitchcock 1940-1 6406 Placer 6 mi N of Colfax 762 Comment
  CAS-BOT-BC153697  Diplacus mephiticus Mrs. Marian Campbell 1920-6-26 s.n. Placer Summit Comment
  CAS-BOT-BC151677  Diplacus torreyi Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  UCR235279  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2011-11-28 18480 Placer Sacramento Valley/Sierra Nevada Foothills, along CA-193 (Lincoln-Newcastle Hwy), 2.0 miles east of East Street in Lincoln, near Stagecoach Ln. 125 Comment
  SEINET8552891  Dodecatheon alpinum C. Troupe 1960-3-19 s.n. Placer North Fork American River, 3 miles S of Auburn. 396 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
  SEINET8561728  Dodecatheon hansenii J. Elder 1961-3-18 s.n. Placer 5 miles SE of Auburn. 366 Comment
  UC1123272  Dodecatheon hendersonii J. E. Sowder, R. W. Lundh 1933-4-19 48 Placer Colfax Hill Colfax Quad., Colfax Hill Comment
  SEINET8561789  Dodecatheon hendersonii J. Martin 1959-3-20 s.n. Placer 5 miles W of Colfax on Hwy 40, then 2 miles N on a secondary road, off E side of road. 366 Comment
  CHSC84568  Downingia bicornuta var. bicornuta John Dittes 2003-5-25 2003 -23 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In bed of vernal pool. 39 Comment
  JEPS103658  Downingia bicornuta var. picta Lisa Schultheis 1995-5-22 167 -95 Placer On the MacClelland Air Force Base Lincoln antennae site. W of Lincoln, on Moore Road between Dowd and Brewer Roads Comment
  JEPS108482  Downingia bicornuta var. picta Lisa Schultheis 1995-5-22 167 -95 Placer MacClellan Air Force Basee Lincoln antennae site. N of Sacramento. N of Moore Rd. and W of Dowd Rd. Comment
  OBI20963  Downingia ornatissima Carl B. Wolf 1937-5-12 8615 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  UCD55125  Downingia ornatissima Lynn Gould 1962-4-17 54 Placer 6 miles west of Roseville on P. F. E. Road. 25 Comment
  UC117690  Draba novolympica C. F. Sonne July 1892 Placer Tinker's Knob Sierra Nevada, Tinker's Knob 2743 Comment
  JEPS72293  Draba paysonii var. treleasei Gladys L. Smith, B. Wilson 1972-9-17 3604 Placer ridge nw Ward Peak; ridge nw of Ward Peak 2621 Comment
  CAS-BOT-BC41935  Draba reptans Marcus E. Jones 1882-4-29 s.n. Placer Emigrant Gap. Comment
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Sep 29 2017
  UC1124245  Draperia systyla G. T. Nordstrom 1934-6-19 112 Placer 0.5 mi NE mouth of Monumental Creek; Tahoe National Forest, Colfax Quad. 1463 Comment
  CAS-BOT-BC401540  Drosera rotundifolia L. S. Smith 1926-6-23 1978 Placer Tahoe National Forest. Squaw Valley Bog 1889 Comment
  UC1128185  Drymocallis glandulosa var. glandulosa N. French 1934-5-31 390 Placer 1 mi se Texas Hill; Tahoe National Forest, Colfax Quadrangle Comment
  SEINET6689834  Drymocallis glandulosa var. glandulosa K. Thorne, J. Chandler 1987-6-26 5416 Placer CA Hwy 27, 3.2 miles S of Brockway Summit. Comment
  CAS-BOT-BC527342  Drymocallis glandulosa var. reflexa A. A. Heller 1917-6-16 12681 Placer Near Dutch Flat 914 Comment
  UC70337  Drymocallis lactea C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  CAS-BOT-BC157897  Drymocallis lactea var. lactea John H. Thomas; Hazelle A. Thomas 1956-7-21 6113 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SEINET6691916  Drymocallis lactea var. lactea P. Lehenbauer 1932-6-26 s.n. Placer At origin of Truckee River, south side of Tahoe City Comment
  UCD54625  Dryopteris arguta Ellen Dean; John Downs, Brian Ludwig 2006-3-30 2832 Placer Along Secret Town Rd., near railroad overpass trestle, NW of Interstate-80. 914 Comment
  SEINET6409454  Dryopteris arguta H. N. Mozingo 75 -5 Placer 2 miles east of Auburn, middle fork of American River Comment
  UCD101885  Dudleya cymosa D. Finley 1998-5-24 5 - Placer 100 feet east of Confluence Brdige, Auburn Confluence State Recreation Area North Side of the road. 304 Comment
  SEINET5733104 Image available Dudleya cymosa John J. Geibel 1965-1 34 Placer Middle Fork of American River, ca. 13 miles east of Forest Hill.; Foresthill 488 Comment
  UCD149382  Dulichium arundinaceum G. Ledyard Stebbins 1969-7-20 6946 Placer South of North Fork of the American River. Sailor Meadow. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD98834  Dysphania pumilio A. M. Shapiro 1987-10-16 s.n. Placer Southern Pacific Right-of-way. 2103 Comment
  SEINET245838 Image available Echinochloa crus-galli Beecher Crampton 1965-9-13 7497 Placer Gold Run, Interstate Hwy. 80. 975 Comment
  UC838775  Eleocharis acicularis Ira L. Wiggins 1933-8-21 6787 Placer shores of lake near Tahoma; Lake Tahoe Comment
  CDA33192  Eleocharis acicularis G. D. Barbe 1977-7-2 Placer At water s edge, shallow arm of Martis Creek Lake, Day Use area, south of Truckee-Tahoe airport. Comment
  UCD43215  Eleocharis acicularis var. bella C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 584 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD49730  Eleocharis obtusa Ray Griffiths 1993-5-20 s.n. Placer California, Placer Co., sw of Lincoln approx. 2 mi. Vernal pool wet swale. Comment
  CAS-BOT-BC113159  Eleocharis palustris John Thomas Howell 1943-7-19 18565 Placer Summit Valley 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
  CAS-BOT-BC227122  Elymus John H. Thomas; Hazelle A. Thomas 1956-7-21 6104 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD61593  Elymus elymoides R. Tofsrud 1951-7-1 Placer Hwy 40, above Baxter, 3/4 mi. below drinking station. Comment
  SACT001072  Elymus elymoides subsp. californicus James Grove 1977-7-15 Placer 2000.0 Comment
  UCD44557  Elymus elymoides subsp. californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1923 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC70830  Elymus elymoides subsp. elymoides J. Burtt Davy Jun 25 1897-Jun 30 1897 3257 Placer near Truckee; Truckee River Basin Comment
  POM264449  Elymus glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  SACT001083  Elymus glaucus D. Meyer 1983-7-3 Placer 1152.0 Comment
  SACT001107  Elymus glaucus Michael Baad 1983-7-23 Placer 1828.0 Comment
  UCD62277  Elymus glaucus B. Bolt. 1934-7-3 74 Placer Top of Sawtooth Ridge, Colfax. 1219 Comment
  CHSC74338  Elymus glaucus subsp. glaucus Susi Urie; Eric Schroder 1998-9-8 98 -287 Placer Lake Tahoe Basin-National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  SEINET2473480 Image available Elymus glaucus subsp. glaucus George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-1 16436 Placer Sierra Nevada Mountains Foothills; Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 410 Comment
  UCD21597  Elymus glaucus subsp. glaucus E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1261 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  UCD43896  Elymus glaucus subsp. glaucus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1262 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCR229545  Elymus glaucus subsp. glaucus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17863 Placer Northern Sierra Nevada Mountains, Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  SACT001080  Elymus glaucus subsp. jepsonii D. Meyer 1983-7-24 Placer Moist, shady roadside. 1036.32 Comment
  UCD44477  Elymus glaucus subsp. jepsonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1843 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET12748558  Elymus glaucus var. glaucus C. Casebolt 1965-10-10 s.n. Placer Squaw Valley. 2134 Comment
  CAS-BOT-BC213844  Elymus sierrae A. A. Heller 1917-8-13 12919 Placer Ridge northwest of Donner Pass 2377 Comment
  SACT001149  Elymus sierrae James Grove 1977-7-15 Placer 2000.0 Comment
  UC33986  Elymus sierrae C. F. Sonne Sept. 1892 1 Placer mts. above Coldstream 2590 Comment
  CHSC67860  Elymus trachycaulus subsp. trachycaulus James D. Jokerst 1986-7-13 2709 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, stop along trail S of Middle Fork American River. Comment
  UCD62623  Elymus trachycaulus subsp. trachycaulus John Thomas Howell 1943-7-19 18578 -A Placer Summit Valley. Comment
  UCD150584  Epilobium James A. Neilson Jr. 1971-8-31 2586 Placer Tahoe Basin, South fork of Blackwood Creek. 2438 Comment
  OBI12060  Epilobium brachycarpum Robert F. Hoover 1967-9-5 10845 Placer Carnelian Bay, Lake Tahoe Comment
  UCR190657  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2007-5-23 12079 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  UCR200879  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2008-9-15 14097 Placer Foothills, northern Sierra Nevada Mountains, along Mosquito Ridge Road, 3.1 miles southeast of Forest Hill 773 Comment
  UCR253811  Epilobium brachycarpum George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20104 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  SCFS11529140  Epilobium canum subsp. angustifolium E. Krimmel, F. Felix 2012-9-13 Placer NFAm 2 mi downstream from Cedars. Dry, rocky slope. Comment
  CAS-BOT-BC171970  Epilobium canum subsp. latifolium A. A. Heller 1917-8-13 12899 Placer Base of a cliff north of Summit Hotel 2164 Comment
  CAS-BOT-BC171972  Epilobium canum subsp. latifolium G. W. Dunn 1895-9-1 s.n. Placer Summit Comment
  UC69563  Epilobium canum subsp. latifolium Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET12861983  Epilobium canum subsp. latifolium P. B. Kennedy 1901-1 278 Placer [Sierra Nevada] Summit of range between Devil's Cliff and Tinker's Knob. Comment
  UCD44687  Epilobium ciliatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2053 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD22094  Epilobium ciliatum subsp. ciliatum Rex Palmer 1979-7-26 N 870 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET12874268  Epilobium ciliatum subsp. ciliatum L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  SEINET12874313  Epilobium ciliatum subsp. ciliatum P. A. Lehenbauer 1932-8-28 s.n. Placer Cisco Camp Comment
  SEINET6635785 Image available Epilobium ciliatum subsp. glandulosum A. A. Heller 1919-7-25 13304 a Placer near Yuba River below Cisco 1676 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
  UCD163425  Epilobium cleistogamum Robert E. Preston 2015-5-29 3002 Placer 1.8 mi SE of Sheridan, 0.5 mi E of Old Hwy 65, 0.25 mi N of Yankee Slough. 33 Comment
  UCR202651  Epilobium densiflorum George K. Helmkamp 1999-6-29 5056 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
  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
  UCD21995  Epilobium glaberrimum Beth Lowe Corbin 1982-8-5 248 Placer Onion Creek campground. In wet soil along stream's edge. Flowers rose pink, petals bilobed. Full sun. SW facing slope, 15% incline. Occasional. 1841 Comment
  UC422954  Epilobium glaberrimum subsp. glaberrimum Miss Helen D. Geis Jun 1 1912-Jul 1 1912 130 a Placer Deer Park Comment
  CHSC74108  Epilobium hallianum Susi Urie 1998-8-11 98 -002 Placer Lake Tahoe Basin--National Forest. About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. Meadow stringer. 2097 Comment
  JEPS111287  Epilobium hallianum Steve Matson 2005-7-4 1375 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek and west of Northstar subdivision; along fenceline; 39.2866 N, 120.1401 W: elevation 5,900 ft. 1798 Comment
  POM46217  Epilobium hallianum Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UCD43290  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 658 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43332  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 700 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SD102800  Epilobium lactiflorum Darley F. Howe 1978-7-14 Placer Along state highway 20, 29 miles west of Truckee. 1646 Comment
  CDA16810  Epilobium obcordatum G. F. Hrusa, J. Glazner 2001-7-15 15949 Placer Sierra Nevada; Mats on rocky/gravelly talus slopes, subalpine zone near summit of Crows Nest Pk. immed. W of Sugarbowl. Common here, flrs magenta. 2377 Comment
  UC66584  Epilobium obcordatum P. B. Kennedy and S. B. Doten 1901-8-10 276 Placer near summit of Devils Cliff; Summit-Soda Springs Comment
  UCD21994  Epilobium obcordatum Beth Lowe Corbin 1982-8-4 243 Placer 1 1/2 miles north of Onion Creek campground. Flowers purple magenta. Stems purplish at base. Plant forming a mist over rocky, fine, sandy, granitic soil. Edge of loose talus slope, open White Fir forest. Mostly sun. East facing slope, 50% incline. Uncommon, 2 large mats present. 2255 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
  CDA40869  Epilobium torreyi D. Joley 1995-6-12 Placer Dry Creek Road, I-80 east of Auburn near Applegate. 0 Comment
  SCFS1225  Eremogone E. Krimmel 2013-6-2 Placer North Fork American River, top of Foresthill Road. Comment
  UCD22167  Eremogone kingii var. glabrescens Rex Palmer 1979-6-19 N 270 Placer Headwaters basin area of the North Fork of the American River Comment
  UC2046012  Ericameria bloomeri Stephen W. Edwards with Katie Colbert 2015-8-7 s.n. Placer Monumental Ridge. Comment
  UC1119826  Ericameria nauseosa N. French 1934-6-17 425 Placer Devils Peak Tahoe National Forest, Truckee Quadrangle, Devils Peak 2346 Comment
  UC1119825  Ericameria nauseosa var. speciosa G. F. Burks 1934-9-14 43 Placer Truckee River Tahoe National Forest, Truckee Quadrangle, Truckee River 1828 Comment
  UC894773  Ericameria nauseosa var. speciosa Lewis S. Rose 1938-9-14 38258 Placer Cisco South Fork of Yuba River 1615 Comment
  JEPS20180  Ericameria suffruticosa C. F. Sonne 1888-8-12 144 Placer Tinker's Knob Sierra Nevada Mountains, Tinker's Knob Comment
  CAS-BOT-BC293370  Erigeron Saichi Kawahara 1969-5-24 827 Placer On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  OBI20158  Erigeron aliceae David J. Keil 1978-7-23 12925 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  CAS-BOT-BC293592  Erigeron barbellulatus John Thomas Howell 1943-7-21 18666 Placer Mt. Lincoln Comment
  UC197372  Erigeron barbellulatus C. F. Sonne 1886-7-18 Placer Head of Canon on Truckee River Truckee River, Head of Canon Comment
  JEPS126380  Erigeron bloomeri var. bloomeri Steve Matson 2000-6-17 431 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267 near parking area and picnic site, 400 yards W of parking lot. Comment
  UC195716  Erigeron bloomeri var. bloomeri C. F. Sonne 1888-6-1 Placer near Truckee; Martis Valley Comment
  UC480761  Erigeron compositus W. C. Blasdale 1923-7-13 Placer top Ellis Peak; Lake Tahoe Region, Ellis Peak Comment
  CHSC74205  Erigeron coulteri Susie Urie; Eric Schroder 1998-9-8 98 -291 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
  UC71912  Erigeron coulteri C. J. Fox Jr. 1895-1-1 Placer Deer Park Inn Comment
  CAS-BOT-BC296816  Erigeron divergens Geo. B. Grant No date on label. 7069 Placer Tahoe Tavern 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
  UCR173770  Erigeron foliosus var. hartwegii George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10718 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  UCR218224  Erigeron foliosus var. hartwegii George K. Helmkamp, E. A. Helmkamp 2010-6-26 16413 Placer Sierra Nevada Mountains Foothills, Yankee Jims road along Brush Creek in Bunch Canyon, 2.8 miles southeast of its junction with Canyon Way, 2.75 mi. ENE (74 deg. ) of Applegate 476 Comment
  UCR218453  Erigeron foliosus var. hartwegii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16426 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road on the east side of Yankee Jims Bridge over the North Fork American River, 5 mi. SE (146 deg. ) of Colfax 282 Comment
  CAS-BOT-BC300667  Erigeron foliosus var. hartwegii A. A. Heller 1917-6-19 12749 Placer Between Lincoln and Newcastle Comment
  CAS-BOT-BC300820  Erigeron glacialis var. glacialis A. A. Heller 1917-8-13 12878 Placer Summit Valley 2118 Comment
  CAS-BOT-BC300822  Erigeron glacialis var. glacialis C. F. Sonne 1884-8-24 151 Placer Sierra Nevada Mts. Canyon above Coldstream Comment
  OBI16541  Erigeron inornatus Robert F. Hoover 1967-9-5 10831 Placer Carnelian Bay, Lake Tahoe Comment
  UCD83593  Erigeron inornatus Albert Grigarick 2009-8-7 162 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 2061 Comment
  RSA72862  Erigeron inornatus var. inornatus A. Kellogg, W. G. W. Harford 1868-1 170 Placer Cisco, Sierra Nevada Comment
  UCD132002  Erigeron inornatus var. inornatus G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12645 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  CAS-BOT-BC295527  Erigeron miser John H. Thomas; Hazelle A. Thomas 1956-7-21 6222 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CDA15677  Erigeron peregrinus G. F. Hrusa, J. Glazner 1999-7-18 15227 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  CDA16034  Erigeron peregrinus G. F. Hrusa, J. Glazner 2000-9-3 15679 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  POM260423  Eriodictyon californicum C. L. Hitchcock 1940-5-14 6376 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  JEPS126271  Eriogonum incanum Steve Matson 2004-7-31 1082 Placer nSNH; Tahoe Basin; west shore, Blackwood Canyon; about 1.4 miles ESE of Barker Pass. Comment
  SCFS1110  Eriogonum incanum E. Krimmel 2013-6-2 Placer Top of Foresthill road, near Am. River gorge overlook Comment
  UC1032296  Eriogonum luteolum var. pedunculatum B. Bolt 1934-7-22 159 Placer 1/2 mi s Chicken Hawk; Tahoe National Forest, Colfax Quadrangle 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
  CDA24997  Eriogonum nudum J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  UCD22130  Eriogonum nudum var. deductum Rex Palmer 1979-7-25 N 689 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR231841  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16788 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  CAS-BOT-BC264813  Eriogonum nudum var. deductum F. A. Mac Fadden 1934-7-1 12557 Placer Canyon Creek, Monte Vista Comment
  UCR231846  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2010-8-11 16757 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  UCR232648  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2011-9-30 18341 Placer Northern Sierra Nevada Mountains Foothills, Diggins Hill Road at the south side of the Bear River Reservoir, 1.1 miles north of Dutch Flat 852 Comment
  UCR240947  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19899 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  SD248478  Eriogonum nudum var. oblongifolium George K. Helmkamp, Elizabeth A. Helmkamp 2012-9-25 19916 Placer Northern Sierra Nevada Mountains: junction of Nyack Road and I-80 in the Emigrant Gap area (Blue Canyon 7.5'Q) 1652 Comment
  UCR215982  Eriogonum nudum var. oblongifolium George K. Helmkamp, Amy Barnes 2009-7-12 15182 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 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
  UCD21608  Eriogonum spergulinum E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1277 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
  UC565934  Eriogonum spergulinum var. reddingianum N. French 1934-6-22 474 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  UCD22125  Eriogonum umbellatum var. covillei Rex Palmer 1979-6-21 N 405 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC265152  Eriogonum umbellatum var. nevadense Lewis S. Rose 1938-9-14 38257 Placer South Fork of Yuba River, Cisco 1615 Comment
  CAS-BOT-BC265158  Eriogonum umbellatum var. nevadense John Thomas Howell 1943-7-26 18842 Placer Mt. Lincoln Comment
  SEINET9357592  Eriogonum umbellatum var. nevadense Unknown 1999-7-17 15183 Placer Martis Valley Comment
  UCD101380  Eriogonum umbellatum var. nevadense Tamara Kan 1992-7-25 s.n. Placer east slope of Silver Peak in open habitat. 2316 Comment
  UCD101502  Eriogonum umbellatum var. torreyanum Tamara Kan 1992-8-1 s.n. Placer on Mt. Disney, just inside boundary of Onion Creek Experimental Forest, at top of south east facing drainage. 2377 Comment
  POM105127  Eriogonum ursinum Marcus E. Jones 1882-06 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  CAS-BOT-BC262228  Eriogonum ursinum David D. Keck 1932-6-30 1576 Placer 1 mile E. of Cisco 1800 Comment
  UCR242366  Eriogonum ursinum var. ursinum George K. Helmkamp, E. A. Helmkamp 2010-7-28 16668 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  CAS-BOT-BC262325  Eriogonum vimineum D. L. Smith; G. L. Stebbins 1976-7-4 C 7687 Placer Southeast side of Ralston Ridge, sec 33 T14N R13E 1554 Comment
  CAS-BOT-BC205645  Eriogonum wrightii var. subscaposum James R. Shevock 1985-8-9 11333 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  CAS-BOT-BC261800  Eriogonum wrightii var. subscaposum F. A. M. 1934-8-10 12857 Placer Cisco Comment
  UCD159461  Eriophyllum lanatum D. S. Park 2010-8-11 215 Placer Along Old Auburn Forest Rd. Common. 344 Comment
  UCR231853  Eriophyllum lanatum var. croceum George K. Helmkamp, E. A. Helmkamp 2010-8-11 16767 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 3.7 miles north of Forest Hill Road 1140 Comment
  CAS-BOT-BC301407  Eriophyllum lanatum var. grandiflorum H. M. Hall 1916-6-3 10147 Placer Near Rocklin, (E. side Sacramento Valley) 121 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
  CAS-BOT-BC308247  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-7-4 8744 Placer South of snow shed at Cisco 1828 Comment
  JEPS59444  Eriophyllum lanatum var. integrifolium Ezra Brainerd and Viola B. Baird 1915-7-7 169 Placer Squaw Valley Sierra Nevada Mts., Squaw Valley Comment
  UCD132224  Eriophyllum lanatum var. integrifolium G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12631 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  JEPS113109  Erodium botrys Lowell Ahart, Brian Williams 2007-4-13 13648 Placer On damp granite soil, open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UC192993  Erodium brachycarpum C. F. Sonne 1891-4-5 Placer between Penryn and Rocklin Comment
