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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CAS-BOT-BC331607
Acer macrophyllum
A. A. Heller
1914-7-14
11575
Butte
Canon of Big Chico Creek
Comment
CAS-BOT-BC331611
Acer macrophyllum
Lowell Ahart
1982-5-8
3409
Butte
Near the Forbestown Res. About 1 mile SW of the Forbestown Res., about 4 miles NE of Forbestown.
800
Comment
CHSC44463
Acer macrophyllum
Lowell Ahart
1988-3-27
5934
Butte
along a dirt road west of the Poe Power House, east of the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap.
274
Comment
CHSC3860
Acer palmatum
Gary Dutton
1966-4-13
208
Butte
CSC; South side of admin. bld. In front lawn. Chico
Comment
SEINET10971290
Achillea
Mary Susan Taylor
1981-5-21
Taylor 3764
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
CHSC25443
Achillea millefolium
Marc Hayes; Warner
1977-9-11
82
Butte
Along Butte Meadows Rd. (Humboldt Rd) below Jonesville, exactly 9.2 mi from junction with Hwy 32, near piped spring adjacent Cherry Hill campground.
1280
Comment
CHSC42447
Achnatherum lemmonii
Lowell Ahart
1987-5-9
5583
Butte
Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga.
365
Comment
SEINET5585614
Achnatherum lettermanii
E. B. Copeland
1929-1
342
Butte
Jonesville
1550
Comment
CHSC94138
Achnatherum occidentale subsp. californicum
Lowell Ahart
2006-6-24
12859
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
UC600786
Achnatherum occidentale subsp. californicum
E. B. Copeland
July 1929
Butte
yellow pine woods Jonesville
1600
Comment
UCSB63843
Achnatherum occidentale subsp. pubescens
Ahart, Lowell
1997-8-1
Butte
E of Little Kimshew Creek, E of Snow Meadow, ca. 1/4 mi E of table Mtn., ca. 8 mi by air NE of Stirling City. T25N, R5E, Section 33.
1524
Comment Read comments Jun 8 2012
CHSC94126
Achnatherum stillmanii
Lowell Ahart
2006-6-24
12852
Butte
On the east side of the dirt road (Ponderosa Way), on Cohasset Ridge, about 3 1/2 miles (air) northeast of Cohasset.
1130
Comment
CHSC38316
Achyrachaena mollis
Vernon Oswald
1983-4-20
354
Butte
Upper Bidwell Park, Chico, near the s-w corner of the Omicron Enclosure (near the n boundary of the park ca. 500 ft e of the junction of Upper Park Rd. and Wildwood Ave.).
85
Comment
CHSC886
Acmispon americanus var. americanus
V. Holt
1931-6-3
Butte
Forest Ranch.
548
Comment
CHSC46221
Acmispon argophyllus var. fremontii
Pauleen Broyles
1987-6-19
1056
Butte
Ca 13 km ne of Oroville. Ca 1.6 km s of Crystal Hill between middle and south forks of Feather River on Lake Oroville.
360
Comment
CHSC50667
Acmispon argophyllus var. fremontii
Lowell Ahart
1990-5-25
6482
Butte
Near 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.
274
Comment
JEPS98263
Acmispon argophyllus var. fremontii
Lowell Ahart
2000-6-27
8516
Butte
Big Bald Rock, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville.
993
Comment
SBBG121600
Acmispon argophyllus var. fremontii
L. Ahart
2007-5-29
13937
Butte
E side of Bald Rock Dome on W side of the Dome Trail, ca. 2 mi (air) NE of Big Bald Rock, ca. 16 mi (air) NE of Oroville
585
Comment
JEPS122005
Acmispon nevadensis var. nevadensis
Lowell Ahart
2014-5-13
19459
Butte
Below the high water line of Lake Oroville, above the old paved road, about 150 yards west of the Enterprise Boat Ramp, about 11 miles (air) east of Oroville.
Comment
CHSC879
Acmispon parviflorus
A. Koopman
1929-4-21
Butte
Near Pentz.
152
Comment
CHSC40418
Acmispon strigosus
Lowell Ahart
1985-5-31
5034
Butte
About 25 feet below the high water line of Lake Oroville, 1/8 mile east of the Enterprise Launch Area, about 1/2 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville.
274
Comment
SD1731
Aconitum columbianum
E. B. Copeland
1929-7-22
363
Butte
Jonesville, moist glades and thickets
1500
Comment
CAS-BOT-BC418782
Aconogonon phytolaccifolium
A. A. Heller
1914-8-8
11672
Butte
At Jonesville
1524
Comment
CAS-BOT-BC29851
Adenocaulon bicolor
A. A. Heller
1917-7-26
12830
Butte
Butte Meadows
1280
Comment
CAS-BOT-BC133127
Adenostoma fasciculatum
Ella Dales Cantelow
1940-5-10
4293
Butte
E. of Oroville, Old road to Bucks Lake
Comment
CHSC48839
Adenostoma fasciculatum
Vernon Oswald
1986-5-6
1994
Butte
Cohasset Ridge along the dirt road paralleling Cohasset Hwy on the south.
457
Comment
CAS-BOT-BC69659
Adiantum aleuticum
Lowell Ahart
1980-9-10
2635
Butte
3 mi. ne. of Milsap Bar.
1100
Comment
UC1481724
Adiantum capillus-veneris
H. M. Hall
1914-7-7
9754
Butte
Honey-Run Grade
304
Comment
CHSC106576
Adiantum jordanii
C. Arnett
2008-2-19
Butte
Fern Wall, Bidwell Park.
89
Comment
CHSC21827
Adiantum jordanii
B. L. Wiley
1975-4-4
5
Butte
Ca. 100 yds s of Butte Creek and 0.4 mi w of Covered Bridge, 6.4 mi ese of Chico.
115
Comment
CHSC23644
Adiantum jordanii
M. S. Taylor
1976-4-4
1059
Butte
On s side of Ponderosa Way, ca. 4 mi w of junc of Ponderosa Way and Hwy 32, ca. 23 mi ne of Chico.
487
Comment
CHSC41132
Adiantum jordanii
R. A. Hunt
1976-4-28
1
Butte
Ca. 1 km n on Helltown Rd on steep embankment on e side of road. Ca. 18.5 km ene of CSU@Chico on course 66 degrees 30 minutes. In Butte Canyon ca. 1 km n of junction of Helltown Rd. and Humbug Rd.
225
Comment
SEINET10470272
Adiantum jordanii
Lowell Ahart, Peter Ahart
1983-6-30
Ahart 4172
Butte
T21N R4E ne sec 11. Dark Canyon, along old Hwy 40, ca. 4 mi s of Jarbo Gap, ne of Oroville. Foothill Woodland; 350 m.
350
Comment
CDA1674
Aegilops triuncialis
L. Ahart
2000-5-16
8357
Butte
West of Larkin Road, about 1 1/4 miles south of the Oroville Airport. About 5 miles (air) southwest of Oroville. On the north side of the access road to the boat ramp at the Thermalito Afterbay.
Comment
CHSC77486
Aesculus californica
Anna Pinsky
1997-4-24
17
Butte
Chico, Upper Bidwell Park, Salmon Hole, 100 ft. above Big Chico Creek, on grassy hill between large rock outcrops.
Comment
UC138055
Aesculus californica
Mrs. R. M. Austin
May 1896
134
Butte
Little Chico Creek
Comment
CHSC46609
Agoseris glauca var. monticola
Vernon H. Oswald
1989-7-27
3898
Butte
Meadow at Butte Creek House, ca. 3.3 mi (air) SE of Jonesville.
1767
Comment
CAS-BOT-BC22967
Agoseris heterophylla
Lowell Ahart
1987-5-12
5636
Butte
South of Lumpkin Ridge Road, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls
1280
Comment
CAS-BOT-BC13345
Agoseris retrorsa
Lowell Ahart
1987-5-9
5603
Butte
Along Pulga Road about 2 mi SW of Bardees Bar along the North Fork of the Feather River, about 4.5 mi SW of Pulga
365
Comment
CHSC87538
Agoseris retrorsa
R. D. Fischer
2004-4-20
133
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located along Humboldt Trail, approx. midway.
411
Comment
CAS-BOT-BC447798
Agrimonia gryposepala
Sally Bianco
1995-8-30
1023
Butte
NE margin of Concow Lake near Hoffman Rd. off Concow Rd. Peninsuka between creek and lake
670
Comment
CHSC31730
Agrostis avenacea
L. Ahart
1977-4-29
1335
Butte
Peter Ahart Ranch, Honcut.
50
Comment
SEINET10855011
Agrostis avenacea
Lowell Ahart
2008-5-21
Ahart 14779
Butte
T20N, R6E, southwest 1/4 Section 33. Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, about 1.4 mile northwest of the Ponderosa Dam.
246
Comment
SEINET3916089
Agrostis avenacea
Thomas W. Nelson, Jane P. Nelson
1976-5-9
2461
Butte
At intersection of Palermo Rd. & S.R. 70 ca. 4 mi. south of Oroville. Represents possible range extension.; 0
Comment
UC1562427
Agrostis avenacea
Lowell Ahart
1990-5-25
6492
Butte
e Enterprise Boat Launch Area (about 1/8 mi nw of the Enterprise Bridge across Lake Oroville); Lake Oroville
259
Comment
CHSC34033
Agrostis exarata
L. Ahart
1981-7-7
2916
Butte
Ca. 1 mi s of the Oroville Forbestown Rd on the Hurleton Swedes Flat Rd.
600
Comment
JEPS104036
Agrostis exarata
Lowell Ahart
2003-6-30
10333
Butte
In the gutter on the n side of Fields Ridge Rd, n of the Ponderosa Reservoir, ca 3 mi (air) n of Forbestown.
491
Comment
CAS-BOT-BC139437
Agrostis hyemalis
A. A. Heller
1914-7-23
11613
Butte
In Chico Meadows.
1219
Comment
CHSC43171
Agrostis idahoensis
Robert Banchero
1981-7-18
601
Butte
Ca 0.3 mi e of jct Jonesville Rd and Scotts-John Rd.
1749
Comment
JEPS107754
Agrostis microphylla
Lowell Ahart
2005-5-11
11793
Butte
In swales between vernal pools, south part of North Table Mountain, about 200 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
358
Comment
SEINET10510279
Agrostis microphylla
Lowell Ahart
1988-5-28
Ahart 6007
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville, Butte County. Uncommon. Valley Grassland.
37
Comment
CAS-BOT-BC139079
Agrostis pallens
Lowell Ahart
1987-7-10
5818
Butte
Near Forbestown Road, east of the intersection of Forbestown Road and Black Bart Road, about 1 mile west of Robinson Mill Road, about 6 miles southwest of Forbestown.
670
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
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
UC1564767
Agrostis variabilis
V. Oswald and L. Ahart
1989-8-22
3958
Butte
ca 3.5 mi (air) se Jonesville (Butte Creek House Meadow on e side Humbug Road); Butte Creek House Meadow
1767
Comment
JEPS122219
Alisma lanceolatum
Lowell Ahart
2014-4-25
19405
Butte
On the west side of Richvale South Highway, south of the intersection of Richvale West Road and Richvale South Highway, Richvale.
Comment
JEPS88257
Alisma plantago-aquatica
Vernon H. Oswald and Lowell Ahart
1996-6-10
7764
Butte
US Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (along edge of slough near center of e side of Tract 5, Sanctuary I); Sacramento River National Wildlife Refuge, Llano Seco Unit
30
Comment
CAS-BOT-BC445431
Alisma triviale
Lowell Ahart
1972-7-5
s.n.
Butte
Peter Ahart Ranch, Honcut.
150
Comment
CHSC85425
Allium amplectens
John Dittes
1992-5-5
467
Butte
Sierra Nevada Range Foothills; ca. 2.6 air-miles southeast of Paradise Civic Center, ca. 1.8 air-miles west of West Branch Feather River, ca. 1.3 air-mile northwest of Kunkle Reservoir; slope above tributary drainage of Dry Creek, south of terminus of Libby Road.
445
Comment
UC767479
Allium amplectens
R. F. Hoover
1938-4-24
3246
Butte
3 mi n Chico
Comment
SEINET10472028
Allium amplectens
Mary Susan Taylor
1981-5-21
Taylor 3769 A
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
SEINET3883765
Allium amplectens
D. W. McNeal
1974-4-24
1426
Butte
Along Hwy. #70, 4.4 mi. s. of the Oroville Dam Exit (Hwy. #126).; 0
Comment
UCSB63599
Allium amplectens
Hess, Vineca
1986-4-12
Butte
Ridge n of Horseshoe Lake, vic. Chico Municipal Golf Course
91
Comment
UC600453
Allium campanulatum
H. F. Copeland
1930-7-19
1330
Butte
Jonesville
1524
Comment
UC843257
Allium campanulatum
A. A. Heller
1938-5-28
15113
Butte
22 mi from Oroville (along Feather River Highway); Feather River Highway
609
Comment
SEINET12053527
Allium lacunosum
Unknown
4
s.n.
Butte
Butte
Comment
POM169466
Allium membranaceum
Kate Conger
s.n.
Butte
Brush Creek
Comment
SEINET10872298
Allium membranaceum
Lowell Ahart, Peter Ahart
1984-6-10
Ahart 4698
Butte
About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown; Yellow Pine Forest; 700 m.
700
Comment
HSC66173
Allium obtusum var. obtusum
M. S. Taylor
1980-5-27
2695
Butte
On Big Bald Rock, 3 mi. E of Lake Madrone.
998
Comment
NY334882
Allocarya charaxata var. debilis
E. B. Copeland
1903-5-15
3046
Butte
Chico
Comment
SEINET10969174
Allophyllum gilioides
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4163
Butte
T21N R6E ne sec 29. Along sides of Bean Creek Rd, ca. 0.5 mi s of Little Bald Rock, ca. 19 mi ne of Oroville. Yellow Pine Forest; 1000 m.
1000
Comment
CHSC40002
Allophyllum integrifolium
Lowell Ahart
1983-8-16
4298
Butte
On the high banks of a stream that flows into Butte Creek, about 1 mile east of Butte Meadows.
1450
Comment
UC119258
Alnus rhombifolia
Mrs. R. M. Austin
May 1885
Butte
Butte Creek
Comment
RSA715579
Alopecurus carolinianus
L. Ahart
2005-4-14
11716
Butte
Drain ditch, 200 feet east of the railroad tracks, north of Spruce Street, Gridley.
28
Comment
CHSC40899
Amaranthus albus
Lowell Ahart
1985-11-7
5228
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 Dam.
286
Comment
JEPS115051
Amaranthus californicus
Lowell Ahart
2007-11-3
14572
Butte
Below the high water line of Lake Oroville, about 1/2 mile east of the Power House below Kunckle Reservoir, about 3/4 mile north of the Lime Saddle Campground, about 5 1/4 miles (air) southeast of Paradise
257
Comment
CHSC95142
Amaranthus deflexus
R. D. Fischer
2005-9-14
858
Butte
Paradise, CA. Northern Sierra Nevada foothills, lower Paradise, at a residence on Black Olive Street.
365
Comment
CHSC66656
Amaranthus retroflexus
Vernon Oswald
1996-7-17
8066
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife parcel between 7 Mile Lane and the Sacramento River. Along the farm road at Dan's Camp, north end of Riparian Sanctuary.
30
Comment
SEINET10971204
Ambrosia psilostachya var. californica
Mary Susan Taylor
1977-8-19
Taylor 1505
Butte
Abundant in slough ca. 3 mi E of junction of Hwy 42 with Hwy 162, on Hwy 162, S of Chico; with huge population of Hibiscus californicus.
30
Comment
CAS-BOT-BC136691
Amelanchier alnifolia var. pumila
Lowell Ahart
1980-5-19
2315
Butte
Near bridge, South Fork of Feather River
800
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
CHSC47437
Ammannia coccinea
Lowell Ahart
1974-11-9
676
Butte
Peter Ahart Ranch, about 2 1/4 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
RSA6525
Ammannia coccinea
Jens Clausen
1932-9-16
658
Butte
20 miles south of Chico, between Richvale & Nelson
Comment
CHSC32138
Ammannia robusta
L. Ahart
1974-9-8
631
Butte
Peter Ahart Ranch, Honcut.
45
Comment
SEINET13711410
Ammannia robusta
Lowell William Ahart, Lowell William Ahart
1999-1
8168
Butte
12 Air Mi SW of Chico, 2 Mi SE of Ordbend, Sacramento River
Comment
RSA0090972
Amsinckia
A. A. Heller
1941-4-19
16069
Butte
Crest of the hills west of Willows.
Comment
CHSC101256
Amsinckia intermedia
Lowell Ahart
2009-4-17
15545
Butte
On the south slope of a ridge, about 150 yards west of Highway 32, near the south boundary, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
373
Comment
HSC96898
Amsinckia intermedia
L. Ahart
2005-4-14
11700
Butte
Gridley, N of Spruce St., E of the railroad tracks
28
Comment
JEPS107293
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
JEPS108925
Amsinckia intermedia
Lowell Ahart
2006-4-23
12532
Butte
On the east side of Cherokee Road, about 200 yards south of the cattle chute and parking area on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville
424
Comment
RSA34082
Amsinckia intermedia
A. A. Heller
1941-3-16
15889
Butte
Edge of a field along the road a half mile west of Pentz.
Comment
CHSC60659
Amsinckia lycopsoides
Vernon H. Oswald
1993-4-11
5254
Butte
Cana-Pine Creek Rd. bordering the W side of the Wurlitzer Unit of Vina Plains Preserve, near the NW corner of Butte County.
57
Comment
CHSC62554
Anagallis arvensis
L. P. Janeway
1993-5-2
4341
Butte
Foothill woodland adjacent to serpentine rocky outcrop narrow ridge, south of Serpentine Point and above Hwy 70.
518
Comment
CHSC116707
Anagallis minima
Lowell Ahart
2016-5-15
20832
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.
45
Comment
CHSC38784
Andropogon glomeratus var. scabriglumis
Vernon Oswald
1982-10-22
1
Butte
Bidwell Park, Chico. Near Diversion Dam ca. 50 ft s of Upper Park Rd ca. 3.1 mi e of its junction with Wildwood Ave.
121
Comment
UCD56079
Andropogon virginicus
Eldon F. Azevedo
1952-10-8
s.n.
Butte
Oroville.
Comment
JEPS114197
Andropogon virginicus var. virginicus
L. P. Janeway
2007-12-17
9225
Butte
Northern Sierra Nevada Foothills. Along the east edge of Thermalito Diversion Pool (the bed of the Feather River pooled at a constant 68 m elevation level), about 370 m north the railroad bridge.
Comment
CAS-BOT-BC391993
Anemone oregana
Lowell Ahart
1982-9-13
3829
Butte
Along Pinkard Creek, about 1/8 mile north of the Lost Creek Res. Dam, about 2 and 1/8 miles north-west of Strawberry Valley
1100
Comment
CHSC42565
Angelica californica
Vernon Oswald
1985-7-15
1902
Butte
Ponderosa way (Rim Rd.) 3.1 mi n of Hwy 70 at Jarbo Gap.
853
Comment
CHSC28169
Antennaria rosea
J. D. Jokerst
1979-7-2
299
Butte
Near summit of Humboldt Peak on N facing slope.
Comment
CAS-BOT-BC84690
Anthemis cotula
Helen M. Edwards
1917-6-1
s.n.
Butte
De Sabla
Comment
CHSC1951
Anthriscus caucalis
A. Goekler
1929-4-25
Butte
Chico.
57
Comment
SEINET10832445
Antirrhinum breweri
Lowell Ahart, Peter Ahart
1983-6-30
Ahart 4174
Butte
T21N R4E ne sec 11. Dark Canyon, along old Hwy 40, ca. 4 mi s of Jarbo Gap, ne of Oroville. Foothill Woodland; 350 m.
350
Comment
CHSC48969
Antirrhinum cornutum
Vernon Oswald
1986-7-22
2216
Butte
Hwy 32, 1.2 mi n of Chico Creek near the spring.
1097
Comment
CHSC98662
Antirrhinum cornutum
B. Castro; L. P. Janeway
2005-8-3
1511
Butte
Ca 20 air mi NNE of Oroville and 1.2 mi S of Flea Mtn, along Concow Rd ca 0.1 mi N of its jcn with Rim Rd. Along narrow path under power lines just W of Concow Rd, in small openings.
1002
Comment
CHSC1685
Antirrhinum vexillo-calyculatum subsp. intermedium
E. Walker
1932-7-26
Butte
Magalia Heights.
762
Comment
CHSC12926
Aphyllon epigalium subsp. epigalium
K. D. Cox
1974-6-16
190
Butte
Vilas Rd., 5.4 mi. S of Cohasset rd. N. of Chico.
Comment
CHSC47451
Aphyllon purpureum
Lowell Ahart
1974-3-18
332
Butte
Near 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
CHSC20487
Apocynum androsaemifolium
M. S. Taylor
1975-6-30
812
Butte
Ca. 50 yds e of Greenwood Store, Cohasset, ca. 18 mi ne of Chico.
853
Comment
CHSC38260
Apocynum cannabinum
Vernon Oswald
1983-6-2
604
Butte
Upper Bidwell Park, Chico, at the e end of Yahi Trail.
207
Comment
UCD121510
Apocynum cannabinum
L. Ahart
1977-6-13
1414
Butte
Peter Ahart Ranch, Honcut. North Honcut Creek.
50
Comment
CHSC108826
Arabidopsis thaliana
Lowell Ahart
2012-4-17
17873
Butte
Bare areas where cobbles were removed for Oroville Dam, about 200 yards southeast of where the road turns north, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) southwest of Oroville.
35
Comment
CHSC90946
Arabidopsis thaliana
Lowell Ahart
2005-4-18
11742
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
POM180839
Arceuthobium abietinum
Unspecified
1928-8-14
759
Butte
Neighborhood of Jonesville. Near Butte Creek, above Jonesville.
1524
Comment
CHSC46568
Arceuthobium americanum
Vernon H. Oswald
1989-7-4
3839
Butte
Butte Creek House, ca. 3.3 mi (air) se of Jonesville.
1767
Comment
SEINET10969532
Arceuthobium campylopodum
Mary Susan Taylor
1975-9-19
Taylor 911
Butte
Ca. 0.5 mi N of Magalia, ca. 50 ft E of Skyway; serpentine area surrounded by Yellow Pine Forest.
610
Comment
CHSC4463
Arctostaphylos
C. Glascock
1965-2-6
203
Butte
0.4 mi W of Grand View Cafe and station. Ca. 60 yds canyonward from Hwy 40a at side of a jeep trail.
Comment
NY9760
Arctostaphylos
A. A. Heller
1928-1-17
14473
Butte
About a mi below the Ten Mile House E of Chico, in red clay in the Upper Sonoran life zone.
Comment
RSA633012
Arctostaphylos manzanita
Jon E. Keeley
1996-6-20
27457
Butte
Approximately 1/2 km west of Cohasset.
570
Comment
UCD52247
Arctostaphylos manzanita
John Thomas Howell
1976-4-2
51565
Butte
In Upper Sonoran Life Zone on volcanic rock; about 2 miles from Paradise on 'Skyway' to Chico.
396
Comment
CAS-BOT-BC38867
Arctostaphylos manzanita subsp. manzanita
Lowell Ahart
1985-2-17
4839
Butte
At Kunkle Res., about 2 miles south of Paradise.
550
Comment
CHSC109112
Arctostaphylos manzanita subsp. manzanita
Lowell Ahart
2012-2-22
17736
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.
335
Comment
CHSC67925
Arctostaphylos manzanita subsp. manzanita
James D. Jokerst; L. Ahart, M. S. Taylor
1983-1-17
1682
Butte
Top of N. Table Mtn. at its NW corner.
Comment
POM210201
Arctostaphylos manzanita subsp. manzanita
H. F. Copeland
1932-6-24
s.n.
Butte
Humboldt Grade, about 12 miles from Chico.
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
CHSC48373
Arctostaphylos mewukka subsp. truei
Vernon Oswald
1985-2-28
1682
Butte
Near Coutolenc Rd. ca. 0.1 mi N of the Skyway on the N edge of the Magalia Serpentine.
Comment
CAS-BOT-BC45568
Arctostaphylos nevadensis
E. B. Copeland
1931-6-22
672 a
Butte
Jonesville. On ridge e. of the Summit.
2100
Comment
UC478486
Arctostaphylos nevadensis
E. B. Copeland
1931-6-22
672
Butte
ridge e the Summit; Jonesville
2100
Comment
JEPS46195
Arctostaphylos patula
Duncan Dunning
1921-8-1
Butte
near West Branch; Lassen <National> Forest, Big Chico Creek
Comment
POM209917
Arctostaphylos patula
H. F. Copeland
1932-6-29
A- 7
Butte
The Summit, Jonesville.
Comment
RSA0074194
Arctostaphylos truei
Gladys L. Smith
1975-4-9
s.n.
Butte
Magalia.
Comment
SEINET11989217
Arctostaphylos truei
J. T. Howell
1975-1
51090
Butte
about 2 mi from Paradise on Skyway to Chico
396
Comment
CAS-BOT-BC47377
Arctostaphylos viscida subsp. viscida
John Thomas Howell
1975-6-15
51102
Butte
about 2 miles from Paradise on Skyway to Chico
396
Comment
CDA42419
Arctostaphylos viscida subsp. viscida
D. G. Kelch
2012-9-19
12 .362
Butte
300 m SSW of Forest Ranch E of Oroville along Rte 32.
Comment
CHSC108865
Arctostaphylos viscida subsp. viscida
Lowell Ahart
2012-3-2
17763
Butte
About 200 yards north of Ten Mile House Road, about 200 yards west of Highway 32, about 9 miles northeast of Chico.
422
Comment
CHSC27932
Arctostaphylos viscida subsp. viscida
M. S. Taylor
1976-4-24
1074
Butte
On Big Bald Rock, ca. 1/4 mi W of Bald Rock Rd, ca. 3 mi E of Lake Madrone, ca. 13 mi NE of Oroville.
997
Comment
JEPS118409
Arctostaphylos viscida subsp. viscida
Lowell Ahart
2011-7-9
17565
Butte
Near a large open area, about 1/4 mile east of Little Bald Rock, about 2 miles (air) southeast of Brush creek, about 15 miles (air) northeast of Oroville
975
Comment
SEINET10537446
Arenaria
Mary Susan Taylor
1981-5-21
Taylor 3793
Butte
T23N R5E se sec 21, Pulg quad. E side of Mayaro Rd, ca. 0.5 mi N of Mayaro, ca. 2 mi N of Pulga on Feather River Hwy 70. In decompoed granite gravel embankment; openings of Yellow Pine Forest; 2000 ft.
610
Comment
CHSC78553
Aristida dichotoma
Lowell Ahart; Vernon H. Oswald
2000-8-5
8624
Butte
Above seeps on bare granite, on the north side of Bean Creek Road, about 1/4 mile southeast of Little Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville.
1066
Comment
CHSC84407
Aristida dichotoma
Lowell Ahart
2003-7-30
10461
Butte
On the north side of Bean Creek Road, about 1/2 mile southeast of Little Bald Rock, about 2 1/2 miles (air) southeast of Brush Creek.
1000
Comment
CAS-BOT-BC400431
Aristolochia californica
John Thomas Howell
1959-9-20
34616
Butte
Flats along Feather River about 1 mile west of Oroville
45
Comment
CHSC78059
Aristolochia californica
Caleb E. Casey
1999-2-4
Butte
Upper Bidwell Park, bluffs on south side over Bear Hole.
365
Comment
RSA416042
Aristolochia californica
M. Vincent
1961-3-30
26
Butte
Honeyrun road, 1/2 mile west of Paradise
579
Comment
CHSC45778
Arnica dealbata
Vernon Oswald
1984-7-2
1332
Butte
Intersection of Skyway (Bull Hill Rd.) and Humbug Rd.
1584
Comment
CAS-BOT-BC90285
Artemisia douglasiana
A. A. Heller
1928-6-20
14693
Butte
Butte Meadows, along Butte Creek
Comment
NY43502
Artemisia douglasiana
S. Bianco
1995-8-26
1021
Butte
Concow area, E of Concow Rd, along Kakini Rd
762
Comment
CHSC38787
Arundo donax
Vernon Oswald
1983-10-8
1053
Butte
Upper Bidwell Park, Chico, at the retaining wall at the east end of Centennial Ave.
85
Comment
CAS-BOT-BC400634
Asarum hartwegii
A. A. Heller
1915-4-12
11809
Butte
Near Cohasset
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
JEPS118287
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
CHSC51850
Asclepias speciosa
L. P. Janeway
1988-6-5
2728
Butte
Cyn of Big Chico Cr ca 1 mi NE of the end of Upper Park Rd.
213
Comment
SEINET10741574
Asclepias speciosa
R. M. Austin
1896-1
Austin 231
Butte
Colby
Comment
SEINET11716736
Aspidotis californica
M. S. Taylor
1980-1
2356
Butte
ca 0.25 mi SW of lower Forbestown Rd, ca 3 mi W of Forbestown
396
Comment
POM193102
Aster occidentalis var. occidentalis
E. B. Copeland
1930-8-4
s.n.
Butte
Jonesville
1500
Comment
CHSC27665
Astragalus pauperculus
Mike O'Bryan; Robert A. Schlising
1978-4-17
3220
Butte
N of Forest Ranch, on ridge projecting into canyon of Big Chico Creek, ca 1 mi S jct Hwy 32 and Forest Ranch Road.
Comment
CHSC65992
Astragalus tener var. ferrisiae
Vernon H. Oswald
1996-5-9
7547
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 the S paddock of Tract 7, Sanctuary II.
32
Comment
CHSC41769
Asyneuma prenanthoides
Lowell Ahart
1974-10-22
669
Butte
Along the road that crosses the South Fork of the Feather River, about 3/4 mile north of Golden Trout Crossing, west of the Sly Creek Dam.
762
Comment
CAS-BOT-BC68692
Athyrium filix-femina var. californicum
M. S. Taylor
1982-8-16
5003
Butte
Jct small creek and rd in High Rock Ravine, just s of Discovery Creek, ca. 4 air mi. ne of Stirling City. Pulga NW quad.
1463
Comment
CAS-BOT-BC68691
Athyrium filix-femina var. californicum
Lowell Ahart
1982-9-29
3836
Butte
Along the edges and banks of Pinkard Creek, about 1 1/2 miles north of the Lost Creek Res. Dam,
1200
Comment
CHSC11797
Athyrium filix-femina var. cyclosorum
E. B. Copeland
1929-7-29
326
Butte
Jonesville.
1600
Comment
CHSC90469
Athysanus pusillus
Lowell Ahart; Paul Maslin, John Dittes
2005-3-17
11667
Butte
Big Chico Creek Ecological Reserve. Burned area, about 50 yards 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
CHSC90603
Athysanus pusillus
Susan E. Bigbee
1984-3-13
38
Butte
Population ca. 50 yds s of Butte Creek and ca. 320 yds w of Covered Bridge, 6.2 mi ese of Chico.
120
Comment
CHSC34770
Atriplex lentiformis
L. Ahart
1981-11-6
3217
Butte
Near entrance to Graylodge Waterfowl Mgmt HQ, just w of Pennington Rd, ca. 12 mi sw of Gridley.
35
Comment
UCSB64020
Atriplex micrantha
Ahart, Lowell
1981-11-6
Butte
Near the entrance to the Gray Lodge Waterfowl Management Area, west of Pennington Road, about 12 miles south-west of Dridley
30
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
CAS-BOT-BC146180
Avena barbata
A. A. Heller
1914-3-18
11207
Butte
Eight miles north of Oroville, near the western base of Table Mountain.
Comment
CHSC117592
Avena fatua
L. P. Janeway
2016-6-2
12106
Butte
Northern High Sierra Nevada. Plumas National Forest; Field Ridge Meadow; on the ridge between South Fork Feather River and Sucker Run; 1.5 air-km east-northeast of Ponderosa Reservoir.
872
Comment
CHSC33673
Avena fatua
L. Ahart
1981-5-24
2835
Butte
On Peter Ahart Ranch, ca. 2 mi n and 1/2 mi e of Honcut.
50
Comment
CHSC46434
Avena fatua
Lowell Ahart
1989-5-10
6218
Butte
Below the high water line of Lake Oroville, near 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.
271
Comment
CHSC116268
Azolla filiculoides
Lowell Ahart
2015-11-18
20652
Butte
About one mile south of Palm Avenue, about 2 miles southeast of the intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley.
26
Comment
CHSC34148
Azolla filiculoides
L. Ahart
1981-9-27
3214
Butte
Ca. 1/8 mi ne of jct of Lower Wyandotte Rd and Upper Palermo R, ca. 4 mi ne of Palermo.
80
Comment
CHSC64060
Azolla filiculoides
B. Castro; L. P. Janeway, M. Halterman, C. Pidgeon
1987-10-17
247
Butte
Graylodge Waterfowl Management Area, ca. 0.5 mi NW of the headquarters.
20
Comment
JEPS107680
Azolla filiculoides
Lowell Ahart
2005-4-14
11703
Butte
East of the railroad tracks, in the stream at the railroad bridge, north of Spruce Street, Gridley
28
Comment
CHSC45638
Baccharis douglasii
Vernon H. Oswald
1987-7-23
3134
Butte
Portion of Rancho Bosquejo. Feenstra's Riverview Orchard located at the W end of Cana Rd. Between the S half of Cana Lake (Dicus Slough) and the Sacramento River.
48
Comment
CHSC55061
Bacopa eisenii
Lowell Ahart
1991-9-24
6730
Butte
At the Rice Experiment Station, south of Highway 162, about 3.5 miles north-west of Biggs.
30
Comment
CHSC57219
Balsamorhiza deltoidea
Vernon H. Oswald; Lowell Ahart
1992-3-24
4891
Butte
Lake Oroville Recreation Area on the north side of Thermalito Diversion Pool, along the first stream west of the spillway and ca. 0.2 mi north of Burma Rd.
76
Comment
CAS-BOT-BC27831
Balsamorhiza macrolepis
H. E. Brown
1897-4-15
208
Butte
Near Clear Crerek
53
Comment
NY162467
Balsamorhiza macrolepis
H. E. Brown
1897-5-1
208
Butte
Near Clear Creek
53.3
Comment
CAS-BOT-BC16378
Barbarea orthoceras
Clarence Roy Quick
1963-7-16
63 48 a
Butte
Sierra Nevada. Feather River Canyon. Section Corner Meadow, east of Pulga.
1463
Comment
SEINET10973580
Barbarea orthoceras
Mary Susan Taylor
1978-6-24
Taylor 1654
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
CHSC46870
Bassia hyssopifolia
Vernon Oswald
1989-9-6
3979
Butte
Butte Sink Wildlife Area (w portion of Schohr Ranch). Soil piled in a waste area along the main north-south ranch road ca. 0.5 mi n of Gridley-Colusa Hwy.
18
Comment
CHSC38433
Bergia texana
Vernon Oswald
1983-7-8
837
Butte
Upper Bidwell Park, Chico, near Upper Park Rd. in the depression draining Horseshoe Lake.
97
Comment
CHSC42057
Bergia texana
Lowell Ahart
1986-11-9
5445
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
CHSC97740
Bidens frondosa
Lowell Ahart
2007-11-3
14570
Butte
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
CHSC43711
Bistorta bistortoides
Vernon Oswald
1983-7-6
832
Butte
Near Humboldt Rd. 3.4 mi n-e of Butte Meadows.
1432
Comment
CHSC31615
Blennosperma nanum
Lowell Ahart
1975-4-2
739
Butte
Peter Ahart Ranch, Honcut.
45
Comment
HSC32592
Blennosperma nanum var. nanum
Linda M. Barker
1974-4-20
159
Butte
Table Mtn., Central Valley
305
Comment
HSC23358
Blennosperma nanum var. nanum
L. Walk
1971-3-14
2
Butte
E side of Cherokee Rd., ca. 0.7 mile S of Oregon City Junction and ca. 50 yards from the road
610
Comment
CHSC33707
Boechera arcuata
J. D. Jokerst
1981-5-21
1331
Butte
Ca 1.0 mi NE of the town of Pulga.
Comment
JEPS117231
Boechera breweri subsp. shastaensis
Lowell Ahart
2010-5-7
16612
Butte
Below rim, north side of disk golf area, on a ridge about 250 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico
360
Comment
CHSC36678
Boechera platysperma
R. E. Preston
1982-7-21
349
Butte
Ca. 1 mi se of Philbrook Reservoir.
1972
Comment
CHSC88175
Botrychium minganense
Lowell Ahart
2004-7-23
11288
Butte
About 15 feet west of the small stream, 47-55 feet north of the large round 10 feet tall boulder, northeast of Memorial Spring, east side of Humbug Road, about 2 miles (air) wet of Philbrook Reservoir Dam, about 3 miles (air) southeast of Butte Meadows.
1554
Comment
UC129449
Boykinia major
Miss Kate Conger
1907-1
Butte
Brush Creek
Comment
CAS-BOT-BC418407
Boykinia occidentalis
Lowell Ahart
1985-6-30
5072
Butte
East of dirt road to the Forbestown Res., about 2 1/2 miles north-east of Forbestown
868
Comment
SEINET11970738
Brassica nigra
C. A. Walker
5
s.n.
Butte
no further locality
Comment
CHSC110132
Brassica rapa
L. P. Janeway
2012-3-30
10803
Butte
Sacramento Valley. West side of Hwy 99 1.6 km south of Estates Drive, south edge of Chico.
60
Comment
CHSC3567
Brassica rapa
R. D. Briggs
1966-2-20
32
Butte
Three miles due south of Oroville Dam, on Olive Hwy.
Comment
CHSC10551
Briza maxima
Lowell Ahart
1969-5-15
Butte
Peter Ahart Ranch, Honcut.
45
Comment
RSA768982
Briza maxima
L. Ahart
2010-5-14
16636
Butte
West side of Highway 32, just north of the entrance to the Disc Golf Area, Upper Bidwell Park, about 5 air miles northeast of Chico
376
Comment
UCD57149
Briza maxima
Beecher Crampton
1965-6-17
7385
Butte
2 miles northeast of Bangor, La Porte Road.
Comment
CHSC82265
Briza minor
Lowell Ahart
2002-4-24
9537
Butte
In a field, on the east side of Lone Tree Road, about 1 1/8 miles north of Cox Lane, about 3 miles (air) southwest of Palermo, about 7 miles (air) south of Oroville.
35
Comment
CAS-BOT-BC482212
Brodiaea californica subsp. californica
C. C., Mrs. Bruce
1893-5-1
2126
Butte
1.7 mi. se. of Big Butte Creek, U.S. Hwy. 99 E
Comment
CHSC117352
Brodiaea coronaria
B. Castro; Sabrina Bell
2015-5-21
2044
Butte
Sacramento Valley. Ca 1.6 air mi E of hwy 99 off eastern edge of Thermolito Afterbay, 1.16 mi Sof Hwy 162, along SW extension of Wilbur Rd (the Afterbay perimeter road). A few yards S of road.
43
Comment
UC725395
Brodiaea elegans subsp. elegans
A. A. Heller
1938-5-22
15105
Butte
in fields and on roadside near Chico Airport
Comment
CAS-BOT-BC484504
Brodiaea minor
A. A. Heller
1914-4-24
11321
Butte
Hills 8 miles north of Oroville
Comment
UCD77136
Brodiaea nana
Robert E. Preston
2003-5-11
2128
Butte
3 mi ESE of Richvale, along Hwy 99, 0.9 mi S of its jct with Hwy 162
35
Comment
SEINET8194052
Brodiaea purdyi
A. A. Heller, H. E. Brown
1902-5-10
s.n.
Butte
Berry Canyon, near Clear Creek.
Comment
CHSC90988
Brodiaea sierrae
Lowell Ahart
2005-5-11
11805
Butte
Pasture field, south of Beatson Hollow, about 1 1/4 miles northwest of the poor dirt road off of Cherokee Road, south part of North Table Mountain, about 7 miles (air) north of Oroville.
305
Comment
UCD139175
Brodiaea sierrae
Lowell Ahart
1998-7-19
8049
Butte
on the southeast side of the dirt road to the Forbestown reservoir, about 1 mile northeast of ForbestownRoad, about 2.5 miles (air) northeast of Forbestown.
883
Comment
CHSC42905
Bromus carinatus
Lowell Ahart
1987-7-8
5807
Butte
Along Big Bar Mountain Road, about 1 mile south-west of Coyote Gap, about 5 miles east of Pulga.
1280
Comment
JEPS120812
Bromus carinatus var. carinatus
Lowell Ahart
2013-5-27
18715
Butte
On the E side of Black Bart Road, about 3/4 mile (by road) SW from the intersection of Forbestown Road and Black Bart Road, about 3.5 air miles SW of Forbestown.
Comment
CHSC34209
Bromus carinatus var. marginatus
J. D. Jokerst
1981-8-1
1452
Butte
N face of Humboldt Peak ca 200 feet NE of summit. Extreme N corner of Butte county.
2133
Comment
UCD59169
Bromus carinatus var. marginatus
A. A. Heller
1917-7-26
12832
Butte
Butte Meadows.
1280
Comment
CHSC42848
Bromus diandrus
Lowell Ahart
1987-5-12
5640
Butte
South of Lumpkin Ridge Road, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
1280
Comment
UCD59302
Bromus diandrus
A. A. Beetle
1941-6-27
2743
Butte
2 miles north of Lone Pine Forest Guard Station on Rt. 32.
Comment
CAS-BOT-BC155462
Bromus hordeaceus
Lowell Ahart
1987-5-6
5551
Butte
At the Poe Power House along the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap.
283
Comment
CHSC2132
Bromus hordeaceus
H. Silberman; D. Isaac
1949-5-9
Butte
W side of football field, CSC campus.
Comment
CHSC96549
Bromus hordeaceus
L. P. Janeway
2006-4-30
8567
Butte
Cascade Range Foothills. East edge of city of Chico; northwest side of Humboldt Road 2.4 km northeast of Bruce Road.
149
Comment
JEPS119865
Bromus hordeaceus
Lowell Ahart
2012-5-14
18046
Butte
A little east of Table 7, on the south side of Big Chico Creek, north of the paved road, northeast of Cedar Grove, Lower Bidwell Park, Chico.
Comment
CDA30201
Bromus inermis subsp. inermis
L. P. Janeway
2007-7-23
9121
Butte
Northern High Sierra Nevada; Plumas National Forest; just above a logging spur road just above Road 21N25 in the southeastern corner of Watson Ridge, 1.0 km north-northeast of the mouth of Kenebeck Creek at Fall River and Nelsons Crossing.
Comment
CHSC109548
Bromus laevipes
L. P. Janeway
2012-6-7
10871
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
CHSC101292
Bromus madritensis subsp. madritensis
Lowell Ahart
2009-4-17
15556
Butte
On the south slope of a ridge, about 300 yards west of Highway 32, near the south boundary, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
351
Comment
CHSC46437
Bromus madritensis subsp. rubens
Lowell Ahart
1989-5-23
6262
Butte
Along Swedes Flat Road, about 1 mile east of the Oroville Bangor Highway, north of Bangor.
426
Comment
SACT000625
Bromus orcuttianus
Herbert Copeland
1930-7-21
Butte
in woods by butte creek common, small clumps
1524.0
Comment
UC392233
Bromus orcuttianus
E. B. Copeland
July, 1929
Butte
Jonesville
1550
Comment
CAS-BOT-BC161959
Bromus rubens
Peter H. Raven
1953-5-9
5436
Butte
7.2 miles from Bangor on Oroville Road.
Comment
CDA13897
Bromus sterilis
G. F. Hrusa, T. D. Wilfred
1997-5-8
13754
Butte
Sierra Nevada; Above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive.
Comment
JEPS115954
Bromus sterilis
Lowell Ahart
2009-4-26
15614
Butte
East edge of a small meadow, about 150 yards southwest 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 norhteast of Chico
286
Comment
SEINET10507344
Bromus sterilis
Lowell Ahart
1985-5-10
Ahart 4956
Butte
10 meters north of the east branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam.
Comment
RSA716560
Bromus tectorum
L. P. Janeway, Matt Brown, Samantha Hillaire, Jamie Tuitele-Lewis
2005-5-4
8379
Butte
Northern High Sierra Nevada. Plumas National Forest; just below Road 23N02 0.5 km north of County Road 66553; near top of a minor drainage into Camp Creek but 0.7 km east of Dogwood Creek
Comment
SEINET3450781
Bromus tectorum
Unknown
2003-5-9
10120
Butte
Gridley, Gridley, about 3 miles by air southwest, on the south side of Evans Reimer road, about 0.75 miles west of Block Road
20
Comment
UC1594605
Bromus tectorum
Lowell Ahart
1992-5-6
6748
Butte
about 4 mi s of Oroville (along w side of Lone Tree Road, about 1/4 mi s of intersection of Powerhouse Hill Road and Lone Tree Road); Lone Tree Road
60
Comment
CHSC44437
Bulbostylis capillaris
Lowell Ahart
1988-6-29
6093
Butte
Near Bean Creek Road, about 1/2 mi SE of Little Bald Rock.
975
Comment
CDA5336
Bupleurum lancifolium
Mackessy, L. L. Heinrichs
1963-6-19
Butte
L. A. Balsley property, Route 1, Box 248, Oroville.
0
Comment
CAS-BOT-BC185473
Calamagrostis canadensis
Lowell Ahart
1987-10-17
5917
Butte
Along the East Fork of the Last Chance Creek, about 0.5 mile northwest of Jones Meadow.
1676
Comment
CHSC48003
Callitriche marginata
Vernon Oswald
1987-4-7
2313
Butte
Butte Creek Reserve between Butte Creek and the Durham Mutual Ditch, e of Hwy 99. In ruts of a dirt track.
68
Comment
JEPS117213
Callitriche marginata
Lowell Ahart
2010-5-16
16687
Butte
About 1/4 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville
371
Comment
CHSC38252
Calocedrus decurrens
Vernon Oswald
1982-12-30
40
Butte
Upper Bidwell Park, Chico, along Yahi Trail near Chico Creek e of Brown's Hole.
195
Comment
CHSC49691
Calochortus leichtlinii
Vernon H. Oswald
1983-8-17
983
Butte
Humboldt Summit, ca 3 mi ne of Jonesville.
Comment
CHSC10725
Calochortus luteus
Lowell Ahart
1966-5-7
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC33143
Calochortus luteus
J. D. Jokerst
1981-5-14
1324
Butte
Top of North Table Mt ca 300 M north of Cherokee Rd at the west edge of the mountain.
Comment
CHSC7131
Calochortus luteus
J. Borgstrom
1969-5-2
22
Butte
Ca 6 mi s of Chico on 99E, 20 ft. off of w side of highway.
47
Comment
HSC38106
Calochortus luteus
Thomas W. Nelson, Jane P. Nelson
1976-5-9
2449
Butte
Intersection of Palermo Rd. and Hwy. 70, 4 mi. S of Oroville
Comment
CHSC11053
Calochortus monophyllus
Lowell Ahart
1966-3-13
Butte
Near Enterprise.
182
Comment
CHSC21262
Calochortus monophyllus
M. S. Taylor
1973-4-10
28
Butte
At end of Bidwell Park Rd, ca. 50 ft n of Big Chico Creek, Upper Bidwell Park, Chico.
274
Comment
CHSC31356
Calochortus monophyllus
Howard Paul
1980-3-30
2
Butte
Ca. 0.25 mi nw of Humbug road on a large grassy ridge top, 2.5 mi ne of the Centerville cemetery, ca. 20 mi e of Chico.
457
Comment
CAS-BOT-BC492601
Calochortus monophyllus
Jim Riley
1923-4-2
s.n.
Butte
Richardson Spring
Comment
SD6501
Calochortus monophyllus
Mrs. R. M. Austin
Jul 1879
Butte
Sutton House.
Comment
SEINET12046586
Calochortus monophyllus
L. L. Pate
1978-1
64
Butte
0.1 mi E of Hwy 32, 9.3 mi E of Chico
439
Comment
SEINET8197472
Calochortus monophyllus
M. J. Williams
1967-4-22
s.n.
Butte
Between Oroville and Feather Falls.
244
Comment
CHSC41463
Calochortus nudus
Lowell Ahart
1986-7-2
5340
Butte
North of the dirt road, 1/2 mile south-west of Bald Mountain, about 4 1/2 miles north-east of Stirling City.
1615
Comment
CHSC67734
Calochortus tolmiei
James D. Jokerst
1979-5-7
223
Butte
Cohasset Hwy. 5.0 mi N of Chico Municipal Airport.
