Search Results — 2000 specimen records retrieved (1528 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  OBI7568  Abies magnifica H. E. McMinn 1932-8-10 2960 Amador Granite lake Comment
  UCD116964  Acer glabrum T. I. Storer 1925-7-18 560 Amador Silver Lake. Comment
  CAS-BOT-BC331649  Acer macrophyllum Carl B. Wolf 1933-5-24 4924 Amador West slope Sierra Nevada, 4.8 mi above Pine Grove on Carson Pass Hwy 853 Comment
  UCD117037  Acer macrophyllum J. W. Radin 1968-4-28 40 Amador State Highway 88, 12 miles east of Jackson. 670 Comment
  UCD128309  Achillea millefolium G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10361 Amador Northern Sierra Nevada Foothills: Near Enterprise, around 0.4 mile east of CA Highway 88 on an unnamed dirt road (probably Bell Road). 92 Comment
  UCD128312  Achillea millefolium G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12741 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail. 2172 Comment
  UCR261996  Achillea millefolium George K. Helmkamp, Amy Barnes 2014-10-10 23143 Amador Northern Sierra Nevada Mountains, Plasse Road at the south end of Silver Lake and 0.1 mile north of Plasse's Resort 2215 Comment
  CAS-BOT-BC21707  Achillea millefolium Geo. Hansen 1895-8-1 1264 Amador West Point Bridge 609 Comment
  CAS-BOT-BC248278  Achillea millefolium Beecher Crampton 1959-5-18 5215 Amador 5.1 miles south of Latrobe Comment
  SEINET7042528  Achillea millefolium A. G. Vestal 1963-5-28 s.n. Amador Shoulder along Route 88. 2.3 miles east of Route 49. Mokelumne Hill quadrangle UTM Zone 10, 698724mE, 4248383mN. Comment
  CDA28111  Achnatherum occidentale subsp. californicum H. D. Bowers 1964-7-1 s.n. Amador Sierra Nevada; Hwy 88 to Carson Pass between Cook s Station and Tragedy Springs. Comment
  RSA268997  Achnatherum occidentale subsp. occidentale J. R. Reeder, C. G. Reeder 1972-7-21 5799 Amador Vicinity of Silver Lake. 2256 Comment
  CAS-BOT-BC30412  Achyrachaena mollis Geo. Hansen 1893-5-1 153 Amador Sutter Ridge 457 Comment
  UCD103833  Acmispon americanus var. americanus G. K. Helmkamp; E. A. Helmkamp 2007-8-26 12810 Amador Northern Sierra Nevada Mountains. Along Hwy CA-49 at mile-20, 2.1 miles north of Plymouth; beside Blue Indian Creek. 299 Comment
  CAS-BOT-BC228612  Acmispon brachycarpus George K. Helmkamp; E. A. Helmkamp 2011-6-7 17480 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 7.6 rd. miles northeast (via Pine Gulch & Gopher Flat rds) of junction of Sutter Creek Rd. and Pine Gulch Rd. 712 Comment
  SEINET957913  Acmispon micranthus P. C. Hutchison 1962-1 2383 Amador Between Sutter Creek and Daffodil Hill, along Gopher Gulch road, near Rancheria Creek. 671 Comment
  SD236284  Acmispon nevadensis G. K. Helmkamp 2008-6-17 13678 Amador Northern Sierra Nevada Mountains: Bear River Reservoir Road, 0.1 mile south of its junction with CA-88. 1990 Comment
  SD237429  Acmispon nevadensis var. nevadensis G. K. Helmkamp, E. A. Helmkamp 2009-8-6 15403 A Amador Sierra Nevada Mountains: Panther Creek Road, 0.4 mile south of its junction with CA-88; jct. is 4.0 miles NE of Cook's Station. 1590 Comment
  UCD104351  Acmispon parviflorus Terri Williamson 1990-4-28 27 Amador 2 mi. S. of Ione Hwy. 124. 91 Comment
  CAS-BOT-BC391356  Aconitum columbianum subsp. columbianum Gwendolan Newell 1929-8-23 s.n. Amador Hidden Lake, Silver Lake Comment
  CAS-BOT-BC249069  Aconogonon phytolaccifolium George K. Helmkamp; E. A. Helmkamp 2012-7-14 19418 Amador Northern Sierra Nevada Mountains: Tragedy Spring, near Carson Pass Hwy, along Tragedy Spring Road 0.3 mile east of its junction with CA-88 2421 Comment
  CAS-BOT-BC418766  Aconogonon phytolaccifolium Geo. Hansen 1892-8-1 314 Amador Silver Lake 2438 Comment
  CAS-BOT-BC133148  Adenostoma fasciculatum Geo. Hansen 1892-1-1 s.n. Amador [Dry Town] Drytown 182 Comment
  SEINET13276821 Image available Adenostoma fasciculatum George K. Helmkamp, Mary Alice Barnes 2013-1 20614 Amador Northern Sierra Nevada Mountains Foothills: Stony Creek Road, 6.8 miles southwest of Jackson, 0.57 mi. NE (20 deg. ) of Chrome Mountain (Jackson 7.5' Q.) 302 Comment
  UC1614130  Adenostoma fasciculatum Charles M. Belshaw 1935-5-30 868 Amador vicinity of Jackson (w slope of Sierra Nevada Foothills); Sierra Nevada Foothills Comment
  UCD34010  Adenostoma fasciculatum Beecher Crampton 1975-8-27 9261 Amador 1.5 miles S of Ione. Comment
  UCR230133  Adenostoma fasciculatum George K. Helmkamp, E. A. Helmkamp 2011-5-19 17293 Amador Lower Sierra Nevada Foothills, NW of Pardee Reservoir, 0.1 mile east of Rock Creek Road on a gravel spur leading to houses, 4.65 mi. SW (220 deg. ) of Jackson 280 Comment
  UC42034  Adiantum jordanii Geo. Hansen Amador Jackson Comment
  CAS-BOT-BC202587  Aesculus californica C. A. G. 1903-6-1 s.n. Amador Plymouth Comment
  SEINET1908058  Aesculus californica Carl B. Wolf 1933-1 5153 Amador W. slope Sierra Nevada. 2 1/2 mi. W of Pine Grove on road to Sutter Creek 579 Comment
  UC18189  Aesculus californica Geo. Hansen 1892-1 Amador Comment
  UCSB13204  Aesculus californica Breedlove, Dennis 1962-6-14 Amador 3.8 miles south of Jackson on State Highway 8-49; Sierra Nevada 426 Comment
  SEINET7062948  Agoseris grandiflora A. G. Vestal 1947-6-5 s.n. Amador About 32 miles north of West Point. UTM Zone 10, 714227mE, 4255444mN. (WGS84/NAD83). 626 Comment
  POM32943  Agoseris grandiflora Geo. Hansen 1895-6-2 403 Amador Irishtown 457 Comment
  CAS-BOT-BC15474  Agoseris grandiflora var. grandiflora C. A. Gross 1903-6-6 s.n. Amador Near Plymouth Comment
  CAS-BOT-BC15475  Agoseris grandiflora var. grandiflora Geo. Hansen 1892-7-1 403 Amador Agrc. Station 609 Comment
  SEINET7063166  Agoseris heterophylla A. G. Vestal 1963-4-9 s.n. Amador Serpentine on Ione-Plymouth Road [Route 124] about 1.1 miles south of its end at Route 16 [Waits Station}. UTM Zone 10, 683322mE, 4256071mN. (WGS84/NAD83). 198 Comment
  SEINET7073059  Agoseris heterophylla A. G. Vestal 1963-4-9 s.n. Amador Preston Reservoir Road above Sutter Creek and Ione. UTM Zone 10, 680944mE, 4248282mN. Coordinate datum: NAD27. Comment
  UCR197810  Agoseris heterophylla George K. Helmkamp, E. A. Helmkamp 2008-6-9 13619 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.1 mile south of its junction with CA-88, jct. is 4.0 miles east of Cook's Station 1652 Comment
  RSA407615  Agoseris heterophylla D. W. Taylor 1987-4-30 8941 Amador Along hwy 88 at Ham's Station. Comment
  UC71929  Agoseris heterophylla var. heterophylla Geo. Hansen 1892-1 406 Amador Comment
  CAS-BOT-BC13340  Agoseris retrorsa Ann Wood 1918-5-10 s.n. Amador 20 mi above Sutter Creek Comment
  UC36841  Agrostis alba Geo. Hansen 1896-7-13 1846 Amador meadow Sequoia Gigantea Region, Pioneer 1066 Comment
  SEINET1910263  Agrostis avenacea Barbara Ertter, Fosiee Tahbaz 1990-1 9684 -a Amador Camanche Reservoir NE of Stockton, North Shore public access 61 Comment
  UCD51805  Agrostis avenacea Beecher Crampton 1957-5-28 4082 Amador 2 miles south of Ione. Comment
  SEINET3916101  Agrostis diegoensis Beecher Crampton 1957-5-28 4076 Amador Amador County, 2 miles south of lone, along new highway 88.; 0 Comment
  UCD38700  Agrostis diegoensis Beecher Crampton 1957-5-28 4072 Amador 2 miles south of Ione, along new section Hwy 88. Comment
  UCD38701  Agrostis diegoensis Beecher Crampton 1957-5-28 4073 Amador 2 miles south of Ione, along new section Hwy 88. Comment
  CHSC47598  Agrostis elliottiana John Thomas Howell 1954-5-18 29801 Amador Sierra Nevada. 2 miles nne of Buena Vista. 91 Comment
  CAS-BOT-BC127360  Agrostis exarata Geo. Hansen 1893-5-1 611 Amador Sequoia Region. Agricultural Station. 609 Comment
  CAS-BOT-BC127362  Agrostis exarata Geo. Hansen 1893-4-1 613 Amador Sequoia Region. New York Falls. 609 Comment
  SEINET9258901  Agrostis exarata George K. Helmkamp, Elizabeth Helmkamp 2013-1 20981 Amador Northern Sierra Nevada Mountains: Bear River Road at the south end of the dam for Lower Bear River Reservoi 1783 Comment
  UC36977  Agrostis exarata Geo. Hansen 1892-1 612 Amador Agric. Exp. Sta. 609 Comment
  SEINET10509884  Agrostis gigantea George Hansen 1893-1 Hansen 604 Amador Pioneer. 1067 Comment
  SEINET9259440  Agrostis idahoensis George K. Helmkamp, Elizabeth Helmkamp 2013-1 20987 Amador Northern Sierra Nevada Mountains: Bear River ROad at the south end of the dam for Lower Bera River Reservoir 1783 Comment
  UCD148289  Agrostis idahoensis G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-8-10 3381 Amador south base of Peddler Hill, Highway 88 at junction with road to Dufrene. 2084 Comment
  UCR219059  Agrostis idahoensis George K. Helmkamp, E. A. Helmkamp 2009-9-15 15615 Amador Northern Sierra Nevada Mountains, south side of Bear River Reservoir, 0.1 mile east of the dam 1774 Comment
  UCR261995  Agrostis idahoensis George K. Helmkamp, Amy Barnes 2014-10-10 23145 Amador Northern Sierra Nevada Mountains, Plasse Road at the south end of Silver Lake and 0.1 mile north of Plasse's Resort 2215 Comment
  CAS-BOT-BC138877  Agrostis microphylla John Thomas Howell 1954-5-18 29802 Amador Sierra Nevada. 2 miles north northeast of Buena Vista. 91 Comment
  UCD37121  Agrostis microphylla Beecher Crampton 1957-5-28 4055 Amador Amador County, 3.5 miles west of Drytown, 0.25 mile east of Willow Springs School, along State Highway 16. Comment
  UCD53034  Agrostis microphylla Beecher Crampton 1973-10-23 9029 Amador 3 miles west of Plymouth. Comment
  UCD53039  Agrostis microphylla Beecher Crampton 1957-5-28 4055 Amador 1/4 mile east of Willow Springs School, along State Hwy. 16, 3.5 miles west of Drytown. Comment
  UC36901  Agrostis pallens Geo. Hansen 1896-7-7 1818 Amador dry bank Sequoia Gigantea Region, Pine Grove 701 Comment
  UCD53109  Agrostis pallens Charles Carlson 1957-5-8 s.n. Amador adjacent to Gladding McBean Plant, 2 miles south of Ione. Comment
  UCD53203  Agrostis pallens Geo. Hansen 1893-1 620 Amador Agric. Exp. Sta. 609 Comment
  UCD53262  Agrostis pallens Beecher Crampton 1957-5-28 4071 Amador along new section of Hwy. 88, 2 miles south of Ione. Comment
  UCD53266  Agrostis pallens Beecher Crampton 1957-5-28 4073 Amador along new Hwy. 88, 2 miles south of Ione. Comment
  UC76880  Agrostis pallens Geo. Hansen 1893-1 Amador Comment
  SEINET3916650  Agrostis scabra D. W. McNeal 1979-8-27 2296 Amador Above Hwy. #88, 8.1 mi. ne. of the Lumberyard R.S. El Dorado Nat. For.; 0 Comment
  UCD53585  Agrostis stolonifera Beecher Crampton 1959-6-23 5408 Amador 3/4 mile south of Ione. Comment
  UCD53703  Agrostis variabilis Dean W. Taylor 1974-8-25 4858 Amador On the north face of Mokelumne Peak. 2676 Comment
  UCD74170  Agrostis variabilis Jennifer W. Burt 2006-8-12 204 Amador Kirkwood active ski area, off Hwy 88, collected from center of 'Solitude' ski run. 2524 Comment
  UCR219066  Agrostis variabilis George K. Helmkamp, E. A. Helmkamp 2009-9-15 15614 Amador Northern Sierra Nevada Mountains, south side of Bear River Reservoir, 0.1 mile east of the dam 1774 Comment
  SACT000177  Aira caespitosa Ray Lawyer 1935-8-21 Amador 2072.64 Comment
  UCR185227  Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2007-4-23 11793 Amador Foothills, Northern Sierra Nevada Mountains, along Calif. Hwy 124, 0.25 mile from its junction with Hwy 16 252 Comment
  CAS-BOT-BC138388  Aira caryophyllea var. caryophyllea John Thomas Howell 1954-5-18 29798 Amador Sierra Nevada. 2 miles north northeast of Buena Vista. 91 Comment
  UC1614083  Allium Charles M. Belshaw 1935-5-30 813 Amador Ione Comment
  UCR197548  Allium campanulatum George K. Helmkamp, E. A. Helmkamp 2008-6-23 13712 Amador Northern Sierra Nevada Mountains, Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 Comment
  RSA517892  Allium campanulatum D. E. Breedlove, M. Bourell, R. Patterson 1986-6-9 62829 Amador Above Ham Station on W slope of Carson Pass. 1980 Comment
  SEINET3884272  Allium campanulatum D. W. McNeal 1990-7-6 3724 Amador Rd. cut aboe Hwy. #88, 1.0 mi se. of the jct of Plasse Rd s. of Silver Lake, El Dorado Nat. For.; 0 Comment
  UCD33571  Allium hyalinum Beecher Crampton 1970-4-22 8566 Amador Eldorado County line, bridge over south fork of the Cosumnes river on Latrobe road. Comment
  UC1584593  Allium obtusum Dean W. Taylor 1987-4-30 8940 Amador along Highway 88 0.3 mi w Ham's Station 1463 Comment
  SEINET3878517  Allium obtusum D. W. McNeal 1973-5-10 1312 Amador Just abve Hwy #88, 0.3 mi NE of Omo Ranch Rd., and 11.4 mi NE of Pioneer.; 0 Comment
  SEINET3878520  Allium obtusum D. W. McNeal 1979-6-10 2245 Amador Above Hwy #88, 2.4 mi NE of the Silber Lake Dam.; 0 Comment
  UC142745  Allium obtusum var. conspicuum Geo. Hansen V 1895 1255 Amador Armstrong's Stat'n Sequoia Gigantea Region, Armstrong's Stat'n 1524 Comment
  RSA413110  Allium obtusum var. obtusum Bill Mortola 1982-6-4 3 Amador Beside highway 88 at Ham s Station. Comment
  UCD138576  Allium obtusum var. obtusum Dean W. Taylor 1973-6-3 2365 Amador Sierra Nevada. Ridgetop west of Highway 88 - Silver Lake and east of Shealor Lakes at headwaters of North Tragedy Creek. 2438 Comment
  UCD138656  Allium validum G. K. Helmkamp; E. A. Helmkamp 2007-7-17 12519 Amador Northern Sierra Nevada Mountains: along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake. 2316 Comment
  SEINET8467302 Image available Allium validum D. W. McNeal 1973-7-18 1329 Amador along hwy 88, 4.0 mi NE of the Silver Lake turnoff, El Dorado Nat. Forest. Comment
  UCD141868  Allium validum D. G. Hunt; M. Yamaguchi, D. Hughes 1965-8-5 s.n. Amador Highway #88. 0.15 mile west of X-roads with Kay Resort sign on new highway, N Tragedy Creek Trail sign on old highway. Comment
  UC23567  Allophyllum divaricatum Michener and Bioletti Aug., 1893 Amador Jackson Comment
  UCR257085  Allophyllum divaricatum George K. Helmkamp, Mary Alice Barnes 2013-5-13 20597 Amador Sierra Nevada Mountains, Shake Ridge Road, 16.7 miles northeast of its junction with E-16 via Fiddletown Rd. 983 Comment
  SEINET3245963  Allophyllum integrifolium G. K. Helmkamp, E. A. Helmkamp 2010-1 16525 Amador Northern Sierra Nevada Mountains: between the west shore of Silver Lake and CA-99 lakeside rest stop area (Tragedy Spring 7.5') 2234 Comment
  UC1123713  Allophyllum integrifolium H. S. Yates 1934-6-30 3924 Amador 1 mi. n. Silver Lake; El Dorado Nat'l Forest, Pyramid Peak Quad. Comment
  UCR233674  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-8-6 17952 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UCR240885  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2010-7-13 16516 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  CAS-BOT-BC171441  Alnus rhombifolia Geo. Hansen 1894-3-1 810 Amador Agrc. Station. Sequoia Region 609 Comment
  UC153621  Alnus rhombifolia Geo. Hansen 1895-8-1 810 Amador Irishtown Sequoia Gigantea Region 457 Comment
  SEINET3246134  Amaranthaceae G. K. Helmkamp, E. A. Helmkamp 2009-1 15678 Amador Sierra Nevada Mountains Foothills: along Hwy CA-49, 1.0 mile south of Plymouth, 1.3 mi. north of Drytown. 303 Comment
  RSA26726  Amaranthus albus Roxana S. Ferris 1940-6-1 9846 Amador Between Clements and Ione Comment
  UC153852  Amaranthus blitoides Geo. Hansen Jul 1893 317 Amador New York Falls Sequoia Region 609 Comment
  UC153851  Amaranthus powellii Geo. Hansen Sep 1895 1411 Amador Agrc. Station Sequoia Region 609 Comment
  RSA785563  Amelanchier pallida Doris Bowers 1969-8-20 697 Amador Bear Reservoir, Bear River Lake, El Dorado National Forest 1220 Comment
  CAS-BOT-BC142926  Amelanchier utahensis Geo. Hansen 1895-5-1 1088 Amador Ham's 1524 Comment
  UC12078 Image available Amelanchier utahensis Geo. Hansen 1892-1 Amador Silver Lake Comment
  RSA0105204  Amsinckia intermedia George K. Helmkamp 2014-3-14 22562 Amador Eastern Sacramento Valley/Sierra Nevada Foothills: along Hwy E-16, 0.6 mile southwest of the junction with CA-49, c. 2.5 mi southwest of Plymouth. 250 Comment
  UCR272768  Amsinckia intermedia George K. Helmkamp 2014-3-14 22562 Amador Eastern Sacramento Valley/Sierra Nevada Foothills, along Hwy E-16, 0.6 mile southwest of the junction with CA-49, c. 2.5 mi southwest of Plymouth 250 Comment
  UCD119638  Amsinckia intermedia Kathryn Johnson 1966-3-27 11 Amador State Highway 16, 4 miles W of Michigan Bar. 91 Comment
  UCD119745  Amsinckia menziesii G. K. Helmkamp; E. A. Helmkamp 2007-3-17 11641 Amador Sacramento Valley/Sierra Nevada Foothills: Hwy CA-24, 3.2 mi southwest of Plymouth near Tonzi Road. 210 Comment
  UCR246410  Amsinckia menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2012-3-22 18630 Amador Northern Sierra Nevada Mountains Foothills, Bell Road, 1.2 miles east of CA-49 at private road to Rancho Cicada Retreat 371 Comment
  UCR253510  Amsinckia retrorsa George K. Helmkamp 2014-4-5 22659 Amador Sierra Nevada Foothills, junction of Tonzi Road and CA-124, NE of Ione 201 Comment
  UC1123231  Anagallis arvensis R. D. Roseberry 1935-4-20 62 Amador 2 1/2 mi. n. Ione; Jackson Quad. 121 Comment
  UC141637  Anagallis arvensis Geo. Hansen May 1893 946 Amador New York Falls Sequoia Region, New York Falls 609 Comment
  RSA115230  Anagallis arvensis Beecher Crampton 1957-5-28 4064 Amador just below the old UC Foothill Experiment Station entrance, 5.2 miles northeast of Jackson Comment
  UCD56116  Andropogon virginicus A. A. Beetle 1946-5-11 4245 Amador 3.5 miles east of Jackson on Rt. 88 turn left on paved road and take first left - 11.25 mi. from Rt. 88 is loc. Comment
  UCD56122  Andropogon virginicus T. C. Fuller 1961-10-4 7078 Amador 3 mi. southeast of Buena Vista, Buena Vista Rd., Leavitt prop. Comment
  UC20809  Angelica breweri Geo. Hansen 1892-1 326 Amador California Comment
  CAS-BOT-BC58681  Antennaria luzuloides 1892-7-1 s.n. Amador Near Antelope 1219 Comment
  CAS-BOT-BC84712  Anthemis cotula Geo. Hansen 1895-1 940 Amador Agrc. Station Comment
  UCD127199  Anthriscus caucalis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-6 10306 Amador Northern Sierra Nevada foothills: middle of the city Jackson, 0.1 mile north of the junction of CA-49 and CA-88. 378 Comment
  UC1063066  Antirrhinum vexillocalyculatum subsp. intermedium C. M. Belshaw 1936-7-6 2437 Amador 1.25 mi nw Rich Gulch; Jackson Quad. 457 Comment
  CAS-BOT-BC454509  Aphanes occidentalis Alice Eastwood 1921-3-19 10127 Amador Ione Comment
  UC193292  Apocynum cannabinum Geo. Hansen 1895-3 1162 Amador Clinton Bar Sequoia Gigantea Region, Mokelumne R. and immediate Tributar 609 Comment
  UCR237717  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2012-7-14 19389 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
  POM99587  Aquilegia formosa var. truncata Geo. Hansen 1893-6-25 s.n. Amador Amador and Calaveras Counties: Deer Creek. 1220 Comment
  CHSC59700  Arabidopsis thaliana Hank Thompson 1980-4-5 8 Amador Ca. 3 1/4 mi NE of Fiddletown, 1 mi N of Tyler Rd. 548 Comment
  UCR257883  Arabis hirsuta var. glabrata George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-8-4 19554 Amador Northern Sierra Nevada Mountains, West Lake Road along the west side of Silver Lake; 4.1 miles north of junction with Plasse Road 2247 Comment
  CAS-BOT-BC128717  Arbutus menziesii Geo. Hansen 1893-6-1 909 Amador Grass Valley 914 Comment
  UC1281105  Arctostaphylos H. E. McMinn 1933-9-4 3267 Amador 32.9 mi from Plasse Resort at Silver Lake (toward Jackson) Comment
  UCD60227  Arctostaphylos glauca G. K. Helmkamp 2006-5-9 10323 Amador Northern Sierra Nevada foothills: Climax Road southwest of Pine Grove, 0.1 mile west of Hwy. CA-88. 701 Comment
  OBI14646  Arctostaphylos manzanita H. E. McMinn 1936-1-29 4336 Amador Near Jackson Comment
  OBI14647  Arctostaphylos manzanita Lewis S. Rose 1966-2-26 66001 Amador 1 mi SE of Ione 122 Comment
  RSA136579  Arctostaphylos manzanita P. H. Raven 1956-12-2 10523 Amador About 1 mile south-east of Fiddletown. 610 Comment
  RSA632968  Arctostaphylos manzanita Jon E. Keeley 1993-9-14 25036 Amador Irish Hill Road, 3 km north of Highway 104, west of I-one. 70 Comment
  RSA632970  Arctostaphylos manzanita Jon E. Keeley 1993-9-14 25037 Amador Irish Hill Road, 3 km north of Highway 104, west of I-one. 70 Comment
  RSA632978  Arctostaphylos manzanita Jon E. Keeley 1993-9-14 25073 Amador Highway 49, south of Jackson. 360 Comment
  RSA632982  Arctostaphylos manzanita Jon E. Keeley 1993-9-14 25075 Amador Highway 49, south of Jackson. 360 Comment
  UCD51914  Arctostaphylos manzanita Rolf Y. Berg 1964-2-29 8003 Amador Ione Formation (near Eriogonum Hill); near Ione. Comment
  CAS-BOT-BC24473  Arctostaphylos manzanita John Thomas Howell 1978-4-4 52743 Amador Near Boston House on road to Wallace. Comment
  CAS-BOT-BC38851  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1936-3-16 36029 Amador Ione 60 Comment
  CAS-BOT-BC38894  Arctostaphylos manzanita subsp. manzanita Brandegee 1889-1-1 35 Amador Ione Comment
  CAS-BOT-BC38895  Arctostaphylos manzanita subsp. manzanita Brandegee 1889-1-1 35 Amador Ione Comment
  CAS-BOT-BC38896  Arctostaphylos manzanita subsp. manzanita Ernest Braunton 1904-1-1 1266 Amador Ione 152 Comment
  CAS-BOT-BC38897  Arctostaphylos manzanita subsp. manzanita C. A. Gross 1903-6-2 155 Amador Plymouth 152 Comment
  JEPS79551  Arctostaphylos manzanita subsp. manzanita Edward Lee with H. L. Mason, et al. 1936-4-11 1894 Amador Lancha Plancha (Plana) Mokelumne River (n side of river) Comment
  RSA131429  Arctostaphylos manzanita subsp. manzanita P. H. Raven 1956-12-2 10522 Amador About 1 mile south-east of Fiddletown. 610 Comment
  UC549541  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-4-6 799 Amador Ione Comment
  UC82923  Arctostaphylos manzanita subsp. manzanita Katharine Brandegee 1889-1 Amador Ione Comment
  SEINET11977858  Arctostaphylos mariposa C. M. Belshaw 1936-1 2419 Amador near Clinton 671 Comment
  CAS-BOT-BC40088  Arctostaphylos myrtifolia Gilbert T. Benson 1926-1-23 s.n. Amador Summit of a rocky hill one mile east of Ione. Comment
  CAS-BOT-BC40092  Arctostaphylos myrtifolia Alice Eastwood 1921-3-18 s.n. Amador Ione Comment
  CAS-BOT-BC40098  Arctostaphylos myrtifolia J. W. Congdon 1894-4-6 s.n. Amador Near Ione Comment
  CAS-BOT-BC45552  Arctostaphylos myrtifolia C. H. Merriam 1907-8-21 s.n. Amador Between Ione and Buena Vista. Type Locality. Comment
  CAS-BOT-BC45558  Arctostaphylos myrtifolia C. C. Parry 1887-2-1 s.n. Amador Ione. Comment
  CAS-BOT-BC45579  Arctostaphylos myrtifolia Arthur Menzies; Barbara Sherfey 1964-2-12 s.n. Amador Ione. Comment
  CAS-BOT-BC45600  Arctostaphylos myrtifolia C. H. Merriam 1907-8-21 s.n. Amador Between Ione and Buena Vista. Type Locality. Comment
  CHSC99879  Arctostaphylos myrtifolia Beecher Crampton 1954-8-3 2236 Amador 1 mile east of Lone, along highway 88. 91 Comment
  HSC69097  Arctostaphylos myrtifolia Tim Messick 1981-3-27 1496 Amador 0.3 mi. ENE of intersection of Hwy 88. and Ione- Buena Vista Road 122 Comment
  JEPS78666  Arctostaphylos myrtifolia Edward Lee 1936-2-29 1762 Amador Fork of Ione and Buena Vista Roads Ione (2.5 mi (straight line) se) Comment
  OBI14681  Arctostaphylos myrtifolia Robert F. Hoover 1962-1 Amador Comment
  RSA123229  Arctostaphylos myrtifolia D. Axelrod 1934-11-21 60 Amador 1 3/4 miles S of Ione. 122 Comment
  RSA140052  Arctostaphylos myrtifolia H. S. Yates 1935-4-26 5146 Amador 1.5 miles south of Ione. 106 Comment
  RSA3008  Arctostaphylos myrtifolia C. B. Wolf 1931-9-12 1300 Amador 2 miles East of Ione, on road to Jackson. 167 Comment
  RSA381098  Arctostaphylos myrtifolia Roman Gankin 1963-5-16 358 Amador 1 mile north of junction Carbondale Road and north-south road which leads through the town (?) of Carbondale. Comment
Read comments
Aug 29 2007
  RSA386694  Arctostaphylos myrtifolia Roman Gankin 1956-1-11 81 Amador Near a grabage dump 1/2 mi. s. of the racetrack between a clay mine-brick factory and Ione-Stockton highway. Comment
  RSA386697  Arctostaphylos myrtifolia Roman Gankin 1956-1-11 79 -2 Amador W of clay mine-brick factory and 1/2 mi. S of racetrack. near Ione Comment
  RSA437609  Arctostaphylos myrtifolia R. Collins, R. Woodward 1987-2-16 1154 Amador T7N, R9E, S33, Werner Jasper Property 73 Comment
Read comments
Nov 18 2007
  RSA633204  Arctostaphylos myrtifolia Jon E. Keeley 1993-9-14 24052 Amador Southeast of Ione on Highway 104 near railroad tracks. 100 Comment
  RSA633207  Arctostaphylos myrtifolia Jon E. Keeley 1993-9-14 24056 Amador Southeast of Ione on Highway 104 near railroad tracks. 100 Comment
  SD7731  Arctostaphylos myrtifolia C. C. Parry 1878-1 Amador Ione Comment
  SJSU1749  Arctostaphylos myrtifolia C. W. Sharsmith 1956-3-25 6314 Amador c. 2 mi W of Ione Comment
  UC193035  Arctostaphylos myrtifolia C. C. Parry Feb. 1888 Amador Ione Comment
  UC535016  Arctostaphylos myrtifolia Mrs. H. P. Bracelin 1931-2-22 145 Amador on Jackson rd about 1 mi se Ione (type locality) Comment
  UC549735  Arctostaphylos myrtifolia J. E. Adams 1933-10-1 536 Amador ridges se Ione Comment
  UC82926  Arctostaphylos myrtifolia Katharine Brandegee April 1889 Amador Ione Comment
  UCD52496  Arctostaphylos myrtifolia Roman Gankin 1956-10-27 202 Amador 0.5 mi. from jct. of Buena Vista-Ione Rd. and Hwy. 88 toward Buena Vista--1/8 mi. E of this point; near Ione. Comment
  UCD52497  Arctostaphylos myrtifolia Roman Gankin 1963-5-16 358 Amador 1 mile north of junction Carbondale Road and north-south road which leads through the town (?) of Carbondale. Comment
  UCD52505  Arctostaphylos myrtifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-26 s.n. Amador Carbondale-Ione. 80 Comment
  UCD52513  Arctostaphylos myrtifolia Roman Gankin 1956-10-27 196 Amador West of clay mine-brick factory and between the factory and the 88 Hwy; 1/2 mile S of the race track; near Ione. Comment
  UCD52518  Arctostaphylos myrtifolia Roman Gankin 1956-4-2 87 Amador One plant found 5 mi. S of Buena Vista; W side of road on top of a knoll; area is directly across road from the Morrow Ranch. Comment
  UCD52528  Arctostaphylos myrtifolia C. M. Belshaw 1936-2-29 1530 Amador 2.5 miles SE of Ione. 152 Comment
  UCD52575  Arctostaphylos myrtifolia Roman Gankin; W. R. Hildreth 1966-2-6 631 Amador Hill northeast of junction of Ione-Buena Vista Road and State Highway 88. Comment
  UCD52585  Arctostaphylos myrtifolia Roman Gankin 1956-10-27 199 Amador West of clay mine-brick factory and between the factory and the 88 hwy.; 1/2 mile south of the racetrack; Ione area. Comment
  UCD52600  Arctostaphylos myrtifolia G. Ledyard Stebbins Jr. 1956-1-11 83 Amador 1/2 mile east of the Ione Buena Vista Rd.; 1 mile north of Buena Vista. Comment
  UCD52602  Arctostaphylos myrtifolia Don K. Sexton 1956-4-15 276 Amador East of Ione at intersection of Jackson Highway. Comment
  UCD52606  Arctostaphylos myrtifolia C. M. Belshaw 1936-2-29 1528 Amador Two and a half miles southeast of Ione. 152 Comment
  UCD52607  Arctostaphylos myrtifolia Roman Gankin 1956-1-11 85 1 Amador 5 miles south of Buena Vista; west side of road on top of a knoll; area is directly across road from the Morrow Ranch. Comment
  UCD56640  Arctostaphylos myrtifolia Terri Williamson 1990-4-28 41 Amador Hwy. 124 and Brickyard Rd., 1.5 m. SE of Ione. 91 Comment
  UCR136854  Arctostaphylos myrtifolia Beecher Crampton 1954-8-3 2236 Amador Northen Sierra Nevada foothills, 1 mile east of Ione along Hwy 88 137 Comment
  UCR141213  Arctostaphylos myrtifolia June Latting 1976-5-2 s.n. Amador Central Sierra Nevada foothills, Ione 198 Comment
  UCSB21175  Arctostaphylos myrtifolia McMinn, H. 1938-4-10 Amador Near Ione; on way to Jackson Comment
  OBI30236  Arctostaphylos myrtifolia Daniel Taylor 1976-1 Amador Comment
  SEINET11988274  Arctostaphylos myrtifolia Unknown 1956-1 Amador Comment
  SEINET11989147  Arctostaphylos myrtifolia B. A. Stein 1981-1 Amador Comment
  CAS-BOT-BC45564  Arctostaphylos nevadensis Gwendolan Newell 1929-8-24 s.n. Amador Summit emigrant trail. 2438 Comment
  RSA78979  Arctostaphylos nevadensis E. K. Balls, Percy C. Everett, B. K. Balls 1952-10-7 18098 Amador 6.4 mi. NE of El Dorado Nat'l Forest boundary, by turn off to Peddler Hill, Hwy 88. 2134 Comment
  CAS-BOT-BC46709  Arctostaphylos patula Geo. Hansen 1895-5-1 1118 Amador Amador Co. 1524 Comment
  RSA122005  Arctostaphylos patula H. S. Yates 1934-6-30 3930 Amador 2 miles north of Silver Lake. 2226 Comment
  SD49829  Arctostaphylos patula A. E. Wieslander 1936-9-28 593 Amador Pyramid Peak Quadrangle, Lumberyard Ranger Station 1980 Comment
  UC1281163  Arctostaphylos patula H. E. McMinn 1933-9-4 3251 Amador about 2.5 mi from Carson Lodge (trail from lodge to Center Peak) 2590 Comment
  UC1281165  Arctostaphylos patula H. E. McMinn 1933-9-4 3259 Amador 11 mi down mt hwy from Plasse Resort to Jackson; Silver Lake Comment
  UC1281166  Arctostaphylos patula H. E. McMinn 1933-9-4 3264 Amador about 19.6 mi from Plasse Resort (toward Jackson); Silver Lake Comment
  UCD53273  Arctostaphylos patula subsp. gankinii A. E. Wieslander 1936-9-28 593 Amador Lumberyard Ranger Station. Comment
  HSC30088  Arctostaphylos viscida J. P. Smith 1974-3-27 7341 Amador Hwy. 88, 5.9 miles east of the Amador County line, just beyond the turnoff to Ione 76 Comment
  UCD52624  Arctostaphylos viscida Kay Ryugo 1952-4-20 1029 Amador 4.5 miles east of Plymouth on the road to Fiddletown, Amador County, California. Comment
  UCD52641  Arctostaphylos viscida G. F. Hrusa; J. Hart 1996-3-16 12659 Amador Formerly disturbed site on Irish Hill Rd. approx. 3/4 mile E of Indian Hill. 90 Comment
  JEPS19900  Arctostaphylos viscida subsp. mariposa Katharine Brandegee June 1910 Amador Volcano Comment
  UC527367  Arctostaphylos viscida subsp. mariposa C. B. Wolf 1931-9-12 2426 Amador near schoolhouse; Sierra Nevada Foothills, Pine Grove 609 Comment
  CAS-BOT-BC45333  Arctostaphylos viscida subsp. viscida Gary D. Wallace 1974-12-21 1338 Amador Near Ione at jct. of Hwy. 88 and Comanche Pkwy. 60 Comment
  CAS-BOT-BC45334  Arctostaphylos viscida subsp. viscida Saichi Kawahara 1968-3-23 70 Amador Harbison-Waler Refractories company Ione Works site, Ione 121 Comment
  CAS-BOT-BC45335  Arctostaphylos viscida subsp. viscida Herbert F. Copeland 1935-3-24 s.n. Amador Near Ione Comment
  CAS-BOT-BC45336  Arctostaphylos viscida subsp. viscida C. Hart Merriam 1907-8-21 s.n. Amador Near Ione - Dry chparral hills between Ione and Buena Vista Comment
  CAS-BOT-BC45337  Arctostaphylos viscida subsp. viscida C. Hart Merriam 1907-8-21 s.n. Amador Ione Comment
  CAS-BOT-BC45339  Arctostaphylos viscida subsp. viscida Geo. Hansen 1896-5-1 55 Amador Lancha Plana 121 Comment
  CAS-BOT-BC45341  Arctostaphylos viscida subsp. viscida Brandegee 1889-6-1 31 Amador Ione Comment
  CAS-BOT-BC45350  Arctostaphylos viscida subsp. viscida John Thomas Howell 1931-2-22 5732 Amador Ione Comment
  OBI14486  Arctostaphylos viscida subsp. viscida H. E. McMinn 1936-9-4 3274 Amador 14.5 mi from Jackson toward Placerville, Plymouth rd Comment
  POM77536  Arctostaphylos viscida subsp. viscida Geo Hansen 1896-01 55 Amador Lancha Plana 122 Comment
  RSA636979  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-14 25042 Amador Southeast of Ione on Highway 104 near railroad tracks. 100 Comment
  RSA636980  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-14 25045 Amador Southeast of Ione on Highway 104 near railroad tracks. 100 Comment
  SD257252  Arctostaphylos viscida subsp. viscida George K. Helmkamp, Elizabeth Helmkamp 2014-2-20 22519 Amador Sierra Nevada Mountains Foothills; along CA-124, 0.7 mile northeast of Waterman Road, 1.94 air miles NE of Hwy 104 junction at Ione. 180 Comment
  UC1281106  Arctostaphylos viscida subsp. viscida H. E. McMinn 1933-8-11 3212 Amador between Pine Grove and Ione Comment
  UC185735  Arctostaphylos viscida subsp. viscida Katharine Brandegee June, 1910 Amador Ione Comment
  UC21915  Arctostaphylos viscida subsp. viscida Geo. Hansen 1891-1 Amador Drytown Comment
  UC549613  Arctostaphylos viscida subsp. viscida J. E. Adams 1934-3-31 782 Amador Ione Comment
  UC549716  Arctostaphylos viscida subsp. viscida J. E. Adams 1934-3-31 778 Amador ridge se Ione Comment
  UC549717  Arctostaphylos viscida subsp. viscida J. E. Adams 1934-4-6 805 Amador hills e Ione Comment
  UC83381  Arctostaphylos viscida subsp. viscida C. C. Parry 1887-3-9 Amador Ione Comment
  UCD72381  Arctostaphylos viscida subsp. viscida G. K. Helmkamp; E. A. Helmkamp 2007-3-17 11644 Amador Eastern Sacramento Valley: Buena Vista Road, 0.3 mile north of Buena Vista. 104 Comment
  UCR190557  Arenaria George K. Helmkamp 2007-6-29 12417 Amador Northern Sierra Nevada Mountains, Shot Rock Vista picnic area along CA-88, 0.9 miles east of its junction with Mormon Emigrant Trail 2329 Comment
  UCR197302  Arenaria kingii var. glabrescens George K. Helmkamp, E. A. Helmkamp 2008-7-11 13785 Amador Northern Sierra Nevada Mountains, Shot Rock Vista picnic area on the south side of CA-88, 0.9 mile east of the junction of Mormon Emigrant Trail 2329 Comment
  SBBG21220  Aristida oligantha B. Crampton 1954-8-3 Amador 6 mi E of Ione, St Hwy 88 Comment
  UCD56486  Aristida oligantha Beecher Crampton 1975-8-27 9259 Amador 1.5 miles south of Ione. Comment
  CAS-BOT-BC82304  Arnica cordifolia W. B. Duncan 1927-8-1 s.n. Amador vicinity of Silver Lake Comment
  UCR190554  Arnica fulgens George K. Helmkamp 2007-6-29 12457 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.2 mile west of Carson Spur summit 2421 Comment
  CAS-BOT-BC82782  Arnica mollis G. Thomas Robbins 1956-9-10 3763 Amador slope above State Highway 88, close to turn-off for and about one-half mile south of Kirkwood [Lakke] Lake 2346 Comment
  CAS-BOT-BC85106  Arnica nevadensis G. Thomas Robbins 1956-9-10 3764 Amador Steep, somewhat rocky slope above State Highway 88, close to turn-off for and about one-half mile south of Kirkwood Lake 2346 Comment
  CAS-BOT-BC85107  Arnica nevadensis G. Thomas Robbins 1956-9-10 3764 Amador Steep, somewhat rocky slope above State Highway 88, close to turn-off for and about one-half mile south of Kirkwood Lake 2346 Comment
  CAS-BOT-BC90110  Artemisia arbuscula subsp. arbuscula W. B. Duncan 1927-8-1 s.n. Amador vicinity of Silver Lake Comment
  JEPS89419  Artemisia arbuscula subsp. arbuscula Dean W. Taylor 1973-9-9 3064 Amador along Highway 88 about 1 mi w of Carson Spur (near trailhead junction to Capels Creek and old road); Highway 88 Comment
  CAS-BOT-BC90261  Artemisia douglasiana Geo. Hansen 1895-8-1 224 Amador Agrc. Station 609 Comment
  RSA748764  Artemisia ludoviciana subsp. incompta K. M. Meyer, A. Townesmith 2007-8-10 211 Amador El Dorado National Forest, Martin Meadow off California Highway 88. 2320 Comment
  CAS-BOT-BC99288  Artemisia tridentata subsp. vaseyana John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-8-10 54432 Amador Small lake on Carson Pass Road just west of Carson Spur near Kirkwood - Sierra Nevada 2407 Comment
  UCR202671  Artemisia tridentata subsp. vaseyana George K. Helmkamp, E. A. Helmkamp 2008-9-22 14140 Amador Northern Sierra Nevada Mountains, north side of CA-88, 0.2 mile northeast of Silver Lake 2266 Comment
  CAS-BOT-BC400612  Asarum hartwegii Geo. Hansen 1893-5-1 s.n. Amador Middle Grove Comment
  RSA6176  Asarum hartwegii C. B. Wolf 1933-5-24 s.n. Amador 4.8 miles along Pine Grove on Carson Pass Highway 854 Comment
  UC1123510  Asclepias cordifolia P. L. Johannsen 1937-7-21 1257 Amador 3 mi sse Volcano; Jackson Quadrangle Comment
  UC69682  Asclepias cordifolia Earle Mulliken Jun 1 1904-Jun 20 1904 107 Amador near Jackson (Caminetti Ranch); Sierra Nevada Mountains 487 Comment
  SEINET10455160  Asclepias cordifolia Mulliken 1904-6-1 MULLIKEN 107 Amador Caminetti ranch near jackson. Comment
  SEINET10580335  Asclepias cordifolia George Hansen Hansen 1989 Amador Pedlar 1981 Comment
  UCD121281  Asclepias cordifolia J. M. Tucker; C. H. Lamoureux 1958-6-1 3398 Amador North side of Highway 88, 1.2 miles east of Pioneer (ca. 17 miles, by road, east of Jackson). Comment
  UC1123546  Asclepias fascicularis C. M. Belshaw 1936-7-10 2459 Amador 1/4 mi s Clinton; Jackson Quadrangle Comment
  RSA401234  Asclepias fascicularis M. Henning 1929-7-13 s.n. Amador Near Camp Minkalao. 2134 Comment
  SEINET10637014  Asclepias fascicularis Ernest Braunton Braunton 1031 Amador Vicinity of Ione 61 Comment
  SEINET7121620  Asclepias vestita E. Braunton 1031 Amador Vicinity of Ione 61 Comment
  JEPS59992  Aspidotis californica W. L. Jepson 1929-4-29 15229 a Amador Sacramento-Jackson Rd Willow Springs Station 188 Comment
