Search Results — 2000 specimen records retrieved (1991 records with coordinates)
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Results for search: County=AMADOR; Source=All; Collector=Helmkamp;   

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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/consortium/).
 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-BC158575  Prunus G. K. Helmkamp; E. A. Helmkamp 2008-5-4 13382 Amador Sierra Nevada Mountains: Barton, c. 15 miles (air) NE of Jackson, at the junction of Tiger Creek Road and Black Prince Road, 0.6 mil east of the junction of Tiger Creek Road with CA-88 936 Comment
  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
  CAS-BOT-BC173259  Delphinium nuttallianum G. 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
  CAS-BOT-BC196034  Lupinus albifrons var. collinus G. K. Helmkamp; E. A. Helmkamp 2008-5-8 13430 Amador Sierra Nevada Mountains Foothills: along CA-26, 1.0 mile west of the Calaveras County line 709 Comment
  CAS-BOT-BC226253  Geranium dissectum George K. Helmkamp; E. A. Helmkamp 2011-5-19 17303 Amador Lower Sierra Nevada Foothills: Rock Creek Road, 2.8 miles northeast of the junction with Pardee Dam Road, 4.9 mi. SW (221 deg. ) of Jackson 305 Comment
  CAS-BOT-BC227110  Comandra umbellata subsp. californica George K. Helmkamp; E. A. Helmkamp 2011-5-10 17248 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-BC227263  Dudleya cymosa subsp. cymosa George K. Helmkamp; E. A. Helmkamp 2011-5-10 17246 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-BC227276  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-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
  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
  CAS-BOT-BC228550  Sidalcea glaucescens George K. Helmkamp; William Barnes 2010-9-4 16948 Amador Northern Sierra Nevada Mountains: Mormon Emigrant Trail, 0.2 mile west of its junction with CA-88 2232 Comment
  CAS-BOT-BC228552  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
  CAS-BOT-BC228607  Lithophragma George K. Helmkamp; E. A. Helmkamp 2011-5-10 17231 Amador Northern Sierra Nevada Mountains Foothills: Turner Road, 0.8 miles south of its junction with Amador Creek Road, 0.95 mi. SE (119 deg. ) of Amador City 311 Comment
  CAS-BOT-BC228608  Lepidium nitidum var. nitidum George K. Helmkamp; E. A. Helmkamp 2011-5-10 17232 Amador Northern Sierra Nevada Mountains Foothills: Turner Road, 0.8 miles south of its junction with Amador Creek Road, 0.95 mi. SE (119 deg. ) of Amador City 311 Comment
  CAS-BOT-BC228611  Acmispon parviflorus George K. Helmkamp; E. A. Helmkamp 2011-6-7 17460 Amador Northern Sierra Nevada Mountains Foothills: Pine Gulch Road, 0.5 mile north of its intersection with Sutter Creek Road 457 Comment
  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
  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
  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
  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
  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
  CAS-BOT-BC228847  Cerastium glomeratum George K. Helmkamp; E. A. Helmkamp 2011-5-10 17226 Amador Northern Sierra Nevada Mountains Foothills: Turner Road, 0.8 miles south of its junction with Amador Creek Road, 0.95 mi. SE (119 deg. ) of Amador City 311 Comment
  CAS-BOT-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
  CAS-BOT-BC245665  Penstemon newberryi var. newberryi G. K. Helmkamp 2007-6-29 12414 Amador Shot Rock Vista picnic area along CA-88, 0.9 miles east of its junction with Mormon Emigrant Trail, Bear River 7.5' Q., Northern Sierra Nevada Mountains 2328 Comment
  CAS-BOT-BC248294  Solanum umbelliferum George K. Helmkamp; E. A. Helmkamp 2011-5-19 17296 Amador Lower Sierra Nevada Foothills: NW of Pardee Reservoir, 0.1 mile east of Rock Creek Road on a gravel spur leading to houses, 4.65 mi. SW (220 deg. ) of Jackson 280 Comment
  CAS-BOT-BC249069  Aconogonon phytolaccifolium George K. Helmkamp; E. A. Helmkamp 2012-7-14 19418 Amador Northern Sierra Nevada Mountains: Tragedy Spring, near Carson Pass Hwy, along Tragedy Spring Road 0.3 mile east of its junction with CA-88 2421 Comment
  CAS-BOT-BC256775  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 2329 Comment
  CAS-BOT-BC257796  Calandrinia ciliata George K. Helmkamp; E. A. Helmkamp 2012-3-3 18600 Amador Northern Sierra Nevada Mountains Foothills: along CA-124 (E Plymouth Hwy), 1.2 miles northeast of Ione 169 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
  CAS-BOT-BC363977  Senecio integerrimus var. major G. K. Helmkamp; E. A. Helmkamp 2010-7-13 16517 Amador Northern Sierra Nevada Mountains: between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  CAS-BOT-BC400822  Hypericum anagalloides G. K. Helmkamp; E. A. Helmkamp 2008-6-23 13725 Amador Northern Sierra Nevada Mountains: Dufrene Road, 1.1 miles south of its junction with CA-88 (jct. is between Mormon Emigrant Trail and Bear River Reservoir Road), c. 2 miles (air) north of the west end of Lower Bear River Reservoir 2055 Comment
  CAS-BOT-BC418627  Kelloggia galioides G. K. Helmkamp; E. A. Helmkamp 2008-6-23 13719 Amador Northern Sierra Nevada Mountains: Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station. 2076 Comment
  CAS-BOT-BC422843  Papaver rhoeas G. K. Helmkamp; E. A. Helmkamp 2008-5-4 13400 Amador Sierra Nevada Mountains Foothills: along CA-49, 0.1 mile north of Drytown. 200 Comment
  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
  CAS-BOT-BC438795  Symphyotrichum G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12740 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail. 2172 Comment
  CAS-BOT-BC438797  Chenopodium G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12894 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
  CAS-BOT-BC438809  Perideridia lemmonii George K. Helmkamp; Elizabeth Helmkamp 2013-7-6 20992 Amador Northern Sierra Nevada Mountains: Bear River Road, 1.5 road miles east of the dam for Lower Bear River Reservoir. 1837 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
  CAS-BOT-BC438811  Helenium bigelovii George K. Helmkamp; Elizabeth Helmkamp 2013-7-6 20994 Amador Northern Sierra Nevada Mountains: Bear River Road, 1.5 road miles east of the dam for Lower Bear River Reservoir. 1837 Comment
  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-BC438821  Robinia pseudoacacia George K. Helmkamp; Mary Alice Barnes 2013-4-24 20388 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-BC444021  Epilobium glaberrimum subsp. glaberrimum George K. Helmkamp; Elizabeth Helmkamp 2013-7-6 20975 Amador Northern Sierra Nevada Mountains: Bear River Road at the south end of the dam for Lower Bear River Reservoir. 543 Comment
  CAS-BOT-BC444022  Galium triflorum George K. Helmkamp; Elizabeth Helmkamp 2013-7-6 20977 Amador Northern Sierra Nevada Mountains: Bear River Road at the south end of the dam for Lower Bear River Reservoir. 543 Comment
  CAS-BOT-BC444023  Agrostis idahoensis George K. Helmkamp; Elizabeth Helmkamp 2013-7-6 20987 Amador Northern Sierra Nevada Mountains: Bear River Road at the south end of the dam for Lower Bear River Reservoir. 543 Comment
  CAS-BOT-BC444032  Madia elegans George K. Helmkamp; Elizabeth Helmkamp 2013-8-11 22142 Amador Sierra Nevada Mountains Foothills: Sutter Creek-Volcano Road, 4.8 miles northeast of the town of Sutter Creek. 123 Comment
  CAS-BOT-BC444034  Agrostis G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12745 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail. 662 Comment
  CAS-BOT-BC444035  Agrostis stolonifera George K. Helmkamp; E. A. Helmkamp 2007-8-16 12770 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 0.9 mile northeast of the junction with Bear River Reservoir. 632 Comment
  CAS-BOT-BC445308  Gayophytum ramosissimum George K. Helmkamp; Elizabeth Helmkamp 2013-9-7 22280 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
  CAS-BOT-BC516744  Trifolium cyathiferum George K. Helmkamp; E. A. Helmkamp 2010-9-1 16870 Amador Northern Sierra Nevada Mountains: along CA-88, 2.6 mi SW of its jct with Mormon Emigrant Trail, c. 2.75 mi NNW of Upper Bear River Reservoir 2162 Comment
  CAS-BOT-BC518711  Lupinus grayi George K. Helmkamp; E. A. Helmkamp 2012-6-26 19267 Amador Northern Sierra Nevada Mountains:Panther Creek Rd, 0.9 mi S of its jct with CA-88, S of Hwy 88/Carson Pass Hwy and W of Lower Bear Reservoir 1671 Comment
  CAS-BOT-BC518743  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 jct with Spanish St. 389 Comment
  CAS-BOT-BC518744  Pseudognaphalium beneolens George K. Helmkamp; E. A. Helmkamp 2012-10-5 19983 Amador Northern Sierra Nevada Mountains Foothills: Fiddletown Rd, 1.3 mi W of jct with Shake Ridge Rd 941 Comment
  CAS-BOT-BC520325  Madia gracilis George K. Helmkamp; E. A. Helmkamp 2012-6-6 19122 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 1.1 mi W of Cooks Station 1438 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
  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-BC520347  Lessingia leptoclada George K. Helmkamp; E. A. Helmkamp 2012-10-5 19985 Amador Northern Sierra Nevada Mountains Foothills: Fiddletown Rd, 1.3 mi W of jct with Shake Ridge Rd 940 Comment
  CAS-BOT-BC520348  Euphorbia serpillifolia subsp. serpillifolia George K. Helmkamp; E. A. Helmkamp 2012-10-5 19989 Amador Northern Sierra Nevada Mountains Foothills: Fiddletown Rd, 1.5 mi W of Fiddletown 466 Comment
  CAS-BOT-BC520351  Brodiaea elegans George K. Helmkamp; Mary Alice Barnes 2013-5-17 20606 Amador Northern Sierra Nevada Mountains Foothills: Stony Creek Road, 3.6 mi SW of Jackson 292 Comment
  CAS-BOT-BC520352  Campanula exigua George K. Helmkamp; Mary Alice Barnes 2013-5-17 20615 Amador Foothills, Northern Sierra Nevada Mountains: Stony Creek Road, 8.7 mi SW of Jackson, 0.58 mi NNE (07 deg. ) of Chrome Mountain 307 Comment
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Jul 30 2020
  CAS-BOT-BC520364  Leersia oryzoides George K. Helmkamp; Elizabeth Helmkamp 2013-10-18 22443 Amador Sierra Nevada Mountains Foothills: Plymouth, at the jct of Mineral St and Mill St, near Hwy CA-49 329 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
  CAS-BOT-BC520366  Lupinus bicolor George K. Helmkamp 2014-4-5 22662 Amador Sierra Nevada Foothills: jct of Tonzi Rd and CA-124, NE of Ione 201 Comment
  CAS-BOT-BC520367  Phacelia cicutaria var. cicutaria George K. Helmkamp 2014-4-5 22670 Amador Eastern San Joaquin Valley: Sutter Creek--Ione Road, 1.2 mi S of jct with CA-124 196 Comment
  CAS-BOT-BC520368  Plagiobothrys nothofulvus George K. Helmkamp 2014-4-5 22674 Amador Eastern San Joaquin Valley: Sutter Creek--Ione Road, 1.2 mi S of jct with CA-124 196 Comment
  CAS-BOT-BC523897  Anaphalis margaritacea George K. Helmkamp; Amy Barnes 2014-10-10 23135 Amador Northern Sierra Nevada Mountains: West side of Bear River Reservoir, 0.2 mi N of the dam 1795 Comment
  CAS-BOT-BC526863  Epilobium brachycarpum George K. Helmkamp; E. A. Helmkamp 2012-9-7 19762 Amador Northern Sierra Nevada Mountains Foothills: along CA-49, 1.2 mi N of the jct with Fiddletown Rd at Plymouth 298 Comment
  CAS-BOT-BC530096  Viola lobata subsp. lobata G. K. Helmkamp; E. A. Helmkamp 2008-6-23 13718 Amador Northern Sierra Nevada Mountains: Dufrene Road, 0.1 miles south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 Comment
  CAS-BOT-BC62722  Quercus chrysolepis G. K. Helmkamp; E. A. Helmkamp 2008-5-4 13384 Amador Sierra Nevada Mountains Foothills: along Tiger Creek Road, 2.8 miles east of CA-88; at the entrance to 744 Comment
  CDA25217  Dittrichia graveolens G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13099 Amador Central Valley / Northern Sierra Nevada Foothills; Along CA-124, 0.3 mile north of its junction with CA-88 and south of Ione. Comment
  CDA25218  Oenothera elata subsp. hirsutissima G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13097 Amador Central Valley / Northern Sierra Nevada Foothills; Along CA-124, 0.3 mile north of its junction with CA-88 and south of Ione. Comment
  CDA25626  Atriplex canescens subsp. canescens G. K. Helmkamp, E. A. Helmkamp 2007-10-13 13102 Amador Northern Sierra Nevada Mountains Foothills; Along Highway CA-49, 0.6 mile south of Plymouth. Comment
  CDA36227  Nicotiana acuminata var. multiflora G. K. Helmkamp, E. A. Helmkamp 2009-9-22 15635 Amador Sierra Nevada Mountains Foothills; Junction of Shenandoah Road (CA Hwy 16) and Steiner Road, southwest of River Pines. Comment
  CDA36228  Kickxia elatine G. K. Helmkamp, E. A. Helmkamp 2009-9-22 15636 Amador Sierra Nevada Mountains Foothills; Junction of Shenandoah Road (CA Hwy 16) and Steiner Road, southwest of River Pines. 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
  CDA36230  Tribulus terrestris G. K. Helmkamp, E. A. Helmkamp 2009-9-22 15639 Amador Sierra Nevada Mountains Foothills; Junction of Shenandoah Road (CA Hwy 16) and Steiner Road, southwest of River Pines. 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
  CDA36233  Panicum capillare G. K. Helmkamp, E. A. Helmkamp 2009-9-22 15647 Amador Sierra Nevada Mountains Foothills; Junction of Shenandoah Road (CA Hwy 16) and Steiner Road, southwest of River Pines. Comment
  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
  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
  CDA36252  Geranium dissectum G. K. Helmkamp, E. A. Helmkamp 2007-4-23 11794 Amador Foothills, Northern Sierra Nevada Mountains; Along CA Hwy 124, 0.25 mile from its junction with Hwy 16. Comment
  CDA36370  Collinsia sparsiflora G. K. Helmkamp, E. A. Helmkamp 2007-4-23 11783 Amador Foothills, Northern Sierra Nevada Mountains; Along Bell Road beside Plymouth Creek just east of Calif. Hwy 49 in the vicinity of Enterprise. Comment
  CHSC114149  Juncus G. K. Helmkamp 2008-6-17 13683 Amador Northern Sierra Nevada Mountains: Bear River Reservoir Road along the south side of Bear Rivedr Reservoir. 1797 Comment
  CHSC114151  Juglans hindsii G. K. Helmkamp; E. A. Helmkamp 2009-8-24 15522 Amador Foothills, northern Sierra Nevada Mountains: Shanandoah Road, 1.2 miles northeast of Plymouth and just north of its junction with Fiddletown Road. 363 Comment
  HSC101379  Clarkia williamsonii G. K. Helmkamp, E. A. Helmkamp 2011-7-12 17679 Amador Northern Sierra Nevada Mountains Foothills: along CA-88, 1.4 mi. SW of Ridge Road, 1.3 mi. NW of Clinton 622 Comment
  HSC104159  Artemisia douglasiana G. K. Helmkamp, E. A. Helmkamp 2012-1 19874 Amador Northern Sierra Nevada Mountains; along Hwy. E-26 (Red Corral/West Point-Pioneer Rd.) just north of the bridge over the North Fork Mokelumne River 613 Comment
  HSC104161  Verbena lasiostachys var. lasiostachys G. K. Helmkamp, E. A. Helmkamp 2012-6-26 19283 Amador Northern Sierra Nevada Mountains; Panther Creek Road, 8.0 mi. S of its junction with CA-88, along Panther Creek 1345 Comment
  HSC104165  Artemisia ludoviciana subsp. ludoviciana G. K. Helmkamp, E. A. Helmkamp 2012-10-5 19967 Amador Northern Sierra Mountain foothills; beside Sutter Creek along the Sutter Creek-Volcano Road, 0.6 mi. SW of Meadowlark Lane 421 Comment
  HSC104230  Artemisia douglasiana G. K. Helmkamp, E. A. Helmkamp 2012-11-5 20121 Amador Sierra Nevada Mountains Foothills: Along CA-26 on the north side of the bridge over the North Fork Mokelumne River 628 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
  JEPS119409  Madia gracilis G. K. Helmkamp, E. A. Helmkamp 2009-8-6 15400 Amador ierra 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 Comment
  JEPS119419  Holocarpha virgata subsp. virgata G. 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 Comment
  JEPS119435  Madia gracilis George K. Helmkamp, Ann Kerchner, Amy Barnes 2011-8-6 17956 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 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
  JEPS119466  Madia gracilis George K. Helmkamp with E. A. Helmkamp 2011-6-7 17461 Amador Northern Sierra Nevada Mountains Foothills, Pine Gulch Road, 0.5 mile north of its intersection with Sutter Creek Road Comment
  OBI74755  Centromadia fitchii G. K. Helmkamp, E. A. Helmkamp 2006-10-6 11475 Amador N Sierra Nevada Mts Foothills; along hwy Ca-49, 1.1 mi S of Plymouth (Amador City 7.5' Q) 314 Comment
  RSA0011987  Muhlenbergia filiformis George K. Helmkamp, E. A. Helmkamp 2011-8-6 18008 Amador Ellis Road, 0.2 miles south of its junction with CA-88 2009 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
  RSA0012105  Trifolium glomeratum George K. Helmkamp, E. A. Helmkamp 2011-6-7 17470 Amador Shake Ridge Road, 1 mile southwest of its junction with Pine Gulch Road, c. 1.3 mi. NE of Sutter Creek 427 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
  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
  RSA0013368  Aster integrifolius George K. Helmkamp, E. A. Helmkamp 2010-9-1 16882 -A Amador Northern Sierra Nevada Mountains: along CA-88, 2.6 miles southwest of its junction with Mormon Emigrant Trail, e. 2.75 mi NNW of Upper Bear River Reservoir. 2162 Comment
  RSA0013370  Aster foliaceus var. parryi George K. Helmkamp, E. A. Helmkamp 2010-9-1 16887 Amador Northern Sierra Nevada Mountains: along CA-88, 2.6 miles southwest of its junction with Mormon Emigrant Trail, e. 2.75 mi NNW of Upper Bear River Reservoir. 2162 Comment
  RSA0013374  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2010-9-1 16874 Amador Northern Sierra Nevada Mountains: along CA-88, 2.6 miles southwest of its junction with Mormon Emigrant Trail, e. 2.75 mi NNW of Upper Bear River Reservoir. 2162 Comment
  RSA0013392  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2010-4-3 15798 Amador Low foothills northern Sierra Nevada Moutnains: 4.35 mi. NE (31 degrees) of Ione, juntion of Tonzi Road and CA-124/East Plymouth Hwy 180 Comment
  RSA0013399  Montia parvifolia George K. Helmkamp, E. A. Helmkamp 2012-7-2 19298 Amador Bear River Road at the south end of the dam of Lower Bear River Reservoir 1774 Comment
  RSA0025303  Juncus effusus subsp. pacificus George K. Helmkamp, E. A. Helmkamp 2009-9-15 15620 Amador Panther Creek Road, 0.2 mi south of its junction with CA-88, 5.2 air mi west of Bear River Reservoir. 1622 Comment
  RSA0035669  Robinia pseudoacacia George K. Helmkamp, Mary Alice Barnes 2013-4-24 20388 Amador Along CA-26 (Red Corral/West Point-Pioneer Rd.), 0.7 mile west of the crossing over North Fork Mokelumne River 704 Comment
  RSA0035670  Euphorbia oblongata George K. Helmkamp, Mary Alice Barnes 2013-4-24 20387 Amador Along CA-26 (Red Corral/West Point-Pioneer Rd.), 0.7 mile west of the crossing over North Fork Mokelumne River 704 Comment
  RSA0035671  Lupinus albifrons var. albifrons George K. Helmkamp, Mary Alice Barnes 2013-4-24 20385 Amador Along CA-26 (Red Corral/West Point-Pioneer Rd.), 2.8 miles southeast of its junction with CA-88 905 Comment
  RSA0035672  Trifolium hirtum George K. Helmkamp, Mary Alice Barnes 2013-4-24 20384 Amador Along CA-26 (Red Corral/West Point-Pioneer Rd.), 2.8 miles southeast of its junction with CA-88 905 Comment
  RSA0035868  Gayophytum ramosissimum George K. Helmkamp, Elizabeth A. Helmkamp 2013-9-7 22280 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
  RSA0036002  Blennosperma nanum var. nanum George K. Helmkamp 2013-3-14 20172 Amador S edge of city of Plymouth; along CA-49, 1.1 miles southwest of its junction with Fiddletown Road 319 Comment
  RSA0039239  Arabis microphylla var. microphylla George K. Helmkamp, Elizabeth A. Helmkamp 2013-7-10 21014 Amador Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  RSA0039241  Arabis hirsuta var. glabrata George K. Helmkamp, Elizabeth A. Helmkamp 2013-7-10 21026 Amador Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  RSA0039244  Lessingia leptoclada George K. Helmkamp, Elizabeth A. Helmkamp 2013-9-13 22293 Amador Fiddletown Road, 0.4 mile west of its junction with Shake Ridge Road 977 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
  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
  RSA0045225  Quercus douglasii George K. Helmkamp, E. A. Helmkamp 2006-10-6 11460 Amador Along Calif. Hwy 49 near Enterprise, 1.8 miles south of El Dorado Co. line. 274 Comment
  RSA0049908  Trifolium cyathiferum George K. Helmkamp, E. A. Helmkamp 2010-9-1 16870 Amador 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
  RSA0049941  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-6-6 19140 Amador Panther Creek Road, 6.2 miles south of its junction with CA-88, 5.9 mi. SW (245 deg ) of Bear River Reservoir dam 1438 Comment
  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
  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
  RSA0053696  Gilia capitata subsp. mediomontana G. K. Helmkamp, E. A. Helmkamp 2012-6-26 19272 Amador Northern Sierra Nevada Mountains: Panther Creek Road, 0.9 mile south of its junction with CA-88, S of Hwy 88/Carson Pass Hwy and W of Lower Bear Reservoir. 1617 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
  RSA0057866  Lotus purshianus var. purshianus George K. Helmkamp, Elizabeth A. Helmkamp 2013-9-7 22282 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
  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
  RSA0057872  Polygonum aviculare George K. Helmkamp, Elizabeth A. Helmkamp 2013-9-7 22281 Amador 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
  RSA0060679  Elymus ponticus George K. Helmkamp, E. A. Helmkamp 2007-8-16 12771 Amador Along Hwy CA-88, 0.9 mile northeast of the junction with Bear River Reservoir Road. 2076 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
  RSA0062467  Mimulus primuloides var. primuloides George K. Helmkamp, Elizabeth A. Helmkamp 2013-7-6 20999 Amador Bear River Road, 1.5 road miles east of the dam for Lower Bear River Reservoir. 1837 Comment
  RSA0062469  Collomia George K. Helmkamp, Elizabeth A. Helmkamp 2013-7-6 20956 Amador Panther Creek Road, 0.6 mile south of its junction with Hwy CA-88. 1633 Comment
  RSA0065883  Verbascum blattaria George K. Helmkamp, Elizabeth A. Helmkamp 2013-8-2 22070 Amador SE of Pioneer along CA-26, north side of North Fork Mokelumne River 628 Comment
  RSA0068234  Nemophila menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2012-3-22 18636 Amador Bell Road, 0.2 mile east of its junction with CA-49. 270 Comment
  RSA0070098  Nemophila heterophylla George K. Helmkamp, Amy Barnes 2014-5-8 22851 Amador Along CA-104, 1.2 miles southeast of Ione. 146 Comment
  RSA0070101  Streptanthus polygaloides George K. Helmkamp, Amy Barnes 2014-5-8 22841 Amador Tonzi Road, 0.4 mile east of its junction with CA-124, 4.5 air miles NE (35 deg ) of Ione. 188 Comment
  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
  RSA0078106  Oxalis corniculata George K. Helmkamp, E. A. Helmkamp 2006-10-6 11477 Amador Along Calif. Hwy 49, 1.1 miles south of Plymouth. 314 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
  RSA0081164  Hemizonia fitchii George K. Helmkamp, E. A. Helmkamp 2006-10-6 11475 Amador Along Calif. Hwy 49, 1.1 miles south of Plymouth. 314 Comment
  RSA0081167  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2006-10-6 11474 Amador Along Calif. Hwy 49, 1.1 miles south of Plymouth. 314 Comment
  RSA0081168  Hirschfeldia incana George K. Helmkamp, E. A. Helmkamp 2006-10-6 11463 Amador Along Calif. Hwy 49 near Enterprise, 1.8 miles south of El Dorado Co. line. 274 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
  RSA0081170  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2006-10-6 11466 Amador Along Calif. Hwy 49 beside Big Indian Creek; 2.2 miles south of El Dorado County line. 271 Comment
  RSA0081171  Typha angustifolia George K. Helmkamp, E. A. Helmkamp 2006-10-6 11469 Amador Along Calif. Hwy 49 beside Big Indian Creek; 2.2 miles south of El Dorado County line. 271 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
  RSA0081176  Polygonum punctatum George K. Helmkamp, E. A. Helmkamp 2006-10-6 11471 Amador Along Calif. Hwy 49 beside Big Indian Creek; 2.2 miles south of El Dorado County line. 271 Comment
  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
  RSA0081178  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 2006-10-6 11479 Amador Along Calif. Hwy 49, 1.1 miles south of Plymouth. 314 Comment
  RSA0093487  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2012-9-20 19881 Amador Northern Sierra Nevada Mountains Foothills. along Hwy E-26 (Red Corral/West Point-Pioneer Rd.) just north of the bridge over the North Fork Mokelumne River. 613 Comment
  RSA0093519  Mimulus aurantiacus George K. Helmkamp, Mary Alice Barnes 2013-5-17 20612 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
  RSA0093520  Dichelostemma volubile George K. Helmkamp, Mary Alice Barnes 2013-5-17 20613 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
  RSA0093522  Brodiaea elegans subsp. elegans George K. Helmkamp, Mary Alice Barnes 2013-5-17 20606 Amador Northern Sierra Nevada Mountains Foothills. Stony Creek Road, 3.6 miles southwest of Jackson. 293 Comment
  RSA0093525  Leontodon taraxacoides subsp. longirostris George K. Helmkamp, Mary Alice Barnes 2013-5-17 20611 Amador Northern Sierra Nevada Mountains Foothills. Stony Creek Road, 6.8 miles southwest of Jackson, 0.57 mi. NE (20 deg ) of Chrome Mountain. 302 Comment
  RSA0093527  Linanthus ciliatus George K. Helmkamp, E. A. Helmkamp 2012-6-26 19255 Amador Northern Sierra Nevada Mountains. Panther Creek Road, 0.4 mile south of its junction with CA-88/Carson Pass Hwy and W of Lower Bear Reservoir. 1643 Comment
  RSA0093627  Mentha spicata var. spicata George K. Helmkamp, E. A. Helmkamp 2012-10-5 19968 Amador Northern Sierra Nevada Mountains Foothills. beside Sutter Creek along the Sutter Creek-Volcano Road, 0.6 mile southwest of Meadowlark Lane. 421 Comment
  RSA0094833  Collinsia heterophylla George K. Helmkamp, Amy Barnes 2014-5-8 22860 Amador Sierra Nevada Mountains Foothills. Sutter Creek-Volcano Road, 0.2 mile east of old CA-49 in town of Sutter Creek. 375 Comment
  RSA0094835  Plectritis brachystemon George K. Helmkamp, Amy Barnes 2014-5-8 22857 Amador Sierra Nevada Mountains Foothills. Sutter Creek-Volcano Road, 0.2 mile east of old CA-49 in town of Sutter Creek. 375 Comment
  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
  RSA0094837  Triteleia hyacinthina George K. Helmkamp, Amy Barnes 2014-5-8 22853 Amador Sacramento Valley/Sierra Nevada Foothills. along CA-104, 1.2 miles southeast of Ione. 146 Comment
  RSA0094877  Cryptantha flaccida George K. Helmkamp, Amy Barnes 2014-5-8 22842 Amador Sacramento Valley/Sierra Nevada Foothills. Tonzi Road, 0.4 mile east of its junction with CA-124, 4.5 air miles NE (35 deg ) of Ione. 188 Comment
  RSA0105156  Eschscholzia californica George K. Helmkamp 2014-3-14 22568 Amador West end Sacramento Valley: Willow Creek Road, 1.1 miles south of Hwy E-16. 253 Comment
  RSA0105204  Amsinckia intermedia George K. Helmkamp 2014-3-14 22562 Amador Eastern Sacramento Valley/Sierra Nevada Foothills: along Hwy E-16, 0.6 mile southwest of the junction with CA-49, c. 2.5 mi southwest of Plymouth. 250 Comment
  RSA0107359  Mimulus cardinalis George K. Helmkamp, E. A. Helmkamp 2012-9-20 19882 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
  RSA0115335  Euphorbia ocellata George K. Helmkamp, E. A. Helmkamp 2012-9-7 19767 Amador Northern Sierra Nevada Mountains Foothills: along CA-49, 1.2 miles north of the junction with Fiddletown Road at Plymouth. 299 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
  RSA714203  Lomatium vaginatum George K. Helmkamp, E. Helmkamp 2006-3-19 10082 Amador Northern Sierra Nevada Foothills: along CA Highway 49 just S of Plymouth 323 Comment
  RSA714204  Lepidium nitidum var. nitidum George K. Helmkamp, E. A. Helmkamp 2006-3-19 10084 Amador Northern Sierra Nevada Foothills: along CA Highway 49 just S of Plymouth 323 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
  RSA715278  Valerianella locusta George K. Helmkamp, E. A. Helmkamp 2006-5-9 10341 Amador Northern Sierra Nevada foothills: Grass Valley Creek, 1.2 miles east of Pine Grove along Hwy CA-88. 762 Comment
  RSA725740  Euphorbia oblongata George K. Helmkamp, E. A. Helmkamp 2006-10-8 11500 Amador Northern Sierra Nevada Mountains Foothills: along Hwy CA-26, 0.6 mile west of North Fork of the Mokelumne River. 732 Comment
  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
  RSA725960  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2006-10-23 11567 Amador Central Valley/Northern Sierra Nevada Foothills: along CA-16, 0.2 mile east of Waits Station, southwest of Plymouth. 305 Comment
  RSA727335  Leersia oryzoides George K. Helmkamp, E. A. Helmkamp 2007-8-26 12814 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
  RSA739785  Penstemon rydbergii var. oreocharis George K. Helmkamp 2007-6-29 12440 Amador Kirkwood Meadows about one mile west of Kirkwood and 0.1 mile south of CA-88 2317 Comment
  RSA739786  Gayophytum diffusum subsp. parviflorum George K. Helmkamp 2007-6-29 12433 Amador Kirkwood Meadows about one mile west of Kirkwood and 0.1 mile south of CA-88 2317 Comment
  RSA739789  Penstemon roezlii George K. Helmkamp 2007-6-29 12431 Amador Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake 2244 Comment
  RSA739790  Prunus emarginata George K. Helmkamp 2007-6-29 12419 Amador Shot Rock Vista picnic area along CA-88, 0.9 miles east of its junction with Mormon Emigrant Trail 2329 Comment
  RSA746547  Castilleja attenuata George K. Helmkamp, E. A. Helmkamp 2007-4-5 11742 Amador Foothills, Northern Sierra Nevada Mtns.: along CA-49, 0.2 miles west of Amador City. 309 Comment
  RSA746968  Atriplex canescens subsp. canescens George K. Helmkamp, E. Helmkamp 2008-10-30 14303 Amador along CA-49, 0.2 mile south of Plymouth 314 Comment
  RSA748183  Rhamnus californica subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2007-4-23 11817 Amador Foothills, Nothern Sierra Nevada Mtns.: junction of Tonzi Road and CA-124 about 7 miles N of Ione. 229 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
  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
  RSA748977  Eschscholzia lobbii George K. Helmkamp, E. A. Helmkamp 2007-4-23 11809 Amador junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  RSA748978  Gilia tricolor subsp. diffusa George K. Helmkamp, E. A. Helmkamp 2007-4-23 11808 Amador junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  RSA748979  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2007-4-23 11802 Amador junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  RSA748980  Collinsia sparsiflora George K. Helmkamp, E. A. Helmkamp 2007-4-23 11783 Amador along Bell Road beside Plymouth Creek just east of Calif. Hwy 49 in the vicinity of Enterprise 302 Comment
  RSA750320  Rhamnus tomentella subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2008-9-28 14171 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
  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
  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
  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
  RSA752646  Delphinium nuttallianum George K. Helmkamp, E. A. Helmkamp 2008-6-23 13711 Amador Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 Comment
  RSA752654  Trifolium monanthum subsp. monanthum George K. Helmkamp 2008-6-17 13679 Amador Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  RSA774002  Quercus douglasii George K. Helmkamp, E. A. Helmkamp 2009-10-11 15680 Amador Willow Creek Road just south of its junction with CA-16, 3.3 mi. SW (235 ) of Plymouth 192 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
  RSA781306  Amaranthus retroflexus George K. Helmkamp, E. Helmkamp 2009-9-22 15640 Amador junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 Comment
  RSA781581  Panicum capillare George K. Helmkamp, E. A. Helmkamp 2009-9-22 15647 Amador junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 Comment
  RSA781950  Juglans hindsii George K. Helmkamp, E. A. Helmkamp 2009-8-24 15522 Amador Shanandoah Road, 1.2 miles northeast of Plymouth and just north of its junction with Fiddletown Road. 363 Comment
  RSA781953  Juglans hindsii George K. Helmkamp, E. A. Helmkamp 2009-8-24 15525 Amador San Joaquin Valley/ Sierra Nevada foothills: along CA-16, 1.1 miles west of its junction with CA-49, southwest of Plymouth. 220 Comment
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Nov 18 2015
  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
  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
  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
  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
  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
  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
  RSA792001  Rorippa George K. Helmkamp, E. A. Helmkamp 2012-7-2 19317 Amador Northern Sierra Nevada Mountains: Bear River Road, 3.0 miles east of the Lower Bear River Reservoir dam. 1816 Comment
  RSA792002  Penstemon newberryi var. newberryi George K. Helmkamp, E. A. Helmkamp 2012-7-2 19310 Amador Northern Sierra Nevada Mountains: Bear River Road, 0.1 miles east of the south end of the dam of Lower Bear River Reservoir. 1776 Comment
  RSA792067  Astragalus bolanderi George K. Helmkamp, E. A. Helmkamp 2012-7-14 19419 Amador Northern Sierra Nevada Mountains: Tragedy Spring, near Carson Pass Highway, along Tragedy Spring Road 0.3 miles east of its junction with CA-88 2421 Comment
  RSA792068  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2012-7-14 19386 Amador Northern Sierra Nevada Mountains: edge of Martin Meadow along CA-88 (Carson Pass highway), 2.2 miles north of Silver Lake. 2317 Comment
  RSA792069  Mimulus George K. Helmkamp, E. A. Helmkamp 2012-7-14 19385 Amador Northern Sierra Nevada Mountains: Shot Rock Vista Rest Stop along CA-88 (Carson Pass Highway), 1 mile west of junction with Mormon Emigrant Trail. 2329 Comment
  RSA792070  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 highway), 2.2 miles north of Silver Lake. 2317 Comment
  RSA794578  Erigeron breweri George K. Helmkamp, E. A. Helmkamp 2011-8-6 17986 Amador Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  RSA794584  Mimulus layneae George K. Helmkamp, E. A. Helmkamp 2011-8-6 18000 Amador Ellis Road, 0.2 miles south of its junction with CA-88. 2009 Comment
  RSA794585  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 2011-8-6 17999 Amador Ellis Road, 0.2 miles south of its junction with CA-88. 2009 Comment
  RSA794914  Mimulus bicolor George K. Helmkamp, E. A. Helmkamp 2011-8-6 17957 Amador Ellis Road, 2.1 miles south of its junction with CA-88. 1794 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