365
Comment
CAS-BOT-BC494349
Calochortus tolmiei
A. A. Heller
1919-5-18
13168
Butte
Stirling in fine gravel in open places in the yellow pine and Kellogg oak belt.
1072
Comment
CHSC46838
Caltha leptosepala var. biflora
Kirsten Tarp
1983-7-31
319
Butte
Near Humbug Rd. between Butte Creek House and Snag Lake. At border of meadow.
1804
Comment
CHSC53699
Caltha leptosepala var. biflora
Kirsten Tarp
1983-8-12
346
Butte
Philbrook Reservoir. Near streamlet in meadow.
1706
Comment
CHSC46245
Calycadenia fremontii
Vernon H. Oswald
1989-4-27
3751
Butte
Wurlitzer Unit, Vina Plains Preserve. Bordering a dry wash between Singer and Pine Creeks near the E boundary.
57
Comment
JEPS95625
Calycadenia fremontii
Lowell Ahart
1994-10-8
7551
Butte
1 mi e of Chico Bidwell Park; Chico, North Rim Trail
152
Comment
RSA300139
Calycadenia hispida
L. Ahart
1976-11-12
s.n.
Butte
Peter Ahart Ranch, Honcut
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
CAS-BOT-BC106092
Calycadenia oppositifolia
A. A. Heller
1926-5-22
13940
Butte
Along the Richardson Springs Road three miles north of Chico.
Comment
CDA13908
Calycadenia oppositifolia
G. F. Hrusa, T. D. Wilfred
1997-7-3
13989
Butte
Sierra Nevada; Above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive.
Comment
LA203135
Calycadenia oppositifolia
A. A. Heller;
1926-5-22
13940
Butte
aong the Richardson Springs Road 3 mi. N of Chico
Comment
UC1748340
Calycadenia oppositifolia
L. P. Janeway
1999-10-15
6628
Butte
0.25 mi N-NW of Lime Saddle (between Nelson Bar Road and Lake Oroville); Northern Sierra Nevada Foothills
281
Comment
CHSC69445
Calycadenia truncata
Lowell Ahart
1997-9-6
7887 A
Butte
Near the McNab Cypress grove, near the steel tower power line, along the sides of a logging road, about 1/4 mile west of Rim Road, about 2 miles (air) northeast of Concow Reservoir.
731
Comment
CHSC88242
Calycadenia truncata
Lowell Ahart
2004-7-11
11222
Butte
On the southeast edge of Paradise Lake, about 3/4 mile northeast of the picnic area, about 1 mile northeast of Paradise Dam, about 4 miles (air) southwest of Stirling City.
814
Comment
CAS-BOT-BC275390
Calycadenia truncata var. truncata
Lowell Ahart
1983-6-26
4153
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
RSA424439
Calycanthus occidentalis
Margaret J. Williams, W. Roderick
1984-5-25
84- 20 -1
Butte
Honey Run road to Paradise, 6.8 miles from Paradise.
Comment
UCD170555
Calycanthus occidentalis
D. O. Burge
2017-8-16
2283
Butte
Butte Creek.
220
Comment
CHSC9702
Calyptridium monospermum
Nancy Mosman
1971-7-3
61
Butte
In meadow along Hwy 32 ca. 0.3 mi n of Butte Meadow Ranger Station.
1371
Comment
SD1523
Calyptridium monospermum
J. B. Copeland
1930-7-9
Butte
Jonesville
1500
Comment
SEINET10572717
Calyptridium umbellatum
Mary Susan Taylor
1980-8-2
Taylor 3212
Butte
T27N R5E center sec 32, Jonesville quad. Humboldt Peak, N tip of the county.
2155
Comment
SEINET263497
Calyptridium umbellatum
R. J. Shaw
1993-5-23
5094
Butte
East of Chico at mile marker 31 of Hwy 32
1000
Comment
CHSC46783
Calystegia atriplicifolia subsp. buttensis
R. A. Schlising
1983-6-9
4423
Butte
Along Hwy 32, 7.2 mile N of Nopel Road in Forest Ranch.
Comment
CHSC95085
Calystegia atriplicifolia subsp. buttensis
L. P. Janeway
2006-6-25
8704
Butte
High Cascade Range. Along Cohasset Ridge and Cohasset Road about 0.5 km southwest of Anderson Mill site and about 5.9 air km north-northeast of Cohasset.
1128
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
CHSC93871
Calystegia occidentalis subsp. occidentalis
Lowell Ahart
2006-6-9
12642
Butte
On the sides of a dead end side road, north side of the service road to Bardees Bar along the North Fork of the Feather River, about 50 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga.
534
Comment
SEINET178480
Calystegia polymorpha
E. B. Copeland
1931-7-4
674
Butte
Jonesville
Comment
CAS-BOT-BC496958
Camassia leichtlinii subsp. suksdorfii
E. B. Copeland
1930-6-27
408
Butte
Jonesville
1550
Comment
UC1609041
Campanula scouleri
Lowell Ahart
1993-7-23
7110
Butte
sides of small stream s Fall River (1/8 mi s of campgrounds on the large gravel bar along Fall River, about 6 air mi ne of Feather Falls)
1036
Comment
CHSC112203
Capsella bursa-pastoris
Lowell Ahart
2013-4-20
18556
Butte
In corral at the barn, about 1/4 mile north of the Honcut Cemetary, about 3 1/4 miles (air) northeast of Honcut.
47
Comment
CHSC35025
Capsella bursa-pastoris
R. E. Preston
1982-3-27
206
Butte
Along dirt road; Campbell Hills, n of Thermalito Afterbay, Oroville. In saddle.
121
Comment
CHSC3623
Capsella bursa-pastoris
John Francis
1966-2-21
28
Butte
Orchard across road from Durham Cemetery.
Comment
CHSC108843
Cardamine californica
Lowell Ahart
2012-2-22
17738
Butte
Around rocks, on the east edge of Big Chico Creek, about 100 yards south of the trail crossing the creek, about 100 yards west of Ten Mile House Road, about 3/4 mile west of Highway 32, about 9 miles (air) northeast of Chico.
189
Comment
CHSC500
Cardamine californica
R. Cress
1935-2-24
Butte
Salmon Hole on Chico Creek.
152
Comment
POM95848
Cardamine californica var. integrifolia
C. C. Bruce
1897-02
1944
Butte
Little Chico
Comment
SEINET3013179
Cardamine oligosperma
Sherri Wemple
1992-6-16
8
Butte
Butte County, CA Covered Bridge 10.2 km SE of Chico
Comment
UCSB63620
Cardamine oligosperma
Seaman, Cynthia
1980-3-21
Butte
Berry Creek Quadrangle, T21N R4E ne 1/4 mi. off Big Bend Rd. on old dirt road, ca. 4 mi. off Hwy. 70, ca. 25 mi. e of Chico
365
Comment
CHSC83933
Cardamine pachystigma
L. P. Janeway; Gavin Blosser, Adam Henderson
2003-3-18
7742
Butte
Northern High Sierra Nevada. Low in the canyon of North Fork Feather River (Lake Oroville) between Big Bend Mountain and Swayne Hill; 1.8 km north-northwest of the mouth of French Creek.
299
Comment
CHSC39609
Cardamine pachystigma var. pachystigma
Lowell Ahart
1983-3-28
3906
Butte
About 1/2 mile south-west of the Forbestown Res., along the road where there is a serpentine slide area, about 4 miles north-east of Forbestown.
450
Comment
JEPS120951
Carduus pycnocephalus subsp. pycnocephalus
Lowell Ahart
2013-4-20
18548
Butte
Wilson Creek, about 40 yards SW of the oak trees, about 1/2 mile N of the barn, about 3/4 mile N of the Honcut Cemetery, about 3.75 air miles NE of Honcut.
Comment
CHSC45073
Carex abrupta
Vernon Oswald
1987-7-13
3112
Butte
Near Summit Lake on the n side of Snow Mt, ca. 4 mi (air) se of Jonesville. At the turn-around at the end of the spur road on the n side of the lake.
1901
Comment
CAS-BOT-BC18462
Carex abrupta
L. P. Janeway; R. A. Schlising
1988-7-1
2937
Butte
Willow Creek at crossing of Humbug Summit Road.
1874
Comment
CDA33018
Carex angustata
L. P. Janeway
2003-6-8
7823
Butte
High Cascade Range.; Flea Valley: meadow at head of Concow Creek.
Comment
CHSC11935
Carex athrostachya
E. B. Copeland
1929-7-28
607 a
Butte
Jonesville.
1550
Comment
SEINET7550706
Carex athrostachya
E. B. Copeland
1928-7-28
607
Butte
Jonesville, about the edges of the "Lily Pond".
1700
Comment
CHSC43867
Carex aurea
Vernon Oswald
1987-5-2
2363
Butte
East side of Little Chico Creek Canyon ca. 1 mi se of Forest Ranch.
609
Comment
CHSC45242
Carex aurea
S. C. Morey
1983-7-24
625
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
1414
Comment
JEPS121931
Carex aurea
Lowell Ahart
2014-7-16
19677
Butte
About 50 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
JEPS114825
Carex bolanderi
Lowell Ahart
2008-6-2
14806
Butte
On the south side of Ponderosa Way, about 1 mile (air) southwest of the Ponderosa Dam, about 2 1/4 miles (air) northwest of Forbestown
670
Comment
RSA169396
Carex bolanderi
L. S. Rose
1963-6-5
63140
Butte
North Fork of Feather River, Arch Rock Tunnel.
488
Comment
CAS-BOT-BC313736
Carex cyrtostachya
P. F. Zika; B. Wilson; L. Ahart; L. Janeway
2011-8-5
25715
Butte
Forest Rd 20N03 (Moreville Ridge Rd), 2 air miles SE of Sugar Pine Point, Pinkard Creek drainage, Northern Sierra Nevada highlands (n SNH)
1075
Comment
RSA0056155
Carex cyrtostachya
L. P. Janeway, Lowell A. Ahart, Linnea Hanson
2007-7-10
9112
Butte
Northern High Sierra Nevada. 170 m east-northeast of Bean Creek Road and 1.1 km northeast of Little Bald Rock.
1013
Comment
CHSC110144
Carex densa
L. P. Janeway
2012-5-2
10813
Butte
Cascade Range Foothills. Upper Bidwell Park, Chico; northwest side of Big Chico Creek between the creek and Upper Park Road, near Parking Area I.
105
Comment
CHSC35709
Carex densa
J. D. Jokerst
1982-5-19
1581
Butte
Artificially watered planters in the southern most parking lot of the Butte College Campus.
Comment
CHSC65470
Carex densa
Vernon Oswald
1983-3-13
168
Butte
Upper Bidwell Park, Chico, beside Upper Park Rd. 300 ft w of Parking Area N (Salmon Hole).
170
Comment
JEPS114978
Carex densa
Lowell Ahart
2008-6-13
14819
Butte
East of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville
311
Comment
JEPS94667
Carex densa
Lowell Ahart
1998-6-9
7989
Butte
about 7 air mi n Oroville (in large seep, sw of the lone oak tree, nw of the cow chute along Cherokee Road); North Table Mountain
396
Comment Read comments Jun 8 2007
CHSC43951
Carex feta
Vernon Oswald
1988-4-18
3277
Butte
Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. Marshy place along the edge of Dry Creek ca. 0.25 mi w of Hwy 99.
51
Comment
JEPS105635
Carex feta
L. P. Janeway
2003-6-8
7818
Butte
High Cascade Range. Flea Valley: meadow at head of Concow Creek
1116
Comment
SEINET4286135
Carex feta
L. Janeway, Gog, L
2008-1
3185 A
Butte
Near Cornelia Lott Sank Memorial Spring.
Comment
UCD140310
Carex feta
L. P. Janeway
1987-6-13
2187
Butte
at the Crain Mill site, 1.6 miles north on Ponderosa Way (Rim Road) from Jarbo Gap.
883
Comment
CAS-BOT-BC21240
Carex fracta
Lowell Ahart
1982-9-29
3837
Butte
Banks of Pinkard Creek, about 1.5 miles north of the Lost Creek Res. Dam, about 3.5 miles NW of Strawberry Valley.
1200
Comment
JEPS87706
Carex gracilior
Lowell Ahart
1994-4-29
7291
Butte
about 2 1/2 mi n and 2 3/4 mi e Honcut (on the w side of North Honcut Creek, about 12 mi se of Oroville); North Honcut Creek
54
Comment
CHSC61651
Carex heteroneura var. heteroneura
Lowell Ahart
1993-9-8
7157
Butte
On the north side of the ridge, about 1 mile east of Snow Mountain.
2072
Comment
HSC96350
Carex hirtissima
L. P. Janeway
2003-6-8
7816
Butte
Flea Valley, meadow at head of Concow Creek
1116
Comment
JEPS110319
Carex hoodii
Lowell Ahart
2006-7-25
13055
Butte
West of the 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
CHSC113416
Carex integra
Lowell Ahart
2014-7-10
19635
Butte
About 80 yards south of Philbrook Road, about 1 1/4 miles west of Philbrook Reservoir.
1648
Comment
CHSC41296
Carex jonesii
S. C. Morey
1983-7-21
491
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
1414
Comment
CHSC59006
Carex laeviculmis
Lowell Ahart
1992-6-26
6783
Butte
Bog like area, on the east side of Rogers Cow Camp, about 1/2 mile north-west of Merrimac.
1219
Comment
UC1133395
Carex laeviculmis
P. L. Johannsen
1936-7-17
950
Butte
3 mi se of Butte Meadows (Lassen National Forest); Lassen National Forest
1554
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
JEPS105283
Carex lemmonii
Dean W. Taylor
1995-8-6
15396
Butte
5 air mi NE of Stirling City; boggy meadow 0.5 mi E of Bald Mountain summit; Lassen National Forest; Northern Sierra Nevada
1706
Comment
JEPS109921
Carex lemmonii
Dean W. Taylor
2006-8-17
19643
Butte
Keyser Creek; boggy fen with patterned ground [ca. 5 miles NNE of Stirling City]
1524
Comment
CHSC105540
Carex luzulina
Lowell Ahart
2010-9-28
17263
Butte
On damp black soil, on a moss covered high bank, 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 Philbrood Reservoir.
1886
Comment
RSA774128
Carex luzulina var. ablata
L. Ahart
2010-9-21
17219
Butte
Near a poor camp, 30 yards west of Big Kimshew Creek, about 1.5 air miles NE of Jones Meadow, about 2.5 air miles SE of Philbrook Reservoir
1918
Comment
CHSC49389
Carex microptera
L. P. Janeway; R. A. Schlising
1988-7-22
3048
Butte
Just below saddle between Coon Hollow and Chips Cr.
1920
Comment
CHSC52255
Carex microptera
L. P. Janeway; R. A. Schlising
1988-7-1
2936
Butte
Creekbed of Willow Cr where Humbug Rd crosses.
1874
Comment
CHSC103223
Carex multicaulis
L. P. Janeway; Matt Simenc, Sarah Starkey, Nicole Habecker
2010-5-25
9979
Butte
Northern High Sierra Nevada. Plumas National Forest; near Bean Creek Road near the Dome Trail Trailhead, 1.4 km south of Bald Rock Dome; near top of ridge between Bean Creek and Middle Fork Feather River.
853
Comment
SEINET10467332
Carex multicaulis
Mary Susan Taylor
1981-3-24
Taylor 3435
Butte
Two mile stretch along both sides of Feather River Hwy (70), just ne of Pulga to Cresta Powerhouse, ca. 20 mi ne of Oroville; granite gravels & soil; ca. 1700 ft. T23N R5E Pulga quad.
518
Comment
CAS-BOT-BC119744
Carex nebrascensis
L. P. Janeway; C. A. Janeway
1986-9-13
1848
Butte
Jonesville quad. Along Humbug Rd. ca 1.5 mi SW of Humbug Summit.
1859
Comment
CHSC89037
Carex nebrascensis
L. P. Janeway; B. Castro
2004-8-15
8245
Butte
High Cascade Range. At Cold Springs; north side of Humbug Summit Road halfway between Willow Creek and Humbug Summit.
1975
Comment
UC600697
Carex pellita
H. F. Copeland
1923-8-1
554
Butte
Jonesville
Comment
UCD140554
Carex pendula
Peter F. Zika
2010-5-16
24824
Butte
both sides of channel and bridge, junction of Breslauer Avenue and Lone Pine Avenue, SW of Chico. W of Janeway's Station. Sacramento Valley.
45
Comment
CHSC44952
Carex praegracilis
L. P. Janeway
1988-6-14
2762
Butte
Northwest side of cyn of Little Chico Cr ca 2 air mi S of Ten Mile House.
259
Comment
CHSC47132
Carex praegracilis
L. P. Janeway
1987-5-20
2058
Butte
Near Gold Flat, Hodap Cr, jct of Lunt Rd and Nelson Bar Rd.
457
Comment
CHSC48542
Carex rossii
L. P. Janeway; R. A. Schlising
1988-7-16
3009
Butte
Along Colby Mountain Rd, 1/4 mi N of Jonesville.
1554
Comment
SEINET10749868
Carex straminiformis
A. Arthur Heller
1928-6-16
Heller 14614
Butte
Damp grassy places in the yellow pine forest at Butte Meadows.
Comment
SEINET12649898
Carex subbracteata
L. P. Janeway
2011-1
10229
Butte
57
Comment
CHSC36883
Carex subfusca
J. D. Jokerst; R. A. Schlising
1982-9-7
1658 A
Butte
Coon Hollow along the edges of forest service road 26N74 ca 1/2 mi W of the West Branch Feather River. N of Philbrook Resv.
Comment
CHSC52879
Carex subfusca
L. P. Janeway
1987-7-4
2428 A
Butte
Near seepy area along road to Jones Mdw 9.6 mi from Inskip. NW-facing slopes above Last Chance Cr.
1676
Comment
RSA4408
Carex subfusca
E. B. Copeland
1929-7-20
611
Butte
Jonesville.
1500
Comment
CAS-BOT-BC116734
Carex subfusca
Clarence Roy Quick
1963-7-16
63 51 a
Butte
Section Corner Meadow, E of Pilga, Feather River Canyon.
1463
Comment
CDA33157
Carex subfusca
T. C. Fuller
1963-7-12
9187
Butte
Butte Creek; road to Jonesville, 2 miles east of Butte Meadow.
0
Comment
CHSC52239
Carex utriculata
L. P. Janeway; R. A. Schlising, B. Castro, F. Jay Fuller
1988-7-11
2988
Butte
Crane Valley (upper Big Kimshew Cr); meadow.
1569
Comment
UC203660
Carex utriculata
A. A. Heller
1914-6-22
11494
Butte
Chico Meadows
1219
Comment
CHSC45067
Carex vesicaria
Vernon Oswald
1987-6-23
3020
Butte
High Lakes Rd. 4.8 mi (odometer) n of Philbrook Rd.
1889
Comment
CHSC44838
Carex whitneyi
L. P. Janeway; R. A. Schlising, B. Castro
1988-7-23
3077
Butte
Top of ridge between Snag Lake and Butte Cr; ca 1.4 air mi W of Butte Creek House.
1935
Comment
CAS-BOT-BC499135
Carex xerophila
Peter F. Zika; L. P. Janeway
2012-5-16
25868
Butte
Coutolenc Road 0.1 mi N of Skyway Rd.
720
Comment
SEINET13723638
Carex xerophila
P. F. Zika, L. P. Janeway
2012-5-16
25868
Butte
northern highlands, Coutolenc Road 0.1 mi north of Skyway Road
720
Comment
UCD140189
Carex xerophila
G. F. Hrusa; T. D. Wilfred
1997-5-7
13726
Butte
Sierra Nevada. Near summit of SSE slope above Little Butte Creek, N of Magalia. Immediately east of Holmwood Drive.
750
Comment
CAS-BOT-BC248932
Castilleja
Frances Brown
1935-4-1
s.n.
Butte
Near Durham
Comment
JEPS3015
Castilleja affinis subsp. affinis
Barbara Gail Paulson
1952-4-11
3
Butte
near Cherokee
365
Comment
CHSC109577
Castilleja applegatei subsp. pinetorum
L. P. Janeway
2012-6-23
10887
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
CHSC114973
Castilleja applegatei subsp. pinetorum
Lowell Ahart
2015-4-18
20055
Butte
On the east side of the road to Forbeestown Reservoir, about 1/4 mile southwest of the Forbestown Reservoir, about 3-1/2 miles (air) northeast of Forbestown.
573
Comment
JEPS26677
Castilleja applegatei subsp. pinetorum
P. C. Hutchison
1961-6-9
2103
Butte
along U.S. Alt 40 at Pulga Bridge (canyon of the north fork of the Feather River, w side of river)
Comment
UC1562305
Castilleja arachnoidea
Vernon Oswald and Lowell Ahart
1990-7-19
4367
Butte
ca 3 mi e Philbrook Reservoir (slope on the s side of Philbrook Creek, ca 0.4 mi w of the Plumas County line)
2011
Comment
CHSC83922
Castilleja attenuata
Lowell Ahart
2003-4-10
10057
Butte
Near the east side of the 'sunken area,' about 150 yards west of the east rim of South Table Mountain, about 2 1/2 miles (air) north of Oroville.
320
Comment
JEPS81481
Castilleja attenuata
M. S. Taylor
1982-4-28
4355
Butte
ca 12 mi sw Gridley (Graylodge Waterfowl Refuge, n side of Rutherford Rd, w of Pennington Rd); Pennington Quad.
21
Comment
CHSC81311
Castilleja exserta
J. Trizzino
2001-3-13
10
Butte
North Table Mountain.
384
Comment
CHSC4255
Castilleja lacera
J. E. Bowlin
1967-4-14
32
Butte
3.4 mi. E of corner of Keefer Rd. and Cohasset, Chico.
Comment
CHSC52373
Castilleja lacera
L. P. Janeway
1989-5-17
3259
Butte
Large mdw at upper jct Black Bart Rd and Forbestown Rd.
746
Comment
RSA0108969
Castilleja lacera
Lowell A. Ahart
2015-4-18
20048
Butte
On the west side of Robinson Mill Road, about 1.5 miles southwest of the intersection of Robinson Mill Road and Forbestown Road, about 12 miles (air) southeast of Oroville.
685
Comment
SEINET12291098
Castilleja linariifolia
Unknown
5
s.n.
Butte
no further locality
Comment
CAS-BOT-BC241129
Castilleja miniata
A. A. Heller
1914-7-23
11612
Butte
Sierra Nevada at Chico Meadows
1219
Comment
UC426961
Castilleja miniata
E. B. Copeland
1929-7-25
467
Butte
Jonesville
1500
Comment
JEPS31898
Castilleja tenuis
A. A. Heller
1914-6-22
11509
Butte
Chico Meadow
1219
Comment
CHSC77024
Catalpa speciosa
L. P. Janeway
1999-8-5
6515
Butte
Within the City of Chico, along Big Chico Creek between Esplanade and the Camillia Way Bridge.
59
Comment
JEPS117625
Catalpa speciosa
Lowell Ahart
2010-5-28
16744
Butte
On the north side of the path, about 30 yards southwest of the Cedar Grove Parking Area, in Lower Bidwell Park, Chico
67
Comment
RSA20877
Ceanothus cuneatus
Carl B. Wolf
1937-3-29
8338
Butte
Sierra Nevada foothills, 7.8 miles below Paradise on Chico Road.
152
Comment
RSA85961
Ceanothus cuneatus
C. C. Bruce
1897-1
1816
Butte
Little Chico
Comment
UC177593
Ceanothus cuneatus var. cuneatus
H. M. Hall
1914-8-2
9831
Butte
foothills near Bidwell Bar (near Mt. Ida Ranch), Sierra Nevada Mts.
Comment
CAS-BOT-BC50777
Ceanothus integerrimus
E. B. Copeland
1929-7-14
383
Butte
Jonesville
1650
Comment
CHSC64129
Ceanothus integerrimus
Michael Deal
1992-4-19
5
Butte
Private property, 449 Castle Drive, w of Laurel St., Paradise.
609
Comment
JEPS108797
Ceanothus integerrimus
Lowell Ahart
2006-6-24
12860
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
1128
Comment
JEPS115617
Ceanothus integerrimus
Lowell Ahart
2009-5-15
15693 -A
Butte
On the south 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
LA43617
Ceanothus integerrimus
E. B. Copeland;
1929-7-14
sn
Butte
Jonesville
502
Comment
SD2946
Ceanothus integerrimus
E. B. Copeland
1929-7-14
Butte
Jonesville, in edge of fir and pine woods.
1650
Comment
CHSC3514
Ceanothus integerrimus var. macrothyrsus
John Francis
1966-4-16
107
Butte
1.5 miles E. of covered bridge (Honey Run); growing in grass-covered area beside road.
Comment
SEINET10493641
Ceanothus integerrimus var. macrothyrsus
Lowell Ahart
1985-3-4
Ahart 4844
Butte
On red rocky soil near Kunkle Res., about 2 miles south of Paradise.
Comment
RSA300948
Ceanothus prostratus
D. C. Michener
1982-7-28
4140
Butte
Along 32, 3.5 miles NE of Forest Ranch (at Nopel road), Yellow pine forest
Comment
RSA753078
Ceanothus prostratus
Dylan O. Burge
2007-5-11
DOB- 921 b
Butte
East shore of Lake de Sabla, 1.5 road miles (2.4 km) N of intersection with Magalia Nimshew Road on Skyway, 7.35 km 338 degrees (True) NNW of Magalia.
850
Comment
CAS-BOT-BC52420
Ceanothus velutinus var. velutinus
E. B. Copeland
1930-6-29
424
Butte
Jonesville
1550
Comment
CHSC111408
Celtis australis
Lowell Ahart; Susan Bazell, Josephine Guardino, Wes Dempsey
2012-7-5
18264 A
Butte
Cedar Grove, parking area, Lower Bidwell Park, Chico.
71
Comment
CDA7258
Centaurea maculosa
W. Gilbert, R. Dodd
1970-7-22
Butte
North side of Highway 32 west of California Forestry Station, Forest Ranch, northeast of Chico.
0
Comment
CHSC32681
Centaurea melitensis
M. S. Taylor
1981-3-24
3447
Butte
S side of Hwy 70, in turn out just e of Poe Dam, ca. 1 mi e of Pulga, in turn out.
487
Comment
UCD80049
Centaurea melitensis
CNPS SN Foothill Team
2005-5-4
SNFN 0201 f
Butte
City of Chico, Upper Bidwell Park, on the west side of Big Chico Creek, on an east-facing slope. The plot location is ~1 mile from the end of Upper Park road, and about 110 m upslope of the road.
273
Comment
CAS-BOT-BC272093
Centaurea melitensis
A. A. Heller
1916-4-13
1753
Butte
Stilson Canyon east of Chico
Comment
UCD130049
Centaurea melitensis
A. A. Heller
1916-4-13
12323
Butte
Stilson Canyon east of Chico.
Comment
CHSC115798
Centaurea stoebe subsp. micranthos
Lowell Ahart
2015-9-8
20533
Butte
On the sides of a dirt road, about one mile northeast of the bridge across Fall River, about 8 miles (air) northeast of the school in Feather Falls.
1191
Comment
CHSC109599
Centaurium tenuiflorum
Lowell Ahart; Susan Bazell, Josephine Guardino
2012-5-31
18123
Butte
On the south side of the paved park road (Peterson Drive) about 100 yards west of the gate, lower Bidwell Park, Chico.
76
Comment
SEINET10454834
Centaurium venustum
Mary Susan Taylor
1980-5-15
Taylor 2632
Butte
T23N R2E ne sec 7. In and around vernal pools in Chaparral area on Cohasset Ridge, ca. 1/4 mi E of Cohasset Rd, ca. 9 mi NE of Chico.
396
Comment
JEPS106000
Centunculus minimus
Lowell Ahart
2004-4-4
10716
Butte
Bottom of a vernal pool, about 250 yards east of Wilber Road, northeast of the high hill crossed by Wilber Road, cattle pasture, about 3 miles (air) west of Thermalito
48
Comment
CHSC66677
Cephalanthus occidentalis var. californicus
Vernon Oswald
1996-7-17
8061
Butte
Sacramento River National Wildlife Refuge; Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River.
30
Comment
SEINET10902539
Cephalanthus occidentalis var. californicus
Mary Susan Taylor
Taylor 834
Butte
Bidwell Park, Chico.
Comment
CHSC113370
Cerastium glomeratum
Lowell Ahart
2014-4-16
19363
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
CHSC113378
Cerastium glomeratum
Lowell Ahart
2014-4-15
19355
Butte
Near a small drainage, below the high water line of Lake Oroville, about 400 yards west of the old road, about 3 1/2 miles (air) northeast of Oroville Dam.
235
Comment
JEPS115843
Cerastium glomeratum
Lowell Ahart
2009-4-22
15604
Butte
West side of the Guardians Trail, along the small 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
CAS-BOT-BC388268
Cerastium glomeratum
Robert Kehlor
1951-5-6
46
Butte
J. M. Kehlor ranch, 6 1/4 miles east of Oroville
Comment
CAS-BOT-BC251514
Cercis occidentalis
Camille F. Nowell
2012-7-16
47
Butte
Hwy 32 approx 13 mi NE of Chico.
433
Comment
CHSC26457
Cercis occidentalis
P. Moyer
1972-3-11
120
Butte
CSUC Campus. E side of Cafe bridge, n bank of Chico Ck.
60
Comment
CHSC33360
Cercis occidentalis
Steve Alvarez
1980-3-24
19
Butte
Ca. 4.7 km e of Chico, 2.1 km wsw of Paradise, 0.1 km s of n edge of Coon Ridge, 0.2 km n of Skyway road.
270
Comment
OBI69157
Cercis occidentalis
Kari Fisher, Bill Fisher
2000-10-8
27
Butte
Upper Bidwell Park, along Upper Bidwell Park rd
98
Comment
SEINET11892046
Cercocarpus betuloides
Unknown
1985-1
4843
Butte
near Kunkle Reservoir, about 2 mi S of Paradise
488
Comment
CHSC37621
Cercocarpus betuloides var. betuloides
T. B. Devine
1979-7-8
584
Butte
Along Hwy 32, ca. 1/2 mi below T. V. cable antenna, ca. 11 mi N of Chico.
Comment
CHSC54297
Chaenactis glabriuscula var. heterocarpha
Vernon H. Oswald
1991-6-5
4645
Butte
Dirt road to Minnie-Ha-Ha Mine located on Big Chico Creek, on the west side of Hwy 32 ca. 1.5 miles (air) northwest of Platte Mtn Lookout, between Forest Ranch and Lomo.
701
Comment
SBBG28959
Chamaesaracha nana
E. B. Copeland
1929-7-16
Butte
Jonesville
1550
Comment
UC600653
Chamaesaracha nana
H. F. Copeland
1930-7-18
Butte
Jonesville
Comment
CDA34170
Chamaesyce maculata
L. Ahart
2009-10-7
16407
Butte
Larkin Road access to the Thermalito Afterbay, about 0.5 miles (air) southwest of Oroville.
Comment
CHSC83079
Chamaesyce maculata
Lowell Ahart
2002-10-17
9994
Butte
On the gentle hills below the high water line of Lake Oroville, about 1 1/2 miles south of Highway 162 (Oroville Quincy Highway), about 3 miles (air) northeast of Oroville Dam.
227
Comment
CHSC97130
Chamaesyce maculata
Lowell Ahart
2007-7-2
14242
Butte
East road edge of Oroville Quincy Highway, about one mile south of Big Ridge Road, about 9 miles (air) northeast of Oroville.
362
Comment
JEPS108966
Chamaesyce maculata
Lowell Ahart
2006-9-13
13327
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
JEPS95154
Chamaesyce maculata
Lowell Ahart
1997-10-24
7941
Butte
about 20 yards n of South Fork of the Feather River (on the e side of Sucker Creek, strand of Lake Oroville, about 1/4 mi w of the Ponderosa Dam); e side of Sucker Creek
274
Comment
RSA754842
Chamaesyce maculata
L. Ahart
2009-8-15
16283
Butte
Garden area, Peter Ahart Ranch, about 1.5 miles north and 1 miles east of Honcut, about 12 miles south of Oroville.
34
Comment
CHSC31696
Chamaesyce nutans
L. Ahart
1974-8-14
600
Butte
Along North Honcut Creek. Peter Ahart Ranch, Honcut.
45
Comment
CDA35250
Chamaesyce ocellata
T. C. Fuller
1962-8-6
9332
Butte
North of Hwy 99E to Chico, 1.2 miles south of Tehama/Butte County line.
0
Comment
CDA35256
Chamaesyce ocellata
T. C. Fuller
1962-5-17
8711
Butte
Highway 99E to Vina, 12.3 miles northwest of Chico.
0
Comment
JEPS115651
Chamaesyce serpillifolia subsp. serpillifolia
Lowell Ahart
2009-8-13
16271
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
SEINET10529951
Cheilanthes californica
Mary Susan Taylor
1981-5-15
Taylor 3732
Butte
T22N R5E sw/nw sec 18, Pulga SW quad. N side of Feather River Hwy 70, at Plumas National Forest boundary, ca. 2 mi NE of Jarbo Gap. 2000 ft.
610
Comment
CAS-BOT-BC69442
Cheilanthes gracillima
M. S. Taylor; K. Tharp
1983-3-11
5223
Butte
Big Bald Rock, ca. 3 mi. s. of Brush Creek, ne. of Oroville.
975
Comment
CHSC43574
Cheilanthes gracillima
Vernon Oswald
1984-7-2
1345
Butte
2.5 mi se of the junction of 26N27 and Humboldt Rd. ne of Jonesville.
1767
Comment
CHSC44088
Cheilanthes gracillima
L. P. Janeway
1987-7-5
2465
Butte
Along the road to High Lakes, 5.2 mi from the Skyway (Philbrook Rd.).
1844
Comment
SEINET10529917
Cheilanthes gracillima
Mary Susan Taylor
1980-5-27
Taylor 2663
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
SEINET10529939
Cheilanthes siliquosa
Mary Susan Taylor
1979-10-13
Taylor 2263
Butte
T22N R4E s edge of sec 8. Serpentine outcrop on Jordan Hill Road (Ponderosa Way on some maps), ca. 5.3 mi N of its jct with Concow Road, ca. 2 mi E of Paradise. With Jim Jokerst.
610
Comment
JEPS95989
Chenopodium album
Lowell Ahart
1999-10-28
8312
Butte
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
CHSC110403
Chenopodium strictum var. glaucophyllum
Lowell Ahart
2012-9-28
18457
Butte
Restoration area, south of Vallombrosa Avenue, north of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
62
Comment
JEPS119954
Chenopodium strictum var. glaucophyllum
Lowell Ahart
2012-9-28
18457
Butte
Restoration area, south of Vallombrosa Avenue, north of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
Comment
SD3528
Chimaphila umbellata
E. B. Copeland
1930-6-24
Butte
Jonesville
Comment
CDA38838
Chimaphila umbellata
Vernon H. Oswald & Lowell Ahart
1998-8-11
9462
Butte
USFS 25N95 to Upper Wildcat Creek ca. 0.3 mile north of Four Trees-Coyote Gap Road.
Comment
SEINET3451380
Chloris virgata
Unknown
2006-8-2
6 .337
Butte
East of Butte City, East of Butte City, along Ord Ferry Road, east of old Sacramento River district
30
Comment
CHSC103702
Chlorogalum angustifolium
Lowell Ahart
2010-5-14
16639
Butte
Along the east side of the poor dirt road, parking area, about 100 yards north of the entrance to the Disc Golf Area, west side of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
394
Comment
SEINET10872218
Chlorogalum angustifolium
Mary Susan Taylor
1980-5-15
Taylor 2621
Butte
N of Chico along Cohasset Road.
Comment
SEINET10905133
Chlorogalum pomeridianum
Lowell Ahart, Peter Ahart
1983-6-21
Ahart 4082
Butte
T20N R5E sec 6. Along Bloomer Hill Rd, ca. 3/4 mi w of Oroville-Quincy Hwy, ca. 15 mi ne of Oroville. Foothill Woodland; 425 m.
425
Comment
CHSC84158
Chondrilla juncea
Lowell Ahart
2003-6-30
10331
Butte
Near the water pipe where it comes out of the mountain, on the north side of the Ponderosa Reservoir, about 2 miles (air) north of Forbestown.
481
Comment
CHSC103750
Chorizanthe polygonoides var. polygonoides
Lowell Ahart
2010-5-16
16705
Butte
About 100 yards west of the fence, about 1/2 mile southeast of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
381
Comment
CHSC45363
Chorizanthe polygonoides var. polygonoides
Vernon Oswald
1984-4-4
1117
Butte
Humbug Rd., 1.6 mi s-w of its jct. with Nimshew Ridge Rd., ca. 3 mi w of Magalia.
670
Comment
CHSC46278
Chorizanthe polygonoides var. polygonoides
Vernon Oswald
1989-4-14
3734
Butte
Wurlitzer Unit, Vina Plains Preserve. Near the northeast gate on Haille Rd.
57
Comment
JEPS104309
Chorizanthe stellulata
Lowell Ahart
2003-5-27
10218
Butte
Rifle and Trap Range, ne of Horseshoe Lake, n of Parking Area E, Upper Bidwell Park, ca 1 1/2 mi e of Manzanita Avenue, Chico.
103
Comment
SEINET516311
Chorizanthe stellulata
Vernon H. Oswald
1998-5-6
8986
Butte
Upper Bidwell Park (new addition), Pine trail near the trailhead on Hwy 32 between Chico and Forest Ranch opposite Santos Rd.
453
Comment
CHSC48446
Cicendia quadrangularis
Vernon Oswald
1984-3-25
1105
Butte
Upper Bidwell Park, Chico, ca. 100 ft s of Salmon Hole Parking Lot. Along Yahi Trail.
152
Comment
SEINET5507008
Cirsium andersonii
E. B. Copeland
1931-7-27
n.s.
Butte
Jonesville
1650
Comment
UC921141
Cirsium occidentale var. candidissimum
H. S. Reed
1939-8-5
292
Butte
Chico
Comment
CAS-BOT-BC285524
Cirsium occidentale var. candidissimum
John Thomas Howell
1955-6-15
30504
Butte
Near Pentz
Comment
CHSC111407
Cirsium vulgare
Lowell Ahart
2012-6-28
18245
Butte
On the north side of the paved park road, about 30 yards south of Vallombrosa Avenue on the north side of Big Chico Creek, northeast of Sycamore Pool, Lower Bidwell Park, Chico.
61
Comment
CDA42837
Cirsium vulgare
H. Bloo, B. Voorhees
2002-9-5
PDR 1174351
Butte
Sacramento Valley; Rough area adjacent to fairway at Bidwell Golf Course.
0
Comment
CAS-BOT-BC228749
Cistanthe umbellata
A. A. Heller
1917-7-29
12858
Butte
Summit above Jonesville
2133
Comment
CAS-BOT-BC228758
Cistanthe umbellata
E. B. Copeland
1930-7-12
413 A
Butte
Above Jonesville
2000
Comment
HSC64500
Clarkia arcuata
J. P. Smith, J. O. Sawyer
1973-4-14
6054
Butte
Bruce Lane, between Skyway and Humboldt Rd., E of Chico.
Comment
SEINET12193694
Clarkia arcuata
T. A. Barrett
1976-1
10
Butte
13.7 km E of Chico, N side of the Skyway
500
Comment
SEINET5740165
Clarkia arcuata
Johann D. Watjen
1969-1
40
Butte
Table Mountain, 7 miles S of Hwy 70, 0.2 miles off of Cherokee Road.; Table Mountain
610
Comment
JEPS105624
Clarkia biloba subsp. brandegeeae
L. P. Janeway, John Hunt
2003-6-5
7807
Butte
Northern Sierra Nevada Foothills. Northerly-facing slope over-looking Lake Oroville about 102 m west of the south end of Bidwell Bar Bridge, between the Oroville-Quincy Hwy and the lake
287
Comment
CAS-BOT-BC164133
Clarkia concinna
Helen M. Edwards
1917-6-1
s.n.
Butte
De Sabla
Comment
CHSC94043
Clarkia gracilis subsp. albicaulis
R. D. Fischer
2005-9-9
710
Butte
Sierra Nevada foothills, adjacent Hwy. 32, below Forest Ranch on the Big Chico Creek Ecological Reserve and on the north side of the hwy. at Crown Point Road junction.
518
Comment
RSA718034
Clarkia gracilis subsp. albicaulis
R. D. Fischer
2005-9-9
710
Butte
Sierra Nevada foothills, adjacent Hwy 32, below Forest Ranch on the Big Chico Creek Ecological Reserve and on the north side of the hwy. at Crown Point Road junction.
518
Comment
CAS-BOT-BC163267
Clarkia mildrediae subsp. lutescens
M. S. Taylor
1978-7-21
1804
Butte
On n side of Oroville-[Quincey] Quincy Hwy, ca. 9 mi n of Lake Madrone
914
Comment
CHSC64114
Clarkia mosquinii
L. P. Janeway
1994-6-24
4673
Butte
West side of Chino Ridge; along Rd 28 6.0 mi northwest of Rd 34, just before Last Chance Creek. South-facing road cutbank.
786
Comment
CHSC64117
Clarkia mosquinii
L. P. Janeway
1993-7-12
4436
Butte
Upper drainage of Berry Creek; along Rd 21N80 0.9 mi northwest of Zink Road. South-facing road cutbank at curve of the road.
853
Comment
CHSC86578
Clarkia mosquinii
L. P. Janeway; John Hunt
2003-7-1
7861
Butte
Northern High Sierra Nevada. Along southeast edge of Middle Fork Feather River arm of Lake Oroville, 960 m west-southwest of mouth of Frey Creek. Just above high water line.
276
Comment
CHSC64326
Clarkia purpurea subsp. quadrivulnera
H. H. Schmidt; M. Merello, L. Woodruff
1993-6-15
866
Butte
Plumas National Forest on state road 23N06 1.5 miles N of the junction with highway 70.
880
Comment
RSA755642
Clarkia purpurea subsp. quadrivulnera
L. Ahart
2009-5-15
15677
Butte
About 20 yards east of the dirt road that is Ten Mile House Road, Upper Bidwell park, about 3/4 air mile west of Highway 32, about 10 miles northeast of Chico.
235
Comment
CAS-BOT-BC164776
Clarkia rhomboidea
Lowell Ahart
1979-5-29
s.n.
Butte
2 1/2 mi se of Paradise
500
Comment
CHSC26849
Clarkia rhomboidea
M. S. Taylor; M. Hayes
1978-6-24
1642
Butte
On n side of Old Humboldt Rd at jct of Butte Creek and Old Humboldt Rd, ca. 1/2 mi w of Butte Meadows.
1371
Comment
CHSC60997
Clarkia rhomboidea
Lowell Ahart
1993-6-20
6980
Butte
Lumpkin Ridge, about 1 1/2 miles east of Camp 18, about 6 1/2 (air) miles north-east of Feather Falls.
1219
Comment
UCD104980
Clarkia rhomboidea
L. Ahart
1983-6-26
4118
Butte
About 15 miles NE of Oroville, about 2 miles SE of intersection of the Oroville/Quincy Highway and Ponderosa Way.
500
Comment
CAS-BOT-BC439109
Claytonia exigua subsp. exigua
A. A. Heller
1919-3-29
13094
Butte
Feather River near Yankee Hill
Comment
NY342211
Claytonia palustris
J. R. Swanson
1959-7-4
490
Butte
Jonesville; above south bank of Jones Creek, 0.4 km east of the Jonesville Hotel
1550
Comment
SEINET10674969
Claytonia palustris
John R. Swanson
1959-7-4
Swanson 490
Butte
Butte Co., Jonesvile, marshy, sloping, stream-fed meadow above south bank of Jones Creek. 0.4 km. east of the Jonesville Hotel.
1550
Comment
JEPS107415
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
UC204570
Claytonia parviflora subsp. parviflora
A. A. Heller
1914-4-6
11240
Butte
12 mi from Chico (Chico-Oroville road, on the banks of Dry Creek); Dry Creek
Comment
POM102022
Claytonia perfoliata
C. C. Bruce
1897-05
2016
Butte
Little Chico.
Comment
SEINET10572739
Claytonia rubra
Lowell Ahart, Peter Ahart
1984-7-19
Ahart 4743
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
CHSC4714
Claytonia rubra subsp. rubra
R. Carter
1966-4-28
383
Butte
Found in Feather R. Canyon ca. 1.5 mi. SW of Cresta Power House on E side Hwy. 70; growing in loose granite on bank above road.
670
Comment
CHSC110129
Clematis lasiantha
L. P. Janeway
2012-3-21
10799
Butte
Northern Sierra Nevada Foothills. Near the top of a flattened knoll on east side of Thermalito Diversion Pool between the Pool and the railroad tracks, about 0.4 km north-northeast of the Diversion Dam (Feather River; Oroville).
88
Comment
POM98214
Clematis lasiantha
C. C. Bruce
1898-03
s.n.
Butte
Little Chico Creek.
Comment
CHSC84380
Clematis ligusticifolia
L. Ahart; P. Ahart
1983-7-24
4215
Butte
At the Forbestown Reservoir, ca. 5 mi ne of Forbestown.
450
Comment
CHSC42810
Clintonia uniflora
L. P. Janeway
1987-6-13
2221
Butte
Along Concow Rd just SW of rd to Five Corners and Stirling City.
1188
Comment
UCD123666
Collinsia sparsiflora
Michael A. Vincent; Ethan H. Freid
1998-4-6
8129
Butte
Table Mountain.
Comment
CHSC30375
Collinsia sparsiflora var. collina
J. D. Jokerst
1979-3-9
1140
Butte
Top of North Table Mt., near the E edge of mt adjacent to and S of the waterfalls of the S branch of Coal Cr., center of the W edge of section 8.
Comment
UC196054
Collinsia sparsiflora var. sparsiflora
A. A. Heller
1914-3-9
11190
Butte
Chico, in a field near the U.S. Plant Introduction Garden Chico
Comment
CHSC79571
Collinsia tinctoria
G. F. Hrusa; E. Sandoval
1993-5-29
11134
Butte
Feather River Canyon. Base of south-facing slope at corner of Hwy 70 and Pulga Rd. at bridge over Feather River. [Original lat./long. on label is '39 48 N; 121 37 W'].
800
Comment
CHSC93857
Collinsia tinctoria
Lowell Ahart
2006-6-9
12654
Butte
On the west side of Bardees Bar Road, north of the small 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
UC478480
Collomia grandiflora
E. B. Copeland
1930-7-16
Butte
Jonesville
1600
Comment
CHSC26850
Collomia linearis
M. S. Taylor; M. Hayes
1978-6-24
1644
Butte
On Ernies Island in Butte Creek, at jct with Old Humboldt Rd, ca. 1/2 mi w (or e) of Butte Meadows.
1371
Comment
JEPS115538
Collomia tinctoria
Lowell Ahart
2009-5-15
15716
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 Highway 32, about 10 miles northeast of Chico
234
Comment
RSA31755
Comandra umbellata subsp. californica
A. A. Heller
1918-5-5
13013
Butte
Magalia.
Comment
UCD149838
Consolida ajacis
Harry A. George
1967-4-24
s.n.
Butte
Table Mt.
Comment
CHSC2475
Corallorhiza striata
W. Fitzwater
1958-3-12
Butte
Near Stirling City.
1463
Comment
CHSC51014
Cordylanthus pilosus var. tenuis
Lowell Ahart
1990-8-15
6589
Butte
On the east side of the Enterprise Boat Launch Area Parking area, about 1/2 miles north-west of the Enterprise Bridge across Lake Oroville.
335
Comment
UCD131025
Coreopsis tinctoria
E. M. Johnston
1915-1
148 -J
Butte
Biggs.
Comment
UC1122780
Cornus nuttallii
P. L. Johannsen
1936-7-17
932
Butte
1/2 mi. s. Butte Meadows (Plot 2); Lassen Nat'l Forest, Paynes Creek Quad.
Comment
UC1122795
Cornus nuttallii
J. E. Sowder
1933-7-6
107
Butte
2 mi. n.e. Cohassett; Chico Quad.
Comment
UCD117250
Cornus nuttallii
P. Thompson
1996-4-26
38
Butte
Hwy 70. Belden. Along the main street through Belden.
1000
Comment
CHSC48307
Cornus sericea subsp. sericea
Vernon Oswald
1987-6-23
3007
Butte
Just w of the Skyway, 1.4 mi (odometer) s of Inskip.
