Search Results — 2000 specimen records retrieved (1517 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC203213  Abutilon L. Brown 1960-8-31 s.n. Amador Preston School of Industry, Ione Comment
  CAS-BOT-BC330604  Acer glabrum var. glabrum Geo. Hansen 1896-8-2 2000 Amador Mud Springs 1676 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
  RSA96087  Acer macrophyllum Percy C. Everett, E. K. Balls 1954-10-7 20236 Amador Hwy 49, 1.2 mi. NW Caleveras-Amador County Line, San Andreas to Jackson. 366 Comment
  UCD128310  Achillea millefolium G. K. Helmkamp 2007-6-29 12455 Amador Northern Sierra Nevada Mountains: South side of CA-88, 0.2 mile west of Carson Spur summit. 2420 Comment
  UCR173364  Achillea millefolium George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10361 Amador Northern Sierra Nevada Foothills, Near Enterprise, c. 0.4 mi. east of Calif. Hwy 88 on an unnamed dirt road (probably Bell Road) 305 Comment
  UCR258133  Achillea millefolium George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-8-4 19547 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
  POM295493  Achnatherum nelsonii subsp. dorei Lyman Benson 1931-8-24 2871 Amador Silver Lake, Sierra Nevada. Near the lake. 2287 Comment
  CAS-BOT-BC216447  Achnatherum occidentale subsp. californicum H. Dana Bowers 1964-7-1 s.n. Amador Highway 88 to Carson pass between Cook's Station and Tragedy Springs 2286 Comment
  UCR237278  Achnatherum occidentale subsp. occidentale George K. Helmkamp, E. A. Helmkamp 2012-7-2 19300 Amador Northern Sierra Nevada Mountains, Bear River Road at the south end of the dam of Lower Bear River Reservoir 1774 Comment
  UC1125424  Achyrachaena mollis G. T. Nordstrom 1936-4-19 727 Amador .7 mi n Plymouth; Jackson Quadrangle 304 Comment
  SEINET953770  Acmispon americanus var. americanus G. K. Helmkamp, E. A. Hemkamp 2006-1 11569 Amador Central Valley/Northern Sierra Nevada Foothills: along CA-16 0.2 mile east of Waits Station, southwest of Plymouth (Irish Hill 7.5' Q.) 305 Comment
  SD239733  Acmispon glaber var. glaber George K. Helmkamp, E. A. Helmkamp 2011-5-19 17292 Amador Northern Sierra Nevada Mountains Foothills: NW of Pardee Reservoir, 0.1 mile east of Rock Creek Road on a gravel spur leading to houses, 4.65 mi SW (220a^z) of Jackson (Jackson 7.5'Q) 280 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
  UC69938  Aconitum columbianum Earle Mulliken Jul 27 1904-Aug 5 1904 142 Amador Silver Lake Sierra Nevada Mts., Silver Lake 2194 Comment
  CAS-BOT-BC391357  Aconitum columbianum subsp. columbianum Bryan Duncan 1927-8-1 s.n. Amador Vicinity of 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
  CDA15029  Acroptilon repens F. Lesky 1998-8-19 s.n. Amador Sierra Nevada; 1 mi. E of Corral Flat Rd., Hwy 88. Comment
  CAS-BOT-BC133148  Adenostoma fasciculatum Geo. Hansen 1892-1-1 s.n. Amador [Dry Town] Drytown 182 Comment
  CAS-BOT-BC133150  Adenostoma fasciculatum Geo. Hansen 1893-6-2 233 Amador Drytown 152 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
  UCD34005  Adenostoma fasciculatum Beecher Crampton 1975-8-27 9254 Amador 4.5 miles N of Ione (by road) on State Highway 124 at Tonzi Road. 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
  UCR257059  Adenostoma fasciculatum George K. Helmkamp, Mary Alice Barnes 2013-5-17 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 302 Comment
  UC42047  Adiantum aleuticum Geo. Hansen Amador Panther Comment
  UCD51552  Aegilops triuncialis Beecher Crampton 1959-5-18 5214 Amador 6.5 miles south of Latrobe. Comment
  UCD55246  Aegilops triuncialis G. F. Hrusa; J. Hart 1996-5-9 12931 Amador Howard Ranch. Hills S of Twin Cities Rd. (Hwy. 104). Mostly Gopher Ridge Volcanic Formation (JgO), some Mehrten Formation. 85 Comment
  UCR248387  Aegilops triuncialis George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21007 Amador Northern Sierra Nevada Mountains, Plasse Road toward Silver Lake, 0.3 mile south of CA-88/Carson Pass Hwy 2276 Comment
  CDA3935  Aeonium arboreum R. Jameson, L. Brown 1960-3-2 3646 Amador 0 Comment
  UC32609  Agastache urticifolia Geo. Hansen 1892-1 437 Amador Comment
  UC733684  Agastache urticifolia H. E. McMinn 1932-7-27 2928 Amador w Needles Eye; West of Needles Eye 2377 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
  UCR230659  Agoseris grandiflora George K. Helmkamp, E. A. Helmkamp 2011-6-7 17458 Amador Northern Sierra Nevada Mountains Foothills, Pine Gulch Road, 0.5 mile north of its intersection with Sutter Creek Road 457 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
  CAS-BOT-BC22817  Agoseris heterophylla var. cryptopleura Rimo Bacigalupi; G. T. Robbins 1955-5-6 5039 Amador Along Ione-Plymouth Road, 6.5 miles NE of Ione 228 Comment
  JEPS12991  Agoseris heterophylla var. cryptopleura Rimo Bacigalupi with G. T. Robbins 1955-5-6 5039 Amador 6.5 mi ne, along Ione-Plymouth road Ione 228 Comment
  UC71929  Agoseris heterophylla var. heterophylla Geo. Hansen 1892-1 406 Amador Comment
  CAS-BOT-BC13337  Agoseris retrorsa George Hansen 1892-4-1 s.n. Amador Agr Station 609 Comment
  UC36841  Agrostis alba Geo. Hansen 1896-7-13 1846 Amador meadow Sequoia Gigantea Region, Pioneer 1066 Comment
  UC36844  Agrostis alba Geo. Hansen 1896-7-13 1832 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
  UCD38704  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
  CHSC47598  Agrostis elliottiana John Thomas Howell 1954-5-18 29801 Amador Sierra Nevada. 2 miles nne of Buena Vista. 91 Comment
  SBBG115791  Agrostis elliottiana B. Crampton 1963-4-23 6732 Amador ca. 2.5 mi S of Ione, Buena Vista Rd Comment
  RSA129585  Agrostis exarata C. M. Belshaw 1936-7-10 2462 Amador 1/2 miles W. of Clinton. 488 Comment
  UC36916  Agrostis exarata Geo. Hansen 1896-7-13 1826 Amador Pioneer Sequoia Gigantea Region 1066 Comment
  UC36977  Agrostis exarata Geo. Hansen 1892-1 612 Amador Agric. Exp. Sta. 609 Comment
  SEINET10790034  Agrostis exarata George Hansen 1896-1 Hansen 1826 Amador Pioneer. 914 Comment
  SEINET10467625  Agrostis gigantea George Hansen 1896-7-7 Hansen 1796 Amador Amador and Calaveras counties. Mokelumne River and immediate tributaries. West Point Bridge. 701 Comment
  POM290663  Agrostis idahoensis Lyman Benson 1931-8-26 2880 Amador Silver Lake 2287 Comment
  SEINET13276781 Image available Agrostis idahoensis George K. Helmkamp, Amy Barnes 2014-1 23145 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
  UCD83121  Agrostis idahoensis CNPS SSN-SJV Foothill Team 2008-7-24 170 Amador Amador County; Ione, BLM property. 112 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
  SEINET10968048  Agrostis idahoensis George Hansen Hansen 2079 Amador Bear River 1676 Comment
  CAS-BOT-BC138878  Agrostis microphylla Beecher Crampton 1957-5-28 4055 Amador State Highway 16, ca. 3.5 miles west of Drytown. Comment
  UCD83266  Agrostis microphylla CNPS SSN-SJV Foothill Team 2008-7-24 298 Amador Amador County; BLM lands - near Camanche Reservoir. 84 Comment
  SBBG115825  Agrostis pallens J. T. Howell 1954-5-18 29784 a Amador ca. 2 mi NNE of Buena Vista 91 Comment
  UC36903  Agrostis pallens Geo. Hansen 1896-1 1738 Amador hillside Sequoia Region, Agrc. Station 609 Comment
  UCD37125  Agrostis pallens Beecher Crampton 1957-5-28 4076 Amador Amador County, 2 miles south of Ione, along new Highway 88. Comment
  UCD53106  Agrostis pallens Beecher Crampton 1957-5-28 4076 Amador along new Hwy. 88, 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
  UCR189519  Agrostis scabra George K. Helmkamp, E. A. Helmkamp 2007-8-16 12761 Amador Northern Sierra Nevada Mountains, along the south side of Bear River Reservoir just east of the spillway 1777 Comment
  RSA0060680  Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2007-8-16 12770 Amador Along Hwy CA-88, 0.9 mile northeast of the junction with Bear River Reservoir Road. 2076 Comment
  UCR241378  Agrostis thurberiana George K. Helmkamp, E. A. Helmkamp 2012-6-26 19269 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
  UC36932  Agrostis variabilis Geo. Hansen 1892-1 597 Amador Hermit Valley 1828 Comment
Read comments
Mar 5 2015
  UCD36435  Agrostis variabilis Beecher Crampton 1953-7-30 1565 Amador Amador County, 1/2 mile north of Silver Lake, along Highway 88. 2225 Comment
  UCD53703  Agrostis variabilis Dean W. Taylor 1974-8-25 4858 Amador On the north face of Mokelumne Peak. 2676 Comment
  UCD57176  Agrostis variabilis Terri Williamson 1990-4-28 37 Amador Hwy. 124 and Brickyard Rd. 1 1/2 mi. SE of Ione. 91 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
  CAS-BOT-BC138582  Agrostis variabilis Gwendolan Newell 1929-8-24 s.n. Amador Summit Emigrant Trail. Silver Lake. 2438 Comment
  RSA0081169  Ailanthus altissima George K. Helmkamp, E. A. Helmkamp 2006-10-6 11465 Amador Along Calif. Hwy 49 near Enterprise, 1.8 miles south of El Dorado Co. line. 274 Comment
  UCR208327  Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2009-3-26 14472 Amador San Joaquin Valley, along CA-88, 0.4 mile northeast of the San Joaquin Co. line 81 Comment
  UCR233134B  Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2010-3-26 15774 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
  UCR256995  Aira caryophyllea George K. Helmkamp, Mary Alice Barnes 2013-5-13 20578 Amador Sierra Nevada Mountains, Fiddletown Road, c. 9 miles northeast of its junction with E-16/Shenandoah Rd. near Plymouth 665 Comment
  CAS-BOT-BC445352  Alisma plantago-aquatica Ernest Braunton 1904-7-1 1099 Amador Ione, Dry Creek Comment
  UC3197  Allium campanulatum Geo. Hansen 1892-1 Amador Jackson Comment
  SD130990  Allium campanulatum D. E. Breedlove, M. Bourell, R. Patterson 1986-6-9 62829 Amador Above Ham Station on west slope of Carson Pass. 1980 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
  JEPS91043  Allium obtusum var. conspicuum Dean William Taylor 1973-5-19 2343 Amador along Highway 88 across road from Hams Station; Highway 88 1615 Comment
  CAS-BOT-BC472882  Allium obtusum var. conspicuum Mingrone; McNeal 1967-6-15 12 Amador 22 miles east of Pine Grove Comment
  SEINET3878534  Allium obtusum var. obtusum D. W. McNeal 1996-6-15 4176 Amador Below the road to Salt Springs Reservoir, 0.3 mi SE of Hwy #88 at Lumberyard R.S. Eldorado National Forest.; 0 Comment
  HSC47290  Allium tribracteatum Dale McNeal 1975-6-23 1813 Amador Above Hwy. 88, 1.0 mi. E of Lumberyard R.S., El Dorado National Forest Comment
  SEINET8467301 Image available Allium validum George K. Helmkamp, Ann Kerchner 2009-7-25 15283 Amador south side of CA-88, 3.2 miles west of the Alpine Co. line; near Martin Meadow 2306 Comment
  UCR206607  Allium validum George K. Helmkamp, Ann Kerchner 2009-7-25 15283 Amador Sierra Nevada Mountains, south side of CA-88, 3.2 miles west of the Alpine Co. line; near Martin Meadow 2306 Comment
  CAS-BOT-BC474322  Allium validum Beatrice L. Howitt 1962-7-29 379 Amador Just off Carson Pass Highway (#88), west of Silver Lake 2286 Comment
  SEINET5629394 Image available Allium validum Unknown 1904-1 139 Amador Siver Lake 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
  UCD141866  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
  UCR233672  Allophyllum divaricatum George K. Helmkamp, E. A. Helmkamp 2011-8-6 17954 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UCR219031  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2010-7-13 16525 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  UCR237716  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2012-7-14 19396 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
  UC55012  Alnus incana subsp. tenuifolia Geo. Hansen 7 a Amador Sierra Nevada Comment
  CAS-BOT-BC171440  Alnus rhombifolia Alice Eastwood 1921-3-19 10145 Amador Ione Comment
  UC153621  Alnus rhombifolia Geo. Hansen 1895-8-1 810 Amador Irishtown Sequoia Gigantea Region 457 Comment
  UCR230743  Alnus rhombifolia George K. Helmkamp, E. A. Helmkamp 2010-10-1 16987 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Rd. toward Volcano, 4.2 miles east of CA-49 in Sutter Creek 421 Comment
  UCR240744  Alnus rhombifolia George K. Helmkamp, E. A. Helmkamp 2012-10-5 19973 Amador Northern Sierra Nevada Mountains Foothills, beside Sutter Creek along the Sutter Creek-Volcano Road, 0.6 mile southwest of Meadowlark Lane 421 Comment
  UCD33079  Alopecurus saccatus Beecher Crampton 1966-5-3 7693 Amador Amador County, ca. 4 miles S.W. of Ione on Jackson Valley road. Comment
  UCR209571  Amaranthus albus George K. Helmkamp, E. A. Helmkamp 2009-8-24 15526 Amador Northern San Joaquin Valley, Carbondale Road, 1.2 miles south of its junction with Lambert Road 101 Comment
  UC153852  Amaranthus blitoides Geo. Hansen Jul 1893 317 Amador New York Falls Sequoia Region 609 Comment
  CDA3240  Amaranthus cruentus L. Brown 1960-8-31 Amador Highway 88, 4 miles west of Jackson. 0 Comment
  UCD112869  Amelanchier alnifolia T. I. Storer 1925-7-12 569 Amador Silver Lake. Comment
  RSA499881  Amsinckia F. C. Ball 1933-4-12 s.n. Amador Jackson Comment
  SEINET11792262  Amsinckia douglasiana F. Smith 1956-3-28 s.n. Amador Dry slopes along road at Jackson California 244 Comment
  JEPS61129  Amsinckia intermedia W. L. Jepson 1938-4-14 18667 Amador Ione Comment
  UCD119638  Amsinckia intermedia Kathryn Johnson 1966-3-27 11 Amador State Highway 16, 4 miles W of Michigan Bar. 91 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
  UCR189485  Amsinckia retrorsa George 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
  UC1123231  Anagallis arvensis R. D. Roseberry 1935-4-20 62 Amador 2 1/2 mi. n. Ione; Jackson Quad. 121 Comment
  UCD38697  Anagallis arvensis Beecher Crampton 1957-5-28 4064 Amador 5.3 miles northeast of Jackson, old UC Foothill Field station, Reservoir Hill. Comment
  UCR182141  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 2006-10-23 11562 Amador Central Valley/ Northern Sierra Nevada Foothills, along Calif. Hwy 16, 0.2 mile east of Waits Station, southwest of Plymouth 305 Comment
  UCR218197  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 2010-5-31 16168 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 1.6 miles east of the village of Sutter Creek 412 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
  UC1125519  Anaphalis margaritacea A. D. Gifford 1934-9-8 351 Amador 1/2 mi e of Bear Riv. Res.; Pyramid Peak Quad. 1920 Comment
  UC912230  Anaphalis margaritacea Herbert L. Mason 1933-9-2 7276 Amador Silver Lake; Sierra Nevada Comment
  UC912250  Anaphalis margaritacea Herbert L. Mason 1933-9-2 7271 Amador Silver Lake; Sierra Nevada Comment
  UCR261983  Anaphalis margaritacea George K. Helmkamp, Amy Barnes 2014-10-10 23135 Amador Northern Sierra Nevada Mountains, west side of Bear River Reservoir, 0.2 mile north of the dam 1796 Comment
  CDA1718  Andropogon virginicus T. C. Fuller 1961-10-4 7080 Amador Hwy 88, 4.5 miles east of Jackson. Oneto property. 0 Comment
  CDA31534  Andropogon virginicus T. C. Fuller 1961-10-4 7078 Amador Buena Vista Rd., 3 miles southeast of Buena Vista, Leavitt Property. 0 Comment
  UCD56122  Andropogon virginicus T. C. Fuller 1961-10-4 7078 Amador 3 mi. southeast of Buena Vista, Buena Vista Rd., Leavitt prop. Comment
  UCR209580  Andropogon virginicus var. virginicus George K. Helmkamp, E. A. Helmkamp 2009-8-24 15528 Amador Northern San Joaquin Valley, Carbondale Road, 1.2 miles south of its junction with Lambert Road 101 Comment
  UCR250170  Anthemis cotula George K. Helmkamp, Elizabeth Helmkamp 2013-5-22 20661 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
  CAS-BOT-BC454507  Aphanes occidentalis Geo. Hansen 1893-5-1 500 Amador Sequoia Region, Silver Lake 2438 Comment
  CAS-BOT-BC454509  Aphanes occidentalis Alice Eastwood 1921-3-19 10127 Amador Ione Comment
  JEPS81898  Apocynum androsaemifolium Roger Raiche 1982-8-16 20689 Amador Caples Lake 2377 Comment
  UC449676  Apocynum androsaemifolium Geo. Hansen 1892-1 Amador Comment
  UC578645  Apocynum cannabinum G. T. Nordstrom 1936-6-5 821 Amador 5 mi. n.w. Pine Grove; Jackson Quad. 609 Comment
  UCD95562  Aquilegia formosa T. E. Weier 1940-7-25 s.n. Amador 2 miles south of Carson Spur. Comment
  UCR237091  Arabis drummondii George K. Helmkamp, E. A. Helmkamp 2012-7-14 19410 Amador Northern Sierra Nevada Mountains, between CA-88 and the El Dorado County line, 0.9 mile north of Silver Lake along CA-88 2267 Comment
  UCR248377  Arabis hirsuta var. glabrata George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21026 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  CAS-BOT-BC128716  Arbutus menziesii Geo. Hansen 1893-6-1 s.n. Amador Grass Valley 914 Comment
  CAS-BOT-BC407744  Arceuthobium abietinum Clarence R. Quick 1954-9-23 54 -87 Amador East of Lower Bear River Reservoir Comment
  CAS-BOT-BC407684  Arceuthobium americanum Clarence R. Quick 1954-9-23 54 -88 Amador E of Lower Bear River Reservoir Comment
  UCD101926  Arceuthobium campylopodum T. E. Weier 1940-7-25 s.n. Amador 2 miles south of Carson Spur. Comment
  UC2044065  Arctostaphylos Holly Forbes, Barbara Keller, B. Brenneman 2012-2-9 Amador BLM parcel ACEC off Buena Vista Road, SSE of Ione, W of the Amador-Calaveras Co. line and Pardee Reservoir, N of Mokelumne River. Comment
  JEPS91243  Arctostaphylos X helleri Dean William Taylor Amador along road from Ione to Placerville, about 5 mi E of town 228 Comment
  OBI14647  Arctostaphylos manzanita Lewis S. Rose 1966-2-26 66001 Amador 1 mi SE of Ione 122 Comment
  RSA632966  Arctostaphylos manzanita Jon E. Keeley 1993-9-14 25034 Amador Irish Hill Road, 8 km north of Highway 104, west of I-one. 90 Comment
  RSA632973  Arctostaphylos manzanita Jon E. Keeley 1993-9-14 25033 Amador Irish Hill Road, 8 km north of Highway 104, west of I-one. 90 Comment
  RSA632977  Arctostaphylos manzanita Jon E. Keeley 1993-9-14 25072 Amador Highway 49, south of Jackson. 360 Comment
  SEINET7258373  Arctostaphylos manzanita R. Collins, R. Woodward 1987-2-16 1157 Amador Werner Jasper property 73 Comment
  CAS-BOT-BC38853  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1925-3-3 12416 Amador Ione Comment
  CAS-BOT-BC38854  Arctostaphylos manzanita subsp. manzanita Alice Eastwood 1925-3-3 12417 Amador Ione Comment
  CAS-BOT-BC38894  Arctostaphylos manzanita subsp. manzanita Brandegee 1889-1-1 35 Amador Ione Comment
  RSA293491  Arctostaphylos manzanita subsp. manzanita C. W. Tilforth, John Dourley 1979-7-23 1863 Amador Jct of Willow Creek Rd, and Hwy 124, north of Ione. Comment
  UC583303  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1936-3-16 36029 Amador Ione 60 Comment
  SD49845  Arctostaphylos mewukka P. L. Johannsen 1936-6-15 910 Amador Jackson quadrangle, 1.5 mi. N of Esmeralda 609 Comment
  CAS-BOT-BC40052  Arctostaphylos myrtifolia Geo. Hansen 1895-1-1 1066 Amador Comanche 91 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-BC40091  Arctostaphylos myrtifolia Alice Eastwood 1921-3-18 s.n. Amador Ione Comment
  CAS-BOT-BC40092  Arctostaphylos myrtifolia Alice Eastwood 1921-3-18 s.n. Amador Ione Comment
  CAS-BOT-BC40095  Arctostaphylos myrtifolia H. P. Bracelin 1931-2-22 145 Amador About one mile southeast of Ione on Jackson road. Comment
  CAS-BOT-BC40096  Arctostaphylos myrtifolia C. B. Wolf 1931-9-12 1300 Amador 2 miles east of Ione on road to Jackson. 167 Comment
  CAS-BOT-BC45582  Arctostaphylos myrtifolia Charles H. Lamoureux; Roman Gankin 1956-2-18 97 Amador Populations samples from n. side Jackson-Stockton Highway, 0.3 mi. e. of jct. with Ione-Buena Vista Rd. Comment
  CAS-BOT-BC45585  Arctostaphylos myrtifolia Brandegee 1889-4-1 s.n. Amador Ione. Comment
  CAS-BOT-BC45586  Arctostaphylos myrtifolia Brandegee 1889-4-1 s.n. Amador Ione. Comment
  CAS-BOT-BC45590  Arctostaphylos myrtifolia John Thomas Howell 1931-2-22 5734 Amador Ione. Comment
  CAS-BOT-BC45598  Arctostaphylos myrtifolia Roman Gankin 1963-5-16 358 Amador 1 mi. n. of junction Carbondale Rd. and north-south road which leads through the town of Carbondale. Comment
  JEPS38783  Arctostaphylos myrtifolia W. I. Follett 1935-1-13 18 Amador 1 mi e Ione (between Ione and Jackson) Comment
  JEPS78667  Arctostaphylos myrtifolia Edward Lee 1936-2-29 1762 Amador Fork of Ione and Buena Vista Roads Ione (2.5 mi (straight line) se) Comment
  JEPS78668  Arctostaphylos myrtifolia Edward Lee 1936-2-29 1763 Amador fork of Ione and Buena Vista Roads; 2.5 mi (straight line) se of Ione Comment
  LA42199  Arctostaphylos myrtifolia Gilbert T. Benson; 1926-1-23 1887 Amador 1 mi. E of Ione, probably the type station Comment
  OBI14615  Arctostaphylos myrtifolia Robert F. Hoover 1962-1 Amador Comment
  OBI14618  Arctostaphylos myrtifolia Robert F. Hoover 1962-1 Amador Comment
  POM172078  Arctostaphylos myrtifolia Lester Rowntree 1930-8-24 s.n. Amador between Jackson and Ione 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
  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
  RSA388015  Arctostaphylos myrtifolia Roman Gankin 1956-2-4 88 Amador 1/2 mile N of Mokelumne River behind high cliffs. Cliff located right across the river from Comanche. Comment
  RSA437609  Arctostaphylos myrtifolia R. Collins, R. Woodward 1987-2-16 1154 Amador T7N, R9E, S33, Werner Jasper Property 73 Comment
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Nov 18 2007
  RSA51313  Arctostaphylos myrtifolia P. H. Raven 1950-2-11 1342 Amador Sierra Foothills at Ione, E and SE of town 91 Comment
  RSA633198  Arctostaphylos myrtifolia Jon E. Keeley 1993-9-14 24053 Amador Southeast of Ione on Highway 104 near railroad tracks. 100 Comment
  RSA633202  Arctostaphylos myrtifolia Jon E. Keeley 1993-9-14 24050 Amador Southeast of Ione on Highway 104 near railroad tracks. 100 Comment
  RSA633206  Arctostaphylos myrtifolia Jon E. Keeley 1993-9-14 24055 Amador Southeast of Ione on Highway 104 near railroad tracks. 100 Comment
  RSA70836  Arctostaphylos myrtifolia H. P. Bracelin 1931-2-22 145 Amador About one mile southeast of Ione on Jackson Road. Comment
  SBBG60030  Arctostaphylos myrtifolia H. P. Bracelin 1931-2-22 145 Amador Jackson Rd, ca. 1 mi SE of Ione Comment
  SBBG60031  Arctostaphylos myrtifolia L. Rowntree 1930-8-24 Amador between Jackson and Ione Comment
  SBBG83954  Arctostaphylos myrtifolia J. Major, B. J. McCaskill, R. Gankin 1956-3-8 98 Amador 0.5 mi N of Mokelumne River behind high cliffs, across the river from Comanche Comment
  SBBG83980  Arctostaphylos myrtifolia G. L. Stebbins 1956-1-11 83 Amador 0.5 mi E from Ione-Buena Vista Rd, 1 mi N of Buena Vista Comment
  SBBG83981  Arctostaphylos myrtifolia R. Gankin 1956-1-11 79 -3 Amador W of clay mine-brick factory and 0.5 mi S of racetrack; near Ione Comment
  SDSU2811  Arctostaphylos myrtifolia D. F. Howe 1968-6-1 4542 Amador 0.5 mile southeast of Ione. 122 Comment
  SJSU1749  Arctostaphylos myrtifolia C. W. Sharsmith 1956-3-25 6314 Amador c. 2 mi W of Ione Comment
  UC1073280  Arctostaphylos myrtifolia George B. Rossbach 1955-5-22 386 Amador 1 mi n Buena Vista (near Ione) 91 Comment
  UC1221010  Arctostaphylos myrtifolia Beecher Crampton 1963-4-23 6730 Amador Buena Vista Rd 2.5 mi s Ione Comment
  UC1614526  Arctostaphylos myrtifolia Charles M. Belshaw 1936-2-29 1528 Amador 2 1/2 mi se of Ione 152 Comment
  UC549728  Arctostaphylos myrtifolia J. E. Adams 1934-3-31 783 Amador hills s Ione Comment
  UC549734  Arctostaphylos myrtifolia J. E. Adams 1933-10-1 535 Amador 2 mi s Ione Comment
  UC725925  Arctostaphylos myrtifolia A. A. Heller 1941-1-29 15858 Amador ridge just e Ione (along State Hwy 88) Comment
  UC82926  Arctostaphylos myrtifolia Katharine Brandegee April 1889 Amador Ione Comment
  UC82961  Arctostaphylos myrtifolia J. W. Congdon 1894-4-6 Amador between Ione and Buena Vista 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
  UCD52503  Arctostaphylos myrtifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-31 s.n. Amador Ione-Buena Vista Road. Comment
  UCD52505  Arctostaphylos myrtifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-26 s.n. Amador Carbondale-Ione. 80 Comment
  UCD52508  Arctostaphylos myrtifolia Roman Gankin 1956-1-11 80 Amador Near a garbage dump just to the SW 1/2 mi. of the race track; near Ione. 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
  UCD52580  Arctostaphylos myrtifolia Roman Gankin; W. R. Hildreth 1966-2-6 632 Amador On Jackson Valley Road; 1.1 miles southwest of State Highway 88. Comment
  UCD52583  Arctostaphylos myrtifolia Beecher Crampton 1954-8-3 2236 Amador Hwy. 88; 1 mile east of Ione. 91 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
  UCD52587  Arctostaphylos myrtifolia G. Ledyard Stebbins Jr.; Jack Major and Roman Gankin 1956-2-4 84 1 Amador West of clay mine-brick factory and between the factory and the Ione-Stockton highway; 1/2 mile south of the racetrack; near Ione. Comment
  UCD52591  Arctostaphylos myrtifolia Roman Gankin 1956-6-21 179 Amador 0.3 mile east from Ione-Buena Vista crossroad on Hwy. from Jackson to Stockton. Comment
  UCD52592  Arctostaphylos myrtifolia Roman Gankin 1957-3-22 217 Amador Just north of Filipini Ranch Rd.; about 2 miles east of Hwy. 49; Ione area. 504 Comment
  UCD52596  Arctostaphylos myrtifolia R. Collins; R. Woodward 1987-2-16 1152 Amador Werner Jasper Property. 73 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
  UCD52605  Arctostaphylos myrtifolia Roman Gankin 1956-2-4 88 Amador 1/2 mile north of Moelumne River behind high cliffs; cliffs located righr across the river from Comanche. 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
  UCD52608  Arctostaphylos myrtifolia Roman Gankin; Charles Lamoureux 1956-2-18 96 Amador Jct. of Buena Vista-Ione Road and highway 88; 1/8th mile east of this point; near Ione. 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
  UCR27230  Arctostaphylos myrtifolia E. C. Nord 1965-5-1 s.n. Amador Near Stanislaus Forest. Near Jackson 762 Comment
  UCSB21175  Arctostaphylos myrtifolia McMinn, H. 1938-4-10 Amador Near Ione; on way to Jackson Comment
  UCSB27346  Arctostaphylos myrtifolia Havlik, Neil 1969-8-24 Amador Along State Highway 88; near Ione 152 Comment
  UCSB4746  Arctostaphylos myrtifolia Muller, Cornelius 1956-6-18 Amador 2 miles south of Ione; between Stockton and Jackson Comment
  SEINET11984831  Arctostaphylos myrtifolia R. Gankin, Hildreth, W. R. 1966-1 Amador Comment
  SEINET11989281  Arctostaphylos myrtifolia Unknown 1956-1 Amador Comment
  CAS-BOT-BC40057  Arctostaphylos nevadensis Geo. Hansen 1896-11-30 1924 Amador Pedlar 1981 Comment
  UC1281166  Arctostaphylos patula H. E. McMinn 1933-9-4 3264 Amador about 19.6 mi from Plasse Resort (toward Jackson); Silver Lake Comment
  UC1602050  Arctostaphylos patula Katharine Brandegee Amador Wylees Comment
  UCD53273  Arctostaphylos patula subsp. gankinii A. E. Wieslander 1936-9-28 593 Amador Lumberyard Ranger Station. Comment
  UCD52577  Arctostaphylos viscida Roman Gankin 1955-10-16 76 Amador 1/2 mile east from the Ione-Buena Vista Rd.; one mile north of Buena Vista. Comment
  UCD52578  Arctostaphylos viscida Roman Gankin 1955-10-16 77 Amador Near clay pit 1/2 mile east from the Ione-Buena Vista Rd.; 1 mile north of Buena Vista. Comment
  UCR170562  Arctostaphylos viscida George K. Helmkamp, E. A. Helmkamp 2005-9-1 9836 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
  SEINET11989245  Arctostaphylos viscida Unknown 1956-1 82 Amador 0.5 mi E from Ione-Buena Vista Rd, 1 mi N of Buena Vista Comment
  SEINET11989246  Arctostaphylos viscida Unknown 1955-1 77 Amador 0.5 mi E from Ione-Buena Vista Rd, 1 mi N of Buena Vista Comment
  JEPS19900  Arctostaphylos viscida subsp. mariposa Katharine Brandegee June 1910 Amador Volcano Comment
  RSA130566  Arctostaphylos viscida subsp. mariposa P. H. Raven 1956-12-2 10521 Amador About 1 mile south-east of Fiddletown. 610 Comment
  UC1281107  Arctostaphylos viscida subsp. mariposa H. E. McMinn 1933-9-4 3270 Amador 32.9 mi from Plasse Resort (at Silver Lk.) (toward Jackson) Comment
  UCD52835  Arctostaphylos viscida subsp. mariposa Jack Maze 1964-3-12 26 a Amador State Highway 88, 2 miles west of Jackson, Amador County, California. 457 Comment
  UCR198030  Arctostaphylos viscida subsp. mariposa Stacey Bianco 1994-5-21 20 Amador Sierra Nevada Mtns., off Hwy 88, c. 3 mi southwest of Pine Grove Cemetery, at 15365 Fawn Court, off Buckhorn Road 768 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-BC45349  Arctostaphylos viscida subsp. viscida J. E. Adams 1934-3-31 782 Amador Ione Comment
  CAS-BOT-BC45350  Arctostaphylos viscida subsp. viscida John Thomas Howell 1931-2-22 5732 Amador Ione Comment
  CAS-BOT-BC48278  Arctostaphylos viscida subsp. viscida Alice Eastwood 1921-3-18 10063 Amador Ione Comment
  RSA252246  Arctostaphylos viscida subsp. viscida Gary D. Wallace 1974-12-21 1338 Amador Near Ione at jct. of Hwy. 88 and Comanche Pkwy. 61 Comment
  RSA636974  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-14 25038 Amador Irish Hill Road, 3 km north of Highway 104, west of I-one. 70 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
  RSA636984  Arctostaphylos viscida subsp. viscida Jon E. Keeley 1993-9-14 25039 Amador Irish Hill Road, 3 km north of Highway 104, west of I-one. 70 Comment
  UC196619  Arctostaphylos viscida subsp. viscida C. C. Parry April 1888 Amador Ione Comment
  UC21915  Arctostaphylos viscida subsp. viscida Geo. Hansen 1891-1 Amador Drytown Comment
  UC532179  Arctostaphylos viscida subsp. viscida Herbert F. Copeland 1935-3-24 Amador near Ione Comment
  UC549616  Arctostaphylos viscida subsp. viscida J. E. Adams 1934-3-31 780 Amador Ione Comment
  UC549714  Arctostaphylos viscida subsp. viscida J. E. Adams 1934-3-31 777 Amador Ione Comment
  UC571237  Arctostaphylos viscida subsp. viscida H. L. Mason 1928-5-3 4466 Amador one mi s Ione (type loc.) Comment
  RSA302200  Arnica longifolia subsp. myriadenia J. R. Shevock 1972-7-23 2176 Amador Hwy 88 near Capels Lake 2287 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
  UCD129199  Arnica mollis T. I. Storer 1938-8-11 s.n. Amador 2 miles south of Carson Spur. 2651 Comment
  JEPS15693  Arnica nevadensis G. Thomas Robbins 1956-9-10 3764 Amador 1/2 mi s Kirkwood Lake 2346 Comment
  UC37395  Arrhenatherum elatius Geo. Hansen 1896-6-17 1737 Amador Sequoia Region, Agriculture Station Agriculture Station; Sequoia Region, Agriculture Station 609 Comment