  UC1440069  Aspidotis californica Alan Smith with C. D. MacNeill 1975-4-12 663 Amador along n bank of upper end of Pardee Reservoir (where it narrows) 167 Comment
  UCR230756  Aster eatonii George K. Helmkamp, E. A. Helmkamp 2010-10-1 17000 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 0.3 mile southwest of its junction with Quartz Mountain Road, 4.25 mi. NE (47 deg. ) of Sutter Creek 527 Comment
  RSA0013368  Aster integrifolius George K. Helmkamp, E. A. Helmkamp 2010-9-1 16882 -A Amador Northern Sierra Nevada Mountains: along CA-88, 2.6 miles southwest of its junction with Mormon Emigrant Trail, e. 2.75 mi NNW of Upper Bear River Reservoir. 2162 Comment
  CAS-BOT-BC177547  Astragalus bolanderi Mary Strong Clemens 1920-9-9 s.n. Amador Silver Lake Comment
  RSA795352  Astragalus bolanderi George K. Helmkamp, E. A. Helmkamp 2011-8-6 17988 Amador Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  SBBG128637  Astragalus bolanderi G. K. Helmkamp, E. A. Helmkamp 2011-8-6 17988 Amador Ellis Rd, 0.2 mi S of its jct with CA-88 2009 Comment
  SD239723  Astragalus bolanderi George K. Helmkamp, E. A. Helmkamp 2012-7-14 19419 Amador Northern Sierra Nevada Mountains: Tragedy Spring, near Carson Pass Hwy, along Tragedy Spring Road 0.3 mile east of its junction with CCA-88 (Tragedy Spring 7.5'Q) 2421 Comment
  UCD38263  Astragalus bolanderi Beecher Crampton 1953-7-30 1553 Amador 6 miles east of Lumber Yard Ranger Station, Hwy 88. Comment
  JEPS29817  Astragalus gambelianus Rimo Bacigalupi and L. R. Heckard 1962-5-31 8561 Amador at hill summit on road between Ione and Watts Station (Calif. 104) 6.5 mi n Ione; n of Ione 213 Comment
  UC13425  Astragalus gambelianus Geo. Hansen 1892-1 Amador Comment
  UCD56152  Avena barbata Beecher Crampton 1966-5-3 7700 Amador Ca. 9.5 miles SSE of Ione. Site of Lancha Plana. Comment
  SEINET10517566  Avena barbata A. Arthur Heller 1914-3-18 Heller 11207 Amador Moist places along a small stream eight miles north of Oroville, near western base of Table mountain. Comment
  CAS-BOT-BC98790  Baccharis douglasii Ernest Braunton 1904-7-1 1135 Amador Preston School Grounds - Preston School of Industry - Waterman, Cal. Comment
  POM37526  Baccharis pilularis Geo Hansen 1896-1-9 1416 Amador Ione 91 Comment
  UCR201736  Baccharis pilularis George K. Helmkamp, E. A. Helmkamp 2008-10-23 14273 Amador San Joaquin Valley, junction of Buena Vista Road and Comanche Parkway Road, northeast of Comanche Reservoir 137 Comment
  CAS-BOT-BC106557  Balsamorhiza deltoidea Curran 4425 Amador Unspecified Comment
  CAS-BOT-BC100065  Balsamorhiza macrolepis Geo. Hansen 1895-4-1 1069 Amador Stony Creek 304 Comment
  CAS-BOT-BC102164  Bidens 1954-9-5 30038 Amador Near Ione 91 Comment
  UCD98848  Bistorta bistortoides T. E. Weier 1940-7-25 s.n. Amador 2 miles south of Carson Spur. Comment
  NY31006  Blennosperma californicum G. Hansen 1896-4-11 1584 Amador Ione 91.4 Comment
  SJSU1750  Blennosperma nanum C. W. Sharsmith 1956-3-26 6313 Amador near Plymouth Comment
  CAS-BOT-BC16284  Boechera howellii Dean W. Taylor 1974-8-25 4852 Amador Sierra Nevada. North facing cirque on Mokelumne Peak, near timberline. 2849 Comment
  UC2044618  Boechera paupercula George K. Helmkamp with Elizabeth Helmkamp 2013-7-10 21014 Amador Northern Sierra Nevada Mountains Plasse Road at the southern end of Silver Lake, off Highway 88/Carson Pass Hwy. (Tragedy Spring 7.5' Q.) Comment
  CAS-BOT-BC14192  Boechera pinetorum Alice Eastwood; John Thomas Howell 1940-6-18 8472 Amador Silver Lake. Comment
  UCD136843  Botrychium multifidum Dennis Wm. Stevenson 1974-10-27 412 Amador Silver Lake, near Kit Carson Lodge. 2185 Comment
  CDA13189  Brachypodium distachyon G. F. Hrusa, J. Hart 1996-4-28 12848 Amador Cosumnes River Drainage; N side of Twin Cities Rd. approx. 1/4 m W of intersection with Michigan Bar Rd. Comment
  UCD32779  Brachypodium distachyon Beecher Crampton 1954-8-3 2246 Amador Amador County, 0.5 miles south of Clinton. Comment
  UCD33082  Brachypodium distachyon Beecher Crampton 1966-5-3 7697 Amador Amador County, ca. 9.5 miles S.S.E. of Ione, site of Lancha Plana. Comment
  UCR242001  Brassica geniculata George K. Helmkamp, E. A. Helmkamp 2012-9-7 19770 Amador Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of the junction with Fiddletown Road at Plymouth 299 Comment
  UCR253196  Brassica geniculata George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22139 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 4.8 miles northeast of the town of Sutter Creek 405 Comment
  UCR259853  Brassica geniculata George K. Helmkamp, Elizabeth Helmkamp 2013-10-18 22437 Amador Sierra Nevada Mountains Foothills, Plymouth, at the junction of Mineral Street and Mill Street, near Hwy CA-49 329 Comment
  UCR242821  Brassica kaber George K. Helmkamp, E. A. Helmkamp 2010-4-3 15813 B Amador Foothills Northern Sierra Nevada Mountains, Willow Creek Road, 1.2 miles north of its junction with CA-124, 3.7 mi. NE (22 deg. ) of Ione 175 Comment
  CAS-BOT-BC106347  Brickellia californica Ernest Braunton 1904-8-1 1183 Amador Ione Comment
  RSA0094876  Briza maxima George K. Helmkamp, Amy Barnes 2014-5-8 22846 Amador Sacramento Valley/Sierra Nevada Foothills. along CA-104, 1.2 miles southeast of Ione. 146 Comment
  SACT000462  Briza minor W. Kier 1958-5-11 Amador Roadside, near stream Comment
  UC1130944  Briza minor G. T. Nordstrom 1936-4-19 715 Amador 0.9 mi n Plymouth; Jackson Quadrangle Comment
  UCR250274  Briza minor George K. Helmkamp, E. A. Helmkamp 2009-3-26 14483 Amador Sierra Nevada Mtns. Foothills, south of Ione, CA-88 between Buena Vista Rd. and South Church St. 125 Comment
  SEINET10570679  Brodiaea George Hansen Hansen 40 Amador Agricultural Station. 2000 feet. Comment
  UCD139101  Brodiaea appendiculata R. N. Raynor 1938-5-5 s.n. Amador 5 miles north of Ione. Comment
  SEINET10929213  Brodiaea capitata George Hansen Hansen 38 Amador Agricultural Station. 2000 feet. Comment
  UCR257099  Brodiaea elegans subsp. elegans George K. Helmkamp, Mary Alice Barnes 2013-5-17 20606 Amador Northern Sierra Nevada Mountains Foothills, Stony Creek Road, 3.6 miles southwest of Jackson 293 Comment
  CAS-BOT-BC457075  Brodiaea elegans subsp. elegans Ernest Braunton 1904-6-1 1009 Amador Grounds of Preston School Comment
  CAS-BOT-BC482889  Brodiaea elegans subsp. elegans George Hanson 1891-6-1 s.n. Amador Sequoia Region Agrc. Station 609 Comment
  HSC40738  Brodiaea elegans subsp. elegans R. York 1977-6-20 10 Amador Around Tiger Creek Reservoir just off Hwy. 88 305 Comment
  RSA26716  Brodiaea elegans subsp. elegans Roxana S. Ferris 1940-6-1 9848 Amador Roadside, between Clements and Ione. Comment
  CAS-BOT-BC484371  Brodiaea minor R. Halliday; Wayne Roderick 1967-6-11 s.n. Amador No location given 609 Comment
  UC768602  Brodiaea nana R. F. Hoover 1940-5-19 4394 Amador 3 mi w Ione Comment
  UCD77132  Brodiaea nana Robert E. Preston 2003-5-9 2125 Amador Ca. 1.1 mi N of Indian Hill, along Ione Rd, N of its jct with Hwy 104. 70 Comment
  UC37576  Bromus carinatus var. carinatus Geo. Hansen 1892-1 624 Amador near Jackson Comment
  CAS-BOT-BC156000  Bromus diandrus Geo. Hansen 1893-5-1 598 Amador Sequoia Regino. New York Falls. Agricultural Station. 609 Comment
  SEINET3922233  Bromus diandrus R. Collins 1984-5-13 1101 Amador Jasper-Werner Properties. NW of Ione.; 0 Comment
  UC1131151  Bromus diandrus G. T. Nordstrom 1936-4-19 705 Amador Plymouth 304 Comment
  UC37676  Bromus diandrus Geo. Hansen 1892-1 598 Amador near Jackson Comment
  CAS-BOT-BC155468  Bromus hordeaceus John Thomas Howell 1954-5-18 s.n. Amador Sierra Nevada. Hills southeast of Ione. Comment
  UC1131096  Bromus hordeaceus R. D. Roseberry 1935-4-16 30 Amador 1 1/2 mi nw of Ione 91 Comment
  UC76889  Bromus hordeaceus Geo. Hansen 1893-1 950 Amador Amador Comment
  UCR184851  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2007-4-26 11818 Amador Foothills, northern Sierra Nevada Mountains, along Calif. E-16, 0.7 mile south of River Pines 610 Comment
  UCR233136B  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2010-3-26 15766 Amador Eastern San Joaquin Valley/ Sierra Nevada Foothills, low foothills along CA-16, 6.8 miles west of Plymouth near Forest Home Rd. 177 Comment
  UCR253546  Bromus hordeaceus George K. Helmkamp 2014-4-5 22669 Amador Sierra Nevada Foothills, junction of Tonzi Road and CA-124, NE of Ione 201 Comment
  SEINET10527854  Bromus hordeaceus subsp. hordeaceus George Hansen 1896-11-22 Hansen 2080 Amador Pine Grove. 671 Comment
  UCD59020  Bromus madritensis A. A. Beetle 1946-5-11 4253 Amador Amador-Sacramento Co. line. Highway 19. Comment
  UCD59026  Bromus madritensis Beecher Crampton 1959-5-18 5219 Amador Amador-El Dorado Co. border.: Above the Cosumnes River. 2.9 miles south of Latrobe. Comment
  UCD59027  Bromus madritensis Beecher Crampton 1966-5-3 7696 Amador Ca. 9.5 miles SE of Ione. Site of Lancha Plana. Comment
  UC1131234  Bromus madritensis subsp. rubens R. D. Roseberry 1935-4-24 118 Amador 4 mi nw of Ione 91 Comment
  UC37688  Bromus orcuttianus Geo. Hansen 1896-7-13 1835 Amador Sequoia Gigantea Region, Pioneer Pioneer; Sequoia Gigantea Region, Pioneer 1066 Comment
  CAS-BOT-BC161991  Bromus rubens John Thomas Howell 1954-5-18 s.n. Amador Sierra Nevada. Near Ione. Comment
  UCD59603  Bromus rubens Terri Williamson 1990-4-28 24 Amador 2 mi. S of Ione, Hwy. 124. 91 Comment
  SEINET10518059  Bromus rubens George Hansen 1896-5-13 Hansen 1665 Amador Calaveras County. Mokelumne River and Immediate Tributaries. White Bar. 305 Comment
  SEINET10518062  Bromus rubens George Hansen 1896-1 Hansen 2078 Amador Volcano. 2500 Comment
  UCR219023  Bromus sterilis George K. Helmkamp, E. A. Helmkamp 2010-6-23 16349 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 9.5 miles northeast of its junction with old CA-49 in Sutter Creek village 576 Comment
  UCD59733  Bromus suksdorfii B. Crampton 1953-7-30 1566 Amador Hwy. 88, 1 mile north of Silver Lake. 2438 Comment
  CAS-BOT-BC185447  Calamagrostis breweri Dean W. Taylor 1974-8-25 4857 Amador North face of Mokelumne Peak. 2727 Comment
  SEINET4560896  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 2012-1 18600 Amador Northern Sierra Nevada Mountains Foothills: along CA-124 (E Plymouth Hwy), 1.2 miles northeast of Ione. 169 Comment
  UC1136627  Calandrinia ciliata R. D. Roseberry 1935-4-18 65 Amador 1/2 mi e Buena Vista; Jackson Quadrangle 91 Comment
  UCR184973  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 2007-4-23 11810 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UC1281330  Calocedrus decurrens H. E. McMinn 1936-1-28 4332 Amador near Cooks Station Comment
  CAS-BOT-BC487502  Calochortus albus Earle Mulliken 1904-6-1 102 Amador Caminetti Ranch, near Jackson 487 Comment
  CAS-BOT-BC487503  Calochortus albus F. Almeda 1983-5-27 4949 Amador Western city limit of Fiddletown off of Fiddletown-Silver Lake Road Comment
  CAS-BOT-BC487504  Calochortus albus Geo Hansen 1891-5-1 46 Amador Rgr Station 914 Comment
  CDA39301  Calochortus albus R. Cooper 1963-5-7 s.n. Amador Old U.C. Experimental Station property, Jackson area. 0 Comment
  SEINET8194256  Calochortus albus H. R. Holbo 1961-3-12 s.n. Amador Horse Creek. 183 Comment
  UC672158  Calochortus albus Herbert L. Mason 1928-5-3 4480 Amador s of Clark Creek; Cosumnes River Comment
  CDA13194  Calochortus luteus G. F. Hrusa, J. Hart 1996-5-9 12917 Amador Cosumnes River Drainage; Howard Ranch. Hills S of Twin Cities Rd. (Hwy. 104). Comment
  SEINET3885477  Calochortus luteus R. Collins, R. Woodward 1987-5-6 1247 Amador About 8 miles northwest Ione, off Carbondale Rd, ca 1 mile east of Sacramento Co. border.; 0 70 Comment
  SEINET3238909 Image available Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2008-5-4 13393 Amador Sierra Nevada Mountains Foothills; along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir. 774 Comment
  UCR198497  Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2008-5-4 13393 Amador Sierra Nevada Mountains Foothills, along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir 774 Comment
  CAS-BOT-BC493340  Calochortus superbus Geo. Hansen 1895-6-1 1250 Amador Agrc. Station, New York Falls 609 Comment
  UC1134546 Image available Calochortus venustus G. T. Nordstrom 1936-5-5 790 Amador 2.6 mi wsw Sutter Creek; Jackson Quad. 335 Comment
  UCR242583  Calochortus venustus George K. Helmkamp, E. A. Helmkamp 2011-6-17 17610 Amador Northern Sierra Nevada Mountains Foothills, junction of CA-26 and Joyce Road, northwest of the Hwy 26 bridge over North Fork Mokelumne River, 0.78 mi. SSW (187 deg. ) of Pioneer 762 Comment
  UCR257188  Calochortus venustus George K. Helmkamp, Mary Alice Barnes 2013-5-13 20595 Amador Sierra Nevada Mountains, Shake Ridge Road, 16.7 miles northeast of its junction with E-16 via Fiddletown Rd. 983 Comment
  CAS-BOT-BC270034  Calycadenia multiglandulosa R. F. Hoover 1938-7-30 3705 Amador 4 miles SW of Ione Comment
  CAS-BOT-BC270037  Calycadenia multiglandulosa R. F. Hoover 1938-7-30 3705 Amador 4 miles SW of Ione Comment
  JEPS20222  Calycadenia multiglandulosa R. F. Hoover 1938-7-30 3705 Amador 4 mi sw of Ione Comment
  JEPS40389  Calycadenia multiglandulosa W. L. Jepson 1929-4-29 15257 Amador Willow Springs Station, Sacramento-Jackson road 198 Comment
  UC762555  Calycadenia multiglandulosa R. F. Hoover 1938-7-30 3705 Amador 4 mi sw of Ione Comment
  UCR136523  Calycadenia multiglandulosa Beecher Crampton 1975-8-27 9255 Amador Northern Sierra Nevada foothills, 4.5 miles north of Ione (by road) on Hwy 124 at Tonzi Road 168 Comment
  CAS-BOT-BC270033  Calycadenia multiglandulosa G. D. Carr 1971-8-15 636 Amador On Highway 88, 0.9 mile W of its junction with Highway 124, 3.1 miles SW of Ione 79 Comment
  CAS-BOT-BC270044  Calycadenia multiglandulosa H. M. Hall 1930-8-9 12857 Amador Ione, just S of fair grounds 121 Comment
  CAS-BOT-BC270047  Calycadenia multiglandulosa Evelina Cannon 1893-1-1 s.n. Amador Unspecified Comment
  UCD38693  Calycadenia multiglandulosa Beecher Crampton 1957-5-28 4052 Amador Along State Hwy. 16, ca. 3.5 miles west of Drytown, 0.25 mile east of Willow Springs School. Comment
  CAS-BOT-BC270871  Calycadenia spicata James R. Shevock 1985-7-31 11332 Amador Along Carbondale - Plymouth Road about 0.5 mile N of Michigan Bar Road 91 Comment
  UCR253228  Calyptridium monospermum George K. Helmkamp, Elizabeth Helmkamp 2013-7-6 20983 Amador Northern Sierra Nevada Mountains, Bear River Road at the south end of the dam for Lower Bear River Reservoir 1784 Comment
  CAS-BOT-BC532594  Calystegia G. Ledyard Stebbins 1971-6-20 8029 Amador River Pines [exact location unknown] Comment
  UCD160986  Calystegia G. Ledyard Stebbins 1971-6-20 8029 Amador River Pines. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SD260209  Calystegia occidentalis subsp. occidentalis George K. Helmkamp, Elizabeth Helmkamp 2013-5-22 20664 Amador Northern Sierra Nevada Mountains Foothills: Ostrom Road, 1.2 miles east of E-16 (Plymouth-Shenandoah Rd,), 1.1 mi. north (353a^z) of Fiddletown (Fiddletown 7.5'Q) 572 Comment
  HSC40719  Calystegia occidentalis subsp. occidentalis R. York 1977-6-26 29 Amador Along Volcano-Jackson Rd. 732 Comment
  UC23154  Calystegia occidentalis subsp. occidentalis Geo. Hansen 1891-1 Amador Comment
  RSA122063  Camissonia hirtella R. D. Roseberry 1935-4-24 121 Amador 6 miles north of Jones Butte, 122 Comment
Read comments
Nov 22 2013
  UCR246566  Capsella bursa-pastoris George K. Helmkamp, E. A. Helmkamp 2012-6-6 19124 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.1 miles west of Cooks Station 1439 Comment
  UCR173606  Cardamine hirsuta George K. Helmkamp, Elizabeth Helmkamp 2006-4-7 10169 Amador Northern Sierra Nevada Foothills, E of Sacramento, SW of Shenandoah Valley; along Calif. Hwy 49, c. 4.5 mi north of Plymouth 341 Comment
  UCR246400  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 2012-3-22 18626 Amador Northern Sierra Nevada Mountains Foothills, Rancho Cicada Retreat; private road, 1.1 miles north of Bell Road on east side of Middle Fork Cosumnes River 255 Comment
  UCR197330  Carex abrupta George K. Helmkamp, E. A. Helmkamp 2008-6-23 13742 Amador Northern Sierra Nevada Mountains, Dufrene Road, 1.5 miles south of its junction with CA-88, jct. between Mormon Emigrant Trail and Bear Valley Reservoir Road 2021 Comment
  CHSC99396  Carex athrostachya Robert F. C. Naczi 2006-8-6 11521 Amador Ca. 6.5 mi SW of community of Kit Carson, 1.0 road mi SW of junction of route 88 and Morman Emigrant Trail, along small stream ESE of its crossing by route 88. 2144 Comment
  RSA748555  Carex athrostachya George K. Helmkamp, E. A. Helmkamp 2007-7-17 12525 Amador along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake 2317 Comment
  CAS-BOT-BC18012  Carex athrostachya Mrs. H. C. Cantelow 1936-7-26 1508 Amador West of Kayes Resort, Silver Lake, near stream. Comment
  JEPS63551  Carex densa W. L. Jepson 1929-4-29 15214 Amador 1 1/2 mi ne Ione (foot of Churchbell Hill); Churchbell Hill 152 Comment
  UC1133367  Carex feta P. L. Johannsen 1937-7-9 1234 Amador 3 mi nnw West Point; Jackson Quadrangle Comment
  UCD140421  Carex helleri Dean W. Taylor 1974-8-25 4850 Amador Mokelumne Peak. 2788 Comment
  CHSC99382  Carex infirminervia Robert F. C. Naczi 2006-8-6 11511 Amador Ca. 6.5 mi SW of community of Kit Carson, 1.0 road mi SW of junction of route 88 and Morman Emigrant Trail, along small stream ESE of its crossing by route 88. At edge of meadow bordering stream. 2151 Comment
  CDA33099  Carex leavenworthii J. T. Howell 1969-4-22 45552 Amador Sutter Creek. 0 Comment
  CAS-BOT-BC31227  Carex lenticularis var. impressa William Henry Brewer 1863-8-15 2099 Amador Shore of Silver Lake. 2225 Comment
  CHSC92616  Carex lenticularis var. lipocarpa G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-8-10 3382 Amador S base of Peddler Hill; Hwy 88 at junction with road to Dufrene (3 miles) and L. D. S. camp (4 miles), El Dorado National Forest. 2084 Comment
  UC1050  Carex lenticularis var. lipocarpa W. H. Brewer 1863-8-15 2099 Amador Silver Lake 2225 Comment
  SDSU11723  Carex microptera D. F. Howe 1961-8-10 3166 Amador Pond at Carson Spur, Carson Pass Rd., #86 2435 Comment
  UCR237092  Carex nebrascensis George K. Helmkamp, E. A. Helmkamp 2012-7-14 19423 Amador Northern Sierra Nevada Mountains, Tragedy Spring, near Carson Pass Hwy, along Tragedy Spring Road 0.3 mile east of its junction with CA-88 2421 Comment
  SEINET11182684 Image available Carex nervina Robert F. C. Naczi 2006-8-6 11503 Amador ca. 6.5 mi SW of community of Kit Carson, 1.0 road mi SW of junction of route 88 and Mormon Emigrant Trail, along small stream ESE of its crossing by route 88 2164 Comment
  UC8075  Carex nudata Geo. Hansen 1896-5-19 1658 Amador Agrc. Station Sequoia Region 609 Comment
  CAS-BOT-BC117976  Carex rossii Beryl Olive [later Mrs. H. J. Jesperson] Schreiber 1937-6-13 2405 Amador Silver Lake 2194 Comment
  CHSC99393  Carex rossii Robert F. C. Naczi 2006-8-6 11506 Amador Ca. 6.5 mi SW of community of Kit Carson, 1.0 road mi SW of junction of route 88 and Morman Emigrant Trail, along small stream ESE of its crossing by route 88. 2164 Comment
  SEINET3907580  Carex rostrata D. W. McNeal 1982-8-14 2753 Amador Below Hwy. #88 at Carson Spur.; 0 Comment
  UC653  Carex senta Geo. Hansen 1892-1 636 Amador near Jackson Comment
Read comments
Oct 26 2014
  SBBG34054  Carex vesicaria T. L. Secrest 1950-8-17 Amador Silver Lake Comment
  CDA17014  Carex whitneyi G. F. Hrusa, J. Glazner 2003-7-22 16093 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  CHSC99421  Carex whitneyi Robert F. C. Naczi 2006-8-6 11529 Amador Ca. 6.5 mi SW of community of Kit Carson, 1.0 road mi SW of junction of route 88 and Mormon Emigrant Trail, along small stream ESE of its crossing by route 88. 2156 Comment
  SDSU2855  Cassiope mertensiana Helen L. Dale 1929-7-29 1318 Amador Crater south of Carson Spur Summit. 2682 Comment
  CAS-BOT-BC249102  Castilleja affinis Geo. Hansen 1892-7-1 893 Amador Deer Creek 762 Comment
  CAS-BOT-BC249104  Castilleja affinis Geo. Hansen 1891-4-1 s.n. Amador Agrc. Station 609 Comment
  JEPS73891  Castilleja affinis subsp. affinis L. R. Heckard 1974-5-15 3706 Amador about 0.5 mi w Fiddletown 487 Comment
  CAS-BOT-BC249405  Castilleja applegatei subsp. pallida Alice Eastwood; John Thomas Howell 1940-6-18 8471 Amador Silver Lake Comment
  UCR240927  Castilleja applegatei subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2012-6-26 19275 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 4.1 miles south of its junction with CA-88, S of Hwy 88/Carson Pass Hwy. and W of Lower Bear Reservoir 1518 Comment
  UC199397  Castilleja applegatei subsp. pinetorum Geo. Hansen 1892-1 459 Amador Comment
  JEPS74841  Castilleja attenuata L. R. Heckard, T. I. Chuang and R. Bacigalupi 1975-5-22 4051 Amador ca 2.5 mi ne (by road) Fiddletown (along Lawrence Road) Comment
  RSA746547  Castilleja attenuata George K. Helmkamp, E. A. Helmkamp 2007-4-5 11742 Amador Foothills, Northern Sierra Nevada Mtns.: along CA-49, 0.2 miles west of Amador City. 309 Comment
  UC673462  Castilleja attenuata H. L. Mason 1928-5-3 4459 Amador w of Ione (Jackson Creek Bridge) Comment
  UCD122318  Castilleja attenuata G. K. Helmkamp; E. A. Helmkamp 2007-4-5 11742 Amador Northern Sierra Nevada Mountains: along CA-49, 0.2 mile west of Amador City. 309 Comment
  UCR197552  Castilleja campestris subsp. campestris George K. Helmkamp, E. A. Helmkamp 2008-6-23 13709 Amador Northern Sierra Nevada Mountains, Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 Comment
  JEPS10882  Castilleja densiflora subsp. densiflora R. D. Roseberry 1935-4-20 97 Amador 2.5 mi n Ione; Jackson Quad. 121 Comment
  JEPS16807  Castilleja exserta subsp. exserta Rimo Bacigalupi with G. Thomas Robbins 1955-5-6 5042 Amador 3.7 mi sw Plymouth (at junction of Calif Hwys 16 and 104) 207 Comment
  HSC45374  Castilleja exserta subsp. exserta R. York, Linda York 1978-3-23 97 Amador Hwy. 49 198 Comment
  SEINET7067442  Castilleja hispida subsp. brevilobata A. G. Vestal 1947-6-5 s.n. Amador About 3.3 miles northeast of the junction with the road to West Point (Route 26) on Route 88. Coordinate datum: NAD27. Comment
  JEPS29807  Castilleja lacera Rimo Bacigalupi, and L. R. Heckard 1962-5-30 8551 Amador 1 mi w Waits Station (along Calif Hwy 16, 0.6 mi e of junction of road from Latrobe) 207 Comment
  JEPS34372  Castilleja lacera Rimo Bacigalupi, and L. R. Heckard 1963-5-13 8851 Amador .33 mi e Willow Springs School (along Calif Hwy 16, at crossing of a tributary of Willow Creek, 0.5 mi w of junction with Highway 104 (formerly Waits Station)); Willow Creek 195 Comment
  JEPS74833  Castilleja lacera L. R. Heckard, T. I. Chuang and R. Bacigalupi 1975-5-22 4043 Amador 2 mi w Route 16 junction with Route 49 (along Route 16, just e of site of Waits Station) Comment
  JEPS74842  Castilleja lineariloba L. R. Heckard, T. I. Chuang and R. Bacigalupi 1975-5-22 4051 A Amador ca 2.5 mi ne (by road) Fiddletown (along Lawrence Road) Comment
  UCD37120  Castilleja lineariloba Beecher Crampton 1957-5-28 4050 Amador 3.5 miles west of Drytown, 0.25 mile east of Willow Springs School, along State Highway 16. Comment
  UCR258108  Castilleja miniata subsp. miniata George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-8-4 19557 Amador Northern Sierra Nevada Mountains, West Lake Road along the west side of Silver Lake; 4.1 miles north of junction with Plasse Road 2247 Comment
  UC199400  Castilleja subinclusa subsp. subinclusa Geo. Hansen 1892-1 461 Amador Comment
  UCR63913  Catalpa bignonioides L. F. LaPre 1990-6-6 s.n. Amador Forster Ranch, along Dry Creek, just east of the Sacramento and San Joaquin county lines. 15 Comment
  CAS-BOT-BC48528  Ceanothus cordulatus Geo. Hansen 1892-1-1 192 Amador Cold Springs 1828 Comment
  SACT002894  Ceanothus cordulatus H. Wiedman, D. Stuart 1969-7-30 Amador Dry rocky slope. Road to Stockton Municipal Camp. 2072.64 Comment
  CAS-BOT-BC49341  Ceanothus cuneatus Geo. Hansen 1891-4-1 58 Amador New York Falls 609 Comment
  CDA17148  Ceanothus cuneatus G. F. Hrusa, J. Glazner 2001-6-7 15862 Amador Ione Region; Sutter Ione Rd. 0.6 mi. E of Hwy 124 and +/- 3-4 mi. N of Ione - the Ott Ranch. 213 Comment
  POM224458  Ceanothus cuneatus L. S. Rose 1936-3-16 36024 Amador 4 miles SW of Ione. 30 Comment
  CAS-BOT-BC64391  Ceanothus diversifolius Geo. Hansen 1895-7-1 1097 Amador Antelope. 1219 Comment
  UC423090  Ceanothus integerrimus Katharine Brandegee 1916-6-26 Amador Cook's Station Wylies Comment
  UC569940  Ceanothus integerrimus G. T. Nordstrom 1936-4-18 701 Amador 1 1/4 miles southwest of Bisbee Peak 213 Comment
  UCD111961  Ceanothus integerrimus B. Crampton 1953-7-30 1550 Amador Hwy 88, Ham's Station. 1661 Comment
  UCD111971  Ceanothus integerrimus G. K. Helmkamp 2006-5-9 10331 Amador Northern Sierra Nevada: Grass Valley Creek, 1.2 miles east of Pine Grove along Hwy CA-88. 762 Comment
  UCR173663  Ceanothus integerrimus George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10331 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  RSA300963  Ceanothus integerrimus var. californicus D. C. Michener 1982-7-29 4149 Amador Along 88, 8 miles N E of Pioneer Station. Comment
  RSA6184  Ceanothus integerrimus var. californicus Carl B. Wolf 1933-5-24 4926 Amador Above Pine Grove on Carson Pass Hwy. 793 Comment
  RSA122440  Ceanothus palmeri G. T. Nordstrom 1936-4-18 14708 Amador 1.25 mi S.W. of Bisbee Pk. 213 Comment
  UC18390  Ceanothus prostratus Geo. Hansen Sep 1893 53 Amador Wiley's Comment
  HSC69096  Ceanothus tomentosus Tim Messick 1981-3-27 1494 Amador 0.1 mi. ENE of intersection of Hwy. 88 and Ione-Buena Vista Rd. 110 Comment
  RSA115529  Ceanothus tomentosus Beecher Crampton 1957-5-28 4084 Amador 2 miles S of Lone Comment
  RSA122364  Ceanothus tomentosus H. S. Yates 1935-4-26 5147 Amador 1.5 miles south of Ione. 107 Comment
  RSA167703  Ceanothus tomentosus Robert F. Thorne, Percy C. Everett 1964-4-16 33734 Amador 2.5 miles S or SSE of Ione. 91 Comment
  UC1071436  Ceanothus tomentosus G. T. Nordstrom 1936-4-23 737 Amador 1 mi s Ione City; Jackson Quad. B Comment
  UC80076  Ceanothus tomentosus Geo. Hansen May 1895 804 Amador Ione Sequoia Region, Ione 914 Comment
  UCD112740  Ceanothus tomentosus Beecher Crampton 1963-4-23 6729 A Amador 2.5 miles S of Ione. Comment
  UCD112751  Ceanothus tomentosus Terri Williamson 1990-4-28 30 Amador 2 mi. S. of Ione. Hwy 124. 91 Comment
  RSA96085  Ceanothus tomentosus Percy C. Everett, E. K. Balls 1954-10-7 20238 Amador 2 miles E of jct of Hwy 104 and road to Plymouth and Ione. 183 Comment
  CAS-BOT-BC52372  Ceanothus tomentosus var. tomentosus Robert F. Thorne; P. Everett 1964-4-16 33734 Amador 2.5 miles S or SSE of Ione 91 Comment
  CAS-BOT-BC52381  Ceanothus tomentosus var. tomentosus Geo. Hansen 1896-5-18 1646 Amador Clinton 609 Comment
  UC1119128  Centaurea melitensis G. T. Nordstrom 1936-6-2 819 Amador 4.3 mi nw of Volcano; Jackson Quadrangle 670 Comment
  UCD80048  Centaurea melitensis CNPS SN Foothill Team 2005-5-19 SNFN 0316 Amador EBMUD Pardee Reservoir, Pardee Lake. The stand is located in the Chrome mountain area of the property. 309 Comment
  CAS-BOT-BC272088  Centaurea melitensis Gladys L. Smith 1959-5-2 1076 Amador 3 miles from Pardee Reservoir Recreation area on county road to Jackson, Sierra Nevada 304 Comment
  RSA0045222  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2006-10-6 11461 Amador Along Calif. Hwy 49 near Enterprise, 1.8 miles south of El Dorado Co. line. 274 Comment
  SEINET2441346  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2009-8-6 15397 Amador Sierra Nevada Mountains Foothills: along Hwy CA-88, 3.1 miles northeast of CA-49 in Jackson (Mokelumne Hill 7.5' Q.).; 0 424 Comment
  UCR230722  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-10-1 16997 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road, 2.5 mi. NW (285 deg. ) of Volcano 692 Comment
  SEINET3828323  Centaurium muehlenbergii George K. Helmcamp, E. A. Helmkamp 2011-1 17615 Amador Northern Sierra Nevada Mountains Foothill: Suter-Ione Road. 2.7 miles west of its junction with CA-49, 2.9 mi. SW (221) of Amador City. 308 Comment
  JEPS46923  Centaurium venustum W. L. Jepson 1923-5-30 9960 a Amador Buena Vista Comment
  UC141241  Centaurium venustum Geo. Hansen Jul 1893 99 Amador New York Falls Sequoia Region 609 Comment
  UC1930995  Centromadia fitchii G. K. Helmkamp, E. K. Helmkamp 2006-10-6 11475 Amador Northern Sierra Nevada Mountains Foothills: along Hwy CA-49, 1.1 miles south of Plymouth Comment
  UC65563  Centromadia fitchii Ernest Braunton 1904-6-1 1053 Amador vicinity of Ione 60 Comment
  UCD83355  Centromadia fitchii CNPS SSN-SJV Foothill Team 2008-7-30 380 Amador Amador County; East Bay MUD land. Camanche Reservoir. 51 Comment
  CAS-BOT-BC288519  Centromadia fitchii David D. Keck 1932-6-29 1533 Amador 1.5 miles SW of Plymouth Comment
  UC34589  Centromadia fitchii Geo. Hansen 1891-1 Amador Comment
  CAS-BOT-BC222877  Cephalanthus occidentalis Geo. Hansen 1895-7-1 1163 Amador Crow Point 457 Comment
  UCR218192  Cerastium glomeratum George K. Helmkamp, E. A. Helmkamp 2010-5-31 16156 Amador Sierra Nevada Mountains Foothills, Church Street, becoming Sutter Creek-Volcano Road, 0.2 mile east of the village of Sutter Creek 402 Comment
  CAS-BOT-BC207756  Cercis occidentalis Ernest Braunton 1904-6-1 1072 Amador Ione, Banks of Sutter Creek Comment
  UC65822  Cercis occidentalis Ernest Braunton June 1904 1072 Amador Vicinity of Ione 60 Comment
  JEPS34203  Chaenactis glabriuscula var. glabriuscula W. L. Jepson 1929-4-29 12256 Amador Willow Springs Station; Sacramento-Jackson Road 198 Comment
  SEINET7067454  Chamaebatia foliolosa A. G. Vestal 1947-6-5 s.n. Amador About 5.4 miles north of West Point and south on Route 88. Coordinate datum: NAD27. UTM Zone 10, 711124mE, 4254504mN. Comment
  UC481565  Chamaebatia foliolosa G. W. Fetters 1929-5-5 135 Amador 20 mi s of Placerville 914 Comment
  UCR240665  Chamaesyce serpillifolia subsp. serpillifolia George K. Helmkamp, E. A. Helmkamp 2012-10-5 19989 Amador Northern Sierra Nevada Mountains Foothills, Fiddletown Road, 1.5 miles west of Fiddletown 466 Comment
  UC1130422  Chamaesyce serpyllifolia P. L. Johannsen 1937-7-21 1262 Amador 1 mi sw volcano 670 Comment
  CDA35270  Chamaesyce serpyllifolia T. C. Fuller 1961-10-4 7077 Amador Buena Vista Rd., 3 miles southeast of Buena Vista, Leavitt Property. 0 Comment
  UCD103634  Chamerion angustifolium Beecher Crampton 1962-8-14 6639 Amador 1/2 mile N of Silver Lake, State Highway 88. 2255 Comment
  UC1440072  Cheilanthes cooperae Alan Smith with C. D. MacNeill 1975-4-11 661 Amador n side of Pardee Reservoir (Cave Gulch) 152 Comment
  SD240971  Chenopodium berlandieri George K. Helmkamp, E. A. Helmkamp 2011-6-22 17617 A Amador Northern Sierra Nevada Mountains Foothills: Sutter-Ione Road, 2.7 miles west of its junction with CA-49, 2.9 miles SW (221a^z) of Amador City (Amador City 7.5'Q) 308 Comment
  UC116446  Chenopodium pumilio Geo. Hansen Jul 1895 308 Amador Agrc. Station Sequoia Region 609 Comment
  POM110258  Chlorogalum Geo Hansen 1896-7-13 1827 Amador Sequoia gigantea region: Pioneer 915 Comment
  UC765908  Chlorogalum angustifolium R. F. Hoover 1937-6-10 2407 Amador 3 mi w Ione Comment
  UC1745994  Chlorogalum pomeridianum var. pomeridianum Annetta M. Carter, Beryl Schreiber, Ethel Crum 1937-8-22 1322 Amador 9 mi. NE of Ione. Comment
  JEPS61568  Chlorogalum pomeridianum var. pomeridianum Geo. Hansen 1891-1 Amador Comment
  RSA293489  Chlorogalum pomeridianum var. pomeridianum C. W. Tilforth, John Dourley 1979-7-23 1871 Amador Along Payne Road, northeast of Ione, west of Highway 124 Comment
  SD247318  Chondrilla juncea George K. Helmkamp, E. A. Helmkamp 2013-8-2 22074 Amador Northern Sierra Nevada Mountains Foothills: southeast of Pioneer along CA-26, north side of North Fork Mokelumne River. 627 Comment
  UC153857  Chorizanthe membranacea Geo. Hansen 1893-4-1 492 Amador Fisher's Cabin Sequoia Gigantea Region, Mokelumne River and tributaries (Mokelumne River and its immediate tributaries, Sequoia Gigantea Region) 365 Comment
  UC1281148  Chrysolepis sempervirens H. E. McMinn 1937-9-26 5082 Amador near Kay's Resort; Silver Lake Comment
  HSC95521  Chrysothamnus viscidiflorus subsp. puberulus Jim Jokerst, Sue Taylor 1988-8-20 3019 Amador Mardens Grave on Hwy. 88 at the Amador-Eldorado county line, 1.3 mi. W of Tragedy Campground Comment
  UC1122352  Circaea alpina subsp. pacifica C. M. Belshaw 1936-7-2 2416 Amador 2 1/4 mi. n.w. Blakeley (Mill Creek); Big Trees Quad., Mill Creek Comment
  RSA0070557  Cirsium andersonii K. M. Meyer, A. Townesmith 2007-8-10 207 Amador El Dorado National Forest, Thunder Mountain trail head off CA Hwy 88. 2517 Comment
  UCR257874  Cirsium andersonii George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-8-4 19538 Amador Northern Sierra Nevada Mountains, Plasse Road, 0.4 mile south of its junction with CA-88, SW of Silver Lake 2262 Comment
  UC71924  Cirsium andersonii Geo. Hansen 1892-1 Amador Comment
  RSA0070689  Cirsium occidentale var. californicum G. T. Nordstrom 1936-6-7 825 Amador 3.8 miles NW of Pine Grove. 701 Comment
  UCD130675  Cirsium occidentale var. venustum K. M. Meyer; A. Townesmith 2007-8-10 207 Amador El Dorado National Forest, Thunder Mountain Trail head off California Highway 88. 2517 Comment
  CAS-BOT-BC286264  Cirsium scariosum Gustave Schrader 1910-7-17 s.n. Amador Silver Lake 2743 Comment
  UC65505  Cirsium vulgare Ernest Braunton 1904-6-1 1078 Amador vicinity of Ione 60 Comment
  SEINET3828594  Cirsium vulgare G. K. Helmkamp, E. A. Helmkamp 2010-1 16995 Amador Northern Sierra Navada Mountains Foothills; Shake Ridge Road, 1.1 mi southwest of its junction with Hale Road, 2.5 mi northwest (285*) of Volcano 1000 Comment
  CAS-BOT-BC228746  Cistanthe umbellata Gwendolan Newell 1929-8-24 s.n. Amador Summit, Emigrant Trail, Silver Lake 2438 Comment
  UC101805  Clarkia arcuata Geo. Hansen May 1895 1090 Amador Panther Creek Sequoia Gigantea Region; Panther Creek, Amador Co. 1463 Comment
  UC1122366  Clarkia arcuata G. T. Nordstrom 1936-4-27 764 Amador 1 1/4 mi nw Sugar Loaf; Jackson Quadrangle Comment
  SBBG28046  Clarkia biloba C. L. Hitchcock 1928-6-12 33 Amador half way between Sutter Crk and Pine Grove 450 Comment
  UC373518  Clarkia biloba C. L. Hitchcock 1928-6-12 34 Amador 7 mi from Jackson (between Ione and Jackson) 425 Comment
  SEINET7067452  Clarkia biloba subsp. australis A. G. Vestal 1947-6-5 s.n. Amador About 32 miles north of West Point. Coordinate datum: NAD27. Comment
  SD241108  Clarkia biloba subsp. biloba George K. Helmkamp, E. A. Helmkamp 2011-6-22 17619 Amador Northern Sierra Nevada Mountains Foothills: along CA-49 at the north junction with Bell Road, 0.7 mile south of the El Dorado County line (Fiddletown 7.5'Q) 310 Comment
  SEINET11265858  Clarkia biloba subsp. biloba George Helmkamp, E. A. Helmkamp 2011-6-22 17619 Amador Northern Sierra Nevada Mountains Foothills: along CA-49 at the north unction with Bell Road, 0.7 miles south of the El Dorado County line (Fiddletown 7.5' Q.); 0 311 Comment
  POM32357  Clarkia biloba subsp. biloba Earle Mulliken 1904-6-1 188 Amador Caminetti Ranch, near Jackson. Sierra Nevada Mountains. 488 Comment
  UCR219006  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2010-6-23 16334 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 7.2 miles northeast of its junction with old CA-49 in Sutter Creek village 473 Comment
  RSA495958  Clarkia cylindrica subsp. cylindrica L. D. Gottlieb 1938-5-27 8822 Amador Butte County: Hwy 70, 0.4 mile W of sign entering Plumas National Forest E of summit, N side of roadway Comment
  UC191764  Clarkia heterandra Geo. Hansen Jun 1893 530 Amador Sequoia Region, Irishtown 548 Comment
  CAS-BOT-BC163628  Clarkia purpurea subsp. quadrivulnera C. L. Hitchcock 1928-6-12 30 Amador 2 1/2 miles northeast of Jackson 410 Comment
  UC1122424  Clarkia purpurea subsp. quadrivulnera G. T. Nordstrom 1936-5-14 794 Amador 1 1/4 mi se Plymouth; Jackson Quadrangle Comment
  UC1122427  Clarkia purpurea subsp. quadrivulnera C. M. Belshaw 1936-6-29 2376 Amador 2 mi nnw Glencoe; Jackson Quadrangle Comment
  UCD85035  Clarkia purpurea subsp. quadrivulnera Dena Grossenbacher; Stefanie Porter 2009-5-15 994 Amador Along both sides of Highway 16, 0.6 miles east of La Trobe Road junction. 195 Comment
