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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
UCD82114
Achillea millefolium
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5642
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
UCD50688
Achnatherum lemmonii
R. Tofsrud
1951-4-23
s.n.
Lake
Stevens Ranch, Indian Valley.
Comment
UCD84580
Acmispon americanus var. americanus
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6105
Lake
Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection. Meadow on south side of road.
647
Comment
CHSC115193
Acmispon denticulatus
Lowell Ahart
2015-4-28
20098
Lake
East of the meadow, about 150 yards west of Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
696
Comment
JEPS123915
Acmispon denticulatus
Lowell Ahart
2015-4-28
20098
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
HSC25721
Acmispon grandiflorus
J. P. Smith
1971-6-6
4718
Lake
0.75 mi. N of Clyde Mine, Walker Ridge Rd.
Comment
CHSC115199
Acmispon wrangelianus
Lowell Ahart
2015-4-28
20099
Lake
In the meadow, about 150 yards west of Barrel Spring Meadow, about 1/4 miles (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
696
Comment
HSC44246
Acmispon wrangelianus
Barbara Kelly
1977-4-24
351
Colusa
Along Walker Ridge Rd. above Barrel Springs Campground.
701
Comment
JEPS123901
Acmispon wrangelianus
Lowell Ahart
2015-4-28
20099
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
UCD82126
Acmispon wrangelianus
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5655
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
HSC66637
Adenostoma fasciculatum
Debbie Stamp, Joanne Spitler, Patty Powers, Cathy Railey, Cathy Macdonald
1980-4-19
20
Lake
Coldsprings Campground along access road to Indian Valley Dam
Comment
CHSC32943
Adiantum jordanii
D. Boyd; M. Eichelberger, T. Messick, T. Ranker
1980-4-19
9
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
HSC66582
Adiantum jordanii
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
9
Lake
Coldsprings Campground along access road to Indian Valley Dam
Comment
HSC66647
Aesculus californica
Cathie Goldberg, Lauren Philbrick, Lynn Kunstman, Geoff Walsh
1980-4-19
15
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
HSC86927
Aesculus californica
Anthony J. Desch, Bryon Cariss
1988-4-16
33
Colusa
2 mi. W on Brim Rd. from corner of Brim Rd. and Bear Valley Rd.
518
Comment
CDA21524
Agoseris grandiflora
G. F. Hrusa, R. Gross
2008-5-23
17450
Lake
North Coast Ranges; Above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir.
423
Comment
UC2014168
Agoseris grandiflora
Ellen Dean, G. Harrington, C. Thomsen, Chiao-Yi Cheng, R. Wilmarth
2009-5-20
5643
Colusa
Colusa County: Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
Comment
UCD82099
Agoseris grandiflora
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5626
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
UCD82115
Agoseris grandiflora
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5643
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
CAS-BOT-BC21332
Agoseris grandiflora var. grandiflora
Greg de Nevers
2001-5-14
12399
Lake
Clear Lake, Lake County Land Trust, Rodman Slough
475
Comment
HSC42196
Agoseris heterophylla
M. A. Baker
1977-4-24
218
Lake
Barrel Springs Campground.
701
Comment
HSC44267
Agoseris heterophylla
Barbara Kelly
1977-4-24
350
Lake
Barrel Springs Campground
701
Comment
HSC45740
Agoseris heterophylla
Stephen Plant
1978-4-23
226
Lake
Barrel Springs Campground
701
Comment
HSC48462
Agoseris heterophylla
J. P. Smith
1978-4-23
9753
Lake
Barrel Springs Campgound
701
Comment
HSC60454
Agoseris heterophylla
J. P. Smith
1977-4-24
9034
Lake
Barrel Springs Campground
701
Comment
HSC95559
Agoseris heterophylla
Todd Bouchier, Kathleen Gifford, Cameron Williams
1999-5-1
23
Lake
Blue Oak Recreation Area; Walker Ridge Rd. 12.8 km. from Hwy. 20
536
Comment
UCD82475
Agoseris heterophylla
Craig Thomsen; G. Harrington
2009-5-12
2853
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
UCD82508
Agoseris heterophylla
Craig Thomsen; G. Harrington
2009-5-12
2867 a
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
UCSC010468
Agoseris heterophylla var. cryptopleura
Dylan M. Neubauer, Tim Forsell
2016-3-31
595
Colusa
(NCoRI) Walker Ridge, Walker Ridge Road, 1.78 air-miles sse Cold Spring Mountain
815
Comment
UCR50006
Agrostis californica
L. F. LaPre, K. Campbell
1987-6-29
s.n.
Lake
Inner North Coast Ranges, Barrel Spring Camp, NE of Clear Lake at Colusa Co. line, on Walker Ridge Rd
Comment
RSA466291B
Agrostis densiflora
L. F. LaPre, K. Campbell
1987-6-29
s.n.
Lake
Barrel Springs Camp, NE of Clear Lake at Colusa Co. line, on Walker Pass Road
Comment
CHSC71458
Agrostis exarata
Vernon H. Oswald; Lowell Ahart
1998-7-15
9273
Colusa
Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd.
487
Comment
CHSC84214
Agrostis exarata
Lowell Ahart
2003-7-14
10406
Lake
Along a stream, on the east side of the second causeway going southwest on Bartlett Springs Road, Indian Valley Reservoir.
449
Comment
JEPS104390
Agrostis exarata
Lowell Ahart
2003-7-14
10406
Lake
Along a stream, on the e side of the second causeway going sw on Bartlett Springs Rd, Indian Valley Reservoir.
449
Comment
UCD163845
Agrostis exarata
Craig D. Thomsen
2000-6-1
s.n.
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
UCD82097
Aira caryophyllea
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5624
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
UCD82469
Aira caryophyllea
Craig Thomsen; G. Harrington
2009-5-12
2846
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
UCD82470
Allium
Craig Thomsen; G. Harrington
2009-5-12
2847
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. About 100 yds south of road (ravine with spring below).
707
Comment
CDA14214
Allium amplectens
G. F. Hrusa
1993-6-1
11167
Lake
Just to W of summit of Walker Ridge along Bartlett Spr. Rd.
Comment
CHSC84319
Allium amplectens
Lowell Ahart
2003-7-14
10391
Lake
Along a small dry stream, at Barrel Spring, about 1 1/2 miles (air) south of Bartlett Springs Road, about 2 miles (air) west of Bear Valley.
396
Comment
CHSC84324
Allium amplectens
Lowell Ahart
2003-7-14
10409
Lake
Along a small stream, on the north side of Bartlett Springs Road, about 2 miles west of Bear Valley.
630
Comment
HSC25716
Allium amplectens
J. P. Smith, J. O. Sawyer
1971-6-6
4723
Lake
0.75 mi. N of Clyde Mine, Walker Ridge Rd.
Comment
JEPS56359
Allium amplectens
W. L. Jepson
1920-5-23
8989
Lake
Indian Valley
457
Comment
UC1299744
Allium amplectens
Freed W. Hoffman
1949-5-15
2808
Lake
11 mi e Hough Springs (on Bartlett Springs-Leesville road); Bartlett Springs-Leesville road
533
Comment
UCD63364
Allium amplectens
Daniel Sanchez-Mata; Emin Ugurlu
2006-6-19
s.n.
Lake
Leesville-Barkerville. Bartlett Springs Road.
620
Comment
UCD82159
Allium amplectens
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5689
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
817
Comment
UCD82390
Allium amplectens
Craig Thomsen; G. Harrington
2009-5-12
2832
Colusa
Colusa County. Walker Ridge. South of spur road en route to Eaton Springs, about 1/2 mile east of Walker Ridge Rd. About 100 yds south of road (ravine with spring below).
822
Comment
UCD82515
Allium amplectens
Craig Thomsen; G. Harrington
2009-5-12
2873
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
UCD82518
Allium amplectens
Craig Thomsen; G. Harrington
2009-5-12
2875 b
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
713
Comment
UCD84518
Allium amplectens
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6069
Lake
Lake County. Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection.
647
Comment
HSC27380
Allium cratericola
J. P. Smith, J. O. Sawyer
1972-4-1
5172
Lake
8.8 mi. N of junction of SR 20 and Walker Ridge Rd.
Comment
HSC66045
Allium cratericola
D. Boyd, M. Eichelberger, Tim Messick, T. A. Ranker
1980-4-19
41
Lake
Along Walker Ridge Rd. 3.7 mi. N of junction with access rd. to Indian Valley Dam
Comment
SEINET3884407
Allium cratericola
D. Boyd, M. Eichelberger; T. Messick; T. A. Ranker
1980-4-19
37
Lake
Along Walker Ridge Road, 0.5 miles north of junction with access road to Indian Valley Dam.; 0
Comment
UCD83750
Allium cratericola
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5946
Lake
Walker Ridge. Along Walker Ridge Road. At a lookout that overlooks Indian Valley Reservoir that is located 8.3 road miles N of the intersection of Hwy 20.
1054
Comment
CHSC59621
Allium falcifolium
Clinton C. Shock
1980-5-3
71
Lake
Walker Ridge. 14.6 miles north of State Highway 20, at the crest intersection of the road to Bear Valley.
658
Comment
CHSC70819
Allium falcifolium
B. Castro; D. Isle, L. Hanson, B. Corbin, E. Earl, L. Janeway
1995-4-28
565
Colusa
On Walker Ridge just W of Walker Ridge Rd, ca 0.5 mi S of jcn of Walker Ridge Rd and Bartlett Springs Rd, ca 300 ft E of Lake Co. line.
716
Comment
CHSC71009
Allium falcifolium
Vernon Oswald; Lowell Ahart
1998-5-7
9009
Colusa
Bartlett Springs Rd. 2.8 mi west of Bear Valley Rd., 0.1 mi east of Sawtelle Valley and Grapevine Flat roads.
633
Comment
HSC25717
Allium falcifolium
J. P. Smith, J. O. Sawyer
1971-6-6
4722
Lake
0.75 mi. N of Clyde Mine, Walker Ridge Rd.
Comment
HSC44386
Allium falcifolium
Joyce Walker
1977-4-24
4
Lake
Barrel Springs Campground
701
Comment
HSC45680
Allium falcifolium
Catherine Chin
1978-4-23
47
Lake
Barrel Springs Campground
701
Comment
HSC47457
Allium falcifolium
J. P. Smith
1978-4-23
9748
Lake
Barrel Springs Campground.
701
Comment
HSC67130
Allium falcifolium
S. Harris, B. Ferguson, M. Smith, M. Moble
1980-4-19
Lake
Along Walker Ridge Rd., 0.5 mi. N of junction with access rd. to Indian Valley Dam
Comment
HSC92508
Allium falcifolium
Moulton, Sparks, Wood
1995-5-6
29
Lake
Brim Rd. E of Walker Ridge Rd.
640
Comment
JEPS94212
Allium falcifolium
Vernon Oswald and Lowell Ahart
1998-5-7
9009
Colusa
Bartlett Springs Road 2.8 mi w of Bear Valley Road (0.1 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road
633
Comment
UCD82517
Allium falcifolium
Craig Thomsen; G. Harrington
2009-5-12
2875 a
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
713
Comment
UCR37945
Allium falcifolium
P. Williams, Mike Malamus, Brian Kearney
1984-4-28
4
Lake
1.1 mi north of Blue Oak Campground of Indian Valley Access Road
854
Comment
JEPS2717
Allium fimbriatum var. fimbriatum
W. L. Jepson
1920-5-23
8995
Lake
Indian Valley, ne Lake Co. Indian Valley
Comment
HSC60455
Allium serra
J. P. Smith
1977-4-24
9033
Lake
Barrel Springs Campground
701
Comment
HSC92529
Allium serra
Moulton, Sparks, Wood
1995-5-6
31
Lake
Brim Rd. E of Walker Ridge Rd.
640
Comment
RSA245233
Allium serratum
J. P. Smith, John Sawyer
1971-6-6
4723
Lake
0.75 mi. north of Clyde Mine; Walker Ridge Road
Comment
CAS-BOT-BC230055
Allophyllum gilioides
Ellen Dean; G. Harrington; C. Thomsen; Chiao-Yi Cheng; R. Wilmarth
2009-5-20
5675
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road
853
Comment
UCD82489
Allophyllum gilioides
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5675
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
853
Comment
UCD84444
Allophyllum gilioides
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6052
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here.
817
Comment
UCD163841
Alnus rhombifolia
Craig D. Thomsen
2000-6-1
s.n.
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
CHSC33031
Amsinckia intermedia
S. Harris; B. Ferguson, M. Moble, M. Smith
1980-4-19
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
HSC66016
Amsinckia intermedia
Cathy Goldberg, Geoff Walsh, Lauren Philbrick, Lynn Kunstman
1980-4-19
1
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
HSC91383
Amsinckia intermedia
Sam Stroich Jr., Rolf Miller, Brian Pereira
1990-5-8
21
Lake
Blue Oak Campground, Indian Valley Reservoir access road 2.5 mi. NE of intersection with Walker Ridge Rd.
534
Comment
HSC99326
Amsinckia intermedia
Catherine Chin
1978-4-23
37
Lake
Barrel Springs Campground
701
Comment
CHSC117804
Amsinckia lunaris
Jake Schweitzer
2010-4-1
Colusa
Inner North Coast Rnages. On BLM parcel, approx. 265 m W of Walker Ridge Road (Bartlett Springs Rd on some maps) 120 m SE of Til Jones Spring.
853
Comment
HSC66058
Anagallis arvensis
Cathie Goldberg, Lynn Kuntsman, Lauren Philbrick, Geoff Walsh
1980-4-19
44
Lake
Along Walker Ridge Rd., 1 mi. N of its junction with access road to Indian Valley Dam
Comment
CDA24961
Ancistrocarphus filagineus
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17114
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
CHSC45774
Ancistrocarphus filagineus
Vernon Oswald
1986-5-12
2015
Lake
Brim Rd. (Bartlett Springs Rd.) at the jct. of the road to Barrel Spring.
640
Comment
JEPS16206
Ancistrocarphus filagineus
Rimo Bacigalupi and Arthur Holmgren
1950-4-26
3182
Colusa
just w of, (w of base of grade to Indian Valley (Bartlett Mt. Road)) Bear Valley; Inner North Coast Ranges, Indian Valley, Bear Valley
Comment
UC1056275
Ancistrocarphus filagineus
Rimo Bacigalupi and Arthur Holmgren
1950-4-26
3182
Colusa
just w of, (just w of base of grade to Indian Valley (Bartlett Mtn. Rd.)) Bear Valley; Inner North Coast Ranges
Comment
CDA21519
Angelica californica
G. F. Hrusa, R. Gross
2008-5-23
17441
Lake
North Coast Ranges; N-facing slope above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir. Perennial, in colony on NW facing dry, shaded slope. Flrs white. Uncommon. Sheet 2 of 2.
408
Comment
CDA21530
Angelica californica
G. F. Hrusa, R. Gross
2008-5-23
17441
Lake
North Coast Ranges; Slope above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir. on Sheet 1 of 2.
408
Comment
UCD83626
Anthriscus caucalis
Adam Clause; with PLB 102 class
2010-5-2
5
Colusa
Walker Ridge. Eaton Springs. 40 m south of the main road, on the flat valley floor at the edge of a creek.
709
Comment
CHSC71449
Antirrhinum cornutum
Vernon H. Oswald; Lowell Ahart
1998-7-15
9284
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
CHSC84201
Antirrhinum cornutum
Lowell Ahart
2003-7-14
10402
Lake
Along a small stream, on the west side of the second causeway going southwest on Bartlett Springs Road, Indian Valley Reservoir.
449
Comment
JEPS104392
Antirrhinum cornutum
Lowell Ahart
2003-7-14
10402
Lake
Along a small stream, on the w side of the second causeway going sw on Bartlett Springs Rd, Indian Valley Reservoir.
449
Comment
JEPS6466
Antirrhinum cornutum
W. L. Jepson
1938-6-9
18954 a
Lake
Indian Valley
487
Comment
JEPS94692
Antirrhinum cornutum
Vernon H. Oswald and Lowell Ahart
1998-7-15
9284
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd
640
Comment
JEPS94754
Antirrhinum cornutum
Vernon H. Oswald and Lowell Ahart
1998-7-15
9284
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd
640
Comment
UCD123431
Antirrhinum cornutum
Vernon H. Oswald; Lowell Ahart
1998-7-15
9284
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Barlett Springs Rd.
640
Comment
CHSC71450
Antirrhinum vexillo-calyculatum subsp. breweri
Vernon H. Oswald; Lowell Ahart
1998-7-15
9298
Lake
East side of sounty near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
JEPS93806
Antirrhinum vexillocalyculatum subsp. breweri
Vernon H. Oswald and Lowell Ahart
1998-7-15
9298
Lake
0.8 mi s of Bartlett Springs Road (e side of county near Barrel Spring on the e side of Baldy Mountain and w of Walker Ridge Road); Baldy Mountain
640
Comment
UCD123479
Antirrhinum vexillocalyculatum subsp. breweri
Veron H. Oswald; Lowell Ahart
1998-7-15
9298
Lake
East side of county near Barrel Spring on the east side of Baldy Mountain, and west of Walker Ridge Road, 0.8 mile south of Bartlett Springs Road.
640
Comment
CDA22925
Antirrhinum vexillocalyculatum subsp. vexillocalyculatum
G. F. Hrusa, R. Gross
2008-5-23
17434
Lake
North Coast Ranges; above N. Fk. Cache Cr. +/- 1 mi. below spillway of Indian Valley Reservoir.
426
Comment
CHSC101228
Antirrhinum vexillocalyculatum subsp. vexillocalyculatum
G. F. Hrusa; R. Gross
2008-5-23
17434
Lake
N-facing slope above N. Fork Cache Creek +/- 1 mile below spillway of Indian Valley Reservoir.
426
Comment
CAS-BOT-BC248845
Antirrhinum virga
P. C. Everett; E. K. Balls
1954-10-18
20360
Lake
9.2 mi. s.e. from Hough Springs on road from Lucerne to Williams
548
Comment
CAS-BOT-BC248852
Antirrhinum virga
P. C. Everett; E. K. Balls
1954-10-18
20360
Lake
9.2 mi. s.e. from Hough Springs on road from Lucerne to Williams
548
Comment
CAS-BOT-BC248890
Antirrhinum virga
Annetta Carter; Louise Kellogg
1953-6-20
3242
Lake
Inner North Coast Ranges. Hills west of Indian Valley, Bartlett Springs road
450
Comment
CAS-BOT-BC248896
Antirrhinum virga
Annetta Carter; Louise Kellogg
1953-6-20
3242
Lake
Inner North Coast Ranges. Hills west of Indian Valley, Bartlett Springs road
450
Comment
GH365376
Antirrhinum virga
A. M. Carter & L. Kellogg
1953-6-20
3242
Unknown
hills west of Indian Valley, Bartlett Springs road
Comment
RSA182036
Antirrhinum virga
Annetta Carter, Louise Kellogg
1953-6-20
3242
Lake
Hills west of Indian Valley, Bartlett Springs Rd.
450
Comment
SD62173
Antirrhinum virga
Annetta Carter, Louise Kellogg
1953-6-20
3242
Lake
Hills west of Indian Valley, Bartlett Springs Road
449
Comment
UC1282152
Antirrhinum virga
Annetta Carter and Louise Kellogg
1953-6-20
3242
Lake
w of Indian Valley (Bartlett Springs road); Inner North Coast Ranges
450
Comment
UC1282153
Antirrhinum virga
Annetta Carter and Louise Kellogg
1953-6-20
3242
Lake
w of Indian Valley (Bartlett Springs road); Inner North Coast Ranges
450
Comment
UCD82387
Apiastrum angustifolium
Craig Thomsen; G. Harrington
2009-5-12
2830 b
Colusa
Colusa County. Walker Ridge. South of spur road en route to Eaton Springs, about 1/2 mile east of Walker Ridge Rd. About 200 yds south of road (ravine with spring below).
822
Comment
HSC37637
Arabis breweri var. breweri
John Rehling, Robert M. Specht
1976-3-26
167
Lake
8.3 mi. N on Barlett Springs Rd. from junction with Hwy. 20
Comment
HSC66035
Arceuthobium campylopodum
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
38
Lake
Along Walker Ridge Rd., 1 mi. N of junction with access road to Indian Valley Dam
Comment
HSC96752
Arceuthobium campylopodum
J. Carey, A. Hong, J. Leffingwell
1995-4-1
22
Colusa
Walker Ridge Rd., 0.9 mi. NE of junction with Indian Valley Access Rd., adjacent to Freshwater Branch Creek
793
Comment
CHSC83138
Arctostaphylos
G. L. Webster
1989-5-6
7700
Colusa
Near border with Lake Co., on crest of Walker Ridge, near Cold Springs Mt.
Comment
UCD50538
Arctostaphylos canescens
G. L. Webster
1989-5-6
7700
Colusa
Near border with Lake County, Pinus attenuata woods on crest of Walker Ridge, near Cold Springs Mountain.
Comment
CAS-BOT-BC25251
Arctostaphylos canescens subsp. canescens
Josh Suchocki; Charlene Vullo; Kyle Wear
1995-4-1
36
Colusa
Walker Ridge Rd., 4.8 miles N of junction with Indian Valley Access Rd.
975
Comment
CDA12069
Arctostaphylos canescens subsp. canescens
G. F. Hrusa
1989-4-8
5910
Lake
North Coast Biodiversity Arena; Summit of Walker Ridge immed. W of Bear Valley and approx. 15 miles N of Hwy 20.
Comment
HSC96816
Arctostaphylos canescens subsp. canescens
J. Carey, A. Hong, J. Leffingwell
1995-4-1
24
Colusa
Walker Ridge Rd., 4.8 mi. N of its junction with Indian Valley Access Rd.
976
Comment
HSC92498
Arctostaphylos canescens subsp. sonomensis
D. Haskamp, E. Sonnenblick, M. Taft
1995-4-1
9
Colusa
On Walker Ridge Rd. 4.8 mi. N of junction with Indian Valley Access Rd.
976
Comment
JEPS117095
Arctostaphylos canescens subsp. sonomensis
Peter Warner
2010-5-16
153
Colusa
Walker Ridge Road, ~18.4 km N of jct. with Hwy. 20, along E (Colusa Co.) side of road, scattered on slopes above Zimory Canyon to the west, Trout Creek to east, and adjacent slopes on both sides of road
Comment
RSA670065
Arctostaphylos canescens subsp. sonomensis
G. L. Webster
1989-5-6
7700
Colusa
Walker Ridge, near Cold Springs Mt. Near border with Lake County.
Comment
UCD51019
Arctostaphylos glandulosa
G. L. Webster
1989-5-6
7697
Colusa
Near Border with Lake County; on Walker Ridge; near Cold Spring Mountain.
Comment
UCD51022
Arctostaphylos glandulosa var. glandulosa
G. L. Webster
1989-5-6
4699
Colusa
Near border with Lake County; on Walker Ridge, near Cold Spring Mountain.
Comment
HSC67106
Arctostaphylos manzanita
Teri Bartkowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
4
Lake
Coldsprings Campground, along access road to Indian Valley
Comment
HSC27147
Arctostaphylos viscida
J. P. Smith, J. O. Sawyer
1972-4-1
5167
Lake
6.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd.
Comment
HSC68122
Arctostaphylos viscida
J. P. Smith, J. O. Sawyer
1972-4-1
5167
Lake
6.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd.
Comment
HSC85790
Arctostaphylos viscida
Rob Marheine, Tim Tilghman, Bruce Delgado
1987-4-10
Lake
6.5 mi. N of Hwy. 20 on Walker Ridge Rd.
Comment
UCD15253
Arctostaphylos viscida
R. Robichaux
1975-4-20
36
Colusa
six miles northwest of Highway 20 on the north side of Walker Ridge road.
Comment
UCD52213
Arctostaphylos viscida
Roman Gankin
1958-4-26
292
Lake
2 miles up Bartlett Springs Road from junction to Bartlett Springs on Wilbur Springs-Leesville Road. Lake County near Colusa County line, California.
Comment
UCD52469
Arctostaphylos viscida
R. Robichaux
1975-4-20
36
Colusa
six miles northwest of Highway 20 on the north side of Walker Ridge road.
Comment
UCD52647
Arctostaphylos viscida
Roman Gankin
1958-4-26
292
Colusa
In Leesville-Bartlett Springs road, ca. 2 miles west of junction of this road and Leesville-Wilbur Springs road, near Colusa-Lake County line, California.
Comment
UCR52388
Arctostaphylos viscida
Sandy Floyd, Tom Munton, T'ai Roulston
1987-4-11
84
Lake
Blue Oak Campground, 8 mi north of Hwy 20 on Walker Ridge Road
Comment
CHSC88555
Arctostaphylos viscida subsp. pulchella
L. P. Janeway; B. Castro
2001-6-3
7095
Colusa
Inner North Coast Ranges. Spring near head of Doyle Canyon on east side of Walker Ridge, about 2.7 km (air) south of Bartlett Springs Road.
799
Comment
RSA182012
Arctostaphylos viscida subsp. pulchella
W. L. Jepson
1920-5-23
8977
Lake
Ridge between Indian and Bear Valleys.
Comment
SBBG118100
Arctostaphylos viscida subsp. pulchella
C. Bornstein, E. Collins, R. Lutsko
2004-6-18
Colusa
Bartlett Springs Rd, ca. 1.3 mi E of jct with Bear Valley Rd
432
Comment
UCD81854
Arctostaphylos viscida subsp. pulchella
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5738
Colusa
Walker Ridge. Along Walker Ridge Road. Lookout area with fence and view of Indian Valley Reservoir. North of turnoff to Indian Valley Reservoir and S of turnoff to picnic area. W side of road.
1061
Comment
UCSC010367
Arctostaphylos viscida subsp. pulchella
Dylan M. Neubauer, Tim Forsell
2016-3-30
591
Colusa
(NCoRI) Walker Ridge, Bartlett Springs Road, 1.22 air-miles sse Baldy Mountain
899
Comment
CAS-BOT-BC44549
Arctostaphylos viscida subsp. viscida
Eric B. Peterson; Thomas Ward; Matt Foruria
1995-4-1
47
Colusa
Walker Ridge Rd., 0.9 mile NE of junction with Indian Valley Access Rd., adjacent to Freshwater Branch Creek.
810
Comment
CAS-BOT-BC47419
Arctostaphylos viscida subsp. viscida
Roman Gankin
1958-4-26
292
Lake
on Leesville-Bartlett Springs road, ca. 2 miles west of junction of this road and Leesville-Wilbur Springs road
Comment
JEPS38780
Arctostaphylos viscida subsp. viscida
W. L. Jepson
1920-5-23
8977
Lake
ridge betw. Indian Valley and Bear Valley (ne Lake Co.)
Comment
RSA589937
Arctostaphylos viscida subsp. viscida
Michael A. Vincent, Robert Rhode, Karl Vincent
1996-3-30
7301
Colusa
Along Brim Rd., 1.9 mi. W juct . Bear Valley Rd.
Comment
SBBG114894
Arctostaphylos viscida subsp. viscida
C. Bornstein
1999-3-19
Colusa
Brim Rd
396
Comment Read comments Dec 10 2014
SBBG114895
Arctostaphylos viscida subsp. viscida
C. Bornstein
1999-3-19
Colusa
Brim Rd
396
Comment Read comments Dec 10 2014
SBBG25408
Arctostaphylos viscida subsp. viscida
R. Gankin
1958-4-26
292
Colusa
Leesville-Bartlett Springs Rd, ca. 2 mi W of jct of this rd and Leesville-Wilbur Springs Rd, near Colusa-Lake County line
Comment
UCD82129
Argemone munita
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5659
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
UCD82434
Argemone munita
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5659
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
HSC41876
Argemone munita subsp. rotundata
Richard Runyon
1977-4-24
34
Colusa
Along Walker Ridge Rd. above Barrel Springs Campground
701
Comment
JEPS16204
Argemone rotundata
Rimo Bacigalupi, Arthur Holmgren
1950-4-26
3178
Colusa
just w of base of the grade to Indian Valley (Bartlett Mountain Road), just w of Bear Valley, Inner North Coast Ranges, Bear Valley; Inner North Coast Ranges
Comment
UC1053477
Argemone rotundata
Rimo Bacigalupi, Arthur Holmgren
1950-4-26
3178
Colusa
just w of base of the grade to Indian Valley (Bartlett Mountain Road), just w of Bear Valley, Inner North Coast Ranges Indian Valley; Inner North Coast Ranges
Comment
UCD84565
Artemisia douglasiana
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6090
Lake
Walker Ridge. Picnic Area near wetland/marsh.
899
Comment
UCD84440
Asclepias eriocarpa
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6050
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here.
817
Comment
CHSC71414
Asclepias fascicularis
Vernon H. Oswald; Lowell Ahart
1998-7-15
9266
Colusa
Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd.
487
Comment
UCD82491
Asclepias fascicularis
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5677
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
843
Comment
UCD164137
Asclepias speciosa
Craig Thomsen
2000-6-12
2364
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
UCD82583
Astragalus breweri
Craig D. Thomsen; J. Wiegand, S. Harrison, G. Harrington, A. Fulks
2008-4-22
2728
Colusa
Walker Ridge, 4 mi N of Hwy 20, ca. 1.5 mi E of Walker Ridge Rd.
609
Comment
CDA26635
Astragalus clevelandii
L. Ahart
2003-7-14
10403
Lake
On the west side of the second causeway going southwest on Bartlett Springs Road, Indian Valley Reservoir.
Comment Read comments Jun 8 2016
CHSC84189
Astragalus clevelandii
Lowell Ahart
2003-7-14
10397
Lake
Near a small stream, at Barrel Spring, about 1 1/2 miles (air) south of Bartlett Springs Road, about 2 miles (air) west of Bear Valley.
396
Comment
CHSC84467
Astragalus clevelandii
Lowell Ahart
2003-7-14
10403
Lake
Along a small stream, on the west side of the second causeway going southwest of Bartlett Springs Road, Indian Valley Reservoir.
449
Comment
GH58686
Astragalus clevelandii
D. Cleveland
1882-06-01 - 1882-07-01
Unknown
Indian Valley
Comment
JEPS104124
Astragalus clevelandii
Lowell Ahart
2003-7-14
10397
Lake
Near a small stream, at Barrel Spring, ca 1 1/2 mi (air) south of Bartlett Springs Rd, ca 2 mi (air) w of Bear Valley.
396
Comment
JEPS104266
Astragalus clevelandii
Lowell Ahart
2003-7-14
10403
Lake
Along a small stream, on the w side of the second causeway going sw of Bartlett Springs Rd, Indian Valley Reservoir.
449
Comment
JEPS104446
Astragalus clevelandii
Lowell Ahart
2003-7-14
10403
Lake
Along a small stream, on the w side of the second causeway going sw of Bartlett Springs Rd, Indian Valley Reservoir.
449
Comment
SD8538
Astragalus clevelandii
Daniel Cleveland
1882-7-1
Lake
Indian Valley
Comment
SD8539
Astragalus clevelandii
Daniel Cleveland
Jun 1882
Lake
Indian Valley
Comment Read comments Sep 28 2012
SEINET13711209
Astragalus clevelandii
Lowell William Ahart, Lowell William Ahart
2003-1
10403
Lake
Indian Valley Reservoir (39 Deg 09'46.2"N, 122 Deg 32'39.1"W) 1476 Ft.
54
Comment
CDA11399
Astragalus gambelianus
G. F. Hrusa, K. van Katwyk
1995-4-22
12119
Colusa
Inner North Coast Ranges; Walker Ridge Road, approx. 6 m. S of intersection with Bartlett Springs Rd.
Comment
CDA24962
Astragalus gambelianus
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17104
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
HSC45674
Astragalus gambelianus
Stephen Plant
1978-4-23
227
Lake
Barrel Springs Campground
701
Comment
UCD163837
Astragalus gambelianus
Craig D. Thomsen
2001-4-12
2466
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
UCSC0010466
Astragalus gambelianus
Dylan M. Neubauer, Tim Forsell
2016-3-31
597
Colusa
(NCoRI) Walker Ridge, Walker Ridge Road, 1.78 air-miles sse Cold Spring Mountain
815
Comment
CDA14185
Astragalus rattanii var. jepsonianus
G. F. Hrusa
1993-5-2
10881
Lake
Inner North Coast Ranges; Upper parts of N end of Walker Ridge btwn. Bear Valley and Indian Valley Reservoir.
Comment
CHSC115197
Astragalus rattanii var. jepsonianus
Lowell Ahart
2015-4-28
20094
Lake
In the meadow, about 150 yards west of Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the interstion of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
696
Comment
CHSC46306
Astragalus rattanii var. jepsonianus
Vernon Oswald
1986-5-12
2006
Colusa
Brim Rd. (Bartlett Springs Rd.) 1.8 mi w of Bear Valley Rd.
502
Comment
HSC42246
Astragalus rattanii var. jepsonianus
Rich White
1977-4-24
35
Lake
Barrel Springs Campground
701
Comment
HSC43176
Astragalus rattanii var. jepsonianus
D. L. Goforth
1977-4-24
29
Lake
Barrel Springs Campground.
701
Comment
HSC44108
Astragalus rattanii var. jepsonianus
Barbara Kelly
1977-4-24
390
Colusa
Along Walker Ridge Rd. above Barrel Springs Campground.
701
Comment Read comments Jul 31 2014
HSC45693
Astragalus rattanii var. jepsonianus
Christopher Knopp
1978-4-23
30
Lake
Barrel Springs Campground
701
Comment
JEPS117121
Astragalus rattanii var. jepsonianus
Peter Warner
2010-5-16
150
Lake
Walker Ridge, Walker Ridge Rd., ~1.4 km S of jct. with Bartlett Springs and Brim rosds, at Barrel Springs camping area, along interior road and cable fence, and west of fence
Comment
JEPS123903
Astragalus rattanii var. jepsonianus
Lowell Ahart
2015-4-28
20094
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
JEPS94661
Astragalus rattanii var. jepsonianus
Vernon Oswald and Lowell Ahart
1998-5-7
9013
Lake
Bartlett Springs Rd. 3.7 mi w Bear Valley Rd. (0.8 mi w of Sawtelle Valley and Grapevine roads)
627
Comment
JEPS94796
Astragalus rattanii var. jepsonianus
Vernon Oswald and Lowell Ahart
1998-5-7
9013
Lake
Bartlett Springs Road 3.7 mi wof Bear Valley Road (0.8 mi w of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road
627
Comment
RSA415840
Astragalus rattanii var. jepsonianus
Dwain L. Goforth
1977-4-24
29
Lake
Barrel Springs Campground.
701
Comment
UCD84528
Astragalus rattanii var. jepsonianus
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6079
Lake
Lake County. Walker Ridge. Along Walker Ridge Road. Barrel Spring.
701
Comment
UCD84581
Astragalus rattanii var. jepsonianus
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6106
Lake
Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection. Meadow on south side of road.
647
Comment
HSC45673
Astragalus tener
Stephen Plant
1978-4-23
227
Lake
Barrel Springs Campground
701
Comment
CDA21526
Athysanus pusillus
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17089
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
UCSC010467
Athysanus pusillus
Dylan M. Neubauer, Tim Forsell
2016-3-31
596
Colusa
(NCoRI) Walker Ridge, Walker Ridge Road, 1.78 air-miles sse Cold Spring Mountain
815
Comment
UCD82112
Avena fatua
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5640
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
UCD82621
Avena fatua
Craig Thomsen; G. Harrington
2009-5-12
2891
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
UCD82105
Baccharis pilularis
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5632
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
CAS-BOT-BC98151
Baccharis salicifolia
B. Ellyson; J. Hooke; D. Newman
1996-5-4
32
Lake
Benmore Canyon, Blue Oak Campground - 5.3 miles on Indian Reservoir Road; 57 miles east of Hwy. 101 on Hwy. 20.
548
Comment
HSC92106
Baccharis salicifolia
D. Baxter, S. Boren, C. Williams
1994-4-23
9
Lake
Blue Oak Campground
549
Comment
HSC41860
Balsamorhiza macrolepis
K. Irwin
1977-4-24
299
Colusa
Along Walker Ridge Rd. above Barrel Springs Campground
701
Comment
HSC44271
Balsamorhiza macrolepis
D. L. Goforth
1977-4-24
26
Lake
Barrel Springs Campground.
701
Comment
CHSC69867
Balsamorhiza macrolepis var. macrolepis
B. Castro; B. Corbin, K. Earll, L. Hanson, D. Isle, L. Janeway
1995-4-28
564
Colusa
Ca 18 air mi due W of Williams, on Walker Ridge just W of Walker Ridge Rd, ca 0.5 mi S of jcn Bartlett Springs Rd and Walker Ridge Rd. (Site is a few hundred feet E of Lake Co. line.)
716
Comment
CHSC70963
Balsamorhiza macrolepis var. macrolepis
Vernon Oswald; Lowell Ahart
1998-5-7
9010
Colusa
Bartlett Springs Rd. 2.8 mi west of Bear Valley Rd., 0.1 mi east of Sawtelle Valley and Grapevine Flat road.
633
Comment
UCD82618
Balsamorhiza macrolepis var. macrolepis
Craig Thomsen; G. Harrington
2009-5-12
2887
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. Southeast side of Eaton Springs complex.
710
Comment
UCD82586
Barbarea vulgaris
Craig D. Thomsen; J. Wiegand, S. Harrison, G. Harrington, A. Fulks
2008-4-22
2731
Colusa
Walker Ridge. Eaton Springs, 4 mi N of Hwy 20, ca. 1 mi E of Walker Ridge Rd.
609
Comment
UCD148049
Berberis aquifolium
Andrew Fulks
2014-4-11
s.n.
Lake
Above Benmore Canyon. Silver Spur Ranch. Private land.
487
Comment
HSC25602
Berberis aquifolium var. dictyota
J. P. Smith, J. O. Sawyer
1971-6-6
4746
Lake
Grapevine Flat
Comment
HSC27289
Berberis aquifolium var. dictyota
J. P. Smith, J. O. Sawyer
1972-4-1
5179
Lake
Wuntun Campground
Comment
HSC31389
Berberis aquifolium var. dictyota
Maralyn O'Meara, Gary S. Lester
1974-5-4
354
Lake
Along Walker Ridge Rd., near turnoff to Wintun Campground
915
Comment
UCD84563
Berberis aquifolium var. dictyota
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6088
Lake
Walker Ridge. Picnic Area near wetland/marsh.
899
Comment
CDA11388
Berberis dictyota
G. F. Hrusa, K. van Katwyk
1995-4-22
12108
Colusa
Inner North Coast Ranges; Walker Ridge Road approximately 6 miles N of Highway 20.
Comment
CDA40141
Berberis dictyota
G. F. Hrusa, R. Gross, G. Holstein
2014-5-14
18595
Lake
North Coast Ranges; Silver Spur Ranch. Benmore Canyon Rd. in upper Benmore Canyon 1 1/2 mi. S of spillway at Indian Valley Reservoir.
525
Comment
UCD82536
Briza maxima
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5688
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
843
Comment
CAS-BOT-BC132186
Brodiaea coronaria subsp. rosea
Ella D. Cantelow
1957-5-31
s.n.
Lake
Indian Valley, 8.1 mi. west of Leesville
Comment
CAS-BOT-BC132188
Brodiaea coronaria subsp. rosea
Roger Raiche
1985-5-25
RR 50461
Lake
Nr. Colusa Co line, Walker Ridge, Barrel Springs campground area
670
Comment
JEPS54943
Brodiaea coronaria subsp. rosea
Mr. and Mrs. Hugo Hamann and Eddie Dearing
1968-5-5
Lake
ne end of valley Little Indian Valley
463
Comment
JEPS74714
Brodiaea coronaria subsp. rosea
W. L. Jepson
1920-5-23
8985
Lake
Indian Valley
457
Comment
JEPS75672
Brodiaea coronaria subsp. rosea
W. L. Jepson
1920-5-23
8985
Lake
Indian Valley
457
Comment
JEPS7698
Brodiaea coronaria subsp. rosea
W. L. Jepson
1938-6-9
18948
Lake
Indian Valley
487
Comment
JEPS7699
Brodiaea coronaria subsp. rosea
W. L. Jepson
1920-5-23
8985
Lake
Indian Valley
457
Comment
RSA276590
Brodiaea coronaria subsp. rosea
W. L. Jepson
1920-5-23
8985
Lake
Indian Valley
457
Comment
UC1280474
Brodiaea coronaria subsp. rosea
Theodore F. Niehaus
1965-6-7
556
Lake
0.25 mi e Cache Creek (on road in Indian Valley); Indian Valley
Comment
UC768743
Brodiaea coronaria subsp. rosea
R. F. Hoover
1938-6-9
3572
Lake
Indian Valley
Comment
CHSC71455
Brodiaea elegans subsp. elegans
Vernon H. Oswald; Lowell Ahart
1998-7-15
9285
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. And west of Walker Ridge Rd. 0.8 mi south of Barlett Springs Rd.
640
Comment
JEPS93864
Brodiaea elegans subsp. elegans
Vernon H. Oswald and Lowell Ahart
1998-7-15
9285
Lake
0.8 mi s of Bartlett Springs Road (e side of county near Barrel Spring on e side of Baldy Mountain and w of Walker Ridge Road); Baldy Mountain
640
Comment
UC768461
Brodiaea elegans subsp. elegans
R. F. Hoover
1938-6-9
3577
Lake
Indian Valley
Comment
UCD82131
Brodiaea elegans subsp. elegans
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5657
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
SD24126
Brodiaea rosea
R. F. Hoover
1938-6-9
3572
Lake
Indian Valley.
Comment
RSA699786
Bromus arenarius
L. Ahart
2004-6-30
11148
Glenn
on the north side of Grindhouse Creek, just east of the deep wash, about 50 yards east of the bridge across Grindhouse Creek, about 50 yards west of the Grindhouse Rancheria Indian Reservation.
191
Comment
UCD81879
Bromus carinatus
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5759
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
UCD83625
Bromus diandrus
Adam Clause; with PLB 102 class
2010-5-2
4
Colusa
Walker Ridge. Eaton Springs. 20 meters south of the main road, on the flat valley floor.
709
Comment
HSC66663
Bromus hordeaceus
S. Harris, B. Ferguson, S. Smith
1980-4-19
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
HSC98355
Bromus hordeaceus
Brent Helm, Mark Steiger, Curtis Miller
1988-4-16
65
Lake
11.6 mi. up Hwy. 20
1067
Comment
UCD84558
Bromus hordeaceus
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6083
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Springs. Many old undeveloped roads here.
817
Comment
CAS-BOT-BC231520
Bromus laevipes
Ellen Dean; C. Thomsen; G. Harrington; R. Wilmarth; R. Wenk
2010-6-2
6057
Lake
Walker Ridge. Picnic Area near wetland/marsh
899
Comment
CDA21532
Bromus laevipes
G. F. Hrusa, R. Gross
2008-5-23
17443
Lake
North Coast Ranges; Slope above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir.
408
Comment
CHSC71012
Bromus laevipes
Vernon Oswald; Lowell Ahart
1998-5-7
8997
Colusa
On a roadside bank.
487
Comment
HSC31698
Bromus laevipes
Thomas E. Higley
1974-5-4
63
Colusa
3/4 mi. N of T junction of Indian Valley.
854
Comment
UCD81719
Bromus laevipes
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5724
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
UCD84449
Bromus laevipes
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6057
Lake
Walker Ridge. Picnic Area near wetland/marsh.
899
Comment
HSC66032
Calandrinia ciliata
S. Harris, B. Ferguson, M. Smith, M. Moble
1980-4-19
Lake
Along Walker Ridge Rd., 1 mi. N of junction with access road to Indian Valley Dam
Comment
CAS-BOT-BC80333
Callitropsis macnabiana
G. L. Stebbins
1968-5-15
6689
Lake
Northeast edge of Little Indian Valley, on road from Leesville to Bartlett Springs
457
Comment
CHSC49642
Calochortus amabilis
Vernon Oswald
1986-5-12
2007
Colusa
Brim Rd, (Bartlett Springs Rd.) 1.8 mi w of Bear Valley Rd.
502
Comment
HSC25718
Calochortus amabilis
J. P. Smith, J. O. Sawyer
1971-6-6
4720
Lake
0.75 mi. N of Clyde Mine, Walker Ridge Rd.
Comment
HSC66589
Calochortus amabilis
D. Boyd, M. Eichelberger, Tim Messick, T. A. Ranker
1980-4-19
22
Lake
Coldsprings Campground along access road to Indian Valley Dam
Comment
HSC92003
Calochortus amabilis
John Cromwell, Julie Schneider, A. Thoele
1994-4-23
34
Lake
Walker Ridge by intersection of Walker Ridge Rd. and Bartlett Springs Rd., top of Brim Grade
701
Comment
JEPS101262
Calochortus amabilis
Dean W. Taylor
1972-5-8
1402
Lake
Walker Ridge
1127
Comment
SEINET3884894
Calochortus amabilis
D. Boyd, M. Eichelberger; T. Messick; T. Ranker
1980-4-19
22
Lake
Coldsprings Campground, along access road to Indian Valley Dam.; 0
Comment
UCR198059
Calochortus amabilis
E. Jacqueline Garcia
1986-4-13
s.n.
Colusa
Bear Valley, 2.6 mi west of the junction of Bear Valley Road and Bartlett Springs Road, on Bartlett Springs Road
664
Comment
UCR37573
Calochortus amabilis
Michelle A. Strull, L. Linstedt, C. Houseman
1984-4-28
s.n.
