38.42329 38.52329 -120.71124 -120.61124 Archived CCH Search Results
Search Results — 330 specimen records retrieved (330 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC331650  Acer macrophyllum John Thomas Howell 1969-4-22 45537 Amador Sierra Nevada. Volcano (town) 609 Comment
  CAS-BOT-BC228612  Acmispon brachycarpus George K. Helmkamp; E. A. Helmkamp 2011-6-7 17480 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 7.6 rd. miles northeast (via Pine Gulch & Gopher Flat rds) of junction of Sutter Creek Rd. and Pine Gulch Rd. 712 Comment
  UC36993  Agrostis viridis Geo. Hansen 1896-6-25 1762 Amador Volcano Sequoia Gigantea Region 914 Comment
  SEINET14062631  Aira caryophyllea T. Hensel 1974-5-22 H 324 a Amador 1.5 miles NW of Volcano (town) on a private ranch 610 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-BC123890  Allophyllum divaricatum George Hansen 1896-6-25 1764 Amador Volcano 762 Comment
  UCR230968  Allophyllum divaricatum George K. Helmkamp, E. A. Helmkamp 2011-6-7 17473 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 3.4 miles west of Volcano 491 Comment
  UCR219024  Allophyllum gilioides George K. Helmkamp, E. A. Helmkamp 2010-6-23 16350 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
  UC1125889  Aquilegia formosa G. T. Nordstrom 1936-6-6 832 Amador 3 mi nw Pine Grove; Jackson Quad. 640 Comment
  CAS-BOT-BC128716  Arbutus menziesii Geo. Hansen 1893-6-1 s.n. Amador Grass Valley 914 Comment
  CAS-BOT-BC128717  Arbutus menziesii Geo. Hansen 1893-6-1 909 Amador Grass Valley 914 Comment
  UCD52287  Arctostaphylos mewukka G. T. Nordstrom 1936-9-22 740 Amador 2.5 miles NW of volcano. 822 Comment
  SEINET2031020 Image available Arctostaphylos viscida C. M. Belshaw 1936-7-1 2405 Amador Big Shot Mine, 2.75 miles northeast of Volcano, Jackson Quadrangle 820 Comment
  JEPS19900  Arctostaphylos viscida subsp. mariposa Katharine Brandegee June 1910 Amador Volcano Comment
  UC185736  Arctostaphylos viscida subsp. mariposa Katharine Brandegee June, 1910 Amador Volcano Comment
  UC1121424  Arctostaphylos viscida subsp. viscida C. M. Belshaw 1936-7-1 2405 Amador 2 3/4 mi nw Volcano; Jackson Quadrangle, Big Shot Mine Comment
  SEINET3828502  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2010-1 16999 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road, 2.5 mi NW (285 degrees) of Volcano (Pine Grove 7.5') 692 Comment
  UCR230752  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2010-10-1 16999 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road, 2.5 mi. NW (285 deg. ) of Volcano 692 Comment
  UCR219177  Asclepias cordifolia George K. Helmkamp, E. A. Helmkamp 2010-6-23 16361 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
  UCR230087  Asclepias cordifolia George K. Helmkamp, E. A. Helmkamp 2011-6-7 17479 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
  SEINET3828501  Asclepias fascicularis George K. Helmkamp, E. A. Helmkamp 2010-1 16994 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road 2.5 mi NW (285 degrees) of Volcano (Pine Grove 7.5') 692 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
  UC1123550  Asclepias fascicularis P. L. Johannsen 1937-7-21 1260 Amador 1 1/2 mi se Volcano; Jackson Quadrangle Comment
  UCR230742  Asclepias fascicularis George K. Helmkamp, E. A. Helmkamp 2010-10-1 16993 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road, 2.5 mi. NW (285 deg. ) of Volcano 692 Comment
  UCR230757  Asclepias fascicularis George K. Helmkamp, E. A. Helmkamp 2010-10-1 16994 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road, 2.5 mi. NW (285 deg. ) of Volcano 692 Comment
  UCR240718  Asclepias fascicularis George K. Helmkamp, E. A. Helmkamp 2012-10-5 19978 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 10.7 miles east of CA-49, in Sutter Creek 635 Comment
  UCR253090  Asclepias fascicularis George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22151 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 11.3 miles northeast of the town of Sutter Creek 582 Comment
  CAS-BOT-BC17396  Athysanus pusillus John Thomas Howell 1969-4-22 45534 Amador Sierra Nevada. Volcano. 609 Comment
  UC1126267  Berberis aquifolium var. dictyota G. T. Nordstrom 1936-6-7 828 Amador 3.5 mi nw Pine Grove; Jackson Quadrangle Comment
  CAS-BOT-BC75767  Berberis pinnata John Thomas Howell 1969-4-22 45540 Amador Sierra Nevada. Volcano. 609 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
  SD237253  Brodiaea elegans subsp. elegans G. K. Helmkamp, E. A. Helmkamp 2010-6-23 16365 Amador Sierra Nevada Mountains Foothills: Rams Horn Grade, 1.8 rd. miles northeast of Volcano at the junction with Sutter Creek Road. 730 Comment
  UCR219183  Brodiaea elegans subsp. elegans George K. Helmkamp, E. A. Helmkamp 2010-6-23 16365 Amador Sierra Nevada Mountains Foothills, Rams Horn Grade, 1.8 rd. miles northeast of Volcano at the junction with Sutter Creek Road 730 Comment
  UC37594  Bromus carinatus var. carinatus Geo. Hansen 1896-6-25 1766 Amador Volcano; Sequoia Gigantea Region, Volcano 914 Comment
  GH361860  Bromus carinatus var. marginatus George Hansen 1896-6-25 1766 Unknown Volcano ft. 762 Comment
  UCR218182  Bromus diandrus George K. Helmkamp, E. A. Helmkamp 2010-5-31 16203 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, about 8 miles east of the village of Sutter Creek 457 Comment
  UCR257006  Bromus hordeaceus George K. Helmkamp, Mary Alice Barnes 2013-5-13 20577 Amador Sierra Nevada Mountains, Fiddletown Road, c. 9 miles northeast of its junction with E-16/Shenandoah Rd. near Plymouth 665 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
  UCR219023  Bromus sterilis George K. Helmkamp, E. A. Helmkamp 2010-6-23 16349 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 9.5 miles northeast of its junction with old CA-49 in Sutter Creek village 576 Comment