  UCD103238  Erodium cicutarium Terri Williamson 1990-4-15 7 Placer 22587 Sunset Ridge Dr. Lake of the Pines. 365 Comment
  SEINET8566747  Erodium cicutarium C. Aarstad, H. Mozingo 1979-4-1 s.n. Placer 0.5 mile E of junction of old and new Auburn-Forest Hills Road. 792 Comment
  SD102837  Erysimum capitatum Darley Howe 1978-7-14 Placer Along state highway 20, ca. 29 miles west of Truckee 1645 Comment
  SEINET5342763  Erysimum capitatum L. Miller 1934-6-10 s.n. Placer Lake Tahoe, near Homewood. Comment
  UCR208278  Erysimum capitatum var. capitatum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14640 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  RSA121677  Erysimum capitatum var. perenne N. H. French 1934-6-22 445 Placer 7/8 mile W. of Dulzura Lake. 2287 Comment
  CAS-BOT-BC55093  Erysimum perenne Marcus E. Jones 1882-6-28 2620 Placer Emigrant Gap. Comment
  SD234525  Erythranthe guttata G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12183 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River. 800 Comment
  SEINET8399963  Erythranthe lewisii Unknown 1968-7-11 2135 Placer Tahoe National Forest, 3.3 miles northwest of Hwy. jct. Calif. 89 and 28 at Tahoe City, on Calif. 89, 3.2 miles west of Calif. Hwy. 89 Alpine Meadow. 2073 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
  CAS-BOT-BC153595  Erythranthe moniliformis F. Almeda 1993-7-24 7257 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CHSC74129  Erythranthe primuloides Susi Urie 1998-8-17 98 -045 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  SEINET8245400  Erythranthe tilingii Unknown \\N-\\N-\\N 2134 Placer Tahoe National Forest, 3.3 miles northwest of Hwy. jct. Calif. 89 and 28 at Tahoe City, on Calif. 89, 3.2 miles west of Calif. Hwy. 89. 2073 Comment
  SEINET10528796  Erythronium californicum Charles L. Hitchcock 1940-5-7 Hitchcock 6310 Placer ca 1 mile west of Baxter. Comment
  CAS-BOT-BC505235  Erythronium grandiflorum A. A. Heller 1917-6-17 12685 Placer Granite rocks near the Yuba river below Cisco 1676 Comment
  JEPS61870  Erythronium purpurascens L. S. Smith 1926-5-26 1867 Placer Tahoe Forest, Duncan Canyon 1676 Comment
  CAS-BOT-BC403342  Eschscholzia californica Alice Eastwood 1921-5-22 10585 Placer Between Lincoln and Sheridan Comment
  SEINET3411987 Image available Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2012-3-31 18645 Placer Sacramento Valley: along CA-193, 0.1 mile W of its junction with Sierra College Blvd. 88 Comment
  SEINET5339902  Eschscholzia californica D. A. Buck 1959-3-27 5 Placer Along highway 40 just north of Auburn. 411 Comment
  SEINET5339915  Eschscholzia californica L. Smith 1979-3-30 s.n. Placer 1 1/2 miles NE on Sisley Rd. off of Taylor Rd. in Penryn CA. Comment
  UC50565  Eschscholzia lobbii Mrs. Ames 1880-1 Placer Auburn Comment
  CAS-BOT-BC310374  Eucephalus breweri J. F. Emmel 1970-6-21 316 Placer Slope, 0.6 air mile s. of south end of Lake Mary, s. of Donner Pass 2286 Comment
  CAS-BOT-BC310376  Eucephalus breweri J. F. Emmel 1968-7-25 101 Placer North slope of Donner Peak 2286 Comment
  UCD131638  Eucephalus breweri Frederica Bowcutt 1994-7-22 1945 Placer Sierra Nevada Mountains, Tahoe Basin, Northshore between Truckee and Tahoe City, Squaw Valley ski resort. Near High Camp at pond construction site. 2438 Comment
  UCD43193  Eucephalus breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 562 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCR200857  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2008-9-15 14101 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  UCR229556  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2011-7-26 17901 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  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
  UCR241343  Eucephalus breweri George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19826 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.5 mile north of Robinson Flat Campground, c. 26 miles NE of Foresthill, Tahoe National Forest 2043 Comment
  POM260049  Euphorbia crenulata C. L. Hitchcock 1940-5-7 6307 Placer 1 mile west of Baxter. Comment
  SD240985  Euphorbia crenulata George K. Helmkamp, E. A. Helmkamp 2012-5-11 18943 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road (Foresthill 7.5'Q) 1103 Comment
  UCD34190  Euphorbia ocellata subsp. ocellata Beecher Crampton 1977-10-2 9540 Placer 3.5 miles N. of Auburn, east of Elder's Corners on Dry Creek Road. Comment
  JEPS126424  Eurybia integrifolia Steve Matson 2002-7-14 571 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards west of Northstar homes (Bosque Drive), along TMT trail heading west to Lookout Mountain Creek. Comment
  UCD21697  Eurybia integrifolia Beth Lowe Corbin 1982-8-23 405 Placer 2 miles WSW of The Cedars. In fine, sandy, rocky soil. Open, logged White Fir forest. Rays purple, disc yellow. Mostly sun. North facing slope, 40% incline. Occasional. 1981 Comment
  SEINET3141531  Eurybia integrifolia L. S. Rose 1938-9-14 38264 Placer S fork of Yuba Rv., 3 mi. E of Cisco 1737 Comment
  UCSC000036  Festuca elmeri Gray unknown s.n. Placer Cisco - Pacific Slope Comment
  UC1131986  Festuca occidentalis G. T. Nordstrom 1934-6-19 119 Placer 0.5 mi ne Mouth of Monumental Creek; Tahoe National Forest, Colfax Quad. 1463 Comment
  SACT001176  Festuca pratensis D. Meyer 1983-7-16 Placer 1624.0 Comment
  SACT001181  Festuca pratensis D. Meyer 1983-7-30 Placer Roadside 1842.0 Comment
  CHSC72898  Festuca rubra L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5772 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC74341  Festuca rubra Susi Urie 1998-9-1 98 -190 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
  SACT001190  Festuca rubra D. Meyer 1984-7-29 Placer Road south of reservoir moist shady north-facing slope. 1612.0 Comment
  SACT001193  Festuca rubra D. Meyer 1983-8-7 Placer 4.6 miles south of county line. Roadside. 1758.0 Comment
  SACT001207  Festuca viridula Michael Baad 1983-9-3 Placer From Sprite Inn to western slope of Mountain Judah near summit. 2286.0 Comment
  SEINET239050 Image available Festuca viridula G. K. Helmkamp, E. A. Helmkamp 1999-6-30 5097 Placer Northern Sierra Nevadas: Soda Springs Road .9 miles south of Donner Pass Road approaching Ice Lakes. 2104 Comment
  UC147587  Floerkea proserpinacoides Miss Harriet A. Walker 1908-6-26 1314 Placer Cisco 1810 Comment
  UCD44003  Fragaria virginiana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1369 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UC481571  Fragaria virginiana subsp. platypetala G. W. Fetters 1929-6-16 Placer Pomin's Pomin's, Lake Tahoe; Lake Tahoe Comment
  UCD113129  Frangula rubra G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12068 Placer Nothern Sierra Nevada Mountains; Sugar Pine Road, 0.2 mile northwest of Forest Hill Road. 1360 Comment
  RSA21255  Fritillaria agrestis Carl B. Wolf 1937-3-30 8369 Placer Sacramento Valley, 6 miles N of Roseville on road to Lincoln. 49 Comment
  UCD139655  Fritillaria agrestis Lynn Gould 1962-3-31 15 Placer 2 miles west of Roseville on Central Avenue. Comment
  CAS-BOT-BC504550  Fritillaria atropurpurea Alice Eastwood 1912-6-15 407 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC504552  Fritillaria atropurpurea Alice Eastwood 1909-1-1 s.n. Placer Sunnyside, Lake Tahoe region Comment
  CDA17001  Fritillaria micrantha G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16054 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  UCD58754  Fritillaria micrantha A. M. Shapiro 2007-4-30 s.n. Placer Drum Powerhouse Road (near Alta). 1005 Comment
  SEINET8478947  Fritillaria phaeanthera Killinger 1962-3-17 s.n. Placer 3 miles E of Auburn, North Fork American River. Comment
  SEINET11587297  Galium aparine C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer 792 Comment
  UCR250272  Galium aparine George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20335 Placer Northern Sierra Nevada Mountains Foothills, Cramer Road at the junction with CA-49, north of Auburn 412 Comment
  UCR176261  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2006-8-11 11214 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  RSA39976  Galium grayanum var. grayanum J. T. Howell 1943-7-26 18840 Placer Mt. Lincoln. Comment
  UCD121868  Galium parisiense B. Crampton 1955-6-15 2917 Placer 8 miles west of Forest Hill. Comment
  UCR190846  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2007-5-23 12064 Placer Northern Sierra Nevada Mountains, Humbug Canyon Road, 0.2 mile northwest of Forest Hill Road, generally southwest of Westville 1576 Comment
  SEINET4691689  Galium sparsiflorum subsp. sparsiflorum George K. Helmkamp, E. A. Helmkamp 2010-1 16781 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing. 1552 Comment
  SBBG7322  Galium trifidum E. R. Blakley 1960-9-3 3815 Placer King's Beach, Lake Tahoe 1903 Comment
  CHSC74257  Galium trifidum var. pacificum Susi Urie; Eric Schroder 1998-9-11 98 -348 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  CHSC74262  Galium triflorum Susi Urie; Eric Schroder 1998-9-12 98 -365 Placer Meadow complex on south side of Ward Creek about 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  UCD22294  Galium triflorum Beth Lowe Corbin 1982-8-3 201 Placer Hill west of Onion Creek Campground. SW facing slope. Partial sun. Uncommon. In deep conifer duff over fine, sandy, granitic soil of white fir forest. Perennial from underground rootstock. Stems weak, decumbent. 1853 Comment
  OBI58654  Gamochaeta coarctata David J. Keil, with Kathleen A. Keil 1999-7-17 28376 Placer Along N Fork of Cosumnes River at Little Canyon Road ford. 457 Comment
  CAS-BOT-BC178547  Garrya flavescens C. Hart Merriam 1911-11-5 s.n. Placer Gorge Station C.P.R.R., west slope Sierra Nevada 1219 Comment
  CAS-BOT-BC56287  Gaultheria ovatifolia G. L. Stebbins 1968-6-20 6725 Placer Placer County Big Trees Reserve 1584 Comment
  CAS-BOT-BC478500  Gayophytum John H. and Hazelle A. Thomas 1956-7-21 6162 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SCFS1151  Gayophytum E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  UCR240944  Gayophytum George K. Helmkamp, E. A. Helmkamp 2012-9-25 19896 Placer Northern Sierra Nevada Mountains, junction of Blue Canyon Road and Putt Road, just south of I-80, west of Emigrant Gap 1634 Comment
  SEINET9363688  Gayophytum diffusum Unknown 1999-7-17 15125 Placer Martis Valley Comment
  CDA25025  Gayophytum diffusum subsp. parviflorum J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD22095  Gayophytum diffusum subsp. parviflorum Rex Palmer 1979-6-19 N 235 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR170805  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2005-9-30 9949 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  RSA462366  Gayophytum diffusum subsp. parviflorum Wm. Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  RSA39938  Gayophytum heterozygum J. T. Howell 1943-7-25 18807 Placer West side of Donner Pass near Norden 2134 Comment
  UCD150711  Gayophytum ramosissimum James A. Neilson Jr. 1970-1 1936 Placer Tahoe Basin, Lower Ward Creek. 2011 Comment
  UC22750  Gentiana calycosa C. F. Sonne 1887-8-7 Placer mtns above Coldstream; Sierra Nevada Mountains Comment
  RSA201910  Gentiana simplex Rowena Beans 1914-9-7 s.n. Placer Lake Tahoe, west of Lavern two miles. Comment
  UCD150769  Gentianopsis simplex James A. Neilson Jr. 1971-8-31 2564 Placer Tahoe Basin, top of Buck Lake. 2255 Comment
  UCD103424  Geranium molle G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11706 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  JEPS59482  Geranium richardsonii Ezra Brainerd and Viola B. Baird 1915-7-12 228 Placer Donner Lake Sierra Nevada Mountains 1828 Comment
  UCD42916  Geum macrophyllum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 284 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  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
  JEPS71885  Geum triflorum Gladys L. Smith 1972-6-20 3220 Placer Ward Peak, from chairlift terminus to ultimate summit peak Ward Peak 2632 Comment
  JEPS111132  Gilia capillaris Steve Matson 2005-6-11 1261 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
  CHSC83145  Gilia capitata Renee Shahrok 1986-6-24 16 Placer Junction of Old Foresthill Rd. and Hwy 49. 195 Comment
  UCR207858  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2009-4-22 14563 Placer Sierra Nevada Mountains Foothills, Forest Hill Road 1.9 mile east of its junction with CA-49 and the North and Middle Forks of the American River 399 Comment
  UCR120501  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5036 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  RSA261417  Githopsis specularioides Erika Aschmann 1974-5-25 22 Placer 8.7 miles W of Placer County Big Tree Grove on Mosquito Ridge Road, Tahoe National Forest. Comment
  RSA726430  Glinus lotoides L. Ahart 2007-11-13 14594 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 air miles northeast of Sheridan. 74 Comment
  JEPS103581  Glyceria borealis Lowell Ahart 2002-7-22 9907 Placer In a small lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1773 Comment
  CHSC74166  Glyceria elata Susi Urie 1998-8-13 98 -034 Placer Lake Tahoe Basin-National Forest. Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD22251  Glyceria elata Beth Lowe Corbin 1982-8-19 390 Placer 1 mile SSW of The Cedars. NW facing slope, 20% incline. Common. Mostly sun. Meadow in logged white fir forest. Perennial, culms 1 m tall. 1813 Comment
  SACT001276  Glyceria striata Michael Baad 1983-7-10 Placer 6.1 miles south of townsite, open wet meadow. 1524.0 Comment
  UCD22252  Glyceria striata Rex Palmer 1979-7-26 N 850 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA757090  Gnaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2009-7-16 15199 Placer Foresthill Road, 20.3 miles northeast of the city of Foresthill. 1704 Comment
  CAS-BOT-BC307368  Gnaphalium palustre Katharine Brandegee 1917-8-1 s.n. Placer Cisco Comment
  CDA15920  Gnaphalium palustre G. F. Hrusa, J. Glazner 1999-7-17 15184 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CHSC74206  Gnaphalium palustre Susie Urie; Eric Schroder 1998-9-8 98 -297 Placer Lake Tahoe Basin--National Forest. Meadow complex on the north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CHSC81759  Gnaphalium palustre Lowell Ahart 2001-10-10 9340 Placer French Meadows Reservoir, near the boat of trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  JEPS103407  Gnaphalium palustre Lowell Ahart 2002-7-22 9877 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
  UC581141  Gnaphalium palustre H. L. Mason 1932-9-9 77175 Placer Cisco 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
  CDA39513  Goodyera oblongifolia G. D. Barbe 1975-9-18 2068 Placer Emigrant Gap Road, 0.3 mile west of I-80 off-ramp. Comment
  CHSC116935  Gratiola M. Ocken; A. Centrae 2011-4-23 Placer Two miles north of the city of Lincoln, off Hwy 62. 45 Comment
  CAS-BOT-BC314602  Grindelia hirsutula Saichi Kawahara 1969-5-25 1030 Placer Nigger George Ravine, near BM 2393, Colfax - Iowa Hill Road 729 Comment
  JEPS41903  Grindelia hirsutula W. H. Shockley Jun 1886 Placer Auburn Comment
  UCR201520  Grindelia squarrosa var. serrulata George K. Helmkamp, E. A. Helmkamp 2008-8-20 14015 Placer Northern Sierra Nevada Mountains, Rainbow exit south from US-80 and east of Big Bend, adjacent to the South Yuba River 1811 Comment
  UCR111004  Hackelia George K. Helmkamp, E. A. Helmkamp 1999-6-30 5109 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  SEINET12618563  Hackelia nervosa I. R. Miller 1934-5-20 s.n. Placer Lake Tahoe, near Homewood. Comment
  CAS-BOT-BC306526  Helenium bigelovii Brandegee No date on label s.n. Placer Cisco Comment
  UC88866  Helianthella californica subsp. nevadensis unknown 1888-9-1 Placer Blue Canyon Comment
  CAS-BOT-BC314973  Hemizonella minima Miss. H. A. Walker 1910-6-1 2036 Placer Deer Park Comment
  UCD21781  Hemizonella minima Rex Plamer 1979-6-8 N 124 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD44454  Heracleum maximum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1820 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  POM65409  Hesperochiron californicus Carlotta C. Hall 1910-7-8 8747 Placer South fork of Yuba Canyon, about 17 km east of Cisco. 1920 Comment
  UC112844  Hesperochiron californicus Katharine Brandegee July 1908 Placer banks of Yuba R. a mile or so above Cisco; Yuba R. Comment
  JEPS71648  Hesperochiron pumilus Gladys L. Smith 1972-6-18 3158 Placer Alpine Meadows 2072 Comment
  JEPS71479  Hesperochiron pumilus Gladys L. Smith 1972-6-21 3277 Placer Alpine Meadows 2072 Comment
  SEINET4691682  Hesperolinon micranthum George K. Helmkamp, E. A. Helmkamp 2010-1 16760 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek. 1082 Comment
  HSC27261  Heteromeles arbutifolia J. P. Smith 1972-3-22 5093 Placer Bridge over N Fork of American River. Comment
  UCD40878  Heuchera micrantha var. erubescens Bif Soper 1983-5-28 15 Placer 13.5 miles from Forest Hill on Mosquito Ridge Road. 1066 Comment
  UCD22321  Heuchera rubescens Rex Palmer 1979-6-19 N 323 Placer Headwaters basin area of the North Fork of the American River Comment
  UC66411  Heuchera rubescens var. glandulosa P. B. Kennedy and S. B. Doten 1901-8-10 270 Placer Devil's Cliff Soda Springs Comment
  POM360441  Hieracium albiflorum Fay A. MacFadden 1934-8-10 12830 Placer Cisco Comment
  UC481030  Hieracium albiflorum R. L. Pendleton and F. M. Reed 1907-7-28 1304 Placer Tahoe Tavern Lake Tahoe Region 1898 Comment
  UCD132315  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD132316  Hieracium albiflorum Rex Palmer 1979-1 N 890 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD74042  Hieracium albiflorum Jennifer W. Burt 2005-7-12 113 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from coniferous forest near abandoned ski runs. 1974 Comment
  UCR250140  Hieracium albiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20812 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  JEPS59488  Hieracium albiflorum Ezra Brainerd and Viola B. Baird 1915-7-19 240 Placer on trip to The Craggs; Sierra Nevada Mountains, Deerp Park 2133 Comment
  UCD133107  Hieracium argutum G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11207 Placer Northern Sierra Nevada Mountain. Along the road to Clementine Lake, 0.8 mile north of Forest Hill road. 422 Comment
  UCR176266  Hieracium scouleri George K. Helmkamp, E. A. Helmkamp 2006-8-11 11207 Placer Northern Sierra Nevada Mtns foothills, along the road to Clementine Lake, 0.8 mile north of Forest Hill Rd 422 Comment
  SACT001290  Holcus lanatus D. Meyer 1984-6-23 Placer Collected along Placer/Nevada County line. Shady moist soil next to concrete river bypass canal. 594.0 Comment
  CAS-BOT-BC320307  Holocarpha virgata A. A. Heller 1915-9-12 12276 Placer Near Roseville Comment
  CAS-BOT-BC150013  Holodiscus discolor var. discolor John H. Thomas; Hazelle A. Thomas 1956-7-21 6194 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SACT001317  Hordeum brachyantherum Michael Baad 1983-7-23 Placer .25 mile west of US Highway 89, boggy meadows along road. 1828.8 Comment
  UCD43368  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 736 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43920  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1286 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD85460  Hordeum brachyantherum L. S. Smith 1931-7-24 s.n. Placer Marlette Lake east of Lake Tahoe. 2438 Comment
  SACT001322  Hordeum californicum Josephine Van Ess 1980-6-20 Placer Collected on south side of road east of parkingarea about 1.25 mile east of highway. 4146.0 Comment
  SACT001335  Hordeum geniculatum Michael Baad 1977-6-3 Placer Collected in camp, serpentine outcrop at Jeffery Pine. 1219.0 Comment
  SACT001340  Hordeum geniculatum D. Meyer 1983-7-3 Placer 1152.0 Comment
  SACT001343  Hordeum hystrix Josephine Van Ess 1976-4-26 Placer Collected near top of first hill. 91.5 Comment
  SACT001365  Hordeum leporinum Josephine Van Ess 1976-4-14 Placer Collected on railroad embankment neer Clark Tunnel Road. North of Penryn and at roadside. Dry roadside. 152.4 Comment
  SACT001367  Hordeum leporinum Josephine Van Ess 1984-5-6 Placer on Garden Bar Road. Riparian habitat. 182.0 Comment
  SACT001373  Hordeum leporinum D. Meyer 1984-6-10 Placer 606.0 Comment
  SACT001382  Hordeum leporinum D. Meyer 1984-5-6 Placer 145.5 Comment
  CAS-BOT-BC285073  Hordeum marinum subsp. gussoneanum John Thomas Howell; Gordon H. True 1971-5-26 47618 Placer Northern limits of Lincoln 48 Comment
  UC1132516  Hordeum marinum subsp. gussoneanum N. French 1933-5-5 43 Placer sw Rattlesnake Bridge; Sacramento Quad. Comment
  UCR172651  Hordeum murinum subsp. leporinum George K. Helmkamp, Elizabeth Helmkamp 2006-4-13 10196 Placer Northern Sierra Nevada Foothills, Forest Hill Road, 2.5 mi east of its junction with Calif. Hwy 49. North side of the middle fork of the American River, NE of Auburn 274 Comment
  UC329974  Horkelia fusca subsp. parviflora Lemmon May 1889 Placer Tahoe Lake Valley Comment
  CAS-BOT-BC537867  Horkelia fusca var. parviflora Lewis S. Rose 1963-7-11 63211 Placer Tahoma, Lake Tahoe 1915 Comment
  NY436045  Horkelia sericoleuca C. F. Sonne 06 1888 353 Placer Marles [sp?] Creek Valley. Comment
  UCD38506  Horkelia tridentata Beecher Crampton 1955-7-13 3001 Placer Mountain flats and slopes along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  RSA121096  Horkelia tridentata N. H. French 1934-5-24 359 Placer N Fork, N Fork American River, Colfax 1341 Comment