1426
Comment
CAS-BOT-BC210522
Cornus sessilis
A. A. Heller
1914-6-24
11514
Butte
West side of the Sierra Nevada at West Branch
1036
Comment
UC193079
Cornus sessilis
Dr. Parry
April, 1883
Butte
Chico Creek
Comment
UC775193
Cornus sessilis
Herbert L. Mason
1940-5-22
12311
Butte
Humboldt Rd. ca. 10 mi. above Chico
Comment
UCD117262
Cornus sessilis
Franklin C. Raney
1964-9-10
s.n.
Butte
Ten miles northeast of Feather Falls.
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
JEPS120054
Cotoneaster lacteus
Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-4-16
17854
Butte
On the south side of Big Chico Creek, east of the Deer Pen, between Tables 10 & 11, Lower Bidwell Park, Chico.
Comment
CHSC90637
Cotula australis
Lowell Ahart
2005-4-2
11680
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
RSA769676
Cotula australis
L. Ahart
2009-3-9
15497
Butte
At the home, Peter Ahart Ranch, about 1.5 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
34
Comment
JEPS128723
Cotula coronopifolia
Lowell Ahart
2017-4-22
21390
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles (air) south of Oroville.
Comment
SEINET3450921
Cotula coronopifolia
Unknown
2003-6-23
10310
Butte
Oroville, Oroville, about 12 miles south, Peter Ahart Ranch, about 2 1/8 miles north of Honcut, about 300 yards east of Palermo Honcut highway
30
Comment
CAS-BOT-BC427628
Crassula aquatica
Lowell Ahart
1982-5-14
3436
Butte
Peter Ahart Ranch, about 2 1/2 miles north and 1/2 mile east of Honcut
50
Comment
JEPS102771
Crassula aquatica
Lowell Ahart
2001-4-15
8728
Butte
4 air mi SW of Gridley (Gray Lodge Waterfowl Management Area; deep ditch SE of the large pump, S side of Evans-Reimer Road, 1 mi E of Pennington Road)
22
Comment
JEPS120654
Crassula aquatica
Lowell Ahart
2013-10-26
19213
Butte
On the south side of Philbrook Creek, below the high water line (strand) of Philbrook Reservoir.
Comment
CHSC38404
Crassula connata
Vernon Oswald
1983-3-9
139
Butte
Upper Bidwell Park, Chico, on north slope 1200 ft e of the power lines and 1600 ft n of Upper Park Rd.
182
Comment
CAS-BOT-BC376468
Crepis pleurocarpa
M. S. Taylor
1982-6-24
4722
Butte
W side of Ponderosa Way (Rim Rd), under PGE lines, 1.1 mi n of its jct with Hwy 70 at Jarbo Gap
853
Comment
CHSC46403
Crucianella angustifolia
Lowell Ahart
1989-5-23
6252
Butte
About 1/2 mile west of the Oroville Bangor Highway, about 1 mile north-west of Bangor.
213
Comment
CHSC47474
Crucianella angustifolia
Lowell Ahart
1973-5-24
220
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
JEPS115618
Crucianella angustifolia
Lowell Ahart
2009-5-15
15706
Butte
On the east side of Big Chico Creek, 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
234
Comment
CHSC47612
Crypsis schoenoides
Lowell Ahart
1984-8-19
4788
Butte
In an area where gravel is removed, north of the state borrow area, west of Pacific Heights Road, about 5 miles south-west of Oroville.
36
Comment
JEPS124349
Crypsis schoenoides
Lowell Ahart
2015-10-26
20601
Butte
About 1 mile (air) of southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise.
Comment
POM266636
Crypsis vaginiflora
J. C. Roos
1939-7-3
1521
Butte
a few miles southeast of Chico
Comment
UC179503
Cryptantha flaccida
A. A. Heller
1914-4-27
11325
Butte
8 mi n Oroville
Comment
SEINET10497602
Cryptantha hendersonii
Mary Susan Taylor
1981-6-19
Taylor 3964
Butte
T22N R5E ne sec 6. Pulga quad. On serpentine, N side of Feather River Hwy 70, at NW end of Pulga bridge and along Pulga Rd ca. 1/4 mi, ca. 20 mi NE of Oroville. Open & dry weathered reddish serpentine. 1600 ft elev.
488
Comment
POM252793
Cryptantha intermedia
A. A. Heller
1938-5-28
15121
Butte
23 miles from Oroville on the Feather River Highway.
Comment
CHSC37212
Cryptantha milobakeri
L. Ahart
1982-7-28
3712
Butte
On the bottom of the water ditch, ca. 1/8 mi n of Pacific Mine, ca. 5 mi e of La Porte.
1700
Comment
CDA40502
Cryptantha torreyana
T. C. Fuller
1962-7-12
9169 a
Butte
Road to Jonesville, 2 miles east of Butte Meadows.
0
Comment
CHSC43577
Cryptogramma acrostichoides
Vernon Oswald; Lowell Ahart
1987-8-5
3179
Butte
Near Humboldt Peak.
2151
Comment
CAS-BOT-BC85559
Cupressus macnabiana
Clarence R. Quick
1959-8-17
59 -44
Butte
Magalia
Comment
CAS-BOT-BC85569
Cupressus macnabiana
M. S. Taylor
1981-4-8
3503
Butte
Pulga SW quad. Serpentine ridge n of logging landing site just w of power lines off logging [loggine] rd.,
883
Comment
JEPS98274
Cuscuta campestris
Lowell Ahart
2000-9-4
8681
Butte
North 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.
32
Comment
JEPS47093
Cuscuta indecora
W. K. Studley
1910-10-31
4 d
Butte
Chico
Comment
POM76966
Cycladenia humilis
Mrs. R. M. Austin, C. C. Bruce
1898-05
s.n.
Butte
Doc Mill
Comment
CHSC44896
Cycladenia humilis var. humilis
Lowell Ahart
1988-7-31
6142
Butte
On the west side of the dirt road that crosses the West Branch of the Feather River, 2 miles by road northeast of Stirling City.
975
Comment
CHSC45615
Cycladenia humilis var. humilis
L. P. Janeway
1988-6-25
2858
Butte
Along The Skyway 2.4 mi N of Inskip; ridgetop near Bottle Hill.
1554
Comment
CHSC47968
Cycladenia humilis var. humilis
Vernon Oswald
1987-5-21
2919
Butte
Skyway 2.3 mi n of Inskip.
1584
Comment
CHSC2139
Cynodon dactylon
B. Hetherington
1949-5-1
Butte
Chico.
57
Comment
CHSC3573
Cynoglossum grande
Judy Lee Potter
1966-2-26
Butte
Nelson's Bar. West of Paradise.
Comment
SEINET10497513
Cynoglossum grande
Mary Susan Taylor
1976-3-6
Taylor 1011
Butte
Riparian Woodland along Macabe's Creek, ca. 50 ft E of Lumpkin Rd, ca. 1 mi NE of Forbestown Rd, ca. 12 mi E of Orovil le; shaded, wet, cool area.
244
Comment
CHSC11331
Cynosurus echinatus
Lowell Ahart
1969-5-15
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC75976
Cyperus acuminatus
Lowell 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.
32
Comment
CDA13838
Cyperus bipartitus
G. F. Hrusa, T. D. Wilfred
1996-9-5
13566
Butte
Butte Basin; Immed. W of Butte Creek at Western Canal District Dam.
Comment
CHSC97272
Cyperus bipartitus
Lowell Ahart
2007-8-19
14485
Butte
About 2 1/4 miles (air) southeast of Honcut, about 13 miles (air) southeast of Oroville.
49
Comment
CAS-BOT-BC114742
Cyperus difformis
Herbert L. Mason
1945-9-19
12737
Butte
Gray Lodge Game Refuge, NW of Pennington
Comment
CAS-BOT-BC114735
Cyperus difformis
J. M. Tucker
1953-8-28
2680
Butte
In rice plots; Biggs Rice Experiment Station.
Comment
CHSC102815
Cyperus eragrostis
Lowell Ahart
2009-6-19
15950
Butte
About 30 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
CHSC112331
Cyperus eragrostis
Lowell Ahart
2013-7-9
18834
Butte
South side of North Honcut Creek, east of the steel power line, about 2 mile (air) northeast of Honcut, about 13 miles (air) southeast of Oroville.
37
Comment
CHSC68379
Cyperus eragrostis
L. P. Janeway; C. A. Janeway
1986-9-14
1860
Butte
Sycamore Creek at Cohasset Avenue near Eaton Road.
54
Comment
CHSC68384
Cyperus eragrostis
L. P. Janeway
1988-6-29
2905
Butte
Spring where Crouch Ravine fades into Coon Ridge; 1/4 mi south of the Skyway, 2.9 mi east of the Skyway bridge over Butte Creek.
170
Comment
POM111773
Cyperus eragrostis
C. C. Bruce
1897-05
1887
Butte
Little Chico
Comment
CHSC45159
Cyperus erythrorhizos
Lowell Ahart
1974-11-9
675
Butte
Near the edges of our drained rice field, Peter Ahart Ranch, about 2 1/4 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
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
CHSC83084
Cyperus erythrorhizos
Lowell Ahart
2002-10-17
9997
Butte
Bottom of a wash, between the gentle hills below the high water line of Lake Oroville, about 1 1/2 miles south of Highway 162 (Oroville Quincy Highway), about 3 miles (air) northeast of Oroville Dam.
227
Comment
CHSC61068
Cyperus esculentus
Vernon H. Oswald
1993-8-9
5780
Butte
Arroyo Chico. Hwy. 99 offramp at E. 1st Ave. (NW corner), Chico.
64
Comment
JEPS110276
Cyperus flavescens
Lowell Ahart
2006-9-28
13379
Butte
On the 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
CHSC68400
Cyperus niger
L. P. Janeway
1988-6-14
2760
Butte
Gutter of the road to Doe Mill Ridge; low in the northwest side of the canyon of Little Chico Creek about 1 3/4 mi south of Ten Mile House.
228
Comment
CAS-BOT-BC114073
Cyperus squarrosus
Lowell Ahart
1989-5-28
6284
Butte
South of Oregon Gulch Road, ca. 1/2 mi N of the Cementery,
335
Comment
CHSC30386
Cyperus squarrosus
J. D. Jokerst
1980-7-18
993
Butte
Top of North Table Mt., ca. 100 m NW of the jct. of Cherokee Rd. and the E edge of Mt.
Comment
JEPS121963
Cyperus squarrosus
Lowell Ahart
2014-7-7
19576
Butte
North of the bog, Coon Hollow, about 2 miles (air) north of Philbrook Reservoir.
Comment
JEPS94767
Cyperus squarrosus
Lowell Ahart
1998-7-18
8037
Butte
about 7 air mi n of Oroville (about 1/2 mi n of the ione oak tree, about 1/2 mi n of the cow chute along Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road
408
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
UC837509
Cyperus squarrosus
A. A. Heller
1917-7-28
12840
Butte
Butte Meadows
1280
Comment
CAS-BOT-BC114208
Cyperus strigosus
Ira L. Wiggins
1928-9-9
3337
Butte
Sandy Gulch Creek, 3 mi W of Chico.
Comment
UCD169396
Cyperus strigosus
L. P. Janeway
2001-6-13
7168
Butte
Sacramento Valley. On east side of the Sacramento River about 1.8 km southeast of Ord Ferry Road bridge.
29
Comment
CDA38893
Cyperus strigosus
L. Ahart
2000-8-23
8661
Butte
About 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville.
Comment
SEINET10467193
Cyperus strigosus
Mary Susan Taylor
1978-9-8
Taylor 1881 A
Butte
Along flood control slough, ca. 4 mi N of Chico, along Hwy 99.
61
Comment
CHSC37118
Cypripedium fasciculatum
L. Ahart
1982-9-13
3809
Butte
Near Pinkard Creek, ca. 1/8 mi n of Lost Creek Reservoir Dam, ca. 2.2 mi nw of Strawberry Valley.
1100
Comment
SEINET10470084
Cypripedium fasciculatum
Mary Susan Taylor
1981-5-27
Taylor 3803
Butte
T23N R3E ne sec 13, Paradise SE quad. W side of Paradise Lake, ca. half way between Butte Creek entrance to the north and dam to the sough, ca. 50 ft up from lake edge, ca. 3 air mi N of Magalia. Dense Yellow Pine F; 2600 ft.
792
Comment
CHSC42505
Cystopteris fragilis
Lowell Ahart
1987-5-22
5658
Butte
About 1/4 mile south of Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
1280
Comment
JEPS116130
Cystopteris fragilis
Lowell Ahart
2009-5-23
15740
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
UC478560
Cystopteris fragilis
E. B. Copeland
1931-6-10
602
Butte
woods by Butte Creek Jonesville
1550
Comment
POM121176
Cystopteris fragilis
C. C. Bruce
1897-05
1666
Butte
Iron Canyon.
Comment
RSA692783
Cystopteris fragilis
M. M. Boney
1897-1
4215
Butte
Unspecified
Comment
SEINET10535619
Cystopteris fragilis
Mary Susan Taylor
1980-2-17
Taylor 2365
Butte
T20N R6E ne sec 5. Along a creek at an old mine site, in Yellow Pine Forest, ca. 0.5 mi SW of Lower Forbestown Road, ca. 3 mi W of Forbestown.
396
Comment
SEINET11716735
Cystopteris fragilis
M. S. Taylor, Jokerst, J. D.; Ahart, L.
1980-1
3203
Butte
Humboldt Peak
2155
Comment
UC1100156
Damasonium californicum
Herbert L. Mason
1927-5-9
3705
Butte
15 mi. w. Oroville; Sacramento Valley
Comment
CAS-BOT-BC189895
Danthonia californica
Lowell Ahart
1980-5-17
2288
Butte
0.5 mile southeast of Hurleton.
600
Comment
CHSC43128
Danthonia californica var. americana
Robert Banchero
1981-7-19
610
Butte
Ca 0.6 mi e of Balt Mt look-out tower, on Keyser Creek.
1682
Comment
HSC100744
Danthonia californica var. americana
Lowell Ahart
2010-9-21
17230
Butte
N side of a poor dirt road, 1 (air) mi. NE of Jones Meadow, 2.5 (air) mi. SE of Philbrook Reservoir.
1900
Comment
CAS-BOT-BC194412
Danthonia intermedia
V. Oswald; L. Ahart
1988-7-26
3615
Butte
Snow Mt. region located ca. 6 air mi SE of Jonesville.
1996
Comment
CHSC6024
Daphne odora
M. MacArthur
1968-6-19
263
Butte
SE side of Auditorium bld., Chico State College.
60
Comment
CHSC44830
Darmera peltata
Steven Triano
1987-4-19
45
Butte
Ca. 0.3 mi e of Hwy 32, ca. 22 mi nne of Chico, growing among rocks in the West Branch Butte Creek.
853
Comment
CAS-BOT-BC10106
Delphinium hesperium subsp. pallescens
Mrs. H. C. Cantelow
1940-5-10
4255
Butte
8.5 mi. SW of Oroville along Hwy. 24
Comment
CAS-BOT-BC9920
Delphinium nudicaule
Helen M. Edwards
1917-6-1
s.n.
Butte
De Sabla
Comment
CHSC1449
Delphinium nudicaule
D. Sloan; L. Oliver
1935-2-23
Butte
Salmon Hole in Chico Creek.
152
Comment Read comments May 10 2007
SEINET10536044
Delphinium nudicaule
Mary Susan Taylor
1973-1
Taylor 20
Butte
Along Cohasset Road leading from Chico.
Comment
CHSC40058
Delphinium variegatum
H. E. Brown
1897-5-1
160 1/2
Butte
Collected near Clear Creek.
53
Comment
CAS-BOT-BC82880
Dendromecon rigida
Lowell Ahart
1983-6-30
4188
Butte
About 3 miles southeast of Stirling City, on the west side of the West Branch of the Feather River.
1100
Comment
CHSC10711
Dendromecon rigida
Lowell Ahart
1970-5-19
Butte
Near Stirling City.
914
Comment
UC726213
Dendromecon rigida
A. A. Heller
1938-6-14
15150
Butte
along the Feather River Hwy about 1 mi w Jarboe Pass (about 20 mi from Oroville)
609
Comment
SEINET10448605
Dentaria pachystigma var. dissectifolia
Mary Susan Taylor
1981-3-31
Taylor 3452
Butte
T22N R4E nw sec 14 PUlga SW quad. SE side of spur rd, ca. 3/4 mi n of its jct with Ponderosa Way (Rim Rd), ca. 2 mi n of its jct with Hwy 70 at Jarbo Gap, ca. 17 air mi n of Oroville; 2700 ft.
823
Comment
SEINET10448606
Dentaria pachystigma var. dissectifolia
Mary Susan Taylor
1975-5-9
Taylor 570
Butte
Abundant in serpentine area, ca. 50 ft E of the Skyway, ca. 1/4 mi N of DeSabla turnoff, Magalia; with Arctostaphylos sp.
732
Comment
CHSC11981
Deschampsia cespitosa
E. B. Copeland
1931-7-15
605
Butte
Jonesville. Border of 'Lily Pond'.
1750
Comment
UC203666
Deschampsia danthonioides
A. A. Heller
1914-5-13
11399
Butte
along rd. between Dry Creek and Gridley (and near Nelson)
Comment
UCD80540
Deschampsia danthonioides
CNPS SN Foothill Team
2005-3-31
SNFN 0073 c
Butte
CDFG North Table Mountain Wildlife Area, in the North Table Mountain complex, in the middle and eastern portion of the southern-most table.
310
Comment
SEINET11683958
Deschampsia danthonioides
R. Banchero, Banchero, M.
1979-1
18
Butte
ca 0.5 mi N of Pine Creek, NW of Singer Creek, 7 mi NW of Nord on Cana-Pine Creek Rd
56
Comment
SEINET11687271
Deschampsia elongata
L. Ahart, Ahart, P.
1984-1
4700
Butte
about 2 mi SW of Forbestown Diversion Dam, NE of Forbestown
700
Comment
CHSC39046
Dianthus armeria
Lowell Ahart
1983-6-21
4065
Butte
About 15 mi ne of Oroville, just off of Bloomer Hill Road about 0.5 mi w of the Oroville-Quincy Highway. Along a poor road, near a branch of Canyon Creek.
400
Comment
CHSC101748
Dianthus armeria subsp. armeria
Lowell Ahart
2009-5-23
15744
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 Highwat 32, about 10 miles northeast of Chico.
203
Comment
CHSC76943
Dicentra formosa
Ida Ryan
1893-5-1
Butte
Big Chico Creek.
Comment
UC120094
Dicentra formosa
Mrs. R. M. Austin
1896-1
230
Butte
Colby
Comment
UC175320
Dicentra formosa
A. A. Heller
1913-6-7
10831
Butte
near Stirling; West Branch of the North Fork of Feather River
914
Comment
CHSC116960
Dichelostemma capitatum
Matthew Forster
2013-3-5
Butte
Found along 14 Mile House Rd.
472
Comment
CAS-BOT-BC500066
Dichelostemma capitatum
Mrs. J. H. Morrison
1932-5-8
s.n.
Butte
Durham
Comment
CHSC90588
Dichelostemma capitatum subsp. capitatum
L. Orme
1980-3-20
7
Butte
Clark Road, 3.2 km. S. of Paradise. Found on hillside.
370
Comment
RSA333580
Dichelostemma capitatum subsp. capitatum
Craig Martz, Richard F. Sannar
1982-3-16
31
Butte
Along State Route 70, 1 mile N of intersection with Palermo Road, S of Oroville.
150
Comment
UCD80430
Dichelostemma multiflorum
CNPS SN Foothill Team
2006-5-25
SNNR 0958
Butte
Horning Ranch, private.
189
Comment
CAS-BOT-BC501086
Dichelostemma multiflorum
A. A. Heller
1914-5-19
11421
Butte
8 miles north of Oroville near Table Mountain
Comment
RSA339162
Dichelostemma multiflorum
Margaret J. Williams, Wayne Roderick
1984-5-25
84- 22 -4
Butte
Magalia, near Skyline road to Paradise
168
Comment
CHSC101770
Dichelostemma volubile
Lowell Ahart
2009-4-26
15625
Butte
South of a small drainage, about 120 yards southwest 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.
286
Comment
CHSC44434
Dichelostemma volubile
Lowell Ahart
1988-5-30
6017
Butte
Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
277
Comment
SEINET10905136
Dichelostemma volubile
Mary Susan Taylor
1986-5-6
Taylor 5614
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
SEINET12051034
Dichelostemma volubile
S. A. Carter
1988-1
s.n.
Butte
S side of Little Butte Creek, ca 8.8 mi ESE of Chico, ca 100 ft W of Honey Run Rd
160
Comment
CHSC38808
Digitaria ischaemum
Vernon Oswald
1983-9-17
1040
Butte
Upper Bidwell Park, Chico, near Chico Creek ca. 0.2 mi e of the end of the pavement.
91
Comment
CHSC108136
Digitaria sanguinalis
Lowell Ahart
2011-10-29
17728
Butte
On the bare sides of a ditch, on the south side of Biggs Princeton Road, about 500 yards west of Riceton Highway, about 1 mile northwest of Biggs.
27
Comment
JEPS95157
Digitaria sanguinalis
Lowell Ahart
1997-10-24
7938
Butte
about 1/4 mi w of Ponderosa Dam (about 20 yards n of the South Fork of the Feather River and on w side of Sucker Creek, strand of Lake Oroville); Sucker Creek
274
Comment
SEINET13711412
Digitaria sanguinalis
Lowell William Ahart, Lowell William Ahart
1999-1
8154
Butte
12 Air Mi SW of Chico, 2 Mi SE of Ordbend, Sacramento River
Comment
SEINET8225565
Diplacus grandiflorus
Helen M. Edwards
1917-6-6
Butte
Ile Sabla.
Comment
CAS-BOT-BC153216
Diplacus kelloggii
A. A. Heller
1914-5-8
11374
Butte
About the Clear Creek-Paradise grade
Comment
SEINET13700565
Diplacus kelloggii
M. J. Williams
1967-4-22
s.n.
Butte
Road from Oroville to Feather Falls.
244
Comment
CHSC43154
Diplacus layneae
R. A. Schlising; D. Ikeda
1980-5-31
3608
Butte
Cohasset Ridge, S of village of Cohasset, along firetrail above Cohasset Hwy.
Comment
CHSC78271
Diplacus layneae
Lowell Ahart
2000-6-27
8510
Butte
Big Bald Rock, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville.
993
Comment
CHSC44815
Diplacus torreyi
R. Banchero
1980-6-12
209
Butte
Along Hwy 32 ca 2.4 mi S of its jct with Humbolt Rd, 10.2 mi N of the town of Forest Ranch.
1103
Comment
SD7102
Diplacus torreyi
Daniel Cleveland
July 1882
Butte
Sutton House
Comment
CHSC1802
Diplacus tricolor
R. Carter
1965-3-30
175
Butte
Found on Whurlitzer Ranch NW of Chico. 50 yards inside of gate.
60
Comment
CAS-BOT-BC154166
Diplacus tricolor
Lowell Ahart
1982-5-12
3433
Butte
Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut
50
Comment
JEPS108156
Disporum hookeri
L. P. Janeway
1994-7-19
4695
Butte
Northern High Sierra Nevada. Northeast side of Watson Ridge, about 0.5 mi south of South Branch Middle Fork Feather River, 1.6 mi east of Pompys Point
1249
Comment
CHSC83438
Dodecatheon alpinum
L. P. Janeway
2002-5-26
7562
Butte
High Cascade Range. Soggy sedge-dominated meadow below the head of Keyser Creek and just below the dirt road; 0.5 km east of Bald Mountain Lookout.
1695
Comment
POM76693
Dodecatheon clevelandii subsp. patulum
C. C. Bruce
1897-02
2098
Butte
Little Chico.
Comment
UC640447
Dodecatheon clevelandii subsp. patulum
Elmer I. Applegate
1927-3-4
5000
Butte
about ten mi n Chico; n of Chico
Comment
CHSC31869
Dopatrium junceum
L. Ahart
1974-7-20
555
Butte
Peter Ahart Ranch, Honcut.
45
Comment
SEINET7073007
Downingia bacigalupii
A. G. Vestal
1963-5-31
s.n.
Butte
About 8.2 miles north-northwest of Oroville on Route 149. UTM Zone 10, 614599mE, 4384406mN. Coordinate datum: NAD27.
Comment
SEINET8039316
Downingia bella
B. Ertter, J. L. Strachan, L. Ahart
1980-5-7
3291
Butte
Peter Ahart Ranch, ca 2-1/2 miles NNE of Honcut between Oroville and Marysville.
30
Comment
POM59018
Downingia bicornuta
A. A. Heller, H. E. Brown
1902-5-3
5448
Butte
Near Nelson
Comment
RSA389175
Downingia bicornuta
C. B. Wolf
1937-5-14
8673
Butte
Sacramento Valley; 5 miles W of Chico on Hamilton City Road.
Comment
CHSC112932
Downingia bicornuta var. bicornuta
B. Castro; Sabrina Bell
2012-5-23
1922
Butte
Sacramento Valley. Ca 1.6 air mi E of Hwy 99 and1 mi N of Hwy 162E off NE edge of Thermallito Afterbay, 0.5 mi WNW old 'Oroville Jen' on maps, now jcn of Tres Vias and Wilbur Roads. Elevation 139-144 ft.
43
Comment
UC196262
Downingia bicornuta var. bicornuta
A. A. Heller
1914-4-24
11316
Butte
5 mi from Chico (Chico-Oroville road)
Comment
CHSC181
Downingia insignis
V. Holt
1935-5-15
Butte
Oroville road.
76
Comment
CDA42327
Downingia insignis
Vernon H. Oswald & Lowell Ahart
1998-6-11
9217
Butte
Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi. north of Macdoel.
Comment
SEINET260310
Downingia ornatissima
Lowell Ahart
1984-5-12
4602
Butte
Peter Ahart Ranch ca. 2.5 mi NE of Honcut ca. 12 mi S of Oroville. Valley Grassland
50
Comment
CHSC27490
Downingia pulchella
M. S. Jaeckel
1974-4-23
34
Butte
Found locally in muddy places and vernal pools, Chico.
Comment
CAS-BOT-BC41351
Draba verna
Lowell Ahart
1990-3-19
6424
Butte
About 3.5 miles southwest of Oroville. Along the south side of Pacific Heights Road.
36
Comment
CHSC35016
Draba verna var. verna
R. E. Preston
1982-3-20
193
Butte
Roadside, Hwy 70 at Bear Ranch Creek; ca. 22 mi nne of Oroville.
457
Comment
SFV11589
Draperia systyla
M. L. Vincent
1968-6-10
838
Butte
Sierra Nevada 1.2 miles south from Cresta Power House sign, North Fork Feather River.
460
Comment
UCD124001
Drosera X obovata
Barry Rice
2011-8-21
BR 110812
Butte
Mallory Meadow.
1350
Comment
CHSC46489
Drosera rotundifolia
Lowell Ahart
1984-7-19
4756
Butte
About 1/2 mile east of Bald Mountain, about 5 air ... Field redacted by CHSC, contact the data manager for more information
1615
Comment
CHSC96314
Drosera rotundifolia
L. P. Janeway
2006-8-12
8850
Butte
Northern High Sierra Nevada. Large soggy meadow o ... Field redacted by CHSC, contact the data manager for more information
1681
Comment
CAS-BOT-BC70852
Dryopteris arguta
Lowell Ahart
1987-7-3
5751
Butte
along the edge of Poe Power House Road, about 1 mile northwest, about 1 mile southeast of Jarbo Gap
487
Comment
CHSC29001
Dryopteris arguta
M. S. Taylor
1980-3-8
2376
Butte
Pulga community, ca. 1 mi ne of Hwy 70, ca. 28 mi ne of Oroville.
487
Comment
CHSC70826
Dryopteris arguta
Vernon Oswald
1998-4-12
8904
Butte
Upper Bidwell Park (new addition), Pine Trail between the trailhead on Hwy. 32 opposite Santos Rd. (between Chico and Forest Ranch) and South Rim Trail.
396
Comment
CHSC90008
Dryopteris arguta
Charles Crannell
1991-4-23
20
Butte
50 ft south of where Honey Run Road crosses Butte Creek. In gully.
103
Comment
JEPS116137
Dryopteris arguta
Lowell Ahart
2009-8-20
16288
Butte
Below the rim, along a small drainage, west of the Guardian Rock Trail, about 30 yards northwest of Pine Trail, about 3/8 mile (air) southwest of the intersection of Ten Mile House Road and Highway 32, Upper Bidwell Park, about 10 miles northeast of Chico
398
Comment
CHSC65166
Dysphania ambrosioides
Lowell Ahart
1995-8-19
7616
Butte
East side of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 12 miles south-east of Oroville.
36
Comment
JEPS128762
Dysphania ambrosioides
Lowell Ahart
2016-10-12
21372
Butte
Dave Daley Ranch, about one-mile northeast of Honcut, about 12 miles south Oroville.
Comment
CHSC76050
Dysphania botrys
G. F. Hrusa; T. D. Wilfred
1996-7-8
13082
Butte
In full sun at old gun range. Old Railroad Grade Rd. nr. Paradise Lake Dam, approx. 3 m. N of Magalia. [Original Lat./Long. on label is '39 51 N; 121 34 W'].
800
Comment
JEPS124156
Dysphania botrys
Lowell Ahart
2015-11-7
20617 -A
Butte
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.
Comment
CHSC113116
Dysphania pumilio
Lowell Ahart
2013-11-18
19272
Butte
Below the high water line of Lake Oroville, about 200 yards east of the boat ramp at the end of Stringtown Road, about 2 1/2 miles (air) northeast of Hurleton.
267
Comment
CHSC49539
Echinochloa colona
Vernon Oswald
1987-8-13
3212
Butte
Portion of Rancho Bosquejo. Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River. On the edge of a bean field.
48
Comment
CHSC116150
Echinochloa crus-galli
Lowell Ahart
2015-10-26
20602
Butte
Strand of Lake Oroville, on west side of West Branch of Feather River, about 1mile (air) southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise.
207
Comment
SEINET10564167
Echinochloa crus-galli
H. E. Brown
1896-10-2
Brown 114
Butte
Collected Near Oroville,
52
Comment
SEINET10509298
Echinochloa crus-galli var. frumentacea
Lowell Ahart
1984-9-17
Ahart 4791 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
JEPS76252
Echinochloa muricata
W. L. Jepson
1939-8-17
19464
Butte
Feather River Bottom near Oroville; Feather River bottom
45
Comment
SEINET10561343
Echinochloa muricata
A. Arthur Heller
1914-5-19
Heller 11418
Butte
Hills 8 miles north of Oroville.
Comment
HSC95564
Eclipta prostrata
L. Ahart
1999-9-21
8268
Butte
Along the E side of the Sacramento River, NW of Parrot Landing, about 1 mi. SE of Ord Ferry, about 2 mi. SE of Ordbend, about 12 air mi. SW of Chico
32
Comment
CHSC111506
Elatine
Lowell Ahart
2014-4-17
19379
Butte
On dry black clay soil, bottom of a rice field, about 20 yards north of Faris Road, about 400 yards west of the grain bins, east of the deep ditch, about 2 1/4 miles southwest of Biggs. Agricultural.
24
Comment
CHSC112606
Elatine ambigua
Lowell Ahart
2013-9-20
19061
Butte
Along a ditch, about 100 yards west of the railroad, about 400 yards south of the Rice Experiment Station buildings, about 2 miles southeast of Richvale.
30
Comment
CHSC78831
Elatine ambigua
Lowell Ahart
2000-10-19
8710
Butte
Fallow rice field, on the north side of Lower Honcut Road, west of Wyandotte Creek, about 150 yards west of the railroad, 1 1/2 miles west of Honcut, about 13 miles south of Oroville.
26
Comment
JEPS104282
Elatine ambigua
Lowell Ahart
2003-6-23
10299
Butte
On the bottom of a wash, Peter Ahart Ranch, ca 100 yd e of Palermo Honcut Highway, ca 2 1/4 mi n of Honcut, ca 12 mi south of Oroville.
30
Comment
JEPS122151
Elatine californica
Lowell Ahart
2014-4-30
19420
Butte
About 50 yards south of the Lower Honcut Road, about 50 yards west of the Railroad, about 1 3/4 miles (air) southeast of Honcut.
Comment
JEPS124216
Elatine californica
Lowell Ahart
2015-3-26
19965
Butte
About 1/8 mile south Rutherford Road, Gray Lodge Wildlife Area, about 7 miles (air) southwest of Gridley.
Comment
SEINET10447966
Elatine heterandra
Lowell Ahart
1984-5-8
Ahart 44596
Butte
T17N R4E. Ca. 2.5 mi N and 1.4 mi E of Honcut, ca. 12 mi S of Oroville. Valley Grassland; 40 m.
40
Comment
CHSC36955
Elatine rubella
M. S. Taylor; Lowell Ahart, J. Jokerst
1982-4-28
4356
Butte
Graylodge Wildlife Refuge, n side of Rutherford Rd, ca. 1/2 mi w of its jct with Pennington Rd, ca 12 mi sw of Gridley.
21
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
SEINET10447970
Elatine rubella
Mary Susan Taylor
1982-4-28
Taylor 4356
Butte
T17N R1E se/sw sec 13. Pennington qud. Graylodge Wildlife Refuge, n side of Rutherford Rd, ca. 1/2 mi w ofits jct with Pennington Rd, ca. 12 mi sw of Gridley. 70 ft.
21
Comment
CDA38956
Eleocharis acicularis var. acicularis
L. Ahart
2000-5-11
8338
Butte
Along a small wash, about 100 yards south of a dirt road, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville.
Comment
CAS-BOT-BC113640
Eleocharis acicularis var. occidentalis
Lowell Ahart
1980-5-10
2225
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC43788
Eleocharis bella
Vernon Oswald
1987-5-25
2924
Butte
Butte Creek Reserve on the se side of Butte Creek ne of Hwy 99, downstream from the dam for the Durham Mutual Ditch.
68
Comment
CHSC46463
Eleocharis bella
V. Oswald; L. Ahart
1989-6-27
3829
Butte
Humbug Rd at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. Meadow along Butte Creek.
1767
Comment
CAS-BOT-BC113458
Eleocharis bella
A. A. Heller
1963-7-16
63 52 b
Butte
Headwaters of Chico creek in Chico meadows.
1219
Comment
CHSC78298
Eleocharis bolanderi
Lowell Ahart
2000-6-29
8541
Butte
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
CHSC78192
Eleocharis engelmannii
Lowell Ahart
2000-6-4
8445
Butte
In the small meadow south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles (air) southwest of Forbestown.
731
Comment
CHSC96902
Eleocharis engelmannii
Lowell Ahart
2006-7-27
14395
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
JEPS113682
Eleocharis engelmannii
Lowell Ahart
2007-7-27
14395
Butte
S strand of the Thermalito Afterbay, about 200 yds N of Hwy 162, about 5 mi W of the intersection of Hwy 162 and Hwy 70, about 5 1/2 mi (air) W of Oroville
36
Comment
SEINET197463
Eleocharis engelmannii
J. M. Tucker
1953-8-28
2677
Butte
Biggs Rice Experiment Station.
Comment
UCD49747
Eleocharis macrostachya
E. B. Copeland
1931-7-15
613
Butte
Jonesville, Butte County. In and beside the 'Lily Pond,' a permanent pool, warm in summer.
1750
Comment
SEINET10466725
Eleocharis macrostachya
John Thomas Howell
1959-9-20
Howell 34660
Butte
Lower foothills, estern outskirts of Oroville. Plants of the Sierra Neveda.
Comment
RSA695401
Eleocharis obtusa var. engelmannii
L. Ahart
2003-6-23
10302
Butte
Peter Ahart Ranch, about 300 yards east of Palermo Honcut Highway, about 2 1/8 miles north of Honcut, about 12 miles south of Oroville
30
Comment
JEPS98504
Eleocharis obtusa var. obtusa
Lowell Ahart
2000-9-4
8685
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.
32
Comment
CAS-BOT-BC113212
Eleocharis parishii
Holm
1903-5-30
3280
Butte
Chico
Comment
CHSC78566
Eleocharis parishii
Lowell Ahart
2000-9-4
8682
Butte
North 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.
32
Comment
CAS-BOT-BC112656
Eleocharis quadrangulata
V. Oswald
1988-6-8
3361
Butte
SE end of the large pond in the Oroville Wildlife Area on the W side of the Feather River,
32
Comment
CHSC31670
Eleocharis quinqueflora
L. Ahart
1973-5-24
229
Butte
Along a small wash. Peter Ahart Ranch, Honcut.
45
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
CDA38987
Eleocharis quinqueflora
L. Ahart
2000-5-28
8408
Butte
On the north margin of a large wash, 200 yards east of the road crossing, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
Comment
SEINET13710950
Eleocharis quinqueflora
Lowell William Ahart, Lowell William Ahart
2000-1
8555
Butte
5 Air Mi. NE of Feather Falls (T21N, R7E, sec 27, NW 1/4) 3400 Ft.
1036
Comment
SEINET3441887
Eleocharis quinqueflora
Unknown
2000-7-7
8555
Butte
Dallas, Dallas, about 8 miles east, Sunnydale, about 4.5 miles south of highway 635, Tain east Boulevard
1030
Comment
SEINET9084534
Eleocharis radicans
L. Ahart
2000-9-4
8686
Butte
E side of the Sacramento River, NW of Parrott Landing, ca 1 mile SE of Ord Ferry, ca 2 miles SE of Ordbend, ca 12 air miles SW of Chico.
32
Comment
CHSC109751
Eleusine indica
Lowell Ahart
2012-10-28
18532
Butte
South of Table 34, west of Cedar Grove, Lower Bidwell Park, Chico.
68
Comment
JEPS102306
Elodea canadensis
Lowell Ahart
2001-7-6
8883
Butte
12 mi SE of Chico (small pond W of a lg. pond, lg. overflow area on E side of Sacramento River, NW of Parrott Landing, 1 mi SE of Ord Ferry, 2 mi SE of Ord bend[sic])
32
Comment
UCD61510
Elymus elymoides
L. E. Hazeltine
1916-7-16
s.n.
Butte
Appleton.
Comment
CHSC46230
Elymus glaucus
Pauleen Broyles
1987-6-26
1065
Butte
Ca 1 air mile n.e. of Inskip. On a gravel bar in West Branch of North Fork of Feather River, ca 90 m. above road-crossing bridge.
1400
Comment
POM183178
Elymus glaucus
H. F. Copeland
1930-7-21
1341
Butte
Jonesville.
1524
Comment
CAS-BOT-BC203426
Elymus glaucus subsp. glaucus
A. A. Heller
1914-7-23
11614
Butte
Chico Meadows
1219
Comment
JEPS94308
Elymus glaucus subsp. glaucus
Lowell Ahart
1997-8-1
7783
Butte
about 8 air mi ne of Stirling City (near some small streamlets of Little Kimshew Creek, in Snow Meadow, about 1/4 mi e of Table Mountain); Snow Meadow
1524
Comment
RSA786286
Elymus multisetus
P. Reisentz
1979-5-13
s.n.
Butte
On State Highway 70, 9 miles south of Butte- Plumas County Line
Comment
CHSC44172
Elytrigia elongata
V. Oswald; L. Ahart
1988-7-29
3634
Butte
Ca. 3 mi (air) se of Jonesville on Humbug Rd, ca. 0.3 mi w of Butte Creek House at the logging road southward to Summit Lake and Snow Mtn. Roadside.
1755
Comment
CHSC38779
Elytrigia pontica subsp. pontica
Vernon Oswald
1983-6-20
723
Butte
Upper Bidwell Park, Chico, ca. 200 ft s of Upper Park Rd. and 1200 ft e of Parking Area N at Salmon Hole.
182
Comment
UCR219264
Epilobium brachycarpum
George K. Helmkamp, E. A. Helmkamp
2009-9-5
15589
Butte
Sacramento Valley, Lower Honcut Road, 0.9 rd. mi. west of Honcut, 7.8 mi. SE (111 deg. ) of Gridley
34
Comment
CHSC117433
Epilobium campestre
Lowell Ahart
2016-5-31
20906
Butte
On the sides of a deep wash, about 1/8 mile east of Palermo Honcut Highway, Peter Ahart Ranch, about 2 1/4 miles north and 1/8 east of Honcut, about 12 miles (air) south of Oroville.
29
Comment
CHSC42112
Epilobium campestre
Lowell Ahart
1986-11-9
5454
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
CHSC38570
Epilobium ciliatum subsp. ciliatum
Vernon Oswald
1983-6-14
679
Butte
Upper Bidwell Park, Chico, near Diversion Dam Parking Area L. On seeps both n and s of the road.
134
Comment
JEPS108972
Epilobium ciliatum subsp. glandulosum
Lowell Ahart
2006-9-11
13287
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
POM183924
Epilobium ciliatum subsp. glandulosum
H. F. Copeland
1932-8-19
s.n.
Butte
Jonesville; beside Butte Creek, near the source
1800
Comment
CHSC31883
Epilobium cleistogamum
L. Ahart
1978-6-8
1773
Butte
Bottom of vernal pools and swales. Peter Ahart Ranch, Honcut.
50
Comment
CHSC60115
Epilobium cleistogamum
B. Castro; L. P. Janeway
1992-5-16
455
Butte
In bottoms of vernal pools and drainage channels SE of Neal Road.
54
Comment
CHSC46642
Epilobium densiflorum
Lowell Ahart
1989-7-4
6361
Butte
Mined over area south of Oregon Gulch Road, about 1/4 mile north-west of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville.
335
Comment
UC600548
Epilobium glaberrimum subsp. glaberrimum
H. F. Copeland
1932-8-7
Butte
Butte Creek Jonesville
1500
Comment
UC873375
Epilobium glaberrimum subsp. glaberrimum
A. A. Heller
1914-7-23
11601
Butte
Chico meadows
1219
Comment
POM184018
Epilobium lactiflorum
H. F. Copeland
1932-08
s.n.
Butte
Butte County: In Springs near Crest of ridge SE of the head of Butte Creek.
2000
Comment
CHSC24765
Epilobium minutum
P. J. Welch
1976-4-12
19
Butte
Ca. 1 to 2 yds n of Crown Pt. Rd. and ca. 0.3 mi e of Crown Pt. Rd. intersection with Deer Crek Hwy. (Hwy. 32); 10.1 mi ene of Chico.
304
Comment
CHSC34715
Epilobium minutum
M. S. Taylor
1981-5-21
3773
Butte
S side of Concow Rd, ca. 1/2 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville.
853
Comment
CHSC42361
Epilobium minutum
Lowell Ahart
1987-5-6
5530
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
UC873441
Epilobium minutum
A. A. Heller
1914-6-22
11503
Butte
edge of forest about Chico Meadows
1219
Comment
RSA126006
Epilobium minutum
E. K. Balls
1957-5-22
22512
Butte
N. fork Feather River, above Camp Rogers, on trail to Buck s Lake.
655
Comment
CHSC64199
Epilobium oregonense
S. C. Morey
1983-8-3
698
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows.
1292
Comment
CHSC36555
Epilobium pygmaeum
L. Ahart
1982-7-10
3669
Butte
Ca. 1/4 mi se of Headquarters, Graylodge Wildlife Refuge, ca. 12 mi w of Gridley. In a duck pond.
35
Comment
CHSC101835
Epilobium torreyi
Lowell Ahart
2009-5-23
15755
Butte
Upper Bidwell Park, about 10 miles northeast of Chico, about 1/4 mile west of the interection of Highway 32 and Ten Mile House Road, on east side of Ten Mile House Road, just northeast of Guardians Trail.
381
Comment
CHSC113442
Epilobium torreyi
Lowell Ahart
2014-7-10
19621
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1664
Comment
CHSC29658
Epilobium torreyi
J. D. Jokerst
1980-5-28
794
Butte
Top of North Table Mt., S of Cherokee Rd. In vernal pools.
403
Comment
CHSC11940
Equisetum arvense
E. B. Copeland
1930-6-28
402
Butte
Jonesville.
1500
Comment
RSA4627
Equisetum arvense
E. B. Copeland
1930-6-28
402
Butte
Jonesville.
1500
Comment
UC600576
Equisetum arvense
H. F. Copeland
1927-5-6
225
Butte
Jonesville
Comment
CHSC24862
Equisetum hyemale
E. Rilla
1976-4-4
9
Butte
Ca. 100 yds w of Butte Creek, ca. 3 ft w of Old Humboldt Rd, ca. 2 mi e of Butte Meadows.
1463
Comment
CHSC30729
Equisetum laevigatum
M. S. Taylor; R. Schlising
1980-7-6
3081
Butte
On w side of Hwy 32, ca. 0.3 mi s of Soda Springs Campground.
1127
Comment
CHSC87800
Equisetum laevigatum
Paul Maslin
2004-4-15
17
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). UTM: 10610629E 4414004N. On edge of Big Chico Creek.
274
Comment
UC1586568
Equisetum laevigatum
Lowell Ahart
1991-6-22
6663
Butte
near Lake Oroville (w of Springtown Rd.)
304
Comment
CHSC45212
Eragrostis cilianensis
Lowell Ahart
1984-10-5
4813
Butte
In pasture fields, Peter Ahart Ranch, about 1 1/2 miles north and 1 3/4 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
CHSC97293
Eragrostis cilianensis
Lowell Ahart
2007-8-19
14490
Butte
About 2 1/4 miles (air) southeast of Honcut, about 13 miles (air) southeast of Oroville.
49
Comment
JEPS122250
Eragrostis hypnoides
Lowell Ahart
2014-9-23
19876
Butte
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.
Comment
CHSC49242
Eragrostis mexicana subsp. virescens
Vernon Oswald
1988-8-8
3686
Butte
Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. In irrigation ditch bordering Nelson Rd.
47
Comment
SEINET10954137
Eragrostis mexicana subsp. virescens
Lowell Ahart
1999-10-28
Ahart 8306
Butte
T20N, R1W, Section not surveyed. Large disturbed area along the east side of the Sacramento River, northwest of Parrott Landing, aout 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
CHSC75985
Eragrostis pectinacea var. pectinacea
Lowell Ahart; Vernon H. Oswald
1999-8-13
8152
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
SEINET10555837
Eragrostis pilosa
Mary Susan Taylor
1975-10-3
Taylor 941
Butte
Ca. 1/4 mile N of the Washout, between River Road and the Scaramento River, ca. 10 mi W of Chico.
37
Comment
CAS-BOT-BC278512
Eragrostis pilosa var. pilosa
John Thomas Howell
1959-9-20
34675
Butte
Eastern outskirts of Oroville
60
Comment
CAS-BOT-BC174176
Eremogone cliftonii
M. S. Taylor
1981-5-21
3793
Butte
N side of Mayaro Rd, ca. 0.5 mi n of Mayaro, ca. 2 mi n of Pulga on Feather River Hwy 70
609
Comment
CAS-BOT-BC181702
Eremogone kingii var. glabrescens
Lowell Ahart
1986-7-2
5344
Butte
About 2 miles north-east of Bald Mountain, south of Jones Meadow, about 6 1/2 miles north-east of Stirling City
1767
Comment
OBI5721
Ericameria bloomeri
H. F. Copeland
1928-8-29
383
Butte
Neighborhood of Jonesville; summit of Humboldt rd
2134
Comment
UC1609016
Ericameria bloomeri
Lowell Ahart
1993-9-8
7170
Butte
ridge top about 1 mi e Snow Mountain
2103
Comment
SEINET10473505
Erigeron
Mary Susan Taylor
1981-5-21
Taylor 3788
Butte
In Mayaro, along creek, ca. 2 mi NE of Pulga on Feather River Hwy 70.
1600
Comment
CHSC97735
Erigeron bonariensis
Lowell Ahart
2007-11-3
14574
Butte
Below the high water line of Lake Oroville, about 1/2 mile east of the Power House below Kunckle Reservoir, about 3/4 mile north of the Lime Saddle Campground, about 5 1/4 miles (air) southeast of Paradise.
257
Comment
CDA43083
Erigeron canadensis
L. P. Janeway
2011-10-2
10782
Butte
Sacramento Valley.; South end of Chico; along west side of Hwy 99 0.6 km south of Skyway/East Park Ave and 0.3 km south of Comanche Creek.
Comment
CAS-BOT-BC300686
Erigeron glacialis var. glacialis
V. Oswald; L. Ahart
1988-7-26
3622
Butte
Snow Mt. region located ca. 6 air mi se of Jonesville
1996
Comment
CHSC50792
Erigeron petrophilus var. sierrensis
Vernon Oswald; Lowell Ahart
1990-7-31
4414
Butte
Jeep Trail between Concow Rd and Rim Rd, ca. 2 mi northeast of Concow.
