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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
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UC600580
Abies magnifica var. magnifica
H. F. Copeland
1931-6-11
Butte
near Jonesville (woods above Kirby Meadows)
Comment
UC600814
Acer glabrum var. glabrum
H. F. Copeland
1929-6-11
Butte
near Butte Creek (Jonesville); near Butte Creek, Jonesville
1524
Comment
CAS-BOT-BC21748
Achillea millefolium
Lowell Ahart
1985-5-15
4991
Butte
East of the dirt road, about 1 1/2 miles north-east of Concow Res.
800
Comment
CAS-BOT-BC210633
Achnatherum lemmonii
Lowell Ahart
1988-6-21
6058
Butte
Along Poe Power House Road, about 3/4 mile north of the Poe Power House, about 1 1/4 miles south-east of Jarbo Gap
426
Comment
CHSC101796
Achnatherum lemmonii
Lowell Ahart
2009-5-15
15686
Butte
On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
203
Comment
CHSC33785
Achnatherum lemmonii
M. S. Taylor
1981-4-10
3522
Butte
Ca. 50 ft up from creek, ca. 1/4 mi n of Pine Cluster Ranch, between Concow Rd and a large oak-covered knoll, ca. 6 mi n of Jarbo Gap on Hwy 70.
731
Comment
CHSC6754
Achnatherum lemmonii
Marilyn Lee
1968-5-3
160
Butte
South side of Coutolenc Rd., ca 1 mile N. of Magalia.
Comment
CHSC95032
Achnatherum lemmonii
L. P. Janeway
2006-6-25
8701
Butte
Northern High Sierra Nevada. Along a major dirt road 2.6 km south of Stirling City towards West Branch Feather River crossing.
1006
Comment
UCD55247
Achnatherum lemmonii
G. F. Hrusa; T. D. Wilfred
1997-5-1
13701
Butte
NE side of upper end of Paradise Lake. Where last tributaries from E enter.
790
Comment
UC590008
Achnatherum occidentale subsp. californicum
P. L. Johannsen
1936-7-17
933
Butte
2 1/2 mi sse Butte Meadows; Lassen National Forest, Paynes Cr. Quadrangle
1554
Comment
UCSB63843
Achnatherum occidentale subsp. pubescens
Ahart, Lowell
1997-8-1
Butte
E of Little Kimshew Creek, E of Snow Meadow, ca. 1/4 mi E of table Mtn., ca. 8 mi by air NE of Stirling City. T25N, R5E, Section 33.
1524
Comment Read comments Jun 8 2012
CHSC33954
Achnatherum stillmanii
M. S. Taylor; L. Ahart
1981-8-15
4178
Butte
Both sides of Skyway, 1.8 mi s of Inskip.
1249
Comment
CHSC38316
Achyrachaena mollis
Vernon Oswald
1983-4-20
354
Butte
Upper Bidwell Park, Chico, near the s-w corner of the Omicron Enclosure (near the n boundary of the park ca. 500 ft e of the junction of Upper Park Rd. and Wildwood Ave.).
85
Comment
CHSC113845
Acmispon americanus var. americanus
Lowell Ahart
2014-8-24
19276
Butte
On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown.
611
Comment
JEPS122339
Acmispon americanus var. americanus
Lowell Ahart
2014-8-24
19726
Butte
On the south side of the road, about 50 yards west of the Woodleaf Creek, about 1/2 mile southwest of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown.
Comment
CHSC2923
Acmispon brachycarpus
W. Fitzwater
1958-4-19
Butte
Humboldt Rd., Chico area.
457
Comment
CHSC90380
Acmispon brachycarpus
Lisa J. Newsum
1984-4-19
19
Butte
Bidwell Heights Rd., 1 1/4 from jct. with Hwy 32, 7 mi e of Chico.
304
Comment
SEINET12765095
Acmispon brachycarpus
Lowell Ahart
2014-5-13
19457
Butte
Trail starts at the Enterprise Boat Launch Area, about 11 miles (air) east of Oroville.; 0
242
Comment
CHSC34228
Acmispon grandiflorus var. macranthus
M. S. Taylor
1981-5-5
3614
Butte
W of spur rd, ca. 0.5 mi n of its jct with 21N35Y (Bryant Ravine rd), ca. 1 air mi n of Feather Falls.
853
Comment
CHSC34810
Acmispon grandiflorus var. macranthus
M. S. Taylor
1981-5-29
3808
Butte
Both sides of Chino Ridge, ca. 2 mi nw of its jct with French Creek, ca. 4 air mi s of Coyote Gap, ca 17 air mi ne of Oroville.
853
Comment
CHSC40419
Acmispon grandiflorus var. macranthus
Lowell Ahart
1985-5-15
4982
Butte
East along the dirt road, about 1/2 mile north-east of Concow Res.
594
Comment
JEPS122005
Acmispon nevadensis var. nevadensis
Lowell Ahart
2014-5-13
19459
Butte
Below the high water line of Lake Oroville, above the old paved road, about 150 yards west of the Enterprise Boat Ramp, about 11 miles (air) east of Oroville.
Comment
CHSC28864
Acmispon parviflorus
J. D. Jokerst; T. B. Devine, D. Greenstein
1979-5-18
467
Butte
Top of North Table Mt., ca 400 m NW of Jct of Cherokee Rd., and E edge of Mt.
396
Comment Read comments Jan 19 2011
CHSC82425
Acmispon parviflorus
Lowell Ahart
2002-5-7
9620
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
CHSC30022
Acmispon wrangelianus
L. Ahart
1980-5-17
2305
Butte
In the Oak Grove Cemetery, ca. 1/2 mi se of Hurleton.
600
Comment
RSA0116105
Aconitum columbianum
Lowell A. Ahart
2014-7-13
19652
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
CAS-BOT-BC412866
Aconogonon davisiae
E. B. Copeland
1931-6-19
629
Butte
Jonesville
2100
Comment
SEINET10573363
Actaea rubra
R. M. Austin
Austin 275
Butte
Comment
UC444992
Actaea rubra
E. B. Copeland
June, 1930
Butte
woods near Butte Creek Jonesville
1550
Comment
CAS-BOT-BC29852
Adenocaulon bicolor
A. A. Heller
1917-7-26
12830
Butte
Butte Meadows
1280
Comment
CHSC3274
Adiantum aleuticum
M. L. Hillier
1966-3-7
Butte
On s. side of rd. between Honeyrun covered bridge and Paradise on Honeyrun rd.
Comment
CHSC44611
Adiantum aleuticum
Vernon Oswald
1985-7-15
1900
Butte
Near Cresta Tunnel below the falls on Bear Ranch Creek via the dirt road opposite Cresta Rest Area on Hwy 70.
463
Comment
CHSC86079
Adiantum capillus-veneris
R. D. Fischer
2003-12-24
1023
Butte
Sierra Nevada foothills outside of Chico in Bidwell Park. Plants located on east side of road leading to the old pistol range, near the pistol range.
91
Comment
CAS-BOT-BC65619
Adiantum jordanii
Carol S. Ellingboe
1978-4-23
11
Butte
ca. 4.5 m s of Chico Creek and 1.6 km e of Five Mile Recreation Area, 30 m w of Chico Police Shooting Range
100
Comment
CDA1641
Aegilops cylindrica
D. Conway
Jun 1991
Butte
Butte College campus, 3536 Butte Campus Drive, 4 miles east of Durham on Durham-Penz Road
0
Comment
CHSC98333
Aegilops triuncialis
L. P. Janeway; B. Castro
2007-5-19
8978
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.
88
Comment
CHSC3137
Aesculus hippocastanum
Gary Dutton
1966-4-13
204
Butte
Found on C. S. C. north side of Add. Bld.
Comment
CAS-BOT-BC22968
Agoseris heterophylla
Lowell Ahart
1981-4-24
2788
Butte
Near North Honcut Creek
150
Comment
HSC43093
Agoseris heterophylla
Maralyn O'Meara
1974-4-20
298
Butte
Table Mtn.
305
Comment
CHSC29730
Agoseris heterophylla var. cryptopleura
J. D. Jokerst
1980-4-21
621
Butte
Top of North Table Mt., N of Cherokee Rd.
Comment Read comments Jan 19 2011
CHSC29301
Agoseris retrorsa
J. D. Prouty
1980-4-17
80 .69
Butte
E of Yankee Hill Road.
518
Comment
UCD80029
Agoseris retrorsa
CNPS SN Foothill Team
2005-3-29
SNFN 0026 b
Butte
CDFG North Table Mountain Wildlife Area, near the eastern boundary of the Table Mt. Ecological Reserve.
356
Comment
SEINET10968367
Agropyron
Mary Susan Taylor
1980-7-6
Taylor 3071
Butte
T25N R3E se sec 10, Butte Meadows quad; on W side of Hwy 32, ca. 0.1 mi S of Loma, up on rocky open edge of Yellow Pine Forest. With R.A. Schlising.
1128
Comment
CDA1683
Agrostis avenacea
T. C. Fuller
1976-7-8
20149
Butte
Biggs Rice Exp. Station, 5 km. north of Biggs.
0
Comment
HSC38056
Agrostis avenacea
Thomas W. Nelson, Jane P. Nelson
1976-5-9
2461
Butte
Dry meadow at intersection of Palermo Rd. & Hwy 70, about 4 mi. S of Oroville
Comment
SEINET10753214
Agrostis avenacea
Lawrence P. Janeway
1991-6-7
Janeway 3991
Butte
Honcut quad T18N, R4E, SE 1/4 of sec. 33. Ca. 0.8 mi E of Palermo-Honcut Road, ca. 5.1 mi S of Palermo. Disturbed annual grassland (plowed, many cattle in spring).
38
Comment
JEPS127616
Agrostis capillaris
L. P. Janeway
2015-6-30
11791
Butte
Plumas National Forest; Along Road 19N19 1.3 road km E of Ponderosa way, halfway between Sunset Hill and Poderosa Dam (South Fork Feather River)
Comment
UCD169334
Agrostis elliottiana
Lowell Ahart
2004-4-6
10729
Butte
Peter Ahart Ranch. About 12 miles (air) southeast of Oroville, about 2 1/4 miles north and 1 1/4 miles east of Honcut.
35
Comment
CAS-BOT-BC127374
Agrostis exarata
Lowell Ahart
1988-7-31
6152
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
CHSC59036
Agrostis exarata var. exarata
Lowell Ahart
1992-7-21
6810
Butte
On the south side of Coon Hollow, about 2 (air) miles north-east of Philbrook Reservoir.
1737
Comment
JEPS116027
Agrostis gigantea
Lowell Ahart
2009-7-9
16006
Butte
On the east side of a dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
236
Comment
CAS-BOT-BC138776
Agrostis scabra
Lowell Ahart
1983-7-29
4220
Butte
Sierra Nevada. Along the dirt road, ca. 2 miles south of Milsap Bar, ca. 23 miles northeast of Oroville.