  UC7739  Calandrinia ciliata Geo. Hansen Apr 1895 1449 Amador Volcano Sequoia Gigantea Region 914 Comment
  UCR230086  Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2011-6-7 17485 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
  UCR257185  Calochortus monophyllus George K. Helmkamp, Mary Alice Barnes 2013-5-13 20588 Amador Sierra Nevada Mountains, Fiddletown Road 12.7 miles northeast of its junction with E-16, c. 1.9 mi. west of junction with Shake Ridge Rd. 872 Comment
  UCR219016  Calochortus venustus George K. Helmkamp, E. A. Helmkamp 2010-6-23 16358 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
  UCR230973  Calochortus venustus George K. Helmkamp, E. A. Helmkamp 2011-6-7 17475 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 3.4 miles west of Volcano 491 Comment
  UC1137576  Calycadenia multiglandulosa G. T. Nordstrom 1936-6-7 822 Amador 3.9 mi nw Pine Grove; Jackson Quad. 670 Comment
  UCR219184  Castilleja applegatei George K. Helmkamp, E. A. Helmkamp 2010-6-23 16366 Amador Sierra Nevada Mountains Foothills, Rams Horn Grade, 1.8 rd. miles northeast of Volcano at the junction with Sutter Creek Road 730 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
  UCR257016  Castilleja attenuata George K. Helmkamp, Mary Alice Barnes 2013-5-13 20570 Amador Sierra Nevada Mountains, Fiddletown Road, c. 9 miles northeast of its junction with E-16/Shenandoah Rd. near Plymouth 665 Comment
  SFV16107  Ceanothus integerrimus S. Mason 1993-7-26 46 Amador Sierra Nevada Volcano, off Pioneer-Volcano Road along edge of Golddust Road. Disturbed roadside. 762 Comment
  UC1070724  Ceanothus integerrimus G. T. Nordstrom 1936-4-23 739 Amador 1 mile E. S. E. of Volcano 762 Comment
  UC1071431  Ceanothus tomentosus G. T. Nordstrom 1936-6-10 834 Amador 5.8 mi nne Pine Grove; Jackson Quad. Comment
  UC1119128  Centaurea melitensis G. T. Nordstrom 1936-6-2 819 Amador 4.3 mi nw of Volcano; Jackson Quadrangle 670 Comment
  SEINET3828507  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-1 16997 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road, 2.5 mi. NW of Volcano (Pine Grove 7.5') 692 Comment
  UCR230722  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2010-10-1 16997 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road, 2.5 mi. NW (285 deg. ) of Volcano 692 Comment
  UC1127834  Cercocarpus betuloides var. betuloides G. T. Nordstrom 1936-6-8 830 Amador 4.1 mi n of Pine Grove 822 Comment
  UC1130422  Chamaesyce serpyllifolia P. L. Johannsen 1937-7-21 1262 Amador 1 mi sw volcano 670 Comment
  UCR248541  Chamaesyce serpyllifolia George K. Helmkamp, Elizabeth Helmkamp 2013-9-13 22287 Amador Northern Sierra Nevada Mountains Foothills, Volcano Road, 11.4 miles northeast of CA-49 in Sutter Creek, c. 0.4 mi SW of Volcano 608 Comment
  UCR230704  Cirsium vulgare George K. Helmkamp, E. A. Helmkamp 2010-10-1 16995 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road, 2.5 mi. NW (285 deg. ) of Volcano 692 Comment
  UC142991  Clarkia biloba Katharine Brandegee June, 1910 Amador near Volcano Comment
  CHSC110178  Clarkia biloba subsp. brandegeeae G. K. Helmkamp; E. A. Helmkamp 2010-6-23 16334 Amador Sierra Nevada Mountains Foothills: Sutter Creek Road, 7.2 miles northeast of its junction with old CA-49 in Sutter Creek village. Alt.: 473m/1550ft. 473 Comment
  RSA785404  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2010-6-23 16334 Amador Sierra Nevada Mtns Foothills: Sutter Creek Road, 7.2 mi NE of its junction with old CA-49 in Sutter Creek village. 473 Comment
  UCR219006  Clarkia biloba subsp. brandegeeae George K. Helmkamp, E. A. Helmkamp 2010-6-23 16334 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 7.2 miles northeast of its junction with old CA-49 in Sutter Creek village 473 Comment
  RSA785397  Clarkia heterandra George K. Helmkamp, E. A. Helmkamp 2010-6-23 16346 Amador Sierra Nevada Mtns Foothills: Sutter Creek Road, 7.2 mi NE of its junction with old CA-49 in Sutter Creek village. 473 Comment
  UCR219180  Clarkia heterandra George K. Helmkamp, E. A. Helmkamp 2010-6-23 16346 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
  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-BC163637  Clarkia purpurea subsp. quadrivulnera G. K. Helmkamp; E. A. Helmkamp 2010-6-23 16353 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
  RSA785396  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2010-6-23 16353 Amador Sutter Creek Road, 9.5 miles northeast of its junction with old CA-49 in Sutter Creek village 576 Comment
  SD237530  Clarkia purpurea subsp. quadrivulnera G. K. Helmkamp, E. A. Helmkamp 2010-6-23 16353 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
  UCR219027  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2010-6-23 16353 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
  UC142987  Clarkia williamsonii Katharine Brandegee June, 1910 Amador near Volcano Comment
  CAS-BOT-BC233871  Claytonia parviflora subsp. parviflora John Thomas Howell 1969-4-22 45532 Amador Volcano, Sierra Nevada 609 Comment
  CAS-BOT-BC439822  Claytonia perfoliata John Thomas Howell 1969-4-22 45533 Amador Volcano 609 Comment
  CAS-BOT-BC228614  Collinsia bartsiifolia var. bartsiifolia George K. Helmkamp; E. A. Helmkamp 2011-6-7 17492 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 7.6 rd. miles northeast (via Pine Gulch & Gopher Flat rds) of junction of Sutter Creek Rd. and Pine Gulch Rd. 712 Comment
  UCR232210  Collinsia bartsiifolia var. bartsiifolia George K. Helmkamp, E. A. Helmkamp 2011-6-7 17492 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 7.6 rd. miles northeast (via Pine Gulch & Gopher Flat rds) of junction of Sutter Creek Rd. and Pine Gulch Rd. 712 Comment
  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