902
Comment
CHSC100522
Erigeron sumatrensis
Lowell Ahart
2008-11-4
15397
Butte
Below the high water line of Lake Oroville, about one mile southeast of the large parking area on the north end of Oroville Dam, about 5 miles (air) northeast of Oroville.
263
Comment
CHSC38341
Erigeron sumatrensis
Vernon Oswald
1983-9-10
1039
Butte
Upper Bidwell Park, Chico, near the streamlet just west of the parking lot at Diversion Dam.
121
Comment
RSA0037008
Eriochloa acuminata var. acuminata
Lowell A. Ahart
2013-10-12
19108
Butte
On the east side of Palermo Honcut Highway, about 20 yards south of Palermo Road, Palermo.
51
Comment
CHSC35968
Eriodictyon californicum
M. S. Taylor
1982-5-23
4514
Butte
Scattered on n side of Hwy 70, e side of Arch Rock Tunnel, ca. 1/2 mi sw of Butte-Plumas county line.
487
Comment
CAS-BOT-BC259399
Eriogonum luteolum
A. A. Heller
1916-9-5
12646
Butte
Hills 8 miles north of Oroville
Comment
SEINET7545219
Eriogonum marifolium
E. B. Copeland
1930-1
410
Butte
Above Jonesville
610
Comment
CAS-BOT-BC261716
Eriogonum nudum var. oblongifolium
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CHSC42028
Eriogonum nudum var. pubiflorum
Lowell Ahart
1986-8-15
5391
Butte
East of the dirt road, along a branch of Last Chance Creek, about 1 mile west of Bald Mountain, about 4 1/2 miles north-east of Stirling City.
1371
Comment
CHSC39088
Eriogonum spergulinum var. reddingianum
R. A. Schlising; R. Banchero
1980-7-28
3931
Butte
E of Jonesville in N part of county, on road to Scotts John Creek.
1889
Comment
CHSC112071
Eriogonum umbellatum var. ahartii
L. P. Janeway
2014-8-13
11570
Butte
Northern High Sierra Nevada. Plumas National Forest; 'Magalia Serpentine' (McNab Cypress proposed Special Interest Area); about 2/3 of the way down the steep slope between Coutolenc Road and West Branch Feather River (and the diversion dam).
540
Comment
RSA0089890
Eriogonum umbellatum var. ahartii
Dean Wm. Taylor
2011-8-1
21133
Butte
Pulga Bridge, Feather River canyon, Pulga Road about 200 yards E of the intersection, Highway 70.
457
Comment
SEINET5332483
Eriogonum umbellatum var. ahartii
J. L. Reveal
1975-8-24
3977
Butte
Along California Highwya 70 in Feather River Canon at the turnoff to Pulga.
Comment
SEINET11934477
Eriogonum umbellatum var. polyanthum
Unknown
1985-1
5164
Butte
50 yrds S of the road to the Forbestown Res., about 2.5 mi NE of Forbestown
884
Comment
CAS-BOT-BC265210
Eriogonum umbellatum var. speciosum
James L. Reveal
1975-8-24
3977
Butte
Along California Highway 70 in Feather River Canyon at the turnoff to Pulga
Comment
CAS-BOT-BC265215
Eriogonum umbellatum var. speciosum
John Thomas Howell
1959-9-26
35090
Butte
Pulga Bridge, N. Fk. Feather River, Sierra Nevada
417
Comment
SBBG28265
Eriogonum ursinum
E. B. Copeland
1930-7-6
411
Butte
Jonesville
Comment
SEINET10871615
Eriogonum ursinum
Mary Susan Taylor
1978-7-18
Taylor 1698
Butte
On top of Humboldt Peak, at Humboldt Summit, on Butte-Tehama County line.
2159
Comment
CHSC44046
Eriogonum ursinum var. ursinum
L. P. Janeway
1987-6-13
2197
Butte
Along Ponderosa Way (Rim Rd) 3.8 NE of Jarbo Gap. East-facing roadcut.
883
Comment
SEINET11924838
Eriogonum wrightii var. trachygonum
Unknown
1974-1
635
Butte
along North Honcut Creek,Peter Ahart Ranch,ca 1 1/4 mi N & 3 mi E of Honcut, ca 12 mi S of Oroville
46
Comment
CHSC94347
Eriophorum gracile
Lowell Ahart
2006-7-16
12981
Butte
In a bog, in the 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
SFV3893
Eriophyllum lanatum
B. Fuller
1962-5-5
s. n.
Butte
Sierra Nevada Paradise. At the intersection of Harrison and Stearns Roads. Beside road on rocky slope.
535
Comment
CAS-BOT-BC308162
Eriophyllum lanatum var. grandiflorum
Frank W. Peirson
1926-6-21
6766
Butte
10 miles east of Chico on the Humboldt Road
Comment
RSA388909
Eriophyllum lanatum var. grandiflorum
C. B. Wolf
1937-5-18
8732
Butte
Northern Sierra Nevada. 8.7 miles below Magalia on Oroville road
366
Comment
SBBG8177
Eriophyllum lanatum var. integrifolium
H. and M. Dearing
1938-6-21
2045
Butte
15 mi N of Chico
Comment
RSA715730
Erodium brachycarpum
L. P. Janeway
2005-3-10
8357
Butte
Cascade Range Foothills [error: actually Sierra Nevada foothills] E edge of city of Chico, N side of Humboldt Road 1.8 km NE of Bruce Road.
134
Comment
CHSC100985
Erodium cicutarium
L. P. Janeway
2008-3-18
9239
Butte
Cascade Range Foothills. East edge of City of Chico; south side of Humboldt Road 1.4 km northeast of Bruce Road.
126
Comment
HSC8490
Erodium cicutarium
William J. Ferlatte
1963-5-11
41
Butte
Chico State College campus
Comment
UC203586
Eruca vesicaria subsp. sativa
A. A. Heller
1914-7-11
11560
Butte
6 mi from Chico (Chico-Hamilton road)
Comment
CHSC9287
Erysimum capitatum var. capitatum
D. C. Burns
1971-4-3
116
Butte
At base of cliff, ca. 3.5 mi e of Jarbo, (2.5 mi w of 1st bridge that crosses the n fork of the Feather River).
609
Comment
CHSC44826
Erythranthe bicolor
R. Banchero
1980-4-26
140
Butte
Along the Cohasset Hwy 4.4 mi NE of its jct with Keefer Rd, ca 1.8 mi SW of the town of Cohasset.
451
Comment
CHSC4611
Erythranthe cardinalis
R. Carter
1996-6-26
460
Butte
Found ca. 15 mi. NE of Oroville at old Berry Creek RR station on N Fork Feather R., 500 yds. up E side Berry Cr.
457
Comment
CHSC51017
Erythranthe cardinalis
Lowell Ahart
1990-8-15
6581
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.
228
Comment
SEINET8264803
Erythranthe glaucescens
K. L. Chambers
1987-4-29
5347
Butte
Hwy. 70, along the Feather River above Lake Oroville, at the highway bridge crossing the river at Pulga.
Comment
SEINET8340802
Erythranthe glaucescens
Sandra C. Morey
1978-4-10
17
Butte
highway 32, ca. 7.5 mi e of junction with Highway 99 at Chico.
515
Comment
CHSC113517
Erythranthe guttata
Lowell Ahart
2014-7-7
19588
Butte
East side of the dirt road and in the gutter, about 1/2 mile (air) north of Philbrook Reservoir.
1745
Comment
CHSC3281
Erythranthe guttata
M. L. Hillier
1966-5-9
Butte
In rd. side ditch. Humbug rd. 2 miles n. of covered bridge.
Comment
CHSC44669
Erythranthe guttata
R. Banchero
1980-6-6
202
Butte
Along Bald Rock Rd 1.7 mi S of the N jct with Hwy 162, 7.6 mi NE of the S jct with Hwy 162, ca 1/4 mi E of the Rd.
963
Comment
SJSU969
Erythranthe guttata
A. Retan
1948-5-1
Butte
10 mi W of Oroville
Comment
CHSC44783
Erythranthe microphylla
R. Banchero
1980-4-7
89
Butte
Along LaPort Rd 3.4 mi S of its jct with the Ord-Bangor Hwy, 0.1 mi SW of the jct of LaPorte and Kings Ranch Rd.
137
Comment
CHSC49007
Erythranthe primuloides
Vernon Oswald
1983-7-6
823
Butte
Near Scout Rd. 1.2 mi n of Butte Meadows.
1325
Comment
CHSC27202
Erythrina corallodendron
Pam Moyer
1971-10-30
54
Butte
CSUC Campus. NE corner of Bidwell Mansion porch.
Comment
CAS-BOT-BC133257
Erythronium
M. S. Taylor
1980-3-8
2378
Butte
Ca. 100 ft sw of Pulga bridge over Hwy 70, ca. 28 mi ne of Oroville
487
Comment
CHSC32640
Erythronium multiscapideum
M. S. Taylor; L. Hanson
1981-3-31
3462
Butte
S side of Concow Rd, ca. 0.5 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville.
853
Comment
RSA325090
Erythronium multiscapideum
M. S. Taylor
1981-4-8
3518
Butte
N side of Concow road, ca. 3/4 mile S of its jct. with Ponderosa Way/Rim road, ca. 6 air miles N of Jarbo Gap on highway 70, ca. 21 air miles N of Oroville.
854
Comment
UC1731059
Erythronium multiscapideum
Dean W. Taylor
1997-3-13
15914
Butte
Magalia; summit of serpentine hill directly east of town
Comment
UC843861
Erythronium multiscapideum
A. A. Heller
1915-3-19
11774
Butte
hills 12 mi ne Chico (near Rock Creek)
Comment
CAS-BOT-BC504526
Erythronium multiscapideum
A. A. Heller
1939-4-8
15368
Butte
About 4 miles from Magalia on the Coutlenc road.
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
CHSC40050
Eschscholzia caespitosa
A. A. Heller
1927-4-7
14336
Butte
Among lava rocks at the Salmon Hole on Chico Creek east of Chico.
Comment
CHSC37283
Eschscholzia californica
M. S. Taylor
1982-5-2
4388
Butte
Pulga serpentine oucrops on n side of Hwy 70 at Pulga bridge, ca 20 mi ne of Oroville.
487
Comment
CHSC38578
Eschscholzia californica
Vernon Oswald
1983-4-10
317
Butte
Upper Bidwell Park, Chico, 300 ft w of the parking lot at Day Camp.
91
Comment
JEPS119618
Eschscholzia californica
Lowell Ahart
2012-6-21
18220
Butte
About 5 yards west of the Freeway, Lower Bidwell Park, Chico.
Comment
UC855194
Eschscholzia californica
A. A. Heller
1938-4-17
15041
Butte
slope back of Salmon Hole (e of Chico); Chico Creek
121
Comment
CHSC24152
Eschscholzia lobbii
B. Bunge
1976-4-20
15
Butte
Ca. 100 yd of Skyway, 5 mi ese of Chico.
213
Comment
CHSC31778
Eschscholzia lobbii
L. Ahart
1974-4-14
409
Butte
Peter Ahart Ranch, Honcut.
45
Comment
UC176139
Eschscholzia lobbii
A. A. Heller
1913-3-9
10681
Butte
2 mi n Oroville
Comment
UC176651
Eschscholzia lobbii
A. A. Heller
1913-4-6
10714
Butte
near Big Chico Creek (e of Chico)
Comment
SBBG17169
Eschscholzia lobbii
M. Vincent
1961-3-27
40
Butte
Table Mtn, 3 mi E of Cherokee
762
Comment
CHSC69106
Eucephalus breweri
Lowell Ahart
1997-8-1
7787
Butte
Near some small streamlets of Little Kemshew Creek, in Snow Meadow, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City.
1524
Comment
CHSC44278
Euonymus occidentalis var. occidentalis
V. Oswald; W. Dempsey, D. Perske
1988-6-15
3386
Butte
Douglas Perske's property located at the e end of Bull Creek Rd., ca. 1 mi (air) ne of Cohasset School. Near the bottom of a canyon slope along the W. Branch of Mud Creek.
853
Comment
SEINET10475035
Eupatorium occidentale
Mary Susan Taylor
1980-8-2
Taylor 3216
Butte
T27N R5E center sec 32, Jonesville quad. Humboldt Peak, N tip of the county.
2155
Comment
SEINET10475036
Eupatorium occidentale
Mary Susan Taylor, Lowell Ahart
1981-8-16
Taylor 4206
Butte
T25N R5E ne 1/4 sw 1/4 sec 21. Jones- ville SW quad. N side of 25N04, near upper Big Kimshew Creek, ca. 2 mi SE of Philbrook Reservoir, ca. 6 mi NE of Stirling City. Red Fir Forest. 6400 ft.
1950
Comment
UCD34285
Euphorbia hooveri
Beecher Crampton
1978-8-21
9659
Butte
Ca. 10 miles S.E. of Chico, 1/2 mile south of the jct. of Pentz road and Hwy.99.
Comment
CHSC613
Euphorbia lathyris
K. Stern
1963-8-8
Butte
Near Chico in an orchard.
Comment
UCR115041
Euphorbia nutans
G. Fred Hrusa, T. D. Wilfred
1996-9-6
13572
Butte
E side of Butte Creek, c. 0.5 mi. NE of confluence with Howard Slough, and immediately below McPherrin Dam (private and scheduled for removal).
23
Comment
CDA18873
Euphorbia oblongata
R. Hill, L. Pejsa
2000-5-15
PDR 1174221
Butte
along Bille Rd., Paradise.
0
Comment
RSA572325
Euphorbia ocellata var. ocellata
Robert F. Hoover
1938-8-2
3718
Butte
7 miles southeast of Chico.
Comment
CDA38820
Euphorbia peplus
L. Ahart
2012-4-17
17877
Butte
Area where cobbles were removed for Oroville Dam, about 100 yards south of where the road turns north, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) sothwest of Oroville.
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
CHSC50816
Eurybia integrifolia
Vernon Oswald
1990-7-23
4381
Butte
Meadow at the headwaters of the east branch of Willow Creek, ca. 1 mile south of Humbug Summit.
1938
Comment
CHSC97781
Eurybia radulina
L. P. Janeway
2007-8-12
9158
Butte
Northern High Sierra Nevada. Near junction of Bald Rock Road and Road 21N31Y, 2.3 km south of 'town' of Brush Creek.
1001
Comment
CHSC21047
Euthamia occidentalis
M. S. Taylor
1975-10-3
926
Butte
At bridge over slough on River Rd, ca. 10 mi w of Chico.
36
Comment
CHSC27262
Fatsia japonica
P. Moyer
1971-10-30
52
Butte
CSUC Campus. Front of 'A' Bldg.
60
Comment
CHSC93854
Festuca
Lowell Ahart
2006-5-19
12635
Butte
Road gutter, 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.
405
Comment
SEINET10508573
Festuca californica
Lowell Ahart
1985-5-15
Ahart 4998
Butte
1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow of Reservoir.
Comment
CHSC109857
Festuca californica var. californica
L. P. Janeway
2012-6-7
10870
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
CHSC50439
Festuca elmeri
Vernon Oswald; Lowell Ahart
1990-6-27
4325
Butte
Jordan Creek-Marble Creek Rd (23N60) between Spoon Ravine and Marble Creek, east side of Oro-Quincy Hwy, ca. 0.5 mi (air) northeast of Junction House (site).
1109
Comment
CHSC109547
Festuca microstachys
L. P. Janeway
2012-6-7
10865
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
SEINET231715
Festuca occidentalis
Lowell Ahart, Peter Ahart
1984-6-10
4704
Butte
Ca 2 mi SW of Forbestown Diversion Dam NE of Forbestown Yellow Pine Forest
700
Comment
JEPS87486
Festuca subulata
Lowell Ahart
1993-7-23
7107
Butte
about 6 (air) mi n.e. Feather Falls (about 1/8 mi s of the campgrounds on the large gravel bar along Fall River, s. of Fall River)
1036
Comment
RSA4661
Fragaria virginiana subsp. platypetala
E. B. Copeland
1929-7-16
373
Butte
Jonesville.
1550
Comment
CAS-BOT-BC62946
Frangula californica subsp. tomentella
Lowell Ahart
1968-5-8
972
Butte
Peter Ahart Ranch, Honcut.
150
Comment
CAS-BOT-BC62908
Frangula californica subsp. tomentella
A. A. Heller
1915-5-17
11882
Butte
Canyon of Chico creek 5 mi. e. of Chico. The type was collected about 50 mi. to the s., probably along the Bear River.
Comment
CHSC50841
Frangula purshiana
Vernon Oswald; Lowell Ahart
1990-7-19
4364
Butte
Slope on the south side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.3 mi west of the Plumas County line.
1981
Comment
SEINET10493572
Frangula purshiana
Mary Susan Taylor
1981-5-13
Taylor 3703
Butte
4000 ft. T22N R6E ne sec 5, Pulga SE quad. Along creek crossing 22N66X (old RR bed) just N of Foreman Creek, ca. 1.5 mi S of Four Trees Rd, ca. 0.5 mi W of Elks Retreat on Oroville-Quincy Hwy.
1219
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
CAS-BOT-BC504378
Fritillaria
Saichi Kawaha
1968-5-4
388
Butte
James Ripley's property, graham Road, Paradise
640
Comment
CAS-BOT-BC130317
Fritillaria eastwoodiae
A. A. Heller
1938-5-1
15058
Butte
Above the reservoir beyond Magalia on Highway
Comment
CHSC2280
Fritillaria eastwoodiae
N. Maxwell
1929-4-8
Butte
Honey Run.
243
Comment
CHSC32659
Fritillaria eastwoodiae
M. S. Taylor; L. Hanson
1981-3-16
3404
Butte
E side of Truex Rd, ca. 1/2 mi s of its jct with Hwy 70 (to just across State Park line), ca. 7 mi n of Oroville.
304
Comment
CHSC4173
Fritillaria eastwoodiae
D. B. Joley
1967-4-10
19
Butte
Ca. 10 feet s of Honey Run Rd. and ca. 9.1 miles e of corner of Skyway and Honey Run Rd., Chico.
152
Comment
CHSC88621
Fritillaria eastwoodiae
Linnea Hanson
1985-4-26
268
Butte
Plumas National Forest.
792
Comment
CHSC88630
Fritillaria eastwoodiae
Linnea Hanson
1987-4-27
294
Butte
Plumas National Forest. Old Utah Mine.
762
Comment
CAS-BOT-BC505285
Fritillaria micrantha
Lowell Ahart
1982-4-8
3271
Butte
Above the road cut bank along Swedes Flat Road, about 1 mile east of the Bangor Oroville Highway, about 7 miles north of Bangor
350
Comment
SEINET3992162
Fritillaria pluriflora
A. A. Heller
1916-3-5
12278
Butte
Along the highway 10 miles north of Chico
Comment
CHSC2286
Fritillaria recurva
N. Maxwell
1929-3-17
Butte
Forest Ranch.
548
Comment
RSA32885
Fritillaria recurva
A. A. Heller
1939-4-26
15386
Butte
Near Stirling
Comment
CHSC99098
Fumaria officinalis
Elena Alfieri
2008-2-22
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.
85
Comment
JEPS114198
Fumaria officinalis
Elena Alfieri
2008-5-19
Butte
Sacramento Valley. Lower Bidwell Park, Chico, within the Arroyo Chico Land Grant.
Comment
CHSC38655
Galium aparine
Vernon Oswald
1983-3-13
162
Butte
Upper Bidwell Park, Chico, along Yahi Trail between Salmon Hole and Parking area P (1.7 mi E of the power lines).
182
Comment
CHSC47477
Galium aparine
Lowell Ahart
1974-4-14
398
Butte
Peter Ahart Ranch, about 1 mi north and 1 1/4 miles east of Honcut, about 12 miles south of Oroville.
48
Comment
CHSC86591
Galium aparine
L. P. Janeway; Barbara Castro, Eric Ryan
2003-4-19
7759
Butte
Sacramento Valley. City of Chico residential area; West 12th Street between Broadway and Oakdale.
59
Comment
RSA754579
Galium aparine
L. Ahart
2009-4-17
15548
Butte
S slope of a ridge, about 150-200 yards W of Highway 32, near the S boundary, Upper Bidwell park, about 5 air miles NE of Chico.
373
Comment
CHSC1616
Galium bolanderi
E. Roos
1930-4-28
Butte
Rifle Range, Bidwell Park.
91
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
CHSC48884
Galium divaricatum
Vernon Oswald
1985-5-1
1741
Butte
Upper Bidwell Park, Chico, at the Police Pistol Range on the S edge of the Golf course.
97
Comment
CHSC47041
Galium grayanum
R. A. Schlising; L. Janeway
1988-7-22
4621
Butte
NE of Philbrook Lake, near county line.
1950
Comment
CAS-BOT-BC124079
Galium grayanum var. grayanum
Amos Arthur Heller
1914-8-7
11668
Butte
Summit east of Jonesville
2133
Comment
UC600426
Galium grayanum var. grayanum
E. B. Copeland
1931-6-19
Butte
at The Summit Jonesville
Comment
CHSC61008
Galium murale
Lowell Ahart
1993-5-31
6956
Butte
In Nature Garden, Durham Elementary School, Durham.
51
Comment
CHSC55586
Galium porrigens var. tenue
Dan Morgan
1991-4-21
19
Butte
Indian Springs Rd., .3 mi W of Neal Rd., Paradise.
243
Comment
JEPS26674
Galium porrigens var. tenue
P. C. Hutchison
1961-6-9
2093
Butte
7 mi s Jarbos Gap (along US Alt. 40); canyon of the north fork of the Feather River
Comment
SEINET10500737
Galium porrigens var. tenue
Mary Susan Taylor
1981-2-11
Taylor 3380
Butte
T19N R6E sw sec 8. Big Bend quad. E side of Lumpkin Rd, along Macabes Creek, 2 mi n of jct of Lumpkin Rd & Oroville-Quincy Hwy (162), ca. 13 mi ne of Oroville. Riparian Wdlnd; 1500 ft.
457
Comment
CHSC35215
Galium tricornutum
M. S. Taylor
1981-5-1
3584
Butte
E side of Hwy 70, ca. 4 air mi NW of Oroville.
91
Comment
CHSC48887
Galium tricornutum
Vernon Oswald
1986-4-28
1984
Butte
Hamilton-Nord-Cana Hwy 0.5 mi N of Bennett Rd.
48
Comment
CHSC113472
Galium trifidum subsp. columbianum
Lowell Ahart
2014-7-13
19659
Butte
West part of a large wet meadow (some bog), about 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
UC392192
Galium triflorum
E. B. Copeland
July 1929
Butte
Jonesville
1550
Comment
JEPS98564
Gamochaeta argyrinea
Lowell Ahart
2000-5-13
8345
Butte
5 air miles SW of Oroville (margin of the Thermalito Afterbay, W side of the access road to the boat ramp, W side of Larkin Road)
42
Comment
SEINET12137665
Garrya fremontii
Unknown
1985-1
4835
Butte
E of Magalia
750
Comment
CHSC26705
Gayophytum diffusum subsp. parviflorum
M. S. Taylor; M. Hayes, R. Schlising
1977-8-17
1459
Butte
On e side of Humboldt Rd, ca. 4.5 mi ne of Butte Meadows turnoff from Hwy 32.
1326
Comment
UC398937
Gayophytum heterozygum
E. B. Copeland
1929-7-29
387
Butte
Butte Creek Jonesville
Comment
SEINET10453074
Gayophytum heterozygum
Lowell Ahart, Peter Ahart
1983-7-29
Ahart 4224
Butte
T21N R6E sec 10? Ca. 2 mi s of Milsap Bar, ca. 23 mi ne of Oroville. Yellow Pine Forest; 750 m.
750
Comment
CHSC46456
Gayophytum humile
V. Oswald; L. Ahart
1989-6-27
3818
Butte
Ridge east of Scotts John Creek, ca. 3.3 mi (air) e of Jonesville.
1981
Comment
CHSC34812
Genista monspessulana
M. S. Taylor
1981-5-5
3613
Butte
W side of spur rd, ca. 1/2 mi n of its jct with 21N35Y-Bryant Ravine Rd, ca. 1 air mi n of Feather Falls.
853
Comment
CHSC3487
Genista monspessulana
Roger Jaegel
1966-4-20
112
Butte
Located on Chico - Paradise road, four miles east of Chico.
Comment
RSA638255
Genista monspessulana
Michael A. Vincent, Ethan H. Freid, Karl Vincent
1998-4-6
8109
Butte
Table Mountain; along Cherokee Rd. about 2 miles above Oregon Gulch Rd.
Comment
CHSC115899
Gentiana newberryi var. tiogana
R. A. Schlising; A. Kannely
2015-8-12
4478
Butte
Butte Creek House Meadow Ecological Reserve, along Humbug Road.
1767
Comment
CHSC62557
Gentianopsis simplex
B. Castro; R. A. Schlising, L. P. Janeway, P. Broyles
1987-7-19
157
Butte
Meadow along the Skyway (Humbug Summit Rd) ca 5.5 mi N of Inskip, at the Cornelia Lott Sank Memorial Spring.
1539
Comment
CHSC42772
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 the creek.
1097
Comment
CHSC29805
Gilia capitata subsp. mediomontana
M. S. Taylor
1979-8-4
2174
Butte
Ca. 1 mi n of Cresta Powerhouse on Hwy 70 (old 40), ca. 30 mi n of Oroville.
487
Comment
CHSC36812
Gilia capitata subsp. mediomontana
L. Ahart
1982-6-4
3555
Butte
On a lava cap, 1.5 mi e of Camp 18 and ca. 8 mi e of Feather Falls.
1000
Comment
CHSC38591
Gilia capitata subsp. pedemontana
Vernon Oswald
1983-5-18
503
Butte
Upper Bidwell Park, Chico, 300 ft n of Upper Park Rd. and 2.4 mi e of the power lines.
243
Comment
UC879807
Gilia capitata subsp. pedemontana
Ira W. Clokey
13384 a
Butte
near Chico (at the Hooker Oak); near Chico, at the Hooker Oak
Comment
CHSC90052
Gilia tricolor
Peggy Fain
1991-4-21
20
Butte
Ca. 2 km. E. of Richardson Springs Hotel, Musty Buck Preserve.
213
Comment
SEINET10837194
Gilia tricolor
Mary Susan Taylor
1980-3-1
Taylor 2350
Butte
T21N R3E nw 1/4 sec 5. Near Elliot Spring House, S side of Neal Road, ca. 2 mi SW of Paradise.
302
Comment
SEINET12318342
Gilia tricolor
K. D. Johnson
1978-1
18
Butte
NW side of Neal Rd, 3.1 mi SW of intersection with Skyway, Paradise
305
Comment
JEPS98445
Githopsis pulchella subsp. campestris
Lowell Ahart
2000-5-31
8422
Butte
3 mi SE of Paradise (a serpentine ridge, about 200 yds E of where Kunkle Creek enters Lake Oroville, E of the Kunkle Power House)
335
Comment
SEINET10460574
Githopsis pulchella subsp. campestris
Robert A. Schlising
1964-6-11
Schlising 2723
Butte
Few miles south of Paradise along Honeyrun Road
Comment
UCSB40621
Githopsis specularioides
Reisentz, Paul
1979-5-13
Butte
3 miles up Corcow Road from Hwy 70
Comment
JEPS120592
Glinus lotoides
Lowell Ahart
2013-11-18
19287
Butte
Below the high-water line of Lake Oroville, about 200 yards east of the boat ramp at the end of Stringtown Road, about 2.5 air miles northeast of Hurleton.
Comment
UC1562276
Glinus lotoides
Lowell Ahart
1990-7-2
6537
Butte
near McCabe Creek (below the high water line of Lake Oroville, about 1/2 mi sw of the Enterprise Bridge across Lake Oroville)
243
Comment
CHSC43176
Glyceria elata
Robert Banchero
1981-7-19
611
Butte
Big Crane Valley. Meadow.
1584
Comment
CHSC61370
Glyceria elata
Lowell Ahart
1993-7-22
7090
Butte
Along the edge of Fall River, on the west side of the campground road, about 1/4 mile north-west of the bridge across Fall River, about 6 (air) miles north-east of Feather Falls.
1036
Comment
CHSC61541
Glyceria elata
Lowell Ahart
1993-7-6
7050
Butte
In a meadow, on the north side of the dirt road, about 1/4 mile west of the Lost Creek Reservoir.
1036
Comment
UC600757
Glyceria elata
H. F. Copeland
1932-7-13
Butte
Jonesville
Comment
CHSC88067
Glycyrrhiza lepidota
R. D. Fischer
2004-6-12
153
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located in large meadow at the bottom of 10 Mile House Road, e. side of road and Big Chico Creek, near the gated end of the park property.
220
Comment
RSA713012
Gnaphalium luteoalbum
L. Ahart
2005-12-11
12511
Butte
Rice Experiment Station between the Main Ditch ad Stine Lateral, on the N side of Hamilton Road, 1/4 mile E of Riceton Hwy 2.25 miles air E of Biggs.
30
Comment
JEPS114999
Gnaphalium palustre
Lowell Ahart
2007-11-3
14567
Butte
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
CHSC37092
Goodyera oblongifolia
L. Ahart
1982-9-13
3805
Butte
Ca. 1/8 mi n of Lost Creek Reservoir Dam, ca. 2 and 1/8 mi nw of Strawberry Valley.
1100
Comment
CHSC49678
Goodyera oblongifolia
Vernon Oswald
1983-8-4
949
Butte
Near Calif. Hwy 32, 11.8 mi n-e of Forest Ranch.
1188
Comment
JEPS123885
Gratiola ebracteata
Lowell Ahart
2015-5-5
20140
Butte
About 400 yards south of Larkin Road Boat Lunch Area, near the Thermalito Afterbay, about 1 miles southwest of the Oroville Airport, about 6 miles (air) southwest of Oroville
Comment
CAS-BOT-BC305289
Grindelia hirsutula
J. D. Jokerst; M. S. Taylor
1979-10-13
389
Butte
Jordan Hill Rd (Ponderosa Way), 2.8 mi n of jct with Concow Creek, ca. 4 mi ne of Lake Concow
609
Comment
CHSC35080
Hackelia californica
R. Schlising; D. Ikeda, R. Banchero
1980-6-26
3789
Butte
4.0 mi SE of Butte Meadows on Bull Hill Road.
1536
Comment
CHSC78122
Hedypnois cretica
Lowell Ahart
2000-5-31
8429
Butte
Below the high water line of Lake Oroville, about 400 yards est of where Kunkle Creek enters Lake Oroville, east of the Kunkle Power House, about 3 miles southeast of Paradise.
271
Comment
CAS-BOT-BC306291
Hedypnois cretica
Lowell Ahart
1979-5-11
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
CHSC96317
Helenium bigelovii
L. P. Janeway
2006-8-12
8845
Butte
Northern High Sierra Nevada. Meadow at head of northwestern branch of Keyser Creek, below sharp bend in Concow Road, 0.3 km east of the summit of Bald Mountain.
1695
Comment
CHSC89488
Helenium puberulum
R. D. Fischer
2004-8-24
440
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located at bottom of 10 Mile House Road near gated end of park property. At edge of road in drainage ditch.
216
Comment
CAS-BOT-BC309401
Helenium puberulum
Lowell Ahart
1987-6-9
5721
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
271
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
JEPS34876
Helianthus bolanderi
H. A. Dutton
1921-1-1
Butte
Hooker Oak Chico, Hooker Oak
Comment
CAS-BOT-BC134034
Heliotropium
M. S. Taylor
1975-10-3
943
Butte
Ca. 1/4 mi n of the washout, between River Rd and the Sacramento River, ca. 10 mi w of Chico
36
Comment
JEPS96030
Heliotropium curassavicum
Vernon H. Oswald and Lowell Ahart
1996-6-10
7748
Butte
near U.S. Fish & Wildlife Service parcel between 7 Mile Lane & Sacramento R Sacramento R. Nat'l Wildlife Refuge (edge of farm rd. bordering slough e. side of Little Grant, near Riparian Sanctuary); , Llano Seco Unit
28
Comment
CHSC116133
Heliotropium europaeum
Lowell Ahart
2015-11-7
20619
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
SEINET10935957
Heliotropium europaeum
Mary Susan Taylor
1975-10-3
Taylor 943
Butte
Ca. 1/4 mile N of the Washout, between River Road and the Sacramento River, ca. 10 mi W of Chico. Riparian Woodland and sloughs, wet and humid.
37
Comment
CAS-BOT-BC314998
Hemizonella minima
Lowell Ahart
1982-6-4
1117
Butte
1 1/2 miles east of Camp 18 about 8 miles east of Feather Falls
1000
Comment
RSA505367
Hemizonia fitchii
R. C. Bacigalupi, G. Thomas Robbins
1955-7-15
5301
Butte
3.5 miles E of Chico and 0.5 mile S of the Hooker Oak.
81
Comment
CHSC48255
Herniaria hirsuta subsp. hirsuta
Vernon Oswald
1987-4-16
2331
Butte
Butte Creek Preserve on the n side of Butte Creek e of the Skyway. On a flood plain of the creek.
74
Comment
CHSC84124
Hesperevax caulescens
Lowell Ahart
2003-5-14
10175
Butte
About 150 yards west of the dredge piles along North Honcut Creek, about 2 1/2 miles north and 2 1/2 miles east of Honcut, about 12 miles southeast of Oroville.
60
Comment
SEINET3450929
Hesperolinon californicum
Unknown
2003-6-18
10289
Butte
Oroville, Oroville, about 12 miles southeast, about 2.5 miles north and 2.5 miles east of Honcut, about 150 yards west of the dredge piles along North Honcut Creek
60
Comment
JEPS120917
Hesperolinon micranthum
Lowell Ahart
2013-5-27
18713
Butte
On the E side of Black Bart Road, about 3/4 mile by road SW from the intersection of Forbestown Road and Black Bart Road, about 3.5 air miles SW of Forbestown.
Comment
CHSC51862
Heterocodon rariflorum
L. P. Janeway
1988-6-25
2899
Butte
Small meadow along Bull Hill Rd 2.9 mi from the Skyway.
1508
Comment
JEPS93842
Heterocodon rariflorum
Lowell Ahart
1998-6-9
7998
Butte
about 7 air mi n of Oroville (about 1/2 mi nw of the Ione oak tree, nw of cow chute along Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road
396
Comment
SEINET10460724
Heterocodon rariflorum
Lowell Ahart
1982-6-15
Ahart 3572
Butte
On a lava cap, about 1.5 miles east of Camp 18, about 8 miles east of Feather FALls
1000
Comment
SEINET10460748
Heterocodon rariflorum
Mary Susan Taylor
1980-5-27
Taylor 2718
Butte
N and S sides of Bald Rock Road, ca. 1 mi E of Lake Madrone; Yellow Pine Forest.
671
Comment
SEINET11892045
Heteromeles arbutifolia
Unknown
1975-1
790
Butte
Along NorthHoncut Creek. Peter Ahart Ranch, Honcut
46
Comment
CAS-BOT-BC310277
Heterotheca grandiflora
A. A. Heller
1940-9-28
15840
Butte
1 mile above Pentz on the Paradise grade
Comment
SEINET10839198
Heterotheca grandiflora
Mary Susan Taylor, K. Tharp
1982-4-8
Taylor 4293
Butte
T19N R4E border sac 1/2. Oroville quad. Along both side of Oroville Dam Blvd (Alt. 40), ca. 1.5 mi s of Oroville Dam Visitors Center, Oroville. Foothill Woodland; 800 ft.
244
Comment
UC1192274
Hibiscus lasiocarpos
Malcolm A. Nobs and S. Galen Smith
1949-7-29
1090
Butte
on rd. from Biggs to Princeton (Butte Creek); Butte Creek
Comment
CHSC69039
Hieracium albiflorum
Lowell Ahart
1997-8-1
7779
Butte
Near some small streamlets of Little Kimshew Creek, in Snow Meadow, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City.
1524
Comment
CHSC79971
Hirschfeldia incana
L. P. Janeway; B. Castro
1999-6-4
6455
Butte
Sacramento Valley.
30
Comment
CHSC94562
Hirschfeldia incana
Lowell Ahart
2006-9-13
13330
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
CHSC38521
Hoita macrostachya
Vernon Oswald
1983-7-28
936
Butte
Upper Bidwell Park, Chico, along Yahi Trail near Chico Creek e of Brown's Hole.
207
Comment
CHSC39560
Hoita macrostachya
Lowell Ahart
1983-7-24
4201
Butte
About 1/2 mile south-west of the intersection of the Oroville Forbestown Road and Black Bart Road, about 6 miles south-west of Forbestown.
750
Comment
CHSC48569
Hoita macrostachya
Vernon Oswald
1987-7-20
3141
Butte
Butte Creek Reserve on the s side of Butte Creek, n of the Skyway, ca. 0.1 mi w of the dam for Crouch Ditch.
79
Comment
CHSC88064
Hoita macrostachya
R. D. Fischer
2004-6-12
150
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located at old cabin site, next to pond off the Annie Bidwell Trail, 150 ft s. of 10 Mile House Trail junction.
248
Comment
POM27988
Hoita macrostachya
C. C. Bruce
1897-06
1980
Butte
Little Chico.
Comment
SEINET7930197
Hoita orbicularis
Lowell Ahart
1985-7-24
5150
Butte
East of the dirt road to the Forbestown Res, about 2 1/2 miles north-east of Forbestown.; 0
869
Comment
CHSC44456
Hordeum brachyantherum subsp. brachyantherum
Lowell Ahart
1988-6-21
6059
Butte
Near the Poe Power House Road, about 1 mile south of Jarbo Gap.
609
Comment
CHSC71214
Hordeum brachyantherum subsp. brachyantherum
Lowell Ahart
1998-6-9
7993
Butte
About 3/8 mile northwest of the lone oak tree, northwest of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
388
Comment
CHSC101125
Hordeum murinum subsp. glaucum
Lowell Ahart
2009-5-8
15670
Butte
On the south side of the grave road, about 10 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico.
67
Comment
CHSC2154
Hordeum murinum subsp. glaucum
H. Silberman; D. Isaac
1949-5-9
Butte
West side of football field, CSC campus.
54
Comment
CAS-BOT-BC284885
Hordeum murinum subsp. leporinum
John Thomas Howell
1962-6-16
37568
Butte
Magalia
731
Comment
CHSC8225
Hordeum murinum subsp. leporinum
M. Banning
1969-3-7
9
Butte
Across from Chico Jr. Hi. on S. side of Memorial Way, Chico.
60
Comment
SEINET10483365
Horkelia fusca subsp. parviflora
Mary Susan Taylor, Lowell Ahart
1981-8-16
Taylor 4201
Butte
T25 N R5E SW 1/4 sec 29. Pulga NW quad. Jones Meadow, ca. 3 mi S of Philbrook Reservoir, ca. 6 mi NE of Stirling City. Montane Meadow. 6000 ft.
1829
Comment
UC481576
Horkelia fusca subsp. tenella
H. F. Copeland
1922-8-20
458
Butte
Jonesville
Comment
CHSC99565
Horkelia tridentata subsp. tridentata
L. P. Janeway
2008-5-26
9387
Butte
Northern High Sierra Nevada. Saddle at head of Empire Creek, about 1.6 km west of Flea Valley.
1079
Comment
CAS-BOT-BC536253
Horkelia tridentata var. tridentata
H. F. Copeland
1929-6-9
1226
Butte
Jonesville
1524
Comment
SEINET3836429
Hosackia argophylla var. fremontii
A. A. Heller
1940-6-5
15699
Butte
Feather River, between bridge and mouth of the West Branch of North Fork
Comment
CHSC45283
Hosackia incana
Vernon Oswald
1987-6-29
3040
Butte
Bald Mt., 0.4 mi s of the Lookout.
1706
Comment
CHSC25265
Hosackia oblongifolia
M. S. Taylor
1977-6-27
1395
Butte
In creek on Butte College campus, ca. 15 mi s of Chico.
60
Comment
JEPS118655
Hydrocotyle sibthorpioides
L. P. Janeway
2010-6-9
9994
Butte
Sacramento Valley. Chico; southeast corner of Citrus Avenue and Mansion Avenue, area between sidewalk and curb. Chico 7.5' quad.
Comment
CHSC51993
Hydrocotyle umbellata
B. Castro
1987-9-22
250
Butte
S side of Pentz Rd ca 2.2 mi e of its jcn with Clark Rd.
115
Comment
JEPS124324
Hydrocotyle umbellata
Lowell Ahart
2015-10-20
20571
Butte
About half way of and east of One Mile Pond, about 6 miles (air) east of Biggs.
Comment
JEPS98507
Hydrocotyle umbellata
Lowell Ahart
2000-9-2
8680
Butte
On the margins of and in a small pond, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville.
42
Comment
CHSC8748
Hydrocotyle verticillata
S. Chulasmai
1966-5-20
40
Butte
Upper Bidwell Park roadside [Helocsirge spring].
Comment
CAS-BOT-BC175967
Hypericum
Lowell Ahart
1977-7-19
s.n.
Butte
Peter Ahart Ranch, Honcut. Along North Honcut Creek
50
Comment
SD3069
Hypericum anagalloides
E. B. Copeland
1929-7-16
Butte
Jonesville
1550
Comment
CAS-BOT-BC400826
Hypericum anagalloides
Lowell Ahart
1979-6-9
s.n.
Butte
2 mi se of Paradise. Along the edge of Kunkle Creek
500
Comment
RSA4237
Hypericum androsaemum
E. B. Copeland
1929-7-16
381
Butte
Jonesville
1550
Comment
CDA5079
Hypericum perforatum
D. G. Kelch
2006-8-2
6 .342
Butte
Along Butte Creek, north of Durham-Dayton Hwy.
Comment
CHSC31638
Hypericum perforatum
Lowell Ahart
1977-6-3
1406
Butte
Peter Ahart Ranch, Honcut. Along the banks of North Honcut Creek.
50
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
POM195674
Ipomopsis aggregata subsp. formosissima
E. B. Copeland
1929-7-24
394
Butte
Jonesville.
1550
Comment
SEINET6190908
Iris douglasiana
A. A. Heller
1919-1
13102
Butte
Butte County
Comment
CAS-BOT-BC133553
Iris hartwegii
John Thomas Howell
1978-4-17
52826
Butte
Skyway near Neal Road, Paradise
609
Comment
RSA136683
Iris hartwegii
Lee W. Lenz, E. K. Balls
1957-5-23
22528
Butte
3 mi. SE from turnoff, Hwy 32 to De Sabla.
671
Comment
RSA137403
Iris hartwegii
Lee W. Lenz, E. K. Balls
1957-5-23
22525
Butte
State Highway 32, 6.9 miles south from Lomo, at junction with road from Butte Meadows
1037
Comment
SEINET263499
Iris hartwegii
R. J. Shaw
1993-5-23
5092
Butte
Ca. 15 miles E of Chico at jct of Hwy 32 and Sugar Pine Place
1000
Comment
CHSC55627
Iris macrosiphon
Dan Morgan
1991-4-21
20
Butte
Indian Springs Rd., 0.3 mi w of Neal Rd. Paradise
243
Comment
CHSC117402
Isoetes howellii
Lowell Ahart
2016-5-30
20881
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 1/8 miles east of Honcut, about 12 miles (air) southeast of Oroville.
31
Comment
SEINET6164857
Isoetes howellii
B. Ertter, Jeff Strachan; Lowell Ahart
1980-5-7
3288
Butte
Peter Ahart Ranch ca 2.5 mi NNE of Honcut between Oroville and Marysville.
31
Comment
CHSC45140
Isolepis setacea
Lowell Ahart
1984-6-8
4685
Butte
Along the edge of a seep, along the road gutter, Lumpkin Ridge Road, about 6 miles north-east of Feather Falls.
518
Comment
JEPS95012
Isolepis setacea
Lowell Ahart
1997-10-20
7929
Butte
3 air mi nw of Sly Creek Reservoir Dam (on w side of sharp bend in South Fork Feather River, about 1/4 mi n of bridge across the river, about 3/4 mi n of Golden Trout Crossing); South Fork Feather River
914
Comment
CAS-BOT-BC102301
Juglans hindsii
John Thomas Howell
1959-9-20
34703
Butte
Feather River Highway 2 miles below West Branch bridge
213
Comment
CHSC49696
Juncus acuminatus
Vernon Oswald
1985-5-20
1776
Butte
Oroville Wildlife Area near the outlet of Thermalito Afterbay.
Comment
CHSC38915
Juncus articulatus
Vernon Oswald
1983-7-13
864
Butte
Upper Bidwell Park, Chico, at the retaining wall at the e end of Centennial Ave.
85
Comment
CHSC56894
Juncus articulatus
L. P. Janeway; C. A. Janeway
1986-10-12
1922
Butte
North side North Fork Feather River at Pulga. Between river and railroad grade.
426
Comment
CHSC61345
Juncus articulatus
Lowell Ahart
1993-7-23
7100
Butte
on the west side of Fall River, about 6 (air) miles north-east of Feather Falls.
1036
Comment
JEPS113326
Juncus articulatus
L. P. Janeway, Marcia Waterway, Martin Lechowicz
2006-8-3
8823
Butte
Northern High Sierra Nevada. Old pond below Lumpkin Ridge Road about 10 km east of Feather Falls and about 1.0 km southwest of Lumpkin Ridge Road junction with road to Cascade and Fall River; near head of western branch of Know-nothing creek.
Comment
JEPS114587
Juncus brachyphyllus
Lowell Ahart
2008-5-30
14792
Butte
Northwest part of the top of Big Bald Rock, about 14 miles (air) northeast of Oroville
976
Comment
POM180884
Juncus bufonius
H. F. Copeland
1923-5-1
845
Butte
Nelson.
Comment
CHSC61516
Juncus bufonius var. bufonius
Lowell Ahart
1993-5-17
6949
Butte
Large vernal pool, on the west side of Dunstone Road, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles southeast of Oroville.
60
Comment
RSA715584
Juncus bufonius var. bufonius
L. Ahart
2005-4-14
11719
Butte
About 200 feet east of the railroad tracks, north of Spruce Street, Gridley.
28
Comment
CHSC31842
Juncus bufonius var. congestus
L. Ahart
1980-6-15
2378
Butte
On a sand bar on the edge of a large wash, ca. 1.5 mi n and 1 mi e of Honcut. Peter Ahart Ranch.
50
Comment
CHSC44245
Juncus capillaris
V. Oswald; L. Ahart
1988-7-13
3574
Butte
Road to High Lakes e of Philbrook Reservoir.
1859
Comment
CHSC116708
Juncus capitatus
Lowell Ahart
2016-5-15
20833
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.
45
Comment
UC1609270
Juncus covillei var. covillei
Lowell Ahart
1993-7-23
7101
Butte
about 6 air mi ne of Feather Falls (about 100 yards w of the bridge across Fall River); w side of Fall River
1036
Comment
JEPS120918
Juncus cyperoides
Lowell Ahart
2013-5-27
18711
Butte
On the E side of Black Bart Road, about 3/4 road miles SW of the intersection of Forbestown Road and Black Bart Road, about 3.5 air miles SW of Forbestown.
Comment
CHSC30954
Juncus dubius
L. Ahart
1980-7-4
2458
Butte
Small meadow near the jct of Forbestown Rd and Black Bart Rd, ca. 1 mi w of Robinson Mill Rd, w of Forbestown.
750
Comment
CHSC111289
Juncus effusus subsp. effusus
Barbara L. Wilson; Lowell Ahart, Lawrence Janeway, Peter F. Zika
2011-8-5
16758
Butte
6.5 miles from junction (which is at edge of community of Feather Falls) with Lumpkin Road, on paved logging road that people use instead of gravel Lumpkin road; UTM 10 655439 east, 4387540 north, +/- 49 feet (NAD83).
Comment
CHSC38921
Juncus ensifolius
Vernon Oswald
1983-6-24
765
Butte
Upper Bidwell Park, Chico, near the retaining wall at the e end of Centennial Ave.
85
Comment
JEPS106096
Juncus ensifolius
Lowell Ahart
2004-8-2
11328
Butte
Small bog in a large meadow, about 200 yards east of Keyser Creek, on the north side of the dirt County Road, about 3/4 mile (air) northeast of Oak Point, about 1/2 mile (air) west of Big Kimshew Creek, about 1 3/4 miles southeast of Bald Mountain
1452
Comment
POM183191
Juncus ensifolius
H. F. Copeland
1930-7-25
1357
Butte
Jonesville.
