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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
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CHSC27230
Abelia chinensis
P. Moyer
1971-9-26
8
Butte
Front of library to E side.
60
Comment
CHSC84132
Acacia dealbata
Lowell Ahart
2003-4-30
10118
Butte
On the west side of an irrigation ditch, on the east side of Upper Palermo Road, about 2 miles (air) northeast of Palermo.
67
Comment
CAS-BOT-BC330577
Acer circinatum
A. A. Heller
1919-5-17
13159
Butte
Banks of the Feather river near Stirling
Comment
CHSC81447
Acer circinatum
D. Tellefson
2000-4-18
Butte
Paradise Lake, north of Paradise.
700
Comment
JEPS120575
Acer circinatum
Tim Hanson
2013-9-24
11
Butte
Northern High Sierra Nevada Foothills. On the north side of Camp Creek just west of the Dixie Creek bridge and 1.5 air km northwest of the Camp Creek Powerhouse.
Comment
CHSC43580
Acer glabrum var. torreyi
Vernon Oswald
1983-7-6
826
Butte
Beside Humboldt Rd. 3.4 mi NE of Butte Meadows. Growing near Butte Creek in yellow pine forest.
1432
Comment
CHSC23643
Acer macrophyllum
M. S. Taylor
1976-4-4
1058
Butte
on n side of Ponderosa Way, ca. 3 mi e of junc of Ponderosa Way and Hwy 32, ca. 23 mi ne of Chico.
487
Comment
CHSC30934
Acer macrophyllum
Leslie Steidl
1980-4-1
10
Butte
.8 mi nnw of Lumpkin Rd on Craig Access Rd, on w side of road, 18 mi e of Oroville.
353
Comment
CHSC28676
Achillea millefolium
M. S. Taylor
1978-7-19
1750
Butte
Cherry Hill Campground, on s side of Old Humboldt Rd, ca. 2 mi sw of Jonesville.
1524
Comment
CHSC36957
Achnatherum nelsonii subsp. dorei
M. S. Taylor
1982-5-2
4395
Butte
Pulga serpentine area on n side of Hwy 70 at Pulga bridge, ca. 20 mi ne of Oroville.
487
Comment
CHSC74035
Achnatherum nelsonii subsp. dorei
B. Castro; Linnea Hanson
1996-5-24
665
Butte
Ca 4 air mi E of North Fork Feather River, ca 0.5 mi S of Coyote Gap, on W side of sharp curve in USFS Rd 23N00.
1216
Comment
CHSC31213
Achnatherum occidentale subsp. californicum
M. S. Taylor; J. D. Jokerst
1979-7-21
2164
Butte
Humboldt Peak, at Humboldt Summit.
2154
Comment
UC1499971
Achnatherum stillmanii
Lowell Ahart
1983-6-30
4190
Butte
1 1/2 mi se Stirling City
1100
Comment
CAS-BOT-BC29947
Achyrachaena mollis
H. E. Brown
1897-4-15
s.n.
Butte
near Clear Creek
Comment
CHSC111347
Achyrachaena mollis
Lowell Ahart
2012-5-2
17951
Butte
On damp dark clay soil, 20 yards south of the fence, west of the Government Pole Line, Upper Bidwell Park, about 1 mile east of Chico.
85
Comment
CHSC251
Achyrachaena mollis
B. Richardson
1929-4-21
Butte
Fields around Chico.
60
Comment
CHSC88869
Achyrachaena mollis
Christine Hantelman
2000-4-20
77
Butte
On south side of fence about 1.25 miles east on Wookey Road.
112
Comment
UCD150367
Achyrachaena mollis
Harry A. George
1967-4-24
s.n.
Butte
Shippe Rd.
Comment
SEINET11842154
Achyrachaena mollis
K. R. Fechko
1982-1
19
Butte
ca 2.5 mi S of Tehama Co. line, E side of Meridian Rd. ca 1.5 mi N of junction with Hwy 99;..
91
Comment
CHSC116583
Acmispon americanus var. americanus
L. P. Janeway
2015-7-20
11804
Butte
Northern High Sierra Nevada. Plumas Nastional Forest; Forest Service rock quarry at the southern corner of Walker Plains, on the southwest side of Oroville-Quincy Hwy.
1539
Comment
CHSC29797
Acmispon americanus var. americanus
M. S. Taylor; J. D. Jokerst, R. Schlising
1980-6-14
2873
Butte
Little Bald Rock, on granite dome, ca. 4 mi e of Lake Madrone.
1016
Comment
CHSC6592
Acmispon americanus var. americanus
G. Estrem
1968-5-2
12
Butte
Ca. 5 mi se of Chico on Skyway, ca. 100 yds. s of road in open field.
Comment
CHSC876
Acmispon brachycarpus
M. Roberson
1956-4-23
Butte
SW of Paradise, along Skyway.
426
Comment
CHSC90519
Acmispon brachycarpus
Mark Bradford
1983-4-19
7
Butte
Near Salmon Hole (Bidwell Park) ca. 7 mi. e of Chico, 2 mi. e of Bidwell Golf Course, 100 yds. n of Big Chico Creek.
76
Comment
CHSC65556
Acmispon grandiflorus var. macranthus
L. P. Janeway
1995-6-20
4803
Butte
Watson Ridge; about 1 mi south of Pompys Point.
1188
Comment
CHSC2833
Acmispon parviflorus
David Prall
1965-4-25
30
Butte
Growing on road-cut on north side of Humbug Rd. 0.3 mile swest of junction with Honeyrun Rd. (covered bridge).
152
Comment
CHSC33584
Acmispon parviflorus
M. S. Taylor
1981-5-5
3597
Butte
E side of Lumpkin-LaPorte Rd, 1 mi n of Enterprise bridge over south fork Feather River, ca. 10 air mi e of Oroville.
Comment
CHSC52673
Aconitum columbianum var. columbianum
Kirsten Tarp
1983-8-12
348
Butte
NW of Philbrook Reservoir, near streamlet.
1798
Comment
CAS-BOT-BC412594
Aconogonon alaskanum
A. A. Heller
1914-8-8
11672
Butte
Jonesville
1524
Comment
CAS-BOT-BC418802
Aconogonon phytolaccifolium
A. A. Heller
1938-7-20
15278
Butte
At Chaparral
1524
Comment
CHSC53694
Actaea rubra
Kirsten Tarp
1983-8-6
336
Butte
Near Butte Meadows, on Bull Hill Rd 0.2 mi from its jct with Humboldt Rd; near creek.
1325
Comment
SEINET11708078
Adiantum capillus-veneris
J. D. Mott
1978-1
10
Butte
West Branch Feather River
280
Comment
CAS-BOT-BC65618
Adiantum jordanii
Lowell Ahart
1983-7-29
4236
Butte
about 1/2 mile east of Milsap Bar, about 25 miles north-east of Oroville
500
Comment
CHSC27785
Adiantum jordanii
Bruce Hamren
1978-4-24
10
Butte
West Branch of Feather River.
280
Comment
CHSC31529
Adiantum jordanii
L. Ahart
1978-3-19
1616
Butte
Along North Honcut Creek. 3 mi ne of Honcut.
65
Comment
UC1481811
Adiantum jordanii
Mrs. Carlotta C. Hall
1914-7-17
9760
Butte
near Chico and Paradise (Honeyrun Grade)
Comment
HSC66338
Adiantum jordanii
M. S. Taylor
1980-4-1
2422
Butte
S side of Butte Cr. near Covered Bridge 6 mi. E of Chico
122
Comment
CAS-BOT-BC110725
Aegilops triuncialis
Lowell Ahart
1976-5-2
s.n.
Butte
Peter Ahart Ranch. Honcut.
Comment
CHSC11373
Aesculus californica
Lowell Ahart
1970-5-12
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC40341
Aesculus californica
Lowell Ahart
1985-6-17
5045
Butte
On dry bare dark lava, near the dirt road on Fields Ridge, about 4 miles southeast of Feather Falls.
762
Comment
CHSC50804
Agrimonia gryposepala
Vernon Oswald; Lowell Ahart
1990-7-31
4423
Butte
Meadow at the headwaters of Concow Creek, ca. 4 mi north of Concow.
1097
Comment
CAS-BOT-BC447800
Agrimonia gryposepala
Strothman
1913-7-1
233
Butte
Tilden, Plumas Forest
792
Comment
SEINET10789630
Agropyron cristatum
Mary Susan Taylor
1982-6-24
Taylor 4733
Butte
T23N R5E nw/se sec 30. Pulga SW quad. Around large landing site on saddle of ridge se of Flea Mt, n. of Pulga, ca. 5 air mile of Magalia.
1097
Comment
CHSC100946
Agrostemma githago
R. A. Schlising
1991-5-11
4659
Butte
About 0.25 miles north of Gravel Pit Road, along Wheelock (=Messilla Valley) Road.
140
Comment
SEINET10506789
Agrostis
Mary Susan Taylor
1978-7-21
Taylor 1810
Butte
On S side of Oroville-Quincy Hwy, along creek and in meadow, ca. 14 mi N of Lake Madrone, ca. 24 mi NE of Oroville; Yellow Pine Forest.
1463
Comment
CHSC55462
Agrostis avenacea
L. P. Janeway
1991-6-7
3991
Butte
Ca 0.8 mi east of Palermo-Honcut Road, ca 5.1 mi south of Palermo.
38
Comment
JEPS127630
Agrostis capillaris
B. Castro with Melinda Carlson
2007-10-25
1681
Butte
Confluence of Big Chico Creek and Sacramento River. W of River Road and N of the creek within surrounding disturbed riparian forest.
Comment
JEPS107757
Agrostis elliottiana
Lowell Ahart
2005-5-11
11800
Butte
On the bottom of a small vernal pool, south part of North Table Mountain, about 300 yards northwest of the poor dirt road off of Cherokee Road, about 200 yards south of the rim into Beatson Hollow, about 7 miles (air) north of Oroville
354
Comment
CAS-BOT-BC127334
Agrostis exarata
Lowell Ahart
1977-6-16
s.n.
Butte
Along bands of North Honcut Creek. Peter Ahart Ranch. Honcut.
50
Comment
CHSC113411
Agrostis exarata
Lowell Ahart
2014-7-10
19640
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1664
Comment
CHSC34033
Agrostis exarata
L. Ahart
1981-7-7
2916
Butte
Ca. 1 mi s of the Oroville Forbestown Rd on the Hurleton Swedes Flat Rd.
600
Comment
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
CAS-BOT-BC139718
Agrostis gigantea
Lowell Ahart
1981-8-15
3045
Butte
Snag Lake (about 3 miles south of Jonesville).
1524
Comment
CAS-BOT-BC139079
Agrostis pallens
Lowell Ahart
1987-7-10
5818
Butte
Near Forbestown Road, east of the intersection of Forbestown Road and Black Bart Road, about 1 mile west of Robinson Mill Road, about 6 miles southwest of Forbestown.
670
Comment
CHSC39658
Agrostis pallens
Lowell Ahart
1983-6-21
4091
Butte
Found along Bloomer Hill Road, about 1 1/4 miles west of the Oroville Quincy Highway, about 15 miles north-east of Oroville. Section 31.
450
Comment
SACT000147
Agrostis rossiae
Herbert Copeland
1934-7-9
Butte
Comment
CHSC45103
Agrostis stolonifera
Lowell Ahart
1988-9-4
6178
Butte
Near Big Kimshew Creek, about 1 air miles north-east of Jones Meadow.
1920
Comment
CHSC39555
Ailanthus altissima
Lowell Ahart
1983-7-24
4208
Butte
Near the dirt road at the Forbestown Res., about 5 miles north-east of Forbestown.
450
Comment
SACT000179
Aira caespitosa
Herbert Copeland
1930-7-25
Butte
Tall clumps, in meadow below cabin
Comment
CAS-BOT-BC138423
Aira caryophyllea
Lowell Ahart
1980-5-17
2270
Butte
0.5 mile southeast of Hurleton.
600
Comment
SEINET10869149
Aira elegans
Mary Susan Taylor
1980-3-1
Taylor 2351
Butte
T21N R3E nw 1/4 sec 5. Near Elliot Spring House, S side of Neal Road, ca. 2 mi SW of Paradise.
302
Comment
JEPS114922
Albizia julibrissin
Lowell Ahart
2008-7-11
15070
Butte
On the west side of a small wet area, 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
31
Comment
CHSC97373
Alisma triviale
Paul Maslin
2006-6-15
39
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). Man made pond near reserve headquarters. UTM: 10611097E 4411325N.
487
Comment
CHSC20678
Allium amplectens
M. S. Taylor
1975-6-30
822
Butte
Ca. 1/4 mi w of Cohasset Hwy, ca. 400 yds n of Greenwood Store, Cohasset, ca. 18 mi ne of Chico.
853
Comment
CHSC36907
Allium amplectens
R. A. Schlising
1980-7-25
3920
Butte
N part of county near Lomo, 1.9 m ne of jct Hwy. 32 with Humboldt Road. Carpenter Ridge.
Comment
CHSC90579
Allium amplectens
Jose Romero
1983-4-20
1
Butte
Site on the Oroville Wildlife Area. Junction of Larkin and Timothy Roads, 4 mi southwest of Oroville.
45
Comment
CAS-BOT-BC460735
Allium amplectens
Lowell Ahart
1980-5-25
1330
Butte
Along Hurleton-Swedes Flat Road.
Comment
CAS-BOT-BC460743
Allium amplectens
Robert A. Schlising; Marc Hayes
1978-5-22
3266
Butte
N of Chico along Cohasset Hwy, 4.3 mi N of Mud Creek.
Comment
CDA39428
Allium amplectens
L. L. Heinricks
1974-5-2
s.n.
Butte
On both sides of Wilbur Road.
0
Comment
POM110214
Allium amplectens
C. C. Bruce
1897-05
1899
Butte
[No locality information provided]
Comment
UC142746
Allium amplectens
Mrs. R. M. Austin
May 1896
736
Butte
Comment
CHSC3868
Allium cratericola
Gary Dutton
1966-3-28
152
Butte
Found at Table Top.
Comment
UC1299310
Allium cratericola
Freed W. Hoffman
1951-3-19
3771
Butte
6.2 mi n Oroville-Chico Highway; Table Mountain
Comment
UC725435
Allium cratericola
A. A. Heller
1938-4-3
15012
Butte
summit of Table Mountain Table Mountain
304
Comment
CAS-BOT-BC135815
Allium jepsonii
Clarence R. Quick
1964-7-9
64 -65
Butte
North of Jarbo Gap - Sierra Nevada
Comment
CHSC62602
Allium jepsonii
B. Castro
1993-8-5
492
Butte
On saddle between Big Bar Mtn and Hungry Hunt Peak, on WSW-facing slope below N edge of sharp curve in USFS Rd 23N28.
1133
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
CAS-BOT-BC472973
Allium membranaceum
Alice Eastwood
1921-5-22
10566
Butte
Los Vergils
Comment
SEINET12048269
Allium membranaceum
M. Ownbey, Ownbey, G. B.
1946-1
2945
Butte
just E of Brush Creek Ranger Station
Comment
CHSC49477
Allium obtusum var. obtusum
Vernon Oswald
1985-4-29
1732
Butte
Big Bald Rock.
990
Comment
CHSC29981
Allium peninsulare
Lowell Ahart
1980-5-25
2317
Butte
Along Swedes Flat Road, ca 1 mi E of Bangor- -Oroville Highway, near Bangor.
320
Comment
RSA769675
Allium peninsulare var. peninsulare
Lowell Ahart
2009-4-22
15596
Butte
W side of Guardians Trail, about 100 yards N of Pine Trail, Upper Bidwell Park, W of the intersection of Highway 32 and Ten Mile House Road, about 10 miles NE of Chico.
382
Comment
CAS-BOT-BC132115
Allium sanbornii var. sanbornii
Lowell Ahart
1980-7-29
2501
Butte
Along the edge of Forbestown Road
Comment
JEPS87858
Allium sanbornii var. sanbornii
Lowell Ahart
1994-7-28
7526
Butte
ca. 1/2 mi. s.e. Little Bald Rock (s. side of Bean Creek Rd.)
914
Comment
POM193389
Allium validum
E. B. Copeland
1930-7-21
407
Butte
Jonesville.
1500
Comment
SEINET10969173
Allophyllum divaricatum
Lowell Ahart
1984-6-8
Ahart 4673
Butte
At the Ponderosa Dam, ca. 2 mi NW of Forbestown; Yellow Pine Forest; 370 m.
370
Comment
CHSC5944
Alnus rhombifolia
M. MacArthur
1968-6-17
174
Butte
Location: Hanging over SW edge of Big Chico Creek Ne of Dining Hall, Chico State College Campus.
60
Comment
CDA5624
Alopecurus carolinianus
L. Ahart
2005-4-14
11716
Butte
About 200 feet east of the railroad tracks, north of Spruce Street, Gridley.
Comment
CHSC113284
Alopecurus carolinianus
Lowell Ahart
2014-4-25
19403
Butte
Sides of a cleaned ditch, on the west side of Richvale South Highway, south of the intersection of Richvale South Road and Richvale South Highway, Richvale.
30
Comment
CHSC47601
Alopecurus carolinianus
Lowell Ahart
1974-4-28
442
Butte
Peter Ahart Ranch, about 2 miles north and 1/2 east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC92504
Alopecurus carolinianus
Lowell Ahart
2005-12-11
12513
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-BC137940
Alopecurus saccatus
Lowell Ahart
1980-5-10
2236
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CDA31388
Alopecurus saccatus
L. Ahart
2003-5-28
10235
Butte
On the bottom of Hendricks ditch, about 1 3/4 miles west of the iron gate and fence, west of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville
Comment
CHSC8195
Alopecurus saccatus
J. G. Moore
1969-4-18
27
Butte
Table Mtn. 50 yds. w of Cherokee Rd., 2 mi. s of Oregon City turnoff.
381
Comment
JEPS117218
Alopecurus saccatus
Lowell Ahart
2010-5-16
16691
Butte
About 1/4 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville
371
Comment
CHSC116004
Amaranthus albus
Lowell Ahart
2015-10-9
20540
Butte
West edge of Bull Hill road, about 3/4 mile northwest of the intersection of Bull Hill Road, Skyway, and Humbug Road, about 4 miles (air) north of Inskip.
1697
Comment
SEINET3125082
Amaranthus albus
Richard R. Halse
2006-8-2
6981
Butte
Chico; in the Lindo Channel Greenway where it crosses under Mangrove Ave.
92
Comment
UCSB64011
Amaranthus albus
Ahart, Lowell
1982-7-10
Butte
About 1/4 miles south-east of the Gray Lodge Headquarters, about 12 miles south-west of Gridley, Butte County, California
30
Comment
UCD97225
Amaranthus hybridus
T. Gantenbein
1999-8-11
PDR11 98787
Butte
Richvale.
Comment
RSA29939
Amaranthus retroflexus
I. L. Wiggins
1928-9-9
3345
Butte
Sandy Gulch Creek, 3 miles west of Chico
Comment
CHSC76411
Ambrosia artemisiifolia
Lowell Ahart
1999-10-28
8317
Butte
Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
CAS-BOT-BC142952
Amelanchier utahensis
A. A. Heller
1915-6-11
11963
Butte
Chico Meadows in the Sierra Nevada
1219
Comment
CHSC47438
Ammannia coccinea
Lowell Ahart
1973-8-13
266
Butte
Growing in shallow water or on wet 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
CHSC83017
Ammannia coccinea
Lowell Ahart
2002-10-17
10002
Butte
Bottom of a wash, between the gentle hills below the high water line of Lake Oroville, about 1 1/2 miles south of Highway 162 (Oroville Quincy Highway), about 3 miles (air) northeast of Oroville Dam.
227
Comment
CDA36699
Ammannia coccinea
Margaret Bellue
1947-8-23
Butte
Afton Road near Biggs.
0
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
CHSC137
Amsinckia intermedia
E. Lusk
1949-5-22
Butte
3 mi. N.W. of Chico.
60
Comment
JEPS107370
Amsinckia intermedia
Lowell Ahart
2005-4-14
11700
Butte
On the west bank of a deep ditch, east of the railroad tracks, north of Spruce Street, Gridley
28
Comment
SEINET10497093
Amsinckia intermedia
Mary Susan Taylor, K. Tharp
1983-3-11
Taylor 5227
Butte
T20N R5E sw/se sec 29. Along abandoned part of Hwy 62 which leads into water at n end of Bidwell Bar Bridge, ca. 6 air mi nne of Oroville.
Comment
SEINET10969125
Amsinckia intermedia
Mary Susan Taylor, K. Tharp
1983-3-12
Taylor 5240
Butte
T22N R2E nw sec 27. Chico quad. Along small rd off Stillson Canyon Rd (leading to Mannion property), ca. 3 mi sse of Chico. Elevation ca. 500 ft.
152
Comment
CHSC24888
Amsinckia lycopsoides
E. E. Jaeger
1976-4-17
10
Butte
10 ft of Hwy 32, 9.6 mi ne of Chico.
121
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
CHSC1389
Anagallis arvensis
J. Baynes
1929-4-26
Butte
U. S. Plant Introduction Garden.
57
Comment
CHSC33634
Anemone occidentalis
R. E. Preston; R. A. Schlising, R. Banchero, D. Burk
1981-7-21
113
Butte
Snow Mtn, ca. 7.2 km se of Jonesville.
2050
Comment
JEPS115306
Anthriscus caucalis
Lowell Ahart
2009-4-3
15521
Butte
On the north side of the gravel road, Cedar Grove parking area in Lower Bidwell Park, Chico
67
Comment
JEPS98474
Antirrhinum vexillocalyculatum subsp. intermedium
Lowell Ahart
2000-5-31
8423
Butte
3 mi SE of Paradise (200 yds E of where Kunkle Creek enters Lake Oroville, E of Kunkle Power House)
335
Comment
RSA371507
Antirrhinum vexillocalyculatum subsp. intermedium
David M. Thompson
1986-6-25
537
Butte
E of Old Yankee Hill. 2.0 miles S of Hwy. 70 on Dark Creek Road (the old Hwy. 70 grade before the creation of Lake Oroville).
442
Comment
CAS-BOT-BC447661
Aphanes arvensis
A. A. Heller
1916-4-13
12324
Butte
Stilson Canyon east of Chico in the digger pine and blue oak belt
Comment
CHSC45188
Aphanes occidentalis
Lowell Ahart
1974-4-7
350
Butte
Peter Ahart Ranch, about 12 miles south of Oroville.
45
Comment
CHSC46398
Aphanes occidentalis
Lowell Ahart
1989-5-28
6276
Butte
South of Oregon Gulch Road, about 1/2 mile north of the Cemetary, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville.
335
Comment
CHSC29376
Arabidopsis thaliana
R. A. Schlising; R. Banchero
1980-6-2
3622
Butte
10.3 mi n of jct Forest Ranch Road (which is just n of village of Forest Ranch), along Hwy 32.
Comment
CHSC93516
Arbutus menziesii
L. P. Janeway; B. Castro, Ana Castro Instone
2006-4-23
8559
Butte
Northern Sierra Nevada Foothills. North Table Mountain; near head of Campbell Creek and Beatson Hollow, about 150 m south of Phantom Falls. On steep west-facing slope between the top tablelands and the bottom of the Hollow.
375
Comment
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
CAS-BOT-BC407720
Arceuthobium abietinum
E. B. Copeland
1930-7-28
414
Butte
Jonesville
1550
Comment
CHSC11789
Arceuthobium abietinum
E. B. Copeland
1930-7-28
Butte
Jonesville, Butte County.
1550
Comment
CHSC45301
Arceuthobium abietinum
Vernon Oswald; Lowell Ahart
1987-7-1
3070
Butte
Logging road ca. 2.5 mi (air) s of Humbug Summit and 0.25 mi w of the Butte-Plumas county line, ca. 5.25 mi se of Jonesville.
1999
Comment
CAS-BOT-BC27257
Arctostaphylos laxiflora
Amos Arthur Heller
1940-2-6
15493
Butte
Wagstaff Road near the Neal Road, Paradise.
Comment
RSA632991
Arctostaphylos manzanita
Jon E. Keeley
1996-6-20
27463
Butte
Approximately 1/2 km west of Cohasset.
570
Comment
UCD52236
Arctostaphylos manzanita
John Thomas Howell
1976-4-2
51561
Butte
In Upper Sonoran Life Zone on volcanic rock; about 2 miles from Paradise on 'Skyway' to Chico.
396
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
SEINET11989068
Arctostaphylos manzanita subsp. roofii
R. Gankin, Powell, R.
1966-1
869
Butte
Cohasset Ridge NE of Chico
549
Comment
RSA31998
Arctostaphylos mewukka
A. A. Heller
1942-1-4
16345
Butte
4 miles below Paradise on the Pentz-Magalia Road.
Comment
UC725980
Arctostaphylos mewukka
A. A. Heller
1942-1-18
16350
Butte
Pentz-Magaia Rd one mi e Bille Road; Paradise
Comment
CAS-BOT-BC38564
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1976-4-2
51569
Butte
Paradise.
609
Comment
CAS-BOT-BC48295
Arctostaphylos viscida subsp. viscida
John Thomas Howell
1975-6-15
51085
Butte
About 2 miles from Paradise on Skyway to Chico.
396
Comment
CHSC32655
Arctostaphylos viscida subsp. viscida
M. S. Taylor
1981-3-18
3424
Butte
W side of West Branch Feather River, ca. 100 ft S of Ponderosa Way bridge crossing, ca. 1 mi NE of Magalia. Label states: T23N R5W nc 1/3 sec 30.
487
Comment
CHSC50037
Arctostaphylos viscida subsp. viscida
Lowell Ahart
1990-3-9
6412
Butte
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
CHSC34820
Arenaria macrophylla
M. S. Taylor
1981-5-12
3690
Butte
Jct of French Creek and 22N93, ca. 3.5 air mi s of Coyote Gap, ca. 17 air mi ne of Oroville.
853
Comment
CHSC84407
Aristida dichotoma
Lowell Ahart
2003-7-30
10461
Butte
On the north side of Bean Creek Road, about 1/2 mile southeast of Little Bald Rock, about 2 1/2 miles (air) southeast of Brush Creek.
1000
Comment
UC145952
Aristida oligantha
Dr. E. B. Copeland
1903-7-27
3488
Butte
Chico; bank of sloughs
Comment
SEINET10512738
Aristida oligantha
Mary Susan Taylor
1977-8-16
Taylor 1434
Butte
On S side of Pentz Rd, near culvert in natural drainage, ca 1.2 e of jct of Pentz Rd & Hwy 99, ca 15 mi S of Chico.
61
Comment
CAS-BOT-BC146314
Aristida ternipes var. gentilis
Lowell Ahart
1983-8-16
4277
Butte
Sierra Nevada. One mile east of Chico, on Highway 32.
100
Comment
CAS-BOT-BC400424
Aristolochia californica
Lowell Ahart
1980-3-8
2028
Butte
Peter Ahart Ranch, Honcut
50
Comment
CHSC38262
Aristolochia californica
Vernon Oswald
1983-3-4
107
Butte
Upper Bidwell Park. Brush beside Upper Park Rd. at the power lines.
97
Comment
POM20567
Aristolochia californica
Ione Poe
1923-10-2
s.n.
Butte
Molinos River, near Chico.
Comment
UC650550
Aristolochia californica
Mrs. C. C. Bruce
March 1897
1794
Butte
Little Chico
Comment
SEINET10872091
Artemisia douglasiana
Mary Susan Taylor
1975-10-29
Taylor 976
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
JEPS108902
Asarum hartwegii
Lowell Ahart
2006-7-11
12941
Butte
About 50 yards south of Humboldt Road, about 1 1/2 miles (air) southwest of Butte Meadows
1435
Comment
CAS-BOT-BC400631
Asarum hartwegii
Helen M. Edwards
1917-6-1
s.n.
Butte
De Sabla
Comment
CAS-BOT-BC400640
Asarum hartwegii
Clarence R. Quick
1962-6-16
62 -36
Butte
SW of road junction of Big Bend-Red Mountain road
Comment
CHSC3204
Asclepias cordifolia
Gerry Carrauthers
1966-4-23
122
Butte
Ca. 9.5 mi. E. of city of Chico on Highway 32.
Comment
SEINET10961630
Asclepias cordifolia
R. M. Austin
Austin 868
Butte
Iron Canyon
Comment
CHSC38264
Asclepias fascicularis
Vernon Oswald
1983-6-20
719
Butte
Upper Bidwell Park, Chico, near Diversion Dam Parking Area L.
128
Comment
SEINET10496162
Asclepias fascicularis
Lowell Ahart
1985-6-30
Ahart 5074
Butte
Abut 1 mile west of intersection of Forbestown Road with Robinson Mill Road, N of Oroville.
Comment
CHSC80584
Asclepias speciosa
Lowell Ahart
2001-6-1
8748
Butte
South side of Biggs Princeton Road, about 1 mile east of Butte Creek, about 7 1/2 miles west of Biggs.
21
Comment
SEINET3166412
Aspidotis californica
P. J. Alexander
2009-5-27
1050
Butte
Western foothills of the northern Sierra Nevada, east side of the Feather Falls trail loop, 0.9 (linear) miles SE of the waterfall, 1.7 miles NW of the top of Swain Hill, 17.9 miles ENE of Oroville, Plumas National Forest.
588
Comment
CAS-BOT-BC65912
Aspidotis densa
Clarence R. Quick
1964-7-9
64 -53
Butte
north of Jarbo Gap
Comment
CHSC23657
Aspidotis densa
M. S. Taylor
1976-4-24
1075
Butte
On Big Bald Rock, ca. 1/4 mi w of Bald Rock Rd, ca. 3 mi e of Lake Madrone, ca. 13 mi ne of Oroville.
997
Comment
CHSC30745
Aspidotis densa
M. S. Taylor
1980-5-27
2662
Butte
On Big Bald Rock, ca. 3 mi e of Lake Madrone.
997
Comment
CHSC32688
Aspidotis densa
M. S. Taylor
1981-3-18
3423
Butte
W side of West Branch Feather River, ca. 100 ft s of Ponderosa Way bridge crossing, ca 1 mi ne of Magalia.
487
Comment
CAS-BOT-BC178457
Astragalus gambelianus
Ira L. Wiggins
1925-3-22
1463
Butte
Chico Creek Canyon about 5 miles above Chico
Comment
CHSC108827
Astragalus gambelianus
Lowell Ahart
2012-4-17
17880
Butte
Bare areas where cobbles were removed for Oroville Dam, about 200 yards southeast of where the road turns north, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) southwest of Oroville.
35
Comment
CHSC67362
Astragalus gambelianus
James D. Jokerst; R. A. Schlising
1985-4-8
2215
Butte
Serpentine Point W and adjacent to Hwy. 70 ca. 0.5 mi S of Lunt Rd. In vicinity of highway right of way fence.
548
Comment
SEINET7042706
Astragalus gambelianus
A. G. Vestal
1963-5-9
s.n.
Butte
Route 99E 11.8 miles north of Chico. Nelson quadrangle UTM Zone 10, 605211mE, 4382252mN.
Comment
CAS-BOT-BC192801
Astragalus pauperculus
A. A. Heller
1938-4-3
15013
Butte
Summit of Table Mountain
304
Comment
CHSC43861
Astragalus pauperculus
Vernon Oswald
1988-3-14
3253
Butte
Harter's Cherokee Ranch is located on the w side of Hwy 99 between Hwy 149 and Dry Creek. Along the Hwy 99 fence line near the north tip of the ranch.
71
Comment
RSA0003125
Astragalus tener var. bruceae
C. C. Bruce
1898-03
2430
Butte
Plains [no specific locality given]
Comment
CHSC30780
Asyneuma prenanthoides
M. S. Taylor
1980-9-12
3336
Butte
W side of Hwy 32, ca. 3 mi n of Forest Ranch, near Forest Ranch Fire Control Station, ca. 5 minute walk w of the Hwy on a dirt road.
975
Comment
CAS-BOT-BC68696
Athyrium filix-femina var. californicum
Clarence R. Quick
1952-7-1
52 -122
Butte
Sierra Nevada - Mill Creek Road between Feather River Highway and Coyote Gap
Comment
CAS-BOT-BC68697
Athyrium filix-femina var. californicum
Javier Penalosa
1962-6-18
2445
Butte
N. of Brush Creek on old Oroville-Quinney Road, near confluence of French and Peavine Creeks.
609
Comment
SEINET10471813
Athyrium filix-femina var. californicum
Lowell Ahart, Peter Ahart
1983-9-21
Ahart 4461
Butte
T20N R8E section 5. Along French Creek, ca. 3 mi n of the Sly Creek Dam, n of Strawberry Valley. Yellow Pine Forest; 900 m.
900
Comment
CHSC100123
Athyrium filix-femina var. cyclosorum
L. P. Janeway
2008-8-10
9537
Butte
Northern High Sierra Nevada. Along Four Trees Road at crossing of South Branch Mill Creek, 4.5 road km east-southeast of Hwy 70. Along moist roadside gutter.
823
Comment
UCR95841
Athyrium filix-femina var. cyclosorum
E. B. Copeland
1929-7-29
733
Butte
Jonesville, along creeks.
1600
Comment
CHSC14015
Athysanus pusillus
G. Notch
1974-3-12
66
Butte
In fields on Burton's Mesa ca. 3 mi e of Chico on the Skyway to Paradise.
213
Comment
JEPS87173
Athysanus pusillus
Lowell Ahart
1992-3-9
6736
Butte
about 1/6 mi e of the Enterprise Boat Launch Area (about 1/2 mi nw of the Enterprise Bridge across Lake Oroville); Lake Oroville
274
Comment
CHSC36556
Atriplex argentea var. mohavensis
L. Ahart
1982-7-10
3662
Butte
In parking area of checking station, Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley.
35
Comment
UCD97511
Atriplex lentiformis
Lowell Ahart
1981-11-6
3217
Butte
Gray Lodge, south-west of Gridley.
Comment
JEPS90593
Atriplex minuscula
Vernon H. Oswald
1993-7-29
5735
Butte
on w side of a levee road and on s side of Rutherford Rd. just e headquarters complex (ca. 1.75 mi w of Pennington Rd., w of Gridley); Gray Lodge Wildlife Management Area
19
Comment
CAS-BOT-BC176601
Atriplex serenana var. serenana
Lowell Ahart
1981-11-6
3218
Butte
Gray Lodge, south-west of Gridley
35
Comment
CDA23332
Atriplex triangularis
L. Ahart
2006-10-8
13431
Butte
East side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House.
Comment
CHSC101290
Avena barbata
Lowell Ahart
2009-4-17
15552
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
JEPS117938
Avena barbata
L. P. Janeway
2008-4-2
9246
Butte
East edge of City of Chico Cascade Range Foothills (slope on north side of Humboldt Road 2.9 km northeast of Bruce Road)
167
Comment
UCD56174
Avena barbata
A. A. Heller
1914-3-18
11207
Butte
8 miles north of Oroville. Near the western base of Table Mountain.
Comment
CAS-BOT-BC145884
Avena fatua
John Thomas Howell
1962-6-15
37530
Butte
Sierra Nevada. Magalia.
731
Comment
CHSC108318
Azolla microphylla
Lowell Ahart
2011-8-17
17633
Butte
On the west edge of the pond, on the east side of the trail and dam, 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
JEPS127249
Azolla microphylla
Lowell Ahart
2016-9-4
21342
Butte
Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles (air) south of Oroville.
Comment
CHSC93329
Baccharis douglasii
Paul Maslin
2005-9-29
628
Butte
Plant collected from Big Chico Creek Ecological Reserve which is located off of Hwy. 32, east of Chico, beginning at the upper end of Bidwell Park.
Comment
UCD129404
Baccharis glutinosa
L. Ahart
1981-9-27
3215
Butte
Palermo.
100
Comment
JEPS119920
Baccharis pilularis subsp. consanguinea
Lowell Ahart
2012-10-20
18487
Butte
On the south side of the paved park road and Big Chico Creek, west of the restrooms, about 200 yards west of Cedar Grove, Lower Bidwell Park, Chico.
Comment
SEINET10474452
Baccharis pilularis subsp. consanguinea
Mary Susan Taylor
1975-10-3
Taylor 948
Butte
Ca. 1/4 mile N of the Washout, between River Road and the Sacramento River, ca. 10 mi W of Chico. Riparian Woodland and sloughs, wet and humid.
37
Comment
CHSC81461
Baccharis salicifolia
Petra M. Lee
2000-4-30
Butte
Chico. 1 mile NE of Horseshoe Lake in Upper Bidwell Park.
91
Comment
CHSC112603
Bacopa eisenii
Lowell Ahart
2013-9-20
19057
Butte
Along a ditch, about 100 yards west of the railroad, about 400 yards south of the Rice Experiment Station buildings, about 2 miles southeast of Richvale.
30
Comment
CHSC55061
Bacopa eisenii
Lowell Ahart
1991-9-24
6730
Butte
At the Rice Experiment Station, south of Highway 162, about 3.5 miles north-west of Biggs.
30
Comment
CAS-BOT-BC106558
Balsamorhiza deltoidea
Helen M. Edwards
1917-6-1
s.n.
Butte
De Sabla
Comment
CHSC87774
Balsamorhiza deltoidea
Paul Maslin
2004-4-22
27
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). UTM: 10611534E 4411103N.
518
Comment
UC1594585
Balsamorhiza deltoidea
Vernon H. Oswald and Lowell Ahart
1992-3-24
4891
Butte
.2 mi n of, (n side Thermalito Diversion Pool, along 1st stream w of spillway) Burma Rd.; Lake Oroville Recreation Area
76
Comment
CHSC60577
Barbarea orthoceras
Vernon H. Oswald; Lowell Ahart
1993-4-21
5294
Butte
Along the Skyway ca. 1 mi S of De Sabla.
804
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
CHSC43648
Barbarea verna
Vernon Oswald
1987-4-22
2340
Butte
Butte Creek Reserve on the n side of Butte Creek e of Hwy 99. On the edge of the creek.
68
Comment
CHSC109109
Berberis aquifolium var. dictyota
Lowell Ahart
2012-3-3
17769
Butte
About 20 yards east of 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
CHSC28538
Berberis aquifolium var. dictyota
M. S. Taylor; J. D. Jokerst
1979-10-13
2247
Butte
On n side of Jordan Hill Rd (Ponderosa Way on some maps) near bridge over creek, ca. 1 mi n of its jct with Concow Rd, ca. 5 mi e of Paradise.
426
Comment
JEPS122318
Bergia texana
Lowell Ahart
2014-8-31
19799
Butte
On the west side of McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile southwest of the Enterprise Bridge across the South Fork of the Feather River, about 11 miles (air) east Oroville.
Comment
RSA0036436
Betula
Lowell A. Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-10
18008
Butte
West of the horse path, on the north side of the paved park road, southwest of the old walnut orchard, south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico.
76
Comment
CAS-BOT-BC102082
Bidens frondosa
Lowell Ahart
1987-8-30
5863
Butte
along the North Fork of the Feather River, near Poe Power House, about 2 miles southeast of Jarbo Gap
271
Comment
CHSC43272
Bidens frondosa
Lowell Ahart
1987-8-30
5863
Butte
On sand and gravel bars along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap.
271
Comment
HSC103997
Bidens frondosa
L. Ahart
2013-11-17
19259
Butte
About 5/8 mi. SW of the Enterprise Bridge across Lake Oroville, below the high water line of Lake Oroville, along the sides of McCabe Creek
245
Comment
POM180850
Bidens frondosa
H. F. Copeland
1923-1
862
Butte
Nelson
Comment
CHSC100908
Bistorta bistortoides
R. A. Schlising; Lawrence Janeway
1988-8-2
4657
Butte
North of Lomo and west of Butte Meadows, along Hwy 32 at Soda Springs Campground.
Comment
CHSC285
Blennosperma nanum
J. Turner
1930-4-18
Butte
Chico near Plant Gardens.
54
Comment
CAS-BOT-BC100689
Blennosperma nanum var. nanum
H. E. Brown
1897-4-15
146 1/2
Butte
near Clear Creek
53
Comment
RSA0084097
Blennosperma nanum var. nanum
L. P. Janeway
2005-3-1
8333
Butte
Cascade Range Foothills. East edge of city of Chico; north side of Humboldt Rd. 1.8 km northeast of Bruce Road.
134
Comment
CHSC35021
Boechera arcuata
R. E. Preston
1982-3-25
201
Butte
Ca. 1.5 mi e of Pulga, n side of Feather River canyon.
670
Comment
CHSC46283
Boechera arcuata
Vernon Oswald
1989-5-25
3785
Butte
Railroad between Pulga and Mayaro. On the river side of the RR between Dogwood and Camp Creeks.
438
Comment
CHSC474
Boechera breweri subsp. shastaensis
V. Holt
1937-3-1
Butte
Salmon Hole.
121
Comment
JEPS122214
Boechera breweri subsp. shastaensis
Lowell Ahart
2014-4-20
19388
Butte
About 30 yards west of a small drainage, about 80 yards southwest of a small falls, about 3/4 mile northwest of the parking area on the west side of Cherokee Road, about 7 miles (air) north of Oroville.
Comment
SEINET10453130
Boisduvalia densiflora
Mary Susan Taylor
1980-8-30
Taylor 3320
Butte
T20N R4E sw sec 14, Oroville Dam quad. E Table Mt, along dry vernal creek bed, between Box Hall Flat and Potter Ravine, ca. 2.5 air mi E of Oregon City, ca. 5.5 mi N of Oroville.
366
Comment
POM253279
Boisduvalia stricta
A. A. Heller
1938-5-22
15107
Butte
Near the airport north of Chico.
91
Comment
JEPS88224
Bolboschoenus glaucus
Vernon H. Oswald and Lowell Ahart
1996-6-10
7757
Butte
U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (in the ne corner of corner of Tract 7.2, Sanctuary I); Sacramento River National Wildlife Refuge, Llano Seco Unit
33
Comment
SEINET3915039
Bolboschoenus glaucus
Barbara Ertter, Lowell Ahart; Jeff Strachan
1980-5-6
3287
Butte
Peter Ahart Ranch about 2.5 mi NNE of Honcut between Oroville and Marysville.; 0
30
Comment
CHSC38790
Brachypodium distachyon
Vernon Oswald
1983-5-4
426
Butte
Upper Bidwell Park, Chico, 300 ft n of Upper Park Rd. and 2.4 mi e of the power lines.
243
Comment
SEINET10507663
Brachypodium distachyon
Lowell Ahart, Peter Ahart
1983-6-21
Ahart 4062
Butte
T20N R5E sec 5. Along Bloomer Hill Rd, ca. 1/8 mi w of Oroville-Quincy Hwy, 1.3 mi s of Berry Creek School, ne of Oroville. Foothill Woodland; 400 m.
400
Comment
JEPS115834
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
CHSC41414
Brassica nigra
Lowell Ahart
1986-5-10
5273
Butte
In a field, Peter Ahart Ranch, about 2 miles north and 1/4 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC38059
Brassica oleracea var. gemmifera
R. E. Preston
1982-3-25
198
Butte
In a garden in Chico.
Comment
CHSC113296
Brassica rapa
Lowell Ahart
2014-4-9
19330
Butte
Rice field, near the pump, on the north side of Colusa Highway, about 4/10 of a mile east of the intersection of Pennington Road and Colusa Highway, about 5 1/2 miles west of Gridley.
22
Comment
CAS-BOT-BC145531
Briza minor
Ira L. Wiggins
1925-3-25
1427
Butte
3.5 miles west of Pence on Pence-Durham Road.
Comment
CAS-BOT-BC482208
Brodiaea californica subsp. californica
Peter H. Raven
1953-5-9
5421
Butte
Dry fields 7 mi. s.e. of Chico on Oroville Road
Comment
JEPS74710
Brodiaea californica var. californica
W. L. Jepson
1932-5-9
16366
Butte
e Cana (on Red Bluff-Chico road)
57
Comment
UC1080382
Brodiaea californica var. californica
E. K. Balls
1957-5-23
22531
Butte
1.7 mi nw U. S. Hwy. 99 E. jct. with road from Penta
91
Comment
UCD77126
Brodiaea coronaria
Robert E. Preston
2003-5-11
2130
Butte
Ca. 2.25 mi W of Pentz, along Pentz Rd, ca. 0.5 mi E of Clark Rd.
97
Comment Read comments Jun 17 2014
UCD77203
Brodiaea coronaria
Robert E. Preston
2003-5-18
2140
Butte
Ca. 2.25 mi N of Cana, along Cana-Pine Creek Rd, ca. 0.4 mi N of Pine Creek
51
Comment
CHSC36100
Brodiaea minor
R. A. Schlising
1980-6-30
3802
Butte
0.1 miles S of junction of Humboldt Road and Skyway at Butte Meadows.
Comment
SEINET194883
Brodiaea minor
A. A. Heller
1927-5-3
14364
Butte
Ten miles north of Chico
Comment
UC726228
Brodiaea minor
A. A. Heller
1941-5-24
16151
Butte
Clark Road 2 mi below Paradise
Comment
CAS-BOT-BC484560
Brodiaea minor
John Thomas Howell
1955-6-14
30437
Butte
Magalia
731
Comment
UC501524
Brodiaea minor
Frank W. Peirson
1926-6-21
6767
Butte
Humboldt Road Butte Meadows
Comment
SEINET3921419
Bromus alopecuros
Lowell Ahart
1985-5-9
4939
Butte
Peter Ahart Ranch, about 1 mile north and 1/4 mile east of Honcut, about 12 miles south of Oroville.; 0
37
Comment
CHSC35753
Bromus carinatus
R. E. Preston
1982-6-2
294
Butte
On the bank of Miocene Canal, ca. 1/4 mi s of Lime Saddle Powerhouse, ca. 4.5 mi se of Paradise.
