Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page .
Turn on yellow flags to show possible range discrepancies.
Read more ...
?
Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CHSC20727
Abies concolor
M. S. Taylor
1975-8-31
901
Butte
Humboldt Rd, ca. 1/2 mi e of Butte Meadows.
1341
Comment
CHSC94124
Abutilon theophrasti
Lowell Ahart
2006-7-4
12912
Butte
In an idle rice field, Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
29
Comment
CHSC33590
Acer circinatum
M. S. Taylor
1981-5-21
3789
Butte
In Mayaro, along creek, ca. 2 mi ne of Pulga on Feather River Hwy 70
487
Comment
SEINET10873946
Acer circinatum
Mary Susan Taylor
1980-4-27
Taylor 2557
Butte
T23N R3E nw sec 27. Paradise quad. Along Middle Butte Creek off of Little Butte Creek in Riparian Woodland, very shady, ca. 1.5 mi SE of Nimshew. With J.D. Jokerst.
610
Comment
CHSC27267
Acer negundo var. californicum
P. Moyer
1972-4-9
160
Butte
CSUC campus. S bank Chico Ck., w of Warner St. Bridge
60
Comment
CHSC109650
Acer platanoides
Lowell Ahart
2012-5-14
18065
Butte
On the north side of the paved road, east of the horse trail, about 1/2 mile west of Peterson Drive, south of Vallombrosa Ave, Lower Bidwell Park, Chico.
74
Comment
UC2026885
Acer platanoides
Lowell Ahart
2012-5-14
18065
Butte
On the north side of the paved road, east of the horse trail, about 1/2 mile west of Peterson Drive, south of Vallombrosa Avenue, Lower Bidwell Park, Chico.
Comment
CHSC66428
Acer saccharinum
Vernon H. Oswald; Lowell Ahart
1996-6-10
7745
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife service parcel between 7 Mile Lane and the Sacramento River.
28
Comment
JEPS116068
Achnatherum lemmonii
Lowell Ahart
2009-5-30
15796
Butte
About 50 yards south of the fence and about 100 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
269
Comment
JEPS116096
Achnatherum lemmonii
Lowell Ahart
2009-5-15
15686
Butte
On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
203
Comment
CAS-BOT-BC218049
Achnatherum stillmanii
Lowell Ahart
1981-8-15
3028
Butte
Along road about 2 miles S of Inskip
1400
Comment
CHSC33374
Achyrachaena mollis
Alisa Goldman
1980-4-23
20
Butte
North of Chico.
57
Comment
HSC68162
Achyrachaena mollis
J. P. Smith, J. O. Sawyer
1973-4-14
6044
Butte
Bruce Lane, between Skyway and Humboldt Rd., E of Chico.
Comment
SEINET11842159
Achyrachaena mollis
E. J. Baker
1984-1
20
Butte
E. side of Hwy 99, 1 yd S of intersection with Broyles Rd, ca 12 mi N of Chico
58
Comment
CHSC113096
Acmispon americanus var. americanus
Lowell Ahart
2013-11-18
19282
Butte
Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton.
261
Comment
UCD103766
Acmispon americanus var. americanus
Collector unknown
Date unknown
12845
Butte
Butte Meadows.
Comment
CHSC30730
Acmispon argophyllus var. fremontii
M. S. Taylor
1980-5-27
2665
Butte
On Big Bald Rock, granitic dome, ca. 3 mi e of Lake Madrone.
997
Comment
CHSC90380
Acmispon brachycarpus
Lisa J. Newsum
1984-4-19
19
Butte
Bidwell Heights Rd., 1 1/4 from jct. with Hwy 32, 7 mi e of Chico.
304
Comment
UCD104256
Acmispon nevadensis var. nevadensis
A. A. Heller
1917-7-26
12828
Butte
Butte Meadows.
1402
Comment
CHSC113908
Acmispon parviflorus
Lowell Ahart
2014-5-8
19450
Butte
North of a small drainage, below the high water line of Lake Oroville, about 250 yards southeast of the trail, trail starts at the parking area at the Enterprise Boat Launch Area, about 11 miles (air) east of Oroville.
241
Comment
CHSC878
Acmispon parviflorus
M. Roberson
1956-4-9
Butte
SW of Paradise, along Skyway.
426
Comment
CHSC38503
Acmispon wrangelianus
Vernon Oswald
1983-4-25
384
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1.5 mi e of the power lines.
353
Comment
CHSC90994
Acmispon wrangelianus
Lowell Ahart
2005-5-11
11798
Butte
On the bottom of a small vernal pool, south part of North Table Mountain, about 300 yards northwest of the poor dirt road off of Cherokee Road, about 200 yards south of the rim into Beatson Hollow, about 7 miles (air) north of Oroville.
354
Comment
CAS-BOT-BC133127
Adenostoma fasciculatum
Ella Dales Cantelow
1940-5-10
4293
Butte
E. of Oroville, Old road to Bucks Lake
Comment
CHSC44611
Adiantum aleuticum
Vernon Oswald
1985-7-15
1900
Butte
Near Cresta Tunnel below the falls on Bear Ranch Creek via the dirt road opposite Cresta Rest Area on Hwy 70.
463
Comment
SEINET10529974
Adiantum aleuticum
Mary Susan Taylor
1976-5-5
Taylor 1117
Butte
Abundant along or near in drier areas of Bear Creek, ca. 500 ft to 1/8 mi S of Hwy 70, ca. 30 mi NE of Oroville.
Comment
CHSC30820
Adiantum capillus-veneris
M. S. Taylor; J. D. Jokerst
1980-4-18
2540
Butte
S side of Humbug Rd, ca. 1 mi ne of Centerville.
365
Comment
CHSC23472
Adiantum jordanii
T. D. Brumley
1974-5-2
4
Butte
On s side of Chico creek ca. 400 yds s of Municipal Golf Course building, Chico.
152
Comment
SFV10863
Aesculus californica
M. L. Vincent
1963-6-8
408 A
Butte
Concow Lake, Concow Road - Nelson Bar Road.
615
Comment
SEINET10494576
Aesculus californica
Melvin L. Conrad
1973-6-5
Conrad 7037
Butte
Jarbo pass on hwy 70. Yellow pine, calif. Buckeye & shrubby lupine.
Comment
CHSC20524
Aesculus pavia
Pamela Caldwell
1972-4-9
Butte
CSUC campus. NW corner of Auditorium.
Comment
CHSC90943
Agoseris heterophylla
Lowell Ahart
2005-4-18
11730
Butte
Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
25
Comment
CAS-BOT-BC13174
Agoseris monticola
V. Oswald; L. Ahart
1988-10-6
3707
Butte
Near the headwaters of Big Kimshew Creek, ca. 1.5 air miles NE of Jones Meadow
1950
Comment
UCD128616
Agoseris monticola
Lowell Ahart
1995-10-3
7669
Butte
along the north side of Butte Creeke House Meadow, about 2.5 miles (air) north-east of Snag Lake.
1767
Comment
CAS-BOT-BC447795
Agrimonia gryposepala
Clarence Quick
1940-7-20
40 -96
Butte
Big Bar Mt., E. of Feather River at Pulga; from Big Bar Lookout. 2-3 miles towards Brush Creek
Comment
CHSC49703
Agrostis avenacea
Vernon Oswald
1985-5-20
1775
Butte
Between the north edge of Hwy 162 and Thermalito Afterbay ca. 1 mi e of Hwy 99.
35
Comment
SEINET10508561
Agrostis diegoensis
Lowell Ahart, Peter Ahart
1983-6-21
Ahart 4091
Butte
T21N R5E sec 31. Along Bloomer Hill Rd, ca. 1.3 mi w of Oroville-Quincy Hwy, ca. 15 mi ne of Oroville. Foothill Woodland; 450 m.
450
Comment
CAS-BOT-BC127446
Agrostis elliottiana
Lowell Ahart
1985-5-22
5028
Butte
Along the edge of Bean Creek Road, about 0.5 mile southeast of Little Bald Rock.
1066
Comment
JEPS94433
Agrostis exarata
Lowell Ahart
1997-10-20
7919
Butte
3 air mi nw of Sly Creek Reservoir Dam (about 3/4 mi n of Golden Trout Crossing, on w side of sharp bend in the South Fork of Feather River, about 1/4 mi n of the bridge across River); sharp bend in the South Fork of Feather River
914
Comment
RSA129582
Agrostis exarata
H. S. Yates
1936-8-13
6105
Butte
Paynes Creek; 2.5 miles S.S.E. of Butte Meadow
1494
Comment
SEINET3450813
Agrostis exarata
Unknown
2003-6-30
10333
Butte
Forbestown, Forbestown, about 3 air miles north, in the gutter on the north side of Fields Ridge Road, north of the Ponderosa Reservoir
490
Comment
SEINET10876406
Agrostis hyemalis
A. Arthur Heller
1917-7-26
Heller 12847
Butte
Moist shaded places in the yellow pine forest, Butte Measow.
1280
Comment
CHSC61364
Agrostis idahoensis
Lowell Ahart
1993-7-31
7139
Butte
On the north side of the dirt road to Big Kimshew Creek, about 1 1/2 miles south-east of Bald Mountain, north-east of Stirling City.
1493
Comment
CHSC107924
Agrostis pallens
L. P. Janeway
2011-7-18
10516
Butte
Northern High Sierra Nevada. Plumas National Forest; along Dome Trail 0.3 km northeast of the trailhead, 1.1 air km south-southeast of Bald Rock Dome. Along top of northeast-trending ridge, often abundant along edges of the trail.
725
Comment
CHSC39658
Agrostis pallens
Lowell Ahart
1983-6-21
4091
Butte
Found along Bloomer Hill Road, about 1 1/4 miles west of the Oroville Quincy Highway, about 15 miles north-east of Oroville. Section 31.
450
Comment
CAS-BOT-BC138773
Agrostis scabra
A. A. Heller
1914-7-23
11613
Butte
Chico Meadows.
1219
Comment
UC573809
Agrostis scabra
H. S. Yates
1936-8-13
6109
Butte
2.5 mi sse Butte Meadow; Paynes Creek Quad.
1493
Comment
CAS-BOT-BC138642
Agrostis stolonifera
Lowell Ahart
1988-9-4
6178
Butte
Near Big Kimshew Creek, about 1 air mile northeast of Jones Meadow.
1920
Comment
CAS-BOT-BC138577
Agrostis variabilis
A. A. Heller
1914-8-7
11660
Butte
At the summit east of Jonesville.
2133
Comment
UC600598
Agrostis variabilis
H. F. Copeland
1932-8-17
Butte
at the Summit (Jonesville); Jonesville
2000
Comment
CHSC98974
Aira caryophyllea
Lowell Ahart
2008-5-12
14740
Butte
Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam.
258
Comment
JEPS114957
Aira caryophyllea
Lowell Ahart
2008-5-12
14740
Butte
below the high water line of Lake Oroville, on the E side of Sucker Creek, about 40 yds N of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mi W of the Ponderosa Dam
258
Comment
SEINET10507044
Aira caryophyllea
Mary Susan Taylor
1980-5-27
Taylor 2691
Butte
T21N R6E sc sec 30. Big Bend quad. On Big Bald Rock, ca. 3 mi E of Lake Madrone; Yellow Pine Forest, large granite dome
998
Comment
SEINET10507042
Aira caryophyllea
Lowell Ahart
1983-4-1
Ahart 3913
Butte
In Dark Canyon along old Hwy 40 s of its jct with Hwy 70, ca. 4 mi s of Jarbo Gap, ne of Oroville. Foothill Woodland; 350 m.
350
Comment
SEINET10868764
Aira caryophyllea
Lowell Ahart
1987-5-6
Ahart 5546
Butte
On dry sand and silt, on gravel bars along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC97372
Alisma triviale
Paul Maslin
2006-6-15
39
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). Man made pond near reserve headquarters. UTM: 10611097E 4411325N.
487
Comment
CDA14089
Allium amplectens
G. F. Hrusa, T. D. Wilfred
1997-7-3
13974
Butte
Sierra Nevada; NE side of upper end of Paradise Lake. Where last tributaries from E enter.
Comment
CHSC32373
Allium amplectens
J. D. Jokerst
1979-5-2
1226
Butte
Top of North Table Mt. Along Cherokee Rd at the E edge of the mountain.
396
Comment
HSC38141
Allium amplectens
Thomas W. Nelson, Jane P. Nelson
1976-5-9
2446
Butte
Intersection of Palermo Rd. and SR 70, 4 mi. S of Oroville
Comment
HSC84080
Allium amplectens
Dale McNeal
1982-4-13
2608
Butte
Beside Chico-Paradise Rd., 7.7 mi. W of junction of Hwy. 191 in Paradise
Comment
SEINET10839457
Allium amplectens
Mary Susan Taylor
1975-6-30
Taylor 822
Butte
Ca. 1/4 mi W of Cohasset Hwy, ca. 400 yds N of Greenwood Store, Cohasset; Yellow Pine Forest.
853
Comment
CHSC36903
Allium campanulatum
R. A. Schlising; R. Banchero
1980-7-11
3885
Butte
NE part of county at s ecd of Walker Plains; along Oroville-Quincy Hwy.
1536
Comment
CAS-BOT-BC465437
Allium campanulatum
E. B. Copeland
1929-7-3
350
Butte
Jonesville
1550
Comment
SEINET12048121
Allium campanulatum
M. Ownbey, Ownbey, G. B.
1946-1
2940
Butte
below Jonesville
Comment
CHSC28049
Allium jepsonii
J. D. Jokerst
1978-6-22
151
Butte
T22N, R4E, sect. 17. [no other locality information given]
Comment
CHSC94209
Allium jepsonii
Lowell Ahart
2006-6-9
12657
Butte
On the west side of Bardees Bar Road, north of the small stream, south of the large stream, about 1/8 mile west of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga.
385
Comment
CHSC36953
Allium membranaceum
R. A. Schlising; D. Ikeda, R. Banchero
1980-6-23
3761
Butte
0.6 mi W of Forbestown, along Forbestown Road.
902
Comment
POM169679
Allium peninsulare var. peninsulare
A. A. Heller
1902-5-13
5538
Butte
Grade between Clear Creek and Paradise
Comment
UC426899
Allium validum
E. B. Copeland
1930-7-21
407
Butte
Jonesville
1500
Comment
CAS-BOT-BC476714
Allium validum
E. B. Copeland
1930-7-21
407
Butte
Jonesville
1500
Comment
CHSC45441
Allophyllum divaricatum
Lowell Ahart
1984-6-8
4673
Butte
Along the dirt road near the water tower that is above the generator, about 2 miles north of Forbestown, about 1 mile east of the Ponderosa Dam.
457
Comment
CHSC47975
Alnus incana subsp. tenuifolia
Vernon Oswald
1984-7-31
1642
Butte
Scotts John Creek at 26N27.
1755
Comment
CHSC5944
Alnus rhombifolia
M. MacArthur
1968-6-17
174
Butte
Location: Hanging over SW edge of Big Chico Creek Ne of Dining Hall, Chico State College Campus.
60
Comment
SEINET10478439
Alnus rhombifolia
Mary Susan Taylor
1979-10-12
Taylor 2242
Butte
T23N R2E sec 25. Riparian Woodland, Big Chico Creek, at end of Upper Bidwell Park Road, ca. 10 mi NE of Chico.
244
Comment
CDA42995
Alopecurus carolinianus
L. Ahart
2008-5-2
14704
Butte
Below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10-1/2 miles (air) northeast of Oroville.
Comment
SEINET10967771
Alopecurus carolinianus
Lowell Ahart
1978-4-21
Ahart s.n.
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC8195
Alopecurus saccatus
J. G. Moore
1969-4-18
27
Butte
Table Mtn. 50 yds. w of Cherokee Rd., 2 mi. s of Oregon City turnoff.
381
Comment
UC1586628
Alopecurus saccatus
Lowell Ahart
1991-5-16
6654
Butte
ca. 12 mi. s. of Oroville (ca. 2 1/4 mi. n. and 1/2 mi. e. of Honcut, Peter Ahart Ranch); Peter Ahart Ranch
36
Comment
SEINET10507155
Alopecurus saccatus
Lowell Ahart
1991-5-16
Ahart 6654
Butte
On the bottom of a small shallow vernal pool, Peter Ahart Ranch, about 2 1/4 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville. Valley Grassland. T17N R4E S4.
37
Comment
SEINET10511198
Alopecurus saccatus
Lowell Ahart
1982-5-10
Ahart 3429
Butte
Ca.2 mi ne of Honcut. Valley Grassland.
50
Comment
CHSC113151
Amaranthus albus
Lowell Ahart
2013-11-13
19227
Butte
Below the high water line of Lake Oroville, about 30 yards west of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam.
244
Comment
CHSC116132
Amaranthus californicus
Lowell Ahart
2015-11-7
20616
Butte
Strand of Lake Oroville, on the east side of the old highway Alternate 40, about 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise.
236
Comment
UCD169384
Amaranthus deflexus
Lowell Ahart
2004-9-28
11404
Butte
On the south side of the Oroville Chico Highway, west of Butte Creek, about 1 1/8 miles southeast of the Midway, about 2 1/8 miles (air) northeast of Durham, about 3 1/2 miles (air) southeast of Chico.
57
Comment
CHSC78367
Amaranthus palmeri
Lowell Ahart
2000-7-23
8605
Butte
On road gravel and in the prune orchard, on the west edge and side of the Midway, north of Butte Creek, about 2 1/2 miles south of Durham.
45
Comment
HSC102798
Amaranthus palmeri
L. Ahart
2013-10-16
19111
Butte
West side of Hwy. 99E, ~ 1.0 mi. E of Biggs, and ~ 20 yds. south of B Street.
30
Comment
CHSC43583
Amaranthus rudis
Vernon Oswald
1983-10-10
1061
Butte
Bidwell State Park on the e bank of the Sacramento R. w of Chico. Between the parking lot at the boat ramp and the river.
Comment
CDA3284
Amaranthus rudis
L. Ahart
1999-9-21
8266
Butte
Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
Comment
CHSC51348
Ambrosia acanthicarpa
Vernon Oswald; Lowell Ahart
1990-10-11
4459
Butte
Dark Canyon arm of Lake Oroville, about 4 miles south of Jarbo Gap.
259
Comment
CHSC76411
Ambrosia artemisiifolia
Lowell Ahart
1999-10-28
8317
Butte
Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
RSA769808
Ambrosia psilostachya
L. Ahart, John Dittes, Josephine Guardino
2008-11-8
15438
Butte
South bank of Lindo Channel, about 50-100 yards west of the diversion structure, north of Hooker Oak, Upper Bidwell Park, Chico
69
Comment
CHSC113529
Ammannia coccinea
Lowell Ahart
2014-9-23
19867
Butte
Near a small drainage, on the northeast part of Horseshoe Lake, about 100 yards northeast of the Rod and Gun Club, Upper Bidwell Park, about one mile east of Chico.
88
Comment
CHSC19540
Ammannia coccinea
F. T. Griggs
1974-8-8
143
Butte
Growing in the Sacramento River between the Hamilton City bridge and the mouth of Big Chico Creek.
Comment
CHSC42098
Ammannia coccinea
Lowell Ahart
1986-11-9
5442
Butte
About 1/10 mile south of the clay burrow for Oroville Dam, 1.4 mile east of Larkin Road, about 6 miles south-west of Oroville.
36
Comment
CDA36699
Ammannia coccinea
Margaret Bellue
1947-8-23
Butte
Afton Road near Biggs.
0
Comment
RSA6525
Ammannia coccinea
Jens Clausen
1932-9-16
658
Butte
20 miles south of Chico, between Richvale & Nelson
Comment
RSA688938
Ammannia coccinea
L. Ahart
1986-11-9
5442
Butte
About 0.1 mile S of the clay burrow for Oroville Dam, 0.25 mile E of Larkin Road, about 6 miles SW of Oroville.
37
Comment
CHSC32138
Ammannia robusta
L. Ahart
1974-9-8
631
Butte
Peter Ahart Ranch, Honcut.
45
Comment
HSC32642
Amsinckia douglasiana
Patricia Datzman
1974-4-20
27
Butte
N end of Table Mtn., near Oroville
305
Comment
JEPS34382
Amsinckia eastwoodiae
Rimo Bacigalupi and L. Heckard
1963-5-14
8858
Butte
Along Paradise Skyway, 0.5 mile west of junction with the Humbug Road (just SE of Chico).
Comment
UC1178253
Amsinckia eastwoodiae
Francia Chisaki with R. Bacigalupi and G. T. Robbins
1956-4-19
680
Butte
western section of town near road above the gorge Paradise
Comment
CHSC90931
Amsinckia intermedia
Lowell Ahart
2005-4-14
11700
Butte
On the west bank of a deep ditch, east of the railroad tracks, north of Spruce Street, Gridley.
28
Comment
UC727076
Amsinckia lycopsoides
A. A. Heller
1940-4-10
15535
Butte
e of Chico (alongside Bidwell Park, near the radio station)
Comment
CHSC37419
Amsinckia menziesii var. menziesii
R. Cushman
1972-5-5
10
Butte
West side of Chico State campus along the railroad tracks adjacent to tennis courts.
64
Comment
CHSC109061
Anagallis arvensis
Lowell Ahart; Linnea Hanson, Kaline Le Coq, Josephine Guardino
2012-4-27
17920
Butte
On the north side of the path, the path under the bridge, near the intersection of Centennial Avenue and Manzanita Avenue, Lower Bidwell Park.
80
Comment
CHSC38634
Anagallis arvensis
Vernon Oswald
1983-4-6
289
Butte
Upper Bidwell Park, chico, ca. 300 ft n of Upper Park Rd. and 2.4 mi e of the power lines (between parking Areas R and S).
256
Comment
CHSC8165
Andropogon glomeratus var. scabriglumis
Dave Isle
1969-5-17
480
Butte
Just off the N. side of the Upper Bidwell Park road about 40 yards E. of the Bear Hole turn-off.
59
Comment
CHSC31625
Andropogon virginicus var. virginicus
L. Ahart
1973-11-1
286
Butte
Along edge of North Honcut Creek. Peter Ahart Ranch, Honcut.
45
Comment
CHSC40467
Antennaria argentea
Lowell Ahart
1985-6-17
5048
Butte
Along the dirt road on Fields Ridge, about 4 miles south-east of Feather Falls.
792
Comment
CAS-BOT-BC84692
Anthemis cotula
Lowell Ahart
1987-5-27
5710
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
271
Comment
CAS-BOT-BC137750
Anthoxanthum odoratum
Lowell Ahart
1988-7-31
6150
Butte
On the east side of the West Branch of the Feather River, north of the bridge, about 4 road miles north of Stirling City.
914
Comment
CHSC11865
Apocynum androsaemifolium
E. B. Copeland
1930-7-7
442
Butte
Jonesville.
1650
Comment
JEPS113176
Apocynum androsaemifolium
Lowell Ahart
2007-5-29
13949
Butte
On the south side of the Dome Trail, trail leads to the Middle Fork of the Feather River, at the trail head which is 3/10 mile east of Bean Creek Road, about 2 miles (air) northeast of Big Bald Rock, about 16 miles (air) northeast of Oroville
844
Comment
UC726468
Apocynum androsaemifolium
A. A. Heller
1938-7-20
15276
Butte
high ridge between Inskip an Chaparral
1524
Comment
CHSC32153
Apocynum cannabinum
L. Ahart
1976-5-27
1133
Butte
La Porte Rd, ca. 100 yds above its jct with Robinson Mill Rd, ca. 2 mi sw of Rackerby.
609
Comment
CAS-BOT-BC392108
Aquilegia formosa
A. A. Heller
1915-6-25
12017
Butte
Chico Meadows in the Sierra Nevada
1219
Comment
RSA4208
Aquilegia formosa
E. B. Copeland
1929-7-15
362
Butte
Jonesville.
1550
Comment
CHSC52191
Aquilegia formosa var. truncata
Kirsten Tarp
1982-7-28
236
Butte
Ca. 23.5 air mi E of Chico.
1219
Comment
CHSC52193
Aquilegia formosa var. truncata
Kirsten Tarp
1983-7-22
297
Butte
E part of county, near Milsap Bar.
548
Comment
POM196106
Aquilegia formosa var. truncata
E. B. Copeland
1929-7-15
362
Butte
Jonesville.
1550
Comment
SEINET10454400
Aralia californica
Lowell Ahart, Peter Ahart
1983-7-24
Ahart 4214
Butte
T20N R7E ne sec 32. At the Forbestown Reservoir, ca. 5 mi ne of Forbestown. Yellow Pine Forest; 450 m.
450
Comment
CHSC93516
Arbutus menziesii
L. P. Janeway; B. Castro, Ana Castro Instone
2006-4-23
8559
Butte
Northern Sierra Nevada Foothills. North Table Mountain; near head of Campbell Creek and Beatson Hollow, about 150 m south of Phantom Falls. On steep west-facing slope between the top tablelands and the bottom of the Hollow.
375
Comment
CAS-BOT-BC407719
Arceuthobium abietinum
E. B. Copeland
1929-7-1
s.n.
Butte
Jonesville
1600
Comment
CHSC45039
Arceuthobium californicum
Lowell Ahart
1988-9-4
6173
Butte
Host trees were on the north side of the dirt road, south of a branch of Last Chance Creek, about 1 1/2 miles south-west of Bald Mountain.
1005
Comment
RSA632999
Arctostaphylos manzanita
Jon E. Keeley
1996-6-20
27477
Butte
Cohasset.
630
Comment
RSA633004
Arctostaphylos manzanita
Jon E. Keeley
1996-6-20
27450
Butte
Approximately 1/2 km west of Cohasset.
570
Comment
RSA122404
Arctostaphylos manzanita subsp. manzanita
J. E. Sowder
1933-11-27
134
Butte
2 mi. N. 1/4 mi. E. of Hog Spring.
335
Comment
CAS-BOT-BC24253
Arctostaphylos mewukka
John Thomas Howell
1978-4-18
52851
Butte
De Sabla.
853
Comment
CAS-BOT-BC24298
Arctostaphylos mewukka
A. A. Heller
1928-2-22
14476
Butte
Near Forest Ranch
Comment
CAS-BOT-BC24299
Arctostaphylos mewukka
A. A. Heller
1928-2-27
14477
Butte
Near Forest Ranch
Comment
SD60287
Arctostaphylos mewukka
A. A. Heller
1928-2-27
14477
Butte
Near Forest Ranch
Comment
JEPS119557
Arctostaphylos mewukka subsp. mewukka
Lowell Ahart
2012-2-22
17751
Butte
On the south side of Ten Mile House Road, about 1/2 miles west of Highway 32, about 9 miles (air) northeast of Chico.
Comment
JEPS119573
Arctostaphylos mewukka subsp. mewukka
Lowell Ahart
2012-2-22
17745
Butte
On the east side of South Rim Trail, about 1/4 mile southwest of the pond, about 5/8 mile west of Highway 32, about 8 3/4 miles (air) northeast of Chico.
Comment
SBBG126089
Arctostaphylos mewukka subsp. mewukka
L. Ahart
2012-1-12
17175
Butte
Peter Ahart Ranch, ca 1.5 mi N and 2.75 mi E of Honcut, ca 12 mi SE of Oroville
45
Comment
CAS-BOT-BC38612
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1967-6-22
42636
Butte
Magalia
701
Comment
CHSC108747
Arctostaphylos mewukka subsp. truei
B. Castro; L. P. Janeway
2002-7-7
1379
Butte
Northern High Sierra Nevada. Flat-topped knoll on E side of Lumpkin Ridge Road 1.3 mi E of the old Camp 18 site, and 0.2 mi SW of junction with USFS Rd 22N24 (which goes N and crosses Fall River).
1295
Comment
RSA4476
Arctostaphylos nevadensis
E. B. Copeland
1931-6-22
672 a
Butte
Jonesville. On ridge east of the Summit'
2100
Comment
CHSC21281
Arctostaphylos patula
M. S. Taylor
1974-3-3
71
Butte
13 mi E of Chico, on N side of the Skyway.
548
Comment
RSA381139
Arctostaphylos truei
J. T. Howell
1975-6-15
51109
Butte
Skyway near Billie Road, Paradise.
609
Comment
UCD51949
Arctostaphylos truei
John Thomas Howell
1975-6-15
51092
Butte
In Upper Sonoran Zone on volcanic rock, about 2 miles from Paradise on 'Skyway' to Chico, Butte County.
Comment
SEINET10907225
Arctostaphylos viscida
Mary Susan Taylor
1980-2-14
Taylor 2313
Butte
T19N R6E sw 1/4 sec 8. Macabes Creek, ca. 100 ft E of Lumpkin Rd, ca. 2.5 mi N of its jct with Forbestown Rd, ca. 18 mi NE of Oroville. Shaded, cool Riparian Woodland.
457
Comment
CHSC57370
Arctostaphylos viscida subsp. viscida
Patrick Cooley
1990-4-1
3
Butte
Jct. Skyway and Coutolenc Rd. ca. 1 1/2 mi. N of Paradise.
701
Comment
RSA636985
Arctostaphylos viscida subsp. viscida
Jon E. Keeley
1983-6-27
7814
Butte
Kunkle Reservoir, north of Highway 70 on Magolia-Pentz Road.
Comment
JEPS98293
Aristida dichotoma
Lowell Ahart
2000-6-27
8519
Butte
Big Bald Rock, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville.
993
Comment
CAS-BOT-BC137551
Aristida oligantha
Lowell Ahart
1976-12-29
s.n.
Butte
Honcut. Peter Ahart Ranch.
45
Comment
CAS-BOT-BC137558
Aristida oligantha
John Thomas Howell
1974-9-19
50885
Butte
Sierra Nevada. 1.5 miles south of Yankee Hill, Feather River Highway at Lunt Road.
Comment
UC203846
Aristida oligantha
A. A. Heller
1914-7-15
11576
Butte
uplands between Pentz and Dry Creek
Comment
SEINET10507253
Aristida oligantha
Mary Susan Taylor
1977-8-16
Taylor 1434
Butte
Abundant in Valley Grassland, near cul vert in natural drainage, ca. 1.2 mi E of junction of Pentz Road and Hwy 99, ca. 15 mi S of Chico.
61
Comment
CHSC26658
Arnica dealbata
M. S. Taylor; M. Hayes, R. Schlising
1977-8-17
1501
Butte
On n side of the Skyway, in Inskip.
1615
Comment
UC832874
Arnica dealbata
A. A. Heller
1914-6-22
11505
Butte
edge of the forest about Chico Meadows Chico Meadows
1219
Comment
CHSC113435
Arnica discoidea
Lowell Ahart
2014-7-7
19568
Butte
Along the east side of the Skyway, about one-mile south of Inskip.
1449
Comment
CHSC42852
Arrhenatherum elatius
Lowell Ahart
1987-5-27
5719
Butte
At the intersection of Big Bend Road and Dark Canyon Road, about 1 mile south of Jarbo Gap.
640
Comment
UCD129281
Artemisia douglasiana
A. A. Heller
1916-9-23
12661
Butte
near Forest Ranch.
Comment
CHSC44033
Artemisia tridentata subsp. tridentata
F. Jay Fuller
1988-6-17
520
Butte
Approx. 50 m southwest of bridge over Marble Creek.
1072
Comment Read comments Feb 14 2007
CHSC12608
Arundo donax
S. Posner
1972-9-28
Butte
Ca. 300 yds w of Nord Ave and ca. 250 yds s of Sacramento Ave, behind Trans-Pacific Gardens apartments (725 Nord Ave.) Chico.
Comment
CAS-BOT-BC400631
Asarum hartwegii
Helen M. Edwards
1917-6-1
s.n.
Butte
De Sabla
Comment
CAS-BOT-BC400638
Asarum hartwegii
A. A. Heller
1939-4-10
15374
Butte
Below Cohasset
Comment
POM161642
Asclepias cordifolia
E. B. Copeland
1909-7-13
s.n.
Butte
Jonesville.
1600
Comment
RSA401660B
Asclepias cordifolia
M. Vincent
1962-4-19
212
Butte
Humbug Road, 3 miles northeast of Centerville
Comment
CHSC108319
Asclepias fascicularis
Lowell Ahart
2011-8-17
17629
Butte
About 100 yards west of the table at the old homestead and southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
239
Comment
CHSC51849
Asclepias fascicularis
L. P. Janeway
1988-6-5
2732
Butte
Cyn of Big Chico Cr ca 1 me NE of the end of Upper Park Rd.
213
Comment
CHSC33104
Aspidotis californica
M. S. Taylor
1981-5-15
3732
Butte
N side of Feather River Hwy 70, at Plumas NF boundary sign, ca. 2 mi ne of Jarbo Gap.
609
Comment
UC474224
Aspidotis californica
H. F. Copeland
March, 1926
Butte
near Chico (Iron Canyon)
Comment
JEPS345
Aspidotis californica
R. M. Austin
Apr. 1883
Butte
Big Chico Canyon
Comment
CHSC36896
Aspidotis densa
L. Ahart
1982-6-15
3566
Butte
Ca. 1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls.
1000
Comment
CAS-BOT-BC65911
Aspidotis densa
Clarence R. Quick
1952-7-1
52 -132
Butte
at junction of Mill Creek Road and Feather River Highway (Pulga)
Comment
SEINET10473398
Aster
Mary Susan Taylor
1977-11-12
Taylor 1537
Butte
Up to 1/4 mi beyond end of Upper Bidwell Park Road, just out of Upper Bidwell Park, Chico. Foothill Woodland.
Comment
SEINET10474437
Aster oregonensis subsp. californicus
Mary Susan Taylor
1982-8-16
Taylor 4984
Butte
T23N R3E sw/sw sec 30. Paradise E quad. In Mixed Evergreen Forest; on edge of serpentine outcrop, just s of old RR Xing over Coutelenc Rd, at the Skyway, Magalia. 2400 ft.
Comment
CAS-BOT-BC178462
Astragalus gambelianus
Lowell Ahart
1985-3-24
4851
Butte
Serpentine Point, west of Yankee Hill
550
Comment
CHSC67362
Astragalus gambelianus
James D. Jokerst; R. A. Schlising
1985-4-8
2215
Butte
Serpentine Point W and adjacent to Hwy. 70 ca. 0.5 mi S of Lunt Rd. In vicinity of highway right of way fence.
548
Comment
CHSC825
Astragalus gambelianus
M. Roberson
1956-5-2
Butte
SW of Paradise along Skyway.
426
Comment
CAS-BOT-BC193220
Astragalus tener var. ferrisiae
Mrs. C. C. Bruce
1897-4-1
2078
Butte
Oroville road
Comment
CAS-BOT-BC66024
Athyrium filix-femina var. cyclosorum
E. B. Copeland
1929-7-29
26
Butte
Jonesville
1600
Comment
CHSC33977
Athyrium filix-femina var. cyclosorum
M. S. Taylor
1981-5-14
3707
Butte
S side of 22N49, at jct where creek crosses the rd (next creek e of Little Ram Creek), ca. 1 mi sw of the rds jct with Four Mile Ridge Rd, ca. 0.5 mi n of Mt House on Oroville-Quincy Hwy.
975
Comment
CHSC61032
Atriplex minuscula
Vernon H. Oswald
1993-7-29
5735
Butte
Gray Lodge Wildlife Management Area W of Gridley, on the W side of a levee road and on the S side of Rutherford Rd. just E of the headquarters complex, ca. 1.75 mi W of Pennington Rd.
19
Comment
CHSC34771
Atriplex serenana
L. Ahart
1981-10-6
3218
Butte
Near entrance to Graylodge Waterfowl Mgmt HQ, just w of Pennington Rd, ca. 12 mi sw of Gridley.
35
Comment
SEINET516428
Atriplex serenana
Lowell Ahart
1981-1
3007
Butte
Stem from a large plant, growing on dry bare soil, 1/10 mi W of Pennington Rd., on the N side of the rd. to the Gray Lodge Waterfowl Management Area Headquarters, about 12 mi. SW of Gridley.
30
Comment
JEPS90626
Atriplex subtilis
Vernon H. Oswald
1993-7-29
5730
Butte
w side of levee rd. ca. 100 ft s Parking Lot 5 on Rutherford Road (0.5 mi w of Pennington Rd., w of Gridley); Gray Lodge Wildlife Management Area
21
Comment
CHSC31391
Avena barbata
J. D. Jokerst
1979-4-13
1200
Butte
Top of North Table Mt in the vicinity of Coal Cr Canyon.
396
Comment
CHSC46432
Avena barbata
Lowell Ahart
1989-5-10
6216
Butte
Near Lake Oroville, about 1/10 mile north-west of the West Branch Bridge across Lake Oroville.
289
Comment
CHSC9339
Avena sativa
B. Anthony
1968-5-17
523
Butte
Corner of Pentz Road and Dry Creek Road, Pentz.
Comment
CHSC44628
Azolla filiculoides
Vernon Oswald
1987-5-20
2913
Butte
Butte Creek Canyon Ecological Reserve on the s side of Butte Creek, ne of the Skyway.
80
Comment
UC1562395
Azolla filiculoides
Lowell Ahart
1990-5-20
6473
Butte
ca. 4 1/2 mi sw of Oroville (ca. 1/4 mi s of Feather River, ca. 4/10 mi w of Pacific Heights Rd.)
30
Comment
CAS-BOT-BC98621
Baccharis pilularis
unspecified
1929-11-1
s.n.
Butte
Cultivated at Chico U.S. Experimental Station
Comment
CHSC103164
Baccharis pilularis
Lowell Ahart
2009-11-19
16544
Butte
About 30 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
209
Comment
CAS-BOT-BC98185
Baccharis salicifolia
Gordon H. True
1971-4-8
6450
Butte
Gray Lodge Wildlife Area, Valley Grassland, 7 miles southwest of Gridley.
24
Comment
CAS-BOT-BC98187
Baccharis salicifolia
A. A. Heller
1914-3-28
11241
Butte
Dry Creek, 12 miles southeast of Chico
Comment
CHSC46907
Baccharis salicifolia
Lowell Ahart
1984-10-14
4814
Butte
Along North Honcut Creek, about 3/4 mile north and 2 1/4 miles east of Honcut, about 12 miles south of Oroville.
36
Comment
RSA758602
Bacopa repens
Peter Fritsch, Boni Cruz
2005-8-9
1788
Butte
Biggs Rice Experiment Station, about 3.5 miles northwest of Biggs. Weed experiment plot at the corner of Riceton Road and Hamilton Road.
41
Comment
UCD97523
Bassia hyssopifolia
Lowell Ahart
1981-11-6
3222
Butte
Gray Lodge, south-west of Gridley.
35
Comment
CHSC44474
Berberis aquifolium var. dictyota
Lowell Ahart
1988-3-27
5942
Butte
Along Poe Power House Road, about 1/10 mile north of the bridge across the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap.
350
Comment
UC725880
Berberis aquifolium var. repens
A. A. Heller
1939-4-8
15365
Butte
2 mi e Magalia (on the Coutolene rd)
Comment
CHSC65198
Bergia texana
Lowell Ahart
1995-7-15
7594
Butte
Peter Ahart Ranch, about 1-1/2 miles north and 3/4 miles east of Honcut, about 12 miles south of Oroville.
36
Comment
HSC96972
Bergia texana
L. Ahart
2006-8-5
13083
Butte
Peter Ahart Ranch, ca. 1.5 mi. N and 300 yards E of Honcut, ca. 12 mi. S of Oroville.
30
Comment
JEPS110451
Bergia texana
Lowell Ahart
2006-8-5
13083
Butte
On the bottom of a large wash, Peter Ahart Ranch, about 1 1/2 miles north and 300 yards east of Honcut, about 12 miles south of Oroville
30
Comment
CHSC116138
Bidens frondosa
Lowell Ahart
2015-10-26
20590
Butte
Strand of Lake Oroville, on the west side of the West Branch of the Feather River, about 1 mile (air) southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise.
207
Comment
CHSC30414
Bidens frondosa
M. Merryman
1979-9-23
50
Butte
SW of Chico, just E of Ord Ferry and Sacramento River.
30
Comment
JEPS120603
Bidens frondosa
Lowell Ahart
2013-11-17
19259
Butte
McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville.
Comment
JEPS124257
Bidens frondosa
Lowell Ahart
2015-10-26
20590
Butte
About 1 mile (air) southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise.
Comment
HSC43098
Blennosperma nanum var. nanum
Maralyn O'Meara
1974-4-20
302
Butte
Table Mtn.
305
Comment
JEPS119678
Blennosperma nanum var. nanum
Lowell Ahart
2012-5-4
17988
Butte
About 1 1/4 miles northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
Comment
CHSC46283
Boechera arcuata
Vernon Oswald
1989-5-25
3785
Butte
Railroad between Pulga and Mayaro. On the river side of the RR between Dogwood and Camp Creeks.
438
Comment
UCD114301
Boechera arcuata
Robert E. Preston
1985-4-4
510
Butte
ca. 0.5 mi SW of Mayaro.
585
Comment
RSA34062
Boisduvalia stricta
A. A. Heller
1900-5-8
5513
Butte
Berry Canyon
Comment
CHSC46319
Bolboschoenus maritimus subsp. paludosus
Vernon Oswald
1989-6-6
3798
Butte
Butte Sink Wildlife Area (w portion of Schohr Ranch). Field on the n side of Cutte Creek, s of the road leading to ranch headquarters.
19
Comment
CHSC8190
Brachypodium distachyon
Dave Isle
1969-5-20
476
Butte
10 yards S. of the road through upper Bidwell Park, 50 yards W. of the turn-off to Bear Hole.
59
Comment
SEINET10448253
Brassica nigra
Mary Susan Taylor
1982-5-22
Taylor 4501
Butte
T17N R1E se/se sec 13. Pennington quad. Graylodge Wildlife Refuge, ca. 1/4 mi n of Checkin Station on w side of Pennington Rd, 12 mi sw of Gridley. 70 ft.
21
Comment
CHSC38061
Brassica oleracea var. gemmifera
R. E. Preston
1982-3-25
198
Butte
In a garden in Chico.
Comment
CHSC39608
Brassica rapa
Lowell Ahart
1983-2-21
3903
Butte
In a field, Peter Ahart Ranch, about 2 1/2 miles north and 3/4 mile east of Honcut.
40
Comment
CHSC4029
Brassica rapa
Sadie Gualtieri
1967-3-13
Butte
Collected: Chico State College in a field parking lot behind Humanities Building on corner 2nd. St., N. side.
Comment
CHSC2126
Briza minor
H. Silberman
1949-5-17
Butte
N. side of Big Chico Creek canyon, 7 1/2 mi. ENE Chico.
152
Comment
UC203848
Briza minor
A. A. Heller
1914-4-14
11289
Butte
8 mi n Oroville (along streams and low places)
Comment
SEINET11672243
Briza minor
Unknown
1978-1
10
Butte
ca 12 mi N of Chico on CA 99 at Broyles Rd
67
Comment
CHSC75412
Brodiaea californica var. californica
Jennifer Slater
1997-4-20
29
Butte
At the Wurlitzer addition of the Vina Plains Preserve, west of Highway 99, approx. 10 miles north of Chico.
94
Comment
UCD77145
Brodiaea coronaria
Robert E. Preston
2003-5-11
2134
Butte
Chico, Upper Bidwell Park, ca. 0.2 mi NE of jct Wildwood Ave. and Upper Park Rd
83
Comment
UCD77199
Brodiaea coronaria
Robert E. Preston
2003-6-13
2157
Butte
North Table Mountain, along Cherokee Rd, 1.6 mi N of its jct with Oregon Gulch Rd
426
Comment
UC203652
Brodiaea coronaria subsp. coronaria
A. A. Heller
1914-5-8
11382
Butte
near Clear Creek school house
Comment Read comments Jun 17 2014
UC768717
Brodiaea coronaria subsp. coronaria
R. F. Hoover
1937-5-19
2246
Butte
10 mi nw Chico
Comment Read comments Jun 17 2014
JEPS50771
Brodiaea elegans subsp. elegans
Rimo Bacigalupi with Paul Hutchison and L. R. Heckard
1967-6-16
9290
Butte
about 1 mi n of beginning of grade on Feather River Highway (just e of Messilla Valley)
304
Comment
POM169538
Brodiaea elegans subsp. elegans
A. A. Heller, H. E. Brown
1902-5-8
5492
Butte
Berry Canyon (near Clear Creek)
Comment
CAS-BOT-BC482930
Brodiaea elegans subsp. elegans
A. A. Heller; H. E. Brown
1902-5-8
5492
Butte
Berry Canyon (near Clear Creek)
Comment
JEPS93812
Brodiaea minor
Lowell Ahart
1998-7-19
8046
Butte
on w side of Hurleton Swedes Flat Road about 1 1/2 air mi s of Hurleton (about 11 air mi se of Oroville); Hurleton Swedes Flat Road
487
Comment
POM109800
Brodiaea minor
C. C. Bruce
1897-04
2123
Butte
Oroville road.
Comment
UC1075908
Brodiaea nana
E. K. Balls and L. W. Lenz
1955-5-13
20483
Butte
10.8 mi n Oroville (on road to Paradise)
121
Comment
CAS-BOT-BC484590
Brodiaea purdyi
H. C. Cantelow
1940-5-10
3913
Butte
s.w. of Oroville Hwy 24
Comment
CAS-BOT-BC486482
Brodiaea sierrae
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
UCD139163
Brodiaea sierrae
Lowell Ahart
1998-7-10
8036
Butte
on the southeast side of North Honcut Creek, Peter Ahart Ranch, about 1.5 miles north and 2.75 miles east of Honcut about 12 miles southeast of Oroville.
54
Comment
CHSC2128
Bromus catharticus
H. Silberman; D. Isaac
1949-5-9
Butte
W. side football field, CSU campus.
Comment
CHSC82266
Bromus catharticus
Lowell Ahart
2002-4-15
9493
Butte
On a canal bank, on the west side of Faris Road, 3 miles west of West Biggs Gridley Road, about 3 miles (air) southwest of Biggs.
24
Comment
JEPS94726
Bromus commutatus
Lowell Ahart
1998-6-30
8015
Butte
about 7 air mi n Oroville (sw of the ione oak tree, w of the cow chute on w side of Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road
403
Comment
UC1131009
Bromus commutatus
C. G. Albertus
1933-6-6
14
Butte
1 mi w of Nelson's Bar
274
Comment
CHSC4367
Bromus hordeaceus
M. Hillier
1966-5-30
Butte
In field by ski jump nw of CSC gym. Chico.
Comment
UCD58892
Bromus laevipes
P. B. Kennedy
1914-5-1
4753 a
Butte
Grade to Paradise.
Comment
JEPS117882
Bromus madritensis subsp. madritensis
L. P. Janeway
2008-4-2
9249
Butte
East edge of City of Chico Cascade Range Foothills (slope on north side of Humboldt Road 2.9 km northeast of Bruce Road)
167
Comment
UC1609036
Bromus orcuttianus
Lowell Ahart
1993-7-22
7072
Butte
about 5 1/2 air mi ne of Feather Falls (on w side of dirt rd about 1/2 mi nw of Camp 18)
1097
Comment
CHSC49516
Bromus racemosus
Vernon Oswald
1988-5-18
3318
Butte
Honey Run Rd. 0.7 mi sw of the Skyway, Paradise. On the edge of the road.
426
Comment
CAS-BOT-BC161965
Bromus rubens
L. W. Swift
1934-5-7
100
Butte
Outside Forest.
731
Comment
CHSC9482
Bromus tectorum
Harley J. Parmenter
1969-3-4
22
Butte
40 yds. s of Richardson Spring Road, 5 yds e of Cohasset Road.
97
Comment
CHSC78176
Bulbostylis capillaris
Lowell Ahart
2000-6-6
8455
Butte
On the bottom of an old gold mining pit, about 200 yards northwest of where the dirt road crosses oregon Gulch Creek, about 1/4 mile north of the cemetary, about 1 1/2 mile south of Crystal Hill, about 5 miles (air) east of Oroville Dam.
304
Comment
JEPS87443
Bulbostylis capillaris
Lowell Ahart
1993-7-29
7117
Butte
2.5 mi ne Bald Mountain (about 6.5 mi ne of Stirling City)
1584
Comment
CHSC43260
Calamagrostis canadensis
Lowell Ahart; Tim Devine, Vern Oswald
1987-10-17
5917
Butte
Along the East Fork of Last Chance Creek, about 1/2 mile north-west of Jones Meadow.
1676
Comment
CHSC68913
Calamagrostis canadensis var. langsdorffii
Lowell Ahart
1997-7-11
7757
Butte
Near the west edge of a bog, east of the dirt road, about 1/4 mile (air) east of Bald Mountain, about 4 miles (air) northeast of Stirling City.
1676
Comment
UC600490
Calandrinia ciliata
H. F. Copeland
1931-7-10
Butte
gulch opening into Colby Canyon; Jonesville
1524
Comment
CHSC47393
Callitriche heterophylla var. bolanderi
Lowell Ahart
1984-5-7
4595
Butte
In a small pool, east of Kunkle Creek, about 1/2 mile north of Kunkle Reservoir, about 2 miles south of Paradise.
548
Comment
CHSC96424
Callitriche heterophylla var. bolanderi
Lowell Ahart
2007-4-16
13672
Butte
In shallow water of a small wash, about 100 yards east of North Honcut Creek, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles southeast of Oroville.
63
Comment
CHSC50826
Callitriche verna
Vernon Oswald
1990-7-23
4380
Butte
Butte Creek House Meadow Ecological Preserve, ca. 3.5 mi east-southeast of Jonesville. In a pool in the main meadow along the north branch of Butte Creek.
1780
Comment
CHSC7125
Calochortus albus
James M. Watson
1969-4-23
10
Butte
1 mi ne of Oroville on Cherokee Road.
304
Comment
UC600460
Calochortus leichtlinii
E. B. Copeland
1931-7-12
Butte
ridge between Jones and Willow Creek; Jonesville
1700
Comment
CHSC4674
Calochortus luteus
R. Carter
1966-4-30
386
Butte
Found 7 mi. E of Oroville ca. 1/8 mi. W off Feathervale at 6120 Woodleaf St. Rt.
243
Comment
CHSC47585
Calochortus luteus
Lowell Ahart
1977-5-2
1342
Butte
Peter Ahart Ranch, about 2 miles north and 2 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
CHSC76968
Calochortus luteus
Ida Ryan
1893-5-1
Butte
Humboldt Road.
Comment
CAS-BOT-BC491851
Calochortus luteus
H. E. Brown; A. A. Heller
1902-5-8
5494
Butte
Berry Canyon, Near Clear Creek
Comment
CAS-BOT-BC491858
Calochortus luteus
H. C. Cantelow
1940-5-10
s.n.
Butte
10miles east of Oroville, Bidwell Bar Bridge
Comment
SEINET12048525
Calochortus luteus
S. M. Schulz
1978-1
19
Butte
ca 2 mi NE Chico on Humboldt Rd, ca 5 yds S of road
76
Comment
SEINET12053936
Calochortus luteus
D. A. Tillotson
1890-1
s.n.
Butte
no further locality
Comment
CHSC90084
Calochortus monophyllus
Ross Rowland
2001-3-28
12
Butte
At the end of Keffer Lane; 1/4 mile north of Skyway in Paradise.
493
Comment
CAS-BOT-BC492600
Calochortus monophyllus
A. A. Heller
1940-4-29
15565
Butte
On the Clark Road, 2 miles below Paradise,
Comment
CAS-BOT-BC492606
Calochortus monophyllus
Mrs. J. H. Morrison
1932-4-1
s.n.
Butte
Durham
Comment
CHSC62607
Calochortus superbus
B. Castro; J. Jurewicz
1993-7-7
467
Butte
Ca 2.5 mi SSW of Big Bar Mtn, on SE-facing slope on the N side of USFS Rd 22N84.