1524
Comment
RSA325886
Juncus ensifolius
L. Ahart, P. Ahart
1983-7-29
4223
Butte
Ca. 2 miles S of Milsap Bar, ca. 23 miles NE of Oroville.
750
Comment
CHSC30359
Juncus hemiendytus var. hemiendytus
J. D. Jokerst; R. A. Schlising
1980-6-16
841
Butte
Near Butte Meadows, 0.1 mile south of the jct of Humboldt Rd and Skyway.
1341
Comment
SEINET11787352
Juncus leiospermus
M. S. Taylor, Ahart, L.; Jokerst, J.
1984-1
5407
Butte
ca 0.5 mi N of Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca 3 mi S of Paradise
Comment
CAS-BOT-BC110104
Juncus leiospermus var. ahartii
Lowell Ahart
1982-5-14
3434
Butte
Peter Ahart Ranch, about 2 miles north and 0.5 mile east of Honcut.
50
Comment
CHSC93494
Juncus leiospermus var. leiospermus
Lowell Ahart
2006-5-8
12603
Butte
Margins of a vernal pool where there is basalt shelfing, about 1 1/2 miles west of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
327
Comment
CHSC93497
Juncus leiospermus var. leiospermus
Lowell Ahart
2006-5-8
12585
Butte
Margins of a vernal pool where there is basalt shelfing, about 3/4 mile northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
395
Comment
JEPS110152
Juncus leiospermus var. leiospermus
Lowell Ahart
2006-5-8
12581
Butte
On the bottom of a tire track through a marshy area, about 20 yards east of Cherokee Road, about 100 yards northeast of the large unimproved parkin area, North Table Mountain, about 7 miles (air) north of Oroville
377
Comment
UC1438371
Juncus leiospermus var. leiospermus
Lowell Ahart
1978-5-2
1702
Butte
ca 7 mi n Oroville (on top of Table Mountain); Table Mountain
400
Comment
UC1564792
Juncus nevadensis
V. Oswald and L. Ahart
1989-6-27
3827
Butte
ca 3.3 mi (air) se Jonesville (Humbug Rd at Butte Creek House, along Butte Creek); Butte Creek
1767
Comment
JEPS114977
Juncus occidentalis
Lowell Ahart
2008-6-13
14816
Butte
East side of a small meadow, bottom of an old gold mined area, about 150 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville
311
Comment
CHSC11959
Juncus orthophyllus
E. B. Copeland
1929-7-16
347
Butte
Jonesville. In marsh.
1550
Comment
CHSC49621
Juncus orthophyllus
Vernon Oswald
1987-7-16
3130
Butte
Coon Creek just w of Bull Hill Rd. (Skyway), between Inskip and Butte Meadows. On the edge of the creek where it crosses meadow.
1539
Comment
JEPS98491
Juncus orthophyllus
Lowell Ahart
2000-6-17
8484
Butte
2 mi S of Paradise (about 1/4 mi NE of Kunkle Reservoir, E of the Pentz Magalia Road)
548
Comment
UC600811
Juncus orthophyllus
H. F. Copeland
1930-7-28
1371
Butte
near Butte Creek House (Government Trail, neighborhood of Jonesville); Jonesville
1828
Comment
CHSC57160
Juncus oxymeris
L. P. Janeway
1988-6-14
2763
Butte
Northwest side of canyon of Little Chico Creek, ca 2 air mi south of Ten Mile House.
259
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
JEPS98992
Juncus patens
Lowell Ahart
2001-7-6
8881
Butte
West of a large pond, large overflow area on the east side of the Sacramento River, NW of Parrott Landing, about 1 mile SE of Ord Ferry, about 2 miles SE of Ord Bend, about 12 miles (air) SW of Chico.
32
Comment
CHSC49626
Juncus tenuis
Vernon Oswald
1987-5-12
2390
Butte
Butte Creek Reserve on the s side of Butte Creek, n of the Skyway, between Crouch Ditch dam and the double set of transmission lines. Near a dredger pond.
80
Comment
CHSC107589
Juncus triformis
Lowell Ahart
2011-7-9
17571
Butte
Southeast edge of a large open bare granite area, about 3/8 mile northeast of Little Bald Rock, about 2 miles (air) southeast of Brush Creek, about 15 miles (air) northeast of Oroville.
974
Comment
SD121516
Juncus uncialis
Lowell Ahart
1982-5-1
3401
Butte
Peter Ahart Ranch, about 2 miles north and I(c) mile east of Honcut, growing on wet bare red soil around the edges of a large vernal pool in one of the farmed fields.
Comment
CHSC49630
Juncus xiphioides
Vernon Oswald
1987-5-25
2925
Butte
Butte Creek Reserve on the se side of Butte Creek ne of Hwy 99, downstream from the dam for the Durham Mutual Ditch. On the flood plain of the creek.
68
Comment
CAS-BOT-BC236762
Keckiella breviflora
Lowell Ahart
1976-6-4
s.n.
Butte
Peter Ahart Ranch, near North Honcut Creek
45
Comment
POM202704
Keckiella breviflora subsp. glabrisepala
J. H. Morrison
s.n.
Butte
Durham.
Comment
RSA34926
Keckiella breviflora subsp. glabrisepala
A. A. Heller, H. E. Brown
1902-5-6
5471
Butte
Berry Canyon (near Clear Creek).
Comment
SEINET10547830
Keckiella breviflora subsp. glabrisepala
Mary Susan Taylor
1980-6-14
Taylor 2883
Butte
On W side of Oroville-Quincy Hwy, ca. 1 mi (2 mi by car) N of Bidwell Bar Bridge over the S fork of Feather River, ca. 7 mi S of Lake Madrone.
457
Comment
CHSC58281
Keckiella breviflora var. glabrisepala
Lowell Ahart
1992-5-9
6765
Butte
On the north side of the Thermalito Diversion Pool, Lake Oroville Recreation Area, about 2 (air) miles north of Oroville.
76
Comment
JEPS115826
Keckiella breviflora var. glabrisepala
Lowell Ahart
2009-4-26
15610
Butte
Upper Bidwell Park, on the west side of Highway 32, west of the parking area at the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico
461
Comment
CHSC37067
Keckiella lemmonii
L. Ahart
1982-9-29
3841
Butte
Along Pinkard Creek, ca. 1.5 mi n of Lost Creek Reservoir Dam, ca. 3.5 mi ne of Strawberry Valley.
1200
Comment
JEPS7915
Keckiella lemmonii
Rimo Bacigalupi with Richard Hauke
1954-7-15
4727
Butte
3.1 mi below Nimshew (between Nimshew and Centerville, along Humbug Road, on the Butte Creek canyonside)
518
Comment
NY790317
Keckiella lemmonii
C. B. Wolf
1941-7-23
11051
Butte
Northern Sierra Nevada. 0.7 mile northwest of Magalia at northwest side of Magalia Reservoir.
731.5
Comment
UCSB63914
Kelloggia galioides
Ahart, Lowell
1997-8-1
Butte
T24N, R5E, northwest 1/4 Section 18; , on the south side of the County Road, southwest of Keyser Creek, about 1 1/2 miles southeast of Bald Mountain, about 6 miles (air) northeast of Stirling City; Yellow Pine Forest
1432
Comment
CHSC51923
Kickxia elatine
L. P. Janeway; Heidi Wienert, Scott George
1988-7-27
3091
Butte
Just west of Murphy Slough and Golden State Island near Sacramento River.
38
Comment
UCD85964
Koeleria macrantha
W. R. Powell
1968-5-16
1505
Butte
1/2 mile northeast of Lake Wyandotte.
496
Comment
CHSC30528
Koeleria phleoides
N. E. H. Prouty
1980-4-28
156
Butte
Near junction of Pentz Rd. with Pentz-Magalia Hwy.
207
Comment
CHSC43864
Kumlienia hystricula
Vernon Oswald
1988-3-20
3260
Butte
Centerville flume upstream from Humbug Rd. at the s end of the tunnel.
353
Comment
CDA2619
Kyllinga brevifolia
T. C. Fuller
1962-12-7
9952
Butte
282 Chico Road, Oroville.
0
Comment
CHSC66663
Lactuca saligna
Vernon H. Oswald; Lowell Ahart
1996-7-22
8080
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Field on the W side of the levee at the SW corner of Tract 6, Sanctuary 1.
30
Comment
SEINET10474760
Lactuca scariola var. integrata
Mary Susan Taylor
1977-8-16
Taylor 1452
Butte
Butte College Campus, ca. 15 mi S of Chico. With Marc Hayes.
61
Comment
CHSC102617
Lactuca serriola
Lowell Ahart
2009-7-9
16024
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
CHSC111604
Lactuca serriola
Lowell Ahart
2012-8-10
18417
Butte
The north side of the parking area, Bidwell Mansion, Chico. Uncommon. Urban.
60
Comment
OBI15967
Lagophylla glandulosa
Robert F. Hoover
1965-10-16
9719
Butte
Deer Crk rd E of Chico
Comment
CAS-BOT-BC341293
Lagophylla glandulosa
Lowell Ahart
1977-9-20
s.n.
Butte
Peter Ahart Ranch, Honcut
50
Comment
CAS-BOT-BC341300
Lagophylla glandulosa
David D. Keck
1932-7-2
1611
Butte
6 miles NE. of Oroville. (On road to Quincy)
250
Comment
CAS-BOT-BC341305
Lagophylla glandulosa
H. M. Hall
1914-8-1
9829
Butte
Foothills near Bidwell Bar, (Mt. Ida)
Comment
HSC102686
Lamarckia aurea
J. P. Smith
2013-5-5
13700
Butte
Just west of the junction of Pentz Road with Durham-Pentz Road.
201
Comment
CHSC90199
Lamium amplexicaule
Robert Kissane
1989-4-23
18
Butte
On Moore's ranch, 2090 Oak Park Ave., Chico.
70
Comment
SEINET10497958
Lamium amplexicaule
Mary Susan Taylor
1975-3-25
Taylor 425
Butte
Chico.
Comment
CHSC33352
Lasthenia fremontii
R. M. Winchell
1980-4-23
4
Butte
N of Chico. Between Singer Creek and Cana-Pina Road.
Comment
UC1562501
Lasthenia fremontii
Barbara Ertter with Lowell Ahart
1986-4-13
5894
Butte
ca. 2 airmiles nne Honcut (between Oroville and Marysville); Peter Ahart Ranch
30
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
UCSC004638
Lasthenia glabrata subsp. glabrata
Lowell Ahart
2005-6-1
11843
Butte
T23N, R15E, Section 30, Hwy 70, east of the Plumas Co Airport, about 3 miles east of Beckwourth
1412
Comment
SD129664
Lathyrus angulatus
Barbara Ertter, Lowell Ahart
1986-4-13
5887
Butte
Ca. 2 airmiles NNE of Honcut between Oroville & Marysville, Peter Ahart Ranch (mostly used as sheep pasture)
29
Comment
JEPS88906
Lathyrus hirsutus
Lowell Ahart
1994-6-6
7311
Butte
about 3.5 mi (air) nw Oroville (n of the corral, on the n side of the bend in Cottonwood Road, about 0.25 mi w of Highway 70)
57
Comment
JEPS95616
Lathyrus hirsutus
Lowell Ahart
1994-6-6
7311
Butte
3 1/2 air miles NW of Oroville (N of the corral, on N side of the bend in Cottonwood Road, about 1/4 mi W of Hwy 70)
57
Comment
CAS-BOT-BC213346
Lathyrus jepsonii subsp. californicus
Mrs. J. H. Morrison
1932-5-1
s.n.
Butte
Durham
Comment
CHSC113653
Lathyrus latifolius
L. P. Janeway
2014-5-29
11279
Butte
Northern High Sierra Nevada. Plumas National Forest; at junction of Roads 18N18 and 19N40 (but 19N40 doesn't exist here anymore). 1.0 air-km north of top of Sunset Hill; upper slopes high above South Fork Feather River arm of Lake Oroville.
774
Comment
CHSC30799
Lathyrus nevadensis
M. S. Taylor; J. Jokerst
1980-4-18
2509
Butte
Ca. 1 mi s of Nimshew, ca. 1/4 mi e of Nimshew Rd.
609
Comment
CHSC48509
Lathyrus nevadensis var. nevadensis
Vernon Oswald
1984-4-9
1125
Butte
Feather Falls Trail, 0.75 trail mi. n of the trail head at the end of Bryant Ravine Road.
701
Comment
SEINET10452347
Lathyrus tingitanus
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4127
Butte
T20N R8E ne sec 9. Along Ponderosa Way (Big Ridge Rd), ca. 2 mi se of the jct with Oroville-Quincy Hwy, ca. 15 mi ne of Oroville. Foothill Woodland; 500 m.
500
Comment
JEPS102569
Lavatera cretica
Lowell Ahart
2001-4-19
8730
Butte
On the east side of Highway 70, about 50 yards south of Middle Honcut Road, about 3 1/4 miles (air) NW of Honcut, about 1 mile south of Oroville.
29
Comment
CAS-BOT-BC321781
Layia fremontii
Lowell Ahart
1980-4-21
2104
Butte
Honcut. Peter Ahart Ranch
50
Comment
CHSC31092
Layia fremontii
Stephen M. Turek
1980-4-14
1
Butte
Ca. 5 yds s of Humboldt Road, 1.7 mi e of E. Monte Road, 50 yds s of Highway 32, 1 mi e of Chico.
71
Comment
CHSC377
Layia platyglossa
V. Holt
1938-3-28
Butte
Near Chico.
Comment
JEPS120161
Leersia oryzoides
Lowell Ahart
2012-9-28
18459
Butte
Just east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
Comment
CDA39175
Lemna minuta
L. Ahart
2006-5-26
12639
Butte
On the south side of Sheldon Avenue at the intersection with Larkin Road, about one mile south of Gridley Road, about 2 miles (air) southeast of Gridley.
Comment
CHSC32121
Lemna minuta
L. Ahart
1975-1-9
696
Butte
In dredger pond near edge of North Honcut Creek, from Honcut go e to Dunstone Dr, stop when at s curve, then go w ca. 1/4 mi to North Honcut Creek; 2 mi n and 3 mi e of Honcut.
60
Comment
CHSC107892
Leontodon saxatilis subsp. longirostris
L. P. Janeway
2011-6-29
10410
Butte
Northern High Sierra Nevada. Along Encino Grande (Ponderosa Way) 1.0 road km west of the top of Bloomer Hill; 0.7 air km west-northwest of the top of Bloomer Hill.
820
Comment
CAS-BOT-BC88806
Lepidium campestre
Lowell Ahart
1974-8-9
s.n.
Butte
3 miles east of Coldwater Creek.
1676
Comment
CHSC48322
Lepidium didymum
Vernon Oswald
1984-5-27
1209
Butte
Sacramento River, Bidwell State Park, near the boat ramp.
39
Comment
CHSC63700
Lepidium latifolium
Lowell Ahart
1994-9-26
7548
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC34539
Lepidium nitidum
Lana L. Smith
1975-4-5
6
Butte
Ca. 0.32 km w of junction of Clark and Pentz Rds. and 1.19 km n of Fallager Creek, 17 km se of Chico.
85
Comment
SEINET11991676
Lepidium nitidum
Unknown
1984-1
9
Butte
ca 12 mi NNW of Chico, ca 4 mi N of jct of Meridian Rd & Hwy 99, along W side of Meridian Rd
61
Comment
CHSC75261
Lepidium nitidum var. nitidum
Jennifer Slater
1997-4-6
13
Butte
At the Wurlitzer addition of the Vina Plains Preserve, approx. one mile west of Highway 99.
67
Comment
CHSC106603
Lepidium strictum
L. P. Janeway
2011-4-13
10233
Butte
Sacramento Valley. Oroville; in gravel parking area at east side of Feather River Ranger District office (875 Mitchell Ave.)
59
Comment
CAS-BOT-BC273956
Leptochloa fusca subsp. fascicularis
Forman T. McLean
1921-11-25
29
Butte
Nelson
Comment
CHSC31721
Leptochloa fusca subsp. fascicularis
L. Ahart
1974-7-20
554
Butte
On margins of rice field. Peter Ahart Ranch, Honcut.
45
Comment
CHSC1276
Leptosiphon bicolor
R. Carter
1964-3-13
42
Butte
Bidwell Park, Chico, across from golf course beside building at old rifle range.
Comment
CHSC44221
Leptosiphon ciliatus
V. Oswald; L. Ahart
1988-7-13
3579
Butte
Road to High Lakes e of Philbrook Reservoir. Outcropping on the n side of the road.
1859
Comment
SBBG98248
Leptosiphon ciliatus
H. F. Copeland
1931-6-11
1530
Butte
woods above Butte Crk Meadows, Jonesville
1828
Comment
POM219474
Leptosiphon harknessii
E. B. Copeland
1931-7-1
681
Butte
Jonesville.
1500
Comment
CAS-BOT-BC123155
Leptotaenia humilis
C. C. (Mrs.) Bruce
1897-5-1
2061
Butte
Plains near Chico
Comment
CHSC31181
Lessingia nana
M. S. Taylor; R. Schlising
1980-7-5
3059
Butte
On w side of Hwy 32, ca. 0.1 mi s of Loma, up on edge of forest.
1127
Comment
SEINET10474776
Lessingia nana
Mary Susan Taylor
1980-7-6
Taylor 3059
Butte
T25N R3E se sec 10, Butte Meadows quad; on W side of Hwy 32, ca. 0.1 mi S of Loma, up on rocky open edge of Yellow Pine Forest. With R.A. Schlising.
1128
Comment
SD62327
Lessingia virgata
Willard Spence
1960-9-7
625
Butte
7 miles south of Oroville, alternate Route 40
Comment
SEINET10830261
Lewisia cantelovii
Mary Susan Taylor
1980-9-27
Taylor 3342
Butte
T23N R5E center sec 11, Pulga quad. S side of Hwy 70, at Butte-Plumas county line; exposed slab granite.
549
Comment
POM253222
Lewisia rediviva
A. A. Heller
1938-4-14
15029
Butte
Treeless summit of Table Mtn.
Comment
CHSC37670
Ligusticum californicum
M. S. Taylor
1982-8-16
4997
Butte
At seep and creek crossing rd to Bald Mt, ca. 1/4 mi sw of Bald mt, ca. 3 mi ne of Stirling City.
1645
Comment
SEINET10454495
Ligusticum grayi
Mary Susan Taylor
1978-7-18
Taylor 1679
Butte
On W side of Hwy 32 on edge of Yellow Pine Forest, in dry open area, ca. 1/4 mi N of Forest Ranch.
718
Comment
SEINET10454496
Ligusticum grayi
Mary Susan Taylor
1982-8-16
Taylor 4997
Butte
T24N R4E se/se sec 11. Pulga NW quad. At seep and creek crossing rd to Bald Mt, ca. 1/4 mi sw of Bald Mt, ca. 3 mi ne of Stirling City. Mixed Evergreen Forest; 5400 ft.
1646
Comment
CHSC31351
Limnanthes alba
P. Lynn Lester
1980-4-14
21
Butte
Ca. 3 yds e of Meridian Rd, ca. 0.1 mi n of Wookey Rd, ca. 0.9 mi s of Pine Cr, ca. 3 mi e of Hwy 99, ca. 7 mi nnw of Chico.
88
Comment
CHSC118035
Limnanthes alba subsp. alba
Daphne K. Christopher; Hannah Stevens, Lowell Ahart
2003-4-21
225
Butte
Off Hwy 99. Ahart Family Ranch along boundary on access road and edge of field
41
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
CHSC1007
Limnanthes alba subsp. versicolor
V. Holt
1942-4-25
Butte
Nimshew grade.
365
Comment
SEINET6670434
Limnanthes douglasii
Vernal Pool team 2001
2001-4-10
32
Butte
One mi. east of Rock River Mine and parking area, off Cherokee Rd., North Table Mountain, Oroville site
Comment
UCD22634
Limnanthes douglasii
Joseph Laferriere
1982-4-18
22
Butte
Table Mountain, streambank 1/2 mile east of road, 5 miles north of Oroville.
384
Comment
CHSC67541
Limnanthes douglasii subsp. rosea
James D. Jokerst; M. S. Taylor
1980-3-20
486
Butte
50 m NW of junction of Bruce Rd. and Skyway, SE side Chico.
Comment
UC869482
Limnanthes douglasii subsp. rosea
A. A. Heller
1916-3-8
12279
Butte
8 mi n Oroville (hills below Oak Belt)
Comment
CAS-BOT-BC45927
Limnanthes floccosa subsp. californica
A. A. Heller
1917-4-15
12672
Butte
Ten miles north of Chico
64
Comment
CHSC42218
Limnanthes floccosa subsp. californica
John E. Hunter
1986-3-30
39
Butte
Ca. 1 km e Chico, 50 m s Hwy. 32.
75
Comment
UC1397276
Limnanthes floccosa subsp. californica
T. Niehaus
1965-3-28
371
Butte
Table Mountains
Comment
UC1748335
Limnanthes floccosa subsp. floccosa
James D. Jokerst
1988-3-15
3046
Butte
roadside ditch adjacent to Keefer Rd., ca. 0.25 mi W of Cohasset Hwy
Comment
HSC97048
Limnophila X ludoviciana
L. Ahart
2005-8-28
12336
Butte
Rice Experiment Station, between the Main Ditch and Stine Lateral, N side of Hamilton Rd., 0.25 mi. E of Riceton Rd.
29
Comment
UCD169442
Limnophila X ludoviciana
Lowell Ahart
2005-8-28
12336
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.
28
Comment
CHSC40393
Limosella acaulis
Lowell Ahart
1985-4-20
4876
Butte
Rice field, Peter Ahart Ranch, about 2 miles north and 1/8 mile east of Honcut, about 12 miles south of Oroville.
40
Comment
UC726826
Linanthus parviflorus
A. A. Heller
1942-5-17
16473
Butte
between Cherokee and the Oregon City road
Comment
CHSC96950
Lindernia dubia var. anagallidea
Lowell Ahart
2007-7-8
14271
Butte
On the north side of North Honcut Creek, Peter Ahart Ranch, about 3/4 miles north and 2 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville.
45
Comment
CDA41688
Lindernia dubia var. anagallidea
T. C. Fuller
1976-8-1
20164
Butte
Rice Exp. Station, ca. 3 miles north of Biggs.
0
Comment
CHSC117308
Linnaea borealis var. longiflora
L. P. Janeway
2016-7-28
12122
Butte
Northern High Sierra Nevada. Plumas National Forest; along Road 21N70 0.9 road-km north of Road 21N20; above the west side of Sly Creek 1.4 air-km northeast of the upper end of Sly Creek Reservoir.
1125
Comment
CHSC42723
Linnaea borealis var. longiflora
Lowell Ahart
1987-5-22
5680
Butte
About 1/8 mile north-east of Camp 18, about 61/2 miles north-east of Feather Falls.
1219
Comment
CHSC39230
Linum bienne
M. S. Taylor; K. Tharp
1983-3-11
5226
Butte
Along Foreman Creek Rd leading to Foreman Creek Boat-In Camp on Lake Oroville, off Hwy 162, ne of Oroville.
Comment
CHSC41226
Linum bienne
J. D. Jokerst
1984-5-24
2029
Butte
Cherokee area near Campbell Flat, east of Table Mt.
Comment
RSA0080120
Linum bienne
Lowell Ahart
2011-6-5
17365
Butte
On the west edge of North 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
CHSC109570
Linum lewisii var. lewisii
L. P. Janeway
2012-6-7
10867
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
CHSC55619
Lipocarpha
L. P. Janeway
1986-10-19
1929
Butte
In rocks and sand along Butte Creek on west side of Hwy 99.
60
Comment
UC1562290
Lipocarpha micrantha
Lowell Ahart
1990-7-4
6547
Butte
about 1/2 mi sw of the Enterprise Bridge across Lake Oroville (along McCabe Creek); , McCabe Creek
243
Comment
UC398906
Listera convallarioides
E. B. Copeland
1929-7-15
355
Butte
Jonesville
1500
Comment
CHSC1649
Lithophragma affine
E. Canfield
1904-4-9
Butte
Wood adjoining Hooker Oak field.
76
Comment
CHSC50113
Lithophragma campanulatum
Vernon Oswald
1990-5-12
4205
Butte
Jonesville-Butte Creek House Trail, along the section between Scotts John Creek and Willow Creek.
1676
Comment
CHSC97401
Lithophragma glabrum
Robert Fischer
2006-6-11
1007
Butte
Butte Meadows. North-east corner of Butte County along Scotts John Road 1.5 miles north of county road 26N27 and 5.5 miles north of the Humboldt Road junction. UTM: 10634233E, 4441779N.
1752
Comment
CAS-BOT-BC317349
Lithospermum californicum
Helen M. Edwards
1917-6-6
s.n.
Butte
DeSabla.
Comment
CHSC32735
Lithospermum californicum
M. S. Taylor
1981-4-8
3511
Butte
W side of Ponderosa Way (Rim Rd, rd to Flea Valley), along Rocky Ridge, ca. 5.5 mi n of its jct with Hwy 70 at Jarbo Gap, ca. 20 air mi n of Oroville.
883
Comment
SFV3124
Lithospermum californicum
M. L. Vincent
1962-4-20
219
Butte
Sierra Nevada Paradise. Stearns Road, 0.5 miles west of Harrison Road. Roadside.
530
Comment
CHSC46952
Logfia gallica
Lowell Ahart
1978-5-15
1719
Butte
Field, Peter Ahart Ranch, about 2 miles north and 3/4 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
UC1562424
Logfia gallica
Lowell Ahart
1990-5-25
6480
Butte
about 1/8 mi nw Enterprise Bridge (e of the Enterprise Boat Launch Area, below the highwater line of Lake Oroville); Lake Oroville
271
Comment
CAS-BOT-BC342388
Logfia gallica
A. A. Heller
1915-5-17
11880
Butte
Along Chico Creek 5 miles east of Chico
Comment
HSC38061
Logfia gallica
Thomas W. Nelson, Jane P. Nelson
1976-5-10
2468
Butte
Beside SR 191 just N of its junction with SR 70
Comment
CAS-BOT-BC283387
Lolium multiflorum
A. A. Heller
1914-5-19
11420
Butte
Hills, 8 miles N of Oroville
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
CHSC29762
Lolium multiflorum
J. D. Jokerst
1980-4-21
629
Butte
Along edges of vernal streams flowing into Coal Cr. Top of North Table Mt, N of Cherokee Rd.
381
Comment
CHSC82719
Lolium multiflorum
Tara Morgan
2002-4-23
46
Butte
Along side the upper South Rim Trail (Green Gate Trail) north of the upper boundary of Upper Bidwell Park. This location is off of Highway 32 east of Chico within the Big Chico Creek Watershed near the watershed divide.
451
Comment
JEPS88228
Lolium multiflorum
Vernon H. Oswald and Lowell Ahart
1996-6-10
7734
Butte
U.S. Fish and Wildlife Service parcel btw 7 Mile Lane and Sacramento River (bank of river at n end of Riparian Sanctuary, Sacramento River Nat'l Wildlife Refuge, Llano Seco Unit); Sacramento River National Wildlife Refuge
28
Comment
UCD66074
Lolium multiflorum
M. Vincent
1964-4-9
536
Butte
Clark Rd., 5 miles south of Pearson Rd.
Comment
CAS-BOT-BC269078
Lolium perenne
John Thomas Howell
1951-6-26
27518
Butte
Big Bend Mt.
609
Comment
CAS-BOT-BC271210
Lolium temulentum
John Thomas Howell
1963-6-2
39383
Butte
Along highway near Pulga, Sierra Nevada
Comment
CHSC104821
Lolium temulentum
Lowell Ahart
2010-6-1
16761
Butte
Both sides of the Guardians Trail, about 1/8 mile west of the power lines, Upper Bidwell Park, about 1 3/4 miles (air) east of Chico.
172
Comment
JEPS108840
Lomatium caruifolium var. denticulatum
Lowell Ahart
2006-5-3
12562
Butte
Grassy area, about 50 yards south of the fence, about 1 mile northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville
391
Comment
CHSC32594
Lomatium dasycarpum subsp. tomentosum
J. D. Jokerst; R. A. Schlising, B. Banchero
1981-3-22
1265
Butte
Open grassland S of the summit of Campbell Hills.
Comment
CHSC32748
Lomatium macrocarpum
M. S. Taylor
1981-4-14
3536
Butte
Serpentine ridge between landing site and Ponderosa Way (Rim Rd, rd to Flea Valley), ca. 1/10 mi n of its jct with Concow Rd, ca. 2 mi n of Lake Concow, ca. 20 air mi n of Oroville.
1066
Comment
CDA38463
Lomatium marginatum
T. C. Fuller
1962-5-17
8710
Butte
Highway 99E at Cana Highway, ca. 10 miles northwest of Chico.
0
Comment
CHSC102185
Lomatium marginatum var. marginatum
George W. Hartwell
2009-3-19
Butte
Concow Road, 3-4 miles above Concow Reservoir on a serpentine ridge and adjacent steep, rocky hillsides burned by summer wildfire in 2008.
861
Comment
CHSC32635
Lomatium utriculatum
M. S. Taylor; L. Hanson
1981-4-2
3477
Butte
NNW of Sawmill Peak, off Jordan Hill Rd/Ponderosa Way, ca. 1 air mi ne of Magalia.
701
Comment
CHSC40435
Lomatium utriculatum
Lowell Ahart
1985-4-29
4884
Butte
Along the steep 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
CHSC42632
Lomatium utriculatum
Vernon Oswald
1986-4-29
1987
Butte
Concow Rd. 1.1 mi sw of Ponderosa Way (Rim Rd.).
853
Comment
JEPS104014
Lomatium utriculatum
Lowell Ahart
2003-4-10
10067
Butte
On the top of cliffs, on the e rim of South Table Mountain, ca 2 1/2 mi (air) n of Oroville.
332
Comment
SEINET12121859
Lomatium utriculatum
Unknown
1985-1
4976
Butte
W of Lunt Road, about 0.5 mi N of intersection of Lunt Rd & Hwy 70, N of Yankee Hill, N of Oroville
503
Comment
POM78231
Lomatium vaginatum
C. C. Bruce
1897-04
2058
Butte
Butte Creek
Comment
RSA30430
Lonicera conjugialis
A. A. Heller
1915-6-27
11046
Butte
Jonesville; Sierra Nevada.
1677
Comment
CHSC28429
Lonicera hispidula
M. S. Taylor
1979-10-5
2238
Butte
SE side of Paradise Lke, ca. 1/2 mi N of Coutolenc Rd., ca. 5 mi N of Magalia.
731
Comment
CAS-BOT-BC240683
Lonicera interrupta
Lowell Ahart
1978-6-2
s.n.
Butte
Peter Ahart Ranch, Honcut. Near Honcut Creek
50
Comment
CAS-BOT-BC241436
Lonicera involucrata var. involucrata
V. Oswald; L. Ahart
1988-7-26
3631
Butte
Snow Mt. region located ca. 6 air mi se of Jonesville
2072
Comment
UC139418
Lonicera involucrata var. involucrata
Mrs. R. M. Austin
July 1896
679
Butte
Colby
Comment
CHSC21382
Lonicera japonica
M. S. Taylor
1975-6-22
784
Butte
On SW side of furthest E bridge on California State University, Chico.
Comment
CAS-BOT-BC234842
Lonicera subspicata var. denudata
John Thomas Howell
1962-6-15
37467
Butte
Magalia
731
Comment
CAS-BOT-BC200896
Lotus
M. S. Taylor
1982-6-24
4734
Butte
Se of Flea Mt, n of Pulga, ca. 5 air mi e of Magalia
1097
Comment
CHSC869
Lotus corniculatus
D. Bower
1953-8-6
Butte
1B Llano Seco.
30
Comment
UC726261
Lotus denticulatus
A. A. Heller
1940-5-13
15616
Butte
3 mi w Chico (along State Highway 32)
Comment
CDA27215
Lotus incanus
Sterling O. Mattoon, J. Harroun
1971-5-27
Butte
Along driveway into property, James Knibbs property, Skyway, Stirling City.
0
Comment
SEINET10452000
Lotus oblongifolius var. nevadensis
Mary Susan Taylor
1978-6-24
Taylor 1640
Butte
Ernies Island, in Butte Creek, junction with Old Humboldt Road, ca. 0.5 mi W of Butte Meadows; Yellow Pine Forest.
1372
Comment
UC426913
Lotus oblongifolius var. oblongifolius
E. B. Copeland
1930-7-11
420
Butte
Jonesville
1500
Comment
SEINET10452007
Lotus purshianus
Mary Susan Taylor
1977-8-16
Taylor 1440
Butte
Abundant on both sides of Williams Road, N of its junction with Pentz Road, on Butte College Campus, ca. 15 mi S of Chico. With Marc Hayes.
61
Comment
SEINET10452014
Lotus scoparius
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4147
Butte
T20N R5E ne sec 15. Along Ponderosa Way (Big Ridge Rd), ca. 1 mi se of East Fork Canyon Creek, ca. 14 mi ne of Oroville. Foothill Woodland; 575 m.
575
Comment
UC555524
Lotus stipularis var. ottleyi
Herbert L. Mason
1927-5-10
3711
Butte
ne of Oroville (Cherokee Mine); Table Mt.
Comment
SEINET10874145
Lotus strigosus
Lowell Ahart
1985-5-31
Ahart 5034
Butte
Lake Oroville, 1/8 mile east of the Enterprise Launch Area, about 1/2 mile west of the Enter- prise Bridge across Lake Oroville, north-east of Oroville.
Comment
SEINET10874146
Lotus strigosus
Lowell Ahart
1983-5-28
Ahart 4021
Butte
Along trail to Feather Falls, ca. 5 mi n of the town of Feather Falls. Yellow Pine Forest; 600 m.
600
Comment
CDA27344
Lotus wrangelianus
T. C. Fuller
1958-4-15
Butte
Highway 99E, 4 miles northwest of Oroville.
0
Comment
CHSC76002
Ludwigia palustris
Lowell Ahart
1999-8-22
8186
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
UC204453
Ludwigia palustris
A. A. Heller
1914-8-13
11683
Butte
hills 8 mi. n. Oroville
Comment
CHSC25320
Ludwigia peploides subsp. peploides
Hayes; Warner, Schlising
1977-8-23
46
Butte
Found in canal at Gray Lodge State Wildlife Refuge.
50
Comment
JEPS109763
Lunaria annua
Dean W. Taylor
2005-7-15
19411 B
Butte
Stirling City, dirt logging road in Long Ravine ca. 1 mile N from County Road 61
960
Comment
RSA0065261
Lupinus adsurgens
Daisie Huang
2006-8-3
06080302
Butte
Skyway Rd. north of Stirling City.
Comment
CHSC41451
Lupinus albicaulis
Lowell Ahart
1986-7-2
5338
Butte
In clear cut forest, north of the dirt road, about 1/2 mile south-west of Bald Mountain, about 4 1/2 miles north-east of Stirling City.
1615
Comment
SBBG29098
Lupinus albicaulis
E. B. Copeland
1929-7-17
Butte
above Jonesville
609
Comment
RSA31851
Lupinus albicaulis subsp. purpurascens
A. A. Heller
1941-5-22
16138
Butte
About a half mile west of Jarboe Pass on state Highway #24.
Comment
SEINET12161341
Lupinus albifrons
T. E. Lewis
1978-1
5
Butte
on Magalia Hwy, E side of rd ca 50 m S of Pent Rd jct, ca 11km S of Paradise
270
Comment
UC392199
Lupinus arbustus
E. B. Copeland
1929-7-24
Butte
Jonesville
1600
Comment
SEINET5767544
Lupinus arbustus subsp. silvicola
E. B. Copeland
1930-1
s.n.
Butte
Jonesville
1600
Comment
CAS-BOT-BC8537
Lupinus caeruleus
Amos Arthur Heller
1940-4-28
15561
Butte
Between the Radio Station and Hooker Oak, east of Chico
Comment
POM27146
Lupinus latifolius subsp. longipes
C. C. Bruce
1898-05
2455
Butte
Paradise.
Comment
CDA27451
Lupinus latifolius var. columbianus
T. C. Fuller
1962-7-12
9173
Butte
2 miles east of Butte Meadows.
0
Comment
CHSC25006
Lupinus lepidus var. sellulus
E. B. Copeland
1929-7-17
377
Butte
Above Jonesville.
2000
Comment
CHSC81268
Lupinus microcarpus var. densiflorus
J. Trizzino
2001-4-24
49
Butte
Yahi Trail off Wildwood Road in Upper Bidwell Park, about 3/8 mi from trailhead. Along Big Chico Creek.
91
Comment
SFV11545
Lupinus microcarpus var. microcarpus
M. L. Vincent
1963-6-6
371
Butte
Nelson Bar Road at PGE.
300
Comment
CHSC34691
Lupinus nanus
M. S. Taylor
1981-5-14
3717
Butte
N side of 23N00.2, 2.5 mi sw of Merrimac on Oroville-Quincy Hwy.
975
Comment
CHSC90370
Lupinus nanus
Joseph Silveira
1982-4-17
5
Butte
65 m ene of Horseshoe Lake and 80 m n of Big Chico Creek, 4 km ne of Chico.
190
Comment
UCD108989
Lupinus nanus
A. A. Heller
1913-3-9
10685
Butte
hills two miles north of Oroville.
91
Comment
UC725745
Lupinus nanus
A. A. Heller
1939-3-23
15355
Butte
Berkeley Olive Orchard
Comment
UCD109079
Lupinus nanus
P. B. Kennedy
1914-5-8
4764
Butte
Grade to Paradise.
Comment
RSA695519
Lupinus pachylobus
L. Ahart
2003-4-8
10050
Butte
About 1/8 mi NW of the iron gate and fence, NW of Cherokee Rd, North Table mountain, about 7 mi (air) N of Oroville.
327
Comment
POM253157
Lupinus pachylobus
A. A. Heller
1938-4-7
15038
Butte
Salmon Hole, east of Chico.
Comment
RSA0003499
Lupinus quercetorum
A. A. Heller
1938-4-3
15010
Butte
Roadside 1.5 miles below Cherokee
Comment
POM23591
Lupinus subvexus var. transmontanus
C. C. Bruce
s.n.
Butte
Butte
Comment
CAS-BOT-BC329275
Lupinus vallicola
Lowell Ahart
1980-5-25
2347
Butte
Sierra Nevada. Along Ponderosa Way.
500
Comment
SEINET10452167
Lupinus vallicola
Mary Susan Taylor
1981-5-5
Taylor 3601
Butte
T20N R6E se/nw sec 31. Forbestown quad. E side of Lumpkin-LaPorte Rd, 1 mi N of Enterprise Bridge over South Fork of the Feather River, ca. 10 air mi E of Oroville. Oepn grassy area surrounded by Woodland; 1500 ft.
457
Comment
SEINET10874126
Lupinus vallicola
Mary Susan Taylor
1974-3-26
Taylor 95
Butte
Ca. 1 mi E of Old City Dump, on Humboldt Rd, ca. 3 mi E of Chico; soil wet, rocky clay.
Comment
SEINET10491007
Lupinus vallicola subsp. vallicola
Taylor
1981-5-14
Taylor 3717
Butte
Pulga se quad. N side of 23noo.2, 2.5 mi sw of merrimac on oroville-quincy Hwy. Corolla blue and white. Yellow pine forest. Associates: lathyrus Sulphureus, galium bolanderi, arbutus menziesii.
975
Comment
SEINET10870614
Lupinus vallicola subsp. vallicola
Parker
1981-4-21
Parker 10
Butte
Corolla bright blue, with pale spot on banner. Large population, ca 5 mi s of Pentz rd, 9.0 km e of hwy 70, ca 17 km ssw of paradise. Road drainage area. Soil a sandy gravel overlying rock.
160
Comment
CHSC52708
Luzula cascadensis
L. P. Janeway
1987-7-5
2441
Butte
0.4 mi E of a spur road from the Concow Road, which is 1.0 mi SW of Jones Meadow. Meadow.
1798
Comment
UC600797
Luzula comosa
H. F. Copeland
1929-6-11
1244
Butte
Jonesville Jonesville (in swamp)
1524
Comment
UCD111665
Luzula comosa
Christopher Mallek
2008-1
HW2- 19
Butte
Magalia.
756
Comment
HSC95781
Luzula comosa
Jim Jokerst, Robert A. Schlising, L. Ahart
1982-5-8
1563
Butte
2.5 mi E of Forbestown along rd. to Forbestown reservoir, just S of creek
Comment
JEPS121922
Luzula comosa var. comosa
Lowell Ahart
2014-7-10
19634
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
CHSC113425
Luzula comosa var. laxa
Lowell Ahart
2014-7-7
19573
Butte
South of the intersection of Humbug Road and Philbrook Road, about 2 miles (air) northwest of Philbrook Reservoir.
1597
Comment
CHSC53714
Luzula macrantha
L. P. Janeway
1988-7-2
2948
Butte
At upper reach of Brush Creek, ca 1/5 mi S of 'town' of Brush Creek.
952
Comment
UC1609080
Luzula parviflora
Lowell Ahart
1993-6-26
7011
Butte
about 1/4 mi w of Lost Creek Reservoir (n of dirt road)
1036
Comment
UC1191829
Lycopus americanus
Herbert L. Mason and Verne Grant
1946-8-14
13025
Butte
canal near big pond on Sacramento Outing Club
Comment
CHSC1028
Lythrum hyssopifolia
D. Bower
1953-7-9
Butte
3A Llano Seco.
30
Comment
JEPS115254
Lythrum hyssopifolia
Lowell Ahart
2009-6-30
15960
Butte
West of the Guardian Rock Trail, about 10 yards northwest of Pine Trail, about 3/8 mile (air) southwest of the intersection of Ten Mile House Road and Highway 32, Upper Bidwell Park, about 10 miles northeast of Chico
398
Comment
SEINET10452839
Lythrum hyssopifolia
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4132
Butte
T20N R5E sw sec 10. Along Ponderosa Way (Big Ridge Rd), ca. 0.5 mi w of the East Fork Canyon Creek, ca. 14 mi ne of Oroville. Foothill Woodland; 500 m.
500
Comment
CDA5124
Lythrum salicaria
L. Ahart
2000-7-2
8551
Butte
On the east side of Highway 70, a little north of Garden Drive, north of Thermalito, about 1 1/2 miles north of Oroville.
Comment
SD5627
Madia bolanderi
E. B. Copeland
1930-8-4
Butte
Jonesville
1500
Comment
CAS-BOT-BC342710
Madia elegans
Lowell Ahart
1982-6-4
3543
Butte
1 1/2 miles east of Camp 18, about 8 miles east of Feather Falls
1000
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
CHSC43198
Madia elegans
Robert Banchero
1981-7-17
586
Butte
Along Concow Rd n end of Concow Res.
621
Comment
CAS-BOT-BC342715
Madia elegans
David D. Keck; J. Clausen
1935-6-25
3777
Butte
1.5 mi. S. of Flea Valley (ca. 3 mi. S. of Rag Dump)
975
Comment
CAS-BOT-BC342725
Madia elegans
H. E. Brown
1897-4-15
196
Butte
Collected near Clear Creek
Comment
UCR219267
Madia elegans subsp. densifolia
George K. Helmkamp, E. A. Helmkamp
2009-9-5
15586
Butte
Sacramento Valley, Lower Honcut Road, 0.9 rd. mi. west of Honcut, 7.8 mi. SE (111 deg. ) of Gridley
34
Comment
CHSC46552
Madia elegans subsp. elegans
Vernon H. Oswald
1989-7-18
3861
Butte
Hwy 32 north of Forest Ranch, slightly north of Headwaters Rd. Roadside.
871
Comment
CHSC62714
Madia elegans subsp. elegans
L. P. Janeway
1993-6-3
4370
Butte
Plumas National Forest. South end of Swayne Hill, along the road to Big Bar Mtn (23N28).
731
Comment
JEPS104323
Madia elegans subsp. elegans
Lowell Ahart
2003-6-30
10321
Butte
North of the small stream, on the e side of Ponderosa Way, ca 2 1/2 mi (by road) sw of the Ponderosa Dam, ca 2 mi (air) nw of Forbestown.
578
Comment
CHSC115156
Madia exigua
Lowell Ahart
2015-6-6
20201
Butte
Between the road and the dry stream, about 5 yards north of the dirt road, about 5/8 mile northwest of the iron gate along Cherokee Road, Beatson Hollow, North Table Mountain, about 7 miles (air) north of Oroville.
304
Comment
CHSC40481
Madia exigua
Lowell Ahart
1985-5-15
4986
Butte
Ridge, east of the dirt road, about 1 1/2 miles north-east of Concow Res.
731
Comment
CHSC96962
Madia exigua
Lowell Ahart
2007-6-12
14071
Butte
Along swales, in a large bare granite opening (about an acre in size), northeast of Little Bald Rock, about 300 yards east of Bean Creek Road, about 16 miles (air) northeast of Oroville.
1009
Comment
HSC96907
Madia exigua
L. Ahart
2006-6-9
12650
Butte
E side of Bardees Bar Rd., S of the small stream, about 1/4 mi. SW of the poor bridge scross the N Fork of the Feather River at Bardees Bar, about 2 3/4 mi. (air) SW of Pulga
404
Comment
SEINET10971183
Madia glomerata
Mary Susan Taylor
1977-8-17
Taylor 1456
Butte
Abundant on E side of Humboldt Road, in thin, dry rocky soil, open area in Yellow Pine Forest, ca. 4.5 mi NE of Butte Meadows turnoff from Hwy 32.
1326
Comment
CAS-BOT-BC342967
Madia gracilis
Lowell Ahart
1985-5-31
5035
Butte
About 25 feet below the high water line of Lake Oroville, 1/8 mile east of the Enterprise Launch Area, about 1/2 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville
274
Comment
CHSC38380
Madia subspicata
Vernon Oswald
1983-4-25
383
Butte
Upper Bidwell Park, Chico, on the north rim at the level of the e end of Horseshoe Lake.
152
Comment
CHSC43625
Madia subspicata
Vernon Oswald
1985-5-1
1736
Butte
Upper Bidwell Park, Chico, along Yahi Trail just e of Parking Area R.
228
Comment
UC2026881
Magnolia
Lowell Ahart, John Dittes, Josephine Guardino
2012-4-6
17810
Butte
On the north side of Big Chico Creek, Lost Park in Bidwell Park, City of Chico.
Comment
CHSC28499
Maianthemum racemosum
M. S. Taylor; J. Jokerst
1979-7-21
2152
Butte
Along trail below Humboldt Peak, on Humboldt Summit.
2154
Comment
CAS-BOT-BC510729
Maianthemum racemosum subsp. amplexicaule
E. B. Copeland
1931-6-16
616
Butte
Jonesville at 'the Summit
640
Comment
CDA13274
Malacothrix floccifera
G. F. Hrusa, T. D. Wilfred
1996-7-9
13122
Butte
Plumas National Forest; N ridge above Jordan Creek. Nr. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp.
Comment
CHSC84639
Malus sylvestris
Bryan Gabbard
2002-4-30
56
Butte
Paradise Lake. Found two feet from the water's edge next to the path.
Comment
CHSC1036
Malva neglecta
F. Johnson
1937-6-4
Butte
Near Chico.
57
Comment
CHSC29975
Malva nicaeensis
Lowell Ahart
1980-5-14
2267
Butte
Peter Ahart Ranch, ca 1.5 mi N and 1 mi E of Honcut.
15
Comment
CDA38815
Malva parviflora
L. Ahart
2012-4-6
17815
Butte
On the north side of Big Chico Creek, Lost Park in Bidwell park, city of Chico.
Comment
POM68435
Marah fabacea
C. C. Bruce
1897-05
s.n.
Butte
Big Chico.
Comment
RSA157758
Marah fabacea
I. L. Wiggins
1925-3-22
1468
Butte
Chico Creek Canyon about 5 miles above Chico.
Comment
CHSC8557
Marah fabacea var. agrestis
M. MacArthur
1968-6-18
211
Butte
E side Big Chico Creek and just S of bridge by PSA bld., Chico State College.
60
Comment
CAS-BOT-BC67813
Marsilea vestita
Lowell Ahart
1981-8-31
3059
Butte
Sierra Nevada - Wyandotte Lake, E of Oroville
450
Comment
CHSC30714
Marsilea vestita
M. S. Taylor
1980-7-6
3051
Butte
Ca. 1 mi e of Meridian Rd, ca. 1.25 mi ne of its jct with Hwy 99, ca. 8 mi n of Chico.
