Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page .
Turn on yellow flags to show possible range discrepancies.
Read more ...
?
Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
POM220653
Abies magnifica
H. F. Copeland
1928-8-29
331
Butte
Near Jonesville. Summit of Humboldt Road.
2134
Comment
CHSC94124
Abutilon theophrasti
Lowell Ahart
2006-7-4
12912
Butte
In an idle rice field, Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
29
Comment
CHSC3465
Acacia decurrens
Roger Jaegel
1966-2-15
10
Butte
Collected three blocks north from A.J. Hamilton School. Chico.
Comment
SBBG28938
Acer glabrum
E. B. Copeland
1930-6-28
Butte
Jonesville
2100
Comment
CHSC43581
Acer macrophyllum
Vernon Oswald
1987-4-27
2345
Butte
Paradise Lake between the picnic Area and Doon Creek.
777
Comment
CHSC108830
Acer negundo
Lowell Ahart
2012-4-17
17871
Butte
On the west side of Gridley Road, about 1/8 mile southeast of the bridge over the Feather River, about 2 miles west of Highway 70.
28
Comment
CHSC6000
Acer palmatum
M. MacArthur
1968-6-19
272
Butte
Lawn in front of ADM. bld., near main entrance, Chico State College.
60
Comment
UC201330
Achillea millefolium
A. A. Heller
1917-7-26
12835
Butte
open places in the yellow pine forest Butte Meadows
1402
Comment
POM289125
Achillea millefolium
Lyman Benson
3957
Butte
First Summit, Oroville-Quincy, Sierra Nevada, Feather River Watershed
1829
Comment
CHSC109860
Achnatherum lemmonii
L. P. Janeway
2012-6-7
10857
Butte
Northern High Sierra Nevada. Southwestern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines.
895
Comment
CHSC27659
Achnatherum lemmonii
Robert A. Schlising
1978-4-23
3229
Butte
Magalia; just S of the Magalia Reservoir (just W of S. T. RR and Coutelenc Road).
Comment
CHSC41351
Achnatherum lemmonii
R. A. Schlising; R. Banchero
1980-7-7
3861
Butte
E part of country, NE of village of Feather Falls.
1280
Comment
RSA712918
Achnatherum lemmonii var. lemmonii
L. P. Janeway
2006-5-28
8638
Butte
Northen High Sierra Nevada, West side of Concow Road about 3.2 mi NE of upper end of Concow Reservoir
Comment
SEINET10663560
Achnatherum occidentale
Lowell Ahart, Vernon H. Oswald
1999-7-26
Ahart 8123
Butte
T18N, R12E, southwest 1/4 Section 34. On a ridge about 75 yards west of Grouse Ridge Road (Road 14) and about 1/2 mile southwest of the Lookout, about 5.5 miles northeast of Bowman Lake Road (Road 18), about 4.5 miels (air) south of Bowman Lake.
2134
Comment
CHSC28137
Achyrachaena mollis
J. D. Jokerst
1979-5-6
216
Butte
N of Rock Creek, 300 m. n of intersection Rock Creek Road and Cohasset Hwy.
106
Comment
CHSC28476
Acmispon americanus var. americanus
Robert Schlising
1979-8-17
3467
Butte
Richvale vernal pools. 1/4 mi s of jct hwys 162 to Oroville and 99, along the latter and across from Thermalito Afterbay.
Comment
CHSC97720
Acmispon americanus var. americanus
Lowell Ahart
2007-10-31
14518
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
UCD103793
Acmispon americanus var. americanus
L. E. Hazeltine
1916-7-21
s.n.
Butte
Chico.
Comment
CHSC117000
Acmispon brachycarpus
Lowell Ahart
2016-6-4
20921
Butte
On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown.
387
Comment
CHSC43416
Acmispon brachycarpus
Lowell Ahart
1977-4-28
1322
Butte
Along the edge of Ponderosa Way, near the Ponderosa Dam, about 4 miles north-west of Forbestown.
457
Comment
CHSC90520
Acmispon brachycarpus
Richard A. Nichols
1980-4-19
10
Butte
1 yd above current shoreline of w branch of Lake Oroville, ca. 500 yds n of Lime Saddle Marina boat ramp.
286
Comment
UCD103753
Acmispon denticulatus
A. A. Heller
1914-5-1
11342
Butte
Chico-Hamilton road 6 miles from Chico.
Comment
HSC23345
Acmispon micranthus
R. N. Bowman
1971-4-16
11
Butte
11.7 mi. E of Hwy. 70 on Pentz Rd.
91
Comment
CHSC52673
Aconitum columbianum var. columbianum
Kirsten Tarp
1983-8-12
348
Butte
NW of Philbrook Reservoir, near streamlet.
1798
Comment
CHSC69036
Adenocaulon bicolor
Lowell Ahart
1997-8-1
7801
Butte
On the south side of the County Road, southwest of Keyser Creek, about 1 1/2 miles southest of Bald Mountain, about 6 miles (air) northeast of Stirling City.
1432
Comment
CHSC12122
Adiantum aleuticum
K. O. Grigsby
1972-4-26
1
Butte
4 mi w of Nimshew on Centerville Rd. 15 mi e of Chico on s side of road.
304
Comment
SEINET10529852
Adiantum capillus-veneris
Mary Susan Taylor
1980-4-19
Taylor 2540
Butte
S side of Humbug, NE of Centerville. With J.D. Jokerst.
366
Comment
CHSC31739
Aegilops triuncialis
L. Ahart
1976-5-2
1089
Butte
Peter Ahart Ranch, Honcut.
45
Comment
JEPS98705
Aegilops triuncialis
Lowell Ahart
2000-5-16
8357
Butte
5 air miles SW of Oroville (Thermalito Afterbay, N side of access road to boat ramp, W of Larkin Road, 1 1/4 mi S of Oroville Airport)
42
Comment
CHSC4455
Aesculus californica
C. Glascock
1965-3-17
290
Butte
Ca. 50 ft. downstream from E end of covered bridge on the Honey Run Rd., near Chico.
Comment
CHSC50541
Agoseris aurantiaca
Vernon Oswald
1990-7-3
4344
Butte
Headwaters of the east branch of Willow Creek, ca. 0.75 mi south of Humbug Summit, ca. 4.75 mi east of Jonesville.
1950
Comment
CHSC20249
Agoseris heterophylla
M. Banning
1969-4-18
61
Butte
Junction of Pentz Rd. and Pentz Magalia Rd.
304
Comment
CHSC39051
Agoseris retrorsa
R. A. Schlising; R. Banchero
1981-5-20
4061
Butte
Lumpkin Ridge E of Feather Falls and E of Oroville.
1280
Comment
CHSC42393
Agoseris retrorsa
Lowell Ahart
1977-4-28
1328
Butte
Near Ponderosa Way, near the Ponderosa Dam, north-west of Forbestown.
365
Comment
CHSC79442
Agoseris retrorsa
G. F. Hrusa
1997-5-1
13715
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'].
780
Comment
CHSC70813
Agrimonia gryposepala
B. Castro; H. Durio, L. Gehrung
1995-7-24
590
Butte
Ca 1.5 air mi S of Hungry Hunt Oeak, and 1.5 mi E of Hwy 70, ca 0.2 mi S on 'A' Spur off USFS Rd 22N84.
914
Comment
UC1137063
Agrostis
August L. Hormay
1929-8-10
Butte
near Graham Mine; Philbrook
Comment
JEPS119956
Agrostis avenacea
Lowell Ahart
2012-6-5
18167
Butte
North of Beatson Hollow, about 1 3/4 miles northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 6 miles (air) north of Oroville.
Comment
CHSC50567
Agrostis capillaris
Vernon Oswald
1990-7-9
4357
Butte
Paradise Lake, ca. 3 mi north of Magalia.
777
Comment
CHSC71206
Agrostis exarata
Lowell Ahart
1998-6-30
8016
Butte
On the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
UC1563282
Agrostis exarata
Lowell Ahart
1990-9-30
6608
Butte
about 1/8 mi ne Canyon Creek Bridge across Lake Oroville (below the high water line of Lake Oroville); Lake Oroville, East Fork of Canyon Creek
243
Comment
SEINET10789990
Agrostis exarata
Lowell Ahart
1988-7-31
Ahart 6152
Butte
Spike Bentgrass. On damp soil, around stream rounded boulders, on the east side of West Branch of the Feather River, north of the bridge, about 4 road miles north of Stirling City, Butte County, California.
914
Comment
CHSC39258
Agrostis hendersonii
Lowell Ahart
1983-6-26
4167
Butte
Near Bean Creek Road, about 1/4 mile south of Little Bald Rock, about 20 miles north-east of Oroville.
1000
Comment
CHSC96787
Agrostis hendersonii
Lowell Ahart
2007-5-22
13899
Butte
Along swales, on Big Bald Rock, about 14 miles (air) northeast of Oroville.
955
Comment
JEPS98366
Agrostis hendersonii
Lowell Ahart
2000-6-27
8515
Butte
12 air miles NE of Oroville (Big Bald Rock, 3 air miles E of Madrone Lake)
993
Comment
JEPS110248
Agrostis microphylla
Lowell Ahart
2006-5-3
12560
Butte
On the west side of a small stream, 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
378
Comment
CHSC59035
Agrostis pallens
Lowell Ahart
1992-7-26
6838
Butte
On the south side of Coon Hollow, about 1/2 mile north of the Carr Mine, about 2 (air) miles south of Snow Mountain.
1737
Comment
JEPS107519
Agrostis stolonifera
Lowell Ahart
2005-7-13
12150
Butte
About 20 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville
759
Comment
CAS-BOT-BC138575
Agrostis variabilis
A. A. Heller
1914-8-7
11660
Butte
At the summit of Jonesville.
2133
Comment
CHSC104830
Aira caryophyllea
Lowell Ahart
2010-6-1
16753
Butte
On the south side of the Guardians Trail, about 150 yards east of the end of Centennial, Upper Bidwell Park, about 1/2 mile east of Chico Canyon Road.
125
Comment
CHSC29993
Aira elegans
L. Ahart
1980-4-13
2079
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CDA43078
Albizia julibrissin
L. P. Janeway
2011-7-7
10503
Butte
Sacramento Valley.; Near edge of water, south side of Feather River just east of Bedrock Park, Oroville.
Comment
CHSC66451
Alisma triviale
Vernon H. Oswald; Lowell Ahart
1996-6-10
7764
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Vernally flooded slough near the center of the E side of Tract 5 (W side of dike at the SW corner of Tract 6), Sanctuary I.
30
Comment
UCD137959
Alisma triviale
L. Ahart
1975-7-5
853
Butte
North Honcut Creek, Peter Ahart Ranch, Honcut.
45
Comment
CHSC116575
Allium amplectens
B. Castro; Robin Carter
2016-3-30
2127
Butte
Sacramento Valley. CA1.6 air mi E of Hwy 99, 2 mi S of Hwy 162E and 1.5 mi SSW of the Oroville Airport, off N edge of SE ortion of the Thermalito Afterbay, near S end of old Wilbur Road.
44
Comment
CAS-BOT-BC460739
Allium amplectens
A. A. Heller
1914-4-16
11299
Butte
In a field near the Plant Introduction Garden, Cico-Centerville road, 2 miles from Chico.
Comment
SEINET3884197
Allium amplectens
James L. Reveal
1988-6-3
7005
Butte
Paradise, 0.2 mile south of Bennett Road along South Libby Road onto the northern end of Morgan Ridge.; 0
518
Comment
UCD138465
Allium amplectens
L. Ahart
1978-4-13
1634
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CAS-BOT-BC466720
Allium cratericola
Freed W. Hoffman
1951-3-19
3771
Butte
Table Mountain, 6.2 miles north of Oroville-Chico Highway
Comment
HSC66340
Allium cratericola
M. S. Taylor, Jim Jokerst
1980-4-27
2563
Butte
Table Mtn. 5 mi. N of Oroville
610
Comment
CAS-BOT-BC135818
Allium jepsonii
B. Castro
1993-7-13
487
Butte
Ca 2.5 mi SSW of Big Bar Mtn, on gentle SSE-facing slope on the N side of USFS rd 22N84, on serpentine outcrop which extends for 0.2 mi along the road.
944
Comment
CHSC62604
Allium jepsonii
B. Castro
1993-8-3
491
Butte
Ca 1 mi S of Big Bar Mtn, 0.5 mi SE of Hungry Hunt Peak, on USFS Rd 22N83 ca 0.1 mi W of its jcn with Rd 23N28.
1127
Comment
CHSC36947
Allium obtusum var. conspicuum
D. Burk; R. A. Schlising, K. Tharp
1982-6-16
4297
Butte
NE part of county, NE of Oroville and Oroville-Quincy Hwy; at corner of Walker Plains.
1554
Comment
CHSC36950
Allium peninsulare
M. S. Taylor
1982-5-2
4391
Butte
On n side of Hwy 70 at Pulga bridge, ca. 20 air mi ne of Oroville.
487
Comment
CHSC40769
Allium peninsulare
Lowell Ahart
1985-5-15
5003
Butte
1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res.
731
Comment
CAS-BOT-BC132077
Allium peninsulare var. peninsulare
Lowell Ahart
1985-5-15
5003
Butte
1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res.
800
Comment
CAS-BOT-BC474066
Allium platycaule
A. A. Heller
1915-6-16
12024
Butte
Summit of Sierra Nevada above Jonesville
2133
Comment
UCD118003
Allophyllum divaricatum
L. Ahart
1984-6-8
4664
Butte
At the Ponderosa Dam, ca. 2 miles NW of Forbestown.
370
Comment
CHSC35100
Allophyllum integrifolium
R. A. Schlising
1980-7-16
3911
Butte
NE of Butte Meadows and SW of Jonesville, near Cherry Hill Campground. At Butte Creek streamside.
Comment
CDA40009
Allophyllum integrifolium
T. C. Fuller
1962-7-12
9186
Butte
Road to Jonesville, 2 miles east of Butte Meadows.
0
Comment
UCD109998
Alnus rhombifolia
Kathy Corson
1969-4-6
17
Butte
Big Chico Creek just inside entrance off East 4th Street to Bidwell Park, Chico.
Comment
CHSC49504
Alopecurus aequalis
Vernon Oswald; Lowell Ahart
1987-7-1
3060
Butte
Lily Pond' located ca. 0.6 mi (air) w of Butte Creek House and 0.25 mi s of Humbug Rd., ca. 2.75 mi (air) se of Jonesville.
1813
Comment
SEINET237587
Alopecurus carolinianus
Carl M. Wick
1986-4-2
Butte
1/2 mile east of Richvale Richvale East/ Erickson Road.
Comment
CHSC8196
Alopecurus saccatus
D. McClain
1969-4-18
59
Butte
1/2 mi. n.w. of gate on Table Mountain, 5 mi. s.w. on Cherokee Rd. from its junction with Feather River Highway.
487
Comment
RSA726362
Amaranthus albus
L. Ahart
2007-7-2
14240
Butte
East road edge of Oroville Quincey Highway, about one mile south of Big Ridge Road, about 9 miles (air) northeast of Oroville.
363
Comment
UC204582
Amaranthus albus
A. A. Heller
1914-7-20
11579
Butte
8 mi n Oroville
Comment
CHSC51345
Amaranthus californicus
Vernon Oswald
1990-8-14
4432
Butte
West branch of Lake Oroville, Lime Saddle Recreation Area, Nelson Bar access, near the Lime Saddle Powerhouse.
259
Comment
JEPS128595
Amaranthus deflexus
Lowell Ahart
2017-8-1
21652
Butte
Park west of railroad, northeast of the intersection of Virginia Street and Sycamore Street, in Gridley.
Comment
CHSC112628
Amaranthus palmeri
Lowell Ahart
2013-10-16
19111
Butte
On the west side of Highway 99E, about 20 yards south of B Street, about one mile east of Biggs.
30
Comment
HSC102798
Amaranthus palmeri
L. Ahart
2013-10-16
19111
Butte
West side of Hwy. 99E, ~ 1.0 mi. E of Biggs, and ~ 20 yds. south of B Street.
30
Comment
CHSC38258
Amaranthus retroflexus
Vernon Oswald
1983-6-27
769
Butte
Upper Bidwell Park, Chico, at the edge of the Horse Arena. Growing in disurbed area along the edge of the parking lot.
79
Comment
SEINET10906932
Ammannia auriculata
Mary Susan Taylor
1978-9-8
Taylor 1889
Butte
Along flood control slough, ca. 4 mi N of Chico, along Hwy 99.
61
Comment
HSC97004
Ammannia coccinea
L. Ahart
2006-8-5
13084
Butte
Peter Ahart Ranch, ca. 1.5 mi. N and 300 yards E of Honcut, ca. 12 mi. S of Oroville.
30
Comment
JEPS119611
Amsinckia eastwoodiae
Lowell Ahart
2012-4-9
17821
Butte
Along South Rim Trail, about 100 yards north of the homes, south part of Upper Bidwell Park, about 1/4 mile east of the power lines, about 1 1/4 miles (air) northeast of Chico.
Comment
UC1178253
Amsinckia eastwoodiae
Francia Chisaki with R. Bacigalupi and G. T. Robbins
1956-4-19
680
Butte
western section of town near road above the gorge Paradise
Comment
UC1191045
Amsinckia intermedia
Francia Chisaki with R. Bacigalupi and G. T. Robbins
1956-4-19
682
Butte
near bridge on West Branch of Feather River (on Nelson Bar Road)
Comment
UC725863
Amsinckia intermedia
A. A. Heller
1942-4-26
Butte
Oregon City Road
Comment
CHSC33135
Amsinckia menziesii
J. D. Jokerst
1980-4-17
604
Butte
Top of Table Mt, - N of Cherokee Rd.
426
Comment
CHSC37420
Amsinckia menziesii
R. A. Schlising; J. D. Jokerst, R. Banchero
1981-3-22
4004
Butte
NW of Oroville and n of Thermalito Forebay, in the Campbell Hills.
106
Comment
RSA0090974
Amsinckia verna
A. A. Heller
1939-3-23
15354
Butte
Along the highway near Wick s Corner.
Comment
CHSC65902
Anagallis arvensis
Vernon H. Oswald
1996-4-20
7397
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Large population growing on a low levee in formerly irrigated pasture in the S paddock of Tract 7, Sanctuary II.
32
Comment
SEINET10449591
Anagallis arvensis
Mary Susan Taylor
1975-4-26
Taylor 517
Butte
Kunkle Reservoir, ca. 500 yds E of Pentz-Magalia Hwy, ca. 1 m SE of Paradise. With Orthocarpus erianthus, Centaurea solstitus, Lupinus bicolor, Typha latifolia.
610
Comment
CHSC42004
Anaphalis margaritacea
Lowell Ahart
1975-9-4
972
Butte
Along the South Fork of the Feather River, about 1/2 mile north of Golden Trout Crossing, about 15 miles north of Feather Falls.
762
Comment
CHSC67154
Ancistrocarphus filagineus
James D. Jokerst
1992-4-14
3345
Butte
Stone Ridge Ranch survey for Heritage Partners and landowner Jon Bechtel. E of Cohasset Hwy. and Chico Municipal Airport.
91
Comment
CHSC42570
Angelica californica
Vernon Oswald
1985-6-6
1813
Butte
Near Centerville Flume 0.5 mi downstream from its crossing on Humbug Rd.
341
Comment
CDA4907
Anoda cristata var. digitata
F. R. Platt
1957-9-27
324 -57
Butte
Oroville.
0
Comment
CAS-BOT-BC84690
Anthemis cotula
Helen M. Edwards
1917-6-1
s.n.
Butte
De Sabla
Comment
CHSC31891
Anthriscus caucalis
L. Ahart
1977-5-4
1350
Butte
On moist soil in shade of old shearing barn. Peter Ahart Ranch, Honcut.
50
Comment
CHSC39646
Anthriscus caucalis
Lowell Ahart
1983-4-10
3928
Butte
About 1 1/2 miles north-east of Highway 99 and Pentz Road.
100
Comment
CHSC38683
Antirrhinum cornutum
Vernon Oswald
1983-6-3
632
Butte
Upper Bidwell Park, Chico, on the north rim overlooking Sycamore Creek Canyon 2000 ft w of the e end of the North Rim Trail.
390
Comment
UC336555
Antirrhinum cornutum
Edw. L. Greene
1890-6-27
Butte
Chico
Comment
CHSC43141
Antirrhinum leptaleum
R. Banchero; R. Schlising
1980-9-6
331
Butte
0.7 mi ne of the jct of Lumpkin and Forbestown Rd.
493
Comment
CHSC1685
Antirrhinum vexillo-calyculatum subsp. intermedium
E. Walker
1932-7-26
Butte
Magalia Heights.
762
Comment
CHSC63721
Antirrhinum vexillo-calyculatum subsp. intermedium
Lowell Ahart
1994-10-16
7564
Butte
Along the south side of the dirt road to the Forbestown Reservoir, near Woodleaf Creek, about 3/4 mile south-west of the Forbestown Reservoir Dam, about 2 miles (air) north and 3 1/2 miles east of Forbestown.
762
Comment
CHSC82406
Aphanes occidentalis
Lowell Ahart
2002-5-7
9645
Butte
High banks of a pond, at the beginning of a southeast branch of Schirmer Ravine, about 50 yards east of the pond on the east side of Cherokee Road, North Table Mountain, about 4 miles (air) north of Oroville.
228
Comment
CHSC114984
Aphyllon purpureum
Lowell Ahart
2015-4-18
20056
Butte
About 100 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 miles (air) southwest of Forbestown, about 11 miles (air) eastof Oroville.
752
Comment
CHSC42440
Aphyllon purpureum
Lowell Ahart
1987-5-12
5647
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-BC392105
Aquilegia formosa
John Thomas Howell
1951-8-19
28156
Butte
2 miles west of Pulga
365
Comment
POM366932
Aquilegia formosa var. truncata
L. Ahart, P. Ahart
1984-6-10
4703
Butte
About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown.
700
Comment
UC1594658
Arabidopsis thaliana
Vernon H. Oswald and Lowell Ahart
1992-4-8
4896
Butte
Trail near abandoned railroad grade in Oroville Dam Recreation Area, on s side of Thermalito Diversion Pool, between spillway and Sycamore Hill Oroville Dam Recreation Area; , Thermalito Diversion Pool
76
Comment
CAS-BOT-BC167246
Aralia californica
Clarence R. Quick
1952-7-1
52 -116
Butte
Mill Creek Road between Feather River Highway and Coyote Gap
Comment
CHSC39284
Aralia californica
Lowell Ahart
1983-7-24
4214
Butte
Small wash at the Forbestown Res., about 5 miles north-east of Forbestown.
450
Comment
SFV10923
Arbutus menziesii
M. L. Vincent
1965-4-14
611
Butte
Sierra Nevada Skyway, 1.5 miles north of Magalia.
760
Comment
UC1950038
Arbutus menziesii
Lowell Ahart, Josephine Guardino, Steve Green
2009-2-20
15489
Butte
East side of Cedar Grove, Lower Bidwell Park, Chico
67
Comment
CHSC33970
Arceuthobium abietinum
M. S. Taylor; L. Ahart
1981-8-15
4185
Butte
N end of Snag Lake, e side of Humbug Rd, ca. 14 mi ne of Stirling City.
1737
Comment
CHSC45038
Arceuthobium abietinum
Lowell Ahart
1988-9-4
6174
Butte
Host trees were on both sides of the dirt road, south of a branch of Last Chance Creek, about 1 1/2 air miles south-west of Bald Mountain.
1005
Comment
RSA774127
Arceuthobium abietinum
L. Ahart
2010-9-21
17197
Butte
On the west side of the County Road about 1/4 mile north of Jones Meadow, about 2.5 miles (air) southeast of Philbrook Reservoir.
1912
Comment
CAS-BOT-BC407718
Arceuthobium abietinum
Vernon Oswald; Lowell Ahart
1987-7-1
3070
Butte
Logging road ca. 2.5 air mi. S of Humbug Summit and 0.25 mi. W of the Butte-Plumas county line, ca. 5.25 miles SE of Jonesville
1999
Comment
SEINET6630800
Arceuthobium abietinum
E. B. Copeland
1930-7-28
Butte
Jonesville
Comment
CHSC62509
Arceuthobium campylopodum
L. P. Janeway
1993-8-21
4531
Butte
Plumas National Forest, LaPorte Ranger District. Southwest end of Watson Ridge; ca 2 mi east of Bald Rock Dome.
1082
Comment
NY8241
Arctostaphylos
A. A. Heller
1928-2-22
14476
Butte
About 2 mi below Forest Ranch , lower limit of the Transition Life Zone. In red clay.
Comment
NY9763
Arctostaphylos
A. A. Heller
1940-2-19
15500
Butte
Neal Road 3 mi W of Paradise near the upper limit of the Upper Sonoran Life Zone
Comment
CAS-BOT-BC24436
Arctostaphylos manzanita
J. D. Jokerst; L. Ahart; M. S. Taylor
1983-1-17
1685
Butte
Top of North Table Mtn. at its nw. corner. Center of w. edge section 32.
Comment
RSA632987
Arctostaphylos manzanita
Jon E. Keeley
1996-6-20
27477
Butte
Cohasset.
630
Comment
UCD51984
Arctostaphylos manzanita
John Thomas Howell; Lowell Ahart
1976-4-1
54541
Butte
In foothill woodland south of Cherokee on road to Oregon City.
Comment
UCD52250
Arctostaphylos manzanita
John Thomas Howell
1976-4-2
51567
Butte
In Upper Sonoran Life Zone on volcanic rock; about 2 miles from Paradise on 'Skyway' to Chico.
396
Comment
CAS-BOT-BC38875
Arctostaphylos manzanita subsp. manzanita
Saichi Kawahara
1968-5-4
390
Butte
Paradise, James Ripley's property, Graham road.
640
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
SBBG128108
Arctostaphylos manzanita subsp. manzanita
L. Ahart
2009-11-19
16564
Butte
W side of Ten Mi House Rd, just N of Guardians Trail, upper Bidwell Park, ca. 0.25 mi W of intersection of Hwy 32 and Ten Mi House Rd, ca. 10 mi NE of Chico
381
Comment
CAS-BOT-BC24297
Arctostaphylos mewukka
A. A. Heller
1928-2-27
14478
Butte
About 2 mi. w. of Forest Ranch.
Comment
UC725989
Arctostaphylos mewukka
A. A. Heller
1942-3-1
16383
Butte
three mi below Paradise (on Pentz-Magalia road)
Comment
CAS-BOT-BC38554
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1976-7-14
51817
Butte
Just NE of Pulga Bridge.
417
Comment
CAS-BOT-BC38571
Arctostaphylos mewukka subsp. truei
Walter Knight; Irja Knight
1989-4-17
6480
Butte
2 mi. n. on Coutolenc Road. from junction of skyway.
701
Comment
CAS-BOT-BC45567
Arctostaphylos nevadensis
E. B. Copeland
1931-6-22
672
Butte
Jonesville. On ridge e. of the Summit.
2100
Comment
CAS-BOT-BC46715
Arctostaphylos patula
A. A. Heller
1915-6-26
12035
Butte
Summit of the Sierra Nevada above Jonesville.
2133
Comment
UCD51944
Arctostaphylos truei
John Thomas Howell
1975-6-15
51094
Butte
In Upper Sonoran Zone on volcanic rock, about 2 miles from Paradise on 'Skyway' to Chico, Butte County.
396
Comment
UCR84523
Arctostaphylos truei
J. T. Howell
1976-7-14
51817
Butte
Sierra Nevada Mtns, just NE of Pulga Bridge
418
Comment Read comments Oct 10 2010
UCD52627
Arctostaphylos viscida
R. R. Kehlor
1951-4-14
25
Butte
Foothills of Sierra Nevada, 6 1/2 miles east of Oroville, on Mt. Ida Road, Butte County, California.
Comment
SEINET10940282
Arctostaphylos viscida
Mary Susan Taylor
1981-2-11
Taylor 3376
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
CAS-BOT-BC47373
Arctostaphylos viscida subsp. viscida
John Thomas Howell
1975-6-15
51086
Butte
about 2 miles from Paradise on Skyway to Chico
396
Comment
CAS-BOT-BC47385
Arctostaphylos viscida subsp. viscida
John Thomas Howell
1975-6-15
51096
Butte
about 2 miles from Paradise on Skyway to Chico
396
Comment
CAS-BOT-BC47392
Arctostaphylos viscida subsp. viscida
M. S. Taylor; T. Devine; M. Merryman
1981-11-2
3376
Butte
Bigi Bend Mt. Quad. East side of Lumpkin Rd., north of Macabes Creek.
91
Comment
CHSC88618
Arctostaphylos viscida subsp. viscida
Linnea Hanson
1985-6-21
275
Butte
Plumas National Forest. At Jarbo Gap on Hwy. 70.
731
Comment
JEPS118321
Arctostaphylos viscida subsp. viscida
Lowell Ahart
2011-2-28
17326
Butte
West side of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 12 miles southeast of Oroville
47
Comment
JEPS119508
Arctostaphylos viscida subsp. viscida
Lowell Ahart
2012-3-2
17760
Butte
About 200 yards north of Ten Mile House Road, about 200 yards west of Highway 32 about 9 miles northeast Chico.
Comment
UC1174972
Arctostaphylos viscida subsp. viscida
P. C. Everett and E. K. Balls
1959-10-20
23908
Butte
Hwy 32 9.4 mi ne Chico (toward De Sabla)
792
Comment
CHSC41391
Arenaria kingii var. glabrescens
Lowell Ahart
1986-7-2
5344
Butte
West of the dirt road, about 2 miles north-east of Bald Mountain, south of Jones Meadow, about 6 1/2 miles north-east of Stirling City.
1767
Comment
CHSC78552
Aristida dichotoma
Lowell Ahart; Vernon H. Oswald
2000-8-5
8623
Butte
Big Bald Rock, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville.
993
Comment
JEPS98687
Aristida dichotoma
Lowell Ahart
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
RSA0118714
Aristida oligantha
L. P. Janeway
2014-9-13
11579
Butte
Sacramento Valley. Along the edges of Openshaw Road 0.8 km southeast of its junction with Hwy 149; between Dry Creek and Gold Run (Creek). Starting about here and continuing southeast for at least 1 km.
77
Comment
RSA129286
Aristida oligantha
H. A. Jensen
1933-11-28
367
Butte
2 1/2 miles S. of Wyandolte. Smartsville.
152
Comment
CAS-BOT-BC400419
Aristolochia californica
Carl B. Wolf
1937-3-29
8328
Butte
Sacramento Valley, 2 mi. So. of Chico
57
Comment
CHSC115422
Aristolochia californica
Kate Ronan
2013-5-19
Butte
Upper Bidwell Park, Wildwood Trail.
89
Comment
CHSC30863
Aristolochia californica
J. D. Jokerst
1979-3-23
1159
Butte
Top of North Table Mt., W edge of Mt, immediately N of the waterfalls of the S fork of Coal Cr Canyon.
365
Comment
RSA416042
Aristolochia californica
M. Vincent
1961-3-30
26
Butte
Honeyrun road, 1/2 mile west of Paradise
579
Comment
UC650550
Aristolochia californica
Mrs. C. C. Bruce
March 1897
1794
Butte
Little Chico
Comment
RSA32335
Arnica dealbata
Clarence R. Quick
1945-7-17
45 -57
Butte
Big Bar Mt Plumas n.7.
Comment
CHSC45627
Arnica discoidea
Vernon H. Oswald
1985-6-24
1861
Butte
East side of Paradise Lake ca. 0.2 mi N of the parking area.
780
Comment
UC1562307
Arnica longifolia
Vernon Oswald and Lowell Ahart
1990-7-19
4370
Butte
ca 3 mi e of, slope on s side of Philbrook Crk, (.8 mi w of the Plumas Co line) Philbrook Reservoir; , Philbrook Creek
1965
Comment
UC171429
Artemisia douglasiana
A. A. Heller
1913-9-12
11135
Butte
on Big Chico Creek (Chico)
Comment
UC426979
Artemisia douglasiana
E. B. Copeland
1930-7-27
484
Butte
Jonesville
1550
Comment
UC726186
Artemisia douglasiana
A. A. Heller
1936-8-16
16178
Butte
Pine Rest Paradise, Pine Rest
Comment
SEINET10475951
Asarum hartwegii
Mary Susan Taylor
1981-4-14
Taylor 3529
Butte
T22N R4E sw sec 12. Pulga SW quad. Mixed Coniferous Forest, loamy soil over rocky base, on Ponderosa Way(Rim Rd) ca. 2 mi N of Jarbo Gap on Hwy 70, ca. 20 air mi N of Oroville. 2900 ft.
884
Comment
CHSC40363
Asclepias cordifolia
Lowell Ahart
1985-6-17
5063
Butte
100 yards south of the dirt road, Lumpkin Ridge, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
975
Comment
JEPS115624
Asclepias cordifolia
Lowell Ahart
2009-5-15
15672
Butte
About 80 yards west of the dirt road which isTen Mile House Road, Upper Bidwell Park, about 2/3 mile (air) west of Highway 32, about 10 miles northeast of Chico
271
Comment
CHSC80750
Asclepias eriocarpa
Lowell Ahart
1998-7-18
8043
Butte
West of Cherokee Road, about 50 feet southwest of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
CDA14078
Asclepias speciosa
G. F. Hrusa, T. D. Wilfred
1997-7-3
13961
Butte
Sierra Nevada; NE side of upper end of Paradise Lake. Where last tributaries from E enter.
Comment
CHSC102164
Asclepias speciosa
Lowell Ahart
2009-6-19
15944
Butte
On damp soil, on the east side of Big Chico Creek, southwest of the meadow, about 30 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
209
Comment
CHSC95052
Asparagus officinalis subsp. officinalis
L. P. Janeway
2006-10-4
8903
Butte
Sacramento Valley. Oroville Wildlife Area; 150 m east of Feather River, on west bank of narrow slough; 1.7 km south-southeast of the Thermalito Afterbay outlet.
32
Comment
CAS-BOT-BC99219
Aster
M. S. Taylor
1977-11-12
1537
Butte
By Big Chico Creek, at end of Upper Bidwell Park, ca. 10 mi e of Chico
304
Comment
CAS-BOT-BC178463
Astragalus gambelianus
Lowell Ahart
1985-5-10
4940
Butte
Along the edge of the Cherokee Road, north of where the public parks, about 5 miels north of Oroville.
450
Comment
CHSC33696
Astragalus gambelianus
L. Ahart
1981-4-9
2751
Butte
Near North Honcut Creek on Peter Ahart Ranch, ca. 1 mi n and 3 mi e of Honcut.
50
Comment
CAS-BOT-BC192799
Astragalus pauperculus
A. A. Heller
1914-4-13
11286
Butte
Chico-Oroville road 11 miles from Chico
Comment
CAS-BOT-BC193220
Astragalus tener var. ferrisiae
Mrs. C. C. Bruce
1897-4-1
2078
Butte
Oroville road
Comment
SEINET10532283
Athyrium filix-femina
Mary Susan Taylor
1978-7-19
Taylor 1737
Butte
Cherry Hill Campground, on S side of Old Humboldt Road, ca. 2 mi SW of Jonesville.
1524
Comment
CHSC36961
Athyrium filix-femina var. cyclosorum
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.
1463
Comment
SEINET10970745
Atriplex canescens
Lowell Ahart
1991-9-6
Ahart 6713
Butte
On the south side of Rutherford Road, south of Parking Area 5, Gray Lodge Waterfowl Management Area, about 10 miles southwest of Gridley. Freshwater Marsh. T17N R1E S13.
30
Comment
CHSC45554
Atriplex triangularis
Lowell Ahart
1981-11-6
3221
Butte
Growing along the sides of a deep ditch, near the entrance to the Gray Lodge Waterfowl Management Area, west of Pennington Road, about 12 miles southwest of Gridley.
30
Comment
UCD56174
Avena barbata
A. A. Heller
1914-3-18
11207
Butte
8 miles north of Oroville. Near the western base of Table Mountain.
Comment
JEPS110442
Avena fatua
Lowell Ahart
2005-12-11
12515
Butte
On the sides of small ditches, on the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Highway, about 2 1/4 miles (air) east of Biggs
30
Comment
CAS-BOT-BC98759
Baccharis douglasii
Lowell Ahart
1981-9-27
3215
Butte
Growing on dry dark soil along the edge of a small wash - Palermo
100
Comment
CAS-BOT-BC98188
Baccharis salicifolia
A. A. Heller
1914-3-28
11241
Butte
Dry Creek, 12 miles southeast of Chico
Comment
CHSC32582
Bacopa eisenii
L. Ahart
1979-9-27
2022
Butte
About 1/2 mi w of Honcut along lower Honcut Rd.
33
Comment
CHSC66361
Bacopa rotundifolia
Vernon H. Oswald
1996-6-20
7830
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River.
33
Comment
CHSC32754
Balsamorhiza deltoidea
J. D. Jokerst; R. A. Schlising
1981-4-16
1299
Butte
SW of Sweedes Flat Rd, 0.9 mi E of it's junction with Bangor Rd (6 mi E of Oroville).
Comment
UC127843
Balsamorhiza macrolepis
Miss Kate Conger
1908-1-1
Butte
Brush Creek
Comment
SEINET10448247
Barbarea orthoceras
Mary Susan Taylor
1975-8-31
Taylor 892
Butte
Riparian Woodland, on Ernies Island in Butte Creek, ca. 50 ft S of Humboldt Rd, ca. 0.5 mi E of Butte Meadows.
1341
Comment
SEINET10907330
Barbarea orthoceras
Mary Susan Taylor
1981-5-14
Taylor 3730
Butte
T23N R6E ne/nw sec 19, Pulga SE quad. E side of 23N30.2, along road and ridge, ca. 1 mi SE of Bear Ranch Hill, ca. 2 air mi NW of Four Trees on Oroville-Quincy Hwy. Yellow Pine Forest; 4900 ft.
1493
Comment
JEPS119501
Bellis perennis
Lowell Ahart, John Dittes, Josephine Guardino
2012-4-6
17820
Butte
On the north side of Big Chico Creek, Lost Park in Bidwell Park, City of Chico.
Comment
CHSC23662
Berberis aquifolium var. dictyota
M. S. Taylor
1976-4-27
1093
Butte
On n side of Ponderosa Way, ca. 2 mi e of junc of Villas Rd and Cohasset Hwy, ca. 23 mi ne of Chico.
609
Comment
CHSC94387
Bergia texana
Lowell Ahart
2006-8-5
13083
Butte
On the bottom of a large wash, Peter Ahart Ranch, about 1 1/2 miles north and 300 yards east of Honcut, about 12 miles south of Oroville.
30
Comment
JEPS110451
Bergia texana
Lowell Ahart
2006-8-5
13083
Butte
On the bottom of a large wash, Peter Ahart Ranch, about 1 1/2 miles north and 300 yards east of Honcut, about 12 miles south of Oroville
30
Comment
JEPS97414
Bergia texana
Lowell Ahart
1995-7-15
7594
Butte
Peter Ahart Ranch about 1 1/2 miles north and 3/4 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CDA42925
Bidens frondosa
L. Ahart
2012-9-28
18458
Butte
Just east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
Comment
CHSC110397
Bidens frondosa
Lowell Ahart
2012-9-28
18458
Butte
Just east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
62
Comment
CAS-BOT-BC102075
Bidens frondosa
Lowell Ahart
1983-9-17
4433
Butte
At Dunkle Res., near Paradise
600
Comment
UCD129573
Bidens frondosa
E. M. Johnston
1915-1
s.n.
Butte
Biggs.
Comment
CHSC111169
Bidens tripartita
Lowell Ahart
2013-6-18
18802
Butte
About 20 yards east of Parking Lot 16, Gray Lodge Wildlife Management Area, about 7 miles (air) southwest of Gridley.
19
Comment
JEPS106002
Blennosperma nanum var. nanum
Lowell Ahart
2004-4-1
10706
Butte
On the margins of vernal pools, on the north side of Nelson Avenue, about 45 yards west of the intersection of 20th Street and Nelson Avenue, Thermalito
53
Comment
CHSC33707
Boechera arcuata
J. D. Jokerst
1981-5-21
1331
Butte
Ca 1.0 mi NE of the town of Pulga.
Comment
CAS-BOT-BC16035
Boechera breweri subsp. shastaensis
J. D. Jokerst
1979-3-18
0176
Butte
Upper rimrock south of Big Chico Creek.
Comment
UCD114350
Boechera breweri subsp. shastaensis
R. E. Preston
1982-4-7
235 B
Butte
S facing cliffs of Cape Horn; ca. 4.5 mi SE of Paradise.
335
Comment
CAS-BOT-BC14633
Boechera rectissima
E. B. Copeland
1929-7-14
367
Butte
Jonesville.
1550
Comment
CHSC11926
Boechera rectissima
E. B. Copeland
1929-7-14
367
Butte
Jonesville.
1550
Comment
SEINET10973128
Boisduvalia glabella
Mary Susan Taylor
1980-7-6
Taylor 3054
Butte
T23N R1E nw sec 20, Richardson Springs quad; ca. 1 mi E of Meridian Rd, ca. 1/4 mi NE of its jct with Hwy 99, ca. 8 mi N of Chico. With R.A. Schlising.
67
Comment
CAS-BOT-BC28203
Bolboschoenus glaucus
Verne Grant; Herbert L. Mason
1956-8-7
12291
Butte
Gridley Road north of Butte Sink
Comment
UC600573
Botrychium simplex
H. F. Copeland
1931-6-6
Butte
Jonesville, below cabin
Comment
RSA121458
Boykinia major
P. L. Johannsen
1936-7-17
945
Butte
3 miles SE of Butte Meadows.
1555
Comment
CDA20151
Boykinia occidentalis
B. Smith
August 1996
s.n.
Butte
Plumas National Forest; 1.5 mi S of Feather Falls along Owl Creek.
0
Comment
CHSC48892
Boykinia occidentalis
Vernon Oswald
1985-6-17
1839
Butte
Bryant Ravine Rd. at Bryant Ravine Creek, 0.2 mi s of the trailhead to Feather Falls.
746
Comment
CHSC101703
Brassica napus
Lowell Ahart
2009-4-26
15607
Butte
On the east side of Highway 99, south of the wash, about 1/2 mile south of the stop light at the intersection, about one mile south of Butte Creek, about 3 miles south of Chico. Scattered south along highway for miles.
60
Comment
CHSC38060
Brassica oleracea var. gemmifera
R. E. Preston
1982-3-25
198
Butte
In a garden in Chico.
Comment
CAS-BOT-BC106322
Brickellia californica
A. A. Heller
1923-8-14
13810
Butte
Occasional in sand and gravel along Chico Creek at the Hooker Oak swimming pool.
Comment
CHSC31443
Brickellia californica
Lowell Ahart
1980-9-10
2631
Butte
Ca. 1 mi NE of Millsap Bar, ca 25 mi NE of Oroville.
900
Comment
CHSC94576
Brickellia californica
Lowell Ahart
2006-9-11
13335
Butte
Gravel bar, south side 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
CHSC116975
Briza maxima
Matthew Forster
2013-5-14
Butte
Oroville Spillway, off Oro Powerhouse Rd., adjacent to Oroville Sspillway.
118
Comment
SEINET10967591
Briza minor
Orme
1980-4-9
Orme 19
Butte
Large population, T22N R2E NW1/4 of Sec. 17. 0.8 km on main road through upper Bidwell Park. 1.6 km N of Chico. Found on the edge of a open, rocky field. Soil a loam to sandy loam.
64
Comment
UCD80420
Brodiaea californica
CNPS SN Foothill Team
2005-5-6
SNFN 0159 a
Butte
City of Chico, Upper Bidwell Park. The stand is about X miles up the road from the gate.
133
Comment
RSA126001
Brodiaea californica
E. K. Balls
1957-5-23
22531
Butte
US Hwy 99 E, 1.7 mi NW from jct with road from Pentz.
91
Comment
POM253053
Brodiaea californica var. californica
A. A. Heller
1938-5-22
15106
Butte
In fields near Chico Airport.
Comment
SEINET3559684
Brodiaea hyacinthina
Lewis S. Rose
1933-5-27
33194
Butte
Bangor.
267
Comment
UC1080383
Brodiaea minor
E. K. Balls
1957-5-23
22532
Butte
US Hwy 99, 1.7 mi NW from jct with road from Pentz
91
Comment
CHSC71463
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 Forbestown Road, about 2 1/2 miles (air) northeast of Forbestown.
883
Comment
CDA31579
Bromus carinatus
T. C. Fuller
1962-7-12
9181
Butte
2 miles east of Butte Meadows, road to Jonesville, bottomland of Butte Creek
0
Comment
CAS-BOT-BC149544
Bromus carinatus var. carinatus
John Thomas Howell
1951-6-26
27527
Butte
Sierra Nevada. Near Pulga.
411
Comment
CDA31575
Bromus carinatus var. carinatus
L. Ahart
2006-7-16
12976
Butte
About 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows, west edge of a large wet meadow and bog, about 20 yards east of the poor dirt road, and 100 yards south of the cabin
Comment
CHSC94309
Bromus carinatus var. carinatus
Lowell Ahart
2006-7-16
12976
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
UCD58345
Bromus catharticus
R. N. Raynor
1940-4-19
s.n.
Butte
Gridley.
Comment
CHSC66172
Bromus commutatus
Vernon H. Oswald; Lowell Ahart
1996-5-27
7660
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the S side of the levee road at the SW corner of Tract 3.4, Sanctuary II.
32
Comment
CAS-BOT-BC156027
Bromus diandrus
A. A. Heller
1914-4-11
11280
Butte
Hills 8 miles north of Oroville.
Comment
CHSC6722
Bromus diandrus
B. Anthony
1968-3-25
413
Butte
Chico State College Campus, Chico.
Comment
CHSC31946
Bromus hordeaceus
J. D. Jokerst
1979-4-20
1211
Butte
Top of North Table Mt., ca. .75 mi N of Cherokee Rd.
396
Comment
JEPS110114
Bromus hordeaceus
Lowell Ahart
2006-5-10
12621
Butte
Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga
354
Comment
SEINET10507836
Bromus laevipes
Lowell Ahart
1985-5-15
Ahart 4987
Butte
East of the dirt road, about 1 1/2 miles north-east of Concow Reservoir. north-east of Oroville.
Comment
CAS-BOT-BC162364
Bromus madritensis
John Thomas Howell
1961-9-22
36782
Butte
Sierra Nevada. Jarbo Gap, Feather River Highway.
Comment
CHSC49701
Bromus madritensis subsp. madritensis
Vernon Oswald
1985-4-15
1707
Butte
Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake.
152
Comment
CHSC49516
Bromus racemosus
Vernon Oswald
1988-5-18
3318
Butte
Honey Run Rd. 0.7 mi sw of the Skyway, Paradise. On the edge of the road.
426
Comment
CAS-BOT-BC161961
Bromus rubens
Lowell Ahart
1962-4-20
s.n.
Butte
Peter Ahart Ranch, Honcut.
150
Comment
SEINET10901250
Bromus tectorum
Lowell Ahart
1987-5-6
Ahart 5552
Butte
On dry sand, on a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC42840
Bulbostylis capillaris
Lowell Ahart
1980-7-20
2472
Butte
On the top of Big Bald Rock, NE of Oroville.
1005
Comment
CHSC50851
Calamagrostis canadensis
Vernon Oswald
1990-7-23
4382
Butte
Meadow at headwaters of the east branch of Willow Creek, ca. 1 mile south of Humbug Summit. Along the northwest edge of the meadow.
1920
Comment
CHSC59040
Calamagrostis canadensis
Lowell Ahart
1992-7-21
6797
Butte
On the sides of a snow lake, on the south side of Coon Hollow, about 2 (air) miles north-east of Philbrook Reservoir.
1737
Comment
CHSC103959
Calandrinia ciliata
Lowell Ahart
2010-5-14
16659 A
Butte
Area of erosion control, Disc Golf Area, about 100 yards west of the entrance to the Disc Golf Area, about 120 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
372
Comment
CDA35328
Callitriche heterophylla subsp. bolanderi
T. C. Fuller
1962-5-17
8720
Butte
Highway 99E, 14.5 miles northwest of Chico.
0
Comment
CHSC42727
Callitriche heterophylla var. bolanderi
Lowell Ahart
1987-5-27
5693
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap.
271
Comment
CHSC65898
Callitriche heterophylla var. bolanderi
Vernon H. Oswald
1996-4-20
7410
Butte
Sacramento Valley. Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In a drainage at the SW boundary of Tract 3.4, Sanctuary II.
