Search Results — 2000 specimen records retrieved (1602 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1134159  Abies concolor R. W. Lundh 1933-4-26 238 Placer 3 mi s Signal Peak; Tahoe National Forest, Colfax Quadrangle 1828 Comment
  UCD23230  Abies concolor Beth Lowe Corbin 1982-8-19 389 Placer 1 1/2 miles south of The Cedars. 1889 Comment
  UCD150258  Acer glabrum var. glabrum James A. Neilson Jr. Date unknown 1964 Placer North Ward Creek Valley. Plot T4. 2011 Comment
  SEINET11261906  Acer macrophyllum George Helmkamp, E. A. Helmkamp 2012-5-11 18953 Placer Northern Sierra Nevada Mountains Foothills: Finning Mill Road, 1.7 miles N of its junction with Forest Hill Road (Foresthill 7.5' Q.); 0 1041 Comment
  UCD117054  Acer macrophyllum K. H. Traver 1969-5-24 39 Placer 1 mile north of Forest Hill. Comment
  SEINET7894012  Acer macrophyllum J. Ridley 1959-4-19 24 Placer 1 mi. east of Baxter along small stream bank on south side of Highway 40 1219 Comment
  CHSC10595  Achillea millefolium Lowell Ahart 1966-8-12 Placer French Meadows. 1676 Comment
  UC565936  Achillea millefolium H. S. Yates 1934-6-29 3882 Placer near Brockway 1920 Comment
  UCD22222  Achnatherum lemmonii Rex Palmer 1979-6-19 N 254 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD50463  Achnatherum lemmonii G. L. Stebbins Jr. 1941-7-16 3175 Placer Rocky ledges along U.S. Highway no. 40, 1 mile west of Cisco Grove. Placer County. 1706 Comment
  CAS-BOT-BC210743  Achnatherum nelsonii W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  SEINET255890 Image available Achnatherum nevadense Mary E. Barkworth, LR Firestone 1987-8-20 4009 Placer Campground 0.7 mi south of I 89 to Tahoe City Interchange Truckee. Comment
  SEINET255910 Image available Achnatherum nevadense Mary E. Barkworth 1987-8-21 4012 Placer 1 block north of intersection of 89 south to Tahoe City and I 80 in Truckee Comment
  CAS-BOT-BC216876  Achnatherum occidentale Lewis S. Rose 1944-7-10 44061 Placer Chambers Lodge, Lake Tahoe 1920 Comment
  SEINET5585745  Achnatherum occidentale T. R. Van Devender, R. K. Van Devender 1990-1 90 -78 Placer Prosser Lake, Tahoe National Forest, Sierra Nevada; 3 miles north of Truckee on Highway 89 1768 Comment
  CAS-BOT-BC210836  Achnatherum occidentale subsp. californicum C. G. Pringle 1882-9-20 s.n. Placer Summit Valley, Sierra Nevada Mts. 2438 Comment
  CAS-BOT-BC210838  Achnatherum occidentale subsp. californicum No date on label 12889 Placer Summit Station 2121 Comment
  UCR241743  Achnatherum occidentale subsp. californicum George K. Helmkamp, E. A. Helmkamp 2012-6-19 19220 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  UC682056  Achnatherum occidentale subsp. occidentale G. L. Stebbins Jr. 1941-7-16 3171 Placer 1 mi w along US Highway 40 Cisco Grove 1706 Comment
  UCD74156  Achnatherum occidentale subsp. occidentale Jennifer W. Burt 2005-7-9 24 Placer abandoned ski area above Rainbow Lodge, off Hwy 50 East of Cisco - collected from center of an abandoned ski run. 1870 Comment
  CHSC40962  Achnatherum stillmanii J. D. Jokerst 1984-6-23 2067 Placer In canyon of the Middle Fork American River. 1158 Comment
  UCD51419  Achnatherum stillmanii B. Bolt 1934-7-17 175 Placer 1/2 mile S. of Walker Mine. 1920 Comment
  UC682053  Achnatherum stillmanii G. L. Stebbins Jr. 1941-7-16 3167 Placer 50-100 yards below S.P. railroad tracks (1/2 mi s of Blue Canon station) 1447 Comment
  UCD103810  Acmispon americanus var. americanus A. A. Heller 1917-8-12 12872 Placer Southern Pacific reservoir west of Emigrant Gap in coarse. Comment
  UCD22015  Acmispon americanus var. americanus Beth Lowe Corbin 1982-8-9 273 Placer 1/4 mile SW of Onion Creek campground. In fine, sandy soil. Disturbed open area in White Fir forest. Prostrate herb. Flowers white. Full sun. South facing slope, 10% incline. Locally common. 1859 Comment
  SEINET5327521  Acmispon americanus var. americanus M. J. Williams 1985-7-6 85- 61 -9 Placer [Sierra Nevada] Near old Donner Summit, S of Lake Mary. Sierra Nevada Comment
  SEINET5327533  Acmispon americanus var. americanus P. B. Kennedy, Samuel Bradford Doten 1901-8-18 413 Placer Talbots Home Camp, 7 mi from French Meadows Comment
  CHSC91778  Acmispon nevadensis G. F. Hrusa; J. Glazner 2000-7-1 15626 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
  UCD38489  Acmispon parviflorus Beecher Crampton 1955-6-15 2918 Placer 8 miles west of Forest Hill. Comment
  UCD44430  Aconitum columbianum C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1796 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  SEINET7720541  Aconitum columbianum Unknown Placer Summit Soda Comment
  CAS-BOT-BC391459  Aconitum columbianum subsp. columbianum Alice Eastwood 1909-1-1 77 Placer Lake Tahoe Region. Sunnyside Comment
  CHSC84702  Aconitum columbianum var. columbianum L. P. Janeway; B. Castro 2003-8-23 7965 Placer Northern High Sierra Nevada. Upper end of large meadow along Barker Creek just upstream from the confluence of the creek out of Bear Lake; 3.1 km south-southwest of Barker Pass. 2106 Comment
  CAS-BOT-BC412607  Aconogonon alaskanum Elizabeth Parsons Hawver No date on label s.n. Placer Lake Tahoe Region Comment
  UCD22143  Aconogonon davisiae Rex Palmer 1979-7-11 N 565 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD98793  Aconogonon phytolaccifolium G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12634 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  CAS-BOT-BC29249  Acroptilon repens T. C. Fuller 1964-9-1 12572 Placer North edge of freeway interstate 80 from Donner Summit, 0.1 miles W of Blue Canyon Road 1524 Comment
  CAS-BOT-BC29288  Adenocaulon bicolor I. L. Wiggins 1933-8-21 6784 Placer Shores of Lake Tahoe, near Tahoma Comment
  UCD112618  Adenostoma fasciculatum G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10716 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area NE of Auburn on Forest Hill Divide). 487 Comment
  RSA687746  Adiantum aleuticum May N. Ackley 1925-06 2 Placer Bear Valley Comment
  POM120401  Adiantum jordanii Marcus E. Jones 1882-7-3 s.n. Placer Dutch Flat Comment
Read comments
Sep 3 2010
  UCR218241  Adiantum jordanii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16437 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  UC26070  Agastache urticifolia Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC15491  Agoseris X elata Alice Eastwood 1909-1-1 141 Placer Sand Harbor Comment
  CHSC74187  Agoseris glauca var. monticola Susi Urie 1998-9-4 98 -267 Placer Meadow complex on north side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  RSA129789  Agoseris monticola B. Bolt 1934-8-23 203 Placer Divide between Picaune and Grayhorse. 2439 Comment
  UC579555  Agoseris monticola B. Bolt 1934-8-23 203 Placer divide toward Grayhorse Picayune 2438 Comment
  POM260172  Agoseris retrorsa C. L. Hitchcock 1940-5-7 6325 Placer 1 mile west of Baxter Comment
  UCR235386  Agoseris retrorsa George K. Helmkamp, E. A. Helmkamp 2012-5-11 18948 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  UCD51686  Agropyron desertorum Beecher Crampton 1974-10-24 9096 Placer 1 mile west of Colfax. 762 Comment
  SACT000046  Agropyron intermedium var. intermedium D. Meyer 1983-7-30 Placer South of Truckee in campground along river 1818.0 Comment
  SACT000058  Agropyron smithii D. Meyer 1983-8-7 Placer 4.64 km south of Placer Co line. Roadside. Elev. 1758. 1758.0 Comment
  SACT000064  Agropyron trichophorum D. Meyer 1983-8-7 Placer bike trail behind Tahoe City shopping mall near lake shore 1891.0 Comment
  JEPS22879  Agrostemma githago Donald E. Vermeer 1959-5-2 13 Placer on U.S. Highway 40, 5 mi w Auburn 274 Comment
  UCR209751  Agrostis George K. Helmkamp, E. A. Helmkamp 2009-8-12 15430 Placer Sierra Nevada Mountains, Forest Hill Road, 20.5 miles northeast of the city of Foresthill 1662 Comment
  SACT000123  Agrostis avenacea Josephine Van Ess 1976-6-16 Placer Diamond Oaks Rd at small stream draining from golf course. Wet streambank. Roseville. 48.8 Comment
  UCR206834  Agrostis capillaris George K. Helmkamp, E. A. Helmkamp 2009-7-16 15212 Placer Sierra Nevada Mountains, Forest Hill Road, 24.6 miles northeast of the city of Foresthill, near Ford Point 1698 Comment
  JEPS78004  Agrostis exarata W. H. Shockley Jun 1886 547 Placer Auburn Comment
  RSA129620  Agrostis exarata N. H. French 1933-6-6 72 Placer Near New Castle 305 Comment
  RSA795084  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2011-8-26 18171 Placer along Forest Hill Road, 0.4 miles west of Robinson Flat 2041 Comment
  SACT000084  Agrostis exarata D. Meyer 1983-9-10 Placer Moist streambank and meadow 1879.0 Comment
  SACT000093  Agrostis exarata Josephine Van Ess 1977-9-16 Placer Growing in mud in small pools at river's edge 378.0 Comment
  SACT000097  Agrostis exarata D. Meyer 1984-7-8 Placer Road to Lake Valley Reservoir, roadside. 1758.0 Comment
  UCD38682  Agrostis exarata Beecher Crampton 1956-7-17 3729 Placer Blue Canyon. 1432 Comment
  UCD52333  Agrostis exarata Hitchcock Date Unknown 12891 Placer Summit Station. 2121 Comment
  UCD52336  Agrostis exarata August L. Hormay 1932-7-8 s.n. Placer Base of Echo Lake, Grade North side. Comment
  SACT000114  Agrostis exarata var. monolepis D. Meyer 1984-6-23 Placer Iowa Hill Rd 17.12 km from I 80 Frontage Rd. Dry roadside. elev. 909. s28t15nr10e 978.0 Comment
  RSA654890  Agrostis gigantea G. Fred Hrusa, J. Glazner 1997-8-3 14038 Placer Corner of Hwy 89 & Squaw Valley Road., 39 deg 12' N, 120 deg 12' W. 2000 Comment
  CAS-BOT-BC139002  Agrostis pallens 12892 Placer Summit Station. 2121 Comment
  CDA15931  Agrostis pallens G. F. Hrusa, J. Glazner 1999-7-17 15182 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. Uncommon rhizomatous grass in +- moist sites surrounded by open to +- closed Pinus jeffreyi, Artemisia tridentata, and Purshia tridentata grading into Abies concolor coniferous forest. 1889 Comment
  UCD44604  Agrostis pallens C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1970 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD53085  Agrostis pallens A. S. Hitchcock Date Unknown 12892 Placer Summit Station, upper limit of the yellow pine belt (P. Jeffreyi). 2121 Comment
  UCD53209  Agrostis pallens A. S. Hitchcock Date Unknown 12892 Placer Summit Station. 2121 Comment
  UCD53003  Agrostis rossiae R. Tofsrud 1951-7-1 s.n. Placer near Campton's store, Hwy. 40 (above Nayak). Comment
  CHSC75035  Agrostis scabra Susi Urie; Eric Schroder 1998-9-8 98 -290 Placer Lake Tahow Basin. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  SACT000148  Agrostis scabra D. Meyer 1984-8-4 Placer meadow, mostly dry with a few springs 1454.0 Comment
  SBBG26329  Agrostis scabra B. Crampton 1964-7-21 Placer Cisco Grove 1722 Comment
  UC710528  Agrostis scabra John Thomas Howell 1943-7-19 18572 Placer Summit Valley Comment
  UCD32810  Agrostis scabra Beecher Crampton 1964-7-21 7120 Placer Placer County, Cisco Grove, US Hwy. 40. Comment
  SACT000174  Agrostis semiverticillata Josephine Van Ess 1976-5-12 Placer streamside, wet 91.5 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
  UCD34017  Agrostis stolonifera Beecher Crampton 1975-9-9 9268 Placer Placer County, Tahoe National Forest, 1.2 mile N.E. of Blue Canyon post office. 1524 Comment
  UCD53521  Agrostis stolonifera B. Crampton 1955-7-13 2989 Placer along US Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  UCR170798  Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2005-9-30 9936 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  SACT000202  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
  SACT000209  Agrostis stolonifera var. major Michael Baad 1983-7-15 Placer 1371.6 Comment
  SACT000213  Agrostis tenuis D. Meyer 1984-6-23 Placer 9.76 km from I80 Frontage rd. moist shady roadside ditch. oak, pine, manzanita, assoc 978.0 Comment
  SACT000217  Agrostis tenuis D. Meyer 1984-8-17 Placer 667.0 Comment
  RSA0054101  Agrostis thurberiana G. K. Helmkamp, E. A. Helmkamp 2005-9-30 9936 Placer Northern High Sierra Mountains: Hampshire Rocks Road S of the I-80 Rainbow exit (ca.2 mi E of Cisco Grove). 1805 Comment
  SACT000250  Agrostis variabilis Michael Baad 1983-8-21 Placer On road to Kidd and Cascade Lakes 2.4 miles southwest of Soda Springs exit off of Interstate 80 2019.0 Comment
  SACT000251  Agrostis variabilis Michael Baad 1983-8-11 Placer Collected 3 miles west of Alpine Meadows 2133.6 Comment
  UCD22257  Agrostis variabilis Beth Lowe Corbin 1982-8-18 372 Placer 1 1/4 miles SW of The Cedars. NE facing slope, 10% incline. Mostly sun. Occasional. Opening in white fir forest in rocky, fine, sandy, granitic soil. Perennial forming very small tufts. 1813 Comment
  UCD53773  Agrostis variabilis E. Wilson 1935-7-7 s.n. Placer Emigrant Gap. Comment
  SACT000259  Agrostis viridis Josephine Van Ess 1976-5-12 Placer just north of the campus. small stream. 1/2 mile past Bankhead Street stream. 91.5 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
  SACT000233  Aira caryophyllea D. Meyer 1984-4-15 Placer Roadside; appears to have been a vernal pool (dry) 36.97 Comment
  CAS-BOT-BC138376  Aira caryophyllea var. caryophyllea Peter H. Raven 1954-4-16 6605 Placer 7 miles south of Lincoln on road to Roseville. Comment
  CAS-BOT-BC459422  Allium acuminatum L. S. Smith 1932-5-11 2652 Placer Tahoe Forest, above Middle Fork American River, South Slope 457 Comment
  CHSC39057  Allium amplectens Michael P. Crivello 1979-4-11 Placer 1.2 mi sse Coloma along Hwy 49. 289 Comment
  POM269026  Allium campanulatum Lyman Benson 1942-7-2 11256 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  RSA35118  Allium campanulatum L. S. Rose 1944-7-13 44106 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UCD138499  Allium campanulatum J. M. Tucker 1975-7-29 4354 Placer ca. 1/2 mile south of Tinker Knob, ca. 8 miles (airline) southeast of Soda Springs. 2286 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
  JEPS106452  Allium jepsonii Barrett Anderson 2003-6-22 4893 Placer 1340 ft; NE corner of the intersecton of Dry Creek Road and Blue Grass Drive, approx. 0.8 mi E of Hwy 49. Serpentine outcrop with a seep. 408 Comment
  JEPS111204  Allium obtusum var. obtusum Steve Matson 2005-7-1 1342 Placer near Sierra Crest southwest of Donner Summit and Serene Lakes along road to Palisades Lake, 39.3087 N, 120.4133 W; elevation 6,680 ft. 2036 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
  JEPS73016  Allium platycaule Gladys L. Smith 1972-6-20 3209 Placer about terminus of summit chairlift, Ward Peak Ward Peak 2621 Comment
  CAS-BOT-BC474082  Allium platycaule L. Smith 1926-5-26 1873 Placer Duncan Canyon, Tahoe Forest 1676 Comment
  UCD149499  Allium sanbornii G. L. Stebbins 1978-5-28 7890 Placer West side of Big Crater. (Exact location unknown. Coordinates estimated by label maker.) 1280 Comment
  JEPS14036  Allium sanbornii var. congdonii Rimo Bacigalupi with A. Hawkes, G. L. Stebbins, D. Zohary, H. Stutz, J. Hunziker, F. Ehrendorfer 1952-7-20 3890 Placer serpentine hill just s Shirttail Public Camp (7 mi e of Iowa Hill); Tahoe National Forest 1188 Comment
  CHSC61613  Allophyllum gilioides L. S. Rose 1941-7-9 41299 Placer Chambers Lodge (McKinney), Lake Tahoe. 2100 Comment
  JEPS59485  Allophyllum integrifolium Ezra Brainerd and Viola B. Baird 1915-7-23 233 Placer Tahoe City Sierra Nevada Mts., Tahoe City 1905 Comment
  RSA795078  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18184 Placer Along Forest Hill Road, 12.9 miles east of Humbug Road, less than 1 mile northwest of Robinson Flat. 2050 Comment
  UC1123707  Allophyllum integrifolium B. Bolt 1934-7-10 93 Placer 2 mi. s. Huysink Lake; Tahoe Nat'l Forest, Colfax Quad. Comment
  UC702547  Allophyllum integrifolium L. S. Rose 1941-7-8 41291 Placer Lake Tahoe, Chambers Lodge (McKinney) 2100 Comment
  UCR229554  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-7-26 17903 Placer Northern Sierra Nevada Mountains, Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23 deg. ) of Emigrant Gap and N of I-80 1434 Comment
  UC196658  Allotropa virgata Miss Adele Dahl Placer Tahoe City Comment
  CAS-BOT-BC171250  Alnus Saichi Kawahara 1976-5-25 907 Placer Meadow, Mel Henderson Ranch, E bank of Indian Creek Comment
  SACT002784  Alnus tenuifolia Michael Baad 1977-6-2 Placer Collected north facing slope in mixed coniferous forest. 853.0 Comment
  CDA28187  Alopecurus aequalis G. D. Barbe 1977-7-2 2284 Placer Along the shore of Martis Creek Lake, Day Use Area south of Truckee-Tahoe Airport. Comment
  CAS-BOT-BC138159  Alopecurus aequalis var. aequalis W. R. Dudley 1900-6-28 s.n. Placer Tallac. Comment
  UCD21603  Alopecurus pratensis E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1268 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  CAS-BOT-BC136697  Amelanchier alnifolia var. pumila Alice Eastwood 1912-6-15 372 Placer Deer Park, Lake Tahoe Region Comment
  SEINET11792336  Amsinckia douglasiana D. F. Erskine 1941-4-11 25 Placer 5 miles north of Roseville 91 Comment
  SEINET11792407  Amsinckia douglasiana W. D. Billings 1939-3-19 1199 Placer 10 miles NW of Auburn. Comment
  CDA37222  Amsinckia intermedia CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UC1178280  Amsinckia intermedia Francia Chisaki 1956-4-20 687 Placer on Roseville Road, Antelope Antelope Comment
  SEINET8551460  Anagallis arvensis R. C. Sumner 1948-5-7 s.n. Placer Found near road in open field, 4 miles south of Loomis. 305 Comment
  RSA416591  Anaphalis margaritacea Fay A. MacFadden 1934-7-28 12681 Placer Donner Lake Comment
  UCD21685  Anaphalis margaritacea Beth Lowe Corbin 1982-8-3 179 Placer Onion Creek campground. In open dry meadow. Perennial herb, phyllaries papery white, disk flowers yellow. Mostly sun. SW facing slope. Uncommon. 1841 Comment
  UCD44568  Anaphalis margaritacea C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1934 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CAS-BOT-BC137822  Andropogon glomeratus var. pumilus Beecher Crampton 1960-11-2 5802 Placer 1 mile southeast of Auburn, State Highway 49. Comment
  UCD56087  Andropogon virginicus Beecher Crampton 1957-5-7 3995 Placer along Thermalands Road, 2 miles northeast Lincoln. Comment
  UCD56112  Andropogon virginicus Beecher Crampton 1957-3-28 3911 Placer 3.5 miles northeast of Folsom, along the road to Auburn. Comment
  CAS-BOT-BC128577  Androsace occidentalis Marcus E. Jones 1882-4-29 s.n. Placer Emigrant Gap Comment
Read comments
Sep 29 2017
  CAS-BOT-BC391820  Anemone drummondii Mrs. Bliss 1923-4-20 s.n. Placer Tahoe City Comment
  SD243059  Angelica breweri George K. Helmkamp, E. A. Helmkamp 2010-7-28 16680 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 1.8 miles east of Forest Route 13 / American Hill Road. Burn area north of the road. 1662 Comment
  UC1122895  Angelica breweri R. C. Wilson 1934-9-19 72 Placer Tahoe National Forest, Squaw Valley Squaw Valley; Tahoe National Forest, Squaw Valley 2011 Comment
  CAS-BOT-BC63970  Antennaria argentea G. B. Grant 1906-7-15 6943 Placer Tahoe Tavern Comment
  NY158261  Antennaria media C. F. Sonne 1892-7-31 s.n. Placer [Cold... or Gold...] Comment
  CDA15961  Antennaria umbrinella G. F. Hrusa, J. Glazner 1999-7-17 15131 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC137711  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Near Cisco. 914 Comment
  SACT000340  Anthoxanthum odoratum D. Meyer 1983-7-16 Placer 1212.0 Comment
  SACT000342  Anthoxanthum odoratum D. Meyer 1984-6-3 Placer 585.0 Comment
  UCD56265  Anthoxanthum odoratum A. A. Beetle 1941-5-26 2719 Placer Near Cisco. 1524 Comment
  SEINET6329792  Aphanes occidentalis F. Martin 1962-3-16 55 Placer 2 miles east of Auburn, above the north fork of the Yuba River 274 Comment
  UCR209753  Apocynum androsaemifolium George K. Helmkamp, E. A. Helmkamp 2009-8-12 15442 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
  SEINET7923473  Apocynum androsaemifolium P. A. Lehenbauer 1933-8-6 2606 Placer Tahoe near Homewood Comment
  SEINET7923476  Apocynum androsaemifolium K. A. Chandler 1901-8-21 s.n. Placer Half Moon, near Tahoe Comment
  UC1123482  Apocynum cannabinum N. French and R. Clar 1933-6-26 84 Placer near Rocklin Sacramento Quad. Comment
  UCR216027  Apocynum cannabinum George K. Helmkamp, Amy Barnes 2009-7-12 15190 Placer Sierra Nevada Mountains Foothills, along Todd Valley Road, 0.1 mile south of its junction with Foresthill Road, c. 13 air miles NE of Auburn 854 Comment
  CAS-BOT-BC334224  Aquilegia formosa George K. Helmkamp; Mary Alice Barnes; E. A. Helmkamp 2012-9-8 19797 Placer Northern Sierra Nevada Mountains: Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  OBI39805  Aquilegia formosa Joy H. Nishida 1985-7-10 782 Placer Homewood 1829 Comment
  UCR191089  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2007-6-12 12322 Placer Northern Sierra Nevada Mountains, Lake Spaulding Road just north of its junction with Hwy CA-20 1610 Comment
  CAS-BOT-BC397896  Aquilegia formosa R. K. Wellman 1981-5-15 034 Placer Highway 89 4.5 mi. N. of Truckee. 1676 Comment
  CAS-BOT-BC397901  Aquilegia formosa Marcus E. Jones 1893-1-1 2614 Placer Emigrant Gap. Comment
  RSA0053709  Aquilegia formosa var. formosa G. K. Helmkamp, E. A. Helmkamp 2012-9-25 19797 Placer Northern Sierra Nevada Mountains along Forest Hill Road at junction with Hidden Treasure Road, c. 0.4 mile NE of Sugar Pine Road 1384 Comment
  UCD43026  Arabis hirsuta var. glabrata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 395 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCR270694  Arabis holboellii John F. Emmel 1998-7-9 1572 Placer Sierra Nevada Mountains, Donner Pass area, south peak of Mt. Judah 2513 Comment
  POM143042  Arabis lemmonii var. depauperata C. F. Sonne 1897-7-18 s.n. Placer Tinker s Knob 2744 Comment
  CAS-BOT-BC407753  Arceuthobium abietinum E. R. Blakley 1960-8-29 3793 Placer Carnelian Bay, Lake Tahoe 1981 Comment
  CHSC10616  Arceuthobium americanum Lowell Ahart 1972-6-28 131 Placer French Meadows. 1524 Comment
  UC615458  Arceuthobium campylopodum Beryl O. Schreiber 1933-7-21 891 Placer trail to Mount Ellis above Homewood Tahoe Comment
  UC1078827  Arceuthobium campylopodum Job Kuijt 1957-5-18 1333 Placer 1 mi n Tahoe City (on Hwy 89) 1798 Comment
  UC191532  Arceuthobium campylopodum C. F. Sonne 1889-7-9 Placer near Lake Tahoe Comment
  SEINET7258390  Arctostaphylos manzanita J. Schenk 1959-3-27 s.n. Placer 2 miles west of Auburn, on a saide road branching from Highway 40 152 Comment
  UCR170824  Arctostaphylos manzanita subsp. manzanita George K. Helmkamp, E. A. Helmkamp 2005-9-30 9942 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  CAS-BOT-BC24250  Arctostaphylos mewukka T. S. Brandegee 1888-1-1 33 Placer Emigrant Gap. Comment
  CAS-BOT-BC40043  Arctostaphylos nevadensis Margaret Williams 1974-8-8 74 -P1-25 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  CAS-BOT-BC40049  Arctostaphylos nevadensis R. F. Hoover 1967-9-5 s.n. Placer Carnelian Bay, Lake Tahoe Comment
  UC682104  Arctostaphylos nevadensis G. L. Stebbins Jr. 1942-9-1 3335 Placer along Southern Pacific railroad track 1/2 mi s Blue Canyon Station 1390 Comment
  CAS-BOT-BC42149  Arctostaphylos patula Mary P. Wells 1980-9-12 s.n. Placer Sierra Nevada - forest west of Pioneer Way, Tahoe City 1981 Comment
  OBI20020  Arctostaphylos patula David J. Keil 1978-7-23 12940 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UC82952  Arctostaphylos patula Katharine Brandegee 1889-7-1 Placer Blue Canyon 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
  SEINET5731174 Image available Arctostaphylos viscida Michael E. O'Brien 1971-1 24 Placer 20 mi. W of Immigrant Gap on I-80.; Immigrant Gap 1676 Comment
  RSA27884  Arctostaphylos viscida subsp. viscida C. L. Hitchcock 1940-5-14 6380 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  RSA637014  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-13 24919 Placer Forest Hill Road, 11 km west of Forest Hill, northeast of Auburn. 700 Comment
  UC876564  Arctostaphylos viscida subsp. viscida P. A. Lebenbauer 1934-6-23 Placer above Colfax 914 Comment
  SEINET5784772 Image available Arenaria congesta Marcus E. Jones 1882-1 3278 Placer Emigrant Gap Comment
  UC852269  Arenaria congesta var. suffrutescens Lewis S. Rose 1940-5-29 40416 Placer 3 mi ne Emigrant Gap 1676 Comment
  CAS-BOT-BC137568  Aristida oligantha Catherine Best 1984-8-11 1031 Placer Sierra Nevada. South Campground Camp Far West Reservoir. 91 Comment
  SBBG115628  Aristida oligantha B. Crampton 1961-9-27 5995 Placer ca. 1 mi W of Auburn, along US Hwy 40 Comment
  UCD21689  Arnica Rex Palmer 1979-6-21 N 415 Placer Headwaters basin area of the North Fork of the American River. Comment
  CHSC72867  Arnica chamissonis L. P. Janeway; Eric Schroder 1998-7-13 5757 Placer Lake Tahoe Basin Management Unit. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CAS-BOT-BC82198  Arnica chamissonis Malcom A. Nobs; S. Galen Smith 1949-8-21 1514 Placer Marsh between Sandy Beach and Agate Bay, north end of Lake Tahoe Comment
  CAS-BOT-BC82207  Arnica chamissonis Le Roy Abrams 1911-7-29 4832 Placer near the summit of Mt. Tallac 2895 Comment
  UC53991  Arnica chamissonis Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  POM252782A  Arnica ciliaris C. F. Sonne 1896-8-2 s.n. Placer Tahoe Comment
  CAS-BOT-BC82319  Arnica cordifolia Grant 1906-7-15 6965 Placer Tahoe Tavern Comment
  CAS-BOT-BC82321  Arnica cordifolia Alice Eastwood 1912-6-15 450 Placer Tahoe City, Lake Tahoe Region Comment
  JEPS20875  Arnica dealbata Leland S. Smith 1925-1-1 1664 Placer near Middle Fork of the American River; Tahoe National Forest, French Meadows 1828 Comment
  CAS-BOT-BC295823  Arnica dealbata C. F. Sonne 1895-7-14 s.n. Placer Near Pole Creek on Truckee River Comment
  CAS-BOT-BC85173  Arnica mollis John H. Thomas; Hazelle A. Thomas 1956-7-21 6213 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento. 2377 Comment
  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
  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
  CAS-BOT-BC85060  Arnica parryi John Thomas Howell 1938-8-2 13990 Placer 5 miles n. of Brockway Comment
  RSA531306  Artemisia arbuscula subsp. arbuscula Walter Wisura 1991-8-22 4549 Placer Squaw Valley beyond upper cable car stn. on gentle SE facing slope. Comment
  UCD83635  Artemisia arbuscula subsp. thermopola Albert Grigarick 2009-9-10 188 Placer Squaw Valley Resort, ridge near top of Links chairlift. 2499 Comment
  JEPS126341  Artemisia cana subsp. bolanderi Steve Matson 1997-9-27 181 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 200 yards south of Highway 267 near Martis Creek. Comment
  JEPS16969  Artemisia douglasiana Peter H. Raven 1956-8-4 9991 Placer Blue Canyon Sierra Nevada, Blue Canyon 1432 Comment
  UCD43091  Artemisia douglasiana C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 459 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET6775387 Image available Artemisia douglasiana P. B. Kennedy, S. B. Dozen 1901-8-19 420 Placer [Sierra Nevada] Talbots home camp, 7 miles from French Meadows, Cal Comment
  CAS-BOT-BC90716  Artemisia ludoviciana subsp. incompta John Thomas Howell 1943-7-26 18856 Placer Sugar Bowl nw. of Mt. Lincoln Comment
  RSA39961  Artemisia ludoviciana subsp. incompta J. T. Howell 1943-7-26 18856 Placer Mt. Lincoln. Comment
  JEPS72589  Artemisia rothrockii Gladys L. Smith 1972-8-25 3414 Placer base of Granite Chief 2575 Comment
  UCD33481  Artemisia tridentata Beecher Crampton 1968-9-18 8383 Placer 1.5 miles east of Emigrant Gap on Interstate 80. 1676 Comment
  SEINET2473493 Image available Artemisia tripartita subsp. tripartita A. Juncosa 2005-8-12 3128 Placer Placer County, about 5 air miles WSW of Tahoe City, SE slopes of Ward Peak. 2440 Comment
  SACT000349  Arundo donax D. Meyer 1984-5-28 Placer 48.5 Comment
  SCFS1003  Asclepias speciosa E. Krimmel 2014-6-26 Placer Edge of Soda Springs road, across from Cedars driveway Comment
  RSA686378  Aspidotis densa May N. Ackley 1925-06 40 Placer Emigrant Gap. 1677 Comment
  CAS-BOT-BC69579  Aspidotis densa Nora Pettibone; Frank W. Hubby 1892-9-1 s.n. Placer Lake Tahoe, Sierra Nevada Mt. 1828 Comment
  CHSC74352  Aster alpigenus var. andersonii Susi Urie; Eric Schroder 1998-9-10 98 -323 Placer Lake Tahoe Basin Management Unit - National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  POM57913  Aster breweri A. M. Carpenter 1892-08 5049 Placer [No locality information on label] Comment
  RSA531308  Aster breweri Walter Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4547 Placer Squaw Valley, beyond upper cable car stn. Comment
  RSA714090  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2005-10-1 9983 Placer Northern Sierra Nevada Mts.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca. 2.2 miles west of CA Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  UCR190170  Aster occidentalis var. occidentalis George 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 east of the Nevada Co. border 2151 Comment
  UCR257623  Aster occidentalis var. occidentalis George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19529 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
  SCFS1029  Asteraceae E. Krimmel 2013-7-28 Placer North Fork American River, trail to Heath Falls Overlook. Stop #1 Comment
  SCFS1173  Asteraceae E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Drying creek bed at Chickering. Comment
  CDA26606  Astragalus austiniae Jim Jokerst 1986-7-13 2732 Placer High Sierra Nevada; Trail from The Cedars, southwest of Donner Lake, just below the summit of Needle Peak. 0 Comment
  UC862943  Astragalus canadensis var. brevidens A. A. Heller 1917-8-13 12904 Placer near Summit Hotel; near Summit Hotel 2133 Comment
  UCD34140  Astragalus pauperculus Beecher Crampton 1977-4-3 9464 Placer Placer County, 3.5 miles north of Auburn, just east of Elder's Corner on Dry Creek Road. Comment
  JEPS59464  Astragalus whitneyi var. lenophyllus Ezra Brainerd and Viola B. Baird 1915-7-19 200 Placer above Deer Park (summit of The Craggs); Sierra Nevada Mts., summit of the Craggs above Deer Park 2514 Comment
  SEINET5336157  Avena fatua W. W. Schwartzkopf s.n. Placer Auburn area 610 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
  RSA43812  Balsamorhiza deltoidea D. F. Howe 1948-5-23 s.n. Placer American River 305 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
  RSA0070815  Balsamorhiza hookeri James Henrickson 1969-5-25 3405 Placer 102 miles northeast of Sacramento, 4 miles southeast of Truckee along Hwy. 267. 1829 Comment
  CDA10487  Balsamorhiza macrolepis T. C. Fuller 1958-7-7 Placer 2 miles north of Roseville. 0 Comment
  CAS-BOT-BC100090  Balsamorhiza sagittata Kellogg; Brannan 1870-6-27 s.n. Placer Cisco: Sierra Nevada Mts. Comment
  CAS-BOT-BC100094  Balsamorhiza sagittata John H. Thomas; Hazelle A. Thomas 1956-7-21 6090 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CDA43434  Berteroa incana Patterson & Diefendorf 2015-7-7 PDR# 310 P06130033 Placer Alpine Meadows Ski Area maintenance lot. 0 Comment
  UCD129571  Bidens frondosa G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12955 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  CAS-BOT-BC102055  Bidens frondosa John Thomas Howell 1929-10-4 4427 Placer 1 1/2 miles from Auburn on road to Colfax Comment
  CAS-BOT-BC413045  Bistorta bistortoides Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 Comment
  UCD22335  Boechera Rex Palmer 1979-6-20 N 326 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC16147  Boechera covillei John Thomas Howell 1943-7-21 18651 Placer Donner Pass to Mount Lincoln. Comment
  UC136106  Boechera depauperata C. F. Sonne 1897-7-18 Placer Tinkers Knob Sierra Nevada Mountains 2743 Comment
  CAS-BOT-BC14252  Boechera pinetorum Lewis S. Rose 1944-7-10 44052 Placer Chambers Lodge, Lake Tahoe. 1920 Comment
  CAS-BOT-BC14403  Boechera platysperma George B. Grant 1906-7-15 7014 Placer Tahoe Tavern. Lake Tahoe. 1889 Comment
  CAS-BOT-BC14404  Boechera platysperma A. A. Heller 1903-7-20 6975 Placer Donner Pass. 2133 Comment
  JEPS53132  Boechera platysperma C. F. Sonne Aug 1888 416 Placer Truckee River Sierra Nevada Mountains Comment
  SEINET5340636  Boechera platysperma A. A. Heller 1903-7-20 6975 Placer Donner Pass. 2134 Comment
  JEPS72036  Boechera rectissima Gladys L. Smith 1972-6-20 3208 Placer Ward Peak, about terminus of Summit chairlift Ward Peak 2621 Comment
  UCD22348  Boechera retrofracta Rex Palmer 1979-6-19 N 247 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC186849  Boechera sparsiflora C. F. Sonne 1885-6-21 Placer Truckee River (Polo Creek) Truckee River Comment
  UCD21606  Boechera stricta E. Dean; M. Starbuck, C. Tresan, S. Tresan 2001-6-30 1275 Placer Vicinity of the town of Soda Springs. Meadow across from housing along Soda Springs Road, trailhead for trail that starts at Soda Springs Rd. and travels E from the Serene Lakes region up ca. 100 m to a ridge that looks down on Lake Van Norden and railroad tracks. 2200 Comment
  JEPS109849  Boechera suffrutescens Dean W. Taylor 2005-7-15 19408 Placer Martis Peak, western flank near headwaters Monte Carlo Creek, Truckee River watershed 2164 Comment
  POM46115  Boisduvalia densiflora Marcus E. Jones 1882-7-3 s.n. Placer Alta Comment
  SEINET5323261  Botrychium multifidum M. J. Williams 1970-6-7 s.n. Placer Near Emigrant Gap. 1615 Comment
  SACT000435  Brachypodium distachyon Michael Baad 1976-6-3 Placer 1.1 miles east of North Fork of American River Bridge; southwest facing slopes; red igneous rock 217.9 Comment
  UCR231884  Brickellia californica George K. Helmkamp, E. A. Helmkamp 2010-10-16 17015 Placer Northern Sierra Nevada Mountains Foothills, Old Foresthill Road (between CA-49 and new Foresthill Rd), 1.8 miles northeast of junction with CA-49 250 Comment
  UC175390  Brickellia greenei Miss Helen D. Geis 1909-8-1 Placer Deer Park, Tahoe District Comment
  RSA385274  Briza minor A. A. Beetle 1941-5-26 2711 Placer Near Cisco 915 Comment
  SEINET4183117 Image available Briza minor C. L. Hitchcock 1940-5-14 6389 Placer Meier Ranch, circa 6 Miles North of Colfax. 762 Comment