750
Comment
CHSC69733
Agrostis scabra
Lowell Ahart
1997-10-20
7918
Butte
On the west side of the sharp bend in the South Fork of the Feather River, about 1/4 mile north of the bridge across the river, about 3/4 mile north of Golden Trout Crossing, 3 miles (air) northwest of Sly Creek Reservoir Dam.
914
Comment
CAS-BOT-BC138642
Agrostis stolonifera
Lowell Ahart
1988-9-4
6178
Butte
Near Big Kimshew Creek, about 1 air mile northeast of Jones Meadow.
1920
Comment
HSC39885
Aira caryophyllea
J. P. Smith
1973-3-22
5925
Butte
2.1 mi. E of junction with Hwy. 99 and the road to Paradise
122
Comment
RSA0058867
Albizia julibrissin
Lowell A. 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
CHSC112458
Alisma lanceolatum
Lowell Ahart
2013-5-23
18707
Butte
About 1/2 mile southeast of the Honcut Cemetery, about 3 1/4 miles (air) northeast from Honcut.
54
Comment
CHSC49466
Alisma triviale
Vernon Oswald
1987-6-15
3000
Butte
Butte Creek Reserve on the n side of Butte Creek, ne of the Skyway.
76
Comment
CHSC96944
Alisma triviale
Lowell Ahart
2007-7-8
14277
Butte
On the south side of North Honcut Creek, Peter Ahart Ranch, about 3/4 miles north and 2 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville.
45
Comment
UCD137973
Alisma triviale
J. Jones
1924-9-20
s.n.
Butte
Biggs
Comment
SEINET10471917
Allium
Mary Susan Taylor, Vernon H. Oswald
1985-5-30
Taylor 5512
Butte
Trees Road between Hwy 70 and Coyote Gap, ca. 25 air mi NE of Oroville. Yellow Pine Forest.
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-BC460737
Allium amplectens
Lowell Ahart
1980-6-19
2384
Butte
Along Swedes Flat Road, near Bangor.
Comment
HSC38141
Allium amplectens
Thomas W. Nelson, Jane P. Nelson
1976-5-9
2446
Butte
Intersection of Palermo Rd. and SR 70, 4 mi. S of Oroville
Comment
SEINET5641950
Allium amplectens
Linda M. Barker
1974-4-20
144
Butte
Chico Quad. Skyway Road, one mile east of Hwy. 99.; 0
61
Comment
RSA0000114
Allium cratericola
C. C. Bruce
1897-04
1907
Butte
Yankee Hill.
Comment
UCD138462
Allium cratericola
C. D. Snider
1975-4-20
25
Butte
Table Mountain: 7 mi. S of Hwy 70, Cherokee Road 5 mi S of Cherokee. 0.5 mi NW of road.
381
Comment
JEPS122447
Allium hyalinum
L. P. Janeway
2015-3-9
11635
Butte
Sacramento Valley. Just north of the Thermalito Forebay, North Picnic Area. Quad: Oroville 7.5'
Comment
CHSC62600
Allium jepsonii
B. Castro
1993-7-13
487
Butte
Ca. 2.5 mi SSW of Big Bar Mtn, on gentle SSE-facing slope on the N side of USFS rd 22N84.
944
Comment
CAS-BOT-BC472969
Allium membranaceum
Lowell Ahart
1984-6-10
4698
Butte
Along road to Forbestown Diversion Dam; near a small stream, along the road about 2 miles southwest of the Forbestown Diverson Dam, northeast of Forbestown.
700
Comment
SEINET12048269
Allium membranaceum
M. Ownbey, Ownbey, G. B.
1946-1
2945
Butte
just E of Brush Creek Ranger Station
Comment
UC1299737
Allium obtusum
Freed W. Hoffman
1951-5-1
3773
Butte
on ridge before reaching Little Butte Creek (on road from Magalia to Lovelock at Mosquito Creek); Mosquito Creek
792
Comment
CHSC54115
Allium peninsulare var. peninsulare
Vernon H. Oswald; Lowell Ahart
1991-5-13
4577
Butte
Dan Beebe Trail in Lake Oroville Recreation Area, between Canyon Drive and Oroville Dam Blvd East (opposite the spillway).
213
Comment
CAS-BOT-BC474066
Allium platycaule
A. A. Heller
1915-6-16
12024
Butte
Summit of Sierra Nevada above Jonesville
2133
Comment
UC1586630
Allophyllum divaricatum
Lowell Ahart
1991-6-22
6662
Butte
n. of Springtown Rd. Lake Oroville
243
Comment
CDA42995
Alopecurus carolinianus
L. Ahart
2008-5-2
14704
Butte
Below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10-1/2 miles (air) northeast of Oroville.
Comment
JEPS107324
Alopecurus carolinianus
Lowell Ahart
2005-4-14
11716
Butte
Bottom of a deep drain ditch, about 200 feet east of the railroad tracks, north of Spruce Street, Gridley
28
Comment
SEINET237587
Alopecurus carolinianus
Carl M. Wick
1986-4-2
Butte
1/2 mile east of Richvale Richvale East/ Erickson Road.
Comment
CAS-BOT-BC137935
Alopecurus saccatus
A. A. Heller
1902-5-3
5445
Butte
Near Nelson.
Comment
JEPS104098
Alopecurus saccatus
Lowell Ahart
2003-5-28
10235
Butte
On the bottom of Hendricks ditch, ca 1 3/4 mi w of the iron gate and fence, w of Cherokee Rd, North Table Mountain, ca 7 mi (air) n of Oroville.
271
Comment
SEINET10507157
Alopecurus saccatus
Lowell Ahart
1983-5-12
Ahart 3978
Butte
Along the power line, ca. 0.5 mi ne of jct of Hwy 99 and Pentz Rd, ca. 16 mi s of Chico. Valley Grassland; 65 m.
65
Comment
CHSC116126
Amaranthus albus
Lowell Ahart
2015-11-7
20615
Butte
Strand of Lake Oroville, on the east side of the old highway Alternate 40, about 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise.
236
Comment
JEPS127068
Amaranthus albus
Lowell Ahart
2016-5-30
20892
Butte
Peter Ahart Ranch, about 2 1/2 miles north and 1/2 mile east of Honcut, about 12 miles (air) south of Oroville.
Comment
CHSC116012
Amaranthus blitoides
Lowell Ahart
2015-10-9
20541
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
UCD97194
Amaranthus blitoides
A. A. Heller
1919-8-9
13351
Butte
Chico.
Comment
CHSC75961
Amaranthus rudis
Lowell Ahart
1999-8-13
8175
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
CHSC105790
Ambrosia psilostachya
Lowell Ahart
2010-9-13
17152
Butte
Open dry areas, Oroville Wildlife Area, about 1/2 mile west of Pacific Heights Road, about 3 1/2 miles (air) northwest of Palermo.
31
Comment
UC179502
Ambrosia psilostachya
A. A. Heller
1914-9-3
11759
Butte
6 mi from, on the Chico-Hamilton road Chico
Comment
SEINET10971204
Ambrosia psilostachya var. californica
Mary Susan Taylor
1977-8-19
Taylor 1505
Butte
Abundant in slough ca. 3 mi E of junction of Hwy 42 with Hwy 162, on Hwy 162, S of Chico; with huge population of Hibiscus californicus.
30
Comment
POM196088
Amelanchier pallida
H. F. Copeland
1929-6-10
1208
Butte
Jonesville.
1524
Comment
SEINET10452827
Ammannia auriculata
Mary Susan Taylor
1978-7-22
Taylor 1851
Butte
On SE corner of Richvale East Road and Erickson Road, Richvale; in rice field.
30
Comment
SEINET10906932
Ammannia auriculata
Mary Susan Taylor
1978-9-8
Taylor 1889
Butte
Along flood control slough, ca. 4 mi N of Chico, along Hwy 99.
61
Comment
RSA6525
Ammannia coccinea
Jens Clausen
1932-9-16
658
Butte
20 miles south of Chico, between Richvale & Nelson
Comment
CHSC75968
Ammannia robusta
Lowell Ahart; Vernon Oswald
1999-8-13
8168
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
JEPS119805
Ammannia robusta
Lowell Ahart
2012-8-24
18429
Butte
On the strand of Black Butte Reservoir (west side), about 3 miles north of the bridge across Stony Creek and the upper reaches of Black Butte Reservoir.
Comment
JEPS115309
Amsinckia intermedia
Lowell Ahart
2009-4-17
15545
Butte
On the south slope of a ridge, about 150 yards west of Highway 32, near the south boundary, Upper Bidwell Park, about 5 miles (air) northeast of Chico
373
Comment
UC726542
Amsinckia lycopsoides
A. A. Heller
1942-4-5
16417
Butte
8 mi n Chico (1/2 mi e of junction of Cohasset road with U.S. 99E)
Comment
CHSC108806
Andropogon glomeratus var. scabriglumis
Lowell Ahart
2012-4-9
17829
Butte
Wet area in the rock corral, east of the cement dam in Big Chico Creek, west of South Rim Trail, south part of Upper Bidwell Park, about 2 miles (air) northeast of Chico.
110
Comment
CAS-BOT-BC137803
Andropogon virginicus var. virginicus
Bellue
1942-3-17
s.n.
Butte
About 2 miles east of Oroville. Thermalitos.
Comment
CHSC72745
Andropogon virginicus var. virginicus
Lowell Ahart
1998-11-11
8065
Butte
About 3/4 mile northwest of the cattle chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
371
Comment
CAS-BOT-BC391951
Anemone occidentalis
V. Oswald; L. Ahart
1988-7-29
3644
Butte
Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn.
2103
Comment
SEINET10939832
Angelica breweri
Lowell Ahart
1985-7-24
Ahart 5151
Butte
Along the Forbestown Ditch, abut 2 1/2 miles north-east of Forbestown.
Comment
UCD116183
Anoda cristata
Ball
1939-12-1
s.n.
Butte
Banger garden.
Comment
CAS-BOT-BC84695
Anthemis cotula
A. A. Heller
1914-7-18
11479
Butte
Near Durham
Comment
CHSC6089
Anthemis cotula
B. Wilson
1968-5-11
200
Butte
Corner's Gas Station.
Comment
UCD129052
Anthemis cotula
A. A. Heller
1914-7-18
11479
Butte
near Durham.
Comment
JEPS113809
Anthoxanthum odoratum
Lowell Ahart
2007-6-1
13968
Butte
In lawn, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville
30
Comment
CHSC101270
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
CHSC108828
Anthriscus caucalis
Lowell Ahart
2012-4-17
17871 -A
Butte
On the west side of Gridley Road, about 1/8 mile southeast of the bridge over the Feather River, about 2 miles west of Highway 70.
