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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CAS-BOT-BC333287
Acer macrophyllum
Gordon H. True
1965-6-9
2023
Nevada
Sierra Nevada. So. Yuba River Canyon north of Hwy 49 Bridge
518
Comment
UCD104061
Acmispon brachycarpus
G. K. Helmkamp; E. A. Helmkamp
2006-10-10
11520
Nevada
Northern Sierra Mountains Foothills: along Hwy. CA-49, 5.8 miles NNW of Nevada City.
750
Comment
SEINET3285088
Aegilops triuncialis
George K. Helmkamp, E. A. Helmkamp
2009-5-28
14815
Nevada
Sierra Nevada Mountains Foothills; along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City.
780
Comment
UCR206911
Aegilops triuncialis
George K. Helmkamp, E. A. Helmkamp
2009-5-28
14815
Nevada
Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City
780
Comment
CAS-BOT-BC29646
Agoseris grandiflora var. grandiflora
Gordon H. True; J. T. Howell
1971-6-30
6732
Nevada
Highway 49, 2 miles west of Indian Flat on Rush Creek
609
Comment
UCR206962
Agoseris retrorsa
George K. Helmkamp, E. A. Helmkamp
2009-5-28
14817 A
Nevada
Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City
780
Comment
CAS-BOT-BC127121
Agrostis exarata
David D. Keck
1944-7-8
5394 a
Nevada
Sierra Nevada. 7 miles northwest of Nevada City on highway down to South Fork of Yuba River.
457
Comment
SEINET3285089
Aira caryophyllea
George K. Helmkamp, E. A. Helmkamp
2009-5-28
14814
Nevada
Sierra Nevada Mountains Foothills; along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City.
780
Comment
UCR173529
Aira caryophyllea
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10398
Nevada
Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City)
402
Comment
UCR206963
Aira caryophyllea
George K. Helmkamp, E. A. Helmkamp
2009-5-28
14814
Nevada
Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City
780
Comment
UC1982288
Allium campanulatum
Virginia Moran
2007-5-10
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. Collected from the west drainage.
Comment
CAS-BOT-BC128724
Arbutus menziesii
Gordon H. True
1966-4-8
2705 A
Nevada
Excelsior Ditch in South Yuba Canyon just east of Hiway 49
457
Comment
UCD117485
Arbutus menziesii
G. K. Helmkamp; E. A. Helmkamp
2007-3-31
11728
Nevada
Northern Sierra Nevada Mountains: Just south of the crossing of CA-49 over the South Yuba River.
390
Comment
UCR189451
Arbutus menziesii
George K. Helmkamp, E. A. Helmkamp
2007-3-31
11728
Nevada
Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River
390
Comment
CAS-BOT-BC47116
Arctostaphylos viscida subsp. viscida
Ella Dales Cantelow
1938-7-2
2261
Nevada
5 mi. w. of Nevada City.
Comment
CAS-BOT-BC400408
Aristolochia californica
Gordon H. True
1964-4-6
1419
Nevada
On Excelsior Ditch so. side of So. Yuba River, just east of Hiway. 49
457
Comment
CHSC28853
Aristolochia californica
Jeffrey M. Lund
1979-4-7
9
Nevada
Located on edge of Yuba River.
609
Comment
JEPS49849
Asclepias eriocarpa
W. L. Jepson
1934-7-30
16766
Nevada
ca. 2 mi from Nevada City (on road from North San Juan)
Comment
CHSC28839
Athysanus pusillus
Jeffrey M. Lund
1979-4-20
15
Nevada
762
Comment
SBBG8879
Berberis aquifolium var. repens
T. Niehaus
1959-4-1
10
Nevada
ridge, SE 1/4 of T16N R8E S16
Comment
CDA19605
Briza minor
M. I. Wibawa, L. Pico
2002-6-1
299
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd.
Comment
CHSC91717
Briza minor
M. I. Wibawa; L. Pico
2002-6-1
299
Nevada
San Juan Ridge. Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd. Meadow. UTM: 10S, 4355398 N, 0663938 E.
700
Comment
JEPS5503
Brodiaea minor
W. I. Follett
1936-6-27
Nevada
6 mi nw Nevada City
Comment
JEPS5688
Brodiaea sierrae
W. I. Follett
1936-6-27
Nevada
6 mi nw Nevada City
Comment
UCR173587
Bromus carinatus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10389
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
CAS-BOT-BC149283
Bromus carinatus var. carinatus
Gordon H. True; John Thomas Howell
1971-7-1
6854
Nevada
Sierra Nevada. Newtown Road ca. 2 miles southwest of Indian Flat.
701
Comment
UCD58584
Bromus diandrus
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10386
Nevada
Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City).
637
Comment
UCR173348
Bromus diandrus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10386
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
UCR173690
Bromus hordeaceus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10390
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
CAS-BOT-BC162418
Bromus laevipes
Gordon H. True; John Thomas Howell
1971-6-30
6725
Nevada
Highway 49, 2 miles west of Indian Flat on Rush Creek.
609
Comment
CAS-BOT-BC162421
Bromus laevipes
Gordon H. True; John Thomas Howell
1971-7-1
6853
Nevada
Sierra Nevada. Newtown Road ca. 2 miles southwest of Indian Flat.
701
Comment
UCD58937
Bromus laevipes
Gordon H. True; John Thomas Howell
1971-6-30
6725
Nevada
Highway 49. 2 miles west of Indian Flat on Rush Creek.
609
Comment
CDA27238
Bromus madritensis subsp. rubens
M. I. Wibawa, L. Pico
2002-6-1
311
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd
Comment
CHSC91708
Bromus madritensis subsp. rubens
M. I. Wibawa; L. Pico
2002-6-1
311
Nevada
San Juan Ridge. Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd. Flats above meadow. UTM: 10S, 4355398 N, 0663938 E.
700
Comment
JEPS69209
Bromus madritensis subsp. rubens
Leland S. Smith
1926-4-12
1766
Nevada
above South Fork Yuba River (Tahoe National Forest); Tahoe National Forest
365
Comment
CAS-BOT-BC162015
Bromus racemosus
Gordon H. True; John Thomas Howell
1971-6-30
6726 A
Nevada
Highway 49, 2 miles west of Indian Flat on Rush Creek.
609
Comment
CAS-BOT-BC161825
Bromus rubens
Gordon H. True
1963-5-2
1210
Nevada
Sierra Nevada. Nevada City - North San Juan Highway at South Yuba Bridge.
391
Comment
UCD60219
Bromus tectorum
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10397
Nevada
Northern Sierra Nevada Foothills: CA Hwy. 49 at the crossing of the South Yuba River (N of Nevada City).
402
Comment
UCR173689
Bromus tectorum
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10397
Nevada
Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City)
402
Comment
JEPS61612
Calochortus albus
Leland S. Smith
1926-4-12
1765
Nevada
n side South Fork Yuba River; Tahoe National Forest, Bunker Hill
609
Comment
UCR173358
Calochortus albus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10422
Nevada
Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge
534
Comment
UCR195160
Calochortus albus
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12087
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City
518
Comment
UC1982287
Calochortus leichtlinii
Virginia Moran
2007-6-5
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road.
Comment
CHSC60198
Calochortus monophyllus
J. Lund
1980-4-28
Nevada
2.0 miles from Cement Hill Road on Augustine Road.
914
Comment
UCD139556
Calochortus monophyllus
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10369
Nevada
Northern Sierra Nevada Mtns.: Cedarsong Road, 0.1 mi. NE of CA Hwy 49 (NW of Nevada City).
637
Comment
UCD139565
Calochortus monophyllus
L. P. Thibault
1995-5-13
28
Nevada
West side of Highway 49 at Rooster Hill Rd.
600
Comment
UCR173583
Calochortus monophyllus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10369
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
JEPS80689
Calycadenia multiglandulosa
L. R. Heckard and T. I. Chuang
1981-6-11
5540
Nevada
0.3 mi s of junction with (ca. 3 mi w of Nevada City) Highway 49 (along Newtown Road)
731
Comment
UC717998
Calycadenia multiglandulosa
David D. Keck
1944-7-8
5393
Nevada
7 mi nw of, on highway down to South Fork of Yuba River Nevada City; Sierra Nevada, South Fork of Yuba River
457
Comment
UCD63359
Calycadenia multiglandulosa
Daniel Sanchez-Mata
2006-6-20
s.n.
Nevada
Nevada City. Newton Road.
690
Comment
UCR200668
Calycadenia multiglandulosa
Daniel Sanchez-Mata
2006-6-20
s.n.
Nevada
Sierra Nevada Foothills, Nevada City, Newton Road
690
Comment
UCD114518
Cardamine hirsuta
G. K. Helmkamp; E. A. Helmkamp
2007-3-31
11720
Nevada
Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River.
390
Comment
UCR188863
Cardamine hirsuta
George K. Helmkamp, E. A. Helmkamp
2007-3-31
11720
Nevada
Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River
390
Comment
UCR173353
Carex cusickii
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10414
Nevada
Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge
534
Comment
CHSC100953
Carex gracilior
Virginia Moran
2007-5-10
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. and 0.6 mile northeast of Deer Creek.
660
Comment
UC1982284
Carex multicostata
Virginia Moran
2007-5-10
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. Collected from the west drainage. Drains west across Avian Way
Comment
UC1982289
Carex nebrascensis
Virginia Moran
2007-5-10
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. Collected from the central or east drainage.