  UCR230107  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2011-5-19 17298 Amador Lower Sierra Nevada Foothills, NW of Pardee Reservoir, 0.1 mile east of Rock Creek Road on a gravel spur leading to houses, 4.65 mi. SW (220 deg. ) of Jackson 280 Comment
  CAS-BOT-BC163631  Clarkia purpurea subsp. quadrivulnera D. E. Breedlove 1962-6-14 3667 Amador Along State Highway 88, 8.8 miles east of Pine Grove; Sierra Nevada 1036 Comment
  RSA6188  Clarkia purpurea subsp. quadrivulnera Carl B. Wolf 1933-5-24 4930 Amador West slope Sierra Nevada: 1.8 miles above Jackson on road to Pine Grove 427 Comment
  SEINET7042526  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1963-5-28 s.n. Amador Shoulder along Route 88. 2.3 miles east of Route 49. Mokelumne Hill quadrangle UTM Zone 10, 698724mE, 4248383mN. Comment
  UCSB18527  Clarkia purpurea subsp. quadrivulnera Breedlove, Dennis 1962-6-14 Amador along State Highway 88; 8.8 miles east of Pine Grove; Sierra Nevada 1036 Comment
  UCR218185  Clarkia purpurea subsp. viminea George K. Helmkamp, E. A. Helmkamp 2010-5-31 16163 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 1.6 miles east of the village of Sutter Creek 412 Comment
  UC1122436  Clarkia rhomboidea C. M. Belshaw 1936-7-12 2465 Amador 0.7 mi nw Blakely; Big Trees Quadrangle, Tiger Creek Comment
  UC20017  Clarkia unguiculata Geo. Hansen 1892-1 Amador Jackson Comment
  CAS-BOT-BC165738  Clarkia williamsonii Earle Mulliken 1904-6-1 115 Amador The Station. Caminetti Ranch, near Jackson. Sierra Nevada Mountains 487 Comment
  JEPS43848  Clarkia williamsonii C. L. Hitchcock 1928-6-12 31 Amador 5 mi ne Jackson 430 Comment
  UC69916  Clarkia williamsonii Earle Mulliken Jun 1 1904-Jun 20 1904 115 Amador near Jackson (The Station, Caminetti Ranch); Sierra Nevada Mountains 487 Comment
  CAS-BOT-BC165735  Clarkia williamsonii Beatrice L. Howitt 1962-7-29 376 Amador By side of road just before going into Volcano 609 Comment
  RSA7213  Clarkia williamsonii Carl B. Wolf 1933-8-10 5208 Amador West slope Sierra Nevada: At little red school, 3 miles below Pine Grove on road to Jackson 610 Comment
  SEINET4149838  Clarkia williamsonii E. Mulliken 1904-6-1 115 Amador Caminetti Ranch, near Jackson, The "Station" 488 Comment
  UCD110481  Claytonia Christopher Mallek 2008-1 RP4- 36 Amador River Pines. 688 Comment
  UCR230631  Claytonia parviflora George K. Helmkamp, E. A. Helmkamp 2011-5-10 17242 Amador Northern Sierra Nevada Mountains Foothills, along Sutter Creek near Sutter Creek Rd., 2.9 air miles NE (68 deg. ) of town of Sutter Creek 412 Comment
  SEINET5338633  Claytonia parviflora H. Holbo 1961-3-31 s.n. Amador Horse Creek 183 Comment
  SEINET255562  Claytonia parviflora subsp. parviflora G. K. Helmkamp, E. A. Helmkamp 2006-3-19 10086 Amador Northern Sierra Nevada Foothills: Along CA Highway 49 just S. of Plymouth (Anador City) 320 Comment
  UCD100680  Claytonia parviflora subsp. parviflora G. K. Helmkamp; E. A. Helmkamp 2006-3-19 10086 Amador Northern Sierra Nevada Foothills: Along CA Highway 49 just S of Plymouth. 323 Comment
  CAS-BOT-BC233870  Claytonia parviflora subsp. parviflora Geo. Hansen 1891-3-1 35 Amador New York Falls, Agrc. Station 609 Comment
  CAS-BOT-BC439822  Claytonia perfoliata John Thomas Howell 1969-4-22 45533 Amador Volcano 609 Comment
  CAS-BOT-BC439771  Claytonia perfoliata John Thomas Howell 1969-4-22 45550 Amador Sutter Creek 365 Comment
  CAS-BOT-BC439820  Claytonia perfoliata Gladys L. Smith 1959-5-2 1081 Amador Mine Wheel Hill, Jackson. 457 Comment
  CAS-BOT-BC439823  Claytonia perfoliata John Thomas Howell 1969-4-22 45542 Amador Fiddletown. 518 Comment
  SD243189  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2011-3-12 17081 Amador Northeastern San Joaquin Valley: along CA-88, 0.8 mile northeast of the San Joaquin County line, c. 3 miles north of Camache Reservoir. 81 Comment
  UCR198453  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2008-3-12 13165 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.7 miles south of its junction with CA-49 just south of Jackson 345 Comment
  UC1125902  Clematis ligusticifolia P. L. Johannsen 1937-7-27 1267 Amador 1 1/4 mi. n.-n.w. Jackson Butte; Jackson Quad. Comment
  CDA7440  Cnicus benedictus L. Brown 1960-4-18 Amador Along Mokelumne River, 12 miles southwest of Ione. Goins Ranch. 0 Comment
  CAS-BOT-BC228614  Collinsia bartsiifolia var. bartsiifolia George K. Helmkamp; E. A. Helmkamp 2011-6-7 17492 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 7.6 rd. miles northeast (via Pine Gulch & Gopher Flat rds) of junction of Sutter Creek Rd. and Pine Gulch Rd. 712 Comment
  SEINET3159377  Collinsia heterophylla J. L. Strother, A. R. Smith 1970-5-3 920 Amador near hwy 49, 1 mi N of Calaveras County boundary 427 Comment
  UCR257014  Collinsia heterophylla George K. Helmkamp, Mary Alice Barnes 2013-5-13 20574 Amador Sierra Nevada Mountains, Fiddletown Road, c. 9 miles northeast of its junction with E-16/Shenandoah Rd. near Plymouth 665 Comment
  POM15323  Collinsia heterophylla Earle Mulliken 1904-6-1 101 Amador Caminetti Ranch, near Jackson. Sierra Nevada Mountains. 488 Comment
  RSA408293  Collinsia heterophylla F. C. Ball 1933-4-12 18268 Amador Jackson Comment
  SD197917  Collinsia sparsiflora G. K. Helmkamp, E. A. Helmkamp 2007-4-23 11783 Amador Along Bell Road beside Plymouth Creek just east of Ca-49 in the vicinity of Enterprise. 302 Comment
  UCD123655  Collinsia sparsiflora G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11783 Amador Northern Sierra Nevada Mountains: along Bell Road beside Plymouth Creek just east of CA-49 in the vicinity of Enterprise. 302 Comment
  JEPS16904  Collinsia sparsiflora var. collina Rimo Bacigalupi with G. T. Robbins 1955-5-6 5050 Amador 4.7 mi n of junction of State Highway 16 and road to Latrobe; along road to Latrobe 146 Comment
  UC103376  Collinsia tinctoria Geo. Hansen 1890-5-7 475 Amador Sequoia Gigantea Region, Carpenter's Gulch Carpenter's Gulch; Sequoia Gigantea Region, Carpenter's Gulch 548 Comment
  UC217627  Collinsia torreyi var. torreyi Katharine Brandegee Amador Wylie's Station Comment
  UCR233117B  Collinsia torreyi var. wrightii George K. Helmkamp, E. A. Helmkamp 2011-8-6 17991 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UC23630  Collomia heterophylla Geo. Hansen 1892-1 Amador Jackson Comment
  CAS-BOT-BC180238  Comandra umbellata subsp. californica G. L Smith 1959-5-17 1099 Amador on highway shoulder at Pine grove near Indian grinding stone 762 Comment
  UC6124  Comandra umbellata subsp. californica Geo. Hansen 1892-1 Amador Jackson Comment
  UCR219015  Convolvulus fruticetorum George K. Helmkamp, E. A. Helmkamp 2010-6-23 16357 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 9.5 miles northeast of its junction with old CA-49 in Sutter Creek village 576 Comment
  CAS-BOT-BC286055  Conyza canadensis Ernest Braunton 1904-7-1 1134 Amador Ione Comment
  UCR219195  Conyza canadensis George K. Helmkamp, E. A. Helmkamp 2009-9-22 15646 Amador Sierra Nevada Mountains Foothills, junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 Comment
  UCR179818  Conyza coulteri George K. Helmkamp, E. A. Helmkamp 2006-10-6 11472 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 beside Big Indian Creek; 2.2 miles south of El Dorado County line 271 Comment
  UCR240663  Conyza floribunda George K. Helmkamp, E. A. Helmkamp 2012-10-5 19984 Amador Northern Sierra Nevada Mountains Foothills, Fiddletown Road, 1.3 miles west of its junction with Shake Ridge Road 941 Comment
  CAS-BOT-BC103  Cordylanthus pilosus subsp. hansenii George Hansen 1893-9-1 138 Amador Agriculture Station 609 Comment
  JEPS74363  Cordylanthus pilosus subsp. hansenii L. R. Heckard, T. I. Chuang and R. Bacigalupi 1974-7-27 3781 a Amador 1.8 mi e Jackson (along route 88) 548 Comment
  POM45057  Cordylanthus pilosus subsp. hansenii Geo. Hansen 1895-8-27 138 Amador New York Falls. 457 Comment
  UC1540453  Cordylanthus pilosus subsp. hansenii Annetta Carter 1937-8-22 1326 Amador 7.2 mi n Ione 365 Comment
  UC588128  Cordylanthus pilosus subsp. hansenii Annetta Carter 1937-8-22 1326 Amador 7.2 mi n Ione 365 Comment
  UC615070  Cordylanthus pilosus subsp. hansenii Beryl O. Schreiber 1937-8-22 2461 Amador 7.2 mi ne Ione 182 Comment
  SD236418  Cordylanthus tenuis subsp. tenuis G. K. Helmkamp, Elizabeth Helmkamp 2005-9-1 9837 Amador Northern Sierra Nevada Foothills: Climax road at Taves Road, 0.3 mi W of CA Highway 88 (ESE of Sacramento and ca. 13 miles NE of Jackson) 701 Comment
  UC103419  Cordylanthus tenuis subsp. tenuis Geo. Hansen Sep 1893 697 Amador New York Falls Sequoia Region 609 Comment
  UC1278091  Cordylanthus tenuis subsp. tenuis B. Crampton 1954-8-3 2256 Amador 1 3/4 mi nw Clinton (w slope of peak); Clinton Peak Comment
  UCR170563  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2005-9-1 9837 Amador Northern Sierra Nevada Foothills, Climax road at Taves Road, 0.3 mi west of Calif. Highway 88 (ESE of Sacramento and c. 13 miles NE of Jackson) 701 Comment
  SEINET3146428  Corethrogyne filaginifolia Unknown 1904-1 sn Amador Watenuan Comment
  CAS-BOT-BC209734  Cornus glabrata C. A. G. 1903-6-3 s.n. Amador N. of Plymouth. Bank of Indian Creek Comment
  LA37430  Cornus nuttallii Donald J. Nevins; 1963-5-7 13 Amador State Highway 88, 4 mi. E of Jackson 609 Comment
  UCD117170  Cornus nuttallii G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10345 Amador Northern Sierra Nevada Foothills: ESE of Sacramento, 3.2 mi. E of Pine Grove along CA Hwy 88. 841 Comment
  CAS-BOT-BC210451  Cornus sericea subsp. occidentalis Geo. Hansen 1896-7-30 1952 Amador Bear River 1676 Comment
  SBBG34070  Cornus sericea subsp. sericea T. L. Secrest 1950-8-17 Amador Silver Lake Comment
  UC1280729  Cornus sericea subsp. sericea H. E. McMinn 1937-8-6 5041 Amador Bear R. near P.G. & E. Dam; Bear R. Comment
  UC70648  Cornus sericea subsp. sericea Geo. Hansen 1893-1 Amador Comment
  UC1135186  Corylus californica G. T. Nordstrom 1936-5-27 806 Amador 4.3 mi NW of Volcano 518 Comment
  UC153856  Corylus californica Geo. Hansen 1893-1 808 Amador Grass Valley Sequoia Gigantea Region 762 Comment
  UCR173999  Cotinus coggygria George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-29 10804 Amador Northern Sierra Nevada foothills, northbound along Calif. Hwy 26, 0.6 mile past the North Fork of Mokelumne River 732 Comment
  CAS-BOT-BC427567  Crassula aquatica Alice Eastwood 1921-3-19 10167 Amador Ione Comment
  UC1127155  Crassula connata var. erectoides H. S. Yates 1935-4-26 5143 Amador 1 1/2 mi. s. Ione; Jackson Quad. 106 Comment
  CAS-BOT-BC427951  Crassula tillaea Jack Major; Samuel A. Bamberg 1964-3-1 s.n. Amador 3 miles south of Ione on road to Buena Vista Comment
  UC1061513  Crocanthemum scoparium var. vulgare G. T. Nordstrom 1936-4-29 254 Amador 5.5 mi wsw Bisbee Pk.; Jackson Quad. 152 Comment
  JEPS15020  Crocanthemum suffrutescens B. Schreiber 1937-6-12 2401 Amador 3.5 mi ese Michigan Bar; Jackson Quadrangle 152 Comment
  UC1285285  Crocanthemum suffrutescens R. F. Hoover 1965-6-24 9457 Amador 2 mi se Ione Comment
  CAS-BOT-BC299694  Crocidium Geo. Hansen 1893-4-1 766 Amador Clinton 609 Comment
  SEINET4343722 Image available Crypsis schoenoides Barbara Ertter, Fosiee Tahbaz 1990-11-4 9689 Amador Camanche Reservoir NE of Stockton, North Shore public access 61 Comment
  UC1949260  Crypsis schoenoides Barbara Ertter with Fosiee Tahbaz 1990-11-4 9689 Amador Camanche Reservoir NE of Stockton, North Shore public access Comment
  UCR191138  Crypsis schoenoides George K. Helmkamp, E. A. Helmkamp 2007-8-26 12815 Amador Northern Sierra Nevada Mountains Foothills, along Hwy CA-49 at the south end of Plymouth 323 Comment
  SD244093  Cryptantha affinis George K. Helmkamp, E. A. Helmkamp 2011-8-6 18015 Amador Northern Sierra Nevada Mountains: along dirt road 0.3 mile east of Bear River Reservoir Road, from a point 0.7 mile south of CA-88 (Peddler Hill 7.5'Q) 1986 Comment
  UCD150375  Cryptantha ambigua G. Ledyard Stebbins 1971-6-20 8030 Amador River Pines. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR184976  Cryptantha flaccida George K. Helmkamp, E. A. Helmkamp 2007-4-23 11814 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UCR256498  Cryptantha flaccida George K. Helmkamp, Amy Barnes 2014-5-8 22842 Amador Sacramento Valley/Sierra Nevada Foothills, Tonzi Road, 0.4 mile east of its junction with CA-124, 4.5 air miles NE (35 deg. ) of Ione 188 Comment
  UCR242632  Cryptantha mariposae George K. Helmkamp, E. A. Helmkamp 2010-4-3 15796 Amador Low foothills northern Sierra Nevada Mountains, 4.35 mi. NE (31 deg. ) of Ione, junction of Tonzi Road and CA-124/East Plymouth Hwy 180 Comment
  UC79422  Cryptantha micromeres Mrs. K. Brandegee May 1886 Amador Ione Comment
  SEINET3245940  Cryptantha torreyana G. K. Helmkamp, E. A. Helmkamp 2010-1 16510 Amador Northern Sierra Nevada Mountains: between the west shore of Silver Lake and CA-88; lakeside rest stop area (Tragedy Spring 7.5') 2234 Comment
  UCR248388  Cryptantha torreyana George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21004 Amador Northern Sierra Nevada Mountains, Plasse Road toward Silver Lake, 0.3 mile south of CA-88/Carson Pass Hwy 2276 Comment
  CAS-BOT-BC70530  Cryptogramma cascadensis Geo. Hansen 1893-1-1 s.n. Amador Silver Lake 2438 Comment
  UC410452  Cupressus macnabiana Wm. Vortriede 1929-3-15 Amador hill e of Plymouth Comment
  NY16710  Cupressus macnabiana C. B. Wolf 1934-10-2 6144 Amador 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
  NY16717  Cupressus macnabiana C. B. Wolf 1934-10-2 6145 Amador 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
  SEINET10899796  Cupressus macnabiana Carl B. Wolf, E. R. Johnson 1934-10-2 Wolf 2112 Amador Sierra Nevada foothills, on Red Hill to W of road from Oleta to Aukum, T. 9 N., R. 11 E. Upper sonoran:- Digger Pines, a few stray Yellow Pines. Sun. Rocky red clay. 610 Comment
  CAS-BOT-BC224366  Cuscuta Geo. Hansen 1892-7-1 253 Amador Deer Creek 1219 Comment
  UCR259856  Cynodon dactylon George K. Helmkamp, Elizabeth Helmkamp 2013-10-18 22434 Amador Sierra Nevada Mountains Foothills, Plymouth, at the junction of Mineral Street and Mill Street, near Hwy CA-49 329 Comment
  UCD147092  Cynosurus echinatus Chuck Hughes 2013-5-9 376 Amador About 0.5 mile west of Highway 49, southwest of the City of Plymouth. 359 Comment
  UCR42838  Cynosurus echinatus Rhonda L. Riggins 1982-5-29 1440 Amador Sierra Nevada Foothills, Along Calif. 49 [near Plymouth], 2.6 mi north of the junction with Calif. 16 north of Drytown, 3.9 mi south of El Dorado 335 Comment
  UCR253195  Cyperus eragrostis George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22159 Amador Sierra Nevada Mountains Foothills, Along CA-49, just northeast of its junction with Randolph Court, c. 1 km S of Plymouth 326 Comment
  RSA7675  Cyperus eragrostis Carl B. Wolf, B. D. Stark 1933-9-22 5479 Amador Jackson 381 Comment
  SBBG129071  Cyperus niger G. K. Helmkamp, E. A. Helmkamp 2013-9-13 22286 Amador Volcano Rd, 11.4 mi NE of CA-49 in Sutter Crk, ca. 0.4 mi SW of Volcano 608 Comment
  UC65930  Cyperus niger Ernest Braunton June 1904 1038 Amador vicinity of Ione 60 Comment
  UC1549  Cyperus squarrosus Geo. Hansen 1892-1 643 Amador near Jackson Comment
  CAS-BOT-BC70539  Cystopteris fragilis Geo. Hansen 1892-4-1 646 Amador New York Falls 609 Comment
  SEINET3257999 Image available Cystopteris fragilis George K. Helmkamp, E. A. Helmkamp 2008-5-4 13388 Amador Sierra Nevada Mountains Foothills; along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir. 774 Comment
  CDA18865  Cytisus scoparius R. Wall 1999-5-29 s.n. Amador Sierra Nevada; Cedar Rd. 0 Comment
  CDA1951  Dactylis glomerata H. D. Bowers 1964-7-1 Amador Sierra Nevada; Hwy 88 to Carson Pass between Cook s Station and Tragedy Springs. Comment
  CAS-BOT-BC189864  Danthonia californica John Thomas Howell 1954-5-18 29841 Amador Sierra Nevada. 1.5 miles north northeast of Buena Vista. 91 Comment
  UCD61006  Danthonia californica var. americana A. A. Beetle 1942-7-27 3752 Amador El Dorado National Forest, Mud Springs, 15 miles west of Silver Lake. 1828 Comment
  UC766851  Datura stramonium R. F. Hoover 1940-5-19 4392 Amador 3 mi w Ione Comment
  UC1122933  Daucus carota P. L. Johannsen 1937-7-16 1250 Amador 2 mi. s.e. Volcano; Jackson Quad. Comment
  UC1122935  Daucus pusillus R. D. Roseberry 1935-5-2 126 Amador 1/4 mi. s. Buena Vista Peak (Plot 98); Jackson Quad. Comment
  UC1122942  Daucus pusillus C. M. Belshaw 1936-4-26 1988 Amador 1 1/2 mi. n.w. Buena Vista Peak (Plot 40); Jackson Quad. Comment
  HSC21483  Daucus pusillus J. V. Lenz 1946-4-28 Amador 5 mi NW of Plymouth Comment
  CAS-BOT-BC8950  Delphinium glaucum Gwendolan Newell 1929-8-23 s.n. Amador Hidden Lake, Silver Lake 2206 Comment
  UC69950  Delphinium glaucum Earle Mulliken Jul 27 1904-Aug 5 1904 138 Amador Silver Lake Sierra Nevada Mountains 2194 Comment
  UCR206583  Delphinium glaucum George K. Helmkamp, Ann Kerchner 2009-7-25 15289 Amador Sierra Nevada Mountains, south side of CA-88, 3.2 miles west of the Alpine Co. line; near Martin Meadow 2306 Comment
  UC903280  Delphinium gracilentum Ethel Crum 1934-4-22 1688 Amador 3 mi se Latrobe; Sierra Nevada foothills, Cosumnes River 152 Comment
Read comments
Jun 4 2007
  CAS-BOT-BC8561  Delphinium hansenii D. E. Breedlove 1962-6-14 3687 Amador Along State Hwy. 88, 5.0 miles west of Pine Grove 518 Comment
  UCSB16682  Delphinium hansenii Breedlove, Dennis 1962-6-14 Amador along State Highway 88; 5.0 miles west of Pine Grove; Sierra Nevada 518 Comment
  UCR190674  Delphinium nuttallianum George K. Helmkamp 2007-6-29 12424 Amador Northern Sierra Nevada Mountains, Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake 2244 Comment
  CAS-BOT-BC116424  Delphinium patens subsp. patens D. E. Breedlove 1962-6-14 3644 Amador Along State Hwy. 88, 23 miles east of Pine Grove 1645 Comment
  UCSB16689  Delphinium patens subsp. patens Breedlove, Dennis 1962-6-14 Amador Along State Highway 88, 23 miles east of Pine Grove; Sierra Nevada 1645 Comment
  RSA400055  Delphinium variegatum F. C. Ball 1933-4-12 s.n. Amador Jackson Comment
  CAS-BOT-BC17007  Delphinium variegatum subsp. variegatum Edwin A. Crosby 1952-5-4 27 Amador 3.5 miles northwest of Drytown, on state route 16. 243 Comment
  CAS-BOT-BC17012  Delphinium variegatum subsp. variegatum Geo. Hansen 1896-5-26 1670 Amador Stoney Creek 304 Comment
  UC569987  Delphinium variegatum subsp. variegatum R. D. Roseberry 1935-4-24 117 Amador 4 mi nw Ione; Jackson Quadrangle 91 Comment
  RSA126027  Delphinium variegatum subsp. variegatum E. K. Balls 1957-5-21 22500 Amador Hwy 49, 4.1 miles S of Amador El Dorado County line. Comment
  SD48374  Delphinium variegatum subsp. variegatum E. K. Balls 1957-5-21 22500 Amador State Hwy. 49, 4.1 mi. s. of Amador-El Dorado Co. line Comment
  SEINET3927694  Deschampsia danthonioides R. Collins 1984-5-13 1114 Amador Jasper-Werner Properties. NW of Ione.; 0 Comment
  UC1131439  Deschampsia danthonioides R. D. Roseberry 1935-4-20 79 Amador 4 mi. w. Buena Vista; Jackson Quad. 106 Comment
  UCR197309  Deschampsia danthonioides George K. Helmkamp, E. A. Helmkamp 2008-6-9 13629 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.1 mile south of its junction with CA-88, jct. is 4.0 miles east of Cook's Station 1652 Comment
  UC38014  Deschampsia elongata Geo. Hansen 1895-6-30 1774 Amador Carpenter's Gulch Sequoia Gigantea Region, Carpenter's Gulch 548 Comment
  UC188867  Deschampsia elongata Geo. Hansen 1893-1 818 Amador Comment
  UC1126510  Dicentra chrysantha G. T. Nordstrom 1936-6-15 839 Amador 1 mi s Volcano; Jackson Quad. 762 Comment
  RSA0062472  Dicentra formosa George K. Helmkamp, Elizabeth A. Helmkamp 2013-7-6 20966 Amador Bear River Road at the south end of the dam for Lower Bear River Reservoir. 1784 Comment
  UCR196830  Dicentra formosa George K. Helmkamp 2008-6-17 13686 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road along the south side of Bear River Reservoir 1797 Comment
  CAS-BOT-BC253627  Dichanthelium acuminatum subsp. acuminatum Beecher Crampton 1957-5-28 4065 Amador Just below the old UC Foothill Experiment Station entrance, 5.2 miles NE of Jackson Comment
  UCD110478  Dichelostemma Christopher Mallek 2008-1 RP1- 2 Amador River Pines. 688 Comment
  CAS-BOT-BC500054  Dichelostemma capitatum Geo. Hansen 1891-4-1 38 Amador Agrs. Station 609 Comment
  UCR198471  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2008-3-12 13163 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.7 miles south of its junction with CA-49 just south of Jackson 345 Comment
  UCR253466  Dichelostemma capitatum subsp. capitatum George K. Helmkamp 2014-4-5 22650 Amador Sierra Nevada Foothills, junction of Tonzi Road and CA-124, NE of Ione 201 Comment
  UC3255  Dichelostemma multiflorum Geo. Hansen 1892-1 Amador Panther Creek Comment
  UCR246647  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2012-6-6 19144 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 6.2 miles south of its junction with CA-88, 5.9 mi. SW (245 deg. ) of Bear River Reservoir dam 1438 Comment
  RSA6749  Dichelostemma multiflorum Carl B. Wolf 1933-5-24 4938 Amador 5.3 miles west of Plymouth. 244 Comment
  SEINET4178553 Image available Dichelostemma volubile George K. Helmkamp, E. A. Helmkamp 2011-6-17 17604 Amador Northern Sierra Nevada Mountain Foothills: junction of CA-26 and Joyce Road, northwest of the Hwy 26 bridge over North Fork Mokelumne River, 0.78 mi. SSW of Pioneer. 762 Comment
  CAS-BOT-BC502506  Dichelostemma volubile Geo. Hansen 1895-1-1 49 Amador Agrc. Station; Sequoia Region 609 Comment
  CAS-BOT-BC502510  Dichelostemma volubile Evelina Cannon 1893-6-1 s.n. Amador Sutter Creek Comment
  SEINET8476807  Dichelostemma volubile E. Mulliken 1904-1 103 Amador Caminetti Ranch, near Jackson. 488 Comment
  CAS-BOT-BC209027  Digitaria sanguinalis Ernest Braunton 1904-9-1 1242 Amador Vicinity of Ione 152 Comment
  UCR241984  Digitaria sanguinalis George K. Helmkamp, E. A. Helmkamp 2012-9-7 19795 Amador Northern Sierra Nevada Mountains Foothills, along CA-49 in Plymouth; 0.1 mile south of its junction with Fiddletown Rd./Plymouth-Shenandoah Rd. 303 Comment
  CAS-BOT-BC153759  Diplacus angustatus M. K. C. 1886-5-1 6 Amador unspecified Comment
  SD197920  Diplacus aurantiacus G. K. Helmkamp, E. A. Helmkamp 2008-10-23 14277 Amador Comanche Parkway, 0.1 mile east of the junction with Coal Mine Road, north of Comanche Reservoir. 136 Comment
  SEINET13764947 Image available Diplacus aurantiacus June McCaskill 1956-1 404 Amador Over second hill on east side of road, 1/2 mile north od Ione on Placerville Road Comment
  CAS-BOT-BC152167  Diplacus bolanderi Geo. Hansen 1896-7-7 1809 Amador West Point Bridge, Mokelumne River and immediate tributaries. 701 Comment
  SD133258  Diplacus kelloggii David M. Thompson 1988-3-20 846 Amador 1.7 mi. W of Pine Grove-Volcano Road along Sutter Creek-Volcano Roadon roadbank 565 Comment
  SD7064  Diplacus kelloggii Brandegee 1886-5-1 Amador Amador Co., Calif. Comment
  CAS-BOT-BC153659  Diplacus mephiticus Geo. Hansen 1892-7-1 463 Amador Pedlar 1981 Comment
  SBBG7020  Diplacus mephiticus H. and M. Dearing 1941-8-6 4652 Amador Silver Lake 2194 Comment
  CAS-BOT-BC154020  Diplacus torreyi J. M. Tucker 1954-6-5 2706 Amador Ca. 5 miles below Cook's Station, beside Highway 88 1219 Comment
  CAS-BOT-BC154022  Diplacus torreyi D. E. Breedlove 1962-6-14 3641 Amador Along State Highway 88, 23 miles east of Pine Grove; Sierra Nevada 1645 Comment
  CAS-BOT-BC154023  Diplacus torreyi Geo. Hansen 1895-5-1 1124 Amador Grass Valley 914 Comment
  CAS-BOT-BC154024  Diplacus torreyi Geo. Hansen 1895-5-1 1125 Amador Ham's 1524 Comment
  SEINET8228837  Diplacus torreyi D. W. McNeal 1977-6-24 2072 Amador above Hwy. #88, 0.3 mi. s.w. of the Lumberyard R.S., El Dorado National For. Comment
  CHSC57246  Diplacus viscidus David M. Thompson 1988-5-16 899 Amador Ione. 0.5 mi N of Hwy 88 along Ione-Buena Vista Road, then 0.1 mi E along dirt road; unserveyed. 106 Comment
  OBI49337  Diplacus viscidus David M. Thompson 1988-5-16 899 Amador Ione. 0.5 mi N of hwy 88 along Ione-Buena Vista Rd, then 0.1 mi E along dirt rd; unsurveyed 107 Comment
  CDA7163  Dittrichia graveolens G. K. Helmcamp, E. A Helmcamp 2006-10-23 11567 Amador Central Valley/Northern Sierra Foothills; Along CA-16, 0.2 miles E of Waits Station, southwest of Plymouth. Comment
  UCD110493  Dodecatheon Christopher Mallek 2008-1 RP4- 44 Amador River Pines. 688 Comment
  CAS-BOT-BC136195  Dodecatheon alpinum W. Bryan Duncan 1927-8-1 s.n. Amador Vicinity of Silver Lake Comment
  UC570373  Dodecatheon clevelandii subsp. patulum Chas. M. Belshaw 1936-2-29 1526 Amador 2 3/4 mi e Ione (Ione formation, Sierra Nevada foothills); Sierra Nevada foothills, Jackson Quad. Comment
  CHSC36153  Dodecatheon hendersonii Hank Thompson 1980-4-5 10 Amador Intermittent population ca. 3.5 mi ne of Fiddletown, 1 mi n of Tyler Rd. 548 Comment
  UC105783  Dodecatheon hendersonii Geo. Hansen Apr 1895 986 Amador Agrc. Station Sequoia Region, Agrc. Station = Jackson (= Jackson) 609 Comment
  UC1123270  Dodecatheon hendersonii C. M. Belshaw 1936-2-29 1527 Amador 2 1/2 mi se Ione; Jackson Quadrangle 152 Comment
  UC445041  Dodecatheon hendersonii W. P. Taylor 1912-3-19 Amador 5 mi <?> Carbondale ((e or s of Carbondale)); <?> of Carbondale Comment
  UCR185217  Dodecatheon hendersonii George K. Helmkamp, E. A. Helmkamp 2007-4-23 11786 Amador Foothills, Northern Sierra Nevada Mountains, along Bell Road beside Plymouth Creek just east of Calif. Hwy 49 in the vicinity of Enterprise 302 Comment
  UCD33081  Downingia bicornuta var. bicornuta Beecher Crampton 1966-5-3 7695 Amador Amador County, ca. 4 miles S.W. of Ione on Jackson Vally road. Comment
  UCR136598  Downingia bicornuta var. bicornuta Beecher Crampton 1966-5-3 7708 Amador Northern Sierra Nevada foothills, 1 mile SW of Carbondale 61 Comment
  RSA6747  Downingia bicornuta var. picta C. B. Wolf 1933-5-24 4936 Amador 3.3 miles NW of Ione; West slope Sierra Nevada. 91 Comment
  SEINET3258013 Image available Draba verna George K. Helmkamp, E. A. Helmkamp 2008-3-12 13146 Amador Foothills, northern Sierra Nevada Mountains; 0.2 mile east of the junction of Bell Road and CA-49 at Enterprise; junction of Plymouth and Pigeon Creeks. 259 Comment
  UCD115563  Draba verna G. K. Helmkamp; E. A. Helmkamp 2007-3-10 11606 Amador Northern Sierra Nevada. Rattlesnake Bar Road, 3 miles southwest of Calif. Hwy 49, SW of Pilot Hill. 390 Comment
  CAS-BOT-BC159711  Drymocallis glandulosa Geo. Hansen VIII/ (illegible) 130 Amador Bear River 609 Comment
  CAS-BOT-BC527335  Drymocallis glandulosa var. reflexa Geo Hansen 1891-5-1 64 Amador French Garden 396 Comment
  SEINET4554108 Image available Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2008-1 13388 A Amador Sierra Nevada Mountains Foothills: along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir 774 Comment
  UC1015295  Dudleya cymosa Reid Moran 1951-5-5 3480 Amador s New York Ranch (New York Falls) Comment
  UC1127112  Dudleya cymosa G. T. Nordstrom 1936-6-1 815 Amador 2.5 mi ene Plymouth; Jackson Quadrangle 426 Comment
  UC933260  Dudleya cymosa Reid Moran and Edgar M. Baxter 1950-4-26 3466 Amador ca 1 mi upstream Ione (Sutter Creek) 121 Comment
  LA210126  Dudleya cymosa K. Nakai; 1980-4-19 394 Amador ca. 4.5 km N of the junction of California hwy 49 and Sutter Creek-Volcano Rd. on Sutter Creek-Volcano Rd 590.0 Comment
  UCR219181  Dudleya cymosa subsp. cymosa George K. Helmkamp, E. A. Helmkamp 2010-6-23 16347 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 7.2 miles northeast of its junction with old CA-49 in Sutter Creek village 473 Comment
  CAS-BOT-BC428068  Dudleya cymosa subsp. cymosa Vincent Jones 1920-6-1 s.n. Amador Plymouth, Rock Creek. Comment
  CAS-BOT-BC428211  Dudleya cymosa subsp. gigantea Reid Moran 1947-6-4 2252 Amador New York Falls, south of New York Ranch 548 Comment
  UCD98733  Dysphania botrys G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12772 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 0.9 mile northeast of the junction with Bear River Reservoir Road. 2076 Comment
  CAS-BOT-BC197055  Echinochloa crus-galli Ernest Braunton 1904-9-1 1241 Amador Vicinity of Ione 152 Comment
  UC39138  Echinochloa crus-galli Geo. Hansen 1892-1 601 Amador near Jackson; near Jackson Comment
  UCR240666  Echinochloa crus-galli George K. Helmkamp, E. A. Helmkamp 2012-10-5 19977 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 10.7 miles east of CA-49, in Sutter Creek 635 Comment
  CAS-BOT-BC197253  Echinochloa muricata var. microstachya Ernest Braunton 1904-7-1 1130 Amador Sutter Creek - Vicinity of Ione 152 Comment
  OBI72116  Eclipta prostrata Barbara Ertter, Fosiee Tahbaz 1990-11-4 9690 Amador SW Amador. Camanche Reservoir NE of Stockton, N shore public access 61 Comment
  SD211544  Eclipta prostrata Barbara Ertter, Fosiee Tahbaz 1990-11-4 9690 Amador Camanche Reservoir Northeast of Stockton, North Shore public access 60 Comment
  UC1949317  Eclipta prostrata Barbara Ertter with Fosiee Tahbaz 1990-11-4 9690 Amador Camanche Reservoir NE of Stockton, North Shore public access Comment
  UC1950372  Eleocharis acicularis var. acicularis Barbara Ertter with Fosiee Tahbaz 1990-11-4 9685 a Amador Camanche Reservoir NE of Stockton, North Shore public access Comment
  CAS-BOT-BC113449  Eleocharis bella Ernest Braunton 1904-7-1 1152 Amador Ione, up Sutter Creek Comment
  CAS-BOT-BC112778  Eleocharis macrostachya Ernest Braunton 1904-6-1 1058 Amador Grounds of Preston School, running water Comment
  RSA0081173  Eleusine tristachya George K. Helmkamp, E. A. Helmkamp 2006-10-6 11473 Amador Along Calif. Hwy 49, 1.1 miles south of Plymouth. 314 Comment
  CAS-BOT-BC237630  Elymus X saundersii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-8-10 54430 Amador Small lake on Carson Pass road just W of Carson Spur near Kirkwood 2407 Comment
  UCD61541  Elymus elymoides A. A. Beetle 1942-7-28 3761 Amador Between Silver and Twin Lakes. 1981 Comment
  SEINET3821591 Image available Elymus elymoides subsp. californicus George K. Helmkamp, E. A. Helmkamp 2012-1 19370 Amador Northern Sierra Nevada Mountains, Shot Rock Vista Rest Stop along CA-88 (Carson Pass Hwy), 1 mile west of the junction with Mormon Emigrant Trail (Tragedy Spring 7.5' Q 2329 Comment
  HSC40770  Elymus elymoides var. elymoides R. York 1977-8-11 48 Amador Along Hwy. 88, E of Lumberyard Ranger Sta. 1982 Comment
  SEINET4208568  Elymus glaucus D. W. McNeal 1982-8-30 2789 Amador Beside Hwy. #88, 1.2 miles E of Silver Lake Dam.; 0 Comment
  SEINET10554360  Elymus glaucus George Hansen 1893-1 Hansen 609 Amador 610 Comment
  SEINET4208566  Elymus glaucus subsp. glaucus D. W. McNeal 1987-8-20 3225 Amador Ca 200 m. E of Hwy. #88, 2.2 miles N of the Silver Lake Dam.; 0 Comment
  UCR173366  Elymus glaucus subsp. glaucus George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10359 Amador Northern Sierra Nevada Foothills, Along Calif. Hwy 88, 0.9 mi. south of the El Dorado County line at Enterprise 274 Comment
  UC1133026  Elymus multisetus G. T. Nordstrom 1936-6-10 836 Amador 0.6 mi sw Lockwood; Jackson Quadrangle Comment
  UCD62629  Elymus trachycaulus G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-8-10 3405 Amador Small lake on south side of Hwy 88, just west of Carson Spur; 1 mile west of road to Lake Kirkwood, 3.6 miles west of Silver Lake (bridge). 2407 Comment
  CAS-BOT-BC409190  Enemion occidentale Betty Stephens 1976-4-11 s.n. Amador Consumnes River, crossroad from Daffodil Hill to Fiddletown; Sierra Nevada Comment
  UCR258132  Epilobium angustifolium subsp. circumvagum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-8-4 19548 Amador Northern Sierra Nevada Mountains, West Lake Road along the west side of Silver Lake; 4.1 miles north of junction with Plasse Road 2247 Comment
  RSA0081167  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2006-10-6 11474 Amador Along Calif. Hwy 49, 1.1 miles south of Plymouth. 314 Comment
  UC66305  Epilobium brachycarpum Ernest Braunton August, 1904 1216 Amador vicinity of Ione 60 Comment
  UCR179745  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2006-10-6 11467 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 beside Big Indian Creek; 2.2 miles south of El Dorado County line 271 Comment
  UCR240707  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2012-10-5 19961 Amador Northern Sierra Nevada Mountains Foothills, city of Sutter Creek along old CA-49 (Hanford St.) at the junction with Spanish St. 389 Comment
  CAS-BOT-BC166822  Epilobium canum subsp. latifolium W. B. Duncan 1927-8-1 s.n. Amador Vicinity of Silver Lake Comment
  RSA764462  Epilobium canum subsp. latifolium Doris Bowers 1969-8-19 690 Amador Sierra Nevada. Lower Bear River Reservoir on Carson Pass. 1770 Comment
  UCD105622  Epilobium ciliatum G. K. Helmkamp; E. A. Helmkamp 2007-8-26 12811 Amador Northern Sierra Nevada Mountains. Along Hwy CA-49 at mile-20, 2.1 miles north of Plymouth; beside Blue Indian Creek. 299 Comment
  UCR250631  Epilobium ciliatum George K. Helmkamp, E. A. Helmkamp 2007-8-16 12762 Amador Northern Sierra Nevada Mountains, along the south side of Bear River Reservoir just east of the spillway 1777 Comment
  POM46403  Epilobium ciliatum subsp. ciliatum Geo. Hansen 1896-6-18 301 Amador Sequoia gigantea region: Pinegrove 671 Comment
  UCR241973  Epilobium densiflorum George K. Helmkamp, E. A. Helmkamp 2012-9-7 19774 Amador Northern Sierra Nevada Mountains Foothills, along CA-49 in Plymouth; 0.1 mile south of its junction with Fiddletown Rd./Plymouth-Shenandoah Rd. 303 Comment
  SEINET9716060  Epilobium densiflorum E. Braunton 1006 Amador Vicinity of Ione 61 Comment
  UCR234604  Epilobium foliosum George K. Helmkamp, E. A. Helmkamp 2011-8-6 18016 Amador Northern Sierra Nevada Mountains, along dirt road 0.3 mile east of Bear River Reservoir Road, from a point 0.7 mile south of CA-88 1986 Comment
  UCR241367  Epilobium glaberrimum subsp. glaberrimum George K. Helmkamp, E. A. Helmkamp 2012-6-26 19264 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.9 mile south of its junction with CA-88, S of Hwy 88/Carson Pass Hwy. and W of Lower Bear Reservoir 1617 Comment
  UCR253487  Epilobium glaberrimum subsp. glaberrimum George K. Helmkamp, Elizabeth Helmkamp 2013-7-6 20975 Amador Northern Sierra Nevada Mountains, Bear River Road at the south end of the dam for Lower Bear River Reservoir 1784 Comment
  UCD106491  Epilobium hallianum T. E. Weier 1940-7-25 s.n. Amador 2 miles south of Carson Spur. Comment
  SEINET4691395  Epilobium hornemannii subsp. hornemannii George K. Helmkamp, E. A. Helmkamp 2011-1 18014 Amador Northern Sierra Nevada Mountains: along dirt road 0.3 mile east of Bear River Reservoir Road, from a point 0.7 mile south of CA-88. 1986 Comment
  UCD110470  Epilobium minutum Christopher Mallek 2008-1 RP1- 5 Amador River Pines. 688 Comment
  CDA17038  Epilobium oregonense G. F. Hrusa, J. Glazner 2003-7-22 16108 Amador Sierra Nevada; Kirkwood Ski Resort, at base of ski runs. 2407 Comment
  SEINET3864994 Image available Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2008-6-9 13635 Amador Northern Sierra Nevada Mountains: Panther Creek Road, 0.6 mile south of its junction with CA-88, jct. is 4.0 miles east of Cook's Station (Peddler Hill 7.5' Q).; 0 1607 Comment
  POM119912  Equisetum laevigatum Geo Hansen 1893-7-29 933 Amador New York Falls 457 Comment
  UC42737  Equisetum laevigatum Geo. Hansen Amador Drytown Comment
  CAS-BOT-BC57510  Equisetum telmateia Geo. Hansen 1892-4-1 660 Amador Agrc. Station 609 Comment
  SEINET2473442 Image available Eragrostis pectinacea var. miserrima George K. Helmkamp, E. A. Helmkamp 2007-1 12818 Amador Northern Sierra Nevada Mountains Foothills; along Hwy CA-49 at the south end of Plymouth 320 Comment
  UCD65654  Eragrostis pectinacea var. miserrima Beecher Crampton 1954-8-3 2257 Amador Road shoulder, Willow Springs School, Hwy 16, 4 miles west of Drytown. Comment
  UCR191112  Eragrostis pectinacea var. miserrima George K. Helmkamp, E. A. Helmkamp 2007-8-26 12818 Amador Northern Sierra Nevada Mountains Foothills, along Hwy CA-49 at the south end of Plymouth 323 Comment