Lake
23 mi. NE of Clearlake Oaks via Hwy 20 and Walker Ridge Road
610
Comment
CHSC78346
Calochortus luteus
Vernon H. Oswald
2000-5-11
9917
Colusa
Brim Rd. 1.5 mi west of Bear Valley Rd.
446
Comment
JEPS127731
Calochortus luteus
H. Forbes, B. Keller
2009-7-1
UCBG 32
Lake
Walker Ridge Road, 10.35 km north of its junction with Hwy 20 and about 41.35 km NE of the town of Lower Lake.intersection with Bear Valley Road.
Comment
JEPS61681
Calochortus luteus
W. L. Jepson
1920-5-23
8969
Colusa
2-3 mi sw Leewville (at foot of Bartlett grade, w side of Bear Valley); Bear Valley, Bartlett Grade
426
Comment
UCD82117
Calochortus luteus
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5645
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
UCD82156
Calochortus splendens
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5688
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
817
Comment
UCD84574
Calochortus splendens
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6099
Lake
Lake County. Along Walker Ridge Road between Barrel Springs and intersection with Bartlett Springs Road. West side of the road.
1038
Comment
UCD82499
Calochortus uniflorus
Craig Thomsen; G. Harrington
2009-5-12
2858
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
UCD83629
Calochortus uniflorus
Fanny Ye; with PLB 102 class
2010-5-2
1
Colusa
E slope of Walker Ridge. Eaton Springs. On edge of campsite/parking area.
709
Comment
CHSC71415
Calycadenia pauciflora
Vernon H. Oswald; Lowell Ahart
1998-7-15
9277
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
CHSC98704
Calycadenia pauciflora
L. P. Janeway
2007-6-17
9053
Lake
Inner North Coast Ranges. Along dirt road 0.3 km northwest of Bartlett Springs Road and Indian Valley Reservoir; about 5.6 air km east of Hough Springs.
500
Comment
JEPS38550
Calycadenia pauciflora
W. L. Jepson
1938-6-9
18951
Lake
Indian Valley , NE Lake Co.
487
Comment
JEPS94781
Calycadenia pauciflora
Vernon H. Oswald and Lowell Ahart
1998-7-15
9277
Lake
e side of county near Barrel Spring (on e side of Baldy Mountain and w of Walker Ridge Road 0.8 mi s of Bartlett Springs Road); Baldy Mountain
640
Comment
JEPS95244
Calycadenia pauciflora
Steve Edwards
1996-7-26
Lake
a few hundred(?) yards w of junction of Bartlett Springs Road and Walker Springs Road Walker Ridge; Bartlett Springs Road; Walker Ridge, along Bartlett Springs Road a few hundred(?) yards w of junction with Bartlett Springs Road and Walker Springs Road, in a summer-dry ephemeral streamlet on serpentinite, assoc. with Brodiaea rosea
Comment
RSA739739
Calycadenia pauciflora
L. P. Janeway
2007-6-17
9053
Lake
Inner N coast Ranges, along dirt road 0.3km NW of Bartlett Springs Road and Indian Valley Reservoir, 5.6 air km E of Hough Springs
500
Comment
UCD82487
Calycadenia pauciflora
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5673 a
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
869
Comment
UCD84638
Calycadenia pauciflora
G. Harrington
2009-7-7
85
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones spring area on W side of road. Ca 6.5 road miles N of junction with Hwy 20. W side of road.
833
Comment
HSC86928
Calycanthus occidentalis
Anthony J. Desch, Bryon Cariss
1988-4-16
34
Colusa
2 mi. W on Brim Rd. from corner of Brim Rd. and Bear Valley Rd.
518
Comment
UC1728662
Calycanthus occidentalis
Richard Olmstead
1986-6-14
853
Lake
1.3 mi from jct Bartlett Spring Road and Walker Ridge Road
560
Comment
UC766217
Calycanthus occidentalis
R. F. Hoover
1938-6-9
3580
Lake
ridge between Indian Valley and Bear Creek Valley
Comment
UCD81713
Calycanthus occidentalis
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5719
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
CHSC71446
Calyptridium quadripetalum
Vernon H. Oswald; Lowell Ahart
1998-7-15
9283
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd. On bed of drainages and roadside ditches.
640
Comment
HSC25615
Calyptridium quadripetalum
J. P. Smith, J. O. Sawyer
1971-6-6
4743
Lake
Buck Flat Recreation Site
Comment
HSC25723
Calyptridium quadripetalum
J. P. Smith, J. O. Sawyer
1971-6-6
4716
Lake
0.75 mi. N of Clyde Mine, Walker Ridge Rd.
Comment
JEPS93807
Calyptridium quadripetalum
Vernon H. Oswald and Lowell Ahart
1998-7-15
9283
Lake
0.8 mi s of Bartlett Springs Road (e side of county near Barrel Spring on e side of Baldy Mountain and w of Walker Ridge Road); Baldy Mountain
640
Comment
UCD100322
Calyptridium quadripetalum
Neil Miller
1973-6-3
100
Lake
roadside of Bartlett Springs Road on Walker Ridge.
609
Comment
UCD100323
Calyptridium quadripetalum
Vernon H. Oswald; Lowell Ahart
1998-7-15
9283
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd., 0.8 mi south of Barlett Springs Rd.
640
Comment
UCD82524
Calyptridium quadripetalum
Craig Thomsen; G. Harrington
2009-5-12
2881
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. East facing hillslope above (west border) Eaton Springs meadow complex.
722
Comment
HSC41916
Calystegia collina subsp. collina
M. A. Baker
1977-4-24
225
Colusa
Walker Ridge Rd. above Barrel Springs Campground
701
Comment
HSC45694
Calystegia collina subsp. collina
Christopher Knopp
1978-4-23
29
Lake
Barrel Springs Campground
701
Comment
HSC47660
Calystegia collina subsp. collina
Sheila Logan
1978-4-22
47
Lake
Barrel Springs Campground; E side of campground
488
Comment
UCR138664
Calystegia collina subsp. collina
B. Ellyson, J. Hooke, D. Newman
1996-5-4
38
Colusa
Wilbur Springs, Walker Ridge Road. 8.4 mi north of alker Ridge Road and Indian Reservoir Road intersection on Walke Ridge Road; 57 mi east of Hwy 101 on Hwy 20
701
Comment
CHSC48298
Calystegia collina subsp. oxyphylla
Vernon Oswald
1986-5-12
2019
Lake
Brim Rd. (Bartlett Springs Rd.) 0.2 mi w of the road to Barrel Spring.
624
Comment
CHSC70976
Calystegia collina subsp. oxyphylla
Vernon Oswald; Lowell Ahart
1998-5-7
9000
Colusa
Barlett Springs Rod. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads.
524
Comment
HSC100122
Calystegia collina subsp. oxyphylla
Christopher Knopp
1978-4-23
29
Lake
Barrel Springs Campground
701
Comment
JEPS94202
Calystegia collina subsp. oxyphylla
Vernon Oswald and Lowell Ahart
1998-5-7
9000
Colusa
Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road
524
Comment
RSA800324
Calystegia collina subsp. oxyphylla
Sandra M. Namoff, Eric R. Carter
2013-6-16
79
Colusa
North of Hwy. 20 take Bear Valley Rd to Brim Rd, population is 0.2 miles NE of intersection of Brim Rd and Bartlett Springs Rd.
648
Comment
UCD110421
Calystegia collina subsp. oxyphylla
Daniel Slakey; CNPS volunteers
2011-6-11
7
Lake
Walker Ridge. W of Walker Ridge Rd., in area that was burned in 2008. About 9 km N of Hwy.20 on Walker Ridge Rd. Border of Lake and Colusa County.
804
Comment
UCD82493
Calystegia collina subsp. oxyphylla
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5682
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
843
Comment
UCD84443
Calystegia collina subsp. oxyphylla
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6051
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here.
817
Comment
UC465949
Calystegia occidentalis subsp. occidentalis
F. Stephens
1894-6-5
Lake
Little Indian Valley
Comment
UCD81718
Calystegia occidentalis subsp. occidentalis
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5723
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
UCR37885
Calystegia subacaulis
K. Faber, Scott LaChance, Mike Rekart
1984-4-28
10
Lake
Indian Valley access road, NE of Clearlake.
854
Comment
UCR40024
Calystegia subacaulis
P. Williams, Brian Kearney, Mike Malamus
1984-4-28
s.n.
Lake
Blue Oak Campground
610
Comment
CHSC70985
Camissoniopsis hirtella
Vernon Oswald; Lowell Ahart
1998-5-7
9004
Colusa
Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads.
524
Comment
CHSC71438
Camissoniopsis hirtella
Vernon H. Oswald; Lowell Ahart
1998-7-15
9296
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
JEPS94220
Camissoniopsis hirtella
Vernon Oswald and Lowell Ahart
1998-5-7
9004
Colusa
Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road
524
Comment
UCD82096
Camissoniopsis intermedia
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5623
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
UCD82382
Camissoniopsis intermedia
Craig Thomsen; G. Harrington
2009-5-12
2823
Colusa
Colusa County. Walker Ridge. South of spur road en route to Eaton Springs, about 1/2 mile east of Walker Ridge Rd. About 200 yds south of road (ravine with spring below).
822
Comment
UCD82085
Campanula angustiflora
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5612
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
HSC66591
Capsella bursa-pastoris
S. Harris, B. Ferguson, M. Moble, M. Smith
1980-4-19
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
HSC95415
Capsella bursa-pastoris
Jeff Enor, Heather Nichols, Bryan Wassom
1999-3-27
10
Lake
Blue Oak Recreation Area, 8 mi. off Hwy. 20
537
Comment
UCD84570
Carduus pycnocephalus
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6095
Lake
Walker Ridge. Picnic Area near wetland/marsh.
899
Comment
UCD82620
Carex praegracilis
Craig Thomsen; G. Harrington
2009-5-12
2889
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
UCD82623
Carex praegracilis
Craig Thomsen; G. Harrington
2009-5-12
2893
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
CDA11401
Carex serratodens
G. F. Hrusa, K. van Katwyk
1995-4-22
12121
Lake
Inner North Coast Ranges; Bartlett Springs Road approx. 1 m. W of intersection of Walker Ridge Road.
Comment
CDA24964
Carex serratodens
G. F. Hrusa, R. Gross
2008-5-23
17414
Lake
North Coast Ranges; Above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir, immed. W of old resort site.
408
Comment
CHSC114989
Carex serratodens
Lowell Ahart
2015-4-10
20015
Lake
On the north side of Brim Road, about 3 miles west of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
645
Comment
HSC27290
Carex serratodens
J. P. Smith, J. O. Sawyer
1972-4-1
5173
Lake
Wuntun Campground
Comment
HSC45544
Carex serratodens
J. P. Smith, J. O. Sawyer
1972-4-1
5173
Lake
Wuntun Campground
Comment
HSC66033
Carex serratodens
S. Harris, B. Ferguson, M. Smith, M. Moble
1980-4-19
Lake
Along Walker Ridge Rd., 1 mi. N of junction with access road to Indian Valley Dam
Comment
JEPS124246
Carex serratodens
Lowell Ahart
2015-4-10
20015
Lake
About 3 miles west of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
UCD82442
Carex serratodens
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5666
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
869
Comment
UCD82514
Carex serratodens
Craig Thomsen; G. Harrington
2009-5-12
2872
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
UCD82720
Carex serratodens
Craig Thomsen; G. Harrington
2009-5-14
2903
Colusa
Colusa County on Walker Ridge: about 200 yds. south of spur road, 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
UCD82727
Carex serratodens
Craig Thomsen; G. Harrington
2009-5-14
2910
Colusa
Colusa County on Walker Ridge: about 200 yds. south of spur road, 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
UCD83755
Carex serratodens
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5952
Colusa
Colusa County. Walker Ridge. Along Walker Ridge Road, Buck Flat.
875
Comment
UCD83799
Carex serratodens
Craig Thomsen; G. Harrington
2009-5-14
2903
Colusa
Colusa County on Walker Ridge: about 200 yds. south of spur road, 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
CAS-BOT-BC230061
Castilleja applegatei
Ellen Dean; C. Thomsen; G. Harrington; R. Wenk
2010-6-2
6046
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring
817
Comment
UC2014139
Castilleja applegatei
Ellen Dean, C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6046
Colusa
Colusa County. Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here.
Comment
UCD84431
Castilleja applegatei
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6046
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here.
817
Comment
CHSC114942
Castilleja applegatei subsp. martinii
Lowell Ahart
2015-4-10
20013
Colusa
Road cut, on the south side of Brim Road, about 2 miles west of the intersection of Bear Valley Road and Brim Road, about 17 miles (air) west of Williams. Chapararal.
500
Comment
CHSC71000
Castilleja applegatei subsp. martinii
Vernon Oswald; Lowell Ahart
1998-5-7
8995
Colusa
Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd.
487
Comment
JEPS124243
Castilleja applegatei subsp. martinii
Lowell Ahart
2015-4-10
20013
Colusa
About 2 miles west of the intersection of Bear Valley Road and Brim Road, about 17 miles (air) west of Williams.
Comment
UCD97120
Castilleja applegatei subsp. martinii
Ellen Dean; G. Harrington, J. Alderson
2011-4-10
6903
Colusa
Along Brim Rd on east slope of Walker Ridge (Brim Rd becomes Bartlett Springs Rd).
438
Comment
HSC45521
Castilleja attenuata
M. Alcasas
1978-4-23
54
Lake
Barrel Springs Campground.
701
Comment
HSC66661
Castilleja attenuata
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
2
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
HSC67129
Castilleja attenuata
S. Harris, S. Ferguson, S. Smith, S. Moble
1980-4-19
Lake
Along Walker Ridge Rd., 1 mi. N of junction with access road to Indian Valley Dam
Comment
UCD83624
Castilleja attenuata
Adam Clause; with PLB 102 class
2010-5-2
3
Colusa
Walker Ridge. Eaton Springs.15 meters north of the main road, on the flat valley floor.
709
Comment
HSC44444
Castilleja densiflora
R. York
1978-4-23
147
Lake
Barrel Springs Campground.
701
Comment
HSC45724
Castilleja densiflora
Catherine Chin
1978-4-23
40
Lake
Barrel Springs Campground.
701
Comment
HSC45698
Castilleja exserta subsp. exserta
Christopher Knopp
1978-4-23
22
Lake
Barrel Springs Campground
701
Comment
HSC48532
Castilleja exserta subsp. exserta
Mark Flippo
1978-4-22
16
Lake
Walker Ridge Rd., 6 mi. from Jct. with Hwy. 20, Metsker
Comment
CHSC114943
Castilleja foliolosa
Lowell Ahart
2015-4-10
20014
Colusa
On the northside of Brim Road, about 2 miles west of the intersection of Bear Valley Road and Brim Road, about 17 miles (air) west of Williams. Chaparral.
500
Comment
HSC87084
Castilleja foliolosa
L. Blackford, S. Branch, D. Malm
1988-4-16
68
Colusa
2 mi. W on Brim Rd. from corner of Brim Rd. and Bear Valley Rd.
518
Comment
JEPS124244
Castilleja foliolosa
Lowell Ahart
2015-4-10
20014
Colusa
About 2 miles west of the intersection of Bear Valley Road and Brim Road, about 17 miles (air) west of Williams.
Comment
RSA589920
Castilleja foliolosa
Michael A. Vincent, Robert M. Rhode
1996-3-30
7297
Colusa
Along Brim Rd., 1.9 mi. W jct. Bear Valley Rd.
Comment
UCR37888
Castilleja foliolosa
K. B. Barrows, C. G. Phillips, L. Cole, S. A. Hautain
1984-4-28
25
Colusa
Descend into Bear Valley, Brim Rd., 6.0 mi. east of Bartlett Springs Rd
488
Comment
CHSC71451
Castilleja minor subsp. spiralis
Vernon H. Oswald; Lowell Ahart
1998-7-15
9271
Colusa
Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd.
487
Comment
RSA466275
Castilleja minor subsp. spiralis
L. F. LaPre, K. Campbell
1987-6-29
s.n.
Lake
Barrel Springs Camp, NE of Clear Lake at Colusa Co. line, on Walker Pass Road
Comment
UC198199
Castilleja minor subsp. spiralis
Katharine Brandegee
1910-8-10
Colusa
Epperson's Grade; sw Colusa Co.
Comment
UC987003
Castilleja minor subsp. spiralis
C. and P. McMillan and L. R. Heckard
1951-9-16
1624
Lake
e of Indian Valley (in canyon of Complexion Creek, on road from Bartlett Springs to Leesville, e Lake County)
Comment
UCD163343
Castilleja minor subsp. spiralis
Craig D. Thomsen
2007-7-31
s.n.
Colusa
Walker Ridge. East of Eaton Springs en route to Rathburn Mine.
Comment
UCD81864
Castilleja minor subsp. spiralis
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5747
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
UCR50153
Castilleja minor subsp. spiralis
L. F. LaPre, K. Campbell
1987-6-29
s.n.
Lake
Inner North Coast Ranges, Barrel Spring Camp, NE of Clear Lake at Colusa Co. line, on Walker Ridge Rd
Comment
JEPS2678
Castilleja rubicundula
W. L. Jepson
1920-5-24
9001
Lake
Indian Valley; ; Indian Valley, N Lake Co.
Comment
UCD84578
Castilleja rubicundula
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6103
Lake
Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection. Meadow on south side of road.
647
Comment
UCR37942
Castilleja rubicundula subsp. lithospermoides
P. Williams, Brian Kearney, Mike Malamus
1984-4-28
74
Colusa
2.9 mi west of Leesville Lodoga Junction on Brim Road.
418
Comment
UCR40060
Castilleja rubicundula subsp. lithospermoides
K. B. Barrows, C. G. Phillips, L. Cole, S. A. Haultain
1984-4-28
27
Colusa
Bear Valley, Brim Road, 2.9 mi west of Leesvillle-Lodoga Junction
418
Comment
CHSC115196
Castilleja rubicundula subsp. rubicundula
Lowell Ahart
2015-4-28
20102
Lake
Along a small meadow wash, small meadow, about 150 yards west of Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
696
Comment
CHSC49016
Castilleja rubicundula subsp. rubicundula
Vernon Oswald
1986-5-12
2021
Lake
Brim Rd. (Barlett Springs Rd.) 0.5 mi w of the road to Barrel Spring.
609
Comment
CHSC78167
Castilleja rubicundula subsp. rubicundula
Lowell Ahart
2000-6-2
8439
Lake
In a meadow near a small wash, 100 feet northeast of Bartlett Springs road, about 400 yards southwest of the radio tower, about 1/4 mile west of Bartlett Springs Road and Walker Ridge Road, about 2 1/2 miles west of Bear Valley.
609
Comment
JEPS117119
Castilleja rubicundula subsp. rubicundula
Peter Warner
2010-5-16
151
Lake
Walker Ridge Rd., ~ 1.4 km S of jct. with Bartlett Springs and Brim roads, at Barrel Springs camping area, in seasonally wet grassland and drainage west of cable fence
Comment
JEPS123904
Castilleja rubicundula subsp. rubicundula
Lowell Ahart
2015-4-28
20102
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
JEPS4494
Castilleja rubicundula subsp. rubicundula
A. A. Heller
1916-6-8
12380
Lake
between Colusa County line and Hough's Springs
Comment
JEPS98585
Castilleja rubicundula subsp. rubicundula
Lowell Ahart
2000-6-2
8439
Lake
2 1/2 mi W of Bear Valley (in a meadow near a small wash, 100 ft NE of Bartlett Springs Rd, 400 yds SW of radio tower, 1/4 mi W of Bartlett Springs Rd and Walker Ridge Rd)
609
Comment
UCD123058
Castilleja rubicundula subsp. rubicundula
S. P. Lynch
1974-5-25
593
Lake
Campsite at Barrel Springs on Walker Ridge Border between Lake and Colusa County.
Comment
UCD81865
Castilleja rubicundula subsp. rubicundula
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5748
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
UCD82498
Castilleja rubicundula subsp. rubicundula
Craig Thomsen; G. Harrington
2009-5-12
2857
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
CDA11400
Castilleja tenuis
G. F. Hrusa, K. van Katwyk
1995-4-22
12120
Colusa
Inner North Coast Ranges; flat on Walker Ridge Road, approx. 6 m. S of intersection with Bartlett Springs Rd.
Comment
CDA21543
Ceanothus cuneatus
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17109
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
RSA399079
Ceanothus cuneatus
Carolyn Sanford
1977-4-24
352
Colusa
Above Barrel Springs Campground.
701
Comment
CHSC101527
Ceanothus cuneatus var. cuneatus
G. F. Hrusa; R. Gross, L. Houser
2008-4-11
17109
Lake
Open, chaparral slopes with woodland on N faces immediately below Indian Valley Reservoir spillway into N. Fork Cache Creek tailrace.
396
Comment
CAS-BOT-BC50808
Ceanothus integerrimus
Brad Kerstetter; Roxanne Jackson; Jeff Cox
1995-5-6
043
Colusa
Blue Oak Campground - Left side of road just before reaching camp from highway 20
548
Comment
HSC25611
Ceanothus integerrimus
J. P. Smith
1971-6-6
4741
Lake
Comment
UC2014137
Ceanothus integerrimus
Ellen Dean, C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6059
Colusa
Colusa County. On Lake County border. Along Walker Ridge Road, between Cold Spring and Buck Flat.
Comment
UCD170264
Ceanothus integerrimus
D. O. Burge
2016-11-3
2188
Colusa
Walker Ridge, E of Indian Valley Reservoir, roadside on Bartlett Springs Road.
980
Comment
UCD170330
Ceanothus integerrimus
D. O. Burge
2016-11-3
2189
Colusa
Walker Ridge, E of Indian Valley Reservoir, roadside on Bartlett Springs Road.
860
Comment
UCD82544
Ceanothus integerrimus
Ellen Dean; G. Harrington, C. Thomsen,R. Wilmarth,Chiao-Yi Cheng
2009-5-20
5699
Colusa
Walker Ridge. Along Walker Ridge just S of turn-off to picnic area near Cold Spring.
1007
Comment
UCD84451
Ceanothus integerrimus
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6059
Colusa
Colusa County. On Lake County border. Walker Ridge. Along Walker Ridge Road, between Cold Spring and Buck Flat.
971
Comment
UCD84453
Ceanothus integerrimus
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6059
Colusa
Colusa County. On Lake County border. Walker Ridge. Along Walker Ridge Road, between Cold Spring and Buck Flat.
971
Comment
CAS-BOT-BC51087
Ceanothus jepsonii
Josh Suchocki; Charlene Vullo; Kyle Wear
1995-4-1
29
Lake
1.2 miles west of Walker Ridge Rd. intersection with Indian Valley Access Rd.
682
Comment
CAS-BOT-BC51088
Ceanothus jepsonii
D. Haskamp; E. Sonnenblick; M. Taft
1995-4-1
23
Lake
1.2 miles West of Walker Ridge Rd. intersection with Indian Valley Access Rd.
682
Comment
HSC97587
Ceanothus jepsonii
A. Burgard, J. Goldsmith, J. Kalt
1996-3-30
13
Lake
1.4 mi W of Walker Ridge Rd. on Indian Reservoir Rd., 57 mi E of Hwy. 101 on Hwy. 20
683
Comment
SBBG118114
Ceanothus jepsonii
C. Bornstein, E. Collins, R. Lutsko
2004-6-18
Lake
Walker Ridge Rd, 0.45 mi S of jct with Bartlett Springs Rd
Comment
UCD112067
Ceanothus jepsonii
D. Sanchez-Mata
1996-7-3
s.n.
Colusa
Williams. Walker Ridge. Wilburg Springs-Wintun Camp.
850
Comment
UCD15023
Ceanothus jepsonii
Charles Gasser
1978-4-9
6
Lake
Bear Valley/Walker Ridge, 16 miles NW on dirt road from intersections of highway 16 and highway 20;
Comment
RSA332453
Ceanothus jepsonii subsp. albiflorus
Cathie Goldberg, Lynn Kunstman, L. E. Philbrick, O. S. Walsh
1980-4-19
36
Lake
Along Walker Ridge Road, 0.5 miles N of jct with access road to Indian Valley Dam.
Comment
CAS-BOT-BC83782
Ceanothus jepsonii var. albiflorus
D. O. Burge; Steven Kembel
2008-5-27
997 b
Colusa
Rathburn-Petray Mine complex, E of Eaton Springs
700
Comment
CHSC98706
Ceanothus jepsonii var. albiflorus
L. P. Janeway
2007-6-17
9056
Lake
Inner North Coast Ranges. Along dirt road 0.3 km northwest of Bartlett Springs Road and Indian Valley Reservoir; about 5.6 air km east of Hough Springs.
500
Comment
HSC42018
Ceanothus jepsonii var. albiflorus
M. A. Baker
1977-4-24
221
Lake
Barrel Springs Campground.
701
Comment
HSC43201
Ceanothus jepsonii var. albiflorus
J. Walker
1977-4-24
27
Colusa
Along Walker Ridge Rd. above Barrel Springs Campground
701
Comment
HSC45709
Ceanothus jepsonii var. albiflorus
Sheila Logan
1978-4-23
88
Lake
Barrel Springs Campground.
701
Comment
HSC59641
Ceanothus jepsonii var. albiflorus
J. P. Smith, J. O. Sawyer
1972-4-1
5166
Lake
6.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd.
Comment
HSC60452
Ceanothus jepsonii var. albiflorus
J. P. Smith
1977-4-24
9036
Colusa
Along Walker Ridge Rd. above Barrel Springs Campground
701
Comment
HSC66067
Ceanothus jepsonii var. albiflorus
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
33
Lake
Along Walker Ridge Rd. 0.5 mi N of junction with access to Indian Valley Dam
Comment
HSC67053
Ceanothus jepsonii var. albiflorus
Teri Bartkowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
25
Lake
Along Walker Ridge Rd., 0.5 mi. N of junction with access road to Indian Valley Dam
Comment
HSC69913
Ceanothus jepsonii var. albiflorus
Thomas W. Nelson, Jane P. Nelson
1978-4-2
3873
Lake
Along Walker Ridge Rd., 6 mi. N of junction with Hwy. 20
Comment
HSC85788
Ceanothus jepsonii var. albiflorus
Rob Marheine, Bruce Delgado, Tim Tilghman
1987-4-10
Lake
6.5 mi. N of Hwy. 20 on Walker Ridge Rd.
Comment
HSC85923
Ceanothus jepsonii var. albiflorus
Eric May, Susan Carter
1987-4-11
131
Lake
6.5 mi from Hwy. 20 on Walker Ridge Rd., 1.4 mi E of Blue Oak Campground, SE of Indian Valley Reservoir
Comment
HSC89679
Ceanothus jepsonii var. albiflorus
William E. Avery, Mathew Henry Bergvall-Mensor, Steve Wilson
1989-4-15
Lake
762
Comment
HSC90059
Ceanothus jepsonii var. albiflorus
Grefsrud, Reed, Rohmer
1990-4-15
57
Lake
Indian Valley Reservoir access rd. 1.5 mi NE of intersection with Walker Rd.
689
Comment
HSC90069
Ceanothus jepsonii var. albiflorus
C. Baldwin, A. Hiss, P. Reynolds
1990-4-14
42
Lake
Indian Valley Reservoir access rd. 1.5 mi NE of intersection with Walker Ridge Rd., 20 m off rd.
689
Comment
HSC96785
Ceanothus jepsonii var. albiflorus
J. Carey, A. Hong, J. Leffingwell
1995-5-6
75
Colusa
3.2 mi N on Walker Ridge Rd. from its junction with Indian Valley Access Rd.
854
Comment
JEPS20111
Ceanothus jepsonii var. albiflorus
W. L. Jepson
1920-5-23
8976
Lake
near summit of range between Bear and Indian Valleys; n.e. Lake Co.
Comment
RSA757814
Ceanothus jepsonii var. albiflorus
Dylan O. Burge
2008-5-27
DOB 997 c
Colusa
Rathburn-Petray Mine complex, east of Eaton Springs, 12.3 km 193 degrees true south-southwest of Leesville.
700
Comment
CDA40145
Ceanothus parryi
G. F. Hrusa, R. Gross, G. Holstein
2014-5-14
18596
Lake
North Coast Ranges; Silver Spur Ranch. Benmore Canyon Rd. in upper Benmore Canyon 1 1/2 mi. S of spillway at Indian Valley Reservoir.
525
Comment
UCD82113
Centaurea melitensis
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5641
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
JEPS93804
Centaurium trichanthum
Vernon H. Oswald and Lowell Ahart
1998-7-15
9288
Lake
0.8 mi s of Bartlett Springs Road (e side of county near Barrel Spring on e side of Baldy Mountain and w of Walker Ridge Road); Baldy Mountain
640
Comment
UCD82477
Centromadia
Craig Thomsen; G. Harrington
2009-5-12
2855
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
HSC27285
Cercis occidentalis
J. P. Smith, J. O. Sawyer
1972-4-1
5175
Lake
Wuntun Campground
Comment
CDA12012
Cercocarpus betuloides
G. F. Hrusa
1990-4-8
7664
Lake
North Coast Biodiversity Arena; W side of Walker Ridge Rd. above Bear Valley.
Comment
RSA590197
Cercocarpus betuloides
Michael A. Vincent, Robert M. Rhode
1996-3-30
7299
Colusa
Along Brim Rd., 1.9 mi. W jct. Bear Valley Rd.
Comment
RSA670064
Cercocarpus betuloides
G. L. Webster
1989-5-6
7698
Colusa
Walker Ridge, near Cold Springs Mt. Near border with Lake County.
Comment
CAS-BOT-BC137035
Cercocarpus betuloides var. betuloides
Eric B. Peterson; Thomas Ward; Matt Foruria
1995-4-1
21
Lake
Blue Oak Campground, about 50m up the canyon from the end of camping area, ~15m uphill from stream on N facing slope
548
Comment
CHSC101241
Cercocarpus betuloides var. betuloides
G. F. Hrusa; R. Gross; L. Houser
2008-4-11
17111
Lake
Open slopes immediately below Indian Valley Reservoir spillway into N. Fk. Cache Creek tailrace.
396
Comment
UCD113068
Cercocarpus betuloides var. betuloides
G. L. Webster
1989-5-6
7698
Colusa
Near border with Lake County. Crest of Walker Ridge, near Cold Springs Mountain.
Comment
HSC85793
Cercocarpus montanus var. glaber
Bruce Delgado, Tim Tilghman, Rob Marheine
1987-4-10
Lake
8 mi. N of Hwy. 20 on Walker Ridge Rd., Blue Oak Campground, E end
Comment
HSC99678
Cercocarpus montanus var. glaber
J. P. Smith, J. O. Sawyer
1972-4-1
5176
Lake
Wuntun Campground
Comment
UCD159334
Chaenactis glabriuscula
D. S. Park; E. Dean
2010-6-5
118
Colusa
Walker ridge, Cold Spring Mt. Exposed serpentine outcrop.
1032
Comment
CDA10716
Chaenactis glabriuscula var. heterocarpha
Vernon H. Oswald & Lowell Ahart
1998-5-7
9011
Colusa
Bartlett Springs Road 2.8 miles west of Bear Valley Road, 0.1 mile east of Sawtelle Valley and Grapevine Flat Roads.
Comment
CHSC70964
Chaenactis glabriuscula var. heterocarpha
Vernon Oswald; Lowell Ahart
1998-5-7
9011
Colusa
Bartlett Springs Rd. 2.8 mi west of Bear Valley Rd., 0.1 mi east of Sawtelle Valley and Grapevine Flat roads. Roadside banks.
633
Comment
CHSC79665
Chaenactis glabriuscula var. heterocarpha
L. Snyder; B. Redfern, A. de Knijf
1999-5-1
54
Lake
Blue Oak Recreation area, Walker Ridge Rd, 12.8 km from Hwy 20.
536
Comment
JEPS34158
Chaenactis glabriuscula var. heterocarpha
W. L. Jepson
1920-5-23
8999
Lake
Indian Valley , North Lake County
Comment
JEPS94218
Chaenactis glabriuscula var. heterocarpha
Vernon Oswald and Lowell Ahart
1998-5-7
9011
Colusa
Bartlett Springs Road 2.8 mi w of Bear Valley Road (0.1 mi e of Sawtelle Valley and Grapevine Flat Roads)
633
Comment
UCD81859
Chaenactis glabriuscula var. heterocarpha
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5743
Colusa
Walker Ridge. Along Walker Ridge Road. Lookout area with fence and view of Indian Valley Reservoir. North of turnoff to Indian Valley Reservoir and S of turnoff to picnic area. W side of road.
1061
Comment
UCD82735
Chaenactis glabriuscula var. heterocarpha
Craig Thomsen; G. Harrington
2009-5-14
2916
Colusa
Colusa County on Walker Ridge: south of spur road about 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
762
Comment
UCD83717
Chamomilla suaveolens
Joseph Schlottman; with PLB 102 class
2010-5-2
3
Colusa
East slope of Walker Ridge. Eaton Springs. Adjacent to main creek.
710
Comment
HSC66587
Cheilanthes intertexta
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
18
Lake
Coldsprings Campground along access road to Indian Valley Dam
Comment
CAS-BOT-BC257007
Chorizanthe membranacea
Doris K. Kildale
1928-5-7
4982
Lake
5 miles east of Hough's Mineral Springs
Comment
CHSC33053
Cirsium cymosum
James P. Smith; John Sawyer
1971-6-6
4729
Lake
0.75 mi. north of Clyde Mine; Walker Ridge Road.
Comment
HSC68239
Cirsium cymosum
J. P. Smith, J. O. Sawyer
1971-6-6
4729
Lake
0.75 mi. N of Clyde Mine, Walker Ridge Rd.
Comment
UCD159331
Cirsium cymosum
D. S. Park
2010-6-5
115
Colusa
Walker ridge, Cold Spring Mt. roadside, grassland.
760
Comment
UCD82543
Cirsium cymosum
Ellen Dean; G. Harrington, C. Thomsen,R. Wilmarth,Chiao-Yi Cheng
2009-5-20
5698 a
Colusa
Walker Ridge. Til Jones Spring area along Walker Ridge Road.
833
Comment
CHSC88587
Cirsium douglasii var. breweri
L. P. Janeway; B. Castro
2001-6-3
7099
Colusa
Inner North Coast Ranges. Spring at Grapevine Flat, on top of Walker Ridge about 0.8 km east of Baldy Mountain.
884
Comment
UCD159335
Cirsium douglasii var. breweri
D. S. Park; E. Dean
2010-6-5
119
Colusa
Walker ridge, Cold Spring Mt.
886
Comment
UCD81874
Cirsium douglasii var. breweri
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5755
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
UCD81875
Cirsium douglasii var. breweri
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5755
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
CDA24950
Cirsium occidentale var. venustum
G. F. Hrusa, R. Gross
2008-5-23
17422
Lake
North Coast Ranges; N-facing slope above N. Fk. Cache Cr. +/- 1 mi. below spillway of Indian Valley Reservoir.
408
Comment
CHSC101243
Cirsium occidentale var. venustum
G. F. Hrusa; R. Gross
2008-5-23
17422
Lake
N-facing slope above N. Fk. Cache Cr. +/- 1 mile below spillway of Indian Valley Reservoir.
408
Comment
UC91771
Cirsium occidentale var. venustum
D. Cleveland
1882-7-1
100
Lake
Indian Valley
Comment
CAS-BOT-BC169769
Cistanthe quadripetala
John Tucker
1948-7-14
s.n.
Lake
Indian Valley
Comment
CAS-BOT-BC164198
Clarkia concinna
C. G. Phillips; L. Cole; S. A. Haultain; K. B. Barrows
1984-4-28
4
Lake
Walker Ridge, Blue Oak Campground, 23 mi. NE of [Clearlake] Clear Lake Oaks via SR20 and Walker Ridge Rd.
609
Comment
CAS-BOT-BC164201
Clarkia concinna
A. Burgard; J. Goldsmith; J. Kalt
1996-5-3
54
Lake
Blue Oak Campground. 5.3 miles west of Walker Ridge Rd. on Indian Reservoir Rd. 57 mi. east of Hwy. 101 on Hwy. 20
548
Comment
CAS-BOT-BC164202
Clarkia concinna
B. Ellyson; J. Hooke; D. Newman
1996-5-4
33
Lake
Benmore Canyon, Blue Oak Campground. 5.3 miles on Indian Reservoir Road; 57 miles east of Hwy. 101 on Hwy. 20
548
Comment
CAS-BOT-BC164203
Clarkia concinna
Tamara Gedik; Thom Heinz; Rebecca Siegle
1996-5-4
46
Lake
Blue Oak Campground; 5.3 miles west of Walker Ridge Rd. on Indian Reservoir Rd.
548
Comment
CAS-BOT-BC164204
Clarkia concinna
Ananda Dickie; Wendy Hooper; Rose Madrone; Kyla Waddell
1996-5-4
46
Lake
5.3 miles west of Walker Ridge Rd., on Indian Res. Rd.; 57 miles east of Hwy. 101 on Hwy 20. Blue Oak Campground
548
Comment
CAS-BOT-BC164205
Clarkia concinna
L. Blackford; S. Branch; D. Malm
1988-4-16
34
Lake
6.1 miles on Walker Ridge Road off Hwy. 20 at Blue Oak Campground
731
Comment
UC1728652
Clarkia concinna
Richard Olmstead
1984-5-15
664
Lake
along dry draw on bank above rd. at outside of turn 1.2 mi. from county line
518
Comment
UCD82196
Clarkia concinna
Ellen Dean; G. Harrington, C. Thomsen,R. Wilmarth,Chiao-Yi Cheng
2009-5-20
5696
Colusa
Walker Ridge. Til Jones Spring area along Walker Ridge Road.
833
Comment
UCR37605
Clarkia concinna
Michelle A. Strull, Et al.
1984-4-28
10
Colusa
6 mi east of Bartlett Springs Road, on Brim Road
488
Comment
UCR39818
Clarkia concinna
Brian Kearney, P. Williams, Mike Malamus
1984-4-28
s.n.
Lake
Blue Oak Campground
610
Comment
UCD82739
Clarkia gracilis
Craig Thomsen; G. Harrington
2009-5-14
2920
Colusa
Walker Ridge: south of spur road about 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
822
Comment
CAS-BOT-BC164526
Clarkia gracilis subsp. albicaulis
A. A. Heller
1916-6-6
12354
Colusa
Coast Range on the grade about 3 miles west of Leesville
Comment
CAS-BOT-BC164527
Clarkia gracilis subsp. albicaulis
A. A. Heller
1916-6-6
12354
Colusa
Coast Range on the grade about 3 miles west of Leesville
Comment
CAS-BOT-BC164528
Clarkia gracilis subsp. albicaulis
Richard A. DeMartile
1983-6-15
107
Colusa
Bartlett Springs Road north of Baldy Mountain
Comment
JEPS43652
Clarkia gracilis subsp. albicaulis
W. L. Jepson
1920-5-24
9002 a
Lake
Indian Valley
457
Comment
LA45424
Clarkia gracilis subsp. albicaulis
G. L. Stebbins Jr.; Malcolm A. Nobs, J. A. Rattenbury
1947-4-27
3755
Colusa
3 mi. W of Leesville, on road to Bartlett Springs
Comment
UC930771
Clarkia gracilis subsp. albicaulis
A. A. Heller
1916-6-6
12354
Colusa
on grade about 3 mi w Leesville; Coast Range
Comment
CAS-BOT-BC164596
Clarkia gracilis subsp. gracilis
C. G. Phillips; L. Cole; S. A. Haultain; K. B. Barrows
1984-4-28
21
Lake
Walker Ridge, Indian Valley Access Rd., 1.1 mi. N of Blue Oak Campground
853
Comment
UCD82386
Clarkia gracilis subsp. gracilis
Craig Thomsen; G. Harrington
2009-5-12
2830
Colusa
Colusa County. Walker Ridge. South of spur road en route to Eaton Springs, about 1/2 mile east of Walker Ridge Rd. About 200 yds south of road (ravine with spring below).
822
Comment
CAS-BOT-BC228564
Clarkia gracilis subsp. tracyi
Daniel Slakey; CNPS volunteers
2011-6-12
5
Lake
Walker Ridge. Barrel Springs area
732
Comment
CDA12217
Clarkia gracilis subsp. tracyi
G. F. Hrusa
1993-6-1
11165
Colusa
North Coast Biodiversity Arena; Bear Valley-Bartlett Springs Rd. midway up east side of Walker ridge.
Comment
CHSC68549
Clarkia gracilis subsp. tracyi
Vernon H. Oswald; David Isle, Rhonda Isle
1997-5-3
8367
Lake
Inner North Coast Range. Bartlett Springs Rd. (M12, County Rd. 303) at Indian Valley Reservoir. On a roadside slope.
457
Comment
CHSC71439
Clarkia gracilis subsp. tracyi
Vernon H. Oswald; Lowell Ahart
1998-7-15
9280
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
CHSC88596
Clarkia gracilis subsp. tracyi
L. P. Janeway
2001-6-6
7114
Colusa
Inner North Coast Ranges. Eaton Springs, about 2.4 km east of Walker Ridge Road. Meadow opening.
713
Comment
JEPS93865
Clarkia gracilis subsp. tracyi
Vernon H. Oswald and Lowell Ahart
1998-7-15
9280
Lake
0.8 mi s of Bartlett Springs Road (e side of county near Barrel Spring on e side of Baldy Mountain and w of Walker Ridge Road); Baldy Mountain
640
Comment
UC1728661
Clarkia gracilis subsp. tracyi
Richard Olmstead
1986-6-14
855
Lake
roadside near small moist meadow 0.7 mi. from Walker Ridge Rd. junction
707
Comment
UCD110411
Clarkia gracilis subsp. tracyi
Daniel Slakey; CNPS volunteers
2011-6-12
5
Lake
Walker Ridge. Barrel Springs area.
732
Comment
UCR80859
Clarkia gracilis subsp. tracyi
G. Fred Hrusa
1993-6-1
11165
Lake
Bear Valley-Bartlett Spring Road, midway up E side of Walker Ridge.
500
Comment
UCR138658
Clarkia purpurea
A. Burgard, J. Goldsmith, J. Kalt
1996-5-4
72
Colusa
8.4 mi north of Indian Reservoir Road on Walker Ridge Road; 57 mi east of Hwy 101 on Hwy 20
701
Comment
CAS-BOT-BC240292
Clarkia purpurea subsp. quadrivulnera
Ellen Dean; C. Thomsen; G. Harrington; Davis Botanical Society
2010-6-5
6085
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Springs
817
Comment
UC2014170
Clarkia purpurea subsp. quadrivulnera
Ellen Dean, G. Harrington, C. Thomsen, Chiao-Yi Cheng, R. Wilmarth
2009-5-20
5650
Colusa
Colusa County: Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
Comment
UCD82122
Clarkia purpurea subsp. quadrivulnera
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5650
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
UCD82130
Clarkia purpurea subsp. quadrivulnera
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5652
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
UCD82462
Clarkia purpurea subsp. quadrivulnera
Craig Thomsen; G. Harrington
2009-5-12
2840
Colusa
On Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
UCD84560
Clarkia purpurea subsp. quadrivulnera
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6085
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Springs. Many old undeveloped roads here.
817
Comment
UCR257973
Clarkia purpurea subsp. quadrivulnera
Craig D. Thomsen, Gordon Harrington
2009-5-12
2840
Colusa
Walker Ridge. Eaton Springs, c. 1 mi east of Walker Ridge Road
707
Comment
CHSC115327
Claytonia exigua subsp. exigua
Lowell Ahart
2015-4-10
20018
Lake
On the north side of Brim Road, about 3 miles west of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
645
Comment
HSC44453
Claytonia exigua subsp. exigua
R. York
1978-4-23
144
Lake
Barrel Springs Campground.
701
Comment
HSC45696
Claytonia exigua subsp. exigua
Christopher Knopp
1978-4-23
24
Lake
Barrel Springs Campground
701
Comment
HSC66029
Claytonia exigua subsp. exigua
S. Harris, B. Ferguson, M. Moble, M. Smith
1980-4-19
Lake
Along Walker Ridge Rd., 1 mi. N of junction with access road to Indian Valley Dam
Comment
JEPS124240
Claytonia exigua subsp. exigua
Lowell Ahart
2015-4-10
20018
Lake
About 3 miles west of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
UC1056274
Claytonia exigua subsp. exigua
Rimo Bacigalupi and Arthur Holmgren
1950-4-26
3186
Colusa
just w Bear Valley (slope just w of base of the grade to Indian Valley (Bartlett Mt. Road)); Inner North Coast Ranges
Comment
UCSC010465
Claytonia exigua subsp. exigua
Dylan M. Neubauer, Tim Forsell
2016-3-31
600
Colusa
(NCoRI) Walker Ridge, Walker Ridge Road, 1.96 air-miles sse Cold Spring Mountain
820
Comment
UCD82628
Claytonia parviflora
Craig Thomsen; G. Harrington
2009-5-12
2900
Colusa
Colusa County on Walker Ridge: from spur road about 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
UCD82629
Claytonia parviflora
Craig Thomsen; G. Harrington
2009-5-12
2901
Colusa
Colusa County on Walker Ridge: from spur road about 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
CHSC115329
Claytonia parviflora subsp. parviflora
Lowell Ahart
2015-4-10
20019
Lake
On the north side of Brim Road, about 3 miles west of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
645
Comment
HSC31713
Claytonia parviflora subsp. parviflora
Teresa Prendusi
1974-5-4
60
Lake
1.5 mi. from jct. to Indian Valley on Walker Ridge
1098
Comment
UC1056273
Claytonia parviflora subsp. parviflora
Rimo Bacigalupi and Arthur Holmgren
1950-4-26
3190
Lake
between Bear Valley and Indian Valley (first summit on Bartlett Mt road, at Colusa-Lake county line); Inner North Coast Ranges
Comment
JEPS124239
Claytonia parvifolia subsp. parvifolia
Lowell Ahart
2015-4-10
20019
Lake
About 3 miles west of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
HSC66638
Clematis lasiantha
P. Powers, D. Stamp, J. Spitler, Cathy Railey, C. Macdonald
1980-4-19
7
Lake
Coldsprings Campground along access rd. to Indian Valley Dam
Comment
HSC86900
Clematis lasiantha
L. Blackford, S. Branch, D. Malm
1988-4-16
55
Colusa
6.1 mi. on Walker Ridge Road off Hwy 20 at Blue Oak campground
732
Comment
HSC86892
Collinsia bartsiifolia var. bartsiifolia
Pat Daly, Rudy Galindo
1988-4-16
42
Lake
6.1 mi. on Walker Ridge Rd. from Hwy. 20 to Blue Oak Campground
732
Comment
UCD81721
Collinsia greenei
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5725
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
UCD84575
Collinsia greenei
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6100
Lake
Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection. Meadow on south side of road.