944
Comment
CHSC21261
Calochortus tolmiei
M. S. Taylor
1973-5-2
29
Butte
Ca. 150 ft. n of Billy Road Crossing, Paradise.
762
Comment
CHSC40406
Calochortus tolmiei
Lowell Ahart
1985-5-15
5000
Butte
1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res.
731
Comment
CAS-BOT-BC494322
Calochortus tolmiei
Helen M. Edwards
1917-5-1
s.n.
Butte
De Sabla
Comment
CHSC105802
Caltha leptosepala
Lowell Ahart
2010-9-28
17266
Butte
On the south edge of a 10 acre meadow, about 100 yards east of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir.
1886
Comment
CHSC46281
Calycadenia fremontii
Vernon H. Oswald
1989-5-10
3762
Butte
Wurlitzer Unit, Vina Plains Preserve. Bordering a dry wash between Singer and Pine Creeks near the E boundary.
57
Comment
CHSC112679
Calycadenia multiglandulosa
Lowell Ahart
2013-7-1
18817
Butte
Open disturbed area, about 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown.
737
Comment
CHSC108165
Calycadenia oppositifolia
L. P. Janeway
2011-8-17
10657
Butte
Northern High Sierra Nevada. Plumas National Forest; east slope of Bloomer Hill, 850m east-southeast of the top. Small flat at western end of the rock-garden-like opening in Ponderosa pine dominated mixed conifer forest.
721
Comment
UC1971667
Calycadenia oppositifolia
1977-7-6
2033
Butte
Big Ridge Road, 2.3 mi SE of jct with Oroville - Quincy Hwy, S of Berry Creek, on runoff area just above road (=GDC 699A)
610
Comment
UC726409
Calycadenia oppositifolia
A. A. Heller
1938-5-22
15108
Butte
e of, near the airport Chico
Comment
CHSC110254
Calycadenia truncata
L. P. Janeway
2012-10-11
11071
Butte
Northern High Sierra Nevada. Plumas National Forest; southwest-ern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines.
895
Comment
CHSC25457
Calycadenia truncata
Marc Hayes; Warner
1977-9-12
99
Butte
On Butte College Campus, at intersection of Pentz and Clark Rds., ca. 15 SE of Chico.
82
Comment
CHSC52383
Calycadenia truncata
R. L. Ondricek-Fallscheer
1982-10-30
162
Butte
SW tip of Flatiron Ridge, ca. 3 1/2 mi WSW of Paradise.
146
Comment
SD50979
Calycadenia truncata
Darley F. Howe
1960-9-20
2981
Butte
8 miles from Oroville, north fork of Feather River Canyon.
149
Comment
UC1971768
Calycadenia truncata
R. L. Carr
1986-10-3
2268
Butte
6.6 mi NE of Chico on Hwy 32 (from Hwy 99 jct), very near milepost 17.00
Comment
POM298259
Calycadenia truncata subsp. scabrella
D. D. Keck, J. Clausen
1935-6-25
3778
Butte
2.2 miles south of Flea Valley on road to Yankee Hill
Comment
HSC96983
Calycanthus occidentalis
L. Ahart
2006-6-9
12662
Butte
W side of Bardees Bar Rd., 1/8 mi. W of the bridge across the N Fork of the Feather River at Bardees Bar, 2.75 mi. SW of Pulga
386
Comment
UCD68064
Calycanthus occidentalis
Paul Quiggle
1976-5-24
9
Butte
Lassen National Forest, approximately 35 miles East of Chico, California, on the East bank of Deer Creek. Plant found in mid-day sunlight.
Comment
POM97739
Calycanthus occidentalis
Mrs. R. M. Austin
1883-05
12
Butte
Butte Creek.
Comment
CHSC43717
Calyptridium monospermum
Vernon Oswald
1983-6-22
727
Butte
Calif. Hwy. 32 2.8 mi n-e of Forest Ranch.
899
Comment
CHSC57127
Calyptridium monospermum
L. P. Janeway
1988-6-25
2881
Butte
Creek along Bull Hill Road 2.2 mi from the Skyway. Disturbed (logged) slopes above the creek.
1508
Comment
CAS-BOT-BC223609
Calystegia atriplicifolia subsp. buttensis
R. K. Brummitt; R. Schlising
1998-5-16
19869
Butte
Forest Ranch, 22 km NE of Chico on Rte. 32, at Schott Road junction
800
Comment
JEPS110268
Calystegia atriplicifolia subsp. buttensis
Lowell Ahart
2006-6-24
12858
Butte
Disturbed area on the west side of the dirt road (Ponderosa Way), at an intersection, a gated road goes northwest, on Cohasset Ridge, about 3 3/4 miles (air) northeast of Cohasset
1127
Comment
JEPS113304
Calystegia atriplicifolia subsp. buttensis
L. P. Janeway
2006-7-9
8804
Butte
High Cascade Range. Doe Mill Ridge; along Doe Mill Road 3.1 km north-northeast of Schott Road.
Comment
CHSC48299
Calystegia malacophylla
Vernon Oswald
1983-8-17
981
Butte
Humboldt Summit on Humboldt Road, NE of Jonesville at the junction of Butte, Tehama and Plumas Counties.
1999
Comment
UC436302
Calystegia malacophylla subsp. malacophylla
E. B. Copeland
July, 1930
Butte
Jonesville
1550
Comment
UC600771
Calystegia malacophylla subsp. malacophylla
H. F. Copeland
1920-7-6
339
Butte
Jonesville woods Jonesville
Comment
CDA13314
Calystegia occidentalis subsp. occidentalis
G. F. Hrusa, T. D. Wilfred
1996-7-9
13160
Butte
Sierra Nevada; USFS N60 approx. 0.4 m E of bridge over Marble Creek.
Comment
SEINET10472622
Camassia leichtlinii
Mary Susan Taylor
1978-6-24
Taylor 1657
Butte
Montane Meadow, on N side of Scotts John Road, ca. 3 mi E of its junction with Old Humboldt Road, ca. 5 mi E of Jones ville; Yellow Pine Forest.
1676
Comment
CHSC45797
Camassia quamash subsp. quamash
L. P. Janeway
1988-6-25
2898
Butte
Small mdw along Bull Hill rd 2.9 mi from The Skyway.
1508
Comment
CHSC12167
Cardamine oligosperma
Lowell Ahart
1973-2-21
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC28904
Cardamine oligosperma
M. S. Taylor
1980-3-1
2341
Butte
On north facing bluffs looking into Nance Canyon, ca. 1/4 mi n of Neal Rd, ca 3 mi e of its jct with Hwy 99, ca. 7 mi s of Chico.
121
Comment
SEINET3013179
Cardamine oligosperma
Sherri Wemple
1992-6-16
8
Butte
Butte County, CA Covered Bridge 10.2 km SE of Chico
Comment
CHSC96367
Cardamine pachystigma
George Hartwell
2007-2-19
Butte
Northern Sierra Nevada Foothills. Dark Canyon Road.
294
Comment
CHSC101492
Cardamine pachystigma var. dissectifolia
Samantha Mackey Hillaire
2007-4-17
1250
Butte
DeSabla Powerhouse Road, Butte Creek Canyon, approximately 1 mile SW of DeSabla Reservoir. UTM 10 618377E, 4414780N.
463
Comment
CHSC101155
Carduus pycnocephalus
Lowell Ahart
2009-5-15
15691
Butte
On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
203
Comment
JEPS120929
Carex
Lowell Ahart
2013-5-27
18710
Butte
About 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown.
Comment
CHSC45074
Carex abrupta
Vernon Oswald
1987-6-9
2964
Butte
Scotts John Creek where it crosses the connector road between Humboldt and Humbug roads, ca. 2.5 mi e of Jonesville.
1755
Comment
UC201827
Carex amplifolia
H. M. Hall
1914-7-25
9782
Butte
Jonesville Sierra Nevada Mountains, Jonesville
1554
Comment
CAS-BOT-BC17811
Carex amplifolia
Lowell Ahart
1985-6-30
5077
Butte
East of the dirt road to the Forbestown Reservation, about 2.5 miles northeast of Forbestown.
868
Comment
CHSC105796
Carex angustata
Lowell Ahart
2010-9-28
17261
Butte
West edge of a 10 acre meadow, about 50 yards east of the poor dirt road, about 20 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir.
1886
Comment
SEINET7549688
Carex angustata
L. P. Janeway
2003-6-8
7823
Butte
High Cascade Range. Flea Valley: meadow at head of Concow Creek. Pulga quad.
1091
Comment
CHSC52843
Carex athrostachya
L. P. Janeway; C. A. Janeway
1986-8-31
1810
Butte
Along north shore of Philbrook Reservoir at main PG and E campground.
1691
Comment
UCD140165
Carex barbarae
John Thomas Howell
1955-9-6
30908
Butte
Bank of Butte Creek east of Butte City.
Comment
CHSC104785
Carex bolanderi
L. P. Janeway
2010-6-19
10029
Butte
Northern High Sierra Nevada. Along Bean Creek Road 0.4 km northwest of spur road to Dome Trail trailhead; 1.2 km south-southwest of Bald Rock dome; on ridge between Middle Fork Feather River and Bean Creek.
883
Comment
CHSC94398
Carex bolanderi
Lowell Ahart
2006-8-15
13192
Butte
East part of a large meadow with bogs, on the east side of Willow Creek, about 100 yards southeast of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1569
Comment
JEPS116085
Carex bolanderi
Lowell Ahart
2009-5-30
15790
Butte
Along a small stream about 20 yards south of the fence and about 100 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
269
Comment
CHSC41246
Carex brainerdii
J. D. Jokerst
1985-5-20
2512
Butte
Ca. 1 mile north of Stirling City, along edge of dirt road several hundred meters NW of Breedlove Reservoir.
1127
Comment
CAS-BOT-BC34373
Carex cusickii
L. P. Janeway
1988-7-29
3110
Butte
Meadow on south side of Butte Creek 0.5 mile west of Cherry Hill.
1402
Comment
CHSC115742
Carex cyrtostachya
Peter F. Zika
2011-7-6
25536
Butte
Northern Sierra Nevada Highlands. Pinkard Creek, below Mooreville Ridge Road, 1.2 road miles N of dam on Lost Creek Reservoir.
1040
Comment
CHSC115865
Carex cyrtostachya
P. F. Zika; B. Wilson, L. Ahart, L. Janeway
2011-8-5
25713
Butte
Lumpkin Road, 1.1 road km SW of junction with road to Cascade, headwaters of upper W branch of Know-nothing Creek, 2.1 air km S of top of Quartz Hill, northern Sierra Nevada Highlands.
1000
Comment
CHSC31675
Carex densa
L. Ahart
1976-4-12
1060
Butte
Along a small wash in one of the pasture fields. Peter Ahart Ranch, Honcut.
45
Comment
JEPS109982
Carex disperma
Dean W. Taylor
2006-8-1
s. n.
Butte
200 ft E of Keyser Creek
1554
Comment
CHSC111961
Carex divulsa subsp. divulsa
Lowell Ahart
2012-5-25
18113
Butte
On dry good soil, not maintained lawn, NW of intersection of W. Frances Willard Ave. and Arcadian Ave., 1 block so. of Chico High School, Chico.
59
Comment
CAS-BOT-BC19848
Carex echinata
H. F. Copeland
1932-7-17
s.n.
Butte
Jonesville.
Comment
CAS-BOT-BC19849
Carex echinata subsp. echinata
L. P. Janeway; R. A. Schlising; B. Castro; Pauleen Broyles
1987-7-19
2506
Butte
Southernmost pond on slopes on south side of Coon Hollow.
1767
Comment
CHSC96875
Carex echinata subsp. echinata
Lowell Ahart
2007-6-12
14078
Butte
In shallow water (small spring), about 70 yards south of Bean Creek Road, about 1/4 mile (air) southeast of Little Bald Rock, about 15 miles (air) northeast of Oroville.
974
Comment
CHSC102592
Carex feta
L. P. Janeway; B. Castro
2009-7-4
9837
Butte
Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin.
1469
Comment
CHSC44439
Carex feta
Lowell Ahart
1988-6-23
6065
Butte
In a small meadow, north of Forbestown Road, about 1/12 mile east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road.
670
Comment
CHSC106516
Carex fracta
Peter F. Zika
2009-8-18
24616
Butte
Cascade Range Highlands (CaRH). 2 air km S of Humboldt Summit, above Humboldt Road.
1900
Comment
CHSC113415
Carex fracta
Lowell Ahart
2014-7-16
19678
Butte
Northeast of a large wet meadow (some bog), about 50 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
CHSC42949
Carex fracta
Lowell Ahart
1987-7-8
5797
Butte
Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga.
1280
Comment
CHSC43116
Carex fracta
L. P. Janeway; Patty Costello
1987-9-5
2576
Butte
NW side of Big Chico Cr below the rd to Soda Spr campground and near hwy 32.
1127
Comment
UCD140346
Carex fracta
L. P. Janeway
1987-6-26
2296
Butte
Rag Dump, Fall Creek.
1173
Comment
SEINET4286139
Carex infirminervia
L. Janeway, Gog, L
2008-1
3193 C
Butte
Just east of Philbrook Resevoir.
Comment
CAS-BOT-BC7575
Carex integra
J. D. Jokerst; R. A. Schlising
1982-5-19
1579
Butte
Grassy area adjace to Fall River in area of Fall River Campground, 1.55 miles north of Camp 18.
1005
Comment
CHSC52917
Carex jonesii
L. P. Janeway; R. A. Schlising
1988-7-22
3074
Butte
Seep just above the High Lakes Road 2.4 mi W of the pass; canyon of Philbrook Creek.
1905
Comment
CHSC84921
Carex lemmonii
L. P. Janeway
2003-7-13
7902
Butte
High Cascade Range. Meadow along southeast side of Humbug Summit Road, at the Cornelia Lott Sank Memorial Spring.
1519
Comment
SEINET7485354
Carex lemmonii
Peter F. Zika
2009-1
24519
Butte
below Concow Road 11.5 road miles above (N of) Route 70, at Dixie Road, Cascade Range
1210
Comment
CAS-BOT-BC31500
Carex leptopoda
A. A. Heller
1928-7-10
14667
Butte
Wet meadows at Butte Meadows
Comment
CHSC82147
Carex mariposana
L. P. Janeway
1987-6-27
2338
Butte
Canyon of Little Kimshew Creek, along road 0.9 mi N of the Concow Road.
1508
Comment
CHSC3763
Carex multicaulis
R. L. Adams
1964-4-12
87
Butte
1/2 mi. W. Ten Mile House, Highway 32 on N. side road. 8 mi. from Chico.
Comment
CHSC43921
Carex multicaulis
L. P. Janeway; C. A. Janeway
1987-4-20
2007
Butte
In front of county line sign along hwy 32 less than 1 mi N of Humboldt Road (to Butte Mdws).
1097
Comment
CHSC49391
Carex multicostata
L. P. Janeway; R. A. Schlising, B. Castro, F. Jay Fuller
1988-7-11
2993
Butte
At Crane Valley (upper Big Kimshew Cr).
1569
Comment
CHSC44837
Carex nervina
L. P. Janeway; R. A. Schlising, B. Castro
1988-7-30
3147
Butte
Along W Br Feather River, 1.5 mi along Humbug Summit Rd N of Philbrook Rd.
1584
Comment
CHSC42802
Carex pellita
L. P. Janeway; C. A. Janeway
1986-8-31
1815
Butte
NE side of Philbrook Reservoir, across the rd from the picnic area.
1691
Comment
CDA2572
Carex pendula
L. P. Janeway
2004-6-2
8137
Butte
Sacramento Valley; South end of Chico; along edge of Comanche Creek at the bicycle bridge (former railroad bridge) about 150 m southeast (upstream) of the Midway (road) bridge across the creek.
Comment
CHSC102840
Carex praegracilis
Lowell Ahart
2009-6-3
15824
Butte
On the east side of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
236
Comment
CHSC48557
Carex rossii
L. P. Janeway; R. A. Schlising, B. Castro
1988-7-30
3137
Butte
The ridge SE from Snow Mtn. N edge of ridgetop.
2103
Comment
HSC87282
Carex stipata var. stipata
L. P. Janeway
1987-6-8
2175
Butte
Jack Creek, 8.6 mi. S of Big Bar Mtn. via dirt road
747
Comment
CAS-BOT-BC116747
Carex subfusca
R. Tallent
1987-8-18
956
Butte
Lassen National Forest. Along Feather River N of Stirling City.
1036
Comment
SEINET7577169
Carex subfusca
Ray Tallent
1987-8-18
955
Butte
Lassen National Forest. River bank just above bridge near West Branch (of the Feather River) campground.
1620
Comment
UCSC000113
Carex subfusca
H. F. Copeland
1932-8-22
s.n.
Butte
At spring, Butte Creek Crest
Comment
CAS-BOT-BC115684
Carex texensis
L. P. Janeway
1989-6-1
3270
Butte
Campus of CA State Univ, Chico. Semi-natural area on N side of Big Chico Cr,
57
Comment
SEINET10880020
Carex tompkinsii
Mary Susan Taylor
1980-5-8
Taylor 2599
Butte
T24N, R3E E half NW sec. 33. Paradise quad. Ca. 3 mi N of Forest Ranch, ca. 1 mi. E of Hwy 32; area soon to be deve loped; Yellow Pine Forest.
853
Comment
CHSC45068
Carex vesicaria
Vernon Oswald
1987-6-9
2972
Butte
Lily Pond 0.25 mi se of the benchmark on the s edge of Humbug Rd. between Butte Creek House and Snag Lake.
1813
Comment
CHSC52359
Carex vesicaria
L. P. Janeway; R. A. Schlising, B. Castro, Pauleen Broyles
1987-7-19
2512
Butte
Southernmost pond on the slopes on south side of Coon Hollow. On rocky bed of nearby vernal pool.
1767
Comment
UC1108007
Carex vesicaria
H. F. Copeland
1932-8-19
Butte
foot Butte Creek Crest
Comment
CHSC43870
Carex vulpinoidea
Vernon Oswald
1987-6-5
2954
Butte
East side of Sacramento River just n of Golden State Island (perhaps now technically in Glenn County because of shifting channel).
33
Comment
CAS-BOT-BC249106
Castilleja affinis
H. E. Brown
1897-5-1
205
Butte
Near Clear Creek
Comment
JEPS119872
Castilleja affinis subsp. affinis
Lowell Ahart
2012-6-2
18127
Butte
Along the sides of Truex Road, west of the intersection of Truex Road and Trevor Road, about 1/8 mile northwest of the West Branch Bridge across Lake Oroville.
Comment
JEPS3015
Castilleja affinis subsp. affinis
Barbara Gail Paulson
1952-4-11
3
Butte
near Cherokee
365
Comment
POM319349
Castilleja applegatei subsp. pinetorum
Patricia Wilder
1971-6-23
5184
Butte
Magalia, N of Paradise, Coutelenc Road, just N of jct with Skyway Road, along railroad track West slope of Sierra Nevada, W branch Feather River Drainage Area.
732
Comment
CHSC43563
Castilleja attenuata
Lowell Ahart
1973-4-15
200
Butte
Along swedes Flat Road, about 1 mile east of Bangor Oroville Highway, north-east of Bangor.
304
Comment
CHSC90167
Castilleja attenuata
J. Lund
1980-4-19
Butte
On a trail leading to the falls above Richardson Springs, northeast of Chico. On hillside.
121
Comment
CHSC39943
Castilleja campestris subsp. campestris
Lowell Ahart
1984-4-25
4585
Butte
Peter Ahart Ranch, ca. 2.5 mi NE of Honcut, ca. 12 mi S of Oroville.
50
Comment
HSC23341
Castilleja exserta subsp. exserta
L. Walk
1971-4-6
11
Butte
.5 mi. SE of Keefer Rd., 1.5 mi. E of Hwy. 99
30
Comment
CHSC65512
Castilleja lacera
J. Ingraham
1995-4-2
19
Butte
7 mi n of Chico on Hwy. 99 and 1 mi e of Keefer Rd. s. 100 yds.
76
Comment
CHSC87560
Castilleja lacera
R. D. Fischer
2004-4-9
63
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located along Guardian Trail where it runs below the Disk Golf Course.
320
Comment
UC886502
Castilleja lacera
A. A. Heller
1915-5-28
11904
Butte
near Cohasset (Sierra foothills); Sierra
Comment
POM181782
Castilleja miniata
H. F. Copeland
1927-09
253
Butte
Jonesville.
Comment
UC196053
Castilleja miniata
A. A. Heller
1914-8-7
11658
Butte
summit back of Jonesville
2133
Comment
CHSC1724
Castilleja pruinosa
H. Summers
1929-3-11
Butte
Richardson Springs Road.
152
Comment
UC176080
Castilleja pruinosa
A. A. Heller
1913-6-7
10808
Butte
near Stirling
1074
Comment
UC444430
Castilleja rubicundula subsp. lithospermoides
A. A. Heller
1914-5-8
Butte
Clear Creek; ; Clear Creek, Butte Co.
Comment
CHSC43514
Castilleja subinclusa
Lowell Ahart
1976-4-15
1077
Butte
Along the edge of Swedes Flat Road, near the bridge across Rocky Honcut Creek, north-east of Bangor.
457
Comment
UC426964
Castilleja tenuis
E. B. Copeland
1930-7-24
470
Butte
Jonesville
1500
Comment
CHSC46480
Caulanthus lasiophyllus
Lowell Ahart
1974-4-11
384
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 2 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
CAS-BOT-BC48548
Ceanothus cordulatus
E. B. Copeland
1929-7-14
382
Butte
Jonesville
1550
Comment
LA41969
Ceanothus cordulatus
E. B. Copeland;
1929-7-14
382
Butte
Jonesville
1550.0
Comment
RSA181783
Ceanothus cordulatus
H. F. Copeland
1927-9-2
232
Butte
[Unspecified]
Comment
UC1070967
Ceanothus cordulatus
C. G. Albertus
1933-7-25
48
Butte
just s Thompson's; Chico quad
1280
Comment
CHSC40677
Ceanothus cuneatus
Ahart; Jokerst
1985-3-24
4865
Butte
Found growing on damp bare serpentine west of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill.
550
Comment
CHSC64128
Ceanothus cuneatus
Mark D. Reiser
1992-4-21
20
Butte
Meadow ca. 300 yds sw of Vilas rd., Cohasset Stage, ca. 8 mi ne of Chico Municipal Airport.
609
Comment
SEINET10493626
Ceanothus cuneatus
Lowell Ahart
1985-3-4
Ahart 4845
Butte
On red rocky soil near Kunkle Res., about 2 miles south of Paradise.
Comment
SEINET12210968
Ceanothus cuneatus
Unknown
1977-1
14
Butte
4 mi N of Paradise and 100 yds N of Magalia
732
Comment
CHSC109561
Ceanothus cuneatus var. cuneatus
L. P. Janeway
2012-6-23
10889
Butte
Northern High Sierra Nevada. Southwest spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23Np6E 0.8 road km southeast of Rim Road/Ponderosa Way.
895
Comment
CHSC36071
Ceanothus diversifolius
R. A. Schlising; J. D. Jokerst
1982-6-6
4288
Butte
Along Concow Road, n of Concow Reservoir, near Flea Mt.
1097
Comment
CAS-BOT-BC50785
Ceanothus integerrimus
B. D. Stark
1929-7-26
598
Butte
Pardise
Comment
SEINET10837532
Ceanothus integerrimus
Mary Susan Taylor
1976-4-27
Taylor 1087
Butte
Abundant ca. 50 ft E of Cohasset Hwy, ca. 8 mi N of Chico; in Chaparral, with Cerococarpus betuloides, Adenostoma fasiculatum, Lepechnia calycina.
137
Comment
SEINET12210559
Ceanothus integerrimus
Unknown
1970-1
118
Butte
ca 20 mi N of Oroville, on left side of Hwy. 70
Comment
CHSC45726
Ceanothus integerrimus var. californicus
Richard Steward
1988-4-25
9
Butte
Ca. 6 mi n, 1.8 mi nw of Paradise.
640
Comment
CAS-BOT-BC51728
Ceanothus lemmonii
A. A. Heller
1914-5-18
11371
Butte
Forest Ranch, West slope fo the Sierra near Forest Ranch
822
Comment
CAS-BOT-BC51729
Ceanothus lemmonii
A. A. Heller
1913-6-7
10810
Butte
Near Stirling
1074
Comment
JEPS7825
Ceanothus lemmonii
Rimo Bacigalupi with Richard Hauke and Georgie Bacigalupi
1954-7-15
4719
Butte
1.5 mi above (NW) of Magalia
701
Comment
UC1070788
Ceanothus lemmonii
C. G. Albertus
1933-5-26
3
Butte
2 miles E of Paradise Chico Quad.
152
Comment
SEINET10493646
Ceanothus lemmonii
Heidi H. Schmidt
1993-6-15
Schmidt 862
Butte
Plumas National Forest on state road 23N06 1.5 miles N of the junction with highway 70. Mixed hardwood forest.
880
Comment
CAS-BOT-BC52003
Ceanothus prostratus
A. A. Heller
1941-6-22
16179
Butte
edge of the forest at Cohasset. above Pine Creek, several miles farther north
Comment
CHSC44132
Ceanothus prostratus
V. Oswald; L. Ahart
1988-7-29
3637
Butte
Ca. 5 mi (air) se of Jonesville on the n edge of the ridge running eastwards from the peak of Snow Mtn.
2103
Comment
RSA31124
Ceanothus prostratus
A. A. Heller
1915-6-11
11971
Butte
Chico Meadows in the Sierra Nevada.
1220
Comment
UC79907
Ceanothus velutinus
Mrs. R. M. Austin
July, 1896
757
Butte
Colby
Comment
CHSC109671
Celtis occidentalis
Lowell Ahart; Susan Bazell, Josephine Guardino, Wes Dempsey
2012-7-5
18271
Butte
Path in Cedar Grove, west of the parking area, Lower Bidwell Park, Chlico.
71
Comment
CHSC107125
Centaurea melitensis
L. P. Janeway
2011-6-7
10369
Butte
Cascade Range Foothills. East side of Chico; north side of Humboldt Road 3.0 road km east of Bruce Road.
186
Comment
CHSC44892
Centaurea melitensis
Lowell Ahart
1988-7-24
6129
Butte
About 1/20 mile north-east of the intersection of Ponderosa Way and Lower Forbestown Road, west of Sunset Hill, near Forbestown.
731
Comment
CHSC20488
Centaurium tenuiflorum
M. S. Taylor
1975-6-25
793
Butte
Ca. 100 ft w of Mud Creek, ca. 1/2 mi n of Richardson Springs Hotel, ca. 6 mi ne of Chico.
121
Comment
CHSC38448
Centaurium tenuiflorum
Vernon Oswald
1983-6-7
643
Butte
Upper Bidwell Park, Chico, ca. 400 ft n of Upper Park Rd. at Diversion Dam.
134
Comment
JEPS94760
Centaurium venustum
Lowell Ahart
1998-6-3
7969
Butte
about 7 air mi n of Oroville (about 1/4 mi n of the cow chute along Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road
403
Comment
UC518987
Centromadia fitchii
J. Clausen
1932-9-16
657
Butte
20 mi s Chico (between Richvale and Nelson)
Comment
CHSC25486
Centunculus minimus
L. Ahart
1977-6-2
Butte
Along the edge of North Honcut Creek. Peter Ahart Ranch, Honcut.
50
Comment
UCD121534
Cephalanthus occidentalis
L. E. Hazeltine
1916-7-7
s.n.
Butte
Chico.
Comment
UCD80206
Cerastium glomeratum
CNPS SN Foothill Team
2006-4-24
SNFN 0418
Butte
CDFG North Table Mountain Wildlife Area.
287
Comment
CAS-BOT-BC388256
Cerastium glomeratum
A. A. Heller
1915-5-28
11915
Butte
Near Cohasset
Comment
CAS-BOT-BC388263
Cerastium glomeratum
Lowell Ahart
1987-5-12
5625
Butte
South of the dirt road, 1 1/2 miles east of Camp 18, south of Lumpkin Ridge Road, about 8 miles north-east of Feather Falls
1280
Comment
CHSC35965
Ceratophyllum demersum
M. S. Taylor
1982-5-22
4493
Butte
Graylodge Waterfowl Refuge, in slough at end of West Liberty Rd, ca. 12 mi sw of Gridley.
19
Comment
SEINET10535924
Ceratophyllum demersum
Lowell Ahart
1991-9-14
Ahart 6718
Butte
1-2 feet deep in a large reservoir, Joie Osgood Ranch, about 2 miles east of Honcut. Valley Grassland. T17N R4E S/C/S14.
46
Comment
RSA31137
Cercis occidentalis
A. A. Heller
1914-5-18
11406
Butte
West slope of the Sierra near Forest Ranch.
610
Comment
SBBG17426
Cercis occidentalis
B. Fuller
1961-4-1
Butte
Butte Crk Cyn, Honeyrun Rd below Paradise
Comment
UC2026865
Cercis occidentalis
Lowell Ahart
2012-6-28
18236
Butte
On the northeast edge of Sycamore Pool, Lower Bidwell Park, Chico.
Comment
CHSC27316
Cercocarpus betuloides var. betuloides
T. B. Devine
1977-7-24
435
Butte
Growing beside Humbug Road, .5 mi s of Nimshew.
609
Comment
SEINET10483790
Chamaebatia foliolosa
Mary Susan Taylor
1980-2-17
Taylor 2363
Butte
T20N R6E ne sec 5. Along a dirt road in Yellow Pine Forest, ca. 1/4 mi SW of Lower Forbestown Road, ca. 3 mi W of Forbestown.
396
Comment
CHSC11107
Chamaesyce glyptosperma
Lowell Ahart
1969-9-9
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC102511
Chamaesyce maculata
Lowell Ahart
2009-8-13
16272
Butte
In the channel, about 100 yards east of the diversion structure that controls Mud Creek diversion and Lindo Channel, northeast of Hooker Oak, Upper Bidwell Park, Chico.
68
Comment
CHSC97699
Chamaesyce maculata
Lowell Ahart
2007-10-31
14520
Butte
West of the official parking area, strand of Lake Oroville, Foreman Creek Area, about 1 mile south of Highway 162 (Oroville Quincy Road), about 7 miles (air) northeast of Oroville.
224
Comment
JEPS115727
Chamaesyce maculata
Lowell Ahart
2009-8-15
16283
Butte
Garden area, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville
33
Comment
CHSC30762
Chamaesyce serpillifolia subsp. serpillifolia
M. S. Taylor
1978-9-8
1887
Butte
Along flood control slough, ca. 4 mi n of Chico, on Hwy 99.
60
Comment
CHSC42120
Chamaesyce serpillifolia subsp. serpillifolia
Lowell Ahart
1986-11-9
5436
Butte
Below the high water line of Lake Oroville, at the boat launch area off the Oroville Quincy Highway, near Canyon Creek, about 12 miles north-east of Oroville.
269
Comment
CHSC44390
Chamaesyce serpillifolia subsp. serpillifolia
Lowell Ahart
1988-7-3
6121
Butte
Along the edge of the dirt road, about 1/10 mile north of the large steel water standpipe, about 1 1/2 miles east of the Ponderosa Dam.
457
Comment
UC600557
Chamerion angustifolium subsp. circumvagum
H. F. Copeland
1928-8-14
443
Butte
on ridge above Jones Creek; Jonesville
1828
Comment
SEINET10529958
Cheilanthes carlotta-halliae
Mary Susan Taylor
1980-5-27
Taylor 2706
Butte
T21N R6E nw sec 29. Big Bend quad. Little Bald Rock, ca. 3 mi S of Brush Creek; granitic dome within Yellow Pine Forest.
1016
Comment
CHSC27948
Cheilanthes cooperae
M. S. Taylor
1979-3-20
1956
Butte
Along north fork of Feather River, ca. 3 mi n of jct of Feather River and Hwy 70, ca. 10 mi n of Oroville.
304
Comment
CDA3060
Chenopodium ambrosioides
T. C. Fuller
1962-12-7
9955
Butte
Hipp Ranch, end of Oliva Avenue, 0.5 miles east of Mt Ida Road, ca. 7 miles east of Oroville.
0
Comment
CDA3047
Chenopodium botrys
L. Ahart
2006-9-11
13282
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville.
Comment
SEINET10479020
Chenopodium botrys
Lowell Ahart
1984-6-8
Ahart 4672
Butte
At the Ponderosa Dam, ca. 2 mi NW of Forbestown; Yellow Pine Forest; 370 m.
370
Comment
CHSC30089
Chlorogalum pomeridianum
M. S. Taylor
1980-7-5
3053
Butte
Ca. 1 mi e of Meridian Rd, ca. 1 1/4 mi ne of its jct with Hwy 99, ca. 8 mi n of Chico.
67
Comment
POM105863
Chorizanthe membranacea
R. M. Austin
1883-5-1
s.n.
Butte
Iron Canyon, Big Chico Creek
Comment
RSA104166
Chorizanthe membranacea
R. M. Austin
1883-1
s.n.
Butte
[No location data on label]
Comment
SEINET10479752
Chorizanthe polygonoides
Mary Susan Taylor
1980-5-31
Taylor 2756
Butte
T22N R4E sw sec 31. Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 2 mi SE of Paradise. With R.A. Schlising and L. Ahart.
442
Comment
JEPS117155
Chorizanthe stellulata
Lowell Ahart
2010-4-30
16604
Butte
Open area along a ridge, on both sides of a trail, west of disk golf area, on a ridge about 350 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico
353
Comment
UC478533
Chrysolepis sempervirens
E. B. Copeland
1931-7-27
625
Butte
Jonesville
1650
Comment
JEPS87145
Cinna latifolia
Lowell Ahart
1992-7-26
6836
Butte
small stream about 1/2 mi n Carr Mine (s side of Coon Hollow, about 2 (air) mi s of Snow Mountain); s side Coon Hollow
1737
Comment
UC1594561
Cinna latifolia
Lowell Ahart
1992-7-26
6836
Butte
small stream about 1/2 mi n Carr Mine (s side of Coon Hollow, about 2 (air) mi s of Snow Mountain); s side Coon Hollow
1737
Comment
UC1609301
Cirsium arvense
Lowell Ahart
1993-9-8
7175
Butte
about 1 mi se Snow Mountain (s side of dirt road)
1981
Comment
CHSC21139
Cirsium occidentale var. venustum
M. S. Taylor
1975-6-30
821
Butte
Ca. 500 yds w of Cohasset Hwy, Cohasset.
Comment
CHSC38337
Cirsium occidentale var. venustum
Vernon Oswald
1983-5-30
581
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1600 ft e of the power lines.
274
Comment
CHSC114710
Cirsium ochrocentrum
T. C. Fuller
1966-7-22
14982
Butte
E. of rd. at the e. base of Dry Valley Ridge, Madelaine Plains, 3 mi. n. of paved road, 10 mi. w. of Termo, Lassen Co.
Comment
CAS-BOT-BC228750
Cistanthe umbellata
A. A. Heller
1913-6-7
10804
Butte
Near Stirling
1074
Comment
CAS-BOT-BC228756
Cistanthe umbellata
E. B. Copeland
1930-7-12
413 A
Butte
Above Jonesville
2000
Comment
CAS-BOT-BC163546
Clarkia arcuata
Lowell Ahart
1983-6-26
4159
Butte
Along Bean Creek Road, about 5 miles south of Little Bald Rock, about 17 miles north-east of Oroville
600
Comment
HSC66229
Clarkia arcuata
Thomas A. Welgan
1979-4-15
4
Butte
6 mi. N of Oroville, 100 ft. W of Cherokee Mtn. Rd.
366
Comment
RSA0059981
Clarkia arcuata
R. T. Riding
1968-4-13
11
Butte
North Table Mountain
396
Comment
CAS-BOT-BC164132
Clarkia concinna
A. A. Heller
1938-5-28
15114
Butte
Along Highway #24, 22 miles east of Oroville
Comment
RSA32817
Clarkia concinna subsp. concinna
A. A. Heller
1938-5-28
15114
Butte
On wooded slope in leaf mold on Feather River Highway 22 miles from Oroville.
610
Comment
CAS-BOT-BC164518
Clarkia gracilis subsp. albicaulis
Lowell Ahart
1968-5-21
s.n.
Butte
West of Magalia
1000
Comment
CHSC27737
Clarkia gracilis subsp. albicaulis
Robert A. Schlising; Coleta Lawler
1978-5-29
3277
Butte
Near Cohasset; along Cohasset Road, 4.3 miles above crossing of Mud Creek and 4.1 miles NE of jct with road to Richardson Springs.
Comment
CHSC8618
Clarkia gracilis subsp. albicaulis
L. V. Ritter
1969-5-5
307
Butte
Ca 2 mi. w of Cohasset, ca 10 yds. s of Cohasset highway.
Comment
SEINET10453151
Clarkia gracilis subsp. albicaulis
Mary Susan Taylor
1977-6-25
Taylor 1380
Butte
Foothill Woodland-Yellow Pine Forest transition zone, on Ponderosa Way betwe en Cohasset and Forest Ranch.
610
Comment
CAS-BOT-BC163264
Clarkia mildrediae subsp. lutescens
Clarence R. Quick
1952-7-1
52125
Butte
Mill Creek Road between Feather River Canyon and Coyote Gap
Comment
CHSC71141
Clarkia mildrediae subsp. lutescens
L. P. Janeway
1993-7-1
4412
Butte
Along French Creek Road 2.6 mi northeast of Stanwood Saddle and Oroville-Quincy Hwy. West-facing road cutbank.
902
Comment
JEPS100226
Clarkia mildrediae subsp. lutescens
Dean W. Taylor
2002-7-3
18219
Butte
Forest Road 22N22 ca. 0.3 miles north of crossing of Fall River (ca. 1 air mile S of Walters Mine site)
1219
Comment
CHSC70732
Clarkia mildrediae subsp. mildrediae
L. P. Janeway
1993-7-7
4432
Butte
Canyon of North Fork Feather River, along dirt road from Hwy 70 to Bear Ranch Creek falls, 0.7 mi south of Arch Rock Tunnel. Road cutbank.
502
Comment
CHSC71158
Clarkia mildrediae subsp. mildrediae
L. P. Janeway
1994-7-5
4679
Butte
Along ridge 0.7 mi east-southeast of Flea Mountain; northeast side near the top, 0.3 mi east-southeast of Campbell Meadow. Road cutbank and above.
1158
Comment
LA206073
Clarkia mildrediae subsp. mildrediae
Harlan Lewis; M. Lewis, Frank C. Vasek
1950-6-30
760
Butte
Hwy 24, 2.0 mi S of Arch Rock on Feather River
Comment
RSA0049654
Clarkia mildrediae subsp. mildrediae
Dean Wm. Taylor, Bryan Waylan
2011-8-3
21140
Butte
Vicinity Stirling City; along Reston Road descending into West Branch Feather River canyon 1.4 miles down (north) from the intersection with the Skyway
1005
Comment
CHSC64111
Clarkia mosquinii
L. P. Janeway
1994-7-7
4685
Butte
Along Rd 23N60 0.9 mi east of Oroville-Quincy Hwy; south end of ridge above Little North Fork between Marble Creek and Spoon Ravine.
1127
Comment
UC1422865
Clarkia mosquinii
Mosquin
1959-7-2
3336
Butte
0.2 mi w Enterprise (along highway)
Comment
CHSC7120
Clarkia purpurea
E. L. Williams
1969-5-2
13
Butte
Across from Chico Airport Entrance.
137
Comment
UCD80465
Clarkia purpurea
CNPS SN Foothill Team
2005-4-13
SNFN 0078 d
Butte
City of Chico, Doe Mill Meadowfoam Preserve, at the east end of Warfield Street, ca. 85 m south of the Preserve gate entrance.
82
Comment
UCD21824
Clarkia purpurea
L. D. Gottlieb
2003-5-24
302
Butte
Wilbur Rd., at Hwy 162, west of Oroville.
Comment
UCD77560
Clarkia purpurea subsp. purpurea
Robert E. Preston
2004-4-21
2214
Butte
Ca. 4.3 miles NW of Oroville.
51
Comment
CAS-BOT-BC172379
Clarkia purpurea subsp. viminea
L. P. Janeway
1993-6-23
4400
Butte
North side of French Creek, 0.5 mi west of mouth of Ram Creek, north side of Rd. 22N34, Plumas National Forest, Oroville Ranger District, Swayne Hill Compartment (non-Forest land)
615
Comment
CAS-BOT-BC164781
Clarkia rhomboidea
E. B. Copeland
1931-6-10
s.n.
Butte
Jonesville
1650
Comment
CAS-BOT-BC164791
Clarkia rhomboidea
Mrs. J. H. Morrison
1932-5-30
s.n.
Butte
Durham
Comment
CHSC43559
Clarkia rhomboidea
Lowell Ahart
1979-5-29
1910
Butte
Near the edge of a dirt road, about 1/2 mile east of Kunkle Creek and Kunkle Reservoir, about 2 1/2 miles south-east of Paradise.
457
Comment
CHSC70760
Clarkia rhomboidea
L. P. Janeway
1995-7-16
4859
Butte
0.8 mi northwest of Oak Point; 0.8 mi east of Transfer Ridge; east side of Breakneck Canyon 1.5 mi north of West Branch Feather River.
1402
Comment
CHSC81385
Clarkia rhomboidea
Samantha Hillaire
2001-5-16
302
Butte
Vicinity of Ponderosa Way, about 0.3 mi southeast of Big Chico Creek; UTM 10 611784E 4415729N. On a steep roadcut of a little-used dirt road, on a SW exposure.
353
Comment
CHSC8616
Clarkia rhomboidea
L. V. Ritter
1969-5-5
304
Butte
Ca 2 mi. w of Cohasset, ca 10 yds s of Cohasset Highway.
Comment
UC1143258
Clarkia rhomboidea
H. and M. Lewis, F. Vasek
1950-6-30
758
Butte
0.8 mi s Arch Rock (Hwy. 24); Feather River
Comment
CAS-BOT-BC164788
Clarkia rhomboidea
A. A. Heller
1928-5-27
14562
Butte
At the sawmill on the Neal Road, Paradise
Comment
CAS-BOT-BC164798
Clarkia rhomboidea
L. P. Janeway
1991-6-1
3977
Butte
East-facing cut-bank of Dark Canyon Road 0.4 mi south of Big Bend Road/Parkhill
560
Comment
CAS-BOT-BC164800
Clarkia rhomboidea
L. P. Janeway
1987-5-7
2029
Butte
Along Dark Canyon Road 1.0 mi south of Big Band Road/Parkhill
512
Comment
SEINET10572685
Claytonia heterophylla
Lowell Ahart
1983-8-16
Ahart 4289
Butte
T26N R4E nw section 28. Along a small stream that flows into Butte Creek, ca. 1 mi east of Butte Meadows. Yellow Pine Forest; 1450 m.
1450
Comment
CHSC98377
Claytonia palustris
Dean Wm. Taylor; Tom Engstrom
2004-7-21
19200
Butte
Cornelia Lott Sank Memorial Spring, Humbug Summit Road, growing in moist bed of stream draining the site ca. 150 ft downslope to the SE of the road.
1524
Comment
UC452686
Claytonia palustris
Mrs. R. M. Austin
Jul 1896
173
Butte
Butte Meadows; Sutton House
Comment
CAS-BOT-BC439434
Claytonia parviflora subsp. parviflora
Helen M. Edwards
1917-6-1
s.n.
Butte
De Sabla
Comment
CHSC33587
Claytonia parviflora subsp. parviflora
M. S. Taylor
1981-4-28
3562
Butte
Shady rd embankment, e side of rd 23N28.2 (Big Bar Rd), ca. 0.1 mi n of its jct with 22N84, ca. 1.4 mi w of Chino Creek, ca. 23 air mi nw of Oroville.
944
Comment
CHSC90643
Claytonia parviflora subsp. parviflora
Lowell Ahart; Paul Maslin, John Dittes
2005-3-17
11651
Butte
Big Chico Creek Ecological Reserve. South of the fence, on the east side of the very poor dirt road, about 1/8 mile northwest of the Indian Cave, about 3/4 mile west of Big Chico Creek, about 4 1/2 miles (air) northeast of Chico.
481
Comment
SEINET11946901
Claytonia parviflora subsp. parviflora
Unknown
1998-4-11
15
Butte
Chico, Upper Bidwell Park about 1 km E of Horseshoe Lake, along gravel road that follows Chico Creek
104
Comment
HSC72997
Claytonia parviflora subsp. parviflora
M. S. Taylor
1980-3-19
2392
Butte
Macabes Creek Canyon, 100 ft. E of Lumpkin Rd., 2.5 mi. NE of its junction with Forbestown Rd., 18 mi. NE of Oroville
396
Comment
POM102026
Claytonia parviflora subsp. parviflora
C. C. Bruce
1897-06
2014
Butte
Butte Creek
Comment
CAS-BOT-BC443765
Claytonia rubra subsp. rubra
A. A. Heller
1918-5-5
13007
Butte
Near Magalia
Comment
CHSC107391
Clematis lasiantha
Blake McSorley
2010-4-6
Butte
Dye Creek Preserve.
135
Comment
CHSC26641
Clematis lasiantha
M. S. Taylor
1977-11-12
1543
Butte
At very end of Upper Bidwell Park Rd, Chico.
243
Comment
CAS-BOT-BC92578
Clematis ligusticifolia
Lowell Ahart
1983-7-24
4215
Butte
At the Forbestown Reserve, about 5 miles northeast of Forbestown.
450
Comment
CAS-BOT-BC92579
Clematis ligusticifolia
Lowell Ahart
1987-7-3
5753
Butte
At the Poe Power House, near the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap.
280
Comment
CHSC1732
Collinsia heterophylla
H. Summers
1929-4-24
Butte
S. bank of Butte Creek, near covered bridge.
106
Comment
SBBG28886
Collinsia parviflora
E. B. Copeland
1930-6-28
Butte
Jonesville
1650
Comment
CHSC1737
Collinsia sparsiflora var. collina
M. Roberson
1956-4-9
Butte
SW of Paradise along Skyway.
426
Comment
CHSC39941
Collinsia sparsiflora var. collina
Lowell Ahart
1984-4-3
4537
Butte
Along North Honcut Creek, ca. 1 mile N and 2.7 miles E of Honcut; on Peter Ahart Ranch.
50
Comment
CHSC44727
Collinsia tinctoria
R. Banchero
1980-6-5
194
Butte
Along Hwy 70 at its jct with the Feather River at the Rivers edge, ca 4.3 mi N of the jct of Pinkston Canyon Rd and Hwy 70.
487
Comment
CHSC79826
Collinsia tinctoria
G. F. Hrusa; T. D. Wilfred
1996-7-9
13149
Butte
Plumas National Forest. At E end of USFS N60 approx. 0.4 miles E of Marble Creek Bridge. [Lat./Long. on label is '39 45 N; 121 17 W'].
1100
Comment
POM21003
Collinsia tinctoria
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla.
Comment
CHSC38589
Collomia heterophylla
Vernon Oswald
1983-4-17
328
Butte
Upper Bidwell Park, Chico, beside the trail between Brown's Hole parking lot and the creek.
207
Comment
RSA337391
Collomia heterophylla
L. Ahart, P. Ahart
1984-6-10
4694
Butte
About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown.
700
Comment
CAS-BOT-BC180248
Comandra umbellata subsp. californica
A. A. Heller
1918-5-5
13013
Butte
Near Magalia
Comment
CHSC43740
Comandra umbellata subsp. californica
Vernon Oswald
1984-6-22
1160
Butte
Upper Bidwell Park, Chico, on Yahi Trail near Chico Creek w of Brown's Hole.
182
Comment
CHSC51916
Comandra umbellata subsp. californica
S. B. Collom
1988-4-18
8
Butte
0.9 mi NW of upper entrance to Forest Ranch Rd, off Hwy 32; 14.2 mi NE of chico.
Comment
CHSC76939
Convolvulus arvensis
Margie Collins
1894-5-1
Butte
Chico.
Comment
POM193363
Cornus californica
E. B. Copeland
1930-6-25
431
Butte
Jonesville.
1500
Comment
CHSC48308
Cornus sericea subsp. sericea
Vernon Oswald
1987-6-23
3012
Butte
Hiogh Lakes Rd. 1.4 mi (odometer) n of Philbrook Rd.
1767
Comment
CHSC38401
Cornus sessilis
Vernon Oswald
1983-6-2
608
Butte
Upper Bidwell Park, Chico, along Yahi Trail e of Brown's Hole. On the bank of Chico Creek.
207
Comment
POM77766
Cornus sessilis
Mrs. R. M. Austin
1883-06
s.n.
Butte
Lomo
Comment
UCD169427
Coronilla varia
Lowell Ahart
2006-6-24
12862
Butte
About 4 miles (air) northeast of Cohasset, on Cohasset Ridge, a gated road goes southeast, on the east side of the dirt road (Ponderosa Way), south of an intersection.
1113
Comment
UC1303041
Corydalis caseana subsp. caseana
A. A. Heller
1928-6-20
14685
Butte
Butte Meadows
Comment
UC733224
Corydalis caseana subsp. caseana
Marion Ownbey and Gerald B. Ownbey
1946-6-24
2938
Butte
1.3 mi. below Jonesville (at forks of Butte Creek); Butte Creek
Comment
CDA39607
Corylus cornuta var. californica
T. C. Fuller
1962-7-12
9189
Butte
Road to Jonesville, 2 miles east of Butte Meadows.
0
Comment
JEPS115259
Cotoneaster pannosus
Lowell Ahart, John Dittes, Josephine Guardino
2008-11-8
15420
Butte
On the south side of Cedar Grove, Lower Bidwell Park, Chico
67
Comment
CDA34146
Cotula australis
L. Ahart
2009-3-9
15497
Butte
Peter Ahart Ranch, about 1.5 miles north and 1 mile east of Honcut, and about 12 miles south of Oroville.
Comment
CHSC105268
Cotula coronopifolia
Lowell Ahart
2010-6-20
16818
Butte
Bottom of Wyandotte Creek, under the government pole line, about 100 yards south of the pole, about one mile east of Palermo Honcut Highway, Guidci Ranch, about 7 miles (air) southeast of Oroville.
47
Comment
CHSC309
Cotula coronopifolia
V. Holt
1936-3-30
Butte
Near Cherokee.
396
Comment
JEPS126559
Cotula coronopifolia
Lowell Ahart
2016-5-31
20903
Butte
About 1/8 mile east of Palermo Honcut Highway. Peter Ahart Ranch, about 2 1/4 miles north and 1/8 mile east of Honcut, about 12 miles (air) south Oroville.
Comment
RSA517004
Cotula coronopifolia
Barbara Ertter, Lowell Ahart
1986-4-13
5903
Butte
2 air miles NNE of Honcut between Oroville and Marysville, Peter Ahart Ranch (Mostly used as sheep pasture).
30
Comment
CHSC29725
Crassula aquatica
J. D. Jokerst
1980-4-21
633
Butte
Top of North Table Mountain., several miles N of Cherokee Rd.
457
Comment
CHSC80522
Crassula aquatica
Lowell Ahart
2001-4-15
8729
Butte
A deep ditch, southeast of the large pump, on the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) southwest of Gridley.
22
Comment
CHSC100971
Crassula connata
L. P. Janeway
2008-3-18
9238
Butte
Cascade Range Foothills. East edge of City of Chico; south side of Humboldt Road 1.4 km northeast of Bruce Road.
126
Comment
CHSC46741
Crassula saginoides
Lowell Ahart
1984-5-12
4604
Butte
Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC26720
Crassula tillaea
Hayes; Taylor
1978-4-14
151
Butte
On the east side of Williams road, approx. 1/4 mi n of Pentz road on the Butte College Campus.