292
Comment
SEINET10967307
Bromus carinatus
M. E. Banning
1969-7-3
Banning 10
Butte
Across from Chico Jr. Hi, on S. side of Memorial Way Chico.
61
Comment
CDA31935
Bromus catharticus
L. Ahart
2009-5-8
15666
Butte
On the south side of the gravel road, about 10 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico.
Comment
SEINET11689143
Bromus catharticus
J. M. Lund
1980-1
s.n.
Butte
S side of Nord Ave., 0.3 mi W of 1st St., beside an apt. complex, Chico
Comment
CHSC98973
Bromus diandrus
Lowell Ahart
2008-5-12
14742
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
HSC65336
Bromus hordeaceus
J. P. Smith
1974-4-20
7345
Butte
300 yds. S of junction of Pentz and Clark Rd.
61
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
CHSC96867
Bromus laevipes
Lowell Ahart
2007-6-3
13969
Butte
On the east side of Jordan Hill Road, about 1/10 mile northwest of the bridge across Concow Creek, about 1 1/2 miles (air) southwest of Concow Reservoir.
436
Comment
SEINET10520260
Bromus laevipes
Lowell Ahart
1982-9-13
Ahart 3806
Butte
On damp soil along edges of small wash that flows into Pinkard Creek, ca. 1/8 mi N of Lost Creek Reservoir Dam, ca. 2.2 mi NW of Strawberry Valley. Scattered, not common. Yellow Pine Forest.
1100
Comment
CAS-BOT-BC162365
Bromus madritensis
John Thomas Howell
1967-6-22
42622
Butte
Sierra Nevada. Magalia.
701
Comment
CHSC38799
Bromus madritensis subsp. rubens
Vernon Oswald
1983-3-19
199
Butte
Upper Bidwell Park, Chico, on the n side of Upper Park Rd. ca. 300 ft w of Parking Area M (1.2 mi e of the power lines).
146
Comment
CHSC46437
Bromus madritensis subsp. rubens
Lowell Ahart
1989-5-23
6262
Butte
Along Swedes Flat Road, about 1 mile east of the Oroville Bangor Highway, north of Bangor.
426
Comment
CHSC44550
Bromus sterilis
Lowell Ahart
1979-5-29
1894
Butte
West of Kunkle Creek, about 2 1/2 miles south-east of Paradise.
457
Comment
CHSC44173
Bromus suksdorfii
V. Oswald; L. Ahart
1988-7-26
3626
Butte
Snow Mt. region located ca. 6 air mi se of Jonesville.
2042
Comment
UCR115097
Bromus suksdorfii
G. Fred Hrusa, T. D. Wilfred
1996-7-9
13139
Butte
Sierra Nevada Mtns., Plumas National Forest. Above Jordan Creek, south of Hwy 162 near Roger's Cow Camp
1250
Comment
CAS-BOT-BC161502
Bromus tectorum
A. A. Heller
1919-5-17
13163
Butte
Banks of the Feather River near Stirling.
Comment
SEINET3450781
Bromus tectorum
Unknown
2003-5-9
10120
Butte
Gridley, Gridley, about 3 miles by air southwest, on the south side of Evans Reimer road, about 0.75 miles west of Block Road
20
Comment
UC726398
Bromus tectorum
A. A. Heller
1919-5-17
13163
Butte
near Stirling (Feather River); Feather River
975
Comment
SEINET10901259
Bromus tectorum
A. Arthur Heller
1919-5-17
Heller 13163
Butte
Banks of the Feather River near Stirling in the yellow pine and oak belt, the common shrubs Ceanothus nevadensis, Amelanchier, Salix, and Ribes.
Comment
CAS-BOT-BC185535
Bromus vulgaris
E. B. Copeland
1929-7-22
336
Butte
Jonesville.
1500
Comment
CHSC50388
Bromus vulgaris
Vernon Oswald
1990-6-1
4276
Butte
Butte Creek Trail, ca. 2 miles north-northwest of Lake De Sabla. Near the second intermittent streamlet south of the trailhead on Ponderosa Way (Doe Mill Rd).
609
Comment
UCD60256
Bromus vulgaris
E. B. Copeland
1929-7-22
336
Butte
Jonesville.
1500
Comment
CAS-BOT-BC18155
Bulbostylis capillaris
Lowell Ahart
1980-7-20
2472
Butte
At Big Bald Rock.
1100
Comment
CAS-BOT-BC185473
Calamagrostis canadensis
Lowell Ahart
1987-10-17
5917
Butte
Along the East Fork of the Last Chance Creek, about 0.5 mile northwest of Jones Meadow.
1676
Comment
CHSC79807
Calandrinia ciliata
Leanna Brown
1999-3-4
18
Butte
Lowell Drive, Chico. [Lat./Long. on label is '39 46 N; 121 52 W'].
62
Comment
JEPS127081
Calandrinia ciliata
Lowell Ahart
2016-4-15
20753
Butte
About 1/2 mile southwest of Dutch Ravine, about 8 miles (air) southeast of Oroville.
Comment
SEINET12331913
Callitriche heterophylla
Unknown
1985-1
4946
Butte
East branch of Potter Ravine, about 2.25 mi N of Oroville Dam
350
Comment
CHSC103742
Callitriche marginata
Lowell Ahart
2010-5-16
16687
Butte
About 1/4 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
371
Comment
CHSC29057
Callitriche marginata
R. A. Schlising
1980-4-2
3542
Butte
Richvale vernal pools; 1/4 mile S of junction Hwy 162 to Oroville and Hwy 99; along latter and across from Thermalito Afterbay.
Comment
JEPS119795
Callitriche marginata
Lowell Ahart
2012-5-4
17989
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
CHSC77983
Callitriche trochlearis
Lowell Ahart
2000-5-10
8335
Butte
On the bottom of a small moist (seepy) swale, about 100 yards south of a deep wash, 100 feet east of a dirt road, Peter Ahart ranch, about 1 3/4 miles north and 1 1/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
36
Comment
CHSC31419
Calocedrus decurrens
L. Ahart
1980-9-10
2623
Butte
Along the edge of Bean Creek Rd, ca. 1 mi se of Little Bald Rock, ne of Oroville.
335
Comment
JEPS115855
Calocedrus decurrens
Lowell Ahart
2009-11-19
16548
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
RSA769227
Calocedrus decurrens
L. Ahart
2009-11-19
16548
Butte
About 80 yards southeast of the gate, about 70 yards east of Ten Mile House Road, Upper Bidwell park, about 3/4 air mile west of Highway 32, about 10 miles northeast of Chico
270
Comment
SEINET12048527
Calochortus albus
Unknown
1977-1
16
Butte
ca 1 m W fo Cherokee Rd, 4 km N of Oroville
152
Comment
SEINET3884902
Calochortus albus
Johann D. Watjen
1969-5-4
32
Butte
Table Mountain, 0.4 mile off of Highway 70, 2 miles southwest of West Fork Feather River.; 0
98
Comment
CAS-BOT-BC489972
Calochortus leichtlinii
E. B. Copeland
1929-7-17
352
Butte
Above Jonesville.
2000
Comment
CAS-BOT-BC491860
Calochortus luteus
A. A. Heller
1914-4-24
11322
Butte
Hills 8 miles north of Oroville
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
CHSC101328
Calochortus monophyllus
Lowell Ahart
2009-4-22
15597
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
CHSC115417
Calochortus monophyllus
Kate Ronan
2013-4-9
Butte
Centerville flumes trail.
368
Comment
CHSC3522
Calochortus monophyllus
John Francis
1966-4-23
125
Butte
Table Mt.
Comment
CAS-BOT-BC492599
Calochortus monophyllus
Lowell Ahart
1985-3-22
4849
Butte
Foothill Woodland. About 1/2 mile north-east of the west Branch Bridge across Lake Oroville, 1/4 mile east of Highway 70, north of Oville
450
Comment
CAS-BOT-BC492601
Calochortus monophyllus
Jim Riley
1923-4-2
s.n.
Butte
Richardson Spring
Comment
SEINET10469599
Calochortus monophyllus
Mary Susan Taylor
1980-4-18
Taylor 2511
Butte
T23N R3E ne sec 27 Paradise quad. Ca. 1 mi S of Nimshew, ca. 1/4 mi E of Nimshew Road; Yellow Pine Forest. With J.D. Jokerst.
610
Comment
CHSC44657
Calochortus nudus
L. P. Janeway
1988-7-1
2927
Butte
Along mdwy cr draining lake of the SE-most head-waters of Butte Cr.
1935
Comment
CAS-BOT-BC175754
Caltha leptosepala
Alice Eastwood
1912-8-22
1841
Butte
Meadows, Lassen Butte
Comment
CHSC11814
Caltha leptosepala var. biflora
E. B. Copeland
1930-6-1
639
Butte
Jonesville. In meadow by North Willow Creek.
1550
Comment
UC1876193
Calycadenia fremontii
Gerald D. Carr
1971-6-15
563
Butte
0.4 mi W of E boundary of Upper Bidwell Park, SE of Chico.
Comment
CHSC41241
Calycadenia multiglandulosa
J. D. Jokerst
1985-5-24
2027
Butte
Cherokee area just south of Campbell Flat and east of Table Mt. In my backyard.
Comment
UCD129711
Calycadenia multiglandulosa
L. Ahart
1981-9-26
3208
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC93880
Calycadenia oppositifolia
L. P. Janeway
2006-5-28
8637
Butte
Northern High Sierra Nevada. Open serpentine bowl on west side of Concow Road about 3.2 mi northeast of the upper end of Concow Reservoir.
856
Comment
RSA255506
Calycadenia oppositifolia
Gerald D. Carr
1971-5-23
553
Butte
Vicinity of Jarbo Gap, Hwy 70, above turnout to Concow Rd.
Comment
RSA788197
Calycadenia oppositifolia
R. L. Carr
1977-7-5
2029
Butte
ca. 15 air mi N of Oroville, Hwy 70 at Pinkston Canyon Rd Jct, ca. 200 yds N on small dirt powerline road, (very near GDC 553, 558).
653
Comment
SEINET10473677
Calycadenia oppositifolia
Lowell Ahart
1985-5-15
Ahart 4979
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
JEPS120621
Calycadenia truncata
Lowell Ahart
2013-11-13
19254
Butte
About 50 yards southeast of the Ponderosa Dam spillway.
Comment
CAS-BOT-BC90928
Calycanthus occidentalis
John Thomas Howell
1967-6-22
42640
Butte
Sierra Nevada. 1 mile southwest of Pulga Bridge Canyon of the Feather River North Fork.
Comment
JEPS115584
Calycanthus occidentalis
Lowell Ahart
2009-5-23
15747
Butte
On the east edge of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highwat 32, about 10 miles northeast of Chico
203
Comment
JEPS127136
Calycanthus occidentalis
Lowell Ahart
2016-8-30
21318
Butte
On the north side of La Porte road, about one mile west of Marysville Road, about 4 miles (air) southwest of Brownsville.
Comment
SEINET10572718
Calyptridium umbellatum
Mary Susan Taylor
1978-7-18
Taylor 1691
Butte
On N side of Old Humboldt Road in open area in Yellow Pine Forest, ca. 2 mi E of junction of Old Humboldt Road and Hwy 32, ca. 5 mi W of Butte Meadows.
1326
Comment
CHSC33652
Calystegia atriplicifolia subsp. buttensis
R. A. Schlising
1975-6-20
3167
Butte
N of Magalia and NE of De Sabla, just NE of junction of Skyway and Humbug/Humboldt Roads.
853
Comment
CHSC33654
Calystegia atriplicifolia subsp. buttensis
R. A. Schlising
1974-9-5
3155
Butte
Along Skyway near De Sabla, 0.4 mi S of junction with Humbug Road leading to Nimshew.
Comment
CHSC94025
Calystegia occidentalis subsp. occidentalis
R. D. Fischer
2005-4-30
735
Butte
Sierra Nevada foothills, adjacent Hwy. 32, below Forest Ranch in the Big Chico Creek Ecological Reserve off Lookout Trail. Plants on a west facing, brushy hillside trail.
518
Comment
JEPS94294
Campanula prenanthoides
Lowell Ahart
1997-8-1
7793
Butte
about 1/4 mi e of Table Mountain (about 8 air mi ne of Stirling City, on w side of Little Kimshew Creek); Little Kimshew Creek
1371
Comment
RSA456171
Campanula prenanthoides
H. F. Copeland
599
Butte
Jonesville.
1524
Comment
CAS-BOT-BC37267
Cardamine breweri
Clarence Roy Quick
1963-7-16
63 50 a
Butte
Sierra Nevada. Section Corner Meadow, east of Pulga. Feather River Canyon.
1463
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
UCD114500
Cardamine californica
R. E. Preston
1981-2-28
45
Butte
50 m east of Coutelenc Road, 300 m north of its junction with The Skyway, Magalia.
700
Comment
CHSC28635
Cardamine oligosperma
M. S. Taylor
1979-3-31
1966
Butte
Lickey Ranch, along Ishi Trail Rd, ca. 1/2 mi ne of Concow Rd and Lake Concow, ca. 25 mi n of Oroville.
670
Comment
CHSC38050
Cardamine oligosperma
R. E. Preston
1983-2-7
379
Butte
N side of McCabe's Creek.
371
Comment
CHSC102187
Cardamine pachystigma
George W. Hartwell
2009-3-14
Butte
Rim Road, approx. 1.5 miles NW of SR 70 in an area burned by the Butte Lightening Complex wildfire, summer 2008.
885
Comment
CHSC83932
Cardamine pachystigma
L. P. Janeway; Gavin Blosser, Adam Henderson
2003-3-18
7740
Butte
Northern High Sierra Nevada. Low in the canyon of North Fork Feather River (Lake Oroville) between Big Bend Mountain and Swayne Hill; 1.8 km north-northwest of the mouth of French Creek.
329
Comment
CHSC83934
Cardamine pachystigma
L. P. Janeway; Gavin Blosser, Adam Henderson
2003-3-19
7743
Butte
Northern High Sierra Nevada. North-facing slope just above French Creek (Lake Oroville) about 300 m south-southeast of its confluence at North Fork Feather River.
341
Comment
CHSC92532
Cardamine pachystigma
L. P. Janeway; S. Mackey Hillaire, M. Brown, J. Tuitele-Lewis
2005-4-26
8369
Butte
Northern High Sierra Nevada. Plumas National Forest; Ridgetop between Cirby Creek and Flea Valley Creek drainages; along Concow Road 0.9 road km north-northwest of junction with Rim Road (Ponderosa Way).
1042
Comment
CHSC101492
Cardamine pachystigma var. dissectifolia
Samantha Mackey Hillaire
2007-4-17
1250
Butte
DeSabla Powerhouse Road, Butte Creek Canyon, approximately 1 mile SW of DeSabla Reservoir. UTM 10 618377E, 4414780N.
463
Comment
CHSC33169
Cardamine pachystigma var. dissectifolia
R. E. Preston
1981-2-28
46
Butte
100 m w of Little Butte Cr., ca. 2.4 km n of Magalia.
717
Comment
HSC100727
Cardaria chalepensis
Lowell Ahart
2009-4-2
15520
Butte
E side of Hwy. 99, ~1 mi. S of Gridley.
27
Comment
CHSC106866
Carduus pycnocephalus
Lowell Ahart
2011-5-1
17333
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
CHSC116739
Carduus pycnocephalus subsp. pycnocephalus
Lowell Ahart
2016-5-24
20843
Butte
Near the ditch, about 200 yards west of Loma Rica Road, about 300 yards southwest of the intersection of Loma Rica Road and La Porte Road, about 3 1/2 miles (air) northeast of Honcut.
50
Comment
CAS-BOT-BC18210
Carex
Lowell Ahart
1988-4-15
5960
Butte
In the lawn, Peter Ahart Ranch, about 1.5 mile north and 1 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC49385
Carex abrupta
L. P. Janeway; R. A. Schlising
1988-7-16
3029
Butte
Large meadow at head'waters' of Willow Cr.
1935
Comment
UCD140080
Carex amplifolia
L. P. Janeway
1988-6-16
2793
Butte
West Br Butte Creek near Lomo; 0.1 mile from Humboldt Road along Cedar Loop Road.
1158
Comment
UC1108031
Carex angustata
H. F. Copeland
1932-8-12
Butte
Butte Creek Meadow
Comment
SD470
Carex angustata
E. B. Copeland
1930-8-10
Butte
Jonesville; marshy meadow.
456
Comment
CAS-BOT-BC18055
Carex athrostachya
H. F. Copeland
1928-8-20
1063
Butte
Jonesville.
Comment
UCD140126
Carex aurea
L. P. Janeway; R. A. Schlising
1988-7-16
3011
Butte
adjacent to Jones Creek at crossing of road to Scotts John Creek.
1615
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
CHSC43915
Carex barbarae
L. P. Janeway
1987-6-8
2167
Butte
Sandy flat along French Cr 0.5 mi W of the mouth of Ram Cr and the bridge.
609
Comment
UCD140165
Carex barbarae
John Thomas Howell
1955-9-6
30908
Butte
Bank of Butte Creek east of Butte City.
Comment
CHSC61650
Carex bolanderi
Lowell Ahart
1993-9-13
7227
Butte
On the south side of Bolt Creek, about 1 mile south-east of Butte Meadows.
1325
Comment
CHSC84208
Carex bolanderi
Lowell Ahart
2003-6-30
10324
Butte
Along a small stream, on the south side of Ponderosa Way, about 2 1/2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown.
578
Comment
SEINET10586772
Carex bolanderi
Lowell Ahart
2010-6-12
Ahart 16796
Butte
T22N, R2E, northwest 1/4 Section 35. About 150 yards east of Ten Mile House Road, about 3.4 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico.
238
Comment
UC1609342
Carex bolanderi
Lowell Ahart
1993-6-26
7008
Butte
about 1/4 mi w Lost Creek Reservoir (on the n side of the dirt road)
1036
Comment
CAS-BOT-BC19600
Carex brainerdii
L. P. Janeway
1987-7-5
2450
Butte
0.4 mile east on a spur road from the Concow Road, which is 1.0 mile southwest of Jones Meadow.
1798
Comment
CHSC91175
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
CHSC107598
Carex cyrtostachya
Lowell Ahart
2011-7-9
17574
Butte
Southeast edge of a large open bare granite area, about 3/8 mile east of Little Bald Rock, about 2 miles (air) southeast of Brush Creek, about 15 miles (air) northeast of Oroville.
974
Comment
CDA33055
Carex densa
J. W. Jones
Jul 1922
Butte
Biggs; Rice Station
0
Comment
CAS-BOT-BC19847
Carex echinata
E. B. Copeland
1929-7-5
s.n.
Butte
Jonesville.
1500
Comment
CAS-BOT-BC20001
Carex feta
J. D. Jokerst
1984-5-19
2025
Butte
At the edge of Highway 70.
Comment
CHSC84750
Carex feta
L. P. Janeway
2003-6-8
7818
Butte
High Cascade Range. Flea Valley: meadow at head of Concow Creek.
1116
Comment
SEINET4286135
Carex feta
L. Janeway, Gog, L
2008-1
3185 A
Butte
Near Cornelia Lott Sank Memorial Spring.
Comment
CAS-BOT-BC21238
Carex fracta
R. Tallent
1987-8-18
953
Butte
Lassen National Forest. Along Jones Creek, NE of Jonesville.
1720
Comment
HSC87072
Carex fracta
L. P. Janeway
1987-6-27
2337
Butte
Canyon of Little Kimshew Creek, along road 0.9 mi. N of the Concow Rd.
1509
Comment
CHSC42828
Carex hirtissima
L. P. Janeway
1987-5-10
2045
Butte
Mdw at jct of Skyway and Doe Mill Rd/Humbug Rd, just N of Da Sabla Reservoir.
838
Comment
JEPS110450
Carex integra
Lowell Ahart
2006-8-15
13175
Butte
N edge of a wet area W of a large open meadow and bog, about 20 yards E of the poor dirt road, about 100 yards S of the cabin, about 3/4 mile (air) NW of Jonesville, about 5 miles (air) NE of Butte Meadows.
1569
Comment
CAS-BOT-BC94043
Carex inversa
Peter F. Zika
2010-5-16
24827
Butte
Baldwin Avenue near Spencer Avenue, Oroville, Ahart's station, Sacramento Valley (ScV)
65
Comment
CHSC44689
Carex jonesii
L. P. Janeway; C. A. Janeway
1986-9-13
1850
Butte
Mdw along Humbug Summit Rd ca 1 1/2 mi SW of the summit.
1859
Comment
CHSC76846
Carex laeviculmis
L. P. Janeway; B. Castro, Linnea Hanson, Hal Durio.
1997-6-13
5138
Butte
About 1.8 mi northeast of Brush Creek, about 1.0 mi east-southeast of Mountain House; along an unnamed tributary of Mountain House Creek at Road 22N54.
1112
Comment
CAS-BOT-BC31123
Carex lemmonii
L. P. Janeway; Robert A. Schlising
1988-7-22
3069
Butte
Jonesville quad. Seep just above the High Lakes Rd. 3.4 mi W of the pass. In the canyon of Philbrook Creek.
1905
Comment
CHSC11934
Carex lemmonii
E. B. Copeland
1929-7-5
610
Butte
Jonesville.
1500
Comment
JEPS94302
Carex lemmonii
Lowell Ahart
1997-8-1
7777
Butte
about 8 air mi ne of Stirling City (near some small streamlets of Little Kimshew Creek, in Snow Meadow, about 1/4 mi e of Table Mountain); Snow Meadow
1524
Comment
CAS-BOT-BC32152
Carex multicaulis
Lowell Ahart
1980-5-29
2361
Butte
2.5 mi NE of Mountain House.
1100
Comment
CHSC43876
Carex multicaulis
L. P. Janeway; C. A. Janeway
1986-8-31
1802
Butte
South side of hwy 32, 19 mi E of hwy 99; near Platte Mtn Lookout CDF fire station.
1066
Comment
CHSC43921
Carex multicaulis
L. P. Janeway; C. A. Janeway
1987-4-20
2007
Butte
In front of county line sign along hwy 32 less than 1 mi N of Humboldt Road (to Butte Mdws).
1097
Comment
RSA325125
Carex multicaulis
M. S. Taylor
1981-3-24
3435
Butte
Two mile stretch along both sides of Feather River Highway (70), just NE of Pulga to Cresta Powerhouse, ca. 20 miles NE of Oroville.
518
Comment
HSC87067
Carex multicaulis
L. P. Janeway
1987-5-20
2080
Butte
N fork of Feather River, above Hwy. 70, 3.1 mi. NE of Pulga Bridge
473
Comment
CHSC42802
Carex pellita
L. P. Janeway; C. A. Janeway
1986-8-31
1815
Butte
NE side of Philbrook Reservoir, across the rd from the picnic area.
1691
Comment
UC600697
Carex pellita
H. F. Copeland
1923-8-1
554
Butte
Jonesville
Comment
JEPS102949
Carex retroflexa var. texensis
L. P. Janeway
1997-4-20
5105
Butte
Within the City of Chico; south side of town; in backyard lawn at 129 W. 19th Street
60
Comment
CHSC48555
Carex rossii
L. P. Janeway; R. A. Schlising
1988-7-16
3014
Butte
Along Willow Cr 1 mi W of Humbug Rd.
1798
Comment
CAS-BOT-BC117391
Carex senta
A. S. Crafts
1976-4-12
s.n.
Butte
Peter Ahart Ranch, Honcut.
150
Comment
CHSC44964
Carex serratodens
L. P. Janeway; C. A. Janeway
1986-10-12
1918
Butte
Side cyn on N-side N Fk Feather River and along hwy 70 ca 5 mi E of Jarbo Gap. Site of old (probably) mining operation.
487
Comment
CHSC44106
Carex stipata var. stipata
L. P. Janeway
1987-6-8
2163
Butte
Along French Cr across from mouth of Ram Cr.
617
Comment
CHSC106161
Carex subfusca
Peter F. Zika
2009-6-17
24515
Butte
Cascade Range Highlands (CaRH), below Concow Road 10 road miles above (N of) Route 70.
1100
Comment
CHSC52879
Carex subfusca
L. P. Janeway
1987-7-4
2428 A
Butte
Near seepy area along road to Jones Mdw 9.6 mi from Inskip. NW-facing slopes above Last Chance Cr.
1676
Comment
UC478549
Carex subfusca
E. B. Copeland
1929-7-20
611
Butte
in woods by Jones Creek Jonesville
1500
Comment
CDA33157
Carex subfusca
T. C. Fuller
1963-7-12
9187
Butte
Butte Creek; road to Jonesville, 2 miles east of Butte Meadow.
0
Comment
SEINET7577159
Carex subfusca
Lowell Ahart
1987-5-6
5544
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CAS-BOT-BC115067
Carex vesicaria
L. P. Janeway
1988-7-29
3132
Butte
Meadow near Humbug Summit Rd 1.5 mi NE of the Snag Lake dam.
1767
Comment
CAS-BOT-BC65489
Carex vesicaria var. vesicaria
L. P. Janeway
1995-8-5
4889
Butte
North side of Humbug Summit Rd about 1.2 mi northeast of Snag Lake.
1801
Comment
CHSC44838
Carex whitneyi
L. P. Janeway; R. A. Schlising, B. Castro
1988-7-23
3077
Butte
Top of ridge between Snag Lake and Butte Cr; ca 1.4 air mi W of Butte Creek House.
1935
Comment
SEINET13723638
Carex xerophila
P. F. Zika, L. P. Janeway
2012-5-16
25868
Butte
northern highlands, Coutolenc Road 0.1 mi north of Skyway Road
720
Comment
SEINET10478176
Castanea sativa
Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney
1973-6-5
Conrad 7034
Butte
Roadside in paradise
792
Comment
CHSC115356
Castilleja affinis subsp. affinis
Lowell Ahart
2015-3-24
19962
Butte
Cliffs, on the road cut on the south side of Pacific Heights Road, about 3 1/2 miles (air) southwest of Oroville.
47
Comment
CHSC114978
Castilleja applegatei subsp. pinetorum
Lowell Ahart
2015-4-13
20032
Butte
Road cut, on the west side of Rim Road, about 1/4 mile north of Jrbo Gap, about 15 miles (air) north of Oroville.
730
Comment
CHSC27563
Castilleja applegatei subsp. pinetorum
Robert Schlising
1978-5-17
3262
Butte
Magalia. Just S of Magalia Reservoir and crossed by S. T. RR and Coutelenc Road.
670
Comment
CAS-BOT-BC255455
Castilleja applegatei var. pinetorum
Lowell Ahart
1985-5-15
5005
Butte
1/8 mile east of dirt road, 1 1/2 miles north-east of Concow Res.
800
Comment
UC492741
Castilleja arachnoidea
H. F. Copeland
1932-8-24
Butte
just above Butte Creek meadows (to the crest of w wall of Butte Creek drainage basin); Jonesville, Butte Creek
Comment
CHSC55418
Castilleja attenuata
L. P. Janway
1991-4-30
3920
Butte
Ridge between Montgomery Bar Ravine and Lannigan Gulch, ca 3/4 mi west of Crystal Hill and ca 1/2 mi south of middle Fork Feather River.
426
Comment
JEPS124207
Castilleja campestris subsp. campestris
Lowell Ahart
2015-4-11
20030
Butte
About 1 1/2 miles northeast of Honcut, about 1/2 miles east of Parlemo Honcut Highway, about 12 miles (air) south of Oroville.
Comment
CDA41243
Castilleja lacera
L. Ahart
2005-7-13
12146
Butte
About 10 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.
Comment
CHSC26789
Castilleja lacera
M. S. Taylor
1978-5-6
1620
Butte
Ca. 8 mi ne of Chico, ca. 1/2 mi e of Cohasset Rd.
137
Comment
JEPS124169
Castilleja lineariloba
Lowell Ahart
2015-3-31
19986
Butte
About one mile north of suspension bridge across Lake Oroville, about 7 miles (air) northeast of Oroville.
Comment
CDA33627
Castilleja lineariloba
R. A. Price
2010-5-1
s.n.
Butte
Along Oroville Reservoir; northwest of bridge.
0
Comment
POM181782
Castilleja miniata
H. F. Copeland
1927-09
253
Butte
Jonesville.
Comment
POM252809
Castilleja miniata
A. A. Heller
1938-7-20
15280
Butte
Upper end of Snag Lake, East of Chaparral.
1524
Comment
UC1032477
Castilleja pruinosa
J. E. Sowder, A. E. Wieslander
1933-6-24
92
Butte
0.5 mi e Inskip; Chico Quad.
1432
Comment
SFV3409
Castilleja rubicundula subsp. lithospermoides
M. L. Vincent
1962-4-17
201 A
Butte
Sierra Nevada At Pentz and Nelson Bar Roads. 5 miles south of Paradise.
330
Comment
CHSC38417
Caulanthus lasiophyllus
Vernon Oswald
1983-3-6
124
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1.3 mi e of the power lines.
341
Comment
CHSC46480
Caulanthus lasiophyllus
Lowell Ahart
1974-4-11
384
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 2 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
RSA181783
Ceanothus cordulatus
H. F. Copeland
1927-9-2
232
Butte
[Unspecified]
Comment
UC600529
Ceanothus cordulatus
H. F. Copeland
1927-9-2
Butte
Jonesville
Comment
CAS-BOT-BC48813
Ceanothus cuneatus
A. A. Heller; H. E. Brown
1902-5-7
5488
Butte
Berry Canyon (near Clear Creek)
Comment
CHSC107398
Ceanothus cuneatus
Blake McSorley
2010-3-2
Butte
Bidwell Park at end of Centennial Ave. In degraded riparian area along Big Chico Creek.
86
Comment
UC224215
Ceanothus cuneatus var. cuneatus
H. E. Brown
Mar 2 1897-Mar 22 1897
157
Butte
near Clear Creek
53
Comment
SBBG28496
Ceanothus integerrimus
E. B. Copeland
1929-7-14
Butte
Jonesville
1650
Comment
SD2946
Ceanothus integerrimus
E. B. Copeland
1929-7-14
Butte
Jonesville, in edge of fir and pine woods.
1650
Comment
POM136438
Ceanothus integerrimus var. puberulus
A. A. Heller, H. E. Brown
1902-5-7
5481
Butte
Berry Canyon (Near Clear Creek).
Comment
CAS-BOT-BC51730
Ceanothus lemmonii
A. A. Heller
1914-5-18
11371
Butte
Forest Ranch, West slope of the Sierra near Forest Ranch
822
Comment
CHSC1511
Ceanothus lemmonii
V. Keeler
1925-3-2
Butte
Paradise.
548
Comment
CHSC31410
Ceanothus lemmonii
Leslie Steidl
1980-4-10
14
Butte
Ca. 17 mi ne of Oroville, ca. 2 yd e of Lumpkin Rd and 10 yd n of Mc Cabe Creek. SW1/4 of NE1/4 of NE1/4 of SE1/4.
390
Comment
CHSC86136
Ceanothus parvifolius
John Dittes
2002-6-29
624
Butte
Northern High Sierra Nevada Range; Watson Ridge; ca. 2.3 air-miles south of Middle Fork Feather River, ca. 2.9 air-mile west by southwest of Cascade, ca. 6.8 air-miles north by northeast of town of Feather Falls. On slope above FS access road.
1255
Comment
LA44958
Ceanothus prostratus
E. B. Copeland;
1930-7-7
425
Butte
Jonesville
1600.0
Comment
SEINET194924
Ceanothus prostratus
A. A. Heller
1941-6-22
16179
Butte
Cohasset
Comment
UC1071269
Ceanothus prostratus
P. L. Johannsen
1936-7-16
925
Butte
1 3/4 mi ese Butte Mdws (Lassen National Forest); , Paynes Creek Quad.
Comment
UC600530
Ceanothus prostratus
H. F. Copeland
1931-6-10
Butte
between Willow and Colby Creeks; Jonesville, btw Willow and Colby Creeks
Comment
UC725531
Ceanothus prostratus
A. A. Heller
1939-4-10
15371
Butte
Comment
CDA7091
Centaurea calcitrapa
W. Gilbert, R. Dodd
1970-7-22
Butte
South side of Highway 32 to Lake Almanor, northeast of Forest Ranch, 19.5 miles northeast of Chico.
0
Comment
CAS-BOT-BC272093
Centaurea melitensis
A. A. Heller
1916-4-13
1753
Butte
Stilson Canyon east of Chico
Comment
CAS-BOT-BC272096
Centaurea melitensis
A. A. Heller
1914-7-13
11566
Butte
Mt. Ida ranch 10 miles east of Oroville in a field
Comment
SEINET10840940
Centaurium tenuiflorum
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4128
Butte
T20N R8E ne sec 9. Along Ponderosa Way (Big Ridge Rd), ca. 2 mi se of the jct with Oroville-Quincy Hwy, ca. 15 mi ne of Oroville. Foothill Woodland; 500 m.
500
Comment
JEPS94760
Centaurium venustum
Lowell Ahart
1998-6-3
7969
Butte
about 7 air mi n of Oroville (about 1/4 mi n of the cow chute along Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road
403
Comment
CAS-BOT-BC288525
Centromadia fitchii
David D. Keck
1930-7-25
973
Butte
6.5 miles E of Oroville on Forbestown Rd
425
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
CHSC113390
Cephalanthera austiniae
Lowell Ahart
2014-7-2
19539
Butte
North edge of a small meadow, on the south side of the County Road, about one mile west of the intersection of County Road and Lumpkin Road, about 7 miles northeast of Feather Falls.
1260
Comment
POM107566
Cephalanthera austiniae
C. C. Bruce
1897-06
64
Butte
Sutton House
Comment
CHSC42972
Cephalanthus occidentalis var. californicus
Lowell Ahart
1987-7-17
5828
Butte
Near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC111148
Cerastium fontanum subsp. vulgare
Lowell Ahart
2012-6-14
18192
Butte
On the south side of the path, south of CARD Community Center, Lower Bidwell Park, Chico.
62
Comment
CDA3350
Cerastium fontanum subsp. vulgare
T. C. Fuller
1962-7-12
9183
Butte
Road to Jonesville, 2 miles east of Butte Meadows.
0
Comment
CHSC92534
Cerastium glomeratum
L. P. Janeway
2005-3-10
8344
Butte
Cascade Range Foothills. East edge of city of Chico; north side of Humboldt Road 1.8 km northeast of Bruce Road.
134
Comment
CHSC115455
Cercocarpus betuloides
M. Sutton; C. Yasuda, S. Luse
2013-3-5
6
Butte
Ten mile house trail.
391
Comment
CHSC116951
Cercocarpus betuloides
Matthew Forster
2013-3-5
Butte
Hwy 32 off of 14 Mile House Rd.
472
Comment
CHSC52367
Cercocarpus betuloides var. betuloides
Pauleen Broyles
1987-4-24
1001
Butte
On N side of Singer/Pine Creek in Oak Riparian Woodland. Vina Plains Preserve.
Comment
CHSC49825
Chaenactis glabriuscula var. heterocarpha
Vernon Oswald
1990-4-4
4149
Butte
Lime Saddle Recreation Area on the West Branch of Lake Oroville, ca. 0.2 mi ne of Nelson Bar Launch, ca. 0.2 mi se of Lime Saddle Powerhouse.
304
Comment
CHSC3221
Chamaecyparis lawsoniana
Virginia Hagaman
1966-3-5
47
Butte
Lower Bidwell Park.
Comment Read comments Jul 25 2018
CHSC6636
Chamaecyparis lawsoniana
M. MacArthur
1968-6-12
367
Butte
S side of Administration Building, Chico State College campus.
60
Comment
CHSC30216
Chamaesyce hooveri
M. S. Taylor
1980-8-15
3252
Butte
In Pentz vernal pool, 0.4 mi se of jct of Pentz (Benum) Rd and Hwy 99, ca. 10 mi s of Chico.
54
Comment
CDA35238
Chamaesyce hooveri
T. C. Fuller
1962-5-17
8712
Butte
Highway 99E to Vina, 12.3 miles northwest of Chico.
0
Comment
CHSC102522
Chamaesyce maculata
Lowell Ahart
2009-10-7
16407
Butte
Larkin Road access to the Thermalito Afterbay, about 5 miles (air) southwest of Oroville.
41
Comment
CHSC113525
Chamaesyce maculata
Lowell Ahart
2014-9-23
19879
Butte
Near a small drainage, on the northeast part of Horseshoe Lake, about 100 yards northeast of the Rod and Gun Club, Upper Bidwell Park, about one mile east of Chico.
88
Comment
CHSC47424
Chamaesyce maculata
Lowell Ahart
1975-7-19
898
Butte
Along the edge 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.
36
Comment
CHSC6040
Chamaesyce maculata
M. MacArthur
1968-6-12
137
Butte
Ca. 50 ft. NW of Biology Stockroom in Life Science Bld., Chico State College campus.
60
Comment
CDA32021
Chamaesyce ocellata subsp. ocellata
L. Ahart
2009-8-15
16284
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
Comment
CHSC47422
Chamaesyce serpillifolia subsp. serpillifolia
Lowell Ahart
1984-8-19
4785
Butte
North of the state borrow area, west of Pacific Heights Road, about 5 miles south-west of Oroville.
36
Comment
CHSC58911
Chamaesyce serpillifolia subsp. serpillifolia
Lowell Ahart
1992-7-21
6794
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
JEPS95806
Chamaesyce serpillifolia subsp. serpillifolia
Lowell Ahart
1999-10-28
8310
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
CAS-BOT-BC32685
Chamaesyce sulfurea
Amos Arthur Heller
1913-9-16
11140
Butte
Hills near Big Chico Creek, east of Chico
Comment
SEINET7728148
Cheilanthes californica
Unknown
Butte
Cold Canyon
Comment
POM121005
Cheilanthes gracillima
C. C. Bruce
1898-05
2397
Butte
Summit
Comment
CHSC42499
Chenopodium album
Lowell Ahart
1987-6-9
5726
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
JEPS95916
Chenopodium ambrosioides var. ambrosioides
Lowell Ahart
1999-8-22
8183
Butte
northwest of Parrott Landing; about 1 mile southeast of Ord Ferry; about 2 miles southeast of Ordbend; about 12 miles (air) southwest of Chico
32
Comment
RSA725000
Chenopodium ambrosioides var. ambrosioides
L. Ahart
2006-9-11
13281
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
CHSC51255
Chenopodium berlandieri
Lowell Ahart
1990-9-30
6609
Butte
On the south 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.
243
Comment
SEINET10479018
Chenopodium botrys
Mary Susan Taylor
1979-10-5
Taylor 2226
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
CHSC60679
Chenopodium californicum
Vernon H. Oswald; Jim Snowden
1993-3-18
5232
Butte
Near rimrock on the N side of Nugen Canyon, on the SE side of Neal Rd., about 0.25 mi. south of 'The Narrows'.
121
Comment
SEINET10479079
Chenopodium pumilio
Lowell Ahart, Peter Ahart
1984-7-19
Ahart 4744
Butte
About 1 1/2 mile south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 miles north-east of Stirling City.
Comment
CAS-BOT-BC451482
Chimaphila umbellata
E. B. Copeland
1930-6-24
432
Butte
Jonesville
1550
Comment
SBBG16796
Chimaphila umbellata
E. B. Copeland
1930-6-24
Butte
Jonesville
1550
Comment
CHSC44918
Chloris virgata
Lowell Ahart
1988-7-31
6141
Butte
On the east side of Lone Tree Road, about 50 yards north of the intersection with Cox Lane, about 8 miles south of Oroville.
33
Comment
CHSC49527
Chloris virgata
Vernon Oswald
1983-7-3
799
Butte
Located at the n-e corner of Calif. Hwy 32 and W. Lindo Ave. in Chico. Roadside, along edge of almond orchard.
Comment
CHSC30812
Chlorogalum pomeridianum
M. S. Taylor
1978-7-21
1841
Butte
Big Bald Rock, ca. 3 mi e of Lake Madrone.
996
Comment
CAS-BOT-BC252671
Chorizanthe membranacea
Lowell Ahart
1980-5-12
2244
Butte
Peter Ahart Ranch, Honcut
50
Comment
CHSC51892
Chorizanthe membranacea
L. P. Janeway
1988-5-29
2710
Butte
Ridge between hwy 32 and the piece of old road that connects to Crown Point Rd, 2 air mi N of Ten Mile House. S-facing slope near tuscan Mudflow outcrop.
579
Comment
RSA0036433
Chorizanthe membranacea
Lowell A. Ahart
2012-5-12
18038
Butte
On the west edge of an old road, Humboldt Trail, about 1/10 mile west of Highway 32, south part of Upper Bidwell Park, about 7.5 miles (air) northeast of Chico.
414
Comment
RSA104166
Chorizanthe membranacea
R. M. Austin
1883-1
s.n.
Butte
[No location data on label]
Comment
CHSC84285
Chorizanthe stellulata
Lowell Ahart; John Dittes, Josephine Guardino, Steve Green
2003-5-27
10218
Butte
Rifle and Trap Range, northeast of Horseshoe Lake, north of Parking Area E, Upper Bidwell Park, about 1 1/2 miles east of Manzanita Avenue, Chico.
103
Comment
SEINET516311
Chorizanthe stellulata
Vernon H. Oswald
1998-5-6
8986
Butte
Upper Bidwell Park (new addition), Pine trail near the trailhead on Hwy 32 between Chico and Forest Ranch opposite Santos Rd.
453
Comment
UC1135229
Chrysolepis sempervirens
C. G. Albertus
1933-7-26
52
Butte
0.25 mi s Barnum Mill; Chico Quad.
1371
Comment
POM308435
Chrysothamnus nauseosus subsp. albicaulis
Henry J. Ramsey, Henry J. Ramsey
1939-10-15
3064
Butte
Feather River Hwy.
Comment
JEPS106001
Cicendia quadrangularis
Lowell Ahart
2004-4-4
10714
Butte
Bottom of a vernal pool, about 250 yards east of Wilber Road, northeast of the high hill crossed by Wilber Road, cattle pasture, about 3 miles (air) west of Thermalito
48
Comment
JEPS117264
Cicendia quadrangularis
Lowell Ahart
2010-5-14
16645
Butte
On the west side of the old Humboldt Road, Disc Golf Area, about 150 yards west 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
UCR7827
Cichorium intybus
Wm. Horn Jr.
1964-6-28
640628- 01
Butte
California Div. of Forestry Station; along road
1083
Comment
UC921141
Cirsium occidentale var. candidissimum
H. S. Reed
1939-8-5
292
Butte
Chico
Comment
UC1716063
Cistus salviifolius
M. S. Taylor
1975-5-6
561
Butte
along creek between bridge connecting Holt Hall and Butte Hall, and bridge connecting Holt Hall and Chemistry Building California State University, Chico
Comment
CHSC90196
Clarkia arcuata
Camela J. Ott
1989-4-11
11
Butte
Ca. 100 m s of covered bridge, 10.2 km ese of Chico.
200
Comment
CHSC84865
Clarkia biloba subsp. brandegeeae
L. P. Janeway; John Hunt
2003-6-5
7809
Butte
Northern Sierra Nevada Foothills. Steep north-facing slope above Lake Oroville 550 m east of the south end of Bidwell Bar Bridge.
290
Comment
JEPS105624
Clarkia biloba subsp. brandegeeae
L. P. Janeway, John Hunt
2003-6-5
7807
Butte
Northern Sierra Nevada Foothills. Northerly-facing slope over-looking Lake Oroville about 102 m west of the south end of Bidwell Bar Bridge, between the Oroville-Quincy Hwy and the lake
287
Comment
LA205996
Clarkia biloba subsp. brandegeeae
H. Lewis; M. Lewis
1947-6-11
394
Butte
7.0 mi. NW of Bangor on the road to Oroville
Comment
JEPS105625
Clarkia concinna subsp. concinna
L. P. Janeway, John Hunt
2003-6-5
7810
Butte
Northern Sierra Nevada Foothills. Steep north-facing slope above Lake Oroville 550 m east of the south end of Bidwell Bar Bridge
290
Comment
CAS-BOT-BC164524
Clarkia gracilis subsp. albicaulis
R. W. Thorp
1963-7-1
63 -47
Butte
Jarbo Pass, 6.2 miles northeast
Comment
LA25999
Clarkia gracilis subsp. albicaulis
Carl B. Wolf;
1937-6-12
8783
Butte
2.5 mi. SE of Oroville on road to Wyandotte
91
Comment
CAS-BOT-BC171878
Clarkia gracilis subsp. gracilis
Carl B. Wolf
1937-5-14
8663
Butte
Sierra Nevada Foothills, 2 1/2 mi. SE of Oroville on road to Wyandotte
91
Comment
CHSC63970
Clarkia mildrediae subsp. lutescens
B. Castro; Robin Fallscheer
1989-7-13
321
Butte
Ca 4.5 road mi NE of Brush Creek, ca 0.2 mi SW of Junction House, on NW-facing road cut on SE side of the Oro-Quincy Hwy ca 0.6-0.7 mi S of its jcn with USFS Rd 23N60.
990
Comment
CHSC71151
Clarkia mildrediae subsp. lutescens
L. P. Janeway
1994-7-7
4684
Butte
South side of ridge between Haphazard, Baker, and Foreman Creeks; 3.7 road mi west of Oroville-Quincy hwy and Rogers Cow Camp via Roads 23N15, 22N66X, and 22N40X. Southwest-facing road cutbank and above.