  RSA795035  Linanthus ciliatus George K. Helmkamp, E. A. Helmkamp 2011-8-6 17958 Amador Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  RSA795036  Lotus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2011-8-6 17960 Amador Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  RSA795040  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, E. A. Helmkamp 2011-8-6 17961 Amador Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  RSA795350  Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2011-8-6 17977 Amador Ellis Road, 2.1 miles south of its junction with CA-88 1794 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
  RSA795353  Epilobium densiflorum George K. Helmkamp, E. A. Helmkamp 2011-8-6 17962 Amador Ellis Road, 2.1 miles south of its junction with CA-88. 1794 Comment
  RSA795354  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2011-8-6 17963 Amador Ellis Road, 2.1 miles south of its junction with CA-88. 1794 Comment
  RSA795623  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2011-8-6 17959 Amador Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  SBBG120592  Lupinus microcarpus var. densiflorus G. K. Helmkamp with E. A. Helmkamp 2006-5-6 10300 Amador St Hwy 49, 0.3 mi S of Drytown 226 Comment
  SBBG120616  Lathyrus sulphureus G. K. Helmkamp, E. A. Helmkamp 2006-5-9 10325 Amador Climax Rd SW of Pine Grove, 0.1 mi W of St Hwy 88 701 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
  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
  SBBG126183  Castilleja attenuata G. K. Helmkamp with E. A. Helmkamp 2007-4-5 11742 Amador St Hwy 49, 0.2 mi W of Amador City 309 Comment
  SBBG126196  Eucephalus breweri G. K. Helmkamp with E. A. Helmkamp 2007-7-17 12514 Amador St Hwy 88, 0.7 mi N of its jct with Mormon Emigrant Trail; Shot Rock trailhead 2325 Comment
  SBBG128401  Allium validum G. K. Helmkamp, E. A. Helmkamp 2012-7-14 19407 Amador between CA-88 and the El Dorado County line, 0.9 mi N of Silver Lake along CA-88 2267 Comment
  SBBG128591  Acmispon nevadensis var. nevadensis G. K. Helmkamp, E. A. Helmkamp 2011-8-6 17960 Amador Ellis Rd, 2.1 mi S of its jct with CA-88 1794 Comment
  SBBG128592  Eriophyllum lanatum var. achilleoides G. K. Helmkamp, E. A. Helmkamp 2011-8-6 17961 Amador Ellis Rd, 2.1 mi S of its jct with CA-88 1794 Comment
  SBBG128637  Astragalus bolanderi G. K. Helmkamp, E. A. Helmkamp 2011-8-6 17988 Amador Ellis Rd, 0.2 mi S of its jct with CA-88 2009 Comment
  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
  SBBG128639  Erigeron breweri G. K. Helmkamp, E. A. Helmkamp 2011-8-6 17986 Amador Ellis Rd, 0.2 mi S of its jct with CA-88 2009 Comment
  SBBG128652  Penstemon roezlii G. K. Helmkamp, E. A. Helmkamp 2011-8-6 17963 Amador Ellis Rd, 2.1 mi S of its jct with CA-88 1794 Comment
  SBBG128817  Erigeron glacialis var. glacialis G. K. Helmkamp, E. A. Helmkamp 2012-7-14 19417 Amador Tragedy Spring, near Carson Pass Hwy, along Tragedy Spring Rd 0.3 mi E of its jct with CA 88 2421 Comment
  SBBG128847  Platanthera dilatata var. leucostachys G. K. Helmkamp, E. A. Helmkamp 2010-9-1 16910 Amador Dufrene Rd 0.7 mi E of its jct with CA-88, N of Lower Bear River Reservoir 2044 Comment
  SBBG128994  Aconogonon phytolaccifolium G. K. Helmkamp, E. A. Helmkamp 2012-7-14 19416 Amador Tragedy Spring, near Carson Pass Hwy, along Tradedy Spring Rd 0.3 mi E of its jct with CA 88 2421 Comment
  SBBG128999  Osmorhiza berteroi G. K. Helmkamp, E. A. Helmkamp 2012-7-14 19391 Amador edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 mi N of Silver Lake 2317 Comment
  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
  SBBG129035  Trifolium cyathiferum G. K. Helmkamp, E. A. Helmkamp 2010-9-1 16870 Amador CA-88, 2.6 mi SW of its jct with Mormon Emigrant Trail, ca. 2.75 mi NNW of Upper Bear River Reservoir 2162 Comment
  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
  SBBG129261  Blepharipappus scaber G. K. Helmkamp, A. Barnes 2014-5-8 22838 Amador Tonzi Rd, 0.4 mi E of its jct with CA-124, 4.5 air mi NE of Ione 188 Comment
  SBBG129274  Gilia tricolor subsp. diffusa G. K. Helmkamp, A. Barnes 2014-5-8 22835 Amador Tonzi Rd, 0.4 mi E of its jct with CA 124, 4.5 air mi NE (35 deg) of Ione 188 Comment
  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
  SD197698  Euthamia occidentalis G. K. Helmkamp, E. A. Helmkamp 2008-10-23 14282 Amador San Joaquin Valley: unnamed dirt road 0.1 mile west of Buena Vista Road, 1.9 miles north of Jackson Valley Road. 128 Comment
  SD197732  Scleranthus annuus G. K. Helmkamp, E. A. Helmkamp 2007-4-23 11813 Amador Northern Sierra Nevada Mountains; junction of Tonzi Road and CA-124, ca. 7.0 mile north of Ione. 228 Comment
  SD197734  Atriplex canescens var. canescens G. K. Helmkamp, E. A. Helmkamp 2008-10-30 14303 Amador Northern Sierra Nevada Mountains Foothills; along CA-49, 0.2 mile south of Plymouth. 313 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
  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
  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
  SD197920  Diplacus aurantiacus G. K. Helmkamp, E. A. Helmkamp 2008-10-23 14277 Amador Comanche Parkway, 0.1 mile east of the junction with Coal Mine Road, north of Comanche Reservoir. 136 Comment
  SD212613  Lupinus microcarpus var. densiflorus G. K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10300 Amador Along Highway CA49, 0.3 mile south of Drytown. 226 Comment
  SD212614  Lupinus nanus G. K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10304 Amador Along Highway CA-49, 0.3 mile south of Drytown. 226 Comment
  SD212620  Trifolium dubium G. K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10334 A Amador Grass Valley Creek, 1.2 miles east of Pine Grove along Highway CA 88. 762 Comment
  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
  SD212729  Collinsia bartsiifolia var. bartsiifolia G. K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10366 Amador Northern Sierra Nevada Foothills: Near Enterprise, circa 0.4 miles East of CA Highway 88 on an unnamed dirt road (probably Bell Road) 305 Comment
  SD212749  Valerianella locusta G. K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10341 Amador Grass Valley Creek, 1.2 miles east of Pine Grove along Highway CA 88. 762 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
  SD234283  Blennosperma nanum var. nanum G. K. Helmkamp, E. A. Helmkamp 2006-3-19 10085 Amador Northern Sierra Nevada Foothills: along CA Highway 49 just S of Plymouth. Marshy pasture & wet roadside ditches. 323 Comment
  SD234357  Stellaria media G. K. Helmkamp, E. A. Helmkamp 2006-3-19 10094 Amador Northern Sierra Nevada Foothills: Along CA Highway 49 S of Plymouth (Amador City 7.5' Q) 323 Comment
  SD234415  Erodium botrys G. K. Helmkamp, E. A. Helmkamp 2006-3-19 10091 Amador Northern Sierra Nevada Foothills: Along CA Highway 49 just S of Plymouth (Amador City 7.5' Q) 323 Comment
  SD234416  Erodium cicutarium G. K. Helmkamp, E. A. Helmkamp 2006-3-19 10089 Amador Northern Sierra Nevada Foothills: Along CA Highway 49 just S of Plymouth (Amador City 7.5' Q) 323 Comment
  SD234507  Potentilla gracilis var. fastigiata G. K. Helmkamp, E. A. Helmkamp 2007-7-17 12528 Amador Northern Sierra Nevada Mountains: along CA-88 at Martin Meadow, 2.2 miles north of Silvre Lake. 2317 Comment
  SD234814  Helianthella californica G. K. Helmkamp, E. A. Helmkamp 2008-6-23 13736 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 mile (air) north of the west end of Lower Bear River Reservoir (Peddler Hill 7.5'Q) 2054 Comment
  SD234820  Centromadia fitchii G. K. Helmkamp, E. A. Helmkamp 2006-10-6 11475 Amador Northern Sierra Nevada Mountains: along Hwy CA-49, 1.1 miles south of Plymouth (Amador City 7.5'Q) 313 Comment
  SD234822  Holocarpha virgata subsp. virgata G. K. Helmkamp, E. A. Helmkamp 2007-9-4 12903 Amador Foothills, Northern Sierra Nevada Mountains: along Hwy CA-49, south of Drytown and near the crossing of Sutter Creek (Amador City 7.5'Q) 241 Comment
  SD234826  Lasthenia californica G. K. Helmkamp, E. A. Helmkamp 2007-3-17 11639 Amador Sacramento Valley/ Sierra Nevada Foothills: Hwy CA-24, 3.2 miles SW of Plymouth near Tonzi Road (Irish Hill 7.5'Q) 210 Comment
  SD234868  Arenaria kingii var. glabrescens G. K. Helmkamp, E. A. Helmcamp 2008-7-11 13785 Amador Northern side of Sierra Nevada Mountains: Shot Rock Vista picnic area on the south side of CA-88, 0.9 miles east of the junction of Mormon Emigrant Trail. 2329 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
  SD234982  Navarretia leptalea subsp. bicolor G. K. Helmkamp, E. A. Helmkamp 2008-6-23 13715 Amador Northern Sierra Nevada Mountains: Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station. (Peddler Hill 7.5' Q) 2076 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
  SD235023  Lithophragma tenellum G. K. Helmkamp, E. A. Helmkamp 2008-6-23 13739 Amador Northern Sierra Nevada Mountains: Dufrene Road, 1.5 miles south of its junction with CA-88, jct. between Mormon Emigrant Trail and Bear Valley Reservoir Road. 2021 Comment
  SD235044  Penstemon roezlii G. K. Helmkamp, E. A. Helmkamp 2008-6-23 13734 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. 2054 Comment
  SD235060  Viola pinetorum subsp. pinetorum G. K. Helmkamp, E. A. Helmkamp 2008-6-23 13722 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
  SD236110  Athyrium filix-femina var. cyclosorum G. K. Helmkamp 2008-6-17 13691 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
  SD236140  Deschampsia elongata G. K. Helmkamp 2008-6-17 13701 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
  SD236213  Madia citriodora G. K. Helmkamp, Elizabeth Helmkamp 2005-9-1 9838 Amador Northern Sierra Nevada Foothills: Climax road at Taves Road, 0.3 mi W of CA Highway 88 (ESE of Sacramento and CA. 13 miles NE of Jackson (Pine Grove 7.5'Q) 701 Comment
  SD236284  Acmispon nevadensis G. K. Helmkamp 2008-6-17 13678 Amador Northern Sierra Nevada Mountains: Bear River Reservoir Road, 0.1 mile south of its junction with CA-88. 1990 Comment
  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
  SD236326  Linum lewisii var. lewisii G. K. Helmkamp 2008-6-17 13673 Amador Northern Sierra Nevada Mountains: Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1990 Comment
  SD236346  Gayophytum humile G. K. Helmkamp 2008-6-17 13660 Amador Northern Sierra Nevada Mountains: Bear River Reservoir Road, 0.1 mile south of its junction with CA-88. 1990 Comment
  SD236349  Dicentra formosa G. K. Helmkamp 2008-6-17 13686 Amador Northern Sierra Nevada Mountains: Bear River Reservoir Road along the south side of Bear River Reservoir. 1797 Comment
  SD236393  Ceanothus cordulatus G. 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. 1990 Comment
  SD236399  Heteromeles arbutifolia G. K. Helmkamp, Elizabeth Helmkamp 2005-9-1 9839 Amador Northern Sierra Nevada Foothills: Climan road at Taves Road, 0.3 mi W of CA Highwayy 88 (ESE of Sacramento and ca. 13 miles NE of Jackson. 701 Comment
  SD236425  Erythranthe tilingii G. K. Helmkamp 2008-6-17 13680 Amador Northern Sierra Nevada Mountains: Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1990 Comment
  SD236436  Viola glabella G. K. Helmkamp 2008-6-17 13696 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
  SD237290  Sanicula bipinnatifida G. 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
  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
  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
  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
  SD237490  Juglans hindsii G. K. Helmkamp, E. A. Helmkamp 2009-10-11 15679 Amador Sacramento Valley/Sierra Nevada Foothills: Willow Creek Road just south of its junction with CA-16, 3.3 mi. SW (235a^z) of Plymouth (Irish Hill 7.5'Q) 192 Comment
  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
  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
  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
  SD239520  Briza minor G. K. Helmkamp, E. A. Helmkamp 2011-5-19 17295 Amador Lower Sierra Nevada Mountains Foothills: NW of Pardee Reservoir, 0.1 mil 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
  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
  SD239536  Muhlenbergia filiformis George K. Helmkamp, E. A. Helmkamp 2012-7-2 19309 Amador Northern Sierra Nevada Mountains: Bear River Road, 0.1 mile east of the south end of the dam of Lower Bear River Reservoir (Peddler Hill 7.5'Q) 1776 Comment
  SD239552  Ligusticum grayi George K. Helmkamp, E. A. Helmkamp 2012-7-14 19387 Amador Northern Sierra Nevada Mountains Foothills: edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake (Caples Lake 7.5'Q) 2317 Comment
  SD239592  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, E. A. Helmkamp 2011-5-19 17291 Amador Lower Sierra Nevada Foothills: NW of Pardee Reservoir, 0.1 mile east of Rock Creek Road on a gravel spur leading to houses, 4.65 mi. SW (220a^z) of Jackson. 280 Comment
  SD239613  Madia gracilis G. K. Helmkamp, E. A. Helmkamp 2011-8-6 17956 Amador Northern Sierra Nevada Mountains: Ellis Road, 2.1 miles south of its junction with CA-88 (Peddler Hill 7.5'Q) 1794 Comment
  SD239643  Hackelia floribunda George K. Helmkamp, E. A. Helmkamp 2012-7-14 19394 Amador Northern Sierra Nevada Mountains: Edge of Martin Meadow along CA-88 (Carson Pass Hwy). 2.2 miles north of Silver Lake (Caples Lake 7.5'Q) 2317 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
  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
  SD239723  Astragalus bolanderi George K. Helmkamp, E. A. Helmkamp 2012-7-14 19419 Amador Northern Sierra Nevada Mountains: Tragedy Spring, near Carson Pass Hwy, along Tragedy Spring Road 0.3 mile east of its junction with CCA-88 (Tragedy Spring 7.5'Q) 2421 Comment
  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
  SD239759  Trifolium glomeratum George K. Helmkamp, E. A. Helmkamp 2011-6-7 17470 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 1 mile southwest of its junction with Pine Gulch road, c. 1.3 mi. NE of Sutter Creek. 427 Comment
  SD239788  Phacelia hydrophylloides George K. Helmkamp, E. A. Helmkamp 2011-8-6 17993 Amador Northern Sierra Nevada Mountains: Ellis Road, 0.2 miles south of its junction with CA-88 (Peddler Hill 7.5'Q) 2009 Comment
  SD239825  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2011-8-6 17955 Amador Northern Sierra Nevada Mountains: Ellis Road, 2.1 miles south of its junction with CA-88 (Peddler Hill 7.5'Q) 1794 Comment
  SD239826  Clarkia williamsonii George K. Helmkamp, E. A. Helmkamp 2011-7-12 17697 Amador Northern Sierra Nevada Mountains Foothills: along CA-88, 1.4 miles southwest of Ridge Road, 1.3 miles NW (334a^z) of Clinton (Pine Grove 7.5'Q) 622 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
  SD239870  Allophyllum integrifolium G. K. Helmkamp, E. A. Helmkamp 2011-8-6 17952 Amador Northern Sierra Nevada Mountains: Ellis Road, 2.1 miles south of its junction with CA-88 (Peddler Hill 7.5'Q) 1794 Comment
  SD239900  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2011-5-19 17306 Amador Eastern edge San Joaquin Valley at start of Sierra Nevada foothills: Rock Creek Road, 2.8 miles northeast of the junction with Pardee Dam Road, 4.9 miles SW (221a^z) of Jackson (Jackson 7.5'Q) 305 Comment
  SD240785  Allium campanulatum George K. Helmkamp, E. A. Helmkamp 2012-7-2 19319 Amador Northern Sierra Nevada Mountains: National Forest Route 8N31, 0.2 mile northeast of its junction with CA-88/Carson Pass Hwy (Peddler Hill 7.5'Q) 1801 Comment
  SD240799  Platanthera sparsiflora George K. Helmkamp, E. A. Helmkamp 2012-7-14 19414 Amador Northern Sierra Nevada Mountains: Tragedy Spring, near Carson Pass Hwy, along Tragedy Spring Road 0.3 mile east of its junction with CA-88 (Tragedy Spring 7.5'Q) 2421 Comment
  SD240801  Agrostis variabilis George K. Helmkamp, E. A. Helmkamp 2012-7-14 19412 Amador Northern Sierra Nevada Mountains: Tregedy Spring, near Carson Pass Hwy, along Tragedy Spring Road 0.3 mile east of its junction with CA-88 (Tragedy Spring Road 7.5'Q) 2421 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
  SD241047  Nemophila menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2012-3-22 18636 Amador Northern Sierra Nevada Mountains Foothills: Bell Road, 0.2 mile east of its junction with CA-49 (Fiddletown 7.5'Q) 270 Comment
  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
  SD241057  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 (Caples Lake 7.5'Q) 2267 Comment
  SD241108  Clarkia biloba subsp. biloba George K. Helmkamp, E. A. Helmkamp 2011-6-22 17619 Amador Northern Sierra Nevada Mountains Foothills: along CA-49 at the north junction with Bell Road, 0.7 mile south of the El Dorado County line (Fiddletown 7.5'Q) 310 Comment
  SD241109  Clarkia biloba subsp. biloba George K. Helmkamp, E. A. Helmkamp 2011-6-17 17598 Amador Northern Sierra Nevada Mountains Foothills: along CA-26, 0.1 mile west pf the Calaveras Co. line at the bridge over the North Fork Mokelumne River, 1.6 me. SE (115a^z) of Pioneer (West Point 7.5'Q) 651 Comment
  SD241120  Eschscholzia lobbii George K. Helmkamp, E. A. Helmkamp 2010-4-3 15799 Amador Low foothills northern Sierra Nevada Mountains: 4.35 mi. NE (31a^z) of Ione, junction of Tonzi Road and CA-124/East Plymouth Hwy (Irish Hill 7.5'Q) 180 Comment
  SD241156  Montia parvifolia George K. Helmkamp, E. A. Helmkamp 2012-7-2 19298 Amador Northern Sierra Nevada Mountains: Bear River Road at the south end of the dam of Lower Bear River Reservoir (Peddler Hill 7.5'Q) 1773 Comment
  SD241806  Croton setiger G. K. Helmkamp, E. A. Helmkamp 2009-9-22 15648 Amador Sierra Nevada Mountains Foothills: junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines (Fiddletown 7.5'Q) 750 Comment
  SD243047  Platanthera leucostachys George K. Helmkamp, E. A. Helmkamp 2010-9-1 16910 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
  SD243061  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
  SD243099  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2010-9-1 16874 Amador Northern Sierra Nevada Mountains Foothills:along CA-88, 2.6 miles southwest of its junction with Mormon Emigrant Trail, c. 2.75 mile NNW of Upper Bear River Reservoir (Bear River Reservoir 7.5'Q) 2162 Comment
  SD243100  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2012-7-14 19395 Amador Northern Sierra Nevada Mountains: edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake (Caples Lake 7.5'Q) 2317 Comment
  SD243173  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2010-9-1 16915 Amador Northern Sierra Nevada Mountains: Dufrene Road 0.7 mile east of its junction with CA-88, north of Lower Bear River Reservoir. Spring area. 2044 Comment
  SD243183  Eriogonum roseum George K. Helmkamp, E. A. Helmkamp 2011-9-16 18300 Amador Northern Sierra Nevada Mountains Foothills: along CA-26 (Red Corral Rd.), 2.2 miles north of the crossing over North Fork Mokelumne River, 1 mile SSE (159a^z) of Pioneer. 762 Comment
  SD243189  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2011-3-12 17081 Amador Northeastern San Joaquin Valley: along CA-88, 0.8 mile northeast of the San Joaquin County line, c. 3 miles north of Camache Reservoir. 81 Comment
  SD244065  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2012-6-26 19286 Amador Northern Sierra Nevada Mountains: Panther Creek Road, 8.0 miles south of its junction with CA-88, along East Panther Creek. 1345 Comment
  SD244093  Cryptantha affinis George K. Helmkamp, E. A. Helmkamp 2011-8-6 18015 Amador Northern Sierra Nevada Mountains: along dirt road 0.3 mile east of Bear River Reservoir Road, from a point 0.7 mile south of CA-88 (Peddler Hill 7.5'Q) 1986 Comment
  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
  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
  SD244243  Castilleja applegatei subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2012-6-26 19275 Amador Northern Sierra Nevada Mountains: Panther Creek Road, 4.1 miles south of its junction with CA-88, south of Highway 88/Carson Pass Highway, and west of Lower Bear Resevoir (Peddler Hill 7.5') 1518 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
  SD247268  Allium campanulatum George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21012 Amador Northern Sierra Nevada Mountains: Passe Road at the southern end of Silver Lake, off ighway 88/Carson Pass Hwy (Tragedy Soring 7.5'Q) 2191 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
  SD247306  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2007-8-16 12755 Amador Northern Sierra Nevada Mountains: along CA-88, 3.5 miles south of its junction with Morman Emigrant Trail. 2146 Comment
  SD247310  Symphyotrichum spathulatum var. spathulatum George K. Helmkamp, E. A. Helmkamp 2013-7-10 21016 Amador Northern Sierra Nevada Mountains: Plasse Road at the southern end of Silver Lake, off Highway 88/Carson Pass Highway. 2191 Comment
  SD247318  Chondrilla juncea George K. Helmkamp, E. A. Helmkamp 2013-8-2 22074 Amador Northern Sierra Nevada Mountains Foothills: southeast of Pioneer along CA-26, north side of North Fork Mokelumne River. 627 Comment
  SD247319  Ericameria nauseosa var. speciosa George K. Helmkamp, E. A. Helmkamp 2013-9-7 22278 A Amador Northern Sierra Nevada Mountains: Tragedy Spring Road, 0.17 mile above junction with Highway 88/Carson Pass Road at the entrance path to the spring. 2425 Comment
  SD247323  Ericameria arborescens George K. Helmkamp, E. A. Helmkamp 2013-9-13 22295 Amador Northern Sierra Nevada Mountains Foothills: Fiddletown Road, 0.4 mile west of its junction with Shake Ridge Road. 977 Comment
  SD247333  Lessingia leptoclada George K. Helmkamp, E. A. Helmkamp 2013-9-13 22293 Amador Northern Sierra Nevada Mountains Foothills: Fiddletown Road, 0.4 mile west of its junction with Shake Ridge Road. 977 Comment
  SD247336  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2013-9-7 22284 Amador Northern Sierra Nevada Mountains: on the south side of CA-88/Carson Pass Highway, about 0.3 mile west of the junction with Bear River Reservoir Road. 1933 Comment
  SD247362  Cryptantha torreyana George K. Helmkamp, Elizabeth Helmkamp 2013-7-20 21004 Amador Northern Sierra Nevada Mountains; Plasse Road toward Silver Lake, 0.3 mile south of CA-88/Carson Pass Highway. 2276 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
  SD247437  Vicia villosa subsp. villosa George Helmkamp, Elizabeth Helmkamp 2013-8-11 22161 Amador Sierra Nevada Mountains Foothills: along CA-49, just northeast of its juncction with Randolph Court, c. 1 km S of Plymouth (Amador City 7.5'Q) 326 Comment
  SD247448  Salvia sonomensis George K. Helmkamp, E. A. Helmkamp 2009-3-26 14482 Amador Sierra Nevada Mountains Foothills: South of Ione, CA-88 between Buena Vista Road and South Church St (Ione 7.5'Q) 124 Comment
  SD247468  Gayophytum ramosissimum George K. Helmkamp, E. A. Helmkamp 2013-9-7 22280 Amador Northern Sierra Nevada Mountains: on the south side of CA-88/Carson Pass Highway, about 0.3 mile west of the junction with Bear River Reservoir Road. 1933 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
  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
  SD247506  Erythranthe cardinalis George K. Helmkamp, Elizabeth A. Helmkamp 2013-8-2 22071 Amador Northern Sierra Nevada Mountains Foothills: SE of Pioneer along CA-26, north side of North Fork Mokelumne River (Weset Point 7.5'Q) 627 Comment
  SD247509  Penstemon roezlii George K. Helmkamp, Elizabeth A. Helmkamp 2013-7-10 21003 Amador Northern Sierra Nevada Mountains: Plasse Road toward Silver Lake, 0.3 mile south of CA-88/Carson Pass Hwy (Tragedy Spring 7.5'Q) 2276 Comment
  SD247513  Verbascum blattaria George K. Helmkamp, Elizabeth Helmkamp 2013-8-2 22070 Amador Northern Sierra Nevada Mountains Foothills: SE of Pioneer along CA-26, north side of North Fork Mokelumne River (West Point 7.5'Q) 627 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
  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
  SD248325  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
  SD248347  Alnus rhombifolia George K. Helmkamp, Elizabeth Helmkamp 2013-11-11 22484 Amador Sierra Nevada Mountains Foothills: Sutter Creek-Volcano Road, 4.6 miles east of CA-49 in town of Sutter Creek, picnic area along Sutter Creek. 420 Comment
  SD248418  Trifolium hirtum George K. Helmkamp, Mary Alice Barnes 2013-4-24 20384 Amador Northern Sierra Nevada Mountains Foothills: Along CA-26, 2.8 miles southeast of its junction with CA-88. 904 Comment
  SD248434  Quercus chrysolepis George K. Helmkamp, E. A. Helmkamp 2013-11-11 22483 Amador Sierra Nevada Mountains Foothills: Sutter Creek-Volcano Road, 4.6 miles east of CA-49 in town of Sutter Creek. 420 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
  SD253335  Eragrostis mexicana subsp. virescens George K Helmkamp, Elizabeth Helmkamp 2013-10-22 22451 Amador Sierra Nevada Moutains Foothills: Shanendoah Road, ner Somon Creek, 6.8 miles NE of its juncton with CA-49 in Plymouth (Fiddletown 7.5'Q) 562 Comment
  SD253375  Centaurea solstitialis George K. Helmkamp, Elizabeth Helmkamp 2013-10-18 22433 Amador Sierra Nevada Mountains Foothills: Plymouth, at the junction Mineral Street and Mill Street, near Highway CA-49. 328 Comment
  SD254634  Nemophila menziesii var. menziesii George K. Helmkamp, Elizabeth Helmkamp 2013-3-26 20232 Amador Northern Sierra Nevada Foothills: Along CA-49, 1.5 miles south of its junction with Sand Ridge Road, between Plymouth and El Dorado (Fiddletown 7.5'Q) 262 Comment
  SD255688  Raphanus raphanistrum George K. Helmkamp, Mary Alice Barnes 2013-5-13 20568 Amador Sierra Nevada Mountains Foothills: along E-16/Shenandoah Road, 3.6 road miles south of River Pines, 4.15 air miles NE (39a^z) of Plymouth (Fiddletown 7.5'Q) 516 Comment
  SD255752  Trifolium ciliolatum George K. Helmkamp, Mary Alice Barnes 2013-5-13 20601 Amador Sierra Nevada Mountains; Shake Ridge Road, 16.7 miles northeast of its junction with E-16 via Fiddletown Road. 982 Comment
  SD257269  Lupinus albicaulis George K. Helmkamp, Amy Barnes 2013-5-13 20603 Amador Sierra Nevada Mountains: Shake Ridge road, 4.0 miiles northeast of the junction with Fiddletown Road, just west of Dew Drop Dr. (Omo Ranch 7.5'Q) 1209 Comment
  SD257311  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, Mary Alice Barnes 2013-5-13 20562 Amador Sierra Nevada Mountains Foothills: along E-16/Shenandoah Rd., 3.6 road miles south of River Pines, 4.15 air miles NE (39a^z) of Plymouth (Fiddletown 7.5'Q) 516 Comment
  SD257320  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 (West Point 7.5'Q) 901 Comment
  SD260172  Baccharis pilularis George K. Helmkamp, Elizabeth Helmkamp 2013-10-18 22448 Amador Sierra Nevada Mountains Foothills: along Shenandoah Road, 0.2 miles east of CA-49 in Plymouth. 363 Comment
  SD260184  Leontodon saxatilis subsp. saxatilis George K. Helmkamp, Mary Alice Barnes 2013-5-17 20611 Amador Northern Sierra Nevada Mountains Foothills: Stony Creek Road, 6.8 miles southwest of Jackson, 0.57 mi. NE (20a^z) of Chrome Mountain. 302 Comment
  SD260185  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. 940 Comment
  SD260225  Cryptantha simulans George K. Helmkamp, E. A. Helmkamp 2012-6-6 19128 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 1.1 miles west of Cooks Station. 1438 Comment
  SD260262  Melissa officinalis George K. Helmkamp, E. A. Helmkamp 2012-10-5 19976 Amador Northern Sierra Nevada Mountains Foothills: beside Sutter Creek along the Sutter Creek-Volcano Road, 0.6 mile southwest of Meadowlark Lane (Pine Grove 7.5'Q) 634 Comment
  SD260283  Diplacus X australis George K. Helmkamp, Mary Alice Barnes 2013-5-17 20612 Amador Northern Sierra Nevada Mountains Foothills: Stony Creek Road, 6.8 miles southwest of Jackson, 0.57 mi NE (20a^z) of Chrome Mountain. 302 Comment
  SD260289  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2012-6-6 19136 Amador Northern Sierra Nevada Mountains: Panther Creek Road, 1.5 miles south of its junction with CA-88, 5.0 mi. west (267a^z) of Bear River Reservoir dam. 1590 Comment
  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
  SD260900  Centromadia 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 juncton with Fiddletown Road at Plymouth (Amador City 7.5'Q) 299 Comment
  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
  SEINET10237197  Achnatherum lemmonii George K. Helmkamp, Elizabeth Helmkamp 2013-1 21015 Amador Northern Sierra Nevada Mountains: Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2190 Comment
  SEINET10876081  Stipa lemmonii George K. Helmkamp, E. A. Helmkamp 2013-7-10 Helmkamp 21015 Amador Northern Sierra Nevada Mountains; Plasse Road at the southern end of Silver Lake, off Highway 88/Carson Pass Highway (Tragedy Spring 7.5' Quad.). 2191 Comment
  SEINET11261462  Gilia tricolor subsp. diffusa George Helmkamp, Amy Barnes 2014-5-8 22835 Amador Sacramento Valley/Sierra Nevada Foothills on Tonzi Road, 0.4 miles E of the junction with CA-124. 4.5 air miles NE (35 degrees) of Ione.; 0 188 Comment
  SEINET11261543  Collinsia heterophylla George Helmkamp, Amy Barnes 2014-5-8 22860 Amador Sierra Nevada Mountains Foothills on Sutter Creek-Volcano Road, 0.2 miles east of old CA-49 in town of Sutter Creek.; 0 375 Comment
  SEINET11261546  Triteleia hyacinthina George Helmkamp, Amy Barnes 2014-5-8 22853 Amador Sacramento Valley/Sierra Nevada Foothills along CA-104, 1.2 miles SE of Ione.; 0 146 Comment
  SEINET11261548  Clarkia biloba George Helmkamp, Amy Barnes 2014-5-8 22855 Amador Sierra Nevada Mountains Foothills on Sutter Creek-Volcano Road, 0.2 miles east of old CA-49 in town of Sutter Creek.; 0 375 Comment
  SEINET11262586  Gilia tricolor subsp. diffusa George Helmkamp, E. A. Helmkamp 2010-4-3 15795 Amador Low foothills northern Sierra Nevada Mountains: 4.35 mi. NE (311/4) of Ione, junction of Tonzi Road and CA-124/East Plymouth Hwy (Irish Hill 7.5' Q.).; 0 180 Comment
  SEINET11262589  Gilia capillaris George Helmkamp, E. A. Helmkamp 2010-9-1 16883 Amador Northern Sierra Nevada Mountains: along CA-88, 2.6 miles southwest of its junction with Mormon Emigrant Trail, c. 2.75 mi NNW of Upper Bear River Reservoir (Bear River Reservoir 7.5' Q.).; 0 2162 Comment
  SEINET11262686  Linum bienne George Helmkamp, E. A. Helmkamp 2011-6-7 17469 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 1 mile southwest of its junction with Pine Gulch Road, c. 1.3 mi NE of Sutter Creek. (Amador City 7.5' Q.).; 0 130 Comment
  SEINET11262688  Erodium moschatum George Helmkamp, E. A. Helmkamp 2011-6-22 17616 Amador Northern Sierra Nevada Mountains Foothills: Sutter-Ione Road, 2.7 miles West of it junction with CA-49, 2.9 mi. SW (2211/4) of Amador City.; 0 308 Comment
  SEINET11265847  Quercus chrysolepis George Helmkamp, E. A. Helmkamp 2010-10-1 16986 Amador Northern Sierra Nevada Mountains Foothills: Sutter Creek Rd. toward Volcano, 4.2 miles east of CA-49 in Sutter Creek (Pine Grove 7.5' Q.); 0 421 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
  SEINET11265858  Clarkia biloba subsp. biloba George Helmkamp, E. A. Helmkamp 2011-6-22 17619 Amador Northern Sierra Nevada Mountains Foothills: along CA-49 at the north unction with Bell Road, 0.7 miles south of the El Dorado County line (Fiddletown 7.5' Q.); 0 311 Comment
  SEINET11265992  Gilia leptalea subsp. leptalea George Helmkamp, E. A. Helmkamp 2011-8-6 17959 Amador Northern Sierra Nevada Mountains: Ellis Road, 2.1 miles south of its junction with CA-88 (Peddler Hill 7.5' Q.); 0 1794 Comment
  SEINET11265994  Linanthus ciliatus George 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 (Peddler Hill 7.5' Q.); 0 1794 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
  SEINET11266058  Gilia capitata subsp. mediomontana George Helmkamp, E. A. Helmkamp 2012-6-26 19272 Amador Northern Sierra Nevada Mountains: Panther Creek Road, 0.9 mile south of its junction with CA-88/Carson Pass Hwy. and W of Lower Bear Reservoir (Peddler Hill 7.5 Q.); 0 1617 Comment
  SEINET12814380  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2006-1 11474 Amador Northern Sierra Nevada Mountains Foothills; along Hwy CA 49, 1.1 mi S of Plymouth. 326 Comment
  SEINET13203092 Image available Lupinus bicolor George K. Helmkamp, Mary Alice Barnes 2013-1 20563 Amador Sierra Nevada Mountains Foothills: along E-16/Shenandoah Rd., 3.6 miles south of River Pines, 4.15 air miles NE (39 deg. ) of Plymouth (Fiddletown 7.5' Q.) 517 Comment
  SEINET13203093 Image available Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, Mary Alice Barnes 2013-1 20562 Amador Sierra Nevada Mountains Foothills: along E-16/Shenandoah Rd., 3.6 miles south of River Pines, 4.15 air miles NE (39 deg. ) of Plymouth (Fiddletown 7.5' Q.) 517 Comment
  SEINET13203102 Image available Lupinus albicaulis George K. Helmkamp, Mary Alice Barnes 2013-1 20603 Amador Sierra Nevada Mountains: Shake Ridge road, 4.0 miles northeast of the junction with Fiddletown Road, just west of Dew Drop Dr. (Omo Ranch 7.5' Q.) 1209 Comment
  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
  SEINET13203113 Image available Leersia oryzoides George K. Helmkamp, E. A. Helmkamp 2012-1 19761 Amador Northern Sierra Nevada Mountains Foothills: along CA-49, 1.2 miles north of the junction with Fiddletown Road at Plymouth (Amador City 7.5' Q.) 299 Comment
  SEINET13203143 Image available Lupinus nanus George K. Helmkamp, Mary Alice Barnes 2013-1 20589 Amador Sierra Nevada Mountains: Fiddletown Road 12.7 miles northesat of its junction with Shake Ridge Rd. (Omo Ranch 7.5' Q.) 872 Comment
  SEINET13203163 Image available Eschscholzia californica George K. Helmkamp, Mary Alice Barnes 2013-1 20564 Amador Sierra Nevada Mountains Foothills: along E-16/Shenandoah Rd., 3.6 miles south of River Pines, 4.15 air miles NE (39 deg. ) of Plymouth (Fiddletown 7.5' Q.) 517 Comment
  SEINET13262613  Elymus elymoides George K. Helmkamp, Mary Alice Barnes 2013-1 20618 Amador Stony Creek Road, 8.7 miles southwest of Jackson, 0.58 mi. NNE (07 deg. ) of Chrome Mountain 308 Comment
  SEINET13262878 Image available Penstemon heterophyllus subsp. purdyi George K. Helmkamp 2014-1 22937 Amador along CA-26, 0.8 mile west of the bridge over the North Fork Mokelumne River 66 Comment
  SEINET13276780 Image available Pinus contorta subsp. murrayana George K. Helmkamp, Amy Barnes 2014-1 23150 Amador Northern Sierra Nevada Mountains: Plasse Road at the south end of Silver Lake and 0.1 mile north of Plasse's Resort (Tragedy Spring 7.5' Q.) 2214 Comment
  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