67
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
JEPS117721
Marsilea vestita subsp. vestita
Lowell Ahart
2010-6-20
16821
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
CHSC11385
Matricaria discoidea
Lowell Ahart
1971-4-13
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC389
Matricaria discoidea
B. Richardson
1929-4-16
Butte
CSC Campus.
54
Comment
RSA144587
Meconella californica
W. R. Ernst
1958-3-27
215
Butte
Slopes above Butte Creek Bridge on the Honeyrun road to Paradise (east of Chico)
152
Comment
SEINET12089314
Meconella californica
Unknown
1978-1
5
Butte
ca 900 ft E of Big Chico Creek, ca 1200 ft NE of jct of Humbug and Honey Run Rds, 6.4 mi ESE of
146
Comment
SEINET12155168
Medicago hispida
P. L. Ricker
1912-1
3965
Butte
Chico
Comment
CHSC111369
Medicago lupulina
Lowell Ahart
2012-5-14
18062
Butte
Planted area between sidewalk and Vallombrosa Avenue, west of Manzanita Avenue, just west of the bridge across Big Chico Creek, Lower Bidwell Park,Chico.
79
Comment
CHSC76418
Medicago lupulina
Lowell Ahart
1999-10-28
8315
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
JEPS119755
Medicago lupulina
Lowell Ahart
2012-5-14
18062
Butte
Planted area between sidewalk and Vallombrosa Avenue, west of Manzanita Avenue, just west of the bridge across Big Chico Creek, Lower Bidwell Park, Chico.
Comment
CHSC103684
Medicago polymorpha
Lowell Ahart
2010-4-30
16589
Butte
Area of erosion control, disk golf area, on a ridge about 200 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
369
Comment
CHSC40606
Medicago polymorpha
Ahart; Jokerst
1985-3-24
4858
Butte
West of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill.
550
Comment
CHSC44500
Medicago praecox
Lowell Ahart
1988-5-8
5983
Butte
Near North Honcut Creek, Peter Ahart Ranch, about 1 1/4 miles north and 3 miles east of Honcut about 12 miles south-east of Oroville.
60
Comment
JEPS94773
Medicago praecox
Lowell Ahart
1998-4-8
7947
Butte
1/4 mi ne of Oroville (w of dirt road, 1/10 mi n of the Thermalito Diversion Dam, e of the Thermalito Diversion Pool)
67
Comment
CHSC92670
Melica aristata
L. P. Janeway
2005-6-26
8440
Butte
Northern High Sierra Nevada. In young timber plantation along Road 24N13 at Plumas County line; ridge between Lockerman Creek and Cedar Creek.
1305
Comment
CAS-BOT-BC269390
Melica californica
John Thomas Howell
1962-6-15
37494
Butte
Magalia
731
Comment
CHSC67412
Melica californica
James D. Jokerst; R. A. Schlising
1985-4-8
2218
Butte
Serpentine Point W of and adjacent to Hwy. 70 ca. 0.5 mi S of Lunt Rd.
548
Comment
CHSC86530
Melica californica
L. P. Janeway
2003-5-7
7777
Butte
Northern Sierra Nevada Foothills. Kelly Ridge between Lake Oroville Visitors Center and south end of Oroville Dam.
329
Comment
UCD80578
Melica californica
CNPS SN Foothill Team
2005-3-29
SNFN 0026 a
Butte
CDFG North Table Mountain Wildlife Area, near the eastern boundary of the Table Mt. Ecological Reserve.
356
Comment
UCD86412
Melica californica
Mrs. R. M. Austin
1896-5-1
52
Butte
Little Chico Creek.
Comment
JEPS117931
Melica californica var. nevadensis
L. P. Janeway
2008-4-2
9250
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
RSA585117
Melica fugax
H. F. Copeland
1929-6-12
1210
Butte
Jonesville.
1524
Comment
CHSC36067
Melica geyeri
J. D. Jokerst; R. A. Schlising
1982-6-4
1586
Butte
N of Concow Basin.
853
Comment
CHSC39278
Melica harfordii
Lowell Ahart
1983-7-29
4231
Butte
Along the dirt road, about 1/4 mile west of Milsap Bar, about 25 miles north-east of Oroville.
500
Comment
UC398888
Melica subulata
E. B. Copeland
1929-7-16
338
Butte
Jonesville
Comment
CDA42903
Melissa officinalis
L. Ahart
2012-6-14
18195
Butte
Dry high bank on the north side of Big Chico Creek, west of the foot bridge across Big Chico Creek, about 100 yards east of Mangrove Avenue, Annie's Glen, Lower Bidwell Park, Chico.
Comment
SEINET10498159
Mentha arvensis
Mary Susan Taylor
1975-10-4
Taylor 957
Butte
E side of Kunkle Reservoir, ca. 1/4 mi E of Pentz-Magalia Hwy, ca. 1 mi S of Paradise; open to sun.
610
Comment
CHSC31791
Mentha canadensis
L. Ahart
1978-8-30
1802
Butte
Peter Ahart Ranch, Honcut. Along edges of North Honcut Creek.
50
Comment
CHSC78254
Mentha pulegium
Lowell Ahart
2000-7-17
8593
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.
51
Comment
JEPS102335
Mentha pulegium
Lowell Ahart
2001-6-1
8746
Butte
5 air miles SW of Oroville (S side of access road to boat ramp at margin of the Thermalito Afterbay, W of Larkin Rd, 1 1/4 mi S of Oroville Airport)
42
Comment
JEPS95864
Mentha pulegium
Lowell Ahart
1999-8-13
8164
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
RSA716403
Mentha spicata var. spicata
L. Ahart
2005-8-19
12334
Butte
East side of North Honcut Creek, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
50
Comment
UC203850
Mentzelia laevicaulis var. laevicaulis
A. A. Heller
1914-8-13
11682
Butte
9 mi se Chico (Low volcanic hills, below the Quercus Douglasii belt.)
Comment
CHSC6643
Metasequoia glyptostroboides
M. MacArthur
1968-4-16
354
Butte
Ca. 40 ft. NE of Big Chico Creek, near Dining Hall, Chico State College campus.
60
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
CHSC392
Micropus californicus var. californicus
E. Canfield
1904-5-7
Butte
Hooker Oak field.
76
Comment
CHSC46960
Micropus californicus var. californicus
Lowell Ahart
1974-4-7
359
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 1/4 miles east of Honcut, about 12 miles south of Oroville.
36
Comment
CAS-BOT-BC348462
Micropus californicus var. californicus
Peter H. Raven
1953-5-9
5453
Butte
3.3 miles from Bangor on road to Oroville
Comment
UCD80103
Microseris acuminata
CNPS SN Foothill Team
2005-4-15
SNFN 0081 b
Butte
City of Chico, Doe Mill Meadowfoam Preserve, ~50 m from the western boundary and ~70 m from the northern boundary.
85
Comment
CAS-BOT-BC348702
Microseris acuminata
John Thomas Howell
1976-4-2
51546
Butte
About 2 miles southeast of Chico
60
Comment
SEINET10496808
Microsteris gracilis
Mary Susan Taylor
1981-3-16
Taylor 3412
Butte
T21N R4E southcenter sec 16; Cherokee q. E side of Truex Rd, ca. 0.5 mi s of its jct with Hwy 70, ca. 7 mi n of Oroville. Foothill Woodland; 1000 ft.
305
Comment
SEINET10837198
Microsteris gracilis
Mary Susan Taylor
1975-3-10
Taylor 409
Butte
Honey Run Covered Bridge, along Butte Creek, from bridge, on bluffs (S side) down to creek and along creek, returning to bridge; ca. 8 mi E of Chico. Riparian Woodland and Foothill Woodland.
152
Comment
RSA715721
Microsteris gracilis subsp. gracilis
L. P. Janeway
2005-3-1
8337
Butte
Cascade Range Foothills. East edge of city of Chico; north side of Humboldt Rd. 1.8 km northeast of Bruce Road.
134
Comment
SEINET10570404
Mimulus
Mary Susan Taylor
1979-8-4
Taylor 2177
Butte
T23N R5E center of S border sec. 22/27. Ca. 1 mi N of Cresta Powerhouse on Hwy 70, ca. 30 mi N of Oroville; granitic soils.
488
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
JEPS119873
Mimulus aurantiacus var. grandiflorus
Lowell Ahart
2012-6-2
18128
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
POM173673
Mimulus breweri
H. F. Copeland
1928-8-17
958
Butte
Jonesville.
Comment
SEINET12319568
Mimulus cardinalis
J. P. Kroessig
1977-1
21
Butte
along E bank of West Branch Feather River, ca 13 km WNW of Paradise
488
Comment
UCD89439
Mimulus filicifolius
Jason Sexton
2010-5-22
3
Butte
East of Oroville, Big Bald Rock area.
932
Comment
RSA0087957
Mimulus glaucescens
Christopher T. Ivey
2013-5-9
379
Butte
Platte Mountain.Above W branch of Butte Creek. About 1.5 km S of Hwy 32/Carpenter Ridge Rd. intersection along old logging road.
880
Comment
RSA0087958
Mimulus glaucescens
Christopher T. Ivey
2013-5-9
378
Butte
Paradise Lake, SE margin of lake, about 0.5 km along footpath from parking lot at end of Lucretia Rd.
780
Comment
RSA795591
Mimulus glaucescens
Christopher T. Ivey
2010-6-7
375
Butte
Honey Run Road, 3.5 km northeast of bridge crossing Butte Creek, in roadside ditch.
165
Comment
SEINET12318322
Mimulus glaucescens
K. D. Johnson
1978-1
20
Butte
along Cohasset Rd toward Cohasset, 9 road mi N of East Ave, intersection in Chico
366
Comment
POM43708
Mimulus guttatus
C. C. Bruce
1897-02
2105
Butte
Little Chico.
Comment
RSA256661
Mimulus kelloggii
Dave Knorr
1974-4-20
137
Butte
On Oroville's Table Mtn, near Cherokee Rd.
Comment
JEPS108561
Mimulus mephiticus
L. P. Janeway
2005-6-26
8439
Butte
Northern High Sierra Nevada. In young timber plantation along Road 24N13 at Plumas County line; ridge between Lockerman Creek and Cedar Creek
1305
Comment
CDA41843
Mimulus moschatus
S. E. Schoenig
1998-7-5
98 -77
Butte
East roadside of Highway 32, ca. 1 mile northeast of road Forest Ranch.
Comment
CHSC31022
Mimulus moschatus
M. S. Taylor
1980-10-6
3361
Butte
S side of Hwy 70, ca. 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
CHSC42965
Mimulus moschatus
Lowell Ahart
1987-7-3
5786
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC64052
Mimulus moschatus
S. C. Morey
1984-8-4
709
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows.
1292
Comment
POM298033
Mimulus moschatus var. longiflorus
A. A. Heller
1917-7-26
12829
Butte
Butte Meadows.
1280
Comment
POM193346
Mimulus primuloides var. pilosellus
E. B. Copeland
1930-7-15
460 -A
Butte
Jonesville.
1500
Comment
UCD122938
Mimulus torreyi
P. Rodriguez-Rojo; D. Sanchez-Mata
1997-8-16
s.n.
Butte
Magalia. Westside Magalia Res.
310
Comment
SDSU10802
Mimulus tricolor
Scott McMillan
1992-4-11
11 IV92B
Butte
The pool was under a electrical tower north of Upper Park Road, in Upper Bidwell Park, Chico.
78
Comment
RSA535804
Mimulus tricolor
David M. Thompson, L. Ahart
1988-3-22
849
Butte
N of Honcut. Peter Ahart Ranch (entrance 1.2 mi N of Honcut store along Ahart Road.) 1 mi E of ranch gate, then 0.5 mi N.
35
Comment
SEINET11930245
Minuartia californica
D. G. Bendix
1978-1
3
Butte
5 m NE Skyway bridge over Butte Creek, 4.5 km ESE Chico
Comment
CHSC93501
Minuartia cismontana
Lowell Ahart
2006-5-8
12591
Butte
About 200 yards south of the three Gray Pines on the rim of Coal Canyon, about 1 3/4 miles northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
347
Comment
POM219016
Mitella pentandra
E. B. Copeland
1930-6-24
644
Butte
Jonesville.
1500
Comment
CAS-BOT-BC22742
Moenchia erecta
Lowell Ahart
1980-5-4
2192
Butte
East of Oak Grove Cemetary, ca 3/4 miles SE of Hurlton
600
Comment
JEPS114588
Moenchia erecta subsp. erecta
Lowell Ahart
2008-5-30
14800
Butte
Mowed parking area at the cemetery, about 300 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville
331
Comment
CHSC83087
Mollugo verticillata
Lowell Ahart
2002-10-17
9983
Butte
On the gentle hills below the high water line of Lake Oroville, about 1 1/2 miles south of Highway 162 (Oroville Quincy Highway), about 3 miles (air) northeast of Oroville Dam.
227
Comment
JEPS29837
Mollugo verticillata
Rimo Bacigalupi and L. R. Heckard
1962-6-1
8581
Butte
road to Centerville (about 200 ft e of its inception at the Paradise Road Junction)
60
Comment
UC204576
Mollugo verticillata
A. A. Heller
1914-6-2
11473
Butte
land 8 mi n of Oroville
Comment
UCD99635
Mollugo verticillata
Richard R. Halse
2006-8-2
6979
Butte
Chico; in the Lindo Channel Greenway where it crosses under Mangrove Ave.
92
Comment
RSA719715
Monardella odoratissima
Michael A. Vincent, K. Levings
2006-7-29
12896
Butte
NE of Chico along Rt. 32.
Comment
CHSC105819
Monardella odoratissima subsp. pallida
Lowell Ahart
2010-9-28
17247
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
CHSC52037
Monardella odoratissima subsp. pallida
B. Castro; L. P. Janeway, R. A. Schlising
1988-7-23
279
Butte
W edge of Scotts John Rd 1.7 mi n. of its jct with Humbug/ Humboldt Rd, in open flat overlooking Scotts John Ck.
1828
Comment
UC525885
Monardella odoratissima subsp. pallida
H. F. Copeland
1932-8-17
Butte
The Summit Jonesville
2000
Comment
SD6870
Monardella odoratissima subsp. pallida
unknown
1882-7-14
Butte
Sutton House
Comment
CHSC39669
Monardella sheltonii
Lowell Ahart
1983-6-21
4083
Butte
Along Bloomer Hill Rd., about 3/4 mile west of the Oroville Quincy Highway, about 15 miles north-east of Oroville. Section 6.
425
Comment
CHSC79520
Monardella sheltonii
G. F. Hrusa; T. D. Wilfred
1997-7-3
13975
Butte
Northern California. Sierra Nevada. NE side of upper end of Paradise Lake. Where last tributaries from E enter. [Lat./Long. on label is '39 52 N; 121 35 W'].
810
Comment
POM61383
Monardella sheltonii
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla.
Comment
CHSC56572
Montia chamissoi
L. P. Janeway; R. A. Schlising
1988-7-1
2928
Butte
Along meadowy creek draining the lake of southeastern-most headwaters of Butte Creek. In the creek and at dryish edges.
1935
Comment
CHSC30861
Montia fontana subsp. chondrosperma
J. D. Jokerst
1979-3-23
1156
Butte
Top of North Table Mt., ca 100 m N of the jct of the E edge of mt and Cherokee rd.
396
Comment
CHSC23717
Montia parvifolia
M. S. Taylor
1976-5-5
1114
Butte
Abundant along creek, ca. 5 ft s of Hwy 70, ca. 20 mi ne of Oroville.
Comment
SEINET10929036
Montia perfoliata
Mary Susan Taylor
1975-3-10
Taylor 380
Butte
Honey Run Covered Bridge, along Butte Creek, from bridge, on bluffs (S side) down to creek and along creek, returning to bridge; ca. 8 mi E of Chico. Riparian Woodland and Foothill Woodland.
152
Comment
CHSC109093
Morus alba
Lowell Ahart; Linnea Hanson, Susan Bazell, Josephine Guardino
2012-4-16
17859
Butte
On the south side of Big Chico Creek, east of the Deer Pen, south of Tables 11 , Lower Bidwell Park, Chico.
65
Comment
LA9645
Muhlenbergia filiformis
E. B. Copeland;
1929-7-16
339
Butte
Jonesville
1550.0
Comment
RSA585114
Muhlenbergia filiformis
H. F. Copeland
1929-6-9
1213
Butte
Jonesville.
1524
Comment
CAS-BOT-BC392248
Myosurus
John Thomas Howell
1978-4-17
s.n.
Butte
Table Mountain
381
Comment
CHSC113377
Myriophyllum spicatum
Lowell Ahart
2014-4-16
19372
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
SD9591
Myriopteris gracillima
E. B. Copeland
1929-7-13
Butte
Jonesville
1700
Comment
UC1586508
Najas gracillima
Vernon H. Oswald and Lowell Ahart
1991-8-28
4852
Butte
Rice Experiment Station on south side of Highway 162, ca 3.5 miles north-northwest of Biggs.
30
Comment
SEINET10940373
Nasturtium officinale
Mary Susan Taylor
1975-10-31
Taylor 983
Butte
Along creek, ca. 500 yds N of Pentz Rd, in Butte College Campus, ca. 12 mi S of Chico.
91
Comment
POM183145
Navarretia capillaris
H. F. Copeland
1930-7-28
1308
Butte
Neighborhood of Jonesville.
1829
Comment
POM219095
Navarretia capillaris
H. F. Copeland
1928-8-18
374
Butte
Neighborhood of Jonesville; near Butte Creek.
1524
Comment
CHSC28859
Navarretia divaricata
J. D. Jokerst; T. B. Devine
1979-5-18
462
Butte
Top of North Table Mt, ca 200 met N of jct of Cherokee Rd and E edge of Mt.
Comment
CHSC61326
Navarretia divaricata subsp. divaricata
Lowell Ahart
1993-7-29
7125
Butte
On the east side of an old water ditch for gold mining, about 1/8 mile north of the Snow Mine, about 2 1/2 miles north-east of Bald Mountain, about 6 1/2 miles north-east of Stirling City.
1676
Comment
RSA716046
Navarretia filicaulis
L. Ahart
2005-7-12
12135
Butte
On the west side of Encina Grade Road (Bloomer Hill Road), about 2 miles (air) southeast of Bloomer Hill, about 2 miles west of Oroville Quincy Highway.
624
Comment
POM74736
Navarretia filicaulis
C. C. Bruce
1898-05
2432
Butte
[No locality information provided]
Comment
CHSC36715
Navarretia heterandra
D. H. Ikeda
1981-5-11
359
Butte
Richvale vernal pools. 20 mi s of Chico on w side of Hwy. 99.
Comment
CHSC101824
Navarretia intertexta subsp. intertexta
Lowell Ahart
2009-5-23
15766
Butte
Along a small drainage, on the west side of Guardians Trail, just northwest of Pine Trail, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
381
Comment
JEPS121945
Navarretia intertexta subsp. intertexta
Lowell Ahart
2014-7-7
19597
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
UC879888
Navarretia leptalea subsp. leptalea
A. A. Heller
1917-7-26
12817
Butte
Butte Meadows
1280
Comment
CHSC4163
Navarretia leucocephala
R. Carter
1966-4-21
350
Butte
Found ca. 5 mi. NE of Oroville on top Table Mt.; 10 yds. off E side of Old Cherokee Rd., 6.55 mi. from Chico Rd., in vernal pool.
274
Comment
CHSC59336
Navarretia leucocephala
J. L. Guardino
1992-4-21
24
Butte
On Cana Pine Creek Rd., 0.5 mi sw of Hwy 99. Near vernal pool.
60
Comment
CHSC103711
Navarretia leucocephala subsp. leucocephala
Lowell Ahart
2010-5-22
16718
Butte
About 140 yards east of the fence, about 240 yards east of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
392
Comment
JEPS95867
Navarretia leucocephala subsp. leucocephala
Lowell Ahart
1999-5-21
8072
Butte
about 5 miles (air) southwest of Gridley; ; 50 yards north of Evans Reimer Road; about 7/8 mile east of Pennington Road; about 5 miles (air) southwest of Gridley
21
Comment
RSA717291
Navarretia leucocephala subsp. leucocephala
L. Ahart
2005-5-28
11818
Butte
On the south side of Nelson Avenue, east of the bridge across the Thermalito Forebay, Thermalito
67
Comment
SEINET14151956
Navarretia leucocephala subsp. leucocephala
B. Ertter, J. Strachan
1980-5-5
3256
Butte
North of house; Peter Ahart Ranch ca 1.5 mi northeast of Honcut between Oroville and Marysville.
30
Comment
JEPS117332
Navarretia pubescens
Lowell Ahart
2010-6-20
16834
Butte
About 3/8 miles 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
55
Comment
SEINET10869735
Navarretia squarrosa
Mary Susan Taylor
1978-5-7
Taylor 1593
Butte
In Valley Grassland, on E side of Williams Road, ca. 1/4 mi N of Pentz Road, on Butte College Campus, ca. 15 mi S of Chico.
30
Comment
CHSC12530
Navarretia tagetina
J. Pitts
1973-5-2
182
Butte
Ca. one eighth mi e of Clark Road on Pentz Road, s side of road.
Comment
UC196279
Navarretia viscidula
A. A. Heller
1914-5-22
11427
Butte
about 5 mi n Chico (on the Richardson Springs road)
Comment
CHSC109101
Nemophila heterophylla
Lowell Ahart
2012-3-23
17783
Butte
On the sides of the trail down to Big Chico Creek, about 50 yards west of Ten Mile House Road, about 3/4 mile west of Highway 32, about 9 miles (air) northeast of Chico.
215
Comment
CHSC694
Nemophila heterophylla
E. Hembree
1929-3-5
Butte
Salmon Hole.
152
Comment
RSA754791
Nemophila heterophylla
L. Ahart
2009-4-26
15641
Butte
South side of Guardians Trail, about 30 yards SW of Pine Trail, Upper Bidwell Park, about 3/8 air miles SW of the intersection of Hwy 32 and Ten Mile House Road, about 10 miles NE of Chico.
382
Comment
UC196272
Nemophila heterophylla
A. A. Heller
1914-5-8
11376
Butte
plateau above Clear Creek (on the Paradise Road); above Clear Creek
Comment
CHSC10833
Nemophila maculata
Lowell Ahart
1965-4-15
Butte
Swede's Flat Road.
60
Comment
CHSC113399
Nemophila spatulata
Lowell Ahart
2014-7-4
19555
Butte
Road edge on the south side of Bull Hill Road, about 2 miles south of Butte Meadows.
1341
Comment
CHSC61338
Nicotiana acuminata var. multiflora
Lowell Ahart
1993-7-22
7069
Butte
At Camp 18, about 5 (air) miles north-east of Feather Falls.
1219
Comment
CDA3526
Nymphaea odorata
G. D. Barbe
1975-6-4
2029
Butte
North side of Nelson West Road 1/4 mile east of Chico-Butte City Highway.
0
Comment
SEINET10535890
Nymphaea odorata
Mary Susan Taylor
1977-10-10
Taylor 1517
Butte
Ca. 4-5 mi S of junction of Chico-Butte Hwy and Ord Ferry Road, ca. 20 mi S of Chico, on both sides of Chico-Butte Hwy; dried up Freshwater Marsh, and slough area.
30
Comment
CHSC2491
Odontostomum hartwegii
W. Fitzwater
1958-4-19
Butte
Along Rock Cr., Chico area.
Comment
SEINET3887706
Odontostomum hartwegii
Barbara Ertter, Lowell Ahart; Jeff Strachan
1980-5-6
3283
Butte
Peter Ahart Ranch about 2 1/2 mi NNE of Honcut between Oroville & Marysville.; 0
30
Comment
CHSC93086
Olea europaea
L. P. Janeway
2006-2-5
8555
Butte
Cascade Range Foothills. Upper Bidwell Park, Chico; between North Rim Trail and the northern boundary fence, 650 m northeast of the upper high-power lines, about 50 m southeast of the fenceline.
283
Comment
CAS-BOT-BC71181
Ophioglossum californicum
Lowell Ahart
1983-1-29
3901
Butte
On the Joie Osgood Ranch, about 4 miles northeast of Honcut
85
Comment
CAS-BOT-BC71182
Ophioglossum californicum
Lowell Ahart
1984-2-18
4496
Butte
On the Joie Osgood Ranch, about 4 miles northeast of Honcut
85
Comment
CAS-BOT-BC349984
Oreostemma alpigenum var. andersonii
E. B. Copeland
1930-7-26
s.n.
Butte
Jonesville
1550
Comment
CHSC43190
Oreostemma alpigenum var. andersonii
Robert Banchero
1981-7-19
595
Butte
Butte Creek House, ca 3 air mi NE of Jonesville.
1755
Comment
RSA0087776
Orobanche fasciculata
Herbert F. Copeland
1931-6-10
1557
Butte
Jonesville. Ridge between Willow and Colby Creeks.
1676
Comment
CAS-BOT-BC500245
Orobanche uniflora subsp. occidentalis
Lowell Ahart
1979-4-17
s.n.
Butte
2.5 mi W of Bangor, 1/2 mi S of Avocado Ave. and S of teh Blue Lead Mine
100
Comment
CDA42032
Orobanche uniflora subsp. occidentalis
H. K. Wagnon
1957-4-28
712
Butte
About five miles north of Oroville on road to Cherokee.
0
Comment
CHSC61330
Orthilia secunda
Lowell Ahart
1993-7-29
7130
Butte
Small bog about 1/8 mile south-west of the Snow Mine, about 2-1/2 miles east of Bald Mountain, about 6-1/2 miles north-east of Stirling City.
1463
Comment
CAS-BOT-BC457670
Orthilia secunda
H. F. Copeland
1920-8-29
153
Butte
Jonesville woods
1219
Comment
SEINET10549690
Orthocarpus lacerus
Mary Susan Taylor
1980-5-15
Taylor 2624
Butte
T23N R2E ne sec 7. In and around vernal pools in Chaparral area on Cohasset Ridge, ca. 1/4 mi E of Cohasset Rd, ca. 9 mi NE of Chico.
396
Comment
JEPS121894
Oxalis corniculata
Lowell Ahart
2014-11-24
19920
Butte
About 10 feet below the high water line of Lake Oroville, about 500 yards east of the second parking area, old Bidwell Bar Road, about one mile south of Oroville Quincy Highway, about 8 miles (air) northeast of Oroville.
Comment
JEPS95963
Oxalis corniculata
Vernon H. Oswald
1999-5-6
9724
Butte
Bidwell Sacramento River State Park; Sacramento River; Big Chico Creek; Chico
36
Comment
CHSC84127
Oxalis laxa
Lowell Ahart
2003-4-30
10119
Butte
Between dredge tailings, where there is a brake in the levee, about 100 yards south of the Feather River, on the west side of the dirt road in the Oroville Wildlife Area, about 3/5 of a mile west of Pacific Heights Road, about 5 1/2 miles (air) southwest of Oroville.
39
Comment
CHSC27249
Oxalis rubra
P. Moyer
1972-3-18
151
Butte
CSUC campus. 2nd and Hazel, lawn.
Comment
JEPS110382
Oxypolis occidentalis
Lowell Ahart
2006-9-9
13247
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
CAS-BOT-BC334337
Packera eurycephala var. eurycephala
Lowell Ahart
1985-6-30
5089
Butte
100 yards S of the road to the Forbestown Res., S of the Forbestown Ditch, about 2.5 miles NE of Forbestown
883
Comment
UC1042339
Packera eurycephala var. lewisrosei
Lewis S. Rose
1954-5-31
54085
Butte
near Pulga; Feather River Canyon
396
Comment
UC1026483
Panicum acuminatum var. acuminatum
John Thomas Howell
1951-8-19
28157
Butte
2 mi w Pulga; Sierra Nevada, w of Pulga
365
Comment
SEINET10607444
Panicum bulbosum
A. Arthur Heller
1916-9-30
Heller 12665
Butte
Hills S miles north of Oroville in culivated ground where it occurs sparingly.
Comment
UCD89510
Panicum capillare
L. E. Hazeltine
1916-7-11
s.n.
Butte
Chico.
Comment
CHSC97686
Panicum dichotomiflorum
Lowell Ahart
2007-11-3
14562
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
RSA724812
Panicum dichotomiflorum
L. Ahart
2006-9-11
13308
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
CHSC78173
Parentucellia viscosa
Lowell Ahart
2000-6-6
8456
Butte
In a meadow 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 northeast of the cemetery, about 1 1/2 mile south of Crystal Hill, about 5 miles (air) east of Oroville Dam.
304
Comment
UC830990
Parvisedum pumilum
A. A. Heller
1914-4-27
11329
Butte
along Chico-Oroville Road on the lava plains 6 mi from Chico; Chico-Oroville Road
Comment
RSA126975
Paspalum dilatatum
H. S. Yates
1936-8-14
6128
Butte
2 miles S. S. W. of Nielson
30
Comment
CHSC50021
Pectocarya penicillata
Lowell Ahart
1990-3-28
6426
Butte
In the borrow area, about 1/4 mile south of the Feather River, about 4/10 mile west of Pacific Heights Road, about 4 1/2 miles south-west of Oroville.
30
Comment
JEPS116138
Pellaea andromedifolia
Lowell Ahart
2009-5-30
15781
Butte
About 100 yards north of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) west of Highway 32, about 10 miles northeast of Chico
269
Comment
UC399518
Pellaea andromedifolia
Mrs. R. M. Austin
1896-1
199
Butte
Iron Canyon
Comment
SEINET10529790
Pellaea andromedifolia
Mary Susan Taylor
1981-1-5
Taylor 3370
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
CHSC11794
Pellaea brachyptera
E. B. Copeland
1930-7-7
401
Butte
Jonesville.
1700
Comment
RSA4626
Pellaea brachyptera
E. B. Copeland
1930-7-7
401
Butte
Jonesville.
1700
Comment
UC1481794
Pellaea brachyptera
H. M. Hall
July 1914
9807
Butte
near Jonesville (ridges n of)
1737
Comment
UC474221
Pellaea brachyptera
H. F. Copeland
1920-5-22
231
Butte
Jonesville
2200
Comment
CAS-BOT-BC67554
Pellaea mucronata
E. B. Copeland
1899-4-1
s.n.
Butte
Chico
Comment
CHSC28881
Pellaea mucronata
M. S. Taylor
1980-2-24
2323
Butte
On the east branch of Mud Creek, ca. 1/4 mi upstream from Richardson Springs Hotel, ca. 6 mi ne of Chico.
243
Comment
SFV64
Pellaea mucronata
M. L. Vincent
1961-3-26
7
Butte
Sierra Nevada 0.5 miles north of Nelson Bar Road near P. G. & E. power building. Southeast of Paradise
300
Comment
SEINET10529806
Pellaea mucronata
Mary Susan Taylor
1980-3-19
Taylor 2391
Butte
T19N R6E sw sec 8. Macabes Creek Canyon ca. 100 ft E of Lumpkin Rd, ca. 2.5 mi N of its jct with Forbestown Road, ca. 18 mi NE of Oroville. Cool, wet Ripar ian Woodland.
396
Comment
UC474209
Pellaea mucronata var. mucronata
H. F. Copeland
March, 1926
541
Butte
near Chico (Iron Canyon)
Comment
CDA36308
Penstemon azureus
J. R. Keck Jr.
1978-5-23
PDR# 330034
Butte
Highway 70, Jarboe Gap. Near Poe Power House.
0
Comment
SEINET12320806
Penstemon azureus
M. S. Taylor
1980-1
2776
Butte
just E of Coutelence Rd at its jct with Skyway
610
Comment
UC436310
Penstemon deustus var. deustus
E. B. Copeland
1930-7-7
Butte
Jonesville
Comment
UC600438
Penstemon deustus var. deustus
H. F. Copeland
1931-6-11
Butte
Butte Creek Canyon betw Scotchjohn and Willow Crks (Jonesville); Butte Creek Canyon btw Scotchjohn and Willow Crks, Jonesvill
Comment
CHSC91461
Penstemon heterophyllus var. heterophyllus
Lowell Ahart
2005-7-12
12138
Butte
On the east side of Encina Grade Road (Bloomer Hill Road) (Forest Road 21N39), about 3/4 mile (air) south of Bloomer Hill, about 5 miles west of Oroville Quincy Highway.
733
Comment
NY601757
Penstemon heterophyllus var. purdyi
A. A. Heller
1902-5-7
5482
Butte
Berry Canyon (Near Clear Creek)
Comment
CHSC44712
Penstemon laetus var. leptosepalus
R. Banchero
1980-7-7
282
Butte
Along County Rd 0.9 mi E of the town of Feather Falls.
975
Comment
CHSC86545
Penstemon laetus var. leptosepalus
L. P. Janeway; John Hunt
2003-6-13
7826
Butte
Northern High Sierra Nevada. North side of South Fork Feather River arm of Lake Oroville, 140 m northwest of the north end of Enterprise Bridge.
287
Comment
UC454141
Penstemon laetus var. leptosepalus
Miss Kate Conger
1907-1
Butte
Brush Creek
Comment
NY604517
Penstemon laetus var. leptosepalus
F. W. Pennell
1940-6-5
25693
Butte
Route 24, along Feather River, above Pulga
457.2
Comment
CHSC49033
Penstemon neotericus
Vernon Oswald; Lowell Ahart
1987-7-1
3052
Butte
Scotts John Rd. 1.3 mi n of the road connecting Humboldt and Humbug Rds, ca. 2.5 mi ene of Jonesville. On the w side of Scotts John Creek.
1828
Comment
NY627277
Penstemon neotericus
D. D. Keck
1930-7-24
970
Butte
7 miles above Chaparral (near Humbug Summit)
1706.9
Comment
UC423641
Penstemon neotericus
David D. Keck
1930-7-24
971
Butte
near Chaparral; Sierra Nevada, near Chaparral
1645
Comment
CHSC69055
Penstemon newberryi var. newberryi
Lowell Ahart
1997-8-1
7792
Butte
On a mountain side, east of Little Kimshew Creek, east of Snow Meadow, about 1/4 mile east of Table Mountain , about 8 miles (air) northeast of Stirling City.
1524
Comment
CHSC39815
Pentagramma triangularis
Ruby Gist
1935-3-30
Butte
Fern Banks.
Comment
CHSC28417
Pentagramma triangularis subsp. semipallida
Bruce Hamren
1978-4-24
8
Butte
West Branch of Feather River.
280
Comment
CHSC34242
Pentagramma triangularis subsp. semipallida
M. S. Taylor
1981-5-7
3629 A
Butte
N side of Ponderosa Way, 0.6 mi n of Ponderosa Dam, ca. 4 air mi sw of Feather Falls.
365
Comment
CAS-BOT-BC77084
Pentagramma triangularis subsp. triangularis
Saichi Kawahara
1968-5-4
378
Butte
Paradise - James Ripley's property, Graham Road
640
Comment
CHSC113466
Perideridia lemmonii
Lowell Ahart
2014-7-13
19667
Butte
East part of a large wet meadow (some bog), about 150 yards southeast of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
CHSC94399
Perideridia lemmonii
Lowell Ahart
2006-8-15
13176
Butte
North edge of a wet area west of a large open 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
JEPS117536
Perideridia lemmonii
Lowell Ahart
2010-9-21
17212
Butte
On damp bare soil, open meadow like area in red fir forest, 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 Philbrood Reservoir
1917
Comment
CHSC37073
Persicaria lapathifolia
L. Ahart
1982-10-6
3844
Butte
Peter Ahart Ranch. Along edges of North Honcut Creek, ca. 1 mi n and e mi e of Honcut.
50
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
CAS-BOT-BC419181
Persicaria maculosa
Forman T. McLean
1921-10-1
37
Butte
Nelson
Comment
CHSC94786
Persicaria punctata
Lowell Ahart
2006-10-8
13428
Butte
Mud flat, 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
SJSU5411
Petrorhagia dubia
C. D. Duncan
1963-5-4
Butte
Honeyrun Rd between Chico & Paradise
487
Comment
CHSC103733
Phacelia cicutaria var. cicutaria
Lowell Ahart
2010-5-16
16698
Butte
About 1/2 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
608
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
CDA13303
Phacelia heterophylla subsp. virgata
G. F. Hrusa, T. D. Wilfred
1996-7-9
13151
Butte
Plumas National Forest; along USFS N60 near Marble Creek Bridge. E of Rogers Cow Camp.
Comment
CHSC38464
Phacelia imbricata
Vernon Oswald
1983-5-23
533
Butte
Upper Bidwell Park, Chico, beside Yahi Trail w of Brown's Hole.
195
Comment
UC600780
Phacelia mutabilis
H. F. Copeland
1920-7-12
477
Butte
Jonesville
Comment
SEINET10497019
Phacelia procera
Mary Susan Taylor, Lowell Ahart
1981-8-16
Taylor 4207
Butte
T25N R5E ne 1/4 sw 1/4 sec 21. Jones- ville SW quad. N side of 25N04, near upper Big Kimshew Creek, ca. 2 mi SE of Philbrook Reservoir, ca. 6 mi NE of Stirling City. Red Fir Forest. 6400 ft.
1950
Comment
CHSC30065
Phacelia purpusii
R. A. Schlising; R. Banchero
1980-6-17
3730
Butte
N of Magalia and De Sabla, along Skyway ca 1.5 mi SW of Lovelock.
780
Comment
CHSC39123
Phacelia purpusii
R. Schlising
1980-6-2
3619 a
Butte
NE of Forest Ranch along Hwy 32.
Comment
RSA21534
Phacelia purpusii
Carl B. Wolf
1937-5-17
8720
Butte
Northern Sierra Nevada. Road from De Sabla to Humboldt Road, 2.2 mi. W. of Big Butte Creek
762
Comment
CHSC38467
Phacelia tanacetifolia
Vernon Oswald
1983-3-14
181 .5
Butte
Upper Bidwell Park, Chico, on the north rim ca. 0.9 mi e of the power lines.
320
Comment
CHSC117300
Phalaris arundinacea
B. Castro; Melinda Carlson
2007-10-25
1677
Butte
(Arroyo Chico land grant area). Sacramento Valley. Confluence of Big Chico Creek and Sacramento River, W. of River Road and north of the creek with surrounding disturbed riparian forest.
39
Comment
JEPS94792
Phalaris caroliniana
Lowell Ahart
1998-6-9
7999
Butte
about 7 air mi n Oroville (about 1/2 mi nw of the ione oak tree, nw of the cow chute along Cherokee Road); North Table Mountain
396
Comment
CAS-BOT-BC259048
Phalaris lemmonii
Lowell Ahart
1979-6-2
s.n.
Butte
Peter Ahart Ranch. Honcut
50
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
UCD89175
Phalaris minor
A. A. Heller
1926-5-8
13939
Butte
Heller grounds near Chico.
Comment
CAS-BOT-BC250707
Phalaris paradoxa
A. A. Heller
1914-5-13
11391
Butte
Near Nelson
Comment
CAS-BOT-BC250867
Phleum pratense
Lowell Ahart
1985-7-24
5156
Butte
Below the high water line of the Forbestown Res., about 50 yards south of the Generator, about 4 1/2 miles north-east of Forbestown
1150
Comment
CHSC59053
Phleum pratense
Lowell Ahart
1992-8-2
6904
Butte
In Concow Meadow, about 3 (air) miles north-east of Concow Reservoir.
1097
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
POM299255
Phlox speciosa subsp. occidentalis
C. R. Quick
1941-6-8
41 -14
Butte
Big Bar Mt. Meadow
Comment
CAS-BOT-BC134915
Phoradendron bolleanum
John Thomas Howell
1955-6-14
30443
Butte
Magalia. Sierra Nevada
731
Comment
CAS-BOT-BC134920
Phoradendron bolleanum
A. A. Heller
1918-5-5
13008
Butte
Near Magalia
Comment
CHSC77448
Phoradendron densum
Laura Bogni
1997-3-25
3
Butte
Magalia grove; west side of Coutelenc Rd; 1 mi. due W of Sawmill Peak; 1/2 mi. SE of Magalia Reservoir.
701
Comment
UCD102163
Phoradendron juniperinum
E. B. Copeland
1931-7-28
627
Butte
Jonesville.
1500
Comment
CHSC23137
Phoradendron libocedri
M. S. Taylor
1976-2-22
997
Butte
Ca. w mi n of Cohasset, ca. 10 ft e of Cohasset Rd.
Comment
CHSC45303
Phoradendron libocedri
Vernon Oswald
1987-10-17
3243
Butte
Bolt Creek at a point ca. 1 mi e of Butte Meadows and 0.5 mi s of Humboldt Rd.
1341
Comment
CAS-BOT-BC141247
Phoradendron serotinum subsp. tomentosum
Lowell Ahart
1966-3-13
s.n.
Butte
Near Enterprise
304
Comment
RSA262354
Phoradendron villosum
Kathy Corson
1969-4-6
28
Butte
Upper Park Road in Big Chico Canyon, 8 miles NE of Chico.
61
Comment
CHSC33216
Phyla nodiflora var. rosea
R. E. Preston
1981-6-19
97
Butte
On bank of canal, ca. 0.8 km s of Headquarters, Gray Lodge State Wildlife Area, ca. 14.5 km ssw of Gridley.
20
Comment
CHSC31212
Physalis acutifolia
M. S. Taylor
1980-7-6
3060
Butte
On w side of Hwy 32, ca. 0.1 mi s of Loma.
1127
Comment Read comments Aug 7 2007
CDA5814
Physalis philadelphica
L. L. Heinrichs
1968-10-1
Butte
Forebay Recreational Area, Highway 70 at Garden Drive, Oroville.
0
Comment
POM90682
Physocarpus capitatus
C. C. Bruce
1898-05
1812
Butte
Butte Creek.
Comment
HSC97070
Phytolacca americana
L. Ahart
2004-9-28
11405
Butte
S side of the Oroville Chico Hwy., W of Butte Creek, 1 1/8 mi. SE of the Midway, 2 1/8 mi. NE of Durham, 3.5 mi. SE of Chico
58
Comment
CHSC28693
Pinus ponderosa
M. S. Taylor
1978-9-9
1914
Butte
On w side of Bull Run Rd, ca. 11 mi s of Butte Meadows.
1463
Comment
HSC46096
Pinus ponderosa
J. P. Smith
1973-3-22
5931
Butte
2.1 mi. E of junction with Hwy. 99 and the road to Paradise
122
Comment
CHSC54457
Piperia transversa
Vernon H. Oswald; Lowell Ahart
1991-7-15
4732
Butte
Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), just east of its junction with Oroville-Quincy Hwy, ca. 4.75 miles (air) northeast of Brush Creek.
1109
Comment
CHSC61525
Piperia transversa
Lowell Ahart
1993-6-16
6961
Butte
South-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 (air Miles south-west of Forbestown.
609
Comment
UC600638
Piperia unalascensis
H. F. Copeland
1932-7-19
Butte
Butte Creek Jonesville
1500
Comment
CAS-BOT-BC254406
Piptatherum miliaceum
Lowell Ahart
1988-5-30
6016
Butte
Near the N Fork of the Feather River, near the Poe Power House, about 2 miles SE of Jarbo Gap
274
Comment
UCD108190
Pisum sativum
Robert Kehlor
1951-5-6
42
Butte
J. M. Kehlor ranch, 6 1/4 miles east of Oroville.
Comment
SEINET10899921
Pityrogramma triangularis
Mary Susan Taylor
1981-4-5
Taylor 3483
Butte
T21N R4E se sec 2; Berry Creek quad. E side of Dark Canyon Rd, 2.2 mi s of its jct with Big Bend Rds, ca. 3 air mi s of Jarbo Gap on Hwy 70, n of Oroville. Steep rock wall; 1400 ft.
427
Comment
SEINET10834154
Pityrogramma triangularis var. semipallida
Mary Susan Taylor
1979-9-28
Taylor 2201
Butte
Butte County line at Hwy 70, between boundry and Arch Rock tunnel; granitic soils and dome outcrop.
488
Comment
CHSC103976
Plagiobothrys austiniae
Lowell Ahart
2010-5-7
16609
Butte
Area of erosion control, disk golf area, on a ridge about 200 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
369
Comment
CHSC28142
Plagiobothrys austiniae
Robert A. Schlising
1979-4-30
3383
Butte
Ca 10 mi nw of Oroville, near jct Pentz and Clark roads. At roadside.
76
Comment
UCR46079
Plagiobothrys canescens
A. A. Heller
1926-4-21
13935
Butte
Along Rock Creek, 7 mi. north of Chico
152
Comment
UCD169603
Plagiobothrys cusickii
Lowell Ahart; John Dittes
2012-7-9
18284
Butte
Ash Creek State Wildlife Area, about 5.5 miles (air) northeast of Bieber, Big Valley. About 100 yards southeast of the tall poles.
1267
Comment
SBBG128020
Plagiobothrys fulvus
L. Ahart
2010-5-16
16684
Butte
ca. 1/4 mi S of the parking area, N Table Mtn, ca. 4.5 mi NE of Oroville
371
Comment
CHSC26802
Plagiobothrys fulvus var. campestris
M. S. Taylor; M. Hayes
1978-4-14
1568
Butte
In vernal pools, on e side of Williams Rd, ca. 1/4 mi n of Pentz Rd, on Butte College campus, ca. 15 mi s of Chico.
30
Comment
CHSC43468
Plagiobothrys glyptocarpus
Lowell Ahart
1979-4-30
1853
Butte
About 1 mile northeast of the West Branch Bridge across Lake Oroville. In seeps and small streams.
365
Comment
CHSC23598
Plagiobothrys hispidulus
K. R. Stern
1974-6-30
5768
Butte
Coutelenc Road, 0.2 mi n of intersection with Skyway and ca. 1 mi n of Magalia.
Comment
CHSC114965
Plagiobothrys nothofulvus
2015-3-14
Butte
371
Comment
UC78200
Plagiobothrys stipitatus
R. M. Austin
Apr 1896
626
Butte
Adobe Swales Butte Creek
Comment
CHSC112903
Plagiobothrys stipitatus var. micranthus
B. Castro; Robin Carter
2011-4-29
1879
Butte
Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, ca 0.6 mi S of jcn of Hwys 99 and 162W, ca 0.4 mi N of Hamilton Rd.
34
Comment
CHSC31579
Plagiobothrys stipitatus var. micranthus
L. Ahart
1974-4-14
405
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC43551
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
1977-3-29
1234
Butte
In the borrow area about 5 miles south-west of Oroville.
30
Comment
CHSC84252
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2003-5-28
10229
Butte
Center of a vernal pool, about 100 feet west of Hendricks ditch, about 1 3/4 miles northwest of the iron gate and fence, northwest of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
271
Comment
UCD73012
Plagiobothrys stipitatus var. stipitatus
Ayzik Solomeshch
2003-4-9
s. n.
Butte
Wurlitzer Reserve, about 10 mi. north from Chico on Hwy 99, west side of the road.
Comment
RSA32724
Plagiobothrys tenellus
A. A. Heller
1916-4-13
12318
Butte
Stilson Canyon east of Chico
Comment
CAS-BOT-BC60825
Planodes virginica
Lowell Ahart
1989-3-20
6192
Butte
West of the intersection of Highway 70 and Lower Honcut Road, about 3 miles west of Honcut, about 13 miles S of Oroville
30
Comment
SEINET10499838
Plantago bigelovii
Lowell Ahart
1983-4-10
Ahart 3919
Butte
S of a large wash, 1/10 mi e of the large barn, ca. 1.4 mi ne of Hwy 99 and Pentz Rd jct, ca. 16 mi s of Chico. Valley Grassland; 65 m.
65
Comment
CHSC42071
Plantago coronopus
Jumilah Zakaria
1986-4-15
20
Butte
S Hwy 99, ca. 2 mi from jct with Cana Creek Road.
182
Comment
SEINET6990023
Plantago coronopus
W. P. Vestal, A. G. Vestal
1963-5-9
s.n.
Butte
About 11 miles southeast of Chico, at lower west-facing slope of lava mesas, close to hills.
Comment
JEPS104005
Plantago elongata
Lowell Ahart
2003-4-8
10032
Butte
On the high water line of a small vernal pool, ca 20 yd south of a faint poor dirt road, pasture field, ca 150 yd sw of the iron gate and fence, w of Cherokee Rd, North Table Mountain, ca 7 mi (air) n of Oroville.