  UCD39145  Horkelia tridentata Beecher Crampton 1964-7-21 7114 Placer US Hwy. 40. Western slope below Blue Canyon weather station. 1524 Comment
  CAS-BOT-BC537950  Horkelia tridentata var. tridentata H. D. Ripley; R. C. Barneby 1948-7-13 9819 Placer SW. of Emigrant Gap 1676 Comment
  CAS-BOT-BC537973  Horkelia tridentata var. tridentata Clare B. Hardham 1961-6-14 7366 Placer Baxter Rte 40 Comment
  JEPS71482  Hydrophyllum capitatum var. alpinum Gladys L. Smith 1972-6-18 3165 Placer Alpine Meadows 2072 Comment
  UCD22028  Hydrophyllum capitatum var. alpinum Rex Palmer 1979-6-9 N 169 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC880777  Hydrophyllum occidentale C. L. Hitchcock 1940-5-7 6317 Placer ca 1 mi w Baxter Comment
  CHSC74677  Hypericum anagalloides Susi Urie; Eric Schroder 1998-9-11 98 -336 Placer Lake Tahoe Basin Management Unit - National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UC303559  Hypericum concinnum unknown Aug. 1894 Placer Auburn Comment
  UCD110359  Hypericum concinnum John R. Davey 1966-5-14 33 Placer ca. 3 miles south of U.S. Highway 40 and 4 miles southwest of Colfax. 609 Comment
  UCD35243  Hypericum mutilum subsp. mutilum Beecher Crampton 1952-11-9 925 Placer 6 miles east of Auburn. 457 Comment
  RSA458263  Hypericum perforatum Wm. Martin 1971-9-10 20246 Placer 1 mile north of Gold Run on Hwy. 80 991 Comment
  SD50718  Hypericum perforatum Darley F. Howe 1959-8-1 2771 Placer 2.0 miles north of Auburn. 456 Comment
  SDSU6905  Hypericum perforatum D. F. Howe 1959-8-1 2771 Placer 4 miles north of Auburn. 457 Comment
  CAS-BOT-BC401266  Hypericum perforatum Marcus E. Jones 1930-7-11 s.n. Placer Auburn Comment
  CDA5081  Hypericum perforatum T. C. Fuller 1964-6-26 12253 Placer Sierra Nevada; North side of freeway, Interstate 80, to Donner Summit, 0.2 miles west of Gold Run. Comment
  UCD39144  Hypericum perforatum subsp. perforatum Beecher Crampton 1964-7-21 7124 Placer 1 mile east of Cisco Grove (old site), old portion US Hwy. 40. 1737 Comment
  CAS-BOT-BC401315  Hypericum scouleri Geo. B. Grant 1906-7-15 6995 Placer Tahoe Tavern, Lake Tahoe Comment
  SEINET3167476  Hypochaeris glabra R. W. Spellenberg, N. Zucker 2010-4-16 14154 Placer N edge of Lincoln along Hwy. 65 45 Comment
  SEINET3402348  Hypochaeris glabra R. W. Spellenberg, N. Zucker 2011-4-15 14277 Placer NE corner of 7th St, and CA Hwy 65 in Lincoln, ca. 40 air km NE of Sacramento. W edge of graveled Gladden McBean parking lot. 50 Comment
  CDA36756  Hypochaeris radicata D. B. Joley 1976-4-22 15 Placer Loomis area, Butterfield s. 0 Comment
  UCSB16090  Ipomopsis aggregata subsp. aggregata Breedlove, Dennis 1962-6-13 Placer Western bank of Lake Tahoe along State Highway 89, 8.3 miles south of Tahoe City; Sierra Nevada 1889 Comment
  POM319890  Ipomopsis aggregata subsp. formosissima Barbara Shervanick 1972-06 635 Placer Devil's peak, Sierra Nevada, Rubion River drainage area 1616 Comment
  RSA35126  Ipomopsis aggregata subsp. formosissima L. S. Rose 1944-7-10 44048 Placer Chambers lodge, Lake Tahoe. 1921 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
  UCR241355  Ipomopsis aggregata subsp. formosissima George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19820 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.7 mile north of Robinson Flat Campground, about 26 miles northeast of Foresthill, Tahoe National Forest 2034 Comment
  JEPS59447  Ipomopsis congesta Ezra Brainerd and Viola B. Baird 1915-7-19 174 Placer above Deer Park (summit of the Craggs); Sierra Nevada 2514 Comment
  CAS-BOT-BC133609  Iris hartwegii Kate E. Phelps 1937-5-28 s.n. Placer Applegate Comment
  SBBG29834  Iris hartwegii C. L. Hitchcock 1940-5-7 6329 Placer 1 mi W of Baxter Comment
  SEINET9355646  Iris hartwegii Unknown 2009-5-11 14653 Placer Sierra Nevada Mountains Foothills Comment
  SD62133  Iris hartwegii Darley F. Howe 1965-5-20 Placer Canyon on south side of American River, near Yankee Jims. 914 Comment
  SEINET8752696  Iris hartwegii D. T. Erskire 1941-4-25 2 Placer Bear River Canyon 1067 Comment
  UCR208586  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2009-5-11 14653 Placer Sierra Nevada Mountains Foothills, along Forest Hill Road, 2.5 miles northeast of Foresthill 1073 Comment
  UC614450  Iris tenuissima L. Constance, J. L. Morrison 1938-4-30 2173 Placer edge of Applegate (Sierra Nevada foothills); Sierra Nevada 609 Comment
  SEINET11261550  Iris tenuissima subsp. purdyiformis George Helmkamp, E. A. Helmkamp 2012-5-5 18913 Placer Northern Sierra Nevada Mountains Foothills on Lake Clementine Road, 1.2 miles W of the junction with Foresthill Road. 0.3 air miles SE (123 degrees) of Clementine Dam on the American River.; 0 396 Comment
  CAS-BOT-BC324810  Iva axillaris Peter H. Raven 1956-8-4 9978 Placer Blue Canyon, Sierra Nevada 1432 Comment
  SACT002749  Juglans hindsii Josephine Van Ess 1977-4-29 Placer Collected north of PFE Road. Old tree on which root stock has taken over. 27.4 Comment
  CAS-BOT-BC109965  Juncus Catherine Best 1981-8-1 s.n. Placer Sierra Nevada. Big Meadow, about 3 miles south of French Meadows. 1600 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
  UC1100933  Juncus balticus Malcolm A. Nobs and S. Galen Smith 1949-8-21 1503 Placer n end Lake Tahoe (between Sandy Beach and Agate Bay) Comment
  CHSC96501  Juncus capitatus Lowell Ahart; Brian Williams 2007-4-13 13658 Placer On damp granite soil, on the 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
  UC143805  Juncus chlorocephalus A. A. Heller 1903-8-17 7178 Placer above Donner; Donner Pass 2529 Comment
  JEPS49025  Juncus chlorocephalus Leland S. Smith 1927-8-15 2253 Placer n of Donner Summit 2200 Comment
Read comments
Dec 13 2006
  CHSC89803  Juncus covillei G. F. Hrusa; J. Glazner 2000-7-1 15597 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. [Lat./long. on label is '39 22 N; 120 15 W']. 1844 Comment
  CAS-BOT-BC176394  Juncus effusus Peter Rubtzoff 1979-8-31 9419 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass quadrangle, 15 minute series). At Serene Lakes Lodge. Comment
  RSA783468  Juncus effusus Peter Rubtzoff 1979-8-31 9419 Placer The southern lake of Serene Lakes (Ice Lakes on 1955 Donner Pass 15 quad). At Serene Lakes Lodge Comment
  UCD162590  Juncus ensifolius Steve Matson 2002-8-17 701 Placer nSNH; Tahoe north shore; Burton Creek watershed, near Tahoe City and North Tahoe High School. 2011 Comment
  UC1133684  Juncus nevadensis N. French 1934-6-18 418 Placer Lock Leven Lakes Tahoe National Forest, Truckee Quad. 2164 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
  UCD162582  Juncus nevadensis var. nevadensis Steve Matson 2002-8-4 666 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; 100 meters north of pond. 1908 Comment
  UCD162588  Juncus nevadensis var. nevadensis Steve Matson 2002-8-17 699 Placer nSNH; Tahoe north shore; Burton Creek watershed, near Tahoe City and North Tahoe High School. 2011 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
  CDA18019  Juncus tenuis D. Mutani 1999-4-23 PDR 1223633 B Placer Sailor-Ravine Rd., Auburn. 0 Comment
  JEPS46586  Juniperus californica Harriet P. Kelley 1914-7-14 Placer rocky hill side above Yuba River; Cisco Comment
  UCD75756  Juniperus occidentalis var. australis Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5224 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2284 Comment
  SEINET11056450  Juniperus occidentalis var. occidentalis P. A. Lehenbauer 1937-9-5 s.n. Placer Cisco. Comment
  UC480736  Kalmia polifolia subsp. microphylla W. C. Blasdale 1923-7-15 Placer Ellis Peak; Lake Tahoe Region, Ellis Peak Comment
  CAS-BOT-BC235567  Keckiella breviflora L. S. Smith 1926-5-23 1830 Placer Tahoe National Forest, American River slopes, below Forest Hill 548 Comment
  RSA0037372  Keckiella breviflora subsp. breviflora George K. Helmkamp, Mary Alice Barnes 2013-5-3 20503 Placer Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 ) of Forest Hill 422 Comment
  UCR250084  Keckiella breviflora subsp. breviflora George K. Helmkamp, Mary Alice Barnes 2013-5-3 20503 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
  NY790327  Keckiella lemmonii C. F. Sonne 1896-8-8 s.n. Placer On road to Tahoe Comment
  SCFS1152  Keckiella lemmonii E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  RSA121077  Kelloggia galioides B. Bolt 1934-7-19 152 Placer 1 mile S of Whiskey Hill. 1646 Comment
  RSA447635  Kelloggia galioides Fay A. MacFadden 1934-7-9 12732 Placer Emigrant Gap. Comment
  UCD22295  Kelloggia galioides Rex Palmer 1979-7-26 N 893 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR215979  Kelloggia galioides George K. Helmkamp, Amy Barnes 2009-7-12 15173 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  SACT001427  Koeleria phleoides Josephine Van Ess 1980-4-23 Placer Collected at intersection with Taylor Road. Weedy area, near building. 121.9 Comment
  JEPS13530  Kopsiopsis strobilacea Louise Delins 1933-5-21 Placer Gold Run Comment
  CAS-BOT-BC341353  Lagophylla glandulosa David D. Keck 1933-6-1 2437 Placer South of Roseville, near Sacramento County--Placer County line Comment
  SD53146  Lagophylla glandulosa Darley F. Howe 1962-8-10 3419 Placer 4.0 miles north of Auburn. 550 Comment
  CAS-BOT-BC341355  Lagophylla glandulosa David D. Keck 1932-6-30 1587 Placer 0.3 miles N. of Weimar P.O. 685 Comment
  UCR249935  Lamium purpureum George K. Helmkamp, Elizabeth Helmkamp 2013-4-13 20333 Placer Northern Sierra Nevada Mountains Foothills, Cramer Road at the junction with CA-49, north of Auburn 412 Comment
  SEINET11447687 Image available Lasthenia fremontii Beninghoff 1930-4-20 3047 Placer Lincoln Comment
  CHSC84554  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. In bed of vernal pool. 39 Comment
  SD241008  Lathyrus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18930 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley road, 1.2 miles south of its junction with Foresthill Road. 779 Comment
  SDSU4207  Lathyrus sulphureus D. R. Harvey 1960-5-29 Placer Near Forest Hull. Comment
  SEINET11447709 Image available Layia chrysanthemoides Beninghett 1930-4-20 3251 Placer Lincoln Comment
  HSC82231  Layia fremontii Thomas W. Nelson 1979-4-10 4591 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  HSC82271  Layia fremontii Thomas W. Nelson, Jane P. Nelson 1979-4-11 4597 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  SEINET11447834 Image available Layia platyglossa D. Erskine 1941-4-11 20 Placer 2 miles E of Roseville 76 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
  JEPS127479  Lemna trisulca Steve Matson 2002-8-4 656 Placer nSNH: Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267; Lookout Mountain branch of Martis Creek. Comment
  CAS-BOT-BC527310  Lemna trisulca W. R. Dudley No date on label. s.n. Placer Near Sierraville Comment
  JEPS113110  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
  UCR250684  Lepidium campestre George K. Helmkamp, Mary Alice Barnes 2013-4-18 20350 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
  RSA0033852  Lepidium latifolium Barbara Ertter 1999-7-9 16757 Placer Emigrant Gap Vista Point on Interstate 80. Comment
  CAS-BOT-BC60087  Lepidium virginicum var. menziesii A. A. Heller 1917-8-13 1753 Placer Near Summit hotel. 2133 Comment
  UCR146922  Lepidium virginicum var. pubescens Beecher Crampton 1961-9-27 6017 Placer Sierra Nevada Mountains, Blue Canyon, railroad right-of-way 1431 Comment
  UCR170645  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2005-9-30 9960 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UCR229452  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2011-7-26 17900 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
  POM260279  Leptosiphon bolanderi C. L. Hitchcock 1940-5-15 6407 Placer 6 miles N of Colfax Comment
  CHSC40739  Leptosiphon harknessii L. S. Rose 1941-7-18 41322 Placer Chambers Lodge (McKinney), Lake Tahoe. 2100 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
  POM299439  Leptosiphon harknessii L. S. Rose 1941-7-18 41322 Placer Chambers Lodge (McKinney), Lake Tahoe 2100 Comment
  SEINET2470945  Leptosiphon harknessii K. Christie 2010-7-8 1886 Placer Lake Tahoe Basin Management Unit (USFS); along FR 16N73 ca. 1.25 mi. west of Tahoe City. 2103 Comment
  CAS-BOT-BC341750  Lessingia nana John Thomas Howell; Gordon H. True 1971-5-26 47631 Placer Northern limits of Lincoln 48 Comment
  CAS-BOT-BC342044  Lessingia virgata A. A. Heller 1915-9-12 12275 Placer In fields near Roseville Comment
  UC1121018  Leucothoe davisiae N. French 1934-7-7 499 Placer Tahoe National Forest, Texas Hill Texas Hill; Tahoe National Forest, Texas Hill 1524 Comment
  UC82845 Image available Lewisia kelloggii A. Kellogg 1870-6-27 Placer Camp Yuba (Cisco) Sierra Nevada Comment
Read comments
Apr 4 2011
  SEINET5336469  Lewisia kelloggii M. J. Williams 1970-6-7 s.n. Placer S of Emigrant Gap, overlooking N fork American River. 1615 Comment
  CAS-BOT-BC444162  Lewisia nevadensis A. A. Heller 1917-6-17 12714 Placer Along the Yuba River below Cisco 1676 Comment
  UC852034  Lewisia pygmaea Alice Eastwood Jun 15 1912-Jun 19 1912 441 Placer Tahoe City Lake Tahoe Region Comment
  CAS-BOT-BC444554  Lewisia triphylla Marcus E. Jones 1882-6-28 2629 Placer Emigrant Gap Comment
  CAS-BOT-BC444556  Lewisia triphylla John H. Thomas; Hazelle A. Thomas 1956-7-21 6135 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  RSA123481B  Leymus triticoides H. S. Yates 1934-6-29 3869 Placer Near Brockway; Truckee 1921 Comment
  RSA0025573  Ligusticum John F. Emmel 1996-7-17 1444 Placer Sierra Nevada, Donner Pass area; along Pacific Crest Trail, on lower west slope of Mt. Judah. 2348 Comment
  CAS-BOT-BC436047  Ligusticum grayi A. A. Heller 1917-8-14 12933 Placer Mt. Lincoln south of Summit valley 2499 Comment
  CHSC73002  Ligusticum grayi L. P. Janeway 1998-8-6 5991 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UC21113  Ligusticum grayi C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  RSA65289  Lilium pardalinum Albert M. Vollmer, L. Beane 1951-07 188 Placer Bear Valley, east of Nevada City Comment
  SEINET8393639  Lilium pardalinum Unknown 1951-1 188 Placer Bear Valley, east of Nevada City. Comment
  UC3732  Lilium parvum C. J. Fox Jr. Jul 1895 Placer Deer Park Inn Comment
  UCD22052  Lilium parvum Beth Lowe Corbin 1982-8-16 351 Placer 1/2 mile NW of Onion Creek Campground. 2011 Comment
  CAS-BOT-BC508455  Lilium parvum Mrs. H. M. Mitchell 1922-7-1 s.n. Placer Blue Canyon Comment
  CAS-BOT-BC508484  Lilium parvum Lewis S. Rose 1944-7-25 44257 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  CAS-BOT-BC508486  Lilium parvum A. A. Heller 1919-7-26 13312 Placer West of Donner Pass 2072 Comment
  CAS-BOT-BC508489  Lilium parvum A. M. Vollmer; L. Beane 1951-7-1 190 Placer Bear Valley, east of Nevada City Comment
  UC3750  Lilium washingtonianum subsp. washingtonianum C. F. Sonne Jul 1886 Placer canyon on Truckee River; Sierra Nevada Mountains Comment
  UCD116450  Limnanthes alba Lynn Gould 1962-4-17 53 Placer on P. F. E. Road 6 miles west of Roseville. 45 Comment
  UCSB45737  Limnanthes alba Reisentz, Paul 1979-5-11 Placer 1 mile south of Sheridan on Highway 65 Comment
  SD243171  Limnanthes floccosa subsp. californica George K. Helmkamp, E. A. Helmkamp 2011-4-10 17151 Placer Sacramento Valley: along Riosa road at the east edge of the village of Sheridan. 41 Comment
  SDSU3171  Linanthus bicolor D . F. Howe 1951-5-2 2111 Placer 4.0 miles N of Auburn. 457 Comment
  UC572434  Linanthus ciliatus N. French 1934-6-22 483 Placer 0.5 mi w Lake Van Norden 2133 Comment
  UC880328  Linanthus ciliatus P. A. Lebenbauer 1923-6-10 Placer near Homewood; Lake Tahoe Comment
  SEINET9333463  Linanthus harknessii George Hrusa, Glazner, J. 1999-7-17 15153 Placer Martis Valley Comment
  UCR173268  Linum bienne George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10431 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  CDA15969  Linum lewisii var. lewisii G. F. Hrusa, J. Glazner 1999-7-17 15117 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC36571  Lithocarpus densiflorus var. echinoides P. W. Rundel 1967-9-6 2653 Placer American River Grove of Sierra redwoods; Tahoe national Forest; ca. 20 miles NE of Foresthill; 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
  UC1135297  Lithocarpus densiflorus var. echinoides N. French 1933-8-24 95 Placer Mosquito Ridge; Tahoe National Forest, Colfax Quad. 1524 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
  SCFS5094  Lithophragma glabrum F. Felix, Erica Krimmel 2013-5-19 18 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  UCD22322  Lithophragma glabrum Rex Palmer 1979-6-20 N 323 Placer Headwaters basin area of the North Fork of the American River Comment
  CAS-BOT-BC317306  Lithospermum californicum Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat. Comment
  JEPS111185  Logfia filaginoides Steve Matson 2005-4-17 1219 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  CAS-BOT-BC283556  Lolium John Thomas Howell; Gordon H. True 1971-5-26 47619 Placer N limits of Lincoln 48 Comment
  SACT001452  Lolium perenne D. Meyer 1983-6-18 Placer Shady area. 1170.0 Comment
  UCD66657  Lolium temulentum August L. Hormay 1932-5-24 Placer West of Auburn. Comment
  CDA16990  Lomatium G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16043 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. Sheet 1 of 2 1066 Comment
  UCSB32282  Lomatium caruifolium Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  JEPS126308  Lomatium dissectum var. multifidum Steve Matson 2001-5-28 487 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, 400 yards south power lines, 300 yards west of Golf course. Comment
  UC21193  Lomatium utriculatum H. N. Bolander 1865-4-13 4578 Placer Newcastle Comment
  SDSU2374  Lomatium utriculatum unknown 1948-5-21 1930 Placer 457 Comment
  SEINET12328859  Lonicera conjugialis J. H. Nishida 1985-1 789 Placer Homewood 1829 Comment
  CAS-BOT-BC240670  Lonicera interrupta Saichi Kawahara 1969-5-24 837 Placer Slope overlooking the north fork of the American River on the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  SEINET3523669 Image available Lotus C. L. Hitchcock 1940-5-7 6322 Placer 1 mi W of Baxter Comment
  UCR257728  Lotus corniculatus George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19522 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
  CDA13720  Lotus grandiflorus var. macranthus G. F. Hrusa, B. Meese 1997-5-26 13790 Placer Sierra Nevada; Italian Bar Trail, to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. Comment
  UC864816  Lotus humistratus C. L. Hitchcock 1940-5-14 6382 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  POM27004  Lotus incanus Marcus E. Jones 1882-5-3 s.n. Placer Colfax Comment
  UC1129097  Lotus micranthus N. French 1933-6-5 66 Placer East Rocklin Sacramento Quad. 91 Comment
  JEPS102602  Lotus nevadensis var. nevadensis Lowell Ahart 2001-10-10 9345 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
  RSA406240  Lotus oblongifolius McFadden 1934-7-2 12717 Placer N. fork of American River, Rawhide Mine - Alta. Comment
  UCR231845  Lotus oblongifolius George K. Helmkamp, E. A. Helmkamp 2010-8-14 16796 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  UC147593  Lotus oblongifolius var. oblongifolius Harriet A. Walker 1908-6-24 1289 Placer Blue Canyon 1432 Comment
  UC864282  Lotus oblongifolius var. oblongifolius Marcus E. Jones, A. M. 1882-6-28 2628 Placer Emigrant Gap Comment
  JEPS59490  Lotus oblongifolius var. oblongifolius Ezra Brainerd and Viola B. Baird 1915-7-12 242 Placer n side Donner Lake; Sierra Nevada Mts. 1828 Comment
  UC15725  Lotus oblongifolius var. oblongifolius Mrs. M. M. Hardy 1893-1 Placer Comment
  JEPS103490  Lotus purshianus var. purshianus Lowell Ahart 2002-7-22 9918 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UC726588  Lotus purshianus var. purshianus A. A. Heller 1927-8-17 14455 Placer Donner Lake Comment
  UCR194949  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12023 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road, 4.2 miles southeast of Foresthill 793 Comment
  CAS-BOT-BC175722  Lotus scoparius var. scoparius G. K. Helmkamp; E. A. Helmkamp 2007-5-18 12036 Placer Northern Sierra Nevada Mountains Foothills: along the connection road from CA-49 to Forest Hill Road; 1.1 miles east of the crossing of the junction of the North and West Forks of the American River 229 Comment
  RSA122898  Lotus unifoliolatus B. Bolt 1934-7-20 154 Placer Whiskey Hill. 1646 Comment
  SDSU4354  Lotus wrangelianus D. F. Howe 1948-5-21 1916 Placer 457 Comment
  RSA11950  Lupinus albicaulis var. albicaulis Elmer I. Applegate 1928-4-22 5365 Placer Near and above Auburn. Along Grass Valley Road. Comment
  OBI82142  Lupinus albifrons var. collinus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20486 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill. 829 Comment
  CAS-BOT-BC196230  Lupinus albifrons var. eminens Abigail Smith 1899-4-1 s.n. Placer Applegate Comment
  OBI12958  Lupinus andersonii Robert F. Hoover 1967-9-5 10834 Placer Carnelian Bay, Lake Tahoe Comment
  OBI48724  Lupinus andersonii Lewis S. Rose 1941-7-23 41354 Placer Chambers Lodge, (McKinney) Lake Tahoe 1920 Comment
  SEINET5558507  Lupinus andersonii H. S. Gentry 1962-1 19759 Placer 3 mi. south of Grass Valley, along Rt. 49. 457 Comment
  SEINET5558508  Lupinus andersonii H. S. Gentry 1962-1 19758 Placer Near Auburn. 457 Comment
  UCR111007  Lupinus angustiflorus George K. Helmkamp, E. A. Helmkamp 1999-6-30 5094 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  UC1129253  Lupinus apertus B. Bolt 1934-7-6 82 Placer 1 1/2 mi se Monumental Hill; Tahoe National Forest, Colfax Quad., se of Monumental Hill Comment