  SEINET13276822 Image available Mimulus aurantiacus George K. Helmkamp, Mary Alice Barnes 2013-1 20612 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
  SEINET13297587 Image available Amsinckia intermedia George K. Helmkamp 2014-1 22562 Amador Eastern Sacramento Valley/Sierra Nevada Foothills: along Hwy E-16, 0.6 mile southwest of the junction with CA-49, c. 2.5 mi southwest of Plymouth (Irish Hill 7.5' Q.) 250 Comment
  SEINET13297590 Image available Centaurea solstitialis George K. Helmkamp, Elizabeth Helmkamp 2013-1 22433 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
  SEINET13297591 Image available Sorghum halepense George K. Helmkamp, Elizabeth Helmkamp 2013-1 22438 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
  SEINET13297593 Image available Leptochloa fascicularis George K. Helmkamp, Elizabeth Helmkamp 2013-1 22450 Amador Sierra Nevada Mountains Foothills: Shenandoah Road, near Sobon Creek, 6.8 miles northeast of its junction with CA-49 in Plymouth (Fiddletown 7.5' Q.) 562 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
  SEINET1908681  Madia gracilis G. K Helmkamp 2008-1 13672 Amador Northern Sierra Nevada Mountains: Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 (Peddler Hill 7.5') 1990 Comment
  SEINET1908683  Fabaceae George K. Helmkamp 2008-1 13678 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
  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
  SEINET1908692  Viola glabella George K. Helmkamp 2008-1 13696 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 (Bear River Reservoir 7.5' Q). 1814 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
  SEINET2440591  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. (Carbondale 7.5 Q.).; 0 99 Comment
  SEINET2441266  Gilia leptalea George K. Helmkamp, E. A. Helmkamp 2007-7-17 12518 Amador Northern Sierra Nevada Mountains: along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake. (Caples Lake 7.5' Q.). 2317 Comment
  SEINET2441334  Gilia tricolor subsp. diffusa George K. Helmkamp, E. A. Helmkamp 2007-4-23 11808 Amador Foothills, Northern Sierra Nevada Mountains: junction of Tonzi Road and CA-124 about 7 miles north of Ione (Irish Hill 7.5' Q.). 229 Comment
  SEINET2441343  Holocarpha virgata subsp. virgata George K. Helmkamp, E. A. Helmkamp 2009-8-24 15523 Amador Sierra Nevada Mountains Foothills: along CA-49 at the junction with Fiddletown Road in the city of Plymouth (Amador City 7.5' Q.). 314 Comment
  SEINET2441344  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2009-8-6 15404 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
  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
  SEINET2441346  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2009-8-6 15397 Amador Sierra Nevada Mountains Foothills: along Hwy CA-88, 3.1 miles northeast of CA-49 in Jackson (Mokelumne Hill 7.5' Q.).; 0 424 Comment
  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
  SEINET2442643  Madia elegans subsp. densifolia George K. Helmkamp, E. A. Helmkamp 2009-8-6 15398 Amador Sierra Nevada Mountains Foothills: along Hwy CA-88 3.1 miles northeast of CA-49 in Jackson (Mokelumne Hill 7.5' Q.). 424 Comment
  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
  SEINET2472422 Image available Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2008-1 13632 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
  SEINET2473434 Image available Panicum capillare George K. Helmkamp, E. A. Helmkamp 2009-1 15647 Amador Sierra Nevada Mountains Foothills; junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 Comment
  SEINET2473441 Image available Echinochloa crus-galli George K. Helmkamp, E. A. Helmkamp 2007-1 12819 Amador Northern Sierra Nevada Mountains Foothills; along Hwy CA-49 at the south end of Plymouth 323 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
  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
  SEINET2473483 Image available Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2007-1 12816 Amador Northern Sierra Nevada Mountains Foothills; along Hwy CA-49 at the south end of Plymouth 320 Comment
  SEINET255562  Claytonia parviflora subsp. parviflora G. K. Helmkamp, E. A. Helmkamp 2006-3-19 10086 Amador Northern Sierra Nevada Foothills: Along CA Highway 49 just S. of Plymouth (Anador City) 320 Comment
  SEINET3238868 Image available Quercus chrysolepis George K. Helmkamp, E. A. Helmkamp 2008-5-4 13384 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
  SEINET3238869 Image available Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2008-5-4 13385 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
  SEINET3238886 Image available Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2008-3-12 13176 Amador Sierra Nevada Mountains Foothills; along Tonzi Road 0.3 miles west of its junction with CA-49, west of Sutter Creek 360 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
  SEINET3238898 Image available Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2008-3-12 13148 Amador Foothills, northern Sierra Nevada Mountains: 0.2 mile east of the junction of Bell Road and CA-49 at Enterprise; junction of Plymouth and Pigeon Creeks. 259 Comment
  SEINET3238909 Image available Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2008-5-4 13393 Amador Sierra Nevada Mountains Foothills; along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir. 774 Comment
  SEINET3238911 Image available Potentilla glandulosa George K. Helmkamp, E. A. Helmkamp 2008-5-4 13390 Amador Sierra Nevada Mountains Foothills; along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir. 774 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
  SEINET3245633  Chenopodium berlandieri G. K. Helmkamp, E. A. Helmkamp 2009-1 15644 Amador Sierra Nevada Mountain Foothills: junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines (Fiddletown 7.5') 750 Comment
  SEINET3245638  Amaranthaceae G. K. Helmkamp, E. A. Helmkamp 2008-1 14303 Amador Northern Sierra Nevada Mountains Foothills: along CA-49, 0.2 mile south of Plymouth (Amador City 7.5') 314 Comment
  SEINET3245639  Verbascum thapsus G. K. Helmkamp, E. A. Helmkamp 2008-1 14305 Amador Northern Sierra Nevada Mountains Foothills: junction CA-49 and Fiddletown Road at the north end, but within the city limits of Plymouth (Amador City 7.5') 311 Comment
  SEINET3245758  Polemoniaceae G. K. Helmkamp, E. A. Helmkamp 2009-1 14477 Amador San Joaquin Valley: along CA-88, 0.4 mile northeast of the San Joaquin Co. line (Goose Creek 7.5') 81 Comment
  SEINET3245872  Hypericum perforatum G. K. Helmkamp, E. A. Helmkamp 2009-1 15619 Amador Northern Sierra Nevada Mountains: Panther Creek Road, 0.2 mile south of its junction with CA-88, 5.2 air mi. west of Bear River Resevoir. 1622 Comment
  SEINET3245940  Cryptantha torreyana G. K. Helmkamp, E. A. Helmkamp 2010-1 16510 Amador Northern Sierra Nevada Mountains: between the west shore of Silver Lake and CA-88; lakeside rest stop area (Tragedy Spring 7.5') 2234 Comment
  SEINET3245943  Viola pinetorum G. K. Helmkamp, E. A. Helmkamp 2010-1 16514 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
  SEINET3245962  Delphinium nuttallianum G. K. Helmkamp, E. A. Helmkamp 2010-1 16521 Amador Northern Sierra Nevada Mountains: between the west shore of Silver Lake and CA-88; lakeside rest stop area (Tragedt Spring 7.5') 2234 Comment
  SEINET3245963  Allophyllum integrifolium G. K. Helmkamp, E. A. Helmkamp 2010-1 16525 Amador Northern Sierra Nevada Mountains: between the west shore of Silver Lake and CA-99 lakeside rest stop area (Tragedy Spring 7.5') 2234 Comment
  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
  SEINET3245965  Ribes cereum G. K. Helmkamp, E. A. Helmkamp 2010-1 16507 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
  SEINET3246021  Symphyotrichum foliaceum var. parryi G. K. Helmkamp, E. A. Helmkamp 2007-1 12743 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail. 2172 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
  SEINET3246137  Fabaceae G. K. Helmkamp, E. A. Helmkamp 2007-1 11746 Amador Foothills, Northern Sierra Nevada Mountains: along CA-49, 0.2 mile west of Amador City 309 Comment
  SEINET3246139  Eriogonum nudum var. oblongifolium G. K. Helmkamp, E. A. Helmkamp 2008-1 14306 Amador Northern Sierra Nevada Mountains Foothills: along CA-124 at the north noundary of Ione 91 Comment
  SEINET3246145  Phacelia egena G. K. Helmkamp, E. A. Helmkamp 2010-1 16530 Amador Northern Sierra Nevada Mountains: between the west shore of Silver Lake and CA-88; lakeside rest stop area. 2234 Comment
  SEINET3257987 Image available Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2007-9-4 12893 Amador Northern Sierra Nevada Mountains; along CA-88 at Mile-49, 3.1 miles east of Hams Station. 1860 Comment
  SEINET3257997 Image available Castilleja applegatei subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2008-5-4 13394 Amador Sierra Nevada Mountains Foothills; along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir. 774 Comment
  SEINET3257999 Image available Cystopteris fragilis George K. Helmkamp, E. A. Helmkamp 2008-5-4 13388 Amador Sierra Nevada Mountains Foothills; along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir. 774 Comment
  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
  SEINET3258007 Image available Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2008-3-12 13152 Amador Sierra Nevada Mountains Foothills; Middle Bar Road, 3.2 miles south of its junction with CA-49 at Scottsville. 229 Comment
  SEINET3258008 Image available Salix lasiolepis George K. Helmkamp, E. A. Helmkamp 2008-3-12 13150 Amador Foothills, northern Sierra Nevada Mountains; 0.2 mile east of the junction of Bell Road and CA-49 at Enterprise; junction of Plymouth and Pigeon Creeks. 259 Comment
  SEINET3258014 Image available Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2008-3-12 13153 Amador Sierra Nevada Mountains Foothills; Middle Bar Road, 3.2 miles south of its junction with CA-49 at Scottsville. 229 Comment
  SEINET3258015 Image available Blennosperma nanum var. nanum George K. Helmkamp, E. A. Helmkamp 2008-3-12 13151 Amador Sierra Nevada Mountains Foothills; along CA-49 at the south end of Plymouth. 319 Comment
  SEINET3258016 Image available Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2008-5-4 13376 Amador Sierra Nevada Mountains; Barton, c. 15 miles (air) NE of Jackson, at the junction of Tiger Creek Road and Black Prince Road, 0.6 mil east of the junction of Tiger Creek Road with CA-88. 936 Comment
  SEINET3258017 Image available 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
  SEINET3260068 Image available Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2008-10-30 14306 Amador Northern Sierra Nevada Mountains Foothills: along CA-124 at the north noundary of Ione. 90 Comment
  SEINET3271543 Image available Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-4-5 11741 Amador Foothills, Northern Sierra Nevada Mountains; along CA-49, 0.2 mile west of Amador City 309 Comment
  SEINET3271546 Image available Festuca myuros var. hirsuta George K. Helmkamp, E. A. Helmkamp 2007-4-5 11745 Amador Foothills, Northern Sierra Nevada Mountains; along CA-49, 0.2 mile west of Amador City 309 Comment
  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
  SEINET3271578 Image available Stipa californica George K. Helmkamp, E. A. Helmkamp 2007-4-23 11799 Amador Foothills, Northern Sierra Nevada Mountains; junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  SEINET3271592 Image available Erythranthe guttata George K. Helmkamp, E. A. Helmkamp 2007-4-26 11823 Amador Foothills, northern Sierra Nevada Mountains; along Calif. E-16, 0.7 mile south of River Pines 610 Comment
  SEINET3271593 Image available Trifolium dubium George K. Helmkamp, E. A. Helmkamp 2007-4-26 11822 Amador Foothills, northern Sierra Nevada Mountains; along Calif. E-16, 0.7 mile south of River Pines 610 Comment
  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
  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
  SEINET3411993 Image available Prunus cerasifera George K. Helmkamp, E. A. Helmkamp 2012-3-22 18640 Amador Northern foothills, Sierra Nevada Mountains: Bell Road, 0.2 mile E of its junction with CA-49 270 Comment
  SEINET3821591 Image available Elymus elymoides subsp. californicus George K. Helmkamp, E. A. Helmkamp 2012-1 19370 Amador Northern Sierra Nevada Mountains, Shot Rock Vista Rest Stop along CA-88 (Carson Pass Hwy), 1 mile west of the junction with Mormon Emigrant Trail (Tragedy Spring 7.5' Q 2329 Comment
  SEINET3821620 Image available Parentucellia viscosa George K. Helmkamp, E. A. Helmkamp 2011-6-22 17614 Amador Northern Sierra Nevada Mountains Foothills, Sutter-Ione Road, 2.2 miles west of its junction with CA-49 (Amador City 7.5' Q) 312 Comment
  SEINET3821624 Image available Vicia villosa subsp. villosa George K. Helmkamp, E. A. Helmkamp 2010-3-26 15772 Amador Eastern San Joaquin Valley/ Sierra Nevada Foothills, low foothills along CA-16, 6.8 miles west of Plymouth near Forest Home Rd. (Irish Hill 7.5' Q) 177 Comment
  SEINET3821625 Image available Avena fatua George K. Helmkamp, E. A. Helmkamp 2010-3-26 15773 Amador Eastern San Joaquin Valley/ Sierra Nevada Foothills, low foothills along CA-16, 6.8 miles west of Plymouth near Forest Home Rd. (Irish Hill 7.5' Q) 177 Comment
  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
  SEINET3821905 Image available Hordeum brachyantherum subsp. brachyantherum George K. Helmkamp, E. A. Helmkamp 2012-7-14 19408 Amador Northern Sierra Nevada Mountains, between CA-88 and the El Dorado County line, 0.9 mile north of Silver Lake along CA-88 (Caples Lake 7.5' Q) 2266 Comment
  SEINET3821906 Image available Poa leptocoma subsp. leptocoma George K. Helmkamp, E. A. Helmkamp 2012-7-14 19388 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake (Caples Lake 7.5' Q) 2316 Comment
  SEINET3823229 Image available Melica subulata George K. Helmkamp, E. A. Helmkamp 2012-7-14 19372 Amador Northern Sierra Nevada Mountains, Shot Rock Vista Rest Stop along CA-88 (Carson Pass Hwy), 1 mile west of the junction with Mormon Emigrant Trail (Tragedy Spring 7.5' Q 2329 Comment
  SEINET3828499  Quercus chrysolepis George K. Helmkamp, E. A. Helmkamp 2010-1 16988 A Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road, 0.8 mile southwest of its junction with Fiddletown Road, 3.5 miles NE (32 degrees) of Volcano. (West Point) 975 Comment
  SEINET3828500  Lonicera hispidula var. vacillans George K. Helmkamp 2010-1 16989 Amador Northern Sierra nevada Mountains Foothills: Shake Ridge Road, 0.8 mile southwest of its junction with Fiddletown Road, 3.5 miles NE (32 degrees) of Volcano (West Point) 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
  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
  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
  SEINET3828545  Quercus lobata George K. Helmkamp, E. A. Helmkamp 2012-1 18801 Amador Foothills, northern Sierra Nevada Mountains: Fiddletown Road, 0.2 mile east of its junction with County Road E-16, c. 0.7 mi. E of Hwy 49 at Plymouth (Amador City 7.5') 1000 Comment
  SEINET3828558  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2012-1 18789 Amador Northern Sierra Nevada Mountains Foothills: Bunker Hill Road at the junction with N. Amador Road, c. 0.5 mi N of Amador City. 7.5 299 Comment
  SEINET3828561  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2012-1 18798 Amador Foothills, northern Sierra Nevada Mountains: Fiddletown Road, 0.2 mile east of its junction with County Road E-16, c. 0.7 mi. E of Hwy 49 at Plymouth (Amador City 7.5') 1000 Comment
  SEINET3837933  Festuca dertonensis George K. Helmkamp, E. A. Helmkamp 2010-3-26 157769 Amador Eastern San Joaquin Valley/ Sierra Nevada Foothills: low foothills along CA-16, 6.8 miles W of Plymouth near Forest Home Rd. (Irish Hill) 177 Comment
  SEINET3856752 Image available Erodium moschatum George K. Helmkamp, E. A. Helmkamp 2011-6-2 17616 Amador Northern Sierra Nevada Mountains Foothills: Sutter-Ione Road, 2.7 miles W of its junction with CA-49, 2.9 mi SW of Amador City 308 Comment
  SEINET3856778 Image available Pentagramma triangularis subsp. triangularis George K. Helmkamp, E. A. Helmkamp 2011-6-7 17466 Amador Northern Sierra Nevada Mountains Foothills: Shake Ridge Road (Gopher Flat Rd.), 0.2 miles SW of its junction with Pine Gulch Road, 2.2 mi NE of Sutter Creek 465 Comment
  SEINET3856785 Image available Festuca myuros George K. Helmkamp, E. A. Helmkamp 2011-6-7 17465 Amador Northern Sierra Nevada Mountains Foothills: Pine Gulch Road, 0.5 mile N of its intersection with Sutter Creek Road 457 Comment
  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
  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
  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
  SEINET3888628  Triteleia ixioides subsp. anilina George K. Helmkamp, E. A. Helmkamp 2008-6-9 13627 Amador Northern Sierra Nevada Mountains: Panther Creek Road, ca 0.1 mile south of its junction with CA-88, jct is 4.0 miles east of Cook's Station (Peddler Hill 7.5' Q.).; 0 504 Comment
  SEINET3896968  Carex abrupta George K. Helmkamp, E. A. Helmkamp 2008-6-23 13742 Amador Northern Sierra Nevada Mountains: Dufrene Road, 1.5 miles south of its junction with CA-88 jct. between Mormon Emigrant Trail and Bear Valley Reservoir Road ( Bear River Reservoir 7.5'Q).; 0 2021 Comment
  SEINET3908427  Carex subfusca George K. Helmkamp, E. A. Helmkamp 2008-6-9 13631 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 (Peddler Hill 7.5' Q.).; 0 1000 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
  SEINET3927275  Deschampsia cespitosa George K. Helmkamp, E. A. Helmkamp 2008-7-16 13846 Amador Northern Sierra Nevada Mountains: along CA-88 at Kirkwood.; 0 2348 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
  SEINET4137606 Image available Agrostis variabilis George K. Helmkamp, E. A. Helmkamp 2010-9-1 16909 Amador Northern Sierra Nevada Mountains: Dufrene Road 0.7 mile east of junction with CA-88, north of Lower Bear River Reservoir 2044 Comment
  SEINET4137611 Image available Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2010-5-31 16184 Amador Sierra Nevada Mountain Foothills; Sutter Creek- Volcano Road, 3.3 miles east of village of Sutter Creek 413 Comment
  SEINET4137624 Image available Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2010-9-1 16914 Amador Northern Sierra Nevada Mountains; Dufrene Road, 0.7 miles E of junction with CA-88 north of Lower Bear River Reservoir Comment
  SEINET4138051 Image available Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2010-4-3 15811 Amador Foothills Northern Sierra Nevada Mountains: Willow Creek Road, 1.2 miles north of junction with CA-124, 3.7 mi NE of Ione 175 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
  SEINET4178522 Image available Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2011-6-17 17607 Amador Northern Sierra Nevada Mountains: junction of CA-26 and Joyce Road, northwest of the Hwy 26 bridge over North Fork Mokelumne River, 0.78 mi. SSW of Pioneer. 762 Comment
  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
  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
  SEINET4178553 Image available Dichelostemma volubile George K. Helmkamp, E. A. Helmkamp 2011-6-17 17604 Amador Northern Sierra Nevada Mountain Foothills: junction of CA-26 and Joyce Road, northwest of the Hwy 26 bridge over North Fork Mokelumne River, 0.78 mi. SSW of Pioneer. 762 Comment
  SEINET4178557 Image available 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 of Pine Grove. 777 Comment
  SEINET4178670 Image available Lotus oblongifolius George K. Helmkamp, E. A. Helmkamp 2010-9-1 16907 Amador Northern Sierra Nevada Mountains: Dufrene Road 0.7 mile east of it's junction with CA-88, north of Lower Bear River Reservoir. Peddler Hill 7.5' Quad 2044 Comment
  SEINET4208366  Elymus glaucus subsp. glaucus George 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 (Fiddletown 7.5; Q.); 0 274 Comment
  SEINET4554108 Image available Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2008-1 13388 A Amador Sierra Nevada Mountains Foothills: along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir 774 Comment
  SEINET4560542  Mimulus breweri George K. Helmkamp, E. A. Helmkamp 2011-1 18017 Amador Northern Sierra Nevada Mountains; along dirt road 0.3 mile east of Bear River Reservoir Road, from a point 0.7 mile south of CA-88. 1986 Comment
  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
  SEINET4560754  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2011-1 17081 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
  SEINET4560787  Eriogonum roseum George K. Helmkamp, E. A. Helmkamp 2011-1 18300 Amador Northern Sierra Nevada Mountains Foothills: along CA-26 (Red Corral Rd.), 2.2 miles north of the crossing over North Fork Mokelumne River, 1 mile SSE (159 degrees) of Pioneer. 762 Comment
  SEINET4560891  Spergula arvensis subsp. arvensis George K. Helmkamp, E. A. Helmkamp 2012-1 18599 Amador Northern Sierra Nevada Mountains Foothills: along CA-124 (E Plymouth Hwy), 1.2 miles northeast of Ione. 169 Comment
  SEINET4560896  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 2012-1 18600 Amador Northern Sierra Nevada Mountains Foothills: along CA-124 (E Plymouth Hwy), 1.2 miles northeast of Ione. 169 Comment
  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
  SEINET4691395  Epilobium hornemannii subsp. hornemannii George K. Helmkamp, E. A. Helmkamp 2011-1 18014 Amador Northern Sierra Nevada Mountains: along dirt road 0.3 mile east of Bear River Reservoir Road, from a point 0.7 mile south of CA-88. 1986 Comment
  SEINET4691429  Ceanothus cuneatus George K. Helmkamp, E. A. Helmkamp 2010-1 15817 Amador Sierra Nevada Mountains Foothills: Fiddletown road (= Oleta Road), 2.9 miles east of CA-49 in Plymouth. 172 Comment
  SEINET4691431  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2010-1 15816 Amador Sierra Nevada Mountains Foothills: Fiddletown road (= Oleta Road), 2.9 miles east of CA-49 in Plymouth. 172 Comment
  SEINET6655074  Lupinus grayi George K. Helmkamp, E. A. Helmkamp 2008-6-9 13633 Amador Northern Sierra Nevada Mountains: Panther Creek Road; 0.6 mile south of its junction with CA-88; juct is 4.0 miles east of Cook's Station (Peddler Hill.); 0 1607 Comment
  SEINET6768368 Image available Deschampsia cespitosa subsp. cespitosa George K. Helmkamp, E. A. Helmkamp 2008-1 13846 Amador Northern Sierra nevada Mountains: along CA-88 at Kirckwood (Caples lake 7.5 Q) 2347 Comment
  SEINET7143599  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 Valley Reservoir Road, c 2 miles (air) north of the west end of Lower Bear River Reservoir (Peddler Hill 7.5' Q).; 0 1000 Comment
  SEINET7249211  Madia glomerata George K. Helmkamp, Elizabeth Helmkamp 2013-1 22284 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
  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
  SEINET9258901  Agrostis exarata George K. Helmkamp, Elizabeth Helmkamp 2013-1 20981 Amador Northern Sierra Nevada Mountains: Bear River Road at the south end of the dam for Lower Bear River Reservoi 1783 Comment
  SEINET9258994  Phleum pratense George K. Helmkamp, Elizabeth Helmkamp 2013-1 20998 Amador Northern Sierra Nevada Mountains: Bear River Road, 1.5 road miles east of the dam for Lower Bear River Reservoir 1836 Comment
  SEINET9259440  Agrostis idahoensis George K. Helmkamp, Elizabeth Helmkamp 2013-1 20987 Amador Northern Sierra Nevada Mountains: Bear River ROad at the south end of the dam for Lower Bera River Reservoir 1783 Comment
  SEINET9262011  Festuca myuros var. hirsuta George K. Helmkamp 2014-1 22689 Amador Eastern edge of San Joaquin Valley/lower Sierra Nevada Foothills Sutter Creek along West Marlette Street, 0.1 mile east of Dave Brubeck Road, west end of city of Ione (Ione 7.5 Q) 85 Comment
  SEINET9262012  Phoradendron macrophyllum George K. Helmkamp 2014-1 22691 Amador Eastern edge of San Joaquin Valley/lower Sierra Nevada Foothills Sutter Creek along West Marlette Street, 0.1 mile east of Dave Brubeck Road, west end of city of Ione (Ione 7.5 Q) 85 Comment
  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
  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
  SEINET998808  Polygonum aviculare G. K. Helmkamp, E. A. Helmkamp 2006-1 11565 Amador Central Valley/Northern Sierra Nevada Foothills: Along CA-16 0.2 miles east of Waits Station, southwest od Plymouth (Irish Hill 7.5' Q) 305 Comment
  UC1930995  Centromadia fitchii G. K. Helmkamp, E. K. Helmkamp 2006-10-6 11475 Amador Northern Sierra Nevada Mountains Foothills: along Hwy CA-49, 1.1 miles south of Plymouth Comment
  UC2015365  Penstemon azureus var. azureus G. K. Helmkamp, E. A. Helmkamp 2011-9-16 18301 Amador Northern Sierra Nevada Mountains Foothills: along CA-26 (Red Corral Rd.), 2.2. miles north of hte crossing over North Fork Mokelumne River, 1 mile SSE (159 deg. ) of Pioneer Comment
  UC2044589  Madia gracilis George K. Helmkamp with 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. (Peddler Hill 7.5' Q.) 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
  UC2044600  Lessingia leptoclada George K. Helmkamp with Elizabeth Helmkamp 2013-9-13 22293 Amador Northern Sierra Nevada Mountains Foothills Fiddletown Road, 0.4 mile west of its junction with Shake Ridge Road. (West Point 7.5' Q.) Comment
  UC2044613  Madia glomerata George K. Helmkamp with E. A. Helmkamp 2012-7-14 19395 Amador Northern Sierra Nevada Mountains edge of Martin Meadow along CA-88 (Carson Pass Highway), 2.2 miles north of Silver Lake. (Caples Lake 7.5' Q.) Comment
  UC2044618  Boechera paupercula George K. Helmkamp with Elizabeth Helmkamp 2013-7-10 21014 Amador Northern Sierra Nevada Mountains Plasse Road at the southern end of Silver Lake, off Highway 88/Carson Pass Hwy. (Tragedy Spring 7.5' Q.) Comment
  UC2046876  Potentilla gracilis var. fastigiata George K. Helmkamp with Elizabeth Helmkamp 2013-7-10 21013 Amador Northern Sierra Nevada Mountains: Plasse Road at the southern end of Silver Lake, off Highway 88/ Carson Pass Highway. Tragedy Spring 7.5' Quad. Comment
  UCD100023  Polygonum aviculare subsp. depressum G. K. Helmkamp; E. A. Helmkamp 2006-10-23 11565 Amador Central Valley/Northern Sierra Nevada Mountains Foothills: along Hwy. CA-16, 0.2 mile east of Waits Station, southwest of Plymouth. 305 Comment
  UCD100195  Eriogonum incanum G. K. Helmkamp 2007-6-29 12418 Amador Northern Sierra Nevada Mountains; Shot Rock Vista picnic area along CA-88, 0.9 mile east of its junction with Mormon Emigrant Trail. 2329 Comment
  UCD100640  Claytonia parviflora G. K. Helmkamp; E. A. Helmkamp 2006-3-19 10087 Amador Northern Sierra Nevada Foothills: Along CA Highway 49 just S of Plymouth. 323 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
  UCD100683  Claytonia parviflora subsp. parviflora G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11780 Amador Northern Sierra Nevada Foothills: along Bell Road beside Plymouth Creek just east of CA-49 in the vicinity of Enterprise. 302 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
  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
  UCD101345  Rumex occidentalis G. K. Helmkamp 2006-5-6 10312 Amador Northern Sierra Nevada foothills: middle of the city Jackson, 0.1 mile north of the junction of CA-49 and CA-88. 701 Comment
  UCD101980  Sedella pumila G. K. Helmkamp 2007-4-23 11812 Amador Northern Sierra Nevada Mountains, junction of Tonzi Road and CA-124 about 7 miles north of Ione. Comment
  UCD102532  Ribes viscosissimum G. K. Helmkamp; E. A. Helmkamp 2007-6-29 12427 Amador Northern Sierra Nevada Mountains. Sandy Cove picnic area, southeast of CA-88 beside the west edge of Silver Lake. 2244 Comment
  UCD102533  Ribes viscosissimum G. K. Helmkamp 2007-6-29 12450 Amador Northern Sierra Nevada Mountains: South side of CA-88, 0.1 mile east of Carson spur summit. 2423 Comment
  UCD103340  Geranium dissectum G. K. Helmkamp; Elizabeth Helmkamp 2006-4-7 10157 Amador Northern Sierra Nevada Foothills: ESE of Sacramento, 1.0 mi S of Plymouth along CA Hwy 49. 326 Comment
  UCD103341  Geranium dissectum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10333 Amador Northern Sierra Nevada. Grass Valley Creek, 1.2 miles east of Pine Grove along Hwy. CA-88. 762 Comment
  UCD103346  Geranium dissectum G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11794 Amador Northern Sierra Nevada Mountains. Along CA Hwy 124, 0.25 mile from its junction with Hwy 16. 252 Comment
  UCD103414  Geranium molle G. K. Helmkamp; Elizabeth Helmkamp 2006-4-7 10168 Amador Northern Sierra Nevada Foothills: E of Sacramento, SW of Shenandoah Valley; Along CA Hwy 49, ca. 4.5 mi N of Plymouth. 341 Comment
  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
  UCD103426  Geranium molle G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11804 Amador Northern Sierra Nevada Mountains; junction of Tonzi Road and CA-124 about 7 miles north of Ione. 229 Comment
  UCD103677  Gayophytum diffusum subsp. parviflorum G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12888 Amador Northern Sierra Nevada Mountains: Along CA-88 at Mile-49, 3.1 miles east of Hams Station. 1860 Comment
  UCD103833  Acmispon americanus var. americanus G. K. Helmkamp; E. A. Helmkamp 2007-8-26 12810 Amador Northern Sierra Nevada Mountains. Along Hwy CA-49 at mile-20, 2.1 miles north of Plymouth; beside Blue Indian Creek. 299 Comment
  UCD103834  Acmispon americanus var. americanus G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12889 Amador Northern Sierra Nevada Mountains: Along CA-88 at Mile-49, 3.1 miles east of Hams Station. 1860 Comment
  UCD105359  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12774 Amador Northern Sierra Nevada Mountains. Along Hwy CA-88, 0.9 mile NE of the junction with Bear River Reservoir Road. 2076 Comment
  UCD105360  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2007-8-26 12813 Amador Northern Sierra Nevada Mountains. Along Hwy CA-49 at mile-20, 2.1 miles N of Plymouth; beside Blue Indian Creek. 299 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
  UCD105622  Epilobium ciliatum G. K. Helmkamp; E. A. Helmkamp 2007-8-26 12811 Amador Northern Sierra Nevada Mountains. Along Hwy CA-49 at mile-20, 2.1 miles north of Plymouth; beside Blue Indian Creek. 299 Comment
  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
  UCD106292  Epilobium densiflorum G. K. Helmkamp; E. A. Helmkamp 2007-8-26 12812 Amador Northern Sierra Nevada Mountains. Along Hwy CA-49 at mile-20, 2.1 miles north of Plymouth; beside Blue Indian Creek. 299 Comment
  UCD106684  Lathyrus tingitanus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-6 10308 Amador Northern Sierra Nevada: middle of the city Jackson, 0.1 mile north of the junction of CA-49 and CA-88. 377 Comment
  UCD107025  Lupinus benthamii G. K. Helmkamp; E. A. Helmkamp 2007-4-5 11740 Amador Northern Sierra Nevada Mountains, along CA-49, 0.2 mile west of Amador City. 309 Comment
  UCD107026  Lupinus benthamii G. K. Helmkamp; E. A. Helmkamp 2007-4-26 11827 Amador Northern Sierra Nevada Mountains: along CA E-16, 0.7 mile south of River Pines. 610 Comment
  UCD107245  Lupinus bicolor G. K. Helmkamp; Elizabeth Helmkamp 2007-4-5 11733 Amador Northern Sierra Nevada Foothills: Sutter to Ione Road, 0.4 mi east of CA-49, northeast of Ione. 180 Comment
  UCD107246  Lupinus bicolor G. K. Helmkamp; Elizabeth Helmkamp 2007-4-5 11741 Amador Northern Sierra Nevada Mountains: along CA-49, 0.2 mile west of Amador City. 309 Comment
  UCD107248  Lupinus bicolor G. K. Helmkamp; E. A. Helmkamp 2007-4-26 11826 Amador northern Sierra Nevada Mountains: along CA E-16, 0.7 mile south of River Pines. 610 Comment
  UCD107637  Marah fabacea G. K. Helmkamp; E. A. Helmkamp 2007-3-17 11646 Amador Eastern Sacramento Valley: Buena Vista Road, 0.3 mile north of Buena Vista. 104 Comment
  UCD107800  Lupinus fulcratus G. K. Helmkamp; E. A. Helmkamp 2007-6-29 12430 Amador Northern Sierra Nevada Mountains. Sandy Cove picnic area. Southeast of CA-88 beside the west edge of Silver Lake. 2244 Comment
  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
  UCD108714  Lupinus microcarpus var. densiflorus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-6 10300 Amador Northern Sierra Nevada: along Hwy CA-49, 0.3 mile south of Drytown. 226 Comment
  UCD108850  Lupinus microcarpus var. microcarpus G. K. Helmkamp; E. A. Helmkamp 2007-4-26 11825 Amador northern Sierra Nevada Mountains: along CA E-16, 0.7 mile south of River Pines. 610 Comment
  UCD108907  Vicia sativa subsp. sativa G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10336 Amador Northern Sierra Nevada. Grass Valley Creek, 1.2 miles east of Pine Grove along Hwy. CA-88. 762 Comment
  UCD108910  Vicia sativa subsp. nigra G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11784 Amador Foothills, Northern Sierra Nevada Mountains: along Bell Road beside Plymouth Creek just east of CA-49 in the vicinity of Enterprise. 302 Comment
  UCD108911  Vicia sativa subsp. nigra G. K. Helmkamp; E. A. Helmkamp 2007-4-26 11828 Amador Foothills, Northern Sierra Nevada Mountains: along CA E-16, 0.7 mile south of River Pines. 610 Comment
  UCD109061  Lupinus nanus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-6 10300 Amador Northern Sierra Nevada: along Hwy CA-49, 0.3 mile south of Drytown. 226 Comment
  UCD109066  Lupinus nanus G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11802 Amador Northern Sierra Nevada Mountains; junction of Tonzi Road and CA-124 about 7 miles north of Ione. 229 Comment
  UCD109114  Vicia villosa subsp. varia G. K. Helmkamp; Elizabeth Helmkamp 2006-5-6 10310 Amador Northern Sierra Nevada foothills: middle of the city Jackson, 0.1 mile north of the junction of CA-49 and CA-88. 378 Comment
  UCD109121  Vicia villosa subsp. varia G. K. Helmkamp; E. A. Helmkamp 2007-4-5 11746 Amador Northern Sierra Nevada Mountains: along CA-49, 0.2 mile west of Amador City. 309 Comment
  UCD109337  Trifolium tomentosum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-6 10302 Amador Northern Sierra Nevada: along Hwy CA-49, 0.3 mile south of Drytown. 226 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
  UCD110269  Juglans hindsii G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11797 Amador Northern Sierra Nevada Mountains. Along CA Hwy 124, 0.25 mile from its junction with Hwy 16. 252 Comment
  UCD111147  Trifolium hirtum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-6 10301 Amador Northern Sierra Nevada foothills: along Hwy CA-49, 0.3 mile south of Drytown. 226 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