647
Comment
CHSC101240
Collinsia heterophylla
G. F. Hrusa; R. Gross; L. Houser
2008-4-11
17106
Lake
Open slopes immediately below Indian Valley Reservoir spillway into N. Fk. Cache Creek tailrace.
396
Comment
HSC66017
Collinsia heterophylla
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
3
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
HSC67109
Collinsia heterophylla
S. Harris, B. Ferguson, S. Smith
1980-4-19
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
HSC85776
Collinsia heterophylla
Bobbi Schnell, Andrea Begnoche, Leonel Arguello
1987-4-11
Lake
8 mi. N of Hwy. 20 on Walker Ridge Rd., Blue Oak Campground
Comment
HSC85888
Collinsia heterophylla
Sandy Floyd, Tom Munton, T'ai Roulston
1987-4-11
80
Lake
Blue Oak Campground, 8 mi. N of Hwy. 20 on Walker Ridge Rd., SE of Indian Valley Reservoir, 50 m up stream from campground
Comment
HSC86969
Collinsia heterophylla
L. Blackford, S. Branch, D. Malm
1988-4-16
35
Colusa
6.1 mi. on Walker Ridge Road off Hwy 20 at Blue Oak campground
732
Comment
HSC89735
Collinsia heterophylla
Robin Bencie, James Jones, Rich Dwerlkotte
1989-4-15
9
Lake
7.7 mi. N of Hwy. 20 just W of Walker Ridge Rd., Blue Oak Campground
Comment
HSC90173
Collinsia heterophylla
Andrew Enberg, Brad Penkala, Dan Scofield
1990-4-13
42
Lake
Blue Oak Campground; Indian Valley Reservoir Access Rd., 2.5 mi. NE of intersection with Walker Ridge Rd.
534
Comment
HSC95159
Collinsia heterophylla
A. Hove, A. Poteet, C. Sanville
1999-5-1
27
Lake
Walker Ridge Rd., Blue Oak Recreation Area
537
Comment
RSA408302
Collinsia heterophylla
Patty Powers, J. Spitler, D. Stamp, C Macdonald, Cathy Railey
1980-4-19
8
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
UCD82391
Collinsia heterophylla
Craig Thomsen; G. Harrington
2009-5-12
2834
Colusa
Colusa County. Walker Ridge. About 200 yds. south of spur road en route to Eaton Springs, about 1/2 mile east of Walker Ridge Rd.
822
Comment
UCR138667
Collinsia heterophylla
M. Brooks, Julie Evens, H. Johnson
1997-3-30
9
Lake
Blue Oak Campground
274
Comment
UCR37947
Collinsia heterophylla
Brian Kearney, Mike Malamus, P. Williams
1984-4-28
8
Lake
Blue Oak Campground
610
Comment
HSC85789
Collinsia parviflora
Bruce Delgado, Tim Tilgham, Rob Marheine
1987-4-10
Lake
8 mi. N of Hwy. 20 on Walker Ridge Rd., Blue Oak Campground
Comment
HSC85774
Collinsia rattanii
Bobbi Schnell, Andrea Begnoche, Leonel Arguello
1987-4-11
Lake
Barrel Springs Campground
Comment
CHSC115200
Collinsia sparsiflora var. collina
Lowell Ahart
2015-4-28
20103
Lake
On the west side of a small drainage, about 30 yards north of the south edge of the meadow, Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brom Road, about 18 miles (air) west of Williams.
696
Comment
HSC44298
Collinsia sparsiflora var. collina
Barbara Kelly
1977-4-24
349
Lake
Barrel Springs Campground
701
Comment
HSC45517
Collinsia sparsiflora var. collina
M. Alcasas
1978-4-23
51
Lake
Barrel Springs Campground.
701
Comment
HSC45708
Collinsia sparsiflora var. collina
Sheila Logan
1978-4-23
101
Lake
Barrel Springs Campground.
701
Comment
HSC67111
Collinsia sparsiflora var. collina
Teri Bartowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
8
Lake
Coldsprings Campground along access rd. to Indian Valley Dam
Comment
HSC69916
Collinsia sparsiflora var. collina
Thomas W. Nelson, Jane P. Nelson
1978-4-2
3871
Lake
Along Walker Ridge Rd., 6 mi. N of junction with Hwy. 20
Comment
HSC89705
Collinsia sparsiflora var. collina
Levine, Pacheco, Murphey
1989-4-15
26
Lake
Blue Oak Campground, between Walker Ridge Rd. and Indian Valley Res.
Comment
JEPS123900
Collinsia sparsiflora var. collina
Lowell Ahart
2015-4-28
20103
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
CDA22937
Collinsia sparsiflora var. sparsiflora
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17116
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
CDA24949
Collinsia sparsiflora var. sparsiflora
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17101
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
CHSC101222
Collinsia sparsiflora var. sparsiflora
G. F. Hrusa; R. Gross, L. Houser
2008-4-11
17101
Lake
Open, chaparral slopes with woodland on N faces immediately below Indian Valley Reservoir spillway into North Fork Cache Creek tailrace.
396
Comment
UCR138668
Collinsia sparsiflora var. sparsiflora
M. Brooks, Julie Evens, H. Johnson
1997-3-30
13
Lake
Blue Oak Campground
274
Comment
CAS-BOT-BC230058
Collomia diversifolia
Ellen Dean; K. Mawdsley; G. Harrington; R. Wilmarth; B. Rice; E. Salvia
2009-5-27
5717
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road
833
Comment
CHSC114996
Collomia diversifolia
Lowell Ahart
2015-4-28
20111
Lake
By the rock barrier, Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
696
Comment
CHSC48647
Collomia diversifolia
Vernon Oswald
1986-5-12
2011
Colusa
Brim Rd. (Bartlett Springs Rd.) 2.1 mi w of Bear Valley Rd. On a roadcut.
487
Comment
CHSC70989
Collomia diversifolia
Vernon Oswald; Lowell Ahart
1998-5-7
9006
Colusa
Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. At roadside.
524
Comment
HSC31583
Collomia diversifolia
Thomas E. Higley
1974-5-4
70
Colusa
3/4 mi. N of T junction of Indian Valley.
854
Comment
HSC31719
Collomia diversifolia
Teresa Prendusi
1974-5-4
51
Colusa
Beyond Clyde Mine 1/8 mi.
854
Comment
HSC42020
Collomia diversifolia
M. A. Baker
1977-4-24
217
Lake
Barrel Springs Campground.
701
Comment
HSC42333
Collomia diversifolia
M. A. Baker
1977-4-24
223
Colusa
Walker Ridge Rd. above Barrel Springs Campground
701
Comment Read comments Jul 31 2014
HSC44250
Collomia diversifolia
Barbara Kelly
1977-4-24
360
Lake
Intersection of Bartlett Springs Rd. and Grapevine Spring Rd.
701
Comment
HSC45681
Collomia diversifolia
Patricia Shesgreen
1978-4-23
57
Lake
Barrel Springs Campground
701
Comment
HSC66064
Collomia diversifolia
Teri Bartowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
23
Lake
Along Walker Ridge Rd. .5 mi. N of jct. with access Rd. to Indian Valley Dam.
Comment
JEPS94201
Collomia diversifolia
Vernon Oswald and Lowell Ahart
1998-5-7
9006
Colusa
Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road
524
Comment
POM332471
Collomia diversifolia
L. E. Philbrick, Cathie Goldberg, Lynn Kunstman, Geoff Walsh
1980-4-19
35
Lake
Along Walker Ridge Road, 0.5 miles north of jct. with access road to Indian Valley Dam
Comment
RSA372076
Collomia diversifolia
Katherine Brandegee
1884-07
s.n.
Lake
Epperson's Road
Comment
SEINET2444683
Collomia diversifolia
Joanne Spitler, Patty Powers; Debbie Stamp; Cathy Railey; Cathy Macdonald
1980-4-19
30
Lake
Along Walker Ridge Road, 0.5 miles N of junction with access road to Indian Valley Dam.
Comment
SEINET3860936
Collomia diversifolia
Leigh A. Johnson, Robert L. Johnson
2005-5-23
05 -081
Colusa
Walker Ridge Road, west side along a serpentine road cut, about a half mile south of Til Jones Spring.; 0
817
Comment
UC84867
Collomia diversifolia
K. Curran
1884-7-1
Lake
Epperson's Road; ; ; Epperson's Road, Lake Co.
Comment
UCD110425
Collomia diversifolia
Daniel Slakey; CNPS volunteers
2011-6-11
9
Lake
Walker Ridge. About 9 km N of Hwy. 20 on Walker Ridge Rd. Along and near small road heading west of Walker Ridge Rd. Border of Lake and Colusa County.
813
Comment
UCD110428
Collomia diversifolia
Daniel Slakey; CNPS volunteers
2011-6-12
10
Lake
On roadcut of small ORV trail that connects to Indian Valley Reservoir Rd. About halfway between Walker Ridge Rd and Indian Valley Reservoir.
615
Comment
UCD118038
Collomia diversifolia
D. Boyd; M. Eichelberger, T. Messick, T. Ranker
1980-4-19
35
Lake
Along Walker Ridge Road, 1/2 mile N of junction with access road to Indian Valley Dam.
Comment
UCD163340
Collomia diversifolia
Craig D. Thomsen
2009-5-3
2811
Lake
Walker Ridge, just south of Cold Spring Mountain 6.5 miles north of Hwy 20. Vicinity of Walker Ridge Rd. Along fire break road, just south of guard rail.
1066
Comment
UCD81711
Collomia diversifolia
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5717
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
UCD81856
Collomia diversifolia
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5740
Colusa
Walker Ridge. Along Walker Ridge Road. Lookout area with fence and view of Indian Valley Reservoir. North of turnoff to Indian Valley Reservoir and S of turnoff to picnic area. W side of road.
1061
Comment
UCD82526
Collomia diversifolia
Craig Thomsen; G. Harrington
2009-5-12
2882 b
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. East- facing hillslope above (west border) Eaton Springs meadow complex.
710
Comment
UC2042496
Cordylanthus pilosus
Holly Forbes and Barbara Keller
2009-7-1
Colusa
Walker Ridge Rd about 6.2 mi. N of junction with Highway 20.
Comment
UCD81723
Cordylanthus pilosus
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5727
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
CHSC78535
Cordylanthus pilosus subsp. pilosus
Vernon H. Oswald
2000-8-21
9951
Lake
Near Barrel Spring on Walker Ridge.
701
Comment
JEPS98386
Cordylanthus pilosus subsp. pilosus
Vernon H. Oswald
2000-8-21
9951
Lake
near Barrel Spring (on Walker Ridge)
701
Comment
CDA24957
Cornus glabrata
G. F. Hrusa, R. Gross
2008-5-23
17413
Lake
North Coast Ranges; N-facing slope above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir.
408
Comment
CHSC101532
Cornus glabrata
G. F. Hrusa; R. Gross
2008-5-23
17413
Lake
N-facing slope above North Fork Cache Creek +/- 1/2 mile below spillway of Indian Valley Reservoir.
408
Comment
UCD84448
Cornus glabrata
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6056
Lake
Walker Ridge. Picnic Area near wetland/marsh.
899
Comment
UCD82109
Croton setiger
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5637
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
818
Comment
UCD84442
Cryptantha
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6047
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here.
817
Comment
CAS-BOT-BC230052
Cryptantha clevelandii
Ellen Dean; G. Harrington; C. Thomsen; Chiao-Yi Cheng; R. Wilmarth
2009-5-20
5619
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road
821
Comment
JEPS123213
Cryptantha clevelandii
David Gowen with Dick O'Donnell
2010-7-2
1137
Lake
Large scraped area along Walker Ridge Road.
Comment
JEPS123214
Cryptantha clevelandii
David Gowen with Dick O'Donnell
2010-7-2
1138
Lake
Large scraped area along Walker Ridge Road.
Comment
UCD82092
Cryptantha clevelandii
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5619
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
UCD82106
Cryptantha clevelandii
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5634
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
818
Comment
UCD83720
Cryptantha clevelandii
Joseph Schlottman; with PLB 102 class
2010-5-2
6
Colusa
East slope of Walker Ridge. Eaton Springs area. Southern part of valley, near old road.
713
Comment
UCD84551
Cryptantha clevelandii
Ellen Dean; C. Thomsen, T. Hansen, and windfarm meeting
2010-6-11
6149
Colusa
Walker Ridge. Just south of radio tower on Cold Spring Mountain.
945
Comment
CDA11396
Cryptantha dissita
G. F. Hrusa, K. van Katwyk
1995-4-22
12116
Lake
Inner North Coast Ranges; along summit of Bartlett Springs Road at intersection with Walker Ridge Rd.
Comment
CDA11398
Cryptantha dissita
G. F. Hrusa, K. van Katwyk
1995-4-22
12118
Colusa
Inner North Coast Ranges; Walker Ridge Road, approx. 6 m. S of intersection with Bartlett Springs Rd.
Comment
UC2014136
Cryptantha dissita
Ellen Dean, G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5947
Lake
Lake County: Walker Ridge. Along Walker Ridge Road. At a lookout that overlooks Indian Valley Reservoir that is located 8.3 road miles N of the intersection of Hwy 20.
Comment
UCD83749
Cryptantha dissita
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5947
Lake
Walker Ridge. Along Walker Ridge Road. At a lookout that overlooks Indian Valley Reservoir that is located 8.3 road miles N of the intersection of Hwy 20.
1054
Comment
CDA21520
Cryptantha flaccida
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17093
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
CDA21539
Cryptantha flaccida
G. F. Hrusa, R. Gross
2008-5-23
17438
Lake
North Coast Ranges; Above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir.
408
Comment
CHSC101226
Cryptantha flaccida
G. F. Hrusa; R. Gross
2008-5-23
17438
Lake
N-facing slope above North Fork Cache Creek +/- 1/2 mile below spillway of Indian Valley Reservoir.
408
Comment
CHSC101534
Cryptantha flaccida
G. F. Hrusa; R. Gross, L. Houser
2008-4-11
17073
Lake
Open chaparral slopes with woodland on north faces immediately below Indian Valley Reservoir spillway into North Fork Cache Creek tailrace.
396
Comment
HSC47568
Cryptantha flaccida
Sheila Logan
1978-4-22
88
Lake
Barrel Springs Campground; E side of campground
488
Comment
UC496332
Cryptantha flaccida
Doris K. Kildale
1928-5-2
4984
Lake
5 mi e Houghs Springs
Comment
UCD82485
Cryptantha flaccida
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5672
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
869
Comment
CHSC106242
Cryptantha hispidula
B. Castro; L. P. Janeway
2001-6-3
1258 B
Colusa
Inner North Coast Ranges. Spring at Grapevine flat, on top of Walker Ridge about 0.5 mi E of Baldy Mountain. East-facing slope/bench with large springy/meadowy area. At upper edges of meadow.
883
Comment
JEPS117094
Cryptantha hispidula
Peter Warner
2010-5-16
159
Colusa
Walker Ridge Rd., ~ 8.3 km N of jct. with Hwy 20, ~ 1 km N of jct. w/ Indian Valley Reservoir Rd. at road-cut, both sides and adjacent slopes
Comment
UC1731393
Cryptantha hispidula
Dean W. Taylor
1998-6-23
16704
Colusa
Walker Ridge North Coast Ranges (along access road)
929
Comment
UCD82513
Cryptantha hispidula
Craig Thomsen; G. Harrington
2009-5-12
2871
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
UCD82520
Cryptantha hispidula
Craig Thomsen; G. Harrington
2009-5-12
2877
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
713
Comment
UCD82527
Cryptantha hispidula
Craig Thomsen; G. Harrington
2009-5-12
2883
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. East-facing hillslope above (west border) Eaton Springs meadow complex.
722
Comment
UCD83811
Cryptantha hispidula
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5958
Colusa
Walker Ridge, along Walker Road, just N of main turnoff to Barrel Springs.
712
Comment
UCD82532
Cryptantha intermedia
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5684
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
843
Comment
UCD163839
Cryptantha intermedia var. intermedia
Craig D. Thomsen
2001-4-12
2469
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
CAS-BOT-BC234978
Cryptantha muricata
Ellen Dean; C. Thomsen; G. Harrington; R. Wilmarth; R. Wenk
2010-6-2
6058
Colusa
Walker Ridge. Along Walker Ridge Rd, E side of road in turnout
981
Comment
UC1212061
Cryptantha muricata
C. R. Bell
1950-4-26
770
Colusa
w of Leesville (on road to Bartlett Springs, halfway up e side of county-line ridge)
Comment
UC2014138
Cryptantha muricata
Ellen Dean, C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6058
Colusa
Colusa County. Walker Ridge. Along Walker Ridge Rd, E side of road in turnout. Just past Pinus attenuata groves.
Comment
UCD84446
Cryptantha muricata
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6054
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here.
817
Comment
UCD84450
Cryptantha muricata
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6058
Colusa
Walker Ridge. Along Walker Ridge Rd, E side of road in turnout. Just past Pinus attenuata groves.
981
Comment
CDA21535
Cupressus macnabiana
G. F. Hrusa, R. Gross
2008-5-23
17417
Lake
North Coast Ranges; Above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir. Probably a waif from large populations to NE on Walker Ridge.
408
Comment
CDA677
Cupressus macnabiana
Vernon H. Oswald & Lowell Ahart
1998-5-7
9014
Lake
Bartlett Springs Road on the east approach to Indian Valley Reservoir, between Complexion Spring and Kowalski Ranch.
Comment
JEPS94663
Cupressus macnabiana
Vernon Oswald and Lowell Ahart
1998-5-7
9014
Lake
Bartlett Springs Rd. between Complexion Canyon and Kowalski Ranch (on e approach to Indian Valley Reservoir)
457
Comment
JEPS94799
Cupressus macnabiana
Vernon Oswald and Lowell Ahart
1998-5-7
9014
Lake
Bartlett Springs Road on the e approach to Indian Valley Reservoir (between Complexion Spring and Kowalski Ranch); Bartlett Springs Road
457
Comment
RSA589940
Cupressus macnabiana
Michael A. Vincent, Robert Rhode
1996-3-30
7307
Colusa
Along Walker Ridge Road, 1.0 miles S of junction with Brim Road
Comment
UCD110851
Cupressus macnabiana
Christopher Mallek
2008-1
WR- 1
Colusa
Walker Ridge. Border of Colusa and Lake Counties.
802
Comment
UCD133538
Cupressus macnabiana
R. Robichaux
1975-4-10
36
Lake
Walker Ridge Road, 6.8 miles NNW of junction wuith State Hwy 20.
Comment
UCD67665
Cupressus macnabiana
D. Sanchez-Mata
1996-7-3
s.n.
Colusa
Williams. Walker Ridge. Wilburg Springs-Wintun Camp.
850
Comment
CAS-BOT-BC80821
Cupressus sargentii
G. L. Stebbins
1968-5-15
6890
Lake
Northeast edge of Little Indian Valley, on road from Leesville to Bartlett Springs
457
Comment
UC1585395
Cupressus sargentii
R. Raiche
1989-11-1
90339
Colusa
W of Williams, NW of Wilbur Springs, Walker Ridge, Freshwate Branch of E Fork Sulphur Creek between Signal Rock and Oak Grove
730
Comment
HSC62811
Cynoglossum grande
Rick Lundquist
1979-4-14
19
Colusa
Buck Flat, on Walker Ridge Rd.
884
Comment
HSC66034
Cynoglossum grande
S. Harris, B. Ferguson, M. Moble, M. Smith
1980-4-19
Lake
Along Walker Ridge Rd., 1 mi. N of junction with access road to Indian Valley Dam
Comment
HSC66691
Cynoglossum grande
Cathy Railey, Patty Powers, Debbie Stamp, Joanne Spitler, Cathy Macdonald
1980-4-19
9
Lake
Coldsprings Campground, along access road to Indian Valley Dam; N-facing slopes
Comment
UCD119165
Cynoglossum grande
G. F. Hrusa
1992-2-29
9057
Lake
Above Blue Oak Camp, Indian Valley.
Comment
UCD84568
Cynosurus echinatus
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6093
Lake
Walker Ridge. Picnic Area near wetland/marsh.
899
Comment
CDA21546
Dactylis glomerata
G. F. Hrusa, R. Gross
2008-5-23
17415
Lake
North Coast Ranges; Above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir, immed. W of old resort site.
408
Comment
CHSC106228
Danthonia californica var. californica
B. Castro; L. P. Janeway
2001-6-3
1253
Colusa
Inner North Coast Ranges. Spring near head of Doyle Canyon on east side of Walker Ridge, about 1.7 mi (air) south of Bartlett Springs Road.
798
Comment
CHSC78222
Danthonia californica var. californica
Lowell Ahart
2000-6-2
8437
Lake
Bottom of a small wash, about 100 feet northeast of Bartlett Springs road, about 400 yards southwest of the radio tower, about 1/4 mile west of Bartlett Springs Road and Walker Ridge Road, about 2 1/2 miles west of Bear Valley.
609
Comment
JEPS98562
Danthonia californica var. californica
Lowell Ahart
2000-6-2
8437
Lake
2 1/2 mi W of Bear Valley (bottom of a small wash, 100 ft NE of Bartlett Springs Rd, 400 yds SW of radio tower, 1/4 mi W of Bartlett Springs Rd and Walker Ridge Rd)
609
Comment
UCD81715
Datisca glomerata
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5721
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
UCD82725
Daucus pusillus
Craig Thomsen; G. Harrington
2009-5-14
2908
Colusa
Colusa County on Walker Ridge: south of spur road about 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
HSC89682
Delphinium decorum subsp. tracyi
William E. Avery, Mathew Henry Bergvall-Mensor, Steve Wilson
1989-4-15
Lake
7.7 mi. N of Hwy. 20, just W of Walker Ridge Rd., Blue Oak Campground
152
Comment
HSC66060
Delphinium hesperium
S. Harris, B. Ferguson, M. Smith, M. Moble
1980-4-19
Lake
Along Walker Ridge Rd., 1 mi. N of junction with access road to Indian Valley Dam
Comment
HSC92589
Delphinium hesperium subsp. pallescens
Moulton, Sparks, Wood
1995-5-6
35
Lake
Blue Oak Campground
549
Comment
HSC41862
Delphinium nudicaule
K. Irwin
1977-4-24
302
Colusa
Along Walker Ridge Rd. above Barrel Springs Campground
701
Comment
HSC75711
Delphinium nudicaule
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
17
Lake
Coldsprings Campground along access road to Indian Valley Dam
Comment
CAS-BOT-BC17148
Delphinium uliginosum
James L. Reveal
1988-6-2
6991
Lake
Barrel Springs area just west of the Walker Ridge Road,
762
Comment
CHSC71447
Delphinium uliginosum
Vernon H. Oswald; Lowell Ahart
1998-7-15
9290
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd. Along an intermittent stream.
640
Comment
CHSC78160
Delphinium uliginosum
Lowell Ahart
2000-6-2
8441
Lake
In a meadow near a small wash, 100 feet northeast of Bartlett Springs road, about 400 yards southwest of the radio tower, about 1/4 mile west of Bartlett Springs Road and Walker Ridge Road, about 2 1/2 miles west of Bear Valley.
609
Comment
HSC25601
Delphinium uliginosum
J. P. Smith, J. O. Sawyer
1971-6-6
4747
Lake
Grapevine Flat
Comment
JEPS93791
Delphinium uliginosum
Vernon H. Oswald and Lowell Ahart
1998-7-15
9290
Lake
0.8 mi s of Bartlett Springs Road (e side of county near Barrel Spring on e side of Baldy Mountain and w of Walker Ridge Road); Baldy Mountain
640
Comment
JEPS98433
Delphinium uliginosum
Lowell Ahart
2000-6-2
8441
Lake
2 1/2 mi W of Bear Valley (in a meadow near a small wash, 100 ft NE of Bartlett Springs Rd, 400 yds SW of radio tower, 1/4 mi W of Bartlett Springs Rd and Walker Ridge Rd)
609
Comment
RSA489572
Delphinium uliginosum
James L. Reveal
1988-6-2
6991
Lake
Barrel Springs area just west of the Walker Ridge Road, 1 mile south of the Bartlett Springs Road and about 15 miles north of Hwy 20.
762
Comment
SBBG118102
Delphinium uliginosum
C. Bornstein, E. Collins, R. Lutsko
2004-6-18
Lake
Bartlett Springs Rd, W of Walker Ridge Rd
640
Comment
UC1585383
Delphinium uliginosum
R. Raiche
1989-6-20
90163
Colusa
near Eaton Spring (w of Williams, n of Wilbur Springs); Walker Ridge, Deadshot Flat
710
Comment
UCD110430
Delphinium uliginosum
Daniel Slakey; CNPS volunteers
2011-6-12
16
Lake
Walker Ridge. Barrel Springs area, about 15 miles N of Hwy. 20.
732
Comment
UCD163354
Delphinium uliginosum
Craig D. Thomsen
2000-5-11
2346
Lake
Walker Ridge. Cold Springs area, BLM campground.
Comment
UCD82510
Delphinium uliginosum
Craig Thomsen; G. Harrington
2008-5-12
2868
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
UCD84577
Delphinium uliginosum
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6102
Lake
Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection. Meadow on south side of road.
647
Comment
CHSC32953
Delphinium variegatum
Teri Bartowski; Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
28
Lake
Along Walker Ridge Road, 1.0 mile north of junction with access road to Indian Valley Dam. Meadow.
Comment
UCD82458
Delphinium variegatum subsp. variegatum
Craig Thomsen; G. Harrington
2009-5-12
2836
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
UCD61143
Deschampsia cespitosa
Freed W. Hoffman
1944-7-13
1949
Colusa
Between Indian and Bear valleys.
Comment
CHSC84334
Deschampsia cespitosa subsp. cespitosa
Lowell Ahart
2003-7-14
10395
Lake
Near a small stream, at Barrel Spring, about 1 1/2 miles (air) south of Bartlett Springs Road, about 2 miles (air) west of Bear Valley.
396
Comment
JEPS104239
Deschampsia cespitosa subsp. cespitosa
Lowell Ahart
2003-7-14
10395
Lake
Near a small stream, at Barrel Spring, ca 1 1/2 mi (air) south of Bartlett Springs Rd, ca 2 mi (air) w of Bear Valley.
396
Comment
JEPS82284
Deschampsia cespitosa subsp. cespitosa
Roger Raiche
1982-3-20
20245
Colusa
Walker Ridge
Comment
UCD84520
Deschampsia danthonioides
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6071
Lake
Lake County. Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection.
647
Comment
CDA40153
Dicentra chrysantha
G. F. Hrusa, R. Gross, G. Holstein
2014-5-14
18598
Lake
North Coast Ranges; Slopes above Indian Valley Reservoir, along access rd. Sheet 2 of 2.
557
Comment
CDA40154
Dicentra chrysantha
G. F. Hrusa, R. Gross, G. Holstein
2014-5-14
18598
Lake
North Coast Ranges; Slopes above Indian Valley Reservoir, along access rd. Sheet 1 of 2.
557
Comment
UC1053476
Dicentra chrysantha
Rimo Bacigalupi and Arthur Holmgren
1950-4-26
3179
Colusa
just w Bear Valley (slope just w of base of grade to Indian Valley (Bartlett Mt. Road)); Inner North Coast Ranges
Comment
HSC31688
Dichelostemma capitatum subsp. capitatum
Bonnie Prange
1974-5-4
Colusa
Near Clyde Mine
854
Comment
HSC31718
Dichelostemma capitatum subsp. capitatum
Teresa Prendusi
1974-5-4
50
Colusa
Beyond Clyde Mine 1/8 mi.
854
Comment
HSC41939
Dichelostemma capitatum subsp. capitatum
Richard G. Runyon
1977-4-24
27
Lake
Barrel Springs Campground
701
Comment
HSC66649
Dichelostemma capitatum subsp. capitatum
Cathie Goldberg, Lauren Philbrick, Lynn Kuntsman, Geoff Walsh
1980-4-19
9
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
HSC69918
Dichelostemma capitatum subsp. capitatum
Thomas W. Nelson, Jane P. Nelson
1978-4-2
3869
Lake
Along Walker Ridge Rd., 6 mi. N of junction with Hwy. 20
Comment
HSC85757
Dichelostemma capitatum subsp. capitatum
Jeff Dunk, Tallchief Comet, David Munger
1987-4-11
61
Lake
Barrel Springs Campground
Comment
UCR37948
Dichelostemma capitatum subsp. capitatum
Mike Malamus, P. Williams, B. Kearney
1984-4-28
6
Lake
Blue Oak Campground
610
Comment
HSC66066
Dichelostemma congestum
S. Harris, B. Ferguson, M. Moble, M. Smith
1980-4-19
Lake
Along Walker Ridge Rd., 0.5 mi. N of junction with access rd. to Indian Valley Dam
Comment
HSC67102
Dichelostemma congestum
S. Harris, B. Ferguson, M. Moble, M. Smith
1980-4-19
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
UCD84561
Dichelostemma volubile
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6086
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Springs. Many old undeveloped roads here.
817
Comment
CAS-BOT-BC153242
Diplacus kelloggii
Jeanne McFarland; Kathie Meyer; Anne Mullenniex
1995-4-1
20
Lake
Walker Ridge, Blue Oak Campground off of Indian Reservoir Rd.
542
Comment
CAS-BOT-BC153244
Diplacus kelloggii
D. Haskamp; E. Sonnenblick; M. Taft
1995-4-1
11
Lake
Blue Oak campground on Walker Ridge Rd. Area of Benmore Canyon Creek approx. 200 m east of campsites
Comment
CHSC71452
Diplacus layneae
Vernon H. Oswald; Lowell Ahart
1998-7-15
9291
Lake
East side of sounty near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Barlett Springs Rd.
640
Comment
CHSC79808
Dodecatheon hendersonii
Leanna Brown
1999-3-9
42
Lake
Walker Ridge.
623
Comment
HSC66642
Dodecatheon hendersonii
Cathie Goldberg, Geoff Walsh, Lauren Philbrick, Lynn Kunstman
1980-1
21
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
RSA590196
Dodecatheon hendersonii
Michael A. Vincent, Robert M. Rhode
1996-3-30
7298
Colusa
Along Brim Rd., 1.9 mi. W jct. Bear Valley Rd.
Comment
UCD112600
Dodecatheon hendersonii
Christopher Mallek
2008-4-17
WR2- 5
Colusa
Walker Ridge. Border of Colusa and Lake Counties.
802
Comment
UCD97119
Dodecatheon hendersonii
Ellen Dean; G. Harrington, J. Alderson
2011-4-10
6902
Colusa
Along Brim Rd on east slope of Walker Ridge (Brim Rd becomes Bartlett Springs Rd).
438
Comment
UCR139075
Dodecatheon hendersonii
E. Brower, S. Marubayashi, E. Perry
1997-3-30
016
Lake
Blue Oak Campground, Indian Valley Reservoir. 2.5 mi past intersection of access road and Walker Ridge Road
274
Comment
HSC100076
Dudleya cymosa
William Kristan, Brian Marston, Reid Storre
1988-4-15
39
Lake
6.1 mi. on Walker Ridge Rd. off of Hwy. 20 in Blue Oak Campground
Comment
HSC66639
Dudleya cymosa
Cathie Goldberg, Lynn Kunstman, Lauren Philbrick, Geoff Walsh
1980-4-19
24
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
UCD81726
Dudleya cymosa
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5729
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
864
Comment
HSC87060
Dudleya cymosa subsp. cymosa
Anthony J. Desch, Bryon Cariss
1988-4-16
30
Lake
6.1 mi. from Hwy. 20 on Walker Ridge Rd. in Blue Oak Campground.
579
Comment
HSC41911
Ehrendorferia chrysantha
M. A. Baker
1977-4-24
224
Colusa
Walker Ridge Rd. above Barrel Springs Campground
701
Comment
HSC60471
Ehrendorferia chrysantha
J. P. Smith
1977-4-24
9038
Colusa
Along Walker Ridge Rd. above Barrel Springs Campground
701
Comment
UCD82102
Ehrendorferia chrysantha
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5629
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
CAS-BOT-BC242632
Eleocharis montevidensis
Ellen Dean; K. Mawdsley; G. Harrington; R. Wilmarth; B. Rice; E. Salvia
2009-5-27
5752
Lake
Walker Ridge. Picnic area near Cold Spring
912
Comment
CHSC78198
Eleocharis montevidensis
Lowell Ahart
2000-6-2
8433
Lake
Bottom of a small wash, about 100 feet northeast of Bartlett Springs road, about 400 yards southwest of the radio tower, about 1/4 mile west of Bartlett Springs Road and Walker Ridge Road, about 2 1/2 miles west of Bear Valley.
609
Comment
UCD81871
Eleocharis montevidensis
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5752
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
CHSC81936
Eleocharis parishii
L. P. Janeway; B. Castro
2001-6-3
7102
Colusa
Inner North Coast Ranges. At Buck Flat: east side of Walker Ridge at head of Gaither Canyon; about 1.3 km south-southeast of Baldy Mountain.
872
Comment
JEPS102227
Eleocharis parishii
L. P. Janeway and B. Castro
2001-6-3
7102
Colusa
Inner North Coast Ranges. At Buck Flat: east side of Walker Ridge at head of Gaither Canyon; about 1.3 km south-southeast of Baldy Mountain.
872
Comment
JEPS98434
Eleocharis parishii
Lowell Ahart
2000-6-2
8433
Lake
2 1/2 mi W of Bear Valley (bottom of a small wash, 100 ft NE of Bartlett Springs Rd, 400 yds SW of radio tower, 1/4 mi W of Bartlett Springs Rd and Walker Ridge Rd)
609
Comment
UCD163346
Eleocharis parishii
Craig D. Thomsen
2000-5-11
2352
Colusa
Walker Ridge. Buck Flat.
129
Comment
UCD84576
Eleocharis parishii
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6101 a
Lake
Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection. Meadow on south side of road.
647
Comment
CHSC78199
Eleocharis quinqueflora
Lowell Ahart
2000-6-2
8432
Lake
Bottom of small wash, about 100 feet northeast of Bartlett Springs road, about 400 yards southwest of the radio tower, about 1/4 mile west of Bartlett Springs Road and Walker Ridge Road, about 2 1/2 miles west of Bear Valley.
609
Comment
JEPS98435
Eleocharis quinqueflora
Lowell Ahart
2000-6-2
8432
Lake
2 1/2 mi W of Bear Valley (bottom of small wash, 100 feet NE of Bartlett Springs Rd, 400 yds SW of radio tower, about 1/4 mi W of Bartlett Springs Rd and Walker Ridge Rd)
609
Comment
UCD84521
Eleocharis quinqueflora
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6072
Lake
Lake County. Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection.
647
Comment
UCD84633
Eleocharis quinqueflora
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6101
Lake
Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection. Meadow on south side of road.
647
Comment
UC2014254
Elymus elymoides
Ellen Dean, C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6067
Colusa
Colusa County. On Lake County border. Walker Ridge. Along Walker Ridge Road. Buck Flat.
Comment
UCD82516
Elymus elymoides
Craig Thomsen; G. Harrington
2009-5-12
2874
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
CAS-BOT-BC247093
Elymus glaucus
Ellen Dean; G. Harrington; C. Thomsen; Chiao-Yi Cheng; R. Wilmarth
2009-5-20
5673
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road
869
Comment
UCD82486
Elymus glaucus
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5673
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
869
Comment
UC821522
Elymus multisetus
A. A. Heller
1916-6-6
12357
Colusa
grade about 3 mi w Leesville
Comment
JEPS477
Elymus trachycaulus
W. L. Jepson
1938-6-9
18955
Colusa
w slope of mts. between Indian Valley (Lake Co.) and Bear Valley (Colusa County)
579
Comment
UC1146624
Elymus trachycaulus
Freed W. Hoffman
1944-7-13
1964
Colusa
between Indian Valley and Bear Valley (w Colusa Co,); North Coast Ranges
Comment
UCD81878
Elymus trachycaulus
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5758
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
UCD84516
Elymus trachycaulus
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6067
Colusa
Colusa County. On Lake County border. Walker Ridge. Along Walker Ridge Road. Buck Flat.
872
Comment
UCR257974
Elymus trachycaulus
Ellen Dean, Craig D. Thomsen, Gordon Harrington, R. Wilmarth, R. Wenk
2010-6-2
6067
Colusa
On Lake County border. Walker Ridge, along Walker Ridge Road, Buck Flat
873
Comment
UCD62670
Elymus trachycaulus subsp. trachycaulus
G. L. Stebbins Jr.
1939-7-11
2957
Colusa
3 miles west of Leesville.
Comment
JEPS16205
Emmenanthe penduliflora
Rimo Bacigalupi and Arthur Holmgren
1950-4-26
3180
Colusa
Just west of base of the grade to Indian Valley (Bartlett Mt. Road), just west of Bear Valley, Inner North Coast Ranges
Comment
UC1053475
Emmenanthe penduliflora
Rimo Bacigalupi and Arthur Holmgren
1950-4-26
3180
Colusa
Just west of base of the grade to Indian Valley (Bartlett Mt. Road), just west of Bear Valley. Inner North Coast Ranges
Comment
UCD82384
Emmenanthe penduliflora
Craig Thomsen; G. Harrington
2009-5-12
2825
Colusa
Colusa County. Walker Ridge. South of spur road en route to Eaton Springs, about 1/2 mile east of Walker Ridge Rd. About 200 yds south of road (ravine with spring below).
822
Comment
CHSC71429
Emmenanthe penduliflora var. penduliflora
Vernon H. Oswald; Lowell Ahart
1998-7-15
9294
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
UCD82133
Epilobium brachycarpum
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5663
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
861
Comment
CHSC71440
Epilobium densiflorum
Vernon H. Oswald; Lowell Ahart
1998-7-15
9303
Colusa
West side of county on Walker Ridge Rd. 8.2 mi south of Bartlett Springs Rd., 6.3 mi north of Hwy. 20. In a meadow.
792
Comment
JEPS94756
Epilobium densiflorum
Vernon H. Oswald and Lowell Ahart
1998-7-15
9303
Colusa
6.3 mi n of Highway 20 (w side of Walker Ridge Road 8.2 mi s of Bartlett Springs Road); Walker Ridge Road
792
Comment
UCD82627
Epilobium foliosum
Craig Thomsen; G. Harrington
2009-5-12
2898
Colusa
Colusa County on Walker Ridge: from spur road about 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
CHSC70986
Epilobium minutum
Vernon Oswald; Lowell Ahart
1998-5-7
9005
Colusa
Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads.
524
Comment
JEPS89970
Epilobium minutum
Dean W. Taylor
1972-5-15
1408
Lake
on Walker Ridge Walker Ridge
1127
Comment
JEPS94775
Epilobium minutum
Vernon Oswald and Lowell Ahart
1998-5-7
9005
Colusa
Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road
524
Comment
RSA256638
Epilobium minutum
Donald Spalinger
1974-5-4
41
Lake
Walker Ridge Road 1.5 miles north of Little Indian Valley Road.
1098
Comment
UCD81733
Epilobium minutum
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5735
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
864
Comment
UCR138663
Epilobium pallidum
B. Ellyson, J. Hooke, D. Newman
1996-5-4
36
Lake
Benmore Canyn. 1.4 mi west of Walker Ridge Road on Indian Reservoir Road; 57 mi east of Hwy 101 on Hwy 20
683
Comment
CHSC106240
Epipactis gigantea
B. Castro; L. P. Janeway
2001-6-3
1257
Colusa
Inner North Coast Ranges. Spring at Grapevine flat, on top of Walker Ridge about 0.5 mi E of Baldy Mountain. East-facing slope/bench with large springy/meadowy area. At upper edges of meadow.
880
Comment
JEPS118602
Epipactis gigantea
B. Castro, L. P. Janeway
2001-6-3
1257
Colusa
Inner North Coast Ranges. Spring at Grapevine flat, on top of Walker Ridge about 0.5 mi E of Baldy Mountain. Leesville 7.5' quad.
Comment
UCD82570
Eriastrum tracyi
Tom Zavortink; Gordon Harrington
2009-5-25
s. n.
Colusa
East side and downslopte of Walker Ridge Road just NE of Til Jones Spring.
779
Comment
CAS-BOT-BC287465
Ericameria greenei
Ananda Dickie; et al.
1996-5-4
50
Lake
1.4 miles W of Walker Ridge Rd, on Indian Res Rd; 57 miles E of Hwy 101 on Highway 20
682
Comment
CAS-BOT-BC287619
Ericameria linearifolia
Jeanne McFarland; Kathie Meyer; Anne Mullenniex
1995-4-1
5
Lake
Walker Ridge, on N-facing slope 150' above Blue Oak Campground
579
Comment
CDA11387
Ericameria linearifolia
G. F. Hrusa, K. van Katwyk
1995-4-22
12107
Colusa
Inner North Coast Ranges; Walker Ridge Road approximately 3 miles N of Highway 20.
Comment
HSC36604
Ericameria linearifolia
John Rehling, Robert M. Specht
1976-3-25
138
Lake
6 mi. N on Walker Ridge Rd. from Hwy. 20
Comment
HSC36835
Ericameria linearifolia
John Rehling, Robert M. Specht
1976-3-25
138
Lake
6 mi. N on Walker Ridge Rd. from Hwy. 20
Comment
HSC85780
Ericameria linearifolia
Jeff Dunk, Tallchief Comet, David Munger
1987-4-11
58
Colusa
1.4 mi. E of Blue Oak Campground on Walker Ridge Rd. off Hwy. 20
Comment
HSC85812
Ericameria linearifolia
Sandy Floyd, Tom Munton, T'ai Roulston
1987-4-11
78
Lake
8 mi. N of Hwy. 20 on Walker Ridge Rd. at Blue Oak Campground
Comment
HSC85859
Ericameria linearifolia
Tim Tilghman, Rob Marheine, Bruce Delgado
1987-4-10
Lake
8 mi. N of Hwy. 20 on Walder [Walker?] Ridge Rd., SE of Indian Valley Reservoir, Blue Oak Campground
Comment
HSC90022
Ericameria linearifolia
Andrew Enberg, Brad Penkala, Dan Scofield
1990-4-14
47
Lake
Blue Oak Campground; Indian Valley Reservoir Access Rd., 2.5 mi. NE of intersection with Walker Ridge Rd.
534
Comment
HSC90064
Ericameria linearifolia
Amy Austin, Tony LaBanca, Noreen McClintock
1990-4-14
38
Lake
Blue Oak Campground on Indian Valley Reservoir Rd., 2.5 mi. NE of intersection with Walker Ridge Rd.
534
Comment
HSC95319
Ericameria linearifolia
Todd Bouchier, Kathleen Gifford, Cameron Williams
1999-5-1
26
Lake
Blue Oak Recreation Area; Walker Ridge Rd. 12.8 km. from Hwy. 20
536
Comment
HSC95330
Ericameria linearifolia
A. Miles, M. Malle, B. Gibbs
1999-5-1
27
Lake
Blue Oak Rec. Area; Walker Ridge Rd., 1/2 km. N of campground
536
Comment
RSA671050
Ericameria linearifolia
G. Fred Hrusa
1995-4-2
12107
Colusa
On Walker Ridge Road approx. 3 miles N of Highway 20
950
Comment
UCD131145
Ericameria linearifolia
G. F. Hrusa; K. Van Katwyk
1995-4-22
12107
Colusa
Inner North Coast Ranges.
950
Comment
UCD84636
Erigeron greenei
G. Harrington
2009-7-7
84
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones spring area on W side of road. Ca 6.5 road miles N of junction with Hwy 20. W side of road.
833
Comment
UCD84637
Erigeron greenei
G. Harrington
2009-7-21
86
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones spring area on W side of road. Ca 6.5 road miles N of junction with Hwy 20. W side of road.
833
Comment
CDA26546
Erigeron philadelphicus
G. F. Hrusa, R. Gross
2008-5-23
17412
Lake
North Coast Ranges; Above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir, immed. W of old resort site.
408
Comment
CHSC101545
Erigeron philadelphicus
G. F. Hrusa; R. Gross
2008-5-23
17412
Lake
N-facing slope above N. Fork Cache Creek +/- 1/2 mile below spillway of Indian Valley Reservoir. Lower slope at farthest point to W, immediately west of old resort site.