348
Comment
UC195481
Plantago erecta
A. A. Heller
1914-3-21
11221
Butte
8 mi n Oroville
Comment
UCSB50205
Plantago erecta
Gray, John
1976-4-10
Butte
Along roadside; 4 miles south of Oroville on Highway 70; T19N R3E Sec. 25, SE quarter
30
Comment
CHSC116959
Plantago lanceolata
Matthew Forster
2013-5-14
Butte
Oroville spillway, off Oro Powerhouse Rd.
118
Comment
SEINET10499809
Plantago lanceolata
Lowell Ahart, Peter Ahart
1983-6-21
Ahart 4064
Butte
T20N R5E sec 5. Along Bloomer Hill Rd, ca. 1/8 mi w of Oroville-Quincy Hwy, 1.3 mi s of Berry Creek School, ne of Oroville. Foothill Woodland; 400 m.
400
Comment
CHSC66442
Plantago major
Vernon H. Oswald; Lowell Ahart
1996-6-10
7744
Butte
Sacramento River Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service Parcel between 7 Mile Lane and the Sacramento River.
28
Comment
UCD124510
Plantago major
L. E. Hazeltine
1916-6-5
s.n.
Butte
Chico.
Comment
SEINET10476447
Platanus occidentalis
Mary Susan Taylor, Vernon H. Oswald
1984-4-4
Taylor 5376
Butte
T22N R2E nw sec 25. Along Humbug Rd, ca. 0.5 mi E of Honey Run Covered Bridge, ca. 6 air mi E of Chico. Foothill Woodland/Riparian Woodland; 600 ft elev.
183
Comment
CAS-BOT-BC93159
Platanus racemosa
Lowell Ahart
1984-4-3
4535
Butte
Peter Ahart Ranch. Found growing on gravel bars along North Honcut Creek. About 1 mile north and 2.75 miles east Honcut.
50
Comment
CHSC1991
Plectritis ciliosa
M. Davidson
1929-3-23
Butte
Chico Canyon bluffs.
152
Comment
SEINET10464979
Plectritis ciliosa
Mary Susan Taylor
1975-3-10
Taylor 415
Butte
Honey Run Covered Bridge, along Butte Creek, from bridge, on bluffs (S side) down to creek and along creek, returning to bridge; ca. 8 mi E of Chico. Riparian Woodland and Foothill Woodland.
152
Comment
SEINET10840002
Plectritis ciliosa
Mary Susan Taylor
1981-4-5
Taylor 3491
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
UC105888
Pleuricospora fimbriolata
Mrs. R. M. Austin
July 1896
361
Butte
Colby
Comment
CAS-BOT-BC458153
Pleuricospora fimbriolata
Lowell Ahart
1985-7-16
5148
Butte
4 miles E of Cherry Hill, south of Willow Creek, about 100 meters SW of the Section Corner of Sections 17, 16, 20, and 21, about 4 miles E of Cherry Hill, about 7 miles NE of Butte Meadows
1828
Comment
CHSC88148
Poa bolanderi
Lowell Ahart
2004-7-23
11305
Butte
On the east side of the road, north of the West Branch Campground, south of the Bridge across the West Branch of the Feather River, about 1 1/2 miles (air) west of Philbrook Reservoir Dam, about 3 3/4 miles (air) southeast of Butte Meadows.
1456
Comment
JEPS110196
Poa bolanderi
Lowell Ahart
2006-7-16
12972
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
SEINET10934988
Poa bulbosa
Mary Susan Taylor
1982-5-2
Taylor 4386
Butte
T23N R5E ne/ne sec 6. Pulga Sw quad. Pulga serpentine outcrops on both sides of bridge across Hwy 70 at Pulga, ca. 20 mi ne of Oroville. 1600 ft.
488
Comment
CHSC76332
Poa compressa
G. F. Hrusa
1997-5-29
13798
Butte
Sierra Nevada. Slopes on N side of Sucker Run Creek, +/- 1.5 mi. SSE of Feather Falls townsite. Near creek. [Original Lat./Long. on label is '39 34 N; 121 14 W'].
750
Comment
CHSC78365
Poa compressa
Lowell Ahart
2000-6-29
8540
Butte
On the west 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
SEINET10659386
Poa scabrella
Lowell Ahart
1990-4-28
Ahart 6471
Butte
South side of Pacific Heights Road, about 3 1/2 miles south-west of Oroville.Growing on dry soil on steep banks. Foothill Woodland.
40
Comment
CHSC103981
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
CHSC6747
Poa secunda subsp. secunda
Marilyn Lee
1968-4-19
144
Butte
Field on W. side of Cherokee Rd., Table Mt.
Comment
CHSC85416
Poa secunda subsp. secunda
John Dittes
1992-5-5
466
Butte
Sierra Nevada Range Foothills; ca. 2.6 air-miles southeast of Paradise Civic Center, ca. 1.8 air-miles west of West Branch Feather River, ca. 1.3 air-mile northwest of Kunkle Reservoir; slope above tributary drainage of Dry Creek, south of terminus of Libby Road.
445
Comment
HSC12182
Poa secunda subsp. secunda
P. Van?
1918-4-29
2059
Butte
Butte Creek about 4 mi. SE of Chico.
Comment
CHSC39500
Poa sierrae
Lowell Ahart
1983-5-28
4026
Butte
Along the trail to the over-look to Feather Falls, about 2 1/2 miles north of the town of Feather Falls.
600
Comment
SEINET10508318
Poa tenerrima
Lowell Ahart
1983-4-10
Ahart 3930
Butte
Sides and bottoms of small vernal pools, near the steel power line, ca. 0.5 mi ne of jct of Hwy 99 & Pentz Rd, ca. l6 mi s of Chico. Valley Grassland; 65 m.
65
Comment
POM70306
Pogogyne douglasii
Edward Palmer
1892-6-7
2078
Butte
Near Chico.
Comment
SEINET10498986
Pogogyne douglasii
Mary Susan Taylor
1975-4-29
Taylor 538 A
Butte
Abundant in fields ca. 50-500 yds S of Pentz Road, ca. 1/4 mi E of Hwy 99, ca. 15 mi S of Chico. With Layia fremontii, Achyrachaena mollis, Delphinium spp.
Comment
UC196327
Pogogyne zizyphoroides
A. A. Heller
1914-4-11
11275
Butte
8 miles north Oroville
Comment
RSA0022185
Pogogyne zizyphoroides
C. C. Bruce
1897-05
1834
Butte
[No location information on label.]
Comment
SEINET13947033
Pogogyne zizyphoroides
Kitsy Kelly
1974-1
17
Butte
Oroville Quadrangle, 300 yds S of the intersection of Pentz and Clark Rds; 200 ft alt., T21N, R3E, SEC27
61
Comment
UCD125428
Pogogyne zizyphoroides
W. R. Powell
1968-4-23
1468
Butte
2 miles south-southeast of Oroville.
71
Comment
CHSC62348
Polycarpon tetraphyllum
B. Castro
1990-5-6
426
Butte
In residential area at south end of Chico.
60
Comment
CDA30229
Polygala cornuta
L. Ahart
2009-5-3
15776
Butte
On the south side of Ten Mile House Road, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
Comment
CAS-BOT-BC6544
Polygala cornuta var. cornuta
Amos Arthur Heller
1914-7-24
11624
Butte
near Forest Ranch
731
Comment
UC1594572
Polygala cornuta var. cornuta
Lowell Ahart
1992-8-2
6913
Butte
e of intersection about 1/2 mi n Flea Valley (about 4 1/2 (air) mi ne of Concow Reservoir)
1158
Comment
CHSC46193
Polygonum aviculare
L. P. Janeway; C. A. Janeway
1986-10-5
1911
Butte
Along Pine Creek at Cana Hwy. Gravel bar along the creek.
48
Comment
CDA22759
Polygonum bidwelliae
Sterling O. Mattoon
1971-5-25
Butte
Canyon overlook, Skyway, near Paradise.
0
Comment
CHSC97344
Polygonum bidwelliae
Paul Maslin
2005-5-1
57
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). UTM: 10608340E 4408370N.
518
Comment
RSA3842
Polygonum bidwelliae
A. A. Heller
1927-5-18
14391
Butte
Along Neale grade on road from Chico to Paradise
Comment
CAS-BOT-BC109151
Polygonum bolanderi
Lowell Ahart
1980-9-10
2616
Butte
Little Bald Rock.
1100
Comment
UC466038
Polygonum californicum
Mrs. R. M. Austin
Apr. 1896
174
Butte
plains
Comment
CHSC11918
Polygonum douglasii subsp. douglasii
E. B. Copeland
1930-7-24
630
Butte
Jonesville.
1500
Comment
JEPS95934
Polygonum lapathifolium
Lowell Ahart
1999-8-13
8174
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
SEINET13711408
Polygonum lapathifolium
Lowell William Ahart, Lowell William Ahart
1999-1
8174
Butte
12 Air Mi SW of Chico, 2 Mi SE of Ordbend, Sacramento River
Comment
CHSC100914
Polygonum minimum
R. A. Schlising; Lawrence Janeway
1988-7-22
4624
Butte
North of Philbrook Lake, near Plumas County line.
1935
Comment
CHSC39132
Polygonum minimum
R. A. Schlising
1981-8-4
4183
Butte
N part of county; narrow meadow along Willow Creek at crossing of Humboldt Road.
1844
Comment
SD1173
Polygonum minimum
E. B. Copeland
1931-7-18
631
Butte
Jonesville, on shaded gravel bars by Butte Creek
1500
Comment
CAS-BOT-BC419809
Polygonum parryi
Lowell Ahart
1980-7-4
2457
Butte
Near Hurleton.
600
Comment
CHSC29371
Polygonum parryi
R. A. Schlising; S. Azevedo
1980-6-13
3701
Butte
NE of Forest Ranch, 2.3 mi E and SE of Hwy 32 along Garland Road (and 0.25 mi from jct latter and Ponderosa Way and Doe Mill Rd).
902
Comment
CHSC46011
Polygonum parryi
Lowell Ahart
1984-7-19
4730
Butte
Along the edge of the dirt road where there is a seep along the road gutter, about 1 1/2 miles south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 miles northeast of Stirling City.
1371
Comment
SEINET10479662
Polygonum parryi
Lowell Ahart, Peter Ahart
1984-7-19
Ahart 4730
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
UC1509633
Polygonum persicaria
L. Ahart
1982-10-6
3845
Butte
ca 3 mi ne Hocut; Peter Ahart Ranch, North Honcut Creek
50
Comment
SEINET10904456
Polygonum punctatum
Mary Susan Taylor
1977-8-16
Taylor 1450
Butte
Butte College Campus, ca. 15 mi S of Chico. With Marc Hayes.
61
Comment
CDA13261
Polygonum spergulariiforme
G. F. Hrusa, T. D. Wilfred
1996-7-8
13105
Butte
Sierra Nevada; Corner of Skyway Rd. and Rd. to Paradise Lake, at N boundary of Magalia.
Comment
SEINET10479686
Polygonum spergulariiforme
Mary Susan Taylor
1980-9-19
Taylor 3338
Butte
In serpentine, ca. 100 ft S of Coutelenc Rd, ca. 500 ft E of jct with the Skyway, Magalia.
Comment
SEINET10470877
Polypodium californicum
Lowell Ahart
1983-3-28
Ahart 3911
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
CHSC28414
Polypodium calirhiza
M. S. Taylor
1979-9-28
2181
Butte
Butte county line at Hwy 70, between boundry and Arch Rock tunnel.
487
Comment
CHSC33692
Polypodium calirhiza
L. Ahart
1981-3-29
2716
Butte
Along or near Ponderosa Way, ca. 1/4 mi s of Ponderosa Dam, near Forbestown.
350
Comment
CHSC96823
Polypodium calirhiza
Lowell Ahart
2007-5-29
13935
Butte
On the east side of Bald Rock Dome, Dome Trail at the Middle Fork of the Feather River, about 2 miles by the trail from the trail head which is 3/10 mile east of Bean Creek Road, about 2 1/2 miles (air) northeast of Big Bald Rock, about 16 1/2 miles (air) northeast of Oroville.
608
Comment
CHSC79432
Polypodium glycyrrhiza
G. F. Hrusa; T. D. Wilfred
1997-5-1
13706
Butte
Northern California, Sierra Nevada. NE side of upper end of Paradise Lake. Where last tributaries from E enter. [Lat./Long. on label is '39 52 N; 121 35 W'].
790
Comment
CHSC71217
Polypogon australis
Lowell Ahart
1998-6-9
7988
Butte
Seep, southwest of the lone oak tree, northwest of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
JEPS114970
Polypogon australis
Lowell Ahart
2008-5-21
14778
Butte
Dry bare granite soil, below the high water line of Lake Oroville, on the north 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
JEPS94825
Polypogon australis
Lowell Ahart
1998-6-9
7988
Butte
about 7 air mi n of Oroville (sw of the ione oak tree, nw of the cow chute along Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road
403
Comment
CHSC45745
Polypogon maritimus
S. A. Conley
1986-6-23
42
Butte
Upper Bidwell Park, Chico. In drainage of Gun Club lake, ca. 150 ft. s. of lake.
Comment
JEPS127227
Polypogon maritimus
Lowell Ahart
2016-5-30
20886
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 1/8 miles east of Honcut, about 12 miles (air) southeast of Oroville.
Comment
UC207679
Polypogon maritimus
A. A. Heller
1914-5-13
11398
Butte
near Butte creek between Durham and Nelson
Comment
CAS-BOT-BC232572
Polypogon monspeliensis
Lowell Ahart
1977-6-2
1524
Butte
Peter Ahart Ranch. Honcut
50
Comment
CHSC115371
Polypogon monspeliensis
Lowell Ahart
2015-4-24
20059
Butte
Small size plants, on dry bare soil, side (road edges) of a large duck field.
19
Comment
CHSC34678
Polystichum imbricans subsp. curtum
M. S. Taylor
1980-3-19
2388 A
Butte
Macabes Creek canyon, ca. 100 ft e of Lumpkin Rd, ca. 2.5 mi n of its jct with Forbestown Rd, ca. 18 mi ne of Oroville.
396
Comment
JEPS106115
Polystichum imbricans subsp. imbricans
Lowell Ahart
2004-6-22
11117
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
UC600570
Polystichum imbricans subsp. imbricans
E. B. Copeland
1931-6-10
Butte
ridge w of North Willow Creek Jonesville
1650
Comment
SEINET6409502
Polystichum munitum
J. Penalosa
1962-6-18
2446
Butte
Near confluence of French and Peavine Creeks
610
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
CHSC44609
Polystichum scopulinum
Vernon Oswald; Lowell Ahart
1987-8-5
3190
Butte
Rock outcrops skirting the n flank of Humboldt Peak on the Butte-Plumas county border, s of the Pacific Crest Trail.
2072
Comment
SEINET10460761
Porterella carnosula
Edwin B. Copel
1929-7-29
Copeland 397
Butte
Above Jonesville
1750
Comment
UCD138255
Potamogeton nodosus
H. L. Mason; Verne Grant
1945-7-10
12640
Butte
Stanford Slough, Butte Sink, southwest corner of county.
Comment
SD2231
Potentilla andersonii
E. B. Copeland
1929-7-25
371
Butte
Jonesville
1550
Comment
SEINET7073611
Potentilla glandulosa
A. G. Vestal
1955-5-21
s.n.
Butte
About 13 miles east of Oroville on the Black Bart Road. UTM Zone 10, 642818mE, 4373333mN. Coordinate datum: NAD27.
Comment
CHSC45584
Potentilla glandulosa subsp. glandulosa
L. P. Janeway
1987-5-10
2035
Butte
Butte Cr between Forks of Butte and the bridge (Doe Mill Rd).
609
Comment
CHSC75531
Potentilla glandulosa subsp. glandulosa
G. F. Hrusa; T. D. Wilfred
1997-5-8
13757
Butte
Sierra Nevada. Little Butte Creek, N of Magalia, above Magalia Res. Immed. E of Holmwood Drive. [Lat./Long. on label is '39 51 N, 121 34 W'].
710
Comment
SEINET10483125
Potentilla glandulosa subsp. nevadensis
Mary Susan Taylor
1978-7-21
Taylor 1830
Butte
On N side of Oroville-Quincy Hwy, in open meadow, ca. 1 mi S of Butte-Plumas County line; Yellow Pine Forest.
1341
Comment
POM275136
Potentilla gracilis var. fastigiata
Lyman D. Benson
1932-7-28
3971
Butte
First summit, Oroville-Quincy. Sierra Nevada Range, Feather River watershed.
1829
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
CHSC43833
Prunella vulgaris var. lanceolata
L. P. Janeway
1987-6-27
2353
Butte
Overlooking Keyser Cr; 5.4 mi N of Ramsey Bar along the Concow Rd.
1554
Comment
CHSC52063
Prunella vulgaris var. lanceolata
B. Castro; P. Broyles, R. A. Schlising, L. P. Janeway
1987-7-19
148
Butte
0.95 mi into Coon Hollow below Campground, by edge of Coon Creek and on edge of adjacent meadow.
1664
Comment
CHSC82331
Prunus
S. Posner
1972-9-23
Butte
Garden behind 725 Nord Ave., Chico.
Comment
CHSC38930
Prunus cerasifera
Vernon Oswald
1983-2-23
93
Butte
Upper Bidwell Park, Chico, at the Salmon Hole Parking Area (1.4 mi e of the power lines). Along an intermittent stream.
158
Comment
CHSC70838
Prunus cerasifera
Vernon Oswald
1998-4-12
8902
Butte
Upper Bidwell Park (new addition), Pine Trail between the trailhead on Hwy. 32 opposite Santos Rd. (between Chico and Forest Ranch) and South Rim Trail.
441
Comment
CAS-BOT-BC159926
Prunus emarginata
E. B. Copeland
1931-7-28
650
Butte
Jonesville. On ridge west of North Willow Creek
1650
Comment
CHSC23647
Prunus emarginata
M. S. Taylor
1976-4-4
1063
Butte
On n side of Ponderosa Way, ca. 3 mi w of junc of Ponderosa Way and Hwy 32, ca. 23 mi ne of Chico.
487
Comment
POM219500
Prunus emarginata
H. F. Copeland
1928-8-18
125
Butte
Neighborhood of Jonesville
1524
Comment
CAS-BOT-BC151219
Prunus virginiana var. demissa
A. A. Heller
1916-4-13
12320
Butte
Stilson Canyon east of Chico
Comment
CHSC76829
Pseudognaphalium luteoalbum
L. P. Janeway
1999-11-15
6627
Butte
Northern Sierra Nevada foothills. Along drainages below high water line of Lake Oroville, below Nelson Bar Road about 0.6 mi north-northwest of Lime Saddle. Ravines below forest.
274
Comment
CAS-BOT-BC357002
Pseudognaphalium luteoalbum
Lowell Ahart
1979-12-29
2024
Butte
Peter Ahart Ranch, Honcut
50
Comment
CHSC43273
Pseudognaphalium thermale
Lowell Ahart
1987-8-30
5866
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC65445
Pseudognaphalium thermale
Vernon Oswald
1987-7-29
3156
Butte
Hwy 32, 1.5 mi ssw of Lomo. Roadside.
1146
Comment
SD1575
Pseudostellaria jamesiana
E. B. Copeland
1930-6-24
Butte
Jonesville
1500
Comment
CAS-BOT-BC361853
Psilocarphus oregonus
E. B. Copeland
1931-7-20
s.n.
Butte
Jonesville. Near Butte Creek House
1700
Comment
SEINET10904902
Psilocarphus tenellus
Lowell Ahart
1983-8-16
Ahart 4304
Butte
T26N R4E section 32. Near Bull Hill Road, ca. 3 miles south of Butte Meadows. Yellow Pine Forest; 1450 m.
1450
Comment
CHSC60962
Psilocarphus tenellus var. tenellus
Lowell Ahart
1993-7-6
7049
Butte
On the south side of the dirt road, about 1/4 mile west of the Lost Creek Reservoir.
1036
Comment
CAS-BOT-BC72550
Pteridium aquilinum
T. P. Spira
1974-4-28
7
Butte
along Contolene Rd, ca. 2 mi e of Paradise
609
Comment
POM220019
Pterospora andromedea
H. F. Copeland
1928-8-17
488
Butte
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
JEPS98312
Pyrola aphylla
Lowell Ahart
2000-7-11
8573
Butte
On the north side of a dirt road, about 100 yards north 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
JEPS108798
Pyrola dentata
Lowell Ahart
2006-6-24
12855
Butte
On the west side of the dirt road (Ponderosa Way), on Cohasset Ridge, about 3 1/2 miles (air) northeast of Cohasset
1130
Comment
SEINET10973482
Pyrola picta
Lowell Ahart
1985-6-17
Ahart 5052
Butte
Fields Ridge, about 4 miles south-east of Feather Falls.
Comment
SEINET10874403
Pyrola picta subsp. integra
Mary Susan Taylor
1980-8-2
Taylor 3215
Butte
T27N R5E center sec 32, Jonesville quad. Humboldt Peak, N tip of the county.
2155
Comment
UCD47663
Quercus
M. Wiesendanger
1928-6-1
1337
Butte
Introduction Station, Chico.
Comment
CAS-BOT-BC94693
Quercus X howellii
John Thomas Howell
1955-6-15
30498
Butte
6 miles from Paradise on road to Pentz
426
Comment
SBBG126082
Quercus X morehus
L. Ahart
2012-3-23
17799
Butte
S side of Old Humboldt Rd cut, N end of Disc Golf Area, ca 50 yards W of Hwy 32, ca 5 mi NE of Chico
395
Comment
UCD162814
Quercus berberidifolia
D. O. Burge
2015-3-16
1686
Butte
Butte Creek watershed, below Doe Mill Ridge.
243
Comment
CAS-BOT-BC62689
Quercus chrysolepis
A. A. Heller
1918-5-5
13016
Butte
Honey Run grade on a north slope
Comment
RSA719539
Quercus chrysolepis
Michael A. Vincent, K. Levings
2006-7-29
12887
Butte
NE of Chico along Rte 32.
Comment
CDA13880
Quercus chrysolepis var. chrysolepis
G. F. Hrusa, T. D. Wilfred
1997-5-7
13739
Butte
Sierra Nevada; Near summit of SSE slope above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive. and
Comment
CHSC78081
Quercus douglasii
April Glover
1997-4-4
30
Butte
East of Chico between Big Chico Creek Canyon rim and Highway 32 with intermittent stream Mediterranean climate.
390
Comment
SACT002656
Quercus dumosa
Herbert Copeland
1939-7-8
Butte
Humboldt Road 12 miles east of Chico. Shrub 2m tall tall very abundant as component of chaparral.
Comment
UCD46184
Quercus garryana
H. F. Copeland
1939-7-8
s.n.
Butte
Humboldt Road in foothills 12 mi. east of Chico, Butte County.
Comment
UC1135634
Quercus garryana var. breweri
C. G. Albertus
1933-7-1
39
Butte
sw slope Promontory Pk.; Chico Quad.
1005
Comment
CHSC102405
Quercus kelloggii
Lowell Ahart
2009-6-19
15952
Butte
On dry soil, on the north side of Ten Mile House Road, Upper Bidwell park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
369
Comment
CHSC39783
Quercus kelloggii
Eloise Gallatin
1935-5-19
Butte
Feather River Canyon.
Comment
JEPS113214
Quercus lobata
Lowell Ahart
2007-3-28
13601
Butte
West of North Honcut Creek, about 2 1/2 miles north and 2 2/3 miles east of Honcut, about 12 miles southeast of Oroville
51
Comment
RSA12710
Quercus lobata
Carl B. Wolf, E. R. Johnson
1934-10-5
6162
Butte
3 miles out of Chico.
61
Comment
UCD47411
Quercus vacciniifolia
A. E. Wieslander; J. E. Sowder
1933-6-24
91
Butte
1/4 mile east of Inskepion Fish Creek.
1432
Comment
UCD47414
Quercus vacciniifolia
Leonard H. Day
1948-7-11
s.n.
Butte
Lava Top, in Butte County, ca. 1 mile south of Cascade (Plumas County), California.
1435
Comment
JEPS115105
Quercus wislizeni var. wislizeni
Lowell Ahart, John Dittes
2008-11-14
15451
Butte
In the south part of Cedar Grove, Lower Bidwell Park, Chico
67
Comment
SD7927
Quercus wislizeni var. wislizeni
Mrs. R. M. Austin
Butte
Comment
CAS-BOT-BC186693
Ranunculus
John Thomas Howell
1976-4-2
51548
Butte
About 2 miles southeast of Chico
60
Comment
CAS-BOT-BC379413
Ranunculus alismifolius var. alismellus
H. F. Copeland
1920-7-11
67
Butte
Scotch John Meadows
1829
Comment
CHSC9109
Ranunculus aquatilis var. hispidulus
J. Goodwin
1970-4-28
60
Butte
1.7 mi. on Upper Park Road, Bidwell Park, Chico. Southeast corner of Horse Shoe Pond.
Comment
CHSC4663
Ranunculus arvensis
R. Carter
1966-4-11
345
Butte
Found ca. 7 mi. E of Oroville at 6120 Woodleaf St. Rt., 300 yds. W off Feathervale, 15 yds. W off Feathervale, 15 yds. W of house; in orchard.
243
Comment
HSC40652
Ranunculus arvensis
J. P. Smith
1974-4-20
7344
Butte
1.0 mi. E of Hwy. 99
61
Comment
CHSC38158
Ranunculus hebecarpus
Vernon Oswald
1983-3-14
182
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1.3 mi e of the power lines.
350
Comment
CHSC101166
Ranunculus muricatus
Lowell Ahart
2009-5-15
15698
Butte
About 60 yards northwest of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 2/3 mile (air) west of Highway 32, about 10 miles northeast of Chico.
267
Comment
CHSC4583
Ranunculus muricatus
C. Glascock
1965-4-26
357
Butte
2723 Oro-Quincy Hwy. in e lawn, Oroville.
Comment
UCD80703
Ranunculus muricatus
CNPS SN Foothill Team
2005-3-23
SNFN 0064
Butte
CDPR, Oroville State Recreation Area, along the North Fork Trail, on the Potter's Point Loop Trail, north of the intersection with Potter's Ravine Trail.
372
Comment
CHSC79557
Ranunculus occidentalis var. occidentalis
G. F. Hrusa; T. D. Wilfred
1997-5-1
13718
Butte
Northern California. Sierra Nevada. NE side of upper end of Paradise Lake. Where last tributaries from E enter.
775
Comment
UC204960
Ranunculus orthorhynchus var. orthorhynchus
A. A. Heller
1914-6-22
11491
Butte
Chico Meadows Sierra Nevada
1219
Comment
SFV10378
Raphanus raphanistrum
M. L. Vincent
1965-4-16
634
Butte
Pentz Road, 0.5 miles south of Pentz store.
Comment
CAS-BOT-BC74263
Raphanus sativus
A. A. Heller
1914-3-16
11203
Butte
Low hills 8 miles north of Oroville.
Comment
CDA35702
Rhamnus californica subsp. californica
L. Ahart
2002-9-9
9937
Butte
100 yards south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles (air) southwest of Forbestown
Comment
SEINET10493587
Rhamnus californica subsp. tomentella
Mary Susan Taylor
1981-4-8
Taylor 3505
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
CHSC38639
Rhamnus ilicifolia
Vernon Oswald
1983-5-23
539
Butte
Upper Bidwell Park, Chico, beside Upper Park Rd. 500 ft e of Parking Area R (ca. 2.4 mi e of the power lines).
Comment
UC204566
Rhamnus rubra
A. A. Heller
1914-5-17
11404
Butte
between 14 Mile House and Forest Ranch; Sierra Nevada
731
Comment
CHSC82376
Rhamnus tomentella subsp. tomentella
Lowell Ahart
2002-6-2
9676
Butte
West of a small open dry meadow, southwest of the intersection of Black Bart Road and Forbestown Road, about 3 miles (air) southwest of Forbestown.
670
Comment
CHSC86433
Rhamnus tomentella subsp. tomentella
Jenny Marr
1994-6-13
88
Butte
Located in Northern Sierra Nevada, north of the town of Magalia, on an exposed serpentine outcrop belonging to LNF. Site approx. 0.3 air miles north of Magalia Reservoir.
759
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
UC1121072
Rhododendron occidentale
C. G. Albertus
1933-7-5
41
Butte
2 mi se of Promontory Point
1066
Comment
POM87358
Rhus trilobata var. pilosissima
C. C. Bruce
1897-05
1819
Butte
Little 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
CHSC45181
Rhynchospora capitellata
Lowell Ahart
1980-7-20
2481
Butte
In a large bare granite rock, near Bean Creek Road, south of Little Bald Rock, about 15 miles north-east of Oroville.
1005
Comment
UC217234
Ribes
H. M. Hall
1917-5-11
10294
Butte
Keefer Mill Keefer Ridge
731
Comment
CHSC96232
Ribes amarum
R. Fischer
2006-4-25
998
Butte
Sierra Nevada foothills, adjacent Hwy. 32, below Forest Ranch in the Big Chico Creek Ecological Reserve off Lookout Trail. Plants growing the southern end of reserve on the north facing, densely brushy hillside in one of the seasonal stream drainages/ravines.
304
Comment
CAS-BOT-BC93277
Ribes cereum
E. B. Copeland
1931-6-11
645
Butte
Jonesville. Kirby's Meadow.
1800
Comment
SBBG83400
Ribes nevadense
D. Neubacher
1976-5-25
23
Butte
Rag Dump Rd, 14 mi SE of Stirling City
1280
Comment Read comments Jan 13 2018
SEINET3118954
Ribes nevadense
E. B. Copeland
1931-1
647
Butte
Jonesville, woods near Butte Creek
1550
Comment
CAS-BOT-BC198958
Ribes roezlii var. roezlii
M. S. Taylor
1982-5-23
4513
Butte
S side of Hwy 70, vicinity of Arch Rock Tunnel ca. 0.5 mi SW of Butte-Plumas county line.
487
Comment
CAS-BOT-BC362955
Rigiopappus leptocladus
A. A. Heller
1914-5-8
11372
Butte
Plateau above Clear Creek on the Paradise road. Clear Creek-Paradise grade
Comment
CHSC3496
Robinia pseudoacacia
Roger Jaegel
1966-4-14
123
Butte
Located four miles west of Forest Ranch.
Comment
CAS-BOT-BC74463
Rorippa curvisiliqua
Lowell Ahart
1986-11-9
5451
Butte
About 0.1 mile south of the clay burrow for Oroville Dam, 0.25 mile east of Larkin Road, about 6 miles SW of Oroville.
36
Comment
CAS-BOT-BC74471
Rorippa curvisiliqua
H. F. Copeland
1929-6-10
1203
Butte
Jonesville.
1524
Comment
CAS-BOT-BC74472
Rorippa curvisiliqua
Clarence R. Quick
1963-7-16
63 54 d
Butte
Sierra Nevada. Feather River Canyon. Section Corner Meadow, east of Pulga.
1463
Comment
RSA431531
Rorippa curvisiliqua
H. F. Copeland
1929-6-10
1203
Butte
Jonesville.
1524
Comment
CHSC77982
Rorippa curvisiliqua var. occidentalis
Lowell Ahart
2000-5-13
8350
Butte
On the margin of the Thermalito Afterbay, 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
SEINET10448490
Rorippa curvisiliqua var. occidentalis
Lowell Ahart
1985-5-31
Ahart 5040
Butte
Lake Oroville, about 1/2 mile south-west of the Enter- prise Bridge across Lake Oroville, west of Lumpkin Road, north-east of Oroville.
Comment
UC600715
Rorippa nasturtium-aquaticum
H. F. Copeland
1920-5-23
221
Butte
Jonesville
Comment
CHSC75990
Rorippa palustris var. hispida
Lowell Ahart; Vernon H. Oswald
1999-8-13
8182
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
JEPS95951
Rorippa palustris var. hispida
Lowell Ahart
1999-8-13
8182
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 Read comments Feb 25 2009
CHSC110994
Rosa
Lowell Ahart
2012-6-9
18181
Butte
On the south side of the pond, east of the South Rim Trail, at the old homestead, about 100 yards south of Ten Mile House Road, about 5/8 mile west of Highway 32, about 9 miles (air) northeast of Chico, south part of Upper Bidwell Park.
250
Comment
POM140209
Rosa californica
A. A. Heller, H. E. Brown
1902-5-14
5546
Butte
Berry Canyon (near Clear Creek)
Comment
CHSC82390
Rosa pisocarpa subsp. ahartii
Lowell Ahart
2002-6-2
9680
Butte
On the north side of Black Bart Road, and 1 1/2 miles east of the intersection of Forbestown Road and Black Bart Road, about 12 miles (air) southeast of Oroville. Along the road.
548
Comment
RSA0005392
Rosa pisocarpa subsp. ahartii
Barbara Ertter
2007-6-23
19074
Butte
Black Bart Road. 1.3 miles from lower junction with Forbestown Road ca. 10 air miles ESE of Oroville.
655
Comment
UC1926781
Rosa pisocarpa subsp. ahartii
Barbara Ertter, Lowell Ahart
2007-6-23
19074
Butte
Butte County: Black Bart Road 1.3 miles from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville.
655
Comment
CHSC38545
Rotala ramosior
Vernon Oswald
1983-7-8
836
Butte
Upper Bidwell Park, Chico, on the n side of Horseshoe Lake.
100
Comment
CHSC43233
Rotala ramosior
Lowell Ahart
1987-9-4
5879
Butte
On the bottom of a drying pond, on the bottom of North Honcut Creek, about 2 miles north and 3 mile seast of Honcut, about 12 miles south-east of Oroville.
67
Comment
CHSC96949
Rotala ramosior
Lowell Ahart
2007-7-8
14276
Butte
On the north side of North Honcut Creek, Peter Ahart Ranch, about 3/4 miles north and 2 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville.
45
Comment
JEPS122261
Rotala ramosior
Lowell Ahart
2014-9-23
19866
Butte
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.
Comment
CHSC84739
Rubus glaucifolius
L. P. Janeway; Christine Hantelman
2003-6-19
7850
Butte
Northern Sierra Nevada Foothills. Along south edge of Middle Fork Feather River arm of Lake Oroville, half way between mouth of South Fork Feather River arm of the lake and mouth of Bean Creek.
280
Comment
CHSC64663
Rubus laciniatus
H. H. Schmidt; M. Merello, L. Woodruff
1993-6-15
861
Butte
Plumas National Forest on state road 23N06 1.5 miles N of the junction with highway 70. Latitude on label says '39 degrees 45 minutes 78 seconds N'.
880
Comment
CHSC46046
Rubus parviflorus
L. P. Janeway
1987-5-10
2051
Butte
At edge of bridge over West Branch Feather River ca 6 mi from Stirling City.
754
Comment
CAS-BOT-BC433198
Rubus pensilvanicus
Peter H. Raven
1953-5-9
5449
Butte
6.5 miles from Bangor on road to Oroville
Comment
SEINET10483604
Rubus procerus
Mary Susan Taylor
1980-6-7
Taylor 2792
Butte
S side of Hwy 162, at Butte County/ Glenn County border, ca. 20 mi N of Chico.
30
Comment
UC1586477
Rudbeckia occidentalis
Vernon H. Oswald and Lowell Ahart
1991-7-15
4739
Butte
5.75 mi (air) ne of, just upstream from the bridge Brush Creek; Forest Rd 23N60, Jordan Creek-Marble Creek Rd, Oroville-Quin
1051
Comment
UC600493
Rumex acetosella
H. F. Copeland
1929-6-10
Butte
Jonesville
Comment
SEINET10937567
Rumex crispus
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4124
Butte
T20N R8E ne sec 9. Along Ponderosa Way (Big Ridge Rd), ca. 2 mi se of the jct with Oroville-Quincy Hwy, ca. 15 mi ne of Oroville. Foothill Woodland; 500 m.
500
Comment
JEPS94633
Rumex obtusifolius
Lowell Ahart
1998-7-1
8034
Butte
about 7 air mi n Oroville (e of cow chute and on e side of Cherokee Rd.); North Table Mountain
403
Comment
CHSC116700
Rumex pulcher
Lowell Ahart
2016-5-14
20828
Butte
Bottom of a small wash, open pasture field, about 100 yards north of the waterhole, Peter Ahart Ranch, about 1 3/4 miles north and 2 3/4 miles east of Honcut, about 11 miles (air) southeast of Oroville.
38
Comment
CDA23201
Rumex salicifolius var. denticulatus
D. G. Kelch
2006-8-2
6 .343
Butte
Along Butte Creek, north of Durham-Dayton Hwy.
Comment
CHSC45579
Sagina apetala
Lowell Ahart
1980-5-4
2215
Butte
About 150 feet south-west of the intersection of Forbestown Road and Hurleton Swedes Flat Road, about 1/2 mile south-east of Hurleton.
548
Comment
JEPS122282
Sagina apetala
Lowell Ahart
2014-4-15
19354
Butte
Below the high water line of Lake Oroville, about 400 yards west of the old road, about 3 1/2 miles (air) northeast of Oroville Dam.
Comment
POM101502
Sagina apetala
C. C. Bruce
1897-06
1888
Butte
Little Chico.
Comment
CHSC113340
Sagina decumbens subsp. occidentalis
Lowell Ahart
2014-5-21
19530
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.
249
Comment
CHSC50030
Sagina decumbens subsp. occidentalis
Lowell Ahart
1990-4-15
6459
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
CHSC112722
Sagina saginoides
Lowell Ahart
2013-10-26
19211
Butte
On the south side of Philbrook Creek, below the high water line (strand) of Philbrook Reservoir.
1681
Comment
CAS-BOT-BC445799
Sagittaria montevidensis
Lowell Ahart
1987-10-20
5918
Butte
Peter Ahart Ranch, about 2 1/4 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville
36
Comment
UC935721
Sagittaria sanfordii
Herbert L. Mason and Verne Grant
1946-8-8
13001
Butte
Butte Sink; West Gridley road one mi w of Gridley - Pennington highway
Comment
UC2026859
Salix babylonica
Lowell Ahart, John Dittes, Josephine Guardino
2012-4-6
17804
Butte
On the north side of Big Chico Creek, Lost Park in Bidwell Park, City of Chico.
Comment
CAS-BOT-BC107964
Salix geyeriana
E. B. Copeland
1931-6-10
618
Butte
In meadows by Butte Creek, Jonesville
1500
Comment
CHSC37778
Salix gooddingii
M. S. Taylor
1982-5-22
4498
Butte
Graylodge Wildlife Refuge, at end of West Liberty Rd, ca. 12 mi sw of Gridley.
19
Comment
HSC102781
Salix gooddingii
L. Ahart
2012-4-20
17893
Butte
About 9 air miles NE of Chico, ~0.6 mi. west of Hwy. 32; ~100 yds. south of the intersection of South Rim Trail and Ten Mile House Road, ~50 yds. SW of table at old homestead; on east side of dam, east of South Rim Trail.
259
Comment
RSA28803
Salix laevigata
A. A. Heller
1914-3-21
11222
Butte
8 miles N of Oroville below the Quercus douglasii belt.
Comment
CDA38767
Salix lasiolepis
L. Ahart
2012-4-2
17887
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 mile northeast of Chico, south part of Upper Bidwell Park.
Comment
CHSC21249
Salix lasiolepis
M. S. Taylor
1975-10-31
978
Butte
Ca. 500 yds n of Pentz Rd, in Butte College Campus, ca. 12 mi s of Chico.
91
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
JEPS119530
Salix lasiolepis
Lowell Ahart
2012-4-20
17887
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
JEPS119610
Salix lasiolepis
Lowell Ahart
2012-4-9
17830
Butte
West of South Rim Trail, south part of Upper Bidwell Park, about 2 miles (air) northeast of Chico.
Comment
SEINET10538856
Salix lasiolepis
Mary Susan Taylor
1979-3-19
Taylor 1934
Butte
T23N R5E Pulga quad. In the vicinity of Pulga bridge over Feather River on Hwy 70, ca. 25 mi NE of Oroville.
488
Comment
CAS-BOT-BC129624
Salix lasiolepis var. lasiolepis
John Thomas Howell
1961-9-22
36779
Butte
Jarbo Gap, Feather River Highway - Sierra Nevada
60
Comment
SD924
Salix lemmonii
E. B. Copeland
1931-8-1
620
Butte
Jonesville; massed around the Lily Pond a permanent pool
1700
Comment
RSA31117
Salix lucida subsp. lasiandra
A. A. Heller
1914-7-23
11594
Butte
On the headwaters of Chico Creek in Chico meadows.
1220
Comment
CAS-BOT-BC129487
Salix melanopsis
Dr. E. B. Copeland
1903-5-28
3278
Butte
Chico, on banks of Butte Creek
Comment
CAS-BOT-BC129490
Salix melanopsis
Dr. E. B. Copeland
1931-6-10
622
Butte
Jonesville, in meadows by Butte Creek.
1500
Comment
UC463019
Salix scouleriana
E. B. Copeland
1931-8-1
Butte
Abertine: upper lake
1800
Comment
UCD111862
Salix scouleriana
E. B. Copeland
1931-7-30
624
Butte
Jonesville.
1550
Comment
CHSC43264
Samolus parviflorus
Lowell Ahart
1987-9-4
5884
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
CHSC1975
Sanicula bipinnata
A. Goekler
1929-3-20
Butte
Chico.
57
Comment
SEINET11155784
Sanicula bipinnatifida
E. Murin
1967-4-15
s.n.
Butte
Along Pennington Road SW of Gridley.
Comment
CHSC93458
Sanicula bipinnatifida var. flava
Lowell Ahart
2006-5-8
12601
Butte
Steep bank on the south side of a small stream, about 50 yards east of the fence and reservoir, about 2 1/4 miles west of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
296
Comment
CHSC36539
Sanicula tracyi
L. Ahart
1982-6-4
3548
Butte
On a lava cap, 1.5 mi e of Camp 18 and ca 8 mi e of Feather Falls.
1000
Comment
CHSC32126
Saponaria officinalis
L. Ahart
1974-10-22
668
Butte
By rd near Sly Creek Dam, near Pinkard Creek which is near Sly Creek Reservoir.
762
Comment
CHSC1416
Sarcodes sanguinea
1954-5-30
Butte
Rag Dump, near Stirling.
1066
Comment
CAS-BOT-BC436854
Saxifraga
Lowell Ahart
1975-4-2
s.n.
Butte
Peter Ahart Ranch, Honcut
45
Comment
RSA755046
Scandix pecten-veneris
L. Ahart
2009-4-26
15613
Butte
Upper Bidwell Park, on the west side of Highway 32, south of the parking area at the intersection of Highway 32 and Ten Mile House Road, about 10 miles NE of Chico.
462
Comment
SEINET10472665
Schoenolirion album
Mary Susan Taylor
1977-8-17
Taylor 1465
Butte
In Montane Meadows around Julie<s Creek between Old Humboldt Road and Butte Creek, ca. 3.4 mi E of where Butte Creek crosses Humboldt Road near Butte Meadows.
1341
Comment
SEINET10472666
Schoenolirion album
Mary Susan Taylor
1977-6-25
Taylor 1391
Butte
Foothill Woodland-Yellow Pine Forest transition zone, on Ponderosa Way betwe en Cohasset and Forest Ranch.
610
Comment
CAS-BOT-BC111369
Schoenoplectus acutus var. occidentalis
John Thomas Howell
1959-9-20
34651
Butte
Lower foothills, eastern outskirts of Oroville
60
Comment
CHSC68452
Schoenoplectus acutus var. occidentalis
L. P. Janeway; C. A. Janeway
1986-9-14
1862
Butte
Sycamore Creek at Cohasset Avenue near Eaton Road.
54
Comment
CHSC45118
Schoenoplectus mucronatus
Vernon Oswald
1987-7-20
3138
Butte
Butte Creek Reserve on the s side of Butte Creek, n of the Skyway, between the dam for Crouch Ditch and the double set of transmission lines.
82
Comment
CHSC57152
Schoenoplectus mucronatus
L. P. Janeway
1988-6-29
2906
Butte
Spring where Crouch Ravine fades into Coon Ridge; 1/4 mi south of Skyway, 2.9 mi east of the Butte Creek bridge.
170
Comment
SEINET9318790
Schoenoplectus mucronatus
Unknown
1996-9-5
13563
Butte
Butte
Comment
CAS-BOT-BC5833
Scirpus diffusus
E. B. Copeland
1929-7-19
343
Butte
Jonesville
1550
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
CHSC29398
Scleranthus annuus subsp. annuus
R. A. Schlising; R. Banchero
1980-6-17
3740
Butte
N of Magalia at old Coutelenc Site, along Coutelenc Road, 1.7 mi S of jct with Skyway at Lovelock; roadside.
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
UC1609011
Scribneria bolanderi
Lowell Ahart
1993-6-26
7032
Butte
about 1 air mi nw of Lost Creek Reservoir Dam (Mooreville Ridge, Jackass Flat); Mooreville Ridge, Jackass Flat
1158
Comment
NY415669
Scutellaria austiniae
Mrs. C. C. Bruce
05 1897
1835
Butte
Big Chico
Comment
UCD125705
Scutellaria californica
L. Ahart
1982-5-28
3439
Butte
on north slope near North Honcut Creek, near Peter Ahart Ranch, around 3 miles northeast of Honcut.
50
Comment
CHSC57224
Scutellaria tuberosa
Vernon H. Oswald; Lowell Ahart
1992-3-24
4887
Butte
Lake Oroville Recreation Area, along Burma Rd. on the north side of Thermalito Diversion Pool about one-quarter mile east of the old bridge site.
76
Comment
CHSC87422
Scutellaria tuberosa
R. D. Fischer
2004-3-15
112
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located at northern end Guardian Trail, along trail.
411
Comment
CHSC457
Sedella pumila
R. Carter
1964-3-23
63
Butte
5 mi. E of Chico Rd. on Cherokee Rd. ca. 250 yds. E of rd. along rim of table.
60
Comment
CAS-BOT-BC415017
Sedella pumila
Mrs. C. C. Bruce
1897-3-1
1776
Butte
Foothiils
Comment
SBBG70346
Sedella pumila
A. A. Heller
1926-4-19
13923
Butte
ca. 7 mi from Chico
Comment
CHSC38407
Sedum spathulifolium
Vernon Oswald
1983-4-1
250
Butte
Upper Bidwell Park, Chico, beside the South Rim Trail ca. 600 ft w of the power lines.
134
Comment
CAS-BOT-BC63854
Sedum spathulifolium
Junea Kelley
1970-4-24
s.n.
Butte
Los Vergils
Comment
SEINET12215663
Sedum spathulifolium
Unknown
1977-1
20
Butte
ca 20 M S of Big Chico Creek, 6 km ne of Chico. Richardson Springs Quadrangle. 7.5' N. central
100
Comment
UCD135979
Selaginella hansenii
L. Ahart
1974-1-6
294
Butte
Peter Ahart Ranch, Honcut; along North Honcut Creek.
45
Comment
CHSC96138
Selaginella wallacei
Lowell Ahart
2007-2-24
13584
Butte
At and below the high water line on the west side of North Honcut Creek, on and around metavolcanic rock, Peter Ahart Ranch, about 3/4 mile north and 2 2/3 miles east of Honcut, about 12 miles southeast of Oroville.
53
Comment
CHSC8148
Senecio aronicoides
D. McClain
1969-3-20
84
Butte
1/2 mi. e. of Hooker Oak along the Chico Creek, Upper Bidwell Park, Chico.
64
Comment
CHSC88645
Senecio eurycephalus var. lewisrosei
Linnea Hanson
1986-5-8
276
Butte
Plumas National Forest. Pulga Bridge.
548
Comment
CAS-BOT-BC363992
Senecio integerrimus var. major
A. A. Heller
1919-5-18
13171
Butte
Stirling
1072
Comment
CHSC101142
Senecio sylvaticus
Lowell Ahart
2009-5-15
15692
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
JEPS119617
Senecio sylvaticus
Lowell Ahart
2012-4-9
17832
Butte
In Big Chico Creek, west of South Rim Trail, south part of Upper Bidwell Park, about 2 miles (air) northeast of Chico.
Comment
CHSC2813
Senecio vulgaris
David Prall
1965-3-14
11
Butte
Ca 1 yd. south of Neal Rd. 1 mile east of HW. 99E.
106
Comment
CHSC31587
Senecio vulgaris
L. Ahart
1977-9-24
1586
Butte
Near the edges of North Honcut Creek. Peter Ahart Ranch, Honcut.
50
Comment
CHSC418
Senecio vulgaris
J. Turner
1930-4-3
Butte
Chico.