Comment
UC1982290
Carex pellita
Virginia Moran
2007-5-10
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. Collected from the west drainage.
Comment
JEPS81859
Castilleja affinis subsp. affinis
L. R. Heckard with J. C. Hickman and R. C. Bacigalupi
1982-5-11
5854
Nevada
ca 3 mi w Nevada City (2 mi sw of Highway 49, on Newtown road)
Comment
CAS-BOT-BC249679
Castilleja applegatei subsp. pinetorum
Gordon H. True
1962-5-1
551
Nevada
Nevada City-North San Juan Highway, just west of South Yuba Bridge
396
Comment
CAS-BOT-BC249681
Castilleja applegatei subsp. pinetorum
Gordon H. True
1966-4-28
2760
Nevada
South Yuba River at head of Excelsior Ditch about 1/2 miles east of Hiway 49 bridge
579
Comment
CAS-BOT-BC249692
Castilleja applegatei subsp. pinetorum
Gordon H. True
1970-5-16
5341
Nevada
Excelsior Ditch just E. of Hwy 49. near S. fork Yuba River Bridge
441
Comment
JEPS81860
Castilleja lacera
L. R. Heckard with J. C. Hickman and R. C. Bacigalupi
1982-5-11
5853
Nevada
ca 3 mi w Nevada City (along Newton road, 2 mi sw of Highway 49)
Comment
CHSC59353
Castilleja subinclusa
Thomas J. Van Wagner
1992-3-30
7
Nevada
Along n side Newtown Rd., 3 km s of State Highway 49, 6.5 km w of Nevada City.
665
Comment
UCD111972
Ceanothus integerrimus
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10391
Nevada
Northern Sierra Nevada: CA Hwy 49 at the crossing of the South Yuba River (N of Nevada City).
402
Comment
UCR173347
Ceanothus integerrimus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10384
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
UCR173526
Ceanothus integerrimus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10391
Nevada
Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City)
402
Comment
UCSB28081
Ceanothus integerrimus
Kunze, G.
1971-6-6
Nevada
California 49, 5 miles south of North San Juan
548
Comment
CAS-BOT-BC51747
Ceanothus lemmonii
Nancy Kittle
1981-5-17
064
Nevada
On Rt. 49, ca. 10 miles West of Nevada City
300
Comment
CAS-BOT-BC51749
Ceanothus lemmonii
Gordon H. True; John Thomas Howell
1971-6-30
6729
Nevada
Highway 49, 2 miles West of Indian Flat on Rush Creek
609
Comment
CHSC39453
Ceanothus lemmonii
B. A. Stein; J. Nachlinger
1981-5-16
539
Nevada
Highway 49 c. 5 miles north of Nevada City.
1219
Comment
RSA517194
Ceanothus lemmonii
G. H. True, John T. Howell
1971-6-30
6729
Nevada
Hwy 49, 2 miles W of Indian Flat on Rush Creek.
610
Comment
UCD112166
Ceanothus lemmonii
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10378
Nevada
Northern Sierra Nevada Mtns.: Cedarsong Road, 0.1 mi. NE of CA Hwy 49 (NW of Nevada City).
637
Comment
UCR173340
Ceanothus oliganthus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10378
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
UCR173351
Ceanothus oliganthus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10420
Nevada
Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge
534
Comment
SD212711
Ceanothus tomentosus
G. K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10378
Nevada
Cedarsong Road, 0.1 mile Northeast of Ca Highway 49 (Northwest of Nevada City)
637
Comment
JEPS64774
Cercis occidentalis
Willis L. Jepson
1892-4-15
13578
Nevada
Randolph Flat
Comment
SEINET3246065
Cercis occidentalis
G. K. Helmkamp, E. A. Helmkamp
2007-1
11725
Nevada
Foothills, Northern Sierra Nevada Mountains: just south of the crossing of CA-49 over the South Yuba River.
390
Comment
UCD105648
Cercis occidentalis
G. K. Helmkamp; E. A. Helmkamp
2007-3-31
11725
Nevada
Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River.
390
Comment
UCR188874
Cercis occidentalis
George K. Helmkamp, E. A. Helmkamp
2007-3-31
11725
Nevada
Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River
390
Comment
CAS-BOT-BC135490
Cercocarpus betuloides var. betuloides
Lillian S. Mott
1965-4-4
LM 6562
Nevada
Excelsior Ditch
457
Comment
CAS-BOT-BC135491
Cercocarpus betuloides var. betuloides
Gordon H. True
1966-4-28
2763
Nevada
South Yuba River at head of Excelsior Ditch about 1 1/2 miles east of Hiway 49 bridge.
579
Comment
CDA19594
Chamaebatia foliolosa
M. I. Wibawa, L. Pico
2002-6-1
287
Nevada
Sierra Nevada; Independence trail, off Hwy 49, +-6 mi N of Nevada City, above S Yuba R.
Comment Read comments Jun 17 2008
SEINET7927624
Chamaebatia foliolosa
C. Davidson, S. Christoph
2013-4-19
12135
Nevada
Highway 49 north of Nevada City, 0.5 mile south of South Yuba River Bridge.; 0
444
Comment
UC1127940
Chamaebatia foliolosa
J. E. Sowder
1933-5-12
65
Nevada
2 1/2 mi nw of Nevada City
822
Comment
UCD112947
Chamaebatia foliolosa
L. P. Thibault
1995-5-13
27
Nevada
West side of Highway 49 at Rooster Hill Rd.
600
Comment
JEPS82347
Chlorogalum pomeridianum var. pomeridianum
L. R. Heckard
1969-6-2
2288
Nevada
along state 49 about 1 mi n South Fork Yuba River bridge; South Fork Yuba River
Comment
JEPS28066
Clarkia biloba
Rimo Bacigalupi and L. Heckard
1961-6-16
7823
Nevada
just 0.3 mi w of bridge crossing South Fork of Yuba River (along Calif. highway 49, on s bank of river); Canyon of South Fork of Yuba River
381
Comment
CAS-BOT-BC163585
Clarkia biloba subsp. biloba
Gordon H. True; John Thomas Howell
1971-6-30
6727
Nevada
Highway 49, 2 miles west of Indian Flat on Rush Creek
609
Comment
CHSC100956
Clarkia biloba subsp. brandegeeae
Virginia Moran
2007-6-4
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road. and 0.6 mile northeast of Deer Creek.
672
Comment
JEPS109877
Clarkia biloba subsp. brandegeeae
Dean W. Taylor
2005-6-23
19374
Nevada
South Yuba River Highway 49 bridge; north bridge abutment
365
Comment
LA205998
Clarkia biloba subsp. brandegeeae
H. Lewis; M. Lewis
1947-6-11
387
Nevada
highway 49, 1.0 mi. S of South Fork of the Yaba River
Comment
LA84424
Clarkia biloba subsp. brandegeeae
Rimo Bacigalupi; L. R. Heckard
1961-6-16
7823
Nevada
canyon of the South Fork of the Yuba River, on S bank of river, along CA highway 49, just 0.3 mi. W of bridge crossing river
380
Comment
RSA108172
Clarkia biloba subsp. brandegeeae
Harlan Lewis, M. Lewis
1947-6-11
s.n.
Nevada
hwy 49, 1 mile south off South Fork of Yuba River
Comment
UC1071950
Clarkia biloba subsp. brandegeeae
H. and M. Lewis
1947-6-11
387
Nevada
1.0 mi s South Fork of Yuba River (Highway 49)
Comment
UC1982286
Clarkia biloba subsp. brandegeeae
Virginia Moran
2007-6-4
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road.
Comment
UCD85106
Clarkia biloba subsp. brandegeeae
Dena Grossenbacher; Joel Smith
2009-6-23
1063
Nevada
Along Highway 49 at South Fork Yuba River on east side of river at parking area.
408
Comment
UCR194885
Clarkia biloba subsp. brandegeeae
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12101
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 6.9 miles north of Nevada City at the crossing of the South Yuba River
372
Comment
UCR224687
Clarkia biloba subsp. brandegeeae
Dena Grossenbacher, Joel Smith
2009-6-23
1063
Nevada
Along Hwy 49 at South Fork Yuba River on east side of river at parking area
409
Comment
UCR206964
Clarkia purpurea subsp. quadrivulnera
George K. Helmkamp, E. A. Helmkamp
2009-5-28
14813
Nevada
Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City
780
Comment
JEPS78353
Clarkia purpurea subsp. viminea
L. R. Heckard
1979-7-2
5132
Nevada
about 3 air mi nw Grass Valley (just n of junction of Highway 20 on Ridge Road)
Comment
JEPS43308
Claytonia parviflora subsp. parviflora
Willis L. Jepson
1892-4-15
Nevada
Deer Creek Ridge; w Nevada County
Comment
UCR54302
Claytonia perfoliata
B. G. Pitzer, Steve Morgan, H. M. Soldan
1988-5-28
0936
Nevada
Sierra Nevada Mtns, Tahoe National Forest, French Corral Creek Road, just off Hwy 49, c. 2 mi. north of bridge across South Fork of Yuba River
671
Comment
CDA19596
Collomia heterophylla
M. I. Wibawa, L. Pico
2002-6-1
289
Nevada
Sierra Nevada; Independence trail, off Hwy 49, +-6 mi N of Nevada City, above S Yuba R.