  UC148924  Lupinus arbustus H. M. Hall 1910-6-28 8730 Placer Cisco; Sierra Nevada Mountains, Cisco 1828 Comment
  UC170081  Lupinus arbustus var. arbustus Helen D. Geis 1912-6 68 Placer Deer Park Comment
  UCSB17489  Lupinus argenteus Breedlove, Dennis 1962-6-13 Placer On the western bank of Lake Tahoe; along State Highway 89; 8.3 miles south of Tahoe City; Sierra Nevada 1889 Comment
  UCR233387  Lupinus argenteus var. argenteus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18162 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill 1402 Comment
  UCR208610  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2009-5-7 14626 Placer Sierra Nevada Mountains Foothills, Oxbow Road, 2.0 miles south of its junction with Mosquito Ridge Road; north edge of Oxbow Reservoir 402 Comment
  UCR233335  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2011-4-1 17115 Placer Eastern Sacramento Valley, along CA-193 (Lincoln-New Castle Hwy), 0.4 mile west of Gold Hill Road, 5.4 miles (air) east of Lincoln 108 Comment
  UCR238590  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2012-3-31 18661 Placer Sacramento Valley, along CA-193, 0.3 mile northwest of its junction with Gold Hill Road 131 Comment
  UCR249528  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20290 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UCR258240  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20239 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  SEINET10484848  Lupinus bicolor Thomas W. Nelson 1979-4-10 Nelson 4593 Placer Along w side of sierra college blvd. Between i-80 and douglas blvd. Rocky moist Meadow and oak woodland Comment
  SEINET5328112  Lupinus bicolor A. Allen 1950-4-29 20 Placer 3 miles east of Roseville on Highway 40 Comment
  UC865066  Lupinus breweri John Thomas Howell 1938-8-2 14011 Placer at Brockway Brockway (sand hills on Lake Tahoe); Lake Tahoe Comment
  UCD33676  Lupinus breweri Beecher Crampton 1971-8-16 8752 Placer Lake Tahoe, Tahoe Vista. 1920 Comment
  UC149855  Lupinus grayi Katharine Brandegee July 1910 Placer Gold Run Comment
  SEINET8042255  Lupinus grayi A. Allen 1950-4-29 45 Placer Highway 40, 2 miles above Glen Alder following a sharp curve to left, 914 Comment
  UC147641  Lupinus latifolius var. columbianus Harriet A. Walker 1908-6-24 1269 Placer Blue Canyon 1432 Comment
  UC198112  Lupinus latifolius var. latifolius Katharine Brandegee Aug. 1917 Placer Cisco Comment
  UC82550  Lupinus latifolius var. viridifolius P. B. Kennedy and S. B. Doten 1901-8-18 412 Placer 7 mi from French Meadows (Talbots Home Camp); 7 mi from French Meadows, Talbots Home Camp Comment
  SD6066  Lupinus laxiflorus unknown Jun/Jul 1914 Placer Cisco Comment
  UC865253  Lupinus lepidus Marcus E. Jones, A. M. 1882-4-28 3305 Placer Emigrant Gap Comment
  UCD108446  Lupinus lepidus var. lobbii S. L. Smith 1916-6-16 510 Placer Squaw Valley. Comment
  UCR120503  Lupinus lepidus var. sellulus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5026 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  SEINET11261466  Lupinus microcarpus var. densiflorus George Helmkamp, Amy Barnes 2014-4-23 22771 Placer Sierra Nevada Mountain Foothills on Old Forest Hill Road, 0.4 miles NE of the junction with CA-49 at North Fork American River.; 0 290 Comment
  UCR250269  Lupinus microcarpus var. densiflorus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20459 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.8 miles east of its junction with Upper Clementine Lake Road, 10.1 mi. NE (52 deg. ) of Auburn 672 Comment
  CDA19539  Lupinus nanus M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 257 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  SEINET3271551 Image available Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14603 Placer Sierra Nevada Mountains Foothills; Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  RSA413833  Lupinus polyphyllus subsp. polyphyllus Wm Vortriede 1928-1 s.n. Placer Lake Tahoe Comment
  SEINET10488897  Lupinus sellulus P. Rubtzoff 1976-9-19 Rubtzoff 8874 Placer Lake van norden. Dry disturbed (cleared) area on e side of lake, n of the dirt Rd. 2063 Comment
  JEPS127405  Luzula comosa var. laxa Steve Matson 2006-4-23 1603 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  CAS-BOT-BC436667  Luzula comosa var. laxa Dr. Kellogg 1870-6-16 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  UCD44569  Luzula subcongesta C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1935 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC1191822  Lycopus americanus Malcolm A. Nobs and S. Galen Smith 1949-8-22 1541 Placer s.w. city limits of Roseville Comment
  SD8613  Madia bolanderi Katherine Curran Sep 1883 Placer Donner Lake 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
  UC89539  Madia citriodora K. Brandegee May 1883 Placer Roseville Comment
  CAS-BOT-BC343778  Madia elegans David D. Keck 1933-6-1 2435 Placer 1 mile south of Loomis on road to Rocklin Comment
  CAS-BOT-BC343772  Madia elegans Grant 1906-7-25 7071 Placer Tallac - Lake Tahoe Comment
  UC217498  Madia elegans H. M. Hall 1917-5-17 10309 Placer 5 mi n Lincoln (along S.P.R.R.); Sacramento Valley Comment
  SDSU4733  Madia elegans subsp. densifolia D. F. Howe 1962-8-10 3418 Placer 1.2 miles north of Auburn. 457 Comment
  SD237340  Madia elegans subsp. vernalis G. K. Helmkamp, E. A. Helmkamp 2010-4-23 15935 Placer Sierra Nevada Mountains Foothills: Salmon Falls Road at the Salmon Falls crossing of the American River. 156 Comment
  CAS-BOT-BC344464  Madia exigua Kellogg; Brannan 1870-6-8 s.n. Placer Cisco, Sierra Nevada Mts Comment
  CHSC73019  Madia glomerata L. P. Janeway 1998-8-6 5981 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  UC1076267  Madia glomerata Herbert L. Mason 1932-9-9 7176 Placer Cisco Comment
  UC170026  Madia glomerata Miss Helen D. Geis 1912-6 169 Placer Deer Park Comment
  UC406894  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco w slope of Sierra Nevada Comment
  UCR170793  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2005-9-30 9956 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UC485303  Madia glomerata Katharine Brandegee Placer Summit Comment
  CAS-BOT-BC343241  Madia gracilis David D. Keck 1933-5-31 2428 Placer Just south of Auburn, on road to Roseville 305 Comment
  UCR190160  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2007-8-1 12651 Placer Northern Sierra Nevada Mountains, Donner Pass Road between Donner and Norden, about 0.2 mile east of the Nevada Co. border 2151 Comment
  UCR229538  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2011-7-26 17855 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
  POM29897  Madia minima Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  UCD139046  Maianthemum racemosum C. J. W. 1913-7-1 159 Placer Emigrant Gap. Comment
  UCD139055  Maianthemum racemosum Beecher Crampton 1972-9-28 8882 Placer ca. 1 mile east of Baxter. Comment
  UCD33763  Maianthemum racemosum Beecher Crampton 1972-9-28 8882 Placer 1 mile east of Baxter. Comment
  RSA377688  Maianthemum racemosum subsp. amplexicaule William Martin 1971-9-10 20250 Placer 0.5 mile east of Alta off Hwy 80, toward Baxter. Comment
  CAS-BOT-BC512884  Maianthemum stellatum W. R. Dudley 1900-6-28 s.n. Placer Near Tallac 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
  UCR257599  Malva parviflora George K. Helmkamp, Amy Barnes 2014-3-21 22642 Placer Sacramento Valley, Sheridan, Riosa Road at the west side of its junction with old CA-65 33 Comment
  UCD107633  Marah fabacea G. K. Helmkamp; E. A. Helmkamp 2006-2-24 10067 Placer Sacramento Valley; edge of Sierra Nevada Foothills: Junction of Clark Tunnel Road and CA Highway 193, E of Lincoln. 113 Comment
  UCD15162  Marah watsonii Phyllis Adams 1982-4-20 5 Placer California, Placer Co.; near the town of Auburn, in the American River Canyon; 457 Comment
  SEINET9345680  Marrubium vulgare Unknown 2002-5-27 267 Placer Folsom Lake State Recreation Area, CA 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
  SEINET4560777  Medicago lupulina George K. Helmkamp, E. A. Helmkamp 2012-1 19217 Placer Northern Sierra Nevada Mountains; Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  UCR258547  Medicago orbicularis George K. Helmkamp, Amy Barnes 2013-3-28 20234 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 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
  UCD22010  Medicago sativa Beth Lowe Corbin 1982-8-5 252 Placer Onion Creek campground. In dry, disturbed ground between stream and road. Tall, diffuse perennial herb, 4' high. Flowers dark purple. Full sun. SW facing slope, 5% incline. Uncommon. 1841 Comment
  CDA15684  Melica aristata G. F. Hrusa, J. Glazner 1999-7-18 15234 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UC1256278  Melica aristata R. K. Gierisch and D. H. Esplin 1969-7-11 3522 Placer Big Bend; Tahoe Forest 1828 Comment
  UCD66811  Melica aristata Beecher Crampton 1955-7-13 3006 Placer Blue Canyon. 1432 Comment
  SACT001474  Melica aristata Michael Baad 1983-7-15 Placer From Junction owith road from Ramsey CRossing to Devil's Peak. 1524.0 Comment
  UCR146663  Melica californica Beecher Crampton 1955-6-15 2877 Placer Sierra Nevada Mountains, Bunch Canyon, 2 miles south of U.S. Highway 40, on Forest Hills Road 518 Comment
  SACT001498  Melica californica var. nevadensis Michael Baad 1976-6-3 Placer 1.1 miles east of bridge. 3.3 miles east of Auburn on Old Auburn to Foresthill Road. Southwest facing slope. 217.0 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
  SACT001527  Melica stricta Michael Baad 1976-8-12 Placer Southwest to Emigrant Peak along Shirley Lake Ski Lift 2316.0 Comment
  SACT001532  Melica subulata Michael Baad 1977-6-1 Placer 1097.28 Comment
  SEINET2470935  Mentzelia dispersa K. Christie 2010-6-30 1876 Placer Lake Tahoe Basin Management Unit (USFS); east of Brockway Spring along FR 16N57, ca. 0.75 mi. northeast of Kings Beach from Beaver Rd. 2133 Comment
  UC872465  Mentzelia dispersa Alice Eastwood Jun 15 1912-Jun 19 1912 683 Placer Lake Tahoe Region, Deer Park Comment
  JEPS42850  Mentzelia laevicaulis var. laevicaulis C. F. Sonne Sept. 1887 Placer near Donner Boom; Truckee Comment
  CAS-BOT-BC428874  Micranthes californica Catherine A. Toschi 1963-3-23 6379 Placer 3 miles east of Auburn. Comment
  CAS-BOT-BC428879  Micranthes californica Marcus E. Jones 1882-7-1 3587 Placer Emigrant Gap 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
  UCD102832  Micranthes californica G. L. Stebbins 1970-4-4 6990 Placer Shirttail Canyon, on road from Colfax to Forest Hill, ca. 1/2 mile east of crossing of North Fork American River. 457 Comment
  SEINET6033448  Micranthes californica S. Dean 1979-3-31 s.n. Placer El Dorado Creek near junction with North Fork of Middle Fork of American River, off Mosquito Ridge Road to French Meadows 518 Comment
  SEINET12220884  Micranthes tolmiei C. F. Sonne 1885-1 s.n. Placer Tinkers Knob, Sierra Nevada Mts 2743 Comment
  CDA15637  Microseris nutans G. F. Hrusa, J. Glazner 1999-7-18 15207 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UCD21782  Microseris nutans Beth Lowe Corbin 1982-8-6 264 Placer 1/4 mile SW of Onion Creek campground. 1889 Comment
  POM219151  Microseris nutans G. W. Fetters 1929-6-29 s.n. Placer Pomin's, Lake Tahoe Comment
  POM75720  Microsteris gracilis subsp. gracilis Marcus E. Jones 1882-6-28 10380 Placer Emigrant Gap. Comment
  RSA481909  Microsteris gracilis subsp. gracilis Aaron Liston 1988-3-14 696 -2 Placer 3.5 miles N of Auburn; Dry Creek Road. 450 Comment
  UC886165  Mimulus aurantiacus var. grandiflorus Marcus E. Jones, A. M. 1882-6-28 3288 Placer Emigrant Gap Comment
  UCR250171  Mimulus aurantiacus var. grandiflorus George K. Helmkamp, Mary Alice Barnes 2013-5-3 20477 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UC26698  Mimulus aurantiacus var. grandiflorus Mrs. M. M. Hardy 1893-1 Placer Comment
  UC193049  Mimulus bicolor C. F. Sonne 1897-5-17 Placer between Towles and Shady Run Comment
  UC1063530  Mimulus breweri N. French 1934-6-22 443 Placer Serena Lake Tahoe National Forest, Truckee Quadrangle Comment
  UCD21876  Mimulus breweri Beth Lowe Corbin 1982-8-18 367 Placer 1 mile SW of The Cedars. 1828 Comment
  JEPS59502  Mimulus guttatus Ezra Brainerd and Viola B. Baird 1915-7-10 257 Placer Deer Park Sierra Nevada Mts. 1920 Comment
  SCFS5095  Mimulus guttatus F. Felix, Erica Krimmel 2013-5-19 20 Placer North Fork American River, 0.3 mile east Heath Falls overlook, on trail Comment
  UCD162607  Mimulus guttatus Steve Matson 1999-7-28 130 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork bog. 1920 Comment
  UCR190712  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-9-14 12954 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR193362  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-5-30 12183 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.5 miles east of its junction with Forest Hill Road in Foresthill, between Mosquito Ridge Lookout and North Fork of Middle Fork American River 800 Comment
  UCR208272  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2009-5-7 14638 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  CDA38386  Mimulus jepsonii S. E. Schoenig 1998-8-16 98 -83 Placer 1.0 mile north of Grouse Ridge on trail to Island Lake, northeast of Milk Lake. Tahoe National Forest. Comment
  UCD122726  Mimulus kelloggii A. S. Crafts 1926-5-1 1936 Placer American River Canyon. Comment
  RSA523467  Mimulus kelloggii W. L. Jepson 1938-4-5 18584 Placer Auburn, 2 mi e. on Placerville Road. Comment
  UC1063101  Mimulus lewisii B. Bolt 1934-7-16 119 Placer Wabeno Creek Tahoe National Forest, Truckee Quadrangle Comment
  UCD21878  Mimulus lewisii Beth Lowe Corbin 1982-8-3 175 Placer Onion Creek campground. 1841 Comment
  UCD21890  Mimulus microphyllus Rex Palmer 1979-7-19 N 227 Placer Exact location unknown. Comment
  UC125208  Mimulus moniliformis Katharine Brandegee July 1908 Placer near Cisco Comment
  UCD75956  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, M. Bibbo, J. Poloske, K. Mawdsley 2008-7-20 5211 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon. Ridge to the southwest of disturbed off-road vehicle area. 2270 Comment
  UCR240957  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 2012-9-25 19908 Placer Northern Sierra Nevada Mountains, Blue Canyon Road south of I-80 and 0.1 mile north of the Southern Pacific Railroad crossing 1451 Comment
  UCD122789  Mimulus nanus var. jepsonii G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12057 Placer Northern Sierra Nevada Mountains. Along Forest Hill Road, 11.1 miles northeast of Foresthill. Comment
  UCD42957  Mimulus primuloides C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 326 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCR209723  Mimulus primuloides var. primuloides George K. Helmkamp, E. A. Helmkamp 2009-8-12 15447 Placer Sierra Nevada Mountains, Forest Hill Road at Robinson Flat, 27 miles northeast of the city of Foresthill 2061 Comment
  JEPS71717  Mimulus tilingii Gladys L. Smith 1972-8-25 3435 Placer meadow below <Granite Chief> north cirque 2575 Comment
  UCR209587  Mimulus torreyi George K. Helmkamp, E. A. Helmkamp 2009-8-12 15425 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  JEPS7869  Mimulus torreyi Rimo Bacigalupi with A. Hawkes, J. Hunziker, G. L. Stebbins, D. Zohary, H. Stutz, F. Ehrendorfer 1952-7-19 3862 Placer about 2 1/2 mi e Iowa Hill (near site of Monona Flat, ridge between Indian Creek and North Fork of American River) 990 Comment
  RSA20886  Minuartia californica C. B. Wolf 1937-3-30 8349 Placer Sacramento Valley, 4.8 miles east of Lincoln on Penryn Road. 91 Comment
  UC485725  Minuartia californica Milo S. Baker 1900-2-11 Placer near Auburn Comment
  CAS-BOT-BC432976  Mitella breweri John Thomas Howell 1943-7-21 18644 Placer Donner Pass to Mt. Lincoln Comment
  CDA12434  Mitella breweri G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8506 Placer Lake Tahoe; N side of upper Ward Valley, 4 mi. SW of Tahoe City. Comment
  JEPS115012  Mollugo verticillata Lowell Ahart 2007-11-13 14598 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan 73 Comment
  CAS-BOT-BC318583  Monardella odoratissima A. A. Heller 1919-7-26 13320 Placer Donner pass. 2194 Comment
  SD243166  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2011-8-26 18168 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 26.1 miles east of its junction with Mesquite Road in the city of Foresthill. 2020 Comment
  SEINET4691694  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-1 16666 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  UCR242329  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2010-7-28 16666 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  SCFS1207  Monardella sheltonii E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Off S. slope near top. Top Meadow. Comment
  UCD149498  Montia fontana G. L. Stebbins 1978-5-28 78101 Placer Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SD1563  Montia parvifolia C. F. Sonne 1891-8-9 Placer Sierra Nevada Mountains, Canon above Squaw Valley Comment
  SACT001585  Muhlenbergia filiformis D. Meyer 1984-7-15 Placer Moist mountain meadow 25 km from lodge. 1909.0 Comment
  SACT001587  Muhlenbergia filiformis Michael Baad 1983-8-27 Placer On trail, one mile west towards Cherry Point. 2133.0 Comment
  CDA15942  Muhlenbergia richardsonis G. F. Hrusa, J. Glazner 1999-7-17 15150 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCR148107  Muhlenbergia rigens Beecher Crampton 1969-11-13 8530 Placer Welmar on Interstate 80 686 Comment
  JEPS9720  Myosurus apetalus W. L. Jepson 1931-6-16 15931 Placer Tahoe City Comment
  UC854359  Myosurus apetalus Alice Eastwood Jun 15 1912-Jun 19 1912 467 Placer Tahoe City; Lake Tahoe Region Comment
  UCD102556  Myriophyllum quitense Lars Anderson; Doreen Gee 2008-12-9 s. n. Placer Lake Tahoe (California side, near Tahoe Keys East Channel). Approximately 500 ft. from entrance to Tahoe Keys Marina. Comment
  CDA38167  Myriophyllum sibiricum G. D. Barbe 1977-7-2 2287 Placer Day Use Area, Martis Creek Lake, south of Truckee Airport. Comment
  UCR216030  Nama lobbii George K. Helmkamp, Amy Barnes 2009-7-12 15186 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  UCR231006  Nama lobbii George K. Helmkamp, E. A. Helmkamp 2010-8-14 16801 Placer Northern Sierra Nevada Mountains, American Hill Road, 1.2 miles south of its junction with Foresthill Road 1567 Comment
  UCR237435  Narcissus poeticus George K. Helmkamp, E. A. Helmkamp 2012-2-23 18574 Placer Sacramento Valley, Nicolaus Road, 0.4 mile west of South Dowd Road, west of Lincoln 45 Comment
  CDA15975  Navarretia divaricata subsp. divaricata G. F. Hrusa, J. Glazner 1999-7-17 15130 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS111232  Navarretia divaricata subsp. divaricata Steve Matson 2005-6-12 1271 Placer Martis Valley, ca 5 miles southeast of Truckee, Northstar subdivision,west of 267, near entrance road just east of gas station; 39.2873 N, 120.1068 W; Elevation 6200 ft. 1889 Comment
  JEPS127407  Navarretia divaricata subsp. divaricata Steve Matson 1998-6-21 267 Placer nSNH Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area north side of Highway 267, east of Martis Creek. Comment
  JEPS70340  Navarretia intertexta R. E. Arp 1932-4-28 1 Placer Roseville Comment
  SEINET3861932  Navarretia intertexta Genevieve K. Walden 2009-6-25 210 Placer Off I-80 East before Cisco Grove exit, Blue Lakes Rd. turn off, take a right and park at T intersection with unpaved fire road.; 0 1699 Comment
  SEINET9367592  Navarretia intertexta Unknown 1999-7-17 15173 Placer Martis Valley Comment
  SEINET14058121  Navarretia intertexta subsp. propinqua F. H. Hillman s. n. Placer Between Truckee and Lake Tahoe Comment
  UCD21981  Navarretia leptalea Beth Lowe Corbin 1982-8-3 190 Placer Onion Creek campground. In fine, sandy, granitic soil. Open area disturbed by flooding. Flowers purple with yellow throat bases. Full sun. Locally very abundant. 1841 Comment
  UC106890  Navarretia leptalea subsp. leptalea T. S. Brandegee 1889-7-7 Placer Alta Comment
  UC217358  Navarretia leptalea subsp. leptalea H. M. Hall 1910-7-10 8752 Placer Cisco Sierra Nevada, Cisco 1828 Comment
  UC398627  Navarretia leptalea subsp. leptalea A. A. Heller 1927-8-15 14445 Placer near Yuba River (Cisco); near Yuba River, Cisco Comment
  UCD48530  Navarretia leucocephala Beecher Crampton 1953-5-26 1334 Placer 2 miles north of Lincoln. Vernal pool bed; dry pasture, Sunnybrook farm (Francheschi). Comment
  CHSC84557  Navarretia leucocephala subsp. leucocephala John Dittes 2003-5-25 2003 -27 Placer Sacramento Valley; approximately 3.3 air-miles south of Lincoln, 0.5 air-miles due east of intersection of State Highway 65 and 12-Bridges Exit. In bed of vernal pool. 39 Comment
  UCR198536  Navarretia leucocephala subsp. leucocephala George K. Helmkamp, E. A. Helmkamp 2008-4-17 13287 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  SEINET196217  Navarretia propinqua Herbert L. Mason 1940-8-3 12203 Placer Squaw Creek Valley, N fo Lake Tahoe. 1890 Comment
  CHSC24707  Nemophila heterophylla T. C. English 1976-4-18 34 Placer N side of abandoned R. R., n fork of the American River, 2 1/4 mi w of Hwy 49 bridge. 335 Comment
  UC880880  Nemophila heterophylla C. L. Hitchcock 1940-5-7 6321 Placer ca 1 mi w Baxter; w of Baxter Comment