1158
Comment
CHSC46132
Clarkia mildrediae subsp. mildrediae
Lowell Ahart
1984-7-19
4745
Butte
Along a logging road, near the dirt road, 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
CHSC46134
Clarkia mosquinii
Lowell Ahart
1984-6-8
4663
Butte
In the cutbank at the little building at the Ponderosa Dam, about 2 air miles north-west of Forbestown.
335
Comment
CHSC89908
Clarkia mosquinii
N. L. Jurjavcic; M. K. Hayden
2004-6-10
Butte
Northern Sierra Nevada Foothills. Along roadside leading across Ponderosa Dam.
304
Comment
UCD169420
Clarkia mosquinii
L. P. Janeway
2002-6-22
7605
Butte
Northern High Sierra Nevada. Along Bardee's Bar Road 1.3 km north of Big Bend Road; about 1/2 way between Jarbo Gap and North Fork Feather River.
655
Comment
CAS-BOT-BC172530
Clarkia purpurea subsp. purpurea
A. A. Heller
1914-5-11
11384
Butte
Hills 8 miles north of Oroville
Comment
CAS-BOT-BC163639
Clarkia purpurea subsp. quadrivulnera
A. A. Heller
1915-5-28
11908
Butte
Near Cohasset
Comment
CHSC46386
Clarkia purpurea subsp. quadrivulnera
Lowell Ahart
1989-5-23
6249
Butte
Along the edges of Avocado Road, about 1/2 mile west of the Oroville Bangor Highway, about 1 mile north-west of Bangor.
213
Comment
CAS-BOT-BC172380
Clarkia purpurea subsp. viminea
Mrs. J. H. Morrison
1932-6-5
s.n.
Butte
Durham
Comment
CHSC37429
Clarkia rhomboidea
R. Schlising; K. Tarp
1982-7-28
4352
Butte
E of Pulga and SW of Coyote Gap Station, on Big Bar Mountain Road. On roadside bank.
1249
Comment
CHSC70743
Clarkia rhomboidea
L. P. Janeway
1993-6-3
4366
Butte
South end of Swayne Hill, along the road to Big Bar Mountain (Road 23N28).
731
Comment
CAS-BOT-BC164801
Clarkia rhomboidea
Mrs. H. C. Cantelow
1941-5-25
s.n.
Butte
West branch of Feather River at junction with road to Las Plumas
Comment
SEINET10841118
Clarkia rhomboidea
Lowell Ahart
1984-6-8
Ahart 4663
Butte
At the Ponderosa Dam, ca. 2 mi NW of Forbestown; Yellow Pine Forest; 370 m.
370
Comment
CHSC40613
Claytonia exigua subsp. exigua
Ahart; Jokerst
1985-3-24
4859
Butte
Found growing on damp bare broken disturbed serpentine west of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill.
550
Comment
CAS-BOT-BC439112
Claytonia exigua subsp. exigua
Lowell Ahart
1982-5-8
3418
Butte
About 1/2 mile south-west of the Forbestown Res., about 4 1/2 miles north-east of Forbestown
800
Comment
CHSC26737
Claytonia palustris
M. S. Taylor
1977-7-15
1402
Butte
Scattered creekside in shade, Butte Meadows, ca. 20 mi ne of Chico off Hwy 32.
1326
Comment
SEINET10572698
Claytonia parviflora
Mary Susan Taylor
1981-4-5
Taylor 3499
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
UC726489
Claytonia parviflora subsp. parviflora
A. A. Heller
1920-4-10
13362
Butte
Chico
Comment
CHSC30356
Claytonia perfoliata subsp. perfoliata
J. D. Jokerst
1979-3-5
1139
Butte
Top of North Table Mt., 300 m NW of the intersection of Cherokee Rd and the E edge of section 17.
Comment
JEPS108794
Claytonia perfoliata subsp. perfoliata
Lowell Ahart
2006-5-8
12596
Butte
Steep bank on the south side of a small stream, about 50 yards east of the fence and reservoir, about 2 1/4 miles west of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville
296
Comment
SEINET10929039
Claytonia rubra
Mary Susan Taylor
1981-3-24
Taylor 3440
Butte
Two mile stretch along both sides of Feather River Hwy (70), just ne of Pulga to Cresta Powerhouse, ca. 20 mi ne of Oroville; granite gravels & soil; ca. 1700 ft. T23N R5E Pulga quad.
518
Comment
CAS-BOT-BC443765
Claytonia rubra subsp. rubra
A. A. Heller
1918-5-5
13007
Butte
Near Magalia
Comment
CHSC26641
Clematis lasiantha
M. S. Taylor
1977-11-12
1543
Butte
At very end of Upper Bidwell Park Rd, Chico.
243
Comment
CHSC52782
Clematis lasiantha
Neal Schaeffer
1982-4-18
10
Butte
Between Pentz Rd and Kunkle Reservoir, ca. 20 m from road, 50 m n of reservoir access road.
450
Comment
POM181656
Clematis lasiantha
Williams
1927-04
11
Butte
Near Richardson's Springs, Butte County
Comment
UC83304
Cleome platycarpa
Mrs. R. M. Austin
Jun 1887
Butte
Comment
CHSC103725
Collinsia heterophylla
Lowell Ahart
2010-5-7
16627
Butte
On both sides of the Guardian Trail, about 1/2 mile west of Highway 32, Upper Bidwell Park, about 4 1/2 miles (air) northeat of Chico.
238
Comment
SEINET12326994
Collinsia sparsiflora var. arvensis
Unknown
1984-1
18
Butte
jct Hwy 29 & 175, ca 3 mi SE of Kelseyville
463
Comment
CHSC109118
Collinsia sparsiflora var. collina
Lowell Ahart
2012-3-23
17784
Butte
On the sides of the trail down to Big Chico Creek, about 50 yards west of Ten Mile House Road, about 3/4 mile west of Highway 32, about 9 miles (air) northeast of Chico.
215
Comment
HSC32685
Collinsia sparsiflora var. collina
David Johnson
1974-4-20
49
Butte
Table Mtn.
Comment
CHSC33591
Collinsia tinctoria
M. S. Taylor
1981-6-19
3959
Butte
N side of Feather River Hwy 70, at nw end of Pulga ridge and along Pulga Rd. ca. 1/4 mi, ca. 20 mi ne of Oroville.
487
Comment
UC1594549
Collinsia tinctoria
Lowell Ahart
1992-5-9
6760
Butte
about 2 air mi n of Oroville (on n side of the dirt road, on n side of the Thermalito Diversion Pool, Lake Oroville Recreation Area); Lake Oroville Recreation Area, Thermalito Diversion Pool
76
Comment
UC600654
Collomia grandiflora
H. F. Copeland
1930-7-28
1312
Butte
in woods near head of Willow Creek; neighborhood of Jonesville
1828
Comment
UC116644
Comandra
Mrs. R. M. Austin
May 1896
298
Butte
Little Chico Creek
Comment
SEINET10544541
Comandra pallida
Mary Susan Taylor
1977-6-25
Taylor 1376
Butte
Foothill Woodland-Yellow Pine Forest transition zone, on Ponderosa Way betwe en Cohasset and Forest Ranch.
610
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
RSA31755
Comandra umbellata subsp. californica
A. A. Heller
1918-5-5
13013
Butte
Magalia.
Comment
CHSC66438
Convolvulus arvensis
Vernon H. Oswald; Lowell Ahart
1996-6-10
7743
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Common on the riprapped bank of the Sacramento River at the N end of the Riparian Sanctuary.
28
Comment
RSA261487
Corallorhiza maculata
Robert C. Burness
1970-5-24
78
Butte
Northeast of Paradise from Stirling City, 6 miles southeast on Ragdump Road to Rudds Cabin on Feather River Branch
762
Comment
RSA0084711
Cordylanthus pilosus subsp. hansenii
L. Ahart
2009-8-3
16253
Butte
W side of Ten Mile House Road, about 30 yards E of Big Chico Creek, Upper Bidwell park, about 3/4 air miles W of Highway 32, about 10 miles NE of Chico.
234
Comment
SBBG128102
Cordylanthus pilosus subsp. hansenii
L. Ahart
2010-9-12
17150
Butte
just above 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
UCR231505
Cordylanthus tenuis
Anna M. Hurlbutt
2009-8-7
022
Butte
Northern Sierra Nevada Mtns., vicinity of Inskip Inn, end of paved part of Skyway Rd., north of Paradise
1463
Comment
LA209148
Cordylanthus tenuis subsp. tenuis
E. B. Copeland;
1929-7-29
sn
Butte
Jonesville
502
Comment
CHSC11902
Cordylanthus tenuis subsp. viscidus
E. B. Copeland
1929-7-29
469
Butte
Jonesville.
1650
Comment
POM193337
Cordylanthus tenuis subsp. viscidus
E. B. Copeland
1929-7-29
469
Butte
Jonesville.
1650
Comment
CHSC66075
Cornus glabrata
Vernon H. Oswald
1996-5-22
7627
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Growing in the edge of a slough at the SE corner of the Riparian Sanctuary.
28
Comment
JEPS88911
Cornus glabrata
Lowell Ahart
1994-6-5
7310
Butte
ca. 3 1/2 mi. s.w. Forbestown (s. of intersection of Black Bart Rd. & Forbestown Rd.)
609
Comment
SFV2622
Cornus nuttallii
B. Fuller
1961-4-15
s. n.
Butte
Hillside west of Paradise California Reservoir.
Comment
UC195372
Cornus nuttallii
A. A. Heller
1914-6-24
11513
Butte
at West Branch; w. side Sierra Nevada
1036
Comment
UC600763
Cornus sericea subsp. sericea
H. F. Copeland
1931-6-11
Butte
by Scotch John Creek in Butte Creek Canyon Jonesville; Butte Creek Canyon, Scotch John Creek
Comment
SD1899
Corydalis caseana
E. B. Copeland
1929-7-3
Butte
Comment
SFV16941
Corylus cornuta subsp. californica
J. N. Hogue
1980-9-6
83 .7
Butte
Sierra Nevada Toadtown, 4 miles west of Stirling City, along Little Butte Creek.
915
Comment
CHSC54346
Cotoneaster pannosus
Lowell Ahart
1991-6-19
6661
Butte
Along the Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd East, south-west of Oroville Dam.
213
Comment
CAS-BOT-BC427628
Crassula aquatica
Lowell Ahart
1982-5-14
3436
Butte
Peter Ahart Ranch, about 2 1/2 miles north and 1/2 mile east of Honcut
50
Comment
JEPS122154
Crassula aquatica
Lowell Ahart
2014-4-15
19356
Butte
About 400 yards west of the old road, about 3 1/2 miles (air) northeast of Oroville Dam.
Comment
CHSC30373
Crassula tillaea
J. D. Jokerst
1979-3-9
1143
Butte
Top of North Table Mt., 20 m N of Cherokee Rd.
Comment
RSA755766
Crataegus laevigata
L. Ahart
2009-5-30
15792
Butte
East side of Big Chico Creek, about 30 yards south of the gate, about 10 yards west of Ten Mile House Road, Upper Bidwell park, about 3/4 air mile west of Highway 32, about 10 miles northeast of Chico.
270
Comment
CHSC38642
Crataegus monogyna
Vernon Oswald
1983-4-6
287
Butte
Upper Bidwell Park, Chico, on the s edge of Upper Park Rd. 0.3 mi e of the end of the pavement.
94
Comment
CHSC50542
Crepis occidentalis subsp. conjuncta
Vernon Oswald
1990-7-3
4341
Butte
Butte Creek House Meadow Ecological Preserve on Humbug Rd, ca. 3.5 mi east-southeast of Jonesville. Along the south fence line in section 27.
1780
Comment
UCR51795
Crepis occidentalis subsp. pumila
H. F. Copeland
1931-11-6
1532
Butte
Jonesville, near Butte Creek Meadows.
1829
Comment
CAS-BOT-BC376469
Crepis pleurocarpa
Lowell Ahart
1988-7-28
6139
Butte
Hillside at the north side of the dam at Lost Creek Reservoir
1036
Comment
UCD130979
Crepis pleurocarpa
M. S. Taylor
1982-6-24
4722
Butte
west side of Ponderosa Way (Rim Rd.) under PGE lines, 1.1 miles north of its junction with Hwy 70 at Jarbo Gap.
Comment
JEPS124192
Croton setiger
Lowell Ahart
2015-10-9
20543
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
SBBG19380
Croton setiger
H. F. Copeland
1937-7-30
1604
Butte
foothills, near Oroville
Comment
CHSC116731
Crucianella angustifolia
Lowell Ahart
2016-5-25
20877
Butte
On north side of the water ditch, about 200 yards south of La Porte Road, about1/4 mile southwest of the intersection of La Porte Road and Loma Rica Road, about 3 1/4 miles (air) northeast of Honcut.
44
Comment
JEPS108961
Crypsis alopecuroides
Lowell Ahart
2006-9-11
13302
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville
431
Comment
CAS-BOT-BC190093
Crypsis schoenoides
Herbert L. Mason
1945-9-19
12729
Butte
Gray Lodge Game Refuge, northwest of Pennington.
Comment
CHSC116139
Crypsis schoenoides
Lowell Ahart
2015-10-26
20601
Butte
Strand of Lake Oroville, on west side of West Branch of Feather River, about 1 mile (air) southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise.
207
Comment
SEINET10836241
Crypsis schoenoides
Lowell Ahart
1984-8-19
Ahart 4788
Butte
West of Pacific Heights Road, about 5 miles south-west of Oroville.
Comment
CHSC113542
Crypsis vaginiflora
Lowell Ahart
2014-9-23
19875
Butte
Near a small drainage, on the northeast part of Horseshoe Lake, about 100 yards northeast of the Rod and Gun Club, Upper Bidwell Park, about one mile east of Chico.
88
Comment
CHSC46748
Cryptantha affinis
Lowell Ahart
1984-6-10
4708
Butte
On the road cutbank, about 2 miles south-west of the Forbestown Diversion Dam, north-east of Forbestown.
640
Comment
JEPS94328
Cryptantha affinis
Lowell Ahart
1997-8-1
7800
Butte
about 8 air mi ne of Stirling City (along edge of the dirt road and n of the camps along Little Kimshew Creek, about 1/4 mi n of the County Road, e of Bald Mountain)
1219
Comment
SEINET10877146
Cryptantha affinis
Lowell Ahart
2007-5-29
Ahart 13926
Butte
T21N, R6E, Section 28. Normal size plants, on dry rocky soil, near the southeast edge of Bald Rock Dome, on the west side of the Dome Trail, trail leads to the Middle Fork of the Feather River, about 1 1/2 miles by the trail from the trail head which is 3/10 mile east of Bean Creek Road, about 2 miles (air) northeast of Big Bald Rock, about 16 miles (air) northeast of Oroville. Foothill Woodland.
637
Comment
CHSC71165
Cryptantha flaccida
Lowell Ahart
1998-6-9
7995
Butte
About 1/2 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.
396
Comment
UC857119
Cryptantha flaccida
A. A. Heller
1914-4-27
11325
Butte
8 mi n Oroville
Comment
POM368226
Cryptantha flaccida
L. Ahart, P. Ahart
1984-5-28
4649
Butte
On a large road cutbank along Highway 40, now called Dark Canyon Road, ca. 2 miles E of Old Yankee Hill, ca. 16 miles NE of Oroville.
450
Comment
JEPS108983
Cryptantha intermedia
Lowell Ahart
2006-6-9
12656
Butte
On the north side of Bardees Bar Road, east of the large stream, about 1/10 mile north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga
354
Comment
UCD80136
Cryptantha intermedia
CNPS SN Foothill Team
2006-5-23
SNNR 0789 a
Butte
BLM Parcels near Paradise.
520
Comment
CHSC33413
Cryptantha torreyana
R. A. Schlising
1980-7-5
3832
Butte
N part of county; at roadside, 2.0 miles S of Butte Meadows junction of Skyway and Humboldt Road, along latter.
1432
Comment
CHSC58865
Cryptogramma acrostichoides
Lowell Ahart
1992-7-26
6837
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
SEINET10531479
Cupressus macnabiana
Lowell Ahart
Ahart 5007
Butte
Near a steel tower line, west of Rocky Ridge, about 4 miles north-east of Jarbo Gap.
Comment
JEPS94687
Cuscuta howelliana
Lowell Ahart
1998-7-18
8044
Butte
about 7 air mi n of Oroville (North Table Mountain, e of the fence, e of the cow chute and on the e side of Cherokee Road); North Table Mountain, Cherokee Road
403
Comment
RSA299404
Cuscuta howelliana
L. Ahart
1979-10-7
s.n.
Butte
Peter Ahart Ranch, Honcut. In vernal pool in a farmed field in Valley Grassland.
35
Comment
POM219431
Cuscuta suksdorfii var. subpedicellata
E. B. Copeland
1931-7-17
676
Butte
Jonesville. Near the head of South Willow Creek.
1700
Comment
JEPS95935
Cycloloma atriplicifolium
Lowell Ahart
1999-8-13
8159
Butte
northwest of Parrott Landing; about 1 mile southeast of Ord Ferry; about 2 miles southeast of Ordbend; about 12 miles (air) southwest of Chico
32
Comment
SEINET10479028
Cycloloma atriplicifolium
Mary Susan Taylor
1979-10-2
Taylor 2210 A
Butte
Sacramento River Chico Landing and park, off River Road near the washout, ca. 5 mi W of Chico; Riparian Woodland.
30
Comment
CHSC2138
Cynodon dactylon
H. Silberman; D. Isaac
1949-5-1
Butte
Chico.
57
Comment
CHSC21260
Cynoglossum grande
M. S. Taylor
1973-3-27
30
Butte
Ca. 5 yds s of Humbug Rd, ca. 19 mi se of Chico.
548
Comment
CHSC3536
Cynoglossum grande
John Francis
1966-4-6
80
Butte
0.3 mile from intersection of Pentz-Magalia Rd. and Nelson Bar Rd., on Nelson Bar Rd.
Comment
CHSC4715
Cynoglossum grande
R. Carter
1966-3-13
295
Butte
Found ca. 6 mi. E of Chico at intersection of Honeyrun Rd. and Humbug Rd in Butte Cr. Canyon. Ca. 150 yds. up slope on S side of canyon.
Comment
JEPS127241
Cynosurus echinatus
Lowell Ahart
2016-5-24
20871
Butte
About 150 yards south of La Porte Road, about 1/4 mile southwest of the intersection of La Porte Road and Loma Rica Road, about 3 1/4 miles (air) northeast of Honcut.
Comment
SEINET10507677
Cynosurus echinatus
Mary Susan Taylor
1979-9-28
Taylor 2200 A
Butte
Butte County line at Hwy 70, between boundry and Arch Rock tunnel; granitic soils and dome outcrop.
488
Comment
CAS-BOT-BC114742
Cyperus difformis
Herbert L. Mason
1945-9-19
12737
Butte
Gray Lodge Game Refuge, NW of Pennington
Comment
UC698630
Cyperus difformis
P. B. Kennedy
Aug 1921
Butte
Comment
CAS-BOT-BC114602
Cyperus eragrostis
Ira L. Wiggins
1959-9-20
34640
Butte
Lower foothills, eastern outskirts of Oroville.
60
Comment
CHSC28616
Cyperus eragrostis
M. S. Taylor
1979-10-3
2223
Butte
In Butte Creek Canyon, ca 1/4 mi upstream from bridge corssing Butte Creek at Helltown Rd, ca. 15 mi e of Chico.
243
Comment
CHSC28661
Cyperus eragrostis
J. D. Jokerst; M. S. Taylor
1979-10-13
393
Butte
Junction of Griffith Gulch and Jordan Hill Rd. (Ponderosa Way on some maps).
701
Comment
CHSC68384
Cyperus eragrostis
L. P. Janeway
1988-6-29
2905
Butte
Spring where Crouch Ravine fades into Coon Ridge; 1/4 mi south of the Skyway, 2.9 mi east of the Skyway bridge over Butte Creek.
170
Comment
UC1100535
Cyperus eragrostis
Herbert L. Mason
1945-9-19
12736
Butte
n.w. Pennington (Gray Lodge Game Refuge); Gray Lodge Game Refuge
Comment
CAS-BOT-BC114596
Cyperus eragrostis
Forman Taylor McLean
1921-9-25
s.n.
Butte
Weed in rice fields, Nelson.
Comment
SEINET10466872
Cyperus eragrostis
Mary Susan Taylor
1979-10-3
Taylor 2223
Butte
T23N R3E center of E eighth of sec 33. Riparian Woodland in Butte Creek Canyon, ca. 1/4 mi upstream from bridge crossing Butte Creek at Helltown Road, ca. 7 mi E of Honey Run Covered Bridge.
244
Comment
CAS-BOT-BC114381
Cyperus erythrorhizos
Lowell Ahart
1974-11-9
s.n.
Butte
In a rice field, Peter Ahart Ranch, Honcut.
45
Comment
CHSC108132
Cyperus erythrorhizos
Lowell Ahart
2011-10-29
17730
Butte
On the bare sides of a ditch, on the south side of Biggs Princeton Road, about 500 yards west of Riceton Highway, about 1 mile northwest of Biggs.
27
Comment
CHSC37103
Cyperus erythrorhizos
L. Ahart
1982-9-12
3795
Butte
On banks of North Honcut Creek, Peter Ahart Ranch, ca. 1 1/4 mi n and 3 mi e of Honcut.
50
Comment
JEPS124351
Cyperus erythrorhizos
Lowell Ahart
2015-10-26
20596
Butte
About 1 mile (air) of southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise.
Comment
CHSC76012
Cyperus esculentus
Lowell Ahart; Vernon H. Oswald
1999-8-13
8141
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
CHSC94647
Cyperus flavescens
Lowell Ahart
2006-9-28
13378
Butte
On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel.
445
Comment
UCR146290
Cyperus flavicomus
Ellen Dean, Et al.
2001-8-20
850
Butte
Biggs UC Field Station, N of town of Biggs, west of jct. of Hwys 99 and 162, south side of Hamilton road, west of jct. with Riceton Hwqy, W side of RR tracks; along dirt road that is the extension of Hamilton rd.
Comment
CHSC38901
Cyperus niger
Vernon Oswald
1983-6-7
649
Butte
Upper Bidwell Park, Chico, on the north slope near the head of the stream which crosses Upper Park Rd. 0.5 mi e of the power lines.
198
Comment
SD131026
Cyperus niger
Lowell Ahart
1981-9-19
3181
Butte
Sierra Nevada Mountains; Arch Rock Tunnel; Highway 70.
550
Comment
CAS-BOT-BC113845
Cyperus niger var. capitatus
John Thomas Howell
1959-9-20
34639
Butte
Lower foothills, eastern outskirts of Oroville.
60
Comment
CHSC11932
Cyperus squarrosus
E. B. Copeland
1931-7-17
612
Butte
Jonesville.
1700
Comment
CHSC45155
Cyperus squarrosus
Lowell Ahart
1974-7-1
504
Butte
On the bottom of a small wash, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/4 miles east of Honcut, about 12 miles south of Oroville.
39
Comment
CHSC76425
Cyperus squarrosus
Lowell Ahart
1999-10-28
8302
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
POM111856
Cyperus squarrosus
C. C. Bruce
1897-06
1882
Butte
Little Chico
Comment
CAS-BOT-BC114202
Cyperus strigosus
Lowell Ahart
1987-9-24
5900
Butte
Along the North Fork of the Feather River, near the Poe Power House,
271
Comment
CAS-BOT-BC114208
Cyperus strigosus
Ira L. Wiggins
1928-9-9
3337
Butte
Sandy Gulch Creek, 3 mi W of Chico.
Comment
CDA30199
Cyperus strigosus
L. Ahart
2009-8-3
16256
Butte
Along small drainages, 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.
Comment
CHSC76014
Cyperus strigosus
Lowell Ahart; Vernon H. Oswald
1999-8-13
8140
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
CHSC28412
Cystopteris fragilis
M. S. Taylor
1979-9-28
2192
Butte
Butte county line at Hwy 70, between boundary and Arch Rock tunnel.
487
Comment
HSC66217
Cystopteris fragilis
M. S. Taylor
1979-5-4
1988
Butte
Millsap Bar Campground, 9 mi. NE of jct. of Millsap Bar Rd. with Brush Cr. Rd., 26 mi. NE of Oroville
1006
Comment
JEPS120533
Cytisus scoparius
L. P. Janeway
2013-5-9
11099
Butte
Northern High Sierra Nevada. Plumas National Forest; along Oroville-Quincy Hwy 0.3 km north of Madrone Lake.
Comment
CAS-BOT-BC445503
Damasonium californicum
Carl B. Wolf
1937-5-14
8672
Butte
Sacramento Valley, 5 mi. NW. of Chico on Hamilton City Road.
45
Comment
JEPS120989
Danthonia californica
Lowell Ahart
2013-6-11
18801
Butte
About 30 yards W of a wet meadow, about 40 yards N of Forbestown Road, about 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown.
Comment
CHSC36092
Danthonia californica var. americana
R. A. Schlising; R. Preston
1982-7-16
4321
Butte
NE part of county, E of Stirling City at Crane Valley. At edge of Balsam Creek.
1584
Comment
CHSC6759
Danthonia unispicata
V. Hagaman
1968-4-19
475
Butte
Cherokee Village ca 200 yards E. of cemetary.
Comment
CHSC87576
Darmera peltata
R. D. Fischer
2004-5-2
127
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located on margins of Big Chico Creek near bottom of 10 Mile House Road.
192
Comment
CHSC23587
Delphinium depauperatum
Nancy Mosman
1971-7-3
69
Butte
In meadow along s side of Humboldt Road ca. 0.8 mi e of Butte Meadow Ranger Station.
1371
Comment
CAS-BOT-BC121511
Delphinium gracilentum
Clarence Roy Quick
1941-6-7
41 -24
Butte
Between Big Bar Mt., and Coyote Gap
Comment
CAS-BOT-BC8571
Delphinium hansenii
John Thomas Howell
1962-6-16
37627
Butte
Concow School north of Yankee Hill
533
Comment
UC854134
Delphinium hansenii subsp. hansenii
A. A. Heller
1938-5-28
15110
Butte
slopes on Feather River Hwy 2 1/2 mi from Oroville
Comment
UCD95846
Delphinium hesperium
L. K. Manu
1959-6-5
s.n.
Butte
Between Pentz and Oroville, about 2 min. N.of turnoff to Oregon City.
Comment
CHSC84134
Delphinium hesperium subsp. pallescens
Lowell Ahart
2003-5-14
10174
Butte
About 150 yards west of the dredge piles along North Honcut Creek, about 2 1/2 miles north and 2 1/2 miles east of Honcut, about 12 miles southeast of Oroville.
60
Comment
CAS-BOT-BC9921
Delphinium nudicaule
C. C., Mrs. Bruce
1897-6-1
1915
Butte
Butte Creek
Comment
CAS-BOT-BC8027
Delphinium nuttallianum
Herbert Faulkner Copeland
1929-6-12
1211
Butte
Jonesville, near north Willow Creek
1524
Comment
CHSC56781
Delphinium patens
M. S. Taylor
1981-4-28
3568 C
Butte
On s side of Four Trees Rd, ca. 1/2 mi e of Hwy 70, ca. 2 mi ne of Pulga.
670
Comment
CHSC61214
Delphinium patens subsp. patens
Vernon H. Oswald; Lowell Ahart
1993-3-24
5236
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.
243
Comment
CAS-BOT-BC121623
Delphinium patens subsp. patens
Saichi Kawahara
1968-5-4
394
Butte
James Ripley's property, Graham Road, Paradise
640
Comment
CAS-BOT-BC17016
Delphinium variegatum
Lowell Ahart
1980-4-21
2094
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC41524
Delphinium variegatum
Richard J. Slama
1981-4-20
12
Butte
Ca. 5 mi. e of Chico, ca. 3 mi. e of hwy 99 and hwy. 32, ca. 2 mi. e on Humboldt Rd. on n side.
99
Comment
CHSC62827
Delphinium variegatum
Ella Icard
1993-6-9
Butte
Comment
CHSC4570
Delphinium variegatum subsp. variegatum
C. Glascock
1965-4-22
354
Butte
In field at se corner of intersection of US 99E and Oroville-Chico Rd., ca. 1 mi. se of Chico.
Comment
CHSC75397
Delphinium variegatum subsp. variegatum
Jennifer Slater
1997-4-6
4
Butte
In vernal pool depression at the Wurlitzer addition of the Vina Plains Preserve, approx. one mile west of Highway 99.
67
Comment
CAS-BOT-BC17023
Delphinium variegatum subsp. variegatum
A. A. Heller
1918-4-19
12987
Butte
Valley oak belt on the banks of Pine creek 12 miles north of Chico
Comment
CHSC39260
Dendromecon rigida
Lowell Ahart
1983-6-30
4188
Butte
Along edge of dirt road, 3 miles south-east of Stirling City, on the west side of the West Branch of the Feather River. Section 10.
1100
Comment
CHSC98328
Dendromecon rigida
L. P. Janeway; B. Castro
2007-5-6
8974
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. Disturbed serpentine chaparral, rocky soil.
969
Comment
UC726580
Dendromecon rigida
A. A. Heller
1918-5-5
13010
Butte
Magalia
Comment
SEINET10841534
Dentaria pachystigma var. dissectifolia
Mary Susan Taylor
1981-4-14
Taylor 3534
Butte
T22N R4E east central third of sec 12, Pulga SW quad. Serpentine ridge on W side of Ponderosa Way (Rim Rd), ca. 2 mi N of Jarbo Gap on Hwy 70, ca. 20 air mi n of Oroville. 3000 ft.
914
Comment
CHSC46102
Deschampsia cespitosa
J. D. Jokerst; R. A. Schlising
1982-10-7
1652
Butte
In the bottom of a pond, the eastern-most in the chain of small ponds that occur on the bench S of and adjacent to Coon Hollow.
1706
Comment
SEINET10835485
Deschampsia cespitosa
A. Arthur Heller
1928-7-10
Heller 14621
Butte
Wet meadows at Butte Meadows in the yellow pine belt.
Comment
CAS-BOT-BC192660
Deschampsia danthonioides
A. A. Heller
1914-5-13
11399
Butte
Between Durham and Nelson
Comment
CHSC112900
Deschampsia danthonioides
B. Castro; Robin Carter
2011-4-29
1877
Butte
Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, ca 0.6 mi S of jcn of Hwys 99 and 162W, ca 0.4 mi N of Hamilton Rd.
34
Comment
HSC23363
Deschampsia danthonioides
B. Wilson
1968-4-19
168
Butte
2 mi. S of Cherokee, Table Mountain.
549
Comment
UCD62955
Deschampsia danthonioides
L. Ahart
1977-4-29
1339
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC42914
Deschampsia elongata
Lowell Ahart
1987-7-17
5822
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
CHSC95063
Dianthus armeria subsp. armeria
L. P. Janeway; Dan Lubin, Linnea Hanson, Jim Bishop, Catie Bishop
2006-6-13
8689
Butte
Northern High Sierra Nevada; Plumas National Forest, Feather River Ranger District. East sloping edge of ridge top at 'Magalia Serpentine' about 25 m east of Coutelenc Road and 240 m north of Skyway.
712
Comment
JEPS105645
Dianthus armeria subsp. armeria
L. P. Janeway, B. Castro
2001-6-17
7184
Butte
Northern High Sierra Nevada. 5.5 km (air) northeast of Brush Creek; 1.6 km south of Junction House, along Road 22N49 parallel to and 60-100 m west of Oroville-Quincy Hwy
1000
Comment
CHSC635
Dicentra formosa
R. Staley
1952-7-21
Butte
304
Comment
LA47703
Dicentra formosa
E. B. Copeland;
1929-7-22
364
Butte
Jonesville
1500.0
Comment
UC1362270
Dicentra formosa
D. Parkinson
1964-4-1
Butte
vicinity Monk's Store (Cohasset Stage); Cohasset Stage
Comment
CAS-BOT-BC402393
Dicentra formosa subsp. formosa
Helen M. Edwards
1917-6-1
s.n.
Butte
DeSabla
Comment
SEINET10508816
Dichanthelium lanuginosum
Lowell Ahart, Peter Ahart
1984-7-19
Ahart 4726
Butte
About 1 1/2 mile south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 miles north-east of Stirling City.
Comment
CAS-BOT-BC500799
Dichelostemma capitatum
Lowell Ahart
1988-1-5
5979
Butte
On the west side of the Poe Power House Road, about 1/2 mile north of the Poe Power House, about 2 miles south-east of Jarbo Gap.
396
Comment
CHSC2092
Dichelostemma multiflorum
N. Maxwell
1929-3-28
Butte
Richardson Springs.
274
Comment
CHSC23469
Dichelostemma multiflorum
J. R. Lee
1974-4-22
3
Butte
25 yds n of Skyway and 6 mi e of Chico city limits.
152
Comment
CAS-BOT-BC501085
Dichelostemma multiflorum
A. A. Heller
1914-5-19
11421
Butte
8 miles north of Oroville
Comment
RSA256665
Dichelostemma multiflorum
Kitsy Kelly
1974-4-20
16
Butte
300 yards south of the intersection of Pentz and Clark Roads
61
Comment
SEINET10472607
Dichelostemma pulchellum
Mary Susan Taylor
1982-5-2
Taylor 4396
Butte
T23N R5E ne/ne sec 6. Pulga Sw quad. Pulga serpentine outcrops on both sides of bridge across Hwy 70 at Pulga, ca. 20 mi ne of Oroville. 1600 ft.
488
Comment
CDA42841
Dichondra donelliana
L. Ahart
2011-6-5
17367
Butte
Just north of the small wash, 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 (air) southeast of Oroville.
Comment
CHSC12959
Digitalis purpurea
K. R. Stern
1974-6-30
5770
Butte
11.5 mi ne of Stirling City on Bald Mt. rd.
1219
Comment
CAS-BOT-BC209034
Digitaria sanguinalis
A. A. Heller
1914-6-2
11476
Butte
Hills 8 miles north of Oroville.
Comment
CHSC42912
Digitaria sanguinalis
Lowell Ahart
1987-7-3
5763
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
CHSC69736
Digitaria sanguinalis
Lowell Ahart
1997-10-24
7938
Butte
About 20 yards north of the South Fork of the Feather River and on the west side of Sucker Creek, strand of Lake Oroville, about 1/4 mile west of the Ponderosa Dam.
274
Comment
JEPS103329
Digitaria sanguinalis
Lowell Ahart
2002-9-7
9926
Butte
On the E side of Cherokee Road, N of the Thermalito Diversion Canal, on the W side of the water purification pond, ca 1 mile N of Oroville.
130
Comment
CHSC6615
Dioscorea
M. MacArthur
1968-6-17
305
Butte
Location: SE yard of Building U, on Chico State College campus.
60
Comment
CAS-BOT-BC153761
Diplacus angustatus
J. H. Morrison
1932-5-1
s.n.
Butte
Durham
Comment
CHSC90147
Diplacus douglasii
John Copeland
1980-3-8
17
Butte
About 0.7 mi southeast of Cohasset Hwy.
Comment
CHSC44824
Diplacus grandiflorus
R. Banchero
1980-5-7
145
Butte
Near the jct of Bear Ranch Creek and Hwy 70, ca 0.3 mi SW of Arch Rock Tunnel.
609
Comment
SEINET10570113
Diplacus grandiflorus
Mary Susan Taylor
1981-5-5
Taylor 3599
Butte
T20N R6E se/nw sec 31. Forbestown quad. E side of Lumpkin-LaPorte Rd, 1 mi N of Enterprise Bridge over South Fork of the Feather River, ca. 10 air mi E of Oroville. Oepn grassy area surrounded by Woodland; 1500 ft.
457
Comment
CAS-BOT-BC153206
Diplacus kelloggii
L. P. Janeway
1993-7-1
4418
Butte
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
CHSC3464
Diplacus kelloggii
Roger Jaegel
1996-3-28
82
Butte
Located on the top of table mountain three miles south of Cherokee.
Comment
SBBG26853
Diplacus layneae
L. Constance
1941-5-28
2828
Butte
south branch of the Feather River at Magalia
487
Comment
CHSC42968
Diplacus torreyi
Lowell Ahart
1987-7-3
5764
Butte
On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap.
271
Comment
CHSC45985
Diplacus tricolor
Lowell Ahart
1974-4-14
413
Butte
Peter Ahart Ranch, about 2miles north and 1 1/2 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
CHSC38811
Distichlis spicata
Vernon Oswald
1983-6-2
612
Butte
Upper Bidwell Park, Chico, along Yahi Trail e of Brown's Hole. On the flood plain of the creek.
207
Comment
CDA35059
Dittrichia graveolens
L. P. Janeway
2010-11-23
10221
Butte
Sacramento Valley; Oroville; gravelly flat on northern edge of the south levee of the Feather River, just east of Centennial Park.
Comment
CHSC109355
Dittrichia graveolens
T. M. Hanson
2012-10-17
Butte
Northern Sierra Nevada. On the west shoulder of Bardees Bar Road approximately 0.5 road km northeast of intersection of Bardees Bar and Big Bend Roads.
657
Comment
UCD169282
Dittrichia graveolens
Lowell Ahart
2007-10-30
14510
Butte
About 7 (air) miles west of Oroville. About 500 yards south of Richvale East Road, about 100 yards north of Badger Creek Road, west side of Highway 99.
34
Comment
CHSC95143
Dodecatheon alpinum
R. D. Fischer
2005-6-5
856
Butte
Chico Meadows. Northern Sierra Nevada, n. of Forest Ranch, 5 miles w. of Hwy 32 off Humboldt Road to Butte Meadows and ca. 3 miles n. to Chico Meadow (Camp Lassen, BSC) on Scout Road. Plant growing along eastern edge of Chico Meadow.
1280
Comment
CHSC52454
Dodecatheon clevelandii subsp. patulum
John Copeland
1980-1-19
3
Butte
50 ft NE of locked gate, 0.5 mi E of Meridian Rd, 1.5 mi N of hwy 99, ca 5 mi N of Chico.
Comment
HSC67921
Dodecatheon clevelandii subsp. patulum
J. P. Smith
1973-3-22
5930
Butte
2.1 mi. E of junction with Hwy. 99 and the road to Paradise
122
Comment
CHSC1395
Dodecatheon hendersonii
J. Baynes
1929-4-20
Butte
Paradise.
609
Comment
CHSC19937
Dodecatheon hendersonii
M. S. Taylor
1975-3-10
414
Butte
Along paths on bluffs overlooking Butte Creek, ca. 1/4 mi sw of Covered Bridge, ca. 8 mi e of Chico.
Comment
UCSB63622
Dodecatheon hendersonii
Skjelstad, L.
1975-4-20
Butte
ca. 3.7 mi. S of Cherokee on the Cherokee Rd.
Comment
RSA31870
Dodecatheon hendersonii subsp. parvifolium
A. A. Heller
1938-4-3
15011
Butte
Common in moist red clay soil derived from disintefrated lave, Table Mountain, near Cherokee.
Comment
JEPS120766
Dopatrium junceum
Lowell Ahart
2013-9-20
19058
Butte
About 100 yards west of the railroad, about 400 yards south of the Rice Experiment Station buildings, about 2 miles SE of Richvale.
Comment
CHSC28146
Downingia bicornuta
Robert A. Schlising; Ellen Sanders
1979-4-28
3379
Butte
Near Richvale; vernal pools in grassland w of Hwy 99 and Thermalito Afterbay, 1/4 mi s of jct Hwy 99 and Hwy 162 to Oroville.
Comment
JEPS105996
Downingia cuspidata
Lowell Ahart
2004-4-4
10725
Butte
Bottom of a vernal pool, about 1/4 mile east of Wilber Road, east of the high hill crossed by Wilber Road, pasture, about 3 miles (air) west of Thermalito
48
Comment
CHSC76937
Downingia insignis
Margie Collins
1894-6-1
Butte
Nord?
Comment
CHSC2377
Downingia ornatissima var. ornatissima
R. Carter
1965-5-13
198
Butte
Exact location unknown, but found somewhere along the Cana Rd. ca. 9 mi. NE of Chico W of Hwy. 99E.
45
Comment
CAS-BOT-BC41344
Draba verna
Gladys L. Smith
1976-4-8
s.n.
Butte
Table Mountain.
Comment
CHSC35006
Draba verna var. aestivalis
R. E. Preston
1982-2-25
178
Butte
20 ft s of Humboldt Rd, ca. 1/4 mi e of its jct with Bruce Rd; ca. 3 mi e of downtown Chico.
87
Comment
CHSC35015
Draba verna var. aestivalis
R. E. Preston
1982-3-20
192
Butte
Along trail to Bear Ranch Creek falls, at Hwy 70, ca. 22 mi nne of Oroville.
463
Comment
CHSC87199
Draba verna var. aestivalis
Lowell Ahart
2004-3-26
10705
Butte
On the south edge of the paved road, Hurleton Road, north of Forbestown Road, about 1/4 mile north of the Oak Grove Cemetery, about 2 miles southeast of Lake Wyandotte, about 10 miles east of Oroville.
502
Comment
CHSC96841
Draperia systyla
Lowell Ahart
2007-5-29
13932
Butte
On the east side of Bald Rock Dome, along the Dome Trail, trail leads to the Middle Fork of the Feather River, about 1 3/4 miles by the trail from the trail head which is 3/10 mile east of Bean Creek Road, about 2 miles (air) northeast of Big Bald Rock, about 16 miles (air) northeast of Oroville.
585
Comment
CHSC46489
Drosera rotundifolia
Lowell Ahart
1984-7-19
4756
Butte
About 1/2 mile east of Bald Mountain, about 5 air ... Field redacted by CHSC, contact the data manager for more information
1615
Comment
JEPS120572
Drymocallis glandulosa
L. P. Janeway
2013-5-5
11097
Butte
Northern High Sierra Nevada. Plumas National Forest; eastern slope of Bloomer Hill, 1.0 air km east of the top.
Comment
UC859896
Drymocallis glandulosa
A. A. Heller
1914-5-18
11411
Butte
near Forest Ranch; west slope of the Sierra
731
Comment
CHSC110346
Drymocallis glandulosa var. reflexa
L. P. Janeway
2013-5-5
11097
Butte
Northern High Sierra Nevada. Plumas National Forest; eastern slope of Bloomer Hill, 1.0 air km east of the top.
701
Comment
CAS-BOT-BC527354
Drymocallis glandulosa var. reflexa
A. A. Heller
1914-5-18
11411
Butte
West slope of the Sierra near Forest Ranch
731
Comment
CHSC99571
Dryopteris arguta
L. P. Janeway
2008-6-22
9419
Butte
Cascade Range Foothills. Upper Bidwell Park, Chico (a large generally natural area); just below junction of Pine Trail and Guardians Trail.
396
Comment
UCD80275
Dryopteris arguta
CNPS SN Foothill Team
2005-3-30
SNFN 0070 a
Butte
CDFG North Table Mountain Wildlife Area, Table Mountain, in creek channel. From the parking area, go south to Campbell Creek in Beatson Hollow, along old road approximately 3 miles west of Cherokee Rd.
306
Comment
SD233996
Dryopteris arguta
Virginia Pinkus Ryder
1965-4-4
410
Butte
Magalia, Feather River.
60
Comment
CHSC3235
Duchesnea indica
Susan Carrauthers
1966-4-20
115
Butte
Flower bed on N. side of Life Science building of Chico State College. City of Chico.
Comment
CHSC5992
Duchesnea indica
M. MacArthur
1968-6-12
162
Butte
Near NW entrance to Life Science bld., Chico State College.
60
Comment
UC933297
Dudleya cymosa
C. F. Genasci
Butte
Richardson Springs
Comment
CHSC40900
Dysphania pumilio
Lowell Ahart
1985-11-7
5229
Butte
Below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, about 200 yards north-west of the Ponderosa Dap.
286
Comment
CDA1978
Echinochloa colona
L. Ahart
1999-9-21
8282
Butte
Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
Comment
UCD18742
Echinochloa colona
Vernal Pool Team 2001; Carol Witham and Jennifer Buck
2001-4-10
35
Butte
one mi. east of Rock River Mine and parking area, off Cherokee Rd., North Table Mountain, Oroville site.
Comment
CHSC108135
Echinochloa crus-galli
Lowell Ahart
2011-10-29
17727
Butte
On the bare sides of a ditch, on the south side of Biggs Princeton Road, about 500 yards west of Riceton Highway, about 1 mile northwest of Biggs.
27
Comment
JEPS120036
Echinochloa crus-galli
Lowell 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
JEPS120763
Echinochloa crus-galli
Lowell Ahart
2013-9-20
19055
Butte
About 100 yards west of the railroad, about 400 yards south of the Rice Experiment Station buildings, about 2 miles SE of Richvale.
Comment
SEINET10934938
Echinochloa crus-galli
Lowell Ahart
1990-9-30
Ahart 6604
Butte
Along the edges of Canyon Creek, below the high water line of Lake Oroville, below the Canyon Creek Bridge across Lake Oroville. Foothill Woodland (destroyed). T20N R5E SE/S17.
229
Comment
CDA2000
Echinochloa oryzoides
G. D. Barbe, T. C. Fuller
1977-9-2
2336
Butte
Rice Experiment Station, Biggs.
0
Comment
CHSC115333
Elatine
Lowell Ahart
2015-4-24
20071
Butte
Normal size plants, on damp bare soil, bottom of a large duck field.
19
Comment
CHSC82228
Elatine ambigua
Lowell Ahart
2002-4-10
9476
Butte
On the bottom and sides of ponds and ditches, east of Parking Lot 10, Gray Lodge State Wildlife Management Area, about 4 miles (air) southwest of Gridley.