Comment
CAS-BOT-BC209803
Cornus glabrata
Gordon H. True; John Thomas Howell
1971-6-30
6728
Nevada
Highway 49, 2 miles west of Indian Flat on Rush Creek
609
Comment
RSA515728
Cornus nuttallii
B. Pitzer, S. Morgan, H. Soldan
1988-5-25
930
Nevada
Tahoe National Forest, French Corral Creek Road. Just off Hwy 49, ca. 2 mi. N of bridge across South Fork of Yuba River.
671
Comment
UCR54301
Cornus nuttallii
B. G. Pitzer, Steve Morgan, H. M. Soldan
1988-5-28
0930
Nevada
Sierra Nevada Mtns, Tahoe National Forest, French Corral Creek Road, just off Hwy 49, c. 2 mi. north of bridge across South Fork of Yuba River
671
Comment
UCD117260
Cornus sessilis
Ted Niehaus
1959-4-1
14
Nevada
Southeast 1/4 of Sec. 16 where Deer Creek enters from Sec. 15, T16N R8E.
Comment
RSA0045228
Croton setiger
George K. Helmkamp, E. A. Helmkamp
2006-10-10
11519
Nevada
along Calif. Hwy 49, 5.8 miles NNW of Nevada City
750
Comment
UCR179802
Croton setiger
George K. Helmkamp, E. A. Helmkamp
2006-10-10
11519
Nevada
Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City
750
Comment
CAS-BOT-BC80724
Cupressus macnabiana
Gordon H. True
1971-6-8
6670
Nevada
Newtown Road between Newtown and Indian Flat
716
Comment
CAS-BOT-BC80725
Cupressus macnabiana
Gordon H. True; J. T. Howell
1965-7-15
2308
Nevada
Ridge Road just west of Hughes Road intersection, Grass Valley
807
Comment
UC1134219
Cupressus macnabiana
J. E. Sowder and R. W. Lundh
1933-4-15
31
Nevada
1 mi n Grass Valley; Smartsville Quadrangle
Comment
UC1134220
Cupressus macnabiana
N. French
1933-5-9
50
Nevada
n of Grass Valley; Smartsville Quadrangle
731
Comment
UC567155
Cupressus macnabiana
J. E. Sowder and R. W. Lundh
1933-4-15
31
Nevada
1 mi n Grass Valley; Smartsville Quadrangle
Comment
UC578034
Cupressus macnabiana
H. A. Jensen
1934-11-1
394
Nevada
head Rush Creek (two mi w of Nevada City. Rush Creek a tributary of South Fork Yuba River); Smartsville Quadrangle
762
Comment
UCD133579
Cupressus macnabiana
Gordon H. True; John Thomas Howell
1965-7-15
2308
Nevada
Ridge Road, just west of Hughes Rd. intersection, Grass Valley.
807
Comment
CHSC28812
Cynoglossum grande
Jeffrey M. Lund
1979-4-7
9
Nevada
Located on hillside below road.
609
Comment
UCR195162
Cynoglossum grande
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12094
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City
518
Comment
CDA19598
Cynosurus echinatus
M. I. Wibawa, L. Pico
2002-6-1
292
Nevada
Sierra Nevada; Independence trail, off Hwy 49, +-6 mi N of Nevada City, above S Yuba R.
Comment
SBBG92350
Cynosurus echinatus
B. Pitzer, S. Morgan, H. Soldan
1988-5-28
911
Nevada
St Hwy 49 at bridge over S fork of Yuba River, ca. 6 mi WNW of Nevada City
Comment
UCD105676
Cytisus scoparius
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10396
Nevada
Northern Sierra Nevada Foothills: CA Hwy. 49 at the crossing of the South Yuba River (N of Nevada City).
402
Comment
UCD105678
Cytisus scoparius
G. K. Helmkamp; E. A. Helmkamp
2006-10-10
11522
Nevada
Northern Sierra Mountains Foothills: along Hwy. CA-49, 5.8 miles NNW of Nevada City.
750
Comment
UCD105679
Cytisus scoparius
G. K. Helmkamp; E. A. Helmkamp
2007-3-31
11726
Nevada
Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River.
390
Comment
UCR173342
Cytisus scoparius
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10396
Nevada
Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City)
402
Comment
UCR179306
Cytisus scoparius
George K. Helmkamp, E. A. Helmkamp
2006-10-10
11522
Nevada
Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City
750
Comment
UCR189449
Cytisus scoparius
George K. Helmkamp, E. A. Helmkamp
2007-3-31
11726
Nevada
Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River
390
Comment
UCR174529
Dactylis glomerata
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10417
Nevada
Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge
534
Comment
CHSC28816
Delphinium gracilentum
Jeffrey M. Lund
1979-4-12
12
Nevada
Located on edge of roadside.
670
Comment
CHSC60192
Delphinium gracilentum
J. Lund
1980-4-28
Nevada
2.0 miles from Cement Hill Road on Augustine Road.
914
Comment
RSA515727
Delphinium gracilentum
B. Pitzer
1988-5-28
927
Nevada
Tahoe National Forest, French Corral Creek Road, just Hwy 49, 2 miles N bridge across S Fork of Yuba River.
671
Comment
UCR54294
Delphinium gracilentum
B. G. Pitzer, Steve Morgan, H. M. Soldan
1988-5-28
927
Nevada
Sierra Nevada Mtns, Tahoe National Forest, French Corral Creek Road, just off Hwy 49, c. 2 mi. north of bridge across South Fork of Yuba River
671
Comment
UCR54290
Dicentra formosa
B. G. Pitzer, Steve Morgan, H. M. Soldan
1988-5-28
0926
Nevada
Sierra Nevada Mtns, Tahoe National Forest, French Corral Creek Road, just off Hwy 49, c. 2 mi. north of bridge across South Fork of Yuba River
671
Comment
RSA515689
Dicentra formosa subsp. formosa
B. Pitzer, S. Morgan, H. Soldan
1988-5-28
926
Nevada
Tahoe National Forest, French Corral Creek Road, just Hwy 49, 2 miles N bridge across S Fork of Yuba River.
671
Comment
SEINET3927935
Dichanthelium acuminatum
Unknown
2006-6-19
s.n.
Nevada
Nevada City. Newton Road.; 0
690
Comment
CAS-BOT-BC209223
Dichanthelium acuminatum subsp. acuminatum
Gordon H. True
1971-7-1
6855
Nevada
Newtown Rd. ca. 2 mi. SW of Indian Flat - Sierra Nevada
701
Comment
UCR200674
Dichanthelium acuminatum subsp. thermale
Daniel Sanchez-Mata
2006-6-20
s.n.
Nevada
Sierra Nevada Foothills, Nevada City, Newton Road
690
Comment
SEINET9313430
Dichanthelium acuminatum var. thermale
Unknown
2006-6-20
Nevada
Nevada City, Newton Road. Plant communities developed on springs. With Mimulus guttatus and Hordeum brachyantherum on serpentine soils.
Comment
UCD139205
Dichelostemma capitatum subsp. capitatum
L. P. Thibault
1995-5-13
20
Nevada
San Juan Ridge just below summit of Bald Mountain.
925
Comment
CAS-BOT-BC150470
Diplacus grandiflorus
Gordon H. True
1962-5-1
530
Nevada
Nevada City-North San Juan Highway, just west of South Yuba Bridge
Comment
CHSC28842
Diplacus kelloggii
Jeffrey M. Lund
1979-4-12
12
Nevada
U.S.D.I. Geological Survey Map. Located at edge of roadside.
670
Comment
UCR173720
Elymus glaucus var. glaucus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10388
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
UCR54305
Epilobium brachycarpum
B. G. Pitzer, Steve Morgan, H. M. Soldan
1988-5-28
0928
Nevada
Sierra Nevada Mtns, Tahoe National Forest, French Corral Creek Road, just off Hwy 49, c. 2 mi. north of bridge across South Fork of Yuba River
671
Comment
CAS-BOT-BC131574
Ericameria arborescens
Gordon H. True
1969-10-14
5143
Nevada
Nevada City-North San Juan Highway, 3 miles south of North San Juan
579
Comment
SBBG92379
Erigeron foliosus
B. Pitzer, S. Morgan, H. Soldan
1988-5-28
916
Nevada
St Hwy 49 at bridge over S fork of Yuba River, ca. 6 mi WNW of Nevada City
Comment
UCR206966
Eriodictyon californicum
George K. Helmkamp, E. A. Helmkamp
2009-5-28
14816
Nevada
Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City
780
Comment
UCR80215
Eriogonum luteolum var. luteolum
P. A. Munz
1948-8-11
12316
Nevada
Bridge over S fork of Yuba River (Hwy 49)
352
Comment
RSA489565
Eriogonum prattenianum var. prattenianum
James L. Reveal
1988-6-3
7009
Nevada
Along Hwy 20 in Grass Valley betw Sunset View and Alta Hill, 0.2 mile W of Ridge road and 0.3 mile E of Mills Road.