  CAS-BOT-BC284051  Eragrostis pectinacea var. pectinacea Roxana S. Ferris 1940-6-1 9849 Amador Hills between Clements and Ione Comment
  UC17606  Eremocarpus setiger W. L. Jepson 1902-10-8 Amador Gwin Mine Comment
  CAS-BOT-BC174091  Eremogone aculeata W. B. Duncan 1927-8-1 s.n. Amador Vicinity of Silver Lake Comment
  SD247323  Ericameria arborescens George K. Helmkamp, E. A. Helmkamp 2013-9-13 22295 Amador Northern Sierra Nevada Mountains Foothills: Fiddletown Road, 0.4 mile west of its junction with Shake Ridge Road. 977 Comment
  SEINET3245874  Ericameria arborescens G. K. Helmkamp, E. A. Helmkamp 2009-1 15625 Amador Northern Sierra Nevada Mountains: Panther Creek Road, 4.9 miles south of its junction with CA-88, 6.1 air mi. SW of Bear River Reservoir. 1483 Comment
  CAS-BOT-BC291270  Ericameria bloomeri W. B. Duncan 1927-8-1 s.n. Amador Vicinity of Silver Lake Comment
  CAS-BOT-BC291272  Ericameria bloomeri John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-8-10 54431 Amador On Carson Pass road just west of Carson Spur near Kirkwood 2407 Comment
  CAS-BOT-BC291273  Ericameria bloomeri Gwendolan Newell 1929-8-24 s.n. Amador Summit, Emigrant Trail, Silver Lake Comment
  CAS-BOT-BC291274  Ericameria bloomeri Gwendolan Newell 1929-8-1 s.n. Amador Silver Lake Comment
  POM289084  Ericameria bloomeri Lyman Benson 1931-8-26 2890 Amador Silver Lake, Sierra Nevada Mtn range. 2287 Comment
  POM359303  Ericameria bloomeri H. E. McMinn 1933-9-2 3236 Amador Silver Lake. Comment
  UCSB22850  Ericameria bloomeri McMinn, Howard 1937-9-25 Amador Silver Lake Comment
  CHSC69468  Ericameria nauseosa var. speciosa James D. Jokerst; Mary Sue Taylor 1988-8-20 3028 Amador Along road to E of Mud Lake, 0.3 mi SE of Y-junction at E end of lake. Comment
  UCSB24510  Ericameria nauseosa var. speciosa McMinn, Howard 1931-8-6 Amador Near summit of Sonora Pass Comment
  UCD131740  Erigeron breweri T. E. Weier 1940-7-25 s.n. Amador 2 miles south of Carson Spur. Comment
  UCR188510  Erigeron breweri George K. Helmkamp, E. A. Helmkamp 2007-7-17 12514 Amador Northern Sierra Nevada Mountains, along CA-88, 0.7 mile north of its junction with Mormon Emigrant Trail; Shot Rock trailhead 2325 Comment
  UCR233124B  Erigeron breweri George K. Helmkamp, E. A. Helmkamp 2011-8-6 17986 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR237735  Erigeron breweri var. breweri George K. Helmkamp, E. A. Helmkamp 2012-7-14 19384 Amador Northern Sierra Nevada Mountains, Shot Rock Vista Rest Stop along CA-88 (Carson Pass Hwy), 1 mile west of the junction with Mormon Emigrant Trail 2329 Comment
  CAS-BOT-BC297204  Erigeron coulteri Gwendolan Newell 1929-8-23 s.n. Amador Hidden Lake, Silver Lake Comment
  POM34382  Erigeron foliosus var. hartwegii Geo. Hansen 1896-7-17 1425 Amador New York Falls 457 Comment
  UC197102  Erigeron foliosus var. hartwegii Geo. Hansen 1896-6-6 1425 Amador New York Falls Sequoia Gigantea Region, New York Falls 457 Comment
  CAS-BOT-BC300635  Erigeron foliosus var. hartwegii 1892-1-1 s.n. Amador Hills near Carbondale Comment
  POM199571  Erigeron foliosus var. hartwegii H. L. Mason 1932-4-24 s.n. Amador Dry Creek Bridge between Ione and Latrobe Comment
  UC1118158  Erigeron inornatus var. inornatus C. M. Belshaw 1936-7-2 2411 Amador 2.2 mi ese of Volcano; Jackson Quadrangle 1005 Comment
  RSA121422  Erigeron inornatus var. inornatus P. L. Johannsen 1937-7-9 1212 Amador 3 miles N. N. W. of West Point; Jackson 1006 Comment
  UCR237086  Erigeron peregrinus subsp. callianthemus George K. Helmkamp, E. A. Helmkamp 2012-7-14 19417 Amador Northern Sierra Nevada Mountains, Tragedy Spring, near Carson Pass Hwy, along Tragedy Spring Road 0.3 mile east of its junction with CA-88 2421 Comment
  UCSB13199  Erigeron philadelphicus Breedlove, Dennis 1962-6-14 Amador Along State Highway 88, 2.0 miles east of Pine Grove; Sierra Nevada 792 Comment
  UCD19828  Eriodictyon californicum C. H. Lamoureux; J. McCaskill and R. Gankin 1956-5-2 1074 Amador 0.5 miles north of Ione on Placerville Road. Comment
  SEINET10537784  Eriogonum Mary Susan Taylor, James D. Jokerst 1988-8-19 Taylor 5909 Amador T9N R16E se/sw sec 19. Silver Lake quad. Small mudflow outcrop along road leading S from Mud Lake, 0.3 mi SE from Y jct at E end of Mud Lake, S of Tragedy Campground on Hwy 88. Red Fir Forest. Comment
  CAS-BOT-BC248649  Eriogonum apricum John Thomas Howell 1954-9-5 30033 Amador Unspecified Comment
  NY323155  Eriogonum apricum J. T. Howell 1954-9-5 30033 Amador 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
  SDSU5927  Eriogonum apricum D. F. Howe 1978-7-12 5066 Amador North base of hill just west of a point on route 104, 0.5 miles south of route 88. Comment
  UCD18585  Eriogonum apricum Roman Gankin 1955-10-16 78 Amador 2 mi. NE of Buena Vista on the old Jackson Hwy. This collection is from an area described as the 'Ione Plant Community,' located generally between Ione and Buena Vista. Comment
  RSA176266  Eriogonum apricum var. apricum Robert F. Thorne, Percy C. Everett 1964-4-16 33749 Amador 2 miles NE of Buena Vista, 5 miles SE of Ione Comment
  RSA239157  Eriogonum apricum var. apricum James L. Reveal 1972-7-30 2817 Amador 0.3 mile west of Jackson Valley Road, 1 mile south of Hwy 88 and 3 miles south of Ione 122 Comment
  CAS-BOT-BC263691  Eriogonum luteolum var. pedunculatum Ernest Braunton 1904-7-1 1166 Amador Grounds of Preston School Comment
  UC69921  Eriogonum marifolium Earle Mulliken Jul 27 1904-Aug 5 1904 125 Amador Silver Lake 2194 Comment
  SEINET3245865  Eriogonum nudum var. deductum G. K. Helmkamp, E. A. Helmkamp 2009-1 15618 Amador Northern Sierra Nevada Mountains: Bear River Road, 0.1 mile south of its junction with CA-88. 1797 Comment
  SEINET3246139  Eriogonum nudum var. oblongifolium G. K. Helmkamp, E. A. Helmkamp 2008-1 14306 Amador Northern Sierra Nevada Mountains Foothills: along CA-124 at the north noundary of Ione 91 Comment
  UC1032202  Eriogonum nudum var. oblongifolium C. M. Belshaw 1936-7-14 2569 Amador 0.7 mi ne Mokelumne Hill; Jackson Quadrangle Comment
  CAS-BOT-BC261709  Eriogonum nudum var. oblongifolium John Thomas Howell 1930-10-12 5596 Amador 7 miles northeast of Ione on road to Plymouth 152 Comment
  CAS-BOT-BC269837  Eriogonum nudum var. pubiflorum Geo. Hansen 1892-7-1 174 Amador Agr. Station 609 Comment
  CAS-BOT-BC269840  Eriogonum nudum var. pubiflorum James L. Reveal; Caroline G. Reveal 1972-7-30 2818 Amador Along the Irish Hill Road, 2.2 miles north of California Highway 104, about 4.5 miles northwest of Ione Comment
  RSA238643  Eriogonum nudum var. pubiflorum James L. Reveal, Caroline G. Reveal 1972-7-30 2818 Amador Along the Irish Hill Road, 2.2 miles north of California Highway 104, about 4.5 miles northwest of Ione Comment
  RSA131657  Eriogonum pedunculatum Peter H. Raven 1956-12-2 10525 Amador 6.7 miles north of Ione on road to Plymouth Comment
  UCD101167  Eriogonum roseum John Thomas Howell 1954-9-5 30031 Amador Ione Hills, 2 miles NNE of Buena Vista. Comment
  CAS-BOT-BC268612  Eriogonum spergulinum var. reddingianum Geo. Hansen 1893-10-1 703 Amador Corral Springs [handwriting not legible] 2286 Comment
  UCSB24508  Eriogonum umbellatum McMinn, H. 1932-9-9 Amador Silver Lake Comment
  OBI10944  Eriogonum umbellatum var. furcosum H. E. McMinn 1937-8-6 5048 Amador N of Mud Springs Comment
  CHSC69647  Eriogonum umbellatum var. modocense James D. Jokerst; Mary Sue Taylor 1988-8-20 3030 Amador Small mudflow outcrop along road to E of Mud Lake, 0.3 mi SE of Y-junction at E end of lake. Comment
  UC1280994  Eriogonum umbellatum var. nevadense H. E. McMinn 1933-9-3 3246 Amador along trail to Center Peak; Silver lake Comment
  UCD101497  Eriogonum umbellatum var. polyanthum G. K. Helmkamp 2007-6-29 12448 Amador Northern Sierra Nevada Mountains; south side of CA-88, 0.1 mile east of Carson Spur summit. 2424 Comment
  UCR190560  Eriogonum umbellatum var. polyanthum George K. Helmkamp 2007-6-29 12448 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.1 mile east of Carson Spur summit 2424 Comment
  UCR261981  Eriogonum umbellatum var. polyanthum George K. Helmkamp, Amy Barnes 2014-10-10 23137 Amador Northern Sierra Nevada Mountains, Bear River Road, 0.1 mile south of it juction with CA-88 1992 Comment
  HSC95520  Eriogonum wrightii var. subscaposum James D. Jokerst, Mary Sue Taylor 1988-8-20 3031 Amador Along rd. to E of Mud Lake, 0.3 mi. SE of Y jct. at E end of lake Comment
  UCR53370  Eriophyllum lanatum R. D. Goeden, Don W. Ricker 1988-9-7 880907- 12 Amador Sierra Nevada Mtns., El Dorado National Forest, at Carson Spur, south side of State Hwy 88 2400 Comment
  UCR173804  Eriophyllum lanatum var. achilleoides George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-29 10808 Amador Northern Sierra Nevada foothills, northbound along Calif. Hwy 26, 0.6 mile past the North Fork of Mokelumne River 732 Comment
  UC197170  Eriophyllum lanatum var. croceum Geo. Hansen 1895-6-10 1036 Amador Grass Valley Sequoia Gigantea Region, Grass Valley Comment
  UCR200905  Eriophyllum lanatum var. croceum George K. Helmkamp, E. A. Helmkamp 2008-8-30 14060 Amador Northern Sierra Nevada Mountains, along Cole Creek Road near the crossing of Cole Creek 6.8 miles east of the Bear River Reservoir dam 1857 Comment
  CAS-BOT-BC308142  Eriophyllum lanatum var. grandiflorum Geo. Hansen 1894-7-1 912 Amador Agric Sta. Comment
  CAS-BOT-BC308143  Eriophyllum lanatum var. grandiflorum Geo. Hansen 1895-5-1 1144 Amador Ham's Station 1524 Comment
  CAS-BOT-BC308144  Eriophyllum lanatum var. grandiflorum Geo. Hansen 1894-7-1 912 Amador Agric Sta. 609 Comment
  UC195867  Eriophyllum lanatum var. grandiflorum Geo. Hansen 1895-6-6 1499 Amador Savage Hill 670 Comment
  UC31681  Eriophyllum lanatum var. grandiflorum Geo. Hansen 1891-1 Amador Comment
  UCR230135  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, E. A. Helmkamp 2011-5-19 17291 Amador Lower Sierra Nevada Foothills, NW of Pardee Reservoir, 0.1 mile east of Rock Creek Road on a gravel spur leading to houses, 4.65 mi. SW (220 deg. ) of Jackson 280 Comment
  CAS-BOT-BC301462  Eriophyllum lanatum var. integrifolium D. E. Breedlove; M. Bourell; R. Patterson 1986-6-5 62615 Amador .6 mi E of Fiddletown Comment
  CAS-BOT-BC301463  Eriophyllum lanatum var. integrifolium W. Bryan Duncan 1927-7-1 s.n. Amador Vicinity of Silver Lake 2743 Comment
  SD234415  Erodium botrys G. K. Helmkamp, E. A. Helmkamp 2006-3-19 10091 Amador Northern Sierra Nevada Foothills: Along CA Highway 49 just S of Plymouth (Amador City 7.5' Q) 323 Comment
  SEINET3821627 Image available Erodium botrys George K. Helmkamp, E. A. Helmkamp 2010-3-26 15775 Amador Eastern San Joaquin Valley/ Sierra Nevada Foothills, low foothills along CA-16, 6.8 miles west of Plymouth near Forest Home Rd. (Irish Hill 7.5' Q) 177 Comment
  UCR184852  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2007-4-26 11821 Amador Foothills, northern Sierra Nevada Mountains, along Calif. E-16, 0.7 mile south of River Pines 610 Comment
  SEINET8566813  Erodium texanum H. R. Holbo 1961-3-31 s.n. Amador Horse Creek. 183 Comment
  UC66915  Eryngium castrense Ernest Braunton June 1904 1014 Amador vicinity of Ione 60 Comment
  SD131084  Erysimum capitatum D. E. Breedlove, M. Bourell, R. Patterson 1986-6-5 62626 Amador West slope of Carson Pass above Ham Station. 1980 Comment
  CAS-BOT-BC40742  Erysimum capitatum Geo. Hansen 1895-4-1 988 Amador Sequoia Region. Else Creek. 914 Comment
  SD7063  Erythranthe bicolor Brandegee May 1886 Amador Comment
  SD247506  Erythranthe cardinalis George K. Helmkamp, Elizabeth A. Helmkamp 2013-8-2 22071 Amador Northern Sierra Nevada Mountains Foothills: SE of Pioneer along CA-26, north side of North Fork Mokelumne River (Weset Point 7.5'Q) 627 Comment
  SD131164  Erythranthe floribunda D. E. Breedlove, M. Bourell, R. Patterson 1986-6-9 62820 Amador above Ham Station on W slope of Carson Pass 1980 Comment
  UC1278735  Erythronium multiscapideum G. L. Stebbins Jr. 1948-4-24 3921 Amador on s bank of river 3 mi s Latrobe (at county line, steep n-facing slope); Cosumnes River Comment
  CAS-BOT-BC402630  Eschscholzia caespitosa Geo. Hansen 1895-1-1 s.n. Amador Jackson 396 Comment
  CAS-BOT-BC402632  Eschscholzia caespitosa Geo. Hansen 1894-1-1 s.n. Amador Middle Fork 457 Comment
  CAS-BOT-BC402633  Eschscholzia caespitosa Geo. Hansen 1893-5-1 1325 Amador Middle Fork 457 Comment
  CAS-BOT-BC402634  Eschscholzia caespitosa Geo. Hansen 1896-4-11 1596 Amador Ione 91 Comment
  UC85497  Eschscholzia californica Geo. Hansen Jun 1895 1112 Amador Irishtown Sequoia Gigantea Region 457 Comment
  UCR173651  Eschscholzia californica George K. Helmkamp, Elizabeth Helmkamp 2006-4-7 10155 Amador Northern Sierra Nevada Foothills, ESE of Sacramento; 1.0 mi south of Plymouth along Calif. Hwy 49 326 Comment
  UCR259871  Eschscholzia californica George K. Helmkamp, Elizabeth Helmkamp 2013-10-18 22431 Amador Sierra Nevada Mountains Foothills, Plymouth, at the junction of Mineral Street and Mill Street, near Hwy CA-49 329 Comment
  CAS-BOT-BC402955  Eschscholzia californica Geo. Hansen 1895-5-1 1059 Amador Stoney [Stony] Creek 304 Comment
  CAS-BOT-BC402958  Eschscholzia californica Geo. Hansen 1893-5-1 82 Amador Jackson 396 Comment
  POM125692  Eschscholzia californica var. crocea Geo. Hansen 1896-3-26 1059 Amador Sequoia gigantea region: Stoney Creek 305 Comment
  CAS-BOT-BC419489  Eschscholzia lobbii Brandegee 1889-5-1 D Amador Ione Comment
  RSA748977  Eschscholzia lobbii George K. Helmkamp, E. A. Helmkamp 2007-4-23 11809 Amador junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  SBBG128845  Eschscholzia lobbii G. K. Helmkamp, E. A. Helmkamp 2010-4-3 15799 Amador 4.35 mi NE (31 deg) of Ione, jct of Tonzi Rd and CA-124 180 Comment
  CAS-BOT-BC419494  Eschscholzia lobbii Lewis S. Rose 1936-3-16 36031 Amador Halfway House 304 Comment
  POM125826  Eschscholzia lobbii Geo. Hansen 1893-4-10 1309 Amador Sequoia gigantea region: Middle Fork 396 Comment
  CAS-BOT-BC312026  Eucephalus breweri W. B. Duncan 1927-8-1 s.n. Amador Vicinity of Silver Lake Comment
  UC912308  Eucephalus breweri Herbert L. Mason 1933-9-3 7277 Amador Silver Lake Sierra Nevada Mountains Comment
  UCD132277  Eucephalus breweri G. K. Helmkamp; E. A. Helmkamp 2007-7-17 12516 Amador Northern Sierra Nevada Mountains: along CA-88, 0.7 mile north of its junction with Mormon Emigrant Trail; Shot Rock trailhead. 2325 Comment
  UCR188713  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2007-7-17 12516 Amador Northern Sierra Nevada Mountains, along CA-88, 0.7 mile north of its junction with Mormon Emigrant Trail; Shot Rock trailhead 2325 Comment
  UCR242788  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2010-9-1 16914 Amador Northern Sierra Nevada Mountains, Dufrene Road 0.7 mile east of its junction with CA-88, north of Lower Bear River Reservoir 2044 Comment
  UCR249561  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2007-8-16 12755 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 3.5 miles south of its junction with Mormon Emigrant Trail 2146 Comment
  UCR252967  Eucephalus breweri George K. Helmkamp, Elizabeth Helmkamp 2013-7-6 20972 Amador Northern Sierra Nevada Mountains, Bear River Road at the south end of the dam for Lower Bear River Reservoir 1784 Comment
  CDA4834  Euphorbia marginata R. D. Henderson 1970-8-7 Amador R. D. Henderson property, Previtali Road, Jackson. 0 Comment
  UCR182147  Euphorbia nutans George K. Helmkamp, E. A. Helmkamp 2006-10-23 11566 Amador Central Valley/ Northern Sierra Nevada Foothills, along Calif. Hwy 16, 0.2 mile east of Waits Station, southwest of Plymouth 305 Comment
  RSA725740  Euphorbia oblongata George K. Helmkamp, E. A. Helmkamp 2006-10-8 11500 Amador Northern Sierra Nevada Mountains Foothills: along Hwy CA-26, 0.6 mile west of North Fork of the Mokelumne River. 732 Comment
  UCD142414  Euphorbia oblongata G. K. Helmkamp; E. A. Helmkamp 2006-10-8 11500 Amador Northern Sierra Nevada Mountains Foothills; along Hwy CA-26; 0.6 mile west of North Fork of the Mokelumne River. 732 Comment
  CAS-BOT-BC520338  Euphorbia serpillifolia subsp. serpillifolia George K. Helmkamp; E. A. Helmkamp 2012-9-20 19878 Amador Northern Sierra Nevada Mountains Foothills: along Hwy E-26 (Red Corral/West Point-Pioneer Rd) just N of the bridge over the North Fork Mokelumne River 612 Comment
  CAS-BOT-BC520348  Euphorbia serpillifolia subsp. serpillifolia George K. Helmkamp; E. A. Helmkamp 2012-10-5 19989 Amador Northern Sierra Nevada Mountains Foothills: Fiddletown Rd, 1.5 mi W of Fiddletown 466 Comment
  UCR258973  Euphorbia serpillifolia subsp. serpillifolia George K. Helmkamp, Amy Barnes 2014-10-10 23132 Amador Northern Sierra Nevada Mountains, west side of Bear River Reservoir, 0.2 mile north of the dam 1796 Comment
  CDA15397  Euphorbia spathulata G. F. Hrusa, J. Hart, M. Tu 1997-4-26 13687 Amador Central Valley; N side of Michigan Bar Rd., ~1/2 mi. W of intersection of Twin Cities Rd. approx. 2 miles W of Ione nr. Sac. Co. boundary. Comment
  CHSC67875  Eurybia integrifolia James D. Jokerst; Mary Sue Taylor 1988-8-20 3018 A Amador Shotrock Vista S and adjacent to Hwy.89. Comment
  SD197698  Euthamia occidentalis G. K. Helmkamp, E. A. Helmkamp 2008-10-23 14282 Amador San Joaquin Valley: unnamed dirt road 0.1 mile west of Buena Vista Road, 1.9 miles north of Jackson Valley Road. 128 Comment
  CAS-BOT-BC458286  Euthamia occidentalis Ernest Braunton 1904-8-1 1214 Amador Preseton School of Industry, Waterman: on school grounds Comment
  UCR209520  Festuca dertonensis George K. Helmkamp, E. A. Helmkamp 2008-6-9 13629 B Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.1 mile south of its junction with CA-88, jct. is 4.0 miles east of Cook's Station 1652 Comment
  UCR246565  Festuca microstachys George K. Helmkamp, E. A. Helmkamp 2012-6-6 19125 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.1 miles west of Cooks Station 1439 Comment
  SEINET3856785 Image available Festuca myuros George K. Helmkamp, E. A. Helmkamp 2011-6-7 17465 Amador Northern Sierra Nevada Mountains Foothills: Pine Gulch Road, 0.5 mile N of its intersection with Sutter Creek Road 457 Comment
  SEINET3271546 Image available Festuca myuros var. hirsuta George K. Helmkamp, E. A. Helmkamp 2007-4-5 11745 Amador Foothills, Northern Sierra Nevada Mountains; along CA-49, 0.2 mile west of Amador City 309 Comment
  UCR253508  Festuca myuros var. hirsuta George K. Helmkamp 2014-4-5 22654 A Amador Sierra Nevada Foothills, junction of Tonzi Road and CA-124, NE of Ione 201 Comment
  UCR272996  Festuca myuros var. hirsuta George K. Helmkamp 2014-3-14 22560 Amador Eastern Sacramento Valley/Sierra Nevada Foothills, along Hwy E-16, 0.6 mile southwest of the junction with CA-49, c. 2.5 mi southwest of Plymouth 250 Comment
  SEINET10553265  Festuca ovina George Hansen Hansen 605 Amador Silver Lake. Comment
  SEINET13262606 Image available Festuca perennis George K. Helmkamp, Mary Alice Barnes 2013-1 20607 Amador Stony Creek Road, 3.6 miles southwest of Jackson 293 Comment
  UCR174007  Festuca rubra George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10338 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  UCR230104  Filago gallica George K. Helmkamp, E. A. Helmkamp 2011-5-19 17302 Amador Lower Sierra Nevada Foothills, NW of Pardee Reservoir, 0.1 mile east of Rock Creek Road on a gravel spur leading to houses, 4.65 mi. SW (220 deg. ) of Jackson 280 Comment
  RSA620403  Filago gallica B. Anderson 1985-5-25 2758 Amador Shake Ridge Road, 1.7 miles east of Sutter Creek 534 Comment
  SEINET190343  Filago gallica H. L. Mason 1932-4-25 6992 Amador Hill abobe Ione Comment
  UCR205160  Foeniculum vulgare George K. Helmkamp, E. A. Helmkamp 2008-10-30 14304 Amador Northern Sierra Nevada Mountains Foothills, junction of CA-49 and Fiddletown Road at the north end, but within the city limits, of Plymouth 311 Comment
  CAS-BOT-BC62928  Frangula californica subsp. tomentella Alice Eastwood 1921-3-19 10136 Amador Ione. Comment
  CAS-BOT-BC62931  Frangula californica subsp. tomentella Geo. Hansen 1892-1-1 194 Amador New York Falls. 609 Comment
  CAS-BOT-BC53813  Frangula rubra Hansen 1892-8-1 195 Amador unspecified Comment
  UCD121452  Frasera speciosa Mrs. Flora Hayes 1936-7-4 s.n. Amador Silver Lake. Comment
  UC119832  Fritillaria micrantha Geo. Hansen 1893-4-7 51 Amador New York Falls; Sequoia Region, New York Falls 609 Comment
  CAS-BOT-BC505282  Fritillaria micrantha J. G. Williamson 1894-1-1 s.n. Amador N.Y. Falls 609 Comment
  CAS-BOT-BC505283  Fritillaria micrantha George Hanson 1893-4-1 51 Amador New York Falls 609 Comment
  CAS-BOT-BC227109  Galium aparine George K. Helmkamp; E. A. Helmkamp 2011-5-10 17244 Amador Northern Sierra Nevada Mountains Foothills: along Sutter Creek near Sutter Creek Rd., 2.9 air miles NE (68 deg. ) of town of Sutter Creek 412 Comment
  SEINET3828368  Galium aparine George K. Helmcamp, E. A. Helmkamp 2012-1 18797 Amador Foothills, northern Sierra Nevada Mountains: Fiddletown Road 0.2 mile east of its junction with County Roa E-16, c. 0.7 mi E. of HWY 49 at Plymouth (Amador City 7.5') 416 Comment
  UCR173603  Galium aparine George K. Helmkamp, Elizabeth Helmkamp 2006-4-7 10169 A Amador Northern Sierra Nevada Foothills, E of Sacramento, SW of Shenandoah Valley; along Calif. Hwy 49, c. 4.5 mi north of Plymouth 341 Comment
  UCR218177  Galium aparine George K. Helmkamp, E. A. Helmkamp 2010-5-31 16179 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 3.3 miles east of the village of Sutter Creek 413 Comment
  UCR235285  Galium aparine George K. Helmkamp, E. A. Helmkamp 2012-4-19 18797 Amador Foothills, northern Sierra Nevada Mountains, Fiddletown Road, 0.2 mile east of its junction with County Road E-16, c. 0.7 mi. E of Hwy 49 at Plymouth 416 Comment
  JEPS29529  Galium bolanderi Paul C. Hutchison 1962-4-28 2392 Amador along Gopher Gulch rd near Rancheria Creek (between Sutter Creek and Daffodil Hill) 670 Comment
  UC903099  Galium bolanderi Ethel Crum 1937-6-13 1937 Amador 19 mi ne Jackson; Sierra Nevada, Buckhorn Lodge 914 Comment
  UCR219025  Galium bolanderi George K. Helmkamp, E. A. Helmkamp 2010-6-23 16351 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 9.5 miles northeast of its junction with old CA-49 in Sutter Creek village 576 Comment
  UCR230071  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2011-5-19 17306 Amador Lower Sierra Nevada Foothills, Rock Creek Road, 2.8 miles northeast of the junction with Pardee Dam Road, 4.9 mi. SW (221 deg. ) of Jackson 305 Comment
  CAS-BOT-BC444022  Galium triflorum George K. Helmkamp; Elizabeth Helmkamp 2013-7-6 20977 Amador Northern Sierra Nevada Mountains: Bear River Road at the south end of the dam for Lower Bear River Reservoir. 543 Comment
  UCD121951  Galium triflorum G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12758 Amador Northern Sierra Nevada Mountains: along the south side of Bear River Reservoir just east of the spillway. 1777 Comment
  UCD112593  Gastridium phleoides Christopher Mallek 2008-4-30 RP7- 15 Amador River Pines. 688 Comment
  SEINET10930367  Gastridium phleoides George Hansen 1894-1 Hansen 614 Amador Agricultural Station. 610 Comment
  UC1132036  Gastridium ventricosum R. D. Roseberry 1935-5-6 148 Amador 3 1/2 mi wsw Buena Vista; Jackson Quadrangle Comment
  UCD103652  Gayophytum diffusum subsp. parviflorum G. K. Helmkamp; E. A. Helmkamp 2007-7-17 12520 Amador Northern Sierra Nevada Mountains: along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake. 2316 Comment
  UCD103676  Gayophytum diffusum subsp. parviflorum G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12739 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail. 2172 Comment
  UCR188473  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2007-7-17 12520 Amador Northern Sierra Nevada Mountains, along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake 2317 Comment
  UCR237288  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2012-7-2 19312 Amador Northern Sierra Nevada Mountains, Bear River Road, 0.1 mile east of the south end of the dam of Lower Bear River Reservoir 1776 Comment
  UCR253543  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, Elizabeth Helmkamp 2013-7-6 20957 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.6 mile south of its junction with Hwy CA-88 1633 Comment
  RSA112976B  Gayophytum eriospermum Percy C. Everett, E. K. Balls 1956-7-14 22186 Amador 7.6 miles northeast from Pioneer Station, State Highway 88, Carson Pass road. 1296 Comment
  UCR197356  Gayophytum humile George K. Helmkamp 2008-6-17 13660 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UCR219051  Gayophytum humile George K. Helmkamp, E. A. Helmkamp 2010-7-13 16527 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  POM271773  Gayophytum humile Lyman Benson 1931-8-21 2829 Amador Sierra Nevada Mt. Silver Lake. 2287 Comment
  SEINET8726287 Image available Gayophytum lasiospermum H. J. Oosting 1941-1 2174 Amador Carson Spur, 4 mi. w. of Kit Carson Pass 2469 Comment
  CAS-BOT-BC226253  Geranium dissectum George K. Helmkamp; E. A. Helmkamp 2011-5-19 17303 Amador Lower Sierra Nevada Foothills: Rock Creek Road, 2.8 miles northeast of the junction with Pardee Dam Road, 4.9 mi. SW (221 deg. ) of Jackson 305 Comment
  UCD103340  Geranium dissectum G. K. Helmkamp; Elizabeth Helmkamp 2006-4-7 10157 Amador Northern Sierra Nevada Foothills: ESE of Sacramento, 1.0 mi S of Plymouth along CA Hwy 49. 326 Comment
  UCR173665  Geranium dissectum George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10333 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  UCR242318  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-6-17 17612 Amador Northern Sierra Nevada Mountains Foothills, junction of Pine Grove to Volcano Road and Aqueduct Road, 0.76 mi. ENE (86 deg. ) of Pine Grove 777 Comment
  UCD103414  Geranium molle G. K. Helmkamp; Elizabeth Helmkamp 2006-4-7 10168 Amador Northern Sierra Nevada Foothills: E of Sacramento, SW of Shenandoah Valley; Along CA Hwy 49, ca. 4.5 mi N of Plymouth. 341 Comment
  UCR173605  Geranium molle George K. Helmkamp, Elizabeth Helmkamp 2006-4-7 10168 Amador Northern Sierra Nevada Foothills, E of Sacramento, SW of Shenandoah Valley; along Calif. Hwy 49, c. 4.5 mi north of Plymouth 341 Comment
  UCR256484  Geranium robertianum George K. Helmkamp, Amy Barnes 2014-5-8 22837 Amador Sacramento Valley/Sierra Nevada Foothills, Tonzi Road, 0.4 mile east of its junction with CA-124, 4.5 air miles NE (35 deg. ) of Ione 188 Comment
  POM275684  Geum macrophyllum Lyman D. Benson 1931-8-23 s.n. Amador Silver Lake, Sierra Nevada Mts. 2287 Comment
  UCD113305  Geum triflorum T. E. Weier 1940-7-25 s.n. Amador 2 mi. So. Of Carson Spur. Comment
  RSA0013371  Gilia capitata George K. Helmkamp, E. A. Helmkamp 2010-9-1 16883 Amador Northern Sierra Nevada Mountains: along CA-88, 2.6 miles southwest of its junction with Mormon Emigrant Trail, e. 2.75 mi NNW of Upper Bear River Reservoir. 2162 Comment
  SD260289  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2012-6-6 19136 Amador Northern Sierra Nevada Mountains: Panther Creek Road, 1.5 miles south of its junction with CA-88, 5.0 mi. west (267a^z) of Bear River Reservoir dam. 1590 Comment
  SEINET11266058  Gilia capitata subsp. mediomontana George Helmkamp, E. A. Helmkamp 2012-6-26 19272 Amador Northern Sierra Nevada Mountains: Panther Creek Road, 0.9 mile south of its junction with CA-88/Carson Pass Hwy. and W of Lower Bear Reservoir (Peddler Hill 7.5 Q.); 0 1617 Comment
  SBBG122309  Gilia capitata subsp. pedemontana G. K. Helmkamp with E. A. Helmkamp 2008-5-8 13426 Amador St Hwy 26, 1 mi W of Calaveras County line 709 Comment
  UC188520  Gilia capitata subsp. pedemontana Geo. Hansen 1896-6-8 1160 Amador Irishtown Sequoia Gigantea Region, Irishtown 457 Comment
  UCR217846  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2010-5-31 16184 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 3.3 miles east of the village of Sutter Creek 413 Comment
  RSA748899  Gilia leptalea George K. Helmkamp, E. A. Helmkamp 2007-7-17 12518 Amador along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake 2317 Comment
  UCR197355  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2008-6-23 13715 Amador Northern Sierra Nevada Mountains, Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 Comment
  UCR200903  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2008-8-30 14056 Amador Northern Sierra Nevada Mountains, along Cole Creek Road near the crossing of Cole Creek 6.8 miles east of the Bear River Reservoir dam 1857 Comment
  UCR190210  Gilia sinistra subsp. sinistra George K. Helmkamp, E. A. Helmkamp 2007-9-4 12892 Amador Northern Sierra Nevada Mountains, along CA-88 at Mile-49, 3.1 miles east of Hams Station 1860 Comment
  CAS-BOT-BC520365  Gilia tricolor subsp. diffusa George K. Helmkamp 2014-4-5 22655 Amador Sierra Nevada Foothills: jct of Tonzi Rd and CA-124, NE of Ione 201 Comment
  SBBG129274  Gilia tricolor subsp. diffusa G. K. Helmkamp, A. Barnes 2014-5-8 22835 Amador Tonzi Rd, 0.4 mi E of its jct with CA 124, 4.5 air mi NE (35 deg) of Ione 188 Comment
  SEINET7072518  Gilia tricolor subsp. diffusa A. G. Vestal 1963-5-5 s.n. Amador Along Little Indian Creek. About 23.7 miles west of Plymouth. Coordinate datum: NAD 27. UTM Zone 10, 682518mE, 4261592mN. Comment
  UCR208318  Gilia tricolor subsp. tricolor George K. Helmkamp, E. A. Helmkamp 2009-3-26 14477 Amador San Joaquin Valley, along CA-88, 0.4 mile northeast of the San Joaquin Co. line 81 Comment
  UCR233196  Gilia tricolor subsp. tricolor George K. Helmkamp, E. A. Helmkamp 2010-4-7 15841 Amador Northeast San Joaquin Valley, along CA-88, 0.9 mile northeast of the San Joaquin County line 84 Comment
  UC173713  Githopsis diffusa Geo. Hansen 1895-4-1 1271 Amador Lancha Plane Sequoia Region 91 Comment
  CAS-BOT-BC266545  Githopsis pulchella Geo. Hansen 1895-6-1 1277 Amador Grass Valley 914 Comment
  CAS-BOT-BC266548  Githopsis pulchella Lincoln Constance 1941-5-27 2819 Amador S Fork of Jackson Creek, 4 miles below Clinton, Sierra Nevada foothills 457 Comment
  SBBG69594  Githopsis pulchella L. Constance 1941-5-27 2819 Amador S fork of Jackson Crk, 4 mi below Clinton 457 Comment
  CAS-BOT-BC266558  Githopsis pulchella Rimo Bacigalupi; et al. 1951-5-13 3328 Amador Along State Highway 16, 0.6 mile E of junction with dirt road going off N to Latrobe, drainage of WIllow Creek 207 Comment
  JEPS74836  Githopsis pulchella subsp. pulchella L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1975-5-22 4046 Amador 2 mi w Route 16 junction with Route 49 (just e of site of Waits Station) Comment
  UCR230972  Githopsis pulchella subsp. pulchella George K. Helmkamp, E. A. Helmkamp 2011-6-7 17476 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 3.4 miles west of Volcano 491 Comment
  POM264792  Githopsis pulchella subsp. pulchella Lincoln Constance 1941-5-27 2819 Amador S Fork of Jackson Creek, 4 miles below Clinton, Sierra Nevada foothills. 457 Comment
  RSA29031  Githopsis pulchella subsp. pulchella Lincoln Constance 1941-5-27 2819 Amador S Fork of Jackson Creek, 4 miles below Clinton, Sierra Nevada foothills. 457 Comment
  SEINET10464506  Githopsis pulchella subsp. pulchella Crosby 1952-5-4 CROSBY 29 Amador 3.5 miles northwest of Drytown, on state route 16 244 Comment
  SEINET10464507  Githopsis pulchella subsp. pulchella Otis 1922-5-30 OTIS 1228 Amador Between Jackson and Mokelumne River 305 Comment
  NY546994  Githopsis specularioides var. glabra G. Hansen 1893-6-17 494 Amador Antelope 1280.2 Comment
  CAS-BOT-BC280550  Glyceria elata W. Bryan Duncan 1927-8-1 s.n. Amador Vicinity of Silver Lake Comment
  UCR53368  Gnaphalium canescens subsp. beneolens R. D. Goeden, Don W. Ricker 1988-9-7 s.n. Amador Sierra Nevada Mtns., El Dorado National Forest, at Silver Lake, north side of State Hwy 88 2200 Comment
  UCR200906  Gnaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2008-8-30 14061 Amador Northern Sierra Nevada Mountains, along Cole Creek Road near the crossing of Cole Creek 6.8 miles east of the Bear River Reservoir dam 1857 Comment
  POM292491  Gnaphalium palustre Lyman Benson 1931-8-24 2858 Amador Silver Lake; Sierra Nevada Mt. Range. 2287 Comment
  CAS-BOT-BC305295  Grindelia hirsutula C. A. G. 1903-6-6 s.n. Amador Near Plymouth Comment
  CAS-BOT-BC305298  Grindelia hirsutula D. E. Breedlove; M. Bourell; R. Patterson 1986-6-5 62612 Amador .6 mi E of Fiddletown Comment
  SEINET8770797 Image available Grindelia hirsutula E. Braunton 1007 Amador Vicinity of Ione 61 Comment
  SEINET3146843  Grindelia hirsutula E. Mulliken 1904-1 113 Amador Sierra Nevada Mts., Caminetti Ranch, near Jackson 488 Comment
  UCR174004  Grindelia hirsutula var. davyi George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-29 10809 Amador Northern Sierra Nevada foothills, northbound along Calif. Hwy 26, 0.6 mile past the North Fork of Mokelumne River 732 Comment
  UCR219182  Grindelia nana George K. Helmkamp, E. A. Helmkamp 2010-6-23 16364 Amador Sierra Nevada Mountains Foothills, Rams Horn Grade, 1.8 rd. miles northeast of Volcano at the junction with Sutter Creek Road 730 Comment
  UCR237272  Hackelia floribunda George K. Helmkamp, E. A. Helmkamp 2012-7-14 19394 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
  CAS-BOT-BC282854  Hainardia cylindrica Beecher Crampton 1957-5-28 4087 Amador Near King Store, 1 mile south of Carbondale, 5.1 miles northwest of Ione Comment
  UCD37127  Hainardia cylindrica Beecher Crampton 1957-5-28 4087 Amador Amador County, 5.1 miles northwest of Ione, 1 mile south of Carbondale, near King Store. Comment
  CAS-BOT-BC438811  Helenium bigelovii George K. Helmkamp; Elizabeth Helmkamp 2013-7-6 20994 Amador Northern Sierra Nevada Mountains: Bear River Road, 1.5 road miles east of the dam for Lower Bear River Reservoir. 1837 Comment
  UC193488  Helenium bigelovii Geo. Hansen 1895-7-28 1173 Amador Crow Point Sequoia Gigantea Region, Mokelumne River, Crow Point 457 Comment
  UCD38415  Helenium puberulum B. Crampton 1954-8-3 2244 Amador Clinton. Comment
  UCD83281  Helenium puberulum CNPS SSN-SJV Foothill Team 2008-7-28 313 Amador Amador County; Near Ione. BLM parcel 2 - off of Carbondale Rd. 50 Comment
  CAS-BOT-BC314746  Helianthella californica var. nevadensis Geo. Hansen 1891-1-1 167 Amador Agr. Station Comment
  CAS-BOT-BC223915  Helianthemum scoparium Geo. Hansen 1896-9-1 1995 Amador Ione 91 Comment
  SEINET10680878  Helianthemum suffrutescens Unknown Schreiber 2243 Amador Dry slope 5.5 miles west southwest of Bisbee Peak 1524 Comment
  CAS-BOT-BC305344  Helianthus annuus Mary Strong Clemens 1920-9-14 s.n. Amador Ione Comment
  CAS-BOT-BC305504  Helianthus bolanderi Geo. Hansen 1892-7-1 784 Amador Pioneer 1219 Comment
  CAS-BOT-BC305597  Helianthus californicus G. Hansen 1893-8-1 785 Amador Unspecified 914 Comment
  CAS-BOT-BC314959  Hemizonella minima Geo. Hansen 1893-7-1 413 Amador Agr. Station 609 Comment
  SEINET2441402  Hemizonia fitchii George K. Helmkamp, E. A. Helmkamp 2009-8-24 15524 Amador Sierra Nevada Mountains Foothills: along CA-49 at the junction with Fiddletown Road in the city of Plymouth (Amador ity 7.5' Q.). 314 Comment
  CDA17006  Heracleum lanatum G. F. Hrusa, J. Glazner 2003-7-22 16085 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  CAS-BOT-BC310132  Hesperevax acaulis H. L. Mason 1932-4-24 6981 Amador Three miles south of Ione Comment
  UC1130233  Hesperolinon micranthum P. L. Johannsen 1937-7-9 1240 Amador 3 mi nnw West Point; Jackson Quad. 1005 Comment
  UC29097  Heterocodon rariflorum C. C. Parry 1888-1 Amador Ione Comment
  CAS-BOT-BC143624  Heteromeles arbutifolia Ernest Braunton 1904-9-1 1226 Amador Vicinity of Ione 152 Comment
  SEINET4178548 Image available Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2011-6-17 17603 Amador Northern Sierra Nevada Mountains Foothills: along CA-26, 0.1 mile west of the Calaveras Co. line at the bridge over the North Fork Mokelumne River, 1.6 mi. SE of Pioneer. 652 Comment
  UCD113313  Heteromeles arbutifolia R. Collins; R. Woodward 1987-2-16 1155 Amador Werner Jasper property. 73 Comment
  UCR170565  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2005-9-1 9839 Amador Northern Sierra Nevada Foothills, Climax road at Taves Road, 0.3 mi west of Calif. Highway 88 (ESE of Sacramento and c. 13 miles NE of Jackson) 701 Comment