28
Comment
RSA505433
Antirrhinum cornutum
R. C. Bacigalupi, Howard Whisler
1957-7-26
6041
Butte
Along Humbug Road, 3.1 miles below and south of Nimshew.
366
Comment
CHSC78166
Antirrhinum vexillo-calyculatum subsp. intermedium
Lowell Ahart
2000-5-31
8423
Butte
A serpentine ridge, about 200 yards east of where Kunkle Creek enters Lake Oroville, east of the Kunkle Power House, about 3 miles southeast of Paradise.
335
Comment
CAS-BOT-BC447660
Aphanes arvensis
A. A. Heller
1916-4-13
12324
Butte
Stilson Canyon east of Chico in the digger pine and blue oak belt
Comment
CHSC28753
Aphanes occidentalis
J. D. Jokerst
1979-3-18
172
Butte
200 met. N.W. of Hwy 32, 7.7 mi. E. of Chico, top of ridge.
365
Comment
CHSC82406
Aphanes occidentalis
Lowell Ahart
2002-5-7
9645
Butte
High banks of a pond, at the beginning of a southeast branch of Schirmer Ravine, about 50 yards east of the pond on the east side of Cherokee Road, North Table Mountain, about 4 miles (air) north of Oroville.
228
Comment
JEPS107436
Aphanes occidentalis
Lowell Ahart, Paul Maslin, John Dittes
2005-3-17
11660
Butte
Big Chico Creek Ecological Reserve. Burned area, ca. 50 yd S of fence, on the E side of the poor dirt road, ca. 1/8 mi NW of the Indian Cave, ca. 3/4 mi W of Big Chico Creek, ca. 4 1/2 mi (air) NE of Chico
481
Comment
CHSC65578
Aphyllon epigalium subsp. epigalium
L. P. Janeway
1995-6-1
4765
Butte
South-trending ridgetop at the far western end of Jackson Ranch Ridge, about 0.9 mi east-northeast of the falls of Feather Falls.
1054
Comment
CHSC12929
Aphyllon purpureum
K. D. Cox
1974-4-5
186
Butte
On banks of Lake Oroville, Lunt Ranch on Lunt Rd., off Hwy 70, N of Oroville.
Comment
CHSC103
Apocynum androsaemifolium
1931-6-3
Butte
Forest Ranch.
609
Comment
CAS-BOT-BC392112
Aquilegia formosa
E. B. Copeland
1929-7-15
362
Butte
Jonesville
1550
Comment
UC1122885
Aralia californica
J. E. Sowder
1933-8-4
120
Butte
slope above Sable Power House; Chico Quadrangle
Comment
CHSC32828
Arbutus menziesii
W. Michael Foster
1981-4-24
10
Butte
Along both sides of Hwy 70, ca. 2 mi NW of Jarbo Gap and ca. 20 mi N of Oroville.
609
Comment
CHSC26688
Arceuthobium abietinum
M. S. Taylor; M. Hayes, R. Schlising
1977-8-17
1486
Butte
At Humboldt Summit at Butte-Tehama county line, ca. 100 ft. w of Old Humboldt Rd, on Butte side.
2133
Comment
CHSC62509
Arceuthobium campylopodum
L. P. Janeway
1993-8-21
4531
Butte
Plumas National Forest, LaPorte Ranger District. Southwest end of Watson Ridge; ca 2 mi east of Bald Rock Dome.
1082
Comment
SEINET10969530
Arceuthobium campylopodum
Mary Susan Taylor
1975-5-9
Taylor 567
Butte
Abundant in serpentine area, ca. 50 ft E of the Skyway, ca. 1/4 mi N of DeSabla turnoff, Magalia; with Arctostaphylos sp.
732
Comment
UCD101924
Arceuthobium campylopodum
Professor Gilmore
1927-10-1
815
Butte
Bangor.
Comment
LA42190
Arctostaphylos manzanita
H. F. Copeland;
1932-6-24
A 8
Butte
Humboldt Grade, about 12 mi. from Chico
Comment
SEINET10449247
Arctostaphylos manzanita
Mary Susan Taylor
1974-5-20
Taylor 255 A
Butte
Chico.
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
CAS-BOT-BC38828
Arctostaphylos manzanita subsp. manzanita
Frances Brown
1935-2-11
s.n.
Butte
Durham
Comment
CAS-BOT-BC38871
Arctostaphylos manzanita subsp. manzanita
John Thomas Howell; Lowell Ahart
1976-4-1
51541
Butte
In foothill woodland south of Chrokee on road to Oregon City.
Comment
CAS-BOT-BC38873
Arctostaphylos manzanita subsp. manzanita
A. A. Heller
1940-2-4
15487
Butte
1 mile west of the Spring House on the Neal Road to Paradise.
Comment
CHSC109137
Arctostaphylos manzanita subsp. manzanita
Lowell Ahart
2012-3-23
17775
Butte
West edge of a small opening, about 100 yards south of the intersection of Guardian Trail and Ten Miles House Road, about 1/4 mile west of Highway 32, about 9 miles (air) northeast of Chico.
437
Comment
RSA719873
Arctostaphylos manzanita subsp. manzanita
Michael A. Vincent, K. Levings, Karl Vincent
2006-7-29
12883
Butte
Northeast of Chico along Rt. 32.
Comment
UC1303073
Arctostaphylos mewukka
A. A. Heller
1928-2-22
14776
Butte
near Forest Ranch
Comment
UC1303074
Arctostaphylos mewukka
A. A. Heller
1928-2-27
14477
Butte
near Forest Ranch
Comment
UC726237
Arctostaphylos mewukka
A. A. Heller
1940-2-6
15489
Butte
Neal Rd at Game Refuge above Bowle's Mansion; Paradise
Comment
CAS-BOT-BC38610
Arctostaphylos mewukka subsp. truei
A. A. Heller
1949-2-6
15490
Butte
Neal Road at Paradise in the game refuge.
Comment
CHSC41235
Arctostaphylos mewukka subsp. truei
J. D. Jokerst
1984-8-15
2145
Butte
Backbone of first ridge east of Camp Creek in the canyon of the North Fork Feather River.
Comment
JEPS109967
Arctostaphylos mewukka subsp. truei
Dean W. Taylor
2006-7-12
19564
Butte
Swain Hill; northwest flank along County Road 47
1158
Comment
RSA4476
Arctostaphylos nevadensis
E. B. Copeland
1931-6-22
672 a
Butte
Jonesville. On ridge east of the Summit'
2100
Comment
UCD22542
Arctostaphylos nevadensis
James I. Mallory
1969-10-2
362
Butte
1 mile east of Quartz Hill, 1 mile south of Fall River Campgound in abandoned logging road. Just north of center of the section.
1127
Comment
UC202367
Arctostaphylos patula
H. M. Hall
July 1914
9808
Butte
near Jonesville
1645
Comment
SEINET10973497
Arctostaphylos patula
Mary Susan Taylor
1974-5-20
Taylor 255
Butte
Ca. 50 ft N of Skyway to Paradise, ca. 16 mi NE of Chico, on Burton's Mesa.
244
Comment
SEINET7263535
Arctostaphylos patula
K. Conger
1907-1
s.n.
Butte
Brush Creek
Comment
SEINET11989236
Arctostaphylos truei
J. T. Howell
1975-1
51113
Butte
Skyway & Montana Drive, Paradise
610
Comment
CAS-BOT-BC47392
Arctostaphylos viscida subsp. viscida
M. S. Taylor; T. Devine; M. Merryman
1981-11-2
3376
Butte
Bigi Bend Mt. Quad. East side of Lumpkin Rd., north of Macabes Creek.
91
Comment
CAS-BOT-BC48289
Arctostaphylos viscida subsp. viscida
John Thomas Howell
1955-6-15
30489
Butte
6 miles from Paradise on road to Pentz
426
Comment
CAS-BOT-BC48291
Arctostaphylos viscida subsp. viscida
John Thomas Howell; Gordon H. True
1967-5-9
42236
Butte
On northwest side of Feather River Canyon near Pulga Bridge
Comment
CAS-BOT-BC48293
Arctostaphylos viscida subsp. viscida
John Thomas Howell
1975-6-15
51106
Butte
Billie Road at Cliff Drive, Paradise
609
Comment
CHSC31693
Arctostaphylos viscida subsp. viscida
L. Ahart
1976-2-15
1009
Butte
Ahart Ranch. Along North Honcut Creek on dry rocky soil. Peter Ahart Ranch, Honcut.
53
Comment
CHSC38436
Arctostaphylos viscida subsp. viscida
Vernon Oswald
1983-2-14
70
Butte
Upper Bidwell Park, Chico, on the S side of Upper Park Rd. just e of the intermittent stream located 0.8 mi E of the power lines.
115
Comment
RSA134788
Arctostaphylos viscida subsp. viscida
P. C. Everett, E. K. Balls, George B. Everett
1959-10-20
23908
Butte
9.4 mi NE from Chico, State Hwy 32, toward De Sabla.
793
Comment
RSA636988
Arctostaphylos viscida subsp. viscida
Jon E. Keeley
1996-6-20
27472
Butte
Approximately 1/2 km west of Cohasset.
Comment
CHSC30068
Arenaria kingii var. glabrescens
R. A. Schlising; R. Banchero
1980-7-31
3950
Butte
Above Inskip and Snag Lake on north slopes of Snow Mountain.
1950
Comment
CHSC78552
Aristida dichotoma
Lowell Ahart; Vernon H. Oswald
2000-8-5
8623
Butte
Big Bald Rock, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville.
993
Comment
CAS-BOT-BC137554
Aristida oligantha
Lowell Ahart
1983-8-16
4278
Butte
Sierra Nevada. One mile east of Chico, on Highway 32.
100
Comment
CHSC117314
Aristida oligantha
L. P. Janeway
2016-8-9
12148
Butte
Northern High Sierra Nevada. Plumas National Forest; Fields Ridge Meadow; on the ridge between South Fork Feather River and Sucker Run; 1.5 air-km east-northeast of Ponderosa Reservoir.
872
Comment
CHSC45202
Aristida oligantha
Lowell Ahart
1977-7-14
1465
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 1 1/2 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
SEINET3918849
Aristida oligantha
M. S. Taylor
1977-8-16
1434
Butte
Abundant in Valley Grassland, near culvert in natural drainage, ca. 1.2 mi E of junction of Pentz Road and Hwy 99, ca. 15 mi S of Chico.; 0
61
Comment
CHSC41979
Aristida ternipes var. hamulosa
Lowell Ahart
1986-11-14
5466
Butte
About 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville.
36
Comment
CAS-BOT-BC400430
Aristolochia californica
John Thomas Howell
1951-6-26
27526
Butte
Near Pulga
411
Comment
CHSC115
Aristolochia californica
F. Roos
1930-3-16
Butte
On Oroville road near Chico.