  UCD57424  Briza minor A. A. Beetle 1941-5-26 2711 Placer Near Cisco. 914 Comment
  UCD57484  Briza minor August L. Hormay 1932-5-24 s.n. Placer West of Auburn. Comment
  SEINET10835830  Briza minor Alan A. Beetle 1941-5-26 Beetle 2711 Placer Near Cisco, shrubby hillside, sandy loam. 914 Comment
  SEINET10570657  Brodiaea Carl B. Wolf 1937-5-12 Wolfe 2799 Placer Sacramento Valley, 1 m N of Lincoln. Upper Sonorn:- Grasses. Sun, clay, open flats. 150 feet. Comment
  CAS-BOT-BC482161  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  UC618204  Brodiaea appendiculata R. F. Hoover 1939-5-10 4089 Placer Lincoln Comment
  RSA670113  Brodiaea coronaria Regina Putman 1997-4-19 5 Placer City of Rocklin, in grassy field N of Toys-R-Us. 70 m W of the end of Five Star Blvd. 67 Comment
  CAS-BOT-BC457059  Brodiaea coronaria subsp. coronaria R. F. Hoover 1939-5-10 4095 Placer 2 miles se of Sheridan Comment
  RSA21283  Brodiaea minor Carl B. Wolf 1937-5-12 8627 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  SACT000486  Bromus arvensis D. Meyer 1983-8-7 Placer along Truckee River, east bank 1879.0 Comment
  SACT000387  Bromus carinatus D. Meyer 1984-7-8 Placer very moist streambank, beneath bridge. 1440.0 Comment
  SACT000516  Bromus carinatus D. Meyer 1983-6-5 Placer 982.98 Comment
  SEINET3922009  Bromus carinatus Ellen Dean, M. Starbuck; G. Harrington; Jennifer Buck; Mark Bibbo; T. Sasaki; J. Poloske 2008-7-19 5152 Placer Donner State Park, newly acquired lands to the SE of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek.; 0 2112 Comment
  UCD58249  Bromus carinatus Beecher Crampton 1955-6-15 2819 Placer 5.5 miles west of Iowa Hill. Comment
  UCD58262  Bromus carinatus Lewis S. Rose 1944-7-12 44094 Placer Chambers Lodge. Lake Tahoe. 1920 Comment
  UCD58306  Bromus carinatus D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. 1500 Comment
  SEINET4345208  Bromus carinatus W. D. Billings 1940-5-18 1302 Placer Gold Run Comment
  UC34009  Bromus carinatus var. carinatus C. F. Sonne 1892-7-1 8 Placer Sierra Nevada Mountains, Tinker Knob Tinker Knob; Sierra Nevada Mountains, Tinker Knob 2743 Comment
  UCD22240  Bromus carinatus var. carinatus Rex Palmer 1979-7-12 N 613 Placer Headwaters basin area of the North Fork of the American River Comment
  SACT000491  Bromus commutatus D. Meyer 1984-6-23 Placer Nevada-Placer County line, moist shaded area 594.0 Comment
  SACT000492  Bromus commutatus D. Meyer 1984-6-3 Placer 585.0 Comment
  UCD36651  Bromus commutatus Beecher Crampton 1955-6-15 2862 Placer Placer County, 3 miles east of Weimar, head of Bunch Canyon, on Forest Hills Road, just off U.S. Highway 40. Comment
  SACT000529  Bromus diandrus D. Meyer 1983-6-18 Placer 1170.0 Comment
  SACT000667  Bromus diandrus Josephine Van Ess 1975-5-23 Placer South end of upper part of Volcano hill. Orangevale. Comment
  UCD80535  Bromus diandrus CNPS SN Foothill Team 2005-4-11 SNFN 0103 a Placer Placer Legacy, Spears/Didion Ranch, above Coon Creek, approximately 3 miles east of entry gate off of Garden Bar Road. 169 Comment
  CAS-BOT-BC541426  Bromus grandis G. L. Stebbins, Jr.; R. Bacigalupi; F. Ehrendorfer; J. Hunziker; H. Stutz; D. Zohary 1952-7-19 5124 Placer Along N fork of American River, 2 mi S of Colfax, 1/2 mi E of bridge of Iowa Hill road 350 Comment
  CDA37061  Bromus hordeaceus CDFA Staff s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  JEPS113245  Bromus hordeaceus Lowell Ahart, Brian Williams 2007-4-13 13661 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UCR258237  Bromus hordeaceus George K. Helmkamp, Amy Barnes 2013-3-28 20236 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  SACT000568  Bromus hordeaceus subsp. hordeaceus D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT000565  Bromus hordeaceus subsp. hordeaceus Josephine Van Ess 1983-6-18 Placer Shady area 1170.0 Comment
  SACT000554  Bromus inermis D. Meyer 1984-7-21 Placer near golf course 2000.0 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
  UC1131198  Bromus madritensis subsp. rubens C. R. Clar 1933-10-5 137 Placer e of Lincoln 60 Comment
  POM112529  Bromus marginatus Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SACT000694  Bromus marginatus D. Meyer 1983-7-16 Placer 1853.18 Comment
  SACT000703  Bromus marginatus Michael Baad 1976-7-22 Placer Ascent of south-facing slope of peak from trail to crest, red-fir forest and meadows 2377.0 Comment
  SACT000711  Bromus mollis Michael Baad 1983-4-17 Placer 411.48 Comment
  CAS-BOT-BC162163  Bromus orcuttianus Peter H. Raven 1956-8-4 9999 Placer Sierra Nevada. 1.0 mile from Blue Canyon on road to Emigrant Gap. Comment
  CAS-BOT-BC162166  Bromus orcuttianus L. S. Smith 1925-9-10 1727 Placer Tahoe Forest. Near Emigrant Gap. 1524 Comment
  UCR215974  Bromus orcuttianus George K. Helmkamp, Amy Barnes 2009-7-12 15177 Placer Sierra Nevada Mountains Foothills, along Foresthill Road, 5.7 miles northeast of the city of Foresthill 1230 Comment
  UCD59522  Bromus rubens M. Vincent 1965-4-19 649 Placer 4 miles south of Marysville. Comment
  UCD59653  Bromus secalinus Beecher Crampton 1953-5-26 1336 Placer Sunnybrook Farms, 2 miles north of Lincoln. Comment
  SACT000771  Bromus tectorum var. tectorum D. Meyer 1984-5-27 Placer moist meadow surrounded by sage brush type vegetation 81.0 Comment
  SACT000772  Bromus tectorum var. tectorum D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT000795  Bromus vulgaris D. Meyer 1984-7-29 Placer 1661.0 Comment
  SACT000800  Calamagrostis breweri Michael Baad 1976-8-4 Placer on the shore and northeast-facing slope of Mildred Ridge Comment
  UCD43041  Calamagrostis canadensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 410 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD75967  Calamagrostis canadensis Ellen Dean, M. Starbuck,; M. Bibbo, J. Poloske 2008-7-20 5249 Placer Donner State Park, newly acquired lands to the SW of Donner Lake. Area south of southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  CAS-BOT-BC85752  Calocedrus decurrens M. S. Jussel 1930-6-27 s.n. Placer Camp Baxter 1676 Comment
  UCD132866  Calocedrus decurrens Beecher Crampton 1960-11-2 5798 Placer town of Gold Run. 914 Comment
  CDA34203  Calocedrus decurrens D. G. Kelch 2011-5-17 11 .519 Placer Dutch Flat. Comment
  UCD164643  Calochortus albus Brandi Sorensen 1995-5-12 7 Placer 3.5 kilometers north of Auburn. 2.4 kilometers west of Interstate 80. Comment
  CAS-BOT-BC487484  Calochortus albus Alice Eastwood; John Thomas Howell 1937-5-8 4336 Placer Near Auburn on road to Grass Valley Comment
  CAS-BOT-BC487485  Calochortus albus Saichi Kawahara 1969-5-25 1035 Placer Near B.M. 2393, 'Nigger George Ravine, Colfax - Iowa Hill Road 729 Comment
  UCD22050  Calochortus leichtlinii Rex Palmer 1979-7-12 N 647 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA39287  Calochortus luteus H. R. Danielson 1962-4-28 s.n. Placer Highway 99E to Lincoln, ca. 5 miles north of Roseville. 0 Comment
  CAS-BOT-BC483461  Calochortus minimus A. Kellogg 1870-6-1 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  UC1585980  Calochortus monophyllus Barbara Ertter with David Thompson 1989-4-9 8178 Placer ca 5 air mi nw Foresthill (Shirttail Canyon Road, 2.4 mi from Dipper Road) 609 Comment
  SEINET8495410 Image available Calochortus monophyllus L. Constance, J. L. Morrison 1938-4-30 2171 Placer East slope, east edge of Applegate, Sierra Nevada foothills. 610 Comment
  POM109551  Calochortus nudus Marcus E. Jones 1882-6-28 3300 Placer Emigrant Gap. Comment
  UC1134527  Calochortus superbus C. R. Clar 1933-6-4 125 Placer near Newcastle; Sacramento Quad. 243 Comment
  SEINET8197723  Calochortus superbus W. Roderick, R. Halliday 1967-6-10 s.n. Placer N edge of Auburn. 366 Comment
  UC465569  Caltha biflora Katharine Brandegee Placer Alta Comment
  CAS-BOT-BC126721  Calycadenia multiglandulosa G. K. Helmkamp; E. A. Helmkamp 2010-6-26 16368 Placer Sierra Nevada Mountains Foothills: junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  CAS-BOT-BC270653  Calycadenia multiglandulosa David D. Keck 1932-7-1 1590 Placer 2 miles N of Auburn 425 Comment
  UC935701  Calycadenia multiglandulosa David D. Keck and J. Clausen 1932-7-1 1590 Placer 2 mi n of Auburn 426 Comment
  CAS-BOT-BC270644  Calycadenia multiglandulosa Rimo Bacigalupi; et al. 1952-7-19 3849 Placer About 1.5 miles N of (and below) Colfax on grade along road to Iowa Hill, N slope of the canyon of the N Fork of the American River Comment
  CAS-BOT-BC270645  Calycadenia multiglandulosa John Thomas Howell 1929-10-4 4432 Placer 2.4 miles below Weimar on road to Colfax 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
  JEPS127654  Calyptridium monospermum Jurriaan M. de Vos 2014-6-27 295 Placer El Dorado NF. Ca. 1.8 miles SW along French Meadows Road toward Hell Hole from French Meadows Reservoir. Comment
  UC1136658  Calyptridium monospermum G. T. Nordstrom 1934-6-18 105 Placer 1/4 mi se of Texas Hill (Tahoe National Forest); Tahoe National Forest 1676 Comment
  UCD100347  Calyptridium monospermum Eric Brenner; John Hunter 1996-5-26 023 Placer Tahoe National Forest, Mosquito Ridge Rd. 1080 Comment
  UCD100379  Calyptridium monospermum D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon, Tahoe National Forest. 1500 Comment
  CAS-BOT-BC32900  Calyptridium nudum Charles Frederick Sonne 1885-7-12 39 Placer Sierra Nevada Mts. 2438 Comment
  UCR189640  Calyptridium umbellatum George K. Helmkamp, E. A. Helmkamp 2007-7-27 12635 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UCD13325  Calystegia occidentalis Kristy S. Howard 1989-6-3 180 Placer Placer Co.; Dry Creek Rd, T12N, R8E, Sect. 16, SW 1/4. Elev. 1220 ft. 371 Comment
  SEINET10743106  Calystegia vanzuukiae R. K. Brummitt, S. M. Namoff; K. Van Zuuk; Barbara J. Ertter 2012-6-12 Brummitt 22051 Placer Tahoe National Forest, 8.2 mi NE of Foresthill, on Sugar Pine Road, 4.4 mi from Forest Hill Road. 1170 Comment
  CAS-BOT-BC493372  Camassia quamash subsp. breviflora Alice Eastwood 1912-6-15 400 Placer Deer Park, Lake Tahoe Region Comment
  RSA456178  Campanula prenanthoides P. A. Munz 1934-7-9 12733 Placer Emigrant Gap. Comment
  UCR200865  Campanula prenanthoides George K. Helmkamp, E. A. Helmkamp 2008-9-15 14114 Placer Northern Sierra Nevada Mountains, along Foresthill Road 20 miles northeast of the city of Forest Hill 1707 Comment
  UC29008  Campanula prenanthoides Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET5341002  Capsella bursa-pastoris A. Tiehm, H. Mozingo; M. Williams; E. McPherson 1975-1 619 Placer One mile north of Lincoln. Comment
  UCD44012  Cardamine breweri var. breweri C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1378 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC37365  Cardamine californica G. L. Stebbins 1978-5-28 7876 Placer Along Ralston Ridge. Brushy Spring. 1463 Comment
  UCR115057  Cardamine cordifolia G. Fred Hrusa, J. Glazner 1997-8-3 14059 Placer Corner of Hwy 89 and Squaw Valley Rd. 2020 Comment
  CDA12415  Cardamine cordifolia var. lyallii G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8543 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CHSC40994  Cardamine pachystigma J. D. Jokerst 1984-6-23 2065 Placer Adjacent to and south of Big Mosquito Cr where it is crossed by road to the Placer Co Power Agency hydro site. 1249 Comment
  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
  UCD44599  Carex aquatilis var. aquatilis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1965 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CHSC74286  Carex athrostachya Susi Urie 1998-8-28 98 -131 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  CAS-BOT-BC19071  Carex aurea John Thomas Howell 1938-8-2 14002 Placer 5 miles north of Brockway. Comment
  CHSC85708  Carex brainerdii G. F. Hrusa; J. Glazner 1999-7-17 15184 a Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  CAS-BOT-BC34208  Carex canescens L. S. Smith 1935-7-22 2794 Placer Tulare Forest. South of Soda Springs near [illegible]. 2133 Comment
  CHSC110727  Carex davyi Dean Wm. Taylor 2010-8-10 20990 B Placer Martis Peak, near the Nevada Line in the headwaters of Juniper Creek 2508 Comment
  CHSC85711  Carex douglasii G. F. Hrusa; J. Glazner 1999-7-17 15176 Placer Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  OBI49273  Carex feta Lewis S. Rose 1939-6-5 39218 Placer Bear Valley, near Emigrant Gap 1372 Comment
  CAS-BOT-BC20167  Carex filifolia var. erostrata W. R. Dudley 1893-6-7 s.n. Placer By railroad west of Truckee. Comment
  CAS-BOT-BC20686  Carex fracta R. F. Hoover 1967-9-7 10853 Placer Antone Meadow. Comment
  CDA16044  Carex heteroneura G. F. Hrusa, J. Glazner 2000-9-3 15668 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of Crow's Nest ski run. 2164 Comment
  UCD75686  Carex heteroneura Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5135 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
  SEINET176588  Carex hoodii M. E. Jones 1882-6-28 3532 Placer Emigrant Gap Comment
  UCR120502  Carex illota George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5029 Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CHSC74288  Carex infirminervia Susi Urie 1998-8-13 98 -043 Placer Meadow along the south side of Ward Creek, about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD42851  Carex integra C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 218 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD43317  Carex lenticularis var. impressa C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 685 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  UC1729930  Carex lenticularis var. lipocarpa L. P. Janeway 1998-8-6 5979 Placer 1.7 mi w of Lake Tahoe (n side of Blackwood Creek, Homewood Quadrangle); Blackwood Creek, Homewood Quadrangle 1938 Comment
  CHSC72320  Carex luzulifolia L. P. Janeway 1998-9-18 6346 Placer Small meadow just below the Pacific Crest Trail about 2.4 mi north of Barker Pass; draining into North Fork Blackwood Creek. 2331 Comment
  CAS-BOT-BC32454  Carex luzulifolia var. strobilantha Amos Arthur Heller 1903-8-17 7187 Placer Above Donner Pass 2286 Comment
  RSA163823  Carex multicaulis Clare B. Hardham 1961-6-14 7349 Placer Route 40, near Baxter. Comment
  CAS-BOT-BC32275  Carex multicostata J. H. Thomas; H. A. Thomas 1956-7-21 6215 Placer Sierra Nevada. Donner Pass ca. 80 mi NE of Sacramento. 2377 Comment
  CHSC74450  Carex nebrascensis Susi Urie 1998-8-27 98 -121 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  RSA35109  Carex nebrascensis L. S. Rose 1944-7-25 s.n. Placer Chambers lodge, Lake Tahoe. 1921 Comment
  SEINET7568687 Image available Carex nebrascensis L. P. Janeway 2004-8-18 8247 Placer Homewood 7.5' quad. Northern High Sierra Nevada, between Blackwood Canyon Road and Blackwood Creek 2.7 km west from Hwy 89 and west shore of Lake Tahoe. 1945 Comment
  UCD140682  Carex nebrascensis Mrs. H. P. Kelley 1915-6-18 s.n. Placer Squaw Valley. Comment
  UCD44595  Carex nebrascensis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1961 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UCD42885  Carex nervina C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 252 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD80257  Carex nudata CNPS SN Foothill Team 2005-4-13 SNFN 0107 b Placer Placer Legacy, on Didion Ranch, east of Spear's Ranch, on the north bank of Coon Creek, approximately 500 meters west of the east boundary of the study area. 143 Comment
  SD167386  Carex obnupta Darley F. Howe 1951-5-2 Placer 456 Comment
  CHSC74136  Carex pachystachya Susi Urie 1998-8-25 98 -098 Placer Lake Tahoe Basin Management Unit. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC118341  Carex praegracilis Bolander 4549 Placer Meadows near Auburn Comment
  UC809  Carex praegracilis H. N. Bolander 1865-4-11 4550 Placer near Auburn Comment
  CAS-BOT-BC118469  Carex praegracilis Henry Nicholas Bolander 1865-4-11 4550 Placer In a meadow near Auburn. Comment
  CAS-BOT-BC118757  Carex preslii John Thomas Howell 1943-7-21 18633 Placer Donner Pass to Mt. Lincoln Comment
  JEPS73176  Carex proposita Gladys L. Smith 1972-8-25 3417 Placer se-facing slope of Granite Chief Granite Chief 2621 Comment
  SEINET13699934  Carex raynoldsii A. A. Heller 1909-7-16 9854 Placer Summit [Donner Summit] 2134 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
  SEINET4285926 Image available Carex simulata K. Chung, Matson, S 2009-1 1079 Placer Lake Tahoe, north side Comment
  CAS-BOT-BC117695  Carex simulata James A. Neilson 1971-8-22 2372 Placer Near King's Beach. Comment
  CHSC85755  Carex subfusca G. F. Hrusa; J. Glazner 1999-7-17 15178 Placer Martis Valley. Off Hwy 267, s of Truckee. 1889 Comment
  CHSC74718  Carex utriculata Susi Urie; Eric Schroder 1998-9-11 98 -340 Placer Lake Tahoe Basin Management Unit. Antone Meadows: along Burton Creek, about 2.1 mi northwest of Lake Antone. 2072 Comment
  JEPS63520  Carex utriculata W. L. Jepson 1934-8-7 16881 Placer near Squaw Creek; Truckee River Comment
  CAS-BOT-BC115401  Carex utriculata Catherine Best 1938-8-2 14001 Placer 5 mi N of Brockway Comment
  UCD140949  Carex utriculata L. S. Smith 1916-6-20 642 Placer Lake Tahoe. Sierra Nevada. 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
  UC1729965  Carex vesicaria var. vesicaria L. P. Janeway, Eric Schroder 1998-9-16 6325 Placer about 3.7 mi sw of Lake Tahoe (southwestern border of Lily Lake, head of McKinney Creek, Homewood Quadrangle); Lily Lake, McKinney Creek 2164 Comment
  UC710439  Carex whitneyi Lewis S. Rose 1944-7-26 44279 Placer Chambers Lodge Lake Tahoe 1920 Comment
  SEINET3909086  Carex whitneyi N. H. French 1934-6-26 s.n. Placer Tahoe National Forest.; 0 Comment
  SEINET12029476  Castanopsis chrysophylla C. F. Sonne 1884-1 s.n. Placer Comment
  UCD21860  Castilleja Rex Palmer 1979-7-10 N 516 Placer Exact location unknown. Comment
  JEPS88816  Castilleja affinis subsp. affinis T. I. and F. M. Chuang 1991-6-29 7838 Placer Gold Run Comment
  SCFS1148  Castilleja applegatei E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #4. Comment
  UC148982  Castilleja applegatei subsp. pinetorum H. M. Hall Jul 1910 8707 Placer Cisco; Sierra Nevada Mountains 1798 Comment
  UC1713294  Castilleja applegatei subsp. pinetorum Katharine Brandegee Jul 1911 Placer Donner 2133 Comment
  UC198252  Castilleja applegatei subsp. pinetorum Katharine Brandegee Aug 1917 Placer Donner Summit Comment
  UCR233277  Castilleja applegatei subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2011-7-9 17685 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 1.6 miles southeast of its junction with Foresthill Road at Foresthill 883 Comment
  CHSC3844  Castilleja exserta Gary Dutton 1966-3-25 147 Placer Found on hwy. 40 one mile east of Auburn. Comment
  SD241183  Castilleja foliolosa George K. Helmkamp, E. A. Helmkamp 2010-4-17 15893 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 8.0 miles southwest of its junction with CA-49 near Pilot Hill (Pilot Hill 7.5'Q) 321 Comment
  UC886498  Castilleja lacera C. L. Hitchcock 1940-5-14 6387 Placer ca 6 mi n Colfax (Meier Ranch) 762 Comment
  UCD41257  Castilleja lacera Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1714 Placer East of Hwy 80 and town of Colfax, west side of the North Fork of the American River canyon. Along Iowa Hil Road, about 2.3 road miles east of junction with Canyon Way in town of Colfax. By sign that says Mineral Bar Area. 457 Comment
  JEPS9828  Castilleja miniata W. L. Jepson 1918-7-30 7732 Placer Tahoe; Lake Tahoe 1920 Comment
  UC198547  Castilleja miniata Katharine Brandegee Aug 12 1917-Aug 16 1917 Placer Donner Summit Comment
  RSA448748  Castilleja miniata Wm Vortriede 1928-1 s.n. Placer Lake Tahoe. Comment
  SJSU2187  Castilleja miniata H. T. Harvey 1958-8-19 Placer Sugar Bowl 1 mi E of Donner Summit 2164 Comment
  UCD162605  Castilleja miniata subsp. miniata Steve Matson 1998-6-21 278 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 0.9 miles north of Highway 267; 200 yards east of Boundary Fence , along East Martis Creek. 1780 Comment
  POM286330  Castilleja pilosa Lyman Benson 1942-7-2 11253 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  UCR194930  Castilleja subinclusa subsp. subinclusa George K. Helmkamp, E. A. Helmkamp 2007-5-18 12013 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 2.8 miles southeast of Foresthill 814 Comment
  JEPS4524  Castilleja tenuis Rimo Bacigalupi and L. R. Heckard 1951-8-9 3490 Placer 2 mi s Tahoe Pines (near shore of Lake Tahoe) 1900 Comment
  UC1071509  Ceanothus N. French 1933-5-16 120 Placer 3 mi se Colfax; Colfax Quad. Comment
  LA27683  Ceanothus cordulatus L. S. Rose; 1941-7-14 41315 Placer Chambers Lodge, Lake Tahoe 1900.0 Comment
  POM263653  Ceanothus cordulatus Lewis S. Ross 1941-7-14 41315 Placer Chambers lodge (McKinney), Lake Tahoe. Comment
  RSA634244  Ceanothus cordulatus Robert M. Rhode, B. Nemeth 1997-6-26 168 Placer Near Blackwood Creek Canyon Road, about 0.4 miles west of turnoff from Highway 89 ( c. 4 miles south of Tahoe City) 1921 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
  SACT002892  Ceanothus cordulatus Josephine Van Ess 1980-7-23 Placer Grove of Sierra Redwoods. Collected along nature trail in park. Stiffly branched shrub open area in forest. Comment
  SEINET191643  Ceanothus cordulatus L. S. Rose 1941-7-14 41315 Placer Lake Tahoe Chambers Lodge (McKinney) Lake 1900 Comment
  UCD143726  Ceanothus cordulatus F. Felix, E. Krimmel 2013-5-26 48 -A Placer North Fork/Chickering American River Reserve. 0.1 mile south of where Onion Creek crosses Cedars Road. Comment
  UCD112105  Ceanothus cuneatus var. cuneatus G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11714 Placer Northern Sierra Nevada Mountains; Forest Hill Road at the junction with unnamed road to Lake Clementine. 457 Comment
  UCD22204  Ceanothus fresnensis Rex Palmer 1979-5-27 N 110 Placer Headwaters basin area of the North Fork of the American River Comment
  UC1736119  Ceanothus fresnensis Dean W. Taylor 1971-7-22 1111 Placer trail from Soda Springs to the Snow Mountain area, ca. 3 miles N of Snow Mtn, 2133 Comment
  CAS-BOT-BC50758  Ceanothus integerrimus H. E. McMinn 1926-5-28 1741 Placer 10 miles N.W. of Auburn, along highway from Auburn to Grass Valley Comment
  CAS-BOT-BC50762  Ceanothus integerrimus Brandegee 1889-7-1 26 Placer Alta Comment
  LA43607  Ceanothus integerrimus C. L. Hitchcock; 1940-5-7 6354 Placer ca. 1 mi. W of Baxter Comment
  UCD111956  Ceanothus integerrimus Eric Brenner; John Hunter 1996-5-26 026 Placer Tahoe National Forest, Mosquito Ridge Rd. 1280 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
  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-BC51155  Ceanothus lemmonii C. L. Hitchcock 1940-5-7 6327 Placer ca. 1 mile West of Baxter Comment
  SACT002942  Ceanothus lemmonii Michael Baad 1983-6-26 Placer Collected on trail to springs. 2 miles northeast of Michigan Bluff Comment
  SEINET11192358  Ceanothus parvifolius P. L. Comanor, B. Clark, B. O'Malia 1969-5-15 s.n. Placer Approx. 3 miles west of Colfax plot (1.85 miles from end of railroad bridge Calif. 194), up a dirt road located 1/2 mile past Bear Creek bridge additional 4/10 mi. Comment
  UCD112654  Ceanothus prostratus G. K. Helmkamp; E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 11.1 miles northeast of Foresthill. 1463 Comment
  UCD112662  Ceanothus prostratus R. Prag 1972-6-6 239 Placer Ward Valley. 2042 Comment
  UCR191062  Ceanothus prostratus George K. Helmkamp, E. A. Helmkamp 2007-5-23 12054 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 11.1 miles northeast of Foresthill 1463 Comment
  UC18418  Ceanothus tomentosus H. N. Bolander 1865-4-13 4558 Placer Forest Hills Comment
  CAS-BOT-BC52880  Ceanothus tomentosus var. tomentosus Kath. Brandegee 1908-6-1 s.n. Placer Between Magra and Cape Horn Comment
  CAS-BOT-BC282012  Centaurea calcitrapa K. Stark 1970-5-1 s.n. Placer Corner of Interstate 80 and Auburn Ravine Rd, Auburn Comment
  UCD132722  Centaurea melitensis Denali Beard 2012-6-12 s.n. Placer Auburn State Recreation Area, in Mammoth Bar OHV area. Also observed along edge of Squaw Flat Trail. 500 Comment
  CDA7328  Centaurea solstitialis T. C. Fuller 1958-4-15 3800 Placer 1 mile south of Roseville. 0 Comment
  UCD63136  Centaurea stoebe subsp. micranthos A. M. Shapiro 2007-8-17 s.n. Placer Nyack. 1609 Comment
  UC1980595  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 Highway 20; 8 mi W of Grass Valley Comment
  CAS-BOT-BC288616  Centromadia fitchii L. R. Abrams 1927-9-13 12153 Placer Lincoln Highway 11 miles E of Auburn Comment
  CAS-BOT-BC288618  Centromadia fitchii J. Clausen 1932-9-16 650 Placer 2.5 miles from Auburn on the Sacramento Rd Comment
  SEINET6166154  Cephalanthera austiniae M. J. Williams 1984-6-24 84- 62 -2 Placer Skillman Flat Campground, near Highway 20 1341 Comment
  SEINET11170792  Cephalanthus occidentalis E. Rasmussen 1971-10-2 11 Placer Ground near bank of N. Fork American River 305 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-BC136989  Cercocarpus betuloides var. betuloides W. R. Dudley 1909-7-22 s.n. Placer Lover's Leap, American River Comment
  OBI20160  Chaenactis douglasii David J. Keil 1978-7-23 12926 Placer Cisco Grove exit from I-80, just E of Nevada Co line 1768 Comment
  UCD159478  Chaenactis douglasii D. S. Park 2010-8-21 231 Placer Off Hampshire Rocks Rd. Shaded understory. Not adundant. Few individuals near dried creek bed. 1806 Comment
  SEINET11826500  Chaenactis douglasii Unknown 1972-1 s.n. Placer French Meadows 1524 Comment
  CAS-BOT-BC276713  Chaenactis douglasii var. douglasii Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles S of French Meadows 1600 Comment
  CAS-BOT-BC276718  Chaenactis douglasii var. douglasii Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region Comment
  CHSC44856  Chaenactis douglasii var. douglasii Lowell Ahart 1975-8-23 959 Placer Mountain side along the edge of Baker Ranch Soda Springs Road, between Sailor Flat and Robinson Flat, about 15 air miles north-east of Forest Hill. 1828 Comment
  JEPS126349  Chaenactis douglasii var. douglasii Steve Matson 1997-7-19 117 Placer Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; Middle Fork Snow Creek. Comment
  UC1035483  Chaenactis douglasii var. douglasii Kay H. Beach 1940-6-30 813 Placer 5.6 mi e Emigrant Gap (on US 40); Sierra Nevada Mountains 1676 Comment
  UC1119686  Chaenactis douglasii var. douglasii H. S. Yates 1934-6-29 3891 Placer near Bijou; El Dorado National Forest, Markleeville 1920 Comment
  UCR207126  Chaenactis douglasii var. douglasii George K. Helmkamp, E. A. Helmkamp 2009-7-16 15215 Placer Sierra Nevada Mountains, Forest Hill Road, 26.1 miles northeast of the city of Foresthill, c. 3/4 mi. NW of Sailor Flat 2020 Comment
  NY163287  Chaenactis rubricaulis H. A. Walker 1910-6-22 176 Placer Deer Park, in the Sierra Nevada 1970 Comment
  SEINET1783833  Chaenactis rubricaulis H. A. Walker 1910-6-22 2170 Placer Deer Park, in the Sierra Nevada. 1970 Comment
  CAS-BOT-BC141729  Chamaebatia foliolosa Ella Dales Cantelow 1937-7-11 4295 Placer Alta Comment
  RSA3007  Chamaebatia foliolosa Carl B. Wolf 1931-9-11 2423 Placer 1 mile W of Gold Run, W slope Sierra Nevada. 915 Comment
  SBBG70529  Chamaebatia foliolosa M. N. Ackley -Jun-1925 948 Placer Gold Run 983 Comment
  SCFS11529129  Chamerion angustifolium E. Krimmel 2012-8-28 Placer NFAm below Chickering bridge. Growing near drying streambed. Comment
  SBBG60190  Chamerion angustifolium unknown 1895-1 Placer American River Comment
  CAS-BOT-BC70192  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
  UCD137431  Cheilanthes gracillima S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. 1850 Comment
  UCD75691  Chimaphila menziesii Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5140 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  CHSC97012  Chondrilla juncea L. P. Janeway 2007-7-8 9107 Placer Northern Sierra Nevada Foothills. Along Hwy 193 0.6 km east of Newcastle. Plants scattered along the edges of the road from Georgetown to Cool to Auburn to Lincoln. 268 Comment
  JEPS51832  Chondrilla juncea T. C. Fuller 1965-10-15 14209 Placer just s of Penryn overpass, Penryn (e side of Interstate 80 to Auburn); Sierra Nevada 182 Comment
  UCD132717  Chondrilla juncea Ramona Robison 2012-6-21 s.n. Placer Auburn State Recreation Area, campground area and adjacent to Lake Clementine. Occurs on access roads leading to the Lake as well as Foresthill Road and Highway 49. 219 Comment
  UCR109611  Chondrilla juncea R. D. Goeden, Don W. Ricker 1967-6-9 s.n. Placer Sierra Nevada Foothills, Newcastle, on I-80 SW of Auburn 250 Comment
  UCR109650  Chondrilla juncea T. C. Fuller 1967-5-3 15764 Placer Sierra Nevada Foothills, corner of overpass of Interstate 80, Penryn Comment
  CAS-BOT-BC279802  Chondrilla juncea T. C. Fuller 1965-10-15 14209 Placer E. side of Interstate 80 to Auburn just s. of Penryn overpass, Penryn, Sierra Nevada 182 Comment
  CAS-BOT-BC36354  Chrysolepis sempervirens George B. Grant 1906-8-1 7039 Placer About Lake Tahoe 2438 Comment
  CAS-BOT-BC36375  Chrysolepis sempervirens R. F. Hoover 1967-9-5 10823 Placer Carnelian Bay, Lake Tahoe Comment
  OBI14341  Chrysolepis sempervirens Robert F. Hoover 1967-9-5 10823 Placer Carnelian Bay, Lake Tahoe Comment
  RSA122992  Chrysolepis sempervirens G. T. Nordstrom 1934-6-19 115 Placer 1/2 mile northeast of Texas Hill. 1555 Comment
  SD243150  Chrysolepis sempervirens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16768 A Placer Northern Sierra Nevada Mountains:Deadwood Riad, 1.2 miles south of its junction with Forest Hill Road (Westville 7.5'Q) 1563 Comment
  UCD110121  Chrysolepis sempervirens B. Crampton 1956-8-18 3765 Placer 2 miles north of Blue Canyon. 1524 Comment
  UCD150765  Chrysolepis sempervirens James A. Neilson Jr. 1970-8-1 1695 Placer Tahoe Basin, SW Tahoe City. 1901 Comment
  UCD130485  Cichorium intybus G. K. Helmkamp; E. A. Helmkamp 2006-8-11 11208 Placer Northern Sierra Nevada Mountains: along Forest Hill Road, 1.0 mile north of Forest Hill. 1037 Comment
  SEINET12189142  Circaea alpina subsp. pacifica C. F. Sonne 1884-1 116 Placer Comment
  UC128206  Circaea alpina subsp. pacifica Miss Harriet A. Walker 1908-7-27 1454 Placer near Iron Spring Cisco Comment
  CAS-BOT-BC289612  Cirsium andersonii Mary P. Wells 1980-9-12 s.n. Placer West of Pioneer Way Tahoe City 1981 Comment
  UCD83648  Cirsium andersonii Albert Grigarick 2009-9-10 201 Placer Squaw Valley Resort, ca. 0.25 mi W of Squaw Village. 1920 Comment
  SEINET7451058 Image available Cirsium andersonii F. H. Hillman s.n. Placer Between Truckee and Lake Tahoe Comment
  UCD130420  Cirsium arvense Beecher Crampton 1961-9-27 6019 Placer Blue Canyon. 1430 Comment
  SD234291  Cirsium occidentale var. californicum G. K. Helmkamp, E. A. Helmkamp 2007-5-30 12200 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 17 miles east of its junction with Forest Hill Road in Foresthill, NW of Ditch Camp. 963 Comment
  CAS-BOT-BC439026  Cistanthe monosperma A. A. Heller 1917-6-19 12740 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC439028  Cistanthe monosperma Miss. H. A. Walker 1908-6-23 1207 Placer Blue Canon [Canyon] Station, in the Sierra Nevada 1470 Comment
  SBBG120611  Clarkia biloba G. K. Helmkamp with E. A. Helmkamp 2006-6-14 10708 Placer 0.2 mi N of Forest Hill Rd on unnamed rd to Lake Clementine (general area NE of Auburn on Forest Hill Divide) 488 Comment
  LA205993  Clarkia biloba subsp. brandegeeae H. Lewis; M. Lewis 1947-6-10 385 Placer US Highway 40, 1.8 mi. S of S turnoff of Colfax Comment
  RSA122172  Clarkia biloba subsp. brandegeeae C. R. Clar 1933-5-6 115 Placer Near Newcastle. 183 Comment
  UCD147101  Clarkia biloba subsp. brandegeeae Chuck Hughes 2013-6-6 385 Placer Near margin of Camp Far West Reservoir. 6 Comment
  UCR173729  Clarkia biloba subsp. brandegeeae George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10708 Placer Northern Sierra Nevada Mountains foothills, 0.2 mile north of Forest Hill Road on Lake Clementine Rd., area northeast of Auburn on Forest Hill Divide 488 Comment
  UCR218115  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2010-6-26 16379 Placer Sierra Nevada Mountains Foothills, junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UC725935  Clarkia purpurea A. A. Heller 1941-5-10 16121 Placer 1 mi n Lincoln (along U. S. Highway #99E) Comment
  CAS-BOT-BC162496  Clarkia purpurea subsp. purpurea Alice Eastwood 1921-5-22 10593 a Placer Sacramento Valley, between Lincoln & Sheridan Comment
  CAS-BOT-BC163361  Clarkia purpurea subsp. purpurea W. A. Weber; Lewis S. Rose 1953-5-19 8384 Placer 5 mi. n. of Roseville on road to Lincoln 45 Comment
  POM264676  Clarkia purpurea subsp. purpurea Lincoln Constance 1941-5-28 2821 Placer 2 miles north of Lincoln, Sacramento Valley. 61 Comment
  UC660017  Clarkia purpurea subsp. quadrivulnera Lincoln Constance 1941-5-28 2821 Placer 2 mi n Lincoln; Sacramento Valley 60 Comment
  UC147597  Clarkia rhomboidea Miss Harriet A. Walker 1908-6-24 1271 Placer Blue Canyon 1432 Comment
  UCR193338  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2007-5-30 12176 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  UC1122463  Clarkia unguiculata N. French, R. Clar 1933-6-5 20 Placer Middle Fork American River Sacramento Quadrangle Comment
  UCR218449  Clarkia unguiculata George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16420 Placer Sierra Nevada Mountains Foothills, Yankee Jims Road, 3.2 miles southeast of its junction with Canyon Way, 4.4 air mi. SE (156 deg. ) of Colfax 412 Comment
  POM37811  Clarkia williamsonii Marcus E. Jones 1882-7-3 3341 Placer Colfax. Comment
  UCD150639  Clarkia xantiana Barbara Rodeheaver 1973-5-27 87 Placer Two miles E intersection Hwy. 49 on Foresthill Rd. 457 Comment
  CAS-BOT-BC229138  Claytonia parviflora subsp. grandiflora Peter H. Raven; G. L. Stebbins, Jr. 1952-4-20 4013 Placer North Fork American River south of Auburn near bridge on Rt. 49 213 Comment