823
Comment
UCR195165
Eriophyllum lanatum var. croceum
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12091
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City
518
Comment
CDA19622
Eriophyllum lanatum var. grandiflorum
M. I. Wibawa, L. Pico
2002-6-1
318
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd.,
Comment
SEINET3840894
Eriophyllum lanatum var. grandiflorum
M. I. Wibawa, L. Pico
2002-6-1
318
Nevada
Along Highway 49, wo miles souh of junction to Tyler Foote Crossing Road, Edges of Quercus Kellogii Forest
700
Comment
CHSC91810
Erythranthe guttata
M. I. Wibawa; L. Pico
2002-6-1
300
Nevada
San Juan Ridge. Along Hwy 40, +-2 mi S of junction to Tyler Foote Crossing Rd. Meadow with stream. UTM: 10S, 4355398 N, 0663938 E.
700
Comment
CHSC59368
Erythronium multiscapideum
Thomas J. Van Wagner
1992-4-10
12
Nevada
On e side of N. Ponderosa Way, ca. 0.8 km from Squirrel Creek crossing, 7.0 road km from Grass Valley.
675
Comment
CAS-BOT-BC282495
Festuca elmeri
Gordon H. True
1965-6-9
2020
Nevada
South Yuba River Canyon south of Hiway 49 bridge, near Excelsior ditch
518
Comment
UCR173533
Festuca megalura
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10402
Nevada
Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City)
402
Comment
UCR173360
Festuca perennis
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10387
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
CDA19617
Filago gallica
M. I. Wibawa, L. Pico
2002-6-1
313
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd
Comment
UCR54293
Fragaria virginiana
B. G. Pitzer, Steve Morgan, H. M. Soldan
1988-5-28
929
Nevada
Sierra Nevada Mtns, Tahoe National Forest, French Corral Creek Road, just off Hwy 49, c. 2 mi. north of bridge across South Fork of Yuba River
671
Comment
CAS-BOT-BC53530
Frangula californica subsp. tomentella
Nancy Kittle
1981-5-17
071
Nevada
Along Rt. 49, ca 10 miles west of Nevada City
300
Comment
CHSC28819
Fritillaria micrantha
Jeffrey M Lund
1979-4-12
13
Nevada
Null.
762
Comment
UCR196933
Galium parisiense
George K. Helmkamp, E. A. Helmkamp
2008-5-20
13457
Nevada
Sierra Nevada Mountains Foothills, along CA-49, about 6 miles north of Nevada City
518
Comment
CHSC107417
Garrya
Karen I. Callahan
2010-3-5
13
Nevada
Northern Sierra Nevada Foothills. About 5 air miles west of Nevada City. From Jones Bar Road, take Woolman Lane to Caleb Lane.
609
Comment
CHSC107419
Garrya
Karen Callahan
2010-10-26
20
Nevada
Northern Sierra Nevada Foothills. Collection was made along 'All;s Well Lane', 1/4 mile west of Slate Creek Road and 1/2 mile north of Ridge Road, northwest of Grass Valley.
670
Comment
UC1122679
Garrya flavescens
J. E. Sowder
1933-5-12
71
Nevada
4.5 mi w Nevada City; Smartsville Quad.
548
Comment
CHSC100811
Garrya fremontii
Karen I. Callahan
2008-4-12
5
Nevada
Northern High Sierra Nevada Foothills. Collection was made along 'All's Well Lane', 1/4 mile west of Slate Creek Road and 1/2 mile north of Ridge Road, north west of Grass Valley.
670
Comment
CHSC100812
Garrya fremontii
Karen I. Callahan
2008-4-12
6
Nevada
Northern High Sierra Nevada Foothills. Collection was made along 'All's Well Lane', 1/4 mile west of Slate Creek Road and 1/2 mile north of Ridge Road, north west of Grass Valley.
670
Comment
UC1122691
Garrya fremontii
J. E. Sowder
1933-5-12
70
Nevada
4.5 mi w Nevada City; Smartsville Quad.
548
Comment
CDA19613
Geranium dissectum
M. I. Wibawa, L. Pico
2002-6-1
307
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd.
Comment
CHSC91813
Geranium dissectum
M. I. Wibawa; L. Pico
2002-6-1
307
Nevada
San Juan Ridge. Along Hwy 40, +-2 mi S of junction to Tyler Foote Crossing Rd. Meadow with stream. UTM: 10S, 4355398 N, 0663938 E.
700
Comment
UCD103342
Geranium dissectum
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10370
Nevada
Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City).
637
Comment
UCR173586
Geranium dissectum
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10370
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
UC1982302
Gilia capitata subsp. mediomontana
2007-6-4
Nevada
The property is within the Deer Creek watershed. Deer Creek runs about 0.6 mile (o.97 km) south west of the property. Two main intermitten drainages exist on the south parcel with three branches ans all had flowing or standing water at the time of surveys.
Comment
UCR195156
Gilia capitata subsp. pedemontana
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12085
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City
518
Comment
UC1982298
Githopsis specularioides
Virginia Moran
2007-5-9
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel just east of Avian Way and south of Newtown Road.
Comment
CAS-BOT-BC304922
Grindelia hirsutula
Gordon H. True; John Thomas Howell
1971-6-30
6733
Nevada
Highway 49, 3 miles west of Indian Flat on Rush Creek
609
Comment
CAS-BOT-BC304923
Grindelia hirsutula
Gordon H. True; John Thomas Howell
1971-6-30
6737
Nevada
South Yuba River at Highway 49 Bridge
377
Comment
UCR206965
Grindelia hirsutula var. davyi
George K. Helmkamp, E. A. Helmkamp
2009-5-28
14812
Nevada
Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City
780
Comment
SD212724
Heuchera micrantha
G. K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10395
Nevada
CA Highway 49 at the crossing of the South Yuba River (North of Nevada City)
402
Comment
UCD102641
Heuchera micrantha
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10395
Nevada
Northern Sierra Nevada Foothills: CA Hwy. 49 at the crossing of the South Yuba River (N of Nevada City).
402
Comment
UCR173524
Heuchera micrantha
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10395
Nevada
Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City)
402
Comment
UCR195171
Heuchera micrantha
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12099
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 6.9 miles north of Nevada City at the crossing of the South Yuba River
372
Comment
CDA19609
Holcus lanatus
M. I. Wibawa, L. Pico
2002-6-1
303
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd.
Comment
CHSC91846
Holcus lanatus
M. I. Wibawa; L. Pico
2002-6-1
303
Nevada
San Juan Ridge. Along Hwy 40, +-2 mi S of junction to Tyler Foote Crossing Rd. Meadow with stream. UTM: 10S, 4355398 N, 0663938 E.
700
Comment
UCD133338
Hypochaeris glabra
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10376
Nevada
Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City).
637
Comment
UCR173528
Hypochaeris glabra
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10376
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
UCR206910
Hypochaeris radicata
George K. Helmkamp, E. A. Helmkamp
2009-5-28
14817
Nevada
Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City
780
Comment
RSA515725
Iris hartwegii subsp. hartwegii
B. Pitzer, Steve Morgan, H. M. Soldan
1988-5-28
933
Nevada
Tahoe National Forest, French Corral Creek Road, just Hwy 49, 2 miles N bridge across S Fork of Yuba River.
671
Comment
UCR54297
Iris hartwegii subsp. hartwegii
B. G. Pitzer, Steve Morgan, H. M. Soldan
1988-5-28
0933
Nevada
Sierra Nevada Mtns, Tahoe National Forest, French Corral Creek Road, just off Hwy 49, c. 2 mi. north of bridge across South Fork of Yuba River
671
Comment
UCR173589
Iris hartwegii subsp. pinetorum
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10394
Nevada
Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City)
402
Comment
UC1134700
Iris macrosiphon
J. E. Sowder
1933-5-12
64
Nevada
2.25 mi nw Nevada City; Smartsville Quad.
822
Comment
UCR173350
Iris missouriensis
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10377
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
UC1982292
Jensia rammii
Virginia Moran
2007-5-10
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road.
Comment
UCR173452
Jensia rammii
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10375
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment Read comments Jan 8 2013
CDA19611
Juncus bufonius var. bufonius
M. I. Wibawa, L. Pico
2002-6-1
305
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd.
Comment
CDA19610
Juncus occidentalis
M. I. Wibawa, L. Pico
2002-6-1
304
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd.
Comment
UCD133770
Juniperus occidentalis
Gordon H. True; John Thomas Howell
1970-7-13
5461
Nevada
Eagle Lakes Road at Fordyce Creek Trail ca. 2 miles north of Indian Springs Campground.
1661
Comment
CDA19623
Lathyrus latifolius
M. I. Wibawa, L. Pico
2002-6-1
319
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd.
Comment
CHSC89326
Lathyrus latifolius
M. I. Wibawa; L. Pico
2002-6-1
319
Nevada
San Juan Ridge. Along Hwy 49, +- 2 mi S of junction to Tyler Foote Crossing Rd. UTM: 10 S, 4349839 N, 0663902 E.
700
Comment
SD236280
Lathyrus latifolius
G. K. Helmkamp, E. A. Helmkamp
2008-5-20
13458
Nevada
Sierra Nevada Mountains Foothills: along CA-49, about 6 miles north of Nevada City.