65
Comment
CAS-BOT-BC427954
Crassula tillaea
Lowell Ahart
1990-1-17
6407
Butte
East of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville
301
Comment
CHSC82270
Crataegus
S. Posner
1972-9-23
Butte
Garden behind apartment complex at 725 Nord Ave., Chico.
Comment
CDA32002
Crataegus laevigata
L. Ahart
2009-5-3
15792
Butte
On the east side of Big Chico Creek, about 30 yards south of the gate about 10 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
Comment
CHSC31692
Croton setiger
L. Ahart
1972-6-21
118
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC33291
Croton setiger
S. Posner
1972-9-24
2
Butte
Edge of Skyway between Hwy. 99 and Humbug Rd.
Comment
RSA725028
Crypsis alopecuroides
L. Ahart
2006-9-11
13302
Butte
South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville.
432
Comment
CHSC36534
Crypsis vaginiflora
L. Ahart
1982-7-10
3673
Butte
On bottom of dry pond, ca. 1/4 mi se of Headquarters, Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley.
35
Comment
CHSC97409
Cryptantha affinis
Robert Fischer
2006-6-17
1028
Butte
Butte Meadows. Cascade Range High, off Hwy. 32 on Humboldt Road near Cherry Hill.
1493
Comment
UCR64631
Cryptantha affinis
H. F. Copeland
1930-7-20
1386
Butte
Jonesville
1524
Comment
SEINET10870092
Cryptantha affinis
Lowell Ahart, Peter Ahart
1984-6-10
Ahart 4708
Butte
About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown; Yellow Pine Forest; 700 m.
700
Comment
CHSC107243
Cryptantha flaccida
Lowell Ahart
2011-6-5
17366
Butte
On a large gravel bar, on the north side of Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
42
Comment
JEPS117205
Cryptantha flaccida
Lowell Ahart
2010-5-14
16668
Butte
Near south park fence, about 1/4 mile west of the entrance to the Disc Golf Area, west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico
363
Comment
CHSC39028
Cryptantha rostellata
Lowell Ahart
1984-5-18
4606
Butte
Peter Ahart Ranch, about 1.25 mi e of Honcut and 12 mi s of Oroville.
50
Comment
CHSC29969
Cryptantha torreyana
R. A. Schlising; S. Azevedo
1980-6-13
3704
Butte
NE of Forest Ranch, 2.3 mi E and SE of Hwy 32 on Garland Road, near jct with Doe Mill Rd and Ponderosa Way.
902
Comment
CHSC33412
Cryptantha torreyana
R. A. Schlising; R. Banchero
1980-7-11
3880
Butte
At Merrimac in extreme NE part of county.
1203
Comment
CHSC113400
Cryptantha torreyana var. torreyana
Lowell Ahart
2014-7-7
19565
Butte
About 5 yards east of the Skyway, about one-mile north of Stirling City.
1142
Comment
UC600568
Cryptogramma acrostichoides
H. F. Copeland
1932-8-17
Butte
The Summit Jonesville
2000
Comment
CHSC34982
Cucurbita foetidissima
R. A. Schlising
1981-9-20
4194
Butte
4.3 mi W of railroad crossing in Richvale, on Richvale West Road.
Comment
SEINET11739356
Cupressus macnabiana
M. S. Taylor, Oswald, V.
1984-1
5395
Butte
jct of Coutelenc Rd and the Skyway, Magalia, just N of Paradise
372
Comment
SD3818
Cuscuta californica var. californica
E. B. Copeland
1931-7-17
Butte
Jonesville
1650
Comment
CHSC113062
Cuscuta occidentalis
Lowell Ahart
2013-7-16
18838
Butte
On dry smoothed dredge tailings, northwest of a large wash, about 1/2 mile southeast of Honcut Cemetary, about 3 1/4 miles (air) northeast of Honcut.
54
Comment
JEPS121237
Cuscuta occidentalis
Lowell Ahart
2013-7-16
18838
Butte
NW of a large wash, about 0.5 mile SE of the Honcut Cemetery, about 3.24 air miles NE of Honcut.
Comment
CHSC88575
Cycladenia humilis var. humilis
Lowell Ahart
2004-8-19
11396
Butte
East of road sign 300 R 4, west of the County Road, about 1 mile north of Ramsey Bar, about 3 miles (air) southeast of Bald Mountain, about 5 1/4 miles (air) northeast of Stirling City.
1417
Comment
JEPS106131
Cycladenia humilis var. humilis
Lowell Ahart
2004-8-19
11396
Butte
East of road sign 300 R 4, west of the County Road, about 1 mile north of Ramsey Bar, about 3 miles (air) southeast of Bald Mountain, about 5 1/4 miles (air) northeast of Stirling City
1417
Comment
NY43591
Cydonia oblonga
S. Bianco
1995-11-10
1060
Butte
8841 Skyway Rd (Private land holding)
640
Comment
UC600449
Cynoglossum occidentale
E. B. Copeland
July, 1930
Butte
Jonesville
1550
Comment
JEPS119863
Cynosurus echinatus
Lowell Ahart
2012-5-14
18067
Butte
On the south side of the paved road, west of the horse trail, about 1/2 mile west of Peterson Drive, south of Vallombrosa Avenue, Lower Bidwell Park, Chico.
Comment
JEPS127241
Cynosurus echinatus
Lowell Ahart
2016-5-24
20871
Butte
About 150 yards south of La Porte Road, about 1/4 mile southwest of the intersection of La Porte Road and Loma Rica Road, about 3 1/4 miles (air) northeast of Honcut.
Comment
CDA38936
Cyperus acuminatus
L. Ahart, Vernon H. Oswald
1999-8-13
8142
Butte
Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
Comment
UC980096
Cyperus difformis
J. M. Tucker
1953-8-28
2680
Butte
Biggs Rice Experiment Station
Comment
CAS-BOT-BC114734
Cyperus difformis
Forman Taylor McLean
1921-3-25
15
Butte
A week abundant in rice fields, Nelson.
Comment
CAS-BOT-BC114740
Cyperus difformis
M. S. Taylor; James D. Jokerst
1979-11-11
2282
Butte
Ca. 10 ft. W of W side of Goodspeed-Watt Rd. ca. 6 mi S of Chico.
33
Comment
POM313106
Cyperus difformis
H. L. Mason, Verne Grant
1946-8-14
13024
Butte
Canal near big pond on Sacramento Outing Club, Butte sink.
Comment
CAS-BOT-BC114606
Cyperus eragrostis
Lowell Ahart
1980-7-29
2499
Butte
Near Hurleton Swedes Flat Road
600
Comment
JEPS108952
Cyperus eragrostis
Lowell Ahart
2006-9-11
13298
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville
431
Comment
CAS-BOT-BC114600
Cyperus eragrostis
L. P. Janeway
1987-9-7
2582
Butte
Chico E side, along Forest Ave between Little Chico Creek and I. 20th St.
82
Comment
CHSC68387
Cyperus erythrorhizos
L. P. Janeway
1986-9-20
1871
Butte
Northwest side of Little Chico Creek near River Road, about 2 mi south of Chico River Road.
36
Comment
CHSC68390
Cyperus erythrorhizos
L. P. Janeway; C. A. Janeway
1986-10-4
1907
Butte
Gravel bar along Butte Creek about 2 1/2 mi east of The Skyway.
45
Comment
CAS-BOT-BC114379
Cyperus erythrorhizos
Lowell Ahart
1984-8-19
4789
Butte
N of the state burrow area, W of Pacific Heights Road, ca. 5 mi SW of Oroville.
40
Comment
CHSC45127
Cyperus esculentus
Vernon Oswald
1987-6-12
2988
Butte
East side of Sacramento River just n of Golden State Island (perhaps technically in Glenn County because of shifting channel).
33
Comment
SEINET4896961
Cyperus flavescens
L. Ahart, V. H. Oswald
1999-8-13
8143
Butte
12 miles SW of Chico. Legal: T20N R1W
32
Comment
UCR263569
Cyperus flavescens
Lowell Ahart
2000-8-23
8664
Butte
Sacramento Valley, about 1/2 mile west of Pacific Heights road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville
43
Comment
RSA0060845
Cyperus fuscus
Lowell A. Ahart
2012-10-20
18500
Butte
On the south side of Big Chico Creek, about 50 yards west of Table 4, west of Cedar Grove, Lower Bidwell Park, Chico.
69
Comment
SEINET11268266
Cyperus niger
Lowell Ahart
2000-8-23
8662
Butte
About 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville.; 0
43
Comment
CHSC45150
Cyperus squarrosus
Lowell Ahart
1972-5-24
112
Butte
On the bottom of a small wash, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/4 miles east of Honcut, about 12 miles south of Oroville.
39
Comment
CHSC76852
Cyperus squarrosus
L. P. Janeway
1999-6-26
6489
Butte
Sacramento Valley. Along east side of Sacramento River 1.0 mi southeast of Ord Ferry Road bridge.
29
Comment
JEPS114367
Cyperus squarrosus
Lowell Ahart
2008-5-30
14797
Butte
Dry to damp granite soil, small meadow, bottom of an old gold mined area, about 150 yeards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville
305
Comment
UC1100557
Cyperus squarrosus
Malcolm A. Nobs and S. Galen Smith
1949-7-29
1089
Butte
on rd. from Biggs to Princeton (Butte Creek); Butte Creek
Comment
SD405
Cyperus squarrosus
E. B. Copeland
1931-7-17
Butte
Jonesville; abundant on drying bottoms of vernal pools.
1700
Comment
CHSC116019
Cyperus strigosus
Lowell Ahart
2015-10-20
20569
Butte
West side of Feather River, about half way of and east of One Mile Pond, about 6 miles (air) east of Biggs.
26
Comment
JEPS115714
Cyperus strigosus
Lowell Ahart
2009-8-3
16256
Butte
On the east side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
236
Comment
CAS-BOT-BC68046
Cystopteris fragilis
E. B. Copeland
1931-6-10
602
Butte
Jonesville - Butte Creek
1550
Comment
CHSC24869
Cystopteris fragilis
E. Rilla
1976-4-4
20
Butte
Scattered on s side of Ponderosa Way, ca. 4 mi w of junc of Ponderosa Way and Hwy 32, ca. 22 mi ne of Chico.
426
Comment
CHSC28494
Cystopteris fragilis
M. S. Taylor; J. D. Jokerst
1979-7-21
2149
Butte
On Humboldt Peak, at Humboldt Summit.
2154
Comment
CHSC39805
Cystopteris fragilis
Ruby Gist
1935-3-1
Butte
Fern Banks.
Comment
CHSC4626
Cystopteris fragilis
R. Carter
1966-3-13
299
Butte
Found ca 6 mi. E of Chico at intersection of Honey-Run Rd. and Humbug Rd. in Butte Cr. Canyon.
Comment
UC600566
Cystopteris fragilis
H. F. Copeland
1932-7-24
Butte
gulch draining into Butte Creek meadows Jonesville
1800
Comment
CAS-BOT-BC445503
Damasonium californicum
Carl B. Wolf
1937-5-14
8672
Butte
Sacramento Valley, 5 mi. NW. of Chico on Hamilton City Road.
45
Comment
CAS-BOT-BC189853
Danthonia californica
L. P. Janeway; R. A. Schlising
1988-8-16
3032
Butte
Large meadow at headwaters of Willow Creek.
1935
Comment
CHSC99483
Danthonia unispicata
Lowell Ahart; John Dittes
2008-6-19
14869
Butte
Open hillside, about 100 yards east of Willow Creek, about 120 yards northeast of Highway 139, near Forest Road 36N02, about 19.6 miles east-southeast of Bieber.
1578
Comment Read comments Oct 5 2019
CHSC87576
Darmera peltata
R. D. Fischer
2004-5-2
127
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located on margins of Big Chico Creek near bottom of 10 Mile House Road.
192
Comment
UC858320
Darmera peltata
A. A. Heller
1916-4-13
12317
Butte
e of Chico (Stilson canyon)
Comment
CHSC42578
Daucus carota
Vernon Oswald
1985-5-20
1764
Butte
Lower Hgoncut Rd. 0.1 mi e of N. Honcut Creek.
Comment
CHSC25271
Daucus pusillus
M. S. Taylor
1977-6-26
1386
Butte
N side of Ponderosa Way, ca. 3 mi w of Forest Ranch.
548
Comment
HSC27073
Delphinium hesperium
N. Mudron
1971-4-21
7
Butte
1.5 mi. W of Municipal Golf Course Building, Chico, 50 ft. N of Bidwell Park Rd.
Comment
JEPS104340
Delphinium hesperium subsp. pallescens
Lowell Ahart
2003-5-14
10174
Butte
About 150 yd w of the dredge piles along North Honcut Creek, ca 2 1/2 mi n and 2 1/2 mi e of Honcut, ca 12 mi se of Oroville.
60
Comment
CHSC115449
Delphinium nudicaule
M. Sutton; K. Schierenbeck
2013-5-5
44
Butte
Deer Creek.
657
Comment
SD234160
Delphinium nudicaule
Virginia Pinkus Ryder
1965-4-3
368
Butte
Table Mountain. Growing at edge of Coal Canyon and down into basaltic canyon.
366
Comment
CAS-BOT-BC8067
Delphinium nuttallianum
A. A. Heller
1915-6-10
11954
Butte
Little Summit in the Sierra Nevada
1371
Comment
CHSC30886
Delphinium patens subsp. patens
J. D. Jokerst
1979-3-20
1153
Butte
Top of North Table Mt, W edge of Mt at the waterfall of the South branch of Coal Cr.
365
Comment
CHSC51902
Delphinium patens subsp. patens
B. M. Bounous
1987-4-1
11
Butte
N end of Table Mtn, ca 6 mi N of Oroville, ca 100 yds W of Cherokee-Table Mtn Rd.
335
Comment
CHSC94035
Delphinium patens subsp. patens
R. D. Fischer
2005-4-30
717
Butte
Sierra Nevada foothills, adjacent Hwy. 32, below Forest Ranch in the Big Chico Creek Ecological Reserve on Lookout Trail. Plant collected off brushy, north facing slope.
518
Comment
CAS-BOT-BC17020
Delphinium variegatum
L. S. Rose
1931-4-13
s.n.
Butte
Oroville
Comment
CHSC22990
Delphinium variegatum
Robert A. Schlising; L. Thurman, T. Crovello
1963-6-7
2617
Butte
Sierra Nevada. Foothills. 3.1 mi. s. Cohasset along Cohasset Hwy.
Comment
UCD96667
Delphinium variegatum
A. A. Heller
1918-4-19
12987
Butte
12 miles north of Chico.
Comment
SEINET10536090
Delphinium variegatum f. superbum
Mary Susan Taylor
1976-3-9
Taylor 1023
Butte
Valley Grassland, on Burton's Mesa, ca. 500 yds N of the Skyway, ca. 13 mi E of Chico.
457
Comment
CHSC45024
Dendromecon rigida
J. Marr
1988-3-18
8
Butte
On n side of Concow Rd, 4 mi. from Hwy 70, 18 mi n of Oroville.
365
Comment
HSC38033
Dendromecon rigida
Thomas W. Nelson, Jane P. Nelson
1976-5-10
2484
Butte
Just E of Magalia
Comment
SEINET10448608
Dentaria pachystigma var. dissectifolia
Mary Susan Taylor
1981-5-15
Taylor 3752
Butte
T22N R5E nw sec 29, Berry Creek quad. End of spur rd 22N84A, ridge SW of Stony Creek, ca. 2.5 air mi due E of Jarbo Gap on Feather River Hwy 70. Yellow Pine Forest; 3100 ft.
945
Comment
UC600596
Deschampsia cespitosa
H. F. Copeland
1932-7-24
Butte
Butte Creek Meadows Jonesville; , Butte Creek Meadows
Comment
CHSC34605
Deschampsia danthonioides
Mary Banchero
1979-4-18
18
Butte
Northernmost Butte county, ca. 0.5 mi n of Pine Creek, nw of Singer Creek; 7 mi nw of Nord on Cana-Pine Creek Road. Roadside.
56
Comment
UCD62771
Deschampsia danthonioides
P. B. Kennedy
1914-5-1
s.n.
Butte
Chico.
Comment
CAS-BOT-BC388456
Dianthus armeria
Lowell Ahart
1983-6-30
4173
Butte
Along the edge of old Highway 40, near the water fountain, about 4 miles south of Jarbo Gap
350
Comment
CHSC19646
Dicentra eximia
K. R. Stern
1966-3-25
Butte
Chico.
Comment
UC1362276
Dicentra formosa
K. R. Stern
Oct 1963
2068
Butte
ca 12 mi e Chico (ca 2 mi s of Highway 32 at 15 mile house, along banks of creek)
Comment
CAS-BOT-BC402387
Dicentra formosa subsp. formosa
H. F. Copeland
1920-5-21
s.n.
Butte
Jonesville
1219
Comment
SEINET11688337
Dichanthelium acuminatum subsp. fasciculatum
L. Ahart, Ahart, P.
1984-1
4726
Butte
about 1.5 mi SE of Bald Mtn, 0.75 mi W of Oak Point, ca 4 mi NE of Stirling City
1500
Comment
POM116006
Dichanthelium acuminatum var. fasciculatum
C. C. Bruce
1897-05
1879
Butte
Little Chico
Comment
SEINET10892860
Dichanthelium lanuginosum
Lowell Ahart
1987-5-27
Ahart 5715
Butte
On dry sand, on a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
HSC38022
Dichelostemma capitatum subsp. capitatum
Thomas W. Nelson, Jane P. Nelson
1976-5-10
2485
Butte
Just E of Magalia
Comment
RSA712798
Dichelostemma multiflorum
L. P. Janeway
2005-6-26
8430
Butte
Northern High Sierra Nevada, S facing slope 0.4km S of top of Batchelor Point, 0.6 km E of top of Rocky Ridge and Rim road (Ponderosa Way).
945
Comment
RSA725064
Dichelostemma multiflorum
L. P. Janeway
2006-4-30
8572
Butte
Cascade Range Foothills, E edge of City of Chico, NW side of Humboldt road 2.2km NE of Bruce Road.
146
Comment
SEINET223332
Dichelostemma multiflorum
Barbara Ertter, Lowell Ahart; Jeff Strachan
1980-5-6
3271
Butte
Peter Ahart Ranch ca 2.5 mi NNE of Honcut between Oroville and Marysville.
30
Comment
CAS-BOT-BC501077
Dichelostemma multiflorum
Mrs. J. H. Morrison
1932-4-17
s.n.
Butte
Durham
Comment
CHSC3170
Dichelostemma volubile
Robert D. Briggs
1966-4-23
R- 162
Butte
3 miles northeast of chico on hwy. 32.
Comment
CHSC4716
Dichelostemma volubile
R. Carter
1966-4-30
387
Butte
Found 7 mi. E of Oroville ca. 1/8 mi. W off Feathervale at 6120 Woodleaf St. Rt.
243
Comment
CHSC59366
Dichelostemma volubile
J. L. Guardino
1992-4-18
16
Butte
Southern rim of Chico Creek Canyon, 1.7 mi e of Oak Hollow Ln.
268
Comment
CAS-BOT-BC502521
Dichelostemma volubile
L. S. Rose
1931-4-14
s.n.
Butte
Three miles east of Oroville
Comment
CAS-BOT-BC208972
Digitaria ischaemum
John Thomas Howell
1961-9-22
36734
Butte
Bank of Feather River, Oroville - Sierra Nevada
53
Comment
CHSC43280
Digitaria ischaemum
Lowell Ahart
1987-8-30
5870
Butte
Road gutter, along Highway 70, about 1/8 mile west of Big Bend Road, about 1 1/2 miles south-west of Jarbo Gap.
655
Comment
CHSC69736
Digitaria sanguinalis
Lowell Ahart
1997-10-24
7938
Butte
About 20 yards north of the South Fork of the Feather River and on the west side of Sucker Creek, strand of Lake Oroville, about 1/4 mile west of the Ponderosa Dam.
274
Comment
JEPS110377
Digitaria sanguinalis
Lowell Ahart
2006-9-11
13305
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville
431
Comment
UCD163049
Diospyros virginiana var. virginiana
D. O. Burge
2015-9-21
1832
Butte
Helltown area, Butte Creek Canyon, roadside on Centerville Road.
260
Comment
CHSC55416
Diplacus grandiflorus
Ben Cunningham
1991-4-20
Butte
Ca. 4.5 mi s of Pulga and 10 ft w of Highway 70, 52 mi s of Greenville.
609
Comment
CHSC100801
Diplacus jepsonii
R. A. Schlising; L. Janeway
1988-7-1
4548
Butte
N part of county; end of road above Summit Lake, on Snow Mountain.
Comment
CAS-BOT-BC154030
Diplacus torreyi
E. B. Copeland
1929-7-18
462
Butte
Jonesville
1550
Comment
CAS-BOT-BC154036
Diplacus torreyi
A. A. Heller
1928-6-20
14616
Butte
At Butte Meadows
Comment
CHSC1776
Diplacus torreyi
1932-5-20
Butte
Along roadside at Kimshew Falls bridge, near Stirling.
1005
Comment
CHSC42968
Diplacus torreyi
Lowell Ahart
1987-7-3
5764
Butte
On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap.
271
Comment
CHSC44796
Diplacus torreyi
R. Banchero
1980-6-26
269
Butte
Along Bull Hill Rd 2.5 mi N of its jct with the Skyway.
1524
Comment
CHSC105273
Diplacus tricolor
Lowell Ahart
2010-6-20
16820
Butte
About 1/4 mile north of Cox Lane, about 1 1/2 miles east of Palermo Honcut Highway, Guidci Ranch, about 7 1/2 miles (air) southeast of Oroville.
59
Comment
SEINET3450774
Distichlis spicata
Lowell Ahart, Josephine Guardino, Steve Green
2003-5-27
10223
Butte
Chico, Chico, about 3.5 miles east of Manzanita Avenue, about 100 yards west of the dirt road, west of Diversion Dam on Big Chico Creek, west of Parking area L, Upper Bidwell Park
120
Comment
CHSC97717
Dittrichia graveolens
Lowell Ahart
2007-10-30
14510
Butte
West side of Highway 99, about 100 yards north of Badger Creek Road, about 500 yards south of Richvale East Road, about 7 (air) miles west of Oroville.
34
Comment
HSC100766
Dittrichia graveolens
Lowell Ahart
2007-10-30
14510
Butte
W side of Hwy. 99, ~100 yd. N of Badger Creek Rd., ~500 yd. S of Richvale East Rd., 7 (air) mi. W of Oroville.
34
Comment
JEPS115045
Dittrichia graveolens
Lowell Ahart
2007-10-30
14506
Butte
Both sides of Lower Wyandotte Road, about 2 1/2 miles (air) northeast of Palermo, about 4 1/4 miles (air) southeast of Oroville
129
Comment
CHSC95143
Dodecatheon alpinum
R. D. Fischer
2005-6-5
856
Butte
Chico Meadows. Northern Sierra Nevada, n. of Forest Ranch, 5 miles w. of Hwy 32 off Humboldt Road to Butte Meadows and ca. 3 miles n. to Chico Meadow (Camp Lassen, BSC) on Scout Road. Plant growing along eastern edge of Chico Meadow.
1280
Comment
CHSC31402
Dodecatheon hendersonii
Leslie Steidl
1980-3-15
3
Butte
Ca. 0.6 mi nw of Lumpkin Rd. on Island Bar Hill Rd, and 10 ft w of Island Bar Hill Rd, 22 mi ene of Oroville.
731
Comment
CHSC58896
Downingia bacigalupii
Lowell Ahart
1992-7-21
6795
Butte
Growing on the sides of a snow lake, on the south side of Coon Hollow, about 2 (air) miles north-east of Philbrook Reservoir.
1737
Comment
SD122580
Downingia bella
Lowell Ahart
1984-5-7
4587
Butte
Peter Ahart Ranch, ca. 1.5 mile north and 0.5 mile east of Honcut., 12 miles south of Oroville.
49
Comment
CHSC46261
Downingia insignis
Vernon Oswald
1989-5-1
3757
Butte
Butte Sink Wildlife Area (w portion of Schohr Ranch). Fallow fice field located on the e side of the dike road ca. 1.3 mi n of Gridley-Colusa Hwy.
18
Comment
CHSC28145
Downingia ornatissima
Robert A. Schlising; Ellen Sanders
1979-4-28
3380
Butte
Near Richvale; vernal pools in grassland w of Hwy 99 and Thermalito Afterbay; 1/4 mi s of jct Hwy 99 and Hwy 162 to Oroville.
Comment
CHSC2377
Downingia ornatissima var. ornatissima
R. Carter
1965-5-13
198
Butte
Exact location unknown, but found somewhere along the Cana Rd. ca. 9 mi. NE of Chico W of Hwy. 99E.
45
Comment
CAS-BOT-BC41347
Draba verna
Lowell Ahart
1983-4-1
3914
Butte
About 4 miles south of Jarbo Gap. Along the edge of old Highway 40.
350
Comment
CAS-BOT-BC41345
Draba verna
Lowell Ahart
1980-3-6
2027
Butte
Honcut. Peter Ahart Ranch.
50
Comment
CHSC90641
Draba verna var. aestivalis
Lowell Ahart
2005-4-2
11686
Butte
Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
25
Comment
CHSC44041
Draperia systyla
L. P. Janeway
1987-5-20
2075
Butte
Cyn of N Fk Feather River. Along hwy 70 1.7 mi NE of Pulga Bridge; at Poe Dam. NW-facing rocky slope along the hwy.
472
Comment
UCD123978
Drosera rotundifolia
Barry Rice
2011-7-6
BR 110701
Butte
no exact location.
1400
Comment
RSA712997
Dryopteris arguta
L. Ahart
2006-5-19
12634
Butte
On the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga.
406
Comment
RSA713017
Dryopteris arguta
L. Ahart
2005-11-12
12481
Butte
90 yards northeast of large parking area by the gate. end of Dark Canyon Road, about 3 miles south of Highway 70 at big Bend Road.
327
Comment
CAS-BOT-BC536732
Duchesnea indica
Lee Richardson
1939-6-3
s.n.
Butte
Established at Richardson's Springs
Comment
CHSC42107
Dysphania ambrosioides
Lowell Ahart
1986-11-9
5460
Butte
On the bottom of a pond, about 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville.
36
Comment
SEINET11934612
Dysphania anthelmintica
Unknown
1981-1
3224
Butte
a little W of Gray Lodge Waterfowl Mgmt HQ, ca 0.75 mi W of Pennington Rd, ca 12 mi SW of Gridley
35
Comment
CHSC34193
Dysphania botrys
R. A. Schlising
1979-10-14
3510
Butte
Along Sacramento River w of Chico. Just n of Chico Landing Site in Bidwell River State Park.
Comment
CHSC75996
Dysphania botrys
Lowell Ahart; Vernon H. Oswald
1999-8-13
8178
Butte
Disturbed area along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southwest of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
CHSC40900
Dysphania pumilio
Lowell Ahart
1985-11-7
5229
Butte
Below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, about 200 yards north-west of the Ponderosa Dap.
286
Comment
CHSC52010
Dysphania pumilio
L. P. Janeway; C. A. Janeway
1986-11-23
1944
Butte
Foreman Creek access to Lake Oroville. On a +/- muddy and gravelly point in Lake Oroville ca 20-40 ft low below high watr mark.
274
Comment
UCD98828
Dysphania pumilio
J. A. Ream
1931-7-21
2240
Butte
Paradise.
Comment
CHSC38812
Echinochloa colona
Vernon Oswald
1983-8-27
1032
Butte
Upper Bidwell Park, Chico, ca. 200 ft s of Upper Park Rd. and 1200 ft e of the parking lot at Salmon Hole.
182
Comment
CHSC34129
Echinochloa crus-galli
L. Ahart
1981-9-19
3192
Butte
In a rice field a little w of the Butte County Rice Experiment Station, ca. 3 mi w on Hwy 162 from Hwy 99, ca. 3 mi n of Biggs.
35
Comment
JEPS114996
Echinochloa crus-galli
Lowell Ahart
2007-11-3
14558
Butte
Along a very small stream, below the high water line of Lake Oroville, about 3/4 mile east of the Power House below Kunckle Reservoir, about 1 1/4 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise
259
Comment
JEPS120763
Echinochloa crus-galli
Lowell Ahart
2013-9-20
19055
Butte
About 100 yards west of the railroad, about 400 yards south of the Rice Experiment Station buildings, about 2 miles SE of Richvale.
Comment
UCD41382
Echinochloa crus-galli
E. Dean; with J. Ditomaso and E. Healy
2001-8-20
853
Butte
Biggs UC Field Station. North of town of Biggs, W of jct of Hwys 99 and 162. North side of Hamilton Road, ca. 1/8 mile E of jct with Riceton Hwy. Along second north-south running dirt road leading N into rice fields, at intersection with first east-west running dirt road, corner of rice field.
30
Comment
UCD60928
Echinochloa crus-galli
Leonard
1921-6-16
X- 3094
Butte
Chico.
Comment
SEINET10509316
Echinochloa crus-galli
Lowell Ahart
1984-9-17
Ahart 4792 B
Butte
Peter Ahart Ranch, ca. 2.3 mi N and 0.3 mi E of Honcut, ca. 12 mi S of Oroville. Valley Grassland; 50 m elev.
50
Comment
SEINET10509321
Echinochloa crus-galli
Mary Susan Taylor
1979-11-11
Taylor 2284
Butte
T20 N R1E. Ca. 6 mi S of Chico, on W side of Goodspeed-Watt Road. With Jim Jokerst.
34
Comment
CDA2008
Echinochloa crus-galli var. crus-galli
Margaret Bellue
1947-8-23
Butte
Near Biggs.
0
Comment
CDA1994
Echinochloa oryzoides
M. K. Bellue
1948-1
Butte
Biggs.
0
Comment
CHSC34025
Echinodorus berteroi
L. Ahart
1981-7-26
3014
Butte
Ca. 1/2 mi s of the Gray Lodge Waterfowl Mgmt. HQ, ca. 12 mi sw of Gridley.
35
Comment
CHSC115333
Elatine
Lowell Ahart
2015-4-24
20071
Butte
Normal size plants, on damp bare soil, bottom of a large duck field.
19
Comment
CHSC82220
Elatine chilensis
Lowell Ahart
2002-4-15
9498
Butte
On the bottom and sides of ponds and ditches, east of Parking Lot 10, Gray Lodge State Wildlife Management Area, about 4 miles (air) southwest of Gridley.
22
Comment
HSC72958
Elatine rubella
M. S. Taylor
1978-7-22
1850
Butte
Richvale, on SE corner of Richvale E Rd. and Erickson Rd.
30
Comment
CHSC55610
Eleocharis acicularis
L. P. Janeway; C. A. Janeway
1986-8-31
1818
Butte
Along Philbrook Reservoir near Picnic Area. Along east end of the lake.
1691
Comment
CHSC78285
Eleocharis acicularis
Lowell Ahart
2000-7-11
8576
Butte
Pond edges, on the north side of Lumpkin Ridge Road, upper west branch of Know-nothing Creek, about 1 mile southwest of the intersection of Lumpkin Ridge Road, road to Fall River, and the County Road, about 4 miles (air) northeast of Feather Falls.
1219
Comment
JEPS98467
Eleocharis acicularis
Lowell Ahart
2000-9-15
8690
Butte
2 mi SE of Ordbend (N of a large pond on E side of Sacramento River, NW of Parrott Landing, 1 mi SE of Ord Ferry, 12 air miles SW of Chico)
32
Comment
CAS-BOT-BC113370
Eleocharis engelmannii
Lowell Ahart
1979-6-2
s.n.
Butte
Peter Ahart Ranch, Honcut
45
Comment
CHSC68439
Eleocharis macrostachya
L. P. Janeway
1988-6-29
2907
Butte
Spring where Crouch Ravine fades into Cool Ridge; 1/4 mi south of the Skyway, 2.9 mi east of the Skyway bridge over Butte Creek.
170
Comment
CAS-BOT-BC112789
Eleocharis macrostachya
Lowell Ahart
1983-6-26
4144
Butte
Along Ponderosa Way.
550
Comment
JEPS110328
Eleocharis montevidensis
Lowell Ahart
2006-7-25
13060
Butte
In the west part of a large meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows
1569
Comment
CHSC33713
Eleocharis pachycarpa
J. D. Jokerst; R. A. Schlising, B. Banchero
1981-6-13
1336
Butte
N of and adjacent to Hwy 162 opposite Lake Madrone.
600
Comment
JEPS98506
Eleocharis pachycarpa
Lowell Ahart
2000-8-30
8676
Butte
Bottom of a small depression, southeast of a large pond, about 100 yards south of the Feather River, west of the break in the levee, about 1/2 mile (air) west of Pacific Heights Road, Oroville Wildlife Area, about 3 1/3 miles (air) southwest of Oroville.
42
Comment
SEINET3478049
Eleocharis pachycarpa
Unknown
2000-7-18
8597
Butte
Oroville, Oroville, about 4 air miles southwest, about 0.5 miles west of Pacific Heights Road, Oroville Wildlife Area
40
Comment
RSA754815
Eleocharis palustris
L. Ahart
2009-6-30
15979
Butte
Along a small flowing stream about 55 yards SE of the gate, about 45 yards E of Ten Mile House Road, Upper Bidwell Park, about 3/4 air miles W of Highway 32, about 10 miles NE of Chico.
270
Comment
CHSC96094
Eleocharis quadrangulata
L. P. Janeway
2006-7-19
8816
Butte
Sacramento Valley. Waterfowl brood pond on shallow arm of Thermalito Afterbay, 225 m east of Wilber Road, 2.1 km south of Hwy 162.
41
Comment
RSA0046897
Eleocharis quadrangulata
Richard Carter
2006-7-31
17113
Butte
Ca. 4 airmiles S Oroville jct. Hwy CA 70 and Hwy CA 162, Oroville Wildlife Area.
Comment
CHSC78202
Eleocharis quinqueflora
Lowell Ahart
2000-5-23
8386
Butte
Along a large wash, northeast of the pond, about 1/8 mile north of La Porte Road, about 1/2 mile southeast of the Honcut Cemetery, about 4 miles northeast of Honcut, about 13 miles (air) southeast of Oroville.
54
Comment
CHSC78306
Eleocharis quinqueflora
Lowell Ahart
2000-6-29
8542
Butte
By the road culvert on the northwest side of Concow Road at Flea Meadow, about 1/2 mile west of Flea Mountain, about 3 1/2 miles (air) north of Concow Reservoir, about 5 miles (air) east of Magalia.
1036
Comment
CDA33180
Eleocharis quinqueflora
L. Ahart
2000-7-5
8552
Butte
In a small meadow, about 100 yards west of the Skyway, about 1 mile south of Inskip, about 4 1/2 miles north of Stirling City
Comment
HSC97772
Eleocharis quinqueflora
L. Ahart
2000-5-28
8408
Butte
N margin of large wash 200 yds. E of road crossing, Peter Ahart Ranch, 1.5 mi. N and 1.25 mi. E of Honcut, 12 mi. SE of Oroville
37
Comment
SEINET7587005
Eleocharis quinqueflora
Lowell Ahart
2000-7-5
8553
Butte
West of the cow chute and the large parking area on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
404
Comment
CHSC113146
Eleocharis radicans
Lowell Ahart
2013-11-13
19238
Butte
Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam.
244
Comment
CHSC78568
Eleocharis radicans
Lowell Ahart
2000-8-30
8677
Butte
Bottom of a small depression, southeast of a large pond, about 100 yards south of the Feather River, west of the break in the levee, about 1/2 mile (air) west of Pacific Heights Road, Oroville Wildlife Area, about 3 1/3 miles (air) southwest of Oroville.
42
Comment
JEPS124328
Eleocharis radicans
Lowell Ahart
2015-10-20
20567
Butte
About half way of and east of One Mile Pond, about 6 miles (air) east of Biggs.
Comment
CDA38984
Eleocharis radicans
L. Ahart
2000-9-4
8686
Butte
Along the west margin of a large pond, on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
0
Comment
CHSC46686
Eleocharis suksdorfiana
V. Oswald; L. Ahart
1989-8-15
3936
Butte
Soda Ridge Rd, 1.4 mi w of its junction with Coon Hollow Rd, ca. 1.2 mi (air) n of Philbrook Reservoir. Meadow adjacent to a shallow spring-fed lake n of and visible from the road.
1752
Comment
CHSC68449
Eleocharis suksdorfiana
L. P. Janeway; R. A. Schlising, B. Castro, Pauleen Broyles
1987-7-19
2499
Butte
Coon Hollow, 1.0 mi southeast of the Humbug Summit Road. Meadows on north side of the creek.
1661
Comment
CHSC29845
Elodea canadensis
K. R. Stern
1980-6-19
6661
Butte
In Gold Run Creek, SE of Shippee Rd.
68
Comment
CHSC37397
Elodea canadensis
R. A. Schlising
1980-8-31
3979
Butte
Richvale Vernal Pools, 1/4 mi s of jct of Hwy 162 to Oroville and Hwy 49, along latter and across from Thermalito Afterbay.
Comment
CHSC107432
Elymus caput-medusae
L. P. Janeway
2011-6-29
10404
Butte
Northern High Sierra Nevada. Top of Bloomer Hill, at southwest corner of the fence around the upper communication tower; between the chain-link fence and a little used short access dirt road.
908
Comment
CHSC8599
Elymus caput-medusae
Dave Isle
1969-5-17
477
Butte
On E. side of the Bare Hole turn-off from the Upper Bidwell Park road (E. of Chico).
59
Comment
CHSC11974
Elymus elymoides subsp. californicus
E. B. Copeland
1929-7-24
340
Butte
Jonesville.
1575
Comment
JEPS116073
Elymus glaucus subsp. glaucus
Lowell Ahart
2009-5-30
15793
Butte
On dry soil, about 50 yards south of the fence and about 120 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway32, about 10 miles northeast of Chico
269
Comment
CDA31733
Elymus multisetus
A. A. Beetle
1941-6-27
2740
Butte
20 miles northeast of Chico
0
Comment
UCD62619
Elymus stebbinsii subsp. septentrionalis
R. Tofsrud
1948-7-1
Butte
Between Berry Creek and Bidwell Bar.
Comment
CAS-BOT-BC165894
Epilobium
John Thomas Howell
1961-9-22
36767
Butte
North Fork of Feather River, 10 miles from Oroville
Comment
SEINET12193971
Epilobium adenocaulon
L. Ahart, Ahart, P.
1983-1
4212
Butte
ca 5 mi NE of Forbestown, Forbestown Reservoir
450
Comment
CHSC45760
Epilobium brachycarpum
Steven Triano
1988-9-18
250
Butte
Ca 70 ft w of Hwy. 32 and 20.3 mi n of its jct. with Hwy. 99.
984
Comment
CHSC105262
Epilobium campestre
Lowell Ahart
2010-6-20
16826
Butte
About 1/4 mile north of Cox Lane, about 1 1/2 miles east of Palermo Honcut Highway, Guidci Ranch, about 7 1/2 miles (air) southeast of Oroville.
59
Comment
CHSC33677
Epilobium campestre
L. Ahart
1981-5-16
2805
Butte
On the Graylodge Waterfowl Mgmt Area, 11 mi sw of Gridley.
35
Comment
CHSC30857
Epilobium canum subsp. latifolium
L. Ahart
1980-9-10
2627
Butte
Along the rd ca. 1 mi ne of Millsap Bar, ca. 25 mi ne of Oroville, near the Middle Fork of the Feather River.
900
Comment
CHSC37112
Epilobium ciliatum subsp. ciliatum
L. Ahart; M. S. Taylor
1982-10-11
3863
Butte
Ca. 0.1 mi se of HQ, Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley.
35
Comment
CHSC38569
Epilobium ciliatum subsp. ciliatum
Vernon Oswald
1983-6-29
797
Butte
Upper Bidwell Park, Chico, on the n side of Upper Park Rd. near Parking Area L (Diversion Dam).
134
Comment
CHSC69722
Epilobium ciliatum subsp. ciliatum
Lowell Ahart
1997-10-20
7926
Butte
On sand bars, on the west side of the sharp bend in the South Fork of the Feather River, about 1/4 mile north of the bridge across the river, about 3/4 mile north of Golden Trout Crossing, 3 miles (air) northwest of Sly Creek Reservoir Dam.
914
Comment
POM219491
Epilobium ciliatum subsp. ciliatum
H. F. Copeland
1928-8-21
413
Butte
Near head of Willow Creek, Neighborhood of Jonesville.
1524
Comment
UC1191712
Epilobium ciliatum subsp. ciliatum
Herbert L. Mason and Verne Grant
1946-8-14
13035
Butte
canal near big pond on Sacramento Outing Club; Butte Sink
Comment
CHSC75291
Epilobium cleistogamum
Lowell Ahart
1999-5-21
8071
Butte
Along a drain ditch in a pasture field, 50 yards north of Evans Reimer Road, about 7/8 mile east of Pennington Road, about 5 miles (air) southwest of Gridley.
21
Comment
JEPS119636
Epilobium cleistogamum
Lowell Ahart
2012-6-4
18154
Butte
Peter Ahart Rancho, about 2 1/4 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
Comment
UC765003
Epilobium cleistogamum
R. F. Hoover
1936-5-20
1153
Butte
10 mi sw Oroville
Comment
CHSC28386
Epilobium densiflorum
J. D. Jokerst
1979-10-12
378
Butte
50 met. E. of Big Chico Cr., 1.0 mi. N.E. of end of Upper Bidwell Park Rd.
213
Comment
CHSC31183
Epilobium densiflorum
M. S. Taylor
1978-7-18
1687
Butte
On n side of Old Humboldt Rd, ca. 1 mi e of jct of Old Humboldt Rd and Hwy 32.
1326
Comment
JEPS119814
Epilobium densiflorum
Lowell Ahart
2012-8-12
18418 -A
Butte
On the south edge of North Honcut Creek, about 3/4 mile north and 2 1/2 miles east of Honcut, about 13 miles southeast of Oroville.
Comment
CHSC46576
Epilobium glaberrimum subsp. glaberrimum
Vernon H. Oswald
1989-7-18
3862
Butte
Humboldt Rd east of Butte Meadows, ca. 0.5 mi sw of the Butte Creek Bridge at Cherry Hill. Meadow bordering Butte Creek.
1389
Comment
CHSC92586
Epilobium minutum
L. P. Janeway
2005-5-29
8400
Butte
Northern High Sierra Nevada. Isolated block of serpentine between the east end of Hollywood Drive, Magalia and the upper end of Magalia Reservoir.
762
Comment
SEINET6644443
Epilobium obcordatum
E. B. Copeland
1931-1
664
Butte
Jonesville; "the Summit"
2000
Comment
SBBG128078
Epipactis gigantea
L. Ahart
2009-6-3
15833
Butte
E side of Big Chico Crk, SW of the meadow, ca. 30 yards W of Ten Mi House Rd, Upper Bidwell Park, ca. 3/4 mi W of Hwy 32
209
Comment
CHSC28508
Equisetum arvense
M. S. Taylor; J. D. Jokerst
1979-10-13
2251
Butte
By creek crossing Jordan Hill Rd (Ponderosa Way on some maps), ca. 0.8 mi n of its jct with Concow Rd, ca. 5 mi e of Paradise.
426
Comment
CHSC31516
Equisetum hyemale subsp. affine
L. Ahart
1977-6-16
1416
Butte
On both sides of North Honcut Creek, 3.0 mi ne of Honcut near Peter Ahart Ranch.
50
Comment
CHSC38235
Equisetum hyemale subsp. affine
Vernon Oswald
1983-6-7
640
Butte
Upper Bidwell Park, Chico, on the s side of Chico Creek ca. 800 ft e of the footbridge at the golf course.
91
Comment
JEPS117724
Equisetum hyemale subsp. affine
Lowell Ahart
2010-9-13
17151
Butte
Edge of ponds, Oroville Wildlife Area, about 1/2 mile west of Pacific Heights Road, about 3 1/2 miles (air) northwest of Palermo
31
Comment
CAS-BOT-BC57255
Equisetum laevigatum
E. B. Copeland
1930-6-24
403
Butte
Jonesville
1500
Comment
CAS-BOT-BC57257
Equisetum laevigatum
Lowell Ahart
1983-4-22
3937
Butte
Peter Ahart Ranch, banks of North Honcut Creek, about 1 1/4 miles north and 3 miles east of Honcut
50
Comment
CHSC11939
Equisetum laevigatum
E. B. Copeland
1930-6-24
403
Butte
Jonesville.
1500
Comment
JEPS110229
Equisetum laevigatum
Lowell Ahart
2006-7-16
12984
Butte
In the west edge of a large wet meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows
1569
Comment
JEPS95928
Eragrostis cilianensis
Lowell Ahart
1999-8-22
8187
Butte
northwest of Parrott Landing; about 1 mile southeast of Ord Ferry; about 2 miles southeast of Ordbend; about 12 miles (air) southwest of Chico
32
Comment
CHSC51036
Eragrostis hypnoides
Lowell Ahart
1990-7-4
6543
Butte
Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville.
243
Comment
CHSC34204
Eragrostis pectinacea var. pectinacea
J. D. Jokerst
1981-9-26
1501
Butte
Swale ca 100 m E of Sacramento River at the Bidwell River State Park (Chico Landing) ca 5.0 mi W of Chico.
Comment
CHSC94758
Eragrostis pectinacea var. pectinacea
Lowell Ahart
2006-9-11
13338
Butte
South side of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville.
431
Comment
JEPS120720
Eragrostis pectinacea var. pectinacea
Lowell Ahart
2013-10-12
19105
Butte
On the east side of Palermo Honcut Highway, about 20 yards south of Palermo Road, Palermo.
Comment
CAS-BOT-BC278511
Eragrostis pilosa var. pilosa
Lowell Ahart
1977-8-14
1492
Butte
Peter Ahart Ranch, Honcut
50
Comment
CHSC102287
Eragrostis pilosa var. pilosa
Lowell Ahart
2009-10-7
16408
Butte
Larkin Road access to the Thermalito Afterbay, about 4 miles (air) southwest of Oroville.
41
Comment
CAS-BOT-BC174107
Eremogone aculeata
Anna Head
1920-7-20
s.n.
Butte
Top of ridge near Round Lake, Feather River Region
2133
Comment
CHSC92520
Eremogone cliftonii
Samantha Mackey Hillaire; Matt Brown
2005-6-20
1218
Butte
South of Middle Fork of Feather River. Along road 22N62. On the east side of the canyon. UTM 10 S 650834,4397612.
859
Comment
CAS-BOT-BC131515
Ericameria arborescens
Lowell Ahart
1976-10-13
s.n.
Butte
0.25 mile west of Pinkard Creek which is about 2 miles northwest of The Sly Creek Reservoir
Comment
UC600729
Ericameria bloomeri
H. F. Copeland
1920-8-25
383
Butte
Jonesville
Comment
UC699659
Ericameria nauseosa var. speciosa
E. B. Copeland
Butte
Butte Meadows Butte
Comment
CHSC37078
Erigeron bonariensis
L. Ahart
1982-9-9
3771
Butte
Ca. 100 m n of the check-in station, Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley.
35
Comment
CHSC62426
Erigeron canadensis
L. P. Janeway
1993-9-7
4586
Butte
Plumas National Forest. About 300 ft west of the south end of Ponderosa Dam. Along dirt road.
298
Comment
UC1594581
Erigeron foliosus var. hartwegii
Lowell Ahart
1992-5-9
6756
Butte
along gulch about 1.25 mi w Oroville Dam; Lake Oroville Recreation Area, Oregon Gulch
91
Comment
CHSC34037
Erigeron inornatus var. inornatus
L. Ahart
1981-7-7
2913
Butte
A little e of the bridge across Rocky Honcut Creek, Swedes Flat Rd, ca. 7 mi s of Bangor.
350
Comment
CHSC61906
Erigeron petrophilus var. sierrensis
M. S. Taylor
1981-6-19
3962
Butte
N side of Feather River Hwy 70, at nw end of Pulga bridge and along Pulga Rd, ca. 20 mi ne of Oroville.
Comment
CAS-BOT-BC295951
Erigeron philadelphicus
Lowell Ahart
1987-6-9
5741
Butte
On the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
271
Comment
CHSC100467
Eriobotrya japonica
Lowell Ahart; John Dittes, Josephine Guardino
2008-11-8
15419
Butte
On the west side of Cedar Grove, Lower Bidwell Park, Chico.
67
Comment
CHSC27256
Eriobotrya japonica
P. Moyer
1971-2-1
79
Butte
CSUC Campus. S bank Chico Ck., at base of sycamore tree, w of L.S.-Ed. Psych. Bridge.
60
Comment
CDA42965
Eriochloa acuminata var. acuminata
L. Ahart
2013-10-12
19108
Butte
On the east side of Palermo Honcut Highway, about 20 yards south of Palermo Road, Palermo.
Comment
CHSC23446
Eriogonum luteolum var. luteolum
K. R. Stern
1974-6-30
5769
Butte
Serpentine outcrop, Coutelenc Road, 0.2 mi n of intersection with Skyway and ca. 1 mi n of Magalia.
Comment
UC912846
Eriogonum luteolum var. luteolum
A. A. Heller
1916-9-5
12646
Butte
hills 8 mi n Oroville
Comment
CHSC105794
Eriogonum nudum var. oblongifolium
Lowell Ahart
2010-9-12
17149
Butte
Below the high water line of Lake Oroville, about 150 yards north of the South Fork of the Feather River, about 50 yards east of Sucker Creek, about 1/4 mile (air) northwest of the Ponderosa Dam.
243
Comment
CAS-BOT-BC269855
Eriogonum nudum var. pubiflorum
A. A. Heller
1917-7-26
12823
Butte
Butte Meadows
1402
Comment
UC1562280
Eriogonum roseum
Lowell Ahart
1990-8-15
2923
Butte
about 1/2 mi nw Enterprise Bridge (below the high water line of Lake Oroville, e of the Enterprise Boat Launch Area); Lake Oroville
274
Comment
CHSC45370
Eriogonum spergulinum var. reddingianum
Vernon Oswald; Lowell Ahart
1987-6-10
2980
Butte
Forest Service road joining Humbug Rd. in about the center of Section 22, in the first drainage e of Humbug Rd.
1874
Comment
CAS-BOT-BC267909
Eriogonum umbellatum
V. Oswald; L. Ahart
1988-7-29
3645
Butte
Ca. 5 mi. (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn.
2103
Comment
SEINET10624048
Eriogonum umbellatum var. ahartii
James L. Reveal
1975-8-24
Reveal 3977
Butte
Butte Co. Along California Highway 70 in Feather River Canyon at the turnoff to Pulga, on serpentine outcrops associated with Quercus, Phacelia and poison oak.
Comment
UC1562322
Eriogonum umbellatum var. nevadense
Vernon Oswald and Lowell Ahart
1990-7-19
4373
Butte
ca. 3 mi e Philbrook Reservoir (slope on the s side of Philbrook Creek, ca. 0.7 mi w of Plumas County line); Philbrook Creek
1950
Comment
CAS-BOT-BC262206
Eriogonum ursinum
A. A. Heller
1917-7-29
12855
Butte
Summit above Jonesville
2133
Comment
UCD101514
Eriogonum vimineum
Lowell Ahart
1972-6-21
120
Butte
Peter Ahart Ranch, about 2.25 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC28533
Eriogonum wrightii var. trachygonum
M. S. Taylor
1979-11-15
2286
Butte
In rocky tailings, North Honcut Creek, Peter Ahart Ranch, Honcut.
45
Comment
CHSC51369
Eriogonum wrightii var. trachygonum
Vernon Oswald
1990-10-13
4464
Butte
Path on the south side of the Feather River between the fish hatchery and Bedrock Park, Oroville.