  SEINET10788006  Arrhenatherum elatius George Hansen 1896-11-17 Hansen 1737 Amador New York Falls 457 Comment
  CAS-BOT-BC90109  Artemisia arbuscula subsp. arbuscula G. Hansen 1993-10-1 s.n. Amador Silver Lake 2438 Comment
  CAS-BOT-BC90110  Artemisia arbuscula subsp. arbuscula W. B. Duncan 1927-8-1 s.n. Amador vicinity of Silver Lake Comment
  POM289342A  Artemisia douglasiana Lyman Benson 1931-8-26 s.n. Amador Silver lake, Sierra Nevada 2287 Comment
  UC1119527  Artemisia ludoviciana subsp. incompta A. D. Gifford 1934-9-20 363 Amador 1 1/2 mi se Plasse; Eldorado National Forest, Pyramid Peak Quadrangle Comment
  POM288965  Artemisia ludoviciana subsp. incompta Lyman Benson 1931-8-24 2859 Amador Silver Lake, Sierra Nevada Mtn range. 2287 Comment
  CDA14786  Artemisia tridentata subsp. tridentata G. D. Barbe, J. T. Howell, T. C. Fuller 1981-8-1 3401 Amador About small lake on south side of Highway 88 just west of Carson Spur, 1 mile west of road to Lake Kirkwood. 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
  SD40717  Asarum hartwegii Carl B. Wolf 1933-5-24 4918 Amador West Slope Sierra Nevada, 4.8 miles above Pine Grove on Carson pass Highway 854 Comment
  RSA7286  Asarum hartwegii C. B. Wolf 1933-7-1 1871 Amador 4.7 mi above Pine Grove on the Carson Pass Highway 854 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
  SEINET10580336  Asclepias cordifolia George Hansen Hansen 28 Amador Agrc. Station 610 Comment
  SEINET6833674  Asclepias cordifolia E. Mulliken 1904-1 107 Amador Caminetti Ranch, near Jackson, Sierra Nevada Mountains. 488 Comment
  UCSB13187  Asclepias cordifolia 1962-6-14 Amador Along State Highway 88, 8 miles east of Pine Grove; Sierra Nevada Comment
  SEINET3282762 Image available Asclepias fascicularis George K. Helmkamp, E. A. Helmkamp 2009-8-24 15529 Amador Northern San Joaquin Valley; Lambert Road, 1.6 miles west of its junction with Carbondale Road. 99 Comment
  SEINET3856786 Image available Asclepias fascicularis George K. Helmkamp, E. A. Helmkamp 2010-10-1 16993 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 11. mils SW of its junction with Hale Road, 2.5 mi NW of Volcano 692 Comment
  UCR201771  Asclepias fascicularis George K. Helmkamp, E. A. Helmkamp 2008-9-28 14163 Amador Foothills, northern Sierra Nevada Mountains, Sutter Creek Rancho Road on the north side of CA-88 and 4.2 miles southwest of the junction of CA-88 and CA-49 287 Comment
  UCR209579  Asclepias fascicularis George K. Helmkamp, E. A. Helmkamp 2009-8-24 15529 Amador Northern San Joaquin Valley, Lambert Road, 1.6 miles west of its junction with Carbondale Road 99 Comment
  CDA15395  Asclepias vestita G. F. Hrusa, J. Hart, M. Tu 1997-4-26 13684 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
  SEINET7121620  Asclepias vestita E. Braunton 1031 Amador Vicinity of Ione 61 Comment
  UC1063750  Aspidotis densa A. D. Gifford 1934-9-8 352 Amador 1/2 mi e Bear River Reservoir (Plot <22 ?>); E. Dorado Nat'l Forest, Pyramid Peak Quadrangle Comment
  CDA14781  Aster integrifolius G. D. Barbe, J. T. Howell, T. C. Fuller 1981-8-1 3388 Amador south base of Peddler Hill, Highway 88 0.5 mile east of junction with road to Dufrene. 2084 Comment
  SEINET2033538 Image available Aster integrifolius George K. Helmkamp 2008-1 Amador Northern Sierra Nevada Mountains, north side of CA-88, 0.2 mile northeast of Silver Lake Comment
  UCR257204  Aster occidentalis var. occidentalis George K. Helmkamp, Elizabeth Helmkamp 2013-9-7 22277 A Amador Northern Sierra Nevada Mountains, Tragedy Spring Road, 0.17 mi. above junction with Hwy 88/Carson Pass Rd., at the entrance path to the spring 2425 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
  POM45130  Astragalus congdonii Geo. Hansen 1893-8-4 344 Amador Fishers Cabin. 366 Comment
  CAS-BOT-BC186720  Astragalus gambelianus Geo. Hansen 1892-4-1 342 Amador Jackson 396 Comment
  RSA488196  Astragalus gambelianus Katherine Curran 1886-5-23 s.n. Amador Amador Comment
  SDSU7640  Astragalus whitneyi Helen L. Dale 1929-7-29 Amador Summit of Carson Spur 2835 Comment
  CAS-BOT-BC198721  Astragalus whitneyi var. whitneyi W. B. Duncan 1927-7-1 s.n. Amador Vicinity of silver Lake 2743 Comment
  UC733674  Astragalus whitneyi var. whitneyi H. E. McMinn 1932-7-27 2907 Amador Needles Eye , Needles Eye (Silver Lake) 2743 Comment
  UCR191128  Athyrium alpestre var. americanum George K. Helmkamp, E. A. Helmkamp 2007-8-16 12766 Amador Northern Sierra Nevada Mountains, along the south side of Bear River Reservoir just east of the spillway 1777 Comment
  UCR205159  Atriplex canescens subsp. canescens George K. Helmkamp, E. A. Helmkamp 2008-10-30 14303 Amador Northern Sierra Nevada Mountains Foothills, along CA-49, 0.2 mile south of Plymouth 314 Comment
  UCR219001  Atriplex canescens subsp. canescens George K. Helmkamp, E. A. Helmkamp 2009-10-11 15678 Amador Sierra Nevada Mountains Foothills, along Hwy CA-49, 1.0 mile south of Plymouth, 1.3 mi. north of Drytown 303 Comment
  CAS-BOT-BC146207  Avena barbata John Thomas Howell 1954-5-18 s.n. Amador Sierra Nevada. Near Ione. Comment
  UC37421  Avena barbata Geo. Hansen 1896-6-10 1734 Amador Agrc. Station Sequoia Region 609 Comment
  UC65561  Baccharis glutinosa Ernest Braunton 1904-7-1 1135 Amador vicinity of Ione 60 Comment
  JEPS19473  Baccharis pilularis Rimo Bacigalupi with Roman Gankin, Otto Solbrig and Dr. H. Baker 1957-12-27 6107 Amador 1 mi n, (at jct of new State Hwy (e-w straight-way) 88 to Jackson & county rd Buena Vista 106 Comment
  RSA123015  Baccharis pilularis D. Axelrod 1934-11-21 58 Amador 2 miles east and 0.5 mile north of Buena Vista 183 Comment
  UC1211933  Baccharis pilularis Otto T. Solbrig 1957-12-27 2433 Amador one mi n, and 1/4 mi e of Highway Buena Vista (growing in Kaolin pit) Comment
  UC118100  Berberis aquifolium var. dictyota Geo. Hansen 1893-4-7 219 Amador Mt Zion 914 Comment
  UC9771  Berberis aquifolium var. dictyota Geo. Hansen 1892-1 Amador Comment
  CAS-BOT-BC75767  Berberis pinnata John Thomas Howell 1969-4-22 45540 Amador Sierra Nevada. Volcano. 609 Comment
  CAS-BOT-BC412935  Bistorta bistortoides W. Bryan Duncan 1927-8-1 s.n. Amador Vicinity of Silver Lake 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
  JEPS18807  Blennosperma nanum var. nanum W. L. Jepson 1929-4-29 15252 Amador Willow Spring Comment
  SEINET9312264  Blennosperma nanum var. nanum Unknown 2007-3-17 11637 Amador Sacramento Valley/Sierra Nevada Foothills: along Ca-49, 0.3 mi S of Plymouth (Amador City). Open grazing grassland. Comment
  UCD129587  Blennosperma nanum var. nanum G. K. Helmkamp; E. A. Helmkamp 2007-3-17 11637 Amador Sacramento Valley/Sierra Nevada Foothills: Hwy. CA-49, 0.3 mile south of Plymouth. 335 Comment
  UCR250282  Blennosperma nanum var. nanum George K. Helmkamp 2013-3-14 20172 Amador Central Sierra Nevada Foothills, S edge of city of Plymouth; along CA-49, 1.1 miles southwest of its junction with Fiddletown Road 319 Comment
  RSA0070100  Blepharipappus scaber George K. Helmkamp, Amy Barnes 2014-5-8 22838 Amador Tonzi Road, 0.4 mile east of its junction with CA-124, 4.5 air miles NE (35 deg ) of Ione. 188 Comment
  UCR256485  Blepharipappus scaber George K. Helmkamp, Amy Barnes 2014-5-8 22838 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
  UC118051  Boechera platysperma Geo. Hansen 1893-7-1 567 Amador Silver Lake Sequoia Region 2438 Comment
  CAS-BOT-BC14299  Boechera platysperma Gwendolan Newell 1929-8-24 s.n. Amador Above Silver Lake. Summit Emigrant Trail. 2438 Comment
  POM46058  Boisduvalia densiflora Geo. Hansen 1896-7-28 1475 Amador Sequoia gigantea region: Pioneer 1067 Comment
  UCD136844  Botrychium multifidum Dennis Wm. Stevenson 1974-10-27 413 Amador Silver Lake, near Kit Carson Lodge. 2185 Comment
  CAS-BOT-BC145685  Brachypodium distachyon Leland Brown 1963-6-18 s.n. Amador Old University of California Experiment Station, ca. 5 miles northeast of Jackson. 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
  SEINET3921346  Brachypodium distachyon Beecher Crampton 1957-5-28 4057 Amador Old University of California Foothill Experiment Station 5.3 miles northeast of Jackson.; 0 Comment
  UCD146590  Brachypodium distachyon G. F. Hrusa; J. Hart 1996-5-9 12921 Amador Cosumnes Blue Oak Habitat. Howard Ranch. Hills S of Twin Cities Rd. (Hwy.104). 85 Comment
  UCR179568  Brassica geniculata George K. Helmkamp, E. A. Helmkamp 2006-10-6 11463 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 near Enterprise, 1.8 miles south of El Dorado Co. line 274 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
  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
  UC65426  Brickellia californica Ernest Braunton Aug 1904 1183 Amador vicinity of Ione 60 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
  UC1614162  Briza minor Charles M. Belshaw 1935-5-30 863 Amador Vicinity of Jackson Sierra Nevada foothills (w slope of foothills) Comment
  SEINET10962545  Brodiaea George Hansen Hansen 592 Amador Aricultural Station. 2000 feet. Comment
  JEPS7691  Brodiaea appendiculata W. L. Jepson 1923-5-30 9965 Amador Buena Vista Comment
  CAS-BOT-BC482171  Brodiaea appendiculata W. L. Jepson 1923-5-30 9957 Amador At the road-forks just north of the Mokelumne River Bridge, north of Camanche (Calaveras County). [This site is now drowned by Camanche Reservoir] Comment
  SEINET3885137  Brodiaea appendiculata R. Collins, R. Woodward 1987-5-6 1249 Amador About 8 mi. NW of Ione, off Carbondale Rd, ca 1 mi E of Sacramento Co. border.; 0 70 Comment
  UCD139101  Brodiaea appendiculata R. N. Raynor 1938-5-5 s.n. Amador 5 miles north of Ione. Comment
  SEINET8466107 Image available Brodiaea californica Tom Hensel, E. Lehto 1974-5-22 H 308 Amador 1.5 NW of Volcano (town) - on a private ranch 610 Comment
  RSA785399  Brodiaea elegans subsp. elegans George K. Helmkamp, E. A. Helmkamp 2010-6-23 16365 Amador Rams Horn Grade, 1.8 rd. miles northeast of Volcano at the junction with Sutter Creek Road 730 Comment
  CAS-BOT-BC457073  Brodiaea elegans subsp. elegans D. E. Breedlove; M. Bourell; R. Patterson 1986-6-5 62624 Amador 12 miles east of Fiddletown Comment
  UC768602  Brodiaea nana R. F. Hoover 1940-5-19 4394 Amador 3 mi w Ione Comment
  SBBG22665  Bromus carinatus M. S. Walters 1962-1 Amador St Hwy 88, 3.2 mi E of Silver Lake Comment
  UCD58289  Bromus carinatus A. A. Beetle 1942-7-27 3750 Amador El Dorado National Forest. Mud Springs. 15 miles west of Silver Lake. 1828 Comment
  UC76888  Bromus carinatus var. carinatus Geo. Hansen 1893-1 624 Amador California Comment
  CAS-BOT-BC156000  Bromus diandrus Geo. Hansen 1893-5-1 598 Amador Sequoia Regino. New York Falls. Agricultural Station. 609 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
  UCR257563  Bromus diandrus George K. Helmkamp, Elizabeth Helmkamp 2014-2-20 22518 Amador Sierra Nevada Mountains Foothills, Plymouth; junction of Mill St. and Mineral St. 329 Comment
  SEINET10517952  Bromus diandrus George Hansen 1893-1 Hansen 598 Amador New York Falls. 610 Comment
  JEPS34373  Bromus hordeaceus Rimo Bacigalupi and L. R. Heckard 1963-5-13 8851 a Amador 1/3 mi e of Willow Springs School (along Cal. Highway 16, at crossing of a tributary of Willow Creek, 0.5 mi w of junction with hwy 104 (formerly Waits Station)); Willow Creek 195 Comment
  UCD58813  Bromus hordeaceus John B. Grohl Jr. 1952-5-4 s.n. Amador Jackson. Comment
  CDA17028  Bromus laevipes G. F. Hrusa, J. Glazner 2003-7-22 16102 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  UCR240926  Bromus laevipes George K. Helmkamp, E. A. Helmkamp 2012-6-26 19274 A 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
  UCD59020  Bromus madritensis A. A. Beetle 1946-5-11 4253 Amador Amador-Sacramento Co. line. Highway 19. Comment
  UCD59027  Bromus madritensis Beecher Crampton 1966-5-3 7696 Amador Ca. 9.5 miles SE of Ione. Site of Lancha Plana. Comment
  SD234019  Bromus mollis Virginia Pinkus Ryder 1964-5-9 172 Amador Kennedy Mine near Jackson. 338 Comment
  UC37688  Bromus orcuttianus Geo. Hansen 1896-7-13 1835 Amador Sequoia Gigantea Region, Pioneer Pioneer; Sequoia Gigantea Region, Pioneer 1066 Comment
  CAS-BOT-BC161942  Bromus rubens John Thomas Howell 1954-5-18 s.n. Amador Sierra Nevada. Hills southeast of Ione. Comment
  UCD112594  Bromus rubens Christopher Mallek 2008-4-30 RP2- 13 Amador River Pines. 688 Comment
  SEINET2473471 Image available Bromus sterilis George K. Helmkamp, E. A. Helmkamp 2010-1 16349 Amador Sierra Nevada Mountains Foothills; Sutter Creek Road, 9.5 miles northeast of its junction with old CA-49 in Sutter Creek village Comment
  SEINET3821904 Image available Bromus suksdorfii George K. Helmkamp, E. A. Helmkamp 2012-7-14 19421 Amador Northern Sierra Nevada Mountains, Tragedy Spring, near Canyon Pass Hwy, along Tragedy Spring Road 0.3 mi east of its junction with CA-88 (Tragedy Spring 7.5' Q) 2420 Comment
  JEPS29818  Calandrinia ciliata Rimo Bacigalupi and L. R. Heckard 1962-5-31 8562 Amador at hill summit on road between Ione and Waits Station (Calif. 104) 6.5 mi n Ione 213 Comment
  SEINET9097866  Calandrinia ciliata var. menziesii H. R. Holbo 1961-3-31 s.n. Amador Horse Creek. 183 Comment
  CAS-BOT-BC487502  Calochortus albus Earle Mulliken 1904-6-1 102 Amador Caminetti Ranch, near Jackson 487 Comment
  CDA39301  Calochortus albus R. Cooper 1963-5-7 s.n. Amador Old U.C. Experimental Station property, Jackson area. 0 Comment
  RSA169947  Calochortus albus Earle Mulliken 1904-6-1 102 Amador Caminetti Ranch, near Jackson. 488 Comment
  SEINET8194197  Calochortus albus E. Mulliken 1904-1 102 Amador Caminetti Ranch, neaer Jaackson. 488 Comment
  SEINET4984551  Calochortus coeruleus Unknown 1995-6-22 09 Amador just E of Hams Station on highway 88; on S side of road Comment
  CAS-BOT-BC487797  Calochortus coeruleus D. E. Breedlove 1962-6-14 3638 Amador Along State Highway 88, 23 miles east of Pine Grove; Sierra Nevada 1645 Comment
  SEINET5201059  Calochortus minimus Unknown 1995-6-22 10 Amador just E of Hams Station on highway 88; on S side of road Comment
  RSA6971  Calochortus minimus Carl B. Wolf 1933-5-24 4912 Amador 11.5 miles E of Pine Grove on Carson Pass Hwy 1220 Comment
  CAS-BOT-BC492589  Calochortus monophyllus M. K. C. 1886-5-1 s.n. Amador Along State Hwy 88, 8.8 miles east of Pine Grove; Sierra Nevada 1036 Comment
  CAS-BOT-BC492593  Calochortus monophyllus Geo. Hansen 1893-1-1 s.n. Amador New York Fall Comment
  UC733504  Calochortus nudus R. P. Allen 1936-6-7 781 Amador 1432 Comment
  UC843682  Calochortus nudus Carl B. Wolf 1933-5-24 Amador 11.5 mi e Pine Grove (on Carson Pass Highway, w slope of Sierra Nevada); Sierra Nevada 1219 Comment
  CAS-BOT-BC493337  Calochortus superbus C. A. Gross 1903-6-6 228 Amador Near Plymouth Comment
  CAS-BOT-BC493339  Calochortus superbus Geo. Hansen 1893-7-1 1249 Amador Antelope Comment
  UCR198502  Calochortus venustus George K. Helmkamp, E. A. Helmkamp 2008-5-4 13398 Amador Sierra Nevada Mountains Foothills, along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir 774 Comment
  CAS-BOT-BC493983  Calochortus venustus Evelina Cannon 1892-7-1 s.n. Amador No location givien Comment
  SEINET3885381  Calochortus venustus D. W. McNeal 1988-5-28 3263 Amador Dry clay soil on a rd. bank above the cutoff between Pioneer and the West Point rd., 0.6 mi. s. of Hwy. #88.; 0 Comment
  SEINET7042531  Calochortus venustus 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
  UCSB16662  Calochortus venustus Breedlove, Dennis 1962-6-14 Amador Along State Highway 88, 8.8 miles east of Pine Grove, Sierra Nevada 1036 Comment
  CAS-BOT-BC175753  Caltha leptosepala Gwendolan Newell 1929-8-24 s.n. Amador Summit, Emigrant Trail, Silver Lake 2438 Comment
  CAS-BOT-BC270046  Calycadenia multiglandulosa Geo. Hansen 1893-8-1 127 Amador Agrc. Station 609 Comment
  JEPS101293  Calycadenia multiglandulosa Dean W. Taylor 1991-6-15 11932 Amador Chrome Mountain, on lower slopes of Condor Gulch arm of Pardee Reservior 265 Comment
  JEPS20222  Calycadenia multiglandulosa R. F. Hoover 1938-7-30 3705 Amador 4 mi sw of Ione Comment
  UC1119098  Calycadenia multiglandulosa C. M. Belshaw 1936-7-10 2449 A Amador 3/4 mi sw of Clinton; Jackson Quadrangle 640 Comment
  UC87344  Calycadenia multiglandulosa Katharine Brandegee 1910-6-1 Amador 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-BC270036  Calycadenia multiglandulosa R. F. Hoover 1938-7-30 3705 Amador 4 miles SW of Ione Comment
  CAS-BOT-BC270042  Calycadenia multiglandulosa H. M. Hall 1930-8-9 12856 Amador Between Ione and Buena Vista Comment
  UC180102  Calycadenia multiglandulosa Geo. Hansen 1892-8-1 127 Amador Agricultual Station 609 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
  RSA255496  Calycadenia multiglandulosa subsp. bicolor Gerald D. Carr 1971-9-24 675 Amador 0.7 miles north of Camanche Parkway on Buena Vista Indian Reservation Road 168 Comment
  CAS-BOT-BC270872  Calycadenia spicata R. F. Hoover 1938-7-30 3708 Amador 3 miles W of Ione Comment
  CAS-BOT-BC275425  Calycadenia truncata var. truncata Clarence R. Quick 1954-9-22 54 -84 Amador Lavacap ridgetop, Panther Ridge road, NE of Jackson Comment
  CAS-BOT-BC7138  Camissonia hirtella George Hansen 1892-7-1 543 Amador Drytown 152 Comment
  UC107657  Camissoniopsis hirtella Geo. Hansen 1892-6-1 543 Amador Drytown Sequoia Region 1524 Comment
  UC168511  Camissoniopsis hirtella Katharine Brandegee Amador Ione Comment
  CAS-BOT-BC37362  Cardamine californica Geo. Hansen 1892-3-1 578 Amador New York Falls. 609 Comment
  SEINET3238897 Image available Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 2008-3-12 13147 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
  UCR170971  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 2006-3-19 10096 Amador Northern Sierra Nevada Foothills, Along Calif. Highway 49 south of Plymouth 323 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
  UCR198456  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 2008-3-12 13147 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
  UC1126890  Cardamine oligosperma C. M. Belshaw 1936-7-12 2468 Amador Tiger Creek .7 mi nw Blakeley; Big Trees Quad., Tiger Creek Comment
  CAS-BOT-BC37864  Cardamine oligosperma Geo. Hansen 1891-3-1 94 Amador Sequoia Region. Middle Fork. 396 Comment
  UCR230634  Carduus pycnocephalus George K. Helmkamp, E. A. Helmkamp 2011-5-10 17241 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
  SEINET3909266  Carex amplectens George K. Helmkamp, E. A. Helmkamp 2008-6-23 13744 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.; 0 2021 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-BC18013  Carex athrostachya Richard Yeo 1971-7-20 s.n. Amador Sierra Nevada. Margin of Bear River Reservori, ca. 3 miles southeast Paddler Hill. 1767 Comment
  CAS-BOT-BC19197  Carex barbarae Ernest Braunton 1904-7-1 1093 Amador Ione. Mule Creek. 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
  CAS-BOT-BC34946  Carex densa Peter H. Raven 1953-5-10 5510 Amador 0.4 miles north of Plymouth on road to Placerville. Comment
  UCR173766  Carex deweyana subsp. leptopoda George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10322 Amador Northern Sierra Nevada foothills, Climax Road southwest of Pine Grove, 0.1 mile west of Calif. Hwy 88 701 Comment
  UCR246640  Carex deweyana subsp. leptopoda George K. Helmkamp, E. A. Helmkamp 2012-6-6 19149 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
  CDA15393  Carex feta G. F. Hrusa, J. Hart 1997-4-21 13682 Amador Central Valley; Uncommon, clumping perennial in wet drainage off Jackson Valley Rd. ~ 1 km. S of Cook Rd. intersection. Region a mostly-cleared Quercus lobata woodland. Comment
  CAS-BOT-BC19971  Carex feta John Thomas Howell 1954-5-18 29779 Amador Sierra Nevada. 4.5 miles west of Martell. Comment
  UCD140323  Carex filifolia var. erostrata Susan Horner 1976-6-10 30 Amador Carson Spur on Highway 88, Silver Lake, 1/4 mile south of Highway 88 on trail to Frog Lake. Comment
  CHSC99418  Carex fracta Robert F. C. Naczi 2006-8-6 11527 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
  SEINET7559364 Image available Carex fracta Andrew L. Hipp, Glen C. Clifton 1999-7-10 666 Amador On N side of State Hwy 88, W of Lower Bear R Reservoir and ca 1 mi E of Upper Mud Spring ca 3/4 mi W of intersection w/ Ellis Rd. 1920 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
  CAS-BOT-BC31227  Carex lenticularis var. impressa William Henry Brewer 1863-8-15 2099 Amador Shore of Silver Lake. 2225 Comment
  CHSC99423  Carex multicostata Robert F. C. Naczi 2006-8-6 11508 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. 2151 Comment
  UC1149  Carex nudata Geo. Hansen 1892-1 641 Amador near Jackson Comment
  CDA33147  Carex senta T. C. Fuller 1961-10-4 Amador Jackson; southeast corner of Hoffman St. and Sierra Dr. , Jackson Munic. Water Dist. 0 Comment
  UCD140889  Carex stipata var. stipata Robert E. Plaister 1957-8-1 s.n. Amador exact location unknown. 2133 Comment
  SEINET10750079  Carex subfusca George Hansen Hansen 639 Amador New York Falls. 610 Comment
  CDA17014  Carex whitneyi G. F. Hrusa, J. Glazner 2003-7-22 16093 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  SEINET7580519 Image available 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, near small stream ESE of its crossing by route 88. 2156 Comment
  RSA466936B  Cassiope mertensiana subsp. californica H. E. McMinn 1933-7-10 3159 Amador Near Center Peak, Silver Lake. 2744 Comment
  JEPS34378  Castilleja Rimo Bacigalupi, and L. R. Heckard 1963-5-13 8854 Amador 1.7 mi ne Volcano (on grade leading down Daffodil Hill); Daffodil Hill 731 Comment
  UCD110492  Castilleja Christopher Mallek 2008-1 RP2- 15 Amador River Pines. 688 Comment
  CAS-BOT-BC249105  Castilleja affinis Geo. Hansen 1896-5-15 1656 Amador Clinton 609 Comment
  CAS-BOT-BC249575  Castilleja applegatei subsp. pinetorum Geo. Hansen 1892-7-1 459 Amador Deer Creek 1219 Comment
  JEPS86179  Castilleja applegatei subsp. pinetorum L. R. Heckard 1988-4-3 6673 Amador ca 1.5 mi se Daffodil Hill (on Rams Horn Rd from Volcano) 800 Comment
  UC673462  Castilleja attenuata H. L. Mason 1928-5-3 4459 Amador w of Ione (Jackson Creek Bridge) Comment
  UC27150  Castilleja attenuata Geo. Hansen 1891-1 Amador Comment
  UCD122334  Castilleja attenuata Kim E. Steiner 1979-5-4 299 Amador Hale Road, 0.3 mi. N of south fork of Dry Creek. 536 Comment
  SEINET3451373  Castilleja densiflora A. G. Vestal 1963-5-28 Amador East of Jackson, East of Jackson, shoulder along route 88, 2.3 miles east of route 49, Mokelumne Hill Quadrangle (topo map) Comment
  HSC20892  Castilleja exserta subsp. exserta Eugene Andreuccetti 1964-4-25 23 Amador Shanondoah Valley, 2 mi. E of Plymoth on River Pine Rd. Comment
  UC65891  Castilleja foliolosa Ernest Braunton Jun 1904 1027 Amador vicinity Ione 60 Comment
  UCD80769  Castilleja foliolosa CNPS SN Foothill Team 2006-5-31 SNNR 0755 b Amador BLM Parcel. 605 Comment
  JEPS77546  Castilleja lineariloba T. I. Chuang with Fei-Mei Chuang 1978-5-23 7702 Amador 4 mi se Jackson Comment
  UCD122991  Castilleja miniata T. E. Weier 1940-7-25 s.n. Amador 2 miles south of Carson Spur. 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
  SEINET7072512  Castilleja rubicundula 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
  UC577663  Castilleja subinclusa G. T. Nordstrom 1936-4-24 744 Amador 0.7 mi se Bisbee Peak (nw of Plymouth); Jackson Quad. 243 Comment
  JEPS15133  Castilleja tenuis B. Schreiber 1937-6-13 2410 Amador near Buckhorn; Jackson Quad. 1066 Comment
  UCD123063  Castilleja tenuis G. K. Helmkamp; E. A. Helmkamp 2007-7-17 12521 Amador Northern Sierra Nevada Mountains: along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake. 2316 Comment
  SEINET1908479  Ceanothus cordulatus G. K. Helmkamp, E. A. Helmkamp 2008-1 13636 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. 1606 Comment
  UC18256  Ceanothus cordulatus Geo. Hansen 1891-1 Amador Panther Creek Comment
  UCR196828  Ceanothus cordulatus George K. Helmkamp 2008-6-17 13670 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UCR197650  Ceanothus cordulatus George K. Helmkamp, E. A. Helmkamp 2008-6-9 13636 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
  UCD112103  Ceanothus cuneatus var. cuneatus G. K. Helmkamp; E. A. Helmkamp 2007-3-17 11643 Amador eastern Sacramento Valley; Buena Vista Road, 0.3 mile north of Buena Vista. 104 Comment
  UCD112112  Ceanothus cuneatus var. cuneatus Kim E. Steiner 1979-5-4 297 Amador Shake Ridge Road. 0.9 mile east of Fiddletown. 975 Comment
  CAS-BOT-BC64385  Ceanothus diversifolius H. E. McMinn 1926-5-30 1713 S Amador 23 mi. e. of Jackson. Road to Kit Carson Pass. 1371 Comment
  CAS-BOT-BC64386  Ceanothus diversifolius H. E. McMinn 1926-5-30 1713 W Amador 23 mi. e. of Jackson. Road to Kit Carson Pass. 1371 Comment
  CAS-BOT-BC64387  Ceanothus diversifolius H. E. McMinn 1926-5-30 1713 T Amador 23 mi. e. of Jackson. Road to Kit Carson Pass. 1371 Comment
  CAS-BOT-BC64390  Ceanothus diversifolius Kath. Brandegee 1910-6-1 s.n. Amador Cooks station (Wylies). Comment
  UCD111960  Ceanothus integerrimus B. Crampton 1953-7-30 1550 Amador Hwy 88, Ham's Station. 1661 Comment
  UCD111961  Ceanothus integerrimus B. Crampton 1953-7-30 1550 Amador Hwy 88, Ham's Station. 1661 Comment
  UCR198486  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2008-5-4 13389 Amador Sierra Nevada Mountains Foothills, along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir 774 Comment
  UCR233253  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2011-8-6 17981 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  CAS-BOT-BC51134  Ceanothus lemmonii Rimo Bacigalupi; G. T. Robbins 1955-5-6 5054 Amador Along road between Latrobe and Shingle Springs, 1.1 mile South of Shingle Springs 426 Comment
  JEPS13002  Ceanothus lemmonii Rimo Bacigalupi with G. T. Robbins 1955-5-6 5054 Amador 1.1 mi S of Shingle Springs (along road between latrobe and Shingle Springs) 426 Comment
  RSA122440  Ceanothus palmeri G. T. Nordstrom 1936-4-18 14708 Amador 1.25 mi S.W. of Bisbee Pk. 213 Comment
  CAS-BOT-BC51996  Ceanothus prostratus Geo. Hansen 1895-7-1 59 Amador Antelope 1219 Comment
  UC423091  Ceanothus prostratus Katharine Brandegee 1910-6-26 Amador Cook's Station (Wylie's) Comment
  POM85239  Ceanothus tomentosus Geo. Hansen 1894-1-1 804 Amador Ione 91 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
  UC191347  Ceanothus tomentosus C. C. Parry April 1888 Amador Ione Comment
  UC634810  Ceanothus tomentosus H. L. Mason 1928-5-3 4467 Amador hills one mi s Ione; s of Ione Comment
  UC80075  Ceanothus tomentosus Geo. Hansen May 1893 805 Amador Ione Sequoia Region, Ione 91 Comment
  CAS-BOT-BC52379  Ceanothus tomentosus var. tomentosus T. S. Brandegee 1886-5-1 35 Amador Ione Comment
  CAS-BOT-BC52380  Ceanothus tomentosus var. tomentosus Geo. Hansen 1893-5-1 805 Amador Ione 91 Comment
  CAS-BOT-BC52388  Ceanothus tomentosus var. tomentosus Beth F. Allen 1941-3-22 s.n. Amador Baker Ranch, 5 miles northwest of Ione, Arroyo Seco Grant Comment
  CAS-BOT-BC52391  Ceanothus tomentosus var. tomentosus Alice Eastwood 1921-3-18 10067 Amador Ione Comment
  CAS-BOT-BC52392  Ceanothus tomentosus var. tomentosus C. Hart Merriam 1907-8-21 s.n. Amador Ione Comment
  SBBG115541  Ceanothus tomentosus var. tomentosus B. Crampton 1963-4-23 6729 Amador 2.5 mi S of Buena Vista Rd Comment
  UC1119128  Centaurea melitensis G. T. Nordstrom 1936-6-2 819 Amador 4.3 mi nw of Volcano; Jackson Quadrangle 670 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
  CAS-BOT-BC272090  Centaurea melitensis Geo. Hansen 1892-1-1 941 Amador Agric Station 609 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
  UCR253200  Centaurea solstitialis George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22134 Amador Sierra Nevada Mountains Foothills, city of Sutter Creek at the junction of Hanford St. and Spanish St. 384 Comment
  UCR182152  Centaurium muehlenbergii George K. Helmkamp, E. A. Helmkamp 2006-10-23 11564 Amador Central Valley/ Northern Sierra Nevada Foothills, along Calif. Hwy 16, 0.2 mile east of Waits Station, southwest of Plymouth 305 Comment
  CDA17152  Centaurium tenuiflorum G. F. Hrusa, J. Glazner 2001-6-7 15866 Amador Ione Region; Sutter Ione Rd. 0.6 mi. E of Hwy 124 and +/- 3-4 mi. N of Ione. 213 Comment
  UCD121505  Centaurium tenuiflorum G. K. Helmkamp; E. A. Helmkamp 2007-8-26 12817 Amador Northern Sierra Nevada Mountains Foothills: along Hwy CA-49 at the south end of Plymouth. 323 Comment
  JEPS113354  Centaurium tenuiflorum J. Greenhouse with John Game 2002-7-28 5116 Amador Vicinity of Ione Comment
  UC1123402  Centaurium venustum P. L. Johannsen 1937-7-22 1266 Amador 2.5 mi ene Amador; Jackson Quad. 365 Comment
  CAS-BOT-BC288520  Centromadia fitchii Ernest Braunton 1904-6-1 1053 Amador Grounds of Preston School Comment
  UC65563  Centromadia fitchii Ernest Braunton 1904-6-1 1053 Amador vicinity of Ione 60 Comment
  SBBG34594  Cerastium fontanum T. L. Secrest 1950-8-17 Amador Silver Lake Comment
  UC1125808  Cerastium glomeratum R. D. Roseberry 1935-4-16 26 Amador 1 1/2 mi. n.w. Ione; Jackson Quad. 91 Comment
  SEINET7072679  Chaenactis glabriuscula var. glabriuscula A. G. Vestal 1963-5-5 s.n. Amador Serpentine along Little Indian Creek, about 3.7 miles west of Plymouth. UTM Zone 10, 682518mE, 4261592mN. Coordinate datum: NAD 27. Comment
  UC481565  Chamaebatia foliolosa G. W. Fetters 1929-5-5 135 Amador 20 mi s of Placerville 914 Comment
  JEPS83566  Chamaesyce serpyllifolia Dean W. Taylor 1986-8-16 8839 Amador Anderson Ridge 2072 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
  UCD137473  Cheilanthes gracillima Dean W. Taylor 1973-6-1 2367 Amador West of Highway 88-Silver Lake and east of Shealor Lakes on the headwaters of North Tradegy Creek. 2438 Comment
  UC66315  Chenopodium ambrosioides Ernest Braunton June, 1904 1160 Amador Vicinity of Ione 60 Comment
  SEINET3864688  Chenopodium atrovirens D. W. McNeal 1978-8-4 s.n. Amador On the margin of a Pinus-Abies forest at the edge of an open meadow area above Hwy. #88, 8.1 mi. NE of the Lumberyard R. S. El Dorado Nat. For.; 0 Comment
  UC1093852  Chenopodium pumilio Herbert L. Mason 1933-9-2 7286 Amador Silver Lake Sierra Nevada Comment