  UCR235619  Claytonia parviflora subsp. grandiflora George K. Helmkamp, E. A. Helmkamp 2012-5-5 18919 Placer Northern Sierra Nevada Mountains Foothills, Lake Clementine Road, 1.2 miles west of its junction with Foresthill Road, 0.3 air mi. SE (123 deg. ) of Clementine Dam on the American River 396 Comment
  CAS-BOT-BC233868  Claytonia parviflora subsp. parviflora L. S. Smith 1925-6-3 1615 Placer Below Yankee Jim- Forest Hill Divide, Tahoe Forest 746 Comment
  UCR194965  Claytonia perfoliata subsp. perfoliata George K. Helmkamp, E. A. Helmkamp 2007-5-18 12028 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road near the crossing of the North Fork of the West Fork of the American River; 9.5 miles southeast of Foresthill 439 Comment
  JEPS127459  Claytonia rubra subsp. rubra Steve Matson 2003-4-27 779 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 600 yards north of Highway 267;west of Martis Creek. Comment
  UC1136709  Claytonia rubra subsp. rubra N. French 1934-6-15 412 Placer Scott Hill; Tahoe National Forest, Colfax Quad. 1463 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
  LA207188  Clematis lasiantha Annetta M. Carter; 1937-4-25 1249 Placer Between Folsom and Auburn, 6.5 mi SE of Loomis 152 Comment
  CAS-BOT-BC92556  Clematis ligusticifolia H. E. McMinn 18 Placer Tahoe. Comment
  RSA781185  Collinsia heterophylla George K. Helmkamp, E. A. Helmkamp 2010-4-17 15897 Placer Rattlesnake Bar Road, 8.3 miles southwest of its junction with CA-49 near Pilot Hill 308 Comment
  SBBG27379  Collinsia parviflora C. L. Hitchcock 1995-5-14 6395 Placer Meier Ranch, ca. 6 mi N of Colfax Comment
  UCD162572  Collinsia parviflora Steve Matson 1998-6-23 236 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; middle fork at big pine meadow. 1920 Comment
  POM147912  Collinsia tinctoria J. B. Feudge 1927-7-18 1764 Placer West of Emigrant Gap. 1524 Comment
  RSA785458  Collinsia tinctoria George K. Helmkamp, E. A. Helmkamp 2010-6-26 16369 Placer junction of Canyon Way and Yankee Jim's Road, east of I-80 between Weimar and Colfax 616 Comment
  UC885593  Collinsia tinctoria Marcus E. Jones, A. M. 1882-7-3 3433 Placer Colfax Comment
  UCD123537  Collinsia tinctoria G. K. Helmkamp; E. A. Helmkamp 2006-6-14 10713 Placer Northern Sierra Nevada Mountains foothills. 0.2 mile N of the Forest Hill Road on unnamed road to Lake Clementine (general area northeast of Auburn on Forest Hill Divide). 487 Comment
  UC566097  Collinsia torreyi var. torreyi B. Bolt 1934-7-11 99 Placer Tahoe National Forest, Cascade Lake Cascade Lake; Tahoe National Forest, Cascade Lake 2042 Comment
  JEPS72695  Collinsia torreyi var. wrightii Gladys L. Smith 1972-6-18 3167 Placer Alpine Meadows 2072 Comment
  CHSC73059  Collomia grandiflora L. P. Janeway 1998-8-6 5973 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  JEPS111288  Collomia grandiflora Steve Matson 2005-7-4 1372 Placer Martis Valley, southeast of Truckee, National Recreation Area (Army Corps of Engineers), south of Highway 267 and south of Martis Creek and west of Northstar subdivision; near stream. 39.2899 N, 120.1367 W: elevation 5,900 ft. 1798 Comment
  UCD33740  Collomia grandiflora Beecher Crampton 1972-7-26 8852 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  RSA409231  Collomia heterophylla Fay A. MacFadden 1934-7-1 12724 Placer Canyon Creek - Dutch Flat. Comment
  RSA262365  Collomia heterophylla J. M. Tucker 1975-5-24 4351 Placer ca. 100 yards east of junction of Spring Garden Road with Auburn-Foresthill Road (or 3.7 miles west of Foresthill) 762 Comment
  SEINET2445719  Collomia heterophylla J. M. Tucker 1975-5-24 4351 Placer Ca. 100 yards E of jct of Spring Garden Road with Auburn-Foresthill Road. (or 3.7 miles W of Foresthill). 762 Comment
  CHSC73060  Collomia linearis L. P. Janeway 1998-8-6 5969 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  JEPS111195  Collomia linearis Steve Matson 2005-7-4 1368 Placer Martis Valley, southeast of Truckee, National Recreation Area, south of Highway 267 and south of Martis Creek on western edge of Northstar subdivision; on trail near stream. 39.2915 N, 120.1352 W: Elevation 5,900 ft. 1798 Comment
  UC879773  Collomia linearis Lewis S. Rose 1937-7-29 37610 Placer meadows Tahoe Vista 1905 Comment
  SEINET3861935  Collomia tinctoria Genevieve K. Walden 2009-6-25 207 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
  UCR218247  Conium maculatum George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16433 Placer Sierra Nevada Mountains Foothills, Iowa Hill Road, 1.9 miles southeast of its junction with Canyon Way in Colfax 415 Comment
  UCR194976  Convolvulus arvensis George K. Helmkamp, E. A. Helmkamp 2007-5-18 11995 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
  UC525852  Corallorhiza maculata Miss E. E. Morse 1934-5-4 Placer Towle Comment
  UC147584  Corallorhiza striata Harriet A. Walker 1908-6-23 1221 Placer Blue Canyon 1432 Comment
  RSA479486  Cordylanthus mollis subsp. hispidus Robert Holland 1982-8-16 1210 Placer Spring Valley, headwaters of Rocklin. Comment
  UCD123120  Cordylanthus tenuis P. Rodriguez-Rojo; D. Sanchez-Mata 1997-8-8 Placer Tahoe National Forest. Todd Valley-Forest Hill. Forest Hill Rd. 850 Comment
  LA83022  Cordylanthus tenuis subsp. tenuis O. H. Kappler; 1946-7-18 1313 Placer Homewood, Lake Tahoe 1920 Comment
  UCD162553  Cordylanthus tenuis subsp. tenuis Steve Matson 1997-8-17 177 Placer nSNH; Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; along road North Ave. dirt extension. 1920 Comment
  UCD80050  Coreopsis stillmanii CNPS SN Foothill Team 2005-3-12 Survey Placer Auburn State Recreation Area. Comment
  POM146205  Cornus californica J. B. Feudge 1725 Placer W. of Immigrant Gap. 1524 Comment
  UC1122775  Cornus nuttallii B. Bolt 1934-7-23 165 Placer end of Traveled Rd. from Westville (Plot #249); Tahoe Nat'l Forest, Colfax Quad. Comment
  UCD14939  Cornus nuttallii John Warren 1977-6-4 44 Placer California, Placer Co.; 3.2 miles northwest of the junction with Interstate-80 along Highway 20; Comment
  UCD15249  Cornus nuttallii Ted Graber 1984-5-28 13 Placer Along Frontage Road in the town of Baxter. 1158 Comment
  UCD164641  Cornus nuttallii Brandi Sorensen 1995-5-17 1 Placer .73 kilometers northwest of Colfax. 671 Comment
  CDA12394  Cornus sericea G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8522 A Placer Lake Tahoe; N side of Ward Valley, 4 mi SW Tahoe City. Comment
  SBBG8909  Cornus sericea subsp. sericea E. R. Blakley 1960-9-4 3825 Placer hill 1 mi N of Carnelian Bay, Lake Tahoe 2072 Comment
  POM148858  Corydalis caseana C. F. Sonne 1895-07 s.n. Placer Ravine on Truckee River, Sierra Nevada Comment
  UCD160953  Crepis G. Ledyard Stebbins 1978-5-29 78104 Placer El Dorado National Forest. Little Crater above Ralston Ridge. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC290350  Crepis acuminata Margaret Williams 1974-8-8 74 -Pl-35 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  CAS-BOT-BC291526  Crepis intermedia M. S. Jussel 1928-6-25 s.n. Placer Tahoe City Comment
  UC1178527  Cryptantha affinis Malcolm A. Nobs 1950-9-24 Placer e slope Squaw Peak 1828 Comment
  SD62073  Cryptantha flaccida Darley F. Howe 1965-5-20 4056 Placer 3.5 miles north of Auburn 455 Comment
  CAS-BOT-BC218769  Cryptantha humilis C. F. Sonne 1885-6-21 248 Placer Mt. Head of Squaw Valley on Truckee River 2743 Comment
  SJSU13929  Cryptantha torreyana N. A. Hopkins 1986-7-21 1365 Placer Martis Valley 3 mi SE of Truckee Comment
  SCFS1154  Cuscuta E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #2. Comment
  UCD34171  Cuscuta brachycalyx Beecher Crampton 1977-7-2 9512 Placer 3.5 miles N.E. of Auburn, east of Elder's Corners on Dry Creek road. Comment
  POM84452  Cuscuta californica Marcus E. Jones 1882-5-3 s.n. Placer Colfax Comment
Read comments
Sep 7 2010
  UC879491  Cuscuta californica P. A. Lebenbauer 1934-7-8 Placer Cisco 2133 Comment
  UCR209746  Cuscuta californica var. californica George K. Helmkamp, E. A. Helmkamp 2009-8-12 15441 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
  SCFS1192  Cymopterus terebinthinus E. Krimmel 2014-4-21 Placer NFAm. 200 yards south of Pt. Mariah warming hut Comment
  UCR246831  Cymopterus terebinthinus var. californicus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16665 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 1.6 miles west of the junction with Soda Springs Road at Robinson Flat 2040 Comment
  UCR232622  Cynoglossum occidentale George K. Helmkamp, E. A. Helmkamp 2010-7-28 16636 Placer Northern Sierra Nevada Mountains, Forest Route 10 (Sugar Pine Rd.), 0.8 mile north of its junction with Forest Hill Road, 8.2 miles NE (34 deg. ) of Foresthill 1311 Comment
  CAS-BOT-BC190357  Cynosurus echinatus Saichi Kawahara 1969-7-6 1415 Placer West of old cabin, Mel Henderson Ranch, Indian Creek. 999 Comment
  SACT000850  Cynosurus echinatus Michael Baad 1983-5-5 Placer One mile north of placer Hills Road on Milk Ranch Road. 2 miles from Colfax, open hillside, north-facing slope. 609.6 Comment
  SACT000852  Cynosurus echinatus Michael Baad 1977-6-3 Placer Blue Oak woodland. Roadside. 609.6 Comment
  SD260155  Cynosurus echinatus George K. Helmkamp, Mary Alice Barnes 2015-5-3 20478 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92a^z) of Foresthill (Forest Hill 7.5'Q) 829 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
  SACT000859  Cynosurus echinatus 1930-5-29 Placer No determiner/collector available. Comment
  CAS-BOT-BC114263  Cyperus esculentus Peter H. Raven 1954-8-27 7960 Placer Week in an orchard, Penryn. Comment
  UCD39019  Cytisus scoparius Beecher Crampton 1960-11-2 5792 Placer 2 miles east of Bowman, along US Hwy. 40. Comment
  CAS-BOT-BC190500  Dactylis glomerata Marcus E. Jones 1882-6-27 3283 Placer Emigrant Gap. Comment
  SACT000877  Dactylis glomerata 1925-5-29 Placer No determiner/collector listed. Comment
  RSA21165  Damasonium californicum Carl B. Wolf 1937-6-11 8774 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  CAS-BOT-BC189859  Danthonia californica Beecher Crampton 1956-7-17 3731 Placer 1.3 mile north of Blue Canyon. 1524 Comment
  UCD60504  Danthonia californica var. americana Beecher Crampton 1964-7-21 7117 Placer 1/2 mile WNW of Cisco Grove, US Hwy. 40. 1706 Comment
  UCD60695  Danthonia californica var. americana F. M. Reed and R. L. Pendleton 1907-7-25 1776 Placer Lake Tahoe Region, road near Modjiska Falls, Glen Alpine. 2042 Comment
Read comments
Jun 21 2012
  UCD60962  Danthonia californica var. americana Beecher Crampton 1964-7-21 7118 Placer 1/2 mile WNW of Cisco Grove, U.S. Hwy. 40. 1706 Comment
  UCD61002  Danthonia californica var. americana Mrs. H. P. Kelley 1916-7-15 Placer Fallen Leaf Lake, Tahoe. Comment
  CAS-BOT-BC420642  Darmera peltata Brandegee Unspecified s.n. Placer Blue Canon Comment
  UCD22271  Dasiphora fruticosa Rex Palmer 1979-6-20 N 351 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA25788  Daucus carota G. K. Helmkamp, E. A. Helmkamp 2007-10-28 13104 Placer Sacramento Valley; Along Nicolaus Road 5.8 miles west of Lincoln. Comment
  UCR233273  Daucus carota George K. Helmkamp, E. A. Helmkamp 2011-7-9 17676 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  POM265558  Delphinium decorum C. L. Hitchcock 1940-5-7 6334 Placer 1 mile west of Baxter. Comment
  UCD22178  Delphinium depauperatum Beth Lowe Corbin 1982-8-4 229 Placer 1/3 mile NW of Onion Creek Campground. SW facing slope, 10% inclination. Uncommon. Partial sun. Opening in white fir forest on rocky, fine, sandy soil. Flowers deep blue, with white markings. 1981 Comment
  JEPS59473  Delphinium depauperatum Ezra Brainerd and Viola B. Baird 1915-7-10 214 a Placer Deer Park Road; Sierra Nevada Mountains 1920 Comment
  UC118698  Delphinium glaucum C. F. Sonne 1896-8-16 Placer canyon near Truckee (along stream) Comment
  CAS-BOT-BC8745  Delphinium hansenii H. Lewis; C. Epling 1941-5-24 s.n. Placer near Auburn Comment
  RSA149669  Delphinium hansenii Harlan Lewis 1941-5-24 s.n. Placer Auburn Comment
  UCR218243  Delphinium hansenii subsp. hansenii George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16428 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-BC116473  Delphinium nuttallianum A. A. Heller 1909-7-16 s.n. Placer Summit 2133 Comment
  CAS-BOT-BC116093  Delphinium nuttallianum Charles von Geldern 1912-5-1 S.N. Placer American river Comment
  UC9223  Delphinium patens Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET268904  Delphinium variegatum K. L. Chambers, C. L. Carlbom 1962-4-22 2128 Placer Hwy. 65 between Roseville and Lincoln 1.4 mi north of the railroad overpass north of Roseville. Comment
  SD43652  Delphinium variegatum subsp. variegatum Darley F. Howe 1948-5-21 1907 Placer Placer Co. Comment
  SDSU10058  Delphinium variegatum subsp. variegatum D. F. Howe 1948-5-21 1907 Placer 457 Comment
  SEINET5339604  Dendromecon rigida K. Brandegee s.n. Placer Magra station between Cape Horn and Alta. Comment
  SACT000916  Deschampsia danthonioides Michael Baad 1983-8-27 Placer Collected on the trail between lakes. 2072.64 Comment
  CAS-BOT-BC201878  Deschampsia elongata R. F. Hoover 1967-9-7 10851 Placer Antone Meadow Comment
  SACT000954  Deschampsia elongata D. Meyer 1983-8-20 Placer From road to summit off trail at first lake. Steep rocky trail with moist meadow areas. 2000.0 Comment
  SDSU994  Deschampsia elongata D. F. Howe 1978-7-15 5076 Placer Route 20, 29 miles west of Truckee 1646 Comment
  SEINET9340012  Deschampsia elongata Unknown 2009-7-16 15206 Placer Duncan Peak 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
  UCD63289  Deschampsia elongata Beecher Crampton 1955-7-13 3003 Placer Along U.S. Hwy. 40, 3.5 miles east of Baxter. 1432 Comment
  SACT000936  Deschampsia elongata Michael Baad 1983-7-15 Placer Southeast quarter of Sec 35 Comment
  CDA12419  Descurainia incana G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8547 ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  CAS-BOT-BC43029  Descurainia incisa subsp. incisa Peter Rubtzoff 1976-9-19 8877 Placer Sierra Nevada. Lake Van Norden. 2063 Comment
  JEPS111265  Dianthus armeria subsp. armeria Steve Matson 2005-9-11 1523 Placer Tahoe Basin, North Shore, Snow Creek Watershed, Kings Beach. Along Pine Nut Ave. 39.2471 N, 120.0388 W ; elevation 6360 ft. 1938 Comment
  UCD33722  Dicentra formosa Beecher Crampton 1972-6-20 8825 Placer Upslope from Bear Valley, State Hwy. 20E. 1402 Comment
  SEINET5339613  Dicentra formosa B. M. Cunningham 1960-4-17 s.n. Placer At the Monte Viste Inn on highway 40 Detour. 1372 Comment
  CAS-BOT-BC402449  Dicentra formosa subsp. formosa Saichi Kawahara 1969-5-24 864 Placer Mel Henderson Ranch, Strawberry Flat 1002 Comment
  UCD95069  Dicentra formosa subsp. formosa Rolf Y. Berg 1963-6-9 s.n. Placer State Highway 20, ca. 2 miles W of junction with U.S. Highway 40 at Emigrant Gap. Comment
  CDA19540  Dichelostemma capitatum M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 238 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. , 1066 Comment
  UCR234214  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2011-4-10 17172 Placer Sacramento Valley, along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  RSA333561  Dichelostemma capitatum subsp. capitatum Craig Martz, Richard F. Sannar 1982-3-26 40 Placer E side of State Route 65, 1.5 miles N of Gladding Road intersection, (1.16 miles N of Markham Ravine). 140 Comment
  UCD139198  Dichelostemma capitatum subsp. capitatum Craig P. Martz 1982-3-26 39 Placer On Clark Tunnel Road, 2.1 miles south of intersection with State Highway 193. 274 Comment
  SBBG57626  Dichelostemma multiflorum M. N. Ackley -Jun-1925 634 Placer Gold Run 983 Comment
  SEINET3885610  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 (Foresthill 7.5' Q.).; 0 814 Comment
  CAS-BOT-BC502639  Dichelostemma multiflorum Marcus E. A M Jones 1882-6-30 3514 Placer Emirgrant Gap Comment
  UC635220  Dichelostemma volubile H. L. Mason 1926-5-28 3276 Placer 5 mi above Auburn Comment
  UCR207883  Dichelostemma volubile George K. Helmkamp, E. A. Helmkamp 2009-4-22 14575 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UC3342  Dichelostemma volubile C. F. Sonne 1891-5-17 12 Placer Auburn to Newcastle; Sierra Nevada Mountains Comment
  UCD33675  Dieteria canescens Beecher Crampton 1971-8-16 8751 Placer Lake Tahoe, Tahoe Vista. 1920 Comment
  JEPS8660  Digitalis purpurea Rimo Bacigalupi 1952-7-19 3867 Placer 2.5 mi e Iowa Hill (near Monona Flat, not far from old habitation, on ridge between Indian Creek and North Fork of the American River) 990 Comment
  UCD32978  Digitaria ischaemum Beecher Crampton 1965-9-13 7498 Placer Placer County, Gold Run, Interstate Hwy. 80. 975 Comment
  SACT000968  Digitaria sanguinalis Josephine Van Ess 1976-7-18 Placer Collected just southwest of Seven Cedars Road. Moist roadside ditch. Comment
  SBBG128856  Diplacus mephiticus G. K. Helmkamp, E. A. Helmkamp 2010-7-28 16679 Placer Forest Hill Rd, 1.8 mi E of Forest Route 13/American Hill Rd 1662 Comment
  RSA367632  Disporum hookeri var. hookeri William Martin 1971-9-10 20255 Placer 0.5 mile east of Alta off Hwy 80, toward Baxter. Comment
  CAS-BOT-BC136198  Dodecatheon alpinum Alice Eastwood 1912-6-15 409 Placer Deer Park - Lake Tahoe Region Comment
  UC22359  Dodecatheon alpinum C. J. Fox Jr. July, 1895 Placer near Squaw Peak; near Squaw Peak Comment
  UCD75774  Dodecatheon alpinum Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5248 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  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
  RSA20894  Dodecatheon clevelandii subsp. patulum Carl B. Wolf 1937-3-30 8357 Placer Sacramento Valley, 2 mi. N of Lincoln. 53 Comment
  RSA305929  Dodecatheon hendersonii Fay A. MacFadden 1934-3-30 12422 Placer Dutch Flat. Comment
  SEINET8561952  Dodecatheon hendersonii R. L. Smith 1942-4-3 11 Placer 10 miles E of Roseville. 152 Comment
  SEINET8039318  Downingia bicornuta D. F. Erskine 1941-4-26 9 Placer 1 mile S of Roseville. 76 Comment
  SFV8424  Downingia bicornuta D. B. Marcum 1969-4-26 68 Placer Sierra Nevada End of Road 5005. 12 Comment
  UCD55089  Downingia bicornuta D. B. Marcum 1969-4-26 68 Placer End of Road 5005. 12 Comment
  UC197362  Draba paysonii var. treleasei C. F. Sonne 1897-7-18 Placer Sierra Nevada Mts., Tinker's Knob 2743 Comment
  UCD22031  Draperia systyla Beth Lowe Corbin 1982-8-11 316 Placer 1 2/3 miles SW of Onion Creek campgound. Mostly shade. SE facing slope, 30% incline. Uncommon. Mostly shade. Low, spreading perennial. Flowers whitish. In rocky, fine, sandy soil. 1889 Comment
  RSA129729  Draperia systyla G. T. Nordstrom 1934-6-19 112 Placer 1/2 mile N.E. of Mouth of Monumental Creek; Colfax 1463 Comment
  UC1035889  Drosera rotundifolia Annie M. Alexander and Louise Kellogg 1946-8-20 5163 Placer Squaw Valley Sierra Nevada, Lake Tahoe region Comment
  JEPS127450  Drymocallis glandulosa var. glandulosa Steve Matson 2002-7-5 554 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west fork Snow Creek; western termination of Tiger Ave. Comment
  JEPS127451  Drymocallis glandulosa var. glandulosa Steve Matson 2003-6-22 812 Placer nSNH; Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; Pinenut Ave. Comment
  UC859905  Drymocallis glandulosa var. reflexa A. A. Heller 1917-6-16 12681 Placer near Dutch Flat; near Dutch Flat 914 Comment
  SCFS1107  Drymocallis lactea E. Krimmel 2013-6-2 Placer On cliffs beside NF American River, 1/2-mile below Soda Springs road Comment
  UC70337  Drymocallis lactea C. J. Fox Jr. July, 1895 Placer Deer Park Inn Comment
  CHSC9520  Drymocallis lactea var. austiniae J. F. Goodwin 1971-7-10 152 Placer By creek approx. 1 mi. west of Lake Tahoe at end of Old County Road, 2.3 mi. sw of Cornelian Bay. 1981 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
  CAS-BOT-BC157892  Drymocallis lactea var. lactea L. S. Smith 1926-6-24 1981 Placer Tahoe National Forest. Ridge between Whiskey Cr. & Picayune 2438 Comment
  SEINET6409453  Dryopteris arguta H. N. Mozingo 75 -5 Placer 2 miles east of Auburn, middle fork of American River Comment
  CAS-BOT-BC428058  Dudleya cymosa subsp. cymosa Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  SEINET242427 Image available Echinochloa oryzoides Joel Kitzmiller 1976-6-24 Placer Pleasant Grove. Growing in rice crop Comment
  CAS-BOT-BC113379  Eleocharis engelmannii A. A. Heller 1917-8-12 12874 Placer Southern Pacific reservoir W of Emigrant Gap. Comment
  UC698596  Eleocharis macrostachya Alan A. Beetle 1941-6-27 2737 Placer one mile N of, in wet roadside ditch Lincoln 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
  UCD49846  Eleocharis parishii Beecher Crampton 1972-7-26 8857 Placer ca. 1 mile west Cisco, IS Hwy 80 east. 1676 Comment
  CHSC74455  Eleocharis quinqueflora Susi Urie 1998-8-27 98 -122 Placer Lake Tahoe Basin. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 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
  CAS-BOT-BC203871  Elymus X hansenii John H. Thomas; Hazelle A. Thomas 1956-7-21 6200 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  SACT001060  Elymus caput-medusae D. Meyer 1983-5-15 Placer Field at southeast corner. 36.6 Comment
  SACT001069  Elymus elymoides J. Sitts 1983-8-11 Placer Above tree line. Comment
  UCD42930  Elymus elymoides subsp. californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 299 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  CHSC67735  Elymus elymoides subsp. elymoides James D. Jokerst 1986-7-13 2728 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  SACT001082  Elymus glaucus D. Meyer 1984-8-17 Placer East of Colfax near Rollins Reservoir. 667.0 Comment
  SACT001089  Elymus glaucus D. Meyer 1983-8-20 Placer Collected on way to summit off trail at first lake, steep rocky trail with some moist meadow areas. 2000.0 Comment
  SACT001103  Elymus glaucus Michael Baad 1976-6-3 Placer On road from Forest Hill to French Meadows. 1.5 miles east of Forest Hill. 701.0 Comment
  SACT001107  Elymus glaucus Michael Baad 1983-7-23 Placer 1828.0 Comment
  SACT001112  Elymus glaucus Michael Baad 1983-7-1 Placer .4 mile beyond airport road from I80 to Blue Canyon 1584.96 Comment
  SACT001132  Elymus glaucus Michael Baad 1977-6-8 Placer 1.3 miles southeast on road between Forest Hill and French Meadows Reservoir. Serpentine chaparral community. Comment
  SACT001139  Elymus glaucus D. Meyer 1984-6-3 Placer 585.0 Comment
  SACT001110  Elymus glaucus Josephine Van Ess 1976-6-11 Placer 27.4 Comment
  CAS-BOT-BC206794  Elymus glaucus subsp. glaucus A. A. Beetle 1941-5-25 2689 Placer 10 miles west of Colfax Comment
  CAS-BOT-BC206795  Elymus glaucus subsp. glaucus Lewis S. Rose 1944-7-12 44091 Placer Chambers Lodge, Lake Tahoe 1920 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
  UCR240907  Elymus glaucus var. glaucus George K. Helmkamp, E. A. Helmkamp 2012-6-19 19229 A Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  UC1133038  Elymus multisetus N. French 1933-5-5 83 Placer N. Fork American River Sacramento Quadrangle Comment
  UCD62569  Elymus repens Tim Morgan 1999-7-19 PDR- 122364 6 Placer At Green Thumb Landscaping, 2865 Hillcrest Ave., Tahoe City. Comment
  UCD62603  Elymus stebbinsii subsp. septentrionalis Beecher Crampton 1955-6-15 2895 Placer Shirttail Canyon, 6.5 miles west of Iowa Hill. Comment
  CDA25017  Elymus trachycaulus J. Glazner 2000-8-16 s.n. Placer Lake Tahoe; Wooded slope betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. Perennial. 1889 Comment
  UCD44628  Elymus trachycaulus subsp. trachycaulus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 1994 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC410299  Enemion occidentale Mary E. Jump 1939-3-30 s.n. Placer Alta Comment
  RSA463240  Epilobium angustifolium subsp. circumvagum J. H. Nishida 1985-7-10 779 Placer Homewood. 1829 Comment
  UCR231842  Epilobium angustifolium subsp. circumvagum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16790 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
  CHSC73961  Epilobium brachycarpum Susi Urie 1998-8-18 98 -064 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  UCR231878  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2010-10-16 17032 Placer Northern Sierra Nevada Mountains Foothills, Sugar Pine Road at the southwest corner of Sugar Pine Reservoir near the dam 1128 Comment
  JEPS72759  Epilobium canum subsp. latifolium Gladys L. Smith 1972-8-25 3443 Placer glacial stairsteps above Squaw Valley (on trail to Granite Chief) 2225 Comment
  UCD83639  Epilobium ciliatum Albert Grigarick 2009-9-10 192 Placer Squaw Creek Resort, approx. in middle of Emigrant Lift. 2526 Comment
  CHSC73963  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-8-28 98 -138 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 Comment
  JEPS127413  Epilobium ciliatum subsp. ciliatum Steve Matson 2000-7-9 478 Placer nSNH Martis Valley, about 4 miles SE of Truckee; Martis Creek Wildlife Area, norht of Highway 267, east fork of Martis Crek. Comment
  UC1748360  Epilobium ciliatum subsp. ciliatum Susi Urie 1998-8-25 98 -90 Placer about 0.2 mi N of Lake Tahoe (large meadow complex between Kings Beach and Tahoe Vista) 1901 Comment
  SEINET12874313  Epilobium ciliatum subsp. ciliatum P. A. Lehenbauer 1932-8-28 s.n. Placer Cisco Camp Comment
  CHSC82651  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2002-7-22 9891 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
  UCR258170  Epilobium densiflorum George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20050 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
  UCD150695  Epilobium glaberrimum James A. Neilson Jr. 1970-7-18 1562 Placer Tahoe Basin, 2 mi northeast of Tahoe City. 1920 Comment
  UCR177128  Epilobium glaberrimum George K. Helmkamp, E. A. Helmkamp 2005-9-30 9943 Placer Northern Sierra Nevada Mtns., Hampshire Rocks Road south of the I-80 Rainbow exit (c. 2 mi east of Cisco Grove) 1805 Comment
  CHSC74109  Epilobium hallianum Susi Urie 1998-8-28 98 -129 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  POM46217  Epilobium hallianum Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UCD43100  Epilobium hallianum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 468 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  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
  CHSC91617  Epilobium minutum M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 213 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. Serpentine flats adjacent to road. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  UCD75768  Epilobium oregonense Ellen Dean; M. Bibbo, J. Poloske, M. Starbuck 2008-7-20 5240 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, area south of the Southern Pacific RR tracks, just south of Lakeview Canyon and north of Emigrant Canyon. 2099 Comment
  SBBG192  Equisetum hyemale E. R. Blakley 1960-9-3 3821 Placer Kings Beach, Lake Tahoe 1905 Comment
  UCSC003236  Equisetum hyemale subsp. affine Randall Morgan 2005-5-30 s.n. Placer On sand dune, shore of Lake Tahoe, Tahoe Vista. Lake Tahoe, Tahoe Vista Comment
  CAS-BOT-BC57242  Equisetum laevigatum E. R. Blakley 1960-9-2 3806 Placer Carnelian Creek, Lake Tahoe 1905 Comment
  UCD64356  Eragrostis pectinacea Beecher Crampton 1967-7-26 8161 Placer 2.5 miles SW of Applegate, Interstate Hwy. 80W, junction of Meadow Vista Road. 487 Comment
  CHSC97759  Eragrostis pilosa var. pilosa Lowell Ahart 2007-11-13 14601 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 1/2 miles (air) northeast of Sheridan. 73 Comment
  CAS-BOT-BC174096  Eremogone aculeata Betty J. Jorgensen 1944-7-2 511 Placer Along summit near Donner Pass Comment
  CAS-BOT-BC481928  Eremogone congesta var. congesta Clare B. Hardham 1978-8-11 21767 Placer SE of Thompson Peak Comment
  CAS-BOT-BC174293  Eremogone congesta var. suffrutescens G. L. Stebbins 1970-7-19 7069 Placer Along ridge southwest of Duncan Peak Lookout 2011 Comment
  UCD75749  Eremogone kingii var. glabrescens Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5215 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, ridge to the southwest of disturbed off-road vehicle area. 2270 Comment
  CAS-BOT-BC286639  Ericameria bloomeri G. W. Dunn 1895-9-3 s.n. Placer Summit Comment
  CAS-BOT-BC286641  Ericameria bloomeri Elsie Zeile Lovegrove 1950-10-18 s.n. Placer Homewood Comment
  OBI49186  Ericameria bloomeri Lewis S. Rose 1938-9-14 38270 Placer Truckee river, 3 mi NW of Tahoe City 1829 Comment
  UC894746  Ericameria bloomeri Lewis S. Rose 1938-9-14 38270 Placer 3 mi nw Tahoe City; Truckee River 1828 Comment
  UC31081  Ericameria cuneata var. cuneata A. M. Carpenter 1893-8 Placer Comment
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Dec 11 2014
  UC1119757  Ericameria nauseosa var. speciosa B. Bolt 1934-8-23 199 Placer Mt. Mildred Tahoe National Forest, Truckee Quadrangle, Mt. Mildred 2468 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
  UC62962  Ericameria suffruticosa C. F. Sonne 1886-8-1 Placer above Coldstream; Sierra Nevada Mountains 2590 Comment
  UC480763  Erigeron barbellulatus W. C. Blasdale 1923-7-27 Placer Tamarack Trail Tahoe Region, Tamarack Trail Comment
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May 22 2013
  UCR231824  Erigeron breweri George K. Helmkamp, E. A. Helmkamp 2010-8-14 16774 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-BC294523  Erigeron breweri var. breweri R. F. Hoover 1967-9-6 10849 Placer Kings Beach, Lake Tahoe Comment
  UCD75701  Erigeron coulteri Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5150 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, forest clearing off trail. 2112 Comment
  CAS-BOT-BC300671  Erigeron foliosus var. hartwegii Saichi Kawahara 1969-5-24 827 Placer On the Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  CDA12431  Erigeron inornatus G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8503 Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCD33728  Erigeron inornatus Beecher Crampton 1972-7-26 8834 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  UCR177238  Erigeron inornatus George K. Helmkamp, E. A. Helmkamp 2005-10-1 9980 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  RSA0012084  Erigeron inornatus var. inornatus George K. Helmkamp, E. A. Helmkamp 2011-7-26 17901 Placer Bowman Lake Road, 0.9 mile north of its junction with CA Hwy 20, 0.85 mi. NE (23deg.) of Emigrant Gap and N of I-80 1434 Comment
  UC148922  Erigeron inornatus var. inornatus H. M. Hall 1910-6-10 8750 Placer Cisco 1828 Comment
  UC1950986  Erigeron inornatus var. inornatus G. K. Helmkamp, E. A. Helmkamp 2005-10-1 9980 Placer Northern Sierra Nevada Mtns.: NW of Lake Tahoe; Junction of Bear Creek Road and Big John Drive (ca 2.2 mi W of CA Highway 89 and just S of Alpine Meadows Road) Tahoe City 7.5' Quad Comment
  UC202221  Erigeron inornatus var. inornatus A. A. Heller 1916-8-13 12895 Placer Summit Station 2133 Comment
  UCD43083  Erigeron peregrinus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 451 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD21885  Erigeron peregrinus var. angustifolius Beth Lowe Corbin 1982-8-10 291 Placer 3/4 mile WSW of Onion Creek campground. In fine, sandy and organic soil. Small meadow in White Fir forest. Ray flowers pale purple, disc yellow. Partila sun. SE facing slope, 10% incline. Common. 2023 Comment
  CDA4644  Erigeron philadelphicus Kelly 1928-5-2 Placer Near Auburn, along road. 0 Comment
  CAS-BOT-BC216229  Eriodictyon californicum Saichi Kawahara 1969-5-24 834 Placer Cape Horn, overlooking north fork of American River, Colfax-Iowa Hill Road between Dinner Tree and Windy Point 585 Comment
  UCR250079  Eriodictyon californicum George K. Helmkamp, Mary Alice Barnes 2013-5-3 20500 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 mi. east (87 deg. ) of Forest Hill 422 Comment
  CAS-BOT-BC255404  Eriogonum Saichi Kawahara 1969-7-6 1473 Placer Finning Mill Road just south of Sugar Pine Road, Tahoe National Forest 1139 Comment
  CAS-BOT-BC255405  Eriogonum Saichi Kawahara 1969-7-6 1473 Placer Finning Mill Road just south of Sugar Pine Road, Tahoe National Forest 1139 Comment
  SCFS1237  Eriogonum E. Krimmel 2013-5-19 Placer North Fork American River, below Soda Springs Road on trail to Heath Falls Overlook at Land of the Lost. Comment
  UCD22134  Eriogonum Rex Palmer 1979-6-21 N 406 Placer Headwaters basin area of the North Fork of the American River 2331 Comment
  CAS-BOT-BC259352  Eriogonum lobbii A. A. Heller 1917-8-14 12923 Placer Mt. Lincoln south of Summit Valley 2499 Comment
  UCD149394  Eriogonum lobbii G. Ledyard Stebbins 1976-7-3 7672 Placer Big Crater. (Exact location unknown. Coordinates estimated by label maker.) 1280 Comment
  SEINET5330425  Eriogonum lobbii W. D. Billings 1951-8-21 2149 Placer E. of Granite Chief, Sierra Nevada 2621 Comment
  SEINET3282809 Image available Eriogonum lobbii var. lobbii George K. Helmkamp, E. A. Helmkamp 2009-8-12 15445 Placer Northern Sierra Nevada Mountains; Forest Hill Road, 26.1 miles northeast of the city of Foresthill. 2020 Comment
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Aug 14 2014
  JEPS59480  Eriogonum marifolium Ezra Brainerd and Viola B. Baird 1915-7-15 223 Placer along trail to Fire Lakes; Sierra Nevada Mts. 2133 Comment
  UCD75941  Eriogonum marifolium Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5180 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek. South side of trail by creek. 2145 Comment
  CAS-BOT-BC263292  Eriogonum marifolium var. marifolium Arnold Tiehm 1974-8-8 523 Placer South of Murphy's Meadow 2407 Comment
  CAS-BOT-BC264810  Eriogonum nudum var. deductum John H. Thomas; Hazelle A. Thomas 1956-7-21 6161 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  CAS-BOT-BC264814  Eriogonum nudum var. deductum John Thomas Howell 1943-7-24 18804 Placer West side of Donner Pass near Norden 2133 Comment
  UC66975  Eriogonum nudum var. deductum P. B. Kennedy and S. B. Doten 1901-8-7 255 Placer near Summit Comment