22
Comment
CHSC84010
Elatine ambigua
Lowell Ahart
2003-6-19
10291
Butte
Bottom of a wash, Peter Ahart Ranch, about 100 yards east of Palermo Honcut Highway, about 1 3/4 miles north of Honcut, about 12 miles south of Oroville.
28
Comment
JEPS104282
Elatine ambigua
Lowell Ahart
2003-6-23
10299
Butte
On the bottom of a wash, Peter Ahart Ranch, ca 100 yd e of Palermo Honcut Highway, ca 2 1/4 mi n of Honcut, ca 12 mi south of Oroville.
30
Comment
CHSC80523
Elatine heterandra
Lowell Ahart
2001-4-15
8729
Butte
A deep ditch, southeast of the large pump, on the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) southwest of Gridley.
22
Comment
SEINET10447967
Elatine rubella
Mary Susan Taylor, Lowell Ahart
1981-8-16
Taylor 4200
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
CHSC104846
Eleocharis acicularis var. acicularis
Lowell Ahart
2010-6-9
16776
Butte
10 yards north of the poor dirt road, about 100 yards east of the fence, about 150 yards east of where you park, east of Cherokee Road, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
384
Comment
CHSC78181
Eleocharis acicularis var. occidentalis
Lowell Ahart
2000-6-5
8447
Butte
On the north margin of a large wash, about 100 yards west of the road crossing, Peter Ahart Ranch, about 1 3/4 miles north and 1 1/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
36
Comment
CHSC78286
Eleocharis acicularis var. occidentalis
Lowell Ahart
2000-6-17
8487
Butte
In a large spring like area, west of the lone oak tree, west of the cow chute and the large parking area on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
CHSC55611
Eleocharis atropurpurea
L. P. Janeway
1986-9-20
1886
Butte
Inside the bend in the road at the junction of Chico Butte City Hwy and Road 48.
28
Comment
CHSC97253
Eleocharis atropurpurea
Lowell Ahart
2007-8-19
14489
Butte
About 2 1/4 miles (air) southeast of Honcut, about 13 miles (air) southeast of Oroville.
49
Comment
JEPS98468
Eleocharis bella
Lowell Ahart
2000-9-15
8689
Butte
2 mi SE of Ordbend (N of a large pond on E side of Sacramento River, NW of Parrott Landing, 1 mi SE of Ord Ferry, 12 air miles SW of Chico)
32
Comment
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
CHSC110240
Eleocharis bolanderi
L. P. Janeway
2012-6-2
10833
Butte
Northern High Sierra Nevada. Plumas National Forest; eastern slope of Bloomer Hill, 1.0 air km east of the top.
701
Comment
CHSC78298
Eleocharis bolanderi
Lowell Ahart
2000-6-29
8541
Butte
Flea Meadow, about 1/2 mile west of Flea Mountain, about 3 1/2 miles (air) north of Concow Reservoir, about 5 miles (air) east of Magalia.
1036
Comment
CHSC58283
Eleocharis engelmannii
Lowell Ahart
1992-5-23
6774
Butte
Fallow rice field, on the north side of Biggs Princeton Road, about 2 miles west of Biggs.
30
Comment
CHSC78192
Eleocharis engelmannii
Lowell Ahart
2000-6-4
8445
Butte
In the small meadow south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles (air) southwest of Forbestown.
731
Comment
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
JEPS94769
Eleocharis macrostachya
Lowell Ahart
1998-7-18
8038
Butte
about 7 air mi n of Oroville (about 1/2 mi n of the ione oak tree, about 1/2 mi n of the cow chute along Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road
403
Comment
SEINET10466798
Eleocharis macrostachya
Mary Susan Taylor
1978-9-8
Taylor 1878
Butte
Along flood control slough, ca. 4 mi N of Chico, along Hwy 99.
61
Comment
SEINET9084724
Eleocharis obtusa var. obtusa
L. Ahart
2000-9-4
8685
Butte
E side of the Sacramento River, NW of Parrott Landing, ca 1 mile SE of Ord Ferry, ca 2 miles SE of Ordbend, ca 12 air miles SW of Chico.
32
Comment
SEINET11749733
Eleocharis ovata
Unknown
1983-1
4027
Butte
Peter Ahart Ranch, 2.5 mi NE of Honcut
50
Comment
CHSC78194
Eleocharis pachycarpa
Lowell Ahart
2000-5-23
8387
Butte
On the wet side of a large wash, northeast of the pond, about 1/8 mile north of La Porte Road, about 1/2 mile southeast of the Honcut Cemetery, about 4 miles northeast of Honcut, about 13 miles (air) southeast of Oroville.
54
Comment
SEINET11750485
Eleocharis pachycarpa
Unknown
1985-1
5161
Butte
Peter Ahart Ranch, ca 1 mi N & 3 mi E of Honcut, ca 12 mi S of Oroville,W side of North Honcut Creek
46
Comment
CAS-BOT-BC113213
Eleocharis parishii
Copeland
1903-5-30
3280
Butte
Chico
Comment
SEINET10587098
Eleocharis quadrangulata
Vernon H. Oswald, Lowell Ahart; Barbara J. Ertter
1998-10-22
Oswald 9676
Butte
T19N R3E Sect. 27. Pond on east side of Larkin Rd., just south of the boundary of the Oroville WA at the clay pits, ca. 1 mi south of the Oroville Municipal Airport.
41
Comment
CHSC78000
Eleocharis quinqueflora
Lowell Ahart
2000-5-10
8333
Butte
On the north margin of a large wash, just west of the road crossing, Peter Ahart Ranch, about 1 3/4 miles north and 1 1/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
36
Comment
CHSC78308
Eleocharis quinqueflora
Lowell Ahart
2000-7-5
8553
Butte
South margin of the boggy area in a large spring like area, west of the lone oak tree, west of the cow chute and the large parking area on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
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
SEINET7587014
Eleocharis quinqueflora
Lowell Ahart
2000-5-23
8386
Butte
About 1/8 mile north of La Porte Road, about 1/2 mile southeast of the Honcut Cemetery, about 4 miles northeast of Honcut, about 13 miles (air) southeast of Oroville.
55
Comment
CHSC88243
Elodea canadensis
Lowell Ahart
2004-7-11
11225
Butte
On the southeast shore of Paradise Lake, about 3/4 mile northeast of the picnic area, about 1 mile northeast of Paradise Dam, about 4 miles (air) southwest of Stirling City.
814
Comment
CHSC98334
Elymus caput-medusae
L. P. Janeway; B. Castro
2007-5-19
8979
Butte
Cascade Range Foothills. Bottom of un-named drainage on southesast side of Neal Road, 2.9 air km northeast of Hwy 99, approximately under the high power lines. On the lowest terrace above the dry dreek; dry hard clay soil, Tuscan Mudflow outcrops (volcanic) above.
91
Comment
CHSC44175
Elymus glaucus subsp. glaucus
V. Oswald; Lowell Ahart
1988-7-29
3642
Butte
Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn.
2103
Comment
CHSC69061
Elymus glaucus subsp. glaucus
Lowell Ahart
1997-8-1
7783
Butte
Near some small streamlets of Little Kimshew Creek, in Snow Meadow, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City.
1524
Comment
JEPS116073
Elymus glaucus subsp. glaucus
Lowell Ahart
2009-5-30
15793
Butte
On dry soil, about 50 yards south of the fence and about 120 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway32, about 10 miles northeast of Chico
269
Comment
CHSC45420
Enemion occidentale
Lowell Ahart
1973-2-28
156
Butte
Along the south side of Swedes Flat Road, about 1 mile east of the Oroville Bangor Highway, north-east of Bangor.
304
Comment
CAS-BOT-BC410232
Enemion occidentale
Flower Shaw
1926-4-24
s.n.
Butte
Los Verjils
Comment
UCD23087
Ephedra gerardiana
Gerald L. Vertrees
1960-7-8
s.n.
Butte
Plant Introduction Station, Chico.
Comment
SEINET10453215
Epilobium adenocaulon var. holosericeum
Mary Susan Taylor
1977-6-25
Taylor 1375
Butte
Foothill Woodland-Yellow Pine Forest transition zone, on Ponderosa Way betwe en Cohasset and Forest Ranch.
610
Comment
RSA458688
Epilobium brevistylum
Louis C. Wheeler
1928-8-21
413
Butte
Neighborhood of Jonesville; swamp near head of Willow Creek
1524
Comment
SEINET10453197
Epilobium brevistylum
Lowell Ahart
1983-8-16
Ahart 4296
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
CHSC26296
Epilobium canum subsp. latifolium
J. P. Kroessig
1977-8-1
22
Butte
E margin of Hwy 32, ca 6 km wsw of Butte Meadows. Roadside.
1098
Comment
CHSC69047
Epilobium canum subsp. latifolium
Lowell Ahart
1997-8-1
7775
Butte
Near some small streamlets of Little Kimshew Creek, in Snow Meadow, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City.
1524
Comment
JEPS124102
Epilobium densiflorum
Lowell Ahart
2015-6-6
20203
Butte
About 5/8 mile northwest of the iron gate along Cherokee Road, Beatson Hollow, North Table Mountain, about 7 miles (air) north of Oroville.
Comment
SEINET10453012
Epilobium foliosum
Lowell Ahart, Peter Ahart
1983-6-30
Ahart 4185
Butte
T23N R4E ne sec 10. On east side of West Branch of Feather River, ca. 5 mi s of Stirling City. Yellow Pine Forest; 1150 m.
1150
Comment
CHSC70336
Epilobium glaberrimum
R. A. Schlising; R. Banchero
1980-7-11
3875
Butte
E part of county on Oroville-Quincy Highway, 1.4 miles S of Merrimac and 4.2 miles N of Mountain House; in roadside ditch.
Comment
CHSC26743
Epilobium glaberrimum subsp. glaberrimum
M. S. Taylor; M. Hayes, R. Schlising
1977-8-17
1468
Butte
In meadows along Julie's Creek, between Old Humboldt Rd and Butte Creek, ca. 3.4 mi e of Butte Meadows.
1341
Comment
UC204450
Epilobium glaberrimum subsp. glaberrimum
A. A. Heller
1914-7-23
11601
Butte
Chico Meadows
1219
Comment
CHSC11780
Epilobium obcordatum
E. B. Copeland
1931-7-13
664
Butte
Jonesville. At 'the Summit.
2000
Comment
UCD106785
Epilobium obcordatum
E. B. Copeland
1931-7-13
664
Butte
Jonesville.
2000
Comment
SEINET10453022
Epilobium obcordatum
Mary Susan Taylor
1980-8-2
Taylor 3201
Butte
T27N R5E center sec 32, Jonesville quad. Humboldt Peak, N tip of the county.
2155
Comment
CHSC64199
Epilobium oregonense
S. C. Morey
1983-8-3
698
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows.
1292
Comment
CHSC116208
Epilobium torreyi
Lowell Ahart
2015-7-4
20268
Butte
On both sides of the dirt road, branch road to a meadow west of road to Jackson Ranch, about 500 yards north of the County Road, about one 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.
1252
Comment
CHSC94066
Epilobium torreyi
R. Fischer
2005-6-12
743
Butte
Sierra Nevada foothills, off Hwy. 32, about 4 miles east of Chico off 10 Mile House Road in Bidwell Park. Collection made near the junction of Guardian Trail on the dry roadbed, an opening in a brush/oak woodland.
219
Comment
JEPS119904
Epilobium torreyi
Lowell Ahart
2012-5-31
18125
Butte
About half way between Salmon Hole trail and Parking Area O, Upper Bidwell Park.
Comment
CHSC28508
Equisetum arvense
M. S. Taylor; J. D. Jokerst
1979-10-13
2251
Butte
By creek crossing Jordan Hill Rd (Ponderosa Way on some maps), ca. 0.8 mi n of its jct with Concow Rd, ca. 5 mi e of Paradise.
426
Comment
CHSC9134
Equisetum arvense
Terril Wolt
1970-3-10
6
Butte
Ca. 500 ft. W. of public boat launch on River Rd., 8 mi. W. of Chico.
Comment
CHSC51288
Eragrostis hypnoides
Lowell Ahart
1990-9-30
6599
Butte
Along the edges of Canyon Creek, below the high water line of Lake Oroville, below the Canyon Creek Bridge across Lake Oroville.
219
Comment
CHSC65187
Eragrostis hypnoides
Lowell Ahart
1995-8-19
7614
Butte
East side of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 12 miles south-east of Oroville.
36
Comment
CDA31778
Eragrostis pectinacea var. pectinacea
L. Ahart
2004-9-14
11402
Butte
On the east side of Palermo Honcut Highway, about 20 feet south of Palermo Road, east part of Palermo.
Comment
JEPS106155
Eragrostis pectinacea var. pectinacea
Lowell Ahart
2004-9-14
11402
Butte
On the east side of Palermo Honcut Highway, about 20 feet south of Palermo Road, east part of Palermo
57
Comment
CHSC83171
Eragrostis pilosa var. pilosa
Beecher Crampton
1963-9-9
6884
Butte
Honcut. Meadow along road.
Comment
CHSC44115
Eremogone cliftonii
L. P. Janeway; R. A. Schlising
1987-6-26
2307
Butte
Above Camp Cr 2.5 mi E of Granite Ridge along rd to Lynch and Logue Mdws.
1365
Comment Read comments Jul 8 2014
UC699659
Ericameria nauseosa var. speciosa
E. B. Copeland
Butte
Butte Meadows Butte
Comment
CHSC38340
Erigeron canadensis
Vernon Oswald
1983-9-10
1038
Butte
Upper Bidwell Park, Chico, about 300 ft w of Day Camp.
91
Comment
RSA774145
Erigeron lassenianus
L. Ahart
2010-9-21
17227
Butte
South side of a poor dirt road, about 1 air mile NE of Jones Meadow, about 2.5 air miles SE of Philbrook Reservoir
1900
Comment
CHSC43178
Erigeron lassenianus var. lassenianus
Robert Banchero
1981-6-20
523
Butte
Ca 1 mi w of Jones meadow.
1810
Comment
POM193096
Erigeron peregrinus subsp. callianthemus
E. B. Copeland
1930-7-12
491
Butte
Above Jonesville
1800
Comment
CHSC61906
Erigeron petrophilus var. sierrensis
M. S. Taylor
1981-6-19
3962
Butte
N side of Feather River Hwy 70, at nw end of Pulga bridge and along Pulga Rd, ca. 20 mi ne of Oroville.
Comment
CHSC3515
Erigeron philadelphicus
John Francis
1966-4-6
105
Butte
1.5 miles E. of covered bridge (Honey Run). Beside road.
Comment
CDA28201
Eriochloa acuminata var. acuminata
L. Ahart
2004-9-14
11400
Butte
On the east side of Palermo Honcut Highway, about 20 feet south of Palermo Road, east part of Palermo.
Comment
JEPS106152
Eriochloa acuminata var. acuminata
Lowell Ahart
2004-8-30
11397
Butte
In a young peach orchard, on the south side of O'Brien Road, about 100 yards east of Gilstrap Avenue, about 1 1/2 miles (air) southeast of Gridley
28
Comment
CHSC39792
Eriodictyon californicum
Eloise Gallatin
1935-5-17
Butte
Fern Bank
Comment
UCD119298
Eriodictyon californicum
P. Thompson
1996-4-26
33
Butte
Hwy 70.
1800
Comment
CHSC45365
Eriogonum lobbii
Vernon Oswald
1985-5-28
1784
Butte
Little Bald Rock near Bean Creek Rd. 0.3 mi e of Bald Rock Rd. Growing in sandy soil on an open granitic outcrop.
1011
Comment
CAS-BOT-BC263200
Eriogonum marifolium var. marifolium
A. A. Heller
1928-7-25
14700
Butte
Along the forest service trail between Jonesville and Butte Creek House
Comment
CHSC33279
Eriogonum marifolium var. marifolium
R. A. Schlising; R. Banchero
1980-7-31
3949
Butte
N part of county, on andesite outcrops and flats N of Snow Mt.
1950
Comment
POM319187
Eriogonum pedunculatum
Patricia Wilder
1971-6-23
5181
Butte
Magalia, N of Paradise, Coutelenc Road, just N of jct with Skyway Road, along railroad track West slope of Sierra Nevada, W branch Feather River Drainage Area.
732
Comment
CAS-BOT-BC253051
Eriogonum roseum
Lowell Ahart
1989-7-4
6366
Butte
On and around graves in the Cementery about 1/2 mile south of Oregon Gulch Road about 1 mile west of Rocky Point, about 10 miles east and 3 miles north of Oroville
335
Comment
UC1594558
Eriogonum spergulinum var. reddingianum
Lowell Ahart
1992-7-29
6876
Butte
about 3/4 mi nw Lotts Lake (about 1 mi ne of the Carr Mine)
1798
Comment
CHSC40784
Eriogonum umbellatum var. ahartii
Lowell Ahart
1985-8-15
5164
Butte
50 yards south of the road to the Forbestown Res., about 2 1/2 miles northeast of Forbestown.
883
Comment
CHSC51894
Eriogonum umbellatum var. ahartii
L. P. Janeway
1987-6-20
2267
Butte
Top of Lumpkin Ridge 0.6 mi S of the Feather Falls-Lumpkin Ridge Rd.
1249
Comment
SEINET5332483
Eriogonum umbellatum var. ahartii
J. L. Reveal
1975-8-24
3977
Butte
Along California Highwya 70 in Feather River Canon at the turnoff to Pulga.
Comment
SEINET782824
Eriogonum umbellatum var. ahartii
J. L. Reveal
1975-8-24
3977
Butte
Along California Highway 70 in Feather River Canyon at the turnoff to Pulga
Comment
CHSC36094
Eriogonum umbellatum var. modocense
R. A. Schlising; K. Tarp, F. J. Fuller
1982-7-18
4326
Butte
N Butte County NE of Philbrook Res., along crest leading to Snow Mountain Peak.
2103
Comment
CHSC30077
Eriogonum ursinum var. ursinum
R. A. Schlising; D. Ikeda, R. Banchero
1980-6-26
3784
Butte
Along Humboldt Rd., 1.9 mi NE of jct with Hwy 32 at Lomo; on open N and W-facing cliffs.
Comment
CHSC42490
Eriogonum ursinum var. ursinum
Lowell Ahart
1987-5-27
5717
Butte
Road cut along Poe Power House Road, about 3/4 mile north-west of the Poe Power House, about 1 1/2 miles south-east of Jarbo Gap.
365
Comment
SEINET10474638
Eriophyllum lanatum
Mary Susan Taylor, Vernon H. Oswald
1985-5-30
Taylor 5519
Butte
outcrop, 0.6 mi S of Coyote Gap, on open knoll at loop in French Creek Road, ca. 25 air mi NE of Oroville.
Comment
CDA20457
Eriophyllum lanatum var. croceum
B. Smith
August 1996
s.n.
Butte
Plumas National Forest; 1.5 mi S of Feather Falls along Owl Creek.
0
Comment
CHSC109576
Eriophyllum lanatum var. grandiflorum
L. P. Janeway
2012-6-7
10856
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
CHSC664
Erodium botrys
P. Delaplane
1965-3-20
25
Butte
On open fields on W. side of Cactus Ave at intersection of Manzanita, Chico.
30
Comment
CHSC101084
Erodium brachycarpum
Lowell Ahart; John Dittes
2009-3-20
15509
Butte
Open area west of the Guardian Rock Trail, about 175 yards southwest of the Ten Mile House Road Trail, about 300 yards west of Highway 32, west of the intersection of Highway 32 and Ten Mile House Road, Upper Bidwell Park, about 10 miles northeast of Chico.
407
Comment
CHSC29992
Erodium brachycarpum
L. Ahart
1980-4-7
Butte
Along Swedes Flat Road, near Bangor, on damp granitic soil near the bridge across Rocky Honcut Creek.
320
Comment
SEINET10495107
Erodium cicutarium
Mary Susan Taylor
1973-1
Taylor 38
Butte
Upper Bidwell Park, Chico. Associates: Stipa pulchra, Lasthenia chrysostoma, Layia fremontii.
61
Comment
JEPS115288
Erodium moschatum
Lowell Ahart
2009-4-3
15529
Butte
Along margins of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico
67
Comment
UCR237319
Erodium moschatum
George K. Helmkamp, E. A. Helmkamp
2012-4-14
18731
Butte
Northern Sacramento Valley, Middle Honcut Road, 1.5 miles east of CA-70, ESE of Gridley
18
Comment
UC203586
Eruca vesicaria subsp. sativa
A. A. Heller
1914-7-11
11560
Butte
6 mi from Chico (Chico-Hamilton road)
Comment
CHSC23530
Eryngium castrense
M. S. Taylor
1976-3-23
1033
Butte
Ca. 10 ft s of corner of Broyles Rd and Hwy 99, ca. 11 mi n of Chico.
60
Comment
CHSC8584
Erythranthe bicolor
B. Jackson
1968-5-5
26
Butte
Taken ca. 1 mi S. of Cohasset Grammar School on E. side of Cohasset Rd. along small, slow moving stream area unfenced.
609
Comment
SEINET8245391
Erythranthe bicolor
A. A. Heller
1914-5-17
11338
Butte
none.
732
Comment
CHSC43760
Erythranthe breweri
Vernon Oswald
1983-8-4
956
Butte
Near Humbolt Rd. 3.5 mi n-e of Butte Meadows.
1414
Comment
CHSC42717
Erythranthe cardinalis
Lowell Ahart
1987-6-9
5723
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC48997
Erythranthe floribunda
Vernon Oswald
1984-6-3
1251
Butte
Sacramento River, ca. 0.5 mi downstream from the mouth of Stony Creek.
39
Comment
CHSC105774
Erythranthe glaucescens
Christopher T. Ivey
2010-6-7
377
Butte
Honey Run Road, 7.7 km NE of bridge crossing Butte Creek, in roadside ditch.
427
Comment
CHSC110631
Erythranthe glaucescens
Christopher T. Ivey; Jenn Coughlan
2013-5-17
383
Butte
Centerville Rd. about 1 km N of Honey Run bridge. Roadside ditch on W side of road.
115
Comment
CHSC43164
Erythranthe glaucescens
R. A. Schlising
1980-6-30
3803
Butte
Humbolt Road, 1.9 mi NE of jct with Hwy 32 at Lomo. Carpenter Ridge.
Comment
CHSC44680
Erythranthe glaucescens
R. Banchero
1980-4-13
114
Butte
Along the bluffs 0.7 mi NW of the Covered Bridge, ca 6.8 mi E of Chico.
304
Comment
CHSC44822
Erythranthe glaucescens
R. Banchero
1980-4-26
130
Butte
Along the Cohasset Hwy 4.9 mi NE of its jct with Keefer Rd, 1.3 mi SW of the town of Cohasset.
445
Comment
SEINET14214297
Erythranthe glaucescens
Harris, Reese
1963-4-16
s.n.
Butte
Chico.
122
Comment
CAS-BOT-BC153865
Erythranthe glaucescens
Mrs. C. C. Bruce
1897-5-1
2104
Butte
Butte Creek & Iron [canon] Canyon
Comment
CHSC113285
Erythranthe guttata
Lowell Ahart
2014-5-13
19465
Butte
Below the high water line of Lake Oroville, about 200 yards southwest of the poor parking area, on the east side of McCabe Creek, about 11 miles (air) east of Oroville.
244
Comment
CHSC84222
Erythranthe guttata
Lowell Ahart
2003-7-16
10410
Butte
On the south side of North Honcut Creek, about 3/4 mile north and 2 1/4 miles east of Honcut, about 12 miles southeast of Oroville.
31
Comment
CHSC94605
Erythranthe guttata
Lowell Ahart
2006-9-13
13322
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
CHSC98995
Erythranthe guttata
Lowell Ahart
2008-5-21
14774
Butte
Damp to dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam.
246
Comment
SD4665
Erythranthe moschata
E. B. Copeland
1929-7-13
463
Butte
Jonesville, in half shady glades
1550
Comment
CHSC44741
Erythranthe nasuta
R. Banchero
1980-4-7
92
Butte
Along Swedes Flat Rd ca 2.8 mi E of its jct with the Bangor Hwy, Ca 0.6 mi W of the jct of Swedes Flat Rd and the Hurleton-Swedes Flats Rd.
373
Comment
CHSC11894
Erythranthe primuloides
E. B. Copeland
1930-7-15
460 A
Butte
Jonesville.
1500
Comment
CHSC44767
Erythranthe primuloides
R. Banchero
1980-7-7
286
Butte
Along Quartz Creek Rd 0.3 mi S of the Fall River campground, ca 6 mi NE of the town of Feather Falls.
1036
Comment
SEINET10469660
Erythronium cliftonii
Mary Susan Taylor, L. Hanson
1981-4-2
Taylor 3473
Butte
T20N R6E se sec 15; Forbestown quad. S side of Rd 20N67A (old RR bed) at curve in rd, ca. 1/10 mi s of its jct with 20N67, ca. 1/4 mi nw of Lumpkin Rd, ca. 1.5 mi w of Feather Falls. Yellow Pine Forest opening; 2500 ft.
762
Comment
SEINET10872534
Erythronium cliftonii
Mary Susan Taylor
1980-3-8
Taylor 2378
Butte
Pulga community, ca. 1 mi NE of Hwy 70, ca. 28 mi NE of Oroville; serpentine soils.
488
Comment
CHSC36220
Erythronium multiscapideum
Lowell Ahart
1982-4-8
3270
Butte
Near North Honcut Creek, about 1 1/4 miles north and 3 miles east of Honcut.
50
Comment
CHSC79622
Erythronium multiscapideum
G. F. Hrusa
1997-5-1
13720
Butte
Sierra Nevada. NE side of upper end of Paradise Lake, where last tributaries from E enter Lake. [Lat./Long. on label is '39 52 N; 121 35 W'].
810
Comment
CHSC87535
Erythronium multiscapideum
R. D. Fischer
2004-3-22
91
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Collected near Hwy 32 and parking area for 10 Mile House Road 300 ft down rd.
457
Comment
UC1731208
Erythronium multiscapideum
Dean W. Taylor
1997-3-13
15914
Butte
Magalia; summit serpentine hill directly east of town
731
Comment
CAS-BOT-BC504535
Erythronium multiscapideum
John Thomas Howell; Gordon H. True
1969-4-9
45492
Butte
Magalia
701
Comment
SEINET10469550
Erythronium multiscapideum
Mary Susan Taylor
1981-4-10
Taylor 3526
Butte
T22N R4E sw sec 12, Pulga SW quad. 8 side of private rd. ca. 1/8 mi E of 4 mi N of Jarbo Gap on Hwy 70, ca. 19 air mi N of Oroville. Yellow Pine Forest; 3000 ft.
914
Comment
SEINET3992253
Erythronium multiscapideum
Rimo Bacigalupi, G. T. Robbins, F. Chisaki
1956-4-19
5601
Butte
1/2 mile north of Magalia
732
Comment
SEINET7030126
Erythronium multiscapideum
M. S. Taylor, D. Hemphill
1981-3-18
3422
Butte
Paradise Quadrangle. From bridge crossing West Branch Feather River, calculated 0.5 mile east and south along Ponderosa Way (Jordan Hill Road) and both banks of the river. in serpentine; calculated 1 mile northeast of Magalia. Elevation calculated 1600 to 1900 feet. [EX MO Herbarium Accession No. 3834966].
Comment
CAS-BOT-BC402640
Eschscholzia caespitosa
A. A. Heller
1938-4-23
15052
Butte
Just west of the summit between the West Branch and the North Fork of the Feather River on Highway #24
Comment
CHSC27672
Eschscholzia lobbii
Robert A. Schlising
1978-4-23
3224
Butte
S of Cohasset along Cohasset Road, 4.9 mi NE of jct with Richardson Springs Road, 4.9 mi NE of jct with Richardson Springs Road and 5.2 mi NE crossing of Mud Creek.
Comment
POM125743
Eschscholzia lobbii
C. C. Bruce
1897-04
2027
Butte
Near Chico
Comment
RSA144838
Eschscholzia lobbii
W. R. Ernst
1958-3-27
220
Butte
Along the Skyway to Paradise (east of Chico)
Comment
UCD95383
Eschscholzia lobbii
David E. Young
1983-6-6
13
Butte
North Table Mountain, 0.4 km west of Cherokee Road, 0.5 km SW of Oregon Gulch Road, and 10 km north of Oroville, 7 km E of Hwy 70.
390
Comment
CHSC3644
Eucalyptus tereticornis
Alice L. Stoll
1966-3-5
47
Butte
Lower Bidwell Park between freeway and Manzanita Ave., Chico, along roadside.
Comment
SEINET10973051
Euphorbia maculata
Lowell Ahart, Peter Ahart
1985-7-9
Ahart 5111
Butte
About 1/4 mile north-west of the Ponderosa Dam across the South Fork of the Feather River.
Comment
SBBG128795
Euthamia occidentalis
L. Ahart
2012-10-28
18531
Butte
N side of Big Chico Crk, S of Table 34, W of Cedar Grove, Lower Bidwell Park, Chico
68
Comment
SEINET10904941
Euthamia occidentalis
Mary Susan Taylor
1979-10-2
Taylor 2215
Butte
Sacramento River Chico Landing and park, off River Road near the washout, ca. 5 mi W of Chico; Riparian Woodland.
30
Comment
JEPS121967
Fallopia convolvulus
Lowell Ahart
2014-7-7
19558
Butte
About 5 yards east of the Skyway, about one-mile north of Stirling City.
Comment
CHSC61537
Festuca arundinacea
Lowell Ahart
1993-6-16
6968
Butte
Along a dirt road, south-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 (air) miles south-west of Forbestown.
609
Comment
CHSC40452
Festuca californica
Lowell Ahart
1985-5-15
4998
Butte
East of a small dry stream, 1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow Res.
731
Comment
CDA13878
Festuca occidentalis
G. F. Hrusa, T. D. Wilfred
1997-5-7
13736
Butte
Sierra Nevada; Bottom of Little Butte Creek canyon above Magalia Reservioir, N of Magalia. Immed. E of Holmwood Drive.
Comment
CHSC101461
Festuca rubra
L. P. Janeway; Sarah Starkey
2009-7-13
9858
Butte
Northern High Sierra Nevada. Northern end of Rocky Ridge, just northwest side of Rim Road (Ponderosa Way) 0.8 km southeast of Concow Road.
978
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
CAS-BOT-BC278631
Festuca subulata
Lowell Ahart
1988-7-31
6148
Butte
On the east side of the West Branch of the Feather River, north of the bridge, about 4 road miles north of Stirling City
914
Comment
CHSC99566
Festuca subuliflora
L. P. Janeway
2008-6-22
9432
Butte
Northern High Sierra Nevada. Along Four Trees Road at crossing of South Branch Mill Creek (a tributary to North Fork Feather River); 2.7 air km east of Pulga Bridge (Hwy 70) over North Fork Feather River. On moist banks.
823
Comment
CAS-BOT-BC77692
Ficus carica
John Thomas Howell
1959-9-20
34702
Butte
Feather River Highway 5.5 miles below West Branch bridge
Comment
CDA5502
Foeniculum vulgare
L. Ahart
2001-6-13
8816
Butte
On the sides 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
CHSC48843
Fragaria vesca
Vernon Oswald
1987-6-2
2950
Butte
Forbestown Reservoir Rd. where it crosses the first drainage w of Woodleaf and Oroleve Creeks. On the edge of a stream.
792
Comment
CAS-BOT-BC437083
Fragaria virginiana subsp. platypetala
E. B. Copeland
1929-7-16
373
Butte
Jonesville
1550
Comment
CAS-BOT-BC62947
Frangula californica subsp. tomentella
Lowell Ahart
1983-6-21
4100
Butte
Along the edge of Bloomer Hill Road, about 3 mi. nw. of the Oroville Quincy Highway, about 16 mi. nw. of Oroville.
700
Comment
CAS-BOT-BC223385
Fraxinus dipetala
A. A. Heller
1914-5-18
11405
Butte
Between Chico and Forest Ranch, 14 miles from Chico
Comment
CHSC87431
Fraxinus dipetala
R. D. Fischer
2004-3-22
94
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Collected on Guardian Trail, 400 ft south of its junction with 10 Mile House Road. Along trail, and along 10 Mile House Road.
403
Comment
JEPS119531
Fraxinus dipetala
Lowell Ahart
2012-4-20
17896
Butte
On the west side of South Rim Trail, about 5/8 mile west of Highway 32, about 8 1/2 miles (air) northeast of Chico, south part of Upper Bidwell Park.
Comment
CAS-BOT-BC223473
Fraxinus latifolia
A. A. Heller
1913-9-12
11133
Butte
Chico, on Big Chico Creek
Comment
JEPS108969
Fraxinus latifolia
Lowell Ahart
2006-9-11
13288
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
JEPS115585
Fraxinus latifolia
Lowell Ahart
2009-5-23
15749
Butte
On the east edge of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highwat 32, about 10 miles northeast of Chico
203
Comment
RSA769899
Fraxinus latifolia
George K. Helmkamp, E. A. Helmkamp
2009-9-5
15570
Butte
Lower Honcut Road, 0.8 mile east of its junction with CA-70, 2.5 mi. WSW (261 deg ) of Honcut, 6.6 mi. SE (116 deg ) of Gridley
27
Comment
CAS-BOT-BC212962
Fremontodendron californicum
Frances Brown
1935-5-1
s.n.
Butte
Near Durham.
Comment
CHSC23539
Fritillaria eastwoodiae
M. S. Taylor
1976-3-16
1028
Butte
Ca. 25 ft s of Honey Run Bridge, ca. 8 mi e of Chico.
152
Comment
SEINET10469654
Fritillaria eastwoodiae
Mary Susan Taylor
1979-3-20
Taylor 1947
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
RSA32885
Fritillaria recurva
A. A. Heller
1939-4-26
15386
Butte
Near Stirling
Comment
SEINET10935621
Galium aparine
Mary Susan Taylor
1975-8-31
Taylor 887
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
JEPS121970
Galium bolanderi
Lowell Ahart
2014-7-7
19569
Butte
Along the east side of the Skyway, about one-mile south of Inskip.
Comment
CHSC36513
Galium divaricatum
L. Ahart
1982-5-29
3448
Butte
N of the Peter Ahart Ranch, ca. 2.5 mi N and 1 mi E of Honcut.
50
Comment
CAS-BOT-BC26139
Galium grayanum
A. A. Heller
1914-8-7
11668
Butte
Summit back of Jonesville, on the north side of the pass.
Comment
CHSC61648
Galium grayanum var. grayanum
Lowell Ahart
1993-9-8
7165
Butte
On the north side of the ridge, about 1/2 mile east of Snow Mountain.
2103
Comment
CHSC30902
Galium porrigens var. tenue
M. S. Taylor
1980-3-1
2349
Butte
On SE facing bluffs overlooking Hamlin Canyon, ca. 1/4 mi SE of Elliot Spring House on Neal Rd, ca 2 mi SW of Paradise.
301
Comment
JEPS26674
Galium porrigens var. tenue
P. C. Hutchison
1961-6-9
2093
Butte
7 mi s Jarbos Gap (along US Alt. 40); canyon of the north fork of the Feather River
Comment
SEINET10836841
Galium triflorum
Mary Susan Taylor
1979-10-5
Taylor 2237
Butte
T23N R4E sec 18. SE side of Paradise Lake (from picnic area to first creek coming into lake, along road), ca. 0.5 mi N of Coutolenc Rd, ca. 5 mi N of Magalia.
732
Comment
CAS-BOT-BC303385
Gamochaeta ustulata
Lowell Ahart
1984-6-8
4660
Butte
Along Ponderosa Way, about 1/8 mile W of the Ponderosa Dam, about 2 miles NW of Forbestown
370
Comment
CAS-BOT-BC282600
Gastridium phleoides
Lowell Ahart
1985-6-17
s.n.
Butte
Near teh dirt road on Fields Ridge, about 4 miles south-east of Feather Falls
792
Comment
CHSC40454
Gastridium phleoides
Lowell Ahart
1985-6-17
5050
Butte
Near the dirt road on Fields Ridge, about 4 miles south-east of Feather Falls.
792
Comment
CHSC99008
Gastridium phleoides
Lowell Ahart
2008-5-21
14780
Butte
Dry bare granite soil, below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam.
246
Comment
JEPS103281
Gastridium ventricosum
Lowell Ahart
2002-5-7
9639
Butte
High banks of a pond, at the beginning of a SE 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
CHSC73415
Gaultheria ovatifolia
B. Castro; L. Gehrung
1995-6-20
577
Butte
Ca 4 air mi NE of Feather Falls, towards northeastern end of Watson Ridge, in N-trending ravine S of sharp bend in USFS Rd 22N24.
1173
Comment
CHSC84437
Gayophytum diffusum subsp. parviflorum
Lowell 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.
1771
Comment
POM183996
Gayophytum diffusum subsp. parviflorum
H. F. Copeland
1932-8-19
s.n.
Butte
Jonesville, about the Lily Pond
1700
Comment
SEINET12193690
Gayophytum diffusum subsp. parviflorum
R. A. Schlising
1981-1
4164
Butte
NE part of the county, SE of Snag Lake on Snow Mt., top of Snow Mt. Ridge
2073
Comment
CHSC62475
Gayophytum heterozygum
L. P. Janeway
1993-7-31
4486
Butte
Plumas National Forest, La Porte Ranger District. Along Cascade Road 0.6 mi north of Fall River crossing; between Mineral Springs Ravine and Dark Canyon. West-southwest facing road cutbank.
1066
Comment
UC398937
Gayophytum heterozygum
E. B. Copeland
1929-7-29
387
Butte
Butte Creek Jonesville
Comment
SEINET10453075
Gayophytum heterozygum
Mary Susan Taylor
1978-7-18
Taylor 1672
Butte
On W side of Hwy 32 on edge of Yellow Pine Forest, in dry open area, ca. 1/4 mi N of Forest Ranch.
718
Comment
CHSC48451
Gentianella amarella subsp. acuta
Vernon Oswald; Lowell Ahart
1987-8-5
3191
Butte
Scotts John Creek 0.6 mi n of the road connecting Humboldt and Humbug roads.
1780
Comment
UC600680
Gentianella amarella subsp. acuta
E. B. Copeland
1929-7-28
Butte
Jonesville Butte Creek (meadow by Butte Creek)
1500
Comment
CDA31933
Geranium carolinianum
L. Ahart
2008-5-8
14721
Butte
Below the high water line of Lake Oroville, about 50 yards east of the poor parking area, McCabe Creek area, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville
Comment
CHSC672
Geranium carolinianum
V. Holt
1935-3-30
Butte
Chico Creek ridge.
365
Comment
RSA0028177
Geranium carolinianum
L. Ahart
2012-4-30
17945
Butte
South side of the path near the sign, southwest of the intersection of Vallombrosa Avenue and Manzanita Avenue, Lower Bidwell Park.
81
Comment
CHSC113300
Geranium dissectum
Lowell Ahart
2014-4-9
19341
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
CHSC52341
Geranium molle
Paulenn Broyles
1987-5-21
1047
Butte
The Nature Conservancy Vina Plains Preserve. Wurlitzer Addition. At fence roadway NW of Wurlitzer buildings.
Comment
JEPS115328
Geranium molle
Lowell Ahart
2009-4-17
15546
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
SEINET10495127
Geranium molle
Mary Susan Taylor
1980-5-27
Taylor 2644
Butte
T21N R6E sc sec 30. Big Bend quad. On trail (around parking lot) to Big Bald Rock, ca. 3 mi E of Lake Madrone; Yellow Pine Forest, granitic soils.
998
Comment
CHSC48845
Geum macrophyllum
Vernon Oswald
1984-6-7
1268
Butte
Calif. Hwy 32, 1.2 mi n of Chico Creek Bridge. On the edge of a spring.
1109
Comment
JEPS30785
Gilia capitata subsp. capitata
Lincoln Constance
1941-5-28
2827
Butte
South Branch Feather River at Magalia (Sierra Nevada foothills); , South Branch Feather River
487
Comment
CHSC4012
Gilia capitata subsp. pedemontana
D. B. Joley
1967-4-21
26
Butte
Ca. 5 feet from Humbug Rd. and ca. 2.2 miles e of Skyway and Humbug Rd. corner, Chico.
60
Comment
CHSC42089
Gilia capitata subsp. pedemontana
Rusti Gammon
1986-4-18
19
Butte
Ca. 5 mi s of Centerville, ca. 20 yds w of Butte Creek above w bank.
91
Comment
UC196265
Gilia tricolor subsp. tricolor
A. A. Heller
1914-3-26
11228
Butte
canyon of Chico Creek
Comment
CHSC82427
Githopsis specularioides
Lowell Ahart
2002-5-7
9616
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
CHSC116320
Glinus lotoides
Lowell Ahart
2015-10-26
20592
Butte
Strand of Lake Oroville, on the west side of the West Branch of the Feather River, about 1 mile (air) southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise.
207
Comment
RSA126641
Glyceria striata
P. L. Johannsen
1936-7-17
939
Butte
Butte County: 3 miles SE of Butte Meadows, Paynes Creek.
1555
Comment
CAS-BOT-BC302472
Gnaphalium palustre
E. B. Copeland
1931-7-18
s.n.
Butte
Jonesville
1700
Comment
CAS-BOT-BC302478
Gnaphalium palustre
Lowell Ahart
1988-7-24
6126
Butte
At the intersection of Forbestown Road and Black Bart Road, about 1 mile west of Robinson Mill Road
731
Comment
CHSC60953
Gnaphalium palustre
Lowell Ahart
1993-7-6
7048
Butte
On the south side of the dirt road, about 1/4 mile west of the Lost Creek Reservoir.
1036
Comment
CHSC90949
Gnaphalium palustre
Lowell Ahart
2005-4-14
11714
Butte
Bottom of a deep drain ditch, about 200 feet east of the railroad tracks, north of Spruce Street, Gridley.
28
Comment
UCD80064
Gnaphalium palustre
CNPS SN Foothill Team
2005-5-4
SNFN 0199 b
Butte
City of Chico, Bidwell Ranch, about 1.33 miles northwest of the end of Wildwood Road.
88
Comment
UCD138957
Goodyera oblongifolia
L. Ahart
1982-9-13
3805
Butte
ca. 0.2 mile north of Lost Creek Reservoir Dam, ca., 2.2 miles northwest of Strawberry Valley.
1100
Comment
UC1562348
Grindelia hirsutula
Vernon Oswald and Lowell Ahart
1990-7-31
4416
Butte
Jeep trail between Concow Rd and Rim Rd ca 2 mi ne Concow
899
Comment
CHSC34713
Grindelia hirsutula var. davyi
M. S. Taylor
1981-7-10
4059
Butte
North side of Feather River Hwy 70 at Pulga bridge, ca. 20 mi ne of Oroville.
487
Comment
CHSC37365
Grindelia hirsutula var. davyi
R. A. Schlising
1980-8-31
3976
Butte
Richvale Vernal Pools, 1/4 mi s of jct of Hwy 162 to Oroville and Hwy 99, along latter and across from Thermalito Afterbay.
Comment
CHSC4573
Grindelia hirsutula var. davyi
C. Glascock
1965-5-18
431
Butte
SW corner of Nelson and 4th Ave., Thermalito.
Comment
CHSC8118
Grindelia hirsutula var. davyi
J. G. Moore
1969-5-17
81
Butte
20 yds. e of Cohasset Rd., directly across from entrance to Chico Municipal Airport, Chico.
60
Comment
POM220946
Hackelia californica
D. D. Keck, J. Clausen
1935-6-25
3772
Butte
Spring Valley Reservoir 5 miles N.E. of Chaparral.
1707
Comment
UC1560381
Hackelia californica
E. Joyal and D. Mehlman
1988-7-3
1308
Butte
e side of Humboldt Summit; Lassen National Forest
2100
Comment
JEPS120074
Hedera helix
Lowell Ahart, John Dittes, Josephine Guardino
2012-4-6
17806
Butte
On the north side of Big Chico Creek, Lost Park in Bidwell Park, City of Chico.
Comment
CHSC35665
Hedypnois cretica
R. E. Preston
1982-4-22
253
Butte
Ca. 1/2 mi ne of Line Saddle Powerhouse, ca. 4.5 mi se of Paradise.
304
Comment
RSA0080129
Hedypnois cretica
Lowell Ahart
2011-5-22
17356
Butte
West edge of North Honcut Creek, about 2 1/2 miles north and 2 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville.
58
Comment
SEINET3450915
Hedypnois cretica
Unknown
2003-5-15
10179
Butte
Oroville, Oroville, about 12 miles southeast, west side of North Honcut Creek, about 2.5 miles north and 2.6 miles east of Honcut
60
Comment
CAS-BOT-BC306540
Helenium bigelovii
E. B. Copeland
1930-7-11
s.n.
Butte
Jonesville
1500
Comment
CHSC38358
Helenium puberulum
Vernon Oswald
1983-6-14
680
Butte
Upper Bidwell Park, Chico, on the n side of Upper Park Rd. ca. 100 ft e of Diversion Dam Parking Area L.
134
Comment
JEPS118061
Helenium puberulum
Lowell Ahart
2011-8-17
17625
Butte
About 40 yards south of the trail, south 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
POM55212
Helianthella californica var. nevadensis
Kate Conger
1907-1
s.n.
Butte
Brush Creek.
Comment
SEINET10473801
Helianthus annuus subsp. lenticularis
Mary Susan Taylor
1978-9-8
Taylor 1876
Butte
Along flood control slough, ca. 4 mi N of Chico, along Hwy 99.