408
Comment
CDA22931
Eriodictyon californicum
G. F. Hrusa, R. Gross
2008-5-23
17436
Lake
North Coast Ranges; Above N. Fk. Cache Cr. +/- 1 mi. below spillway of Indian Valley Reservoir.
438
Comment
CHSC101239
Eriodictyon californicum
G. F. Hrusa; R. Gross
2008-5-23
17436
Lake
N-facing slope above N. Fk. Cache Cr. +/- 1 mile below spillway of Indian Valley Reservoir.
438
Comment
HSC66581
Eriodictyon californicum
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
7
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
HSC96885
Eriodictyon californicum
J. Carey, A. Hong, J. Leffingwell
1995-5-6
79
Lake
250 m N up Indian Valley access rd from Blue Oak recreation Site sign, W side of road
549
Comment
RSA401486B
Eriodictyon californicum
Carolyn Sanford
1977-4-24
s.n.
Colusa
Dry hillsides along Walker Ridge Road above Barrel Springs Campground.
701
Comment Read comments Jul 31 2014
UCD84550
Eriodictyon californicum
Ellen Dean; C. Thomsen, T. Hansen, and windfarm meeting
2010-6-11
6148
Colusa
Walker Ridge. Along Walker Ridge Road at Cold Spring Mountain radio tower area.
1082
Comment
NY243175
Eriogonum ampullaceum
J. L. Reveal
1972-7-18
2788
Mono
Along California Highway 120, 3.4 miles west of Benton and U.S. Highway 6, and 1.6 miles northeast of Benton Hot Springs.
1767.8
Comment
SD86304
Eriogonum ampullaceum
James L. Reveal, Caroline G. Reveal
1972-7-18
2788
Mono
Along California Highway 120, 3.4 miles west of Benton and U.S. Highway 6, and 1.6 miles northeast of Benton Hot Springs
1768
Comment
SEINET5324289
Eriogonum ampullaceum
J. L. Reveal, C. G. Reveal
1972-7-18
2788
Mono
Along California Hwy 120, 3.4 mi W of Benton and U.S. Hwy 6, and 1.6 mi NE of Benton Hot Springs
1768
Comment
UC1395235
Eriogonum ampullaceum
James L. Reveal, Caroline G. Reveal
1972-7-18
2788
Mono
1.6 mi ne Benton Hot Springs (along Clifornia Highway 120, 3.4 mi w of Benton and U.S. Highway 6)
1767
Comment
UCD99668
Eriogonum ampullaceum
James L. Reveal; Caroline G. Reveal
1972-7-18
2788
Mono
along California Highway 120, 3.4 miles west of Benton and U.S. Highway 6 and 1.6 miles NE of Benton Hot Springs.
1767
Comment
NY243066
Eriogonum brachyanthum
J. L. Reveal
1972-7-18
2789
Mono
Along California Highway 120, 3.4 miles west of Benton and U.S. Highway 6, and 1.6 miles northeast of Benton Hot Springs.
1767.8
Comment
CAS-BOT-BC242579
Eriogonum dasyanthemum
James L. Reveal
1988-6-2
6986
Colusa
Walker Ridge Road along the Lake County line, 4.1 miles south of the Bartlett Springs Road and 3.2 miles south of the northern turnoff to Barrel Springs Campground, about 12.7 miles north of California Highway 20
990
Comment
CDA15553
Eriogonum dasyanthemum
G. F. Hrusa
1998-10-28
14904
Colusa
North Coast Ranges; Summit of Walker Ridge.
Comment
HSC94132
Eriogonum dasyanthemum
G. Fred Hrusa
1998-10-28
14904
Colusa
Along summit of Walker Ridge
900
Comment
UCD82091
Eriogonum dasyanthemum
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5618
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
UCD82736
Eriogonum dasyanthemum
Craig Thomsen; G. Harrington
2009-5-14
2917
Colusa
Colusa County on Walker Ridge: south of spur road about 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
762
Comment
CDA21529
Eriogonum luteolum
G. F. Hrusa, R. Gross
2008-5-23
17452
Lake
North Coast Ranges; Indian Valley Reservoir Rd. above Reservoir, just above Blue Oak Campground.
594
Comment
CHSC101549
Eriogonum luteolum
G. F. Hrusa; R. Gross
2008-5-23
17452
Lake
Roadside on Indian Valley Reservoir Rd. within chaparral above Reservoir, just above Blue Oak Campground.
594
Comment
CAS-BOT-BC267420
Eriogonum tripodum
Katharine Brandegee
1882-7-1
s.n.
Lake
Indian Valley
Comment
CAS-BOT-BC267422
Eriogonum tripodum
Mrs. Curran
1884-7-1
s.n.
Lake
Indian Valley
Comment
CHSC84232
Eriogonum tripodum
Lowell Ahart
2003-7-14
10399
Lake
On the west side of the second causeway going southwest on Bartlett Springs Road, Indian Valley Reservoir.
449
Comment
JEPS104391
Eriogonum tripodum
Lowell Ahart
2003-7-14
10399
Lake
On the w side of the second causeway going sw on Bartlett Springs Rd, Indian Valley Reservoir.
449
Comment
UC762655
Eriogonum tripodum
R. F. Hoover
1938-6-9
3573
Lake
Indian Valley
Comment
UC85700
Eriogonum tripodum
D. Cleveland
1882-7-1
93
Lake
Indian Valley
Comment
UCD163314
Eriogonum wrightii
Craig D. Thomsen
1997-4-13
1903
Colusa
Bear Valley. About 6 miles north of Hwy 20. Vicinity of Trout Creek, north of Deadshot Canyon.
Comment
UC155214
Eriogonum wrightii var. trachygonum
Katharine Brandegee
1910-1
Lake
Indian Valley
Comment
HSC41864
Eriophyllum lanatum
K. Irwin
1977-4-24
300
Colusa
Along Walker Ridge Rd. above Barrel Springs Campground
701
Comment
CDA21513
Eriophyllum lanatum var. achilleoides
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17096
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
CHSC101237
Eriophyllum lanatum var. achilleoides
G. F. Hrusa; R. Gross, L. Houser
2008-4-11
17096
Lake
Open, chaparral slopes with woodland on N faces immediately below Indian Valley Reservoir spillway into N. Fork Cache Creek tailrace.
396
Comment
CHSC48153
Eriophyllum lanatum var. achilleoides
Vernon Oswald
1986-5-12
2016
Lake
Brim Rd. (Bartlett Springs Rd.) at the jct. of the road to Barrel Spring.
640
Comment
HSC66640
Eriophyllum lanatum var. achilleoides
Cathie Goldberg, Lynn Kunstman, Lauren Philbrick, Geoff Walsh
1980-4-19
23
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
HSC90018
Eriophyllum lanatum var. achilleoides
Andrew Enberg, Brad Penkala, Dan Scofield
1990-4-14
48
Lake
Blue Oak Campground, Indian Valley Reservoir Access Rd., 2.5 mi. NE of intersection with Walker Ridge Rd.
534
Comment
JEPS34595
Eriophyllum lanatum var. achilleoides
W. L. Jepson
1920-5-24
9028
Lake
hills e Indian Valley (n Lake Co.)
Comment
UC195369
Eriophyllum lanatum var. achilleoides
A. A. Heller
1916-6-6
12353
Colusa
on grade about 3 mi w Leesville; Coast Range
Comment
UCR37968
Eriophyllum lanatum var. achilleoides
K. B. Barrows, C. G. Phillips, L. Cole, S. A. Haultain
1984-4-28
3
Lake
Walker Ridge, Blue Oak Campground, 23 mi. NE of Clearlake Oaks via State Route 20 & Walker Ridge Rd., Wilbur Springs 15' Q.
610
Comment
CHSC84230
Eriophyllum lanatum var. grandiflorum
Lowell Ahart
2003-7-14
10401
Lake
On the west side of the second causeway going southwest on Bartlett Springs Road, Indian Valley Reservoir.
449
Comment
JEPS104393
Eriophyllum lanatum var. grandiflorum
Lowell Ahart
2003-7-14
10401
Lake
On the w side of the second causeway going sw on Bartlett Springs Rd, Indian Valley Reservoir.
449
Comment
HSC67110
Erodium cicutarium
Teri Bartkowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
10
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
UCD82123
Erodium cicutarium
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5651
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
UCR37895
Erodium cicutarium subsp. jacquinianum
C. G. Phillips, L. Cole, S. A. Haultain, K. B. Barrows
1984-4-28
14
Lake
Walker Ridge, Blue Oak Campground, 23 mi NE of Clearlake Oaks via SR20 and Walker Ridge Road, Wilbur Springs 15' Q.
610
Comment
UC660108
Eryngium aristulatum var. aristulatum
Milo S. Baker
1941-7-8
10110
Colusa
s. Stony Ford (Valley along Bear Creek); Valley along Bear Creek
Comment
GH379584
Erysimum capitatum
S. Harris, M. Moble, B. Ferguson & M. Smith
1980-4-19
Unknown
along Walker Ridge Road, 3.7 miles north of junction with access road to Indian Valley Dam
Comment
UC1034721
Erysimum capitatum
G. B. and R. P. Rossbach
1938-5-31
851
Colusa
ravine slope about 18 mi w Williams
Comment
UCD163847
Erysimum capitatum
Craig D. Thomsen
2000-5-30
2273
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
HSC31394
Erysimum capitatum var. capitatum
Maralyn O'Meara, Gary S. Lester
1974-5-4
351
Lake
Walker Ridge Rd., 1.5 mi. N from junction with Little Indian Valley Rd., 0.2 mi. S from Cold Spring Mtn.
1098
Comment
HSC41859
Erysimum capitatum var. capitatum
K. Irwin
1977-4-24
298
Colusa
Along Walker Ridge Rd. above Barrel Springs Campground
701
Comment
HSC45737
Erysimum capitatum var. capitatum
Howee Barban
1978-4-23
31
Lake
Barrel Springs Campground
701
Comment
HSC66046
Erysimum capitatum var. capitatum
Teri Bartowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
34
Lake
Along Walker Ridge Rd., 3.7 mi. N of junction with access road to Indian Valley Dam
Comment
UCD115009
Erysimum capitatum var. capitatum
Clinton C. Shock
1980-5-3
76
Lake
Walker Ridge, 12 miles north of State Highway 20.
609
Comment Read comments Aug 4 2015
UCD81855
Erysimum capitatum var. capitatum
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5739
Colusa
Walker Ridge. Along Walker Ridge Road. Lookout area with fence and view of Indian Valley Reservoir. North of turnoff to Indian Valley Reservoir and S of turnoff to picnic area. W side of road.
1061
Comment
CHSC114993
Erythranthe latidens
Lowell Ahart
2015-4-28
20104
Lake
About 30 yards north of the south edge of the meadow, Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
696
Comment
CHSC106250
Erythranthe microphylla
B. Castro; L. P. Janeway
2001-6-3
1254
Colusa
Inner North Coast Ranges. Spring near head of Doyle Canyon on east side of Walker Ridge, about 1.7 mi (air) south of Bartlett Springs Road.
798
Comment
CHSC84192
Erythranthe microphylla
Lowell Ahart
2003-7-14
10396
Lake
Near a small stream, at Barrel Spring, about 1 1/2 miles (air) south of Bartlett Springs Road, about 2 miles (air) west of Bear Valley.
396
Comment
CHSC84227
Erythranthe microphylla
Lowell Ahart
2003-7-14
10404
Lake
Along a stream, on the west side of the second causeway going southwest on Bartlett Springs Road, Indian Valley Reservoir.
449
Comment
HSC66031
Eschscholzia caespitosa
S. Harris, B. Ferguson, M. Smith, M. Moble
1980-4-19
Lake
Along Walker Ridge Rd., 1 mi. N of junction with access road to Indian Valley Dam
Comment
HSC86968
Eschscholzia caespitosa
L. Blackford, S. Branch, D. Malm
1988-3-16
57
Lake
6.1 mi. on Walker Ridge Rd. off Hwy. 20 at Blue Oak Campground
732
Comment
UCD82626
Eschscholzia caespitosa
Craig Thomsen; G. Harrington
2009-5-12
2896
Colusa
Colusa County on Walker Ridge: from spur road about 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
UCR139076
Eschscholzia caespitosa
E. Brower, S. Marubayashi, E. Perry
1997-3-30
013
Lake
Blue Oak Campground, Indian Valley Reservoir. 2.5 mi past intersection of access road and Walker Ridge Road
274
Comment
UCR37886
Eschscholzia caespitosa
K. Faber, Scott LaChance, Mike Rekart
1984-4-28
7
Lake
Blue Oak Campground. 23 mi NE of Clearlake
610
Comment
HSC89702
Eschscholzia lobbii
Eric German, Klara Varga, Michele Cardinaux
1989-4-15
30
Lake
Blue Oak Campground, 7.7 mi. N of Hwy. 20
152
Comment
CDA11402
Euphorbia crenulata
G. F. Hrusa, K. van Katwyk
1995-4-22
12122
Lake
Inner North Coast Ranges; Bartlett Springs Road approx. 1 m. W of intersection of Walker Ridge Road.
Comment
CHSC115195
Euphorbia crenulata
Lowell Ahart
2015-4-28
20101
Lake
Along small drainage, northwest of the meadow, about 150 yards west of Barrel Spring Meadow,about a 1/4 mile (air) west of Walker Ridge Road, about 1/4 mile (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
696
Comment
CHSC115331
Euphorbia crenulata
Lowell Ahart
2015-4-10
20011
Colusa
In a small meadow, on the south side of Brim Road, about 2 miles west of the intersection of Bear Valley Road and Brim Road, about 17 miles (air) west of Williams.
500
Comment
CHSC70978
Euphorbia crenulata
Vernon Oswald; Lowell Ahart
1998-5-7
8994
Colusa
Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. Roadside bank.
487
Comment
HSC25606
Euphorbia crenulata
J. P. Smith, J. O. Sawyer
1971-6-6
4742
Lake
Buck Flat Recreation Site
Comment
JEPS82274
Euphorbia crenulata
Roger Raiche
1983-5-22
30339
Lake
w side Walker Ridge summit (stream along Bartlett Springs Road, feeding into Indian Valley Reserovir); Indian Valley Reservoir
304
Comment
SD8700
Euphorbia crenulata
Daniel Cleveland
1882-7-1
Lake
Indian Valley Lake.
Comment
UC1053473
Euphorbia crenulata
Rimo Bacigalupi and Arthur Holmgren
1950-4-26
3184
Colusa
just w Bear Valley (slope just w of base of grade to Indian Valley (Bartlett Mt. Road)); Inner North Coast Ranges
Comment
UCD163848
Euphorbia crenulata
Craig D. Thomsen
2000-5-30
2275 b
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
UCD81867
Euphorbia lathyris
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5750
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
CHSC114992
Euphorbia spathulata
Lowell Ahart
2015-4-28
20110
Lake
About 60 south of the north edge of the meadow, Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) west of Williams.
696
Comment
CHSC70979
Euphorbia spathulata
Vernon Oswald; Lowell Ahart
1998-5-7
9002
Colusa
Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads.
524
Comment
CHSC78144
Euphorbia spathulata
Lowell Ahart
2000-6-2
8438
Lake
In a meadow near a small wash, 100 feet northeast of Bartlett Springs road, about 400 yards southwest of the radio tower, about 1/4 mile west of Bartlett Springs Road and Walker Ridge Road, about 2 1/2 miles west of Bear Valley.
609
Comment
HSC41943
Euphorbia spathulata
Richard G. Runyon
1977-4-24
32
Lake
Barrel Springs Campground
701
Comment
HSC45670
Euphorbia spathulata
Stephen Plant
1978-4-23
230
Lake
Barrel Springs Campground
701
Comment
HSC60453
Euphorbia spathulata
J. P. Smith
1977-4-24
9035
Lake
Barrel Springs Campground
701
Comment
JEPS123894
Euphorbia spathulata
Lowell Ahart
2015-4-28
20110
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
JEPS94662
Euphorbia spathulata
Vernon Oswald and Lowell Ahart
1998-5-7
Colusa
Bartlett Springs Rd. 2.1 mi w Bear Valley Rd. (0.8 mi e of Sawtelle Valley and Grapevine Flat roads)
524
Comment
JEPS94798
Euphorbia spathulata
Vernon Oswald and Lowell Ahart
1998-5-7
9002
Colusa
Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road
524
Comment
JEPS98456
Euphorbia spathulata
Lowell Ahart
2000-6-2
8438
Lake
2 1/2 mi W of Bear Valley (about 100 ft NE of Bartlett Springs road, 400 yds SW of the radio tower, 1/4 mi W of Bartlett Springs Road and Walker Ridge Road)
609
Comment
UCD81876
Euphorbia spathulata
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5756
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
UCD82503
Euphorbia spathulata
Craig Thomsen; G. Harrington
2009-5-12
2863
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
UCD84525
Euphorbia spathulata
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6076
Lake
Lake County. Walker Ridge. Along Walker Ridge Road. Barrel Spring.
701
Comment
CDA22948
Festuca arundinacea
G. F. Hrusa, R. Gross
2008-5-23
17421
Lake
North Coast Ranges; N-facing slope above N. Fk. Cache Cr. +/- 1 mi. below spillway of Indian Valley Reservoir, near old resort site.
408
Comment
UCD84515
Festuca arundinacea
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6066
Colusa
Colusa County. On Lake County border. Walker Ridge. Along Walker Ridge Road. Buck Flat.
872
Comment
CDA21527
Festuca elmeri
G. F. Hrusa, R. Gross
2008-5-23
17444
Lake
North Coast Ranges; Slope above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir.
408
Comment
CAS-BOT-BC63012
Frangula californica subsp. crassifolia
A. A. Heller
1916-6-6
12360
Colusa
Coast Range on the grade about 3 mi. w. of Leesville.
Comment
CAS-BOT-BC63013
Frangula californica subsp. crassifolia
A. A. Heller
1916-6-6
12360
Colusa
Coast Range on the grade about 3 mi. w. of Leesville.
Comment
CAS-BOT-BC63014
Frangula californica subsp. crassifolia
A. A. Heller
1916-6-6
12359
Colusa
Coast Range on the grade about 3 mi. w. of Leesville.
Comment
CAS-BOT-BC63015
Frangula californica subsp. crassifolia
A. A. Heller
1916-6-6
12359
Colusa
Coast Range on the grade about 3 mi. w. of Leesville.
Comment
CAS-BOT-BC63016
Frangula californica subsp. crassifolia
C. B. Wolf; B. D. Stark
1933-9-25
5506
Colusa
Inner n. coast range, w. side of Bear Valley, near Mitchell Ranch House. Type Locality.
304
Comment
GH425930
Frangula californica subsp. crassifolia
W. L. Jepson
1920-5-23
8975
Unknown
On grade over ridge to Indian Valley. Hills west of Bear Valley.
762
Comment
HSC60182
Frangula californica subsp. tomentella
J. P. Smith, J. O. Sawyer
1971-6-6
4733
Lake
Scenic vista point along crest of Walker Ridge.
Comment
UCD83758
Frangula californica subsp. tomentella
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5954
Colusa
Colusa County. Walker Ridge. Along Walker Ridge Road, Buck Flat.
875
Comment
HSC27456
Fraxinus dipetala
J. P. Smith, J. O. Sawyer
1972-4-1
5184
Lake
Rd. between Indian Valley and Bear Valley
Comment
HSC66135
Fraxinus dipetala
Cathie Goldberg, Lynn Kunstman, Lauren Philbrick, Geoff Walsh
1980-4-19
47
Colusa
On Bartlett Springs Rd.
Comment Read comments Aug 13 2014
HSC95713
Fraxinus dipetala
A. Burgard, J. Goldsmith, J. Kalt
1996-3-30
27
Lake
Blue Oak Campground 5.3mi W of Walker Ridge Rd. on Indian Reservoir Rd., 57mi E of Hwy. 101 on Hwy. 20
549
Comment
SFV18552
Fraxinus dipetala
J. B. Belsher, P. C. Nichols, J. Kendall
1997-4-26
24
Lake
North Coast Ranges Roadside along Indian Valley access Road, 2.5 miles past intersection of access road and Walker Ridge Road.
550
Comment
CDA21514
Fritillaria affinis
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17095
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
HSC27153
Fritillaria affinis
J. P. Smith, J. O. Sawyer
1972-4-1
5160
Lake
6.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd.
Comment
HSC67124
Fritillaria affinis
M. Smith, S. Harris, B. Ferguson, M. Moble
1980-4-19
Lake
Along Walker Ridge Rd. 0.5 mi. N of junction with access road to Indian Valley Dam
Comment
HSC69911
Fritillaria affinis
Thomas W. Nelson, Jane P. Nelson
1978-4-2
3874
Lake
Along Walker Ridge Rd., 6 mi. N of junction with Hwy. 20
Comment
RSA293156
Fritillaria affinis
Thomas W. Nelson, Jane P. Nelson
1978-4-2
3874
Lake
Along Walker Ridge Road 6 miles north of junction with State Route 20
Comment
UCD112596
Fritillaria affinis
Christopher Mallek
2008-4-17
WR2- 6
Colusa
Walker Ridge. Border of Colusa and Lake Counties.
802
Comment
UCD81705
Fritillaria affinis
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5713
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
UCSC010485
Fritillaria affinis
Dylan M. Neubauer, Tim Forsell
2016-3-31
598
Colusa
(NCoRI) Walker Ridge, Walker Ridge Road, 1.96 air-miles sse Cold Spring Mountain
820
Comment
UCSC010486
Fritillaria affinis
Dylan M. Neubauer, Tim Forsell
2016-3-31
598
Colusa
(NCoRI) Walker Ridge, Walker Ridge Road, 1.96 air-miles sse Cold Spring Mountain
820
Comment
JEPS42811
Fritillaria pluriflora
Wayne Roderick
1966-3-26
Colusa
1/2 mi e of Robbers Flat (adjacent to Bartlett Springs Road, Bear Valley); Bear Valley
417
Comment
SEINET3887076
Fritillaria pluriflora
D. W. McNeal
1991-4-13
3808
Lake
Above Brim Rd., ca 100 m. w. of the jct. of Walker Rd., e. of Indian Valley Reservoir.; 0
Comment
UCD23462
Fritillaria pluriflora
J. R. Griffin
1969-4-1
3073
Lake
Barrel Springs, C.G. Walker Ridge.
Comment
UCD82525
Fritillaria pluriflora
Craig Thomsen; G. Harrington
2009-5-12
2882 a
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. East- facing hillslope above (west border) Eaton Springs meadow complex.
722
Comment
HSC27156
Fritillaria purdyi
J. P. Smith, J. O. Sawyer
1972-4-1
5159
Lake
6.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd.
Comment
HSC67131
Fritillaria purdyi
S. Harris, B. Ferguson, M. Moble, M. Smith
1980-4-19
Lake
Along Walker Ridge Rd., 0.5 mi. N of junction with access rd. to Indian Valley Dam
Comment
UCR37894
Fritillaria purdyi
C. G. Phillips, L. Cole, S. A. Haultain, K. B. Barrows
1984-4-28
16
Lake
Walker Ridge. Indian Valley Access Road, 1.1 mi. north of Blue Oak Campground, Wilbur Springs 15' Q.
854
Comment
UCSC010483
Fritillaria purdyi
Dylan M. Neubauer, Tim Forsell
2016-3-31
599
Colusa
(NCoRI) Walker Ridge, Walker Ridge Road, 1.96 air-miles sse Cold Spring Mountain
820
Comment
UCSC010484
Fritillaria purdyi
Dylan M. Neubauer, Tim Forsell
2016-3-31
599
Colusa
(NCoRI) Walker Ridge, Walker Ridge Road, 1.96 air-miles sse Cold Spring Mountain
820
Comment
HSC42019
Galium andrewsii
M. A. Baker
1977-4-24
219
Lake
Barrel Springs Campground.
701
Comment
HSC44442
Galium andrewsii
R. York
1978-4-23
145
Lake
Barrel Springs Campground.
701
Comment
HSC45703
Galium andrewsii
Sheila Logan
1978-4-23
108
Lake
Barrel Springs Campground
701
Comment
CHSC43737
Galium andrewsii subsp. andrewsii
Vernon Oswald
1986-5-12
2012
Colusa
Brim Rd. (Bartlett Springs Rd.) 2.1 mi W of Bear Valley Rd.
487
Comment
CHSC48878
Galium andrewsii subsp. andrewsii
Vernon Oswald
1986-5-12
2018
Lake
Brim Rd. (Bartlett Springs Rd.) at the jct. Of the road to Barrel Spring.
640
Comment
JEPS52784
Galium andrewsii subsp. andrewsii
Lauramay T. Dempster and G. L. Stebbins
1967-4-8
4356
Colusa
Bartlett Springs road 2.5 mi w Leesville (1.8 mi w of junction with Bear Valley Rd, w-facing slope)
530
Comment
UCR37892
Galium andrewsii subsp. andrewsii
C. G. Phillips, L. Cole, S. A. Haultain, K. B. Barrows
1984-4-28
18
Lake
Walker Ridge. Indian Valley Access Road, 1.1 mi. north of Blue Oak Campground, Wilbur Springs 15' Q.
854
Comment
UCSC010370
Galium andrewsii subsp. andrewsii
Dylan M. Neubauer, Tim Forsell
2016-3-30
594
Colusa
(NCoRI) Walker Ridge, Bartlett Springs Road, 1.22 air-miles sse Baldy Mountain
899
Comment
HSC66690
Galium aparine
Debbie Stamp, Joanne Spitler, Patty Powers, Cathy Railey, Cathy Macdonald
1980-4-19
1
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
POM367758
Galium aparine
D. Boyd, M. Eichelberger, T. Messick, T. Ranker
1980-4-19
8
Lake
Coldsprings Campgrond, along access road to Indian Valley Dam.
Comment
UCD82724
Galium aparine
Craig Thomsen; G. Harrington
2009-5-14
2907
Colusa
Colusa County on Walker Ridge: south of spur road about 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
UCD82120
Galium parisiense
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5648
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
UCD82466
Galium parisiense
Craig Thomsen; G. Harrington
2009-5-12
2843
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
UCD82478
Galium parisiense
Craig Thomsen; G. Harrington
2009-5-12
2856
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
HSC27162
Galium porrigens var. porrigens
J. P. Smith, J. O. Sawyer
1972-4-1
5155
Lake
6.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd.
Comment
CDA21537
Garrya congdonii
G. F. Hrusa, R. Gross
2008-5-23
17433
Lake
North Coast Ranges; Above N. Fk. Cache Cr. +/- 1 mi. below spillway of Indian Valley Reservoir.
426
Comment
CDA32763
Garrya congdonii
G. F. Hrusa, R. Gross, S. Smallwood
2010-12-4
18276
Lake
North Coast Ranges; East side of North Fk. Cache Creek below Indian Valley Reservoir.
379
Comment
CHSC98703
Garrya congdonii
L. P. Janeway
2007-6-17
9055
Lake
Inner North Coast Ranges. Along dirt road 0.3 km northwest of Bartlett Springs Road and Indian Valley Reservoir; about 5.6 air km east of Hough Springs.
500
Comment
HSC27150
Garrya congdonii
J. P. Smith, J. O. Sawyer
1972-4-1
5165
Lake
6.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd.
Comment
JEPS11967
Garrya congdonii
Rimo Bacigalupi with G. T. Robbins
1954-6-25
4623
Colusa
on road from Indian Valley (Lake County) to Bear Valley (Colusa County) (0.5 mi e of summit (Lake - Colusa County line))
548
Comment
UC1043520
Garrya congdonii
P. C. Everett and E. K. Balls
1954-10-18
20361
Lake
5 mi se Hough Springs (to Williams)
518
Comment
UCD163842
Garrya congdonii
Craig D. Thomsen
2000-6-1
s.n.
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
CAS-BOT-BC178549
Garrya flavescens
A. Burgard; J. Goldsmith; J. Kalt
1996-3-30
17
Colusa
Walker Ridge Rd. 4.1 mi. north of intersection with Indian Reservoir Rd. 57 mi. east of Hwy. 101 on Hwy. 20.
938
Comment
OBI14152
Garrya veatchii
Rimo Bacigalupi, G. T. Robbins
1954-6-25
4623
Colusa
1/2 mi E of summit (Lake-Colusa County line) on rd from Indian Valley (Lake County) to Bear Valley (Colusa County)
549
Comment
UCD82084
Gayophytum humile
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5611
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
UCD82816
Geranium dissectum
Craig Thomsen; G. Harrington
2009-5-12
2890
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
CDA22922
Geranium molle
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17087
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
CHSC101224
Geranium molle
G. F. Hrusa; R. Gross, L. Houser
2008-4-11
17087
Lake
Open chaparral slopes with woodland on N faces immediately below Indian Valley Reservoir spillway into North Fork Cache Creek tailrace.
396
Comment
UCD82541
Gilia capitata
Ellen Dean; G. Harrington, C. Thomsen,R. Wilmarth,Chiao-Yi Cheng
2009-5-20
5697
Colusa
Walker Ridge. Til Jones Spring area along Walker Ridge Road.
833
Comment
JEPS94681
Gilia sinistra subsp. pinnatisecta
Vernon H. Oswald and Lowell Ahart
1998-7-15
9281
Lake
near Barrel Spring (e side of mt., w of Walker Ridge Rd. 0.8 mi s of Bartlett Springs Rd., e side of county); Baldy Mtn.
640
Comment
JEPS94741
Gilia sinistra subsp. pinnatisecta
Vernon H. Oswald and Lowell Ahart
1998-7-15
9281
Lake
0.8 mi s of Bartlett Springs Road (e side of County near Barrel Spring on e side of Baldy Mountain and w of Walker Ridge Road); Baldy Mountain
640
Comment
HSC66014
Gilia tricolor
Teri Bartowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
9
Lake
Coldsprings Campground along access rd. to Indian Valley Dam
Comment
HSC66051
Gilia tricolor
C. McDonald, P. Powers, C. Raley, D. Stamp, J. Spitler
1980-4-19
32
Lake
Along Walker Ridge Rd. 0.5 mi. N of junction with access road to Indian Valley Dam
Comment
HSC66059
Gilia tricolor
Cathie Goldberg, Lynn Kunstman, Lauren Philbrick, Geoff Walsh
1980-4-19
40
Lake
Along Walker Ridge Rd., 1 mi. N of its junction with access road to Indian Valley Dam
Comment
HSC66136
Gilia tricolor
S. Harris, B. Ferguson, M. Moble, M. Smith
1980-4-19
Colusa
Bartlett Springs Rd.
Comment
HSC85785
Gilia tricolor
Bruce Delgado, Tim Tilghman, Rob Marheine
1987-4-10
Lake
8 mi. N of Hwy. 20 on Walker Ridge Rd., Blue Oak Campground
Comment
RSA469705
Gilia tricolor
Michelle Stevens
1979-4-14
18
Colusa
Buck Flat on Walker Ridge Road.
884
Comment
UCD82484
Gilia tricolor
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5671
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
869
Comment
UCD81880
Grindelia camporum
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5760
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
JEPS113894
Grindelia hirsutula
L. P. Janeway
2007-6-17
9058
Colusa
Inner North Coast Ranges; Along Bartlett Springs Road between Bear Valley and Walker Ridge Road.
530
Comment
UCD82539
Grindelia hirsutula
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5692
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
817
Comment
CHSC97317
Grindelia hirsutula var. davyi
L. P. Janeway
2007-6-17
9058
Colusa
Inner North Coast Ranges. Along Bartlett Springs Road between Bear Valley and Walker Ridge Road.
530
Comment
CAS-BOT-BC230059
Harmonia hallii
Ellen Dean; G. Harrington; K. Mawdsley; J. Shepard
2010-5-1
5966
Colusa
Walker Ridge on border of Lake and Colusa Counties. Along Walker Ridge Rd., just E of Barrel Springs area
721
Comment
CAS-BOT-BC302201
Harmonia hallii
G. L. Stebbins
1971-6-6
8013
Colusa
South end of Walker Ridge, near Clyde Mine
914
Comment
CHSC70967
Harmonia hallii
Vernon Oswald; Lowell Ahart
1998-5-7
9012
Colusa
Bartlett Springs Rd. 2.8 mi west of Bear Valley Rd., 0.1 mi east of Sawtelle Valley and Grapevine Flat roads. On roadside banks.
633
Comment
JEPS117118
Harmonia hallii
Peter Warner
2010-5-16
155
Colusa
Walker Ridge Rd., ~ 8.3 km N of jct. with Hwy. 20; ~ 1 km N of jct. w/ Indian Valley Reservoir Rd., at road-cut, both sides and adjacent slopes
Comment
JEPS123183
Harmonia hallii
David Gowen
2009-5-6
1020
Lake
Above Walker Ridge Road near summit of peak south of Baldy Mountain
Comment
JEPS94706
Harmonia hallii
Vernon Oswald and Lowell Ahart
1998-5-7
9012
Colusa
Bartlett Springs Road 2.8 mi w of Bear Valley Road (0.1 mi e of Sawtelle Vallyy and Grapevine Flat Roads); Bartlett Springs Road
633
Comment
JEPS94768
Harmonia hallii
Vernon Oswald and Lowell Ahart
1998-5-7
9012
Colusa
Bartlett Springs Road 2.8 mi w of Bear Valley Road (0.1 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road
633
Comment
JEPS96685
Harmonia hallii
Dean W. Taylor
1998-6-23
16703
Colusa
Walker Ridge, along BLM access road
929
Comment
UC1731328
Harmonia hallii
Dean W. Taylor
1998-6-23
16703
Colusa
Walker Ridge North Coast Ranges (along access road)
929
Comment
UCD135766
Harmonia hallii
Bruce G. Baldwin
1986-4-13
599
Colusa
2.6 miles west of junction with Bear Valley Road along Bartlett Springs Road.
Comment
UCD159338
Harmonia hallii
D. S. Park; E. Dean
2010-6-5
122
Colusa
Walker ridge, Cold Spring Mt. Abundant by road.
692
Comment
UCD163348
Harmonia hallii
Craig D. Thomsen
2000-5-11
2341
Lake
Walker Ridge. 3 miles southwest of Windtun Campground turnoff, Til Jones Spring area.
Comment
UCD82590
Harmonia hallii
Craig D. Thomsen; J. Wiegand, S. Harrison, G. Harrington, A. Fulks
2008-4-22
2735
Colusa
Walker Ridge. About 3.2 mi N of Hwy 20, adjacent to abandoned road leading back to Walker Ridge Rd. from 'Oak Cove.
822
Comment
UCD83819
Harmonia hallii
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5966
Colusa
Walker Ridge on border of Lake and Colusa Counties. Along Walker Ridge Rd., just E of Barrel Springs area.
721
Comment
UCD81863
Hastingsia alba
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5746
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
UCR257980
Hastingsia alba
Ellen Dean, Kate F. Mawdsley, Gordon Harrington, R. Wilmarth, Barry Rice, E. Salvia
2009-5-27
5746
Lake
North Coast Range, Walker Ridge, picnic area near Cold Spring
913
Comment
UCD82440
Helenium
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5665 a
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
869
Comment
UCD83665
Helenium
Craig Thomsen; G. Harrington
2009-5-12
2859 b
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
CHSC106249
Helenium bigelovii
B. Castro; L. P. Janeway
2001-6-3
1258
Colusa
Inner North Coast Ranges. Spring at Grapevine flat, on top of Walker Ridge about 0.5 mi E of Baldy Mountain. East-facing slope/bench with large springy/meadowy area.
882
Comment
SD8842
Helenium bigelovii
unknown
1882-6-13
Lake
Indian Valley
Comment Read comments Dec 14 2014
UCD81866
Helenium bigelovii
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5749
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
JEPS93792
Helianthus bolanderi
Vernon H. Oswald and Lowell Ahart
1998-7-15
9287
Lake
0.8 mi s of Bartlett Springs Road (e side of county near Barrel Spring on e side of Baldy Mountain and w of Walker Ridge Road); Baldy Mountain
640
Comment
UC924977
Helianthus bolanderi
Annetta Carter
1951-8-26
3079
Colusa
Southwest of Leesville (hills at the w side of Bear Valley); North Coast Ranges, Bear Valley
450
Comment
CHSC71417
Helianthus exilis
Vernon H. Oswald; Lowell Ahart
1998-7-15
9287
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
UCD132785
Helianthus exilis
Vernon H. Oswald; Lowell Ahart
1998-7-15
9287
Lake
east side of county near Barrel Spring on the east side of Baldy Mountain and west of Walker Ridge Road 0.8 mile south of Bartlett Springs Road.
640
Comment
UCD82509
Hemizonia
Craig Thomsen; G. Harrington
2009-5-12
2867 b
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
UC195406
Hemizonia congesta subsp. clevelandii
A. A. Heller
1916-6-6
12358
Colusa
3 mi w Leesville (on the grade); Coast Range
Comment
UCD159329
Hemizonia congesta subsp. luzulifolia
D. S. Park
2010-6-5
113
Colusa
Colusa County.: Walker ridge, Cold Spring Mt. roadside, grassland.
781
Comment
UCD82492
Hemizonia congesta subsp. luzulifolia
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5680
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
843
Comment
HSC27283
Hesperocyparis macnabiana
J. P. Smith, J. O. Sawyer
1972-4-1
5170
Lake
7.2 mi. N of junction of Hwy. 20 and and Walker Ridge Rd.
Comment
HSC44446
Hesperocyparis macnabiana
R. York
1978-4-23
150
Lake
Barrel Springs Campground.
701
Comment
HSC66055
Hesperocyparis macnabiana
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
40
Lake
Along Walker Ridge Rd., 1 mi. N of junction with access to Indian Valley Dam
Comment
HSC69912
Hesperocyparis macnabiana
Thomas W. Nelson, Jane P. Nelson
1978-4-2
3875
Lake
Along Walker Ridge Rd., 6 mi. N of junction with Hwy. 20
Comment
SBBG118074
Hesperocyparis macnabiana
C. Bornstein, E. Collins, R. Lutsko
2004-6-18
Lake
Walker Ridge Rd, ca. 0.75 mi S of jct with Bartlett Springs Rd
745
Comment
UCD81735
Hesperocyparis macnabiana
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5737
Colusa
Walker Ridge. Along Walker Ridge Road. Lookout area with fence and view of Indian Valley Reservoir. North of turnoff to Indian Valley Reservoir and S of turnoff to picnic area. W side of road.
1061
Comment
UCSC010368
Hesperocyparis macnabiana
Dylan M. Neubauer, Tim Forsell
2016-3-30
592
Colusa
(NCoRI) Walker Ridge, Bartlett Springs Road, 1.22 air-miles sse Baldy Mountain
899
Comment
UCD82529
Hesperolinon
Craig Thomsen; G. Harrington
2009-5-12
2885
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. East-facing hillslope above (west border) Eaton Springs meadow complex.
710
Comment
UCD82619
Hesperolinon
Craig Thomsen; G. Harrington
2009-5-12
2887 b
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
CHSC48598
Hesperolinon californicum
Vernon Oswald
1986-5-12
2010
Colusa
Brim Rd. (Bartlett Springs Rd.) 2.1 mi w of Bear Valley Rd. Common in a grassy opening on a serpentine slope.
487
Comment
CHSC71435
Hesperolinon californicum
Vernon H. Oswald; Lowell Ahart
1998-7-15
9269
Colusa
Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd.
487
Comment
JEPS122888
Hesperolinon californicum
Adam C. Schneider with Will Freyman and Yuri P. Springer
2014-5-20
642
Colusa
Along north side of Brim Rd east of Indian Valley Reservoir, near Colusa/Lake Co line.
Comment
UC1212442
Hesperolinon californicum
Herbert L. Mason
1946-5-31
12815
Colusa
1 mi e Lake County line (Bartlett Springs to Williams road, western Colusa County); Inner North Coast Ranges
Comment
UC867722
Hesperolinon californicum
A. A. Heller
1916-6-6
12352
Colusa
on the grade about 3 mi w Leesville; Coast Range
Comment
CDA21516
Hesperolinon disjunctum
G. F. Hrusa, R. Gross
2008-5-23
17449
Lake
North Coast Ranges; Above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir.
423
Comment
CHSC106245
Hesperolinon disjunctum
B. Castro; L. P. Janeway
2001-6-3
1258 A
Colusa
Inner North Coast Ranges. Spring at Grapevine flat, on top of Walker Ridge about 0.5 mi E of Baldy Mountain. East-facing slope/bench with large springy/meadowy area. At upper edges of meadow.
883
Comment
CHSC32920
Hesperolinon disjunctum
James P. Smith; John Sawyer
1971-6-6
4732
Lake
0.75 mi. north of Clyde Mine; Walker Ridge Road.
Comment
CHSC71436
Hesperolinon disjunctum
Vernon H. Oswald; Lowell Ahart
1998-7-15
9278
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
CHSC84246
Hesperolinon disjunctum
Lowell Ahart
2003-7-14
10408
Lake
Along a stream, on the west side of the second causeway going southwest on Bartlett Springs Road, Indian Valley Reservoir.
449
Comment
CHSC88554
Hesperolinon disjunctum
L. P. Janeway
2001-6-6
7128
Colusa
Inner North Coast Ranges. Deadshot Spring; about 1.9 km (air) east of Walker Ridge Road.
716
Comment
HSC68102
Hesperolinon disjunctum
J. P. Smith, J. O. Sawyer
1971-6-6
4732
Lake
0.75 mi. N of Clyde Mine, Walker Ridge Rd.
Comment
JEPS11966
Hesperolinon disjunctum
Rimo Bacigalupi with G. T. Robbins
1954-6-25
4622
Colusa
0.1 mi e Lake County line (e of summit of road from Bear Valley to Indian Valley)
640
Comment
JEPS32320
Hesperolinon disjunctum
W. L. Jepson
1920-5-23
8996
Lake
Indian Valley Indian Valley (ne Lake County)
Comment
JEPS94682
Hesperolinon disjunctum
Vernon H. Oswald and Lowell Ahart
1998-7-15
9278
Lake
e side of mt. 0.8 mi s Bartlett Springs Rd. (near Barrel Spring, w of Walker Ridge Rd., e side of county); Baldy Mtn.
640
Comment
JEPS94740
Hesperolinon disjunctum
Vernon H. Oswald and Lowell Ahart
1998-7-15
9278
Lake
e side of county near Barrel Spring (on the e side of Baldy Mountain and w of Walker Ridge Road 0.8 mi s of Bartlett Springs Road); Baldy Mountain
640
Comment
RSA42331
Hesperolinon disjunctum
Lincoln Constance, R. H. Shan
1946-6-2
3073
Lake
Bartlett Springs Road, 4.5 miles southwest of Leesville.
549
Comment
RSA700361
Hesperolinon disjunctum
L. P. Janeway
2001-6-6
7128
Colusa
Deadshot Spring, about 1.9 km (air) east of Walker Ridge Road.
716
Comment
UC1212476
Hesperolinon disjunctum
Helen K. Sharsmith
1952-6-21
4157
Lake
Bartlett Springs-Leesville road at boundary of Lake and Colusa Counties; Inner North Coast Ranges
663
Comment
UC1212512
Hesperolinon disjunctum
Herbert L. Mason
1946-5-31
12813
Colusa
one mi e Lake County line (Bartlett Springs to Williams road); Inner North Coast Ranges
609
Comment
UC735121
Hesperolinon disjunctum
Lincoln Constance and Ren Hwa Shan
1946-6-2
3073
Lake
Bartlett Springs road 4.5 mi sw Leesville
548
Comment
UCD82089
Hesperolinon disjunctum
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5616
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
UCD82139
Hesperolinon disjunctum
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5679
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
843
Comment
UCD84549
Hesperolinon disjunctum
Ellen Dean; C. Thomsen, T. Hansen, and windfarm meeting
2010-6-11
6147
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here.
817
Comment
CAS-BOT-BC167455
Hesperolinon drymarioides
1884-7-1
s.n.
Lake
Epperson's Road
Comment
JEPS123215
Hesperolinon drymarioides
David Gowen with Dick O'Donnell
2010-7-2
1139
Lake
Large scraped area along Walker Ridge Road.
Comment
UCD110423
Hesperolinon drymarioides
Daniel Slakey; CNPS volunteers
2011-6-11
8
Lake
Walker Ridge. About 9 km N of Hwy. 20 on Walker Ridge Rd. Near small road heading west from Walker Ridge Rd.
807
Comment
UCD81732
Hesperolinon drymarioides
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5734
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
864
Comment
UCD82110
Hesperolinon drymarioides
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5638
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
818
Comment
POM298647
Hesperolinon micranthum
Lincoln Constance, R. H. Shan
1946-6-2
s.n.
Lake
Bartlett Springs Road, 4.5 miles southwest of Leesville.
549
Comment
UCD83448
Hesperolinon micranthum
Craig Thomsen; G. Harrington
2009-5-14
2888
Colusa
Colusa County on Walker Ridge: Eaton Springs, about 1 mile east of Walker Ridge Road.
710
Comment
UCD84523
Heterocodon rariflorum
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6074
Lake
Lake County. Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection.
647
Comment
UCD84526
Heterocodon rariflorum
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6077
Lake
Lake County. Walker Ridge. Along Walker Ridge Road. Barrel Spring.
701
Comment
HSC87080
Heteromeles arbutifolia
Anthony J. Desch, Bryon Cariss
1988-4-16
35
Colusa
2 mi. W on Brim Rd. from corner of Brim Rd. and Bear Valley Rd.