518
Comment
SEINET1908774
Lathyrus latifolius
G. K. Helmkamp, E. A. Helmkamp
2008-1
13458
Nevada
Sierra Nevada Mountains Foothills: along CA-49, about 6 miles north of Nevada City
518
Comment
UCR197656
Lathyrus latifolius
George K. Helmkamp, E. A. Helmkamp
2008-5-20
13458
Nevada
Sierra Nevada Mountains Foothills, along CA-49, about 6 miles north of Nevada City
518
Comment
UC1128971
Lathyrus nevadensis var. nevadensis
R. W. Lundh
1933-5-15
253
Nevada
1 mi w Rays Ranch; Smartsville Quad.
640
Comment
CAS-BOT-BC205053
Lathyrus sulphureus
Gordon H. True
1963-5-2
1206
Nevada
Nevada City-No. San Juan Highway at So. Yuba River Bridge
391
Comment
SEINET6658660
Lathyrus sulphureus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10368
Nevada
Northern Sierra Nevada Mts.: Cedarsong Road, 0.1 mi NE of CA Hwy 49 (NW of Nevada City) (Nevada City 7.5' Q); 0
637
Comment
UCD106441
Lathyrus sulphureus
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10368
Nevada
Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City).
637
Comment
UCR173582
Lathyrus sulphureus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10368
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
UCR195161
Lathyrus sulphureus
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12088
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City
518
Comment
UCD133912
Layia glandulosa
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10375
Nevada
Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City).
637
Comment
CAS-BOT-BC221500
Lepechinia calycina
Gordon H. True
1965-6-9
2018
Nevada
South Yuba River Canyon just N. of Hiway 49 Bridge
518
Comment
JEPS63262
Lepechinia calycina
W. I. Follett
1936-6-27
Nevada
6 mi of Nevada City
Comment
CHSC100957
Lessingia nemaclada
Virginia Moran
2007-6-4
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road.
673
Comment
UC1982306
Lessingia nemaclada
Virginia Moran
2007-6-4
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road.
Comment
CAS-BOT-BC233820
Lewisia cantelovii
Gordon H. True
1964-6-3
1464 A
Nevada
Devils Slide on So. Fork of the Yuba River, ca. 1 mi. E. of Highway 49 bridge
441
Comment
JEPS72871
Lewisia cantelovii
L. Heckard
1972-6-3
Nevada
1/2 mi upstream s fork Yuba River, Devil's Slide, head of Excelsior Ditch highway 49 bridge; Yuba River
Comment
CAS-BOT-BC130575
Lilium humboldtii
A. M. Vollmer; L. Beane
1953-7-2
25
Nevada
On road between Nevada City and North San Juan
Comment
CAS-BOT-BC130576
Lilium humboldtii
A. M. Vollmer; L. Beane
1953-7-2
25
Nevada
On road between Nevada City and North San Juan
Comment
RSA130322
Lilium humboldtii subsp. humboldtii
Albert M. Vollmer
1953-7-2
s.n.
Nevada
On road between Nevada City and North San Juan
Comment
UCR173357
Linanthus bicolor
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10421
Nevada
Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge
534
Comment
UC1982291
Linanthus bolanderi
Virginia Moran
2007-5-10
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road.
Comment
UC1982304
Linanthus harknessii
Virginia Moran
2007-5-10
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Nevada Road.
Comment
CHSC91732
Logfia gallica
M. I. Wibawa; L. Pico
2002-6-1
313
Nevada
San Juan Ridge. Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd. Flats above meadow. UTM: 10S, 4355398 N, 0663938 E.
700
Comment
CAS-BOT-BC283555
Lolium multiflorum
Gordon H. True; John Thomas Howell
1971-6-30
6734
Nevada
S Yuba River at Highway 49 Bridge
377
Comment
CHSC100959
Lomatium utriculatum
Virginia Moran
2007-5-10
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road.
672
Comment
UC1982283
Lomatium utriculatum
Virginia Moran
2007-5-10
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road.
Comment
UCR198120
Lonicera hispidula var. vacillans
Donald W. Shor
1978-6-3
18
Nevada
Hwy 49, next to stream
402
Comment
UCR176284
Lotus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10412
Nevada
Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge
534
Comment
UCR179331
Lotus humistratus
George K. Helmkamp, E. A. Helmkamp
2006-10-10
11520
Nevada
Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City
750
Comment
CAS-BOT-BC198384
Lupinus albifrons
Gordon H. True
1962-5-1
506
Nevada
On Nevada City-North San Juan Rd., just east of South Yuba Bridge - Sierra Nevada
381
Comment
CHSC28843
Lupinus albifrons
Jeffrey M. Lund
1979-4-7
8
Nevada
Located on edge of roadside.
670
Comment
SD212609
Lupinus albifrons var. collinus
G. K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10416
Nevada
Along CA Highway 49, 2.1 miles north of the South Yuba River bridge.
534
Comment
UCD106272
Lupinus albifrons var. collinus
G. K. Helmkamp; E. A. Helmkamp
2006-5-11
10416
Nevada
Northern Sierra Nevada Foothills: along CA Hwy 49, 2.1 mi. N of the South Yuba River bridge.
534
Comment
UCR173355
Lupinus albifrons var. collinus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10416
Nevada
Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge
534
Comment
UCR195164
Lupinus latifolius var. columbianus
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12092
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City
518
Comment
CDA19604
Lupinus nanus
M. I. Wibawa, L. Pico
2002-6-1
298
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd.
Comment
CDA19620
Lupinus nanus
M. I. Wibawa, L. Pico
2002-6-1
317
Nevada
San Juan Ridge; Along Hwy 49, +-3 mi S of junction to Tyler Foote Crossing Rd.
Comment
CHSC91729
Lupinus nanus
M. I. Wibawa; L. Pico
2002-6-1
317
Nevada
San Juan Ridge. Along Hwy 49, +-3 mi S of junction to Tyler Foote Crossing Rd. UTM: 10S, 4349839 N, 0663902 E.
700
Comment
UCD109062
Lupinus nanus
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10382
Nevada
Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City).
637
Comment
UCD109063
Lupinus nanus
G. K. Helmkamp; E. A. Helmkamp
2006-5-11
10415
Nevada
Northern Sierra Nevada Foothills: along CA Hwy 49, 2.1 mi. N of the South Yuba River bridge.
534
Comment
UCR173345
Lupinus nanus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10382
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
UCR173354
Lupinus nanus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10415
Nevada
Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge
534
Comment
UCR195158
Lupinus nanus
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12089
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City
518
Comment
UCR207030
Lupinus nanus
George K. Helmkamp, E. A. Helmkamp
2009-5-28
14810
Nevada
Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City
780
Comment
UCR196932
Madia citrigracilis
George K. Helmkamp, E. A. Helmkamp
2008-5-20
13455
Nevada
Sierra Nevada Mountains Foothills, along CA-49, about 6 miles north of Nevada City
518
Comment
CDA19618
Madia exigua
M. I. Wibawa, L. Pico
2002-6-1
314
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd.
Comment
CDA19616
Madia gracilis
M. I. Wibawa, L. Pico
2002-6-1
312
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd.
Comment
UCD134292
Madia gracilis
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10399
Nevada
Northern Sierra Nevada Foothills: CA Hwy. 49 at the crossing of the South Yuba River (N of Nevada City).
402
Comment
UCR173530
Madia gracilis
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10399
Nevada
Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City)
402
Comment
UCR195159
Madia gracilis
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12090
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City
518
Comment
CAS-BOT-BC282172
Melica geyeri
Gordon H. True
1970-4-20
5296
Nevada
Excelsior Ditch just S of South Yuba River Bridge on Highway 49
518
Comment
UCD87358
Melica geyeri
Gordon H. True
1970-4-20
5296
Nevada
S. of South Yuba River Bridge on Hwy. 49.
518
Comment
CAS-BOT-BC281352
Melica harfordii
Gordon H. True
1965-6-9
2019
Nevada
South Yuba River Canyon S of Highway 49 Bridge near Excelsior Ditch
518
Comment
CAS-BOT-BC264167
Melica subulata
Gordon H. True
1970-5-17
5349
Nevada
Deer Creek Canyon at Rough and Ready Ditch flume, 0.5 mi. W of Nevada City
762
Comment
CAS-BOT-BC428859
Micranthes californica
Lillian S. Mott
1964-4-12
1564
Nevada
Excellsior [Excelsior] ditch.
792
Comment
CAS-BOT-BC428869
Micranthes californica
Gordon H. True
1966-4-7
2686
Nevada
So. Yuba River at head of Excelsior Ditch about 1 1/2 miles east of Hiway 49 bridge
487
Comment
CHSC28818
Micranthes fallax
Jeffrey M. Lund
1979-4-7
9
Nevada
Located on edge of roadside.
609
Comment
CDA19619
Micropus californicus var. californicus
M. I. Wibawa, L. Pico
2002-6-1
315
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd
Comment
UCD134484
Micropus californicus var. californicus
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10383
Nevada
Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City).
637
Comment
UCR173344
Micropus californicus var. californicus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10383
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
UCD122211
Mimulus aurantiacus
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10400
Nevada
Northern Sierra Nevada Foothills, CA Hwy 49 at the crossing of the South Yuba River (N of Nevada City).
402
Comment
UCD122255
Mimulus aurantiacus
L. P. Thibault
1995-5-12
14
Nevada
Hwy 49, North of South Fork of Yuba River, approx. 2 mi. past bridge over South Fork of Yuba River. Bank on east side of highway.