32
Comment
JEPS95760
Callitriche heterophylla var. heterophylla
Lowell Ahart
1995-5-26
7574
Butte
12 mi S of Oroville (Peter Ahart Ranch, 2 mi N and 1/4 mi E of Honcut)
36
Comment
CHSC114988
Callitriche marginata
Lowell Ahart
2015-4-28
20062 -A
Butte
50 yards southeast of Parking Lot 1, about 1 1/4 miles north of Rutherford Road, Gray Lodge Wildlife Area, about 6 1/2 miles (air) southwest of Gridley.
19
Comment
CHSC38284
Callitriche marginata
Vernon Oswald
1983-4-6
286
Butte
Upper Bidwell Park, Chico, in an old road ca. 100 ft s of the n park boundary and ca. 1800 ft e of the junction of Wildwood Ave. and Upper Park Rd.
86
Comment
SEINET10972756
Callitriche marginata
Mary Susan Taylor
1980-3-15
Taylor 2379 A
Butte
T21N R2E nw sec 36. In Valley Grassland ca. 1/4 mi S of Pentz Road, ca. 1/8 mi E of Hwy 99, ca. 15 mi S of Chico; near large vernal pool.
55
Comment
CAS-BOT-BC80355
Calocedrus decurrens
Lowell Ahart
1967-2-10
s.n.
Butte
Near Challenge
762
Comment
CHSC29726
Calochortus albus
J. D. Jokerst
1980-4-17
585
Butte
Top of North Table Mt, northern tip.
472
Comment
CAS-BOT-BC487508
Calochortus albus
Helen Barden
1941-5-17
s.n.
Butte
Tributary of west branch of North Fork of Feather River, 4 miles from Yankee Hill
Comment
CAS-BOT-BC487513
Calochortus albus
A. A. Heller; H. E. Brown
1902-5-7
5484
Butte
Berry Canyon (Near Clear Creek)
Comment
RSA109671
Calochortus albus
C. C. Bruce
1897-05
2118
Butte
Butte Creek.
Comment
SEINET12044755
Calochortus albus
L. S. Rose
1931-1
s.n.
Butte
Coast Ranges and Sierra Nevada foothills
Comment
SEINET12046117
Calochortus albus
Unknown
1978-1
12
Butte
Butte Creek Canyon, 3.5 mi up from the Skyway, 300 yd in front of gaging station
122
Comment
SEINET10971609
Calochortus leichtlinii
Mary Susan Taylor
1978-7-18
Taylor 1702
Butte
On top of Humboldt Peak, at Humboldt Summit, on Butte-Tehama County line.
2159
Comment
CHSC34484
Calochortus luteus
J. D. Jokerst
1978-5-21
127
Butte
200 met w of Hwy 32 on top of ridge.
365
Comment
CAS-BOT-BC491853
Calochortus luteus
E. B. Copeland
1899-4-1
s.n.
Butte
Chico
Comment
SBBG57700
Calochortus luteus
M. M. Miles
-Jun-1886
Butte
Butte County [no specific locality]
Comment
SEINET12046805
Calochortus luteus
Unknown
1978-1
19
Butte
ca 0.5 mi W of jct of Pentz Rd & Pentz Magalia Hwy, ca 1.5 mi SW of West Branch of Feather River
183
Comment
SEINET12048525
Calochortus luteus
S. M. Schulz
1978-1
19
Butte
ca 2 mi NE Chico on Humboldt Rd, ca 5 yds S of road
76
Comment
SEINET12048534
Calochortus luteus
Unknown
1984-1
11
Butte
ca 9 mi NE Chico and 100 yds N Big Chico Creek
206
Comment
CHSC2832
Calochortus monophyllus
David Prall
1965-4-16
21
Butte
Growing along Helltown Canyon Rd. 1 mile north from Humbug Rd.
228
Comment
CHSC90084
Calochortus monophyllus
Ross Rowland
2001-3-28
12
Butte
At the end of Keffer Lane; 1/4 mile north of Skyway in Paradise.
493
Comment
SEINET7067153
Calochortus monophyllus
A. G. Vestal
1947-4-30
s.n.
Butte
Along the road to Cherokee. Coordinate datum: NAD27. UTM Zone 10, 626283mE, 4388764mN.
Comment
HSC43135
Calochortus monophyllus
Maralyn O'Meara
1974-4-20
284
Butte
Cherokee-Table Mtn. Rd., 1 mi. S of Cherokee
305
Comment
CHSC76967
Calochortus tolmiei
Margie Collins
1894-4-1
Butte
Forbestown.
Comment
UC843673
Calochortus tolmiei
A. A. Heller
1938-4-23
15055
Butte
about 20 mi from Oroville (along the Feather River Highway near the Yankee Hill road)
Comment
CHSC105802
Caltha leptosepala
Lowell Ahart
2010-9-28
17266
Butte
On the south edge of a 10 acre meadow, about 100 yards east of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir.
1886
Comment
RSA255537
Calycadenia ciliosa
Gerald D. Carr
1971-6-15
563
Butte
0.4 miles west of east boundary of Upper Bidwell Park, southeast of Chico
Comment
CHSC26662
Calycadenia fremontii
Howard Wurlitzer; M. Hayes, K. Stern, R. Schlising
1968-5-20
89
Butte
1/10 mi N of 'Dead Man's Waterhole', Vina Plains, along N bank of Pine Creek.
57
Comment
CAS-BOT-BC273293
Calycadenia fremontii
H. M. Hall
1930-8-11
12875
Butte
Humboldt Road, 8.2 miles from Chico
381
Comment
UC1971740
Calycadenia fremontii
R. L. Carr
1981-5-23
2231
Butte
Near (W) of Hwy 99, ca. 10 mi NW of Chico and ca. 1/2 mi S of Broyles Road
Comment
CAS-BOT-BC270009
Calycadenia multiglandulosa
Lowell Ahart
1976-11-12
s.n.
Butte
Peter Ahart Ranch, Honcut
Comment
SEINET11842848
Calycadenia multiglandulosa subsp. bicolor
L. Ahart, Ahart, P.
1984-1
4687
Butte
ca 1 mi SE of Hurleton, 1/12 mi E of Oak Grove Cemetery, ca 10 mi E of Oroville
500
Comment
CAS-BOT-BC106081
Calycadenia oppositifolia
John Thomas Howell
1951-6-26
27513
Butte
Feather River Canyon, Sierra Nevada
213
Comment
RSA788204
Calycadenia oppositifolia
R. L. Carr
1978-7-7
789
Butte
NE of Chico, ca. 0.3 mi SW of N boundary of Upper Bidwell Park (Devil's Kitchen), ca. 5.6 mi NE of Manzanita Ave on Upper Bidwell Canyon Rd via Wildwood Ave, 100 yds NW of rd.
244
Comment
SEINET10473678
Calycadenia oppositifolia
Lowell Ahart, Peter Ahart
1983-6-21
Ahart 4086
Butte
T21N R5E sec 31. Along Bloomer Hill Rd, ca. 1.3 mi w of Oroville-Quincy Hwy, ca. 15 mi ne of Oroville. Foothill Woodland; 450 m.
450
Comment
CHSC28496
Calycadenia truncata
M. S. Taylor
1979-7-22
2166
Butte
Pulga bridge, on N side of trail leading from NE side of Pulga bridge over Hwy 70, ca. 27 mi N of Oroville.
487
Comment
CHSC43200
Calycadenia truncata
Robert Banchero
1981-6-29
548
Butte
Ca 2.2 air mi W of Pulga.
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
SEINET10475219
Calycadenia truncata subsp. scabrella
Mary Susan Taylor
1979-6-22
Taylor 2166
Butte
T22N R5E sw 1/4 sec 32. Pulga bridge on Hwy 70, on N side of trail leading from NE side of the bridge, ca. 27 mi N of Oroville; serpentine soils.
488
Comment
CAS-BOT-BC275385
Calycadenia truncata var. truncata
John Thomas Howell
1959-9-20
34693
Butte
9 miles NE of Oroville on Feather River Highway
Comment
CHSC39298
Calyptridium monospermum
Lowell Ahart
1983-7-29
4247
Butte
Along the edge of the dirt road, about 2 miles east of Milsap Bar, about 25 miles north-east of Oroville.
900
Comment
JEPS121940
Calyptridium monospermum
Lowell Ahart
2014-7-7
19604
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
CHSC69112
Calyptridium umbellatum
Lowell Ahart
1997-8-1
7789
Butte
Around rocks, 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
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
JEPS47865
Calystegia atriplicifolia subsp. buttensis
A. A. Heller
1913-6-7
10789
Butte
near Stirling; near Stirling
1036
Comment
RSA0104578
Calystegia atriplicifolia subsp. buttensis
Sandra M. Namoff
2012-7-26
66
Butte
NE of Chico, 2.4 air miles NE of Forest Ranch, 0.63 [miles] from Hwy 32 on Headwater Road.
951
Comment
UC1586576
Calystegia atriplicifolia subsp. buttensis
Vernon H. Oswald and Lowell Ahart
1991-6-5
4654
Butte
ca 0.5 miles west of Highway 32 on logging road 200-G ca 1 mile north of Platte Mtn Lookout between Forest Ranch and Lomo.
Comment
CHSC46784
Calystegia occidentalis
R. A. Schlising
1983-6-9
4424
Butte
Along Hwy 32, 0,8 miles S of Nopel Road crossroad in Forest Ranch.
Comment
SEINET267151
Calystegia occidentalis subsp. fulcrata
T. A. Ranker, P. G. Trapp
1994-6-17
1614
Butte
Pence Road south of Paradise.
395
Comment
RSA718780
Calystegia occidentalis subsp. occidentalis
L. P. Janeway
2006-7-9
8806
Butte
150 m west of Hwy 32, 3.0 km south of Humboldt Road (Lomo); near top of ridge between Big Chico Creek and West Branch Butte Creek.
1140
Comment
CAS-BOT-BC496965
Camassia leichtlinii subsp. suksdorfii
Lowell Ahart
1982-6-1
3528
Butte
A little south of the intersection of Black Bart Road and Forbestown Road, west of Forbestown
750
Comment
RSA69294
Camassia leichtlinii subsp. suksdorfii
Frank W. Peirson
1926-6-21
6768
Butte
Butte Meadow, Humboldt Road.
Comment
UC426977
Campanula prenanthoides
E. B. Copeland
1930-8-4
482
Butte
Jonesville
1500
Comment
SEINET10463037
Campanula prenanthoides
C. A. Purpus
Purpus 5656
Butte
Wet meadows, Farewll Gap
1219
Comment
CHSC38043
Capsella bursa-pastoris
R. E. Preston
1983-1-9
373
Butte
At roadside; w side of the Midway, 200 yds. n of Butte Creek, ca. 3 mi sse of Durham.
39
Comment
CHSC35761
Cardamine breweri
R. E. Preston
1982-6-18
303
Butte
At stream margin; site of Merrimac, ca. 22 mi ne of Oroville.
1173
Comment
CHSC3875
Cardamine californica
Gerry Carrauthers
1966-2-28
34
Butte
Upper Bidwell Park ca. 4 mi N.E. of Bidwell Golf Course. Ca. 9 mi N.E. of the city of Chico.
Comment
RSA0116210
Cardamine californica
Mrs. R. M. Austin
1883-04
21
Butte
Little Chico Creek.
Comment
CAS-BOT-BC37874
Cardamine oligosperma
Peter H. Raven
1954-4-17
6614
Butte
Along Feather River, Oroville.
Comment
CHSC10623
Cardamine oligosperma
Lowell Ahart
1967-3-30
Butte
Peter Ahart Ranch, Honcut.
42
Comment
CHSC39612
Cardamine oligosperma
Lowell Ahart
1983-3-28
3910
Butte
Found on the east bank of Woodleaf Creek, above the road, about 3/8 mile south-west of the Forbestown Res., about 4 miles north-east of Forbestown.
450
Comment
CHSC34522
Cardamine pachystigma var. dissectifolia
R. E. Preston
1981-2-28
45
Butte
Ca. 50 m e of Coutelenc Rd, ca. 320 m n of its jct with the Skyway, Magalia.
700
Comment
CDA34282
Cardaria chalepensis
L. Ahart
2009-4-2
15520
Butte
On the east side of Highway 99, about 1 mile south of Gridley.
Comment
CAS-BOT-BC282963
Carduus pycnocephalus
Lowell Ahart
1979-6-2
s.n.
Butte
Peter Ahart Ranch, Honcut, banks of N Honcut Creek
50
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
SBBG128736
Carex
L. Ahart
2012-6-14
18190
Butte
lawn, on S side of path, SW of CARD Community Center, Lower Bidwell Park,
62
Comment
SEINET260322
Carex
Lowell Ahart
1988-4-15
5960
Butte
P. Ahart Ranch ca 1.5 mi N and 1 mi E of Honcut ca 12 mi S of Oroville
37
Comment
CHSC113409
Carex abrupta
Lowell Ahart
2014-7-10
19636
Butte
About 80 yards south of Philbrook Road, about 1 1/4 miles west of Philbrook Reservoir.
1648
Comment
SEINET10585935
Carex abrupta
Lawrence P. Janeway, Robert A. Schlising
1988-7-16
Janeway 3020
Butte
The Carices of Butte county. T26N, R5E, Jonesville quad (15") NW1/4 of sec 21. Along Willow Cr, 1 mile W of Humbug Rd. On dry disturbed forest floor (Jeffery pine and white fir). With C. integra, C. fracta, C, jepsonii.
1798
Comment
CHSC38071
Carex aurea
R. E. Preston
1982-6-25
319
Butte
Ca. 1.2 mi S of Inskip.
1420
Comment
CHSC43913
Carex barbarae
L. P. Janeway
1987-5-7
2027
Butte
Along Coal Cyn Rd 1.8 mi NE of hwy 70 and just past the drive to Coal Cyn Power Plant. Adj to mdw and Rubus riparian area at penstock.
160
Comment
CHSC104847
Carex bolanderi
Lowell Ahart
2010-6-12
16796
Butte
Along the north side of a small stream, about 150 yards east of Ten Mile House Road, about 3/4mile (air) west of Highway 32, about 9 miles (air) northeast of Chico.
238
Comment
CHSC52274
Carex bolanderi
L. P. Janeway
1988-7-2
2951
Butte
Marsh/meadow at upper reach of Brush Creek, ca 1.5 mi S of 'town' of Brush Creek.
952
Comment
SEINET10706540
Carex bolanderi
Lawrence P. Janeway, Robert A. Schlising
1988-7-16
Janeway 3018
Butte
T26N, R5E, Jonesville Quad (15'), NW 1/4 of sec 21. Along Willow Creek, 1 mile west of Humbug Road. Small open sedge-dominated moist meadow above the creek. With C. heteroneura, C. lemmonii, C. subfusca. In forest of Jeffrey Pine and White Fir.
1798
Comment
CHSC33768
Carex brainerdii
J. D. Jokerst; R. A. Schlising, B. Banchero
1980-6-16
853
Butte
Ca 50 meters N of Humboldt Rd at a point 1.9 mi. N of its junction with Hwy 32.
Comment
CHSC41355
Carex brainerdii
R. A. Schlising
1983-6-9
4421
Butte
N part of county NE of Lomo along Humboldt Road; Carpenter Ridge.
1341
Comment
JEPS108149
Carex brainerdii
L. P. Janeway
2005-5-29
8406
Butte
Northern High Sierra Nevada. Top of south end of Granite Ridge (between Rock Creek and Camp Creek), about 2.3 km south of Kimshew Point. On southeast-facing side of ridge top
1317
Comment
JEPS121376
Carex cyrtostachya
P. F. Zika, B. Wilson, L. Ahart, L. Janeway
2011-8-5
25715
Butte
Forest Road 20N03 (Moreville Ridge Road), 2 air miles SE of Sugar Pine Point, Pinkard Creek drainage, W northern Sierra Nevada Highlands (n SNH).
Comment
CHSC102834
Carex densa
Lowell Ahart
2009-6-3
15818
Butte
About 100 yards west of the table at the old homestead and about 50 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
232
Comment
CHSC50350
Carex echinata subsp. echinata
Vernon Oswald
1990-5-14
4209
Butte
Small lake located ca. 1 mile south of Brush Creek.
996
Comment
CHSC52865
Carex echinata subsp. echinata
L. P. Janeway
1988-7-29
3124
Butte
Meadow near Humbug Summit Rd, 1.5 mi NE of the Snag Lake dam.
1767
Comment
CAS-BOT-BC75503
Carex echinata var. ormantha
F. N. Bassett
1923-6-21
s.n.
Butte
Jonesville via Butte Meadows.
Comment
CHSC40661
Carex feta
J. D. Jokerst
1984-5-19
2025
Butte
Perennial seepage along the edge of Highway 70 directly across from a roadside rest area along a small dirt road that parallels Hwy 70.
Comment
SEINET10650513
Carex feta
Lowell Ahart
1987-5-6
Ahart 5544
Butte
On damp to dry sand, along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC43115
Carex fracta
L. P. Janeway
1986-9-1
1837
Butte
NE-facing slope above Philbrook Reservoir.
1767
Comment
CHSC44292
Carex fracta
Vernon Oswald
1988-6-20
3408
Butte
East of Humboldt Rd. 1.4 mi ne of Lomo. Along the edge of the W. Branch of Butte Creek at the bottom of a ravine.
1292
Comment
JEPS115995
Carex fracta
Lowell Ahart
2009-6-3
15826
Butte
By a small wash, about 130 yards south of the fence and about 120 yards east 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
279
Comment
SEINET11310005
Carex fracta
Unknown
2009-1
24616
Butte
Above Humboldt Road, c. 2 air km S of Humboldt Summit, Cascade Range Highlands (CaRH).
Comment
CAS-BOT-BC28378
Carex gracilior
Lowell Ahart
1982-5-28
3441
Butte
Near North Honcut Creek, N of the Peter Ahart Ranch, ca 1.5 mi N and 3 mi E of Honcut.
50
Comment
JEPS104626
Carex gracilior
Lowell Ahart
2000-5-18
8374
Butte
On the bottom of the Clay Pit, near the cottonwood trees, about 1/8 mile west of the Oroville Airport and Larkin Road, about 4 1/2 miles (air) sothwest of Oroville.
36
Comment
SEINET7560147
Carex gracilior
Unknown
2003-5-8
7782
Butte
Richardson Springs 7.5' quad. Sacramento Valley. North end of Chico, along Sycamore Creek 160 m west of Cohasset Road bridge.
56
Comment
CHSC105960
Carex integra
Lowell Ahart
2010-9-28
17271
Butte
About 20 yards west of Big Kimshew Creek, meadow, about 100 yards east of the poor dirt road, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir.
1886
Comment
JEPS121937
Carex integra
Lowell Ahart
2014-7-7
19592
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
RSA0119041
Carex integra
Lowell Ahart
2014-7-7
19592
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1665
Comment
SEINET10709999
Carex integra
A. Arthur Heller
1928-6-16
Heller 14613
Butte
Damp, grassy places in the Yellow Pine Forest at Butte Meadows.
Comment
CHSC102215
Carex inversa
L. P. Janeway
2009-11-16
9967
Butte
Sacramento Valley. Oroville: south side of Broderick Street between Pine Street and Elma Street. At edges of old lawn between the two buildings of the Chinese Temple and Museum.
44
Comment
SEINET12649502
Carex inversa
Peter F. Zika
2010-1
24827
Butte
65
Comment
SEINET4286003
Carex laeviculmis
L. Janeway, Gog, L
2008-1
3189 C
Butte
Near Cornelia Lott Sank Memorial Spring
Comment
JEPS105281
Carex lemmonii
Dean W. Taylor
1995-8-6
15394
Butte
5 air mi NE of Stirling City; boggy meadow 0.5 mi E of Bald Mountain summit; Lassen National Forest; Sierra Nevada
1706
Comment
CAS-BOT-BC32158
Carex multicaulis
L. P. Janeway; Robert A. Schlising; B. Castro; Pauleen Broyles
1987-7-19
2493
Butte
Butte Meadows quad. Near Humbug summit Rd ca 5.5 mi N of Inskip,
1539
Comment
CHSC97375
Carex multicaulis
Paul Maslin
2006-4-15
45
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). UTM: 10609796E 4410665N.
243
Comment
CAS-BOT-BC94041
Carex pendula
Peter F. Zika
2010-5-16
24824
Butte
shores of Comanche Creek, both sides of channel and bridge, junction of Breslauer Ave. and Lone Pine Ave., SW of Chico
45
Comment
UCR228226
Carex pendula
Peter F. Zika
2010-5-16
24824
Butte
Sacramento Valley, Janeway's station, Comanche Creek, both sides of channel and bridge, junction of Breslauer Avenue and Lone Pine Avenue, southwest of Chico
45
Comment
CHSC65783
Carex praegracilis
Vernon H. Oswald
1996-4-10
7347
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. On the S side of the ranch road at the N end of Tract 7.2, Sanctuary 1.
33
Comment
CHSC77823
Carex praegracilis
Lowell Ahart
2000-4-27
8330
Butte
On the cut bank on the west side of Pennington Road, about 400 feet north of Rutherford Road, Gray Lodge Waterfowl Management Area, about 6 miles (air) southwest of Gridley.
21
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
CAS-BOT-BC117391
Carex senta
A. S. Crafts
1976-4-12
s.n.
Butte
Peter Ahart Ranch, Honcut.
150
Comment
CHSC44127
Carex specifica
V. Oswald; L. Ahart
1988-7-26
3630
Butte
Snow Mt. region located ca. 6 air mi se of Jonesville. At the base of a cliff along the north brow of a ridge running eastwards from Snow Mt.
2072
Comment
CHSC49852
Carex specifica
L. P. Janeway
1986-9-1
1833
Butte
Northeast-facing slope above Philbrook Reservoir.
1798
Comment
SEINET10749866
Carex straminiformis
A. Arthur Heller
1928-7-10
Heller 14620 a
Butte
Wet meadows at Butte Meadows in the Yellow pine belt.
Comment
CHSC106159
Carex subfusca
Peter F. Zika
2009-6-17
24508
Butte
Cascade Range Highlands (CaRH), SE side of Concow Road at south end of Concow Reservoir, 3.7 road miles N of Route 70.
640
Comment
JEPS120138
Carex subfusca
Lowell Ahart
2012-5-17
18085
Butte
On both sides of horse trail, 10 to 50 feet north of the poor dirt road, about 100 feet south of Larch, south of Vallombrosa Avenue, Lower Bidwell Park, Chico.
Comment
SD472
Carex subfusca
E. B. Copeland
1929-7-20
Butte
Jonesville; in woods by Jones Creek; forming tufts, sometimes large.
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
UCD141165
Carex subfusca
L. P. Janeway
1988-6-19
2834
Butte
3.1 miles north of Stirling City towards Inskip along logging road 0.2 mile west of Skyway.
1219
Comment
CHSC52360
Carex vesicaria
L. P. Janeway; R. A. Schlising, B. Castro, F. Jay Fuller
1988-7-11
2987
Butte
Crane Valley (upper Big Kimshew Cr).
1569
Comment
SEINET10785807
Carex xerophila
John Thomas Howell
1967-6-22
Howell 42605
Butte
Magalia. On serpentine.
701
Comment
SEINET10931253
Castilleja
Mary Susan Taylor
1976-4-4
Taylor 1064
Butte
Yellow Pine Forest, ca. 2-5 mi W of junction of Ponderosa Way and Hwy 32, ca. 2-10 ft N and S of Ponderosa Way, ca. 23 mi NE of Chico; with Sanicula bipinnata, Calochortus monophyllus.
488
Comment
CAS-BOT-BC249114
Castilleja affinis
A. A. Heller
1919-4-12
13101
Butte
Cherokee Mine
Comment
CHSC2932
Castilleja affinis
W. Fitzwater
1958-4-19
Butte
Humbolt Rd.
Comment
CHSC57514
Castilleja affinis
Heather L. David
1990-4-24
57
Butte
Ca. 0.7 mi ne of intersection of Coutolenc Rd. and Skyway, ca. 16 mi ne of Chico/
701
Comment
CHSC67389
Castilleja affinis
James D. Jokerst; R. A. Schlising
1985-4-8
2225
Butte
Feather River Serpentine near Hwy. 70 on unnamed road ca. 0.25 mi N of Parkhill Rd., ca. 50 m E of BM 2089.
579
Comment
CHSC115360
Castilleja affinis subsp. affinis
Lowell Ahart
2015-3-21
19956
Butte
Steep east road cut, along Oregon Gluch Road, about one mile south of Oregon City, about 4 1/2 miles north of the intersection of Cherokee Road and Oregon Gulch Road, about 8 miles north of Oroville.
308
Comment
CHSC34079
Castilleja applegatei subsp. pinetorum
M. S. Taylor
1981-4-5
3484
Butte
E side of Dark Canyon Rd, 2.2 mi s of its jct with Big Bend jct, ca. 3 air mi s of Jarbo Gap on Hwy 70.
426
Comment
CHSC50843
Castilleja arachnoidea
Vernon Oswald; Lowell Ahart
1990-7-19
4367
Butte
Slope on the south side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.4 mi west of the Plumas County line.
2011
Comment
CHSC114981
Castilleja attenuata
Lowell Ahart
2015-4-18
20043
Butte
On the east side of Swedes Flat Road, about 1/2 mile southwest of Dutch Ravine, about 8 miles (air) southeast of Oroville.
384
Comment
CHSC4178
Castilleja attenuata
Kathy Sommarstrom
1967-3-25
5
Butte
Found in Bidwell Park, 1 mi east of Golf course to the left side of the road.
76
Comment
CHSC50062
Castilleja attenuata
Lowell Ahart
1990-4-15
6453
Butte
Valley Tassels. Below the high water line of Lake Oroville, east ot the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville.
295
Comment
UCD80772
Castilleja attenuata
CNPS SN Foothill Team
2006-4-19
SNNR 0744
Butte
City of Chico, Upper Bidwell Park.
156
Comment
UCD122342
Castilleja campestris
L. Ahart
1970-4-4
36
Butte
Peter Ahart Ranch, near Honcut.
45
Comment
CHSC43167
Castilleja exserta
Douglas Rand
1978-4-12
17
Butte
Ca. 2.5 mi se of Municipal Airport and 1 mi nw of Pleasant Valley High School.
60
Comment
CHSC9268
Castilleja exserta
D. C. Burns
1971-4-4
120
Butte
Ca. 20 yds. e of highway 70, ca. 7 mi n of Oroville.
82
Comment
CHSC115264
Castilleja lacera
Lowell Ahart
2015-5-27
20193
Butte
In a small dry meadow, about 100 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 miles (air) southwest of Forbestown, about 11 miles (air) east of Oroville.
752
Comment
CHSC43193
Castilleja lacera
R. A. Schlising
1981-4-27
4042
Butte
S of Cohasset. Immediate roadside of Cohasset hwy, 2.9 mi NE jct with road to Richardson Springs.
201
Comment
CHSC11901
Castilleja miniata
E. B. Copeland
1929-7-25
467
Butte
Jonesville.
1500
Comment
LA209237
Castilleja miniata
E. B. Copeland;
1929-7-25
Butte
Jonesville
1500.0
Comment
JEPS89031
Castilleja rubicundula subsp. rubicundula
A. A. Heller and H. E. Brown
1914-5-8
Butte
near Clear Creek (Berry Canyon); Berry Canyon
Comment
CHSC12148
Castilleja subinclusa
R. A. Petersen
1973-4-29
20
Butte
Located 7.2 mi e of Chico City limits s of Hwy. 32.
426
Comment
POM43182
Castilleja subinclusa
C. C. Bruce
1897-05
1939
Butte
Little Chico.
Comment
CHSC58960
Castilleja tenuis
Lowell Ahart
1992-7-29
6883
Butte
About 1 mile north-east of the Carr Mine, about 3/4 mile north-west of Lotts Lake.
1798
Comment
UC532168
Castilleja tenuis
Herbert F. Copeland
1934-7-9
Butte
edge of Butte Creek Meadows (Jonesville Region); Jonesville Region
Comment
CAS-BOT-BC48548
Ceanothus cordulatus
E. B. Copeland
1929-7-14
382
Butte
Jonesville
1550
Comment
UC600529
Ceanothus cordulatus
H. F. Copeland
1927-9-2
Butte
Jonesville
Comment
SEINET10493626
Ceanothus cuneatus
Lowell Ahart
1985-3-4
Ahart 4845
Butte
On red rocky soil near Kunkle Res., about 2 miles south of Paradise.
Comment
CHSC100969
Ceanothus cuneatus var. cuneatus
Lowell Ahart; Josephine Guardino, Steve Green
2009-2-20
15486
Butte
On a ridge about 300 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
354
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
CHSC46798
Ceanothus diversifolius
R. A. Schlising; P. Broyles
1988-7-9
4576
Butte
E of Paradise and Magalia, and N of Oroville and Jarboe Gap; along Rim road.
792
Comment
CAS-BOT-BC50819
Ceanothus integerrimus
A. A. Heller
1914-4-16
11293
Butte
Chico-Centerville Road 8 miles from Chico, on the slopes albong Butte Creek
Comment
CAS-BOT-BC50821
Ceanothus integerrimus
John Thomas Howell
1975-6-15
51116
Butte
Sierra Nevada - Paradise - skyway near Billie Road
609
Comment
LA43617
Ceanothus integerrimus
E. B. Copeland;
1929-7-14
sn
Butte
Jonesville
502
Comment
UC600527
Ceanothus integerrimus
H. F. Copeland
1930-7-26
Butte
Jonesville
Comment
CAS-BOT-BC50713
Ceanothus integerrimus var. macrothyrsus
Lowell Ahart
1980-9-10
2645
Butte
Sierra Nevada - 7 miles east of Milsap Bar
1200
Comment
RSA15055
Ceanothus integerrimus var. macrothyrsus
Daniel Cleveland
1882-07
s.n.
Butte
Sultant House.
Comment
CAS-BOT-BC51728
Ceanothus lemmonii
A. A. Heller
1914-5-18
11371
Butte
Forest Ranch, West slope fo the Sierra near Forest Ranch
822
Comment
CHSC30308
Ceanothus lemmonii
M. S. Taylor
1980-5-27
2736
Butte
On n side of Bald Rock Rd, ca. 0.5 mi e of Big Bald Rock, ca. 4 mi e of Lake Madrone.
975
Comment
CAS-BOT-BC52002
Ceanothus prostratus
A. A. Heller
1915-6-11
11971
Butte
Chico Meadows in the Sierra Nevada
1219
Comment
CHSC52465
Ceanothus prostratus
Patricia Causey
1979-4-20
16
Butte
Scattered population ca 1 mi SE of Forest Ranch; W base of Doe Mill Ridge, 5 ft E of Doe Mill Rd.
731
Comment
POM193369
Ceanothus prostratus
E. B. Copeland
1930-7-7
425
Butte
Joneville.
488
Comment
CAS-BOT-BC52016
Ceanothus prostratus
H. D. Thiers
1969-6-8
23444
Butte
Forest Service road between McCloud and Dunsmuir, about 8 miles from Dunsmuir
1371
Comment
POM181716
Ceanothus velutinus
H. F. Copeland
1927-9-3
194
Butte
Jonesville.
Comment
JEPS120143
Cedrus deodara
Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-10
18023
Butte
On the north side of Big Chico Creek, on the south side of the paved park road, south of the old walnut orchard, south of Vallombrosa Avenue, about 1/10 miles west of Peterson Drive, Lower Bidwell Park, Chico.
Comment
UC2026879
Celtis australis
Lowell Ahart, Susan Bazell, Josephine Guardino, Wes Dempsey
2012-7-5
18264
Butte
Cedar Grove, parking area, Lower Bidwell Park, Chico.
Comment
RSA755755
Centaurea melitensis
L. Ahart
2009-5-23
15769
Butte
About 200 yards southwest of Pine Trail, Upper Bidwell park, about 1/3 air mile southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
382
Comment
CAS-BOT-BC284502
Centaurea solstitialis
Sally Bianco
1995-11-9
1052
Butte
NE edge of Concow Lake, 13199 Concow Road Oroville
670
Comment
RSA755414
Centaurea solstitialis
L. Ahart
2009-6-30
15953
Butte
Open area west of the Guardian Rock Trail, about 120 yards north of the Pine Trail, about 3/8 air mile southwest of the intersection of Ten Mile House Road and Highway 32, Upper Bidwell Park, about 10 miles northeast of Chico.
399
Comment
CAS-BOT-BC284506
Centaurea solstitialis
John Thomas Howell
1959-9-20
34677
Butte
Eastern outskirts of Oroville, Sierra Nevada
60
Comment
RSA302608
Centaurea solstitialis
J. R. Shevock
1972-5-19
1763
Butte
North of Oroville
61
Comment
CHSC28481
Centaurium tenuiflorum
Robert Schlising
1979-8-17
3468
Butte
1/4 mi s jct Hwys 162 to Oroville and 99; along the latter and across from Thermalito Afterbay; widespread at ditch margins but not in grassland.
Comment
JEPS127004
Centaurium tenuiflorum
Lowell Ahart
2016-5-24
20844
Butte
About 200 yards west of Loma Rica, about 250 yards southwest of the intersection of Loma Rica Road and La Porte Road, about 3 1/2 miles (air) northeast of Honcut.
Comment
CHSC45958
Centunculus minimus
Lowell Ahart
1975-6-19
795
Butte
Along the edge of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 3 miles east of Honcut, about 12 miles south of Oroville.
39
Comment
CAS-BOT-BC222893
Cephalanthus occidentalis
A. A. Heller
1914-7-14
11574
Butte
Canon [Canyon] of Big Chico Creek. On streams bordering the Sacramento Valley
Comment
SEINET10500789
Cephalanthus occidentalis var. californicus
Mary Susan Taylor
1980-8-30
Taylor 3324
Butte
T20N R4E nw border sec 23, Oroville Dam quad. E Table Mt, in Potter Ravine, along creek at dirt rd crossing, between the High Rocks and Box Hall Flat, ca. 2 air mi E of Oregon City on Table Mt, 8 mi N of Oroville.
305
Comment
CHSC98979
Cerastium glomeratum
Lowell Ahart
2008-5-12
14751
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
JEPS87502
Cerastium glomeratum
Vernon H. Oswald and Lowell Ahart
1993-3-24
5238
Butte
e. side of Dry Creek Canyon n. of Pentz historical site (on e. side of secondary drainage entering Dry Creek 2 mi. n. of Pentz Rd.)
243
Comment
POM18691
Cercis occidentalis
E. B. Copeland
1903-4-11
3045
Butte
Chico.
Comment
SBBG17426
Cercis occidentalis
B. Fuller
1961-4-1
Butte
Butte Crk Cyn, Honeyrun Rd below Paradise
Comment
SFV1803
Cercis occidentalis
M. L. Vincent
1961-3-30
24
Butte
Honeyrun Road, 0.5 miles west of Paradise.
610
Comment
UC204723
Cercis occidentalis
A. A. Heller
1914-5-18
11406
Butte
near Forest Ranch; West Slope of the Sierra
Comment
CHSC115455
Cercocarpus betuloides
M. Sutton; C. Yasuda, S. Luse
2013-3-5
6
Butte
Ten mile house trail.
391
Comment
SEINET10483775
Cercocarpus betuloides
Mary Susan Taylor
1975-4-25
Taylor 499
Butte
Ca. 1/4 to 1/2 mi E of Cohasset Hwy, along dirt rd leading up onto ridge, ca. 10 mi NE of Chico. Soil wet red clay. Mixed Chaparral.
Comment
CHSC78097
Cercocarpus betuloides var. betuloides
Megan Lee Hudzik
1998-4-21
26
Butte
1 mile n of Cohasset on the side of Cohasset Road.
914
Comment
CAS-BOT-BC277630
Chaenactis glabriuscula var. megacephala
E. B. Copeland
1899-6-2
s.n.
Butte
Chico
Comment
POM351845
Chaenactis xantiana
M. M. Boney
1897-1
1724
Butte
[Unspecified]
Comment
CHSC102983
Chamaesyce maculata
Lowell Ahart
2009-8-15
16283
Butte
Garden area, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
33
Comment
RSA498550
Chamaesyce nutans
Willis H. Wheeler
1935-10-23
282
Butte
Foreign Plant Introduction Sta., Chico.
76
Comment
SEINET263347
Chamaesyce nutans
V. H. Oswald, L Ahart
1991-8-28
4850
Butte
Rice Experiment Station on the south side of Hwy 162 ca. 3.5 mi NNW of Biggs
30
Comment
JEPS29838
Chamaesyce ocellata
Rimo Bacigalupi and L. R. Heckard
1962-6-1
8582
Butte
200 ft e junction of Paradise Rd and rd to Centerville
60
Comment
CHSC47421
Chamaesyce serpillifolia subsp. serpillifolia
Lowell Ahart
1977-9-20
1579
Butte
Along the edges of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 1/2 miles east of Honcut, about 12 miles south of Oroville.
39
Comment
HSC66082
Cheilanthes cooperae
M. S. Taylor
1980-4-16
2484
Butte
Lake Oroville State Recreation Area on S side of Lake Oroville .5 mi. W of Hwy. 70, 5 mi. N of Oroville
305
Comment
CAS-BOT-BC69444
Cheilanthes gracillima
A. A. Heller
1917-7-29
12852
Butte
Summit of Jonesville.
2133
Comment
CDA13321
Cheilanthes gracillima
G. F. Hrusa, T. D. Wilfred
1996-7-9
13167
Butte
Sierra Nevada; approx. 0.5 m. E of bridge over Marble Creek on USFS N60.
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
CHSC25523
Chenopodium album
Hayes; Warner
1977-9-11
62
Butte
Along dirt and gravel shoulder, Hwy 32, exactly 24.6 mi e of the Hwy 99 overpass on Hwy 32 in Chico.
914
Comment
CHSC48289
Chenopodium album
Vernon Oswald
1987-8-9
3195
Butte
Hwy 32 n of Forest Ranch at the 35.9 mi road marker, 2.1 mi sw of Lomo.
1127
Comment
CAS-BOT-BC460929
Chenopodium album
Lowell Ahart
1981-11-6
3230
Butte
East of the Gridley Bridge
35
Comment
UC474265
Chimaphila menziesii
E. B. Copeland
1930-7-21
Butte
hill above hotel Jonesville
Comment
SEINET10449193
Chimaphila menziesii
Mary Susan Taylor
1977-8-17
Taylor 1482
Butte
Scattered in Red Fir Forest, at Humboldt Summit at Butte-Tehama County line, ca. 50-100 ft W of Old Humboldt Rd on Butte County side; with Arctostaphylos neva densis, Hackelia californica.
2134
Comment
UC474267
Chimaphila umbellata
H. F. Copeland
1930-7-26
Butte
dry places by Fishermen's Trail Jonesville
Comment
UC600607
Chimaphila umbellata
E. B. Copeland
1929-7-1
Butte
along Butte Creek Jonesville
1550
Comment
UC142064
Chlorogalum angustifolium
Mrs. R. M. Austin
May 1899
737
Butte
Comment
RSA695408
Chondrilla juncea
L. Ahart
2003-6-30
10331
Butte
Near water pipe where it comes out of the mountain, on north side of the Ponderosa Reservoir, about 2 air miles north of Forbestown.
481
Comment
CHSC39931
Chorizanthe polygonoides var. polygonoides
M. S. Taylor; V. Oswald
1984-4-4
5392
Butte
S side of Humbug Rd, ca. 2 mi SW of Nimshew, ca. 12 air mi NE of Chico. In dry open bare patches on hillside.
Comment
JEPS119690
Chorizanthe polygonoides var. polygonoides
Lowell Ahart
2012-5-2
17953
Butte
About 50 yards northeast of the Government Pole Line, Upper Bidwell Park, about 1 mile east of Chico.
Comment
CAS-BOT-BC252834
Chorizanthe polygonoides var. polygonoides
A. A. Heller
1939-4-26
15382
Butte
Along the Neal Road just above the Spring House west of Paradise
Comment
CHSC103687
Chorizanthe stellulata
Lowell Ahart
2010-4-30
16604
Butte
Open area along a ridge, on both sides of a trail, west of disk golf area, on a ridge about 350 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
353
Comment
JEPS117520
Chorizanthe stellulata
L. Ahart
2010-5-23
16735
Butte
West side of Pine Trail, about 40 yards west of Highway 32, about 9 air miles northeast of Chico
479
Comment
CHSC39935
Cicendia quadrangularis
M. S. Taylor; L. Ahart, J. Jokerst
1984-4-6
5398
Butte
Ca. 0.5 mi N of Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 3 mi S of Paradise.
Comment
CHSC20493
Cichorium intybus
M. S. Taylor
1975-6-25
795
Butte
Along Mud Creek, ca. 1/4 mi N of Richardson Springs Hotel, ca. 6 mi NE of Chico.
121
Comment
CHSC49528
Cinna latifolia
Vernon Oswald; Lowell Ahart
1987-8-5
3192
Butte
Scotts John Creek 1.3 mi n of the road connecting Humboldt and Humbug roads. On the edge of the creek.
1813
Comment
CHSC28953
Circaea alpina subsp. pacifica
M. S. Taylor
1978-7-21
1817
Butte
On s side of Oroville-Quincy Hwy along creek in a meadow, ca. 14 mi n of Lake Madrone.
1463
Comment
SD3366
Circaea alpina subsp. pacifica
E. B. Copeland
1929-7-20
Butte
1500
Comment
CAS-BOT-BC285278
Cirsium andersonii
E. B. Copeland
1931-7-27
s.n.
Butte
Jonesville
1650
Comment
SEINET179237
Cirsium andersonii
E. B. Copeland
1931-7-27
693
Butte
Jonesville
1650
Comment
SEINET5507043
Cirsium andersonii
H. F. Copeland
1924-8-11
n.s.
Butte
Jonesville
1524
Comment
CHSC45659
Cirsium arvense
Vernon Oswald
1987-7-29
3164
Butte
0.6 mi w of Coon Hollow Rd. on the dead-end spur road which parallels it on the south, ca. 2 mi (air) ne of Philbrook Reservoir. Roadside.
1783
Comment
CAS-BOT-BC278077
Cirsium douglasii var. breweri
E. B. Copeland
1930-7-28
s.n.
Butte
Jonesville
1600
Comment
POM304703
Cirsium occidentale var. venustum
Henry J. Ramsey, Henry J. Ramsey
1939-10-15
193
Butte
Feather River Hwy.
Comment
CHSC37273
Cirsium vulgare
L. Ahart
1982-8-10
3739
Butte
Around rice field, Peter Ahart Ranch, ca. 2 1/2 mi n and 1/2 mi e of Honcut.
50
Comment
CAS-BOT-BC228762
Cistanthe umbellata
Javier Penalosa
1962-6-18
2478
Butte
Near confluence of French and Peavine Crks., forest
640
Comment
CHSC1091
Clarkia arcuata
E. Hembree
1929-4-21
Butte
Centerville Rd.
121
Comment
CHSC84687
Clarkia biloba subsp. brandegeeae
L. P. Janeway; John Hunt, Adam Henderson
2003-6-3
7803
Butte
Northern High Sierra Nevada. Southeast side of Middle Fork Feather River arm of Lake Oroville, 1.5 km southwest of mouth of Bean Creek.
283
Comment
CHSC1101
Clarkia gracilis subsp. albicaulis
V. Holt
1942-6-1
Butte
Forest Ranch.
548
Comment
CHSC35138
Clarkia gracilis subsp. gracilis
R. Schlising; R. Banchero
1981-5-20
4056
Butte
E of Oroville on Forbestown Road, just S of Lake Wyandotte.
Comment
UC1186582
Clarkia gracilis subsp. gracilis
G. I. Stage, R. W. Thorp
1959-6-21
59 -119
Butte
11.9 mi ne Chico (Highway 32)
Comment
POM37797
Clarkia gracilis subsp. gracilis
C. C. Bruce
1898-05
2419
Butte
Grain fields.
Comment
CAS-BOT-BC6941
Clarkia mildrediae
Amos Arthur Heller
1938-7-2
15153
Butte
On the Feather River Highway, 2 mi W of Arch Rock Tunnel.
Comment
CAS-BOT-BC163260
Clarkia mildrediae subsp. lutescens
L. P. Janeway
1993-7-1
4413
Butte
Along French Creek Road 4.1 mi from Stanwood Saddle and Oroville-Quincy Hwy.
801
Comment
RSA0004431
Clarkia mosquinii subsp. mosquinii
T. Mosquin
1959-7-3
3335
Butte
3.7 miles southwest of entrance ot Plumas National Forest, along Hwy 40
Comment
SEINET10453158
Clarkia purpurea
Lowell Ahart
1985-5-15
Ahart 4978
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
CHSC28705
Clarkia purpurea subsp. purpurea
R. A. Schlising
1979-5-30
3423
Butte
Richvale vernal pools, 1/4 mile S of jct Hwy 162 to Oroville and Hwy 99, along the latter and across from Thermalito Afterbay.
Comment
CHSC10819
Clarkia purpurea subsp. quadrivulnera
Lowell Ahart
1968-5-8
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC46387
Clarkia purpurea subsp. quadrivulnera
Lowell Ahart
1989-5-10
6224
Butte
At the end of the dirt road that leads to Lake Oroville, about 1/12 mile north-west of the West Branch Bridge across Lake Oroville.
280
Comment
CAS-BOT-BC172378
Clarkia purpurea subsp. viminea
L. P. Janeway
1991-6-1
3981
Butte
Road-shoulder/top-of-fill of Dark Canyon Road 1.0 mi south of Big Bend Road/Parkhill
512
Comment
CAS-BOT-BC164796
Clarkia rhomboidea
L. P. Janeway
1991-6-1
3985
Butte
Northwest-facing cut-bank of Dark Canyon Road 3.3 mi south of Big Bend Road/Parkhill
304
Comment
CHSC1113
Clarkia rhomboidea
M. Roberson
1956-6-4
Butte
SW of Paradise, along Skyway.
426
Comment
CHSC59111
Clarkia rhomboidea
L. P. Janeway
1991-6-1
3976
Butte
East-facing cut-bank of Dark Canyon Road 0.3 mi south of Big Bend Road/Parkhill. Near canyon bottom.
573
Comment
RSA108431
Clarkia rhomboidea
Harlan Lewis, M. Lewis, F. Vasek
1950-6-30
758
Butte
Highway 24, 0.8 mile south of Arch Rock, Feather River.
Comment
UCR133590
Clarkia rhomboidea
H. F. Copeland
1931-6-10
1520
Butte
Rocky crest of ridge between Willow and Colby Creeks
1677
Comment
SEINET10939937
Clarkia rhomboidea
Mary Susan Taylor
1978-6-24
Taylor 1642
Butte
Ernies Island, in Butte Creek, junction with Old Humboldt Road, ca. 0.5 mi W of Butte Meadows; Yellow Pine Forest.
1372
Comment
RSA699522
Clarkia unguiculata
R. D. Fischer
2004-4-28
146
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Highway 32. Located on bluff edge of the Disk Golf Course, just east of the northern most bluff projection (a lookout point)
366
Comment
CHSC60687
Claytonia parviflora subsp. parviflora
Vernon H. Oswald; Jim Snowden
1993-3-18
5234
Butte
South side of Nugen Canyon, on the SE side of Neal Rd., about 0.4 mi southeast of 'The Narrows'.
109
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
CAS-BOT-BC439428
Claytonia parviflora subsp. parviflora
A. A. Heller
1920-4-10
13362
Butte
New high school grounds at Chico
Comment
CHSC34944
Claytonia perfoliata subsp. perfoliata
Patricia Haberkern
1974-3-24
21
Butte
Abundant in grassy, shaded meadow ca. 50 yds. w Sycamore Pool in Bidwell Park, Chico.
60
Comment
CHSC77711
Claytonia perfoliata subsp. perfoliata
Tim Stofer
1997-4-20
18
Butte
On the east side of the trail 150 ft from the head of the South Rim Trail off South Park Dr. in upper Bidwell Park.
76
Comment
CHSC56070
Claytonia rubra subsp. rubra
L. P. Janeway
1988-6-14
2774
Butte
Ewalt Camp; edge of open dry meadow along West Branch Butte Creek 2.0 mi east from Hwy 32 by dirt road.
922
Comment
UCR66727
Claytonia sibirica
H. F. Copeland
1931-6-9
1515
Butte
Jonesville, by Jones Creek
1524
Comment
UCD95626
Clematis lasiantha
P. Thompson
1996-4-26
36
Butte
Hwy 70. Along steep roadside next to a running creek.
Comment
CHSC66443
Clematis ligusticifolia
Vernon H. Oswald; Lowell Ahart
1996-6-10
7742
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the bank of the Sacramento River at the N end of the Riparian Sanctuary.