42
Comment
CHSC42688
Eriophorum gracile
Vernon Oswald
1987-9-1
3230
Butte
Chico Meadows, ca. 1 mi n of Butte Meadows. Marshy seep near the edge of the 'swimming hole' at the Boy Scout Camp.
1280
Comment
CAS-BOT-BC308152
Eriophyllum lanatum var. grandiflorum
A. A. Heller
1912-5-23
10748
Butte
Table Mountain Olive Ranch north of Oroville
Comment
CAS-BOT-BC308172
Eriophyllum lanatum var. grandiflorum
A. A. Heller
1915-5-28
11909
Butte
Cohasset, Sierra foothills
Comment
UC175162
Eriophyllum lanatum var. grandiflorum
A. A. Heller
1913-5-28
10763
Butte
8 mi n Oroville (ditch along Table Mountain); Table Mountain
182
Comment
SEINET8526725
Erodium botrys
R. R. Halse
2002-3-27
6154
Butte
At the junction of State Hwy 99 and Hamilton Nord Cana Hwy ca. 8 miles NW of Chico
Comment
JEPS115234
Erodium brachycarpum
Lowell Ahart, John Dittes
2009-3-20
15509
Butte
Open area west of the Guardian Rock Trail, about 175 yards southwest of the Ten Mile House Road Trail, about 300 yards west of Highway 32, west of the intersection of Highway 32 and Ten Mile House Road, Upper Bidwell Park, about 10 miles northeast of Chic
407
Comment
CHSC101331
Erodium cicutarium
Lowell Ahart
2009-4-22
15579
Butte
West side of Guardians Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
381
Comment
CHSC19922
Erodium cicutarium
M. S. Taylor
1975-2-16
375
Butte
Abundant ca. 1/4 mi w of Pentz-Magalia Hwy, ca. 5 mi s of Paradise, in vicinity of Lime Saddle Reservoir.
Comment
RSA715577
Erodium cicutarium
L. Ahart
2005-4-14
11723
Butte
About 20 feet east of the railroad tracks, north of Spruce Street, Gridley.
28
Comment
JEPS94822
Erodium moschatum
Lowell Ahart
1998-6-9
8002
Butte
about 7 air mi n Oroville (about 5/8 mi nw of the ione oak tree, nw of the cow chute along Cherokee Road); North Table Mountain
396
Comment
UCD127480
Eryngium articulatum
Herbert L. Mason; Verne Grant
1946-9-4
13103
Butte
Colusa Gun Club.
Comment
RSA481930
Eryngium castrense
Aaron Liston, Sara Meury
1988-5-28
743 -5
Butte
15 km (air) SE of Chico. 1/4 mi. S of Pentz Rd., 1/8 mi. E of Hwy 99.
55
Comment
UC1487246
Eryngium castrense
Yusuf Sheikh
1975-7-9
606
Butte
e. Briggs (on Hamilton Rd. ca. 0.5 mi. from intersection w/ State Hwy. 99)
Comment
CHSC44825
Erythranthe bicolor
R. Banchero
1980-4-26
138
Butte
Along the Cohasset Hwy 6.1 mi NE of its jct with Keefer Rd, ca 1.4 mi E of the Hwy.
609
Comment
CHSC44750
Erythranthe breweri
R. Banchero
1980-6-13
223
Butte
Little Bald Rock, ca 1.0 mi E of Bald Rock Rd.
1036
Comment
CHSC40889
Erythranthe filicifolia
Lowell Ahart
1985-5-22
5027
Butte
Along Bean Creek Road, about 1/2 mile south-east of Little Bald Rock.
1066
Comment
CHSC48997
Erythranthe floribunda
Vernon Oswald
1984-6-3
1251
Butte
Sacramento River, ca. 0.5 mi downstream from the mouth of Stony Creek.
39
Comment
CHSC25056
Erythranthe geniculata
G. N. Steger
1972-4-15
Butte
Located at base of Coal Creek Falls, Coal Canyon, North Table Mt., 4 mi n of Cherokee Rd. and 1 1/2 mi nw from Cherokee Rd.
304
Comment
SEINET13976392
Erythranthe grandis
A. A. Heller
1938-1
15028
Butte
Table Mountain
305
Comment
CHSC105771
Erythranthe guttata
Christopher T. Ivey
2010-6-7
374
Butte
Honey Run Road, 3.0 km NE of bridge crossing Butte Creek, in wet meadow and roadside ditch.
165
Comment
CHSC44735
Erythranthe guttata
R. Banchero
1980-6-16
235
Butte
Chico Meadows, 0.95 mi N of the jct of Humbolt Rd and the Skyway.
1316
Comment
CHSC84226
Erythranthe guttata
Lowell Ahart
2003-7-17
10419
Butte
On the east side of Black Bart Road, about 1/2 mile west of the intersection of Forbestown Road and Black Bart Road, about 4 miles (air) southwest of Forbestown.
716
Comment
CHSC42865
Erythranthe pulsiferae
Lowell Ahart
1987-5-12
5654
Butte
South of Lumpkin Ridge Road, 1 1/2 miles north-east of Camp 18, about 8 miles north-east of Feather Falles.
1280
Comment
POM219479
Erythranthe pulsiferae
E. B. Copeland
1931-7-6
687
Butte
Jonesville.
1500
Comment
CAS-BOT-BC504521
Erythronium multiscapideum
Mrs. J. H. Morrison
1932-3-13
s.n.
Butte
Durham
Comment
CAS-BOT-BC504528
Erythronium multiscapideum
Junea Kelley
1920-4-24
s.n.
Butte
Los Verjils
Comment
CAS-BOT-BC504539
Erythronium multiscapideum
M. S. Taylor
1981-3-18
3422
Butte
Around and w of bridge crossing West Branch of Feather River on Ponderosa Way (Jordan Hill Rd), both banks
579
Comment
HSC23466
Erythronium multiscapideum
J. L. Wilson
1970-2-27
207
Butte
Canyon side NE of Paradise, 0.65 mi. E of intersection of the steep gravel rd. and Coutolenc Rd. on the gravel rd., intersection 0.15 mi. NE of intersection of Coutolenc Rd. and skyway
579
Comment
CHSC1201
Eschscholzia californica
P. Delaplane
1965-3-27
16
Butte
In field on W. side of Cactus Ave at intersection of Manzanita, Chico.
30
Comment
CHSC3845
Eschscholzia californica
L. E. Dunkel
1965-4-15
20
Butte
Along Lindo Channel, 300 yds. e of Longfellow Bridge, Chico.
27
Comment
CHSC40627
Eschscholzia californica
Ahart; Jokerst
1985-3-24
4860
Butte
Found growing west of Lunt Road, about 1/2 miles north of the intersection of Lunt Road and Highway 70, north of Yankee Hill.
550
Comment
CHSC46497
Eschscholzia lobbii
Lowell Ahart
1975-5-12
776
Butte
Along North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 1/2 miles east of Honcut, about 12 miles south of Oroville.
39
Comment
CHSC85392
Eschscholzia lobbii
John Dittes; Josephine Guardino
1992-5-7
482
Butte
Cascade Range Foothills; ca. 5.1 air-miles northeast of Chico City Hall, ca. 1.3 air-miles east by southeast of Horseshoe Lake, ca. 1.2 air-mile west of Hwy 32; north of tributary of Dead Horse Slough, east of Canyon Oaks Golf Course.
176
Comment
SJSU15292
Eschscholzia lobbii
Lisa Morton
2002-3-30
13
Butte
Upper Bidwell Park, Along N. Rim Trail on top of butte.
80
Comment
JEPS118625
Eucalyptus tereticornis
L. P. Janeway
2011-2-22
10226
Butte
Sacramento Valley. Near edge of water, south side Feather River just east of Bedrock Park, Oroville. Lamoine 7.5 minute quadrangle, 665-2, 1998
Comment
CAS-BOT-BC310464
Eucephalus tomentellus
M. S. Taylor; L. Ahart
1981-8-16
4212
Butte
N side of rd 25N04, ca. 0.5 mi e of its jct with 52513, ca. 1 mi ne of Jones Meadow, ca. 6 mi ne of Stirling City
1889
Comment
CAS-BOT-BC206917
Euonymus occidentalis
V. Oswald; L. Ahart
1988-6-17
3399
Butte
West side of Pinkard Creek ca. 1 mi. N of Lost Creek Reservoir.
1028
Comment
CHSC34808
Euphorbia crenulata
M. S. Taylor
1980-5-8
2615
Butte
Ca. 3 mi n of Forest Ranch, ca. 1 mi e of Hwy 32.
853
Comment
CAS-BOT-BC202423
Euphorbia ocellata
A. A. Heller
1939-9-18
15481
Butte
Neal Road to Paradise 1 mile above the Oroville road junction
Comment
CHSC26766
Euphorbia peplus
P. Moyer
1972-3-4
107
Butte
CSUC Campus. Next of Chicano Center, 2nd and Ivy.
60
Comment
UC1594705
Euphorbia serpillifolia subsp. serpillifolia
Lowell Ahart
1992-7-21
6794
Butte
on the south side of Coon Hollow, about 2 (air) miles north-east of Philbrook Reservoir
Comment
JEPS95142
Euphorbia spathulata
Lowell Ahart
1997-3-25
7714
Butte
about 12 air mi se of Oroville (about 2 1/4 mi n and 2 1/2 mi e of Honcut, w of the ditch for the Old Honcut Flume, w of North Hocut Creek)
60
Comment
CHSC65324
Eurybia integrifolia
Lowell Ahart
1995-10-3
7670
Butte
East of the dirt road, west of a small branch of Willow Creek, about 1/2 mile west of Humbug Summit.
1981
Comment
CAS-BOT-BC312196
Eurybia radulina
Mary E. Wall
1940-7-18
s.n.
Butte
Pardise
Comment
CDA42949
Euthamia occidentalis
L. Ahart
2012-10-28
18531
Butte
On the north side of Big Chico Creek, south of Table 34, west of Cedar Grove, Lower Bidwell Park, Chico.
Comment
CHSC42756
Euthamia occidentalis
Lowell Ahart
1987-8-3
5844
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC46920
Euthamia occidentalis
Lowell Ahart
1977-9-20
1570
Butte
Along North Honcut Creek, Peter Ahart Ranch, about 1 1/4 miles north and 3 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
CHSC94615
Euthamia occidentalis
Lowell Ahart
2006-9-11
13275
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville.
431
Comment
CDA35053
Festuca arundinacea
L. P. Janeway, B. Castro
2009-7-4
9840
Butte
Northern High Sierra Nevada; Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin.
Comment
JEPS119859
Festuca arundinacea
Lowell Ahart, Susan Bazell, Josephine Guardino
2012-5-31
18117
Butte
On the north side of the paved park road (Peterson Drive) about 300 yards west of the gate, Lower Bidwell Park, Chico.
Comment
CAS-BOT-BC278798
Festuca occidentalis
Lowell Ahart
1984-6-10
4704
Butte
Along the road about 2 miles south-west of the Forbestown Diversion Dam, north-east of Forbestown
700
Comment
CAS-BOT-BC278800
Festuca occidentalis
Lowell Ahart
1983-6-26
4165
Butte
Along bare edges of Bean Creek Road, ca. 0.5 mi. S of Little Bald Rock, ca. 20 mi. NE of Oroville
1000
Comment
CHSC82473
Festuca occidentalis
Lowell Ahart; John Dittes, Josephine Guardino
2002-6-21
9744
Butte
On the north side of a poor dirt road, Watson Ridge, about 2 miles (air) northeast of Bald Rock Dome, about 5 miles (air) north of Feather Falls (the town).
Comment
CAS-BOT-BC278627
Festuca subulata
Lowell Ahart
1983-6-26
4107
Butte
Along Ponderosa Way, ca. 1/8 mi. E of the intersection of the Oroville Quincy Highway and Ponderosa Way, ca. 15 mi. NE of Oreoville [Oroville]
500
Comment
CHSC62580
Frangula rubra
B. Castro
1993-7-7
471
Butte
Ca 2.5 mi SSW of Big Bar Mtn, on gentle SE-facing slope on the N side of USFSRd 22N84, at uphill edges of serpentine outcrop among grasses.
960
Comment
CAS-BOT-BC223384
Fraxinus dipetala
Barbara T. Menzies
1978-4-17
s.n.
Butte
Nimshaw Road w. of De Sabla
Comment
UC215516
Fraxinus dipetala
Helen M. Edwards
Jun 1917
Butte
De Sabla
Comment
CHSC109662
Fraxinus profunda
Lowell Ahart; Susan Bazell, Josephine Guardino, Wes Dempsey
2012-7-5
18273
Butte
Path in Cedar Grove, west of parking area. Lower Bidwell Park, Chico.
71
Comment
HSC66271
Fremontodendron californicum
M. S. Taylor, J. D. Jokerst
1980-5-15
2638
Butte
1/4 mi. E of Cohasset Rd. on Cohasset Ridge, 9 mi. NE of Chico
396
Comment
CHSC23536
Fritillaria
M. S. Taylor
1975-3-3
401
Butte
Along Richardson Springs creek, ca. 1 mi n of the Hotel, ca. 8 mi n of Chico.
121
Comment
JEPS119568
Fritillaria affinis
Lowell Ahart
2012-2-22
17747
Butte
On the east bank of South Rim Trail, about 1/4 mile southwest of the pond, about 5/8 mile west of Highway 32, about 8 3/4 miles (air) northeast of Chico.
Comment
CAS-BOT-BC130313
Fritillaria eastwoodiae
L. C. Hanson
1987-4-27
s.n.
Butte
De Sabla Reservoir, near Magalia
Comment
HSC72756
Fritillaria eastwoodiae
M. S. Taylor, D. V. Hemphill
1981-3-18
3430
Butte
Ridge NNW of sawmill Peak of Jordan Hill Rd., 1.0 mi. NE of Magalia
701
Comment
CAS-BOT-BC130430
Fritillaria pluriflora
Frances Brown
1935-3-1
s.n.
Butte
Near Durham
Comment
CHSC92557
Fritillaria recurva
L. P. Janeway
2005-4-25
8366
Butte
Northern High Sierra Nevada. Plumas National Forest; ridgetop northern end of Rocky Ridge; just above Rim Road (Ponderosa Way) 200 m east-southeast of junction with Concow Road; head of upper side drainage of Flea Valley Creek.
988
Comment
CAS-BOT-BC508152
Fritillaria recurva
A. A. Heller
1939-4-26
s.n.
Butte
Near the Diamond Match plant at Stirling City
1066
Comment
SEINET10469524
Fritillaria recurva
Mary Susan Taylor
1981-4-8
Taylor 3506
Butte
T22N R4E north center border sec 12, Pulga SW quad. Serpentine ridge n of logging landing site just w of power lines, 1/2 mi w of Ponderosa Way/Rim Rd, ca. 5 mi n of Jarbo Gap on Hwy 70; n of Oroville. 2900 ft.
884
Comment
CDA30237
Fumaria officinalis
ELena Alfieri
2008-5-19
Butte
Sacramento Valley; Lower Bidwell Park, Chico, within the Arroyo Chico Land Grant. Located on a shaded, southeast-facing slope overlooking the Big Chico Creek picnic area, and adjacent to Wildwood road (just before it dead ends); north side of Lindo Channel near its beginning at Big Chico Creek.
Comment
CHSC4194
Galium aparine
Ann Dolder
1967-4-24
Butte
Ca. 50 yards from road of Bare Hole, Bidwell Park, Chico.
76
Comment
CHSC109850
Galium bolanderi
L. P. Janeway
2012-6-23
10886
Butte
Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way.
895
Comment
CHSC29792
Galium bolanderi
M. S. Taylor; J. D. Jokerst, R. Schlising
1980-6-14
2876
Butte
Little Bald Rock, on granite dome, ca. 4 mi E of Lake Madrone.
1016
Comment
CHSC34219
Galium bolanderi
M. S. Taylor
1981-5-29
3815
Butte
Chino Ridge, ca. 0.5 mi N of 22N31, ca. 3 air mi SE of Pulga.
853
Comment
CHSC48881
Galium bolanderi
Vernon Oswald
1984-6-19
1305
Butte
Hwy 32, 6.3 mi N of Forest Ranch.
Comment
JEPS26676
Galium bolanderi
P. C. Hutchison
1969-6-9
2099
Butte
on hwy US Alt. 40 1 mi s (above) Pulga Bridge; canyon of the north fork of the Feather River
Comment
JEPS52659
Galium bolanderi
Lauramay T. Dempster
1964-7-24
4047
Butte
Nimshew
731
Comment
SEINET10836823
Galium bolanderi
Mary Susan Taylor
1981-5-29
Taylor 3815
Butte
T22N R5E ne sec 22, Pulga SW quad. Chino Ridge, ca. 0.5 mi N of 22N31, ca. 3 air mi SE of Pulga. Along trail up ridge; filtered to open light.
Comment
CAS-BOT-BC124079
Galium grayanum var. grayanum
Amos Arthur Heller
1914-8-7
11668
Butte
Summit east of Jonesville
2133
Comment
CDA6670
Galium mollugo
Sterling O. Mattoon
1962-5-2
Butte
Jesse Ranch, Nord Avenue at Bell Road, Chico.
0
Comment
JEPS117237
Galium murale
Lowell Ahart
2010-5-28
16748
Butte
Cedar Grove Parking Area in Lower Bidwell Park, Chico
67
Comment
JEPS98587
Galium parisiense
Lowell Ahart
2000-6-27
8524
Butte
Seepy area, north part of Big Bald Rock, area is about 100 yards south and west of the north and east forest line, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville.
963
Comment
CHSC101187
Galium porrigens
L. P. Janeway; B. Castro
2009-4-18
9725
Butte
Northern High Sierra Nevada. 'Hollywood Serpentine,' an isolated block of serpentine between the east end of Hollywood Drive, Magalia, and the upper end of Magalia Reservoir; west side of Little Butte Creek.
747
Comment
CHSC35118
Galium porrigens var. tenue
S. Posner
1972-10-12
Butte
Bidwell Park, across from golf couse, near firing range, Chico.
Comment
UC1523187
Galium porrigens var. tenue
M. S. Taylor and D. Hemphill
1981-3-18
3426
Butte
s bridge crossing West Branch Feather River (ca 50 ft w of river, ca 1 mi ne of Magalia); Paradise SE Quad
487
Comment
CHSC25343
Galium tricornutum
Marc P. Hayes
1977-4-24
20
Butte
Adjacent Hwy 99 ca. 2.3 km S of Butte Creek.
60
Comment
JEPS98713
Galium tricornutum
Lowell Ahart
2000-5-13
8353
Butte
5 air miles SW of Oroville (margin of Thermalito Afterbay, W side of access road to the boat ramp, W of Larkin Road, 1 1/4 mi S of Oroville airport)
42
Comment
UC1523190
Galium trifidum
M. S. Taylor and Lowell Ahart
1981-8-15
4187
Butte
ca. 14 mi ne Stirling City (e side of Humbug Rd, meadow on n side of lake); Jonesville SW Quad, Snag Lake, Montane Meadow
1737
Comment
CHSC64218
Galium trifidum var. pacificum
S. C. Morey
1983-7-24
622
Butte
Cherry Hill Meadow. On N side of Humboldt Rd., ca. 3.2 mi E of Butte Meadows.
1414
Comment
CHSC46460
Galium trifidum var. pusillum
V. Oswald; L. Ahart
1989-6-27
3825
Butte
Humbug Rd at Butte Creek House, ca. 3.3 mi (air) SE of Jonesville.
1767
Comment
SEINET10836841
Galium triflorum
Mary Susan Taylor
1979-10-5
Taylor 2237
Butte
T23N R4E sec 18. SE side of Paradise Lake (from picnic area to first creek coming into lake, along road), ca. 0.5 mi N of Coutolenc Rd, ca. 5 mi N of Magalia.
732
Comment
UC1948358
Gamochaeta argyrinea
John L. Strother with Richard L. Moe
2012-5-17
1373
Butte
ca. 8 km southwest of Oroville, east side of Thermalito Afterbay at Larkin Road boatlaunch ramp
Comment
CAS-BOT-BC303382
Gamochaeta ustulata
Lowell Ahart
1983-6-26
4152
Butte
Along the edge of Ponderosa Way, about 1.5 miles SE of the E Fork of Canyon Creek, about 14.5 miles NE of Oroville
575
Comment
CHSC65635
Garrya fremontii
Deborah Simmons
1995-2-21
1
Butte
On trail on the s side of Hwy 32 ca. 11.5 mi e of Chico on Hwy 32.
487
Comment
CAS-BOT-BC282603
Gastridium phleoides
A. A. Heller
1902-5-15
5555
Butte
Near Biggs
Comment
CHSC82418
Gastridium phleoides
Lowell Ahart
2002-5-7
9639
Butte
High banks of a pond, at the beginning of a southeast branch of Schirmer Ravine, about 50 yards east of the pond on the east side of Cherokee Road, North Table Mountain, about 4 miles (air) north of Oroville.
228
Comment
POM207447
Gastridium phleoides
A. A. Heller
1902-5-15
1158
Butte
Near Biggs.
Comment
UCD66560
Gastridium phleoides
A. A. Beetle
1941-6-27
2744
Butte
2 miles north of Lone Pine Forest Guard Station, rte. 32.
Comment
UCD80552
Gastridium phleoides
CNPS SN Foothill Team
2005-5-3
SNFN 0198 b
Butte
City of Chico, Doe Mill Meadowfoam Preserve, Ca. 200 m at 240 degrees from the preserve gate, and ca. 75 m from the east fence.
85
Comment
CDA13283
Gayophytum diffusum subsp. parviflorum
G. F. Hrusa, T. D. Wilfred
1996-7-9
13131
Butte
Plumas National Forest; E side above Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp.
Comment
UC1594730
Gayophytum heterozygum
Lowell Ahart
1992-7-26
6851
Butte
about 1/2 mi n Carr Mine (about 2 air mi s of Snow Mt., e of a small stream)
1767
Comment
UC600542
Gayophytum heterozygum
H. F. Copeland
1931-6-11
Butte
betw. Scotchjohn Creek and Willow Creek; Jonesville, Butte Creek Canyon
Comment
CHSC44216
Gayophytum humile
V. Oswald; L. Ahart
1988-7-13
3571
Butte
Road to High Lakes e of Philbrook Reservoir. On the n side of the road.
1859
Comment
CHSC46708
Gayophytum humile
V. Oswald; L. Ahart
1989-8-22
3955
Butte
Butte Creek House Meadow on the e side of Humbug Rd, ca. 3.5 mi (air) se of Jonesville. Along the creek.
1767
Comment
CHSC60998
Gayophytum humile
Lowell Ahart
1993-6-26
7033
Butte
Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west of the Lost Creek Reservoir Dam.
1158
Comment
POM220088A
Gayophytum humile
H. F. Copeland
1927-9-4
448
Butte
Jonesville.
1524
Comment
JEPS121941
Gayophytum racemosum
Lowell Ahart
2014-7-7
19602
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
CHSC103656
Genista monspessulana
Lowell Ahart
2010-4-9
16577
Butte
Along the northwest side of North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles southeast of Oroville.
38
Comment
UCD105746
Genista monspessulana
Michael A. Vincent; Ethan H. Freid
1998-4-6
8109
Butte
Table Mountain. Along Cherokee Rd. about 2 miles above Oregon Gulch Rd.
Comment
RSA0028178
Geranium carolinianum
L. Ahart
2009-4-26
15649
Butte
Upper Bidwell Park: on N side of Ten Mile House Road, about 100 yards W of the intersection of Hwy 32 and Ten Mile House Road, about 10 miles NE of Chico.
462
Comment
JEPS122280
Geranium dissectum
Lowell Ahart
2014-4-9
19341
Butte
West end of Liberty Road, about one mile (air) south of Colusa Highway, about 7 miles (air) southwest of Gridley.
Comment
CHSC30866
Geranium molle
J. D. Jokerst
1979-3-23
1158
Butte
Common in the shaded portions of drainage ravines leading off the W edge of Mt. Top of North Table Mt., W edge of mt, immediately N of the waterfalls of the S fork of Coal Cr.
365
Comment
CHSC42790
Geum macrophyllum
L. P. Janeway
1987-6-26
2318
Butte
SW end of Logue Meadows.
1325
Comment
CHSC43048
Geum macrophyllum
L. P. Janeway
1987-6-19
2234
Butte
Along Sly Creek near the road to the SE side of Sly Cr Reservoir 2.1 mi from the Challenge-LaPorte Rd. Near edge of creek.
1097
Comment
HSC23409
Gilia tricolor
Marsha Caunt
1971-3-20
1
Butte
.5 mi. NE of Diversion Dam on N cliff overlooking Big Chico Creek, Salmon Hole
76
Comment
CHSC21741
Githopsis pulchella
Robert A. Schlising
1964-6-11
2723
Butte
Few miles south of Paradise along Honeyrun Road.
Comment
SEINET10873414
Githopsis pulchella subsp. campestris
A. Arthur Heller, H. E. Brown
1902-5-14
Heller 5548
Butte
Berry Canyon, near Clear Creek
Comment
CHSC62542
Githopsis specularioides
L. P. Janeway
1993-5-2
4336
Butte
Serpentine rocky outcrop narrow ridge, south of Serpentine Point and above Hwy 70.
518
Comment
CHSC97346
Githopsis specularioides
R. Fischer
2006-4-30
993
Butte
Chico. Sierra Nevada foothills, adjacent Hwy. 32, below Forest Ranch in the Big Chico Creek Ecological Reserve off Lookout Trail.
518
Comment
SEINET10464588
Githopsis specularioides
Mary Susan Taylor, James D. Jokerst
1980-4-18
Taylor 2526
Butte
On east side of Humbug road, about 3 miles southwest of Nimshew
518
Comment
CDA3379
Glinus lotoides
L. Ahart
2002-10-17
9982
Butte
About 1 1/2 miles south of Highway 162 (Oroville Quincy Highway), about 3 miles (air) northeast of Oroville Dam. On the gentle hills below the high water line of Lake Oroville.
Comment
CAS-BOT-BC282821
Glyceria X occidentalis
L. P. Janeway
1991-6-7
3990
Butte
Ca 0.8 mi. east of Palermo-Honcut Road ca. 5.1 mi. south of Palermo
38
Comment
CAS-BOT-BC280566
Glyceria elata
Lowell Ahart
1985-6-30
5079
Butte
East of the dirt road (near road) to the Forbestown Res., about 2 1/2 miles north-east of Forbestown
868
Comment
POM308583
Gnaphalium beneolens
Henry J. Ramsey, Henry J. Ramsey
1939-10-15
3234
Butte
Feather River Hwy.
Comment
SEINET10839251
Gnaphalium chilense
Mary Susan Taylor
1981-1-5
Taylor 3372
Butte
T21N R4E sw sec 6. Cherokee quad. Ca. 100 ft e of Pentz-Magalia Hwy, ca. 1 mi s of Kunkle Reservoir, ca. 3 mi s of Paradise. Foothill Woodland and Savannah; 1350 ft.
411
Comment
SEINET10475071
Gnaphalium luteoalbum
Mary Susan Taylor, D. Hemphill
1981-3-18
Taylor 3425
Butte
T23N R4E north center third sec 30 Paradise SE quad; from bridge crossing West ranch Feather River, ca. 1/4-1/2 mi e and s along Ponderosa Way (Jordan Hill Rd), e of Magalia; 1600-1900 ft.
488
Comment
CAS-BOT-BC302469
Gnaphalium palustre
A. A. Heller
1917-7-28
12827
Butte
Butte Meadows
1280
Comment
CHSC94670
Gnaphalium palustre
Lowell Ahart
2006-10-8
13425
Butte
Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House.
609
Comment
POM252679
Goodyera oblongifolia
E. B. Copeland
1938-9-13
s.n.
Butte
Jonesville.
Comment
CHSC115210
Gratiola ebracteata
Lowell Ahart
2015-5-5
20140
Butte
Bottom of a large vernal pool, about 30 yards north of Larkin Road, about 400 yards south of Larkin Road Boat Launch Area, near the Thermalito Afterbay, about one mile south west of the Oroville Airport, about 6 miles (air) south west of Oroville.
42
Comment
UC480670
Hackelia californica
H. F. Copeland
1930-7-20
1313
Butte
Jonesville
1524
Comment
CAS-BOT-BC282856
Hainardia cylindrica
Lowell Ahart
1980-6-15
2382
Butte
Peter Ahart Ranch, Honcut
50
Comment
CDA2097
Hainardia cylindrica
L. Ahart
2000-5-17
8364
Butte
About 1/10 mile north of the Richvale Highway, about 1/2 mile east of Highway 99, about 7 1/2 miles (air) west of Oroville. On the south margin of Thermalito Afterbay, on the north side of the poor dirt road.
Comment
UC119829
Hastingsia alba
Mrs. R. M. Austin
July 1896
799
Butte
Colby
Comment
CHSC28541
Hazardia whitneyi
M. S. Taylor; J. D. Jokerst
1979-10-13
2269
Butte
Jordan Hill Rd, near Sawmill Peak, ca. 9.2 mi n of its jct with Concow Rd, ca. 2 mi e of Magalia.
944
Comment
CHSC35665
Hedypnois cretica
R. E. Preston
1982-4-22
253
Butte
Ca. 1/2 mi ne of Line Saddle Powerhouse, ca. 4.5 mi se of Paradise.
304
Comment
JEPS117210
Hedypnois rhagadioloides
Lowell Ahart
2010-5-16
16680
Butte
About 1/4 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville
378
Comment
CHSC96913
Helenium puberulum
Lowell Ahart
2006-7-27
14399
Butte
On the south strand of the Thermalito Afterbay, about 200 yards north of Highway 162, about 5 miles west of the intersection of Highway 162 and Highway 70, about 5 1/2 miles (air) west of Oroville.
36
Comment
UC217228
Helianthella californica subsp. nevadensis
H. M. Hall
1917-5-13
10300
Butte
Honeymoon Grade
396
Comment
CHSC95076
Helianthella californica var. nevadensis
L. P. Janeway
2006-6-25
8700
Butte
Northern High Sierra Nevada. Along a major dirt road 2.6 km south of Stirling City towards West Branch Feather River crossing.
1006
Comment
CHSC76120
Helianthus bolanderi
G. F. Hrusa
1997-8-5
14064
Butte
Sierra Nevada. Grown in Woodland. Magalia. Immed. N of Magalia Reservoir in N hillside above Little Butte Creek. Accessed off Holmwood Rd.
Comment
JEPS34876
Helianthus bolanderi
H. A. Dutton
1921-1-1
Butte
Hooker Oak Chico, Hooker Oak
Comment
CHSC100479
Heliotropium europaeum
Lowell Ahart; John Dittes, Josephine Guardino
2008-11-8
15442
Butte
On the bottom of Lindo Channel, about 100 yards west of the diversion structure, north of Hooker Oak, Upper Bidwell Park, Chico.
68
Comment
JEPS115261
Heliotropium europaeum
Lowell Ahart, John Dittes, Josephine Guardino
2008-11-8
15442
Butte
On the bottom of Lindo Channel, about 100 yards west of the diversion structure, north of Hooker Oak, Upper Bidwell Park, Chico
68
Comment
CHSC45698
Helminthotheca echioides
Vernon Oswald
1983-6-28
783
Butte
Graylodge Waterfowl Management Area near Parking Lot 16. Along the edge of ponds in the refuge.
Comment
SEINET10475610
Hemerocallis fulva
Mary Susan Taylor
1975-6-22
Taylor 782
Butte
California State University, Chico, campus.
61
Comment
CAS-BOT-BC314992
Hemizonella minima
M. S. Taylor
1981-5-13
3700
Butte
On ridge above Foreman Creek, ca. 0.5 mi. W of 23N15 ca. 1.5 mi. S of its jct. with Four Trees Road, ca. 2 air mi. W of Elks Retreat on Oroville-Quincy Hwy.
1310
Comment
UCD34287
Hemizonia congesta subsp. luzulifolia
Beecher Crampton
1978-8-21
9661
Butte
ca. 10 miles S.E. of Chico, 1/2 mile south of the jct. of Pentz road and Hwy.99.
Comment
CAS-BOT-BC388569
Herniaria hirsuta
L. P. Janeway
1993-6-3
4367
Butte
Plumas National Forest, Oroville Ranger District. South end of Swayne Hill, along the road to Big Bar Mtn (23N28)
731
Comment
CHSC50661
Herniaria hirsuta subsp. hirsuta
Lowell Ahart
1990-6-16
6507
Butte
Along the edge of the dirt road, just south of the Forbestown Generator, on the south side of the Forbestown Reservoir.
487
Comment
JEPS114968
Herniaria hirsuta subsp. hirsuta
Lowell Ahart
2008-5-21
14772
Butte
Dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, about 100 yards west of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the P
246
Comment
CAS-BOT-BC310155
Hesperevax caulescens
Mrs. C. C. Bruce
1897-5-1
2112
Butte
Fields near Chico
Comment
JEPS104338
Hesperevax caulescens
Lowell Ahart
2003-5-14
10175
Butte
About 150 yd w of the dredge piles along North Honcut Creek, ca 2 1/2 mi n and 2 1/2 mi e of Honcut, ca 12 mi se of Oroville.
60
Comment
JEPS33802
Hesperevax caulescens
W. L. Jepson
1932-5-9
16368
Butte
6 mi n Nord (e of Cana (a small station on the S.P. Railroad))
45
Comment
UC1185274
Hesperevax caulescens
H. E. Brown
May 1 1897-May 15 1897
209
Butte
near Clear Creek
Comment
UC134866
Hesperevax caulescens
Mrs. R. M. Austin
1896-5-1
685
Butte
Comment
CDA36314
Heteranthera limosa
CDFA Staff
1988-1
Butte
Biggs; Rice Experimental Station.
0
Comment
UCD139992
Heteranthera limosa
T. C. Fuller
1969-8-19
18817
Butte
Dodge Land, south side of Nelson West Road just east of Chico-Butte City Road.
Comment
CHSC29835
Heterocodon rariflorum
M. S. Taylor; R. S. Schlising, L. Ahart
1980-5-31
2770
Butte
E side of Kunkle Reservoir, ca. 1/4 mi e of Pentz-Magalia Hwy, ca. 3 mi s of Paradise.
441
Comment
CHSC48012
Heterocodon rariflorum
Vernon Oswald
1987-6-23
3022
Butte
High Lakes Rd. 5.5 mi (odometer) n of Philbrook Rd.
1853
Comment
JEPS98368
Heterocodon rariflorum
Lowell Ahart
2000-6-27
8527
Butte
12 air miles NE of Oroville (N part of Big Bald Rock, 100 yds S and W of the N and E forest line, 3 air miles E of Madrone Lake)
963
Comment
SEINET10460745
Heterocodon rariflorum
Mary Susan Taylor
1980-4-27
Taylor 2548
Butte
T23N R3E ne sec 27. Paradise quad. Ca. 1 mi S of Nimshew, ca. 1/4 mi E of Nimshew Rd; Yellow Pine Forest. With J.D. Jokerst.
610
Comment
SEINET12331810
Heterocodon rariflorum
L. Ahart, Ahart, P.
1984-1
4727
Butte
About 1.5 mi SE of Bald Mountain, 0.75 mi W of Oak Point, about 4 mi NE
1500
Comment
SD8501
Heteromeles arbutifolia
R. M. Austin
1883-1
Butte
Comment
CHSC84717
Hieracium albiflorum
L. P. Janeway; John Hunt, Adam Henderson
2003-6-3
7802
Butte
Northern High Sierra Nevada. Southeast side of Middle Fork Feather River arm of Lake Oroville, 1.6 km southwest of mouth of Bean Creek.
287
Comment
CHSC51353
Hieracium scouleri var. scouleri
Vernon Oswald
1990-7-10
4358
Butte
Feather Falls Trail between California Nutmeg Spring and Fall River, ca. 4 mi north of the town of Feather Falls.
603
Comment
CHSC102832
Hirschfeldia incana
Lowell Ahart
2009-6-19
15939
Butte
Along trail, on the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
203
Comment
CAS-BOT-BC55333
Hirschfeldia incana
Lowell Ahart
1985-7-24
5157
Butte
At the Generator, at the Forbestown Reservation, about 4.5 miles northeast of Forbestown.
350
Comment
JEPS118310
Hoita macrostachya
Lowell Ahart
2011-8-17
17631
Butte
Near drainage below dam, about 100 yards west of the table at the old homestead and southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 miles (air) southwest of the inteaction of Highwy 32 and Ten Mile House Road, about 10 miles northeast of Chico
239
Comment
JEPS114985
Hoita orbicularis
Lowell Ahart
2008-6-13
14828
Butte
On wet soil, bottom of Oregon Gulch, bottom of an old gold mined area, about 400 yards southwest of the cemetery, about 10 miles (air) northeast of Oroville
305
Comment
CDA42902
Holcus lanatus
L. Ahart
2012-6-14
18193
Butte
Dry high bank on the north side of Big Chico Creek, about 30 yards east of Mangrove Avenue, Annie's Glen, Lower Bidwell Park, Chico. Uncommon. Riparian Woodland.
Comment
CHSC25466
Holodiscus microphyllus var. glabrescens
Hayes; Warner
1977-9-11
88
Butte
Near the top of Humboldt Peak, on the Butte-Tehama County line.
2151
Comment
CAS-BOT-BC311882
Holozonia filipes
A. A. Heller
1914-7-13
11565
Butte
Mt. Ida Ranch, 10 miles east of Oroville
Comment
CAS-BOT-BC285086
Hordeum marinum subsp. gussoneanum
Lowell Ahart
1977-6-2
s.n.
Butte
Peter Ahart Ranch, Honcut
50
Comment
CAS-BOT-BC285090
Hordeum marinum subsp. gussoneanum
Lowell Ahart
1982-4-29
3397
Butte
Ca. 0.75 mi. W of the sign-in station, Gray Lodge, ca. 12 mi. SW of Gridley
35
Comment
CHSC100994
Hordeum murinum subsp. glaucum
L. P. Janeway
2008-4-2
9248
Butte
Cascade Range Foothills. East edge of City of Chico; slope on north side of Humboldt Road 2.9 km northeast of Bruce Road.
167
Comment
CHSC11098
Hordeum murinum subsp. glaucum
Lowell Ahart
1968-5-8
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC4305
Hordeum murinum subsp. leporinum
J. Potter
1966-4-26
Butte
Field corner Arcadian and W. Mansion Ave., Chico.
Comment
CHSC56634
Hordeum murinum subsp. leporinum
T. B. Devine
1980-3-10
607
Butte
Chico Sewage Treatment Plant.
Comment
CAS-BOT-BC536584
Horkelia californica var. elata
Lowell Ahart
1980-7-29
2505
Butte
Sierra Nevada, near Forbestown Road
750
Comment
CHSC45196
Horkelia fusca subsp. parviflora
Lowell Ahart
1984-7-19
4753
Butte
Near the edges of a meadow, near the dirt road, about 1 1/2 miles south-east of Bald Mountain, 1/4 mile east of Oak Point, about 5 air miles north-east of Stirling City.
1371
Comment
CAS-BOT-BC532317
Horkelia fusca var. parviflora
Lowell Ahart
1984-7-19
2753
Butte
About 1 1/2 miles South-east of Bald Mountain; 1/4 mile east of Oak Point, about 5 miles north-east of Stirling City.
1500
Comment
CAS-BOT-BC143979
Horkelia fusca var. tenella
H. F. Copeland
1928-8-20
458
Butte
Jonesville
1524
Comment
CAS-BOT-BC143358
Horkelia tridentata
Lowell Ahart
1982-5-8
3413
Butte
About 1/2 mile south-west of the Forbestown Res., about 4 1/2 miles north-east of Forbestown
800
Comment
UCD113566
Horkelia tridentata
M. S. Taylor
1980-5-27
2711
Butte
Yellow Pine Forest in openings on edge of Little Bald Rock near creek, ca. 3 mi S of Brush Creek.
1016
Comment
SD2233
Horkelia tridentata var. tridentata
E. B. Copeland
1929-7-23
370
Butte
Jonesville
1550
Comment
CHSC881
Hosackia oblongifolia
1954-5-30
Butte
Rag Dump 5 above Paradise.
1127
Comment
UC880782
Hydrophyllum occidentale
A. A. Heller
1915-6-26
12030
Butte
above Jonesville; Summit of the Sierra Nevada
2133
Comment
CAS-BOT-BC400828
Hypericum anagalloides
A. A. Heller
1916-9-8
12652
Butte
Ten mile house east of Chico
Comment
CHSC5954
Hypericum calycinum
M. MacArthur
1968-6-17
183
Butte
Chico State College Campus, SE wall of Life Science bld.
60
Comment
CHSC109563
Hypericum concinnum
L. P. Janeway
2012-6-23
10885
Butte
Northern High Sierra Nevada. Southwest spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23Np6E 0.8 road km southeast of Rim Road/Ponderosa Way.
895
Comment
CAS-BOT-BC401196
Hypericum mutilum
Lowell Ahart
1987-9-4
5882
Butte
On the bottom of North Honcut Creek, about 2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville
67
Comment
JEPS124322
Hypericum mutilum subsp. mutilum
Lowell Ahart
2015-10-20
20573
Butte
About half way of and east of One Mile Pond, about 6 miles (air) east of Biggs.
Comment
CHSC39498
Hypericum perforatum
Lowell Ahart
1983-6-21
4072
Butte
Found growing on dry red rocky soil along Bloomer Hill Road, about 3/4 mile west of the Oroville-Quincy Highway, about 15 miles north-east of Oroville. Section 6.
425
Comment
UC204399
Hypericum perforatum
A. A. Heller
1914-7-13
11570
Butte
hills ca. 5 mi. e. Oroville (also between Red Bluff & Redding, and in Sacramento canyon some miles below Delta <in> Shasta Co.)
Comment
CHSC21168
Hypochaeris glabra
M. S. Taylor
1975-5-3
216
Butte
Ca. 500 yds e of Hwy 70, ca. 15 mi n of Oroville.
Comment
CHSC44160
Ipomopsis aggregata subsp. formosissima
V. Oswald; L. Ahart
1988-7-29
3654
Butte
Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn.
2097
Comment
CAS-BOT-BC133513
Iris
Lowell Ahart
1980-5-29
2360
Butte
2 1/2 mi. north-east of Mountain House, about 50 m. E of the Oroville Quincy Highway
1100
Comment
RSA565165
Iris hartwegii
R. J. Shaw
1993-5-23
5092
Butte
ca. 15 miles east of Chico at junction of Highway 32 and Sugar Pine Place
1000
Comment
CHSC49637
Iris hartwegii subsp. hartwegii
Vernon Oswald
1984-5-28
1213
Butte
Cohasset Rd., 0.3 mi n of the end of the pavement.
1005
Comment
CHSC40324
Iris macrosiphon
Lowell Ahart
1985-3-22
4848
Butte
Found about 1/2 mile northeast of the West Branch Bridge across Lake Oroville, 1/4 mile east of Highway 70, north of Oroville.
450
Comment
SEINET3876030
Iris macrosiphon
D. W. McNeal, Todd McIntyre
1989-4-18
3369
Butte
Shady oak woodland on the margin of a barren serpentine outcrop above Lunt Rd., 0.4 mi. North of Highway #70.; 0
Comment
CHSC115682
Iris tenuissima subsp. tenuissima
Emily Meigs Doe
2015-4-23
24
Butte
Northern HighSierra Nevada. Plumas National Forest. About 2.7 miles west-northwest of Forbestown. Near Road 19N19, approx. 0.25 miles north of its intersection with Ponderosa Way.
731
Comment
JEPS127565
Iris tenuissima subsp. tenuissima
Emily Meigs Doe
2015-4-23
24
Butte
Northern High Sierra Nevada. Plumas National Forest. About 2.7 miles west-northwest of Forbestown. Near Road 19N19, approximated 0.25 miles north of its intersection with Ponderosa Way. Forbestown 7.5' Quad.
Comment
UC398879
Isoetes bolanderi
E. B. Copeland
1929-7-29
329
Butte
above Jonesville
1750
Comment
UC111604
Isoetes howellii
Dr. E. B. Copeland
1903-5-30
3281
Butte
Chico
Comment
SEINET10530332
Isoetes nuttallii
Mary Susan Taylor
1980-3-28
Taylor 2404
Butte
T22N R2E north center border sec 30. Vernal pool area in Valley Grassland, just E of Chico, between Humboldt Rd, cand Hwy 32, ca. 1/4 mi E of Forest Ave., ca. 1.5 mi E of Hwy 99; area soon to be developed. With J.D. Jokerst.
76
Comment
JEPS106164
Isoetes orcuttii
Lowell Ahart
2004-4-4
10726
Butte
Bottom of a vernal pool, about 1/4 mile east of Wilber Road, east of the high hill crossed by Wilber Road, cattle pasture, about 3 miles (air) west of Thermalito
48
Comment
CHSC99001
Isolepis setacea
Lowell Ahart
2008-5-30
14796
Butte
Dry to damp granite soil, small meadow, bottom of an old gold mined area, about 150 yeards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville.
305
Comment
CHSC108964
Jasminum mesnyi
Lowell Ahart; Linnea Hanson, Susan Bazell, Josephine Guardino
2012-4-16
17867
Butte
Between the edge of the paved road and the back of a home, east of the Deer Pen, between Table 12 and 13, Lower Bidwell Park, Chico.
65
Comment
CAS-BOT-BC101961
Juglans hindsii
Eric Walther
1928-9-1
s.n.
Butte
U.S. Experiment Station, Chico
Comment
JEPS119902
Juglans hindsii
Lowell Ahart, Susan Bazell, Josephine Guardino
2012-5-31
18118
Butte
On the north bank of Big Chico Creek, on the south side of the paved park road (Peterson Drive) about 300 yards west of the gate, Lower Bidwell Park, Chico.
Comment
CAS-BOT-BC109890
Juncus
Lowell Ahart
1981-8-31
3058
Butte
Sierra Nevada. About 0.5 mile southwest of the intersection of Black Bart Road and Forbestown Road, west of Forbestown.
750
Comment
CHSC2214
Juncus articulatus
I. Boyd
1949-5-26
Butte
Bidwell Park.
60
Comment
CHSC45240
Juncus balticus
S. C. Morey
1983-7-28
629
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows.
1292
Comment
JEPS113848
Juncus balticus subsp. ater
Lowell Ahart
2007-7-8
14266
Butte
On the west side of North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville
53
Comment
CDA5727
Juncus bufonius var. bufonius
L. Ahart
2005-4-14
11719
Butte
About 200 feet east of the railroad tracks, north of Spruce Street, Gridley.
Comment
CHSC103697
Juncus bufonius var. bufonius
Lowell Ahart
2010-5-14
16665
Butte
Along a small drainage, near south park fence, Disc Golf Area, west of the entrance to the Disc Golf Area, about 120 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
350
Comment
CHSC31925
Juncus bufonius var. bufonius
J. D. Jokerst; B. Banchero, R. A. Schlising
1980-6-16
840
Butte
0.1 mi W of junction of Skyway and Humboldt Rd., N of and adjacent to the latter.
Comment
CHSC36969
Juncus bufonius var. bufonius
M. S. Taylor; L. Ahart, J. Jokerst
1982-4-28
4366
Butte
Graylodge Wildlife Refuge, s of parking lot 1, ca. 1/2 mi ne of Headquarters, ca. 12 mi sw of Gridley.
19
Comment
CHSC38117
Juncus bufonius var. bufonius
R. L. Ondricek-Fallscheer
1983-5-10
171
Butte
SW of driveway in front of house on plateau at sw end of Flatiron Ridge; ca. 3 1/2 mi wsw of Paradise.
182
Comment
CHSC94045
Juncus bufonius var. bufonius
R. D. Fischer
2005-9-1
709
Butte
Sierra Nevada foothills, adjacent Hwy. 32, at the lower Humboldt Trailhead at the edge of Bidwell Park. Plants were growing on a springy slope, part of the old, by-passed, roadbed.
396
Comment
CHSC96964
Juncus bufonius var. bufonius
Lowell Ahart
2007-6-12
14061
Butte
Along swales, west of a high ridge on Big Bald Rock, about 14 miles (air) northeast of Oroville.
972
Comment
JEPS98590
Juncus bufonius var. bufonius
Lowell Ahart
2000-6-29
8533
Butte
1/2 mi W of Flea Mountain; ; W side Concow Rd at Flea Meadow, 3 1/2 air mi N of Concow Reservoir, 5 air mi E of Magalia
1036
Comment
CHSC112909
Juncus capitatus
B. Castro; Robin Carter
2011-4-29
1871
Butte
Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, 0.37 mi S of jcn of Hwys 99 and 162W, ca 0.6 mi N of Hamilton Rd.
36
Comment
CHSC26805
Juncus capitatus
M. S. Taylor
1978-5-7
1601
Butte
Richvale vernal pools, ca. 20 mi s of Chico on w side of Hwy 99.
30
Comment
SEINET10472432
Juncus capitatus
Lowell Ahart
1985-5-10
Ahart 4957
Butte
East branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam.
Comment
SEINET10472434
Juncus capitatus
Mary Susan Taylor
1978-5-7
Taylor 1601
Butte
In and around Richvale vernal pool area, ca. 20 mi S of Chico, on W side of Hwy 99; Valley Grassland.
30
Comment
CHSC42377
Juncus covillei
Lowell Ahart
1987-5-27
5707
Butte
On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
JEPS118087
Juncus covillei
Lowell Ahart
2011-8-19
17640
Butte
On the north side ofa good forest road and in the west gutter of a secondary road, about 1/2 mile north of the Lost Creek Reservoir Dam, about 4-1/2 miles (air) north of Clipper Mills
1266
Comment
CHSC59024
Juncus covillei var. covillei
Lowell Ahart
1992-7-27
6863
Butte
Along Wildcat Creek, about 2 miles north-west of Four Trees, about 2 miles west of the Oroville-Quincy Highway, about 2 miles north-east of Coyote Gap.
1219
Comment
CHSC50382
Juncus diffusissimus
Vernon Oswald
1990-6-2
4280
Butte
Oroville Wildlife Area on the northwest side of the Feather River, just upstream from the outlet of Thermalito Afterbay.
33
Comment
JEPS124273
Juncus diffusissimus
Lowell Ahart
2015-11-18
20665
Butte
About 1 1/2 miles southeast of intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley.
Comment
SBBG128059
Juncus effusus subsp. effusus
L. Ahart
2011-8-19
17636
Butte
ca. 30 yards E of Know-nothing Crk, in low area on the N side of Lumpkin Ridge Rd, ca. 0.5 mi SW of the intersection of Lumpkin Ridge Rd, County Rd and rd to Cascade, ca. 5 mi NE of Feather Falls
1225
Comment
CHSC44911
Juncus ensifolius
Lowell Ahart
1988-7-31
6156
Butte
Along the road gutter, north of a small stream, 1 1/2 air miles west and a little south of Bald Mountain, about 3 air miles north-east of Stirling City.
1066
Comment
CHSC28654
Juncus exiguus
J. D. Jokerst; M. S. Taylor
1979-10-13
392
Butte
Adjacent to creek. Intersecton of Jordan Hill Rd. (Ponderosa Way) and Griffth Gulch.
701
Comment
JEPS122148
Juncus howellii
Lowell Ahart
2014-8-13
19705
Butte
About 110 yards east of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
HSC95782
Juncus howellii
L. Ahart
1997-7-11
7748
Butte
N of dirt rd. SE of Cold Creek, about 2 mi SW of Bald Mtn.
1220
Comment
CHSC116642
Juncus kelloggii
Lowell Ahart
2016-4-15
20750
Butte
On the west side of Swedes Flat Road, about 1/2 mile southwest of Dutch Ravine, about 8 miles (air) southeast of Oroville.
384
Comment
CAS-BOT-BC110145
Juncus leiospermus var. ahartii
Lowell Ahart
1974-6-5
s.n.