518
Comment
UC2042506
Heteromeles arbutifolia
Holly Forbes and Barbara Keller
2011-7-7
Colusa
Walker Ridge Rd, 6.1 miles N from its intersection with Hwy 20
Comment
UCD83759
Heteromeles arbutifolia
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5955
Colusa
Colusa County. Walker Ridge. Along Walker Ridge Road, Buck Flat.
875
Comment
A345013
Holodiscus discolor
A. A. Heller
1916-6-6
12362
Unknown
Coast Range on the grade about 3 miles west of Leesville
Comment
RSA28813
Holodiscus discolor
A. A. Heller
1916-6-6
12362
Colusa
Coast Range on the grade 3 miles W of Leesville.
Comment
CAS-BOT-BC152577
Holodiscus discolor var. discolor
A. A. Heller
1916-6-6
12362
Colusa
Coast Range on the grade about 3 miels west of Leesville
Comment
CAS-BOT-BC152578
Holodiscus discolor var. discolor
A. A. Heller
1916-6-6
12362
Colusa
Coast Range on the grade about 3 miels west of Leesville
Comment
UCD164138
Hordeum brachyantherum
Craig Thomsen
1997-4-20
1927
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
UCD82472
Hordeum brachyantherum
Craig Thomsen; G. Harrington
2009-5-12
2848
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
CHSC106241
Hordeum brachyantherum subsp. californicum
B. Castro; L. P. Janeway
2001-6-3
1260
Colusa
Inner North Coast Ranges. 'Til Jones Spring' at headwaters of Freshwater Branch of E. Fork Sulphur Ck, 0.6 mi E of top of Walker Ridge. Ca 3 air mi W of S end of Bear Valley, and 1.75 air mi SSE of Cold Spring Mtn. Just downslope from Walker Ridge Rd., in opening in surrounding serpentine chaparral.
822
Comment
JEPS118603
Hordeum brachyantherum subsp. californicum
B. Castro, L. P. Janeway
2001-6-3
1260
Colusa
Inner North Coast Ranges. Til Jones Spring at headwaters of Freshwater Branch of E. Fork Sulphur Creek, 0.6 mi E of top of Walker Ridge. Ca 3 air mi W of S end of Bear Valley, and 1.75 air mi SSE of Cold Spring Mtn. Wilbur Springs 7.5' quad.
Comment
JEPS475
Hordeum brachyantherum subsp. californicum
W. L. Jepson
1938-6-9
18956
Colusa
w slope of mountains between Indian Valley, Lake County and Bear Valley, Colusa County; Indian Valley, Bear Valley
579
Comment
UCR50005
Hordeum brachyantherum subsp. californicum
L. F. LaPre, K. Campbell
1987-6-29
s.n.
Lake
Inner North Coast Ranges, Barrel Spring Camp, NE of Clear Lake at Colusa Co. line, on Walker Ridge Rd
Comment
CHSC71448
Horkelia californica subsp. dissita
Vernon H. Oswald; Lowell Ahart
1998-7-15
9270
Colusa
Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. In a meadow.
487
Comment
CHSC84229
Horkelia californica subsp. dissita
Lowell Ahart
2003-7-14
10398
Lake
Near a small stream, at Barrel Spring, about 1 1/2 miles (air) south of Bartlett Springs Road, about 2 miles (air) west of Bear Valley.
396
Comment
CHSC88588
Horkelia californica subsp. dissita
L. P. Janeway; B. Castro
2001-6-3
7100
Colusa
Inner North Coast Ranges. Spring at Grapevine Flat, on top of Walker Ridge about 0.8 km east of Baldy Mountain. Meadow.
884
Comment
RSA700357
Horkelia californica subsp. dissita
L. P. Janeway, B. Castro
2001-6-3
7100
Colusa
Inner N Coast Ranges, Spring at Grapevine Flat, on top of Walker Ridge 0.8km E of Baldy Mtn.
Comment
SD8451
Horkelia californica var. elata
none given
1882-7-1
Lake
Indian Valley
Comment
UCD81872
Horkelia californica var. elata
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5753
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
UCD82589
Horkelia californica var. elata
Craig D. Thomsen; J. Wiegand, S. Harrison, G. Harrington, A. Fulks
2008-4-22
2734
Colusa
Walker Ridge. About 3.2 mi N of Hwy 20, adjacent to abandoned road leading back to Walker Ridge Rd. from 'Oak Cove.
822
Comment
RSA466277B
Horkelia elata
L. F. LaPre, K. Campbell
1987-6-29
s.n.
Lake
Barrel Springs Camp, NE of Clear Lake at Colusa Co. line, on Walker Pass Road
Comment
UCR50156
Horkelia elata
L. F. LaPre, K. Campbell
1987-6-29
s.n.
Lake
Inner North Coast Ranges, Barrel Spring Camp, NE of Clear Lake at Colusa Co. line, on Walker Ridge Rd
Comment
UCD82460
Hypochaeris glabra
Craig Thomsen; G. Harrington
2009-5-12
2838
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
CHSC115328
Iris macrosiphon
Lowell Ahart
2015-4-10
20016
Lake
On the north side of Brim Road, about 3 miles west of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
645
Comment
CHSC71008
Iris macrosiphon
Vernon Oswald; Lowell Ahart
1998-5-7
9008
Colusa
Bartlett Springs Rd. 2.2 mi west of Bear Valley Rd., 0.7 mi east of Sawtelle Valley and Grapevine Flat roads.
524
Comment
HSC66068
Iris macrosiphon
Cathie Goldberg, Lynn Kunstman, Lauren Philbrick, Geoff Walsh
1980-4-19
38
Lake
Along Walker Ridge Rd., 0.5 mi. N of junction with access road to Indian Valley Dam
Comment
JEPS124252
Iris macrosiphon
Lowell Ahart
2015-4-10
20016
Lake
About 3 miles west of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
JEPS94211
Iris macrosiphon
Vernon Oswald and Lowell Ahart
1998-5-7
9008
Colusa
Bartlett Springs Road 2.2 mi w of Bear Valley Road (0.7 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road
524
Comment
RSA298331
Iris macrosiphon
C. Mcdonald, P. Powers, C. Raley, D. Stamp, J. Spitler
1980-4-19
31
Lake
Along Walker Ridge Road, 0.5 miles north of junction with access road to Indian Valley Dam
Comment
SEINET3875317
Iris macrosiphon
Thomas E. Higley
1974-5-4
066
Colusa
3/4 miles north of T junction of Indian Valley.; 0
853
Comment
UCD138770
Iris macrosiphon
Teri Bartowski; Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
27
Lake
along Walker Ridge Road, 0.5 mile north of junction with access road to Indian Valley Dam.
Comment
UCD82523
Iris macrosiphon
Craig Thomsen; G. Harrington
2009-5-12
2880
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. East- facing hillslope above (west border) Eaton Springs meadow complex.
722
Comment
UCR37891
Iris macrosiphon
K. B. Barrows, C. G. Phillips, L. Cole, S. A. Haultain
1984-4-28
17
Lake
Walker Ridge, Indian Valley Access Road, 1.1 mi north of Blue Oak Campground.
854
Comment
UCD81860
Juglans californica
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5744
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
CHSC78210
Juncus balticus subsp. ater
Lowell Ahart
2000-6-2
8435
Lake
Bottom of a small wash, about 100 feet northeast of Bartlett Springs road, about 400 yards southwest of the radio tower, about 1/4 mile west of Bartlett Springs Road and Walker Ridge Road, about 2 1/2 miles west of Bear Valley.
609
Comment
JEPS98432
Juncus balticus subsp. ater
Lowell Ahart
2000-6-2
8435
Lake
2 1/2 mi W of Bear Valley (bottom of a small wash, 100 ft NE of Bartlett Springs Rd, 400 yds SW of radio tower, 1/4 mi W of Bartlett Springs Rd and Walker Ridge Rd)
609
Comment
CHSC114999
Juncus bufonius var. bufonius
Lowell Ahart
2015-3-28
20105
Lake
About 80 yards north of the south edge of the meadow, Barrel Spring Meadow,about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
696
Comment
CHSC78211
Juncus bufonius var. bufonius
Lowell Ahart
2000-6-2
8434
Lake
Bottom of a small wash, about 100 feet northeast of Bartlett Springs road, about 400 yards southwest of the radio tower, about 1/4 mile west of Bartlett Springs Road and Walker Ridge Road, about 2 1/2 miles west of Bear Valley.
609
Comment
JEPS123897
Juncus bufonius var. bufonius
Lowell Ahart
2015-4-28
20105
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
JEPS98457
Juncus bufonius var. bufonius
Lowell Ahart
2000-6-2
8434
Lake
2 1/2 mi W of Bear Valley (about 100 ft NE of Bartlett Springs road, 400 yds SW of the radio tower, 1/4 mi W of Bartlett Springs Road and Walker Ridge Road)
609
Comment
CHSC71509
Juncus bufonius var. congestus
Vernon H. Oswald; Lowell Ahart
1998-7-15
9305
Colusa
West side of county on Walker Ridge Rd. 8.2 mi south of Bartlett Springs Rd., 6.3 mi north of Hwy. 20. In meadow.
792
Comment
JEPS93871
Juncus bufonius var. congestus
Vernon H. Oswald and Lowell Ahart
1998-7-15
9305
Colusa
w side of county on Walker Ridge Road 8.2 mi s of Bartlett Springs Road (6.3 mi n of Highway 20); Walker Ridge Road
792
Comment
CHSC78213
Juncus oxymeris
Lowell Ahart
2000-6-2
8436
Lake
Bottom of a small wash, about 100 feet northeast of Bartlett Springs road, about 400 yards southwest of the radio tower, about 1/4 mile west of Bartlett Springs Road and Walker Ridge Road, about 2 1/2 miles west of Bear Valley.
609
Comment
CHSC84188
Juncus oxymeris
Lowell Ahart
2003-7-14
10394
Lake
Near a small stream, at Barrel Spring, about 1 1/2 miles (air) south of Bartlett Springs Road, about 2 miles (air) west of Bear Valley.
396
Comment
JEPS104081
Juncus oxymeris
Lowell Ahart
2003-7-14
10394
Lake
Near a small stream, at Barrel Spring, ca 1 1/2 mi (air) south of Bartlett Springs Rd, ca 2 mi (air) w of Bear Valley.
396
Comment
JEPS98302
Juncus oxymeris
Lowell Ahart
2000-6-2
8436
Lake
2 1/2 mi W of Bear Valley (bottom of a small wash, 100 ft NE of Bartlett Springs Rd, 400 yds SW of radio tower, 1/4 mi W of Bartlett Springs Rd and Walker Ridge Rd)
609
Comment
UCD81870
Juncus oxymeris
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5751
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
UCD82125
Juncus patens
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5654
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
UCD82439
Juncus patens
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5665
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
869
Comment
HSC66584
Juniperus californica
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
12
Lake
Coldsprings Campground along access road to Indian Valley Dam
Comment
UCD163315
Juniperus californica
Craig D. Thomsen
1997-4-13
1904
Colusa
Bear Valley. About 6 miles north of Hwy 20. Vicinity of Trout Creek, north of Deadshot Canyon.
Comment
HSC101454
Juniperus occidentalis var. australis
A. Hove, A. Poteet, C. Sanville
1999-3-27
4
Lake
Walker Ridge Road, Blue Oak Recreation Area
537
Comment Read comments Jul 25 2018
JEPS10931
Keckiella breviflora var. glabrisepala
W. L. Jepson
1920-5-24
9026
Lake
hills e Indian Valley (ne Lake County)
Comment
UCD81877
Koeleria macrantha
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5757
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
UCD82476
Lactuca
Craig Thomsen; G. Harrington
2009-5-12
2854
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
CDA26537
Lagophylla minor
G. F. Hrusa, R. Gross
2008-5-23
17451
Lake
North Coast Ranges; Slope above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir.
423
Comment
CHSC101529
Lagophylla minor
G. F. Hrusa; R. Gross
2008-5-23
17451
Lake
NE-facing chaparral slope above North Fork Cache Creek +/- 1/2 mile below spillway of Indian Valley Reservoir.
423
Comment
CHSC70966
Lagophylla minor
Vernon Oswald; Lowell Ahart
1998-5-7
8998
Colusa
Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads.
524
Comment
HSC41909
Lagophylla minor
M. A. Baker
1977-4-24
215
Lake
Barrel Springs Campground.
701
Comment
HSC42247
Lagophylla minor
Rich White
1977-4-24
34
Lake
Barrel Springs Campground
701
Comment
HSC43364
Lagophylla minor
Carolyn Sanford
1977-4-24
349
Lake
Barrel Springs Campground.
701
Comment
HSC44623
Lagophylla minor
R. York
1978-4-23
149
Lake
Barrel Springs Campground.
701
Comment
HSC45523
Lagophylla minor
M. Alcasas
1978-4-23
55
Lake
Barrel Springs Campground
701
Comment
HSC45707
Lagophylla minor
Sheila Logan
1978-4-23
102
Lake
Barrel Springs Campground
701
Comment
HSC46060
Lagophylla minor
Catherine Chin
1978-4-23
45
Lake
Barrel Springs Campground.
701
Comment
HSC49852
Lagophylla minor
J. P. Smith
1978-4-23
9750
Lake
Barrel Springs Campgound
701
Comment
HSC90052
Lagophylla minor
Rohmer, Grefsrud, Reed
1990-4-15
53
Lake
Indian Valley Reservoir access road, 15 mi. NE of intersection with Walker Ridge Rd.
689
Comment
JEPS19941
Lagophylla minor
R. F. Hoover
1938-6-9
Lake
Indian Valley
Comment
JEPS19947
Lagophylla minor
W. L. Jepson
1920-5-23
8998
Lake
Indian Valley, n Lake Valley Indian Valley
Comment
JEPS94813
Lagophylla minor
Vernon Oswald and Lowell Ahart
1998-5-7
8998
Colusa
Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road
524
Comment
POM361459
Lagophylla minor
Barbara Kelly
1977-4-24
348
Lake
Barrel Springs Campground.
701
Comment
UC762548
Lagophylla minor
R. F. Hoover
1938-6-9
3575
Lake
Indian Valley
Comment
UCD82162
Lagophylla minor
Ellen Dean; G. Harrington, C. Thomsen,R. Wilmarth,Chiao-Yi Cheng
2009-5-20
5694
Colusa
Walker Ridge. Til Jones Spring area along Walker Ridge Road.
833
Comment
UCD82519
Lagophylla minor
Craig Thomsen; G. Harrington
2009-5-12
2876
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
713
Comment
UCR66480
Lagophylla minor
D. L. Goforth
1977-4-24
30
Lake
Barrel Springs Campground
701
Comment
HSC66139
Lagophylla ramosissima
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
6
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
JEPS94648
Lagophylla ramosissima
Vernon H. Oswald and Lowell Ahart
1998-7-15
9306
Lake
on Walker Ridge Rd. 9.8 mi s Bartlett Springs Rd. (4.6 mi n of Hwy 20, e side of county)
792
Comment
JEPS94777
Lagophylla ramosissima
Vernon H. Oswald and Lowell Ahart
1998-7-15
9306
Lake
on Walker Ridge Rd. 9.8 mi s Bartlett Springs Rd. (4.6 mi n of Hwy 20, e side of county)
792
Comment
SD8630
Lagophylla ramosissima
Daniel Cleveland
1882-7-1
Lake
Indian Valley
Comment
UCD159332
Lagophylla ramosissima
D. S. Park
2010-6-5
116
Colusa
Walker ridge, Cold Spring Mt. roadside and adjacent grassland.
760
Comment
CDA21515
Lamium amplexicaule
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17091
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
HSC66593
Lasthenia californica
S. Harris, B. Ferguson, S. Smith
1980-4-19
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
HSC67091
Lasthenia californica
Debbie Stamp, Joanne Spitler, Cathy Railey, Patty Powers, Cathy Macdonald
1980-4-19
5
Lake
Coldsprings Campground along access road to Indian Valley Dam
Comment
HSC60475
Lasthenia glabrata
J. P. Smith
1977-4-24
9041
Colusa
Along Walker Ridge Rd. above Barrel Springs Campground
701
Comment
HSC60476
Lasthenia glabrata
J. P. Smith
1977-4-24
9042
Lake
Barrel Springs Campground
701
Comment
HSC90414
Lasthenia glabrata
C. Wilson, P. Kittleson, M. Hardig
1992-4-11
41
Lake
Blue Oak Recreation Site, 6.5 mi. N of Hwy. 20 on Walker Ridge Rd.
488
Comment
JEPS74813
Lasthenia gracilis
L. R. Heckard, T. I. Chuang, and R. Bacigalupi
1975-5-7
4021
Colusa
just sw of site old Kowalski ranch ((below upper dam road), sw of Leesville); Upper Indian Valley
396
Comment
UCD82464
Lasthenia gracilis
Craig Thomsen; G. Harrington
2009-5-12
2841
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
UCR37890
Lasthenia gracilis
C. G. Phillips, L. Cole, S. A. Hautain, K. B. Barrows
1984-4-28
22
Lake
Walker Ridge, Indian Valley Access Road, 1.1 mi. north of Blue Oak Campground, Wilbur Springs 15' Q.
854
Comment
UCD81710
Lathyrus jepsonii var. californicus
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5716
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
UCD82127
Lathyrus jepsonii var. californicus
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5656
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
UCD84567
Lathyrus vestitus
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6092
Lake
Walker Ridge. Picnic Area near wetland/marsh.
899
Comment
HSC67099
Lathyrus vestitus subsp. vestitus
Teri Bartowski, Carol Zimmerer, Ruth Takaki, Shane Feusier
1980-4-19
38
Colusa
Bartlett Springs Rd. at stream crossing.
Comment
HSC95475
Lathyrus vestitus subsp. vestitus
A. Skelly, B. Bletcher, G. McCabe
1996-3-30
10
Colusa
1.6 mi. W of Bear Valley Rd. and Brim Rd. on Brim Rd., 14.7 mi. on Walker Ridge Rd. to Brim Rd., 57 mi. E of Hwy. 101 on Hwy. 20, Leesville
Comment
HSC95805
Lathyrus vestitus subsp. vestitus
A. Skelly, B. Bletcher, G. McCabe
1996-3-30
10
Colusa
1.6 mi. W of Bear Valley Rd. and Brim Rd. on Brim Rd., 14.7 mi. on Walker Ridge Rd. to Brim Rd., 57 mi. E of Hwy. 101 on Hwy. 20, Leesville
Comment
CHSC48511
Lathyrus vestitus var. vestitus
Vernon Oswald
1986-5-12
2009
Colusa
Brim Rd. (Bartlett Springs Rd.) 2.1 mi w of Bear Valley Rd.
487
Comment
CHSC33058
Layia septentrionalis
James P. Smith Jr.
1977-4-24
9040
Lake
Meadow at Barrel Springs Campground.
701
Comment
HSC60474
Layia septentrionalis
J. P. Smith
1977-4-24
9040
Lake
Barrel Springs Campground
701
Comment
HSC86908
Layia septentrionalis
Terry Hines, Ellen Purcell, N. Williams
1988-4-16
46
Lake
11.6 mi. off Hwy. 20 on Walker Ridge Rd.
1067
Comment
CHSC106232
Lepidium latifolium
B. Castro; L. P. Janeway
2001-6-3
1255
Colusa
Inner North Coast Ranges. Spring at Grapevine Flat, on top of Walker Ridge about 0.5 mi E of Baldy Mountain. Small strip of this species along old roadbed at head of the springs.
883
Comment
HSC48461
Lepidium latipes
J. P. Smith
1978-4-23
9754
Lake
Barrel Springs Campgound
701
Comment
CHSC114991
Lepidium latipes var. latipes
Lowell Ahart
2015-4-28
20106
Lake
Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road about 18 miles (air) west of Williams.
696
Comment
JEPS53702
Lepidium nitidum
W. L. Jepson
1920-5-23
8967
Colusa
2-3 mi sw Leesville (foot of Bartlett grade, w side of Bear Valley); Bear Valley, Bartlett Grade
426
Comment
HSC89701
Leptosiphon ciliatus
Eric German, Klara Varga, Michele Cardinaux
1989-4-15
26
Lake
Blue Oak Campground, 7.7 mi. N of Hwy. 20
152
Comment
CAS-BOT-BC226707
Leptosiphon latisectus
Brad Kerstetter; Roxanne Jackson; Jeff Cox
1995-5-6
027
Colusa
5.7 miles from Blue Oak Campground, North on Walker Ridge Road
853
Comment
HSC31586
Leptosiphon latisectus
Thomas E. Higley
1974-5-4
74
Lake
1/4 mi. S of Colds Springs Mtn.
1159
Comment
HSC41863
Leptosiphon latisectus
K. Irwin
1977-4-24
301
Colusa
Along Walker Ridge Rd. above Barrel Springs Campground
701
Comment
HSC45510
Leptosiphon latisectus
M. Alcasas
1978-4-23
57
Lake
Barrel Springs Campground.
701
Comment
HSC46065
Leptosiphon latisectus
Catherine Chin
1978-4-23
36
Lake
Barrel Springs Campground
701
Comment
HSC66047
Leptosiphon latisectus
Teri Bartowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
35
Lake
Along Walker Ridge Rd., 3.7 mi. N of junction with access road to Indian Valley Dam
Comment
HSC84492
Leptosiphon latisectus
Sandy Floyd, Tom Munton, T'ai Roulston
1987-4-11
87
Lake
Barrel Spring's Camp Rd., Barrel Springs Camp
Comment
HSC89712
Leptosiphon latisectus
Eric German, Klara Varga, Michele Cardinaux
1989-4-15
33
Lake
Lake/Colusa Co. line, 7 mi. S of Brim Rd. on Walker Ridge Rd.
915
Comment
JEPS123230
Leptosiphon latisectus
David Gowen
2010-6-14
1128
Colusa
Serpentine road bank along ridgetop of Walker Ridge Road
Comment
UCD118846
Leptosiphon latisectus
G. L. Stebbins
1983-5-15
s.n.
Lake
summit of Walker Ridge.
Comment
CHSC70992
Leptosiphon parviflorus
Vernon Oswald; Lowell Ahart
1998-5-7
9006 .1
Colusa
Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads.
524
Comment
HSC31712
Leptosiphon parviflorus
Teresa Prendusi
1974-5-4
62
Lake
1.5 mi. from jct. to Indian Valley on Walker Ridge
1098
Comment
HSC44443
Leptosiphon parviflorus
R. York
1978-4-23
146
Lake
Barrel Springs Campground.
701
Comment
UCD81858
Leptosiphon parviflorus
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5742
Colusa
Walker Ridge. Along Walker Ridge Road. Lookout area with fence and view of Indian Valley Reservoir. North of turnoff to Indian Valley Reservoir and S of turnoff to picnic area. W side of road.
1061
Comment
UCD82545
Leptosiphon parviflorus
Ellen Dean; G. Harrington, C. Thomsen,R. Wilmarth,Chiao-Yi Cheng
2009-5-20
5700
Colusa
Walker Ridge. Along Walker Ridge just S of turn-off to picnic area near Cold Spring.
1007
Comment
UCD84527
Leptosiphon parviflorus
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6078
Lake
Lake County. Walker Ridge. Along Walker Ridge Road. Barrel Spring.
701
Comment
UCD84634
Leptosiphon parviflorus
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6109
Lake
Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection. Meadow on south side of road.
647
Comment
UC1563897
Lessingia micradenia var. glabrata
Barbara Ertter with Elizabeth Neese, Laura Fujii, and Dawn Espindola
1989-10-21
8868
Colusa
Brim Road sw Leesville (to Indian Valley Reservoir)
609
Comment Read comments Feb 20 2012
SD132027
Lessingia nemaclada
Barbara Ertter, Neese,Fujii,Espindola
1989-10-21
8868
Colusa
Brim Road, southwest of Leesville to Indian Valley Reservoir
609
Comment
CHSC88557
Lessingia ramulosa
L. P. Janeway
2001-6-6
7126
Colusa
Inner North Coast Ranges. Deadshot Spring; about 1.9 km (air) east of Walker Ridge Road.
716
Comment
HSC25616
Lessingia ramulosa
J. P. Smith, J. O. Sawyer
1971-6-6
4727
Lake
0.75 mi. N of Clyde Mine, Walker Ridge Rd.
Comment
JEPS119395
Lessingia ramulosa
J. Greenhouse with H. Bartosh, J. Game. A. Larsen
2012-6-3
5146
Lake
Walker Ridge, Bartlett Springs Rd.
Comment
JEPS11965
Lessingia ramulosa
Rimo Bacigalupi with G. T. Robbins
1954-6-25
4621
Colusa
0.1 mi e Lake County line (e of summit of road from Bear Valley to Indian Valley)
640
Comment
JEPS85618
Lessingia ramulosa
Rimo Bacigalupi with G. T. Robbins
1954-6-25
4621
Colusa
0.1 mi e Lake County line (e of summit of road from Bear Valley to Indian Valley)
640
Comment
JEPS94654
Lessingia ramulosa
Vernon H. Oswald and Lowell Ahart
1998-7-15
9276
Colusa
on Sawtelle Valley Rd. 0.4 mi n Bartlett Springs Rd. (w side of county)
670
Comment
JEPS94888
Lessingia ramulosa
Vernon H. Oswald and Lowell Ahart
1998-7-15
9276
Colusa
w side of county on Sawtelle Valley Road 0.4 mi n of Bartlett Springs Road; Sawtelle Valley Road
670
Comment
RSA700360
Lessingia ramulosa
L. P. Janeway
2001-6-6
7126
Colusa
Deadshot Spring, about 1.9 km (air) east of Walker Ridge Road.
716
Comment
UC2014145
Lessingia ramulosa
Ellen Dean, C. Thomsen, T. Hansen, windfarm meeting
2010-6-11
6145
Colusa
Colusa County. Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here.
Comment
UCD84547
Lessingia ramulosa
Ellen Dean; C. Thomsen, T. Hansen, and windfarm meeting
2010-6-11
6145
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here.
817
Comment
UCD84559
Lessingia ramulosa
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6084
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Springs. Many old undeveloped roads here.
817
Comment
HSC27155
Lewisia rediviva
J. P. Smith, J. O. Sawyer
1972-4-1
5158
Lake
6.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd.
Comment
HSC31308
Lewisia rediviva
Carter Schleicher
1974-5-4
25
Colusa
0.75 mi. from T junction of Walker Ridge Rd. and Indian Valley, near Clyde Mine
854
Comment
HSC63081
Lewisia rediviva
David Wheeler
1979-4-14
62
Colusa
Buck Flat, Walker Ridge, on the way to Barrel Springs
884
Comment
HSC66061
Lewisia rediviva
Cathie Goldberg, Lynn Kunstman, Lauren Philbrick, Geoff Walsh
1980-4-19
46
Lake
Along Walker Ridge Rd., 1 mi. N of jct. with access road to Indian Valley Dam
Comment
UC1053469
Lewisia rediviva
Rimo Bacigalupi, Arthur Holmgren
1950-4-26
3189
Lake
between Bear Valley and Indian Valley (first summit on Bartlett Rd.); Colusa-Lake County line
Comment
UCD81857
Lewisia rediviva
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5741
Colusa
Walker Ridge. Along Walker Ridge Road. Lookout area with fence and view of Indian Valley Reservoir. North of turnoff to Indian Valley Reservoir and S of turnoff to picnic area. W side of road.
1061
Comment
UCR37939
Lewisia rediviva
Brian Kearney, Mike Malamus, P. Williams
1984-4-28
70
Lake
1.1 mi north of Blue Oak Campground on Indian Valley Access Rd.
854
Comment
UCD164136
Leymus triticoides
Craig Thomsen
1998-6-12
1940
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
UCD82495
Linanthus
Craig Thomsen; G. Harrington
2009-5-12
2845
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
JEPS58274
Linanthus bolanderi
M. S. Hazell
1937-5-23
Lake
Indian Valley, ne Lake County Indian Valley
Comment
JEPS58327
Linanthus ciliatus
M. S. Hazell
1937-5-23
Lake
Indian Valley, on e side of lake, ne Lake County Indian Valley
Comment
UCR37941
Linanthus ciliatus
Brian Kearney, Mike Malamus, P. Williams
1984-4-28
75
Lake
Blue Oak Campground on Indian Access Road
854
Comment
CDA11397
Linanthus parviflorus
G. F. Hrusa, K. van Katwyk
1995-4-22
12117
Lake
Inner North Coast Ranges; along summit of Bartlett Springs Road at intersection with Walker Ridge Rd.
Comment
JEPS74814
Linanthus parviflorus
L. R. Heckard, T. I. Chuang and R. Bacigalupi
1975-5-7
4022
Colusa
sw of Leesville (just sw of site of old Kowalski ranch (below upper dam road), Upper Indian Valley); Upper Indian Valley
396
Comment
JEPS94194
Linanthus parviflorus
Vernon Oswald and Lowell Ahart
1998-5-7
9006 .1
Colusa
Bartlett Springs Rd. 2.1 mi. w. of Bear Valley Rd. and 0.8 m,i. e. of Sawtelle Valley & Grapevine Flat rds.
524
Comment
UCD83812
Linanthus parviflorus
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5959
Colusa
Walker Ridge, along Walker Road, just N of main turnoff to Barrel Springs.
712
Comment
UCD83820
Linanthus parviflorus
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5967
Colusa
Walker Ridge on border of Lake and Colusa Counties, just E of Barrel Springs area along Walker Ridge Rd.
721
Comment
UCR138661
Linanthus parviflorus
B. Ellyson, J. Hooke, D. Newman
1996-3-30
10
Lake
Benmore Canyon. 1.4 mi west of Walker Ridge Road on Indian Reservoir Road; 57 mi east of Hwy 101 on Hwy 20
Comment
HSC66654
Lithophragma affine
Cathie Goldberg, Lauren Philbrick, Lynn Kunstman, Geoff Walsh
1980-4-19
6
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
HSC66594
Lithophragma heterophyllum
S. Harris, B. Ferguson, S. Smith
1980-4-19
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
UCD159333
Logfia filaginoides
D. S. Park
2010-6-5
117
Colusa
Walker ridge, Cold Spring Mt. roadside and adjacent grassland.
760
Comment
UCD82094
Logfia gallica
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5621
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
CDA24963
Lomatium californicum
G. F. Hrusa, R. Gross
2008-5-23
17420
Lake
North Coast Ranges; N-facing slope above N. Fk. Cache Cr. +/- 1 mi. below spillway of Indian Valley Reservoir.
408
Comment
CDA26551
Lomatium californicum
G. F. Hrusa, R. Gross
2008-5-23
17419
Lake
North Coast Ranges; N-facing slope above N. Fk. Cache Cr. +/- 1 mi. below spillway of Indian Valley Reservoir.
408
Comment
CHSC101227
Lomatium californicum
G. F. Hrusa; R. Gross
2008-5-23
17420
Lake
N-facing slope above North Fork Cache Creek +/- 1mile below spillway of Indian Valley Reservoir. Colony on steep open rocks on steep slope above tailrace.
408
Comment
UCD82548
Lomatium californicum
Ellen Dean; G. Harrington, C. Thomsen,R. Wilmarth,Chiao-Yi Cheng
2009-5-20
5703
Colusa
Walker Ridge. Along Walker Ridge just S of turn-off to picnic area near Cold Spring.
1007
Comment
CDA11395
Lomatium ciliolatum var. hooveri
G. F. Hrusa, K. van Katwyk
1995-4-22
12115
Lake
Inner North Coast Ranges; Bartlett Springs road at intersection with Walker Ridge Rd.
Comment
GH424346
Lomatium ciliolatum var. hooveri
L. Constance & R. H. Shan
1946-6-2
3076
Unknown
Bartlett Springs road 4.5 miles southwest of Leesville
548
Comment
HSC21552
Lomatium ciliolatum var. hooveri
Lincoln Constance, Ren Hwa Shan
1946-6-2
3076
Lake
Bartlett Springs Road, 4.5 miles southwest of Leesville
549
Comment
HSC25618
Lomatium ciliolatum var. hooveri
J. P. Smith, J. O. Sawyer
1971-6-6
4730
Lake
0.75 mi. N of Clyde Mine, Walker Ridge Rd.
Comment
HSC27159
Lomatium ciliolatum var. hooveri
J. P. Smith, J. O. Sawyer
1972-4-1
5156
Lake
6.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd.
Comment
HSC41910
Lomatium ciliolatum var. hooveri
M. A. Baker
1977-4-24
216
Lake
Barrel Springs Campground.
701
Comment
HSC44119
Lomatium ciliolatum var. hooveri
Barbara Kelly
1977-4-24
346
Lake
Barrel Springs Campground
701
Comment
HSC66065
Lomatium ciliolatum var. hooveri
Teri Bartowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
26
Lake
Along Walker Ridge Rd. .5 mi. N of jct. with access Rd. to Indian Valley Dam.
Comment
HSC67089
Lomatium ciliolatum var. hooveri
Cathie Goldberg, Lynn Kunstman, Lauren Philbrick, Geoff Walsh
1980-4-19
37
Lake
Along Walker Ridge Road, 0.5 mi. N of junction with access road to Indian Valley Dam
Comment
HSC69920
Lomatium ciliolatum var. hooveri
Thomas W. Nelson, Jane P. Nelson
1978-4-2
3867
Lake
Along Walker Ridge Rd., 6 mi. N of junction with Hwy. 20
Comment
UCR139083
Lomatium ciliolatum var. hooveri
A. Burgard, J. Goldsmith, J. Kalt
1996-3-30
23
Colusa
Brim Road 9.4 mi north of Walker Ridge Road. 57 mi east of Hwy 101 on Hwy 20
777
Comment
CDA22927
Lomatium dasycarpum subsp. dasycarpum
G. F. Hrusa, R. Gross
2008-5-23
17423
Lake
North Coast Ranges; N-facing slope above N. Fk. Cache Cr. +/- 1 mi. below spillway of Indian Valley Reservoir.
408
Comment
CDA24965
Lomatium dasycarpum subsp. dasycarpum
G. F. Hrusa, R. Gross
2008-5-23
17423 a
Lake
North Coast Ranges; N-facing slope above N. Fk. Cache Cr. +/- 1 mi. below spillway of Indian Valley Reservoir.
408
Comment
JEPS17140
Lomatium dasycarpum subsp. dasycarpum
W. L. Jepson
1920-5-23
8990
Lake
Indian Valley n.e. Lake Co., Indian Valley
Comment
CHSC42601
Lomatium hooveri
Vernon Oswald
1986-5-12
2013
Lake
Brim Rd. (Bartlett Springs Rd.) at the jct. of the road to Barrel Spring.
640
Comment
CHSC42602
Lomatium hooveri
Vernon Oswald
1986-5-12
2005
Colusa
Brim Rd. (Bartlett Springs Rd.) 1.5 mi w of Bear Valley Rd.
441
Comment
JEPS15381
Lomatium hooveri
Rimo Bacigalupi with G. L. Stebbins, Calvin McMillan and Peter Kamb
1950-4-16
3117
Lake
summit of grade from Bear Valley (Colusa Co.) to Indian Valley (Lake Co.); Inner N. Coast Ranges, Lake-Colusa Co. Line
663
Comment
LA202889
Lomatium hooveri
Lincoln Constance; Ren Hwa. Shan
1946-6-2
3076
Lake
Bartlett Springs road 4.5 mi. SW of Leesville
548
Comment
RSA396711
Lomatium hooveri
Michelle Stevens
1979-4-14
15
Colusa
Buck Flat on Walker Ridge Road
884
Comment
UC1049547
Lomatium hooveri
Rimo Bacigalupi
1950-4-16
3117
Colusa
Bartlett Mt. Road, base of grade just W of Bear Valley, near Colusa-Lake County line
426
Comment
UC735129
Lomatium hooveri
Lincoln Constance and Ren Hwa Shan
1946-6-2
3076
Lake
4.5 mi. s.w. Leesville (Barglett Springs rd.)
548
Comment
UCD162978
Lomatium hooveri
Jack Major
1963-5-4
s.n.
Colusa
West of Bear Valley on Bartlett Springs road. (Exact location unknown. Coordinates estimated by label maker.)
609
Comment
UCD163312
Lomatium hooveri
Craig D. Thomsen
1997-4-18
1901
Colusa
Bear Valley. About 6 miles north of Hwy 20. Vicinity of Trout Creek, north of Deadshot Canyon.
Comment
UCD74305
Lomatium hooveri
G. L. Stebbins
1971-6-6
s.n.
Lake
Walker Ridge, north of Clyde Mine.
914
Comment
UCSC010456
Lomatium hooveri
Dylan M. Neubauer, Tim Forsell
2016-3-31
601
Colusa
(NCoRI) Walker Ridge, Walker Ridge Road, 1.96 air-miles sse Cold Spring Mountain
820
Comment
CAS-BOT-BC230056
Lomatium macrocarpum
Ellen Dean; G. Harrington; C. Thomsen; Chiao-Yi Cheng; R. Wilmarth
2009-5-20
5683
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road
843
Comment
CDA11394
Lomatium macrocarpum
G. F. Hrusa, K. van Katwyk
1995-4-22
12114
Lake
Inner North Coast Ranges; along Bartlett Springs road approx. 1/2 m. W of intersection with Walker Ridge Rd.
Comment
CDA21518
Lomatium macrocarpum
G. F. Hrusa, R. Gross
2008-5-23
17448
Lake
North Coast Ranges; Above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir.
417
Comment
CDA21531
Lomatium macrocarpum
G. F. Hrusa, R. Gross
2008-5-23
17447
Lake
North Coast Ranges; N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir.
417
Comment
CHSC101236
Lomatium macrocarpum
G. F. Hrusa; R. Gross
2008-5-23
17447
Lake
NW facing chaparral slope above N. Fork Cache Creek +/- 1/2 mile below spillway of Indian Valley Reservoir.
417
Comment
HSC25613
Lomatium macrocarpum
J. P. Smith, J. O. Sawyer
1971-6-6
4725
Lake
0.75 mi. N of Clyde Mine, Walker Ridge Rd.
Comment
HSC45704
Lomatium macrocarpum
Sheila Logan
1978-4-23
107
Lake
Barrel Springs Campground
701
Comment
HSC67104
Lomatium macrocarpum
Teri Bartkowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
5
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
UCD82531
Lomatium macrocarpum
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5683
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
843
Comment
HSC66651
Lomatium utriculatum
Cathie Goldberg, Lauren Philbrick, Lynn Kunstman, Geoff Walsh
1980-4-19
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
JEPS101802
Lotus grandiflorus var. grandiflorus
Dean W. Taylor
1998-6-23
16705
Colusa
Walker Ridge; ; Walker Ridge, along BLM access road
929
Comment
RSA245245
Lotus grandiflorus var. grandiflorus
J. P. Smith
1971-6-6
4718
Lake
0.75 mi. north of Clyde Mine; Walker Ridge Road
Comment
CDA22934
Lotus humistratus
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17100
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
HSC41904
Lotus humistratus
M. A. Baker
1977-4-24
207
Lake
Barrel Springs Campground.
701
Comment
HSC66662
Lotus humistratus
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
4
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
UCR138666
Lotus humistratus
M. Brooks, Julie Evens, H. Johnson
1997-3-29
8
Colusa
Brim Road, 1.6 mi east of Brim Road/ Walker Ridge Road intersection
457
Comment
UCR139079
Lotus humistratus
D. Haskamp, E. Sonnenblick, M. Taft
1995-4-1
17
Lake
Blue Oak campground on Walker Ridge Road. Riparian area of Benmore Canyon Creek approximately 200 m east of campsites
537
Comment
HSC37638
Lupinus albifrons
John Rehling, Robert M. Specht
1976-3-26
168
Lake
8.3 mi. N on Barlett Springs Rd. from jct. with Hwy. 20
Comment
HSC90520
Lupinus albifrons
Pamela Grefsrud, Marty Reed, Eileen Rohmer
1990-4-14
47
Lake
Blue Oak Campground, Indian Valley Reservoir Access Rd. 2.5 mi. NE of intersection Walker Ridge Rd.
534
Comment
UCD163846
Lupinus albifrons
Craig D. Thomsen
2000-6-1
s.n.
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
UCD82547
Lupinus albifrons
Ellen Dean; G. Harrington, C. Thomsen,R. Wilmarth,Chiao-Yi Cheng
2009-5-20
5702
Colusa
Walker Ridge. Along Walker Ridge just S of turn-off to picnic area near Cold Spring.
1007
Comment
CDA22945
Lupinus albifrons var. albifrons
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17108
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
HSC89729
Lupinus albifrons var. albifrons
William E. Avery, Mathew Henry Bergvall-Mensor, Steve Wilson
1989-4-15
Lake
Lake/Colusa Co. line. 8 mi. off Brim Rd. on Walker Ridge.
915
Comment
CAS-BOT-BC196036
Lupinus albifrons var. collinus
A. Burgard; J. Goldsmith; J. Kalt
1996-5-4
78
Colusa
2.4 miles west of Bear Valley Rd. 12.4 miles on Walker Ridge Rd. from Hwy 20 to Brim Rd. 57 miles east of Hwy. 101 on Hwy. 20
524
Comment
CHSC115207
Lupinus albifrons var. collinus
Lowell Ahart
2015-4-28
20093
Lake
East of a small meadow, about 150 yards west of a Barrel Spring Meadow, about a 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
696
Comment
HSC86903
Lupinus albifrons var. collinus
Terry Hines, Ellen Purcell, N. Williams
1988-4-16
51
Lake
15.5 mi. off Hwy 20 on Walker Ridge Rd.
915
Comment
JEPS123917
Lupinus albifrons var. collinus
Lowell Ahart
2015-4-28
20093
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
UCD83747
Lupinus albifrons var. collinus
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5945 a
Colusa
Walker Ridge. Along Walker Ridge Road at intersection with road to Eaton Springs. Roadside, on E side of road.
927
Comment
UCD83748
Lupinus albifrons var. collinus
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5945 b
Colusa
Walker Ridge. Along Walker Ridge Road at intersection with road to Eaton Springs. Roadside, on E side of road.
927
Comment
UCR224884
Lupinus albifrons var. collinus
Ellen Dean, Gordon Harrington, Kate F. Mawdsley, Jean V. Shepard
2010-5-1
5945 A
Colusa
Walker Ridge, along Walker Ridge Road at intersection with road to Eaton Springs, east side of road
927
Comment
RSA10748
Lupinus albifrons var. eminens
Carl B. Wolf
1928-5-7
2077
Lake
Houghs Mineral Springs on the road to Williams.
595
Comment
HSC67105
Lupinus bicolor
Teri Bartkowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
6
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
HSC90056
Lupinus bicolor
Rohmer, Reed, Grefsrud
1990-4-14
31
Lake
Blue Oak Campground, Indian Valley Reservoir Access Rd., 2.5 mi. NE of intersection with Walker Ridge Rd.
534
Comment
HSC91343
Lupinus bicolor
Eric German, Klara Varga, Michele Cardinaux
1989-4-15
29
Lake
Blue Oak Campground, 7.7 mi. N of Hwy. 20
152
Comment
RSA299452
Lupinus bicolor
Teri Bartowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
6
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
UCD83718
Lupinus bicolor
Joseph Schlottman; with PLB 102 class
2010-5-2
4
Colusa
East slope of Walker Ridge. Eaton Springs. Adjacent to main creek.
710
Comment
HSC66641
Lupinus densiflorus var. aureus
Cathie Goldberg, Lynn Kunstman, Geoff Walsh, Lauren Philbrick
1980-4-19
22
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
HSC86904
Lupinus densiflorus var. aureus
Terry Hines, Ellen Purcell, N. Williams
1988-4-16
29
Lake
6.1 mi. on Walker Ridge Rd., N of Hwy. 20. Across from Blue Oak Campground
732
Comment
HSC89298
Lupinus densiflorus var. aureus
L. Blackford, S. Branch, D. Malm
1988-4-16
42
Lake
6.1 mi. on Walker Ridge Rd. off Hwy. 20 at Blue Oak Campground
732
Comment
HSC89794
Lupinus densiflorus var. aureus
A. Smith, A. Eller, B. Hoffman
1989-4-15
16
Lake
Blue Oak Campground, 7.7 mi. N of Hwy. 20 just W of Walker Ridge Rd.
152
Comment
HSC95455
Lupinus densiflorus var. densiflorus
A. Miles, M. Malle, B. Gibbs
1999-5-1
28
Lake
Blue Oak Rec. Area; Walker Ridge Rd., 1/4 km N of campground
536
Comment
CHSC94928
Lupinus latifolius var. columbianus
K. Lang; Classmates
2005-4-2
18
Lake
Walker Ridge.
1000
Comment
UCR138732
Lupinus microcarpus var. densiflorus
Ryan Stafsnes, Chris Dunn, Darina Roediger
1997-3-29
22
Lake
Blue Oak campground, 2.5 mi past intersection of access road and Walker Ridge Rd
274
Comment
CDA26543
Lupinus nanus
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17108 a
Lake
North Coast Ranges; immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
HSC86905
Lupinus pachylobus
Terry Hines, Ellen Purcell, N. Williams
1988-4-16
30
Lake
6.1 mi. N on Walker Ridge Rd., Blue Oak Campground, W of Rd.
732
Comment
HSC89695
Lupinus polycarpus
William E. Avery, Mathew Henry Bergvall-Mensor, Steve Wilson
1989-4-15
Lake
Lake/Colusa Co. line, 8 mi. S of Brim Rd. on Walker Ridge
915
Comment
HSC89706
Lupinus polycarpus
Eric German, Klara Varga, Michele Cardinaux
1989-4-15
27
Lake
Blue Oak Campground, 7.7 mi. N of Hwy. 20
152
Comment
UCD84583
Madia exigua
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6108
Lake
Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection. Meadow on south side of road.