28
Comment
CHSC43173
Collinsia parviflora
R. Banchero
1980-6-2
184
Butte
8.2 mi ne of jct of Humbolt Rd and Hwy 32.
1463
Comment
CHSC42016
Collinsia sparsiflora var. collina
Lowell Ahart
1974-4-15
416
Butte
Along Swedes Flat Road, about 1 mile east of the Bangor Oroville Highway, north of Bangor.
304
Comment
UC1012173
Collinsia sparsiflora var. collina
F. W. Pennell, A. A. Heller
1940-6-5
25679
Butte
Route 24; 2 mi. up, along Feather River, above Oroville.
609
Comment
SBBG17300
Collinsia sparsiflora var. sparsiflora
M. Vincent
1962-4-16
196
Butte
Honey Run Rd, ca. 0.5 mi W of Paradise, in Butte Crk Cyn
Comment
SD7641
Collomia grandiflora
Daniel Cleveland
1882-7-14
Butte
Sutten House
Comment
SEINET10496937
Collomia heterophylla
Mary Susan Taylor
1981-4-28
Taylor 3563
Butte
T22N R5E nw/sw sec 21. Berry Creek quad. N side of Rd 23N28.2, in loop of the rd, ca. 1.2 mi W of Chino Creek, ca. 4 air mi E of Jarbo Gap, ca. 23 air mi NW of Oroville. On decomposed granite; 3050 ft.
930
Comment
CDA40005
Collomia linearis
T. C. Fuller
1962-7-12
9171
Butte
Road to Jonesville, 2 miles east of Butte Meadows.
0
Comment
SEINET10496711
Collomia linearis
Mary Susan Taylor
1978-6-24
Taylor 1644
Butte
Ernies Island, in Butte Creek, junction with Old Humboldt Road, ca. 0.5 mi W of Butte Meadows; Yellow Pine Forest.
1372
Comment
CHSC43703
Collomia tinctoria
Vernon Oswald
1983-8-4
958
Butte
Near Humboldt Rd. 3.5 mi n-e of Butte Meadows. Along Butte Creek.
1414
Comment
CHSC87561
Comandra umbellata subsp. californica
R. D. Fischer
2004-4-13
64
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Found near the southern end of Humboldt Trail. Old road bank.
441
Comment
POM66159
Convolvulus arvensis
Helen M. Edwards
1917-06
s.n.
Butte
De Sabla
Comment
CAS-BOT-BC286068
Conyza canadensis
Lowell Ahart
1982-10-6
3848
Butte
Along the banks of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 and 3/4 miles east of Honcut
50
Comment
SEINET10931182
Cordylanthus hansenii
Mary Susan Taylor
1979-10-13
Taylor 2258
Butte
T22N R4E n half sec 17. Foothill Woodland on Jordan Hill Road (Ponderosa Way on some maps), ca. 4.8 mi N of its jct with Concow Road, ca. 2 mi E of Paradise. With Jim Jokerst.
610
Comment
CDA38806
Cordylanthus pilosus subsp. hansenii
L. Ahart
2010-9-12
17150
Butte
Just above the high water line of Lake Oroville, about 150 yards north of the South Fork of the Feather River, about 50 yards east of Sucker Creek, about 1/4 mile (air) northwest of the Ponderosa Dam.
Comment
JEPS115275
Cordylanthus pilosus subsp. hansenii
Lowell Ahart
2009-6-30
15973
Butte
On the west side of Ten Mile House Road, about 30 yards east of Big Chico Creek, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
234
Comment
CHSC40893
Cordylanthus tenuis subsp. tenuis
Lowell Ahart
1985-7-24
5153
Butte
Along the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown.
868
Comment
CHSC62587
Cordylanthus tenuis subsp. tenuis
B. Castro
1993-8-5
494
Butte
On saddle between Big Bar Mtn and Hungry Hunt Peak, abundant along road edges of sharp curve in USFS Rd 23N28.
1133
Comment
JEPS23868
Cordylanthus tenuis subsp. viscidus
Rimo Bacigalupi with Howard Whisler
1957-7-26
6045
Butte
Butte Meadows
1371
Comment
UC196061
Cordylanthus tenuis subsp. viscidus
A. A. Heller
1914-7-22
11586
Butte
Little Summit
1463
Comment
CHSC20128
Cornus florida
M. S. Taylor
1975-5-6
557
Butte
Ca. 5 ft e of Little Cafeteria, California State University, Chico.
60
Comment
CAS-BOT-BC211985
Cornus nuttallii
Helen M. Edwards
1917-5-1
s.n.
Butte
De Sabla
Comment
UC482954
Cornus nuttallii
H. F. Copeland
1932-7-18
Butte
near West Branch
Comment
UC1594678
Cotoneaster pannosus
Lowell Ahart
1991-12-30
6735
Butte
along the Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd. East southwest of Oroville Dam.
213
Comment
SEINET10871334
Cotoneaster pannosus
Lowell Ahart
1991-5-31
Ahart 6658
Butte
Along the Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd. East, southwest of Oroville Dam. Foothill Woodland. T19N R4E c/s/S2.f
213
Comment
CHSC78141
Crassula aquatica
Lowell Ahart
2000-5-21
8379
Butte
Slickens from the Cherokee mine, on the east side of Clark Road (Highway 191), about 200 yards south of Dry Creek, about 10 miles (air) northwest of Oroville.
60
Comment
CHSC62352
Crassula connata
B. Castro
1990-3-31
416
Butte
Ca 4 mi SW of Paradise, S of Neal Rd ca 0.1 mi SE of Elliot Spring House.
297
Comment
RSA636050
Crassula connata var. erectoides
Michael A. Vincent, Ethan H. Freid
1998-4-6
8126
Butte
Table Mountain
Comment
CHSC36970
Crassula tillaea
M. S. Taylor; L. Ahart, J. D. Jokerst
1982-4-28
4372
Butte
Graylodge Wildlife Refuge, around parking lot 5, ca. 1 mi s of HQ, ca. 12 mi sw of Gridley.
19
Comment
JEPS124167
Crassula tillaea
Lowell Ahart
2015-3-26
19967
Butte
About 2 miles east of Rutherford Road, Gray Lodge Wildlife Area, about 3 1/2 miles (air) southwest of Gridley.
Comment
CDA34756
Croton setiger
L. Ahart
2009-6-3
15956
Butte
Open area west of the Guardian Rock Trail, about 120 yards north 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.
Comment
CDA6678
Crucianella angustifolia
L. Ahart
2003-5-26
10214
Butte
On the west side of North Honcut Creek, about 2 1/2 miles north and 2 2/3 miles east of Honcut, about 12 miles southeast of Oroville.
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
SD149202
Crypsis schoenoides
Lowell Ahart
1980-8-16
2584
Butte
Near Honcut
60
Comment
SEINET10835341
Crypsis schoenoides
Mary Susan Taylor
1978-9-8
Taylor 1882
Butte
Along flood control slough, ca. 4 mi N of Chico, along Hwy 99.
Comment
JEPS122249
Crypsis vaginiflora
Lowell Ahart
2014-9-23
19875
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
UC203838
Crypsis vaginiflora
A. A. Heller
1914-7-31
11632
Butte
about 6 mi nw Chico; Sacramento Valley
Comment
CHSC111231
Cryptantha
2012-5-31
Butte
Comment
SEINET10497261
Cryptantha affinis
Lowell Ahart
1983-8-16
Ahart 4292
Butte
T26N R4E nw section 28. Along a small stream that flows into Butte Creek, ca. 1 mi east of Butte Meadows. Yellow Pine Forest; 1450 m.
1450
Comment
SEINET516434
Cryptantha flaccida
Lowell Ahart
1983-1
4119
Butte
Normal size plant, growing on dry red rocky soil along Ponderosa Way, about 2 mi. SE of the intersection of the Oroville Quincy Hwy and Ponderosa Way (Big Ridge Rd.), about 15 mi NE of Oroville.
457
Comment
HSC96916
Cryptantha intermedia
L. Ahart
2006-6-9
12656
Butte
N side of Bardees Bar Rd., E of the large stream, about 1/10 mi. N of the bridge across the N Fork of the Feather River at Bardees Bar, about 2.75 mi. SW of Pulga
355
Comment
SEINET10935929
Cryptantha intermedia
Lowell Ahart
1985-5-31
Ahart 5030
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
CHSC29973
Cryptantha milobakeri
R. A. Schlising
1980-6-30
3806
Butte
Along Humboldt Road, 1.9 mi NE of jct with Hwy 32 at Lomo.
1356
Comment
CHSC43576
Cryptogramma acrostichoides
Vernon Oswald
1987-6-9
2969
Butte
Summit Lake ca. 4 mi se of Jonesville, ca. 1 mi n of Snow Mt.
1901
Comment
CHSC44159
Cuscuta californica var. breviflora
V. Oswald; L. Ahart
1988-7-29
3653
Butte
Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn.
2097
Comment
SEINET10496611
Cuscuta campestris
Lowell Ahart
1983-9-19
Ahart 4455
Butte
T17N R1E section 14. Ca. 1/8 mi s of the Graylodge Wildlife Refuge headquarters, ca. 12 mi sw of Gridley. Valley Grassland; 35 m.
35
Comment
CHSC47406
Cuscuta howelliana
Lowell Ahart
1980-6-15
2373
Butte
About 2-1/2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
RSA0105592
Cuscuta occidentalis
Lowell Ahart
2013-7-16
18838
Butte
Northwest of a large wash, about 1/2 mile southeast of the Honcut Cemetery, about 3 1/4 miles (air) northeast of Honcut.
54
Comment
CHSC107566
Cuscuta pentagona
Lowell Ahart
2011-8-17
17627 -A
Butte
About 10 yards north of the trail, north of the crossing and 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
CHSC48362
Cuscuta pentagona
Vernon Oswald
1987-6-12
2997
Butte
West side of Sacramento River (but technically in Butte County because of shifting channel) between Big Chico Creek and Phelan Island, ca. 0.75 mi s of Big Chico Creek.
35
Comment
UCD80536
Cynodon dactylon
CNPS SN Foothill Team
2006-5-25
SNNR 0936
Butte
Horning Ranch (private).
119
Comment
CHSC32142
Cynoglossum grande
L. Ahart
1975-4-1
731
Butte
Trail head to Feather Falls near Feather Falls community.
487
Comment
UCD60178
Cynosurus echinatus
Beecher Crampton
1965-6-17
7384
Butte
1/2 mile west Rackerby Store, La Porte Road.
426
Comment
CHSC94596
Cyperus bipartitus
Lowell Ahart
2006-9-11
13297
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
POM313106
Cyperus difformis
H. L. Mason, Verne Grant
1946-8-14
13024
Butte
Canal near big pond on Sacramento Outing Club, Butte sink.
Comment
RSA127041
Cyperus difformis
H. S. Yates
1936-8-14
6123
Butte
10 miles S. of Durham
30
Comment
SEINET197462
Cyperus difformis
J. M. Tucker
1953-8-28
2680
Butte
Biggs Rice Experiment Station.
Comment
UCD141013
Cyperus difformis
E. M. Johnston
1915-1
W- 132 J
Butte
Biggs.
Comment
CHSC6630
Cyperus eragrostis
M. MacArthur
1968-6-18
212
Butte
Along SE edge of Big Chico Creek, opposite LS bld., Chico State College campus.
60
Comment
UC1100532
Cyperus eragrostis
Herbert L. Mason and Verne Grant
1946-8-15
13050
Butte
#833 Irrigation Ditch near caretaker's house Greylodge Game Refuge; Butte Sink, Greylodge Game Refuge
Comment
RSA92299
Cyperus eragrostis
F. W. Peirson
1926-6-20
6763
Butte
Banks of Sacramento River, 5 miles west of Chico.
Comment
CHSC45126
Cyperus erythrorhizos
Vernon Oswald
1987-7-8
3099
Butte
Butte Creek Reserve, on the north side of Butte Creek east of the Skyway, east of Chico.
74
Comment
UCD141051
Cyperus erythrorhizos
P. B. Kennedy
9-10 Aug 1921
s.n.
Butte
Exact location unkown.
Comment
CDA38970
Cyperus flavescens
L. Ahart
2000-8-23
8664
Butte
About 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville.
Comment
CHSC31451
Cyperus niger
L. Ahart
1980-7-29
2511
Butte
In the gutter along Lower Forbestown Rd or Ponderosa Way, ca. 1/4 mi n of the jct of Forbestown Rd and Robinson Mill Rd, w of Forbestown.
750
Comment
UCR263570
Cyperus niger
Lowell Ahart
2000-8-23
8662
Butte
Sacramento Valley, about 1/2 mile west of Pacific Heights road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville
43
Comment
SD131026
Cyperus niger
Lowell Ahart
1981-9-19
3181
Butte
Sierra Nevada Mountains; Arch Rock Tunnel; Highway 70.
550
Comment
CHSC99002
Cyperus squarrosus
Lowell Ahart
2008-5-30
14797
Butte
Dry to damp granite soil, small meadow, bottom of an old gold mined area, about 150 yeards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville.
305
Comment
CHSC56609
Cyperus strigosus
L. P. Janeway
1988-6-26
2885
Butte
Southeast rim of Coon Ridge overlooking Nance Canyon; ca 0.6 mi northeast of the high-voltage power-lines.
60
Comment
CHSC68408
Cyperus strigosus
L. P. Janeway; C. A. Janeway
1986-9-14
1865
Butte
On bank along small slough/backwater of the Sacramento River at 'the washout.
36
Comment
CHSC68411
Cyperus strigosus
L. P. Janeway
1986-9-20
1875
Butte
At edge of gravel bar along east side of Sacramento River; just southeast of the Ord Fery Road bridge.
28
Comment
CAS-BOT-BC68041
Cystopteris fragilis
K. D. Marsh
1974-4-30
4
Butte
Honey Run Rd, ca. 11 mi e of Chico
Comment
SEINET10906973
Cytisus monspessulanus
Mary Susan Taylor
1981-5-5
Taylor 3613
Butte
T20N R6E nw sec 11, Forbestown quad. W side of spur rd, ca. 0.5 mi N of its jct with 21N35Y-Bryant Ravine Rd, ca. 1 air mi N of Feather Falls community. Yellow Pine Forest; 2800 ft.
853
Comment
JEPS32213
Damasonium californicum
W. L. Jepson
1934-5-4
16607
Butte
1 12/ mi. s. Nord (swales of Pine Creek near Sacramento R.); Pine Creek
Comment
SBBG128060
Danthonia californica
L. Ahart
2010-9-21
17230
Butte
N side of a poor dirt rd, ca. 1 mi NE of Jones Meadow, ca. 2.5 mi SE of Philbrook Reservoir
1899
Comment
UC1131384
Danthonia californica
H. S. Yates
1936-8-13
17549
Butte
2 1/2 mi sse Butte Meadows; Paynes Creek Quadrangle
Comment
SEINET10454653
Daucus pusillus
Lowell Ahart, Peter Ahart
1983-6-21
Ahart 4077
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
CAS-BOT-BC8570
Delphinium hansenii
John Thomas Howell
1962-6-16
37602
Butte
Feather River West Branch, southwest of Nelson Bar
304
Comment
JEPS117187
Delphinium hansenii subsp. hansenii
Lowell Ahart
2010-6-1
16760
Butte
On the north side of the Guardians Trail, about one mile east of the power lines, Upper Bidwell Park, about 3 miles (air) east of Chico
188
Comment
CHSC31843
Delphinium hesperium
L. Ahart
1978-5-24
1743
Butte
Near North Honcut Creek. Peter Ahart Ranch, Honcut.
50
Comment
RSA126026
Delphinium hesperium
E. K. Balls
1957-5-22
22501
Butte
Hwy 40, 8.6 miles NE of Oroville.
91
Comment
CHSC10790
Delphinium nudicaule
Lowell Ahart
1968-3-17
Butte
Bidwell Park, Chico.
91
Comment
CHSC51109
Delphinium nudicaule
Ginger S. Gough
1989-4-8
18
Butte
Ca. 9 m ese of Coal Canyon Falls, n Table Mt., ca. 10 km ne of Oroville.
244
Comment
CHSC56872
Delphinium nudicaule
K. O'Connor-Henry
1985-3-8
3
Butte
North Table Mtn., e of Cherokee Rd. and 3 mi. n of Oroville.
329
Comment
CAS-BOT-BC8027
Delphinium nuttallianum
Herbert Faulkner Copeland
1929-6-12
1211
Butte
Jonesville, near north Willow Creek
1524
Comment
CAS-BOT-BC8069
Delphinium nuttallianum
A. A. Heller
1915-6-27
12038
Butte
Jonesville in the Sierra Nevada
1676
Comment
CAS-BOT-BC121609
Delphinium patens subsp. patens
Mrs. J. H. Morrison
1932-5-8
s.n.
Butte
Durham
Comment
CHSC94035
Delphinium patens subsp. patens
R. D. Fischer
2005-4-30
717
Butte
Sierra Nevada foothills, adjacent Hwy. 32, below Forest Ranch in the Big Chico Creek Ecological Reserve on Lookout Trail. Plant collected off brushy, north facing slope.
518
Comment
CHSC52817
Delphinium variegatum
J. D. Jokerst
1981-5-10
1307
Butte
Ca 1/2-3/4 mi S of the Skyway along w side of Hwy 99.
Comment
CDA24274
Delphinium variegatum subsp. variegatum
T. C. Fuller
1958-4-15
Butte
Highway 99E, 4 miles northwest of Oroville.
0
Comment
CHSC3879
Delphinium variegatum subsp. variegatum
Gary Dutton
1966-4-14
212
Butte
Found in Upper Bidwell Park at Gun and Rod Club.
Comment
CHSC95162
Delphinium variegatum subsp. variegatum
R. D. Fischer
2004-4-4
802
Butte
Chico. Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition off Hwy.32. Collected along Guardian Trail between Pine and Bloodypin Trails on an open grassy slope.
335
Comment
CAS-BOT-BC82875
Dendromecon rigida
Mrs. J. H. Morrison
1932-4-17
s.n.
Butte
Durham.
Comment
CHSC59332
Dendromecon rigida
J. L. Guardino
1992-3-23
4
Butte
Paradise. 1/4 mi s of Circle Dr. terminus.
481
Comment
SEINET12089322
Dendromecon rigida
D. G. Bendix
1978-1
17
Butte
WNW corner of Paradise Reservoir #1, 20 m W of intersection of Skyway and Dogtown Road, Magalia
830
Comment
SEINET10907269
Dentaria pachystigma var. dissectifolia
Mary Susan Taylor, L. Hanson
1981-4-10
Taylor 3524
Butte
T22N R4E ne sec 2 to nw sec 1, Pulga SW quad. N-facing grassy serpentine slope, ca. 1/4 mi n of Pine Cluster Ranch, ca. 6 mi n of Jarbo Gap on Hwy 70, ca. 21 air mi n of Oroville. Elevation 2700 to 2900 ft.
731
Comment
SEINET176079
Deschampsia cespitosa
E. B. Copeland
1931-7-15
605
Butte
Jonesville border of the 'Lily Pond' a permanent pool warm in summer
1750
Comment
HSC23363
Deschampsia danthonioides
B. Wilson
1968-4-19
168
Butte
2 mi. S of Cherokee, Table Mountain.
549
Comment
SEINET3927686
Deschampsia danthonioides
B. Ertter, Jeff Strachan
1980-5-5
3255
Butte
Peter Ahart Ranch ca 1.5 miles northeast of Honcut between Oroville and Marysville. North of house.; 0
30
Comment
CAS-BOT-BC201743
Deschampsia elongata
Lowell Ahart
1977-6-16
s.n.
Butte
Peter Ahart Ranch, Honcut. On the banks of North Honcut Creek
50
Comment
CHSC45105
Deschampsia elongata
Lowell Ahart
1988-9-4
6180
Butte
On the bottom and sides of Big Kimshew Creek, the creek crosses a large meadow, about 1 air mile north-east of Jones Meadow.
1920
Comment
CAS-BOT-BC402382
Dicentra formosa subsp. formosa
A. A. Heller
1913-6-7
10831
Butte
West Branch of the North Fork of the Feather River near Stirling
914
Comment
CAS-BOT-BC402386
Dicentra formosa subsp. formosa
E. B. Copeland
1929-7-22
364
Butte
Jonesville
1500
Comment
POM97794
Dicentra formosa subsp. formosa
R. M. Austin, C. C. Bruce
1895-05
2421
Butte
Bidwell Grove
Comment
SEINET11688337
Dichanthelium acuminatum subsp. fasciculatum
L. Ahart, Ahart, P.
1984-1
4726
Butte
about 1.5 mi SE of Bald Mtn, 0.75 mi W of Oak Point, ca 4 mi NE of Stirling City
1500
Comment
SEINET10508815
Dichanthelium lanuginosum
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4138
Butte
T20N R5E se/ne sec 10. Along edge of East Fork Canyon Creek, near Ponderosa Way (Big Ridge Rd), ca. 14 mi ne of Oroville. Foothill Woodland; 500 m.
500
Comment
SEINET10533898
Dichelostemma congestum
R. M. Austin
Austin 37
Butte
Mesa-east of Chico.
Comment
CHSC101669
Dichelostemma multiflorum
Lowell Ahart
2009-4-26
15647
Butte
On the west side of Guardians Trail, about 200 yards southwest of Pine Trail, 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.
381
Comment
HSC32643
Dichelostemma multiflorum
Gary S. Lester
1974-4-20
97
Butte
1 mi. E of Hwy. 99, Skyway Blvd.
61
Comment
SEINET3885608
Dichelostemma multiflorum
R. A. Vanbianchi
1974-4-20
215
Butte
300 yards south of the intersection of Pentz and Clark Rds.; 0
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
SEINET8476826
Dichelostemma volubile
B. Nightengale
1961-4-29
66
Butte
Near highway between Paradise and Chico, 6 miles SW of Paradise.
366
Comment
CHSC94982
Digitaria sanguinalis
Lowell Ahart
2006-10-8
13433
Butte
East side of the North Fork of the Feather River, about 50 yards north 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
CHSC97734
Digitaria sanguinalis
Lowell Ahart
2007-11-3
14568
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
RSA724999
Digitaria sanguinalis
L. Ahart
2006-9-11
13305
Butte
South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville.
432
Comment
CAS-BOT-BC153762
Diplacus angustatus
Junea Kelley
1920-4-24
s.n.
Butte
Los Verjils
Comment
SEINET8340789
Diplacus grandiflorus
Lowell Ahart
2006-5-10
12617
Butte
Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, abotu 2 1/2 miles (air) southwest of Pulga.
354
Comment
CHSC61218
Diplacus kelloggii
Vernon H. Oswald; Lowell Ahart
1993-3-24
5242
Butte
E side of Dry Creek Canyon N of the historical site of Pentz, on the east side of a secondary drainage entering Dry Creek 2 mi. N of Pentz Rd.
274
Comment
CHSC62133
Diplacus kelloggii
L. P. Janeway
1993-7-1
4418
Butte
Plumas National Forest. North side of French Creek, 0.3 mi west of mouth of Ram Creek; along Rd 22N34 0.3 mi west of the 'low water crossing' of French Creek.
624
Comment
CHSC44358
Diplacus tricolor
Lowell Ahart
1988-4-29
5969
Butte
On the Joie Osgood Ranch, about 2 miles north and 2 1/2 miles east of Honcut, about 12 miles south-east of Oroville.
76
Comment
CHSC88054
Disporum hookeri
R. D. Fischer; Jenny Marr
2004-5-16
180
Butte
Chico Meadows. Northern Sierra Nevada, n. of Forest Ranch, 5 miles w. of Hwy 32 off Humboldt Road to Butte Meadows and ca. 3 miles n. to Chico Meadow (Camp Lassen, BSC) on Scout Road. Located at n. end, e. side where rd. crosses mdw., near mdw.
1292
Comment
JEPS98609
Distichlis spicata
Lowell Ahart
2000-6-21
8502
Butte
On the margins of a seep, about 50 yards west of the dirt road at Parking Area L, west of the Diversion Dam, Upper Bidwell Park, about 2 1/2 miles (air) northeast of Manzanita Avenue, Chico.
106
Comment
CDA31991
Dittrichia graveolens
L. Ahart
2007-11-3
14577
Butte
On the west side of Highway 70, about 100 yards north of Nelson Avenue, Thermalito.
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
RSA4135
Dodecatheon alpinum subsp. majus
E. B. Copeland
1930-6-26
s.n.
Butte
Jonesville.
1550
Comment
CHSC4625
Dodecatheon clevelandii subsp. patulum
R. Carter
1966-3-3
290
Butte
Found 4 mi. NE of intersection of Chico Rd. and Old Cherokee Rd., 15' from W side of Cherokee Rd.
243
Comment
CHSC3506
Dodecatheon clevelandii var. patulum
M. Gregg
1966-2-21
14
Butte
Old Chico-Oroville Rd. So. East of Chico. 1/4 mile from Hwy 99E.
53
Comment
CHSC14047
Dodecatheon hendersonii
J. F. Goodwin
1974-3-11
184
Butte
Ca. .8 mi se on Oregon Gulch Rd from its intersection with Cherokee Rd, Table Mt, n of Oroville.
Comment
CHSC14050
Dodecatheon hendersonii
J. F. Goodwin
1972-3-11
183
Butte
Ca. 3.6 mi se on Cherokee Rd from its intersection with Hwy 70, side of road.
Comment
SEINET10458510
Downingia bella
Mary Susan Taylor
1986-5-6
Taylor 5622
Butte
Butte County; Along Cana-Pine Creek Road, Wurlitzer Ranch area, ca. 7 mi N of Chico. Open sun in Valley Grass- land. With Vern Oswald and Lowell Ahart. 200 ft.
61
Comment
CHSC26816
Downingia bicornuta
M. S. Taylor
1978-5-7
1602
Butte
In Richvale vernal pools, ca. 20 mi s of Chico, on w side of Hwy 99.
30
Comment
UCD55002
Downingia bicornuta
R. N. Raynor; H. A. Hannesson
1941-5-9
s.n.
Butte
4 mi. N of Gridley.
30
Comment
SEINET8039331
Downingia bicornuta
B. Ertter, J. L. Strachan, L. Ahart
1980-5-7
3290
Butte
Peter Ahart Ranch, ca 2-1/2 miles NNE of Honcut, between Oroville and Marysville.
30
Comment
UC1562498
Downingia bicornuta var. bicornuta
Barbara Ertter with Lowell Ahart
1986-4-13
5902
Butte
ca 2 air mi nne Honcut (between Oroville and Marysville, Peter Ahart Ranch)
30
Comment
UC764505
Downingia bicornuta var. bicornuta
R. F. Hoover
1938-4-24
3250
Butte
3 mi e Richvale
Comment
SEINET10448473
Draba verna var. aestivalis
Mary Susan Taylor
1979-3-19
Taylor 1929
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
CHSC35018
Draba verna var. verna
R. E. Preston
1982-3-20
195
Butte
Ca. 50 ft n of Humboldt Rd, ca. 3.3 mi e of downtown Chico.
106
Comment
JEPS121904
Draperia systyla
Lowell Ahart
2014-7-16
19671
Butte
About 50 yards east of Skyway, about 1/4 mile north of Stirling City.
Comment
RSA129731
Draperia systyla
C. G. Albertus
1933-7-26
54
Butte
1/2 mile south of Barnum Mill. Chico Quadrangle.
1372
Comment
CHSC41360
Drosera rotundifolia
R. A. Schlising
1980-7-14
3890
Butte
1.1 mile S of Inskip along the Skyway. ... Field redacted by CHSC, contact the data manager for more information
Comment
UC426910
Drosera rotundifolia
E. B. Copeland
1930-7-25
417
Butte
Jonesville
1500
Comment
UCD123996
Drosera rotundifolia
Barry Rice
2011-8-21
BR 110809
Butte
Along Colby Creek. Population upstream, extending into Tehama County.
1490
Comment
UC648311
Drymocallis hansenii
Lewis S. Rose
1939-6-6
39234
Butte
Strawberry Valley
1219
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
CHSC28512
Dryopteris arguta
M. S. Taylor; J. D. Jokerst
1979-10-13
2267
Butte
On Jordan Hill Rd (Ponderosa Way on some maps) ca. 7.1 mi n of its jct with Concow Rd, ca. 2 mi se of Magalia.
Comment
CHSC3431
Duchesnea indica
Judy Potter
1966-3-23
Butte
West of Physical Science bridge Chico State College.
Comment
SEINET10449678
Dudleya cymosa
Mary Susan Taylor
1981-5-15
Taylor 3735
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
CHSC21254
Dysphania ambrosioides
M. S. Taylor
1975-10-3
933
Butte
Ca. 1/4 mi n of the washout, between River Rd and the Sacramento River, ca. 10 mi w of Chico.
36
Comment
CHSC26666
Dysphania ambrosioides
M. S. Taylor; M. Hayes
1977-8-16
1445
Butte
In flower bed, Butte College, Campus, ca. 15 mi s of Chico.
60
Comment
CHSC31541
Dysphania ambrosioides
L. Ahart
1978-7-23
1790
Butte
Along the rd to our home. Peter Ahart Ranch, Honcut.
50
Comment
CHSC108179
Dysphania botrys
L. P. Janeway
2011-8-18
10663
Butte
Northern High Sierra Nevada. Plumas National Forest; top of Bloomer Hill. In areas where mixed conifer forest has been greatly thinned and the resulting understory shrubs have been cleared several years ago.
912
Comment
CDA42929
Echinochloa crus-galli
L. Ahart
2012-9-28
18463
Butte
On the north side of Big Chico Creek, about 150 yards east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
Comment
SBBG116106
Echinochloa crus-galli
B. Crampton
1963-9-9
6887
Butte
ca. 5 mi NW of Biggs, Biggs Rice Experiment Stn
Comment
UC203668
Echinochloa crus-galli
A. A. Heller
1914-5-19
11418
Butte
8 mi n Oroville
Comment
SEINET10509315
Echinochloa crus-galli
Lowell Ahart
1984-9-17
Ahart 4792 A
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
SEINET3928601
Echinochloa muricata
Lowell Ahart
1984-9-17
4792 B
Butte
Peter Ahart Ranch, ca. 2.3 miles north and 0.3 miles east of Honcut, ca. 12 miles south of Oroville.; 0
50
Comment
CAS-BOT-BC197254
Echinochloa muricata var. microstachya
A. A. Heller
1914-5-19
11418
Butte
Hills 8 miles north of Oroville
Comment
SBBG120012
Elaeagnus angustifolia
L. Ahart
2006-8-29
13239
Butte
ca. 100 yards N of the Headquarters, Gray Lodge Wildlife Area
20
Comment
CHSC116008
Elatine ambigua
Lowell Ahart
2015-10-1
20534
Butte
Hamilton road, about 1/4 miles east of Riceton Highway. Rice field on the north side of Hamilton road, about 1/4 miles (air) north of Biggs.
30
Comment
SEINET11994725
Elatine heterandra
Unknown
1984-1
4596
Butte
ca 25 mi N and 1.4 mi E of Honcut, ca 12 mi S of Orovill
40
Comment
CAS-BOT-BC113636
Eleocharis acicularis
E. B. Copeland
1929-7-19
344
Butte
Jonesville, in very wet, grassy glade.
1550
Comment
CHSC28856
Eleocharis acicularis
J. D. Jokerst; T. B. Devine, D. Greenstein
1979-5-2
458
Butte
Ca. 1.0 mi N of jct of Cherokee Rd and E edge of North Table Mt.
381
Comment
SEINET13710245
Eleocharis acicularis
Lowell William Ahart, Lowell William Ahart
2000-1
8690
Butte
Pond on E Side Sacramento River, NE of Parrott Landing, 12 Mi SW Chico
Comment
CAS-BOT-BC113460
Eleocharis bella
A. A. Heller
1914-7-23
11596
Butte
Headwaters of Chico creek in Chico meadows.
1219
Comment
UC1609054
Eleocharis bella
Lowell Ahart
1993-7-13
7065
Butte
12 mi S of Oroville (bottom of a deep wash, Peter Ahart Ranch, 1 1/2 mi N and 1 mi E of Honcut)
36
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
CHSC94332
Eleocharis decumbens
Lowell Ahart
2006-7-25
13060
Butte
In the west part of a large meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1569
Comment
CHSC78193
Eleocharis engelmannii
Lowell Ahart
2000-5-18
8370
Butte
On the bottom of the Clay Pit, about 1/8 mile west of the Oroville Airport and Larkin Road, about 4 1/2 miles (air) southwest of Oroville.
36
Comment
JEPS94889
Eleocharis engelmannii
Lowell Ahart
1998-6-30
8014
Butte
about 7 air mi n of Oroville (sw of the ione oak tree, w of the cow chute on the w side of Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road
403
Comment
JEPS98701
Eleocharis engelmannii
Lowell Ahart
2000-10-21
8712
Butte
About 100 feet north of Hamilton Road, about 1/8 mile east of Riceton Road, Rice Experiment Station northwest of Biggs, 2 1/4 miles (air) north of Biggs.
30
Comment
CAS-BOT-BC113369
Eleocharis engelmannii
M. S. Taylor
1978-7-22
1842
Butte
Ca. 20 ft E of the Midway, ca. 7 mi S of Durham, in rice field.
30
Comment
CHSC2112
Eleocharis macrostachya
R. Morford
1931-4-28
Butte
Dodge Lands.
Comment
CHSC31942
Eleocharis macrostachya
J. D. Jokerst; M. S. Taylor, R. Schlising
1979-5-18
718
Butte
Top of Cohasset Ridge on slopes facing Mud Cr.
243
Comment
CHSC45229
Eleocharis macrostachya
J. D. Prouty
1980-4-7
Butte
Roadside ditch at jct Palermo-Honcut Hwy and Cox Lane; ca 9 mi S of Oroville.
Comment
CHSC68430
Eleocharis macrostachya
L. P. Janeway; C. A. Janeway
1986-10-5
1916
Butte
About 1/2 mi from the west end of Wilson Landing Road.
42
Comment
CHSC94556
Eleocharis macrostachya
Lowell Ahart
2006-9-13
13315
Butte
South edge of the North Fork of the Feather River, about 100 yards west of Mill Creek, 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
RSA0046896
Eleocharis macrostachya
Richard Carter
2006-7-30
17100
Butte
N Chico, 0.3 mi N jct. Nord Hwy and Esplanade, between Esplanade and Hwy CA 99; along Mud Creek.
Comment
CAS-BOT-BC112788
Eleocharis macrostachya
Forman Taylor McLean
1921-9-26
s.n.
Butte
Weed in rice field, Nelson
Comment
CHSC68445
Eleocharis montevidensis
L. P. Janeway
1988-5-29
2705
Butte
Low in canyon of Little Chico Creek, about 2 mi south of Ten Mile House.
228
Comment
JEPS95984
Eleocharis obtusa
Lowell Ahart
1999-10-28
8304
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
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
JEPS98362
Eleocharis quinqueflora
Lowell Ahart
2000-7-7
8559
Butte
4 air miles N[?]E of Feather Falls (N side of Lumpkin Ridge Rd, upper W branch of Know-nothing Creek, 1 mi SW of int of Lumpkin Ridge Rd N to Fall River, and the County Road)
1219
Comment
JEPS98472
Eleocharis quinqueflora
Lowell Ahart
2000-5-30
8411
Butte
2 mi S of Paradise (about 1/4 mi NE of Kunkle Reservoir, E of the Pentz Magalia Road)
548
Comment
CAS-BOT-BC112065
Eleocharis quinqueflora
Lowell Ahart
1987-4-30
5496
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 1/4 miles east of Honcut.
39
Comment
CAS-BOT-BC112031
Eleocharis suksdorfiana
Herbert Faulkner Copeland
1929-6-10
1246
Butte
Jonesville.
1524
Comment
SEINET13710126
Eleocharis suksdorfiana
Lowell William Ahart, Lowell William Ahart
2000-1
8552
Butte
4.5 Mi. N of Stirling City (T25N, R4E, sec 33, SW 1/4) 4300 Ft.
1311
Comment
CHSC101066
Elymus glaucus
R. A. Schlising; R. Preston, R. Banchero
1981-6-22
4107
Butte
Lumpkin Ridge, east of village of Feather Falls.
1280
Comment
UCR143543
Elymus glaucus
H. F. Copeland
1930-7-21
1341
Butte
Jonesville
1524
Comment
SEINET10507701
Elymus glaucus
Mary Susan Taylor
1977-6-25
Taylor 1364
Butte
Foothill Woodland-Yellow Pine Forest transition zone, on Ponderosa Way betwe en Cohasset and Forest Ranch.
610
Comment
CHSC44919
Elymus glaucus subsp. jepsonii
Lowell Ahart
1988-7-28
6136
Butte
Hillside at the north side of the dam at Lost Creek Reservoir.
1036
Comment
CAS-BOT-BC234107
Elymus multisetus
John Thomas Howell
1955-6-15
30512
Butte
West Branch of North Fork of Feather River
182
Comment
CHSC49492
Elymus stebbinsii subsp. septentrionalis
Vernon Oswald
1983-7-6
814
Butte
Humboldt Rd. between Lomo and Butte Meadows, 0.6 mi e of Hwy 32.
1249
Comment
CHSC45760
Epilobium brachycarpum
Steven Triano
1988-9-18
250
Butte
Ca 70 ft w of Hwy. 32 and 20.3 mi n of its jct. with Hwy. 99.
984
Comment
CHSC100797
Epilobium campestre
R. A. Schlising
1986-9-27
4506
Butte
E end of Paradise Lake, N of Paradise and Magalia.
762
Comment
UC873163
Epilobium campestre
A. A. Heller
1914-5-13
11395
Butte
between Durhan and Nelson; Butte Creek
53
Comment
CHSC109665
Epilobium ciliatum subsp. ciliatum
Lowell Ahart
2012-6-28
18235
Butte
10 yards south of Vallombrosa Avenue, northeast of Sycamore Pool, Lower Bidwell Park, Chico.
61
Comment
CHSC69723
Epilobium ciliatum subsp. ciliatum
Lowell Ahart
1997-10-20
7932
Butte
On sand bars, on the west side of the sharp bend in the South Fork of the Feather River, about 1/4 mile north of the bridge across the river, about 3/4 mile north of the Golden Trout Crossing, 3 miles (air) northwest of Sly Creek Reservoir Dam.
914
Comment
CHSC70333
Epilobium ciliatum subsp. ciliatum
R. A. Schlising; P. Broyles
1988-7-3
4562
Butte
SE of Stirling City, past '5 Corners' at a small stream.
Comment
SBBG127998
Epilobium ciliatum subsp. ciliatum
L. Ahart
2009-7-9
16003
Butte
E side of Ten Mile House Rd, upper Bidwell Park, ca. 0.75 mi W of Hwy 32, ca. 10 mi NE of Chico
236
Comment
JEPS108964
Epilobium ciliatum subsp. glandulosum
Lowell Ahart
2006-9-13
13325
Butte
South edge of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville
437
Comment
RSA0118758
Epilobium ciliatum subsp. glandulosum
Lowell A. Ahart
2014-7-13
19653
Butte
East part of a large wet meadow, about 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
SEINET6635797
Epilobium ciliatum subsp. glandulosum
E. B. Copeland
1929-7-25
388
Butte
Jonesville
1500
Comment
CHSC27038
Epilobium densiflorum
Robert A. Schlising
1978-6-25
3294
Butte
E of Oroville, 3.4 mi below L. Wyandotte near L. Oroville.
Comment
UC873154
Epilobium densiflorum
A. A. Heller
1914-7-13
11564
Butte
10 mi e Oroville (stream banks); Mt. Ida Ranch
Comment
CHSC111965
Epilobium foliosum
Lowell Ahart
2012-6-2
18141
Butte
South edge of Truex Road, about 40 yards east of intersection of Truex Road and Trevor Road, about 1/8 mile northwest of West Branch Bridge across Lake Oroville.
306
Comment
CHSC46576
Epilobium glaberrimum subsp. glaberrimum
Vernon H. Oswald
1989-7-18
3862
Butte
Humboldt Rd east of Butte Meadows, ca. 0.5 mi sw of the Butte Creek Bridge at Cherry Hill. Meadow bordering Butte Creek.
1389
Comment
CHSC46581
Epilobium hornemannii subsp. hornemannii
V. Oswald; L. Ahart
1989-7-12
3850
Butte
Meadow near the headwaters of Big Kimshew Creek, ca. 2 mi (air) sw of Lotts Lake, ca. 3 mi (air) se of Philbrook Reservoir. On the edge of a stream on the slope above the meadow.
1926
Comment
CHSC48632
Epilobium minutum
Vernon Oswald
1987-6-2
2943
Butte
Butte-Yuba County line about 3 mi ne of Forbestown, on the se side of Forbestown Reservoir Rd.
883
Comment
UCD106506
Epilobium minutum
Lewis S. Rose
1963-6-2
63071
Butte
2 miles S of Pulga. North fork of Feather River.
579
Comment
POM46486
Epilobium minutum
C. C. Bruce
1897-06
s.n.
Butte
Butte Creek
Comment
SEINET10453179
Epilobium minutum
Mary Susan Taylor
1978-5-6
Taylor 1572
Butte
Just N of Magalia, in large serpentine area along the Skyway.
610
Comment
SEINET6644443
Epilobium obcordatum
E. B. Copeland
1931-1
664
Butte
Jonesville; "the Summit"
2000
Comment
UC478494
Epilobium obcordatum
E. B. Copeland
1931-7-13
664
Butte
The Summit Jonesville
2000
Comment
CHSC1088
Epilobium pallidum
V. Holt
1935-5-11
Butte
Salmon Hole on Chico Creek.
152
Comment
CHSC109598
Epilobium pallidum
Lowell Ahart
2012-5-31
18124
Butte
About half way between Salmon Hole trail and Parking Area O, Upper Bidwell Park.
121
Comment
CHSC8750
Epipactis gigantea
S. Chulasmai
1961-4-30
38
Butte
Heloepine Spring (Upper Bidwell Park).
Comment
SD10028
Equisetum arvense
E. B. Copeland
1930-6-24
Butte
Jonesville
1500
Comment
CAS-BOT-BC57854
Equisetum hyemale subsp. affine
E. B. Copeland
1929-7-6
330
Butte
Jonesville.
Comment
CHSC9
Equisetum laevigatum
A. Small
1960-5-14
Butte
Kimshew.
Comment
UC1609407
Equisetum laevigatum
Lowell Ahart
1993-6-26
7012
Butte
ca. 1/4 mi w Lost Creek Reservoir (near center <of> Section 24, n of dirt rd.)
1036
Comment
CHSC103155
Equisetum telmateia subsp. braunii
Lowell Ahart
2009-6-19
15938
Butte
South of trail where people cross Big Chico Creek, 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
CHSC49542
Eragrostis cilianensis
V. Oswald; R. Cunningham
1988-8-6
3682
Butte
In s Chico, s of Park Ave., near the end of Paseo Campaneros. In the garden of Ruth and Glenn Cunningham.
64
Comment
CAS-BOT-BC284080
Eragrostis pectinacea var. pectinacea
Lowell Ahart
1977-7-10
1493
Butte
3 miles northeast of Honcut
50
Comment
CHSC94758
Eragrostis pectinacea var. pectinacea
Lowell Ahart
2006-9-11
13338
Butte
South side of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville.
431
Comment
CHSC92525
Eremogone cliftonii
Samantha Mackey Hillaire; Matt Brown, Lawrence Janeway, Jamie Lewis
2005-5-4
1216
Butte
North of Pulga/Mayaro area.
1018
Comment
CHSC42695
Eremogone congesta var. congesta
Vernon Oswald; Lowell Ahart
1987-7-1
3054
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
CHSC44199
Eremogone congesta var. congesta
Vernon Oswald
1988-6-30
3549
Butte
At the end of a spur road on the w side of Humbug Rd. between Cold Springs and the summit.
1975
Comment
CHSC41870
Ericameria arborescens
Lowell Ahart
1986-10-16
5406
Butte
Along Ponderosa Way, about 1/2 mile south of Lumpkin Road, about 3 miles south-west of Feather Falls.
609
Comment
UC600729
Ericameria bloomeri
H. F. Copeland
1920-8-25
383
Butte
Jonesville
Comment
UC699659
Ericameria nauseosa var. speciosa
E. B. Copeland
Butte
Butte Meadows Butte
Comment
CHSC113979
Erigeron canadensis
Lowell Ahart
2014-11-17
19910
Butte
Just below the high water line of Lake Oroville, about 50 yards west of the Enterprise Boat Launch Area, parking area, about 11 miles (air) northeast of Oroville.
253
Comment
CHSC48151
Erigeron glacialis var. glacialis
Vernon Oswald; Lowell Ahart
1987-7-1
3071
Butte
Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. On the edge of a streamley draining the largest lake into Butte Creek.
1935
Comment
CHSC58883
Erigeron glacialis var. glacialis
Lowell Ahart
1992-7-26
6855
Butte
Along a stream, about 1/2 mile north of the Carr Mine, about 2 (air) miles south of Snow Mountain.
1798
Comment
CAS-BOT-BC295161
Erigeron inornatus
Lowell Ahart
1981-7-7
2913
Butte
East of the bridge across Rocky Honcut Creek, Swedes Flat Road, ca. 7 mi. N of Bangor
350
Comment
CHSC84726
Erigeron inornatus var. inornatus
L. P. Janeway; Christine Hantelman
2003-6-19
7851
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.
277
Comment
POM193098
Erigeron lassenianus
E. B. Copeland
1929-7-17
489
Butte
Above Jonesville
2000
Comment
CHSC3515
Erigeron philadelphicus
John Francis
1966-4-6
105
Butte
1.5 miles E. of covered bridge (Honey Run). Beside road.
Comment
CAS-BOT-BC216048
Eriodictyon californicum
A. A. Heller
1928-4-30
14535
Butte
Along the Neal Road about 3 miles below Paradise
Comment
CHSC19919
Eriodictyon californicum
M. S. Taylor
1975-2-16
385
Butte
Ca. 2 mi s of Concow Reservoir on Jordan Hill Rd.
Comment
CHSC30810
Eriodictyon californicum
M. S. Taylor; J. D. Jokerst
1980-4-18
2532
Butte
On e side of Humbug Rd, ca. 3 mi sw of Nimshew.
518
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-BC259405
Eriogonum luteolum
A. A. Heller
1916-9-5
12646
Butte
Hills 8 miles north of Oroville
Comment
RSA722693
Eriogonum luteolum
R. R. Halse
2006-8-2
6983
Butte
Chico. In the Lindo Channel Greenway where it crosses under Mangrove Ave.
92
Comment
UCD100307
Eriogonum luteolum
P. Rodriguez-Rojo; D. Sanchez-Mata
1997-8-16
s.n.
Butte
Magalia. Westside of Magalia Res.
310
Comment
CHSC23446
Eriogonum luteolum var. luteolum
K. R. Stern
1974-6-30
5769
Butte
Serpentine outcrop, Coutelenc Road, 0.2 mi n of intersection with Skyway and ca. 1 mi n of Magalia.
Comment
CAS-BOT-BC261717
Eriogonum nudum var. oblongifolium
John Thomas Howell
1975-6-15
51120
Butte
Paradise. Skyway near Clark Road
609
Comment
SBBG128101
Eriogonum nudum var. oblongifolium
L. Ahart
2010-9-12
17149
Butte
below the high water line of Lake Oroville, ca. 150 yards N of the S Fork of the Feather River, ca. 50 yards E of Sucker Crk, ca. 0.25 mi NW of the Ponderosa Dam
243
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
UC1562280
Eriogonum roseum
Lowell Ahart
1990-8-15
2923
Butte
about 1/2 mi nw Enterprise Bridge (below the high water line of Lake Oroville, e of the Enterprise Boat Launch Area); Lake Oroville
274
Comment
CAS-BOT-BC268615
Eriogonum spergulinum var. reddingianum
E. B. Copeland
1931-7-11
s.n.
Butte
Jonesville. Ridge between Jones and North Willow Creeks
1700
Comment
CHSC69453
Eriogonum umbellatum var. ahartii
Lowell Ahart
1997-9-6
7883
Butte
Near the McNab Cypress grove, near the steep 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
CHSC69661
Eriogonum umbellatum var. ahartii
Vernon Oswald; Lowell Ahart
1997-9-9
8857
Butte
Northeast of Magalia near the gravel pit on Jordan Hill Rd. 1.4 road mi east of the Whiskey Flat Bridge over the West Fork Feather River, 0.7 air mi northwest of Sawmill Pk. Lookout.