  UCR230755  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2010-10-1 17001 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 0.3 mile southwest of its junction with Quartz Mountain Road, 4.25 mi. NE (47 deg. ) of Sutter Creek 527 Comment
  CAS-BOT-BC143627  Heteromeles arbutifolia Hansen 1891-5-1 904 Amador unspecified Comment
  CAS-BOT-BC310251  Heterotheca John Thomas Howell 1954-9-5 30035 Amador Near Ione 91 Comment
  JEPS20387  Heterotheca grandiflora W. L. Jepson 1923-5-30 9963 Amador Mokeleumne River bridge near Comanche Comment
  UCR235291  Heterotheca grandiflora George K. Helmkamp, E. A. Helmkamp 2011-11-21 18472 Amador Northeastern San Joaquin Valley, c. 3 miles airline SW of Ione along CA-88, 4.0 miles southwest of its junction with CA-104, NE of Jackson Valley Rd., near a large open-pit mine 82 Comment
  UCR170566  Heterotheca oregona var. rudis George K. Helmkamp, E. A. Helmkamp 2005-9-1 9840 Amador Northern Sierra Nevada Foothills, Climax road at Taves Road, 0.3 mi west of Calif. Highway 88 (ESE of Sacramento and c. 13 miles NE of Jackson) 701 Comment
  SEINET10722350  Hieracium albiflorum Karen M. Meyer, Andrew Townesmith 2007-8-10 Meyer 209 Amador El Dorado National Forest, Thunder Mountain Trail head off California Hwy. 88. 2517 Comment
  SEINET4560806  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2010-1 16916 Amador Northern Sierra Nevada Mountains: Dufrene Road 0.7 mile east of its junction with CA-88 north of Lower Bear River Reservior 2044 Comment
  CAS-BOT-BC312326  Hieracium albiflorum Geo. Hansen 1892-5-1 381 Amador Agr. Station 609 Comment
  SEINET5625846 Image available Hieracium albiflorum Unknown 1904-1 150 Amador Silver Lake, around 7,200 feet Comment
  CAS-BOT-BC319751  Hieracium argutum G. Hansen 1893-7-1 1161 Amador Crow Point Comment
  CAS-BOT-BC6278  Hoita macrostachya George Hansen 1896-10-9 1500 Amador New York Falls 457 Comment
  UC82421  Hoita orbicularis Geo. Hansen Jun 1893 4 Amador Pine Grove Sequoia Gigantea Region 701 Comment
  UCR230753  Hoita orbicularis George K. Helmkamp, E. A. Helmkamp 2010-10-1 16998 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road, 2.5 mi. NW (285 deg. ) of Volcano 692 Comment
  CAS-BOT-BC320291  Holocarpha virgata R. F. Hoover 1940-5-19 4393 Amador 3 mi. w. of Ione Comment
  UCSB28667  Holocarpha virgata Tanowitz, B. 1974-8-14 Amador 37 miles east of Stockton on Highway 88 182 Comment
  JEPS119448  Holocarpha virgata subsp. virgata George K. Helmkamp with E. A. Helmkamp 2008-10-23 14274 Amador San Joaquin Valley: 0.3 miles north of the gated entrance to the North Shore Residence area of Comanche Reservoir. Comment
  JEPS12554  Holocarpha virgata subsp. virgata R. F. Hoover 1938-7-30 3706 Amador 4 mi sw Ione Comment
  SD247328  Holocarpha virgata subsp. virgata George K. Helmkamp, E. A. Helmkamp 2013-9-13 22296 Amador Northern Sierra Nevada Mountains Foothills: Fiddletown Road, 1.4 miles southeast of Fiddletown. 587 Comment
  SEINET2441343  Holocarpha virgata subsp. virgata George K. Helmkamp, E. A. Helmkamp 2009-8-24 15523 Amador Sierra Nevada Mountains Foothills: along CA-49 at the junction with Fiddletown Road in the city of Plymouth (Amador City 7.5' Q.). 314 Comment
  SEINET11259343 Image available Holozonia filipes E. Braunton 1052 Amador Vicinity of Ione 152 Comment
  UCD36434  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-7-30 1564 Amador At Tragedy Springs, along Highway 88. 2438 Comment
  UCD85282  Hordeum brachyantherum subsp. brachyantherum A. A. Beetle 1942-7-27 3756 Amador El Dorado National Park. 8 miles west of Silver Lake. 1981 Comment
  UCD85361  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-7-30 1564 Amador At Tragedy Springs, along Highway 88. 2438 Comment
  UC1132519  Hordeum marinum subsp. gussoneanum G. T. Nordstrom 1936-4-27 768 Amador 1 1/4 mi nw Sugar Loaf; Jackson Quad. Comment
  SEINET10611047  Hordeum marinum subsp. gussoneanum George Hansen 1896-6-17 Hansen 1740 Amador New York Falls. 457 Comment
  UCD86219  Hordeum murinum subsp. leporinum Beecher Crampton 1968-3-14 8230 Amador 1/2 miles W of Sunnybrook, State Hwy. 88. Comment
  CDA17155  Horkelia californica subsp. dissita G. F. Hrusa, J. Glazner 2001-6-7 15870 Amador Ione Region; Sutter Ione Rd. 0.6 mi. E of Hwy 124 and +/- 3-4 mi. N of Ione. 213 Comment
  UC1873683  Horkelia fusca var. parviflora Barbara Ertter, David Gowen, Steve Matson 2006-9-10 18769 Amador Martin Meadow complex on NW side of Hwy 88 N of Silver Lake 2286 Comment
  CAS-BOT-BC144069  Horkelia parryi H. L. Mason 1932-4-24 6978 Amador Three miles south of Ione Comment
  CAS-BOT-BC144079  Horkelia parryi Alice Eastwood 1921-3-18 10066 Amador Ione Comment
  CAS-BOT-BC144080  Horkelia parryi Saichi Kawahara 1968-3-23 72 Amador Harbison-Walker Refractories Company Ione Works site, Ione 121 Comment
  CAS-BOT-BC205647  Horkelia parryi James R. Shevock 1985-7-31 11330 Amador Western slope of the Central Sierra Nevada. Carbondale Mesa site near the town of Ione 91 Comment
  JEPS112669  Horkelia parryi Dean W. Taylor 1974-4-15 3183 Amador Sierra Nevada; Ione region, Jackson Valley Road 1 mi S of Hwy 88 Comment
  JEPS29814  Horkelia parryi Rimo Bacigalupi and L. R. Heckard 1962-5-31 8558 Amador 2 mi s Calif. highway 88 (On Ione formation) 91 Comment
  RSA121094  Horkelia parryi H. S. Yates 1935-4-26 5149 Amador 1.5 miles south of Ione. 107 Comment
  RSA13747  Horkelia parryi E. Crum 1936-4-12 1752 Amador 2 miles S of Ione on Ione-Jackson Hwy Comment
  SJSU8665  Horkelia parryi C. W. Sharsmith 1980-5-18 8383 Amador 2.5 mi S of Ione Comment
  UC1221005  Horkelia parryi Beecher Crampton 1963-4-23 6728 Amador 2.5 mi s Ione (Buena Vista Rd) Comment
  UC185284  Horkelia parryi Katharine Brandegee June 1910 Amador Ione Comment
  UC186328  Horkelia parryi C. C. Parry May 1888 Amador Ione Comment
  UC30036  Horkelia parryi C. C. Parry Amador Ione Comment
  UC482962  Horkelia parryi H. L. Mason 1932-4-24 6978 Amador 3 mi s Ione Comment
  UC545835  Horkelia parryi Ethel Crum 1936-4-12 1752 Amador 2 mi s Ione (on Ione-Jackson Hwy) Comment
  UC555679  Horkelia parryi H. L. Mason 1928-5-3 4464 Amador 1 mi s Ione Comment
  UCD39083  Horkelia parryi Beecher Crampton 1963-4-23 6728 Amador 2.5 miles south of Ione, Buena Vista Road. Comment
  UC2062448  Horkelia parryi Barbara Ertter with Dale McNeal 1987-4-18 6862 Amador Ione-Buena Vista Road S of Highway 88, roadside at junction of road to factory. Comment
  UC903292  Horkelia parryi Ethel Crum 1941-4-6 2119 Amador Sierra Nevada foothills 152 Comment
  UCSB13174  Horkelia tridentata Breedlove, Dennis 1962-6-14 Amador Along State Highway 88, 25.2 miles east of Pine Grove; Sierra Nevada 1828 Comment
  SEINET1908480  Horkelia tridentata subsp. tridentata G. K. Helmkamp, E. A. Helmkamp 2008-1 13615 Amador Northern Sierra Nevada Mountains: Panther Creek Road, 0.1 mile south of its junction with CA-88, jct. is 4.0 miles east of Cook's Station. 1652 Comment
  UC675308  Horkelia tridentata subsp. tridentata Geo. Hansen July 1892 294 Amador Antelope 1371 Comment
  UCR197362  Horkelia tridentata subsp. tridentata George K. Helmkamp, E. A. Helmkamp 2008-6-23 13717 Amador Northern Sierra Nevada Mountains, Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 Comment
  UCR233127B  Horkelia tridentata subsp. tridentata George K. Helmkamp, E. A. Helmkamp 2011-8-6 17985 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  CAS-BOT-BC536246  Horkelia tridentata var. tridentata D. E. Breedlove; M. Bourell; R. Patterson 1986-6-5 62627 Amador West slope of Carson Pass above Ham Station 1980 Comment
  SEINET3245966  Hosackia pinnata G. K. Helmkamp, E. A. Helmkamp 2009-1 15611 Amador Northern Sierra Nevada Mountains: south side of Bear River Reservoir, 0.1 mile east of the damn (Peddler Hill 7.5') 1774 Comment
  CAS-BOT-BC400822  Hypericum anagalloides G. K. Helmkamp; E. A. Helmkamp 2008-6-23 13725 Amador Northern Sierra Nevada Mountains: Dufrene Road, 1.1 miles south of its junction with CA-88 (jct. is between Mormon Emigrant Trail and Bear River Reservoir Road), c. 2 miles (air) north of the west end of Lower Bear River Reservoir 2055 Comment
  CAS-BOT-BC400818  Hypericum anagalloides John Thomas Howell 1954-5-18 29838 Amador 1.5 miles nne. of Buena Vista 91 Comment
  CAS-BOT-BC400820  Hypericum anagalloides Ernest Braunton 1904-7-1 1139 Amador Preston School of Industry, Waterman. Grounds of Preston School Comment
  RSA795351  Hypericum androsaemum George K. Helmkamp, E. A. Helmkamp 2011-8-6 17976 Amador Ellis Road, 2.1 miles south of its junction with CA-88. 1794 Comment
  OBI13998  Hypericum concinnum Robert F. Hoover 1968-5-29 11142 Amador 2 mi S of Ione Comment
  SFV8485  Hypericum concinnum S. Sharrow 1969-5-18 39 Amador Sierra Nevada Lake Amador. Hillside along periphery of lake. 110 Comment
  UC1221751  Hypericum concinnum Beecher Crampton 1959-5-18 5212 Amador along State Hwy. 16 ca. 5 mi. e. of Michigan Bar Store Comment
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Aug 21 2008
  UC66912  Hypericum concinnum Ernest Braunton June 1904 1003 Amador vicinity of Ione 60 Comment
  UC762275  Hypericum concinnum R. F. Hoover 1937-6-10 2408 Amador 3 mi. w. Ione Comment
  UCD35628  Hypericum concinnum Beecher Crampton 1959-5-18 5212 Amador Along State Hwy. 16, about 5 miles east of Michigan Bar Store. Comment
  CAS-BOT-BC410199  Hypericum concinnum John Thomas Howell 1954-5-18 29790 Amador 2 miles N of Buena Vista 91 Comment
  SEINET3245872  Hypericum perforatum G. K. Helmkamp, E. A. Helmkamp 2009-1 15619 Amador Northern Sierra Nevada Mountains: Panther Creek Road, 0.2 mile south of its junction with CA-88, 5.2 air mi. west of Bear River Resevoir. 1622 Comment
  UC1122119  Hypericum perforatum G. T. Nordstrom 1936-5-22 800 Amador 4 mi. n.e. Sutter Creek; Jackson Quad. Comment
  UC871948  Hypericum perforatum Carl B. Wolf 1933-7-1 5155 Amador 3.6 mi. w. Pine Grove (on rd. to Sutter Creek); w. slope Sierra Nevada 548 Comment
  UC1614271  Hypochaeris glabra Charles M. Belshaw 1935-5-30 859 Amador just w. Jackson Comment
  CAS-BOT-BC312920  Hypochaeris glabra Ernest Braunton 1904-8-1 1158 Amador Preston School of Industry, Waterman. School Grounds Comment
  CAS-BOT-BC312922  Hypochaeris glabra Ernest Braunton 1904-8-1 1213 Amador Preston School of Industry, Waterman. School Grounds Comment
  CAS-BOT-BC312923  Hypochaeris glabra Ernest Braunton 1904-10-1 1249 Amador Vicinity of Ione 152 Comment
  UCD133468  Hypochaeris radicata G. K. Helmkamp; Elizabeth Helmkamp 2006-4-7 10156 Amador Northern Sierra Nevada Foothills: ESE of Sacramento, 1.0 mi S of Plymouth along CA Hwy 49. 326 Comment
  SBBG129000  Ipomopsis aggregata subsp. bridgesii G. K. Helmkamp, E. A. Helmkamp 2012-7-14 19392 Amador edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 mi N of Silver Lake 2317 Comment
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May 8 2017
  UC1134705  Iris hartwegii G. T. Nordstrom 1936-5-15 796 Amador 9 mi ene Plymouth; Jackson Quad. 487 Comment
  RSA6187  Iris hartwegii Carl B. Wolf 1933-5-24 4929 Amador 4/10 mi. S of Pine Grove, west slope Sierra Nevada 762 Comment
  JEPS93207  Iris hartwegii subsp. hartwegii Carol A. Wilson 1993-4-30 93 -6 Amador at the city limits of Pine Grove, 0.5 mi ne of Traves Road on Highway 88 Pine Grove 761 Comment
  CDA19207  Isatis tinctoria R. Farnham 2001-4-3 PDR P 097877 Amador Sierra Nevada; At old feed store, Plymouth. 0 Comment
  CAS-BOT-BC69932  Isoetes howellii John Thomas Howell; R. C. Barneby 1954-5-13 29527 Amador Plymouth. 274 Comment
  POM98236  Isopyrum occidentale Geo. Hansen 1893-4-12 737 Amador Amador County: Elsie's Creek. 823 Comment
  CAS-BOT-BC142455  Ivesia santolinoides Ethel Crum 1938-8-27 2076 Amador Peddler Hill, three miles northeast of Lumberyard 2133 Comment
  CAS-BOT-BC340239  Jensia rammii D. E. Breedlove 1962-6-14 3660 Amador Along State Hwy. 88, 10 miles east of Pine Grove 1005 Comment
  UCD133410  Jensia rammii Kim E. Steiner 1979-5-4 294 Amador Shake Ridge Road. 0.9 mile east of Fiddletown-Silverlake Road. 975 Comment
  UCR10207  Jepsonia heterandra C. M. Belshaw 1935-12-1 213 Amador 1 mi east of Jacksonville 335 Comment
  UCD102674  Jepsonia heterandra Lucie Adams 1994-12-20 Ama 49 Amador Adjacent to Rancheria Creek between Drytown and Amador. 240 Comment
  UCR185331  Juglans californica var. hindsii George K. Helmkamp, E. A. Helmkamp 2007-4-23 11797 Amador Foothills, Northern Sierra Nevada Mountains, along Calif. Hwy 124, 0.25 mile from its junction with Hwy 16 252 Comment
  UCR253568  Juglans californica var. hindsii George K. Helmkamp 2014-4-5 22682 Amador Eastern edge of San Joaquin Valley/lower Sierra Nevada Foothills, Sutter Creek along West Marlette Street, 0.1 mile east of Dave Brubeck Road, west end of city of Ione 85 Comment
  UCR259861  Juglans californica var. hindsii George K. Helmkamp, Elizabeth Helmkamp 2013-10-18 22432 Amador Sierra Nevada Mountains Foothills, Plymouth, at the junction of Mineral Street and Mill Street, near Hwy CA-49 329 Comment
  RSA781953  Juglans hindsii George K. Helmkamp, E. A. Helmkamp 2009-8-24 15525 Amador San Joaquin Valley/ Sierra Nevada foothills: along CA-16, 1.1 miles west of its junction with CA-49, southwest of Plymouth. 220 Comment
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Nov 18 2015
  SD237490  Juglans hindsii G. K. Helmkamp, E. A. Helmkamp 2009-10-11 15679 Amador Sacramento Valley/Sierra Nevada Foothills: Willow Creek Road just south of its junction with CA-16, 3.3 mi. SW (235a^z) of Plymouth (Irish Hill 7.5'Q) 192 Comment
  UCR209582  Juglans hindsii George K. Helmkamp, E. A. Helmkamp 2009-8-24 15522 Amador Foothills, northern Sierra Nevada Mountains, Shanandoah Road, 1.2 miles northeast of Plymouth and just north of its junction with Fiddletown Road. 363 Comment
  UCR219170  Juglans hindsii George K. Helmkamp, E. A. Helmkamp 2009-10-11 15679 Amador Sacramento Valley/Sierra Nevada Foothills, Willow Creek Road just south of its junction with CA-16, 3.3 mi. SW (235 deg. ) of Plymouth 192 Comment
  CHSC114149  Juncus G. K. Helmkamp 2008-6-17 13683 Amador Northern Sierra Nevada Mountains: Bear River Reservoir Road along the south side of Bear Rivedr Reservoir. 1797 Comment
  SBBG117217  Juncus B. Crampton 1975-9-4 9267 Amador Brickyard Rd, 1 mi S of Ione Comment
  SEINET6173887  Juncus B. Crampton 1975-9-4 9266 Amador 1.5 miles south of Ione on Highway 124 Comment
  UCD34016  Juncus Beecher Crampton 1975-9-4 9267 Amador Amador County, 1 mile south of Ione on Brickyard road. Comment
  UC1133604  Juncus bufonius R. D. Roseberry 1935-4-22 101 Amador 6 mi nw Ione; Jackson Quad. 76 Comment
  UCD141380  Juncus bufonius G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10318 Amador Northern Sierra Nevada foothills: Climax Road southwest of Pine Grove, 0.1 mile west of Hwy CA-88. 701 Comment
  UCR261993  Juncus bufonius var. bufonius George K. Helmkamp, Amy Barnes 2014-10-10 23147 Amador Northern Sierra Nevada Mountains, Plasse Road at the south end of Silver Lake and 0.1 mile north of Plasse's Resort 2215 Comment
  UC1601719  Juncus bufonius var. occidentalis Geo. Hansen 1892-1 627 a Amador near Jackson Comment
  UCD141431  Juncus chlorocephalus G. K. Helmkamp; E. A. Helmkamp 2007-6-29 12444 Amador Northern Sierra Nevada Mountains: Kirkwood Lake, about 0.5 mile north of CA-88 on the road to the campground. 2351 Comment
  UCR237736  Juncus drummondii George K. Helmkamp, E. A. Helmkamp 2012-7-14 19383 Amador Northern Sierra Nevada Mountains, Shot Rock Vista Rest Stop along CA-88 (Carson Pass Hwy), 1 mile west of the junction with Mormon Emigrant Trail 2329 Comment
  SEINET11787487  Juncus effusus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -209 Amador ca 1.5 mi SE of Ione on CA 104 (E side of triangle) enroute to CA 88 130 Comment
  RSA795033  Juncus effusus var. exiguus George K. Helmkamp, E. A. Helmkamp 2011-8-6 17968 Amador Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UCD141526  Juncus ensifolius G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12746 Amador Northern Sierra Nevada Mountains, along Hwy 88, 1 mile south of the junction with Mormon Emigrant Trail. 2172 Comment
  UCR191130  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2007-8-16 12746 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail 2172 Comment
  CDA33201  Juncus nevadensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-8-1 3404 Amador Small lake on south side of Highway 88 just west of Carson Spur; 1 mile west of road to Kirkwood Lake, 3.6 miles east of Silver Lake (bridge). Comment
  RSA42046  Juncus nevadensis H. C. Cantelow 1936-7-26 1518 Amador Summit Carson Spur. 2470 Comment
  UCR77779  Juncus occidentalis J. T. Howell 1954-5-18 29791 Amador Sierra Nevada Mtns. Foothills, 2 mi NNE of Buena Vista 91 Comment
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Oct 10 2010
  SEINET9305136  Juncus trilocularis Unknown 1975-9-4 9266 Amador Amador Co., CA Comment
  NY20177  Juniperus occidentalis L. D. Benson 1931-8-23 2842 Amador 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
  SEINET10891892  Juniperus occidentalis George Hansen Hansen 241 Amador [Tragedy] Springs 2400 Comment
  CAS-BOT-BC236758  Keckiella breviflora J. P. Moore 1878-5-1 s.n. Amador Jackson Comment
  UC195276  Keckiella breviflora Geo. Hansen Jul 1892 443 Amador Sequoia Region; <?????Garden> 457 Comment
  UCSB13191  Keckiella breviflora Breedlove, Dennis 1962-6-14 Amador along State Highway 88; 2.0 miles west of Pine Grove; Sierra Nevada 640 Comment
  UCR219026  Keckiella breviflora subsp. breviflora George K. Helmkamp, E. A. Helmkamp 2010-6-23 16352 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 9.5 miles northeast of its junction with old CA-49 in Sutter Creek village 576 Comment
  UC1614085  Keckiella breviflora var. breviflora Charles M. Belshaw 1935-5-30 871 Amador Vicinity of Jackson. Sierra Nevada foothills, west slope. Comment
  UCD121973  Kelloggia galioides G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12753 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 3.5 miles south of its junction with Mormon Emigrant Trail. 2146 Comment
  UCR197361  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2008-6-23 13719 Amador Northern Sierra Nevada Mountains, Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 Comment
  UCD123878  Kickxia elatine G. K. Helmkamp; E. A. Helmkamp 2006-10-23 11563 Amador Central Valley/Northern Sierra Nevada Foothills; along CA-16, 0.2 mile east of Waits Station, southwest of Plymouth. 305 Comment
  UCR209578  Kickxia elatine George K. Helmkamp, E. A. Helmkamp 2009-8-24 15530 Amador Northern San Joaquin Valley, Lambert Road, 1.6 miles west of its junction with Carbondale Road 99 Comment
  UCR217845  Kickxia spuria George K. Helmkamp, E. A. Helmkamp 2010-5-31 16183 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 3.3 miles east of the village of Sutter Creek 413 Comment
  RSA0081174  Laennecia coulteri George K. Helmkamp, E. A. Helmkamp 2006-10-6 11472 Amador Along Calif. Hwy 49 beside Big Indian Creek; 2.2 miles south of El Dorado County line. 271 Comment
  CAS-BOT-BC341437  Lagophylla ramosissima Geo. Hansen 1892-6-1 334 Amador Drytown 152 Comment
  SEINET3238898 Image available Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2008-3-12 13148 Amador Foothills, northern Sierra Nevada Mountains: 0.2 mile east of the junction of Bell Road and CA-49 at Enterprise; junction of Plymouth and Pigeon Creeks. 259 Comment
  RSA123027  Lasthenia californica G. T. Nordstrom 1936-4-24 749 Amador 3 miles W of Bisbee Park. 183 Comment
  JEPS10070  Lasthenia californica subsp. californica W. L. Jepson 1938-4-14 18671 Amador Jackson Valley Comment
  UCD82050  Lasthenia californica subsp. californica Robin McMaster 1972-4-2 40 Amador towards Jackson. Comment
  UC1614272  Lathyrus Charles M. Belshaw 1935-5-30 860 Amador vicinity of Jackson (w slope of Sierra Nevada foothills); Sierra Nevada foothills Comment
  RSA170325  Lathyrus cicera T. C. Fuller 1963-6-5 10578 Amador Amador County: site was University of California field station many years ago, 5 miles NE of Jackson Comment
  CAS-BOT-BC213487  Lathyrus jepsonii subsp. californicus Geo. Hansen 1895-5-1 1299 Amador Panther Creek 1524 Comment
  CAS-BOT-BC213257  Lathyrus sulphureus Geo. Hansen 1893-5-1 12 Amador New York Falls, Agrc. Station 609 Comment
  UCR240733  Lathyrus tingitanus George K. Helmkamp, E. A. Helmkamp 2012-9-1 19732 Amador Northern Sierra Nevada Mountains Foothills, aong CA-88 (Carson Pass Hwy) at the east end of Jackson; 0.2 mile east of the junction with CA-49 366 Comment
  UC1069712  Layia fremontii G. T. Nordstrom 1936-4-19 725 Amador .8 mi n Plymouth; Jackson Quadrangle Comment
  JEPS39109  Layia fremontii W. L. Jepson 1938-4-14 18662 Amador Placerville to Ione ((possibly near Nashville)) Comment
  UCD72505  Leersia oryzoides G. K. Helmkamp; E. A. Helmkamp 2007-8-26 12814 Amador Northern Sierra Nevada Mountains: Along Hwy. CA-49 at mile-20, 2.1 miles north of Plymouth; beside Blue Indian Creek. 299 Comment
  UCR218199  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2010-5-31 16166 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 1.6 miles east of the village of Sutter Creek 412 Comment
  UCR230061  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2011-5-19 17300 Amador Lower Sierra Nevada Foothills, NW of Pardee Reservoir, 0.1 mile east of Rock Creek Road on a gravel spur leading to houses, 4.65 mi. SW (220 deg. ) of Jackson 280 Comment
  UCR252935  Leontodon taraxacoides George K. Helmkamp, Elizabeth Helmkamp 2013-7-6 20958 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.6 mile south of its junction with Hwy CA-88 1633 Comment
  RSA0093525  Leontodon taraxacoides subsp. longirostris George K. Helmkamp, Mary Alice Barnes 2013-5-17 20611 Amador Northern Sierra Nevada Mountains Foothills. Stony Creek Road, 6.8 miles southwest of Jackson, 0.57 mi. NE (20 deg ) of Chrome Mountain. 302 Comment
  CAS-BOT-BC89053  Lepidium didymum Geo. Hansen 1892-6-1 573 Amador The Sequoia Region. Drytown. 1524 Comment
  UCR196802  Lepidium heterophyllum George K. Helmkamp 2008-6-17 13694 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road on the branch leading to Cole Creek, 2.7 miles east of Bear River Reservoir dam 1814 Comment
  UCR246644  Lepidium heterophyllum George K. Helmkamp, E. A. Helmkamp 2012-6-6 19150 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 5.8 miles south of its junction with CA-88, 6.2 mi. SW (246 deg. ) of Bear River Reservoir dam 1465 Comment
  CDA29256  Lepidium latifolium C. Basset 2009-6-8 s.n. Amador Jackson. 28 French Bar Road. 0 Comment
  CAS-BOT-BC89871  Lepidium nitidum Alice Eastwood 1921-3-19 10110 Amador Ione. Comment
  UC1126691  Lepidium nitidum G. T. Nordstrom 1936-4-19 716 Amador 0.9 mi n Plymouth; Jackson Quad. 304 Comment
  UC117639  Lepidium nitidum K. Brandegee Apr 1889 Amador Ione Comment
  UCR230660  Lepidium nitidum var. nitidum George K. Helmkamp, E. A. Helmkamp 2011-5-10 17232 Amador Northern Sierra Nevada Mountains Foothills, Turner Road, 0.8 miles south of its junction with Amador Creek Road, 0.95 mi. SE (119 deg. ) of Amador City 311 Comment
  CAS-BOT-BC12882  Lepidium strictum Alice Eastwood 1921-3-19 10106 Amador Ione. Comment
  POM313483  Leptosiphon bicolor P. C. Hutchinson 1962-4-28 2369 Amador About 6 miles north of Ione, crossing of Dry Creek on highway 104, 100 yards downstream from bridge. Comment
  UCD18686  Leptosiphon ciliatus Roman Gankin 1956-6-20 171 Amador NW side of Silver Lake. Comment
  SD131105  Leptosiphon ciliatus D. E. Breedlove, M. Bourell and R. Patterson 1986-6-9 62827 Amador Above Ham Station on west slope of Carson Pass. 1980 Comment
  POM74250  Leptosiphon filipes Geo Hansen 1893-4-20 1281 Amador Middle Fork 396 Comment
  POM73984  Leptosiphon montanus Geo Hansen 1896-5-13 1633 Amador White Bar. Mokelumne River and immediate tributaries. Amador and Calaveras Counties. 305 Comment
  POM90207  Leptosiphon montanus Geo Hansen 1895-5-10 1278 Amador New York Falls. 457 Comment
  SBBG19259  Lessingia leptoclada M. A. Piehl 1959-8-2 59501 Amador St Hwy 88 near Jackson Crk, ca. 2.7 mi E of Jackson Comment
  UC2044600  Lessingia leptoclada George K. Helmkamp with Elizabeth Helmkamp 2013-9-13 22293 Amador Northern Sierra Nevada Mountains Foothills Fiddletown Road, 0.4 mile west of its junction with Shake Ridge Road. (West Point 7.5' Q.) Comment
  UCD134078  Lessingia leptoclada G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12896 Amador Northern Sierra Nevada Mountains: Along CA-88 3.2 miles west of Hams Station along CA-88, just east of Cooks Station. 1527 Comment
  POM40852  Lessingia leptoclada Geo. Hansen 1895-7-28 781 Amador Pioneer 1067 Comment
  RSA126791  Lessingia leptoclada J. A. Rutter 1934-9-11 23 Amador 3.5 miles SSW of Mokelumne Pk. 1418 Comment
  UC87988  Lessingia nana Mrs. K. Brandegee 1889-6-21 Amador Ione Comment
  UCR197828  Lewisia triphylla George K. Helmkamp, E. A. Helmkamp 2008-6-23 13729 Amador Northern Sierra Nevada Mountains, Dufrene Road, 1.1 miles south of its junction with CA-88 (jct. is between Mormon Emigrant Trail and Bear River Reservoir Road), c. 2 miles (air) north of the west end of Lower Bear River Reservoir 2055 Comment
  UCR188475  Ligusticum grayi George K. Helmkamp, E. A. Helmkamp 2007-7-17 12517 Amador Northern Sierra Nevada Mountains, along CA-88, 0.7 mile north of its junction with Mormon Emigrant Trail; Shot Rock trailhead 2325 Comment
  UCR258128  Ligusticum grayi George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-8-4 19553 Amador Northern Sierra Nevada Mountains, West Lake Road along the west side of Silver Lake; 4.1 miles north of junction with Plasse Road 2247 Comment
  UC3708  Lilium humboldtii Geo. Hansen 1892-1 Amador Jackson Comment
  CAS-BOT-BC130559  Lilium humboldtii Geo. Hansen 1893-1-1 s.n. Amador N.Y. Falls 609 Comment
  RSA7290  Lilium humboldtii subsp. humboldtii Carl B. Wolf 1933-6-30 5133 Amador 0.4 miles south of Pine Grove, west slope Sierra Nevada 762 Comment
  UCR248372  Lilium parvum George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21023 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  SEINET5629361 Image available Lilium parvum Unknown 1904-1 140 Amador Silver Lake Comment
  JEPS19622  Limnanthes alba W. L. Jepson 1929-4-29 15246 Amador Willow Sprs. sta. 198 Comment
  CAS-BOT-BC110622  Limnanthes alba T. S. Brandegee 1886-5-22 s.n. Amador Unspecified. Comment
  UCD85009  Limnanthes alba subsp. versicolor Dena Grossenbacher 2009-4-22 969 Amador Along Highway 16 in a ditch along the south side of the road, 1.0 miles west of junction with La Trobe Road. Private property. 130 Comment
  POM86005  Limnanthes alba var. detonsa Geo. Hansen 1894-5-1 739 Amador Stoney Creek. 305 Comment
  JEPS19598  Limnanthes striata Fred Shoemaker 1933-4 Amador Ione Comment
  SEINET7072653  Linanthus bicolor A. G. Vestal 1963-5-5 s.n. Amador About 2 miles west of Plymouth. Along Little Indian Creek. UTM Zone 10, 684870mE, 4261460mN. Coordinate datum: NAD 27. Comment
  UC1123975  Linanthus bicolor R. D. Roseberry 1935-4-17 45 Amador 2.5 mi nw Buena Vista; Jackson Quad. 91 Comment
  SEINET7040279  Linanthus bicolor A. G. Vestal 1963-5-28 s.n. Amador Along Route 88, 0.3 mile above West Point Junction West Point Quadrangle UTM Zone 10, 709011mE, 4254683mN. Comment
  RSA0093527  Linanthus ciliatus George K. Helmkamp, E. A. Helmkamp 2012-6-26 19255 Amador Northern Sierra Nevada Mountains. Panther Creek Road, 0.4 mile south of its junction with CA-88/Carson Pass Hwy and W of Lower Bear Reservoir. 1643 Comment
  UC106671  Linanthus ciliatus K. Brandegee May 1886 Amador Volcano Comment
  UC963789  Linanthus ciliatus Herbert L. Mason 1928-5-3 4484 Amador s of Cosumnes River Comment
  UCR241341  Linanthus ciliatus George K. Helmkamp, E. A. Helmkamp 2012-6-26 19255 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.4 mile south of its junction with CA-88/Carson Pass Hwy and W of Lower Bear Reservoir 1643 Comment
  UC907874  Linanthus filipes Herbert L. Mason 1928-5-3 4469 Amador near Carbondale Comment
  UC909127  Linanthus filipes Herbert L. Mason 1932-4-24 6985 Amador 3 mi s Ione Comment
  UC23538  Linanthus filipes Geo. Hansen 1891-1 Amador Comment
  UCR237441  Linanthus harknessii George K. Helmkamp, E. A. Helmkamp 2012-7-14 19404 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
  JEPS12998  Linanthus montanus Rimo Bacigalupi with G. T. Robbins 1955-5-6 5049 Amador 4.7 mi n road to Latrobe junction with State Highway 16 (along road to Latrobe) 146 Comment
  UC69913  Linanthus montanus Earle Mulliken Jun 1 1904-Jun 20 1904 100 Amador near Jackson (Caminetti Ranch); Sierra Nevada Mountains 487 Comment
  UC908495  Linanthus montanus Ethel Crum 1934-4-22 1672 Amador at bridge on Ione to Latrobe highway (on banks of Cosumnes River); Sierra Nevada Foothills, Cosumnes River Comment
  UC963779  Linanthus montanus Herbert L. Mason 1928-5-3 4483 Amador s of Cosumnes River (opposite Clark Creek) Comment
  SD211698  Lindernia dubia Barbara Ertter, Fosiee Tahbaz 1990-11-4 9691 Amador Camanche Reservoir, northeast of Stockton. 60 Comment
  UC1614269  Lithophragma Charles M. Belshaw 1935-5-30 855 Amador vicinity of Jackson; Sierra Nevada Foothills Comment
  JEPS14580  Lithophragma affine Peter H. Raven with G. Thomas Robbins 1956-4-29 9124 Amador along the Carson Pass Road 1.5 mi e Oleta ((Fiddletown)); along Carson Pass Road, e of Oleta (Fiddletown) Comment
  UC1368741  Lithophragma bolanderi J. L. Strother and A. R. Smith 1970-5-3 926 Amador 1 mi n Calaveras County boundary (near Highway 49) 426 Comment
  UCR232222  Lithophragma bolanderi George K. Helmkamp, E. A. Helmkamp 2011-6-7 17494 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 7.6 rd. miles northeast (via Pine Gulch & Gopher Flat rds) of junction of Sutter Creek Rd. and Pine Gulch Rd. 712 Comment
  UC672268  Logfia gallica Herbert L. Mason 1933-5-29 7248 Amador hills above Ione Comment
  CAS-BOT-BC342377  Logfia gallica Ernest Braunton 1904-8-1 1148 Amador Vicinity of Ione 152 Comment
  UCR187521  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2007-4-5 11749 Amador Foothills, Northern Sierra Nevada Mountains, along CA-49, 0.2 mile west of Amador City 309 Comment
  SD241721  Lomatium caruifolium George K. Helmkamp, E. A. Helmkamp 2012-3-22 18638 Amador Northern Foothills, Sierra Nevada Mountains: Bell Road, 0.2 mile east of its junction with CA-49 (Fiddletown 7.5'Q) 270 Comment
  UC1039702  Lomatium caruifolium var. caruifolium L. Constance, M. Hiroe and O. Solbrig 1956-3-30 3622 Amador across rd. from R.R. station Carbondale 60 Comment
  UC69925  Lomatium macrocarpum Geo. Hansen 1893-1 Amador Comment
  UC1046551  Lomatium utriculatum R. Bacigalupi, G. L. Stebbins Jr., L. Heckard, and K. Jakob 1951-5-15 3323 Amador along State Hwy. #16 0.6 mi. e. of junction w/ dirt rd. going off n. to Latrobe 207 Comment
  UC1281223  Lonicera conjugialis H. E. McMinn 1932-9-9 3000 Amador Silver Lake Comment
  CAS-BOT-BC240415  Lonicera hispidula Geo. Hansen 1893-6-1 215 Amador Pine Grove 1524 Comment
  UC28519  Lonicera hispidula var. vacillans Geo. Hansen 1892-1 Amador Comment
  UC28556  Lonicera involucrata var. involucrata Geo. Hansen 1892-1 Amador Comment
  UCR257086  Lotus humistratus George K. Helmkamp, Mary Alice Barnes 2013-5-13 20596 Amador Sierra Nevada Mountains, Shake Ridge Road, 16.7 miles northeast of its junction with E-16 via Fiddletown Rd. 983 Comment
  JEPS21825  Lotus incanus Robert L. Fry 1958-4 68 Amador 6 mi w Cooks Station (on State Highway 88) 1219 Comment
  UC1129094  Lotus micranthus R. D. Roseberry 1935-4-20 75 Amador 4 mi w Buena Vista; Jackson Quad. 106 Comment
  UC545844  Lotus micranthus E. Crum 1934-4-22 1661 Amador near Forest Home (Ione-Latrobe Highway) Comment
  UCR230657  Lotus micranthus George K. Helmkamp, E. A. Helmkamp 2011-6-7 17460 Amador Northern Sierra Nevada Mountains Foothills, Pine Gulch Road, 0.5 mile north of its intersection with Sutter Creek Road 457 Comment
  UCR196821  Lotus nevadensis var. nevadensis George K. Helmkamp 2008-6-17 13678 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UCR258975  Lotus nevadensis var. nevadensis George K. Helmkamp, Amy Barnes 2014-10-10 23130 Amador Northern Sierra Nevada Mountains, west side of Bear River Reservoir, 0.2 mile north of the dam 1796 Comment
  UC80764  Lotus oblongifolius var. oblongifolius Katharine Brandegee May 1886 Amador Wiley's Comment
  UCR219013  Lotus purshianus George K. Helmkamp, E. A. Helmkamp 2010-6-23 16355 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 9.5 miles northeast of its junction with old CA-49 in Sutter Creek village 576 Comment
  UC1614109  Lotus purshianus var. purshianus Charles M. Belshaw 1935-5-30 795 Amador 3 mi. s. Ione Comment
  UCR179746  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2006-10-6 11466 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 beside Big Indian Creek; 2.2 miles south of El Dorado County line 271 Comment
  UCR190570  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2007-9-4 12889 Amador Northern Sierra Nevada Mountains, along CA-88 at Mile-49, 3.1 miles east of Hams Station 1860 Comment
  UCR240717  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2012-10-5 19988 Amador Northern Sierra Nevada Mountains Foothills, Fiddletown Road, 1.5 miles west of Fiddletown 466 Comment
  UCR259855  Lotus purshianus var. purshianus George K. Helmkamp, Elizabeth Helmkamp 2013-10-18 22435 Amador Sierra Nevada Mountains Foothills, Plymouth, at the junction of Mineral Street and Mill Street, near Hwy CA-49 329 Comment
  SEINET7063163  Lotus wrangelianus A. G. Vestal 1963-4-9 s.n. Amador Serpentine off the junction at Preston Reservoir Road and Paine Road. UTM Zone 10, 685412mE, 4249890mN. (WGS84/NAD83). 229 Comment
  SEINET7072516  Lotus wrangelianus A. G. Vestal 1963-5-5 s.n. Amador Along Little Indian Creek. About 23.7 miles west of Plymouth. Coordinate datum: NAD 27. UTM Zone 10, 682518mE, 4261592mN. Comment
  UC126978  Lupinus Geo. Hansen 1892-1 Amador Comment
  SEINET13203102 Image available Lupinus albicaulis George K. Helmkamp, Mary Alice Barnes 2013-1 20603 Amador Sierra Nevada Mountains: Shake Ridge road, 4.0 miles northeast of the junction with Fiddletown Road, just west of Dew Drop Dr. (Omo Ranch 7.5' Q.) 1209 Comment
  UC82295  Lupinus albicaulis Geo. Hansen VII 1892 361 Amador near Jackson (Agr. Station); Sequoia Region, near Jackson 609 Comment
  UC15864  Lupinus albicaulis Geo. Hansen 1892-1 Amador Comment
  CAS-BOT-BC201345  Lupinus albifrons var. albifrons Alice Eastwood 1921-3-19 10146 Amador Ione Comment
  CAS-BOT-BC201348  Lupinus albifrons var. albifrons Geo. Hansen 1893-4-1 983 Amador Mok. River, Amador & Calaveras County 548 Comment
  RSA0035671  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-24 20385 Amador Along CA-26 (Red Corral/West Point-Pioneer Rd.), 2.8 miles southeast of its junction with CA-88 905 Comment
  CAS-BOT-BC196034  Lupinus albifrons var. collinus G. K. Helmkamp; E. A. Helmkamp 2008-5-8 13430 Amador Sierra Nevada Mountains Foothills: along CA-26, 1.0 mile west of the Calaveras County line 709 Comment
  UCR250643  Lupinus albifrons var. collinus George K. Helmkamp, Mary Alice Barnes 2013-4-24 20386 Amador Northern Sierra Nevada Mountains Foothills, Along CA-26 (Red Corral/West Point-Pioneer Rd.), 2.8 miles southeast of its junction with CA-88 905 Comment
  SEINET7249209  Lupinus albifrons var. collinus George K. Helmkamp, Mary Alice Barnes 2013-1 Amador Comment
  POM23927  Lupinus andersonii var. andersonii Geo. Hansen 1895-11-14 1085 Amador Panther Creek 1463 Comment
  UCD107026  Lupinus benthamii G. K. Helmkamp; E. A. Helmkamp 2007-4-26 11827 Amador Northern Sierra Nevada Mountains: along CA E-16, 0.7 mile south of River Pines. 610 Comment
  UCR187297  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2007-4-5 11740 Amador Foothills, Northern Sierra Nevada Mountains, along CA-49, 0.2 mile west of Amador City 309 Comment
  SEINET3258016 Image available Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2008-5-4 13376 Amador Sierra Nevada Mountains; Barton, c. 15 miles (air) NE of Jackson, at the junction of Tiger Creek Road and Black Prince Road, 0.6 mil east of the junction of Tiger Creek Road with CA-88. 936 Comment