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC47565
Juncus leiospermus var. ahartii
Lowell Ahart
1978-4-18
1648
Butte
On the bottom of vernal pools, Peter Ahart Ranch, about 2 1/4 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
UC1438369
Juncus leiospermus var. ahartii
Lowell Ahart
1978-5-1
1692
Butte
Peter Ahart Ranch Honcut
50
Comment
RSA712863
Juncus leiospermus var. leiospermus
L. Ahart
2006-5-8
12602
Butte
About 2 3/4 miles west of the parking area, cow chute, and Cherokee Road. North Table Mountain, about 7 miles (air) north of oroville.
280
Comment
CAS-BOT-BC110771
Juncus mertensianus
V. Oswald; L. Ahart
1988-7-29
3652
Butte
Ca. 5 miles (air) southeast of Jonesville on the ridge running eastwards from the peak of Snow Mountain.
2097
Comment
CHSC102598
Juncus occidentalis
L. P. Janeway; B. Castro
2009-7-4
9842
Butte
Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin.
1469
Comment
CHSC71201
Juncus orthophyllus
Lowell Ahart
1998-6-30
8008
Butte
Center of a seep, west of the lone oak tree, west of the cow chute on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
CHSC44524
Juncus oxymeris
Lowell Ahart
1988-6-28
6083
Butte
Along North Honcut Creek, Joie Osgood Ranch, about 3/4 mile north and 2 1/2 miles east of Honcut.
39
Comment
JEPS121939
Juncus oxymeris
Lowell Ahart
2014-7-7
19595
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
CHSC105959
Juncus parryi
Lowell Ahart
2010-9-28
17258
Butte
About 10 yards west of Big Kimshew Creek, meadow, about 100 yards east of the poor dirt road, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir.
1886
Comment
CHSC49625
Juncus parryi
Vernon Oswald
1983-8-17
1004
Butte
Pacific Crest Trail ca. 1000 ft e of Humboldt Summit.
2011
Comment
CHSC80894
Juncus tenuis
Lowell Ahart
2001-7-6
8885
Butte
West of a large pond, large overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ord Bend, about 12 miles (air) southwest of Chico.
32
Comment
JEPS113842
Juncus tenuis
Lowell Ahart
2007-7-2
14244
Butte
On the east side of the restroom, at the parking area at Big Bald Rock, about 14 miles (air) northeast of Oroville
1001
Comment
RSA726660
Juncus tenuis
L. Ahart
2007-6-12
14081
Butte
Rockefeller Road, at the intersection of Bald Rock Road and Rockefeller Road, about 13 miles (air) northeast of Oroville.
1012
Comment
JEPS113765
Juncus usitatus
Lowell Ahart
2007-7-27
14397
Butte
On the south strand of Thermalito Afterbay, about 200 yards north of Highway 162, about 5 miles west of the intersection of Highway 162 and Highway 70, about 5 1/2 miles (air) west of Oroville
36
Comment
UC577653
Juniperus californica
A. E. Wieslander
1933-6-24
330
Butte
on Neal Road 8 mi se Chico
121
Comment
SEINET10547832
Keckiella breviflora subsp. glabrisepala
Mary Susan Taylor
1980-5-15
Taylor 2622
Butte
N of Chico along Cohasset Road.
Comment
CHSC29800
Keckiella breviflora var. glabrisepala
M. S. Taylor; J. Jokerst
1980-6-14
2883
Butte
On w side of Oroville-Quincy Hwy ca. 1 mi (2 mi by car) n of Bidwell Bar Bridge over the south fork of Feather River, ca. 7 mi s of Lake Madrone.
457
Comment
CHSC93992
Kelloggia galioides
R. D. Fischer
2004-6-20
762
Butte
Sierra Nevada Mountains, north-east corner of Butte County and ca. 2 miles north of Butte Meadows off Scout Road.
1356
Comment
UC392182
Kelloggia galioides
E. B. Copeland
1920-7-16
Butte
Jonesville
1550
Comment
RSA726557
Kickxia elatine
L. Ahart
2007-10-31
14519
Butte
Foreman Creek Area, about 1 mile south of Highway 162 (Oroville Quincy Road), about 7 miles (air) northeast of Oroville.
225
Comment
CDA6294
Kickxia elatine
L. Ahart, Vernon Oswald
1999-8-13
8132
Butte
Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
Comment
UC179501
Kyhosia bolanderi
A. A. Heller
1914-8-7
11653
Butte
meadows Butte
1219
Comment
CHSC25273
Lagophylla glandulosa
M. S. Taylor
1977-6-27
1396
Butte
Butte College campus, ca. 15 mi s of Chico.
30
Comment
CAS-BOT-BC341317
Lagophylla glandulosa
David D. Keck
1933-5-31
2409
Butte
Bridge crossing Mud Creek, 2.9 miles west of Richardson Springs
Comment
JEPS113138
Lamium amplexicaule
Lowell Ahart
2007-3-12
13592
Butte
At the information sign, north side of Rutherford Road, 50 yards west of Pennington Road, Gray Lodge Wildlife Area (Gray Lodge Waterfowl Management Area), about 6 miles (air) southwest of Gridley
21
Comment
UC727015
Lamium amplexicaule
A. A. Heller
1920-4-10
13360
Butte
Chico
Comment
UCD125083
Lamium amplexicaule
A. A. Heller
1920-4-10
13360
Butte
Chico.
Comment
CHSC45315
Landoltia punctata
Lowell Ahart
1988-10-16
6187
Butte
Dredge pond located ca. 300 ft ne of intersection of Pacific Heights Rd. and Hwy 70, ca. 1 mi s of Oroville.
45
Comment
UCSB63629
Lasthenia chrysostoma
Richard Ernenwein
1995-10-23
135
Butte
collected 2.3 mi E, along the S-side of Humboldt Road, E of Chico U S Highway 99 - Humboldt Road, , and Chico
Comment
JEPS107750
Lasthenia fremontii
Lowell Ahart
2005-5-14
11811
Butte
In a rice field, Peter Ahart Ranch, about 2 miles north and 1/4 mile east of Honcut, about 12 miles (air) southeast of Oroville
25
Comment
UC893757
Lasthenia fremontii
A. A. Heller
1914-4-3
11260
Butte
on the Chico-Oroville road 8 mi from Oroville
Comment
UCSC004637
Lasthenia glaberrima
Lowell Ahart
2005-5-14
11810
Butte
T17N, R4E, southwest 1/4 Section 4, Peter Ahart Ranch, about 2 miles north and 1/4 mile east of Honcut, about 12 miles (air) southeast of Oroville
26
Comment
CHSC74087
Lathyrus brownii
L. Gehrung; E. Hubert
1996-7-17
Butte
Ca 2 air mi NNW of town of Brush Creek, on Mosquito Ridge, on N side of USFS Rd 22N96X. In large clearcut area on SW side of tributary to Ram Creek.
792
Comment
CAS-BOT-BC213342
Lathyrus jepsonii subsp. californicus
A. A. Heller; H. E. Brown
1902-5-8
5489
Butte
Berry Canyon, near Clear Creek
Comment
SEINET5327267
Lathyrus jepsonii var. californicus
R. McKee
1918-5-1
s.n.
Butte
Battle Creek.
Comment
UCD106383
Lathyrus nevadensis
E. B. Copeland
1931-6-10
654
Butte
Jonesville.
1500
Comment
CHSC48507
Lathyrus nevadensis var. nevadensis
Vernon Oswald
1985-4-29
1731
Butte
Bald Rock Rd. 0.3 mi ne of the trailhead to Big Bald Rock.
975
Comment
SD2670
Lathyrus nevadensis var. nevadensis
E. B. Copeland
1931-6-10
654
Butte
Jonesville, in low woods in shade & sun
1500
Comment
LA205072
Lathyrus sulphureus
C. B. Wolf;
1937-5-18
8730
Butte
Northern Sierra Nevada; 5 mi. below Magalia on Oroville Rd
609
Comment
SEINET956196
Lathyrus sulphureus
Lowell Ahart
1987-1
5621
Butte
South of the Forbestown Ditch, about 2.5 miles north-east of Forbestown.
869
Comment
SEINET10452343
Lathyrus sulphureus
Mary Susan Taylor
1976-4-27
Taylor 1092
Butte
Abundant in Yellow Pine Forest, on N or S side of Ponderosa Way, ca. 1-4 mi E of junction of Villas Rd and Cohasset Hwy, ca. 23 mi NE of Chico.
610
Comment
CHSC1033
Lavatera cretica
Mrs. Swoape
1963-6-6
Butte
Grown in Chico.
57
Comment
CDA4996
Lavatera cretica
L. Ahart
2001-4-19
8730
Butte
On the east side of Highway 70, about 50 yards south of Middle Honcut Road, about 3 /14 miles (air) northwest of Honcut, about 1 mile south of Oroville.
Comment
UC304001
Layia fremontii
H. E. Brown
1897-4-15
184
Butte
Clear Creek
53
Comment
RSA256659
Layia fremontii
Linda M. Barker
1974-4-20
146
Butte
Skyway Road, 1 mile E of Hwy 99.
61
Comment
JEPS120761
Leersia oryzoides
Lowell Ahart
2013-9-20
19056
Butte
About 100 yards west of the railroad, about 400 yards south of the Rice Experiment Station buildings, about 2 miles SE of Richvale.
Comment
CHSC49692
Lemna minuta
Vernon Oswald
1987-3-20
2294
Butte
West side of Hwy 99, 0.6 mi nw of Butte Creek. In a dredger pond.
67
Comment
SEINET10466002
Lemna minuta
Mary Susan Taylor
1982-4-28
Taylor 4371
Butte
T17N R1E se/sw sec 14. Pennington quad. Aquatic in slough, ca. 1/2 mi s of HQ on Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley. 65 ft.
20
Comment
CHSC82421
Leontodon saxatilis subsp. longirostris
Lowell Ahart
2002-5-7
9610
Butte
High banks of a pond, at the beginning of a southeast branch of Schirmer Ravine, about 50 yards east of the pond on the east side of Cherokee Road, North Table Mountain, about 4 miles (air) north of Oroville.
228
Comment
JEPS119878
Leontodon saxatilis subsp. longirostris
Lowell Ahart
2012-6-2
18131
Butte
Along the sides of Truex Road, west of the intersection of Truex Road and Trevor Road, about 1/8 mile northwest of the West Branch Bridge across Lake Oroville.
Comment
UCD115254
Lepidium dictyotum
R. E. Preston
1982-4-4
216
Butte
Gray Lodge State Wildlife Area, ca. 0.3 mi w of Headquarters.
20
Comment
CHSC104003
Lepidium didymum
Lowell Ahart
2010-5-28
16740
Butte
Wood chipped area on the north side of Bidwell Mansion, Chico .
60
Comment
CAS-BOT-BC12801
Lepidium perfoliatum
Lowell Ahart
1984-6-8
4680
Butte
3 miles NE of the Ponderosa Dam. The road forks here and one goes to Feather Falls and the other to Lumpkin Ridge Road.
500
Comment
CAS-BOT-BC12910
Lepidium strictum
John Thomas Howell
1962-6-16
37598
Butte
Sierra Nevada. Feather River West Branch southwest of Nelson Bar.
304
Comment
CDA43062
Lepidium strictum
L. P. Janeway
2010-11-17
10233
Butte
Sacramento Valley.; Oroville; in gravel parking area at east side of Feather River Ranger District office (875 Mitchell Ave.).
Comment
CHSC37084
Leptochloa fusca subsp. fascicularis
L. Ahart; M. S. Taylor
1982-10-11
3858
Butte
Bottom of a ditch, w of check-in station, Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley.
35
Comment
SEINET10927696
Leptochloa fusca subsp. fascicularis
Lowell Ahart
1991-9-14
Ahart 6721
Butte
Joie Osgood Ranch, about 2 miles east of Honcut. Valley grassland.
46
Comment
CHSC2429
Leptosiphon ciliatus
R. Carter
1965-6-21
251
Butte
Found on Oroville-Quincy Rd. at Merrimac, 5.5 mi. N of Mountain House, E 10' from road and S 15' from creek.
1176
Comment
CDA13325
Leptosiphon filipes
G. F. Hrusa, T. D. Wilfred
1996-7-9
13171
Butte
Sierra Nevada; Approx. 1 m. on 22N89 and 22N12x. Immed. S of Rogers Cow Camp on Hwy 162.
Comment
CHSC31947
Leptosiphon filipes
J. D. Jokerst
1979-5-2
1217
Butte
Top of North Table Mountain, ca. 200 meters S of Cherokee Rd.
396
Comment
JEPS20596
Lessingia nana
W. L. Jepson
1934-5-4
16618
Butte
2 1/2 mi ne Cana
Comment
CHSC30276
Lessingia nemaclada
M. S. Taylor; J. D. Jokerst
1979-10-13
2274
Butte
On w side of Jordan Hill Rd (Ponderosa Way on some maps), ca. 11.1 mi n of its jct with Concow Rd, ca. 1.9 mi n of Sawmill Peak.
853
Comment
CAS-BOT-BC342063
Lessingia virgata
A. A. Heller
1914-9-4
11762
Butte
Hills 8 miles north of Oroville
Comment
OBI15780
Lessingia virgata
John Thomas Howell
1959-9-19
34612
Butte
5 mi W of Oroville
46
Comment
CHSC47675
Leucothoe davisiae
Lowell Ahart
1989-9-21
6396
Butte
Along a small branch of French Creek, on the north side of the gravel road, east of a small pond, about 1 mile west of the Sly Creek Reservoir.
1158
Comment
CHSC51868
Leucothoe davisiae
L. P. Janeway
1988-7-2
2939
Butte
Marsh/mdw at upper reach of Brush Cr, ca 1.5 mi S of 'town' of Brush Creek.
952
Comment
POM253222
Lewisia rediviva
A. A. Heller
1938-4-14
15029
Butte
Treeless summit of Table Mtn.
Comment
CHSC34799
Ligusticum californicum
M. S. Taylor
1981-5-15
3750
Butte
End of spur rd 22N84A, ridge sw of Stony Creek, ca. 2.5 mi due e of Jarbo Gap on Hwy 70.
944
Comment
CHSC42584
Ligusticum californicum
Vernon Oswald
1983-6-22
729
Butte
Near Calif. Hwy. 32 11.7 mi n-e of Forest Ranch.
1143
Comment
CHSC106061
Ligustrum lucidum
Lowell Ahart; Susan Mason, Josephine Guardino
2010-8-6
17041 -A
Butte
Golf Course, about 20 yards west of the club house, Upper Bidwell Park, about one mile east of the east edge of Chico.
89
Comment
SD708
Lilium pardalinum subsp. shastense
E. B. Copeland
1930-7-18
614
Butte
Jonesville, along creeks and in damp woods.
456
Comment
UC600465
Lilium washingtonianum subsp. washingtonianum
E. B. Copeland
Jul 1930
Butte
Jonesville
1600
Comment
UCR188703
Limnanthes alba
Ken Osborne
2007-5-13
s.n.
Butte
Sierra Nevada Foothills, along Ponderosa Way at Mud Creek, c. 1.5 mi. SE of Cohasset
701
Comment
CHSC38538
Limnanthes alba subsp. alba
Vernon Oswald
1983-4-18
337
Butte
Upper Bidwell Park, Chico, on the north rim near the head of the west intermittent stream which flows into Sycamore Creek (4000 ft e of the power lines).
286
Comment
JEPS106505
Limnanthes alba subsp. alba
T. W. Henrich
2004-4-12
Butte
Chico. Meghdadi Property in SE Chico; about 0.5 km N of Doe Mill Road, about 0.5 km E of S end of Potter Road, and 0.25 km W of old stone fence.
Comment
SEINET6670265
Limnanthes alba var. alba
C. T. Mason
1949-4-23
1252
Butte
7 miles south of Oroville, along the east side of State Highway 24
Comment
POM253064
Limnanthes douglasii
A. A. Heller
1938-4-14
15033
Butte
On the flatened treeless surface of Table Mountain. Upper Sonoran Life Zone.
610
Comment
UCD22645
Limnanthes douglasii
Joseph Laferriere
1982-4-18
2
Butte
Table Mountain, 5 miles north of Oroville on Cherokee Road, near creek.
396
Comment
UCSB63634
Limnanthes douglasii
O'Connor-Henry, K.
1985-4-19
Butte
North Table Mtn., ca. 500 yd. w of Cherokee Rd. and 4.5 mi. n of Oroville
365
Comment
CHSC1011
Limnanthes douglasii subsp. rosea
P. Delaplane
1965-3-23
42
Butte
H. Wurlitzer Ranch; ca. 13 mi NW of Chico. W. of Hwy 99E N.
60
Comment
POM86188
Limnanthes douglasii subsp. rosea
R. M. Austin
1883-05
s.n.
Butte
Mesa.
Comment
RSA31668
Limnanthes douglasii subsp. rosea
A. A. Heller
1916-3-8
s.n.
Butte
8 miles north of Oroville.
Comment
HSC85944
Limnanthes floccosa subsp. californica
J. Hunter
1986-3-30
39
Butte
1 km E Chico, 50 m S Hwy. 32
75
Comment
HSC93612
Limnanthes floccosa subsp. californica
James D. Jokerst
1980-3-27
520
Butte
E of Cohasset Hwy. on S side of Richardson Springs Rd.
98
Comment
JEPS107972
Limnophila X ludoviciana
Lowell Ahart
2005-9-13
12368
Butte
On the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Road.
Comment
UCD169097
Limosella aquatica
Ramona Robison
2013-4-16
14
Butte
Clay Pit State Vehicular Recreation Area, located in pools within Clay Pit SVRA.
41
Comment
SEINET10496787
Linanthus bicolor
Mary Susan Taylor
1980-3-28
Taylor 2402
Butte
T22N R2E north center border sec 30. Vernal pool area in Valley Grassland, just E of Chico, between Humboldt Rd, cand Hwy 32, ca. 1/4 mi E of Forest Ave., ca. 1.5 mi E of Hwy 99; area soon to be developed. With J.D. Jokerst.
76
Comment
SEINET10496794
Linanthus ciliatus
Lowell Ahart, Peter Ahart
1984-5-28
Ahart 4645
Butte
About 1 mi NE of the West Branch Bridge, ca. 2 mi S of Old Yankee Hill, ca. 16 mi NE of Oroville; Foothill Woodland; 450 m.
450
Comment
POM73994
Linanthus dichotomus subsp. meridianus
C. C. Bruce
1897-04
1967
Butte
Near Deadwood
Comment
CHSC112077
Lindernia dubia var. anagallidea
B. Castro
2013-7-26
1997
Butte
Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek,ca 0.6 mi downstream (W) of its crossing under the Cohasset Hwy bridge and ca 500 ft E of its confluence with Sheep's Hollow. Bed of central channel.
54
Comment
CHSC33339
Linnaea borealis var. longiflora
R. Banchero
1980-7-7
285
Butte
Ca. 5.5 mi NE of the town of Feather Falls. 1.9 mi S of the Fall River Campground along the 'Quartz Creek Rd.
1147
Comment
CHSC90295
Linnaea borealis var. longiflora
L. P. Janeway
1994-7-19
4697
Butte
Northern High Sierra Nevada. South side of Cascade Creek 0.4 mi east of confluence with South Branch Middle Fork Feather River.
1179
Comment
CDA4731
Linum bienne
L. Ahart
2000-5-21
8375
Butte
On the north margin of Table Mountain Boulevard, about 300 yards southeast of Garden Drive, about 1/10 mile northwest of the Thermalito Diversion cut, about 2 miles north of Oroville.
Comment
CHSC52179
Linum lewisii var. lewisii
L. P. Janeway
1989-5-13
3238
Butte
Rocky Ridge; where powerlines cross Ponderosa Way (Rim Rd) ca 2 mi SE of Concow Rd.
960
Comment
CHSC76428
Lipocarpha micrantha
Lowell Ahart
1999-10-28
8301
Butte
On the west side of a large pond, large disturbed area along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
UC1562297
Lipocarpha micrantha
Lowell Ahart
1990-7-15
6566
Butte
about 1/4 mi nw of the Enterprise Bridge across Lake Oroville (e of the Enterprise Boat Launch Area)
243
Comment
SEINET11750564
Lipocarpha micrantha
R. A. Schlising
1979-1
3501
Butte
along Sacramento River W of Chico, just N of Chico Landing site in Bidwell River State Park
Comment
UC128928
Listera convallarioides
Miss Kate Conger
1907-1
Butte
Brush Creek
Comment
CHSC2471
Lithophragma bolanderi
R. Carter
1965-3-13
157
Butte
Found on North Table Mt. ca. 20 yds. SE of point where Old Cherokee Rd. comes over S rim of table.
304
Comment
CHSC52134
Lithophragma bolanderi
Carol A. Bordin
1983-4-19
19
Butte
S Pentz-Magalia Hwy and Hwy 70 intersection, 0.3 mi e of Hwy 70 to Cherokee Rd. ca. 7.2 mi n of Cherokee Rd and ca. 6 mi n of Oroville city limit. Table Mtn.
335
Comment
CAS-BOT-BC432265
Lithophragma campanulatum
Mary E. Wall
1935-4-14
s.n.
Butte
Between Cherokee & Oregon City
Comment
CAS-BOT-BC438122
Lithophragma parviflorum
Gladys Smith
1976-4-8
s.n.
Butte
Table Mountain
Comment
CHSC4085
Lithophragma parviflorum
J. E. Bowlin
1967-4-14
22
Butte
Near the railroad tracks, ca. 30 feet from Skyway and ca. 1.8 miles e of corner of Skyway and Humbug Rd., Chico.
60
Comment
CHSC87426
Lithophragma parviflorum var. parviflorum
R. D. Fischer
2004-3-20
116
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Along Guardian Trail, south of Pine Trail. UTM: 10609476E 4405711N.
384
Comment
CHSC87432
Lithophragma parviflorum var. parviflorum
R. D. Fischer
2004-3-1
95
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Along the beginning of 10 Mile House Road near parking area at Hwy 32.
469
Comment
CHSC12190
Lithophragma parviflorum var. trifoliatum
Lowell Ahart
1973-4-15
190
Butte
Swedes Flat Road, Bangor.
304
Comment
UC1713771
Lithophragma tenellum
H. F. Copeland
1920-7-8
47
Butte
<divide btw Butte, Plumas & Tehama Cos..acc to Roy Taylor from info from Duplicate coll. in Dudley Herbarium>
1828
Comment
CAS-BOT-BC428450
Lithophragma trifoliatum
Mary E. Wall
1935-4-14
s.n.
Butte
Between Cherokee & Oregon City
Comment
CHSC29099
Lithospermum californicum
M. S. Taylor; J. D. Jokerst
1980-4-18
2507
Butte
Ca. 1 mi s of Nimshew, ca. 1/4 mi e of Nimshew Rd.
609
Comment
CHSC23721
Lobularia maritima
L. V. Ritter
1969-4-12
144
Butte
Ca 50 yds. s of Sandy Gulch, ca 200 yds. e of Longfellow Bridge Chico.
76
Comment
SEINET11268243
Lobularia maritima
Lowell Ahart
2001-4-15
8722
Butte
On the north side of the dirt road east of the large pump, on the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) southwest of Gridley.; 0
23
Comment
CAS-BOT-BC342142
Logfia filaginoides
A. A. Heller
1914-6-2
11148
Butte
8 miles north of Oroville
Comment
JEPS105681
Logfia filaginoides
L. P. Janeway and John Hunt, Adam Henderson
2003-5-13
7784
Butte
Northern High Sierra Nevada; E side of Middle Fork Feather River arm of Lake Oroville, 1.0 km SW of mouth of Frey Creek
299
Comment
CHSC26786
Logfia gallica
M. S. Taylor
1978-5-6
1623
Butte
Ca. 1/4 mi e of Cohasset Rd, ca. 8 mi n of Chico.
137
Comment
CHSC65889
Logfia gallica
Vernon H. Oswald
1996-4-20
7403
Butte
Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the S paddock of Tract 7, Sanctuary II.
32
Comment
CAS-BOT-BC342381
Logfia gallica
Lowell Ahart
1989-5-10
6226
Butte
At the end of the dirt road that leads to Lake Oroville, about 1/12 mile north-west of the West Branch Bridge across Lake Oroville
280
Comment
CAS-BOT-BC342388
Logfia gallica
A. A. Heller
1915-5-17
11880
Butte
Along Chico Creek 5 miles east of Chico
Comment
CHSC101799
Lolium multiflorum
Lowell Ahart
2009-5-8
15669
Butte
On the south side of the gravel road, about 10 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico.
67
Comment
CHSC4300
Lolium multiflorum
V. Hagaman
1966-4-27
Butte
Chico State Campus.
Comment
JEPS110446
Lolium multiflorum
Lowell Ahart
2005-12-11
12519
Butte
On the sides of small ditches, on the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Highway, about 2 1/4 miles (air) east of Biggs
30
Comment
UCD66076
Lolium multiflorum
Barbara Ertter; Lowell Ahart
1986-4-13
5889
Butte
Ca. 2 air miles NNE of Honcut between Oroville and Marysville, Peter Ahart Ranch.
30
Comment
SEINET10454487
Lomatium
Mary Susan Taylor
1980-3-30
Taylor 2414
Butte
Upper Bidwell Park, Chico.
244
Comment
CHSC77473
Lomatium dasycarpum subsp. tomentosum
Anna Pinsky
2000-4-30
32
Butte
Upper Bidwell Park, between Bear and Salmon Hole, 50 ft. above Big Chico Creek, on rock outcrop.
Comment
JEPS117226
Lomatium dissectum var. multifidum
Lowell Ahart
2010-5-7
16632
Butte
On the south side of Guardian Trail, about 1/4 mile west of Highway 32, Upper Bidwell Park, about 4 3/4 miles (air) east of Chico
301
Comment
SEINET10454537
Lomatium utriculatum
Mary Susan Taylor
1979-6-12
Taylor 2302
Butte
Magalia serpentine area down to Feather River. With J.D. Jokerst & L. Ahart.
671
Comment
UC600683
Lonicera conjugialis
H. F. Copeland
1920-7-29
460
Butte
Jonesville woods Jonesville
Comment
CHSC115688
Lonicera hispidula
Emily Meigs Doe
2015-5-12
28
Butte
Northern High Sierra Nevada. Plumas National Forest. About 2.75 mi. (air) NW of Forbestown. Roadside of Rd. 19N19, ap-proximately 750 ft. NE of its junction with Ponderosa Way.
746
Comment
CHSC73410
Lonicera involucrata var. involucrata
B. Castro; L. Gehrung
1995-6-20
578
Butte
Ca 4 air mi NE of Feather Falls towards northeastern end of Watson Ridge, in moist N-trending ravine (within Mixed Conifer forest) S of sharp bend in USFS Rd 22N24.
1173
Comment
JEPS114734
Lotus humistratus
Lowell Ahart
2008-5-12
14755
Butte
Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 100 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam
258
Comment
JEPS87386
Lotus incanus
Lowell Ahart
1993-6-26
7024
Butte
about 1 mi w Lost Creek Reservoir (on w side of the dirt road); Mooreville Ridge
1188
Comment
SEINET10452366
Lotus micranthus
Mary Susan Taylor
1974-4-20
Taylor 180
Butte
Ca. 10 yds W of roadside, Richardson Springs, ca. 6 mi N of Chico.
Comment
UC566229
Lotus purshianus var. purshianus
C. G. Albertus
1933-7-14
44
Butte
0.5 mi w Fourteen Mile House; Chico Quad.
335
Comment
UC600402
Lotus purshianus var. purshianus
H. F. Copeland
1928-8-18
Butte
near Butte Creek (neighorhood of Jonesville); Jonesville
1524
Comment
UC600394
Lotus purshianus var. purshianus
H. F. Copeland
1932-7-24
Butte
by small stream running down from the w to Butte Creek meadows Jonesville, Butte Creek Meadows
Comment
SEINET7042709
Lotus wrangelianus
A. G. Vestal
1963-5-9
s.n.
Butte
At lower slope of lava mesa. Road to Chico. Ca. 11 miles southeast of Chico. Nelson quadrangle UTM Zone 10, 604825mE, 4383603mN.
Comment
CHSC112879
Ludwigia decurrens
Evan Padgett
2014-8-20
Butte
Sacramento Valley. Agricultural fields between Richvale and Highway 162, west of Midway, next to rice fields.
26
Comment
CHSC111959
Ludwigia palustris
Lowell Ahart
2012-6-5
18168
Butte
On the strand of the reservoir, north of Beatson Hollow, about 1 3/4 miles northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 6 miles (air) north of Oroville.
295
Comment
UC204453
Ludwigia palustris
A. A. Heller
1914-8-13
11683
Butte
hills 8 mi. n. Oroville
Comment
CAS-BOT-BC198301
Lupinus
John Thomas Howell
1976-4-1
51521
Butte
Table Mountain, 4-5 miles north of Oroville
152
Comment
UC726679
Lupinus
A. A. Heller
1942-5-17
16477
Butte
Pentz Cherokee Road 2 mi above Pentz; Pentz Cherokee Road
Comment
CHSC48520
Lupinus albicaulis
Vernon Oswald
1984-5-23
1205
Butte
Calif. Hwy 70 at Heinz Creek, 0.5 mi n-e of Poe Power House.
463
Comment
SEINET11268145
Lupinus albicaulis
Lowell Ahart
1993-6-16
6965
Butte
South-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 (air) miles south-west of Forbestown.; 0
610
Comment
CHSC35985
Lupinus albicaulis var. shastensis
J. D. Jokerst
1982-5-16
1571
Butte
Ponderosa Way 0.5 mi N of its jct, with Lower Forbestown Road.
731
Comment
CAS-BOT-BC196145
Lupinus albifrons var. douglasii
Grace Kermode
1899-5-30
s.n.
Butte
Centerville
Comment
CHSC65456
Lupinus andersonii var. apertus
Vernon Oswald
1985-6-3
1808
Butte
Skyway 2.7 mi n of Stirling City.
1194
Comment
JEPS97371
Lupinus angustiflorus
Vernon H. Oswald
1995-8-2
7171
Butte
T26N R5E ca. center NW1/4 Sec. 4, 6100 ft, High Cascade Range, Red Fir Forest. Scotts John Rd. (Forest Rd. 26N11) 2.2 mi N of Jonesville Rd. (Forest Rd. 26N27)
1859
Comment
UC398928
Lupinus angustiflorus
E. B. Copeland
1929-7-17
378
Butte
above Jonesville; above Jonesville
2000
Comment
SFV11554
Lupinus bicolor
M. L. Vincent
1964-4-8
499
Butte
Pentz Road, 0.25 miles west of Barnum Road.
Comment
UC725710
Lupinus bicolor
A. A. Heller
1914-3-26
11227
Butte
Canon hf Big Chico creek 6 miles E of Chico.
Comment
CHSC40600
Lupinus bicolor subsp. tridentatus
J. D. Jokerst; M. S. Taylor, L. Ahart
1984-4-6
1960
Butte
N of Kunkle Reservoir, on ridge s of Paradise.
457
Comment
RSA32773
Lupinus bicolor subsp. tridentatus
A. A. Heller
1938-4-3
15010
Butte
Between Pebtz and Cherokee.
Comment
HSC58937
Lupinus densiflorus var. lacteus
G. L. Clifton
1975-5-29
4195
Butte
Near Pulga, close to Belden
488
Comment
CDA27454
Lupinus latifolius var. columbianus
Vernon H. Oswald & Lowell Ahart
1998-8-11
9471
Butte
Four Trees-Coyote Gap Road 0.4 mile west of Four Trees.
Comment
CHSC25006
Lupinus lepidus var. sellulus
E. B. Copeland
1929-7-17
377
Butte
Above Jonesville.
2000
Comment
CHSC90013
Lupinus microcarpus
Peggy Fain
1991-4-21
25
Butte
Along Richardson Springs Road, ca. 1 km. from Cohasset Highway.
152
Comment
SBBG128862
Lupinus nanus
G. K. Helmkamp, E. A. Helmkamp
2012-4-14
18762
Butte
entrance to Oroville Wildlife Area, 0.2 mi W of CA-70, near the Feather River
46
Comment
CHSC115349
Lupinus pachylobus
Lowell Ahart
2015-3-24
19960
Butte
Along the south side of the poor road northeast of the Disk Golf Field, Humboldt Trail, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
394
Comment
CHSC32763
Lupinus pachylobus
J. D. Jokerst
1981-3-29
1280
Butte
Top of North Table Mountain, ca. 1.0 mi N of Cherokee Rd.
373
Comment
CHSC111346
Lupinus polycarpus
Lowell Ahart
2012-5-2
17952
Butte
On damp dark clay soil, along the fence, west of the Government Pole Line, Upper Bidwell Park, about 1 mile east of Chico.
85
Comment
CHSC31811
Lupinus polycarpus
L. Ahart
1978-5-1
1686
Butte
Peter Ahart Ranch, Honcut.
50
Comment
RSA32926
Lupinus polycarpus
A. A. Heller
1942-4-26
16439
Butte
Summit of Table Mountain near the road from Cherokee to Oroville.
Comment
CHSC105808
Lupinus polyphyllus var. burkei
Lowell Ahart
2010-9-21
17205
Butte
About 70 yards east of the poor dirt road, about 80 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir.
1917
Comment
CAS-BOT-BC322126
Lupinus stiversii
M. S. Taylor
1980-5-27
2715
Butte
S side of Bald Rock Rd, ca. 1 mi E of Lake Madrone.
670
Comment
CHSC2511
Lupinus stiversii
W. Fitzwater
1958-4-19
Butte
A Few miles above Paradise.
Comment
JEPS107771
Lupinus succulentus
Lowell Ahart
2005-5-2
11757
Butte
Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico
25
Comment
CAS-BOT-BC329275
Lupinus vallicola
Lowell Ahart
1980-5-25
2347
Butte
Sierra Nevada. Along Ponderosa Way.
500
Comment
SEINET10491008
Lupinus vallicola subsp. vallicola
Taylor
1981-5-1
Taylor 3588
Butte
Oroville quad. E side of hwy 70, ca 4 air mi nw of Oroville. Associates: Sherardia arvensis, senecio vulgaris, calochortus luteus.
91
Comment
JEPS117180
Luzula cascadensis
Lowell Ahart
2010-9-21
17203
Butte
About 50 yards east of the poor dirt road, about 100 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir
1917
Comment
RSA0116259
Luzula comosa var. comosa
Lowell A. Ahart
2014-7-10
19634
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1665
Comment
CAS-BOT-BC441206
Luzula macrantha
Lowell Ahart
1982-5-8
3411
Butte
Near the Forbestown Res. About 1/2 mile SW of the reservoir, about 4.5 miles NWE of Forbestown
800
Comment
CHSC43003
Luzula parviflora
L. P. Janeway
1987-6-19
2233
Butte
Sly Creek, 2.1 mi from the Challenge-LaPorte Rd on the rd to the SE side of Sly Cr Reservoir.
1097
Comment
JEPS94068
Luzula parviflora
Vernon H. Oswald and Lowell Ahart
1998-8-11
9469
Butte
USFS 28N35 at a branch of Wildcat Creek ca. 1 mi. n. of Four Trees-Coyote Gap Rd.
1396
Comment
CHSC110347
Luzula subsessilis
L. P. Janeway
2013-5-5
11098
Butte
Northern High Sierra Nevada. Plumas National Forest; eastern slope of Bloomer Hill, 1.0 air km east of the top.
701
Comment
RSA754921
Lychnis coronaria
L. Ahart
2008-6-13
14826
Butte
Banks of Oregon Gulch, bottom of an old gold mined area, about 400 yards southwest of the cemetery, about 10 air miles northeast of Oroville.
Comment
CHSC37380
Lycopus americanus
R. A. Schlising
1980-8-3
3963
Butte
Richvale Vernal Pools, 1/4 mi s of jct Hwy 162 to Oroville and Hwy 99, along latter and across from Thermalito Afterbay.
Comment
CHSC66668
Lycopus americanus
Vernon H. Oswald; Lowell Ahart
1996-7-22
8079
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service Parcel between 7 mile Lane and the Sacramento River. Common along tules on the edge of the farm road crossing a branch of Angel Slough W of Refuge Headquarters at the SE corner of Tract 1, Sanctuary I.
32
Comment
CHSC71400
Lycopus americanus
Lowell Ahart
1998-7-18
8042
Butte
Southwest side of the lone oak tree, west of the cow chute on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
JEPS119908
Lycopus americanus
Lowell Ahart
2012-10-20
18511
Butte
On the north side of Big Chico Creek, south of Table 34, west of Cedar Grove, Lower Bidwell Park, Chico.
Comment
JEPS115358
Lythrum hyssopifolia
Lowell Ahart
2009-7-9
16011
Butte
On damp soil, on the east side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of highway 32, about 10 miles northeast of Chico
236
Comment
UC108060
Lythrum hyssopifolia
Mrs. R. M. Austin
Apr, 1899
840
Butte
Butte County
Comment
UC1609425
Lythrum hyssopifolia
Lowell Ahart
1993-6-13
6957
Butte
about 2.25 mi n and 0.25 mi e Honcut (about 12 mi s of Oroville)
33
Comment
CHSC112044
Lythrum salicaria
Lowell Ahart
2012-8-22
18422
Butte
South edge of parking area at the restroom, end of road to the Larkin Road Boat Launch Area, about 1/4 mile west of Larkin Road, about 2 miles (air) southwest of the Oroville Airport.
28
Comment
CDA5126
Lythrum salicaria
G. D. Barbe
1982-8-11
3893
Butte
At the northeast corner of State Wildlife Area, west of Pacific Heights Road, 1/4 mile west of end of Welsh Road, ca 2 miles south of Oroville.
0
Comment
SEINET5335609
Machaerocarpus californicus
F. R. Jones
1918-5-31
s.n.
Butte
Near Sacramento River, Chico
Comment
CAS-BOT-BC342720
Madia elegans
Margaret J. Williams; Wayne Roderick
1984-5-25
84- 21 -3
Butte
3.3 mi from Paradise on Honey Run Road
167
Comment
CAS-BOT-BC342714
Madia elegans
David D. Keck
1930-7-25
978
Butte
Four miles west of Forbestown on Oroville road, eastern Butte County
760
Comment
CAS-BOT-BC342726
Madia elegans
H. M. Hall
1914-7-18
9758
Butte
Chico Creek, 5 mi. E. of Chico
Comment
RSA691019
Madia elegans subsp. elegans
L. Ahart
2003-6-30
10321
Butte
North of small stream, on the east side of Ponderosa Way, about 2.5 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown
578
Comment
CHSC30038
Madia exigua
L. Ahart
1980-5-17
2307
Butte
A little east of the Oak Grove Cemetary, ca. 1/2 mi se of Hurleton.
600
Comment
CHSC39519
Madia exigua
Lowell Ahart
1983-6-12
4050
Butte
Along the edge of the road, about 1 mile south of Crystal Hill, near Oregon Gulch, near Lake Oroville, about 7 miles south-west of Feather Falls.
425
Comment
CHSC43621
Madia exigua
Vernon Oswald
1984-5-23
1200
Butte
Beside the dirt road leading to the falls on Bear Ranch Creek s-e of Calif. Hwy 70 at the Cresta Rest Area.
487
Comment
CAS-BOT-BC344310
Madia exigua
A. A. Heller
1928-5-27
14561
Butte
Along the Neal road, Paradise
Comment
CAS-BOT-BC344316
Madia exigua
Lowell Ahart
1985-5-15
4986
Butte
East of the dirt road, about 1 1/2 miles north-east of Concow Res.
800
Comment
SD5628
Madia gracilis
E. B. Copeland
1931-8-14
697
Butte
Jonesville
1500
Comment
UC830885
Madia gracilis
A. A. Heller
12816 a
Butte
Butte Meadows
1402
Comment
CAS-BOT-BC345235
Madia subspicata
Lowell Ahart
1980-5-17
2306
Butte
1/2 mile south-east of Hurleton
600
Comment
CHSC33945
Maianthemum racemosum
M. S. Taylor
1981-5-21
3783
Butte
Jct of Camp Creek and rd 23N10, ca. 4 mi n of Pulga on Hwy 70.
1005
Comment
CHSC62096
Malacothrix floccifera
L. P. Janeway; Perrie Cobb, Linnea Hanson
1993-7-1
4411
Butte
Plumas National Forest. Along French Creek Road 2.6 mi northeast of Stanwood Saddle and Oroville-Quincy Hwy.
902
Comment
CHSC106871
Malva parviflora
Lowell Ahart
2011-5-9
17352
Butte
South side of Palm Avenue, about 2 miles (air) southeast of East Biggs.
29
Comment
CHSC44978
Marah fabacea
J. Witzman
1987-3-7
6
Butte
Along Butte Creek nr Humbug Rd. ca 3 mi n of jct with Skyway, se of Chico.
97
Comment
CHSC20126
Marah fabacea var. agrestis
M. S. Taylor
1975-5-6
552
Butte
On s side of Big Chico Creed, ca. 60 ft e of Little Cafeteria, California State University, Chico.
Comment
CHSC34446
Marah fabacea var. agrestis
R. E. Preston
1979-4-19
15
Butte
75 yds nw of Singer Creek, northernmost Butte County.
56
Comment
CHSC116981
Marrubium vulgare
Matthew Forster
2013-5-7
Butte
Lower Bidwell Park, along bike path just east of Hwy. 99.
65
Comment
CHSC42275
Marrubium vulgare
L. P. Janeway; C. A. Janeway
1987-4-20
2009
Butte
North side of hwy 32 at Ten Mile House Trail, ca 9 mi ne of the hwy 99 jct.
471
Comment
CHSC90112
Marrubium vulgare
Lesly Hess
2001-5-6
Butte
Lower Bidwell Park, Chico.
Comment
CHSC26
Marsilea vestita
J. Campbell
1954-5-5
Butte
Plant Introduction Garden, 3 mi. SE Chico.
57
Comment
CHSC46174
Marsilea vestita
Lowell Ahart
1980-6-15
2376
Butte
About 2 1/2 miles north and 1/2 mile east of Honcut, Peter Ahart Ranch, about 12 miles south of Oroville.
36
Comment
HSC32657
Marsilea vestita
Dave Knorr
1974-4-20
114
Butte
1 mi. E of Hwy. 99 S of Chico on Skyway Rd.
Comment
RSA724939
Marsilea vestita
L. Ahart
2002-5-15
9659
Butte
About 100 yards east of Parking Lot 10, Gray Lodge State Wildlife Management Area, about 4 miles (air) southwest of Gridley
23
Comment
CHSC19636
Matricaria discoidea
E. Parreno
1968-5-22
132
Butte
Along sidewalk on se corner of Ivy and 1st Sts., Chico.
59
Comment
CAS-BOT-BC422639
Meconella californica
W. R. Ernst
1958-3-27
215 A
Butte
Above the Butte Creek Bridge on the Honeyrun Road to Paradise (east of Chico).
152
Comment
SD8258
Meconella californica
Mrs. R. M. Austin
1880-1
Butte
Comment
UCR208956
Meconella denticulata
H. F. Copeland
1927-4-3
997
Butte
Canyon of Butte Creek
Comment
SEINET12155158
Medicago arabica
P. L. Ricker
1912-1
8952
Butte
Chico
Comment
CDA27613
Medicago intertexta
P. B. Kennedy
1916-1
Butte
Chico.
0
Comment
CHSC74090
Medicago polymorpha
B. Castro
1998-5-11
790
Butte
Ca 2.5 air mi E of the Oro-Quincy Hwy, at Milsap Bar, on the W side of Milsap Bar Road's bridge over the Middle Fork Feather River.
498
Comment
CHSC90817
Medicago polymorpha
Lowell Ahart
2005-5-2
11771
Butte
Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
25
Comment
CHSC110125
Medicago praecox
L. P. Janeway
2012-2-28
10785
Butte
Northern Sierra Nevada Foothills. Oroville; east side of the Feather River about 150 m southeast of the Thermalito Diversion Dam.
69
Comment
JEPS103561
Melica aristata
Lowell Ahart
2002-6-21
9745
Butte
On the N side of a poor dirt road, Watson Ridge, ca 2 miles (air) NE of Bald Rock Dome, ca 5 miles (air) N of Feather Falls (the town).
1158
Comment
JEPS110273
Melica aristata
Lowell Ahart
2006-6-9
12648
Butte
Cutbank, on the west side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga
403
Comment
UCD67024
Melica aristata
E. B. Copeland
1929-7-18
337
Butte
Jonesville.
1550
Comment
CAS-BOT-BC269377
Melica californica
Lowell Ahart
1983-6-26
4108
Butte
Along Ponderosa Way, ca. 1/8 mi. E of the intersection of the Oroville Quincy Highway and Ponderosa Way, ca. 15 mi. NE of Oroville
500
Comment
HSC23498
Melica californica
S. Armantrout
1969-5-2
24
Butte
Cohasset Hwy., 0.5 mi. W of Rock Creek Rd.
Comment
UCR21798
Melica californica
Paul Reisentz
1979-5-13
s.n.
Butte
4 mi south of Cresta Power House on Hwy 70, 5 mi north of Jarbo Gap Gas Station on the Feather River.
Comment
CHSC41167
Melica harfordii
L. P. Janeway; Gary Benson
1984-7-17
Butte
Plumas N.F. ECOS plot 11-001. Slope on east side of French Creek.
685
Comment
SEINET10508160
Melica harfordii
Lowell Ahart, Peter Ahart
1984-6-10
Ahart 4713
Butte
About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown; Yellow Pine Forest; 700 m.
700
Comment
SEINET10599671
Melica torreyana
A. Arthur Heller
1902-5-8
Heller 5511
Butte
Berry Canon (near Clear Creek).
Comment
SEINET11268221
Melilotus officinalis
Lowell Ahart
2001-6-13
8817
Butte
On the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Managment Area, about 4 miles (air) southwest of Gridley.; 0
23
Comment
CHSC34144
Melissa officinalis
L. Ahart
1981-9-27
3210
Butte
On sides of dredger piles ca. 1/8 mi ne of jct of Lower Wyandotte Rd and Upper Palermo Rd, ca. 4 mi ne of Palermo.
80
Comment
JEPS119627
Melissa officinalis
Lowell Ahart
2012-6-14
18195
Butte
About 100 yards east of Mangrove Avenue, Annie's Glen, Lower Bidwell Park, Chico.
Comment
SEINET13710343
Melissa officinalis
Lowell William Ahart, Lowell William Ahart
2002-1
9931
Butte
2 Mi. N Town of Feather Falls (39 Deg 36'44.9'N, 121 Deg 15'59.8"W) 2433 Ft.
742
Comment
CDA5711
Mentha pulegium
L. Ahart
2000-7-17
8593
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
Comment
UC1609278
Mentha pulegium
Lowell Ahart
1993-7-22
7068
Butte
Peter Ahart Ranch, about 2.5 miles N and 1/20 mi E of Honcut, about 12 mi S of Oroville
36
Comment
UC196321
Mentha spicata
A. A. Heller
1914-8-20
11687
Butte
hills 8 mi n Oroville
Comment
CHSC26707
Mentzelia laevicaulis
M. P. Hayes
1977-10-23
143
Butte
In Lindo channel in large gravel about 180 m w of its intersection with Mangrove Avenue in Chico.
35
Comment
CAS-BOT-BC428762
Micranthes californica
A. A. Heller
1919-3-25
13098
Butte
Canon [Canyon] of Chico Creek
Comment
CHSC108793
Micranthes fallax
Lowell Ahart
2012-4-9
17841
Butte
On the high south cliff edge of Big Chico Creek, northwest of South Rim Trail, south part of Upper Bidwell Park, about 2 1/4 miles (air) northeast of Chico.
161
Comment
CHSC24927
Micranthes fallax
T. L. Reynolds
1976-4-23
61
Butte
Ca. 100 yds s of Honey Run Road and 2.9 mi ne of Covered Bridge, 9.8 mi e of Chico.
198
Comment
CHSC38679
Micranthes fallax
Vernon Oswald
1983-3-7
130
Butte
Upper Bidwell Park, Chico, along the dirt road leading to the Police Pistol Range.
91
Comment
CHSC30372
Micranthes integrifolia
J. D. Jokerst
1979-3-5
1138
Butte
Top of North Table Mt., 300 m NW of the intersection of Cherokee Rd and the E edge of section 17.
Comment
CAS-BOT-BC429200
Micranthes oregana
H. F. Copeland
1929-6-1
1240
Butte
Jonesville
1524
Comment
CHSC71108
Micropus californicus
Jan Monelo
1989-4-11
8
Butte
Ca 50 yds e of Covered Bridge, ca 7 mi e of Chico.
121
Comment
UCD80105
Microseris acuminata
CNPS SN Foothill Team
2005-3-30
SNFN 0071
Butte
CDFG North Table Mountain Wildlife Area, approximately 2 mi. west of parking and 200-300 m north.
372
Comment
POM35004
Microseris acuminata
C. C. Bruce
1898-03
1993
Butte
Plains [no specific locality given]
Comment
CHSC40487
Microseris lindleyi
Lowell Ahart
1985-4-29
4883
Butte
Along the sides of North Honcut Creek, Peter Ahart Ranch, about 1 and 1/4 miles north and 3 miles east of Honcut, about 12 miles south of Oroville.
60
Comment
POM34442
Microseris lindleyi
C. C. Bruce
1897-05
1837
Butte
Humboldt Road
Comment
CHSC51046
Microseris sylvatica
J. D. Jokerst
1985-4-16
1971
Butte
Cherokee area east of Table Mt, south of Campbell Flat in my backyard.
Comment
SEINET10969159
Microsteris gracilis
Mary Susan Taylor
1978-6-24
Taylor 1643
Butte
Ernies Island, in Butte Creek, junction with Old Humboldt Road, ca. 0.5 mi W of Butte Meadows; Yellow Pine Forest.
1372
Comment
CHSC21050
Mimetanthe pilosa
M. S. Taylor
1975-10-3
938
Butte
Scattered on sand bar on Sacramento River, ca. 1/4 mi n of the washout on River Rd, ca. 10 mi w of Chico.
36
Comment
CHSC47502
Mimetanthe pilosa
Lowell Ahart
1984-8-19
4780
Butte
Growing north of the state borrow area, west of Pacific Heights Road, about 5 miles south-west of oroville.
30
Comment
RSA535780
Mimulus angustatus
David M. Thompson
1988-3-24
853
Butte
Cohasset Ridge. Griffith residence, 4.4 mi NE of Keefer Road along cohasset Hsy, then 0.4-0.6 mi s along private dirt road;
396
Comment
HSC72762
Mimulus aurantiacus var. grandiflorus
M. S. Taylor
1981-4-8
3481
Butte
E side of Dark Canyon Rd., 2.2 mi. S of jct. with Big Bend Rds., 3 mi. S of Jarbo Gap on Hwy. 70
427
Comment
RSA430200B
Mimulus bicolor
M. M. Boney
1897-1
4226
Butte
Sandy banks and lake shores.
Comment
POM219172
Mimulus breweri
E. B. Copeland
1920-7-11
268
Butte
S. Wats neighborhood of Jonesville, Scotch John Meadow
Comment
RSA4112
Mimulus breweri
E. B. Copeland
1930-6-28
461
Butte
Jonesville, Butte 'Scotch John' Meadow
Comment
JEPS109856
Mimulus glaucescens
Dean W. Taylor
2006-6-28
19554
Butte
West Branch Feather River; growing on the diversion dam and nearby cliffs just upstream from the Reston Road Bridge, vicinity of Striling
993
Comment
JEPS5550
Mimulus glaucescens
R. F. Hoover
1936-5-21
1158
Butte
3 mi n Chico
Comment
UCD122722
Mimulus glaucescens
B. L. Wiley
1975-4-18
15
Butte
from junction of Hwys. 70 and 149, 11.8 mi e and 6.1 mi up Cherokee Rd. from junction of Table Mtn. Blvd. and Cherokee Rd. ca. 50 yds. w.