  UCR230965  Chenopodium vulvaria George K. Helmkamp, E. A. Helmkamp 2011-6-22 17617 B Amador Northern Sierra Nevada Mountains Foothills, Sutter-Ione Road, 2.7 miles west of its junction with CA-49, 2.9 mi. SW (221 deg. ) of Amador City 308 Comment
  UC66519  Chlorogalum angustifolium Ernest Braunton June 1904 1005 Amador vicinity Ione 60 Comment
  UC193210  Chlorogalum pomeridianum var. pomeridianum Geo. Hansen Jun 1 1892-Mar 1 1895 41 Amador Silver Lake 2438 Comment
  UC765939  Chlorogalum pomeridianum var. pomeridianum R. F. Hoover 1937-6-10 2411 Amador 3 mi w Ione Comment
  POM110255  Chlorogalum pomeridianum var. pomeridianum Geo Hansen 1896-7-13 1827 Amador Sequoia gigantea region: Pioneer 915 Comment
  UCR259873  Chondrilla juncea George K. Helmkamp, Elizabeth Helmkamp 2013-10-18 22447 Amador Sierra Nevada Mountains Foothills, along Shenandoah Road, 0.2 mile east of CA-49 in Plymouth 364 Comment
  CAS-BOT-BC279791  Chondrilla juncea T. C. Fuller 1970-7-8 19769 Amador Hwy 16 to Drytown, 0.1 mi. e. of DeVore Station, 1.5 mi. e. of the county boundary line with Sacramento Co. Sierra Nevada 121 Comment
  CDA22458  Chorizanthe membranacea W. E. Simonds 1960-5-29 Amador Halfway between Plymouth & Fiddletown. 0 Comment
  JEPS32574  Chorizanthe polygonoides var. polygonoides Paul C. Hutchison 1963-4-27 2679 Amador 7 1/2 mi n Ione (along road n of Ione leading to Waits Road Station [at junction with Calif. State Highway No. 16]); n of Ione Comment
  CDA21799  Chrysolepis sempervirens R. L. Penrose 1991-8-18 Amador 2.5 miles east of Ham s Station. Comment
  UC1281145  Chrysolepis sempervirens H. E. McMinn 1932-8-10 2963 Amador Granite Lake Comment
  UCR178752  Chrysothamnus nauseosus subsp. albicaulis George K. Helmkamp, E. A. Helmkamp 2006-8-30 11320 Amador Northern Sierra Nevada Mountains, along Calif. Hwy 88, 4.5 miles west of the south shore of Silver Lake, vicinity of Shot Rock Picnic area 2322 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
  CAS-BOT-BC285275  Cirsium andersonii E. K. Balls; P. C. Everett 1952-10-8 18101 Amador Silver Lake Forest Service Camp, off Hwy 88 to Carson Pass 2133 Comment
  POM33554  Cirsium andersonii Geo. Hansen 1896-7-13 1847 Amador Pioneer 1067 Comment
  RSA78973  Cirsium andersonii E. K. Balls 1952-10-8 18101 Amador Silver Lake Forest Service Camp, off Hwy. 88 to Carson Pass 2134 Comment
  RSA0070690  Cirsium occidentale var. californicum Geo. Hansen 1896-7-7 1805 Amador West Point Bridge, Mokelumne River. [Amador or Calaveras counties] 701 Comment
  CAS-BOT-BC228745  Cistanthe umbellata D. E. Breedlove; M. Bourell; R. Patterson 1986-6-9 62828 Amador Above Ham Station on W slope of Carson Pass 1980 Comment
  JEPS74835 Image available Clarkia arcuata L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1975-5-22 4045 Amador 2 mi w Route 49 (along Route 16, just e of site of Waits Station) Comment
  JEPS78448 Image available Clarkia arcuata L. R. Heckard, T. I. Chuang, and R. Bacigalupi 1975-5-22 4045 Amador 2 mi w Route 49 (along Route 16, just e of site of Waits Station) Comment
  UC101805  Clarkia arcuata Geo. Hansen May 1895 1090 Amador Panther Creek Sequoia Gigantea Region; Panther Creek, Amador Co. 1463 Comment
  UC142977  Clarkia arcuata Katharine Brandegee 1910-7-30 Amador near Wylie's Station Comment
  UC572584  Clarkia arcuata G. T. Nordstrom 1936-4-27 764 Amador 1 1/4 mi nw Sugar Loaf; Jackson Quadrangle 213 Comment
  POM257250  Clarkia arcuata H. L. Mason 1932-4-25 6997 Amador Vorhees School, near Dry Creek Comment
  UC1122368  Clarkia biloba G. T. Nordstrom 1936-6-5 820 Amador 4 mi ne Amador City; Jackson Quadrangle Comment
  UC142991  Clarkia biloba Katharine Brandegee June, 1910 Amador near Volcano Comment
  CAS-BOT-BC163593  Clarkia biloba subsp. biloba Ernest Braunton 1904-6-1 1042 Amador Ione, Banks of Sutter Creek Comment
  RSA0094836  Clarkia biloba subsp. biloba George K. Helmkamp, Amy Barnes 2014-5-8 22855 Amador Sierra Nevada Mountains Foothills. Sutter Creek-Volcano Road, 0.2 mile east of old CA-49 in town of Sutter Creek. 375 Comment
  UC1071954  Clarkia biloba subsp. biloba H. and M. Lewis 1947-6-10 368 Amador south city limit Amador City (Highway 49) Comment
  UCD85104  Clarkia biloba subsp. biloba Dena Grossenbacher; Joel Smith 2009-6-21 1061 Amador 0.4 miles E of Sutter Creek on Church Street from junction with Main Street. 368 Comment
  SEINET4143375  Clarkia biloba subsp. biloba E. Mulliken 1904-6-1 108 Amador Caminetti Ranch, near Jackson 488 Comment
  UCD104541  Clarkia gracilis Bettie Bowman 1961-4-29 33 Amador 3.1 miles S of Latrobe on Latrobe Road. 60 Comment
  UCR230974  Clarkia purpurea George K. Helmkamp, E. A. Helmkamp 2011-6-7 17474 A Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 3.4 miles west of Volcano 491 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
  UC1018285  Clarkia purpurea subsp. quadrivulnera H. Lewis and M. Lewis 1947-7-10 364 Amador 1.7 mi w Pine Grove School (Pine Grove to Sutter Creek Road) Comment
  UC1122427  Clarkia purpurea subsp. quadrivulnera C. M. Belshaw 1936-6-29 2376 Amador 2 mi nnw Glencoe; Jackson Quadrangle Comment
  UC20335  Clarkia purpurea subsp. quadrivulnera Geo. Hansen 1892-1 Amador Drytown Comment
  UCR218184  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2010-5-31 16193 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 5.2 miles east of the village of Sutter Creek 451 Comment
  UCR218198  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2010-5-31 16167 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 1.6 miles east of the village of Sutter Creek 412 Comment
  UCR225033  Clarkia purpurea subsp. quadrivulnera Dena Grossenbacher, Stefanie Porter 2009-5-15 996 Amador along County Road 81 (Spanish Flat Road) c. 0.5 mi from junction with Hwy 49 in Dry Town, private property 235 Comment
  CAS-BOT-BC163626  Clarkia purpurea subsp. quadrivulnera Geo. Hansen 1892-6-1 532 Amador Amador 243 Comment
  CAS-BOT-BC163630  Clarkia purpurea subsp. quadrivulnera Geo. Hansen 1896-6-25 1760 Amador Aqueduct 762 Comment
  CAS-BOT-BC163635  Clarkia purpurea subsp. quadrivulnera Rimo Bacigalupi; G. L. Stebbins; L. Heckard; K. Jakob 1951-5-13 3324 Amador Along State Highway 16. 0.6 mile east of junction with dirt road going north to Latrobe 207 Comment
  POM153251  Clarkia purpurea subsp. quadrivulnera C. L. Hitchcock 1928-6-12 30 Amador 2.5 miles northeast of Jackson 410 Comment
  POM200291  Clarkia purpurea subsp. quadrivulnera Carl B. Wolf 1933-6-30 5129 Amador West slope Sierra Nevada: 2 miles above Jackson on the road to Pine Grove (slopes above Jackson Creek) 457 Comment
  RSA108215  Clarkia purpurea subsp. quadrivulnera Harlan Lewis, M. Lewis 1947-6-10 364 Amador Pine Grove to Sutter Creek road, 1.7 miles west of Pine Grove School. 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
  UC107958  Clarkia rhomboidea Geo. Hansen May 1895 1092 Amador Panther Creek Sequoia Gigantea Region 1463 Comment
  UC1122436  Clarkia rhomboidea C. M. Belshaw 1936-7-12 2465 Amador 0.7 mi nw Blakely; Big Trees Quadrangle, Tiger Creek Comment
  UCR256676  Clarkia unguiculata George K. Helmkamp, Amy Barnes 2014-5-8 22854 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 0.2 mile east of old CA-49 in town of Sutter Creek 375 Comment
  JEPS43848  Clarkia williamsonii C. L. Hitchcock 1928-6-12 31 Amador 5 mi ne Jackson 430 Comment
  RSA0012162  Clarkia williamsonii George K. Helmkamp, E. A. Helmkamp 2011-7-12 17697 Amador along CA-88, 1.4 miles southwest of Ridge Road, 1.3 miles NW (334 deg.) of Clinton 622 Comment
  UC142987  Clarkia williamsonii Katharine Brandegee June, 1910 Amador near Volcano Comment
  UC191737  Clarkia williamsonii Geo. Hansen VII 1893 36 Amador Agrc. Station Sequoia Region, New York Falls 609 Comment
  UC373519  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-BC165734  Clarkia williamsonii Hanson 1892-7-1 36 Amador Unspecified Comment
  CAS-BOT-BC165737  Clarkia williamsonii Carl B. Wolf 1933-6-30 5131 Amador W. slope Sierra Nevada, field at Little Red Schoolhouse 3 mi. below Pine Grove on rd. to Jackson 609 Comment
  CAS-BOT-BC165739  Clarkia williamsonii Geo. Hansen 1891-1-1 s.n. Amador Unspecified Comment
  RSA122163  Clarkia williamsonii P. L. Johannsen 1937-7-9 1223 Amador 3 miles NNW of West Point 976 Comment
  JEPS43333  Claytonia exigua subsp. exigua W. L. Jepson 1929-4-29 15234 Amador Sacramento to Jackson road (Willow Springs Station) 198 Comment
  SEINET5338633  Claytonia parviflora H. Holbo 1961-3-31 s.n. Amador Horse Creek 183 Comment
  UC412610  Claytonia parviflora subsp. parviflora Geo. Hansen Apr 1895 1454 Amador Lancha Plane; Sequoia Region 91 Comment
  UC7893  Claytonia parviflora subsp. parviflora Geo. Hansen Apr 1891 35 Amador New York Falls, Agrc. Station; Sequoia Region 609 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
  UCD100681  Claytonia parviflora subsp. parviflora G. K. Helmkamp; E. A. Helmkamp 2007-3-10 11605 Amador Northern Sierra Nevada. Rattlesnake Bar Road, 3 miles southwest of Calif. Hwy 49, SW of Pilot Hill. 390 Comment
  CAS-BOT-BC233870  Claytonia parviflora subsp. parviflora Geo. Hansen 1891-3-1 35 Amador New York Falls, Agrc. Station 609 Comment
  UCD100729  Claytonia perfoliata G. K. Helmkamp; E. A. Helmkamp 2007-3-17 11640 Amador Sacramento Valley/Sierra Nevada Foothills; Hwy CA-24, 3.2 mi southwest of Plymouth near Tonzi Road. 210 Comment
  CAS-BOT-BC439821  Claytonia perfoliata John Thomas Howell 1969-4-22 45541 Amador Fiddletown 518 Comment
  CAS-BOT-BC439824  Claytonia perfoliata John Thomas Howell 1969-4-21 45526 Amador Jackson. 365 Comment
  UCD69427  Claytonia perfoliata Kathryn Specht 1984-5-2 18 Amador Amador Co.; 0.4 mi. east of Hwy 88 on Red Corral Rd.; in area dominanted by Quercus and Rhamnus; common annual herb, 1-3 dm. tall with pink-purple flowers; growing in moist sandy-clay soil with sandstone parent material in full sun. 933 Comment
  UCD100811  Claytonia perfoliata subsp. perfoliata G. K. Helmkamp; Elizabeth Helmkamp 2006-4-7 10166 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
  UCR198468  Claytonia perfoliata subsp. perfoliata George K. Helmkamp, E. A. Helmkamp 2008-3-12 13155 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.2 miles south of its junction with CA-49 at Scottsville 229 Comment
  UC9073  Clematis ligusticifolia Geo. Hansen 1892-1 Amador Comment
  SEINET10311587 Image available Collinsia grandiflora Tom Hensel 1974-5-22 324 Amador 1.5 miles NW of Volcano (town) on a private ranch 610 Comment
  SD237612  Collinsia heterophylla G. K. Helmkamp, E. A. Helmkamp 2010-5-31 16152 Amador Sierra Nevada Mountains Foothills: Church Street, becoming Sutter Creek-Volcano Road, 0.2 mile east of the village of Cutter Creek (Amador City 7.5'Q) 402 Comment
  SEINET3860452  Collinsia heterophylla George K. Helmkamp, E. A. Helmkamp 2010-5-31 16152 Amador Sierra Nevada Mountains Foothills: Church Street, becoming Sutter Creek-Volcano Road, 0.2 mile east of the village of Sutter Creek.; 0 402 Comment
  UC1032540  Collinsia heterophylla G. T. Nordstrom 1936-4-19 732 Amador 1 1/2 mi w of Plymouth 274 Comment
  UC885525  Collinsia heterophylla Ann Wood 1918-5-15 Amador Sutter Creek Comment
  UCR235284  Collinsia heterophylla George K. Helmkamp, E. A. Helmkamp 2012-4-19 18796 Amador Foothills, northern Sierra Nevada Mountains, Amador Creek Road, 1.4 miles northeast of Amador City 345 Comment
  UC138778  Collinsia heterophylla Geo. Hansen 1894-5-7 742 Amador Sequoia Region, Mountain Springs Mountain Springs; Sequoia Region, Mountain Springs 304 Comment
  UCD123539  Collinsia heterophylla var. heterophylla G. K. Helmkamp 2006-5-6 10314 Amador Northern Sierra Nevada foothills: middle of the city Jackson, 0.1 mile north of the junction of CA-49 and CA-88. 377 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
  JEPS6341  Collinsia sparsiflora var. collina W. L. Jepson 1929-4-29 15243 Amador 1 mi s Willow Spring Station 198 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
  UC1032611  Collinsia torreyi var. torreyi H. S. Yates 1934-6-30 3923 Amador 1 mi ne of Silver Lake (El Dorado National Forest); El Dorado National Forest 2164 Comment
  UCR242815  Collomia George K. Helmkamp, E. A. Helmkamp 2010-9-1 16882 C 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
  SD237546  Collomia heterophylla G. K. Helmkamp, E. A. Helmkamp 2010-6-23 16344 Amador Sierra Nevada Mountains Foothills: Sutter Creek Road, 7.2 miles northeast of its junction with old CA-49 in Sutter Creek village (Pine Grove 7.5'Q) 473 Comment
  UC66306  Collomia heterophylla Ernest Braunton June, 1904 1066 Amador Sutter Creek Ione Comment
  UC879366  Convolvulus arvensis Geo. Hansen June, 1893 483 Amador Pine Grove 762 Comment
  UCR242000  Convolvulus arvensis George K. Helmkamp, E. A. Helmkamp 2012-9-7 19771 Amador Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of the junction with Fiddletown Road at Plymouth 299 Comment
  CAS-BOT-BC286055  Conyza canadensis Ernest Braunton 1904-7-1 1134 Amador Ione Comment
  UCR259866  Conyza canadensis George K. Helmkamp, Elizabeth Helmkamp 2013-10-22 22457 Amador Sierra Nevada Mountains Foothills, Shenandoah Road, near Sobon Creek, 6.8 miles northeast of its junction with CA-49 in Plymouth 563 Comment
  SDSU659  Corallorhiza Helen L. Dale 1929-7-30 Amador Carson Spur 2469 Comment
  CAS-BOT-BC102  Cordylanthus pilosus subsp. hansenii George Hansen 1893-9-1 138 Amador Agrc. Station 609 Comment
  JEPS16275  Cordylanthus pilosus subsp. hansenii B. Schreiber 1937-8-22 2461 Amador 7.2 mi ne Ione; Jackson Quadrangle 182 Comment
  UC103415  Cordylanthus pilosus subsp. hansenii Geo. Hansen Sep 1893 138 Amador = Jackson Agrc. Station; Jackson, Agricultural Station, Amador Co. 609 Comment
  UC615070  Cordylanthus pilosus subsp. hansenii Beryl O. Schreiber 1937-8-22 2461 Amador 7.2 mi ne Ione 182 Comment
  UC65865  Cordylanthus pilosus subsp. hansenii Ernest Braunton July, 1904 1121 Amador vicinity of Ione 60 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
  SEINET9314101  Cornus nuttallii Unknown 1985-5-4 11 Amador Along highway 88, 1 mile from intersection with Sugar Pine Lane; large tree growing in forested area. Comment
  UC1280727  Cornus sericea subsp. sericea H. E. McMinn 1932-7-21 2949 Amador trail to Thimble Peak 2316 Comment
  CAS-BOT-BC210517  Cornus sessilis Geo. Hansen 1896-3-21 1506 Amador Carpenter's Gulch 548 Comment
  UC1135186  Corylus californica G. T. Nordstrom 1936-5-27 806 Amador 4.3 mi NW of Volcano 518 Comment
  UC5429  Corylus californica Geo. Hansen 1892-1 Amador Amador County Comment
  CAS-BOT-BC169496  Corylus cornuta subsp. californica Geo. Hansen 1893-7-1 808 Amador Grass Valley 914 Comment
  UCR208317  Crassula connata George K. Helmkamp, E. A. Helmkamp 2009-3-26 14478 Amador San Joaquin Valley, along CA-88, 0.4 mile northeast of the San Joaquin Co. line 81 Comment
  CAS-BOT-BC427705  Crassula connata Geo. Hansen 1895-4-1 1055 Amador Lancha Plana 91 Comment
  CAS-BOT-BC427952  Crassula tillaea Jack Major; Samuel A. Bamberg 1964-3-1 s.n. Amador 3 miles south of Ione on road to Buena Vista Comment
  UCD101823  Crassula tillaea Jack Major; Samuel A. Bamberg 1964-3-1 974 B Amador 3 miles south of Ione on road to Buena Vista. Comment
  UC521411  Crepis acuminata E. B. Babcock 1934-7-30 446 Amador Carson Spur; near hwy 2468 Comment
  OBI77946  Crocanthemum scoparium Robert F. Hoover 1965-6-24 9457 Amador 2 mi SE of Ione Comment
  UC1121545  Crocanthemum scoparium R. D. Roseberry 1935-4-19 67 Amador 2.5 mi w Buena Vista; Jackson Quad. 106 Comment
  UCD83119  Crocanthemum scoparium var. vulgare CNPS SSN-SJV Foothill Team 2008-7-22 168 Amador Lone, BLM property. West of Brush Road. 114 Comment
  JEPS15019  Crocanthemum suffrutescens Beryl Schreiber 1936-5-23 2244 Amador 3.5 mi ese Michigan Bar; Jackson Quadrangle 152 Comment
  JEPS15020  Crocanthemum suffrutescens B. Schreiber 1937-6-12 2401 Amador 3.5 mi ese Michigan Bar; Jackson Quadrangle 152 Comment
  JEPS29813  Crocanthemum suffrutescens Rimo Bacigalupi and L. R. Heckard 1962-5-31 8557 Amador on road to Ione 0.9 mi n Buena Vista; Ione Formation 91 Comment
  JEPS90832  Crocanthemum suffrutescens Dean W. Taylor, Rod MacDonald 1972-6-3 20 Amador along Highway 124 1.5 mi n of the junction with Highway 88 near Ione; Highway 124 152 Comment
  UC1061512  Crocanthemum suffrutescens G. T. Nordstrom 1936-4-24 760 Amador 1.8 mi ese Michigan Bar; Jackson Quad. 91 Comment
  UC1121553  Crocanthemum suffrutescens G. T. Nordstrom 1936-5-23 801 Amador 2 mi ne Amador City; Jackson Quad. 457 Comment
  UC632148  Crocanthemum suffrutescens Beryl Schreiber 1937-6-12 2401 Amador 3.5 mi ese Michigan Bar; Jackson Quad. 152 Comment
  UC632150 Image available Crocanthemum suffrutescens Beryl O. Schreiber 1936-5-23 2243 Amador 5.5 miles west-southwest of Bisbee Peak 152 Comment
  UCR240740  Croton setiger George K. Helmkamp, E. A. Helmkamp 2012-9-1 19735 Amador Northern Sierra Nevada Mountains Foothills, along CA-88 (Carson Pass Hwy) at the junction with West Clinton Road, between Jackson and Pine Grove 474 Comment
  UCR248378  Croton setiger George K. Helmkamp, Elizabeth Helmkamp 2013-9-13 22294 Amador Northern Sierra Nevada Mountains Foothills, Fiddletown Road, 0.4 mile west of its junction with Shake Ridge Road 977 Comment
  UCD121547  Crucianella angustifolia G. F. Hrusa; J. Hart 1996-5-27 12938 Amador Approx. 1/4 mile E of Jackson Valley Rd. and approx. 1/2 mile S of intersection with Old Stockton/Cook Rds. Sierra Nevada Foothills. 160 Comment
  CAS-BOT-BC94854  Crucianella angustifolia R. C. Wenk 2009-5-20 1100 Amador Tonzi Ranch, 1.2 air mi. SSW of jct. of Irish Hill and Carbondale Roads. 170 Comment
  SEINET2473482 Image available Crypsis schoenoides George K. Helmkamp, E. A. Helmkamp 2007-1 12815 Amador Northern Sierra Nevada Mountains Foothills; along Hwy CA-49 at the south end of Plymouth 320 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
  UCD34007  Crypsis vaginiflora Beecher Crampton 1975-8-27 9256 Amador Amador County, along hwy. 88 ca. 5 miles S.W. of Ione (by road), Rancho Arroyo Seco. Comment
  UCD59998  Crypsis vaginiflora Beecher Crampton 1975-8-27 9256 Amador ca. 5 miles southwest of Ione along State Hwy. 88. Comment
  CAS-BOT-BC334216  Cryptantha affinis George K. Helmkamp; E. A. Helmkamp 2011-8-6 18015 Amador Northern Sierra Nevada Mountains: along dirt road 0.3 mile E of Bear River Reservoir Road, from a point 0.7 miles S of CA-88 1986 Comment
  UCR233131B  Cryptantha affinis George K. Helmkamp, E. A. Helmkamp 2011-8-6 17996 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCD119776  Cryptantha echinella G. K. Helmkamp; E. A. Helmkamp 2007-7-17 12527 Amador Northern Sierra Nevada Mountains along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake. 2317 Comment
  UCR206584  Cryptantha echinella George K. Helmkamp, Ann Kerchner 2009-7-25 15291 Amador Sierra Nevada Mountains, south side of CA-88, 3.2 miles west of the Alpine Co. line; near Martin Meadow 2306 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
  UC596354  Cryptantha micromeres R. F. Hoover 1937-6-10 2417 Amador Ione Comment
  UC79422  Cryptantha micromeres Mrs. K. Brandegee May 1886 Amador Ione 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
  RSA202122  Cupressus macnabiana P. C. Hutchinson 1963-10-19 2735 Amador River Pines (near Aukum), summit of hill south of the settlement Comment
  UC1281358  Cupressus macnabiana H. E. McMinn 1935-8-9 4135 Amador Redhill Comment
  SEINET10531476  Cupressus macnabiana Carl B. Wolf, E. R. Johnson 1934-10-2 Wolf 2111 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
  UCD133507  Cupressus macnabiana Daniel Axelrod 1972-10-28 s.n. Amador East from River Pines on Chaparral trail road to base of hill (ca. 200 yards); 1500 feet south of WT at east edge of River Pines. 640 Comment
  CAS-BOT-BC299738  Cynara cardunculus Ernest Braunton 1904-6-1 1004 Amador Grounds of Preston School Comment
  SEINET13297592 Image available Cynodon dactylon George K. Helmkamp, Elizabeth Helmkamp 2013-1 22434 Amador Sierra Nevada Mountains Foothills: Plymouth, at the junction of Mineral Street and Mill Street, near Hwy CA-49 (Amador City 7.5' Q.) 329 Comment
  UCR241980  Cynodon dactylon George K. Helmkamp, E. A. Helmkamp 2012-9-7 19790 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
  OBI28443  Cynosurus echinatus Rhonda Riggins 1982-5-29 1440 Amador 2.6 mi N jct CA 16 N of Drytown, 3.9 mi S El Dorado Comment
  UCR246649  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2012-6-6 19129 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.1 miles west of Cooks Station 1439 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
  UCR182281  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2006-10-23 11571 Amador Central Valley/ Northern Sierra Nevada Foothills, along Calif. Hwy 16, 0.2 mile east of Waits Station, southwest of Plymouth 305 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
  SEINET10237164  Cyperus niger George K. Helmkamp, Elizabeth Helmkamp 2013-1 22154 Amador Sierra Nevada Mountains Foothills: Sutter Creek-VOlcano ROad, 11.3 miles northeast of the town of Sutter Creek Comment
  UC65930  Cyperus niger Ernest Braunton June 1904 1038 Amador vicinity of Ione 60 Comment
  CAS-BOT-BC114072  Cyperus squarrosus George Hansen 1893-6-1 642 Amador Agrc. Station. 609 Comment
  CDA38895  Cyperus strigosus T. C. Fuller 1961-10-4 7082 Amador Jackson; southeast corner of Hoffman St. and Sierra Dr. , Jackson Munic. Water Dist. 0 Comment
  CDA17005  Cystopteris fragilis G. F. Hrusa, J. Glazner 2003-7-22 16084 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  SEINET3386348 Image available Dactylis glomerata G. K. Helmcamp, E. A. Helmkamp 2008-6-23 13733 Amador Northern Sierra Nevada Mountains: Dufrene Road, 1.1 mi S of its junction with CA 88, 2 mi N of the west end of Lower Bear River Reservoir 1000 Comment
  CAS-BOT-BC420632  Darmera peltata Geo. Hansen 1896-7-28 1689 Amador Antelope 1280 Comment
  UC66910  Datisca glomerata Ernest Braunton July 1904 1091 Amador vicinity of Ione 60 Comment
  UC1122943  Daucus pusillus R. D. Roseberry 1935-4-18 69 Amador 1 1/2 mi. n.w. Buena Vista; Jackson Quad. Comment
  SD247492  Delphinium glaucum George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21018 Amador Northern Sierra Nevada Mountains: Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy (Tragedy Spring 7.5'Q) 2191 Comment
  UC118569  Delphinium gracilentum M. K. Curran 1886-5-26 Amador Comment
  RSA148108  Delphinium hansenii C. Epling 1945-5-20 584 Amador Amador County: why 49, 3.4-3.6 miles S of jct of Hwy 88 and 49 at Jackson, Comment
  UCR197553  Delphinium nuttallianum George K. Helmkamp, E. A. Helmkamp 2008-6-23 13711 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
  SJSU3553  Delphinium variegatum E. R. Gunderson 1965-4-24 88 Amador 5 mi W of Ione on State Rte 104 54 Comment
  UCD96612  Delphinium variegatum Edwin A. Crosby 1952-5-4 27 Amador 3.5 miles northwest of Drytown, on State Route 16. 243 Comment
  POM296148B  Delphinium variegatum Cora W. Benson 1935-4-25 90 Amador Stokes Ranch Comment
  UCSB16691  Delphinium variegatum Breedlove, Dennis 1962-6-14 Amador Along State Highway 88, 10 miles east of Pine Grove; Sierra Nevada 1005 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-BC17013  Delphinium variegatum subsp. variegatum Geo. Hansen 1896-6-8 1720 Amador New York Falls 457 Comment
  UC569987  Delphinium variegatum subsp. variegatum R. D. Roseberry 1935-4-24 117 Amador 4 mi nw Ione; Jackson Quadrangle 91 Comment
  CAS-BOT-BC17014  Delphinium variegatum subsp. variegatum D. E. Breedlove 1962-6-14 3662 Amador Along State Highway 88, 10 miles east of Pine Grove; Sierra Nevada. 1005 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
  CAS-BOT-BC194346  Deschampsia cespitosa subsp. cespitosa Catherine Best 1982-7-12 770 Amador Kirkwood - Sierra Nevada 2341 Comment
  UCR197545  Deschampsia cespitosa subsp. cespitosa George K. Helmkamp, E. A. Helmkamp 2008-7-16 13846 Amador Northern Sierra Nevada Mountains, along CA-88 at Kirkwood 2348 Comment
  RSA7238  Deschampsia danthonioides C. B. Wolf 1933-7-1 5138 Amador 17 mi. E. of Pine Grove on the Carson Pass Highway 1524 Comment
  SD236139  Deschampsia danthonioides G. K. Helmkamp 2008-6-17 13662 Amador Northern Sierra Nevada Mountains: Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1990 Comment
  SEINET3927646  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.; 0 1652 Comment
  UC1131439  Deschampsia danthonioides R. D. Roseberry 1935-4-20 79 Amador 4 mi. w. Buena Vista; Jackson Quad. 106 Comment
  UC38012  Deschampsia danthonioides Geo. Hansen 1896-6-25 1783 Amador Volcano Sequoia Gigantea Region, Volcano 914 Comment
  SD239526  Deschampsia elongata G. K. Helmkamp, E. A. Helmkamp 2012-7-14 19376 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 (Trajedy Spring 7.5'Q0 2329 Comment
  UCR248390  Descurainia incana George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21011 Amador Northern Sierra Nevada Mountains, Plasse Road toward Silver Lake, 0.3 mile south of CA-88/Carson Pass Hwy 2276 Comment
  CDA24618  Dicentra chrysantha T. C. Fuller 1962-6-28 9057 Amador Kreth Ditch, 1 mile west of Pardee Dam. 0 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
  UCR189520  Dicentra formosa George K. Helmkamp, E. A. Helmkamp 2007-8-16 12759 Amador Northern Sierra Nevada Mountains, along the south side of Bear River Reservoir just east of the spillway 1777 Comment
  UCR253523  Dicentra formosa George K. Helmkamp, Elizabeth Helmkamp 2013-7-6 20966 Amador Northern Sierra Nevada Mountains, Bear River Road at the south end of the dam for Lower Bear River Reservoir 1784 Comment
  UCD13388  Dicentra formosa Steve Daniel 1986-5-31 86 -44 Amador 5 miles W of French Meadows Res. South facing slope along Robertson flats. 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
  CAS-BOT-BC254476  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1954-5-18 29842 Amador 1.5 miles NNE of Buena Vista 91 Comment
  UC1133891  Dichelostemma capitatum R. D. Roseberry 1935-4-16 31 Amador 2.5 mi n Ione; Jackson Quad. 121 Comment
  UCD105528  Dichelostemma capitatum Robert E. Preston 2010-4-17 2764 Amador 0.64 mi N of the Calaveras Co. line, along Buena Vista Rd. 104 Comment
  CAS-BOT-BC500052  Dichelostemma capitatum Beth F. Allen 1941-3-26 s.n. Amador Waters Hill, on road from Buena Vista to Pardee Dam 3.4 miles from Beuna Vista Comment
  UCD148238  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-3-24 2899 Amador Ca. 5.5 mi W of Ione, along Hwy 104. 93 Comment
  UCR198467  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2008-3-12 13172 Amador Sierra Nevada Mountains Foothills, along Tonzi Road 0.3 miles west of its junction with CA-49, west of Sutter Creek 360 Comment
  RSA232766  Dichelostemma capitatum subsp. capitatum Lee W. Lenz 1967-4-12 24680 Amador Ca 5 miles from Ione-Jackson jct on Hwy 16 to Sacramento. Comment
  CAS-BOT-BC502504  Dichelostemma volubile D. E. Breedlove 1962-6-14 3665 Amador Along State Hwy 88, 8.8 miles east of Pine Grove; Sierra Nevada 1036 Comment
  CAS-BOT-BC502507  Dichelostemma volubile C. A. Gross 1903-5-29 182 Amador Near Plymouth Comment
  CAS-BOT-BC502509  Dichelostemma volubile Earle Mulliken 1904-6-1 103 Amador Caminetti Ranch, near Jackson; Sierra Nevada Mountains 487 Comment
  SEINET8476807  Dichelostemma volubile E. Mulliken 1904-1 103 Amador Caminetti Ranch, near Jackson. 488 Comment
  UCD139272  Dichelostemma volubile June McCaskill 1956-5-2 403 Amador over 2nd hill in east side of road, 1/2 mile north of Ione on Placerville Road. 883 Comment
  SEINET13203109 Image available Digitaria sanguinalis George K. Helmkamp, E. A. Helmkamp 2012-1 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. (Amador City 7.5' Q.) 303 Comment
  UCR241970  Digitaria sanguinalis George K. Helmkamp, E. A. Helmkamp 2012-9-7 19776 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
  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-BC153760  Diplacus angustatus Geo. Hansen 1896-5-28 1683 Amador Pioneer 914 Comment
  CAS-BOT-BC150314  Diplacus aurantiacus Ernest Braunton 1904-7-1 1146 Amador Grounds of Preston School Comment
  CAS-BOT-BC150311  Diplacus aurantiacus C. A. G. 1903-6-1 s.n. Amador Plymouth Comment
  CAS-BOT-BC151762  Diplacus kelloggii Geo. Hansen 1891-4-1 s.n. Amador Agri. Station 609 Comment
  CAS-BOT-BC153659  Diplacus mephiticus Geo. Hansen 1892-7-1 463 Amador Pedlar 1981 Comment
  CAS-BOT-BC154019  Diplacus torreyi Catherine Best 1982-7-19 775 Amador On the edge of Hwy. 88 1066 Comment
  CAS-BOT-BC154021  Diplacus torreyi D. E. Breedlove; M. Bourell; M. Patterson 1986-6-5 62618 Amador Ridge 12 mi E of Fiddletown Comment
  CAS-BOT-BC154024  Diplacus torreyi Geo. Hansen 1895-5-1 1125 Amador Ham's 1524 Comment
  SD131163  Diplacus torreyi D. E. Breedlove, M. Bourell, R. Patterson 1986-6-5 62618 Amador Flat ridge 12 mi E of Fiddletown Comment
  CAS-BOT-BC151310  Diplacus tricolor Gladys L. Smith 1978-4-25 s.n. Amador Just east of Mokelomne Hill on Rte. 49 - Sierra Nevada 457 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
  SD133261  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 on low rounded hill 349 Comment
  SEINET8364647  Diplacus viscidus Unknown 1968-6-11 Amador west of John Matson Ranch, near Rancheria Creek, 11 miles east of Plymouth. 457 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
  POM76689  Dodecatheon hansenii Geo. Hansen 1893-3-2 986 Amador Irish Town 457 Comment
  RSA6172  Dodecatheon hansenii Carl B. Wolf 1933-5-24 4914 Amador King's Ranch, 8 mi. above Pine Grove on Carson Pass Highway 1006 Comment
  JEPS14578  Dodecatheon hendersonii Peter H. Raven with G. Thomas Robbins 1956-4-29 9125 Amador along the Carson Pass Road 1.5 mi e Oleta ((Fiddletown)); along Carson Pass Road, e of Oleta (Fiddletown) Comment
  JEPS78672  Dodecatheon hendersonii Edward Lee 1936-2-29 1767 Amador 2.5 mi (straight line) se Ione (Fork of Ione and Buena Vista Roads); se of Ione, Fork of Ione and Buena Vista Roads Comment
  SEINET2033393 Image available Dodecatheon hendersonii George K. Helmkamp, E. A. Helmkamp 2008-5-4 13396 Amador Sierra Nevada Mountains Foothills: along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir 774 Comment