  UCR235597  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2012-5-5 18920 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  RSA75815  Nemophila heterophylla Lincoln Constance, J. L. Morrison 1938-4-30 2171 Placer At eastern edge of Applegate, Sierra Nevada foothills. 610 Comment
  JEPS1482  Nemophila menziesii W. H. Shockley 1879-1 Placer Auburn Comment
  SEINET5521023  Nemophila menziesii P. A. Lehenbauer 1937-4-12 s.n. Placer Near Lincoln Comment
  RSA20888  Nemophila menziesii var. menziesii Carl B. Wolf 1937-3-30 8351 Placer Sacramento Valley, 3.4 miles east of Lincoln on Penryn Road. 76 Comment
  POM289638  Nemophila spatulata Lyman Benson 1933-6-26 4543 Placer 4 miles west of Donner Pass, Sierra Nevada, Bear River Watershed, Canadian zone, US 40. 1982 Comment
  UC606960  Nemophila spatulata L. Constance 1938-6-6 2279 Placer 6.5 mi w Cisco (Sierra Nevada); , w of Cisco 1584 Comment
  UCD110222  Notholithocarpus densiflorus var. echinoides Eric Brenner; John Hunter 1996-5-26 015 Placer Big Trees, Mosquito Ridge Rd., Tahoe National Forest. 1740 Comment
  UC1714520  Odontostomum hartwegii Mary E. P. Ames April, 1891 Placer Auburn Comment
  UC905263  Odontostomum hartwegii Malcolm Nobs 1948-5-23 511 Placer on Hwy. 49 3/4 mi. n. of Rock Creek Comment
  CAS-BOT-BC499822  Orobanche corymbosa subsp. corymbosa C. F. Sonne 1885-8-9 283 Placer Sierra Nevada Mts., on road from Tahoe 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-BC458057  Orthilia secunda C. F. Sonne 1885-10-11 209 Placer Sierra Nevada Mts: Summit at Lake Angeline Comment
  JEPS59380  Orthilia secunda Ezra Brainerd and Viola B. Baird 1915-7-26 128 Placer Sierra Nevada Mts. along Truckee River, Bear Rock 1889 Comment
  UCD18250  Orthocarpus cuspidatus subsp. cryptanthus E. A. Dean; N. Wymer, T. and M. Starbuck 1998-8-15 462 Placer NW shore of Lake Tahoe, W of Hwy 89, S of Donner Lake, upper slopes and meadows of Squaw Valley Ski Resort. 2499 Comment
  POM260000  Orthocarpus lacerus C. Leo Hitchcock 1940-5-14 6387 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  SEINET3159771  Orthocarpus pilosus G. B. Grant 1906-7-25 887 Placer Lake Tahoe, Sierra Nevada Mts. Tallac 1890 Comment
  SACT001684  Oryzopsis hymenoides Michael Baad 1976-8-25 Placer ridge of east Grouse Canyon 2499.0 Comment
  UC1505700  Osmorhiza berteroi Robert T. Clausen and Harold Trapido 1940-7-13 4888 Placer n Ward Creek (2 mi w of Lake Tahoe); Sierra Nevada, Lake Tahoe Basin 1905 Comment
  UC875253  Osmorhiza berteroi Marcus E. Jones, A. M. 1882-6-29 2734 Placer Emigrant Gap Comment
  CDA12409  Osmorhiza occidentalis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8537 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CAS-BOT-BC413164  Oxyria digyna A. A. Heller 1917-8-14 12922 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  UC849847  Oxyria digyna A. A. Heller 1917-8-14 12922 Placer near the crest Mt. Lincoln (s of Summit valley); Mt. Lincoln s of Summit valley 2499 Comment
  UCD124126  Panicum acuminatum var. fasciculatum Ellen Dean; Marcel Rejmanek 2012-10-9 7500 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  CHSC81854  Panicum capillare Lowell Ahart 2001-10-10 9342 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about a 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  CAS-BOT-BC253820  Panicum dichotomiflorum Beecher Crampton 1977-9-30 9531 Placer Applegate, opposite grocery store Comment
  CHSC79421  Panicum hillmanii Beecher Crampton 1975-9-9 9281 Placer Alta, Hwy 80. 1188 Comment
  SACT001645  Panicum pacificum Michael Baad 1977-6-9 Placer At junction of Middle Fork of American River and Rubicon River 365.76 Comment
  SACT001647  Panicum pacificum Michael Baad 1976-8-4 Placer At end of Jeep road, 2 miles east of Talbot Camp Northeast of Mildred Ridge 1975.0 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
  UCD44542  Pectiantia breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1908 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UC128142  Pedicularis attollens Miss Harriet A. Walker 1470 Placer near Cisco Lake; Cisco Comment
  UCD42898  Pedicularis groenlandica C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 266 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET13751978  Pedicularis racemosa H. A. Walker 1908-7-29 1502 Placer Cisco 1829 Comment
  UC41748  Pedicularis semibarbata C. J. Fox Jr. July, 1895 Placer near Squaw Valley Comment
  UCR209726  Pedicularis semibarbata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15454 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 21.7 miles northeast of the city of Foresthill 1701 Comment
  UC474211  Pellaea brachyptera Marcus E. Jones, A. M. 1882-5-28 3275 Placer Emigrant Gap Comment
  UC197942  Pellaea breweri C. F. Sonne Aug. 1878 Placer Coldstream Comment
  CAS-BOT-BC67608  Pellaea bridgesii Alice Eastwood 1909-7-1 s.n. Placer Lake Tahoe region - Ward Pass Comment
  JEPS73135  Pellaea bridgesii Gladys L. Smith 1972-6-20 3269 Placer Ward Peak 2286 Comment
  POM120782  Pellaea mucronata Marcus E. Jones 1902-6-29 s.n. Placer Emigrant Gap. Comment
  RSA686980  Pellaea mucronata Fay A. MacFadden 1934-3-25 12480 Placer Canyon Creek, Monte Vista Inn. Comment
  JEPS16351  Penstemon azureus Peter H. Raven 1956-8-4 10001 Placer dirt road n Emigrant Gap; Sierra Nevada, n of Emigrant Gap 1493 Comment
  SEINET178786 Image available Penstemon azureus Marcus E. Jones 1982-7-3 3437 Placer Colfax Comment
  SEINET4560769  Penstemon azureus George K. Helmkamp, E. A. Helmkamp 2010-1 16670 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat. 2040 Comment
  SEINET9885426  Penstemon azureus David J. Keil 1978-1 12930 Placer Cisco Grove exit from I-80, just E of Nevada Co line; around South fork of Yuba River 1768 Comment
  SD103530  Penstemon azureus Darley F. Howe 1978-7-15 5072 Placer Along state highway 20, 27 miles west of Truckee 1584 Comment
  UCR194959  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2007-5-18 12011 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  POM44123  Penstemon azureus subsp. azureus Marcus E. Jones 1882-7-1 3436 Placer Emigrant Gap. Comment
  POM44449  Penstemon azureus subsp. azureus H. M. Hall 1910-6-19 8702 Placer Cisco. 1800 Comment
  NY571188  Penstemon azureus var. azureus M. E. Jones 1882-7-3 3436 Placer Colfax Comment
  UC103094  Penstemon azureus var. azureus C. F. Sonne July 1889 Placer <?> Donner Lake (Strongs Canyon C.P.R.R.); Sierra Nevada, above Donner Lake, Strongs Canyon C.P.R.R. 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
  SEINET5326487 Image available Penstemon azureus var. azureus H. M. Hall 1910-6-19 8702 Placer Cisco, in the Transition Zone 1800 Comment
  SEINET5326488 Image available Penstemon azureus var. azureus M. J. Williams 1985-7-13 85- 62 -2 Placer Near the beginning of the Pacific Crest Trail, near summit of old Donner Hwy. Sierra Nevada 2152 Comment
  RSA420413  Penstemon deustus W. Hutchinson 1922-6-1 3549 Placer Lake Tahoe. [Placer or El Dorado Co.] Comment
  LA209570  Penstemon heterodoxus Mary V. Hood; 1948-7-20 48- 26 -k* Placer Sugar Bowl, Lodge, near Nordon 2133 Comment
  CAS-BOT-BC264480  Penstemon heterodoxus var. heterodoxus F. Almeda 1993-7-24 7255 Placer About 15 miles SE of Interstate Highway 80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CAS-BOT-BC264488  Penstemon heterodoxus var. heterodoxus L. S. Smith 1927-8-12 2222 Placer Upper Squaw Creek Basin below Peak 2286 Comment
  UC27423  Penstemon heterodoxus var. heterodoxus C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  UC480749  Penstemon heterodoxus var. heterodoxus W. C. Blasdale 1923-7-13 Placer top of Ellis Peak Lake Tahoe Region, top of Ellis Peak Comment
  UCD83642  Penstemon heterodoxus var. heterodoxus Albert Grigarick 2009-9-10 195 Placer Squaw Creek Resort, approx. in middle of Emigrant Lift. 2526 Comment
  UC565577  Penstemon heterophyllus var. purdyi Herbert L. Mason 1926-5-28 3271 Placer 5 mi above Auburn; above Auburn Comment
  SD243211  Penstemon laetus subsp. laetus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18160 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 3.6 miles east of its junction with Mesquite Road in the city of Foresthill. 1402 Comment
  SD243212  Penstemon neotericus George K. Helmkamp, E. A. Helmkamp 2011-8-26 18190 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UCD21910  Penstemon newberryi Rex Palmer 1979-6-9 N 151 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  RSA30916  Penstemon newberryi subsp. newberryi A. A. Heller 1917-6-18 12710 Placer Along the Yuba River below Cisco. 1646 Comment
  POM147858  Penstemon newberryi subsp. newberryi Philip A. Munz 1927-7-19 1769 Placer Summit of Sierra, west of Donner Lake. 2134 Comment
  JEPS15096  Penstemon newberryi var. newberryi N. French 1934-5-24 369 Placer N Fork of N Fork American River 1341 Comment
  NY627325  Penstemon newberryi var. newberryi N. H. Holmgren 1966-7-19 2907 Placer Along old US 40, 1.5 miles east of Norden Comment
  UC1341757  Penstemon newberryi var. newberryi Noel H. Holmgren, James L. Reveal 1966-7-19 2907 Placer 1 1/2 mi E of Norden (along old US 40, S of Hwy) Comment
  JEPS59360  Penstemon roezlii Ezra Brainerd and Viola B. Baird 1915-7-29 110 Placer along Truckee River near Bear Rock Camp; Sierra Nevada Mts., Truckee River 1889 Comment
  CAS-BOT-BC239575  Penstemon rydbergii var. oreocharis M. S. Jussel 1928-6-25 s.n. Placer Tahoe City Comment
  CHSC74279  Penstemon rydbergii var. oreocharis Susi Urie 1998-8-27 98 -119 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  NY651286  Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit 2133.6 Comment
  NY651288  Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit 2133.6 Comment
  UCD162579  Penstemon rydbergii var. oreocharis Steve Matson 2003-6-22 811 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork south of bog. 1920 Comment
  NY661013  Penstemon speciosus L. D. Benson 1932-7-31 4018 Placer 2 miles N Tahoe Tavern. Truckee River Watershed. Sierra Nevada Mountain Range. 1889.8 Comment
  UCD164637  Pentagramma triangularis subsp. triangularis Brandi Sorensen 1995-6-1 27 Placer .73 kilometers northwest of Colfax. 671 Comment
  RSA0026218  Perideridia John F. Emmel 1997-7-25 1507 Placer Sierra Nevada, Donner Pass region; along Pacific Crest Trail south of Donner Pass, ca. 0.5 air mile SE of SE end of Lake Mary. 2287 Comment
  CDA15974  Perideridia bolanderi G. F. Hrusa, J. Glazner 1999-7-17 15129 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET11153843  Perideridia gairdneri subsp. borealis L. R. Miller 1933-8-27 2492 Placer Long Lake. Comment
  CHSC74181  Perideridia lemmonii Susi Urie 1998-9-2 98 -211 Placer Below Hwy 28, between the highway and lake Forest Road; about 0.2 mi north of Lake Tahoe. [Lat./long. on label is '39 11 N; 120 7 W']. 1908 Comment
  CHSC74183  Perideridia lemmonii Susi Urie 1998-8-27 98 -120 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. [Lat./long. on label is '39 9 N; 120 10 30 W']. 2121 Comment
  RSA751291  Perideridia lemmonii George K. Helmkamp, E. Helmkamp 2008-8-20 14032 Placer Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek 2107 Comment
  UC1436542  Perideridia lemmonii Arnold Tiehm Apr 1977 s. n. Placer Goose Meadow, Lake Tahoe Comment
  CHSC74185  Perideridia parishii subsp. latifolia Susie Urie; Eric Schroder 1998-9-8 98 -281 Placer On north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCD42830  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 196 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CAS-BOT-BC418935  Persicaria lapathifolia E. R. Blakley 1960-9-3 3818 Placer King's Beach, Lake Tahoe 1903 Comment
  SD254688  Persicaria punctata George K Helmkamp, Elizabeth Helmkamp 2012-10-30 20091 Placer Sacramento Valley: South Dowd Road, 0.1 mile south of its junction with Moore Road, SW of Lincoln (Pleasant Grove 7.5'Q) 34 Comment
  UC1563726  Petrorhagia dubia Barbara Ertter with David Thompson 1989-4-8 8158 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); near entrance Auburn State Recreation Area 518 Comment
  SEINET12558102 Image available Petrorhagia dubia Barbara Ertter, David Thompson 1989-1 8187 Placer Auburn-Forest Hill Road 6.2 mi SW of Spring Garden Road jct., on NW side of road, ca 8 airmiles NE of Auburn 610 Comment
  UCD120499  Phacelia hastata subsp. compacta Tamara Kan 1992-6-17 s.n. Placer Near ridge on east slope of Silver Peak. 2499 Comment
  CDA15918  Phacelia hastata subsp. hastata G. F. Hrusa, J. Glazner 1999-7-17 15137 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  SEINET5764677  Phacelia hastata var. compacta M. J. Williams 1985-7-6 85- 63 -5 Placer Pacific Crest Trail between old and new Donner Summits. Sierra Nevada. Comment
  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
  UC1208873  Phacelia heterophylla subsp. virgata G. T. Nordstrom 1934-6-22 154 Placer Mammoth Springs Tahoe National Forest, Colfax Quadrangle Comment
  UC1055962  Phacelia heterophylla subsp. virgata Edw. L. Greene 1895-7-28 Placer s Truckee; Washoe Mts. Comment
  JEPS126286  Phacelia humilis var. humilis Steve Matson 1998-6-21 254 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 100 meters north of Highway 267. Comment
  UCD74138  Phacelia humilis var. humilis Jennifer W. Burt 2005-7-11 118 Placer Powder Bowl' abandoned ski area (South of Alpine Meadow Road off Hwy 89 near Alpine Meadows) - collected from center of an abandoned ski run. 1986 Comment
  JEPS1195  Phacelia marcescens M. E. Jones 1882-6-27 3294 Placer Emigrant Gap Comment
  UC660091  Phacelia marcescens G. L. Stebbins Jr. 1940-6-9 3036 Placer 1 mi w Cisco; South Fork Yuba River Comment
  UCD120564  Phacelia marcescens G. L. Stebbins 1977-7-8 7761 Placer East side of McKinistry Peak. 2316 Comment
  SEINET4560778  Phacelia mutabilis George K. Helmkamp, E. A. Helmkemp 2011-1 18175 Placer Northern Sierra Nevada Mountains: Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2060 Comment
  UC1035539  Phacelia mutabilis Kay H. Beach 1941-8-20 1601 Placer roadside on U.S. 40 about 3 mi e Emigrant Gap; Sierra Nevada Mountains Comment
  UCD120663  Phacelia quickii G. L. Stebbins 1977-7-9 7763 Placer Along trail from McKinistry Lake to Rubicon River. 1706 Comment
  JEPS126292  Phacelia racemosa Steve Matson 2003-9-6 1042 Placer nSNH; Truckee river Watershed SW of Truckee; Squaw Valley; Shirley Canyon; along Granite Chief trail to PCT. Comment
  CHSC40977  Phacelia stebbinsii J. D. Jokerst 1984-6-20 2062 Placer Scattered on moss-covered bedrock outcrops that describe a very subtle spur ridge that descends into the canyon of Big Grizzly Cr. Several hundred feet below low mountain top that looks into both the Big Grizzly Cr and Rubicon River canyons. 1112 Comment
  UCD120686  Phacelia stebbinsii G. L. Stebbins 1977-7-1 7732 Placer Above Middle Fork, American River, near Last Chance. 1341 Comment
  CHSC114270  Phalaris arundinacea R. Robison 2011-8-19 Placer Tahoe City; Gatekeeper's Museum, adjacent to dam near Truckee River outflow. Comment
  SEINET4691147  Phalaris arundinacea W. D. Billings 1951-7-15 2125 Placer Truckee River near Rampart, 2 miles west of Tahoe City 1859 Comment
  CAS-BOT-BC259075  Phalaris lemmonii L. R. Abrams 1935-4-20 13685 Placer Roseville Comment
  CHSC83153  Philadelphus lewisii Renee Shahrok 1986-6-24 22 Placer 14 mi. west of Big Tree Park turn-off, Mosquito Ridge Rd. 731 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
  UCD132716  Philadelphus lewisii Ramona Robison 2012-6-21 s.n. Placer Auburn State Recreation Area, along banks of Lake Clementine. 219 Comment
  UCD15415  Philadelphus lewisii N. L. Leman 1973-5-27 217 Placer California, Placer Co.; ca. 9.2 mi E of Foresthill, on the way to Placer Co. Big Trees Grove; Comment
  UCD89314  Phleum alpinum Mrs. H. P. Kelley 1915-6-18 s.n. Placer Squaw Valley. Comment
  SACT001748  Phleum pratense D. Meyer 1984-8-4 Placer Very wet roadside ditch hillside seeping water, shady. 1454.0 Comment
  SACT001751  Phleum pratense D. Meyer 1983-7-16 Placer 1624.0 Comment
  UCD44700  Phleum pratense C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2066 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCR171034  Phleum pratense George K. Helmkamp, E. A. Helmkamp 2005-9-30 9957 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  JEPS71462  Phlox diffusa Gladys L. Smith 1972-6-20 3213 Placer Ward Peak 2621 Comment
  UC702937  Phlox gracilis Lewis S. Rose 1941-7-8 41292 Placer Chambers Lodge (McKinney) Lake Tahoe 1920 Comment
  UC856742  Phoenicaulis cheiranthoides Alice Eastwood Jun 15 1912-Jun 19 1912 367 Placer Lake Tahoe Region, Deer Park Deer Park; Lake Tahoe Region, Deer Park Comment
  UC1078887  Phoradendron juniperinum Job Kuijt 1957-8-9 1408 Placer near Immigrant Gap (1. mi. e. of Nevada-Placer Co. line) Comment
  CDA22384  Phoradendron macrophyllum J. C. Henderson 1969-2-26 Placer H. Nakae property, Newcastle-Lincoln Highway, Newcastle. 0 Comment
  CAS-BOT-BC58832  Phyllodoce breweri Elizabeth Parsons Hawver 1911-8-19 s.n. Placer Lake Tahoe - upper meadow, Madden Creek Meadows Comment
  UC480738  Phyllodoce breweri W. C. Blasdale 1923-7-19 Placer Ellis Peak; Yosemite National Park, Ellis Peak Comment
  SEINET7270713  Phyllodoce breweri W. D. Billings 1951-8-21 2151 Placer Sierra Nevada, east side of Granite Chief 2621 Comment
  CAS-BOT-BC78206  Pinus albicaulis John H. Thomas; Hazelle A. Thomas 1956-7-21 6150 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento; Sierra Nevada 2377 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
  CAS-BOT-BC78463  Pinus contorta subsp. murrayana Baki Kasapligil 1974-10-6 4912 Placer Soda Springs, Sugar Bowl 1828 Comment
  UCD133235  Pinus lambertiana Beecher Crampton 1970-11-10 8652 Placer Nyack. 1524 Comment
  UCD23233  Pinus lambertiana Beth Lowe Corbin 1982-8-20 394 Placer 1 mile northwest of Onion Creek campground. 2072 Comment
  SEINET3875087  Pinus sabiniana James K. Detling 1963-4-10 48 Placer 1 mile from Auburn on Highway 49.; 0 381 Comment
  UCR218239  Piperia elongata George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16440 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.3 miles SE of its junction with Canyon Way in Colfax 418 Comment
  HSC82272  Plagiobothrys austiniae Thomas W. Nelson, Jane P. Nelson 1979-4-11 4598 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  HSC82625  Plagiobothrys austiniae Thomas W. Nelson, Jane P. Nelson 1979-4-11 4608 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  POM260091  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer 1 mile west of Baxter Comment
  SBBG28848  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer ca. 1 mi W of Baxter Comment
  JEPS126364  Plagiobothrys cognatus Steve Matson 1997-7-5 34 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Wildlife Area; 50 yards north of Highway 267 and 20 yards west of Martis Creek. Comment
  CAS-BOT-BC230952  Plagiobothrys hispidulus A. A. Heller 1917-8-12 12877 Placer Southern Pacific reservoir W of Emigrant Gap, the flat about the pond Comment
  UC1618221  Plagiobothrys nothofulvus Barbara Ertter with David Thompson 1989-4-8 8151 Placer Iowa Creek Rd. ca. 2 mi. from I-80 near entrance to Aubrun State Recreation Area (at creek crossing) 518 Comment
  SD43625  Plagiobothrys nothofulvus Darley F. Howe 1948-5-20 1839 Placer 456 Comment
  SDSU5444  Plagiobothrys nothofulvus unknown 1948-5-20 1839 Placer 457 Comment
  RSA39949  Plagiobothrys scouleri var. hispidulus J. T. Howell 1943-7-19 18581 Placer Summit Valley Comment
  SEINET8665624  Plantago erecta A. Tiehm, H. Mozingo, M. Williams, E. McPherson 1975-1 616 Placer One mile North of Lincoln. Comment
  RSA388850  Plantago lanceolata Jon Schroeder 1975-5-24 66 Placer Spring Garden Road, just off of Auburn-Forest Hill Road. Comment
  CHSC81805  Plantago major Lowell Ahart 2001-10-10 9337 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  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
  JEPS111212  Platanthera leucostachys Steve Matson 2005-7-4 1374 Placer Martis Valley, southeast of Truckee, National Recreation Area , south of Highway 267 and south of Martis Creek and west of Northstar subdivision; along fenceline; 39.2866 N, 120.1401 W: elevation 5,900 ft. 1798 Comment
  POM107753  Platanthera leucostachys Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  SD243048  Platanthera leucostachys George K. Helmkamp, E. A. Helmkamp 2010-8-14 16793 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 mmiles south of its junction with Foresthill Road and just south of a creek crossing. 1552 Comment
  UC13512  Platanthera leucostachys C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  SEINET5340050  Platystemon californicus P. A. Lehenbauer 1937-4-11 s.n. Placer Near Lincoln. Comment
  JEPS86721  Pleuricospora fimbriolata Ray Butler, Bob Allard 1987-8-14 Placer Alpine Meadows, Bear Creek Trail off John Scott Road 2057 Comment
  SEINET7236701  Pleuricospora fimbriolata M. J. Williams 1984-6-24 84- 62 -3 Placer Skillman Flat Campground, near Highway 20 1341 Comment
  UCR235693  Poa George K. Helmkamp, E. A. Helmkamp 2012-5-5 18918 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  UCR270687  Poa John F. Emmel 1998-7-9 1575 Placer Sierra Nevada Mountains, Donner Pass area, south peak of Mt. Judah 2513 Comment
  HSC10629  Poa annua L. M. Malloy 1965-4-11 23 Placer 5 mi. S of Auburn, 0.5 mi. E of Scott's Corner on County Rd. P. 58 Comment
  CAS-BOT-BC254756  Poa bolanderi John Thomas Howell 1943-7-22 18711 Placer Summit Valley Comment
  CDA12420  Poa bolanderi G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8549 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  SACT001806  Poa bolanderi D. Meyer 1983-10-22 Placer Searchlight ski run from base to Olympic Lady chairlift. 2121.0 Comment