  SEINET3271543 Image available Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-4-5 11741 Amador Foothills, Northern Sierra Nevada Mountains; along CA-49, 0.2 mile west of Amador City 309 Comment
  SEINET7072660 Image available Lupinus bicolor A. G. Vestal 1963-5-5 s.n. Amador About 2 miles west of Plymouth. Along Little Indian Creek. UTM Zone 10, 684870mE, 4261460mN. Coordinate datum: NAD 27. Comment
  UCD107245  Lupinus bicolor G. K. Helmkamp; Elizabeth Helmkamp 2007-4-5 11733 Amador Northern Sierra Nevada Foothills: Sutter to Ione Road, 0.4 mi east of CA-49, northeast of Ione. 180 Comment
  UCD107246  Lupinus bicolor G. K. Helmkamp; Elizabeth Helmkamp 2007-4-5 11741 Amador Northern Sierra Nevada Mountains: along CA-49, 0.2 mile west of Amador City. 309 Comment
  UCR257212  Lupinus bicolor George K. Helmkamp, Mary Alice Barnes 2013-5-13 20563 Amador Sierra Nevada Mountains Foothills, along E-16/Shenandoah Rd., 3.6 road miles south of River Pines, 4.15 air miles NE (39 deg. ) of Plymouth 517 Comment
  JEPS79573  Lupinus bicolor subsp. pipersmithii Edward Lee with H. L. Mason, et al. 1936-4-11 1895 Amador in Lancha Plancha [Plana] Mokelumne River, n side, in Lancha Plancha [Plana] Comment
  RSA195701  Lupinus densiflorus var. densiflorus Duane Isely 1965-5-28 9597 Amador Slopes under state #49, 1 mile north of Amador City. Comment
  NY15859  Lupinus densiflorus var. latilabris E. Braunton 06 1904 1081 Amador Vicinity of Ione 61.0 Comment
  CAS-BOT-BC175695  Lupinus fulcratus G. K. Helmkamp 2007-6-29 12430 Amador Northern Sierra Nevada Mountains: Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake 2244 Comment
  RSA739787  Lupinus fulcratus George K. Helmkamp 2007-6-29 12430 Amador Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake 2244 Comment
  SBBG34590  Lupinus fulcratus T. L. Secrest 1950-8-17 Amador Silver Lake Comment
  POM24981  Lupinus grayi Geo. Hansen 1896-4-18 1463 Amador New York Falls. 457 Comment
  UCR196861  Lupinus grayi George K. Helmkamp 2008-6-17 13700 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.1 mile south of its junction with CA-88, junction 4.0 miles east of Cook's Station 1652 Comment
  UCR197638  Lupinus grayi George K. Helmkamp, E. A. Helmkamp 2008-6-9 13633 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.6 mile south of its junction with CA-88, jct. is 4.0 miles east of Cook's Station 1607 Comment
  UCD108398  Lupinus lepidus var. confertus G. K. Helmkamp; E. A. Helmkamp 2007-7-17 12526 Amador Northern Sierra Nevada Mountains: along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake. 2317 Comment
  UC710405  Lupinus microcarpus var. densiflorus C. P. Smith 1946-5-3 46272 Amador Hiway 49 s edge Sutter Creek (town) Comment
  UCD108714  Lupinus microcarpus var. densiflorus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-6 10300 Amador Northern Sierra Nevada: along Hwy CA-49, 0.3 mile south of Drytown. 226 Comment
  UCD35885  Lupinus microcarpus var. densiflorus Beecher Crampton 1966-5-3 7705 Amador 9.5 miles s.s.e. of Ione site of Lancha Plana. Comment
  UCD108850  Lupinus microcarpus var. microcarpus G. K. Helmkamp; E. A. Helmkamp 2007-4-26 11825 Amador northern Sierra Nevada Mountains: along CA E-16, 0.7 mile south of River Pines. 610 Comment
  JEPS29519  Lupinus nanus Paul C. Hutchison 1962-4-28 2394 Amador ca 2-3 mi w Lockwood Junction (Gopher Gulch road near junction with road back to Fiddletown, e of Sutter Creek, at side road to Golden Bares Health Ranch); e of Sutter Creek 914 Comment
  UC1129660  Lupinus nanus C. M. Belshaw 1936-7-6 2436 Amador 1 1/4 mi nw Rich Gulch; Jackson Quad. 457 Comment
  UCR173835  Lupinus nanus George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10304 Amador Northern Sierra Nevada Foothills, along Calif. Hwy 49, 0.3 mile south of Drytown 226 Comment
  UCR218186  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2010-5-31 16162 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 1.6 miles east of the village of Sutter Creek 412 Comment
  UCR219178  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2010-6-23 16362 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 9.5 miles northeast of its junction with old CA-49 in Sutter Creek village 576 Comment
  UCR230069  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2011-5-19 17308 Amador Eastern edge San Joaquin Valley at start of Sierra Nevada foothills, Pardee Dam Road, 0.2 mile south of Stony Creek Road, 5 miles SE (124 deg. ) of Ione 201 Comment
  UCR230620  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2011-5-10 17250 Amador Northern Sierra Nevada Mountains Foothills, along Sutter Creek near Sutter Creek Rd., 2.9 air miles NE (68 deg. ) of town of Sutter Creek 412 Comment
  UCD109248  Lupinus nanus Kim E. Steiner 1979-5-4 298 Amador Hale Rd., 0.3 mi N of South Fork of Dry Creek. 536 Comment
  UCR258131  Lupinus polyphyllus var. pallidipes George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-8-4 19549 Amador Northern Sierra Nevada Mountains, West Lake Road along the west side of Silver Lake; 4.1 miles north of junction with Plasse Road 2247 Comment
  UC1129689  Lupinus rivularis G. T. Nordstrom 1936-4-24 745 Amador 0.7 mi se Bisbee Peak; Jackson Quad. Comment
Read comments
Jul 19 2018
  HSC40768  Lupinus sellulus var. sellulus R. York 1977-8-11 46 Amador Along Hwy. 88 305 Comment
  HSC2143  Lupinus stiversii J. V. Lenz 1946-4-28 Amador Cosumnes River Comment
  RSA6180  Lupinus stiversii Carl B. Wolf 1933-5-24 4922 Amador 4.8 miles along Pine Grove on Carson Pass Highway 854 Comment
  SEINET7072656 Image available Lupinus vallicola subsp. vallicola A. G. Vestal 1963-5-5 s.n. Amador About 2 miles west of Plymouth. Along Little Indian Creek. UTM Zone 10, 684870mE, 4261460mN. Coordinate datum: NAD 27. Comment
  SEINET10870612  Lupinus vallicola subsp. vallicola Tom Hensel 1974-5-22 Hensel H 323 Amador 1.5 mi nw of volcano (town)--on a private ranch. Foothill woodland with Quercus, ceanothus, aesculus. 610 Comment
  CAS-BOT-BC441202  Luzula macrantha Alice Eastwood 1921-3-19 10159 Amador Ione Comment
  UC66899  Lythrum californicum Ernest Braunton June 1904 1011 Amador vicinity of Ione 60 Comment
  UCR252804  Lythrum californicum George K. Helmkamp, Elizabeth Helmkamp 2013-8-2 22072 Amador Northern Sierra Nevada Mountains Foothills, SE of Pioneer along CA-26, north side of North Fork Mokelumne River 628 Comment
  UC108061  Lythrum hyssopifolia J. C. Hawthorne 1900-6-2 61 Amador Amador County Comment
  UCD112589  Madia Christopher Mallek 2008-4-30 RP2- 11 Amador River Pines. 688 Comment
  JEPS119454  Madia citrigracilis George K. Helmkamp with E. A. Helmkamp 2011-8-6 18007 Amador Northern Sierra Nevada Mountains Foothills: Red Dog Road, 1.6 miles northeast of its junction with You Bet Road, 3 miles NE (313 deg. ) of Gold Run. Comment
  RSA715227  Madia citriodora George K. Helmkamp, E. A. Helmkamp 2005-9-1 9838 Amador Northern Sierra Nevada Foothills: Climax road at Taves Road, 0.3 miles west of CA highway 88 (ESE of Sacramento and ca. 13 miles NE of Jackson) 701 Comment
  CAS-BOT-BC342699  Madia elegans D. E. Breedlove 1962-6-14 3669 Amador Along State Highway 88, 8.8 miles east of Pine Grove; Sierra Nevada 1036 Comment
  SEINET2442643  Madia elegans subsp. densifolia George K. Helmkamp, E. A. Helmkamp 2009-8-6 15398 Amador Sierra Nevada Mountains Foothills: along Hwy CA-88 3.1 miles northeast of CA-49 in Jackson (Mokelumne Hill 7.5' Q.). 424 Comment
  CAS-BOT-BC344286  Madia exigua Geo. Hansen 1892-6-1 387 Amador Drytown 152 Comment
  RSA126799  Madia exigua H. S. Yates 1935-4-26 5140 Amador 1.5 miles south of Ione. 107 Comment
  CAS-BOT-BC334648  Madia glomerata W. B. Duncan 1927-8-1 s.n. Amador Vicinity of Silver Lake Comment
  RSA0013374  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2010-9-1 16874 Amador Northern Sierra Nevada Mountains: along CA-88, 2.6 miles southwest of its junction with Mormon Emigrant Trail, e. 2.75 mi NNW of Upper Bear River Reservoir. 2162 Comment
  UCR191153  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2007-8-16 12742 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail 2172 Comment
  JEPS30004  Madia glomerata W. L. Jepson 1923-8-9 10098 Amador border of Silver Creek Silver Creek 2225 Comment
  JEPS119466  Madia gracilis George K. Helmkamp with E. A. Helmkamp 2011-6-7 17461 Amador Northern Sierra Nevada Mountains Foothills, Pine Gulch Road, 0.5 mile north of its intersection with Sutter Creek Road Comment
  SEINET1908681  Madia gracilis G. K Helmkamp 2008-1 13672 Amador Northern Sierra Nevada Mountains: Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 (Peddler Hill 7.5') 1990 Comment
  SEINET3246023  Madia gracilis G. K. Helmkamp, E. A. Helmkamp 2007-1 12742 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail. 2172 Comment
  UCR237271  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2012-7-14 19395 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
  CAS-BOT-BC342941  Madia gracilis Geo. Hansen 1893-7-1 395 Amador Agr. Station 609 Comment
  RSA126553  Madia rammii G. T. Nordstrom 1936-5-30 809 Amador 4.6 miles ENE of Plymouth 579 Comment
  SEINET5712180  Madia rammii Dennis E. Breedlove, M. Bourell; R. Patterson 1986-1 62620 Amador Flat ridge 12 mi E of Fiddletown.; Fiddletown Comment
  CAS-BOT-BC508535  Maianthemum racemosum subsp. amplexicaule Geo. Hansen 1895-5-1 1076 Amador Ham's Station 1524 Comment
  CDA35733  Malacothamnus fremontii T. C. Fuller, L. Brown 1959-8-2 2973 Amador County Road, 3 miles south of Ione. 0 Comment
  SEINET8895661  Malvella leprosa E. Braunton 1904-1 1186 Amador Vicinity of Ione. 61 Comment
  RSA440945  Marah fabacea K. M. Stocking 1947-3-21 9 Amador About 3 miles SW of Plymouth. Comment
  RSA440946  Marah fabacea K. M. Stocking 1947-3-21 9 -c Amador About 3 miles SW of Plymouth. Comment
  UC102116  Marah fabacea Geo. Hansen Apr 1895 1061 Amador White Bar Sequoia Gigantea Region, Mokelumne River 304 Comment
  JEPS87974  Marsilea vestita subsp. vestita Barbara Ertter with Fosiee Tahbaz 1990-11-4 9696 Amador ne of Stockton (n end of Pardee Reservoir on Mokelumne River, along streamlet near marina); Mokelumne River, Pardee Reservoir 173 Comment
  JEPS37069  Matricaria discoidea W. L. Jepson 1929-4-28 15212 Amador near Sutter Creek (w Amador County); Ione 121 Comment
  UCR253484  Matricaria discoidea George K. Helmkamp 2014-4-5 22671 Amador Eastern San Joaquin Valley, Sutter Creek-Ione Road, 1.2 miles south of its junction with CA-124 197 Comment
  UCR253589  Matricaria discoidea George K. Helmkamp 2014-4-5 22668 Amador Sierra Nevada Foothills, junction of Tonzi Road and CA-124, NE of Ione 201 Comment
  CAS-BOT-BC422626  Meconella californica Geo. Hansen 1893-1-1 s.n. Amador Fisher's Cabin 609 Comment
  UC1129771  Medicago polymorpha C. M. Belshaw 1936-4-27 2005 Amador 1.6 mi ene Mountain Springs (Plot 54); Jackson Quadrangle Comment
  UC1129779  Medicago polymorpha R. D. Roseberry 1935-4-20 91 Amador 3 mi w Buena Vista; Jackson Quadrangle Comment
  UCR242585  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2011-6-17 17608 Amador Northern Sierra Nevada Mountains Foothills, junction of CA-26 and Joyce Road, northwest of the Hwy 26 bridge over North Fork Mokelumne River, 0.78 mi. SSW (187 deg. ) of Pioneer 762 Comment
  SEINET10599302  Melica aristata George Hansen 1896-7-13 Hansen 1849 Amador Pioneer. 914 Comment
  CDA17059  Melica bulbosa G. F. Hrusa, J. Glazner 2003-7-22 16129 Amador Sierra Nevada; Kirkwood Ski Resort. Low slopes at base of ski runs. Uncommon in +/- shaded areas. Perennial. 2407 Comment
  UCR174404  Melica bulbosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10340 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  CAS-BOT-BC269346  Melica californica Geo. Hansen 1893-5-1 631 Amador Agrc. Station 609 Comment
  SEINET10599407  Melica harfordii George Hansen 1896-6-30 Hansen 1782 Amador Carpenter's Gulch. 549 Comment
  UC38875  Melica torreyana Geo. Hansen 1892-1 619 Amador near Jackson Comment
  UCR253596  Melilotus albus George K. Helmkamp, Elizabeth Helmkamp 2012-11-5 20120 Amador Sierra Nevada Mountains Foothills, Along CA-26 on the north side of the bridge over the North Fork Mokelumne River 628 Comment
  UC1129821  Melilotus indicus C. M. Belshaw 1936-4-27 2025 Amador 6 mi w Central House (Plot 46); Sonora Quadrangle Comment
  SEINET11196337  Melissa officinalis Unknown 2012-10-5 19976 Amador Northern Sierra Nevada Mountains Foothills Comment
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May 21 2019
  UCR240741  Melissa officinalis George K. Helmkamp, E. A. Helmkamp 2012-10-5 19976 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 10.7 miles east of CA-49, in Sutter Creek 635 Comment
  UCD83280  Mentha pulegium CNPS SSN-SJV Foothill Team 2008-7-28 312 Amador Amador County; Near Ione. BLM parcel 2 - off of Carbondale Rd. SE corner of SE BLM parcel located off of Carbondale Rd. Near Ione. Stand is NE of creek bed and trail and SW and ca. 5m from fence, property boundary. 49 Comment
  UCD83282  Mentha pulegium CNPS SSN-SJV Foothill Team 2008-7-28 314 Amador Amador County; Near Ione. BLM parcel 2 - off of Carbondale Rd. 50 Comment
  UCR179789  Mentha pulegium George K. Helmkamp, E. A. Helmkamp 2006-10-6 11478 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 1.1 miles south of Plymouth 314 Comment
  RSA0035746  Mentha spicata var. spicata George K. Helmkamp, Elizabeth A. Helmkamp 2013-9-13 22291 Amador Volcano Road; 0.1 mile northwest of the village of Volcano 671 Comment
  RSA104159  Mentzelia laevicaulis Ernest Braunton 1904-07 s.n. Amador Vicinity of Ione. 61 Comment
  SJSU15392  Mertensia ciliata Lars Rosengreen 2014-6-16 131 Amador Kirkwood Meadow near highway 88. 2369 Comment
  CAS-BOT-BC428710  Micranthes californica Geo. Hansen 1893-3-1 92 Amador Clinton 609 Comment
  CAS-BOT-BC348315  Micropus californicus Gladys L. Smith 1959-5-2 1075 Amador 3 miles from Pardee Reservoir Recreation Area on county road to Jackson 304 Comment
  CAS-BOT-BC228613  Micropus californicus var. californicus George K. Helmkamp; E. A. Helmkamp 2011-6-7 17486 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 7.6 rd. miles northeast (via Pine Gulch & Gopher Flat rds) of junction of Sutter Creek Rd. and Pine Gulch Rd. 712 Comment
  UCR187294  Micropus californicus var. californicus George K. Helmkamp, E. A. Helmkamp 2007-4-5 11735 Amador Foothills, Northern Sierra Nevada Mountains, Sutter to Ione Road, 0.4 mi east of CA-49, northeast of Ione 180 Comment
  CAS-BOT-BC348359  Micropus californicus var. californicus Geo. Hansen 1891-8-1 178 Amador Agr. Station 609 Comment
  UCD112595  Microseris Christopher Mallek 2008-4-30 RP7- 16 Amador River Pines. 688 Comment
  UCR219034  Microseris nutans George K. Helmkamp, E. A. Helmkamp 2010-7-13 16522 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  RSA792069  Mimulus George K. Helmkamp, E. A. Helmkamp 2012-7-14 19385 Amador Northern Sierra Nevada Mountains: Shot Rock Vista Rest Stop along CA-88 (Carson Pass Highway), 1 mile west of junction with Mormon Emigrant Trail. 2329 Comment
  UCR237733  Mimulus George K. Helmkamp, E. A. Helmkamp 2012-7-14 19385 Amador Northern Sierra Nevada Mountains, Shot Rock Vista Rest Stop along CA-88 (Carson Pass Hwy), 1 mile west of the junction with Mormon Emigrant Trail 2329 Comment
  SEINET10570406  Mimulus Mary Susan Taylor, James D. Jokerst 1988-8-19 Taylor 5906 Amador T9N R16E se/sw sec 7. Along small unnamed lake just before Mud Lake turnoff, S of Tragedy Campground on Hwy 88, ca. 1.5 mi S of Silver Lake. Red Fir Forest. Comment
  JEPS4732  Mimulus angustatus Herbert L. Mason 1953-5-17 Amador 2 mi w Aukum Comment
  UCD96162  Mimulus angustatus Dena Grossenbacher; Brian Green 2008-5-14 824 Amador Shake Ridge Road about 0.9 miles south of junction with Fiddletown Road. 968 Comment
  JEPS74326  Mimulus aurantiacus var. aurantiacus David M. Hutt 1964-5-16 1073 Amador 1 mi s Ione (then 0.3 mi up side road to e paralleling railroad tracks) 106 Comment
  UC1063405  Mimulus aurantiacus var. aurantiacus R. D. Roseberry 1935-4-18 55 Amador 1/2 mi se Ione; Jackson Quadrangle Comment
  JEPS14977  Mimulus bicolor C. M. Belshaw 1936-7-2 2413 Amador 2 1/4 mi nw Blakely; Big Trees Quadrangle, Mill Creek Comment
  UC903094  Mimulus bicolor Ethel Crum 1937-6-13 1933 Amador Hams Sierra Nevada, South Fork Cosumnes River 1828 Comment
  UC162758  Mimulus douglasii Brandegee April 1889 Amador Comment
  JEPS85930  Mimulus guttatus Richard H. Ramsey 1961-3-30 29 Amador 4 mi e Plymouth (on road to Fiddletown) Comment
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Jun 25 2013
  POM43702  Mimulus guttatus Geo. Hansen 1896-5-18 1286 Amador New York Falls. 457 Comment
  RSA0013392  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2010-4-3 15798 Amador Low foothills northern Sierra Nevada Moutnains: 4.35 mi. NE (31 degrees) of Ione, juntion of Tonzi Road and CA-124/East Plymouth Hwy 180 Comment
  UCR184963  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-4-23 11803 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  POM43698  Mimulus guttatus Geo. Hansen 1892-4-14 135 Amador Middle Fork. 396 Comment
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Jun 25 2013
  POM43707  Mimulus guttatus Geo. Hansen 1896-6-3 1048 Amador Middle Fork. 396 Comment
  HSC83323  Mimulus kelloggii Kim Steiner 1978-4-30 206 Amador Hale Rd., 0.3 mi. N of South Fork of Dry Creek 537 Comment
  RSA535806  Mimulus kelloggii David M. Thompson 1988-3-20 846 Amador 1.7 mi W of Pine Grove-Volcano Road along Sutter Creek-Volcano Road. 564 Comment
  UCD122729  Mimulus kelloggii Kim E. Steiner 1978-4-30 206 Amador 0.3 mi N of South Fork of Dry Creek. 536 Comment
  UCR233341  Mimulus layneae George K. Helmkamp, E. A. Helmkamp 2011-8-6 17965 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  RSA0013401  Mimulus mephiticus George K. Helmkamp, E. A. Helmkamp 2012-7-2 19305 Amador Bear River Road at the south end of the dam of Lower Bear River Reservoir 1774 Comment
  UC124414  Mimulus microphyllus Geo. Hansen May 1895 1123 Amador Armstrong's Sta. Sequoia Gigantea Region 1524 Comment
  UCD122668  Mimulus microphyllus G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11803 Amador Northern Sierra Nevada Mountains; junction of Tonzi Road and CA-124 about 7 miles north of Ione. 229 Comment
  POM273251  Mimulus moschatus Lyman Benson 1931-8-24 2853 Amador Silver Lake, Sierra Nevada. Near the lake. 2287 Comment
  HSC40754  Mimulus nanus var. mephiticus R. York 1977-8-11 32 Amador Around Bear River reservoir 1829 Comment
  POM273166  Mimulus primuloides var. pilosellus Lyman Benson 1931-8-23 2834 Amador Silver Lake, Sierra Nevada. 2287 Comment
  RSA0013373  Mimulus tilingii George K. Helmkamp, E. A. Helmkamp 2010-9-1 16877 Amador Northern Sierra Nevada Mountains: along CA-88, 2.6 miles southwest of its junction with Mormon Emigrant Trail, e. 2.75 mi NNW of Upper Bear River Reservoir. 2162 Comment
  UCR256500  Mimulus tilingii George K. Helmkamp, Amy Barnes 2014-5-8 22859 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 0.2 mile east of old CA-49 in town of Sutter Creek 375 Comment
  UC445204  Mimulus tilingii Geo. Hansen 467 Amador Comment
  JEPS30985  Mimulus torreyi D. E. Breedlove 1962-6-14 3641 Amador 23 mi e Pine Grove (along State Highway 88); Sierra Nevada 1645 Comment
  OBI60014  Mimulus viscidus Robert F. Hoover 1937-6-10 2412 Amador Ione Comment
  UCD18691  Mimulus viscidus Roman Gankin 1956-6-20 181 Amador 0.3 mi. east of Ione, on State Hwy 88 from Jackson to Stockton, at Buena Vista crossroad. 76 Comment
  JEPS21543  Mimulus viscidus var. viscidus Calvin McMillan 1950-5-7 1588 Amador 2 1/2 mi s Ione Comment
  JEPS86923  Mimulus viscidus var. viscidus David M. Thompson 1988-5-16 899 Amador 0.5 mi n Hwy 88 (along Ione-Buena Vista Road, then 0.1 mi e along dirt road); Ione 107 Comment
  UC726420  Mimulus viscidus var. viscidus A. A. Heller 1941-5-10 16118 Amador two mi e Ione (along State Hwy 88) Comment
  UC8119  Minuartia douglasii Geo. Hansen 1892-1 Amador Jackson Comment
  HSC40742  Monardella lanceolata R. York 1977-6-20 6 Amador Edge of Tiger Creek Reservoir, 4 mi. off Hwy. 88 Comment
  SEINET9289980  Monardella odoratissima Unknown 2012-7-14 19371 Amador Nortehrn Sierra Nevada Mountains Comment
  UCR237727  Monardella odoratissima George K. Helmkamp, E. A. Helmkamp 2012-7-14 19371 Amador Northern Sierra Nevada Mountains, Shot Rock Vista Rest Stop along CA-88 (Carson Pass Hwy), 1 mile west of the junction with Mormon Emigrant Trail 2329 Comment
  UCR189524  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2007-8-16 12754 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 3.5 miles south of its junction with Mormon Emigrant Trail 2146 Comment
  UCR258976  Monardella odoratissima subsp. pallida George K. Helmkamp, Amy Barnes 2014-10-10 23129 Amador Northern Sierra Nevada Mountains, west side of Bear River Reservoir, 0.2 mile north of the dam 1796 Comment
  UC66897  Monardella villosa subsp. villosa Ernest Braunton June, 1904 1046 Amador Vicinity of Ione 60 Comment
  CAS-BOT-BC444819  Montia fontana Alice Eastwood 1921-3-19 10107 Amador Ione Comment
  SD239536  Muhlenbergia filiformis George K. Helmkamp, E. A. Helmkamp 2012-7-2 19309 Amador Northern Sierra Nevada Mountains: Bear River Road, 0.1 mile east of the south end of the dam of Lower Bear River Reservoir (Peddler Hill 7.5'Q) 1776 Comment
  CAS-BOT-BC274972  Muhlenbergia rigens Geo. Hansen 1892-5-1 949 Amador Agrc. Station 609 Comment
  UC60740  Muhlenbergia rigens Geo. Hansen 1894-1 949 Amador Comment
  UC40010  Nassella pulchra Geo. Hansen 1896-5-26 1668 Amador Jackson Gate Sequoia Gigantea Region 457 Comment
  RSA469863  Navarretia divaricata E. E. Stanford 1933-8-10 2107 Amador Silver Lake Region: Amador and Alpine Counties. 2287 Comment
  UCD37126  Navarretia intertexta Beecher Crampton 1957-5-28 4080 Amador Amador County, 2 miles south of Ione, along new Highway 88. Comment
  SEINET12350167  Navarretia intertexta Unknown 1957-5-28 4080 Amador 2 mi S of Ione, along new Hwy 88 Comment
  SEINET3884757  Navarretia leucocephala subsp. leucocephala Rebecca Wayman 2012-5-10 s.n. Amador Arroyo Seco vicinity, off Ione-Michigan Bar Road at Amador/Sacramento county line, northwest of Indian Hill, due west of Carbondale.; 0 61 Comment
  SEINET14156389  Navarretia mellita E. Braunton 1080 Amador Vicinity of Ione; 38.352691 -120.932718 152 Comment
  CAS-BOT-BC7172  Navarretia prolifera Mary Katherine (Mrs.) Brandegee s.n. Amador unspecified Comment
  UC191530  Navarretia prolifera M. K. Curran May 1886 Amador Amador Co. Comment
  CAS-BOT-BC233556  Navarretia prolifera subsp. prolifera Geo. Hansen 1896-6-9 1726 Amador The Sequoia Region. Rancheria 762 Comment
  CHSC89317  Navarretia pubescens G. F. Hrusa; J. Glazner 2001-6-7 15867 Amador Ione Region. Sutter Ione Rd. 0.6 mi. E of Hwy 124 and +- 3-4 mi. N of Ione--the 'Ott Ranch.' Drainage below pond. UTM: 10 S, 4250601 N, 068333 E. 213 Comment
  UC570259  Navarretia pubescens R. D. Roseberry 1935-5-6 149 Amador 3.5 mi sw Buena Vista; Jackson Quad. 121 Comment
  CDA17047  Navarretia sinistra G. F. Hrusa, J. Glazner 2003-7-22 16117 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  RSA748949  Navarretia squarrosa J. R. Shevock 1985-7-31 11329 Amador Irish Mill near the town of Ione. 91 Comment
  UC66425  Navarretia squarrosa Ernest Braunton Jul 1904 1136 Amador vicinity Ione 60 Comment
  UCD32774  Navarretia squarrosa Beecher Crampton 1954-8-3 2239 Amador Amador County, Clinton Peak, east slope, 0.5 miles north of Clinton, on mountain slope. 670 Comment
  UCD32784  Navarretia squarrosa Beecher Crampton 1954-8-3 2254 Amador Amador County, 1.5 miles northwest of Clinton, west slope of Clinton Peak, edge of chaparral and road shoulders. Comment
  UCR136860  Navarretia squarrosa Beecher Crampton 1954-8-3 2254 Amador Northern Sierra Nevada Foothills, 1.5 miles north of Clinton, west slope of Clinton Peak 549 Comment
  UC124859  Navarretia subuligera Katharine Brandegee 1886-5-25 Amador Comment
  SEINET14160501  Navarretia subuligera E. Braunton 1002 Amador Waterman, grounds of Preston School. Comment
  UC762865  Navarretia tagetina R. F. Hoover 1937-6-10 2405 Amador 4 mi sw Ione Comment
  POM74735  Navarretia viscidula Geo Hansen 1893-6-18 130 Amador Sequoia gigantea region: New York Falls. 457 Comment
  UC1124157  Navarretia viscidula C. M. Belshaw 1936-7-7 2441 Amador 3.2 mi ene Jackson Butte; Jackson Quad. 640 Comment
  UC188504  Navarretia viscidula Geo. Hansen Jul 1893 130 Amador Jackson; ; Jackson, Amador Co. 396 Comment
  UC101885  Navarretia viscidula Geo. Hansen Jul 1894 130 Amador Middle Fork; ; Middle Fork, Amador Co. 396 Comment
  SEINET10461178  Nemacladus interior Hansen 1893-5-3 HANSEN 98 Amador Irishtown 457 Comment
  SEINET10461218  Nemacladus interior Edward L. Greene 1889-6-10 Greene s.n. Amador Mountains of Amador County Comment
  RSA0070098  Nemophila heterophylla George K. Helmkamp, Amy Barnes 2014-5-8 22851 Amador Along CA-104, 1.2 miles southeast of Ione. 146 Comment
  SD197797  Nemophila heterophylla G. K. Helmkamp, E. A. Helmkamp 2007-4-23 11778 Amador Northern Sierra Nevada Mountains: along Bell Road beside Plymouth Creek just east of CA-49 in the vicinity of Enterprise. 302 Comment
  UCD120027  Nemophila heterophylla G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11778 Amador Northern Sierra Nevada Mountains: along Bell Road beside Plymouth Creek just east of CA-49 in the vicinity of Enterprise. 302 Comment
  UCD120067  Nemophila heterophylla Jon Weil 1962-4-3 s.n. Amador Above roadbank on southwest side of road; State Highway 49, 1 mile southeast of Amador City. Comment
  UC67142  Nemophila maculata Geo. Hansen May 12, 1895-May 16, 1895 88 Amador Clinton Sequoia Gigantea Region (Sequoia Gigantea Region) 609 Comment
  UCD120221  Nemophila menziesii Donald J. Nevins 1963-5-7 18 Amador Near Cook's Station, State Highway 88. 914 Comment
  UCD15536  Nemophila menziesii Lara Hawthorne 1989-5-6 21 Amador Town of Volcano. 106 Comment
  SD241047  Nemophila menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2012-3-22 18636 Amador Northern Sierra Nevada Mountains Foothills: Bell Road, 0.2 mile east of its junction with CA-49 (Fiddletown 7.5'Q) 270 Comment
  SEINET7096792  Nemophila pulchella var. fremontii A. G. Vestal 1955-4-3 3242 Amador Woodland-grass area near a stream north of Ione. NAD27, 38.352? deg. , -120.9260?_ (converted to WGS84). Comment
  UCR232221  Nemophila pulchella var. pulchella George K. Helmkamp, E. A. Helmkamp 2011-6-7 17495 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 7.6 rd. miles northeast (via Pine Gulch & Gopher Flat rds) of junction of Sutter Creek Rd. and Pine Gulch Rd. 712 Comment
  UC735113  Nemophila spatulata Lincoln Constance 1946-7-2 3089 Amador Aspen meadow 1.7 mi ne Silver Lake; ne of Silver Lake 2438 Comment
  UC1125136  Nicotiana attenuata C. M. Belshaw 1936-6-30 2400 Amador 2.5 mi nnw Rich Gulch; Jackson Quad. 762 Comment
  UC66964  Nicotiana quadrivalvis Ernest Braunton Jul 1904 1171 Amador vicinity Ione 60 Comment
  JEPS28481  Nuttallanthus texanus R. D. Roseberry 1935-5-2 125 Amador 1/4 mi s of Biena Vista Peak 213 Comment
  UC12464  Oemleria cerasiformis Geo. Hansen 1892-1 211 Amador Comment
  UC168629  Oenothera elata subsp. hirsutissima Katharine Brandegee 1910-6-29 Amador near Cook's (Wylie) Station (in an abandoned garden) Comment
  UCR194693  Oenothera elata subsp. hirsutissima George K. Helmkamp, E. A. Helmkamp 2007-10-13 13097 Amador Central Valley / Northern Sierra Nevada Foothills, along CA-124, 0.3 mile north of its junction with CA-88 and south of Ione 87 Comment
  UCR240736  Oenothera elata subsp. hirsutissima George K. Helmkamp, E. A. Helmkamp 2012-9-1 19730 Amador Northern Sierra Nevada Mountains Foothills, aong CA-88 (Carson Pass Hwy) at the east end of Jackson; 0.2 mile east of the junction with CA-49 366 Comment
  CAS-BOT-BC71177  Ophioglossum californicum Ernest Braunton 1904-12-1 1255 Amador Vicinity of Ione 76 Comment
  CAS-BOT-BC499838  Orobanche fasciculata Geo Hansen 1896-5-13 1630 Amador White Bar, Mokelumne River 304 Comment
  SEINET10702268  Orthocarpus cuspidatus subsp. cryptanthus Karen M. Meyer, Andrew Townesmith 2007-8-10 Meyer 210 Amador El Dorado National Forest, Martin Meadow off California Highway 88. 2320 Comment
  POM313486  Orthocarpus linearilobus P. C. Hutchinson 1962-4-28 2386 Amador Between Sutter Creek and Daffodil Hill, along Gopher Gulch road, near Rancheria Creek. 671 Comment
  SBBG128999  Osmorhiza berteroi G. K. Helmkamp, E. A. Helmkamp 2012-7-14 19391 Amador edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 mi N of Silver Lake 2317 Comment
  UCR233195  Oxalis laxa George K. Helmkamp, E. A. Helmkamp 2010-4-7 15842 Amador Northeast San Joaquin Valley, along CA-88, 0.9 mile northeast of the San Joaquin County line 84 Comment
  UCD34009  Panicum acuminatum Beecher Crampton 1975-8-27 9258 Amador Amador County, 1.5 miles south of Ione on Hwy. 124. Comment
  UC1153806  Panicum acuminatum var. acuminatum Beecher Crampton 1957-5-28 4065 Amador 5.2 mi ne Jackson; just below old UC Foothill Experiment Station entrance Comment
  UC39308  Panicum acuminatum var. acuminatum Geo. Hansen 1892-1 616 Amador near Jackson; near Jackson Comment
  UC768481  Panicum acuminatum var. acuminatum R. F. Hoover 1937-6-10 2418 Amador Ione Comment
  UCD38698  Panicum acuminatum var. fasciculatum Beecher Crampton 1957-5-28 4065 Amador 5.2 miles northeast of Jackson, just below the old UC Foothill Field station entrance. Comment
  UCD88216  Panicum acuminatum var. fasciculatum Beecher Crampton 1954-8-3 2247 Amador 1 mile south of Clinton. Comment
  UCD88541  Panicum acuminatum var. fasciculatum Beecher Crampton 1975-8-27 9258 Amador 1.5 miles south of Ione. Comment
  CDA36233  Panicum capillare G. K. Helmkamp, E. A. Helmkamp 2009-9-22 15647 Amador Sierra Nevada Mountains Foothills; Junction of Shenandoah Road (CA Hwy 16) and Steiner Road, southwest of River Pines. Comment
  UCR219196  Panicum capillare George K. Helmkamp, E. A. Helmkamp 2009-9-22 15647 Amador Sierra Nevada Mountains Foothills, junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 Comment
  SEINET10518932  Panicum capillare George Hansen 1896-8-29 Hansen 599 Amador Flora of the Sequoia Gigantea Region. Comment
  UCD34004  Panicum capillare subsp. hillmanii Beecher Crampton 1975-8-27 9253 Amador Amador County, Hwy. 16, 1.5 miles east of old Devore Station, ca. 1 mile west of Forest Home. Comment
  SEINET239020 Image available Panicum capillare subsp. hillmanii Beecher Crampton 1975-8-27 9253 Amador Hwy 16 1.5 miles east of old Devore Station ca. 1 mile west of Forest home. Comment
  SEINET10606309  Panicum capillare var. capillare George Hansen 1893-1 Hansen 599 Amador Pine Grove. 762 Comment
  CAS-BOT-BC253782  Panicum hillmanii Beecher Crampton 1975-8-27 9253 Amador Highway 16, 1.5 miles E of old Devore Station, ca. 1 mile W of Forest Home Comment
  SEINET10563834  Panicum huachucae var. fasciculatum George Hansen 1893-1 Hansen 1232 Amador Comment
  CAS-BOT-BC422843  Papaver rhoeas G. K. Helmkamp; E. A. Helmkamp 2008-5-4 13400 Amador Sierra Nevada Mountains Foothills: along CA-49, 0.1 mile north of Drytown. 200 Comment
  RSA0115711  Papaver rhoeas George K. Helmkamp, Mary Alice Barnes 2013-5-13 20604 Amador Sierra Nevada Mountains: in the town of Pioneer, 0.1 mile west of Pioneer Creek Road along HWY 88/Carson Pass Hwy. 902 Comment
  UCR257556  Papaver rhoeas George K. Helmkamp, Mary Alice Barnes 2013-5-13 20604 Amador Sierra Nevada Mountains, in the town of Pioneer, 0.1 mile west of Pioneer Creek Road along Hwy 88/Carson Pass Hwy 902 Comment
  SEINET3821620 Image available Parentucellia viscosa George K. Helmkamp, E. A. Helmkamp 2011-6-22 17614 Amador Northern Sierra Nevada Mountains Foothills, Sutter-Ione Road, 2.2 miles west of its junction with CA-49 (Amador City 7.5' Q) 312 Comment
  SEINET7072513  Parvisedum congdonii A. G. Vestal 1963-5-5 s.n. Amador Along Little Indian Creek. About 23.7 miles west of Plymouth. Coordinate datum: NAD 27. UTM Zone 10, 682518mE, 4261592mN. Comment
  UCR184965  Parvisedum congdonii George K. Helmkamp, E. A. Helmkamp 2007-4-23 11812 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UCR240749  Paspalum dilatatum George K. Helmkamp, E. A. Helmkamp 2012-10-5 19990 Amador Northern Sierra Nevada Mountains Foothills, Fiddletown Road, 1.5 miles west of Fiddletown 466 Comment
  CAS-BOT-BC69415  Pellaea bridgesii Geo. Hansen 1893-1-1 s.n. Amador Silver Lake 2438 Comment
  CAS-BOT-BC67594  Pellaea mucronata Geo. Hansen 1895-4-1 657 Amador New York Falls 609 Comment
  CAS-BOT-BC67595  Pellaea mucronata Geo. Hansen 1895-4-1 657 Amador Agrc. Station 609 Comment
  CAS-BOT-BC67596  Pellaea mucronata Ernest Braunton 1904-12-1 1261 Amador Vicinity of Ione. 152 Comment
  CAS-BOT-BC67597  Pellaea mucronata Geo. Hansen 1895-1-1 s.n. Amador New York Falls Comment
  UCR230136  Pellaea mucronata subsp. mucronata George K. Helmkamp, E. A. Helmkamp 2011-5-19 17290 Amador Lower Sierra Nevada Foothills, NW of Pardee Reservoir, 0.1 mile east of Rock Creek Road on a gravel spur leading to houses, 4.65 mi. SW (220 deg. ) of Jackson 280 Comment
  UCR242794  Penstemon George K. Helmkamp, E. A. Helmkamp 2010-9-1 16917 Amador Northern Sierra Nevada Mountains, Dufrene Road 0.7 mile east of its junction with CA-88, north of Lower Bear River Reservoir 2044 Comment
  SEINET5326486 Image available Penstemon azureus var. angustissimus E. Mulliken 1904-6-1 14 Amador Sierra Nevada Mtns., Caminetti Ranch, near Jackson 488 Comment
  UC2015365  Penstemon azureus var. azureus G. K. Helmkamp, E. A. Helmkamp 2011-9-16 18301 Amador Northern Sierra Nevada Mountains Foothills: along CA-26 (Red Corral Rd.), 2.2. miles north of hte crossing over North Fork Mokelumne River, 1 mile SSE (159 deg. ) of Pioneer Comment
  UCR233383  Penstemon azureus var. azureus George K. Helmkamp, E. A. Helmkamp 2011-9-16 18301 Amador Northern Sierra Nevada Mountains Foothills, along CA-26 (Red Corral Rd.), 2.2 miles north of the crossing over North Fork Mokelumne River, 1 mile SSE (159 deg. ) of Pioneer 762 Comment
  CAS-BOT-BC264351  Penstemon heterodoxus var. heterodoxus W. Bryan Duncan 1927-7-15 s.n. Amador Vicinity of Silver Lake 2834 Comment
  HSC40740  Penstemon heterophyllus subsp. purdyi R. York 1977-6-20 8 Amador Tiger Creek Reservoir Rd. 610 Comment
  HSC40741  Penstemon heterophyllus subsp. purdyi R. York 1977-6-20 7 Amador Tiger Creek Reservoir Rd. 610 Comment
  RSA517804  Penstemon laetus subsp. laetus D. E. Breedlove, M. Bourell, R. Patterson 1986-6-5 62621 Amador Flat Ridge 12 mi E of Fiddletown. Comment
  RSA703677  Penstemon newberryi Gary D. Wallace 1987-6-23 2668 Amador Kirkwood Lake, near Hwy 88 NE of Silver Lake. Above lake. Comment
  CAS-BOT-BC245664  Penstemon newberryi var. newberryi Geo. Hansen 1892-7-1 451 Amador Silver Lake 2438 Comment
  SD235042  Penstemon newberryi var. newberryi G. K. Helmkamp 2007-6-29 12414 Amador Nothern Sierra Nevada Mountains: Shot Rock Vista picnic area along CA-88, 0.9 miles east of its junction with Mormon Emigrant Trail. 2329 Comment
  UC1280779  Penstemon newberryi var. newberryi H. E. McMinn 1931-7-29 2621 Amador Silver Lake Comment
  UCR219052  Penstemon newberryi var. newberryi George K. Helmkamp, E. A. Helmkamp 2009-9-15 15609 Amador Northern Sierra Nevada Mountains, south side of Bear River Reservoir, 0.1 mile east of the dam 1774 Comment
  UCR261982  Penstemon newberryi var. newberryi George K. Helmkamp, Amy Barnes 2014-10-10 23136 Amador Northern Sierra Nevada Mountains, west side of Bear River Reservoir, 0.2 mile north of the dam 1796 Comment
  CDA17040  Penstemon roezlii G. F. Hrusa, J. Glazner 2003-7-22 16110 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  SBBG128638  Penstemon roezlii G. K. Helmkamp, E. A. Helmkamp 2011-8-6 17987 Amador Ellis Rd, 0.2 mi S of its jct with CA-88 2009 Comment
  SEINET4560782  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2012-1 19280 Amador Northern Sierra Nevada Mountains; Panther Creek Road, 4.1 miles south of its junction with CA-88, S of Hwy 88/Carson Pass Hwy. and W of Lower Bear Reservoir. 1518 Comment
  UC69665  Penstemon roezlii Earle Mulliken Jul 27 1904-Aug 5 1904 120 Amador Silver Lake Sierra Nevada Mountains, Silver Lake 2194 Comment