480
Comment
UCR173531
Mimulus aurantiacus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10400
Nevada
Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City)
402
Comment
UCR195166
Mimulus aurantiacus
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12098
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 6.9 miles north of Nevada City at the crossing of the South Yuba River
372
Comment
JEPS28067
Mimulus aurantiacus var. grandiflorus
Rimo Bacigalupi and L. Heckard
1961-6-16
7824
Nevada
just 0.3 mi w of bridge crossing South Fork of Yuba River (along state highway 49, on s bank of river); Canyon of South Fork of Yuba River
381
Comment
UC943805
Mimulus aurantiacus var. grandiflorus
H. E. McMinn
1946-5-11
5510
Nevada
5 mi nw of Nevada City (South Fork Yuba River); South Fork Yuba River
Comment
CDA19606
Mimulus guttatus
M. I. Wibawa, L. Pico
2002-6-1
300
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd. common.
Comment
CAS-BOT-BC220472
Monardella sheltonii
Gordon H. True; John Thomas Howell
1971-6-30
6730
Nevada
Highway 49, 2 miles west of Indian Flat on Rush Creek
609
Comment
CDA19608
Myosotis discolor
M. I. Wibawa, L. Pico
2002-6-1
302
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd.
Comment
CHSC91734
Myosotis discolor
M. I. Wibawa; L. Pico
2002-6-1
302
Nevada
San Juan Ridge. Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd. Meadow. UTM: 10S, 4355398 N, 0663938 E.
700
Comment
SEINET3246063
Nemophila heterophylla
G. K. Helmkamp, E. A. Helmkamp
2007-1
11721
Nevada
Foothills, Northern Sierra Nevada Mountains: just south of the crossing of CA-49 over the South Yuba River.
390
Comment
UCD120025
Nemophila heterophylla
G. K. Helmkamp; E. A. Helmkamp
2007-3-31
11721
Nevada
Northern Sierra Nevada Mountains: just south of the crossing of CA-49 over the South Yuba River.
390
Comment
UCR188869
Nemophila heterophylla
George K. Helmkamp, E. A. Helmkamp
2007-3-31
11721
Nevada
Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River
390
Comment
SEINET7357387
Nemophila maculata
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10413
Nevada
Northern Sierra Nevada Foothills: Along CA Hwy 49, 2.1 mi. N of the South Yuba River bridge.; 0
533
Comment
UCD119579
Nemophila maculata
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10413
Nevada
Northern Sierra Nevada: Along CA Hwy 49, 2.1 mi. N of the South Yuba River bridge.
534
Comment
UCR173352
Nemophila maculata
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10413
Nevada
Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge
534
Comment
UCR54289
Orobanche uniflora
B. G. Pitzer, Steve Morgan, H. M. Soldan
1988-5-28
0934
Nevada
Sierra Nevada Mtns, Tahoe National Forest, French Corral Creek Road, just off Hwy 49, c. 2 mi. north of bridge across South Fork of Yuba River
671
Comment
RSA299285
Panicum acuminatum var. acuminatum
Gordon H. True Jr.
1971-7-1
6855
Nevada
Newton Rd. ca. 2 mi. SW of Indian Flat
701
Comment
UCD63249
Panicum acuminatum var. fasciculatum
Daniel Sanchez-Mata
2006-6-19
s.n.
Nevada
Nevada City. Newton Road.
690
Comment
UCD63360
Panicum acuminatum var. fasciculatum
Daniel Sanchez-Mata
2006-6-20
s.n.
Nevada
Nevada City. Newton Road.
690
Comment
UC1982299
Pedicularis densiflora
Virginia Moran
2007-5-8
Nevada
Collected from property just east of historic Newtown in wets Nevada County. Parcel east of Avian Way and south of Newtown Road.
Comment
UC1063632
Pellaea mucronata var. mucronata
M. A. Elvin
1933-5-16
1
Nevada
s slope of Montezuma Hill; Smartsville Quadrangle
Comment
JEPS109971
Perideridia bacigalupii
Dean W. Taylor
2005-7-29
19440
Nevada
Highway 49; ca. 1 mile south of South Yuba River bridge
441
Comment
NY406110
Perideridia bacigalupii
L. Constance
1965-9-7
3761
Nevada
Above Rush Creek, 2.3 miles northwest of NEvada City
609.6
Comment
SEINET3860792
Perideridia bacigalupii
L. Constance, T. I. Chuang
1965-9-7
3761
Nevada
Above Rush Creek 2.3 mi NW of Nevada City.; 0
610
Comment
SEINET4855711
Perideridia bacigalupii
Unknown
1965-9-7
3761
Nevada
Above Rush Creek 2.3 mi NW of Nevada City.
610
Comment
UC1312860
Perideridia bacigalupii
L. Constance and T. I. Chuang with R. S. Mitchell and R. A. Schlising
1965-9-7
3761
Nevada
2.3 mi nw Nevada City (above Rush Creek); Rush Creek; Rush Creek, Nevada Co.
609
Comment
UC1389927
Perideridia bacigalupii
T. I. Chuang, L. Constance
1964-7-2
5965
Nevada
4 mi. n.w. Nevada City
Comment
UC1389930
Perideridia bacigalupii
T. I. Chuang and L. Constance
1964-7-2
5966
Nevada
5.5 mi nw Nevada City
Comment
UCR173346
Petrorhagia dubia
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10380
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
JEPS28068
Phacelia heterophylla subsp. virgata
Rimo Bacigalupi and L. Heckard
1961-6-16
7825
Nevada
road bank near crossing of state highway 49 over Shady Creek (3.5 mi n of S. Fk. Yuba River crossing)
541
Comment
UC735107
Phacelia heterophylla subsp. virgata
Lincoln Constance and Howard E. McMinn
1946-5-11
3040
Nevada
five mi s North San Juan
566
Comment
UC735111
Phacelia imbricata
Lincoln Constance and Howard E. McMinn
1946-5-11
3041
Nevada
7 mi nw Nevada City; South Fork of Yuba River
432
Comment
CAS-BOT-BC72712
Philadelphus lewisii
Gordon H. True
1966-4-28
2767
Sierra
South Yuba River at head of Excelsior Ditch about 1 1/2 miles east of Highway 49 bridge
487
Comment
CAS-BOT-BC77386
Philadelphus lewisii
Gordon H. True
1965-6-9
2021
Nevada
South Yuba River Canyon just So. of Highway 49 Bridge
487
Comment
UCR194886
Philadelphus lewisii
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12102
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 6.9 miles north of Nevada City at the crossing of the South Yuba River
372
Comment
CAS-BOT-BC260839
Phleum pratense
Gordon H. True; John Thomas Howell
1971-6-30
6726
Nevada
Highway 49, 2 miles west of Indian Flat on Rush Creek
609
Comment
CHSC60189
Phlox speciosa subsp. occidentalis
J. Lund
1980-4-28
Nevada
2.0 miles from Cement Hill Rd. on Augustine Rd.
914
Comment
CAS-BOT-BC134912
Phoradendron bolleanum
Gordon H. True; J. T. Howell
1965-7-15
2309
Nevada
Ridge Road just W of Hughes Road intersection, Grass Valley. Sierra Nevada
807
Comment
UCD102030
Phoradendron bolleanum
John Thomas Howell
1965-7-15
2309
Nevada
West of Hughes Road intersection, Grass Valley, Sierra Nevada.
807
Comment
CDA27678
Pickeringia montana
T. C. Fuller
1963-6-14
9026
Nevada
Highway 49 to North San Juan, 3.6 miles northwest of Highway 20 at Nevada City.
0
Comment
CAS-BOT-BC207299
Pickeringia montana var. montana
T. C. Fuller
1962-6-14
9026
Nevada
Hwy. 49 to North San Juan, 3.6 mi. NW of Hwy 20 at Nevada City
Comment
CAS-BOT-BC207300
Pickeringia montana var. montana
Peter H. Raven
1964-6-30
19616
Nevada
4.1 miles northwest of Nevada City on State Highway 49
731
Comment
RSA109838
Pickeringia montana var. montana
E. K. Balls, Lee W. Lenz, B. K. Balls
1956-6-20
21854
Nevada
3.8 mi. nw. from Nevada City along State Hwy. 49.
671
Comment
UC1129862
Pickeringia montana var. montana
J. E. Sowder
1933-5-12
69
Nevada
2 1/2 mi w Nevada City; Smartsville Quadrangle
Comment
UC1129866
Pickeringia montana var. montana
H. A. Jensen
1934-10-13
388
Nevada
Hd. Rush Creek Smartsville Quadrangle
Comment
UCR173523
Plectritis macrocera
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10393
Nevada
Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City)
402
Comment
CDA19615
Poa bulbosa
M. I. Wibawa, L. Pico
2002-6-1
310
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd.
Comment
CHSC91842
Poa bulbosa
M. I. Wibawa; L. Pico
2002-6-1
310
Nevada
San Juan Ridge. Along Hwy 40, +-2 mi S of junction to Tyler Foote Crossing Rd. Flats above meadow. UTM: 10S, 4355398 N, 0663938 E.
700
Comment
UCR173359
Poa bulbosa
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10423
Nevada
Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge
534
Comment
UCR173532
Poa secunda
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10401
Nevada
Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City)
402
Comment
UCD92387
Poa secunda subsp. juncifolia
Jack Maze
1964-5-6
46
Nevada
By bridge over South Yuba River, State Highway 49.