  UCD90547  Poa bolanderi A. A. Heller 1917-6-17 12701 Placer Along the Yuba River. Below Cisco. 1676 Comment
  UCD90682  Poa bulbosa Walter H. Johnson 1961-4-4 s.n. Placer 3 miles E of Lincoln. Comment
  SACT001824  Poa canbyi Michael Baad 1983-6-27 Placer 1570.6 Comment
  POM112614  Poa compressa Marcus E. Jones 1882-7-3 s.n. Placer Alta Comment
  SACT001830  Poa compressa D. Meyer 1984-8-26 Placer 1818.0 Comment
  SACT001833  Poa compressa D. Meyer 1983-7-16 Placer 1212.0 Comment
  UCD34881  Poa compressa Beecher Crampton 1964-7-9 7111 Placer Placer County, Emigrant Gap, Hwy. 40. 1615 Comment
  UCR146918  Poa compressa Beecher Crampton 1964-7-9 7111 Placer Sierra Nevada Mountains, Emigrant Gap, Hwy 40 1616 Comment
  CAS-BOT-BC255051  Poa compressa Beecher Crampton 1956-7-17 3722 Placer Along the railroad at Blue Canyon 1432 Comment
  UCD22228  Poa fendleriana subsp. longiligula Beth Lowe Corbin 1982-8-18 370 Placer 5/6 mile SW of The Cedars. Common. Full sun. In rocky, sandy, granitic soil of montane chaparral. Perennial forming moderately small bunches. Culms purplish. 1844 Comment
  SACT001847  Poa gracillima Michael Baad 1983-7-10 Placer 19.52 km from Emigrant Gap along road to Helester Point, open rocky slope to left of road. 1524.0 Comment
  SACT001875  Poa nervosa D. Meyer 1984-8-26 Placer 1818.0 Comment
  CHSC74343  Poa palustris Susi Urie 1998-8-13 98 -038 Placer Lake Tahoe Basin-National Forest. Meadow along he south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD38668  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Blue Canyon. 1432 Comment
  UCR146858  Poa palustris Beecher Crampton 1956-7-17 3727 Placer Sierra Nevada Mountains, 0.75 mile west of Blue Canyon 1433 Comment
  SACT001904  Poa pratensis Michael Baad 1983-7-23 Placer 1/8 mile west of Highway 89 1828.0 Comment
  SACT001918  Poa pratensis D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT001929  Poa pratensis D. Meyer 1984-9-9 Placer Collected at east fork of north fork of north fork of american river 1394.0 Comment
  SEINET10959569  Poa pratensis John Thomas Howell 1943-7-19 Howell 18567 Placer Summit Valley 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
  CHSC74346  Poa pratensis subsp. pratensis Susi Urie 1998-9-2 98 222 A 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
  UC1132748  Poa pratensis subsp. pratensis H. S. Yates 1934-6-29 Placer near Brockway; Truckee Quadrangle Comment
  SEINET10888254  Poa sandbergii A. Arthur Heller 1917-6-19 Heller 12728 Placer Dry gravelly ridge, Emigrant Gap, in the yellow pine belt. 1615 Comment
  SACT001968  Poa scabrella Michael Baad 1977-6-1 Placer Bea croft Trail to the North Fork of the American River, Douglas Fir Forest and Huckleberry Oak at openings, north-facing slope. Comment
  SACT001971  Poa scabrella Michael Baad 1977-6-1 Placer Bea croft Trail to the North Fork of the American River, open rocky meadows. Comment
  SACT001986  Poa scabrella Michael Baad 1983-4-17 Placer 4 miles south of I80 411.48 Comment
  SACT001989  Poa scabrella Michael Baad 1977-6-8 Placer 3.2 km northeast of Brushy Springs Station, ridge northeast of center of crater area. Overlooking the south rim of the Middle Fork of the American River. 1219.2 Comment
  POM113760  Poa secunda Marcus E. Jones 1882-6-28 11384 Placer Emigrant Gap. Comment
  RSA264628  Poa secunda C. F. Sonne 1888-07 s.n. Placer Truckee Comment
  SACT002010  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  CAS-BOT-BC242957  Poa secunda subsp. secunda Marcus E. Jones 1882-6-28 11384 Placer Emigrant Gap Comment
  JEPS70662  Poa secunda subsp. secunda Leland S. Smith 1925-6-27 1652 Placer Balckwood Canyon, also Ward Creek Balckwood Canyon; Tahoe Forest 1920 Comment
  UC1132787  Poa secunda subsp. secunda B. Bolt 1934-7-3 70 Placer top of Sawtooth Ridge; Colfax Quadrangle Comment
  UCD91623  Poa secunda subsp. secunda A. A. Heller 1917-6-19 12728 Placer Along the Lincoln Highway about a mile above Emigrant Gap. Comment
  CAS-BOT-BC539302  Poa sierrae G. Ledyard Stebbins 1968-4-7 6671 Placer Mosquito Ridge, E of Forest Hill, along road, 2.7 mi NE of turnoff to PG&E dam and powerhouse 975 Comment
  SACT002013  Poa tenerrima Josephine Van Ess 1980-4-15 Placer Collected on hill south of parking area about 1.25 mile east of highway 49. Moist hillside slope in serpentine. 414.6 Comment
  RSA0022183  Pogogyne zizyphoroides Carl B. Wolf 1937-5-12 8616 Placer Sacramento Valley, 1 mi N of Lincoln 46 Comment
  UCD125424  Pogogyne zizyphoroides James D. Jokerst 1986-4-14 2623 Placer Johnson Ranch, north of Douglas Road, and east of Highway 80. Comment
  UCD43942  Polemonium occidentale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1308 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCR240903  Polygala cornuta var. cornuta George K. Helmkamp, E. A. Helmkamp 2012-6-19 19216 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  UC1334172  Polygonum californicum Thomas Morley 1946-9-28 817 Placer 1 1/2 mi nne Alta (near electric pole line) 1188 Comment
  JEPS111302  Polygonum davisiae Steve Matson 2005-7-30 1419 Placer Squaw Valley ski area, 1 km WSW of High Camp (top of tramway): 39.1937 N, 120.2647 W; elevation 8,100 ft. 2468 Comment
  CDA25024  Polygonum douglasii J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCD43238  Polygonum douglasii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 607 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC849976  Polygonum douglasii subsp. douglasii A. A. Heller 1916-8-13 12910 Placer Summit hotel 2133 Comment
  UC1101141  Polygonum lapathifolium Malcolm A. Nobs and S. Galen Smith 1949-8-21 1505 Placer marsh between Sandy Beach and Agate Bay (n end of lake); Lake Tahoe Comment
  UC849102  Polygonum phytolaccifolium A. A. Heller 1917-8-14 12934 Placer s Summit Valley; Mt. Lincoln 2438 Comment
  CAS-BOT-BC420037  Polygonum polygaloides subsp. kelloggii John H. Thomas; Hazelle A. Thomas 1956-7-21 6180 A Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CHSC74247  Polygonum polygaloides subsp. kelloggii Susi Urie 1998-9-4 98 -255 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow complex on the north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  UC1191257  Polygonum punctatum Malcolm A. Nobs and S. Galen Smith 1949-8-22 1540 Placer Roseville; stream at sw city limits Comment
  UCD21933  Polygonum shastense Beth Lowe Corbin 1982-8-4 237 Placer 1 1/2 mile NNW of Onion Creek campground. In rocky, fine, sandy soil on subalpine talus slope. Spreading perennial. White calyx. East facing slope, 40% incline. Full sun. Uncommon. 2286 Comment
  RSA0039074  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20367 Placer Yankee Jim Road, 2.4 miles east of its junction with Canyon Way, 2.5 mi. ENE (78 ) of Weimar 512 Comment
  RSA0047901  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20372 Placer Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  UCD81186  Polypodium calirhiza William Haley 2009-4-6 s.n. Placer Stevens Trail near Colfax. 597 Comment
  UCR250652  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20372 Placer Northern Sierra Nevada Mtns Foothills, Iowa Hill Road, 1.8 miles west of the bridge over North Fork American River, 0.6 mi. (airline) east of I-80 at Colfax 544 Comment
  SACT001574  Polypogon australis D. Meyer 1984-8-4 Placer moist shady roadside 1358.0 Comment
  SACT002030  Polypogon monspeliensis D. Meyer 1983-5-15 Placer Moist roadside ditch next to cultivated field. 19.812 Comment
  SACT002033  Polypogon monspeliensis D. Meyer 1984-8-12 Placer 16km from French Meadows, dry roadside. 1612.0 Comment
  CAS-BOT-BC76757  Polystichum imbricans subsp. imbricans Fay A. Mac Fadden 1933-7-11 10946 Placer Canyon Creek, Monte Sita Inn Comment
  POM212165  Populus trichocarpa Carl B. Wolf 1931-9-11 2422 Placer near creek, 7 miles below summit of Donner Pass, W slope of Sierra Nevada 1829 Comment
  UCD22303  Populus trichocarpa Rex Palmer 1979-5-27 N 55 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET10972537  Porterella carnosula F. W. Hunnewell 1921-7-17 Hunnewell 8087 Placer Comment
  CHSC74738  Potamogeton gramineus Susi Urie 1998-8-26 98 -107 Placer Lake Tahoe Basin-National Forest. Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. Large meadow complex. 2121 Comment
  UCD43859  Potentilla C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-7 1225 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC142030  Potentilla drummondii Peter Rubtzoff 1976-9-19 8865 Placer Lake Van Norden, meadow adjacent to the east end of lake - Sierra Nevada 2063 Comment
  CDA25013  Potentilla glandulosa J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  UCR173257  Potentilla glandulosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10445 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along an unnamed road to Lake Clementine, 1.2 mi. N of Forest Hill Road 422 Comment
  CDA11990  Potentilla glandulosa subsp. glandulosa G. F. Hrusa 1995-5-2 12171 Placer Sierra Nevada; 1 km. east of Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  CHSC79355  Potentilla glandulosa subsp. reflexa Beecher Crampton 1972-6-20 8827 Placer Upslope from Bear Valley, State Hwy 20. 1402 Comment
  CHSC85747  Potentilla gracilis G. F. Hrusa; J. Glazner 1999-7-17 15174 Placer Martis Valley. Off Hwy 267, S of Truckee. Lower part of drainage. 1889 Comment
  UCD22273  Potentilla gracilis Rex Palmer 1979-7-10 N 511 Placer Headwaters basin area of the North Fork of the American River. Comment
  SEINET11261737  Potentilla gracilis var. fastigiata George Helmkamp, E. A. Helmkamp 2011-7-26 17895 Placer Northern Sierra Nevada Mountains: Bowman Lake Road, .9 mile north of its junction with CA Hwy 20, .85 mi. NE (231/4) of emigrant Gap and N of I-80 (Blue canyon 7.5' Q); 0 1434 Comment
  CAS-BOT-BC540396  Potentilla gracilis var. fastigiata C. F. Sonne 1886-7-4 77 Placer Sierra Nevada, old logging camp on Truckee River Comment
  CAS-BOT-BC540399  Potentilla gracilis var. fastigiata Margaret Williams 1974-8-8 74 -P1-22 Placer Sierra Nevada, Murphy's Meadow, 5 miles SE of Hirschdale 2316 Comment
  SEINET6637148  Potentilla gracilis var. fastigiata M. J. Williams 1985-7-6 85- 61 -2 Placer [Sierra Nevada] Near old Donner Summit, south of Lake Mary Comment
  SEINET6637150  Potentilla gracilis var. fastigiata P. B. Kennedy, Samuel Bradford Doten 1901-8-18 410 Placer Talbots Home Camp, 7 mi from French Meadows Comment
  UC14226  Potentilla gracilis var. fastigiata Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe, Cascade Comment
  CHSC117467  Potentilla rivalis B. Castro; Jessica Boyt 2013-9-11 1998 Placer Northern High Sierra Nevada. Plumas National Forest;W edge of Frenchman Lake, at boat ramp NW of 'Lunker Point' site on maps. 1703 Comment
  JEPS126258  Primula jeffreyi Steve Matson 2002-5-26 525 Placer North Shore; Tahoe Vista; Snow Creek Watershed. Comment
  CAS-BOT-BC64620  Primula suffrutescens Alice Eastwood 1909-1-1 307 Placer Wards Pass, between Ward Peak and Twin Peak; Deer Park, Lake Tahoe Region. Comment
  JEPS72484  Primula suffrutescens Gladys L. Smith 1972-8-25 3426 Placer n face Granite Chief; n face of Granite Chief 2621 Comment
  SEINET8565301  Primula suffrutescens W. D. Billings 1950-7-30 1914 Placer Sierra Nevada, NE side of Squaw Peak. 2560 Comment
  UC197214  Primula suffrutescens C. F. Sonne 1897-8-14 Placer e slope Mt. Anderson; Sierra Nevada, e slope Mt. Anderson 2438 Comment
  UCR231856  Prunella vulgaris var. lanceolata George K. Helmkamp, E. A. Helmkamp 2010-8-11 16763 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  CAS-BOT-BC159732  Prunus andersonii Elizabeth Parsons Hawver 1911-8-20 s.n. Placer Lakeside, Lake Tahoe Region Comment
  CAS-BOT-BC163052  Prunus emarginata L. R. Abrams 1917-9-16 6763 Placer Emigrant Gap Comment
  CAS-BOT-BC163058  Prunus emarginata A. A. Heller 1917-6-17 12708 Placer Near the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC32677  Prunus emarginata Marcus Eugene Jones 1882-6-28 2693 Placer Emigrant Gap Comment
  CHSC79356  Prunus emarginata Beecher Crampton 1975-9-9 9270 Placer Tahoe National Forest, 1.2 miles N. E. of Blue Canyon post office. 1524 Comment
  JEPS127446  Prunus emarginata Steve Matson 1998-6-24 287 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach. Comment
  LA208082  Prunus emarginata Carl B. Wolf; 1930-10-11 sn Placer 4 mi. W. of Emigrant Pass 1523 Comment
  POM89355  Prunus emarginata I. E. Diehl 1902-7-7 s.n. Placer Colfax Comment
  SD235010  Prunus emarginata G. K. Helmkamp, E. A Helmkamp 2008-8-20 14028 Placer Northern Sierra Nevada Mountains: Donner Pass Road on the west side of Donner Pass and East of Norden (Norden 7.5' Q) 2149 Comment
  CAS-BOT-BC154644  Prunus subcordata W. R. Dudley 1909-8-1 s.n. Placer Vicinity Dutch Flat Comment
  CAS-BOT-BC151205  Prunus virginiana var. demissa Baki Kasapligil 1974-10-6 4911 Placer Soda Springs, Sugar Bowl 1828 Comment
  JEPS55236  Pseudognaphalium californicum Lewis S. Rose 1967-6-14 67137 Placer Penryn 182 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
  UCR241738  Pseudognaphalium canescens subsp. beneolens George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19805 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  UCR200868  Pseudognaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2008-9-15 14108 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  UCR241353  Pseudognaphalium canescens subsp. thermale George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19810 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
  CAS-BOT-BC357342  Pseudognaphalium microcephalum R. F. Hoover 1967-9-5 10825 Placer Cornelian Bay, Lake Tahoe Comment
  SACT002063  Pseudosasa japonica Josephine Van Ess 1976-9-22 Placer Collected in vicinity of 2120 Bald Hill Road. Wet Roadside ditch. 365.8 Comment
  CHSC43333  Pseudotsuga menziesii var. menziesii Lowell Ahart 1973-3-29 189 Placer Near Volcano Canyon, east of Foresthill. 1371 Comment
  JEPS48285  Pseudotsuga menziesii var. menziesii L. S. Smith 1914-8-1 Placer Cisco Comment
  JEPS82164  Psilocarphus brevissimus var. brevissimus Wilma Follette 1978-7-12 Placer Page Meadows 1981 Comment
  SEINET12528640 Image available Pterospora andromedea A. P. Kelley 1925-1 833 Placer Tahoe Tavern. Comment
  SEINET7236803  Pterospora andromedea K. Thorne, J. Chandler 1987-6-26 5414 Placer CA Hwy 27, 3.2 miles S of Brockway Summit. Comment
  SEINET7238994  Pterospora andromedea P. Lehenbauer 1929-8-15 2545 Placer [Sierra Nevada] Carnelian Bay 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
  CDA15660  Purshia tridentata G. F. Hrusa, J. Glazner 1999-7-18 15199 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UC861227  Purshia tridentata Lewis S. Rose 1940-6-1 40445 Placer Donner Lake 1813 Comment
  UC412731  Pyrola picta J. A. DeCow 1900-8-5 454 Placer Tahoe, McKinneys Tahoe; , McKinneys Comment
  CAS-BOT-BC104262  Quercus X morehus R. R. Miller 1959-5-1 s.n. Placer N side of highway, just off shoulder, ca. 1/4 mile E of the Monte Vista cutoff on US Highway 40, ca. 6 miles E of Auburn Comment
  UCD47001  Quercus X morehus Enid A. Larson; D. Giuliani 1970-11-23 s.n. Placer (Q. wislizenii A. DC. X Q. kelloggii Newb.). Lower Grays Meadow, Independence Creek, southwest of Independence, Inyo County, California. Comment
  SACT002614  Quercus chrysolepis Michael Baad 1976-8-4 Placer Collected on shores of lakes and northwest facing slope of Mildred Ridge Comment
  SACT002620  Quercus chrysolepis Michael Baad 1977-4-13 Placer 0.2 mile north of I80 Highway on Placer Hills Road to Meadow Vista, ecotone between pine forest and chaparral. 502.92 Comment
  SACT002623  Quercus chrysolepis J. Severaid 1959-8-14 Placer Old Foresthill Road Comment
  SBBG25329  Quercus chrysolepis R. A. Christison 1960-5-8 64 Placer jct of St Hwy 49 and Forest Hill turnoff 91 Comment
  UCD45600  Quercus chrysolepis Beth Lowe Corbin 1982-8-11 318 Placer 1 2/3 miles SW of Onion Creek campground. Elevation 6250 ft. 1905 Comment
  CDA20383  Quercus chrysolepis var. chrysolepis P. Akers 2002-4-14 s.n. Placer Northern California; Ponderosa Way, S of Weimar. 0 Comment
  SACT002707  Quercus vacciniifolia Michael Baad 1977-6-2 Placer Collected at trail head descending to North Fork of American River from south. 2 km northeast of Westville and north of Forest Hill Divide Road 853.0 Comment
  UC614911  Quercus vacciniifolia Beryl O. Schreiber 1934-7-4 1186 Placer 6 mi e Lookout Comment
  CAS-BOT-BC104991  Quercus wislizeni Miss. A. Eastwood 1894-9-1 s.n. Placer Newcastle Comment
  SEINET10437807  Quercus wislizeni H. R. Holbo 1961-3-31 s.n. Placer North Fork of American River. 610 Comment
  UCD83641  Raillardella argentea Albert Grigarick 2009-9-10 194 Placer Squaw Creek Resort, approx. in middle of Emigrant Lift. 2526 Comment
  CAS-BOT-BC379469  Ranunculus alismifolius Peter Rubtzoff; Edward W. Colson 1976-7-7 8730 -A Placer Lake Van Norden, moist meadow on east side of lake 2063 Comment
  CAS-BOT-BC379391  Ranunculus alismifolius var. hartwegii Anna Head 1921-6-12 s.n. Placer Feather River Region, Lake Independence 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-BC379436  Ranunculus alismifolius var. hartwegii C. F. Sonne 1886-6-13 327 Placer Sierra Nevada Mts., Prosser Creek near Truckee Comment
  CAS-BOT-BC379440  Ranunculus alismifolius var. hartwegii Lillian S. Mott 1968-4-28 1968 Placer Bear Valley Comment
  CAS-BOT-BC379442  Ranunculus alismifolius var. hartwegii Gordon H. True 1972-4-4 7094 Placer Boca-Stampede Dam Road, 5.2 mi north of Boca 1768 Comment
  CAS-BOT-BC378964  Ranunculus bonariensis John Thomas Howell; Gordon H. True 1972-3-17 7082 Placer northern outskirts of Lincoln 49 Comment
  SBBG128854  Ranunculus bonariensis var. trisepalus G. K. Helmkamp, E. A. Helmkamp 2011-5-12 17253 Placer S of Lincoln along Athens Ave, 1.6 mi E of Fiddyment Rd, 0.6 mi W of Industrial Ave 41 Comment
  UCR233039  Ranunculus bonariensis var. trisepalus George K. Helmkamp, E. A. Helmkamp 2011-5-12 17253 Placer Southern Sacramento Valley, south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  SEINET5338466  Ranunculus canus A. Urrutia 1960-3-19 s.n. Placer North Fork American River, 3-mi. South of Auburn, Highway 49 457 Comment
  CDA24320  Ranunculus cymbalaria var. saximontanus G. D. Barbe 1977-7-2 2286 Placer At shore of shallow arm of Martis Creek Lake, Day Use area, south of Truckee-Tahoe airport. Comment
  SD44658  Ranunculus hebecarpus Darley F. Howe 1951-5-1 2101 Placer Placer Co. 456 Comment
  SD237580  Ranunculus hystriculus G. K. Helmkamp, E. A. Helmkamp 2009-5-7 14630 Placer Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill (Michigan Bluff 7.5'Q) 771 Comment
  UC217467  Ranunculus muricatus H. M. Hall 1917-5-9 10292 Placer just n Lincoln (small gulch); Sacramento Valley Comment
  UCR197991  Ranunculus muricatus Beecher Crampton 1953-4-21 1117 Placer Sacramento Valley, Sunnybrook Farms, 2 mi north of Lincoln 41 Comment
  CHSC81547  Ranunculus occidentalis D. Tellefson 2000-4-23 Placer Shockley Woods, Shockley Rd, Auburn. 400 Comment
  SD239889  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-5 18934 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road (Georgetown 7.5'Q) 779 Comment
  UCD15161  Ranunculus occidentalis Phyllis Adams 1982-4-20 4 Placer Placer Co.; near the town of Auburn, in the American River Canyon; 457 Comment
  UCR207887  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2009-4-22 14569 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCR235423  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-5-11 18956 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.7 miles north of its junction with Forest Hill Road 1041 Comment
  SEINET210456  Ranunculus occidentalis var. eisenii C. L. Hitchcock 1940-5-7 6312 Placer Ca 1 mi W of Baxter Comment
  UC1551905  Ranunculus orthorhynchus var. orthorhynchus Lyman Benson 1948-7-17 12924 Placer Cisco Grove Sierra Nevada Mt. Range, Sacramento Area Drainage Area, S. F 1798 Comment
  UCD44729  Ranunculus orthorhynchus var. orthorhynchus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2095 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UC838062  Ranunculus uncinatus Marcus E. Jones, A. M. 1882-6-28 3308 Placer Emigrant Gap Comment
  UCR253815  Raphanus raphanistrum George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20100 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  SEINET11526778  Raphanus raphanistrum Vetter 1955-4-23 8 Placer 0.5 mile W of Loomis. Comment
  UCD115182  Raphanus sativus G. K. Helmkamp; E. A. Helmkamp 2006-2-9 10062 Placer Northern Central Valley, Clark Tunnel Road and CA Highway 193, East of Lincoln. 113 Comment
  JEPS41947  Rhamnus alnifolia C. F. Sonne 1886-6 44 Placer road to Tahoe; Sierra Nevada Mountains, road to Tahoe Comment
  RSA0049597  Rhamnus alnifolia Dean Wm. Taylor 2013-8-7 21400 Placer Coldstream Valley, meadow complex on the south canyon rim of the valley 2034 Comment
  UC870819  Rhamnus ilicifolia C. L. Hitchcock 1940-5-14 6371 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  UCR190921  Rhamnus rubra George K. Helmkamp, E. A. Helmkamp 2007-5-23 12068 Placer Northern Sierra Nevada Mountains, Sugar Pine road, 0.2 mile northwest of Forest Hill Road 1360 Comment
  SEINET13946367 Image available Rhamnus rubra A. A. Heller 1917-1 12736 Placer Dry gravelly ridge, Emigrant Gap, elevation 5300 ft 1615 Comment
  CDA15825  Rhamnus rubra subsp. rubra G. F. Hrusa, L. Serafini 1993-6-29 11261 Placer Duncan Creek approx. 5 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of French Meadows Reservoir. Comment