61
Comment
CAS-BOT-BC305517
Helianthus bolanderi
A. A. Heller
1914-9-3
11761
Butte
On the Chico-Hamilton road 6 miles from Chico
Comment
CHSC354
Helianthus californicus
E. Walker
1932-7-20
Butte
Durham.
57
Comment
CAS-BOT-BC134034
Heliotropium
M. S. Taylor
1975-10-3
943
Butte
Ca. 1/4 mi n of the washout, between River Rd and the Sacramento River, ca. 10 mi w of Chico
36
Comment
UCD34287
Hemizonia congesta subsp. luzulifolia
Beecher Crampton
1978-8-21
9661
Butte
ca. 10 miles S.E. of Chico, 1/2 mile south of the jct. of Pentz road and Hwy.99.
Comment
CHSC33523
Herniaria hirsuta subsp. hirsuta
R. A. Schlising
1981-7-11
4132
Butte
NE of Oroville and NW of Brush Creek near French Creek Road crossing of French Creek.
613
Comment
CHSC87190
Hesperevax acaulis var. acaulis
Lowell Ahart
2004-4-4
10710
Butte
About 20 yards north of the faint old fence ridge, about 175 yards east of Wilber Road, east-northeast of the high hill crossed by Wilber Road, pasture, about 3 miles (air) west of Thermalito.
48
Comment
JEPS33802
Hesperevax caulescens
W. L. Jepson
1932-5-9
16368
Butte
6 mi n Nord (e of Cana (a small station on the S.P. Railroad))
45
Comment
CAS-BOT-BC487622
Heteranthera limosa
John
1983-8-16
s.n.
Butte
Assumed to be from Biggs Rice Field Station, N of Biggs, 2.5 mi W of Hwy 99, 955 Butte City Hwy (Hwy 162)
Comment
CHSC100911
Heterocodon rariflorum
R. A. Schlising
1979-5-4
3436
Butte
South of Cohasset.
457
Comment
CHSC33798
Heterocodon rariflorum
M. S. Taylor
1981-4-28
3567
Butte
N side of rd 23N28.2, in loop in rd, ca. 1.2 mi w of Chino Creek, ca. 4 air mi e of Jarbo Gap on Hwy 70.
929
Comment
CHSC39533
Heterocodon rariflorum
Lowell Ahart
1983-6-12
4040
Butte
Along the edge of aroad near a small meadow, about 1 mile south of Crystal Hill, near Oregon Gulch, near Lake Oroville, about 7 miles south-west of Feather Falls.
425
Comment
CAS-BOT-BC143635
Heteromeles arbutifolia
Lowell Ahart
1985-6-30
5092
Butte
200 yards south of the road to the Forbestown Res., 100 yards south of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown
899
Comment
CHSC38644
Heteromeles arbutifolia
Vernon Oswald
1982-12-17
25
Butte
Bidwell Park, Chico, between Chico Creek and Upper Park Rd about 200 ft w of the end of the pavement.
91
Comment
CHSC77442
Heteromeles arbutifolia
Tim Stofer
1997-4-29
34
Butte
Located 1 mi. from the shooting range on the South Rim Trail off South Park Dr. in upper Bidwell Park.
Comment
CHSC77444
Heteromeles arbutifolia
Laura Bogni
1997-3-25
24
Butte
Magalia grove. West side of Coutelenc Rd.; 1 mi. due W of Sawmill Peak; 1/2 mi. SE of Magalia Reservoir.
701
Comment
NY43614
Heteromeles arbutifolia
S. Bianco
1995-11-3
1050
Butte
0.25km N of Concow School, on S end of Concow Rd
549
Comment
SD8501
Heteromeles arbutifolia
R. M. Austin
1883-1
Butte
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
CHSC96062
Heterotheca oregona var. compacta
L. P. Janeway
2006-10-4
8900
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-BC420460
Heuchera micrantha var. erubescens
Lowell Ahart
1983-5-28
4019
Butte
5 1/2 miles N of town of Feather Falls
600
Comment
JEPS94304
Hieracium albiflorum
Lowell Ahart
1997-8-1
7779
Butte
Near some small streamlets of Little Kimshew Creek, in snow Meadow, about 1/4 mile east of Table Mountain, about 8 air miles northeast of Stirling City.
1524
Comment
CAS-BOT-BC55333
Hirschfeldia incana
Lowell Ahart
1985-7-24
5157
Butte
At the Generator, at the Forbestown Reservation, about 4.5 miles northeast of Forbestown.
350
Comment
JEPS104590
Hoita macrostachya
Lowell Ahart
2003-7-17
10420
Butte
On the e side of Black Bart Rd, ca 1/2 mi w of the intersection of Forbestown Rd and Black Bart Rd, ca 4 mi (air) sw of Forbestown.
716
Comment
SEINET13710942
Hoita macrostachya
Lowell William Ahart, Lowell William Ahart
2003-1
10420
Butte
About 4 Air Mi. SW of Forbestown (39 Deg 29'53.2"N, 121 Deg 20'22.7"W) 2350 Ft.
716
Comment
CAS-BOT-BC280714
Holcus lanatus
Lowell Ahart
1980-7-4
2460
Butte
Along Forbestown Road
750
Comment
CHSC4308
Holcus lanatus
R. L. Smith
1966-5-20
4
Butte
Butte Creek Canyon, Honey Run Rd. 4 mi. e of S Skyway.
Comment
CHSC48170
Holozonia filipes
Vernon Oswald
1985-6-15
1831
Butte
North Honcut Creek on Peter Ahart Ranch, ca. 2.75 mi ne of Honcut.
38
Comment
CAS-BOT-BC285091
Hordeum marinum subsp. gussoneanum
John Thomas Howell
1961-9-22
36781
Butte
Jarbo Gap, Feather River Highway
Comment
CHSC36109
Hordeum marinum subsp. gussoneanum
K. Bridwell
1978-5-25
109
Butte
Ca. 300 yds s of Pentz Rd, ca. 3 mi e of intersection with Hwy 99, ca. 12 mi se of Chico.
76
Comment
CHSC45196
Horkelia fusca subsp. parviflora
Lowell Ahart
1984-7-19
4753
Butte
Near the edges of a meadow, near the dirt road, about 1 1/2 miles south-east of Bald Mountain, 1/4 mile east of Oak Point, about 5 air miles north-east of Stirling City.
1371
Comment
CAS-BOT-BC143977
Horkelia fusca var. tenella
E. B. Copeland
1929-7-25
371
Butte
Jonesville
1550
Comment
CAS-BOT-BC206135
Hosackia crassifolia
V. Oswald; L. Ahart
1988-7-13
3582
Butte
Road to High Lakes e of Philbrook Reservoir, on the n side of the road, on dry margins of a seep on a steep outcropping
1859
Comment
CHSC45282
Hosackia crassifolia var. crassifolia
Vernon Oswald
1987-6-23
3014
Butte
High Lakes Rd. 2.1 mi (odometer) n of Philbrook Rd.
1828
Comment
CHSC51874
Hosackia incana
L. P. Janeway
1988-6-14
2786
Butte
Near headwaters of Haw Cr on Carpenter Ridge, 1 1/2 air mi SE of Lomo.
1280
Comment
CHSC113419
Hosackia oblongifolia var. oblongifolia
Lowell Ahart
2014-7-13
19666
Butte
West part of a large wet meadow (some bog), about 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
CHSC45284
Hosackia pinnata
Vernon Oswald
1987-4-28
2348
Butte
Jordan Hill Rd. between Griffin Gulch and the road to Sawmill Peak Lookout.
914
Comment
CHSC20536
Hydrangea arborescens
Pamela Caldwell
1971-11-7
Butte
CSUC campus. N bank of Chico Creek. Amphitheater.
Comment
CHSC116340
Hydrocotyle umbellata
Lowell Ahart
2015-11-18
20656
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
CHSC43268
Hydrocotyle umbellata
Lowell Ahart
1987-9-4
5880
Butte
On the sides of a drying pond, on the bottom of North Honcut Creek, about 2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville.
67
Comment
CDA42847
Hypericum anagalloides
L. Ahart
2011-7-9
17575
Butte
Southeast edge of a large open bare granite area, about 3/8 mile northeast of Little Bald Rock, about 2 miles (air) southeast of Brush Creek, about 15 miles (air) northeast of Oroville.
Comment
UC398931
Hypericum anagalloides
E. B. Copeland
1929-7-16
381
Butte
Jonesville
1550
Comment
RSA4237
Hypericum androsaemum
E. B. Copeland
1929-7-16
381
Butte
Jonesville
1550
Comment
CAS-BOT-BC410221
Hypericum concinnum
Lowell Ahart
1989-5-23
6231
Butte
along the edge of a new subdivision road, 1/4 mile east of Dunstone Drive, about 1/2 mile north of Bangor Park Road, west of Bangor.
76
Comment
CDA36535
Hypericum concinnum
Bellue & Berry
1938-6-9
Butte
10 miles west of Thermalitos on main highway.
0
Comment
CHSC94999
Hypericum formosum var. scouleri
Lowell Ahart
2006-10-26
13510
Butte
West side of a large meadow with bogs, about 75 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1560
Comment
UC600533
Hypericum formosum var. scouleri
H. F. Copeland
1930-7-24
1316
Butte
Jonesville
Comment
CHSC116020
Hypericum mutilum subsp. mutilum
Lowell Ahart
2015-10-20
20573
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
JEPS117557
Hypericum perforatum
Lowell Ahart
2010-6-25
16841
Butte
Open pasture field, on the north side of the improved parking area, about 100 yards north of the cattle chute and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville
409
Comment
POM195674
Ipomopsis aggregata subsp. formosissima
E. B. Copeland
1929-7-24
394
Butte
Jonesville.
1550
Comment
RSA135944
Iris hartwegii
Lee W. Lenz, E. K. Balls
1955-5-13
20697
Butte
7 miles northeast from Pentz Trading Post on road to U.S. Highway 40 alt. from Oroville-Magalia road
579
Comment
CHSC90188
Iris macrosiphon
Camela J. Ott
1989-4-11
7
Butte
Ca. 100 m ne of covered bridge, along e bank of Centerville Rd. 10.2 km ese of Chico.
120
Comment
UCSB63624
Iris macrosiphon
Chambers, Beth
1986-4-18
Butte
N on Cohasset Rd; 13.8 mi from Eaton Rd; Chico
853
Comment
CHSC35705
Iris tenuissima
J. D. Jokerst
1982-5-8
1569
Butte
Areas adjacent to road to Forbestown Resv.
Comment
CHSC31520
Isoetes howellii
L. Ahart
1978-4-21
1662
Butte
Peter Ahart Ranch, Honcut.
50
Comment
SEINET10932892
Isoetes howellii
Mary Susan Taylor
1980-5-24
Taylor 2738
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC30017
Isoetes nuttallii
L. Ahart
1980-5-17
2271
Butte
1/8 mi se of the Oak Grove Cemetary, ca. 1/2 mi se of Hurleton.
600
Comment
CHSC36897
Isoetes nuttallii
L. Ahart
1982-6-15
3563
Butte
Ca. 1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls.
1000
Comment
CHSC78114
Isoetes nuttallii
Lowell Ahart
2000-6-4
8443
Butte
In the small meadow south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles (air) southwest of Forbestown.
731
Comment
CAS-BOT-BC61877
Isoetes nuttallii
Lowell Ahart
1975-6-20
s.n.
Butte
Valley Grassland, Peter Ahart Ranch, Honcut
38
Comment
CHSC55625
Isolepis setacea
L. P. Janeway
1987-6-20
2271 A
Butte
Seepy area near Fall River and near the road to Fall River and Cascade, 3.0 mi north of the Feather Falls-Lumpkin Ridge Road.
1013
Comment
CHSC78322
Isolepis setacea
Lowell Ahart
2000-7-7
8557
Butte
Small seep just west of the bridge across Fall River, on the north side of Fall River, about 3 miles north of Lumpkin Ridge Road, about 5 miles (air) northeast of Feather Falls.
1036
Comment
CHSC78324
Isolepis setacea
Lowell Ahart
2000-7-11
8564
Butte
Seeps, on the sides of a dirt road, about 100 yards north of Lumpkin Ridge Road, upper west branch of Know-nothing Creek, about 1 miles southwest of the intersection of Lumpkin Ridge Road, road to Fall River, and the County Road, about 5 miles (air) northeast of Feather Falls.
1219
Comment
JEPS118484
Jensia rammii
Lowell Ahart
2011-7-9
17569
Butte
On the west edge of a large open bare granite area, about 3/8 mile northeast of Little Bald Rock, about 2 miles (air) southeast of Brush Creek, about 15 miles (air) northeast of Oroville
967
Comment
JEPS98524
Juncus acuminatus
Lowell Ahart
2000-5-13
8341
Butte
5 air miles SW of Oroville (S side of access road to boat ramp at the Thermalito Afterbay, W of Larkin Road, 1 1/4 mi S of Oroville Airport)
42
Comment
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
JEPS114587
Juncus brachyphyllus
Lowell Ahart
2008-5-30
14792
Butte
Northwest part of the top of Big Bald Rock, about 14 miles (air) northeast of Oroville
976
Comment
SEINET10472237
Juncus bufonius
Lowell Ahart, Peter Ahart
1984-7-19
Ahart 4733
Butte
About 1 1/2 mile south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 miles north-east of Stirling City.
Comment
UCD141375
Juncus bufonius
H. A. Hannesson; R. N. Raynor
1940-5-9
s.n.
Butte
4 miles east of Oroville.
Comment
CHSC113522
Juncus bufonius var. bufonius
Lowell Ahart
2014-7-7
19593
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1664
Comment
UCD141409
Juncus bufonius var. bufonius
L. Ahart
1978-5-1
1683
Butte
Peter Ahart Ranch, Honcut, about 2.25 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
120
Comment
JEPS103414
Juncus capitatus
Lowell Ahart
2002-4-24
9535
Butte
Vernal pools and swales, in a field, on the E side of Lone Tree Road, ca 1 1/8 miles N of Cox Lane, ca 3 miles (air) SW of Palermo, ca 7 miles (air) S of Oroville.
35
Comment
SEINET226470
Juncus capitatus
B. Ertter, JL Strachan; L. Ahart
1980-5-7
3293
Butte
Peter Ahart Ranch ca 2.5 mi NNE of Honcut between Marysville and Oroville
30
Comment
UC1609269
Juncus covillei var. covillei
Lowell Ahart
1993-7-23
7109
Butte
about 6 air mi ne of Feather Falls (about 1/8 mi s of the campgrounds on the large gravel bar along Fall River); s of Fall River
1036
Comment
JEPS118083
Juncus effusus subsp. effusus
Lowell Ahart
2011-8-19
17636
Butte
About 30 yards east of Know-northing Creek, in low area on the north side of Lumpkin Ridge Road, about 1/2 mile southwest of the intersection of Lumpkin Ridge Road, County Road and road to Cascade, about 5 miles (air) northeast of Feather Falls
1225
Comment
SBBG128059
Juncus effusus subsp. effusus
L. Ahart
2011-8-19
17636
Butte
ca. 30 yards E of Know-nothing Crk, in low area on the N side of Lumpkin Ridge Rd, ca. 0.5 mi SW of the intersection of Lumpkin Ridge Rd, County Rd and rd to Cascade, ca. 5 mi NE of Feather Falls
1225
Comment
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
CHSC96319
Juncus ensifolius
L. P. Janeway
2006-8-12
8843
Butte
Northern High Sierra Nevada. Meadow at head of northwestern branch of Keyser Creek, below sharp bend in Concow Road, 0.3 km east of the summit of Bald Mountain.
1695
Comment
JEPS110168
Juncus ensifolius
Lowell Ahart
2006-7-25
13058
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
CHSC32585
Juncus kelloggii
L. Ahart
1980-5-11
2240
Butte
In a pasture field on the w side of the Pentz-Magalia Hwy, ca. 1/2 mi nw of Kunkle Reservoir, ca. 3 mi s of Paradise.
500
Comment
UC1438370
Juncus leiospermus
Lowell Ahart
1978-4-21
1661
Butte
Peter Ahart Ranch Honcut
50
Comment
CHSC113248
Juncus leiospermus var. leiospermus
Lowell Ahart
2014-4-20
19391
Butte
About one mile northwest of the parking area on the west side of Cherokee Road, about 7 miles (air) north of Oroville.
356
Comment
SD241643
Juncus leiospermus var. leiospermus
Lowell Ahart
2003-4-15
10095
Butte
Northwest of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. Vernal pool, about 100 feet west of Hendricks ditch, about 1 3/4 miles northwest of the iron gate and fence.
271
Comment
SEINET3450948
Juncus leiospermus var. leiospermus
Unknown
2003-4-15
10095
Butte
Oroville, Oroville, about 7 miles north, north Table Mountain, about 1.75 miles west of the iron gate and fence west of Cherokee Road, 100 feet west of Hendricks ditch
270
Comment
CAS-BOT-BC110772
Juncus mertensianus
Lowell Ahart
1984-7-19
4755
Butte
About 0.5 mile east of Bald Mountain, about 5 miles northeast of Stirling City.
1750
Comment
UC1564792
Juncus nevadensis
V. Oswald and L. Ahart
1989-6-27
3827
Butte
ca 3.3 mi (air) se Jonesville (Humbug Rd at Butte Creek House, along Butte Creek); Butte Creek
1767
Comment
CHSC78338
Juncus occidentalis
Lowell Ahart
2000-6-29
8535
Butte
On the west side of Concow Road at Flea meadow, about 1/2 mile west of Flea Mountain, about 3 1/2 miles (air) north of Concow Reservoir, about 5 miles (air) east of Magalia.
1036
Comment
CHSC57156
Juncus orthophyllus
L. P. Janeway; C. A. Janeway
1986-8-31
1808
Butte
Along Scotts John Creek at road 26N27, 3 mi from Humboldt Road.
1737
Comment
HSC100818
Juncus orthophyllus
Lowell Ahart
2011-8-19
17634
Butte
On the N edge of a good forest road, W edge of Know-northing Creek, ~150 yd. N of Lumpkin Ridge Rd., 5 (air) mi. NE of Feather Falls.
1225
Comment
CHSC61352
Juncus oxymeris
Lowell Ahart
1993-7-29
7133
Butte
In a large bog, on the north side of the dirt road to Big Kimshew Creek, about 1 1/2 miles southeast of Bald Mountain, northeast of Stirling City.
1493
Comment
JEPS116054
Juncus tenuis
Lowell Ahart
2009-6-18
15914
Butte
West side and bottom of the steep bank, south of the fence, 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
JEPS117673
Juncus tenuis
Lowell Ahart
2010-9-21
17225
Butte
On damp bare disturbed soil, bottom and sides of a small wash, on the south side of a poor dirt road, about 1 mile (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir
1899
Comment
UC1609503
Juncus tenuis
Lowell Ahart
1993-7-23
7099
Butte
ca. 6 (air) mi. n.e. Feather Falls (ca. 100 yds. w. of bridge across Fall River)
1036
Comment
UCR246367
Juncus tenuis
Peter F. Zika
2011-7-7
25541 A
Butte
Northern Sierra Nevada Highlands (n SNH), near parking lot for Big Bald Rock Trailhead, 0.2 air miles E of Big Bald Rock
1050
Comment
SBBG128889
Juncus tenuis
L. Ahart
2008-7-23
15143
Butte
N side of S Fork of Feather River, ca. 10 yards W of where Sucker Crk enters S Fork of Feather River, below the high water line of Lake Oroville, ca. 1/4 mi W of Ponderosa Dam
258
Comment
JEPS113275
Juncus triformis
Lowell Ahart
2007-5-22
13896
Butte
On Big Bald Rock, about 14 miles (air) northeast of Oroville
955
Comment
CHSC109962
Juncus trilocularis
P. F. Zika; B. Wilson, L. Ahart, L. Janeway
2011-8-5
25705
Butte
0.5 air miles NE of Little Bald Rock, NE of and below Bean Creek Road 0.6 road miles from bald Rock road, northern Sierra Nevada Highlands.
1005
Comment
CHSC47572
Juncus uncialis
Lowell Ahart
1974-4-11
364
Butte
In a small vernal pool, Peter Ahart Ranch, about 2 1/4 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC47574
Juncus uncialis
Lowell Ahart
1978-5-1
1695
Butte
On the bottom of a small vernal pool in a farmed field, Peter Ahart Ranch, about 2 1/4 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC109614
Juncus usitatus
Lowell Ahart; Linnea Hanson, Josephine Guardino
2012-5-23
18105
Butte
Along the horse trail, north of Table 25, about 20 yards south of Vallombrosa aveune, southwest of Madrone, Lower Bidwell Park, Chico.
70
Comment
JEPS113760
Juncus usitatus
Lowell Ahart
2007-8-19
14493
Butte
About 2 1/4 miles (air) southeast of Honcut, about 13 miles (air) southeast of Oroville
49
Comment
RSA726657
Juncus usitatus
L. Ahart
2007-7-5
14250
Butte
Evans Reimer Road, about 1 1/4 miles east of Pennington Road, about 4 3/4 miles (air) southwest of Gridley.
23
Comment
SBBG121533
Juncus usitatus
L. Ahart
2007-7-5
14249
Butte
ca. 25 yards W of French Ave, on N side of Evans Reimer Rd, ca. 2 air mi SW of Gridley
24
Comment
UC1133653
Juncus xiphioides
P. L. Johannsen
1936-7-17
949
Butte
3 mi se Butte Mdws.; Lassen National Forest, Paynes Creek Quadrangle
Comment
RSA123366
Juniperus californica
A. E. Wieslander
1933-6-24
330
Butte
8 miles southeast of Chico on Neal Road
122
Comment
SEINET10547832
Keckiella breviflora subsp. glabrisepala
Mary Susan Taylor
1980-5-15
Taylor 2622
Butte
N of Chico along Cohasset Road.
Comment
UC690220
Keckiella breviflora var. glabrisepala
A. A. Heller and H. E. Brown
1902-5-6
5471
Butte
near Clear Creek; Berry Canyon
Comment
CHSC1857
Keckiella corymbosa
M. Underhill
1952-7-18
Butte
Indian Marker for Richardson Springs.
243
Comment
CHSC37067
Keckiella lemmonii
L. Ahart
1982-9-29
3841
Butte
Along Pinkard Creek, ca. 1.5 mi n of Lost Creek Reservoir Dam, ca. 3.5 mi ne of Strawberry Valley.
1200
Comment
UCSB63845
Keckiella lemmonii
Ahart, Lowell
1997-8-1
Butte
on west side of Little Kimshew Creek; about 1/4 mi E of Table Mtn; about 8 mi NE of Stirling City; T24N R5E Section 4
1371
Comment
CHSC69053
Kelloggia galioides
Lowell Ahart
1997-8-1
7802
Butte
On the south side of the County Road, southwest of Keyser Creek, about 1 1/2 miles southeast of Bald Mountain, about 6 miles (air) northeast of Stirling City.
1432
Comment
SD4941
Kelloggia galioides
E. B. Copeland
1930-8-10
477
Butte
Jonesville, partial shade
1550
Comment
SEINET3450721
Kickxia elatine
Unknown
2003-6-25
10316
Butte
Oroville, Oroville, about 12 miles southeast, Peter Ahart Ranch, about 1.5 miles north and 1.67 miles east of Honcut
30
Comment Read comments Oct 9 2018
CHSC103990
Koeleria phleoides
Lowell Ahart
2010-5-14
16637
Butte
Along the east side of the poor dirt road, parking area, about 100 yards north of the entrance to the Disc Golf Area, west side of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
394
Comment
CHSC38825
Koeleria phleoides
Vernon Oswald
1983-4-20
349
Butte
Upper Bidwell Park, Chico, ca. 50 ft s of Chico Creek and 2000 ft e of the footbridge at the Golf Course (near the 4th green). Along a pathway.
91
Comment
SEINET10494459
Koelreuteria paniculata
Mary Susan Taylor
1975-6-22
Taylor 790
Butte
California State University, Chico, campus.
61
Comment
CHSC113443
Kyhosia bolanderi
Lowell Ahart
2014-7-13
19647
Butte
Southwest edge of a large wet meadow (some bog), about 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
CAS-BOT-BC274275
Lachnagrostis filiformis
L. P. Janeway
1991-6-7
3991
Butte
Ca 0.8 mi east of Palermo-Honcut Road, ca. 5.1 mi south of Palermo
38
Comment
SEINET10473869
Lactuca saligna
Mary Susan Taylor, Lowell Ahart
1982-10-11
Taylor 5151
Butte
T17N R1E n/ne sec 24. Pennington quad. Graylodge Wildlife Refuge, vicinity of check-in station, sw jct of Pennington & Rutherford Rds, ca. 12 mi sw of Gridley. 70 ft.
21
Comment
JEPS104647
Lagophylla glandulosa
Lowell Ahart
2003-8-3
10465
Butte
On the w side of North Honcut Creek, ca 2 1/2 mi n and 2 2/3 mi e of Honcut, ca 12 mi (air) se of Oroville.
60
Comment
RSA71070
Lagophylla glandulosa
L. S. Rose
1951-6-26
51017
Butte
Feather River Canyon, NE of Oroville
183
Comment
CHSC43853
Lamium amplexicaule
L. P. Janeway
1988-2-21
2589
Butte
Low in cyn of Little Chico Cr ca 2 mi S of Ten Mile House.
243
Comment
CAS-BOT-BC324474
Lasthenia ferrisiae
A. A. Heller
1914-5-13
11394
Butte
Along Butee Creek between Durham and Nelson
53
Comment
CAS-BOT-BC354124
Lasthenia fremontii
H. E. Brown
1897-4-15
153
Butte
Near Clear Creek.
53
Comment
POM30704
Lasthenia fremontii
C. C. Bruce
1897-04
2071
Butte
Oroville road.
Comment
SEINET10475350
Lasthenia fremontii
Mary Susan Taylor
1974-3-26
Taylor 93
Butte
Meadow in vicinity of Stillson Canyon and Old City Dump, ca. 2 mi E of Chico; soil wet rocky clay.
Comment
UCD133699
Lasthenia fremontii
L. Ahart
1978-5-1
1693
Butte
Ahart Ranch, Honcut.
50
Comment
RSA726251
Lasthenia platycarpha
R. R. Halse
2002-3-27
6159
Butte
At the junction of State Highway 99 and Hamilton Nord Cana Highway. ca. 8 miles NW of Chico.
40
Comment
UCR227351
Lasthenia platycarpha
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
CHSC29994
Lathyrus angulatus
L. Ahart
1980-4-28
2111
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC44391
Lathyrus angulatus
Lowell Ahart
1988-5-12
5991
Butte
Open pasture field, about 1/4 mile north-east of the Honcut Cemetery, Joie Osgood Ranch, about 3 1/2 miles east and 1 1/2 miles north of Honcut.
60
Comment
JEPS103577
Lathyrus angulatus
Lowell Ahart
2002-5-7
9621
Butte
High banks of a pond, at the beginning of a SE branch of Schirmer Ravine, ca 50 yards E of the pond on the E side of Cherokee Road, North Table Mountain, ca 4 miles (air) N of Oroville.
228
Comment
CHSC87553
Lathyrus sulphureus
R. D. Fischer
2004-3-28
66
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located along Guardian Trail where it runs below the Disk Golf Course.
335
Comment
SEINET10452338
Lathyrus sulphureus
Lowell Ahart
1983-5-13
Ahart 3989
Butte
Banks of North Honcut Creek, Peter Ahart Ranch, ca. 3 mi ne of Honcut. Foothill Woodland; 50 m.
50
Comment
CHSC31353
Layia fremontii
Roberta A. Boer
1980-4-25
16
Butte
Ca. 1/4 mi n of Humboldt Rd. and 1.5 mi e of the jct of Hwy 32 and Hwy 99, ca. 2.0 mi e of Chico.
131
Comment
CHSC35631
Layia fremontii
R. E. Preston
1982-3-27
212
Butte
SE corner of int Larkin Rd and Oro Dam Blvd, Oroville.
51
Comment
UCSB63596
Layia fremontii
Wilson, Simon
1995-4-11
Butte
Ca. 5 mi. n of Chico, 1 mi. toward Richardson Springs from junction of Cohasset Rd. and Richardson Springs Rd.; Richardson Springs USGS Quadrangle T23N, R1E, NW 1/4 sect. 23
115
Comment
SEINET10466002
Lemna minuta
Mary Susan Taylor
1982-4-28
Taylor 4371
Butte
T17N R1E se/sw sec 14. Pennington quad. Aquatic in slough, ca. 1/2 mi s of HQ on Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley. 65 ft.
20
Comment
CHSC102408
Leontodon taraxacoides subsp. longirostris
Lowell Ahart
2009-6-19
15945
Butte
On dry soil, on the south side of Ten Mile House Road, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
379
Comment
CHSC20877
Lepechinia calycina
Robert A. Schlising
1963-6-7
2613
Butte
3.1 mi s of Cohasset along Cohasset Highway.
Comment
CHSC3354
Lepechinia calycina
Robert L. Smith
1966-5-20
55
Butte
Paradise, 5 miles SW of Postorrice.
Comment
SD29267
Lepechinia calycina
W. I. Follett
1936-5-9
43
Butte
t.6 miles southwest of Forest Ranch.
548
Comment Read comments Jul 27 2012
UC884242
Lepechinia calycina
A. A. Heller
1915-5-28
11906
Butte
near the upper limit of the digger pine in the Sierra foothills
Comment
CAS-BOT-BC88736
Lepidium appelianum
J. D. Jokerst; R. A. Schlising
1982-6-4
4287
Butte
North of Oroville and north of Jarbo Gap along Highway 70 above Feather River Canyon.
Comment
CHSC102419
Lepidium campestre
Lowell Ahart
2009-7-9
16017
Butte
On dry sandy soil, 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
CHSC66665
Lepidium latifolium
Vernon H. Oswald
1996-7-17
8062
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At Dan's Camp, north end of Riparian Sanctuary.
30
Comment
CAS-BOT-BC89873
Lepidium nitidum
A. A. Heller
1914-2-10
11177
Butte
Eight miles north of Oroville, near the western base of Table Mountain.
Comment
CHSC101082
Lepidium nitidum var. nitidum
Lowell Ahart; John Dittes
2009-3-20
15506
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
CHSC65686
Lepidium nitidum var. nitidum
Vernon H. Oswald
1996-3-22
7254
Butte
Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. Sanctuary 1, NE corner of Tract 10.2. On a levee running along the E side of the tract.
33
Comment
CAS-BOT-BC12845
Lepidium pinnatifidum
Lowell Ahart
1982-7-10
3664
Butte
Gray Lodge check in station, about 12 miles southwest of Gridley. Parking area.
35
Comment
CAS-BOT-BC13065
Lepidium virginicum var. menziesii
Lowell Ahart
1987-5-9
5601
Butte
Along Pulga Road, about 2 miles southwest of Bardees Bar along the North Fork of the Feather River.
365
Comment
CHSC69464
Leptochloa dubia
Lowell Ahart
1997-9-6
7894
Butte
On the west side of Highway 70, just north of Rich Gulch Road, about 1 1/2 miles north of the bridge across the West Branch of Lake Oroville.
396
Comment
UC1562350
Leptochloa fascicularis
Vernon H. Oswald and Lowell Ahart
1990-7-31
4413
Butte
Vinton Gulch Lake Oroville (ca 0.7 air mi n, bordering a streamlet on strand of lake below level of the cement ramp)
259
Comment
CAS-BOT-BC226522
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 Read comments Jul 19 2018
POM65119
Leptosiphon androsaceus
A. A. Heller
1902-5-13
5544
Butte
Grade between Clear Creek and Paradise
Comment
CHSC69682
Leptosiphon bolanderi
Vernon Oswald
1986-4-29
1990
Butte
Rim Rd. (Ponderosa Way) 3.6 mi n of Jarbo Gap and Hwy 70.
853
Comment
CHSC109164
Leptosiphon ciliatus
Lowell Ahart
2012-5-12
18039
Butte
On the west side of an old road, Humboldt Trail, about 1/10 mile west of Highway 32, south part of Upper Bidwell Prk, about 7-1/2 miles (air) northeast of Chico.
414
Comment
CHSC44323
Leptosiphon ciliatus
Lowell Ahart
1979-4-22
1833
Butte
On a bank along North Honcut Creek, about 1/2 mile north of Avocado Avenue and on the east side of North Honcut Creek, about 3 miles north-west of Bangor.
91
Comment
CHSC52452
Leptosiphon ciliatus
R. A. Emmrich
1975-4-24
60
Butte
Ca 1/2 mi E of Butte Cr and 1/4 mi SE of Covered Bridge, 6 mi ESE of Chico.
106
Comment
CHSC46222
Leptosiphon filipes
Pauleen Broyles
1987-6-19
1057
Butte
Ca 13 km ne of Oroville. Ca 1.6 km s of Crystal Hill between middle and south forks of Feather River on Lake Oroville.
360
Comment
CHSC30276
Lessingia nemaclada
M. S. Taylor; J. D. Jokerst
1979-10-13
2274
Butte
On w side of Jordan Hill Rd (Ponderosa Way on some maps), ca. 11.1 mi n of its jct with Concow Rd, ca. 1.9 mi n of Sawmill Peak.
853
Comment
CAS-BOT-BC341785
Lessingia nemaclada
John Thomas Howell
1959-9-20
34718
Butte
At Pulga bridge, Feather River Highway
Comment
RSA32899
Lessingia nemaclada
A. A. Heller
1923-10-21
13832
Butte
Paradise
Comment
SEINET10474781
Lessingia nemaclada
Mary Susan Taylor
1978-9-9
Taylor 1918
Butte
Along Bull Run Road, ca. 10-11 mi S of Butte Meadows in northern portion of the county; Yellow Pine Forest.
1463
Comment
CHSC28474
Lewisia cantelovii
R. A. Schlising; D. Ikeda
1979-9-29
3492
Butte
.4 mi NE of Arch Rock Tunnel alongside Hwy 70 and ... Field redacted by CHSC, contact the data manager for more information
Comment
CHSC11356
Lewisia rediviva
Lowell Ahart
1971-4-10
Butte
Table Mountain, Oroville.
457
Comment
HSC38354
Lewisia rediviva
J. P. Smith
1974-4-20
Butte
305
Comment
CHSC71627
Ligusticum californicum
Vernon H. Oswald; Lowell Ahart
1998-8-11
9472
Butte
Four Trees-Coyote Gap Rd. 0.1 mi west of Four Trees.
1578
Comment
CHSC102411
Lilium humboldtii subsp. humboldtii
Lowell Ahart
2009-6-30
15970
Butte
On dry soil, around boulders, on the east bank of ... Field redacted by CHSC, contact the data manager for more information
234
Comment
CHSC43044
Lilium pardalinum subsp. pardalinum
L. P. Janeway
1987-6-19
2241
Butte
Side ravine south from Sly Cr, 1.6 mi from the Challenge-La Porte Rd along the rd to the SE side of Sly Cr Reservoir.
1097
Comment
CHSC46224
Lilium pardalinum subsp. pardalinum
Pauleen Broyles
1987-6-26
1060
Butte
Ca. 2.0 km s of Inskip on W. side of Skyway.
1400
Comment
CAS-BOT-BC508459
Lilium parvum
E. B. Copeland
1930-7-18
614
Butte
Jonesville
1500
Comment
POM182757
Lilium parvum
Kate Conger
1907-1
s.n.
Butte
Brush Creek
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-BC110607
Limnanthes
John Thomas Howell
1976-4-1
51529
Butte
Sierra Nevada. Table Mountain, 4 to 5 miles north of Oroville.
304
Comment
UCD116443
Limnanthes
H. A. Hannesson; R. N. Raynor
1941-5-9
s.n.
Butte
4 miles west of Oroville.
Comment
CHSC76945
Limnanthes alba
Margie Collins
1894-5-1
Butte
Chico.
Comment
CHSC118035
Limnanthes alba subsp. alba
Daphne K. Christopher; Hannah Stevens, Lowell Ahart
2003-4-21
225
Butte
Off Hwy 99. Ahart Family Ranch along boundary on access road and edge of field
41
Comment
CHSC48596
Limnanthes alba subsp. alba
Vernon Oswald
1988-5-17
3311
Butte
Forbestown Rd. 2.2 mi e of Oroville-Quincy Hwy (Hwy 162). Along the edge of the road.
426
Comment
JEPS104300
Limnanthes alba subsp. versicolor
Lowell Ahart
2003-4-15
10097
Butte
Slopes of Beatson Hollow, sw of drainage entering Beatson Hollow, ca 1 1/4 mi nw of the iron gate and fence, nw of Cherokee Rd, North Table Mountain, ca 7 mi (air) n of Oroville.
284
Comment
CHSC67541
Limnanthes douglasii subsp. rosea
James D. Jokerst; M. S. Taylor
1980-3-20
486
Butte
50 m NW of junction of Bruce Rd. and Skyway, SE side Chico.
Comment
RSA33078
Limnanthes douglasii subsp. rosea
A. A. Heller
1938-4-14
s.n.
Butte
Flat, treeless summit of Table Mountain north of Oroville. Upper Sonoran Life Zone.
305
Comment
UC726867
Limnanthes douglasii subsp. rosea
A. A. Heller
1916-3-8
12279
Butte
8 mi n Oroville (below blue oak belt)
Comment
CHSC102870
Limnanthes floccosa subsp. californica
Elena Gregg
2010-3-24
Butte
Northern Sacramento Valley. Vernal pool swale complex on a ridge of basalt on the east side of the Potter Road bike path and north of Humbug Road. The vernal pool/swale complex flows into a drainage that continues west into the Little Chico Creek Overflow Channel.
135
Comment
HSC85944
Limnanthes floccosa subsp. californica
J. Hunter
1986-3-30
39
Butte
1 km E Chico, 50 m S Hwy. 32
75
Comment
JEPS107699
Limnophila X ludoviciana
Lowell Ahart
2005-9-13
12368
Butte
On the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Road
Comment
CHSC103693
Limosella aquatica
Lowell Ahart
2010-5-14
16657
Butte
In the tracks of an old road, 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
CHSC82232
Limosella aquatica
Lowell Ahart
2002-4-14
9483
Butte
Area between the Railroad and the Midway Road, 50 yards south of Nelson Dlavo Road, in Nelson.
36
Comment
CDA6352
Linaria genistifolia subsp. dalmatica
L. Ahart
2005-11-12
12484
Butte
On the south side of Dark Canyon Creek, about 50 yards south of the train tunnels, west of Dark Canyon Road, about 2 1/2 miles (air) south of Highway 70 at Big Bend Road.
Comment
CHSC112742
Lindernia dubia var. anagallidea
Lowell Ahart
2013-11-13
19237
Butte
Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam.
244
Comment
CHSC94583
Lindernia dubia var. anagallidea
Lowell Ahart
2006-9-11
13292
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
SD2733
Linum lewisii
E. B. Copeland
1929-7-17
Butte
Above Jonesville
2000
Comment
CHSC45133
Lipocarpha aristulata
Vernon Oswald
1987-9-7
3231
Butte
Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River.
45
Comment
SEINET12216579
Lithophragma heterophyllum
S. T. Heaston
1982-1
4
Butte
ca 1 mi NE of Chico Golf Course Bridge, along N side of Big Chico Creek
122
Comment
CHSC12180
Lithophragma parviflorum var. parviflorum
Lowell Ahart
1969-4-8
Butte
Table Mountain, Oroville.
396
Comment
CHSC87426
Lithophragma parviflorum var. parviflorum
R. D. Fischer
2004-3-20
116
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Along Guardian Trail, south of Pine Trail. UTM: 10609476E 4405711N.
384
Comment
CHSC33582
Lithospermum californicum
M. S. Taylor
1981-4-27
3556
Butte
Ridge between 21N33 and 21N80, ca. 1 mi sw of Bald Rock Rd, ca. 0.5 mi n of Zink Rd, ca. 2 mi sw of Brush Creek.
1005
Comment
CDA43081
Lobularia maritima
L. P. Janeway
2011-10-2
10779
Butte
Sacramento Valley.; South end of Chico; along west side of Hwy 99 0.6 km south of Skyway/East Park Ave and 0.3 km south of Comanche Creek.
Comment
CAS-BOT-BC342142
Logfia filaginoides
A. A. Heller
1914-6-2
11148
Butte
8 miles north of Oroville
Comment
CHSC38349
Logfia filaginoides
Vernon Oswald
1983-4-18
336
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1.2 mi e of the power lines. Base of ridge along rim of a volcanic cap.
353
Comment
CAS-BOT-BC342384
Logfia gallica
John Thomas Howell
1962-6-16
37560
Butte
Magalia
731
Comment
CAS-BOT-BC269075
Lolium perenne
John Thomas Howell; Gordon H. True
1967-6-11
42557
Butte
On northwest side of Feather River Canyon near Pulga Bridge
Comment
SEINET10592064
Lolium temulentum
A. Arthur Heller
1914-6-2
Heller 11475
Butte
Hills 8 miles north of Oroville.
Comment
CHSC32603
Lomatium caruifolium var. denticulatum
Don Kroessig
1979-4-15
1
Butte
SE of Chico at the intersection of the Skyway and Bruce Road.
76
Comment
UC726872
Lomatium caruifolium var. denticulatum
A. A. Heller
1938-4-23
15056
Butte
1/4 mi. e. Jarboe Pass (on State Hwy. #24)
Comment
UCD150870
Lomatium caruifolium var. denticulatum
W. R. Powell
1968-4-22
1464
Butte
3 miles north of Honcut.
32
Comment
RSA713002
Lomatium marginatum
L. 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 north of Oroville
384
Comment
SEINET10454537
Lomatium utriculatum
Mary Susan Taylor
1979-6-12
Taylor 2302
Butte
Magalia serpentine area down to Feather River. With J.D. Jokerst & L. Ahart.
671
Comment
UC600683
Lonicera conjugialis
H. F. Copeland
1920-7-29
460
Butte
Jonesville woods Jonesville
Comment
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
JEPS103289
Lonicera hispidula var. vacillans
Lowell Ahart
2002-9-8
9932
Butte
On the west side of the paved road, about 1/4 mile south of the first parking spaces at the Feather Falls Trailhead, about 1 3/4 miles north by road from the town of Feather Falls.
854
Comment
RSA725050
Lonicera hispidula var. vacillans
L. P. Janeway
2007-6-11
9039
Butte
Northern High Sierra Nevada. Plumas National Forest; along Road 20N67, 0.6 km NW of Lumpkin Road, 2.3 km W of Feather Falls town site.
777
Comment
CAS-BOT-BC240689
Lonicera interrupta
Lewis S. Rose
1945-5-12
45034
Butte
Richardson Springs
304
Comment
CHSC101834
Lonicera interrupta
Lowell Ahart
2009-5-23
15756
Butte
Upper Bidwell Park, about 10 miles northeast of Chico, about 1/4 mile west of the interection of Highway 32 and Ten Mile House Road, on west side of Ten Mile House Road, north of Guardians Trail.
381
Comment
CHSC42131
Lonicera involucrata var. involucrata
Lowell Ahart
1977-5-18
1370
Butte
Along the South Fork of the Feather River, near Golden Trout Crossing.
640
Comment
CHSC109073
Lonicera japonica
Lowell Ahart; Linnea Hanson, Kaline Le Coq, Josephine Guardino
2012-4-27
17914
Butte
On the north side of the path, near Table 17, on the north side of Centennial Avenue, Lower Bidwell Park, Chico.
80
Comment
CHSC115434
Lonicera japonica
Ariana Gehrig
2013-5-9
Butte
City of Chico. Near campus.
64
Comment
POM27894
Lotus wrangelianus
C. C. Bruce
1897-04
2089
Butte
Chico
Comment
UCD65937
Ludwigia hexapetala
Robert McKee; Greg Woods
2006-8-1
06- 29 -LU
Butte
Oroville Wildlife Area, immediately east of Feather River, south of Thermolito and Oroville.
9
Comment
CHSC102987
Ludwigia palustris
Lowell Ahart
2009-8-13
16275
Butte
In the channel about 100 yards east of the diversion structure that controls Mud Creek diversion and Lindo Channel, northeast of Hooker Oak, Upper Bidwell Park, Chico.
68
Comment
UC204453
Ludwigia palustris
A. A. Heller
1914-8-13
11683
Butte
hills 8 mi. n. Oroville
Comment
UCR192812
Lupinus
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
CHSC46099
Lupinus albicaulis
J. D. Jokerst; R. A. Schlising
1983-5-24
1773
Butte
Common on the edges and cut banks of Highway 162 east of Oroville. At the junction of Simmon's Rd 0.9 miles north of the Bidwell Bar Ridge.
Comment
CHSC115452
Lupinus albifrons
M. Sutton; C. Yasuda, S. Luse
2013-4-9
23
Butte
Centerville Flumes.
350
Comment
SEINET10452619
Lupinus albifrons
Mary Susan Taylor
1976-4-27
Taylor 1098
Butte
Abundant in Yellow Pine Forest, on N or S side of Ponderosa Way, ca. 1-4 mi E of junction of Villas Rd and Cohasset Hwy, ca. 23 mi NE of Chico.
610
Comment
CHSC899
Lupinus albifrons var. albifrons
L. Nelson
1935-5-7
Butte
Honey Run road.
243
Comment
CAS-BOT-BC196249
Lupinus albifrons var. eminens
A. A. Heller
1914-4-29
s.n.
Butte
12 miles north of Chico
Comment
CHSC91265
Lupinus apertus
L. P. Janeway
2005-5-29
8405
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
UCD107191
Lupinus bicolor
A. A. Heller
1914-2-2
11166
Butte
Canon hf Big Chico creek 6 miles east of Chico.