  UCR257014  Collinsia heterophylla George K. Helmkamp, Mary Alice Barnes 2013-5-13 20574 Amador Sierra Nevada Mountains, Fiddletown Road, c. 9 miles northeast of its junction with E-16/Shenandoah Rd. near Plymouth 665 Comment
  RSA785392  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2010-6-23 16344 Amador Sutter Creek Road, 7.2 miles northeast of its junction with old CA-49 in Sutter Creek village 473 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
  SEINET9351773  Collomia heterophylla Unknown 2010-6-23 16344 Amador Sierra Nevada Mountains Foothills Comment
  UCR219020  Collomia heterophylla George 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 473 Comment
  UCR219015  Convolvulus fruticetorum George K. Helmkamp, E. A. Helmkamp 2010-6-23 16357 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 9.5 miles northeast of its junction with old CA-49 in Sutter Creek village 576 Comment
  A385369  Cornus glabrata George Hansen VI/1895 1115 Unknown Grass Valley Comment
  CAS-BOT-BC209735  Cornus glabrata Geo. Hansen 1895-6-1 1115 Amador Grass Valley 914 Comment
  UC1135186  Corylus californica G. T. Nordstrom 1936-5-27 806 Amador 4.3 mi NW of Volcano 518 Comment
  UC153856  Corylus californica Geo. Hansen 1893-1 808 Amador Grass Valley Sequoia Gigantea Region 762 Comment
  A401471  Corylus cornuta subsp. californica George Hansen 1893-1-1 808 Unknown Grass Valley 762 Comment
  CAS-BOT-BC169496  Corylus cornuta subsp. californica Geo. Hansen 1893-7-1 808 Amador Grass Valley 914 Comment
  GH401462  Corylus cornuta subsp. californica George Hansen 1893-1-1 808 Unknown Grass Valley 762 Comment
  UCR230143  Croton setiger George K. Helmkamp, E. A. Helmkamp 2010-10-1 16996 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road, 2.5 mi. NW (285 deg. ) of Volcano 692 Comment
  RSA785395  Crucianella angustifolia George K. Helmkamp, E. A. Helmkamp 2010-6-23 16356 Amador Sutter Creek Road, 9.5 miles northeast of its junction with old CA-49 in Sutter Creek village 576 Comment
  UCR219014  Crucianella angustifolia George K. Helmkamp, E. A. Helmkamp 2010-6-23 16356 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
  CHSC80745  Cupressus macnabiana M. S. Baker 1931-3-1 Amador Plymouth (10 mi. e.). Comment
  JEPS39790  Cupressus macnabiana Milo S. Baker 1931-3-1 Amador 10 mi e Plymouth Comment
  UCR248691  Cyperus eragrostis George K. Helmkamp, Elizabeth Helmkamp 2013-9-13 22290 Amador Northern Sierra Nevada Mountains Foothills, Volcano Road; 0.1 mile northwest of the village of Volcano 671 Comment
  RSA0050409  Cyperus niger George K. Helmkamp, Elizabeth A. Helmkamp 2013-9-13 22286 Amador Volcano Road, 11.4 miles northeast of CA-49 in Sutter Creek, c. 0.4 mi SW of Volcano 608 Comment
  SBBG129071  Cyperus niger G. K. Helmkamp, E. A. Helmkamp 2013-9-13 22286 Amador Volcano Rd, 11.4 mi NE of CA-49 in Sutter Crk, ca. 0.4 mi SW of Volcano 608 Comment
  SD247267  Cyperus niger George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22154 Amador Sierra Nevada Mountains Foothills: Sutter Creek-Volcano Road, 11.3 miles northeast of the wotn of Sutter Creek (Pine Grove 7.5'Q) 582 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
  UCR240757  Cyperus niger George K. Helmkamp, E. A. Helmkamp 2012-10-5 19979 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 10.7 miles east of CA-49, in Sutter Creek 635 Comment
  UCR248667  Cyperus niger George K. Helmkamp, Elizabeth Helmkamp 2013-9-13 22286 Amador Northern Sierra Nevada Mountains Foothills, Volcano Road, 11.4 miles northeast of CA-49 in Sutter Creek, c. 0.4 mi SW of Volcano 608 Comment
  UCR253087  Cyperus niger George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22154 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 11.3 miles northeast of the town of Sutter Creek 582 Comment
  GH341690  Deschampsia danthonioides George Hansen 1896-7-25 1783 Unknown Volcano 762 Comment
  UC38012  Deschampsia danthonioides Geo. Hansen 1896-6-25 1783 Amador Volcano Sequoia Gigantea Region, Volcano 914 Comment
  UC38013  Deschampsia elongata Geo. Hansen 1896-2-25 1760 Amador Volcano Sequoia Gigantea Region, Volcano 914 Comment
  UC1126510  Dicentra chrysantha G. T. Nordstrom 1936-6-15 839 Amador 1 mi s Volcano; Jackson Quad. 762 Comment
  UCR230083  Dichelostemma volubile George K. Helmkamp, E. A. Helmkamp 2011-6-7 17481 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
  CAS-BOT-BC70850  Dryopteris arguta John Thomas Howell 1969-4-22 45539 Amador Volcano 609 Comment
  CAS-BOT-BC70851  Dryopteris arguta John Thomas Howell 1969-4-22 45539 Amador Volcano 609 Comment
  UCR219179  Dudleya cymosa subsp. cymosa George K. Helmkamp, E. A. Helmkamp 2010-6-23 16363 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
  UCR219181  Dudleya cymosa subsp. cymosa George K. Helmkamp, E. A. Helmkamp 2010-6-23 16347 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 7.2 miles northeast of its junction with old CA-49 in Sutter Creek village 473 Comment
  UCR252968  Echinochloa colona George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22146 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 11.3 miles northeast of the town of Sutter Creek 582 Comment
  UCR240666  Echinochloa crus-galli George K. Helmkamp, E. A. Helmkamp 2012-10-5 19977 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 10.7 miles east of CA-49, in Sutter Creek 635 Comment
  UCR257008  Elymus glaucus George K. Helmkamp, Mary Alice Barnes 2013-5-13 20575 Amador Sierra Nevada Mountains, Fiddletown Road, c. 9 miles northeast of its junction with E-16/Shenandoah Rd. near Plymouth 665 Comment
  UCR252959  Elymus glaucus var. glaucus George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22158 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 9.6 miles northeast of the town of Sutter Creek 569 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