  UCD111153  Trifolium hirtum G. K. Helmkamp; Elizabeth Helmkamp 2007-4-26 11824 Amador Northern Sierra Nevada Mountains: along CA E-16, 0.7 mile south of River Pines. 610 Comment
  UCD111971  Ceanothus integerrimus G. K. Helmkamp 2006-5-9 10331 Amador Northern Sierra Nevada: Grass Valley Creek, 1.2 miles east of Pine Grove along Hwy CA-88. 762 Comment
  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
  UCD112772  Frangula californica G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11817 Amador Northern Sierra Nevada Mountains; junction of Tonzi Road and CA-124 about 7 miles north of Ione. 229 Comment
  UCD113317  Heteromeles arbutifolia G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12900 Amador Northern Sierra Nevada Mountains: Climax Road 0.8 mile west of its junction with CA-88. 701 Comment
  UCD113364  Holodiscus discolor var. microphyllus G. 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
  UCD113914  Potentilla gracilis var. fastigiata G. K. Helmkamp; E. A. Helmkamp 2007-7-17 12528 Amador Northern Sierra Nevada Mtns: along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake. 2317 Comment
  UCD114064  Spiraea splendens G. K. Helmkamp 2007-6-29 12432 Amador Northern Sierra Nevada Mountains: Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake. 2244 Comment
  UCD115183  Raphanus sativus G. K. Helmkamp; E. A. Helmkamp 2006-10-23 11560 Amador Central Valley/Northern Sierra Nevada Foothills; along CA-16, 0.2 mile east of Waits Station, southwest of Plymouth. 305 Comment
  UCD115563  Draba verna G. K. Helmkamp; E. A. Helmkamp 2007-3-10 11606 Amador Northern Sierra Nevada. Rattlesnake Bar Road, 3 miles southwest of Calif. Hwy 49, SW of Pilot Hill. 390 Comment
  UCD115932  Thysanocarpus curvipes G. K. Helmkamp; Elizabeth Helmkamp 2006-4-7 10162 Amador Northern Sierra Nevada: E of Sacramento, SW of Shenandoah Valley; Along CA Hwy 49, ca. 4.5 miles N of Plymouth. 341 Comment
  UCD117024  Acer macrophyllum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10346 Amador Northern Sierra Nevada Foothills; ESE of Sacramento, 3.2 miles E of Pine Grove along CA-Hwy 88. 841 Comment
  UCD117170  Cornus nuttallii G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10345 Amador Northern Sierra Nevada Foothills: ESE of Sacramento, 3.2 mi. E of Pine Grove along CA Hwy 88. 841 Comment
  UCD117447  Anagallis arvensis G. 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
  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
  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
  UCD119255  Eriodictyon californicum G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10329 Amador Northern Sierra Nevada: Climax Road southwest of Pine Grove, 0.1 mile west of Hwy CA-88. 701 Comment
  UCD119745  Amsinckia menziesii G. K. Helmkamp; E. A. Helmkamp 2007-3-17 11641 Amador Sacramento Valley/Sierra Nevada Foothills: Hwy CA-24, 3.2 mi southwest of Plymouth near Tonzi Road. 210 Comment
  UCD119921  Nemophila parviflora G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10344 Amador Northern Sierra Nevada: ESE of Sacramento: 3.2 mi E of Pine Grove along CA Hwy 88. 841 Comment
  UCD120027  Nemophila heterophylla G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11778 Amador Northern Sierra Nevada Mountains: along Bell Road beside Plymouth Creek just east of CA-49 in the vicinity of Enterprise. 302 Comment
  UCD120252  Nemophila menziesii var. menziesii G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11791 Amador Northern Sierra Nevada Mountains: along Bell Road beside Plymouth Creek just east of CA-49 in the vicinity of Enterprise. 302 Comment
  UCD120321  Phacelia cicutaria var. cicutaria G. K. Helmkamp; E. A. Helmkamp 2007-4-5 11743 Amador Northern Sierra Nevada Mountains: along CA-49, 0.2 mile west of Amador City. 309 Comment
  UCD120483  Phacelia hastata subsp. hastata G. K. Helmkamp; Elizabeth A. Helmkamp 2006-6-29 10805 Amador Northern Sierra Nevada: Northbound along Hwy CA-26, 0.6 mile past the North Fork of Mokelumne River. 732 Comment
  UCD120484  Phacelia hastata subsp. hastata G. K. Helmkamp 2007-6-29 12428 Amador Northern Sierra Nevada Mountains: Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake. 2244 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
  UCD120896  Plagiobothrys nothofulvus G. K. Helmkamp; Elizabeth Helmkamp 2006-4-7 10160 Amador Northern Sierra Nevada: E of Sacramento, SW of Shenandoah Valley; Along CA Hwy 49, ca. 4.5 mi N of Plymouth. 341 Comment
  UCD120899  Plagiobothrys nothofulvus G. K. Helmkamp; E. A. Helmkamp 2007-3-17 11642 Amador Sacramento Valley/Sierra Nevada Foothills: Hwy CA-24, 3.2 mi southwest of Plymouth near Tonzi Road. 210 Comment
  UCD120902  Plagiobothrys nothofulvus G. K. Helmkamp; E. A. Helmkamp 2007-4-26 11829 Amador Northern Sierra Nevada Mountains: along CA E-16, 0.7 mile south of River Pines. 610 Comment
  UCD121332  Asclepias fascicularis G. K. Helmkamp; E. A. Helmkamp 2006-10-23 11561 Amador Central Valley/Northern Sierra Nevada Foothills: along CA-16, 0.2 mile east of Waits Station, southwest of Plymouth. 305 Comment
  UCD121504  Centaurium tenuiflorum G. K. Helmkamp; E. A. Helmkamp 2006-10-23 11564 Amador Central Valley/Northern Sierra Nevada Foothills: along CA-16, 0.2 mile east of Waits Station, southwest of Plymouth. 305 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
  UCD121689  Galium aparine G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11801 Amador Northern Sierra Nevada Mountains: junction of Tonzi Road and CA-124 about 7 miles north of Ione. 229 Comment
  UCD122203  Castilleja applegatei G. K. Helmkamp 2007-6-29 12425 Amador Northern Sierra Nevada Mountains: Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake. 2244 Comment
  UCD122318  Castilleja attenuata G. K. Helmkamp; E. A. Helmkamp 2007-4-5 11742 Amador Northern Sierra Nevada Mountains: along CA-49, 0.2 mile west of Amador City. 309 Comment
  UCD122669  Mimulus microphyllus G. K. Helmkamp; E. A. Helmkamp 2007-4-26 11823 Amador Northern Sierra Nevada Mountains. Along CA E-16, 0.7 mile south of River Pines. 610 Comment
  UCD122915  Mimulus tilingii G. K. Helmkamp 2007-6-29 12453 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.1 mile east of Carson Spur summit. 2423 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
  UCD123538  Collinsia heterophylla var. heterophylla G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10366 Amador Northern Sierra Nevada Foothills: near Enterprise, ca. 0.4 mile east of Ca Hwy 88 on an unnamed dirt road (probably Bell Road). 305 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
  UCD123655  Collinsia sparsiflora G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11783 Amador Northern Sierra Nevada Mountains: along Bell Road beside Plymouth Creek just east of CA-49 in the vicinity of Enterprise. 302 Comment
  UCD123878  Kickxia elatine G. K. Helmkamp; E. A. Helmkamp 2006-10-23 11563 Amador Central Valley/Northern Sierra Nevada Foothills; along CA-16, 0.2 mile east of Waits Station, southwest of Plymouth. 305 Comment
  UCD124161  Penstemon roezlii G. K. Helmkamp; E. A. Helmkamp 2007-6-29 12431 Amador Northern Sierra Nevada Mountains. Sandy Cove picnic area. Southeast of CA-88 beside the west edge of Silver Lake. 2244 Comment
  UCD125222  Monardella odoratissima subsp. pallida G. 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. 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
  UCD127885  Perideridia lemmonii G. K. Helmkamp; E. A. Helmkamp 2007-7-17 12522 Amador Northern Sierra Nevada Mountains: along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake. 2316 Comment
  UCD128197  Yabea microcarpa G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11782 Amador Northern Sierra Nevada Mountains: along Bell Road beside Plymouth Creek just east of CA-49 in the vicinity of Enterprise. 302 Comment
  UCD128309  Achillea millefolium G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10361 Amador Northern Sierra Nevada Foothills: Near Enterprise, around 0.4 mile east of CA Highway 88 on an unnamed dirt road (probably Bell Road). 92 Comment
  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
  UCD128312  Achillea millefolium G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12741 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail. 2172 Comment
  UCD129174  Artemisia norvegica subsp. saxatilis G. K. Helmkamp 2007-6-29 12452 Amador Northern Sierra Nevada Mountains: South side of CA-88, 0.1 mile east of Carson spur summit. 2423 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
  UCD131227  Dittrichia graveolens G. K. Helmkamp; E. A. Helmkamp 2006-10-23 11567 Amador Central Valley/Northern Sierra Nevada Mountains Foothills: along Hwy. CA-16, 0.2 mile east of Waits Station, southwest of Plymouth. 305 Comment
  UCD131727  Erigeron breweri G. K. Helmkamp; E. A. Helmkamp 2007-7-17 12514 Amador Northern Sierra Nevada Mountains: along CA-88, 0.7 mile north of its junction with Mormon Emigrant Trail; Shot Rock trailhead. 2325 Comment
  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
  UCD132277  Eucephalus breweri G. K. Helmkamp; E. A. Helmkamp 2007-7-17 12516 Amador Northern Sierra Nevada Mountains: along CA-88, 0.7 mile north of its junction with Mormon Emigrant Trail; Shot Rock trailhead. 2325 Comment
  UCD133244  Holocarpha virgata subsp. virgata G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12903 Amador Northern Sierra Nevada Mountains. Along CA-49 south of Drytown and near the crossing of Sutter Creek. 241 Comment
  UCD133468  Hypochaeris radicata G. K. Helmkamp; Elizabeth Helmkamp 2006-4-7 10156 Amador Northern Sierra Nevada Foothills: ESE of Sacramento, 1.0 mi S of Plymouth along CA Hwy 49. 326 Comment
  UCD133787  Lasthenia gracilis G. K. Helmkamp; E. A. Helmkamp 2007-3-17 11639 Amador Sacramento Valley/Sierra Nevada Foothills: Hwy. CA-24, 3.2 mi. southwest of Plymouth near Tonzi Road. 210 Comment
  UCD133975  Leontodon saxatilis G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10335 Amador Northern Sierra Nevada. Grass Valley Creek, 1.2 miles east of Pine Grove along Hwy. CA-88. 762 Comment
  UCD133976  Leontodon saxatilis G. K. Helmkamp; E. A. Helmkamp 2006-10-6 11468 Amador Northern Sierra Nevada Mountains: along Highway CA-49 beside big Indian Creek. 2.2 miles south of el dorado County Line. 271 Comment
  UCD133979  Leontodon saxatilis G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11795 Amador Northern Sierra Nevada Mountains. Along CA Hwy 124, 0.25 mile from its junction with Hwy 16. 252 Comment
  UCD134078  Lessingia leptoclada G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12896 Amador Northern Sierra Nevada Mountains: Along CA-88 3.2 miles west of Hams Station along CA-88, just east of Cooks Station. 1527 Comment
  UCD134211  Madia elegans G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12891 Amador Northern Sierra Nevada Mountains: Along CA-88 at Mile-49, 3.1 miles east of Hams Station. 1860 Comment
  UCD134212  Madia elegans G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12901 Amador Northern Sierra Nevada Mountains. Climax Road 0.8 mile west of its junction with CA-88. 701 Comment
  UCD134264  Madia glomerata G. 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. 2316 Comment
  UCD134714  Pinus jeffreyi G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11800 Amador Northern Sierra Nevada Mountains: junction of Tonzi Road and CA--124 about 7 miles north of Ione. 228 Comment
  UCD135247  Pseudognaphalium thermale G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12773 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 0.9 mile northeast of the junction with Bear River Reservoir Road. 2076 Comment
  UCD135444  Rudbeckia californica G. 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
  UCD135543  Senecio integerrimus G. K. Helmkamp 2007-6-29 12420 Amador Northern Sierra Nevada Mountains; Shot Rock Vista picnic area along CA-88, 0.9 mile east of its junction with Mormon Emigrant Trail. 2329 Comment
  UCD136269  Athyrium filix-femina G. 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
  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
  UCD136623  Symphyotrichum spathulatum G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12743 Amador Northern Sierra Nevada Mountains: along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail. 2172 Comment
  UCD137561  Plectritis ciliosa G. K. Helmkamp; E. A. Helmkamp 2007-4-5 11732 Amador Northern Sierra Nevada Mountains: Sutter to Ione Road. 0.4 mile east of CA-49, northeast of Ione. 180 Comment
  UCD137563  Plectritis ciliosa G. K. Helmkamp; E. A Helmkamp 2007-4-23 11788 Amador Northern Sierra Nevada Mountains: along Bell Road beside Plymouth Creek just east of CA-49 in the vicinity of Enterprise. 302 Comment
  UCD137665  Valerianella locusta G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10341 Amador Northern Sierra Nevada: Grass Valley Creek, 1.2 miles east of Pine Grove along Hwy CA-88. 762 Comment
  UCD138656  Allium validum G. K. Helmkamp; E. A. Helmkamp 2007-7-17 12519 Amador Northern Sierra Nevada Mountains: along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake. 2316 Comment
  UCD139367  Triteleia laxa G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11805 Amador Northern Sierra Nevada Mountains; junction of Tonzi Road and CA-124 about 7 miles north of Ione. 229 Comment
  UCD139399  Triteleia laxa G. K. Helmkamp; Elizabeth Helmkamp 2006-5-6 10303 Amador Northern Sierra Nevada: along Hwy CA-49, 0.3 mile south of Drytown. 226 Comment
  UCD139400  Triteleia laxa G. K. Helmkamp 2006-5-6 10313 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
  UCD139453  Calochortus albus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10355 Amador Northern Sierra Nevada Foothills: Along CA Hwy 88, 0.9 mi. S of the El Dorado County line at Enterprise. 274 Comment
  UCD139557  Calochortus monophyllus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10337 Amador Northern Sierra Nevada. Grass Valley Creek, 1.2 miles east of Pine Grove along Hwy. CA-88. 762 Comment
  UCD140151  Carex athrostachya G. K. Helmkamp 2007-6-29 12436 Amador Northern Sierra Nevada Mountains: Kirkwood Meadows about one mile west of Kirkwood and 0.1 mile south of CA-88. 2317 Comment
  UCD140154  Carex athrostachya G. K. Helmkamp; E. A. Helmkamp 2007-7-17 12525 Amador Northern Sierra Nevada Mountains: along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake. 2316 Comment
  UCD141380  Juncus bufonius G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10318 Amador Northern Sierra Nevada foothills: Climax Road southwest of Pine Grove, 0.1 mile west of Hwy CA-88. 701 Comment
  UCD141431  Juncus chlorocephalus G. K. Helmkamp; E. A. Helmkamp 2007-6-29 12444 Amador Northern Sierra Nevada Mountains: Kirkwood Lake, about 0.5 mile north of CA-88 on the road to the campground. 2351 Comment
  UCD141526  Juncus ensifolius G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12746 Amador Northern Sierra Nevada Mountains, along Hwy 88, 1 mile south of the junction with Mormon Emigrant Trail. 2172 Comment
  UCD142414  Euphorbia oblongata G. K. Helmkamp; E. A. Helmkamp 2006-10-8 11500 Amador Northern Sierra Nevada Mountains Foothills; along Hwy CA-26; 0.6 mile west of North Fork of the Mokelumne River. 732 Comment
  UCD142632  Euphorbia nutans G. K. Helmkamp; E. A. Helmkamp 2006-10-23 11566 Amador Central Valley/Northern Sierra Nevada; along CA-16, 0.2 mile east of Waits Station, southwest of Plymouth. 305 Comment
  UCD60227  Arctostaphylos glauca G. K. Helmkamp 2006-5-9 10323 Amador Northern Sierra Nevada foothills: Climax Road southwest of Pine Grove, 0.1 mile west of Hwy. CA-88. 701 Comment
  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
  UCD63223  Bromus carinatus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10358 Amador Northern Sierra Nevada Foothills: Along Hwy. 88, 0.9 mi. S of the El Dorado County line at Enterprise. 274 Comment
  UCD63260  Quercus chrysolepis G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12899 Amador Northern Sierra Nevada Mountains: Climax Road 0.8 mile west of its junction with CA-88. 701 Comment
  UCD63261  Quercus chrysolepis G. K. Helmkamp; E. A. Helmkamp 2007-9-4 12898 Amador Northern Sierra Nevada Mountains: Climax Road 0.8 mile west of its junction with CA-88. 701 Comment
  UCD65884  Schedonorus arundinaceus G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10330 Amador Northern Sierra Nevada foothills: Grass Valley Creek, 1.2 miles east of Pine Grove along Hwy. CA-88. 762 Comment
  UCD66001  Lolium multiflorum G. K. Helmkamp; E. A. Helmkamp 2007-5-5 11749 Amador Northern Sierra Nevada Mountains: along CA-49, 0.2 mile west of Amador City. 309 Comment
  UCD66099  Agrostis scabra G. 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
  UCD66101  Agrostis variabilis G. K. Helmkamp 2007-6-29 12435 Amador Northern Sierra Nevada Mountains: Kirkwood Meadows about one mile west of Kirkwood and 0.1 mile south of CA-88. 2317 Comment
  UCD72505  Leersia oryzoides G. K. Helmkamp; E. A. Helmkamp 2007-8-26 12814 Amador Northern Sierra Nevada Mountains: Along Hwy. CA-49 at mile-20, 2.1 miles north of Plymouth; beside Blue Indian Creek. 299 Comment
  UCD74334  Echinochloa crus-galli G. K. Helmkamp; E. A. Helmkamp 2007-8-26 12819 Amador Northern Sierra Nevada Mountains: along Hwy. CA-49 at the south end of Plymouth. 323 Comment
  UCD74337  Crypsis schoenoides G. K. Helmkamp; E. A. Helmkamp 2007-8-26 12815 Amador Northern Sierra Nevada Mountains. Along Hwy. CA-49 at the south end of Plymouth. 323 Comment
Read comments
May 14 2010
  UCD74339  Vulpia myuros var. hirsuta G. K. Helmkamp; E. A. Helmkamp 2007-3-17 11638 Amador Sacramento Valley/Sierra Nevada Foothills: Hwy. CA-24, 3.2 mi. southwest of Plymouth near Tonzi Road. 210 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
  UCD86357  Melica bulbosa G. K. Helmkamp; Elizabeth Helmkamp 2006-5-9 10340 Amador Northern Sierra Nevada foothills: Grass Valley Creek, 1.2 miles east of Pine Grove along Hwy. CA-88. 762 Comment
  UCD86619  Muhlenbergia filiformis G. K. Helmkamp; E. A. Helmkamp 2007-8-16 12768 Amador Northern Sierra Nevada Mountains: along the south side of Bear River Reservoir just east of the spillway. 1777 Comment
  UCD90553  Poa bolanderi G. K. Helmkamp; E. A. Helmkamp 2007-6-29 12429 Amador Northern Sierra Nevada Mountains. Sandy Cove picnic area. Southeast of CA-88 beside the west edge of Silver Lake. 2244 Comment
  UCD90901  Poa cusickii G. K. Helmkamp 2007-6-29 12438 Amador Northern Sierra Nevada Mountains. Kirkwood Meadows about one mile west of Kirkwood and 0.1 mile south of CA-88. 2317 Comment
  UCD92367  Poa secunda subsp. juncifolia G. K. Helmkamp; E. A. Helmkamp 2007-6-6 12260 Amador Northern Sierra Nevada Mountains. Along Mormon Emigrant Trail, 8.3 miles E of its junction with Sly Park Road. 1616 Comment
  UCD93530  Vulpia bromoides G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11796 Amador Northern Sierra Nevada Mountains. Along CA Hwy 124, 0.25 mile from its junction with Hwy 16. 252 Comment
  UCD94771  Vulpia myuros G. K. Helmkamp; E. A. Helmkamp 2007-4-5 11745 Amador Northern Sierra Nevada Mountains, along CA-49, 0.2 mile west of Amador City. 309 Comment
  UCD95314  Eschscholzia californica G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11811 Amador Northern Sierra Nevada Mountains - junction of Tonzi Road and CA-124 about 7 miles north of Ione. 229 Comment
  UCD95372  Eschscholzia lobbii G. K. Helmkamp; 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. 229 Comment
  UCD95953  Ranunculus californicus G. K. Helmkamp; E. A. Helmkamp 2007-4-5 11734 Amador Northern Sierra Nevada Mountains, Sutter to Ione Road. 0.4 mile east of CA-49, northeast of Ione. 180 Comment
  UCD96143  Ranunculus hebecarpus G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11779 Amador Northern Sierra Nevada Mountains; along Bell Road beside Plymouth Creek, just east of CA-49 in the vincity of Enterprise. 302 Comment
  UCD96155  Delphinium nuttallianum G. K. Helmkamp; E. A. Helmkamp 2007-6-29 12424 Amador Northern Sierra Nevada Mountains. Sandy Cove picnic area. Southeast of CA-88 beside the west edge of Silver Lake. 2244 Comment
  UCD96803  Thalictrum fendleri var. fendleri G. K. Helmkamp 2007-6-29 12456 Amador Northern Sierra Nevada Mountains: South side of CA-88, 0.2 mile west of Carson Spur summit. 2420 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
  UCD98377  Petrorhagia dubia G. K. Helmkamp; E. A. Helmkamp 2007-4-26 11820 Amador Northern Sierra Nevada Mountains; along CA E-16, 0.7 mile south of River Pines. 610 Comment
  UCD98512  Scleranthus annuus subsp. annuus G. K. Helmkamp; E. A. Helmkamp 2007-4-23 11813 Amador Northern Sierra Nevada Mountains; junction of Tonzi Road and CA-124 about 7 miles north of Ione. 229 Comment
  UCD99289  Spergularia rubra G. K. Helmkamp; E. A. Helmkamp 2007-8-26 12821 Amador Northern Sierra Nevada Mountains; along CA-49 at the south end of Plymouth. 323 Comment
  UCR170561  Foeniculum vulgare George K. Helmkamp, E. A. Helmkamp 2005-9-1 9835 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
  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
  UCR170563  Cordylanthus tenuis subsp. tenuis George K. Helmkamp, E. A. Helmkamp 2005-9-1 9837 Amador Northern Sierra Nevada Foothills, Climax road at Taves Road, 0.3 mi west of Calif. Highway 88 (ESE of Sacramento and c. 13 miles NE of Jackson) 701 Comment
  UCR170565  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2005-9-1 9839 Amador Northern Sierra Nevada Foothills, Climax road at Taves Road, 0.3 mi west of Calif. Highway 88 (ESE of Sacramento and c. 13 miles NE of Jackson) 701 Comment
  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
  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
  UCR170974  Erodium cicutarium George K. Helmkamp, E. A. Helmkamp 2006-3-19 10089 Amador Northern Sierra Nevada Foothills, Along Calif. Highway 49 just south of Plymouth 323 Comment
  UCR170986  Vicia sativa subsp. sativa George K. Helmkamp, E. A. Helmkamp 2006-3-19 10088 Amador Northern Sierra Nevada Foothills, Along Calif. Highway 49 just south of Plymouth 323 Comment
  UCR170987  Claytonia parviflora subsp. parviflora George K. Helmkamp, E. A. Helmkamp 2006-3-19 10086 Amador Northern Sierra Nevada Foothills, Along Calif. Highway 49 just south of Plymouth 323 Comment
  UCR170988  Claytonia parviflora George K. Helmkamp, E. A. Helmkamp 2006-3-19 10087 Amador Northern Sierra Nevada Foothills, Along Calif. Highway 49 just south of Plymouth 323 Comment
  UCR171042  Triphysaria eriantha subsp. eriantha George K. Helmkamp, E. A. Helmkamp 2006-3-19 10083 Amador Northern Sierra Nevada Foothills, Along Calif. Highway 49 just south of Plymouth 323 Comment
  UCR171043  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2006-3-19 10082 Amador Northern Sierra Nevada Foothills, Along Calif. Highway 49 just south of Plymouth 323 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
  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
  UCR171218  Blennosperma nanum var. nanum George K. Helmkamp, E. A. Helmkamp 2006-3-19 10085 Amador Northern Sierra Nevada Foothills, Along Calif. Highway 49 just south of Plymouth 323 Comment
  UCR171220  Amsinckia retrorsa George K. Helmkamp, E. A. Helmkamp 2006-3-19 10090 Amador Northern Sierra Nevada Foothills, Along Calif. Highway 49 just south of Plymouth 323 Comment
  UCR171226  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2006-3-19 10091 Amador Northern Sierra Nevada Foothills, Along Calif. Highway 49 just south of Plymouth 323 Comment
  UCR171547  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2006-3-19 10092 Amador Northern Sierra Nevada Foothills, Along Calif. Highway 49 just south of Plymouth 323 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
  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
  UCR173365  Thysanocarpus curvipes George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10360 Amador Northern Sierra Nevada Foothills, Along Calif. Hwy 88, 0.9 mi. south of the El Dorado County line at Enterprise 274 Comment
  UCR173366  Elymus glaucus subsp. glaucus George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10359 Amador Northern Sierra Nevada Foothills, Along Calif. Hwy 88, 0.9 mi. south of the El Dorado County line at Enterprise 274 Comment
  UCR173367  Lupinus bicolor George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10357 Amador Northern Sierra Nevada Foothills, Along Calif. Hwy 88, 0.9 mi. south of the El Dorado County line at Enterprise 274 Comment
  UCR173368  Sidalcea malviflora George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10356 Amador Northern Sierra Nevada Foothills, Along Calif. Hwy 88, 0.9 mi. south of the El Dorado County line at Enterprise 274 Comment
  UCR173370  Trifolium willdenovii George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10354 Amador Northern Sierra Nevada Foothills, Along Calif. Hwy 88, 0.9 mi. south of the El Dorado County line at Enterprise 274 Comment
  UCR173371  Lithophragma bolanderi George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10352 Amador Northern Sierra Nevada Foothills, Along Calif. Hwy 88, 0.9 mi. south of the El Dorado County line at Enterprise 274 Comment
  UCR173467  Cornus nuttallii George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10345 Amador Northern Sierra Nevada Foothills, ESE of Sacramento; 3.2 mi. east of Pine Grove along Calif. Hwy 88 841 Comment
  UCR173468  Ranunculus californicus George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10351 Amador Northern Sierra Nevada Foothills, ESE of Sacramento; 3.2 mi. east of Pine Grove along Calif. Hwy 88 841 Comment
  UCR173469  Arbutus menziesii George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10347 Amador Northern Sierra Nevada Foothills, ESE of Sacramento; 3.2 mi. east of Pine Grove along Calif. Hwy 88 841 Comment
  UCR173470  Acer macrophyllum George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10346 Amador Northern Sierra Nevada Foothills, ESE of Sacramento; 3.2 mi. east of Pine Grove along Calif. Hwy 88 841 Comment
  UCR173471  Luzula comosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10350 Amador Northern Sierra Nevada Foothills, ESE of Sacramento; 3.2 mi. east of Pine Grove along Calif. Hwy 88 841 Comment
  UCR173472  Nemophila parviflora George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10344 Amador Northern Sierra Nevada Foothills, ESE of Sacramento; 3.2 mi. east of Pine Grove along Calif. Hwy 88 841 Comment
  UCR173515  Geranium molle George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10348 Amador Northern Sierra Nevada Foothills, ESE of Sacramento; 3.2 mi. east of Pine Grove along Calif. Hwy 88 841 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
  UCR173603  Galium aparine George K. Helmkamp, Elizabeth Helmkamp 2006-4-7 10169 A Amador Northern Sierra Nevada Foothills, E of Sacramento, SW of Shenandoah Valley; along Calif. Hwy 49, c. 4.5 mi north of Plymouth 341 Comment
  UCR173604  Plagiobothrys nothofulvus George K. Helmkamp, Elizabeth Helmkamp 2006-4-7 10167 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
  UCR173607  Nemophila menziesii var. menziesii George K. Helmkamp, Elizabeth Helmkamp 2006-4-7 10170 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
  UCR173608  Claytonia perfoliata subsp. perfoliata George K. Helmkamp, Elizabeth Helmkamp 2006-4-7 10166 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
  UCR173609  Claytonia parviflora subsp. parviflora George K. Helmkamp, Elizabeth Helmkamp 2006-4-7 10165 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
  UCR173610  Lupinus succulentus George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10316 Amador Northern Sierra Nevada foothills, middle of the city Jackson, 0.1 mile north of the junction of Calif. Hwy 49 and Calif. Hwy 88 378 Comment
  UCR173611  Phacelia parryi George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10315 Amador Northern Sierra Nevada foothills, middle of the city Jackson, 0.1 mile north of the junction of Calif. Hwy 49 and Calif. Hwy 88 378 Comment
Read comments
Feb 2 2007
  UCR173612  Collinsia heterophylla var. heterophylla George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10314 Amador Northern Sierra Nevada foothills, middle of the city Jackson, 0.1 mile north of the junction of Calif. Hwy 49 and Calif. Hwy 88 378 Comment
  UCR173613  Lupinus nanus George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10311 Amador Northern Sierra Nevada foothills, middle of the city Jackson, 0.1 mile north of the junction of Calif. Hwy 49 and Calif. Hwy 88 378 Comment
  UCR173651  Eschscholzia californica George K. Helmkamp, Elizabeth Helmkamp 2006-4-7 10155 Amador Northern Sierra Nevada Foothills, ESE of Sacramento; 1.0 mi south of Plymouth along Calif. Hwy 49 326 Comment
  UCR173654  Rumex crispus George K. Helmkamp, Elizabeth Helmkamp 2006-4-7 10158 Amador Northern Sierra Nevada Foothills, ESE of Sacramento; 1.0 mi south of Plymouth along Calif. Hwy 49 326 Comment
  UCR173655  Amsinckia intermedia George K. Helmkamp, Elizabeth Helmkamp 2006-4-7 10159 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
  UCR173658  Spartium junceum George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10309 Amador Northern Sierra Nevada foothills, middle of the city Jackson, 0.1 mile north of the junction of Calif. Hwy 49 and Calif. Hwy 88 378 Comment
  UCR173660  Quercus chrysolepis George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10324 Amador Northern Sierra Nevada foothills, Climax Road southwest of Pine Grove, 0.1 mile west of Calif. Hwy 88 701 Comment
  UCR173661  Lathyrus sulphureus George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10325 Amador Northern Sierra Nevada foothills, Climax Road southwest of Pine Grove, 0.1 mile west of Calif. Hwy 88 701 Comment
  UCR173662  Eriodictyon californicum George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10329 Amador Northern Sierra Nevada foothills, Climax Road southwest of Pine Grove, 0.1 mile west of Calif. Hwy 88 701 Comment
  UCR173663  Ceanothus integerrimus George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10331 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  UCR173664  Salix laevigata George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10332 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  UCR173665  Geranium dissectum George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10333 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  UCR173666  Trifolium hirtum George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10334 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  UCR173680  Juncus bufonius George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10318 Amador Northern Sierra Nevada foothills, Climax Road southwest of Pine Grove, 0.1 mile west of Calif. Hwy 88 701 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
  UCR173744  Anthriscus caucalis George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10306 Amador Northern Sierra Nevada foothills, middle of the city Jackson, 0.1 mile north of the junction of Calif. Hwy 49 and Calif. Hwy 88 378 Comment
  UCR173746  Lupinus bicolor George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10304 A Amador Northern Sierra Nevada Foothills, along Calif. Hwy 49, 0.3 mile south of Drytown 226 Comment
  UCR173765  Vicia villosa subsp. varia George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10310 Amador Northern Sierra Nevada foothills, middle of the city Jackson, 0.1 mile north of the junction of Calif. Hwy 49 and Calif. Hwy 88 378 Comment
  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
  UCR173804  Eriophyllum lanatum var. achilleoides George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-29 10808 Amador Northern Sierra Nevada foothills, northbound along Calif. Hwy 26, 0.6 mile past the North Fork of Mokelumne River 732 Comment
  UCR173832  Salix laevigata George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10307 Amador Northern Sierra Nevada foothills, middle of the city Jackson, 0.1 mile north of the junction of Calif. Hwy 49 and Calif. Hwy 88 378 Comment
  UCR173833  Triteleia laxa George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10303 Amador Northern Sierra Nevada Foothills, along Calif. Hwy 49, 0.3 mile south of Drytown 226 Comment
  UCR173834  Lathyrus tingitanus George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10308 Amador Northern Sierra Nevada foothills, middle of the city Jackson, 0.1 mile north of the junction of Calif. Hwy 49 and Calif. Hwy 88 378 Comment
  UCR173837  Lupinus microcarpus var. densiflorus George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10300 Amador Northern Sierra Nevada Foothills, along Calif. Hwy 49, 0.3 mile south of Drytown 226 Comment
  UCR173995  Trifolium ciliolatum George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10327 Amador Northern Sierra Nevada foothills, Climax Road southwest of Pine Grove, 0.1 mile west of Calif. Hwy 88 701 Comment
  UCR173996  Triteleia laxa George K. Helmkamp, Elizabeth Helmkamp 2006-5-6 10313 Amador Northern Sierra Nevada foothills, middle of the city Jackson, 0.1 mile north of the junction of Calif. Hwy 49 and Calif. Hwy 88 378 Comment
  UCR173999  Cotinus coggygria George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-29 10804 Amador Northern Sierra Nevada foothills, northbound along Calif. Hwy 26, 0.6 mile past the North Fork of Mokelumne River 732 Comment
  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
  UCR174001  Vicia sativa subsp. sativa George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10336 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  UCR174002  Phacelia hastata var. hastata George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-29 10805 Amador Northern Sierra Nevada foothills, northbound along Calif. Hwy 26, 0.6 mile past the North Fork of Mokelumne River 732 Comment
  UCR174003  Clarkia williamsonii George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-29 10806 Amador Northern Sierra Nevada foothills, northbound along Calif. Hwy 26, 0.6 mile past the North Fork of Mokelumne River 732 Comment
  UCR174004  Grindelia hirsutula var. davyi George K. Helmkamp, Elizabeth A. Helmkamp 2006-6-29 10809 Amador Northern Sierra Nevada foothills, northbound along Calif. Hwy 26, 0.6 mile past the North Fork of Mokelumne River 732 Comment