57
Comment
CHSC96618
Senecio vulgaris
Lowell Ahart
2007-3-7
13588
Butte
Around buildings, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
31
Comment
SEINET11805155
Senecio vulgaris
Unknown
1969-1
81
Butte
100 yds N of Salmon Hole, Upper Bidwell Park, Chico
70
Comment
SFV11435
Senecio vulgaris
M. L. Vincent
1964-4-9
533
Butte
1.5 miles south of Pearson Road.
Comment
CAS-BOT-BC364729
Sericocarpus oregonensis subsp. californicus
A. A. Heller
1916-9-23
12658
Butte
Sierra Foothills near Forest Ranch
Comment
CDA4260
Sesbania punicea
L. Ahart
2000-8-23
8660
Butte
About 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville.
Comment
CHSC6147
Setaria gracilis
E. Parreno
1968-5-1
81
Butte
Front lawn of house on nw corner of Ivy and W 2nd Sts., Chico.
59
Comment
CHSC78228
Setaria parviflora
Lowell Ahart
2000-5-17
8365
Butte
Near the south margin of the Thermalito Afterbay, north of the poor dirt road, about 1/10 mile north of the Richville Highway, about 1/2 mle east of Highway 99, about 7 1/2 miles (air) west of Oroville.
42
Comment
JEPS124335
Setaria parviflora
Lowell Ahart
2015-10-16
20558
Butte
About half way of and east of One Mile Pond, about 6 miles (air) east of Biggs.
Comment
CHSC51294
Setaria pumila
Lowell Ahart
1990-10-21
6638
Butte
Below the high water line of Lake Oroville, about 1 mile north of Nelson Bar Road, about 1/2 mile west of Gold Flat.
213
Comment
UC1563269
Setaria pumila
unknown
1990-10-21
6638
Butte
ca. 1/2 mi. w. Gold Flat (ca. 1 mi. n. of Nelson Bar Rd., Lake Oroville); Lake Oroville
213
Comment
CHSC31626
Setaria sphacelata
L. Ahart
1977-9-8
1568
Butte
Near North Honcut Creek, Peter Ahart Ranch, Honcut.
50
Comment
CHSC31809
Sherardia arvensis
L. Ahart
1970-4-4
37
Butte
Peter Ahart Ranch, Honcut.
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
CHSC84868
Sidalcea asprella
L. P. Janeway
2003-5-24
7797
Butte
Northern Sierra Nevada Foothills. Along OroDam Blvd. 585 m southwest of the base of Oroville Dam.
137
Comment
SEINET7073626
Sidalcea asprella
A. G. Vestal
1955-5-21
s.n.
Butte
About 5.8 miles east of Oroville on the Olive Highway. UTM Zone 10, 631906mE, 4373738mN. Coordinate datum: NAD27.
Comment
HSC46141
Sidalcea calycosa subsp. calycosa
J. P. Smith, J. O. Sawyer
1973-4-14
6053
Butte
Bruce Lane, between Skyway and Humboldt Rd., E of Chico.
Comment
CHSC112929
Sidalcea diploscypha
B. Castro
2012-5-9
1918
Butte
Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, ca 0.34 mi N of jcn of Hwy 99/Hwy 162W and ca 0.45 mi. S of screened CDFG fishery facility
39
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
CHSC59328
Sidalcea hartwegii
J. L. Guardino
1992-4-18
14
Butte
Grassy area 20 ft s of ephemeral stream. Southern rim of Chico Creek Canyon, 1.7 mi e of Oak Hollow Ln.
268
Comment
RSA754584
Sidalcea hartwegii
L. Ahart
2009-4-22
15583
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
POM84689
Sidalcea hartwegii
C. C. Bruce
1898-05
2389
Butte
No location given
Comment
CDA36507
Sidalcea hirsuta
Butte County Ag. Comm.
1961-5-1
Butte
Near Nelson.
0
Comment
RSA88031
Sidalcea robusta
C. L. Hitchcock
1952-5-28
19535
Butte
Along Paradise-Durham Road about 5 miles south of Paradise
Comment
CHSC50664
Silene antirrhina
Lowell Ahart
1990-5-25
6478
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.
259
Comment
JEPS98430
Silene antirrhina
Lowell Ahart
2000-5-31
8425
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
UC120218
Silene bernardina
unknown
1892-6-29
Butte
Jonesville
Comment
UC600626
Silene douglasii
H. F. Copeland
1932-7-24
Butte
Jonesville Butte Creek drainage, Jonesville (near the rim w wall of Butte Creek drainage)
Comment
UCD98658
Silene gallica
A. A. Heller
1914-4-24
11319
Butte
8 miles north of Oroville.
Comment
CAS-BOT-BC387068
Silene gallica
Lowell Ahart
1988-5-1
5974
Butte
North Fork of the Feather River, near the Poe Power House, about 2 miles SE of Jarbo Gap
271
Comment
CDA33638
Silene gallica
R. A. Price
2010-5-1
s.n.
Butte
Along Oroville Reservoir; northwest of bridge.
0
Comment
CHSC42235
Silene laciniata subsp. californica
Rusti Gammon
1986-4-10
3
Butte
Ca. 4 mi s of Centerville, e bank of Butte Creek, 100 yds ne.
237
Comment
CHSC35041
Silene lemmonii
R. A. Schlising; M. S. Taylor
1980-7-5
3837
Butte
N part of county, at first crossing of Butte Creek on Humboldt Road N of Butte Meadows. On bank near creek.
1341
Comment
UC600620
Silene occidentalis subsp. longistipitata
H. F. Copeland
1924-8-11
880
Butte
Jonesville
Comment
CHSC38388
Silybum marianum
Vernon Oswald
1983-4-18
329
Butte
Upper Bidwell Park, Chico, on the north slope w of Horseshoe Lake. Beside an old jeep trail.
109
Comment
CHSC3911
Silybum marianum
J. Wheeler
1967-5-20
31
Butte
In vacant lot immediately w of 248 Servis St. Durham.
Comment
CHSC21250
Sinapis arvensis
M. S. Taylor
1975-3-25
424
Butte
In field between 11th and 12th Aves, at end of Citrus Ave, Chico.
Comment
CHSC81473
Sinapis arvensis
Julie Rose
2000-2-21
4
Butte
East Biggs, North end of Mead Avenue. On the east side of the road.
28
Comment
CAS-BOT-BC135400
Sisyrinchium
Mrs. J. H. Morrison
1932-5-1
s.n.
Butte
Durham
Comment
RSA718077
Sisyrinchium bellum
Lowell A. Ahart
2006-7-16
12998
Butte
on the northwest edge of Willow Creek, about 3/4 miles (air) northwest of Jonesville, about 5 miles (air) northwest of Butte Meadows
1516
Comment
UC844610
Smilacina racemosa
A. A. Heller
1915-6-11
11968
Butte
Chico Meadows Sierra Nevada
1219
Comment
SEINET10469849
Smilax californica
Mary Susan Taylor
1975-6-25
Taylor 805
Butte
Richardson Springs on Mud Creek, ca. 3 mi NE of Cohasset Hwy, ca. 6 mi N of Chico, ca. 1 mi NE of the Hotel at the Springs. With Gary Jones.
244
Comment
CDA18814
Solanum elaeagnifolium
K. Ewing
1999-8-31
PDR 1174282
Butte
Corner of Centennial and Manzanita Ave., Chico.
0
Comment
CHSC77027
Solanum elaeagnifolium
David Scofield Wilson
1996-10-8
Butte
In the city of Chico: roadside at the southwest corner of Manzanita Avenue and Centennial Avenue.
82
Comment
CHSC44900
Solidago velutina subsp. californica
Lowell Ahart
1988-7-24
6130
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
SEINET10474960
Soliva pterosperma
Mary Susan Taylor
1980-4-6
Taylor 2440 A
Butte
T8N R5E ec border sec 3. Junction of Rocky Honcut Creek and Swedes Flat Rd, ca. 2 mi E of Oroville-Bangor Hwy, ca. 10 mi SE of Oroville. With L. Ahart & J.D. Jokerst.
366
Comment
JEPS122118
Sonchus asper subsp. asper
Lowell Ahart
2014-5-13
19462
Butte
Below the high water line of Lake Oroville, along the old paved road, about 50 yards west of the Enterprise Boat Ramp, about 11 miles (air) east of Oroville.
Comment
CHSC107249
Sonchus oleraceus
Lowell Ahart
2011-6-3
17360
Butte
Wood chipped planter area between Bidwell Mansion parking area and Gateway Science Museum, Chico.
60
Comment
SEINET10483617
Sorbus scopulina var. cascadensis
Mary Susan Taylor
1981-5-13
Taylor 3706
Butte
T22N R6E se/se sec 5, Pulga SE quad. Jct of 23N15.5, 22N66X, and 22N40X, ca. 2 air mi S of Four Trees Rd, ca. 1 air mi W of Elks Retreat on Oroville-Quincy Hwy. 4200 ft.
1280
Comment
CDA3449
Spergula arvensis subsp. arvensis
L. Ahart
2003-6-23
10307
Butte
Peter Ahart Ranch, about 1/2 mile east of the Palermo Honcut Highway, about 2 miles north of Honcut, about 12 miles south of Oroville.
Comment
CHSC93365
Spergula arvensis subsp. arvensis
Lowell Ahart
2006-4-23
12533
Butte
On the east side of Cherokee Road, about 200 yards south of the cattle chute and parking area on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
424
Comment
CHSC98959
Spergula arvensis subsp. arvensis
Lowell Ahart
2008-5-12
14735
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
CHSC33704
Spergularia marina
L. Ahart
1981-4-6
2743
Butte
On Gray Lodge Waterfowl Mgmt Area, w of the HQ, ca. 8 mi sw of Gridley.
35
Comment
CHSC112244
Spergularia rubra
Lowell Ahart
2013-4-29
18657
Butte
In corral at the barn, about 1/4 mile north of the Honcut Cemetary, about 3 1/4 miles (air) northeast of Honcut.
47
Comment
CHSC41891
Spergularia rubra
Lowell Ahart
1986-8-15
5389
Butte
Along a branch of Last Chance Creek, about 1 mile west of Bald Mountain, about 4 1/2 miles north-east of Stirling City.
1371
Comment
SEINET10454595
Sphenosciadium capitellatum
Mary Susan Taylor
1978-7-18
Taylor 1724
Butte
On N side of Butte Creek, ca. 1/8 mi W of Road Island Junction, at junction of Butte Creek and Old Humboldt Road, ca. 1 mi W of Cherry Hill Campground; Yellow Pine Forest.
1524
Comment
CHSC42793
Spiraea densiflora subsp. densiflora
L. P. Janeway
1987-6-27
2331
Butte
Along Little Kimshew Cr just N of Ramsey Bar. Site of old Ramsey Bar mining and timber center.
1341
Comment
CAS-BOT-BC149654
Spiraea douglasii
A. A. Heller
1914-7-23
11617
Butte
In Chico Meadows
1219
Comment
CHSC1610
Spiraea douglasii
R. M. Staley
1952-7-13
Butte
Butte Creek.
Comment
CHSC45809
Spiraea douglasii
L. P. Janeway; R. A. Schlising
1988-7-22
3045 B
Butte
Near the saddle between Coon Hollow and Chips Cr.
1889
Comment
JEPS121975
Spiraea douglasii
Lowell Ahart
2014-7-16
19686
Butte
About 120 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
CHSC88186
Spiranthes romanzoffiana
Lowell Ahart
2004-8-2
11325
Butte
Small bog in a large meadow, about 200 yards east of Keyser Creek, on the north side of the dirt County Road, about 3/4 mile (air) northeast of Oak Point, about 1/2 mile (air) west of Big Kimshew Creek, about 1 3/4 miles southeast of Bald Mountain.
1452
Comment Read comments Sep 6 2011
CHSC43641
Stachys ajugoides var. rigida
B. Castro
1987-5-18
95
Butte
On w-facing hillside about 1/2 mi e of Hwy 32, ca 9 mi e of Chico via Hwy 32 and Altatina Dr.
451
Comment
CHSC44403
Stachys ajugoides var. rigida
Lowell Ahart
1988-6-23
6063
Butte
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
CHSC65426
Stachys ajugoides var. rigida
Vernon Oswald
1983-7-19
875
Butte
Doon Campground, ca. 1 mi e of Lovelock on the Skyway n-e of Paradise.
822
Comment
CHSC65573
Stachys ajugoides var. rigida
R. Banchero
1980-7-28
314
Butte
Upper margins of Chico Meadows. Ca 1 mi N of jcn of Humboldt Rd and the Skyway, ca 6 mi NE of jcn Humboldt Rd and Hwy 32.
1322
Comment
UC884252
Stachys ajugoides var. rigida
A. A. Heller
1914-7-16
11577
Butte
hills 8 mi n Oroville
Comment
UCLA70947
Stachys ajugoides var. rigida
A. A. Heller
1928-7-15
14684
Butte
Butte Meadows
Comment
SEINET12326804
Stachys palustris subsp. pilosa
Unknown
1983-1
4288
Butte
along small stream that flows into Butte Creek, ca 1 mi E of Butte Meadows
1450
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
CHSC52077
Stachys stricta
B. Castro
1987-7-24
187
Butte
Between curve in Table Mtn Blvd and the W. Pacific RR line.
103
Comment
UC179507
Stebbinsoseris heterocarpa
A. A. Heller
1914-4-13
11282
Butte
8 mi north of Oroville.
Comment
RSA0041906
Stellaria longipes subsp. longipes
H. F. Copeland
1927-9-3
s.n.
Butte
Jonesville.
Comment
CHSC10641
Stellaria media
Lowell Ahart
1968-3-8
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC96550
Stellaria media
Lowell Ahart
2007-3-12
13590
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
CHSC46826
Stellaria obtusa
R. A. Schlising; L. P. Janeway
1988-7-16
4602
Butte
N part of county, NE of Butte Meadows and E of Scott John Creek; near Willow Creek.
1554
Comment
CAS-BOT-BC405342
Stellaria pallida
A. A. Heller
1914-3-29
111242
Butte
Chico, Sacramento Valley
Comment
CHSC58905
Stellaria umbellata
Lowell Ahart
1992-7-21
6816
Butte
In a meadow, north-west of a snow lake, on the south side of Coon Hollow, about 2 (air) miles north-east of Philbrook Reservoir.
1737
Comment
UC1564733
Stellaria umbellata
V. Oswald and L. Ahart
1989-7-21
3876
Butte
ca 0.7 air mi se Summit Lake (ca 4.5 air mi se of Jonesville, sw branch of upper Butte Creek); Butte Creek
1828
Comment
RSA4138
Stephanomeria lactucina
E. B. Copeland
1930-7-24
500
Butte
Jonesville.
1550
Comment
CAS-BOT-BC375765
Stephanomeria virgata
John Thomas Howell
1961-9-22
36741
Butte
Bottom of Feather River, Oroville
53
Comment
SEINET10603897
Stipa lettermanii
K. Bridwell
1978-2-28
Bridwell 48
Butte
Along Oakway Rd., 5 mi. ENE of Magalia, E of Feather River. Foothill Woodland.
762
Comment
HSC103816
Streptanthus
L. Ahart
2006-7-11
12939
Butte
About 50 yds. S of Humboldt Road, ~1.5 air mi. SW of Butte Meadows
1436
Comment
JEPS94722
Streptanthus diversifolius
Lowell Ahart
1998-6-3
7967
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
JEPS98478
Streptanthus drepanoides
Lowell Ahart
2000-5-31
8420
Butte
3 mi SE of Paradise (below high water line of Lake Oroville, 400 yds E of where Kunkle Creek enters Lake Oroville, E of Kunkle Power House)
271
Comment
CHSC33225
Streptanthus longisiliquus
R. E. Preston
1981-6-11
83
Butte
On Carpenter Ridge, ca. 3.2 km sw of Butte Meadows.
1340
Comment
CHSC93961
Streptanthus longisiliquus
R. D. Fischer
2004-6-20
757
Butte
Sierra Nevada Mountains, north-east corner of Butte County and ca. 2 miles west of Butte Meadows on Humboldt Road. Plants collected roadside off eroded, gravelly volcanic soil.
1417
Comment
SEINET10448517
Streptanthus polygaloides
Lowell Ahart
1985-5-15
Ahart 4975
Butte
West of Lunt Road, about 1/2 mile north of the inter- section of Lunt Road and Highway 70, north of Yankee Hill, N of Oroville.
Comment
CHSC36691
Streptanthus tortuosus
R. E. Preston
1982-5-18
284
Butte
On s side of Forbestown reservoir, ca. 4 mi ne of Forbestown.
579
Comment
CHSC25540
Streptanthus tortuosus var. suffrutescens
Robert A. Schlising
1974-4-29
3123
Butte
Lava outcrops of Table Mountain several miles north of Oroville, off Cherokee Road.
365
Comment
CHSC62799
Streptopus amplexifolius var. americanus
B. Castro
1993-8-26
500
Butte
Ca. 0.25 mi SW of Four Trees, off USFS Rd 23N15 ca. 0.6 mi S of its jcn with Four Trees Rd (USFS Rd 23N28).
1463
Comment
CAS-BOT-BC48056
Styrax redivivus
John Thomas Howell
1967-6-22
42643
Butte
Canyon of the North fork of Feather River, 3 miles northeast of Pulga Bridge.
Comment
LA44530
Styrax redivivus
A. A. Heller;
1915-5-25
11891
Butte
Sierra Nevada, ridge above Enterprise
609
Comment
UC426974
Symphoricarpos mollis var. acutus
E. B. Copeland
1930-7-7
479
Butte
Jonesville
1600
Comment
CHSC43136
Symphyotrichum ascendens
Robert Banchero
1981-8-4
643
Butte
Ca 1.7 mi N jct of Scotts-John Rd and Jonesville Rd.
1828
Comment
CHSC31584
Symphyotrichum chilense
Lowell Ahart
1977-9-20
1572
Butte
Along the edges of North Honcut Creek. Peter Ahart Ranch, Honcut.
50
Comment
CAS-BOT-BC99044
Symphyotrichum cusickii
A. A. Heller
1914-8-7
11655
Butte
Butte Meadows
1219
Comment
UC600726
Symphyotrichum foliaceum
H. F. Copeland
1932-8-16
Butte
Butte Creek (woods by) Jonesville
1500
Comment
CAS-BOT-BC98090
Symphyotrichum spathulatum
E. B. Copeland
1930-8-4
485
Butte
Jonesville
1500
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
UC726092
Symphyotrichum spathulatum
A. A. Heller
1928-7-25
14697
Butte
Jonesville and Butte Creek House
Comment
JEPS108934
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
CAS-BOT-BC98326
Symphyotrichum subulatum var. parviflorum
Lowell Ahart
1981-9-10
3150
Butte
Gray Lodge, SW of Gridley.
35
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
CHSC85441
Symphyotrichum subulatum var. parviflorum
R. D. Fischer; Jenny Marr
2003-10-25
12
Butte
Chico. Located in northeast corner of town on the west side of Ceanothus Ave, cross street Brenni. Along drainage channel.
70
Comment
CHSC90634
Tamarix parviflora
Lowell Ahart
2005-4-2
11697
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
CHSC97013
Tanacetum parthenium
L. P. Janeway
2007-6-19
9066
Butte
Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 2.1 road km south of Ponderosa Dam; 1.2 air km south-southwest of Ponderosa Dam and South Fork Feather River.
396
Comment
CHSC32618
Tauschia kelloggii
M. S. Taylor; L. Hanson
1981-3-31
3453
Butte
Landing site on ridge. N side of spur rd, ca. 1/2 mi w of its jct with Ponderosa Way (Rim Rd, rd to Flea Valley), ca. 5 mi n of its jct with Hwy 70 at Jarbo Gap, ca. 18 air mi n of Oroville.
822
Comment
CHSC34796
Tauschia kelloggii
M. S. Taylor
1981-5-15
3754
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
CHSC60949
Tauschia kelloggii
Lowell Ahart
1993-6-16
6972
Butte
South-west of the intersection of Black bart Road and Forbestown Road, about 3 1/2 (air) miles south-west of Forbestown.
609
Comment
CHSC60950
Tauschia kelloggii
Lowell Ahart
1993-6-26
7029
Butte
On the west side of the dirt road, Mooreville Ridge, about 1 mile west of the Lost Creek Reservoir.
1188
Comment
CHSC40323
Thalictrum fendleri var. polycarpum
Ahart; Jokerst
1985-5-10
4954
Butte
Along the east branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam.
320
Comment
CAS-BOT-BC88227
Thysanocarpus curvipes
Mrs. J. H. Morrison
1932-3-13
s.n.
Butte
Durham.
Comment
CHSC11376
Thysanocarpus curvipes
Lowell Ahart
1971-4-5
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC2817
Thysanocarpus curvipes
David Prall
1965-3-14
12
Butte
Next to Neal Rd. 1 mile east of HW. 99E.
106
Comment
CHSC108804
Thysanocarpus curvipes var. elegans
Lowell Ahart
2012-4-9
17840
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
JEPS108848
Thysanocarpus curvipes var. elegans
Lowell Ahart
2006-5-8
12608
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
CAS-BOT-BC67299
Thysanocarpus radians
A. A. Heller
1928-3-12
14481
Butte
Near the Hooker Oak east of Chico.
Comment
HSC95810
Thysanocarpus radians
L. Ahart
2003-3-24
10023
Butte
50 yds. N of the access road to the boat ramp at the Thermalito Afterbay, 200 yds. W of Larkin Rd., 1.25 mi. S of Oroville Airport, 5 mi. SW of Oroville
49
Comment
SEINET11991667
Thysanocarpus radians
Unknown
1984-1
6
Butte
Oroville, on NW side of CA 70, 0.1-0.2 mi NE of its jct with Palermo Rd
61
Comment
UC398900
Tofieldia occidentalis subsp. occidentalis
E. B. Copeland
1929-7-24
349
Butte
Jonesville
1550
Comment
UC1532343
Torilis arvensis
Vernon Oswald
Jun 5 1985-Jun 23 1985
1809
Butte
River Rd. 0.7 mi. s.w. of its junction w/ Chico River Rd.
36
Comment
SFV10340
Torilis arvensis
M. L. Vincent
1963-6-6
376
Butte
Nelson Bar Road, 1 mile east of Pentz Road.
300
Comment
JEPS115610
Torilis arvensis subsp. purpurea
Lowell Ahart
2009-5-23
15725
Butte
On the 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
RSA769599
Torilis arvensis subsp. purpurea
L. Ahart
2009-5-8
15653
Butte
S side of gravel road, about 10 yards E of Cedar Grove Parking Area in Lower Bidwell Park, Chico
67
Comment
JEPS127070
Torilis nodosa
Lowell Ahart
2016-5-30
20895
Butte
Peter Ahart Ranch, about 2 1/2 miles north and 1/4 mile east of Honcut, about 12 miles (air) south of Oroville.
Comment
CHSC19923
Torreya californica
1975-2-23
389
Butte
Abundant ca. 3 mi e of Hwy 32, ca. 5 mi n of Forest Ranch.
Comment
SEINET10471671
Torreya californica
Lowell Ahart
1987-5-9
Ahart 5585
Butte
Along Pulga Road, about 0.25 m W of Bardees Bar along the North Fork of the Feather River, about 2.5 miles south-west of Pulga. Yellow Pine Forest. Uncommon, on dry broken serpentine along a wash.
Comment
CHSC34175
Torreyochloa pallida var. pauciflora
L. Ahart
1981-9-15
3172
Butte
Bottom of a swamp, where the road forks and crosses French Creek, ca. 1 mi w of Sly Creek Reservoir.
1300
Comment
UCD80436
Toxicoscordion fremontii
CNPS SN Foothill Team
2005-4-14
SNFN 0032 a
Butte
Private Rock Ranch pasture, about 120 m south of the ranch house and about 15 m east of the ephemeral creek running through the property.
95
Comment
CHSC101134
Toxicoscordion venenosum var. venenosum
Lowell Ahart
2009-5-15
15713
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 Highway 32, about 10 miles northeast of Chico.
234
Comment
JEPS119804
Tribulus terrestris
Lowell Ahart
2012-5-17
18069
Butte
About 100 yards north of the paved park road, west side of the old walnut orchard, south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico.
Comment
CHSC97718
Trichostema lanceolatum
Lowell Ahart
2007-10-31
14517
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
JEPS63137
Trichostema lanceolatum
H. A. Dutton
1921-1
Butte
Hooker Oak, Chico
Comment
CHSC61321
Trichostema oblongum
Lowell Ahart
1993-7-29
7115
Butte
Near a seep, about 2 1/2 miles north-east of Bald Mountain, about 6 1/2 miles (air) northeast of Stirling City.
1584
Comment
CHSC30717
Trientalis latifolia
M. S. Taylor
1980-5-27
2655
Butte
On trail from parking lot to Big Bald Rock, ca. 3 mi e of Lake Madrone.
975
Comment
CHSC111357
Trifolium
Lowell Ahart
2012-5-4
17992
Butte
On wet dark soil, on the sides of a drainage, about 1/2 mile southwest of the lone pine tree on the rim of Beatson Hollow, about 1 1/4 mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
302
Comment
RSA197054
Trifolium albopurpureum
H. F. Copeland
1929-5-4
884
Butte
Near Chico.
Comment
CHSC92555
Trifolium albopurpureum var. albopurpureum
L. P. Janeway
2005-4-25
8364
Butte
Northern High Sierra Nevada. Plumas National Forest; near top of north end of Rocky Ridge; uppermost slope of northeastern tributary to Concow Reservoir; about 40 m south of Rim Road (Ponderosa Way).
951
Comment
CHSC109655
Trifolium bifidum var. bifidum
Lowell Ahart
2012-5-12
18042
Butte
On the sides of Guardian Trail, about 300 yards north of Humboldt Trail, about 1/8 mile west of Highway 32, south part of Upper Bidwell Park, about 8 miles (air) northeast of Chico.
361
Comment
CHSC30644
Trifolium bifidum var. bifidum
M. S. Taylor
1980-4-16
2498
Butte
Lake Oroville State Recreation Area, ca. 1/4 mi s of Parish Camp, just south of Lime Saddle Memorial Park, ca. 5 mi s of Paradise.
304
Comment
UCD107603
Trifolium breweri
Robert E. Preston
1982-7-21
346
Butte
East end of Philbrook Reservoir.
1706
Comment
CHSC41238
Trifolium campestre
J. D. Jokerst
1985-5-11
2323
Butte
Ravine north of Lake Oroville, south of Box Hall Flat ca. 1/2 mile, ca 1 mile east of Potter Ravine.
Comment
CHSC98981
Trifolium ciliolatum
Lowell Ahart
2008-5-12
14744
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 northwest of the Ponderosa Dam.
258
Comment
SEINET8349805
Trifolium ciliolatum
A. Heller
1926-4-21
13924
Butte
7 miles N of Chico.
Comment
UCSC008268
Trifolium cyathiferum
Lowell Ahart
2006-7-19
13052
Butte
About 40 yards of the abandoned logging road, about 250 yards north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows.
1540
Comment
UCD108339
Trifolium depauperatum
Michael A. Vincent; Ethan H. Freid, Don Banks
1998-4-5
8105
Butte
Table Mountain.
Comment
SEINET7042703
Trifolium depauperatum
A. G. Vestal
1963-5-9
s.n.
Butte
North of Oroville in the Sacramento River Valley and borders of the hill country. Oroville quadrangle UTM Zone 10, 619643mE, 4380357mN.
Comment
CDA38826
Trifolium depauperatum var. depauperatum
L. Ahart
2012-4-3
17935
Butte
On the west side of Guardian Trial, about 300 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
CHSC971
Trifolium depauperatum var. depauperatum
P. Delaplane
1965-3-23
80
Butte
H. Wulitzer Ranch: ca. 13 mi NW of Chico, W of Hwy 99E North.
60
Comment
CHSC110103
Trifolium dubium
L. P. Janeway
2012-5-29
10829
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
CHSC111350
Trifolium dubium
Lowell Ahart
2012-5-2
17970
Butte
On damp dark clay soil, 50 yards south of the fence, west of the Government Pole Line, Upper Bidwell Park, about 1 mile east of Chico.
85
Comment
CHSC96562
Trifolium dubium
L. P. Janeway
2006-4-30
8565
Butte
Cascade Range Foothills. East edge of city of Chico; northwest side of Humboldt Road 2.4 km northeast of Bruce Road.
149
Comment
JEPS98421
Trifolium dubium
Lowell Ahart
2000-5-13
8342
Butte
5 air miles SW of Oroville (S side of access road to boat ramp at the Thermalito Afterbay, W of Larkin Road, 1 1/4 mi S of Oroville Airport)
42
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
CHSC90656
Trifolium jokerstii
Samatha Mackey Hillaire; Charles Hooks
2005-4-9
1214
Butte
North Table Mountain Plateau. About 100 ft SW of AL Chaffin Reservoir.
290
Comment
SD2473
Trifolium kingii
E. B. Copeland
1931-8-1
653
Butte
Jonesville
1700
Comment
CHSC113434
Trifolium longipes subsp. hansenii
Lowell Ahart
2014-7-7
19571
Butte
South of the intersection of Humbug Road and Philbrook Road, about 2 miles (air) northwest of Philbrook Reservoir.
1597
Comment
JEPS103294
Trifolium microcephalum
Lowell Ahart
2002-5-7
9623
Butte
High banks of a pond, at the beginning of a SE branch of Schirmer Ravine, ca 50 yards E of the pond on the E side of Cherokee Road, North Table Mountain, ca 4 miles (air) N of Oroville.
228
Comment
UCD111436
Trifolium microcephalum
R. N. Raynor; H. A. Hannesson
1941-5-9
s.n.
Butte
4 mi. N. of Gridley.
Comment
CHSC103962
Trifolium oliganthum
Lowell Ahart
2010-5-7
16626
Butte
On both sides of Guardian Trail, about 1/2 mile west of Highway 32, Upper Bidwell Park, about 4 1/2 miles (air) northeast of Chico.
238
Comment
CHSC101806
Trifolium repens
Lowell Ahart
2009-6-12
15848
Butte
10 yards north of Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove, Lower Bidwell Park, Chico.
67
Comment
CHSC38530
Trifolium subterraneum
Vernon Oswald
1983-4-6
293
Butte
Upper Bidwell Park, Chico, on Yahi Trail between Brown's Hole and the e end of the park.
195
Comment
CHSC96786
Trifolium subterraneum
Lowell Ahart
2007-4-30
13701
Butte
On the east 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
SEINET10452552
Trifolium tridentatum
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4126
Butte
T20N R8E ne sec 9. Along Ponderosa Way (Big Ridge Rd), ca. 2 mi se of the jct with Oroville-Quincy Hwy, ca. 15 mi ne of Oroville. Foothill Woodland; 500 m.
500
Comment
LA205205
Trifolium variegatum
A. A. Heller;
1913-4-6
10710
Butte
near Big Chico creek, E of Chico
Comment
SEINET7067150
Trifolium variegatum
A. G. Vestal
1947-4-30
s.n.
Butte
Lava field on Table Mountain north of Oroville. Coordinate datum: NAD27. UTM Zone 10, 624251mE, 4380083mN.
Comment
CHSC21044
Trifolium variegatum var. variegatum
M. S. Taylor
1975-4-26
518
Butte
On e side of Kinkle Reservoir, ca. 500 yds e of Pentz-Magalia Hwy, ca. 1 mi s of Paradise.
Comment
CHSC111358
Trifolium willdenovii
Lowell Ahart
2012-5-4
17993
Butte
On damp dark soil, near a drainage,about 1/2 mile southwest of the lone pine tree on the rim of Beatson Hollow, about 1 1/4 mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
302
Comment
CHSC90941
Trifolium willdenovii
Lowell Ahart
2005-4-18
11735
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
JEPS119793
Trifolium willdenovii
Lowell Ahart
2012-5-4
17993
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
POM28362
Trifolium wormskioldii
C. C. Bruce
1898-05
2428
Butte
[No location information provided.]
Comment
CHSC69161
Trillium albidum
Lowell Ahart
1997-8-1
7764
Butte
On the west side of Little Kimshew Creek, Snow Meadow, about 1/4 mile east of Table Mountain.
1524
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
HSC32605
Triphysaria eriantha
R. A. Vanbianchi
1974-4-20
243
Butte
Table Mtn.
305
Comment
JEPS4535
Triphysaria eriantha subsp. eriantha
A. A. Heller
1938-3-27
15003
Butte
near Chico Airport
91
Comment
SD239927
Triphysaria eriantha subsp. eriantha
George K. Helmkamp, E. A. Helmkamp
2012-4-14
18753
Butte
Northwestern Sacramento Valley: Cox Lane, 1.3 miles west of its intersection with La Loma Way, c. 10.3 mi. ENE (82a^z) of Gridley.
91
Comment
SEINET12350111
Triphysaria eriantha subsp. eriantha
Unknown
1998-4-11
5
Butte
Chico, Upper Bidwell Park about 1 km E of Horseshoe Lake, along gravel road that follows Chico Creek
104
Comment
UCR237323
Triphysaria eriantha subsp. eriantha
George K. Helmkamp, E. A. Helmkamp
2012-4-14
18741
Butte
Northern Sacramento Valley, Middle Honcut Road, 1.5 miles east of CA-70, ESE of Gridley
18
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
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
JEPS117642
Trisetum canescens
Lowell Ahart
2010-9-28
17256
Butte
In the shade of Sierra Lodgepole Pine, about 5 yards west of Big Kimshew Creek, meadow edge, about 100 yards east of a 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
CHSC2068
Triteleia bridgesii
N. Maxwell
1929-5-9
Butte
Rock Creek, Shasta Road.
56
Comment
POM169640
Triteleia hyacinthina
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CAS-BOT-BC521612
Triteleia hyacinthina
R. F. Hoover
1938-4-24
3245
Butte
3 mi n. of Chico
Comment
CHSC47080
Triteleia ixioides subsp. anilina
R. A. Schlising; L. P. Janeway
1988-7-1
4559
Butte
NE part of county, at jct of Humbug Road and dirt road to E (above Snag Lake and Butte Creek House).
1859
Comment
SEINET10534137
Triteleia ixioides subsp. anilina
Edwin B. Copel
1929-7-15
Copeland 351
Butte
Jonesville, California In flat, bare openings in pine woods.
Comment
RSA378065
Triteleia ixioides subsp. scabra
M. M. Boney
s.n.
Butte
[No locality information provided]
Comment
SEINET10472682
Triteleia ixioides subsp. scabra
Mary Susan Taylor
1980-5-27
Taylor 2728
Butte
N side of Oroville-Quincy Hwy, ca. 2 mi S of Lake Madrone.
610
Comment
UC727124
Triteleia ixioides subsp. scabra
A. A. Heller
1938-4-23
15047
Butte
between the Las Plumas road and Jarboe Pass (on the Feather River Highway)
609
Comment
CAS-BOT-BC525792
Triteleia ixioides subsp. unifolia
A. A. Heller
1938-4-14
15032 a
Butte
Table Mountain, Upper Sonoran Life Zone
304
Comment
CHSC56827
Triteleia laxa
S. Scott
1981-4-24
Butte
1.4 km e of Manzanita Ave and Centenial Ave intersection on Centenial Ave; ca. 3 km e of Chico.
97
Comment
SJSU15291
Triteleia laxa
Lisa Morton
2002-3-31
21
Butte
Upper Bidwell Park, Base Middle Trail just off parking lot.
50
Comment
SEINET10533910
Triteleia lilacina
A. Arthur Heller
1938-4-11
Heller 15023
Butte
Slope north of the golf links east of Chico in thin, red clay soil derived from disintegrated lava. Upper Sonoran Life Zone, elev. about 300 feet.
91
Comment
CAS-BOT-BC200543
Tuctoria greenei
Beecher Crampton
1960-6-15
5621
Butte
11 miles southeast of Chico, along US Hwy. 99E
Comment
CHSC12938
Tuctoria greenei
K. R. Stern
1974-6-30
5767
Butte
Vernal pool, ca. 100 yards e of Hwy 99E and 0.4 mi se of intersection with Pentz Road. Ca. 10 mi se of Chico.
Comment
UCD33120
Tuctoria greenei
Beecher Crampton
1966-6-26
7766
Butte
10 miles SE of central Chico, 0.4 mile S of US Hwy. 99E and Pentz Road juction.
Comment
CAS-BOT-BC73911
Turritis glabra
E. B. Copeland
1929-7-29
366
Butte
Jonesville.
1550
Comment
CHSC77058
Umbellularia californica
L. P. Janeway
2000-1-29
6631
Butte
Cascade Range Foothills. Along old Hwy 32, 300 ft North of current Hwy 32, 9.4 mi north-northeast of Hwy 99/Chico.
518
Comment
CAS-BOT-BC381812
Uropappus lindleyi
Lewis S. Rose
1963-6-2
63070
Butte
2 mi south of Pulga, North Fork of Feather River
579
Comment
CAS-BOT-BC381822
Uropappus lindleyi
Lowell Ahart
1985-4-29
4883
Butte
Along the steep 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
JEPS119843
Uropappus lindleyi
Lowell Ahart
2012-3-23
17782
Butte
About 50 yards west of Ten Mile House Road, about 3/4 mile west of Highway 32, about 9 miles (air) northeast of Chico.
Comment
UC1562419
Uropappus lindleyi
Lowell Ahart
1990-6-16
6508
Butte
on the s side Forbestown Reservoir (just s of the Forbestown Generator)
487
Comment
HSC104022
Urtica dioica subsp. holosericea
L. Ahart
2012-9-28
18464
Butte
Chico, Lower Bidwell Park; ~ 200 yds. E of the east end of Sycamore Pool in Big Chico Creek, ~30 yds. N of Big Chico Creek
64
Comment
JEPS120889
Utricularia gibba
Lowell Ahart
2013-7-6
18825
Butte
Peter Ahart Ranch, about 1.75 miles N and 1.5 miles E of Honcut, about 12 air miles SE of Oroville.
Comment
CHSC46560
Vaccinium membranaceum
V. Oswald; L. Ahart
1989-7-12
3857
Butte
Slightly w of the Skyway, 1.4 mi s of Inskip.
1426
Comment
CHSC89909
Vaccinium membranaceum
W. A. Sears; N. L. Jurjavcic
2004-7-30
Butte
Northern High Sierra Nevada. Located on the southeastern arm of Sly Creek Reservoir, right at the high water mark.
1066
Comment
CHSC33280
Vaccinium parvifolium
R. A. Schlising
1980-6-14
3708
Butte
NE of Oroville at Little Bald Rock.
1051
Comment Read comments Feb 8 2016
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
CHSC42732
Velezia rigida
Lowell Ahart
1987-5-6
5520
Butte
Along the edge of the road at the Poe Power House on the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap.
283
Comment
HSC93415
Velezia rigida
L. Ahart
1995-5-30
7582
Butte
S of Beatson Hollow, 1/8 mi. N of Cherokee Road, N Table Mtn., 7 mi. N of Oroville.
335
Comment
SEINET10537543
Velezia rigida
Mary Susan Taylor
1980-5-31
Taylor 2766
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
SEINET12318327
Verbascum thapsus
M. Sacks, Detzer
1977-1
24
Butte
S side of Honey Run Rd., ca 1 km E of Covered Bridge. oroville
Comment
CHSC40372
Verbena lasiostachys var. scabrida
Lowell Ahart
1985-5-6
4937
Butte
On the bottom of Lindo Channel, about 1/10 mile east of Longfellow Avenue, Chico.
60
Comment
UCR188575
Verbena litoralis
George 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
CHSC28623
Veronica anagallis-aquatica
M. S. Taylor
1979-10-2
2214
Butte
In sand bar in Sacramento River at Chico Landing, ca. 5 mi w of Chico.
30
Comment
SEINET10548229
Veronica anagallis-aquatica
Lowell Ahart
1985-5-6
Ahart 4935
Butte
Bottom of Lindo Channel, about 1/10 mile east of Longfellow Ave., Chico.
Comment
CHSC115192
Veronica arvensis
Lowell Ahart
2015-4-27
20084
Butte
On the north side of the dirt road, about 5/8 mile northwest of the iron gate of the dirt road, along Cherokee Road, Beatson Hollow, North Table Mountain, about 7 miles (air) north of Oroville.
304
Comment
CDA6492
Veronica arvensis
Sterling O. Mattoon
1968-4-29
Butte
1st & Salem Streets, Chico.
0
Comment
CDA6489
Veronica catenata
L. Ahart
2006-9-28
13376
Butte
On the 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.
Comment
JEPS102324
Veronica hederifolia
Lowell Ahart
2001-4-21
8731
Butte
4 1/2 air miles NE of Gridley (N side of Palm Avenue, 30 yds E of the cement bridge, 1/4 mi E of Larkin Rd)
32
Comment
CHSC103946
Veronica peregrina subsp. xalapensis
Lowell Ahart
2010-5-22
16708
Butte
About 100 yards east of the fence, about 200 yards east of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
385
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
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
SEINET10547692
Veronica peregrina var. xalapensis
Mary Susan Taylor
1982-4-28
Taylor 4350
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
CHSC20096
Veronica persica
M. S. Taylor
1975-4-6
436
Butte
On se corner of Arcadian St and 3rd Ave, Chico.
60
Comment
CHSC46291
Vicia americana var. americana
Vernon Oswald
1989-5-11
3766
Butte
Carpenter Ridge on the n side of Humboldt Rd, ca. 2 mi ne of Hwy 32 (Lomo), w of the 4533 ft benchmark.
1365
Comment
CHSC50045
Vicia americana var. americana
Lowell Ahart
1990-4-8
6444
Butte
On the south side of Pacific Heights Road, about 3 1/2 miles southwest of Oroville.
33
Comment
UC454083
Vicia americana var. americana
Miss Kate Conger
1907-1
Butte
Brush Creek
Comment
UC171798
Vicia benghalensis
R. McKee
1907-1
18131
Butte
Chico
Comment
CHSC44960
Vicia sativa subsp. nigra
Lance E. Neuman
1987-4-10
12
Butte
Ca. 100 yd n of Horseshoe Lake.
106
Comment
JEPS117894
Vicia villosa subsp. varia
L. P. Janeway
2008-3-18
9240
Butte
Cascade Range Foothills. East edge of City of Chico; south side of Humboldt Road 1.4 km northeast of Bruce Road
126
Comment
CHSC3866
Vinca major
Gary Dutton
1966-3-16
123
Butte
C.S.C. north side of Science Bld. along Chico Creek.
Comment
CAS-BOT-BC263896
Viola adunca
H. F. Copeland
1920-5-20
s.n.
Butte
Jonesville
1219
Comment
CHSC45730
Viola douglasii
J. Marr
1988-3-18
19
Butte
N side of Concow Rd 6 mi w of Hwy 70, 18 mi n of Oroville.
633
Comment
UCR188702
Viola lobata
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
CHSC2012
Viola lobata subsp. lobata
M. Underhill
1952-7-2
Butte
304
Comment
CHSC37140
Viola lobata subsp. lobata
L. Ahart
1982-5-8
3415
Butte
Ca. 1/2 mi sw of Forbestown Reservoir, ca. 4.5 mi ne of Forbestown.
800
Comment
CAS-BOT-BC530095
Viola lobata subsp. lobata
Clarence R. Quick
1952-6-30
52 -106
Butte
Big Bar Mountain, east of Pulga
Comment
UC478497
Viola macloskeyi
E. B. Copeland
1931-5-9
661
Butte
Jonesville
1500
Comment
UCD111047
Viola macloskeyi
H. F. Copeland
1929-6-20
s.n.
Butte
Jonesville.
1524
Comment
SEINET11991673
Viola purpurea
Unknown
1976-1
11
Butte
2 mi E of jct Ponderosa Way and Hwy 32, 22 mi Ne of Chico
427
Comment
JEPS114179
Viola purpurea subsp. purpurea
L. P. Janeway
2007-5-6
8972
Butte
Northern High Sierra Nevada. Ridge top along a side road north off the road from Sawmill Peak to Flea Valley, 1.8 air km northeast of Sawmill Peak.
Comment
CAS-BOT-BC203024
Vitis californica
John Thomas Howell
1961-9-22
36751
Butte
Feather River Highway 3 miles from Oroville
Comment
CHSC101747
Vitis californica
Lowell Ahart
2009-5-23
15745
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 Highwat 32, about 10 miles northeast of Chico.
203
Comment
CHSC54382
Vulpia microstachys var. ciliata
M. Bailey
1991-4-5
561
Butte
Butte College Campus. Ca 100 feet w of the Recycling Center on Butte Campus Drive.
85
Comment
UCD18877
Vulpia microstachys var. ciliata
Vernal Pool Team 2001; Carol Witham and Jennifer Buck
2001-5-3
185
Butte
off of Hwy 99, 2 mi. north of its intersection with Hwy 149, Book Family Farm, Book Ranch Site, pool # BOO072, UTMs: 10S0611198; 4386920.
Comment
CHSC31745
Vulpia microstachys var. pauciflora
L. Ahart
1972-5-8
100
Butte
Bottom of a wash, Peter Ahart Ranch, Honcut.
45
Comment
CHSC42444
Vulpia microstachys var. pauciflora
Lowell Ahart
1987-5-6
5562
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
CHSC38868
Vulpia myuros
Vernon Oswald
1983-2-14
78
Butte
Upper Bidwell Park, Chico, beside Yahi Trail ca. 400 ft w of Salmon Hole.
146
Comment
CAS-BOT-BC184704
Vulpia myuros subsp. megalura
A. A. Heller
1914-4-6
11269
Butte
Hills 8 miles north of Oroville
Comment
CHSC38124
Vulpia myuros var. hirsuta
R. L. Ondricek-Fallscheer
1982-3-22
131
Butte
Along Hwy 149, ca. 1 mi e of jct. of Hwy 99 and Hwy 149; ca. 11 mi se of Chico (Hwy 32).
60
Comment
CHSC103015
Wolffia globosa
Lowell Ahart
2009-10-8
16411
Butte
In a deep large ditch, on the east side of the road, about 20 yards east of Parking Lot 13, Gray Lodge Waterfowl Management Area, about 7 miles (air) southwest of Gridley.
19
Comment
RSA500141
Wolffiella oblonga
Vernon H. Oswald
1989-10-18
4026
Butte
West end of Liberty Road along the north boundary of Gray Lodge Wildlife Area
Comment
CHSC30998
Woodwardia fimbriata
M. S. Taylor
1980-10-6
3354
Butte
S side of Hwy 70, ca. 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
CAS-BOT-BC382899
Wyethia angustifolia
L. P. Janeway
1995-6-28
4822
Butte
South side of Watson Ridge about 1.5 mi south of Pompys Point
1097
Comment
CHSC38395
Wyethia angustifolia
Vernon Oswald
1983-5-14
481
Butte
Upper Bidwell Park, Chico, ca. 50 ft n of the trail on the north rim ca. 1.2 mi e of the power lines.
341
Comment
CHSC40666
Wyethia bolanderi
J. D. Jokerst; L. Ahart
1984-3-20
1949
Butte
Adjacent to and n of Ponderosa Rd. (Bloomer Rd.) at a point 1.45 miles n of its junction with Hwy 162, 3 miles SW of Berry Creek.
Comment
UC478457
Wyethia mollis
E. Copeland
1931-7-14
Butte
Jonesville
1600
Comment
UCD169663
Xanthium spinosum
Lowell Ahart
2011-7-30
17619
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles (air) south of Oroville.
33
Comment
CAS-BOT-BC383674
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
CHSC39952
Yabea microcarpa
Lowell Ahart
1984-4-3
4539
Butte
Along North Honcut Creek, ca. 1 mile N and 2.7 miles E of Honcut; on Peter Ahart Ranch.
50
Comment
UCD128191
Yabea microcarpa
Lowell Ahart
1974-4-24
438
Butte
along North Honcut Creek, Peter Ahart Ranch, about 1.25 miles north and 3 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
SBBG128028
Zeltnera venusta
L. Ahart
2010-6-9
16781
Butte
bare open pasture field, ca. 50 yards S of the poor dirt rd, ca. 120 yards E of the fence, ca. 170 yards E of where you park, SE of Cherokee Rd, N Table Mtn, ca. 4 1/2 mi NE of Oroville
393
Comment
CAS-BOT-BC530526
Zigadenus fremontii
Lowell Ahart
1975-6-23
314
Butte
Near Hornet
60
Comment
CDA13886
Zigadenus paniculatus
G. F. Hrusa, T. D. Wilfred
1997-5-8
13744
Butte
Sierra Nevada; Above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive.
Comment
CAS-BOT-BC534279
Zigadenus venenosus
A. A. Heller
1928-6-20
I 4669
Butte
Butte Meadows
Comment