  CHSC45849  Eriogonum nudum var. nudum Lowell Ahart 1972-7-7 141 Placer On bare old gravel bars, near the Middle Fork of the American River, across the river from Ahart Camp, French Meadows. 1615 Comment
  UCR231835  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2010-8-14 16786 Placer Northern Sierra Nevada Mountains, American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill Road and just south of a creek crossing 1552 Comment
  UCR190584  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2007-9-14 12960 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 6 miles east of Foresthill 610 Comment
  SDSU6787  Eriogonum nudum var. pubiflorum D. F. Howe 1960-9-18 2971 Placer 2 miles northof Auburn. 518 Comment
  JEPS59507  Eriogonum spergulinum var. reddingianum Ezra Brainerd and Viola B. Baird 1915-7-23 263 Placer Tahoe City Sierra Nevada Mts., Tahoe City 1905 Comment
  UCR207119  Eriogonum spergulinum var. reddingianum George K. Helmkamp, E. A. Helmkamp 2009-7-16 15241 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  SEINET5331602  Eriogonum spergulinum var. reddingianum J. L. Reveal 1971-6-23 2478 Placer Along Californias Highway 89, about 2 miles south of Truckee at Granite Flat Camp Ground. Comment
  RSA0028930  Eriogonum umbellatum John F. Emmel 1997-7-25 1512 Placer Sierra Nevada, Donner Pass region; along Pacific Crest Trail south of Donner Pass, ca. 0.5 air mile SE of SE end of Lake Mary. 2287 Comment
  CDA15647  Eriogonum umbellatum var. nevadense G. F. Hrusa, J. Glazner 1999-7-18 15236 Placer Lake Tahoe; Wooded slopes betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC108662  Eriogonum umbellatum var. nevadense L. P. Janeway; B. Castro 2011-8-27 10682 Placer Northern High Sierra Nevada. West side of Hwy 89 across from Silver Creek Campground, about 11 km south of Truckee. 1850 Comment
  CHSC67682  Eriogonum umbellatum var. nevadense James D. Jokerst 1986-7-13 2729 Placer Trail from The Cedars, SW of Donner Lake, just below the summit of Needle Peak, scree on S-facing slope. Comment
  CHSC79800  Eriogonum umbellatum var. nevadense G. F. Hrusa; J. Glazner 1999-7-18 15236 Placer Betw. Squaw Cr, Hwy 89, and Squaw Valley Rd. UTM: 10S, 43434N, 07418E. 1889 Comment
  JEPS111107  Eriogonum umbellatum var. nevadense Steve Matson 2005-7-16 1399 Placer Tahoe west shore, about 900 meters northwest of Barker Pass/PCT trailhead, 200 meters south of where PCT reaches saddle north of Barker Peak; 39.0808 N, 120.2438 W; elevation 8,100 ft. 2468 Comment
  SEINET9292443  Eriogonum umbellatum var. nevadense Unknown 2000-7-1 15632 Placer Summit Village, Truckee Comment
  UC565933  Eriogonum umbellatum var. nevadense H. S. Yates 1934-6-29 3890 Placer near Bijou; Markleevillee Quadrangle 1920 Comment
  UC615502  Eriogonum umbellatum var. nevadense Beryl O. Schreiber 1932-9-11 770 Placer Summit Comment
  UCD22121  Eriogonum umbellatum var. nevadense Rex Palmer 1979-7-10 N 525 Placer Headwaters basin area of the North Fork of the American River Comment
  SD1349  Eriogonum umbellatum var. subaridum Victor Duran 1930-8-2 Placer Cedar Flat, White Mts. 2133 Comment
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Oct 19 2012
  CAS-BOT-BC262172  Eriogonum umbellatum var. torreyanum Charlotte Pyle 1978-8-9 s.n. Placer East side of Silver Peak about 1.5 miles northwest of Squaw Valley 2438 Comment
  UCD101503  Eriogonum umbellatum var. torreyanum Charlotte Pyle 1978-8-9 s.n. Placer east side of Silver Peak, about 1.5 miles northwest of Squaw Valley. 2346 Comment
  CAS-BOT-BC205644  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  JEPS14350  Eriogonum ursinum Rimo Bacigalupi with G. L. Stebbins, Alex Hawkes, D. Zohary, J. Hunziker, H. Stutz, F. Ehrendorfer 1952-7-20 3879 Placer n-facing serpentine slope just s Shirttail Public Camp (6 mi e of Iowa Hill); Tahoe Nat. Forest 1066 Comment
  RSA789732  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  RSA793116  Eriogonum ursinum James R. Shevock 1985-8-9 11334 Placer Tahoe National Forest, Granite Chief Wilderness. Along trail 16E10 above Picayune Valley. 2200 Comment
  SD22254  Eriogonum ursinum Marcus E. Jones June 1882 Placer Emigrant Gap Comment
  UC66982  Eriogonum ursinum P. B. Kennedy and S. B. Doten 1901-8-6 236 Placer Summit Soda Springs Comment
  UC912775  Eriogonum ursinum Marcus E. Jones, A. M. Jun 1882 Placer Emigrant Gap Comment
  UC412807  Eriogonum ursinum C. F. Sonne 1886-7-18 1245 Placer hillside in R. R. Canyon R. R. Canyon Comment
  CAS-BOT-BC262326  Eriogonum vimineum Catherine Best 1985-9-15 1144 B Placer At Sugar Pine Reservoir about 6 miles north of Foresthill 1158 Comment
  CAS-BOT-BC205645  Eriogonum wrightii var. subscaposum James R. Shevock 1985-8-9 11333 Placer Western slope of the Northern Sierra Nevada. Tahoe National Forest, Granitie [Granite] Chief Wilderness. Along trail 16E10 in Picayune Valley 2200 Comment
  UCR233271  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2011-7-9 17678 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim Road, 1.4 miles northwest of the city of Foresthill 764 Comment
  UCR215986  Eriophyllum lanatum var. croceum George K. Helmkamp, Amy Barnes 2009-7-12 15185 Placer Sierra Nevada Mountains, along Foresthill Road 10.3 miles northeast of the town of Foresthill 1370 Comment
  CAS-BOT-BC301407  Eriophyllum lanatum var. grandiflorum H. M. Hall 1916-6-3 10147 Placer Near Rocklin, (E. side Sacramento Valley) 121 Comment
  SEINET9262042  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2013-1 20830 Placer Northern Sierra Nevada Mountains Foothills; Yankee Jims Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5 Q) 463 Comment
  UC566755  Eriophyllum lanatum var. grandiflorum H. L. Mason 1926-5-28 3275 Placer 5 mi above Auburn Comment
  UCD132209  Eriophyllum lanatum var. grandiflorum A. S. Crafts 1926-5-1 785 Placer American River Canyon. Comment
  UCR173263  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10426 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UC148928  Eriophyllum lanatum var. integrifolium H. M. Hall 1910-7-4 8744 Placer Cisco Sierra Nevada Mountains (s of Snowsheds, near type-locality of Bahia cuneata) 1828 Comment
  UCR189301  Eriophyllum lanatum var. integrifolium George K. Helmkamp, E. A. Helmkamp 2007-7-27 12631 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  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
  SEINET3411994 Image available Erodium botrys George K. Helmkamp, E. A. Helmkamp 2012-3-31 18649 Placer Sacramento Valley: along CA-193, 0.1 mile W of its junction with Sierra College Blvd. 88 Comment
  SEINET8526933  Erodium brachycarpum S. L. Sedillos 1976-3-13 s.n. Placer South of Auburn, along the north fork of the American River 274 Comment
  JEPS16982  Eryngium castrense W. L. Jepson 1924-7-25 10650 Placer Lincoln Comment
  SBBG128087  Eryngium castrense J. Dittes 2003-5-25 2003 -30 Placer ca. 3.3 air-mi S of Lincoln, 0.5 air-mi E of intersection of St Hwy 65 and 12-Bridges Exit 39 Comment
  SEINET5779527 Image available Eryngium pinnatisectum Marcus E. Jones 1882-1 3602 Placer Auburn Comment
  UCD22369  Erysimum capitatum Rex Palmer 1979-5-27 N 53 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22373  Erysimum capitatum Rex Palmer 1979-6-20 N 277 Placer Headwaters basin area of the North Fork of the American River Comment
  JEPS126363  Erysimum capitatum var. capitatum Steve Matson 1998-6-23 283 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; dirt road extension west from Tiger Ave. Comment
  UC188620  Erysimum cheiranthoides C. F. Sonne 1897-6-1 Placer w slope of mts. Washoe Mts. (along r.r.); Date as June 1897 Comment
  CAS-BOT-BC55092  Erysimum perenne G. B. Rossbach; R. P. Rossbach 1938-6-23 896 Placer South side Donner Pass, just west of Donner Lake, northeast Placer county. 2225 Comment
  UC1126628  Erysimum perenne N. French 1934-6-22 445 Placer 7/8 mi w Dulzura Lake; Truckee Quadrangle Comment
  CHSC74127  Erythranthe breweri Susi Urie 1998-8-11 98 -016 Placer About 0.5 mi north of Ward Creek, along a small tributary; about 2 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC11052  Erythranthe cardinalis Lowell Ahart 1966-8-12 Placer French Meadows. 1676 Comment
  CAS-BOT-BC153594  Erythranthe moniliformis Catherine Best 1981-8-1 s.n. Placer Big Meadow, about 3 miles south of French Meadows 1600 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
  SCFS1218  Erythranthe moschata E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Top of meadow. Comment
  SEINET4678047  Erythranthe pardalis Barbara Ertter, David M. Thompson 1989-4-8 8173 Placer Iowa Creek Road ca 2 miles from I-80 near entrance to Auburn State Recreation Area.; 0 518 Comment
  RSA25447  Erythronium californicum C. L. Hitchcock 1940-5-7 6310 Placer 1 mile west of Baxter Comment
  SEINET3991621  Erythronium californicum Unknown 1940-5-7 6310 Placer 1 mile west of Baxter. Comment
  RSA537540  Erythronium multiscapideum Barbara Ertter, David Thompson 1989-4-8 8170 Placer Iowa Creek Road ca. 2 miles from I-80 near entrance to Auburn State Recreation Area, at creek crossing 518 Comment
  UC197230  Erythronium multiscapideum C. F. Sonne 1891-4-5 Placer hillside below Bloomer cut; Auburn Comment
  UCD13249  Erythronium purpurascens Marianne Lewin 1973-5-29 141 Placer Placer County Grove Sierra Redwoods, ca. 25 mi E of Forest Hill. Comment
  UCD67985  Erythronium purpurascens Linda A. Bell 1975-5-24 181 Placer Mosquito Ridge Road, 25.1 miles East of junction with Auburn-Foresthill Road, in Placer Big Trees Park. 1584 Comment
  RSA523883  Eschscholzia caespitosa subsp. caespitosa Barbara J. Ertter, David Thompson 1989-4-8 8146 Placer Iowa Creek Road 2 miles from I-80 near entrance to Auburn State recreation area at creek crossing 518 Comment
  SEINET5339919  Eschscholzia californica D. H. Erskine 1941-4-27 1 Placer Roseville. 76 Comment
  CAS-BOT-BC488340  Eschscholzia lemmonii Beecher Crampton 1985-6-23 9993 a Placer North Shore Lake Tahoe, Stateline Road 1950 Comment
Read comments
Jul 13 2018
  CAS-BOT-BC419540  Eschscholzia lobbii Mrs. Brandegee 1879-1-1 s.n. Placer Auburn Comment
  CAS-BOT-BC310372  Eucephalus breweri M. E. Parsons 1910-7-21 s.n. Placer Ward Creek, Lake Tahoe Comment
  CAS-BOT-BC310377  Eucephalus breweri John Thomas Howell 1943-7-21 18656 Placer Donner Pass to Mt. Lincoln Comment
  JEPS86487  Eucephalus breweri L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6567 Placer Sherman Chickering's Soda Springs, 5 mi se of Donner Lake, w of Tinker Knob 2042 Comment
  UCR207043  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2009-7-16 15228 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 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
  CDA33332  Euphorbia epithymoides J. Honeycutt 2010-6-25 PDR# 1332623 Placer Tahoma; Hwy 89 right-of-way 0 Comment
  UCR123377  Euphorbia maculata George K. Helmkamp, E. A. Helmkamp 1999-6-29 5057 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
  CDA40533  Euphorbia oblongata Ed King 2014-5-1 PDR# 310 P06310011 Placer Auburn State Recreation Area, Russell Road. 0 Comment
  CDA38633  Euphorbia oblongata Clayton Seado 2012-8-3 PDR# 1611237 Placer Auburn; Edgewood Road and Ali Lane. 0 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
  UCD21482  Euphorbia serpillifolia Beth Lowe Corbin 1982-8-19 393 Placer One mile SSW of the Cedars. 1813 Comment
  CAS-BOT-BC312162  Eurybia integrifolia Alice Eastwood 1909-1-1 235 Placer Squaw Creek Comment
  UC128136  Eurybia integrifolia Miss Harriet A. Walker 1908-7-26 1438 Placer Cisco 1810 Comment
  UC193542  Eurybia integrifolia C. F. Sonne 1885-8-9 Placer on road to Tahoe Comment
  UCR258181  Euthamia occidentalis George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20040 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  SEINET238358 Image available Festuca confusa Beecher Crampton 1953-4-13 1097 Placer 1 mile north of lincoln along railroad right of way near edge of Hwy 99E. Comment
  UCR206361  Festuca dertonensis George K. Helmkamp, E. A. Helmkamp 2009-3-11 14387 Placer Sacramento Valley, Ranch House Road, 0.2 mile south of Sheridan 37 Comment
  UCD42914  Festuca idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 282 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD42960  Festuca idahoensis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 329 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SACT001170  Festuca occidentalis Michael Baad 1983-7-16 Placer On road to French Meadows, along southern edge of State Game Refuge. 1609.0 Comment
  UCD37227  Festuca occidentalis Beecher Crampton 1958-6-24 4971 Placer 3 miles west of Baxter, Earl Morton Ranch. 1066 Comment
  SACT001172  Festuca ovina D. Meyer 1983-6-25 Placer 1636.0 Comment
  UCR258231  Festuca perennis George K. Helmkamp, Amy Barnes 2013-3-28 20235 Placer Eastern Sacramento Valley, NW edge of Sheridan, new section of Riosa Road, connecting new CA-65 with old CA-65 43 Comment
  SACT001179  Festuca pratensis D. Meyer 1983-7-16 Placer 1624.0 Comment
  CHSC73269  Festuca rubra L. P. Janeway 1998-8-6 5971 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  SACT001195  Festuca rubra D. Meyer 1983-9-10 Placer West end near parking lot, moist streambank and meadow. 1879.0 Comment
  SACT001220  Festuca rubra D. Meyer 1983-10-22 Placer Searchlight ski run from base up to Olympic lady chairlift. 2121.0 Comment
  SACT001198  Festuca subulata D. Meyer 1984-6-10 Placer 436.0 Comment
  SACT001204  Festuca viridula Michael Baad 1983-8-11 Placer Trail to Whiskey Camp. 3 miles west of Alpine Meadows. 2133.0 Comment
  UCD66515  Festuca viridula A. A. Heller 1917-8-14 12926 Placer Mt. Lincoln south of Summit valley. 2499 Comment
  CHSC73988  Fragaria virginiana Susi Urie 1998-8-18 98 -078 Placer Lake Tahoe Basin. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC53551  Frangula californica subsp. tomentella A. A. Heller 1917-6-16 12680 Placer near Dutch Flat 914 Comment
  SD81185  Frangula californica subsp. tomentella D. F. Howe 1971-6-29 Placer 1.4 miles east of Forest Hill 1096 Comment
  SEINET11243878  Frangula californica subsp. tomentella C. Lane, H. Mozingo 1979-3-31 4 Placer North fork of the Middle Fork of the American River. 518 Comment
  SEINET11248091  Frangula purshiana W. D. Billings 1940-5-18 1306 Placer North of Placer mines. Gold run. Comment
  CAS-BOT-BC55784  Frangula rubra subsp. rubra John Thomas Howell; Gordon H. True 1968-6-9 44514 Placer Alta 1066 Comment
  CAS-BOT-BC504555  Fritillaria atropurpurea Hazelle A. Thomas; John H. Thomas 1956-7-21 6095 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevad 2377 Comment
  JEPS61888  Fritillaria atropurpurea L. S. Smith 1915-6-19 Placer Squaw Valley near Truckee; Squaw Valley Comment
  CAS-BOT-BC504550  Fritillaria atropurpurea Alice Eastwood 1912-6-15 407 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC504554  Fritillaria atropurpurea G. B. Grant 1906-7-25 s.n. Placer Vicinity of Lake Tahoe Comment
  CAS-BOT-BC505323  Fritillaria micrantha Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  SEINET8478891  Fritillaria micrantha A. Urrutia 1960-3-19 s.n. Placer North fork American River 3 miles S of Auburn, Hwy 49, 457 Comment
  CAS-BOT-BC504447  Fritillaria recurva Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat Comment
  CHSC3140  Fuchsia hybrida Gary Dutton 1966-4-29 169 Placer Found 228 Donner Ave. Roseville. Comment
  SCFS11529118  Galium F. Felix, E. Krimmel 2012-7-27 Placer NFAm. Stop #1, Swimming Hole Trail Comment
  UCD22290  Galium aparine Rex Palmer 1979-7-12 N 630 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCD22288  Galium bifolium Rex Palmer 1979-6-9 N 171 Placer Headwaters basin area of the North Fork of the American River. Comment
  UC28189  Galium bifolium Kellogg 1870-6-13 Placer Camp Yuba Sierra Nevada, Cisco Comment
  CAS-BOT-BC334225  Galium bolanderi George K. Helmkamp; Mary Alice Barnes; E. A. Helmkamp 2012-9-8 19808 Placer Northern Sierra Nevada Mountains: Forest Hill Road 10.4 miles NE of Hidden Treasure Road, 0.45 miles ESE of Whisky HIll 1677 Comment
  POM67602  Galium bolanderi Marcus E. Jones 1882-6-27 3290 Placer Emigrant Gap. Comment
  UC888784  Galium bolanderi Marcus E. Jones, A. M. 1882-6-27 3290 Placer Emigrant Gap Comment
  UCR240750  Galium bolanderi George K. Helmkamp, Mary Alice Barnes, E. A. Helmkamp 2012-9-8 19808 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 10.4 miles northeast of Hidden Treasure Road, 0.45 mi. ESE of Whisky Hill 1677 Comment
  POM67226  Galium californicum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  UC427890  Galium grayanum var. grayanum L. S. Smith 1926-6-24 1982 Placer s side Section 10 Tahoe National Forest, Whiskey Creek drainage 2377 Comment
  CDA36878  Galium murale CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  SEINET12514859  Galium nuttallii Curt Aarstad 1979-4-1 s.n. Placer 1/2 mile east of Junction of old and new Auburn Forest Hills Rd. Comment
  SEINET9349432  Galium parisiense Unknown 2010-6-26 16375 Placer Sierra Nevada Mountains Foothills Comment
  CAS-BOT-BC539314  Galium sparsiflorum G. Ledyard Stebbins 1976-7-3 7670 Placer Big Crater [exact location unknown] Comment
  UCR231830  Galium sparsiflorum subsp. sparsiflorum George K. Helmkamp, E. A. Helmkamp 2010-8-14 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
  UCSB45738  Galium tricornutum Reisentz, Paul 1979-5-11 Placer Vernal pools; 1 mile south of Sheridan on Highway 65 Comment
  SEINET12562631  Galium trifidum K. Schutz 1972-9-10 s.n. Placer Basin Peak. 2438 Comment
  CHSC74261  Galium trifidum var. pacificum Susi Urie 1998-9-4 98 -270 Placer About 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  CHSC74121  Galium triflorum Susi Urie 1998-8-13 98 -032 Placer Meadow along the south side of Ward Creek about 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  UCD41457  Gamochaeta coarctata Ellen Dean; Davis Botanical Society 2003-5-17 1758 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 Street. 1066 Comment
  UCD66547  Gastridium phleoides Beecher Crampton 1977-6-11 9499 Placer 3.5 mis. n.e. of Auburn, Dry Creek Road just east of Elder's Corners. Comment
  SACT001221  Gastridium ventricosum Josephine Van Ess 1978-7-17 Placer Collected on open hillside near old small resvervoir east of big pond about 1 mile east of the east end of Annabelle Ave. open grassy area. 103.0 Comment
  SACT001229  Gastridium ventricosum Michael Baad 1983-7-15 Placer 1.8 miles east of junction with road to Brushy Springs Station. Open rocky slopes. 1524.0 Comment
  SACT001236  Gastridium ventricosum Michael Baad 1977-6-8 Placer 3.7 miles east of canyon on Forest Hill to French Meadows Road. Slate outcrop. Comment
  SD247469  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
  UCD21989  Gayophytum Beth Lowe Corbin 1982-8-2 158 Placer Onion Creek campground. In fine, sandy, granitic soil. Annual herb; Flowers whitish to pink. Open spot between trees. Partial shade. South facing slope. Locally abundant. 1841 Comment
  UCR179199  Gayophytum diffusum Rex Palmer 1979-7-25 N- 681 Placer Sierra Nevada Mtns., Headwaters Basin Region of the North Fork of the American River [vicinity of The Cedars, NW of Squaw Valley, south of Norden] 2134 Comment
  UC1122593  Gayophytum diffusum subsp. parviflorum N. French 1934-8-22 476 Placer 1/2 w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  UCD103632  Gayophytum diffusum subsp. parviflorum D. Sanchez-Mata 1997-8-9 s.n. Placer Blue Canyon Road near Blue Canyon. Tahoe National Forest. 1500 Comment
  OBI12035  Gayophytum heterozygum Robert F. Hoover 1967-9-5 10826 Placer Carnelian bay, Lake Tahoe Comment
  UC873668  Gayophytum humile A. A. Heller 1917-6-17 12716 Placer along river below Cisco; Yuba River 1676 Comment
  UC22753  Gentiana calycosa State Survey 1863-8-28 2164 Placer near Summit (between Squaw Valley and Forest Hill) Comment
  CDA36896  Geranium dissectum CDFA Staff 1995-6-2 s.n. Placer Dry Creek. 0 Comment
  RSA0028447  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-5-12 17258 Placer south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  UCR253225  Geranium dissectum George K. Helmkamp, Amy Barnes 2014-4-23 22813 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  CDA37050  Geranium molle CDFA Staff 1995-5-31 s.n. Placer Pino Ranch, near Newcastle. 0 Comment
  JEPS127402  Geranium molle Steve Matson 2006-4-23 1608 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  SEINET3246026  Geranium pusillum G. K. Helmkamp, E. A. Helmkamp 2007-1 11706 Placer Foothills, Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks. 287 Comment
  UCR188848  Geranium pusillum George K. Helmkamp, E. A. Helmkamp 2007-3-25 11706 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  RSA531311  Geum canescens Walter Wisura, T. Hayduk, Q. Junzhuan 1991-8-22 4544 Placer Squaw Valley beyond upper cable car station. on SW slope below a rocky summit. Comment
  JEPS71884  Geum triflorum Gladys L. Smith 1972-8-25 3411 Placer below Watson Monument (trail to Granite Chief) 2590 Comment
  JEPS103385  Gilia capillaris Lowell Ahart 2002-7-22 9893 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UC1123740  Gilia capitata subsp. mediomontana G. T. Nordstrom 1934-6-21 131 Placer 4 mi w by nw Mammoth Springs; Colfax Quad., , Tahoe National Forest Comment
  RSA148690  Gilia capitata subsp. mediomontana Clare B. Hardham 1961-6-14 7362 Placer Baxter. Rte. 40 1067 Comment
  RSA0107826  Gilia capitata subsp. pedemontana George K. Helmkamp, Amy Barnes 2014-4-23 22787 Placer Sierra Nevada Mountains Foothills: Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River. 290 Comment
  UCR146919  Gilia leptalea Beecher Crampton 1961-9-27 6003 Placer Sierra Nevada Mountains, 1 mile west of Cisco Grove [near county line], along U.S. Highway 40, Yuba River 1707 Comment
  UCR233388  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2011-8-26 18172 Placer Northern Sierra Nevada Mountains, along Forest Hill Road, 0.4 miles west of Robinson Flat 2041 Comment
  SEINET2441551  Gilia tricolor subsp. diffusa George K. Helmkamp 2009-4-22 14582 Placer Sierra Nevada Mountains Foothills: Forest Hill road near Grizzly Bear House, about one mile northeast of the road to the lower end of Clementine Lake (Greenwood 7.5' Q.). 732 Comment
  POM260452  Githopsis specularioides C. L. Hitchcock 1940-5-14 6381 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UCD55212  Glyceria declinata John Gerlach 2006-5-6 s.n. Placer Twelve Bridges. 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
  SACT001254  Glyceria elata D. Meyer 1984-7-21 Placer 7.5 km from Placer County line, moist shaded streambed. 9 miles from road. 1758.0 Comment
  UC1495301  Glyceria elata Robert T. Clausen and Harold Trapido 1940-7-13 4896 Placer 2 mi w Lake Tahoe (woods along Ward Creek); Sierra Nevada, Lake Tahoe Basin 1905 Comment
  JEPS75581  Glyceria grandis W. L. Jepson 1934-8-7 16882 Placer near Squaw Creek; Truckee River Comment
  SACT001276  Glyceria striata Michael Baad 1983-7-10 Placer 6.1 miles south of townsite, open wet meadow. 1524.0 Comment
  CAS-BOT-BC303818  Gnaphalium John Thomas Howell 1976-7-18 51933 Placer Carnelian Bay, Lake Tahoe 1905 Comment
  CAS-BOT-BC307366  Gnaphalium palustre H. L. Mason 1932-9-9 7175 Placer Cisco Comment
  CAS-BOT-BC307368  Gnaphalium palustre Katharine Brandegee 1917-8-1 s.n. Placer Cisco Comment
  CAS-BOT-BC307370  Gnaphalium palustre Emily K. Mcpherson 1976-9-19 76- 27 -7 Placer 1 mile east of Talbot Campground near Middle Fork American River, Sierra Nevada 1767 Comment
  CHSC97765  Gnaphalium palustre Lowell Ahart 2007-11-13 14597 Placer On the strand of Camp Far West Reservoir, about 300 yards west of Bear River, about 1/8 mile east of McCourtney Road, about 5 miles (air) northeast of Sheridan. 73 Comment
  POM51549  Gnaphalium palustre Katherine Brandegee 1917-08 s.n. 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
  CAS-BOT-BC314603  Grindelia hirsutula L. S. Smith 1926-5-30 1875 Placer Colfax Road 853 Comment
  UC1118570  Grindelia hirsutula N. French 1933-6-6 74 Placer near Newcastle; Sacramento Quad. Comment
  UCR176264  Grindelia hirsutula var. davyi George K. Helmkamp, E. A. Helmkamp 2006-8-11 11209 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 1.0 mile north of Forest Hill 1037 Comment
  UCD159476  Grindelia squarrosa var. serrulata D. S. Park 2010-8-21 229 -2 Placer Corner of Donner Pass Rd. and Hampshire Rocks Rd. All around ramp into highway I-80. Disturbed. Near roadsigns. Abundant. 1788 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
  CAS-BOT-BC257790  Hackelia micrantha George K. Helmkamp; E. A. Helmkamp 2010-7-28 16654 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  SEINET12618245  Hackelia micrantha M. J. Williams 1985-7-6 85- 63 -12 Placer Sierra Nevada, Pacific Crest Trail, between old and new Donner Summits. Comment
  UC24782  Hackelia micrantha J. Burtt Davy Jun 25 1897-Jun 30 1897 3244 Placer near Tahoe; Truckee River Basin Comment
  UC881756  Hackelia micrantha A. A. Heller 1917-8-14 12936 Placer s of Summit Valley; Mount Lincoln 2438 Comment
  UC112818  Hackelia micrantha Katharine Brandegee July 1908 Placer Lake Van Orden Comment
  UCSB16091  Hackelia velutina 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
  JEPS35433  Helenium puberulum W. H. Shockley 1886-6-1 Placer Auburn Comment
  UCD21772  Helianthella californica var. nevadensis Beth Lowe Corbin 1982-8-4 212 Placer 1/4 mile west of Onion Creek campground. In fine, sandy soil of montane chaparral. Ray and disc flowers deep yellow. Full sun. SW facing slope, 15% incline. Locally abundant. 1889 Comment
  RSA123089  Helianthella californica var. nevadensis B. Bolt 1934-7-11 95 Placer Cascade Lakes, Truckee 2043 Comment
  CAS-BOT-BC305357  Helianthus annuus C. F. Sonne 1887-8-28 s.n. Placer Sierra Nevada Mountains. On Truckee River Comment
  UCD21781  Hemizonella minima Rex Plamer 1979-6-8 N 124 Placer Headwaters basin area of the North Fork of the American River Comment
  RSA718505  Hemizonia fitchii L. P. Janeway 2006-8-24 8874 Placer Sacramento Valley. Along Hwy 193 about 3.5 km N of Lincoln. 41 Comment
  UCR231859  Hesperolinon micranthum George K. Helmkamp, E. A. Helmkamp 2010-8-11 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
  CHSC107390  Heteromeles arbutifolia Blake McSorley 2010-3-19 Placer Hidden Falls near Auburn. 259 Comment
  SBBG70485  Heuchera micrantha M. N. Ackley -Jun-1925 1000 Placer Shirttail Cyn, American River 762 Comment
  UCD22320  Heuchera micrantha Beth Lowe Corbin 1982-8-13 340 Placer 1 mile west of The Cedars. On rock face along Cedar Creek. Calyx pink, petals white, linear. Partial sun. West facing slope, 20% incline. Locally common. 1645 Comment
  UCR208280  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 2009-5-7 14632 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UCR218452  Heuchera micrantha George K. Helmkamp, Mary Alice Barnes & Mary Jane Ganibe 2010-7-2 16425 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
  SEINET8061131 Image available Heuchera micrantha var. erubescens Bif Soper 1983-5-28 15 Placer 13.5 miles from Foresthill on Mosquito Ridge Road. 1067 Comment
  SEINET6031230  Heuchera micrantha var. erubescens C. Aarstad, Hugh Mozingo 1979-4-1 s.n. Placer Eldorado Creek near Jct. w/No. fork of middle fork of American River, Mosquito Ridge Rd. to French Meadows 518 Comment
  SEINET11259299 Image available Hieracium albiflorum M. Koski 2009-10-8 NV 030 -297 Placer Near Onion Creek 2005 Comment
  SEINET11259313 Image available Hieracium albiflorum P. A. Lehenbauer 1933-8-6 s.n. Placer Lake Tahoe near Homewood Comment
  UCD158771  Hieracium argutum G. Ledyard Stebbins 1970-7-12 7054 Placer In canyon of North Fork of American River at Rawhide Mine, 4.5 miles east of Alta. (Exact location unknown. Coordinates estimated by label maker.) 762 Comment
  UCD133111  Hieracium argutum G. L. Stebbins Jr.; J. Hunziker, H. Stutz, D. Zohary 1952-7-20 5134 Placer steep, north-facing slope. Along road from Colfax to Forest Hill, 1/2 mile south of crossing of American River. 304 Comment
  CAS-BOT-BC315996  Hieracium nudicaule H. M. Hall 1912-7-18 9365 Placer Willow Creek 1280 Comment
  UCD105891  Hoita orbicularis Richard F. Davis 1953-8-1 s.n. Placer From a meadow near Forest Hills. Comment
  SACT001285  Holcus lanatus D. Meyer 1984-5-6 Placer 145.5 Comment
  SACT001288  Holcus lanatus D. Meyer 1984-8-19 Placer 8.4 km north of I80 103.0 Comment
  CAS-BOT-BC150012  Holodiscus discolor var. discolor Elizabeth Parsons Hawver 1911-8-19 s.n. Placer At base of Ellis Peak, Lake Tahoe region Comment
  RSA0005586  Holodiscus discolor var. discolor A. A. Heller 1903-8-12 7160 Placer Donner Pass. Comment
  CAS-BOT-BC150147  Holodiscus microphyllus var. microphyllus Charlotte Pyle 1977-8-29 s.n. Placer Diamond Crossing on Powderhorn Creek ca. 4.5 miles southwest of Ward Peak 1828 Comment
  RSA0009706  Holozonia filipes Marcus E. Jones 1882-7-8 s.n. Placer Near Auburn. Comment
  SACT001315  Hordeum brachyantherum Michael Baad 1976-7-21 Placer lower southwest-facing slope. 10 miles southeast of Soda Springs. 2377.0 Comment
  UCD43005  Hordeum brachyantherum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 374 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  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
  SACT001338  Hordeum geniculatum D. Meyer 1983-6-18 Placer Shady area. 1170.0 Comment
  SACT001366  Hordeum leporinum Josephine Van Ess 1975-5-9 Placer Collected uphill from Linda Creek toward old homestead area. Rather flat and lightly shaded area. 91.5 Comment
  SACT001375  Hordeum leporinum D. Meyer 1983-5-7 Placer Roadside. Comment
  SACT001378  Hordeum leporinum D. Meyer 1983-7-3 Placer 1152.0 Comment
  UCR238576  Hordeum murinum subsp. glaucum George K. Helmkamp, E. A. Helmkamp 2012-3-31 18659 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  CHSC73078  Horkelia fusca subsp. parviflora L. P. Janeway 1998-8-6 5984 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  CAS-BOT-BC143406  Horkelia tridentata var. tridentata E. K. McPherson 1976-9-19 26 -28 10 Placer One mile east of Talbot Campground; near Middle Fork American River 1767 Comment
  UCD144324  Hosackia incana G. F. Hrusa; B. Meese 1997-5-26 13789 Placer Italian Bar Trail, N-facing slope to N. Fk. Amer. River, approx. 3 km. N of Foresthill Divide Rd. 1300 Comment
  UC880777  Hydrophyllum occidentale C. L. Hitchcock 1940-5-7 6317 Placer ca 1 mi w Baxter Comment
  UCR545  Hydrophyllum occidentale Frank C. Vasek 1955-6-29 248 Placer Sierra Nevada Mountains, Sugar Bowl, near Donner Pass [ski area, c. 1 mi. east of Lake Van Norden] 2141 Comment
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Jul 27 2014
  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
  UCD33600  Hypericum anagalloides Beecher Crampton 1970-6-25 8627 Placer Placer County, 1 mile west of Kingvale. 1859 Comment
  POM83547  Hypericum androsaemum Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
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Sep 7 2010
  UCR173740  Hypericum concinnum George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10709 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
  UCD35243  Hypericum mutilum subsp. mutilum Beecher Crampton 1952-11-9 925 Placer 6 miles east of Auburn. 457 Comment
  RSA458264  Hypericum perforatum Wm. Martin 1971-9-10 20281 Placer Blue Canyon Creek, 2 miles south of Ranger Station, Tahoe Natl. Forest. Comment
  UCR249599  Hypericum perforatum George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20824 Placer Northern Sierra Nevada Mountains Foothills, junction of Yankee Jim's Road and Shirttail Canyon Road, NW of Foresthill 463 Comment
  SEINET5343957  Hypericum perforatum M. J. Williams 1985-7-6 85- 63 -1 Placer Pacific Crest Trail between old and new Donner Summits, Sierra Nevada 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
  UCR250630  Hypochaeris glabra George K. Helmkamp, Mary Alice Barnes 2013-5-3 20464 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  UCR257567  Hypochaeris glabra George K. Helmkamp, Amy Barnes 2014-4-23 22772 Placer Sierra Nevada Mountains Foothills, Old Forest Hill Road, 0.4 mile northeast of its junction with CA-49 at North Fork American River 290 Comment
  CAS-BOT-BC312895  Hypochaeris glabra Leland S. Smith 1926-5-23 s.n. Placer Forest Hill Divide, south of Colfax Comment
  CDA36751  Hypochaeris glabra D. B. Joley 1976-4-22 13 Placer Loomis area, Butterfield s. 0 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
  POM9885  Ipomopsis aggregata subsp. formosissima E. Keyes 1920-08 s.n. Placer Lake Tahoe. Comment
  UCD23395  Iris hartwegii Toni Grant 1977-5-28 34 Placer Pale yellow flowers in scattered groups, partial to full sun. 2 miles SE of Auburn Foresthill Rd. on Mosquito Ridge Rd. Intersection is 20 miles NE of Auburn Foresthill Bridge. Comment
  RSA136471  Iris macrosiphon Lee W. Lenz, E. K. Balls 1955-5-12 20473 Placer U.S. Highway 40, at Colfax 762 Comment
  UCD138764  Iris macrosiphon R. A. Mead 1962-4-21 38 Placer America River Canyon, directly below Skyline Drive, Auburn. Comment
  JEPS72258  Ivesia gordonii Gladys L. Smith 1972-6-20 3256 a Placer summit area Ward Peak 2621 Comment
  SEINET11911561  Ivesia shockleyi var. shockleyi C. F. Sonne 1885-1 s.n. Placer Tinker Knob, near Truckee 2896 Comment
  SD237484  Juglans hindsii G. K. Helmkamp, E. A. Helmkamp 2009-8-22 15520 Placer Sacramento Valley; along CA-193, 5.3 miles east of Lincoln (Gold Hill 7.5'Q) 123 Comment
  UCR209018  Juglans hindsii George K. Helmkamp, E. A. Helmkamp 2009-8-22 15520 Placer Sacramento Valley, along CA-193, 5.3 miles east of Lincoln 123 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
  CAS-BOT-BC109964  Juncus Malcom A. Nobs; S. Galen Smith 1949-8-22 1537 Placer Marshy pool 6 miles northwest of Auburn on Dunn's Dam Road. 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