  UCR174005  Calochortus monophyllus George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10337 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  UCR174006  Poa bulbosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10343 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  UCR174009  Lupinus bicolor George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10342 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  UCR174195  Festuca arundinacea George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10330 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  UCR174404  Melica bulbosa George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10340 Amador Northern Sierra Nevada foothills, Grass Valley Creek, 1.2 miles east of Pine Grove along Calif. Hwy 88 762 Comment
  UCR176287  Bromus carinatus George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10358 Amador Northern Sierra Nevada Foothills, Along Calif. Hwy 88, 0.9 mi. south of the El Dorado County line at Enterprise 274 Comment
  UCR176288  Sanicula bipinnatifida George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10353 Amador Northern Sierra Nevada Foothills, Along Calif. Hwy 88, 0.9 mi. south of the El Dorado County line at Enterprise 274 Comment
  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
  UCR176965  Arctostaphylos glauca George K. Helmkamp, Elizabeth Helmkamp 2006-5-9 10323 Amador Northern Sierra Nevada foothills, Climax Road southwest of Pine Grove, 0.1 mile west of Calif. Hwy 88 701 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
  UCR179554  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2006-10-6 11461 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 near Enterprise, 1.8 miles south of El Dorado Co. line 274 Comment
  UCR179555  Quercus douglasii George K. Helmkamp, E. A. Helmkamp 2006-10-6 11460 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 near Enterprise, 1.8 miles south of El Dorado Co. line 274 Comment
  UCR179567  Ailanthus altissima George K. Helmkamp, E. A. Helmkamp 2006-10-6 11465 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 near Enterprise, 1.8 miles south of El Dorado Co. line 274 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
  UCR179743  Typha angustifolia George K. Helmkamp, E. A. Helmkamp 2006-10-6 11469 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
  UCR179744  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2006-10-6 11468 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
  UCR179747  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2006-10-6 11464 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 near Enterprise, 1.8 miles south of El Dorado Co. line 274 Comment
  UCR179787  Leersia oryzoides George K. Helmkamp, E. A. Helmkamp 2006-10-6 11470 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
  UCR179788  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 2006-10-6 11479 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 1.1 miles south of Plymouth 314 Comment
  UCR179791  Oxalis corniculata George K. Helmkamp, E. A. Helmkamp 2006-10-6 11477 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 1.1 miles south of Plymouth 314 Comment
  UCR179817  Eriogonum nudum var. oblongifolium George K. Helmkamp, E. A. Helmkamp 2006-10-6 11462 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 near Enterprise, 1.8 miles south of El Dorado Co. line 274 Comment
  UCR179818  Conyza coulteri George K. Helmkamp, E. A. Helmkamp 2006-10-6 11472 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 beside Big Indian Creek; 2.2 miles south of El Dorado County line 271 Comment
  UCR179819  Eleusine tristachya George K. Helmkamp, E. A. Helmkamp 2006-10-6 11473 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 1.1 miles south of Plymouth 314 Comment
  UCR179820  Polygonum punctatum George K. Helmkamp, E. A. Helmkamp 2006-10-6 11471 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49 beside Big Indian Creek; 2.2 miles south of El Dorado County line 271 Comment
  UCR182142  Kickxia elatine George K. Helmkamp, E. A. Helmkamp 2006-10-23 11563 Amador Central Valley/ Northern Sierra Nevada Foothills, along Calif. Hwy 16, 0.2 mile east of Waits Station, southwest of Plymouth 305 Comment
  UCR182143  Asclepias fascicularis George K. Helmkamp, E. A. Helmkamp 2006-10-23 11561 Amador Central Valley/ Northern Sierra Nevada Foothills, along Calif. Hwy 16, 0.2 mile east of Waits Station, southwest of Plymouth 305 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
  UCR182147  Euphorbia nutans George K. Helmkamp, E. A. Helmkamp 2006-10-23 11566 Amador Central Valley/ Northern Sierra Nevada Foothills, along Calif. Hwy 16, 0.2 mile east of Waits Station, southwest of Plymouth 305 Comment
  UCR182148  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2006-10-23 11567 Amador Central Valley/ Northern Sierra Nevada Foothills, along Calif. Hwy 16, 0.2 mile east of Waits Station, southwest of Plymouth 305 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
  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
  UCR182282  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2006-10-23 11569 Amador Central Valley/ Northern Sierra Nevada Foothills, along Calif. Hwy 16, 0.2 mile east of Waits Station, southwest of Plymouth 305 Comment
  UCR182283  Lepidium latifolium George K. Helmkamp, E. A. Helmkamp 2006-10-23 11568 Amador Central Valley/ Northern Sierra Nevada Foothills, along Calif. Hwy 16, 0.2 mile east of Waits Station, southwest of Plymouth 305 Comment
  UCR182300  Euphorbia oblongata George K. Helmkamp, E. A. Helmkamp 2006-10-8 11500 Amador Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 26, 0.6 mile west of North Fork of the Mokelumne River 732 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
  UCR184849  Lolium perenne George K. Helmkamp, E. A. Helmkamp 2007-4-26 11819 Amador Foothills, northern Sierra Nevada Mountains, along Calif. E-16, 0.7 mile south of River Pines 610 Comment
  UCR184850  Petrorhagia dubia George K. Helmkamp, E. A. Helmkamp 2007-4-26 11820 Amador Foothills, northern Sierra Nevada Mountains, along Calif. E-16, 0.7 mile south of River Pines 610 Comment
  UCR184851  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2007-4-26 11818 Amador Foothills, northern Sierra Nevada Mountains, along Calif. E-16, 0.7 mile south of River Pines 610 Comment
  UCR184852  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2007-4-26 11821 Amador Foothills, northern Sierra Nevada Mountains, along Calif. E-16, 0.7 mile south of River Pines 610 Comment
  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
  UCR184854  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2007-4-26 11827 Amador Foothills, northern Sierra Nevada Mountains, along Calif. E-16, 0.7 mile south of River Pines 610 Comment
  UCR184855  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-4-26 11826 Amador Foothills, northern Sierra Nevada Mountains, along Calif. E-16, 0.7 mile south of River Pines 610 Comment
  UCR184856  Lupinus microcarpus var. microcarpus George K. Helmkamp, E. A. Helmkamp 2007-4-26 11825 Amador Foothills, northern Sierra Nevada Mountains, along Calif. E-16, 0.7 mile south of River Pines 610 Comment
  UCR184943  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2007-4-26 11830 Amador Foothills, northern Sierra Nevada Mountains, along Calif. E-16, 0.7 mile south of River Pines 610 Comment
  UCR184961  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2007-4-23 11801 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UCR184964  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2007-4-23 11802 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UCR184965  Parvisedum congdonii George K. Helmkamp, E. A. Helmkamp 2007-4-23 11812 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UCR184966  Pinus jeffreyi George K. Helmkamp, E. A. Helmkamp 2007-4-23 11800 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  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
  UCR184968  Triteleia laxa George K. Helmkamp, E. A. Helmkamp 2007-4-23 11805 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UCR184970  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2007-4-23 11807 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UCR184971  Gilia tricolor subsp. diffusa George 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
  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
  UCR184973  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 2007-4-23 11810 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UCR184975  Scleranthus annuus George K. Helmkamp, E. A. Helmkamp 2007-4-23 11813 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  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
  UCR184977  Lasthenia gracilis George K. Helmkamp, E. A. Helmkamp 2007-4-23 11815 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UCR184978  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2007-4-23 11816 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UCR184979  Rhamnus californica subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2007-4-23 11817 Amador Foothills, Northern Sierra Nevada Mountains, junction of Tonzi Road and Calif. Hwy 124 about 7 miles north of Ione 229 Comment
  UCR185217  Dodecatheon hendersonii George K. Helmkamp, E. A. Helmkamp 2007-4-23 11786 Amador Foothills, Northern Sierra Nevada Mountains, along Bell Road beside Plymouth Creek just east of Calif. Hwy 49 in the vicinity of Enterprise 302 Comment
  UCR185218  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2007-4-23 11785 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
  UCR185220  Vicia sativa subsp. sativa George K. Helmkamp, E. A. Helmkamp 2007-4-23 11784 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
  UCR185221  Yabea microcarpa George K. Helmkamp, E. A. Helmkamp 2007-4-23 11782 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
  UCR185222  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2007-4-23 11781 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
  UCR185223  Ranunculus hebecarpus George K. Helmkamp, E. A. Helmkamp 2007-4-23 11779 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
  UCR185224  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2007-4-23 11778 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
  UCR185225  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2007-4-23 11794 Amador Foothills, Northern Sierra Nevada Mountains, along Calif. Hwy 124, 0.25 mile from its junction with Hwy 16 252 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
  UCR185229  Nemophila menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2007-4-23 11791 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
  UCR185230  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2007-4-23 11790 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
  UCR185232  Plectritis ciliosa subsp. ciliosa George 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 302 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
  UCR185329  Claytonia parviflora subsp. parviflora George K. Helmkamp, E. A. Helmkamp 2007-4-23 11780 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
  UCR185331  Juglans californica var. hindsii George K. Helmkamp, E. A. Helmkamp 2007-4-23 11797 Amador Foothills, Northern Sierra Nevada Mountains, along Calif. Hwy 124, 0.25 mile from its junction with Hwy 16 252 Comment
  UCR187290  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2007-4-5 11733 Amador Foothills, Northern Sierra Nevada Mountains, Sutter to Ione Road, 0.4 mi east of CA-49, northeast of Ione 180 Comment
  UCR187291  Plectritis ciliosa subsp. ciliosa George K. Helmkamp, E. A. Helmkamp 2007-4-5 11732 Amador Foothills, Northern Sierra Nevada Mountains, Sutter to Ione Road, 0.4 mi east of CA-49, northeast of Ione 180 Comment
  UCR187292  Dodecatheon clevelandii subsp. patulum George K. Helmkamp, E. A. Helmkamp 2007-4-5 11731 Amador Foothills, Northern Sierra Nevada Mountains, Sutter to Ione Road, 0.4 mi east of CA-49, northeast of Ione 180 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
  UCR187294  Micropus californicus var. californicus George K. Helmkamp, E. A. Helmkamp 2007-4-5 11735 Amador Foothills, Northern Sierra Nevada Mountains, Sutter to Ione Road, 0.4 mi east of CA-49, northeast of Ione 180 Comment
  UCR187295  Ranunculus californicus George K. Helmkamp, E. A. Helmkamp 2007-4-5 11734 Amador Foothills, Northern Sierra Nevada Mountains, Sutter to Ione Road, 0.4 mi east of CA-49, northeast of Ione 180 Comment
  UCR187296  Vicia villosa subsp. villosa George K. Helmkamp, E. A. Helmkamp 2007-4-5 11746 Amador Foothills, Northern Sierra Nevada Mountains, along CA-49, 0.2 mile west of Amador City 309 Comment
  UCR187299  Castilleja attenuata George K. Helmkamp, E. A. Helmkamp 2007-4-5 11742 Amador Foothills, Northern Sierra Nevada Mountains, along CA-49, 0.2 mile west of Amador City 309 Comment
  UCR187300  Phacelia cicutaria var. cicutaria George K. Helmkamp, E. A. Helmkamp 2007-4-5 11743 Amador Foothills, Northern Sierra Nevada Mountains, along CA-49, 0.2 mile west of Amador City 309 Comment
  UCR187301  Lupinus microcarpus var. densiflorus George K. Helmkamp, E. A. Helmkamp 2007-4-5 11744 Amador Foothills, Northern Sierra Nevada Mountains, along CA-49, 0.2 mile west of Amador City 309 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
  UCR187303  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
  UCR187521  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2007-4-5 11749 Amador Foothills, Northern Sierra Nevada Mountains, along CA-49, 0.2 mile west of Amador City 309 Comment
  UCR188473  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2007-7-17 12520 Amador Northern Sierra Nevada Mountains, along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake 2317 Comment
  UCR188475  Ligusticum grayi George K. Helmkamp, E. A. Helmkamp 2007-7-17 12517 Amador Northern Sierra Nevada Mountains, along CA-88, 0.7 mile north of its junction with Mormon Emigrant Trail; Shot Rock trailhead 2325 Comment
  UCR188476  Potentilla gracilis var. fastigiata George K. Helmkamp, E. A. Helmkamp 2007-7-17 12528 Amador Northern Sierra Nevada Mountains, along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake 2317 Comment
  UCR188477  Cryptantha echinella George 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
  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
  UCR188479  Carex athrostachya George K. Helmkamp, E. A. Helmkamp 2007-7-17 12525 Amador Northern Sierra Nevada Mountains, along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake 2317 Comment
  UCR188480  Phleum alpinum George K. Helmkamp, E. A. Helmkamp 2007-7-17 12524 Amador Northern Sierra Nevada Mountains, along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake 2317 Comment
  UCR188505  Perideridia lemmonii George K. Helmkamp, E. A. Helmkamp 2007-7-17 12522 Amador Northern Sierra Nevada Mountains, along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake 2317 Comment
  UCR188506  Castilleja tenuis George 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 2317 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
  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
  UCR188509  Allium validum George K. Helmkamp, E. A. Helmkamp 2007-7-17 12519 Amador Northern Sierra Nevada Mountains, along CA-88 at Martin Meadow, 2.2 miles north of Silver Lake 2317 Comment
  UCR188510  Erigeron breweri George K. Helmkamp, E. A. Helmkamp 2007-7-17 12514 Amador Northern Sierra Nevada Mountains, along CA-88, 0.7 mile north of its junction with Mormon Emigrant Trail; Shot Rock trailhead 2325 Comment
  UCR188713  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2007-7-17 12516 Amador Northern Sierra Nevada Mountains, along CA-88, 0.7 mile north of its junction with Mormon Emigrant Trail; Shot Rock trailhead 2325 Comment
  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
  UCR188875  Quercus chrysolepis George K. Helmkamp, E. A. Helmkamp 2007-9-4 12899 Amador Northern Sierra Nevada Mountains Foothills, Climax Road 0.8 mile west of its junction with CA-88 701 Comment
  UCR188876  Quercus chrysolepis George K. Helmkamp, E. A. Helmkamp 2007-9-4 12898 Amador Northern Sierra Nevada Mountains Foothills, Climax Road 0.8 mile west of its junction with CA-88 701 Comment
  UCR189052  Juglans californica var. hindsii George K. Helmkamp, E. A. Helmkamp 2007-9-4 12899 A Amador Northern Sierra Nevada Mountains Foothills, Climax Road 0.8 mile west of its junction with CA-88 701 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
  UCR189425  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2007-8-16 12748 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail 2172 Comment
  UCR189426  Aster occidentalis var. occidentalis George K. Helmkamp, E. A. Helmkamp 2007-8-16 12764 Amador Northern Sierra Nevada Mountains, along the south side of Bear River Reservoir just east of the spillway 1777 Comment
  UCR189427  Senecio triangularis George K. Helmkamp, E. A. Helmkamp 2007-8-16 12765 Amador Northern Sierra Nevada Mountains, along the south side of Bear River Reservoir just east of the spillway 1777 Comment
  UCR189432  Chenopodium botrys George K. Helmkamp, E. A. Helmkamp 2007-8-16 12772 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 0.9 mile northeast of the junction with Bear River Reservoir Road 2076 Comment
  UCR189433  Gnaphalium canescens subsp. thermale George K. Helmkamp, E. A. Helmkamp 2007-8-16 12773 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 0.9 mile northeast of the junction with Bear River Reservoir Road 2076 Comment
  UCR189463  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2007-8-16 12741 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail 2172 Comment
  UCR189474  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2007-3-17 11642 Amador Sacramento Valley/ Sierra Nevada Foothills, Hwy CA-24, 3.2 mi southwest of Plymouth near Tonzi Road 210 Comment
  UCR189484  Claytonia perfoliata George 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
  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
  UCR189486  Ceanothus cuneatus subsp. cuneatus George 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
  UCR189487  Arctostaphylos viscida subsp. viscida George K. Helmkamp, E. A. Helmkamp 2007-3-17 11644 Amador Eastern Sacramento Valley, Buena Vista Road, 0.3 mile north of Buena Vista 104 Comment
  UCR189488  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2007-3-17 11645 Amador Eastern Sacramento Valley, Buena Vista Road, 0.3 mile north of Buena Vista 104 Comment
  UCR189513  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2007-8-16 12753 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 3.5 miles south of its junction with Mormon Emigrant Trail 2146 Comment
  UCR189514  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2007-8-16 12751 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 3.5 miles south of its junction with Mormon Emigrant Trail 2146 Comment
  UCR189516  Madia glomerata George 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
  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
  UCR189521  Galium triflorum George K. Helmkamp, E. A. Helmkamp 2007-8-16 12758 Amador Northern Sierra Nevada Mountains, along the south side of Bear River Reservoir just east of the spillway 1777 Comment
  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
  UCR190142  Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2007-9-4 12893 Amador Northern Sierra Nevada Mountains, along CA-88 at Mile-49, 3.1 miles east of Hams Station 1860 Comment
  UCR190144  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2007-9-4 12902 Amador Northern Sierra Nevada Mountains Foothills, along CA-49 south of Drytown and near the crossing of Sutter Creek 241 Comment
  UCR190208  Pinus ponderosa George K. Helmkamp, E. A. Helmkamp 2007-9-4 12897 Amador Northern Sierra Nevada Mountains, west slope, along CA-88 6.2 miles west of Hams Station 1375 Comment
  UCR190209  Aster foliaceus var. parryi George K. Helmkamp, E. A. Helmkamp 2007-9-4 12890 Amador Northern Sierra Nevada Mountains, along CA-88 at Mile-49, 3.1 miles east of Hams Station 1860 Comment
  UCR190210  Gilia sinistra subsp. sinistra George K. Helmkamp, E. A. Helmkamp 2007-9-4 12892 Amador Northern Sierra Nevada Mountains, along CA-88 at Mile-49, 3.1 miles east of Hams Station 1860 Comment
  UCR190549  Aquilegia formosa George K. Helmkamp 2007-6-29 12449 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.1 mile east of Carson Spur summit 2424 Comment
  UCR190550  Ribes viscosissimum George K. Helmkamp 2007-6-29 12450 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.1 mile east of Carson Spur summit 2424 Comment
  UCR190551  Carex athrostachya George K. Helmkamp 2007-6-29 12436 Amador Northern Sierra Nevada Mountains, Kirkwood Meadows about one mile west of Kirkwood and 0.1 mile south of CA-88 2317 Comment
  UCR190552  Lupinus fulcratus George K. Helmkamp 2007-6-29 12459 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.2 mile west of Carson Spur summit 2421 Comment
  UCR190553  Erigeron peregrinus George K. Helmkamp 2007-6-29 12458 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.2 mile west of Carson Spur summit 2421 Comment
  UCR190554  Arnica fulgens George K. Helmkamp 2007-6-29 12457 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.2 mile west of Carson Spur summit 2421 Comment
  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
  UCR190556  Achillea millefolium George K. Helmkamp 2007-6-29 12455 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.2 mile west of Carson Spur summit 2421 Comment
  UCR190559  Leptodactylon pungens George K. Helmkamp 2007-6-29 12416 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
  UCR190561  Veratrum californicum var. californicum George K. Helmkamp 2007-6-29 12437 Amador Northern Sierra Nevada Mountains, Kirkwood Meadows about one mile west of Kirkwood and 0.1 mile south of CA-88 2317 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
  UCR190565  Heracleum maximum George K. Helmkamp 2007-6-29 12439 Amador Northern Sierra Nevada Mountains, Kirkwood Meadows about one mile west of Kirkwood and 0.1 mile south of CA-88 2317 Comment
  UCR190566  Penstemon newberryi var. newberryi George K. Helmkamp 2007-6-29 12414 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
  UCR190567  Poa cusickii George K. Helmkamp 2007-6-29 12438 Amador Northern Sierra Nevada Mountains, Kirkwood Meadows about one mile west of Kirkwood and 0.1 mile south of CA-88 2317 Comment
  UCR190568  Arabis glabra var. glabra George K. Helmkamp 2007-6-29 12441 Amador Northern Sierra Nevada Mountains, Kirkwood Meadows about one mile west of Kirkwood and 0.1 mile south of CA-88 2317 Comment
  UCR190570  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2007-9-4 12889 Amador Northern Sierra Nevada Mountains, along CA-88 at Mile-49, 3.1 miles east of Hams Station 1860 Comment
  UCR190571  Madia elegans subsp. elegans George K. Helmkamp, E. A. Helmkamp 2007-9-4 12891 Amador Northern Sierra Nevada Mountains, along CA-88 at Mile-49, 3.1 miles east of Hams Station 1860 Comment
  UCR190669  Chenopodium botrys George 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
  UCR190671  Juncus effusus var. exiguus George 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
  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
  UCR190674  Delphinium nuttallianum George K. Helmkamp 2007-6-29 12424 Amador Northern Sierra Nevada Mountains, Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake 2244 Comment
  UCR190675  Castilleja applegatei George K. Helmkamp 2007-6-29 12425 Amador Northern Sierra Nevada Mountains, Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake 2244 Comment
  UCR190676  Calyptridium monospermum George K. Helmkamp 2007-6-29 12426 Amador Northern Sierra Nevada Mountains, Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake 2244 Comment
  UCR190677  Ribes viscosissimum George K. Helmkamp 2007-6-29 12427 Amador Northern Sierra Nevada Mountains, Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake 2244 Comment
  UCR190678  Phacelia hastata var. hastata George K. Helmkamp 2007-6-29 12428 Amador Northern Sierra Nevada Mountains, Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake 2244 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
  UCR190708  Gayophytum diffusum subsp. parviflorum George K. Helmkamp 2007-6-29 12433 Amador Northern Sierra Nevada Mountains, Kirkwood Meadows about one mile west of Kirkwood and 0.1 mile south of CA-88 2317 Comment
  UCR190710  Penstemon rydbergii var. oreocharis George K. Helmkamp 2007-6-29 12440 Amador Northern Sierra Nevada Mountains, Kirkwood Meadows about one mile west of Kirkwood and 0.1 mile south of CA-88 2317 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
  UCR190719  Agrostis variabilis George K. Helmkamp 2007-6-29 12435 Amador Northern Sierra Nevada Mountains, Kirkwood Meadows about one mile west of Kirkwood and 0.1 mile south of CA-88 2317 Comment
  UCR190843  Lupinus fulcratus George K. Helmkamp 2007-6-29 12430 Amador Northern Sierra Nevada Mountains, Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake 2244 Comment
  UCR190844  Penstemon roezlii George K. Helmkamp 2007-6-29 12431 Amador Northern Sierra Nevada Mountains, Sandy Cove picnic area southeast of CA-88 beside the west edge of Silver Lake 2244 Comment
  UCR191112  Eragrostis pectinacea var. miserrima George K. Helmkamp, E. A. Helmkamp 2007-8-26 12818 Amador Northern Sierra Nevada Mountains Foothills, along Hwy CA-49 at the south end of Plymouth 323 Comment
  UCR191114  Tribulus terrestris George K. Helmkamp, E. A. Helmkamp 2007-8-26 12820 Amador Northern Sierra Nevada Mountains Foothills, along Hwy CA-49 at the south end of Plymouth 323 Comment
  UCR191115  Spergularia rubra George K. Helmkamp, E. A. Helmkamp 2007-8-26 12821 Amador Northern Sierra Nevada Mountains Foothills, along Hwy CA-49 at the south end of Plymouth 323 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
  UCR191118  Centaurium muehlenbergii George 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
  UCR191125  Phacelia hastata var. hastata George 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 2146 Comment
  UCR191126  Muhlenbergia filiformis George K. Helmkamp, E. A. Helmkamp 2007-8-16 12768 Amador Northern Sierra Nevada Mountains, along the south side of Bear River Reservoir just east of the spillway 1777 Comment
  UCR191129  Aster foliaceus var. parryi George K. Helmkamp, E. A. Helmkamp 2007-8-16 12747 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail 2172 Comment
  UCR191130  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2007-8-16 12746 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail 2172 Comment
  UCR191137  Leersia oryzoides George K. Helmkamp, E. A. Helmkamp 2007-8-26 12814 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
  UCR191138  Crypsis schoenoides George K. Helmkamp, E. A. Helmkamp 2007-8-26 12815 Amador Northern Sierra Nevada Mountains Foothills, along Hwy CA-49 at the south end of Plymouth 323 Comment
  UCR191139  Epilobium hornemannii subsp. hornemannii George K. Helmkamp, E. A. Helmkamp 2007-8-26 12811 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
  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
  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
  UCR191142  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2007-8-26 12816 Amador Northern Sierra Nevada Mountains Foothills, along Hwy CA-49 at the south end of Plymouth 323 Comment
  UCR191153  Madia glomerata George K. Helmkamp, E. A. Helmkamp 2007-8-16 12742 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail 2172 Comment
  UCR191155  Agrostis exarata George K. Helmkamp, E. A. Helmkamp 2007-8-16 12744 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.0 mile south of the junction with Mormon Emigrant Trail 2172 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
  UCR194695  Dittrichia graveolens George K. Helmkamp, E. A. Helmkamp 2007-10-13 13099 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
  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
  UCR194979  Atriplex canescens subsp. canescens George K. Helmkamp, E. A. Helmkamp 2007-10-13 13102 Amador Northern Sierra Nevada Mountains Foothills, along Hwy CA-49, 0.6 mile south of Plymouth 314 Comment
  UCR196763  Woodsia oregana George K. Helmkamp 2008-6-17 13690 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
  UCR196773  Sanicula tuberosa George K. Helmkamp 2008-6-17 13663 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UCR196774  Gilia leptalea subsp. leptalea George K. Helmkamp 2008-6-17 13664 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 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
  UCR196783  Calyptridium monospermum George K. Helmkamp 2008-6-17 13698 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
  UCR196784  Penstemon roezlii George K. Helmkamp 2008-6-17 13674 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UCR196787  Saxifraga aprica George K. Helmkamp 2008-6-17 13689 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
  UCR196788  Streptanthus tortuosus var. tortuosus George K. Helmkamp 2008-6-17 13669 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  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
  UCR196820  Nemophila maculata George K. Helmkamp 2008-6-17 13688 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
  UCR196821  Lotus nevadensis var. nevadensis George K. Helmkamp 2008-6-17 13678 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UCR196829  Phlox gracilis George K. Helmkamp 2008-6-17 13671 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UCR196830  Dicentra formosa George K. Helmkamp 2008-6-17 13686 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road along the south side of Bear River Reservoir 1797 Comment
  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
  UCR196833  Juncus George K. Helmkamp 2008-6-17 13683 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road along the south side of Bear River Reservoir 1797 Comment
  UCR196847  Poa cusickii George K. Helmkamp 2008-6-17 13682 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road along the south side of Bear River Reservoir 1797 Comment
  UCR196848  Senecio integerrimus var. major George K. Helmkamp 2008-6-17 13677 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 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
  UCR196850  Mimulus tilingii George K. Helmkamp 2008-6-17 13680 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UCR196851  Linum lewisii var. lewisii George K. Helmkamp 2008-6-17 13673 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UCR196855  Triteleia ixioides subsp. anilina George K. Helmkamp 2008-6-17 13666 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UCR196860  Deschampsia elongata George K. Helmkamp 2008-6-17 13701 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
  UCR196868  Gayophytum diffusum subsp. parviflorum George K. Helmkamp 2008-6-17 13667 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UCR196920  Viola macloskeyi George K. Helmkamp 2008-6-17 13695 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
  UCR196921  Veronica serpyllifolia subsp. humifusa George K. Helmkamp 2008-6-17 13692 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
  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
  UCR197011  Viola glabella George K. Helmkamp 2008-6-17 13696 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
  UCR197044  Carex tumulicola George K. Helmkamp 2008-6-17 13697 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
  UCR197289  Viola pinetorum subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2008-6-23 13722 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
  UCR197291  Lithophragma tenellum George K. Helmkamp, E. A. Helmkamp 2008-6-23 13739 Amador Northern Sierra Nevada Mountains, Dufrene Road, 1.5 miles south of its junction with CA-88, jct. between Mormon Emigrant Trail and Bear Valley Reservoir Road 2021 Comment
  UCR197293  Helianthella californica George K. Helmkamp, E. A. Helmkamp 2008-6-23 13736 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
  UCR197294  Senecio integerrimus George K. Helmkamp, E. A. Helmkamp 2008-6-23 13721 Amador Northern Sierra Nevada Mountains, Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 Comment
  UCR197295  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2008-6-23 13734 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
  UCR197299  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2008-6-23 13724 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
  UCR197300  Viola macloskeyi George K. Helmkamp, E. A. Helmkamp 2008-6-23 13723 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
  UCR197302  Arenaria kingii var. glabrescens George K. Helmkamp, E. A. Helmkamp 2008-7-11 13785 Amador Northern Sierra Nevada Mountains, Shot Rock Vista picnic area on the south side of CA-88, 0.9 mile east of the junction of Mormon Emigrant Trail 2329 Comment
  UCR197309  Deschampsia danthonioides George K. Helmkamp, E. A. Helmkamp 2008-6-9 13629 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.1 mile south of its junction with CA-88, jct. is 4.0 miles east of Cook's Station 1652 Comment
  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
  UCR197327  Monardella odoratissima subsp. pallida George K. Helmkamp, E. A. Helmkamp 2008-7-11 13787 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.2 mile west of Carson Spur Summit 2421 Comment
  UCR197328  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2008-7-11 13789 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.2 mile west of Carson Spur Summit 2421 Comment
  UCR197329  Penstemon rydbergii var. oreocharis George K. Helmkamp, E. A. Helmkamp 2008-7-11 13786 Amador Northern Sierra Nevada Mountains, Shot Rock Vista picnic area on the south side of CA-88, 0.9 mile east of the junction of Mormon Emigrant Trail 2329 Comment
  UCR197342  Lupinus fulcratus George K. Helmkamp, E. A. Helmkamp 2008-7-11 13790 Amador Northern Sierra Nevada Mountains, south side of CA-88, 0.2 mile west of Carson Spur Summit 2421 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
  UCR197349  Polygonum polygaloides subsp. kelloggii George K. Helmkamp, E. A. Helmkamp 2008-6-23 13740 Amador Northern Sierra Nevada Mountains, Dufrene Road, 1.5 miles south of its junction with CA-88, jct. between Mormon Emigrant Trail and Bear Valley Reservoir Road 2021 Comment