Comment
SBBG92144
Polygala cornuta var. cornuta
B. Pitzer, S. Morgan, H. Soldan
1988-5-28
925
Nevada
St Hwy 49 at bridge over S fork of Yuba River, ca. 6 mi WNW of Nevada City
Comment
SEINET7297302
Polypogon australis
Gordon H. True, John Thomas Howell
1971-1
6596
Nevada
Highway 49, at the South Yuba River Bridge
377
Comment
UCR173450
Potentilla glandulosa
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10374
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
UCR174402A
Potentilla glandulosa
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10418
Nevada
Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge
534
Comment
UCR206967
Potentilla glandulosa subsp. glandulosa
George K. Helmkamp, E. A. Helmkamp
2009-5-28
14820
Nevada
Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City
780
Comment
UCD113976
Poterium sanguisorba
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10372
Nevada
Northern Sierra Nevada Mtns.: Cedarsong Road, 0.1 mi. NE of CA Hwy 49 (NW of Nevada City).
637
Comment
UCD113977
Poterium sanguisorba
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10419
Nevada
Northern Sierra Nevada: Along CA Hwy 49, 2.1 mi. N of the South Yuba River bridge.
534
Comment
CDA19607
Prunella vulgaris var. lanceolata
M. I. Wibawa, L. Pico
2002-6-1
301
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd.
Comment
CHSC91725
Prunella vulgaris var. lanceolata
M. I. Wibawa; L. Pico
2002-6-1
301
Nevada
San Juan Ridge. Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd. Meadow. UTM: 10S, 4355398 N, 0663938 E.
700
Comment
CAS-BOT-BC154636
Prunus subcordata
Lillian Mott
1967-5-14
6718
Nevada
Along 49 near Rush Creek
609
Comment
CAS-BOT-BC154835
Prunus virginiana var. demissa
Gordon H. True
1972-5-3
7119
Nevada
Highway 49, 2 miles west of Indian Flat on Rush Creek
609
Comment
CAS-BOT-BC93977
Quercus durata
Gordon H. True
1961-11-20
300
Nevada
Head of Slate Creek on Ridge Road, Grass Valley
Comment
UCD45895
Quercus durata
Gordon H. True
1961-11-20
300
Nevada
Head of Slate Creek on Ridge Road, Grass Valley, Nevada Co.
Comment
CAS-BOT-BC105116
Quercus kelloggii
Gordon H. True
1970-3-17
5218
Nevada
Nevada City-No. San Juan Hwy. ca. 2 mi W of So. Yuba River bridge
579
Comment
SEINET3245844
Quercus kelloggii
G. K. Helmkamp, E. A. Helmkamp
2007-1
11722
Nevada
Foothills, Northern Sierra Nevada Mountains: just south of the crossing of CA-49 over the South Yuba River.
390
Comment
UCD46629
Quercus kelloggii
Gordon H. True
1970-3-17
5218
Nevada
Nevada City-No. San Juan Hwy. ca. 2 miles W. of So. Yuba River bridge;
579
Comment
UCD61815
Quercus kelloggii
G. K. Helmkamp; E. A. Helmkamp
2006-10-10
11516
Nevada
Northern Sierra Nevada Mountains Foothills: along Hwy. CA-49, 5.8 miles NNW of Nevada City.
750
Comment
UCD64108
Quercus kelloggii
G. K. Helmkamp; E. A. Helmkamp
2007-3-31
11722
Nevada
Northern Sierra Nevada Mountains: just south of the crossing at CA-49 over the South Yuba River.
390
Comment
UCR179309
Quercus kelloggii
George K. Helmkamp, E. A. Helmkamp
2006-10-10
11516
Nevada
Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City
750
Comment
UCR188866
Quercus kelloggii
George K. Helmkamp, E. A. Helmkamp
2007-3-31
11722
Nevada
Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River
390
Comment
SD236306
Quercus wislizeni
G. K. Helmkamp, E. A. Helmkamp
2006-10-10
11517
Nevada
Northern Sierra Nevada Mountains Foothills: along Hwy CA-49, 5.8 miles NNW of Nevada City
750
Comment
UCD63207
Quercus wislizeni
G. K. Helmkamp; E. A. Helmkamp
2006-10-10
11517
Nevada
Northern Sierra Mountains Foothills: along Hwy. CA-49, 5.8 miles NNW of Nevada City.
750
Comment
UCR179308
Quercus wislizeni
George K. Helmkamp, E. A. Helmkamp
2006-10-10
11517
Nevada
Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City
750
Comment
UCD95952
Ranunculus californicus
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10379
Nevada
Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City).
637
Comment
UCR173341
Ranunculus californicus
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10379
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
JEPS55177
Ranunculus occidentalis
Willis L. Jepson
1892-4-13
Nevada
Deer Creek Ridge
Comment
UCR195167
Rhamnus californica subsp. tomentella
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12097
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 6.9 miles north of Nevada City at the crossing of the South Yuba River
372
Comment
UC1121901
Rhamnus ilicifolia
J. E. Sowder
1933-5-12
67
Nevada
2.5 mi w Nevada City; Smartsville Quad.
762
Comment
UC1121766
Rhamnus tomentella subsp. tomentella
J. E. Sowder
1933-5-12
66
Nevada
2.5 mi w Nevada City; Smartsville Quad.
762
Comment
CAS-BOT-BC200650
Rhus aromatica
Gordon H. True
1974-4-25
7666
Nevada
Nevada City-North San Juan Hwy. ca. 1 mile south of Shady Creek bridge
533
Comment
CAS-BOT-BC200651
Rhus aromatica
Gordon H. True
1974-5-13
7674
Nevada
Nevada City-North San Juan Hwy. ca. 1/2 mile south of Shady Creek bridge
Comment
CAS-BOT-BC186140
Ribes roezlii
Gordon H. True
1970-4-14
5289
Nevada
Nevada City - N. San Juan Highway ca. 2 miles west of South Yuba River Bridge
579
Comment
UCR89325
Ribes roezlii
G. H. True
1970-4-14
5289
Nevada
Nevada City- N. San Julian Hwy c. 2 mi west of South Yuba River Bridge
406
Comment
CHSC28854
Ribes roezlii var. roezlii
Jeffrey M Lund
1979-4-7
1
Nevada
Bordering T17N and T16N. Located on edge of intersection.
914
Comment
UCR195154
Rubus discolor
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12086
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City
518
Comment
CDA19612
Rumex acetosella
M. I. Wibawa, L. Pico
2002-6-1
306
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd.
Comment
UCD101067
Rumex acetosella
L. P. Thibault
1995-5-13
29
Nevada
West side of Highway 49 at Rooster Hill Rd.
600
Comment
UCR207031
Rumex acetosella
George K. Helmkamp, E. A. Helmkamp
2009-5-28
14811
Nevada
Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City
780
Comment
JEPS38397
Salix laevigata
Willis L. Jepson
1892-4-15
22 s
Nevada
Randolph Flat
Comment
JEPS13838
Salix lasiolepis
Willis L. Jepson
1892-4-15
22 s
Nevada
Randolph Flat
Comment
UCR173356
Sanguisorba minor subsp. muricata
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10419
Nevada
Northern Sierra Nevada Foothills, along Calif. Hwy 49, 2.1 mi. N of the South Yuba River bridge
534
Comment
UCR173584
Sanguisorba minor subsp. muricata
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10372
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
UCR194884
Sanguisorba minor subsp. muricata
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12100
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 6.9 miles north of Nevada City at the crossing of the South Yuba River
372
Comment
UCR195168
Sanicula bipinnatifida
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12095
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City
518
Comment
UC1982303
Scutellaria antirrhinoides
Virginia Moran
2007-6-4
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel is just east of Avian Way and south of Newtown Road.
Comment
UCR54295
Sedum spathulifolium
B. G. Pitzer, Steve Morgan, H. M. Soldan
1988-5-28
0935
Nevada
Sierra Nevada Mtns, Tahoe National Forest, French Corral Creek Road, just off Hwy 49, c. 2 mi. north of bridge across South Fork of Yuba River
671
Comment
CHSC28844
Silene californica
Jeffrey M. Lund
1979-4-7
7
Nevada
Located on edge of roadside.
762
Comment
UCR188868
Silene californica
George K. Helmkamp, E. A. Helmkamp
2007-3-31
11723
Nevada
Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River
390
Comment
UCSC000257
Silene californica
J. E. Sowder
1933-5-6
62
Nevada
1 mi. S.W. of Bunker Hill - Smartsville
366
Comment
UCR54303
Silene laciniata
B. G. Pitzer, Steve Morgan, H. M. Soldan
1988-5-28
0932
Nevada
Sierra Nevada Mtns, Tahoe National Forest, French Corral Creek Road, just off Hwy 49, c. 2 mi. north of bridge across South Fork of Yuba River
671
Comment
CAS-BOT-BC389188
Silene laciniata subsp. californica
Lillian S. Mott
1965-4-4
6563
Nevada
Excelsior Ditch
457
Comment
UCD98987
Silene laciniata subsp. californica
G. K. Helmkamp; E. A. Helmkamp
2007-3-31
11723
Nevada
Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River.
390
Comment
UCD138876
Sisyrinchium bellum
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10385
Nevada
Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City).