  UC1123270  Dodecatheon hendersonii C. M. Belshaw 1936-2-29 1527 Amador 2 1/2 mi se Ione; Jackson Quadrangle 152 Comment
  UC189165  Dodecatheon hendersonii Geo. Hansen 1896-3-25 1514 Amador Stoney Creek Sequoia Gigantea Region, Stoney Creek 304 Comment
  UC22400  Dodecatheon hendersonii Geo. Hansen 1886-3-30 Amador Jackson Comment
  SEINET5733609 Image available Dodecatheon hendersonii Paul Fong 1971-1 33 Amador Ca. 1.5 mi. SW of River Pines on Rd. E16.; River Pines 610 Comment
  UC726432  Downingia bicornuta var. picta A. A. Heller 1941-5-10 16113 Amador 5 mi w Ione (on the road connecting with State Highway 16) 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
  CAS-BOT-BC527335  Drymocallis glandulosa var. reflexa Geo Hansen 1891-5-1 64 Amador French Garden 396 Comment
  UC12525  Drymocallis glandulosa var. reflexa Geo. Hansen 1891-1 Amador Comment
  UCD113005  Drymocallis lactea Dr. T. I. Storer 1938-8-11 s.n. Amador 2 mi. south of Carson Spur. 2651 Comment
  CAS-BOT-BC157790  Drymocallis lactea var. lactea Earle Mulliken 1904-7-27 153 Amador Sierra Nevada Mountains. Silver Lake 2194 Comment
  SBBG33713  Drymocallis lactea var. lactea T. L. Secrest 1950-8-17 Amador Silver Lake Comment
  CAS-BOT-BC70850  Dryopteris arguta John Thomas Howell 1969-4-22 45539 Amador Volcano 609 Comment
  UC571156  Dudleya cymosa H. L. Mason 1926-5-31 3342 Amador along Mokelumne River (on Jackson to San Andreas Rd) Comment
  UCR218193  Dudleya cymosa subsp. cymosa George K. Helmkamp, E. A. Helmkamp 2010-5-31 16172 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 2.8 miles east of the village of Sutter Creek 427 Comment
  CAS-BOT-BC434948  Dysphania botrys George K. Helmkamp; Elizabeth Helmkamp 2013-9-7 22283 Amador Northern Sierra Nevada Mountains: on the south side of CA-88/Carson Pass Hwy, c. 0.3 mile west of the junction with Bear River Reservoir Road. 1934 Comment
  UCD98736  Dysphania botrys G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12895 Amador Northern Sierra Nevada Mountains, west slope: Along CA-88 3.2 miles west of Hams Station along CA-88, just east of Cooks Station. 1527 Comment
  UCR219071  Dysphania botrys George K. Helmkamp, E. A. Helmkamp 2009-9-15 15621 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 Reservoir 1622 Comment
  UCR257167  Dysphania botrys George K. Helmkamp, Elizabeth Helmkamp 2013-9-7 22283 Amador Northern Sierra Nevada Mountains, on the south side of CA-88/Carson Pass Hwy, c. 0.3 mile west of the junction with Bear River Reservoir Road 1934 Comment
  UCR258974  Dysphania botrys George K. Helmkamp, Amy Barnes 2014-10-10 23131 Amador Northern Sierra Nevada Mountains, west side of Bear River Reservoir, 0.2 mile north of the dam 1796 Comment
  SEINET4175105  Dysphania botrys E. Braunton 1904-6-1 1034 Amador Lone Comment
  UCR191113  Echinochloa crus-galli George K. Helmkamp, E. A. Helmkamp 2007-8-26 12819 Amador Northern Sierra Nevada Mountains Foothills, along Hwy CA-49 at the south end of Plymouth 323 Comment
  RSA755659  Eclipta alba Barbara Ertter, Fosiee Tahbaz 1990-11-4 9690 Amador Camanche Reservoir northeast of Stockton, north shore public access. 61 Comment
  UC1101536  Elatine triandra Herbert L. Mason 1933-9-2 7257 Amador Silver Lake Sierra Nevada Comment
  POM290737  Eleocharis acicularis var. acicularis Lyman Benson 1931-8-26 2888 Amador Silver lake, Sierra Nevada 2287 Comment
  UC1133529  Eleocharis bolanderi P. L. Johannsen 1937-7-9 1235 Amador 3 mi NNW of West Point 975 Comment
  CAS-BOT-BC112761  Eleocharis macrostachya George Hansen 1892-6-1 640 Amador New York Falls 609 Comment
  UC65905  Eleocharis macrostachya Ernest Braunton Jun 1904 1058 Amador vicinity of Ione 60 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
  UCR233257  Elymus George K. Helmkamp, E. A. Helmkamp 2011-8-6 17982 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UC1153804  Elymus X hansenii Beecher Crampton 1957-5-28 4059 Amador 5.3 mi ne Jackson (Type Locality); Old University of California Foothill Experiment Station 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
  UC38228  Elymus elymoides subsp. elymoides Geo. Hansen 1892-1 617 Amador near Jackson Comment
  UCD148290  Elymus elymoides var. elymoides G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-8-10 3403 Amador Small lake on south side of Hwy 88, just west of Carson Spur; 1 mile west of road to Lake Kirkwood. 2407 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
  UC38205  Elymus glaucus Geo. Hansen 1892-1 609 Amador near Jackson Comment
  UCD62284  Elymus glaucus subsp. glaucus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10359 Amador Northern Sierra Nevada Foothills: Along CA Hwy 88, 0.9 mi. S of the El Dorado County line at Enterprise. 274 Comment
  CHSC91841  Elymus glaucus subsp. jepsonii G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-8-10 3402 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
  UC1133026  Elymus multisetus G. T. Nordstrom 1936-6-10 836 Amador 0.6 mi sw Lockwood; Jackson Quadrangle Comment
  UCD37123  Elymus multisetus Beecher Crampton 1957-5-28 4063 Amador Amador County, 5.3 miles northeast of Jackson, old University of California Foothill Field Station (1889-1903), Reservoir Hill, now property of Catherine Fantozzi. Comment
  UCD94853  Elymus multisetus Beecher Crampton 1957-5-28 4056 Amador 1/4 mile E of Willow Springs School, ca. 3.5 miles W of Drytown, State Highway 16. Comment
  CDA18613  Elymus trachycaulus G. D. Barbe, T. C. Fuller & J. T. Howell 1981-8-1 3405 Amador Sierra Nevada; Small lake on S side of Hwy 88, just west of Carson Spur; 1 mile west of road to Lake Kirkwood, 3.6 miles E of Silver Lake (bridge). 2407 Comment
  CAS-BOT-BC204284  Elymus trachycaulus subsp. trachycaulus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-8-10 54429 Amador On Carson Pass road just west of Carson Spur near Kirkwood 2407 Comment
  UCD105363  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12902 Amador Northern Sierra Nevada Mountains. Along CA-89 south of Drytown and near the crossing of Sutter Creek. 241 Comment
  UCR191117  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2007-8-26 12813 Amador Northern Sierra Nevada Mountains Foothills, along Hwy CA-49 at mile-20, 2.1 miles north of Plymouth; beside Blue Indian Creek 299 Comment
  SEINET196582  Epilobium canum subsp. latifolium H. E. McMinn 1932-9-6 3001 Amador Kit Carson Spur Comment
  UC580698  Epilobium canum subsp. latifolium A. D. Gifford 1934-9-11 357 Amador 3 mi ssw Mokelumne Pk.; Pyramid Pk. Quadrangle 1417 Comment
  UC1122523  Epilobium ciliatum subsp. ciliatum C. M. Belshaw 1936-6-29 2397 Amador 2 3/4 mi nw Rich Gulch; Jackson Quadrangle Comment
  UC572267  Epilobium ciliatum subsp. ciliatum C. M. Belshaw 1936-7-14 2474 Amador 1.6 mi wsw Clinton; Jackson Quadrangle 579 Comment
  UC66917  Epilobium ciliatum subsp. ciliatum Ernest Braunton July, 1904 1114 Amador Vicinity of Ione 60 Comment
  UCR201540  Epilobium ciliatum subsp. ciliatum George K. Helmkamp, E. A. Helmkamp 2008-9-28 14167 Amador Foothills, northern Sierra Nevada Mountains, Sutter Creek Rancho Road on the north side of CA-88 and 4.2 miles southwest of the junction of CA-88 and CA-49 287 Comment
  POM271493  Epilobium ciliatum subsp. ciliatum Lyman Benson 1931-8-24 2860 Amador Silver Lake. Sierra Nevada mtn range. 2287 Comment
  RSA123117  Epilobium ciliatum subsp. ciliatum C. M. Belshaw 1936-7-14 2474 Amador 1.6 miles WSW of Clinton 579 Comment
  OBI48975  Epilobium ciliatum subsp. watsonii Michener & Bioletti, Bioletti August 1893 s.n. Amador Jackson Comment
  SEINET12868524  Epilobium ciliatum var. glandulosum E. Mulliken 1904-1 118 Amador Silver Lake 2195 Comment
  SD239831  Epilobium densiflorum George K. Helmkamp, E. A. Helmkamp 2010-10-1 16991 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road, 2.5 miles NW (285a^z) of Volcano (Pine Grove 7.5'Q) 691 Comment
  UC66918  Epilobium densiflorum Ernest Braunton June 1904 1006 Amador vicinity of Ione 60 Comment
  UCR191140  Epilobium densiflorum George K. Helmkamp, E. A. Helmkamp 2007-8-26 12812 Amador Northern Sierra Nevada Mountains Foothills, along Hwy CA-49 at mile-20, 2.1 miles north of Plymouth; beside Blue Indian Creek 299 Comment
  UCR233329  Epilobium densiflorum George K. Helmkamp, E. A. Helmkamp 2011-8-6 17962 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  JEPS29525  Epilobium minutum Paul C. Hutchison 1962-4-28 2381 Amador along Hwy 49 1 mi s Amador City (between Amador City and Sutter Creek) 350 Comment
  UCD112587  Epilobium minutum Christopher Mallek 2008-4-30 s.n. Amador River Pines. 688 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
  UC1063704  Equisetum hyemale subsp. affine C. M. Belshaw 1936-7-14 2470 Amador 2.2 mi. w.-s.w. Clinton; Jackson Quad. Comment
  SEINET192996 Image available Eragrostis diffusa Roxana S. Ferris 1940-6-1 9849 Amador Roadside between Clements and Ione. Comment
  SEINET10558910  Eragrostis mexicana subsp. virescens George Hansen 1896-1 Hansen 2086 Amador Clinton. 610 Comment
  CAS-BOT-BC284052  Eragrostis pectinacea var. pectinacea Roxana S. Ferris 1940-6-1 9849 Amador Hills between Clements and Ione Comment
  UCD64521  Eragrostis pectinacea var. pectinacea Roxana S. Ferris 1940-6-1 9849 Amador between Clements and Ione. Comment
  OBI19552  Eremogone kingii var. glabrescens H. E. McMinn 1933-9-3 3241 Amador Trl to Thimble Peak 2652 Comment
  CAS-BOT-BC520346  Ericameria arborescens George K. Helmkamp; E. A. Helmkamp 2012-10-5 19982 Amador Northern Sierra Nevada Mountains Foothills: Fiddletown Rd, 1.3 mi W of jct with Shake Ridge Rd 940 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
  CDA14782  Ericameria bloomeri G. D. Barbe, J. T. Howell, T. C. Fuller 1981-8-1 3395 Amador About small lake on south side of Highway 88 just west of Carson Spur, 1 mile west of road to Lake Kirkwood. 2407 Comment
  RSA0057867  Ericameria nauseosa var. speciosa George K. Helmkamp, Elizabeth A. Helmkamp 2013-9-7 22278 A Amador Tragedy Spring Road, 0.17 mi. above junction with Hwy 88/Carson Pass Rd., at the entrance path to the spring 2425 Comment
  CDA17008  Erigeron algidus G. F. Hrusa, J. Glazner 2003-7-22 16087 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  CAS-BOT-BC293584  Erigeron barbellulatus W. Bryan Duncan 1927-8-1 s.n. Amador Carson Spur, vicinity of Silver Lake 2621 Comment
  CDA17062  Erigeron breweri G. F. Hrusa, J. Glazner 2003-7-22 16132 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  JEPS89702  Erigeron foliosus var. foliosus Dean W. Taylor 1991-6-15 11934 Amador Chrome Mountain, along the Condor Gulch arm of Pardee Reservoir Condor Gulch arm of Pardee Reservoir; Sierra Nevada, Chrome Mountain, Pardee Reservoir 265 Comment
  CAS-BOT-BC300638  Erigeron foliosus var. hartwegii Ernest Braunton 1904-6-1 1019 Amador Ione. Along Sutter Creek Comment
  UC1118142  Erigeron foliosus var. hartwegii G. T. Nordstrom 1936-6-1 814 Amador 2.5 mi ene Plymouth; Jackson Quad. 426 Comment
  CAS-BOT-BC300636  Erigeron foliosus var. hartwegii C. A. G. 1903-6-3 157 Amador El Dorado road Comment
  POM199571  Erigeron foliosus var. hartwegii H. L. Mason 1932-4-24 s.n. Amador Dry Creek Bridge between Ione and Latrobe Comment
  UCD131975  Erigeron glacialis G. K. Helmkamp 2007-6-29 12458 Amador Northern Sierra Nevada Mountains: South side of CA-88, 0.2 mile west of Carson Spur summit. 2420 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
  RSA302610  Erigeron peregrinus subsp. callianthemus J. R. Shevock 1972-7-23 2172 Amador Near Carpel Lake (Twin Lake) 2287 Comment
  UC1118180  Erigeron philadelphicus var. philadelphicus G. T. Nordstrom 1936-4-24 747 Amador 0.7 mi se Bisbee Peak; Jackson Quad. 243 Comment
  CAS-BOT-BC216042  Eriodictyon californicum Geo. Hansen 1891-8-1 187 Amador Ranger Station 609 Comment
  RSA293487  Eriodictyon californicum C. W. Tilforth, John Dourley 1979-7-23 1869 Amador Highway 104 ca. 1 mile south of Ione. Comment
  UC1124273  Eriodictyon californicum R. D. Roseberry 1935-4-18 53 Amador 1/2 mi SE of Ione; Jackson Quad. 152 Comment
  UC1124283  Eriodictyon californicum D. Axelrod 1934-11-10 52 Amador 0.6 mi W and 2.7 mi N of John Bull Pk.; Jackson Quad. Comment
  UC572202  Eriodictyon californicum G. T. Nordstrom 1936-4-18 698 Amador 1.25 mi southwest of Bisbee Peak; Jackson Quad. 213 Comment
  UCR253513  Eriodictyon californicum George K. Helmkamp 2014-4-5 22665 Amador Sierra Nevada Foothills, junction of Tonzi Road and CA-124, NE of Ione 201 Comment
  CAS-BOT-BC33642  Eriogonum apricum John Thomas Howell 1954-9-5 30033 Amador Ione Hills 2 miles NNE of Buena Vista 91 Comment
  SFV988  Eriogonum apricum R. Gankin, G. L. Stebbins, Jr. 1964-9-29 s. n. Amador South slope of hill about 2 miles east of Buena Vista. Comment
  UCD99693  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
  UCD99695  Eriogonum apricum var. apricum Roman Gankin; G. L. Stebbins Jr. 1964-9-29 s.n. Amador Manzanita Hill, just north of State Route 88 near junction and east of the Buena Vista - Ione road, about 3 miles south of Ione. Comment
  JEPS105690  Eriogonum apricum var. prostratum George Hartwell 1996-11-10 s.n. Amador Carbondale Mesa northwest of Ione, near intersection of Carbondale Road and Lambert Road Comment
  SJSU14196  Eriogonum apricum var. prostratum R. G. Myatt 1986-6-22 2105 Amador W of Irish Hill Rd c. 3 mi N of its junction with Hwy 104 c. 5 mi NW of Ione 91 Comment
  SD234987  Eriogonum incanum G. K. Helmkamp 2007-6-29 12418 Amador Northern Sierra Nevada Mountains: Shot Rock Vista picnic area along CA-88, 0.9 miles east of its junction with Mormon Emigrant Trail (Bear River 7.5' Q) 2329 Comment
  UCR237722  Eriogonum marifolium George K. Helmkamp, E. A. Helmkamp 2012-7-14 19380 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-BC271017  Eriogonum nudum var. deductum Geo. Hansen 1893-10-1 763 Amador Silver Lake 2438 Comment
  UCR189420  Eriogonum nudum var. deductum George K. Helmkamp, E. A. Helmkamp 2007-8-16 12749 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail 2172 Comment
  UC1032209  Eriogonum nudum var. oblongifolium G. T. Nordstrom 1936-4-27 767 Amador 1 1/4 mi nw Sugar Loaf; Jackson quadrangle Comment
  CAS-BOT-BC261711  Eriogonum nudum var. oblongifolium Ernest Braunton 1904-7-1 1161 Amador Preston School of Industry, Waterman. Preston School Grounds Comment
  SEINET5330938  Eriogonum nudum var. oblongifolium E. Braunton 1904-1 1127 Amador Vicinity of Ione 152 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
  CAS-BOT-BC266840  Eriogonum ovalifolium var. nivale Gwendolan Newell 1929-8-24 s.n. Amador Summit, Emigrant Trail, Silver Lake 2438 Comment
  POM165259  Eriogonum pedunculatum Michener, Bioletti 1893-08 9216 Amador Jackson. Comment
  RSA131657  Eriogonum pedunculatum Peter H. Raven 1956-12-2 10525 Amador 6.7 miles north of Ione on road to Plymouth Comment
  UC1280999  Eriogonum rosense H. E. McMinn 1935-5-8 4128 Amador Cleveland Peak Comment
  UC1032306  Eriogonum roseum P. L. Johannsen 1937-7-16 1256 Amador 2 1/2 mi nw Whitmore; Jackson Quadrangle Comment
  CDA22657  Eriogonum roseum R. Johnson 1959-8-19 Amador 0 Comment
  CAS-BOT-BC267411  Eriogonum tripodum G. L. Stebbins 1971-6-20 8032 Amador 1 mile south of River Pines 670 Comment
  UCSB24508  Eriogonum umbellatum McMinn, H. 1932-9-9 Amador Silver 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
  UCR246585  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2012-6-6 19145 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
  CAS-BOT-BC301304  Eriophyllum lanatum var. croceum D. E. Breedlove 1962-6-14 3655 Amador Along State Hwy. 88, 14.6 miles east of Pine Grove 1280 Comment
  UCR196827  Eriophyllum lanatum var. croceum George K. Helmkamp 2008-6-17 13699 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
  CAS-BOT-BC308145  Eriophyllum lanatum var. grandiflorum Ernest Braunton 1904-6-1 1024 Amador Along Sutter Creek, Ione Comment
  POM66835  Eriophyllum lanatum var. grandiflorum Geo. Hansen 1895-6-16 912 Amador New York Falls 457 Comment
  SD237320  Eriophyllum lanatum var. grandiflorum G. K. Helmkamp, E. A. Helmkamp 2010-6-23 16359 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
  UC31681  Eriophyllum lanatum var. grandiflorum Geo. Hansen 1891-1 Amador Comment
  CAS-BOT-BC301463  Eriophyllum lanatum var. integrifolium W. Bryan Duncan 1927-7-1 s.n. Amador Vicinity of Silver Lake 2743 Comment
  UC34575  Eriophyllum lanatum var. integrifolium Geo. Hansen 1892-1 422 Amador Comment
  UCR233139B  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. 177 Comment
  UCR253468  Erodium botrys George K. Helmkamp 2014-4-5 22672 Amador Eastern San Joaquin Valley, Sutter Creek-Ione Road, 1.2 miles south of its junction with CA-124 197 Comment
  CDA32872  Erodium botrys CDFA Staff 1980-1 Amador Ione: Goose Hill 0 Comment
  HSC8497  Erodium botrys Eugene Andreuccetti 1964-4-25 22 Amador Shanondoah Valley, 2 mi. E of Plymoth on River Pine Rd. Comment
  POM127730  Erodium brachycarpum R. L. Pendleton 1907-3-21 536 Amador Saratoga. 152 Comment
  UCR253456  Erodium moschatum George K. Helmkamp 2014-4-5 22661 Amador Sierra Nevada Foothills, junction of Tonzi Road and CA-124, NE of Ione 201 Comment
  UCD126747  Eryngium castrense G. F. Hrusa; J. Hart 1996-5-27 12937 Amador Approx. 1/4 mile E of Jackson Valley Rd. and approx. 1/2 mile S of intersection with Old Stockton/Cook Rds. Sierra Nevada Foothills. 85 Comment
  CDA12940  Eryngium pinnatisectum G. F. Hrusa, J. Hart 1996-5-27 12936 Amador Sierra Nevada Foothills; Approx. 1/4 mile E of Jackson Valley Rd. and approx. 1/2 mile S of intersection with Old Stockton/Cook Rds. Comment
  LA33269  Eryngium pinnatisectum Robert F. Hoover; 1937-6-10 2404 Amador 4 mi. SW of Ione Comment
  UCD126864  Eryngium pinnatisectum G. F. Hrusa; J. Hart 1996-5-27 12937 Amador Approx. 1/4 mile E of Jackson Valley Rd. and approx. 1/2 mile S of intersection with Old Stockton/Cook Rds. Sierra Nevada Foothills. 85 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
  UCD115072  Erysimum perenne T. E. Weier 1940-7-25 s.n. Amador 2 miles south of Carson Spur. Comment
  SEINET8246438  Erythranthe bicolor D. W. McNeal 1988-5-28 3261 Amador above Hwy. #88, 1.1 mi. w. of Hams Station. Comment
  CAS-BOT-BC153884  Erythranthe inconspicua Rimo Bacigalupi; G. Thomas Robbins 1955-5-5 5016 Amador 0.4 mile north of Pardee Dam, on road to Buena Vista 198 Comment
  SEINET8360342  Erythranthe microphylla Christine C. Johnson 1987-3-11 1739 Amador Electra at Powerhouse, 8 miles se of Jackson along Mokelumne River. 213 Comment
  CAS-BOT-BC402633  Eschscholzia caespitosa Geo. Hansen 1893-5-1 1325 Amador Middle Fork 457 Comment
  UCR218202  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2010-5-31 16195 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 5.2 miles east of the village of Sutter Creek 451 Comment
  UCR235427  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2012-4-19 18794 Amador Northern Sierra Nevada Mountains Foothills, Bunker Hill Road at the junction with Fremont Mine Road, just north of Amador City 311 Comment
  CAS-BOT-BC402954  Eschscholzia californica Geo. Hansen 1893-1-1 s.n. Amador Stony Creek Comment
  CAS-BOT-BC402957  Eschscholzia californica Geo. Hansen 1895-5-1 1112 Amador Irishtown 548 Comment
  CAS-BOT-BC402959  Eschscholzia californica Geo. Hansen 1895-4-1 1059 Amador Mountain Springs 457 Comment
  RSA634970  Eschscholzia californica subsp. californica Michael A. Vincent 1999-6-12 8629 Amador Along CA Rt. 49, 1.6 miles south of Cosumnes River and El Dorado county line Comment
  SEINET10536531 Image available Eschscholzia hypecoides George Hansen 1896-4-11 Hansen 1596 Amador Amador County. Ione. 91 Comment
  SD197844  Eschscholzia lobbii G. K. Hemlkamp, E. A. Helmkamp 2007-4-23 11809 Amador Northern Sierra Nevada Mountains: junction of Tonzi Road and CA-124 about 7 miles north of Ione. 228 Comment
  UCR184972  Eschscholzia lobbii George K. Helmkamp, E. A. Helmkamp 2007-4-23 11809 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UCR88854  Eschscholzia lobbii Gladys L. Smith 1977-4-13 4656 Amador Sierra Nevada Mtns, About 4 miles north of Ione 457 Comment
  CAS-BOT-BC419490  Eschscholzia lobbii Brandegee 1889-6-1 s.n. Amador Ione Comment
  CAS-BOT-BC419495  Eschscholzia lobbii Gladys L. Smith 1977-4-13 4656 Amador About 4 miles north of Ione 457 Comment
  POM125826  Eschscholzia lobbii Geo. Hansen 1893-4-10 1309 Amador Sequoia gigantea region: Middle Fork 396 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
  CAS-BOT-BC438820  Euphorbia oblongata George K. Helmkamp; Mary Alice Barnes 2013-4-24 20387 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
  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
  CHSC67875  Eurybia integrifolia James D. Jokerst; Mary Sue Taylor 1988-8-20 3018 A Amador Shotrock Vista S and adjacent to Hwy.89. Comment
  UCR240732  Euthamia occidentalis George K. Helmkamp, E. A. Helmkamp 2012-9-1 19733 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-BC310641  Euthamia occidentalis Geo. Hansen 1893-10-1 778 Amador Foster's 1219 Comment
  UCR253586  Festuca microstachys var. pauciflora George K. Helmkamp 2014-4-5 22652 Amador Sierra Nevada Foothills, junction of Tonzi Road and CA-124, NE of Ione 201 Comment
  UCR187302  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
  UCR259887  Festuca perennis George K. Helmkamp, Elizabeth Helmkamp 2013-10-22 22453 Amador Sierra Nevada Mountains Foothills, Shenandoah Road, near Sobon Creek, 6.8 miles northeast of its junction with CA-49 in Plymouth 563 Comment
  SBBG34055  Festuca viridula T. L. Secrest 1950-8-17 Amador Silver Lake Comment
  UCR242572  Filago gallica George K. Helmkamp, E. A. Helmkamp 2011-6-17 17599 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 (115 deg. ) of Pioneer 652 Comment
  UCR253201  Foeniculum vulgare George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22133 Amador Sierra Nevada Mountains Foothills, city of Sutter Creek at the junction of Hanford St. and Spanish St. 384 Comment
  CAS-BOT-BC454522  Fragaria vesca subsp. californica Geo. Hansen 1893-6-1 291 Amador Aquaduct [Historic Town], Sequoia Region 914 Comment
  UCD112743  Frangula californica Terri Williamson 1990-4-28 22 Amador 2 miles south of Ione Hwy. 124. 91 Comment
  CAS-BOT-BC62926  Frangula californica subsp. tomentella Mary Strong Clemens 1920-9-13 s.n. Amador Jackson. Comment
  CAS-BOT-BC62927  Frangula californica subsp. tomentella unspecified 1893-6-1 s.n. Amador Sutter Creek. Comment
  UCD112764  Frangula californica subsp. tomentella Edwin A. Crosby 1952-5-4 31 Amador 3 miles south of Jackson on State Route 49. 457 Comment
  SFV8286  Fraxinus latifolia C. A. Huether, Jr. 1964-4-30 51 Amador Sacramento Valley About 3 miles southeast of Latrobe near Cosumnes River. 120 Comment
  UC1123376  Fraxinus latifolia G. T. Nordstrom 1936-3-3 786 Amador 1.4 mi ssw Sugarloaf; Jackson Quad. 182 Comment
  CAS-BOT-BC505281  Fritillaria micrantha D. E. Breedlove 1962-6-14 3636 Amador Along State Highway 88, 23 miles east of Pine Grove; Sierra Nevada 1645 Comment
  UCD110485  Galium aparine Christopher Mallek 2008-1 RP4- 35 Amador River Pines. 688 Comment
  CDA17003  Galium bifolium G. F. Hrusa, J. Glazner 2003-7-22 16082 Amador Sierra Nevada; Kirkwood Ski Resort. Slopes at base of ski runs. 2407 Comment
  RSA0012034  Galium bifolium George K. Helmkamp, E. A. Helmkamp 2011-8-6 18004 Amador Ellis Road, 0.2 miles south of its junction with CA-88. 2009 Comment
  UCR233262  Galium bifolium George K. Helmkamp, E. A. Helmkamp 2011-8-6 18004 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UC1143080  Galium bolanderi C. M. Belshaw 1936-7-12 2466 Amador 0.7 mi nw Blakely; Big Trees Quadrangle, Tiger Creek 1066 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
  POM313489  Galium nuttallii var. tenue P. C. Hutchinson 1962-4-28 2382 Amador Between Sutter Creek and Daffodil Hill. Along Gopher Gulch road near Rancheria Creek. 671 Comment
  UCR237277  Galium trifidum var. pacificum George K. Helmkamp, E. A. Helmkamp 2012-7-2 19299 Amador Northern Sierra Nevada Mountains, Bear River Road at the south end of the dam of Lower Bear River Reservoir 1774 Comment
  UCD66550  Gastridium phleoides Beecher Crampton 1966-5-3 7701 Amador Ca. 9.5 miles s.s.e. of Ione site of Lancha Plana. Comment
  SEINET10930367  Gastridium phleoides George Hansen 1894-1 Hansen 614 Amador Agricultural Station. 610 Comment
  UCR219046  Gayophytum George K. Helmkamp, E. A. Helmkamp 2010-7-13 16531 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  UCR234552  Gayophytum George K. Helmkamp, E. A. Helmkamp 2011-8-6 18013 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  HSC40756  Gayophytum diffusum R. York 1977-8-11 34 Amador Bear River Res., 65 mi. from Jackson on Hwy. 88 1829 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
  UCR189464  Gayophytum diffusum subsp. parviflorum George 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
  UCR233266  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2011-8-6 18005 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 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
  OBI5679  Gayophytum heterozygum Carl B. Wolf 1933-7-1 5139 Amador 17 mi E of Pine Grove on the Carson Pass Hwy 1524 Comment
  UCR219054  Gayophytum heterozygum George K. Helmkamp, E. A. Helmkamp 2009-9-15 15612 Amador Northern Sierra Nevada Mountains, south side of Bear River Reservoir, 0.1 mile east of the dam 1774 Comment
  SEINET3245624  Gayophytum humile G. K. Helmkamp, E. A. Helmkamp 2010-1 16527 Amador Northern Sierra Nevada Mountains; between the shore of Silver Lake and CA-88; lakeside rest stop area (Tragedy Spring 7.5') 2234 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
  UCR233193B  Genista monspessulana George K. Helmkamp, E. A. Helmkamp 2010-4-7 15844 Amador Northeast San Joaquin Valley/ lower Sierra Nevada Foothills, junction of CA-88 and CA-124, south of Ione 90 Comment
  UCR242313  Genista monspessulana George K. Helmkamp, E. A. Helmkamp 2011-6-17 17606 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
  POM76261  Gentiana newberryi Geo. Hansen 1893-10-1 707 Amador Silver Lake 2439 Comment
  UCR242784  Gentianopsis simplex George K. Helmkamp, E. A. Helmkamp 2010-9-1 16912 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
  CDA14202  Geranium carolinianum G. F. Hrusa, J. Hart, M. Tu 1997-4-26 13688 Amador Central Valley; N side of Michigan Bar Rd., ~1/2 mi. W of intersection of Twin Citites Rd. approx. 2 miles W of Ione nr. Sac. Co. boundary. Comment
  UCR250607  Geranium carolinianum George K. Helmkamp, Mary Alice Barnes 2013-4-24 20380 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
  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
  UCR253482  Geranium dissectum George K. Helmkamp 2014-4-5 22684 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
  SD233859  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
  UCD103420  Geranium molle G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10348 Amador Northern Sierra Nevada foothills: ESE of Sacramento; 3.2 mi. E of Pine Grove along CA Hwy 88. 841 Comment
  UCR184967  Geranium molle George K. Helmkamp, E. A. Helmkamp 2007-4-23 11804 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UCR208328  Geranium molle George K. Helmkamp, E. A. Helmkamp 2009-3-26 14473 Amador San Joaquin Valley, along CA-88, 0.4 mile northeast of the San Joaquin Co. line 81 Comment
  SD244198  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2012-6-26 19272 Amador Northern Sierra Nevada Mountain: 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 (Peddler Hill 7.5'Q) 1616 Comment
  RSA0012222  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2011-5-10 17247 Amador along Sutter Creek near Sutter Creek Rd., 2.9 air miles NE (68 deg.) of town of Sutter Creek 412 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
  SEINET11265854  Gilia capitata subsp. pedemontana George Helmkamp, E. A. Helmkamp 2011-5-10 17247 Amador Northern Sierra Nevada Mountains Foothills: along Sutter Creek near Sutter Creak Rd., 2.9 air miles NE (681/4) of town of Sutter Creek (Amador City 7.5' Q.); 0 411 Comment
  UC1123751  Gilia capitata subsp. pedemontana R. D. Roseberry 1935-5-2 128 Amador s side Buena Vista Pk.; Jackson Quad. 228 Comment
  UCR197333  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2008-5-8 13426 Amador Sierra Nevada Mountains Foothills, along CA-26, 1.0 mile west of the Calaveras County line 709 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
  RSA752645  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2008-6-23 13715 Amador Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 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
  JEPS85983  Gilia tricolor subsp. diffusa W. L. Jepson 1929-4-29 15253 Amador Willow Sprs sta Willow Sprs sta. 198 Comment
  RSA0070099  Gilia tricolor subsp. diffusa George K. Helmkamp, Amy Barnes 2014-5-8 22835 Amador Tonzi Road, 0.4 mile east of its junction with CA-124, 4.5 air miles 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
  UC1123842  Gilia tricolor subsp. diffusa G. T. Nordstrom 1936-4-24 751 Amador 1.1 mi wsw Bisbee Peak; Jackson Quad., wsw of Bisbee Peak Comment
  UCD117971  Gilia tricolor subsp. diffusa G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11808 Amador Foothills, Northern Sierra Nevada Mountains junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione. 229 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
  UCD112590  Githopsis Christopher Mallek 2008-4-30 RP2- 2 Amador River Pines. 688 Comment
  CAS-BOT-BC266543  Githopsis pulchella Geo. Hansen 1893-5-1 33 Amador Agrc Station 609 Comment
  SBBG69594  Githopsis pulchella L. Constance 1941-5-27 2819 Amador S fork of Jackson Crk, 4 mi below Clinton 457 Comment
  CAS-BOT-BC266551  Githopsis pulchella G. L Smith 1959-5-17 1100 Amador At Pinegrove 701 Comment
  JEPS5532  Githopsis pulchella subsp. pulchella Lincoln Constance 1941-5-27 2819 Amador 4 mi below Clinton; Sierra Nevada Foothills, South Fork of Jackson Creek 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