  CHSC74320  Juncus balticus Susi Urie 1998-9-3 98 -236 Placer Lake Tahoe Basin Management Unit - National Forest. Meadow along the un-named creek along the northeast side of Tahoe Vista; about 0.5 mi north of Lake Tahoe. 1914 Comment
  CHSC68034  Juncus bufonius var. bufonius James D. Jokerst 1986-4-14 2618 Placer Johnson Ranch, N of Douglas Rd. and E of Hwy. 80. Comment
  UCD75823  Juncus chlorocephalus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5182 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
  JEPS1771  Juncus covillei var. obtusatus Friedrich Ehrendorfer 1952-7-20 Placer 6 mi e Iowa Hill; Shirttail Creek Comment
  UC1133650  Juncus effusus subsp. pacificus B. Bolt 1934-7-6 89 Placer Mammoth Spring Tahoe National Forest, Colfax Quad. 1615 Comment
  CDA24987  Juncus ensifolius J. Glazner 2000-9-2 s.n. Placer Lake Tahoe; Betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1889 Comment
  CHSC73103  Juncus ensifolius L. P. Janeway 1998-8-6 5980 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  UCD141463  Juncus exiguus G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12957 Placer Northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill. 942 Comment
  CHSC81837  Juncus nevadensis Lowell Ahart 2001-10-10 9349 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about a 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  CHSC74325  Juncus orthophyllus Susi Urie 1998-8-29 98 -171 Placer Lake Tahoe Basin--National Forest. Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2121 Comment
  UCD43904  Juncus orthophyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1270 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44501  Juncus orthophyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1867 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  CDA16801  Juncus parryi G. F. Hrusa, J. Glazner 2001-7-15 15940 Placer Sierra Nevada; N side of saddle immed. E of summit of Crows Nest Pk. W of Sugarbowl. 2346 Comment
  UCD21851  Juncus parryi Rex Palmer 1979-6-19 N 225 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD36110  Juncus patens Beecher Crampton 1952-11-9 923 Placer 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  CAS-BOT-BC80902  Juniperus John H. Thomas; Hazelle A. Thomas 1956-7-21 s.n. Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  NY20191  Juniperus occidentalis F. W. Hunnewell 1925-7-15 9701 Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  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-BC235569  Keckiella breviflora Francis W. Pennell 1940-6-2 25659 Placer Route 49 north of American River, east of Auburn 274 Comment
  SCFS5071  Keckiella breviflora E. Krimmel, Faerthen Felix 2014-6-26 Placer North Fork American River Headwaters Basin, NFAm. Heath Falls trail. Comment
  UC886838  Keckiella breviflora Marcus E. Jones, A. M. 1882-6-28 3276 Placer Emigrant Gap Comment
  UCR173789  Keckiella breviflora subsp. breviflora George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-14 10711 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
  HSC33450  Kelloggia galioides Thomas W. Nelson, James Nelson 1974-6-17 1359 Placer Along Hwy. 80 at its junction with Blue Canyon Rd., 9 mi. W of Placer-Nevada County line Comment
  RSA447635  Kelloggia galioides Fay A. MacFadden 1934-7-9 12732 Placer Emigrant Gap. Comment
  UCD21598  Kelloggia galioides E. Dean; M. Starbuck, C. Tresan, S. Tresan 2002-7-30 1262 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
  UCR246826  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2010-7-28 16658 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  UCR258166  Kickxia elatine George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20042 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  RSA0087952  Kopsiopsis strobilacea William Overton 1977-6-4 s.n. Placer Across tracks ca. 100 yards, on Secret Town Road, 0.9 mile from junction with Magra Road (which is northwest of the Magra Road-Secret Town offramp of Interstate 80), between Colfax and Gold Run. Comment
  UC131019  Kumlienia hystricula Mrs. K. Brandegee 1909-4-28 Placer near Auburn (in the Sierra Nevada Foothills); Sierra Nevada Foothills Comment
  CAS-BOT-BC274286  Lachnagrostis filiformis Peter Rubtzoff 1976-7-4 8713 Placer Granite Bay section of Folsom Lake State Recreation Area Comment
  SD53146  Lagophylla glandulosa Darley F. Howe 1962-8-10 3419 Placer 4.0 miles north of Auburn. 550 Comment
  SD62081  Lagophylla glandulosa subsp. serrata Darley F. Howe 1965-5-20 Placer 3.5 miles north of Auburn. Comment
  UCR218617  Lagophylla ramosissima Ken Osborne 2010-9-12 s.n. Placer Sierra Nevada Mtns. Foothills, North Auburn, Dry Creek Rd. just west of intersection with Bluegrass Dr. 396 Comment
  SD50715  Lagophylla ramosissima Darley F. Howe 1959-8-1 Placer 2.0 miles north of Auburn. 455 Comment
  CDA37172  Lamium amplexicaule CDFA Staff 1975-4-17 s.n. Placer Loomis; David Takagishi property, northeast of the junction of Sierra College Blvd. & Interstate 80. 0 Comment
  CAS-BOT-BC353496  Lasthenia fremontii Carl B. Wolf 1937-5-12 8621 Placer Sacramento Valley, 1 mi. N of Lincoln 45 Comment
  RSA585986  Lasthenia fremontii Adree M. Desrochers 1988-4-20 304 Placer Lincoln; along Hwy 65; 1.8 km from 5th Street/Rd 65 on E side of Hwy 65. Comment
  CHSC84543  Lathyrus angulatus John Dittes 2003-5-25 2003 -29 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. 39 Comment
  POM260012  Lathyrus sulphureus C. L. Hitchcock 1940-5-7 6344 Placer 1 mile west of Baxter. Comment
  SEINET5327342  Lathyrus sulphureus W. D. Billings 1940-5-18 1304 Placer Opening in undisturbed pine woods Gold Run Comment
  SDSU2800  Layia fremontii D. F. Howe 1948-5-20 1838 Placer 457 Comment
  SD260903  Layia pentachaeta subsp. pentachaeta George K. Helmkamp, Mary Alice Barnes 2013-4-18 20337 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 0.9 mil East of its junction with Canyon Way, 4.4 miles SE (167a^z) of Colfax (Colfax 7.5'Q) 561 Comment
  RSA467614  Ledum glandulosum B. C. Templeton 1931-7-5 1516 Placer near Meek's Bay. 2280 Comment
  UC570136  Ledum glandulosum N. French 1934-6-21 436 Placer sw side of Pallside Lake Pallside Lake 2011 Comment
  SACT001392  Leersia oryzoides Josephine Van Ess 1976-8-4 Placer Collected just below intersection with Newcastle Road. Moist roadside ditch. 176.8 Comment
  UCR198416  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2008-4-17 13291 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  HSC33424  Lepidium campestre Thomas W. Nelson, James Nelson 1974-6-17 1376 Placer Dollar Point overlooking Lake Tahoe, N of Tahoe City 1585 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
  HSC82616  Lepidium lasiocarpum Thomas W. Nelson, Jane P. Nelson 1979-4-11 4607 Placer Along N side of Douglas Blvd., 1 mi. S of junction with I-80 Comment
  CAS-BOT-BC89734  Lepidium latifolium S. P. Fisher 1969-10-20 s.n. Placer Along Southern Pacific Railroad tracks, 0.75 mile northeast of Loomis. Comment
  UC212640  Lepidium nitidum Mary E. P. Ames Apr 1894 Placer Auburn Comment
  RSA121681  Lepidium perfoliatum N. H. French 1933-6-15 78 Placer Clipper Gap. 518 Comment
  CAS-BOT-BC12898  Lepidium strictum Gordon H. True 1971-4-9 6461 Placer Northern limits of Lincoln. 48 Comment
  UC856587  Lepidium virginicum A. A. Heller 1917-8-13 12909 Placer near Summit Hotel 2133 Comment
  UCD115876  Lepidium virginicum Robert E. Preston 1984-6-13 455 Placer On W side of Lake Tahoe, ca. 0.4 km N of Kaspian campground, along the margins of bike trail. 1902 Comment
  UCR171335  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2005-10-1 9979 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  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
  UCD22110  Leptosiphon ciliatus Rex Palmer 1979-7-12 N 622 Placer Headwaters basin area of the North Fork of the American River Comment
  CHSC40739  Leptosiphon harknessii L. S. Rose 1941-7-18 41322 Placer Chambers Lodge (McKinney), Lake Tahoe. 2100 Comment
  SEINET14168140  Leptosiphon harknessii H. M. Hall 1910-6-26 8717 Placer [Sierra Nevada] Cisco 1800 Comment
  UCD43127  Leptosiphon liniflorus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 495 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  SEINET11990836  Lesquerella occidentalis C. F. Sonne 1885-1 s.n. Placer mt. head of Squaw Valley Comment
  SEINET11448028 Image available Lessingia leptoclada C. Kegg 1983-9-17 C 25 Placer North Fork of Middle Fork American River 488 Comment
  CAS-BOT-BC341750  Lessingia nana John Thomas Howell; Gordon H. True 1971-5-26 47631 Placer Northern limits of Lincoln 48 Comment
  UCD134131  Leucanthemum vulgare R. N. Raynor 1941-7-24 s.n. Placer near Auburn. Comment
  UCD134133  Leucanthemum vulgare R. N. Raynor 1939-5-31 s.n. Placer along Highway 3 miles above Auburn. Comment
  CAS-BOT-BC123019  Lewisia kelloggii Albert Kellogg 1870-6-27 s.n. Placer Sierra Nevada. Camp Yuba, (Cisco). Comment
  CAS-BOT-BC444159  Lewisia nevadensis Alice Eastwood 1909-1-1 271 Placer Lake Tahoe Region. Ward Creek Comment
  UC852036  Lewisia nevadensis A. A. Heller 1917-6-17 12714 Placer Yuba River below Cisco; Yuba River 1676 Comment
  UCR111000  Lewisia nevadensis George K. Helmkamp, E. A. Helmkamp 1999-6-30 5106 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  SEINET11942485  Lewisia pygmaea C. F. Sonne 1885-1 s.n. Placer Mt. Stanford, Sierra Nevada Mts. Comment
  CAS-BOT-BC444557  Lewisia triphylla A. A. Heller 1917-6-17 12682 Placer Along the Yuba River below Cisco 1676 Comment
  UC852033  Lewisia triphylla A. A. Heller 1917-6-17 12682 Placer along Yuba River below Cisco; Yuba River 1676 Comment
  UCD21925  Lewisia triphylla Beth Lowe Corbin 1982-8-4 230 Placer 1/2 mile NNW of Onion Creek campground. In damp meadow in White Fir forest. Small, fleshy herb, with white flowers. Mostly shade. SW facing slope, 10% incline. Locally abundant. 2072 Comment
  CAS-BOT-BC444552  Lewisia triphylla Kellogg 1890-6-23 s.n. Placer Cisco, Sierra Nevada Mts. Comment
  SEINET5336592  Lewisia triphylla A. A. Heller 1909-7-16 9858 Placer Summit 2134 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-BC436046  Ligusticum grayi A. A. Heller 1919-7-25 13300 Placer Near the Yuba River below Cisco 1676 Comment
  CAS-BOT-BC436048  Ligusticum grayi John H. Thomas; Hazelle A. Thomas 1956-7-21 6211 Placer Sierra Nevada, vicinity of Donner Pass, about 80 miles NE of Sacramento 2377 Comment
  CHSC74057  Ligusticum grayi Susi Urie 1998-7-11 98 -001 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. 2097 Comment
  UCD43374  Ligusticum grayi C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 742 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  CAS-BOT-BC231936  Liliaceae W. R. Dudley 1893-6-8 s.n. Placer Meadow back of Tallac Comment
  CAS-BOT-BC130529  Lilium Albert M. Vollmer 1941-7-3 s.n. Placer North slope of Placerville Airport Comment
  CAS-BOT-BC130780  Lilium pardalinum Mrs. H. C. Cantelow 1937-7-11 3986 Placer Dutch Flat Comment
  SEINET8393639  Lilium pardalinum Unknown 1951-1 188 Placer Bear Valley, east of Nevada City. Comment
  CAS-BOT-BC508483  Lilium parvum H. M. Hall 1910-7-1 8155 Placer Near Cisco, Sierra Nevada Mountains 1859 Comment
  CAS-BOT-BC508488  Lilium parvum C. F. Sonne 1892-7-1 s.n. Placer West slope Washoe Mts. Comment
  UC984814  Lilium washingtonianum subsp. washingtonianum A. M. Vollmer and L. Beane Jul 1951 191 Placer e of Nevada City; Bear Valley Comment
  SEINET8727023 Image available Limnanthes alba Charles T. Mason Jr. 1949-1 1294 Placer 4.3 miles S. W. of Placerville along U. S. Highway 50. Comment
  UC907583  Limnanthes alba Alice Williams 1946-6-5 2 Placer 1/2 mi e Post Office (on US 40, on bank of brook); Weimar Comment
  UCD116462  Limnanthes alba subsp. alba Beecher Crampton 1953-4-13 1096 Placer Sunnybrook Farms, 2 miles north Lincoln, Francheschi Ranch. Comment
  UC23397  Linanthus bicolor Bolander 1865-4-13 4568 Placer Newcastle Comment
  CDA15661  Linanthus ciliatus G. F. Hrusa, J. Glazner 1999-7-18 15200 Placer Lake Tahoe; betw. Squaw Ck, Hwy 89, and Squaw Valley Rd. 1905 Comment
  CDA6360  Linaria genistifolia subsp. dalmatica G. D. Barbe, W. Sauer 1984-7-25 4182 Placer Along north shore of Lake Tahoe between U.S. Coast Guard Station and Bristle Cone Street, Lake Forest. Comment
  CDA20199  Linaria purpurea A. Williams 2003-8-14 PDR 1407018 Placer Sierra Nevada; Pioneer Wy, Tahoe City. 0 Comment
  CHSC97805  Linaria vulgaris L. P. Janeway; B. Castro 2007-9-28 9211 Placer Northern High Sierra Nevada. Along south bank of Truckee River 0.9 km southwest of the Lake Tahoe dam. 1893 Comment
  JEPS72644  Linum lewisii Gladys L. Smith 1972-6-20 3243 Placer Summit ridge from ski lift to top of Ward Peak 2621 Comment
  POM291162  Listera convallarioides George B. Grant 1906-7-20 7049 Placer Placer or El Dorado Counties: Lake Tahoe, Sierra Nevada Mountains 1829 Comment
  SACT002875  Lithocarpus densiflorus Michael Baad 1977-6-1 Placer North of Iowa Hill Ditch. 1341.12 Comment
  CAS-BOT-BC36570  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-11 1731 Placer 8 miles west of Emigrant Gap 1371 Comment
  CAS-BOT-BC36586  Lithocarpus densiflorus var. echinoides G. M. Noyes 1913-6-1 201 Placer Tahoe 1066 Comment
  CDA21151  Lithocarpus densiflorus var. echinoides G. F. Hrusa 1993-11-3 11467 Placer Sierra Nevada; Placer Big Trees Redwood Grove. 1676 Comment
  UC483999  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-11 Placer 8 mi w Emigrant Gap 1371 Comment
  UC858198  Lithophragma A. A. Heller 1917-6-17 12698 Placer along Yuba River below Cisco; Yuba River 1676 Comment
  RSA293427  Lithophragma bolanderi Reino Alava 1958-5-3 2024 Placer 8 miles W of Auburn on the County Rd No 74. Comment
  CAS-BOT-BC435607  Lithophragma glabrum A. A. Heller 1917-6-17 12684 Placer Near the Yuba river below Cisco 1676 Comment
  UC858169  Lithophragma glabrum Alice Eastwood Jun 15 1912-Jun 19 1912 376 Placer Deer Park; Lake Tahoe Region, Deer Park Comment
  SACT001441  Lolium multiflorum D. Meyer 1983-5-15 Placer Moist roadside ditch next to cultivated field. 19.812 Comment
  SEINET4671414  Lolium multiflorum J. G. Wright, J. M. Wright 2000-3-27 000001 Placer From I-80 West, Reno to Sacramento, take the Lincoln exit. 91 Comment
  UCR173175  Lolium perenne subsp. multiflorum George K. Helmkamp, Elizabeth Helmkamp 2006-4-6 10128 Placer Northern Sierra Nevada Foothills, NE edge of Sacramento metropolitan area; Sierra College Road and King Ranch Road SSE of Rocklin 122 Comment
  UC1562641  Lomatium californicum Barbara Ertter with David Thompson 1989-4-9 8192 Placer n.e. Auburn (1/2 way down rd. to Lake Clementine (=North Fork Lake)) 304 Comment
  SD247298  Lomatium dissectum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20336 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles southeast (167 degrees) of Colfax. 561 Comment
  JEPS126340  Lomatium grayi Steve Matson 1998-6-14 245 Placer nSHN; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; 60 yards north of Highway 267, 500 yards west of Martis Creek. Comment
  UCR209007  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14628 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UCR250056  Lomatium utriculatum George K. Helmkamp, Mary Alice Barnes 2013-4-18 20336 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
  UCSB32286  Lomatium utriculatum Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  RSA463218  Lonicera conjugialis J. H. Nishida 1985-7-10 789 Placer Homewood. 1829 Comment
  SEINET8056613  Lonicera conjugialis M. J. Williams 1985-7-6 85- 63 -8 Placer Sierra Nevada; Pacific Crest trail between old and new Donner Summits. Comment
  UCD137356  Lonicera japonica R. Koch 1996-6-1 7 Placer KOA Campground, off Highway 50, by Placerville. 566 Comment
  UC864264  Lotus argophyllus Marcus E. Jones, A. M. 1882-7-3 3338 Placer Colfax Comment
  UCR146926  Lotus argophyllus var. fremontii Beecher Crampton 1955-6-15 2887 Placer Sierra Nevada Mountains, 4.5 miles south of US Hwy 40, along North Fork of American River, near base of Bunch Canyon, on road to Forest Hills 701 Comment
  UCD41422  Lotus corniculatus A. M. Shapiro 2002-6-15 s.n. Placer Old Highway 40, Donner Pass-Norden area. 2133 Comment
  UCR130216  Lotus corniculatus George K. Helmkamp, E. A. Helmkamp 1999-6-30 5093 Placer Northern Sierra Nevada Mtns., Soda Springs Rd 0.9 mi south of Donner Pass Rd, approaching Ice Lakes 2104 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
  UCR188846  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2007-3-25 11711 Placer Northern Sierra Nevada Mountains Foothills, Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction of American River forks 287 Comment
  UCR250903  Lotus humistratus George K. Helmkamp, Mary Alice Barnes 2013-4-18 20345 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
  CDA36893  Lotus micranthus CDFA Staff 1995-5-12 s.n. Placer Dry Creek. 0 Comment
  JEPS111130  Lotus micranthus Steve Matson 2005-4-17 1223 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  UC1368473  Lotus oblongifolius var. oblongifolius R. K. Gierisch 1969-7-11 3521 Placer Big Bend Tahoe Forest 1828 Comment
  UC65764  Lotus oblongifolius var. oblongifolius P. B. Kennedy and S. B. Doten 1901-8-15 406 Placer 6 mi from French Meadows Comment
  UCR152264  Lotus purshianus Beecher Crampton 1972-7-26 8836 Placer Sierra Nevada Mountains, Carpenter Flat east of Emigrant Gap, above Laings Road 1616 Comment
  UCR198047  Lotus purshianus Beth Lowe Corbin 1982-8-9 273 Placer Headwaters Basin Area of the North Fork of the American River. 1/4 mi southwest of Onion Creek Campground Comment
  CDA27308  Lotus purshianus T. C. Fuller 1958-7-7 2001 Placer 2 miles north of Roseville. 0 Comment
  JEPS55783  Lotus purshianus var. purshianus W. H. Shockley Jun 1886 Placer Auburn Comment
  UCR120497  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5042 B Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  UCR176249  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2006-8-11 11218 Placer Northern Sierra Nevada Mtns foothills, along Forest Hill Rd., 8.7 miles northeast of Forest Hill 1311 Comment
  JEPS59492  Lotus purshianus var. purshianus Ezra Brainerd and Viola B. Baird 1915-7-22 244 Placer near Bear Rock Camp; Sierra Nevada Mts. 1889 Comment
  CHSC118006  Lotus uliginosus G. K Helmkamp; E. A Helmkamp 2008-8-20 14024 Placer Northern Sierra Nevada Mountains: Donner Pass Road on the west side of Donner Pass and east of Norden. 2149 Comment
  RSA122898  Lotus unifoliolatus B. Bolt 1934-7-20 154 Placer Whiskey Hill. 1646 Comment
  CDA3837  Lunaria annua G. D. Barbe, T. C. Fuller 1976-5-4 2176 Placer South of Railroad right-of-way along driveway, Alta. 0 Comment
  RSA0025723  Lupinus John F. Emmel 1992-7-2 1230 Placer Carson Range ESE of Truckee; ridge 1.0 air mile south and 1.6 air mile east of Martis Peak. 2733 Comment
  SEINET8057790  Lupinus J. C. Baker 1996-3-24 s.n. Placer Hastings Creek, 21 km SE of Auburn 244 Comment
  CAS-BOT-BC201563  Lupinus albifrons var. albifrons Mary E. Jump 1939-3-30 s.n. Placer Highway 40, between Auburn & Colfax Comment
  SEINET5558507  Lupinus andersonii H. S. Gentry 1962-1 19759 Placer 3 mi. south of Grass Valley, along Rt. 49. 457 Comment
  SEINET10490448  Lupinus andersonii var. andersonii Blakley 1960-9-2 BLAKLEY 3800 Placer Perennial to 24 inches tall; flowers pale purplish blue becoming dark purple With age, white spot on the banner. Scattered in dry rocky sandy loam soil Under pinus. Edge of a mountain meadow. Carnelian bay, lake tahoe 1903 Comment
  UCD22019  Lupinus apertus Rex Palmer 1979-6-9 N 159 Placer Headwaters basin area of the North Fork of the American River 2438 Comment
  UCR242369  Lupinus arbustus George K. Helmkamp, E. A. Helmkamp 2010-7-28 16678 Placer Northern Sierra Nevada Mountains, Robinson Flat campground near the junction of Forest Hill Road and Soda Springs Road, 27 miles northwest of the city of Foresthill 2040 Comment
  SEINET5227668 Image available Lupinus arbustus Unknown 1909-7-16 9857 Placer Summit, Placer Co Comment
  UC126985  Lupinus arbustus Mrs. M. M. Hardy 1893-1 Placer Comment
  CAS-BOT-BC208831  Lupinus argenteus var. meionanthus Alice Eastwood 1912-6-15 405 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC208839  Lupinus argenteus var. meionanthus Frank W. Peirson 1931-8-10 9551 Placer Lake Tahoe 1905 Comment
  UCR176280  Lupinus benthamii George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10433 Placer Northern Sierra Nevada foothills, 2.1 mi south of Auburn along Calif. Hwy 49 293 Comment
  UCR250592  Lupinus benthamii George K. Helmkamp, Mary Alice Barnes 2013-4-18 20362 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
  CDA36910  Lupinus bicolor CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  SD248426  Lupinus bicolor George K. Helmkamp, Amy Barnes 2013-3-28 20290 Placer Eastern Sacramento Valley: Northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan. 35 Comment
  UCD107243  Lupinus bicolor G. K. Helmkamp; E. A. Helmkamp 2007-3-25 11705 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 0.9 mile east of its junction with CA-49 at the bridge of the junction with American River forks. 287 Comment
  UC726013  Lupinus bicolor A. A. Heller 1940-4-20 15541 Placer along U.S. Highway #99E, 1 mi n Sheridan; n of Sheridan Comment
  JEPS127424  Lupinus breweri var. breweri Steve Matson 1997-7-17 103 Placer nSNH Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; just northeast of west end of golf course. Comment
  UC1129521  Lupinus lepidus var. sellulus H. S. Yates 1934-6-29 3918 Placer near Brockway; Tahoe National Forest, Truckee Quadrangle Comment
  UCR171401  Lupinus lepidus var. sellulus George K. Helmkamp, E. A. Helmkamp 2005-9-30 9964 Placer Northern Sierra Nevada Mtns., c. 3.5 mi NW of Lake Tahoe; Along the Truckee River and Calif. Highway 89, 0.1 mi N of Alpine Meadows Road 1902 Comment
  CAS-BOT-BC249265  Lupinus lepidus var. sellulus Peter Rubtzoff 1976-9-19 8874 Placer Lake Van Norden, on east side of lake, north of dirt road. 2063 Comment
  SDSU4678  Lupinus microcarpus var. densiflorus D. F. Howe 1948-5-21 1860 Placer 4 miles north of Auburn . Comment
  RSA792718  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2011-4-10 17171 Placer along Riosa Road, 2.3 miles east of Sheridan 43 Comment
  SEINET10402701 Image available Lupinus nanus Barbara Ertter, David Thompson 1989-1 8188 Placer Auburn-Forest Hill Road 6.2 mi SW of Spring Garden Road jct., on NW side of road, ca 8 airmiles NE of Auburn 610 Comment
  SEINET3815513 Image available Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-5-11 18940 Placer Foothills, northern Sierra Nevada Mountains: Finning Mill Road at the junction with Forest Hill Road 346 Comment
  SEINET3828385  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2012-1 18940 Placer Foothills northern Sierra Nevada Mountians: Finnin Mill Road at the junction with Forest Hill Road (Foresthill 7.5') 1135 Comment
  SEINET7249048  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-1 Placer Comment
  UCD22084  Lupinus polyphyllus Rex Palmer 1979-7-11 N 577 Placer Headwaters basin area of the North Fork of the American River. Comment
  CAS-BOT-BC329256  Lupinus polyphyllus subsp. superbus Mary P. Wells 1980-9-12 s.n. Placer Near Tahoe City in forest W of Pioneer Way 1524 Comment
  CHSC73042  Lupinus polyphyllus var. burkei L. P. Janeway 1998-8-6 5990 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  NY16018  Lupinus silvicola A. A. Heller 1909-7-16 9857 Placer Summit 2133.6 Comment
  UC126755  Lupinus stiversii Miss Martha Brier June 1894 Placer Bear Valley; near Fowler Comment
  UCD144418  Lupinus stiversii G. F. Hrusa 1995-5-20 12183 Placer Approximately 1 km on Mosquito Ridge Rd past Gorman Ranch Road intersection. 700 Comment
  UC16025  Lupinus stiversii Mrs. M. M. Hardy 1893-1 Placer Comment
  SEINET8057999  Lupinus succulentus A. Allen 1950-4-29 18 Placer 1/2 mile west of Rocklin on highway 40, railroad right of way Comment
  SEINET10490267  Lupinus superbus var. bernardinus L. S. Smith 1938-7-22 Smith s.n. Placer Tahoe National Forest. Squaw Valley. Comment
  CDA19571  Luzula comosa M. I. Wibawa, G. F. Hrusa, J. Glazner 2002-5-22 250 Placer Forest Hill Divide; Hughes Mill, along Finning Mill Rd, ~ 3 mi N of Forest Hill Rd, ~ 3 mi E of Forest Hill. 1066 Comment
  SEINET6331930  Luzula comosa M. J. Williams 1985-7-6 85- 61 -10 Placer Sierra Nevada, near old Donner Summit, south of Lake Mary 2286 Comment
  CHSC91529  Luzula macrantha M. I. Wibawa; G. F. Hrusa, J. Glazner 2002-5-22 250 Placer Forest Hill Divide. Hughes Mill, along Finning Mill Rd, +- 3 mi N of Forest Hill Rd, +- 3 mi E of Forest Hill. UTM: 10S, 4329930 N, 0691823 E. 1066 Comment
  UCD162591  Luzula orestera Steve Matson 2002-8-17 1133 Placer nSNH; near Sonora Pass; Walker River watershed; meadow above tarn just east of Hannah Mtn. Comment
  UC142751  Luzula subcongesta A. A. Heller 1903-8-10 7135 Placer above Donner Pass; above Donner Pass 2286 Comment
  UCR197979  Lycopus americanus Beecher Crampton 1953-10-6 1660 Placer north Lincoln city limit 52 Comment
  UCD147099  Lysimachia nummularia Chuck Hughes 2013-5-14 383 Placer Southwestern margin of Camp Far West Reservoir. 97 Comment
  CHSC81794  Lythrum portula Lowell Ahart 2001-10-10 9344 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
  CDA5128  Lythrum salicaria K. Connolly 1991-7-24 Placer South side of Virginiatown Road, 0.5 mile east of McCourtney Road, Lincoln. 0 Comment
  CAS-BOT-BC342660  Madia citriodora K. Curran 1883-4-1 s.n. Placer Roseville Comment
  UC485298  Madia elegans Katharine Brandegee Placer near Alta Comment
  UCD134236  Madia elegans Collector Unknown Date Unknown s.n. Placer Exact location unknown. Comment
  CDA15984  Madia elegans subsp. elegans G. F. Hrusa, J. Glazner 1999-7-17 15165 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  JEPS30105  Madia exigua W. H. Shockley June 1886 Placer Auburn Comment
  UCR190664  Madia exigua George K. Helmkamp, E. A. Helmkamp 2007-5-23 12075 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
  CAS-BOT-BC342838  Madia glomerata H. M. Hall 1910-6-26 8746 Placer Cisco; on west slope of Sierra Nevada Comment
  CDA13697  Madia glomerata G. F. Hrusa, J. Glazner 1997-8-3 14057 Placer Sierra Nevada; Corner of Hwy 89 & Squaw Valley Rd. Comment
  UCD134270  Madia glomerata F. A. MacFadden 1934-7-26 s.n. Placer Foot of Red Mt. Comment
  CAS-BOT-BC434231  Madia gracilis George K. Helmkamp; E. A. Helmkamp 2012-6-19 19219 Placer Northern Sierra Nevada Mountains Foothills: Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill. 1052 Comment
  CDA36881  Madia gracilis CDFA Staff 2000-5-24 s.n. Placer Dry Creek. 0 Comment
  UCD128384  Maianthemum racemosum Albert Grigarick 2012-7-9 335 Placer Pacific Crest Trail. S of Donner Summit (Hwy 40). Approx. 600 yds S of trailhead. 2330 Comment
  CAS-BOT-BC512083  Maianthemum racemosum subsp. amplexicaule John H. Thomas; Hazelle A. Thomas 1956-7-21 6121 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento; Sierra Nevada 2377 Comment
  CAS-BOT-BC512086  Maianthemum racemosum subsp. amplexicaule Beecher Crampton 1972-9-28 8882 Placer 1 mile east of Baxter. Comment
  UC1613937  Malacothrix Charles M. Belshaw 1935-6-18 1004 Placer near Baxter's Hotel (between Colfax and Gold Run) 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
  JEPS74306  Marah fabacea John Thomas Howell, Gordon H. True 1972-3-17 7074 Placer 1 1/2 mi w Lincoln (just s of Auburn Ravine) 48 Comment
  SD44635  Medicago arabica Darley F. Howe 1951-5-2 2113 Placer Placer County 456 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
  CDA37228  Medicago polymorpha CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  CHSC68071  Melica aristata James D. Jokerst 1986-7-12 2685 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, on N side of river. Comment
  UC55049  Melica aristata Kellogg Placer Cidco; Sierra Nevada Mtns Comment
  CHSC67742  Melica bulbosa James D. Jokerst 1986-7-13 2734 Placer Trail from The Cedars, high Sierra Nevada NW of Donner Lake, just below the summit of Needle Peak. Comment
  SACT001494  Melica californica Michael Baad 1983-5-5 Placer Junction with Shirttail Canyon Road. 1 mile south of the North Fork of the American River. 548.64 Comment
  UCD86450  Melica californica Beecher Crampton 1957-5-7 3980 Placer 3.2 miles north of city of Roseville, along railroad and U.S. Highway 99E. Comment
  UCD87183  Melica californica B. Riley 1948-5-30 s.n. Placer American River - above Auburn. Comment
  SACT001501  Melica californica Josephine Van Ess 1978-4-18 Placer Collected on top of ricky hill near Folsom Lake about 1 mile north of twin rocks road and .5 mile east amoung rocks. 170.7 Comment
  SACT001502  Melica californica Josephine Van Ess 1980-5-7 Placer Collected about 1 mile east of highway 49. roadside serpentine area. 4146.0 Comment
  UC55052  Melica fugax Kellogg 1870-6-17 Placer Cisco Sierra Nevada, Yuba River (bottoms of Yuba River) Comment
  UC818854  Melica fugax Alice Eastwood Jun 15 1912-Jun 19 1912 463 Placer Lake Tahoe Region Comment
  UCD87269  Melica fugax Beecher Crampton 1958-6-24 4960 Placer Eastern area of Martis Valley, ca. 4 miles southeast of Truckee. Comment
  UCD87276  Melica fugax A. A. Heller 1917-6-17 12699 Placer Yuba River. Comment
  SACT001513  Melica harfordii Michael Baad 1977-6-2 Placer 0.8 mile south of Wiemar, east-facing cliff streamside habitat. 606.0 Comment
  SACT001517  Melica harfordii Michael Baad 1977-6-8 Placer On road between Forest Hill and French meadows. Roadside serpentine chaparral 914.4 Comment
  JEPS86481  Melica stricta L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6558 Placer ca 5 mi se Donner Lake (slopes s of Tinker Knob, Sherman Chickering's Soda Springs holdings); Sherman Chickering's Soda Springs 2438 Comment
  SACT001537  Melica torreyana Michael Baad 1983-5-5 Placer 3 miles southeast on Yankee Jim Road form Canyon Way Road descending to North Fork of the American River 548.64 Comment
  SACT001550  Melica torreyana Josephine Van Ess 1979-6-5 Placer on bypass; lightly shaded bank 198.2 Comment
  SACT001551  Melica torreyana Josephine Van Ess 1978-5-16 Placer lightly shaded slope 378.0 Comment
  SBBG6412  Mentha canadensis E. R. Blakley 1960-9-3 3809 Placer Kings Beach, Lake Tahoe 1903 Comment
  RSA409911  Mentha canadensis Wm. Martin 1972-9-10 20226 Placer 1 mile east of Weimer on Hwy 80 Comment
  CAS-BOT-BC428680  Micranthes bryophora F. Almeda 1993-7-24 7262 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley. 2134 Comment
  CAS-BOT-BC428877  Micranthes californica G. L. Stebbins 1978-5-27 7873 Placer East side of Big Crater 1341 Comment
  SCFS1180  Micranthes californica E. Krimmel, F. Felix 2014-5-10 Placer North Fork, American River. Comment
  UC88372  Micropus californicus var. californicus Mrs. K. Brandegee Apr 1883 Placer Roseville Comment
  CAS-BOT-BC349331  Microseris nutans A. A. Heller 1919-7-26 13314 Placer Summit meadows west of Donner Pass 2072 Comment
  HSC95831  Mimulus aurantiacus Kevin Thomas 2004-4-10 20 Placer Newcastle Comment
  JEPS4597  Mimulus aurantiacus var. grandiflorus Matt Herbrand 1916-7-2 Placer Emigrant Gap Comment
  UC566985  Mimulus aurantiacus var. grandiflorus N. French 1934-5-29 376 Placer 1 mi w Lake Spaulding; Tahoe National Forest, Colfax Quadrangle 1463 Comment
  RSA550839  Mimulus aurantiacus var. grandiflorus David M. Thompson 1992-6-9 1124 Placer 13.4 mi SE of Foresthill Road ( and town of Foresthill) along Mosquito Ridge Road. 747 Comment
  UC943862  Mimulus aurantiacus var. grandiflorus H. E. McMinn 1945-10-20 5501 Placer ca. 1 1/2 mi w Lake Spaulding (ca. 40 yds from Bear River Bridge, e end of Bear Flats, above flume canal); Bear River Flat Comment
  CDA12004  Mimulus bifidus subsp. bifidus G. F. Hrusa 1995-5-2 12185 Placer Sierra Nevada; approx. 1 km. on Mosquito Ridge Rd. past Gorman Ranch Rd. intersection. Comment
  UC1063530  Mimulus breweri N. French 1934-6-22 443 Placer Serena Lake Tahoe National Forest, Truckee Quadrangle Comment
  CDA16995  Mimulus guttatus G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16048 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  LA83144  Mimulus guttatus O. H. Kappler; 1946-7-18 1307 Placer Lake Tahoe, NW shore 1920 Comment
  RSA447929  Mimulus guttatus Bonnie C. Templeton 1931-7-5 1512 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  SCFS1142  Mimulus guttatus E. Krimmel, F. Felix 2013-7-28 Placer NFAm. Swimming Hole Trail. Stop #5. Comment
  UC147643  Mimulus guttatus Harriet A. Walker 1908-6-23 1209 Placer Blue Canyon 1432 Comment
  SEINET12269869  Mimulus guttatus Unknown 1953-1 s.n. Placer US 50 near Placerville Comment
  JEPS111131  Mimulus kelloggii Steve Matson 2005-4-17 1222 Placer Near Colfax, Stevens Trail to the North Fork of the American River Comment
  UC193603  Mimulus layneae J. W. Congdon 1894-4-3 Placer Auburn Comment
  UCD43913  Mimulus microphyllus C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-25 1279 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  JEPS71705  Mimulus minusculus Gladys L. Smith 1972-6-18 3141 Placer Alpine Meadows 2072 Comment
  JEPS59501  Mimulus moniliformis Ezra Brainerd and Viola B. Baird 1915-7-17 256 Placer 1 mi above Bear Rock (cliffs e of river); Sierra Nevada Mts., Truckee River 2042 Comment
  UC1035691  Mimulus moniliformis Kay H. Beach 1941-6-16 1135 Placer between Blue Canyon and Baxter (along highway 40); Sierra Nevada Mountains Comment
  CHSC74274  Mimulus moschatus Susi Urie; Eric Schroder 1998-9-8 98 -283 Placer Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  UCD75683  Mimulus moschatus Ellen Dean, M. Starbuck,; G. Harrington, J. Buck, M. Bibbo, T. Sasaki, J. Poloske 2008-7-19 5132 a Placer Donner State Park, newly acquired lands to the SW of Donner Lake, along Emigrant Trail on the N side of the north fork of Cold Creek, near underdeveloped road that crosses the creek. 2106 Comment
  RSA0077806  Mimulus nanus var. mephiticus Milo S. Baker 1904-7-15 s.n. Placer Lake Valley, Lake Tahoe Region. Comment