637
Comment
UCR173349
Sisyrinchium bellum
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10385
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
UCR179307
Solidago canadensis subsp. elongata
George K. Helmkamp, E. A. Helmkamp
2006-10-10
11521
Nevada
Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City
750
Comment
UCD135930
Solidago elongata
G. K. Helmkamp; E. A. Helmkamp
2006-10-10
11521
Nevada
Northern Sierra Mountains Foothills: along Hwy. CA-49, 5.8 miles NNW of Nevada City.
750
Comment
UC990717
Stephanomeria virgata subsp. pleurocarpa
Roxana S. Ferris
1953-11-7
12598
Nevada
State Highway 49, s fork of Yuba River Yuba River
Comment
UCR179310
Stephanomeria virgata subsp. pleurocarpa
George K. Helmkamp, E. A. Helmkamp
2006-10-10
11515
Nevada
Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City
750
Comment
CAS-BOT-BC87727
Streptanthus tortuosus
Gordon H. True
1962-5-1
550
Nevada
Sierra Nevada. Nevada City-North San Juan Highway, just east of South Yuba Bridge.
548
Comment
CAS-BOT-BC87729
Streptanthus tortuosus
Gordon H. True
1970-5-16
5345
Nevada
Excelsior Ditch just east of Highway 49, near South Fork of Yuba River Bridge.
441
Comment
UCR195163
Tauschia hartwegii
George K. Helmkamp, E. A. Helmkamp
2007-5-26
12093
Nevada
Northern Sierra Nevada Mountains Foothills, along CA-49, 5.6 miles north of Nevada City
518
Comment
UCR173525
Thysanocarpus curvipes
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10392
Nevada
Northern Sierra Nevada Foothills, Calif. Hwy 49 at the crossing of the South Yuba River (N of Nevada City)
402
Comment
CDA19595
Torilis arvensis
M. I. Wibawa, L. Pico
2002-6-1
288
Nevada
Sierra Nevada; Independence trail, off Hwy 49, +-6 mi N of Nevada City, above S Yuba R.
Comment
SD236168
Torilis arvensis
G. K. Helmkamp, E. A. Helmkamp
2008-5-20
13456
Nevada
Sierra Nevada Mountains Foothills: along CA-49, about 6 miles north of Nevada City
518
Comment
UCR197007
Torilis arvensis
George K. Helmkamp, E. A. Helmkamp
2008-5-20
13456
Nevada
Sierra Nevada Mountains Foothills, along CA-49, about 6 miles north of Nevada City
518
Comment
CDA19597
Trifolium ciliolatum
M. I. Wibawa, L. Pico
2002-6-1
290
Nevada
Sierra Nevada; Independence trail, off Hwy 49, +-6 mi N of Nevada City, above S Yuba R.
Comment
CDA19614
Trifolium dubium
M. I. Wibawa, L. Pico
2002-6-1
308
Nevada
San Juan Ridge; Along Hwy 49, +-2 mi S of junction to Tyler Foote Crossing Rd.
Comment
UCD108824
Trifolium dubium
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10371
Nevada
Northern Sierra Nevada Mountains. Cedarsong Road, 0.1 mile NE of CA-Hwy 49 (NW of Nevada City).
637
Comment
UCD38319
Trifolium dubium
Beecher Crampton
1954-5-10
1840
Nevada
6 miles N of Nevada City, along Highway 49.
Comment
UCR151588
Trifolium dubium
Beecher Crampton
1954-5-10
1840
Nevada
Northern Sierra Nevada Mtns., 6 miles north of Nevada City along Hwy 49, south slope of South Yuba River
549
Comment
UCR173585
Trifolium dubium
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10371
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
UCR206969
Trifolium dubium
George K. Helmkamp, E. A. Helmkamp
2009-5-28
14819 B
Nevada
Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City
780
Comment
SD239762
Trifolium hirtum
G. K. Helmkamp, E. A. Helmkamp
2009-5-28
14818
Nevada
Sierra Nevada Mountains Foothills: along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City.
779
Comment
UCR173451
Trifolium hirtum
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10373
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
UCR206961
Trifolium hirtum
George K. Helmkamp, E. A. Helmkamp
2009-5-28
14818
Nevada
Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City
780
Comment
UCR206968
Trifolium microcephalum
George K. Helmkamp, E. A. Helmkamp
2009-5-28
14819 A
Nevada
Sierra Nevada Mountains Foothills, along CA-49, 2.0 miles north of its junction with CA-20, north of Nevada City
780
Comment
SEINET4206962
Trifolium variegatum
J. M. Gillet, A. G. Moulds
1964-6-12
12665
Nevada
Between Nevada City and North San Juan Valley of the Yuba River.; 0
Comment
UCD32528
Trisetum canescens
Beecher Crampton
1954-5-10
1839
Nevada
Nevada County, state highway 49, southern slope of south Yuba River Canyon, 6 miles north of Nevada City.
Comment
UCD93494
Trisetum canescens
Beecher Crampton
1954-5-10
1839
Nevada
Nevada County, state highway 49, southern slope of south Yuba River Canyon, 6 miles north of Nevada City.
Comment
UCD139351
Triteleia ixioides subsp. scabra
L. P. Thibault
1995-5-12
15
Nevada
Hwy 49, North of South Fork of Yuba River, approx. 2 mi. past bridge over South Fork of Yuba River. Bank on east side of highway.
480
Comment
UCD164693
Triteleia ixioides subsp. scabra
L. P. Thibault
1995-5-12
15
Nevada
Highway 49, north of South Fork of Yuba River, approximately 2 miles past bridge over South Fork of Yuba River.
480
Comment
CAS-BOT-BC91203
Umbellularia californica
Gordon H. True
1970-3-17
5217
Nevada
Nevada City - North San Juan Highway just south of South Yuba River bridge.
426
Comment
UCD137893
Umbellularia californica
G. K. Helmkamp; E. A. Helmkamp
2007-3-31
11727
Nevada
Northern Sierra Nevada Mountains: just south of the crossing at CA-49 over the South Yuba River.
390
Comment
UCR189450
Umbellularia californica
George K. Helmkamp, E. A. Helmkamp
2007-3-31
11727
Nevada
Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River
390
Comment
SBBG50220
Umbellularia californica var. californica
G. H. True
1970-3-17
Nevada
just S of South Yuba River bridge
426
Comment
UCD108909
Vicia sativa subsp. nigra
G. K. Helmkamp; E. A. Helmkamp
2007-3-31
11724
Nevada
Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River.
390
Comment
UCR188867
Vicia sativa subsp. sativa
George K. Helmkamp, E. A. Helmkamp
2007-3-31
11724
Nevada
Foothills, Northern Sierra Nevada Mountains, just south of the crossing of CA-49 over the South Yuba River
390
Comment
UCD109116
Vicia villosa subsp. varia
G. K. Helmkamp; Elizabeth Helmkamp
2006-5-11
10381
Nevada
Northern Sierra Nevada Mtns.: Cedarsong Road, 0.1 mi. NE of CA Hwy 49 (NW of Nevada City).
637
Comment
SD212629
Vicia villosa subsp. villosa
G. K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10381
Nevada
Cedarsong Road, 0.1 mile northeast of CA Highway 49.
637
Comment
UCR173343
Vicia villosa subsp. villosa
George K. Helmkamp, Elizabeth Helmkamp
2006-5-11
10381
Nevada
Northern Sierra Nevada Mtns., Cedarsong Road, 0.1 mi. NE of Calif. Hwy 49 (NW of Nevada City)
637
Comment
CAS-BOT-BC184408
Vulpia microstachys var. pauciflora
Gordon H. True
1970-5-16
5343
Nevada
Excelsior Ditch just E. of Hwy49 [Hwy 49], near S. Fork Yuba River Bridge
441
Comment
RSA515726
Wyethia angustifolia
B. Pitzer, S. Morgan, H. M. Soldan
1988-5-28
931
Nevada
Tahoe National Forest, French Corral Creek Road, just Hwy 49, 2 miles N bridge across S Fork of Yuba River.
671
Comment
UCR54298
Wyethia angustifolia
B. G. Pitzer, Steve Morgan
1988-5-26
0931
Nevada
Tahoe National Forest, French Creek Road. Just off Hwy 49, c. 2 mi north of bridge across South Fork of Yuba River.
671
Comment
SD236228
Xanthium strumarium
G. K. Helmkamp, E. A. Helmkamp
2006-10-10
11518
Nevada
Northern Sierra Nevada Mountains Foothills: along Hwy CA-49, 5.8 miles NNW of Nevada City (Nevada City 7.5'Q)
750
Comment
UCD137117
Xanthium strumarium
G. K. Helmkamp; E. A. Helmkamp
2006-10-10
11518
Nevada
Northern Sierra Mountains Foothills: along Hwy. CA-49, 5.8 miles NNW of Nevada City.
750
Comment
UCR179330
Xanthium strumarium
George K. Helmkamp, E. A. Helmkamp
2006-10-10
11518
Nevada
Northern Sierra Nevada Mountains Foothills, along Calif. Hwy 49, 5.8 miles NNW of Nevada City
750
Comment
UC1982297
Zigadenus venenosus
Virginia Moran
2007-5-10
Nevada
Collected from property just east of historic Newtown in west Nevada County. Parcel just east of Avian Way and south of Newtown Road. Collected from west drainage. Drains west across Avian Way.
Comment