487
Comment
SEINET10570231
Mimulus glaucescens
Mary Susan Taylor
1986-5-6
Taylor 5616
Butte
Butte County; Along Cohasset Hwy, at Horse Trough, ca. 7 mi NNW of Chico. Foothill Woodland. With Vern Oswald and Lowell Ahart. 700 ft.
213
Comment
SEINET10570233
Mimulus glaucescens
Mary Susan Taylor
1981-7-10
Taylor 4061
Butte
T22N R5E ne sec 6, Pulga quad. N side of Feather River Hwy 70 at Pulga bridge, on large serpentine outcrop, ca. 20 mi NE of Oroville. 1600 ft elev.
488
Comment
SEINET12319563
Mimulus glaucescens
S. E. Patton
1978-1
19
Butte
7.5 mi NE of jct Eaton Rd, S side of Cohosset Hwy
280
Comment
JEPS80614
Mimulus guttatus
M. S. Taylor
1980-4-27
2552
Butte
ca. 1 mi s Nimshew (0.5 mi e of Nimshew Rd., on n side of Ponderosa Way Rd.)
609
Comment
JEPS86890
Mimulus guttatus
David M. Thompson
1988-6-8
938
Butte
0.1 mi nw Hwy 70 (along Pulga Road (Pulga Road leaves Hwy 70 at w side of Feather River bridge))
500
Comment
LA38958
Mimulus guttatus
Frank W. Peirson;
1926-6-21
6775
Butte
Butte Meadows, Humbolt Road
Comment
RSA535533
Mimulus kelloggii
David M. Thompson
1988-6-8
938
Butte
0.1 mi NW of Hwy 70 along Pulga Road (Pulga Road leaves Hwy 70 at W side of Feather River bridge).
500
Comment
UCD122795
Mimulus moschatus
B. Castro
1987-8-29
213
Butte
at S edge of Butte Cl ca. 2.1 mi S of Skyway and ca. 1/4 mile E of Hwy 99 bridge.
60
Comment
UC1609351
Mimulus nanus var. mephiticus
Lowell Ahart
1993-7-31
7146
Butte
about 1/2 mi n Ramsey Bar (on a log landing e of the dirt road that leads to Ramsey Bar)
1371
Comment
UC1609348
Mimulus pulsiferae
Lowell Ahart
1993-6-20
6993
Butte
about 1 air mi nw Lost Creek Reservoir Dam; Mooreville Ridge, Jackass Flat
1158
Comment
SEINET7072713
Mimulus tricolor
A. G. Vestal
1963-5-7
s.n.
Butte
1.7 miles west of Honcut on the Lower Honcut Road. Coordinate Datum WGS84/NAD83. (UTM Zone 10, 623961E, 4353225mN. 39? deg. 19' 17" North Latitude, -121? deg. 33' 43" West Longitude. Coordinate datum: NAD 27)
Comment
CAS-BOT-BC174595
Minuartia californica
H. E. Brown
1897-3-3
143
Butte
Near Clear Creek
53
Comment
CHSC35301
Minuartia californica
J. D. Jokerst
1982-3-11
1510
Butte
West edge of mesa ca 1/2 mi S of Cherokee Rd.
Comment
CHSC40650
Minuartia californica
Ahart; Jokerst
1985-3-24
4868
Butte
Found west of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill.
550
Comment
JEPS108746
Minuartia californica
Lowell Ahart
2006-4-28
12550
Butte
About 50 yards north of the rim of Beatson Hollow, about 120 yards south of the poor dirt road, about 1/8 mile southeast of the reservoir, about 2 1/8 miles by the dirt road northwest of the Iron Gate along Cherokee Road, North Table Mountain, about 7 mil
299
Comment
HSC32412
Minuartia californica
R. A. Vanbianchi
1974-4-20
213
Butte
300 yds. S of intersection of Pentz and Clark Rds.
Comment
HSC68100
Minuartia californica
J. P. Smith
1973-3-22
5907
Butte
Along S.R. 149 just N of junction with U.S. 70
Comment
SEINET10537563
Minuartia californica
Mary Susan Taylor
1974-3-3
Taylor 69
Butte
Burton's Mesa, ca. 13 mi E of Chico on the Skyway to Paradise. Associates: Nemophila heterophylla, Brodiaea pul chella, Arenaria californica.
335
Comment
CAS-BOT-BC388612
Minuartia douglasii
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CHSC38296
Minuartia douglasii
Vernon Oswald
1983-5-1
401
Butte
Upper Bidwell Park, Chico, beside Yahi Trail ca. 400 ft w of Parking Area P which is located 2.0 mi e of the power lines. On a basaltic cap overlooking Chico Creek.
198
Comment
UCD80208
Minuartia douglasii
CNPS SN Foothill Team
2005-3-31
SNFN 0031 b
Butte
CDFG North Table Mountain Wildlife Area, located in the Table Mt. Ecological Reserve on a 'lava finger' in the middle of the northern portion of the reserve.
364
Comment
UCD98347
Moenchia erecta subsp. erecta
Lowell Ahart
1980-5-4
2192
Butte
3/4 mile SE of Hurleton.
600
Comment
RSA0106565
Mollugo verticillata
Lowell Ahart
2014-9-23
19870
Butte
On the northeastern part of Horseshoe Lake, about 100 yards northeast of the Rod and Gun Club, Upper Bidwell Park, about one mile east of Chico.
89
Comment
CAS-BOT-BC220233
Monardella sheltonii
John Thomas Howell
1955-6-15
30481
Butte
6 miles from Paradise on road to Pentz
426
Comment
CHSC44928
Monardella sheltonii
Lowell Ahart
1988-7-28
6137
Butte
Hillside at the north side of the dam at Lost Creek Reservoir.
1036
Comment
CHSC67981
Monardella sheltonii
James D. Jokerst
1989-7-3
3124
Butte
Hwy. 70 and Pulga Rd.
Comment
RSA32830
Monardella sheltonii
A. A. Heller
1938-6-14
15151
Butte
23 miles from Oroville, east of Jarboe Pass, on the Feather River Highway.
Comment
RSA796042
Monardella sheltonii
L. P. Janeway
2012-6-23
10888
Butte
Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Bachelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way.
895
Comment
CAS-BOT-BC220310
Monardella venosa
C. C. Parry
1883-1-1
s.n.
Butte
Chico
Comment
CHSC60100
Monardella venosa
B. Castro; J. D. Jokerst
1992-5-19
457
Butte
In bottom of canyon SE of Neal Road; ca 200 ft NW of intermittent creek.
79
Comment
SEINET10498953
Monardella villosa subsp. sheltonii
Melvin L. Conrad
1973-6-5
Conrad 7042
Butte
Jarbo pass on hwy 70. Yellow pine, california buckeye, and shrubby lupine
701
Comment
UC1564772
Monolepis nuttalliana
V. Oswald and L. Ahart
1989-8-22
3959
Butte
ca. 3.5 mi. (air) s.e. Jonesville (Butte Creek House Meadow on e. side of Humbug Rd., at the corral); Butte Creek House Meadow
1767
Comment
CHSC57135
Montia chamissoi
L. P. Janeway; R. A. Schlising
1988-7-22
3055
Butte
Upper Coon Hollow; just below the saddle between Coon Hollow and Chips Creek.
1920
Comment
UC83804
Montia chamissoi
Mrs. R. M. Austin
July 1896
266
Butte
Colby
Comment
POM101957
Montia clara
C. C. Bruce
1897-06
2013
Butte
Fields
Comment
JEPS102709
Montia diffusa
Vernon H. Oswald and Lowell Ahart
2001-6-5
10047
Butte
Bryant Ravine, near the trailhead to Feather Falls
749
Comment
JEPS104241
Montia diffusa
Lowell Ahart
2003-7-12
10378
Butte
Near a small stream, on the w side of Milsap Bar Rd, ca 2 1/2 mi (air) e of the Brush Creek Work Center, ca 17 mi (air) ne of Oroville.
1036
Comment
CHSC109123
Montia fontana subsp. amporitana
Lowell Ahart
2012-3-23
17792
Butte
On a large rock outcrop, about 200 yards east of Big Chico Creek, about 200 yards west of Ten Mile House Road, below and north of the old homestead, about 3/4 mile west of Highway 32, about 9 miles (air) northeast of Chico.
215
Comment
CHSC50418
Montia fontana subsp. chondrosperma
Vernon Oswald
1990-6-26
4321
Butte
East branch of Willow Creek on the east side of Humbug Rd, ca. 1.25 mi (air) southwest of Humbug Summit. Very abundant in quiet water of a shallow drainage on the meadow where the north and east branches of Willow Creek join.
1853
Comment
CHSC54371
Montia fontana subsp. chondrosperma
M. Bailey
1991-3-8
547
Butte
Butte College campus, near edge of vernal pool, e of Williams Road and w of Wallis Ponds.
85
Comment
CHSC56081
Montia fontana subsp. chondrosperma
L. P. Janeway
1988-6-25
2871
Butte
In Coon Creek and near Bull Hill Road 1.0 mi from Skyway.
1554
Comment
SEINET10572721
Montia fontana subsp. chondrosperma
Lowell Ahart
1985-5-10
Ahart 4952
Butte
East branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam.
Comment
CHSC50110
Montia linearis
Vernon H. Oswald
1990-5-9
4196
Butte
Colby Creek Meadow on the north side of Humboldt Rd, ca. 1 mile west of Jonesville. Occasional on moist, sloping meadow on the west side of Colby Creek, slightly north of the mouth of Willow Creek.
1475
Comment
UC1562481
Montia linearis
Vernon H. Oswald and Lowell Ahart
1990-5-29
4270
Butte
between the Skyway and Philbrook Road (Chaparral Guard Station on Humbug Road); Chaparral Guard Station
1536
Comment
UC725932
Montia linearis
A. A. Heller
1919-5-18
13179
Butte
Mosquito Creek between Appleton and Coutolenc; Mosquito Creek
609
Comment
CHSC7114
Montia parvifolia
Paul Kinnison
1969-5-6
11
Butte
On Highway 70 e 200 yds. up Bear Creek where it hits the road. Just before the abandon tunnel.
Comment
CAS-BOT-BC445134
Montia parvifolia
Mrs. C. C. Bruce
1897-6-1
1117
Butte
Forest Ranch
Comment
RSA325117
Montia parvifolia
M. S. Taylor
1981-5-7
3634
Butte
N side of Ponderosa Way, N of the Sucker Creek bridge, 4 air miles SW of Feather Falls community.
366
Comment
UCD101762
Montia parvifolia
Brian Bagley
1981-5-17
26
Butte
2.5 miles south of Arch Tunnel on Hwy 70. Cresta Powerhouse Substation.
463
Comment
CHSC46607
Muhlenbergia andina
V. Oswald; L. Ahart
1989-7-21
3885
Butte
Meadow paralleling Humbug Rd, just ne of the West Branch of the Feather River, ca. 0.5 mi ne of Snag Lake, ca. 2.5 mi (air) se of Jonesville.
1780
Comment
CAS-BOT-BC260534
Muhlenbergia filiformis
E. B. Copeland
1929-7-16
339
Butte
Jonesville
1550
Comment
CAS-BOT-BC260540
Muhlenbergia filiformis
V. Oswald; L. Ahart
1988-7-26
3620
Butte
Snow Mountain region located ca 6 air miles SE of Jonesville
1996
Comment
CHSC59049
Muhlenbergia filiformis
Lowell Ahart
1992-7-21
6798
Butte
On the sides of a snow lake, on the south side of Coon Hollow, about 2 (air) miles north-east of Philbrook Reservoir.
1737
Comment
JEPS117682
Muhlenbergia filiformis
Lowell Ahart
2010-9-21
17221
Butte
Open meadow-like area, near a poor camp, 30 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir
1917
Comment
POM196084
Muhlenbergia filiformis
H. F. Copeland
1929-6-9
1213
Butte
Jonesville.
1524
Comment
UC1609264
Muhlenbergia filiformis
Lowell Ahart
1993-7-29
7124
Butte
near a seep about 2 1/2 mi n Bald Mountain (about 6 1/2 mi ne of Stirling City)
1584
Comment
UCD86725
Muhlenbergia filiformis
H. S. Yates
1936-8-13
6111
Butte
2 1/2 miles SSE of Butte Meadow.
1493
Comment
UC1594699
Muhlenbergia minutissima
Lowell Ahart
1992-7-21
6799
Butte
about 2 air mi ne Philbrook Reservoir (sides of snow lake on s side of valley); Coon Hollow
1737
Comment
CHSC94794
Myriophyllum aquaticum
L. P. Janeway; B. Castro, Laurie Archambault
2006-1-16
8554
Butte
Sacramento Valley. Gray Lodge Wildlife Area; in shallow sluggish canal between the main waterfowl viewing parking area and the headquarters area.
18
Comment
JEPS88529
Najas gracillima
Vernon H. Oswald and Lowell Ahart
1996-6-22
8093
Butte
U.S. Fish and Wildlife Service parcel between Seven Mile Lane and Sacramento River.
32
Comment
JEPS120716
Najas guadalupensis subsp. guadalupensis
Lowell Ahart
2013-10-16
19116
Butte
Thermalito After Bay, about 20 feet north of the base of the large rock levee, about 100 yards north of Larkin Road, about 4 air miles north of East Biggs.
Comment
SEINET3237609
Najas guadalupensis subsp. guadalupensis
J. M. Tucker
1953-8-28
2682
Butte
Biggs Rice Experiment Station.
Comment
UC1069123
Nama lobbii
P. L. Johannsen
1936-7-16
918
Butte
1 3/4 mi ese Butte Mdws (Lassen National Forest); , Paynes Creek Quad.
Comment
CHSC39504
Nassella pulchra
Lowell Ahart
1983-6-15
4055
Butte
Along the edges of North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 3 miles east of Honcut.
50
Comment
CHSC97038
Navarretia divaricata subsp. vividior
B. Castro; Plumas NF/Feather River RD botanists
2005-6-6
1483
Butte
On SW end of Lumpkin Ridge, ca 6 3/4 air mi NE of town of Feather Falls and 1.3 mi E of the 'Camp 18' site on topo maps. Ca 300 ft SE of USFS Rd 22N27 (Lumpkin Rd). ca 2 mi E of its jcn with the County Rd and USFS Rd 22N94 to Fall River.
1295
Comment
SEINET10496822
Navarretia divaricata subsp. vividior
Lowell Ahart, Peter Ahart
1984-7-19
Ahart 4729
Butte
About 1 1/2 mile south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 miles north-east of Stirling City.
Comment
CHSC43705
Navarretia filicaulis
Vernon Oswald
1985-6-26
1866
Butte
Forbestown Reservoir Rd. 2.5 mi ne of Forbestown Rd. On the edge of a dirt road.
792
Comment
JEPS120502
Navarretia filicaulis
B. Castro, L. P. Janeway
2004-6-13
1469
Butte
Northern High Sierra Nevada. Along Old Forebestown Road 1.6 road mi SE of Forbestown Reservoir Road; 2.25 air mi E of Forestown; near headwaters of Costa Creek; 0.15 rd mi NW of jcn with Abernathy Rd.
Comment
UC1111635
Navarretia filicaulis
Lewis S. Rose
1955-6-15
55101
Butte
6 mi se Paradise (on Pentz Road)
426
Comment
SEINET10496824
Navarretia filicaulis
Mary Susan Taylor
1979-6-12
Taylor 2297
Butte
Magalia serpentine area down to Feather River. With J.D. Jokerst & L. Ahart.
671
Comment
CAS-BOT-BC230302
Navarretia heterandra
A. A. Heller
1913-5-25
10758
Butte
Near Pents
152
Comment
UC1719845
Navarretia heterandra
David Fruchter
1979-5-28
s. n.
Butte
Richvale (N of Corning)
Comment
CHSC55393
Navarretia intertexta
L. P. Janeway
1991-6-8
3999
Butte
Upper reach of Spring Hollow (between Montgomery Bar Ravine and Oregon Gulch). On dirt road adjacent to spring.
365
Comment
POM74491
Navarretia intertexta
Edward Palmer
1892-6-7
2080
Butte
Near Chico.
Comment
UC600672
Navarretia intertexta
H. F. Copeland
1930-7-28
Butte
Jonesville, by Humbug Road Jonesville
1828
Comment
POM129395
Navarretia leptalea
Mrs. R. M. Austin
1896-07
258
Butte
Colby
Comment
CHSC1294
Navarretia leucocephala
F. Hughes
1935-4-24
Butte
Butte Creek Canyon.
121
Comment
CHSC26882
Navarretia leucocephala
M. S. Taylor
1974-4-20
182
Butte
Richardson Springs, ca. 6 mi n of Chico, ca. 10 yds off side of road.
Comment
UC221748
Navarretia leucocephala
Dr. Edward Palmer
Jun 7 1892-Jun 12 1892
2081
Butte
near Chico
Comment
CAS-BOT-BC233618
Navarretia pubescens
A. A. Heller
1913-5-25
10757
Butte
Near Pents
152
Comment
CDA31934
Navarretia pubescens
L. Ahart
2009-5-23
15727
Butte
About 20 yards east of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
Comment
CHSC91119
Navarretia pubescens
Lowell Ahart
2005-5-28
11819
Butte
Pasture, on the south side of Nelson Avenue, east of the bridge across the Thermalito Forebay, Thermalito.
67
Comment
CHSC36434
Navarretia subuligera
D. H. Ikeda
1980-5-31
390
Butte
Cohasset Ridge, s of Cohasset.
426
Comment
CHSC81287
Navarretia tagetina
J. Trizzino
2001-4-25
57
Butte
Oro-Chico Highway, 0.5 mi east of Mesa Drive, south side of road.
53
Comment
OBI05727
Navarretia viscidula
H. F. Copeland
1932-6-24
Butte
Near Hog Springs, about 5 miles north of Chico, on the Humboldt Road.
Comment
CHSC46823
Nemacladus capillaris
R. A. Schlising; R. Banchero
1981-6-16
4083
Butte
Cohasset, 0.3 mi S of junction with Vilas Road, on Cohasset Road.
646
Comment
SEINET12329565
Nemacladus interior
Unknown
1984-1
4669
Butte
At the Ponderosa Dam, ca 2 mi NW of Forbestown;along dirt road to the generator on the N side of
370
Comment
CHSC31114
Nemophila heterophylla
Leslie Steidl
1980-4-3
13
Butte
Ca. .5 mi nw of Lumpkin Rd. on Island Bar Hill Rd., and 3 ft w of Island Bar Hill Rd., 22 mi ene of Oroville.
731
Comment
CHSC694
Nemophila heterophylla
E. Hembree
1929-3-5
Butte
Salmon Hole.
152
Comment
HSC43096
Nemophila heterophylla
Maralyn O'Meara
1974-4-20
3000
Butte
Table Mtn.
305
Comment
SEINET10837217
Nemophila heterophylla
Mary Susan Taylor
1973-1
Taylor 61
Butte
Upper Bidwell Park, Chico. Associates: Stipa pulchra, Lasthenia chrysostoma, Layia fremontii.
61
Comment
CHSC10570
Nemophila menziesii
Lowell Ahart
1965-4-15
Butte
Swedes Flat Road.
60
Comment
CHSC2522
Nemophila menziesii
W. Fitzwater
1958-4-19
Butte
Chico Canyon, Chico area.
365
Comment
SFV12282
Nemophila menziesii
G. D. Ames
1962-4-8
89
Butte
Lave outcropping on Table Mountain, north of Oroville.
Comment
CHSC101081
Nemophila pedunculata
Lowell Ahart; John Dittes
2009-3-20
15499
Butte
Open area along the Guardian Rock Trail, about 150 yards southwest of the Ten Mile House Road Trail, about 300 yards west of Highway 32, west of the intersection of Highway 32 and Ten Mile House Road, Upper Bidwell Park, about 10 miles northeast of Chico.
407
Comment
CHSC39933
Nemophila pedunculata
M. S. Taylor; L. Ahart, J. Jokerst
1984-4-6
5400
Butte
Ca. 0.5 mi N of Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 3 mi S of Paradise.
Comment
JEPS107353
Nemophila pedunculata
Lowell Ahart, Paul Maslin, John Dittes
2005-3-17
11678
Butte
Big Chico Creek Ecological Reserve. On the east side of Chico Canyon Road, about 1 mile (air) west of Highway 32, about 7 miles (air) northeast of Chico
236
Comment
RSA769605
Nemophila pedunculata
L. Ahart, John Dittes
2009-3-20
15499
Butte
Open area along Guardian Rock Trail, about 150 yards southwest of the Ten Mile House Road Trail, about 300 yards west of Highway 32, west of the intersection of Highway 32 and Ten Mile House Road, Upper Bidwell Park., About 10 miles northeast of Chico.
407
Comment
CHSC70797
Nemophila spatulata
B. Castro
1995-5-18
570
Butte
Ca 2 air mi N of Feather Falls, towards western end of Watson Ridge, in meadow at the old Watson Cabin site, north of USFS Rd 21N25. In upper third of meadow, in very moist soil just downslope from spring.
1109
Comment
SD4034
Nemophila spatulata
E. B. Copeland
1930-6-28
Butte
Jonesville
1650
Comment
CHSC115431
Nerium oleander
Ariana Gehrig
2013-5-9
Butte
City of Chico. Near campus.
64
Comment
CAS-BOT-BC231529
Nicotiana glauca
Lowell Ahart
1981-7-18
2942
Butte
Burrow area 4.5 miles southwest of Oroville
35
Comment
CDA3528
Nymphaea odorata
G. D. Barbe
1975-6-4
2030
Butte
Between Nelson West Road and Pacific Gas & Electric reservoir, 1/4 mile east of Chico/Butte City Highway.
0
Comment
UCD137748
Nymphaea odorata
T. C. Fuller
1969-8-19
18816
Butte
N. side of Nelson West Rd., just east of Chico-Butte City Road, dodge Land.
Comment
JEPS22684
Odontostomum hartwegii
Rimo Bacigalupi with Drs. Herbert and Lucille Mason
1958-4-24
6323
Butte
1 mi. n. Chico airport (along Cohasset Rd., drainage of Mud Creek)
91
Comment
CAS-BOT-BC71180
Ophioglossum californicum
Lowell Ahart
1982-12-1
3900
Butte
On the Joy Osgood Ranch about 4 miles ne. of Honcut
85
Comment
SEINET8380139
Oreostemma alpigenum
Hayes, Warner
1977-11-9
71
Butte
ca. 10 m n of Humbolt Rd., exactly 6.9 mi from the turn to Butte Meadows along Hwy 32.
1219
Comment
CHSC26855
Oreostemma alpigenum var. andersonii
M. S. Taylor; M. Hayes
1978-6-24
1667
Butte
On N side of Old Humboldt Rd, across from Butte Meadows.
1371
Comment
CHSC48642
Orobanche fasciculata
Vernon Oswald
1984-6-7
1256
Butte
Between Chico and Forest Ranch on an abandoned section of old Hwy 32, 9.9 mi n-e of Hwy 99.
487
Comment
CAS-BOT-BC499845
Orobanche fasciculata
C. R. Quick
1951-6-5
51 -89
Butte
13 mi from Chico on Deer Creek Road
Comment
SEINET12326947
Orthocarpus attenuatus
S. C. Joslin
1978-1
6
Butte
ca 5 mi E of Chico on Humbug Rd ca 0.75 mi W of intersection with Hwy 32
244
Comment
RSA34067
Orthocarpus campestris
A. A. Heller
1939-5-13
15078
Butte
On US Highway 99E near the 'Y' east of Richvale. Topotype.
Comment
RSA325140
Orthocarpus lacerus
M. S. Taylor, Vernon H. Oswald
1984-4-4
5393
Butte
S side of Humbug road, 2 miles SW of Nimshew, 12 air miles NE of Chico.
Comment
CAS-BOT-BC316885
Packera eurycephala var. lewisrosei
John Thomas Howell
1978-4-18
52847
Butte
Magalia
731
Comment
CAS-BOT-BC316895
Packera eurycephala var. lewisrosei
John Thomas Howell
1962-6-16
37555
Butte
Magalia
731
Comment
CHSC94263
Packera subnuda var. subnuda
Lowell Ahart
2006-7-16
12978
Butte
In the west edge of a large wet meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1569
Comment
CHSC28619
Panicum acuminatum
M. S. Taylor
1979-10-3
2218
Butte
In Butte Creek Canyon, ca. 1/4 mi upstream from bridge crossing Butte Creek at Helltown Rd, ca. 15 mi e of Chico.
243
Comment
CHSC4392
Panicum acuminatum var. acuminatum
V. Hagaman
1966-5-21
Butte
Alligator Hole in Upper Bidwell Park just n of stream-on bank.
Comment
CHSC71269
Panicum acuminatum var. acuminatum
Lowell Ahart
1998-7-1
8019
Butte
South margins of a stream, below or west of a large seep, west of the lone oak tree, west of the cow chute on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
396
Comment
JEPS115994
Panicum acuminatum var. acuminatum
Lowell Ahart
2009-6-3
15832
Butte
On the east side of Big Chico Creek, southwest of the meadow, about 30 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
209
Comment
CHSC62319
Panicum capillare
B. Castro
1990-10-11
438
Butte
Midway between Chico, Paradise and Oroville, ca 0.75 mi NW of 'Pentz', N and W of jcn Pentz and Messilla Valley Roads. In springs at base of W slope of Sausage Mtn.
164
Comment
CHSC116140
Panicum dichotomiflorum subsp. dichotomiflorum
Lowell Ahart
2015-10-26
20606
Butte
Strand of Lake Oroville, on west side of West Branch of Feather River,about 1 mile (air) southeast of Kunckle Reservoir, about 5 miles (air) southest of Paradise.
207
Comment
JEPS124344
Panicum dichotomiflorum subsp. dichotomiflorum
Lowell Ahart
2015-10-26
20606
Butte
About 1 mile (air) of southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise.
Comment
CDA6386
Parentucellia viscosa
L. P. Janeway
2005-5-9
8384
Butte
Northern Sierra Nevada Foothills; Northwest side of Highway 10, 0.6 km southwest of Pentz Road.
Comment
CHSC36099
Parnassia palustris
R. A. Schlising; K. Tarp
1982-7-24
4337
Butte
E of Stirling City at West Branch of the Feather River, below Diversion Dam on Retson Road.
975
Comment
CHSC8569
Parthenocissus quinquefolia
M. MacArthur
1968-6-12
369
Butte
On wall on N side of LS building, Chico State College campus.
60
Comment
CHSC5943
Parthenocissus tricuspidata var. veitchi
M. MacArthur
1968-6-17
187
Butte
On NW wall of Life Science bld., Chico State College campus.
60
Comment
JEPS116029
Paspalum dilatatum
Lowell Ahart
2009-6-30
15969
Butte
On dry soil, on the east side of Ten Mile House Road, about 30 miles east of Big Chico Creek, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
234
Comment
UC618996
Paspalum dilatatum
H. S. Yates
1936-8-19
6128
Butte
2 mi sse Nelson; Chico Quad.
Comment
CHSC78964
Paspalum distichum
Lowell Ahart
2000-10-2
8697
Butte
Northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) soutwest of Chico.
32
Comment
SEINET10453506
Paxistima myrsinites
Lowell Ahart
1983-3-28
Ahart 3909
Butte
E bank of Woodleaf Creek above the rd, ca. 3/8 mi sw of Forbestown Reserv., ca. 4 mi ne of Forbestown. Yellow Pine Forest.
450
Comment
UCD80146
Pectocarya pusilla
CNPS SN Foothill Team
2005-3-22
SNFN 0063 a
Butte
CDPR Oroville State Recreation Area, just south of a state park utility road out to water tanks. This road heads southwest from Highway 162, just N of junction with Forbestown Road.
329
Comment
CHSC3535
Pedicularis densiflora
John Francis
1966-4-6
83
Butte
0.3 mi from intersection of Pentz-Magalia Rd. and Nelson Bar Rd., on Nelson Bar Rd.
Comment
CAS-BOT-BC69332
Pellaea brachyptera
Lowell Ahart
1985-6-17
5054
Butte
1 1/2 miles east of Camp 18, about 8 miles northeast of Feather Falls
701
Comment
CHSC3223
Pellaea mucronata
Virginia Hagaman
1966-3-28
93
Butte
On Table Mountain.
Comment
CHSC40635
Pellaea mucronata
Ahart; Jokerst
1985-3-24
4855
Butte
Serpentine Point, west of Yankee Hill.
550
Comment
SEINET10529800
Pellaea mucronata
Mary Susan Taylor
1980-7-20
Taylor 3193
Butte
Big Bald Rock, ca. 3 mi E of Lake Mad rone, NE of Oroville. With L. Ahart, R. Schlising & J. Jokerst.
998
Comment
SEINET10834167
Pellaea mucronata
Mary Susan Taylor
1981-1-5
Taylor 3369
Butte
T21N R4E sw sec 6. Cherokee quad. Ca. 100 ft e of Pentz-Magalia Hwy, ca. 1 mi s of Kunkle Reservoir, ca. 3 mi s of Paradise. Foothill Woodland and Savannah; 1350 ft.
411
Comment
CHSC29023
Pellaea mucronata var. californica
M. S. Taylor; J. D. Jokerst, L. Ahart
1980-4-4
2432
Butte
S side of Swedes Flat Rd, and e side of Rocky Honcut Creek, ca. 2 mi e of Oroville Bangor Hwy, ca. 10 mi se of Oroville.
365
Comment
CHSC32636
Pellaea mucronata var. californica
M. S. Taylor; L. Hanson
1981-4-2
3478
Butte
NNW of Sawmill Peak, off Jordan Hill Rd/Ponderosa Way, ca. 1 air mi ne of Magalia.
701
Comment
UC122749
Pellaea mucronata var. mucronata
Mrs. R. M. Austin
May 1879
83
Butte
hills near Cold Canyon
Comment
UC1605504
Pellaea mucronata var. mucronata
T. A. Ranker and P. G. Trapp
1994-6-17
1623
Butte
s of Paradise (Pence Rd, along pipeline below Kunkel Reservoir); Cherokee Quadrangle 7.5 min topo. map
395
Comment
RSA285683
Penstemon azureus subsp. angustissimus
D. C. Michener
1980-8-4
3776
Butte
Sierra Nevada. Talus slopes long CA 70 in open Pinus, chaparral transition ca 4 miles south of Pulga. Feather River Canyon
Comment
SEINET10931288
Penstemon azureus subsp. angustissimus
Mary Susan Taylor
1981-5-11
Taylor 3688
Butte
T22N R5E ne sec 6, Pulga quad. N side of Feather River Hwy 70, at jct with Pulga Rd and Pulga bridge, in rocky red serpentine cliff. 1600 ft.
488
Comment
UC1012234
Penstemon azureus var. angustissimus
F. W. Pennell and A. A. Heller
1940-6-5
25678
Butte
Route 24, 10-12 mi above Oroville (along Feather River); , above Oroville
182
Comment
POM252806
Penstemon azureus var. azureus
A. A. Heller
1938-5-28
15117
Butte
25 miles from Oroville on Feather River Hwy.
Comment
SD4575
Penstemon gracilentus
E. B. Copeland
1930-7-6
457
Butte
Above Jonesville, open damp stony ground
1950
Comment
CHSC49030
Penstemon laetus var. leptosepalus
Vernon Oswald
1983-7-6
806
Butte
Calif. Hwy. 32, 6.3 mi n-e of Forest Ranch.
1036
Comment
POM195087
Penstemon laetus var. leptosepalus
D. D. Keck
1930-7-24
972
Butte
Near Chaparral.
1646
Comment
RSA718790
Penstemon laetus var. leptosepalus
L. P. Janeway
2006-6-25
8697
Butte
Along a major dirt road 2.6 km south of Stirling City towards West Branch Feather River crossing.
1006
Comment
SD4632
Penstemon laetus var. leptosepalus
E. B. Copeland
1929-7-14
455
Butte
Jonesville, pine and fir woods
1550
Comment
CHSC11885
Penstemon neotericus
E. B. Copeland
1929-7-13
456
Butte
Jonesville.
1650
Comment
UC195476
Penstemon neotericus
A. A. Heller
1914-6-22
11485
Butte
on edge of a n slope at Little Summit Little Summit
1463
Comment
UC423641
Penstemon neotericus
David D. Keck
1930-7-24
971
Butte
near Chaparral; Sierra Nevada, near Chaparral
1645
Comment
CHSC44700
Penstemon newberryi
R. Banchero
1980-7-2
278
Butte
Upper Butte Creek, Ca 2.5 mi directly W of Inskip.
896
Comment
SEINET10548068
Penstemon newberryi
Mary Susan Taylor
1980-8-2
Taylor 3217
Butte
T27N R5E center sec 32, Jonesville quad. Humboldt Peak, N tip of the county.
2155
Comment
CHSC3994
Pentagramma triangularis
A. K. Revard
1967-4-15
2
Butte
3 yd. On s of kirt roadside ca. 0.3 mi up from Cohasset Hwy., and ca. 3.3 mi n on Cohasset Hwy. From the Richardson Springs Rd.
Comment
CHSC46035
Pentagramma triangularis subsp. semipallida
Lowell Ahart
1978-4-19
1655
Butte
Along the edge of the Feather Falls trail, about 4 miles north of Feather Falls.
548
Comment
JEPS106113
Pentagramma triangularis subsp. triangularis
Lowell Ahart
2004-6-22
11119
Butte
On the east side of Doe Mill Road, about 1/4 mile southeast of the bridge across Butte Creek, about 2 1/4 miles (air) southeast of Forest Ranch, about 5 miles (air) west of Stirling City
628
Comment
RSA769682
Pentagramma triangularis subsp. triangularis
L. Ahart
2009-4-22
15564
Butte
South side of Guardians Trail, about 50 yards west of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
382
Comment
CHSC117763
Perideridia bacigalupii
L. P. Janeway
2016-8-11
12151
Butte
Northern High Sierra Nevada. Plumas National Forest; at the junction of Ponderosa Way and Road 19N19; between Sunset Hill and South Fork Feather River arm of Lake Oroville. Moderate west-facing slope; mixed conifer forest but open canopy due to 2015 wildfire.
740
Comment
SEINET13944948
Perideridia bolanderi
A. A. Heller
1914-1
11572
Butte
Volcanic hills 5 miles east of Oroville in the Digger pine belt.
Comment
SEINET13095371
Perideridia bolanderi subsp. involucrata
Unknown
1967-6-21
3778
Butte
Road to Magalia 1.8 miles N of Pentz Store.
137
Comment
CHSC77418
Perideridia kelloggii
Laura Bogni
1997-4-5
22
Butte
Magalia grove. West side of Coutelenc Rd.; 1 mi. due W of Sawmill Peak; 1/2 mi. SE of Magalia Reservoir.
701
Comment
CHSC40234
Perideridia lemmonii
Vernon Oswald
1985-6-15
1836
Butte
Black Bart Rd., ca. 1.5 mi se of Lumpkin Rd.
655
Comment
RSA459108
Perideridia parishii subsp. latifolia
H. F. Copeland
1928-8-29
1064
Butte
Neighborhood of Jonesville, canyon of Jones Creek.
1829
Comment
CHSC66166
Persicaria amphibia
Vernon H. Oswald; Lowell Ahart
1996-5-27
7672
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. Large colonies in a ditch between Seven Mile Lane and Tract 6, Santuary II, just N of the equipment parking lot.
32
Comment
CHSC50681
Persicaria hydropiper
Lowell Ahart
1990-6-16
6521
Butte
Growing on wet mud along McCabe Creek, below the high water line at Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville.
243
Comment
CHSC51525
Persicaria hydropiperoides
M. Bailey
1990-10-16
418
Butte
North side of man-made pond #3, Butte College campus.
Comment
CHSC66674
Persicaria hydropiperoides
Vernon H. Oswald; Lowell Ahart
1996-7-22
8082
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Abundant in wet mud on the bottom of a drying slough on the W side of the levee at the SW corner of Tract 6, Sanctuary I.
30
Comment
CHSC1345
Persicaria lapathifolia
V. Holt
1940-7-16
Butte
W. Sacramento Ave., Chico.
54
Comment
CHSC42054
Persicaria lapathifolia
Lowell Ahart
1986-11-9
5452
Butte
On the bottom of a pond, about 1/10 mile sout of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville.
36
Comment
CHSC94597
Persicaria lapathifolia
Lowell Ahart
2006-9-11
13289
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville.
431
Comment
CHSC38691
Persicaria maculosa
Vernon Oswald
1983-5-8
452
Butte
Upper Bidwell Park, Chico, at the s-w corner of the Omicron Plot ca. 500 ft e of the junction of Wildwood Ave. and Upper Park Rd.
85
Comment
CAS-BOT-BC419171
Persicaria maculosa
Lowell Ahart
1982-10-6
3845
Butte
Along the edges of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 3 miles east of Honcut
50
Comment
CAS-BOT-BC419178
Persicaria maculosa
A. A. Heller
1914-8-20
11690
Butte
Hills 8 miles north of Oroville. Along Dry Creek about 5 miles south of Pentz
Comment
CHSC101313
Petrorhagia dubia
Lowell Ahart
2009-4-22
15573
Butte
West side of Guardians Trail, south side of the drainage just north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
381
Comment
CHSC31637
Phacelia cicutaria
Lowell Ahart
1974-4-14
403
Butte
Peter Ahart Ranch, Honcut.
45
Comment
UC726927
Phacelia cicutaria var. cicutaria
A. A. Heller
1942-4-26
16435
Butte
steep slope...overlooking a deep gorge where the road begins to descend toward Oroville after leaving the...summit of Table Mountain
Comment
UC1228320
Phacelia imbricata
L. R. Heckard
1953-4-27
342
Butte
along Feather River hwy just below Las Plumas Rd
182
Comment
CHSC39106
Phacelia mutabilis
R. A. Schlising; K. Tarp
1983-8-12
4440
Butte
N part of county, E of Philbrook Reservoir on road to Carr Mine.
1981
Comment
CHSC11968
Phacelia procera
E. B. Copeland
1930-7-11
447
Butte
Jonesville. Local on open ground, near Butte Creek.
1550
Comment
SEINET12332635
Phacelia purpusii
L. P. Janeway
1988-1
2795
Butte
W-facing slope above W BR Butte Cr, 0.6 mi S of Lomo along road through Cedar Cr
1219
Comment
POM219385
Phacelia racemosa
H. F. Copeland
1931-6-9
1538
Butte
Jonesville, near Jones Creek.
1524
Comment
UC196274
Phacelia ramosissima var. ramosissima
A. A. Heller
1914-7-2
11517
Butte
Canyon of Big Chico Creek
76
Comment
CAS-BOT-BC265845
Phalaris brachystachys
A. A. Heller
1902-5-3
5446
Butte
Near Nelson
Comment
CHSC61545
Phalaris lemmonii
Lowell Ahart
1993-5-15
6943
Butte
Rice field, east of the Cherokee Canal and north of the Biggs Princeton Road, about 3 miles west of Biggs.
30
Comment
CHSC65996
Phalaris lemmonii
Vernon H. Oswald
1996-4-20
7400
Butte
Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the S paddock of Tract 7, Sanctuary II.
32
Comment
UCD88990
Phalaris lemmonii
H. A. Hannesson; R. N. Raynor
1941-5-9
s.n.
Butte
10 miles S of Oroville on Marysville Road.
Comment
CHSC2174
Phalaris paradoxa
H. Silberman; D. Isaac
1949-5-19
Butte
Grey Lodge State Game Refuge.
24
Comment
CHSC66974
Phalaris paradoxa
James D. Jokerst; Barbara Castro
1992-5-19
3354
Butte
Cascade Range Foothills. Unnamed canyon N of Nugen Canyon on the S side of Neal Rd. near the Butte County Sanitary Landfill.
76
Comment
UC204880
Phalaris paradoxa
A. A. Heller
1914-5-13
11391
Butte
near Nelson
Comment
CHSC37631
Philadelphus lewisii
T. B. Devine
1979-10-5
598
Butte
Feather River Canyon, 3/4 mi S of Arch Rock Tunnel, S of Hwy 70 adjacent to PG and E rest stop, along Bear Ranch Creek.
548
Comment
CHSC28558
Phleum pratense
M. S. Taylor
1978-7-21
1814
Butte
On s side of Oroville-Quincy Hwy along a creek in a meadow, ca. 14 mi n of Lake Madrone.
548
Comment
CHSC35095
Phlox speciosa subsp. occidentalis
R. A. Schlising
1980-6-23
3760
Butte
Southeast part of county, 3.4 miles N and W of Forbestown.
890
Comment
CHSC33801
Phoradendron libocedri
M. S. Taylor
1981-4-8
3509
Butte
On serpentine, N side of spur rd, ca. 1/3 mi w of its jct with Ponderosa Way, ca. 5 mi n of its jct with Hwy 70 at Jarbo Gap, ca. 20 air mi n of Oroville.
883
Comment
CHSC116304
Phoradendron serotinum subsp. macrophyllum
Lowell Ahart
2015-11-18
20667
Butte
On the west side of the Feather River, about 1/2 mile south of Palm Avenue, about 1 1/2 miles southeast of the intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley.
26
Comment
CHSC31465
Phoradendron villosum
M. S. Taylor
1981-1-5
3373
Butte
Ca. 100 ft e of Pentz-Magalia Hwy, ca. 1 mi s of Kunkle Reservoir, ca. 3 mi s of Paradise.
411
Comment
CHSC1932
Physalis acutifolia
V. Holt
1935-10-1
Butte
Ord road. Ditch near alfalfa field.
Comment
CHSC117423
Physalis lancifolia
Lowell Ahart
2016-5-30
20891
Butte
North of Little Pump, Peter Ahart Ranch, about 2 1/2 miles north and 1/2 mile east of Honcut, about 12 miles (air) south of Oroville.
30
Comment
UCR133596
Physalis lancifolia
H. F. Copeland
1923-8-13
809
Butte
Nelson, Railroad Right of Way
37
Comment
CDA34619
Phytolacca americana
L. Ahart, John Dittes, Josephine Guardino
2008-11-8
15435
Butte
On the south side of the gravel road and Big Chico Creek, about 30 yards east of the end of Chico Canyon Road, Upper Bidwell Park, Chico.
Comment
CHSC102989
Phytolacca americana
Lowell Ahart
2009-8-13
16280
Butte
West end of a picnic area, on the north side of the channel, about 140 yards east of the diversion structure that controls Mud Creek diversion and Lindo Channel, about 40 yards northwest of Big Chico Creek, Upper Bidwell Park, Chico.
68
Comment
CHSC43857
Pilularia americana
Vernon Oswald
1988-3-14
3256
Butte
Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek.
45
Comment
CHSC6641
Pinus
M. MacArthur
1968-6-13
366
Butte
Chico State College campus.
60
Comment
NY34619
Pinus attenuata
R. C. Walsh
1987-7-7
297
Butte
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
CAS-BOT-BC78936
Pinus monticola
A. A. Heller
1915-6-26
12033
Butte
Summit of the Sierra Nevada above Jonesville
2133
Comment
SD14
Pinus monticola
E. B. Copeland
1929-7-17
Butte
above Jonesville, on summit ridges and north slopes
2000
Comment
CHSC3901
Pinus ponderosa
R. Carter
1967-7-31
501
Butte
Found ca. 17 mi. NE of Oroville on W side of Big Bald Rock and E side of Bald Rock Rd. where road turns off to campground.
1066
Comment
SDSU1998
Pinus sabiniana
Harvey
1939-7-30
2512
Butte
Near Oroville
Comment
CHSC103965
Piperia elongata
Lowell Ahart
2010-5-7
16618
Butte
On the north side of a trail, west of disk golf area, on a ridge about 350 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
353
Comment
CHSC65869
Piperia transversa
L. P. Janeway
1995-7-16
4862
Butte
Along Jordan Hill Road 0.3 mi south of the turn to Sawmill Peak Lookout; about 2 mi east of Magalia.
929
Comment
CHSC102375
Pistacia vera
L. P. Janeway
2009-10-13
9950
Butte
Upper Bidwell Park, Chico; south side of Big Chico Creek, along South Rim Trail/Annie Bidwell Trail 155 m east-northeast of its start at the east end of Centennial Ave. and Chico Canyon Road.
87
Comment
SEINET10899935
Pityrogramma triangularis var. semipallida
Mary Susan Taylor
1979-3-20
Taylor 1958
Butte
T21N R4E nw1/4 sec. 21. Cherokee Quad. Along old road on N side of Hwy 70 following West Branch of the Feather River, which begins at S side of bridge over N fork of Feather River, ca. 10 mi N of Oroville; limestone outcrops within Foothill Woodland.
305
Comment
CHSC111351
Plagiobothrys austiniae
Lowell Ahart
2012-5-4
17982
Butte
On damp bare soil, on the bottom and sides of a small vernal pool, on the south rim of Beatson Hollow, about 1/2 mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
351
Comment
CHSC7044
Plagiobothrys fulvus var. campestris
J. G. Moore
1969-3-25
135
Butte
Upper Bidwell Park, 200 yds. w of rifle range 100 yds. n of entrance to golf course.
67
Comment
JEPS123819
Plagiobothrys fulvus var. campestris
Lowell Ahart
2015-4-18
20050
Butte
About 1 1/2 miles southwest of the intersection of Robinson Mill Road and Forbestown Road, about 12 miles (air) southeast of Oroville.
Comment
UCD80148
Plagiobothrys fulvus var. campestris
CNPS SN Foothill Team
2005-4-14
SNFN 0033 a
Butte
Private Rock Ranch. Plot is located in the horse pasture, near the NE corner of the pasture located west of the barn and house, ~10 m from corner of pasture fence.
105
Comment
JEPS124229
Plagiobothrys glyptocarpus var. glyptocarpus
Lowell Ahart
2015-3-27
19974
Butte
About 400 yards southeast of Coal Canyon Falls, about 1 1/2 miles (air) northwest of the improved parking area, North Table Mountain, about 8 miles north of Oroville.
Comment
POM71620
Plagiobothrys glyptocarpus var. glyptocarpus
C. C. Bruce
1898-05
1928
Butte
[No locality information provided]
Comment
UC671791
Plagiobothrys hispidulus
H. F. Copeland
1938-7-4
Butte
Jonesville
Comment
CHSC103988
Plagiobothrys nothofulvus
Lowell Ahart
2010-5-14
16672
Butte
Along the trail, near the south park fence, about 1/2 mile west of the entrance to the Disc Golf Area, west of Highway 32, Upper Bidwell Park, about 4 1/2 miles (air) northeast of Chico.
257
Comment
UCD120930
Plagiobothrys nothofulvus
Michael A. Vincent; Ethan H. Freid
1998-4-6
8111
Butte
Table Mountain.
Comment
JEPS106005
Plagiobothrys scriptus
Lowell Ahart
2004-4-4
10715
Butte
Bottom of a vernal pool, about 250 yards east of Wilber Road, northeast of the high hill crossed by Wilber Road, pasture, about 3 miles (air) west of Thermalito
48
Comment
CDA40661
Plagiobothrys stipitatus
T. C. Fuller
1958-4-15
4794
Butte
Highway 99E, 10 miles northwest of Chico.
0
Comment
UC52288
Plagiobothrys stipitatus
Mrs. R. W. Summers
Butte
Comment
CHSC104001
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2010-6-20
16819
Butte
Bottom of Wyandotte Creek, under the government pole line, about 1 mile east of Palermo Honcut Highway, Guidci Ranch, about 7 miles (air) southeast of Oroville.
47
Comment
CHSC115366
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2015-4-24
20063
Butte
Bottom and sides of a large duck field, 50 yards southeast of Parking Lot 1, about 1 1/4 miles north of Rutherford Road, Gray Lodge Wildlife Area, about 6 1/2 miles (air) southwest of Gridley.
19
Comment
CHSC77981
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2000-5-13
8352
Butte
In the mudhole of a poor dirt road, on the south side of the access road to the boat ramp at the Thermalito Afterbay, west of Larkin Road, about 1 1/4 miles south of the Oroville Airport, about 5 miles (air) southwest of Oroville.
42
Comment
UCD80162
Plagiobothrys stipitatus var. micranthus
CNPS SN Foothill Team
2005-4-12
SNFN 0077 c
Butte
City of Chico, Doe Mill Meadowfoam Preserve, about 200 m SE of the end of Warfield Street (i.e. where the street crosses an old unusable bridge across a diversion canal).
87
Comment
UC66153
Plagiobothrys tenellus
A. A. Heller and H. E. Brown
1902-5-9
5509
Butte
near Clear Creek; Berry Canyon
Comment
CHSC108776
Plantago coronopus
L. P. Janeway
2011-4-26
10238
Butte
Sacramento Valley. Oroville; in gravel parking area at east side of Feather River Ranger District office (875 Mitchell Ave.).
59
Comment
CHSC42706
Plantago coronopus
Lowell Ahart
1987-6-9
5745
Butte
On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
SEINET10968933
Plantago coronopus
Mary Susan Taylor
1982-4-28
Taylor 4346
Butte
T17N R1E se/s sec 13. Pennington quad. Graylodge Waterfowl Refuge, n side of Rutherford Rd, 1/8 mi w of Pennington Rd, ca. 12 mi sw of Gridley. 70 ft.
21
Comment
CHSC110440
Plantago elongata
B. Castro
2007-3-29
1618
Butte
Sacramento Valley. Ca 0.9 mi SE of Chico Airport, N of Sycamore Creek and E of Cohasset Rd. Around edges of distinct but shallow, flat-bottomed vernal pool, ca 80 ft E of Cohasset Rd and 50 ft N of Levell Along Sycamore Creek.
57
Comment
CHSC37404
Plantago elongata
A. R. Ratcliff; R. A. Schlising
1980-4-6
3547
Butte
Jct Chico-Oroville Road, about 5 mi s of Chico.
53
Comment
JEPS119614
Plantago elongata
Lowell Ahart
2012-4-9
17835
Butte
West of South Rim Trail, south part of Upper Bidwell Park, about 2 1/4 miles (air) northeast of Chico.
Comment
CHSC31163
Plantago erecta
M. S. Taylor
1980-3-1
2353
Butte
On bluffs overlooking Hamlin Canyon, ca. 1/2 mi se of Neal Rd, ca. 2 mi sw of Paradise.
301
Comment
CHSC4071
Plantago erecta
H. E. Lindahl
1967-4-2
13
Butte
Located 1/2 mi. s and 100 yards w of forks of dry creek Pentz.
152
Comment
RSA754583
Plantago erecta
L. Ahart
2009-4-22
15584
Butte
W side of Guardians Trail, about 100 yards N of Pine Trail, Upper Bidwell Park, W of the intersection of Highway 32 and Ten Mile House Road, about 10 miles NE of Chico.
382
Comment
UCD124483
Plantago erecta
M. S. Taylor
1981-4-21
3549
Butte
south side of Concow Road, on ridge, ca. 0.5 mile south of its junction with Ponderosa Way (rim road), ca. 2 miles north of Lake Concow, ca. 20 air miles northeast of Oroville.
853
Comment
CHSC115413
Plantago lanceolata
M. Rogers
2013-5-14
Butte
Oroville, Brad Freeman Tail off Oro Powerhouse Road next to the spillway.
80
Comment
JEPS88267
Plantago lanceolata
Vernon H. Oswald and Lowell Ahart
1996-5-27
7666
Butte
U.S. Fish & Wildlife Service parcel between 7 Mile Lane & Sacramento R. Sacramento R. Nat'l Wildlife Refuge (in the s. paddock of Tract 7, Sanctuary II, Llano Seco Unit); , Llano Seco Unit
32
Comment
CHSC103113
Platanus racemosa
Lowell Ahart
2009-8-23
16296
Butte
On the west side of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
209
Comment
CHSC20549
Platanus racemosa
M. S. Taylor
1975-7-4
829
Butte
Along Big Chico Creek, Five Mile, Upper Bidwell Park, Chico.