76
Comment
POM165725
Aristolochia californica
E. B. Copeland
1903-4-10
s.n.
Butte
Chico
Comment
UCD137818
Aristolochia californica
K. L. McElroy
1968-4-13
37
Butte
Table Mountain.
243
Comment
JEPS21728
Arnica dealbata
A. A. Heller
1917-7-29
12861
Butte
summit above Jonesville
2133
Comment
UCD129211
Arnica longifolia
Robert E. Preston
1982-7-21
352
Butte
Philbrook Creek, where dirt road crosses creek ca. 0.25 mile east of Philbrook Reservoir.
1688
Comment
CAS-BOT-BC90285
Artemisia douglasiana
A. A. Heller
1928-6-20
14693
Butte
Butte Meadows, along Butte Creek
Comment
UC171429
Artemisia douglasiana
A. A. Heller
1913-9-12
11135
Butte
on Big Chico Creek (Chico)
Comment
RSA401661B
Asclepias cordifolia
M. M. Boney
1897-1
s.n.
Butte
[No locality information provided]
Comment
CHSC4693
Asclepias fascicularis
R. Carter
1966-7-6
464
Butte
Found ca. 7 mi. E of Oroville on NE corner of intersection of Miners Ranch Rd. and Mt. Ida Rd.
243
Comment
CHSC51849
Asclepias fascicularis
L. P. Janeway
1988-6-5
2732
Butte
Cyn of Big Chico Cr ca 1 me NE of the end of Upper Park Rd.
213
Comment
CHSC44365
Asclepias speciosa
Lowell Ahart
1988-6-29
6112
Butte
Along Bean Creek Road, near camping area along Bean Creek, about 3/4 mile south-west of Johnson Ranch, about 2 1/4 miles south of Little Bald Rock.
548
Comment
CHSC47067
Asclepias speciosa
R. A. Schlising; P. Broyles
1988-7-9
4577
Butte
E of Paradise and Magalia, and N of Oroville and Jarbo Gap; along Rim Road.
792
Comment
CHSC51850
Asclepias speciosa
L. P. Janeway
1988-6-5
2728
Butte
Cyn of Big Chico Cr ca 1 mi NE of the end of Upper Park Rd.
213
Comment
JEPS102321
Asclepias speciosa
Lowell Ahart
2001-6-1
8748
Butte
7 1/2 mi W of Biggs (S side of Biggs - Princeton road, about 1 mi E of Butte Creek)
21
Comment
CHSC38872
Asparagus officinalis subsp. officinalis
Vernon Oswald
1983-5-11
467
Butte
Upper Bidwell Park, Chico, bordering the Golf Course s of Chico Creek and e of the footbridge.
91
Comment
CHSC32144
Aspidotis californica
L. Ahart
1975-4-1
734
Butte
Along Ponderosa Way, near Feather Falls.
365
Comment
POM120432
Aspidotis californica
C. C. Bruce
1897-06
1869
Butte
Iron Canyon.
Comment
UC398878
Aspidotis densa
E. B. Copeland
1929-7-13
328
Butte
Jonesville
1700
Comment
SEINET10473397
Aster
Mary Susan Taylor
Taylor 985
Butte
Bidwell Park, Chico.
Comment
CHSC43389
Astragalus gambelianus
Lowell Ahart
1979-5-29
1900
Butte
Under trees, about 1/2 mile east of Kinkle Creek, about 2 1/2 miles south-east of Paradise.
487
Comment
UCSB63844
Asyneuma prenanthoides
Ahart, Lowell
1997-8-1
Butte
West side of Little Kimshew Creek, about 1/4 mile east of Table Mountain, about 8 miles (air) northeast of Stirling City; T24N, R5E, Section 4
1371
Comment
CAS-BOT-BC68686
Athyrium filix-femina var. californicum
Lowell Ahart
1981-9-15
3153
Butte
Sierra Nevada - One hald mile N of the Lost Creek Reservoir
1100
Comment
SEINET11718751
Athyrium filix-femina var. californicum
Unknown
1985-1
5149
Butte
E of dirt road to Forbestown Res., ca 2.5 mi NE of Forbestown
869
Comment
CHSC101083
Athysanus pusillus
Lowell Ahart; John Dittes
2009-3-20
15498
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
CHSC43812
Athysanus pusillus
Lowell Ahart
1978-4-19
1649
Butte
Along the trail to Feather Falls, about 3 miles north of the town of Feather Falls.
548
Comment
SEINET10448433
Athysanus pusillus
Mary Susan Taylor
1980-2-23
Taylor 2318
Butte
T23N R4E central west border of sec 30. Magalia serpentine area near jct of the Skyway and Coutelenc Rd.
701
Comment
CAS-BOT-BC172671
Atriplex lentiformis
Lowell Ahart
1981-9-10
3144
Butte
Gray Lodge, SW of Gridley
35
Comment
CHSC34770
Atriplex lentiformis
L. Ahart
1981-11-6
3217
Butte
Near entrance to Graylodge Waterfowl Mgmt HQ, just w of Pennington Rd, ca. 12 mi sw of Gridley.
35
Comment
UCD97538
Atriplex micrantha
L. Ahart
1982-9-9
3766
Butte
100 meters n of check-in station, Graylodge Wildlife Refuge, 12 miles SW of Gridley.
Comment
CHSC26655
Atriplex triangularis
M. S. Taylor
1977-11-10
1524
Butte
Ca. 1 mi e of jct of Nelson West Rd and Chico-Butte Hwy, on n side of Nelson West Rd in drying creek, ca. 23 mi s of Chico.
30
Comment
CHSC34769
Atriplex triangularis
L. Ahart
1981-11-6
3221
Butte
On sides of a deep ditch, on n side of rd near the entrance to Graylodge Waterfowl Mgmt HQ, just w of Pennington Rd, ca. 12 mi sw of Gridley.
35
Comment
CAS-BOT-BC146178
Avena barbata
Ahart; Jokerst
1985-3-24
4856
Butte
Serpentine Point, west of Yankee Hill.
550
Comment
CHSC35663
Avena fatua
R. E. Preston
1982-4-22
251
Butte
Ca. 0.3 mi ne of Lime Saddle Powerhouse, ca. 4.5 mi se of Paradise.
353
Comment
CHSC46433
Avena fatua
Lowell Ahart
1989-5-23
6234
Butte
1/2 mile east of Dunstone Drive, about 1/2 mile north of Bangor Park Road, west of Bangor.
76
Comment
CHSC46434
Avena fatua
Lowell Ahart
1989-5-10
6218
Butte
Below the high water line of Lake Oroville, near the end of the dirt road that leads to Lake Oroville, about 1/12 mile north-west of the West Branch Bridge across Lake Oroville.
271
Comment
CAS-BOT-BC66235
Azolla filiculoides
Lowell Ahart
1981-9-27
3214
Butte
North-east of Palermo
80
Comment
SEINET10530428
Azolla mexicana
Mary Susan Taylor, Lowell Ahart
1982-10-11
Taylor 5162
Butte
T17N R2E se/se sec 18. Pennington quad. Graylodge Wildlife Refuge, n side of Rutherford Rd, ca. 0.5 mi e of Penning- ton Rd, ca. 12 mi sw of Gridley. 70 ft.
21
Comment
CHSC46038
Azolla microphylla
Lowell Ahart
1975-1-9
697
Butte
On the west side of North Honcut Creek, about 2 1/2 miles north and 3 miles east of Honcut, from Honcut go east to Dunstone Drive and stop when you get to the 'S' curve, then go west about 1/4 mile to North Honcut Creek.
60
Comment
CHSC59166
Azolla microphylla
Vernon H. Oswald
1992-9-21
5218
Butte
SE corner of Llano Seco, in a ditch crossing Seven Mile Lane ca. 0.25 mi N of Nelson West Rd.
30
Comment
SEINET10474447
Baccharis glutinosa
Lowell Ahart
1984-10-14
Ahart 4814
Butte
On dry gravel and sand bars along North Honcut Creek, ca. 3/4 mi N and 2 mi E of Honcut, on Joie Osgood property, ca. 12 mi S of Oroville. Foothill Woodland; 40 m elev.
40
Comment
SEINET10839234
Balsamorhiza sagittata
Mary Susan Taylor
1978-7-19
Taylor 1770
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
CHSC36680
Barbarea orthoceras
R. E. Preston
1982-6-25
317
Butte
On the bank of Kanaka Cr; in n meadow at site of Powellton, ca. 3 mi nw of Stirling City.
1097
Comment
CHSC6119
Bellis perennis
A. R. Jaegel
1968-3-3
164
Butte
Lawn near greenhouse at CSC Campus, Chico.
Comment
CHSC60575
Berberis aquifolium var. dictyota
Vernon H. Oswald; Lowell Ahart
1993-4-19
5286
Butte
Rattlesnake Creek Trail between Jordan Hill Rd. and Sawmill Pk. Lookout, ENE of Magalia.
859
Comment
CHSC7073
Berberis aquifolium var. dictyota
R. B. Watkins
1969-3-31
12
Butte
.6 mi e of Jarbo gap, 2yds. S on Forest Service Rd. #23N12.
670
Comment
CAS-BOT-BC75549
Berberis dictyota
Lowell Ahart
1988-3-27
5942
Butte
Along Poe Power House Road, about 0.1 mile north of the bridge across the North Fork of the Feather River.
350
Comment
JEPS110451
Bergia texana
Lowell Ahart
2006-8-5
13083
Butte
On the bottom of a large wash, Peter Ahart Ranch, about 1 1/2 miles north and 300 yards east of Honcut, about 12 miles south of Oroville
30
Comment
CDA42925
Bidens frondosa
L. Ahart
2012-9-28
18458
Butte
Just east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
Comment
CHSC97740
Bidens frondosa
Lowell Ahart
2007-11-3
14570
Butte
Below the high water line of Lake Oroville, about 3/4 mile east of the Power House below Kunckle Reservoir, about 1 1/4 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise.
259
Comment
JEPS110125
Bidens frondosa
Lowell Ahart
2006-9-28
13363
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
SBBG128778
Bidens frondosa
L. Ahart
2013-11-17
19259
Butte
sides of McCabe Crk, below the high water line of Lake Oroville, ca. 5/8 mi SW of Enterprise Bridge across Lake Oroville
245
Comment
UC726942
Boechera breweri subsp. shastaensis
A. A. Heller
1920-3-28
13359
Butte
Ten Mile House
Comment
CAS-BOT-BC14290
Boechera platysperma
A. A. Heller
1917-7-29
12859
Butte
Summit above Jonesville.
2133
Comment
CHSC110354
Bolboschoenus fluviatilis
B. Castro; Margie Graham
2006-8-24
1601
Butte
Sacramento Valley Ca 1 mi W of Hwy 99 and 3 mi NE of Richvale, just S of the Western Canal siphon in Cherokee Canal. On E side of canal ca 100 ft S of dirt road crossing the canal.