  UCR197351  Cryptantha affinis George K. Helmkamp, E. A. Helmkamp 2008-6-23 13720 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
  UCR197352  Linanthus ciliatus George K. Helmkamp, E. A. Helmkamp 2008-6-23 13735 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
  UCR197354  Hypericum anagalloides George K. Helmkamp, E. A. Helmkamp 2008-6-23 13725 Amador Northern Sierra Nevada Mountains, Dufrene Road, 1.1 miles south of its junction with CA-88 (jct. is between Mormon Emigrant Trail and Bear River Reservoir Road), c. 2 miles (air) north of the west end of Lower Bear River Reservoir 2055 Comment
  UCR197355  Gilia leptalea subsp. bicolor George K. Helmkamp, E. A. Helmkamp 2008-6-23 13715 Amador Northern Sierra Nevada Mountains, Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 Comment
  UCR197356  Gayophytum humile George K. Helmkamp 2008-6-17 13660 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UCR197359  Lupinus angustiflorus George K. Helmkamp, E. A. Helmkamp 2008-6-23 13738 Amador Northern Sierra Nevada Mountains, Dufrene Road, 1.5 miles south of its junction with CA-88, jct. between Mormon Emigrant Trail and Bear Valley Reservoir Road 2021 Comment
  UCR197361  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2008-6-23 13719 Amador Northern Sierra Nevada Mountains, Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 Comment
  UCR197529  Dudleya cymosa subsp. cymosa George K. Helmkamp, E. A. Helmkamp 2008-5-8 13429 Amador Sierra Nevada Mountains Foothills, along CA-26, 1.0 mile west of the Calaveras County line 709 Comment
  UCR197532  Mimulus layneae George K. Helmkamp, E. A. Helmkamp 2008-6-23 13708 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
  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
  UCR197547  Agrostis idahoensis George K. Helmkamp, E. A. Helmkamp 2008-7-16 13848 Amador Northern Sierra Nevada Mountains, along CA-88 at Kirkwood 2348 Comment
  UCR197548  Allium campanulatum George K. Helmkamp, E. A. Helmkamp 2008-6-23 13712 Amador Northern Sierra Nevada Mountains, Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 Comment
  UCR197549  Plagiobothrys cognatus George K. Helmkamp, E. A. Helmkamp 2008-6-23 13710 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
  UCR197551  Sidalcea glaucescens George K. Helmkamp, E. A. Helmkamp 2008-6-23 13713 Amador Northern Sierra Nevada Mountains, Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 Comment
  UCR197552  Castilleja campestris subsp. campestris George K. Helmkamp, E. A. Helmkamp 2008-6-23 13709 Amador Northern Sierra Nevada Mountains, Dufrene Road, 0.1 mile south of its junction with CA-88, between Mormon Emigrant Trail and Hamms Station 2076 Comment
  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
  UCR197568  Juncus chlorocephalus George K. Helmkamp, E. A. Helmkamp 2008-6-23 13707 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
  UCR197570  Dactylis glomerata George K. Helmkamp, E. A. Helmkamp 2008-6-23 13733 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
  UCR197586  Linanthus ciliatus George K. Helmkamp 2008-6-17 13661 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UCR197599  Wyethia mollis George K. Helmkamp, E. A. Helmkamp 2008-6-23 13741 Amador Northern Sierra Nevada Mountains, Dufrene Road, 1.5 miles south of its junction with CA-88, jct. between Mormon Emigrant Trail and Bear Valley Reservoir Road 2021 Comment
  UCR197602  Rorippa curvisiliqua George K. Helmkamp, E. A. Helmkamp 2008-6-23 13732 Amador Northern Sierra Nevada Mountains, Dufrene Road, 1.1 miles south of its junction with CA-88 (jct. is between Mormon Emigrant Trail and Bear River Reservoir Road), c. 2 miles (air) north of the west end of Lower Bear River Reservoir 2055 Comment
  UCR197611  Spergularia rubra George K. Helmkamp, E. A. Helmkamp 2008-6-23 13731 Amador Northern Sierra Nevada Mountains, Dufrene Road, 1.1 miles south of its junction with CA-88 (jct. is between Mormon Emigrant Trail and Bear River Reservoir Road), c. 2 miles (air) north of the west end of Lower Bear River Reservoir 2055 Comment
  UCR197612  Triteleia ixioides subsp. anilina George K. Helmkamp, E. A. Helmkamp 2008-6-23 13730 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
  UCR197627  Elymus glaucus George K. Helmkamp 2008-6-17 13659 Amador Northern Sierra Nevada Mountains, Bear River Reservoir Road, 0.1 mile south of its junction with CA-88 1991 Comment
  UCR197632  Mimulus bicolor George K. Helmkamp, E. A. Helmkamp 2008-6-9 13618 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
  UCR197633  Linanthus ciliatus George K. Helmkamp, E. A. Helmkamp 2008-6-9 13623 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
  UCR197634  Madia minima George K. Helmkamp, E. A. Helmkamp 2008-6-9 13624 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
  UCR197635  Calochortus coeruleus George K. Helmkamp, E. A. Helmkamp 2008-6-9 13625 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
  UCR197636  Lotus oblongifolius George K. Helmkamp, E. A. Helmkamp 2008-6-9 13634 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
  UCR197639  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2008-6-9 13632 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
  UCR197641  Stipa lemmonii George K. Helmkamp, E. A. Helmkamp 2008-6-9 13617 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
  UCR197648  Arabidopsis thaliana George K. Helmkamp, E. A. Helmkamp 2008-6-9 13640 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
  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
  UCR197669  Viola pinetorum subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2008-6-9 13626 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
  UCR197799  Fritillaria micrantha George K. Helmkamp, E. A. Helmkamp 2008-6-9 13622 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
  UCR197800  Zigadenus paniculatus George K. Helmkamp, E. A. Helmkamp 2008-6-9 13628 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
  UCR197801  Carex hassei George K. Helmkamp, E. A. Helmkamp 2008-6-23 13726 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
  UCR197806  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 1607 Comment
  UCR197809  Senecio integerrimus var. major George K. Helmkamp, E. A. Helmkamp 2008-6-9 13630 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
  UCR197814  Vicia villosa subsp. varia George K. Helmkamp, E. A. Helmkamp 2008-5-8 13431 Amador Sierra Nevada Mountains Foothills, along CA-26, 1.0 mile west of the Calaveras County line 709 Comment
  UCR197816  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2008-7-16 13850 Amador Northern Sierra Nevada Mountains, along CA-88 at Kirkwood 2348 Comment
  UCR197825  Mimulus breweri George K. Helmkamp, E. A. Helmkamp 2008-7-16 13847 Amador Northern Sierra Nevada Mountains, along CA-88 at Kirkwood 2348 Comment
  UCR197832  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2008-6-9 13620 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.1 mile south of its junction with CA-88, jct. is 4.0 miles east of Cook's Station 1652 Comment
  UCR198451  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 2008-3-12 13167 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.7 miles south of its junction with CA-49 just south of Jackson 345 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
  UCR198453  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2008-3-12 13165 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.7 miles south of its junction with CA-49 just south of Jackson 345 Comment
  UCR198454  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2008-3-12 13148 Amador Foothills, northern Sierra Nevada Mountains, 0.2 mile east of the junction of Bell Road and CA-49 at Enterprise; junction of Plymouth and Pigeon Creeks 259 Comment
  UCR198455  Ranunculus californicus George K. Helmkamp, E. A. Helmkamp 2008-3-12 13149 Amador Foothills, northern Sierra Nevada Mountains, 0.2 mile east of the junction of Bell Road and CA-49 at Enterprise; junction of Plymouth and Pigeon Creeks 259 Comment
  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
  UCR198459  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2008-3-12 13153 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.2 miles south of its junction with CA-49 at Scottsville 229 Comment
  UCR198461  Salix lasiolepis George K. Helmkamp, E. A. Helmkamp 2008-3-12 13150 Amador Foothills, northern Sierra Nevada Mountains, 0.2 mile east of the junction of Bell Road and CA-49 at Enterprise; junction of Plymouth and Pigeon Creeks 259 Comment
  UCR198464  Brassica rapa George K. Helmkamp, E. A. Helmkamp 2008-3-12 13174 Amador Sierra Nevada Mountains Foothills, Previtali Road, 4.1 miles east of its junction with CA-88 which is about 5 miles east of Jackson 509 Comment
  UCR198465  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2008-3-12 13175 Amador Sierra Nevada Mountains Foothills, along Tonzi Road 0.3 miles west of its junction with CA-49, west of Sutter Creek 360 Comment
  UCR198466  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2008-3-12 13171 Amador Sierra Nevada Mountains Foothills, along Tonzi Road 0.3 miles west of its junction with CA-49, west of Sutter Creek 360 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
  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
  UCR198470  Stellaria media George K. Helmkamp, E. A. Helmkamp 2008-3-12 13164 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.7 miles south of its junction with CA-49 just south of Jackson 345 Comment
  UCR198471  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2008-3-12 13163 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.7 miles south of its junction with CA-49 just south of Jackson 345 Comment
  UCR198472  Veronica persica George K. Helmkamp, E. A. Helmkamp 2008-3-12 13162 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.7 miles south of its junction with CA-49 just south of Jackson 345 Comment
  UCR198473  Pityrogramma triangularis George K. Helmkamp, E. A. Helmkamp 2008-3-12 13161 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.2 miles south of its junction with CA-49 at Scottsville 229 Comment
  UCR198475  Sanicula crassicaulis George K. Helmkamp, E. A. Helmkamp 2008-3-12 13169 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.7 miles south of its junction with CA-49 just south of Jackson 345 Comment
  UCR198476  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2008-3-12 13176 Amador Sierra Nevada Mountains Foothills, along Tonzi Road 0.3 miles west of its junction with CA-49, west of Sutter Creek 360 Comment
  UCR198477  Claytonia parviflora subsp. parviflora George K. Helmkamp, E. A. Helmkamp 2008-3-12 13156 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.2 miles south of its junction with CA-49 at Scottsville 229 Comment
  UCR198478  Stellaria media George K. Helmkamp, E. A. Helmkamp 2008-3-12 13159 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.2 miles south of its junction with CA-49 at Scottsville 229 Comment
  UCR198485  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2008-5-4 13388 A Amador Sierra Nevada Mountains Foothills, along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir 774 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
  UCR198487  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2008-5-4 13376 Amador Sierra Nevada Mountains, Barton, c. 15 miles (air) NE of Jackson, at the junction of Tiger Creek Road and Black Prince Road, 0.6 mil east of the junction of Tiger Creek Road with CA-88 936 Comment
  UCR198488  Plagiobothrys stipitatus var. micranthus George K. Helmkamp, E. A. Helmkamp 2008-5-4 13378 Amador Sierra Nevada Mountains, Barton, c. 15 miles (air) NE of Jackson, at the junction of Tiger Creek Road and Black Prince Road, 0.6 mil east of the junction of Tiger Creek Road with CA-88 936 Comment
  UCR198489  Limnanthes alba subsp. alba George K. Helmkamp, E. A. Helmkamp 2008-5-4 13379 Amador Sierra Nevada Mountains, Barton, c. 15 miles (air) NE of Jackson, at the junction of Tiger Creek Road and Black Prince Road, 0.6 mil east of the junction of Tiger Creek Road with CA-88 936 Comment
  UCR198490  Madia George K. Helmkamp, E. A. Helmkamp 2008-5-4 13380 Amador Sierra Nevada Mountains, Barton, c. 15 miles (air) NE of Jackson, at the junction of Tiger Creek Road and Black Prince Road, 0.6 mil east of the junction of Tiger Creek Road with CA-88 936 Comment
  UCR198491  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2008-5-4 13385 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
  UCR198492  Potentilla glandulosa George K. Helmkamp, E. A. Helmkamp 2008-5-4 13390 Amador Sierra Nevada Mountains Foothills, along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir 774 Comment
  UCR198493  Asclepias cordifolia George K. Helmkamp, E. A. Helmkamp 2008-5-4 13392 Amador Sierra Nevada Mountains Foothills, along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir 774 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
  UCR198496  Castilleja applegatei subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2008-5-4 13394 Amador Sierra Nevada Mountains Foothills, along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir 774 Comment
  UCR198497  Calochortus monophyllus George K. Helmkamp, E. A. Helmkamp 2008-5-4 13393 Amador Sierra Nevada Mountains Foothills, along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir 774 Comment
  UCR198498  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
  UCR198499  Cystopteris fragilis George K. Helmkamp, E. A. Helmkamp 2008-5-4 13388 Amador Sierra Nevada Mountains Foothills, along Tiger Creek Road, 0.3 mi east of the turnoff to Tiger Creek Reservoir 774 Comment
  UCR198500  Prunus avium George K. Helmkamp, E. A. Helmkamp 2008-5-4 13382 Amador Sierra Nevada Mountains, Barton, c. 15 miles (air) NE of Jackson, at the junction of Tiger Creek Road and Black Prince Road, 0.6 mil east of the junction of Tiger Creek Road with CA-88 936 Comment
  UCR198501  Lupinus microcarpus George K. Helmkamp, E. A. Helmkamp 2008-5-4 13399 Amador Sierra Nevada Mountains Foothills, along CA-49, 0.1 mile north of Drytown 200 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
  UCR198537  Festuca myuros var. hirsuta George K. Helmkamp, E. A. Helmkamp 2008-3-12 13160 Amador Sierra Nevada Mountains Foothills, Middle Bar Road, 3.2 miles south of its junction with CA-49 at Scottsville 229 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
  UCR198559  Quercus chrysolepis George K. Helmkamp, E. A. Helmkamp 2008-5-4 13384 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
  UCR198565  Poa secunda subsp. juncifolia George K. Helmkamp, E. A. Helmkamp 2008-6-9 13621 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
  UCR199057  Poa bulbosa George 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 to Tiger Creek Reservoir 744 Comment
  UCR200893  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2008-8-30 14057 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
  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
  UCR200898  Symphoricarpos rotundifolius var. rotundifolius George K. Helmkamp, E. A. Helmkamp 2008-8-30 14064 Amador Northern Sierra Nevada Mountains, along Cole Creek Road near the crossing of Cole Creek 6.8 miles east of the Bear River Reservoir dam 1857 Comment
  UCR200903  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2008-8-30 14056 Amador Northern Sierra Nevada Mountains, along Cole Creek Road near the crossing of Cole Creek 6.8 miles east of the Bear River Reservoir dam 1857 Comment
  UCR200904  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2008-8-30 14059 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
  UCR200907  Dryopteris filix-mas George K. Helmkamp, E. A. Helmkamp 2008-8-30 14062 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
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Mar 13 2018
  UCR200908  Helenium bigelovii George K. Helmkamp, E. A. Helmkamp 2008-8-30 14063 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
  UCR201525  Epilobium densiflorum George K. Helmkamp, E. A. Helmkamp 2008-9-28 14173 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
  UCR201526  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2008-9-28 14172 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
  UCR201537  Quercus lobata George K. Helmkamp, E. A. Helmkamp 2008-9-28 14166 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
  UCR201538  Mentha spicata var. spicata George K. Helmkamp, E. A. Helmkamp 2008-9-28 14170 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
  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
  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
  UCR201542  Psoralea physodes George K. Helmkamp, E. A. Helmkamp 2008-9-28 14164 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
  UCR201543  Xanthium strumarium George K. Helmkamp, E. A. Helmkamp 2008-9-28 14169 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
  UCR201721  Solidago occidentalis George K. Helmkamp, E. A. Helmkamp 2008-10-23 14282 Amador San Joaquin Valley, unnamed dirt road 0.1 mile west of Buena Vista Road, 1.9 miles north of Jackson Valley Road 128 Comment
  UCR201724  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2008-10-23 14277 Amador San Joaquin Valley, Comanche Parkway 0.1 mile east of the junction with Coal Mine Road, north of Comanche Reservoir 137 Comment
  UCR201730  Euphorbia serpillifolia George K. Helmkamp, E. A. Helmkamp 2008-10-23 14278 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
  UCR201731  Verbena litoralis George K. Helmkamp, E. A. Helmkamp 2008-10-23 14276 Amador San Joaquin Valley, 0.3 mile north of the gated entrance to the North Shore Residence area of Comanche Reservoir 76 Comment
  UCR201735  Solidago occidentalis George K. Helmkamp, E. A. Helmkamp 2008-10-23 14281 Amador San Joaquin Valley, unnamed dirt road 0.1 mile west of Buena Vista Road, 1.9 miles north of Jackson Valley Road 128 Comment
  UCR201736  Baccharis pilularis George K. Helmkamp, E. A. Helmkamp 2008-10-23 14273 Amador San Joaquin Valley, junction of Buena Vista Road and Comanche Parkway Road, northeast of Comanche Reservoir 137 Comment
  UCR201749  Rhamnus tomentella subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2008-9-28 14171 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
  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
  UCR202670  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2008-9-22 14139 Amador Northern Sierra Nevada Mountains, north side of CA-88, 0.2 mile northeast of Silver Lake 2266 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
  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
  UCR202675  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2008-9-22 14135 Amador Northern Sierra Nevada Mountains, north side of CA-88, 0.2 mile northeast of Silver Lake 2266 Comment
  UCR202676  Cirsium andersonii George K. Helmkamp, E. A. Helmkamp 2008-9-22 14136 Amador Northern Sierra Nevada Mountains, north side of CA-88, 0.2 mile northeast of Silver Lake 2266 Comment
  UCR202683  Lupinus polyphyllus var. burkei George K. Helmkamp, E. A. Helmkamp 2008-9-22 14138 Amador Northern Sierra Nevada Mountains, north side of CA-88, 0.2 mile northeast of Silver Lake 2266 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
  UCR205161  Verbascum thapsus George K. Helmkamp, E. A. Helmkamp 2008-10-30 14305 Amador Northern Sierra Nevada Mountains Foothills, junction of CA-49 and Fiddletown Road at the north end, but within the city limits, of Plymouth 311 Comment
  UCR206576  Mertensia oblongifolia var. nevadensis George K. Helmkamp, Ann Kerchner 2009-7-25 15282 Amador Sierra Nevada Mountains, south side of CA-88, 3.2 miles west of the Alpine Co. line; near Martin Meadow 2306 Comment
  UCR206577  Carex athrostachya George K. Helmkamp, Ann Kerchner 2009-7-25 15281 Amador Sierra Nevada Mountains, south side of CA-88, 3.2 miles west of the Alpine Co. line; near Martin Meadow 2306 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
  UCR206587  Polygonum douglasii subsp. douglasii George K. Helmkamp, Ann Kerchner 2009-7-25 15288 Amador Sierra Nevada Mountains, south side of CA-88, 3.2 miles west of the Alpine Co. line; near Martin Meadow 2306 Comment
  UCR206602  Erigeron peregrinus subsp. callianthemus George K. Helmkamp, Ann Kerchner 2009-7-25 15286 Amador Sierra Nevada Mountains, 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
  UCR206610  Potentilla gracilis var. fastigiata George K. Helmkamp, Ann Kerchner 2009-7-25 15285 Amador Sierra Nevada Mountains, south side of CA-88, 3.2 miles west of the Alpine Co. line; near Martin Meadow 2306 Comment
  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
  UCR206735  Gilia leptalea subsp. bicolor George K. Helmkamp, Ann Kerchner 2009-7-25 15284 Amador Sierra Nevada Mountains, south side of CA-88, 3.2 miles west of the Alpine Co. line; near Martin Meadow 2306 Comment
  UCR208262  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2009-3-26 14474 Amador San Joaquin Valley, along CA-88, 0.4 mile northeast of the San Joaquin Co. line 81 Comment
  UCR208312  Oxalis laxa George K. Helmkamp, E. A. Helmkamp 2009-3-26 14471 Amador San Joaquin Valley, along CA-88, 0.4 mile northeast of the San Joaquin Co. line 81 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
  UCR208316  Stellaria nitens George K. Helmkamp, E. A. Helmkamp 2009-3-26 14479 Amador San Joaquin Valley, along CA-88, 0.4 mile northeast of the San Joaquin Co. line 81 Comment
  UCR208319  Thysanocarpus curvipes George K. Helmkamp, E. A. Helmkamp 2009-3-26 14476 Amador San Joaquin Valley, along CA-88, 0.4 mile northeast of the San Joaquin Co. line 81 Comment
  UCR208324  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2009-3-26 14484 Amador Sierra Nevada Mountains Foothills, along CA-49, 1.4 miles south of Drytown 198 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
  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
  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
  UCR209516  Lotus nevadensis var. nevadensis George 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
  UCR209517  Gnaphalium palustre George K. Helmkamp, E. A. Helmkamp 2009-8-6 15402 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
  UCR209520  Festuca dertonensis George K. Helmkamp, E. A. Helmkamp 2008-6-9 13629 B Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.1 mile south of its junction with CA-88, jct. is 4.0 miles east of Cook's Station 1652 Comment
  UCR209562  Madia elegans subsp. densifolia George K. Helmkamp, E. A. Helmkamp 2009-8-6 15398 Amador Sierra Nevada Mountains Foothills, along Hwy CA-88, 3.1 miles northeast of CA-49 in Jackson 424 Comment
  UCR209563  Gayophytum diffusum subsp. parviflorum George K. Helmkamp, E. A. Helmkamp 2009-8-6 15404 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
  UCR209564  Lactuca serriola George K. Helmkamp, E. A. Helmkamp 2009-8-6 15399 Amador Sierra Nevada Mountains Foothills, along Hwy CA-88, 3.1 miles northeast of CA-49 in Jackson 424 Comment
  UCR209567  Carex fracta George K. Helmkamp, E. A. Helmkamp 2009-8-6 15401 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
  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
  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
  UCR209572  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 314 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
  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
  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
  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
  UCR209582  Juglans hindsii George K. Helmkamp, E. A. Helmkamp 2009-8-24 15522 Amador Foothills, northern Sierra Nevada Mountains, Shanandoah Road, 1.2 miles northeast of Plymouth and just north of its junction with Fiddletown Road. 363 Comment
  UCR217839  Raphanus raphanistrum George K. Helmkamp, E. A. Helmkamp 2010-5-31 16155 Amador Sierra Nevada Mountains Foothills, Church Street, becoming Sutter Creek-Volcano Road, 0.2 mile east of the village of Sutter Creek 402 Comment
  UCR217841  Sambucus mexicana George K. Helmkamp, E. A. Helmkamp 2010-5-31 16153 Amador Sierra Nevada Mountains Foothills, Church Street, becoming Sutter Creek-Volcano Road, 0.2 mile east of the village of Sutter Creek 402 Comment
  UCR217844  Kickxia elatine George K. Helmkamp, E. A. Helmkamp 2010-5-31 16182 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 3.3 miles east of the village of Sutter Creek 413 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
  UCR217846  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2010-5-31 16184 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 3.3 miles east of the village of Sutter Creek 413 Comment
  UCR217848  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2010-5-31 16173 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 2.8 miles east of the village of Sutter Creek 427 Comment
  UCR218171  Phacelia mutabilis George K. Helmkamp, E. A. Helmkamp 2010-5-31 16175 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 2.8 miles east of the village of Sutter Creek 427 Comment
  UCR218172  Triticum aestivum George K. Helmkamp, E. A. Helmkamp 2010-5-31 16174 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 2.8 miles east of the village of Sutter Creek 427 Comment
  UCR218173  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2010-5-31 16165 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 1.6 miles east of the village of Sutter Creek 412 Comment
  UCR218175  Pellaea mucronata subsp. mucronata George K. Helmkamp, E. A. Helmkamp 2010-5-31 16178 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 3.3 miles east of the village of Sutter Creek 413 Comment
  UCR218176  Comandra umbellata George K. Helmkamp, E. A. Helmkamp 2010-5-31 16180 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 3.3 miles east of the village of Sutter Creek 413 Comment
  UCR218177  Galium aparine George K. Helmkamp, E. A. Helmkamp 2010-5-31 16179 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 3.3 miles east of the village of Sutter Creek 413 Comment
  UCR218178  Silene gallica George K. Helmkamp, E. A. Helmkamp 2010-5-31 16177 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 2.8 miles east of the village of Sutter Creek 427 Comment
  UCR218180  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2010-5-31 16185 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 3.3 miles east of the village of Sutter Creek 413 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
  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
  UCR218183  Streptanthus tortuosus var. tortuosus George K. Helmkamp, E. A. Helmkamp 2010-5-31 16192 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 5.2 miles east of the village of Sutter Creek 451 Comment
  UCR218185  Clarkia purpurea subsp. viminea George K. Helmkamp, E. A. Helmkamp 2010-5-31 16163 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 1.6 miles east of the village of Sutter Creek 412 Comment
  UCR218186  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2010-5-31 16162 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 1.6 miles east of the village of Sutter Creek 412 Comment
  UCR218187  Calochortus luteus George K. Helmkamp, E. A. Helmkamp 2010-5-31 16061 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 1.6 miles east of the village of Sutter Creek 412 Comment
  UCR218188  Calochortus albus George K. Helmkamp, E. A. Helmkamp 2010-5-31 16160 Amador Sierra Nevada Mountains Foothills, Church Street, becoming Sutter Creek-Volcano Road, 0.2 mile east of the village of Sutter Creek 402 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
  UCR218190  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2010-5-31 16158 Amador Sierra Nevada Mountains Foothills, Church Street, becoming Sutter Creek-Volcano Road, 0.2 mile east of the village of Sutter Creek 402 Comment
  UCR218191  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2010-5-31 16157 Amador Sierra Nevada Mountains Foothills, Church Street, becoming Sutter Creek-Volcano Road, 0.2 mile east of the village of Sutter Creek 402 Comment
  UCR218192  Cerastium glomeratum George K. Helmkamp, E. A. Helmkamp 2010-5-31 16156 Amador Sierra Nevada Mountains Foothills, Church Street, becoming Sutter Creek-Volcano Road, 0.2 mile east of the village of Sutter Creek 402 Comment
  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
  UCR218195  Trifolium ciliolatum George K. Helmkamp, E. A. Helmkamp 2010-5-31 16170 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 2.8 miles east of the village of Sutter Creek 427 Comment
  UCR218196  Geranium molle George K. Helmkamp, E. A. Helmkamp 2010-5-31 16169 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 1.6 miles east of the village of Sutter Creek 412 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
  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
  UCR218199  Leontodon taraxacoides George K. Helmkamp, E. A. Helmkamp 2010-5-31 16166 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 1.6 miles east of the village of Sutter Creek 412 Comment
  UCR218201  Brassica geniculata George K. Helmkamp, E. A. Helmkamp 2010-5-31 16194 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 5.2 miles east of the village of Sutter Creek 451 Comment
  UCR218204  Silene antirrhina George K. Helmkamp, E. A. Helmkamp 2010-5-31 16197 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 5.2 miles east of the village of Sutter Creek 451 Comment
  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
  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
  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
  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
  UCR218210  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2010-5-31 16187 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 3.3 miles east of the village of Sutter Creek 413 Comment
  UCR218211  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2010-5-31 16188 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 3.3 miles east of the village of Sutter Creek 413 Comment
  UCR218212  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2010-5-31 16189 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 3.3 miles east of the village of Sutter Creek 413 Comment
  UCR218213  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2010-5-31 16190 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 3.3 miles east of the village of Sutter Creek 413 Comment
  UCR218214  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2010-5-31 16191 Amador Sierra Nevada Mountains Foothills, Sutter Creek-Volcano Road, 3.3 miles east of the village of Sutter Creek 413 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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  UCR219028  Thalictrum fendleri var. fendleri George K. Helmkamp, E. A. Helmkamp 2010-7-13 16511 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  UCR219029  Cryptantha torreyana George K. Helmkamp, E. A. Helmkamp 2010-7-13 16510 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  UCR219030  Lupinus fulcratus George K. Helmkamp, E. A. Helmkamp 2010-7-13 16526 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 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
  UCR219032  Sanicula tuberosa George K. Helmkamp, E. A. Helmkamp 2010-7-13 16524 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  UCR219033  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2010-7-13 16512 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 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
  UCR219035  Erigeron peregrinus subsp. callianthemus George K. Helmkamp, E. A. Helmkamp 2010-7-13 16529 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  UCR219036  Carex whitneyi George K. Helmkamp, E. A. Helmkamp 2010-7-13 16508 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 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
  UCR219041  Collinsia torreyi var. wrightii George K. Helmkamp, E. A. Helmkamp 2010-7-13 16506 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  UCR219044  Viola pinetorum subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2010-7-13 16514 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  UCR219045  Delphinium gracilentum George K. Helmkamp, E. A. Helmkamp 2010-7-13 16515 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 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
  UCR219047  Microseris nutans George K. Helmkamp, E. A. Helmkamp 2010-7-13 16523 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  UCR219048  Valeriana californica George K. Helmkamp, E. A. Helmkamp 2010-7-13 16520 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 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
  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
  UCR219055  Ericameria arborescens George K. Helmkamp, E. A. Helmkamp 2009-9-15 15625 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 4.9 miles south of its junction with CA-88, 6.1 air mi. SW of Bear River Reservoir 1483 Comment
  UCR219056  Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2009-9-15 15622 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
  UCR219057  Stachys ajugoides var. rigida George K. Helmkamp, E. A. Helmkamp 2009-9-15 15623 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
  UCR219058  Juncus effusus var. exiguus George K. Helmkamp, E. A. Helmkamp 2009-9-15 15610 Amador Northern Sierra Nevada Mountains, south side of Bear River Reservoir, 0.1 mile east of the dam 1774 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
  UCR219060  Elymus glaucus var. glaucus George K. Helmkamp, E. A. Helmkamp 2009-9-15 15617 Amador Northern Sierra Nevada Mountains, Bear River Road, 0.1 mile south of its junction with CA-88 1797 Comment
  UCR219061  Carex George K. Helmkamp, E. A. Helmkamp 2009-9-15 15616 Amador Northern Sierra Nevada Mountains, Bear River Road, 0.1 mile south of its junction with CA-88 1797 Comment
  UCR219062  Croton setiger George K. Helmkamp, E. A. Helmkamp 2009-9-22 15648 Amador Sierra Nevada Mountains Foothills, junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 Comment
  UCR219064  Galium trifidum var. pusillum George K. Helmkamp, E. A. Helmkamp 2009-9-15 15613 Amador Northern Sierra Nevada Mountains, south side of Bear River Reservoir, 0.1 mile east of the dam 1774 Comment