Comment
SEINET10940039
Lupinus bicolor subsp. pipersmithii
Lowell Ahart
1985-4-1
Ahart 4873
Butte
Along Table Mountain Boulevard, near the Cambell Overflow, a little south of the inter- section of Highway 70 and 149, about 7 miles north of Oroville.
Comment
JEPS107276
Lupinus bicolor var. pipersmithii
Lowell Ahart
2005-4-18
11733
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
CHSC26255
Lupinus bicolor var. tridentatus
John Steiner
1977-4-23
58
Butte
Growing adjacent to s bank of Chico Creek at e end of Chico Canyon Rd.
65
Comment
CAS-BOT-BC8537
Lupinus caeruleus
Amos Arthur Heller
1940-4-28
15561
Butte
Between the Radio Station and Hooker Oak, east of Chico
Comment
SEINET10452072
Lupinus densiflorus
Lowell Ahart
1985-5-6
Ahart 4932
Butte
Along Table Mountain Boulevard, south of the Cambell Overflow, 1/2 mile south of the inter- section of Highway 70 and 149, about 7 miles north of Oroville.
Comment
SEINET10450558
Lupinus formosus
Lowell Ahart
1984-6-8
Ahart 4682
Butte
Along the edge of the dirt road that goes to Lumpkin Ridge Rd, ca. 6 mi NE of Ponderosa Dam, ca. 4 mi SE of Feather Falls; Yellow Pine Forest; 550 m.
550
Comment
UC727109
Lupinus formosus var. robustus
A. A. Heller
1940-4-28
15561
Butte
e Chico (along roadside between the radio station and Hooker Oak); ; between radio station & Hooker Oak, E of Chico, Butte Co.
Comment
CDA27454
Lupinus latifolius var. columbianus
Vernon H. Oswald & Lowell Ahart
1998-8-11
9471
Butte
Four Trees-Coyote Gap Road 0.4 mile west of Four Trees.
Comment
CHSC90510
Lupinus microcarpus var. densiflorus
Doug Burcombe
1988-4-13
15
Butte
10 m N of old Gianelli bridge and 95 m E of Sacramento River. 9 mi W of Chico. N side of Hwy. 32.
70
Comment
CDA13344
Lupinus nanus
G. F. Hrusa, T. D. Wilfred
1996-7-9
13192
Butte
Sierra Nevada; along Hwy 162. Near entrance to Rogers Cow Camp.
Comment
CHSC34684
Lupinus nanus
M. S. Taylor
1981-5-5
3601
Butte
E side of Lumpkin-LaPorte Rd, 1 mi n of Enterprise bridge over south fork Feather River, ca. 10 air mi e of Oroville.
457
Comment
CHSC34691
Lupinus nanus
M. S. Taylor
1981-5-14
3717
Butte
N side of 23N00.2, 2.5 mi sw of Merrimac on Oroville-Quincy Hwy.
975
Comment
CHSC90365
Lupinus nanus
Thomas E. Lewis
1978-3-29
7
Butte
Ca. 200 m ne of Salmon Hole, ca. 5.5 km from the start of Upper Bidwell Park Rd, Chico.
230
Comment
UCR237310
Lupinus nanus
George K. Helmkamp, E. A. Helmkamp
2012-4-14
18762
Butte
Northwestern Sacramento Valley, entrance to Oroville Wildlife Area, 0.2 mile west of CA-70, near the Feather River
46
Comment
UCD108993
Lupinus nanus
A. A. Heller
1914-4-21
11311
Butte
Chico.
Comment
CHSC3227
Lupinus nanus var. apricus
Virignia Hagaman
1966-3-28
218
Butte
On top of Table Mountain.
Comment
CHSC48535
Lupinus nanus var. apricus
Vernon Oswald
1983-3-31
245
Butte
Upper Bidwell Park, Chico, beside Yahi Trail between Day Camp and Bear Hole.
103
Comment
CHSC103685
Lupinus pachylobus
Lowell Ahart
2010-4-30
16593
Butte
Below rim and above cliffs, north side of disk golf area, on a ridge about 250 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
360
Comment
CHSC32763
Lupinus pachylobus
J. D. Jokerst
1981-3-29
1280
Butte
Top of North Table Mountain, ca. 1.0 mi N of Cherokee Rd.
373
Comment
CHSC61212
Lupinus pachylobus
Vernon H. Oswald; Lowell Ahart
1993-3-24
5243
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.
262
Comment
CHSC24769
Lupinus polycarpus
P. J. Welch
1976-4-11
3
Butte
Ca. 10 yds w of Mud Creek and ca. 65 yds s of Nord Hwy. overcrossing. 3.0 mi nw of Chico.
60
Comment
CHSC42529
Lupinus polycarpus
Lowell Ahart
1987-5-6
5523
Butte
Along the road, near the Poe Power House on the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap.
277
Comment
POM118225
Lupinus sellulus var. lobbii
H. M. Hall
1912-7-24
320
Butte
Middle Fork of Feather River.
1280
Comment
CHSC936
Lupinus stiversii
E. Walker
1932-4-28
Butte
Pulga on Feather River.
365
Comment
CHSC52711
Luzula cascadensis
L. P. Janeway
1988-7-29
3104
Butte
Butte Creek at Butte Meadows, at crossing of Bull Hill Road (Skyway). North-facing bank above the creek.
1325
Comment
POM196063
Luzula comosa
H. F. Copeland
1929-6-11
1244
Butte
Jonesville.
1524
Comment
SEINET10472473
Luzula comosa
Mary Susan Taylor
1981-4-8
Taylor 3514
Butte
T22N R4E east center sec 1, Pulga SW quad. On serpentine slope, w side of Ponderosa Way, where powerlines cross the rd on Rocky Ridge, ca. 6 mi n of Jarbo Gap on Hwy 70, ca. 21 air mi n of Oroville. 3000 ft.
914
Comment
JEPS121938
Luzula comosa var. comosa
Lowell Ahart
2014-7-7
19598
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
CHSC38926
Luzula macrantha
Vernon Oswald
1983-4-6
293
Butte
Upper Bidwell Park, Chico, on Yahi Trail between Brown's Hole and the e end of the park. In a steamlet at the bottom of a slope bordering Chico Creek.
198
Comment
CHSC76150
Luzula macrantha
G. F. Hrusa
1997-4-30
13696
Butte
Sierra Nevada. Serpentine outcrop on Old Railroad Grade Rd. immed. above Paradise Lake dam, approx. 3 mi. N of Magalia.
760
Comment Read comments Jun 21 2007
CHSC61354
Luzula parviflora
Lowell Ahart
1993-7-23
7108
Butte
On the sides of a small stream, south of Fall River, about 1/8 mile south of the campgrounds on the large gravel bar along Fall River, about 6 (air) miles north-east of Feather Falls.
1036
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
UC1586530
Lycopus americanus
Lowell Ahart
1991-9-14
6717
Butte
ca. 2 mi. e. Honcut (between 2 large reservoirs, Joie Osgood Ranch); Joie Osgood Ranch
45
Comment
CHSC28472
Lythrum hyssopifolia
R. A. Schlising
1979-5-30
3428
Butte
Richvale vernal pools. 1/4 mile S of jct Hwy 162-to-Oroville and Hwy 99, along latter and across from Thermalito Afterbay.
Comment
JEPS120840
Lythrum hyssopifolia
Lowell Ahart
2013-7-9
18833
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
RSA0015861
Lythrum hyssopifolia
L. S. Rose
1967-6-11
67102
Butte
Oroville.
52
Comment
SEINET10452839
Lythrum hyssopifolia
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4132
Butte
T20N R5E sw sec 10. Along Ponderosa Way (Big Ridge Rd), ca. 0.5 mi w of the East Fork Canyon Creek, ca. 14 mi ne of Oroville. Foothill Woodland; 500 m.
500
Comment
CDA18958
Lythrum salicaria
R. Hill, Lee Pejas
2000-6-16
PDR 1170812
Butte
on Hwy 99 at Dry Creek crossing.
0
Comment
CHSC97205
Lythrum salicaria
Lowell Ahart
2007-7-27
14392
Butte
On the south strand of Thermalito Afterbay, about 200 yards north of Highway 162, about 5 miles west of the intersection of Highway 162 and Highway 70, about 5 1/2 miles (air) west of Oroville.
36
Comment
CDA5126
Lythrum salicaria
G. D. Barbe
1982-8-11
3893
Butte
At the northeast corner of State Wildlife Area, west of Pacific Heights Road, 1/4 mile west of end of Welsh Road, ca 2 miles south of Oroville.
0
Comment
CHSC112696
Lythrum tribracteatum
Lowell Ahart
2013-6-18
18809
Butte
Edge of a pond, about 30 yards north of Lower Honcut Road, about 1 3/4 miles west of Honcut.
26
Comment
POM193088
Madia bolanderi
E. B. Copeland
1930-8-4
496
Butte
Jonesville
1500
Comment
JEPS87530
Madia elegans
Lowell Ahart
1993-6-20
6998
Butte
about 1 air mi nw Lost Creek Reservoir Dam; Mooreville Ridge, Jackass Flat
1158
Comment
CHSC60955
Madia elegans subsp. elegans
Lowell Ahart
1993-6-20
6998
Butte
Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west pf the Lost Creek Reservoir Dam.
1158
Comment
CAS-BOT-BC344321
Madia exigua
John Thomas Howell
1962-6-15
37487
Butte
Magalia
731
Comment
CHSC109573
Madia exigua
L. P. Janeway
2012-6-7
10861
Butte
Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way.
895
Comment
CHSC99309
Madia exigua
Lowell Ahart
2008-5-21
14769
Butte
Below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, about 150 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam.
246
Comment
POM362160
Madia exigua
L. S. Rose
1937-6-10
37359
Butte
Hurleton
579
Comment
CHSC48179
Madia gracilis
Vernon Oswald
1985-5-28
1787
Butte
Oroville-Quincy Hwy at the first pull-out on the e side of the road 0.8 mi n of Bidwell Bar Bridge.
320
Comment
CHSC50101
Malacothrix floccifera
Vernon Oswald
1990-4-24
4169
Butte
Lime Saddle Recreation Area on th West Branch of Lake Oroville, ca. 0.2 mi northeast of Nelson Bar Launch, ca. 0.2 mi east of Lime Saddle Powerhouse.
292
Comment
CHSC87889
Malacothrix floccifera
Lowell Ahart
2004-6-22
11113
Butte
Road cut, on the north side of Doe Mill Road, about 1/12 mile southwest of the bridge across Butte Creek, about 2 miles (air) southeast of Forest Ranch, about 5 miles (air) west of Stirling City.
692
Comment
CDA14064
Malus sylvestris
G. F. Hrusa, T. D. Wilfred
1997-5-1
13711
Butte
Sierra Nevada; NE side of upper end of Paradise Lake. Where last tributaries from E enter.
Comment
JEPS119994
Malva parviflora
Lowell Ahart, Linnea Hanson, Kaline Le Coq, Josephine Guardino
2012-4-27
17915
Butte
Near table 17, on the north side of Centennial Avenue, Lower Bidwell Park, Chico.
Comment
JEPS88407
Malvella leprosa
Vernon H. Oswald and Lowell Ahart
1996-7-22
8094
Butte
U.S. Fish & Wildlife Service parcel between 7 Mile Lane & Sacramento R. (n.e. c); Sacamento R. Nat'l Wildlife Refuge, Llano Seco Unit
33
Comment
CHSC44978
Marah fabacea
J. Witzman
1987-3-7
6
Butte
Along Butte Creek nr Humbug Rd. ca 3 mi n of jct with Skyway, se of Chico.
97
Comment
CHSC28647
Marah watsonii
M. S. Taylor
1979-3-20
1960
Butte
Along old road on n side of Feather River. Ca. 1/4 mi n of Hwy 70, ca. 10 mi n of Oroville.
304
Comment
RSA441249
Marah watsonii
K. M. Stocking
28
Butte
0.9 mile down from Paradise on short cut to Chico. [W of Paradise]
457
Comment
CHSC42275
Marrubium vulgare
L. P. Janeway; C. A. Janeway
1987-4-20
2009
Butte
North side of hwy 32 at Ten Mile House Trail, ca 9 mi ne of the hwy 99 jct.
471
Comment
CHSC60988
Marrubium vulgare
Lowell Ahart
1993-6-20
6976
Butte
At Camp 18.
1158
Comment
JEPS115503
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
SEINET10498135
Marrubium vulgare
Mary Susan Taylor
1975-2-16
Taylor 386
Butte
Ca. 2 mi S of Kunkle Reservoir, ca. 4 mi S of Paradise, on W side of Pentz-Magalia Hwy. Foothill Woodland.
427
Comment
CAS-BOT-BC67811
Marsilea vestita
Lowell Ahart
1983-7-10
4191
Butte
About 1/2 mile north-east of teh intersection of Highway 99 and Pentz Road, about 13 miles north of Oroville.
65
Comment
CHSC21052
Marsilea vestita
M. S. Taylor
1975-10-4
958
Butte
On e edge of Kunkle Reservoir, ca. 500 yds e of Pentz-Magalia Hwy, ca. 1 mi s of Paradise.
Comment
SEINET13709914
Marsilea vestita
Lowell William Ahart, Lowell William Ahart
2002-1
9659
Butte
Gray Lodge State Wildlife Management Area, 4 Mi. SW of Gridley, Edge of Drying Pond (T17N, R2E, sec 17, SE 1/4), 74 Ft.
Comment
CHSC96248
Medicago arabica
R. Fischer
2006-4-25
1001
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east -side addition along Hwy. 32. Plants growing at the southern end of reserve on the west facing hillside in small openings adjacent seasonal springs.
304
Comment
CHSC98803
Medicago lupulina
L. P. Janeway
2008-5-19
9365
Butte
Sacramento Valley. East side Chico; east side of Hwy 99 between 8th and 9th Streets, in the western part of the CalTrans Park and Ride area. In a wet area of open compact ground with various ornamental plantings between asphalt parking areas.
66
Comment
CHSC113206
Medicago polymorpha
Lowell Ahart
2014-4-25
19406
Butte
Sides of a cleaned ditch, on the west side of Richvale South Highway, south of the intersection of Richvale South Road and Richvale South Highway, Richvale.
30
Comment
CHSC46104
Medicago polymorpha
J. D. Jokerst; L. Ahart, M. S. Taylor
1982-4-29
1542
Butte
Grey Lodge Waterfoul Management Area along Rutheford Rd. where it turns 90 degrees to the north.
Comment
CHSC945
Medicago polymorpha
A. Koopman
1929-3-5
Butte
CSC Campus.
57
Comment
CHSC99634
Medicago polymorpha
H. Koeth
2007-4-26
Butte
20th and Salem Street, Chico. UTM 10 600693E 4396754N.
57
Comment
CDA4218
Medicago polymorpha
T. C. Fuller
1962-5-17
8703
Butte
Highway 99E at Cana Highway, ca. 10 miles northwest of Chico.
0
Comment
CHSC44500
Medicago praecox
Lowell Ahart
1988-5-8
5983
Butte
Near North Honcut Creek, Peter Ahart Ranch, about 1 1/4 miles north and 3 miles east of Honcut about 12 miles south-east of Oroville.
60
Comment
CHSC74167
Melica aristata
B. Castro; L. Gehrung
1998-8-19
823
Butte
Ca 4.5 air mi NNE of Brush Creek, ca 1 mi SE of Rogers Cow Camp, 100-300 ft W of Oro-Quincy Hwy on top and upper sides of ridge E of Get-Up-and-Get Creek.
1213
Comment
JEPS110273
Melica aristata
Lowell Ahart
2006-6-9
12648
Butte
Cutbank, on the west side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga
403
Comment
JEPS113256
Melica californica
Lowell Ahart
2007-5-29
13924
Butte
About 1/8 mile south of Bald Rock Dome, on the west side of the Dome Trail, trail leads to the Middle Fork of the Feather River, about 1 1/4 miles by the trail from the trail head which is 3/10 mile east of Bean Creek Road, about 2 1/2 miles (air) northea
598
Comment
UCD87014
Melica californica
A. A. Heller
1915-4-20
11860
Butte
Butte County. 7 miles below Centerville in the Sierra foothills, where it is locally plentiful on the banks of Butte Creek.
76
Comment
CHSC51952
Melica californica var. nevadensis
T. B. Devine
1980-4-28
722
Butte
On Cherokee Rd ca 1.5 mi S of jct of Hwy 70, ca 1/2 mi S of Cherokee.
Comment
CAS-BOT-BC281300
Melica harfordii
Lowell Ahart
1983-7-24
4216
Butte
On the road cutbank at the Forbestown Res., ca 5 miles NE of Forbestown
450
Comment
CDA13298
Melica harfordii
G. F. Hrusa, T. D. Wilfred
1996-7-9
13146
Butte
Plumas National Forest; Common colonies on dry, shaded slopes in coniferous understory above Jordan Creek S of Hwy 162 near Roger's Cow Camp. Perennial.
Comment
CHSC88257
Melica harfordii
Lowell Ahart
2004-7-11
11229
Butte
On the north side of the road, on the northeast side of Paradise Lake, about 1/4 mile southeast of Mosquito Creek, about 4 miles (air) southwest of Stirling City.
814
Comment
RSA718332
Melica harfordii
L. Ahart
2006-6-9
12648
Butte
On the west side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga.
404
Comment
CAS-BOT-BC262457
Melica subulata
E. B. Copeland
1929-7-16
s.n.
Butte
Jonesville
1550
Comment
CHSC74047
Melica subulata
L. Hanson
1996-5-15
Butte
Ca 3 air mi N of town of Brush Creek, along edges of Peavine Creek.
627
Comment
CHSC97780
Melissa officinalis
L. P. Janeway
2007-8-12
9157
Butte
Northern High Sierra Nevada. Along old Berry Creek Road 2.0 road km north of Oroville-Quincy Hwy; 1.4 air km south of the mouth of Berry Creek at North Fork Feather River (Lake Oroville).
384
Comment
JEPS119619
Melissa officinalis
Lowell Ahart
2012-6-21
18219
Butte
About 20 yards west of the Freeway, Lower Bidwell Park, Chico.
Comment
UCD125040
Mentha canadensis
L. E. Hazeltine
1916-7-25
s.n.
Butte
Chico.
Comment
CHSC109668
Mentha spicata
Lowell Ahart
2012-6-28
18239
Butte
On the north side of Big Chico Creek, east of Sycamore Pool, Lower Bidwell Park, Chico.
61
Comment
CHSC58925
Mentha spicata
Lowell Ahart
1992-7-23
6831
Butte
On the bottom of Oregon Gulch, north of the Thermalito Diversion Pool, Lake Oroville Recreation Area, about 1 1/4 miles north-west of Oroville Dam.
91
Comment
CHSC92047
Mentha spicata
Lowell Ahart
2005-8-19
12334
Butte
On the east side of North Honcut Creek, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
49
Comment
CAS-BOT-BC428762
Micranthes californica
A. A. Heller
1919-3-25
13098
Butte
Canon [Canyon] of Chico Creek
Comment
CAS-BOT-BC428768
Micranthes californica
Robert R. Kehlor
1951-4-14
31
Butte
J. M. Kehlor ranch, 6 1/4 miles east of Oroville, on Mt. Ida road
Comment
CHSC12189
Micranthes integrifolia
Lowell Ahart
1973-3-7
Butte
Peter Ahart Ranch, Honcut.
45
Comment
UCD73010
Micropus californicus
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
POM57380
Micropus californicus
E. B. Copeland
1903-5-2
s.n.
Butte
Chico
Comment
CHSC33350
Micropus californicus var. californicus
R. M. Winchell
1980-4-17
3
Butte
Covered Bridge along Little Butte Creek.
Comment
UC1070012
Micropus californicus var. californicus
C. G. Albertus
1933-7-6
25
Butte
1/4 mi w Pentz; Chico Quadrangle
Comment
CAS-BOT-BC348699
Microseris acuminata
Lowell Ahart
1979-5-11
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
SEINET3450909
Microseris acuminata
Unknown
2003-4-8
10037
Butte
Oroville, Oroville, about 7 air miles north, North Table Mountain, about 0.5 miles west of the iron gate and fence, northwest of Cherokee Road, about 200 yards north of the falls on Coon Hollow
320
Comment
UC886107
Mimulus bicolor
A. A. Heller
1915-5-28
11905
Butte
near Cohasset; Sierra Foothills
Comment
CHSC118882
Mimulus glaucescens
Christopher T. Ivey
2017-5-27
391
Butte
Honeyrun Road, about 6 km NE of bridge crossing Butte Creek, roadside ditch on S side or road.
424
Comment
JEPS5550
Mimulus glaucescens
R. F. Hoover
1936-5-21
1158
Butte
3 mi n Chico
Comment
UCD122662
Mimulus guttatus
L. E. Hazeltine
1916-7-16
s.n.
Butte
Appleton.
Comment
POM181673
Mimulus kelloggii
Williams
1927-4-2
s.n.
Butte
Near Richardson's Springs.
Comment
SEINET10570234
Mimulus kelloggii
Mary Susan Taylor, Vernon H. Oswald
1984-4-4
Taylor 5390
Butte
T23N R3E sec 28? S side of Humbug Rd, ca. 3.5 mi SW of Nimshew, ca. 10 air mi NE of Chico. Foothill Woodland.
Comment
UCD122734
Mimulus kelloggii
M. Vincent
1961-3-26
20
Butte
Near Feather River bridge, Nelson Bar Road, two miles east of Spence Road.
457
Comment
POM264937
Mimulus layneae
Lincoln Constance
1941-5-28
2828
Butte
South Branch of the Feather River at Magalia, Sierra Nevada foothills.
488
Comment
CHSC44808
Mimulus moschatus
R. Banchero
1980-6-6
201
Butte
Along Bald Rock Rd 1.7 mi S of the N jct with Hwy 162, 7.6 mi NE of the S jct with Hwy 162, ca 1/4 mi E of the Rd.
963
Comment
SEINET10896222
Mimulus pilosus
Mary Susan Taylor
1975-10-3
Taylor 938
Butte
Ca. 1/4 mile N of the Washout, between River Road and the Sacramento River, ca. 10 mi W of Chico. Riparian Woodland and sloughs, wet and humid.
37
Comment
SEINET10929276
Mimulus pilosus
Lowell Ahart
1984-8-19
Ahart 4780
Butte
West of Pacific Heights Road, about 5 miles south-west of Oroville.
Comment
SEINET10570288
Mimulus tricolor
Lowell Ahart
1983-6-6
Ahart 4029
Butte
Peter Ahart Ranch, ca. 2.5 mi ne of Honcut. Valley Grassland; 50 m.
50
Comment
CHSC4074
Minuartia californica
H. E. Lindahl
1967-3-25
15
Butte
Ca 40 ft. s of intersection of Durham-Oroville highway and Chico-Oroville highway.
60
Comment
JEPS97433
Minuartia californica
Lowell Ahart
1995-5-30
7588
Butte
7 mi N of Oroville (North Table Mountain, edge of the dirt road, about 1/10 mi SE of the reservoir, N of Beatson Hollow, 2 mi NW of Cherokee Road)
304
Comment
UCD73013
Minuartia californica
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
UCD80209
Minuartia californica
CNPS SN Foothill Team
2005-5-4
SNFN 0200 b
Butte
City of Chico, Bidwell Ranch, about 1.33 miles NW of the end of Wildwood road.
88
Comment
SEINET8391884
Minuartia douglasii
Unknown
1989-4-18
3370
Butte
above Lunt Rd., 0.4 mi. n. of Hwy. #70.
Comment
CHSC66289
Moehringia macrophylla
Lowell Ahart
1996-6-5
7682
Butte
On the east side of the river, about 1/10 mile north of the bridge across the South Fork of the Feather River, about 1 mile north of Golden Trout Crossing, about 7 air miles east of Feather Falls.
914
Comment
CHSC42101
Mollugo verticillata
Lowell Ahart
1986-11-7
5424
Butte
In a prune orchard, east of the Feather River, north of the Oroville Gridley Highway, about 3 miles east of Gridley.
28
Comment
RSA688936
Mollugo verticillata
L. Ahart
1986-11-14
5478
Butte
About 0.1 mile south of the clay burrow for Oroville Dam, 0.25 mile east of Larkin Road, about 6 miles southwest of Oroville.
37
Comment
CHSC38477
Monardella breweri subsp. lanceolata
Vernon Oswald
1983-6-27
766
Butte
Upper Bidwell Park, Chico, in the bed of Lindo Channel near the diversion weir.
79
Comment
RSA401578B
Monardella lanceolata var. lanceolata
L. Ahart
1984-5-28
4652
Butte
On a large road cutbank along Hwy 40, now called Dark Canyon Rd, ca. 2 mi E of Old Yankee Hill, ca 16 mi NE of Oroville.
450
Comment
CAS-BOT-BC318571
Monardella odoratissima subsp. pallida
H. F. Copeland
1920-8-29
135
Butte
Jonesville woods
1219
Comment
JEPS117416
Monardella odoratissima subsp. pallida
Lowell Ahart
2010-9-28
17247
Butte
Along the east side of Big Kimshew Creek, about 100 yards east of the poor dirt road, about 1-1/2 miles (air) northeast of Jones Meadow, about 2-1/2 miles (air) southeast of Philbrook Reservoir
1886
Comment
UC104639
Monardella odoratissima subsp. pallida
Mrs. R. M. Austin
1896-7-1
289
Butte
Colby
Comment
CAS-BOT-BC220447
Monardella sheltonii
Lowell Ahart
1988-7-28
6137
Butte
At the north side of the dam at Lost Creek Reservoir
1036
Comment
CAS-BOT-BC220449
Monardella sheltonii
L. P. Janeway
1988-6-19
2821
Butte
Ca 200 ft above Honey Run Rd, 2.6 mi from Humbug Rd
274
Comment
CHSC43847
Monardella sheltonii
B. Castro
1987-5-18
91
Butte
Approx. 9 mi e of Chico and ca 1/2 mi e of Hwy 32 via Altatina Dr.
457
Comment
CAS-BOT-BC220451
Monardella sheltonii
John Thomas Howell
1976-7-14
51812
Butte
Feather River Canyon Highway just east of Jarbo Gap
640
Comment
JEPS62419
Monardella villosa subsp. villosa
W. I. Follett
1937-6-25
95
Butte
4.7 mi north Bidwell Bar (on the old Oroville-Quincy highway)
335
Comment
UC1562413
Monardella villosa subsp. villosa
Lowell Ahart
1990-5-28
6502
Butte
South of Palm Avenue, about 1/4 mile east of Larkin Road, about 2 1/2 miles north-east of East Gridley.
30
Comment
UC1221752
Monochoria vaginalis
Beecher Crampton
1957-9-17
4628
Butte
5 mi nw of Biggs (Biggs Rice Experiment Station); Biggs Rice Experiment Station
Comment
UC1564781
Monolepis nuttalliana
V. Oswald and L. Ahart
1989-6-27
3833
Butte
ca. 3.3 mi. (air) s.e. Jonesville (Humbug Rd. at Butte Creek House, along Butte Creek); Butte Creek
1767
Comment
CHSC50333
Montia chamissoi
Vernon Oswald
1990-5-17
4218
Butte
Meadow near the headwaters of Concow Creek, on the west side of Concow Rd. ca. 0.5 mile south-southwest of Flea Valley. Common in a marshy area along the creek at the foot of the meadow.
1097
Comment
POM101957
Montia clara
C. C. Bruce
1897-06
2013
Butte
Fields
Comment
CAS-BOT-BC444797
Montia diffusa
M. S. Taylor
1981-5-5
3615
Butte
In Bryant Ravine at its jct with spur rd off 21N35Y, ca. 1 mi s of Feather Falls trailhead, ca. 0.5 mi n of Feather Falls community.
822
Comment
CHSC31854
Montia fontana subsp. amporitana
L. Ahart
1974-2-12
300
Butte
Peter Ahart Ranch, Honcut.
45
Comment
JEPS95821
Muhlenbergia filiformis
Lowell Ahart
1999-10-3
8284
Butte
northwest of Parrott Landing; about 1 mile southeast of Ord Ferry; about 2 miles southeast of Ordbend; about 12 miles (air) southwest of Chico
32
Comment
RSA518697
Muhlenbergia mexicana
L. Ahart
1990-10-21
6635
Butte
Below the high water line of Lake Oroville, about 1 mile north of Nelson Bar Road, about half mile west of Gold Flat.
213
Comment
CHSC31165
Myosurus apetalus var. borealis
M. S. Taylor; J. D. Jokerst
1980-3-28
2401
Butte
In and around vernal pools, jst e of Chico, between Humboldt Rd and Hwy 32, ca. 1/4 mi e of Forest Ave., ca. 1.5 mi e of Hwy 99.
76
Comment
CAS-BOT-BC83267
Myosurus minimus
Lowell Ahart
1982-4-29
3389
Butte
Gray Lodge, about 12 miles southwest of Gridley. Near the sign in station.
35
Comment
CHSC42355
Nama lobbii
Lowell Ahart
1987-5-22
5685
Butte
A little north of the dirt county road, Lumpkin Ridge Road, about 4 miles northeast of Feather Falls.
1280
Comment
CAS-BOT-BC60376
Nasturtium officinale
Lowell Ahart
1989-5-31
6332
Butte
North of the end of Truex Road, near Lake Oroville, about 0.25 mile NW of the West Branch Bridge across Lake Oroville.
304
Comment
CHSC28859
Navarretia divaricata
J. D. Jokerst; T. B. Devine
1979-5-18
462
Butte
Top of North Table Mt, ca 200 met N of jct of Cherokee Rd and E edge of Mt.
Comment
CHSC36817
Navarretia divaricata
D. H. Ikeda
1980-5-26
383
Butte
Cohasset Ridge, s of Cohasset.
426
Comment
UC1609052
Navarretia divaricata
Lowell Ahart
1993-7-29
7125
Butte
6.5 mi ne Stirling City (2.5 mi ne of Bald Mountain, .12 mi n of the Snow Mine, on the e side of an old water ditch for gold mining)
1676
Comment
JEPS108740
Navarretia divaricata subsp. divaricata
Lowell Ahart
2006-7-16
13002
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
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
UC856827
Navarretia intertexta
A. A. Heller
1914-5-11
11386
Butte
8 mi n Oroville
Comment
UCD48469
Navarretia intertexta
W. R. Powell
1968-5-6
1481
Butte
1.8 miles north-northeast of Bangor, Butte County, California.
342
Comment
CHSC52107
Navarretia leucocephala
Kimberly J. Weir
1976-4-15
4
Butte
In vernal pool, ca. 1 mi s of Big Chico Creek and 1.5 mi ene of Chico, 20 ft n of Humboldt Road.
60
Comment
UCD48502
Navarretia leucocephala
W. R. Powell
1968-4-23
1472
Butte
2 miles south-southeast of Oroville, Butte County, California.
71
Comment
JEPS107890
Navarretia leucocephala subsp. leucocephala
Lowell Ahart
2005-5-28
11818
Butte
Pasture, on the south side of Nelson Avenue, east of the bridge across the Thermalito Forebay, Thermalito
67
Comment
UCD37442
Navarretia nigelliformis
Beecher Crampton
1960-6-15
5622
Butte
Butte County, 10 miles southeast of central Chico.
Comment
JEPS107888
Navarretia pubescens
Lowell Ahart
2005-5-28
11819
Butte
Pasture, on the south side of Nelson Avenue, east of the bridge across the Thermalito Forebay, Thermalito
67
Comment
CHSC91106
Navarretia tagetina
Lowell Ahart
2005-5-28
11821 A
Butte
South edge of Falager Ct., intersection of Falager Ct. and Durham Pentz Road, east of Highway 99 East, about 4 miles east of Durham.
70
Comment
CHSC91115
Navarretia tagetina
Lowell Ahart
2005-5-27
11813
Butte
Pasture field, 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.
45
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
SD122582
Nemacladus interior
Lowell Ahart
1984-6-8
4669
Butte
Ponderosa Dam, ca. 2 miles northwest of Forbestown. North side of reservoir
370
Comment
RSA32941
Nemophila heterophylla
A. A. Heller
1937-5-31
s.n.
Butte
Yankee Hill
Comment
CAS-BOT-BC7219
Nemophila menziesii
H. E. Brown
1897-4-15
145
Butte
Near Clear Creek
53
Comment
UC24206
Nemophila menziesii
Winifred Paine
1902-3-29
Butte
Chico
Comment
CHSC28653
Nemophila pedunculata
M. S. Taylor
1979-3-31
1967
Butte
Lickey Ranch, along Ishi Trail Rd, ca. 1/2 mi n of Concow Rd and Lake Concow.
670
Comment
UC107250
Nemophila pedunculata
H. E. Brown
Mar 3 1897-Mar 22 1897
173
Butte
near Clear Creek; ; Clear Creek, Butte Co.
53
Comment
SD4034
Nemophila spatulata
E. B. Copeland
1930-6-28
Butte
Jonesville
1650
Comment
POM183140
Nemophila spatulata
H. F. Copeland
1930-7-28
1302
Butte
Neighborhood of Jonesville. Near head of South Willow Creek.
1829
Comment
POM199585
Nemophila spatulata
H. F. Copeland
1932-6-29
s.n.
Butte
Jonesville. Above meadow by Butte Creek.
Comment
CHSC105956
Nicotiana acuminata var. multiflora
Lowell Ahart
2010-9-24
17235
Butte
Near the southwest edge of the Golf Course, along trail from the end of Centennial Avenue to the footbridge across Big Chico Creek, Bidwell Park.
91
Comment
CHSC112924
Nicotiana acuminata var. multiflora
B. Castro; R. Carter
2010-7-13
1823
Butte
Sacramento Valley. S side of Thermalito Power Canal ca 0.3 mi E of Hwy 70, ca 0.25 mi W of Table Mtn Blvd and ca 0.25 mi S of Garden Drive , on the north end of Oroville.
70
Comment
CHSC116131
Nicotiana acuminata var. multiflora
Lowell Ahart
2015-11-7
20625
Butte
On the bottom and on the west side of Dark Canyon, west of the parking area at the end of old highway Alternate 40, strand of Lake Oroville, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise.
224
Comment
JEPS95875
Nicotiana quadrivalvis
Lowell Ahart
1999-8-13
8136
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
SBBG25316
Notholithocarpus densiflorus var. densiflorus
F. C. Raney
1964-9-10
Butte
10 mi NE of Feather Falls
Comment
CHSC46801
Nuphar lutea subsp. polysepala
R. A. Schlising; P. Broyles
1986-8-5
4500
Butte
NE of Snag Lake, and to W of Old Butte Creek House; small lake.
1822
Comment
CAS-BOT-BC400070
Nuphar polysepala
E. B. Copeland
1930-7-29
415
Butte
Jonesville
1700
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
CHSC94508
Oreostemma alpigenum var. andersonii
Lowell Ahart
2006-8-15
13182
Butte
Bog, near the center of a large open meadow with bogs, about 70 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
CHSC48640
Orobanche fasciculata
Vernon Oswald
1987-4-14
2324
Butte
Garland Rd. 0.3 mi n of Doe Mill Rd. (ene of Forest Ranch).
524
Comment
JEPS124297
Orobanche fasciculata
Lowell Ahart
2015-4-13
20034
Butte
About 2 1/2 miles (air) north of Jarbo Gap, about 17 miles (air) north of Oroville.
Comment
JEPS12903
Orobanche fasciculata
E. B. Copeland
1931-7-6
Butte
Jonesville, west of willow Creek.
Comment
JEPS95517
Orobanche uniflora
Lowell Ahart
1994-4-22
7286
Butte
3 1/2 mi SW of Forbestown (S of int of Black Bart Road and Forbestown Road)
609
Comment
JEPS104025
Orobanche uniflora var. uniflora
Lowell Ahart
2003-4-15
10098
Butte
Steep slopes of Beatson Hollow, sw of drainage entering Beatson Hollow, ca 1 1/4 mi nw of the iron gate and fence, nw of Cherokee Rd, North Table Mountain, ca 7 mi (air) n of Oroville.
284
Comment
CHSC1169
Orobanche vallicola
J. Wakeman
1962-8-12
Butte
Bank of Chico Creek, Bidwell Ave. near Rodgers.
54
Comment
SDSU10840
Orthocarpus erianthus
Scott McMillan
1992-4-11
11 IV92A
Butte
The pool was under a electrical tower north of Upper Park Rd., in Upper Bidwell Park, Chico.
78
Comment
SEINET10935052
Oryza sativa
Lowell Ahart
1984-9-17
Ahart 4793
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
SEINET10925598
Oryzopsis miliacea
James D. Jokerst, Lowell Ahart
1981-9-26
Jokerst 1478
Butte
Along dirt road N of Big Chico Cr ca 200 m E of the Sacramento River. Riparian Woodland.
30
Comment
CHSC104808
Osmorhiza chilensis
Lowell Ahart
2010-5-23
16731
Butte
On both sides of Pine Trail, about 50 yards east of Guardians Trail, about 1/8 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico.
455
Comment
RSA712842
Oxalis corniculata
Vernon H. Oswald
1999-5-6
9724
Butte
East side of Sacramento River and north side of Big Chico Creek, Bidwell Sacramento River State Park west of Chico, along the dirt road leading into the Big Chico Creek river access.
37
Comment
UC195451
Oxypolis occidentalis
A. A. Heller
1914-8-6
11641
Butte
Chico Meadows Sierra Nevada
Comment
UCD150723
Packera eurycephala
Collector Unknown
1977-5-21
s.n.
Butte
California, Butte County. Near Pulga Canyon. Slopes of the Feather River. Elevation estimated by label-maker.
457
Comment
CHSC109848
Packera eurycephala var. lewisrosei
L. P. Janeway
2012-6-7
10864
Butte
Northern High Sierra Nevada. Southwestern spur of Rocky Ridge, 0.6 air km south of Batchelor Point; along Road 23N06E 0.8 road km southeast of Rim Road/Ponderosa Way.
895
Comment
CHSC94765
Panicum acuminatum var. acuminatum
Lowell Ahart
2006-9-11
13307
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville.
431
Comment
CAS-BOT-BC253702
Panicum capillare
A. A. Heller
1916-9-30
12665
Butte
S [5?] miles N of Oroville
Comment
JEPS95815
Panicum capillare
Lowell Ahart
1999-9-21
8281
Butte
northwest of Parrott Landing; about 1 mile southeast of Ord Ferry; about 2 miles southeast of Ordbend; about 12 miles (air) southwest of Chico
32
Comment
UCD89512
Panicum capillare
A. A. Heller
1916-9-30
12665
Butte
8 miles north of Oroville.
Comment
CHSC40879
Parentucellia viscosa
Lowell Ahart
1985-5-20
5008
Butte
Near the Little Pump, Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
JEPS119623
Parthenocissus quinquefolia
Lowell Ahart
2012-6-21
18210
Butte
About 250 yards east of the dam at Sycamore Pool, Lower Bidwell Park, Chico.
Comment
JEPS98522
Paspalum distichum
Lowell Ahart
2000-10-2
8697
Butte
Northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) soutwest of Chico.
32
Comment
CHSC46759
Pectocarya pusilla
Lowell Ahart
1980-5-4
2213
Butte
About 150 feet south-west of the intersection of Forbestown Road and Hurleton Swedes Flat Road, about 1/2 mile south-east of Hurleton.
548
Comment
CHSC54095
Pectocarya pusilla
Vernon H. Oswald; Lowell Ahart
1991-5-13
4580
Butte
Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd East (opposite the spillway).
213
Comment
CHSC43162
Pedicularis attollens
R. A. Schlising
1980-7-8
3866
Butte
N of Butte Creek and several mi N of Butte Meadows near Cherry Hill Campground in large meadow.
Comment
CHSC1842
Pedicularis densiflora
R. Carter
1965-3-15
165
Butte
Found on bank above road on SE corner of intersection of Oroville-Forbestown Rd. and Swedes Flat Rd. ca. 10.5 mi. E of Oroville.
502
Comment
NY68337
Pedicularis groenlandica
A. A. Heller
1928-7-10
14673
Butte
At Butte Meadows in the yellow pine belt.
Comment
CAS-BOT-BC71199
Pellaea andromedifolia
John Thomas Howell
1962-6-16
37620
Butte
Nelson Bar
213
Comment
CHSC97737
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
SEINET3166410
Pellaea mucronata
P. J. Alexander
2009-5-27
1048
Butte
Western foothills of the northern Sierra Nevada, Feather Falls trail +-0.4 trail miles short of the overlook, 2.2 miles ESE of Bald Rock Dome, 17.8 miles NE of Orovoville, Plumas National Forest.
616
Comment
SEINET10971559
Pellaea mucronata
Lowell Ahart
1983-3-28
Ahart 3912
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
CHSC97017
Pellaea mucronata var. mucronata
L. P. Janeway
2007-6-19
9064
Butte
Northern High Sierra Nevada. Plumas National Forest; along the dirt road to the upper end of the penstock of the Forbestown Pow-erhouse; 2.4 air km east-northeast of Ponderosa Dam, 500 m northeast of South Fork Feather River.
556
Comment
CHSC88056
Penstemon azureus var. azureus
R. D. Fischer
2004-5-30
182
Butte
Northern Sierra Nevada, 4-5 airmiles n. of Paradise, and w. of upper Paradise Pines. Turn w. off Skyway Road on Nimshew Road and take the s. turn on Centerville Road (on older maps Humbug Road), ca. 1 mile s. of this junction.
643
Comment
NY600732
Penstemon gracilentus
E. B. Copeland
1930-7-6
457
Butte
Above Jonesville
1950
Comment
UC600439
Penstemon gracilentus
H. F. Copeland
June, 1931
Butte
Jonesville
Comment
SEINET10547986
Penstemon gracilentus
Mary Susan Taylor
1978-7-19
Taylor 1780
Butte
On E side of Upper Scotts John Road, ca. 2 mi N of its junction with Scotts John Road, ca. 6 mi NE of Jonesville.
1890
Comment
NY604514
Penstemon laetus var. leptosepalus
A. A. Heller
1928-6-20
14666
Butte
At Butte Meadows
Comment
CHSC28011
Penstemon neotericus
M. S. Taylor
1978-7-21
1800
Butte
Ca. 1 mi n of Lake Madrone, on e side of Oroville-Quincy Hwy.
609
Comment
CAS-BOT-BC245635
Penstemon personatus
Lowell Ahart
1984-7-19
4761
Butte
About 1 mile north-east of Bald Mountain, about 6 miles north-east of Stirling City
1900
Comment
CHSC54
Pentagramma pallida
R. J. Wakeman
1964-2-1
Butte
Chico Creek Canyon of Bidwell Park.
152
Comment
UC1481799
Pentagramma pallida
C. C. Hall
1917-5-16
1030 b
Butte
Iron Canyon
Comment
CHSC23460
Pentagramma triangularis
J. R. Lee
1974-4-15
1
Butte
Found on n side of Upper Bidwell Park road w of Salmon hole and 4.3 mi from the Chico Municipal golf Course.
121
Comment
CHSC3982
Pentagramma triangularis
E. P. Parreno
1967-2-20
Butte
Salmon Hole.
Comment
SEINET3166411
Pentagramma triangularis subsp. triangularis
P. J. Alexander
2009-5-27
1049
Butte
Western foothills of the northern Sierra Nevada, Feather Falls trail +-0.4 trail miles short of the overlook, 2.2 miles ESE of Bald Rock Dome, 17.8 miles NE of Orovoville, Plumas National Forest.
616
Comment
SFV10664
Pentagramma triangularis subsp. triangularis
M. L. Vincent
1965-4-16
624
Butte
Pentz Road, 0.5 miles east of Pentz school.
Comment
CAS-BOT-BC211263
Perideridia bacigalupii
Lowell Ahart
1985-6-30
5090
Butte
100 yards south of the road to the Forbestown Res., south of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown
883
Comment
CHSC37133
Perideridia bolanderi subsp. involucrata
L. Ahart
1982-7-1
3654
Butte
Ca. 1 1/4 mi n and 2 1/2 mi e of Honcut, Peter Ahart Ranch.
50
Comment
SBBG120014
Perideridia lemmonii
L. Ahart
2006-8-15
13176
Butte
0.75 mi (air) NW of Jonesville, about 5 mi (air) NE of Butte Meadows
1569
Comment
CHSC64034
Perideridia parishii subsp. latifolia
S. C. Morey
1983-8-4
708
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows.
1292
Comment
HSC73010
Perideridia parishii subsp. latifolia
M. S. Taylor, L. Ahart
1981-8-16
4204
Butte
Jones Meadow, 3 mi. S of Philbrook Reservoir, 6 mi. NE of Stirling City
1829
Comment
UCD99344
Persicaria amphibia
Collector unknown
1927-12-16
1406
Butte
Biggs Rice Station.
Comment
CHSC30868
Persicaria hydropiper
J. D. Jokerst
1980-7-18
997
Butte
Top of North Table Mt., ca 100 m NW of the jct. Cherokee Rd. and the east edge of mt.
Comment
CHSC40909
Persicaria hydropiper
Lowell Ahart
1985-11-7
5234
Butte
About 80 feet below the high water line of Lake Oroville, on the bottom of the South Fork of the Feather River, about 300 yards north-west of the Ponderosa Dam.
277
Comment
CHSC34055
Persicaria lapathifolia
L. Ahart; M. S. Taylor
1981-8-15
3041
Butte
On drying bottom of north side of Snag Lake, ca. 10 mi n of Inskip.