35
Comment
CAS-BOT-BC28203
Bolboschoenus glaucus
Verne Grant; Herbert L. Mason
1956-8-7
12291
Butte
Gridley Road north of Butte Sink
Comment
CHSC48891
Boykinia occidentalis
Vernon Oswald
1985-9-5
1939
Butte
Forbestown Resevoir Rd. 1.4 mi ne of Forbestown Rd.
861
Comment
JEPS115997
Brachypodium distachyon
Lowell Ahart
2009-6-3
15821
Butte
About 100 yards west of the table at the old homestead and about 50 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico
232
Comment
JEPS98986
Brassica napus
Lowell Ahart
2001-5-10
8739
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) SW of Gridley.
22
Comment
CHSC37451
Brassica nigra
L. Ahart
1982-5-29
3449
Butte
In a field, n of the Peter Ahart Ranch, ca. 2.5 mi n and 1 1/4 mi e of Honcut.
50
Comment
CHSC33181
Brassica rapa
R. E. Preston
1981-1-20
34
Butte
On n bank of Western Canal, ca. 30 m e of Aguas Frias Rd., ca. 18.5 km s of Chico.
Comment
CAS-BOT-BC106320
Brickellia californica
Lowell Ahart
1980-9-10
2631
Butte
1 mile north-east of Milsap Bar - Sierra Nevada
900
Comment
CHSC2125
Briza minor
M. Roberson
1956-5-14
Butte
SW of Paradise, along Skyway.
426
Comment
CHSC49510
Briza minor
Vernon Oswald
1985-5-13
1754
Butte
Upper Bidwell Park, Chico, on the rocky bed of Chico Creek at the retaining wall at the e end of Centennial Ave.
85
Comment
UC1130947
Briza minor
J. E. Sowder
1933-6-20
87
Butte
1 1/4 mi nw Yankee Hill; Chico
Comment
SEINET10901185
Briza minor
A. Arthur Heller
1914-4-14
Heller 11289
Butte
Hills 8 miles north of Oroville.
Comment
UCD147862
Brodiaea coronaria
Robert E. Preston
2005-6-13
2354
Butte
Ca. 4 mi NW of Oroville, in field along N side of Cottonwood Rd.
55
Comment
UCD77145
Brodiaea coronaria
Robert E. Preston
2003-5-11
2134
Butte
Chico, Upper Bidwell Park, ca. 0.2 mi NE of jct Wildwood Ave. and Upper Park Rd
83
Comment
CHSC101823
Brodiaea elegans subsp. elegans
Lowell Ahart
2009-5-23
15767
Butte
Along the rim, north of a small drainage, on the west side of Guardians Trail, just northwest of Pine Trail, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
381
Comment
CHSC90224
Brodiaea elegans subsp. elegans
Robert Kissane
1989-5-12
2
Butte
East side of Bruce Road, ca. 500 m s of Humboldt Road, Chico.
80
Comment Read comments Jun 17 2014
POM169538
Brodiaea elegans subsp. elegans
A. A. Heller, H. E. Brown
1902-5-8
5492
Butte
Berry Canyon (near Clear Creek)
Comment
CAS-BOT-BC482198
Brodiaea elegans subsp. elegans
John Thomas Howell
1967-6-22
42626
Butte
Magalia, Sierra Nevada
701
Comment
CHSC22948
Brodiaea minor
Robert A. Schlising; Et al.
1964-6-11
2721
Butte
0.7 miles south of Paradise along Honeyrun Road.
Comment
HSC32627
Brodiaea minor
David Johnson
1974-4-20
17
Butte
1 mi. E of Hwy. 99 along Skyway Rd.
Comment
SBBG45026
Brodiaea minor
L. Constance
1941-5-28
2825
Butte
foothills 3 mi SW of Paradise
304
Comment
UC143034
Brodiaea minor
Mrs. R. M. Austin
1890-1
816
Butte
e Chico
Comment
RSA178621
Brodiaea purdyi
A. A. Heller
1928-6-28
14657
Butte
At Butte Meadows.
Comment
HSC66096
Brodiaea purdyi
M. S. Taylor, R. S. Schlising
1980-6-7
3085
Butte
N side of Old Humboldt Rd. just W of Butte Meadows Ranger Station
1341
Comment
CHSC112681
Brodiaea sierrae
Lowell Ahart
2013-7-1
18812
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
CHSC39506
Brodiaea sierrae
Lowell Ahart
1983-6-15
4053
Butte
Along the edges of North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 3 miles east of Honcut.
50
Comment
CHSC46855
Brodiaea sierrae
R. A. Schlising; P. Broyles
1988-7-9
4574
Butte
E of Paradise and Magalia, and N of Oroville and Jarbo Gap; along Rim Road.
792
Comment
UCD60270
Bromus
E. Wilson
1940-6-21
s.n.
Butte
De Sabla.
Comment
CDA1783
Bromus alopecuros
L. Ahart
2002-5-15
9662
Butte
About 1/4 mile east of Highway 70, about 12 miles southwest of Oroville. On the south side of Central House Road, about 80 yards east of the bridge across Whyman Ravine.
Comment
CHSC68526
Bromus alopecuros
Lowell Ahart
1997-5-5
7737
Butte
Peter Ahart Ranch, about 2 miles north and 1/10 mile east of Honcut, about 12 miles south of Oroville.
33
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
SEINET10662688
Bromus carinatus var. carinatus
Lowell Ahart
2004-6-2
Ahart 10989
Butte
T19N, R6E, southeast 1/4 Section 18. On the east side of a logging road, on the north side of Forbestown Road, about 200 yards east of the intersection of Black Bart Road and Forbestown Road, about 3 1/4 miles (air) southwest of Forbestown.
752
Comment
CAS-BOT-BC156295
Bromus caroli-henrici
Lowell Ahart
1984-5-31
4655
Butte
Peter Ahart Ranch, Honcut. About 1.25 mile north and 1/8 mile east of Honcut, about 12 miles south of Oroville.
50
Comment
CHSC101659
Bromus diandrus
Lowell Ahart
2009-4-26
15611
Butte
About 10 miles northeast of Chico, Upper Bidwell Park, on the west side of Highway 32, west of the parking area at the intersection of Highway 32 and Ten Mile House Road.
461
Comment
CHSC4414
Bromus diandrus
J. Francis
1966-5-18
Butte
On perimeter of pond n of golf course, Bidwell Park. Chico.
Comment
CAS-BOT-BC155461
Bromus hordeaceus
Lowell Ahart
1982-6-4
3549
Butte
Sierra Nevada. On a lava cap, ca. 1.5 mile east of Camp 18, ca. 8 miles east of Feather Falls.
1000
Comment
CHSC28863
Bromus hordeaceus
J. D. Jokerst; T. B. Devine, D. Greenstein
1979-5-18
466
Butte
Top of North Table Mt., ca 400 m NW of Jct of Cherokee Rd., and E edge of Mt.
396
Comment
RSA712855
Bromus hordeaceus
L. Ahart
2006-5-10
12621
Butte
on the north side of the poor dirt road, Bardees Bar, about 2 1/2 miles (air) southwest of Pulga.
355
Comment
SEINET10514552
Bromus hordeaceus
Lowell Ahart
1962-4-17
Ahart s.n.
Butte
Valley grassland; Peter Ahart Ranch, Honcut.
46
Comment
CHSC88196
Bromus inermis subsp. inermis
Lowell Ahart
2004-7-23
11307
Butte
On the west side of Philbrook Reservoir Road, about 20 yards south of the bridge across the West Branch of the Feather River, about 1 1/2 miles (air) northwest of Philbrook Reservoir Dam, about 3 3/4 miles (air) southeast of Butte Meadows.
1507
Comment
JEPS106211
Bromus laevipes
Lowell Ahart
2004-6-2
10988
Butte
Near a small meadow, on the east side of a logging road, on the north side of Forbestown Road, about 200 yards east of the intersection of Black Bart Road and Forbestown Road, about 3 1/4 miles (air) southwest of Forbestown
752
Comment
JEPS113794
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
UCD58928
Bromus laevipes
Beecher Crampton
1965-6-17
7383
Butte
Butte-Yuba Co. Border: Just west of Rackerby Store. La Porte Road.
420
Comment
CHSC28998
Bromus madritensis subsp. rubens
M. S. Taylor
1980-4-1
2423 A
Butte
On bluffs on s side of Butte Creek, ca. 1/4 mi downstream from Honey Run Covered Bridge, ca. 6 mi e of Chico.
182
Comment
JEPS118076
Bromus madritensis subsp. rubens
Lowell Ahart
2011-5-1
17345
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
CHSC49517
Bromus orcuttianus
Vernon Oswald
1985-7-2
1874
Butte
Hwy 32 2.3 mi s of Lomo. Logged area.
1133
Comment
CHSC68912
Bromus orcuttianus
Lowell Ahart
1997-7-11
7752
Butte
South side of the dirt road, southeast of Cold Creek, about 2 miles (air) southwest of Bald Mountain, about 9 miles by road from Stirling City, or about 2 miles (air) northeast of Stirling City.
1219
Comment
CHSC94341
Bromus orcuttianus
Lowell Ahart
2006-7-25
13054
Butte
West edge of a large meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1569
Comment
SEINET11688661
Bromus rubens
J. M. Lund
1980-1
20
Butte
0.5 mi N of airport turn off, on Cohasette road, N of Chico
76
Comment
CAS-BOT-BC161503
Bromus tectorum
Javier Penalosa
1962-6-18
2463
Butte
Near confluence of French and Peavine Creeks.
609
Comment
CHSC111721
Bromus tectorum
Lowell Ahart
2012-6-14
18187
Butte
On the south side of the path, south of CARD Community Center, Lower Bidwell Park, Chico.
62
Comment
HSC93416
Bromus tectorum
L. Ahart
1995-5-30
7585
Butte
S of Beatson Hollow, about 3/4 mi. NW of Cherokee Rd., North Table Mtn., 7 mi. N of Oroville
305
Comment
NY664734
Bromus tectorum
A. A. Heller
1919-5-17
13163
Butte
Banks of the Feather river near Stirling
Comment
JEPS113695
Bulbostylis capillaris
Lowell Ahart
2007-6-12
14073
Butte
Along swales, in a large bare granite opening (about an acre in size), northeast of Little Bald Rock, about 300 yards east of Bean Creek Road, about 16 miles (air) northeast of Oroville
1009
Comment
CHSC38281
Callitriche heterophylla var. bolanderi
Vernon Oswald
1983-3-9
146
Butte
Upper Bidwell Park, Chico, 400 ft w of Day Camp. In an oxbow near Chico Creek.
91
Comment
CHSC30881
Callitriche marginata
J. D. Jokerst
1979-4-2
1166
Butte
Top of North Table Mt, ca 200 m S of the intersection of Cherokee Rd and the E edge of section.