719
Comment
JEPS100230
Eriogonum umbellatum var. speciosum
Dean W. Taylor
2002-7-3
18215
Butte
Fields Ridge, northerly rim South Fork Feather River canyon (ca. 3 air miles SE of Feather Falls mill site, ca. 19 miles E of Oroville)
1005
Comment Read comments Jan 25 2016
SEINET11932639
Eriogonum umbellatum var. speciosum
M. S. Taylor
1981-1
4280
Butte
N side of Feather River Hwy 70 at Pulga bridge, on large outcrop, ca 20 mi NE of Oroville
488
Comment
CAS-BOT-BC262214
Eriogonum ursinum
Lowell Ahart
1981-8-1
3017
Butte
Near the top of Humboldt Peak
2157
Comment
UC849667
Eriogonum ursinum
A. A. Heller
1938-5-28
15116
Butte
along Feather River Highway 23 mi from Oroville
Comment
CHSC39091
Eriogonum ursinum var. ursinum
R. A. Schlising
1980-7-28
3935
Butte
N part of county, E of Jonesville on road to Scotts John Creek.
Comment
CHSC102182
Eriogonum vimineum
George W. Hartwell
2009-6-30
Butte
Concow Road, approx. 3-4 miles above Concow Reservoir on serpentine ridge burned by wildfire in summer 2008.
858
Comment
CAS-BOT-BC308169
Eriophyllum lanatum var. grandiflorum
E. B. Copeland
1930-7-11
492
Butte
Jonesville
1550
Comment
CHSC21274
Eriophyllum lanatum var. grandiflorum
M. S. Taylor
1975-5-30
394
Butte
On the n side of Upper Bidwell Park Rd, ca. 3 mi e of Golf Course, Upper Bidwell Park, Chico.
121
Comment
CHSC77708
Eriophyllum lanatum var. grandiflorum
Tim Stofer
1997-4-16
17
Butte
This plant was located all along the trail 50 ft. from the head of the South Rim Trail off South Park Dr. in upper Bidwell Park.
76
Comment
UC614533
Eriophyllum lanatum var. grandiflorum
L. Constance, J. L. Morrison
1938-4-30
2176
Butte
5 mi se Oroville; Feather River
152
Comment
SBBG8177
Eriophyllum lanatum var. integrifolium
H. and M. Dearing
1938-6-21
2045
Butte
15 mi N of Chico
Comment
SEINET244631
Erodium botrys
Richard R. Halse
2002-3-27
6154
Butte
At the junction of State Hwy. 99 and Hamilton Nord Cana Hwy. Ca. 8 miles NW of Chico.
40
Comment
JEPS115287
Erodium cicutarium
Lowell Ahart
2009-4-3
15528
Butte
Along margins of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico
67
Comment
HSC67597
Erodium cicutarium
J. P. Smith
1973-3-22
5912
Butte
2.1 mi. E of junction with Hwy. 99 and the road to Paradise
122
Comment
CHSC46111
Eryngium castrense
J. D. Jokerst
1982-4-6
1519
Butte
East of and adjacent to Highway 99 1.0 mi N of its junction with Neil Rd.
Comment
SEINET10940377
Erysimum capitatum
Mary Susan Taylor
1975-4-29
Taylor 544
Butte
Abundant on S side of Hwy 70, ca. 25 mi NE of Oroville, near Bear Creek, ca. 1 mi SW of Butte-Plumas County line; with Styrax officinalis ssp. californica, Draperia systyla; on granitic soils.
Comment
CHSC10770
Erysimum capitatum var. capitatum
Lowell Ahart
1970-5-19
Butte
Along Deadwood Road, off Highway 70.
914
Comment
CHSC1750
Erythranthe bicolor
M. Underhill
1952-6-30
Butte
Comment
CHSC43153
Erythranthe bicolor
R. A. Schlising
1980-6-30
3804
Butte
Humbolt Road, 1.9 mi NE of jct with Hwy 32 at Lomo.
1280
Comment
CHSC102395
Erythranthe cardinalis
Lowell Ahart
2009-8-23
16290
Butte
About 30 yards west of the seep at the base of a large rock, northwest of a broad open drainage in oak woodland, about 150 yards northwest 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.
266
Comment
CAS-BOT-BC151491
Erythranthe filicifolia
Lowell Ahart
1987-5-12
5634
Butte
South of Lumpkin ridge Road, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls
1280
Comment
CHSC109353
Erythranthe filicifolia
T. M. Hanson; Melanie Williams
2012-6-21
Butte
Northern Sierra Nevada. Plumas National Forest; south of Lumpkin Ridge Road (22N27); 2.1 km east of Camp Eighteen.
1256
Comment Read comments Jan 23 2014
CHSC33342
Erythranthe filicifolia
R. Banchero
1980-6-14
220
Butte
Big Bald Rock, ca. 2.5 mi e of Lower Jct of Zink and Bald Rock Rd, 0.5 mi from the road.
975
Comment
CHSC22330
Erythranthe glaucescens
Robert A. Schlising
1963-5-4
2564
Butte
Sierra Nevada. South of Cohasset, 5.2 miles north of Jct. Cohasset Hwy and Kiefer Road, along Cohasset Hwy.
Comment
CHSC38700
Erythranthe glaucescens
Vernon Oswald
1983-3-9
138
Butte
Upper Bidwell Park, Chico, on the north clope ca. 600 ft w of the power lines abd 1600 ft n of the Upper Park Rd.
152
Comment
CHSC85410
Erythranthe glaucescens
John Dittes; Josephine Guardino
1992-5-7
480
Butte
Cascade Range Foothills; ca. 5.1 air-miles northeast of Chico City Hall, ca. 1.3 air-miles east by southeast of Horseshoe Lake, ca. 1.2 air-mile west of Hwy 32; south-facing slope, north of tributary of Dead Horse Slough, east of Canyon Oaks Golf Course.
176
Comment
CHSC42863
Erythranthe guttata
Lowell Ahart
1987-4-30
5487
Butte
Along North Honcut Creek, about 2 1/2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville.
67
Comment
CHSC31871
Erythranthe latidens
L. Ahart
1978-5-1
1678
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC44069
Erythranthe latidens
Lowell Ahart
1986-4-19
5244
Butte
Peter Ahart Ranch, about 2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
39
Comment
CHSC20116
Erythranthe nasuta
M. S. Taylor
1975-4-26
535
Butte
Se corner of Kunkle Reservoir, ca. 1/4 mi e of Pentz-Magalia Hwy, ca. 1 mi s of Paradise.
609
Comment
CHSC44787
Erythranthe nasuta
R. Banchero
1980-3-27
84
Butte
Along Richardson's Springs Rd Ca 4 mi NE of its jct with Cohasset Hwy, Ca 1.3 mi W of the town of Richardson's Springs.
213
Comment
SEINET10469670
Erythronium cliftonii
Mary Susan Taylor, D. Hemphill
1981-3-18
Taylor 3422
Butte
T23N R4E north center third sec 30 Paradise SE quad; from bridge crossing West ranch Feather River, ca. 1/4-1/2 mi e and s along Ponderosa Way (Jordan Hill Rd), e of Magalia; 1600-1900 ft.
488
Comment
CHSC32853
Erythronium multiscapideum
William Askea
1981-4-22
11
Butte
Ca. 50 m w of Butte Creek and 1.2 km n of Magalia Reservoir, 2.5 km n of Magalia.
725
Comment
CHSC27786
Eschscholzia caespitosa
Rene T. Retuta
1978-4-4
2
Butte
.50 miles se of Cherokee Rd., ca. 5 miles n of Oroville, North Table Mountain.
396
Comment
CHSC33140
Eschscholzia caespitosa
J. D. Jokerst
1979-3-20
1155 A
Butte
Table Mountain. Top of North Table Mt, above the waterfalls at the west edge of the mountain S fork of Coal Creek Canyon.
Comment
CHSC52096
Eschscholzia caespitosa
Andrew D. Lane
1984-4-22
9
Butte
Salmon Hole, ca. 6.7 km ne of jct of Hwys 99 and 32, ca. 50 m n of Big Chico Creek.
115
Comment
CAS-BOT-BC402649
Eschscholzia caespitosa
Lowell Ahart
1988-3-27
5938
Butte
West of the deep road cut, about 1/10 mile north of the bridge across the North Fork of the Feather River, about 1/4 mile north of the Poe Power House, about 2 miles south-east of Jarbo Gap
335
Comment
CAS-BOT-BC402969
Eschscholzia californica
A. A. Heller; H. E. Brown
1902-5-6
5456
Butte
Berry Canyon (Near Clear Creek)
Comment
JEPS119618
Eschscholzia californica
Lowell Ahart
2012-6-21
18220
Butte
About 5 yards west of the Freeway, Lower Bidwell Park, Chico.
Comment
CHSC1196
Eschscholzia lobbii
P. Delaplane
1965-3-30
13
Butte
Along W. side of Cohasset Rd., 1/4 mi. S. W. of intersection of Cohasset Rd. and Keefer Rd.
213
Comment
SEINET12092006
Eschscholzia lobbii
Unknown
1979-1
17
Butte
Small population ca 5 mi SE of the town of Cherokee on Cherokee Road on Table Mtn., 23 mi SE
Comment
UC1111604
Eschscholzia lobbii
Herbert L. Mason
1941-4-6
12417
Butte
w Cherokee
304
Comment
RSA0010838
Eucalyptus camaldulensis
L. Ahart
2009-6-12
15843
Butte
East side of the deer pen, about 50 yards north of the Bear s Lair Picnic Area and Coastal Redwood Grove sign, about 130 yards east of Cedar Grove, Lower Bidwell Park, Chico.
67
Comment
CHSC34712
Eucephalus breweri
M. S. Taylor; Lowell Ahart
1981-8-16
4212
Butte
N side of rd 25N04, ca. 0.5 mi E of its jct with 52513, ca. 1 mi NE of Jones Meadow, ca. 6 mi NE of Stirling City.
1889
Comment
CHSC54301
Euphorbia crenulata
Vernon H. Oswald; Lowell Ahart
1991-6-5
4653
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. On roadside banks.
822
Comment
UCD142580
Euphorbia maculata
L. Ahart
1981-9-26
3200
Butte
Along the Sacramento River, ca. 6 mi. W of Chico.
40
Comment
CAS-BOT-BC202425
Euphorbia ocellata
A. A. Heller
1916-9-5
12645
Butte
Hills 8 miles north of Oroville
Comment
CHSC62356
Euphorbia spathulata
B. Castro
1990-4-21
420
Butte
Ca 3 mi SW of Paradise, off Honey Run Rd. Near top of embankment at foot of canyon hillside.
146
Comment
CAS-BOT-BC312197
Eurybia radulina
Lowell Ahart
1988-7-24
6131
Butte
About 1/20 mile north-east of the intersection of Ponderosa Way and Loer Forebestown Road west of Sunset Hill near Forbestown
731
Comment
CHSC37100
Euthamia occidentalis
L. Ahart
1982-9-12
3798
Butte
Along North Honcut Creek, Peter Ahart Ranch, ca. 1 1/4 mi n and 3 mi e of Honcut.
50
Comment
CAS-BOT-BC310668
Euthamia occidentalis
Lowell Ahart
1977-9-20
s.n.
Butte
Peter Ahart Ranch, Honcut. Near the edges of North Honcut Creek
50
Comment
CHSC42497
Fallopia convolvulus
Lowell Ahart
1987-6-9
5722
Butte
On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
JEPS116069
Festuca arundinacea
Lowell Ahart
2009-5-30
15797
Butte
On dry soil, along a small stream, meadow, about 20 yards south of the fence and about 30 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway32, about 10 miles northeast of Chico
269
Comment
CHSC49546
Festuca californica
V. Oswald; L. Ahart
1988-6-17
3398
Butte
North side of the dam at Lost Creek Reservoir. At the edge of the road bordering the reservoir.
1005
Comment
CAS-BOT-BC278300
Festuca californica subsp. californica
Lowell Ahart
1985-5-15
4998
Butte
1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res.
800
Comment
SEINET10560618
Festuca elmeri
Elihu Hall
1863-1
Hall s.n.
Butte
Bolander.
Comment
CHSC88159
Festuca occidentalis
Lowell Ahart
2004-7-23
11298
Butte
On the sides of a small stream, about 20 yards northwest of the dirt road to the West Branch Campground, about 50 yards southeast of the intersection of Humbug Road and Philbrook Reservoir Road, about 1 3/4 miles (air) west of Philbrook Reservoir Dam, about 3 miles (air) southeast of Butte Meadows.
1586
Comment
SEINET10662355
Festuca occidentalis
Lowell Ahart
2007-5-29
Ahart 13942
Butte
T21N, R6E, Section 28. On the south side of the Dome Trail, trail leads to the Middle Fork of the Feather River, at the trailhead which is 3/10 mi E of Bean Creek Road, about 2 miles (air) NE of Big Bald Rock, about 16 mi (air) NE of Oroville.
844
Comment
CAS-BOT-BC278628
Festuca subulata
Lowell Ahart
1982-9-13
3812
Butte
Along the banks of Pinkard Creek, Creek, ca. 1/8 mi. N of the Lost Creek Res. Dam, ca. 2.15 mi. NW of Strawberry Balley
1100
Comment
SEINET10507967
Festuca subulata
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4107
Butte
T21N R5E se/se sec 32. Ca. 1/8 mi e of jct of Oroville-Quincy Hwy & Ponderosa Way (Big Ridge Rd), ca. 15 mi ne of Oroville. Foothill Woodland.
500
Comment
SEINET11672004
Festuca subulata
Unknown
1983-1
4107
Butte
along Ponderosa Way ca 0.12 mi E of int Oroville Quincy Hwy & Ponderosa Way, ca 15 mi NE of Oroville
Comment
JEPS113262
Festuca subuliflora
Lowell Ahart
2007-5-22
13915
Butte
About 1/8 mile south of Bald Rock Dome, on the west side of Dome Trail, trail leads to the Middle Fork of the Feather River, about 200 yards northeast of trail head which is 3/10 mile east of Bean Creek Road, about 2 miles (air) northeast of Big Bald Rock
844
Comment
CHSC50553
Floerkea proserpinacoides
Vernon Oswald; Lowell Ahart
1990-7-5
4352
Butte
Headwaters of Willow Creek, 0.7 mi (odometer) west of Humbug Rd along a logging road just south of Cold Springs (near Humbug Summit), ca. 4 mi east of Jonesville.
1950
Comment
CHSC43057
Fragaria vesca
L. P. Janeway
1987-6-5
2151
Butte
Upper reach of Carey Gulch where rd 22N89 crosses it 0.5 mi from Oro Quincy Hwy. Edge of road near creek.
1097
Comment
SD2199
Fragaria virginiana
E. B. Copeland
1929-7-16
373
Butte
Jonesville, in low woods
1550
Comment
CAS-BOT-BC62901
Frangula californica subsp. tomentella
John Thomas Howell
1959-9-20
34701
Butte
Feather River Highway, 5.5 mi. below West Branch Bridge.
Comment
CAS-BOT-BC62946
Frangula californica subsp. tomentella
Lowell Ahart
1968-5-8
972
Butte
Peter Ahart Ranch, Honcut.
150
Comment
HSC104007
Frangula californica subsp. tomentella
L. Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-17
18072
Butte
Chico, Lower Bidwell Park; along a horse trail, ~50 ft. south of Vallombrosa Ave., ~ 0.25 mi. W of Peterson Drive
76
Comment
SEINET8730880
Frasera albicaulis
Unknown
1946-1
2944
Butte
S. 1, T. 20 N0. , R. 5 E.
Comment
CHSC104008
Fraxinus caroliniana
Lowell Ahart; Wes Dempsey, J. Guardino, S. Mason, S. Green
2010-5-28
16742
Butte
On the south side of the path, about 30 yards south of the Cedar Grove Parking Area in lower Bidwell Park, Chico.
67
Comment
CAS-BOT-BC223474
Fraxinus latifolia
Lowell Ahart
1987-8-3
5849
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
274
Comment
SEINET10457424
Fraxinus latifolia
Mary Susan Taylor
1974-10-11
Taylor 327
Butte
Along Sacramento River, in vicinity of the washout on River Road, ca. 10 mi W of Chico. Riparian Woodland.
61
Comment
JEPS55691
Fritillaria
G. E. See and H. M. Beard
1960-6-18
Butte
Pinkston Canyon, Yankee Hill, Big Bend Road Yankee Hill; Pinkston Canyon, Yankee Hill
609
Comment Read comments Feb 23 2012
CHSC28967
Fritillaria affinis
J. D. Jokerst
1980-2-24
450
Butte
E branch of Mud Cr ca 0.5 mi E of Richardsons Springs.
243
Comment
CAS-BOT-BC130315
Fritillaria eastwoodiae
L. C. Hanson
1987-4-15
s.n.
Butte
Along Milsap Bar Road, Plumas National Forest
Comment
CHSC29033
Fritillaria micrantha
J. D. Jokerst
1980-3-28
525
Butte
E of the northern most portion of North Table Mt.
365
Comment
SEINET3992162
Fritillaria pluriflora
A. A. Heller
1916-3-5
12278
Butte
Along the highway 10 miles north of Chico
Comment
UC726161
Fritillaria pluriflora
A. A. Heller
1916-3-5
12278
Butte
along the highway 10 mi n of Chico
Comment
CAS-BOT-BC508147
Fritillaria recurva
Flower Show
1929-4-1
s.n.
Butte
Unspecified
Comment
JEPS97588
Fritillaria recurva
R. D. Stone and W. B. Davilla
1984-4-21
595
Butte
ca. 0.6 mi ENE of De Sabla Powerhouse; Butte Creek drainage
701
Comment
POM109786
Fritillaria recurva
C. C. Bruce
1897-02
2026
Butte
Little Chico
Comment
SEINET10905360
Fritillaria recurva
Mary Susan Taylor
1981-5-21
Taylor 3784
Butte
T23N R5E south central border sec 8, Pulga SW quad. Jct of Camp Creek and Rd 23N10, ca. 4 mi N of Pulga on Feather River Hwy 70. Granite soils; Yellow Pine Forest; 3300 ft.
1006
Comment
CHSC20972
Galium bolanderi
M. S. Taylor
1975-9-12
906
Butte
Ca. 24 mi NE of Chico, ca. 500 ft W of Hwy 32.
1066
Comment
CHSC28017
Galium bolanderi
M. S. Taylor
1978-7-18
1671
Butte
On west side of Hwy 32, ca. 1/4 mi N of Forest Ranch.
718
Comment
UCD121612
Galium bolanderi
Harriet Sindel
1970-5-10
8
Butte
Cohasset Highway 11.5 miles northeast of intersection with Keefer Lane, Cohasset.
609
Comment
UC1586556
Galium divaricatum
Lowell Ahart
1991-5-12
6652
Butte
about 1 1/4 mi n and 2 1/2 mi e Honcut (about 12 mi se of Oroville, banks of a small wash); Peter Ahart Ranch
48
Comment
SD4923
Galium grayanum subsp. grayanum
E. B. Copeland
1930-7-25
474
Butte
Jonesville, in crevices, dry rocky ridge
1700
Comment
CHSC48885
Galium grayanum var. grayanum
Vernon H. Oswald
1983-8-17
988
Butte
Trail between Humboldt Summit and Humboldt Peak, ca 3 mi NE of Jonesville.
2097
Comment
CHSC61008
Galium murale
Lowell Ahart
1993-5-31
6956
Butte
In Nature Garden, Durham Elementary School, Durham.
51
Comment
SEINET10500724
Galium murale
Mary Susan Taylor
1980-4-16
Taylor 2494
Butte
T21N R4E s sec 17 Cherokee quad. Lake Oroville State Recreation Area, up to 0.5 mi SE of Parish Camp, just S of Lime Saddle Memorial Park, ca. 5 mi S of Paradise; Foothill Woodland.
305
Comment
CHSC42431
Galium parisiense
Lowell Ahart
1987-5-6
5537
Butte
At the Poe Power House that is along the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap.
283
Comment
CHSC108322
Galium trifidum var. pacificum
Lowell Ahart
2011-8-23
17651
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
CHSC51012
Galium trifidum var. pacificum
Lowell Ahart
1990-7-15
6554
Butte
West of the Enterprise Boat Launch Area, about 1/2 mile north-west of the Enterprise Bridge across Lake Oroville.
268
Comment
CHSC61011
Galium trifidum var. pacificum
Lowell Ahart
1993-6-26
7017
Butte
Near center, section 24. North of the dirt road, about 1/4 mile west of the Lost Creek Reservoir.
1036
Comment
CAS-BOT-BC169935
Garrya fremontii
Wm. S. Levis
1931-7-3
s.n.
Butte
Middle Feather River
Comment
CHSC3588
Garrya fremontii
Susan Carrauthers
1966-3-5
29
Butte
E. of city of Chico along highway 32 toward Susanville ca. 12 mi.
Comment
HSC102784
Garrya fremontii
L. Ahart
2012-3-2
17759
Butte
About 9 mi. NE of Chico, ~200 yds. west of Hwy.32, ~200 yds. N of Ten Mile House Rd.
423
Comment
SEINET10453484
Garrya fremontii
Mary Susan Taylor
1980-4-18
Taylor 2530
Butte
On dry open bluff, on E side of Humbug Road, ca. 3 mi SW of Nimshew; Foothill Woodland. With J.D. Jokerst.
518
Comment
UCD66573
Gastridium phleoides
A. A. Heller
1914-6-2
11474
Butte
8 miles north of Oroville.
Comment
CHSC61312
Gaultheria ovatifolia
Lowell Ahart
1993-8-8
7149
Butte
About 1/2 mile north-west of Lewis flat, about 3/4 mile north-west of the Sly Creek Dam.
1097
Comment
UC1563295
Gaultheria ovatifolia
V. Oswald, L. Ahart, and L. Hanson
1990-8-14
4440
Butte
0.75 mi w of n end of Sly Creek Reservoir (French Creek on the n side of Forest Road 21N16); French Creek, Forest Road 21N16
1219
Comment
CDA38135
Gayophytum diffusum subsp. parviflorum
L. Ahart
2003-8-17
10513
Butte
North edge of the meadow, about 100 yards northeast of the buildings in Butte Creek House Meadow, about 3 miles northeast of Snag Lake, about 7 miles (air) east of Butte Meadows.
Comment
CHSC27998
Gayophytum heterozygum
M. S. Taylor
1978-7-18
1672
Butte
On w side of Hwy 32, ca. 1/4 mi n of Forest Ranch.
718
Comment
CHSC37449
Gayophytum humile
R. A. Schlising; R. Banchero, D. Ikeda
1980-6-26
3787
Butte
3.2 miles se of Butte Meadows on Bull Hill Road (= Skyway). In small meadows along Bull Creek.
1511
Comment
CAS-BOT-BC208057
Genista monspessulana
John Thomas Howell
1959-9-20
34676
Butte
Lower foothills, eastern outskirts of Oroville
60
Comment
UC1564769
Gentiana newberryi
V. Oswald and L. Ahart
1989-8-22
3956
Butte
3.5 mi (air) se Jonesville (on the e side of Humbug Rd, Butte Creek House Meadow)
1767
Comment
CHSC48452
Gentianopsis simplex
Vernon Oswald
1987-7-16
3117
Butte
Slightly w of the Skyway 1.4 mi s of Inskip. Meadow.
1426
Comment
SEINET2140398
Gentianopsis simplex
E. B. Copeland
1930-1
440
Butte
Jonesvilee, Butte County.
1500
Comment
RSA0028178
Geranium carolinianum
L. Ahart
2009-4-26
15649
Butte
Upper Bidwell Park: on N side of Ten Mile House Road, about 100 yards W of the intersection of Hwy 32 and Ten Mile House Road, about 10 miles NE of Chico.
462
Comment
UCD103290
Geranium carolinianum
L. Ahart
1982-4-21
3290
Butte
Peter Ahart Ranch. Near North Honcut Creek, about 1 1/4 miles north and 3 miles east of Honcut.
50
Comment
JEPS119716
Geranium dissectum
Lowell Ahart
2012-4-30
17926
Butte
About 20 yards southeast of the intersection of South Rim Trail and 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.
Comment
JEPS122283
Geranium dissectum
Lowell Ahart
2014-4-16
19378 -A
Butte
On the sides but near the top of a large canal, about 100 yards north of East Gridley Road, on the west side of the Feather River, about 2 miles east of Gridley.
Comment
CHSC3975
Geranium molle
J. W. Cherry
1967-3-26
Butte
Common in open grassy areas along either side of Bidwell Park road, .3 mi. e. of Salmon Hole.
170
Comment
SEINET10870230
Geranium molle
Mary Susan Taylor
1976-3-30
Taylor 1039
Butte
Ca. 15-50 ft E of Cherokee Rd, ca. 1 mi S of Cherokee, on N side of Table Mt; with Mimulus tricolor.
305
Comment
CHSC64211
Geum macrophyllum
S. C. Morey
1983-8-3
697
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows.
1292
Comment
CHSC41371
Gilia capitata subsp. mediomontana
R. A. Schlising
1980-6-17
3731
Butte
N of De Sabla, along the Skyway, ca. 1.5 mi SW of junction with Coutelenc Road at Lovelock.
780
Comment
CHSC24736
Gilia tricolor
L. Casto
1976-4-28
18
Butte
50 yd s of Skyway, ca. 4 mi e of intersection of Hwy 99 and Skyway.
182
Comment
SEINET12350112
Gilia tricolor subsp. tricolor
Unknown
1998-4-11
7
Butte
Chico, Upper Bidwell Park about 1 km E of Horseshoe Lake, along gravel road that follows Chico Creek
104
Comment
SEINET10840482
Githopsis pulchella subsp. campestris
Carter
1965-5-15
Carter 201
Butte
On east side of Highway 32, 10.7 miles northeast of 99E overpass at Chico
305
Comment
CDA11953
Githopsis specularioides
G. F. Hrusa, J. Hart
1989-4-15
5917
Butte
Sierra Nevada; Summit of North Table Mountain.
Comment
CHSC32128
Githopsis specularioides
L. Ahart
1973-5-6
213
Butte
Swedes Flat Rd, near Bangor.
457
Comment
SEINET10464572
Githopsis specularioides
A. Arthur Heller
1915-4-20
Heller 11853
Butte
Chico-Centerville road 3 miles from Chico at the lower limit of the digger pine belt
Comment
JEPS87474
Glyceria declinata
Lowell Ahart
1993-4-5
6927
Butte
s. side of Cottonwood Rd. ca. 1/2 mi. e. of Hwy. 99
36
Comment
JEPS98452
Glyceria declinata
Lowell Ahart
2000-5-21
8377
Butte
10 mi NW of Oroville (slickens from the Cherokee mine, E side of Clark Road (Hwy 191), 200 yds S of Dry Creek)
60
Comment
JEPS115661
Glycyrrhiza lepidota
Lowell Ahart
2009-5-30
15801
Butte
South of a small stream, meadow, about 30 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
209
Comment
POM39096
Gnaphalium chilense
C. C. Bruce
1897-05
2108
Butte
Little Chico.
Comment
SEINET10473778
Gnaphalium chilense
Lowell Ahart, Peter Ahart
1983-7-29
Ahart 4226
Butte
T21N R6E ne sec 2. Ca. 1/4 mi w of Milsap Bar, ca. 25 mi ne of Oroville. Yellow Pine Forest; 500 m.
500
Comment
CHSC38352
Gnaphalium luteoalbum
Vernon Oswald
1983-4-25
391
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1.3 mi e of the power lines.
353
Comment
JEPS120604
Gnaphalium palustre
Lowell Ahart
2013-11-17
19258
Butte
McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville.
Comment
CDA13240
Goodyera oblongifolia
G. F. Hrusa, T. D. Wilfred
1996-7-8
13087
Butte
Plumas National Forest; Near Old Railroad Grade Rd., Paradise Lake Dam, approx. 3 m. N of Magalia.
Comment
UCD132552
Grindelia camporum
Dr. Freeman
1974-6-25
s.n.
Butte
Gridley.
Comment
CHSC62095
Grindelia hirsutula var. davyi
L. P. Janeway
1993-8-7
4507
Butte
Plumas National Forest. Along Road 21N25A at southwestern end of Watson Ridge; ca 2 mi east of Bald Rock Dome. Along edges of dirt road.
1082
Comment
CDA3433
Gypsophila elegans
L. Ahart
2001-4-15
8726
Butte
On the north side of the dirt road east of the large pump, on the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) southwest of Gridley.
Comment
UC426942
Hackelia californica
E. B. Copeland
1930-6-29
449
Butte
Jonesville
1550
Comment
UC480671
Hackelia nervosa
H. F. Copeland
1931-6-11
Butte
woods above Butte Creek Meadows; Jonesville
Comment
CAS-BOT-BC282857
Hainardia cylindrica
Lowell Ahart
1974-6-3
s.n.
Butte
Peter Ahart Ranch, Honcut
45
Comment
RSA69248
Hastingsia alba
Frank W. Peirson
1926-6-21
6776
Butte
Butte Meadow, Humboldt Road.
Comment
CHSC46332
Hedypnois cretica
Lowell Ahart
1989-5-23
6235
Butte
Along the edge of a new subdivision road, 1/2 mile east of Dunstone Drive, about 1/2 mile north of Bangor Park Road, west of Bangor.
76
Comment
RSA516592
Hedypnois cretica
R. C. Bacigalupi, G. Thomas Robbins, Francia Chisaki
1956-4-19
5603
Butte
Roadside at bridgehead across N Fork of Feather River, Nelson Bar road.
198
Comment
CHSC45679
Helenium bigelovii
Vernon Oswald
1983-7-6
819
Butte
Near Scout Rd. 1.2 mi n of Butte Meadows.
1325
Comment
CAS-BOT-BC309402
Helenium puberulum
John Thomas Howell
1959-9-20
34710
Butte
Feather River Highway at West Branch bridge
Comment
CAS-BOT-BC314696
Helianthella californica var. californica
A. A. Heller
1915-5-25
11897
Butte
Ridge above Enterprise in teh Sierra Nevada
609
Comment
CAS-BOT-BC314757
Helianthella californica var. nevadensis
E. B. Copeland
1931-6-22
695
Butte
Jonesville
2150
Comment
CHSC11823
Helianthella californica var. nevadensis
E. B. Copeland
1931-6-22
695
Butte
Jonesville, at 'the Summit'.
2150
Comment
CHSC42463
Helianthella californica var. nevadensis
Lowell Ahart
1987-5-22
5669
Butte
About 1/8 mile south-east of Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
1280
Comment
CAS-BOT-BC305517
Helianthus bolanderi
A. A. Heller
1914-9-3
11761
Butte
On the Chico-Hamilton road 6 miles from Chico
Comment
CHSC44378
Helminthotheca echioides
Lowell Ahart
1988-6-23
6060
Butte
Along the east side of Wyandotte Miners Ranch Road, about 1/2 mile south of Olive Highway, about 5 miles south-east of Oroville.
259
Comment
CHSC31567
Hemizonia congesta subsp. luzulifolia
L. Ahart
1974-10-5
658
Butte
Near Honcut.
45
Comment
UC186060
Hemizonia congesta subsp. luzulifolia
H. M. Hall
1914-8-1
9825
Butte
near Chico
Comment
CAS-BOT-BC309787
Hemizonia congesta subsp. luzulifolia
Lowell Ahart
1982-9-9
3768
Butte
About 100 meters north of the Check-in-Station, Gray Lodge, about 12 miles south-west of Gridley
35
Comment
CDA7021
Hemizonia congesta subsp. luzulifolia
A. C. Browne
1951-8-23
Butte
Robinson s Corners, Gridley-Oroville Road.
0
Comment
CHSC33681
Hemizonia pungens subsp. septentrionalis
L. Ahart
1981-5-16
2803
Butte
On Gray Lodge Waterfowl Mgmt Area, 11 mi sw of Gridley.
35
Comment
SD3460
Heracleum maximum
E. B. Copeland
1930-6-29
Butte
Jonesville
1500
Comment
CHSC44868
Hesperevax acaulis var. robustior
Lowell Ahart
1979-4-17
1828
Butte
On a bank of North Honcut Creek, about 1/2 mile north of Avacado Avenue, about 3 air miles north-west of Bangor.
91
Comment
JEPS108885
Hesperocnide tenella
Lowell Ahart
2006-4-27
12535
Butte
Peter Ahart Ranch, about 1 1/4 miles north and 1 1/4 miles east of Honcut
45
Comment
CHSC78153
Hesperolinon californicum
Lowell Ahart
2000-5-17
8368
Butte
Near the southeast margin of the Thermalito Afterbay, west of the poor dirt road, about 1/8 mile north of the Richvale Highway, about 3/4 mile east of Highway 99, about 7 1/4 miles (air) west of Oroville.
42
Comment
CDA18369
Heteranthera limosa
G. D. Barbe
1978-8-14
2438
Butte
Biggs Rice Experiment Station.
0
Comment
JEPS116097
Heterocodon rariflorum
Lowell Ahart
2009-5-15
15699
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
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
UC897754
Heterocodon rariflorum
A. A. Heller
1914-7-23
11616
Butte
Chico Meadows
1219
Comment
SEINET10460699
Heterocodon rariflorum
Edwin B. Copel
1929-7-16
Copeland 398
Butte
Jonesville
1550
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
SEINET10483352
Heteromeles arbutifolia
Mary Susan Taylor
1975-10-29
Taylor 967
Butte
Butte Creek, ca. 2-500 yds S of Humbug Road, ca. 2 mi E of junction of the Skyway and Humbug Road; with Platanus racemosa, Rhus trilobata.
Comment
SEINET10542116
Heteromeles arbutifolia
Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux
1973-6-5
Conrad 7028
Butte
2.6 miles w of paradise on chico road
610
Comment
SEINET11908428
Heteromeles arbutifolia
Unknown
1978-1
6
Butte
20 ft. S of hwy. 32, 9 mi E. of jct of hwys 99 and 32. 9 mi, E of Chico
366
Comment
CHSC66851
Heterotheca oregona var. compacta
Vernon H. Oswald
1996-9-30
8289
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Northern Sacramento Valley. On the W side of the farm road between Camp 2 East and Camp 2 West in The Nature Conservancy easement area, near the Riparian Sanctuary. [Label says 'T20N R01W S15 SE1/4 of NW1/4'].
30
Comment
CHSC83120
Heterotheca oregona var. compacta
Lowell Ahart
2002-9-27
9939
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
UC114811
Heuchera micrantha var. erubescens
Mrs. R. M. Austin
Mar 1896
673
Butte
Little Chico Canyon
Comment
CHSC25349
Heuchera micrantha var. pacifica
Marc P. Hayes
1977-4-22
15
Butte
Scattered population, ca. 200 m from confluence of Heinz Crk. and North Fork of Feather River, ca. 20 km nw Paradise.
455
Comment
RSA443118
Hoita macrostachya
L. Ahart
1985-6-30
5080
Butte
About 2.5 miles northeast of Forbestown.
869
Comment
CAS-BOT-BC280712
Holcus lanatus
John Thomas Howell; Gordon H. True
1967-6-11
42562
Butte
On northwest side of Feather River Canyon near Pulga Bridge
Comment
CAS-BOT-BC280716
Holcus lanatus
Lowell Ahart
1981-9-15
3156
Butte
One half mile N of the Lost Creek Reservoir
1100
Comment
CDA2179
Holcus lanatus
L. Ahart
2000-7-17
8594
Butte
Peter Ahart Ranch, about 12 miles (air) southeast of Oroville. about 1 1/2 miles north and 1 1/2 miles east of Honcut,
Comment
CAS-BOT-BC150115
Holodiscus microphyllus var. glabrescens
H. F. Copeland
1928-8-14
398
Butte
Near Jonesville. Between Jones Creek and Scotch-John Creek
1828
Comment
CHSC58951
Holodiscus microphyllus var. glabrescens
Lowell Ahart
1992-7-26
6842
Butte
Slope, on the west side of a stream, about 1/2 mile north of the Carr Mine, about 2 (air) miles south of Snow Mountain.
1767
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
CHSC3923
Hordeum jubatum
A. K. Revard
1967-4-15
16
Butte
In ditch, ca. 12 ft. s of Royles Rd., ca. 2 mi w of Hwy. 99, and ca. 19 mi n w of Chico.
60
Comment
CHSC42373
Hordeum marinum subsp. gussoneanum
Lowell Ahart
1987-5-6
5563
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
CHSC56632
Hordeum marinum subsp. gussoneanum
J. Lund
1980-4-18
Butte
0.9 mi east of Hicks Lane on the south side of Keefer Road, ca 50 ft from the edge of the road.
91
Comment
HSC92442
Hordeum marinum subsp. gussoneanum
L. Ahart
1975-5-12
757
Butte
Peter Ahart Ranch, about 1 1/2 mi. N and 1 mi. E of Honcut. 12 mi. S of Oroville.
Comment
CHSC61316
Hosackia crassifolia var. crassifolia
Lowell Ahart
1993-7-29
7126
Butte
Along a logging road, about 1/8 mile north-west of the Snow Mine, about 2 1/2 miles north-east of the Bald Mountain, about 6 1/2 miles north-east of Stirling City.
1676
Comment
CHSC41450
Hosackia incana
Lowell Ahart
1986-7-2
5343
Butte
Along the edge of a dirt road, about 1/2 mile south of Bald Mountain, about 4 1/2 miles north-east of Stirling City.
1706
Comment
CHSC55469
Hydrocotyle umbellata
L. P. Janeway
1991-4-21
3916
Butte
About 1 1/4 mi south of Wyandotte and 1/8 mi west of Dunstone Road.
167
Comment
CHSC46200
Hydrophyllum occidentale
L. P. Janeway
1988-6-25
2879
Butte
Creek along Bull Hill Rd 2.2 mi from the Skyway. Disturbed (logged) slope just above the creek.
1508
Comment
CAS-BOT-BC175965
Hypericum
Lowell Ahart
1977-10-15
s.n.
Butte
Peter Ahart Ranch, Honcut. Along edge of North Honcut Creek
50
Comment
CAS-BOT-BC400828
Hypericum anagalloides
A. A. Heller
1916-9-8
12652
Butte
Ten mile house east of Chico
Comment
JEPS87158
Hypericum formosum var. scouleri
Lowell Ahart
1992-8-2
6899
Butte
ca. 3 (air) mi. n.e. Concow Reservoir (Concow Meadow, bottom of Concow Creek); Concow Meadow, Concow Creek
1097
Comment
CDA5079
Hypericum perforatum
D. G. Kelch
2006-8-2
6 .342
Butte
Along Butte Creek, north of Durham-Dayton Hwy.
Comment
UC204399
Hypericum perforatum
A. A. Heller
1914-7-13
11570
Butte
hills ca. 5 mi. e. Oroville (also between Red Bluff & Redding, and in Sacramento canyon some miles below Delta <in> Shasta Co.)
Comment
CAS-BOT-BC401332
Hypericum scouleri
A. A. Heller
1914-7-23
11599
Butte
In Chico Meadows
1219
Comment
CAS-BOT-BC401336
Hypericum scouleri
E. B. Copeland
1930-7-18
426
Butte
Jonesville
1550
Comment
CHSC29113
Hypochaeris glabra
M. S. Taylor; J. D. Jokerst
1980-4-6
2454
Butte
On s side of Melody Lane, ca. 1 mi e of its jct with Honcut-Palermo Rd, ca. 5 mi s of Palermo.
38
Comment
CAS-BOT-BC312925
Hypochaeris glabra
E. B. Copeland
1899-4-4
s.n.
Butte
Chico [however note comments in record; possibly near Vina in Tehama Co.]
Comment
SEINET10473837
Hypochaeris glabra
Mary Susan Taylor
1981-5-19
Taylor 3809
Butte
T22N R5E sw sec 23. Berry Creek quad. Both sides of 22N31, on Chibo Ridge ca. 2 mi NW of its jct with French Creek, ca. 4 air mi S of Coyote Gap, ca. 17 air mi NE of Oro- ville. Yellow Pine Forest; gravelly decomposed granite: 2800 ft.
853
Comment
POM109038
Iris
C. C. Bruce
1898-04
2068
Butte
Foothills Butte County
Comment
CAS-BOT-BC133551
Iris hartwegii
Clarence R. Quick
1952-6-30
52 -97
Butte
Ridge top, Big Bar Mt., east of Pulga
Comment
HSC23349
Iris hartwegii
Carolyn Fante
1971-10-17
17
Butte
S side of Honey Run Rd.
122
Comment
RSA136349
Iris hartwegii
Lee W. Lenz, E. K. Balls
1955-5-13
20689
Butte
Just south of Paradise on road to Oroville
549
Comment
RSA565165
Iris hartwegii
R. J. Shaw
1993-5-23
5092
Butte
ca. 15 miles east of Chico at junction of Highway 32 and Sugar Pine Place
1000
Comment
CHSC27771
Iris macrosiphon
David Bendix
1978-4-18
15
Butte
5 m sw of intersection of Neal Road with Skyway, Paradise.
530
Comment
CHSC87550
Iris pseudacorus
R. D. Fischer
2004-3-29
73
Butte
Collected in backyard pond from house on Floral Avenue in Chico. Plants in turn were collected from another Chico home and they in turn were collected from margins of Edgar Slough (Comanche Creek) next to Hwy 99, south Chico.
60
Comment
CHSC43572
Isoetes nuttallii
Vernon Oswald
1984-2-22
1083
Butte
Upper Bidwell Park, Chico, ca. 100 ft n of Upper Park Rd. at Diversion Dam.
134
Comment
CHSC44626
Isoetes nuttallii
Vernon H. Oswald
1987-4-22
2343
Butte
Butte Creek Reserve between the creek and Durham Mutual Ditch, ne of Hwy 99.
67
Comment
SEINET11718752
Isoetes nuttallii
Unknown
1985-1
4945
Butte
E branch of Potter Ravine, ca 2.25 mi N of Oroville Dam
350
Comment
CHSC45588
Isolepis setacea
M. S. Taylor
1981-5-6
3622
Butte
W side of rd leading to Jackson Ranch, ca. 5 air mi N of Feather Falls.
1127
Comment
JEPS98516
Isolepis setacea
Lowell Ahart
2000-7-11
8564
Butte
on the N side of Lumpkin Ridge Road, upper west branch of Know-nothing Creek, about 1 mile SW of the intersection of Lumpkin Ridge Road, road to Fall River, and the County Road, about 5 miles (air) NE of Feather Falls.
1219
Comment
CHSC93648
Juglans californica var. hindsii
Paul Kirk; Joe Silveira
2001-5-25
2
Butte
Rancho Llano Seco, 1.8 km WSW of ranch house, just off the ranch road south of 'The Lagoon' around Ryan Island.
30
Comment
CAS-BOT-BC210160
Juncus acuminatus
Peter Rubtzoff
1978-8-6
9248
Butte
Thermalito Forebay, North Area in Lake Oroville State Recreation Area. Near picnic area just off Hwy. 70
Comment
CHSC76017
Juncus articulatus
Lowell Ahart; Vernon H. Oswald
1999-8-13
8147
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
CDA39167
Juncus articulatus
G. D. Barbe, T. C. Fuller
1982-6-14
3677
Butte
Black Bart Road 0.5 mile west of Forbestown Road.
Comment
SEINET10472239
Juncus bufonius
Lowell Ahart, Peter Ahart
1982-6-26
Ahart 4141
Butte
T20N R5E nw/nw sec 15. Along Ponderosa Way (Big Ridge Rd), just a little s of the East Fork Canyon Creek, ca. 14 mi ne of Oroville. Foothill Woodland;
500
Comment
CHSC41987
Juncus bufonius var. bufonius
Lowell Ahart
1986-11-14
5471
Butte
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
CHSC61346
Juncus bufonius var. bufonius
Lowell Ahart
1993-7-29
7118
Butte
Near a seep, about 2 1/2 miles north-east of Bald Mountain, about 6 1/2 miles north-east of Stirling City.
1584
Comment
CHSC99318
Juncus bufonius var. bufonius
Lowell Ahart
2008-5-30
14791 A
Butte
Along a small drainage, northwest part of the top of Big Bald Rock, about 14 miles (air) northeast of Oroville.
976
Comment
UC1609069
Juncus bufonius var. bufonius
Lowell Ahart
1993-6-20
6992
Butte
about 1 air mi nw of the Lost Creek Reservoir Dam (Jackass Flat, Mooreville Ridge); Jackass Flat, Mooreville Ridge
1158
Comment
UCSB63749
Juncus bufonius var. congestus
Ahart, Lowell
1998-5-2
Butte
T17N, R2E, southwest 1/4 Section 7; graded north side of Evans Reimer Road; about 1/4 mile east of Pennington Road; about 5 miles (air) southwest of Gridley
21
Comment
CHSC31912
Juncus bufonius var. occidentalis
L. Ahart
1978-5-1
1680
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC42517
Juncus bufonius var. occidentalis
Lowell Ahart
1987-5-6
5575
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC55454
Juncus capitatus
L. P. Janeway
1991-4-12
3893
Butte
1 1/4 mi east of Palermo-Honcut Road, ca 3 mi north of Honcut.
45
Comment
CHSC82263
Juncus capitatus
Lowell Ahart
2002-4-24
9535
Butte
Vernal pools and swales, 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
CHSC42897
Juncus covillei
Lowell Ahart
1987-7-8
5814
Butte
Near a stream, along Walker Plains Road, about 1/8 mile north of Coyote Gap, about 5 miles east of Pulga.
1280
Comment
CHSC49609
Juncus drummondii
Vernon Oswald; Lowell Ahart
1987-7-1
3084
Butte
Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. On the s edge of the large lake.
1935
Comment
JEPS98528
Juncus dubius
Lowell Ahart
2000-6-17
8485
Butte
2 mi S of Paradise (1/4 mi NE of Kunkle Reservoir, E of the Pentz Magalia Road)
548
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
CDA43012
Juncus effusus subsp. pacificus
L. Ahart
2008-7-23
15152
Butte
On the east side of McCabe Creek, below the high water line of Lake Oroville, about 100 yards southwest of the poor parking area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville.
Comment
CHSC28546
Juncus effusus subsp. pacificus
M. S. Taylor
1978-7-18
1721
Butte
On n side of Butte Creek, ca. 1/8 mi w of Road Island jct, at jct of Butte Creek and Old Humboldt Rd, ca. 1 mi w of Cherry Hill Campground, sw of Jonesville.
1524
Comment
CHSC99762
Juncus effusus subsp. pacificus
Lowell Ahart
2008-7-23
15141
Butte
On the east side of Sucker Creek, about 5 yards north of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam.
258
Comment
JEPS113843
Juncus effusus subsp. pacificus
Lowell Ahart
2007-7-11
14288
Butte
About 100 yards west of the high gravel road (at turn, before washout), about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) southwest of Oroville
35
Comment
CHSC78336
Juncus ensifolius
Lowell Ahart
2000-6-27
8523
Butte
North part of Big Bald Rock, area is about 100 yards south and west of the north and east forest line, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville.
963
Comment
JEPS104263
Juncus ensifolius
Lowell Ahart
2003-6-30
10336
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
UC1564788
Juncus hemiendytus var. hemiendytus
V. Oswald and L. Ahart
1989-6-27
3830
Butte
ca 3.3 air mi se Jonesville (Humbug Rd at Butte Creek); Butte Creek
1767
Comment
CHSC47554
Juncus howellii
Lowell Ahart
1981-8-15
3047
Butte
On the south side of the dirt road, about 1 mile east of Coon Hollow Road, southeast of Snag Lake, about 10 miles north of Inskip.
1524
Comment
UC1438369
Juncus leiospermus var. ahartii
Lowell Ahart
1978-5-1
1692
Butte
Peter Ahart Ranch Honcut
50
Comment
CAS-BOT-BC110139
Juncus leiospermus var. leiospermus
Clare B. Hardham
1978-4-17
21566
Butte
Lava Table Mountain.
Comment
CHSC70855
Juncus leiospermus var. leiospermus
Lowell Ahart
1998-4-29
7953
Butte
Northeast of the large parking area on North Table Mountain, on the east side of Cherokee Road, about 7 miles north of Oroville.