76
Comment
SEINET12030014
Platanus racemosa
Unknown
1984-1
4535
Butte
along North Honcut Creek, ca 1 mi N & 2.7 mi E of Honcut, on Peter Ahart Ranch
50
Comment
CHSC2383
Platystemon californicus
R. Carter
1965-3-23
173
Butte
Found ca. 7 mi. NW of Chico along E side of Hicks Ln. 25 mi. S of Keefer Rd., ca 10 yds. S of bridge, along roadside.
76
Comment
CHSC35652
Platystemon californicus
R. E. Preston
1982-4-7
236
Butte
Ca. 10 ft above high water mark, w branch Feather River arm of Lake Oroville, ca. 1 mi. n of Nelson Bar launch ramp, ca 4 mi sw of Paradise.
304
Comment
CHSC3659
Platystemon californicus
Robert D. Briggs
1966-4-12
R- 120
Butte
3 miles south of downtown Chico.
Comment
CHSC3808
Platystemon californicus
L. E. Dunkel
1965-4-20
28
Butte
Along road bank 1.5 mi n of main entrance gate to Chico Municipal Airport.
35
Comment
CAS-BOT-BC91594
Platystemon californicus
Ira L. Wiggins
1925-3-22
1492
Butte
At roadside about one mile below Five Mile Dam on Chico Creek. Three miles above Chico.
Comment
CAS-BOT-BC458147
Pleuricospora fimbriolata
E. B. Copeland
1937-12-1
s.n.
Butte
Jonesville
Comment
SEINET10449169
Pleuricospora fimbriolata
Lowell Ahart
1985-7-16
Ahart 5148
Butte
South of Willow Creek, about 100 m south-west of the Section Corner of Sections 17, 16, 20 and 21, about 4 miles east of Cherry Hill, about 7 miles north-east of Butte Meadows.
Comment
CAS-BOT-BC255684
Poa bolanderi
A. A. Heller
1917-7-29
12868
Butte
Summit above Jonesville
2133
Comment
CAS-BOT-BC254920
Poa bulbosa
Lowell Ahart
1979-4-3
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
CHSC31703
Poa pratensis
L. Ahart
1977-5-2
1348
Butte
Near North Honcut Creek, 3 mi ne of Honcut.
60
Comment
SACT001941
Poa pratensis
Herbert Copeland
1929-5-10
Butte
In damp open places
1500.0
Comment
CAS-BOT-BC255234
Poa pringlei
E. B. Copeland
1931-6-22
606
Butte
Jonesville
2000
Comment
CHSC103982
Poa secunda subsp. secunda
Lowell Ahart
2010-5-14
16675
Butte
On the south side of the Guardian Trail, about 1/8 mile west of Highway 32, Upper Bidwell Park, about 5 miles (air) northweat of Chico.
301
Comment
HSC12182
Poa secunda subsp. secunda
P. Van?
1918-4-29
2059
Butte
Butte Creek about 4 mi. SE of Chico.
Comment
JEPS117717
Poa secunda subsp. secunda
Lowell Ahart
2010-5-14
16670
Butte
Open rocky flats near south park fence, about 1/4 mile west of the entrance to the Disc Golf Area, west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico
363
Comment
SEINET10663242
Poa sierrae
Lowell Ahart
2007-5-22
Ahart 13914
Butte
T21N, R6E, Section 28. About 1/8 mile south of Bald Rock Dome, on the west side of the Dome Trail, trail leads to the Middle Fork of the Feather River, about a mile by the trail from the trail head which is 3/10 mile east of Bean Creek Road, about 2 miles (air) northeast of Big Bald Rock, about 16 miles (air) northeast of Oroville.
844
Comment
CHSC31937
Poa wheeleri
J. D. Jokerst; L. Ahart, M. S. Taylor
1980-8-2
1047
Butte
Top of Hogback running NE of summit of Humboldt Peak, ca. 400 meters NE of summit. Northern most portion of Butte Co.
2133
Comment
CHSC33851
Pogogyne zizyphoroides
Don Kroessig
1979-4-16
1
Butte
On the e side of Hwy. 149, 1.3 mi. n of intersection with Hwy. 70, nw of Oroville.
76
Comment
SD111908
Pogogyne zizyphoroides
B. Ertter, Jeff Strachan
1980-5-5
3249
Butte
Peter Ahart Ranch, ca. 1.5 miles northeast of Honcut between Oroville and Marysville.
29
Comment
CHSC58938
Polygala cornuta
Lowell Ahart
1992-8-2
6913
Butte
East of the intersection, about 1/2 mile north of Flea Valley, about 4 1/2 (air) miles north-east of Concow Reservoir.
1158
Comment
UCD109713
Polygala cornuta
L. E. Hazeltine
1916-7-16
s.n.
Butte
Appleton.
Comment
SEINET10871692
Polygonum aviculare
Mary Susan Taylor
1978-7-21
Taylor 1793
Butte
Vicinity of Lake Madrone, at Oroville- Quincy Hwy turnoff, ca. 10 mi NE of Oroville; Yellow Pine Forest.
610
Comment
CAS-BOT-BC414193
Polygonum aviculare subsp. depressum
Lowell Ahart
1986-11-9
5453
Butte
About 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville
36
Comment
UC519233
Polygonum bidwelliae
J. E. Sowder
1933-6-2
1412
Butte
3 mi n Clear Creek; Chico Quad.
274
Comment
CAS-BOT-BC414364
Polygonum californicum
Lowell Ahart
1988-5-12
5996
Butte
About 1/2 mile north-east of the Honcut Cemetery, Joie Osgood Ranch, about 3 1/2 miles east and 1 1/2 miles north of Honcut
60
Comment
SEINET10479630
Polygonum californicum
Mary Susan Taylor
1975-9-19
Taylor 919
Butte
Ca. 0.5 mi N of Magalia, ca. 50 ft E of Skyway; serpentine area surrounded by Yellow Pine Forest.
610
Comment
CHSC45100
Polygonum douglasii subsp. douglasii
Lowell Ahart
1988-9-4
6182
Butte
On the bank of Big Kimshew Creek, the creek crosses a large meadow, about 1 air mile north-east of Jones Meadow.
1920
Comment
UC1509657
Polygonum hydropiper
L. Ahart
1982-10-6
3846
Butte
ca 3 mi ne Honcut; Peter Ahart Ranch, North Honcut Creek
50
Comment
UC600495
Polygonum minimum
H. F. Copeland
1928-7-18
1005
Butte
near Butte Creek; Jonesville
1524
Comment
JEPS108958
Polygonum punctatum
Lowell Ahart
2006-9-11
13291
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville
431
Comment
HSC72956
Polygonum spergulariiforme
M. S. Taylor
1980-9-19
3338
Butte
About 100 ft. S of Coulelenc Rd, about 500 ft. E of it's Jct. with the Skyway, Magalia
610
Comment
SD1351
Polygonum spergulariiforme
E. B. Copeland
1931-7-3
632
Butte
Jonesville, Colby Canyon
1550
Comment
CAS-BOT-BC420997
Polygonum spergulariiforme
H. F. Copeland
1920-8-24
218
Butte
Scotch John Meadow
Comment
CHSC34682
Polypodium calirhiza
M. S. Taylor
1980-4-1
2420
Butte
Along s side of Butte Creek, ca. 1/4 mi downstream from Honey Run Covered Bridge, ca. 6 mi e of Chico.
121
Comment
CHSC99322
Polypogon interruptus
Lowell Ahart
2008-5-12
14741
Butte
Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam.
258
Comment
JEPS107328
Polypogon interruptus
Lowell Ahart
2005-4-14
11720
Butte
Bottom of a deep drain ditch, about 200 feet east of the railroad tracks, north of Spruce Street, Gridley
28
Comment
JEPS122199
Polypogon interruptus
Lowell Ahart
2014-4-16
19369
Butte
On the sides but near the bottom of a large canal, about 100 yards north of East Gridley Road, on the west side of the Feather River, about 2 miles east of Gridley.
Comment
UCD51663
Polypogon interruptus
H. F. Copeland
1923-1
s.n.
Butte
near Nelson.
Comment
CAS-BOT-BC233207
Polypogon maritimus
A. A. Heller
1914-5-13
11398
Butte
Near Butte Creek between Durham and Nelson
Comment
CHSC45217
Polypogon monspeliensis
Lowell Ahart
1977-6-2
1399
Butte
Along the edge of North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
JEPS124285
Polystichum imbricans subsp. imbricans
Lowell Ahart
2015-10-24
20584
Butte
About 3 miles (air) north of De Sabla Reservoir.
Comment
SBBG119825
Polystichum imbricans subsp. imbricans
L. Ahart
2003-7-30
10459
Butte
N side of Bald Rock, S side of Bean Crk Rd, ca. 2 air mi SE of Brush Crk
1000
Comment
SEINET9625612
Polystichum munitum
E. B. Copeland
1931-6-10
s.n.
Butte
Ridge west of Willow Creek. Vicinity of Jonesville, Lassen National Forest.
503
Comment
UC176403
Populus fremontii subsp. fremontii
A. A. Heller
1913-4-4
10693
Butte
levee at Oroville; levee at Oroville
Comment
CHSC11790
Porterella carnosula
E. B. Copeland
1929-7-29
397
Butte
Above Jonesville.
1750
Comment
CHSC55813
Potamogeton diversifolius
Vernon H. Oswald; Lowell Ahart
1991-8-28
4856
Butte
Impoundment just south of the Clay Pit Area of the Oroville Wildlife Area, on the east side of Larkin Rd, ca. 2 miles south of Hwy 162, Thermalito. In a pond.
39
Comment
CHSC66688
Potamogeton foliosus var. foliosus
Vernon H. Oswald; Lowell Ahart
1996-7-22
8091
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the SW corner of Tract 3.2, Sanctuary II.
32
Comment
CHSC8774
Potamogeton gramineus
S. Chulasmai
1966-4-15
11
Butte
Lanniger Rd. (up to northern Chico). Stream, lake.
Comment
UC392231
Potamogeton gramineus
E. B. Copeland
1929-7-29
Butte
near Butte Creek House; Jonesville
1750
Comment
CHSC112658
Potamogeton nodosus
Lowell Ahart
2013-10-16
19114
Butte
Thermalito Afterbay, about 20 feet north of the base of the large rock levee, about 100 yards north of Larkin Road, about 4 miles (air) north of East Biggs.
49
Comment
SEINET6757838
Potamogeton pusillus subsp. tenuissimus
E. B. Copeland
1931-1
604
Butte
Jonesville
1650
Comment
CHSC48861
Potentilla glandulosa subsp. ashlandica
Vernon Oswald
1987-6-9
2967
Butte
Near the headwaters of Scotts John Creek, 3.3 mi n of the connector road between Humboldt and Humbug roads, ca. 4 mi ne of Jonesville.
1926
Comment
CHSC50421
Potentilla glandulosa subsp. reflexa
Vernon Oswald; Lowell Ahart
1990-6-27
4332
Butte
Rd 23N31 northwest of Four Trees Rd, between Four Trees and Coyote Gap.
1463
Comment
RSA4662
Potentilla gracilis var. fastigiata
E. B. Copeland
1929-7-24
372
Butte
Jonesville.
1550
Comment
JEPS122064
Potentilla rivalis
Lowell Ahart
2014-5-21
19527
Butte
South bank of river, where Sucker Creek flows into the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam.
Comment
JEPS110470
Prosopis glandulosa var. torreyana
Lowell Ahart, Mike G. Womack
2006-8-29
13240
Butte
Near pump 24, about 1/4 mile southwest of Parking Lot 9, about 1 1/2 miles east of Pennington Road, Gray Lodge Wildlife Area (Gray Lodge Waterfowl Management Area)
21
Comment
CHSC31789
Prunella vulgaris var. lanceolata
L. Ahart
1977-6-3
1407
Butte
Peter Ahart Ranch, Honcut. Along edges of North Honcut Creek.
50
Comment
CHSC775
Prunella vulgaris var. lanceolata
M. Underhill
1952-7-2
Butte
609
Comment
JEPS115360
Prunella vulgaris var. lanceolata
Lowell Ahart
2009-7-9
16010
Butte
On the east side of the dirt road which is Ten Mile House Road, Upper Bidwell Park about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
236
Comment
CHSC51228
Prunella vulgaris var. vulgaris
Lowell Ahart
1975-6-23
803
Butte
Growing along the edges of North Honcut Creek, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville.
53
Comment
JEPS121888
Pseudognaphalium beneolens
Lowell Ahart
2014-11-17
19909
Butte
Just below the high water line of Lake Oroville, about 50 yards west of the Enterprise Boat Launch Area, about 11 miles (air) northeast of Oroville.
Comment
SEINET2054141
Pseudognaphalium luteoalbum
Marc Mittleman
1980-8-1
221
Butte
Little Chico Creek, adjacent to China Garden Springs.
262
Comment
CHSC58903
Pseudostellaria jamesiana
Lowell Ahart
1992-7-21
6815
Butte
Under large fir trees, north-west of a snow lake, on the south side of Coon Hollow, about 2 (air) miles northeast of Philbrook Reservoir.
1737
Comment
CHSC45895
Psilocarphus brevissimus var. brevissimus
Lowell Ahart
1978-5-1
1684
Butte
On the bottom of a vernal pool, in a field, Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
JEPS122031
Psilocarphus tenellus
Lowell Ahart
2014-7-2
19545
Butte
About 200 yards north of the County Road, about one mile west of the intersection of County Road and Lumpkin Road, about 7 miles northeast of Feather Falls.
Comment
CHSC46966
Psilocarphus tenellus var. globiferus
Lowell Ahart
1979-5-11
1867
Butte
In a grain field, Peter Ahart Ranch, about 2 miles north and 3/4 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
SEINET10452195
Psoralea macrostachya
Lowell Ahart
1985-6-30
Ahart 5080
Butte
About 2 1/2 miles north-east of Forbestown. Alt. 2850 ft.
868
Comment
CHSC33154
Ptelea crenulata
J. P. Smith; J. O. Sawyer
1973-4-14
6063
Butte
Rock Road 1mile west of Cohasset Road near Chico.
Comment
CAS-BOT-BC460485
Pterospora andromedea
A. A. Heller
1914-8-8
11670
Butte
At Jonesville
1524
Comment
CHSC53990
Puccinellia simplex
Vernon H. Oswald
1991-4-25
4532
Butte
West Liberty Rd, 0.8 mi west of Pennington Rd, on the north edge of Gray Lodge Wildlife Area. Flat on the south side of the road just west of the PG and E Substation.
20
Comment
CHSC97336
Pycnanthemum californicum
L. P. Janeway
2007-8-6
9152
Butte
Northern High Sierra Nevada. Plumas National Forest; Hughes Place, at head of eastern side drainage of Chino Creek and near head of Jack Creek, at break between Chino Ridge and Swayne Hill; 3.5 km north of mouth of French Creek at North Fork Feather River arm of Lake Oroville. At an old abandoned farm or small lumber mill pond in an opening in mixed conifer forest. Large patch of this on slope next to east side of pond.
776
Comment
CHSC48676
Pyrola aphylla
Vernon Oswald
1984-6-14
1289
Butte
Cohasset Rd. on Cohasset Ridge, 1.3 mi n of the end of the pavement.
1036
Comment
CAS-BOT-BC466315
Pyrola dentata
E. B. Copeland
1931-7-15
669
Butte
Jonesville
1700
Comment
CDA13272
Pyrola picta
G. F. Hrusa, T. D. Wilfred
1996-7-9
13120
Butte
Plumas National Forest; Above Jordan Creek, above falls before confluence with Marble Creek.
Comment
CHSC11802
Pyrola picta
E. B. Copeland
1930-7-29
435
Butte
Jonesville.
1600
Comment
SBBG28971
Pyrola picta
E. B. Copeland
1931-7-15
669
Butte
Jonesville
1600
Comment
UCD117816
Pyrola picta
L. E. Hazeltine
1916-7-30
s.n.
Butte
Sierra Nevada.
1828
Comment
CAS-BOT-BC104152
Quercus X morehus
John Thomas Howell
1961-9-22
36747
Butte
Feather River Highway 3 miles from Oroville
Comment
CHSC99559
Quercus berberidifolia
L. P. Janeway
2008-5-26
9367
Butte
Northern Sierra Nevada Foothills. Along south side of Skyway 3.5 km southwest of Paradise and Neal Road.
360
Comment
CHSC96810
Quercus chrysolepis var. chrysolepis
Lowell Ahart
2007-4-30
13702
Butte
On the west side of Jordan Hill Road, about 1 1/2 miles northwest of Concow Creek, about 1 1/2 miles west of Concow Reservoir.
358
Comment
CHSC31379
Quercus douglasii
J. D. Jokerst
1979-4-6
1188
Butte
S edge of the S branch of Coal Cr. Canyon. On top of North Table Mountain.
365
Comment
CAS-BOT-BC86115
Quercus dumosa
A. A. Heller
1916-9-8
12649
Butte
Ten mile house E of Chico
Comment
CHSC31828
Quercus lobata
L. Ahart
1978-3-21
1618
Butte
Along edges of North Honcut Creek. Peter Ahart Ranch, Honcut.
50
Comment
CHSC6044
Quercus nigra
M. MacArthur
1968-6-17
168
Butte
Half way between LS bld. and Big Chico Creek, Chico State College.
60
Comment
CHSC26694
Quercus vacciniifolia
M. S. Taylor; M. Hayes, R. Schlising
1977-8-17
1470
Butte
On s side of Humboldt Rd, ca. 3 mi e of its jct with Scott's John Rd, n of Jonesville.
1828
Comment
CHSC23640
Quercus wislizeni
M. S. Taylor
1976-3-30
1037
Butte
Ca. 20 ft e of Cherokee Rd, ca. 1 mi s of Cherokee, on n side of Table Mountain.
304
Comment
CHSC27951
Quercus wislizeni
M. S. Taylor
1979-3-20
1937
Butte
Ca. 1 mi n of jct of north fork Feather River, along an old road, ca. 10 mi n of Oroville.
304
Comment
CHSC628
Quercus wislizeni
M. Roberson
1956-4-7
Butte
SW of Paradise, along Skyway.
426
Comment
HSC73007
Ranunculus aquatilis var. diffusus
M. S. Taylor, L. Ahart
1981-8-15
4183
Butte
In and along W Branch of Feather River, 3.4 mi. SW of Snag lake, 11 mi. NE of Stirling City
1616
Comment
CAS-BOT-BC378958
Ranunculus bonariensis
Lowell Ahart
1978-4-14
s.n.
Butte
Honcut, Peter Ahart Ranch
50
Comment
CAS-BOT-BC378935
Ranunculus californicus var. californicus
Lowell Ahart
1979-4-3
s.n.
Butte
Honcut, Peter Ahart Ranch
50
Comment
CHSC51072
Ranunculus canus
Pauleen Broyles
1988-2-25
1095
Butte
The Nature Conservancy Vina Plains Preserve, Wurlitzer Addition. On e. side of Singer Creek in n.e. corner of Wurlitzer Addition. Along creek.
Comment
CHSC115433
Ranunculus muricatus
Ariana Gehrig
2013-5-9
Butte
City of Chico. Lawn on campus.
64
Comment
CHSC23718
Ranunculus muricatus
M. S. Taylor
1976-3-30
1041
Butte
On creek bank, ca. 1/2 mi w of Cherokee Rd, ca. 2 mi ne of Oroville on Table Mountain.
373
Comment
JEPS110344
Ranunculus occidentalis
Lowell Ahart
2006-7-16
12997
Butte
On the northwest edge of Willow Creek, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows
1515
Comment
POM253326
Ranunculus occidentalis var. eisenii
A. A. Heller
1938-4-23
15054
Butte
At the summit on the Feaather River Hwy, 20 miles from Oroville.
Comment
CHSC41519
Ranunculus occidentalis var. ultramontanus
Kirsten Tarp
1983-8-6
341
Butte
E of Butte Meadows, near creek.
1341
Comment
SEINET12080672
Ranunculus pusillus
Unknown
1974-1
444
Butte
Peter Ahart Ranch, about 2 mi N and 1/2 mi E of Honcut, about 12 mi S of Oroville
37
Comment
UC1594623
Ranunculus sardous
Lowell Ahart
1992-5-9
6751
Butte
Thermalite Diversion Pool Lake Oroville Recreation Area (n side, near Longs Bar Monument, about 2 mi w of Oroville Dam)
76
Comment
CAS-BOT-BC74179
Raphanus raphanistrum
Lowell Ahart
1980-4-19
2084
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC47040
Raphanus raphanistrum
R. A. Schlising
1985-3-23
4459
Butte
Richvale Vernal Pools, 1/4 mile s of junction Hwy 162 to Oroville and Hwy 99; along the latter and across from Thermalito Afterbay.
Comment
SFV10378
Raphanus raphanistrum
M. L. Vincent
1965-4-16
634
Butte
Pentz Road, 0.5 miles south of Pentz store.
Comment
CAS-BOT-BC74265
Raphanus sativus
Lowell Ahart
1980-3-22
2048
Butte
Peter Ahart Ranch, Honcut.
50
Comment
RSA31115
Rhamnus ilicifolia
A. A. Heller
1915-4-20
11847
Butte
2 miles below Centerville in the Sierra foothills
Comment
SEINET10493611
Rhamnus rubra subsp. obtusissima
Mary Susan Taylor
1980-5-8
Taylor 2601
Butte
T24N R3E e half nw sec 33. Paradise quad. Ca. 3 mi N of Forest Ranch, ca. 1 mi E of Hwy 32; area soon to be deve loped; Yellow Pine Forest.
853
Comment
CHSC39786
Rhamnus tomentella subsp. tomentella
Eloise Gallatin
1935-5-4
Butte
Humboldt Road above Paradise.
Comment
RSA30407
Rhamnus tomentella subsp. tomentella
A. A. Heller
1915-5-16
s.n.
Butte
Chico-Centerville road 3 miles from Chico at the lower limit of the digger pine belt
Comment
RSA712976
Rhamnus tomentella subsp. tomentella
L. P. Janeway
2006-5-28
8640
Butte
Northern High Sierra Nva, open serpentine bowl on W side of Concow road 3.2 miles NE of the upper end of Concow Reservoir.
860
Comment
CHSC61313
Rhododendron neoglandulosum
Lowell Ahart
1993-7-29
7132
Butte
Bog on the northside of the dirt road to big Kimshew Creek, about 1-1/2 miles south-east of Bald Mountain, north-east of Stirling City.
1493
Comment
UC105989
Rhododendron occidentale
Mrs. R. M. Austin
June, 1896
138
Butte
California
Comment
CAS-BOT-BC199745
Rhododendron occidentale var. californicum
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CHSC25111
Rhus aromatica
D. Russell Droege
1970-4-13
30
Butte
At ca. 300 yards from eastern termination of Upper Bidwell Park rd. ca. 200 yds. north of Big Chico Creek, Chico.
Comment
CHSC45135
Rhynchospora californica
Vernon Oswald
1984-6-14
1291
Butte
Upper Bidwell Park, Chico, between Upper Park Rd. and Salmon Hole near Parking Area O.
182
Comment
SBBG17304
Ribes bracteosum
M. Vincent
1962-4-15
184
Butte
The Skyway, 1 mi S of Stirling City
Comment
UC478511
Ribes nevadense
E. B. Copeland
1931-7-31
647
Butte
near Butte Creek; Jonesville
1550
Comment
CHSC3607
Ribes roezlii
Gerry Carrauthers
1966-3-5
28
Butte
E. of Chico along highway 32 toward Susanville ca. 12 mi.
Comment
SEINET10937201
Ribes roezlii
Mary Susan Taylor
1976-4-4
Taylor 1054
Butte
Yellow Pine Forest, ca. 2 mi W of junc tion of Ponderosa Way and Hwy 32, ca. 5-15 ft S of Ponderosa Way, ca. 23 mi NE of Chico; with Sanicula bipinnata.
610
Comment
SEINET12216578
Ribes roezlii
M. R. Nichols
1975-1
14
Butte
6.8 mi NE of Chico on Cohasset Rd from Chico Airport
579
Comment
CAS-BOT-BC198957
Ribes roezlii var. roezlii
H. F. Copeland
1929-6-11
1237
Butte
Jonesville
1524
Comment
CAS-BOT-BC198961
Ribes roezlii var. roezlii
A. A. Heller
1939-4-26
15384
Butte
Edge of thickets near the river at the foot of the grade leading down from Stirling City
Comment
CAS-BOT-BC198968
Ribes roezlii var. roezlii
John Thomas Howell; Gordon H. True
1967-5-9
42238
Butte
On northwest side of Feather River Canyon near Pulga Bridge - Sierra Nevada
Comment
CAS-BOT-BC173955
Ribes viscosissimum
F. N. Bassett
1923-6-16
s.n.
Butte
Jonesville
Comment
SEINET10971250
Rigiopappus leptocladus
Mary Susan Taylor
1981-5-21
Taylor 3770
Butte
T22N R4E nw/nw sec l and ne/ne sec 2, Pulga SW quad. S side of Concow Rd, ca. 0.5 mi S of its jct with Ponderosa Way (Rim Rd), ca. 20 air mi N of Oroville. In reddish weathered serpentine; 2800 ft.
853
Comment
UCD135433
Rigiopappus leptocladus
M. S. Taylor
1981-5-21
3770
Butte
South side of Concow Road, ca. 0.5 mile south of its junction with Ponderosa Way, ca 20 air miles noth of Oroville.
Comment
JEPS32559
Rorippa
Duncan Dunning
1921-7-30
Butte
Butte Meadows
Comment
CAS-BOT-BC74467
Rorippa curvisiliqua
A. A. Heller
1914-5-30
11469
Butte
Sacramento Valley about 6 miles northwest of Chico. Chico-Hamilton road 6 miles from Chico.
Comment
CAS-BOT-BC74465
Rorippa curvisiliqua
Lowell Ahart
1990-4-15
6451
Butte
Lake Oroville, east of the Enterprise Boat Launch Area, 1/8 mile northwest of Enterprise Bridge.
289
Comment
CHSC94560
Rorippa curvisiliqua var. orientalis
Lowell Ahart
2006-9-11
13279
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville.
431
Comment
CHSC103026
Rorippa nasturtium-aquaticum
Lowell Ahart
2009-6-3
15819
Butte
Drainage below dam, about 100 yards west of the table at the old homestead and about 100 yards west of the table at the old homestead and about 50 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
232
Comment
CHSC23134
Rorippa nasturtium-aquaticum
M. S. Taylor
1975-10-31
983
Butte
Ca. 500 yds n of Pentz Rd, in Butte College Campus, by the creek, ca. 12 mi s of Chico.
91
Comment
CHSC92507
Rorippa palustris var. occidentalis
Lowell Ahart
2005-12-11
12509
Butte
On the sides of small ditches, on the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Highway, about 2 1/4 miles (air) east of Biggs.
30
Comment
JEPS118337
Rosa californica
Lowell Ahart
2011-8-17
17622
Butte
On the east side of Big Chico Creek, about 40 yards west of Ten Mile House Road, about 3/4 mile (air) northeast of Chico
197
Comment
POM140209
Rosa californica
A. A. Heller, H. E. Brown
1902-5-14
5546
Butte
Berry Canyon (near Clear Creek)
Comment
POM140263
Rosa gymnocarpa
Kate Conger
1907-1
s.n.
Butte
Brush Creek.
Comment
CAS-BOT-BC148316
Rosa pisocarpa
A. A. Heller
1913-6-7
10801
Butte
Near Stirling
1074
Comment
JEPS127065
Rosa pisocarpa subsp. ahartii
Lowell Ahart
2016-5-15
20834
Butte
On the very west edge of North Honcut Creek, Peter Ahart Ranch, about 1 1/4 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
Comment
CHSC83008
Rosa rubiginosa
Lowell Ahart
2002-9-8
9933
Butte
On the west side of the paved road, about 1/4 mile south of the first parking spaces at the Feather Falls Trailhead, about 1 3/4 miles north by road from the town of Feather Falls.
854
Comment
CAS-BOT-BC274227
Rostraria cristata
Lowell Ahart
1982-4-29
3386
Butte
Near the sign in station, Gray Lodge, about 12 miles south-west of Gridley
35
Comment
JEPS98374
Rotala indica
Lowell Ahart
2000-10-15
8707
Butte
5 air miles S of Oroville (strand of the Thermalito Afterbay, S side of access road to the boat ramp; W of Larkin Road, about 1 1/4 mi S of Oroville Airport)
42
Comment
CHSC45822
Rubus armeniacus
L. P. Janeway
1987-6-5
2150
Butte
Along Peavine Cr near mouth of Coon Cr and where the Peavine Cr rd crosses.
746
Comment
CHSC52472
Rubus armeniacus
L. P. Janeway
1987-5-20
2061
Butte
Near Gold Flat, Hodap Cr, jct of Lunt Rd and Nelson Bar Rd. Creek bottom.
457
Comment
CHSC78265
Rubus armeniacus
Lowell Ahart
2000-6-29
8546
Butte
In the north part of Flea Meadow, about 1/2 mile west of Flea Mountain, about 3 1/2 miles (air) north of Concow Reservoir, about 5 miles (air) east of Magalia.
1036
Comment
CHSC37064
Rubus laciniatus
L. Ahart
1982-9-29
3834
Butte
Along the edge of rd and near Pinkard Creek, ca. 0.1 mi n of Lost Creek Reservoir Dam, ca. 2.1 mi nw of Strawberry Valley.
1100
Comment
UCR66527
Rubus parviflorus
H. F. Copeland
1930-8-26
1328
Butte
Jonesville, in woods above hotel
1677
Comment
SEINET10483593
Rubus parviflorus
Mary Susan Taylor
1976-5-5
Taylor 1112
Butte
Abundant along creek, ca. 5 ft S of Hwy 70, ca. 20 mi NE of Oroville; granitic soils.
Comment
UCD89070
Rubus pensilvanicus
Lindsay Clark
2008-5-30
BWP 19
Butte
Bidwell Park in Chico, off of parking lot H (Day Camp), follow Yahi trail southwest. Next to creek.
88
Comment
UCD166759
Rubus praecox
Marcel Rejmanek
2016-10-6
2162 a
Butte
By Richvale East Rd, right before the intersection with Highway 99.
35
Comment
UCD166763
Rubus praecox
Marcel Rejmanek
2016-10-6
2162 c
Butte
By Richvale East Rd, right before the intersection with Highway 99.
35
Comment
CHSC111370
Rubus ursinus
Lowell Ahart
2012-5-14
18058
Butte
100 feet east of Table 13, south of Big Chico Creek, on the north side of the paved road, Lower Bidwell Park, Chico.
76
Comment
CHSC28954
Rudbeckia hirta var. pulcherrima
M. S. Taylor
1978-7-21
1831
Butte
On n side of Oroville-Quincy Hwy in meadow, ca. 1 mi s of Butte county-Plumas county line.
Comment
CHSC42974
Rumex acetosella
Lowell Ahart
1987-7-8
5802
Butte
Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga.
1280
Comment
CAS-BOT-BC421623
Rumex crispus
Lowell Ahart
1980-5-10
2233
Butte
Peter Ahart Ranch, Honcut
50
Comment
CAS-BOT-BC433477
Rumex dentatus
M. S. Taylor
1982-5-22
4504
Butte
Graylodge [Gray Lodge] Waterfowl Refuge, in vicinity of parking lot 6, on Rutherford Rd, ca. 1/2 mi e of its jct with Pennington Rd, ca. 12 mi sw of Gridley.
21
Comment
SEINET10479778
Rumex obtusifolius subsp. agrestis
Mary Susan Taylor
1982-8-16
Taylor 4987 A
Butte
T24N R4E sw/se sec 28. Paradise NE quad. S end of Stirling City, along both sides of the Skyway. Mixed Evergreen Forest; 3400 ft.
1036
Comment
CHSC29737
Rumex pulcher
J. D. Jokerst
1980-5-28
802
Butte
Top of North Table Mt, S of Cherokee Rd.
403
Comment
CHSC39342
Rumex pulcher
Lowell Ahart
1983-6-26
4145
Butte
Around a small meadow along Ponderosa Way, about 1/2 mile south of the East Fork of Canyon Creek, about 13 1/2 miles north-east of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way.
550
Comment
RSA781353
Rumex pulcher
Anna Kostikova, Glenn Litsios, Sarah Burgy
2010-7-1
153
Butte
Bidwell park, parking slot, northern entrance, from hwy 32.
Comment
CAS-BOT-BC433779
Rumex pulcher
Lowell Ahart
1979-6-2
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
CHSC31769
Rumex salicifolius
L. Ahart
1974-7-2
507
Butte
Along North Honcut Creek, Peter Ahart Ranch, Honcut.
45
Comment
CHSC99673
Rupertia hallii
R. A. Schlising
2006-8-16
4464
Butte
Carpenter Ridge, southwest of Butte Meadows, in scraped roadside of Humboldt Road, 2 miles east of junction Hwy 32.
1380
Comment
CHSC98988
Sagina decumbens subsp. occidentalis
Lowell Ahart
2008-5-8
14710
Butte
Below the high water line of Lake Oroville, about 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville.
259
Comment
SEINET5337060
Sagina decumbens subsp. occidentalis
B. Ertter, Jeffrey L. Strachan; L. Ahart
1980-5-7
3295
Butte
Peter Ahart Ranch ca 2-1/2 miles NNE of Honcut between Oroville and Marysville.
30
Comment
POM181762
Sagittaria latifolia
H. F. Copeland
1923-8-14
546
Butte
Nelson.
Comment
JEPS119529
Salix exigua var. hindsiana
Lowell Ahart
2012-4-20
17888
Butte
On the east side of Big Chico Creek, about 20 yards west of the trail, about 200 yards west of Ten Mile House Road, about 3/4 mile west of Highway 32, about 9 miles northeast of Chico, south part of Upper Bidwell Park.
Comment
JEPS119562
Salix exigua var. hindsiana
Lowell Ahart
2012-6-28
18237
Butte
On the north side of Big Chico Creek, east of Sycamore Pool, Lower Bidwell Park, Chico.
Comment
CDA38813
Salix gooddingii
L. Ahart
2012-4-3
17803
Butte
North bank of North Honcut Creek, Peter Ahart Ranch, about 1 1/4 miles north and 2 3/4 miles east of Honcut, about 12 miles southeast of Oroville.
Comment
JEPS119585
Salix gooddingii
Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-4-16
17866
Butte
On the south side of Big Chico Creek, east of the Deer Pen, between Table 12 & 13, Lower Bidwell Park, Chico.
Comment
SBBG128179
Salix gooddingii
L. Ahart
2012-4-20
17893
Butte
E side of the dam, E side of S Rim Trail, ca. 50 yards SW of the table at the old homestead, ca. 100 yards S of the intsection of S Rim Trail and Ten Mi House Rd, ca. 5/8 mi W of Hwy 32, ca. 9 m NE of Chico
259
Comment
CHSC50842
Salix jepsonii
Vernon Oswald; Lowell Ahart
1990-7-19
4375
Butte
Ca. 3 mi east of Philbrook Reservoir, ca. 0.4 mi west of the Plumas County line.
1950
Comment
JEPS119596
Salix laevigata
Lowell Ahart
2012-4-9
17848
Butte
About 50 feet east of South Rim Trail, south part of Upper Bidwell Park, about 2 1/2 miles (air) northeast of Chico.
Comment
UC203647
Salix laevigata
A. A. Heller
1914-3-21
11222
Butte
8 mi n Oroville
Comment
JEPS120008
Salix lasiandra var. lasiandra
Lowell Ahart, Linnea Hanson, Kaline Le Coq, Josephine Guardino
2012-4-27
17913
Butte
Near table 14, on the north side of Centennial Avenue, Lower Bidwell Park, Chico.
Comment
SD934
Salix lasiandra var. lasiandra
E. B. Copeland
1931-6-10
619
Butte
Jonesville, alogs stream
1500
Comment
CHSC37770
Salix lasiolepis
M. S. Taylor
1979-3-19
1934
Butte
1.5 mi e of Pulga bridge over Feather River, along Hwy 70, near Bear Ranch Creek, ca. 25 air mi n of Oroville.
487
Comment
CAS-BOT-BC129488
Salix melanopsis
Dr. E. B. Copeland
1903-7-27
3491
Butte
Chico, on banks of Butte Creek
Comment
CAS-BOT-BC129491
Salix melanopsis
Dr. E. B. Copeland
1931-6-10
622
Butte
Jonesville, in meadows by Butte Creek.
1500
Comment
POM219073
Salix melanopsis
E. B. Copeland
1931-6-10
622
Butte
Jonesville, Butte Creek.
1500
Comment
CHSC11988
Salix scouleriana
E. B. Copeland
1931-7-30
624
Butte
Jonesville.
1550
Comment
SBBG28807
Salix scouleriana
E. B. Copeland
1931-7-30
Butte
Jonesville
1550
Comment
JEPS116659
Salpichroa origanifolia
L. P. Janeway
2010-5-12
9975
Butte
Chico Chico (north side of Little Chico Creek 15-30 m east of Boucher Street bridge; narrow riparian strip between the creek and Humboldt Road); Sacramento Valley
63
Comment
CHSC20058
Salvia sonomensis
M. S. Taylor
1975-4-25
493
Butte
Along dirt road, ca. 1/2 mi e of Cohasset Hwy, ca. 10 mi n of Chico.
Comment
UC883825
Salvia sonomensis
A. A. Heller
1914-5-18
11410
Butte
near Forest Ranch (w slope of the Sierra); Sierra
731
Comment
SEINET13947656
Salvia sonomensis
A. A. Heller
1915-1
11810
Butte
Near Cohasset, near the upper limit of the digger pine in the Sierra foothills
Comment
CHSC31030
Sambucus mexicana
M. S. Taylor
1978-7-21
1809
Butte
On S side of Oroville-Quincy Hwy. Ca. 14 mi N of Lake Madrone.
1463
Comment
SEINET10483279
Sanguisorba minor
Lowell Ahart
1985-5-10
Ahart 4958
Butte
East branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam.
Comment
CHSC24935
Sanicula bipinnata
Brad R. Parker
1976-3-20
2
Butte
Ca. 10.8 mi nne of Chico, ca. 150 yds off the nw side of the Skyway, below a volcanic mudflow cliff.
259
Comment
CHSC28872
Sanicula bipinnata
M. S. Taylor
1980-3-1
2324
Butte
On w end of county dump on n side of Neal Rd, ca. 1 mi e of Hwy 99, ca. 7 mi s of Chico.
76
Comment
CHSC45732
Sanicula bipinnata
Troy Griffiths
1988-3-8
64
Butte
N side of Cohasset Rd., ca. 4 mi ne of Chico Municipal Airport, Chico.
106
Comment
CHSC92566
Sanicula bipinnata
L. P. Janeway
2005-3-10
8356
Butte
Cascade Range Foothills. East edge of city of Chico; north side of Humboldt Road 1.8 km northeast of Bruce Road.
134
Comment
HSC23502
Sanicula bipinnatifida
Judy Potter
1966-3-21
Butte
Pentz Road 1 mi. E Hwy. 99E
Comment
UC726870
Sanicula bipinnatifida
A. A. Heller
1918-5-5
13015
Butte
Paradise
Comment
CHSC118584
Sanicula tuberosa
L. P. Janeway; Emily doe, Cynthia Baricevic
2017-4-27
12193
Butte
Northern High Sierra Nevada. Plumas National Forest; top of west-facing serpentine outcropping above Little Butte Creek 0.4 km south of Paradise Lake dam.
762
Comment
CHSC32622
Sanicula tuberosa
M. S. Taylor; L. Hanson
1981-3-31
3455
Butte
Serpentine ridge, n side of spur rd 1/4 mi w of its jct w Ponderosa Way (Rim Rd, rd to Flea Valley), ca. 3 mi n of its jct with Hwy 70 at Jarbo Gap, ca. 20 air mi n of Oroville.
792
Comment
CHSC42674
Sanicula tuberosa
Vernon Oswald
1985-4-3
1699
Butte
Concow Rd. n of L. Concow.
975
Comment
CHSC64407
Sanicula tuberosa
B. Castro; L. Janeway
1994-7-6
523
Butte
Ca 1.5 air mi ENE of Feather Falls (the falls), ca 1 mi W of Jackson Ranch, on main E-W ridge, a few yards off S edge of USFS Rd 21N25Y.
1143
Comment
POM82756
Sanicula tuberosa
C. C. Bruce
1897-03
s.n.
Butte
Little Chico
Comment
SEINET3240023
Santalaceae
R. L. Mathiasen
2010-1
1038
Butte
Humboldt Summit;
2020
Comment
CHSC13716
Saponaria officinalis
M. S. Taylor
1974-9-14
320
Butte
On s bank of Big Chico Creek, Alligator Hole, Upper Bidwell Park, Chico.
Comment
POM92829
Saxifraga californica
C. C. Bruce
1897-02
2042
Butte
Little Chico
Comment
UC600619
Saxifraga odontoloma
H. F. Copeland
1932-8-19
Butte
se of head of Butte Creek; Jonesville, Butte Creek
2100
Comment
UC591531
Saxifraga oregana
H. F. Copeland
1935-6-25
Butte
Jonesville
1500
Comment
CHSC30003
Scandix pecten-veneris
Harritta Gaussoin
1980-4-22
17
Butte
SW jct. of Boyles Rd. and Highway 99 N, ca. 13 miles N of Chico.
60
Comment
CHSC30069
Sceptridium multifidum
R. A. Schlising; R. Banchero
1980-6-6
3656
Butte
N of Lake Oroville on Bald Rock Road, 0.8 mi S of its junction with Oroville-Quincy Hwy at Brush Creek.
Comment
RSA770096
Schedonorus arundinaceus
L. P. Janeway, B. Castro
2009-7-4
9840
Butte
Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin.
1469
Comment
CHSC56812
Scirpus microcarpus
L. P. Janeway
1987-6-19
2236
Butte
Along Sly Creek 2.1 mi from Challenge-LaPorte Road along the road to the southeast side of Sly Creek Reservoir.
1097
Comment
CHSC57150
Scirpus microcarpus
L. P. Janeway
1988-6-25
2890
Butte
Ca 1/8 mi from Bull Hill Road up a small creek towards Bull Hill, 2.5 mi from Skyway.
1508
Comment
SEINET10938716
Scirpus microcarpus
Lowell Ahart
1985-6-30
Ahart 5076
Butte
East of the dirt road to the Forbestown Res., about 2 1/2 miles north-east of Forbestown.
Comment
CAS-BOT-BC239958
Scribneria bolanderi
Lowell Ahart
1983-5-12
3976
Butte
About 0.5 mi. NE of Highway 99 and Pentz Road
65
Comment
CHSC13812
Scribneria bolanderi
D. McClain
1969-4-18
58
Butte
50 yds. n.w. of gate on Table Mountain, 5 mi. s.w. of Cherokee Rd. from its junction with Feather River Highway.
487
Comment
CHSC83911
Scribneria bolanderi
Lowell Ahart
2003-4-10
10084
Butte
Along a small drainage, southwest of the 'sunken area,' on the top of South Table Mountain, about 2 1/2 miles (air) north of Oroville.
310
Comment
SEINET3449113
Scrophularia californica subsp. floribunda
Unknown
2003-4-10
10087
Butte
Oroville, Oroville, about 1.75 miles north
210
Comment
CHSC74680
Scutellaria californica
Mary Bailey
1990-5-5
Butte
North side of Nance Canyon.
152
Comment
CHSC794
Scutellaria californica
V. Holt
1931-3-6
Butte
Forest Ranch.
548
Comment
SFV5836
Scutellaria siphocampyloides
M. L. Vincent
1968-6-5
768
Butte
1 mile south of Cherokee on road to Oroville. Roadside at old Campbell Ranch.
410
Comment
CAS-BOT-BC240054
Secale cereale
Lowell Ahart
1987-5-6
5571
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
271
Comment
CAS-BOT-BC415025
Sedella pumila
A. A. Heller
1914-4-27
11329
Butte
Along the Chico-Oroville road on the lava plains 6 miles from Chico
Comment
CHSC90598
Sedella pumila
Lisa J. Newsum
1984-4-19
15
Butte
Cohasset Rd., 1/2 mi s of Keefer Rd. and Cohasset Rd. jct., 10 1/2 mi ne of Chico.
91
Comment
SD8318
Sedella pumila
R. M. Austin
1883-1
Butte
Comment
UCD102081
Sedum spathulifolium
P. Thompson
1996-4-26
35
Butte
Highway 70. Belden. Along the north entrance of the Pacific Crest Trail.
304
Comment Read comments Apr 5 2013
CAS-BOT-BC63854
Sedum spathulifolium
Junea Kelley
1970-4-24
s.n.
Butte
Los Vergils
Comment
SEINET12215763
Sedum spathulifolium
Unknown
1977-1
18
Butte
1.2 km E from Chico golf course office,ca. 260 m S. of Chico Creek on vertical bank facing N
122
Comment
UC306730
Selaginella hansenii
Mrs. R. M. Austin
May 1896
241
Butte
Iron Canyon
Comment
HSC66337
Selaginella hansenii
M. S. Taylor
1980-3-8
2370
Butte
Shady train 100 ft. SW of Pulga Bridge over Hwy. 70, 28 mi. NE of Oroville
488
Comment
SEINET10470989
Selaginella hansenii
Lewis S. Rose
1945-5-12
Rose 45039
Butte
Richardson Springs, 1000 feet.
305
Comment
CHSC8149
Senecio aronicoides
J. G. Moore
1969-4-26
84
Butte
0.2 mi. n on Coutoline Rd. from Skyway. 150 yds e of road on slope.
792
Comment
UC426993
Senecio aronicoides
E. B. Copeland
1929-7-14
498
Butte
Jonesville
1650
Comment
CHSC104757
Senecio sylvaticus
L. P. Janeway
2010-6-19
10030
Butte
Northern High Sierra Nevada. Along Bean Creek Road 0.4 km northwest of spur road to Dome Trail trailhead; 1.2 km south-southwest of Bald Rock Dome; on ridge between Middle Fork Feather River and Bean Creek.
883
Comment
JEPS94732
Senecio sylvaticus
Lowell Ahart
1998-6-3
7966
Butte
about 7 air mi n of Oroville (about 1/4 mi n of the cow chute along Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road
403
Comment
CAS-BOT-BC364273
Senecio triangularis
E. B. Copeland
1931-7-4
699
Butte
Jonesville
1550
Comment
CHSC40490
Senecio triangularis
Lowell Ahart
1985-7-9
5117
Butte
Along Fall River, about 100 yards south of the bridge across Fall River, about 1/2 mile west of Lumpkin Ridge Road, about 2 1/2 miles north-east of Camp 18, about 9 miles north-east of Feather Falls.
914
Comment
SEINET10839270
Senecio triangularis
Lowell Ahart, Peter Ahart
1985-7-9
Ahart 5117
Butte
About 1/2 mile west of Lumpkin Ridge Road, about 2 1/2 miles north-east of Camp 18, about 9 miles north-east of Feather Falls.
Comment
CAS-BOT-BC364544
Senecio vulgaris
Lowell Ahart
1982-1-8
3232
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut
50
Comment
CHSC28431
Sericocarpus oregonensis
M. S. Taylor
1979-9-28
2196
Butte
Butte county line at Hwy 70, between boundary and Arch Rock tunnel.
487
Comment
CHSC28776
Sericocarpus oregonensis
J. D. Jokerst
1979-7-12
323
Butte
1.0 mi W of Kimshew Falls and W. Branch Feather River along smaller stream.
853
Comment
CHSC30782
Sericocarpus oregonensis
M. S. Taylor
1980-9-12
3328
Butte
W side of Hwy 32, ca. 3 mi N of Forest Ranch, near Forest Ranch Fire Control Station, ca. 50 ft W of the Hwy, N of a dirt rd.
975
Comment
CAS-BOT-BC364729
Sericocarpus oregonensis subsp. californicus
A. A. Heller
1916-9-23
12658
Butte
Sierra Foothills near Forest Ranch
Comment
CAS-BOT-BC364731
Sericocarpus oregonensis subsp. californicus
John Thomas Howell
1959-9-26
35094 A
Butte
At Pulga Bridge, North Fork of the Feather River
Comment
CHSC38856
Setaria parviflora
Vernon Oswald
1983-7-13
863
Butte
Upper Bidwell Park, Chico, at Five Mile Recreation Area. Along the edge of the parking lot.
85
Comment
CAS-BOT-BC240120
Setaria pumila
John Thomas Howell
1961-9-22
36765
Butte
North Fork of Feather River, 10 miles from Oroville
Comment
UCD92849
Setaria viridis
L. E. Hazeltine
1916-7-3
s.n.
Butte
Chico.
Comment
JEPS127082
Sherardia arvensis
Lowell Ahart
2016-4-15
20751
Butte
About 1/2 mile southwest of Dutch Ravine, about 8 miles (air) southeast of Oroville.
Comment
SD111906
Sherardia arvensis
Barbara Ertter, Jeff Strachan
1980-5-5
3261
Butte
Peter Ahart Ranch ca 1I(c) mi northeast of Honcut between Oroville and Marysville, pasture north of house, wet clay bank of ditch
29
Comment
JEPS102345
Sibara virginica
Lowell Ahart
2001-4-27
8733
Butte
1 3/4 mi W of Honcut (just NW of bridge across Wyandotte Creek, N of Lower Honcut Road, 125 yds W of the railroad)
26
Comment
JEPS117311
Sibbaldia procumbens
Lowell Ahart
2010-9-28
17254
Butte
About 20 yards west of Big Kimshew Creek, meadow, about 100 yards east of the poor dirt road, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir
1886
Comment
CHSC34955
Sidalcea asprella
J. D. Jokerst; R. A. Schlising
1979-5-18
3408
Butte
North of Oroville and Table Mt., 1.75 miles S of Cherokee Historical Site on Cherokee Road.
Comment
CHSC34962
Sidalcea calycosa
M. J. Lavelle; R. Schlising
1975-10-4
8
Butte
Small population in field at NE corner of East Avenue and Mariposa Avenue in Chico.
60
Comment
SEINET10904427
Sidalcea calycosa
Mary Susan Taylor
1980-3-28
Taylor 2408
Butte
T22N R2E north center border sec 30. Vernal pool area in Valley Grassland, just E of Chico, between Humboldt Rd, cand Hwy 32, ca. 1/4 mi E of Forest Ave., ca. 1.5 mi E of Hwy 99; area soon to be developed. With J.D. Jokerst.
76
Comment
CHSC11787
Sidalcea glaucescens
E. B. Copeland
1930-7-21
658
Butte
Jonesville. In open pine woods.
1550
Comment
JEPS117413
Sidalcea glaucescens
Lowell Ahart
2010-9-28
17246
Butte
Along the east side of Big Kimshew Creek, about 100 yards east of the poor dirt road, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir
1886
Comment
CHSC52446
Sidalcea hartwegii
Denise Monceau
1984-4-11
12
Butte
Ca 5 mi from hwy 99; jct of Honey Run and Humbug Roads. SE side of road.
106
Comment
POM253295
Sidalcea hartwegii
A. A. Heller
1938-4-17
15040
Butte
Stony slope back of the Salmon Hole Chico creek east of Chico
Comment
UCD116736
Sidalcea hartwegii
Bess Fuller
1962-5-8
s.n.
Butte
at the spring 0.5 mile west of 5330 Harrison Road, Paradise.