647
Comment
CDA8257
Madia hallii
Vernon H. Oswald & Lowell Ahart
1998-5-7
9012
Colusa
Bartlett Springs Road 2.8 miles west of Bear Valley Road, 0.1 mile east of Sawtelle Valley and Grapevine Flat Roads.
Comment
UCD159852
Madia hallii
G. Ledyard Stebbins
1985-4-19
C 503
Colusa
South end of Walker Ridge, along Walker Ridge Road, 0.25 miles northeast of its junction with road to Indian Valley Dam. (Note by label-maker: Section 12 is farther than 0.25 miles NE of road to Indian Valley Dam. Georeferenced this record in Section 13).
Comment
UCD110403
Malacothamnus fremontii
Daniel Slakey; CNPS volunteers
2011-6-12
1
Lake
Walker Ridge. Around small ORV trail that connects to Indian Valley Reservoir Rd. About halfway between Walker Ridge Rd. and Indian Valley Reservoir.
618
Comment
UCD144681
Malacothamnus fremontii
Daniel Slakey; CNPS volunteers
2011-6-12
1
Lake
Walker Ridge. Around small ORV trail that connects to Indian Valley Reservoir Rd. About halfway between Walker Ridge Rd. and Indian Valley Reservoir.
618
Comment
CDA9388
Malacothamnus hallii
G. F. Hrusa, R. Gross, G. Holstein
2014-5-14
18594
Lake
North Coast Ranges; Silver Spur Ranch. Middle Benmore Canyon 1 1/2 mi. S of spillway at Indian Valley Reservoir.
454
Comment Read comments Dec 18 2016
UCD83450
Malacothrix clevelandii
Craig Thomsen; G. Harrington
2009-5-12
2826
Colusa
Colusa County on Walker Ridge: About 200 yards south of spur road enroute to Eaton Springs from Walker Ridge Rd. ( About 1/2 mile east of Walker Ridge Road)
822
Comment
HSC25722
Malacothrix floccifera
J. P. Smith, J. O. Sawyer
1971-6-6
4717
Lake
0.75 mi. N of Clyde Mine, Walker Ridge Rd.
Comment
HSC60469
Malacothrix floccifera
J. P. Smith
1977-4-24
9037
Lake
Barrel Springs Campground
701
Comment
JEPS16207
Malacothrix floccifera
Rimo Bacigalupi and Arthur Holmgren
1950-4-26
3185
Colusa
just w Bear Valley (just w of base of the grade to Indian Valley (Bartlett Mt. Grade)); Inner North Coast Ranges
Comment
RSA245238
Malacothrix floccifera
J. P. Smith, John Sawyer
1971-6-6
4717
Lake
0.75 mi. north of Clyde Mine; Walker Ridge Road
Comment
RSA298142
Malacothrix floccifera
J. P. Smith
1977-4-24
9037
Lake
Barrel Springs Campground
701
Comment
UC1053472
Malacothrix floccifera
Rimo Bacigalupi and Arthur Holmgren
1950-4-26
3185
Colusa
just w Bear Valley (just w of base of the grade to Indian Valley (Bartlett Mt. Road)); Inner North Coast Ranges
Comment
UCD82542
Malacothrix floccifera
Ellen Dean; G. Harrington, C. Thomsen,R. Wilmarth,Chiao-Yi Cheng
2009-5-20
5698
Colusa
Walker Ridge. Til Jones Spring area along Walker Ridge Road.
833
Comment
JEPS95245
Marah watsonii
Steve Edwards
1996-4-26
Colusa
Walker Ridge NE of Barrel Springs, on serpentinite scree visible immediately S of Brim Grade, E of Walker Ridge Road and not far below the latter in elevation
Comment
HSC90051
Matricaria discoidea
Rohmer, Grefsrud, Reed
1990-4-14
44
Lake
Blue Oak Campground, Indian Valley Reservoir Access Road, 2.5 mi. NE of the intersection with Walker Ridge Rd
534
Comment
CDA22921
Melica californica
G. F. Hrusa, R. Gross
2008-5-23
17424
Lake
North Coast Ranges; Above N. Fk. Cache Cr. +/- 1 mi. below spillway of Indian Valley Reservoir, above tailrace.
408
Comment
CHSC101229
Melica californica
G. F. Hrusa; R. Gross
2008-5-23
17424
Lake
N-facing slope above N. Fork Cache Creek +/- 1 mile below spillway of Indian Valley Reservoir on slopes above tailrace.
408
Comment
HSC41908
Melica californica
M. A. Baker
1977-4-24
213
Lake
Barrel Springs Campground.
701
Comment
UCD82124
Melica californica
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5653
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
CDA22924
Melica harfordii
G. F. Hrusa, R. Gross
2008-5-23
17439
Lake
North Coast Ranges; Above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir.
408
Comment
CAS-BOT-BC247101
Melica torreyana
Craig D. Thomsen; J. Wiegand; S. Harrison; G. Harrington; A. Fulks
2008-4-22
2732
Colusa
Walker Ridge. Eaten Springs, 4 mi N of Hwy 20, ca. 1.5 mi E of Walker Ridge Rd.
609
Comment
HSC41826
Melica torreyana
Rick Cooper
1977-4-24
45
Lake
Barrel Springs Campground.
701
Comment
HSC71638
Melica torreyana
J. P. Smith
1978-4-23
9747
Lake
Barrel Springs Campground.
701
Comment
RSA293159
Melica torreyana
J. P. Smith
1978-4-23
9747
Lake
Barrel Springs Campground.
701
Comment
UCD82587
Melica torreyana
Craig D. Thomsen; J. Wiegand, S. Harrison, G. Harrington, A. Fulks
2008-4-22
2732
Colusa
Walker Ridge. Eaton Springs, 4 mi N of Hwy 20, ca. 1.5 mi E of Walker Ridge Rd.
609
Comment
UCD84546
Melica torreyana
Ellen Dean; C. Thomsen, T. Hansen, and windfarm meeting
2010-6-11
6144
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here.
817
Comment
UCD82136
Melilotus indicus
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5669
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
869
Comment
UCD82087
Mentzelia dispersa
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5614
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
RSA15104
Mentzelia laevicaulis
Daniel Cleveland
1882-7-1
`S.N.
Lake
Indian Valley.
Comment
SD7607
Mentzelia laevicaulis
Daniel Cleveland
Jul 1882
Lake
Indian Valley
Comment
UC1053474
Mentzelia micrantha
Rimo Bacigalupi, Arthur Holmgren
1950-4-26
3181
Colusa
just w Bear Valley (Burned slope just west of base of the grade to Indian Valley(Bartlett Mt. Road)); Inner North Coast Ranges
Comment
UCD82738
Mentzelia micrantha
Craig Thomsen; G. Harrington
2009-5-14
2919
Colusa
Colusa County on Walker Ridge: about 200 yds. south of spur road, 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
822
Comment
CAS-BOT-BC428805
Micranthes californica
Eric B. Peterson; Thomas Ward; Matt Foruria
1995-4-1
29
Lake
Blue Oak Campground, about 70m up the canyon from the end of camping area, ~40m uphill from stream on N facing slope.
548
Comment
CDA21521
Micropus californicus var. californicus
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17094
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
CHSC101220
Micropus californicus var. californicus
G. F. Hrusa; R. Gross, L. Houser
2008-4-11
17094
Butte
Open, chaparral slopes with woodland on N faces immediately below Indian Valley Reservoir spillway into North Fork Cache Creek tailrace.
396
Comment
HSC92588
Micropus californicus var. californicus
Moulton, Sparks, Wood
1995-5-6
36
Lake
Blue Oak Campground
549
Comment
UCD82822
Micropus californicus var. californicus
Craig Thomsen; G. Harrington
2009-5-12
2844
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
HSC44282
Microseris douglasii
Barbara Kelly
1977-4-24
353
Colusa
Along Walker Ridge Rd. above Barrel Springs Campground.
701
Comment
CHSC70968
Microseris douglasii subsp. douglasii
Vernon Oswald; Lowell Ahart
1998-5-7
8999
Colusa
Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads.
524
Comment
JEPS94219
Microseris douglasii subsp. douglasii
Vernon Oswald and Lowell Ahart
1998-5-7
8999
Colusa
Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road
524
Comment
CHSC101538
Microsteris gracilis
G. F. Hrusa; R. Gross, L. Houser
2008-4-11
17117
Lake
Open chaparral slopes with woodland on N faces immediately below Indian Valley Reservoir spillway into North Fork Cache Creek tailrace.
396
Comment
CHSC84234
Mimetanthe pilosa
Lowell Ahart
2003-7-14
10405
Lake
Along a stream, on the west side of the second causeway going southwest on Bartlett Springs Road, Indian Valley Reservoir.
449
Comment
UCR138733
Mimulus aurantiacus
Ryan Stafsnes, Chris Dunn, Darina Roediger
1997-3-29
24
Lake
Blue Oak campground, 2.5 mi past intersection of access road and Walker Ridge Rd
274
Comment
UCD82625
Mimulus bolanderi
Craig Thomsen; G. Harrington
2009-5-12
2895
Colusa
Colusa County on Walker Ridge: from spur road about 1/2 mile east of Walker Ridge Road, en route to Eaton Springs. About 200 yds.south off spur road, south-facing hillslope above ravine and spring area.
813
Comment
UCD82726
Mimulus cardinalis
Craig Thomsen; G. Harrington
2009-5-14
2909
Colusa
Colusa County on Walker Ridge: about 200 yds. south of spur road, 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
CDA41441
Mimulus douglasii
S. E. Schoenig
1998-4-24
98 -8
Colusa
Adjacent to clearing east of Brim Road, 1.5 miles west of Bear Valley Road.
Comment
CDA41442
Mimulus douglasii
S. E. Schoenig
1998-4-24
98 -9
Colusa
Barrel Springs, 200 meters west of parking area off Walker Ridge Road, 1 mile south of intersection with Brim Road.
Comment
UCD82134
Mimulus floribundus
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5664
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
861
Comment
HSC45511
Mimulus guttatus
M. Alcasas
1978-4-23
56
Lake
Barrel Springs Campground.
701
Comment
HSC45745
Mimulus guttatus
Stephen Plant
1978-4-23
217
Lake
Barrel Springs Campground
701
Comment
HSC66063
Mimulus guttatus
C. Macdonald, P. Powers, C. Raley, J. Spitler, D. Stamp
1980-4-19
35
Lake
Along Walker Ridge Rd., 1.0 mi. N of junction with access road to Indian Valley Dam.
Comment
JEPS104387
Mimulus guttatus
Lowell Ahart
2003-7-14
10396
Lake
Near a small stream, at Barrel Spring, ca 1 1/2 mi (air) south of Bartlett Springs Rd, ca 2 mi (air) w of Bear Valley.
396
Comment
RSA454339
Mimulus guttatus
Christopher Knopp
1978-4-23
34
Lake
Barrel Springs Campground.
701
Comment
UCD82504
Mimulus guttatus
Craig Thomsen; G. Harrington
2009-5-12
2864
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
UCD82512
Mimulus guttatus
Craig Thomsen; G. Harrington
2009-5-12
2870
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
UCD82521
Mimulus guttatus
Craig Thomsen; G. Harrington
2009-5-12
2878
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
713
Comment
UCR138734
Mimulus kelloggii
Ryan Stafsnes, Chris Dunn, Darina Roediger
1997-3-29
25
Lake
Blue Oak campground, 2.5 mi past intersection of access road and Walker Ridge Rd
274
Comment
JEPS123895
Mimulus latidens
Lowell Ahart
2015-4-28
20104
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
RSA0114868
Mimulus latidens
Lowell A. Ahart
2015-4-28
20104
Lake
About 30 yards north of the south edge of the meadow, Barrel Spring Meadow, about 0.25 mi (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
697
Comment
UCD82111
Mimulus latidens
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5639
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
818
Comment
JEPS8154
Mimulus layneae
Robert F. Hoover
1938-6-9
3574
Lake
Indian Valley
Comment
JEPS8212
Mimulus layneae
W. L. Jepson
1920-5-24
9000
Lake
Indian Valley
Comment
JEPS93862
Mimulus layneae
Vernon H. Oswald and Lowell Ahart
1998-7-15
9291
Lake
0.8 mi s of Bartlett Springs Road (e side of county near Barrel Spring on the e side of Baldy Mountain and w of Walker Ridge Road); Baldy Mountain
640
Comment
RSA324422
Mimulus layneae
Robert F. Hoover
1938-6-9
3574
Lake
Indian Valley.
Comment
RSA488803
Mimulus layneae
James L. Reveal
1988-6-2
6988
Lake
Barrel Springs area just west of the Walker Ridge Road, 1 mile south of the Bartlett Springs Road and about 15 miles north of Hwy 20.
762
Comment
JEPS104384
Mimulus microphyllus
Lowell Ahart
2003-7-14
10404
Lake
Along a stream, on the w side of the second causeway going sw on Bartlett Springs Rd, Indian Valley Reservoir.
449
Comment
JEPS104388
Mimulus microphyllus
Lowell Ahart
2003-7-14
10396
Lake
Near a small stream, at Barrel Spring, ca 1 1/2 mi (air) south of Bartlett Springs Rd, ca 2 mi (air) w of Bear Valley.
396
Comment
JEPS11567
Mimulus microphyllus
W. L. Jepson
1920-5-23
8994
Lake
Indian Valley
Comment
UCD81724
Mimulus nasutus
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5728
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
JEPS74812
Mimulus nudatus
L. R. Heckard, T. I. Chuang, and R. Bacigalupi
1975-5-7
4020
Colusa
just sw of site Old Kowalski ranch (below upper dam road, sw of Leesville); Upper Indian Valley
396
Comment
UCD81729
Mimulus rattanii
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5731
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
864
Comment
UCD82088
Mimulus rattanii
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5615
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
HSC66056
Mimulus tilingii
Cathie Goldberg, Lynn Kunstman, Lauren Philbrick, Geoff Walsh
1980-4-19
42
Lake
Along Walker Ridge Rd., 1 mi. N of jct. with access road to Indian Valley Dam
Comment
CDA14209
Minuartia douglasii
G. F. Hrusa
1993-5-2
10873
Lake
Serpentine Flora of California; Upper parts of north end of Walker Ridge between Bear Valley and Indian Valley Reservoir.
Comment
HSC31564
Minuartia douglasii
Teresa Prendusi
1974-5-4
49
Colusa
Beyond Clyde Mine 1/8 mi.
854
Comment
HSC44268
Minuartia douglasii
D. L. Goforth
1977-4-24
27
Lake
Barrel Springs Campground.
701
Comment
HSC45728
Minuartia douglasii
Christopher Knopp
1978-4-23
21
Lake
Barrel Springs Campground
701
Comment
UCD82137
Minuartia douglasii
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5670
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
869
Comment
UCD82385
Minuartia douglasii
Craig Thomsen; G. Harrington
2009-5-12
2827
Colusa
Colusa County. Walker Ridge. South of spur road en route to Eaton Springs, about 1/2 mile east of Walker Ridge Rd. About 100 yds south of road (ravine with spring below).
822
Comment
UCD82737
Minuartia douglasii
Craig Thomsen; G. Harrington
2009-5-14
2918
Colusa
Colusa County on Walker Ridge: south of spur road about 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
762
Comment
UCD84445
Monardella
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6053
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here.
817
Comment
CHSC106248
Monardella villosa
B. Castro; L. P. Janeway
2001-6-3
1261
Colusa
Inner North Coast Ranges. 'Til Jones Spring' at headwaters of Freshwater Branch of E. Fork Sulphur Ck, 0.6 mi E of top of Walker Ridge. Ca 3 air mi W of S end of Bear Valley, and 1.75 air mi SSE of Cold Spring Mtn. Just downslope from Walker Ridge Rd., in opening in surrounding serpentine chaparral.
822
Comment
RSA739738
Monardella villosa
L. P. Janeway
2007-6-17
9054
Lake
Inner N coast Ranges, along dirt road 0.3km NW of Bartlett Springs Road and Indian Valley Reservoir, 5.6 air km E of Hough Springs
500
Comment
UC2042512
Monardella villosa
Holly Forbes and Barbara Keller
2011-7-7
Colusa
Walker Ridge Road 6.1 miles N from its intersection with Highway 30.
Comment
CHSC71431
Monardella villosa subsp. villosa
Vernon H. Oswald; Lowell Ahart
1998-7-15
9295
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
CHSC98901
Monardella villosa subsp. villosa
L. P. Janeway
2007-6-17
9054
Lake
Inner North Coast Ranges. Along dirt road 0.3 km northwest of Bartlett Springs Road and Indian Valley Reservoir; about 5.6 air km east of Hough Springs.
500
Comment
JEPS94759
Monardella villosa subsp. villosa
Vernon H. Oswald and Lowell Ahart
1998-7-15
9295
Lake
East side of county near Barrel Springs on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Road.
640
Comment Read comments Dec 26 2009
UC883639
Monardella villosa subsp. villosa
A. A. Heller
1916-6-6
12355
Colusa
Coast Range on the grade about 3 miles west of Leesville
Comment
UCD135913
Monardella villosa subsp. villosa
Veron H. Oswald; Lowell Ahart
1998-7-15
9295
Lake
East side of county near Barrel Spring on the east side of Baldy Mountain, and west of Walker Ridge Road, 0.8 mile south of Bartlett Springs Road.
640
Comment
UCD81712
Monardella villosa subsp. villosa
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5718
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
UCD82537
Monardella villosa subsp. villosa
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5690
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
817
Comment
JEPS15267
Monolopia major
Rimo Bacigalupi with G. L. Stebbins, Calvin McMillan, Peter Kamb, and S. Galen Smith
1950-4-16
3118
Colusa
base grade (Bartlett Springs road) (western edge of valley); inner edge of easternmost North Coast Ranges, Bear Valley
426
Comment
UC1049535
Monolopia major
Rimo Bacigalupi
1950-4-16
3118
Colusa
just w Bear Valley (along base of grade (Bartlett Mt. road), near Colusa-Lake County line); Inner North Coast Ranges
426
Comment
UCD86800
Muhlenbergia mexicana
R. M. Love
1947-9-1
s.n.
Lake
Stephens Ranch, Indian Valley.
396
Comment
UC1146671
Nassella cernua
Freed W. Hoffman
1944-7-13
1957
Colusa
between Indian Valley and Bear Valley; North Coast Ranges
Comment
UCD84569
Nassella cernua
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6094
Lake
Walker Ridge. Picnic Area near wetland/marsh.
899
Comment
UCD82446
Nassella lepida
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5662
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
861
Comment
CAS-BOT-BC242676
Nassella pulchra
Ellen Dean; G. Harrington; C. Thomsen; Chiao-Yi Cheng; R. Wilmarth
2009-5-20
5628
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir
821
Comment
UCD82101
Nassella pulchra
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5628
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
JEPS70256
Navarretia cotulifolia
W. L. Jepson
1920-5-23
8965
Colusa
near Leesville (foot of Bartlett Grade, w side of Bear Valley); Bear Valley, Bartlett Grade
426
Comment
HSC44290
Navarretia divaricata
J. P. Smith, J. O. Sawyer
1971-6-6
4744
Lake
Buck Flat Recreation Site
Comment
RSA716042
Navarretia intertexta
L. Ahart, Robert A. Schlising
2005-7-2
12131
Lake
Near Barrel Spring, Walker Ridge, about 1 1/2 miles (air) south of Bartlett Springs Road, about 2 miles (air) west of Bear Valley.
691
Comment
CHSC91452
Navarretia intertexta subsp. intertexta
Lowell Ahart; Robert Schlising
2005-7-2
12131
Lake
Along a small stream, near Barrel Spring, Walker Ridge, about 1 1/2 miles (air) south of Bartlett Springs Road, about 2 miles (air) west of Bear Valley.
690
Comment
JEPS107916
Navarretia intertexta subsp. intertexta
Lowell Ahart, Robert Schlising
2005-7-2
12131
Lake
Along a small stream, near Barrel Spring, Walker Ridge, about 1 1/2 miles (air) south of Bartlett Springs Road, about 2 miles (air) west of Bear Valley
690
Comment
CHSC71444
Navarretia jepsonii
Vernon H. Oswald; Lowell Ahart
1998-7-15
9282
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
CHSC88556
Navarretia jepsonii
L. P. Janeway
2001-6-6
7127
Colusa
Inner North Coast Ranges. Deadshot Spring; about 1.9 km (air) east of Walker Ridge Road.
716
Comment
CHSC91453
Navarretia jepsonii
Lowell Ahart; Robert Schlising
2005-7-2
12130
Lake
Open flats, near Barrel Spring, Walker Ridge, about 1 1/2 miles (air) south of Bartlett Springs Road, about 2 miles (air) west of Bear Valley.
690
Comment
JEPS107917
Navarretia jepsonii
Lowell Ahart, Robert Schlising
2005-7-2
12130
Lake
Open flats, near Barrel Spring, Walker Ridge, about 1 1/2 miles (air) south of Bartlett Springs Road, about 2 miles (air) west of Bear Valley
690
Comment
JEPS93863
Navarretia jepsonii
Vernon H. Oswald and Lowell Ahart
1998-7-15
9282
Lake
0.8 mi s of Bartlett Springs Road (e side of county near Barrel Spring on e side of Baldy Mountain and w of Walker Ridge Road); Baldy Mountain
640
Comment
RSA466278A
Navarretia jepsonii
L. F. LaPre, K. Campbell
1987-6-29
s.n.
Lake
Barrel Springs Camp, NE of Clear Lake at Colusa Co. line, on Walker Pass Road
Comment
RSA716043
Navarretia jepsonii
L. Ahart, Robert A. Schlising
2005-7-2
12130
Lake
Near Barrel Spring, Walker Ridge, about 1 1/2 miles (air) south of Bartlett Springs Road, about 2 miles (air) west of Bear Valley.
691
Comment
UC856832
Navarretia jepsonii
A. A. Heller
1916-6-6
12356
Colusa
about 3 mi w Leesville (on the grade); Coast Range
Comment
UC908621
Navarretia jepsonii
Herbert L. Mason
1946-5-30
12814
Colusa
about 1 mi e Lake County line (w Colusa County); Leesville Grade
Comment
UCD48434
Navarretia jepsonii
Vernon H. Oswald; Lowell Ahart
1998-7-15
9282
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Barlett Springs Rd.
640
Comment
UCR50004
Navarretia jepsonii
L. F. LaPre, K. Campbell
1987-6-29
s.n.
Lake
Inner North Coast Ranges, Barrel Spring Camp, NE of Clear Lake at Colusa Co. line, on Walker Ridge Rd
Comment
UCD106393
Navarretia linearifolia subsp. pinnatisecta
Vernon H. Oswald; Lowell Ahart
1998-7-15
9281
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Barlett Springs Rd.
640
Comment
CAS-BOT-BC230053
Navarretia mellita
Ellen Dean; G. Harrington; C. Thomsen; Chiao-Yi Cheng; R. Wilmarth
2009-5-20
5636
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road
818
Comment
CHSC71445
Navarretia mellita
Vernon H. Oswald; Lowell Ahart
1998-7-15
9297
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
JEPS93805
Navarretia mellita
Vernon H. Oswald and Lowell Ahart
1998-7-15
9297
Lake
0.8 mi s of Bartlett Springs Road (e side of county near Barrel Spring on e side of Baldy Mountain and w of Walker Ridge Road); Baldy Mountain
640
Comment
UCD82108
Navarretia mellita
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5636
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
818
Comment
UCD84439
Navarretia mellita
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6049
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here.
817
Comment
SEINET4673688
Navarretia paradoxinota
Lowell Ahart, Robert Schlising
2005-7-2
12131
Lake
Near Barrel Spring, Walker Ridge, about 1 1/2 miles (air) south of Bartlett Springs Road, about 2 miles (air) west of Bear Valley.; 0
691
Comment
SEINET4673691
Navarretia paradoxinota
David Gowen
2010-6-14
1129
Lake
West off of Walker Ridge Road, in meadow near camping area north of Barrel Spring.; 0
701
Comment
CAS-BOT-BC230054
Navarretia pubescens
Ellen Dean; G. Harrington; C. Thomsen; Chiao-Yi Cheng; R. Wilmarth
2009-5-20
5646
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road
839
Comment
CAS-BOT-BC233594
Navarretia pubescens
J. Clausen
1935-5-20
1014
Colusa
18 miles W of Williams on Bartlett Springs Road
Comment
UC584174
Navarretia pubescens
J. Clausen
1935-5-20
1014
Colusa
18 mi w Williams (on Bartlett Springs road)
Comment
UCD82118
Navarretia pubescens
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5646
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
CHSC71443
Navarretia sinistra subsp. pinnatisecta
Vernon H. Oswald; Lowell Ahart
1998-7-15
9281
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
UCD81730
Nemacladus capillaris
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5732
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
864
Comment
UCD82086
Nemacladus capillaris
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5613
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
JEPS5478
Nemacladus montanus
W. L. Jepson
1920-5-23
8986
Lake
Indian Valley; ne Lake Co.
Comment
UCD82389
Nemophila
Craig Thomsen; G. Harrington
2009-5-12
2831
Colusa
Colusa County. Walker Ridge. South of spur road en route to Eaton Springs, about 1/2 mile east of Walker Ridge Rd. About 200 yds south of road (ravine with spring below).
822
Comment
CDA21523
Nemophila heterophylla
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17105
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
HSC66048
Nemophila heterophylla
B. Ferguson, S. Harris, S. Smith
1980-4-19
Lake
Along Walker Ridge Rd. 3.7 mi. N of jct. with access rd. to Indian Valley Dam
Comment
HSC67101
Nemophila heterophylla
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
10
Lake
Coldsprings Campground along access road to Indian Valley Dam
Comment
HSC89704
Nemophila heterophylla
Levine, Pacheco, Murphey
1989-4-15
25
Lake
Blue Oak Campground, between Walker Ridge Rd. and Indian Valley Reservoir.
Comment
UCR139074
Nemophila heterophylla
E. Brower, S. Marubayashi, E. Perry
1997-3-30
022
Lake
Blue Oak Campground, Indian Valley Reservoir. 2.5 mi past intersection of access road and Walker Ridge Road
274
Comment
CHSC32915
Nemophila menziesii
S. Harris; B. Ferguson, M. Moble, M. Smith
1980-4-19
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
HSC66012
Nemophila menziesii
Cathie Goldberg, Lauren Philbrick, Lynn Kunstman, Geoff Walsh
1980-4-19
3
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
UCD120230
Nemophila menziesii
Debbie Stamp; Patty P., Joanne S., Cathy R., Cathy M.
1980-4-19
15
Lake
Coldsprings Campground, along access road to Indian Valley Dam. In lower part of campground.
Comment
UCR139073
Nemophila menziesii var. menziesii
E. Brower, S. Marubayashi, E. Perry
1997-3-30
023
Lake
Blue Oak Campground, Indian Valley Reservoir. 2.5 mi past intersection of access road and Walker Ridge Road
274
Comment
HSC66134
Nemophila pedunculata
C. Macdonald, P. Powers, C. Raley, J. Spitler, D. Stamp
1980-4-19
42
Colusa
On Bartlett Springs Rd. at stream crossing
Comment
HSC66645
Nemophila pedunculata
Cathie Goldberg, Lauren Philbrick, Lynn Kunstman, Geoff Walsh
1980-4-19
18
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
HSC90945
Nemophila pedunculata
Rohmer, Grefsrud, Reed
1990-4-14
34
Lake
Blue Oak Campground, Indian Valley Reservoir Access Rd., 2.5 mi. NE of intersection with Walker Ridge Rd.
534
Comment
CDA22926
Orobanche bulbosa
G. F. Hrusa, R. Gross
2008-5-23
17435
Lake
North Coast Ranges; Above N. Fk. Cache Cr. +/- 1 mi. below spillway of Indian Valley Reservoir.
426
Comment
JEPS127817
Orobanche bulbosa
Susan Fawcett
2014-5-13
226
Colusa
Walker Ridge, near border of Lake and Colusa Counties.
Comment
CHSC71441
Orobanche californica subsp. jepsonii
Vernon H. Oswald; Lowell Ahart
1998-7-15
9274
Colusa
Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. Along the edge of a meadow.
524
Comment
HSC46133
Orobanche fasciculata
J. P. Smith, J. O. Sawyer
1971-6-6
4715
Lake
0.75 mi. N of Clyde Mine, Walker Ridge Rd.
Comment
UCD163347
Orobanche fasciculata
Craig D. Thomsen
2000-5-11
2342
Lake
Walker Ridge. 3 miles southwest of Windtun Campground turnoff, Til Jones Spring area.
Comment
UCD84573
Orobanche fasciculata
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6098
Colusa
Walker Ridge on border of Lake and Colusa counties. Just E of Barrel springs area along Walker Ridge Road.
721
Comment
HSC66583
Orobanche uniflora
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
11
Lake
Coldsprings Campground along access road to Indian Valley Dam
Comment
HSC90073
Orobanche uniflora
Amy Austin, Tony LaBanca, Noreen McClintock
1990-4-14
33
Lake
Blue Oak Campground on Indian Valley Reservoir Rd., 2.5 mi. NE of intersection with Walker Ridge Rd.
534
Comment
HSC90408
Orobanche uniflora
Joe Doyle, Gayle Honeycutt, Ethan Freid
1992-4-12
44
Lake
Blue Oak Recreation Site, 6.5 mi. N of Hwy. 20 on Walker Ridge Rd.
488
Comment
JEPS81613
Orobanche valida subsp. howellii
Bill Ruskin
1982-6-6
Lake
1.5 mi. n.e. of Kowalski Ranch next to Bartlett Springs Rd.
457
Comment
POM332461
Orthocarpus attenuatus
Teri Bartowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
29
Lake
Along Walker Ridge Road, 1 mile north of junction with access road to Indian Valley Dam.
Comment
RSA489571
Orthocarpus hispidus
James L. Reveal
1988-6-2
6992
Lake
Barrel Springs area just west of the Walker Ridge Road, 1 mile south of the Bartlett Springs Road and about 15 miles north of Hwy 20.
762
Comment
SD8971
Packera bolanderi
unknown
1882-7-1
Lake
Indian Valley
Comment
CHSC71420
Packera clevelandii
Vernon H. Oswald; Lowell Ahart
1998-7-15
9286
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd. Along the banks of an intermittent stream.
640
Comment
CHSC84193
Packera clevelandii
Lowell Ahart
2003-7-14
10393
Lake
Near a small stream, at Barrel Spring, about 1 1/2 miles (air) south of Bartlett Springs Road, about 2 miles (air) west of Bear Valley.
396
Comment
CHSC88565
Packera clevelandii
L. P. Janeway; B. Castro
2001-6-3
7103
Colusa
Inner North Coast Ranges. At Buck Flat: east side of Walker Ridge at head of Gaither Canyon; about 1.3 km south-southeast of Baldy Mountain. Meadow.
872
Comment
CHSC88577
Packera clevelandii
L. P. Janeway
2001-6-6
7112
Colusa
Inner North Coast Ranges. Eaton Springs, about 2.4 km east of Walker Ridge Road. Meadow opening.
713
Comment
JEPS104240
Packera clevelandii
Lowell Ahart
2003-7-14
10393
Lake
Near a small stream, at Barrel Spring, ca 1 1/2 mi (air) south of Bartlett Springs Rd, ca 2 mi (air) w of Bear Valley.
396
Comment
JEPS23643
Packera clevelandii
R. F. Hoover
1938-6-9
3578
Lake
Indian valley
Comment
JEPS94690
Packera clevelandii
Vernon H. Oswald and Lowell Ahart
1998-7-15
9286
Lake
e side of county near Barrel Spring (on e side of Baldy Mountain and w of Walker Ridge Road 0.8 mi s of Bartlett Springs Road); Baldy Mountain
640
Comment
JEPS94755
Packera clevelandii
Vernon H. Oswald and Lowell Ahart
1998-7-15
9286
Lake
e side of county near Barrel Spring (on e side of Baldy Mountain and w of Walker Ridge Road 0.8 mi s of Bartlett Springs Road); Baldy Mountain
640
Comment
OBI15510
Packera clevelandii
Rimo Bacigalupi, G. T. Robbins
1954-6-25
4618
Lake
Along Stanton Crk, at the Kowalski Ranch, at upper edge of Indian Valley, along rd from Indian valley to Bear Valley (in Colusa county), 3.8 mi W of Colusa County line
442
Comment
SD8772
Packera clevelandii
Daniel Cleveland
1882-7-8
Lake
Indian Valley
Comment
SD8773
Packera clevelandii
Daniel Cleveland
Jun 1882
Lake
Indian Valley
Comment
UC767452
Packera clevelandii
R. F. Hoover
1938-6-9
3578
Lake
Indian Valley
Comment
UC91389
Packera clevelandii
D. Cleveland
1892-7-1
Lake
Indian Valley
Comment
UCD110420
Packera clevelandii
Daniel Slakey; CNPS volunteers
2011-6-12
6
Colusa
Walker Ridge. Wet meadow area on E side of Walker Ridge Rd. About 18 km N of Hwy.20 by road.
876
Comment
UCD110512
Packera clevelandii
Daniel Slakey; CNPS volunteers
2011-6-12
6
Colusa
Walker Ridge. Wet meadow area on E side of Walker Ridge Rd. About 18 km N of Hwy.20 by road.
876
Comment
UCD134743
Packera clevelandii
Vernon H. Oswald; Lowell Ahart
1998-7-15
9286
Lake
east side of county near Barrel Spring on the east side of Baldy Mountain and west of Walker Ridge Road. 0.8 mile south of Bartlett Springs Road.
640
Comment
UCD163342
Packera clevelandii
Craig D. Thomsen
2007-7-31
s.n.
Colusa
Walker Ridge. East of Eaton Springs en route to Rathburn Mine.
Comment
SD8774
Packera eurycephala
Daniel Cleveland
1882-7-16
Lake
Indian Valley
Comment
UCD163313
Packera eurycephala
Craig D. Thomsen
1997-4-13
1902
Colusa
Bear Valley. About 6 miles north of Hwy 20. Vicinity of Trout Creek, north of Deadshot Canyon.
Comment
UCD163853
Packera eurycephala
Craig D. Thomsen
2000-5-30
2274
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
CAS-BOT-BC316854
Packera eurycephala var. eurycephala
Doris K. Kildale
1928-5-7
4985
Lake
5 miles east of Hough's Mineral Springs
Comment
JEPS74815
Packera eurycephala var. eurycephala
L. R. Heckard, T. I. Chuang, and R. Bacigalupi
1975-5-7
4024
Colusa
sw of Leesville (just sw of site of old Kowalski ranch( below upper dam road)); Upper Indian Valley
396
Comment
UC831740
Packera eurycephala var. eurycephala
A. A. Heller
1916-6-8
12384
Lake
between Hough's Springs and the Colusa County line
Comment
UC91675
Packera eurycephala var. eurycephala
D. Cleveland
1882-7-1
Lake
Indian Valley
Comment
CHSC106247
Packera greenei
B. Castro; L. P. Janeway
2001-6-3
1258 C
Colusa
Inner North Coast Ranges. Spring at Grapevine flat, on top of Walker Ridge about 0.5 mi E of Baldy Mountain. East-facing slope/bench with large springy/meadowy area.
883
Comment
CHSC43635
Packera greenei
Vernon Oswald
1986-5-12
2014
Lake
Brim Rd. (Bartlett Springs Rd.) at the jct. of the road to Barrel Spring.
640
Comment
JEPS23637
Packera greenei
W. L. Jepson
1920-5-24
9027
Lake
Indian Valley, n Lake County Indian Valley
Comment
JEPS23638
Packera greenei
R. F. Hoover
1938-6-9
3576
Lake
Indian Valley
Comment
UCD159330
Packera greenei
D. S. Park
2010-6-5
114
Colusa
Walker ridge, Cold Spring Mt. roadside, grassland.
760
Comment
UCD82522
Packera greenei
Craig Thomsen; G. Harrington
2009-5-12
2879
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. East-facing hillslope above (west border) Eaton Springs meadow complex.
722
Comment
HSC44308
Pectocarya pusilla
Barbara Kelly
1977-4-24
347
Lake
Barrel Springs Campground
701
Comment
CHSC84651
Pedicularis densiflora
Matt Quinn
2001-3-31
33
Colusa
Found on Walker Ridge, north of Highway 20 between Bear Valley and Clear Lake, at the top of the road leaving Bear Valley. On ridgetop.
664
Comment
CHSC90083
Pedicularis densiflora
Ross Rowland
2001-3-30
17
Colusa
On hillside at the junction of Walker Ridge Road and Bear Valley Road. 545090mE/4334280mN/zone 10N.
663
Comment
HSC27152
Pedicularis densiflora
J. P. Smith, J. O. Sawyer
1972-4-1
5162
Lake
6.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd.
Comment
HSC44445
Pedicularis densiflora
R. York
1978-4-23
148
Lake
Barrel Springs Campground.
701
Comment
HSC66030
Pedicularis densiflora
M. Moble, M. Smith, B. Ferguson, S. Harris
1980-4-19
Lake
Along Walker Ridge Rd., 1 mi. N of junction with access road to Indian Valley Dam
Comment
HSC69919
Pedicularis densiflora
Thomas W. Nelson, Jane Nelson
1978-4-2
3868
Lake
Along Walker Ridge Rd., 6 mi. N of junction with Hwy. 20
Comment
UCD83683
Pedicularis densiflora
John Rosenthal; with PLB 102 class
2010-5-2
4
Colusa
Walker Ridge. East slope of Walker Ridge. Eaton Springs area.
716
Comment
CHSC114990
Pediomelum californicum
Lowell Ahart
2015-4-28
20100
Lake
About 150 yards west of Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
696
Comment
CHSC48568
Pediomelum californicum
Vernon Oswald
1986-5-12
2017
Lake
Brim Rd. (Bartlett Springs Rd.) at the jct. of the road to Barrel Spring.
640
Comment
JEPS123893
Pediomelum californicum
Lowell Ahart
2015-4-28
20100
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
UCD82107
Pediomelum californicum
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5635
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
818
Comment
UCD84548
Pediomelum californicum
Ellen Dean; C. Thomsen, T. Hansen, and windfarm meeting
2010-6-11
6146
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here.
817
Comment
CDA20426
Pellaea andromedifolia
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17103
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
CHSC32931
Pellaea andromedifolia
D. Boyd; M. Eichelberger, T. Messick, T. Ranker
1980-4-19
15
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
HSC66585
Pellaea andromedifolia
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
15
Lake
Coldsprings Campground along access road to Indian Valley Dam
Comment
HSC45695
Pellaea mucronata
Christopher Knopp
1978-4-23
27
Lake
Barrel Springs Campground
701
Comment
HSC66588
Pellaea mucronata
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
19
Lake
Coldsprings Campground along access road to Indian Valley Dam
Comment
UCD83617
Pellaea mucronata var. mucronata
Craig Thomsen; G. Harrington
2009-5-12
2833
Colusa
Colusa County. Walker Ridge. South of spur road en route to Eaton Springs, about 1/2 mile east of Walker Ridge Rd. About 100 yds south of road (ravine with spring below).
822
Comment
UCR37571
Penstemon heterophyllus
Michelle A. Strull, Et al.
1984-4-28
12
Colusa
Brim Road 1.6 mi west of Leesville-Lodoga Jct.
419
Comment
CAS-BOT-BC240290
Penstemon heterophyllus var. purdyi
Ellen Dean; G. Harrington; C. Thomsen; Chiao-Yi Cheng; R. Wilmarth
2009-5-20
5674
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road
853
Comment
CHSC71453
Penstemon heterophyllus var. purdyi
Vernon H. Oswald; Lowell Ahart
1998-7-15
9299
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
JEPS93797
Penstemon heterophyllus var. purdyi
Vernon H. Oswald and Lowell Ahart
1998-7-15
9299
Lake
0.8 mi s of Bartlett Springs Road (e side of county near Barrel Spring on the e side of Baldy Mountain and w of Walker Ridge Road); Baldy Mountain
640
Comment
UCD82488
Penstemon heterophyllus var. purdyi
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5674
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
853
Comment
HSC66049
Pentagramma triangularis
S. Harris, B. Ferguson, M. Smith, M. Moble
1980-4-19
Lake
Along Walker Ridge Rd., 3.7 mi. N of jct. with access rd. to Indian Valley Dam
Comment
HSC66133
Pentagramma triangularis
Teri Bartowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
37
Colusa
Bartlett Springs Rd. at stream crossing.
Comment
HSC66643
Pentagramma triangularis
Cathy Goldberg, Lauren Philbrick, Lynn Kunstman, Geoff Walsh
1980-4-19
20
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
CHSC84190
Perideridia kelloggii
Lowell Ahart
2003-7-14
10392
Lake
Near a small stream, at Barrel Spring, about 1 1/2 miles (air) south of Bartlett Springs Road, about 2 miles (air) west of Bear Valley.
396
Comment
UC875337
Perideridia kelloggii
A. A. Heller
1916-6-6
12361
Colusa
grade about 3 mi w Leesville; Coast Range
Comment
UCD82501
Perideridia kelloggii
Craig Thomsen; G. Harrington
2009-5-12
2860
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
HSC66586
Phacelia cicutaria
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
16
Lake
Coldsprings Campground along access road to Indian Valley Dam
Comment
JEPS81014
Phacelia distans
D. Boyd, M. Eichelberger, T. Messick, and T. Ranker
1980-4-19
16
Lake
along access road to Indian Valley Dam Coldsprings Campground
Comment
UCR138750
Phacelia distans
M. Brooks, Julie Evens, H. Johnson
1997-3-30
12
Lake
Blue Oak Campground
274
Comment
HSC45705
Phacelia imbricata
Sheila Logan
1978-4-23
105
Lake
Barrel Springs Campground
701
Comment
UCD84562
Phacelia imbricata
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6087
Lake
Walker Ridge. Along Walker Ridge Road. At a lookout that looks out over Indian Valley Reservoir that is located 8.3 road miles N of the intersection of Hwy 20.
1054
Comment
UC901839
Phacelia imbricata subsp. imbricata
L. Constance, R. Bacigalupi, C. R. Bell, and A. H. Holmgren
1950-4-26
3322
Colusa
ridge between Bear Valley and Indian Valley (near Colusa-Lake Co. line)
609
Comment
UCR138751
Phacelia imbricata var. imbricata
M. Brooks, Julie Evens, H. Johnson
1997-3-30
10
Lake
Blue Oak Campground
274
Comment
CDA24960
Phacelia tanacetifolia
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17099
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
UCD82733
Phacelia tanacetifolia
Craig Thomsen; G. Harrington
2009-5-14
2914
Colusa
Colusa County on Walker Ridge: south of spur road about 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
762
Comment
UCD82490
Phalaris aquatica
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5676
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
843
Comment
CDA22932
Phlox gracilis
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17117
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
HSC41907
Phoradendron bolleanum
M. A. Baker
1977-4-24
212
Lake
Barrel Springs Campground.
701
Comment
UCD83810
Phoradendron bolleanum
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5957
Colusa
Walker Ridge, along Walker Ridge Road, at intersection with road/trail to Mount Baldy.
880
Comment
CDA22371
Phoradendron densum
Vernon H. Oswald & Lowell Ahart
1998-5-7
9015
Lake
Bartlett Springs Road on the east approach to Indian Valley Reservoir, between Complexion Spring and Kowalski Ranch.
Comment
JEPS21852
Phoradendron densum
John R. Swanson
1958-4-26
323
Colusa
2.8 mi. w. Bear Valley rd. (near Colusa-Lake Co. boundary, on rd. to Bartlett Springs)
670
Comment
JEPS94200
Phoradendron densum
Vernon Oswald and Lowell Ahart
1998-5-7
9015
Lake
Bartlett Springs Rd. on the e. approach to Indian Valley Reservoir (between Complexion Spring & Kowalski Ranch)
457
Comment
UC1078784
Phoradendron densum
S. A. Cook
1958-4-26
1508
Lake
between Bear Valley and Indian Valley
975
Comment
HSC87061
Phoradendron serotinum subsp. tomentosum
Anthony J. Desch, Bryon Cariss
1988-4-16
27
Lake
6.1 mi. from Hwy. 20 on Walker Ridge Rd. in Blue Oak Campground
579
Comment
CHSC88597
Phragmites australis
L. P. Janeway; B. Castro
2001-6-3
7098
Colusa
Inner North Coast Ranges. Spring at Grapevine Flat, on top of Walker Ridge about 0.8 km east of Baldy Mountain.
884
Comment
JEPS106503
Phragmites australis
L. P. Janeway, B. Castro
2001-6-3
7098
Colusa
Inner North Coast Ranges. Spring at Grapevine Flat, on top of Walker Ridge about 0.8 km east of Baldy Mountain
884
Comment
UCD81868
Phragmites australis
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5750 a
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
UCD89841
Phragmites australis
R. M. Love
1947-9-1
s.n.
Lake
Stephens Ranch, Indian Valley.
396
Comment
UCD108169
Pickeringia montana
Vernon H. Oswald; Lowell Ahart
1998-7-15
9300
Lake
East side of county on Walker Ridge Rd. 4.7 mi south of Barlett Springs Rd., 9.6 mi north of Hwy. 20.
883
Comment
CHSC71424
Pickeringia montana var. montana
Vernon H. Oswald; Lowell Ahart
1998-7-15
9300
Lake
East side of county on Walker Ridge Rd. 4.7 mi south of Bartlett Springs Rd., 9.6 mi north of Hwy. 20. Along this section of road.