426
Comment
JEPS110154
Juncus leiospermus var. leiospermus
Lowell Ahart
2006-5-8
12588
Butte
Margins of a vernal pool where there is basalt shelfing, about 100 yards south of the Gray Pine 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 Or
354
Comment
UC600801
Juncus nevadensis
H. F. Copeland
1932-8-17
Butte
Jonesville
2000
Comment
SEINET11787693
Juncus nevadensis
R. A. Schlising, Jokerst, J. D.
1982-1
1653
Butte
easternmost pond on bench along S edge of Coon Hollow
1707
Comment
JEPS122163
Juncus nevadensis var. nevadensis
Lowell Ahart
2014-8-13
19709
Butte
About 110 yards southeast of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
CHSC32377
Juncus occidentalis
J. D. Jokerst; L. Ahart, M. S. Taylor
1980-4-7
562
Butte
Edges of creek. E of the jct. of Upper Rocky Honcut Cr. and Swedes Flat Rd., (E of the town of Rackerby and SE of the town of Oroville).
Comment
CHSC57158
Juncus orthophyllus
L. P. Janeway
1988-6-14
2778 B
Butte
Ewalt Camp; near meadow along West Branch Butte Creek 2.0 mi east from Hwy 32 by dirt road.
922
Comment
UC600813
Juncus parryi
H. F. Copeland
1930-7-12
Butte
above Butte Creek House; Jonesville
Comment
CDA34630
Juncus tenuis
L. Ahart
2009-6-19
15918
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.
Comment
JEPS118345
Juncus triformis
Lowell Ahart
2011-7-9
17563
Butte
Open area of almost bare rock about 1/4 mile east of Little Bald Rock, about 2 miles (air) southeast of Brush Creek, about 15 miles (air) northeast of Oroville
1009
Comment
CHSC28748
Juncus uncialis
James D. Jokerst
1978-4-12
121
Butte
Richvale Vernal Pools, 1/4 mi. S. of the intersection of Hwy 162 and Hwy 99, along and W. of the latter.
Comment
JEPS113749
Juncus usitatus
Lowell Ahart
2007-8-3
14405
Butte
On the west side of a large canal, on the west side of Aguas Frias Road (Goodspeed Watt), about 6 miles (air) northwest of Richvale
29
Comment
NY21034
Juniperus californica
A. A. Heller
1939-12-10
15486
Butte
Neal Rd, 2 mi above the jct with the Oroville road
152.4
Comment
RSA592529
Keckiella breviflora subsp. glabrisepala
S. O. Mattoon
1970-6-12
18
Butte
Ponderosa Way Forest Road at Mud Creek; 5 air miles ESE Cohasset.
671
Comment
CAS-BOT-BC235677
Keckiella breviflora var. glabrisepala
A. A. Heller; H. E. Brown
1902-5-6
5471
Butte
Berry Canyon (Near Clear Creek)
Comment
CHSC4140
Kumlienia hystricula
R. Carter
1966-4-28
379
Butte
Found in Feather R. Canyon 11 mi. NW of Butte-Plumas Co. line along N side of Hwy 70. On cliff above road just S of water fountain.
701
Comment
CAS-BOT-BC340328
Kyhosia bolanderi
A. A. Heller
1914-8-7
11653
Butte
Butte Meadows
1219
Comment
CHSC96358
Kyllinga brevifolia
T. C. Fuller
1962-12-7
9952
Butte
Sacramento Valley. 100 sq ft infestation in sun and semi-shade in lawn of Cynodon dactylon and Paspalum dilataum, 282 Chico Rd, Oroville.
Comment
CHSC63697
Lactuca canadensis
Lowell Ahart
1994-10-23
7568
Butte
Along the edge of the water ditch, about 3 miles north of De Sabla Reservoir, about 4 miles (air) west and 1/2 mile north of Stirling City.
853
Comment
SEINET10473868
Lactuca saligna
Mary Susan Taylor
1977-8-16
Taylor 1443
Butte
Butte College Campus, ca. 15 mi S of Chico. With Marc Hayes.
61
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
CHSC32543
Lactuca serriola
S. Posner
1972-9-21
Butte
100 yds. west of Nord Ave, 200 yards south of Sacramento Ave., in almond orchard. Chico.
Comment
UCD133533
Lactuca serriola
L. Ahart
1983-9-19
4457
Butte
around 1/8 mile south of the Graylodge Wildlife Refuge headquarters, around 12 mile southwest of Gridley.
35
Comment
JEPS19943
Lagophylla glandulosa
R. F. Hoover
1936-5-21
1169
Butte
7 mi n Chico
Comment
UC905683
Lagophylla glandulosa
David D. Keck
1930-7-25
974
Butte
on Forbestown road 6.5 mi e Oroville; Sierra Nevada
425
Comment
CAS-BOT-BC341322
Lagophylla glandulosa
C. B. Wolf; E. R. Johnson
1934-10-5
6159
Butte
11 mi. from Oroville on rd. to Paradise, Sacramento Valley
152
Comment
CHSC28915
Lamium amplexicaule
M. S. Taylor
1980-3-1
2329
Butte
West end on n side of Neal Rd, ca 1 mi e of Hwy 99, ca. 7 mi s of Chico.
76
Comment
RSA755349
Lamium amplexicaule
L. P. Janeway
2008-3-18
9232
Butte
Cascade Range Foothills. East edge of City of Chico, south side of Humboldt Road 1.3 km northeast of Bruce Road.
123
Comment
CHSC30691
Lasthenia californica
M. S. Taylor
1980-3-1
2352
Butte
Near Elliot Spring House, s side of Neal Rd, ca. 2 mi sw of Paradise.
301
Comment
CHSC40551
Lasthenia californica
Ahart; Jokerst
1985-3-24
4869
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
POM29967
Lasthenia californica
C. C. Bruce
1897-12
2071
Butte
[Unspecified]
Comment
CHSC38372
Lasthenia fremontii
Vernon Oswald
1983-4-6
280
Butte
Upper Bidwell Park, Chico, in the Omicron Enclosure ca. 750 ft e of the junction of Wildwood Ave. and Upper Park Rd.
85
Comment
JEPS119708
Lasthenia fremontii
Lowell Ahart
2012-5-2
17963
Butte
About 30 yards west of the Easter Cross Parking Lot, Upper Bidwell Park, about 1 mile east of Chico.
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
CDA8113
Lasthenia fremontii
T. C. Fuller
1958-4-15
Butte
Highway 99E, 10 miles northwest of Chico.
0
Comment
CHSC8120
Lasthenia platycarpha
M. Banning
1969-3-28
26
Butte
12 mi. N. Chico on Hwy 99.
76
Comment
JEPS122007
Lathyrus angulatus
Lowell Ahart
2014-5-13
19461
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
CHSC855
Lathyrus jepsonii var. californicus
T. Morgue
1932-4-22
Butte
Durham-Chico road.
57
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
CHSC42561
Lathyrus sulphureus
Lowell Ahart
1987-5-22
5659
Butte
South of the lava cap, 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
UCR88860
Lathyrus sulphureus
Lowell Ahart
1987-5-11
5621
Butte
S of Forbestown Ditch, c. 2.5 mi NE of Forbestown
869
Comment
SEINET10973185
Lathyrus sulphureus
Mary Susan Taylor
1980-4-19
Taylor 2536
Butte
S side of Humbug, NE of Centerville. With J.D. Jokerst.
366
Comment
CHSC2924
Layia fremontii
W . Fitzwater
1958-3-15
Butte
Shasta Hwy., Chico area.
Comment
SJSU966
Layia fremontii
M. Reed
1948-5-1
Butte
10 mi W of Oroville
Comment
POM284970
Layia fremontii
Lyman Benson
1935-3-27
6369
Butte
5 miles NW of Oroville, Sierra Nevada Mt Range, Sacramento river watershed.
152
Comment
CHSC377
Layia platyglossa
V. Holt
1938-3-28
Butte
Near Chico.
Comment
CHSC66460
Leersia oryzoides
Vernon H. Oswald; Lowell Ahart
1996-6-10
7760
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Near the center of the W side of Tract 7.1, Sanctuary 1.
33
Comment
SD505
Lemna trisulca
E. B. Copeland
1930-7-18
404
Butte
Jonesville, local in water in sunny swamp.
1550
Comment
CHSC82421
Leontodon saxatilis subsp. longirostris
Lowell Ahart
2002-5-7
9610
Butte
High banks of a pond, at the beginning of a southeast branch of Schirmer Ravine, about 50 yards east of the pond on the east side of Cherokee Road, North Table Mountain, about 4 miles (air) north of Oroville.
228
Comment
JEPS119756
Leontodon saxatilis subsp. longirostris
Lowell Ahart
2012-5-14
18054
Butte
North edge of the path to Table 12, south of Big Chico Creek, north of the paved road, Lower Bidwell Park, Chico.
Comment
UCD73331
Leontodon saxatilis subsp. longirostris
Chuck Hughes
2008-3-18
22
Butte
Oroville, west of 6th St. between Nelson Ave. school and baseball fields. Field has been approved for development.
71
Comment
CHSC103735
Leontodon taraxacoides subsp. longirostris
Lowell Ahart
2010-5-16
16700
Butte
East of basalt cliffs, about 1/2 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
364
Comment
UCLA64433
Lepechinia calycina
A. A. Heller
1915-5-28
11906
Butte
Near the upper limit of the digger pine in the Sierra foothills.
Comment
UCSC010731
Lepechinia calycina
Brett Hall, Annee Hall
1991-1
BH 115 .91
Butte
Between Chico and Forest Ranch
Comment
JEPS120954
Lepidium didymum
Lowell Ahart
2013-4-20
18557
Butte
Corral at the barn, about 1/4 mile N of Honcut Cemetery, about 3.25 air miles NE of Honcut.
Comment
CHSC34169
Lepidium latifolium
L. Ahart
1981-9-10
3143
Butte
Near the entrance to the Graylodge Waterfowl Mgmt HQ w of Pennington Rd, ca. 12 mi sw of Gridley.
35
Comment
CHSC38051
Lepidium nitidum
R. E. Preston
1983-2-16
381
Butte
In field on NW corner of The Skyway and Notre Dame Blvd, Chico.
68
Comment
CHSC4516
Lepidium nitidum
C. Glascock
1965-3-2
271
Butte
At side of Chico Canyon Rd. ca. 1/2 mi. from its intersection with E 8th St., Chico.
Comment
UCSB64000
Lepidium nitidum
Fillinger, Jennifer
1991-4-2
Butte
North Table Mountain; 6 mi. N of Oroville; W of Table Mountain-Cherokee Rd.; 40 yds. W of N Table Mt. gate
243
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
CAS-BOT-BC12801
Lepidium perfoliatum
Lowell Ahart
1984-6-8
4680
Butte
3 miles NE of the Ponderosa Dam. The road forks here and one goes to Feather Falls and the other to Lumpkin Ridge Road.
500
Comment
CAS-BOT-BC12846
Lepidium pinnatifidum
Lowell Ahart
1981-7-26
3013
Butte
Gray Lodge, southwest of Gridley.
35
Comment
CHSC35026
Lepidium strictum
R. E. Preston
1982-3-27
210
Butte
Center of dirt road; s border of State Shooting Area, ca. 2 mi s of Oroville Municipal Airport.
45
Comment
CHSC90625
Lepidium strictum
Sally A. Carter
1988-4-12
1
Butte
South side of Little Butte Creek, about 8.8 mi east-southeast of Chico, 200 ft west of Honey Run Road.
160
Comment
CAS-BOT-BC273947
Leptochloa fusca subsp. fascicularis
Lowell Ahart
1986-11-9
5456
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
UCD63845
Leptochloa fusca subsp. fascicularis
H. L. Mason
1945-9-19
12730
Butte
Gray Lodge Game Refuge, northwest of Pennington.
Comment
UCD63945
Leptochloa fusca subsp. fascicularis
A. A. Heller
1919-8-13
13354
Butte
Between Nelson and Richvale.
Comment
CHSC10761
Leptosiphon acicularis
Lowell Ahart
1962-4-9
Butte
Ahart Ranch, Honcut.
45
Comment Read comments Jul 19 2018
CHSC41470
Leptosiphon acicularis
Lowell Ahart
1986-4-4
5243
Butte
About 2 1/2 miles north and 2 1/2 miles east of Honcut, about 12 miles south of Oroville.
82
Comment
CHSC101312
Leptosiphon bicolor
Lowell Ahart
2009-4-22
15585
Butte
Along the Guardians Trail, just south side of 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
HSC23389
Leptosiphon bicolor
J. D. Sagray
1970-4-20
10
Butte
4 mi. N of Chico on S side of upper Bidwell Park Rd., 100 yds. from end of rd.
175
Comment
CHSC45751
Leptosiphon filipes
L. P. Janeway
1988-5-9
2662
Butte
Ridge between hwy 32 and the piece of old rd that connects to Crown Point Rd, 2 mi N of Ten Mile House.
594
Comment
CHSC33248
Leptosiphon harknessii
R. A. Schlising; R. Banchero
1980-7-14
3901
Butte
N end of Snag Lake in N part of county. Meadows.
1731
Comment
RSA181940
Lessingia nana
Willard Spence
1962-7-24
729
Butte
Route 99E, corner of Broyles Road, north of Chico
Comment
CHSC102843
Lessingia nemaclada
Lowell Ahart
2009-6-30
15965
Butte
About 150 yards north of a small drainage, along the Guardian Rock Trail, about 150 yards southwest of Pine Trail, about 1/2 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
UC179649
Lessingia virgata
A. A. Heller
1914-9-4
11762
Butte
hills 8 mi n Oroville
Comment
POM253222
Lewisia rediviva
A. A. Heller
1938-4-14
15029
Butte
Treeless summit of Table Mtn.
Comment
SEINET10454481
Ligusticum
Mary Susan Taylor
1976-4-27
Taylor 1090
Butte
Abundant on N side of Villas Rd, ca. 0.5 mi E of junction of Villas Rd and Cohas set Hwy, Cohasset. Yellow Pine Forest with Calochortus monophyllus.
762
Comment
CHSC42590
Ligusticum grayi
Vernon Oswald
1985-7-2
1879
Butte
Scotts John Rd. 0.6 mi n of the road connecting Humboldt and Humbug Rds.
1780
Comment
RSA0116108
Ligusticum grayi
Lowell A. Ahart
2014-7-13
19646
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
CHSC110991
Ligustrum sinense
Lowell Ahart
2012-6-21
18208
Butte
On the south bank of Big Chico Creek, about 200 yards east of the dam at Sycamore Pool, Lower Bidwell Park, Chico.
62
Comment
RSA31975
Lilium humboldtii subsp. humboldtii
A. A. Heller
1923-6-10
s.n.
Butte
River northwest of Chico
Comment
CHSC46238
Lilium washingtonianum
Pauleen Broyles
1987-8-5
1074
Butte
Ca 6 km n of Inskip, ca. 0.3 km n of jct. Of Skyway and Bull Hill Rd.
1530
Comment
CAS-BOT-BC133049
Lilium washingtonianum subsp. washingtonianum
Albert M. Vollmer; Ira L. Wiggins
1940-7-6
10
Butte
About 1/2 mile west of Chaparral
1554
Comment
CHSC24949
Limnanthes alba
V. L. Keeran
1976-4-21
9
Butte
Ca. 115 m e of Cohasset Road and 1.15 km sw of Cohasset.
400
Comment
CHSC37688
Limnanthes alba
M. S. Taylor
1981-5-7
3643
Butte
Along spur rd, ca. 1/5 mi se of its jct with 20N24.6 (Fields Ridge Rd), ca. 3 air mi s of Feather Falls.
975
Comment
UC1303182
Limnanthes alba
A. A. Heller
1926-4-12
13917
Butte
8 mi n Chico
Comment
UCD116449
Limnanthes alba
Jeff Dole
1986-4-27
s.n.
Butte
2.1 miles east of Bean Creek Road, along Highway 44.
Comment
CHSC1006
Limnanthes alba subsp. alba
A. Goekler
1929-4-23
Butte
Hooker Oak road.
60
Comment
SEINET12183092
Limnanthes douglasii
G. C. Halcomb
1978-1
3
Butte
ca 1 mi E of Chico at intersection of Bruce Rd. and Skyway Rd. 100 yds WNW of Bruce Rd
70
Comment
RSA435676
Limnanthes douglasii subsp. rosea
M. Vincent
1962-4-17
203
Butte
Cherokee Road near Table Mountain.
Comment
CHSC28973
Limnanthes floccosa subsp. californica
Don Kroessing
1979-4-15
1
Butte
In vernal pool in pasture on N side of Humboldt Rd, 0.2 mi E of its intersection with El Monte Ave, E of town of Chico.
76
Comment
CHSC55506
Limnanthes floccosa subsp. californica
L. P. Janeway; Pat Kelly
1991-3-31
3867
Butte
Between Hwy 32 and Dead Horse Slough, and from 600 to 1200 ft west of Bruce Road.
74
Comment
UC1748332
Limnanthes floccosa subsp. californica
James D. Jokerst
1991-4-18
3241
Butte
N of Hwy. 32 across from church
76
Comment
CHSC32591
Limnanthes floccosa subsp. floccosa
J. D. Jokerst
1981-3-21
1257
Butte
Initial slopes delineating the beginning of the foothills, ca. 0.5 mi N of Horseshoe Lake.
Comment
UCD116434
Limnanthes floccosa subsp. floccosa
Jeff Dole
1986-4-27
s.n.
Butte
1 mile north of Cayton Creek.
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
CHSC32586
Limosella acaulis
L. Ahart
1980-5-11
2242
Butte
On the w side of Pentz-Magalia Hwy, ca. 1/2 mi sw of Kunkle Reservoir, ca. 3 mi s of Paradise.
500
Comment
UCD169097
Limosella aquatica
Ramona Robison
2013-4-16
14
Butte
Clay Pit State Vehicular Recreation Area, located in pools within Clay Pit SVRA.
41
Comment
UC1181372
Linanthus ciliatus
Lewis S. Rose
1945-5-12
45029
Butte
Richardson Springs
304
Comment
RSA0096837
Linanthus filipes
H. F. Copeland
1929-5-4
1124
Butte
Canyon of Chico Creek.
Comment
SEINET12332636
Linanthus filipes
S. S. Khan
1988-1
43
Butte
North Table Mountains, ca 100 yds W of Table Mountain-Cherokee Rd, ca 6 mi N of Oroville
244
Comment
JEPS117409
Linanthus parviflorus
Lowell Ahart
2010-5-7
16628
Butte
On both sides of Guardian Trail, about 1/2 miles west of Highway 32, Upper Bidwell Park, about 4 1/2 miles (air) northeast of Chico
238
Comment
CHSC48993
Linaria dalmatica subsp. dalmatica
Vernon Oswald
1986-5-12
2032
Butte
Skyway 1.3 mi wsw of Neal Rd. in Paradise.
405
Comment
CDA20241
Lindernia dubia
G. D. Barbe
1984-8-25
4189
Butte
Sacramento Valley; Biggs Rice Experiment Station, N of Biggs.
0
Comment
HSC93349
Lindernia dubia
L. Ahart
1995-7-15
7595
Butte
Small wash, Peter Ahart Ranch, 1.5 mi. N and 0.75 mi. E of Honcut, 12 mi. S of Oroville
37
Comment
CDA14464
Lindernia dubia var. anagallidea
G. D. Barbe, June McCaskill
1990-9-5
4393
Butte
Rice Experiment Station, West Hamilton Road at Riceton Highway, north of Biggs.
0
Comment
CHSC42966
Lindernia dubia var. anagallidea
Lowell Ahart
1987-7-3
5780
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
UC1101442
Lindernia dubia var. dubia
Malcolm A. Nobs and S. Galen Smith
1949-7-29
1082
Butte
ca 5 mi w Richland
Comment
CHSC11793
Linum lewisii var. lewisii
E. B. Copeland
1929-7-17
379
Butte
Above Jonesville.
2000
Comment
CHSC44285
Linum lewisii var. lewisii
Vernon Oswald
1988-6-14
3383
Butte
Rim Rd. or Ponderosa Way (23N06) 0.8 mi se of Concow Rd., ne of Lake Concow. Scattered on a brushy serpentine outcrop.
975
Comment
SEINET12186145
Linum micranthum
Unknown
1985-1
5085
Butte
about 2.5 mi NE of Forbestown, roadside to the Forbestown Reservoir
869
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
CHSC38910
Lipocarpha aristulata
Vernon Oswald
1983-7-8
841
Butte
Upper Bidwell Park, Chico, in the bed of Lindo Channel n of the flood-control gates.
79
Comment
CHSC97417
Lipocarpha micrantha
Robert Fischer
2006-6-18
1021
Butte
Chico. Within upper Bidwell Park in the City of Chico.
60
Comment
JEPS120828
Lipocarpha micrantha
Lowell Ahart
2013-7-9
18831
Butte
South side of North Honcut Creek, west of the steel power line, about 2 air miles northeast of Honcut, about 13 air miles southeast of Oroville.
Comment
SACT002882
Lithocarpus densiflorus
Herbert Copeland
1937-7-30
Butte
In the foothills of Butte County.
Comment
UCSC000178
Lithocarpus densiflorus
F. W. Foxworthy
1936-8-19
s.n.
Butte
forty miles east of Chico
1097
Comment
SEINET10482996
Lithophragma
Mary Susan Taylor
1981-4-5
Taylor 3496
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
CHSC1649
Lithophragma affine
E. Canfield
1904-4-9
Butte
Wood adjoining Hooker Oak field.
76
Comment
SEINET12219412
Lithophragma affine
Unknown
4
s.n.
Butte
no further locality
Comment
POM219578
Lithophragma bolanderi
H. F. Copeland
1923-3-16
47
Butte
[Unspecified]
Comment
CAS-BOT-BC432272
Lithophragma campanulatum
Vernon Oswald; Lowell Ahart
1990-4-9
4156
Butte
Feather Falls Trail between Frey Creek and Wagners Valley
475
Comment
CAS-BOT-BC435492
Lithophragma glabrum
Lowell Ahart
1987-5-12
5646
Butte
S of Lumpkin Ridge Road, 1 1/2 miles E of Camp 18, about 8 miles NE of Feather Falls
1280
Comment
CHSC28033
Lithophragma parviflorum
J. D. Jokerst
1979-3-18
171
Butte
200 yds off Hwy 32, 3 mi e of Chico.
Comment
CHSC1654
Lithophragma parviflorum var. trifoliatum
V. Holt
1935-3-27
Butte
Salmon Hole on Chico Creek.
152
Comment
CHSC30727
Logfia filaginoides
M. S. Taylor
1980-5-27
2661
Butte
On Big Bald Rock, ca. 3 mi e of Lake Madrone.
997
Comment
CHSC102424
Logfia gallica
Lowell Ahart
2009-5-30
15809
Butte
On dry rocky soil, on the west side of Guardian's Trail, about 100 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 3/8 mile (air) west of the intersection of Highway 32 and Ten Mile House Road.
440
Comment
CHSC108787
Logfia gallica
L. P. Janeway
2011-4-26
10239
Butte
Sacramento Valley. Oroville; in gravel parking area at east side of Feather River Ranger District office (875 Mitchell Ave.).
59
Comment
CHSC31593
Logfia gallica
L. Ahart
1974-4-24
435
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC41557
Lolium multiflorum
R. L. Ondricek-Fallscheer
1982-5-26
137
Butte
In yard of house on plateau at sw end of Flatiron Ridge, ca. 3 1/2 mi wsw of Paradise.
192
Comment
CHSC90644
Lolium multiflorum
Lowell Ahart
2005-4-2
11698
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
SEINET10960424
Lolium multiflorum
Laurel L. Huey
1980-4-25
Huey 19
Butte
T22N, R1E, Sec 10, (Richardson Springs SW Quad 15'). Immediately S of Chico Muni Airport, W of Cohasset Highway.
60
Comment
POM132576
Lomatium dasycarpum subsp. tomentosum
A. A. Heller, H. E. Brown
1902-5-14
5552
Butte
Berry Canyon (near Clear Creek)
Comment
CHSC1966
Lomatium macrocarpum
A. Goekler
1929-4-21
Butte
Bidwell Park.
60
Comment
CHSC38738
Lomatium macrocarpum
Vernon Oswald
1983-3-7
132
Butte
Upper Bidwell Park, Chico, beside the South Rim Trail at the barbed-wire fence (ca. 0.2 mi w of the power lines).
121
Comment
CHSC42477
Lomatium macrocarpum
Lowell Ahart
1987-5-11
5616
Butte
South of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown.
868
Comment
CHSC42613
Lomatium macrocarpum
Vernon Oswald
1985-4-16
1720
Butte
Upper Bidwell Park, Chico, on the slope bordering the s side of the Golf Course.
Comment
CHSC93489
Lomatium marginatum var. marginatum
Lowell Ahart
2006-5-8
12606
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
JEPS110244
Lomatium marginatum var. marginatum
Lowell Ahart
2006-5-8
12606
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
CHSC113655
Lonicera hispidula
L. P. Janeway
2014-5-29
11276
Butte
Northern High Sierra Nevdda. 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
CHSC44384
Lonicera hispidula
Lowell Ahart
1988-6-23
6067
Butte
Just east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road.
670
Comment
SEINET10972049
Lonicera hispidula var. vacillans
Mary Susan Taylor
1979-10-5
Taylor 2238
Butte
T23N R4E sec 18. SE side of Paradise Lake (from picnic area to first creek coming into lake, along road), ca. 0.5 mi N of Coutolenc Rd, ca. 5 mi N of Magalia.
732
Comment
CHSC25257
Lonicera interrupta
M. S. Taylor
1977-6-26
1373
Butte
On S side of Ponderosa Way, ca. 1 mi E of Cohasset.
609
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
CDA13829
Lotus corniculatus
G. F. Hrusa, T. D. Wilfred
1996-9-5
13557
Butte
Butte Basin; Bank of Butte Creek immed. below Western Canal District Dam.
Comment
UC864838
Lotus grandiflorus var. grandiflorus
A. A. Heller
1938-5-28
15125
Butte
25 mi from Oroville (on the Feather River Highway)
Comment
SEINET10841146
Lotus grandiflorus var. macranthus
Mary Susan Taylor
1981-5-5
Taylor 3617
Butte
T20N R6E ne/ne sec 11 Forbestown quad. Ca. 50 ft N of spur rd from 21N35Y, ca. 0.5 mi E of Feather Falls trailhead, ca. 1 air mi E of Feather Falls community. Yellow Pine Forest; 2700 ft.
823
Comment
SEINET3694615
Lotus macranthus
A. A. Heller
1938-5-28
15125
Butte
On Feather River Hwy west of Pulga
Comment
SEINET10451995
Lotus nevadensis
Lowell Ahart
1983-5-28
Ahart 4016
Butte
Along trail to Feather Falls, ca. 5 mi n of the town of Feather Falls. Yellow Pine Forest; 600 m.
600
Comment
SEINET3729652
Lotus scoparius
A. A. Heller
1923-6-9
13741
Butte
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
POM253436
Lotus unifoliolatus
A. H. Heller
1938-7-20
15289
Butte
7 miles east of Chaparral.
1524
Comment
JEPS107759
Lotus wrangelianus
Lowell Ahart
2005-5-11
11798
Butte
On the bottom of a small vernal pool, south part of North Table Mountain, about 300 yards northwest of the poor dirt road off of Cherokee Road, about 200 yards south of the rim into Beatson Hollow, about 7 miles (air) north of Oroville
354
Comment
UCD66039
Ludwigia hexapetala
B. J. Grewell; Robert McKee
2006-8-1
06- 31 -LU
Butte
Oroville Wildlfe Area, Dept of Fish and Game access from Pacific Heights Rd, w. of Hwy 70, e. of Feather River.
28
Comment
JEPS119895
Ludwigia palustris
Lowell Ahart
2012-6-5
18168
Butte
North of Beatson Hollow, about 1 3/4 miles northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 6 miles (air) north of Oroville.
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
UCD66035
Ludwigia peploides subsp. peploides
B. J. Grewell; R. McKee
2006-8-17
06- 43 -LU
Butte
Gray Lodge Wildlife Area north of Sutter Buttes.
22
Comment
CDA5220
Ludwigia uruguayensis
L. Ahart
2000-7-18
8601
Butte
About 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville.
Comment
CHSC97355
Lupinus albicaulis
Paul Maslin
2005-4-27
52
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). UTM: 10610536E 4412518N.
292
Comment
RSA0036364
Lupinus albicaulis
Daisie Huang
2006-8-3
06080306
Butte
Butte.
1327
Comment
SBBG29098
Lupinus albicaulis
E. B. Copeland
1929-7-17
Butte
above Jonesville
609
Comment
UCD105852
Lupinus albicaulis
E. B. Copeland
1929-7-17
378
Butte
above Jonesville.
2000
Comment
UC725344
Lupinus albicaulis
A. A. Heller
1941-5-22
16138
Butte
on State Highway #24 about a half mi w Jarboe Pass; w of Jarboe Pass
Comment
CAS-BOT-BC201350
Lupinus albifrons var. albifrons
L. S. Rose
1931-4-11
s.n.
Butte
In outskirts of Oroville
Comment
CAS-BOT-BC196244
Lupinus albifrons var. eminens
Lowell Ahart
1967-4-12
s.n.
Butte
Bidwell Bar
609
Comment
CAS-BOT-BC196255
Lupinus albifrons var. eminens
A. A. Heller
1938-4-23
15050
Butte
Along Highway #24, near the junction with the Yankee Hill road
Comment
UC1129534
Lupinus arbustus
P. L. Johannsen
1936-7-21
953
Butte
1/2 mi e Chaparral House; Lassen National Forest, Paynes Creek Quadrangle
Comment
SEINET5767544
Lupinus arbustus subsp. silvicola
E. B. Copeland
1930-1
s.n.
Butte
Jonesville
1600
Comment
SD2382
Lupinus aridus
E. B. Copeland
1929-7-17
377
Butte
Above Jonesville, on very porous soil in full sun
2000
Comment
CDA15390
Lupinus bicolor
G. F. Hrusa
1997-4-3
13691
Butte
Sierra Nevada; Near Paradise Lake dam along Old Railroad Grade Rd., approx. 3 m. N of Magalia.
Comment
UCD107195
Lupinus bicolor
A. A. Heller
1914-3-26
11227
Butte
Canon hf Big Chico creek 6 miles east of Chico.
Comment
UCR237327
Lupinus bicolor
George K. Helmkamp, E. A. Helmkamp
2012-4-14
18737
Butte
Northern Sacramento Valley, Middle Honcut Road, 1.5 miles east of CA-70, ESE of Gridley
18
Comment
UCD107191
Lupinus bicolor
A. A. Heller
1914-2-2
11166
Butte
Canon hf Big Chico creek 6 miles east of Chico.
Comment
SEINET10484912
Lupinus bicolor subsp. microphyllus
Rumore
1982-4-17
RUMORE 7
Butte
Large population, ca 0.5 mi s of hwy 32 at intersection of forest ave. And 20 th street, se chico. Grassy foothill. Soil a rocky sand.
61
Comment
CHSC48528
Lupinus bicolor var. tridentatus
Vernon Oswald
1984-3-7
1090
Butte
Upper Bidwell Park, Chico, beside Yahi Trail at Salmon Hole.
158
Comment
HSC23347
Lupinus densiflorus var. aureus
Carolyn Fante
1971-4-13
4
Butte
N side Pentz-Magalia Hwy.
165
Comment
CHSC37674
Lupinus latifolius
M. S. Taylor
1982-8-16
5002
Butte
At loop in road above Discovery Creek, ca. 1 mi n of Bald Mt, ca. 4 mi ne of Stirling City.
1584
Comment
CHSC36836
Lupinus latifolius var. columbianus
M. S. Taylor
1982-6-24
4738
Butte
E side of Lea Mt. ridge, ca. 1 mi se of Flea Mt, 1.7 mi se of Ponderosa Way, ca. 8.9 mi n of Jarbo Gap.
1097
Comment
CHSC78077
Lupinus microcarpus var. densiflorus
Caleb E. Casey
1999-5-13
Butte
Bear Hole, Upper Bidwell Park. Found on South side of Chico creek.
121
Comment
CHSC33129
Lupinus microcarpus var. microcarpus
J. D. Jokerst
1981-4-29
1301
Butte
Adjacent to entrance road to Butte College Campus from Pentz Road.
76
Comment
CHSC76941
Lupinus nanus
Ida Ryan
1893-4-1
Butte
Rancho Chico.
Comment
CHSC38509
Lupinus nanus var. latifolius
Vernon H. Oswald
1983-3-9
141
Butte
Upper Bidwell Park, Chico, on the north slope near the head of the intermittent stream which crosses Upper Park Rd. 0.5 mi e of the power lines.
213
Comment
CHSC101697
Lupinus nanus var. vallicola
Lowell Ahart
2009-4-26
15618
Butte
In a small open 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 northeast of Chico.
286
Comment
JEPS108851
Lupinus nanus var. vallicola
Lowell Ahart
2006-5-8
12594
Butte
About 300 yards south of the three Gray Pines on the rim of Coal Canyon, about 2 miles northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville
337
Comment
JEPS120590
Lupinus nanus var. vallicola
Lowell Ahart
2013-11-18
19283
Butte
Below the high-water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2.5 air miles northeast of Hurleton.
Comment
POM253157
Lupinus pachylobus
A. A. Heller
1938-4-7
15038
Butte
Salmon Hole, east of Chico.
Comment
CAS-BOT-BC8229
Lupinus pennellianus
Amos Arthur Heller
1940-6-5
15705
Butte
Along the Feather River Higway between Arch Rock Tunnel and Pulga
Comment
SEINET10970021
Lupinus polycarpus
Karen D. Johnson
1978-4-16
Johnson 2 A
Butte
East side of Cohasset Rd. at Lassen Ave., 3 mi. N of Chico.
61
Comment
CHSC63813
Lupinus polyphyllus var. burkei
S. C. Morey
1983-7-23
590
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
1414
Comment
POM219418
Lupinus sellulus var. artulus
E. B. Copeland
1931-7-3
651
Butte
Jonesville, Colby Canyon.
1600
Comment
CHSC2373
Lupinus stiversii
R. Carter
1965-6-1
219
Butte
Found ca. 30 mi. E of Oroville on Bald Rock Rd., .2 mi. E of intersection with Zinc Rd., on S side of road.
883
Comment
CHSC98999
Luzula macrantha
Lowell Ahart
2008-5-30
14793
Butte
Dry bare granite soil, northwest part of the top of Big Bald Rock, about 14 miles (air) northeast of Oroville.
976
Comment
RSA718305
Luzula parviflora
L. P. Janeway
2006-8-6
8830
Butte
Near road along west side of lower Pinkard Creek, 1.2 road miles north of Lost Creek Reservoir dam.
1021
Comment
JEPS119866
Luzula subsessilis
Lowell Ahart
2012-5-12
18028
Butte
About 400 yards southwest of Ten Mile House Road, about 1/2 mile (air) west of Highway 32, south part of Upper Bidwell Park, about 9 miles (air) northeast of Chico.
Comment
JEPS120131
Luzula subsessilis
Lowell Ahart
2012-5-12
18031
Butte
On the sides of South Rim Trail, about 1/2 mile southwest of the old homestead, about 5/8 mile west of Highway 32, south part of Upper Bidwell Park, about 8 1/2 miles (air) northeast of Chico.
Comment
CDA18383
Lychnis coronaria
G. D. Barbe
1978-7-14
2403
Butte
Sierra Nevada; W of Main St. in Stirling City.
Comment
CHSC48485
Lycopus americanus
Vernon Oswald
1983-10-10
1064
Butte
Growing on the e bank of Pine Creek just s of the Calif. Hwy. 32 bridge.
Comment
CHSC752
Lycopus americanus
V. Holt; M. Underhill
1952-7-9
Butte
Dodge Lands.
56
Comment
JEPS110477
Lycopus americanus
Lowell Ahart
2006-9-13
13320
Butte
South edge of the North Fork of the Feather River, about 50 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville
437
Comment
JEPS119908
Lycopus americanus
Lowell Ahart
2012-10-20
18511
Butte
On the north side of Big Chico Creek, south of Table 34, west of Cedar Grove, Lower Bidwell Park, Chico.
Comment
JEPS88581
Lycopus americanus
Vernon H. Oswald and Lowell Ahart
1996-7-22
8079
Butte
edge of farm rd. crossing branch of Angel Slough w. Refuge H.Q.'s (s.e. corner of Tract 1-Sanctuary 1, U.S. Fish & Wildlife Service parcel betw 7 Mile Lane & Sacramento R.); Sacramento R. Nat'l Wildlife Refuge, Llano Seco Unit
32
Comment
CHSC102421
Lythrum hyssopifolia
Lowell Ahart
2009-7-9
16011
Butte
On damp soil, on the east side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of highway 32, about 10 miles northeast of Chico.
236
Comment
CHSC80018
Lythrum hyssopifolia
L. P. Janeway; B. Castro
1999-6-4
6453
Butte
Sacramento Valley. East side of the Sacramento River 1.6 km southeast of the Ord Ferry Road Bridge.
30
Comment
JEPS120718
Lythrum portula
Lowell Ahart
2013-10-16
19112
Butte
Thermalito Afterbay, about 20 feet north of the base of the large rock levee, about 100 yards north of Larkin Road, about 4 air miles north of East Biggs.
Comment
CDA18068
Lythrum salicaria
B. Villegas
1999-7-1
s.n.
Butte
W side of Hwy 70 at Oroville.
0
Comment
HSC95490
Lythrum salicaria
L. Ahart
1997-6-29
7742
Butte
S side of Wyman Ravine, on W side of Lone Tree Rd., ca. 6 mi. S of Oroville.
37
Comment
CHSC42367
Lythrum tribracteatum
Lowell Ahart
1987-5-10
5608
Butte
In idle rice field, 1/8 mile south of Central House Road, east of the Western Pacific Railroad, about 1 1/2 miles north and 1 mile west of Honcut, about 12 miles south of Oroville.
30
Comment
CHSC31886
Maclura pomifera
L. Ahart
1976-5-21
1114
Butte
Along edge of North Honcut Creek. Peter Ahart Ranch, Honcut.
45
Comment
CHSC44272
Madia citrigracilis
Vernon Oswald; Bruce Baldwin
1988-6-16
3388
Butte
Camp Creek Rd. ca. 0.5 mi ene of Pulga.
512
Comment
CAS-BOT-BC342724
Madia elegans
Chester Dudley
1940-6-1
s.n.
Butte
Near Magalia
Comment
UCD134217
Madia elegans
G. K. Helmkamp; E. A. Helmkamp
2007-10-7
13078
Butte
Northern Sacramento Valley: Biggs East Hwy, 1.6 miles east of CA-99 at Biggs.
35
Comment
UCD80090
Madia elegans
CNPS SN Foothill Team
2005-5-5
SNFN 0158 e
Butte
City of Chico, Upper Bidwell Park, off of Upper Bidwell Park Road, approximately 3/4 mile from the north end of the road.
233
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
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
CAS-BOT-BC344310
Madia exigua
A. A. Heller
1928-5-27
14561
Butte
Along the Neal road, Paradise
Comment
SEINET10475532
Madia exigua
Lowell Ahart, Peter Ahart
1983-6-12
Ahart 4050
Butte
T20N R5E n half sec 36. Ca. 1 mi s of Crystal Hill, n of Oregon Gulch, near Lake Oroville, ca. 7 mi sw of Feather Falls. Yellow Pine Forest.
Comment
RSA302630
Madia gracilis subsp. gracilis
J. R. Shevock
1972-5-19
1772
Butte
10 miles north of Lake Oroville, Highway 70
457
Comment
CHSC32363
Madia subspicata
J. D. Jokerst; M. S. Taylor, R. A. Schlising, D. Ikeda
1980-5-18
722
Butte
Top of Cohasset Ridge along the S edge above Mud Cr.
Comment
JEPS98930
Madia subspicata
Bruce G. Baldwin, Gerald D. Carr, Lowell Ahart
1988-6-9
713
Butte
1 mi N, 3 mi E of Honcut (Peter Ahart Ranch, above North Honcut Creek)
Comment
RSA715563
Madia subspicata
L. Ahart
2005-5-7
11788
Butte
On the east side of North Honcut Creek, Peter Ahart Ranch, about 1.25 miles north and 2.75 miles east of Honcut, about 12 miles (air) southeast of Oroville
48
Comment
CAS-BOT-BC345233
Madia subspicata
Lowell Ahart
1978-6-2
s.n.
Butte
Sutter Buttes Area. Peter Ahart Ranch, Honcut
50
Comment
CHSC27984
Maianthemum racemosum
M. S. Taylor
1978-7-18
1700
Butte
On top of Humboldt Peak, at Humboldt Summit.
2158
Comment
JEPS119992
Malva nicaeensis
Lowell Ahart, Linnea Hanson, Kaline Le Coq, Josephine Guardino
2012-4-27
17909
Butte
Near the intersection of Valllombrosa Avenue and Manzanita Avenue, Lower Bidwell Park, Chico.
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
SEINET10448088
Marah fabacea
Mary Susan Taylor
1973-1
Taylor 51
Butte
Upper Bidwell Park, Chico. Associates: Stipa pulchra, Lasthenia chrysostoma, Layia fremontii.
61
Comment
CHSC3467
Marah fabacea var. agrestis
Roger Jaegel
1966-3-2
17
Butte
4 miles northeast of Chico. Along the bank of Big Chico Crk. Upper Bidwell Park.
Comment
CHSC52337
Marah fabacea var. agrestis
Pauleen Broyles
1987-4-24
1000
Butte
The Nature Conservancy Vina Plains Preserve.
Comment
CHSC42547
Marah watsonii
Lowell Ahart
1987-5-12
5648
Butte
South of Lumpkin Ridge Road, 1 1/2 miles north-east of Camp 18, about 8 miles north-east of Feather Falls.
1280
Comment
CHSC87429
Marah watsonii
R. D. Fischer
2004-3-20
90
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Collected near Hwy 32 and beginning of Pine Trail.
454
Comment
CHSC101809
Marrubium vulgare
Lowell Ahart
2009-6-12
15845
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
CAS-BOT-BC67810
Marsilea vestita
Lowell Ahart
1987-8-8
5856
Butte
About 12 miles south-east of Oroville - along North Honcut Creek, about 2 miles north and 3 miles east of Honcut.
67
Comment
SD8258
Meconella californica
Mrs. R. M. Austin
1880-1
Butte
Comment
SEINET10476232
Meconella californica
Mary Susan Taylor
1980-4-6
Taylor 2459
Butte
Swedes Flat Road, ca. 1 mi E of its jct with Bangor-Oroville Hwy, ca. 10 mi SE of Oroville. With L. Ahart & J.D. Jokerst.
335
Comment
CHSC108775
Medicago praecox
L. P. Janeway
2011-4-26
10240
Butte
Sacramento Valley. Oroville; in gravel parking area at east side of Feather River Ranger District office (875 Mitchell Ave.).
59
Comment
CDA13300
Melica aristata
G. F. Hrusa, T. D. Wilfred
1996-7-9
13148
Butte
Plumas National Forest; Scattered individuals in old roadbed. Coniferous understory above Jordan Creek S of Hwy 162 near Roger's Cow Camp on 23N15. Perennial.
Comment
CHSC46883
Melica aristata
Vernon Oswald
1989-6-15
3807
Butte
Logging road 2.2 mi s of Lomo (2.3 mi s of ford over Cedar Creek).
1219
Comment
CHSC94483
Melica aristata
Lowell Ahart
2006-7-16
12966
Butte
East of the open mudflow area, about 50 yards south of Humboldt Road, about 1 1/2 miles (air) southwest of Butte Meadows.
1435
Comment
UCD86345
Melica bulbosa
Copeland
1931-6-22
606
Butte
Jonesville.
609
Comment
CAS-BOT-BC269381
Melica californica
A. A. Heller
1915-4-20
11860
Butte
7 miles below Centerville in the Sierra foothills
76
Comment
CHSC82664
Melica californica
Tara Morgan
2002-4-23
37
Butte
Found along the south rim trail located on the east side of Big Chico Creek. Located down from the green gate trail of Highway 32.
414
Comment
UCD87264
Melica fugax
E. B. Copeland
1944-7-6
s.n.
Butte
Butte Meadows.
Comment
CHSC50390
Melica geyeri
Vernon Oswald
1990-6-1
4272
Butte
Butte Creek Trail, ca. 1.75 miles north-northwest of Lake De Sabla.
579
Comment
CDA32494
Melica harfordii
l. Ahart
2004-6-22
11112
Butte
On the east margin of a gravel road, road leads to Butte Creek, south of Doe Mill Road, about 1/8 mile southwest of the bridge across Butte Creek, about 2 miles (air) southeast of Forest Ranch, about 5 miles (air) west of Stirling City.
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
CHSC41166
Melica harfordii
L. P. Janeway; Gary Benson
1985-7-1
Butte
Plumas N.F. ECOS plot 11-123. Slope on west side of Middle Fork Feather River near Milsap Bar.
633
Comment
JEPS103566
Melica harfordii
Lowell Ahart
2002-6-21
9739
Butte
On the sides of a poor dirt road, Watson Ridge, ca 2 miles (air) NE of Bald Rock Dome, ca 5 miles (air) N of Feather Falls (the town).
1086
Comment
SEINET10508160
Melica harfordii
Lowell Ahart, Peter Ahart
1984-6-10
Ahart 4713
Butte
About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown; Yellow Pine Forest; 700 m.
700
Comment
RSA4653
Melica subulata
E. B. Copeland
1929-7-16
338
Butte
Jonesville.
1550
Comment
CAS-BOT-BC262497
Melica torreyana
Lowell Ahart
1989-5-10
6221
Butte
Near Lake Oroville, about 1/10 mile north-west of the West Branch Bridge across Lake Oroville
289
Comment
UC204542
Melilotus albus
A. A. Heller
1914-7-11
11563
Butte
along river w Chico; Sacramento River
Comment
UCD107993
Melilotus albus
L. Ahart
1982-7-10
3670
Butte
1/4 mi se of HQ, Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley.
Comment
CHSC54438
Melilotus officinalis
Vernon H. Oswald; Lowell Ahart
1991-7-15
4734
Butte
Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), 2.1 miles east of its junction with Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek.
1082
Comment
CHSC102627
Melissa officinalis
Lowell Ahart
2009-7-9
16014
Butte
On the east edge of big Chico Creek, about 15 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.
181
Comment
CHSC44398
Mentha canadensis
Lowell Ahart
1988-6-21
6045
Butte
Along the edge of te North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC94031
Mentha pulegium
R. D. Fischer
2005-7-18
736
Butte
Sierra Nevada foothills, off Hwy. 32, on 10 Mile House Road in Bidwell Park about 4 miles east of Chico. Plants growing in moist meadow at edge of Big Chico Creek riparian near upper end of park property.
213
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
CHSC760
Mentha spicata
V. Holt; M. Underhill
1952-7-21
Butte
152
Comment
UC179654
Mertensia ciliata
H. M. Hall
1914-7-25
9784
Butte
Jonesville Sierra Nevada Montains
1554
Comment
CHSC42857
Micranthes nidifica
Lowell Ahart
1987-5-22
5664
Butte
In a small wash, about 1/4 mile southeast of Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 8 miles northeast of Feather Falls.
1280
Comment
CHSC48908
Micranthes odontoloma
Vernon Oswald
1987-7-29
3165
Butte
Between the dead-end spur road paralleling Coon Hollow Road on the south and the southwestern-most lake in a cluster of three located in the se/S6.
1752
Comment
CAS-BOT-BC429202
Micranthes oregana
A. A. Heller
1914-6-22
11493
Butte
Chico Meadows
1219
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
CHSC101080
Microseris acuminata
Lowell Ahart; John Dittes
2009-3-20
15516
Butte
Open area west of the Guardian Rock Trail, about 175 yards southwest of the Ten Mile House Road Trail, about 300 yards west of Highway 32, west of the intersection of Highway 32 and Ten Mile House Road, Upper Bidwell Park, about 10 miles northeast of Chico.
407
Comment
CHSC48186
Microseris douglasii subsp. douglasii
Vernon Oswald
1988-5-2
3294
Butte
Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. Along the west fence.
54
Comment
UC179687
Microseris douglasii subsp. douglasii
A. A. Heller
1914-4-14
11291
Butte
hills 8 mi n Oroville
Comment
CHSC51046
Microseris sylvatica
J. D. Jokerst
1985-4-16
1971
Butte
Cherokee area east of Table Mt, south of Campbell Flat in my backyard.
Comment
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
UCSB44169
Mimulus angustatus
Reisentz, Paul
1979-5-13
Butte
4 miles West on Cherokee Road from Highway 70 at Cherokee Point
Comment
UC1012167
Mimulus aurantiacus var. grandiflorus
F. W. Pennell and A. A. Heller
1940-6-5
25677
Butte
10-12 mi above Oroville (Route 24); Feather River
182
Comment
UC767436
Mimulus bicolor
R. F. Hoover
1936-5-21
1161
Butte
7 mi n Chico
Comment
UC1594698
Mimulus breweri
Lowell Ahart
1992-7-21
6802
Butte
about 2 air mi ne Philbrook Reservoir (s side of hollow); Coon Hollow
1737
Comment
HSC86825
Mimulus glaucescens
Robert A. Schlising
1963-5-4
2564
Butte
S of Cohasset, 5.2 mi. N of Jct. Cohasset Hwy. and Kiefer Rd., along Cohasset Hwy.