Comment
UC725340
Sidalcea hirsuta
A. A. Heller
1941-5-13
16122
Butte
10 mi n of Chico (on U.S. Highway 99E); U.S. Highway 99E
Comment
UCD116832
Sidalcea oregana subsp. spicata
H. F. Copeland
1930-7-24
s.n.
Butte
Jonesville.
Comment
CAS-BOT-BC213188
Sidalcea robusta
A. A. Heller
1940-4-28
15564
Butte
Ridge above chico Creek opposite the Golf Links east of Chico
Comment
CAS-BOT-BC213191
Sidalcea robusta
Mrs. J. H. Morrison
1934-5-8
s.n.
Butte
Durham
Comment
CHSC38553
Sidalcea robusta
Vernon Oswald
1983-5-21
517
Butte
Upper Bidwell Park, Chico, on the north rim 1500 ft e of the power lines.
274
Comment
UCD80449
Sidalcea robusta
CNPS SN Foothill Team
2006-5-24
SNNR 0929
Butte
Horning Ranch (private).
117
Comment
UC1586524
Silene bernardina
Lowell Ahart
1991-9-19
6729
Butte
about 2 mi ne Coyote Gap (about 2 mi nw of Four Trees, near where the two branches of Wildcat Creek come together); Wildcat Creek, nw of Four Trees, ne of Coyote Gap
1219
Comment
RSA726809
Silene bridgesii
L. Ahart
2007-5-29
13946
Butte
At the Dome trail head, trail leads to the Middle fork of the Feather River, Dome Trail head is 3/10 mile east of Bean Creek Road, about 2 miles (air) northeast of Big Bald Rock, about 16 miles (air) northeast of Oroville.
844
Comment
RSA477839
Silene californica
M. Vincent
1962-4-16
198
Butte
Pentz Road, small reservoir 1/4 mile off road 5 miles S of Paradise.
Comment
SEINET10537657
Silene californica
Mary Susan Taylor
1981-4-5
Taylor 3495
Butte
T21N R4E ne sec 14; Berry Creek quad. At end of Dark Canyon Rd at turnout near restroom, ca. 3.5 mi s of Big Bend Rds, ca. 5 air mi s of Jarbo Gap on Hwy 70, n of Oroville. Foothill Woodland; 1000 ft.
305
Comment
UC1137861
Silene gallica
J. E. Sowder
1933-6-6
84
Butte
1/4 mi w Pentz; Chico Quad., w of Pentz
Comment
CHSC42411
Silene laciniata subsp. californica
Lowell Ahart
1977-4-28
1326
Butte
Near Ponderosa Way and near the Ponderosa Dam, north-west of Forbestown.
335
Comment
CHSC84918
Silene laciniata subsp. californica
Janice Morris
1995-4-24
90
Butte
Ca. 1/2 mi. s of Mud Creek, 1/2 mi e of Richardson Springs Resort.
304
Comment
CAS-BOT-BC389014
Silene laciniata subsp. californica
Jeanne McFarland; Kathie Meyer; Anne Mullenniex
1995-4-9
28
Butte
NW of Paradise on Honey-Run Rd, 2.5 miles down from canyon rim
Comment
UCD99006
Silene laciniata subsp. californica
Frank Polach
1967-4-22
15
Butte
1/2 mile from railroad, Feather Falls.
914
Comment
CHSC104845
Silybum marianum
Lowell Ahart
2010-6-12
16807
Butte
Open grass land, at the old homestead on the east side of Ten Mile House Road, about 5/8 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico.
265
Comment
CHSC113307
Sinapis arvensis
Lowell Ahart
2014-4-16
19376
Butte
On the sides but near the bottom of a large canal, about 100 yards north of East Gridley Road, on the west side of the Feather River, about 2 miles east of Gridley.
29
Comment
CDA38825
Sisymbrium officinale
L. Ahart
2012-4-3
17933
Butte
On the sides of Bloody Pin Trail, about 100 yards west of Guardian Trial, about 1/2 mile west of Highway 32, about 7 1/2 miles northeast of Chico, south part of Upper Bidwell Park.
Comment
CHSC36689
Sisymbrium officinale
R. E. Preston
1982-6-25
315
Butte
Meadow; s meadow at site of Powellton.
1107
Comment
CHSC12106
Sisyrinchium bellum
J. M. Pitts
1972-4-19
149
Butte
3.5 mi ne Honeyrun Rd on Humbug Rd. n side of road.
Comment
CHSC3517
Sisyrinchium bellum
John Francis
1966-4-16
108
Butte
3.7 miles E. of covered bridge (Honey Run).
Comment
CHSC52361
Sisyrinchium bellum
L. P. Janeway
1989-5-17
3240
Butte
Along Forbestown Rd 9.2 mi E of Oroville-Quincey Hwy; 0.1 mi W of Lower Forbestown Rd.
798
Comment
UC426901
Sisyrinchium bellum
E. B. Copeland
1930-8-3
Butte
Jonesville
1500
Comment
RSA4634
Sisyrinchium bellum
E. B. Copeland
1930-8-3
409
Butte
Jonesville
1500
Comment
CHSC42428
Solanum americanum
Lowell Ahart
1987-5-27
5687
Butte
On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
JEPS110296
Solanum americanum
Lowell Ahart
2006-9-11
13296
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville
431
Comment
SEINET7262102
Solanum xanti
E. B. Copeland
1930-7-27
453
Butte
Jonesville
Comment
UC426994
Solidago elongata
E. B. Copeland
1930-8-27
499
Butte
Jonesville
1500
Comment
CAS-BOT-BC365840
Soliva sessilis
Lowell Ahart
1979-5-11
s.n.
Butte
Peter Ahart Ranch, Honcut
50
Comment
CHSC43001
Sonchus asper
Lowell Ahart
1987-7-17
5829
Butte
On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
SEINET10474012
Sonchus asper
Mary Susan Taylor
1975-3-25
Taylor 421
Butte
Chico.
Comment
CHSC109152
Sonchus asper subsp. asper
Lowell Ahart
2012-5-14
18051
Butte
Along the edges of the paved path, east side of the Deer Pen, between Tables 9 and 10, Lower Bidwell Park, Chico.
71
Comment
CHSC66157
Sonchus tenerrimus
Vernon H. Oswald; Lowell Ahart
1996-5-27
7670
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the S paddock of Tract 7, Sanctuary II.
32
Comment
SEINET10474014
Sonchus tenerrimus
Lowell Ahart
1984-11-1
Ahart 4832
Butte
On damp red soil in garden on Peter Ahart Ranch, ca. 1.5 mi N and 1 mi E of Honcut, ca. 12 mi S of Oroville. 50 m elev.
50
Comment
CHSC27290
Sorghum halepense
P. Moyer
1972-6-5
212
Butte
CSUC campus. 50 ft. from Gus Manolis Bridge, s side of Chico Ck.
60
Comment
UC573852
Sorghum halepense
H. S. Yates
1936-8-19
6124
Butte
10 mi. s. Durham; Chico Quad.
Comment Read comments Nov 12 2007
SEINET8233923
Sorghum halepense
Richard R. Halse
2006-8-2
6982
Butte
Chico; in the Lindo Channel Greenway where it crosses under Mangrove Ave.
92
Comment
JEPS115601
Spartium junceum
Lowell Ahart
2009-5-23
15743
Butte
On the east bank of Big Chico Creek, on the west side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highwat 32, about 10 miles northeast of Chico
234
Comment
CDA20087
Spartium junceum
R. Harrie
2003-1-13
PDR 1280328
Butte
Northern California; Old mine site.
0
Comment
SEINET10452463
Spartium junceum
Mary Susan Taylor
1975-4-26
Taylor 524
Butte
Kunkle Reservoir, ca. 500 yds E of Pentz-Magalia Hwy, ca. 1 m SE of Paradise. With Orthocarpus erianthus, Centaurea solstitus, Lupinus bicolor, Typha latifolia.
610
Comment
CHSC44488
Spergula arvensis subsp. arvensis
Lowell Ahart
1988-5-12
5989
Butte
Pasture field, about 1/4 mile north-east of the Honcut Cemetery, Joie Osgood Ranch, about 3 1/2 miles east and 1 1/2 miles north of Honcut.
60
Comment
JEPS120962
Spergularia bocconi
Lowell Ahart
2013-4-20
18563
Butte
Corral at the barn, about 1/4 mile N of Honcut Cemetery, about 3.25 air miles NE of Honcut.
Comment
CHSC48271
Spergularia marina
V. Oswald
1988-5-25
3341
Butte
Gray Lodge Waterfowl Management Area, ca. 0.25 mi s of Rutherford Rd., 0.5 mi w of Pennington Rd. Bottom of a pond.
21
Comment
CHSC31224
Spergularia rubra
M. S. Taylor
1980-10-6
3360
Butte
N side of Hwy 70, 1/4 mi w of Bear Creek jct with N fork Feather River, ca. 0.5 mi w of Arch Rock Tunnel Rest Stop.
487
Comment
JEPS107344
Spergularia rubra
Lowell Ahart
2005-4-2
11688
Butte
Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico
25
Comment
CHSC64056
Spiranthes romanzoffiana
S. C. Morey
1983-9-17
751
Butte
On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
1414
Comment Read comments Sep 6 2011
CDA13320
Stachys ajugoides
G. F. Hrusa, T. D. Wilfred
1996-7-9
13166
Butte
Sierra Nevada; approx. 0.4 m. E of bridge over Marble Creek on USFS N60.
Comment
CHSC41908
Stachys pycnantha
Lowell Ahart
1983-7-29
4233
Butte
Along the dirt road, about 1/4 mile west of Milsap Bar, about 25 miles northeast of Oroville.
500
Comment
CHSC42939
Stachys pycnantha
Lowell Ahart
1987-7-17
5826
Butte
Along the edge of the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap.
271
Comment
RSA0039298
Stachys pycnantha
Lowell Ahart
2008-7-23
15146
Butte
On the north edge of the South Fork of the Feather River, about 10 yards east of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam.
258
Comment
CHSC11852
Stellaria longifolia
E. B. Copeland
1931-1-1
638
Butte
Jonesville. In meadows.
1500
Comment Read comments May 18 2006
JEPS121997
Stellaria longifolia
Lowell Ahart
2014-7-13
19649
Butte
About 100 yards southeast of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
CHSC35036
Stellaria longipes var. longipes
R. A. Schlising
1980-6-8
3869
Butte
NE of Butte Meadows and SW of Jonesville, along Humboldt Road to the W of Cherry Hill Campground. At meadow margin.
1402
Comment
CHSC19936
Stellaria media
M. S. Taylor
1975-3-25
426
Butte
Field between 11th and 12th Sts at end of Citrus Ave, Chico.
45
Comment
CHSC90631
Stellaria media
Lowell Ahart
2005-4-2
11689
Butte
Overflow area on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
25
Comment
JEPS115186
Stellaria media
Lowell Ahart
2009-5-30
15936
Butte
South of trail on the east side of Big Chico Creek, about 50 yards west of Ten mile House Road, Upper Bidwell Park, about 3/4mile (air) west of Highway 32, about 10 miles northeast of Chico
203
Comment
CAS-BOT-BC395114
Stellaria nitens
Lowell Ahart
1980-3-26
2069
Butte
Near Hurleton
600
Comment
CAS-BOT-BC395120
Stellaria nitens
Ahart; Jokerst
1985-3-24
4862
Butte
W of Lunt Road, about 1/2 mile N of the intersection of Lunt Road and Highway 70, N of Yankee Hill
550
Comment
CHSC50034
Stellaria nitens
Lowell Ahart
1990-3-19
6423
Butte
Along the south side of Pacific Heights Road, about 3 1/2 miles south-west of Oroville.
36
Comment
SEINET10866384
Stellaria nitens
Mary Susan Taylor
1981-4-5
Taylor 3501
Butte
T21N R4E ne sec 14; Berry Creek quad. At end of Dark Canyon Rd at turnout near restroom, ca. 3.5 mi s of Big Bend Rds, ca. 5 air mi s of Jarbo Gap on Hwy 70, n of Oroville. Foothill Woodland; 1000 ft.
305
Comment
UC478522
Stellaria obtusa
E. B. Copeland
1931-7-19
636
Butte
Butte Creek Jonesville (Jonesville)
1500
Comment
JEPS120002
Stellaria pallida
Lowell Ahart
2012-4-30
17943
Butte
On the north side of Bloody Pin Trail, west of Guardian Trail about 1/2 mile west of Highway 32, about 7 1/2 miles northeast of Chico, south part of Upper Bidwell Park.
Comment
CHSC38392
Stephanomeria exigua subsp. macrocarpa
Vernon Oswald
1983-7-3
801
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1.2 mi e of the power lines.
280
Comment
CHSC40007
Stephanomeria lactucina
Lowell Ahart
1983-8-16
4307
Butte
Along the banks of a small wash, near a small mountain meadow, near Bull Hill Road, about 3 1/2 miles south of Butte Meadows.
1600
Comment
SEINET10474963
Stephanomeria lactucina
Lowell Ahart
1983-8-16
Ahart 4307
Butte
T26N R4E section 32? On dry dark soil in a small mountain meadow, near Bull Hill Rd, ca. 3.5 mi south of Butte Meadows. Yellow Pine Forest; l600 m.
1600
Comment
CAS-BOT-BC375765
Stephanomeria virgata
John Thomas Howell
1961-9-22
36741
Butte
Bottom of Feather River, Oroville
53
Comment
LA9449
Stipa lettermanii
E. B. Copeland;
1929-7-16
342
Butte
Jonesville
1550.0
Comment
SEINET10480710
Streptanthus
Mary Susan Taylor
1979-6-12
Taylor 2306
Butte
Magalia serpentine area down to Feather River. With J.D. Jokerst & L. Ahart.
671
Comment
SEINET10841528
Streptanthus campestris
Lowell Ahart
1983-8-16
Ahart 4283
Butte
Near Humboldt Rd, ca. 3 mi sw of Butte Meadows. Yellow Pine Forest; 1450 m.
1450
Comment
JEPS98677
Streptanthus drepanoides
Lowell Ahart
2000-5-31
8420
Butte
3 mi SE of Paradise (below the high water line of Lake Oroville, about 400 yds E of where Kunkle Creek enters Lake Oroville, E of the Kunkle Power House)
271
Comment
CHSC35744
Streptanthus polygaloides
R. E. Preston
1982-4-22
258
Butte
Lake Oroville, ca. 0.9 mi ne of Lime Saddle Powerhouse, ca. 4.5 mi se of Paradise.
286
Comment
HSC96685
Streptanthus polygaloides
L. P. Janeway
2006-5-28
8639
Butte
N High Sierra Nevada, W side of Concow Rd., 3.2 mi. NE of upper end of Concow Reservoir
860
Comment
CAS-BOT-BC87512
Streptanthus tortuosus
Lowell Ahart
1982-6-4
3541
Butte
1.5 mile east of Camp 18, about 8 miles east of Feather Falls.
1000
Comment
RSA718335
Streptanthus tortuosus
L. Ahart
2006-6-9
12647
Butte
On the west side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga.
404
Comment
CHSC95097
Streptopus amplexifolius var. americanus
L. P. Janeway
2006-8-6
8833
Butte
Northern High Sierra Nevada. Nea road along west side of lower Pinkard Creek, 1.2 road mi north of Lost Creek Reservoir dam. Along small creeklet near road.
1021
Comment
CAS-BOT-BC234615
Symphoricarpos mollis
F. N. Bassett
1923-7-16
s.n.
Butte
Jonesville via Butte Meadows
Comment
CHSC33645
Symphyotrichum bracteolatum
M. Merryman; R. Banchero
1979-9-2
29
Butte
Humboldt Rd at Butte Creek, 5.3 mi NE of jct Hwy 32 and Humboldt Rd.
1341
Comment
CAS-BOT-BC99046
Symphyotrichum cusickii
John Thomas Howell
1961-9-22
36791
Butte
Sierra Nevada - North Fork Feather River at ARch Rock Tunnel
Comment
JEPS118055
Symphyotrichum spathulatum
Lowell Ahart
2011-8-23
17650
Butte
In the large meadow, Pinkard Creek flows through the meadow, east of the corral, about 1 mile north of Lost Creek Reservoir Dam, about 4 miles (air) northeast of Clipper Mills
1133
Comment
CHSC94580
Symphyotrichum spathulatum var. spathulatum
Lowell Ahart
2006-9-9
13245
Butte
West side of a large meadow with bogs, about 75 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1560
Comment
CHSC38325
Symphyotrichum subulatum var. parviflorum
Vernon H. Oswald
1983-9-24
1044
Butte
Upper Bidwell Park, Chico, on the north edge of Upper Park Rd. at Diversion Dam.
128
Comment
CHSC3380
Syringa vulgaris
Robert L. Smith
1966-4-4
55
Butte
5 miles south of post office. Paradise.
Comment
SEINET10507799
Taeniatherum asperum
Mary Susan Taylor
1980-5-24
Taylor 2741
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC62907
Tamarix gallica
Vernon H. Oswald
1994-4-8
6088
Butte
Along Mud Creek at the intersection of Cohasset and Richardson Springs roads, N of Chico.
91
Comment
UC1246758
Tauschia hartwegii
Howard Scott Gentry and Steven Koch
1962-6-19
19767
Butte
along road from Chico 6-7 mi from Cohasset
609
Comment
CHSC104773
Tauschia kelloggii
L. P. Janeway
2010-7-20
10108
Butte
Northern High Sierra Nevada. Plumas National Forest; 2.6 air km southwest of Brush Creek along top of major ridge that trends southwest from Brush Creek, east of Galen Ridge; between Bald Rock Road and Road 21N31Y.
1027
Comment
CHSC26830
Tauschia kelloggii
M. S. Taylor
1978-5-6
1624
Butte
On n side of Ponderosa Way, ca. 4 mi e of Cohasset.
609
Comment
CHSC73734
Tauschia kelloggii
B. Castro
1997-4-30
726
Butte
Ca 2.2 air mi NE of Brush Creek and 1 mi ENE of Mtn. House, on S-facing slope of ridge overlooking Mtn House Creek. On n edge of USFS Rd 22N54, ca 1.1 rd mi E of the Oro-Qunicy hwy, at base of road cut.
1066
Comment
SD1746
Thalictrum occidentale
E. B. Copeland
1929-7-22
361
Butte
Joneville, low woods and damp brush
1500
Comment
CAS-BOT-BC88203
Thysanocarpus curvipes
A. A. Heller
1915-4-20
11855
Butte
Chico-Centers road 3 miles from Chico.
Comment
CAS-BOT-BC88226
Thysanocarpus curvipes
John Thomas Howell
1978-4-17
52841
Butte
Sierra Nevada. Table Mountain.
381
Comment
CHSC35022
Thysanocarpus curvipes
R. E. Preston
1982-3-25
202
Butte
Along dirt road on n side of Feather River canyon, ca. 1/2 mi e of Pulga.
487
Comment
CHSC90236
Thysanocarpus curvipes
Jody Henderson
1989-3-22
2
Butte
200 yds n of Rock creek, Hwy 99 to Meridian Rd to Kilkare ln, 6 mi. n of Chico, 0.25 se of Kilkare ln.
72
Comment
CHSC32672
Thysanocarpus curvipes var. curvipes
M. S. Taylor; L. Hanson
1981-3-16
3413
Butte
E side of Truex Rd, ca. 1/2 mi s of its jct with Hwy 70, ca. 7 mi n of Oroville.
304
Comment
JEPS110322
Tofieldia occidentalis subsp. occidentalis
Lowell Ahart
2006-7-25
13067
Butte
West part of a large meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows
1569
Comment
JEPS114716
Torilis arvensis subsp. purpurea
Lowell Ahart
2008-5-21
14766
Butte
Dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam
246
Comment
CHSC12766
Torilis nodosa
L. V. Ritter
1969-5-5
263
Butte
Ca 200 yds. w of Horseshoe Lake, Bidwell Park, 50 yds. n of the Park Rd.
Comment
CAS-BOT-BC81362
Torreya californica
Lewis S. Rose
1963-6-2
63072
Butte
2 mi south of Pulga, North Fork of Feather River
579
Comment
CHSC31452
Torreya californica
L. Ahart; M., K. Epperson
1980-10-26
2688
Butte
Near the Forbestown Reservoir Dam, ca. 3 mi ne of Forbestown.
400
Comment
NY17661
Torreya californica
W. S. Lyon
08 1890
4960
Butte
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
CHSC61656
Torreyochloa pallida var. pauciflora
Lowell Ahart
1993-9-13
7234
Butte
In Bolt Creek, about 1 mile south-east of Butte Meadows.
1325
Comment
UC1564746
Torreyochloa pallida var. pauciflora
V. Oswald and L. Ahart
1989-8-15
3940
Butte
1.2 air mi n of Philbrook Reservoir (Soda Ridge Road, 1.4 mi w of its junction with Coon Hollow Road, just n of lake visible from road); Soda Ridge Road
1752
Comment
CHSC30699
Toxicoscordion venenosum var. venenosum
M. S. Taylor
1980-5-27
2719
Butte
N side of Big Bald Rock Rd, ca. 1 mi e of Lake Madrone.
670
Comment
CHSC95042
Trautvetteria caroliniensis var. occidentalis
L. P. Janeway
2006-8-6
8832
Butte
Northern High Sierra Nevada. Near road along west side of Pinkard Creek, 1.2 road mi north of Lost Creek Reservoir dam. Along small creeklet near road.
1021
Comment
JEPS108967
Tribulus terrestris
Lowell Ahart
2006-9-13
13328
Butte
South of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, poor road on the north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville
452
Comment
SD239809
Trichostema lanceolatum
George K. Helmkamp, E. A. Helmkamp
2009-9-5
15590
Butte
Sacramento Valley: Palermo Road 0.3 miles East of its junction with CA-70, 6.1 miles ENE (76a^z) of Biggs (Palermo 7.5'Q)
57
Comment
UCD125856
Trichostema lanceolatum
W. R. Powell
1968-11-12
1612
Butte
Ellis Ranch, 200 yards north of La Porte Road, 4 miles southwest of Bangor.
91
Comment
UC478471
Trichostema oblongum
E. B. Copeland
1931-7-17
686
Butte
Jonesville, near head of South Willow Creek
1700
Comment
CHSC115398
Trifolium
Lowell Ahart
2015-3-27
19982
Butte
About 100 yards south of the fence, east of the canyon that is the south branch of Coal Canyon, about 1 mile (air) northwest of the improved parking area, North Table Mountain, about 8 miles north of Oroville.
375
Comment
UC764727
Trifolium albopurpureum
R. F. Hoover
1938-4-24
3243
Butte
3 mi n Chico
Comment
CHSC101705
Trifolium albopurpureum var. albopurpureum
Lowell Ahart
2009-4-26
15629
Butte
North side of Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
311
Comment
UC726502
Trifolium albopurpureum var. albopurpureum
A. A. Heller
1938-4-17
15037 A
Butte
Golf Links Chico
Comment
SEINET10874073
Trifolium bifidum
Mary Susan Taylor
1980-4-16
Taylor 2498
Butte
T21N R4E s sec 17 Cherokee quad. Lake Oroville State Recreation Area, up to 0.5 mi SE of Parish Camp, just S of Lime Saddle Memorial Park, ca. 5 mi S of Paradise; Foothill Woodland.
305
Comment
UC866713
Trifolium bifidum var. bifidum
A. A. Heller
1915-5-25
11894
Butte
ridge above Enterprize; Sierra Nevada
Comment
CHSC84336
Trifolium breweri
Lowell Ahart
2003-8-17
10512
Butte
Northeast of the buildings in Butte Creek House Meadow, about 3 miles northeast of Snag Lake, about 7 miles (air) east of Butte Meadows.
1771
Comment
UC398926
Trifolium breweri
E. B. Copeland
1929-7-20
376
Butte
Jonesville
1550
Comment
CDA27924
Trifolium ciliolatum
L. Ahart
2006-5-2
12553
Butte
Peter Ahart Ranch, about 2 1/2 miles north and 1 1/8 miles east of Honcut, about 12 miles southeast of Oroville.
Comment
CDA27932
Trifolium depauperatum
T. C. Fuller
1958-4-15
Butte
Highway 99E, 4 miles northwest of Oroville.
0
Comment
CHSC93379
Trifolium depauperatum var. depauperatum
Lowell Ahart
2006-4-27
12537
Butte
Pasture fields, Peter Ahart Ranch, about 1 1/4 miles north and 1 1/4 miles east of Honcut.
39
Comment
JEPS108886
Trifolium depauperatum var. depauperatum
Lowell Ahart
2006-4-27
12536
Butte
Pasture fields, Peter Ahart Ranch, about 1 1/4 miles north and 1 1/4 miles east of Honcut
39
Comment
CDA34245
Trifolium dubium
L. Ahart
2010-6-9
16784
Butte
About 1/4 mile south of the improved parking area and Cherokee Road; North Table Mountain, about 5 3/4 miles (air) northeast of Oroville.
Comment
CHSC65900
Trifolium fucatum
Vernon H. Oswald
1996-4-19
7390
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley. In adobe soil of a formerly irrigated pasture near the S end of the S paddock of Tract 7, Sanctuary II.
32
Comment
JEPS119701
Trifolium hirtum
Lowell Ahart
2012-5-2
17975 -A
Butte
West of the Government Pole Line, Upper Bidwell Park, about 3/4 mile east of Chico.
Comment
UC1586474
Trifolium hybridum
Vernon H. Oswald and Lowell Ahart
1991-7-15
4735
Butte
2.1 mi e junction (Forest Rd (Jordan Creek-Marble Creek Rd) and Oroville-Quincy Hwy, ca 5.75 air mi ne of Brush Creek)
1082
Comment
UCSC010672
Trifolium melananthum
Lowell Ahart
2015-6-6
20207
Butte
About 1/4 mile northwest of the old large parking area on North Table Mountain, about 7 air miles north of Oroville.
332
Comment
CDA42853
Trifolium oliganthum
L. Ahart
2012-4-3
17938
Butte
On both sides of Guardian Trail, about 400 yards north of Humboldt Trail, north of Bloody Pin Trail, about 1/8 mile west of Highway 32, about 8 miles northeast of Chico, south part of Upper Bidwell Park.
Comment
RSA795777
Trifolium oliganthum
L. Ahart
2012-4-30
17938
Butte
Both sides of Guardian Trail, about 400 yards north of Humboldt Trail, north of Bloody Pin Trail, about 1/8 mile west of Highway 32, about 8 miles northeast of Chico, south part of Upper Bidwell Park.
365
Comment
CHSC48586
Trifolium pratense
Vernon Oswald
1987-7-13
3101
Butte
Chico Meadows, ca. 1 mi n of Butte Meadows.
1292
Comment
CHSC69044
Trifolium productum
Lowell Ahart
1997-8-1
7774
Butte
On the bottom and sides of a streamlet of Little Kimshew Creek, in Snow Meadow, about 1/4 mile east of Table Mountain, about 8 (air) northeast of Stirling City.
1524
Comment
CHSC33119
Trifolium repens
M. S. Taylor
1981-5-5
3616
Butte
Along creek in Bryant Ravine at its jct with the spur rd off 21N35Y, ca. 1 mi s of Feather Falls trail-head, ca. 1 air mi n of Feather Falls community.
822
Comment
JEPS115321
Trifolium retusum
Lowell Ahart
2009-5-8
15660
Butte
On the south side of the gravel road, about 10 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico
67
Comment
CHSC117321
Trifolium subterraneum
B. Castro
2009-5-5
1781
Butte
Sacramento Valley. Ca 8 air mi NW of Oroville, 150 ft W of Hwy 99 and 0.5 mi S of Nelson Rd.
47
Comment
UCD109388
Trifolium subterraneum
Robert Kehlor
1951-4-14
s.n.
Butte
J. M. Kehlor Ranch, 6 1/4 miles east of Oroville.
Comment
JEPS120957
Trifolium tomentosum
Lowell Ahart
2013-4-29
18659
Butte
About 50 yards N of the corral at the barn, about 1/4 mile N of the Honcut Cemetery, about 3.25 air miles NE of Honcut,
Comment
SEINET10577424
Trifolium tridentatum var. tridentatum
A. Arthur Heller
1927-4-26
Heller 14352
Butte
Red clay soil near the Hooker Oak east of Chico, in the Quercus lobata belt. The type was collected near Chico by Mrs. Bidwell.
Comment
JEPS121956
Trifolium variegatum var. geminiflorum
Lowell Ahart
2014-7-7
19570
Butte
South of the intersection of Humbug Road and Philbrook Road, about 2 miles (air) northwest of Philbrook Reservoir.
Comment
CHSC109158
Trifolium variegatum var. variegatum
Lowell Ahart
2012-5-12
18024
Butte
On the east side of Ten Mile House Road, about 50 yards northeast of the Guardian Trail, about 1/4 mile (air) west of Highway 32, south part of Upper Bidwell Park, about 9 miles (air) northeast of Chico.
423
Comment
CHSC114954
Trifolium variegatum var. variegatum
Lowell Ahart
2015-3-27
19971
Butte
On the south side between the north and south branch of Coal Canyon, about 1/4 mile southwest of Coal Canyon Falls, about 1-1/2 miles (air) northwest of the improved parking area, North Table Mountain, about 8 miles north of Oroville.
371
Comment
JEPS107914
Trifolium variegatum var. variegatum
Lowell Ahart
2005-5-11
11803
Butte
Steep slope on the south side of Beatson Hollow, southwest of drainage entering Beatson Hollow, about 1 1/4 miles northwest of the poor dirt road off of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville
280
Comment
SEINET10577381
Trifolium variegatum var. variegatum
A. Arthur Heller
1913-4-7
Heller 10734
Butte
Hills six miles north of Oroville.
Comment
CHSC113203
Trifolium willdenovii
Lowell Ahart
2014-5-2
19423
Butte
Along the north fence, about 3/5 mile northwest of the Improved Parking Area and Cherokee Road, North Table Mountain, about 8 miles (air) north of Oroville.
408
Comment
CHSC93485
Trifolium willdenovii
Lowell Ahart
2006-5-8
12609
Butte
North of Phantom Falls, about 3/4 mile northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
384
Comment
JEPS122137
Trifolium willdenovii
Lowell Ahart
2014-5-2
19423
Butte
About 3/5 mile northwest of the Improved Parking Area and Cherokee Road, North Table Mountain, about 8 miles (air) north of Oroville.
Comment
CHSC29827
Triglochin scilloides
M. S. Taylor; R. S. Schlising, L. Ahart
1980-5-31
2772
Butte
E side of Kunkle Reservoir, ca. 1/4 mi e of Pentz-Magalia Hwy, ca. 3 mi s of Paradise.
441
Comment
CHSC46426
Triglochin scilloides
Lowell Ahart
1989-5-23
6240
Butte
On the bottom of a small stream, north of the new subdivision road, 1/2 mile east of Dunstone Drive, about 1/2 mile north of Bangor Park Road, west of Bangor.
76
Comment
CHSC57836
Triglochin scilloides
Vernon H. Oswald
1992-4-7
4893
Butte
East side of the dike along Butte Creek Diversion Channel, ca. 500 ft N of the Skyway in south Chico. On the bottom of a vernal pool.
70
Comment
POM109195
Trillium albidum
C. C. Bruce
1897-05
53
Butte
Butte Creek.
Comment
SEINET3450900
Triodanis perfoliata
Lowell Ahart, John Dittes, Josephine Guardino, Steve Green
2003-5-27
10219
Butte
Chico, Chico, Upper Bidwell Park, about 3.5 miles east of Manzanita Avenue, about 150 yards west of Bear Hole, just north of Parking Area J, just above the Iahi Trail on the water ditch, just south of a mall drainage
120
Comment
UC175547
Triphysaria eriantha subsp. eriantha
A. A. Heller
1913-4-6
10717
Butte
e Chico (along Big Chico Creek); along Big Chico Creek
Comment
HSC43121
Triphysaria eriantha subsp. eriantha
Maralyn O'Meara
1974-4-20
274
Butte
Along Pentz Rd. 300 yds. S of the intersection with Clark Rd.
76
Comment
UC1334882
Triphysaria eriantha subsp. eriantha
L. D. Thurman
1963-5-3
233
Butte
on U.S. Highway 99E at the junction with Pentz Road 18 mi n Marysville
60
Comment
JEPS105937
Triphysaria versicolor subsp. faucibarbata
Lowell Ahart
2004-4-4
10727
Butte
In a pasture, on the north side of Richvale Highway, about 1/2 mile east of Richvale
32
Comment
CHSC61378
Trisetum canescens
Lowell Ahart
1993-7-29
7127
Butte
Bottom of a wash, about 100 yards south-west of the Snow Mine, about 2 1/2 miles north-east of Bald Mountain, about 6 1/2 miles north-east of Stirling City.
1524
Comment
CHSC94259
Trisetum canescens
Lowell Ahart
2006-7-16
12967
Butte
West edge of a large meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1569
Comment
UC1594671
Trisetum canescens
Lowell Ahart
1992-7-27
6866
Butte
about 2 mi nw Four Trees (near Wildcat Creek, about 2 mi w of the Oroville-Quincy Highway, about 2 mi ne of Coyote Gap)
1219
Comment
CHSC44180
Trisetum spicatum
V. Oswald; L. Ahart
1988-7-26
3624
Butte
Snow Mt. region located ca. 6 air mi se of Jonesville.
2042
Comment
CHSC64680
Triteleia bridgesii
H. H. Schmidt; M. Merello, L. Woodruff
1993-6-15
857
Butte
Plumas National Forest on state road 23N06 1.5 miles N of the junction with highway 70.
880
Comment
RSA376804
Triteleia bridgesii
M. M. Boney
s.n.
Butte
[No locality information provided]
Comment
CHSC24696
Triteleia hyacinthina
L. Casto
1976-4-28
19
Butte
50 yd s of Skyway, ca. 4 mi e of intersection of Hwy 99 and Skyway.
182
Comment
CHSC30999
Triteleia hyacinthina
M. S. Taylor
1980-5-27
2713
Butte
Little Bald Rock, ca. 3 mi s of Brush Creek.
1016
Comment
CAS-BOT-BC521614
Triteleia hyacinthina
C. R. Quick
1941-6-8
41 -03
Butte
About 2 miles S. of Big Bar. Mt.
Comment
RSA256663
Triteleia hyacinthina
Kitsy Kelly
1974-4-20
14
Butte
300 yards south of the intersection of Pentz and Clark Roads
61
Comment
SEINET10472657
Triteleia hyacinthina
Mary Susan Taylor
1980-5-27
Taylor 2713
Butte
T21N R6E nw sec 29. Big Bend quad. Little Bald Rock, ca. 3 mi S of Brush Creek; granitic dome within Yellow Pine Forest.
1016
Comment
CHSC49485
Triteleia ixioides subsp. anilina
Vernon Oswald
1984-6-11
1276
Butte
Humboldt Rd. between Lomo and Butte Meadows, 2.0 mi ne of Hwy 32.
1380
Comment
CHSC104750
Triteleia ixioides subsp. scabra
L. P. Janeway
2010-6-19
10020
Butte
Northern High Sierra Nevada. About 1.2 km south of Bald Rock Dome near a saddle along the ridge between Middle Fork Feather River and Bean Creek drainage; along Bean Creek Road at spur road to Dome Trail trailhead.
858
Comment
CAS-BOT-BC522090
Triteleia ixioides subsp. scabra
Lowell Ahart
1988-6-29
6107
Butte
At the intersection of Bean Creek Road and the road to the Andy Smith Ranch, about 1 1/2 miles southeast of Little Bald Rock
914
Comment
CAS-BOT-BC522096
Triteleia ixioides subsp. scabra
Lewis S. Rose
1933-5-26
33183
Butte
Feather River Canyon, 5 miles east of Oroville
152
Comment
CAS-BOT-BC522167
Triteleia laxa
Junea Kelley
1920-4-24
s.n.
Butte
Los Vergils
Comment
CHSC3530
Triteleia lilacina
John Francis
1966-4-6
98
Butte
0.7 mile N. of intersection of Pentz Rd., and Hwy. 99E on Pentz Rd.
Comment
CHSC3840
Triteleia lilacina
L. E. Dunkel
1965-3-30
12
Butte
On Table Mountain.
335
Comment
JEPS124003
Tuberaria guttata
Lowell Ahart
2015-4-18
20044
Butte
About 1/2 mile southwest of Dutch Ravine, about 8 miles (air) southeast of Oroville.
Comment
JEPS127088
Tuberaria guttata
Lowell Ahart
2016-4-15
20745
Butte
About 1/2 mile southwest of Dutch Ravine, about 8 miles (air) southeast of Oroville.
Comment
CHSC14135
Tuctoria greenei
F. T. Griggs
1973-8-19
123
Butte
10 miles s of Chico; 0.4 miles s of intersection of Pentz Road and U.S. 99E. Plants located in s portion of an ephemeral pond.
Comment
CHSC46304
Tuctoria greenei
Vernon Oswald
1989-5-17
3775
Butte
Wurlitzer Unit, Vina Plains Preserve. In a vernal pool just n of the farm pond.
56
Comment
CHSC42513
Turritis glabra
Lowell Ahart
1987-5-12
5643
Butte
South of Lumpkin Ridge Road, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
1280
Comment
CHSC31005
Typha domingensis
M. S. Taylor
1978-7-21
1849
Butte
On se corner of Richvale East Rd and Erickson Rd, Richvale, in ricefield.
30
Comment
JEPS119836
Umbellularia californica
Lowell Ahart
2012-3-23
17796
Butte
On the north side of Ten Mile House Road, about 1/2 mile west of Highway 32, about 9 miles (air) northeast of Chico.
Comment
CHSC29989
Uropappus lindleyi
J. D. Jokerst
1979-3-31
184
Butte
Bottom of Little Chico Creek Canyon adjacent to and SE of creek.
Comment
JEPS104297
Uropappus lindleyi
Lowell Ahart
2003-5-15
10178
Butte
On the w side of North Honcut Creek, ca 2 1/2 mi n and 2 2/3 mi e of Honcut, ca 12 mi se of Oroville.
60
Comment
CHSC49828
Urospermum picroides
Vernon Oswald
1990-4-11
4161
Butte
Upper Miocene Canal between Kunkle Reservoir and the jeep trail cutting down the slope above the West Branch of Lake Oroville. On the downhill side of the canal.
426
Comment
CHSC110391
Urtica dioica subsp. holosericea
Lowell Ahart
2012-9-28
18464
Butte
About 30 yeards north of Big Chico Creek, about 200 yards east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
64
Comment
CAS-BOT-BC418638
Vaccinium
Peter F. Zika; Barbara L. Wilson; Lowell Ahart; Lawrence Janeway
2011-8-5
25710
Butte
0.5 air miles northeast of Little Bald Rock, northeast of and below Bean Creek Road, 0.6 miles from Bald Rock Road
1005
Comment
CHSC33244
Vaccinium membranaceum
R. A. Schlising; R. Banchero
1980-7-14
3889
Butte
1.1 mi S of Inskip along Skyway.
Comment
CHSC115724
Vaccinium shastense subsp. shastense
Len Lindstrand III
2013-6-5
Butte
Bean Creek Road, approximately 0.5 mi north of Little Bald Rock, in an unnamed drainage tributary to Brush Creek.
1021
Comment Read comments Jan 25 2019
SBBG26826
Vaccinium uliginosum
E. B. Copeland
1930-6-24
438
Butte
Jonesville
1500
Comment
CHSC46354
Velezia rigida
Lowell Ahart
1989-5-10
6223
Butte
At the end of the dirt road that leads to Lake Oroville, near the high water line of Lake Oroville, about 1/12 mile north-west of the West Branch Bridge across Lake Oroville.
280
Comment
CHSC50981
Veratrum californicum var. californicum
Pauleen Broyles
1987-7-19
1080
Butte
Ca. 7.2 km (air) NE of Inskip.
1728
Comment
CHSC38716
Verbascum blattaria
Vernon Oswald
1983-5-25
552
Butte
Upper Bidwell Park, Chico, 400 ft n of Upper Park Rd. at Diversion Dam.
134
Comment
UCD124730
Verbascum thapsus
L. E. Hazeltine
1916-7-3
s.n.
Butte
Chico.
Comment
CHSC49452
Verbena bonariensis
Vernon Oswald
1987-7-5
3092
Butte
Ranch De Farwell. E. side of Sacramento River just upstream from Golden State Island (perhaps technically in Glenn Co. because of shifting channel).
33
Comment
UCD126114
Verbena litoralis
G. K. Helmkamp; E. A. Helmkamp
2007-10-7
13068
Butte
Northern Sacramento Valley: East Gridley Road at the west edge of the Feather River bridge.
27
Comment
UCR219093
Verbena litoralis
George K. Helmkamp, E. A. Helmkamp
2009-9-5
15571
Butte
Sacramento Valley, Lower Honcut Road, 0.8 mile east of its junction with CA-70, 2.5 mi. WSW (261 deg. ) of Honcut, 6.6 mi. SE (116 deg. ) of Gridley
27
Comment
UCD126109
Verbena litoralis
L. Ahart
1982-7-10
3678
Butte
1/4 mi east of HQ, Graylodge Wildlife Refuge, ca. 13 miles southwest of Gridley.
35
Comment
SEINET10931404
Verbena robusta
Lowell Ahart
1985-5-6
Ahart 4937
Butte
Bottom of Lindo Channel, about 1/10 mile east of Longfellow Ave., Chico.
Comment
CHSC71656
Veronica americana
Vernon H. Oswald; Lowell Ahart
1998-8-11
9467
Butte
USFS 28N35 at a branch of Wildcat Creek ca. 1 mi north of Four Trees-Coyote Gap Rd.
1396
Comment
CHSC98968
Veronica americana
Lowell Ahart
2008-5-12
14736
Butte
Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam.
258
Comment
JEPS114720
Veronica americana
Lowell Ahart
2008-5-12
14736
Butte
Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam
258
Comment
JEPS114727
Veronica americana
Lowell Ahart
2008-5-8
14715
Butte
Below the high water line of Lake Oroville, about 150 yards south of the poor parking area, on the east side of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville
259
Comment
RSA724852
Veronica anagallis-aquatica
L. Ahart
2006-9-28
13375
Butte
East side of the North Fork of the Feather river, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel.
445
Comment
CHSC112194
Veronica peregrina subsp. xalapensis
Lowell Ahart
2013-4-20
18560
Butte
In corral at the barn, about 1/4 mile north of the Honcut Cemetary, about 3 1/4 mile (air) northeast of Honcut.
47
Comment
CHSC27845
Veronica peregrina subsp. xalapensis
K. Bridwell
1978-4-18
98
Butte
Intersection of Broyles Rd and Hwy 99, ca. 12 mi n of Chico.
76
Comment
UCD124762
Veronica peregrina subsp. xalapensis
M. S. Taylor; J. D. Jokerst
1980-3-28
2399
Butte
Valley Grassland, just east of Chico, northeast corner of junction of Notre Dam Blvd and the Skyway.
68
Comment
JEPS113140
Veronica persica
Lowell Ahart
2007-3-12
13593
Butte
At the information sign, north side of Rutherford Road, 50 yards west of Pennington Road, Gray Lodge Wildlife Area (Gray Lodge Waterfowl Management Area), about 6 miles (air) southwest of Gridley
21
Comment
JEPS87776
Veronica persica
Lowell Ahart
1994-3-30
7276
Butte
about 7 mi n of Oroville (garden area at the ne corner of Oregon City School House, Oregon City); Oregon City, Oregon City School House
365
Comment
CHSC27206
Viburnum tinus
P. Moyer
1972-3-11
124
Butte
Across from new L. S. Bldg., on So-wil-len-no Ave.
60
Comment
CHSC30705
Vicia americana var. americana
M. S. Taylor
1980-5-27
2731
Butte
On n side of Bald Rock Rd, ca. 0.5 mi e of its jct with Oroville-Quincy Hwy, ca. 0.5 mi s of Lake Madrone.
701
Comment
CHSC87542
Vicia americana var. americana
R. D. Fischer
2004-4-7
76
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Found next to 10 Mile House Road as it parallels Big Chico Creek, approx. 0.4 miles from end of park property.
220
Comment
RSA4422
Vicia americana var. americana
E. B. Copeland
1931-7-1
655
Butte
Jonesville.
1500
Comment
SEINET10451929
Vicia americana var. villosa
Mary Susan Taylor
1981-5-5
Taylor 3612
Butte
T20N R6E nw sec 11, Forbestown quad. W side of spur rd, ca. 0.5 mi N of its jct with 21N35Y-Bryant Ravine Rd, ca. 1 air mi N of Feather Falls community. Yellow Pine Forest; 2800 ft.
853
Comment
UCD108783
Vicia benghalensis
Morton D. Morse
1961-5-1
s.n.
Butte
location unknown.
Comment
CHSC110106
Vicia sativa subsp. nigra
L. P. Janeway
2012-5-29
10828
Butte
Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 4.3 road km north of Lower Forbestown Road; 1.4 air km south of the Ponderosa Reservoir dam.
485
Comment
SD3140
Viola adunca
E. B. Copeland
1931-5-9
662
Butte
Jonesville, in damp woods
1500
Comment
SEINET11980760
Viola douglasii
Unknown
5
Butte
State Normal School, Chico
Comment
CHSC33567
Viola glabella
M. S. Taylor
1981-5-14
3727
Butte
E side of 23N94, up Wildcat Creek (and nearby creeks) ca. 1 mi ne of Four Trees Rd, ca, 1 mi w of Four Trees on Oroville- Quincy Hwy.
1371
Comment
CHSC99563
Viola glabella
L. P. Janeway
2008-6-15
9417
Butte
Northern High Sierra Nevada. Along Concow Road 1.1 road km southwest of Philbrook Road; north-facing slopes above the east end of Philbrook Reservoir.
1729
Comment
CAS-BOT-BC530162
Viola lobata
H. F. Copeland
1929-6-11
1207
Butte
near Jonesville
1524
Comment
SD7609
Viola lobata
Daniel Cleveland
1882-7-4
Butte
Sutton House
Comment
CHSC63228
Viola lobata subsp. lobata
Lowell Ahart
1994-7-24
7522
Butte
On the east side of a poor logging road, on the east side of Willow Creek, about 1/4 mile north of the dirt road, about 1 1/2 miles (air) north of Jonesville.
1645
Comment
SEINET10871578
Viola lobata subsp. psychodes
Mary Susan Taylor, L. Hanson
1981-4-29
Taylor 3574
Butte
T22N R6E Brush Creek quad. S side of dirt rd, ca. 2 air mi SW of Merrimac and Oroville-Quincy Hwy, ca. 6 air mi NW of Brush Creek. Yellow Pine Forest.
Comment
POM219290
Viola macloskeyi
H. F. Copeland
1927-5-6
227
Butte
Jonesville.
1524
Comment
CHSC71194
Viola purpurea subsp. quercetorum
Lowell Ahart
1998-6-3
7974
Butte
About 1/4 mile north of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
POM173373
Viola purpurea subsp. venosa
H. F. Copeland
1927-5-6
1006
Butte
Jonesville.
Comment
CHSC49465
Viola sheltonii
Vernon Oswald
1984-4-9
1122
Butte
Feather Falls Trail, 0.4 trail mi. n of the trail head at the end of Bryant Ravine Rd.
762
Comment
CAS-BOT-BC203026
Vitis californica
John Thomas Howell
1961-9-22
36761
Butte
North Fork of Feather River, 10 miles from Oroville
Comment
CHSC28604
Vulpia bromoides
M. S. Taylor
1976-3-23
1034
Butte
Near vernal pool, sw corner of Broyles Rd and Hwy 99 jct, ca. 11 mi n of Chico.
60
Comment
CHSC47647
Vulpia bromoides
Lowell Ahart
1977-4-15
1293
Butte
On a gravel bar in a wash, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/4 miles east of Honcut, about 12 miles south of Oroville.
39
Comment
CAS-BOT-BC199944
Vulpia microstachys var. ciliata
John Thomas Howell
1962-6-16
37562
Butte
Magalia
731
Comment
CHSC6709
Vulpia microstachys var. ciliata
V. Hagaman
1968-4-18
546
Butte
2 miles S. of Cherokee, along hwy.
Comment
CHSC93452
Vulpia microstachys var. ciliata
Lowell Ahart
2006-5-10
12619
Butte
Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga.
354
Comment
CDA34162
Vulpia microstachys var. microstachys
L. Ahart
2009-4-22
15600
Butte
West side of Guardian s Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road. Approximately, 10 miles northeast of Chico.
Comment
JEPS110115
Vulpia microstachys var. pauciflora
Lowell Ahart
2006-5-10
12620
Butte
Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga
354
Comment
CAS-BOT-BC184699
Vulpia myuros subsp. megalura
Lowell Ahart
1987-5-6
5567
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
271
Comment
CAS-BOT-BC184700
Vulpia myuros subsp. megalura
Lowell Ahart
1990-9-11
6410
Butte
Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville
289
Comment
CAS-BOT-BC184706
Vulpia myuros subsp. megalura
A. A. Heller
1914-4-6
11269
Butte
Low hills 8 miles north of Oroville
Comment
POM352987
Vulpia myuros var. hirsuta
L. Ahart, P. Ahart
1984-6-10
4705
Butte
About 2 miles SW of Forbestown Diversion Dam, NE of Forbestown.
700
Comment
RSA712859
Vulpia myuros var. hirsuta
L. Ahart
2006-5-8
12583
Butte
West of the wash, about 1/2 mile north of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) nor of Oroville.
399
Comment
SEINET10508434
Vulpia myuros var. hirsuta
Mary Susan Taylor
1980-5-27
Taylor 2693
Butte
T21N R6E sc sec 30. Big Bend quad. On Big Bald Rock, ca. 3 mi E of Lake Madrone; Yellow Pine Forest, large granite dome
998
Comment
CHSC39830
Woodwardia fimbriata
Maxey; Jones
1928-4-25
Butte
Butte Creek Canyon.
Comment
RSA0036430
Wyethia angustifolia
Lowell A. Ahart
2012-5-20
18090
Butte
On the east side of the Humboldt Trail, northeast of the Disc Golf Course, southeast part of Upper Bidwell Park, northeast of Chico.
366
Comment
SEINET10872089
Wyethia angustifolia
Mary Susan Taylor
1980-5-27
Taylor 2647
Butte
T21N R6E sc sec 30. Big Bend quad. On trail (around parking lot) to Big Bald Rock, ca. 3 mi E of Lake Madrone; Yellow Pine Forest, granitic soils.
998
Comment
CHSC41862
Xanthium strumarium
Lowell Ahart
1986-10-16
5408
Butte
Below the high water line of Lake Oroville, about 1/10 mile east of the Enterprise Launch Area, about 1/4 mile south-west of Lumpkin Road, north-east of Oroville.
274
Comment
CAS-BOT-BC383679
Xanthium strumarium
A. A. Heller
1926-9-10
14334
Butte
Near the Sacramento River on the Chico-Orland highway
Comment
SEINET10454621
Yabea microcarpa
Lowell Ahart
1984-4-3
Ahart 4539
Butte
T17N R4E sec 1. Along North Honcut Creek, ca. 1 mile N and 2.7 miles E of Honcut; on Peter Ahart Ranch. Foothill Woodland; 50 m.
50
Comment
UCD149933
Zannichellia palustris
A. W. Miller
1956-8-21
s.n.
Butte
Gray Lodge.
Comment
CHSC78252
Zeltnera venusta
Lowell Ahart
2000-6-27
8509
Butte
Big Bald Rock, about 3 miles (air) east of madrone Lake, about 12 miles (air) northeast of Oroville.
993
Comment
CAS-BOT-BC530966
Zigadenus exaltatus
L. S. Rose
1933-5-30
s.n.
Butte
Unspecified
Comment
CHSC106016
Ziziphus jujuba
Jean Shepard
2006-7-30
799
Butte
Chico, 1712 Park Ave., grounds of Budget Motel.
Comment