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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
SEINET1907216
Montia parvifolia
G. K. Helmkamp, Elizabeth A. Helmkamp
2006-1
10556
El Dorado
Northern Sierra Nevada foothills; Along Hwy US-50 at Bridal Veil Falls, east of Pacific House.
100
Comment
SEINET1004521
Dysphania botrys
G. K. Helmkamp, E. A. Helmkamp
2006-1
11507
Nevada
Northern Sierra Nevada Mountains Foothills: along Hwy CA-49, 10.4 miles north of the crossing of the South Yuba River (Camptonville 7.5' Q)
166
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
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
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
SEINET998807
Euphorbia nutans
G. K. Helmkamp, E. A. Helmkamp
2006-1
11566
Amador
Central Valley/Northern Sierra Nevada Foothills: along CA-16 0.2 miles east of Waits Station, southwest of Plymouth (Irish Hill 7.5')
305
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
UCD104331
Clarkia biloba subsp. biloba
G. K. Helmkamp; Elizabeth A. Helmkamp
2006-6-4
10614
El Dorado
Northern Sierra Nevada foothills. Along Hwy. CA-193, 1.1 miles S of the crossing of the South Fork American River.
365
Comment
SD233889
Clarkia biloba subsp. biloba
G. K. Helmkamp, E. A. Helmkamp
2006-6-4
10614
El Dorado
Northern Sierra Nevada foothills: along Hwy CA-193, 1.1 miles south of the crossing of the South Fork American River.
366
Comment
SEINET255570
Ailanthus altissima
George K. Helmkamp, E. A. Helmkamp
2006-1
11042
El Dorado
Northern Sierra Nevada Mtns foothills: along Pleasant Valley Rd., 0.3 mile west of El Dorado
366
Comment
UCR173904
Clarkia biloba subsp. biloba
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10614
El Dorado
Northern Sierra Nevada foothills, along Calif. Hwy 193, 1.1 miles south of the crossing of the South Fork American River
366
Comment
SD233919
Delphinium hansenii subsp. hansenii
G. K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10619
El Dorado
Northern Sierra Nevada foothills: Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Hwy CA-193 (Garden Valley 7.5' Q)
381
Comment
UCD104000
Acmispon argophyllus var. fremontii
G. K. Helmkamp; Elizabeth A. Helmkamp
2006-6-4
10622
El Dorado
Northern Sierra Nevada foothills. Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Hwy. CA-193.
381
Comment
UCD104333
Clarkia biloba subsp. biloba
G. K. Helmkamp; Elizabeth A. Helmkamp
2006-6-4
10621
El Dorado
Northern Sierra Nevada foothills. Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Hwy. CA-193.
381
Comment
UCD120482
Phacelia hastata
G. K. Helmkamp; Elizabeth A. Helmkamp
2006-6-4
10625
El Dorado
Northern Sierra Nevada: Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Hwy CA-193.
381
Comment
UCD133144
Hieracium albiflorum
G. K. Helmkamp; Elizabeth A. Helmkamp
2006-6-4
10624
El Dorado
Northern Sierra Nevada foothills. Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Hwy. CA-193.
381
Comment
UCD134293
Madia gracilis
G. K. Helmkamp; Elizabeth A. Helmkamp
2006-6-4
10627
El Dorado
Northern Sierra Nevada: Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Hwy CA-193.
381
Comment
UCD137001
Polypodium calirhiza
G. K. Helmkamp; Elizabeth Helmkamp
2006-6-4
10620
El Dorado
Northern Sierra Nevada: Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Highway CA-193.
381
Comment
UCD139454
Calochortus albus
G. K. Helmkamp; Elizabeth A. Helmkamp
2006-6-4
10626
El Dorado
Northern Sierra Nevada: Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Hwy CA-193.
381
Comment
UCD95788
Delphinium hansenii subsp. hansenii
G. K. Helmkamp; Elizabeth A. Helmkamp
2006-6-4
10619
El Dorado
Northern Sierra Nevada foothills: Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Hwy. CA-193.