Comment
UC176073
Mimulus glaucescens
A. A. Heller
1912-5-23
10755
Butte
n Oroville (Table Mountain Olive Ranch)
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
JEPS48318
Mimulus guttatus
Paul C. Hutchison with J. K. Wright and R. Bacigalupi
1963-6-1
2686
Butte
w side Pulga Bridge; North Fork of Feather River
472
Comment
RSA32856
Mimulus guttatus
A. A. Heller
1938-4-14
15028
Butte
Summit of Table Mtn.
305
Comment
POM252815
Mimulus kelloggii
A. A. Heller
1938-4-14
15025
Butte
The treeless, undulating plain of Table Mountain.
305
Comment
UCSB63615
Mimulus kelloggii
Sterling, Lynda
1986-3-18
Butte
S bank of Butte Creek; ca. 150 yds wsw of covered bridge; ca. 7 mile E of Chico
91
Comment
RSA107407
Mimulus layneae
L. S. Rose
1955-6-14
55096
Butte
Magalia.
732
Comment
CHSC64018
Mimulus moschatus
B. Castro
1987-8-29
213
Butte
At s edge of Butte Ck ca 2.1 mi S of Skyway and ca 1/4 mile E of Hwy 99 bridge.
60
Comment
RSA4110
Mimulus moschatus var. sessilifolius
E. B. Copeland
1929-7-13
463
Butte
Jonesville.
1550
Comment
JEPS95802
Mimulus pilosus
Lowell Ahart
1999-8-13
8133
Butte
about 1 mile southeast of Ord Ferry; Chico; 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
JEPS121901
Mimulus primuloides var. primuloides
Lowell Ahart
2014-7-10
19613
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
RSA589915
Mimulus tilingii
Michael A. Vincent, Robert M. Rhode, Jim Snowden
1996-3-29
7226
Butte
North Table Mountain, W of Cherokee Rd, N of Oroville. S side Beatson Hollow, ca. 1.15 airmiles NW of entrance on Cherokee Rd.
Comment
RSA0116104
Mimulus torreyi
Lowell A. Ahart
2014-4-13
19660
Butte
About 150 yards southeast of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
UC196166
Mimulus torreyi
A. A. Heller
1914-5-18
11414
Butte
near Forest Ranch; west slope of the Sierra
701
Comment
CHSC10733
Minuartia californica
Lowell Ahart
1967-4-11
Butte
Peter Ahart Ranch, Honcut.
42
Comment
CHSC40650
Minuartia californica
Ahart; Jokerst
1985-3-24
4868
Butte
Found west of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill.
550
Comment
CHSC93358
Minuartia californica
Lowell Ahart
2006-4-28
12551
Butte
About 150 yards south of the rim of Beatson Hollow, about 1 mile (air) west of the Iron Gate along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
333
Comment
CHSC93500
Minuartia californica
Lowell Ahart
2006-5-8
12590
Butte
Margins of a vernal pool, about 80 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.
346
Comment
HSC67511
Minuartia californica
J. P. Smith
1973-3-22
5928
Butte
2.1 mi. E of junction with Hwy. 99 and the road to Paradise
122
Comment
RSA636047
Minuartia californica
Michael A. Vincent, Ethan H. Freid
1998-4-6
8122
Butte
Table Mountain.
Comment
CHSC75488
Minuartia douglasii
G. F. Hrusa; T. D. Wilfred
1997-5-7
13721
Butte
Sierra Nevada. Serpentine outcrop on SSE slope above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive. [Lat./Long. on label is '39 51 N, 121 34 W'].
750
Comment
SEINET10899189
Minuartia douglasii
Mary Susan Taylor
1981-5-7
Taylor 3644
Butte
T20N R6E se/se sec 25, Clipper Mills quad. Along spur rd, ca. 0.5 mi SE of its jct with Fields Ridge Rd-20N24.6, ca. 3 air mi S of Feather Falls community. Yellow Pine Forest; 3200 ft.
975
Comment
POM274266
Mitella breweri
J. W. Morrison
1929-06
s.n.
Butte
Oroville-Quincy. Sierra Nevada mtn range. Feather River watershed.
1829
Comment
CHSC116635
Moenchia erecta subsp. erecta
Lowell Ahart
2016-4-15
20744
Butte
On both sides of Swedes Flat road, about 1/2 mile southwest of Dutch Ravine, about 8 miles (air) southeast of Oroville.
384
Comment
CHSC52180
Mollugo verticillata
Pauleen Broyles
1987-5-21
1048
Butte
The Nature Conservancy Vina Plains Preserve, Wurlitzer Addition. Scattered along banks of Singer/Pine Creek.
Comment
JEPS120585
Mollugo verticillata
Lowell Ahart
2013-11-18
19271
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
JEPS42874
Mollugo verticillata
W. L. Jepson
1939-8-17
19459
Butte
near Oroville (Feather River); Feather River
45
Comment
SEINET9776682
Mollugo verticillata
Richard Carter
2006-7-30
Butte
N Chico, 0.3 mi N jct. Nord Hwy and Esplanade, between Esplanade and Hwy CA 99
Comment
SEINET8263327
Mollugo verticillata
Richard R. Halse
2006-8-2
6979
Butte
Chico; in the Lindo Channel Greenway where it crosses under Mangrove Ave.
92
Comment
SEINET10865494
Monardella
Mary Susan Taylor
1978-7-19
Taylor 1751
Butte
On W side of Upper Scotts John Road, ca. 2 mi N of its junction with Scotts John Road, ca. 4 mi E of Jonesville.
1829
Comment
CHSC51225
Monardella breweri subsp. lanceolata
Lowell Ahart
1984-6-8
4662
Butte
On the road cutbank along Ponderosa Way, about 1/8 mile west of the Ponderosa Dam, about 2 miles north-west of Forbestown.
335
Comment
JEPS110081
Monardella odoratissima subsp. glauca
Lowell Ahart
2006-7-16
12960
Butte
Near the open mudflow area, on the north side of Humboldt Road, about 1 1/2 miles (air) southwest of Butte Meadows
1435
Comment
CAS-BOT-BC215538
Monardella odoratissima subsp. pallida
A. A. Heller
1917-7-29
12860
Butte
Summit above Jonesville
2133
Comment
CHSC43035
Monardella sheltonii
L. P. Janeway
1987-6-8
2179
Butte
4.5 mi south of Big Bar Mtn (via rd).
899
Comment
CAS-BOT-BC220254
Monardella sheltonii
Alice Eastwood
1913-6-18
s.n.
Butte
Chico
Comment
CHSC59108
Monardella venosa
L. P. Janeway; B. Castro
1992-5-16
4187
Butte
Small canyon between Hamlin Canyon and the unnamed canyon on the southeast side of Neal Road opposite the entrance to the Butte County Land Fill; ca 1 1/2 mi northeast of Hwy 99.
73
Comment
CAS-BOT-BC444887
Montia fontana
A. A. Heller
1914-3-18
11209
Butte
Eight miles north of Oroville
Comment
CHSC12406
Montia parvifolia
Lowell Ahart
1973-5-31
Butte
Near Little North Fork, Feather River.
1066
Comment
CHSC45101
Montia parvifolia
Lowell Ahart
1988-6-29
6109
Butte
Along Bean Creek, at bridge on Bean Creek road, about 1/2 mile south-west of Johnson Ranch, about 2 miles south of Little Bald Rock.
609
Comment
POM101999
Montia parvifolia
Mrs. R. M. Austin
1883-05
19
Butte
Chico Creek
Comment
UC83795
Montia parvifolia
Mrs. R. M. Austin
1883-5-1
45
Butte
Little Chico Canyon
Comment
UCD101762
Montia parvifolia
Brian Bagley
1981-5-17
26
Butte
2.5 miles south of Arch Tunnel on Hwy 70. Cresta Powerhouse Substation.
463
Comment
CHSC117749
Morus alba
Lowell Ahart
2016-10-25
21374
Butte
On the west side of a ditch, about 50 yards south of the Little Pump, Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
30
Comment
RSA0119326
Muhlenbergia andina
Lowell A. Ahart
2014-8-13
19702
Butte
About 80 yards southeast of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
CAS-BOT-BC263356
Muhlenbergia asperifolia
Lowell Ahart
1987-5-27
5708
Butte
On a sand bar along the North Fork of teh Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
271
Comment
CAS-BOT-BC260538
Muhlenbergia filiformis
A. A. Heller
1917-7-28
12833
Butte
Butte Meadows
1280
Comment
CHSC103439
Muhlenbergia filiformis
Lowell Ahart
2009-11-19
16546
Butte
About 80 yards southeast of the gate, about 70 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
CHSC40647
Muhlenbergia filiformis
Lowell Ahart
1985-10-12
5198
Butte
Near the east side of Kunkle Reservoir, about 2 miles south of Paradise.
502
Comment
CHSC51671
Muhlenbergia mexicana
M. Bailey
1990-10-9
415
Butte
In the vicinity of the intersection of the East and West Branches of Clear Creek, near Pentz Road on the Butte College campus.
85
Comment
CHSC31725
Muhlenbergia rigens
L. Ahart
1974-9-30
638
Butte
On banks of North Honcut Creek. Peter Ahart Ranch, Honcut.
45
Comment
JEPS124199
Muhlenbergia rigens
Lowell Ahart
2015-10-9
20544
Butte
About 3/4 mile northwest of the intersection of Bull Hill Road, Skyway, and Humbug Road, about 4 miles (air) north of Inskip.
Comment
UCD87063
Muhlenbergia rigens
L. E. Hazeltine
1916-7-27
s.n.
Butte
Chico.
Comment
CHSC55399
Myosurus minimus subsp. minimus
L. P. Janeway
1991-5-1
3922
Butte
Ca 1 mi south of Wyandotte and ca 1/4 mi west of Dunstone Drive.
182
Comment
SEINET11268246
Myriophyllum spicatum
Lowell Ahart
2001-6-3
8749
Butte
On the west side of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 12 miles southeast of Oroville.; 0
38
Comment
UCD150362
Najas guadalupensis subsp. guadalupensis
William Anderson
1964-8-9
s.n.
Butte
Gridley-Colusa Rd.
Comment
CHSC24489
Nama lobbii
M. S. Taylor
1976-6-28
1165
Butte
Ca. 4 mi se of Jonesville on Scotts John Creek Rd, ca. 2 ft n of rd.
1828
Comment
CHSC105810
Navarretia capillaris
Lowell Ahart
2010-9-21
17208
Butte
About 70 yards east of the poor dirt road, about 80 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir.
1917
Comment
CHSC112682
Navarretia filicaulis
Lowell Ahart
2013-7-1
18818
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
CHSC30686
Navarretia filicaulis
M. S. Taylor; R. Schlising
1980-7-6
3063
Butte
On w side of Hwy 32, ca. 0.1 mi s of Loma.
1127
Comment
CHSC45755
Navarretia filicaulis
L. P. Janeway
1987-6-13
2195
Butte
Saddle along Ponderosa Way (Rim Rd) 3.4 mi NE of Jarbo Gap.
841
Comment
UC423491
Navarretia filicaulis
David D. Keck
1930-7-25
976
Butte
10 mi e Oroville; Sierra Nevada, Hurleton
487
Comment
SBBG128717
Navarretia filicaulis
L. Ahart
2013-7-1
18818
Butte
ca. 150 yards E of the intersection of Forbestown Rd and Black Bart Rd, ca. 3.25 mi SW of Forbestown
737
Comment
UC70271
Navarretia heterandra
R. F. Hoover
1937-5-19
2239
Butte
10 mi nw Chico ((= near Cana))
Comment
JEPS127016
Navarretia intertexta
Lowell Ahart
2016-5-24
20864
Butte
About 150 yards south of La Porte Road, about 1/4 mile southwest of the intersection of La Porte Road and Loma Rica Road, about 3 1/4 miles (air) northeast of Honcut.
Comment
UC856827
Navarretia intertexta
A. A. Heller
1914-5-11
11386
Butte
8 mi n Oroville
Comment
JEPS110190
Navarretia intertexta subsp. intertexta
Lowell Ahart
2006-7-16
13003
Butte
On the west side of the poor dirt road, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows
1524
Comment
UCD106178
Navarretia leptalea
E. B. Copeland
1928-8-18
s.n.
Butte
Jonesville.
1524
Comment
CHSC36432
Navarretia leucocephala
D. H. Ikeda
1980-5-10
355
Butte
0.4 mi w of intersection of Hwy. 99 and Broyles Rd., on n side of road in a field.
Comment
SEINET10869734
Navarretia squarrosa
Mary Susan Taylor
1977-6-25
Taylor 1393
Butte
Foothill Woodland-Yellow Pine Forest transition zone, on Ponderosa Way betwe en Cohasset and Forest Ranch.
610
Comment
CHSC91118
Navarretia tagetina
Lowell Ahart
2005-5-28
11816
Butte
Along the south edge of Cox Lane, about 2 miles east of Palermo Honcut Highway, about 10 miles (air) southeast of Oroville.
91
Comment
RSA715673
Navarretia tagetina
L. Ahart
2005-5-27
11813
Butte
About 50 yards northeast of the tower, Peter Ahart Ranch, about 2 miles north and 1 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville.
46
Comment
SD7652
Navarretia viscidula
Mrs. R. M. Austin
1883-1
Butte
Butte Co
Comment
CHSC68661
Nemacladus capillaris
Lowell Ahart
1997-5-29
7741
Butte
About 100 yards south of the dirt road and basalt quarry, south of Lumpkin ridge Road, about 1 and 1/4 miles east of Camp 18, east of Feather Falls.
1280
Comment
CAS-BOT-BC219364
Nemophila
John Thomas Howell
1976-4-1
51524
Butte
Table Mountain, 4 to 5 miles north of Oroville
152
Comment
CAS-BOT-BC7203
Nemophila heterophylla
C. C. (Mrs.) Bruce
1897-5-1
2037
Butte
Big Chico
Comment
CHSC40032
Nemophila heterophylla
A. A. Heller
1926-3-24
13912
Butte
Moist woodland soil along Chico Creek about six miles east of Chico.
Comment
CHSC90479
Nemophila heterophylla
Lowell Ahart; Paul Maslin, John Dittes
2005-3-17
11679
Butte
Big Chico Creek Ecological Reserve. On the west side of Chico Canyon Road, about 1 mile (air) west of Highway 32, about 7 miles (air) northeast of Chico.
236
Comment
UC196272
Nemophila heterophylla
A. A. Heller
1914-5-8
11376
Butte
plateau above Clear Creek (on the Paradise Road); above Clear Creek
Comment
SEINET10969183
Nemophila heterophylla
Mary Susan Taylor
1981-4-5
Taylor 3494
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
CHSC62466
Nemophila maculata
B. Castro; L. Janeway
1991-4-19
442
Butte
Ca 10 air mi NE of Oroville, 0.75 mi NW of Oregon Gultch, 0.5 mi S of Montgomery Bar Ravine.
353
Comment
CHSC38462
Nemophila pedunculata
Vernon Oswald
1983-4-25
385
Butte
Upper Bidwell Park, Chico, on the north rim ca 500 ft e of the power lines.
249
Comment
CHSC703
Nemophila spatulata
P. Delaplane
1965-5-4
55
Butte
In meadow ca. 4-5 mi N of Lake Concow on W side of Forest Road # 24N05.
914
Comment
SEINET10497062
Nemophila spatulata
Mary Susan Taylor
1982-6-24
Taylor 4741
Butte
T23N R4E ne/nw sec 13. Pulga SW quad. Rag Dump 5, ca. 2 mi n of Flea Mt, ca. 10 mi n of Jarbo Gap on Hwy 70. Elev ca. 3800 ft.
1158
Comment
SEINET260328
Nicotiana acuminata var. multiflora
Lowell Ahart
1986-11-9
5434
Butte
Boat launch area off the Oroville Quincy highway near Canyon Creek about 12 mi NE of Oroville
270
Comment
SEINET175225
Nuphar lutea subsp. polysepala
E. B. Copeland
1930-1
415
Butte
Jonesville
1700
Comment
CAS-BOT-BC400069
Nuphar polysepala
E. B. Copeland
1929-7-29
s.n.
Butte
Jonesville, near Butte Creek House
1750
Comment
CAS-BOT-BC400310
Nymphaea odorata
Arthur Menzies; Barbara Menzies
1969-8-1
s.n.
Butte
At corner of Nelson West Road & Chico-Butte City Hwy.
Comment
CHSC95360
Nyssa sylvatica
L. P. Janeway; Morgan LoRomer
2006-9-29
8889
Butte
Rancho Arroyo Chico. Sacramento Valley. On the campus of California State University Chico; two trees at the southwestern corner of Shasta Hall, about 37 m southeast of Legion Ave. half way between Citrus Ave. and Warner St.
59
Comment
CHSC108847
Oemleria cerasiformis
Lowell Ahart
2012-3-2
17768
Butte
About 40 yards east of the Pine Trail, south of a deep drainage, about 1/4 mile west of Highway 32, about 8-1/2 miles northeast of Chico.
387
Comment
RSA20876
Orthocarpus erianthus
Carl B. Wolf
1937-3-29
8337
Butte
Sierra Nevada foothills, 7.8 miles below Paradise on Chico Road.
152
Comment
RSA727539
Orthocarpus lacerus
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
CAS-BOT-BC254365
Oryza sativa
G. P. Rixford
1914-9-4
s.n.
Butte
Biggs
Comment
UC1586596
Osmorhiza brachypoda
Vernon H. Oswald and Lowell Ahart
1991-6-5
4651
Butte
ca 1.5 air mi nw Platte Mtn. Lookout (dirt road to Minnie-Ha-Ha Mine located on Big Chico Creek, w side of Hwy 32, between Forest Ranch and Lomo)
762
Comment
CHSC42637
Osmorhiza chilensis
Vernon Oswald
1984-4-9
1133
Butte
Feather Falls Trail, 2.1 trail mi from the trail head at the end of Bryant Ravine Rd.
457
Comment
CHSC88069
Osmorhiza chilensis
R. D. Fischer
2004-6-6
155
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located mid-way down Pine Trail.
419
Comment
UC1423439
Ottelia alismoides
T. C. Fuller and G. D. Barbe
1977-9-20
2334
Butte
e of Cherokee Canal (approx. 0.5 km s of Highway 162, drainage canal w of Biggs Rice Experiment Station)
Comment
UCD138166
Ottelia alismoides
T. C. Fuller
1977-9-20
2334
Butte
west of Biggs Rice Experiment Station, east of Cherokee Canal, approximately 0.5 km south of Highway 162.
Comment
CHSC108975
Oxalis pes-caprae
Lowell Ahart; John Dittes, Josephine Guardino
2012-4-6
17808
Butte
On the north side of Big Chico creek, Lost Park in Bidwell Park, city of Chico.
60
Comment
CHSC33965
Oxypolis occidentalis
M. S. Taylor; L. Ahart
1981-8-15
4193
Butte
N side of Coon Hollw Rd (26N74), 1.2 mi e of its jct with Humbug Rd, ca. 12 mi ne of Stirling City.
1676
Comment
CAS-BOT-BC316889
Packera eurycephala var. lewisrosei
Lewis Samuel Rose
1963-6-2
63067
Butte
north fork of the Feather River, 2 mi south of Pulga
579
Comment
CHSC35669
Packera eurycephala var. lewisrosei
R. E. Preston
1982-4-22
260
Butte
Lakeside; Lake Oroville, ca. 1/2 mi ne of Lime Saddle Powerhouse, ca. 4.5 mi se of Paradise.
286
Comment
SEINET11799184
Packera eurycephala var. lewisrosei
L. S. Rose
1939-1
39247
Butte
North Fork of Feather River, 3 mi S of Pulga
610
Comment
UC600480
Paeonia brownii
H. F. Copeland
1920-5-22
205
Butte
Jonesville
Comment
CHSC45210
Panicum acuminatum
Lowell Ahart
1984-7-19
4726
Butte
On road banks, about 1 1/2 miles south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 air miles north-east of Stirling City.
1371
Comment
CHSC31631
Panicum capillare
L. Ahart
1974-7-19
550
Butte
Along banks of North Honcut Creek. Peter Ahart Ranch, Honcut.
45
Comment
CDA2143
Panicum rigidulum
J. T. Howell
1961-9-22
36714
Butte
Bank of Feather River, Oroville.
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
RSA712869
Parentucellia viscosa
L. P. Janeway
2006-5-4
8574
Butte
Northern Sierra Nevada Foothills. Above the east side of Pentz Road 0.5 km north of Durham-Pentz Road.
201
Comment
UC665655
Parvisedum pumilum
Herbert L. Mason
1941-4-6
12409
Butte
3 mi s of Chico (near junction of road to Paradise, Sierra Nevada Foothills); Sierra Nevada Foothills
91
Comment
CHSC31475
Paspalum urvillei
L. Ahart
1980-7-29
2496
Butte
Along the edge of a stream, near Hurleton Swedes Flat Rd, ca. 1 mi s of Forbestown Rd, near Hurleton.
600
Comment
SEINET10453506
Paxistima myrsinites
Lowell Ahart
1983-3-28
Ahart 3909
Butte
E bank of Woodleaf Creek above the rd, ca. 3/8 mi sw of Forbestown Reserv., ca. 4 mi ne of Forbestown. Yellow Pine Forest.
450
Comment
CHSC39060
Pedicularis attollens
Robert A. Schlising
1982-8-1
4369
Butte
N part of county, E of Inskip at Jones Meadow.
1853
Comment
CHSC64224
Pedicularis attollens
S. C. Morey
1983-7-23
583
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
430
Comment
CHSC27958
Pellaea andromedifolia
Sam M. Grossberg
1978-4-22
21
Butte
North Table Mountain, ca. 2.5 mi nne of Cherokee Road, 6.0 mi n of Oroville.
365
Comment
JEPS115072
Pellaea andromedifolia
Lowell Ahart
2007-11-3
14550
Butte
West of the high water line of Lake Oroville, about 1/2 mile east of the Power House below Kunckle Reservoir, about one mile north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise
322
Comment
SBBG128079
Pellaea andromedifolia
L. Ahart
2009-5-30
15781
Butte
N of a broad open dainage in oak woodland, ca. 100 yards N of the dirt rd which is Ten Mi House Rd, Upper Bidwell Park, ca. 0.5 mi W of Hwy 32, ca. 10 mi NE of Chico
269
Comment
UC1562403
Pellaea breweri
Vernon Oswald and Lowell Ahart
1990-6-20
4310
Butte
between Philbrook Reservoir and Carr Mine (ca. 0.5 mi w of Butte-Plumas county line, s side Philbrook Creek)
1962
Comment
CAS-BOT-BC67557
Pellaea mucronata
Lowell Ahart
1969-3-27
s.n.
Butte
Honcut - Peter Ahart Ranch
45
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
SEINET10529804
Pellaea mucronata
Mary Susan Taylor
1979-11-15
Taylor 2291
Butte
Peter Ahart Ranch, Honcut. With Jim Jokerst & Lowell Ahart.
46
Comment
SEINET10529810
Pellaea mucronata
Mary Susan Taylor
1980-4-27
Taylor 2547
Butte
T23N R3E ne sec 27. Paradise quad. Ca. 1 mi S of Nimshew, ca. 1/4 mi E of Nimshew Rd; Yellow Pine Forest. With J.D. Jokerst.
610
Comment
SEINET10834166
Pellaea mucronata
Mary Susan Taylor
1976-4-24
Taylor 1068
Butte
Abundant on Big Bald Rock, ca. one quarter mi W of Bald Rock Rd, ca. 3 mi E of Lake Madrone, ca. 13 mi NE of Orovil le; with Quercus chrysolepis.
998
Comment
CHSC44732
Penstemon azureus
R. Banchero
1980-5-7
143
Butte
Along Hwy 70, 2.4 mi S of its jct with the Feather River.
609
Comment
UC1302274
Penstemon azureus var. angustissimus
Richard M. Straw
1962-6-26
2193
Butte
5 mi n Bidwell Bar; n of Bidwell Bar
580
Comment
UC195477
Penstemon gracilentus
A. A. Heller
1914-8-7
11664
Butte
summit back Jonesville; summit back of Jonesville
2133
Comment
CHSC1866
Penstemon heterophyllus var. purdyi
L. Oliver; D. Sloan
1935-5-10
Butte
Butte Creek Canyon.
Comment
SEINET10548024
Penstemon laetus
Mary Susan Taylor
1980-6-14
Taylor 2878
Butte
T21N R5E ne sec 25. Big Bend quad. On N sid eof Zink Road, near entrance to Zink Ranch, ca. 2 mi E of Lake Madrone; Yellow Pine Forest.
762
Comment
SEINET10548026
Penstemon laetus
Mary Susan Taylor
1980-8-2
Taylor 3204
Butte
T27N R5E center sec 32, Jonesville quad. Humboldt Peak, N tip of the county.
2155
Comment
CHSC31196
Penstemon laetus var. leptosepalus
M. S. Taylor; R. Schlising
1980-7-6
3078
Butte
On n side of Old Humboldt Rd, beneath power lines, ca. 0.9 mi w of Butte Meadows Forestry Station.
1341
Comment
CHSC44709
Penstemon laetus var. leptosepalus
R. Banchero
1980-6-13
222
Butte
Little Bald Rock, ca 1.0 mi E of Bald rock Rd.
1036
Comment
CHSC71655
Penstemon laetus var. leptosepalus
Vernon H. Oswald; Lowell Ahart
1998-8-11
9473
Butte
Four Trees-Coyote Gap Rd. 0.1 mi west of Four Trees.
1578
Comment
JEPS93937
Penstemon laetus var. leptosepalus
Vernon H. Oswald and Lowell Ahart
1998-8-11
9473
Butte
Four Trees-Coyote Gap Road 0.1 mi w of Four Trees; Four Trees-Coyote Gap Road
1578
Comment
UC887104
Penstemon laetus var. leptosepalus
Lewis S. Rose
1939-6-7
39236
Butte
3 mi s Pulga (S Fork Feather River); , s of Pulga
609
Comment Read comments Jul 24 2008
POM193323
Penstemon newberryi subsp. newberryi
E. B. Copeland
1930-7-6
458
Butte
Above Jonesville.
1900
Comment
CHSC42829
Penstemon personatus
L. P. Janeway
1987-6-27
2356
Butte
Overlooking Keyser Cr; 5.4 mi N of Ramsey Bar along the Concow Rd. Mostly on NW-facing roadcut but also scattered on slope immed. above.
1554
Comment
CHSC42835
Penstemon personatus
L. P. Janeway
1987-7-4
2434
Butte
Along the Concow Rd ca 1 mi N of Bald Mtn (towards Jones Mdw).
1786
Comment
SEINET12331900
Penstemon personatus
L. Ahart, Ahart, P.
1984-1
4671
Butte
about 1/2 mi E of Bald Mtn, about 5 mi NE of Stirling City
1900
Comment
UC600440
Penstemon rydbergii var. oreocharis
H. F. Copeland
June, 1931
Butte
Jonesville
Comment
CHSC28896
Pentagramma triangularis
M. S. Taylor
1980-3-1
2339
Butte
On north facing bluffs looking into Nance Canyon, ca. 1/4 mi n of Neal Rd, ca. 3 mi e of its jct with Hwy 99, ca. 7 mi s of Chico.
121
Comment
CAS-BOT-BC77139
Pentagramma triangularis subsp. semipallida
Jeffrey D. Mott
1978-4-24
8
Butte
West Branch Feather River - Cherokee Quadrangle
280
Comment
CHSC30083
Pentagramma triangularis subsp. semipallida
M. S. Taylor; J. D. Jokerst, L. Ahart, R. Schlising
1980-7-20
3190
Butte
Big Bald Rock, ca. 3 mi e of Lake Madrone.
997
Comment
CHSC32116
Pentagramma triangularis subsp. semipallida
L. Ahart
1976-7-7
1171
Butte
Along edge of rd to Little North Fork of the Feather River, ca. 2 mi s of Junction House.
1219
Comment
CHSC32690
Pentagramma triangularis subsp. semipallida
M. S. Taylor
1981-3-24
3439
Butte
On s side of Hwy 70 just e of Heinz Creek, ca. 1 mi e of Pulga.
487
Comment
CAS-BOT-BC77140
Pentagramma triangularis subsp. semipallida
M. S. Taylor
1981-1-5
3368
Butte
CA. 100 ft. E of Pentz-Magalia Hwy Ca. 1 mi. S of Kunkle Reservoir, ca. 3 mi S of Paradise. Cherokee Quad.
411
Comment
JEPS104149
Pentagramma triangularis subsp. triangularis
Lowell Ahart
2003-4-10
10075
Butte
Below the basalt cliffs, on the e rim of South Table Mountain, ca 2 1/2 mi (air) n of Oroville.
309
Comment
CAS-BOT-BC77086
Pentagramma triangularis subsp. triangularis
J. L. Wilson
1970-2-27
235
Butte
North bank of Honey Run Road, approx. 50 yds. up hillside in rocks. Ca. 5 mi. east of intersection of Honey Run Rd.
91
Comment
CHSC37267
Perideridia bolanderi subsp. bolanderi
L. Ahart
1982-6-15
3565
Butte
Ca. 1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls.
1000
Comment
CHSC25263
Perideridia kelloggii
M. S. Taylor
1977-6-27
1398
Butte
On Butte College campus, ca. 15 mi s of Chico.
30
Comment
JEPS12433
Perideridia kelloggii
H. A. Dutton
1912-1
Butte
e Chico; Hooker Oak
Comment
CHSC40219
Perideridia lemmonii
Lowell Ahart
1985-7-9
5112
Butte
120 yards south of the dirt road, Lumpkin Ridge, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
975
Comment
JEPS120019
Persicaria hydropiper
Lowell Ahart
2012-10-28
18522
Butte
On the south side of Big Chico Creek, about 50 yards east of Table 5, west of Cedar Grove, Lower Bidwell Park, Chico.
Comment
CAS-BOT-BC413707
Persicaria hydropiper
Lowell Ahart
1981-9-19
3177
Butte
Arch Rock Tunnel, Hwy. 70
550
Comment
CAS-BOT-BC418953
Persicaria lapathifolia
Lowell Ahart
1974-11-9
s.n.
Butte
Peter Ahart Ranch, Honcut
45
Comment
CHSC113359
Persicaria lapathifolia
Lowell Ahart
2014-4-25
19409
Butte
Sides of a cleaned ditch, on the west side of Richvale South Highway, south of the intersection of Richvale West Road and Richvale South Highway, Richvale.
30
Comment
CAS-BOT-BC419173
Persicaria maculosa
Lowell Ahart
1981-9-19
3189
Butte
Cresta Power House
550
Comment
CDA42927
Persicaria punctata
L. Ahart
2012-9-28
18461
Butte
Just east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
Comment
SBBG119817
Persicaria punctata
L. Ahart
2006-10-8
13428
Butte
E side of the N Fk of the Feather River, just E of where the river flows into a pool, on the W side of Hwy 70, ca. 0.5 mi N of Cresta Power House
609
Comment
CHSC75265
Petrorhagia dubia
Jennifer Slater
1997-4-20
26
Butte
At the Wurlitzer addition of the Vina Plains Preserve, west of Highway 99, approx 10 miles north of Chico.
67
Comment
CHSC25277
Petroselinum crispum
K. R. Stern
1977-4-25
Butte
Comment
UC726915
Phacelia corymbosa
A. A. Heller
1938-5-28
15118
Butte
on Feather River Hwy 23 mi Oroville
Comment
CHSC27844
Phacelia distans
Patty L. Venable
1978-4-21
21
Butte
6 mi n of Oroville, 1 mi w of Cherokee Rd.
304
Comment
CHSC40595
Phacelia egena
Ahart; Jokerst
1985-3-24
4857
Butte
Serpentine Point, west of Yankee Hill, around large rock outcroppings.
550
Comment
SEINET11263935
Phacelia egena
Lowell Ahart
1992-9-20
6922
Butte
Lake Oroville, about 1/8 miles west of the Enterprise Boat Launch Ramp, about 3/4 miles SW of Rocky Point.; 0
244
Comment
CHSC42353
Phacelia heterophylla subsp. virgata
Lowell Ahart
1987-5-9
5593
Butte
On dry disturbed soil along Pulga Road, about 1/2 mile south-west of Bardees Bar along the North Fork of the Feather River, about 3 miles south-west of Pulga.
365
Comment
UC1602038
Phacelia heterophylla subsp. virgata
P. L. Johannsen
1936-7-17
Butte
2 1/2 mi sse Butte Mdws.; Lassen National Forest, Paynes Creek Quadrangle
Comment
RSA0055024
Phacelia heterophylla var. virgata
James R. Shevock
1972-5-19
1778
Butte
Jarbo Pass, Highway 70, Feather River Canyon.
701
Comment
UC1564794
Phacelia procera
V. Oswald and L. Ahart
1989-7-12
3851
Butte
ca 2 air mi sw Lotts Lake (ca 3 air mi se of Philbrook Reservoir); Big Kimshew Creek
1926
Comment
SEINET10497021
Phacelia purpusii
Mary Susan Taylor
1980-7-6
Taylor 3064
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
UCR80229
Phacelia racemosa
H. F. Copeland
1931-6-9
1538
Butte
Jonesville, near Jones Creek
1529
Comment
CHSC20453
Phalaris caroliniana
Dave Isle
1969-4-18
372
Butte
6 1/2 miles N. of Oroville on Cherokee Road (about 500+ yards W. of road on Table Mtn.).
289
Comment
UCD80589
Phalaris paradoxa
CNPS SN Foothill Team
2005-5-5
SNFN 0156
Butte
City of Chico, Upper Bidwell Park, off upper Bidwell Park Road on the N side of the road, about 0.75 miles E of Horseshoe Lake.
99
Comment
SEINET10949139
Phalaris paradoxa
Lewis S. Rose
1937-6-11
Rose 37381
Butte
7 mi W of Honcut. Open fields
23
Comment
SEINET194972
Philadelphus californicus
A. A. Heller
1938-5-30
15130
Butte
Near Grizzly Dome tunnel on Highway 24.
610
Comment
CHSC1645
Philadelphus lewisii
R. M. Staley
1952-7-2
Butte
W. Branch of Feather River.
Comment
CHSC39536
Philadelphus lewisii
Lowell Ahart
1983-6-21
4080
Butte
Found growing on dry rocky soil along Bloomer Hill Road, about 3/4 mile west of the Oroville-Quincy Highway, about 15 miles north-east of Oroville. Label says Section 6.
425
Comment
UC1392744
Philadelphus lewisii
R. F. Hoover
1968-5-29
11136
Butte
Cohasset Road
Comment
RSA0057776
Philadelphus lewisii
Edward Palmer
1892-6-7
s.n.
Butte
Near Chico.
Comment
CAS-BOT-BC250865
Phleum pratense
M. S. Taylor
1978-7-18
1720
Butte
On n side of Butte Creek, at jct of Butte Creek and Old Humboldt Rd, ca. 1 mi w of Cherry Hill Campground
1524
Comment
SEINET4176107
Phleum pratense
Lowell Ahart
1985-7-24
5156
Butte
Below the high water line of the Forbestown Reservoir, about 50 yards South of the Generator, 4.5 Miles North-East of Forbestown.
351
Comment
POM282388
Phlox diffusa subsp. diffusa
E. B. Copeland
1931-6-19
683
Butte
Jonesville.
2100
Comment
UC880352
Phlox gracilis
A. A. Heller
1915-6-27
12041
Butte
Jonesville Sierra Nevada
1676
Comment
CAS-BOT-BC134921
Phoradendron bolleanum
Mary E. Wall
1935-11-10
s.n.
Butte
Magalia
Comment
CHSC3591
Phoradendron densum
Susan Carrauthers
1966-3-6
45
Butte
1/4 mi N.E. of Magalia (city) train station on Coutelenc Road. N. of city of Paradise.
Comment
CHSC85727
Phoradendron densum
G. F. Hrusa; T. D. Wilfred
1997-7-3
13981
Butte
Sierra Nevada. Near summit of serpentine slopes facing SSE above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive. [Lat./Long. on label is '39 degrees 51' N; 121 degrees 34' W'].
750
Comment
CAS-BOT-BC141249
Phoradendron serotinum subsp. tomentosum
Lowell Ahart
1980-9-10
2621
Butte
Little Bald Rock
335
Comment
CHSC51083
Phoradendron villosum
Pauleen Broyles
1988-2-13
1096
Butte
The Nature Conservancy Vina Plains Preserve. Wurlitzer Addition. On e. side of Singer Creek in n.e. portion of Wurlitzer Addition. Parasitic on Quercus lobata near the creek.
Comment
JEPS120063
Photinia serratifolia
Lowell Ahart
2012-4-9
17849
Butte
About 50 feet west of South Rim Trail, south part of Upper Bidwell Park, about 2 1/2 miles (air) northeast of Chico.
Comment
SEINET10547000
Phyla nodiflora var. rosea
Lowell Ahart
1991-9-14
Ahart 6725
Butte
On the south end of the dam, at the large reservoir, Joie Osgood Ranch, about 2 miles east of Honcut. Valley Grassland. T17N R4E S/C/S14.
46
Comment
CHSC31860
Physalis acutifolia
L. Ahart
1972-10-4
142
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CAS-BOT-BC140561
Physocarpus capitatus
Lowell Ahart
1981-7-7
2921
Butte
Along Black Bart Road, Forbestown. About 0.5 mile west of the Oroville Forbestown Road
700
Comment
SEINET11934478
Phytolacca americana
L. Ahart, Oswall, V.
1985-1
5159
Butte
Along La Porta Road about 4 mi NE of Bangor
305
Comment
CAS-BOT-BC76940
Pilularia americana
Lowell Ahart
1978-5-15
s.n.
Butte
Peter Ahart Ranch, Honcut
50
Comment
CHSC118034
Pilularia americana
Daphne K. Christopher; Hannah Stevens, Lowell Ahart
2003-4-21
230
Butte
Off Hwy 99. Ahart Family Ranch along boundary on access road and edge of field
41
Comment
CHSC78115
Pilularia americana
Lowell Ahart
2000-5-21
8378
Butte
Slickens from the Cherokee mine, on the east side of Clark Road (Highway 191), about 200 yards south of Dry Creek, about 10 miles (air) northwest of Oroville.
60
Comment
CHSC82229
Pilularia americana
Lowell Ahart
2002-4-14
9482
Butte
Area between the Railroad and the Midway Road, 50 yards south of Nelson Dlavo Road, in Nelson.
36
Comment
JEPS117720
Pilularia americana
Lowell Ahart
2010-6-9
16779
Butte
About 30 yards south of the poor dirt road, about 70 yards west of the fence, about 1/4 mile east of Cherokee Road, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville
392
Comment
CAS-BOT-BC76939
Pilularia americana
Lowell Ahart
1979-5-25
s.n.
Butte
2 miles south of Palermo. Pond on west side of the Western Pacific RR
35
Comment
NY34618
Pinus attenuata
R. C. Walsh
1987-7-7
297
Butte
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
NY61630
Pinus lambertiana
E. B. Copeland
1929-7-19
332
Butte
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
SEINET10866943
Pinus lambertiana
Mary Susan Taylor
1975-9-12
Taylor 913 A
Butte
Yellow Pine Forest, ca. 24 mi NE of Chico, ca. 500 m W of Hwy 32; with Torreya californica, Ceanothus prostratus.
1067
Comment
CAS-BOT-BC79017
Pinus ponderosa
A. A. Heller
1917-7-26
12850
Butte
Butte Meadows
1280
Comment
CHSC31515
Pinus sabiniana
L. Ahart
1971-3-17
66
Butte
On North Honcut Creek. Peter Ahart Ranch, Honcut.
45
Comment
UC183378
Pinus sabiniana
A. A. Heller
1913-3-9
10690
Butte
2 mi n Oroville
Comment
CAS-BOT-BC136583
Piperia leptopetala
Chester Dudley
1940-6-1
s.n.
Butte
Field redacted by CAS, contact the data manager for more information
Comment
CHSC84186
Piperia transversa
Lowell Ahart
2003-6-30
10328
Butte
Near the small stream, on the south side of Ponderosa Way, about 2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown.
490
Comment
CHSC100465
Pistacia atlantica
Lowell Ahart; John Dittes, Josephine Guardino
2008-11-8
15424
Butte
On the southeast side of Cedar Grove, Lower Bidwell Park, Chico.
67
Comment
CHSC43585
Pistacia atlantica
Vernon Oswald
1987-5-6
2373
Butte
Butte Creek Reserve e of Hwy 99 between Butte Creek and Durham Mutual Ditch.
68
Comment
CHSC43592
Pistacia vera
Vernon Oswald
1987-4-29
2357
Butte
Chico Tree improvement Center (former USDA Plant Introduction Station ) in se Chico.
68
Comment
SEINET10529837
Pityrogramma triangularis
Mary Susan Taylor
1979-5-4
Taylor 1981
Butte
T21N R6E sec 10. Millsap Bar Campground, ca. 9 mi NE of junction of Millsap Bar Road with Brush Creek Road, ca. 26 mi NE of Oroville; Yellow Pine Forest with limestone outcrops.
1006
Comment
SEINET10529966
Pityrogramma triangularis var. semipallida
Mary Susan Taylor
1980-3-19
Taylor 2390
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
SEINET10899934
Pityrogramma triangularis var. semipallida
Mary Susan Taylor, Vernon H. Oswald
1985-5-30
Taylor 5514
Butte
Trees Road between Hwy 70 and Coyote Gap, ca. 25 air mi NE of Oroville. Yellow Pine Forest.
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
CHSC35325
Plagiobothrys fulvus var. campestris
M. S. Taylor; K. Tharp
1982-4-8
4281
Butte
SE corner of jct of Hys 149 and 99, ca. 10 mi s of Chico.
68
Comment
CHSC46778
Plagiobothrys glyptocarpus
Lowell Ahart
1984-5-7
4590
Butte
Near Kunkle Creek, about 1/2 mile north of Kunkle Reservoir, about 2 miles south of Paradise.
548
Comment
JEPS77831
Plagiobothrys glyptocarpus
A. A. Heller
1914-5-16
11202
Butte
8 mi n Oroville
Comment
SFV3138
Plagiobothrys glyptocarpus
M. L. Vincent
1962-4-17
202
Butte
Sierra Nevada Cherokee Road at Table Mountain.
Comment
UC196289
Plagiobothrys glyptocarpus
A. A. Heller
1914-3-16
11202
Butte
low hills 8 mi n Oroville
Comment
POM252952
Plagiobothrys greenei
A. H. Heller
1938-4-14
15024
Butte
Along road near Wick s Corner north of Oroville.
Comment
UCR212286
Plagiobothrys greenei
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
CAS-BOT-BC228253
Plagiobothrys hispidulus
A. A. Heller
1914-6-22
11496
Butte
W slope of Sierra Nevada at Chico Meadows
1219
Comment
UC671791
Plagiobothrys hispidulus
H. F. Copeland
1938-7-4
Butte
Jonesville
Comment
CHSC29050
Plagiobothrys humistratus
R. A. Schlising
1980-4-20
3568
Butte
Between Singer Creek and Cana-Pine Creek Road. In trail.
Comment
CHSC29017
Plagiobothrys scriptus
M. S. Taylor; J. D. Jokerst
1980-3-28
2405
Butte
Around vernal pools, just e of Chico, between Humboldt Rd and Hwy 32, ca. 1/4 mi e of Forest Ave., ca. 1 1/2 mi e of Hwy 99.
76
Comment
CHSC103675
Plagiobothrys shastensis
Lowell Ahart
2010-4-30
16601
Butte
Open are along a ridge, on the north side of a trail, west of disk golf area, on a ridge about 350 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
353
Comment
JEPS104013
Plagiobothrys shastensis
Lowell Ahart
2003-5-9
10124
Butte
North of the Larkin Rd Boat Ramp, on the n side of the access road to the boat ramp at the Thermalito Afterbay, ca 300 yd w of Larkin road, ca 1 1/4 mi south of the Oroville Airport, ca 5 mi (air) sw of Oroville.
38
Comment
CHSC26798
Plagiobothrys stipitatus
M. S. Taylor; H. Hayes
1978-4-14
1566
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
CDA40661
Plagiobothrys stipitatus
T. C. Fuller
1958-4-15
4794
Butte
Highway 99E, 10 miles northwest of Chico.
0
Comment
CHSC103723
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2010-5-14
16652
Butte
On the west side of the old Humboldt Road, Disc Golf Area, about 150 yards north of the entrance to the Disc Golf Area, about 40 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
395
Comment
CHSC104001
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2010-6-20
16819
Butte
Bottom of Wyandotte Creek, under the government pole line, about 1 mile east of Palermo Honcut Highway, Guidci Ranch, about 7 miles (air) southeast of Oroville.
47
Comment
CHSC117424
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2016-5-31
20904
Butte
About 1/8 mile east of Palermo Honcut Highway, Peter Ahart Ranch, about 2 1/4 miles north and 1/8 mile east of Honcut, about 12 miles (air) south of Oroville.
29
Comment
CHSC38278
Plagiobothrys stipitatus var. micranthus
Vernon Oswald
1983-4-20
356
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.). Along the edge of vernal pond.
85
Comment
CHSC43552
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
1979-5-20
1881
Butte
On the west side of the Western Pacific Railroad, about 2 miles south of Palermo.
30
Comment
CHSC87206
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2004-4-10
10730
Butte
Road gutter on the north side of Highway 149, about 1 mile northwest of the intersection of Highway 149 and Highway 70, about 6 miles (air) northwest of Oroville.
69
Comment
JEPS127037
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2016-5-31
20904
Butte
About 1/8 mile east of Palermo Honcut Highway, Peter Ahart Ranch, about 2 1/4 miles north and 1/8 mile east of Honcut, about 12 miles (air) south of Oroville.
Comment
RSA475191
Plagiobothrys stipitatus var. micranthus
Aaron Liston, S. Meury
1988-5-28
743 -3
Butte
15 km (air) SE of Chico. 1/4 mi. S of Pentz Rd., 1/8 mi. E of Hwy 99
55
Comment
SBBG128250
Plagiobothrys stipitatus var. micranthus
L. Ahart
2010-6-9
16786
Butte
ca. 100 yards W of a fence, ca. 0.5 mi S of the improved parking area and Cherokee Rd, N Table Mtn, ca. 5.5 mi NE of Oroville
398
Comment
CHSC40445
Planodes virginica
Lowell Ahart
1985-3-14
4846
Butte
Around vernal pools, in one of the pasture fields, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
50
Comment
CHSC96378
Planodes virginica
Lowell Ahart
2007-3-7
13586
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 1/10 miles east of Honcut, about 12 miles south of Oroville.
31
Comment
SEINET10968933
Plantago coronopus
Mary Susan Taylor
1982-4-28
Taylor 4346
Butte
T17N R1E se/s sec 13. Pennington quad. Graylodge Waterfowl Refuge, n side of Rutherford Rd, 1/8 mi w of Pennington Rd, ca. 12 mi sw of Gridley. 70 ft.
21
Comment
CHSC28636
Plantago erecta
M. S. Taylor
1979-3-31
1974
Butte
Jct of Pentz-Magalia Rd and Pentz Rd, se corner, ca. 1/4 mi w of Hwy 70, ca. 22 mi n of Oroville.
198
Comment
CHSC90827
Plantago erecta
Lowell Ahart
2005-5-2
11773
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
RSA0036649
Plantago erecta
Lowell A. Ahart
2012-4-9
17851
Butte
On the north side of South Rim Trail, west of the power lines, Upper Bidwell Park, about one mile (air) northeast of Chico.
143
Comment
UC1506095
Plantago erecta
Robert T. Clausen
1963-3-20
63009
Butte
s of Chico (low ridge e of Mutual Ditch, Sacramento River drainiage); Sacramento Valley, Sacramento River
57
Comment
UCD80496
Plantago erecta
CNPS SN Foothill Team
2005-4-14
SNFN 0033 c
Butte
Rock Ranch (private), in the NE corner of the horse pasture, ca. 10 m from the fence; west of the barn and house.
105
Comment
UCD124427
Plantago erecta
M. Jeanne Boze
1978-4-12
16
Butte
ca. 3 miles east of Chico on Humboldt Road. 1 mile northeast of Bruce Road intersection.