883
Comment
JEPS65575
Pickeringia montana var. montana
W. L. Jepson
1920-5-24
9024
Lake
hills e Indian Valley (ne Lake Co.)
548
Comment
JEPS93809
Pickeringia montana var. montana
Vernon H. Oswald and Lowell Ahart
1998-7-15
9300
Lake
e side of county on Walker Ridge Road 4.7 mi s of Bartlett Springs Road (9.6 mi n of Highway 20); Walker Ridge Road
883
Comment
UCD83751
Pinus attenuata
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5948
Colusa
Walker Ridge. Along Walker Ridge Road. 10 road miles N of intersection with Hwy 20. Just N of radio tower at Cold Spring Mountain on border with Lake County.
971
Comment
HSC45738
Pinus sabiniana
Howee Barban
1978-4-23
37
Lake
Barrel Springs Campground
701
Comment
HSC46099
Pinus sabiniana
J. P. Smith
1972-4-1
5168
Lake
6.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd.
Comment
HSC66596
Pinus sabiniana
Debbie Stamp, Cathy Railey, Patty Powers, Joanne Spitler, Cathy Macdonald
1980-4-19
13
Lake
Coldsprings Campground along access road to Indian Valley Dam
Comment
JEPS121703
Piperia leptopetala
J. Greenhouse
1993-6-6
Lake
Walker Ridge
Comment
CAS-BOT-BC228064
Plagiobothrys
Doris K. Kildale
1928-5-7
4983
Lake
5 miles E of Hough's Mineral Springs
Comment
UCD82474
Plagiobothrys bracteatus
Craig Thomsen; G. Harrington
2009-5-12
2852
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
UCD84519
Plagiobothrys bracteatus
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6070
Lake
Lake County. Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection.
647
Comment
HSC95798
Plagiobothrys fulvus
A. Skelly, G. McCabe, B. Bletcher
1996-3-30
24
Lake
5.3 mi. W of Walker Ridge Rd. on Indian Res. Rd.; 57 mi. E of Hwy. 101 on Hwy. 20. Beside Clear Creek
549
Comment
CHSC33093
Plagiobothrys nothofulvus
Teri Bartowski; Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
11
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
HSC66658
Plagiobothrys nothofulvus
Cathie Goldberg, Lauren Philbrick, Lynn Kunstman, Geoff Walsh
1980-4-19
2
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
UCD82471
Plagiobothrys nothofulvus
Craig Thomsen; G. Harrington
2009-5-12
2849
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
UC496333
Plagiobothrys reticulatus
Doris K. Kildale
1928-5-7
4983
Lake
5 mi e Hough's Mineral Springs
Comment
CHSC114998
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2015-4-28
20109
Lake
About 60 yards north of the south edge of the meadow, Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
CHSC78131
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2000-6-2
8440
Lake
In a meadow near a small wash, 100 feet northeast of Bartlett Springs road, about 400 yards southwest of the radio tower, about 1/4 mile west of Bartlett Springs Road and Walker Ridge Road, about 2 1/2 miles west of Bear Valley.
609
Comment
JEPS123896
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2015-4-28
20109
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
UCD82473
Plagiobothrys stipitatus var. stipitatus
Craig Thomsen; G. Harrington
2009-5-12
2850
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
HSC31306
Plagiobothrys tenellus
Carter Schleicher
1974-5-4
23
Colusa
0.75 mi. from T junction of Walker Ridge Rd. and Indian Valley, near Clyde Mine
854
Comment
HSC66664
Plagiobothrys tenellus
S. Harris, B. Ferguson, S. Smith
1980-4-19
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
JEPS61082
Plagiobothrys tener var. subglaber
W. L. Jepson
1920-5-23
8993
Lake
Indian Valley; ne Lake Co.
Comment
CHSC115208
Plantago erecta
Lowell Ahart
2015-4-28
20097
Lake
East of a small meadow, about 150 yards west of Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
696
Comment
HSC66597
Plantago erecta
Joanne Spitler, Debbie Stamp, Patty Powers, Cathy Railey, Cathy Macdonald
1980-4-19
11
Lake
Coldsprings Campground, along access road to Indian Valley Dam, across road from campground
Comment
JEPS123916
Plantago erecta
Lowell Ahart
2015-4-28
20097
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
JEPS6405
Plantago erecta
W. L. Jepson
1920-5-23
8997
Lake
Indian Valley, n Lake Co. Indian Valley
Comment
UCD82465
Plantago erecta
Craig Thomsen; G. Harrington
2009-5-12
2842
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
UCSC009425
Plantago erecta
Lowell Ahart
2015-4-28
20097
Lake
East of a small meadow, about 150 yards west of Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams
696
Comment
CHSC32934
Platystemon californicus
Cathie Goldberg; Lauren Philbrick, Lynn Kunstman, Geoff Walsh
1980-4-19
Lake
Coldsprings campground, along access road to Indian Valley Dam.
Comment
HSC66692
Platystemon californicus
Debbie Stamp, Patty Powers, Cathy Railey, Cathy Macdonald, Joanne Spilter
1980-4-19
2
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
HSC90038
Platystemon californicus
Andrew Enberg, Brad Penkala, Dan Scofield
1990-4-14
45
Lake
Blue Oak Campground, Indian Valley Reservoir Access Rd., 2.5 mi. NE of intersection with Walker Ridge Rd.
534
Comment
HSC90084
Platystemon californicus
Pamela Grefsrud, Marty Reed, Eileen Rohmer
1990-4-14
51
Lake
Blue Oak Campground, Indian Valley Reservoir Access Rd., 2.5 mi. NE of intersection with Walker Ridge Rd.
534
Comment
UCR139072
Plectritis brachystemon
E. Brower, S. Marubayashi, E. Perry
1997-3-30
024
Lake
Blue Oak Campground, Indian Valley Reservoir. 2.5 mi past intersection of access road and Walker Ridge Road
274
Comment
CDA21538
Plectritis ciliosa
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17088
Lake
North Coast Ranges; immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
HSC42192
Plectritis ciliosa
M. A. Baker
1977-4-24
209
Lake
Barrel Springs Campground.
701
Comment
HSC45702
Plectritis ciliosa
Sheila Logan
1978-4-23
109
Lake
Barrel Springs Campground.
701
Comment
HSC46061
Plectritis ciliosa
Catherine Chin
1978-4-23
41
Lake
Barrel Springs Campground.
701
Comment
HSC67107
Plectritis ciliosa
Teri Bartkowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
7
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
UCD82392
Plectritis ciliosa
Craig Thomsen; G. Harrington
2009-5-12
2835
Colusa
Colusa County. Walker Ridge. South of spur road en route to Eaton Springs, about 1/2 mile east of Walker Ridge Rd. About 200 yds south of road (ravine with spring below).
822
Comment
CHSC115194
Plectritis macrocera
Lowell Ahart
2015-4-28
20096
Lake
In the meadow, about 150 yards west of Barrel Spring Meadow, about 1/4miles (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
696
Comment
CHSC71006
Plectritis macrocera
Vernon Oswald; Lowell Ahart
1998-5-7
9007
Colusa
Barlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads.
524
Comment
HSC44300
Plectritis macrocera
Carolyn Sanford
1977-4-24
351
Lake
Barrel Springs Campground.
701
Comment
HSC44454
Plectritis macrocera
R. York
1978-4-23
143
Lake
Barrel Springs Campground.
701
Comment
HSC45519
Plectritis macrocera
M. Alcasas
1978-4-23
50
Lake
Barrel Springs Campground.
701
Comment
HSC66657
Plectritis macrocera
Cathie Goldberg, Lauren Philbrick, Lynn Kunstman, Geoff Walsh
1980-4-19
4
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
JEPS123918
Plectritis macrocera
Lowell Ahart
2015-4-28
20096
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
JEPS94195
Plectritis macrocera
Vernon Oswald and Lowell Ahart
1998-5-7
9007
Colusa
Bartlett Springs Rd. 2.1 mi. w. of Bear Valley Rd., 0.8 mi. e. of Sawtelle Valley & Grapevine Flat rds.
524
Comment
RSA0114869
Plectritis macrocera
Lowell Ahart
2015-4-28
20096
Lake
About 150 yards west of Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
CDA40146
Poa bulbosa
G. F. Hrusa, R. Gross, G. Holstein
2014-5-14
18599
Lake
North Coast Ranges; Silver Spur Ranch. Benmore Canyon Rd. in upper Benmore Canyon 1 1/2 mi. S of spillway at Indian Valley Reservoir.
528
Comment
HSC66648
Poa bulbosa
Cathie Goldberg, Lauren Philbrick, Geoff Walsh, Lynn Kunstman
1980-4-19
12
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
HSC86896
Poa bulbosa
Anthony J. Desch, Bryon Cariss
1988-4-16
24
Lake
6.1 mi. from Hwy. 20 on Walker Ridge Rd. in Blue Oak Campground.
579
Comment
HSC96802
Poa bulbosa
J. Carey, A. Hong, J. Leffingwell
1995-4-2
35
Lake
Blue Oak Recreation Site Campground.
537
Comment
RSA299478
Poa bulbosa
S. Harris, B. Ferguson, M. Moble, Marjorie Smith
1980-4-19
s.n.
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
UCD82444
Poa howellii
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5661
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
861
Comment
UCD82624
Poa pratensis
Craig Thomsen; G. Harrington
2009-5-12
2894
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
UCD82719
Poa pratensis
Craig Thomsen; G. Harrington
2009-5-14
2902
Colusa
Colusa County on Walker Ridge: Probably from Eaton Springs about one mile east of Walker Ridge Road.
Comment
UCD84517
Poa pratensis
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6068
Colusa
Colusa County. On Lake County border. Walker Ridge. Along Walker Ridge Road. Buck Flat.
872
Comment
UCD82731
Poa secunda
Craig Thomsen; G. Harrington
2009-5-14
2913
Colusa
Colusa County on Walker Ridge: about south of spur road, 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
UCD90886
Poa secunda subsp. secunda
John R. Davey
1967-12-2
90
Colusa
Border, ca. 5-6 miles WSW of Leesville, Bartlett Springs Road N of Baldy Mountain.
609
Comment
UC1552832
Pogogyne serpylloides
Frederica Bowcutt
1985-4-11
484
Lake
Walker Ridge aprrox. 10 miles E of Clear Lake and 45 miles NE of Santa Rosa W of Hwy 20 1/4 mile
Comment
UCD84524
Polygonum bolanderi
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6075
Lake
Lake County. Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection.
647
Comment
UCD84522
Polypogon monspeliensis
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6073
Lake
Lake County. Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection.
647
Comment
UCD83719
Populus fremontii subsp. fremontii
Joseph Schlottman; with PLB 102 class
2010-5-2
5
Colusa
East slope of Walker Ridge. Eaton Springs. Adjacent to main creek.
710
Comment
SEINET3892951
Potamogeton pectinatus
James L. Reveal, Caroline G. Reveal
1972-7-18
2787
Mono
Along California Highway 120, 3.4 miles west of U.S. Highway 6 at Benton, in a small lake south of the road 1.6 miles northeast of Benton Hot Springs.; 0
Comment
UC1261170
Potamogeton pectinatus
James L. Reveal, Caroline G. Reveal
1972-7-18
2787
Mono
3.4 mi w of U.S. Highway 6 at Benton (along Cal Hwy 120, 1.6 mi ne of Benton Hot Springs)
Comment
UCD82732
Potentilla
Craig Thomsen; G. Harrington
2009-5-14
2911
Colusa
Colusa County on Walker Ridge: south of spur road about 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
CDA9371
Potentilla glandulosa
G. F. Hrusa, R. Gross, G. Holstein
2014-5-14
18597
Lake
North Coast Ranges; Silver Spur Ranch. Benmore Canyon Rd. in upper Benmore Canyon 1 1/2 mi. S of spillway at Indian Valley Reservoir.
528
Comment
UCD163849
Prunus subcordata
Craig D. Thomsen
2000-6-7
2366
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
UCD84572
Prunus virginiana var. demissa
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6097
Colusa
Colusa County. On Lake County border. Walker Ridge. Along Walker Ridge Goad, between Cold spring and Buck Flat.
971
Comment
UCD159336
Pseudognaphalium californicum
D. S. Park; E. Dean
2010-6-5
120
Colusa
Walker ridge, Cold Spring Mt. roadside on exposed slope.
935
Comment
UCD84571
Pseudognaphalium californicum
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6096
Colusa
Colusa County. On Lake County border. Walker Ridge. Along Walker Ridge Goad, between Cold spring and Buck Flat.
971
Comment
UCD91510
Pseudoroegneria spicata
Freed W. Hoffman
1944-7-13
1964
Colusa
Western Colusa County. North Coast Ranges. Between Indian and Bear Valleys.
Comment
UCD82083
Psilocarphus tenellus
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5610
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
UCR138881
Psoralea californica
A. Burgard, J. Goldsmith, J. Kalt
1996-5-4
74
Colusa
8.4 mi north of Indian Reservoir Road on Walker Ridge Road; 57 mi east of Hwy 101 on Hwy 20
701
Comment
UCD84509
Quercus X morehus
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6060
Colusa
Colusa County. On Lake County border. Walker Ridge. Along Walker Ridge Road, between Cold Spring and Buck Flat.
971
Comment
HSC90049
Quercus berberidifolia
Pamela Grefsrud, Marty Reed, Eileen Rohmer
1990-4-14
56
Lake
Blue Oak Campground, Indian Valley Reservoir Access Rd., 2.5 mi. NE of intersection with Walker Ridge Rd.
534
Comment
UCD84511
Quercus berberidifolia
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6062
Colusa
Colusa County. On Lake County border. Walker Ridge. Along Walker Ridge Road, between Cold Spring and Buck Flat.
971
Comment
UCD82546
Quercus chrysolepis
Ellen Dean; G. Harrington, C. Thomsen,R. Wilmarth,Chiao-Yi Cheng
2009-5-20
5701
Colusa
Walker Ridge. Along Walker Ridge just S of turn-off to picnic area near Cold Spring.
1007
Comment
UCD83754
Quercus chrysolepis
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5951
Colusa
Walker Ridge. Along Walker Ridge Road. 10 road miles N of intersection with Hwy 20. Just N of radio tower at Cold Spring Mountain on border with Lake County.
971
Comment
CAS-BOT-BC86895
Quercus douglasii
Pat Daly; Rudy Galindo
1988-4-16
41
Lake
6.1 miles on Wlaker Ridge Road from Hwy. 20 to Blue Oak Campground
731
Comment
HSC89798
Quercus douglasii
L. Blackford, S. Branch, D. Malm
1988-4-16
65
Lake
6.1 mi. on Walker Ridge Road off Hwy 20 at Blue Oak campground
732
Comment
CAS-BOT-BC86195
Quercus dumosa
L. Blackford; S. Branch; D. Malm
1988-4-16
65
Lake
6.1 miles on Walker Ridge Rd. off highway 20 at Blue Oak Campground
731
Comment
UCD45869
Quercus dumosa
Hans G. Jung
1976-4-17
6
Colusa
California, Colusa County: 2 miles west of Bear Valley, on north end of Walker Ridge, T15N, R6W, sec. 11. Elevation 1800 feet.
548
Comment Read comments Apr 18 2009
CAS-BOT-BC79617
Quercus durata
N. Wynne; M. Peckham; J. Bamesberger
1994-4-23
31
Lake
Benmore Cnyn Quad., on access road to Indian Valley Res. approx one mi from Blue Oak Campground, approx 1.5 mi from
Comment
CHSC20714
Quercus durata
Robert A. Schlising
1962-5-4
2236
Lake
Along Bartlett Springs Road, 3.2 mi W of Jct with Bear Valley Road.
Comment
JEPS37341
Quercus durata
W. L. Jepson
1920-5-24
9025
Lake
e of Indian Valley
Comment
UCD163843
Quercus durata
Craig D. Thomsen
2000-6-1
s.n.
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
UCD45981
Quercus durata
D. Sanchez-Mata
1996-7-3
s.n.
Colusa
Williams. Walker Ridge. Wilburg Springs-Wintun Camp. Serpentine chaparral.
850
Comment
UCD84510
Quercus durata
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6061
Colusa
Colusa County. On Lake County border. Walker Ridge. Along Walker Ridge Road, between Cold Spring and Buck Flat.
971
Comment
UCD84514
Quercus durata
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6065
Colusa
Colusa County. On Lake County border. Walker Ridge. Along Walker Ridge Road, between Cold Spring and Buck Flat.
971
Comment
UCR52364
Quercus durata
L. Blackford, S. Branch, D. Malm
1988-4-16
62
Colusa
6.1 mi. on Walker Ridge Road off Hwy 20 at Blue Oak campground
732
Comment
CHSC48382
Quercus durata var. durata
Vernon Oswald
1986-5-12
2008
Colusa
Brim Rd. (Bartlett Springs Rd.) 1.8 mi w of Bear Valley Rd.
502
Comment
HSC27151
Quercus durata var. durata
J. P. Smith, J. O. Sawyer
1972-4-1
5163
Lake
6.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd.
Comment
HSC27288
Quercus durata var. durata
J. P. Smith, J. O. Sawyer
1972-4-1
5178
Lake
Wuntun Campground
Comment
HSC31697
Quercus durata var. durata
Thomas E. Higley
1974-5-4
64
Colusa
3/4 mi. N of T junction of Indian Valley.
854
Comment
HSC68210
Quercus durata var. durata
J. P. Smith, J. O. Sawyer
1972-4-1
5164
Lake
6.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd.
Comment
HSC98264
Quercus durata var. durata
Pamela Grefsrud, Marty Reed, Eileen Rohmer
1990-4-15
52
Lake
Indian Valley Reservoir Access Rd. 1.5 mi NE of intersection with Walker Ridge Rd.
689
Comment
UCSC010369
Quercus durata var. durata
Dylan M. Neubauer, Tim Forsell
2016-3-30
593
Colusa
(NCoRI) Walker Ridge, Bartlett Springs Road, 1.22 air-miles sse Baldy Mountain
899
Comment
HSC86782
Quercus lobata
Terry Hines, Ellen Purcell, N. Williams
1988-4-16
36
Lake
6.1 mi. on Walker Ridge Rd., Blue Oak Campground
732
Comment
CAS-BOT-BC104659
Quercus wislizeni
L. Blackford; S. Branch; D. Malm
1988-4-16
63
Colusa
13.8 miles of Hwy. 20 on Walker Ridge Road
975
Comment
CAS-BOT-BC104843
Quercus wislizeni
D. Haskamp; E. Sonnenblick; M. Taft
1995-5-6
47
Lake
Blue Oak campground on Walker Ridge Rd. Riparian area of Benmore Canyon Creek approx. 200 m W of campsites
Comment
CAS-BOT-BC234979
Quercus wislizeni var. frutescens
Ellen Dean; C. Thomsen; G. Harrington; R. Wilmarth; R. Wenk
2010-6-2
6064
Colusa
On Lake County border. Walker Ridge. Along Walker Ridge Road, between Cold Spring and Buck Flat
971
Comment
HSC27287
Quercus wislizeni var. frutescens
J. P. Smith, J. O. Sawyer
1972-4-1
5177
Lake
Wuntun Campground
Comment
HSC66646
Quercus wislizeni var. frutescens
Cathie Goldberg, Lauren Philbrick, Lynn Kunstman, Geoff Walsh
1980-4-19
16
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
SBBG83452
Quercus wislizeni var. frutescens
C. C. Shock
1980-5-3
77
Lake
Walker Ridge, 9.4 mi N of St Hwy 20
609
Comment
UCD84512
Quercus wislizeni var. frutescens
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6063
Colusa
Colusa County. On Lake County border. Walker Ridge. Along Walker Ridge Road, between Cold Spring and Buck Flat.
971
Comment
UCD84513
Quercus wislizeni var. frutescens
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6064
Colusa
Colusa County. On Lake County border. Walker Ridge. Along Walker Ridge Road, between Cold Spring and Buck Flat.
971
Comment
UCR52369
Quercus wislizeni var. frutescens
Terry Hines, Ellen Purcell, N. Williams
1988-4-16
49
Lake
13.8 mi. off Hwy 20 on Walker Ridge Road.
976
Comment
UCD159337
Rafinesquia californica
D. S. Park; E. Dean
2010-6-5
121
Colusa
Walker ridge, Cold Spring Mt. roadside on exposed slope.
935
Comment
UCD82383
Rafinesquia californica
Craig Thomsen; G. Harrington
2009-5-12
2824
Colusa
Colusa County. Walker Ridge. South of spur road en route to Eaton Springs, about 1/2 mile east of Walker Ridge Rd. About 200 yds south of road (ravine with spring below).
822
Comment
UCR138657
Rafinesquia californica
A. Burgard, J. Goldsmith, J. Kalt
1996-5-3
64
Lake
Blue Oak Campground. 5.3 mi west of Walker Ridge Road on Indian Reservoir Road. 57 mi east of Hwy 101 on Hwy 20
549
Comment
HSC66592
Ranunculus hebecarpus
S. Harris, B. Ferguson, M. Smith, M. Moble
1980-4-19
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
HSC40844
Ranunculus occidentalis
Richard G. Runyon
1977-4-24
25
Lake
Barrel Springs Campground
701
Comment
UCD63365
Ranunculus occidentalis
Daniel Sanchez-Mata; Emin Ugurlu
2006-6-19
s.n.
Lake
Leesville-Barkerville. Bartlett Springs Road.
Comment
UCD82500
Ranunculus occidentalis
Craig Thomsen; G. Harrington
2009-5-12
2859
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
UCD82511
Ranunculus occidentalis
Craig Thomsen; G. Harrington
2009-5-12
2869
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
UCD83757
Ranunculus occidentalis
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5953
Colusa
Colusa County. Walker Ridge. Along Walker Ridge Road, Buck Flat.
875
Comment
CHSC115380
Ranunculus occidentalis var. occidentalis
Lowell Ahart
2015-4-10
20017
Lake
Along a small drainage, on the north side of Brim Road, about 3 miles west of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
645
Comment
JEPS124245
Ranunculus occidentalis var. occidentalis
Lowell Ahart
2015-4-10
20017
Lake
About 3 miles west of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
GH51379
Rhamnus californica var. crassifolia
W. L. Jepson
1920-5-23
8974
Unknown
Ridge west of Bear Valley, western Colusa County
Comment
JEPS2828
Rhamnus californica var. crassifolia
W. L. Jepson
1920-5-23
8974
Colusa
ridge w Bear Valley; ; W of Bear Valley, Colusa Co.
Comment
CHSC88560
Rhamnus tomentella subsp. crassifolia
L. P. Janeway; B. Castro
2001-6-3
7096
Colusa
Inner North Coast Ranges. Spring near head of Doyle Canyon on east side of Walker Ridge, about 2.7 km (air) south of Bartlett Springs Road.
799
Comment
JEPS41964
Rhamnus tomentella subsp. crassifolia
W. L. Jepson
1920-5-23
8975
Colusa
hills w of Bear Valley (on grade over ridge to Indian Valley)
Comment
JEPS42053
Rhamnus tomentella subsp. crassifolia
J. D. Coffman
1923-6-4
Lake
between Bear Valley and Indian Valley (on Lake County side); Brim Hill
Comment
JEPS42072
Rhamnus tomentella subsp. crassifolia
J. D. Coffman
1923-9-28
Lake
between Bear Valley and Indian Valley (on Lake County side); Brim Hill
Comment
RSA28824
Rhamnus tomentella subsp. crassifolia
A. A. Heller
1916-6-6
12359
Colusa
Coast Range on the grade 3 miles W of Leesville.
Comment
UC1728659
Rhamnus tomentella subsp. crassifolia
Richard Olmstead
1986-6-14
854
Lake
1.3 mi from jct of Bartlett Spring Road and Walker Ridge Road
560
Comment
UC870844
Rhamnus tomentella subsp. crassifolia
A. A. Heller
1916-6-6
12359
Colusa
about 3 mi w Leesville (on the grade); Coast Range
Comment
HSC27284
Rhus aromatica
J. P. Smith, J. O. Sawyer
1972-4-1
5174
Lake
Wuntun Campground
Comment
HSC62926
Rhus aromatica
Marla J. Carollo
1979-4-14
26
Colusa
Buch Flat on Walker Ridge Rd.
884
Comment
HSC63082
Rhus aromatica
David Wheeler
1979-4-14
63
Colusa
Buck Flat, Walker Ridge, on the way to Barrel Springs.
884
Comment
UCD82135
Rhus aromatica
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5667
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
869
Comment
UCD15256
Rhus diversiloba
R. A. Harris
1974-5-5
051
Colusa
Robberts Flat, off of Bartlett Springs road.
487
Comment
HSC85827
Ribes californicum
David Munger, Tallchief Comet, Jeff Dunk
1987-4-11
50
Lake
Blue Oak Campground out Walker Ridge Rd. off Hwy. 20 E
Comment
HSC85947
Ribes californicum
Michalski, Hopson, Raum
1987-4-21
47
Lake
Blue Oak Campground, 8 mi. N of Hwy. 20 on Walker Ridge Rd., S and E of Indian Valley Reservoir
Comment
HSC89690
Ribes californicum
William E. Avery, Mathew Henry Bergvall-Mensor, Steve Wilson
1989-4-15
Lake
7.7 mi. N of Hwy. 20, just W of Walker Ridge Rd., Blue Oak Campground
152
Comment
HSC101455
Ribes californicum var. californicum
Heather Nichols, Bryan Wassom, Jeff Ennor
1999-3-27
3
Lake
Blue Oak Campground; 8 miles off Hwy. 20 on Walker Ridge Road
537
Comment
HSC95560
Ribes californicum var. californicum
A. Hove, A. Poteet, C. Sanville
1999-3-27
10
Lake
Walker Ridge Rd., 1/4mi W of Blue Oak Recreation Area
537
Comment
HSC97661
Ribes californicum var. californicum
A. Miles, B. Gibbs, M. Malle
1999-3-27
6
Lake
8 mi. off Hwy. 20, 200m W on Walker Ridge Rd. from campsite, Blue Oak Recreation Area
537
Comment
UCR138746
Ribes californicum var. californicum
A. Skelly, G. McCabe, B. Bletcher
1996-3-30
05
Lake
Benmore Canyon, 5.3 mi west of Walker Ridge Rd. on Indian Reservation Rd., 57 mi east of Hwy 101 on Hwy 20. Along roadside near campground entrance
549
Comment
CAS-BOT-BC168908
Ribes malvaceum
Ananda Dickie; Wendy Hooper; Rose Madrone; Kyla Waddell
1996-3-30
19
Lake
1.6 mi. west of Bear Valley rd. and Brim Rd. on Brim Rd.; 14.7 mi. on Walker Ridge Rd. to Brim Rd.; 57 mi. east of Hwy. 20.
493
Comment
CDA11010
Ribes malvaceum
G. F. Hrusa
1993-3-6
10521
Lake
North Coast Biodiversity Arena; Approx. 0.5 m E of Indian Valley Res. on slopes above Indian Creek.
539
Comment
HSC44275
Ribes malvaceum
Barbara Kelly
362
Colusa
1 mi.. from intersection of Bartlett Springs Rd. and Grapevine Spring Rd. on Walker Ridge Rd.
Comment
HSC45683
Ribes malvaceum
Patricia Shesgreen
1978-4-23
53
Lake
Barrel Springs Campground
701
Comment
HSC85825
Ribes malvaceum
David Munger, Tallchief Comet, Jeff Dunk
1987-4-11
53
Lake
Blue Oak Campground out Walker Ridge Rd. off Hwy. 20 E
Comment
UCD97118
Ribes malvaceum
Ellen Dean; G. Harrington, J. Alderson
2011-4-10
6901
Colusa
Along Brim Rd on east slope of Walker Ridge (Brim Rd becomes Bartlett Springs Rd).
438
Comment
HSC94175
Ribes malvaceum var. malvaceum
A. Skelly, G. McCabe, B. Bletcher
1996-3-30
4
Colusa
1.6 mi. W of Bear Valley Rd. and Brim Rd. on Brim Rd., 14.7 mi. on Walker Ridge Rd. to Brim Rd., 57 mi. E of Hwy. 101 on Hwy. 20, Leesville
Comment
HSC95340
Ribes malvaceum var. viridifolium
A. Hove, A. Poteet, C. Sanville
1999-3-27
11
Lake
Brim Rd. 0.5 mi off Walker Ridge Rd
661
Comment
CHSC115201
Rigiopappus leptocladus
Lowell Ahart
2015-4-28
20108
Lake
By the rock barrier, Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
696
Comment
HSC25614
Rigiopappus leptocladus
J. P. Smith, J. O. Sawyer
1971-6-6
4731
Lake
0.75 mi. N of Clyde Mine, Walker Ridge Rd.
Comment
HSC45741
Rigiopappus leptocladus
Stephen Plant
1978-4-23
222
Lake
Barrel Springs Campground
701
Comment
JEPS123899
Rigiopappus leptocladus
Lowell Ahart
2015-4-28
20108
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
JEPS34844
Rigiopappus leptocladus
W. L. Jepson
1920-5-23
8986 a
Lake
Indian Valley Indian Valley (ne Lake County)
Comment
CHSC88586
Rosa californica
L. P. Janeway; B. Castro
2001-6-3
7097
Colusa
Inner North Coast Ranges. Spring at Grapevine Flat, on top of Walker Ridge about 0.8 km east of Baldy Mountain.
884
Comment
JEPS106501
Rosa californica
L. P. Janeway, B. Castro
2001-6-3
7097
Colusa
Inner North Coast Ranges. Spring at Grapevine Flat, on top of Walker Ridge about 0.8 km east of Baldy Mountain
884
Comment
UC666171
Rubus ursinus
H. P. Olmo and S. W. Brown
1941-6-5
41053
Lake
bog along state hgwy 20; Upper Clear Lake Region, Cold Spring; Cold Spring, Clear Lake Region, Lake Co.
Comment
UC666173
Rubus ursinus
H. P. Olmo and S. W. Brown
1941-6-5
41053
Lake
Cold Spring, State Highway 20 Upper Clear Lake Region; Cold Spring, upper Clear Lake region, Lake Co.
Comment
UCD82155
Rumex conglomeratus
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5681
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
843
Comment
UCD163344
Rumex salicifolius
Craig D. Thomsen
2007-7-31
s.n.
Colusa
Walker Ridge. East of Eaton Springs en route to Rathburn Mine.
Comment
UCD81731
Rumex salicifolius
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5733
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
864
Comment
CDA24951
Salix breweri
G. F. Hrusa, R. Gross
2008-5-23
17416
Lake
North Coast Ranges; N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir.
408
Comment
UC1356325
Salix breweri
Theodore J. Crovello
1965-4-26
686
Colusa
along Bartlett Springs Rd. 2.5 mi w junction with Bear Valley Road
Comment
UCD162977
Salix breweri
Jack Major
1963-5-4
s.n.
Colusa
In stream, west of Bear Valley on Bartlett Springs Road. (Exact location unknown. Coordinates estimated by label maker.)
518
Comment
UCD163852
Salix breweri
Craig D. Thomsen
2000-6-7
2368 a
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
UCD81722
Salix breweri
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5726
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
UCD163851
Salix laevigata
Craig D. Thomsen
2000-6-7
2368 b
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
UCD82128
Salix laevigata
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5658
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
UCD163850
Salix lasiolepis
Craig D. Thomsen
2000-6-7
2367
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
HSC25719
Salvia columbariae
J. P. Smith, J. O. Sawyer
1971-6-6
4719
Lake
0.75 mi. N of Clyde Mine, Walker Ridge Rd.
Comment
HSC87083
Salvia columbariae
L. Blackford, S. Branch, D. Malm
1988-4-16
48
Colusa
6.1 mi. on Walker Ridge Road off Hwy 20 at Blue Oak campground
732
Comment
RSA245248
Salvia columbariae
J. P. Smith, J. O. Sawyer
1971-6-6
4719
Lake
0.75 mi. north of Clyde Mine; Walker Ridge Road.
Comment
UCD83684
Sambucus nigra subsp. caerulea
John Rosenthal; with PLB 102 class
2010-5-2
5
Colusa
East slope of Walker Ridge. Eaton Springs area. Growing one foot off of road leading into Eaton Springs Meadow. North side of the road.
716
Comment
HSC45697
Sanicula bipinnata
Christopher Knopp
1978-4-23
23
Lake
Barrel Springs Campground
701
Comment
CAS-BOT-BC230039
Sanicula bipinnatifida
Craig Thomsen; G. Harrington
2009-5-12
2837
Colusa
On Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
CHSC33050
Sanicula bipinnatifida
Joanne Spitler; Patty Powers, Debbie Stamp, Cathy Railey, Cathy Ma
1980-4-19
6
Lake
Coldsprings Campground, along access road to Indian Valley Dam. On the lower slopes of the campground.
Comment
HSC66015
Sanicula bipinnatifida
Teri Bartkowski, Shane Feusier, Ruth Takaki, Carol Zimmerer
1980-4-19
2
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
HSC66028
Sanicula bipinnatifida
S. Harris, B. Ferguson, M. Smith, M. Moble
1980-4-19
Lake
Along Walker Ridge Rd., 1 mi. N of junction with access road to Indian Valley Dam
Comment
UCD82459
Sanicula bipinnatifida
Craig Thomsen; G. Harrington
2009-5-12
2837
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
UCR138874
Sanicula bipinnatifida
D. Haskamp, E. Sonnenblick, M. Taft
1995-4-2
6
Lake
Blue Oak camground, 50 m west of Indian Valley Access Rd., 5 m south of Benmore Canyon Creek
541
Comment
CDA21545
Sanicula crassicaulis
G. F. Hrusa, R. Gross
2008-5-23
17418
Lake
North Coast Ranges; N-facing slope above N. Fk. Cache Cr. +/- 1 mi. below spillway of Indian Valley Reservoir.
408
Comment
CHSC101537
Sanicula crassicaulis
G. F. Hrusa; R. Gross
2008-5-23
17418
Lake
N-facing slope above North Fork Cache Creek +/- 1 mile below spillway of Indian Valley Reservoir.
408
Comment
HSC69915
Sanicula crassicaulis
Thomas W. Nelson, Jane P. Nelson
1978-4-2
3871
Lake
Along Walker Ridge Rd., 6 mi. N of junction with Hwy. 20
Comment
HSC91349
Sanicula crassicaulis
Amy Austin, Tony LaBanca, Noreen McClintock
1990-4-14
31
Lake
Blue Oak Campground on Indian Valley Reservoir Rd., 2.5 mi. NE of intersection with Walker Ridge Rd.
534
Comment
UCD82730
Sanicula crassicaulis
Craig Thomsen; G. Harrington
2009-5-14
2912
Colusa
Colusa County on Walker Ridge: about 200 yds. south of spur road, 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
HSC27158
Sanicula tuberosa
J. P. Smith, J. O. Sawyer
1972-4-1
5157
Lake
6.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd.
Comment
HSC69917
Sanicula tuberosa
Thomas W. Nelson, Jane P. Nelson
1978-4-2
3870
Lake
Along Walker Ridge Rd., 6 mi. N of junction with Hwy. 20
Comment
HSC91398
Sanicula tuberosa
Amy Austin, Tony LaBanca, Noreen McClintock
1990-4-14
32
Lake
Blue Oak Campground on Indian Valley Reservoir Rd., 2.5 mi. NE of intersection with Walker Ridge Rd.
534
Comment
UCD82528
Sanicula tuberosa
Craig Thomsen; G. Harrington
2009-5-12
2884
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. East-facing hillslope above (west border) Eaton Springs meadow complex.
722
Comment
UCR139071
Saxifraga californica
E. Brower, S. Marubayashi, E. Perry
1997-3-30
025
Lake
Blue Oak Campground, Indian Valley Reservoir. 2.5 mi past intersection of access road and Walker Ridge Road
274
Comment
CDA22940
Scandix pecten-veneris
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17118
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
CHSC101551
Schedonorus arundinaceus
G. F. Hrusa; R. Gross
2008-5-23
17421
Lake
N-facing slope above North Fork Cache Creek +/- 1 mile below spillway of Indiana Valley Reservoir. near old resort site.
408
Comment
UCD84582
Scleranthus annuus
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6107
Lake
Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection. Meadow on south side of road.
647
Comment
CDA20428
Scribneria bolanderi
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17107
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
CHSC101528
Scribneria bolanderi
G. F. Hrusa; R. Gross, L. Houser
2008-4-11
17107
Lake
Open chaparral slopes with woodland on N faces immediately below Indian Valley Reservoir spillway into North Fork Cache Creek tailrace.
396
Comment
CHSC115002
Scribneria bolanderi
2015-4-28
20107
Lake
Along poor dirt road by the rock barrier, Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
696
Comment
JEPS123898
Scribneria bolanderi
Lowell Ahart
2015-4-28
20107
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
JEPS21848
Scribneria bolanderi
John R. Swanson
1958-4-26
308
Colusa
1.4 mi w of Bear Valley (on road toward Bartlett Springs)
609
Comment
UCD163345
Scribneria bolanderi
Craig D. Thomsen
2000-5-11
2351
Colusa
Walker Ridge. Buck Flat.
129
Comment
UCD83760
Scribneria bolanderi
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5956
Colusa
Colusa County. Walker Ridge. Along Walker Ridge Road, Buck Flat.
875
Comment
UCD82132
Scrophularia californica
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5660
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
861
Comment
UCD82729
Scutellaria
Craig Thomsen; G. Harrington
2009-5-14
2910 b
Colusa
Colusa County on Walker Ridge: about 200 yds. south of spur road, 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
CDA21512
Scutellaria californica
G. F. Hrusa, R. Gross
2008-5-23
17446
Lake
North Coast Ranges; Slope above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir.
408
Comment
CHSC101554
Scutellaria californica
G. F. Hrusa; R. Gross
2008-5-23
17446
Lake
N-facing slope above N. Fk. Cache Cr. +/- 1/2 mile below spillway of Indian Valley Reservoir.
408
Comment
UCD81706
Scutellaria californica
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5714
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
UCD82582
Scutellaria californica
Craig D. Thomsen; J. Wiegand, S. Harrison, G. Harrington, A. Fulks
2008-4-22
2727
Colusa
Walker Ridge. Eaton Springs, 4 mi N of Hwy 20, ca. 1.5 mi E of Walker Ridge Rd.
609
Comment
CHSC71432
Scutellaria siphocampyloides
Vernon H. Oswald; Lowell Ahart
1998-7-15
9289
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd. Along the edge of an intermittent stream.
640
Comment
JEPS62909
Scutellaria siphocampyloides
W. L. Jepson
1920-5-23
8992
Lake
Indian Valley, ne Lake County Indian Valley
457
Comment
JEPS93798
Scutellaria siphocampyloides
Vernon H. Oswald and Lowell Ahart
1998-7-15
9289
Lake
0.8 mi s of Bartlett Springs Road (e side of county near Barrel Spring on e side of Baldy Mountain and w of Walker Ridge Road); Baldy Mountain
640
Comment
SBBG118101
Scutellaria siphocampyloides
C. Bornstein, E. Collins, R. Lutsko
2004-6-18
Lake
Bartlett Springs Rd, W of Walker Ridge Rd
618
Comment
UC725278
Scutellaria siphocampyloides
A. A. Heller
1916-6-8
12386
Lake
between Hough's Springs and Colusa County line
Comment
UC884232
Scutellaria siphocampyloides
A. A. Heller
1916-6-8
12386
Lake
between Hough's Springs and Colusa County line
Comment
UCD163353
Scutellaria siphocampyloides
Craig D. Thomsen
2000-5-11
2347
Lake
Walker Ridge. Cold Springs area, BLM campground.
Comment
UCD81728
Scutellaria siphocampyloides
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5730
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
864
Comment
UCD84579
Scutellaria siphocampyloides
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6104
Lake
Walker Ridge. Along Bartlett springs road just west of Walker Ridge Rd intersection. Meadow on south side of road.
647
Comment
HSC41832
Scutellaria tuberosa
Rick Cooper
1977-4-24
46
Lake
Along Walker Ridge Rd. above Barrel Springs Campground
701
Comment
UCD83449
Scutellaria tuberosa
Craig Thomsen; G. Harrington
2009-5-14
2897
Colusa
Colusa County on Walker Ridge: South of spur road connecting Walker Ridge Rd and Eaton Springs.
710
Comment
CDA26526
Sedum spathulifolium
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17112
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
HSC31404
Senecio aronicoides
Maralyn O'Meara, Gary S. Lester
1974-5-4
353
Lake
Walker Ridge Rd., 1.5 mi. N from junction with Little Indian Valley Rd., 0.2 mi. S from Cold Spring Mtn.
1098
Comment
UCD82734
Senecio aronicoides
Craig Thomsen; G. Harrington
2009-5-14
2915
Colusa
Colusa County on Walker Ridge: about 200 yds. south of spur road, 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
762
Comment
GH11914
Senecio clevelandii
D. Cleveland
1882-06-01 - 1882-07-01
Unknown
Indian Valley
Comment
RSA700356
Senecio clevelandii
L. P. Janeway, B. Castro
2001-6-3
7103
Colusa
At Buck Flat: East side of Walker Ridge at head of Gaither Canyon; about 1.3 km. south-southeast of Baldy Mountain.
872
Comment
RSA700358
Senecio clevelandii
L. P. Janeway
2001-6-6
7112
Colusa
Eaton Springs, about 2.4 km. east of Walker Ridge Road.
713
Comment
SEINET13710303
Senecio clevelandii
Lowell William Ahart, Lowell William Ahart
2003-1
10393
Lake
Serpentine Area at Barrell Spring, 2 Mi. W of Bear Valley (39 Deg 08'51.2"N, 122 Deg 28'41.5"W) 1302 Ft.
397
Comment
UCR37893
Senecio greenei
C. G. Phillips, L. Cole, S. A. Haultain, K. B. Barrows
1984-4-28
19
Lake
Walker Ridge, Indian Valley Access Road, 1.1 mi. north of Blue Oak Campground, Wilbur Springs 15' Q.
854
Comment
CDA21517
Senecio vulgaris
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17092
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
CHSC70984
Sidalcea diploscypha
Vernon Oswald; Lowell Ahart
1998-5-7
9003
Colusa
Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads.
524
Comment
CHSC71437
Sidalcea diploscypha
Vernon H. Oswald; Lowell Ahart
1998-7-15
9293
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
HSC87050
Sidalcea diploscypha
L. Blackford, S. Branch, D. Malm
1988-4-16
67
Colusa
2 mi. W on Brim Rd. from corner of Brim Rd. and Bear Valley Rd.
518
Comment
JEPS94196
Sidalcea diploscypha
Vernon Oswald and Lowell Ahart
1998-5-7
9003
Colusa
Bartlett Springs Rd. 2.1 mi. w. of Bear Valley Rd., 0.8 mi. e. of Sawtelle Valley and Grapevine Flat Rds.
524
Comment
JEPS97937
Sidalcea diploscypha
Vernon H. Oswald
1998-7-15
9293
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
UCD82533
Sidalcea diploscypha
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5685
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
843
Comment
UCR37889
Sidalcea diploscypha
C. G. Phillips, K. B. Barrows, L. Cole, S. A. Haultain
1984-4-28
20
Lake
Walker Ridge, Indian Valley Access Road, 1.1 mi. north of Blue Oak Campground, Wilbur Springs 15' Q.
854
Comment
UCR39817
Sidalcea diploscypha
K. Faber, Scott LaChance, Mike Rekart
1984-4-28
9
Lake
Indian Valley access road, NE of Clearlake.
854
Comment
UCR52397
Sidalcea diploscypha
N. Williams, Terry Hines, Ellen Purcell
1988-4-16
53
Colusa
2 mi W on Brim Rd. from Bear Valley Rd. intersection
518
Comment
POM298624
Sidalcea glaucescens
Lincoln Constance, R. H. Shan
1946-6-2
3074
Lake
Bartlett Springs Road, 4.5 miles southwest of Leesville.
549
Comment
JEPS50057
Sidalcea hartwegii
W. L. Jepson
1920-5-23
8987
Lake
Indian Valley Indian Valley (ne Lake Co.)
Comment
RSA42336
Sidalcea hartwegii
Lincoln Constance, R. H. Shan
1946-6-2
3074
Lake
Bartlett Springs Road, 4.5 miles southwest of Leesville.
549
Comment
UCD163840
Sidalcea hartwegii
Craig D. Thomsen
2001-4-12
2470
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
UCD82538
Sidalcea hartwegii
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5691
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
817
Comment
UC735122
Sidalcea hirsuta
Lincoln Constance and Ren Hwa Shan
1946-6-2
3074
Lake
Bartlett Springs Road 4.5 mi sw Leesville; sw of Leesville
548
Comment
UC584175
Sidalcea keckii
J. Clausen
1935-5-20
1013
Colusa
on Bartlett Springs road 18 mi w Williams; w of Williams
Comment
UC120153
Silene californica
D. C.
1882-7-1
Lake
Indian Valley
Comment
UCR37526
Silene californica
P. Williams, B. Kearney, M. Malamus
1984-4-28
7
Lake
Blue Oak Campground
610
Comment
UCD163341
Silene campanulata
Craig D. Thomsen
2009-5-3
2812
Lake
Walker Ridge, just south of Cold Spring Mountain 6.5 miles north of Hwy 20. Vicinity of Walker Ridge Rd. Along fire break road, just south of guard rail. View of Indian Valley Reservoir to the north.