  SEINET2441345  Gnaphalium canescens subsp. beneolens George K. Helmkamp, E. A. Helmkamp 2009-8-6 15405 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 (Peddler Hill 7.5' Q.). 1590 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
  POM39105  Gnaphalium chilense Geo Hansen 1895-8-10 1410 Amador Pinegrove 671 Comment
  CAS-BOT-BC302463  Gnaphalium palustre Ernest Braunton 1904-6-1 1068 Amador Ione, along Sutter Creek Comment
  JEPS13550  Gnaphalium palustre Rimo Bacigalupi with G. T. Robbins 1955-5-22 5172 Amador on road to Buena Vista corners 1.6 mi due s of Ione (openings in thin stand of chaparral close to vernal pool) 91 Comment
  UC912258  Gnaphalium palustre Herbert L. Mason 1933-9-2 7278 Amador Silver Lake Sierra Nevada, Silver lake Comment
  POM292491  Gnaphalium palustre Lyman Benson 1931-8-24 2858 Amador Silver Lake; Sierra Nevada Mt. Range. 2287 Comment
  CAS-BOT-BC123816  Godetia hansenii George Hansen 1895-7-1 1090 Amador Ham's 1524 Comment
  CDA6074  Grindelia camporum T. C. Fuller 1963-6-5 10581 Amador North of junction of Highways 49 & 16, 1 mile north of Drytown. 0 Comment
  UCD132553  Grindelia camporum G. K. Helmkamp; Elizabeth A. Helmkamp 2006-6-29 10809 Amador Northern Sierra Nevada: northbound along Highway CA-26, 0.6 mile past the North Fork of Mokelumne River. 732 Comment
  CAS-BOT-BC305290  Grindelia hirsutula Geo. Hansen 1915-7-1 172 Amador Agr. Station 609 Comment
  CAS-BOT-BC305295  Grindelia hirsutula C. A. G. 1903-6-6 s.n. Amador Near Plymouth Comment
  UC1118565  Grindelia hirsutula G. T. Nordstrom 1936-5-22 799 Amador 4 mi ne Sutter Creek City; Jackson Quad. Comment
  UC1118579  Grindelia hirsutula P. L. Johannsen 1937-7-9 1211 Amador 3 mi nnw West Point; Jackson Quad. Comment
  UC32142  Grindelia hirsutula Geo. Hansen 1890-1 Amador Sequoia Gigantea Region Comment
  UC726707  Grindelia hirsutula A. A. Heller 1941-5-10 16116 Amador in gravel along road 2 mi w of Ione Comment
  UC897045  Grindelia hirsutula Carl B. Wolf 1933-5-24 4932 Amador 0.5 mi e of Ione (w slope Sierra Nevada); Sierra Nevada 137 Comment
  RSA779439  Grindelia nana George K. Helmkamp, E. A. Helmkamp 2010-6-23 16364 Amador Rams Horn Grade, 1.8 rd. miles northeast of Volcano at the junction with Sutter Creek Road 730 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
  RSA77826  Hackelia nervosa H. E. McMinn 1932-7-21 2945 Amador Trail Thimble Peak. Comment
  CDA40622  Hackelia velutina W. E. Simonds 1960-6-26 s.n. Amador Highway 88, midway between Pioneer and Silver Lake. Comment
  RSA115685  Hainardia cylindrica Beecher Crampton 1957-5-28 4087 Amador Near King Store, 1 mile south of Carbondale, 5.1 miles northwest of Ione Comment
  UCD85143  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
  UCR253239  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
  RSA293545  Helenium puberulum C. W. Tilforth, John Dourley 1979-7-23 1866 Amador About 1 mile south of Ione along Hwt 104, at railroad crossing. Comment
  CAS-BOT-BC223911  Helianthemum scoparium R. F. Hoover 1968-5-29 11141 Amador 2 mi. s. of Ione Comment
  CAS-BOT-BC223914  Helianthemum scoparium John Thomas Howell 1960-11-10 36471 Amador Near Ione Comment
  CDA36607  Helianthemum scoparium T. C. Fuller 1962-6-28 9055 Amador Highway 88 to Martell, 2 miles south of Ione. 0 Comment
  SEINET4853191  Helianthemum suffrutescens B. O. Schreiber 1936-5-23 2243 Amador 5.5 mi. SW Bisbee Peak. 152 Comment
  SEINET2443008  Helianthus annuus George K. Helmkamp, E. A. Helmkamp 2009-8-24 15527 Amador Northern San Joaquin Valley: Carbondale Road, 1.2 miles south of its junction with Lambert Road (Irish Hill). 101 Comment
  UCR209581  Helianthus annuus George K. Helmkamp, E. A. Helmkamp 2009-8-24 15527 Amador Northern San Joaquin Valley, Carbondale Road, 1.2 miles south of its junction with Lambert Road 101 Comment
  UCR53357  Helianthus annuus 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
  UC193476  Helianthus bolanderi Geo. Hansen 1893-7-1 408 Amador Foster Sequoia Region, Foster 1219 Comment
  CAS-BOT-BC305596  Helianthus californicus Geo. Hansen 1893-8-1 785 Amador Else's [Else] Creek 914 Comment
  UC1597345  Hemizonella minima K. Brandegee 1886-5-25 Amador Volcano Comment
  CAS-BOT-BC314959  Hemizonella minima Geo. Hansen 1893-7-1 413 Amador Agr. Station 609 Comment
  CAS-BOT-BC314961  Hemizonella minima D. E. Breedlove; M. Bourell; R. Patterson 1986-6-9 62824 Amador Above Ham Sattion on W slope of Carson Pass 1980 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
  UCR179793  Hemizonia fitchii George K. Helmkamp, E. A. Helmkamp 2006-10-6 11475 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 1.1 miles south of Plymouth 314 Comment
  UCR241998  Hemizonia fitchii George K. Helmkamp, E. A. Helmkamp 2012-9-7 19765 Amador Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of the junction with Fiddletown Road at Plymouth 299 Comment
  POM56204  Hemizonia fitchii Michener, Bioletti 1893-08 s.n. Amador Jackson. Comment
  CAS-BOT-BC310132  Hesperevax acaulis H. L. Mason 1932-4-24 6981 Amador Three miles south of Ione Comment
  UC672275  Hesperevax acaulis var. acaulis H. L. Mason 1932-4-24 6981 Amador 3 mi s Ione Comment
  JEPS11790  Heterocodon rariflorum W. L. Jepson 1929-4-29 15244 Amador 1 mi s Willow Springs station (Sacramento-Jackson road) 198 Comment
  RSA795034  Heterocodon rariflorum George K. Helmkamp, E. A. Helmkamp 2011-8-6 17971 Amador Ellis Road, 2.1 miles south of its junction with CA-88. 1794 Comment
  CDA17156  Heteromeles arbutifolia G. F. Hrusa, J. Glazner 2001-6-7 15869 Amador Ione Region; Sutter Ione Rd. 0.6 mi. E of Hwy 124 and +/- 3-4 mi. N of Ione. 213 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
  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-BC310251  Heterotheca John Thomas Howell 1954-9-5 30035 Amador Near Ione 91 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
  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
  UCR242793  Hieracium albiflorum George K. Helmkamp, E. A. Helmkamp 2010-9-1 16916 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
  CAS-BOT-BC319752  Hieracium argutum Geo. Hansen 1893-7-1 1161 Amador Crow Point 457 Comment
  SEINET3828503  Hoita orbicularis George K. Helmkamp, E. A. Helmkamp 2010-1 16998 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road, 2.5 miles NW ( 258 degrees0 of Volcano ( Pine Grove 7.5') 692 Comment
  UC82432  Hoita orbicularis Geo. Hansen May 1892 4 Amador Agr. Station Sequoia Region (= Jackson) 609 Comment
  CAS-BOT-BC320293  Holocarpha virgata Ernest Braunton 1904-7-1 1163 Amador Preston School of Industry, Waterman. Preston School Grounds 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
  JEPS12616  Holocarpha virgata subsp. virgata R. F. Hoover 1937-6-10 2410 Amador 3 mi w Ione Comment
  UC762743  Holocarpha virgata subsp. virgata R. F. Hoover 1938-7-30 3706 Amador 4 mi sw of Jone Comment
  UCR209570  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 314 Comment
  UCR248383  Holocarpha virgata subsp. virgata George K. Helmkamp, Elizabeth Helmkamp 2013-9-13 22296 Amador Northern Sierra Nevada Mountains Foothills, Fiddletown Road, 1.4 miles southeast of Fiddletown 588 Comment
  UC12329  Holodiscus discolor Geo. Hansen Amador Bear Valley Comment
  UCR188714  Holodiscus microphyllus var. microphyllus George K. Helmkamp, E. A. Helmkamp 2007-7-17 12515 Amador Northern Sierra Nevada Mountains, along CA-88, 0.7 mile north of its junction with Mormon Emigrant Trail; Shot Rock trailhead 2325 Comment
  UC596609  Holozonia filipes Ernest Braunton 1904-6-1 1052 Amador vicinity of Ione 60 Comment
  CAS-BOT-BC311877  Holozonia filipes Geo. Hansen 1892-9-1 369 Amador Sutter Ridge 609 Comment
  CAS-BOT-BC311879  Holozonia filipes Ernest Braunton 1904-6-1 1052 Amador Along Sutter Creek Comment
  SEINET7072511  Hordeum brachyantherum 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
  CAS-BOT-BC280872  Hordeum brachyantherum subsp. brachyantherum Geo. Hansen 1895-5-1 1068 Amador Jackson Gate 457 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
  SEINET3271547 Image available Hordeum murinum George K. Helmkamp, E. A. Helmkamp 2007-4-5 11747 Amador Foothills, Northern Sierra Nevada Mountains; along CA-49, 0.2 mile west of Amador City 309 Comment
  UCD86227  Hordeum murinum G. K. Helmkamp; E. A. Helmkamp 2007-4-5 11747 Amador Northern Sierra Nevada Mountains: along CA-49, 0.2 miles W of Amador City. 309 Comment
  RSA750428  Horkelia californica George K. Helmkamp, E. A. Helmkamp 2008-9-28 14165 Amador Sutter Creek Rancho Road on the north side of CA-88 and 4.2 miles southwest of the junction of CA-88 and CA-49 287 Comment
  UCR201541  Horkelia californica George K. Helmkamp, E. A. Helmkamp 2008-9-28 14165 Amador Foothills, northern Sierra Nevada Mountains, Sutter Creek Rancho Road on the north side of CA-88 and 4.2 miles southwest of the junction of CA-88 and CA-49 287 Comment
  UCD113499  Horkelia fusca Mrs. Flora Hayes 1936-7-4 s.n. Amador Silver Lake. Comment
  CAS-BOT-BC144073  Horkelia parryi Robert F. Hoover 1937-6-10 2421 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
  JEPS12987  Horkelia parryi Rimo Bacigalupi with G. T. Robbins 1955-5-6 5034 Amador Heath-like mesa above old quarry just e Ione Comment
  JEPS79107  Horkelia parryi L. R. Heckard 1980-5-18 5200 Amador s of Ione (s of Manzanita Hill, along Highway 88); Highway 88 106 Comment
  POM199446  Horkelia parryi H. L. Mason 1932-4-24 6978 Amador 3 miles S of Ione Comment
  POM224392  Horkelia parryi E. Crum 1936-4-12 1752 Amador 2 miles S of Ione on Ione-Jackson Hwy Comment
  POM34030  Horkelia parryi Geo. Hansen 1894-07 741 Amador Ione. 91 Comment
  RSA13747  Horkelia parryi E. Crum 1936-4-12 1752 Amador 2 miles S of Ione on Ione-Jackson Hwy Comment
  RSA191765  Horkelia parryi Robert F. Thorne, Percy C. Everett 1964-4-16 33748 Amador 2 miles NE of Buena Vista, 5 miles SE of Ione Comment
  RSA789654  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
  SJSU8665  Horkelia parryi C. W. Sharsmith 1980-5-18 8383 Amador 2.5 mi S of Ione Comment
  UC114281  Horkelia parryi Geo. Hansen 1892-7-7 292 Amador Sequoia Region; Silver Lake 2438 Comment
  UC114290  Horkelia parryi C. C. Parry Apr 1888 Amador Ione Comment
  UC1221005  Horkelia parryi Beecher Crampton 1963-4-23 6728 Amador 2.5 mi s Ione (Buena Vista Rd) Comment
  UC555628  Horkelia parryi H. L. Mason 1932-4-24 6978 Amador 3 mi s Ione Comment
  UC632736  Horkelia parryi Ethel Crum 1931-5-17 1104 Amador 2 mi s Ione 152 Comment
  UCD13296  Horkelia parryi Robert Robichaux 1975-5-3 82 Amador Amador CO. Ione Barrens. State Highway 88, 0.5 mile east of junction with State Highway 104. 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
  UCR197651  Horkelia tridentata subsp. tridentata George K. Helmkamp, E. A. Helmkamp 2008-6-9 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
  CAS-BOT-BC536244  Horkelia tridentata var. tridentata Carl B. Wolf 1933-5-24 4911 Amador 11 1/2 miles east of Pine Grove on Carson Pass Highway, west slope Sierra Nevada 1219 Comment
  CAS-BOT-BC536247  Horkelia tridentata var. tridentata D. E. Breedlove 1983-5-31 58777 Amador 5 miles above Fiddletown 1219 Comment
  UCD106182  Hosackia oblongifolia var. oblongifolia G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12757 Amador Northern Sierra Nevada Mountains, along the south side of Bear River Reservoir just east of the spillway. 1777 Comment
  UCD106186  Hosackia stipularis Roman Gankin 1955-5-22 68 Amador off US Hwy 104, 1 mi. north of Buena Vista. Comment
  UCD18577  Hosackia stipularis Roman Gankin 1955-5-22 68 Amador off US Hwy 104, 1 mi. north of Buena Vista. Comment
  CAS-BOT-BC410194  Hypericum concinnum R. F. Hoover 1968-5-29 11142 Amador 2 mi. S of Ione Comment
  OBI13998  Hypericum concinnum Robert F. Hoover 1968-5-29 11142 Amador 2 mi S of Ione Comment
  SEINET7067453  Hypericum concinnum 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
  UC1122097  Hypericum concinnum G. T. Nordstrom 1936-5-2 777 Amador 3 mi. n.-n.w. Churchbell Hill; Jackson Quad. Comment
  UC66912  Hypericum concinnum Ernest Braunton June 1904 1003 Amador vicinity of Ione 60 Comment
  UCD19829  Hypericum concinnum C. H. Lamoureux; J. McCaskill and R. Gankin 1956-5-2 1075 Amador 2 miles south of Ione. Comment
  CAS-BOT-BC410197  Hypericum concinnum I. A. S. 1903-6-8 150 Amador Near Plymouth Comment
  CAS-BOT-BC410199  Hypericum concinnum John Thomas Howell 1954-5-18 29790 Amador 2 miles N of Buena Vista 91 Comment
  RSA6189  Hypericum concinnum C. B. Wolf 1933-5-24 4931 Amador 0.7 mile E. of Ione. 137 Comment
  UCR258137  Hypericum perforatum George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-8-4 19566 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-BC401298  Hypericum scouleri Geo. Hansen 1893-5-1 699 Amador New York Falls. Agrc. Station 609 Comment
  UCR218189  Hypochaeris glabra George K. Helmkamp, E. A. Helmkamp 2010-5-31 16159 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-BC312922  Hypochaeris glabra Ernest Braunton 1904-8-1 1213 Amador Preston School of Industry, Waterman. School Grounds Comment
  UC65441  Hypochaeris glabra Ernest Braunton 1904-10-1 1249 Amador 60 Comment
  UCR173652  Hypochaeris radicata George K. Helmkamp, Elizabeth Helmkamp 2006-4-7 10156 Amador Northern Sierra Nevada Foothills, ESE of Sacramento; 1.0 mi south of Plymouth along Calif. Hwy 49 326 Comment
  UC69919  Ipomopsis aggregata Earle Mulliken Jul 27 1904-Aug 5 1904 116 Amador Silver Lake Sierra Nevada 2194 Comment
  UC52709  Ipomopsis aggregata Geo. Hansen 434 Amador 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
Read comments
May 8 2017
  SJSU15807  Ipomopsis congesta Lars Rosengreen 2014-8-5 Amador Ridge between Thunder Mountain and Martin's Peak, Eldorado National Forest. 2771 Comment
  CAS-BOT-BC133544  Iris hartwegii Geo. Hansen 1893-7-1 50 Amador Agrc. Station 609 Comment
  UC844892  Iris hartwegii Carl B. Wolf 1933-5-24 Amador 0.4 mi s Pine Grove (w slope of Sierra Nevada); Sierra Nevada 762 Comment
  CAS-BOT-BC133547  Iris hartwegii E. Cannon 1893-6-1 s.n. Amador unspecified Comment
  RSA7289  Iris hartwegii Carl B. Wolf 1933-6-30 5132 Amador 0.4 miles south of Pine Grove, west slope Sierra Nevada 762 Comment
  SD40718  Iris hartwegii Carl B. Wolf 1933-5-24 4929 Amador West slope, Sierra Nevada, 4/10 mile south of pine grove. 762 Comment
  SEINET8752743  Iris hartwegii R. Mills 1956-4-18 975 Amador 1 mile north of Jackson Comment
  UCSB23749  Iris hartwegii Breedlove, Dennis 1962-6-14 Amador along State Highway 88; 14.6 miles east of Pine Grove Sierra Nevada 1280 Comment
  UCR218206  Iris hartwegii subsp. columbiana George K. Helmkamp, E. A. Helmkamp 2010-5-31 16199 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, about 8 miles east of the village of Sutter Creek 457 Comment
  CDA19207  Isatis tinctoria R. Farnham 2001-4-3 PDR P 097877 Amador Sierra Nevada; At old feed store, Plymouth. 0 Comment
  CAS-BOT-BC57770  Isoetes John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-8-10 54426 Amador Small lake on Carson Pass road just w. of Carson Spur near Kirkwood. 2407 Comment
  JEPS89841  Isoetes bolanderi Dean William Taylor 1971-8-9 1113 Amador Hwy. 88 in small pond at Carson Spur 2438 Comment
  CAS-BOT-BC340238  Jensia rammii M. K. Curran 1886-5-1 s.n. Amador Unspecified Comment
  UC194518  Jensia rammii M. K. Curran 1886-5-25 Amador Comment
  CAS-BOT-BC47580  Jepsonia heterandra Alice Eastwood 1921-3-18 10071 Amador Ione Comment
  UCR10207  Jepsonia heterandra C. M. Belshaw 1935-12-1 213 Amador 1 mi east of Jacksonville 335 Comment
  SD240768  Juglans hindsii G. K Helmkamp, E. A. Helmkamp 2009-10-11 15679 Amador Sacramento Valley/Sierra Nevada Foothills: Willow Creek Road must south of its junction with CA-16, 3.3 miles SW (235a^z) of Plymouth (Irish Hill 7.5'Q) 192 Comment
  UCR209574  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
  RSA781324  Juncus George K. Helmkamp 2008-6-17 13683 Amador Bear River Reservoir Road along the south side of Bear River Reservoir 1797 Comment
  SEINET239035  Juncus Beecher Crampton 1975-8-27 9257 Amador 1.5 miles south of Ione on Hwy. 124. Comment
  UCD34008  Juncus Beecher Crampton 1975-8-27 9257 Amador Amador County, 1.5 miles south of Ione on Hwy. 124. Comment
  SEINET6173887  Juncus B. Crampton 1975-9-4 9266 Amador 1.5 miles south of Ione on Highway 124 Comment
  RSA201754  Juncus bufonius James R. Brownell 1967-5-4 s.n. Amador State Highway 104, ca. 5 miles west of Ione. 76 Comment
  UC1601719  Juncus bufonius var. occidentalis Geo. Hansen 1892-1 627 a Amador near Jackson Comment
  UC1601748  Juncus chlorocephalus Geo. Hansen 1892-7-1 59 C Amador Silver Lake 2438 Comment
  UC65932  Juncus effusus subsp. pacificus Ernest Braunton Jun 1904 1049 Amador vicinity Ione 60 Comment
  UCR219070  Juncus effusus subsp. pacificus George K. Helmkamp, E. A. Helmkamp 2009-9-15 15620 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 Reservoir 1622 Comment
  SEINET4691388  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2010-1 16869 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
  UCD141464  Juncus exiguus G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12886 Amador Northern Sierra Nevada Mountains: along CA-88 at Mile-49, 3.1 miles east of Hams Station. 1860 Comment
  SDSU1870  Juniperus occidentalis Helen L. Dale 1929-7-30 568 Amador Carson Spur. 2469 Comment
  UC511344  Juniperus occidentalis Lyman Benson 1931-8-23 2842 Amador Silver Lake Sierra Nevada 2286 Comment
  SEINET10891892  Juniperus occidentalis George Hansen Hansen 241 Amador [Tragedy] Springs 2400 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
  UC1614085  Keckiella breviflora var. breviflora Charles M. Belshaw 1935-5-30 871 Amador Vicinity of Jackson. Sierra Nevada foothills, west slope. Comment
  NY790186  Keckiella breviflora var. glabrisepala H. T. Edwards 05 1878 s.n. Amador Sutter Creek Comment
  POM284294  Kelloggia galioides Lyman D. Benson 1931-8-24 2863 Amador Silver Lake. Sierra Nevada mtn range. 2287 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
  CAS-BOT-BC274274  Lachnagrostis filiformis Beecher Crampton 1957-5-28 4082 Amador 2 miles south of Ione Comment
  UCR253567  Lamium amplexicaule George K. Helmkamp 2014-4-5 22683 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
  SD237334  Lapsana communis G. K. Helmkamp, E. A. Helmkamp 2010-6-23 16343 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
  SEINET7096788  Lasthenia californica A. G. Vestal 1955-4-3 3648 Amador Serpentine ca. 7 miles north of Ione on Route 104. NAD27, 38.3845? deg. , -121.0512?_ (converted to WGS84) UTM Zone 10, 670215mE, mN, 4250070,mN. Comment
  UCR253467  Lasthenia californica George K. Helmkamp 2014-4-5 22651 Amador Sierra Nevada Foothills, junction of Tonzi Road and CA-124, NE of Ione 201 Comment
  CAS-BOT-BC337903  Lasthenia californica Geo. Hansen 1895-4-1 1040 Amador Lancha Plana 91 Comment
  JEPS10070  Lasthenia californica subsp. californica W. L. Jepson 1938-4-14 18671 Amador Jackson Valley Comment
  UCD133659  Lasthenia californica subsp. californica Beecher Crampton 1975-4-16 9153 Amador southwest portion of county along Highwya 88. Rancho Arroyo Seco. Comment
  CAS-BOT-BC352919  Lasthenia glaberrima H. L. Mason 1928-5-3 4474 Amador Hills near Carbondale Comment
  CDA4148  Lathyrus cicera L. Brown 1963-6-18 Amador About 5 miles northeast of Jackson, old University of California Experiment Station. 0 Comment
  POM29220  Lathyrus nevadensis subsp. nevadensis Geo. Hansen 1893-4-27 6 Amador Irishtown 457 Comment
  RSA6177  Lathyrus nevadensis subsp. nevadensis Carl B. Wolf 1933-5-24 4949 Amador 4.8 miles abvoe Pine Grove on Carson Pass Highway. 854 Comment
  UC15344  Lathyrus nevadensis var. nevadensis Geo. Hansen 1891-1 Amador Comment
  UC192955  Lathyrus nevadensis var. nevadensis Geo. Hansen Mar 1892 6 Amador New York Falls, Agrc. Station Sequoia Region 609 Comment
  UC1128979  Lathyrus sulphureus G. T. Nordstrom 1936-6-6 826 Amador 3.6 mi nw Pine Grove; Jackson Quad. 792 Comment
  UC15354  Lathyrus sulphureus Geo. Hansen 1891-1 Amador Comment
  UCD106440  Lathyrus sulphureus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10325 Amador Northern Sierra Nevada foothills: Climax Road southwest of Pine Grove, 0.1 mile west of Hwy CA-88. 701 Comment
  UCR198495  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2008-5-4 13395 Amador Sierra Nevada Mountains Foothills, along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir 774 Comment
  UC1069712  Layia fremontii G. T. Nordstrom 1936-4-19 725 Amador .8 mi n Plymouth; Jackson Quadrangle Comment
  SEINET3147921  Layia pentachaeta subsp. pentachaeta J. L. Strother, A. R. Smith 1970-5-3 924 Amador Near Hwy 49, 1 mi N of Calaveras Co. boundary 427 Comment
  UC73970  Layia pentachaeta subsp. pentachaeta Geo. Hansen 1893-4-1 411 Amador Fisher's Cabin Mokelumne River 365 Comment
  RSA0081177  Leersia oryzoides George K. Helmkamp, E. A. Helmkamp 2006-10-6 11470 Amador Along Calif. Hwy 49 beside Big Indian Creek; 2.2 miles south of El Dorado County line. 271 Comment
  CAS-BOT-BC534375  Lemna minuta Geo Hansen 1893-7-7 481 Amador Sequoia Region, New York 609 Comment
  CDA36242  Leontodon taraxacoides G. K. Helmkamp, E. A. Helmkamp 2007-4-23 11795 Amador Foothills, Northern Sierra Nevada Mountains; Along Calif. Hwy 124, 0.25 mile from its junction with Hwy 16. Comment
  UCR183106  Leontodon taraxacoides George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10335 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  UCR185226  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2007-4-23 11795 Amador Foothills, Northern Sierra Nevada Mountains, along Calif. Hwy 124, 0.25 mile from its junction with Hwy 16 252 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
  UCR241981  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2012-9-7 19789 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
  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
  UC1124461  Lepechinia calycina C. M. Belshaw 1936-6-29 2406 Amador 2 1/2 miles NW of Volcano 822 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
  UC117639  Lepidium nitidum K. Brandegee Apr 1889 Amador Ione Comment
  UCR171044  Lepidium nitidum var. nitidum George K. Helmkamp, E. A. Helmkamp 2006-3-19 10084 Amador Northern Sierra Nevada Foothills, Along Calif. Highway 49 just south of Plymouth 323 Comment
  CAS-BOT-BC12881  Lepidium strictum Geo. Hansen 1892-4-1 577 Amador Sequoia Region. Agricultural Station. 609 Comment
  CAS-BOT-BC12882  Lepidium strictum Alice Eastwood 1921-3-19 10106 Amador Ione. Comment
  UCR237094  Lepidium virginicum var. virginicum George K. Helmkamp, E. A. Helmkamp 2012-7-14 19403 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
  UCR259883  Leptochloa fascicularis George K. Helmkamp, Elizabeth Helmkamp 2013-10-22 22450 Amador Sierra Nevada Mountains Foothills, Shenandoah Road, near Sobon Creek, 6.8 miles northeast of its junction with CA-49 in Plymouth 563 Comment
  UC23415  Leptodactylon pungens Geo. Hansen 1892-1 Amador Bear Valley Comment
  JEPS71324  Leptodactylon pungens Gladys L. Smith 1962-7-10 1675 Amador Kit Carson Pass Silver Lake (Silver Lake); , Silver Lake 2499 Comment
  RSA517894  Leptosiphon ciliatus D. E. Breedlove 1986-6-9 62827 Amador Above Ham Station on W slope of Carson Pass. 1980 Comment
  POM90207  Leptosiphon montanus Geo Hansen 1895-5-10 1278 Amador New York Falls. 457 Comment
  RSA122097  Leptosiphon montanus G. T. Nordstrom 1936-4-24 743 Amador 0.6 mile SSE of Bisbee Peak. Jackson. 244 Comment
  CAS-BOT-BC339578  Lessingia leptoclada Mary Strong Clemens 1920-9-11 s.n. Amador Pine Grove Comment
  CAS-BOT-BC339584  Lessingia leptoclada Mary Strong Clemens 1920-9-11 s.n. Amador Pine Grove Comment
  UC579511  Lessingia leptoclada J. A. Rutter 1934-9-11 23 Amador 3 1/2 mi ssw Mokelumne Peak; Pyramid Pk Quadrangle 1417 Comment
  UCR136851  Lessingia leptoclada Beecher Crampton 1954-8-3 2238 Amador Northern Sierra Nevada Foothills, Clinton Peak, east slope, 0.5 mile north of Clinton 671 Comment
  UCR240662  Lessingia leptoclada George K. Helmkamp, E. A. Helmkamp 2012-10-5 19985 Amador Northern Sierra Nevada Mountains Foothills, Fiddletown Road, 1.3 miles west of its junction with Shake Ridge Road 941 Comment
  CAS-BOT-BC339581  Lessingia leptoclada Geo. Hansen 1893-10-1 781 Amador Foster's 1219 Comment
  POM40851  Lessingia leptoclada Geo. Hansen 1893-9-1 165 Amador New York Falls, Sequoia gigantea region 457 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
  SEINET10474775  Lessingia leptoclada Mary Susan Taylor, James D. Jokerst 1988-8-19 Taylor 5912 Amador Along Hwy 4, just E of Avery. Red Fir Forest. Comment
  SEINET9333403  Lessingia leptoclada Unknown 1954-8-3 2251 Amador 1.5 mi N of Clinton. W slope of Clinton Peak. Common at the edges of chaparral and along rd. Comment
  UC65510  Lessingia nana Ernest Braunton July 1904 1157 Amador vicinity Ione 60 Comment
  UC761930  Lessingia nana R. F. Hoover 1938-7-30 3707 Amador 3 mi sw Ione Comment
  UC196073  Ligusticum grayi Geo. Hansen Oct 1893 901 Amador Silver Lake Sequoia Region, Silver Lake 2438 Comment
  UCD127554  Ligusticum grayi G. 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
  CAS-BOT-BC130560  Lilium humboldtii Geo. Hansen 1893-7-1 594 Amador Pine Grove 762 Comment
  UC69675  Lilium washingtonianum subsp. washingtonianum Earle Mulliken Jul 27 1904-Aug 5 1904 130 Amador Silver Lake; Sierra Nevada Mountains Comment
  CAS-BOT-BC110606  Limnanthes John Thomas Howell 1969-4-21 45530 Amador Sierra Nevada. Jackson. 365 Comment
  JEPS19588  Limnanthes alba subsp. alba M. K. Curran May 1886 Amador Comment
  UC109407  Limnanthes alba subsp. versicolor Brandegee April, 1889 Amador Ione Comment
  UC614567  Limnanthes alba subsp. versicolor L. Constance, J. L. Morrison 1938-4-29 2164 Amador 0.6 mi s Plymouth; Sierra Nevada 457 Comment
  UC971850  Limnanthes alba subsp. versicolor Charles T. Mason Jr. 1949-5-11 1183 Amador 13 mi w Jackson (near an irrigation ditch along State Hwy 16) Comment
  UC109400  Limnanthes alba subsp. versicolor Geo. Hansen Apr 1895 739 Amador Mountain Springs Sequoia Region 304 Comment
  UC109405  Limnanthes alba subsp. versicolor Geo. Hansen May 1895 1107 Amador Armstrong Stat'n Sequoia Gigantea Region 1524 Comment
  POM86005  Limnanthes alba var. detonsa Geo. Hansen 1894-5-1 739 Amador Stoney Creek. 305 Comment
  CHSC67562  Limnanthes striata James D. Jokerst 1991-4-13 3237 Amador Swale W and adjacent to Hwy. 49 1.4 mi N of Plymouth. Other populations noted in Plymouth, south part. Comment
  POM311129  Limnanthes striata Charles T. Mason Jr. 1948-4-24 1147 Amador Field on south side of State Highway 16. 0.5 mile east of junction of Highways 16 and 104. 122 Comment
  UC971900  Limnanthes striata Charles T. Mason Jr. 1948-4-24 1147 Amador State Hwy 16 0.5 mi e junction with Highway 104 (ditch in field on s side of hwy) 121 Comment
  UC1123975  Linanthus bicolor R. D. Roseberry 1935-4-17 45 Amador 2.5 mi nw Buena Vista; Jackson Quad. 91 Comment
  SEINET11266055  Linanthus ciliatus George Helmkamp, E. A. Helmkamp 2012-6-26 19279 Amador Northern Sierra Nevada Mountains: Panther Creek Road, 4.1 miles south of its junction with CA-88/Carson Pass Hwy. and W of Lower Bear Reservoir (Peddler Hill 7.5; Q.); 0 1518 Comment
  UCR233405  Linanthus ciliatus George K. Helmkamp, E. A. Helmkamp 2011-8-6 17958 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UCR136850  Linanthus liniflorus Beecher Crampton 1960-6-6 5558 Amador Northern Sierra Nevada Foothills, 3.5 miles west of Plymouth 213 Comment
  SEINET3163734  Linanthus montanus J. L. Strother, A. R. Smith 1970-5-3 927 Amador near Highway 49, 1 mile north of Calaveras County boundary 427 Comment
  SDSU10677  Lindernia anagallidea D. F. Howe 1961-8-9 3141 Amador 1.3 miles south of El Dorado - Amador Co. line on #49. 244 Comment
  SEINET1910065  Lindernia dubia Barbara Ertter, Fosiee Tahbaz 1990-1 9691 Amador sw Amador Co.: Camanche Reservoir NE of Stockton, North Shore public access. 61 Comment
  JEPS47494  Lithophragma affine W. L. Jepson 1938-4-14 18668 Amador Ione Comment
  SEINET7072666  Lithophragma affine A. G. Vestal 1963-5-5 s.n. Amador About 1.7 miles north of Fiddletown south of Big Indian Creek. UTM Zone 10, 695427mE, 4265726mN. Coordinate datum: NAD 27. 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
  UC1118415  Logfia gallica H. S. Yates 1935-4-24 5139 Amador 1.5 mi s Ione; Jackson Quad. 106 Comment
  UC38798  Lolium temulentum Geo. Hansen 1896-7-8 1716 Amador Sequoia Region, Agrc. Station 609 Comment
  UCR238603  Lomatium caruifolium George K. Helmkamp, E. A. Helmkamp 2012-3-22 18638 Amador Northern Sierra Nevada Mountains Foothills, Bell Road, 0.2 mile east of its junction with CA-49 270 Comment
  UC1039703  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
  SEINET7073068  Lomatium utriculatum A. G. Vestal 1963-4-9 s.n. Amador Tonzi Road along Horse Creek about one mile east of Route 104. UTM Zone 10, 684328mE, 4252778mN. Coordinate datum: NAD27. Comment
  RSA455711  Lonicera conjugialis H. E. McMinn 1931-7-28 2594 Amador Wilcon Lodge, Plasse Resort, Silver Lake. Comment
  CAS-BOT-BC240416  Lonicera hispidula Geo. Hansen 1893-6-1 214 Amador Pine Grove 762 Comment
  UCSB13190  Lonicera hispidula Breedlove, Dennis 1962-6-14 Amador Along State Highway 88, 5.0 miles west of Pine Grove; Sierra Nevada 518 Comment
  UC193384  Lonicera hispidula var. vacillans Geo. Hansen May 1893 214 Amador Pine Grove 762 Comment
  UC1125266  Lonicera interrupta B. Schreiber 1936-5-23 2238 Amador 1.2 mi ne Amador City; Jackson Quadrangle Comment
  CAS-BOT-BC241423  Lonicera involucrata var. involucrata Geo. Hansen 1892-5-1 196 Amador Agrc. Station 609 Comment
  UC28556  Lonicera involucrata var. involucrata Geo. Hansen 1892-1 Amador Comment
  JEPS21825  Lotus incanus Robert L. Fry 1958-4 68 Amador 6 mi w Cooks Station (on State Highway 88) 1219 Comment
  JEPS29531  Lotus micranthus Paul C. Hutchison 1962-4-28 2383 Amador near Rancheria Creek (between Sutter Creek and Daffodil Hill, along Gopher Gulch road) 670 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
  SEINET3694619 Image available Lotus micranthus E. Crum 1935-4-22 1661 Amador Forest Home, Ione-Latrobe Highway Comment