381
Comment
UCR173809
Calochortus albus
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10626
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Calif. Hwy 193
381
Comment
UCR173810
Madia gracilis
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10627
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Calif. Hwy 193
381
Comment Read comments Jan 7 2013
UCR173811
Sanicula crassicaulis
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10628
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Calif. Hwy 193
381
Comment
UCR173815
Brodiaea elegans subsp. elegans
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10629
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Calif. Hwy 193
381
Comment
UCR173899
Delphinium hansenii subsp. hansenii
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10619
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Calif. Hwy 193
381
Comment
UCR173906
Lotus argophyllus var. fremontii
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10622
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Calif. Hwy 193
381
Comment
UCR173920
Phacelia hastata var. hastata
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10625
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Calif. Hwy 193
381
Comment
UCR173921
Antirrhinum leptaleum
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10623
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Calif. Hwy 193
381
Comment
UCR173922
Clarkia biloba subsp. biloba
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10621
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Calif. Hwy 193
381
Comment
UCR173923
Polypodium calirhiza
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10620
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Calif. Hwy 193
381
Comment
UCR173981
Hieracium albiflorum
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10624
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at Dark Canyon, 1.4 miles east of the junction with Calif. Hwy 193
381
Comment
UCR173903
Mimulus guttatus
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10616
El Dorado
Northern Sierra Nevada foothills, along Rock Creek Road, 0.1 mile east of its junction with Calif. Hwy 193
387
Comment
UCR173905
Briza minor
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10615
El Dorado
Northern Sierra Nevada foothills, along Rock Creek Road, 0.1 mile east of its junction with Calif. Hwy 193
387
Comment
UCR173924
Clarkia unguiculata
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10618
El Dorado
Northern Sierra Nevada foothills, along Rock Creek Road, 0.1 mile east of its junction with Calif. Hwy 193
387
Comment
UCR173925
Polypogon monspeliensis
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10617
El Dorado
Northern Sierra Nevada foothills, along Rock Creek Road, 0.1 mile east of its junction with Calif. Hwy 193
387
Comment
UCD109234
Trifolium obtusiflorum
G. K. Helmkamp; E. A. Helmkamp
2006-6-4
10635
El Dorado
Northern Sierra Nevada Foothills: Rock Creek Road at the crossing over Rock Creek, 6.8 miles east of the junction with Hwy CA-193.
412
Comment
UCD118888
Leptosiphon montanus
G. K. Helmkamp; Elizabeth A. Helmkamp
2006-6-4
10636
El Dorado
Northern Sierra Nevada foothills Rock Creek Road at the crossing over Rock Creek, 6.8 miles east of the junction with Calif. Hwy 193.
412
Comment
UCR173816
Linanthus ciliatus
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10636
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at the crossing over Rock Creek, 6.8 miles east of the junction with Calif. Hwy 193
412
Comment
UCR173819
Collinsia bartsiifolia var. bartsiifolia
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10637
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at the crossing over Rock Creek, 6.8 miles east of the junction with Calif. Hwy 193
412
Comment
UCR173820
Mimulus leptaleus
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10638
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at the crossing over Rock Creek, 6.8 miles east of the junction with Calif. Hwy 193
412
Comment
UCR173975
Trifolium obtusiflorum
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10635
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at the crossing over Rock Creek, 6.8 miles east of the junction with Calif. Hwy 193
412
Comment
UCR175280
Briza minor
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10638 A
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road at the crossing over Rock Creek, 6.8 miles east of the junction with Calif. Hwy 193
412
Comment
SD234522
Collinsia bartsiifolia var. bartsiifolia
G. K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10632
El Dorado
Northern Sierra Nevada foothills: Rock Creek Road, about 2.2 miles east of its junction with Hwy CA-193.
423
Comment
UCD104335
Clarkia biloba subsp. biloba
G. K. Helmkamp; Elizabeth A. Helmkamp
2006-6-4
10634
El Dorado
Northern Sierra Nevada foothills. Rock Creek Road, about 2.2 miles east of its junction with Hwy. CA-193.
423
Comment
UCD123536
Collinsia tinctoria
G. K. Helmkamp; Elizabeth A. Helmkamp
2006-6-4
10632
El Dorado
Northern Sierra Nevada foothills. Rock Creek Road, about 2.2 miles east of its junction with Hwy. CA-193.
423
Comment
UCD57486
Bromus laevipes
G. K. Helmkamp; Elizabeth A. Helmkamp
2006-6-4
10633
El Dorado
Northern Sierra Nevada foothills. Rock Creek Road, about 2.2 miles east of its junction with Hwy. CA-193.
423
Comment
RSA715281
Collinsia tinctoria
George K. Helmkamp, E. A. Helmkamp
2006-6-4
10632
El Dorado
Northern Sierra Nevada foothills: Rock Creek Road, about 2.2 miles east of its junction with Hwy CA-193.
424
Comment
UCR173812
Gilia capitata subsp. mediomontana
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10631
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road, about 2.2 miles east of its junction with Calif. Hwy 193
424
Comment
UCR173813
Collinsia tinctoria
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10632
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road, about 2.2 miles east of its junction with Calif. Hwy 193
424
Comment
UCR173814
Clarkia biloba subsp. biloba
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10634
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road, about 2.2 miles east of its junction with Calif. Hwy 193
424
Comment
UCR173817
Brodiaea elegans subsp. elegans
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10630
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road, about 2.2 miles east of its junction with Calif. Hwy 193
424
Comment
UCR173818
Bromus anomalus
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10633
El Dorado
Northern Sierra Nevada foothills, Rock Creek Road, about 2.2 miles east of its junction with Calif. Hwy 193
424
Comment
UCD112617
Adenostoma fasciculatum
G. K. Helmkamp; E. A. Helmkamp
2006-6-4
10639
El Dorado
Northern Sierra Nevada Foothills: Along Highway CA-193, 0.6 mile W of its junction with Rock Creek Road.
485
Comment
UCR173821
Adenostoma fasciculatum
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10639
El Dorado
Northern Sierra Nevada foothills, along Calif. Hwy 193, 0.6 mile west of its junction with Rock Creek Road
485
Comment
UCR173822
Bromus madritensis
George K. Helmkamp, Elizabeth A. Helmkamp
2006-6-4
10640
El Dorado
Northern Sierra Nevada foothills, along Calif. Hwy 193, 0.6 mile west of its junction with Rock Creek Road
485
Comment
SEINET1004958
Epilobium brachycarpum
G. K. Helmkamp, E. A. Helmkamp
2006-1
11481
Calaveras
Along Hwy CA-26, 0.8 mi east of Ca-49 in the vicinity of Mokulumne Hill.
488
Comment
SEINET1005020
Heterotheca grandiflora
G. K. Helmkamp, E. A. Helmkamp
2006-1
11484
Calaveras
Northern Sierra Nevada Mountains Foothills: along Hwy CA- 26, 0.8 mi east of CA-49 in the vicinity of Mokulumne Hill.
488
Comment
SEINET1007348
Linaria elatine
G. K. Helmkamp, E. A. Helmkamp
2006-1
11480
Calaveras
Northern Sierra Nevada Mountains Foothills: along Hwy CA-26, 0.8 mi east of CA-49 in the vicinity of Mokulumne Hill.
488
Comment
SEINET954242
Panicum capillare
G. K. Helmkamp, E. A. Helmkamp
2006-1
11495
Calaveras
Northern Sierra Nevada Mountains Foothills; along Hwy CA-26, 0.8 mi east of CA-49 in the vicinity of Mokulumne Hill
488
Comment
SEINET998815
Ericameria arborescens
G. K. Helmkamp, E. A. Helmkamp
2006-1
11494
Calaveras
Northern Sierra Nevada Mountains Foothills: along Hwy CA-26, 0.8 mi east of CA-49 in the vicinity of Mokulumne Hill
488
Comment
SEINET998816
Euphorbiaceae
G. K. Helmkamp, E. A. Helmkamp
2006-1
11485
Calaveras
Northern Sierra Nevada Mountains Foothills: along Hwy CA-26, 0.8 mi east of CA-49 in the vicinity of Mokulumne Hill.
488
Comment
SEINET998817
Centaurea solstitialis
G. K. Helmkamp, E. A. Helmkamp
2006-1
11486
Calaveras
Northern Sierra Nevada Mountains Foothills: along Hwy CA-26, 0.8 mi east of CA-49 in the vicinity of Mokulumne Hill.
488
Comment
SEINET998818
Daucus carota
G. K. Helmkamp, E. A. Helmkamp
2006-1
11488
Calaveras
Northern Sierra Nevada Mountains Foothills: along Hwy CA-26, 0.8 mi east of CA-49 in the vicinity of Mokulumne Hill
488
Comment
SEINET954250
Andropogon virginicus var. virginicus
G. K. Helmkamp, E. A. Helmkamp
2006-1
11581
El Dorado
Northern Sierra Nevada Mountains Foothills: 0.2 mile west of Diamond Spring along Pleasant Valley Road.