  UC1121762  Rhamnus tomentella subsp. tomentella N. French, R. Clar 1933-6-2 64 Placer near Clipper Gap; Sacramento Quad. 609 Comment
  UC870786  Rhamnus tomentella subsp. tomentella Marcus E. Jones, A. M. 1882-7-4 Placer Colfax Comment
  UC372853  Rhododendron occidentale Marcus E. Jones, A. M. 1882-6-25 Placer Emigrant Gap Comment
  JEPS46317  Ribes L. S. Smith 1928-7-21 2495 Placer Deer Park Tahoe Forest (along stream) 1950 Comment
  CAS-BOT-BC108691  Ribes cereum Posey; Bethel 1920-6-5 s.n. Placer Tahoe. Comment
  UCD102139  Ribes cereum Christine Patino 1976-5-31 29 Placer 1 mile northeast of Tahoe City near Highway 28 on Lake Forest Road. Comment
  RSA0026921  Ribes cereum Marcus E. Jones 1900-7-26 s.n. Placer Donner P.O. Summit, Sierra Nevada Mts. 2561 Comment
  CDA12418  Ribes cereum var. cereum G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8546 Ab Placer Lake Tahoe; W end of Ward Valley, 4 mi SW of Tahoe City. Comment
  UC11585  Ribes lasianthum C. F. Sonne July 1887 Placer Mts. on Truckee River; Sierra Nevada Mountains Comment
  UCD22356  Ribes lasianthum Rex Palmer 1979-6-21 N 360 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS127481  Ribes nevadense Steve Matson 1998-8-21 384 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork Snow Creek; bog at western terminus of Tiger Ave dirt extension. Comment
  SCFS11529120  Ribes nevadense E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying stream bed. Comment
  UC921833  Ribes nevadense Lewis S. Rose 1940-6-1 40450 Placer 3 mi nw Tahoe City; Truckee River 1889 Comment
  UC921847  Ribes nevadense A. A. Heller 1917-6-17 12725 Placer Cisco 1828 Comment
  SJSU10511  Ribes roezlii R. L. Fisher 1959-6-26 Placer Yuba Gap on Hwy 40 1676 Comment
  CAS-BOT-BC186201  Ribes roezlii var. roezlii Geo. B. Grant 1906-7-15 6977 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC186210  Ribes roezlii var. roezlii Alice Eastwood 1922-4-6 11119 Placer 3 miles above Colfax near the road Comment
  CAS-BOT-BC186212  Ribes roezlii var. roezlii D. E. Breedlove 1962-6-13 3542 Placer On steep bank of Truckee River, 7.0 miles south of Truckee; Sierra Nevada 1828 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-BC362921  Rigiopappus leptocladus L. S. Smith 1932-5-11 2649 Placer Tahoe National Forest. Along Forest Hill road 457 Comment
  UCR259870  Robinia pseudoacacia George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22468 Placer Sacramento Valley, West Wise Road just east of the junction with California Lane, north of Lincoln 56 Comment
  CAS-BOT-BC74621  Rorippa curvisiliqua Peter Rubtzoff 1976-9-19 8863 Placer Sierra Nevada. Lake Van Norden. Adjacent to the east end of lake. 2063 Comment
  CAS-BOT-BC74624  Rorippa curvisiliqua Gladys L. Smith 1977-6-16 4670 Placer Goose Meadow, Route 89, between Tahoe City and Truckee. 1828 Comment
  UC170073  Rorippa palustris Miss Helen D. Geis 1912-6 198 Placer Truckee River at lake outlet Comment
  SBBG70532  Rosa bridgesii M. N. Ackley -Jun-1925 964 Placer Dutch Flat 1033 Comment
  UCR231870  Rosa californica George K. Helmkamp, E. A. Helmkamp 2010-10-16 17026 Placer Northern Sierra Nevada Mountains Foothills, along Forest Route 24 at Parker Flat and beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine Reservoir dam 1180 Comment
  CDA3961  Rosa canina T. C. Fuller, H. K. Wagnon 1964-5-18 11981 Placer W side of Dutch Flat Rd., 0.8 mi. S of Dutch Flat P.O. 0 Comment
  SEINET7665701  Rosa pisocarpa subsp. ahartii L. R. Miller 1934-7-8 s.n. Placer Cisco Comment
  UCD17686  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 74 Placer California. Placer County: growing under railroad bridge at junction of highways in Auburn. Comment
  UC861652  Rubus glaucifolius Marcus E. Jones, A. M. 1882-6-28 3309 Placer Emigrant Gap Comment
  SD243197  Rubus laciniatus George K. Helmkamp, E. A. Helmkamp 2010-8-11 16752 Placer Northern Sierra Nevada Mountains: Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek. 1085 Comment
  UCR231851  Rubus laciniatus George K. Helmkamp, E. A. Helmkamp 2010-8-11 16752 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 1.2 miles north of Forest Hill Road, at the crossing of Mill Creek 1085 Comment
  CHSC9515  Rubus parviflorus J. F. Goodwin 1971-7-10 154 Placer 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 1981 Comment
  SEINET7707026  Rubus ursinus Vetter 1955-4-23 27 Placer 2 miles East of Loomis 274 Comment
  CAS-BOT-BC363203  Rudbeckia occidentalis Brandegee No date on label s.n. Placer Blue Canon [Canyon] Comment
  CAS-BOT-BC363205  Rudbeckia occidentalis Vincent Jones 1919-7-7 s.n. Placer Ridge above Bear Valley Comment
  RSA0026096  Rumex John F. Emmel 1988-7-21 1113 Placer Sierra Nevada, Donner Pass area; along dirt road at north end of Lake Mary. 2159 Comment
  CDA2876  Rumex acetosella G. M. Cole 1928-5-2 Placer Near Auburn. 0 Comment
  RSA715287  Rumex acetosella George K. Helmkamp 2005-9-30 9941 Placer Northern High Sierra Mtns: Hampshire Rocks Road S of the I80 Rainbow exit (2 miles E of Cisco Grove) 1805 Comment
  UCR240968  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2012-9-25 19920 Placer Northern Sierra Nevada Mountains, Laing Road, parallel to I-80; 0.2 mile east of its junction with Emigrant Gap Road 1611 Comment
  CAS-BOT-BC422030  Rumex acetosella Peter H. Raven 1950-6-26 2413 Placer Baxter's 1219 Comment
  CAS-BOT-BC422032  Rumex acetosella John Thomas Howell; Gordon H. True 1972-3-17 7084 Placer Northern outskirts of Lincoln 48 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-BC434299  Rumex triangulivalvis A. A. Heller 1917-6-19 12734 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC267083  Sagittaria Brighton C. Cain 1925-8-15 6 Placer 2 miles S of Auburn at Wise Power House Comment
  UCD138054  Sagittaria latifolia Malcolm A. Nobs; Herbert L. Mason 1948-10-2 701 Placer 1/2 mile east of South Dos Palos. Comment
  CAS-BOT-BC103557  Salix eastwoodiae W. R. Dudley 1900-6-14 5105 Placer Valley northeast of Lake Mary, near Summit Comment
  CAS-BOT-BC103561  Salix eastwoodiae W. R. Dudley 1900-6-1 5350 Placer Head of Independence Lake Comment
  CAS-BOT-BC103600  Salix eastwoodiae W. R. Dudley 1900-6-1 5354 Placer between head of Independence Lake and Mt. Lola Comment
  CAS-BOT-BC103602  Salix eastwoodiae Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe region Comment
  CAS-BOT-BC103608  Salix eastwoodiae W. R. Dudley 1900-6-15 5124 Placer on flat northeast of Lake Mary Comment
  CAS-BOT-BC103611  Salix eastwoodiae W. R. Dudley 1900-6-14 5119 Placer In valley northwest of Lake Mary 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-BC106952  Salix laevigata Gordon H. True 1971-5-26 6537 Placer northern limits of Lincoln 48 Comment
  CDA16978  Salix laevigata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16032 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  CAS-BOT-BC125291  Salix lasiandra var. lasiandra L. S. Smith 1931-5-22 2 Placer Tahoe National Forest, French Meadows 1828 Comment
  CHSC13651  Salix lasiolepis E. L. Smith 1971-7-17 990 Placer At King's Beach. 1903 Comment
  UCD124130  Salix lasiolepis Ellen Dean; Marcel Rejmanek 2012-10-9 7504 Placer Along Mosquito Ridge Road, ca. six road miles E of junction with Foresthill Road, north side of Mosquito Ridge Road, opposite very large turnout and next to dirt road that heads upslope. 617 Comment
  CAS-BOT-BC128474  Salix lasiolepis var. lasiolepis Alice Eastwood 1922-4-6 11125 Placer Colfax Comment
  CAS-BOT-BC124754  Salix lemmonii W. R. Dudley 1900-6-14 5065 Placer Between Donner Lake and Summit on loop grade Comment
  CAS-BOT-BC124756  Salix lemmonii W. R. Dudley 1900-6-14 5093 Placer East of hotel at Summit Comment
  CAS-BOT-BC124777  Salix lemmonii W. R. Dudley 1900-6-14 5123 a Placer Flat north of Lake Mary, near Summit Comment
  CAS-BOT-BC124785  Salix lemmonii Gordon H. True 1965-5-18 1905 Placer Deer Creek trib. to Truckee River just below Squaw Valley, near confluence with Truckee River 1859 Comment
  RSA28796  Salix lemmonii A. A. Heller 1917-6-17 12688 Placer Along the Yuba River below Cisco. 1677 Comment
  CAS-BOT-BC125100  Salix ligulifolia Helen La Plant 1964-6-1 s.n. Placer Ward Creek near Lake Tahoe Comment
  CAS-BOT-BC128231  Salix lucida A. A. Heller 1917-6-17 12720 Placer Low, grassy places along the Yuba River below Cisco 1676 Comment
  UC449846  Salix melanopsis L. S. Smith 1931-5-22 5 Placer along American R. French Meadows; Tahoe Nat'l Forest, American R., French Meadows 1828 Comment
  UCD44429  Salix orestera C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1795 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44642  Salix orestera C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2008 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC129087  Salix scouleriana Gordon H. True 1968-7-10 4366 Placer Hwy. 20 between Yuba Gap and Bear Valley, 1 mile east of Lake Bowman Rd. 1554 Comment
  SDSU9458  Salix scouleriana D. F. Howe 1948-5-22 1821 Placer 1219 Comment
  UCR229555  Sambucus mexicana George K. Helmkamp, E. A. Helmkamp 2011-7-26 17902 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  RSA531310  Sambucus microbotrys W. Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4545 Placer Squaw Valley beyond upper cable car station. on SW slope below a rocky summit. Comment
  UCD44485  Sambucus racemosa var. microbotrys C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1851 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  JEPS13384  Sambucus racemosa var. microbotrys C. F. Sonne 1886-7-5 127 Placer <at Lakes near summit> Sierra Nevada Mts. 2194 Comment
  CAS-BOT-BC235189  Sambucus racemosa var. racemosa A. A. Heller 1916-8-13 12903 Placer Summit hotel 2133 Comment
  CAS-BOT-BC235195  Sambucus racemosa var. racemosa A. A. Heller 1916-8-13 12903 Placer Summit hotel 2133 Comment
  CDA15934  Sanguisorba annua G. F. Hrusa, J. Glazner 1999-7-17 15160 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UCR233184B  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2011-7-9 17673 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  JEPS127549  Sanguisorba officinalis Steve Matson 2000-7-6 467 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, north of Hwy 267, along east Martis Creek. Comment
  UCR232633  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 1567 Comment
  UCD21631  Sanicula Rex Palmer 1979-6-9 N 153 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21632  Sanicula Rex Palmer 1979-6-9 N 153 Placer Headwaters basin area of the North Fork of the American River. Mount Lincoln. 2438 Comment
  SD239555  Sanicula bipinnata George K. Helmkamp, E. A. Helmkamp 2012-5-5 18933 Placer Northern Sierra Nevada Mountains Foothills: Todd Valley Road, 1.2 miles south of its junction with Foresthill Road (Georgetown 7.5'Q) 779 Comment
  CAS-BOT-BC223278  Sanicula bipinnatifida Kate E. Phelps 1937-5-28 s.n. Placer Applegate Comment
  UC420483  Sanicula bipinnatifida C. F. Sonne 1891-5-17 1465 Placer Colfax Comment
  SDSU2334  Sanicula bipinnatifida var. flava unknown 1951-5-1 2103 Placer 457 Comment
  CHSC57341  Sanicula crassicaulis W. Schierenberg 1988-3-28 6 Placer Ca. 1.5 km e of Rocklin, 100 m n of Dry Creek. 71 Comment
  RSA471495  Sanicula tuberosa F. G. Mart 1934-03 12451 Placer Dutch Flat Comment
  UCD117994  Sarcodes sanguinea C. J. W. 1913-7-2 162 Placer Emigrant Gap. Comment
  UC585093  Saxifraga aprica E. B. Babcock, G. L. Stebbins Jr. 1936-6-2 1584 Placer about 3 mi e of Emigrant Gap (between main road and Nevada City Road) 1767 Comment
  JEPS82986  Saxifraga californica G. L. Stebbins 1970-4-4 6989 Placer 1/2 mi e of crossing of North Fork (American River, Shirttail Canyon, on road from Colfax to Forest Hill); American River, Shirttail Canyon 457 Comment
  UCR250648  Saxifraga californica George K. Helmkamp, Mary Alice Barnes 2013-4-18 20376 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
  POM92826  Saxifraga californica Marcus E. Jones 1882-7-1 3587 Placer Emigrant Gap. Comment
  CAS-BOT-BC436889  Saxifraga mertensiana Marcus E. Jones 1882-7-1 3588 Placer Emigrant Gap Comment
  UC115054  Saxifraga odontoloma C. F. Sonne 1897-8-14 Placer canyon above Coldstream; Sierra Nevada Mountains Comment
  JEPS47491  Saxifraga tolmiei C. F. Sonne 1888-8-12 92 Placer Tinker's Knob; Sierra Nevada Mountains, Tinker's Knob 2590 Comment
  SD243064  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2011-4-10 17138 Placer Saacramento Valley: east of Sheridan just north of the junction of North Kilaga Springs Road and Kilaga Springs Road. 98 Comment
  RSA0101548  Sceptridium multifidum Winslow 1910-08 s.n. Placer Lake Tahoe. [El Dorado or Placer County] 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
  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
  UCD42859  Scirpus congdonii C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 226 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD44575  Scirpus congdonii C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1941 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CDA3394  Scleranthus annuus G. D. Barbe 1985-7-15 4239 Placer Meadow Vista Community Park, 10 miles east of Auburn. 0 Comment
  UC1563887  Scleranthus annuus subsp. annuus Barbara Ertter with David Thompson 1989-4-8 8162 Placer Iowa Creek Road ca 2 mi from I-80 (near entrance to Auburn State Recreation Area, at creek crossing); near entrance Auburn State Recreation Area 518 Comment
  UCD98504  Scleranthus annuus subsp. annuus G. D. Barbe 1985-7-15 4238 Placer 10 miles east of Auburn, 1 mile northeast of Meadow Vista on Placer Hills Road. Comment
  UC767432  Scrophularia californica R. F. Hoover 1939-5-10 4088 Placer 2 mi e Lincoln Comment
  UC565457  Scutellaria californica Herbert L. Mason 1929-10-4 5458 Placer 1 mi above Cisco Comment
  UCD22073  Scutellaria californica Rex Palmer 1979-7-25 N 677 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD38473  Scutellaria californica Beecher Crampton 1955-6-15 2868 Placer Head of Bunch Canyon. Comment
  UC148967  Scutellaria californica H. M. Hall 1910-6-25 8720 Placer Rattlesnake Creek; Sierra Nevada Mountains, Rattlesnake Creek 1767 Comment
  UCD102044  Sedum obtusatum Beth Lowe Corbin 1982-8-10 299 Placer 1.25 miles WNW of Onion Creek Campground. 1981 Comment
  JEPS124761 Image available Sedum obtusatum Stamps 1967-7-12 56 Placer High in a crevice on a granite cliff, about 100 yards north of Highway 40. 2.5 mi west of Kingvale. Comment
  SEINET8552381  Sedum oreganum subsp. oreganum P. B. Kennedy 1901-8-21 424 Placer Middle Fork of American River. Comment
  CAS-BOT-BC62095  Selaginella hansenii G. Ledyard Stebbins 1969-11-30 6979 Placer West side of American River Canyon on road from Colfax to Iowa Hill 457 Comment
  CAS-BOT-BC62211  Selaginella watsonii Grant 1906-8-2 7144 Placer Glen Alpine, Lake Tahoe Comment
  CAS-BOT-BC363250  Senecio Saichi Kawahara 1969-5-24 878 Placer East of cabin, Mel Henderson Ranch, east bank of Indian Creek Comment
  CAS-BOT-BC363909  Senecio integerrimus var. exaltatus Alice Eastwood 1912-6-15 418 Placer Five-lakes [Five Lakes], Lake Tahoe Region Comment
  CAS-BOT-BC363906  Senecio integerrimus var. exaltatus Alice Eastwood 1906-7-23 894 Placer Glen Alpine Region. Near Lily Lake Comment
  JEPS28864  Senecio integerrimus var. exaltatus J. R. Sweeney 1962-6-22 2646 Placer 2 mi e Tahoe City (n shore of Lake Tahoe); Lake Tahoe Comment
  CAS-BOT-BC363997  Senecio integerrimus var. major L. S. Smith 1926-5-25 1848 Placer Tahoe National Forest. Mosquito Ridge near Greek Store [Greekstore] 1676 Comment
  JEPS126410  Senecio triangularis Steve Matson 1998-7-28 364 Placer Tahoe north shore Watershed, Tahoe Vista/Kings Beach; dirt road extension of North Ave. at junction with west Fork of Snow Creek. Comment
  UC147620  Senecio triangularis Harriet A. Walker 1908-6-24 1287 Placer Blue Canyon 1432 Comment
  UCR231843  Senecio triangularis George K. Helmkamp, E. A. Helmkamp 2010-8-14 16795 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
  UCD135238  Sequoiadendron giganteum Dennis Chang 1973-5-27 s.n. Placer Placer County Grove Sierra Redwoods, 1 mile south of Mosquito Ridge Road, 25 miles east of Foresthill. 1676 Comment
  UCD135241  Sequoiadendron giganteum G. F. Hrusa; K. van Katwyk 1995-5-20 12191 a Placer Sierra Nevada, in Placer Redwood Grove, northernmost grove of Sequoiadendron. 1800 Comment
  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
  SEINET9323577  Sericocarpus oregonensis subsp. californicus Unknown 1975-9-9 9280 Placer Placer Comment
  CDA19924  Sesbania punicea R. Simon 2002-6-17 PDR P 087232 Placer Sierra Nevada; Miner's Ravine Park 0 Comment
  UCD147094  Sesbania punicea Chuck Hughes 2013-5-14 378 Placer Southern margin of Camp Far West Reservoir. 95 Comment
  CAS-BOT-BC243535  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Southeast corner Newcastle Road and Brenner Road, Newcastle Comment
  HSC33342  Setaria faberi K. Stark, William J. Ferlatte 1974-11-11 1677 Placer Near Penryn on Taylor Rd. 0.5 mi. E of Sicley Rd. 137 Comment
  UCR129369  Setaria faberi G. D. Barbe 1974-11-26 1984 Placer Sacramento Valley, southeast corner of Newcastle Road and Brenner [Brennans] Rd., Newcastle 226 Comment
  CDA37687  Setaria faberi Breckenridge 2004-6-2 s.n. Placer Loomis, along Taylor Road. 0 Comment
  UCD92827  Setaria viridis var. major G. Douglas Barbe 1974-11-26 1985 Placer along Barton Road at Eureka Road, northwest corner, east of Roseville. Comment
  CDA15654  Sidalcea asprella G. F. Hrusa, J. Glazner 1999-7-18 15189 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  UC1124961  Sidalcea glaucescens B. Bolt 1934-7-17 143 Placer 0.5 mi s Lost Emigrant Mine; Tahoe National Forest, Truckee Quad. 2072 Comment
  UC112806  Sidalcea glaucescens Katharine Brandegee 1908-7-15 Placer Donner, Summit Station Donner; , Summit Station Comment
  UC128214  Sidalcea glaucescens Miss Harriet A. Walker 1908-7-25 1388 Placer Cisco 1810 Comment
  UCR170803  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2005-9-30 9947 Placer Northern Sierra Nevada Mtns., Junction of Chalet and Alpine Meadows Roads west of Calif. Highway 89 (near Alpine ski area) 2081 Comment
  UC148998  Sidalcea glaucescens H. M. Hall 1910-7-11 8758 Placer along Yuba River (Old Cisco); Sierra Nevada Mountains, along Yuba River, Old Cisco 1737 Comment
  RSA21277  Sidalcea hartwegii Carl B. Wolf 1937-5-12 8620 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  SD44647  Sidalcea hartwegii Darley F. Howe 1951-5-2 2107 Placer 4.0 miles north of Auburn. 456 Comment
  UCD15658  Sidalcea malviflora Jessica Le 1989-6-3 19 Placer Out of Colfax city, onto Rd 174. 609 Comment
  UC871466  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1940-5-7 6338 Placer ca 1 mi w Baxter; w of Baxter Comment
  UCD43308  Sidalcea oregana subsp. hydrophila C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 676 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 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
  CDA13684  Sidalcea oregana subsp. oregana G. F. Hrusa, J. Glazner 1997-8-3 14044 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  POM61902  Sidalcea oregana subsp. spicata George B. Grant 1906-6-25 7072 Placer Lake Tahoe. Comment
  UCD43090  Sidalcea oregana subsp. spicata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 458 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR189630  Sidalcea oregana subsp. spicata George K. Helmkamp, E. A. Helmkamp 2007-7-27 12639 Placer Northern Sierra Nevada Mountains, 0.1 mile south of the Rainbow exit from Interstate-80, 0.5 miles east of Rainbow 1790 Comment
  OBI48959  Sidalcea reptans Lewis S. Rose 1937-7-29 37614 Placer Tahoe Vista 1905 Comment
  SCFS1230  Silene E. Krimmel 2014-6-26 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook. Comment
  CAS-BOT-BC249052  Silene douglasii George K. Helmkamp; E. A. Helmkamp 2010-8-14 16772 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  CDA19496  Silene gallica M. I. Wibawa 2002-5-27 272 Placer Sacramento Valley; American River bike trail to Folsom Lake State Recreation Area. 0 Comment
  UC1511353  Silene invisa Charlotte Pyle and G. L. Stebbins 1979-7-31 Placer between Soda Springs and Lyons Peak (on North Fork American River); North Fork American River, btw Soda Springs and Lyons Peak 2072 Comment
  UCD150316  Silene invisa James A. Neilson Jr. 1970-7-22 1626 Placer Tahoe Basin, Lower Ward Creek, Section 15. 2011 Comment
  CAS-BOT-BC388988  Silene laciniata subsp. californica Saichi Kawahara 1969-7-6 1456 Placer Mel Henderson Ranch 987 Comment
  CHSC10828  Silene lemmonii Lowell Ahart 1969-7-30 Placer Handy Camp, French Meadows. 1524 Comment
  UCR191109  Silene lemmonii George K. Helmkamp, E. A. Helmkamp 2007-6-12 12318 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  CAS-BOT-BC389497  Silene menziesii Alice Eastwood 1909-1-1 106 Placer Lake Tahoe Region. Ward Creek Comment
  UCR250175  Silene vulgaris George K. Helmkamp, Mary Alice Barnes 2013-5-3 20462 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  SD81040  Sisymbrium altissimum Darley F. Howe 1971-7-3 Placer Truckee 2000 Comment
  UC845024  Sisyrinchium bellum C. L. Hitchcock 1940-5-7 6340 Placer 1 mi w of Baxter Comment
  CDA19548  Sisyrinchium elmeri M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 237 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  SCFS1025  Sisyrinchium idahoense E. Krimmel 2014-7-5 Placer Meadow below the Cedars. Comment
  SACT002102  Sitanion hystrix Michael Baad 1976-8-4 Placer Collected amoung rocks and in gravel beside creek, white fir forest with openings. 1975.0 Comment