396
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
CHSC103161
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
CHSC29786
Calocedrus decurrens
M. S. Taylor
1980-5-27
2698
Butte
On Big Bald Rock, granite dome, ca. 3 mi e of Lake Madrone.
997
Comment
CHSC33953
Calocedrus decurrens
M. S. Taylor
1981-8-15
4182
Butte
On n side of Skyway, Inskip.
1463
Comment
CHSC57546
Calochortus albus
Robert C. Hill
1990-4-12
15
Butte
At intersection of McCabe Creek, Lumpkin Road, 1 mi s of South Fork Feather River, 13 mi e of Oroville.
396
Comment
SEINET12044754
Calochortus albus
J. H. Morrison
1932-1
s.n.
Butte
Durham
Comment
CAS-BOT-BC487815
Calochortus coeruleus
Lowell Ahart
1973-5-28
s.n.
Butte
South and East of La Porte
1371
Comment
CHSC20263
Calochortus luteus
Linda Homze
1972-4-24
6
Butte
Collected at Salmon Hole in upper Bidwell Park.
Comment
CHSC27323
Calochortus luteus
T. B. Devine
1977-5-22
400
Butte
Wurlitzer Farm, Vina Prairie.
57
Comment
CAS-BOT-BC491847
Calochortus luteus
Mrs. J. H. Morrison
1932-5-8
s.n.
Butte
Durham
Comment
CAS-BOT-BC491858
Calochortus luteus
H. C. Cantelow
1940-5-10
s.n.
Butte
10miles east of Oroville, Bidwell Bar Bridge
Comment
RSA21631
Calochortus luteus
Carl B. Wolf
1937-6-12
8785
Butte
Northern Sierra Nevada foothills, 11 miles below Magalia on Oroville road
152
Comment
SEINET12044178
Calochortus luteus
L. S. Rose
1931-1
s.n.
Butte
Coast Ranges and foothills of Sierra Nevada
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
CHSC115498
Calochortus monophyllus
L. P. Janeway
2015-3-16
11637
Butte
Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way at Road 19N19, 1.0 road-km northwest of Lower Forbestown Road, just before the canyon becomes steep into South Fork Feather River arm of Lake Oroville.
747
Comment
CHSC2240
Calochortus monophyllus
M. Roberson
1956-4-7
Butte
SW of Paradise, along Skyway.
426
Comment
CAS-BOT-BC492601
Calochortus monophyllus
Jim Riley
1923-4-2
s.n.
Butte
Richardson Spring
Comment
POM109674
Calochortus monophyllus
Mrs. R. M. Austin
1883-05
14
Butte
Little Chico Creek
Comment
CHSC62607
Calochortus superbus
B. Castro; J. Jurewicz
1993-7-7
467
Butte
Ca 2.5 mi SSW of Big Bar Mtn, on SE-facing slope on the N side of USFS Rd 22N84.
944
Comment
CHSC77453
Calochortus tolmiei
Laura Bogni
1997-4-5
12
Butte
Magalia Grove. West side of Coutelenc Rd.; 1 mi. due W of Sawmill Peak; 1/2 mi. SE of Magalia Reservoir.
701
Comment
CHSC98583
Calochortus tolmiei
L. P. Janeway; B. Castro
2007-5-6
8968
Butte
Northern High Sierra Nevada. Ridge top along a side road north of the road from Sawmill Peak to Flea Valley, 1.8 air km northeast of Sawmill Peak.
969
Comment
SEINET10469608
Calochortus tolmiei
Lowell Ahart
1985-5-15
Ahart 5000
Butte
1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow of Reservoir.
Comment
CAS-BOT-BC273290
Calycadenia fremontii
G. D. Carr
1978-7-7
792 (1978)
Butte
NE of Chico, Upper Bidwell Park (Devils Kitchen), 4.6 mi NE of Manzanita Ave on Upper Bidwell Canyon Rd via Wildwood Ave
232
Comment
CAS-BOT-BC270009
Calycadenia multiglandulosa
Lowell Ahart
1976-11-12
s.n.
Butte
Peter Ahart Ranch, Honcut
Comment
RSA337395
Calycadenia multiglandulosa subsp. bicolor
L. Ahart, Peter Ahart
1984-6-10
4687
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
CAS-BOT-BC106092
Calycadenia oppositifolia
A. A. Heller
1926-5-22
13940
Butte
Along the Richardson Springs Road three miles north of Chico.
Comment
CHSC28518
Calycadenia oppositifolia
M. S. Taylor; J. D. Jokerst
1979-10-13
2272
Butte
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, ca. 2 mi E of Magalia.
853
Comment
CHSC45540
Calycadenia oppositifolia
1976-5-28
Butte
PG and E power line right-of-way on rd to Miller's Pond, ca 0.5 mi W of Hwy 70 at Rockhouse; 0.5 mi S of Jarbo Gap.
655
Comment
CHSC91459
Calycadenia oppositifolia
Lowell Ahart
2005-7-12
12136
Butte
On the west side of Encina Grade Road (Bloomer Hill Road), about 2 miles (air) southeast of Bloomer Hill, about 2 miles west of Oroville Quincy Highway.
623
Comment
LA203134
Calycadenia oppositifolia
D. Keck;
1933-5-31
2411
Butte
4.3 mi. N. of Chico on Richardson Springs road
Comment
UC398686
Calycadenia oppositifolia
A. A. Heller
1926-5-22
13940
Butte
3 mi n of, along the Richardson Springs road Chico
Comment
CDA10581
Calycadenia truncata
L. P. Janeway
2005-7-16
8496
Butte
Northern High Sierra Nevada; On Rocky Ridge, along Rim Road (Ponderosa Way); about 1.3 km south of Batchelor Point.
Comment
CHSC98900
Calycadenia truncata
L. P. Janeway
2007-10-20
9219
Butte
Cascade Range Foothills. Upper Bidwell Park, Chico; south edge of the top of North Rim overlooking Bear Hole.
291
Comment
LA203131
Calycadenia truncata
D. Keck; J. Clausen
1935-6-25
3778
Butte
2.2 mi. S. of Flea Valley on road to Yankee Hill
Comment
CDA10584
Calycadenia truncata subsp. scabrella
T. C. Fuller
1959-7-6
Butte
Highway 40A, 7.5 miles north of Oroville.
0
Comment
RSA168723
Calycanthus occidentalis
R. M. Straw
1962-6-26
2194
Butte
Canyon of Middle Fork of the Feather River near Millsaps Bar. [Milsap Bar]
305
Comment
OBI5732
Calyptridium monospermum
H. F. Copeland
1928-8-20
1016
Butte
Jonesville
1524
Comment
UC203617
Calyptridium monospermum
A. A. Heller
1914-6-24
11512
Butte
w side of Sierra Nevada at West Branch; Sierra Nevada
1036
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
SEINET263497
Calyptridium umbellatum
R. J. Shaw
1993-5-23
5094
Butte
East of Chico at mile marker 31 of Hwy 32
1000
Comment
CAS-BOT-BC223608
Calystegia atriplicifolia subsp. buttensis
R. K. Brummitt; R. Schlising
1998-5-16
19866
Butte
Between Paradise and Magalia; beside Skyway
650
Comment
CHSC33653
Calystegia atriplicifolia subsp. buttensis
R. A. Schlising; R. Banchero
1980-6-12
3681
Butte
Along Hwy 32, 0.2 mi N of main intersection of Forest Ranch.
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
CHSC94164
Calystegia atriplicifolia subsp. buttensis
Lowell Ahart
2006-6-24
12858
Butte
Disturbed area on the west side of the dirt road (Ponderosa Way), at an intersection, a gated road goes northwest, on Cohasset Ridge, about 3 3/4 miles (air) northeast of Cohasset.
1127
Comment
HSC96804
Calystegia atriplicifolia subsp. buttensis
L. Ahart
2006-6-24
12858
Butte
W side of Ponderosa Way going NW on Cohasset Ridge about 3.75 mi. NE of Cohasset
1128
Comment
JEPS113304
Calystegia atriplicifolia subsp. buttensis
L. P. Janeway
2006-7-9
8804
Butte
High Cascade Range. Doe Mill Ridge; along Doe Mill Road 3.1 km north-northeast of Schott Road.
Comment
CDA13228
Campanula prenanthoides
G. F. Hrusa, T. D. Wilfred
1996-7-8
13075
Butte
Plumas National Forest; Along Old Railroad Grade Rd. immed. above Paradise Lake dam, approx. 3 m. N of Magalia.
Comment
SEINET10463037
Campanula prenanthoides
C. A. Purpus
Purpus 5656
Butte
Wet meadows, Farewll Gap
1219
Comment
CHSC103660
Capsella bursa-pastoris
Lowell Ahart
2010-2-13
16567
Butte
Corral west of metal barn, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
39
Comment
JEPS122230
Capsella bursa-pastoris
Lowell Ahart
2014-4-26
19418
Butte
On the south side of Butte City Highway (Highway 162), collected from the railroad to the east about 200 yards, east of the Rice Experiment Station.
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
CHSC116961
Cardamine californica
Matthew Forster
2013-2-27
Butte
Found on Yahi trail in Riparian Community along Big Chico Creek.
90
Comment
RSA0116210
Cardamine californica
Mrs. R. M. Austin
1883-04
21
Butte
Little Chico Creek.
Comment
CAS-BOT-BC37791
Cardamine nuttallii
A. A. Heller
1922-3-19
13599
Butte
Magalia.
Comment
CHSC12167
Cardamine oligosperma
Lowell Ahart
1973-2-21
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC88857
Cardamine oligosperma
Christine Hantelman
2000-2-18
5
Butte
Along Meridian road 1/4 mile north of Hwy 99 turnoff. In ditch on north side of road.
57
Comment
SEINET11991665
Cardamine oligosperma
M. C. Earley
1982-1
12
Butte
ca 11 mi ESE of Chico
112
Comment
CHSC31095
Cardamine pachystigma
Leslie Steidl
1980-3-15
2
Butte
Ca. .9 mi nw of Lumpkin Rd. on Island Bar Hill Rd and 4 ft s of Island Bar Hill Rd, 22 mi ene of Oroville.
719
Comment
JEPS117181
Carex
Lowell Ahart
2010-4-23
16579
Butte
Lawn of home #1082, near the middle of and north side of E7th Street, between Sycamore Street and Linden Street, Chico
63
Comment
CHSC113937
Carex abrupta
Lowell Ahart
2014-8-13
19707
Butte
20 yards east of the east edge of a large wet meadow (some bog), about 130 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
CHSC52278
Carex abrupta
L. P. Janeway; R. A. Schlising
1988-7-22
3068
Butte
Upper canyon of Philbrook Cr, 0.7 mi W of the pass.