  NY650105  Penstemon roezlii D. W. McNeal 1972-6-24 1096 Amador On an open hillside above Highway #88, 1 mile east of Lumberyard R.S., El Dorado National Forest Comment
  CAS-BOT-BC239422  Penstemon rydbergii var. oreocharis Geo. Hansen 1893-10-1 452 Amador Silver Lake 2438 Comment
  CAS-BOT-BC239423  Penstemon rydbergii var. oreocharis Geo. Hansen 1892-7-1 453 Amador Silver Lake 2438 Comment
  UCR197329  Penstemon rydbergii var. oreocharis George K. Helmkamp, E. A. Helmkamp 2008-7-11 13786 Amador Northern Sierra Nevada Mountains, Shot Rock Vista picnic area on the south side of CA-88, 0.9 mile east of the junction of Mormon Emigrant Trail 2329 Comment
  UC1281078  Penstemon speciosus H. E. McMinn 1932-7-21 2911 Amador Thimble Peak Comment
  UCD124506  Penstemon speciosus T. E. Weier 1940-7-25 s.n. Amador 2 miles south of Carson Spur. Comment
  CAS-BOT-BC327986  Pentachaeta alsinoides John Thomas Howell 1954-5-18 29796 Amador 2 miles NNE of Buena Vista 91 Comment
  UC1440071  Pentagramma pallida Alan Smith with C. D. MacNeill 1975-4-11 660 Amador 1.8 mi s of intersectrion of Commanche Parkway and Buena Vista Rd 91 Comment
  CAS-BOT-BC77116  Pentagramma triangularis subsp. triangularis Alice Eastwood 1921-3-19 10097 Amador Ione 91 Comment
  CAS-BOT-BC77117  Pentagramma triangularis subsp. triangularis Ernest Braunton 1904-8-1 1260 Amador Ione 152 Comment
  SEINET10454485  Perideridia Mary Susan Taylor, James D. Jokerst 1988-8-19 Taylor 5907 Amador T9N R16E se/sw sec 7. Along small unnamed lake just before Mud Lake turnoff, S of Tragedy Campground on Hwy 88, ca. 1.5 mi S of Silver Lake. Red Fir Forest. Comment
  UCR188508  Perideridia lemmonii George K. Helmkamp, E. A. Helmkamp 2007-7-17 12513 Amador Northern Sierra Nevada Mountains, along CA-88, 0.7 mile north of its junction with Mormon Emigrant Trail; Shot Rock trailhead 2325 Comment
  UCR237724  Perideridia lemmonii George K. Helmkamp, E. A. Helmkamp 2012-7-14 19378 Amador Northern Sierra Nevada Mountains, Shot Rock Vista Rest Stop along CA-88 (Carson Pass Hwy), 1 mile west of the junction with Mormon Emigrant Trail 2329 Comment
  UC1389948  Perideridia lemmonii T. I. Chuang and L. Constance 1964-7-1 5960 Amador Comment
  UCD15484  Petrorhagia dubia Kathie Specht 1984-5-2 2 Amador 1 mile E of defender Rd on Red Corral Rd. 621 Comment
  UCR196922  Phacelia George K. Helmkamp 2008-6-17 13657 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  CDA13203  Phacelia cicutaria G. F. Hrusa, J. Hart 1996-5-9 12928 Amador Cosumnes River Drainage; Howard Ranch. Hills S of Twin Cities Rd. (Hwy. 104). Comment
  CAS-BOT-BC83670  Phacelia cicutaria var. cicutaria Alice Eastwood; John Thomas Howell 1941-4-23 8683 Amador Between Jackson and Mokolumne Hill Comment
  POM73460  Phacelia egena Geo. Hansen 1896-4-25 1283 Amador Stoney Creek. 305 Comment
  SD244171  Phacelia egena George K. Helmkamp, E. A. Helmkamp 2012-6-26 19289 Amador Northern Sierra Nevada Mountain: Panther Creek Road, 8.0 miles south of its juncton with CA-88, along East Panther Creek (Peddler Hill 7.5'Q) 1345 Comment
  UCD120483  Phacelia hastata subsp. hastata G. K. Helmkamp; Elizabeth A. Helmkamp 2006-6-29 10805 Amador Northern Sierra Nevada: Northbound along Hwy CA-26, 0.6 mile past the North Fork of Mokelumne River. 732 Comment
  UCD120486  Phacelia hastata subsp. hastata G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12752 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 3.5 miles south of its junction with Mormon Emigrant Trail. Comment
  UCR233268  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2011-8-6 17998 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  SEINET3258000 Image available Phacelia heterophylla subsp. virgata George K. Helmkamp, E. A. Helmkamp 2008-5-4 13387 Amador Sierra Nevada Mountains Foothills; along Tiger Creek Road, 2.8 miles east of CA-88; at the entrance to Tiger Creek Reservoir. 744 Comment
  CDA17007  Phacelia hydrophylloides G. F. Hrusa, J. Glazner 2003-7-22 16086 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  RSA298619  Phacelia hydrophylloides Lincoln Constance 1946-7-1 3083 Amador Divide between Cosumnes and Bear rivers, 10.5 miles SW of Silver Lake, Sierra Nevada. 2134 Comment
  UCSB16681  Phacelia quickii Breedlove, Dennis 1962-6-14 Amador Along State Highway 88, 25.2 miles east of Pine Grove; Sierra Nevada 1828 Comment
  JEPS1332  Phacelia suaveolens R. F. Hoover 1937-6-10 2419 Amador Ione Comment
  UCD80588  Phalaris aquatica CNPS SN Foothill Team 2006-5-2 SNFN 0435 a Amador Champlin property (private), 150 m N of Sutter Creek Road on a seasonal unnamed creek behind the landowner's house. 399 Comment
  CAS-BOT-BC72721  Philadelphus lewisii Geo. Hansen 1895-7-1 1169 Amador Crow Point 457 Comment
  RSA7572  Philadelphus lewisii Carl B. Wolf, B. D. Stark 1933-9-22 5474 Amador 3/4 mile north of Mukelumne River on Mukelumne Hill to Jackson Road. West slope of Sierra Nevada. 305 Comment
  UC858339  Philadelphus lewisii Carl B. Wolf 1933-6-30 5128 Amador Mokelumne Hill-Jackson Rd. 3/4 mi n Mokelumne River; W. Slope Sierra Nevada 304 Comment
  SD40751  Philadelphus lewisii var. californicus Carl B. Wolf 1933-6-30 Amador W. slope Sierra Nevada. Mokelumne Hill - Jackson Road, 3/4 mi. no. of Mokelumne River. 305 Comment
  CAS-BOT-BC253542  Phleum alpinum Gwendolan Newell 1929-8-24 s.n. Amador Summit, Emigrant Trail, Silver Lake 2438 Comment
  CAS-BOT-BC253543  Phleum alpinum W. Bryan Duncan 1927-8-1 s.n. Amador Vicinity of Silver Lake Comment
  SEINET4142458 Image available Phleum pratense George K. Helmkamp, E. A. Helmkamp 2010-9-1 16885 Amador Northern Sierra Nevada Mountains: along CA-88, 2.6 mi. SW of junction with Mormon Emigrant Trail, 2.75 mi. NNW of Upper Bear River Reservoir 2161 Comment
  UC39478  Phleum pratense Geo. Hansen 1896-7-7 1799 Amador Aqueduct Sequoia Gigantea Region; , Aqueduct 822 Comment
  SEINET10657696  Phleum pratense George Hansen 1896-1 Hansen 1799 Amador Flora of the Sequoia Gigantea Comment
  RSA700628  Phlox diffusa Gary D. Wallace 1987-6-23 2672 Amador Kirkwood Lake, near Hwy 88 NE of Silver Lake. Above lake. Comment
  UC23684  Phlox gracilis Geo. Hansen 1892-1 Amador Bear Valley Comment
  UC880605  Phlox speciosa subsp. occidentalis Carl B. Wolf 1933-5-24 Amador 0.4 mi s Pine Grove (w slope Sierra Nevada); Sierra Nevada 762 Comment
  JEPS42606  Phoradendron juniperinum M. K. C. Curran Brandegee June 1886 Amador Comment
  SEINET9262012  Phoradendron macrophyllum George K. Helmkamp 2014-1 22691 Amador Eastern edge of San Joaquin Valley/lower Sierra Nevada Foothills Sutter Creek along West Marlette Street, 0.1 mile east of Dave Brubeck Road, west end of city of Ione (Ione 7.5 Q) 85 Comment
  UCR253476  Phoradendron macrophyllum George K. Helmkamp 2014-4-5 22691 Amador Eastern edge of San Joaquin Valley/lower Sierra Nevada Foothills, Sutter Creek along West Marlette Street, 0.1 mile east of Dave Brubeck Road, west end of city of Ione 85 Comment
  RSA263822  Phoradendron villosum J. T. Howell 1960-11-10 36470 Amador Ione. Comment
  SEINET13276780 Image available Pinus contorta subsp. murrayana George K. Helmkamp, Amy Barnes 2014-1 23150 Amador Northern Sierra Nevada Mountains: Plasse Road at the south end of Silver Lake and 0.1 mile north of Plasse's Resort (Tragedy Spring 7.5' Q.) 2214 Comment
  RSA302137  Pinus contorta var. murrayana J. R. Shevock 1972-7-23 2175 Amador Near Capels Lake. 2287 Comment
  RSA0116406  Pinus contorta var. murrayana Lyman Benson 1931-8-25 2867 Amador Near Silver Lake, Sierra Nevada. 2287 Comment
  UCR184966  Pinus jeffreyi George K. Helmkamp, E. A. Helmkamp 2007-4-23 11800 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  CAS-BOT-BC73133  Pinus lambertiana Geo. Hansen 1895-5-1 927 Amador Agrc. Station 609 Comment
  CAS-BOT-BC78822  Pinus monophylla Gwendolan Newell 1929-8-24 s.n. Amador Silver Lake 2206 Comment
  SDSU1548  Pinus monticola Helen Dale 1929-7-30 540 Amador Carson Spur. 2743 Comment
  UCR190208  Pinus ponderosa George K. Helmkamp, E. A. Helmkamp 2007-9-4 12897 Amador Northern Sierra Nevada Mountains, west slope, along CA-88 6.2 miles west of Hams Station 1375 Comment
  CAS-BOT-BC72822  Pinus sabiniana Peter H. Raven 1956-12-2 10524 Amador Just south of Ione 121 Comment
  UC192  Pinus sabiniana Geo. Hansen 1895-4-1 927 Amador New York Falls Sequoia Region, New York Falls 609 Comment
  UC195  Pinus sabiniana W. L. Jepson 1902-10-2 Amador Gwin Mine Comment
  JEPS64431  Piperia elongata W. L. Jepson 1923-5-30 9960 Amador Buena Vista Comment
  POM107704  Piperia elongata Geo Hansen 1896-6-30 2011 Amador Sequoia gigantea region: Carpenters Gulch 549 Comment
  CHSC52003  Plagiobothrys fulvus var. campestris Hank Thompson 1980-4-5 9 Amador Ca. 3 1/2 mi NE of Fiddletown, 1 mi N of Tyler Rd. 548 Comment
  UC78208  Plagiobothrys greenei T. S. Brandegee May 1890 Amador Ione Comment
  CAS-BOT-BC520368  Plagiobothrys nothofulvus George K. Helmkamp 2014-4-5 22674 Amador Eastern San Joaquin Valley: Sutter Creek--Ione Road, 1.2 mi S of jct with CA-124 196 Comment
  SEINET7063040  Plagiobothrys nothofulvus A. G. Vestal 1962-4-5 s.n. Amador Serpentine on Route 124. About 4.3 miles northeast of Ione. UTM Zone 10, 683984mE, 4252567mN. (WGS84/NAD83). 201 Comment
  UC1069061  Plagiobothrys nothofulvus G. T. Nordstrom 1936-4-19 720 Amador 0.9 mi n Plymouth; Jackson Quad. 304 Comment
  UCD120899  Plagiobothrys nothofulvus G. K. Helmkamp; E. A. Helmkamp 2007-3-17 11642 Amador Sacramento Valley/Sierra Nevada Foothills: Hwy CA-24, 3.2 mi southwest of Plymouth near Tonzi Road. 210 Comment
  UCR235283  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2012-4-19 18795 Amador Northern Sierra Nevada Mountains Foothills, Bunker Hill Road at the junction with Fremont Mine Road, just north of Amador City 311 Comment
  UCR242639  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2010-4-3 15811 Amador Foothills Northern Sierra Nevada Mountains, Willow Creek Road, 1.2 miles north of its junction with CA-124, 3.7 mi. NE (22 deg. ) of Ione 175 Comment
  UCR198488  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, E. A. Helmkamp 2008-5-4 13378 Amador Sierra Nevada Mountains, Barton, c. 15 miles (air) NE of Jackson, at the junction of Tiger Creek Road and Black Prince Road, 0.6 mil east of the junction of Tiger Creek Road with CA-88 936 Comment
  RSA6748  Plagiobothrys stipitatus var. micranthus C. B. Wolf 1933-5-24 4937 Amador 3.3 miles NW of Ione; West slope Sierra Nevada. 91 Comment
  JEPS39464  Plantago coronopus John Thomas Howell 1954-5-18 29810 Amador 2 mi nne Buena Vista; Sierra Nevada 91 Comment
  JEPS12984  Plantago erecta Rimo Bacigalupi with G. T. Robbins 1955-5-5 5029 Amador 0.6 min Pardee Dam (along road to Buena Vista) 198 Comment
  CDA32873  Plantago erecta CDFA Staff 1980-1 Amador Ione: Goose Hill 0 Comment
  RSA0093487  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2012-9-20 19881 Amador Northern Sierra Nevada Mountains Foothills. along Hwy E-26 (Red Corral/West Point-Pioneer Rd.) just north of the bridge over the North Fork Mokelumne River. 613 Comment
  UCR253189  Plantago lanceolata George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22165 Amador Sierra Nevada Mountains Foothills, Along CA-49, just northeast of its junction with Randolph Court, c. 1 km S of Plymouth 326 Comment
  RSA412556  Plantago lanceolata F. C. Ball 1933-4-13 18280 Amador Jackson. Comment
  SEINET4178567 Image available Plantago lanceolata Unknown 2010-4-3 Amador Foothills Northern Sierra Nevada Mtns. 175 Comment
  SDSU679  Platanthera leucostachys Helen L. Dale 1929-7-29 Amador Foot of Carson Spur 2438 Comment
  SD240799  Platanthera sparsiflora George K. Helmkamp, E. A. Helmkamp 2012-7-14 19414 Amador Northern Sierra Nevada Mountains: Tragedy Spring, near Carson Pass Hwy, along Tragedy Spring Road 0.3 mile east of its junction with CA-88 (Tragedy Spring 7.5'Q) 2421 Comment
  RSA0094835  Plectritis brachystemon George K. Helmkamp, Amy Barnes 2014-5-8 22857 Amador Sierra Nevada Mountains Foothills. Sutter Creek-Volcano Road, 0.2 mile east of old CA-49 in town of Sutter Creek. 375 Comment
  UC1368742  Plectritis ciliosa subsp. insignis J. L. Strother, A. R. Smith 1970-5-3 925 Amador 1 mi n of Calaveras Countary boundary (near Highway 49) 426 Comment
  JEPS18316  Plectritis macrocera J. Magee 1935-4-9 M 2 Amador Jackson, Plot 9 Jackson; , Plot 9 76 Comment
  JEPS29521  Plectritis macrocera Paul C. Hutchison 1962-4-28 2391 Amador near Racheria Creek (along Gopher Gulch Road, between Sutter Creek and Daffodil Hill); Gopher Gulch Road 670 Comment
  UC903164  Plectritis macrocera Ethel Crum 1938-5-15 2402 Amador Sierra Nevada foothills, Cosumnes River, Ione-Latrobe Highway Cosumnes River; Sierra Nevada foothills, Cosumnes River 152 Comment
  UCR248400  Poa George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21029 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  UC1132580  Poa annua G. T. Nordstrom 1936-4-19 711 Amador Plymouth; Jackson Quadrangle Comment
  SEINET10593431  Poa annua George Hansen 1893-1 Hansen 629 Amador New York Falls. Comment
  UCD90267  Poa bolanderi A. A. Beetle 1942-7-27 3744 Amador Eldorado National Forest, Mid Springs, 15 miles west of Silver Lake. 1828 Comment
  UCD90553  Poa bolanderi G. K. Helmkamp; E. A. Helmkamp 2007-6-29 12429 Amador Northern Sierra Nevada Mountains. Sandy Cove picnic area. Southeast of CA-88 beside the west edge of Silver Lake. 2244 Comment
  UCD90703  Poa bulbosa John C. Tothill 1958-4-13 s.n. Amador Fiddletown. 6 miles east of Plymouth. Comment
  UCR197832  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2008-6-9 13620 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.1 mile south of its junction with CA-88, jct. is 4.0 miles east of Cook's Station 1652 Comment
  UCR238607  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2012-3-22 18641 Amador Northern Sierra Nevada Mountains Foothills, Bell Road, 0.2 mile east of its junction with CA-49 270 Comment
  UCD90859  Poa compressa Geo. Hansen 1892-1 610 Amador near Jackson. Comment
  SEINET10658074  Poa compressa George Hansen 1896-7-13 Hansen 1844 Amador Pioneer. 914 Comment
  SEINET10954508  Poa compressa George Hansen 1896-7-13 Hansen 1838 Amador Pioneer. 914 Comment
  UCR196847  Poa cusickii George K. Helmkamp 2008-6-17 13682 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road along the south side of Bear River Reservoir 1797 Comment
  CAS-BOT-BC6488  Poa hansenii George Hansen 1893-7-1 605 Amador Silver Lake 2438 Comment
  CAS-BOT-BC236361  Poa secunda subsp. secunda J. M. Tucker 1954-6-5 2705 Amador Beside Highway 88, ca. 5 miles below Cook's Station 1219 Comment
  UC39654  Poa secunda subsp. secunda Geo. Hansen 1896-5-19 1659 Amador Agriculture Station; Sequoia Region 2438 Comment
  UCD92081  Poa tenerrima Beecher Crampton 1973-10-23 9028 Amador 3 miles west of Plymouth. Comment
  UCD74228  Poa wheeleri Jennifer W. Burt 2006-8-10 237 Amador Kirkwood active ski area, off Hwy 88, collected from center of 'Lost Cabin' ski run. 2526 Comment
  UC1124627  Pogogyne serpylloides H. S. Yates 1935-4-26 5148 Amador 1 1/2 miles S. of Ione 106 Comment
  JEPS62461  Pogogyne serpylloides W. L. Jepson 1929-9-29 15233 Amador Willow Springs Station, Sacramento, Jackson road Comment
  UCD125326  Pogogyne serpylloides Roman Gankin; R. W. Hildreth, S. C. Tucker 1966-4-19 s.n. Amador Carbondale. Comment
  UC570729  Pogogyne zizyphoroides H. L. Mason 1928-5-3 4476 Amador Hills near Carbondale Comment
  SEINET3245758  Polemoniaceae G. K. Helmkamp, E. A. Helmkamp 2009-1 14477 Amador San Joaquin Valley: along CA-88, 0.4 mile northeast of the San Joaquin Co. line (Goose Creek 7.5') 81 Comment
  CDA17041  Polemonium pulcherrimum G. F. Hrusa, J. Glazner 2003-7-22 16111 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  CAS-BOT-BC167544  Polygala cornuta var. cornuta Geo. Hansen 1893-8-1 470 Amador Agrc. Station 609 Comment
  OBI11271  Polygala cornuta var. cornuta H. E. McMinn 1937-9-26 5086 Amador Mt Zion Comment
  POM280342  Polygonum aviculare Lyman Benson 1931-8-24 2872 Amador Silver Lake; Sierra Nevada. The edge of the lake (back 200 ft). 2287 Comment
  CAS-BOT-BC413922  Polygonum aviculare subsp. aviculare Geo. Hansen 1893-10-1 756 Amador Silver Lake 2438 Comment
  RSA97514  Polygonum californicum Beecher Crampton 1953-7-29 1548 Amador Amador County: Serpentine outcrop, along Hwy 16, 3 miles NE of Drytown Comment
  UC153932  Polygonum douglasii subsp. douglasii Geo. Hansen Oct 1893 312 Amador Silver Lake Sequoia Region 2438 Comment
  UC153936  Polygonum hydropiper Geo. Hansen Aug 1895 754 Amador Irishtown Sequoia Gigantea Region 457 Comment
  UC66911  Polygonum lapathifolium Ernest Braunton August, 1904 1181 Amador Vicinity of Ione 60 Comment
  UC66960  Polygonum persicaria Ernest Braunton July 1904 1103 Amador Vicinity of Ione 60 Comment
  CDA17002  Polygonum polygaloides G. F. Hrusa, J. Glazner 2003-7-22 16081 Amador Sierra Nevada; Kirkwood Ski Resort. Slopes at base of ski runs. 2407 Comment
  UCD18687  Polygonum polygaloides subsp. kelloggii Roman Gankin 1956-6-20 172 Amador NW side of Silver Lake. Comment
  RSA0081176  Polygonum punctatum George K. Helmkamp, E. A. Helmkamp 2006-10-6 11471 Amador Along Calif. Hwy 49 beside Big Indian Creek; 2.2 miles south of El Dorado County line. 271 Comment
  UCR179820  Polygonum punctatum George K. Helmkamp, E. A. Helmkamp 2006-10-6 11471 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 beside Big Indian Creek; 2.2 miles south of El Dorado County line 271 Comment
  CAS-BOT-BC109251  Polygonum shastense W. B. Duncan 1927-8-1 s.n. Amador Vicinity of Silver Lake. Comment
  UC912478  Polygonum shastense Herbert L. Mason 1933-9-2 7259 Amador Silver Lake Sierra Nevada Comment
  CAS-BOT-BC71828  Polypodium californicum Geo. Hansen 1893-5-1 886 Amador Agrc. Station 609 Comment
  UCD136945  Polypodium calirhiza Beecher Crampton 1970-4-22 8567 Amador El Dorado County line, bridge over south fork Cosumnes River, Latrobe Road. Comment
  UC39744  Polypogon interruptus Geo. Hansen 1892-1 622 Amador near Jackson; near Jackson Comment
  UC50639  Polypogon monspeliensis Geo. Hansen 1896-7-13 1853 Amador Pioneer; Sequoia Gigantea Region, Pioneer 1066 Comment
  CAS-BOT-BC237629  Polypogon viridis Peter H. Raven; Henry J. Thompson 1959-10-4 14583 Amador Small lake on Carson Pass road just W of Carson Spur near Kirkwood 2407 Comment
  CAS-BOT-BC102379  Populus fremontii Alice Eastwood 1925-3-3 12412 Amador Ione Comment
  CAS-BOT-BC233775  Portulaca John Thomas Howell 1954-9-5 30054 Amador Mokelumne River Bridge on #49 Hwy between Jackson and Mokelumne Hill Comment
  NY436136  Potentilla amadorensis G. Hansen 1896-7-30 1946 Amador Bear river. 1676.4 Comment
  UCD113717  Potentilla bruceae G. K. Helmkamp 2007-6-29 12434 Amador Northern Sierra Nevada Mountains: Kirkwood Meadows about one mile west of Kirkwood and 0.1 mile south of CA-88. 2317 Comment
  UCR240936  Potentilla glandulosa subsp. reflexa George K. Helmkamp, E. A. Helmkamp 2012-6-26 19284 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 8.0 miles south of its junction with CA-88, along East Panther Creek 1345 Comment
  SD243194  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2010-9-1 16873 Amador Northern Sierra Nevada Mountains: along CA-88, 2.6 miles southwest of its junction with Mormon Emigrant Trail, c. 2.75 mi. NNW of Upper Bear River Reservoir. Wet seep and roadside ditch. 2162 Comment
  SEINET3823227 Image available Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2012-7-14 19393 Amador Northern Sierra Nevada Mountains, Edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake (Caples Lake 7.5' Q) 2316 Comment
  UCD113914  Potentilla gracilis var. fastigiata G. K. Helmkamp; E. A. Helmkamp 2007-7-17 12528 Amador Northern Sierra Nevada Mtns: along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake. 2317 Comment
  UCR188476  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2007-7-17 12528 Amador Northern Sierra Nevada Mountains, along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake 2317 Comment
  UCR206610  Potentilla gracilis var. fastigiata George K. Helmkamp, Ann Kerchner 2009-7-25 15285 Amador Sierra Nevada Mountains, south side of CA-88, 3.2 miles west of the Alpine Co. line; near Martin Meadow 2306 Comment
  UC1745888  Proboscidea lutea Annetta M. Carter, Beryl Schreiber, Ethel Crum 1937-8-22 1327 Amador 6 mi. NE of Ione. 365 Comment
  CAS-BOT-BC508631  Prosartes hookeri Geo. Hansen 1895-5-1 1081 Amador Panther Creek 1524 Comment
  SD197904  Prunus G. K. Helmkamp, E. A. Helmkamp 2008-5-4 13382 Amador 15 miles northeast of Jackson, at the junction of Tiger Creek Road and Black Prince Road, 0.6 mile east of the junction of Tiger Creek Road with CA-88. 936 Comment
  RSA739790  Prunus emarginata George K. Helmkamp 2007-6-29 12419 Amador Shot Rock Vista picnic area along CA-88, 0.9 miles east of its junction with Mormon Emigrant Trail 2329 Comment
  UCR197653  Prunus emarginata George K. Helmkamp, E. A. Helmkamp 2008-6-23 13743 Amador Northern Sierra Nevada Mountains, Dufrene Road, 1.5 miles south of its junction with CA-88, jct. between Mormon Emigrant Trail and Bear Valley Reservoir Road 2021 Comment
  UC12729  Prunus virginiana var. demissa Geo. Hansen 1892-1 Amador Amador County Comment
  UC1118504  Pseudognaphalium californicum R. D. Roseberry 1935-5-2 129 Amador summit Buena Vista Peak; Jackson Quadrangle, Buena Vista Peak 243 Comment
  CAS-BOT-BC356650  Pseudognaphalium californicum Rimo Bacigalupi; G. T. Robbins 1955-5-6 5035 Amador Above old quarry just east of Ione 106 Comment
  UC632820  Pseudognaphalium luteoalbum H. L. Mason 1936-4-12 11072 Amador near Lancha Plana; Mokelumne River Comment
  JEPS77990  Pseudognaphalium luteoalbum Edward Lee 1936-4-11 1896 Amador Lancha Plancha [Plana] Mokelumne River (n side of river) Comment
  UC1118456  Pseudognaphalium stramineum C. M. Belshaw 1936-7-10 2453 Amador 1.5 mi w Clinton; Jackson Quad. 487 Comment
  UC672214  Pseudognaphalium stramineum H. L. Mason 1933-5-29 7250 Amador chaparral hills above Ione Comment
  CAS-BOT-BC357585  Pseudognaphalium stramineum John Thomas Howell 1954-5-18 29847 Amador 2 miles nnw. of Buena Vista 91 Comment
  UC912229  Pseudognaphalium thermale Herbert L. Mason 1933-9-3 7287 Amador Silver Lake Sierra Nevada Mountains, Silver Lake Comment
  UCD135247  Pseudognaphalium thermale G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12773 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 0.9 mile northeast of the junction with Bear River Reservoir Road. 2076 Comment
  UC196511  Pseudognaphalium thermale Geo. Hansen 1893-7-1 179 Amador Sequoia Region 609 Comment
  UC1070084  Psilocarphus oregonus P. L. Johannsen 1937-7-9 1231 Amador 3 mi nnw West Point; Jacksonville Quad. 975 Comment
  UC694156  Psilocarphus tenellus H. L. Mason 1932-4-25 6990 Amador hill above Ione Comment
  CAS-BOT-BC72529  Pteridium aquilinum Geo. Hansen 1895-9-1 1294 Amador Agrc. Station 609 Comment
  CAS-BOT-BC520345  Pycreus niger George K. Helmkamp; E. A. Helmkamp 2012-10-5 19979 Amador Northern Sierra Nevada Mountains Foothills: Sutter Creek Road, 10.7 mi E of CA-49, in Sutter Creek 635 Comment
  RSA0083388  Pyrola picta Doris Bowers 1969-8-20 687 Amador Bear Reservoir, Bear River Lake, El Dorado National Forest. To N . of Campground. 1220 Comment
  UCD74043  Pyrrocoma apargioides Jennifer W. Burt 2006-8-10 214 Amador Kirkwood active ski area, off Hwy 88, collected from center of 'Montewolf' ski run. 2532 Comment
  CAS-BOT-BC36647  Quercus Geo. Hansen 1893-9-1 1230 Amador Agrc. Station 609 Comment
  CAS-BOT-BC45803  Quercus Geo. Hansen 1895-9-1 1331 Amador Pine Grove 762 Comment
  CAS-BOT-BC45804  Quercus Geo. Hansen 1893-7-1 915 Amador Agrc. Station 609 Comment
  CAS-BOT-BC45805  Quercus Geo. Hansen 1895-9-1 1333 Amador Elsie's Creek 914 Comment
  CAS-BOT-BC45806  Quercus Geo. Hansen 1895-8-1 915 Amador Agrc. Station 609 Comment
  CAS-BOT-BC45807  Quercus Geo. Hansen 1892-4-1 914 Amador Pine Grove 762 Comment
  CAS-BOT-BC45809  Quercus Geo. Hansen 1895-8-1 1223 Amador Savage Hill 609 Comment
  CAS-BOT-BC105022  Quercus X morehus Clarence R. Quick 1954-9-24 54 -90 Amador Near Jackson 396 Comment
  CAS-BOT-BC105023  Quercus X morehus Clarence R. Quick 1954-9-24 54 -92 Amador Near Jackson 396 Comment
  UC5657  Quercus X morehus Geo. Hansen Apr 1893 1197 Amador Agr. Station Sequoia Region 609 Comment
  UC1135401  Quercus chrysolepis G. T. Nordstrom 1936-4-23 741 Amador 1.8 mi nnw Volcano; Jackson Quad. 914 Comment
  UC527366  Quercus chrysolepis Carl B. Wolf 1931-9-12 Amador Pine Grove 609 Comment
  UC5537  Quercus chrysolepis Geo. Hansen Nov 1895 1465 Amador Pine Grove 701 Comment
  UCD45397  Quercus chrysolepis G. T. Nordstrom 1936-4-23 741 Amador 1.8 miles northwest of Volcano. 914 Comment
  UCD45401  Quercus chrysolepis D. Q. Cavagnaro 1963-9-12 23 Amador Elevation 2000 feet; State Highway 88, 2 miles southwest of Pine Grove, Amador County, California. 609 Comment
  UCD45595  Quercus chrysolepis D. Q. Cavagnaro 1963-10-13 218 A Amador Along north side of State Highway 88, 23.6 miles northeast of Pine Grove, Amador County, California. Elevation 5800 feet. 1767 Comment
  UCD45761  Quercus chrysolepis B. Crampton 1954-8-3 2240 Amador Clinton Peak, Amador County. Comment
  UCD63260  Quercus chrysolepis G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12899 Amador Northern Sierra Nevada Mountains: Climax Road 0.8 mile west of its junction with CA-88. 701 Comment
  UCD63261  Quercus chrysolepis G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12898 Amador Northern Sierra Nevada Mountains: Climax Road 0.8 mile west of its junction with CA-88. 701 Comment
  UCR188875  Quercus chrysolepis George K. Helmkamp, E. A. Helmkamp 2007-9-4 12899 Amador Northern Sierra Nevada Mountains Foothills, Climax Road 0.8 mile west of its junction with CA-88 701 Comment
  UCR188876  Quercus chrysolepis George K. Helmkamp, E. A. Helmkamp 2007-9-4 12898 Amador Northern Sierra Nevada Mountains Foothills, Climax Road 0.8 mile west of its junction with CA-88 701 Comment
  UCR230744  Quercus chrysolepis George K. Helmkamp, E. A. Helmkamp 2010-10-1 16986 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Rd. toward Volcano, 4.2 miles east of CA-49 in Sutter Creek 421 Comment
  CAS-BOT-BC86630  Quercus douglasii Ernest Braunton 1904-7-1 1160 Amador Ione, 4 miles S Comment
  UC1135461  Quercus douglasii R. D. Roseberry 1935-4-16 40 Amador Churchbell Hill Jackson Quad. 152 Comment
  UC186577  Quercus douglasii Geo. Hansen Apr 1893 920 Amador New York Falls, Agrc. Station Sequoia Region 609 Comment
  UCD45629  Quercus douglasii R. Collins 1984-5-13 1112 Amador Jasper-Werner Properties. NW of Ione. Comment
  CAS-BOT-BC105129  Quercus kelloggii Geo. Hansen 1892-3-1 60 Amador Agrc. Station 609 Comment
  CAS-BOT-BC105130  Quercus kelloggii Geo. Hansen 1894-10-1 923 Amador Salt Springs 1676 Comment
  CAS-BOT-BC105133  Quercus kelloggii Geo. Hansen 1895-7-20 1166 Amador Crow Point 457 Comment
  CAS-BOT-BC105134  Quercus kelloggii Geo. Hansen 1895-7-1 1167 Amador Clinton 609 Comment
  JEPS37701  Quercus kelloggii Mrs. G. A. Gordon 1835-10-29 1 Amador home of Mrs. G. A. Gordon Jackson Comment
  POM106228  Quercus kelloggii Geo. Hansen 1895-7-28 1198 Amador West Point Bridge, Flora of the Sequoia Gigantea Region. 701 Comment
  UC1602335  Quercus kelloggii Geo. Hansen Aug 1895 1198 Amador West Point Bridge Sequoia Gigantea Region, Mokelumne River and Immediate Tribu 701 Comment
  UCD92318  Quercus kelloggii D. Q. Cavagnaro 1963-9-12 25 Amador Near State Highway 88, 20 miles northeast of Pine Grove. 1524 Comment
  UCSB13186  Quercus kelloggii Breedlove, Dennis 1962-6-14 Amador Along State Highway 88, 2.0 miles west of Pine Grove; Sierra Nevada 640 Comment
  CAS-BOT-BC105132  Quercus kelloggii Geo. Hansen 1895-4-1 1221 Amador Savage Hills 609 Comment
  CAS-BOT-BC105137  Quercus kelloggii Geo. Hansen 1895-8-1 12211 Amador Savage Hills 609 Comment
  SEINET3828545  Quercus lobata George K. Helmkamp, E. A. Helmkamp 2012-1 18801 Amador Foothills, northern Sierra Nevada Mountains: Fiddletown Road, 0.2 mile east of its junction with County Road E-16, c. 0.7 mi. E of Hwy 49 at Plymouth (Amador City 7.5') 1000 Comment
  UC1135719  Quercus lobata R. D. Roseberry 1935-4-16 39 Amador 4 mi n Ione; Jackson Quad. 121 Comment
  UC565422  Quercus lobata Chas. M. Belshaw 1935-5-30 848 Amador 2 mi nw Jackson (on Jackson Gate Road, Central Sierra Nevada foothills); Central Sierra Nevada Comment
  UC1083302  Quercus vacciniifolia Herbert L. Mason 1933-9-2 7280 Amador Silver Lake Sierra Nevada Comment
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Jun 3 2008
  UCD47428  Quercus vacciniifolia D. Q. Cavagnaro 1963-10-13 218 C Amador Along north side of State Highway 88, 23.6 miles northeast of Pine Grove, Amador Grove, California. 1767 Comment
  UCD47458  Quercus vacciniifolia D. Q. Cavagnaro 1963-9-12 34 Amador Below Peddler Hill Ski Lodgem State Highway 88, 11 miles southwest of Silver Lake Amador County, California. 2133 Comment
  CAS-BOT-BC104677  Quercus wislizeni Geo. Hansen 1893-4-1 926 Amador Agrc. Station 609 Comment
  UC5696  Quercus wislizeni Geo. Hansen Dec 1894 967 Amador Agrc. Station Sequoia Region 609 Comment
  UCD47623  Quercus wislizeni Roman Gankin; Jack R. Maze 1966-2-6 s.n. Amador On Jackson Valley Road, ca. 1 mile east of Buena Vista, Amador County, California. Comment
  UCD60318  Quercus wislizeni var. wislizeni G. K. Helmkamp; E. A. Helmkamp 2007-4-26 11830 Amador Northern Sierra Nevada Mountains: along CA E-16, 0.7 mile south of River Pines. 609 Comment
  UCR189488  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2007-3-17 11645 Amador Eastern Sacramento Valley, Buena Vista Road, 0.3 mile north of Buena Vista 104 Comment
  UC1614091  Ranunculus Charles M. Belshaw 1935-5-30 798 Amador Ione Comment
  UCD95858  Ranunculus aquatilis var. diffusus June McCaskill 1956-5-2 402 Amador 0.5 mile north of Ione on Placerville Road; over second hill on east side of road. Comment
  CAS-BOT-BC378954  Ranunculus bonariensis Walter Knight; Irja Knight 1967-3-6 1901 Amador about 4 mi from Ione, Irish Hill Road about 0.75 mi from State Hwy 104 91 Comment
  CDA24307  Ranunculus bonariensis var. trisepalus G. D. Barbe 1982-5-1 3612 Amador At Southern Pacific rail crossing on Highway 104 at Ione-Michigan Bar Road, west of Ione. 0 Comment
  JEPS78663  Ranunculus californicus Edward Lee 1936-2-29 1755 Amador about 3/4 mi n Jackson (Jackson Gate Road) Comment
  SEINET3257995 Image available Ranunculus californicus George K. Helmkamp, E. A. Helmkamp 2008-3-12 13149 Amador Foothills, northern Sierra Nevada Mountains; 0.2 mile east of the junction of Bell Road and CA-49 at Enterprise; junction of Plymouth and Pigeon Creeks. 259 Comment
  UCD96143  Ranunculus hebecarpus G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11779 Amador Northern Sierra Nevada Mountains; along Bell Road beside Plymouth Creek, just east of CA-49 in the vincity of Enterprise. 302 Comment
  RSA0049941  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-6-6 19140 Amador Panther Creek Road, 6.2 miles south of its junction with CA-88, 5.9 mi. SW (245 deg ) of Bear River Reservoir dam 1438 Comment
  UC1126193  Ranunculus occidentalis G. T. Nordstrom 1936-4-19 723 Amador 0.9 mi n Plymouth; Jackson Quadrangle Comment
  UC569924  Ranunculus occidentalis C. M. Belshaw 1936-2-29 1523 Amador Jackson Gate Rd 1 3/4 mi nw Judson; Jackson Quadrangle 487 Comment
  UCR237741  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-7-14 19397 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
  UCR240892  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-6-6 19140 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 6.2 miles south of its junction with CA-88, 5.9 mi. SW (245 deg. ) of Bear River Reservoir dam 1438 Comment
  UCR250620  Ranunculus occidentalis George K. Helmkamp, Mary Alice Barnes 2013-4-24 20389 Amador Northern Sierra Nevada Mountains Foothills, Along CA-26 (Red Corral/West Point-Pioneer Rd.), 0.7 mile west of the crossing over North Fork Mokelumne River 704 Comment
  UCR257007  Ranunculus occidentalis George K. Helmkamp, Mary Alice Barnes 2013-5-13 20576 Amador Sierra Nevada Mountains, Fiddletown Road, c. 9 miles northeast of its junction with E-16/Shenandoah Rd. near Plymouth 665 Comment
  UCD22703  Ranunculus uncinatus April McCoy 1984-5-5 18 Amador Lookout Rd., 5 miles south of Jet. Winton and Lookout Rd. 609 Comment
  UCR257017  Raphanus raphanistrum George K. Helmkamp, Mary Alice Barnes 2013-5-13 20568 Amador Sierra Nevada Mountains Foothills, along E-16/Shenandoah Rd., 3.6 road miles south of River Pines, 4.15 air miles NE (39 deg. ) of Plymouth 517 Comment
  UCR182144  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2006-10-23 11560 Amador Central Valley/ Northern Sierra Nevada Foothills, along Calif. Hwy 16, 0.2 mile east of Waits Station, southwest of Plymouth 305 Comment
  SEINET11526622  Raphanus sativus M. J. Williams 1967-4-16 s.n. Amador Between Placerville and Plymouth. 305 Comment
  UC1121870  Rhamnus ilicifolia D. Axelrod 1934-11-10 49 Amador 0.6 mi w and 2.7 mi n John Bull Pk.; Jackson Quad. 304 Comment
  UC18575  Rhamnus rubra Geo. Hansen 1892-1 Amador Comment
  UC1121796  Rhamnus tomentella subsp. tomentella G. T. Nordstrom 1936-4-18 700 Amador 1.25 mi sw Bisbee Peak; Jackson Quad. 213 Comment
  UC18598  Rhamnus tomentella subsp. tomentella Michener and Bioletti Aug 1893 Amador Jackson Comment
  UC565427  Rhamnus tomentella subsp. tomentella Chas. M. Belshaw 1935-5-30 816 Amador 9 mi s Ione (Central Sierra Nevada foothills) Comment
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Oct 2 2015
  UC18597  Rhamnus tomentella subsp. tomentella Geo. Hansen 1892-1 Amador Comment
  RSA121550  Ribes californicum C. M. Belshaw 1936-4-27 2004 Amador 2 3/4 miles E. of Ione Jackson Rd. 122 Comment
  UC1182097  Ribes californicum Edward Lee 1936-2-29 1757 Amador ca. 8 road mi e Ione (between Ione and Jackson) Comment
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Jul 22 2018
  UC1127424  Ribes cereum H. S. Yates 1934-6-30 3922 Amador 1 mi ne Silver Lake; Eldorado National Forest, Pyramid Pk. Quadrangle Comment
  SEINET5628871 Image available Ribes cereum Unknown 1904-1 151 Amador Silver Lake Comment
  UCR253232  Ribes cereum var. cereum George K. Helmkamp, Elizabeth Helmkamp 2013-7-6 20978 Amador Northern Sierra Nevada Mountains, Bear River Road at the south end of the dam for Lower Bear River Reservoir 1784 Comment
  UC1127288  Ribes malvaceum G. T. Nordstrom 1936-5-3 785 Amador 1.7 mi ssw Sugarloaf; Jackson Quadrangle Comment
  UC1127294  Ribes malvaceum D. Axelrod 1934-11-21 57 Amador 2 mi e and 1/2 mi n Buena Vista; Jackson Quadrangle Comment
  UC1127538  Ribes roezlii G. T. Nordstrom 1936-5-27 808 Amador 4.3 mi nw Volcano; Jackson Quadrangle Comment
  CAS-BOT-BC198951  Ribes roezlii var. roezlii Geo. Hansen 1896-3-23 1679 Amador Antelope 1280 Comment
  UCD102532  Ribes viscosissimum G. K. Helmkamp; E. A. Helmkamp 2007-6-29 12427 Amador Northern Sierra Nevada Mountains. Sandy Cove picnic area, southeast of CA-88 beside the west edge of Silver Lake. 2244 Comment
  UCR190677  Ribes viscosissimum George K. Helmkamp 2007-6-29 12427 Amador Northern Sierra Nevada Mountains, Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake 2244 Comment
  UC90679  Rigiopappus leptocladus Mrs. K. Curran May 1886 Amador Comment
  RSA792001  Rorippa George K. Helmkamp, E. A. Helmkamp 2012-7-2 19317 Amador Northern Sierra Nevada Mountains: Bear River Road, 3.0 miles east of the Lower Bear River Reservoir dam. 1816 Comment
  UCR237294  Rorippa George K. Helmkamp, E. A. Helmkamp 2012-7-2 19317 Amador Northern Sierra Nevada Mountains, Bear River Road, 3.0 miles east of the Lower Bear River Reservoir dam 1816 Comment
  CDA18610  Rorippa curvisiliqua G. D. Barbe, T. C. Fuller & J. T. Howell 1981-8-1 3397 Amador Sierra Nevada; Small lake on south side of Hwy 88, just west of Carson Spur; 1 mile west of road to Lake Kirkwood, 3.6 miles west of Silver Lake (bridge). 2407 Comment