1066
Comment
HSC41944
Silene campanulata subsp. glandulosa
Richard G. Runyon
1977-4-24
29
Lake
Barrel Springs Campground
701
Comment
UCD81714
Silene campanulata subsp. glandulosa
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5720
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
HSC66653
Silene laciniata subsp. californica
Cathie Goldberg, Lauren Philbrick, Lynn Kunstman, Geoff Walsh
1980-4-19
7
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
HSC85786
Silene laciniata subsp. californica
Rob Marheine, Tim Tilghman, Bruce Delgado
1987-4-10
Lake
8 mi. N of Hwy. 20 on Walker Ridge Rd., Blue Oaks Campground
Comment
HSC85826
Silene laciniata subsp. californica
David Munger, Tallchief Comet, Jeff Dunk
1987-4-11
47
Lake
Blue Oak Campground out Walker Ridge Rd. off Hwy. 20 E
Comment
HSC89786
Silene laciniata subsp. californica
Pat Daly, Rudy Galindo
1988-4-16
43
Lake
6.1 mi. on Walker Ridge Rd. from Hwy. 20 to Blue Oak Campground
732
Comment
CHSC114941
Sisyrinchium bellum
Lowell Ahart
2015-4-10
20012
Colusa
In a small meadow, on the south side of Brim Road, about 2 miles west of the intersection of Bear ValleyRoad and Brim Road, about 17 miles (air) west of Williams. Meadow in Chaparral.
500
Comment
HSC31314
Sisyrinchium bellum
Carter Schleicher
1974-5-4
27
Colusa
0.75 mi. from T junction of Walker Ridge Rd. and Indian Valley, near Clyde Mine
854
Comment
HSC45520
Sisyrinchium bellum
M. Alcasas
1978-4-23
53
Lake
Barrel Springs Campground.
701
Comment
HSC66057
Sisyrinchium bellum
Cathie Goldberg, Lynn Kunstman, Lauren Philbrick, Geoff Walsh
1980-4-19
43
Lake
Along Walker Ridge Rd., 1 mi. N of its junction with access road to Indian Valley Dam
Comment
JEPS124213
Sisyrinchium bellum
Lowell Ahart
2015-4-10
20012
Colusa
About 2 miles west of the intersection of Bear Valley Road and Brim Road, about 17 miles (air) west of Williams.
Comment
UCD82502
Sisyrinchium bellum
Craig Thomsen; G. Harrington
2009-5-12
2861
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
UCR139084
Sisyrinchium bellum
A. Skelly, G. McCabe, B. Bletcher
1996-5-4
37
Colusa
8.4 mi north of Indian Res. Road, on Walker Ridge Road; 57 mi east of Hwy 101 on Hwy 20
701
Comment
CHSC32938
Solanum parishii
Debbie Stamp; J. Spilter, C. Railey, P. Powers, C. Macdonald
1980-4-19
4
Lake
Coldsprings Campground, along access road to Indian Valley Dam. On the lower slopes of the campground.
Comment
HSC41467
Solanum parishii
Richard Runyon
1977-4-24
35
Colusa
Along Walker Ridge Rd. above Barrel Springs Campground
701
Comment
HSC41848
Solanum parishii
N. G. Sugihara
1977-4-24
38
Colusa
Walker Ridge Rd. above Barrel Springs Campground
701
Comment
HSC42017
Solanum parishii
M. A. Baker
1977-4-24
222
Colusa
Walker Ridge Rd. above Barrel Springs Campground
701
Comment
HSC66660
Solanum parishii
D. Boyd, M. Eichelberger, Tim Messick, T. Ranker
1980-4-19
1
Lake
Coldsprings Campground, along access rd. to Indian Valley Dam
Comment
HSC85796
Solanum parishii
Rob Marheine, Bruce Delgado, Tim Tilgham
1987-4-10
Lake
8 mi. N of Hwy. 20 on Walker Ridge Rd.; 50 ft off W side of rd., opposite Blue Oak Campground
Comment
HSC86899
Solanum parishii
L. Blackford, S. Branch, D. Malm
1988-4-16
39
Lake
6.1 mi. on Walker Ridge Rd. off Hwy. 20 at Blue Oak Campground
732
Comment
UCD126971
Solanum parishii
Cathie Goldberg; Lauren Philbrick, Lynn Kunstman, Geoff Walsh
1980-4-19
s.n.
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
UCD84438
Solanum parishii
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6048
Colusa
Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here.
817
Comment
UCD82441
Solidago velutina subsp. californica
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5668
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
869
Comment
UCD82104
Sonchus asper
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5631
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
CHSC101235
Stachys ajugoides var. rigida
G. F. Hrusa; R. Gross
2008-5-23
17445
Lake
N-facing slope above N. Fork Cache Creek +/- 1/2 mile below spillway of Indian Valley Reservoir.
408
Comment
CHSC106246
Stachys albens
B. Castro; L. P. Janeway
2001-6-3
1256
Colusa
Inner North Coast Ranges. Spring at Grapevine flat, on top of Walker Ridge about 0.5 mi E of Baldy Mountain. East-facing slope/bench with large springy/meadowy area.
880
Comment
CHSC71433
Stachys albens
Vernon H. Oswald; Lowell Ahart
1998-7-15
9268
Colusa
Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd.
487
Comment
CDA21525
Stachys rigida
G. F. Hrusa, R. Gross
2008-5-23
17445
Lake
North Coast Ranges; Slope above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir.
408
Comment
UCD112598
Stellaria nitens
Christopher Mallek
2008-4-17
WR2- 2
Colusa
Walker Ridge. Border of Colusa and Lake Counties.
802
Comment
UCD84552
Stephanomeria
Ellen Dean; C. Thomsen, T. Hansen, and windfarm meeting
2010-6-11
6150
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones spring area on W side of road. Ca 6.5 road miles N of junction with Hwy 20. W side of road.
833
Comment
GH422017
Streptanthus breweri
L. Constance & R. H. Shan
1946-6-2
3075
Unknown
Bartlett Springs road 4.5 miles southwest of Leesville
548
Comment
JEPS96910
Streptanthus breweri
Dean W. Taylor
1998-6-23
16706
Colusa
Walker Ridge, along BLM access road
929
Comment
UCD110407
Streptanthus breweri
Daniel Slakey; CNPS volunteers
2011-6-12
3
Colusa
Walker Ridge. Brim Rd., 1/4 mile E of Walker Ridge Rd. Population extends about 1 mile farther east.
647
Comment
UCD158696
Streptanthus breweri
James A. Neilson Jr.
1983-6-18
4101
Lake
Walker Ridge. Crest located 0.5 mi S of Cold Spring Mtn.
1066
Comment
UCD164316
Streptanthus breweri
Ryan O'Dell
2010-7-1
s.n.
Colusa
UTM zone 10, 545440 4334598. [UTM coordinates place this location on east side of Walker Ridge along Bartlett Springs Road.]
Comment
CHSC71421
Streptanthus breweri var. breweri
Vernon H. Oswald; Lowell Ahart
1998-7-15
9301
Lake
East side of county on Walker Ridge Rd. 6.2 mi south of Bartlett Springs Rd., 8.3 mi north of Hwy. 20.
1036
Comment
CHSC98702
Streptanthus breweri var. breweri
L. P. Janeway
2007-6-17
9057
Lake
Inner North Coast Ranges. Along dirt road 0.3 km northwest of Bartlett Springs Road and Indian Valley Reservoir; about 5.6 air km east of Hough Springs.
500
Comment
JEPS93793
Streptanthus breweri var. breweri
Vernon H. Oswald and Lowell Ahart
1998-7-15
9301
Lake
e side of county on Walker Ridge Road 6.2 mi s of Bartlett Springs Road (8.3 mi n of Highway 20); Walker Ridge Road
1036
Comment
UC1492726
Streptanthus breweri var. breweri
Freed W. Hoffman
1950-6-30
3435
Lake
e Indian Valley (14.5 mi e of Bartlett Springs); North Coast Ranges, Complexion Creek
Comment
UC735119
Streptanthus breweri var. breweri
Lincoln Constance and Ren Hwa Shan
1946-6-2
3075
Lake
Bartlett Springs rd 4.5 mi sw Leesville
548
Comment
UCD82160
Streptanthus breweri var. breweri
Ellen Dean; G. Harrington, C. Thomsen,R. Wilmarth,Chiao-Yi Cheng
2009-5-20
5693
Colusa
Walker Ridge. Til Jones Spring area along Walker Ridge Road.
833
Comment
UCD82450
Streptanthus breweri var. breweri
Ellen Dean; G. Harrington, C. Thomsen,R. Wilmarth,Chiao-Yi Cheng
2009-5-20
5693
Colusa
Walker Ridge. Til Jones Spring area along Walker Ridge Road.
833
Comment
CHSC71422
Streptanthus drepanoides
Vernon H. Oswald; Lowell Ahart
1998-7-15
9275
Colusa
Bartlett Springs Rd. 2.6 mi west of Bear Valley Rd., 0.3 mi east of Sawtelle Valley and Grapevine Flat roads. On a roadcut.
624
Comment Read comments Jul 24 2018
JEPS93866
Streptanthus drepanoides
Vernon H. Oswald and Lowell Ahart
1998-7-15
9275
Colusa
Bartlett Springs Road 2.6 mi w of Bear Valley Road (0.3 mi e of Sawtelle Valley and Grapevine Flat Roads)
624
Comment Read comments Jul 24 2018
CAS-BOT-BC87117
Streptanthus glandulosus subsp. glandulosus
Barbara Sherfey
1963-3-1
s.n.
Lake
2 miles east (up the canyon) from Indian Valley on road to Bartlett Springs.
Comment
JEPS16222
Streptanthus glandulosus subsp. glandulosus
Rimo Bacigalupi and Arthur Holmgren
1950-4-26
3183
Colusa
burned slope just w base of grade to Indian Valley (Bartlett Mt. Road) (just w of Bear Valley); Inner North Coast Ranges
Comment
UC1053422
Streptanthus glandulosus subsp. glandulosus
Rimo Bacigalupi and Arthur Holmgren
1950-4-26
3183
Colusa
burned slope just w base of the grade to Indian Valley (Bartlett Mt. Rd.) (just w of Bear Valley); Inner North Coast Ranges
Comment
UCR71158
Streptanthus morrisonii subsp. morrisonii
L. F. LaPre
1986-5-30
s.n.
Colusa
Bartlet Springs Rd. 0.3 mi east of Lake Co. line
622
Comment
UCR141627
Styrax officinalis var. californicus
Roman Gankin
1959-4-19
330
Colusa
Along road to Walker Ridge from Bear Valley
Comment
CHSC71005
Styrax officinalis var. redivivus
Vernon Oswald; Lowell Ahart
1998-5-7
8996
Colusa
Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd.
487
Comment
JEPS16208
Styrax officinalis var. redivivus
Rimo Bacigalupi and Arthur Holmgren
1950-4-26
3187
Lake
on Bartlett Mt. Road grade up over first ridge w Bear Valley (just w of Colusa-Lake County line); Inner North Coast Ranges, w of Bear Valley
Comment
UC1053471
Styrax officinalis var. redivivus
Rimo Bacigalupi and Arthur Holmgren
1950-4-26
3187
Lake
on Bartlett Mt. Road grade up over first ridge w Bear Valley (just w of Colusa-Lake County line); Inner North Coast Ranges
Comment
HSC60473
Styrax redivivus
J. P. Smith
1977-4-24
9039
Colusa
Along Walker Ridge Rd. above Barrel Springs Campground
701
Comment
HSC92105
Styrax redivivus
John Cromwell, Julie Schneider, A. Thoele
1994-4-23
42
Lake
Walker Ridge, below intersection of Walker Ridge Rd. and Bartlett Springs Rd. about 1.0 mi. down Brim Grade
610
Comment
POM332465
Styrax redivivus
J. P. Smith
1977-4-24
9039
Colusa
Along Walker Ridge Road above Barrel Springs Campground.
701
Comment Read comments Jul 31 2014
RSA388855
Styrax redivivus
Clinton C. Shock
1980-5-3
68
Colusa
2 miles W of base of Bear Valley, 14.6 miles north of State Hwy 20. East of Walker Ridge.
488
Comment
UCD119103
Styrax redivivus
Roman Gankin
1965-5-5
518
Colusa
On Bartlett Springs Road from Bear Valley, ca. 2 miles west of junction with Lodoga Road.
Comment
UCD163316
Styrax redivivus
Craig D. Thomsen
1997-4-13
1905
Colusa
Bear Valley. About 6 miles north of Hwy 20. Vicinity of Trout Creek, north of Deadshot Canyon.
Comment
UCD163844
Styrax redivivus
Craig D. Thomsen
2000-6-1
s.n.
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
UCD18644
Styrax redivivus
Roman Gankin
1959-4-19
330
Colusa
along road to Walker Ridge from Bear Valley.
Comment
UCD18702
Styrax redivivus
Roman Gankin
1959-4-19
330
Colusa
along road to Walker Ridge from Bear Valley.
Comment
UCD82119
Taeniatherum caput-medusae
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5647
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
HSC48464
Taraxacum erythrospermum
J. P. Smith
1978-4-23
9751
Lake
Barrel Springs Campgound
701
Comment
CDA21528
Tauschia kelloggii
G. F. Hrusa, R. Gross
2008-5-23
17442
Lake
North Coast Ranges; N-facing slope above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir.
408
Comment
CHSC101234
Tauschia kelloggii
G. F. Hrusa; R. Gross
2008-5-23
17442
Lake
N-facing slope above N. Fork Cache Creek +/- 1/2 mile below spillway of Indian Valley Reservoir.
408
Comment
UCD163838
Tetrapteron graciliflorum
Craig D. Thomsen
2001-4-12
2467
Colusa
Bear Valley. About 7 miles north of Hwy 20.
Comment
CAS-BOT-BC240289
Thalictrum fendleri
Craig D. Thomsen; J. Wiegand; S. Harrison; G. Harrington; A. Fulks
2008-4-22
2730
Colusa
Walker Ridge. Eaten Springs, 4 mi N of Hwy 20, ca. 1.5 mi E of Walker Ridge Rd.
609
Comment
UCD81708
Thalictrum fendleri var. polycarpum
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5715
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
UCD81709
Thalictrum fendleri var. polycarpum
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5715
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
UCD82585
Thalictrum fendleri var. polycarpum
Craig D. Thomsen; J. Wiegand, S. Harrison, G. Harrington, A. Fulks
2008-4-22
2730
Colusa
Walker Ridge. Eaton Springs, 4 mi N of Hwy 20, ca. 1 mi E of Walker Ridge Rd.
609
Comment
CHSC106243
Thelypodium brachycarpum
B. Castro; L. P. Janeway
2001-6-3
1259
Colusa
Inner North Coast Ranges. 'Til Jones Spring' at headwaters of Freshwater Branch of E. Fork Sulphur Ck, 0.6 mi E of top of Walker Ridge. Ca 3 air mi W of S end of Bear Valley, and 1.75 air mi SSE of Cold Spring Mtn. Just downslope from Walker Ridge Rd., in opening in surrounding serpentine chaparral.
822
Comment
CDA20427
Thysanocarpus curvipes
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17102
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
HSC47456
Thysanocarpus curvipes
J. P. Smith
1978-4-23
9749
Lake
Barrel Springs Campgound
701
Comment
UCR138876
Thysanocarpus curvipes
J. Marshall, J. Savage, L. Allison
1997-3-29
9
Lake
Blue Oak Campground, Mount Diablo Meridian. Indian Valley Reservoir access road, 2.5 mi past intersection of access road and Walker Ridge Rd
274
Comment
UCR37570
Thysanocarpus curvipes var. elegans
Michelle A. Strull, C. Houseman, L. Linstedt
1984-4-28
4
Lake
23 mi. NE of Clearlake Oaks via Hwy 20 and Walker Ridge Road
610
Comment
CDA21522
Tonella tenella
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17090
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
UCD82121
Torilis arvensis
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5649
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
CAS-BOT-BC234976
Torreya californica
Ellen Dean; G. Harrington; K. Mawdsley; J. Shepard
2010-5-1
5950
Colusa
Walker Ridge. Along Walker Ridge Road. 10 road miles N of intersection with Hwy 20. Just N of radio tower at Cold Spring Mountain on border with Lake County
971
Comment
HSC25608
Torreya californica
J. P. Smith, J. O. Sawyer
1971-6-6
4739
Lake
Bulk Collection # 32
Comment
SEINET3876239
Torreya californica
James P. Smith, John Sawyer
1972-2-12
5053
Lake
Walker Ridge Road; south of Baldy Mountain near the boundary of Lake and Colusa County.; 0
Comment
UCD83753
Torreya californica
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5950
Colusa
Walker Ridge. Along Walker Ridge Road. 10 road miles N of intersection with Hwy 20. Just N of radio tower at Cold Spring Mountain on border with Lake County.
971
Comment
UCD112603
Toxicoscordion
Christopher Mallek
2008-4-17
s.n.
Colusa
Walker Ridge. Border of Colusa and Lake Counties.
802
Comment
UCD81861
Toxicoscordion venenosum
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5744 a
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
UCD82103
Tragopogon dubius
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5630
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
UCD84564
Tragopogon dubius
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6089
Lake
Walker Ridge. Picnic Area near wetland/marsh.
899
Comment
UCD84566
Tragopogon porrifolius
Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society
2010-6-5
6091
Lake
Walker Ridge. Picnic Area near wetland/marsh.
899
Comment
UCD82530
Trichostema
Craig Thomsen; G. Harrington
2009-5-12
2886
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. East- facing hillslope above (west border) Eaton Springs meadow complex.
710
Comment
UCD82617
Trichostema
Craig Thomsen; G. Harrington
2009-5-12
2886
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. East- facing hillslope above (and west border of) Eaton Springs meadow complex.
710
Comment
CHSC71434
Trichostema laxum
Vernon H. Oswald; Lowell Ahart
1998-7-15
9279
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
CHSC88578
Trichostema laxum
L. P. Janeway
2001-6-6
7113
Colusa
Inner North Coast Ranges. Eaton Springs, about 2.4 km east of Walker Ridge Road. Meadow opening.
713
Comment
JEPS94753
Trichostema laxum
Vernon H. Oswald and Lowell Ahart
1998-7-15
9279
Lake
0.8 mi s of Bartlett Springs Road (e side of County near Barrel Spring on e side of Baldy Mountain and w of Walker Ridge Road); Baldy Mountain
640
Comment
RSA134397
Trichostema laxum
Harlan Lewis, M. Lewis
1951-7-11
1241
Lake
9.2 miles E of Allen Springs.
Comment
RSA700359
Trichostema laxum
L. P. Janeway
2001-6-6
7113
Colusa
Inner North Coast Ranges. Eaton Springs, about 2.4 km east of Walker Ridge Road.
703
Comment
UC1183604
Trichostema laxum
H. and M. Lewis
1951-7-11
1241
Lake
9.2 mi E of Allen Springs
Comment
UCD125876
Trichostema laxum
Vernon H. Oswald; Lowell Ahart
1998-7-15
9279
Lake
East side of county near Barrel Spring on the east side of Baldy Mountain and west of Walker Ridge Rd. 0.8 mi south of Barlett Springs Rd.
640
Comment
UCLA30920
Trichostema laxum
H. and M. Lewis
1951-7-11
1241
Lake
9.2 mi E of Allen Springs
Comment
CDA26535
Trifolium albopurpureum
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17097
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
UCD82138
Trifolium albopurpureum
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5678
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
843
Comment
CHSC70981
Trifolium albopurpureum var. dichotomum
Vernon Oswald; Lowell Ahart
1998-5-7
9001
Colusa
Bartlett Springs Rd, 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads.
524
Comment
JEPS94797
Trifolium albopurpureum var. dichotomum
Vernon Oswald and Lowell Ahart
1998-5-7
9001
Colusa
Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road
524
Comment
CDA22946
Trifolium bifidum var. bifidum
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17115
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
CHSC101536
Trifolium bifidum var. bifidum
G. F. Hrusa; R. Gross, L. Houser
2008-4-11
17115
Lake
Open chaparral slopes with woodland on N faces immediately below Indian Valley Reservoir spillway into North Fork Cache Creek tailrace.
396
Comment
CHSC115392
Trifolium bifidum var. bifidum
Lowell Ahart
2015-4-10
20009
Colusa
In a small meadow, on the south side of Brim Road, about 2 miles west of the intersection of Bear Valley Road and Brim Road, about 17 miles (air) west of Williams.
500
Comment
HSC95601
Trifolium bifidum var. bifidum
A. Skelly, G. McCabe, B. Bletcher
1996-5-4
48
Lake
Benmore Canyon, 5.3 mi. W of Walker Ridge on Indian Res. Rd., 57 mi. E of Hwy. 101 on Hwy. 20, Blue Oak Campground
549
Comment
JEPS124214
Trifolium bifidum var. bifidum
Lowell Ahart
2015-4-10
20009
Colusa
About 2 miles west of the intersection of Bear Valley Road and Brim Road, about 17 miles (air) west of Williams.
Comment
CHSC115393
Trifolium bifidum var. decipiens
Lowell Ahart
2015-4-10
20010
Colusa
On the south side of Brim Road, about 2 miles west of the intersection of Bear Valley Road and Brim Road, about 17 miles (air) west of Williams.
500
Comment
JEPS124242
Trifolium bifidum var. decipiens
Lowell Ahart
2015-4-10
20010
Colusa
About 2 miles west of the intersection of Bear Valley Road and Brim Road, about 17 miles (air) west of Williams.
Comment
HSC87052
Trifolium dichotomum
L. Blackford, S. Branch, D. Malm
1988-4-16
59
Colusa
6.1 mi. on Walker Ridge Rd. off Hwy. 20 at Blue Oak Campground
732
Comment
HSC89691
Trifolium gracilentum var. gracilentum
William E. Avery, Mathew Henry Bergvall-Mensor, Steve Wilson
1989-4-15
Lake
Blue Oak Campground, 7.7 mi. N of Hwy. 20 just W of Walker Ridge Rd.
152
Comment
HSC87053
Trifolium hirtum
L. Blackford, S. Branch, D. Malm
1988-4-16
38
Lake
6.1 mi. on Walker Ridge Rd. off Hwy. 20 at Blue Oak Campground
732
Comment
HSC92507
Trifolium hirtum
D. Haskamp, E. Sonnenblick, M. Taft
1995-5-6
47
Lake
Blue Oak Campground, on Walker Ridge Rd., 200 m W of campsites along Benmore Canyon Creek.
537
Comment
HSC95465
Trifolium hirtum
A. Skelly, G. McCabe, B. Bletcher
1996-5-4
43
Lake
Benmore Canyon, 5.3 mi. W of Walker Ridge on Indian Res. Rd., 57 mi. E of Hwy. 101 on Hwy. 20, Blue Oak Campground
549
Comment
UCD82100
Trifolium microcephalum
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5627
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
UCD82722
Trifolium microcephalum
Craig Thomsen; G. Harrington
2009-5-14
2905
Colusa
Colusa County on Walker Ridge: about 200 yds. south of spur road, 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
CDA21502
Trifolium obtusiflorum
G. F. Hrusa, R. Gross
2008-5-23
17437
Lake
North Coast Ranges; Above N. Fk. Cache Cr. +/- 1 mi. below spillway of Indian Valley Reservoir. adj. to old resort buildings.
408
Comment
CHSC101225
Trifolium obtusiflorum
G. F. Hrusa; R. Gross
2008-5-23
17437
Lake
N-facing slope above North Fork Cache Creek +/- 1mile below spillway of Indian Valley Reservoir adjacent to old resort buidlings.
408
Comment
CHSC71425
Trifolium obtusiflorum
Vernon H. Oswald; Lowell Ahart
1998-7-15
9302
Colusa
West side of county on Walker Ridge Rd. 8.2 mi south of Bartlett Springs Rd., 6.3 mi north of Hwy. 20. In meadow.
792
Comment
CHSC84225
Trifolium obtusiflorum
Lowell Ahart
2003-7-14
10400
Lake
Along a stream, on the west side of the second causeway going southwest on Bartlett Springs Road, Indian Valley Reservoir.
449
Comment
JEPS104095
Trifolium obtusiflorum
Lowell Ahart
2003-7-14
10400
Lake
Along a stream, on the w side of the second causeway going sw on Bartlett Springs Rd, Indian Valley Reservoir.
449
Comment
JEPS94683
Trifolium obtusiflorum
Vernon H. Oswald and Lowell Ahart
1998-7-15
9302
Colusa
Walker Ridge Rd. 8.2 mi s Bartlett Springs Rd. (6.3 mi n of Hwy 20, w side of county)
792
Comment
JEPS94737
Trifolium obtusiflorum
Vernon H. Oswald and Lowell Ahart
1998-7-15
9302
Colusa
6.3 mi n of Highway 20 (w side of county on Walker Ridge Road 8.2 mi s of Bartlett Springs Road); Walker Ridge Road
792
Comment
SEINET516297
Trifolium obtusiflorum
Vernon H. Oswald
1998-7-15
9302
Colusa
W side of county on Walker Ridge Rd. 8.2 mi S of Bartlett Springs Rd., 6.3 mi N of Hwy 20.
792
Comment
UCD82116
Trifolium obtusiflorum
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5644
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
839
Comment
UCD82380
Trifolium obtusiflorum
Craig Thomsen; G. Harrington
2009-5-12
2822
Colusa
Colusa County. Walker Ridge. On moist flat just west of Walker Ridge Road, below turnoff to Eaton Springs.
944
Comment
UCD82721
Trifolium obtusiflorum
Craig Thomsen; G. Harrington
2009-5-14
2904
Colusa
Colusa County on Walker Ridge: about 200 yds. south of spur road, 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
CDA22939
Trifolium willdenovii
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17098
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
HSC66052
Trifolium willdenovii
C. McDonald, C. Raley, P. Powers, J. Spitler, D. Stamp
1980-4-19
33
Lake
Along Walker Ridge Rd. 0.5 mi. N of junction with access road to Indian Valley Dam
Comment
UCD82581
Triglochin maritima
Craig D. Thomsen; J. Wiegand, S. Harrison, G. Harrington, A. Fulks
2008-4-22
2729
Colusa
Walker Ridge. Eaton Springs, 4 mi N of Hwy 20, ca. 1.5 mi E of Walker Ridge Rd.
609
Comment
UCD82622
Triglochin maritima
Craig Thomsen; G. Harrington
2009-5-12
2892
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
UCD82723
Triodanis biflora
Craig Thomsen; G. Harrington
2009-5-14
2906
Colusa
Colusa County on Walker Ridge: south of spur road about 1/2 mile east of Walker Ridge Road, en route to Eaton Springs.
813
Comment
CHSC94927
Triteleia laxa
K. Lang; Classmates
2005-4-2
23
Lake
Walker Ridge.
1000
Comment
HSC60456
Triteleia laxa
J. P. Smith
1977-4-24
9032
Lake
Barrel Springs Campground
701
Comment
HSC66054
Triteleia laxa
D. Boyd, M. Eichelberger, Tim Messick, Tom Ranker
1980-4-19
39
Lake
Along Walker Ridge Rd., 1 mi. N of junction with access to Indian Valley Dam
Comment
UCD82535
Triteleia laxa
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5687
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
843
Comment
UCR37944
Triteleia laxa
Brian Kearney, P. Williams, M. Malamus
1984-4-28
3
Lake
Blue Oak Campground
610
Comment
CHSC71456
Triteleia peduncularis
Vernon H. Oswald; Lowell Ahart
1998-7-15
9272
Colusa
Bartlett Sptings Rd. 1.6 mi west of Bear Valley Rd.
487
Comment
CHSC71457
Triteleia peduncularis
Vernon H. Oswald; Lowell Ahart
1998-7-15
9292
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. And west of Walker Ridge Road 0.8 mi south of Bartlett Springs Rd.
640
Comment
JEPS94689
Triteleia peduncularis
Vernon H. Oswald and Lowell Ahart
1998-7-15
9292
Lake
e side of county near Barrel Spring (on e side of Baldy Mountain and w of Walker Ridge Road 0.8 mi s of Bartlett Springs Road); Baldy Mountain
640
Comment
JEPS94757
Triteleia peduncularis
Vernon H. Oswald and Lowell Ahart
1998-7-15
9292
Lake
e side of county near Barrel Spring (on e side of Baldy Mountain and w of Walker Ridge Road 0.8 mi s of Bartlett Springs Road); Baldy Mountain
640
Comment
RSA466276
Triteleia peduncularis
L. F. LaPre, K. Campbell
1987-6-29
s.n.
Lake
Barrel Springs Camp, NE of Clear Lake at Colusa Co. line, on Walker Pass Road
Comment
RSA489229
Triteleia peduncularis
James L. Reveal
1988-6-2
6989
Lake
Barrel Springs area just west of the Walker Ridge Road, 1 mile south of the Bartlett Springs Road and about 15 miles north of Hwy 20.
762
Comment
SBBG118112
Triteleia peduncularis
C. Bornstein, E. Collins, R. Lutsko
2004-6-18
Lake
Bartlett Springs Rd, W of Walker Ridge Rd
618
Comment
SD6387
Triteleia peduncularis
Daniel Cleveland
1882-6-13
Lake
Indian Valley.
Comment
UC143029
Triteleia peduncularis
D. Cleveland
1882-6-13
Lake
Indian Valley
Comment
UCD81862
Triteleia peduncularis
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5745
Lake
Walker Ridge. Picnic area near Cold Spring.
912
Comment
UCR50154
Triteleia peduncularis
L. F. LaPre, K. Campbell
1987-6-29
s.n.
Lake
Inner North Coast Ranges, Barrel Spring Camp, NE of Clear Lake at Colusa Co. line, on Walker Ridge Rd
Comment
CAS-BOT-BC91119
Umbellularia californica
Jeanne McFarland; Kathie Meyer; Anne Mullenniex
1995-4-1
38
Lake
Walker Ridge. Blue Oak Campground off of Indian Reservoir Road. Found growing about 3 meters SE of campground sign.
536
Comment
HSC27282
Umbellularia californica
J. P. Smith, J. O. Sawyer
1972-4-1
5171
Lake
8.8 mi. N of junction of SR 20 and Walker Ridge Rd.
Comment
UCD83752
Umbellularia californica
Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard
2010-5-1
5949
Colusa
Walker Ridge. Along Walker Ridge Road. 10 road miles N of intersection with Hwy 20. Just N of radio tower at Cold Spring Mountain on border with Lake County.
971
Comment
HSC45706
Uropappus lindleyi
Sheila Logan
1978-4-23
103
Lake
Barrel Springs Campground.
701
Comment
HSC46386
Uropappus lindleyi
Catherine Chin
1978-4-23
46
Lake
Barrel Springs Campground.
701
Comment
HSC48463
Uropappus lindleyi
J. P. Smith
1978-4-23
9752
Lake
Barrel Springs Campgound
701
Comment
UCD82163
Uropappus lindleyi
Ellen Dean; G. Harrington, C. Thomsen,R. Wilmarth,Chiao-Yi Cheng
2009-5-20
5695
Colusa
Walker Ridge. Til Jones Spring area along Walker Ridge Road.
833
Comment
CHSC84245
Verbena lasiostachys var. lasiostachys
Lowell Ahart
2003-7-14
10407
Lake
Along a stream, on the east side of the second causeway going southwest on Bartlett Springs Road, Indian Valley Reservoir.
449
Comment
JEPS104389
Verbena lasiostachys var. lasiostachys
Lowell Ahart
2003-7-14
10407
Lake
Along a stream, on the e side of the second causeway going sw on Bartlett Springs Rd, Indian Valley Reservoir.
449
Comment
CHSC71454
Verbena lasiostachys var. scabrida
Vernon H. Oswald; Lowell Ahart
1998-7-15
9304
Colusa
West side of county on Walker Ridge Rd. 8.2 mi south of Bartlett Springs Rd., 6.3 mi north of Hwy. 20. In a meadow.
792
Comment
JEPS93808
Verbena lasiostachys var. scabrida
Vernon H. Oswald and Lowell Ahart
1998-7-15
9304
Lake
w side of county on Walker Ridge Road 8.2 mi s of Bartlett Springs Road (6.3 mi n of Highway 20); Walker Ridge Road
792
Comment
UCD82098
Verbena lasiostachys var. scabrida
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5625
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
UCD83716
Vicia sativa subsp. nigra
Joseph Schlottman; with PLB 102 class
2010-5-2
2
Colusa
East slope of Walker Ridge. Eaton Springs. Adjacent to main creek.
710
Comment
CDA11393
Viola douglasii
G. F. Hrusa, K. van Katwyk
1995-4-22
12113
Lake
Inner North Coast Ranges; Bartlett Springs road approx. 1/2 m. W of intersection with Walker Ridge Rd.
Comment
CHSC115198
Viola douglasii
Lowell Ahart
2015-4-28
20095
Lake
In the meadow, about 150 yards west of Barrel Spring Meadow, about 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intesection of Bear Valley Road and Brim Road, about 18 miles(air) west of Williams.
696
Comment
CHSC49457
Viola douglasii
Vernon Oswald
1986-5-12
2020
Lake
Brim Rd. (Barlett Springs Rd.) 0.2 mi w of the road to Barell Spring.
624
Comment
HSC27160
Viola douglasii
J. P. Smith, J. O. Sawyer
1972-4-1
5169
Lake
6.5 mi. N of junction of S.R. 20 and Walker Ridge Rd.
Comment
HSC31310
Viola douglasii
Carter Schleicher
1974-5-4
26
Colusa
0.75 mi. from T junction of Walker Ridge Rd. and Indian Valley, near Clyde Mine
854
Comment
HSC41844
Viola douglasii
N. G. Sugihara
1977-4-24
35
Lake
Barrel Springs Campground
701
Comment
HSC41945
Viola douglasii
Richard G. Runyon
1977-4-24
26
Lake
Barrel Springs Campground
701
Comment
HSC44455
Viola douglasii
R. York
1978-4-23
142
Lake
Barrel Springs Campground.
701
Comment
HSC45518
Viola douglasii
M. Alcasas
1978-4-23
52
Lake
Barrel Springs Campground.
701
Comment
HSC45744
Viola douglasii
Stephen Plant
1978-4-23
225
Lake
Barrel Springs Campground
701
Comment
HSC66062
Viola douglasii
C. Macdonald, P. Powers, C. Raley, J. Spitler, D. Stamp
1980-4-19
37
Lake
Along Walker Ridge Rd., 1.0 mi. N of junction with access road to Indian Valley Dam.
Comment
HSC69914
Viola douglasii
Thomas W. Nelson, Jane P. Nelson
1978-4-2
3872
Lake
Along Walker Ridge Rd., 6 mi. N of junction with Hwy. 20
Comment
JEPS123902
Viola douglasii
Lowell Ahart
2015-4-28
20095
Lake
About 1/4 mile (air) west of Walker Ridge Road, about 3 miles (air) southwest of the intersection of Bear Valley Road and Brim Road, about 18 miles (air) west of Williams.
Comment
JEPS16209
Viola douglasii
Rimo Bacigalupi, Arthur Holmgren
1950-4-26
3188
Lake
between Bear Valley and Indian Valley (first summit on Bartlett Mountain Road); Inner North Coast Ranges
Comment
UC1053470
Viola douglasii
Rimo Bacigalupi, Arthur Holmgren
1950-4-26
3188
Lake
between Bear Valley and Indian Valley (first summit on Bartlett Mountain Road, at Colusa-Lake County line); Inner North Coast Ranges
Comment
UCD82461
Viola douglasii
Craig Thomsen; G. Harrington
2009-5-12
2839
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
707
Comment
UCR242998
Viola douglasii
G. Robinson
1984-4-21
16
Colusa
Inner North Coast Range, NW of Barrel Springs Campground (c. 200 m) off Barrel [Bartlett?] Springs Road, adjacent to water well
701
Comment
HSC95557
Viola pedunculata
L. Snyder, B. Redfern, A. de Knijf
1999-5-1
58
Lake
Walker Ridge Rd., 8 mi. off Hwy. 20; Blue Oak Recreational Area
534
Comment
UCD82090
Viola purpurea
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5617
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
HSC66595
Viola purpurea subsp. purpurea
Debbie Stamp, Joanne Spitler, Cathy Railey, Patty Powers, Cathy Macdonald
1980-4-19
12
Lake
Coldsprings Campground, along access road to Indian Valley Dam: across the access from the campground
Comment
HSC66656
Viola purpurea subsp. purpurea
Cathie Goldberg, Lauren Philbrick, Lynn Kunstman, Geoff Walsh
1980-4-19
5
Lake
Coldsprings Campground, along access road to Indian Valley Dam.
Comment
HSC90166
Viola purpurea subsp. purpurea
Andrew Enberg, Brad Penkala, Dan Scofield
1990-4-14
44
Lake
Blue Oak Campground, Indian Valley Reservoir Access Rd., 2.5 mi. NE of intersection with Walker Ridge Rd.
534
Comment
HSC66590
Viola purpurea subsp. quercetorum
S. Harris, B. Ferguson, M. Moble, S. Smith
1980-4-19
Lake
Coldsprings Campground, along access road to Indian Valley Dam
Comment
UCD81717
Vitis californica
Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia
2009-5-27
5722
Colusa
Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road.
833
Comment
HSC39638
Vulpia microstachys
J. P. Smith, J. O. Sawyer
1971-6-6
4726
Lake
0.75 mi. N of Clyde Mine, Walker Ridge Rd.
Comment
HSC87048
Vulpia microstachys
Pat Daly, Rudy Galindo
1988-4-16
51
Colusa
21.6 mi. off Hwy. 20 on Brim Rd., via Walker Ridge Rd.
518
Comment
HSC87055
Vulpia microstachys
Pat Daly
1988-4-16
52
Colusa
21.6 mi. off Hwy. 20 on Brim Rd., via Walker Ridge Rd.
518
Comment
UCD82505
Vulpia microstachys var. ciliata
Craig Thomsen; G. Harrington
2009-5-12
2866
Colusa
Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd.
710
Comment
CDA21540
Vulpia microstachys var. pauciflora
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17086
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
CHSC101221
Vulpia microstachys var. pauciflora
G. F. Hrusa; R. Gross, L. Houser
2008-4-11
17086
Lake
Open, chaparral slopes with woodland on N faces immediately below Indian Valley Reservoir spillway into North Fork Cache Creek tailrace.
396
Comment
UCD82093
Vulpia microstachys var. pauciflora
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5620
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
HSC87054
Vulpia myuros
Pat Daly, Rudy Galindo
1988-4-16
35
Lake
6.1 mi. on Walker Ridge Rd. from Hwy. 20 to Blue Oak Campground
732
Comment
UCD82095
Vulpia octoflora
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5622
Lake
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
821
Comment
CDA22947
Wyethia angustifolia
G. F. Hrusa, R. Gross
2008-5-23
17440
Lake
North Coast Ranges; above N. Fk. Cache Cr. +/- 1/2 mi. below spillway of Indian Valley Reservoir.
408
Comment
UCD82534
Wyethia angustifolia
Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth
2009-5-20
5686
Colusa
Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road.
843
Comment
HSC90050
Wyethia glabra
Rohmer, Grefsrud, Reed
1990-4-14
41
Lake
Blue Oak Campground, Indian Valley Reservoir Access Rd., 2.5 mi. NE of intersection with Walker Ridge Rd.
534
Comment
UCD84447
Wyethia glabra
Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk
2010-6-2
6055
Lake
Walker Ridge. Along Walker Ridge Road. Just S of turnoff to Picnic Area. West side of the road.
1038
Comment
CHSC79696
Wyethia helenioides
Todd Bouchier; Kathleen Gifford, Cameron Williams
1999-5-1
25
Lake
Blue Oak Recreation Area, Walker Ridge Road, 12.8 km from Hwy 20.
536
Comment
HSC87002
Wyethia helenioides
Brent Helm, Curtis Miller, Mark Steiger
1988-4-15
56
Lake
Blue Oak Campground, 6.1 mi. on Walker Ridge Rd. off Hwy. 20
732
Comment
HSC95342
Wyethia helenioides
A. Hove, A. Poteet, C. Sanville
1999-5-1
26
Lake
Walker Ridge Rd., Blue Oak Recreation Area
537
Comment
CDA22936
Yabea microcarpa
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17113
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
CHSC70962
Yabea microcarpa
Vernon Oswald; Lowell Ahart
1998-5-7
8993
Colusa
Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd.
487
Comment
CHSC71426
Zeltnera muehlenbergii
Vernon H. Oswald; Lowell Ahart
1998-7-15
9267 A
Colusa
Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. In a meadow.
487
Comment
CHSC71427
Zeltnera trichantha
Vernon H. Oswald; Lowell Ahart
1998-7-15
9267 B
Colusa
Bartlett Springs Rd. 1.6 mi west of Bear Valley Rd. In a meadow.
487
Comment
CHSC71428
Zeltnera trichantha
Vernon H. Oswald; Lowell Ahart
1998-7-15
9288
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd. Along the banks of an intermittent stream.
640
Comment
SD7740
Zeltnera trichantha
Daniel Cleveland
Jun 1882
Lake
Indian Valley
Comment
UC2042510
Zeltnera trichantha
Holly Forbes and Barbara Keller
2011-7-7
Colusa
Walker Ridge Rd, 6.2 miles N from its intersection with Highway 20.
Comment
UCD121477
Zeltnera trichantha
Vernon H. Oswald; Lowell Ahart
1998-7-15
9288
Lake
East side of county near Barrel Spring on the east side of Baldy Mtn. and west of Walker Ridge Rd. 0.8 mi south of Bartlett Springs Rd.
640
Comment
UC2042509
Zeltnera venusta
Holly Forbes and Barbara Keller
2011-7-7
Marin
about 1/8 mi. W of Walker Ridge Rd., 18.1 mi. via Bear Valley Rd. NW of Highway 20.
Comment
CDA22933
Zigadenus fremontii
G. F. Hrusa, R. Gross, L. Houser
2008-4-11
17110
Lake
North Coast Ranges; Immed. below Indian Valley Res. spillway into N. Fk. Cache Creek tailrace.
396
Comment
HSC41906
Zigadenus fremontii
M. A. Baker
1977-4-24
211
Lake
Barrel Springs Campground.
701
Comment
HSC85762
Zigadenus fremontii
R. Earing, C. Cavanaugh, C. Collins
1987-4-11
68
Lake
Blue Oak Campground, 8 mi. N of Hwy. 20 on Walker Ridge Rd., SE of Indian Valley Reservoir
Comment
HSC87082
Zigadenus fremontii
L. Blackford, S. Branch, D. Malm
1988-4-16
37
Colusa
6.1 mi. on Walker Ridge Road off Hwy 20 at Blue Oak campground
732
Comment
SEINET3889545
Zigadenus fremontii
Nina Williams, Ellen Purcell; Terry Hines
1988-4-16
32
Lake
6.1 miles on Walker Ridge Rd. Blue Oak Campground.; 0
732
Comment
UCR123617
Zigadenus fremontii
Jim Belsher, John Kendall, Pete Nichols
1997-4-29
10
Lake
Indian Valley Reservoir Access Road, Blue Oak Campground
274
Comment
UCR138742
Zigadenus fremontii
A. Skelly, G. McCabe, B. Bletcher
1996-3-30
31
Lake
Benmore Canyon, 1.4 mi west of Walker Ridge Rd. on Indian Reservation Rd., 57 mi east of Hwy 101 on Hwy 20
683
Comment
UCR139087
Zigadenus fremontii
M. Brooks, Julie Evens, H. Johnson
1997-3-29
6
Lake
Blue Oak Campground
274
Comment
HSC27161
Zigadenus micranthus
J. P. Smith, J. O. Sawyer
1972-4-1
5161
Lake
6.2 mi. N of junction of Hwy. 20 and Walker Ridge Rd.
Comment
HSC66013
Zigadenus micranthus
D. Boyd, M. Eichelberger, Tim Messick
1980-4-19
21
Lake
Coldsprings Campground along access road to Indian Valley Dam
Comment
HSC86891
Zigadenus micranthus
Pat Daly, Rudy Galindo
1988-4-16
47
Lake
6.1 mi. on Walker Ridge Rd. from Hwy. 20 to Blue Oak Campground
732
Comment
HSC98360
Zigadenus micranthus
William Kristan, Brian Marston, Reid Storre
1988-4-16
40
Lake
6.1 mi. on Walker Ridge Rd. off Hwy. 20, above Blue Oak Campground
Comment
JEPS62268
Zigadenus micranthus var. micranthus
W. L. Jepson
1920-5-23
8982
Lake
hills e Indian Valley (ne Lake Co.)
Comment
HSC31716
Zigadenus paniculatus
Teresa Prendusi
1974-5-4
53
Colusa
Beyond Clyde Mine 1/8 mi.
854
Comment
HSC31312
Zigadenus venenosus var. venenosus
Carter Schleicher
1974-5-4
28
Colusa
0.75 mi. from T junction of Walker Ridge Rd. and Indian Valley, near Clyde Mine
854
Comment
HSC45710
Zigadenus venenosus var. venenosus
Sheila Logan
1978-4-23
86
Lake
Barrel Springs Campground.
701
Comment
RSA256673
Zigadenus venenosus var. venenosus
Thomas Higley
1974-5-4
62
Colusa
0.75 mile north of T junction of Indian Valley
854
Comment
RSA489573
Zigadenus venenosus var. venenosus
James L. Reveal
1988-6-2
6990
Lake
Barrel Springs area just west of the Walker Ridge Road, 1 mile south of the Bartlett Springs Road and about 15 miles north of Hwy 20.
762
Comment