  UCR230723  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 mi. NW (285 deg. ) of Volcano 692 Comment
  UCR219007  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2010-6-23 16335 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 7.2 miles northeast of its junction with old CA-49 in Sutter Creek village 473 Comment
  CAS-BOT-BC124157  Eriophyllum lanatum var. croceum George Hansen 1895-5-1 1136 Amador Grass Valley 914 Comment
  POM66834  Eriophyllum lanatum var. croceum Geo. Hansen 1895-6-10 1036 Amador Grass Valley 762 Comment
  UC197170  Eriophyllum lanatum var. croceum Geo. Hansen 1895-6-10 1036 Amador Grass Valley Sequoia Gigantea Region, Grass Valley Comment
  UC90247  Eriophyllum lanatum var. croceum Geo. Hansen 1895-6-1 1136 Amador Grass Valley Sequoia Gigantea Region, Grass Valley 762 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
  UCR219175  Eriophyllum lanatum var. grandiflorum George 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
  UCR256993  Galium aparine George K. Helmkamp, Mary Alice Barnes 2013-5-13 20580 Amador Sierra Nevada Mountains, Fiddletown Road, c. 9 miles northeast of its junction with E-16/Shenandoah Rd. near Plymouth 665 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
  SD237423  Genista monspessulana G. K. Helmkamp, E. A. Helmkamp 2010-6-23 16367 Amador Sierra Nevada Mountains Foothills: Rams Horn Grade, 1.8 rd. miles northeast of Volcano at the junction with Sutter Creek Road. 730 Comment
  SEINET9313946  Genista monspessulana Unknown 2010-6-23 16367 Amador Sierra Nevada Mountains Foothills Comment
  UCR219185  Genista monspessulana George K. Helmkamp, E. A. Helmkamp 2010-6-23 16367 Amador Sierra Nevada Mountains Foothills, Rams Horn Grade, 1.8 rd. miles northeast of Volcano at the junction with Sutter Creek Road 730 Comment
  UCR218208  Geranium molle George K. Helmkamp, E. A. Helmkamp 2010-5-31 16201 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, about 8 miles east of the village of Sutter Creek 457 Comment
  UC1123747  Gilia capitata subsp. pedemontana G. T. Nordstrom 1936-6-7 824 Amador 3.8 mi nw Pine Grove; Jackson Quad. Comment
  CAS-BOT-BC266545  Githopsis pulchella Geo. Hansen 1895-6-1 1277 Amador Grass Valley 914 Comment
  UCR230972  Githopsis pulchella subsp. pulchella George K. Helmkamp, E. A. Helmkamp 2011-6-7 17476 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 3.4 miles west of Volcano 491 Comment
  GH417678  Grindelia camporum B. Anderson 1986-5-23 2986 Unknown Sutter Creek/Volcano Rd E of Sutter Creek Comment
  UCR248421  Grindelia camporum var. camporum George K. Helmkamp, Elizabeth Helmkamp 2013-9-13 22292 Amador Northern Sierra Nevada Mountains Foothills, Volcano Road; 0.1 mile northwest of the village of Volcano 671 Comment
  CAS-BOT-BC305297  Grindelia hirsutula Barrett Anderson 1986-5-23 2986 Amador Sutter Creek/Volcano Rd E of Sutter Creek 610 Comment
  UC2044599  Grindelia hirsutula George K. Helmkamp with Elizabeth Helmkamp 2013-9-13 22292 Amador Northern Sierra Nevada Mountains Foothills Volcano Road; 0.1 mile northwest of the village of Volcano. (Tragedy Spring 7.5' Q.) 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
  SEINET9307947  Grindelia nana Unknown 2010-6-23 16364 Amador Sierra Nevada Mountains Foothills 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
  UC1597345  Hemizonella minima K. Brandegee 1886-5-25 Amador Volcano Comment
  JEPS32311  Hesperolinon micranthum K. Brandegee Amador Volcano 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
  UCR230753  Hoita orbicularis George K. Helmkamp, E. A. Helmkamp 2010-10-1 16998 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road, 2.5 mi. NW (285 deg. ) of Volcano 692 Comment
  UC114343  Horkelia californica subsp. dissita Geo. Hansen 1892-1 264 Amador Volcano 914 Comment
  UC186330  Horkelia californica subsp. dissita Geo. Hansen 1892-1 264 Amador Sequoia Region, Volcano 914 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
  UCR232214  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2011-6-7 17488 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
  UC89360  Jensia rammii Brandegee May 1886 Amador Volcano Comment
  UCR219026  Keckiella breviflora subsp. breviflora George K. Helmkamp, E. A. Helmkamp 2010-6-23 16352 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 9.5 miles northeast of its junction with old CA-49 in Sutter Creek village 576 Comment
  JEPS14592  Kumlienia hystricula Peter H. Raven with G. Thomas Robbins 1956-4-29 9128 Amador 2.1 mi sw of Volcano (on road to town of Sutter Creek); Sutter Creek Comment
  UC1112202  Kumlienia hystricula Peter H. Raven with G. Thomas Robbins 1956-4-29 9128 Amador Sutter Creek 2.1 mi sw of Volcano (on road to town of Sutter Creek); Sutter Creek Comment
  RSA785393  Lapsana communis George K. Helmkamp, E. A. Helmkamp 2010-6-23 16343 Amador Sutter Creek Road, 7.2 miles northeast of its junction with old CA-49 in Sutter Creek village 473 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
  UCR219019  Lapsana communis George 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
  UC1128979  Lathyrus sulphureus G. T. Nordstrom 1936-6-6 826 Amador 3.6 mi nw Pine Grove; Jackson Quad. 792 Comment
  UCR218209  Lathyrus sulphureus George K. Helmkamp, E. A. Helmkamp 2010-5-31 16202 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, about 8 miles east of the village of Sutter Creek 457 Comment
  UC1124461  Lepechinia calycina C. M. Belshaw 1936-6-29 2406 Amador 2 1/2 miles NW of Volcano 822 Comment
  SBBG23318  Lessingia leptoclada D. Myrick 1965-9-26 1264 Amador near Volcano 609 Comment
  UC106671  Linanthus ciliatus K. Brandegee May 1886 Amador Volcano Comment