  UCR219066  Agrostis variabilis George K. Helmkamp, E. A. Helmkamp 2009-9-15 15614 Amador Northern Sierra Nevada Mountains, south side of Bear River Reservoir, 0.1 mile east of the dam 1774 Comment
  UCR219069  Hypericum perforatum George K. Helmkamp, E. A. Helmkamp 2009-9-15 15619 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.2 mile south of its junction with CA-88, 5.2 air mi. west of Bear River Reservoir 1622 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
  UCR219171  Kickxia elatine George K. Helmkamp, E. A. Helmkamp 2009-9-22 15636 Amador Sierra Nevada Mountains Foothills, junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 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
  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
  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
  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
  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
  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
  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
  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
  UCR219187  Tribulus terrestris George K. Helmkamp, E. A. Helmkamp 2009-9-22 15639 Amador Sierra Nevada Mountains Foothills, junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 Comment
  UCR219188  Amaranthus retroflexus George K. Helmkamp, E. A. Helmkamp 2009-9-22 15640 Amador Sierra Nevada Mountains Foothills, junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 Comment
  UCR219191  Madia elegans subsp. densifolia George K. Helmkamp, E. A. Helmkamp 2009-9-22 15637 Amador Sierra Nevada Mountains Foothills, junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 Comment
  UCR219194  Salsola tragus George K. Helmkamp, E. A. Helmkamp 2009-9-22 15645 Amador Sierra Nevada Mountains Foothills, junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 Comment
  UCR219195  Conyza canadensis George K. Helmkamp, E. A. Helmkamp 2009-9-22 15646 Amador Sierra Nevada Mountains Foothills, junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 Comment
  UCR219196  Panicum capillare George K. Helmkamp, E. A. Helmkamp 2009-9-22 15647 Amador Sierra Nevada Mountains Foothills, junction of Shenandoah Road (CA-16) and Steiner Road, southwest of River Pines 750 Comment
  UCR223855  Quercus douglasii George K. Helmkamp, E. A. Helmkamp 2009-10-11 15680 Amador Sacramento Valley/Sierra Nevada Foothills, Willow Creek Road just south of its junction with CA-16, 3.3 mi. SW (235 deg. ) of Plymouth 192 Comment
  UCR230060  Vicia villosa subsp. villosa George K. Helmkamp, E. A. Helmkamp 2011-5-19 17301 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
  UCR230062  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2011-5-19 17299 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
  UCR230063  Dichelostemma volubile George K. Helmkamp, E. A. Helmkamp 2011-5-19 17297 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
  UCR230064  Solanum umbelliferum George K. Helmkamp, E. A. Helmkamp 2011-5-19 17296 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
  UCR230067  Geranium molle George K. Helmkamp, E. A. Helmkamp 2011-5-19 17310 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
  UCR230068  Capsella bursa-pastoris George K. Helmkamp, E. A. Helmkamp 2011-5-19 17309 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
  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
  UCR230070  Rumex crispus George K. Helmkamp, E. A. Helmkamp 2011-5-19 17307 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
  UCR230071  Galium parisiense George K. Helmkamp, E. A. Helmkamp 2011-5-19 17306 Amador Lower Sierra Nevada Foothills, Rock Creek Road, 2.8 miles northeast of the junction with Pardee Dam Road, 4.9 mi. SW (221 deg. ) of Jackson 305 Comment
  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
  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
  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
  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
  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
  UCR230100  Micropus californicus var. californicus George K. Helmkamp, E. A. Helmkamp 2011-5-19 17289 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
  UCR230101  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2011-5-19 17288 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
  UCR230105  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2011-5-19 17303 Amador Lower Sierra Nevada Foothills, Rock Creek Road, 2.8 miles northeast of the junction with Pardee Dam Road, 4.9 mi. SW (221 deg. ) of Jackson 305 Comment
  UCR230106  Rhamnus californica subsp. tomentella George K. Helmkamp, E. A. Helmkamp 2011-5-19 17304 Amador Lower Sierra Nevada Foothills, Rock Creek Road, 2.8 miles northeast of the junction with Pardee Dam Road, 4.9 mi. SW (221 deg. ) of Jackson 305 Comment
  UCR230107  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2011-5-19 17298 Amador Lower Sierra Nevada Foothills, NW of Pardee Reservoir, 0.1 mile east of Rock Creek Road on a gravel spur leading to houses, 4.65 mi. SW (220 deg. ) of Jackson 280 Comment
  UCR230118  Galium aparine George K. Helmkamp, E. A. Helmkamp 2011-5-10 17244 Amador Northern Sierra Nevada Mountains Foothills, along Sutter Creek near Sutter Creek Rd., 2.9 air miles NE (68 deg. ) of town of Sutter Creek 412 Comment
  UCR230119  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2011-5-10 17243 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
  UCR230129  Plantago coronopus George K. Helmkamp, E. A. Helmkamp 2011-5-19 17305 Amador Lower Sierra Nevada Foothills, Rock Creek Road, 2.8 miles northeast of the junction with Pardee Dam Road, 4.9 mi. SW (221 deg. ) of Jackson 305 Comment
  UCR230131  Briza minor George K. Helmkamp, E. A. Helmkamp 2011-5-19 17295 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
  UCR230134  Lotus scoparius var. scoparius George K. Helmkamp, E. A. Helmkamp 2011-5-19 17292 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
  UCR230135  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, E. A. Helmkamp 2011-5-19 17291 Amador Lower Sierra Nevada Foothills, NW of Pardee Reservoir, 0.1 mile east of Rock Creek Road on a gravel spur leading to houses, 4.65 mi. SW (220 deg. ) of Jackson 280 Comment
  UCR230136  Pellaea mucronata subsp. mucronata George K. Helmkamp, E. A. Helmkamp 2011-5-19 17290 Amador Lower Sierra Nevada Foothills, NW of Pardee Reservoir, 0.1 mile east of Rock Creek Road on a gravel spur leading to houses, 4.65 mi. SW (220 deg. ) of Jackson 280 Comment
  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
  UCR230619  Eriodictyon californicum George K. Helmkamp, E. A. Helmkamp 2011-5-10 17249 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
  UCR230620  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2011-5-10 17250 Amador Northern Sierra Nevada Mountains Foothills, along Sutter Creek near Sutter Creek Rd., 2.9 air miles NE (68 deg. ) of town of Sutter Creek 412 Comment
  UCR230621  Comandra umbellata subsp. californica George K. Helmkamp, E. A. Helmkamp 2011-5-10 17248 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
  UCR230622  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2011-5-10 17247 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
  UCR230623  Dudleya cymosa subsp. cymosa George K. Helmkamp, E. A. Helmkamp 2011-5-10 17246 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
  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
  UCR230626  Trifolium ciliolatum George K. Helmkamp, E. A. Helmkamp 2011-5-10 17237 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
  UCR230627  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2011-5-10 17236 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
  UCR230631  Claytonia parviflora George K. Helmkamp, E. A. Helmkamp 2011-5-10 17242 Amador Northern Sierra Nevada Mountains Foothills, along Sutter Creek near Sutter Creek Rd., 2.9 air miles NE (68 deg. ) of town of Sutter Creek 412 Comment
  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
  UCR230635  Phacelia cicutaria var. cicutaria George K. Helmkamp, E. A. Helmkamp 2011-5-10 17240 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
  UCR230636  Eriophyllum lanatum var. grandiflorum George K. Helmkamp, E. A. Helmkamp 2011-5-10 17239 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
  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
  UCR230655  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2011-5-10 17234 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
  UCR230656  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
  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
  UCR230661  Lithophragma George K. Helmkamp, E. A. Helmkamp 2011-5-10 17231 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
  UCR230664  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2011-5-10 17228 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
  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
  UCR230666  Cerastium glomeratum George K. Helmkamp, E. A. Helmkamp 2011-5-10 17226 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
  UCR230717  Quercus chrysolepis George K. Helmkamp, E. A. Helmkamp 2010-10-1 16988 A Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 0.8 mile southwest of its junction with Fiddletown Road, 3.5 miles NE (32 deg. ) of Volcano 976 Comment
  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
  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
  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
  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
  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
  UCR230744  Quercus chrysolepis George K. Helmkamp, E. A. Helmkamp 2010-10-1 16986 Amador Northern Sierra Nevada Mountains Foothills, Sutter Creek Rd. toward Volcano, 4.2 miles east of CA-49 in Sutter Creek 421 Comment
  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
  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
  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
  UCR230754  Madia elegans subsp. densifolia George K. Helmkamp, E. A. Helmkamp 2010-10-1 17002 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
  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
  UCR230756  Aster eatonii George K. Helmkamp, E. A. Helmkamp 2010-10-1 17000 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 0.3 mile southwest of its junction with Quartz Mountain Road, 4.25 mi. NE (47 deg. ) of Sutter Creek 527 Comment
  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
  UCR230966  Erodium moschatum George K. Helmkamp, E. A. Helmkamp 2011-6-22 17616 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
  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
  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
  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
  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
  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
  UCR230975  Festuca myuros George K. Helmkamp, E. A. Helmkamp 2011-6-7 17465 Amador Northern Sierra Nevada Mountains Foothills, Pine Gulch Road, 0.5 mile north of its intersection with Sutter Creek Road 457 Comment
  UCR230976  Genista monspessulana George K. Helmkamp, E. A. Helmkamp 2011-6-7 17464 Amador Northern Sierra Nevada Mountains Foothills, Pine Gulch Road, 0.5 mile north of its intersection with Sutter Creek Road 457 Comment
  UCR230977  Sidalcea malviflora George K. Helmkamp, E. A. Helmkamp 2011-6-7 17463 Amador Northern Sierra Nevada Mountains Foothills, Pine Gulch Road, 0.5 mile north of its intersection with Sutter Creek Road 457 Comment
  UCR230978  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2011-6-7 17462 Amador Northern Sierra Nevada Mountains Foothills, Pine Gulch Road, 0.5 mile north of its intersection with Sutter Creek Road 457 Comment
  UCR230995  Rumex conglomeratus George K. Helmkamp, E. A. Helmkamp 2011-6-22 17618 Amador Northern Sierra Nevada Mountains Foothills, Tonzi Road, 0.9 mile west of its junction with CA-49, c. 1.6 mi. SW (238 deg. ) of Amador City 309 Comment
  UCR230996  Chenopodium berlandieri George K. Helmkamp, E. A. Helmkamp 2011-6-22 17617 A Amador Northern Sierra Nevada Mountains Foothills, Sutter-Ione Road, 2.7 miles west of its junction with CA-49, 2.9 mi. SW (221 deg. ) of Amador City 308 Comment
  UCR231004  Clarkia biloba subsp. biloba George K. Helmkamp, E. A. Helmkamp 2011-6-22 17619 Amador Northern Sierra Nevada Mountains Foothills, along CA-49 at the north junction with Bell Road, 0.7 mile south of the El Dorado County line 311 Comment
  UCR231005  Centaurium muehlenbergii George K. Helmkamp, E. A. Helmkamp 2011-6-22 17615 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
  UCR231021  Castilleja attenuata George K. Helmkamp, E. A. Helmkamp 2011-6-7 17467 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
  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
  UCR231026  Trifolium glomeratum George K. Helmkamp, E. A. Helmkamp 2011-6-7 17470 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 1 mile southwest of its junction with Pine Gulch Road, c. 1.3 mi. NE of Sutter Creek 427 Comment
  UCR231027  Linum bienne George K. Helmkamp, E. A. Helmkamp 2011-6-7 17469 Amador Northern Sierra Nevada Mountains Foothills, Shake Ridge Road, 1 mile southwest of its junction with Pine Gulch Road, c. 1.3 mi. NE of Sutter Creek 427 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
  UCR232204  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 2011-3-12 17084 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
  UCR232205  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2011-3-12 17082 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
  UCR232206  Claytonia perfoliata subsp. mexicana George K. Helmkamp, E. A. Helmkamp 2011-3-12 17081 Amador Northeastern San Joaquin Valley, along CA-88, 0.8 mile northeast of the San Joaquin County line, c. 3 miles north of Camanche Reservoir 81 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
  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
  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
  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
  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
  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
  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
  UCR232225  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2011-3-12 17087 Amador Northern Sierra Nevada Mountains Foothills, along CA-124 (Plymouth Hwy), 1.3 miles northeast of Ione 168 Comment
  UCR232259  Eschscholzia lobbii George K. Helmkamp, E. A. Helmkamp 2011-3-12 17088 Amador Northern Sierra Nevada Mountains Foothills, along CA-124 (Plymouth Hwy), 1.3 miles northeast of Ione 168 Comment
  UCR232263  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2011-3-12 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
  UCR233111B  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2010-3-26 15763 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
  UCR233116B  Hackelia velutina George K. Helmkamp, E. A. Helmkamp 2011-8-6 17990 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR233117B  Collinsia torreyi var. wrightii George K. Helmkamp, E. A. Helmkamp 2011-8-6 17991 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR233118B  Kelloggia galioides George K. Helmkamp, E. A. Helmkamp 2011-8-6 17994 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR233119B  Gilia leptalea George K. Helmkamp, E. A. Helmkamp 2011-8-6 17990 A Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR233120B  Mimulus layneae George K. Helmkamp, E. A. Helmkamp 2011-8-6 18000 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR233122B  Triteleia ixioides subsp. anilina George K. Helmkamp, E. A. Helmkamp 2011-8-6 18001 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR233123B  Allium campanulatum George K. Helmkamp, E. A. Helmkamp 2011-8-6 18002 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR233124B  Erigeron breweri George K. Helmkamp, E. A. Helmkamp 2011-8-6 17986 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR233127B  Horkelia tridentata subsp. tridentata George K. Helmkamp, E. A. Helmkamp 2011-8-6 17985 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR233128B  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-8-6 17995 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR233129B  Astragalus bolanderi George K. Helmkamp, E. A. Helmkamp 2011-8-6 17988 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 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
  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
  UCR233132B  Phacelia hydrophylloides George K. Helmkamp, E. A. Helmkamp 2011-8-6 17993 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR233133B  Avena fatua George K. Helmkamp, E. A. Helmkamp 2010-3-26 15773 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
  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
  UCR233136B  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2010-3-26 15766 Amador Eastern San Joaquin Valley/ Sierra Nevada Foothills, low foothills along CA-16, 6.8 miles west of Plymouth near Forest Home Rd. 177 Comment
  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
  UCR233141B  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2010-3-26 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
  UCR233146B  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2010-3-26 15771 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
  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
  UCR233194B  Parvisedum pumilum George K. Helmkamp, E. A. Helmkamp 2010-4-7 15843 Amador Northeast San Joaquin Valley, along CA-88, 0.9 mile northeast of the San Joaquin County line 84 Comment
  UCR233197  Triphysaria eriantha George K. Helmkamp, E. A. Helmkamp 2010-4-7 15840 Amador Northeast San Joaquin Valley, along CA-88, 0.9 mile northeast of the San Joaquin County line 84 Comment
  UCR233247  Clarkia williamsonii George K. Helmkamp, E. A. Helmkamp 2011-7-12 17697 Amador Northern Sierra Nevada Mountains Foothills, along CA-88, 1.4 miles southwest of Ridge Road, 1.3 miles NW (334 deg. ) of Clinton 622 Comment
  UCR233248  Phacelia hastata var. hastata George K. Helmkamp, E. A. Helmkamp 2011-7-12 17696 Amador Northern Sierra Nevada Mountains Foothills, along CA-88, 1.4 miles southwest of Ridge Road, 1.3 miles NW (334 deg. ) of Clinton 622 Comment
  UCR233249  Vicia villosa subsp. villosa George K. Helmkamp, E. A. Helmkamp 2010-3-26 15772 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
  UCR233250  Hypericum anagalloides George K. Helmkamp, E. A. Helmkamp 2011-8-6 17976 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UCR233251  Nemophila maculata George K. Helmkamp, E. A. Helmkamp 2011-8-6 17979 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UCR233252  Verbascum virgatum George K. Helmkamp, E. A. Helmkamp 2011-8-6 17980 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 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
  UCR233255  Bromus orcuttianus George K. Helmkamp, E. A. Helmkamp 2011-8-6 17989 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR233256  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2011-8-6 17975 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 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
  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
  UCR233263  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2011-8-6 18006 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR233264  Madia exigua George K. Helmkamp, E. A. Helmkamp 2011-8-6 18007 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR233267  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 2011-8-6 17999 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR233268  Phacelia hastata var. compacta George K. Helmkamp, E. A. Helmkamp 2011-8-6 17998 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  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
  UCR233331  Agrostis stolonifera George K. Helmkamp, E. A. Helmkamp 2011-8-6 17977 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UCR233340  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2011-8-6 17966 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UCR233341  Mimulus layneae George K. Helmkamp, E. A. Helmkamp 2011-8-6 17965 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UCR233342  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2011-8-6 17964 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UCR233371  Eriogonum roseum George K. Helmkamp, E. A. Helmkamp 2011-9-16 18300 Amador Northern Sierra Nevada Mountains Foothills, along CA-26 (Red Corral Rd.), 2.2 miles north of the crossing over North Fork Mokelumne River, 1 mile SSE (159 deg. ) of Pioneer 762 Comment
  UCR233378  Lactuca saligna George K. Helmkamp, E. A. Helmkamp 2011-9-16 18299 Amador Northern Sierra Nevada Mountains Foothills, along CA-26 (Red Corral Rd.), 2.2 miles north of the crossing over North Fork Mokelumne River, 1 mile SSE (159 deg. ) of Pioneer 762 Comment
  UCR233383  Penstemon azureus var. azureus George K. Helmkamp, E. A. Helmkamp 2011-9-16 18301 Amador Northern Sierra Nevada Mountains Foothills, along CA-26 (Red Corral Rd.), 2.2 miles north of the crossing over North Fork Mokelumne River, 1 mile SSE (159 deg. ) of Pioneer 762 Comment
  UCR233404  Gilia leptalea subsp. leptalea George K. Helmkamp, E. A. Helmkamp 2011-8-6 17959 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 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
  UCR233406  Trichostema oblongum George K. Helmkamp, E. A. Helmkamp 2011-8-6 17974 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UCR233409  Carex subfusca George K. Helmkamp, E. A. Helmkamp 2011-8-6 17969 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 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
  UCR233666  Mimulus bicolor George K. Helmkamp, E. A. Helmkamp 2011-8-6 17957 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UCR233670  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2011-8-6 17956 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 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
  UCR233673  Trifolium microcephalum George K. Helmkamp, E. A. Helmkamp 2011-8-6 17953 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UCR233674  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2011-8-6 17952 Amador Northern Sierra Nevada Mountains, Ellis Road, 2.1 miles south of its junction with CA-88 1794 Comment
  UCR234550  Cryptantha affinis George K. Helmkamp, E. A. Helmkamp 2011-8-6 18015 Amador Northern Sierra Nevada Mountains, along dirt road 0.3 mile east of Bear River Reservoir Road, from a point 0.7 mile south of CA-88 1986 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
  UCR234553  Tragopogon dubius George K. Helmkamp, E. A. Helmkamp 2011-8-6 18012 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 Comment
  UCR234605  Rorippa curvipes var. truncata George K. Helmkamp, E. A. Helmkamp 2011-8-6 18018 Amador Northern Sierra Nevada Mountains, along dirt road 0.3 mile east of Bear River Reservoir Road, from a point 0.7 mile south of CA-88 1986 Comment
  UCR234606  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2011-8-6 18019 Amador Northern Sierra Nevada Mountains, along dirt road 0.3 mile east of Bear River Reservoir Road, from a point 0.7 mile south of CA-88 1986 Comment
  UCR234609  Stephanomeria lactucina George K. Helmkamp, E. A. Helmkamp 2011-8-6 18010 Amador Northern Sierra Nevada Mountains, Ellis Road, 0.2 miles south of its junction with CA-88 2009 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
  UCR235283  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2012-4-19 18795 Amador Northern Sierra Nevada Mountains Foothills, Bunker Hill Road at the junction with Fremont Mine Road, just north of Amador City 311 Comment
  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
  UCR235287  Hordeum murinum subsp. glaucum George K. Helmkamp, E. A. Helmkamp 2012-4-19 18799 Amador Foothills, northern Sierra Nevada Mountains, Fiddletown Road, 0.2 mile east of its junction with County Road E-16, c. 0.7 mi. E of Hwy 49 at Plymouth 416 Comment
  UCR235407  Quercus lobata George K. Helmkamp, E. A. Helmkamp 2012-4-19 18801 Amador Foothills, northern Sierra Nevada Mountains, Fiddletown Road, 0.2 mile east of its junction with County Road E-16, c. 0.7 mi. E of Hwy 49 at Plymouth 416 Comment
  UCR235408  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2012-4-19 18800 Amador Foothills, northern Sierra Nevada Mountains, Fiddletown Road, 0.2 mile east of its junction with County Road E-16, c. 0.7 mi. E of Hwy 49 at Plymouth 416 Comment
  UCR235415  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2012-4-19 18790 Amador Northern Sierra Nevada Mountains Foothills, Bunker Hill Road at the junction with N Amador Road, c. 0.5 mi. N of Amador City 299 Comment
  UCR235416  Geranium molle George K. Helmkamp, E. A. Helmkamp 2012-4-19 18791 Amador Northern Sierra Nevada Mountains Foothills, Bunker Hill Road at the junction with N Amador Road, c. 0.5 mi. N of Amador City 299 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
  UCR235428  Plagiobothrys fulvus George K. Helmkamp, E. A. Helmkamp 2012-4-19 18794 A Amador Northern Sierra Nevada Mountains Foothills, Bunker Hill Road at the junction with Fremont Mine Road, just north of Amador City 311 Comment
  UCR235439  Oenothera elata subsp. hirsutissima George K. Helmkamp, E. A. Helmkamp 2011-11-21 18471 Amador Northern Sierra Nevada Mountains Foothills, along CA-88, 0.2 mile northeast of its junction with CA-104, c. 2 mi. airline SE of Ione 183 Comment
  UCR237086  Erigeron peregrinus subsp. callianthemus George K. Helmkamp, E. A. Helmkamp 2012-7-14 19417 Amador Northern Sierra Nevada Mountains, Tragedy Spring, near Carson Pass Hwy, along Tragedy Spring Road 0.3 mile east of its junction with CA-88 2421 Comment
  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
  UCR237089  Epilobium glaberrimum subsp. fastigiatum George K. Helmkamp, E. A. Helmkamp 2012-7-14 19424 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
  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
  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
  UCR237092  Carex nebrascensis George K. Helmkamp, E. A. Helmkamp 2012-7-14 19423 Amador Northern Sierra Nevada Mountains, Tragedy Spring, near Carson Pass Hwy, along Tragedy Spring Road 0.3 mile east of its junction with CA-88 2421 Comment
  UCR237093  Bromus suksdorfii George K. Helmkamp, E. A. Helmkamp 2012-7-14 19421 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
  UCR237095  Penstemon roezlii George K. Helmkamp, E. A. Helmkamp 2012-7-14 19401 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
  UCR237096  Veratrum californicum var. californicum George K. Helmkamp, E. A. Helmkamp 2012-7-14 19405 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
  UCR237097  Delphinium nuttallianum George K. Helmkamp, E. A. Helmkamp 2012-7-14 19406 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
  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
  UCR237272  Hackelia floribunda George K. Helmkamp, E. A. Helmkamp 2012-7-14 19394 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
  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
  UCR237274  Ipomopsis aggregata subsp. aggregata George K. Helmkamp, E. A. Helmkamp 2012-7-14 19392 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
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May 8 2017
  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
  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
  UCR237279  Elymus elymoides subsp. elymoides George K. Helmkamp, E. A. Helmkamp 2012-7-2 19301 Amador Northern Sierra Nevada Mountains, Bear River Road at the south end of the dam of Lower Bear River Reservoir 1774 Comment
  UCR237280  Agrostis variabilis George K. Helmkamp, E. A. Helmkamp 2012-7-2 19302 Amador Northern Sierra Nevada Mountains, Bear River Road at the south end of the dam of Lower Bear River Reservoir 1774 Comment
  UCR237282  Eriogonum marifolium George K. Helmkamp, E. A. Helmkamp 2012-7-2 19304 Amador Northern Sierra Nevada Mountains, Bear River Road at the south end of the dam of Lower Bear River Reservoir 1774 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
  UCR237284  Spiraea densiflora George K. Helmkamp, E. A. Helmkamp 2012-7-2 19306 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
  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
  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
  UCR237289  Lotus oblongifolius var. oblongifolius George K. Helmkamp, E. A. Helmkamp 2012-7-2 19311 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
  UCR237290  Penstemon newberryi var. newberryi George K. Helmkamp, E. A. Helmkamp 2012-7-2 19310 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
  UCR237292  Achnatherum occidentale subsp. occidentale George K. Helmkamp, E. A. Helmkamp 2012-7-2 19308 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
  UCR237293  Juncus chlorocephalus George K. Helmkamp, E. A. Helmkamp 2012-7-2 19307 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
  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
  UCR237297  Cryptantha affinis George K. Helmkamp, E. A. Helmkamp 2012-7-2 19315 Amador Northern Sierra Nevada Mountains, Bear River Road, 3.0 miles east of the Lower Bear River Reservoir dam 1816 Comment
  UCR237298  Allium campanulatum George K. Helmkamp, E. A. Helmkamp 2012-7-2 19319 Amador Northern Sierra Nevada Mountains, National Forest Route 8N31, 0.2 mile northeast of its junction with CA-88/Carson Pass Hwy 1802 Comment
  UCR237439  Hordeum brachyantherum subsp. brachyantherum George K. Helmkamp, E. A. Helmkamp 2012-7-14 19408 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
  UCR237441  Linanthus harknessii George K. Helmkamp, E. A. Helmkamp 2012-7-14 19404 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
  UCR237444  Agrostis variabilis George K. Helmkamp, E. A. Helmkamp 2012-7-14 19412 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
  UCR237445  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2012-7-14 19422 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
  UCR237446  Juncus chlorocephalus George K. Helmkamp, E. A. Helmkamp 2012-7-14 19420 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
  UCR237447  Astragalus bolanderi George K. Helmkamp, E. A. Helmkamp 2012-7-14 19419 Amador Northern Sierra Nevada Mountains, Tragedy Spring, near Carson Pass Hwy, along Tragedy Spring Road 0.3 mile east of its junction with CA-88 2421 Comment
  UCR237598  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2012-3-3 18602 Amador Northern Sierra Nevada Mountains Foothills, along CA-124 (E Plymouth Hwy), 1.2 miles northeast of Ione 169 Comment
  UCR237599  Amsinckia eastwoodiae George K. Helmkamp, E. A. Helmkamp 2012-3-3 18601 Amador Northern Sierra Nevada Mountains Foothills, along CA-124 (E Plymouth Hwy), 1.2 miles northeast of Ione 169 Comment
  UCR237600  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 2012-3-3 18600 Amador Northern Sierra Nevada Mountains Foothills, along CA-124 (E Plymouth Hwy), 1.2 miles northeast of Ione 169 Comment
  UCR237601  Spergula arvensis subsp. arvensis George K. Helmkamp, E. A. Helmkamp 2012-3-3 18599 Amador Northern Sierra Nevada Mountains Foothills, along CA-124 (E Plymouth Hwy), 1.2 miles northeast of Ione 169 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
  UCR237715  Montia parvifolia George K. Helmkamp, E. A. Helmkamp 2012-7-2 19298 Amador Northern Sierra Nevada Mountains, Bear River Road at the south end of the dam of Lower Bear River Reservoir 1774 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
  UCR237717  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2012-7-14 19389 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
  UCR237718  Deschampsia elongata George 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 2329 Comment
  UCR237720  Elymus elymoides subsp. californicus George K. Helmkamp, E. A. Helmkamp 2012-7-14 19370 Amador Northern Sierra Nevada Mountains, Shot Rock Vista Rest Stop along CA-88 (Carson Pass Hwy), 1 mile west of the junction with Mormon Emigrant Trail 2329 Comment
  UCR237721  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2012-7-14 19381 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
  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
  UCR237723  Arenaria kingii var. glabrescens George K. Helmkamp, E. A. Helmkamp 2012-7-14 19379 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
  UCR237724  Perideridia lemmonii George K. Helmkamp, E. A. Helmkamp 2012-7-14 19378 Amador Northern Sierra Nevada Mountains, Shot Rock Vista Rest Stop along CA-88 (Carson Pass Hwy), 1 mile west of the junction with Mormon Emigrant Trail 2329 Comment
  UCR237725  Juncus chlorocephalus George K. Helmkamp, E. A. Helmkamp 2012-7-14 19377 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
  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
  UCR237729  Ligusticum grayi George K. Helmkamp, E. A. Helmkamp 2012-7-14 19387 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
  UCR237730  Carex multicostata George K. Helmkamp, E. A. Helmkamp 2012-7-14 19373 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
  UCR237732  Polygonum polygaloides subsp. kelloggii George K. Helmkamp, E. A. Helmkamp 2012-7-14 19374 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
  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
  UCR237734  Achnatherum occidentale subsp. pubescens George K. Helmkamp, E. A. Helmkamp 2012-7-14 19374 A 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
  UCR237737  Heracleum maximum George K. Helmkamp, E. A. Helmkamp 2012-7-14 19400 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 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
  UCR237739  Lupinus polyphyllus var. burkei George K. Helmkamp, E. A. Helmkamp 2012-7-14 19399 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
  UCR237740  Mertensia oblongifolia var. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-7-14 19398 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
  UCR237741  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-7-14 19397 Amador Northern Sierra Nevada Mountains, edge of Martin Meadow along CA-88 (Carson Pass Hwy), 2.2 miles north of Silver Lake 2317 Comment
  UCR238602  Nemophila menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2012-3-22 18636 Amador Northern Sierra Nevada Mountains Foothills, Bell Road, 0.2 mile east of its junction with CA-49 270 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