  SACT002211  Sitanion hystrix Michael Baad 1976-8-7 Placer 1 mile west of trailhead to Bear Lake to trailhead along road to Rubicon Springs from Lake Tahoe. 2316.48 Comment
  SACT002231  Sitanion hystrix D. Meyer 1984-7-8 Placer Roadside 1758.0 Comment
  SACT002251  Sitanion jubatum D. Meyer 1980-5-24 Placer 1212.0 Comment
  UCR249594  Smilacina racemosa George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20818 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  CDA5942  Solanum dimidiatum T. C. Fuller 1968-7-22 17406 Placer 221 Elm Street, Roseville. 0 Comment
  UC1613935  Solanum umbelliferum Charles M. Belshaw 1935-6-8 1002 Placer between Colfax and Gold Run (near Baxter's Hotel, w side of Sierra Nevada); Sierra Nevada Comment
  UC579834  Solanum umbelliferum Annetta Carter 1937-4-25 1250 Placer about 6 mi se of Loomis (on the road from Folsom to Auburn) Comment
  RSA122319  Solidago canadensis subsp. elongata B. Bolt 1934-8-22 186 Placer Grayhorse Flat, west of Lake Tahoe. 1982 Comment
  CAS-BOT-BC365507  Solidago elongata A. A. Heller 1917-8-15 12938 Placer Soda Springs Station, lower end of Summit Valley 2042 Comment
  CAS-BOT-BC365114  Solidago velutina subsp. californica Mrs. C. E. Miller 1919-1-1 s.n. Placer McKinneys, Lake Tahoe Comment
  CDA36903  Sonchus asper CDFA Staff 1995-6-12 s.n. Placer Dry Creek. 0 Comment
  UC567090  Sorbus californica N. French 1934-6-13 408 Placer Lock Leven Lake 2042 Comment
  UCR253816  Sorghum halepense George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20099 Placer Sacramento Valley, South Dowd Road, 0.1 mile south of its junction with Moore Road, southwest of Lincoln 34 Comment
  SCFS11529160  Sparganium angustifolium E. Krimmel, F. Felix 2014-8-7 Placer Seasonal pool Comment
  CDA777  Sparganium emersum subsp. emersum G. D. Barbe 1977-7-2 2285 Placer Along the shore of Martis Creek Lake, Day Use Area south of Truckee-Tahoe Airport. Comment
  CDA4266  Spartium junceum W. Wilson 1958-3-11 153 -58 Placer Near Loomis. 0 Comment
  UCR206358  Spergula arvensis subsp. arvensis George K. Helmkamp, E. A. Helmkamp 2009-3-11 14385 Placer Sacramento Valley, Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  CAS-BOT-BC390059  Spergularia W. A. Gosline; A. R. Gosline 1943-6-26 s.n. Placer Norden Comment
  CHSC81777  Spergularia rubra Lowell Ahart 2001-10-10 9363 Placer French Meadows Reservoir, near the boat or trail access area on the northwest side of the reservoir, about 1 mile southwest of the bridge across the Middle Fork of the American River, about 2 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1594 Comment
  CAS-BOT-BC390675  Spergularia rubra G. B. Rossbach; R. P. Rossbach 1938-7-23 658 Placer From Pass above Donner Lake, near the Nevada and Placer Co. line 2164 Comment
  UCD44520  Sphenosciadium capitellatum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1886 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC152532  Spiraea splendens Alice Eastwood 1909-7-1 97 Placer Sunnyside Comment
  CDA15824  Spiraea splendens G. F. Hrusa, L. Serafini 1993-6-29 11260 Placer Duncan Creek approx. 100 meters upstream from Mosquito Ridge Rd. bridge crossing, & 1 mile N of french Meadows Reservoior. Comment
  CDA16035  Spiraea splendens G. F. Hrusa, J. Glazner 2000-9-3 15678 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  UCD34057  Sporobolus cryptandrus Beecher Crampton 1975-10-14 9330 Placer Emigrant Gap area on Interstate Hwy. 80 just E of Vista Point. 1524 Comment
  UCD93129  Sporobolus cryptandrus Beecher Crampton 1968-9-18 8384 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 Comment
  UC416739  Stachys ajugoides var. rigida Katharine Brandegee Aug. 1911 Placer Tahoe Tavern Comment
  CAS-BOT-BC391174  Stellaria longipes subsp. longipes Alice Eastwood 1909-1-1 36 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC391176  Stellaria longipes subsp. longipes John H. Thomas; Hazelle A. Thomas 1956-7-21 6221 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  UCD43249  Stellaria longipes var. longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 618 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43941  Stellaria longipes var. longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1307 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CDA37056  Stellaria media CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  CAS-BOT-BC398277  Stellaria umbellata John Thomas Howell 1943-7-22 18701 Placer Summit Valley Comment
  CAS-BOT-BC375008  Stenotus acaulis L. S. Smith 1928-7-18 2483 Placer Tahoe National Forest. Ward Peak 2438 Comment
  POM51448  Stenotus acaulis Herbert McLean Evans 1920-7-22 s.n. Placer Ralston Ridge. Sierra Nevada. Comment
  SACT002312  Stipa californica D. Meyer 1984-8-4 Placer 9.6 km north of Hell Hole, overlooking French Meadows. 1879.0 Comment
  SACT002325  Stipa californica D. Meyer 1984-9-23 Placer Dry rocky summit of north-facing slope. 2109.0 Comment
  UCR209730  Stipa californica 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
  SACT002362  Stipa lemmonii Michael Baad 1976-6-17 Placer Collected on flood plain at Royale Gorge- Wabena Creek to Wildcat Canyon. Comment
  RSA790858  Stipa lettermanii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18959 Placer Finning Mill Road, 4 mi north of Forest Hill Road and at the junction with Hollow Logging Road. 1140 Comment
  SEINET10603900  Stipa lettermanii Unknown 1886-1 Anonymous 12889 Placer Summit Station in open places in coarse granite sand, upper limit of the yellow pine belt. 2121 Comment
  SEINET8080227  Stipa occidentalis var. californica P. B. Kennedy, S. B. Doten 1901-7-23 215 Placer Near Lincoln Valley. Comment
  CAS-BOT-BC87413  Streptanthus polygaloides Saichi Kawahara 1969-7-6 1474 Placer On Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest. 1139 Comment
  CAS-BOT-BC87416  Streptanthus polygaloides Rimo Bacigalupi 1952-7-20 3875 Placer Tahoe National Forest. Just south of Shirttail Creek. 6 miles east of Iowa Hill. 1112 Comment
  RSA584109  Streptanthus polygaloides Saichi Kawahara 1969-7-6 1474 Placer On Finning Mill Road just south of Sugar Pine Road. Tahoe National Forest 1139 Comment
  CAS-BOT-BC87762  Streptanthus tortuosus A. A. Heller 1917-6-17 12690 Placer Near the Yuba River below Cisco. 1676 Comment
  CAS-BOT-BC87767  Streptanthus tortuosus John H. Thomas; Hazelle A. Thomas 1956-7-21 6109 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  CDA15757  Streptanthus tortuosus G. F. Hrusa, L. Serafini 1993-6-29 11251 Placer S side of French Meadows Reservoir, immed. below dam. Comment
  UCR226134  Streptanthus tortuosus Ellen Dean, M. Starbuck, Gordon Harrington, Jennifer J. Buck, Mark Bibbo, J. Poloske, T. Sasaki 2008-7-19 5164 Placer Donner State Park, newly acquired lands to the southwest of Donner Lake, along Emigrant Trail on the north side of the north fork of Cold Creek, south side of trail between creek and trail 2138 Comment
  SEINET4891941  Streptanthus tortuosus P. B. Kennedy, S. B. Doten 1901-8-15 291 Placer Talbots Home Camp, 7 miles from French Meadows. Comment
  UC1126980  Streptanthus tortuosus var. orbiculatus N. French 1934-6-22 467 Placer Serena Lake Tahoe National Forest, Truckee Quadrangle Comment
  POM68139  Symphoricarpos acutus Marcus E. Jones 1882-6-27 3292 Placer Emigrant Gap. Comment
  CAS-BOT-BC215296  Symphoricarpos mollis C. F. Sonne 1886-7-18 s.n. Placer Truckee River, Sierra Nevada Comment
  CAS-BOT-BC237004  Symphoricarpos mollis John Thomas Howell 1943-7-25 18812 Placer West side of Donner Pass near Norden 2133 Comment
  UCD137429  Symphoricarpos mollis Beecher Crampton 1955-6-15 2879 Placer Bunch Canyon. Comment
  SEINET8061724  Symphoricarpos mollis P. A. Lehenbauer 1932-9-11 s.n. Placer Lake Tahoe, Carnelian Bay. Comment
  CAS-BOT-BC245737  Symphoricarpos rotundifolius Elizabeth Parsons Hawver 1911-7-20 s.n. Placer Ward Creek, Lake Tahoe Region Comment
  UCD69248  Symphyotrichum bracteolatum D. Sanchez-Mata 1997-8-9 Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. 1500 Comment
  CAS-BOT-BC98481  Symphyotrichum spathulatum C. G. Pringle 1884-9-1 s.n. Placer Summit Valley, Sierra Nevada Mts. Comment
  JEPS126314  Symphyotrichum spathulatum Steve Matson 1997-7-6 46 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; along dirt road western extension of North Ave. Comment
  UC892972  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit Valley 2118 Comment
  UCD136628  Symphyotrichum spathulatum Daryl Koutnik; Thomas Lanini, Thomas Wainwright 1978-10-19 s.n. Placer On western shore of Lake Tahoe. 1889 Comment
  UCD136650  Symphyotrichum spathulatum G. K. Helmkamp; E. A. Helmkamp 2007-8-1 12643 Placer Northern Sierra Nevada Mountains. Donner Pass Road between Donner and Norden, about 0.2 mile E of the Nevada County border. 2151 Comment
  CHSC73928  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-17 98 -050 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74201  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-26 98 -114 Placer Eastern end of Page Meadows; about 1.5 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CHSC74203  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-9-4 98 -265 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CHSC74353  Symphyotrichum spathulatum var. spathulatum Susi Urie; Eric Schroder 1998-9-10 98 -317 Placer Antone meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  OBI16991  Symphyotrichum spathulatum var. yosemitanum Robert F. Hoover 1967-9-6 10848 Placer Kings Beach, Lake Tahoe Comment
  SEINET5344495  Taeniatherum caput-medusae J. Wright, Johnnie Michael Wright 2000-3-27 s.n. Placer From Interstate 80 West, Reno to Sacramento, take the Lincoln exit. Plants were picked from the pullout at the exit on the north side of the freeway. Taeniatherum found on both sides. 91 Comment
  CAS-BOT-BC376788  Tanacetum parthenium John Thomas Howell 1974-7-12 50608 Placer Emigrant Gap 1615 Comment
  CDA19565  Taraxacum officinale M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 221 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
  SEINET10319545 Image available Taraxacum officinale G. K. Helmkamp, Helmkamp, E. A. 2009-5-11 14657 Placer Sierra Nevada Mountains Foothills; junction of Forest Hill Road and Chicken Hawk Road, northeast of the city of Foresthill (Michigan Bluff 7.5' Q. [Quadrangle]) 1338 Comment
  UCD43038  Taraxacum officinale C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 407 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44669  Taraxacum officinale C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2035 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC85265  Taxus brevifolia W. R. Dudley 1909-7-1 s.n. Placer Dutch Flat Comment
  UC477531  Thalictrum fendleri L. S. Smith 1931-6-3 2555 Placer Robertson Flat Tahoe Nat. Forest 2133 Comment
  CAS-BOT-BC392398  Thalictrum fendleri Geo. B. Grant 1905-7-15 7008 Placer Tahoe Tavern, Lake Tahoe Comment
  CAS-BOT-BC392402  Thalictrum fendleri Fay A. Mac Fadden 1934-7-26 12862 Placer Red Mt. Comment
  JEPS126413  Thlaspi arvense Steve Matson 2002-6-29 538 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; on east side of pond near Highway 28. Comment
  SBBG45226  Thysanocarpus curvipes Leota Davidson 1966-5-3 416 Placer mtn side of Eldorado County line bridge, near Auburn Comment
  SEINET12437282  Thysanocarpus curvipes J. J. Murray 1965-3-15 s.n. Placer Auburn. Comment
  UC188139  Thysanocarpus curvipes C. F. Sonne 1891-4-5 Placer hillsides below Auburn; below Auburn Comment
  SD44634  Thysanocarpus radians Darley F. Howe 1951-5-1 Placer 455 Comment
  JEPS54221  Thysanocarpus radians Alice King Jun 1920 Placer Del Paso Park Roseville Comment
  UCD21726  Tiarella trifoliata var. unifoliata Robin McMaster 1972-6-6 118 Placer Lake Spaulding. Comment
  RSA779397  Torilis arvensis George K. Helmkamp, Amy Barnes 2009-7-12 15189 Placer along Todd Valley Road, 0.1 mile south of its junction with Foresthill Road, c. 13 air miles NE of Auburn 854 Comment
  UCR173264A  Torilis arvensis George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10427 A Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  MACF014987  Torreya californica Faye. A. McFadden 1934-7-2 12718 Placer American River, 1 mi. east of Rawhide Mine; Placer County Comment
Read comments
Oct 17 2016
  SACT002422  Torreyochloa erecta D. Meyer 1984-9-23 Placer Very wet rocky creek bed. 2121.0 Comment
  UCD43331  Torreyochloa pallida var. pauciflora C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 699 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UCD43934  Torreyochloa pallida var. pauciflora C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1300 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD93221  Torreyochloa pallida var. pauciflora C. G. Pringle 1882-9-23 s.n. Placer Summit Valley, Sierra Nevada Mountains. 2438 Comment
  SEINET10876041  Torreyochloa pallida var. pauciflora A. Arthur Heller 1917-8-13 Heller 12881 Placer Summit valley, Pinus Murravana the principal tree, the soil granite 2118 Comment
  CAS-BOT-BC172899  Toxicodendron diversilobum J. M. Ogawa 1952-5-8 s.n. Placer North of Loomis 121 Comment
  UCD117029  Toxicodendron diversilobum Thomas Morley 1946-5-30 594 Placer Northeast of the Masonic Cemetery, Dutch Flat. 1005 Comment
  UCSB25993  Toxicodendron diversilobum Morley, Thomas 1946-5-30 Placer Northeast of the Masonic Cemetery, Dutch Flat 1005 Comment
  SCFS11529150  Toxicoscordion venenosum E. Krimmel 2014-6-26 Placer In seep beside road at Cedars driveway Comment
  UC1980550  Tragopogon dubius C. Rose Broome, Crissie Cagle 1978-8-3 2310 Placer Laing Rd. (frontage rd. to Rancho Sierra Inn) just S of I-80 at Emigrant Gap exit. Comment
  UC26040  Trichostema lanceolatum G. P. Rixford Aug 1896 Placer Comment
  CDA15935  Trichostema oblongum G. F. Hrusa, J. Glazner 1999-7-17 15158 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  POM70270  Trichostema oblongum Marcus E. Jones 1982-6-30 s.n. Placer Emigrant Gap. Comment
  UC380647  Trichostema oblongum Marcus E. Jones 1882-6-30 2831 Placer Emigrant Gap Comment
  UCD108260  Trifolium ciliolatum Beecher Crampton 1955-6-17 2924 Placer 10.5 miles W of Forest Hill. Comment
  CHSC74091  Trifolium cyathiferum Susi Urie 1998-8-11 98 -005 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  OBI78204  Trifolium cyathiferum Lewis S. Rose 1940-6-1 40447 Placer Truckee River, 10 mi N of Tahoe City 1829 Comment
  UC1585951  Trifolium depauperatum var. depauperatum Barbara Ertter with David Thompson 1989-4-9 8186 Placer 6.2 mi sw Spring Garden Rd (Auburn-Forest Hill Rd, ca 8 air mi ne of Auburn) Comment
  CHSC96466  Trifolium dubium Lowell Ahart; Brian Williams 2007-4-13 13667 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  OBI82141  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20488 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  SD243144  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2011-4-10 17152 Placer Sacremaento Valley: along Riosa Road at the east edge of the village of Sheridan (Lincoln 7.5'Q) 41 Comment
  UCD108820  Trifolium dubium Al Franklin 1987-5-1 87 -10 Placer 1.3 miles east of I-80, on Foresthill Road, just outside Auburn. 396 Comment
  UCR190668  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2007-5-23 12077 Placer Northern Sierra Nevada Mountains Foothills, junction of Iowa Hill Road and Finning Mill Road (U. S. F. S. Rd #10) in the Sugar Pine Recreation area 1137 Comment
  UCR250636  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  UCR257603  Trifolium dubium George K. Helmkamp, Amy Barnes 2014-3-21 22636 Placer Sacramento Valley, Riosa Road at the east side of its junction with CA-65, just west of Sheridan 33 Comment
  SEINET7413854  Trifolium gracilentum A. Allen 1950-4-29 15 Placer 2 miles east of Roseville on highway 40 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
  UCR250064  Trifolium hirtum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20472 Placer Foothills, northern Sierra Nevada Mountains, Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  CDA15685  Trifolium hybridum G. F. Hrusa, J. Glazner 1999-7-18 15235 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Small colony, 1889 Comment
  RSA755332  Trifolium incarnatum George K. Helmkamp, E. A. Helmkamp 2009-4-22 14572 Placer Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  SEINET7072696  Trifolium incarnatum A. G. Vestal 1963-5-6 s.n. Placer North of Loomis and southeast of Lincoln on Sierra College Blvd. [Humphrey Road]. UTM Zone 10, 654588E, 43033126mN. Coordinate datum: NAD 27. Comment
  NY802658  Trifolium kingii var. productum H. A. Walker 1910-6-26 1310 Placer Cisco 1811 Comment
  UCD43889  Trifolium longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1255 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CDA15987  Trifolium longipes subsp. elmeri G. F. Hrusa, J. Glazner 1999-7-17 15167 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC630808  Trifolium longipes var. hansenii A. A. Heller 1909-7-16 9860 Placer Summit 2133 Comment
  UC16587  Trifolium longipes var. hansenii C. F. Sonne July 1887 Placer Truckee Sierra Nevada Mtns Comment
  CHSC96465  Trifolium microcephalum Lowell Ahart; Brian Williams 2007-4-13 13646 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
  UCD111456  Trifolium microcephalum R. Tofsrud 1951-7-11 s.n. Placer Cisco Grove. Comment
  CHSC82587  Trifolium monanthum subsp. parvum Lowell Ahart 2002-7-22 9887 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
  UC149006  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-1 8740 Placer Cisco Sierra Nevada Mtns 1798 Comment
  UC16895  Trifolium monanthum subsp. parvum C. F. Sonne July 1889 13 Placer above Coldsman (canyon) Comment
  UC866899  Trifolium monanthum subsp. parvum Lewis S. Rose 1941-6-12 41307 Placer Chambers Lodge (McKinney) Lake Tahoe Comment
  UCR250289  Trifolium pratense George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20800 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road 768 Comment
  CHSC74093  Trifolium repens Susi Urie 1998-8-25 98 -094 Placer About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UC147609  Trifolium repens Miss Harriet A. Walker 1908-6-27 1336 Placer Blue Canyon 1432 Comment
  UCD109327  Trifolium striatum Vic Osterli 1951-6-12 s.n. Placer Forest Hill, Patrick place. Comment
  UC750544  Trifolium variegatum Lewis S. Rose 1946-6-23 46187 Placer n Cisco (Rainbow) Comment
  CAS-BOT-BC516750  Triphysaria eriantha George K. Helmkamp; Amy Barnes 2013-3-28 20285 Placer Eastern Sacramento Valley: along 10th St/Ranch House Rd, 0.6 mi S of its jct with Riosa Road in Sheridan 43 Comment
  CHSC59822  Triphysaria eriantha Andrew D. Lane 1984-4-20 5 Placer Ca. 1.2 km e of Hwy 65, ca. 0.75 km s of Bear River, Sheridan. 30 Comment
  SEINET7067116  Triphysaria eriantha A. G. Vestal 1947-4-29 s.n. Placer About 3.3 miles north of Auburn on Route 49. Coordinate datum: NAD27. Comment
  SEINET13750545  Triphysaria eriantha D. F. Erskine 1941-4-28 14 Placer 2 miles E of Roseville. 76 Comment
  SEINET7249066  Triphysaria eriantha George K. Helmkamp, Amy Barnes 2013-1 Placer Comment
  JEPS113113  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
  UC219134  Triphysaria eriantha subsp. eriantha unknown May, 1891 Placer Auburn Comment
  SACT002457  Trisetum spicatum D. Meyer 1984-7-15 Placer Opening in forest canopy. 3.5 km from lodge. 1909.0 Comment
  UC338354  Trisetum spicatum C. F. Sonne 1886-7-18 Placer Truckee River Sierra Nevada (High Mt.) Comment
  SD236128  Triteleia hyacinthina G. K. Helmkamp, E. A. Helmkamp 2008-4-17 13295 Placer Sacramento Valley: Ranch House Road, 0.2 mile southeast of Sheridan 36 Comment
  UCR197278  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2008-4-17 13295 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  CAS-BOT-BC522019  Triteleia hyacinthina C. F. Sonne 1885-7-26 310 Placer Donner Lake Comment
  IRVC27652  Triteleia hyacinthina M. M. Hardy 1893-1 s.n. Placer Comment
  LA21987  Triteleia ixioides A. M. Carpenter; August 1892 sn Placer Sierra Nevada Mountains Comment
  SEINET8506345  Triteleia ixioides J. Vetter 1955-4-23 s.n. Placer 0.5 mile E of Loomis. 274 Comment
  UCD13161  Triteleia ixioides Collector Unknown 1975-5-24 s.n. Placer Auburn Forest Hill Rd., about 5 miles north-east of Forest Hill. 975 Comment
  UC3296  Triteleia ixioides subsp. anilina C. J. Fox Jr. July 1895 Placer Deer Park Inn Comment
  UC570024  Triteleia ixioides subsp. anilina N. French 1934-5-24 365 Placer North Fork North Fork American River; Colfax Quad., North Fork of North Fork American River 1341 Comment
  UCR194977  Triteleia ixioides subsp. anilina George K. Helmkamp, E. A. Helmkamp 2007-5-18 11997 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 4.3 miles northeast of the bridge over the junction of North and West Forks of the American River 485 Comment
  CAS-BOT-BC524218  Triteleia ixioides subsp. anilina A. A. Heller 1917-6-18 12726 Placer Yuba Pass 1828 Comment
  CAS-BOT-BC522068  Triteleia ixioides subsp. ixioides Saichi Kawahara 1969-5-24 868 Placer Mel Henderson Ranch, Indian Creek 1002 Comment
  UCR250447  Triteleia ixioides subsp. scabra George K. Helmkamp, Mary Alice Barnes 2013-4-18 20360 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
  RSA262348  Triteleia ixioides subsp. scabra Karla Zancai 1972-5-13 49 Placer Humphrey Road, 0.4 mile east of Sierra College Road, Loomis Comment
  UC3295  Triteleia ixioides subsp. scabra C. F. Sonne 1891-5-17 4 Placer Auburn to Newcastle; Sierra Nevada Mountains Comment
  HSC82232  Triteleia laxa Thomas W. Nelson 1979-4-10 4592 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd.