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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
SD243186
Polygonum aviculare
George K. Helmkamp, E. A. Helmkamp
2011-9-23
18311
El Dorado
Northern Sierra Nevada Mountains: along Ice House Road, 8.6 miles north of its junction with US-50. Roadside.
1613
Comment
SEINET3245885
Polygonum aviculare
G. K. Helmkamp, E. A. Helmkamp
2007-1
12933
El Dorado
Northern Sierra Nevada Mountains: Along Hwy US-50, 0.4 mile southwest of Phillips.
1829
Comment
UCR171407
Polygonum aviculare
George K. Helmkamp, E. A. Helmkamp
2005-7-11
9679
El Dorado
Northern Sierra Nevada Foothills, Cameron Park (E of Sacramento, along US Highway 50); corner of Santos Street and Santos Court Road
370
Comment
UCR189209
Polygonum aviculare
George K. Helmkamp, E. A. Helmkamp
2007-9-11
12933
El Dorado
Northern Sierra Nevada Mountains, along Hwy US-50, 0.4 mile southwest of Phillips
1829
Comment
UCR190635
Polygonum aviculare
George K. Helmkamp, E. A. Helmkamp
2007-9-19
12988
El Dorado
Northern Sierra Nevada Mountains Foothills, junction of Lost Creek Road and French Creek Road just north of Frenchtown
366
Comment
UCR219163
Polygonum aviculare
George K. Helmkamp, E. A. Helmkamp
2009-10-21
15695
El Dorado
Sierra Nevada Mountains Foothills, Diamond Springs, Canyon Valley Way just south of its junction with Pleasant Valley Road
567
Comment
UCR233030
Polygonum aviculare
George K. Helmkamp, E. A. Helmkamp
2011-9-23
18311
El Dorado
Northern Sierra Nevada Mountains, along Ice House Road, 8.6 miles north of its junction with US-50
1613
Comment
UCR242018
Polygonum aviculare
George K. Helmkamp, E. A. Helmkamp
2012-9-17
19857
El Dorado
Northern Sierra Nevada Mountains Foothills, north of Pollock Pines, along Forebay Road at South Fork American River
564
Comment
UCR248535
Polygonum aviculare
George K. Helmkamp, Elizabeth Helmkamp
2013-7-25
22031
El Dorado
Northern Sierra Nevada Mountains, Wentworth Springs Road, 2.1 miles east of Stumpy Meadows Lake, 15.6 km NNE (06 deg. ) of Pollock Pines
1357
Comment
UCR255518
Polygonum aviculare
Peter Rubtzoff
1972-10-26
7053
El Dorado
Sierra Nevada Mountains, U.C. Blodgett Forest Research Station; at main station entrance
1296
Comment
RSA85916
Polygonum aviculare
F. W. Peirson
1925-7-2
6204
El Dorado
South side of Lake Tahoe.
1905
Comment
CAS-BOT-BC413929
Polygonum aviculare subsp. aviculare
Wm. Vortriede
1931-7-1
s.n.
El Dorado
Camp Sacramento
2438
Comment
CDA32182
Polygonum aviculare subsp. depressum
M. Beyers
2010-8-2
726
El Dorado
Along a dirt road below and just north of State Route 88.
1495
Comment
JEPS72804
Polygonum aviculare subsp. depressum
Gladys L. Smith
1972-8-23
3446
El Dorado
U.S. 50 below Echo Summit
2194
Comment
UCD100034
Polygonum aviculare subsp. depressum
G. K. Helmkamp; E. A. Helmkamp
2007-9-11
12933
El Dorado
Northern Sierra Nevada Mountains Foothills: Along Hwy US-50, 0.4 mile southwest of Phillips.
1829
Comment
UCD165766
Polygonum aviculare subsp. depressum
Ellen Dean; with Daniel McNair
2016-7-12
9121
El Dorado
West side of Tahoe Basin. South end of D.L. Bliss State Park. In disturbed roadside rip-rap area on west side of Highway 89.
2078
Comment
UCD42529
Polygonum aviculare subsp. depressum
Lloyd P. Tevis
1902-8-1
s.n.
El Dorado
Tallac. Lake Tahoe. (elevation estimated by label-maker)
1889
Comment
UCD61712
Polygonum aviculare subsp. depressum
Ellen Dean; M. Bibbo, J. Buck, E. McDermott, J. Poloske
2007-7-21
4243
El Dorado
Washoe Meadows State Park. Southern edge of largest fen and along adjacent logging road near sewer manhole #66.
1936
Comment
UCD72981
Polygonum aviculare subsp. depressum
Ellen Dean; K. Ehmsen, J. Poloske, M. and T. Starbuck
2007-8-25
4539
El Dorado
Washoe Meadows State Park. Northern part of park, east of junction of Upper Truckee and Mountain Meadow Roads, along undeveloped trail/road near bridges.
1924
Comment
CAS-BOT-BC414299
Polygonum aviculare subsp. neglectum
Elsie Zeile Lovegrove
1951-9-16
s.n.
El Dorado
Lake Tahoe Basin. Fallen Leaf Lake road
Comment