  UCR256992  Linanthus parviflorus George K. Helmkamp, Mary Alice Barnes 2013-5-13 20581 Amador Sierra Nevada Mountains, Fiddletown Road, c. 9 miles northeast of its junction with E-16/Shenandoah Rd. near Plymouth 665 Comment
  CAS-BOT-BC228615  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
  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
  A422870  Lonicera hispidula George Hansen 1893-06-01 - 1893-07-01 214 Unknown Elsie's Creek 822 Comment
  UCR219011  Lonicera hispidula var. vacillans George K. Helmkamp, E. A. Helmkamp 2010-6-23 16339 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
  UCR230088  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2011-6-7 17480 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 7.6 rd. miles northeast (via Pine Gulch & Gopher Flat rds) of junction of Sutter Creek Rd. and Pine Gulch Rd. 712 Comment
  UCR219013  Lotus purshianus George K. Helmkamp, E. A. Helmkamp 2010-6-23 16355 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 9.5 miles northeast of its junction with old CA-49 in Sutter Creek village 576 Comment
  CAS-BOT-BC227279  Lupinus albicaulis George K. Helmkamp; E. A. Helmkamp 2011-6-7 17487 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
  UCR232215  Lupinus albicaulis George K. Helmkamp, E. A. Helmkamp 2011-6-7 17487 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
  UCR32889  Lupinus microcarpus Tom Hensel, E. Lehto 1974-5-22 H 309 Amador 1.5 NW of Volcano (town) - on a private ranch 610 Comment
  SEINET7062947 Image available Lupinus nanus A. G. Vestal 1947-6-5 s.n. Calaveras About 5.4 miles north of West Point. UTM Zone 10, 707825mE, 4256170mN. (WGS84/NAD83). 695 Comment
  UCR219178  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2010-6-23 16362 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 9.5 miles northeast of its junction with old CA-49 in Sutter Creek village 576 Comment
  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
  UCR230967  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2011-6-7 17474 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 3.4 miles west of Volcano 491 Comment
  UCR257184  Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-5-13 20589 Amador Sierra Nevada Mountains, Fiddletown Road 12.7 miles northeast of its junction with E-16, c. 1.9 mi. west of junction with Shake Ridge Rd. 872 Comment
  UCR256985  Luzula comosa George K. Helmkamp, Mary Alice Barnes 2013-5-13 20571 Amador Sierra Nevada Mountains, Fiddletown Road, c. 9 miles northeast of its junction with E-16/Shenandoah Rd. near Plymouth 665 Comment
  UC89386  Madia exigua K. Brandegee May 1886 Amador Volcano Comment
  UCR257189  Madia exigua George K. Helmkamp, Mary Alice Barnes 2013-5-13 20592 Amador Sierra Nevada Mountains, Fiddletown Road 12.7 miles northeast of its junction with E-16, c. 1.9 mi. west of junction with Shake Ridge Rd. 872 Comment
  UCR218205  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2010-5-31 16198 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, about 8 miles east of the village of Sutter Creek 457 Comment
  UCR219012  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2010-6-23 16354 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
  UCR256990  Madia gracilis George K. Helmkamp, Mary Alice Barnes 2013-5-13 20585 Amador Sierra Nevada Mountains, Fiddletown Road 12.7 miles northeast of its junction with E-16, c. 1.9 mi. west of junction with Shake Ridge Rd. 872 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
  UC1124503  Marrubium vulgare G. T. Nordstrom 1936-6-7 829 Amador 4.1 mi nw Pine Grove; Jackson Quad. Comment
  CAS-BOT-BC262475  Melica torreyana Geo. Hansen 1894-4-1 619 Amador Elsie's [Else] Creek 914 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
  SD248448  Melissa officinalis George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22148 Amador Sierra Nevada Mountains Foothills: Sutter Creek Volcano Road, 11.3 miles northeast of the town of Sutter Creek (Pine Grove 7.5'Q) 582 Comment
  SEINET11123653  Melissa officinalis Unknown 2013-7-11 22148 Amador Sutter Creek Comment
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May 21 2019
  SEINET11196337  Melissa officinalis Unknown 2012-10-5 19976 Amador Northern Sierra Nevada Mountains Foothills Comment
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May 21 2019
  UCR240741  Melissa officinalis George K. Helmkamp, E. A. Helmkamp 2012-10-5 19976 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 10.7 miles east of CA-49, in Sutter Creek 635 Comment
  UCR252981  Melissa officinalis George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22148 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 11.3 miles northeast of the town of Sutter Creek 582 Comment
  SEINET9369650  Mentha spicata Unknown 2010-10-1 16990 Amador Northern Sierra Nevada Mountians Comment
  UC1124522  Mentha spicata P. L. Johannsen 1937-7-21 1263 Amador 1 mi sw Volcano; Jackson Quadrangle 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
  SEINET11123604  Mentha spicata var. spicata Unknown 2013-9-13 22291 Amador Volcano Comment
  UCR230718  Mentha spicata var. spicata George K. Helmkamp, E. A. Helmkamp 2010-10-1 16990 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road, 2.5 mi. NW (285 deg. ) of Volcano 692 Comment
  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
  CAS-BOT-BC428709  Micranthes californica Peter H. Raven; G. Thomas Robbins 1956-4-29 9129 Amador Along Sutter Creek 2.1 miles s.w. of Volcano on road to town of Sutter Creek Comment
  CAS-BOT-BC228613  Micropus californicus var. californicus George K. Helmkamp; E. A. Helmkamp 2011-6-7 17486 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 7.6 rd. miles northeast (via Pine Gulch & Gopher Flat rds) of junction of Sutter Creek Rd. and Pine Gulch Rd. 712 Comment