  UCR238606  Prunus cerasifera George K. Helmkamp, E. A. Helmkamp 2012-3-22 18640 Amador Northern Sierra Nevada Mountains Foothills, Bell Road, 0.2 mile east of its junction with CA-49 270 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
  UCR240658  Conyza canadensis George K. Helmkamp, E. A. Helmkamp 2012-10-5 19972 Amador Northern Sierra Nevada Mountains Foothills, beside Sutter Creek along the Sutter Creek-Volcano Road, 0.6 mile southwest of Meadowlark Lane 421 Comment
  UCR240659  Urtica dioica subsp. holosericea George K. Helmkamp, E. A. Helmkamp 2012-10-5 19971 Amador Northern Sierra Nevada Mountains Foothills, beside Sutter Creek along the Sutter Creek-Volcano Road, 0.6 mile southwest of Meadowlark Lane 421 Comment
  UCR240660  Tanacetum parthenium George K. Helmkamp, E. A. Helmkamp 2012-10-5 19970 Amador Northern Sierra Nevada Mountains Foothills, beside Sutter Creek along the Sutter Creek-Volcano Road, 0.6 mile southwest of Meadowlark Lane 421 Comment
  UCR240661  Quercus lobata George K. Helmkamp, E. A. Helmkamp 2012-10-5 19969 Amador Northern Sierra Nevada Mountains Foothills, beside Sutter Creek along the Sutter Creek-Volcano Road, 0.6 mile southwest of Meadowlark Lane 421 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
  UCR240663  Conyza floribunda George K. Helmkamp, E. A. Helmkamp 2012-10-5 19984 Amador Northern Sierra Nevada Mountains Foothills, Fiddletown Road, 1.3 miles west of its junction with Shake Ridge Road 941 Comment
  UCR240665  Chamaesyce serpillifolia subsp. serpillifolia George K. Helmkamp, E. A. Helmkamp 2012-10-5 19989 Amador Northern Sierra Nevada Mountains Foothills, Fiddletown Road, 1.5 miles west of Fiddletown 466 Comment
  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
  UCR240707  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2012-10-5 19961 Amador Northern Sierra Nevada Mountains Foothills, city of Sutter Creek along old CA-49 (Hanford St.) at the junction with Spanish St. 389 Comment
  UCR240719  Eragrostis curvula var. curvula George K. Helmkamp, E. A. Helmkamp 2012-10-5 19987 Amador Northern Sierra Nevada Mountains Foothills, Fiddletown Road, 1.5 miles west of Fiddletown 466 Comment
  UCR240721  Echinochloa crus-galli George K. Helmkamp, E. A. Helmkamp 2012-10-5 19986 Amador Northern Sierra Nevada Mountains Foothills, Fiddletown Road, 1.5 miles west of Fiddletown 466 Comment
  UCR240727  Xanthium strumarium George K. Helmkamp, E. A. Helmkamp 2012-10-5 19965 Amador Northern Sierra Nevada Mountains Foothills, beside Sutter Creek along the Sutter Creek-Volcano Road, 0.6 mile southwest of Meadowlark Lane 421 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
  UCR240730  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2012-10-5 19962 Amador Northern Sierra Nevada Mountains Foothills, city of Sutter Creek along old CA-49 (Hanford St.) at the junction with Spanish St. 389 Comment
  UCR240731  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 junction with West Clinton Road, between Jackson and Pine Grove 474 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
  UCR240733  Lathyrus tingitanus George K. Helmkamp, E. A. Helmkamp 2012-9-1 19732 Amador Northern Sierra Nevada Mountains Foothills, aong CA-88 (Carson Pass Hwy) at the east end of Jackson; 0.2 mile east of the junction with CA-49 366 Comment
  UCR240736  Oenothera elata subsp. hirsutissima George K. Helmkamp, E. A. Helmkamp 2012-9-1 19730 Amador Northern Sierra Nevada Mountains Foothills, aong CA-88 (Carson Pass Hwy) at the east end of Jackson; 0.2 mile east of the junction with CA-49 366 Comment
  UCR240739  Madia elegans subsp. densifolia George K. Helmkamp, E. A. Helmkamp 2012-9-1 19736 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
  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
  UCR240742  Polygonum punctatum George K. Helmkamp, E. A. Helmkamp 2012-10-5 19975 Amador Northern Sierra Nevada Mountains Foothills, beside Sutter Creek along the Sutter Creek-Volcano Road, 0.6 mile southwest of Meadowlark Lane 421 Comment
  UCR240743  Daucus carota George K. Helmkamp, E. A. Helmkamp 2012-10-5 19974 Amador Northern Sierra Nevada Mountains Foothills, beside Sutter Creek along the Sutter Creek-Volcano Road, 0.6 mile southwest of Meadowlark Lane 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
  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
  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
  UCR240885  Allophyllum integrifolium George K. Helmkamp, E. A. Helmkamp 2010-7-13 16516 Amador Northern Sierra Nevada Mountains, between the west shore of Silver Lake and CA-88; lakeside rest stop area 2235 Comment
  UCR240888  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2012-6-6 19119 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.1 miles west of Cooks Station 1439 Comment
  UCR240889  Poa bulbosa George K. Helmkamp, E. A. Helmkamp 2012-6-6 19120 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.1 miles west of Cooks Station 1439 Comment
  UCR240890  Bromus carinatus var. carinatus George K. Helmkamp, E. A. Helmkamp 2012-6-6 19121 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.1 miles west of Cooks Station 1439 Comment
  UCR240891  Lotus nevadensis var. nevadensis George K. Helmkamp, E. A. Helmkamp 2012-6-6 19135 Amador Northern Sierra Nevada Mountains, 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
  UCR240892  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-6-6 19140 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 6.2 miles south of its junction with CA-88, 5.9 mi. SW (245 deg. ) of Bear River Reservoir dam 1438 Comment
  UCR240893  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 2012-6-6 19141 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
  UCR240909  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2012-6-6 19136 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 1.5 miles south of its junction with CA-88, 5.0 mi. west (267 deg. ) of Bear River Reservoir dam 1590 Comment
  UCR240925  Gilia capitata subsp. mediomontana George K. Helmkamp, E. A. Helmkamp 2012-6-26 19272 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.9 mile south of its junction with CA-88, S of Hwy 88/Carson Pass Hwy. and W of Lower Bear Reservoir 1617 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
  UCR240927  Castilleja applegatei subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2012-6-26 19275 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 4.1 miles south of its junction with CA-88, S of Hwy 88/Carson Pass Hwy. and W of Lower Bear Reservoir 1518 Comment
  UCR240928  Triteleia ixioides subsp. anilina George K. Helmkamp, E. A. Helmkamp 2012-6-26 19276 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
  UCR240929  Clarkia rhomboidea George K. Helmkamp, E. A. Helmkamp 2012-6-26 19277 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
  UCR240931  Linanthus ciliatus George K. 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, S of Hwy 88/Carson Pass Hwy. and W of Lower Bear Reservoir 1518 Comment
  UCR240934  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2012-6-26 19282 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 8.0 miles south of its junction with CA-88, along East Panther Creek 1345 Comment
  UCR240935  Verbena lasiostachys var. lasiostachys George K. Helmkamp, E. A. Helmkamp 2012-6-26 19283 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 8.0 miles south of its junction with CA-88, along East Panther Creek 1345 Comment
  UCR240936  Potentilla glandulosa subsp. reflexa George K. Helmkamp, E. A. Helmkamp 2012-6-26 19284 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 8.0 miles south of its junction with CA-88, along East Panther Creek 1345 Comment
  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
  UCR240938  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2012-6-26 19286 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 8.0 miles south of its junction with CA-88, along East Panther Creek 1345 Comment
  UCR240940  Juncus tenuis George K. Helmkamp, E. A. Helmkamp 2012-6-26 19288 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 8.0 miles south of its junction with CA-88, along East Panther Creek 1345 Comment
  UCR240941  Phacelia egena George K. Helmkamp, E. A. Helmkamp 2012-6-26 19289 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 8.0 miles south of its junction with CA-88, along East Panther Creek 1345 Comment
  UCR240970  Artemisia ludoviciana subsp. ludoviciana George K. Helmkamp, E. A. Helmkamp 2012-10-5 19967 Amador Northern Sierra Nevada Mountains Foothills, beside Sutter Creek along the Sutter Creek-Volcano Road, 0.6 mile southwest of Meadowlark Lane 421 Comment
  UCR240971  Mentha spicata var. spicata George K. Helmkamp, E. A. Helmkamp 2012-10-5 19968 Amador Northern Sierra Nevada Mountains Foothills, beside Sutter Creek along the Sutter Creek-Volcano Road, 0.6 mile southwest of Meadowlark Lane 421 Comment
  UCR241164  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-9-7 19760 Amador Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of the junction with Fiddletown Road at Plymouth 299 Comment
  UCR241266  Asclepias fascicularis George K. Helmkamp, E. A. Helmkamp 2012-9-7 19764 Amador Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of the junction with Fiddletown Road at Plymouth 299 Comment
  UCR241315  Carex feta George K. Helmkamp, E. A. Helmkamp 2012-9-20 19880 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
  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
  UCR241319  Juncus oxymeris George K. Helmkamp, E. A. Helmkamp 2012-9-20 19876 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
  UCR241321  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2012-9-20 19874 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
  UCR241340  Calyptridium monospermum George K. Helmkamp, E. A. Helmkamp 2012-6-26 19256 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.4 mile south of its junction with CA-88/Carson Pass Hwy and W of Lower Bear Reservoir 1643 Comment
  UCR241360  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2012-6-26 19262 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
  UCR241361  Poa pratensis subsp. pratensis George K. Helmkamp, E. A. Helmkamp 2012-6-26 19261 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
  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
  UCR241363  Deschampsia danthonioides George K. Helmkamp, E. A. Helmkamp 2012-6-26 19259 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.4 mile south of its junction with CA-88/Carson Pass Hwy and W of Lower Bear Reservoir 1643 Comment
  UCR241365  Lupinus grayi George K. Helmkamp, E. A. Helmkamp 2012-6-26 19267 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
  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
  UCR241367  Epilobium glaberrimum subsp. glaberrimum George K. Helmkamp, E. A. Helmkamp 2012-6-26 19264 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.9 mile south of its junction with CA-88, S of Hwy 88/Carson Pass Hwy. and W of Lower Bear Reservoir 1617 Comment
  UCR241368  Holcus lanatus George K. Helmkamp, E. A. Helmkamp 2012-6-26 19274 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
  UCR241369  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2012-6-26 19273 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
  UCR241371  Ceanothus parvifolius George K. Helmkamp, E. A. Helmkamp 2012-6-26 19270 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
  UCR241374  Carex subfusca George K. Helmkamp, E. A. Helmkamp 2012-6-26 19254 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.4 mile south of its junction with CA-88/Carson Pass Hwy and W of Lower Bear Reservoir 1643 Comment
  UCR241375  Achnatherum occidentale subsp. californicum George K. Helmkamp, E. A. Helmkamp 2012-6-26 19253 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.4 mile south of its junction with CA-88/Carson Pass Hwy and W of Lower Bear Reservoir 1643 Comment
  UCR241376  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2012-3-22 18635 Amador Northern Sierra Nevada Mountains Foothills, Bell Road, 1.2 miles east of CA-49 at private road to Rancho Cicada Retreat 371 Comment
  UCR241377  Stachys ajugoides var. rigida George K. Helmkamp, E. A. Helmkamp 2012-6-26 19263 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.9 mile south of its junction with CA-88, S of Hwy 88/Carson Pass Hwy. and W of Lower Bear Reservoir 1617 Comment
  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
  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
  UCR241961  Centaurium muehlenbergii George K. Helmkamp, E. A. Helmkamp 2012-9-7 19781 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
  UCR241962  Polygonum punctatum George K. Helmkamp, E. A. Helmkamp 2012-9-7 19780 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
  UCR241963  Sorghum halepense George K. Helmkamp, E. A. Helmkamp 2012-9-7 19793 Amador Northern Sierra Nevada Mountains Foothills, along CA-49 in Plymouth; 0.1 mile south of its junction with Fiddletown Rd./Plymouth-Shenandoah Rd. 303 Comment
  UCR241964  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2012-9-7 19792 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
  UCR241969  Setaria pumila George K. Helmkamp, E. A. Helmkamp 2012-9-7 19782 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
  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
  UCR241972  Polygonum hydropiperoides George K. Helmkamp, E. A. Helmkamp 2012-9-7 19775 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
  UCR241973  Epilobium densiflorum George K. Helmkamp, E. A. Helmkamp 2012-9-7 19774 Amador Northern Sierra Nevada Mountains Foothills, along CA-49 in Plymouth; 0.1 mile south of its junction with Fiddletown Rd./Plymouth-Shenandoah Rd. 303 Comment
  UCR241978  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 2012-9-7 19778 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
  UCR241979  Albizia julibrissin George K. Helmkamp, E. A. Helmkamp 2012-9-7 19777 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
  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
  UCR241982  Asclepias fascicularis George K. Helmkamp, E. A. Helmkamp 2012-9-7 19786 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
  UCR241983  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2012-9-7 19784 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
  UCR241994  Lactuca serriola George K. Helmkamp, E. A. Helmkamp 2012-9-7 19769 Amador Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of the junction with Fiddletown Road at Plymouth 299 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
  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
  UCR241999  Holocarpha virgata subsp. virgata George K. Helmkamp, E. A. Helmkamp 2012-9-7 19772 Amador Northern Sierra Nevada Mountains Foothills, along CA-49, 1.2 miles north of the junction with Fiddletown Road at Plymouth 299 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
  UCR242314  Lupinus microcarpus var. densiflorus 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 mi. SSW (187 deg. ) of Pioneer 762 Comment
  UCR242315  Dichelostemma volubile George K. Helmkamp, E. A. Helmkamp 2011-6-17 17604 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
  UCR242316  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 (115 deg. ) of Pioneer 652 Comment
  UCR242317  Gilia capitata subsp. pedemontana George K. Helmkamp, E. A. Helmkamp 2011-6-17 17602 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
  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
  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
  UCR242357  Trifolium cyathiferum George K. Helmkamp, E. A. Helmkamp 2010-9-1 16870 Amador Northern Sierra Nevada Mountains, along CA-88, 2.6 miles southwest of its junction with Mormon Emigrant Trail, c. 2.75 mi. NNW of Upper Bear River Reservoir 2162 Comment
  UCR242359  Juncus ensifolius George K. Helmkamp, E. A. Helmkamp 2010-9-1 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
  UCR242570  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 Co. line at the bridge over the North Fork Mokelumne River, 1.6 mi. SE (115 deg. ) of Pioneer 652 Comment
  UCR242571  Lupinus albifrons var. collinus George K. Helmkamp, E. A. Helmkamp 2011-6-17 17600 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
  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
  UCR242573  Clarkia biloba subsp. biloba George K. Helmkamp, E. A. Helmkamp 2011-6-17 17598 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
  UCR242582  Rudbeckia californica var. californica George K. Helmkamp, E. A. Helmkamp 2010-9-1 16906 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
  UCR242583  Calochortus venustus George K. Helmkamp, E. A. Helmkamp 2011-6-17 17610 Amador Northern Sierra Nevada Mountains Foothills, junction of CA-26 and Joyce Road, northwest of the Hwy 26 bridge over North Fork Mokelumne River, 0.78 mi. SSW (187 deg. ) of Pioneer 762 Comment
  UCR242585  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2011-6-17 17608 Amador Northern Sierra Nevada Mountains Foothills, junction of CA-26 and Joyce Road, northwest of the Hwy 26 bridge over North Fork Mokelumne River, 0.78 mi. SSW (187 deg. ) of Pioneer 762 Comment
  UCR242587  Aegilops triuncialis George K. Helmkamp, E. A. Helmkamp 2011-6-17 17613 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
  UCR242593  Gilia tricolor subsp. diffusa George K. Helmkamp, E. A. Helmkamp 2010-4-3 15795 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
  UCR242605  Lupinus benthamii George K. Helmkamp, E. A. Helmkamp 2010-4-3 15806 Amador Low foothills northern Sierra Nevada Mountains, 3 mi. NE (28 deg. ) of Ione, junction of CA-124 and Willow Creek Road/Mt. Echo Dr. 189 Comment
  UCR242607  Cerastium glomeratum George K. Helmkamp, E. A. Helmkamp 2010-4-3 15804 Amador Low foothills northern Sierra Nevada Mountains, 3 mi. NE (28 deg. ) of Ione, junction of CA-124 and Willow Creek Road/Mt. Echo Dr. 189 Comment
  UCR242615  Eriogonum nudum var. nudum George K. Helmkamp, E. A. Helmkamp 2010-9-1 16881 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
  UCR242616  Rumex salicifolius var. salicifolius George K. Helmkamp, E. A. Helmkamp 2010-9-1 16880 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
  UCR242619  Eleocharis acicularis George K. Helmkamp, E. A. Helmkamp 2010-9-1 16876 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
  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
  UCR242626  Ceanothus cuneatus subsp. cuneatus George K. Helmkamp, E. A. Helmkamp 2010-4-3 15817 Amador Sierra Nevada Mountains Foothills, Fiddletown Road (= Oleta Road), 2.9 miles east of CA-49 in Plymouth 172 Comment
  UCR242632  Cryptantha mariposae George K. Helmkamp, E. A. Helmkamp 2010-4-3 15796 Amador Low foothills northern Sierra Nevada Mountains, 4.35 mi. NE (31 deg. ) of Ione, junction of Tonzi Road and CA-124/East Plymouth Hwy 180 Comment
  UCR242633  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2010-4-3 15797 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
  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
  UCR242636  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2010-4-3 15808 Amador Foothills Northern Sierra Nevada Mountains, Willow Creek Road, 1.2 miles north of its junction with CA-124, 3.7 mi. NE (22 deg. ) of Ione 175 Comment
  UCR242637  Cardamine oligosperma George K. Helmkamp, E. A. Helmkamp 2010-4-3 15809 Amador Foothills Northern Sierra Nevada Mountains, Willow Creek Road, 1.2 miles north of its junction with CA-124, 3.7 mi. NE (22 deg. ) of Ione 175 Comment
  UCR242638  Veronica peregrina George K. Helmkamp, E. A. Helmkamp 2010-4-3 15810 Amador Foothills Northern Sierra Nevada Mountains, Willow Creek Road, 1.2 miles north of its junction with CA-124, 3.7 mi. NE (22 deg. ) of Ione 175 Comment
  UCR242639  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2010-4-3 15811 Amador Foothills Northern Sierra Nevada Mountains, Willow Creek Road, 1.2 miles north of its junction with CA-124, 3.7 mi. NE (22 deg. ) of Ione 175 Comment
  UCR242644  Plantago erecta George K. Helmkamp, E. A. Helmkamp 2010-4-3 15801 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
  UCR242647  Agoseris George K. Helmkamp, E. A. Helmkamp 2010-4-3 15802 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
  UCR242649  Lepidium strictum George K. Helmkamp, E. A. Helmkamp 2010-4-3 15803 Amador Low foothills northern Sierra Nevada Mountains, 3 mi. NE (28 deg. ) of Ione, junction of CA-124 and Willow Creek Road/Mt. Echo Dr. 189 Comment
  UCR242781  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2010-4-3 15816 Amador Sierra Nevada Mountains Foothills, Fiddletown Road (= Oleta Road), 2.9 miles east of CA-49 in Plymouth 172 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
  UCR242785  Sidalcea malviflora subsp. asprella George K. Helmkamp, E. A. Helmkamp 2010-9-1 16915 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
  UCR242787  Castilleja tenuis George K. Helmkamp, E. A. Helmkamp 2010-9-1 16918 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
  UCR242788  Eucephalus breweri George K. Helmkamp, E. A. Helmkamp 2010-9-1 16914 Amador Northern Sierra Nevada Mountains, Dufrene Road 0.7 mile east of its junction with CA-88, north of Lower Bear River Reservoir 2044 Comment
  UCR242791  Platanthera dilatata var. leucostachys George K. Helmkamp, E. A. Helmkamp 2010-9-1 16910 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
  UCR242794  Penstemon George K. Helmkamp, E. A. Helmkamp 2010-9-1 16917 Amador Northern Sierra Nevada Mountains, Dufrene Road 0.7 mile east of its junction with CA-88, north of Lower Bear River Reservoir 2044 Comment
  UCR242795  Agrostis variabilis George K. Helmkamp, E. A. Helmkamp 2010-9-1 16909 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
  UCR242796  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2010-4-3 15813 A Amador Foothills Northern Sierra Nevada Mountains, Willow Creek Road, 1.2 miles north of its junction with CA-124, 3.7 mi. NE (22 deg. ) of Ione 175 Comment
  UCR242813  Eriophyllum lanatum var. integrifolium George K. Helmkamp, E. A. Helmkamp 2010-9-1 16905 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
  UCR242818  Aster integrifolius George K. Helmkamp, E. A. Helmkamp 2010-9-1 16882 A Amador Northern Sierra Nevada Mountains, along CA-88, 2.6 miles southwest of its junction with Mormon Emigrant Trail, c. 2.75 mi. NNW of Upper Bear River Reservoir 2162 Comment
  UCR242820  Gilia capillaris George K. Helmkamp, E. A. Helmkamp 2010-9-1 16883 Amador Northern Sierra Nevada Mountains, along CA-88, 2.6 miles southwest of its junction with Mormon Emigrant Trail, c. 2.75 mi. NNW of Upper Bear River Reservoir 2162 Comment
  UCR242821  Brassica kaber George K. Helmkamp, E. A. Helmkamp 2010-4-3 15813 B Amador Foothills Northern Sierra Nevada Mountains, Willow Creek Road, 1.2 miles north of its junction with CA-124, 3.7 mi. NE (22 deg. ) of Ione 175 Comment
  UCR242823  Epilobium glaberrimum subsp. fastigiatum George K. Helmkamp, E. A. Helmkamp 2010-9-1 16886 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
  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
  UCR242826  Achillea millefolium George K. Helmkamp, E. A. Helmkamp 2010-4-3 15815 Amador Sierra Nevada Mountains Foothills, Fiddletown Road (= Oleta Road), 2.9 miles east of CA-49 in Plymouth 172 Comment
  UCR242828  Aster foliaceus var. parryi George K. Helmkamp, E. A. Helmkamp 2010-9-1 16887 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
  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
  UCR242834  Phleum pratense George K. Helmkamp, E. A. Helmkamp 2010-9-1 16885 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
  UCR242835  Lupinus polyphyllus var. burkei George K. Helmkamp, E. A. Helmkamp 2010-9-1 16884 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
  UCR242836  Aster eatonii George K. Helmkamp, E. A. Helmkamp 2010-9-1 16888 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
  UCR242837  Aster George K. Helmkamp, E. A. Helmkamp 2010-9-1 16882 B 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
  UCR242841  Epilobium glaberrimum subsp. fastigiatum George K. Helmkamp, E. A. Helmkamp 2010-9-1 16908 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
  UCR246399  Stellaria media George K. Helmkamp, E. A. Helmkamp 2012-3-22 18625 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
  UCR246400  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 2012-3-22 18626 Amador Northern Sierra Nevada Mountains Foothills, Rancho Cicada Retreat; private road, 1.1 miles north of Bell Road on east side of Middle Fork Cosumnes River 255 Comment
  UCR246401  Dodecatheon clevelandii subsp. patulum George K. Helmkamp, E. A. Helmkamp 2012-3-22 18632 Amador Northern Sierra Nevada Mountains Foothills, Bell Road, 1.2 miles east of CA-49 at private road to Rancho Cicada Retreat 371 Comment
  UCR246402  Luzula comosa George K. Helmkamp, E. A. Helmkamp 2012-3-22 18631 Amador Northern Sierra Nevada Mountains Foothills, Bell Road, 1.2 miles east of CA-49 at private road to Rancho Cicada Retreat 371 Comment
  UCR246403  Claytonia parviflora subsp. grandiflora George K. Helmkamp, E. A. Helmkamp 2012-3-22 18624 A 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
  UCR246404  Geranium molle George K. Helmkamp, E. A. Helmkamp 2012-3-22 18624 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
  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
  UCR246406  Dodecatheon clevelandii subsp. patulum George K. Helmkamp, E. A. Helmkamp 2012-3-22 18622 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
  UCR246409  Erodium cicutarium George K. Helmkamp, E. A. Helmkamp 2012-3-22 18629 Amador Northern Sierra Nevada Mountains Foothills, Bell Road, 1.2 miles east of CA-49 at private road to Rancho Cicada Retreat 371 Comment
  UCR246567  Tragopogon dubius George K. Helmkamp, E. A. Helmkamp 2012-6-6 19123 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.1 miles west of Cooks Station 1439 Comment
  UCR246568  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2012-3-22 18627 Amador Northern Sierra Nevada Mountains Foothills, Bell Road, 1.2 miles east of CA-49 at private road to Rancho Cicada Retreat 371 Comment
  UCR246579  Poa palustris George K. Helmkamp, E. A. Helmkamp 2012-6-6 19132 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.1 miles west of Cooks Station 1439 Comment
  UCR246580  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2012-6-6 19133 Amador Northern Sierra Nevada Mountains, 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
  UCR246581  Ceanothus parvifolius George K. Helmkamp, E. A. Helmkamp 2012-6-6 19134 Amador Northern Sierra Nevada Mountains, 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
  UCR246582  Linanthus ciliatus George K. Helmkamp, E. A. Helmkamp 2012-6-6 19138 Amador Northern Sierra Nevada Mountains, 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
  UCR246583  Madia minima George K. Helmkamp, E. A. Helmkamp 2012-6-6 19139 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
  UCR246584  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2012-6-6 19143 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 6.2 miles south of its junction with CA-88, 5.9 mi. SW (245 deg. ) of Bear River Reservoir dam 1438 Comment
  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
  UCR246639  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2012-6-6 19148 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
  UCR246641  Lupinus grayi George K. Helmkamp, E. A. Helmkamp 2012-6-6 19137 Amador Northern Sierra Nevada Mountains, 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
  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
  UCR246645  Ribes roezlii var. roezlii George K. Helmkamp, E. A. Helmkamp 2012-6-6 19151 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
  UCR246646  Iris hartwegii subsp. hartwegii George K. Helmkamp, E. A. Helmkamp 2012-6-6 19152 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
  UCR246647  Dichelostemma multiflorum George K. Helmkamp, E. A. Helmkamp 2012-6-6 19144 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 6.2 miles south of its junction with CA-88, 5.9 mi. SW (245 deg. ) of Bear River Reservoir dam 1438 Comment
  UCR246648  Elymus glaucus var. glaucus George K. Helmkamp, E. A. Helmkamp 2012-6-6 19130 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.1 miles west of Cooks Station 1439 Comment
  UCR246651  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2012-6-6 19127 Amador Northern Sierra Nevada Mountains, along Hwy CA-88, 1.1 miles west of Cooks Station 1439 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
  UCR248364  Potentilla gracilis var. fastigiata George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21013 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  UCR248367  Stipa lemmonii George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21015 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  UCR248369  Eriophyllum lanatum var. croceum George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21027 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  UCR248370  Penstemon rydbergii var. oreocharis George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21020 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  UCR248371  Epilobium angustifolium subsp. circumvagum George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21024 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  UCR248372  Lilium parvum George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21023 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  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
  UCR248374  Spiraea densiflora George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21021 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  UCR248375  Aster occidentalis var. occidentalis George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21016 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  UCR248376  Smilacina racemosa George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21025 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  UCR248379  Lupinus lepidus var. sellulus George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21019 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  UCR248380  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 2191 Comment
  UCR248381  Penstemon roezlii George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21003 Amador Northern Sierra Nevada Mountains, Plasse Road toward Silver Lake, 0.3 mile south of CA-88/Carson Pass Hwy 2276 Comment
  UCR248382  Lepidium virginicum var. virginicum George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21002 Amador Northern Sierra Nevada Mountains, Plasse Road toward Silver Lake, 0.3 mile south of CA-88/Carson Pass Hwy 2276 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
  UCR248384  Arabis microphylla var. microphylla George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21014 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  UCR248385  Phleum pratense George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21009 Amador Northern Sierra Nevada Mountains, Plasse Road toward Silver Lake, 0.3 mile south of CA-88/Carson Pass Hwy 2276 Comment
  UCR248386  Hordeum brachyantherum subsp. brachyantherum George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21008 Amador Northern Sierra Nevada Mountains, Plasse Road toward Silver Lake, 0.3 mile south of CA-88/Carson Pass Hwy 2276 Comment
  UCR248389  Lupinus latifolius var. columbianus George K. 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 2191 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
  UCR248391  Bromus carinatus var. carinatus George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21010 Amador Northern Sierra Nevada Mountains, Plasse Road toward Silver Lake, 0.3 mile south of CA-88/Carson Pass Hwy 2276 Comment
  UCR248392  Carex multicostata George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21031 Amador Northern Sierra Nevada Mountains, Mormon Emigrant Trail at the rest stop 0.4 mile west of CA-88 (Carson Pass Hwy), near abandoned Iron Mountain ski area 2250 Comment
  UCR248393  Carex lenticularis var. impressa George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21032 Amador Northern Sierra Nevada Mountains, Mormon Emigrant Trail at the rest stop 0.4 mile west of CA-88 (Carson Pass Hwy), near abandoned Iron Mountain ski area 2250 Comment
  UCR248400  Poa George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21029 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  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
  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
  UCR248423  Carex fracta George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21006 Amador Northern Sierra Nevada Mountains, Plasse Road toward Silver Lake, 0.3 mile south of CA-88/Carson Pass Hwy 2276 Comment
  UCR248425  Lessingia leptoclada George K. Helmkamp, Elizabeth Helmkamp 2013-9-13 22293 Amador Northern Sierra Nevada Mountains Foothills, Fiddletown Road, 0.4 mile west of its junction with Shake Ridge Road 977 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
  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
  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
  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
  UCR248676  Pteridium aquilinum var. pubescens George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21030 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 Comment
  UCR248677  Delphinium nuttallianum George K. Helmkamp, Elizabeth Helmkamp 2013-7-10 21028 Amador Northern Sierra Nevada Mountains, Plasse Road at the southern end of Silver Lake, off Hwy 88/Carson Pass Hwy 2191 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
  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
  UCR249566  Triphysaria eriantha George K. Helmkamp 2013-3-14 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 319 Comment
  UCR249971  Nemophila menziesii var. menziesii George K. Helmkamp, Elizabeth Helmkamp 2013-3-26 20232 Amador Northern Sierra Nevada Foothills, Along CA-49, 1.5 miles south of its junction with Sand Ridge Road, between Plymouth and El Dorado 262 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
  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
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