1889
Comment
SEINET10467019
Carex amplifolia
Lowell Ahart
1983-9-17
Ahart 4439
Butte
T24N R4E section 34. Ca. 1/4 mi se of Stirling City. Yellow Pine Forest; 1100 m.
1100
Comment
JEPS121931
Carex aurea
Lowell Ahart
2014-7-16
19677
Butte
About 50 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
UC478553
Carex aurea
E. B. Copeland
1930-6-23
608
Butte
Jonesville
1500
Comment
RSA4411
Carex aurea
E. B. Copeland
1930-6-23
s.n.
Butte
Jonesville.
1500
Comment
CHSC109622
Carex barbarae
Lowell Ahart; Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-10
18004
Butte
West of the horse path, on the south 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
CHSC52271
Carex bolanderi
L. P. Janeway
1988-5-29
2676
Butte
Canyon of Big Chico Creek; seep along Ponderosa Way 1.2 mi NW of the creek crossing.
426
Comment
SEINET10706540
Carex bolanderi
Lawrence P. Janeway, Robert A. Schlising
1988-7-16
Janeway 3018
Butte
T26N, R5E, Jonesville Quad (15'), NW 1/4 of sec 21. Along Willow Creek, 1 mile west of Humbug Road. Small open sedge-dominated moist meadow above the creek. With C. heteroneura, C. lemmonii, C. subfusca. In forest of Jeffrey Pine and White Fir.
1798
Comment
CHSC102212
Carex brainerdii
L. P. Janeway
2009-11-14
9961
Butte
High Cascade Range. Along Skyway 2.8 km north of Stirling City, top of ridge between Long Ravine and West Branch Feather River.
1183
Comment
CHSC102951
Carex brainerdii
L. P. Janeway
2006-5-14
8595
Butte
Northern High Sierra Nevada. 'Magalia Serpentine,' east side of Coutolenc Road, between that road and the first bend in the road down to the 'Magalia 73 Dam.
707
Comment
SEINET10905651
Carex brainerdii
Mary Susan Taylor
1978-5-6
Taylor 1578
Butte
Just N of Magalia, in large serpentine area along the Skyway.
610
Comment
SEINET7552657
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. Kimshew Point 7.5' quad.
1317
Comment
HSC89408
Carex cusickii
Sandy Morey
1983-7-23
575
Butte
Cherry Hill Meadow, on N side of Humboldt Rd., 3.2 mi. E of Butte Meadows
1414
Comment
CHSC111018
Carex cyrtostachya
L. P. Janeway; Lowell Ahart, Linnea Hanson
2007-7-10
9112
Butte
Northern High Sierra Nevada. Small seepage/drainage (now dry) on the west edge of a low broad granite slab, 170 m east-northeast of Bean Creek Road and 1.1 km northeast of Little Bald Rock.
1013
Comment
CHSC71402
Carex cyrtostachya
Lowell Ahart
1998-7-19
8052
Butte
On the north side of the dirt road, about 1/2 mile northwest of the Lost Creek Reservoir, about 3/4 mile northwest of the Lost Creek Dam.
1021
Comment
CHSC47130
Carex densa
Vernon Oswald
1983-4-6
294
Butte
Upper Bidwell Park, Chico, on Yahi Trail between Brown's Hole and the e end of the park.
198
Comment
JEPS94824
Carex densa
Lowell Ahart
1998-6-9
7989
Butte
about 7 air mi n of Oroville (sw of the ione oak tree, nw of the cow chute along Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road
403
Comment
CDA14070
Carex feta
G. F. Hrusa, T. D. Wilfred
1997-5-1
13717 A
Butte
Sierra Nevada; NE side of upper end of Paradise Lake. Where last tributaries from E enter. Old growth Douglas-fir/mixed hardwoods. Moist site, outside standing water, on lakeshore. Clumping perennial.
Comment
HSC87238
Carex fracta
L. P. Janeway
1988-6-16
2811
Butte
Along Butte Creek, 1.4 mi. S of Humboldt Rd. via the road in the W side of the canyon
1265
Comment
JEPS110318
Carex fracta
Lowell Ahart
2006-7-25
13068
Butte
West edge of a large meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows
1569
Comment
JEPS87705
Carex gracilior
Lowell Ahart
1994-4-29
7291
Butte
about 2 1/2 mi n and 2 3/4 mi e Honcut (on the w side of North Honcut Creek, about 12 mi se of Oroville); North Honcut Creek
54
Comment
SEINET7485255
Carex gracilior
Peter F. Zika
2009-1
24509
Butte
SE side of Concow Road at south end of Concow Reservoir, 3.7 road miles N of Route 70, Cascade Range Highlands (CaRH)
640
Comment
UCD140427
Carex heteroneura
L. P. Janeway
1986-9-1
1827
Butte
east end of Philbrook Reservoir.
1691
Comment
CHSC61651
Carex heteroneura var. heteroneura
Lowell Ahart
1993-9-8
7157
Butte
On the north side of the ridge, about 1 mile east of Snow Mountain.
2072
Comment
JEPS103107
Carex hoodii
L. P. Janeway, B. Castro
2002-7-7
7619
Butte
High Cascade Range. Along logging spur road, 0.5 km east of the County Road (Forest Service Road 25N02); 3.4 km northeast of Bald Mountain Lookout and 1.6 km southwest of Jones Meadow
1829
Comment
CHSC94260
Carex integra
Lowell Ahart
2006-7-16
12990
Butte
On the east side of Willow Creek, on the east side of a large meadow and bog, about 200 yards southeast of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1569
Comment
JEPS117658
Carex integra
Lowell Ahart
2010-9-21
17218
Butte
Open meadow like area, near a poor camp, 30 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir
1917
Comment
CHSC52916
Carex jonesii
L. P. Janeway
1988-7-2
2945
Butte
Marsh-meadow at upper reach of Brush Creek, ca 1.5 mi S of 'town' of Brush Creek.
952
Comment
CHSC84752
Carex jonesii
L. P. Janeway
2003-7-13
7900
Butte
High Cascade Range. Meadow along southeast side of Humbug Summit Road, at the Cornelia Lott Sank Memorial Spring.
1519
Comment
CHSC94286
Carex jonesii
Lowell Ahart
2006-7-16
12992
Butte
On the west edge of Willow Creek, on the east side of a large meadow and bog, about 200 yards southeast of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1569
Comment
SEINET12649529
Carex leavenworthii
Lowell Ahart
2012-1
18190
Butte
62
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
CHSC45255
Carex lemmonii
L. P. Janeway; R. A. Schlising, B. Castro
1988-7-23
3086
Butte
Along Scotts John Cr 2.7 mi N of the Butte Cr rd.
1920
Comment
CHSC86130
Carex lemmonii
John Dittes; Josephine Guardino
2002-6-21
616
Butte
Northern High Sierra Nevada Range; Watson Ridge; ca. 1.2 air-miles east of Middle Fork Feather River, ca. 1.7 air-mile north by northwest of Feather Falls Overlook, ca. 5.4 air-miles west by southwest of Cascade.
1133
Comment
CHSC88156
Carex lemmonii
Lowell Ahart
2004-7-23
11296
Butte
On the sides of a small stream, about 20 yards northwest of the dirt road to the West Branch Campground, about 50 yards southeast of the intersection of Humbug Road and Philbrook Reservoir Road, about 1 3/4 miles (air) west of Philbrook Reservoir Dam, about 3 miles (air) southeast of Butte Meadows.
1586
Comment
JEPS105283
Carex lemmonii
Dean W. Taylor
1995-8-6
15396
Butte
5 air mi NE of Stirling City; boggy meadow 0.5 mi E of Bald Mountain summit; Lassen National Forest; Northern Sierra Nevada
1706
Comment
RSA774128
Carex luzulina var. ablata
L. Ahart
2010-9-21
17219
Butte
Near a poor camp, 30 yards west of Big Kimshew Creek, about 1.5 air miles NE of Jones Meadow, about 2.5 air miles SE of Philbrook Reservoir
1918
Comment
CAS-BOT-BC32156
Carex multicaulis
Herbert Faulkner Copeland
1931-6-10
1546
Butte
Woods between Willow and Colby Creeks. Jonesville
Comment
CHSC103223
Carex multicaulis
L. P. Janeway; Matt Simenc, Sarah Starkey, Nicole Habecker
2010-5-25
9979
Butte
Northern High Sierra Nevada. Plumas National Forest; near Bean Creek Road near the Dome Trail Trailhead, 1.4 km south of Bald Rock Dome; near top of ridge between Bean Creek and Middle Fork Feather River.
853
Comment
UCD40402
Carex multicaulis
Rodney Gale Myatt
1971-6-13
725
Butte
1 mi. north of Inskip. Skyway Road, north of Paradise. Road between Butte Meadows and Magala.
Comment
SEINET10713512
Carex multicaulis
Lawrence P. Janeway
1988-6-19
Janeway 2830
Butte
T24N, R4E, Stirling City quad. NW1/4 of sec. 16. 2.4 mi N of Stirling City towards Inskip, along dirt logging road 0.1 mi W of Skyway. W-facing roadcut of steep soft dirt. With C. brainerdii.
1173
Comment
SEINET10752877
Carex multicostata
Vernon H. Oswald, Lowell Ahart
1988-7-26
Oswald 3630
Butte
Snopw Mt. region located ca. 6 air mi SE of Jonesville.
Comment
SEINET7568661
Carex nebrascensis
Unknown
2004-8-15
8245
Butte
Jonesville 7.5' quad. High Cascade Range, at Cold Springs, north side of Humbug Summit Road halfway between Willow Creek and Humbug Summit.
1975
Comment
CHSC33861
Carex nudata
J. D. Jokerst; M. S. Taylor, L. Ahart
1980-4-7
560
Butte
Rocky Honcut Creek (upper) ca 100 ft. N of it's jct with Sweedes Flat Rd. (E of Rackerby, 10 mi SE of Oroville).
Comment
CHSC51429
Carex pendula
L. P. Janeway
1989-12-1
3653
Butte
Along Comanche Creek (Edgar Slough) behind the office of USFS Tree Improvement Center.
68
Comment
CHSC47137
Carex praegracilis
L. P. Janeway; Vern H. Oswald
1989-4-17
3221
Butte
Along E side of Butte Cr 2.4 mi S of Biggs-Princton Rd (Afton Rd).
18
Comment
CHSC47060
Carex retroflexa var. texensis
L. P. Janeway
1989-4-10
3215
Butte
South side of Chico; along Salem Ave about W 14th St.
59
Comment
CHSC44948
Carex simulata
L. P. Janeway; R. A. Schlising, B. Castro, Pauleen Broyles
1987-7-19
2504
Butte
Coon Hollow, 1.0 mi SE of the Humbug Summit Rd. Mdw on north side of the creek.