  UCR230082  Micropus californicus var. californicus George K. Helmkamp, E. A. Helmkamp 2011-6-7 17486 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 7.6 rd. miles northeast (via Pine Gulch & Gopher Flat rds) of junction of Sutter Creek Rd. and Pine Gulch Rd. 712 Comment
  UC103786  Mimulus angustatus K. Brandegee 1886-5-23 Amador near Volcano Comment
  JEPS86880  Mimulus guttatus David M. Thompson 1988-3-20 846 Amador 1.7 mi Pine Grove-Volcano Road (along Sutter Creek-Volcano Road) 564 Comment
  RSA0047366  Mimulus guttatus George K. Helmkamp, Elizabeth A. Helmkamp 2013-8-11 22155 Amador Sutter Creek-Volcano Road, 11.3 miles northeast of the town of Sutter Creek 582 Comment
  UCR219010  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2010-6-23 16338 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
  UCR253086  Mimulus guttatus George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22155 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 11.3 miles northeast of the town of Sutter Creek 582 Comment
  RSA0012106  Mimulus kelloggii George K. Helmkamp, E. A. Helmkamp 2011-6-7 17471 Amador Sutter Creek Road, 3.4 miles west of Volcano 491 Comment
  UC125308  Mimulus kelloggii Katharine Curran May 1886 Amador near Volcano 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
  UC192040  Monardella villosa subsp. villosa Geo. Hansen 1895-6-10 439 Amador Grass Valley, Sequoia Gigantea Region 762 Comment
  UC124859  Navarretia subuligera Katharine Brandegee 1886-5-25 Amador Comment
  RSA0043182  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2010-6-23 16340 Amador Sierra Nevada Mtns Foothills: Sutter Creek Road, 7.2 mi NE of its junction with old CA-49 in Sutter Creek village. 473 Comment
  SD241048  Nemophila parviflora var. parviflora George K. Helmkamp, E. A. Helmkamp 2010-6-23 16340 Amador Northern 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
  SEINET9306644  Nemophila parviflora var. parviflora Unknown 2010-6-23 16340 Amador Sierra Nevada Mountains Foothills Comment
  UCR218990  Nemophila parviflora var. parviflora George K. Helmkamp, E. A. Helmkamp 2010-6-23 16340 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 7.2 miles northeast of its junction with old CA-49 in Sutter Creek village 473 Comment
  CAS-BOT-BC228616  Nemophila pulchella var. pulchella George K. Helmkamp; E. A. Helmkamp 2011-6-7 17495 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 7.6 rd. miles northeast (via Pine Gulch & Gopher Flat rds) of junction of Sutter Creek Rd. and Pine Gulch Rd. 712 Comment
  UCR232221  Nemophila pulchella var. pulchella George K. Helmkamp, E. A. Helmkamp 2011-6-7 17495 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 7.6 rd. miles northeast (via Pine Gulch & Gopher Flat rds) of junction of Sutter Creek Rd. and Pine Gulch Rd. 712 Comment
  CAS-BOT-BC140159  Oemleria cerasiformis Geo. Hansen 1892-4-1 211 Amador Grass Valley 914 Comment
  SD248315  Oenanthe sarmentosa George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22147 Amador Sierra Nevada Mountains Foothills: Sutter Creek - Volcaano Road, 11.3 miles northeast of the town of Sutter Creek. Along Sutter Creek. 582 Comment
  UCR252982  Oenanthe sarmentosa George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22147 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 11.3 miles northeast of the town of Sutter Creek 582 Comment
  SEINET11265845  Pellaea mucronata subsp. mucronata George Helmkamp, E. A. Helmkamp 2011-6-7 17478 Amador Northern Sierra Nevada Mountains Foothills: Sutter Creek Road, 3.4 miles west of Volcano (Pine Grove 7.5' Q.); 0 491 Comment
  SEINET3828322  Pellaea mucronata subsp. mucronata George K. Helmcamp, E. A. Helmkamp 2011-1 17478 Amador Northern Sierra nevada Moutnains Foothill: Sutter Creek Road, 3.4 miles west of Volcano. (Pine Grove 7.50 491 Comment
  UCR231025  Pellaea mucronata subsp. mucronata George K. Helmkamp, E. A. Helmkamp 2011-6-7 17478 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 3.4 miles west of Volcano 491 Comment
  UC1063279  Penstemon azureus var. angustissimus G. T. Nordstrom 1936-6-7 823 Amador 3.6 mi nw Pine Grove; Jackson Quad. 792 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
  CAS-BOT-BC211261  Perideridia bacigalupii Geo. Hansen 1896-9-7 2006 Amador Elsie's Creek 822 Comment
  UCR232251  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2011-6-7 17491 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
  CHSC9291  Phlox stansburyi D. C. Polen 1971-4-4 7 Amador Ca. 12.2 mi e of Sutter Creek on road to Daffodil Hill. 737 Comment
  UCR248497  Plantago lanceolata George K. Helmkamp, Elizabeth Helmkamp 2013-9-13 22289 Amador Northern Sierra Nevada Mountains Foothills, Volcano Road; 0.1 mile northwest of the village of Volcano 671 Comment
  UCR256991  Plectritis George K. Helmkamp, Mary Alice Barnes 2013-5-13 20584 Amador Sierra Nevada Mountains, Fiddletown Road, c. 9 miles northeast of its junction with E-16/Shenandoah Rd. near Plymouth 665 Comment
  UC39653  Poa secunda subsp. secunda Geo. Hansen 1896-6-30 1770 Amador Elsie's Creek; Sequoia Gigantea Region 822 Comment
  UCD91610  Poa secunda subsp. secunda Geo. Hansen 1896-11-13 1707 Amador Sequoia Gigantea Region. Elsie's Creek. 822 Comment
  UC1130355  Polygala cornuta var. cornuta C. M. Belshaw 1936-6-30 2398 Amador 1 mi ne Volcano; Jackson Quadrangle Comment
  UCR253088  Polygonum punctatum George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22153 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 11.3 miles northeast of the town of Sutter Creek 582 Comment
  UCR219022  Polypodium glycyrrhiza George K. Helmkamp, E. A. Helmkamp 2010-6-23 16348 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
  A346698  Prunus subcordata George Hansen 1896-5-7 1621 Unknown Elsie's Creek 822 Comment
  A346700  Prunus subcordata George Hansen 1896-8-11 1621 Unknown Elsie's Creek 822 Comment