  RSA569051  Mimulus primuloides Bonnie C. Templeton 1931-7-5 1507 Placer Near Meek's Bay, Lake Tahoe. 2280 Comment
  UCD21889  Mimulus primuloides Rex Palmer 1979-7-9 N 451 Placer Onion Creek meadow #2. Comment
  RSA434712  Mimulus primuloides Robert Kessler 1924-08 s.n. Placer Lake Tahoe. [County: Placer or El Dorado] Comment
  UCD162557  Mimulus suksdorfii Steve Matson 1998-6-6 227 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south side of Highway 267 50 meters east of Martis Creek. 1780 Comment
  UC193047  Mimulus tilingii C. F. Sonne Jul 25 1895-Aug 1 1895 Placer w slope Washoe Mts. Comment
  UC112826  Mimulus torreyi Katharine Brandegee 1908-7-15 Placer near Cisco Comment
  UCR206688  Mimulus torreyi George K. Helmkamp, E. A. Helmkamp 2009-7-16 15196 Placer Sierra Nevada Mountains, Foresthill Road, 20.3 miles northeast of the city of Foresthill 1704 Comment
  UC1047919  Mimulus torreyi Kay H. Beach 1940-9-12 1053 Placer near Soda Springs; Sierra Nevada Mountains Comment
  SEINET12765191  Minuartia californica Barbara Ertter 1991-3-29 9719 Placer 2-3 miles south of Lincoln.; 0 46 Comment
  SEINET215329  Minuartia californica F. M. Dummel 1967-1 12 Placer 2 mi W of Penryn 230 Comment
  CAS-BOT-BC174686  Minuartia cismontana G. L. Stebbins 1978-5-28 7895 Placer East end of Ralston Ridge 1554 Comment
  UCD98271  Minuartia douglasii Gurdev S. Khush 1959-5-10 18 Placer US Highway 40, 1.5 miles nortehast of Clipper Gap. 426 Comment
  CAS-BOT-BC481926  Minuartia rubella John H. Thomas; Hazelle A. Thomas 1956-7-21 6182 Placer Sierra Nevada, vicinity of Donner Pass, about 80 mi NE of Sacramento 2377 Comment
  CDA16052  Mitella breweri G. F. Hrusa, J. Glazner 2000-9-3 15662 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  SEINET6167722  Mitella breweri A. A. Heller 1909-7-16 9833 Placer Summit 2134 Comment
  UCD38904  Modiola caroliniana Beecher Crampton 1959-7-23 5427 Placer 6 miles north of Folsom. Comment
  CDA17967  Mollugo verticillata K. Connolly 1999-10-8 PDR 1222844 Placer Sierra Nevada; Sierra View Nursery, Loomis, CA. 129 Comment
  OBI39809  Monarda citriodora Joy H. Nishida 1985-7-10 776 Placer Homewood 1829 Comment
  CAS-BOT-BC318590  Monardella odoratissima subsp. pallida Geo. B. Grant 1906-7-20 7055 Placer Tahoe Tavern, Lake Tahoe Comment
  SD234897  Monardella odoratissima subsp. pallida G. K. Helmkamp, E. A. Helmkamp 2008-8-20 14030 Placer Northern Sierra Nevada Mountains: Soda Springs Road, 1.9 miles south of its junction with Donner Pass Road and beside (completely dry) Serena Creek. 2107 Comment
  UC2035926  Monardella odoratissima subsp. pallida Robert T. Clausen and Harold Trapido 1940-7-13 4883 Placer North of Ward Creek, west side of Lake Tahoe, 2 miles north of Tahoe Pines, Sierra Nevada, Lake Tahoe Basin 1905 Comment
  UC883619  Monardella odoratissima subsp. pallida P. A. Lebenbauer 1934-6-10 Placer Near Homewood; Lake Tahoe Comment
  RSA401652B  Monardella odoratissima subsp. pallida Julian P. Donahue 1976-7-4 s.n. Placer Blackwood Canyon, approx. 5 miles SW of Tahoe City 2134 Comment
  CAS-BOT-BC444732  Montia chamissoi Marcus E. Jones 1882-6-28 2628 Placer Emigrant Gap Comment
  UC569416  Muhlenbergia filiformis H. S. Yates 1936-8-9 5988 Placer two mi sw Martis Peak; Truckee Quadrangle 2286 Comment
  UCD43194  Muhlenbergia filiformis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 563 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SEINET4672123  Muhlenbergia filiformis M. J. Williams 1974-8-8 74 -PL-37 Placer Murphy's Meadow, 5 mi. SW of Hirschdale 2316 Comment
  UCD149725  Muhlenbergia montana G. Ledyard Stebbins 1977-7-9 7768 Placer Along trail from McKinistry Lake to Rubicon River. (Exact location unknown. Coordinates estimated by label maker.) 1767 Comment
  CAS-BOT-BC274927  Muhlenbergia rigens L. R. Abrams 1927-9-13 12150 Placer 11 miles E of Auburn on Lincoln Highway Comment
  UCD36121  Muhlenbergia rigens Beecher Crampton 1952-11-9 921 Placer Placer County, 6 miles east of Auburn, about 1.5 miles south of Meadow Vista. 457 Comment
  UCD87000  Muhlenbergia rigens Beecher Crampton 1969-11-13 8530 Placer Placer County, Weimar on Interstate 80 eastbound. 685 Comment
  JEPS21149  Nama lobbii N. French 1934-5-28 374 Placer 1 1/2 mi w Black Mountain; Colfax Quad., w of Black Mountain 1767 Comment
  RSA782545  Nama lobbii George K. Helmkamp, Amy Barnes 2009-7-12 15186 Placer 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
  RSA113797  Nassella pulchra Beecher Crampton 1957-5-7 3984 Placer Valley plain, Whitney Ranch, 6.8 miles N of Roseville Comment
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Dec 4 2013
  UC1153925  Nassella pulchra Beecher Crampton 1957-5-7 3984 Placer 6.8 mi n Roseville (valley plain); Whitney Ranch Comment
  UCD87469  Nassella pulchra Beecher Crampton 1957-5-7 3984 Placer Whitney Ranch, 6.8 miles north of Roseville. Comment
  SD247382  Nasturtium officinale George K. Helmkamp, Mary Alice Barnes 2013-3-3 20501 Placer Northern Sierra Nevada Mountains Foothills: Mosquito Ridge Road at the north side of the bridge over West Fork of North Fork American River, 5.2 miles east (87 degrees) of Forest Hill. 422 Comment
  JEPS127417  Navarretia capillaris Steve Matson 2003-7-6 828 Placer nSNH; about 6 miles SW of Truckee, Squaw Valley; Shirley Canyon trail to the PCT. Comment
  OBI11519  Navarretia capillaris R. F. Hoover 1967-9-5 10840 Placer Carnelian Bay, Lake Tahoe Comment
  UC572256  Navarretia divaricata B. Bolt 1934-6-19 149 Placer Tadpole Spring Tahoe National Forest, Colfax Quad. 1950 Comment
  UCD42929  Navarretia divaricata subsp. divaricata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-24 298 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  JEPS70275  Navarretia eriocephala R. E. Arp 1932-4-28 6 Placer Roseville Comment
  POM74451  Navarretia filicaulis Katherine Brandegee 1908-07 3417 Placer Cape Horn. Comment
  CHSC73974  Navarretia intertexta subsp. propinqua Susi Urie 1998-9-1 98 -196 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
  SEINET14058121  Navarretia intertexta subsp. propinqua F. H. Hillman s. n. Placer Between Truckee and Lake Tahoe Comment
  RSA123130  Navarretia leptalea subsp. bicolor N. H. French 1934-6-22 468 Placer Serena Lake 2409 Comment
  RSA29021  Navarretia leucocephala subsp. leucocephala Lincoln Constance 1941-5-28 2820 Placer 2 miles north of Lincoln, Sacramento Valley. 61 Comment
  CAS-BOT-BC230533  Navarretia prolifera subsp. lutea Mrs. E. C. Sutliffe 1927-6-1 s.n. Placer Highway near Phillips Resort Comment
  UCD48633  Navarretia tagetina Beecher Crampton 1953-4-26 1342 Placer 2 miles north of Lincoln edge of vernal pool. Comment
Read comments
Sep 2 2007
  UCSB28392  Navarretia tagetina Hardham, Clare 1974-5-20 Placer Outskirts of Lincoln; (tile factory) Rt. 65 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
  SEINET11261460  Nemophila heterophylla George Helmkamp, E. A. Helmkamp 2012-5-5 18920 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
  UCD13232  Nemophila heterophylla Harvey Chinn 1975-5-5 63 Placer Placer CO. Tahoe National Forest. Mosquito ridgeRoad, 8.9 miles west-southwest of Placer County Grove of Sierra Redwoods. Elevation 2900 feet. 883 Comment
  RSA201830  Nemophila maculata Barbara L. Hanson 1961-3-30 s.n. Placer Lee Mine Road; 4 miles east of Sacramento-Roseville-Auburn freeway. Comment
  UC1031217  Nemophila maculata Rolf Y. Berg 1954-4-15 Placer Auburn-Folsom Road eight mi s Auburn; s of Auburn Comment
  UC24198  Nemophila maculata H. N. Bolander 1865-4-12 4551 Placer on road from Auburn to Forest Hill at Grizzly Bear House Grizzly Bear House Comment
  UC718104  Nemophila menziesii Carl B. Wolf 1937-3-30 8351 Placer on Penryn Road 3 4/10 mi e Lincoln; Sacramento Valley, e of Lincoln 76 Comment
  UC880959  Nemophila pedunculata Lewis S. Rose 1940-6-2 40464 Placer 10 mi n Tahoe City; Truckee River, n of Tahoe City 1828 Comment
  UC606979  Nemophila pedunculata L. Constance 1938-6-6 2278 Placer 6.5 mi w Cisco (Sierra Nevada); , w of Cisco 1584 Comment
  UCR224861  Nemophila pulchella var. fremontii George K. Helmkamp, E. A. Helmkamp 2010-4-23 15911 Placer Sierra Nevada Mountains Foothills, along Salmon Falls Road, at Miners Valley Rd., 4.5 miles south of junction with CA-49 at Pilot Hill 287 Comment
  UC67138  Nemophila spatulata Marcus E. Jones, A. M. 1882-6-30 2816 Placer Emigrant Gap Comment
  SEINET5536436  Nemophila spatulata L. R. Miller 1936-5-19 s.n. Placer Above Zephyr Cove, Lake Tahoe Comment
  CAS-BOT-BC7235  Nemophila tenera Helen Smith 1899-5-1 s.n. Placer Applegate Comment
  UCR171342  Nepeta racemosa George K. Helmkamp, E. A. Helmkamp 2005-10-1 9989 Placer Northern Sierra Nevada Mtns., NW of Lake Tahoe; Junction of Bear Creek Dr. and Big John Road (c. 2.2 miles west of Calif. Highway 89 and just south of Alpine Meadows Road) 2015 Comment
  CAS-BOT-BC349912  Nothocalais alpestris L. S. Smith 1928-6-28 2422 Placer Tahoe National Forest. Miller Lake Range 2042 Comment
  UC905263  Odontostomum hartwegii Malcolm Nobs 1948-5-23 511 Placer on Hwy. 49 3/4 mi. n. of Rock Creek Comment
  UCD21985  Orobanche californica subsp. grayana Beth Lowe Corbin 1982-8-19 384 Placer 2 miles south of The Cedars. 2118 Comment
  JEPS111153  Orogenia fusiformis Steve Matson 2005-5-21 1239 Placer North shore of Lake Tahoe; Cedar Flat; National Forest; 39.1842 N, 120.1085 W; elevation 6700 ft. 2042 Comment
  UCD162600  Orogenia fusiformis Steve Matson 2009-5-9 2200 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; south of Highway 267, south of Martis Creek; about 1 kilometer SW of Parking area. 1780 Comment
  UC1438187  Orogenia fusiformis L. Constance and Betsy Wilson 1978-5-12 3894 Placer 5 mi. s. Trackee (Goose Meadows Campground in Truckee R. Valley); Sierra Nevada, Truckee R. Valley, Goose Meadows Campground 1828 Comment
  UCD22164  Orthilia secunda Rex Palmer 1979-7-11 N 537 Placer Headwaters basin area of the North Fork of the American River Comment
  CDA15919  Orthocarpus cuspidatus subsp. cryptanthus G. F. Hrusa, J. Glazner 1999-7-17 15144 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment
  UC103150  Orthocarpus cuspidatus subsp. cryptanthus C. F. Sonne June 1887 Placer road to Lake Tahoe; Sierra Nevada Mountains, road to Lake Tahoe Comment
  RSA516502  Orthocarpus hispidus W. L. Jepson 1931-6-16 15929 Placer Tahoe Vista, Lake Tahoe. 2043 Comment
  UCD74022  Osmorhiza chilensis Jennifer W. Burt; Sarah Shannon 2005-7-8 144 Placer PlaVada' abandoned ski area (off Hwy 80 at Kingvale exit) - collected from coniferous forest near abandoned ski runs. 1922 Comment
  UCD162548  Osmorhiza occidentalis Steve Matson 2006-7-7 1640 Placer nSNH; Tahoe west shore; Ward Creek watershed, near Tahoe City. Near Page Meadows on access road from Chamoix road. 2072 Comment
  SEINET208826 Image available Paeonia brownii Edward L. Smith 1967-6-17 sn Placer 1 mile east of Emigrant Gap 1620 Comment
  RSA654060  Panicum dichotomiflorum Beecher Crampton 1977-9-30 9531 Placer Applegate, Opposite grocery store Comment
  SACT001638  Panicum hillmanii Josephine Van Ess 1976-6-7 Placer Collected about 3/8 mile west from Barton Road. Roadside bank next to irrigated orchard. 103.7 Comment
  SACT001644  Panicum pacificum Michael Baad 1983-6-27 Placer 4 miles east southeast of Forest Hill 365.0 Comment
  CHSC96598  Parentucellia viscosa L. P. Janeway 2006-5-10 8593 Placer Sacramento Valley. Northeast side of Hwy 65, 2.8 road km northwest of central Lincoln, at upper drive into clay pits. 43 Comment
  UCD88897  Paspalum distichum A. A. Beetle 1941-6-27 2729 Placer 1 mile north of Lincoln. Comment
  JEPS71758  Pedicularis groenlandica Gladys L. Smith 1972-6-18 3140 Placer Alpine Meadows 2072 Comment
  CHSC11064  Pedicularis semibarbata Lowell Ahart 1969-7-30 Placer Near Handy Camp, French Meadows. 1524 Comment
  JEPS73663  Pedicularis semibarbata L. R. Heckard with G. L. Stebbins 1973-6-17 3452 Placer about 7 air mi se of Emigrant Pass (Summit of Big Valley Bluff); Big Valley Bluff 1935 Comment
  UCD21903  Pedicularis semibarbata Rex Palmer 1979-6-20 N 284 Placer Headwaters basin area of the North Fork of the American River Comment
  SCFS11529162  Pellaea brachyptera E. Krimmel, F. Felix 2012-9-13 Placer North Fork, American River. Comment
  JEPS35116  Pellaea breweri C. F. Sonne Aug 1887 320 Placer e slope <Mt Andersen> (above Coldstream); Sierra Nevada Mts Comment
  JEPS73135  Pellaea bridgesii Gladys L. Smith 1972-6-20 3269 Placer Ward Peak 2286 Comment
  UCD137727  Pellaea bridgesii S. Rivas; M. Barbour, D. S. Mata and P. Rodriguez 1997-9-3 Placer Soda Springs. Soda Springs Road. Tahoe National Forest. American River Canyon. 1850 Comment
  CAS-BOT-BC67604  Pellaea bridgesii David D. Keck 1932-6-30 1573 Placer Sierra Nevada - 1 mile E. of Cisco. 1798 Comment
  POM120782  Pellaea mucronata Marcus E. Jones 1902-6-29 s.n. Placer Emigrant Gap. Comment
  UCR208583  Pellaea mucronata George K. Helmkamp, E. A. Helmkamp 2009-5-7 14625 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
  CHSC24729  Pellaea mucronata var. californica T. C. English 1976-4-11 14 Placer N. Fork American River. 2 mi. W. Hwy 49 Bridge, 400 yds. N. abandoned R. R. 335 Comment
  JEPS60062  Pellaea mucronata var. mucronata W. L. Jepson 1938-4-5 18579 Placer 2 mi e on Placerville Rd Auburn Comment
  CDA15884  Penstemon azureus G. F. Hrusa, L. Serafini 1993-6-29 11254 Placer S side of French Meadows Reservoir immediately below dam. 1569 Comment
  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
  SDSU10918  Penstemon azureus D. F. Howe 1978-7-15 5072 Placer Rte 20, 27 miles W of Truckee. 1585 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
  UCR233280  Penstemon azureus subsp. angustissimus George K. Helmkamp, E. A. Helmkamp 2011-7-9 17683 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 1.6 miles southeast of its junction with Foresthill Road at Foresthill 883 Comment
  RSA285687  Penstemon azureus subsp. azureus D. C. Michener 1981-7-16 4010 -A Placer Sierra Nevada. Summit of Donner Pass above railway line and its tunnels; east flank of summit. Comment
  UC163936  Penstemon azureus var. azureus H. M. Hall 1910-6-19 8702 Placer Cisco 1800 Comment
  JEPS59355  Penstemon deustus Ezra Brainerd and Viola B. Baird 1915-7-9 106 Placer Bear Rock Sierra Nevada Mts., , Bear Rock (Truckee River) 1889 Comment
  RSA437416  Penstemon deustus Robert F. Thorne, J. Chandler 1987-6-26 5422 Placer CA Hwy 267, 3.2 mi S of Brockway Summit. Comment
  CAS-BOT-BC264483  Penstemon heterodoxus var. heterodoxus John Thomas Howell 1943-7-22 18705 Placer Summit Valley Comment
  CAS-BOT-BC264488  Penstemon heterodoxus var. heterodoxus L. S. Smith 1927-8-12 2222 Placer Upper Squaw Creek Basin below Peak 2286 Comment
  POM260311  Penstemon heterophyllus subsp. purdyi C. Leo Hitchcock 1940-5-14 6412 Placer Meier Ranch, 6 miles north of Colfax. 762 Comment
  UC54986  Penstemon heterophyllus var. purdyi C. F. Sonne 1891-5-17 15 Placer below Auburn; Sierra Nevada Mountains, below Auburn Comment
  UCD21906  Penstemon laetus Beth Lowe Corbin 1982-8-2 162 Placer Onion Creek campground. In fine, sandy, granitic soil along disturbed bank. Perennial herb, with blueish violet flowers. Mostly sun. South facing slope. Uncommon. 1841 Comment
  SD237626  Penstemon laetus subsp. leptosepalus G. K. Helmkamp, Amy Barnes 2009-7-12 15181 Placer Sierra Nevada Mountains Foothills: along Foresthill Road 10.3 miles northeast of the town of Foresthill (Michigan Bluff 7.5'Q). 1370 Comment
  RSA30916  Penstemon newberryi subsp. newberryi A. A. Heller 1917-6-18 12710 Placer Along the Yuba River below Cisco. 1646 Comment
  CAS-BOT-BC239276  Penstemon newberryi var. berryi John H. Thomas; Hazelle A. Thomas 1956-7-21 6158 Placer Sierra Nevada. Vicinity of Donner Pass, about 80 miles northeast of Sacramento 2377 Comment
  CAS-BOT-BC239278  Penstemon newberryi var. berryi Jas. L. Walters 1940-5-11 s.n. Placer Near Yuba Pass overhead east of Emigrant Gap Comment
  SCFS1120  Penstemon procerus E. Krimmel 2013-6-29 Placer NFAm. Painted Rock Trail. Comment
  CHSC91784  Penstemon roezlii G. F. Hrusa; J. Glazner 2000-7-1 15622 Placer Northern Sierra Nevada. Summit Village, Truckee. Along Donner Creek adjacent to Hwy 89. UTM: 10S, 43571 N, 07411 E. 1844 Comment
  CAS-BOT-BC239580  Penstemon rydbergii var. oreocharis Isabel McCracken 1938-7-2 s.n. Placer Dutch Flat Comment
  CHSC74444  Penstemon rydbergii var. oreocharis Susi Urie; Eric Schroder 1998-9-10 98 -319 Placer Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  HSC35691  Penstemon rydbergii var. oreocharis Thomas W. Nelson 1974-6-17 1374 Placer Dollar Point overlooking Lake Tahoe, N of Tahoe City 1585 Comment
  NY651288  Penstemon rydbergii var. oreocharis A. A. Heller 1909-7-16 9852 Placer Summit 2133.6 Comment
  RSA671810  Penstemon rydbergii var. oreocharis M. V. Hood 1939-7-4 s.n. Placer Upper Soda Springs. 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
  UC27437  Penstemon sudans C. J. Fox Jr. July 1893-July 1895 Placer near Squaw Peak; near Squaw Peak Comment
Read comments
Sep 7 2007
  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
  UCSB32267  Perideridia bolanderi Bingham, R. F. (Mrs.) 1882-1 Placer Auburn Comment
  POM126826  Perideridia bolanderi subsp. bolanderi Helen D. Geis 1912-07 80 Placer Deer Park Comment
  SEINET11153623  Perideridia gairdneri subsp. borealis P. A. Lehenbauer 1934-7-8 s.n. Placer Cisco. 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
  UC1436542  Perideridia lemmonii Arnold Tiehm Apr 1977 s. n. Placer Goose Meadow, Lake Tahoe Comment
  UCD127956  Perideridia parishii subsp. latifolia F. A. MacFadden 1934-7-2 s.n. Placer American River, 1/2 mile east of Rawhide Mine. Comment
  UCD42830  Perideridia parishii subsp. latifolia C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 196 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  SEINET11155361  Perideridia parishii subsp. latifolia M. J. Williams 1985-7-6 85- 61 -5 Placer Sierra Nevada, near old Donner Summit, S of Lake Mary. 2286 Comment
  SD7874  Persicaria amphibia Daniel Cleveland Aug 1873 Placer Truckee R., near Lake Tahoe Comment
  UCD80213  Petrorhagia dubia CNPS SN Foothill Team 2005-4-12 SNFN 0105 a Placer Placer Legacy Spears/Didion Ranch, site is located in the Spear's Ranch boundary off of Highway 49. The south-facing plot is above Coon Creek. 216 Comment
  UCD98376  Petrorhagia dubia M. D. Clegg 1963-5-4 27 Placer Folsom Reservoir, 2 miles north of Folsom, southeast corner of county. 60 Comment
  UCR207870  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2009-4-22 14576 Placer Sierra Nevada Mountains Foothills, Rucky Chuck Rd. (dirt) 1.2 miles southeast of Forest Hill Road 448 Comment
  UCD82832  Phacelia Robin McMaster 1973-6-3 448 Placer 2 mi W Lake Spaulding. Comment
  CHSC72874  Phacelia egena L. P. Janeway; Eric Schroder 1998-7-13 5756 Placer Lake Tahoe Basin. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  UCR189629  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2007-7-27 12637 Placer Northern Sierra Nevada Mountains, Southeast end of Cisco Grove; along local road just before it passes under Interstate-80 1744 Comment
  UCR240916  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2012-6-19 19241 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  UCR209748  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2009-8-12 15439 Placer Sierra Nevada Mountains, Forest Hill Road, 0.8 mile west of Robinson Flat, c. 27 miles NE of the city of Foresthill 2034 Comment
  UCR246828  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2010-7-28 16655 Placer Northern Sierra Nevada Mountains, Forest Hill Road, 22 miles northeast of the city of Foresthill 2041 Comment
  OBI82266  Phacelia heterophylla subsp. virgata George K. Helmkamp, Mary Alice Barnes 2013-5-3 20487 Placer Northern Sierra Nevada Mountains Foothills; Mosquito Ridge Road, 4.7 miles south of Forest Hill Road, 1.8 mi. east (92 deg. ) of Foresthill 829 Comment
  UC1208873  Phacelia heterophylla subsp. virgata G. T. Nordstrom 1934-6-22 154 Placer Mammoth Springs Tahoe National Forest, Colfax Quadrangle Comment
  UC1602035  Phacelia heterophylla subsp. virgata N. French 1934-6-22 477 Placer 1/2 mi w Lake Van Norden; Tahoe National Forest, Truckee Quadrangle Comment
  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
  SD243161  Phacelia hydrophylloides George K. Helmkamp, E. A. Helmkamp 2010-7-28 16662 Placer Northern Sierra Nevada Mountains: Forest Hill Road, 22 miles northeast of the city of Foresthill. 2041 Comment
  UC881156  Phacelia marcescens Lewis S. Rose 1940-5-29 40410 Placer 3 mi ne Emigrant Gap 1676 Comment
  UCD149513  Phacelia marcescens G. L. Stebbins 1970-7-12 7050 Placer 2 miles north of Alta, Bear River Canyon. (Exact location unknown. Coordinates estimated by label maker.) 1097 Comment
  CAS-BOT-BC226910  Phacelia mutabilis George K. Helmkamp; E. A. Helmkamp 2011-7-26 17857 Placer Northern Sierra Nevada Mountains: Emigrant Gap Road, 0.1 mile west of its junction with US-80, 0.65 mi. NE (65 deg. ) of Emigrant Gap 1590 Comment
  RSA303014  Phacelia mutabilis L. S. Rose 1944-7-10 44049 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  RSA0009550  Phacelia mutabilis Marcus E. Jones 1882-6-30 2813 Placer Emigrant Gap. Comment
  SEINET5507909  Phacelia mutabilis A. A. Heller 1909-7-16 9861 Placer Summit 2134 Comment
  POM64823  Phacelia racemosa Katherine Brandegee 1908-7-15 s.n. Placer Cisco. Comment
  UC881202  Phacelia racemosa Alice Eastwood 1909-1 229 Placer Squaw Creek Lake Tahoe Region Comment
  UC163979  Phacelia racemosa H. M. Hall 1910-6-19 8701 Placer type locality Cisco 1804 Comment
  CDA16036  Phacelia tetramera G. F. Hrusa, J. Glazner 2000-9-3 15677 A Placer Sierra Nevada; Sugar Bowl Ridge, immediately to W of proposed Crow's Nest ski run. 2164 Comment
  SACT001691  Phalaris aquatica D. Meyer 1984-6-3 Placer 585.0 Comment
  SACT001699  Phalaris arundinacea D. Meyer 1984-7-21 Placer Near golf course. 2000.0 Comment
  SEINET4691147  Phalaris arundinacea W. D. Billings 1951-7-15 2125 Placer Truckee River near Rampart, 2 miles west of Tahoe City 1859 Comment
  CDA36452  Phalaris arundinacea var. picta R. Robison 2011-8-19 Placer Lake Tahoe; Sugar Pine Point State Park, along General Creek, downstream from historic icehouse. 0 Comment
  UCD88773  Phalaris canariensis Collector Unknown 1925-5-29 2099 Placer Auburn. Comment
  RSA187449  Phalaris lemmonii Le Roy Abrams 1935-4-20 13685 Placer Roseville Comment
  UC1137147  Phalaris lemmonii August L. Hormay 1932-7-8 Placer w side Lake Tahoe (6 mi s of Tahoe Tavern); w side Lake Tahoe, s of Tahoe Tavern Comment
  CAS-BOT-BC77388  Philadelphus lewisii Marcus E. Jones 1882-7-3 3586 Placer Colfax 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
  UC11451  Philadelphus lewisii Mrs. M. M. Hardy 1893-1 Placer Comment
  CHSC74048  Phleum alpinum Susi Urie 1998-8-25 98 096 B Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SACT001734  Phleum alpinum Michael Baad 1983-8-21 Placer Collected on road between lakes from Soda Springs. 2.2 miles southwest of I80 exit to Soda Springs. 2019.0 Comment
  UCD42860  Phleum alpinum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 227 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UCD89344  Phleum alpinum R. Tofsrud 1951-7-11 s.n. Placer Ice Lake, 4 miles S of Soda Springs. Comment
  CHSC74170  Phleum pratense Susi Urie 1998-8-25 98 096 A Placer Lake Tahoe Basin-National Forest. About 0.2 mi north of Lake Tahoe; meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  SACT001748  Phleum pratense D. Meyer 1984-8-4 Placer Very wet roadside ditch hillside seeping water, shady. 1454.0 Comment
  SACT001756  Phleum pratense D. Meyer 1983-8-7 Placer Near gate into ski area parking lot, moist meadow with many sedges 207.0 Comment
  UCD44700  Phleum pratense C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2066 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CDA12402  Phlox gracilis G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8530 Ab Placer Lake Tahoe; N side of upper Ward Valley, 4 mi SW of Tahoe City. Comment
  UCR233386  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2011-8-26 18173 Placer Northern Sierra Nevada Mountains, Robinson Flat, 0.1 mile south of the campground at Forest Hill Road 2061 Comment
  CAS-BOT-BC60615  Phoenicaulis cheiranthoides Alice Eastwood 1912-6-15 367 Placer Lake Tahoe Region. Deer Park. Comment
  JEPS72021  Phoenicaulis cheiranthoides Gladys L. Smith 1972-6-20 3204 Placer Ward Peak, about terminus of Summit chairlift Ward Peak 2621 Comment
  JEPS72023  Phoenicaulis cheiranthoides Gladys L. Smith 1972-6-20 3223 Placer Ward Peak, from chair lift terminus to ultimate summit peak Ward Peak 2632 Comment
  UCD22354  Phoenicaulis cheiranthoides Rex Palmer 1979-6-9 N 157 Placer Headwaters basin area of the North Fork of the American River. 2255 Comment
  UCD22380  Phoenicaulis cheiranthoides Beth Lowe Corbin 1982-8-10 305 Placer 1 3/4 mile NW of Onion Creek Campground. SE facing slope, 40% incline. Locally common. Full sun. Open, rocky talus slope, above white fir forest. 2133 Comment
  POM177561  Phoradendron libocedri I. L. Wiggins 1930-10-12 5084 Placer Near Cisco. 1982 Comment
  CDA22384  Phoradendron macrophyllum J. C. Henderson 1969-2-26 Placer H. Nakae property, Newcastle-Lincoln Highway, Newcastle. 0 Comment
  POM131803  Phyllodoce breweri Allen M. Carpenter 1892-08 9406 Placer Sierra Nevada Mountains. Comment
  CAS-BOT-BC140521  Physocarpus Kellogg s.n. Placer Cisco Comment
  UCR231865  Physocarpus capitatus George K. Helmkamp, E. A. Helmkamp 2010-10-16 17030 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
  UCD19424  Phytolacca americana var. americana A. M. Shapiro 2001-9-20 s.n. Placer Dutch Flat Powerhouse Road, ca. 2.2 km past jct. with Nary Red Rd. [vic. of Alta]. 830 Comment
  UCR258219  Picris echioides George K. Helmkamp, Elizabeth Helmkamp 2012-10-20 20052 Placer Sierra Nevada Mountains Foothills, North Auburn; unnamed dirt road on east side of CA-49, between Rock Creek Road and Locksley Lane 387 Comment
  SEINET5334493  Pinus attenuata W. Priest 1956-4-16 s.n. Placer 20 miles of Baxter on U.S. 40. 1219 Comment
  SEINET5334496  Pinus attenuata P. L. Comanor, B. Clark; B. O'Malia 1969-5-15 s.n. Placer Approx. 3 mi. west of Colfax plot (1.85 mi. from end of railroad bridge on CA 194) up a dirt road located 1/2 mile past Bear Creek bridge additional 4/10 about 6 m. Comment
  UC813291  Pinus contorta subsp. murrayana A. A. Heller 1917-8-13 12883 Placer Summit valley 2118 Comment
  SEINET11738786  Pinus contorta var. murrayana H. H. Heller 1934-1 s.n. Placer Lake Tahoe Comment
  NY61590  Pinus jeffreyi N. H. Holmgren 1969-7-25 3754 Placer This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1134045  Pinus monticola R. W. Lundh 1933-4-26 240 Placer 3 mi e of Cisco; Tahoe National Forest, Truckee Quadrangle 1828 Comment
  UCD13360  Pinus ponderosa Anne Marie Weyandt 1989-5-20 13 Placer Placer Co., near road cut. T 12N, R 12E, Sect. 21, SW 1/4. Elev. 3000 ft. 914 Comment
  NY42681  Pinus sabiniana J. B. Walker 1994-8-19 932 Placer 1km S of Weimar, at offramp of I-80 320 Comment
  UC338318  Pinus sabiniana unknown Placer Auburn Aubutn Comment
  SBBG28848  Plagiobothrys bracteatus C. L. Hitchcock 1940-5-7 6350 Placer ca. 1 mi W of Baxter Comment
  HSC82225  Plagiobothrys canescens Thomas W. Nelson 1979-4-10 4575 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  CHSC96470  Plagiobothrys fulvus Lowell Ahart; Brian Williams 2007-4-13 13636 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  JEPS113117  Plagiobothrys fulvus Lowell Ahart, Brian Williams 2007-4-13 13636 Placer Open pasture fields, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln 43 Comment
  UCD18831  Plagiobothrys greenei Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-27 136 Placer 1 mi. east along Athens Ave. from its intersection with Industrial Ave., pools are north of Athens and west of dirt road, Orchard Creek site, pool # OKC022, UTMs: 10S0645594; 4300408. Comment
  UC726333  Plagiobothrys greenei A. A. Heller 1940-4-20 15538 Placer along U.S. Highway #99E near Whitney Station s Lincoln Comment
  CAS-BOT-BC230953  Plagiobothrys hispidulus Marcus E. Jones 1882-6-23 s.n. Placer Emigrant Gap Comment
  CHSC73035  Plagiobothrys hispidulus L. P. Janeway 1998-8-6 5965 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Large meadow complex. 1938 Comment
  UCD44451  Plagiobothrys hispidulus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1817 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR121489  Plagiobothrys hispidulus George K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5021 C Placer Northern Sierra Nevada Range, N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  CAS-BOT-BC230940  Plagiobothrys hispidulus John Thomas Howell 1938-8-2 14007 Placer 5 miles N of Brockway Comment
  CAS-BOT-BC230944  Plagiobothrys hispidulus Le Roy Abrams 1911-7-27 4770 Placer Lake Tahoe Region. Lake Valley 1950 Comment
  UCD13197  Plagiobothrys nothofulvus Charles Martin 1986-4-27 23 Placer California. Placer Co. Near Folsom Lake. W end of Sierra Dr. in empty lot. Elev. ca. 430 ft. 131 Comment
  UCD73909  Plagiobothrys nothofulvus Rebecca Epanchin-Niell 2000-4-27 45 Placer SW of Auburn District Regional Park, N of Bell Road, Auburn, CA. Comment
  UC1004180  Plagiobothrys stipitatus W. A. Weber and Lewis S. Rose 1953-5-19 8391 Placer 5 mi n Roseville (on road to Lincoln) 45 Comment
  CHSC96475  Plagiobothrys stipitatus var. micranthus Lowell Ahart; Brian Williams 2007-4-13 13638 Placer Bottom of vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  SBBG28851  Plagiobothrys stipitatus var. micranthus L. Constance 1941-5-28 2822 Placer 2 mi N of Lincoln 60 Comment
  CAS-BOT-BC261664  Plagiobothrys undulatus George K. Helmkamp; E. A. Helmkamp 2011-5-12 17255 Placer Southern Sacramento Valley: south of Lincoln along Athens Ave., 1.6 mile east of Fiddyment Road, 0.6 mi. west of Industrial Ave. 41 Comment
  RSA0067559  Plantago coronopus George K. Helmkamp, E. A. Helmkamp 2012-3-31 18650 Placer along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  CDA36964  Plantago lanceolata CDFA Staff s.n. Placer Nute Ranch, near Nute Road. 0 Comment
  UCR238578  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2012-3-31 18657 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  UCD43338  Platanthera dilatata var. leucostachys C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-12 706 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SJSU9122  Platanthera sparsiflora Robert L. Fisher 1959-8-5 Placer Emigrant Meadow at head of Sugar Bowl Creek (S Fork Yuba R) 3 mi S of Norden 2286 Comment
  UCR208264  Plectritis brachystemon George K. Helmkamp, E. A. Helmkamp 2009-5-7 14631 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  UCR250901  Plectritis macrocera George K. Helmkamp, Mary Alice Barnes 2013-4-18 20347 Placer Northern Serrra Nevada Mountains Foothills, Yankee Jim Road, 0.9 mile east of its junction with Canyon Way, 4.4 miles SE (167 deg. ) of Colfax 561 Comment
  CAS-BOT-BC458183  Pleuricospora fimbriolata Helen Eloesser La Plant 1945-8-1 s.n. Placer Lake Tahoe region, Sunnyside Lane, about 3 mi S of Tahoe City, 1/4 mi. N of Ward Creek 1341 Comment
  SFV18643  Pleuricospora fimbriolata J. D. Dilley 2002-6-3 451 Placer Sierra Nevada Cuckoo Ridge, trail to Grouse Ridge Falls, 1 mile from trailhead. Comment
  UC1137074  Poa August L. Hormay 1933-5-24 Placer foothills w of Auburn 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
  SACT001865  Poa incurva Michael Baad 1976-8-12 Placer Collected on transect from ridge between Emigrant Gap and Granite Cheif, north to Mountain Meadow Lake, northwest of Granite Cheif. 2438.4 Comment
  SACT001900  Poa pratensis Michael Baad 1983-7-23 Placer Next to stream along southwest side of highway 267. 6 miles southeast of Truckee. 2316.0 Comment
  SACT001902  Poa pratensis Michael Baad 1983-7-23 Placer Along Highway 267 on south side of road. 81.0 Comment
  SACT001913  Poa pratensis D. Meyer 1983-8-7 Placer 8.5 km south of Placer County line moist shady area Louisiana Pacific Private Forest enterance. 1758.0 Comment
  SACT001924  Poa pratensis D. Meyer 1984-9-23 Placer Collected beneath bridge at end of paved portion of road to Barkers Pass. Plants growing in water. 2121.0 Comment
  SACT001933  Poa pratensis D. Meyer 1984-6-3 Placer Moist shrubby area. 606.0 Comment
  UCD91952  Poa pratensis L. S. Smith Jul - Aug 1915 s.n. Placer Squaw Valley. Comment
  CHSC69981  Poa pratensis subsp. pratensis L. P. Janeway; Eric Schroder 1997-7-17 5245 Placer Tahoe National Forest. Meadow on southeast side of Fulda Creek at Forest Service Organizational Camp; about 1.2 mi south-southwest of Emigrant Gap. 1554 Comment
  CHSC74922  Poa pratensis subsp. pratensis Susi Urie; Eric Schroder 1998-9-8 98 -277 Placer Lake Tahoe Basin-National Forest. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  SACT001973  Poa scabrella Michael Baad 1983-5-5 Placer 3 miles southeast of Canyon Way Road descending to North Fork of the American River. 548.64 Comment
  SACT002010  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  SACT002011  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  SACT002012  Poa secunda James Grove 1977-7-15 Placer 2000.0 Comment
  UC337960  Poa secunda subsp. secunda unknown Placer summit of Sierra Cisco Comment
  UCD90792  Poa secunda subsp. secunda Beecher Crampton 1955-6-15 2860 Placer 3 miles east of Weimar, on Forest Hill Road, just off US Hwy 40. Comment
  POM112949  Poa sierrae Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap. Comment
  CHSC96500  Pogogyne zizyphoroides Lowell Ahart; Brian Williams 2007-4-13 13650 Placer On damp granite soil, on the bottom of small vernal pools, about 1/2 mile south of the Manzanita Cemetery, about 1/2 mile west of Gladding Road, about 2 3/4 miles north of Lincoln. 43 Comment