  SEINET6655535  Lotus nevadensis D. W. McNeal 1975-7-17 1837 Amador Hwy. #88, 1 mi. E of the Lumberyard R.S., El Dorado Nat. For.; 0 Comment
  RSA0049984  Lotus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-6-6 19135 Amador Panther Creek Road, 1.5 miles south of its junction with CA-88, 5.0 mi. west (267 deg ) of Bear River Reservoir dam 1590 Comment
  UCR233429  Lotus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2011-8-6 17960 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UC80946  Lotus nevadensis var. nevadensis K. Brandegee Jul 1886 Amador Wiley's Comment
  UCR241366  Lotus oblongifolius var. oblongifolius George K. Helmkamp, E. A. Helmkamp 2012-6-26 19266 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
  CDA17044  Lotus purshianus G. F. Hrusa, J. Glazner 2003-7-22 16114 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  UCR209515  Lotus purshianus George K. Helmkamp, E. A. Helmkamp 2009-8-6 15403 B 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
  CAS-BOT-BC520332  Lotus purshianus var. purshianus George K. Helmkamp; E. A. Helmkamp 2012-9-1 19734 Amador Northern Sierra Nevada Mountains Foothills: along CA-88 (Carson Pass Hwy) at the jct with W. Clinton Rd, between Jackson and Pine Grove 473 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
  UCR191141  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2007-8-26 12810 Amador Northern Sierra Nevada Mountains Foothills, along Hwy CA-49 at mile-20, 2.1 miles north of Plymouth; beside Blue Indian Creek 299 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
  UCR241997  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2012-9-7 19766 Amador Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of the junction with Fiddletown Road at Plymouth 299 Comment
  UC15744  Lotus scoparius Geo. Hansen 1892-1 Amador Comment
  UC1129216  Lotus wrangelianus R. D. Roseberry 1935-4-19 72 Amador 2.5 mi w Buena Vista; Jackson Quad. 121 Comment
  SEINET7042519  Lotus wrangelianus 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
  UC126939  Lupinus Geo. Hansen 1892-1 Amador Comment
  UC127005  Lupinus Geo. Hansen 1891-1 Amador Comment
  UC194782  Lupinus adsurgens var. undulatus Geo. Hansen 1895-6-14 1086 Amador Panther Creek Sequoia Gigantea Ridge, Panther Creek (Sequoia Giantea Region) 1463 Comment
  UC82197  Lupinus albicaulis Geo. Hansen Aug 1892 746 Amador Agr Station e Jackson; Sequoia Region, e of Jackson 609 Comment
  CDA18862  Lupinus albicaulis R. Wall 1999-5-29 s.n. Amador Sierra Nevada; 0.2 miles west of Daffodil Hill on Sutter Creek Rd. 0 Comment
  UC82198  Lupinus albicaulis var. shastensis Geo. Hansen VII 1894 1313 Amador Pine Grove; Sequoia Gigantea Region, Pine Grove 701 Comment
  SEINET10488377  Lupinus albifrons Tom Hensel, Elinor Lehto 1974-5-22 Hensel 303 Amador 1.5 nw of volcano (town), on a private ranch. Foothill woodland with quercus Ceanothus and aesculus 610 Comment
  CAS-BOT-BC201346  Lupinus albifrons var. albifrons Geo. Hansen 1893-4-1 368 Amador Mok. River, Amador & Calaveras County 548 Comment
  CAS-BOT-BC201348  Lupinus albifrons var. albifrons Geo. Hansen 1893-4-1 983 Amador Mok. River, Amador & Calaveras County 548 Comment
  SEINET7072625 Image available Lupinus benthamii A. G. Vestal 1963-5-5 s.n. Amador About 1.1 miles east of Plymouth on Oleta Road to Fiddletown. Coordinate datum: NAD 27. UTM Zone 10, 689102mE, 4261387mN. 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
  SBBG122295  Lupinus bicolor G. K. Helmkamp, E. A. Helmkamp 2008-5-8 13427 Amador Hwy 26, 1 mi W of the Calaveras County line 1000 Comment
  SEINET3828306  Lupinus bicolor George K. Helmcamp, E. A. Helmkamp 2010-1 15768 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
  SEINET4560753  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2011-1 17086 Amador Northeastern San Joaquin Valley: along CA-88, 0.8 mile northeast of the San Joaquin County line, c. 3 miles north of Camanche Reservoir. 81 Comment
  SEINET7063164 Image available Lupinus bicolor 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
  UC710402  Lupinus bicolor C. P. Smith 1946-5-3 46273 Amador highway 49, 3 mi s Jackson (Butte Store ruin) 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
  UCR187298  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
  UCR208313  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2009-3-26 14470 Amador San Joaquin Valley, along CA-88, 0.4 mile northeast of the San Joaquin Co. line 81 Comment
  UCR242825  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2010-4-3 15814 Amador Sierra Nevada Mountains Foothills, Fiddletown Road (= Oleta Road), 2.9 miles east of CA-49 in Plymouth 172 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
  POM313497  Lupinus densiflorus var. lacteus Paul C. Hutchison 1962-4-28 2393 Amador Gopher Gulch road east of Sutter Creek, near junction with road back to Fiddletown (ca. 2-3 miles west of Lockwood Junction) at side road to Golden Bares Health Ranch. 915 Comment
  SBBG34590  Lupinus fulcratus T. L. Secrest 1950-8-17 Amador Silver Lake Comment
  SD236287  Lupinus grayi G. 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
  RSA6178  Lupinus latifolius subsp. longipes Carl B. Wolf 1933-5-24 4920 Amador 4.8 miles along Pine Grove on Carson Pass Highway, western slope of the Sierra Nevadas. 854 Comment
  SD247420  Lupinus latifolius var. columbianus George Helmkamp, Elizabeth Helmkamp 2013-7-10 21017 Amador Northern Sierra Nevada Mountains: Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy (Tragedy Spring 7.5'Q) 2191 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
  UCR188478  Lupinus lepidus var. confertus George 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
  UCR190548  Lupinus lepidus var. sellulus George K. Helmkamp 2007-6-29 12447 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.1 mile east of Carson Spur summit 2424 Comment
  SEINET4178541 Image available Lupinus microcarpus George K. Helmkamp, E. A. Helmkamp 2011-6-17 17605 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 mile SSW of Pioneer. 762 Comment
  UC1129606  Lupinus microcarpus var. densiflorus G. T. Nordstrom 1936-4-19 730 Amador 1 1/4 mi w Plymouth; Jackson Quad. Comment
  UC727013  Lupinus microcarpus var. densiflorus A. A. Heller 1941-5-10 16119 Amador about 1 1/2 mi e Ione Comment
  SEINET5628416 Image available Lupinus minimus Earle Mulliken 1904-1 122 Amador Silver Lake. 2195 Comment
  UC710401  Lupinus nanus C. P. Smith 1946-5-3 46276 Amador hiway 49, 3 mi s Jackson (Butte Store ruin); s <of> Jackson 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
  UCR230085  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2011-6-7 17484 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
  UCR257200  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-13 20594 Amador Sierra Nevada Mountains, Shake Ridge Road, 16.7 miles northeast of its junction with E-16 via Fiddletown Rd. 983 Comment
  UC483330  Lupinus stiversii Ann Wood 1918-5-10 Amador Sutter Creek Comment
  UC665644  Lupinus stiversii Ethel Crum 1940-5-12 2111 Amador Kit Carson Pass road 4.2 mi ne Pine Grove; Sierra Nevada foothills 822 Comment
  UC865472  Lupinus stiversii Ann Wood 1918-5-10 Amador Sutter Creek Comment
  CAS-BOT-BC441202  Luzula macrantha Alice Eastwood 1921-3-19 10159 Amador Ione 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
  RSA0014827  Lythrum californicum Ernest Braunton 1904-07 1131 Amador Vicinity of Ione. 61 Comment
  UCR241316  Lythrum hyssopifolia George K. Helmkamp, E. A. Helmkamp 2012-9-20 19879 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
  UC108061  Lythrum hyssopifolia J. C. Hawthorne 1900-6-2 61 Amador Amador County 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
  SEINET7072973  Madia elegans A. G. Vestal 1963-5-28 s.n. Amador Barton Meadow about 19 miles east-northeast of Jackson and Route 49 on Route 88. UTM Zone 10, 715691mE, 4259142mN. Coordinate datum: NAD27). Comment
  CAS-BOT-BC342698  Madia elegans Geo. Hansen 1893-4-1 412 Amador Fisher's Point, Amador & Calaveras County 304 Comment
  CAS-BOT-BC342701  Madia elegans Ernest Braunton 1904-7-1 1668 Amador Buena Vista Comment
  JEPS119406  Madia elegans subsp. densifolia G. 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 Comment
  UCR240728  Madia elegans subsp. densifolia George K. Helmkamp, E. A. Helmkamp 2012-10-5 19964 Amador Northern Sierra Nevada Mountains Foothills, city of Sutter Creek along old CA-49 (Hanford St.) at the junction with Spanish St. 389 Comment
  UCR190672  Madia elegans subsp. elegans George K. Helmkamp, E. A. Helmkamp 2007-9-4 12901 Amador Northern Sierra Nevada Mountains Foothills, Climax Road 0.8 mile west of its junction with CA-88 701 Comment
  CAS-BOT-BC344289  Madia exigua Ernest Braunton 1904-6-1 1036 Amador Grounds of Preston School Comment
  UCR231028  Madia exigua George K. Helmkamp, E. A. Helmkamp 2011-6-7 17468 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road (Gopher Flat Rd.), 0.2 mile southwest of its junction with Pine Gulch Road, 2.2 mi. NE of Sutter Creek 465 Comment
  UCR240933  Madia exigua George K. Helmkamp, E. A. Helmkamp 2012-6-26 19281 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 8.0 miles south of its junction with CA-88, along East Panther Creek 1345 Comment
  CAS-BOT-BC344287  Madia exigua Geo. Hansen 1895-6-1 1263 Amador Agrc. Station 609 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
  UCD134267  Madia glomerata G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12738 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail. 2172 Comment
  UCR188507  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2007-7-17 12523 Amador Northern Sierra Nevada Mountains, along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake 2317 Comment
  UCR206612  Madia glomerata George K. Helmkamp, Ann Kerchner 2009-7-25 15290 Amador Sierra Nevada Mountains, south side of CA-88, 3.2 miles west of the Alpine Co. line; near Martin Meadow 2306 Comment
  CAS-BOT-BC334650  Madia glomerata Bruce G. Baldwin 1985-8-27 510 Amador 5 miles east of Panther Creek Road on California State HIghway 88 Comment
  JEPS30004  Madia glomerata W. L. Jepson 1923-8-9 10098 Amador border of Silver Creek Silver Creek 2225 Comment
  SEINET2442644  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2009-8-6 15400 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 (Peddler Hill 7.5' Q.).; 0 1590 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
  UCD134295  Madia gracilis G. 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
  UCR196782  Madia gracilis George K. Helmkamp 2008-6-17 13672 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UCR209565  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2009-8-6 15400 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
  UCR230971  Madia gracilis George K. Helmkamp, 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 457 Comment
  UCR240937  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2012-6-26 19285 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 8.0 miles south of its junction with CA-88, along East Panther Creek 1345 Comment
  UCR250044  Madia gracilis George K. Helmkamp, Elizabeth Helmkamp 2013-5-22 20667 Amador Northern Sierra Nevada Mtns. Foothills, Ostrom Road just south of its junction with E-16 (Plymouth-Shenandoah Rd.), 1.5 mi. SW (230 deg. ) of River Pines 561 Comment
  CAS-BOT-BC342941  Madia gracilis Geo. Hansen 1893-7-1 395 Amador Agr. Station 609 Comment
  CAS-BOT-BC342944  Madia gracilis David D. Keck 1932-6-29 1532 Amador 1.5 miles SW. of Plymouth Comment
  CAS-BOT-BC342947  Madia gracilis David D. Keck 1932-6-29 1530 Amador 1.2 miles N. of Sutter Creek Comment
  CAS-BOT-BC342949  Madia gracilis David D. Keck 1932-6-29 1530 Amador 1.2 miles N. of Sutter Creek Comment
  POM31736  Madia minima Geo Hansen 1895-6-11 1196 Amador Sequoia gigantea region: Antelope 1280 Comment
  UCR257015  Madia rammii George K. Helmkamp, Mary Alice Barnes 2013-5-13 20569 Amador Sierra Nevada Mountains, Fiddletown Road, c. 9 miles northeast of its junction with E-16/Shenandoah Rd. near Plymouth 665 Comment
  RSA517803  Madia rammii D. E. Breedlove, M. Bourell, R. Patterson 1986-6-5 62620 Amador Flat Ridge 12 mi E of Fiddletown. Comment
  CAS-BOT-BC508535  Maianthemum racemosum subsp. amplexicaule Geo. Hansen 1895-5-1 1076 Amador Ham's Station 1524 Comment
  UC66963  Malacothamnus fremontii Ernest Braunton 1144 Amador Ione 60 Comment
  CAS-BOT-BC345368  Malacothrix clevelandii Geo. Hansen 1892-6-1 401 Amador Drytown 152 Comment
  HSC7019  Marah fabacea J. V. Lenz 1946-4-6 Amador 5 mi. NW of Plymouth Comment
  UC102136  Marah watsonii Geo. Hansen Apr 1893 97 Amador Agrc. Station Sequoia Region, Jackson 609 Comment
  UC635683  Marah watsonii H. L. Mason 1932-4-25 7004 Amador road from Ione to Latrobe Cosumnes River Bridge Comment
  UC1607704  Marsilea 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
  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
  UCR250049  Medicago polymorpha George K. Helmkamp, Mary Alice Barnes 2013-4-24 20383 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
  UCR272766  Medicago polymorpha George K. Helmkamp 2014-3-14 22558 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
  UC38819  Melica aristata Geo. Hansen 1896-6-30 1776 Amador Carpenter's Gulch; Sequoia Gigantea Region 548 Comment
  SEINET10599302  Melica aristata George Hansen 1896-7-13 Hansen 1849 Amador Pioneer. 914 Comment
  UCD38695  Melica californica Beecher Crampton 1957-5-28 4061 Amador 5.3 miles northeast of Jackson, old UC Foothill Experiment, near Amador ditch. Comment
  SEINET10827744  Melica californica var. nevadensis George Hansen 1893-1 Hansen 633 Amador Agricultural Station. 610 Comment
  UCR253089  Melilotus albus George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22152 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 11.3 miles northeast of the town of Sutter Creek 582 Comment
  UCR256496  Melilotus indicus George K. Helmkamp, Amy Barnes 2014-5-8 22849 Amador Sacramento Valley/Sierra Nevada Foothills, along CA-104, 1.2 miles southeast of Ione 146 Comment
  CDA32149  Melilotus officinalis M. Beyers 2010-8-2 714 Amador Along State Route 88. 1515 Comment
  SEINET11123653  Melissa officinalis Unknown 2013-7-11 22148 Amador Sutter Creek 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
  RSA0078107  Mentha pulegium George K. Helmkamp, E. A. Helmkamp 2006-10-6 11478 Amador Along Calif. Hwy 49, 1.1 miles south of Plymouth. 314 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
  RSA305623  Mentha spicata C. W. Tilforth 1979-7-23 1862 Amador Jct of Willow Creek Rd, and Hwy 124, north of Ione. Comment
  RSA305632  Mentha spicata C. W. Tilforth, J. Dourley 1979-7-23 1862 Amador Jct of Willow Creek Rd, and Hwy 124, north of Ione. 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
  RSA750427  Mentha spicata var. spicata George K. Helmkamp, E. A. Helmkamp 2008-9-28 14170 Amador Sutter Creek Rancho Road on the north side of CA-88 and 4.2 miles southwest of the junction of CA-88 and CA-49 287 Comment
  SEINET11191799  Mentha spicata var. spicata Unknown 2012-10-5 19968 Amador Amador County Comment
  UCR248422  Mentha spicata var. spicata George K. Helmkamp, Elizabeth Helmkamp 2013-9-13 22291 Amador Northern Sierra Nevada Mountains Foothills, 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
  UC69937  Mertensia ciliata Earle Mulliken Jul 27 1904-Aug 5 1904 143 Amador Silver Lake Sierra Nevada Mountains 2194 Comment
  CAS-BOT-BC428710  Micranthes californica Geo. Hansen 1893-3-1 92 Amador Clinton 609 Comment
  UCD102902  Micranthes tolmiei Dean W. Taylor 1974-8-25 4851 Amador Mokelumne Peak. 2711 Comment
  SEINET7073072  Micropus californicus A. G. Vestal 1963-4-9 s.n. Amador On the Ione-Plymouth Road (Route 124) about 1.1 miles south of its end at Route 16. UTM Zone 10, 683433mE, 4255806mN. Coordinate datum: NAD27. 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
  CDA8379  Micropus californicus var. californicus T. C. Fuller 1963-6-5 10574 Amador Old U. C. Experimental Station, ca. 5 miles northwest of Jackson. 0 Comment
  CHSC56971  Micropus californicus var. californicus Steven Triano 1988-4-29 88 Amador Perimeter of 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
  JEPS40547  Micropus californicus var. californicus W. L. Jepson 1938-4-14 18663 Amador Watts Road Station Comment
  UC1070018  Micropus californicus var. californicus G. T. Nordstrom 1936-5-2 778 Amador 3.2 mi nnw Churchbell Hill; Jackson Quad. 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
  UCD118910  Microsteris gracilis G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11781 Amador Northern Sierra Nevada Mountains: Along Bell Road beside Plymouth Creek just east of CA-49 in the vicinity of Enterprise. 302 Comment
  UCD18685  Mimulus Roman Gankin 1956-6-20 170 Amador NW side of Silver Lake. 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
  UC103786  Mimulus angustatus K. Brandegee 1886-5-23 Amador near Volcano Comment
  UCD122159  Mimulus angustatus Kim E. Steiner 1978-5-4 296 Amador Shake Ridge Rd., 0.9 mi W of Fiddletown-Silverlake Rd. 975 Comment
  UCD40890  Mimulus aurantiacus Cathleen Chapton 1983-5-6 10 Amador 1 mile into Amador County traveling east on Hwy 16. 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
  UC1063541  Mimulus bicolor B. Schreiber 1937-6-13 2408 Amador Ham Station El Dorado National Forest, Pyramid Peak Quadrangle Comment
  UC193597  Mimulus douglasii Geo. Hansen Mar 1892 188 Amador near Jackson (Agrc. Station); Sequoia Region 609 Comment
  UCR173682  Mimulus guttatus George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10320 Amador Northern Sierra Nevada foothills, Climax Road southwest of Pine Grove, 0.1 mile west of Calif. Hwy 88 701 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
  UCR242635  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2010-4-3 15798 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
  JEPS11007  Mimulus guttatus E. L. Greene May 1886 Amador Comment
  POM43707  Mimulus guttatus Geo. Hansen 1896-6-3 1048 Amador Middle Fork. 396 Comment
  POM43720  Mimulus guttatus Geo. Hansen 1896-7-7 1801 Amador West Point Bridge, Mokelumne River and immediate tributaries. Amador and Calaveras counties. 701 Comment
  JEPS13134  Mimulus inconspicuus Rimo Bacigalupi with G. Thomas Robbins 1955-5-5 5016 Amador 0.4 mi n Pardee Dam (on road to Buena Vista) 198 Comment
  UC193539  Mimulus kelloggii Geo. Hansen III 1893 109 Amador Agrc. Station Sequoia Region 609 Comment
  UCR230970  Mimulus kelloggii George K. Helmkamp, E. A. Helmkamp 2011-6-7 17471 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 3.4 miles west of Volcano 491 Comment
  UCD122732  Mimulus kelloggii Kim E. Steiner 1979-5-2 293 Amador Sutter Creek-Volcano Rd., 1.65 mi W of Pine Grove-Volcano Road. 563 Comment
  UCR196786  Mimulus mephiticus George K. Helmkamp 2008-6-17 13681 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road along the south side of Bear River Reservoir 1797 Comment
  UCR237283  Mimulus mephiticus George K. Helmkamp, E. A. Helmkamp 2012-7-2 19305 Amador Northern Sierra Nevada Mountains, Bear River Road at the south end of the dam of Lower Bear River Reservoir 1774 Comment
  UCR200894  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 2008-8-30 14058 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
  UC193096  Mimulus pardalis Geo. Hansen 1896-5-18 1286 Amador New York Falls Sequoia Region 609 Comment
  UCR253234  Mimulus primuloides var. primuloides George K. Helmkamp, Elizabeth Helmkamp 2013-7-6 20999 Amador Northern Sierra Nevada Mountains, Bear River Road, 1.5 road miles east of the dam for Lower Bear River Reservoir 1837 Comment
  SEINET1908684  Mimulus tilingii George K. Helmkamp 2008-1 13680 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
  UCR190564  Mimulus tilingii George K. Helmkamp 2007-6-29 12453 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.1 mile east of Carson Spur summit 2424 Comment
  UCR242831  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, c. 2.75 mi. NNW of Upper Bear River Reservoir 2162 Comment
  RSA93422  Mimulus tilingii Milo S. Baker 1936-7-25 8566 Amador Trail to Hidden Lake. 2439 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
  UCSB18293  Mimulus torreyi Breedlove, Dennis 1962-6-14 Amador along State Highwy 88; 10 miles east of Pine Grove; Sierra Nevada 1005 Comment
  UC146895  Mimulus viscidus Katharine Brandegee June 1910 Amador Ione Comment
  RSA792649  Mimulus viscidus Roman Gankin 1956-6-20 181 Amador 0.3 miles east of lone, on State Highway 88 from Jackson to Stockton, at Buena Vista crossroad. 76 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
  RSA523436  Mimulus viscidus var. viscidus Robert F. Hoover 1937-6-10 2412 Amador Ione. Comment
  CAS-BOT-BC388581  Minuartia douglasii Geo. Hansen 1892-5-1 536 Amador New York Falls. Agrc. Station 609 Comment
  UCD37413  Minuartia douglasii Beecher Crampton 1960-6-6 5558 Amador Amador County, 3.6 miles west of Plymouth. Comment
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Sep 20 2010
  SEINET1004970  Mollugo verticillata G. K. Helmkamp, E. A. Helmkamp 2006-1 11559 Amador Cetral Valley/ Northern Sierra Nevada Foothills: along CA-16, 0.2 mile east of Waits Station, southwest of Plymouth. 305 Comment
  CAS-BOT-BC435025  Mollugo verticillata Roxana S. Ferris 1940-6-1 9847 Amador Hills between Clements and Ione. Comment
  CAS-BOT-BC219919  Monardella breweri subsp. lanceolata Geo. Hansen 1893-6-1 128 Amador Agrc. Station 609 Comment
  HSC40742  Monardella lanceolata R. York 1977-6-20 6 Amador Edge of Tiger Creek Reservoir, 4 mi. off Hwy. 88 Comment
  UCR257870  Monardella odoratissima George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-8-4 19541 Amador Northern Sierra Nevada Mountains, Plasse Road, 0.4 mile south of its junction with CA-88, SW of Silver Lake 2262 Comment
  RSA785979  Monardella odoratissima subsp. glauca Doris Bowers 1969-8-19 819 Amador Sierra Nevada. Lower Bear River Reservoir on Carson Pass. 1784 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
  CDA17023  Montia chamissoi G. F. Hrusa, J. Glazner 2003-7-22 16096 Amador Sierra Nevada; Kirkwood Ski Resort. Slopes at base of ski runs. 2407 Comment
  CAS-BOT-BC444823  Montia fontana John Thomas Howell 1969-4-21 45527 Amador Jackson 365 Comment
  CAS-BOT-BC260514  Muhlenbergia filiformis Geo. Hansen 1893-7-1 603 Amador [Pedlar?] 1828 Comment
  UCR237291  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 1776 Comment
  SEINET10959884  Muhlenbergia filiformis George Hansen 1893-1 Hansen 603 Amador Pedlar. 1829 Comment
  UC1111013  Muhlenbergia richardsonis Herbert L. Mason 1933-9-2 7268 Amador Silver Lake Comment
  UCD148343  Muhlenbergia richardsonis G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-8-10 3399 Amador Small lake on south side of Hwy 88, just west of Carson Spur; 1 mile west of road to Lake Kirkwood. 2407 Comment
  UC39964  Nassella cernua Geo. Hansen 1892-1 621 Amador Drytown 304 Comment
  UC963778  Navarretia breweri Herbert L. Mason 1933-9-2 7261 Amador Silver Lake Sierra Nevada Mountains Comment
  CDA14776  Navarretia capillaris G. D. Barbe, J. T. Howell, T. C. Fuller 1981-8-1 3380 Amador south base of Peddler Hill, Highway 88 at junction with road to Dufrene. 2084 Comment
  UC1124099  Navarretia divaricata B. Schreiber 1937-6-13 2409 Amador near Buckhorn; Jackson Quad. 1066 Comment
  UCR197358  Navarretia divaricata subsp. divaricata George K. Helmkamp, E. A. Helmkamp 2008-6-23 13728 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
  UCR257084  Navarretia divaricata subsp. vividior George K. Helmkamp, Mary Alice Barnes 2013-5-13 20598 Amador Sierra Nevada Mountains, Shake Ridge Road, 16.7 miles northeast of its junction with E-16 via Fiddletown Rd. 983 Comment
  UCR136859  Navarretia filicaulis Beecher Crampton 1954-8-3 2253 Amador Northern Sierra Nevada Foothills, 1.5 miles north of Clinton, west slope of Clinton Peak 549 Comment
  UCD37415  Navarretia heterandra Beecher Crampton 1960-6-6 5560 Amador Amador County, 1 mile south of Carbondale. Comment
  UC1124105  Navarretia intertexta C. M. Belshaw 1936-6-29 2386 Amador 2 mi nnw Glencoe; Jackson Quad. 792 Comment
  CAS-BOT-BC7172  Navarretia prolifera Mary Katherine (Mrs.) Brandegee s.n. Amador unspecified Comment
  UC142961  Navarretia prolifera Katharine Brandegee 1910-6-28 Amador Foster's Station Comment
  CAS-BOT-BC233553  Navarretia prolifera subsp. prolifera Brandegee No date on label s.n. Amador Unspecified Comment
  SEINET195013  Navarretia prostrata A. A. Heller 1941-5-10 16114 Amador 5 miles W of lone, along the road connecting with State Highway 16. Comment
  RSA748949  Navarretia squarrosa J. R. Shevock 1985-7-31 11329 Amador Irish Mill near the town of Ione. 91 Comment
  UC66309  Navarretia squarrosa Ernest Braunton Jul 1904 1107 Amador vicinity Ione 60 Comment
  UC66314  Navarretia squarrosa Ernest Braunton Jul 1904 1140 Amador vicinity Ione 60 Comment
  SEINET3163759  Navarretia subuligera E. Braunton 1904-1 sn Amador Gone Comment
  UC66313  Navarretia tagetina Ernest Braunton Jun 1904 1030 Amador along Sutter Creek Ione Comment
  UC726839  Navarretia tagetina A. A. Heller 1941-5-10 16115 Amador 2 mi w Ione Comment
  POM279098  Navarretia tagetina Lyman Benson 1935-6-7 6675 Amador Ione; Sierra Nevada Mt. range, San Joaquin Valley watershed 457 Comment
  UC1228153  Navarretia viscidula Beecher Crampton 1960-6-6 5562 Amador 2.6 mi n Carbondale Comment
  UC143017  Navarretia viscidula Katharine Brandegee Jun 1910 Amador Ione 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
  SEINET10461160  Nemacladus interior Hansen HANSEN 98 Amador Silver Lake 2438 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
  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
  SEINET7072655  Nemophila heterophylla 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
  SEINET3156478  Nemophila heterophylla J. L. Strother, A. R. Smith 1970-5-3 919 Amador Near Highway 49, 1 mile N of Calaveras County boundary 427 Comment
  UCD119574  Nemophila maculata Collector unknown 1930-5-1 s.n. Amador Amador and Calaveras County: location unknown. 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
  JEPS21156  Nemophila spatulata B. Schreiber 1937-6-13 2403 Amador Silver Lake Pyramid Creek Quad., Silver Lake Comment
  UCR219172  Nicotiana acuminata var. multiflora George K. Helmkamp, E. A. Helmkamp 2009-9-22 15635 Amador Sierra Nevada Mountains Foothills, junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 Comment
  POM69052  Nicotiana bigelovii Geo. Hansen 1893-7-3 480 Amador Drytown 152 Comment
  UC66964  Nicotiana quadrivalvis Ernest Braunton Jul 1904 1171 Amador vicinity Ione 60 Comment
  UC168629  Oenothera elata subsp. hirsutissima Katharine Brandegee 1910-6-29 Amador near Cook's (Wylie) Station (in an abandoned garden) Comment
  CAS-BOT-BC71191  Ophioglossum californicum Alice Eastwood 1925-3-3 12413 Amador Ione Comment
  UC62734  Ophioglossum californicum Ernest Braunton Dec 1904 1255 Amador vicinity of Ione 60 Comment
  UC748499  Ophioglossum californicum W. H. Wagner Jr. and J. W. Duffield 1948-3-14 4607 Amador 3/9 (sic) mi N of Ione ( 100 yds. W of the road between Ione and Ca. Hwy. 16. betw. Plymouth and Michigan Bar, 1/4 mi E of Preston Reform School) Comment
  UC912304  Oreostemma alpigenum var. andersonii Herbert L. Mason 1933-9-2 7269 Amador Silver Lake Sierra Nevada Mountains Comment
  CAS-BOT-BC499772  Orobanche californica subsp. grayana Geo Hansen 1892-7-1 247 Amador Pine Grove 762 Comment
  UCD96881  Orobanche fasciculata Dena Grossenbacher; Joel Smith 2008-7-12 909 Amador At turnout on Highway 88, 3 miles west of Kirkwood on south side of highway about 50-75 meters south of road. 2357 Comment
  CAS-BOT-BC499838  Orobanche fasciculata Geo Hansen 1896-5-13 1630 Amador White Bar, Mokelumne River 304 Comment
  RSA0078526  Orobanche uniflora var. occidentalis George Hansen 1893-07 246 Amador Fisher's Cabin. 365 Comment
  UCR241362  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2012-6-26 19260 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
  CDA17025  Osmorhiza occidentalis G. F. Hrusa, J. Glazner 2003-7-22 16098 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  RSA459020  Osmorhiza occidentalis E. E. Stanford 1933-8-13 2142 Amador Silver Lake Region, near Memorial Building 2287 Comment
  CDA4692  Oxalis latifolia R. Johnson 1958-6-1 521 -58 Amador Sutter Creek. 0 Comment
  JEPS29534  Oxalis laxa Paul C. Hutchison 1962-4-28 2370 Amador ca 6 mi n Ione (100 yards downstream from bridge, on hwy 104); Dry Creek crossing Comment
  CAS-BOT-BC10462  Paeonia brownii George Hansen 1895-5-1 1111 Amador Panther Creek 1524 Comment
  CAS-BOT-BC10461  Paeonia brownii Olga Reifschneider 1955-6-15 s.n. Amador Silver Lake, Kit Carson Pass road Comment
  UC768481  Panicum acuminatum var. acuminatum R. F. Hoover 1937-6-10 2418 Amador Ione Comment
  UCD88216  Panicum acuminatum var. fasciculatum Beecher Crampton 1954-8-3 2247 Amador 1 mile south of Clinton. Comment
  CAS-BOT-BC253659  Panicum capillare Geo. Hansen 1893-5-1 599 Amador New York Falls 609 Comment
  UCR241971  Panicum dichotomiflorum George K. Helmkamp, E. A. Helmkamp 2012-9-7 19785 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
  UCR198556  Papaver rhoeas George 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
  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
  SEINET3828359  Parvisedum pumilum George K. Helmcamp, E. A. Helmkamp 2010-1 15843 Amador Northeast San Joaquin Valley: along CA-88, 0.9 mile northeast of the San Joaquin County line (Goose Creek 7.5) 84 Comment
  UCR194694  Paspalum dilatatum George K. Helmkamp, E. A. Helmkamp 2007-10-13 13100 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
  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
  RSA401940B  Pedicularis aurantiaca F. C. Ball 1933-4-12 18269 Amador Jackson Comment
  UCD112588  Pellaea Christopher Mallek 2008-4-30 RP2- 9 Amador River Pines. 688 Comment
  UC42644  Pellaea andromedifolia Geo. Hansen Amador Jackson Comment