  CAS-BOT-BC154619  Prunus subcordata Geo. Hansen 1896-5-7 1621 Amador Elsie's Creek 822 Comment
  CAS-BOT-BC154621  Prunus subcordata T. S. Brandegee 1886-5-25 s.n. Amador unspecified Comment
  CDA26202  Prunus subcordata R. P. Allen 1960-4-14 Amador Volcano. 0 Comment
  UC1128500  Prunus subcordata G. T. Nordstrom 1936-6-9 833 Amador 3 mi nw of Pine Grove 640 Comment
  CAS-BOT-BC80089  Pseudotsuga menziesii Geo. Hansen 1893-6-1 1259 Amador Grass Valley 914 Comment
  NY63955  Pseudotsuga menziesii var. menziesii G. Hansen 1893-5-27 1259 Amador Elsie's Creek 823.0 Comment
  UC243  Pseudotsuga menziesii var. menziesii Geo. Hansen c. 1893 1259 Amador Grass Valley Grass Valley (Sequoia Gigantea region) 762 Comment
  UCR219008  Pteridium aquilinum George K. Helmkamp, E. A. Helmkamp 2010-6-23 16336 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
  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-BC520345  Pycreus niger George K. Helmkamp; E. A. Helmkamp 2012-10-5 19979 Amador Northern Sierra Nevada Mountains Foothills: Sutter Creek Road, 10.7 mi E of CA-49, in Sutter Creek 635 Comment
  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-BC45805  Quercus Geo. Hansen 1895-9-1 1333 Amador Elsie's Creek 914 Comment
  CAS-BOT-BC62677  Quercus chrysolepis Geo. Hansen 1893-11-1 919 Amador Else Creek 914 Comment
  GH344202  Quercus chrysolepis George Hansen XI 1893 919 Unknown Grass Valley 914 Comment
  UC1135401  Quercus chrysolepis G. T. Nordstrom 1936-4-23 741 Amador 1.8 mi nnw Volcano; Jackson Quad. 914 Comment
  UCD45397  Quercus chrysolepis G. T. Nordstrom 1936-4-23 741 Amador 1.8 miles northwest of Volcano. 914 Comment
  A344395  Quercus douglasii George Hansen 1895-9-10 922 Unknown Elsie's Creek 822 Comment
  SACT002122  Quercus douglasii Herbert Copeland 1935-3-24 Amador Comment
  A344941  Quercus garryana George Hansen 1895-9-7 1330 Unknown Grass Valley 762 Comment
  UC161085  Quercus garryana Geo. Hansen 1893-8-1 921 Amador Grass Valley The Sequoia Region 914 Comment
  CAS-BOT-BC62787  Quercus garryana var. breweri Geo. Hansen 1893-9-1 921 Amador Grass Valley 914 Comment
  GH343203  Quercus garryana var. breweri George Hansen VIII 1895 922 Unknown Elsie's Creek Comment
  GH343231  Quercus garryana var. breweri George Hansen IX 1895 1333 Unknown Elsie's Creek 914 Comment
  GH343234  Quercus garryana var. breweri George Hansen IX 1895 1330 Unknown Grass Valley 914 Comment
  UC1135616  Quercus garryana var. breweri G. T. Nordstrom 1936-6-8 831 Amador 3.6 mi nnw Pine Grove; Jackson Quad. 822 Comment
  UC160899  Quercus garryana var. breweri Geo. Hansen Sep 1895 922 Amador Elsie's Creek Sequoia Gigantea Region 822 Comment
  UC161083  Quercus garryana var. breweri Geo. Hansen Aug 1895 1333 Amador Elsie's Creek Sequoia Gigantea Region 822 Comment
  UC161097  Quercus garryana var. breweri Geo. Hansen Aug 1895 1330 Amador Grass Valley Sequoia Gigantea Region Comment
  POM106328  Quercus garryana var. garryana Geo. Hansen 1895-9-9 1330 Amador Grass Valley. 762 Comment
  A343069  Quercus kelloggii George Hansen 1895-8-20 1328 Unknown Grass Valley 762 Comment
  GH343127  Quercus kelloggii George Hansen IX 1895 13288 Unknown Grass Valley 914 Comment
  POM106226  Quercus kelloggii Geo. Hansen 1895-8-20 1331 Amador Grass Valley, Sequoia gigantea region. 762 Comment
  UC5665  Quercus kelloggii Geo. Hansen Sep 1895 1331 Amador Grass Valley Sequoia Gigantea Region 762 Comment
  UC5666  Quercus kelloggii Geo. Hansen Aug 1895 1328 Amador Grass Valley Sequoia Gigantea Region 762 Comment
  A343191  Quercus lobata George Hansen 1896-9-7 1997 Unknown Volcano 762 Comment
  A343192  Quercus lobata George Hansen 1896-9-7 2018 Unknown Volcano 762 Comment
  UC118331  Ranunculus californicus T. S. Brandegee May 1886 Amador Volcano Comment
  SBBG54666  Ranunculus hystriculus P. H. Raven with G. T. Robbins 1956-4-29 9128 Amador Sutter Crk 2.1 mi SW of Volcano on rd to town of Sutter Crk Comment
  UCR257007  Ranunculus occidentalis George K. Helmkamp, Mary Alice Barnes 2013-5-13 20576 Amador Sierra Nevada Mountains, Fiddletown Road, c. 9 miles northeast of its junction with E-16/Shenandoah Rd. near Plymouth 665 Comment
  UC1127538  Ribes roezlii G. T. Nordstrom 1936-5-27 808 Amador 4.3 mi nw Volcano; Jackson Quadrangle Comment
  A380827  Ribes roezlii var. amictum George Hansen 1896-5 1625 Unknown Elsie's Creek 822 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-BC147197  Rubus parviflorus Geo. Hansen 1892-8-1 238 Amador [Elsie's] Else Creek 914 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
  UCR219018  Rumex crispus George K. Helmkamp, E. A. Helmkamp 2010-6-23 16342 Amador Sierra Nevada Mountains Foothills, Sutter Creek Road, 7.2 miles northeast of its junction with old CA-49 in Sutter Creek village 473 Comment
  CAS-BOT-BC103043  Salix bonplandiana John Thomas Howell 1969-4-22 45536 Amador Volcano Comment
  UC1134897  Salix exigua var. hindsiana G. T. Nordstrom 1936-5-27 807 Amador 4.3 mi nw Volcano; Jackson Quadrangle Comment
  CAS-BOT-BC107374  Salix lasiolepis var. lasiolepis John Thomas Howell 1969-4-22 45535 Amador Volcano 609 Comment
  UCR257190  Sanicula bipinnatifida George K. Helmkamp, Mary Alice Barnes 2013-5-13 20591 Amador Sierra Nevada Mountains, Fiddletown Road 12.7 miles northeast of its junction with E-16, c. 1.9 mi. west of junction with Shake Ridge Rd. 872 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
  UCR256994  Sanicula crassicaulis George K. Helmkamp, Mary Alice Barnes 2013-5-13 20579 Amador Sierra Nevada Mountains, Fiddletown Road, c. 9 miles northeast of its junction with E-16/Shenandoah Rd. near Plymouth 665 Comment
  GH400989  Scutellaria californica B. Anderson 1986-5-23 2990 Unknown Sutter Creek/Volcano Rd E of Sutter Creek 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