1500
Comment
JEPS120613
Persicaria lapathifolia
Lowell Ahart
2013-11-13
19236
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
CHSC110398
Persicaria maculosa
Lowell Ahart
2012-9-28
18462
Butte
Just east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
62
Comment
CHSC96551
Petrorhagia dubia
L. P. Janeway
2006-4-30
8563
Butte
Cascade Range Foothills. East edge of city of Chico; northwest side of Humboldt Road 2.4 km northeast of Bruce Road.
149
Comment
UCD120383
Phacelia distans
Collector unknown
1925-5-17
1782
Butte
Marysville Buttes.
Comment
CHSC24760
Phacelia egena
Keith Lickey
1976-4-14
59
Butte
300 m w of Hwy 70, ca. 1 km n of Lunt Rd.
365
Comment
CHSC39110
Phacelia egena
R. A. Schlising
1983-5-13
4406
Butte
Bald Rock Dome area in e-central part of county. On the granodiorite dome in open area within region of yellow pine forest.
548
Comment
UC671701
Phacelia heterophylla subsp. virgata
Lincoln Constance
1941-5-28
2829
Butte
Magalia Sierra Nevada foothills, South Branch of Feather River
518
Comment
RSA32015
Phacelia imbricata subsp. imbricata
A. A. Heller
1938-5-28
15111
Butte
Near the Las Plumas road on the Feather River Highway.
Comment
CHSC36081
Phacelia mutabilis
R. A. Schlising
1981-8-4
4188
Butte
Top (n end) of Scotts John Road, 3.1 mi n of its jct with main road to Jonesville.
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
CHSC39119
Phacelia racemosa
R. A. Schlising
1981-6-20
4095
Butte
About 10 mi e of Inskip, ne of Jones Meadows.
1877
Comment
UC600776
Phacelia racemosa
H. F. Copeland
1930-7-28
Butte
by So. Willow Creek; Jonesville
1828
Comment
CHSC730
Phacelia tanacetifolia
V. Holt
1935-3-30
Butte
Chico Creek ridge.
304
Comment
CHSC71215
Phalaris caroliniana
Lowell Ahart
1998-6-9
7999
Butte
Edge of a vernal pool or seep, about 1/2 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.
396
Comment
CHSC61545
Phalaris lemmonii
Lowell Ahart
1993-5-15
6943
Butte
Rice field, east of the Cherokee Canal and north of the Biggs Princeton Road, about 3 miles west of Biggs.
30
Comment
CAS-BOT-BC77370
Philadelphus lewisii
Grace Kermode
1899-6-1
s.n.
Butte
Chico
Comment
JEPS123884
Philadelphus lewisii
Lowell Ahart
2015-5-5
20144
Butte
Oroville Wildlife Area, about one mile south of the Headquarters, about one mile south of Thermalito.
Comment
UC1127341
Philadelphus lewisii
J. E. Sowder
1933-5-26
78
Butte
1/2 mi w Yankee Hill; Chico Quadrangle
Comment
SEINET10482893
Philadelphus lewisii subsp. californicus
Lowell Ahart, Peter Ahart
1983-6-21
Ahart 4080
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-BC250864
Phleum pratense
M. S. Taylor
1978-7-21
1836
Butte
Big Bald Rock, ca. 2 mi e of Lake Madrone
997
Comment
SEINET10507565
Phleum pratense
Mary Susan Taylor
1978-7-18
Taylor 1720
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
CHSC35093
Phlox diffusa
R. A. Schlising
1980-6-10
3670
Butte
Along Humbolt Road, 1.9 mi NE of jct with Hwy 32 at Lomo.
1356
Comment
CAS-BOT-BC135128
Phoradendron juniperinum
Lowell Ahart
1980-9-10
2622
Butte
Little Bald Rock
1100
Comment
JEPS98508
Phoradendron libocedri
Lowell Ahart
2000-9-27
8696
Butte
About 1/4 mile southeast of Little Bald Rock, about 1 1/4 miles (air) northeast of Big Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville.
1066
Comment
CHSC103145
Phoradendron macrophyllum
Lowell Ahart
2009-8-3
16255
Butte
On the east side of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
209
Comment
CHSC116304
Phoradendron serotinum subsp. macrophyllum
Lowell Ahart
2015-11-18
20667
Butte
On the west side of the Feather River, about 1/2 mile south of Palm Avenue, about 1 1/2 miles southeast of the intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley.
26
Comment
SEINET10936355
Phoradendron villosum
Mary Susan Taylor
1981-1-5
Taylor 3373
Butte
T21N R4E sw sec 6. Cherokee quad. Ca. 100 ft e of Pentz-Magalia Hwy, ca. 1 mi s of Kunkle Reservoir, ca. 3 mi s of Paradise. Foothill Woodland and Savannah; 1350 ft.
411
Comment
CHSC42333
Phyllostachys bambusoides
B. C. Willingham
1968-6-3
Butte
Plant Introduction Station, Chico. Purchased in Nagasaki, Japan.
Comment
CHSC51373
Physalis acutifolia
Vernon Oswald; Lowell Ahart
1990-10-11
4456
Butte
Dark Canyon arm of Lake Oroville, about 4 miles south of Jarbo Gap. On the edge of the ramp road below the high-water line of the lake.
265
Comment
CDA5828
Physalis lancifolia
Margaret Bellue
1947-8-23
Butte
Afton Road near Biggs.
0
Comment
RSA702777
Phytolacca americana
L. Ahart
2004-9-28
11405
Butte
On the south side of the Oroville Chico Highway, west of Butte Creek, about 1 1/8 miles southeast of the Midway, about 2 1/8 miles northeast of Durham, about 3 1/2 miles southeast of Chico.
58
Comment
SEINET4890912
Phytolacca americana
R. R. Halse
2006-8-2
6977
Butte
Chico; in the Lindo Channel Greenway where it crosses under Mangrove Ave.
92
Comment
CAS-BOT-BC434419
Phytolacca americana
Alice Eastwood
1913-6-18
s.n.
Butte
Experimental Station, Chico
Comment
CHSC109764
Phytolacca americana var. americana
Lowell Ahart
2012-10-28
18524
Butte
About 50 yards east of Table 5, west of Cedar Grove, Lower Bidwell Park, Chico.
68
Comment
SEINET10449366
Pieris japonica
Mary Susan Taylor
1975-5-6
Taylor 554
Butte
Campus of California State University Chico, along creek between bridge between Holt Hall and Butte Hall, and bridge between Holt Hall and Chemistry Bldg; Riparian Woodland.
61
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
JEPS99057
Pilularia americana
Lowell Ahart
2002-4-24
9525
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) SW of Palermo, about 7 miles (air) south of Oroville.
35
Comment
JEPS104187
Pinus jeffreyi
Lowell Ahart
2003-10-17
10641
Butte
In rock pile ca 25 yd n of Humboldt Peak, ca 1/2 mi e of Humboldt Summit, ca 8 mi (air) ne of Butte Meadows.
2154
Comment
NY61961
Pinus monticola
A. A. Heller
1915-6-26
12033
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
LA35048
Pinus sabiniana
Ira L. Wiggins;
1940-8-7
40- 161 k
Butte
near Chico
761
Comment
CHSC54458
Piperia colemanii
Vernon H. Oswald
1991-7-15
4731
Butte
Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), just east of its juction with Oroville-Quincy Hwy, ca. 4.75 miles (air) northeast of Brush Creek.
1109
Comment
CHSC116592
Piperia elongata
L. P. Janeway
2015-6-30
11790
Butte
Northern High Sierra Nevada. Plumas National forest; along road 19N19 1.3 road-km east of Ponderosa Way; north-northwest slopes halfway between Sunset Hill and Ponderosa Dam (South fork Feather River).
701
Comment
POM365989
Piptatherum miliaceum
L. Ahart, Peter Ahart
1984-6-10
4690
Butte
Along edge of a new subdivision road 1 mile SE of Hurleton, 1/12 mile E of Oak Grove Cemetery, 10 miles E of Oroville.
500
Comment
UC2026875
Pistacia chinensis
Lowell Ahart, Linnea Hanson, Kaline Le Coq, Josephine Guardino
2012-4-27
17912
Butte
On the north side of the path, near table 14, on the north side of Centennial Avenue, Lower Bidwell Park, Chico.
Comment
SEINET10529969
Pityrogramma triangularis var. semipallida
Mary Susan Taylor
1979-5-4
Taylor 1996
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
JEPS127089
Plagiobothrys
Lowell Ahart
2016-4-14
20742
Butte
North of Larkin Road, about 6 miles (air) southwest of Oroville.
Comment
POM64763
Plagiobothrys bracteatus
E. B. Copeland
1903-5-15
3046
Butte
Chico
Comment
POM126228
Plagiobothrys bracteatus
Francis Ramaley
1917-5-6
11215
Butte
Near Chico
Comment
UC480699
Plagiobothrys canescens
H. F. Copeland
1923-3-16
602
Butte
near Butte Creek
Comment
UC78035
Plagiobothrys canescens
Mrs. R. M. Austin
Mar 1896
Butte
Comment
CHSC90103
Plagiobothrys fulvus
M. A. Carlson
1991-4-12
17
Butte
Renkow Road 0.4 mi east of Meridian Road, 12 mi north of Chico.
70
Comment
SEINET12275924
Plagiobothrys fulvus
Unknown
s.n.
Butte
no further locality
Comment
SEINET12320808
Plagiobothrys fulvus
Unknown
1974-1
15
Butte
adjacent to Fern Bank area, upper Bidwell Park
Comment
POM71620
Plagiobothrys glyptocarpus var. glyptocarpus
C. C. Bruce
1898-05
1928
Butte
[No locality information provided]
Comment
RSA189363
Plagiobothrys greenei
L. S. Rose
1967-5-6
67056
Butte
Oroville
52
Comment
CHSC31256
Plagiobothrys hispidulus
R. A. Schlising; R. Banchero
1980-7-14
3892
Butte
Along Skyway, 4.2 mi N of Inskip (= 0.8 mi N of jct with Bull Hill Road to Butte Meadows); in meadow/pasture.
1511
Comment
UC1601347
Plagiobothrys hispidulus
A. A. Heller
1914-6-22
11496
Butte
Chico Meadows
1219
Comment
CHSC103988
Plagiobothrys nothofulvus
Lowell Ahart
2010-5-14
16672
Butte
Along the trail, near the south park fence, about 1/2 mile west of the entrance to the Disc Golf Area, west of Highway 32, Upper Bidwell Park, about 4 1/2 miles (air) northeast of Chico.
257
Comment
CHSC28468
Plagiobothrys nothofulvus
R. A. Schlising
1979-4-15
3365
Butte
Richvale vernal pools; 1/4 mi s of jct Hwy 162 to Oroville and Hwy 99, along latter and across from Thermalito Afterbay; near ditch.
Comment
POM71480
Plagiobothrys nothofulvus
C. C. Bruce
1897-03
1927
Butte
Foothill plains.
Comment
UC1601376
Plagiobothrys stipitatus
Mrs. R. W. Summers
Butte
Comment
CHSC29043
Plagiobothrys stipitatus var. micranthus
J. D. Jokerst
1979-4-6
544
Butte
At the edges of dry vernal pools (at the high water mark). Top of North Table Mt, N of Cherokee Rd.
403
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
RSA0114655
Plagiobothrys stipitatus var. micranthus
Lowell A. Ahart
2015-5-5
20137
Butte
About 30 yards north of Larkin Road, about 400 yards south of Larkin Road Boat Launch Area, near the Thermalito Afterbay, about 1 mile southwest of the Oroville Airport, about 6 miles (air) southwest of Oroville.
43
Comment
CHSC54377
Plagiobothrys stipitatus var. stipitatus
M. Bailey
1991-4-19
564
Butte
Butte College campus. On margins of drainages, w of Well #3 ca 500 ft e of Williams Road and 1/4 mi n of Pentz Road.
85
Comment
CHSC65897
Plagiobothrys stipitatus var. stipitatus
Vernon H. Oswald
1996-4-10
7355
Butte
Sacramento Valley. Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Along a check in an old irrigated pasture at the S end of Tract 7, Sanctuary 2.
33
Comment
CHSC75257
Plagiobothrys stipitatus var. stipitatus
Jennifer Slater
1997-4-6
2
Butte
At the Wurlitzer addition of the Vina Plains Preserve, approx. one mile west of Highway 99.
67
Comment
RSA691927
Planodes virginica
L. Ahart
2003-5-9
10123
Butte
Waste area along the SW corner of a prune orchard, on the N side of Evans Reimer Road, about 3/4 mile W of Block Road, about 3 miles (air) SW of Gridley.
24
Comment
CHSC28765
Plantago bigelovii
J. D. Jokerst
1979-3-30
194
Butte
Ca 300 meters S.E. of Hwy. 32, east of Chico.
396
Comment
SEINET10499839
Plantago bigelovii
Lowell Ahart
1984-4-24
Ahart 4584
Butte
Peter Ahart Ranch, ca. 2.5 mi NE of Honcut, ca. 12 mi S of Oroville. Valley Grassland; 50 m.
50
Comment
JEPS117515
Plantago coronopus
Lowell Ahart
2010-5-22
16713
Butte
About 140 yards east of the fence, about 240 yards east of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville
392
Comment
UCD77277
Plantago coronopus
Robert E. Preston
2005-3-24
2326
Butte
Palermo Substation, ca. 1.3 mi NE of Palermo
121
Comment
SEINET10499802
Plantago coronopus
Mary Susan Taylor
1975-4-18
Taylor 481
Butte
SW corner of Broyles Rd and Hwy 99, ca. 6 mi N of Chico; Valley Grassland. Associates: Orthocarpus erianthus and attenuatus, Layia fremontii, Limnanthes alba.
61
Comment
JEPS104322
Plantago elongata
Lowell Ahart
2003-3-31
10027
Butte
On the south side of the access road to the boat ramp at the Thermalito Afterbay, ca 300 yd w of Larkin Rd, ca 1 1/4 mi south of the Oroville Airport, ca 5 mi (air) sw of Oroville.
43
Comment
SEINET12328349
Plantago elongata
Unknown
1984-1
4584
Butte
Peter Ahart Ranch, ca 2.5 mi NE of Honcut, ca 12 mi S of Oroville
50
Comment
CHSC24687
Plantago erecta
D. Hattem
1976-4-10
18
Butte
Ca. 1/2 mi e of e boundary of Upper Bidwell Park, ca. 50 m n of Big Chico Creek, ca. 10.2 mi e of Chico.
335
Comment
CHSC24896
Plantago erecta
G. K. Mead
1976-4-23
14
Butte
Ca. 150 yds S of Butte Creek and 2.0 mi W of the Covered Bridge. 6.4 mi ESE of Chico.
121
Comment
CHSC31163
Plantago erecta
M. S. Taylor
1980-3-1
2353
Butte
On bluffs overlooking Hamlin Canyon, ca. 1/2 mi se of Neal Rd, ca. 2 mi sw of Paradise.
301
Comment
RSA754583
Plantago erecta
L. Ahart
2009-4-22
15584
Butte
W side of Guardians Trail, about 100 yards N of Pine Trail, Upper Bidwell Park, W of the intersection of Highway 32 and Ten Mile House Road, about 10 miles NE of Chico.
382
Comment
CHSC116959
Plantago lanceolata
Matthew Forster
2013-5-14
Butte
Oroville spillway, off Oro Powerhouse Rd.
118
Comment
JEPS115348
Plantago lanceolata
Lowell Ahart
2009-7-3
15989
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
SEINET10499812
Plantago lanceolata
Mary Susan Taylor
1978-9-8
Taylor 1892
Butte
Along flood control slough, ca. 4 mi N of Chico, along Hwy 99.
61
Comment
CHSC113388
Plantago major
Lowell Ahart
2014-7-2
19548
Butte
On the poor road, east of cow corral, 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.
1281
Comment
CDA42769
Plantago virginica
L. Ahart
2011-5-2
17350
Butte
Open pasture field, about 100 yards west of the dredged edge of North Honcut Creek, about 2 1/2 miles north and 2 1/2 miles east of Honcut, about 12 miles southeast of Oroville.
Comment
SEINET13710809
Plantago virginica
Lowell William Ahart, Lowell William Ahart
2000-1
8348
Butte
Thermalito Afterbay W of Larkin Rd., 5 Air Mi. SW of Oroville, 140 Ft. (T19N, R3E, sec 27, SW 1/4)
43
Comment
CAS-BOT-BC91591
Platystemon californicus
A. A. Heller
1913-4-6
10718
Butte
Bottoms along Big Chico Creek, east of Chico.
Comment
POM225861
Platystemon californicus var. californicus
J. H. Morrison
1932-4-3
s.n.
Butte
Durham.
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
UC474262
Pleuricospora fimbriolata
H. F. Copeland
1930-7-21
Butte
Jonesville, Butte Creek Butte Creek; Jonesville, Butte Creek
Comment
CAS-BOT-BC458149
Pleuricospora fimbriolata
E. B. Copeland
1929-7-13
436
Butte
Jonesville
1550
Comment
CHSC47626
Poa annua
Lowell Ahart
1977-4-2
1236
Butte
In a pasture field, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/4 miles east of Honcut, about 12 miles south of Oroville.
39
Comment
CHSC96379
Poa annua
Lowell Ahart
2007-3-19
13594
Butte
Peter Ahart Ranch, about 1 3/4 miles north and 1 1/4 miles east of Honcut, about 12 miles south of Oroville.
35
Comment
JEPS116032
Poa annua
Lowell Ahart, Josephine Guardino, Steve Green
2009-2-20
15491
Butte
Near the north side of Cedar Grove, Lower Bidwell Park, Chico
67
Comment
JEPS122268
Poa annua
Lowell Ahart
2014-4-9
19324
Butte
On the north side of Colusa Highway, about 4/10 mile east of the intersection of Pennington Road and Colusa Highway, about 5 1/2 miles west of Gridley.
Comment
POM183185
Poa bolanderi
H. F. Copeland
1930-7-21
1349
Butte
Jonesville.
1524
Comment
UC600760
Poa bolanderi
H. F. Copeland
1930-7-21
1349
Butte
Jonesville
1524
Comment
SEINET10657849
Poa bulbosa
Lowell Ahart
1987-5-6
Ahart 5561
Butte
On dry bare disturbed soil along the road, at the Poe Power House along the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap.
Comment
SEINET10655771
Poa epilis
Vernon H. Oswald, Lowell Ahart
1990-7-19
Oswald 4371
Butte
Slope on the south side of Philbrook Creek, ca. 3 miles east of Philbrook Reservoir, ca. 0.8 mile west of the Plumas County line. T25N R5E SW/S16. Red Fir Forest.
1966
Comment
CAS-BOT-BC236365
Poa secunda subsp. secunda
Lowell Ahart
1985-5-15
4996
Butte
1/8 mile E of the dirt road, about 1.5 miles NE of Concow Res.
800
Comment
CHSC93505
Poa secunda subsp. secunda
Lowell Ahart
2006-5-10
12615
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
CHSC31797
Pogogyne zizyphoroides
L. Ahart
1974-4-24
431
Butte
Peter Ahart Ranch, Honcut.
45
Comment
HSC66211
Pogogyne zizyphoroides
Jane A. Rogers
1979-4-17
13
Butte
Intersection of Hwy. 99E and Broyles Rd., 11 mi. N of Chico
55
Comment
RSA0022186
Pogogyne zizyphoroides
A. A. Heller
1938-4-22
15043
Butte
On U. S. Highway 99E, near the Cana road.
Comment
CHSC102423
Polygala cornuta var. cornuta
Lowell Ahart
2009-5-30
15776
Butte
On dry soil, on the south side 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, about 10 miles northeast of Chico.
369
Comment
JEPS87156
Polygala cornuta var. cornuta
Lowell Ahart
1992-8-2
6913
Butte
e of intersection about 1/2 mi n Flea Valley (about 4 1/2 (air) mi ne of Concow Reservoir)
1158
Comment
JEPS88567
Polygonum amphibium var. emersum
Vernon H. Oswald and Lowell Ahart
1996-5-27
7672
Butte
U.S. Fish and Wildlife parcel between 7 Mile Lane and Sacramento River (in a ditch between 7 Mile Lane and Tract 6, Sanctuary 2, just n of the equipment parking lot); Sacramento River National Wildlife Refuge, Llano Seco Unit
32
Comment
SEINET10479612
Polygonum amphibium var. stipulaceum
Mary Susan Taylor
1975-10-3
Taylor 925
Butte
At bridge over Little Chico Creek on River Road, ca. 10 mi W of Chico; Ripar ian Woodland disturbed area.
37
Comment
SEINET10479328
Polygonum arenastrum
Mary Susan Taylor
1982-4-28
Taylor 4373
Butte
T17N R1E se/ne sec 22. Pennington quad. Graylodge Waterfowl Refuge, around parking lot 5, ca. l mi s of HQ, ca. 12 mi sw of Gridley. 65 ft.
20
Comment
CHSC112725
Polygonum aviculare
Lowell Ahart
2013-10-26
19217
Butte
South side of Philbrook Creek, below the high water line (strand) of Philbrook Reservoir.
1681
Comment
CHSC94653
Polygonum aviculare
Lowell Ahart
2006-9-28
13372
Butte
On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel.
445
Comment
CHSC112247
Polygonum aviculare subsp. aviculare
Lowell Ahart
2013-4-29
18658
Butte
In corral at the barn, about 1/4 mile north of the Honcut Cemetary, about 3 1/4 miles (air) northeast of Honcut.
47
Comment
CAS-BOT-BC109132
Polygonum bidwelliae
A. A. Heller
1927-5-18
14391
Butte
Along Neale grade on road from Chico to Paradise.
Comment
CAS-BOT-BC109138
Polygonum bidwelliae
David D. Keck
1933-5-31
2470
Butte
Bridge crossin Mud Creek, 2.9 miles west of Richardson Springs.
Comment
CHSC103722
Polygonum bidwelliae
Lowell Ahart
2010-5-14
16658
Butte
In the tracks of an old Road, 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
SEINET10937590
Polygonum bidwelliae
Mary Susan Taylor
1980-5-31
Taylor 2769
Butte
T22N R4E sw sec 31. Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 2 mi SE of Paradise. With R.A. Schlising and L. Ahart.
442
Comment
SEINET10479639
Polygonum convolvulus
Lowell Ahart, Peter Ahart
1983-8-10
Ahart 4269
Butte
T18N R5E sec 14? Along La Porte Rd, ca. 4 mi ne of Bangor. Foothill Woodland; 350 m.
350
Comment
CAS-BOT-BC414416
Polygonum douglasii
H. F. Copeland
1920-7-24
18
Butte
Meadow by Colby Creek
1828
Comment
JEPS117421
Polygonum douglasii subsp. douglasii
Lowell Ahart
2010-9-28
17250
Butte
On damp soil, about 10 yards west of Big Kimshew Creek, under trees, 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 Philbrood Reservoir
1886
Comment
SEINET10479466
Polygonum hydropiper
Lowell Ahart
1983-9-17
Ahart 4437
Butte
T24N R4E section 34. Ca. 1/4 mi se of Stirling City. Yellow Pine Forest; 1100 m.
1100
Comment
SEINET10937571
Polygonum hydropiper
Lowell Ahart
1985-11-7
Ahart 5234
Butte
Lake Oroville, on the north side of the South Fork of the Feather River, about 200 yards north-west of the Ponderosa Dam.
Comment
SEINET10838777
Polygonum kelloggii
Mary Susan Taylor
1978-7-19
Taylor 1765
Butte
On E side of Upper Scotts John Road, ca. 3 mi N of its junction with Scotts John Road, ca. 7 mi E of Jonesville.
1890
Comment
CHSC44226
Polygonum minimum
V. Oswald; L. Ahart
1988-7-13
3581
Butte
Road to High Lakes e of Philbrook Reservoir. On drier margins of a seep on a steep outcropping of metasedimentary rock on the n side of the road.
1859
Comment
UC203615
Polygonum persicaria
A. A. Heller
1914-8-20
11690
Butte
about 5 mi s Pentz; Dry Creek
Comment
UC1594696
Polygonum polygaloides subsp. kelloggii
Lowell Ahart
1992-7-21
6804
Butte
Coon Hollow; sides of snow lake on s side, about 2 air mi ne of Philbrook Reservoir
1737
Comment
UC203871
Polygonum polygaloides subsp. kelloggii
A. A. Heller
1914-6-22
11490
Butte
Chico Meadows Sierra Nevada
1219
Comment
JEPS108863
Polygonum punctatum
Lowell Ahart
2006-10-8
13428
Butte
Mud flat, near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House
609
Comment
SD1351
Polygonum spergulariiforme
E. B. Copeland
1931-7-3
632
Butte
Jonesville, Colby Canyon
1550
Comment
POM22456
Polypodium californicum
E. B. Copeland
1902-12-29
2749
Butte
Chico Canyon
Comment
SEINET10530405
Polypodium californicum
Mary Susan Taylor
1979-12-25
Taylor 2309
Butte
T22N R2E sec 17. Abundant at base of rocky outcroppings, Fern Banks, opposite Chico Municipal Golf Course, Upper Bidwell Park, Chico.
91
Comment
SEINET10530415
Polypodium californicum
Mary Susan Taylor
1980-4-18
Taylor 2513
Butte
W side of Humbug Road, ca. 1 mi S of Nimshew. With J.D. Jokerst.
610
Comment
CHSC28414
Polypodium calirhiza
M. S. Taylor
1979-9-28
2181
Butte
Butte county line at Hwy 70, between boundry and Arch Rock tunnel.
487
Comment
CHSC30737
Polypodium calirhiza
M. S. Taylor
1980-5-27
2651
Butte
Near parking lot, Big Bald Rock, ca. 3 mi e of Lake Madrone.
975
Comment
CHSC34682
Polypodium calirhiza
M. S. Taylor
1980-4-1
2420
Butte
Along s side of Butte Creek, ca. 1/4 mi downstream from Honey Run Covered Bridge, ca. 6 mi e of Chico.
121
Comment
CHSC39843
Polypodium calirhiza
Maxey-Jones
1928-3-5
Butte
Iron Canyon.
Comment
RSA715711
Polypodium calirhiza
L. Ahart
2005-1-20
11472
Butte
West side of McCabe Creek, above the high water mark of Lake Oroville, about 1/4 mile soutj of the siphon. about 3 mi northeast of Hurleton, about 7 mi east of Oroville Dam.
305
Comment
CAS-BOT-BC76830
Polypodium glycyrrhiza
M. S. Taylor
1980-4-1
2420
Butte
Along S side of Butte Creek, ca. 1/4 mi downstream from Honey Run Covered Bridge, ca. 6 mi E of Chico.
121
Comment
CAS-BOT-BC233059
Polypogon interruptus
Lowell Ahart
1983-6-26
4110
Butte
Along Ponderosa Way, ca. 1/8 mile E of the intersection of the Oroville Quincy Highway and Ponderosa Way, ca. 15 miles NE of Oroville
500
Comment
CHSC47631
Polypogon interruptus
Lowell Ahart
1977-6-3
1400
Butte
At the water hole, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/2 miles east of Honcut, about 12 miles south of Oroville.
42
Comment
CHSC92552
Polypogon interruptus
Lowell Ahart
2005-12-11
12520
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
SEINET10602418
Polypogon interruptus
A. Arthur Heller
1914-5-19
Heller 11419
Butte
Hills 8 miles north of Oroville.
Comment
CAS-BOT-BC232574
Polypogon monspeliensis
Lowell Ahart
1980-7-29
2514
Butte
Along Forbestown Road
228
Comment
SEINET10508535
Polypogon viridis
Lowell Ahart, Peter Ahart
1983-7-29
Ahart 4237
Butte
T22N R6E sw sec 36. Ca. 0.5 mi e of Milsap Bar, ca. 25 mi ne of Oroville. Yellow Pine Forest; 500 m.
500
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
CHSC32751
Polystichum imbricans
M. S. Taylor
1981-4-14
3530
Butte
On s side of Ponderosa Way (Rim Rd.), ca. 2 mi n of Jarbo Gap on Hwy 70, ca. 20 air mi n of Oroville.
883
Comment
CHSC44607
Polystichum imbricans
Vernon Oswald
1982-11-14
15
Butte
Near Doon Campground, ca. 1 mi e of Lovelock (Skyway between Paradise and Stirling City).
853
Comment
CAS-BOT-BC72300
Polystichum imbricans subsp. imbricans
Lowell Ahart
1983-7-24
4213
Butte
on the road cutbank at the Forbestown Res., about 5 miles northeast of Forbestown
450
Comment
CHSC46982
Potamogeton foliosus var. foliosus
Vernon H. Oswald
1989-9-28
4022
Butte
Richardson Springs in the foothills ne of Chico. In a pool in the bed of the East Branch of Mud Creek just above the falls.
213
Comment
CAS-BOT-BC453700
Potamogeton illinoensis
Lowell Ahart
1977-9-8
s.n.
Butte
Peter Ahart Ranch, Honcut. In North Honcut Creek.
50
Comment
CHSC43803
Potamogeton natans
Vernon Oswald
1987-7-29
3168
Butte
Southwestern most lake in a cluster of three located in the se/S6, ca. 0.5 mi (air) s of Coon Hollow Rd. and 2.5 mi (air) n of Philbrook Reservoir.
1752
Comment
CHSC48857
Potentilla anglica
Vernon Oswald
1987-5-25
2922
Butte
Butte Creek Reserve on the se side of Butte Creek ne of Hwy 99, downstream from the dam for the Durham Mutual Ditch. Along the edge of the stream.
68
Comment
CHSC12001
Potentilla gracilis var. fastigiata
E. B. Copeland
1929-7-24
372
Butte
Jonesville.
1550
Comment
UC481577
Potentilla millefolia
H. F. Copeland
1931-6-11
1535
Butte
Butte Creek Meadows , Jonesville
1828
Comment
CHSC113324
Potentilla rivalis
Lowell Ahart
2014-5-21
19527
Butte
South bank of river, where Sucker Creek flows into the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam.
249
Comment
JEPS122064
Potentilla rivalis
Lowell Ahart
2014-5-21
19527
Butte
South bank of river, where Sucker Creek flows into the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam.
Comment
CHSC28731
Proboscidea louisianica
M. Banchero; R. Schlising, R. Banchero
1979-9-23
45
Butte
SW of Chico, along Ord Ferry Road, 3.7 mi W of jct Ord Ferry and Goodspeed--Watt Roads (= Dayton Four Corners).
Comment
CHSC13708
Proboscidea lutea
M. S. Taylor; K. Stern
1974-10-11
328
Butte
Scarce in weed field ca. 50 yds e of River Rd, opposite washout on Sacramento River, ca. 10 mi w of Chico.
Comment
CHSC43835
Prunella vulgaris var. lanceolata
L. P. Janeway
1987-6-19
2226
Butte
Along Sly Cr where rd from Challenge-LaPorte Rd rd to SE side of Sly Cr Reservoir crosses; 2.1 mi from the Challenge-LaPorte Rd.
1097
Comment
CHSC52063
Prunella vulgaris var. lanceolata
B. Castro; P. Broyles, R. A. Schlising, L. P. Janeway
1987-7-19
148
Butte
0.95 mi into Coon Hollow below Campground, by edge of Coon Creek and on edge of adjacent meadow.
1664
Comment
UC139772
Prunella vulgaris var. lanceolata
Mrs. R. M. Austin
July 1896
566
Butte
Colby
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
UC478508
Prunus emarginata
E. B. Copeland
1931-7-28
650
Butte
w of North Willow Creek (Jonesville); Jonesville
1650
Comment
CHSC97356
Prunus virginiana var. demissa
Paul Maslin
2005-5-5
51
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). UTM: 106100198E 4411262N.
268
Comment
CHSC88073
Pseudognaphalium californicum
R. D. Fischer
2004-6-6
159
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located just within park property at the 10 Mile House Road parking area off Hwy 32, on ridge top.
464
Comment
CHSC21054
Pseudognaphalium luteoalbum
M. S. Taylor
1975-4-25
503
Butte
On Cohassett Hwy, ca. 1/2 mi n of Horse trough, ca. 20 mi ne of Chico.
Comment
CAS-BOT-BC357235
Pseudognaphalium microcephalum
Lowell Ahart
1988-9-4
6176
Butte
A little north of a branch of Last Chance Creek, about 1 mile west and a little north of Bald Mountain
1005
Comment
UCD149980
Pseudognaphalium stramineum
E. Littrell
1972-5-8
s.n.
Butte
Gray Lodge Wildlife Area.
Comment
CHSC41999
Pseudognaphalium thermale
Lowell Ahart
1975-9-4
973
Butte
Along the South Fork of the Feather River, about 1/2 mile north of the Golden Trout Crossing, about 15 miles north of Feather Falls.
762
Comment
CHSC46923
Pseudognaphalium thermale
Lowell Ahart
1980-7-29
2493
Butte
Along the edge of Swedes Flat Road, about 1 1/2 miles east of the Bangor Oroville, Highway, near Bangor.
304
Comment
POM36283
Psilocarphus oregonus
C. C. Bruce
1897-06
2113
Butte
Chico
Comment
CHSC46966
Psilocarphus tenellus var. globiferus
Lowell Ahart
1979-5-11
1867
Butte
In a grain field, Peter Ahart Ranch, about 2 miles north and 3/4 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC35075
Pterospora andromedea
R. A. Schlising
1980-7-25
3919
Butte
Along Humboldt Road, 1.9 mi NE of jct with Hwy 32 at Lomo.
1356
Comment
UCD117755
Pterospora andromedea
E. B. Copeland
1931-7-15
668
Butte
Jonesville.
1550
Comment
SEINET10452826
Punica granatum
Mary Susan Taylor
Taylor 779
Butte
Weedy or cultivated plants of Chico.
61
Comment
CHSC97336
Pycnanthemum californicum
L. P. Janeway
2007-8-6
9152
Butte
Northern High Sierra Nevada. Plumas National Forest; Hughes Place, at head of eastern side drainage of Chino Creek and near head of Jack Creek, at break between Chino Ridge and Swayne Hill; 3.5 km north of mouth of French Creek at North Fork Feather River arm of Lake Oroville. At an old abandoned farm or small lumber mill pond in an opening in mixed conifer forest. Large patch of this on slope next to east side of pond.
776
Comment
CAS-BOT-BC462606
Pyrola dentata
E. B. Copeland
1931-7-15
669
Butte
Jonesville
1700
Comment
CHSC27200
Pyrus
P. Moyer
1971-2-1
84
Butte
CSUC Campus. E face of Bus.-Soc. Sci. Bldg.
60
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
JEPS119539
Quercus X morehus
Lowell Ahart
2012-4-20
17894
Butte
About 100 yards west of the intersection of Ten Mile House Road and South Rim Trail, about 5/8 mile west of Highway 32, about 9 miles (air) northeast of Chico.
Comment
UC2026893
Quercus acutissima
Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-10
18001
Butte
On the west side of the horse path, about 20 yards north of the paved park road, west of the old walnut orchard, south Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico.
Comment
UC1135513
Quercus berberidifolia
J. E. Sowder, C. G. Albertus
1933-6-26
94
Butte
1 mi ne Nelson's Bar; Chico Quad.
457
Comment
CHSC108976
Quercus chrysolepis
Lowell Ahart
2012-4-30
17930
Butte
On the south side of South Rim Trail, about 1/2 mile southwest of the old homestead, pond, and Ten Mile House road, about 3/4 mile west of Highway 32, about 8 miles northeast of Chico, south part of Upper Bidwell Park.
269
Comment
CHSC20506
Quercus chrysolepis
M. S. Taylor
1975-5-2
549
Butte
Ca. 1/4 mi w of Cohasset Rd, ca. 21 mi ne of Chico.
1036
Comment
CHSC39794
Quercus chrysolepis
Eloise Gallatin
1935-5-19
Butte
Feather River Canyon.
Comment
CHSC104826
Quercus douglasii
Lowell Ahart
2010-6-1
16762
Butte
On the north side of the Guardians Trail, about 1/8 mile west of the power lines, Upper Bidwell Park, about 1 3/4 miles (air) east of Chico.
172
Comment
CHSC38446
Quercus douglasii
Vernon Oswald
1983-5-21
514
Butte
Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake.
152
Comment
SFV8712
Quercus douglasii
K. Corson
1969-4-6
26
Butte
Upper Park Road of Big Chico Canyon, 8 miles northwest of Chico.
Comment
SEINET13953256
Quercus dumosa
A. A. Heller
1916-1
12650
Butte
Ten mile house east of Chico in the digger pine belt in thin red clay soil, the rocks igneous.
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
UCD169291
Quercus garryana var. breweri
L. P. Janeway; B. Castro
2006-5-7
8576
Butte
Top of serpentine area southeast of the east end of Hollywood Road, upper Magalia; more or less overlooking Little Butte Creek about 600 m north-northwest of the upper end of Magalia Reservoir.
759
Comment
CHSC3160
Quercus kelloggii
Dona Kingsford
1966-4-23
Butte
11.1 miles SW of Hooker Oak Tree. Chico.
Comment
SACT002720
Quercus vacciniifolia
Mary Johnson
1934/08/00
Butte
Showing insect galls.
1500.0
Comment
CHSC4566
Ranunculus aquatilis var. capillaceus
C. Glascock
1965-1-27
202
Butte
In water. Near w boundary of Cuager property, 2723 Oro-Quincy Hwy, Oroville.
Comment
CAS-BOT-BC379114
Ranunculus aquatilis var. diffusus
E. B. Copeland
1929-7-28
360
Butte
Jonesville
1500
Comment
UCD95868
Ranunculus aquatilis var. diffusus
M. S. Taylor; L. Ahart
1981-8-15
4183
Butte
in and along West Branch Feather River, 3.4 miles SW of Snag Lake, ca. 11 miles NE of Stirling City.
1615
Comment
CHSC118055
Ranunculus arvensis
Daphne K. Christopher; Hannah Stevens, Lowell Ahart
2003-4-21
227
Butte
Off Hwy 99. Ahart Family Ranch along boundary on access road and edge of field.
41
Comment
CHSC52819
Ranunculus arvensis
R. A. Schlising; F. J. Fuller
1982-5-2
4238
Butte
N of Oroville, ne Table Mt., and s of Cherokee, off Cherokee Road. Roadside ditch.
426
Comment
CAS-BOT-BC378989
Ranunculus arvensis
1976-4-16
s.n.
Butte
Humbug Road, at Chico
Comment
CDA3502
Ranunculus arvensis
Sterling O. Mattoon
1971-4-24
Butte
State Highway 32, 6.9 miles east of Chico.
0
Comment
SD129646
Ranunculus bonariensis var. trisepalus
Barbara Ertter, Lowell Ahart
1986-4-13
5901
Butte
ca 2 airmiles NNE of Honcut between Oroville and marysville, Peter Ahart Ranch
29
Comment
CHSC52948
Ranunculus canus
Vernon Oswald
1983-2-14
73
Butte
Upper Bidwell Park, Chico, on the s side of Upper Park Rd. about 0.7 mi e of the power lines.
115
Comment
CHSC52791
Ranunculus flammula
R. Preston; R. A. Schlising
1982-8-26
4371
Butte
N part of county, at Coon Hollow, n of Philbrook Reservoir. In margin of small lake.
1755
Comment
RSA754585
Ranunculus hebecarpus
L. Ahart
2009-4-22
15592
Butte
W side of Guardians Trail, about 100 yards N of Pine Trail, Upper Bidwell Park, W of the intersection of Highway 32 and Ten Mile House Road, about 10 miles NE of Chico.
382
Comment
HSC72759
Ranunculus hystriculus
M. S. Taylor, Timothy B. Devine, M. Merryman
1981-2-11
3382
Butte
50 ft. E of Lumpkin Rd., on N slope of Macabes Creek, 2 mi. N of junction of Lumpkin Rd. and Hwy 162, 13 mi. NE of Oroville
457
Comment
POM99305
Ranunculus hystriculus
C. C. Bruce
1897-02
1891
Butte
Little Chico.
Comment
JEPS84920
Ranunculus muricatus
Barbara Ertter with Lowell Ahart
1986-4-13
5888
Butte
ca 2 air mi nne Honcut (between Oroville and Marysville); Peter Ahart Ranch
30
Comment
UC600474
Ranunculus occidentalis
H. F. Copeland
1930-7-25
Butte
So. Willow Creek Jonesville
1828
Comment
RSA268750
Ranunculus occidentalis var. ultramontanus
Lyman Benson
1932-7-28
3968
Butte
First summit, Oroville-Quincy. Sierra Nevada Range, Feather River watershed.
1829
Comment
CHSC41522
Ranunculus orthorhynchus var. orthorhynchus
Kirsten Tarp
1983-7-31
320
Butte
E of Snag Lake; in meadow.
1731
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
CHSC11812
Ranunculus populago
E. B. Copeland
1930-6-25
640
Butte
Jonesville.
1500
Comment
CHSC43545
Ranunculus sceleratus
Lowell Ahart
1982-5-10
3432
Butte
In our rice field, Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
38
Comment
CHSC52695
Ranunculus uncinatus var. parviflorus
Kirsten Tarp
1982-7-28
233
Butte
Near Pulga.
731
Comment
CHSC38048
Raphanus raphanistrum
R. E. Preston
1983-1-9
378
Butte
On levee of irrigation ditch, w side of Aguas Frias Rd ca. 0.9 mi n of Richvale Rd, ca. 6 mi w of Richvale.
27
Comment
CAS-BOT-BC59570
Rhamnus
John Thomas Howell
1975-6-15
51118
Butte
Sierra Nevada - Paradise - Skyway near Billie Road
609
Comment
CAS-BOT-BC59877
Rhamnus ilicifolia
John Thomas Howell; Gordon H. True
1966-7-13
41868
Butte
Brush Creek Canyon grade on Cherry Hill Road.
1645
Comment
CAS-BOT-BC59883
Rhamnus ilicifolia
A. A. Heller
1915-4-20
11847
Butte
2 mi. below Centerville in the Sierra Foothills.
Comment
UC1121842
Rhamnus ilicifolia
J. E. Sowder
1933-11-27
132
Butte
near Hog Spring; Chico Quad.
243
Comment
UC175332
Rhamnus purshiana
A. A. Heller
1913-6-7
10821
Butte
near Stirling; West Branch of the North Fork of Feather River
914
Comment
UC80127
Rhamnus rubra
Mrs. M. Austin
Jun 1896
642
Butte
n of Chico (Forest Ranch and mountains)
Comment
SEINET10493611
Rhamnus rubra subsp. obtusissima
Mary Susan Taylor
1980-5-8
Taylor 2601
Butte
T24N R3E e half nw sec 33. Paradise quad. Ca. 3 mi N of Forest Ranch, ca. 1 mi E of Hwy 32; area soon to be deve loped; Yellow Pine Forest.
853
Comment
CHSC1526
Rhamnus tomentella subsp. tomentella
L. Stone
1930-4-20
Butte
Lower Big Chico Creek canyon.
121
Comment
CHSC33718
Rhamnus tomentella subsp. tomentella
M. S. Taylor
1981-4-8
3505
Butte
Serpentine ridge on n side of logging landing site just w of power lines, off logging road ca. 0.5 mi w of its jct with Ponderosa Way, ca. 5 mi n of its jct with Hwy 70 at Jarbo Gap.
883
Comment
RSA726311
Rhynchospora capitellata
L. Ahart, L. P. Janeway, L. Hanson
2007-7-10
14278
Butte
About 250 yards east of Bean Creek Road, northeast of Little Bald Rock, about 16 miles (air) northeast of Oroville.
1025
Comment
SEINET10482917
Ribes amarum
Mary Susan Taylor
1980-4-18
Taylor 2505
Butte
T23N R3E ne sec 27 Paradise quad. Ca. 1 mi S of Nimshew, ca. 1/4 mi E of Nimshew Road; Yellow Pine Forest. With J.D. Jokerst.
610
Comment
LA205411
Ribes cereum
E. B. Copeland;
1931-6-11
sn
Butte
Kirby's Meadow, Jonesville
1800.0
Comment
CAS-BOT-BC212666
Ribes nevadense
Mrs. J. H. Morrison
1927-7-2
1591
Butte
Mountains above Durham
Comment
CHSC11904
Ribes roezlii
E. B. Copeland
1931-5-9
648
Butte
Jonesville.
1500
Comment
CAS-BOT-BC173954
Ribes viscosissimum
A. A. Heller
1915-6-26
12032
Butte
Summit of the Sierra Nevada above Jonesville
2133
Comment
SEINET13942866
Ribes viscosissimum
A. A. Heller
1915-1
12032
Butte
Summit of the Sierra Nevada above Jonesville, elevation 7000 feet, on the summit of a ridge about rocks.
2134
Comment
CHSC76515
Ricinus communis
Vernon H. Oswald
1999-11-14
9840
Butte
Near the southwest corner of the Chico Sewage Treatment Plant on Chico River Rd. Rancho de Farwell.
39
Comment
CAS-BOT-BC362953
Rigiopappus leptocladus
John Thomas Howell
1962-6-16
37594
Butte
Feather River West Branch sw. of Nelson Bar
304
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
CHSC45291
Robinia pseudoacacia
Vernon Oswald
1987-4-22
2339
Butte
Butte Creek Reserve on the n side of Butte Creek e of Hwy 99.
68
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
JEPS115290
Romulea rosea var. australis
Lowell 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
33
Comment
CHSC11077
Rorippa curvisiliqua var. occidentalis
Lowell Ahart
1970-4-20
Butte
Earnist Bevan Farm, near Honcut.
45
Comment
CHSC90958
Rorippa curvisiliqua var. occidentalis
Lowell Ahart
2005-4-18
11741
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
CHSC36686
Rorippa curvisiliqua var. orientalis
R. E. Preston; L. E. Preston
1982-7-20
344
Butte
Bed of stream; in meadow, ca. 1 mi s of Humbug Summit, ca. 4 1/2 miles ese of Jonesville.