  UCR197602  Rorippa curvisiliqua George K. Helmkamp, E. A. Helmkamp 2008-6-23 13732 Amador Northern Sierra Nevada Mountains, Dufrene Road, 1.1 miles south of its junction with CA-88 (jct. is between Mormon Emigrant Trail and Bear River Reservoir Road), c. 2 miles (air) north of the west end of Lower Bear River Reservoir 2055 Comment
  UCR170970  Rosa George K. Helmkamp, E. A. Helmkamp 2006-3-19 10097 Amador Northern Sierra Nevada Foothills, Along Calif. Highway 49 south of Plymouth 323 Comment
  CDA3964  Rosa canina T. C. Fuller 1963-6-5 10572 Amador South of Highway 88 to Pine Grove, 2 miles east of Jackson. 0 Comment
  OBI10004  Rosa pinetorum H. E. McMinn 1937-8-6 5047 Amador Near ranger station. 36 mi E of Jackson Comment
  UCR257067  Rubus armeniacus George K. Helmkamp, Mary Alice Barnes 2013-5-17 20609 Amador Northern Sierra Nevada Mountains Foothills, Stony Creek Road, 3.6 miles southwest of Jackson 293 Comment
  UC1281054  Rubus discolor H. E. McMinn 1937-8-4 5056 Amador between Pine Grove and Barton's Flats; between Pine Grove and Barton's Flats Comment
  CAS-BOT-BC147151  Rubus laciniatus J. Hyland 1966-9-6 s.n. Amador Hwy 88, Pine Grove, Sierra Nevada 609 Comment
  UC1128617  Rubus laciniatus A. D. Gifford 1934-11-26 371 Amador 1 mi e and 1 1/2 mi n West Point; Jackson Quad. Comment
  CAS-BOT-BC147196  Rubus parviflorus Beryl O. Schreiber 1938-8-28 s.n. Amador Pyramid Pk., Eldorado National Forest, 1/4 mi. N.N.E. of Silver Lake 2194 Comment
  UC706964  Rubus parviflorus Beryl O. Schreiber 1938-8-28 Amador 1/4 mi nne Silver Lake (Pyramid Peak); El Dorado National Forest, nne of Silver Lake 2194 Comment
  UCR252936  Rubus parviflorus George K. Helmkamp, Elizabeth Helmkamp 2013-7-6 20988 Amador Northern Sierra Nevada Mountains, Bear River Road at the south end of the dam for Lower Bear River Reservoir 1784 Comment
  OBI9985  Rubus pensilvanicus H. E. McMinn 1937-8-4 5055 Amador Along hwy between Pine Grove and Bartons' Escape Comment
  UCR189419  Rudbeckia californica var. californica George K. Helmkamp, E. A. Helmkamp 2007-8-16 12750 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 3.5 miles south of its junction with Mormon Emigrant Trail 2146 Comment
  UCR233142B  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2010-3-26 15767 Amador Eastern San Joaquin Valley/ Sierra Nevada Foothills, low foothills along CA-16, 6.8 miles west of Plymouth near Forest Home Rd. 177 Comment
  HSC40733  Rumex acetosella R. York 1977-6-20 15 Amador Exposed slope around Tiger Creek Reservoir just off Hwy. 88 Comment
  SEINET3828307  Rumex conglomeratus George K. Helmcamp, E. A. Helmkamp 2011-1 17618 Amador Northern Sierra Nevada Mountains Foothills: Tonzi Road, 0.9 mile west of its junction with CA-49, c. 1.6 mi. SW (238) of Amador City. 309 Comment
  UCR259880  Rumex crispus George K. Helmkamp, Elizabeth Helmkamp 2013-10-22 22454 Amador Sierra Nevada Mountains Foothills, Shenandoah Road, near Sobon Creek, 6.8 miles northeast of its junction with CA-49 in Plymouth 563 Comment
  UCD101345  Rumex occidentalis G. K. Helmkamp 2006-5-6 10312 Amador Northern Sierra Nevada foothills: middle of the city Jackson, 0.1 mile north of the junction of CA-49 and CA-88. 701 Comment
  UCR173659  Rumex occidentalis George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10312 Amador Northern Sierra Nevada foothills, middle of the city Jackson, 0.1 mile north of the junction of Calif. Hwy 49 and Calif. Hwy 88 378 Comment
  UCD101599  Rumex salicifolius C. M. Belshaw 1936-7-7 2439 Amador 3.2 miles northeast of Jackson Butte. 640 Comment
  UCR258143  Rumex salicifolius var. denticulatus George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-8-4 19559 Amador Northern Sierra Nevada Mountains, West Lake Road along the west side of Silver Lake; 4.1 miles north of junction with Plasse Road 2247 Comment
  CHSC23007  Sagina saginoides Robert A. Schlising; G. Keator, S. Banwar 1962-9-12 2408 Amador Sierra Nevada. At roadside spring; along Hwy 88; near Tragedy Springs. Comment
  CAS-BOT-BC445657  Sagittaria cuneata Ethel Crum 1938-8-27 2077 Amador Carson Spur, three miles northeast of Silver Lake 2438 Comment
  CAS-BOT-BC445660  Sagittaria cuneata Gwendolan Newell 1929-8-23 s.n. Amador Hidden Lake, Silver Lake Comment
  UC629731  Sagittaria cuneata Ethel Crum 1938-8-27 2077 Amador three mi ne Silver Lake (Carson Spur); ne of Silver Lake, Carson Spur 2438 Comment
  UC935736  Sagittaria cuneata Herbert L. Mason 1933-9-2 7285 Amador Silver Lake; Sierra Nevada, Silver Lake Comment
  UCD138010  Sagittaria cuneata K. M. Meyer; A. Townesmith 2007-8-10 208 Amador El Dorado National Forest, Thunder Mountain Trail head off California Highway 88. 2517 Comment
  POM296465  Sagittaria cuneata Lyman Benson 1931-8-26 2884 Amador Sierra Nevada Mtn range, Silver Lake. 2287 Comment
  UC1949239  Sagittaria montevidensis subsp. calycina Barbara Ertter with Fosiee Tahbaz 1990-11-4 9688 Amador Camanche Reservoir NE of Stockton, North Shore public access Comment
  CAS-BOT-BC103043  Salix bonplandiana John Thomas Howell 1969-4-22 45536 Amador Volcano Comment
  UC1134852  Salix eastwoodiae A. D. Gifford 1934-9-8 350 Amador 1/2 mi e Bear R. Reservoir (Plot 72); El Dorado Nat'l Forest, Pyramid Peak Quadrangle Comment
  UC1280855  Salix eastwoodiae H. E. McMinn 1932-7-21 2950 Amador trail to Thimble Peak 2560 Comment
  UC153617  Salix exigua var. hindsiana Geo. Hansen 1893-7-7 200 Amador Pine Grove; Sequoia Gigantea Region 701 Comment
  CAS-BOT-BC104069  Salix hindsiana C. A. G. 1903-6-22 s.n. Amador Near Plymouth, Indian Creek Comment
  UC1134940  Salix laevigata G. T. Nordstrom 1936-4-19 735 Amador 1 1/2 mi w Plymouth; Jackson Quad. Comment
  SEINET10393188  Salix laevigata M. Humphreys 1951-5-6 s.n. Amador N of Jackson. 610 Comment
  UCR198461  Salix lasiolepis George K. Helmkamp, E. A. Helmkamp 2008-3-12 13150 Amador Foothills, northern Sierra Nevada Mountains, 0.2 mile east of the junction of Bell Road and CA-49 at Enterprise; junction of Plymouth and Pigeon Creeks 259 Comment
  UCR238604  Salix lasiolepis George K. Helmkamp, E. A. Helmkamp 2012-3-22 18639 Amador Northern Sierra Nevada Mountains Foothills, Bell Road, 0.2 mile east of its junction with CA-49 270 Comment
  CAS-BOT-BC129513  Salix melanopsis Geo. Hansen 1895-7-1 1164 Amador Crow Point 457 Comment
  UC1134916  Salix melanopsis C. M. Belshaw 1936-7-14 2484 Amador <Rich. Gulch> Crossing Molelumne R.; Jackson Quad., , <Rich. Gulch> Comment
  CAS-BOT-BC125947  Salix scouleriana Geo. Hansen 1893-7-1 799 Amador [Carpenter's] Carpenters Gulch 762 Comment
  UCR219189  Salsola tragus George K. Helmkamp, E. A. Helmkamp 2009-9-22 15641 Amador Sierra Nevada Mountains Foothills, junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 Comment
  CAS-BOT-BC221097  Salvia sonomensis Herbert L. Mason 1932-4-24 s.n. Amador Three mi. so. of Ione Comment
  RSA123262  Salvia sonomensis G. T. Nordstrom 1936-4-23 738 Amador 2 1/4 miles S. of Ione 91 Comment
  UC1124840  Salvia sonomensis H. S. Yates 1935-4-26 5151 Amador 2 mi s Ione; Jackson Quad. 106 Comment
  UC635694  Salvia sonomensis H. L. Mason 1932-4-24 6979 Amador 3 mi s Ione Comment
  CAS-BOT-BC238585  Sambucus nigra subsp. caerulea Geo. Hansen 1891-5-1 186 Amador Pine Grove 914 Comment
  CDA17024  Sambucus racemosa var. microbotrys G. F. Hrusa, J. Glazner 2003-7-22 16097 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  UC1281240  Sambucus racemosa var. microbotrys H. E. McMinn 1932-9-6 3002 Amador Kit Carson Summit Comment
  CAS-BOT-BC223204  Sanicula bipinnatifida Geo. Hansen 1893-3-1 1296 Amador New York Falls 609 Comment
  JEPS217  Sanicula bipinnatifida W. L. Jepson 1929-4-28 15207 Amador Ione Comment
  UCR176288  Sanicula bipinnatifida George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10353 Amador Northern Sierra Nevada Foothills, Along Calif. Hwy 88, 0.9 mi. south of the El Dorado County line at Enterprise 274 Comment
  UC1022544  Sanicula crassicaulis C. Ritchie Bell 1952-4-19 3 X414 Amador 1.3 mi n of Sutter Creek Comment
  UC1287758  Sanicula crassicaulis Geo. Hansen 1895-4-16 1457 Amador Sequoia Gigantea Region, Lancha Plana Lancha Plana; Sequoia Gigantea Region, Lancha Plana 121 Comment
  UCR198469  Sanicula crassicaulis George K. Helmkamp, E. A. Helmkamp 2008-3-12 13157 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.2 miles south of its junction with CA-49 at Scottsville 229 Comment
  CDA15396  Sanicula tuberosa G. F. Hrusa, J. Hart, M. Tu 1997-4-26 13686 Amador Central Valley; 1/4 mi. W of intersection of Twin Cities Rd. and Michigan Bar Rd., approx. 2 miles W of Ione, near Sacramento Co. boundary. Comment
  UC106110  Sanicula tuberosa Geo. Hansen V 1895 1117 Amador Sequoia Gigantea Region, Armstrong's Staion Armstrong's Staion; Sequoia Gigantea Region, Armstrong's Staion 1524 Comment
  UCD128054  Sanicula tuberosa Dean W. Taylor 1973-6-3 2363 Amador Sierra Nevada. Ridgetop west of Highway 88 - Silver Lake and east of Shealor Lakes at headwaters of North Tragedy Creek. 2438 Comment
  UC637113  Saxifraga californica Edward Lee 1936-2-29 1769 Amador 2.5 mi straightline se of Ione (Fork of Ione and Buena Vista Roads) Comment
  CDA17029  Saxifraga odontoloma G. F. Hrusa, J. Glazner 2003-7-22 16104 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  SEINET11160353  Scandix pecten-veneris M. J. Williams 1967-4-16 s.n. Amador Between Placerville and Plymouth. 305 Comment
  CAS-BOT-BC278207  Schedonorus arundinaceus John Thomas Howell 1954-5-18 29854 Amador 2 miles nnw. of Buena Vista 91 Comment
  CAS-BOT-BC110888  Scirpus microcarpus George Hansen 1982-1-1 637 Amador New York Falls 609 Comment
  RSA748112  Scleranthus annuus George K. Helmkamp, E. A. Helmkamp 2007-4-23 11813 Amador junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UCR184975  Scleranthus annuus George K. Helmkamp, E. A. Helmkamp 2007-4-23 11813 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UCD98512  Scleranthus annuus subsp. annuus G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11813 Amador Northern Sierra Nevada Mountains; junction of Tonzi Road and CA-124 about 7 miles north of Ione. 229 Comment
  UCD92502  Scribneria bolanderi Beecher Crampton 1957-5-28 4054 Amador 1/4 mile east of Willow Springs School, along Hwy. 16, ca. 3.5 miles west of Drytown. Comment
  UCR198494  Scrophularia desertorum George K. Helmkamp, E. A. Helmkamp 2008-5-4 13397 Amador Sierra Nevada Mountains Foothills, along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir 774 Comment
  UC104321  Scutellaria bolanderi subsp. bolanderi Geo. Hansen 1893-7-7 448 Amador South Jackson; Sequoia Region, South Jackson 457 Comment
  UC416688  Scutellaria bolanderi subsp. bolanderi Geo. Hansen 1892-1 448 Amador Amador Comment
  UC1124887  Scutellaria californica C. M. Belshaw 1936-7-4 2418 Amador Clinton 670 Comment
  UC66967  Scutellaria californica Ernest Braunton July 1904 1047 Amador vicinity of Ione 60 Comment
  HSC40771  Scutellaria siphocampyloides R. York 1977-6-24 49 Amador Around Tiger Creek Reservoir 366 Comment
  UCD101980  Sedella pumila G. K. Helmkamp 2007-4-23 11812 Amador Northern Sierra Nevada Mountains, junction of Tonzi Road and CA-124 about 7 miles north of Ione. Comment
  CAS-BOT-BC417836  Sedella pumila D. E. Breedlove 1983-5-31 58782 Amador 5 miles above Fiddletown 1219 Comment
  SEINET10938339  Selaginella watsonii George Hansen Hansen 879 Amador Silver Lake, 8000 feet. 2440 Comment
  UC1070154  Senecio flaccidus var. douglasii P. L. Johannsen 1937-7-27 1269 Amador 0.75 mi sw Middle bar; Jackson Quad. 213 Comment
  UC71928  Senecio flaccidus var. douglasii Geo. Hansen 1892-1 Amador Comment
  CAS-BOT-BC363748  Senecio integerrimus G. K. Helmkamp; E. A. Helmkamp 2008-6-23 13721 Amador Northern Sierra Nevada Mountains: Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 Comment
  UCR190716  Senecio integerrimus George K. Helmkamp 2007-6-29 12420 Amador Northern Sierra Nevada Mountains, Shot Rock Vista picnic area along CA-88, 0.9 miles east of its junction with Mormon Emigrant Trail 2329 Comment
  CAS-BOT-BC363977  Senecio integerrimus var. major G. K. Helmkamp; E. A. Helmkamp 2010-7-13 16517 Amador Northern Sierra Nevada Mountains: between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  UCR219040  Senecio integerrimus var. major George K. Helmkamp, E. A. Helmkamp 2010-7-13 16517 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  CDA18967  Senecio jacobaea B. Farnham 2000-7-13 PDR 1038198 Amador Sierra Nevada; north side of Hwy 88, 100 ft east of junction of Carson Drive and Hwy 88, in the vicinity of Pioneer. 0 Comment
  SEINET3258007 Image available Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2008-3-12 13152 Amador Sierra Nevada Mountains Foothills; Middle Bar Road, 3.2 miles south of its junction with CA-49 at Scottsville. 229 Comment
  UCR272770  Senecio vulgaris George K. Helmkamp 2014-3-14 22567 Amador West end Sacramento Valley, Willow Creek Road, 1.1 miles south of Hwy E-16 253 Comment
  CAS-BOT-BC364714  Sericocarpus oregonensis subsp. californicus Geo. Hansen 1893-8-1 779 Amador Else's [Else] Creek 914 Comment
  CDA6641  Sherardia arvensis G. D. Barbe, L. R. Davis 1982-5-1 3614 Amador Between Highway 104 and Southern Pacific Railroad crossing, at Ione-Michigan Bar Roads, west of Ione. 0 Comment
  UCD121998  Sherardia arvensis W. R. Hildreth 1963-3-31 5 Amador Kieth Mace Ranch, near Carbondale between State Highways 16 and 104. 45 Comment
  SEINET7096681  Sidalcea A. G. Vestal 1947-4-28 s.n. Amador South of Plymouth on Route 49. NAD27, 39.4675? deg. , -120.8536? deg. (converted to WGS84) Comment
  CDA36512  Sidalcea calycosa L. Brown & T. C. Fuller 1958-4-29 406 -58 Amador Carbondale Rd., 1/4 mile south of Carbondale. 0 Comment
  HSC16028  Sidalcea calycosa subsp. calycosa J. V. Lenz 1946-4-23 Amador Plymouth Comment
  SEINET7042345  Sidalcea calycosa subsp. calycosa A. G. Vestal 1963-6-1 s.n. Amador Road from Route 16 to Ione [Will Creek Road]. Irish Hill Road quadrangle UTM Zone 10, 682676mE, 4252539mN. Comment
  UCR189517  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2007-8-16 12737 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail 2172 Comment
  UCR197551  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2008-6-23 13713 Amador Northern Sierra Nevada Mountains, Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 Comment
  CDA13179  Sidalcea hartwegii G. F. Hrusa, J. Hart 1996-4-28 12838 Amador Cosumnes River Drainage; N side of Twin Cities Rd. approx. 1/4 m W of intersection with Michigan Bar Rd. Comment
  UC1614092  Sidalcea hartwegii Charles M. Belshaw 1935-5-30 799 Amador Ione Comment
  UC189062  Sidalcea hartwegii Geo. Hansen May 1893 508 Amador Agrc. Station Sequoia Region, New York Falls (New York Falls) 609 Comment
  UC18863  Sidalcea malviflora subsp. asprella Geo. Hansen 1891-1 Amador Comment
  UCR218204  Silene antirrhina George K. Helmkamp, E. A. Helmkamp 2010-5-31 16197 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 5.2 miles east of the village of Sutter Creek 451 Comment
  CAS-BOT-BC384535  Silene bridgesii Geo. Hansen 1892-7-1 504 Amador Antelope 1219 Comment
  CAS-BOT-BC384538  Silene bridgesii Geo. Hansen 1895-5-1 1099 Amador Panther Creek 1524 Comment
  UC8486  Silene bridgesii Geo. Hansen 1892-1 Amador Jackson Comment
  UCR256487  Silene californica George K. Helmkamp, Amy Barnes 2014-5-8 22840 Amador Sacramento Valley/Sierra Nevada Foothills, Tonzi Road, 0.4 mile east of its junction with CA-124, 4.5 air miles NE (35 deg. ) of Ione 188 Comment
  UCR218174  Silene gallica George K. Helmkamp, E. A. Helmkamp 2010-5-31 16164 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 1.6 miles east of the village of Sutter Creek 412 Comment
  UCR230654  Silene gallica George K. Helmkamp, E. A. Helmkamp 2011-5-10 17235 Amador Northern Sierra Nevada Mountains Foothills, along Sutter Creek near Sutter Creek Rd., 2.9 air miles NE (68 deg. ) of town of Sutter Creek 412 Comment
  UCR231000  Silene gallica George K. Helmkamp, E. A. Helmkamp 2011-6-7 17477 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 3.4 miles west of Volcano 491 Comment
  CAS-BOT-BC181275  Silene invisa Dean Wm. Taylor; Rexford E. Palmer 1983-8-28 8286 Amador Porthole Gap, about 1 1/2 mile south of south end Silver Lake, along jeep road from Highway 88 to Allen Ranch 2407 Comment
  UC1511389  Silene invisa Dean Wm. Taylor, Rexford E. Palmer 1983-8-28 8286 Amador about 1 1/2 mi s of s end Silver Lake (Porthole Gap, along jeep road from Highway 88 to Allen Ranch); s of s end Silver Lake, Porthole Gap 2407 Comment
  CAS-BOT-BC389254  Silene lemmonii Geo. Hansen 1895-5-1 1098 Amador Panther Creek 1524 Comment
  CAS-BOT-BC364820  Silybum marianum Geo. Hansen 1893-6-1 390 Amador Pine Grove 762 Comment
  UC1032522  Sisyrinchium bellum G. T. Nordstrom 1936-4-19 726 Amador .8 mi n of Plymouth 304 Comment
  UC569947  Sisyrinchium bellum R. D. Roseberry 1935-4-20 98 Amador 2 1/2 mi n of Ione 121 Comment
  UC3861  Smilacina racemosa Geo. Hansen 1892-1 Amador Jackson Comment
  NY821026  Solanum nodiflorum J. T. Howell 1954-9-5 30043 Amador Near Ione 91 Comment
  NY821296  Solanum physalifolium E. Braunton 08 1904 1200 Amador Vicinity of Ione 61 Comment
  HSC21337  Solanum physalifolium var. nitidibaccatum Ernest Braunton Aug 1904 1200 Amador Vicinity of Ione 61 Comment
  UC192425  Solanum umbelliferum Geo. Hansen Aug 1891 117 Amador New York Falls; Sequoia Region, New York Falls Comment
  RSA122725  Solanum umbelliferum G. T. Nordstrom 1936-4-18 699 Amador 1.25 mi S.W. of Bisbee Pk. 213 Comment
  UC570683  Solanum umbelliferum H. L. Mason 1928-5-3 4485 Amador opposite of Clark Creek (s bank of Cosumnes River); Cosumnes River Comment
  SEINET6186071  Solanum xanti var. intermedium H. R. Holbo 1961-4-1 s.n. Amador Payne Ranch- East Ione 183 Comment
  UCR201735  Solidago occidentalis George K. Helmkamp, E. A. Helmkamp 2008-10-23 14281 Amador San Joaquin Valley, unnamed dirt road 0.1 mile west of Buena Vista Road, 1.9 miles north of Jackson Valley Road 128 Comment
  CAS-BOT-BC364899  Solidago velutina subsp. californica Geo. Hansen 1894-9-1 156 Amador New York Falls 609 Comment
  CHSC22916  Solidago velutina subsp. californica Robert A. Schlising; S. Banwar, G. Keator 1962-9-12 2406 Amador Sierra Nevada. Foothills; roadside along Hwy 88; Jct with Red Corral Road to West Point. Comment
  UC482966  Soliva sessilis Herbert L. Mason 1932-4-24 Amador above Ione Comment
  POM366672  Sorbus californica E. E. Stanford 1933-8-12 2134 Amador (and Alpine Co) Near Silver Lake 2287 Comment
  UCR241963  Sorghum halepense George K. Helmkamp, E. A. Helmkamp 2012-9-7 19793 Amador Northern Sierra Nevada Mountains Foothills, along CA-49 in Plymouth; 0.1 mile south of its junction with Fiddletown Rd./Plymouth-Shenandoah Rd. 303 Comment
  JEPS113008  Sparganium angustifolium Dean W. Taylor 1974-8-25 4856 Amador small ponds at northeast base of Mokelumne Peak 2514 Comment
  SEINET3894020  Sparganium minimum D. W. McNeal 1989-8-16 3648 Amador Below Hwy #88 at Carson Spur, 3.5 mi. ne. of the SIlver Lake Dam.; 0 2435 Comment
  CDA18609  Sparganium natans G. D. Barbe, T. C. Fuller & J. T. Howell 1981-8-1 3393 Amador Sierra Nevada; Small lake on south side of Hwy 88, just west of Carson Spur; 1 mile west of road to Lake Kirkwood, 3.6 miles west of Silver Lake (bridge). 2407 Comment
  CAS-BOT-BC389915  Spergula arvensis Ernest Braunton 1904-8-1 1176 Amador Preston School of Industry, Waterman. School Grounds Comment
  UC66930  Spergula arvensis subsp. arvensis Ernest Braunton August, 1904 1176 Amador vicinity Ione 60 Comment
  SBBG34584  Spergularia rubra T. L. Secrest 1950-8-17 Amador Silver Lake Comment
  UCR197611  Spergularia rubra George K. Helmkamp, E. A. Helmkamp 2008-6-23 13731 Amador Northern Sierra Nevada Mountains, Dufrene Road, 1.1 miles south of its junction with CA-88 (jct. is between Mormon Emigrant Trail and Bear River Reservoir Road), c. 2 miles (air) north of the west end of Lower Bear River Reservoir 2055 Comment
  POM101163  Spergularia villosa Geo Hansen 1896-4-13 1594 Amador Ione. Flora of the Sequoia Gigantea Region. 91 Comment
  CAS-BOT-BC236648  Sphenopholis obtusata Geo. Hansen 1893-5-1 615 Amador Agrc. Station 609 Comment
  RSA701460  Spiraea densiflora Gary D. Wallace 1987-6-23 2669 Amador Kirkwood Lake, near Hwy 88 NE of Silver Lake. Above lake. Comment
  CAS-BOT-BC421451  Spiraea splendens Geo. Hansen 1892-7-1 235 Amador Silver Lake 2438 Comment
  UCD114064  Spiraea splendens G. K. Helmkamp 2007-6-29 12432 Amador Northern Sierra Nevada Mountains: Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake. 2244 Comment
  UC67937  Sporobolus airoides Ernest Braunton 1904-9-1 1229 Amador vicinity Ione 60 Comment
  RSA785982  Stachys ajugoides Doris Bowers 1969-8-20 688 Amador Bear Reservoir, Bear River Lake, El Dorado National Forest 1220 Comment
  UCR241377  Stachys ajugoides var. rigida George K. Helmkamp, E. A. Helmkamp 2012-6-26 19263 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.9 mile south of its junction with CA-88, S of Hwy 88/Carson Pass Hwy. and W of Lower Bear Reservoir 1617 Comment
  SEINET11196340  Stachys rigida var. rigida Unknown 2012-6-26 19263 Amador Northern Sierra Nevada Mountains Comment
  UC66926  Stachys stricta Ernest Braunton July 1904 1087 Amador vicinity Ione 60 Comment
  UCD99411  Stellaria media G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11787 Amador Northern Sierra Nevada Mountains; along Bell Road beside Plymouth Creek just east of CA-49 in the vicinity of Enterprise. Comment
  CAS-BOT-BC374899  Stenotus acaulis W. Bryan Duncan 1927-8-1 s.n. Amador Carson Spur, vicinity of Silver Lake 2560 Comment
  UCR189514  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2007-8-16 12751 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 3.5 miles south of its junction with Mormon Emigrant Trail 2146 Comment
  UC195904  Stephanomeria virgata subsp. pleurocarpa Geo. Hansen 1896-9-2 1267 Amador Irishtown Sequoia Gigantea Region 457 Comment
  UC92359  Stephanomeria virgata subsp. pleurocarpa Geo. Hansen Aug 1894 1267 Amador Irishtown Sequoia Gigantea Region 457 Comment
  SD247294  Stipa lemmonii George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21015 Amador Northern Sierra Nevada Moutains: Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy (Tragedy Spring 7.5'Q) 2191 Comment
  RSA0070101  Streptanthus polygaloides George K. Helmkamp, Amy Barnes 2014-5-8 22841 Amador Tonzi Road, 0.4 mile east of its junction with CA-124, 4.5 air miles NE (35 deg ) of Ione. 188 Comment
  CAS-BOT-BC87502  Streptanthus tortuosus Geo. Hansen 1892-4-1 491 Amador Sequoia Region. Mokelumne River. 548 Comment
  CAS-BOT-BC87508  Streptanthus tortuosus D. E. Breedlove; M. Bourell; R. Patterson 1986-6-9 62831 Amador Above Ham Station on west slope of Carson Pass. 1980 Comment
  UCR196788  Streptanthus tortuosus var. tortuosus George K. Helmkamp 2008-6-17 13669 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  JEPS37780  Stylocline gnaphaloides John Thomas Howell 1954-5-18 29818 Amador hills 2 mi nne Buena Vista; Sierra Nevada 91 Comment
  UC1123314  Styrax officinalis var. redivivus G. T. Nordstrom 1936-6-17 840 Amador 1.6 mi se Mt. Zion; Jackson Quad., se of Mt. Zion Comment
  UC34885  Styrax officinalis var. redivivus Geo. Hansen 1891-1 Amador Comment
  UC733683  Swertia radiata H. E. McMinn 1932-7-26 2919 Amador Silver Lake Comment
  CAS-BOT-BC269556  Symphoricarpos albus var. laevigatus Geo. Hansen 1895-5-1 1143 Amador Elsie's [Else] Creek 914 Comment
  JEPS21751  Symphoricarpos albus var. laevigatus G. T. Nordstrom 1936-5-27 805 Amador 4.3 mi nw Volcano; Jackson Quad. 518 Comment
  UC1119934  Symphoricarpos albus var. laevigatus P. L. Johannsen 1937-7-16 1253 Amador 2 mi se Volcano; Jackson Quad. 762 Comment
  UC28681  Symphoricarpos albus var. laevigatus Geo. Hansen 1892-1 Amador Comment
  CAS-BOT-BC234610  Symphoricarpos mollis Geo. Hansen 1892-7-1 221 Amador Silver Lake 2438 Comment
  OBI19597  Symphoricarpos rotundifolius var. parishii H. E. McMinn 1932-7-27 2929 Amador Between Thimble Peak and Needles Eye Comment
  SJSU11555  Symphoricarpos rotundifolius var. rotundifolius E. H. Thiele 1969-9-27 Amador by Silver L 2225 Comment
  UCR200898  Symphoricarpos rotundifolius var. rotundifolius George K. Helmkamp, E. A. Helmkamp 2008-8-30 14064 Amador Northern Sierra Nevada Mountains, along Cole Creek Road near the crossing of Cole Creek 6.8 miles east of the Bear River Reservoir dam 1857 Comment
  CAS-BOT-BC438795  Symphyotrichum G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12740 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail. 2172 Comment
  UCR250632  Symphyotrichum George K. Helmkamp, E. A. Helmkamp 2007-8-16 12740 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail 2172 Comment
  CAS-BOT-BC98084  Symphyotrichum spathulatum Gwendolan Newell 1929-8-23 s.n. Amador Hidden Lake, Silver Lake Comment
  UC65425  Symphyotrichum spathulatum Ernest Braunton 1904-9-1 1238 Amador vincinity of Ione 60 Comment
  UCD74032  Symphyotrichum spathulatum Jennifer W. Burt 2006-8-10 217 Amador Kirkwood active ski area, off Hwy 88, collected from center of 'Lost Cabin' ski run. 2526 Comment
  CAS-BOT-BC98085  Symphyotrichum spathulatum John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-8-10 54427 Amador Small lake on Carson Pass road just west of Carson Spur near Kirkwood 2407 Comment
  CAS-BOT-BC99393  Symphyotrichum subulatum var. parviflorum Ernest Braunton 1904-8-1 1220 Amador School Grounds Comment
  UCD86113  Taeniatherum caput-medusae Beecher Crampton 1959-5-18 5216 Amador 4.2 miles south of Latrobe. Comment
  POM100430  Thalictrum polycarpum Geo. Hansen 1894-1-5 563 Amador Amador County: Clinton. 610 Comment
  CAS-BOT-BC66946  Thysanocarpus curvipes Geo. Hansen 1891-4-1 95 Amador Sequoia Region. New York Falls. 609 Comment
  UCR173365  Thysanocarpus curvipes George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10360 Amador Northern Sierra Nevada Foothills, Along Calif. Hwy 88, 0.9 mi. south of the El Dorado County line at Enterprise 274 Comment
  UCR173637  Thysanocarpus curvipes George K. Helmkamp, Elizabeth Helmkamp 2006-4-7 10162 Amador Northern Sierra Nevada Foothills, E of Sacramento, SW of Shenandoah Valley; along Calif. Hwy 49, c. 4.5 mi north of Plymouth 341 Comment
  CAS-BOT-BC88198  Thysanocarpus curvipes Geo. Hansen 1896-5-7 1624 Amador Sequoia Gigantea Region. Elsie's Creek. 822 Comment
  SEINET3149520  Thysanocarpus curvipes J. L. Strother, A. R. Smith 1970-5-3 921 Amador Near Highway 49, 1 mile N of Calaveras County boundary. 427 Comment
  CAS-BOT-BC67293  Thysanocarpus radians Geo. Hansen 1896-4-8 1551 Amador Sequoia Gigantea Region. Drytown. 91 Comment
  CAS-BOT-BC67294  Thysanocarpus radians Geo. Hansen 1893-6-1 570 Amador Sequoia Gigantea Region. New York Falls. 609 Comment
  JEPS78673  Thysanocarpus radians Edward Lee 1936-2-29 1771 Amador road just n Jones Butte; n of Jones Butte Comment
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Nov 22 2013
  CAS-BOT-BC67289  Thysanocarpus radians David French 1968-4-7 2840 Amador From Carbondale, an almost deserted settlement a few miles northwest of Ione. South of railroad near former RR station. Comment
  CAS-BOT-BC67290  Thysanocarpus radians David French 1968-4-7 2842 Amador From Carbondale, an almost deserted settlement a few miles northwest of Ione. South of railroad near former RR station. Comment
  RSA785394  Torilis arvensis George K. Helmkamp, E. Helmkamp 2010-6-23 16341 Amador Sutter Creek Road, 7.2 miles northeast of its junction with old CA-49 in Sutter Creek village 473 Comment
  UCR218191  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2010-5-31 16157 Amador Sierra Nevada Mountains Foothills, Church Street, becoming Sutter Creek-Volcano Road, 0.2 mile east of the village of Sutter Creek 402 Comment
  UCR250444  Torilis arvensis George K. Helmkamp, Elizabeth Helmkamp 2013-5-22 20660 Amador Northern Sierra Nevada Mtns. Foothills, Ostrom Road, 1.2 miles east of E-16 (Plymouth-Shenandoah Rd.), 1.1 mi. north (353 deg. ) of Fiddletown 572 Comment
  SBBG34045  Torreyochloa erecta T. L. Secrest 1950-8-17 Amador Silver Lake Comment
  CHSC91540  Torreyochloa pallida var. pauciflora G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-8-10 3398 Amador Sierra Nevada. Along shoreline of small lake on south side of Hwy 88, just west of Carson Spur; 1 mile west of road to Lake Kirkwood, 3.6 miles west of Silver Lake (bridge). 2407 Comment
  UC1738793  Torreyochloa pallida var. pauciflora Dean W. Taylor 1975-7-27 5063 Amador Silver Lake, Carson Pass 2133 Comment
  CAS-BOT-BC172890  Toxicodendron diversilobum Geo. Hansen 1892-6-1 53 Amador New York Falls, Agrc. Station 609 Comment
  UCR259888  Tribulus terrestris George K. Helmkamp, Elizabeth Helmkamp 2013-10-22 22455 Amador Sierra Nevada Mountains Foothills, Shenandoah Road, near Sobon Creek, 6.8 miles northeast of its junction with CA-49 in Plymouth 563 Comment
  UCR230730  Trichostema lanceolatum George K. Helmkamp, E. A. Helmkamp 2010-10-1 16988 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 0.8 mile southwest of its junction with Fiddletown Road, 3.5 miles NE (32 deg. ) of Volcano 976 Comment
  UC1137626  Trichostema oblongum P. L. Johannsen 1937-7-16 21502 Amador 2 1/2 mi NW of Whitmore 1066 Comment
  UC85336  Trifolium albopurpureum var. albopurpureum Geo. D. Butler 1893-4-7 22 Amador Jackson 396 Comment
  SEINET7072661  Trifolium bifidum A. G. Vestal 1963-5-5 s.n. Amador About 2 miles west of Plymouth. Along Little Indian Creek. UTM Zone 10, 684870mE, 4261460mN. Coordinate datum: NAD 27. Comment
  CHSC79509  Trifolium ciliolatum G. F. Hrusa; J. Hart 1996-4-15 12819 Amador Consumnes Blue Oak Habitat. Woodlands on N side of Twin Cities Rd. approx. 1/4 m W of intersection with Michigan Bar Rd. 50 Comment
  SEINET7067444  Trifolium ciliolatum A. G. Vestal 1947-6-5 s.n. Amador About 3.3 miles east of the junction with road to West Point (Route 26) on Route 88 and about 0.8 miles east of Pioneer. Coordinate datum: NAD27. Comment
  SBBG129035  Trifolium cyathiferum G. K. Helmkamp, E. A. Helmkamp 2010-9-1 16870 Amador CA-88, 2.6 mi SW of its jct with Mormon Emigrant Trail, ca. 2.75 mi NNW of Upper Bear River Reservoir 2162 Comment
  UCR242357  Trifolium cyathiferum George K. Helmkamp, E. A. Helmkamp 2010-9-1 16870 Amador Northern Sierra Nevada Mountains, along CA-88, 2.6 miles southwest of its junction with Mormon Emigrant Trail, c. 2.75 mi. NNW of Upper Bear River Reservoir 2162 Comment
  SEINET7249042  Trifolium cyathiferum George K. Helmkamp, E. A. Helmkamp 2010-1 Amador Comment
  RSA657068  Trifolium depauperatum Beecher Crampton 2368 Amador 3 miles northwest of Ione. Comment
  CAS-BOT-BC227278  Trifolium dubium George K. Helmkamp; E. A. Helmkamp 2011-5-10 17233 Amador Northern Sierra Nevada Mountains Foothills: Turner Road, 0.8 miles south of its junction with Amador Creek Road, 0.95 mi. SE (119 deg. ) of Amador City 311 Comment
  CHSC56983  Trifolium dubium Steven Triano 1988-4-29 89 Amador Growing around the perimeter of a livestock watering hole at the headwaters of Dry Creek, ca. 250 ft sw of Hwy. 49 and 0.7 mi s of its jct. with Hwy. 16. 213 Comment
  SD212620  Trifolium dubium G. K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10334 A Amador Grass Valley Creek, 1.2 miles east of Pine Grove along Highway CA 88. 762 Comment
  SEINET3271593 Image available Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2007-4-26 11822 Amador Foothills, northern Sierra Nevada Mountains; along Calif. E-16, 0.7 mile south of River Pines 610 Comment
  SD212621  Trifolium glomeratum G. K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10302 Amador Along Highway CA 49, 0.3 mile south of Drytown. 226 Comment
  UCD83153  Trifolium glomeratum CNPS SSN-SJV Foothill Team 2008-6-26 202 Amador Amador County; East Bay MUD property, North of Camanche Reservoir. 118 Comment
  UCD143705  Trifolium grayi Beecher Crampton 1963-4-23 6726 Amador 1 mile south of Carbondale. Comment
  NY33721  Trifolium hansenii G. Hansen 1892-6-20 352 Amador Comment
  SJSU8003  Trifolium hirtum T. N. Seeno 1962-4-28 154 Amador 2 mi S of Ione 365 Comment
  UCR173666  Trifolium hirtum George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10334 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  UCR173836  Trifolium hirtum George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10301 Amador Northern Sierra Nevada Foothills, along Calif. Hwy 49, 0.3 mile south of Drytown 226 Comment
  UCR185332  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2007-4-23 11798 Amador Foothills, Northern Sierra Nevada Mountains, along Calif. Hwy 124, 0.25 mile from its junction with Hwy 16 252 Comment
  UCR246584  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2012-6-6 19143 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 6.2 miles south of its junction with CA-88, 5.9 mi. SW (245 deg. ) of Bear River Reservoir dam 1438 Comment
  UCD111286  Trifolium longipes W. A. Williams 1951-7-6 s.n. Amador Red Lake, Hwy 88 East Carson Pass. 2438 Comment
  UCD111285  Trifolium longipes W. A. Williams 1951-7-6 s.n. Amador 1.5 mi. W Carson Spur. 2438 Comment
  JEPS29530  Trifolium microcephalum Paul C. Hutchison 1962-4-28 2384 Amador near Rancheria Creek (betw Sutter Creek and Daffodil Hill, along Gopher Gulch) Comment
  SEINET7042523  Trifolium microcephalum A. G. Vestal 1963-5-28 s.n. Amador Shoulder along Route 88. 2.3 miles east of Route 49. Mokelumne Hill quadrangle UTM Zone 10, 698724mE, 4248383mN. Comment
  CDA17046  Trifolium monanthum subsp. parvum G. F. Hrusa, J. Glazner 2003-7-22 16116 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  UC572611  Trifolium obtusiflorum C. M. Belshaw 1936-6-29 2380 Amador 2.5 mi nnw Glencoe; Jackson Quadrangle 792 Comment
  JEPS4387  Trifolium oliganthum W. L. Jepson 1938-4-14 18669 Amador Ione Comment
  SEINET7072658  Trifolium oliganthum A. G. Vestal 1963-5-5 s.n. Amador About 2 miles west of Plymouth. Along Little Indian Creek. UTM Zone 10, 684870mE, 4261460mN. Coordinate datum: NAD 27. Comment
  RSA0116239  Trifolium tomentosum George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10302 Amador Northern Sierra Nevada foothills: along Hwy CA-49, 0.3 mile south of Drytown. 226 Comment
  SEINET7067445  Trifolium variegatum A. G. Vestal 1947-6-5 s.n. Amador About 3.3 miles east of the junction with road to West Point (Route 26) on Route 88 and about 0.8 miles east of Pioneer. Coordinate datum: NAD27. Comment
  SEINET7072523  Trifolium variegatum A. G. Vestal 1963-5-5 s.n. Amador Along Little Indian Creek. About 23.7 miles west of Plymouth. Coordinate datum: NAD 27. UTM Zone 10, 682518mE, 4261592mN. Comment
  UCD38360  Trifolium variegatum Beecher Crampton 1955-3-29 2375 Amador 0.8 miles south of Watts Station. Comment
  JEPS4414  Trifolium variegatum var. melananthum W. L. Jepson 1929-4-29 15224 Amador n Ione (Dry Creek hills) 167 Comment
  RSA657070  Trifolium variegatum var. variegatum Beecher Crampton 1955-3-29 2363 Amador 1.5 miles south of Carbondale Comment
  SEINET10577510  Trifolium watsonii George Hansen Hansen 1064 Amador White Bear. Flora of the Sequoia Region. 305 Comment
  UCD109854  Trifolium willdenovii G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10354 Amador Northern Sierra Nevada Foothills: Along CA Hwy 88, 0.9 mi. S of the El Dorado County line at Enterprise. 274 Comment
  POM28375  Trifolium willdenovii Geo. Hansen 1896-5-13 1640 Amador Fishers Cabin. Amador and Calaveras counties. 366 Comment
  SEINET10577885  Trifolium willdenovii George Hansen 1896-5-13 Hansen 1640 Amador Amador And Calaveras Counties. Fisher's Cabin. Mokelumne River and immediate tributaries. 366 Comment
  POM27874  Trifolium wormskioldii Geo. Hansen 1896-5-20 981 Amador Jackson Gate. Sequoia Gigantea Region. 457 Comment
  CAS-BOT-BC519069  Trillium angustipetalum Carl B. Wolf 1933-5-24 4916 Amador 7 1/2 miles above Pine Grove on Carson Pass Highway, west slope Sierra Nevada 1524 Comment
  JEPS15137  Triphysaria eriantha subsp. eriantha G. T. Nordstrom 1936-4-19 719 Amador 0.9 mi n Plymouth; Jackson Quad. 304 Comment
  UC569938  Triphysaria eriantha subsp. eriantha G. T. Nordstrom 1936-4-19 719 Amador 0.9 mi n Plymouth; Jackson Quad. 304 Comment
  UCD80795  Triphysaria pusilla CNPS SN Foothill Team 2006-5-1 SNFN 0394 c Amador Port Ranch (private), NE quarter of the property, just south of the railroad tracks. 178