  UCR240756  Setaria pumila George K. Helmkamp, E. A. Helmkamp 2012-10-5 19981 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 10.7 miles east of CA-49, in Sutter Creek 635 Comment
  UCR252980  Setaria pumila George K. Helmkamp, Elizabeth Helmkamp 2013-8-11 22150 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 11.3 miles northeast of the town of Sutter Creek 582 Comment
  SEINET11265839  Silene gallica George Helmkamp, E. A. Helmkamp 2011-6-7 17477 Amador Northern Sierra Nevada Mountains Foothills: Sutter Creek Road, 3.4 miles west of Volcano (Pine Grove 7.5' Q.); 0 491 Comment
  UCR231000  Silene gallica George K. Helmkamp, E. A. Helmkamp 2011-6-7 17477 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 3.4 miles west of Volcano 491 Comment
  UCR230751  Stachys ajugoides var. rigida George K. Helmkamp, E. A. Helmkamp 2010-10-1 16992 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 1.1 miles southwest of its junction with Hale Road, 2.5 mi. NW (285 deg. ) of Volcano 692 Comment
  CAS-BOT-BC87504  Streptanthus tortuosus Geo. Hansen 1896-6-3 1710 Amador Sequoia Gigantea Region. Elsie's Creek. 822 Comment
  GH422266  Streptanthus tortuosus B. Anderson 1986-5-23 2985 Unknown Sutter Creek/Volcano Rd E of Sutter Creek Comment
  A386283  Symphoricarpos albus George Hansen 1895-06-01 - 1895-07-01 1143 Unknown Elsie's Creek 822 Comment
  CAS-BOT-BC269556  Symphoricarpos albus var. laevigatus Geo. Hansen 1895-5-1 1143 Amador Elsie's [Else] Creek 914 Comment
  JEPS21751  Symphoricarpos albus var. laevigatus G. T. Nordstrom 1936-5-27 805 Amador 4.3 mi nw Volcano; Jackson Quad. 518 Comment
  UC579575  Symphoricarpos albus var. laevigatus G. T. Nordstrom 1936-5-27 805 Amador 4.3 mi nw Volcano 518 Comment
  CAS-BOT-BC234611  Symphoricarpos mollis Geo. Hansen 1895-5-1 1143 Amador Elsee's [Else] Creek 914 Comment
  RSA785394  Torilis arvensis George K. Helmkamp, E. Helmkamp 2010-6-23 16341 Amador Sutter Creek Road, 7.2 miles northeast of its junction with old CA-49 in Sutter Creek village 473 Comment
  UCR219017  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2010-6-23 16341 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
  UC1134363  Torreya californica G. T. Nordstrom 1936-6-19 842 Amador 2 mi nw Pine Grove; Jackson Quad. 701 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
  SEINET7062946  Trifolium ciliolatum A. G. Vestal 1947-6-5 s.n. Calaveras About 5.4 miles north of West Point. UTM Zone 10, 707825mE, 4256170mN. (WGS84/NAD83). 695 Comment
  UCR218207  Trifolium ciliolatum George K. Helmkamp, E. A. Helmkamp 2010-5-31 16200 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, about 8 miles east of the village of Sutter Creek 457 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
  UCR230969  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
  UCR257186  Trifolium ciliolatum George K. Helmkamp, Mary Alice Barnes 2013-5-13 20586 Amador Sierra Nevada Mountains, Fiddletown Road 12.7 miles northeast of its junction with E-16, c. 1.9 mi. west of junction with Shake Ridge Rd. 872 Comment
  UC1199685  Trifolium hirtum Fred W. Sprung 1963-6-22 Amador 1.5 mi from Volcano 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
  SD241024  Trifolium microcephalum G. K. Helmkamp, E. A. Helmkamp 2010-6-23 16345 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
  SEINET9289354  Trifolium microcephalum Unknown 2010-6-23 16345 Amador Sierra Nevada Mountain Foothills Comment
  UCR219021  Trifolium microcephalum George K. Helmkamp, E. A. Helmkamp 2010-6-23 16345 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
  SEINET7067458  Trifolium willdenovii A. G. Vestal 1947-6-5 s.n. Amador About 5.4 miles north of West. Coordinate datum: NAD27. UTM Zone 10, 707913mE, 4255977mN. Comment
  UCR257191  Trifolium willdenovii George K. Helmkamp, Mary Alice Barnes 2013-5-13 20590 Amador Sierra Nevada Mountains, Fiddletown Road 12.7 miles northeast of its junction with E-16, c. 1.9 mi. west of junction with Shake Ridge Rd. 872 Comment
  GH361156  Trisetum canescens George Hansen 1896-6-25 1763 Unknown Volcano 762 Comment
  UC40085  Trisetum canescens Geo. Hansen 1896-6-25 1762 Amador Volcano Sequoia Gigantea Region 914 Comment
  UCR230084  Triteleia ixioides subsp. anilina George K. Helmkamp, E. A. Helmkamp 2011-6-7 17482 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
  UCR241811  Typha latifolia George K. Helmkamp, E. A. Helmkamp 2012-10-5 19980 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Road, 10.7 miles east of CA-49, in Sutter Creek 635 Comment
  CAS-BOT-BC91044  Umbellularia californica Geo. Hansen 1892-6-1 210 Amador Sequoia Region. Elsie's Creek. 914 Comment
  UC154535  Umbellularia californica Geo. Hansen 1894-7-6 210 Amador Sequoia Gigantea Region, Elsie's Creek Elsie's Creek; Sequoia Gigantea Region, Elsie's Creek 822 Comment
  UC1125678  Verbascum blattaria G. T. Nordstrom 1936-5-27 804 Amador 4.3 mi nw Volcano; Jackson Quad. Comment
  UCR232212  Vicia americana George K. Helmkamp, E. A. Helmkamp 2011-6-7 17489 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
  SFV16108  Vicia americana var. americana S. Mason 1993-7-26 44 Amador Sierra Nevada Volcano, off Pioneer-Volcano Road along edge of Golddust Road. Disturbed roadside. 762 Comment
  CAS-BOT-BC228848  Vicia sativa George K. Helmkamp; E. A. Helmkamp 2011-6-7 17490 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
  UCR232211  Vicia sativa subsp. nigra George K. Helmkamp, E. A. Helmkamp 2011-6-7 17490 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
  UCR248543  Woodwardia fimbriata George K. Helmkamp, Elizabeth Helmkamp 2013-9-13 22288 Amador Northern Sierra Nevada Mountains Foothills, Volcano Road; 0.1 mile northwest of the village of Volcano 671 Comment



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