  CAS-BOT-BC67731  Pellaea andromedifolia Geo. Hansen 1893-4-1 656 Amador Fisher's Cabin 457 Comment
  CAS-BOT-BC67732  Pellaea andromedifolia Geo. Hansen 1892-4-1 656 Amador Mok River 609 Comment
  CAS-BOT-BC69364  Pellaea breweri W. B. Duncan 1927-8-1 s.n. Amador vicinity of Silver Lake 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
  UCR230625  Pellaea mucronata subsp. mucronata George K. Helmkamp, E. A. Helmkamp 2011-5-10 17238 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
  JEPS60065  Pellaea mucronata var. mucronata W. L. Jepson 1929-4-29 15232 Amador Willow Springs Station, Sacramento-Jackson rd Willow Springs Station 198 Comment
  CDA42751  Pellaea mucronata var. mucronata T. C. Fuller 1961-5-26 6945 Amador North bank, Jackson Creek, Highway 88, 3 mile northeast of Jackson. 0 Comment
  UC1063279  Penstemon azureus var. angustissimus G. T. Nordstrom 1936-6-7 823 Amador 3.6 mi nw Pine Grove; Jackson Quad. 792 Comment
  UC1280832  Penstemon deustus H. E. McMinn 1931-7-21 2897 Amador Thimble Peak Comment
  UCR174000  Penstemon heterophyllus subsp. purdyi George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-29 10803 Amador Northern Sierra Nevada foothills, northbound along Calif. Hwy 26, 0.6 mile past the North Fork of Mokelumne River 732 Comment
  UCR258366  Penstemon heterophyllus subsp. purdyi George K. Helmkamp 2014-5-28 22937 Amador Sierra Nevada Mountains Foothills, along CA-26, 0.8 mile west of the bridge over the North Fork Mokelumne River 66 Comment
  SEINET3246131  Penstemon newberryi var. newberryi G. K. Helmkamp, E. A. Helmkamp 2009-1 15609 Amador Northern Sierra Nevada Mountains: south side of Bear River Reservoir, 0.1 mile east of the dam. 1774 Comment
  UCR196832  Penstemon newberryi var. newberryi George K. Helmkamp 2008-6-17 13684 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road along the south side of Bear River Reservoir 1797 Comment
  UCD124122  Penstemon procerus T. I. Storer 1938-8-11 s.n. Amador 2 mi. S of Carson Spur. 2651 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
  UCR233410  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2011-8-6 17963 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 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
  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
  UCR219009  Pentagramma triangularis subsp. triangularis George K. Helmkamp, E. A. Helmkamp 2010-6-23 16337 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
  SDSU2357  Perideridia gairdneri Helen L. Dale 1929-7-29 1188 Amador Foot of Carson Spur. 2438 Comment
  UC20893  Perideridia kelloggii Geo. Hansen 1891-1 Amador Comment
  SD243060  Perideridia lemmonii George K. Helmkamp, E. A. Helmkamp 2010-9-1 16911 Amador Northern Sierra Nevada Mountains: Dufrene Road 0.7 mile east of its junction with CA-88, north of Lower Bear River Reservoir. Roadside ditch. 2044 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
  UCR242356  Perideridia lemmonii George K. Helmkamp, E. A. Helmkamp 2010-9-1 16871 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
  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
  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
  UC735088  Phacelia hastata subsp. compacta Lincoln Constance 1946-7-2 3090 Amador summit Sierra Nevada, Carson Spur 2468 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
  UCR237090  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2012-7-14 19411 Amador Northern Sierra Nevada Mountains, between CA-88 and the El Dorado County line, 0.9 mile north of Silver Lake along CA-88 2267 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
  UCR197345  Phacelia heterophylla subsp. virgata George K. Helmkamp, E. A. Helmkamp 2008-5-8 13428 Amador Sierra Nevada Mountains Foothills, along CA-26, 1.0 mile west of the Calaveras County line 709 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
  RSA42342  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
  UC735085  Phacelia mutabilis Lincoln Constance 1946-7-1 3084 Amador 10.5 mi sw Silver Lake (divide between Cosumnes and Bear Rivers); Sierra Nevada 2133 Comment
  UC107569  Phacelia mutabilis Katharine Brandegee May 1896 Amador Wiley's Station Comment
  UC735054  Phacelia racemosa Lincoln Constance 1946-7-2 3087 Amador road above southwest end of Silver Lake; Sierra Nevada 2286 Comment
  CAS-BOT-BC154278  Phacelia ramosissima var. ramosissima W. B. Duncan 1927-8-1 s.n. Amador vicinity of Silver Lake 2438 Comment
  UC185290  Phacelia suaveolens Katharine Brandegee May 1910 Amador Ione Comment
  CAS-BOT-BC154353  Phacelia suaveolens R. F. Hoover 1937-6-10 2419 Amador Ione Comment
  UCR256505  Phacelia tanacetifolia George K. Helmkamp, Amy Barnes 2014-5-8 22852 Amador Sacramento Valley/Sierra Nevada Foothills, along CA-104, 1.2 miles southeast of Ione 146 Comment
  SEINET7096692  Phalaris californica A. G. Vestal 1947-4-28 s.n. Amador South of Plymouth on Route 49. NAD27, 38? deg. 28' 22ao, -120?_ 51' 01ao (converted to WGS84 decimal degrees) Comment
  UCD88985  Phalaris lemmonii Beecher Crampton 1966-5-3 7710 Amador 1 mile SW of Carbondale. Comment
  CAS-BOT-BC72723  Philadelphus lewisii C. B. Wolf; B. D. Stark 1933-9-22 5474 Amador W. slope Sierra Nevada, Mokelumne Hill - Jackson Road, 3/4 mi. No. of Mokelumne River 304 Comment
  UC191243  Philadelphus lewisii Geo. Hansen Jul 1893 226 Amador Drytown Sequoia Region 152 Comment
  UCSB13205  Philadelphus lewisii Breedlove, Dennis 1962-6-14 Amador 3.8 miles south of Jackson on State Highway 8-49; Sierra Nevada 426 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
  UCR257871  Phleum pratense George K. Helmkamp, Ann Kerchner, Amy Barnes 2012-8-4 19540 Amador Northern Sierra Nevada Mountains, Plasse Road, 0.4 mile south of its junction with CA-88, SW of Silver Lake 2262 Comment
  UCR173602  Phlox gracilis George K. Helmkamp, Elizabeth Helmkamp 2006-4-7 10163 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
  SEINET956368  Phlox speciosa E. Jane McBerty 1961-1 9 Amador 7.4 miles east of Sutter Creek on Gopher Flat Road. Comment
  RSA6186  Phlox speciosa subsp. occidentalis C. B. Wolf 1933-5-24 4928 Amador 4/10 mi. S of Pine Grove, west slope Sierra Nevada 762 Comment
  UC199651  Phoradendron juniperinum Geo. Hansen Oct 1893 721 Amador Wiley's 1219 Comment
  SD260310  Phoradendron leucarpum subsp. tomentosum George K. Helmkamp 2014-3-14 22559 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. 249 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
  CAS-BOT-BC141241  Phoradendron serotinum subsp. tomentosum John Thomas Howell 1960-11-10 36470 Amador Ione. Sierra Nevada Comment
  RSA263822  Phoradendron villosum J. T. Howell 1960-11-10 36470 Amador Ione. Comment
  UC762733  Phoradendron villosum R. F. Hoover 1940-1-14 4213 Amador Ione Comment
  CAS-BOT-BC58234  Phyllodoce breweri Dean W. Taylor 1974-8-25 4849 Amador N. face of Mokelumne Peak, just below summit. 2836 Comment
  RSA467805  Phyllodoce breweri H. E. McMinn 1932-7-21 2937 Amador Trail Thimble Peak. 2439 Comment
  RSA701459  Phyllodoce breweri Gary D. Wallace 1987-6-23 2670 Amador Kirkwood Lake, near Hwy 88 NE of Silver Lake. Above lake. Comment
  UC163  Pinus lambertiana George Hansen Apr 1895 928 Amador Agrc. Station Sequoia Region (Jackson) 609 Comment
  RSA78983  Pinus monticola E. K. Balls, P. C. Everett 1952-10-7 18100 Amador 2.1 mi NE of Peddler Hill, Hwy 88, Carson Pass Hwy. 2439 Comment
  SDSU1548  Pinus monticola Helen Dale 1929-7-30 540 Amador Carson Spur. 2743 Comment
  NY61956  Pinus monticola E. K. Balls 1952-10-7 18100 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
  UCD80495  Pinus radiata CNPS SN Foothill Team 2006-6-1 SNNR 0759 Amador BLM Parcel. 620 Comment
  RSA0070105  Pinus sabiniana George K. Helmkamp, Amy Barnes 2014-5-8 22833 Amador Tonzi Road, 0.4 mile east of its junction with CA-124, 4.5 air miles NE (35 deg ) of Ione. 188 Comment
  UCD110464  Piperia Christopher Mallek 2008-1 RP3- 27 Amador River Pines. 688 Comment
  CAS-BOT-BC169826  Plagiobothrys Beth F. Allen 1941-3-26 s.n. Amador 2 miles from Pardee Dam on road to Jackson Comment
  UCR237602  Plagiobothrys fulvus George K. Helmkamp, E. A. Helmkamp 2012-3-3 18598 Amador Northern Sierra Nevada Mountains Foothills, along CA-124 (E Plymouth Hwy), 1.2 miles northeast of Ione 169 Comment
  UC79237  Plagiobothrys nothofulvus Katharine Brandegee May 1889 Amador Ione Comment
  UCR208323  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2009-3-26 14485 Amador Sierra Nevada Mountains Foothills, along CA-49, 1.4 miles south of Drytown 198 Comment
  UC1199509  Plantago coronopus Herbert L. Mason 1933-5-29 7251 Amador hills above Ione Comment
  CDA36229  Plantago lanceolata G. K. Helmkamp, E. A. Helmkamp 2009-9-22 15638 Amador Sierra Nevada Mountains Foothills; Junction of Shenandoah Road (CA Hwy 16) and Steiner Road, southwest of River Pines. Comment
  UCR176289  Plantago lanceolata George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10365 Amador Northern Sierra Nevada Foothills, Near Enterprise, c. 0.4 mi. east of Calif. Hwy 88 on an unnamed dirt road (probably Bell Road) 305 Comment
  UCR219186  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2009-9-22 15638 Amador Sierra Nevada Mountains Foothills, junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 Comment
  UC1134742  Platanthera leucostachys H. S. Yates 1934-6-30 3926 Amador 1 mi n Silver Lake; Pyramid Peak Quad., El Dorado National Forest Comment
  POM313484  Plectritis ciliosa P. C. Hutchinson 1962-4-28 2374 Amador Ca 6 miles north of Ione, crossing of Dry Creek on Hwy 104, 100 yds downstream from bridge. 152 Comment
  CDA36251  Plectritis ciliosa subsp. ciliosa G. K. Helmkamp, E. A. Helmkamp 2007-4-23 11788 Amador Foothills, Northern Sierra Nevada Mountains; Along Bell Road beside Plymouth Creek just east of Calif. Hwy 49 in the vicinity of Enterprise. Comment
  JEPS12994  Plectritis ciliosa subsp. ciliosa Rimo Bacigalupi with G. T. Robbins 1955-5-6 5045 Amador s of Latrobe (1.1 mi n of its junction with State Highway 16) 213 Comment
  UC28859  Plectritis ciliosa subsp. ciliosa Geo. Hansen 1894-4-7 105 Amador Sequoia Gigantea Region, Middle Fork Middle Fork; Sequoia Gigantea Region, Middle Fork 396 Comment
  JEPS12983  Plectritis ciliosa subsp. insignis Rimo Bacigalupi with G. T. Robbins 1955-5-5 5030 Amador 0.6 mi n of Pardee Dam (along road to Buena Vista) 198 Comment
  SJSU11896  Plectritis macrocera J. H. Hitchcock 1962-4-28 Amador 3 mi N of Ione on Hwy 104 396 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
  UC912465  Plectritis macrocera H. L. Mason 1932-4-25 7006 Amador road Ione to Latrobe (Cosumnes River Bridge); Cosumnes River Bridge Comment
  JEPS12999  Plectritis macrocera Rimo Bacigalupi with G. T. Robbins 1955-5-6 5051 Amador 4.7 mi n of junction of State Highway 16 and road to Latrobe; along road to Latrobe 146 Comment
  POM313493  Plectritis macrocera P. C. Hutchinson 1962-4-28 2391 Amador Between Sutter Creek and Daffodil Hill. Along Gopher Gulch road near Rancheria Creek. 671 Comment
  UCD90146  Pleuropogon californicus var. californicus Beecher Crampton 1965-4-20 7285 Amador 2 miles south of Carbondale, jct. of State Hwy. 104 and Ione rd.. Comment
  CAS-BOT-BC110651  Poa Saichi Kawahara 71 Amador Harrison-Walker Refractories Company, Ione Works. Comment
  SEINET10927537  Poa Alan A. Beetle 1942-7-27 Beetle 3736 Amador Eldorado National Forest, Mud Springs, 15 miles west of Silver Lake. 1829 Comment
  SEINET10660328  Poa buckleyana George Hansen 1896-1 Hansen 1657 Amador Clinton. 610 Comment
  SD197635  Poa bulbosa G. K. Helmkamp, E. A. Helmkamp 2008-5-4 13386 Amador Sierra Nevada Mountains Foothills: along Tiger Creek Road, 2.8 miles east of CA-88; at the entrance of Tiger Creek Reservoir. 744 Comment
  SEINET3411988 Image available Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2012-3-22 18641 Amador Northern foothills, Sierra Nevada Mountains: Bell Road, 0.2 mile E of its junction with CA-49 270 Comment
  UCD90704  Poa bulbosa J. C. Tothill 1958-4-13 s.n. Amador Fiddletown (ca. 6 miles east of Plymouth.) 426 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
  UC39652  Poa howellii Geo. Hansen 1896-6-30 1779 Amador Carpenter's Gulch 548 Comment
  UCD80601  Poa howellii CNPS SN Foothill Team 2006-6-1 SNNR 0761 a Amador BLM Parcel. 518 Comment
  UCR237143  Poa pratensis subsp. pratensis George K. Helmkamp, E. A. Helmkamp 2012-7-14 19415 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
  RSA7237  Poa secunda C. B. Wolf 1933-7-1 5137 Amador 17 mi. E. of Pine Grove on the Carson Pass Highway 1524 Comment
  UCR246652  Poa secunda George K. Helmkamp, E. A. Helmkamp 2012-6-6 19126 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.1 miles west of Cooks Station 1439 Comment
  HSC10797  Poa secunda subsp. secunda J. V. Lenz 1947-5-24 Amador Fiddletown. Comment
  UCD36433  Poa secunda subsp. secunda Beecher Crampton 1953-7-30 1561 Amador 1 mile W of Tragedy Springs, along Highway 88. 2438 Comment
  UCD90493  Poa secunda subsp. secunda A. A. Beetle 1942-7-28 3762 Amador Between Silver and Twin Lakes. 1981 Comment
  UCD90495  Poa secunda subsp. secunda A. A. Beetle 1942-7-27 3762 Amador El Dorado National Forest, N shore of Silver Lake. Comment
  UCD90799  Poa secunda subsp. secunda A. A. Beetle 1942-7-27 3760 Amador El Dorado National Forest, N shore of Silver Lake. Comment
  UCD92049  Poa secunda subsp. secunda J. M. Tucker 1954-6-5 2705 Amador Beside Highway 88, ca. 5 miles below Cook's Station. 1219 Comment
  JEPS70685  Poa tenerrima W. L. Jepson 1929-4-29 15236 Amador Willow Springs sta. 198 Comment
  UCD92081  Poa tenerrima Beecher Crampton 1973-10-23 9028 Amador 3 miles west of Plymouth. Comment
  SEINET949814  Poaceae G. K. Helmkamp, Elizabeth Helmkamp 2006-1 10359 Amador Northern Sierra Nevada Foothills: Along CA Hwy 88, 0.9 mi. S of El Dorado County line at Enterprise (Fiddletown 7.5' Q.). 274 Comment
  JEPS13551  Pogogyne serpylloides Rimo Bacigalupi with G. T. Robbins 1955-5-22 5174 Amador 1.6 miles due South of Ione, on road to Buena Vista corners 91 Comment
  UC1124627  Pogogyne serpylloides H. S. Yates 1935-4-26 5148 Amador 1 1/2 miles S. of Ione 106 Comment
  CAS-BOT-BC167544  Polygala cornuta var. cornuta Geo. Hansen 1893-8-1 470 Amador Agrc. Station 609 Comment
  UC1280823  Polygala cornuta var. cornuta H. E. McMinn 1937-9-26 5086 Amador Mt. Zion Comment
  SD247488  Polygonum aviculare George K. Helmkamp, Elizabeth Helmkamp 2012-9-7 22281 Amador Northern Sierra Nevada Mountains: on the south side of CA-88/Carson Pass Hwy, c. 0.3 mile west of the junction with Bear River Reservoir Road (Peddler Hill 7.5'Q) 1933 Comment
  RSA466315  Polygonum davisiae E. E. Stanford 1933-8-15 2173 Amador Amador and Alpine County: Near Mud Lake. 2439 Comment
  UCD100269  Polygonum douglasii T. E. Weier 1940-7-25 s.n. Amador 2 miles south of Carson Spur. Comment
  UCR259890  Polygonum hydropiper George K. Helmkamp, Elizabeth Helmkamp 2013-10-18 22442 Amador Sierra Nevada Mountains Foothills, Plymouth, at the junction of Mineral Street and Mill Street, near Hwy CA-49 329 Comment
  UCR237087  Polygonum 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
  UCR237088  Polygonum phytolaccifolium George K. Helmkamp, E. A. Helmkamp 2012-7-14 19416 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
  UCD18687  Polygonum polygaloides subsp. kelloggii Roman Gankin 1956-6-20 172 Amador NW side of Silver Lake. Comment
  UC1281011  Polygonum shastense H. E. McMinn 1933-9-3 3428 Amador near Center Peak 2743 Comment
  CAS-BOT-BC233233  Polypogon maritimus John Thomas Howell; R. C. Barneby 1954-5-13 29532 Amador Plymouth 274 Comment
  UC39762  Polypogon maritimus Geo. Hansen 1892-1 607 Amador near Jackson Comment
  UCD91285  Polypogon monspeliensis Beecher Crampton 1957-5-28 4053 Amador Along State Hwy. 16, ca. 3.5 miles west of Drytown, 0.25 mile east of Willow Springs School. Comment
  UC1134774  Populus fremontii subsp. fremontii R. D. Roseberry 1935-5-8 151 Amador 1/4 mi nw Lancha Plana; Jackson Quadrangle, nw of Lancha Plana Comment
  UC4924  Populus tremuloides Geo. Hansen 1892-1 Amador Silver Lake Comment
  CAS-BOT-BC141964  Potentilla bruceae W. B. Duncan 1927-8-1 s.n. Amador Vicinity of Silver Lake Comment
  UC2048907  Potentilla bruceae Barbara Ertter with David Gowen and Steve Matson 2006-9-10 18775 Amador Kirkwood Meadow SW of junction of Highway 88 and road to Kirkwood Ski Area. Comment
  UCR190707  Potentilla drummondii subsp. bruceae George 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
  UC1281103  Potentilla fruticosa H. E. McMinn 1932-7-21 2953 Amador Thimble Peak Comment
  UCR237273  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 2317 Comment
  UCR242621  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 2162 Comment
  UCD119044  Primula suffrutescens Dr. T. I. Storer 1938-8-11 s.n. Amador 2 mi. s. of Carson Spur. 2651 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
  CAS-BOT-BC159916  Prunus emarginata Geo. Hansen 1893-9-1 797 Amador Cold Springs 1828 Comment
  UCD113445  Prunus emarginata T. I. Storer 1925-7-12 570 Amador Silver Lake. Comment
  CAS-BOT-BC154620  Prunus subcordata M. K. Curran 1886-5-25 s.n. Amador unspecified Comment
  UC12729  Prunus virginiana var. demissa Geo. Hansen 1892-1 Amador Amador County Comment
  JEPS12988  Pseudognaphalium californicum Rimo Bacigalupi with G. T. Robbins 1955-5-6 5035 Amador heath-like meas above old quarry just e of Ione 106 Comment
  UC1118504  Pseudognaphalium californicum R. D. Roseberry 1935-5-2 129 Amador summit Buena Vista Peak; Jackson Quadrangle, Buena Vista Peak 243 Comment
  UC672193  Pseudognaphalium californicum H. L. Mason 1933-5-29 7249 Amador chaparral hills above Ione Comment
  UC672220  Pseudognaphalium californicum H. L. Mason 1932-4-25 6994 Amador hills above Ione Comment
  CAS-BOT-BC357232  Pseudognaphalium microcephalum Ernest Braunton 1904-8-1 1198 Amador Preston School of Industry, Waterman. School Grounds Comment
  UCR202674  Pseudotsuga menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2008-9-22 14134 Amador Northern Sierra Nevada Mountains, north side of CA-88, 0.2 mile northeast of Silver Lake 2266 Comment
  NY26773  Psoralea douglasii var. hansenii G. Hansen 1896-10-9 1500 Amador New York Falls 609.6 Comment
  CAS-BOT-BC72528  Pteridium aquilinum Geo. Hansen 1895-9-1 1294 Amador Agrc. Station 609 Comment
  SEINET9318151  Pteridium aquilinum var. pubescens Unknown 2010-6-23 16336 Amador Sierra Nevada Mountains Foothills Comment
  UCR252960  Pteridium aquilinum var. pubescens George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22157 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 9.6 miles northeast of the town of Sutter Creek 569 Comment
  CAS-BOT-BC460482  Pterospora andromedea Gwendolan Newell 1929-8-23 s.n. Amador Hidden Lake, Silver Lake 2206 Comment
  CAS-BOT-BC421135  Pterostegia drymarioides Geo. Hansen 1892-4-1 s.n. Amador Mokelumne River 548 Comment
  UCR234610  Puccinellia nuttalliana George K. Helmkamp, E. A. Helmkamp 2011-8-6 18011 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  RSA0084292  Pyrola dentata Diana Jolles 2005-7-17 140 Amador Above Highway 88 across from the general store at Kirwood (a cliff), Eldorado National Forest. 2411 Comment
  UCD117829  Pyrola dentata T. E. Weier 1940-7-25 s.n. Amador 2 mi. so. Of Carson Spur. Comment
  CAS-BOT-BC36649  Quercus Geo. Hansen 1894-4-1 924 Amador Savage Hill 609 Comment
  CAS-BOT-BC36650  Quercus Geo. Hansen 1894-9-1 922 Amador Elsie's Creek 914 Comment
  CAS-BOT-BC45801  Quercus Geo. Hansen 1895-9-1 1328 Amador Grass Valley 914 Comment
  CAS-BOT-BC45802  Quercus Geo. Hansen 1895-9-1 1330 Amador Grass Valley 914 Comment
  CAS-BOT-BC45807  Quercus Geo. Hansen 1892-4-1 914 Amador Pine Grove 762 Comment
  UC161081  Quercus Geo. Hansen Aug 1895 915 Amador Irishtown Sequoia Gigantea Region 457 Comment
  CAS-BOT-BC105025  Quercus X morehus Geo. Hansen 1895-4-1 916 Amador Clinton, Sequoia Region 609 Comment
  CDA13204  Quercus X morehus G. F. Hrusa, J. Hart 1996-5-9 12929 Amador Cosumnes River Drainage; Howard Ranch. Hills S of Twin Cities Rd. (Hwy. 104). Comment
  POM106276  Quercus X morehus Geo. Hansen 1895-7-28 925 Amador West Point Bridge, Flora of the Sequoia Gigantea Region. 701 Comment
  CAS-BOT-BC62678  Quercus chrysolepis Geo. Hansen 1895-1-1 966 Amador Agrc. Station 609 Comment
  CAS-BOT-BC62723  Quercus chrysolepis Carl B. Wolf 1931-9-12 2425 Amador School house grounds, Pine Grove 609 Comment
  SBBG20026  Quercus chrysolepis M. A. Piehl 1959-8-2 59505 Amador St Hwy 88, ca. 20 mi NE of Jackson Comment
  SD11861  Quercus chrysolepis Carl B. Wolf 1931-9-12 2425 Amador Pine Grove, at school house grounds 609 Comment
  UC187007  Quercus chrysolepis Geo. Hansen Feb 1895 965 Amador Agrc. Station Sequoia Region, New York Falls 609 Comment
  UC187008  Quercus chrysolepis Geo. Hansen 1893-7-1 919 Amador El<???> Creek Sequoia Region 914 Comment
  UC527366  Quercus chrysolepis Carl B. Wolf 1931-9-12 Amador Pine Grove 609 Comment
  UC5507  Quercus chrysolepis Geo. Hansen Sept 1895 1329 Amador Pine Grove Sequoia Gigantea Region 701 Comment
  UCD45397  Quercus chrysolepis G. T. Nordstrom 1936-4-23 741 Amador 1.8 miles northwest of Volcano. 914 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
  UCD82554  Quercus chrysolepis Rodney Gale Myatt 1972-6-1 1698 -18 Amador Pine Grove. 730 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
  RSA78970  Quercus chrysolepis var. hansenii E. K. Balls, P. C. Everett 1952-10-7 18093 Amador Pine Grove School grounds, Hwy 88, Carson Pass Road. 762 Comment
  RSA78975  Quercus chrysolepis var. hansenii E. K. Balls, P. C. Everett 1952-10-7 18096 Amador 0.1 mi. e. of Pine Grove School, Hwy 88, Carson Pass Hwy. 762 Comment
  CAS-BOT-BC86625  Quercus douglasii Geo. Hansen 1893-9-1 1226 Amador New York Falls / Agrc. Station 609 Comment
  CAS-BOT-BC86626  Quercus douglasii Geo. Hansen 1895-8-1 1219 Amador Savage Hill 609 Comment
  SACT002122  Quercus douglasii Herbert Copeland 1935-3-24 Amador Comment
  UC5570  Quercus douglasii Geo. Hansen Jun 1893 920 Amador Agrc. Station Sequoia Region 609 Comment
  UCD45719  Quercus douglasii D. Q. Cavagnaro 1963-9-11 22 Amador State Highway 49, 6.3 miles north of Plymouth, Amador County, California. Elevation 1000 feet. 304 Comment
  UCR194978  Quercus douglasii George K. Helmkamp, E. A. Helmkamp 2007-10-13 13101 Amador Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.6 mile south of Plymouth 314 Comment
  UCR201734  Quercus douglasii George K. Helmkamp, E. A. Helmkamp 2008-10-23 14279 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
  UC161097  Quercus garryana var. breweri Geo. Hansen Aug 1895 1330 Amador Grass Valley Sequoia Gigantea Region Comment
  CAS-BOT-BC105130  Quercus kelloggii Geo. Hansen 1894-10-1 923 Amador Salt Springs 1676 Comment
  CAS-BOT-BC105135  Quercus kelloggii Geo. Hansen 1895-7-10 915 Amador Irishtown 457 Comment
  CAS-BOT-BC105140  Quercus kelloggii Clarence R. Quick 1954-9-22 54 -86 Amador Panther Ridge Road NE of Jacson Comment
  POM106227  Quercus kelloggii Geo. Hansen 1894-3-4 924 Amador Pinegrove, Sequoia gigantea region. 671 Comment
  POM106228  Quercus kelloggii Geo. Hansen 1895-7-28 1198 Amador West Point Bridge, Flora of the Sequoia Gigantea Region. 701 Comment
  POM106365  Quercus kelloggii Geo. Hansen 1896-9-4 60 Amador Middle Fork, Sequoia gigantea region. 396 Comment
  SEINET5644367  Quercus kelloggii D. Q. Cavagnaro 1963-9-12 25 Amador Near State Highway 88, 20 miles northeast of Pine Grove.; 0 Comment
  UC1135664  Quercus kelloggii C. M. Belshaw 1936-7-1 2408 Amador 0.5 mi wsw Whitmore; Jackson Quad. 1005 Comment
  UC162952  Quercus kelloggii Geo. Hansen Aug 1895 1223 Amador Savage Hill Sequoia Gigantea Region 670 Comment
  UC5664  Quercus kelloggii Geo. Hansen Apr 1895 1220 Amador Savage Hill Sequoia Gigantea Region 670 Comment
  UC5665  Quercus kelloggii Geo. Hansen Sep 1895 1331 Amador Grass Valley Sequoia Gigantea Region 762 Comment
  RSA725819  Quercus lobata George K. Helmkamp, E. A. Helmkamp 2006-10-6 11460 Amador Northern Sierra Nevada Mountains Foothills: along Hwy CA-49 near Enterprise, 1.8 miles south of El Dorado Co. line. Comment
  UC5639  Quercus lobata Geo. Hansen Sep 1893 202 Amador Pine Grove Sequoia Gigantea Region 701 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
  CAS-BOT-BC104472  Quercus vacciniifolia Geo. Hansen 1893-7-1 204 Amador Silver Lake 2438 Comment
  UCD47459  Quercus vacciniifolia D. Q. Cavagnaro 1963-9-12 26 Amador Just below Lumberyard Ranger Station, State Highway 88, 14 miles southwest of Silver Lake, Amador County, California. 1950 Comment
  UCD83679  Quercus vacciniifolia D. Q. Cavagnaro 1963-9-12 30 Amador State Highway 88, 12 mi SW of Silver Lake. 2011 Comment
  RSA128353  Quercus wislizeni Peter H. Raven 1950-2-11 1343 Amador Sierra Foothills at Ione, E and SE of town. 91 Comment
  UC5700  Quercus wislizeni Geo. Hansen Apr 1895 1228 Amador Lancha Plana Sequoia Region 60 Comment
  UC1126135  Ranunculus alismifolius var. alismifolius B. Schreiber 1937-6-13 2406 Amador Silver Lake El Dorado National Forest, Pyramid Peak Quadrangle Comment
  UC614758  Ranunculus alismifolius var. alismifolius Beryl O. Schreiber 1937-6-13 2406 Amador Silver Lake 2194 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
  UCD95850  Ranunculus aquatilis var. diffusus Beecher Crampton 1975-4-16 9156 Amador SW portion of the county, along Hwy 88, Rancho Arroyo Seco. Comment
  JEPS55028  Ranunculus californicus W. L. Jepson 1929-4-29 15221 Amador 5 mi n Ione (Iron Creek bridge); Iron Creek 152 Comment
  JEPS78663  Ranunculus californicus Edward Lee 1936-2-29 1755 Amador about 3/4 mi n Jackson (Jackson Gate Road) Comment
  UC1126155  Ranunculus californicus R. D. Roseberry 1935-4-22 105 Amador 8 1/2 mi nw Ione (Plot 77); Jackson Quadrangle Comment
  UCR171174  Ranunculus californicus George K. Helmkamp, E. A. Helmkamp 2006-3-19 10099 Amador Northern Sierra Nevada Foothills, Along Calif. Highway 49 south of Plymouth 323 Comment
  RSA653993  Ranunculus californicus Beecher Crampton 1975-4-16 9155 Amador SW portion of the county, along Hwy 88, Rancho Arroyo Seco. Comment
  SEINET7042604  Ranunculus californicus A. G. Vestal 1963-5-28 s.n. Amador Barton Meadow, Barton. 19 miles east northeast of Jackson on Route 88. West Point quadrangle UTM Zone 10, 715742mE, 4258847mN. Comment
  UCD96197  Ranunculus eschscholtzii var. oxynotus G. L. Stebbins Jr. 1951-7-20 5015 Amador above Winnemucca Lake, south of summit of Carson Pass, 22 km. south of Lake Tahoe. 2834 Comment
  POM269614  Ranunculus flammula var. ovalis Lyman Benson 1931-8-23 283 Amador Silver Lake, Sierra Nevada Mts. 2287 Comment
  UCR173361  Ranunculus glaberrimus George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10364 Amador Northern Sierra Nevada Foothills, Near Enterprise, c. 0.4 mi. east of Calif. Hwy 88 on an unnamed dirt road (probably Bell Road) 305 Comment
  UC118183  Ranunculus occidentalis Geo. Hansen Mar 1893 124 Amador Agrc. Station Sequoia Region 609 Comment
  UCD96806  Ranunculus occidentalis G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11790 Amador Foothills, Northern Sierra Nevada Mountains: along Bell Road beside Plymouth Creek just east of CA-49 in the vicinity of Enterprise. 302 Comment
  SEINET7040280  Ranunculus occidentalis 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
  RSA400020  Ranunculus occidentalis var. eisenii F. C. Ball 1933-4-12 18276 Amador Jackson Comment
  SEINET5338830  Ranunculus occidentalis var. eisenii D. Neal 1960-3-21 R- 30 Amador Along the south fork, American River, 4 mi. N of Placerville. 792 Comment
  POM269468  Ranunculus oxynotus H. E. McMinn 1932-7-27 2908 Amador Amador County: E of Neddles Eye, Silver Lake. 2744 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
  UC18575  Rhamnus rubra Geo. Hansen 1892-1 Amador Comment
  UC1121792  Rhamnus tomentella subsp. tomentella B. Schreiber 1936-5-23 2240 Amador 1.2 mi nne Amador City; Jackson Quad. 457 Comment
  UC1121796  Rhamnus tomentella subsp. tomentella G. T. Nordstrom 1936-4-18 700 Amador 1.25 mi sw Bisbee Peak; Jackson Quad. 213 Comment
  JEPS78385  Ribes californicum Edward Lee 1936-2-29 1756 Amador ca. 8 road mi e Ione (between Ione and Jackson) Comment
  UC1182097  Ribes californicum Edward Lee 1936-2-29 1757 Amador ca. 8 road mi e Ione (between Ione and Jackson) Comment
Read comments
Jul 22 2018
  UCSC000340  Ribes californicum C. M. Belshaw 1936-4-27 2004 Amador 2.75 miles east of Ione on Jackson Road 122 Comment
  POM274739  Ribes cereum Lyman Benson 1931-8-24 2848 Amador Sierra Nevada, Silver Lake. Comment
  SEINET5628871 Image available Ribes cereum Unknown 1904-1 151 Amador Silver Lake Comment
  UCR219039  Ribes cereum var. cereum George K. Helmkamp, E. A. Helmkamp 2010-7-13 16507 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  UC1127293  Ribes malvaceum R. D. Roseberry 1935-5-2 127 Amador w side Buena Vista Pk.; Jackson Quadrangle Comment
  RSA0021913  Ribes montigenum H. E. McMinn 1933-9-3 3250 Amador Along trail from Carson Lodge to Center Peak. 2591 Comment
  UC1281029  Ribes roezlii H. E. McMinn 1931-7-30 2624 Amador near Kit Carson Lodge; Silver Lake Comment
  UCSB16040  Ribes roezlii Breedlove, Dennis 1962-6-14 Amador along State Highway 88; 18.9 miles east of Pine Grove; Sierra Nevada 1524 Comment
  RSA0024706  Ribes roezlii Geo. Hansen 1896-6-28 1679 Amador Antelope. 1280 Comment
  CAS-BOT-BC198950  Ribes roezlii var. roezlii Geo. Hansen 1892-3-1 229 Amador Clinton 609 Comment
  UC1281043  Ribes viscosissimum H. E. McMinn 1932-9-9 2998 Amador Silver Lake Comment
  UC90679  Rigiopappus leptocladus Mrs. K. Curran May 1886 Amador Comment
  CHSC55705  Robinia pseudoacacia Steven Triano 1988-4-29 100 Amador Ca 25 ft e of Hwy. 49 in s Sutter Creek and 0.5 mi n of Ridge Rd. 451 Comment
  SD239667  Rorippa George K. Helmkamp, E. A. Helmkamp 2012-7-2 19317 Amador Northern Sierra Nevada Mountains Foothills: Bear Ri ver Road, 0.3 miles east of the Lower Bear River Reservoir dam (Bear River Reservoir 7.5'Q) 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
  UCR237726  Rorippa curvipes var. curvipes George K. Helmkamp, E. A. Helmkamp 2012-7-14 19382 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