1950
Comment
CHSC69715
Rorippa curvisiliqua var. orientalis
Lowell Ahart
1997-10-24
7937
Butte
About 200 yards north of the South Fork of the Feather River and on the east side of Sucker Creek, strand of Lake Oroville, about 1/4 mile west of the Ponderosa Dam.
274
Comment
CHSC98956
Rorippa curvisiliqua var. orientalis
Lowell Ahart
2008-5-12
14730
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
CHSC48342
Rorippa palustris var. hispida
Vernon Oswald
1987-6-5
2955
Butte
East side of Sacramento River just n of Golden State Island (perhaps now technically in Glenn County because of shifting channel).
33
Comment
CHSC43212
Rosa bridgesii
L. P. Janeway
1987-6-19
2240
Butte
Side ravine south from Sly Cr; 1.6 mi from the Challenge-LaPorte Rd along the road to the SE side of Sly Cr Reservoir.
1097
Comment
POM365846
Rosa bridgesii
M. M. Boney
1897-1
1724
Butte
[No location information provided.]
Comment
CHSC43214
Rosa gymnocarpa
L. P. Janeway
1987-5-28
2115
Butte
Along spur road from Coyote Gap to the F.S. Station.
1325
Comment
CHSC106059
Rosa multiflora
Lowell Ahart; Susan Mason, Josephine Guardino
2010-8-6
17042
Butte
In landscaping, at Five Mile Recreation Area, Bidwell Park, Chico.
74
Comment
CHSC116569
Rosa multiflora
B. Castro
2016-4-15
2131
Butte
Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek, ca -.4 mi downstream (W) of its crossing under the Cohasset Hwy bridge. At moist lowest edge of bank on N side of channel, near a large cottonwood tree roughly opposite the confluence of Dry Creek.
55
Comment
UC1562359
Rosa pisocarpa
Vernon Oswald and Lowell Ahart
1990-7-5
4346
Butte
camping area on creek along F-line Butte Creek (0.4 mi sw of Humboldt Rd, ca 1.5 mi wsw of Butte Meadows)
1316
Comment
CHSC27239
Rosmarinus officinalis
P. Moyer
1971-9-26
10
Butte
CSUC Campus. SE corner of cafe annex.
60
Comment
CAS-BOT-BC274228
Rostraria cristata
Lowell Ahart
1977-5-21
1511
Butte
Peter Ahart Ranch, Honcut
50
Comment
CAS-BOT-BC274231
Rostraria cristata
A. A. Heller
1902-5-13
5534
Butte
Grade between Clear Creek and Paradise
Comment
CHSC60996
Rotala ramosior
Lowell Ahart
1993-6-13
6959
Butte
On the bottom of a deep wash, Peter Ahart Ranch, about 2 1/2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
33
Comment
UC1586509
Rotala ramosior
Vernon H. Oswald and Lowell Ahart
1991-8-28
4849
Butte
3.5 mi nw of Biggs (Rice Experimeent Station on s side of Highway 162); Rice Experimeent Station, Highway 162
30
Comment
POM366458
Rubus discolor
L. Ahart, P. Ahart
1984-6-10
4716
Butte
About 2 miles SW of Forbestown Diversion Dam. NE of Forbestown.
700
Comment
CAS-BOT-BC147106
Rubus glaucifolius
A. A. Heller
1914-7-23
11618
Butte
On the borders of Chico Meadows
1219
Comment
CAS-BOT-BC148351
Rubus laciniatus
Clarence R. Quick
1962-8-19
62 -81
Butte
Coyote Gap-Four Trees Road, Plumas National Forest
Comment
CAS-BOT-BC148368
Rubus leucodermis
Lowell Ahart
1985-7-9
5120
Butte
Along the dirt road, about 1/4 mile south of the bridge across Fall River, east of Fall River, about 1/2 mile west of Lumpkin Ridge Road, about 2 1/2 miles north-east of Camp 18, about 9 miles north-est of Feather Falls
914
Comment
CAS-BOT-BC147200
Rubus parviflorus
E. B. Copeland
1930-7-16
419
Butte
Jonesville
1600
Comment
CHSC44231
Rubus pensilvanicus
Vernon Oswald
1988-6-30
3541
Butte
Hwy 32, 1.1 mi s of Lomo at the 35.9 mile post.
1146
Comment
UCD89070
Rubus pensilvanicus
Lindsay Clark
2008-5-30
BWP 19
Butte
Bidwell Park in Chico, off of parking lot H (Day Camp), follow Yahi trail southwest. Next to creek.
88
Comment
POM91605
Rubus vitifolius
C. C. Bruce
1898-05
1793
Butte
One valley, two mountains.
Comment Read comments Mar 5 2011
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
POM261228
Rudbeckia occidentalis
E. B. Copeland
1939-8-7
s.n.
Butte
Jonesville.
Comment
CHSC42974
Rumex acetosella
Lowell Ahart
1987-7-8
5802
Butte
Along Big Bar Mountain Road, about 3 miles south-west of Coyote Gap, south-east of Pulga.
1280
Comment
CHSC99475
Rumex acetosella
Lowell Ahart
2008-6-13
14831
Butte
About 5 yards north of Oregon Gulch, about 50 yards west of the road culvert across Oregon Gulch, bottom of an old gold mined area, about 150 yards south of the cemetery, about 10 miles (air) northeast of Oroville.
305
Comment
CAS-BOT-BC421911
Rumex acetosella
Javier Penalosa
1962-6-18
2460
Butte
Near confluence of French and Peavine Crks.
609
Comment
UCD101106
Rumex conglomeratus
W. R. Powell
1968-5-6
1480
Butte
1.8 miles north-northeast of Bangor.
342
Comment
JEPS127063
Rumex crispus
Lowell Ahart
2016-5-14
20827
Butte
About 100 yards north of the waterhole, Peter Ahart Ranch, about 1 3/4 miles north and 2 3/4 miles east of Honcut, about 11miles (air) southeast of Oroville.
Comment
CAS-BOT-BC421619
Rumex crispus
Lowell Ahart
1979-6-2
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
CHSC103944
Rumex pulcher
Lowell Ahart
2010-5-22
16717
Butte
About 140 yards east of the fence, about 240 yards east of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
392
Comment
CHSC39342
Rumex pulcher
Lowell Ahart
1983-6-26
4145
Butte
Around a small meadow along Ponderosa Way, about 1/2 mile south of the East Fork of Canyon Creek, about 13 1/2 miles north-east of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way.
550
Comment
JEPS114700
Rumex salicifolius var. salicifolius
Lowell Ahart
2008-6-13
14832
Butte
on the bottom of Oregon Gulch, about 50 yds W of the road culvert across Oregon Gulch, about 150 yds S of the cemetery, about 10 mi (air) NE of Oroville
305
Comment
CAS-BOT-BC434166
Rumex triangulivalvis
John Thomas Howell
1962-6-16
37563
Butte
Magalia
731
Comment
CHSC45579
Sagina apetala
Lowell Ahart
1980-5-4
2215
Butte
About 150 feet south-west of the intersection of Forbestown Road and Hurleton Swedes Flat Road, about 1/2 mile south-east of Hurleton.
548
Comment
CHSC98975
Sagina decumbens subsp. occidentalis
Lowell Ahart
2008-5-12
14732
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
CHSC112722
Sagina saginoides
Lowell Ahart
2013-10-26
19211
Butte
On the south side of Philbrook Creek, below the high water line (strand) of Philbrook Reservoir.
1681
Comment
CHSC51375
Sagittaria latifolia
Vernon Oswald; Mary Bailey
1990-8-23
4442
Butte
Durham Mutual Ditch just south of Butte Creek, ca. 0.25 mi north of Hwy 99 in south Chico.
67
Comment
UC935746
Sagittaria latifolia
Herbert L. Mason and Verne Grant
1946-8-14
13020
Butte
Butte Sink; canal near big pond on Sacramento Outing Club
Comment
RSA69605
Sagittaria latifolia
F. W. Peirson
1926-6-20
6759
Butte
Banks of Sacramento River, 5 miles west of Chico.
Comment
CHSC52143
Sagittaria longiloba
L. P. Janeway
1988-6-12
2758
Butte
Corner of rice field near jct of hwy 162 and Midway; 2 mi S of Richvale.
28
Comment
CAS-BOT-BC445808
Sagittaria montevidensis
C. Epling; Wm. Robison
1935-7-27
s.n.
Butte
Near Chico
Comment
CHSC93977
Salix exigua
R. D. Fischer
2004-6-20
772
Butte
Sierra Nevada Mountains, north-east corner of Butte County and ca. 4 miles north of Butte Meadows off Scout Road. Boy Scout Camp. Along water edge at south end of pond.
1371
Comment
JEPS107367
Salix exigua
Lowell Ahart
2005-4-14
11709
Butte
East of the railroad tracks, north of Spruce Street, Gridley
28
Comment
SEINET10965409
Salix exigua
Mary Susan Taylor
1982-5-22
Taylor 4498
Butte
T17N R1E se/se sec 3. Pennington quad. Graylodge Wildlife Refuge, Riparian Woodland at end of West Liberty Rd, ca. 12 mi sw of Gridley. 63 ft.
19
Comment
CHSC9693
Salix exigua var. exigua
E. L. Smith
1971-9-12
1065
Butte
On Big Chico Creek at Bidwell Park in Chico.
Comment
UC437339
Salix exigua var. hindsiana
W. P. Taylor
1912-6-6
Butte
4 mi se Chico (Butte Creek)
Comment
CHSC108871
Salix gooddingii
Lowell Ahart
2012-3-23
17794
Butte
Spring like area at the old homestead, about 30 yards southwest 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.
259
Comment
UC176210
Salix laevigata
A. A. Heller
1913-4-4
10694
Butte
levee at Oroville
Comment
LA208811
Salix lasiandra
E. B. Copeland;
1931-6-10
619
Butte
Jonesville
1500.0
Comment
CAS-BOT-BC125181
Salix lasiandra var. lasiandra
Lowell Ahart
1982-5-8
3408 A
Butte
Near Forbestown Reservoir
800
Comment
JEPS107338
Salix lasiandra var. lasiandra
Lowell Ahart
2005-4-2
11695
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
CHSC65014
Salix lasiolepis
Vernon Oswald
1987-4-22
2342
Butte
Butte Creek Reserve between the creek and Durham Mutual Ditch, NE of Hwy 99.
68
Comment
CHSC7061
Salix lasiolepis
Lynn R Thomas
1969-5-8
112
Butte
Bidwell Ave., 0.15 mi e of Rose Ave. bridge, Chico.
60
Comment
HSC104023
Salix lasiolepis
L. Ahart
2012-2-22
17750
Butte
About 9 air mi. NE of Chico, ~ 5/8 mi. W of Hwy. 32, edges of the pond at the old homestead
259
Comment
JEPS119783
Salix lasiolepis
Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-10
18005
Butte
South of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico.
Comment
CAS-BOT-BC129578
Salix lasiolepis var. lasiolepis
A. A. Heller
1913-4-5
10695
Butte
Hills, north side of the Feather River above Oroville
Comment
CHSC9695
Salix lasiolepis var. lasiolepis
E. L. Smith
1971-9-12
1067
Butte
On Big Chico Creek at Bidwell Park in Chico.
Comment
UC600412
Salix lemmonii
E. B. Copeland
1931-5-9
Butte
Jonesville
1500
Comment
SBBG27414
Salix ligulifolia
E. B. Copeland
1931-6-9
Butte
Jonesville, near head of N Willow Crk
1550
Comment
CHSC42542
Salix lucida subsp. lasiandra
Lowell Ahart
1987-5-22
5684
Butte
About 1/8 mile north-east of Camp 18, about 6 1/2 miles north-east of Feather Falls.
1219
Comment
CHSC46407
Salix lucida subsp. lasiandra
Lowell Ahart
1989-5-29
6317
Butte
Along the gravel road to the Forbestown Reservoir, about 1 1/2 miles north-east of Forbestown Road, about 3 miles north-east of Forbestown.
792
Comment
CHSC42544
Salix melanopsis
Lowell Ahart
1987-5-6
5539
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
274
Comment
CHSC59109
Salvia sonomensis
L. P. Janeway; B. Castro
1992-5-3
4155
Butte
Forest Ranch, 1 1/2 mi south of Platte Mtn; junction of Headwaters Road and Homeplace Loop (just off Hwy 32).
960
Comment
CHSC3773
Sambucus mexicana
R. L. Adams
1964-4-12
75
Butte
Found 1/4 mile S of junction of River road and highway 32 on E. side of road next to a barn.
Comment
RSA755771
Sambucus mexicana
L. Ahart
2009-5-30
15807
Butte
East side of Guardians Trail, about 50 yards northeast of Pine Trail, Upper Bidwell Park, about 3/8 air mile southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
412
Comment
UC1575631
Sambucus mexicana
Dr. Edward Palmer
Jun 7 1892-Jun 12 1892
2095
Butte
near Chico
Comment
SEINET12319556
Sambucus mexicana
Unknown
1977-1
25
Butte
ca.2 mi NW of Chico on W side of Hwy99. Richardson Springs Quadrangle
Comment
CHSC50544
Sambucus racemosa var. microbotrys
Vernon Oswald; Lowell Ahart
1990-6-20
4309
Butte
South side of Philbrook Creek, ca. 0.5 mi west of the Butte-Plumas county line, between Philbrook Reservoir and Carr Mine.
1965
Comment
CHSC4020
Sanicula bipinnatifida
E. P. Parreno
1967-4-3
Butte
Tabletop Mountain.
Comment
SEINET10939830
Sanicula crassicaulis
Lowell Ahart
1984-4-3
Ahart 4540
Butte
T17N R4E sec 1. Along North Honcut Creek, ca. 1 mile N and 2.7 miles E of Honcut; on Peter Ahart Ranch. Foothill Woodland; 50 m.
50
Comment
UC875484
Sanicula graveolens
A. A. Heller
1917-7-29
12856
Butte
summit above Jonesville
2133
Comment
CHSC11874
Sanicula tuberosa
E. B. Copeland
1929-7-20
389
Butte
Jonesville.
1550
Comment
CHSC83902
Sanicula tuberosa
Lowell Ahart
2003-4-15
10101
Butte
Slopes of Beatson Hollow, southwest of drainage entering Beatson Hollow, about 1 1/4 miles northwest of the iron gate and fence, northwest of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
284
Comment
UCR66432
Sanicula tuberosa
H. F. Copeland
1931-6-9
1524
Butte
Jonesville, near Jones Creek
1529
Comment
SEINET10454590
Sanicula tuberosa
Mary Susan Taylor
1981-3-31
Taylor 3461
Butte
T23N R4E center sec 36. Pulga SW quad. S side of Ponderosa Way (Rim Rd), ca. 1/4 mi se of its jct with Concow Rd, ca. 20 air mi n of Oroville; 3200 ft.
975
Comment
CHSC43659
Sapium sebiferum
Vernon Oswald
1987-7-8
3098
Butte
Butte Creek Reserve, on the north side of Butte Creek east of the Skyway, east of Chico. On the edge of the creek.
73
Comment
CHSC42388
Saponaria officinalis
Lowell Ahart
1987-6-9
5725
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
CHSC43274
Saponaria officinalis
Lowell Ahart
1987-8-30
5864
Butte
On gravel bars along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
UC478456
Sarcodes sanguinea
John Copeland
1931-7-1
671
Butte
Jonesville
1550
Comment
CHSC62566
Satureja douglasii
B. Castro; J. Jurewicz
1993-7-8
476
Butte
Ca 1.6 mi S of Brush Creek via Bald Rock Rd, at head of drainage basin on W-facing slope.
975
Comment
UC1594731
Saxifraga bryophora
Lowell Ahart
1992-7-26
6857
Butte
about 1/4 mi ne of the Carr Mine (about 2 air mi se of Snow Mountain)
1798
Comment
RSA715723
Saxifraga integrifolia
L. P. Janeway
2005-3-1
8336
Butte
Cascade Range Foothills. East edge of city of Chico; north side of Humboldt Rd. 1.8 km northeast of Bruce Road.
134
Comment
CHSC45886
Scandix pecten-veneris
Lowell Ahart
1974-4-11
371
Butte
Near North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
CHSC85710
Schoenoplectus mucronatus
G. F. Hrusa; T. D. Wilfred
1996-9-5
13563
Butte
Butte Basin. In rice fields adjacent to Durnel Road north of Nelson Rd. [Lat./Long. on label is '39 degrees 34' N; 121 degrees 39' W'].
33
Comment
CAS-BOT-BC111832
Schoenoplectus tabernaemontani
John Thomas Howell
1961-9-22
36724
Butte
Bank of Feather River, Oroville.
53
Comment
UC1100774
Scirpus acutus var. occidentalis
Herbert L. Mason, Verne Grant
1946-8-14
13031
Butte
canal near big pond on Sacramento Outing Club (Butte Sink); Butte Sink
Comment
CHSC56794
Scirpus congdonii
L. P. Janeway; R. A. Schlising
1988-7-22
3066
Butte
Upper canyon of Philbrook Creek, 0.7 mi west of the pass.
1889
Comment
CAS-BOT-BC30730
Scirpus diffusus
L. P. Janeway; C. A. Janeway
1986-9-13
1847
Butte
Just east of Scotts John Creek, above Road 26N27 and across from small side road.
1737
Comment
CAS-BOT-BC5833
Scirpus diffusus
E. B. Copeland
1929-7-19
343
Butte
Jonesville
1550
Comment
CHSC11928
Scirpus diffusus
E. B. Copeland
1929-7-19
343
Butte
Jonesville.
1550
Comment
UC600702
Scirpus diffusus
H. F. Copeland
1928-8-17
1072
Butte
Jonesville
1524
Comment
SEINET7546616
Scirpus diffusus
E. B. Copeland
1929-1
343
Butte
Jonesville
472
Comment
SEINET10467275
Scirpus koilolepis
Lowell Ahart, Peter Ahart
1983-6-12
Ahart 4048
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
CHSC103745
Scribneria bolanderi
Lowell Ahart
2010-5-22
16714
Butte
About 140 yards east of the fence, about 240 yards east of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
392
Comment
JEPS115817
Scribneria bolanderi
Lowell Ahart
2009-4-26
15632
Butte
About 10 miles northeast of Chico, Upper Bidwell Park about 1/4 mile west of the intersection of Highway 32 and Ten Mile House Road, on the east side of Ten Mile House Road, just northeast of Guardians Trail
381
Comment
CHSC42832
Scutellaria californica
L. P. Janeway
1987-5-20
2074
Butte
Along hwy 70 1.7 mi NE of Pulga bridge; N Fk Feather River at Poe Dam.
472
Comment
RSA718334
Scutellaria californica
L. Ahart
2006-6-9
12658
Butte
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 2.75 miles (air) southwest of Pulga.
386
Comment
CHSC42834
Scutellaria siphocampyloides
L. P. Janeway
1987-5-20
2069
Butte
Turnout and overgrown seep area on east side of hwy 70 just S of the 'rockhouse' and 0.5 mi S of Jarbo Gap.
670
Comment
RSA445330
Scutellaria siphocampyloides
M. M. Boney
1897-1
1724
Butte
[No location information on label.]
Comment
CHSC796
Scutellaria tuberosa
M. Davidson
1929-3-22
Butte
Near Paradise.
457
Comment
CHSC6149
Secale cereale
E. Parreno
1968-5-10
91
Butte
Vacant lot bordered by Lindo Channel and Manzanita Ave. and opposite to area bounded by Calcewood Way and Ceanothus Ave., Chico.
59
Comment
CHSC30874
Sedella pumila
J. D. Jokerst
1979-4-2
1174
Butte
Top of North Table Mt, ca 200 m S of Cherokee Rd where it intersects the E edge of section 17.
396
Comment
CHSC39596
Sedella pumila
Lowell Ahart
1983-4-10
3932
Butte
About 1/2 mile north-east of Highway 99 and Pentz Road.
65
Comment
CHSC84128
Sedella pumila
Lowell Ahart
2003-4-10
10082
Butte
Near the easat side of the 'sunken area,' about 150 yards west of the east rim of South Table Mountain, about 2 1/2 miles (air) north of Oroville.
320
Comment
SEINET10449668
Sedum albomarginatum
Mary Susan Taylor
1981-5-11
Taylor 3687
Butte
T22N R5E ne sec 6, Pulga quad. N side of Feather River Hwy 70, at jct with Pulga Rd and Pulga bridge, in rocky red serpentine cliff. 1600 ft.
488
Comment
CAS-BOT-BC62116
Selaginella hansenii
Lowell Ahart
1968-3-13
s.n.
Butte
Peter Ahart Ranch, Honcut
45
Comment
CAS-BOT-BC62117
Selaginella hansenii
Lowell Ahart
1961-3-3
s.n.
Butte
Salmon Hole, Chico
91
Comment
CHSC41990
Selaginella hansenii
Lowell Ahart
1976-4-17
1082
Butte
Along the trail to Feather Falls, near the Feather Falls overlook, about 5 miles north of Feather Falls.
609
Comment
SEINET10530438
Selaginella hansenii
Mary Susan Taylor
1980-2-24
Taylor 2322
Butte
T23N R2E nw 1/4 sec 21. On bluffs overlooking the waterfall on E branch of Mud Creek, ca. 1/4 mi upstream from Richardson Springs Hotel, ca. 6 mi NE of Chico.
244
Comment
RSA755636
Selaginella wallacei
Lowell A. Ahart, John Dittes, Steve Green
2009-1-17
15473
Butte
Large rock on the south side of Guardian Rock Trail, about 20 yards west of the intersection of Humboldt Trail and Guardian Rock Trail, Upper Bidwell Park.
322
Comment
SEINET10530444
Selaginella wallacei
Mary Susan Taylor
1980-3-8
Taylor 2370
Butte
Pulga community, ca. 1 mi NE of Hwy 70, ca. 28 mi NE of Oroville; serpentine soils.
488
Comment
SEINET10839468
Selaginella wallacei
Lawrence P. Janeway
1984-10-7
Janeway 1178
Butte
Brush Creek quad T21N R6E SE 1/4 of sec. 30, 3200 feet.
975
Comment
CHSC12107
Senecio aronicoides
J. M. Pitts
1972-4-19
154
Butte
20 yards se of Humbug Rd. 7.9 mi ne past Honeyrun Bridge.
426
Comment
UC472365
Senecio aronicoides
H. M. Hall
1912-5-26
Butte
Stirling City Sierra Nevada Mountains
Comment
UC492747
Senecio aronicoides
H. F. Copeland
1929-6-9
1254
Butte
Jonesville
1524
Comment
NY233354
Senecio lewisrosei
L. S. Rose
1939-6-7
39247
Butte
North Fork of Feather River, 3 miles south of Pulga
609.6
Comment
CAS-BOT-BC364273
Senecio triangularis
E. B. Copeland
1931-7-4
699
Butte
Jonesville
1550
Comment
CHSC47665
Senecio triangularis
Lowell Ahart
1989-9-21
6389
Butte
On the west side of the gravel road, south of French Creek, about 1 mile west of the Sly Creek Reservoir.
1158
Comment
RSA4450
Senecio triangularis
E. B. Copeland
1931-7-4
699
Butte
Jonesville.
1550
Comment
JEPS115244
Senecio vulgaris
Lowell Ahart
2009-4-3
15523
Butte
Along margins of the gravel road, east of the Cedar Grove parking area in Lower Bidwell Park, Chico
67
Comment
JEPS116118
Senecio vulgaris
Lowell Ahart, John Dittes
2009-3-20
15502
Butte
Open area along the Guardian Rock Trail, about 150 yards southwest of the Ten Mile House Road Trail, about 300 yards west of Highway 32, west of the intersection of Highway 32 and Ten Mile House Road, Upper Bidwell Park, about 10 miles northeast of Chico
407
Comment
SEINET10839272
Senecio vulgaris
Lowell Ahart, James D. Jokerst
1985-3-24
Ahart 4867
Butte
West of Lunt Road, about 1/2 mile north of the inter- section of Lunt Road and Highway 70, north of Yankee Hill.
Comment
SEINET10929339
Sequoiadendron giganteum
Mary Susan Taylor
1975-5-6
Taylor 562
Butte
Campus of California State University Chico, along creek between bridge between Holt Hall and Butte Hall, and bridge between Holt Hall and Chemistry Bldg; Riparian Woodland.
61
Comment
UC128826
Sericocarpus oregonensis subsp. californicus
Miss Kate Conger
1907-1-1
151
Butte
Brush Creek
Comment
CHSC94676
Setaria parviflora
Lowell Ahart
2006-9-28
13383
Butte
On the east side of the North Fork of the Feather River, on the west side of Hightway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel.
445
Comment
RSA724851
Setaria parviflora
L. Ahart
2006-9-28
13383
Butte
on the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel.
445
Comment
RSA724863
Setaria parviflora
L. P. Janeway
2006-7-19
8820
Butte
Sacramento Valley, Shallow arm of Thermalito Afterbay, 150 m east of Wilbur Road, 2.1 km south of Hwy 162.
41
Comment
CDA13845
Setaria pumila
G. F. Hrusa, T. D. Wilfred
1996-9-6
13573
Butte
Butte Basin; Bank on E side of Butte Creek approx. 1/2 mi. NE of confluence with Howard Slough, and immed. below McPherrin Dam (private and scheduled for removal). Plant 1 meter tall, uncommon here.
Comment
CAS-BOT-BC240115
Setaria sphacelata
Lowell Ahart
1985-10-12
5199
Butte
At the end of Nelson Bar Road, about 1 mile south of Kunkle Reservoir, about 3 miles south of Paradise
301
Comment
CHSC30872
Sherardia arvensis
J. D. Jokerst
1979-4-2
1175
Butte
Top of North Table Mt along the sides of Cherokee Rd at the East side of the Mt.
Comment
CHSC47483
Sherardia arvensis
Lowell Ahart
1974-4-7
356
Butte
About 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
SEINET12631572
Sherardia arvensis
B. Ertter, J. Strachan
1980-5-5
3261
Butte
Peter Ahart Ranch; ca 1.5 mi NE of Honcut between Oroville and Marysville
30
Comment
SEINET10483281
Sibbaldia procumbens
Mary Susan Taylor
1979-7-21
Taylor 2161
Butte
Humboldt Peak, at Humboldt Summit, tallest point in the county, on Butte- Tehama County line.
2155
Comment
CHSC13724
Sidalcea calycosa
J. G. Moore
1969-4-13
141
Butte
Stilson Canyon Rd., 1.4 mi. se of jct. with Bruce Rd., Chico.
Comment
CHSC34960
Sidalcea calycosa
R. A. Schlising; R. Banchero
1981-5-19
4050
Butte
NW of Oroville. 3.5 mi E of jct with Highway 99, along Cottonwood Road.
Comment
CHSC43352
Sidalcea calycosa
Lowell Ahart
1979-5-29
1897
Butte
On both sides of Kunkle Creek, about 2 1/2 miles south-east of Paradise.
487
Comment
UC725427
Sidalcea calycosa
A. A. Heller
1942-5-27
16479
Butte
Clark Road , Clark Road (Clear Creek Schoolhouse)
Comment
CHSC43354
Sidalcea diploscypha
Lowell Ahart
1978-5-30
1745
Butte
About 2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville.
60
Comment
UC1586587
Sidalcea diploscypha
Vernon H. Oswald and Lowell Ahart
1991-5-31
4635
Butte
on the sw side Glen Pond (Dan Beebe Trail in the Lake Oroville State Recreation Area, on the s side of Thermalito Diversion Pool); Lake Oroville State Recreation ARea, sw side Glen Pond
Comment
CHSC1060
Sidalcea glaucescens
V. Holt
1935-8-1
Butte
De Sabla.
762
Comment
JEPS117413
Sidalcea glaucescens
Lowell Ahart
2010-9-28
17246
Butte
Along the east side of Big Kimshew Creek, about 100 yards east of the poor dirt road, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir
1886
Comment
CHSC2830
Sidalcea hartwegii
David Prall
1965-3-28
17
Butte
In a field east of Meridian Rd, 8 miles NE of HW. 99E north of Chico.
Comment
CHSC42236
Sidalcea hartwegii
Steve Holloway
1986-4-18
25
Butte
20 m w of Hwy 32, 15.6 km ne of Chico.
540
Comment
JEPS115593
Sidalcea hartwegii
Lowell Ahart
2009-4-22
15583
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
HSC87160
Sidalcea hartwegii
S. T. Heaston
1982-4-8
17
Butte
SE of Chico, 7 mi. SE of the junction of Hwy. 99 and Skyway, 100 m S off of Skyway
305
Comment
UC1594540
Sidalcea hirsuta
Lowell Ahart
1992-5-23
6771
Butte
n side of Biggs Princeton Road about 2 mi w Biggs; w of Biggs
30
Comment
UC725525
Sidalcea hirsuta
A. A. Heller
1927-5-3
14362
Butte
ten mi n Chico; ten mi n of Chico
Comment
CDA36504
Sidalcea malviflora subsp. asprella
T. C. Fuller
1970-4-17
19389
Butte
114 Putnam Dr., east above Oroville.
0
Comment
CHSC101171
Sidalcea robusta
Lowell Ahart
2009-5-15
15681
Butte
10 yards east of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
235
Comment
CHSC77818
Sidalcea robusta
Tim Stofer
2000-4-20
20
Butte
On the east side of the trail 1/2 mi. from the head of the South Rim Trail off South Park Dr. in upper Bidwell Park.
91
Comment
UC138306
Sidalcea robusta
Mrs. R. M. Austin
Apr 1896
822
Butte
Little Chico Canyon
Comment
RSA755001
Silene antirrhina
L. Ahart
2008-5-21
14773
Butte
Lake Oroville, north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 0.25 mile northwest of the Ponderosa Dam.
246
Comment
SEINET10537492
Silene antirrhina
Lowell Ahart
1985-5-31
Ahart 5032
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
CHSC55053
Silene bernardina
Lowell Ahart
1991-9-19
6729
Butte
Near where the two branches of Wildcat Creek come together, about 2 miles north-west of Four Trees, about 2 miles north-east of Coyote Gap.
1219
Comment
CAS-BOT-BC385884
Silene douglasii
A. A. Heller
1914-8-7
11661
Butte
Summit east of Jonesville
2133
Comment
UC203622
Silene douglasii
A. A. Heller
1914-8-7
11661
Butte
Summit back Jonesville (on a n slope just below the crest of the ridge); Summit back of Jonesville
2133
Comment
CHSC37284
Silene gallica
M. S. Taylor
1982-5-2
4390
Butte
N side of Hwy 70, at Pulga bridge, ca. 20 mi ne of Oroville. Pulga serpentine outcrops.
487
Comment
CHSC2447
Silene laciniata subsp. californica
R. Carter
1965-7-6
277
Butte
Found 1.4 mi. N of Mountain House on Oroville-Quincy Rd., on E bank above road.
914
Comment
CHSC37282
Silene latifolia subsp. alba
M. S. Taylor
1982-6-24
4726
Butte
E side of Flea 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
CHSC39503
Silene lemmonii
Lowell Ahart
1993-5-28
4018
Butte
Along the trail to Feather Falls, near the over-look, about 5 1/2 miles north of the town of Feather Falls.
600
Comment
CHSC48269
Silene lemmonii
Vernon Oswald
1984-4-9
1138
Butte
Feather Falls Trail, near the overlook at the falls.
609
Comment
JEPS98990
Sinapis alba
Lowell Ahart
2001-4-15
8723
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) SW of Gridley.
22
Comment
CHSC38871
Sisyrinchium bellum
Vernon Oswald
1983-3-31
229
Butte
Upper Bidwell Park, on the s side of Upper Park Rd. 300 ft w of Parking Area N (Salmon Hole).
152
Comment
CHSC29410
Sisyrinchium elmeri
R. A. Schlising; R. Banchero
1980-6-6
3653
Butte
N of Oroville, on Bald Rock Road, 1.5 mi s of jct with Oroville-Quincy Highway in Brush. Marsh ca 0.5 off road.
Comment
CHSC43042
Sisyrinchium elmeri
L. P. Janeway
1987-7-5
2438
Butte
1.0 mi SW of Jones Ndw along the Concow Rd, then 0.4 mi E on a spur rd.
1798
Comment
SD8215
Smilax californica
Mrs. R. M. Austin
1883-1
Butte
Butte County
Comment
CHSC42007
Solanum americanum
Lowell Ahart
1986-11-7
5417
Butte
In a prune orchard, east of the Feather River and the Oroville Gridley Highway, about 3 miles east of Gridley.
28
Comment
CHSC92478
Solanum americanum
Lowell Ahart
2005-11-20
12492
Butte
On the east side of the North Fork of the Feather River, about 50 yards southwest of the Poe Power House.
275
Comment
CHSC101306
Solanum parishii
Lowell Ahart
2009-4-22
15595
Butte
East side of Guardians Trail, just south 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
CHSC67398
Solanum parishii
James D. Jokerst; R. A. Schlising
1985-4-8
2226
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
SEINET10546684
Solanum parishii
Mary Susan Taylor
1975-4-26
Taylor 507
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
RSA716319
Solidago californica
L. Ahart
2005-8-19
12335
Butte
Along a small drainage, about 1/8 mile west of Dunstone Drive, about 1.5 miles north and 2 7/8 miles east of Honcut, about 12 miles (air) southeast of Oroville.
55
Comment
CHSC39344
Solidago velutina subsp. californica
Lowell Ahart
1983-6-26
4148
Butte
Along Ponderosa Way, about 1 mile south-east of the East Fork of Canyon Creek, about 14 miles north-east of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way.
575
Comment
JEPS107558
Solidago velutina subsp. californica
Lowell Ahart
2005-8-19
12335
Butte
In a farmed field, along a small drainage, about 1/8 mile west of Dunstone Drive, about 1 1/2 miles north and 2 7/8 miles east of Honcut, about 12 miles (air) southeast of Oroville
54
Comment
CHSC71163
Soliva sessilis
Lowell Ahart
1998-6-9
8005
Butte
In the tracks of a dirt road, about 5/8 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.
396
Comment
JEPS119761
Sonchus asper subsp. asper
Lowell Ahart
2012-5-14
18051
Butte
Along the edges of the paved path, east side of the Deer Pen, between Tables 9 & 10, Lower Bidwell Park, Chico.
Comment
JEPS124183
Sonchus oleraceus
Lowell Ahart
2015-1-27
19923
Butte
Northwest of intersection of Hazel Street and Virginia Street, Gridley.
Comment
CAS-BOT-BC158897
Sorbus scopulina
A. A. Heller
1928-7-25
14706
Butte
Along the forest service trail between Jonesville and Butte Creek House
Comment
UCD92663
Sorghum halepense
G. K. Helmkamp; E. A. Helmkamp
2007-10-7
13070
Butte
Northern Sacramento Valley. East Gridley Road at the W edge of the Feather River bridge.
27
Comment
UCR219097
Sorghum halepense
George K. Helmkamp, E. A. Helmkamp
2009-9-5
15574
Butte
Sacramento Valley, Lower Honcut Road, 0.8 mile east of its junction with CA-70, 2.5 mi. WSW (261 deg. ) of Honcut, 6.6 mi. SE (116 deg. ) of Gridley
27
Comment
CHSC51954
Sparganium emersum subsp. emersum
L. P. Janeway
1987-6-19
2248
Butte
Mdw on Pinkard Cr between Lewis Ridge and Mooreville Ridge, 6.5 mi from the Challenge-LaPorte Rd and Travis Saddle via the rd to Golden Trout Crossing.
1082
Comment
RSA719718
Spartium junceum
Michael A. Vincent, K. Levings
2006-7-29
12893
Butte
NE of Chico along Rt. 32.
Comment
SEINET10973170
Spartium junceum
Mary Susan Taylor
1980-4-27
Taylor 2565
Butte
T22N R2E se sec 25. On S side of Humbug Rd, ca. 0.5 mi upstream from Honey Run Covered Bridge, ca. 7 mi E of Chico; Foothill Woodland on edge of Riparian Woodland. With J.D. Jokerst.
137
Comment
CHSC40791
Spergula arvensis subsp. arvensis
Lowell Ahart
1985-5-31
5031
Butte
About 25 feet below the high water line of Lake Oroville, 1/8 mile east of the Enterprise Launch Area, about 1/2 mile west of the Enterprise Bridge across Lake Oroville, north-east of Oroville.
274
Comment
CHSC45898
Spergularia bocconi
Lowell Ahart
1974-6-9
478
Butte
Near roads, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CAS-BOT-BC390129
Spergularia bocconi
Lowell Ahart
1978-4-18
s.n.
Butte
Sutter Buttes Region. Peter Ahart Ranch, Honcut
50
Comment
JEPS123828
Spergularia marina
Lowell Ahart
2015-4-24
20061
Butte
About 1 1/4 miles north of Rutherford Road, Gray Lodge Wildlife Area, about 6 1/2 miles (air) southwest of Gridley.
Comment
JEPS114724
Spergularia rubra
Lowell Ahart
2008-5-8
14712
Butte
Below the high water line of Lake Oroville, about 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville
259
Comment
RSA0116393
Sphaeralcea ambigua
M. M. Boney
1897-1
s.n.
Butte
[No location information on label.]
Comment
CHSC65573
Stachys ajugoides var. rigida
R. Banchero
1980-7-28
314
Butte
Upper margins of Chico Meadows. Ca 1 mi N of jcn of Humboldt Rd and the Skyway, ca 6 mi NE of jcn Humboldt Rd and Hwy 32.
1322
Comment
CHSC96310
Stachys ajugoides var. rigida
L. P. Janeway
2006-8-12
8839
Butte
Northern High Sierra Nevada. At Concow Road crosiing of uppermost Keyser Creek 0.8 km east-northeast of Bald Mountain summit. Open disturbed area between old logging landing and creek.
1682
Comment
SEINET10498820
Stachys palustris subsp. pilosa
Lowell Ahart, Peter Ahart
1983-7-29
Ahart 4217
Butte
T21N R5E nw sec 31. Ca. 2.5 mi w on Bloomer Hill Rd from Oroville-Quincy Hwy, ca. 13 mi n of Oroville. Foothill Woodland; 500 m.
500
Comment
CHSC84398
Stachys pycnantha
Lowell Ahart
2003-7-23
10439
Butte
Around the margins of ponds, Oroville Wildlife Area, about 1/4 mile west of Pacific Heights Road, about 5 miles (air) southwest of Oroville.
26
Comment
CHSC94616
Stachys pycnantha
Lowell Ahart
2006-9-11
13286
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
RSA4123
Stachys rigida subsp. quercetorum
E. B. Copeland
1930-7-20
s.n.
Butte
Jonesville
1500
Comment
CHSC50828
Stellaria calycantha
Vernon Oswald; Lowell Ahart
1990-7-19
4369
Butte
Slope on the south side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.6 mi west of the Plumas County line.
1981
Comment
RSA0041905
Stellaria longipes subsp. longipes
Lyman Benson
1932-7-28
3963
Butte
First summit, Oroville-Quincy. Sierra Nevada Range, Feather River watershed.
1829
Comment
CHSC35036
Stellaria longipes var. longipes
R. A. Schlising
1980-6-8
3869
Butte
NE of Butte Meadows and SW of Jonesville, along Humboldt Road to the W of Cherry Hill Campground. At meadow margin.
1402
Comment
CAS-BOT-BC395110
Stellaria nitens
A. A. Heller; H. E. Brown
1902-5-12
5527
Butte
Grade between Clear Creek and Paradise
Comment
CHSC46826
Stellaria obtusa
R. A. Schlising; L. P. Janeway
1988-7-16
4602
Butte
N part of county, NE of Butte Meadows and E of Scott John Creek; near Willow Creek.
1554
Comment
CDA42852
Stellaria pallida
L. Ahart
2012-4-3
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.
Comment
JEPS122212
Stellaria pallida
Lowell Ahart
2014-4-20
19386
Butte
About 30 yards west of a small drainage, about 80 yards southwest of a small falls, about 3/4 mile northwest of the parking area on the west side of Cherokee Road, about 7 miles (air) north of Oroville.
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
CHSC62436
Stephanomeria paniculata
L. P. Janeway
1993-9-7
4587
Butte
Plumas National Forest. About 300 ft west of the south end of Ponderosa Dam. Along the edge of the dirt road.
298
Comment
UC1562279
Stephanomeria paniculata
Lowell Ahart
1990-8-15
6592
Butte
Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/2 mile north-west of the Enterprise Bridge across Lake Oroville.
274
Comment
SEINET10508401
Stipa pulchra
Lowell Ahart
1983-6-15
Ahart 4055
Butte
Peter Ahart Ranch, ca. 2.5 mi ne of Honcut. Foothill Woodland; 50 m. Along the edges of North Honcut Creek.
50
Comment
JEPS116637
Streptanthus longisiliquus
Matt Simenc
2009-7-24
Butte
1.6 air mi north of Jarbo Gap clearing under powerlines about 1/3 of the way down steepest (0.3 mi northwest of Rim Road/Ponderosa Way; 1.6 road mi north of Jarbo Gap/Hwy 70. Steep west-facing slope, in 50 ft wide forest); Northern High Sierra Nevada
853
Comment
CHSC44382
Streptanthus polygaloides
Lowell Ahart
1988-5-30
6034
Butte
Along Poe Power House Road, about 1/10 mile north of the bridge across the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap.
365
Comment
JEPS34385
Streptanthus polygaloides
Rimo Bacigalupi and P. C. Hutchison, J. K. Wright
1963-6-1
8861
Butte
0.75 mi. s. Pulga (cliff above side rd. off U.S. Hwy. 40 in canyon of N. Fork Feather R., n. base of grade over Jarbo Gap, just before bridge across Feather R.); canyon of N. Fork Feather R.
426
Comment
UC1492814
Streptanthus polygaloides
Freed W. Hoffman
1952-6-7
4177
Butte
Ponderosa Rd 0.1 mi e West Branch Bridge (n of Magalia)
Comment
CHSC36698
Streptanthus tortuosus
R. E. Preston
1982-6-18
305
Butte
Ca. 1 mi n of the site of Merrimac, ca. 23 mi ne of Oroville.
1371
Comment
CHSC30707
Streptanthus tortuosus var. suffrutescens
M. S. Taylor
1980-5-27
2714
Butte
Little Bald Rock, ca. 3 mi s of Brush Creek.
1016
Comment
CHSC73827
Styrax officinalis var. redivivus
B. Castro; L. Hanson
1996-8-22
719
Butte
Ca 1.2 air mi NE of confluence of Middle Fork Feather River with it South Branch, on the extreme W end of Mtn Spring House Ridge. On SW-facing slope of knoll, ca 0.2 mi NW of overlook to Seven Falls.
969
Comment
CHSC46865
Subularia aquatica var. americana
Vernon Oswald
1989-8-29
3974
Butte
Largest of a cluster of three snow lakes located ca. 2 mi (air) e of the peak of Snow Mtn, ca. 3 mi (air) s of Humbug Summit.
1950
Comment
CHSC47408
Swertia albicaulis var. nitida
Lowell Ahart
1979-5-29
1902
Butte
Along the edges of a dirt road, about 1/2 mile east of Kunkle Creek, about 2 1/2 miles south-east of Paradise.
457
Comment
CHSC51881
Swertia albicaulis var. nitida
L. P. Janeway
1987-6-20
2269
Butte
Top of Lumpkin Ridge 1.4 mi S of the Feather Falls-Lumpkin Ridge Rd.
1226
Comment
SBBG119858
Swertia albicaulis var. nitida
L. Ahart
2003-7-20
10435
Butte
S side of Bean Crk Rd, ca. 1/8 mi N of Little Bald Rock, ca. 2 air mi SE of Brush Crk
987
Comment
SEINET10938829
Symphoricarpos rivularis
Mary Susan Taylor
1976-3-9
Taylor 1020
Butte
Valley Grassland, on Burton's Mesa, ca. 500 yds N of the Skyway, ca. 13 mi E of Chico.
457
Comment
CHSC69666
Symphyotrichum chilense
Vernon H. Oswald
1982-8-20
Butte
Upper Bidwell Park, Chico, near the east end of Centennial Ave.
85
Comment
CAS-BOT-BC99045
Symphyotrichum cusickii
A. A. Heller
1914-8-7
11655
Butte
Butte Meadows
1219
Comment
CHSC69671
Symphyotrichum spathulatum var. spathulatum
Vernon H. Oswald
1987-7-16
3123
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
JEPS124195
Symphyotrichum spathulatum var. spathulatum
Lowell Ahart
2015-10-9
20550
Butte
About 100 yards east of the bridge across the Wes Branch of the Feather River, about 2 miles (air) northwest of Philbrook Reservoir.
Comment
CHSC3380
Syringa vulgaris
Robert L. Smith
1966-4-4
55
Butte
5 miles south of post office. Paradise.
Comment
CHSC109354
Tanacetum vulgare
T. M. Hanson
2012-10-17
Butte
Northern High Sierra Nevada. Plumas National Forest; at the base of a small cliff band on the southwest side of the North Fork Feather River 220 m southwest of Bardees Bar.
321
Comment
CHSC34795
Tauschia kelloggii
M. S. Taylor
1980-5-8
2604
Butte
Ca. 3 mi n of Forest Ranch, ca. 1 mi e of Hwy 32.
853
Comment
CHSC20521
Tellima grandiflora
M. S. Taylor
1975-4-29
545
Butte
Scattered along Hwy 70, ca. 25 mi n of Oroville.
Comment