  UC1004177  Pogogyne zizyphoroides Lewis S. Rose and W. A Weber 1953-5-19 8392 Placer 5 miles N of Roseville on road to Lincoln 48 Comment
  CAS-BOT-BC539343  Polemonium micranthum Steve Matson 2009-5-9 2204 Placer nSNH: Martis Valley, about 4 mi SE of Truckee; Martis Creek Wildlife ARea, S of Hwy 267, N of Martis Creek, just W of parking lot near creek 1780 Comment
  JEPS43024  Polygala cornuta var. cornuta K. Brandegee Sept. 1888 Placer Blue Canyon Comment
  POM86556  Polygala cornuta var. cornuta Marcus E. Jones 1882-7-3 3316 Placer Colfax. Comment
  UC1130351  Polygala cornuta var. cornuta N. French 1934-6-15 410 Placer Scott Hill Tahoe National Forest, Colfax Quadrangle 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
  JEPS59369  Polygonum amphibium var. stipulaceum Ezra Brainerd and Viola B. Baird 1915-7-23 118 Placer pool near Lake Tahoe; Green Pt. 1920 Comment
  JEPS72805  Polygonum aviculare subsp. depressum Gladys L. Smith 1972-8-25 3403 Placer about chairlift above Shirley Lake (tr. to Granite Chief) 2499 Comment
  CAS-BOT-BC109147  Polygonum bolanderi G. L. Stebbins, Jr. 1952-6-22 5099 Placer Along southeast bank of American River, 1 mile northeast of bridge on Colfax-Iowa Hill road. 350 Comment
  JEPS14355  Polygonum bolanderi Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, F. Ehrendorfer and H. Stutz 1952-7-19 3853 Placer peninsula jutting out into North Fork of the American River (below Cape Horn, 1/2 mi above bridge on Colfax-Iowa Hill road) 381 Comment
  CAS-BOT-BC414391  Polygonum californicum L. R. Abrams 1917-9-14 6754 Placer Between Roseville and Penryn Comment
  RSA35123  Polygonum douglasii L. S. Rose 1944-7-22 44214 Placer Chambers lodge, Lake Tahoe. 1921 Comment
  UCD21929  Polygonum douglasii Beth Lowe Corbin 1982-8-10 297 Placer 1 1/4 miles WNW of Onion Creek campground. Rocky, fine, sandy soil. Open disturbed area, old logging landing, in White Fir forest. Full sun. SW facing slope, 15% incline. Locally abundant. 1981 Comment
  RSA97516  Polygonum douglasii Beecher Crampton 1955-7-13 3015 Placer Placer-Nevada County border, along Hwy 20, 1.5 miles N of Emigrant Gap. 1372 Comment
  CAS-BOT-BC418583  Polygonum minimum A. A. Heller 1919-7-25 13290 Placer Near the Yuba River below Cisco 1676 Comment
  UCR233456  Polygonum phytolaccifolium George K. Helmkamp, E. A. Helmkamp 2011-8-26 18188 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
  UCD42814  Polygonum polygaloides subsp. confertiflorum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 180 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC570037  Polygonum sawatchense subsp. oblivium N. French 1934-6-22 478 Placer 1/2 mi w Lake Van Norden; Truckee Quadrangle 2133 Comment
  CAS-BOT-BC109257  Polygonum shastense John Thomas Howell 1943-7-21 18663 Placer Donner Pass to Mount Lincoln. Comment
  RSA689954  Polypodium californicum Elizabeth Flint 1930-1 101 Placer American River bridge, near Auburn 457 Comment
  UCR250342  Polypodium calirhiza George K. Helmkamp, Mary Alice Barnes 2013-4-18 20367 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
  SEINET3440030 Image available Polypodium hesperium George K. Helmkamp, E. A. Helmkamp 2012-5-5 18924 Placer Northern Sierra Nevada Mountains Foothills: Lake Clementine Road, 1.2 mi W of its junction with Foresthill Road, 0.3 air mi SE of Clementine Dam on the American River 396 Comment
  SACT001573  Polypogon australis D. Meyer 1983-7-16 Placer 1212.0 Comment
  UC1132892  Polypogon australis N. French 1933-5-5 41 Placer s Newcastle; Sacramento Quad. Comment
  SEINET10827620  Polypogon interruptus Alan A. Beetle 1941-5-26 Beetle 2724 Placer Near Auburn, bank of branch Rubicon River. Comment
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Feb 28 2019
  SACT002030  Polypogon monspeliensis D. Meyer 1983-5-15 Placer Moist roadside ditch next to cultivated field. 19.812 Comment
  SACT002039  Polypogon monspeliensis Josephine Van Ess 1976-8-18 Placer Collected on Ferriera Ranch just east of LIncoln on Highway 193. Edge ofsalt spring area. Comment
  JEPS33239  Polystichum imbricans subsp. curtum Matt Herbrand 1917-12-20 Placer 1524 Comment
  CAS-BOT-BC76757  Polystichum imbricans subsp. imbricans Fay A. Mac Fadden 1933-7-11 10946 Placer Canyon Creek, Monte Sita Inn Comment
  UC527361  Populus tremuloides C. B. Wolf 1931-9-10 2420 Placer near R.R. between Tahoe Tavern and head of Truckee River ((gates)); btw Tahoe Tavern and head of Truckee River 1920 Comment
  CAS-BOT-BC104250  Populus trichocarpa C. B. Wolf 1931-9-11 1298 Placer Near creek, 7 miles below summit of Donner Pass, west slope of Sierra Nevada 1828 Comment
  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
  UCD110729  Populus trichocarpa G. L. Stebbins Jr. 1942-9-1 3341 Placer Bank of Yuba River, on U.S. Highway 40, 1 1/2 miles west of Cisco. 1706 Comment
  UCD72908  Porterella carnosula Albert A. Grigarick 2008-6-17 19 Placer Vicinity of Pole Creek, west of Hwy. 89, SE of Donner Lake. Driving Directions: Int. 80 east to Hwy. 89 South, rt. turn at Pole Creek Rd. 6.3 miles, continue 1.8 miles on Pole Creek Rd. to large marsh on right of road. 2027 Comment
  POM296430  Potamogeton gramineus Lyman Benson 1932-7-31 4013 Placer Donner Lake. Sierra Nevada mtn range, Truckee River watershed. 1890 Comment
  RSA0115169  Potamogeton gramineus Lyman Benson 1947-8-12 12789 Placer Tahoe City, Lake Tahoe (Aquatic). Mt. Range: Sierra Nevada 1889 Comment
  CAS-BOT-BC453744  Potamogeton natans W. R. Dudley 1900-6-28 s.n. Placer Tallac Comment
  UC170070  Potentilla drummondii subsp. bruceae Miss Helen D. Geis 1912-6 37 b Placer Deer Park Comment
  JEPS127452  Potentilla flabellifolia Steve Matson 2004-8-1 1091 Placer Tahoe Basin west shore; Blackwood Canyon; 1/2 mile SE of Barker Pass. Comment
  UC177360  Potentilla flabellifolia C. F. Sonne 1893-8-27 Placer near Tinker Knob; Sierra Nevada Mountains, near Tinker Knob Comment
  CHSC72886  Potentilla glandulosa subsp. ashlandica L. P. Janeway; Eric Schroder 1998-7-13 5746 Placer Lake Tahoe Basin Management Unit- National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. Meadow complex. 1938 Comment
  CHSC74701  Potentilla glandulosa subsp. nevadensis Susi Urie; Eric Schroder 1998-9-8 98 -280 Placer Lake Tahoe Basin. Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  SD103786  Potentilla glandulosa subsp. nevadensis Darley F. Howe 1978-7-15 Placer Along highway 20 off I-80, 29 miles west of Truckee 1646 Comment
  POM275172  Potentilla glandulosa var. nevadensis Lyman D. Benson 1933-6-26 4542 Placer 4 miles W of Donner Pass, Sierra Nevada, Bear River watershed 1982 Comment
  JEPS111220  Potentilla gracilis var. elmeri Steve Matson 2005-6-15 1284 Placer Martis Valley, ca 3 miles southeast of Truckee, north of 267, just west of Martis Creek; 39.3030 N, 120.1209 W; Elevation 5840 ft. 1780 Comment
  UCD43179  Potentilla gracilis var. fastigiata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 548 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  CAS-BOT-BC540397  Potentilla gracilis var. fastigiata Ira L. Wiggins 1933-8-21 6782 Placer Shores of Lake Tahoe, near Tahoma Comment
  SEINET6637688  Potentilla gracilis var. fastigiata P. Lehenbauer 1932-6-26 s.n. Placer Near Tahoe City Comment
  UC66404  Primula suffrutescens P. B. Kennedy and S. B. Doten 1901-8-10 272 Placer Summit-Soda Springs summit of Devil's Cliff; summit of Devils Cliff, Summit-Soda Springs Comment
  CDA6519  Proboscidea lutea J. H. Wilson 1961-8-18 Placer 0 Comment
  CAS-BOT-BC163053  Prunus emarginata Carl B. Wolf 1930-10-11 988 Placer 4 miles west of Emigrant Gap 1524 Comment
  CAS-BOT-BC163056  Prunus emarginata A. A. Heller 1917-8-15 12940 Placer Lincoln highway near Yuba Pass 1828 Comment
  CAS-BOT-BC32677  Prunus emarginata Marcus Eugene Jones 1882-6-28 2693 Placer Emigrant Gap Comment
  UCD113180  Prunus emarginata Eric Brenner; John Hunter 1996-5-26 011 Placer Big Trees, Mosquito Ridge Road, Tahoe National Forest. 1740 Comment
  UCD22282  Prunus emarginata Rex Palmer 1979-7-12 N 642 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR200860  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2008-9-15 14104 Placer Northern Sierra Navada Mountains, along Foresthill Road 26 miles northeast of the city of Forest Hill 1954 Comment
  UC1128496  Prunus subcordata J. E. Sowder, R. W. Lundh 1933-4-10 25 Placer North East Colfax Hill 853 Comment
  JEPS48434  Pseudotsuga menziesii L. S. Smith Aug. 1914 Placer Cisco Comment
  CHSC43333  Pseudotsuga menziesii var. menziesii Lowell Ahart 1973-3-29 189 Placer Near Volcano Canyon, east of Foresthill. 1371 Comment
  UCR232644  Pseudotsuga menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2011-9-30 18346 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
  CAS-BOT-BC361709  Psilocarphus brevissimus var. brevissimus Mrs. H. C. Cantelow 1940-5-13 3432 Placer S.E. of Wheatland Comment
  CAS-BOT-BC249051  Pteridium aquilinum var. pubescens George K. Helmkamp; E. A. Helmkamp 2010-8-14 16769 Placer Northern Sierra Nevada Mountains: Deadwood Road, 1.2 miles south of its junction with Forest Hill Road 1564 Comment
  UCD23229  Pteridium aquilinum var. pubescens Beth Lowe Corbin 1982-8-3 194 Placer Hill west of Onion Creek campground. 1853 Comment
  UCR231008  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-8-14 16800 Placer Northern Sierra Nevada Mountains, American Hill Road, 1.2 miles south of its junction with Foresthill Road 1567 Comment
  UCR231876  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-10-16 17019 Placer Northern Sierra Nevada Mountains Foothills, Yankee Jim's Road, 0.5 mile north of Forest Hill Road in Foresthill, near intersection with Mayflower Rd. 948 Comment
  UC861227  Purshia tridentata Lewis S. Rose 1940-6-1 40445 Placer Donner Lake 1813 Comment
  UCD113259  Purshia tridentata Beecher Crampton 1975-9-22 9289 Placer Martis Valley, Truckee-Tahoe airport area, ca. 2.5 miles SE of Truckee. Comment
  UC1128527  Purshia tridentata var. tridentata N. French 1934-6-22 460 Placer 0.5 mi w Lake Van Norden; Tahoe National Forest, Truckee Quad. 2286 Comment
  UC480727  Purshia tridentata var. tridentata W. C. Blasdale 1923-7-13 Placer Top of Ellis Peak; Lake Tahoe Region Comment
  UC32708  Pyrola asarifolia A. M. Carpenter 1892-8 Placer collected in Placer Co. California Comment
  SEINET7257144  Pyrola dentata P. Lehenbauer 1933-8-6 2542 Placer [Sierra Nevada] near Homewood, Lake Tahoe Comment
  JEPS126342  Pyrola picta Steve Matson 1998-7-28 350 Placer Tahoe north shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; above West Fork of Snow Creek. Comment
  CAS-BOT-BC466093  Pyrola picta M. E. Parsons 1910-7-23 s.n. Placer Aspen Grove, Lake Tahoe Comment
  SACT002616  Quercus chrysolepis Josephine Van Ess 1977-5-13 Placer 365.8 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
  SACT002629  Quercus chrysolepis Herbert Copeland 1935-3-17 Placer 970.0 Comment
  SEINET9006750  Quercus douglasii W. D. Billings 1939-3-19 1198 Placer Sierra Foothills, 10 miles northwest of Auburn Comment
  CDA16974  Quercus durata G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16027 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  SACT002143  Quercus kelloggii Josephine Van Ess 1976-9-15 Placer collected about 0.5 miles below dam, ravine bank 48.8 Comment
  UC1140073  Quercus kelloggii Marcus E. Jones, A. M. 1882-6-30 2871 Placer Emigrant Gap Comment
  CAS-BOT-BC104589  Quercus vacciniifolia Mary P. Wells 1980-9-11 s.n. Placer Sierra Nevada. Forest West of Pioneer Way. Tahoe City 1981 Comment
  SACT002708  Quercus vacciniifolia Michael Baad 1977-6-1 Placer Collected on trailhead. 5 km north of Foresthill Divide Road. 2 km north of Skunk Spring. 1341.12 Comment
  SJSU10160  Quercus vacciniifolia A. W. Jacobs 1936-9-6 Placer summit of Eagle Rock above Idlewild on W shore Lake Tahoe 2209 Comment
  UC405379  Quercus vacciniifolia J. Grinnell 1913-9-26 Placer Cisco Comment
  UCD21488  Quercus vacciniifolia Rex Palmer 1979-7-26 N 832 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21490  Quercus vacciniifolia Beth Lowe Corbin 1982-8-4 206 Placer Located on hill west of Onion Creek Campground. 1853 Comment
  UCD47482  Quercus vacciniifolia G. T. Nordstrom 1934-6-18 104 Placer 1/4 mile southeast top of Texas Hill. 1615 Comment
Read comments
Aug 12 2008
  CHSC114159  Quercus wislizeni G. K. Helmkamp; E. A. Helmkamp 2010-4-17 15883 Placer Sierra Nevada Mountains Foothills: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA 49 near Pilot Hill. 314 Comment
  CDA19817  Quercus wislizeni var. wislizeni P. Akers 2002-4-14 s.n. Placer Northern California; E end of Clarke Tunnel Rd, N of Penryn. 0 Comment
  JEPS86475  Raillardella argentea L. R. Heckard with J. Hickman and Alice Howard 1986-7-26 6553 Placer ca 5 mi se Donner Lake (e of Tinker Knob, Sherman Chickering's Soda springs holdings) 2621 Comment
  SEINET5338933  Ranunculus C. Aarstad, Hugh N. Mozingo 1979-4-1 s.n. Placer Eldorado Creek near junct. W/No. fork of middle fork of American River, Mosquito Ridge Rd. to French Meadows 518 Comment
  UCD22193  Ranunculus alismifolius Rex Palmer 1979-6-2 N 367 Placer Headwaters basin area of the North Fork of the American River Comment
  POM269582  Ranunculus alismifolius var. hartwegii Lyman Benson 1942-7-2 11243 Placer Highway junction 1 mile west of Truckee. Truckee River drainage area. 1829 Comment
  CAS-BOT-BC379379  Ranunculus alismifolius var. hartwegii W. R. Dudley 1893-6-7 s.n. Placer near Donner Lake Comment
  CAS-BOT-BC379382  Ranunculus alismifolius var. hartwegii Lyman Benson 1942-7-2 11243 Placer Sierra Nevada Mts., junction of U.S. 40 and the Truckee River Road to Lake Tahoe 1890 Comment
  CAS-BOT-BC379387  Ranunculus alismifolius var. hartwegii Mrs. Jos. Clemens 1920-4-13 s.n. Placer Crescent Mills Comment
  CAS-BOT-BC379390  Ranunculus alismifolius var. hartwegii A. A. Heller; P. B. Kennedy 1907-7-9 8792 Placer Prattville Comment
  CAS-BOT-BC379394  Ranunculus alismifolius var. hartwegii Alice Eastwood 1909-1-1 130 Placer Ward Creek Comment
  CAS-BOT-BC379395  Ranunculus alismifolius var. hartwegii Alice Eastwood 1912-6-15 s.n. Placer Lake Tahoe Region, Seven Lakes Comment
  CAS-BOT-BC379400  Ranunculus alismifolius var. hartwegii C. F. Sonne 1886-5-2 329 Placer Serra Nevada Mts., in water or near Marzens Meadows near Truckee Comment
  UCD44736  Ranunculus californicus C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2102 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  SJSU9858  Ranunculus flammula R. L. Fisher 1982-9-14 Placer Yuba Gap, Hwy 40 1676 Comment
  POM312418  Ranunculus flammula var. ovalis Malcolm A. Nobs, S. Galen Smith 1949-8-21 1511 Placer Marsh between sandy beach and Agate Bay, north end of Lake Tahoe. Comment
  UCR49689  Ranunculus hystriculus Katherine Brandegee 1909-4-28 92 Placer Near Auburn, in the Sierra Nevada fothills 320 Comment
  CAS-BOT-BC228549  Ranunculus muricatus George K. Helmkamp; E. A. Helmkamp 2011-4-10 17159 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan 41 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
  UC838062  Ranunculus uncinatus Marcus E. Jones, A. M. 1882-6-28 3308 Placer Emigrant Gap Comment
  CAS-BOT-BC59529  Rhamnus alnifolia C. F. Sonne 1886-6-6 44 Placer Sierra Nevada - Spring at Spring Mill Comment
  CAS-BOT-BC59531  Rhamnus alnifolia H. L. Mason 1939-8-3 12200 Placer Squaw Valley 7 miles northwest of Tahoe City 1889 Comment
  CAS-BOT-BC59535  Rhamnus alnifolia Alice Eastwood 1912-6-15 434 Placer Deer Park Comment
  UCD36677  Rhamnus crocea var. ilicifolia Beecher Crampton 1955-6-15 2871 Placer Placer County, Head of Bunch Canyon, 0.5 mile south of U.S. Highway 40. Comment
  UC570990  Rhamnus ilicifolia Herbert L. Mason 1926-5-28 3265 Placer near Auburn Comment
  UC877119  Rhododendron occidentale C. L. Hitchcock 1940-5-14 6399 Placer 6 mi n of Colfax (Meier Ranch); Meier Ranch 762 Comment
  CDA26520  Rhododendron occidentale var. californicum G. F. Hrusa 1993-6-29 9882 Placer Sierra Nevada; Placer Big Trees Redwood Grove. Mosquito Ridge Rd. below French Meadows Reservoir. Comment
  CAS-BOT-BC438106  Ribes Kellogg; Brannan June 8 s.n. Placer Cisco Comment
  CAS-BOT-BC438108  Ribes Baki Kasapligil 1974-10-6 4908 Placer N. Calif., Placer Co., Soda Springs Sugar Bowl 2377 Comment
  JEPS46317  Ribes L. S. Smith 1928-7-21 2495 Placer Deer Park Tahoe Forest (along stream) 1950 Comment
  CAS-BOT-BC108692  Ribes cereum Bethel; Posey 1920-5-23 s.n. Placer Tahoe. Comment
  CAS-BOT-BC108697  Ribes cereum Dr. E. C. Van Dyke 1915-7-1 s.n. Placer Lake Tahoe Region. Comment
  SBBG8912  Ribes cereum E. R. Blakley 1960-9-4 3826 Placer hill 1 mi N of Carnelian Bay, Lake Tahoe 2072 Comment
  UCD75745  Ribes cereum Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5209 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
  UC11585  Ribes lasianthum C. F. Sonne July 1887 Placer Mts. on Truckee River; Sierra Nevada Mountains Comment
  HSC103190  Ribes lasianthum Jade Paget-Seekins 2010-7-18 48 Placer Mountains west of Lake Tahoe, up Forest Route 3 past the Ellis Peak trailhead, left onto road toward Miller Meadows. 2228 Comment
  CAS-BOT-BC219173  Ribes nevadense A. A. Heller 1917-6-17 12725 Placer Cisco 1828 Comment
  CAS-BOT-BC219203  Ribes nevadense Alice Eastwood 1912-6-15 393 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC219206  Ribes nevadense Peter H. Raven 1956-8-4 9993 Placer 1.0 miles from Blue Canyon on road to Emigrant Gap Comment
  CAS-BOT-BC219208  Ribes nevadense Geo. B. Grant 1906-7-15 s.n. Placer About Lake Tahoe 2438 Comment
  JEPS72247  Ribes roezlii Gladys L. Smith 1972-6-18 3135 Placer Alpine Meadows 2072 Comment
  UC974958  Ribes roezlii Lewis S. Rose 1940-6-1 40449 Placer 3 mi nw Tahoe City; Truckee River 1889 Comment
  UCD22342  Ribes roezlii Rex Palmer 1979-5-26 N 18 Placer Headwaters basin area of the North Fork of the American River. 1950 Comment
  SEINET13942761 Image available Ribes roezlii Peter H. Raven 1950-1 2423 C Placer El ca 4000 ft 1219 Comment
  CAS-BOT-BC186206  Ribes roezlii var. roezlii Elizabeth Parsons Hawver s.n. Placer Lake Tahoe Region Comment
  CAS-BOT-BC186208  Ribes roezlii var. roezlii Miss. T. V. Raphael 1923-7-6 s.n. Placer Cisco Comment
  CHSC73937  Rorippa curvisiliqua Susi Urie 1998-8-19 98 -079 Placer Lake Tahoe Basin--National Forest. About 0.2 mi north of Lake Tahoe; large meadow complex between Kings Beach and Tahoe Vista. 1901 Comment
  CAS-BOT-BC74623  Rorippa curvisiliqua Wm. Vortriede 1928-1-1 s.n. Placer Lake Tahoe. 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
  JEPS102729  Rorippa curvisiliqua var. orientalis Lowell Ahart 2001-10-10 9365 Placer French Meadows Reservoir, near the boat or trail access area on the NW side of the reservoir, about 1 mile SW of the bridge across the Middle Fork of the American River, about 2 miles SW of Ahart Camp, about 22 miles (air) NE of Forest Hill. 1594 Comment
  SEINET5784173 Image available Rorippa nasturtium-aquaticum Marcus E. Jones 1882-1 Placer Emigrant Gap Comment
  UCR240918  Rorippa palustris subsp. palustris George K. Helmkamp, E. A. Helmkamp 2012-6-19 19245 Placer Northern Sierra Nevada Mountains, Foresthill Road, 9.2 miles east of its junction with Devil's Thumb Road 2055 Comment
  CAS-BOT-BC146354  Rosa Saichi Kawahara 1969-5-24 842 Placer Near garden Henderson Ranch, Indian Creek 1005 Comment
  POM89568  Rosa bridgesii Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  SBBG70532  Rosa bridgesii M. N. Ackley -Jun-1925 964 Placer Dutch Flat 1033 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
  CDA3955  Rosa eglanteria T. C. Fuller, H. K. Wagnon 1964-5-18 11986 Placer South of railroad tracks, east of Dutch Flat Road, Alta. 0 Comment
  RSA2854  Rosa woodsii Carl B. Wolf 1931-9-10 2421 Placer Moist hollow near R.R between Tahoe Tavern and head of Truckee River. 1921 Comment
  CAS-BOT-BC147021  Rosa woodsii subsp. ultramontana C. B. Wolf 1931-9-10 2421 Placer Near R.R. between Tahoe Tavern and head of Truckee River (gates) 1920 Comment
  SCFS11529142  Rosa woodsii var. ultramontana E. Krimmel, F. Felix 2012-9-13 Placer Cedar Creek, in woods below Cedar's meadow. Comment
  UCD17674  Rubus H. Olmo; T. S. Mallah 1953-4-8 53 86 Placer California. Placer County: 1.0 mile south of Loomis. Comment
  POM366398  Rubus discolor Wm. Martin 1971-9-10 20214 Placer 1 mile east of Weimar on Hwy 80 610 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
  CAS-BOT-BC147964  Rubus parviflorus A. M. Carpenter 1892-8-1 s.n. Placer Unspecified Comment
  CAS-BOT-BC147965  Rubus parviflorus Betty J. Jorgensen 1944-6-30 507 Placer Yuba River near Donner Summit Lodge Comment
  JEPS127541  Rubus parviflorus Steve Matson 1999-7-2 425 Placer nSNH: Tahoe north shore; Snow Creek watershed, Tahoe Vista/Kings Beach; west fork of Snow Creek above the spring. Comment
  SEINET4691695  Rubus parviflorus George K. Helmkamp, E. A. Helmkamp 2010-1 16787 Placer Northern Sierra Nevada Mountains: American Hill Road (Forest Route 13), 4.7 miles south of its junction with Foresthill road and just south of a creek crossing. 1552 Comment
  SEINET11910807  Rubus parviflorus J. H. Nishida 1985-1 788 Placer Homewood 1829 Comment
  UCD17695  Rubus ursinus H. Olmo; T. S. Mallah 1953-3-24 53 20 Placer California. Placer County: corner of Grass Valley Highway and Sawyer Court in Auburn. Comment
  RSA466037  Rumex acetosella L. S. Rose 1944-7-12 44087 Placer Chamber Lodge, Lake Tahoe. 1921 Comment
  UCD14635  Rumex acetosella Deanna Lynn Pfleger 1989-5-20 16 Placer Placer Co.; 30 miles from Auburn along Mosquito Ridge Road; 498 Comment
  UCR257627  Rumex acetosella George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-7-23 19524 Placer Northern Sierra Nevada Mountains, Sugar Bowl Road, 0.4 mile south of its junction with Donner Pass Road, just west of Lake Mary 2136 Comment
  CAS-BOT-BC422033  Rumex acetosella Geo. B. Grant 1906-7-15 6969 Placer Tahoe Tavern, Lake Tahoe Comment
  UC850576  Rumex salicifolius var. salicifolius A. A. Heller 1917-6-19 12773 Placer Emigrant Gap 1615 Comment
  CHSC79200  Rumex salicifolius var. triangulivalvis Beecher Crampton 1972-7-26 8847 Placer Carpenter Flat east of Emigrant Gap. 1615 Comment
  CAS-BOT-BC434299  Rumex triangulivalvis A. A. Heller 1917-6-19 12734 Placer Emigrant Gap 1615 Comment
  CAS-BOT-BC434300  Rumex triangulivalvis John Thomas Howell 1943-7-19 18589 Placer Summit Valley Comment
  JEPS103304  Sagina saginoides Lowell Ahart 2002-7-22 9884 Placer 50 yards NE of the small natural lake, on the E side of the paved road to Lake Valley Reservoir, ca 1/4 mile E of Yuba Gap and Highway 80. 1780 Comment
  UC847125  Salix A. A. Heller 1917-6-17 12720 Placer Yuba R. below Cisco; Yuba R. 1676 Comment
  CAS-BOT-BC103063  Salix bonplandiana Gordon H. True 1968-7-30 4454 Placer Just east of Rocklin, on Rocklin Rd. 76 Comment
  CAS-BOT-BC103557  Salix eastwoodiae W. R. Dudley 1900-6-14 5105 Placer Valley northeast of Lake Mary, near Summit Comment
  CHSC74263  Salix eastwoodiae Susi Urie; Eric Schroder 1998-9-11 98 -333 Placer Lake Tahoe Basin--National Forest. Antone Meadows; along Burton Creek, about 2.1 mi northwest of Lake Tahoe. 2072 Comment
  UC1729893  Salix eastwoodiae L. P. Janeway, Eric Schroder 1998-9-16 6324 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
  CAS-BOT-BC125293  Salix lasiandra var. lasiandra L. S. Smith 1931-5-22 3 Placer Tahoe National Forest, French Meadows 1828 Comment
  CAS-BOT-BC125298  Salix lasiandra var. lasiandra W. R. Dudley 1909-8-1 s.n. Placer Monte Vista, Dutch Flat Comment
  POM107147  Salix lasiolepis Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  RSA0115437  Salix lasiolepis George K. Helmkamp, Elizabeth Helmkamp 2014-2-22 22533 Placer Sierra Nevada Mountains Foothills: North Auburn, corner of Bell Road and Olympic Way, 0.7 mi. west of CA-49. 433 Comment
  CAS-BOT-BC128473  Salix lasiolepis var. lasiolepis W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat Comment
  CAS-BOT-BC124772  Salix lemmonii W. R. Dudley 1900-6-14 5067 Placer Between Donner Lake and 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-BC124781  Salix lemmonii W. R. Dudley 1900-6-14 5107 Placer Valley northwest of Lake Mary, near Summit Comment
  CHSC13658  Salix lemmonii E. L. Smith 1971-4-17 984 Placer At Yuba Gap ca. 7 km e of Emigrant Gap. 1770 Comment
  UC1134914  Salix lemmonii N. French 1934-6-19 420 Placer 1/4 mi. w. Devil's Peak; Tahoe Nat'l Forest, Colfax Quad. Comment
  CAS-BOT-BC125098  Salix ligulifolia Alice Eastwood 1912-6-15 386 Placer Deer Park, Lake Tahoe region Comment
  CAS-BOT-BC128233  Salix lucida W. R. Dudley 1900-6-15 5132 Placer Between Summit and Soda Springs Station, Nevada-Placer Co. line. Comment
  CAS-BOT-BC129522  Salix melanopsis L. S. Smith 1931-8-27 2628 Placer French Mdws., Tahoe N.F. - along middle fork American River below Chalk Bluff crossing. 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
  CAS-BOT-BC129080  Salix scouleriana W. R. Dudley 1900-6-1 5281 Placer Woods west of Independence Hotel Comment
  CAS-BOT-BC129084  Salix scouleriana Beecher Crampton 1975-10-14 9321 Placer Blue Canyon airport area 1524 Comment
  CAS-BOT-BC129085  Salix scouleriana Margaret Williams 1974-8-8 74 -P1-10 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  POM107215  Salix scouleriana Marcus E. Jones 1882-6-28 s.n. Placer Emigrant Gap. Comment
  UC1135081  Salix scouleriana B. Bolt 1934-7-22 157 Placer Chicken Hawk Camp Tahoe Nat'l Forest, Colfax Quadrangle, Chicken Hawk Camp Comment
  UCD22307  Salix scouleriana Rex Palmer 1979-5-26 N 22 Placer Headwaters basin area of the North Fork of the American River 1950 Comment
  SEINET9318890  Salvia sonomensis Unknown 2010-4-23 15926 Placer Sierra Nevada Mountains Foothills Comment
  RSA1844  Sambucus caerulea C. B. Wolf 1930-10-11 1729 Placer 4 miles west of Emigrant Gap 1524 Comment
  CAS-BOT-BC238834  Sambucus nigra subsp. caerulea Carl B. Wolf 1930-10-11 1729 Placer 4 miles west of Emigrant Gap 1524 Comment
  CAS-BOT-BC238835  Sambucus nigra subsp. caerulea Mary P. Wells 1980-9-11 s.n. Placer Forest west of Pioneer Way, Tahoe City 1981 Comment
  UC480752  Sambucus racemosa var. microbotrys W. C. Blasdale 1923-7-15 Placer Ellis Peak Lake Tahoe Region 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
  SD247498  Sanguisorba minor subsp. muricata George K. Helmkamp, Elizabeth Helmkamp 2013-6-11 20802 Placer Northern Sierra Nevada Mountains Foothills: Yankee Jim's Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5'Q) 768 Comment
  UCR240901  Sanguisorba minor subsp. muricata George K. Helmkamp, E. A. Helmkamp 2012-6-19 19214 Placer Northern Sierra Nevada Mountains Foothills, Foresthill Road, 2.6 miles east of its junction with Mosquito Ridge Road in Forest Hill 1052 Comment
  UC1562643  Sanicula bipinnatifida Barbara Ertter with David Thompson 1989-4-8 8164 Placer 2 mi from I-80 near entrance to Auburn State Recreation Area (Iowa Creek Road); Iowa Creek Road 518 Comment
  SEINET11160323  Sanicula tuberosa M. Demorest 1962-3-15 s.n. Placer Junction of North and Middle Forks American River, 4 miles from Auburn. 274 Comment
  CHSC9511  Sarcodes sanguinea J. F. Goodwin 1971-7-10 153 Placer 1 mi W of Lake Tahoe at end of Old County Road, 2.3 mi SW of Cornelian Bay. 1981 Comment
  CAS-BOT-BC466210  Sarcodes sanguinea C. F. Sonne 1893-6-1 s.n. Placer On Truckee River Comment
  RSA121491  Saxifraga bryophora N. H. French 1934-6-22 464 Placer Serena Lake. 2104 Comment
  UC115030  Saxifraga bryophora C. F. Sonne 1897-8-14 Placer above Coldstream; Sierra Nevada Mountains Comment
  JEPS127401  Scandix pecten-veneris Steve Matson 2006-4-23 1606 Placer Northern Sierra Nevada west slope; Iowa Hill Road near Colfax at crossing of North Fork American River. Comment
  SDSU2326  Scandix pecten-veneris D. R. Harvey 1960-5-29 Placer Near Forest Hill. Comment
Read comments
Jun 16 2009
  SEINET5337094  Scleranthus C. Aarstad, H. N. Mozingo 1979-4-1 s.n. Placer 1/2 mile east of junct. of old and new Auburn--forest hills road. 792 Comment
  CDA3394  Scleranthus annuus G. D. Barbe 1985-7-15 4239 Placer Meadow Vista Community Park, 10 miles east of Auburn. 0 Comment
  UC1563664  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
  UCR146679  Scribneria bolanderi Beecher Crampton 1954-5-14 1901 Placer Sacramento Valley, 2 miles northwest of Roseville; Diamond K Ranch 46 Comment
  JEPS111315  Sedum lanceolatum Steve Matson 2005-7-30 1425 Placer Squaw Valley ski area, about 1.6 km SSW of High Camp (top of tramway), north side of ridge high point facing large rocky pinnacle (south of Emigrant Pass) 39.1885 N, 120.2775 W; elevation 8,700 ft. 2651 Comment
  JEPS26922  Sedum obtusatum C. H. Uhl 1961-5-28 961 Placer crevices in granite ca 100 yds s of U.S. 40 at Donner Pass Summit (behind hiway maintenance shed, just sw of Nevada Co. line) 2164 Comment
  CAS-BOT-BC59068  Sedum spathulifolium Marcus E. Jones 1882-6-30 3345 Placer Emigrant Gap. Comment
  UCD41271  Sedum spathulifolium Ellen Dean; Art Shapiro, Adrienne Shapiro 2003-5-12 1709 Placer Dutch Flat area, north of Hwy 80 near Alta Exit. Along Drum Powerhouse Road, about 2.5 road miles northeast of intersection with Main St. 1066 Comment
  SD62150  Sedum spathulifolium Darley F. Howe 1965-5-21 Placer Canyon on south side of north fork of American River near Forest Hill. 455 Comment
  RSA684430  Selaginella hansenii Viola N. Poole 1932-05 323 Placer Auburn. 329 Comment
  UC942750  Selaginella hansenii Peter H. Raven and G. L. Stebbins Jr. 1952-4-20 4019 Placer above bridge on N. Fork American River on Rt. 49 N. Fork American River 365 Comment
  CAS-BOT-BC69719  Selaginella wallacei G. L. Stebbins 1970-7-12 7052 Placer Bear River canyon, 2 mi. n. of Alta. 1097 Comment
  UCD75753  Selaginella watsonii Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5220 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
  CAS-BOT-BC363695  Senecio hydrophilus Alice Eastwood No date on label 297 Placer Squaw Valley, Tahoe region Comment
  CAS-BOT-BC363908  Senecio integerrimus var. exaltatus Alice Eastwood 1912-6-15 394 Placer Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC363999  Senecio integerrimus var. major John Thomas Howell 1925-6-27 1192 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  CDA16999  Senecio integerrimus var. major G. F. Hrusa, M. I. Wibawa, J. Glazner 2002-5-22 16052 Placer Sierra Nevada; Hughes Mill (site) above Foresthill. 1066 Comment
  HSC35040  Senecio integerrimus var. major Thomas W. Nelson, James Nelson 1974-6-17 1364 Placer Beside Hwy. 80 at its intersection with Blue Canyon Rd., 9 mi. W of the Placer-Nevada County line 1646 Comment
  JEPS71796  Senecio integerrimus var. major Gladys L. Smith 1972-6-20 3258 Placer from Ward Peak Sherwood Forest 2590 Comment
  CAS-BOT-BC341225  Senecio scorzonella Belle R. Jackson 1932-6-1 s.n. Placer Yuba Pass Comment
  CAS-BOT-BC364389  Senecio triangularis A. A. Heller 1919-7-26 13313 Placer Summit meadows west of Donner Pass 2072 Comment
  UCD135801  Senecio triangularis L. M. Sparks 1912-8-1 56 Placer Lake Tahoe. 1920 Comment
  UCD44005  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1371 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44414  Senecio triangularis C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1780 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  RSA569048  Senecio triangularis B. C. Templeton 1931-7-5 s.n. Placer near Meek's Bay. 2280 Comment
  SEINET3154401  Sequoiadendron giganteum W. A. Dick, Gaby 1967-11-15 sn Placer on West slope of Sierra Nevada from Placer to Tulare 2438 Comment
  UCR259867  Setaria parviflora George K. Helmkamp, Elizabeth Helmkamp 2013-11-2 22470 Placer Sacramento Valley, West Wise Road just east of the junction with California Lane, north of Lincoln 56 Comment
  CAS-BOT-BC243630  Setaria pumila Peter H. Raven 1954-8-27 7954 Placer Roseville Comment
  UC889388  Sherardia arvensis C. L. Hitchcock 1940-5-7 6352 Placer ca 1 mi w Baxter Comment
  CAS-BOT-BC213132  Sidalcea Emily K. Mcpherson 1976-9-19 76283 Placer One mile east of Talbot Campground, open area near Middle Fork American River, Sierra Nevada 1767 Comment
  JEPS59420  Sidalcea glaucescens Ezra Brainerd and Viola B. Baird 1915-7-25 140 Placer above Deer Park Inn (Garden of the Gods); Sierra Nevada Mts., Garden of the Gods 2072 Comment
  SEINET3134727  Sidalcea glaucescens L. S. Rose 1938-9-14 38362 Placer South Fork of Yuba River, 3 mi. E of Cisco 1737 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
  UC112805  Sidalcea glaucescens Katharine Brandegee 1908-7-1 Placer Donner, Summit Station Donner; , Summit Station Comment
  UC128214  Sidalcea glaucescens Miss Harriet A. Walker 1908-7-25 1388 Placer Cisco 1810 Comment
  UCD116665  Sidalcea glaucescens Ted C. MacRae 1995-7-30 62 b Placer Tahoe National Forest, 9 miles south of Serene Lakes on Soda Springs Road. Comment
  UCD44489  Sidalcea glaucescens C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1855 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCR233458  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2011-8-26 18182 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
  JEPS67226  Sidalcea glaucescens L. S. Smith 1925-6-27 1658 Placer Ward Creek runs into Lake Tahoe 2 mi s of head Truckee River; Tahoe Nat'l Forest, Ward Creek 1920 Comment
  SDSU8178  Sidalcea glaucescens D. F. Howe 1965-5-21 Placer Canyon of south side of north fork of American River between Forest Hill and Yankee Jims. 914 Comment
  UCD13330  Sidalcea malviflora Kristy S. Howard 1989-6-3 220 Placer Placer CO., Highway 174. T15N, R9E Sect. 27, NW 1/4. Elevation 2000 ft. 609 Comment
  UCR250174  Sidalcea malviflora subsp. asprella George K. Helmkamp, Mary Alice Barnes 2013-5-3 20463 Placer Foothills, northern Sierra Nevada Mountains, SW edge of Foresthill, Mosquito Ridge Road, 0.2 mile south of Forest Hill Road 974 Comment
  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
  CHSC74233  Sidalcea oregana subsp. spicata Susi Urie 1998-9-4 98 -266 Placer Meadow complex on norht side of Ward Creek about 2.9 mi west of Lake Tahoe and Sunnyside. 2011 Comment