536
Comment
SEINET998814
Euphorbia nutans
G. K. Helmkamp, E. A. Helmkamp
2006-1
11532
El Dorado
Northern Sierra Nevada Mountains Foothills: Diamond Springs; village along Hwy CA-49 south of Placerville (Placerville 7.5' Q)
539
Comment
SEINET3246083
Quercus kelloggii
G. K. Helmkamp, E. A. Helmkamp
2006-1
11502
Calaveras
Northern Sierra Nevada Mountains Foothills: along Hwy CA-26 southeast of West Point.
738
Comment
SEINET954253
Sorghum halepense
G. K. Helmkamp, E. A. Helmkamp
2006-1
11504
Calaveras
Northern Sierra Nevada Mountains Foothlls; along Hwy CA-26 southeast of West Point.
738
Comment
SEINET998819
Nicotiana acuminata var. multiflora
G. K. Helmkamp, E. A. Helmkamp
2006-1
11547
El Dorado
Northern Sierra Nevada Mountains Foothills: 0.6 mile northwest of Pleaseant Valley along Pleasant Valley Road
756
Comment
SEINET949797
Bromus hordeaceus
G. K. Helmkamp, E. A. Helmkamp
2006-1
10553
El Dorado
Northern Sierra Nevada Mountains: Junction of Ice House Canyon Road and West Meadows Road (SSW of Union Valley Reservoir, just N of US HWY 50) (Riverton 7.5' Q).
1067
Comment
SEINET1907214
Cordylanthus tenuis subsp. tenuis
G. K. Helmkamp, E. A. Helmkamp
2006-1
11212
Placer
Northern Sierra Nevada Mtns foothills: along Forest Hill Rd., 8.7 miles northeast of Forest Hill.
1311
Comment
SEINET954244
Muhlenbergia filiformis
G. K. Helmkamp, E. A. Helmkamp
2006-1
11288
El Dorado
Northern Sierra Nevada Mountains: Ice House Road, 3.8 miles north of Wentworth Springs Road.
1615
Comment
SEINET1907233
Mimulus moschatus
G. K. Helmkamp, E. A. Helmkamp
2006-1
11233
Nevada
Northern Sierra Nevada Mtns: just south of I-80 on Lake Valley Rd.
1754
Comment
SEINET2033394
Potentilla gracilis var. fastigiata
George K. Helmkamp, E. A. Helmkamp
2006-1
11019
El Dorado
Northern Sierra Nevada Mtns. North Truckee River Rd., 14 miles north of CA-50 and ca. 6 miles south of Lake Tahoe
2009
Comment
SEINET998826
Apocynum androsaemifolium
G. K. Helmkamp, E. A. Helmkamp
2006-1
11028
El Dorado
Northern Sierra Nevada Mtns: North Truckee River Rd., 1.4 miles north of CA-50 and ca. 6 miles south of the Lake Tahoe.
2009
Comment
SEINET3123354
Solidago canadensis subsp. elongata
George K. Helmkamp, E. A. Helmkamp
2006-1
11022
El Dorado
Northern Sierra Nevada Mtns: North Truckee River Rd., 1.4 miles north of CA-50 and ca. 6 miles south of Lake Tahoe
2009
Comment
SEINET1907234
Penstemon azureus var. azureus
G. K. Helmkamp, E. A. Helmkamp
2006-1
11249
Nevada
Northern Sierra Nevada Mtns: about 0.7 mile east of Donner Pass along Donner Pass Rd.
2041
Comment
SEINET953017
Fabaceae
G. K. Helmkamp, E. A. Helmkamp
2006-1
11255
Nevada
Northern Sierra Nevada Mtns: about 0.7 mile east of Donner Pass along Donner Pass Rd. (Noren 7.5 Q)
2041
Comment
SEINET998828
Apocynum androsaemifolium
G. K. Helmkamp, E. A. Helmkamp
2006-1
11245
Nevada
Northern Sierra Nevada Mtns: about 0.7 mile east of Donner Pass along Donner Pass Rd
2041
Comment
SEINET998825
Potentilla gracilis var. fastigiata
G. K. Helmkamp, E. A. Helmkamp
2006-1
11035
El Dorado
Northern Sierra Nevada Mtns: 2.5 miles south of Hwy US-50, beside Philips on Sierra-at-Tahoe Rd
2225
Comment