106
Comment
CHSC42550
Plantago lanceolata
Lowell Ahart
1987-5-6
5531
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.
274
Comment
SEINET9784516
Plantago lanceolata
Richard Carter
2006-7-30
Butte
N Chico, 0.3 mi N jct. Nord Hwy and Esplanade, between Esplanade and Hwy CA 99
Comment
CHSC25444
Plantago major
Hayes; Warner
1977-9-11
81
Butte
Exactly 9.0 mi from the junction of the Butte Meadows Rd (Humboldt Rd) with Hwy 32.
1249
Comment
JEPS124275
Plantago major
Lowell Ahart
2015-11-18
20663
Butte
About 1 1/2 miles southeast of intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley.
Comment
UC1609272
Platanthera leucostachys
Lowell Ahart
1993-6-26
7006
Butte
about 0.25 mi w Lost Creek Reservoir (on the n side of the dirt road)
1036
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
CHSC76953
Platystemon californicus
Ida Ryan
1893-4-1
Butte
Rancho Chico.
Comment
CHSC39940
Plectritis ciliosa
Lowell Ahart
1984-4-3
4538
Butte
Along North Honcut Creek, ca. 1 mile N and 2.7 miles E of Honcut; on Peter Ahart Ranch.
50
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
CHSC2457
Plectritis macrocera
R. Carter
1965-3-13
159
Butte
Found on North Table Mt. ca. 27 yds. SE of point where Old Cherokee Rd. comes over S rim of table.
304
Comment
JEPS119792
Plectritis macrocera
Lowell Ahart
2012-5-4
17994
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
CHSC73945
Pleuricospora fimbriolata
B. Castro; L. Gehrung
1998-6-23
795
Butte
Ca 4.5 air mi NNE of Brush Creek, ca 1 mi SE of Rogers Cow Camp, on W side of Oro-Quincy Hwy, on E side of SW-trending ridge overlooking Get-Up-and-Get Creek.
1191
Comment
UC600609
Pleuricospora fimbriolata
unknown
1926-6-21
409
Butte
Jonesville
Comment
CAS-BOT-BC244400
Poa annua
Lowell Ahart
1987-5-6
5559
Butte
Along the N Fork of the Feather RIver, near the Poe Power House, about 2 miles SE of Jarbo Gap
271
Comment
SEINET10593437
Poa annua
A. Arthur Heller
1914-3-28
Heller 11243
Butte
Chico.
Comment
CHSC105505
Poa bolanderi
Lowell Ahart
2010-9-21
17198
Butte
On damp humus, under firs, about 50 yards east of the poor dirt road, about 100 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrood Reservoir.
1917
Comment
CHSC31702
Poa bulbosa
L. Ahart
1974-4-11
380
Butte
Along North Honcut Creek. Peter Ahart Ranch, Honcut.
45
Comment
CAS-BOT-BC255973
Poa pratensis
Lowell Ahart
1980-5-17
2275
Butte
1/2 mile south-east of Hurleton
600
Comment
UC478556
Poa pringlei
E. B. Copeland
1931-6-22
606
Butte
the Summit Jonesville
2000
Comment
CHSC100913
Poa secunda subsp. secunda
R. A. Schlising; R. Banchero
1981-5-19
4061
Butte
Lumpkin Ridge, east of village of Feather Falls.
1280
Comment
CHSC25105
Poa secunda subsp. secunda
R. W. Wallstrum
1970-3-26
8
Butte
Lower side of dam at Magalia Reservoir, 8 mi from Paradise, on s side of road.
609
Comment
CHSC30517
Poa secunda subsp. secunda
N. E. H. Prouty
1980-4-5
106 .2
Butte
Field east side of Cohasset Rd., ca. 1/2 mi. north of the Chico Airport turnoff.
86
Comment
JEPS120577
Poa sierrae
L. P. Janeway
2013-5-20
11111
Butte
Northern High Sierra Nevada. Plumas National Forest; mid-slope North Fork Feather River canyon 0.8 air km west-northwest of Cresta Powerhouse, along Camp Creek Road 0.2 road km northeast of Dixie Road.
Comment
CHSC27839
Pogogyne douglasii
T. B. Devine
1977-5-22
402
Butte
Wurlitzer Farm.
57
Comment
CHSC772
Pogogyne douglasii
D. Bower
1953-7-16
Butte
4A Llano Seco.
30
Comment
CHSC26828
Pogogyne zizyphoroides
M. S. Taylor
1978-5-7
1613
Butte
Richvale vernal pool area, ca. 20 mi s of Chico on w side of Hwy 99.
30
Comment
JEPS118324
Polycarpon tetraphyllum
Lowell Ahart
2011-5-1
17338
Butte
North side of the intersection of Georgia Pacific Way and Feather River Blvd, about 100 yards east of Highway 70, about 1 mile south of Oroville.
42
Comment
CAS-BOT-BC167554
Polygala cornuta var. cornuta
C. R. Quick
1951-8-21
51 100 F
Butte
Near Lomo Junction
Comment
CHSC38612
Polygonum aviculare
Vernon Oswald
1983-5-31
596
Butte
Upper Bidwell Park, Chico, at the Rifle and Trap Range. Gowing in hard, disturbed soil of the parking lot.
103
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
CAS-BOT-BC109143
Polygonum bidwelliae
Roger Raiche
1986-5-3
60134
Butte
Between Chico and Paradise, Neal Road, ca. 4 miles east of State Route 99.
262
Comment
CHSC28155
Polygonum bidwelliae
J. D. Jokerst; Jim Nelson
1979-5-21
250
Butte
Abundant on thin soils atop the upper rim rock (Tuscan lava) of nw side of Little Chico Creek Canyon. Fifty yrds se of Hwy 32, 10 mi, n of Chico.
457
Comment
JEPS117267
Polygonum bidwelliae
Lowell Ahart
2010-5-14
16642
Butte
On the bottom of the old Humboldt Road, Disc Golf Area, about 150 yards north of the entrance to the Disc Golf Area, about 40 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico
395
Comment
UC398908
Polygonum bistortoides
E. B. Copeland
1929-7-20
357
Butte
Jonesville
1550
Comment
CHSC39043
Polygonum bolanderi
R. A. Schlising
1980-7-25
3916
Butte
N part of county, along Humboldt Road, 1.9 mi NE jct with highway 32 at Lomo.
1356
Comment
RSA781349
Polygonum bolanderi
Anna Kostikova, Glenn Litsios, Sarah Burgy
2010-7-1
148
Butte
Humboldt road.
Comment
CHSC29705
Polygonum californicum
J. D. Jokerst
1980-5-28
896
Butte
Top of North Table Mt., S of Cherokee Rd.
403
Comment
CHSC63714
Polygonum californicum
Lowell Ahart
1994-10-8
7549
Butte
Along North Rim Trail, near the double power lines, Bidwell Park, about 1 mile east of Chico.
152
Comment
CHSC71187
Polygonum californicum
Lowell Ahart
1998-6-9
7982
Butte
On dry dark rocky bare basalt, west of Cherokee Road, about 50 feet southwest of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
CAS-BOT-BC414369
Polygonum californicum
A. A. Heller
1916-10-22
12667
Butte
Canon of Chico Creek east of Chico
Comment
CHSC11918
Polygonum douglasii subsp. douglasii
E. B. Copeland
1930-7-24
630
Butte
Jonesville.
1500
Comment
JEPS110392
Polygonum douglasii subsp. douglasii
Lowell Ahart
2006-8-15
13189
Butte
East part of a large meadow with bogs, 5 yards west of Willow Creek, about 100 yards southeast of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows
1569
Comment
CHSC30897
Polygonum douglasii subsp. spergulariiforme
M. S. Taylor
1980-9-19
3338
Butte
Ca. 100 ft s of Coutelenc Rd, ca. 500 ft e of its jct with the Skyway, Magalia.
609
Comment
CHSC39082
Polygonum douglasii subsp. spergulariiforme
R. A. Schlising
1979-9-6
3486
Butte
Above Butte Meadows, along Humboldt Road, 1.5 mi S of Lassen National Forest and 1.1 mi N of road to Stirling City; in ditches at roadside.
Comment
SEINET10479654
Polygonum lapathifolium
Lowell Ahart
1990-10-3
Ahart 6613
Butte
On the north side of the East Fork of Canyon Creek, below the high water line of Lake Oroville, about 1/8 mile north-east of the Canyon Creek Bridge across Lake Oroville. Foothill Woodland (destroyed). T20N R5E SW/S16.
244
Comment
SEINET260317
Polygonum lapathifolium
Lowell Ahart
1986-11-9
5452
Butte
Ca 1/10 mi S of the clay burrow for Oroville Dam 1/4 mi ESW of Oroville 1/4 mi E of Larkin Rd
37
Comment
SEINET263346
Polygonum lapathifolium
Lowell Ahart
1990-10-3
6613
Butte
N side of the East Fork of Canyon Creek below the high water line of Lake Oroville ca 1/8 mi NE of the Canyon Creek br
244
Comment
CHSC105684
Polygonum polygaloides subsp. kelloggii
Lowell Ahart
2010-9-21
17211
Butte
Open meadow-like area, about 70 yards east of the poor dirt road, about 80 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir.
1917
Comment
CHSC31851
Polypodium calirhiza
L. Ahart
1974-3-8
311
Butte
Peter Ahart Ranch, Honcut.
45
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
JEPS107675
Polypodium calirhiza
Lowell Ahart, P. Maslin, S. Green, J. Guardino, J. Dittes
2005-2-6
11553
Butte
Big Chico Creek Ecological Reserve. At the base of Lovejoy Basalt cliffs, about 300 yards west of Highway 32, about 8 miles northeast of Chico
406
Comment
RSA795637
Polypodium calirhiza
L. Ahart
2012-2-22
17740
Butte
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 0.75 miles west of Highway 32, about 9 air miles northeast of Chico.
190
Comment
SEINET10530417
Polypodium glycyrrhiza
Mary Susan Taylor
1981-3-24
Taylor 3433
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
SEINET10899871
Polypodium glycyrrhiza
Mary Susan Taylor
1983-1-17
Taylor 5215
Butte
T20N R4E ne sec 6. Vicinity of mouth of Flag Canyon. On top of North Table Mt., ca. 8 mi n of Oroville. Elevation ca. 1225 ft.
373
Comment
UCD51663
Polypogon interruptus
H. F. Copeland
1923-1
s.n.
Butte
near Nelson.
Comment
SEINET10602418
Polypogon interruptus
A. Arthur Heller
1914-5-19
Heller 11419
Butte
Hills 8 miles north of Oroville.
Comment
UCD91194
Polypogon maritimus
A. A. Heller
1914-5-13
11398
Butte
Low adobe places near Butte creek between Durham and Nelson.
Comment
CHSC2178
Polypogon monspeliensis
H. Silberman; D. Isaac
1949-5-17
Butte
Drainage of Golf course reservoir, Chico.
91
Comment
CHSC45743
Polypogon monspeliensis
S. A. Conley
1986-6-16
40
Butte
2.1 mi. e of Oroville on hwy 162. Along rd.
Comment
CHSC6126
Polypogon monspeliensis
E. Parreno
1968-5-12
99
Butte
Left side of Upper Bidwell Rd. before junction with Rd. to Diversion Dam. Chico.
Comment
SEINET10960583
Polypogon monspeliensis
A. Arthur Heller
1902-5-15
Heller 556
Butte
Near Biggs
Comment
UCD136477
Polystichum californicum
G. F. Hrusa
1997-5-29
13794
Butte
Sierra Nevada, Plumas National Forest. Immediately above Sucker Creek, 1.5 miles SSE of Feather Falls.
720
Comment
JEPS124287
Polystichum imbricans subsp. curtum
Lowell Ahart
2015-10-23
20582
Butte
About 400 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown.
Comment
CHSC60945
Polystichum imbricans subsp. imbricans
Lowell Ahart
1993-6-26
7036
Butte
Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west of the Lost Creek Reservoir Dam.
1158
Comment
CHSC87877
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
JEPS110225
Polystichum imbricans subsp. imbricans
Lowell Ahart
2006-10-8
13442
Butte
About 10 yards below a granite bolder, on the southwest side of Highway 70, east of the North Fork of the Feather River, about 1/2 mile north of the Cresta Power House
609
Comment
UC1609398
Polystichum imbricans subsp. imbricans
Lowell Ahart
1993-9-13
7240
Butte
ca. 1 mi se Butte Meadows (dirt rd s side of Bolt Creek)
1325
Comment
CHSC28380
Polystichum kruckebergii
Robert A. Schlising; Marc P. Hayes
1978-6-24
3292
Butte
Extreme NW Butte County, just below summit of Humboldt Peak above Jonesville.
2133
Comment
CAS-BOT-BC76710
Polystichum lemmonii
V. Oswald; L. Ahart
1988-7-29
3655
Butte
Ca. 5 mi. (air) SE of Jonesville on the ridge running eastwards from the peak of Snow Mtn.
2097
Comment
SEINET10867041
Polystichum munitum subsp. nudatum
Mary Susan Taylor
1979-3-20
Taylor 1941
Butte
T21N R4E nw1/4 sec. 21. Cherokee Quad. Along old road on N side of Hwy 70 following West Branch of the Feather River, which begins at S side of bridge over N fork of Feather River, ca. 10 mi N of Oroville; limestone outcrops within Foothill Woodland.
305
Comment
UC176403
Populus fremontii subsp. fremontii
A. A. Heller
1913-4-4
10693
Butte
levee at Oroville; levee at Oroville
Comment
CAS-BOT-BC452107
Potamogeton crispus
M. S. Taylor
1979-10-2
2216
Butte
On e bank of Sacramento River at Chico Landing, ca. 5 mi w of Chico.
30
Comment
UCD138294
Potamogeton gramineus
W. H. Lang
1954-8-12
s.n.
Butte
Biggs Rice Experimental Station.
Comment
CDA818
Potamogeton illinoensis
L. Ahart
2001-6-3
8750
Butte
In shallow water on the W side of North Honcut Creek, Peter Ahart Ranch, about 1 mi N and 2 3/4 mi E of Honcut, about 12 mi SE of Oroville.
Comment
CHSC33656
Potamogeton natans
R. Schlising; J. Fuller, M. Merryman, K. Tarp
1981-7-28
4175
Butte
N of Inskip in NE part of county; Coon Hollow; in pond.
1752
Comment
CHSC49687
Potamogeton natans
Vernon Oswald
1987-4-30
2359
Butte
Butte Creek Reserve on the s side of Butte Creek, ne of the Skyway. In several ponds.
80
Comment
CHSC88252
Potamogeton nodosus
Lowell Ahart
2004-7-11
11227
Butte
On the northeast shore of Paradise Lake, about 1/4 mile southeast of Mosquito Creek, about 4 miles (air) southwest of Stirling City.
814
Comment
RSA754920
Potamogeton pusillus subsp. tenuissimus
Robert A. Schlising
2005-9-16
4463
Butte
East of Jonesville and east of Snag Lake, in Summit Lake.
1890
Comment
CHSC65478
Potamogeton pusillus var. tenuissimus
Vernon Oswald
1987-8-10
3209
Butte
Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. In the west lake.
1935
Comment
UC1562389
Potentilla drummondii subsp. bruceae
Vernon Oswald
1990-7-3
4342
Butte
ca 0.75 mi s Humbug Summit (ca 4.75 mi e of Jonesville, headwaters of the East Branch Willow Creek); e branch Willow Creek, s of Humbug Summit, e of Jonesville
1950
Comment
CHSC38646
Potentilla glandulosa subsp. glandulosa
Vernon Oswald
1983-5-8
449
Butte
Upper Bidwell Park, Chico, on the s bank of Lindo Channel ca. 200 ft downstream from Chico Creek.
79
Comment
CHSC40331
Poterium sanguisorba
Ahart; Jokerst
1985-5-10
4958
Butte
Near and on a small washed out dam across the east branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam.
320
Comment
CHSC38480
Prunella vulgaris var. lanceolata
Vernon Oswald
1983-6-14
686
Butte
Upper Bidwell Park, Chico, beside Yahi Trail e of Brown's Hole.
207
Comment
CAS-BOT-BC159827
Prunus avium
C. R. Quick
1953-8-11
53 -125
Butte
Rag Dump Meadow se. of Stirling City
Comment
CHSC27210
Prunus cerasifera
P. Moyer
1972-3-2
92
Butte
N bank of Chico Creek, 100 ft. from Esplanade Bridge.
60
Comment
CHSC38931
Prunus cerasifera
Vernon Oswald
1983-6-27
777
Butte
Upper Bidwell Park, Chico, on the n edge of Upper Park Rd. 0.2 mi e of the end of the pavement.
91
Comment
CHSC27231
Prunus serrulata
P. Moyer
1972-3-18
148
Butte
CSUC Campus. Front lawn Sociology Bldg.
60
Comment
CAS-BOT-BC151221
Prunus virginiana var. demissa
Lowell Ahart
1988-5-1
5980
Butte
On the south side of Big Bend Road, about 1/2 mile south of Jarbo Gap
609
Comment
CAS-BOT-BC357001
Pseudognaphalium luteoalbum
Lowell Ahart
1983-6-26
4151
Butte
Along the edge of Ponderosa Way, about 1 1/2 miles south-east of the East Fork of Canyon Creek, about 14 1/2 miles north-east of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way
575
Comment
SD1575
Pseudostellaria jamesiana
E. B. Copeland
1930-6-24
Butte
Jonesville
1500
Comment
JEPS119592
Pseudotsuga menziesii var. menziesii
Lowell Ahart
2012-2-22
17737
Butte
About 100 yards of Ten Mile House Road, about 3/4 mile west of Highway 32, about 9 miles (air) northeast of Chico.
Comment
CHSC29289
Psilocarphus oregonus
R. A. Schlising
1980-4-23
3574
Butte
Between Singer Creek and Cana-Pine Creek Road (Wurlitzer Ranch).
54
Comment
CHSC48191
Psilocarphus oregonus
Vernon Oswald
1987-4-15
2327
Butte
Butte Creek Reserve on the s side of Butte Creek e of Hwy 99 near the valve which regulates Durham Mutual Ditch.
68
Comment
JEPS122031
Psilocarphus tenellus
Lowell Ahart
2014-7-2
19545
Butte
About 200 yards north of the County Road, about one mile west of the intersection of County Road and Lumpkin Road, about 7 miles northeast of Feather Falls.
Comment
CHSC46336
Psilocarphus tenellus var. tenellus
Lowell Ahart
1989-5-23
6245
Butte
Along the edges of Avacado Road, about 1/2 mile west of the Oroville Bangor Highway, about 1 mile north-west of Bangor.
213
Comment
CHSC1618
Ptelea crenulata
V. Holt
1933-5-1
Butte
Forest Ranch.
548
Comment
UC109312
Ptelea crenulata
Mrs. R. M. Austin
jun 1879
263
Butte
Comment
CHSC44618
Pteridium aquilinum var. pubescens
Vernon Oswald
1983-7-26
915
Butte
Calif. Hwy 32, 11.8 mi n-e of Forest Ranch.
1158
Comment
CHSC39392
Pycnanthemum californicum
L. Ahart
1983-9-17
4436
Butte
Ca. 1/4 mi se of Sitrling City.
1100
Comment
SEINET516142
Pyracantha coccinea
Vernon H. Oswald
1998-11-4
9690
Butte
Butte Meadows Campground.
1326
Comment
UC600605
Pyrola asarifolia
E. B. Copeland
Jul 1929
Butte
Jonesville
487
Comment
CHSC71637
Pyrola dentata
Vernon H. Oswald
1998-8-11
9461
Butte
USFS 25N95 to Upper Wildcat Creek 0.3 mi north of Four Trees-Coyote Gap Rd.
1463
Comment
RSA0080631
Pyrola dentata
L. Ahart
2006-7-11
12943
Butte
100 yards south of Humboldt Road, about 1 3/8 miles (air) southwest of Butte Meadows.
1401
Comment
RSA0080634
Pyrola dentata
H. F. Copeland
1931-7-15
6167
Butte
Jonesville.
1600
Comment
UC474256
Pyrola picta
H. F. Copeland
1930-8-26
Butte
Jonesville, woods above hotel Jonesville
Comment
UC478488
Pyrola picta
E. B. Copeland
1931-7-15
669
Butte
Jonesville
Comment
SEINET10449210
Pyrola picta subsp. integra
Mary Susan Taylor
1977-8-17
Taylor 1483
Butte
Scattered in Red Fir Forest, at Humboldt Summit at Butte-Tehama County line, ca. 50-100 ft W of Old Humboldt Rd on Butte County side; with Arctostaphylos neva densis, Hackelia californica.
2134
Comment
CAS-BOT-BC105030
Quercus X morehus
Lowell Ahart
1976-7-15
s.n.
Butte
Near edge of North Honcut Creek, 2 miles N and 3 miles E of Honcut
200
Comment
CHSC92544
Quercus berberidifolia
L. P. Janeway; Matt Brown, Jamie Tuitele-Lewis
2005-4-12
8361
Butte
High Cascade Range. Plumas National Forest; 12 m from the northeast shore of Paradise Lake, about 485 m east-southeast of the uppermost tip of the lake.
777
Comment
UC762329
Quercus berberidifolia
R. F. Hoover
1938-8-2
4719
Butte
Chico to Paradise road
Comment
CHSC621
Quercus cerris
V. Holt
1963-9-5
Butte
N.W. corner of Bidwell mansion grounds.
Comment
SFV902
Quercus chrysolepis
M. L. Vincent
1960-7-8
57
Butte
Sierra Nevada Paradise. Across the road from 5330 Harrison Road.
515
Comment
CDA35902
Quercus douglasii
P. Akers
2002-5-5
s.n.
Butte
Northern California; Cherokee Rd & Thompson Flat Rd.
73
Comment
HSC32631
Quercus douglasii
Gary S. Lester
1974-4-20
101
Butte
Along Pentz Rd. 300 yds. S of intersection with Clark Rd.
76
Comment
CAS-BOT-BC86115
Quercus dumosa
A. A. Heller
1916-9-8
12649
Butte
Ten mile house E of Chico
Comment
CHSC32633
Quercus durata var. durata
M. S. Taylor; L. Hanson
1981-4-2
3476
Butte
Ca. 1/5 mi se of Ponderosa Way bridge over West Branch Feather River, in Genii Mine area, in steep serpentine slope, ca. 3/4 mi (downhill) ne of Magalia.
548
Comment
JEPS117323
Quercus lobata
Lowell Ahart
2010-6-12
16803 A
Butte
North side of the pond and table, at the old homestead, about 100 yards south of Ten Mile House Road, about 5/8 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico
249
Comment
CHSC98658
Quercus vacciniifolia
Robert F. C. Naczi; Anton A. Reznicek
2006-8-1
11392
Butte
Northernmost part of county, ca. 3.2 mi NNE of Jonesville, ca. 8 mi NE of community of Butte Meadows, N slopes of Humboldt Peak.
2080
Comment
UCD47409
Quercus vacciniifolia
J. I. Mallory
1970-8-20
380
Butte
3/4 mile north of Ramsey Bar, ca. 10 miles northeast of Stirling City, Butte County, California.
1402
Comment
CHSC81514
Quercus wislizeni
John W. Hunt
2000-4-16
Butte
On S side of Centerville Rd. ~2.5 miles E of Centerville cemetery and ~200 m E of bridge.
121
Comment
UC338639
Quercus wislizeni
Lemmon
Jun 1891
Butte
Bidwell's ranch
Comment
CHSC100496
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
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
CAS-BOT-BC378988
Ranunculus arvensis
Lowell Ahart
1977-4-28
s.n.
Butte
Honcut, Peter Ahart Ranch
50
Comment
CHSC1476
Ranunculus canus
Edna Caufield
1904-4-1
Butte
Richardson Spring Road.
83
Comment
SEINET10535965
Ranunculus canus
Mary Susan Taylor
1980-4-1
Taylor 2426
Butte
T22N R2E sc sec 25. In Foothill Savan nah, on bluffs above and S of Butte Creek, ca. 1/4 mi downstream from Honey Run Covered Bridge ca. 6 mi E of Chico.
183
Comment
CHSC101333
Ranunculus hebecarpus
Lowell Ahart
2009-4-22
15592
Butte
Along the Guardians Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
381
Comment
CHSC46846
Ranunculus muricatus
Kirsten Tarp
1983-4-3
256
Butte
S part of county at Bangor. In lawn in front of the Bangor fire station.
228
Comment
SEINET10535983
Ranunculus occidentalis var. ultramontanus
Mary Susan Taylor
1978-7-18
Taylor 1723
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
CHSC52693
Ranunculus orthorhynchus var. orthorhynchus
Kirsten Tarp
1983-7-31
316
Butte
S of Butte Creek House ca. 32 air miles ne of Chico; in meadow.
1828
Comment
CHSC31855
Ranunculus pusillus
L. Ahart
1980-5-10
2235
Butte
In farmed field, ca. 2.5 mi n and 1/10 mi e of Honcut. Peter Ahart Ranch, Honcut.
50
Comment
CAS-BOT-BC74264
Raphanus sativus
A. A. Heller
1923-10-13
13828 a
Butte
Along the highway near Richvale.
Comment
SEINET13946194
Rhamnus californica
A. A. Heller, H. E. Brown
1902-1
5468
Butte
Berry Canton, (Near Clear Creek)
Comment
CAS-BOT-BC59882
Rhamnus ilicifolia
Lowell Ahart
1989-5-10
6211
Butte
Near a dirt road, about 1/10 mi. nw. of the West Branch Bridge across Lake Oroville.
304
Comment
UC600525
Rhamnus rubra
H. F. Copeland
1930-7-26
1379
Butte
Jonesville
Comment
UC80127
Rhamnus rubra
Mrs. M. Austin
Jun 1896
642
Butte
n of Chico (Forest Ranch and mountains)
Comment
RSA4444
Rhamnus rubra subsp. obtusissima
E. B. Copeland
1931-7-28
657
Butte
Jonesville.
1650
Comment
CHSC65548
Rhododendron occidentale
L. P. Janeway
1995-6-28
4821
Butte
Top of Watson Ridge at junction of Roads 21N25; about 1.5 mi west of Kenebeck Ridge.
1249
Comment
UC455448
Rhododendron occidentale
Miss Kate Conger
1907-1
Butte
Brush Creek
Comment
CHSC59982
Ribes nevadense
Sharol Lindenstein
1989-3-26
7
Butte
Plumas Nat'l forest, Hwy 70, ca. 3.5 mi sw of Sugar Loaf Mt., 2 mi nw of Cresta Powerhouse.
701
Comment
CHSC1663
Ribes roezlii
J. Gulick
1929-3-10
Butte
Paradise.
609
Comment
UC600616
Ribes roezlii
E. B. Copeland
July, 1930
Butte
Jonesville
1600
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-BC198960
Ribes roezlii var. roezlii
Jim Riley
1923-3-23
s.n.
Butte
Forest above De Sabla
Comment
CHSC4250
Ribes roezlii var. roezlii
J. E. Bowlin
1967-3-24
33
Butte
0.3 mi NW of Cresta Powerhouse, Hwy 70.
Comment
JEPS119556
Ribes roezlii var. roezlii
Lowell Ahart
2012-2-22
17753
Butte
On the south side of Ten Mile House Road, about 1/4 miles west of Highway 32, about 9 miles (air) northeast of Chico.
Comment
CAS-BOT-BC362956
Rigiopappus leptocladus
A. A. Heller
1914-5-8
11372
Butte
Plateau above Clear Creek on the Paradise road. Clear Creek-Paradise grade
Comment
CHSC87547
Robinia pseudoacacia
R. D. Fischer
2004-3-5
70
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Found next to parking area at 10 Mile House Road leading into the park.
502
Comment
CHSC99658
Robinia pseudoacacia
H. Koeth; K. Schierenbeck
2007-2-27
Butte
Upper Bidwell Park (Green Gate), Hwy 32. UTM 10 609663E 4406233N.
454
Comment
RSA769677
Romulea rosea var. australis
Lowell A. Ahart
2009-3-25
15519
Butte
Open pasture field, Peter Ahart Ranch, about 1/2 mile north and 1 mile east of Honcut, about 12 miles south of Oroville.
34
Comment
CAS-BOT-BC74469
Rorippa curvisiliqua
H. F. Copeland
1920-7-11
59
Butte
Scotch John Meadow.
1828
Comment
UC1563271
Rorippa curvisiliqua
Lowell Ahart
1990-10-21
6641
Butte
about 1/2 mi w Gold Flat (below the high water line of Lake Oroville, about 1 mi n Nelson Bar Road); w of Gold Flat, Lake Oroville
213
Comment
CAS-BOT-BC74456
Rorippa curvisiliqua
Lowell Ahart
1979-5-20
s.n.
Butte
2 miles south of Palerma.
35
Comment
CHSC83025
Rorippa curvisiliqua var. occidentalis
Lowell Ahart
2002-10-17
9988
Butte
On the 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
SEINET260316
Rorippa curvisiliqua var. occidentalis
Lowell Ahart
1986-11-9
5451
Butte
Ca 1/10 mi S of the clay burrow for Oroville Dam 1/4 mi ESW of Oroville 1/4 mi E of Larkin Rd
37
Comment
CHSC113299
Rorippa curvisiliqua var. orientalis
Lowell Ahart
2014-4-9
19345
Butte
Bottom of a drying pond, about 100 yards west of the parking area, west end of West Liberty Road, about one mile (air) south of Colusa Highway, about 7 miles (air) southwest of Gridley.
19
Comment
CHSC36685
Rorippa curvisiliqua var. orientalis
R. E. Preston
1982-7-21
347 A
Butte
At roadside; ca. 1/4 mi se of Philbrook Reservoir.
1706
Comment
JEPS120616
Rorippa curvisiliqua var. orientalis
Lowell Ahart
2013-11-13
19230
Butte
Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam.
Comment
CHSC35750
Rorippa nasturtium-aquaticum
R. E. Preston
1982-5-19
288
Butte
In stream at edge of meadow; ca. 1/4 mi n of Fall River Campground.
1028
Comment
CHSC46483
Rorippa nasturtium-aquaticum
Lowell Ahart
1989-5-31
6332
Butte
On the bottom of a stream, north of the end of Truex Road, near Lake Oroville, about 1/4 mile north-west of the West Branch Bridge across Lake Oroville.
304
Comment
CHSC530
Rorippa nasturtium-aquaticum
R. M. Staley
1952-7-5
Butte
Butte Creek.
609
Comment
JEPS108924
Rorippa palustris var. occidentalis
Lowell Ahart
2005-12-11
12509
Butte
On the sides of small ditches, on the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Highway, about 2 1/4 miles (air) east of Biggs
30
Comment
CAS-BOT-BC74801
Rorippa palustris var. palustris
Lowell Ahart
1986-11-14
5458
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
JEPS120059
Rosa
Lowell Ahart
2012-6-9
18181
Butte
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.
Comment
CHSC1592
Rosa californica
R. M. Staley
1952-7-2
Butte
Honey Run.
182
Comment
JEPS115856
Rosa californica
Lowell Ahart
2009-8-3
16264
Butte
Near drainage below dam, about 100 yards west of the table at the old homestead and southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of
239
Comment
JEPS99061
Rosa californica
Lowell Ahart
2002-6-7
9709
Butte
On the north banks of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 12 miles (air) SE of Oroville.
36
Comment
POM89739
Rosa californica
C. C. Bruce
1897-05
1800
Butte
Fourteen mile house
Comment
SEINET4856098
Rosa pisocarpa subsp. ahartii
Unknown
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
UC1862497
Rosa pisocarpa subsp. ahartii
Barbara Ertter with Lowell Ahart
2006-8-1
18750 a
Butte
Black Bart Road 1.3 mi from lower junction with Forbestown Road, ca 10 airmiles ESE of Oroville
655
Comment
CHSC48872
Rubus parviflorus
Vernon Oswald
1984-5-23
1206
Butte
Calif. Hwy 70 at Heinz Creek, 0.5 mi n-e of Poe Power House. Near the creek.
463
Comment
SEINET10937266
Rubus vitifolius
Mary Susan Taylor
1976-4-4
Taylor 1061
Butte
Yellow Pine Forest, ca. 2-5 mi W of junction of Ponderosa Way and Hwy 32, ca. 2-10 ft N and S of Ponderosa Way, ca. 23 mi NE of Chico; with Sanicula bipinnata, Calochortus monophyllus.
488
Comment
CHSC102831
Rumex conglomeratus
Lowell Ahart
2009-6-18
15912
Butte
On the west side and bottom of the steep bank, about 10 yards west of the dredger piles along North Honcut Creek, about 2 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles southeast of Oroville.
59
Comment
RSA755421
Rumex dentatus
L. Ahart
2009-7-4
15998
Butte
West side of the gravel road, about 100 yards south of parking lot 3, Gray Lodge Waterfowl Management Area, about 6 air miles southwest of Gridley.
21
Comment
CHSC109612
Rumex pulcher
Lowell Ahart
2012-5-14
18049
Butte
Along the edges of the paved path, east side of the Deer Pen, between Tables 9 and 10, Lower Bidwell Park, Chico.
71
Comment
JEPS115726
Rumex stenophyllus
Lowell Ahart
2009-7-4
15996
Butte
On the sides of the road, near parking lot 18, Gray Lodge Waterfowl Management Area, about 7 miles (air) southwest of Gridley
19
Comment
CHSC38298
Sagina apetala
Vernon Oswald
1983-4-4
279
Butte
Upper Bidwell Park, Chico, on the north rim ca. 500 ft e of the power lines.
249
Comment
JEPS118328
Sagina apetala
Lowell Ahart
2011-4-28
17331
Butte
Along trail in the Disc Golf Area, about 130 yards north of the entrance to the Disc Golf Area, about 40 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico
398
Comment
JEPS113284
Sagina decumbens subsp. occidentalis
Lowell Ahart
2007-4-16
13673
Butte
On the south side of a small wash, about 100 yards east of North Honcut Creek, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles southeast of Oroville
63
Comment
SEINET5337060
Sagina decumbens subsp. occidentalis
B. Ertter, Jeffrey L. Strachan; L. Ahart
1980-5-7
3295
Butte
Peter Ahart Ranch ca 2-1/2 miles NNE of Honcut between Oroville and Marysville.
30
Comment
CHSC36073
Sagina procumbens
R. A. Schlising
1982-5-29
4228
Butte
Chico; State University campus on n side of Library.
Comment
JEPS88387
Sagittaria longiloba
Vernon H. Oswald and Lowell Ahart
1996-7-22
8087
Butte
on the e side of Tract 7.3, Sanctuary I in a roadside ditch s Refuge Headquarters (U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River); Sacramento River National Wildlife Refuge, Llano Seco Unit
32
Comment
UCD150366
Sagittaria montevidensis subsp. calycina
William Anderson
1964-8-15
s.n.
Butte
Richvale-Oroville Rd.
Comment
CAS-BOT-BC267091
Sagittaria sanfordii
Lowell Ahart
1987-10-22
5920
Butte
In shallow water in Madrone Lake, near the Oroville Quincy Highway
609
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
POM219139
Salix eastwoodiae
H. F. Copeland
1931-6-11
1544
Butte
Jonesville. Kirby Meadows.
1829
Comment
CAS-BOT-BC107963
Salix geyeriana
H. F. Copeland
1931-6-11
1546
Butte
Kirby Meadows, Jonesville
1828
Comment
JEPS119537
Salix gooddingii
Lowell Ahart
2012-4-20
17893
Butte
About 100 yards south of the intersection of South Rim Trail and and Ten Mile House Road, about 5/8 mile west of Highway 32, about 9 miles (air) northeast of Chico.
Comment
CHSC101146
Salix laevigata
Lowell Ahart
2009-5-15
15687
Butte
On the east side of Big Chico Creek, about 50 yards west Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west Highway 32, about 10 miles northeast of Chico.
203
Comment
CDA38779
Salix lasiandra var. lasiandra
L. Ahart, Linnea Hanson, Kaline Le Coq, Josephine Guardino
2012-4-27
17913
Butte
On the north side of the path, near table 14, on the north side of Centennial Avenue, Lower Bidwell Park, Chico.
Comment
CAS-BOT-BC106984
Salix lasiolepis
Lowell Ahart
1987-4-30
5492
Butte
along North Honcut Creek, about 2 1/2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville
67
Comment
CHSC108872
Salix lasiolepis
Lowell Ahart
2012-2-22
17749
Butte
Around the edges of the pond and on the east side of South Rim Trail, at the old homestead, about 5/8 miles west of Highway 32, about 9 miles (air) northeast of Chico.
259
Comment
CAS-BOT-BC125061
Salix ligulifolia
E. B. Copeland
1931-6-9
621
Butte
Jonesville, near the head of North Willow Creek
1550
Comment
CHSC94971
Salix melanopsis
Lowell Ahart
2006-10-14
13507
Butte
On the north side of North Honcut Creek, Peter Ahart Ranch, about 3/4 mile north and 2 1/2 miles east of Honcut, about 12 miles southeast of Oroville.
44
Comment
UC478534
Salix scouleriana
E. B. Copeland
1931-7-30
399
Butte
Jonesville
1550
Comment
CHSC6021
Sambucus mexicana
M. MacArthur
1968-6-19
242
Butte
NW end of bridge to PSA bld., Chico State College.
60
Comment
CHSC77423
Sambucus mexicana
Tim Stofer
1997-4-20
19
Butte
This plant was located on the east side of the trail 1/4 mi. from the head of the South Rim Trail off South Park Dr. in upper Bidwell Park.
76
Comment
UC426975
Sambucus racemosa var. microbotrys
E. B. Copeland
1930-7-12
480
Butte
above Jonesville (n brow of high ridge)
2100
Comment
CHSC2821
Sanicula bipinnata
David Prall
1965-3-14
6
Butte
Ca. 10 yds. from edge of cliff ca. 30 yds. from Neal Rd., 1 mile east of HW 99E.
Comment
CHSC28872
Sanicula bipinnata
M. S. Taylor
1980-3-1
2324
Butte
On w end of county dump on n side of Neal Rd, ca. 1 mi e of Hwy 99, ca. 7 mi s of Chico.
76
Comment
CHSC42660
Sanicula bipinnata
Vernon Oswald
1985-4-16
1721
Butte
Upper Bidwell Park, Chico, on the slope bordering the s side of the Golf Course.
121
Comment
CHSC87440
Sanicula bipinnatifida
R. D. Fischer; Jenny Marr
2004-4-2
104
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Collected along Guardian Trail south of Pine Trail junction.
396
Comment
UC726870
Sanicula bipinnatifida
A. A. Heller
1918-5-5
13015
Butte
Paradise
Comment
UCD72989
Sanicula bipinnatifida
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
SEINET10454570
Sanicula bipinnatifida
Mary Susan Taylor
1976-3-30
Taylor 1038
Butte
Ca. 15-50 ft E of Cherokee Rd, ca. 1 mi S of Cherokee, on N side of Table Mt; with Mimulus tricolor.
305
Comment
SEINET12120679
Sanicula bipinnatifida
M. S. Camp
1974-1
29
Butte
N side of Table Mountain, 6 mi N of Oroville
Comment
CHSC115282
Sanicula bipinnatifida var. flava
Lowell Ahart
2015-4-30
20118
Butte
About 1/4 miles south of Forbestown Reservoir Road, about 2 1/2 miles (air) northeast of Forbestown.
890
Comment
CHSC1981
Sanicula bipinnatifida var. flava
P. Delaplane
1965-5-4
59
Butte
At E end of Lake Concow on Concow Road.
1219
Comment
CHSC24934
Sanicula bipinnatifida var. flava
Brad R. Parker
1976-4-21
1
Butte
Ca. 1.7 mi ne of Oroville and Glen Drive on the ne side of Glen Circle Drive, after passing 19 Glen Circle Drive.
114
Comment
SD3414
Sanicula graveolens
E. B. Copeland
1931-6-22
Butte
Jones Creek, on ridge west of creek.
2100
Comment
UC478491
Sanicula graveolens
E. B. Copeland
1931-6-22
Butte
W of Jones Creek; Jonesville
2100
Comment
UC398939
Sanicula tuberosa
E. B. Copeland
1929-7-20
389
Butte
Jonesville
1550
Comment
SEINET10449183
Sarcodes sanguinea
Mary Susan Taylor
1981-5-29
Taylor 3818
Butte
T23N R7E nw/nw sec 29, Bucks Lake quad. Along Buckhorn Creek on S side, about midslope, ca. 200 ft W of 23N18.5, ca. 1 mi SW of Grizzly Mt, ca. 13 air mi NE of Pulga. Dense, shaded, moist Yellow Pine Forest; 5200 ft.
1585
Comment
CAS-BOT-BC436865
Saxifraga
Lowell Ahart
1975-3-18
s.n.
Butte
Peter Ahart Ranch, Honcut
45
Comment
UC1609159
Saxifraga californica
Vernon H. Oswald and Lowell Ahart
1993-3-24
5237
Butte
2 mi n of Pentz Road (e side of Dry Creek Canyon, n of the historical site of Pentz, on e side of secondary drainage entering Dry Creek); Dry Creek Canyon
243
Comment
SEINET10838427
Saxifraga fallax
Mary Susan Taylor
1979-5-4
Taylor 1989
Butte
Along Millsap Bar Road, 4 mi NE of its junction with Brush Creek Road, ca. 26 mi NE of Oroville; Yellow Pine Forest.
1006
Comment
CHSC114939
Scandix pecten-veneris
Lowell Ahart
2015-4-13
20040
Butte
Gold mined area on the south side of the road on the boat ramp, Vinton Gulch, about 10 miles (air) north of Oroville. Foothill Woodland.
307
Comment
CHSC2824
Scandix pecten-veneris
David Prall
1965-4-25
32
Butte
South side of Humbug Rd. 0.3 miles west of junction with Honey Run rd. (covered bridge).
198
Comment
CHSC3979
Scandix pecten-veneris
E. P. Parreno
1967-4-10
Butte
Ca. 400 yards upstream from Covered Bridge.
Comment
SEINET12121860
Scandix pecten-veneris
Unknown
1985-1
4875
Butte
along Table Mountain Boulevard, near Cambell Overflow, a little S of intersection of Hwy 70 & 149
100
Comment
UCD128062
Scandix pecten-veneris
B. Castro
1982-4-8
10
Butte
south side of Hwy 70, ca. 5 miles from junction of Hwys 70 and 149, ca. 9 miles northeast of Oroville.
146
Comment
RSA88186
Schedonorus pratensis
J. T. Howell
1951-6-26
27520
Butte
Big Bend Mt.
610
Comment
UCD50106
Schoenoplectus californicus
A. A. Beetle
1941-6-27
2739
Butte
Butte County, 4 miles north of Ruchvale, Rte 99E, irrigation ditch along roadside.
Comment
CAS-BOT-BC111653
Schoenoplectus mucronatus
Malcom A. Nobs; Stanley Galen [S. Galen] Smith
1949-7-29
1086
Butte
Weedy rice field, ca. 5 miles west of Richland.
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
CDA39131
Scirpus fluviatilis
Keith Rathbone
1953-6-19
s.n.
Butte
Richvale.
0
Comment
JEPS110301
Scirpus microcarpus
Lowell Ahart
2006-9-13
13314
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
SEINET11268263
Scirpus setaceus
Lowell Ahart
2000-7-11
8563
Butte
About 200 yards southeast of Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 6 1/2 miles (air) northeast of Feather Falls.; 0
1280
Comment
CHSC38147
Scribneria bolanderi
J. D. Jokerst
1983-5-12
1758
Butte
North Table Mountain.
Comment
CHSC6076
Scribneria bolanderi
B. Wilson
1968-4-19
177
Butte
2 mi s of Cherokee on Table Mountain.
Comment
JEPS104097
Scribneria bolanderi
Lowell Ahart
2003-4-10
10084
Butte
Along a small drainage, sw of the ''sunken area,'' on the top of South Table Mountain, ca 2 1/2 mi (air) n of Oroville.
310
Comment
CHSC27791
Scrophularia californica subsp. floribunda
Steven R. Johnson
1978-4-25
15
Butte
Ca. 22 km n of Chico, ca. 4.8 km s of Cohasset.
590
Comment
SFV3445
Scrophularia californica subsp. floribunda
M. L. Vincent
1962-4-17
199
Butte
Sierra Nevada At Pentz and Nelson Bar Roads. 5 miles south of Paradise.
330
Comment
CHSC43842
Scutellaria californica
B. Castro
1987-5-9
86
Butte
Just e of Cohasset Rd, 9.5 mi by road from Chico.
539
Comment
JEPS108982
Scutellaria californica
Lowell Ahart
2006-6-9
12658
Butte
On the north side of Bardees Bar Road, north of the small stream, on the east side of the large stream, about 1/8 mile northwest 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
SEINET10836980
Scutellaria californica
Mary Susan Taylor
1978-7-19
Taylor 1729
Butte
Cherry Hill Campground, on S side of Old Humboldt Road, ca. 2 mi SW of Jonesville.
1524
Comment
RSA0115081
Scutellaria siphocampyloides
Lowell A. Ahart
2013-5-27
18708
Butte
About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3.25 miles (air) southwest of Forbestown.
764
Comment
RSA3813
Scutellaria siphocampyloides
A. A. Heller
1927-5-30
14397
Butte
Chico Creek, east of Chico.
Comment
CHSC24648
Scutellaria tuberosa
S. Deaton
1976-4-14
16
Butte
Small population 1 7/8 mi n of Feather Falls parking lot, n side of Falls trail.
853
Comment
CAS-BOT-BC415020
Sedella pumila
A. A. Heller; H. E. Brown
1902-5-7
5486
Butte
Berry Canyon (near Clear Creek)
Comment
CHSC87435
Sedella pumila
R. D. Fischer
2004-3-28
98
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Collected along Guardian Trail. Located approx. 0.5 mile south of Pine Trail junction near drainage.
396
Comment
CHSC90098
Sedella pumila
Charlie Crannell
1991-4-22
11
Butte
Along side of Hwy 32, 4.1 mi northeast of Chico.
243
Comment
CHSC90602
Sedella pumila
Andrew D. Lane
1984-4-19
4
Butte
Salmon Hole, ca. 6.7 km ne of jct of Hwys 99 and 32, ca. 50 m n of Big Chico Creek.
115
Comment
SFV1575
Sedella pumila
M. L. Vincent
1962-4-15
192
Butte
Sierra Nevada Skyway. 4 miles west of Paradise, overlooking Butte Canyon.
215
Comment
HSC92528
Sedella pumila
Jeanne McFarland, Kathie Meyer, Anne Mullenniex
1995-4-9
30
Butte
On N Table Mtn., S of Paradise on Cherokee Rd., S end of Table Mtn. proper
381
Comment
UCD101999
Sedella pumila
Sue Wagener
1955-4-24
46
Butte
Elliot Spring Memorial on the Durham-Paradise Road.
Comment
JEPS26934
Sedum albomarginatum
P. C. Hutchison
1961-6-9
2101
Butte
w side Feather River Canyon (at Pulga Bridge, on steep serpentine cliffs); w side Feather River Canyon at Pulga Bridge
Comment
RSA0081477
Sedum spathulifolium
J. R. Shevock
1972-5-19
1784
Butte
N Fork Feather River Canyon. Hwy 70.
625
Comment
CAS-BOT-BC62125
Selaginella hansenii
Lewis S. Rose
1945-5-12
45039
Butte
Richardson Springs
304
Comment
CHSC28876
Selaginella hansenii
M. S. Taylor
1980-3-1
2346
Butte
Overlooking Hamlin Canyon, ca. 1/4 mi se of Elliot Spring House on Neal Rd, ca. 2 mi sw of Paradise.
301
Comment
CHSC42457
Senecio aronicoides
Lowell Ahart
1987-5-22
5670
Butte
About 1/8 mile south-east of Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
1280
Comment
CHSC86438
Senecio eurycephalus var. lewisrosei
Jenny Marr
1994-6-13
82
Butte
Located in Northern Sierra Nevada, north of the town of Magalia, on serpentine outcrop belonging to LNF. Site approx. 0.3 miles north of Magalia Reservoir.
759
Comment
CDA38817
Senecio sylvaticus
L. Ahart
2012-4-9
17832
Butte
On the high east bank of Big Chico Creek, west of the rock corral, east of the cement dam in Big Chico Creek, west of the South Rim Trail, south part of Upper Bidwell Park, about 2 miles (air) northeast of Chico.