  UC871499  Sidalcea oregana subsp. spicata Lewis S. Rose 1937-7-29 37614 Placer Tahoe Vista 1905 Comment
  UCD43225  Sidalcea oregana subsp. spicata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-13 594 Placer Lake Tahoe Basin; Watson Creek. UTM's 10 748155E; 4346076N. 2243 Comment
  SBBG71658  Silene M. N. Ackley -Jun-1925 75 Placer Blue Cyn 1430 Comment
  POM148068  Silene californica J. B. Feudge 1927-7-18 1648 Placer Baxter s Camp. Emigrant gap. Comment
  UCD98569  Silene csereii Lester J. Berry 1969-5-15 s.n. Placer Foresthill. Charles Finning Property. Comment
  CAS-BOT-BC386979  Silene douglasii H. M. Hall 1910-7-4 8742 Placer Near Cisco 1890 Comment
  UC163966  Silene douglasii H. M. Hall 1910-7-4 8742 Placer near Cisco; near Cisco 1890 Comment
  CAS-BOT-BC136290  Silene douglasii Beecher Crampton 1964-7-21 7123 Placer 1 mile east Cisco Grove (old site), old segment US Hwy. 40. 1737 Comment
  POM89175  Silene douglasii var. douglasii Katherine Brandegee 1917-08 s.n. Placer Cisco Comment
  UCD150313  Silene douglasii var. douglasii James A. Neilson Jr. 1970-1 1678 Placer Tahoe Basin, Ward Creek, Plot E232, Sp. III. 2023 Comment
  UCD98598  Silene douglasii var. douglasii Beecher Crampton 1964-7-21 7123 Placer one mile east of Cisco Grove, old portion of US Hwy. 40. Comment
  SEINET5337179  Silene douglasii var. monantha H. M. Hall 1910-7-4 8742 Placer Near Cisco, Upper transition zone. 1890 Comment
  CAS-BOT-BC386895  Silene gallica John Thomas Howell; Gordon H. True 1971-5-26 47620 Placer northern limits of Lincoln 48 Comment
  SEINET5337189  Silene gallica D. H. Erskine 1941-4-28 17 Placer Roseville city limits. 76 Comment
  SD247390  Silene invisa George K. Helmkamp, E. A. Helmkamp 2012-6-19 19230 Placer Northern Sierra Nevada Mountains: Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road. 1671 Comment
  CAS-BOT-BC181345  Silene latifolia Margaret J. Williams; Dieter Schacht 1987-6-19 87- 20 -1 Placer Near Hwy 89, just west of Tahoe City 1905 Comment
  CAS-BOT-BC389371  Silene lemmonii Marcus E. Jones 1882-7-1 s.n. Placer Emigrant Gap Comment
  CDA11926  Silene lemmonii G. F. Hrusa, J. Dinsdale 1989-5-2 7065 Placer Sierra Nevada; Mosquito Ridge Rd, about 15 miles below Placer Redwood Grove. Comment
  POM100921  Silene lemmonii Marcus E. Jones 1882-6-29 s.n. Placer Emigrant Gap. Comment
  POM100975  Silene occidentalis Marcus E. Jones 1882-6-30 s.n. Placer Emigrant Gap. Comment
  SCFS1226  Silene occidentalis E. Krimmel 2013-1 Placer North Fork American River. 1/8-m. from Heath Falls Overlook in shade of oak. Comment
  POM260473  Sisyrinchium bellum C. L. Hitchcock 1940-5-7 6340 Placer 1 mile west of Baxter Comment
  JEPS59425  Sisyrinchium elmeri Ezra Brainerd and Viola B. Baird 1915-7-22 145 Placer bank of Truckee River; Sierra Nevada Mountains 1889 Comment
  SCFS1025  Sisyrinchium idahoense E. Krimmel 2014-7-5 Placer Meadow below the Cedars. Comment
  SACT002218  Sitanion hystrix D. Meyer 1983-6-5 Placer 982.98 Comment
  SACT002235  Sitanion hystrix Josephine Van Ess 1977-5-20 Placer Collected about 1.75 mile north of Hawk Logan Road on east-west portion of Garden Bar. Dry roadside bank. 85.4 Comment
  SACT002238  Sitanion hystrix Michael Baad 1976-8-12 Placer Southwest of Emigrant Peak along Shirley Lake Ski Lift. 2316.0 Comment
  UC570690  Solanum umbelliferum Herbert L. Mason 1926-5-28 3269 Placer 5 mi above Auburn Comment
  RSA338635  Solanum umbelliferum Margaret J. Williams 1985-7-6 85- 63 -4 Placer Pacific Crest Trail between old and new Donner Summits. Comment
  SCFS1169  Solidago E. Krimmel, Michael Hamilton 2013-8-1 Placer NFAm. Creekside at Chickering. Comment
  RSA122313  Solidago californica G. T. Nordstrom 1934-6-21 130 Placer 4/10 mile west by northwest of Mammoth Springs. 1707 Comment
  RSA122317  Solidago canadensis subsp. elongata H. S. Yates 1934-6-29 3900 Placer Near Tahoe City. 1921 Comment
  SEINET4560809  Solidago canadensis subsp. elongata George K. Helmkamp, E. A. Helmkamp 2010-1 17027 Placer Northern Sierra Nevada Mountains Foothills: along Forest Route 24 at Parker Flat and Beside Forbes Creek, 1.9 miles east (airline) of the Sugar Pine reservior dam 1180 Comment
  UCD43163  Solidago canadensis subsp. elongata C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-20 532 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD83589  Solidago elongata Albert Grigarick 2009-8-7 158 Placer Shirley Creek Trail, between Squaw Valley Resort and Shirley Lake. 1938 Comment
  CAS-BOT-BC157304  Sorbus californica A. A. Heller 1909-7-16 9835 Placer Summit 2133 Comment
  CAS-BOT-BC157305  Sorbus californica Alice Eastwood 1919-1-1 314 Placer Deer Park Comment
  UC861955  Sorbus californica Lewis S. Rose 1940-5-29 40421 Placer Cisco 1737 Comment
  SEINET7707311  Sorbus californica A. A. Heller 1909-7-16 9835 Placer Summit 2134 Comment
  UCR258183  Sorghum halepense George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20038 Placer Sierra Nevada Mountains Foothills, city of North Auburn, corner of Locksley Lane and CA-49 384 Comment
  CDA39020  Spartium junceum D. G. Kelch 2011-10-2 11 .812 Placer Gold Run rest stop. Comment
  UCD150464  Spergula arvensis James A. Neilson Jr. 1971-9-9 2599 Placer Tahoe Basin, Tahoe City, McBride's Nursery / Tahoe Tree Company. 1889 Comment
  UCR146869  Spergula arvensis Beecher Crampton 1952-3-8 9452 Placer Sacramento Valley, southwest of Lincoln along Fiddyment road 38 Comment
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Oct 9 2010
  SD237402  Spergula arvensis subsp. arvensis G. K. Helmkamp, E. A. Helmkamp 2009-3-11 14385 Placer Sacramento Valley: Ranch House Road, 0.2 mile south of Sheridan (Lincoln 7.5'Q) 36 Comment
  UCR111005  Spergularia rubra George K. Helmkamp, E. A. Helmkamp 1999-6-30 5111 Placer Northern Sierra Nevadas, Soda Springs Road 0.9 mi south of Donner Pass Road, approaching Ice Lakes. 2104 Comment
  UCD21630  Sphenosciadium capitellatum Rex Palmer Date Unknown N 895 Placer Headwaters basin area of the North Fork of the American River Comment
  SEINET3157626  Spiraea betulifolia G. B. Grant 1906-1 1239 Placer Lake Tahoe, Sierra Nevada Mts. 2438 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
  POM107629  Spiranthes porrifolia Marcus E. Jones 1882-7-8 s.n. Placer Auburn Comment
  SACT002304  Sporobolus cryptandrus D. Meyer 1984-7-9 Placer Exit from I80 park and ride lot at field across road. 103.0 Comment
  UCD93129  Sporobolus cryptandrus Beecher Crampton 1968-9-18 8384 Placer 1.5 miles E of Emigrant Gap on Interstate Hwy. 80W. 1676 Comment
  CAS-BOT-BC220973  Stachys Saichi Kawahara 1969-7-6 1441 Placer At the Mel Henderson Ranch on the east bank of Indian Creek 999 Comment
  JEPS127473  Stachys ajugoides Steve Matson 1998-7-15 373 Placer Tahoe North Shore; Snow Creek Watershed, Tahoe Vista/Kings Beach; west fork. Comment
  UC416739  Stachys ajugoides var. rigida Katharine Brandegee Aug. 1911 Placer Tahoe Tavern Comment
  UCR231860  Stachys ajugoides var. rigida George K. Helmkamp, E. A. Helmkamp 2010-8-11 16759 Placer Northern Sierra Nevada Mountains, Finning Mill Road, 2.3 miles north of Forest Hill Road at the crossing of McBride Creek 1082 Comment
  UCD43037  Stachys rigida subsp. rivularis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-18 406 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD44018  Stellaria littoralis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1384 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD22172  Stellaria longipes subsp. longipes Rex Palmer 1979-7-9 N 452 Placer Headwaters basin area of the North Fork of the American River Comment
  UCR237457  Stellaria media George K. Helmkamp, E. A. Helmkamp 2012-2-23 18579 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
  CAS-BOT-BC181460  Stellaria obtusa A. A. Heller 1919-7-25 13298 Placer About rocks near the Yuba River below Cisco. 1676 Comment
  RSA531313  Stenotus acaulis Walter Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4542 Placer Squaw Valley beyond upper cable car stn. on top of rocky ridge. Comment
  SACT002316  Stipa californica Michael Baad 1983-8-11 Placer Collected on trail from Alpine Meadowws to Five Lakes Basin. 1.5 miles west toward Whiskey Creek 2072.0 Comment
  SACT002320  Stipa californica D. Meyer 1984-9-23 Placer DRy rocky summit of north facing slope. 2315.0 Comment
  SACT002322  Stipa californica D. Meyer 1983-6-25 Placer 1418.0 Comment
  SACT002329  Stipa californica D. Meyer 1984-7-15 Placer Collected 2.2 miles from lodge. Opening in forest canopy. 1909.0 Comment
  SACT002354  Stipa lemmonii Michael Baad 1977-6-3 Placer Roadside serpentine. 0.5 mile west of station. 1164.0 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
  SACT002388  Stipa occidentalis Michael Baad 1976-7-17 Placer 1 mile west of Alpine Meadows Ski Area on trail to Five Lakes open brush slopes. 2072.0 Comment
  RSA0115162  Stipa occidentalis var. californica Lyman Benson 1947-8-12 12794 Placer Near Emigrant Gap. Mt. Range: Sierra Nevada. 1219 Comment
  UCR240887  Stipa pulchra George K. Helmkamp, E. A. Helmkamp 2012-3-31 18655 Placer Sacramento Valley, along CA-193, 0.1 mile west of its junction with Sierra College Blvd. 88 Comment
  CAS-BOT-BC87417  Streptanthus polygaloides C. L. Hitchcock 1940-5-15 6401 Placer 6 miles north of Colfax. Comment
  JEPS9070  Streptanthus polygaloides Rimo Bacigalupi with G. L. Stebbins, A. Hawkes, J. Hunsiker, D. Zohary, H. Stutz and F. Ehrendorfer 1952-7-20 3875 Placer slope just s Shirttail Creek (6 mi e of Iowa Hill); Tahoe National Forest 1115 Comment
  RSA27025  Streptanthus polygaloides C. L. Hitchcock 1940-5-15 6401 Placer 6 miles N of Colfax 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-BC87765  Streptanthus tortuosus Lewis S. Rose 1940-5-29 40415 Placer 3 miles northeast of Emigrant Gap. 1676 Comment
  CAS-BOT-BC87770  Streptanthus tortuosus J. F. Emmel 1969-7-18 189 Placer Ridge between Mount Judah and Sugar Bowl near Donner Pass. 2225 Comment
  CDA11986  Streptanthus tortuosus G. F. Hrusa 1995-5-2 12167 Placer Sierra Nevada; Approx. 5 km. beyond Mosquito Ridge Rd. crossing of North Fork of Middle Fork of the American River. Comment
  SCFS854  Streptanthus tortuosus E. Krimmel 2013-6-29 Placer North Fork American River. Painted Rock Trail, S. side near Top Meadow. Comment
  UC147610  Streptanthus tortuosus var. orbiculatus Harriet A. Walker 1908-6-26 1302 Placer Cisco 1810 Comment
  UCR193336  Streptanthus tortuosus var. orbiculatus George K. Helmkamp, E. A. Helmkamp 2007-5-30 12174 Placer Northern Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 10.7 miles east of its junction with Forest Hill Road in Foresthill 588 Comment
  SEINET6647402  Styrax officinalis L. Smith 1979-5-6 s.n. Placer Auburn, 347 Linden Ave., in front of house, hanging over wire fence 366 Comment
  CDA11991  Styrax officinalis var. redivivus G. F. Hrusa 1995-5-2 12172 Placer Sierra Nevada; below Mosquito Ridge Rd. approx. 1 km. east of crossing of North Fork of Middle Fork of the American River. Comment
  UC477579  Styrax officinalis var. redivivus L. S. Smith 1931-5-31 2540 Placer road to Forest Hill (North Fork of American River); North Fork of American River Comment
  POM128175  Styrax redivivus W. W. Mackie 1904-04 s.n. Placer Newcastle. Comment
  UCD119096  Styrax redivivus A. S. Crafts 1926-5-1 787 Placer American River Canyon. Comment
  UCD119102  Styrax redivivus Al Franklin 1987-5-1 87 -11 Placer 1.3 miles east of I-80 on Foresthill Road, just outside of Auburn. 426 Comment
  UCD15639  Styrax redivivus Rachelle Raymond 1989-5-20 802 Placer Forest Hill Rd. 701 Comment
  CAS-BOT-BC245834  Symphoricarpos John H. Thomas; Hazelle A. Thomas 1956-7-21 6190 Placer Vicinity of Donner Pass, about 80 miles northeast of Sacramento, Sierra Nevada 2377 Comment
  CAS-BOT-BC237001  Symphoricarpos mollis Marcus E. Jones 1882-6-27 3292 Placer Emigrant Gap Comment
  JEPS21741  Symphoricarpos mollis Marcus E. Jones, A. M. 1882-6-27 3292 Placer Emigrant Gap 1584 Comment
  SEINET8061724  Symphoricarpos mollis P. A. Lehenbauer 1932-9-11 s.n. Placer Lake Tahoe, Carnelian Bay. Comment
  CDA12387  Symphoricarpos rotundifolius var. rotundifolius G. F. Hrusa, A. Juncosa, J. Hunter 1991-7-15 8515 A Placer Lake Tahoe; Upper Ward Valley, 4 m SW Tahoe City. Comment
  CHSC67650  Symphoricarpos rotundifolius var. rotundifolius James D. Jokerst 1986-7-13 2735 Placer Trail from The Cedars, high Sierra Nevada SW of Donner Lake, just below the summit of Needle Peak. Comment
  UCD43888  Symphyotrichum bracteolatum C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-9 1254 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  CAS-BOT-BC97857  Symphyotrichum eatonii W. R. Dudley 1909-8-16 s.n. Placer Monte Vista, Dutch Flat Comment
  CAS-BOT-BC98477  Symphyotrichum spathulatum A. A. Heller 1917-8-13 12880 Placer Summit Valley 2118 Comment
  UC1119626  Symphyotrichum spathulatum B. Bolt 1934-8-22 188 Placer Grayhorse Flat Tahoe National Forest, Truckee Quad. 1981 Comment
  CAS-BOT-BC98924  Symphyotrichum spathulatum var. intermedium Elizabeth Parsons Hawver 1911-8-1 s.n. Placer Sunnyside - Lake Tahoe Regeion Comment
  CHSC73926  Symphyotrichum spathulatum var. spathulatum Susi Urie 1998-8-28 98 -163 Placer Middle of Page Meadows; about 2 mi west of Lake Tahoe and Sunnyside. 2115 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
  CHSC74202  Symphyotrichum spathulatum var. spathulatum Susi Urie; Eric Schroder 1998-9-8 98 -275 Placer Meadow complex on north side of Ward Creek about 3.1 mi west of Lake Tahoe and Sunnyside. 2017 Comment
  CAS-BOT-BC85267  Taxus brevifolia Alice M. King 1923-5-1 s.n. Placer Placerville Comment
  MACF019648  Taxus brevifolia F. A. MacFadden 1934-8-14 12872 Placer Canyon Creek- Dutch Hat, California Comment
  CAS-BOT-BC447428  Tellima grandiflora Marcus E. A M Jones 1982-7-1 2710 Placer Emigrant Gap Comment
  CAS-BOT-BC392400  Thalictrum fendleri Alice Eastwood 1909-1-1 58 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC392405  Thalictrum fendleri F. Almeda 1993-7-24 7274 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CAS-BOT-BC392404  Thalictrum fendleri Mary P. Wells 1980-9-12 s.n. Placer Alpine Meadows by Bear Creek across from stable 1950 Comment
  SEINET5338963  Thalictrum fendleri P. B. Kennedy, Samuel Bradford Doten 1901-8-9 422 Placer Talbots Home Camp, 7 mi from French Meadows Comment
  UCD96804  Thalictrum fendleri var. fendleri G. K. Helmkamp; E. A. Helmkamp 2007-7-27 12633 Placer Northern Sierra Nevada Mountains: Southeast end of Cisco Grove; along local road just before it passes under Interstate-80. 1744 Comment
  CAS-BOT-BC197409  Thinopyrum intermedium subsp. intermedium John Thomas Howell 1976-7-18 51934 Placer Carnelian Bay, Lake Tahoe 1905 Comment
  UCR208273  Thysanocarpus curvipes George K. Helmkamp, E. A. Helmkamp 2009-5-7 14639 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 13.6 miles east of its junction with Forest Hill Road in Foresthill 771 Comment
  CAS-BOT-BC67323  Thysanocarpus radians M. K. Curran 1884-1-1 s.n. Placer Roseville. Comment
  CHSC96505  Thysanocarpus radians Lowell Ahart; Brian Williams 2007-4-13 13671 Placer Waste area about 50 yards north of the Manzanita Cemetery, about 3 1/3 miles north of Lincoln. 37 Comment
  HSC3172  Toxicodendron diversilobum Thomas Morley 1946-5-30 594 Placer NE of the Masonic Cemetery, Dutch Flat. 1006 Comment
  UCD117029  Toxicodendron diversilobum Thomas Morley 1946-5-30 594 Placer Northeast of the Masonic Cemetery, Dutch Flat. 1005 Comment
  UCD22061  Toxicoscordion venenosum var. venenosum Rex Palmer 1979-6-19 N 228 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21793  Tragopogon dubius Beth Lowe Corbin 1982-8-13 348 Placer 1/4 mile W of The Cedars. 1737 Comment
  CAS-BOT-BC377060  Tragopogon dubius F. Almeda 1993-7-25 7287 Placer Soda Springs in the Sierra Nevada about 15 miles from Interstate Hwy #80 due SE of Donner Pass 1920 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
  UCR253575  Tragopogon porrifolius George K. Helmkamp, Amy Barnes 2014-4-23 22801 Placer Sierra Nevada Mountains Foothills, Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill 720 Comment
  UCD15611  Trientalis latifolia Lisa Montany 1985-5-18 29 Placer Mosquito Ridge Rd, 14.3 miles west of Forest Hill Rd. Comment
  SD237450  Trifolium campestre G. K. Helmkamp, E. A. Helmkamp 2009-5-7 14619 Placer Sierra Nevada Mountains Foothills: Oxbow Road, 2.0 miles south of its junction with Mosquito Rodge Road; north edge of Oxbow Reservoir (Michigan Bluff 7.5'Q) 402 Comment
  SEINET7072695  Trifolium ciliolatum 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
  JEPS111139  Trifolium ciliolatum Steve Matson 2005-4-17 1220 Placer Near Colfax, Stevens Trail to the North Fork of the American River 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
  JEPS127542  Trifolium cyathiferum Steve Matson 1998-6-6 225 Placer nSNH: Martis Valley, about 4 miles SE of Truckee. Martis Creek Wildlife Area, 50 m south of Hwy 267, under power lines, 100 m east of Martis Creek. Comment
  UCD75732  Trifolium cyathiferum Ellen Dean, M. Starbuck,; K. Mawdsley, G. Harrington, M. Bibbo, J. Poloske 2008-7-20 5194 Placer Donner State Park, newly acquired lands to the SW of Donner Lake, ridge between Southern Pacific RR tracks and railroad tunnel to the west of Lakeview Canyon, side of undeveloped road near hairpin turn. 2160 Comment
  UCR146850  Trifolium depauperatum Beecher Crampton 1966-4-14 7644 Placer Sacramento Valley, north of Lincoln, Gladding Clay Pit Road and Hwy 99 [Calif. Hwy 65] 53 Comment
  CHSC114150  Trifolium dubium G. K. Helmkamp; E. A. Helmkamp 2010-4-17 15884 Placer Sierra Nevada Mountain Foothills: Rattlesnake Bar Road, 1.9 miles southwest of its junction with CA-49 near Pilot Hill. 314 Comment
  RSA0042823  Trifolium dubium George K. Helmkamp, Mary Alice Barnes 2013-5-3 20475 Placer Mosquito Ridge Road, 1.1 miles south of Forest Hill Road 962 Comment
  CAS-BOT-BC257794  Trifolium glomeratum George K. Helmkamp; E. A. Helmkamp 2011-6-2 17457 Placer Northern Sierra Nevada Mountains Foothills: along CA-49 southeast of Auburn at a trail entrance to the Auburn State Recreation Area 354 Comment
  SEINET7413854  Trifolium gracilentum A. Allen 1950-4-29 15 Placer 2 miles east of Roseville on highway 40 Comment
  RSA637580  Trifolium hirtum Michael A. Vincent 1999-6-12 8634 Placer Above CA Rt. 49, 1.1 miles south of Lincoln Way in Auburn. Comment
  UCR173274  Trifolium hirtum George K. Helmkamp, Elizabeth Helmkamp 2006-5-13 10438 Placer Northern Sierra Nevada Foothills, c. 4 air mi. NE of Auburn, along Forest Hill Road, 1.8 mi. NE of its junction with Calif. Hwy 49 at the middle fork of the American River 370 Comment
  SEINET9260873  Trifolium incarnatum George K. Helmkamp, Amy Barnes 2014-1 22809 Placer Sierra Nevada Mountains Foothills: Spring Garden Road, at the north side of its junction with Foresthill Road, 8.4 km west of Foresthill (Colfax 7.5' Q) 719 Comment
  UCD111273  Trifolium longipes R. Tofsrud 1951-7-1 s.n. Placer Near Campton's store, Hwy. 40 (above Nayak). Comment
  UCD22002  Trifolium longipes Beth Lowe Corbin 1982-8-17 359 Placer 2 2/3 miles WSW of The Cedars. Small meadow in White Fir forest. Flowers white. Perennial. Mostly sun. N slope, 10% incline. Locally abundant. 1935 Comment
  UCD44671  Trifolium longipes C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-20 2037 Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  UC750575  Trifolium microcephalum Lewis S. Rose 1946-6-23 46190 Placer n Cisco (Rainbow) Comment
  UCD111456  Trifolium microcephalum R. Tofsrud 1951-7-11 s.n. Placer Cisco Grove. Comment
  UCR208575  Trifolium microcephalum George K. Helmkamp, E. A. Helmkamp 2009-5-7 14605 Placer Sierra Nevada Mountains Foothills, Mosquito Ridge Road, 4.4 miles east of its junction with Forest Hill Road in Foresthill 805 Comment
  SEINET7389529  Trifolium microcephalum A. Beninghoff 1930-4-20 1778 Placer 3 mi. n. Newcastle Comment
  POM20464  Trifolium monanthum subsp. parvum H. M. Hall 1910-7-11 8759 Placer Yuba River at Cisco Flats. 1740 Comment
  JEPS59434  Trifolium monanthum var. monanthum Ezra Brainerd and Viola B. Baird 1915-7-25 154 Placer above Inn (Deer Park); Sierra Nevada Mtns 2133 Comment
  SEINET9262032  Trifolium pratense George K. Helmkamp, Elizabeth Helmkamp 2013-1 Placer Northern Sierra Nevada Mountains Foothills; Yankee Jims Road, 3.6 miles northwest of its junction with Forest Hill Road (Foresthill 7.5 Q) 768 Comment
  CDA4321  Trifolium pratense Hanley 1956-6-2 Placer Placerville/Lincoln 0 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
  UC147859  Trifolium willdenovii Chesnut and Drew 1890-8-8 Placer Cascade Lake Tahoe Comment
  JEPS127437  Trifolium wormskioldii Steve Matson 2003-6-29 817 Placer nSNH; Martis Valley; about 4 miles SE of Truckee; Martis Creek Wildlife Area; north of Highway 267. Comment
  SEINET7067117  Trifolium wormskioldii A. G. Vestal 1947-4-29 s.n. Placer About 3.3 miles north of Auburn on Route 49. Coordinate datum: NAD27. Comment
  UC498166  Trifolium wormskioldii Katharine Brandegee July 1911 Placer Tahoe Tavern Comment
  UC844512  Trillium albidum C. L. Hitchcock 1940-5-7 6306 Placer ca. 1 mi. w. Baxter Comment
  RSA0035742  Triphysaria eriantha George K. Helmkamp 2013-3-1 20152 Placer Ranch House Road, 0.6 mile southeast of Riosa Road in Sheridan 37 Comment
  SEINET13750242  Triphysaria eriantha P. A. Lehenbauer 1937-4-11 s. n. Placer Auburn Comment
  HSC82230  Triphysaria eriantha subsp. eriantha Thomas W. Nelson 1979-4-10 4590 Placer Along W side of Sierra College Blvd. between I-80 and Douglas Blvd. Comment
  JEPS10418  Triphysaria eriantha subsp. eriantha M. E. P. Ames 1878-1 Placer Auburn Comment
  UCR198418  Triphysaria pusilla George K. Helmkamp, E. A. Helmkamp 2008-4-17 13286 Placer Sacramento Valley, Ranch House Road, 0.2 mile southeast of Sheridan 37 Comment
  UC1133279  Trisetum projectum B. Bolt 1934-7-10 Placer 1 mi nw mouth of Little Granite; Colfax Quadrangle Comment
  UCD94007  Trisetum projectum Beecher Crampton 1964-7-21 7115 Placer Placer County, 1/2 mile W.N.W. of Cisco Grove, US Hwy. 40. 1706 Comment
  SACT002459  Trisetum spicatum D. Meyer 1984-8-4 Placer 9.6 km north of Hell Hole overlooking French Meadows 1879.0 Comment
  SACT002450  Trisetum spicatum var. projectum Michael Baad 1976-7-22 Placer Northwest face of Lyon Peak to crest. 10 miles southwest of Soda Springs. 2377.0 Comment
  POM109813  Triteleia bridgesii Marcus E. Jones 1882-6-30 3514 Placer Emigrant Gap. Comment
  JEPS64218  Triteleia hyacinthina W. L. Jepson 1918-7-30 7733 Placer Tahoe Lake Tahoe, Tahoe 1920 Comment
  RSA378026  Triteleia hyacinthina Carl B. Wolf 1937-5-12 8610 Placer Sacramento Valley, 1 mi N of Lincoln. 46 Comment
  SD243046  Triteleia hyacinthina George K. Helmkamp, E. A. Helmkamp 2011-4-10 17153 Placer Sacramento Valley: along Riosa Road at the east edge of the village of Sheridan. 41 Comment
  UCD139301  Triteleia hyacinthina L. M. Sparks 1912-8-1 48 Placer Lake Tahoe. 1920 Comment
  UCD158891  Triteleia hyacinthina C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-21 s.n. Placer Lake Tahoe Basin; Lake Forest. UTM's 10 748735E; 4341413N 1914 Comment
  CAS-BOT-BC522020  Triteleia hyacinthina Marcus E. Jones 1882-6-30 3513 Placer Emigrant Gap Comment
  SEINET8506408  Triteleia ixioides A. Beninghoff 1930-4-19 2031 Placer Gold Hill. Comment
  UC147621  Triteleia ixioides subsp. anilina Harriet A. Walker 1908-6-24 1274 Placer Blue Canyon 1432 Comment
  SEINET10534158  Triteleia ixioides subsp. anilina A. Arthur Heller 1917-6-18 Heller 12726 Placer Yuba Pass in granite, 6000 feet, Pinus jeffreyi the prevalent tree, Ceanothus cordulatus and Cerasus common. Comment
  SD247276  Triteleia ixioides subsp. scabra George K. Helmkamp, Elizabeth Helmkamp 2012-6-19 19236 Placer Northern Sierra Nevada Moutains: Foresthill Road, 6.9 miles east of its junction with Devil's Thumb Road (Duncan Peak 7.5'Q) 1972 Comment
  UCD139345  Triteleia ixioides subsp. scabra M. H. Mills 1996-4-12 135 Placer near 5830 Walden Lane, Loomis. 180 Comment
  CAS-BOT-BC525734  Triteleia ixioides subsp. scabra Elmer I. Applegate 1928-4-22 5366 Placer Near Loomis Comment
  CAS-BOT-BC525735  Triteleia ixioides subsp. scabra Saichi Kawahara 1969-5-24 859 Placer Mel Henderson Ranch, Indian Creek 1005 Comment
  SEINET10533654  Triteleia laxa Charles L. Hitchcock 1940-5-15 Hitchcock 6402 Placer Dry grassy hillside, 6 miles north of Colfax, 2500 feet. Comment
  SEINET8506480  Triteleia laxa A. Beninghoff 1930-4-19 2041 Placer Gold Hill. Comment
  SEINET176958 Image available Triteleia lilacina Marcus E. Jones 1882-6-30 3513 Placer Emigrant Gap Comment
  UCD22213  Triticum aestivum Beth Lowe Corbin 1982-8-17 353 Placer 2.5 miles WSW of The Cedars. NW facing slope, 25% incline. Locally common. Full sun. Along logging road in white fir forest, apparently sown for erosion control. Culm and foliage green. 1920 Comment
  JEPS87971  Tropidocarpum gracile Barbara Ertter with Niall McCarten and Tom Fraser 1991-3-29 9718 Placer 2 to 3 mi. s. Lincoln 45 Comment
  UCR198119  Tunica prolifera K. A. Bear 1978-5-13 49 Placer 3.7 mi northeast of the junction of Hwy 49 and Forest Hill Road, on Forest Hill Road 474 Comment
  CAS-BOT-BC73902  Turritis glabra Miss Francis D. Patterson 1921-4-1 s.n. Placer Dutch Flat. Comment
  CAS-BOT-BC91055  Umbellularia californica C. Hart Merriam 1911-11-5 s.n. Placer West slope Sierra Nevada. Near Alta Station. SPRR [Southern Pacific Railroad]. 1066 Comment
  SEINET5339124  Umbellularia californica P. L. Comanor, B. Clark; B. O'Malia 1969-5-1 s.n. Placer Colfax area, 1.85 miles from end of railroad bridge on Calif. 194. Winding road, plot located on the right, past parking area, down path approx. 60 meters. Comment
  UCD43136  Urtica dioica subsp. gracilis C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-19 504 Placer Lake Tahoe Basin; Blackwood Canyon. UTM's 10 743067E, 4332664N. 1938 Comment
  UCD21629  Valeriana Rex Palmer 1979-6-20 N 303 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD21914  Verbascum thapsus Beth Lowe Corbin 1982-8-19 391 Placer 1 mile SSW of The Cedars.Skid trail in logged White Fir forest. 1813 Comment
  CAS-BOT-BC219588  Verbena Saichi Kawahara 1969-7-6 1427 Placer Mel Henderson Ranch, on the east bank of Indian Creek 987 Comment
  CHSC81826  Verbena lasiostachys var. lasiostachys Lowell Ahart 2001-10-10 9358 Placer French Meadows Reservoir, about 1/4 mile northeast of the boat or trail access area on the northwest side of the reservoir, about 3/4 mile southwest of the bridge across the Middle Fork of the American River, about 1 3/4 miles southwest of Ahart Camp, about 22 miles (air) northeast of Forest Hill. 1591 Comment
  SEINET7367338  Vicia americana H. N. Mozingo 75 -5 Placer 2 miles east of Auburn, middle fork of American River Comment
  SD243147  Vicia americana subsp. americana George K. Helmkamp, E. A. Helmkamp 2010-7-28 16637 Placer Northern Sierra Nevada Mountains Foothills: Forest Route 10 (Sugar Pine Road), 0.8 mile north of its junction with Forest Hill Road, 8.2 miles NE (34a^z) of Foresthill (Michigan Bluff 7.5'Q) 1310 Comment
  SEINET4691719  Vicia americana subsp. americana George K. Helmkamp, E. A. Helmkamp 2010-1 16637 Placer Northern Sierra Nevada Mountains Foothills: Forest Route 10 (Sugar Pine R.), 0.8 mile north of its junction with Forest Hill Road, 8,2 miles NE (34 degrees) of Foresthill. 1311 Comment
  UCD108719  Vicia americana subsp. americana Earl B. Ingrim 1933-5-10 s.n. Placer Near Auburn. Comment
  UC16986  Vicia americana var. americana Mrs. M. M. Hardy 1893-1 Placer Comment
  UCD164647  Vicia sativa Brandi Sorensen 1995-5-17 20 Placer .73 kilometers northwest of Colfax. 671 Comment
  UCR222542  Vicia sativa subsp. sativa George K. Helmkamp, E. A. Helmkamp 2010-4-17 15887 Placer Sierra Nevada Mountains Foothills, Rattlesnake Bar Road, 4.2 miles southwest of its junction with CA-49 near Pilot Hill 360 Comment
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Apr 25 2011
  CAS-BOT-BC516753  Vicia villosa subsp. villosa George K. Helmkamp; Amy Barnes 2013-3-28 20296 Placer Eastern Sacramento Valley: NW side of jct of Riosa Rd and Andressen Rd, NE of Sheridan 36 Comment
  UCR238584  Vicia villosa subsp. villosa George K. Helmkamp, E. A. Helmkamp 2012-3-31 18667 Placer Northern Sierra Nevada Mountains Foothills, Old Foresthill Road, 0.7 mile northeast of its junction with CA-49 and the American River Crossing 258 Comment
  UCR249535  Vicia villosa subsp. villosa George K. Helmkamp, Amy Barnes 2013-3-28 20296 Placer Eastern Sacramento Valley, northwest side of junction of Riosa Road and Andressen Road, northeast of Sheridan 36 Comment
  UCD42803  Viola C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-23 169 Placer Lake Tahoe Basin; Barker Pass. UTM's 10 738571E, 4329743N. 2316 Comment
  UC1763471  Viola adunca Milo S. Baker 1938-9-23 Placer Squaw Creek Valley, Truckee River Comment
  UC187991  Viola bakeri C. F. Sonne 1896-6-28 Placer Squaw Valley Comment
  UC838140  Viola bakeri A. A. Heller 1917-6-17 12704 Placer below Cisco (along the Yuba River); Yuba River 1676 Comment
  UCD21677  Viola glabella Beth Lowe Corbin 1982-8-18 374 Placer 1 1/3 mile SW of The Cedars. 1859 Comment
  POM85042  Viola lobata Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  SEINET188379 Image available Viola lobata C. L. Hitchcock 1940-5-7 6332 Placer Ca. 1 mile west of Baxter Comment
  UCD111045  Viola lobata K. O'Keefe 1995-6-4 s.n. Placer Along Forest Hill Road, 4 miles E of Forest Hill (town). Western Sierra foothills. 900 Comment
  UCR240722  Viola lobata George K. Helmkamp, E. A. Helmkamp 2012-6-19 19225 Placer Northern Sierra Nevada Mountains, Foresthill Road, 1.7 miles east of its junction with Devil's Thumb Road 1671 Comment
  CAS-BOT-BC537091  Viola lobata Clare B. Hardham 1961-6-14 7361 Placer Sierra Nevada Mountains: Baxter, Rte 40 Comment
  UC147634  Viola lobata subsp. lobata Harriet A. Walker 1908-6-23 1212 Placer Blue Canyon 1432 Comment
  UC1761959  Viola lobata subsp. lobata H. K. Wagnon 1957-5-5 Placer about 2 mi E of Big Oak Flat (on road to Big Tree Brove) Comment
  UC581497  Viola lobata subsp. lobata H. L. Mason 1926-5-29 3290 Placer burned area 2 mi w of Emmigrant Gap Comment
  JEPS72655  Viola macloskeyi Gladys L. Smith 1972-6-16 3279 Placer lower section of meadow across from Alpine Meadows Lodge 2072 Comment
  SCFS1198  Viola purpurea E. Krimmel 2014-4-21 Placer Point Mariah. Comment
  UCD21625  Viola sheltonii Rex Palmer 1979-5-26 N 24 Placer Headwaters basin area of the North Fork of the American River. Comment
  UCR235388  Viola sheltonii George K. Helmkamp, E. A. Helmkamp 2012-5-11 18950 Placer Northern Sierra Nevada Mountains Foothills, Finning Mill Road, 1.2 miles north of its junction with Forest Hill Road 1104 Comment
  UCD17126  Vitis californica H. Olmo 1934-10-27 s.n. Placer 0.5 miles S of Colfax. Comment
  UCD36146  Vulpia bromoides Beecher Crampton 1953-2-11 973 Placer Placer County, 2 miles north of Lincoln, on road to Sunnybrook Farm Hereford Ranch. Comment
  POM111884  Vulpia microstachys Marcus E. Jones 1882-6-27 s.n. Placer Emigrant Gap. Comment
  CAS-BOT-BC184014  Vulpia microstachys var. microstachys Saichi Kawahara 1969-5-25 886 Placer North of old cabin, Mel Henderson Ranch, Indian Creek 999 Comment
  CAS-BOT-BC184015  Vulpia microstachys var. microstachys A. A. Beetle 1941-5-26 2713 Placer Near Cisco 914 Comment
  CDA19557  Vulpia microstachys var. pauciflora M. I. Wibawa, G. F. Hrusa , J. Glazner 2002-5-22 217 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
  SACT002567  Vulpia myuros var. hirsuta Michael Baad 1977-6-3 Placer 1.2 miles west of Big Reservoir Camp 1219.2 Comment
  JEPS45882  Vulpia myuros var. myuros L. S. Smith 1925-4-29 1564 Placer Bloomfield ridge; Tahoe National Forest 975 Comment
  SACT002583  Vulpia myuros var. myuros D. Meyer 1983-5-7 Placer Comment
  RSA694838  Woodwardia fimbriata May N. Ackley 1925-06 126 Placer Gold Run 984 Comment
  SEINET7096680  Wyethia angustifolia A. G. Vestal 1947-4-28 s.n. Placer Ca. 14 miles southeast of Auburn off present day I80. NAD27, 38.7624? deg. , -121.2577? deg. (converted to WGS84) Comment
  CAS-BOT-BC383533  Wyethia mollis Alice Eastwood 1909-1-1 175 Placer Lake Tahoe Region. Sunnyside Comment
  CAS-BOT-BC383536  Wyethia mollis F. Almeda 1993-7-24 7281 Placer About 15 miles SE of Interstate Hwy #80 at Soda Springs on the trail to Upper Sheep Valley 2134 Comment
  CAS-BOT-BC383538  Wyethia mollis Marcus E. Jones 1930-7-10 25092 Placer Lake Tahoe Comment
  OBI15337  Wyethia mollis Robert F. Hoover 1967-9-5 10838 Placer Carnelian Bay, Lake Tahoe Comment
  RSA531317  Wyethia mollis Walter Wisura, Tom Hayduk, Q. Junzhuan 1991-8-22 4538 Placer Squaw Valley beyond upper cable car stn. on gentle SE facing slope. Comment
  SD58227  Wyethia mollis W. L. Jepson 1918-7-30 7721 Placer Tahoe City, Lake Tahoe 1920 Comment
  UCD21796  Wyethia mollis Rex Palmer 1979-6-9 N 129 Placer Headwaters basin area of the North Fork of the American River. Mt. Lincoln. Comment
  UCR207102  Wyethia mollis George K. Helmkamp, E. A. Helmkamp 2009-7-16 15238 Placer Sierra Nevada Mountains, Robinson Flat, a camping and day-use area at the junction of Forest Hill and Soda Springs Roads 2107 Comment
  RSA122390  Wyethia mollis G. T. Nordstrom 1934-6-21 136 Placer 0.5 mile NE of Mammoth Spring. 1738 Comment
  SEINET11807137  Wyethia mollis J. H. Nishida 1985-1 774 Placer Homewood 1829 Comment
  UCR257638  Xanthium strumarium George K. Helmkamp, Elizabeth Helmkamp 2012-10-13 20018 Placer Sacramento Valley, Granite Bay, Folsom Lake; Park Road 1.8 miles north of the east end of Douglas Blvd. 146 Comment
  CDA15950  Zigadenus venenosus var. venenosus G. F. Hrusa, J. Glazner 1999-7-17 15134 Placer Martis Valley; Martis Valley, off Hwy 267, S of Truckee. 1889 Comment



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