  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
  CDA25125  Rorippa nasturtium-aquaticum T. C. Fuller 1958-4-29 Amador Preston School, Ione. 0 Comment
  SEINET3840861  Rorippa sinuata G. Douglas Barbe, Thomas C. Fuller, J. T. Howell 1981-8-10 3397 Amador Just west of Carson Spur, Small lake on south side of highway 88, one mile west of road to Lake Kirkwood, 3.6 miles west of Silver Lake (bridge) 2400 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
  CAS-BOT-BC147377  Rosa californica Geo. Hansen 1894-6-1 1310 Amador Pine Grove 762 Comment
  CAS-BOT-BC148104  Rosa gymnocarpa Geo. Hansen 1895-9-1 8076 Amador Pine Grove 914 Comment
  UC191248  Rosa gymnocarpa Geo. Hansen 1893-7-7 806 Amador Sequoia Region, Carpenter's Gulch Carpenter's Gulch; Sequoia Region, Carpenter's Gulch 609 Comment
  OBI10004  Rosa pinetorum H. E. McMinn 1937-8-6 5047 Amador Near ranger station. 36 mi E of Jackson Comment
  UCR252961  Rubus armeniacus George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22156 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 9.6 miles northeast of the town of Sutter Creek 569 Comment
  CAS-BOT-BC147151  Rubus laciniatus J. Hyland 1966-9-6 s.n. Amador Hwy 88, Pine Grove, Sierra Nevada 609 Comment
  UC1281060  Rubus laciniatus H. E. McMinn 1937-8-4 5038 Amador about two mi e Pine Grove; e of Pine Grove Comment
  CAS-BOT-BC147195  Rubus parviflorus Hansen 1892-8-1 238 Amador unspecified Comment
  UC12968  Rubus parviflorus Geo. Hansen 1892-1 Amador Comment
  OBI9985  Rubus pensilvanicus H. E. McMinn 1937-8-4 5055 Amador Along hwy between Pine Grove and Bartons' Escape Comment
  UCSB24438  Rubus ursinus McMinn, Howard 1937-8-4 Amador Along Kit Carson Highway about 3 miles from Jackson Comment
  CAS-BOT-BC363137  Rudbeckia californica John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-8-10 54421 Amador Peddler Hill, Carson Pass road 2084 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
  UCR257009  Rumex acetosella George K. Helmkamp, Mary Alice Barnes 2013-5-13 20573 Amador Sierra Nevada Mountains, Fiddletown Road, c. 9 miles northeast of its junction with E-16/Shenandoah Rd. near Plymouth 665 Comment
  CDA2875  Rumex acetosella T. C. Fuller 1958-4-29 s.n. Amador Preston School, Ione. 0 Comment
  CDA17151  Rumex pulcher G. F. Hrusa, J. Glazner 2001-6-7 15865 Amador Ione Region; Sutter Ione Rd. 0.6 mi. E of Hwy 124 and +/- 3-4 mi. N of Ione. 213 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-BC445659  Sagittaria cuneata G. Thomas Robbins 1956-9-10 3765 Amador Just to the south of Carson Spur, along State Highway 88 2435 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
  POM296465  Sagittaria cuneata Lyman Benson 1931-8-26 2884 Amador Sierra Nevada Mtn range, Silver Lake. 2287 Comment
  CAS-BOT-BC132736  Salix arctica Gwendolan Newell 1929-8-24 s.n. Amador Summit, Emigrant trail, Silver Lake 2438 Comment
  CAS-BOT-BC103025  Salix bonplandiana C. A. G. 1903-6-20 245 Amador Near Plymouth Comment
  CAS-BOT-BC103042  Salix bonplandiana Alice Eastwood 1921-3-19 10137 Amador Ione Comment
  CAS-BOT-BC103449  Salix eastwoodiae W. B. Duncan 1927-8-1 s.n. Amador vicinity of Silver Lake Comment
  UC1134897  Salix exigua var. hindsiana G. T. Nordstrom 1936-5-27 807 Amador 4.3 mi nw Volcano; Jackson Quadrangle Comment
  CAS-BOT-BC104069  Salix hindsiana C. A. G. 1903-6-22 s.n. Amador Near Plymouth, Indian Creek Comment
  CAS-BOT-BC104071  Salix hindsiana Geo. Hansen 1892-4-1 200 Amador Pine Grove 762 Comment
  UC1280863  Salix jepsonii H. E. McMinn 1933-7-10 3157 Amador near Center Peak Silver Lake 2743 Comment
  CDA12827  Salix laevigata G. F. Hrusa, J. Hart 1996-3-16 12660 Amador Cosumnes River Drainage; E side of Latrobe Rd. immed. S of Cosumnes River crossing. Comment
  UCD111128  Salix laevigata G. F. Hrusa; J. Hart 1996-3-16 12660 Amador Consumes River Drainage. 6 meters tall on E side of Latrobe Rd. immed. S of Consumes River crossing. 200 Comment
  CAS-BOT-BC107363  Salix lasiolepis var. lasiolepis Geo. Hansen 1893-5-1 801 Amador New York Falls 609 Comment
  RSA362876  Salix orestera H. E. McMinn 1933-9-3 3257 Amador About 1.5 miles from Center Peak. 2652 Comment
  UC1280867  Salix orestera H. E. McMinn 1933-9-3 3257 Amador ca. 1 1/2 mi. from Center Peak Comment
  CDA36232  Salsola tragus G. K. Helmkamp, E. A. Helmkamp 2009-9-22 15645 Amador Sierra Nevada Mountains Foothills; Junction of Shenandoah Road (CA Hwy 16) and Steiner Road, southwest of River Pines. Comment
  POM199581  Salvia sonomensis H. L. Mason 1932-4-24 s.n. Amador 3 miles S of Ione Comment
  UC762471  Salvia sonomensis R. F. Hoover 1937-6-10 2414 Amador Ione Comment
  UCR250276  Salvia sonomensis George K. Helmkamp, E. A. Helmkamp 2009-3-26 14482 Amador Sierra Nevada Mtns. Foothills, south of Ione, CA-88 between Buena Vista Rd. and South Church St. 125 Comment
  POM68479  Sambucus callicarpa Geo Hansen 1893-12-28 796 Amador [Unspecified] 2439 Comment
  UC1125314  Sambucus mexicana R. D. Roseberry 1935-4-22 104 Amador 6 mi nw Ione; Jackson Quadrangle Comment
  CAS-BOT-BC238586  Sambucus nigra subsp. caerulea Geo. Hansen 1891-5-1 186 Amador Pine Grove 914 Comment
  UC889758  Sambucus racemosa var. microbotrys Carl B. Wolf 1933-8-10 5209 Amador 1/2 mi above Tragedy Springs (on Carson Pass Hwy); Sierra Nevada 2407 Comment
  CAS-BOT-BC235066  Sambucus racemosa var. racemosa Geo. Hansen 1893-8-1 796 Amador Tragedy Springs 2286 Comment
  UC861873  Sanguisorba annua Carl B. Wolf 1933-7-1 5143 Amador on Carson Pass Highway 8 mi above Pine Grove (King's Ranch); W. Slope Sierra Nevada, above Pine Grove on Carson Pass Hwy 975 Comment
  UCR197326  Sanguisorba annua George K. Helmkamp, E. A. Helmkamp 2008-7-11 13788 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.2 mile west of Carson Spur Summit 2421 Comment
  JEPS258  Sanicula bipinnata W. L. Jepson 1929-4-28 15209 Amador Ione 121 Comment
  UC196091  Sanicula bipinnata Geo. Hansen 1896-3-25 1513 Amador Sequoia Gigantea Region, Stoney Creek Stoney Creek; Sequoia Gigantea Region, Stoney Creek 304 Comment
  CAS-BOT-BC223205  Sanicula bipinnatifida Geo. Hansen 1893-3-1 1298 Amador Agrc. Station 609 Comment
  UC1123172  Sanicula bipinnatifida R. D. Roseberry 1935-4-20 88 Amador 4 mi w of Buena Vista 106 Comment
  UC196092  Sanicula bipinnatifida Geo. Hansen 1893-4-5 1296 Amador Sequoia Gigantea Region, New York Falls New York Falls; Sequoia Gigantea Region, New York Falls 457 Comment
  UCD112583  Sanicula bipinnatifida Christopher Mallek 2008-4-30 RP2- 5 Amador River Pines. 688 Comment
  UCR187293  Sanicula bipinnatifida George K. Helmkamp, E. A. Helmkamp 2007-4-5 11730 Amador Foothills, Northern Sierra Nevada Mountains, Sutter to Ione Road, 0.4 mi east of CA-49, northeast of Ione 180 Comment
  UC1287759  Sanicula crassicaulis Geo. Hansen 1893-4-29 75 Amador Sequoia Gigantea Region, New York Falls New York Falls; Sequoia Gigantea Region, New York Falls 457 Comment
  UC1287961  Sanicula crassicaulis Geo. Hansen 1896-4-8 1559 Amador Sequoia Gigantea Region, Drytown Drytown; Sequoia Gigantea Region, Drytown 152 Comment
  UC1319601  Sanicula crassicaulis Geo. Hansen 1896-5-19 1655 Amador Sequoia Gigantea Region, Irishtown Irishtown; Sequoia Gigantea Region, Irishtown 457 Comment
  UCR198463  Sanicula crassicaulis George K. Helmkamp, E. A. Helmkamp 2008-3-12 13173 Amador Sierra Nevada Mountains Foothills, along Tonzi Road 0.3 miles west of its junction with CA-49, west of Sutter Creek 360 Comment
  UCR230665  Sanicula crassicaulis George K. Helmkamp, E. A. Helmkamp 2011-5-10 17227 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
  UCR232208  Sanicula crassicaulis George K. Helmkamp, E. A. Helmkamp 2011-6-7 17493 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
  UCR250052  Sanicula crassicaulis George K. Helmkamp, Elizabeth Helmkamp 2013-5-22 20658 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
  UC614750  Sanicula tuberosa B. Schreiber 1937-6-13 2404 Amador Silver Lake 2194 Comment
  UC69920  Sarcodes sanguinea Earle Mulliken Jul 27 1904-Aug 5 1904 117 Amador Silver Lake 2194 Comment
  CAS-BOT-BC466325  Sarcodes sanguinea Earle Mulliken 1904-7-27 117 Amador Sierra Nevada Mountains: Silver Lake 2194 Comment
  UCR246405  Saxifraga californica George K. Helmkamp, E. A. Helmkamp 2012-3-22 18623 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
  CAS-BOT-BC278207  Schedonorus arundinaceus John Thomas Howell 1954-5-18 29854 Amador 2 miles nnw. of Buena Vista 91 Comment
  CAS-BOT-BC110887  Scirpus microcarpus W. B. Duncan 1927-8-1 s.n Amador Vicinity of Silver Lake Comment
  CAS-BOT-BC110889  Scirpus microcarpus W. B. Duncan 1927-8-1 s.n Amador Vicinity of Silver Lake Comment
  UC2162  Scirpus microcarpus Geo. Hansen 1892-1 637 Amador near Jackson; near Jackson Comment
  UCR191127  Scirpus microcarpus George K. Helmkamp, E. A. Helmkamp 2007-8-16 12767 Amador Northern Sierra Nevada Mountains, along the south side of Bear River Reservoir just east of the spillway 1777 Comment
  JEPS34377  Scribneria bolanderi Rimo Bacigalupi with L. R. Heckard 1963-5-13 8853 Amador 1/3 mi e of Willow Springs School (along Highway 16, at crossing of tributary of Willow Creek, 0.5 mi w of junction with Highway 104 (formerly Waits Station)); Highway 16 195 Comment
  UC1124887  Scutellaria californica C. M. Belshaw 1936-7-4 2418 Amador Clinton 670 Comment
  UC1124888  Scutellaria californica B. Schreiber 1936-5-23 2239 Amador 1.2 mi nne of Amador City 457 Comment
  HSC40732  Scutellaria californica R. York 1977-6-24 16 Amador Around Tiger Creek Reservoir 305 Comment
  UCD125743  Scutellaria tuberosa Roman Gankin; R. W. Hildreth, S. C. Tucker 1966-4-19 s.n. Amador Carbondale. Comment
  UCD125748  Scutellaria tuberosa Arleen Meyer 1975-5-3 s.n. Amador Highway 88, 0.2 miles from the junction of highway 124. 152 Comment
  SD192997  Sedella pumila Tom Hensel 1990-4-28 H 527 Amador 1.5 miles northwest of Volcano on a private ranch. 609 Comment
  UC1070154  Senecio flaccidus var. douglasii P. L. Johannsen 1937-7-27 1269 Amador 0.75 mi sw Middle bar; Jackson Quad. 213 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
  CDA17054  Senecio integerrimus var. exaltatus G. F. Hrusa, J. Glazner 2003-7-22 16124 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  UC69674  Senecio triangularis Earle Mulliken Jul 27 1904-Aug 5 1904 131 Amador Silver Lake Sierra Nevada Mountains, Silver Lake 2194 Comment
  UCR248373  Senecio triangularis George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21022 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  POM272148  Senecio triangularis Lyman Benson 1931-8-23 2838 Amador Silver Lake, Sierra Nevada Mtn range.Silver Lake, Little Kern River tributary, Sierra Nevada. 2287 Comment
  UC71889  Senecio triangularis Geo. Hansen 1892-1 415 Amador Comment
  SD248307  Setaria pumila George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22150 Amador Sierra Nevada Mountains Foothills: Sutter Creek Volcano Road, 11.3 miles NE of the town of Sutter Creek (Pine Grove 7.5'Q) 582 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
  SEINET7067438  Sidalcea asprella A. G. Vestal 1947-6-5 s.n. Amador About 3.3 miles from West Point Junction at Route 88 on Route 26. Coordinate datum: NAD27. UTM Zone 10, 713151mE, 4254928mN. Comment
  SJSU8495  Sidalcea asprella T. N. Seeno 1962-4-28 183 Amador off Hwy 108, 5 mi N of Ione 396 Comment
  SEINET7040286  Sidalcea asprella A. G. Vestal 1963-5-28 s.n. Amador Meadow near Barton on Route 88. West Point Quadrangle UTM Zone 10, 715691mE, 4258625mN. Comment
  UCR257065  Sidalcea calycosa George K. Helmkamp, Mary Alice Barnes 2013-5-17 20619 Amador Foothills, Northern Sierra Nevada Mountains, Stony Creek Road, 8.7 miles southwest of Jackson, 0.58 mi. NNE (07 deg. ) of Chrome Mountain 308 Comment
  UCR233130B  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2011-8-6 17997 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 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
  UC1121971  Sidalcea hartwegii R. D. Roseberry 1935-5-2 133 Amador nw side Buena Vista Peak; Jackson Quadrangle, Buena Vista Peak 228 Comment
  UC1614092  Sidalcea hartwegii Charles M. Belshaw 1935-5-30 799 Amador Ione Comment
  UCR256514  Sidalcea hartwegii George K. Helmkamp, Amy Barnes 2014-5-8 22861 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 0.2 mile east of old CA-49 in town of Sutter Creek 375 Comment
  UCSB16658  Sidalcea malviflora Breedlove, Dennis 1962-6-14 Amador Along State Highway 88, 10 miles east of Pine Grove; Sierra Nevada 1005 Comment
  UCR242830  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2010-9-1 16879 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
  RSA122050  Sidalcea malviflora subsp. asprella G. T. Nordstrom 1936-5-14 795 Amador 1-3/4 miles S. E. of Plymouth. Jackson quadrangle 366 Comment
  UC108906  Sidalcea reptans Geo. Hansen Jul 1893 506 Amador Antelope Sequoia Gigantea Region, Antelope 1280 Comment
  UC1137866  Silene gallica G. T. Nordstrom 1936-5-5 788 Amador 2.5 mi w Sutter Creek; Jackson Quad. Comment
  UC924258  Silene gallica H. S. Reed 1941-5-6 Amador Ione 243 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
  UCR218181  Silene gallica George K. Helmkamp, E. A. Helmkamp 2010-5-31 16186 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 3.3 miles east of the village of Sutter Creek 413 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
  CAS-BOT-BC387038  Silene gallica Alice Eastwood 1921-4-18 10288 Amador Antioch, Contra Costa Comment
  CAS-BOT-BC181276  Silene invisa Dean Wm. Taylor; Rexford E. Palmer 1983-8-28 8283 Amador Kirkwood Meadows Ski Aera, northeast facing slope in avalance paths. 2438 Comment
  UC1529057  Silene invisa Dean Wm. Taylor, Rexford E. Palmer 1986-8-16 8841 Amador w shore 0.4 mi s of outlet Silver Lake; w shore of Silver Lake Comment
  CAS-BOT-BC388978  Silene laciniata subsp. californica Geo. Hansen 1896-5-7 1622 Amador Elsie's Creek 822 Comment
  UC1126807  Sisymbrium officinale R. D. Roseberry 1935-4-17 92 Amador 2 mi w of Ione 99 Comment
  UC200813  Sisyrinchium Katharine Brandegee 1910-6-30 Amador Wylie Comment
  CAS-BOT-BC157525  Solanum umbelliferum L. Rowntree 1933-5-31 s.n. Amador Near Jackson Comment
  RSA122725  Solanum umbelliferum G. T. Nordstrom 1936-4-18 699 Amador 1.25 mi S.W. of Bisbee Pk. 213 Comment
  CDA41182  Solanum xanti Leland Brown 1959-4-6 2212 Amador One mile east of Plymouth on Fiddletown Road. 0 Comment
  UCD37550  Soliva sessilis Beecher Crampton 1955-3-29 2367 Amador 3 miles northwest of Ione, along Highway 104. Comment
  CAS-BOT-BC365834  Soliva sessilis John Thomas Howell 1954-5-18 29811 a Amador Hills, 2 miles nne. of Buena Vista 91 Comment
  RSA700630  Sorbus californica Gary D. Wallace 1987-6-23 2673 -B Amador Kirkwood Lake, near Hwy 88 NE of Silver Lake. Above lake. Comment
  UC1130588  Sparganium angustifolium Beryl O. Schreiber 1938-8-27 2541 Amador Carson Spur; El Dorado National Forest, Pyramid Peak Quad. 2438 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
  UCD94789  Sparganium natans W. R. Russell 1969-8-28 s.n. Amador Carson Spur, State Highway 88. 2435 Comment
  SEINET5723225 Image available Sparganium natans W. R. Russell 1969-1 s.n. Amador In shallow lake, Carson Spur, State Hwy 88. 2435 Comment
  CDA18866  Spartium junceum R. Wall 1999-5-29 s.n. Amador Sierra Nevada; 1/8 mile east of Greenstone Rd., on Sutter Creek Rd. 0 Comment
  CAS-BOT-BC389913  Spergula arvensis Alice Eastwood 1921-3-19 10091 Amador Ione Comment
  UC66311  Spergula arvensis subsp. arvensis Ernest Braunton Dec 1904 1262 Amador vicinity of Ione 60 Comment
  RSA0078105  Spergularia rubra George K. Helmkamp, E. A. Helmkamp 2006-10-6 11476 Amador Along Calif. Hwy 49, 1.1 miles south of Plymouth. 314 Comment
  SD113814  Spergularia rubra Darley F. Howe 1978-7-11 5065 Amador Route 124, 2 miles south of Ione Comment
  CAS-BOT-BC390985  Spergularia villosa Geo. Hansen 1896-4-13 1594 Amador Ione 91 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
  UCD128099  Sphenosciadium capitellatum T. E. Weier 1940-7-25 s.n. Amador 2 miles south of Carson Spur. Comment
  UC69666  Spiraea densiflora Earle Mulliken Jul 27 1904-Aug 5 1904 119 Amador Silver Lake; Sierra Nevada Mountains 2194 Comment
  UCR237738  Spiraea densiflora George K. Helmkamp, E. A. Helmkamp 2012-7-14 19375 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
  UCR253231  Spiraea densiflora George K. Helmkamp, Elizabeth Helmkamp 2013-7-6 20980 Amador Northern Sierra Nevada Mountains, Bear River Road at the south end of the dam for Lower Bear River Reservoir 1784 Comment
  POM28604  Stachys emersonii Geo. Hansen 1896-11-9 s.n. Amador Rancheria 610 Comment
  UCD83283  Stachys stricta CNPS SSN-SJV Foothill Team 2008-7-28 315 Amador Amador County; Near Ione. BLM parcel 2 - off of Carbondale Rd. 50 Comment
  CAS-BOT-BC391073  Stellaria longipes subsp. longipes Geo. Hansen 1895-5-1 1104 Amador Panther Creek 1524 Comment
  UCR185233  Stellaria media George K. Helmkamp, E. A. Helmkamp 2007-4-23 11787 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
  CAS-BOT-BC386939  Stellaria media Alice Eastwood 1921-3-19 10108 Amador Ione Comment
  UCD136389  Stephanomeria lactucina G. 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
  POM174167  Stephanomeria virgata Geo Hansen 1893-10-1 911 Amador New York Falls or Agrc. Station. 610 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
  SACT002347  Stipa elmeri Josephine Van Ess 1983-9-10 Amador Open area gantle slope. Collected near HIghway 88. 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
  SEINET10827389  Stipa pulchra George Hansen 1896-5-26 Hansen 1668 Amador Stoney Creek 305 Comment
  CAS-BOT-BC87505  Streptanthus tortuosus Geo. Hansen 1896-7-30 1967 Amador Sequoia Gigantea Region. Bear River. 1676 Comment
  CAS-BOT-BC87506  Streptanthus tortuosus D. E. Breedlove 1962-6-14 3631 Amador Sierra Nevada. Along State Highway 88, 25.2 miles east of Pine Grove. 1828 Comment
  CAS-BOT-BC87507  Streptanthus tortuosus D. E. Breedlove 1962-6-14 3631 Amador Sierra Nevada. Along State Highway 88, 25.2 miles east of Pine Grove. 1828 Comment
  RSA517890  Streptanthus tortuosus D. E. Breedlove, M. Bourell, R. Patterson 1986-6-9 62831 Amador Above Ham Station on W slope of Carson Pass. 1980 Comment
  RSA429553  Streptanthus tortuosus M. Henning 1929-7-13 s.n. Amador Near Camp Minkalao. 2134 Comment
  SD239668  Streptanthus tortuosus var. orbiculatus George K. Helmkamp, E. A. Helmkamp 2012-7-2 19313 Amador Northern Sierra Nevada Mountains Foothills: Bear Ri ver Road, 0.1 mile east of the south end of the dam of Lower Bear River Reservoir (Peddler Hill 7.5'Q) Sequence south from reservoir. 1776 Comment
  UCR237287  Streptanthus tortuosus var. orbiculatus George K. Helmkamp, E. A. Helmkamp 2012-7-2 19313 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
  HSC24214  Streptanthus tortuosus var. suffrutescens Gary J. Stebbins 1970-3-28 51 Amador Along Ponderosa Way, 1.1 mi. N of Mokelumne River bridge Comment
  CAS-BOT-BC375965  Stylocline gnaphaloides John Thomas Howell 1954-5-18 29819 Amador 2 miles nne. of Buena Vista 91 Comment
  CDA17061  Swertia radiata G. F. Hrusa, J. Glazner 2003-7-22 16131 Amador Sierra Nevada; Kirkwood Ski Resort. 2407 Comment
  JEPS21751  Symphoricarpos albus var. laevigatus G. T. Nordstrom 1936-5-27 805 Amador 4.3 mi nw Volcano; Jackson Quad. 518 Comment
  UC1280828  Symphoricarpos mollis H. E. McMinn 1933-9-2 3237 Amador Silver Lake 2194 Comment
  CAS-BOT-BC234609  Symphoricarpos mollis Brandegee No date on label s.n. Amador Unspecified Comment
  UC28651  Symphoricarpos mollis var. acutus Geo. Hansen 1892-1 221 Amador Silver Lake Comment
  CAS-BOT-BC245870  Symphoricarpos rotundifolius W. Bryan Duncan 1927-8-1 s.n. Amador Vicinity of Silver Lake Comment
  UC1280886  Symphoricarpos rotundifolius var. rotundifolius H. E. McMinn 1931-7-28 2603 Amador Kit Carson Spur; to summit nearby 2560 Comment
  RSA0057860  Symphyotrichum eatonii George K. Helmkamp, E. A. Helmkamp 2010-10-1 17000 Amador 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-BC438810  Symphyotrichum foliaceum var. parryi George K. Helmkamp; Elizabeth Helmkamp 2013-7-6 20993 Amador Northern Sierra Nevada Mountains: Bear River Road, 1.5 road miles east of the dam for Lower Bear River Reservoir. 1837 Comment
  UC1544812  Symphyotrichum spathulatum Almut G. Jones 1986-8-26 7279 Amador 5 mi sw, along Hwy. 88 above Silver Lake, El Dorado County line Kirkwood; Silver Lake 2600 Comment
  UC193686  Tauschia hartwegii Geo. Hansen Mar 1892 900 Amador New York Falls; Sequoia Region, New York Falls 609 Comment
  UC1281019  Taxus brevifolia H. E. McMinn 1934-10-24 4433 Amador 1 mi e of Barton Flats Comment
  POM270296  Thalictrum fendleri Lyman Benson 1931-8-21 s.n. Amador Sierra Nevada Mt. Silver Lake. 2287 Comment
  SEINET3245964  Thalictrum fendleri var. fendleri G. K. Helmkamp, E. A. Helmkamp 2010-1 16511 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
  UCR190555  Thalictrum fendleri var. fendleri George K. Helmkamp 2007-6-29 12456 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.2 mile west of Carson Spur summit 2421 Comment
  CAS-BOT-BC399762  Thalictrum polycarpum Geo. Hansen 1896-5-5 1602 Amador Pine Grove 670 Comment
  SEINET12476839  Thysanocarpus curvipes R. L. Mills 1956-3-27 9 Amador 5 miles NW of Ione. 168 Comment
  UCR198452  Thysanocarpus curvipes George K. Helmkamp, E. A. Helmkamp 2008-3-12 13166 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.7 miles south of its junction with CA-49 just south of Jackson 345 Comment
  UCR232203  Thysanocarpus curvipes George K. Helmkamp, E. A. Helmkamp 2011-3-12 17085 Amador Northeastern San Joaquin Valley, along CA-88, 0.8 mile northeast of the San Joaquin County line, c. 3 miles north of Camanche Reservoir 81 Comment
  HSC12234  Thysanocarpus curvipes Gary J. Stebbins 1970-3-28 52 Amador Along Ponderosa Way at Mokelumne River bridge 381 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-BC67291  Thysanocarpus radians Alice Eastwood 1921-3-18 10080 Amador Ione. Comment
  CAS-BOT-BC67292  Thysanocarpus radians Geo. Hansen 1896-3-25 2131 Amador Sequoia Gigantea Region. Stoney Creek. 304 Comment
  UC1613409  Thysanocarpus radians Charles M. Belshaw 1936-2-29 1532 Amador 1/2 mi. n. Jones Butte Comment
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Nov 22 2013
  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
  UCR257079  Torilis arvensis George K. Helmkamp, Mary Alice Barnes 2013-5-17 20605 Amador Northern Sierra Nevada Mountains Foothills, Stony Creek Road, 3.6 miles southwest of Jackson 293 Comment
  UC1134363  Torreya californica G. T. Nordstrom 1936-6-19 842 Amador 2 mi nw Pine Grove; Jackson Quad. 701 Comment
  SEINET10971454  Torreya californica George Hansen 1898-7-24 Hansen 2136 Amador Marble Quarry. Flora of the Sequoia Region. Comment
  UC1738793  Torreyochloa pallida var. pauciflora Dean W. Taylor 1975-7-27 5063 Amador Silver Lake, Carson Pass 2133 Comment
  UCD67969  Toxicoscordion venenosum var. venenosum Arleen Meyer 1975-5-3 55 Amador On highway 88, approximately 0.2 miles North of junction with highway 124. 152 Comment
  CDA7711  Tragopogon porrifolius L. Brown 1958-4-24 318 -58 Amador Winton Lumber Yard, Martel. 0 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
  RSA123281  Trifolium albopurpureum R. D. Roseberry 1935-4-20 9445 Amador 5 miles S.E. of Ione 76 Comment
  RSA349150  Trifolium albopurpureum F. C. Ball 1933-4-10 18273 Amador Jackson Comment
  JEPS65679  Trifolium albopurpureum var. albopurpureum W. L. Jepson 1929-4-29 15254 Amador Willow Springs sta., N Amador Co. 198 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
  SD239755  Trifolium ciliolatum George K. Helmkamp, E. A. Helmkamp 2011-6-7 17472 Amador Northern Sierra Nevada Mountains Foothills: Sutter Creek Road, 3.4 miles west of Volcano. 491 Comment
  UCR219176  Trifolium ciliolatum George K. Helmkamp, E. A. Helmkamp 2010-6-23 16360 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
  RSA657069  Trifolium depauperatum Beecher Crampton 1955-3-29 2364 Amador 1.5 miles south of Carbondale. Comment
  UCD38357  Trifolium depauperatum Beecher Crampton 1955-3-29 2365 Amador 1.5 miles south of Carbondale. Comment
  UCD38358  Trifolium depauperatum Beecher Crampton 1955-3-29 2368 Amador 3 miles northwest of Ione, along State Highway 104. Comment
  JEPS65829  Trifolium depauperatum var. depauperatum W. L. Jepson 1938-4-14 18674 Amador s Jackson valley 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
  UCD108823  Trifolium dubium G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10334 A Amador Northern Sierra Nevada. Grass Valley Creek, 1.2 miles east of Pine Grove along Hwy. CA-88. 762 Comment
  UCR184853  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
  UCD83227  Trifolium fragiferum CNPS SSN-SJV Foothill Team 2008-6-25 259 Amador East Bay MUD property, near Camanche Reservoir. 85 Comment
  POM349597  Trifolium fucatum F. C. Ball 1933-4-12 18277 Amador Jackson 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
  SEINET7073061  Trifolium gracilentum A. G. Vestal 1963-4-9 s.n. Amador Serpentine joff the junction at Preston Reservoir Road and Paine Road. Coordinate datum: NAD27. Comment
  RSA121659  Trifolium gracilentum G. T. Nordstrom 1936-4-19 717 Amador 0.9 mile N. of Plymouth 305 Comment
  UCD37548  Trifolium grayi Beecher Crampton 1955-3-29 2362 Amador 7 miles northwest of Ione, 1.5 miles south of Carbondale. Comment
  UCD78051  Trifolium grayi Robert E. Preston 2003-5-9 2126 Amador Ca. 1.1 miles N of Indian Hill, along Ione Road, N of its jct with Highway 104. 70 Comment
  SBBG120617  Trifolium hirtum G. K. Helmkamp with E. A. Helmkamp 2006-5-6 10301 Amador St Hwy 49, 0.3 mi S of Drytown 226 Comment
  SJSU8003  Trifolium hirtum T. N. Seeno 1962-4-28 154 Amador 2 mi S of Ione 365 Comment
  UCD111152  Trifolium hirtum G. K. Helmkamp; Elizabeth Helmkamp 2007-4-23 11816 Amador Northern Sierra Nevada Mountains: junction of Tonzi Road and CA-124 about 7 miles north of Ione. 229 Comment
  UCR184857  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2007-4-26 11824 Amador Foothills, northern Sierra Nevada Mountains, along Calif. E-16, 0.7 mile south of River Pines 610 Comment
  UCR250645  Trifolium hirtum George K. Helmkamp, Mary Alice Barnes 2013-4-24 20384 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
  RSA637581  Trifolium hirtum Michael A. Vincent 1999-6-12 8631 Amador Along CA Rt. 49, 1.6 miles south of Cosumnes River and El Dorado county line Comment
  CAS-BOT-BC105381  Trifolium incarnatum R. C. Wenk 2009-5-20 1097 Amador Vaira Ranch. 2.3 air miles S of the intersection of Irish Hill and Carbondale Roads, just E of Irish Hill Road 160 Comment
  UCD111265  Trifolium longipes Collector unknown 1949-7-1 s.n. Amador Silver Lake. 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
  RSA785391  Trifolium microcephalum George K. Helmkamp, E. A. Helmkamp 2010-6-23 16345 Amador Sutter Creek Road, 7.2 miles northeast of its junction with old CA-49 in Sutter Creek village 473 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
  SEINET5628534 Image available Trifolium monanthum Unknown 1904-1 128 Amador Silver Lake Comment
  SD234962  Trifolium monanthum subsp. monanthum G. K. Helmkamp 2008-6-17 13679 Amador Northern Sierra Nevada Mountains: Bear River Reservoir road, 0.1 mile south of its junctiion with CA-88. 1990 Comment
  UCR196849  Trifolium monanthum subsp. monanthum George K. Helmkamp 2008-6-17 13679 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UC69671  Trifolium monanthum var. monanthum Earle Mulliken Jul 27 1904-Aug 5 1904 128 Amador Kirkwoods Sierra Nevada Mtns, Silver Lake 2194 Comment
  SEINET4178611 Image available Trifolium obtusiflorum George K. Helmkamp, E. A. Helmkamp 2011-6-17 17601 Amador Northern Sierra Nevada Mountains Foothills: along CA-26, 0.1 mile west of the Calaveras county line at the bridge over the North Fork Mokelumne River. 652 Comment
  UC336547  Trifolium obtusiflorum Edw. L. Greene 1889-1 Amador Comment
  SEINET3132711  Trifolium oliganthum J. L. Strother, AR Smith 1970-5-3 923 Amador Near Hwy 49, 1 mi N of Calaveras county boundary 427 Comment
  UCR176476  Trifolium repens George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10349 Amador Northern Sierra Nevada Foothills, ESE of Sacramento; 3.2 mi. east of Pine Grove along Calif. Hwy 88 841 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
  SEINET7375672  Trifolium tridentatum H. R. Holbo 1961-3-31 s.n. Amador Near Horse Creek 183 Comment
  SEINET10577402  Trifolium tridentatum var. tridentatum George Hansen Hansen 356 Amador New York Falls Comment
  SEINET10577383  Trifolium variegatum var. variegatum George Hansen 1893-1 Hansen 352 Amador Jackson, Amador County 396 Comment
  SEINET10577510  Trifolium watsonii George Hansen Hansen 1064 Amador White Bear. Flora of the Sequoia Region. 305 Comment
  JEPS4176  Trifolium willdenovii W. L. Jepson 1929-4-29 15250 Amador Willow Springs Station 198 Comment
  SEINET7073062  Trifolium willdenovii A. G. Vestal 1963-4-9 s.n. Amador Serpentine joff the junction at Preston Reservoir Road and Paine Road. Coordinate datum: NAD27. Comment
  UC194322  Trifolium willdenovii Geo. Hansen Apr 1893 2 Amador New York Falls Sequoia Region 609 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
  SEINET10862680  Trifolium willdenovii George Hansen Hansen 2 Amador Hillsides. Flora of the Sequia Gigantea Region. Comment
  CAS-BOT-BC519067  Trillium angustipetalum Geo. Hansen 1893-4-1 932 Amador Volcano 914 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
  CHSC36170  Triphysaria eriantha Hank Thompson 1980-4-5 7 Amador Ca. 3.5 mi ne of Fiddletown, 1 mi n of Tyler Rd. 548 Comment
  SEINET9261196 Image available Triphysaria eriantha George K. Helmkamp 2013-1 20171 Amador Central Sierra Nevada Foothills: S edge of city of Plymouth; along CA-49, 1.1 miles southwest of its junction with Fiddletown Road (amador City 7.5 Q 319 Comment
  JEPS15137  Triphysaria eriantha subsp. eriantha G. T. Nordstrom 1936-4-19 719 Amador 0.9 mi n Plymouth; Jackson Quad. 304 Comment