Comment
CDA38819
Senecio sylvaticus
L. Ahart
2012-4-9
17843
Butte
On the basalt rim, high east edge of Big Chico Creek, about 20 yards west of the South Rim Trail, south part of Upper Bidwell Park, about 2 1/2 miles (air) northeast of Chico.
Comment
CHSC116987
Senecio sylvaticus
Lowell Ahart
2016-6-4
20939
Butte
On the east side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown.
732
Comment
JEPS94732
Senecio sylvaticus
Lowell Ahart
1998-6-3
7966
Butte
about 7 air mi n of Oroville (about 1/4 mi n of the cow chute along Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road
403
Comment
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
CAS-BOT-BC364549
Senecio vulgaris
Lowell Ahart
1969-3-27
s.n.
Butte
Peter Ahart Ranch, Honcut
150
Comment
JEPS98268
Setaria gracilis
Lowell Ahart
2000-5-17
8365
Butte
7 1/2 air miles W of Oroville (S margin of Thermalito Afterbay, N side of the poor dirt road, about 1/10 mi N of the Richvale Hwy, 1/2 mi E of Hwy 99)
42
Comment
CHSC116322
Setaria parviflora
Lowell Ahart
2015-10-16
20558
Butte
On the west side of the Feather River, about half way of and east of One Mile Pond, about 6 miles (air) east of Biggs.
26
Comment
CHSC45319
Setaria parviflora
Vernon Oswald
1988-10-29
3722
Butte
Chico Tree Improvement Center (former USDA Plant Introduction Station) in se Chico.
68
Comment
JEPS97334
Setaria parviflora
Lowell Ahart
1995-8-19
7615
Butte
12 mi S of Oroville (Peter Ahart Ranch; E side of North Honcut Creek; 1 mi N and 2 3/4 mi E of Honcut)
36
Comment
CHSC23130
Setaria pumila
M. S. Taylor
1975-10-3
929
Butte
At bridge over Little Chico Creek on River Rd, ca. 10 mi w of Chico.
36
Comment
CHSC84151
Sherardia arvensis
Lowell Ahart
2003-6-25
10315
Butte
In lawn, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
33
Comment
CHSC3519
Sidalcea calycosa
John Francis
1966-4-16
114
Butte
3.7 miles E. of covered bridge (Honey Run).
Comment
CHSC42239
Sidalcea calycosa
Steven Webster
1986-4-2
4
Butte
Large poulation, ca. 1 mi e of Chico.
76
Comment
CHSC48609
Sidalcea calycosa
Vernon H. Oswald
1984-4-1
1113
Butte
Humboldt Rd, about mid-way between El Monte and Bruce roads, Chico.
79
Comment
UC725427
Sidalcea calycosa
A. A. Heller
1942-5-27
16479
Butte
Clark Road , Clark Road (Clear Creek Schoolhouse)
Comment
POM84399
Sidalcea calycosa subsp. calycosa
C. C. Bruce
1897-03
1923
Butte
Chico.
Comment
SEINET11991651
Sidalcea hartwegii
Unknown
1976-1
6
Butte
10 yds S of Sky Way Rd, 6 mi E from junction of Hwy 99 & Sky Way Rd
366
Comment
CDA36507
Sidalcea hirsuta
Butte County Ag. Comm.
1961-5-1
Butte
Near Nelson.
0
Comment
CHSC50663
Silene antirrhina
Lowell Ahart
1990-4-28
6469
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
CHSC37434
Silene bernardina
R. A. Schlising
1982-8-1
4362
Butte
E. of Inskip and near Jones Meadow.
1734
Comment
SEINET10537657
Silene californica
Mary Susan Taylor
1981-4-5
Taylor 3495
Butte
T21N R4E ne sec 14; Berry Creek quad. At end of Dark Canyon Rd at turnout near restroom, ca. 3.5 mi s of Big Bend Rds, ca. 5 air mi s of Jarbo Gap on Hwy 70, n of Oroville. Foothill Woodland; 1000 ft.
305
Comment
JEPS110241
Silene gallica
Lowell Ahart
2006-5-8
12592
Butte
About 300 yards south of the three Gray Pines on the rim of Coal Canyon, about 2 miles northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville
336
Comment
CHSC214
Silene laciniata subsp. californica
R. M. Staley
1952-7-14
Butte
Butte Creek.
Comment
CAS-BOT-BC389288
Silene lemmonii
A. A. Heller
1914-6-22
11488
Butte
About Chico Meadows
1219
Comment
CHSC32665
Silene lemmonii
M. S. Taylor
1981-3-24
3436
Butte
S side of Hwy 70, ca. 1/2 mi w of Cresta Powerhouse, ca. 1.5 mi e of Pulga.
487
Comment
CHSC48268
Silene lemmonii
Vernon H. Oswald
1983-8-17
982
Butte
Humboldt Summit on Humboldt Rd, ca. 3.3 mi ne of Jonesville, at the junction of Butte, Tehama, and Plumas counties.
1999
Comment
CHSC3517
Sisyrinchium bellum
John Francis
1966-4-16
108
Butte
3.7 miles E. of covered bridge (Honey Run).
Comment
JEPS121916
Sisyrinchium bellum
Lowell Ahart
2014-7-10
19619
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
SBBG119799
Sisyrinchium bellum
L. Ahart
2006-7-16
12998
Butte
Willow Crk, ca. 0.75 air mi NW of Jonesville, ca. 5 air mi NE of Butte Meadows
1515
Comment
SEINET12051032
Sisyrinchium bellum
Unknown
1987-1
1072
Butte
Stirling City Quad, 7 km N of Inskip on Bull Hill Rd
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
JEPS110296
Solanum americanum
Lowell Ahart
2006-9-11
13296
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville
431
Comment
CHSC1933
Solanum elaeagnifolium
V. Holt
1931-6-1
Butte
Paradise.
548
Comment
CHSC42429
Solanum parishii
Lowell Ahart
1987-5-9
5599
Butte
Along Pulga Road, about 1/2 mile south-west of Bardees Bar along the North Fork of the Feather River, about 3 miles south-west of Pulga.
365
Comment
CAS-BOT-BC157538
Solanum umbelliferum
L. Ahart
1987-5-9
5599
Butte
Along Pulga Road, about 1/2 mile south-west of Bardees Bar along the North Fork of the Feather River, about 3 miles south-west of Pulga
365
Comment
CHSC36965
Solidago elongata
M. S. Taylor
1982-8-16
4988
Butte
S end of Stirling City, along both sides of the Skyway.
1036
Comment
CHSC41890
Solidago elongata
Lowell Ahart
1986-8-15
5385
Butte
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
CHSC26703
Solidago velutina subsp. californica
M. S. Taylor; M. Hayes, R. Schlising
1977-8-17
1455
Butte
On both sides of Hwy 32, ca. 6 mi s of Forest Ranch.
609
Comment
CHSC31610
Solidago velutina subsp. californica
L. Ahart
1978-8-30
1800
Butte
On banks of North Honcut Creek. Peter Ahart Ranch, Honcut.
50
Comment
UC829904
Solidago velutina subsp. californica
A. A. Heller
1916-9-23
12662
Butte
near Forest Ranch; Sierra <Nevada> foothills
Comment
CDA42873
Sonchus oleraceus
L. Ahart
2012-5-14
18061
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
CHSC9344
Sorghum halepense
B. Anthony
1968-5-8
513
Butte
2 miles E. of Hamilton City, Hwy. 32.
Comment
SEINET10933086
Sparganium emersum var. multipedunculatum
Mary Susan Taylor, Lowell Ahart
1981-8-16
Taylor 4195 A
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
CHSC30779
Spartium junceum
M. S. Taylor; L. Ahart, R. S. Schlising
1980-4-3
2751
Butte
Kunkle Reservoir, e side, ca. 1/4 mi e of Pentz-Magalia Hwy, ca. 2 mi s of Paradise.
441
Comment
CHSC84632
Spartium junceum
Matt Quinn
2001-4-29
49
Butte
Along creeks in the foothills of Butte County. Collected on gravel bar on Butte Creek approximately 1/4 mile downstream of Steel Bridge on Centerville Road.
158
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
CHSC225
Spergularia bocconi
V. Holt
1935-4-24
Butte
Roadside near Plant Gardens.
60
Comment
CHSC35001
Spergularia rubra
R. A. Schlising
1981-6-11
4073
Butte
N part of county, above Butte Meadows and SW of Cherry Hill Campground. Along Butte Creek.
Comment
CHSC42675
Sphenosciadium capitellatum
Vernon Oswald
1985-8-4
1920
Butte
Ca. 0.2 mi W of Humboldt Rd. at the bridge over Butte Creek S of Cherry Hill.
1414
Comment
UC426923
Sphenosciadium capitellatum
E. B. Copeland
1930-8-4
430
Butte
Jonesville
1500
Comment
JEPS110088
Spiraea douglasii
Lowell Ahart
2006-8-15
13184
Butte
East part of a large meadow with bogs, 15 yards west of Willow Creek, about 100 yards southeast of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows
1569
Comment
NY43529
Spiraea douglasii
S. Bianco
1995-9-17
1028
Butte
Near Camp Creek Rd, along Dogwood Creek
1098
Comment
CHSC92454
Sporobolus indicus
Lowell Ahart
2005-10-22
12462
Butte
Irrigated pasture, Daley Ranch, about 1 mile northeast of Honcut, about 13 miles south of Oroville.
34
Comment
SEINET13948162
Stachys
A. A. Heller
1915-1
11907
Butte
Near Cohasset, near the upper limit of the digger pine in the Sierra foothills
Comment
CHSC42980
Stachys ajugoides var. rigida
L. P. Janeway
1987-6-26
2315
Butte
SW end of Logue Meadows.
1325
Comment
CHSC84885
Stachys ajugoides var. rigida
R. D. Fischer
2003-6-22
2
Butte
Chico Meadows near Butte Meadows. South side of rd. 26N09 as it passes through northern end of mdw. Near fence line of Boy Scout Camp, Camp Lassen.
1280
Comment Read comments Jun 22 2007
CHSC52076
Stachys pycnantha
B. Castro
1988-6-5
261
Butte
Upper Little Chico Ck Cyn.
243
Comment
CHSC60609
Stachys pycnantha
L. P. Janeway
1992-6-13
4235
Butte
Along Piute Drive, ca 1/4 mi east of Dark Canyon Road and ca 1/2 mi south of Parkhill and Big Bend Road.
594
Comment
UC1563286
Stachys pycnantha
Lowell Ahart
1990-10-3
6615
Butte
East Fork of Canyon Creek, below the high water line of Lake Oroville, about 1/4 mi northeast of the Canyon Creek Bridge across Lake Oroville.
259
Comment
SEINET10537441
Stellaria
Mary Susan Taylor, Lowell Ahart
1981-8-16
Taylor 4198
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
UC1594589
Stellaria crispa
Lowell Ahart
1992-6-26
6782
Butte
about 0.5 mi nw Merrimac (on the e side of Rogers Cow Camp)
1219
Comment
CHSC46556
Stellaria longipes var. longipes
Vernon H. Oswald
1989-7-15
3858
Butte
Meadow at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. Along a drainage on the sw corner of the meadow.
1767
Comment
CHSC112349
Stellaria media
L. P. Janeway
2014-4-9
11221
Butte
Northern High Sierra Nevada. Plumas National Forest; along Road 22N12Xwhere it crosses Peavine Creek just below the confluence of Coon Creek; French Creek Basin.
762
Comment
CHSC39071
Stellaria media
R. A. Schlising
1983-3-20
4399
Butte
Richvale Vernal Pools, 0.25 mile south of junction with Highway 162 to Oroville, along Highway 99 and across from Thermalito Afterbay. Near fences.
Comment
CAS-BOT-BC395118
Stellaria nitens
Lowell Ahart
1983-3-28
3907
Butte
about 1/2 mile SW of the Forbestown Res., along the road where tere is a serpentine slide area, about 4 miles NE of Forbestown
450
Comment
UC478522
Stellaria obtusa
E. B. Copeland
1931-7-19
636
Butte
Butte Creek Jonesville (Jonesville)
1500
Comment
CHSC108987
Stellaria pallida
Lowell Ahart
2012-4-30
17943
Butte
On large rocks, on the north side of Bloody Pin Trail, west of Guardian Trail, about 1/2 mile west of Highway 32, about 7 1/2 miles northeast of Chico, south part of Upper Bidwell Park.
317
Comment
CHSC70721
Stellaria pallida
Vernon Oswald
1998-3-11
8887
Butte
Northern Sacramento Valley. Wurlitzer Unit, Vina Plains Preserve. Along the north fence line just east of gate on Haille Rd.
57
Comment
CHSC38392
Stephanomeria exigua subsp. macrocarpa
Vernon Oswald
1983-7-3
801
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1.2 mi e of the power lines.
280
Comment
CHSC46971
Stephanomeria exigua subsp. macrocarpa
Lowell Ahart
1980-7-20
2470
Butte
Along the edge of the abandoned paved road on the north side of the Suspension Bridge across Lake Oroville, north of Oroville.
304
Comment
CHSC62532
Stephanomeria lactucina
B. Castro; R. A. Schlising, L. P. Janeway, P. Broyles
1987-7-19
151
Butte
Coon Hollow, 1.0 mi SE of the Humbug Summit Rd.
1676
Comment
JEPS87514
Stephanomeria lactucina
Lowell Ahart
1993-7-22
7071
Butte
w side of dirt road about 1/4 mi nw Camp 18 (about 5 air mi ne of Feather Falls)
1219
Comment
CHSC112780
Stipa lemmonii var. lemmonii
Lowell Ahart
2013-5-27
18714
Butte
On the east side of Black Bart Road, about 3/4 mile (by road) southwest from the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown.
731
Comment
SEINET8078260
Stipa lemmonii var. lemmonii
R. McKee
1918-5-12
s.n.
Butte
Magalia.
Comment
SEINET11991589
Streptanthus campestris
Unknown
1983-1
4434
Butte
ca 2.5 mi S of Stirling City
1100
Comment
CAS-BOT-BC87030
Streptanthus drepanoides
R. E. Preston
1982-4-22
254
Butte
Ca. 0.6 mile ESE of Kunkle Reservoir, on west Branch Feather River arm of Lake Oroville, ca. 4.5 mile SE of Paradise.
280
Comment
CAS-BOT-BC87441
Streptanthus polygaloides
Clarence R. Quick
1964-7-9
64 -54
Butte
Sierra Nevada. North of Jarbo Gap.
Comment
CHSC33177
Streptanthus polygaloides
R. E. Preston; L. E. Preston
1981-5-25
70
Butte
Ca. 320 m n of the jct of the Skyway and Coutelenc Rd., Magalia.
700
Comment
CHSC36692
Streptanthus tortuosus
R. E. Preston
1982-5-18
284
Butte
On s side of Forbestown reservoir, ca. 4 mi ne of Forbestown.
579
Comment
RSA636061
Streptanthus tortuosus
Michael A. Vincent, Ethan H. Freid, Don Banks
1998-4-5
8101
Butte
Table Mountain. Portion south of Beatson Hollow.
Comment
SEINET10448521
Streptanthus tortuosus
Mary Susan Taylor
1980-5-27
Taylor 2700
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
CHSC103935
Streptanthus tortuosus var. suffrutescens
Lowell Ahart
2010-5-16
16695
Butte
Basalt cliffs, about 1/2 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
364
Comment
CHSC61652
Streptopus amplexifolius var. americanus
Lowell Ahart
1993-9-13
7232
Butte
On the banks of Bolt Creek, about 1 mile south-east of Butte Meadows.
1325
Comment
UCD138355
Stuckenia pectinata
Herbert L. Mason; Verne Grant
1946-8-8
13000
Butte
Reclamation Ditch 833 on West Gridley Road near Pennington Road.
Comment
CHSC37654
Styrax officinalis var. redivivus
T. B. Devine
1981-8-25
757
Butte
Beside Hwy 70 near Bear Ranch Creek, along N fork of Feather River near Cresta.
426
Comment
CHSC52375
Styrax officinalis var. redivivus
L. P. Janeway
1989-5-17
3255
Butte
Along rd to Forbestown Diversion Dam 2.5 mi from Forbestown Rd. Single small shrub at top of cutbank.
845
Comment
RSA126018
Styrax redivivus
E. K. Balls
1957-5-22
22509
Butte
Pulga, US Hwy 40 alt., Oroville to Quincy.
488
Comment
JEPS123968
Symphoricarpos mollis
Lowell Ahart
2015-7-4
20270
Butte
About 3/4 mile west of the intersection of Lumpkin Ridge Road, road to Cascade or Fall River and County Road, about 7 (air) miles northeast of Feather Falls.
Comment
RSA428888
Symphoricarpos mollis
H. F. Copeland
1928-8-14
97
Butte
Jonesville, near Jones Creek.
1524
Comment
CHSC109791
Symphyotrichum bracteolatum
Lowell Ahart
2012-10-20
18492
Butte
About 50 yards west of Table 4, west of Cedar Grove, Lower Bidwell Park, Chico.
68
Comment
CAS-BOT-BC97694
Symphyotrichum chilense
Lowell Ahart
1986-11-9
5433
Butte
along the edge of the Oroville Quincy Highway, near the Berry Creek School
518
Comment
CHSC116339
Symphyotrichum chilense
Lowell Ahart
2015-11-18
20657
Butte
On the west side of the Feather River, about 1/2 mile south of Palm Avenue, about 1 1/2 miles southeast of the intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley.
26
Comment
CHSC69670
Symphyotrichum spathulatum var. spathulatum
Vernon H. Oswald
1987-7-16
3122
Butte
West Branch of the Feather River upstream of where it crosses the road to Jones Meadow, ca. 1 mi (air) NE of Inskip.
1341
Comment
CAS-BOT-BC98372
Symphyotrichum subulatum var. parviflorum
A. A. Heller
1923-10-13
13828
Butte
About the rice fields near Richvale
Comment
UCD136695
Symphyotrichum subulatum var. parviflorum
Herbert L. Mason; Verne Grant
1946-9-4
13102
Butte
Colusa Gun Club. Butte Sink.
Comment
CAS-BOT-BC221935
Taeniatherum caput-medusae
John Thomas Howell
1967-6-22
42628
Butte
Magalia
701
Comment
SEINET11688675
Taeniatherum caput-medusae
T. B. Devine
1980-1
608
Butte
beside Horseshoe Lake in Bidwell Park, Chico
Comment
CHSC46812
Tanacetum parthenium
R. A. Schlising; P. Broyles
1988-7-3
4567
Butte
SE of Stirling City, past 'Five Corners' at small streamside and roadways in logging slash.
Comment
UCR7828
Taxus brevifolia
Wm. Horn Jr.
1964-6-24
640624- 01
Butte
9 mi east of De Sabla
1159
Comment
CHSC42042
Tellima grandiflora
Lowell Ahart
1986-5-20
5278
Butte
Near the edge of the road that goes to the Forbestown Reservoir, about 1mile south-west of the Forbestown Reservoir, about 3 1/2 miles north-east of Forbestown.
609
Comment
RSA32934
Tellima grandiflora
A. A. Heller
1938-5-28
15127
Butte
Along the Feather River Hwy in granite near Pulga.
421
Comment
SEINET10937208
Tellima grandiflora
Mary Susan Taylor, Vernon H. Oswald
1985-5-30
Taylor 5510
Butte
Trees Road between Hwy 70 and Coyote Gap, ca. 25 air mi NE of Oroville. Yellow Pine Forest.
Comment
CHSC45802
Thalictrum fendleri
Kirsten Tarp
1983-7-28
311
Butte
N part of county at Chico Meadows.
1295
Comment
SEINET10535993
Thalictrum fendleri
Mary Susan Taylor
1978-7-19
Taylor 1738
Butte
Cherry Hill Campground, on S side of Old Humboldt Road, ca. 2 mi SW of Jonesville.
1524
Comment
CAS-BOT-BC88202
Thysanocarpus curvipes
A. A. Heller
1915-4-20
11855
Butte
Chico-Centers road 3 miles from Chico.
Comment
CAS-BOT-BC88216
Thysanocarpus curvipes
Lowell Ahart
1979-4-3
s.n.
Butte
Peter Ahart Ranch. Honcut.
50
Comment
CHSC90251
Thysanocarpus curvipes
Eric M. Haney
1989-4-23
19
Butte
Found on e side of Hwy 32, ca. 7.5 km s of Forest Ranch. Ridge top.
Comment
UC857556
Thysanocarpus curvipes
A. A. Heller
1915-5-25
11899
Butte
Mt. Ida ranch 10 mi e Oroville; Sierra foothills
457
Comment
CHSC35747
Thysanocarpus curvipes var. elegans
R. E. Preston
1982-4-29
269
Butte
At side of Hwy 70, ca. 0.2 mi s of Butte/Plumas Co. line.
487
Comment
UC195475
Tonella tenella
A. A. Heller
1914-3-12
11197
Butte
e of Chico (in canyon of Big Chico Creek)
68
Comment
CHSC21056
Torilis arvensis subsp. arvensis
M. S. Taylor
1975-6-30
818
Butte
Ca. 1/2 mi w of Cohasset Hwy, ca. 400 yds n of Greenwood Store, Cohasset.
853
Comment
CHSC42682
Torilis arvensis subsp. arvensis
Vernon Oswald
1985-6-24
1863
Butte
Doe Mill Rd. 0.4 mi w of Butte Creek.
682
Comment
SEINET10454777
Torilis heterophylla
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4111
Butte
T21N R5E se/se sec 32. Ca. 1/8 mi e of jct of Oroville-Quincy Hwy & Ponderosa Way (Big Ridge Rd), ca. 15 mi ne of Oroville. Foothill Woodland.
500
Comment
CHSC82414
Torilis nodosa
Lowell Ahart
2002-5-7
9608
Butte
High banks of a pond, at the beginning of a southeast branch of Schirmer Ravine, about 50 yards east of the pond on the east side of Cherokee Road, North Table Mountain, about 4 miles (air) north of Oroville.
228
Comment
SEINET10905239
Torreya californica
Mary Susan Taylor
1981-4-28
Taylor 3568
Butte
T22N R5E nw/ne sec 27, Berry Creek quad. Ca. 1/10 mi N of Rd 23N28.2, ca. 500 ft E of Chino Creek, ca. 4 air mi e of Jarbo Gap, ca. 23 air mi NW of Oroville. Yellow Pine Forest; 2800 ft.
853
Comment
CHSC61656
Torreyochloa pallida var. pauciflora
Lowell Ahart
1993-9-13
7234
Butte
In Bolt Creek, about 1 mile south-east of Butte Meadows.
1325
Comment
JEPS106345
Torreyochloa pallida var. pauciflora
Lowell Ahart
2004-8-2
11329
Butte
In small stream, small bog in large meadow, ca. 200 yd E of Keyser Creek, on N side of the dirt County Rd, ca. 3/4 mi (air) NE of Oak Point, ca. 1/2 mi (air) W of Big Kimshew Creek, ca. 1 3/4 mi SE of Bald Mountain
1452
Comment
UCD93192
Torreyochloa pallida var. pauciflora
August L. Hormay
1929-6-28
s.n.
Butte
Chico Meadows.
Comment
CAS-BOT-BC172927
Toxicodendron diversilobum
A. A. Heller
1914-3-19
11211
Butte
[Canon] Canyon of Big Chico Creek
76
Comment
CHSC36832
Toxicodendron diversilobum
Neal Schaeffer
1982-4-19
4
Butte
Hwy 32, 3km n of Humboldt Rd/Hwy 32 junction.
425
Comment
RSA28826
Toxicodendron diversilobum
A. A. Heller
1916-4-13
12321
Butte
Stilson Canyon east of Chico
Comment
CHSC2325
Toxicoscordion fremontii
R. Carter
1965-2-13
145
Butte
Found 0.6 mi. from Grubbs Rd. on Reservoir Rd. on s side of road.
121
Comment
CHSC110257
Toxicoscordion paniculatum
L. P. Janeway
2012-6-2
10836
Butte
Northern High Sierra Nevada. Plumas National Forest; eastern slope of Bloomer Hill, 1.0 air km east of the top.
701
Comment
CHSC2327
Toxicoscordion venenosum var. venenosum
D. Smith
1935-5-24
Butte
Honey Run.
243
Comment
SEINET10454896
Trachelospermum jasminoides
Mary Susan Taylor
1975-6-22
Taylor 789
Butte
California State University, Chico, campus.
61
Comment
CHSC43029
Trautvetteria caroliniensis var. occidentalis
L. P. Janeway
1987-6-20
2265
Butte
Along Fall River ca 2 mi straight line from Camp Eighteen.
1173
Comment
CHSC52081
Trichostema lanceolatum
B. Castro
1987-10-3
232
Butte
E side Cherokee Rd, nr old horse pastures within Foothill Woodland just off of N Table Mtn.
213
Comment
CHSC812
Trichostema lanceolatum
V. Holt; M. Underhill
1952-7-21
Butte
Foothills near Chico.
60
Comment
RSA460854
Trientalis latifolia
Michael A. Vincent
1962-4-18
208
Butte
3 miles E of Countolenc Road at Whiskey Flats near Feather River
Comment
SEINET10449631
Trientalis latifolia
Mary Susan Taylor
1979-5-4
Taylor 1984
Butte
T21N R6E sec 10. Millsap Bar Campground, ca. 9 mi NE of junction of Millsap Bar Road with Brush Creek Road, ca. 26 mi NE of Oroville; Yellow Pine Forest with limestone outcrops.
1006
Comment
CHSC115006
Trifolium
Lowell Ahart
2015-3-14
19951
Butte
South side of Beatson Hollow, south of where the small stream flows into the stream on the bottom of Beatson Hollow, about 1 1/4 miles (air) northwest Cherokee Road, about 7 miles (air) north of Oroville.
302
Comment
RSA325142
Trifolium albopurpureum
M. S. Taylor, V. Oswald, B. Taylor
1984-4-4
5389
Butte
S side of Humbug Rd, 3.1 mi W of Nimshew, ca 10 airmiles NE of Chico.
Comment
CHSC113520
Trifolium breweri
Lowell Ahart
2014-7-7
19600
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1664
Comment
CHSC31152
Trifolium breweri
M. S. Taylor
1978-7-19
1778
Butte
On e side of Upper Scotts John Rd, ca. 2 mi n of its jct with Scotts John Rd, ca. 6 mi ne of Jonesville.
1889
Comment
CHSC113920
Trifolium ciliolatum
Lowell Ahart
2014-5-13
19464
Butte
Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 100 yards west of the poor parking area, about 30 yards east of McCabe Creek, about 11 miles (air) east of Oroville.
244
Comment
CHSC33562
Trifolium ciliolatum
M. S. Taylor
1981-5-5
3607
Butte
On e side of Lumpkin-LaPorte Rd, 1 mi n of Enterprise bridge over south fork Feather River, ca. 10 mi e of Oroville.
457
Comment
CHSC40424
Trifolium ciliolatum
Ahart; Jokerst
1985-5-10
4950
Butte
Along the east branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam.
320
Comment
JEPS102323
Trifolium ciliolatum
Lowell Ahart
2001-4-14
8720
Butte
2 mi N and 2 1/2 mi E of Honcut (12 mi SE of Oroville)
60
Comment
RSA713023
Trifolium ciliolatum
L. Ahart
2006-5-10
12629
Butte
On the north side of the dirt road, Bardees Bar Road, about 4 miles (air) southwest of Pulga.
445
Comment
UC398656
Trifolium ciliolatum
A. A. Heller
1926-4-21
13924
Butte
7 mi n Chico (along Rock Creek)
Comment
SEINET12162061
Trifolium depauperatum
D. I. Rasmussen
1975-1
22
Butte
6 mi NE of Oroville, W off Cherokee Rd., ca North Table Mountain
381
Comment
SEINET7072744
Trifolium depauperatum var. amplectens
A. G. Vestal
1963-5-9
s.n.
Butte
About 3.5 miles north of Oroville. Coordinate datum WGS 84/NAD83. (UTM Zone 10, 623209mE, 4374845mN. Coordinate datum: NAD 27.)
Comment
CHSC114955
Trifolium depauperatum var. depauperatum
Lowell Ahart
2015-3-27
19981
Butte
About 3/8 mile northeast of CoalCanyon Falls, about 1-1/8 miles (air) northwest of the improved parking area, North Table Mountain, about 8 miles north of Oroville.
388
Comment
CHSC31347
Trifolium depauperatum var. depauperatum
Roberta A. Boer
1980-4-13
6
Butte
Ca.1/4 mile w of Foothill Blvd. and 2.7 mi se of jct of Olive Hwy and Foothill Blvd., ca. 3.5 mi se of Oroville.
121
Comment
CHSC4180
Trifolium depauperatum var. depauperatum
Kathy Sommarstrom
1967-3-25
8
Butte
Found at Salmon Hole, Bidwell Park, to the right of trail, 100 yds from road.
76
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
CHSC99326
Trifolium hirtum
Lowell Ahart
2008-5-12
14760
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
JEPS119701
Trifolium hirtum
Lowell Ahart
2012-5-2
17975 -A
Butte
West of the Government Pole Line, Upper Bidwell Park, about 3/4 mile east of Chico.
Comment
CHSC43937
Trifolium incarnatum
Vernon Oswald
1988-4-27
3286
Butte
Hwy 99 along the Thermalito Afterbay at Hwy 162 (west).
33
Comment
RSA0003654
Trifolium jokerstii
Michael A. Vincent, Robert M. Rhode, Jim Snowden
1996-3-29
7227
Butte
North Table Mountain, W of Cherokee Rd. N of Oroville. S side of Beatson Hollow, from center to west edge of butte.
Comment
UCSC010671
Trifolium melananthum
Lowell Ahart
2015-6-6
20207
Butte
About 1/4 mile northwest of the old large parking area on North Table Mountain, about 7 air miles north of Oroville.
332
Comment
JEPS108858
Trifolium microcephalum
Lowell Ahart
2006-5-10
12613
Butte
Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga
354
Comment
CHSC30643
Trifolium obtusiflorum
M. S. Taylor
1979-8-4
2179
Butte
Ca. 1 mi n of Cresta Powerhouse on Hwy 70, ca. 30 mi n of Oroville.
487
Comment
JEPS87708
Trifolium oliganthum
Lowell Ahart
1994-4-16
7283
Butte
ca 12 mi se Oroville (steep e slope of w side of North Honcut Creek, Peter Ahart Ranch, ca 1 1/4 mi n and 2 3/4 mi e of Honcut)
45
Comment
CHSC38150
Trifolium subterraneum
J. D. Jokerst
1983-5-12
1762
Butte
Top of North Table Mt., north of Cherokee Rd.
Comment
CHSC90639
Trifolium tomentosum
Lowell Ahart
2005-4-2
11690
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
SEINET10451928
Trifolium tridentatum var. aciculare
Lowell Ahart
1985-4-21
Ahart 4882
Butte
Along the sides of Wyandotte Creek, south of Central House Road, north-west of Honcut, about 12 miles south of Oroville, Butte County.
Comment
CHSC98964
Trifolium variegatum
Lowell Ahart
2008-5-12
14748
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
CHSC38532
Trifolium variegatum var. major
Vernon Oswald
1983-3-31
240
Butte
Upper Bidwell Park, Chico, near Yahi Trail and Parking Area M (1.2 mi e of the powerlines).
146
Comment
CHSC91000
Trifolium variegatum var. major
Lowell Ahart
2005-5-7
11790
Butte
East of a very small stream, Peter Ahart Ranch, about 2 miles north and 2 1/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
54
Comment
UC725681
Trifolium variegatum var. melananthum
A. A. Heller
1938-4-14
15035
Butte
Table Mtn
Comment
RSA256668
Trifolium variegatum var. melananthum
Linda M. Barker
156
Butte
Table Mountain.
305
Comment
CHSC115162
Trifolium variegatum var. variegatum
Lowell Ahart
2015-6-6
20199
Butte
Open pasture field, about 50 yards southeast of the old large parking area on North Table Mountain, about 7 miles (air) north of Oroville.
378
Comment
SEINET10895574
Trifolium variegatum var. variegatum
A. Arthur Heller
1913-4-6
Heller 10710
Butte
Hills near Big Chico creek, east of Chico.
Comment
CHSC87214
Trifolium willdenovii
Lowell Ahart
2004-4-4
10723
Butte
About 300 yards east of Wilber Road, southeast of the high hill crossed by Wilber Road, cattle pasture, about 3 miles (air) west of Thermalito.
48
Comment
POM253304
Trifolium willdenovii
A. A. Heller
1938-5-4
15059
Butte
At the Covered Bridge on Butte Creek east of Chico.
91
Comment
UCSB45761
Triglochin scilloides
Reisentz, Paul
1979-5-13
Butte
1 mile south on Derrick Road from Cherokee Road, 6 miles north on Derrick Road from Table Mt. Road
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
CHSC26428
Triphysaria eriantha
Gary McGrath
1977-3-3
4
Butte
Ca. 20 m w of Cohasset Road, 8.4 km n of Chico.
75
Comment
SD111924
Triphysaria eriantha subsp. eriantha
Barbara Ertter, Jeff Strachan
1980-5-5
3263
Butte
Peter Ahart Ranch ca 1 1/2 mi northeast of Honcut between Oroville and Marysville, pasture north of house
29
Comment
SEINET13748734
Triphysaria eriantha subsp. eriantha
R. R. Halse
2001-5-28
5974
Butte
Along State Hwy. 99, 2.3 miles south of its junction with State Hwy. 149, near Gold Creek
40
Comment
CHSC1833
Triphysaria pusilla
R. Carter
1965-4-12
180
Butte
Found at 6120 W. S. R., Oroville, 10 yds. from house on W side of driveway.
274
Comment
CHSC44179
Trisetum canescens
V. Oswald; L. Ahart
1988-7-26
3632
Butte
Snow Mt. region located ca. 6 air mi se of Jonesville.
2026
Comment
SEINET223501
Triteleia hyacinthina
Barbara Ertter, Lowell Ahart; Jeff Strachan
1980-5-6
3276
Butte
Peter Ahart Ranch about 2.5 miles north-northeast of Honcut between Oroville and Marysville
30
Comment
CAS-BOT-BC521604
Triteleia hyacinthina
A. A. Heller; H. E. Brown
1902-5-5
5453
Butte
Near Chico
Comment
CHSC49485
Triteleia ixioides subsp. anilina
Vernon Oswald
1984-6-11
1276
Butte
Humboldt Rd. between Lomo and Butte Meadows, 2.0 mi ne of Hwy 32.
1380
Comment
CAS-BOT-BC523064
Triteleia ixioides subsp. anilina
E. B. Copeland
1929-7-15
s. n.
Butte
Jonesville
Comment
CHSC101300
Triteleia laxa
Lowell Ahart
2009-4-17
15549
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
CHSC11068
Triteleia laxa
Lowell Ahart
1965-4-11
Butte
Peter Ahart Ranch, Honcut.
42
Comment
CHSC3810
Triteleia laxa
L. E. Dunkel
1965-4-24
30
Butte
Upper Bidwell Park Rd., 600yds. Sw of Chico Rod and Gun Club building.
36
Comment
CHSC3823
Triteleia laxa
L. E. Dunkel
1965-4-24
30
Butte
Along Upper Bidwell Park road, ca 600 yards sw of Chico Rod and Gun Club Building, Chico.
36
Comment
CAS-BOT-BC522170
Triteleia laxa
Mrs. J. H. Morrison
1932-4-10
s.n.
Butte
Durham
Comment
UCD139375
Triteleia laxa
L. Ahart
1975-5-12
774
Butte
along North Honcut Creek, Peter Ahart Ranch, Honcut.
45
Comment
CHSC46596
Triteleia montana
V. Oswald
1989-7-12
3846
Butte
Road between Jones Meadow and Lotts Lake, ca. 3 mi (air) se of Philbrook Reservoir.
1901
Comment
UC1564808
Triteleia montana
V. Oswald and L. Ahart
1989-7-12
3846
Butte
ca 3 air mi se Philbrook Reservoir (road between Jones Meadow and Lotts Lake)
1901
Comment
CHSC38862
Triticum aestivum
Vernon Oswald
1982-4-6
Butte
Upper Bidwell Park, Chico, along the edge of Upper Park Rd. near Bare Hole.
Comment
CAS-BOT-BC200541
Tuctoria greenei
John R. Reeder; Charlotte G. Reeder
1973-6-5
6235
Butte
Ca. 11 miles S of Chico on Route 99
30
Comment
CDA13280
Turritis glabra
G. F. Hrusa, T. D. Wilfred
1996-7-9
13128
Butte
Plumas National Forest; Above Jordan Creek. ordan Creek headwaters S of Hwy 162 near Roger's Cow Camp.
Comment
UCR219106
Typha angustifolia
George K. Helmkamp, E. A. Helmkamp
2009-9-5
15598
Butte
Sierra Nevada Mountains Foothills, Oro Dam Blvd. c. 2 mi. NE of Oroville and about one mile SW of the dam
88
Comment
CAS-BOT-BC91085
Umbellularia californica
R. F. Hoover
1965-10-16
9721
Butte
Deer Creek Road east of Chico.
Comment
CHSC109103
Umbellularia californica
Lowell Ahart
2012-3-23
17796
Butte
On the north side of Ten Mile House Road, about 1/2 mile west of Highway 32, about 9 miles (air) northeast of Chico.
387
Comment
CHSC47425
Umbellularia californica
Lowell Ahart
1977-3-29
1232
Butte
Along the Feather River, about 5 miles south-west of Oroville.
30
Comment
CHSC59986
Umbellularia californica
Sharol Lindenstein
1989-3-26
6
Butte
Plumas Nat'l Forest, Hwy 70, ca. 3.5 mi sw of Sugar Loaf Mt., 2 mi nw of Cresta Powerhouse.
701
Comment
SEINET12103413
Umbellularia californica
Unknown
1977-4-16
2
Butte
ca 7 mi NE of Chico, 45 ft W of water trough
488
Comment
CHSC38385
Uropappus lindleyi
Vernon Oswald
1983-4-9
305
Butte
Upper Bidwell Park, Chico, on the north rim ca. 0.6 mi e of the power lines.
274
Comment
UCD146249
Uropappus lindleyi
Daniel S. Park; D. Potter, S. M. Still
2010-4-10
17
Butte
Table Mt. near waterfall. Sheltered outcrop.
332
Comment
SFV9367
Uropappus lindleyi
M. L. Vincent
1963-6-5
379
Butte
Pentz Road, 5 miles south of Paradise. Roadside.
Comment
RSA0034524
Utricularia gibba
Lowell Ahart
2013-7-6
18825
Butte
Peter Ahart Ranch, about 1 3/4 miles north and 1 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville.
37
Comment
CHSC103224
Vaccinium parvifolium
L. P. Janeway
2010-5-25
9980
Butte
Northern High Sierra Nevada. Plumas National Forest; along Bean Creek Road 1.1 road km east of Bald Rock Road; just north of Little Bald Rock; along a small drainage into Brush Creek from the south.
1024
Comment Read comments Feb 8 2016
CHSC41909
Vaccinium parvifolium
Lowell Ahart
1983-7-29
4221
Butte
Along dirt road, 2 miles south of Milsap Bar, about 23 miles north-east of Oroville.
750
Comment Read comments Feb 8 2016
CHSC75364
Velezia rigida
Lowell Ahart
1999-6-12
8087
Butte
On the south part of the dam, above the high water line of the reservoir, north of Beatson Hollow, North Table Mountain, about 2 1/2 miles (air) west of the entrance gates along the west side of Cherokee Road, about 7 miles (air) north of Oroville.
297
Comment
CAS-BOT-BC391341
Velezia rigida
John Thomas Howell
1961-9-22
36755
Butte
North Fork Feather River, 10 miles from Oroville
Comment
CHSC20543
Verbascum thapsus
M. S. Taylor
1975-7-4
831
Butte
Along s side of Big Chico Creek at Five Mile, Upper Bidwell Park.
76
Comment
CHSC34059
Verbascum thapsus
L. Ahart
1981-8-15
3039
Butte
On n side of Snag Lake, ca. 10 mi n of Inskip.
1500
Comment
JEPS119901
Verbascum virgatum
Lowell Ahart
2012-5-31
18115
Butte
On the south side of Neal Road, west of the intersection of Highway 99 and Neal Road, about 3 miles (air) south of Chico.
Comment
UCD125969
Verbena
R. Tofsrud
Date Unknown
s.n.
Butte
Exact location unknown.
Comment
CHSC49452
Verbena bonariensis
Vernon Oswald
1987-7-5
3092
Butte
Ranch De Farwell. E. side of Sacramento River just upstream from Golden State Island (perhaps technically in Glenn Co. because of shifting channel).
33
Comment
CHSC35224
Verbena hastata
M. S. Taylor
1977-11-10
1516
Butte
Ca. 4 mi s of jct of Chico-Butte-Hwy and Ord Ferry Rd, ca. 20 mi s of Chico, on both sides of Chico-Butte Hwy.
30
Comment
CHSC64138
Verbena hastata
B. Castro
1988-7-28
281
Butte
Ca 0.5 mi W of jcn Hwy 149 and Hwy 70, on N side of Hwy 149.
76
Comment
SBBG128793
Verbena hastata
L. Ahart
2012-10-20
18490
Butte
S side of Big Chico Crk, ca. 50 yards E of Table 5, W of Cedar Grove, Lower Bidwell Park, Chico
68
Comment
JEPS114727
Veronica americana
Lowell Ahart
2008-5-8
14715
Butte
Below the high water line of Lake Oroville, about 150 yards south of the poor parking area, on the east side of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville
259
Comment
CHSC49047
Veronica anagallis-aquatica
Vernon Oswald
1983-7-25
912
Butte
Bidwell State Park, w of the parking area at the boat ramp on River Rd. near the washout.
Comment
CHSC33676
Veronica peregrina subsp. xalapensis
L. Ahart
1981-5-16
2798
Butte
Graylodge Waterfowl Mgmt Area, 11 mi sw of Gridley.
35
Comment
CHSC46412
Veronica peregrina subsp. xalapensis
Lowell Ahart
1989-5-28
6281
Butte
In a mined over area south of Oregon Gulch Road, sbout 1/2 mile north of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville.
335
Comment
CHSC109591
Viburnum tinus
Lowell Ahart; Linnea Hanson, Josephine Guardino
2012-5-23
18110
Butte
Along the horse trail, north of Table 32, about 50 yards south of Vallombrosa Avenue, southwest of Crister, Lower Bidwell Park, Chico.
70
Comment
UCD108786
Vicia benghalensis
R. N. Raynor; H. A. Hannesson
1941-5-9
s.n.
Butte
10 mi. S of Oroville on Marysville Road.
Comment
CHSC90369
Vicia villosa
Lysanna Quijano
1983-4-15
8
Butte
Junction of Pentz-Magalia Hwy and Pentz-Durham Road, 7 mi east-southeast of Chico.
207
Comment
CHSC38536
Vicia villosa subsp. varia
Vernon Oswald
1983-4-9
296
Butte
Upper Bidwell Park, Chico, 50 ft e of Rod and Gun Club.
103
Comment
JEPS115808
Vicia villosa subsp. varia
Lowell Ahart
2009-4-26
15636
Butte
About 10 miles northeast of Chico, Upper Bidwell Park, about 1/2 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road. About 150 yards southwest of Ten Mile House Road, in a small open meadow
286
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
UCD109126
Vicia villosa subsp. varia
G. K. Helmkamp; E. A. Helmkamp
2007-10-7
13071
Butte
Northern Sacramento Valley: East Gridley Road at the west edge of the Feather River bridge.
27
Comment
CHSC90243
Vinca major
T. H. Watroba
1989-4-11
9
Butte
Ca. 20 m n of Butte Creek, 15 m e of Covered Bridge, 10.4 km ese of Chico.
120
Comment
RSA402165
Viola adunca
H. F. Copeland
1929-6-10
1219
Butte
Jonesville.
1524
Comment
CHSC11869
Viola lobata subsp. lobata
E. B. Copeland
1929-7-13
384
Butte
Jonesville.
1550
Comment
CHSC27978
Viola purpurea subsp. dimorpha
M. S. Taylor
1978-7-18
1715
Butte
On e side of Humbolt Peak in Red Fir Forest, at Humbolt Summit.
2133
Comment
CHSC50347
Viola purpurea subsp. integrifolia
Vernon Oswald
1990-6-4
4281
Butte
Pacific Crest Trail ca. 0.4 miles north of Cold Springs, west of Humbug Summit.
2026
Comment
SD3138
Viola purpurea subsp. venosa
E. B. Copeland
1930-6-24
427
Butte
Jonesville, in low woods
1500
Comment
SEINET11987377
Viola sempervirens
C. A. Gardner
1974-1
24
Butte
Chico, end of Woodstock Road 0.5 mi E of Hwy1, 1 mi N of Mendocino
30
Comment
CHSC31744
Vulpia microstachys var. pauciflora
L. Ahart
1978-5-16
1730
Butte
In a pasture field. Peter Ahart Ranch, Honcut.
50
Comment
CHSC44601
Vulpia microstachys var. pauciflora
Lowell Ahart
1978-5-2
1709
Butte
Ridges on top of North Table Mountain, the ridges are near the large parking area, about 7 miles north of Oroville.
396
Comment
CHSC97360
Vulpia microstachys var. pauciflora
Paul Maslin
2005-5-1
60
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). UTM: 10608538E 4409116N.
490
Comment
POM146467
Vulpia microstachys var. pauciflora
A. A. Heller
1918-5-5
13011
Butte
Near Magalia.
Comment
CHSC46446
Vulpia myuros
Lowell Ahart
1989-5-23
6265
Butte
Along Swedes Flat Road, about 1 mile east of the Oroville Bangor Highway, north of Bangor.
426
Comment
SEINET7292828
Vulpia myuros f. megalura
A. A. Heller
1914-1
11269
Butte
Hills 8 miles north of Oroville
Comment
CHSC31390
Vulpia myuros var. hirsuta
J. D. Jokerst
1979-4-13
1199
Butte
Top of North Table Mt., W edge in the vicinity of Coal Cr Canyon.
396
Comment
CHSC92514
Vulpia myuros var. hirsuta
Lowell Ahart
2005-12-11
12522
Butte
On the sides of small ditches, on the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Highway, about 2 1/4 miles (air) east of Biggs.
30
Comment
CHSC33789
Woodwardia fimbriata
M. S. Taylor
1981-5-14
3710
Butte
S side of 22N49, at jct where creek crosses, next creek e of Little Ram Creek, ca. 1 mi sw of Four Mile Ridge Rd jct, ca. 0.5 mi n of Mountain House on Oroville-Quincy Hwy.
975
Comment
CAS-BOT-BC77795
Woodwardia fimbriata
John Thomas Howell
1959-9-20
34709
Butte
Feather River Highway to West Branch bridge
Comment
CHSC31573
Xanthium strumarium
L. Ahart
1977-9-20
1575
Butte
Near North Honcut Creek. Peter Ahart Ranch, Honcut.
50
Comment
CHSC78063
Xanthium strumarium
Shelly Pirtle
1997-4-9
28
Butte
+/- 20 miles south of Chico off of Biggs-Afton Road: Little Cry Creek.
Comment
JEPS115595
Yabea microcarpa
Lowell Ahart
2009-4-22
15567
Butte
West side of Guardians Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico
381
Comment
SEINET10972972
Yabea microcarpa
Mary Susan Taylor
1980-4-1
Taylor 2427
Butte
T22N R2E sc sec 25. In Foothill Savan nah, on bluffs above and S of Butte Creek, ca. 1/4 mi downstream from Honey Run Covered Bridge ca. 6 mi E of Chico.
183
Comment
CHSC22012
Zeltnera venusta
Robert A. Schlising
1963-6-7
2615
Butte
3.1 mi s of Cohasset along Cohasset Highway.
Comment
CAS-BOT-BC530529
Zigadenus fremontii
Lowell Ahart
1978-3-15
s.n.
Butte
3 miles north-east of Honcut
75
Comment
SEINET10971359
Zigadenus fremontii
Mary Susan Taylor
1976-3-23
Taylor 1036
Butte
Abundant in Valley Grassland, ca. 1/4 mi N of Pine Creek on Pine Creek-Cana Road, ca. 11 mi N of Chico; with Plagiobothrys scriptus.
61
Comment
JEPS114180
Zigadenus paniculatus
L. P. Janeway
2007-5-6
8971
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
CDA4975
Ziziphus jujuba
G. Blosser
2003-9-17
Butte
Northern Sierra Nevada Foothills.; Junction of Kelly Ridge Road and short spur dirt road to Lake Oroville parking, 1280 feet northwest of Bidwell Bar Canyon Saddle Dam (north end of Miners Ranch Reservoir).
Comment