1661
Comment
CHSC44107
Carex stipata var. stipata
L. P. Janeway
1987-6-8
2175
Butte
Boggy shady area of Jack Cr on upper side of dirt road 8.6 mi south of Big Bar Mtn via dirt road.
746
Comment
CHSC61511
Carex stipata var. stipata
Lowell Ahart
1993-7-6
7051
Butte
In a small meadow, on the north side of the dirt road, about 1/4 mile west of the Lost Creek Reservoir.
1036
Comment
CHSC52882
Carex subfusca
L. P. Janeway
1987-6-19
2229
Butte
Along Sly Cr, 2.1 mi from the Challenge-LaPorte Rd along the road to the SE side of Sly Cr Reservoir.
1097
Comment
RSA4408
Carex subfusca
E. B. Copeland
1929-7-20
611
Butte
Jonesville.
1500
Comment
SEINET7486528
Carex subfusca
Peter F. Zika
2009-6-17
24515
Butte
below Concow Road 10 road miles above (N of) Route 70
1100
Comment
CAS-BOT-BC116743
Carex subfusca
L. P. Janeway
1988-6-14
2772
Butte
Ewalt Camp, along W branch Butte Cr. 2.0 mi E from Hwy 32 by dirt road.
922
Comment
SEINET10750078
Carex subfusca
Lawrence P. Janeway, Robert A. Schlising; B. Castro; Pauleen Broyles
1987-7-19
Janeway 2497
Butte
T26N, R4E, Jonesville quad (15') SE1/4 of sec. 36. Coon Hollow, 1.0 mi SE of the Humbug Summit Rd.
1661
Comment
SEINET10880020
Carex tompkinsii
Mary Susan Taylor
1980-5-8
Taylor 2599
Butte
T24N, R3E E half NW sec. 33. Paradise quad. Ca. 3 mi N of Forest Ranch, ca. 1 mi. E of Hwy 32; area soon to be deve loped; Yellow Pine Forest.
853
Comment
SEINET10946139
Carex vulpinoidea
Vernon H. Oswald, Lowell Ahart
1990-5-26
Oswald 4254
Butte
T18N R3E ne/ne/S3, Freshwater Marsh in Riparian Woodland. Oroville Wildlife Area on the east side of the Feather River, Pacific Heights Rd entrance, south of Oroville. Densely cespitose sedge on wet, sandy soil bordering a dredge pond.
32
Comment
CHSC99390
Carex whitneyi
Robert F. C. Naczi; Lawrence P. Janeway
2004-7-24
10532
Butte
Ca. 6 mi ENE of village of Butte Meadows, along Scotts John Creek, near its crossing by Forest Service Road 26N27. Upslope from creek.
1740
Comment
UCR88005
Carex xerophila
J. T. Howell, G. H. True
1969-4-9
45490
Butte
Sierra Nevada Mountains, Magalia
701
Comment Read comments Oct 10 2010
CAS-BOT-BC248933
Castilleja
A. A. Heller
1913-6-7
10808
Butte
Near Stirling
1074
Comment
CHSC115360
Castilleja affinis subsp. affinis
Lowell Ahart
2015-3-21
19956
Butte
Steep east road cut, along Oregon Gluch Road, about one mile south of Oregon City, about 4 1/2 miles north of the intersection of Cherokee Road and Oregon Gulch Road, about 8 miles north of Oroville.
308
Comment
CHSC77494
Castilleja affinis subsp. affinis
Tim Stofer
1997-4-12
9
Butte
Located on the east side of trail. 1/4 mi. from the shooting range of the South Rim Trail off South Park Dr. in upper Bidwell Park.
76
Comment
UC726977
Castilleja affinis subsp. affinis
A. A. Heller
1941-4-12
16066
Butte
2 mi above Pentz (Pentz-Paradise Grade)
Comment
CAS-BOT-BC249592
Castilleja applegatei subsp. pinetorum
Rimo Bacigalupi; Richard Hauke; Geo. Bacigalupi, Jr.
1954-7-15
4723
Butte
Along sides of Butte Canon [Canyon], on Nimshew [Humbug] Road, 0.5 mi. below Nimshew
701
Comment
CHSC1697
Castilleja applegatei subsp. pinetorum
M. Roberson
1956-5-21
Butte
SW of Paradise, along Skyway.
426
Comment
JEPS119907
Castilleja applegatei subsp. pinetorum
Lowell Ahart
2012-5-20
18098
Butte
On the north side of the Humboldt Trail, about 50 yards northwest of the poor dirt road south of Highway 32, southeast part of Upper Bidwell Park, northeast of Chico.
Comment
CHSC44941
Castilleja attenuata
E. Ray Latham
1988-4-21
Butte
100m e of e end Fremont st., Chico.
30
Comment
CHSC62584
Castilleja attenuata
L. P. Janeway
1993-5-2
4339
Butte
Adjacent to serpentine rocky outcrop narrow ridge, south of Serpentine Point and above Hwy 70.
518
Comment
CHSC115345
Castilleja campestris subsp. campestris
Lowell Ahart
2015-4-13
20031
Butte
On the east side of Lone Tree Road, about 1/4 mile north of Wyman Ravine, about 6 1/2 miles (air) south of Oroville.
32
Comment
CHSC38712
Castilleja lacera
Vernon Oswald
1983-4-18
341
Butte
Upper Bidwell Park, Chico, along the trail ca. 200 ft below (south of) the north rim at the power lines.
213
Comment
CHSC43539
Castilleja lacera
Lowell Ahart
1973-4-15
195
Butte
Along the edge of Swedes Flat Road, north-east of Bangor.
304
Comment
JEPS80632
Castilleja lacera
M. S. Taylor
1980-5-15
2624
Butte
ca 0.25 mi e Cohasset Rd. (ca 9 mi ne of Chico); Cohasset Ridge
396
Comment
CAS-BOT-BC241125
Castilleja miniata
A. A. Heller
1914-7-23
11612
Butte
Sierra Nevada at Chico Meadows
1280
Comment
UC196053
Castilleja miniata
A. A. Heller
1914-8-7
11658
Butte
summit back of Jonesville
2133
Comment
UC492734
Castilleja miniata
H. F. Copeland
1920-7-25
Butte
Jonesville
1500
Comment
UC1032477
Castilleja pruinosa
J. E. Sowder, A. E. Wieslander
1933-6-24
92
Butte
0.5 mi e Inskip; Chico Quad.
1432
Comment
CAS-BOT-BC195580
Catapodium rigidum
Lowell Ahart
1979-4-28
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
CHSC60665
Caulanthus lasiophyllus
Vernon H. Oswald; James Snowden
1993-4-7
5251
Butte
Near the SE rim of Hamlin Canyon E of the cattle barns on the McKnight Ranch, E side of Hwy. 99 between Durham-Pentz and Neal roads, S of Chico.
182
Comment
UCD111787
Ceanothus cuneatus
M. S. Taylor; L. Hanson
1981-3-16
3410
Butte
E side of Truex Road, 1/2 mile south of its junction with Highway 70, 7 miles north of Oroville.
304
Comment
SEINET13945808
Ceanothus cuneatus
A. A. Heller
1914-1
11210
Butte
Canyon of Big Chico creek, elev about 250 ft
76
Comment
CAS-BOT-BC47958
Ceanothus integerrimus
Helen M. Edwards
1917-6-1
s.n.
Butte
De Sabla
Comment
CAS-BOT-BC50819
Ceanothus integerrimus
A. A. Heller
1914-4-16
11293
Butte
Chico-Centerville Road 8 miles from Chico, on the slopes albong Butte Creek
Comment
CHSC39796
Ceanothus integerrimus
Eloise Gallatin
1935-5-4
Butte
Paradise.
Comment
UC600527
Ceanothus integerrimus
H. F. Copeland
1930-7-26
Butte
Jonesville
Comment
CHSC30735
Ceanothus integerrimus var. californicus
M. S. Taylor
1980-5-27
2717
Butte
S side of Bald Rock Rd, ca. 1 mi e of Lake Madrone.
670
Comment
SEINET10493639
Ceanothus integerrimus var. californicus
Mary Susan Taylor
1980-4-19
Taylor 2538
Butte
S side of Humbug, NE of Centerville. With J.D. Jokerst.
366
Comment
UC870592
Ceanothus lemmonii
Lewis S. Rose
1937-6-10
37377
Butte
Forbestown
838
Comment
CHSC86137
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
POM85915
Ceanothus parvifolius
C. C. Bruce
1897-05
1804
Butte
Forest- Ranch.
Comment
POM193369
Ceanothus prostratus
E. B. Copeland
1930-7-7
425
Butte
Joneville.
488
Comment
RSA77695
Ceanothus prostratus
F. W. Peirson
1926-6-21
6780
Butte
Butte Meadow, Humboldt Road
Comment
SEINET13946044
Ceanothus prostratus
Lewis S. Rose
1955-1
55098
Butte
De Sabla; 2400 ft alt.
732
Comment
RSA32884
Ceanothus prostratus var. occidentalis
A. A. Heller
1941-6-22
16179
Butte
roadside bank, edge of the forest at Cohasset.
Comment
CAS-BOT-BC52419
Ceanothus velutinus var. velutinus
E. B. Copeland
1930-6-29
424
Butte
Jonesville
1550
Comment
JEPS120143
Cedrus deodara
Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-10
18023
Butte
On the north side of Big Chico Creek, on the south side of the paved park road, south of the old walnut orchard, south of Vallombrosa Avenue, about 1/10 miles west of Peterson Drive, Lower Bidwell Park, Chico.
Comment
CHSC111395
Celtis australis
Lowell Ahart; Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-10
17997
Butte
On dry dark deep excellent soil, on the south side Vallombrosa Avenue, north side of the old walnut orchard, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico.
76
Comment
UC179660
Centaurea benedicta
A. A. Heller
1914-4-24
11416
Butte
hills 8 mi n Oroville
Comment
CHSC6085
Centaurea solstitialis
B. Wilson
1968-5-17
203
Butte
E of Broadway and First Street, Chico.
59
Comment
CAS-BOT-BC284505
Centaurea solstitialis
Forman T. McLean
1921-10-20
33
Butte
Chico
Comment
UCD130107
Centaurea stoebe subsp. micranthos
Lowell Ahart
1995-10-1
7642
Butte
about 150 yards south of where the road crosses the South Fork of the Feather River, northeast of the Feather Fork Mine, about 6 (air) miles northeast of La Porte.
1706
Comment
JEPS115250
Centaurium muehlenbergii
Lowell Ahart
2008-11-4
15402
Butte
On the sides of Potter Ravine, below the high water line of Lake Oroville, about one mile north of the large parking area on the north end of Oroville Dam, about 5 miles (air) northeast of Oroville
242
Comment
RSA724859
Centaurium muehlenbergii
B. Castro, L. P. Janeway
2005-6-5
1480
Butte
About 6 air miles southeast of Chico, in bottom of canyon SE of Neal Road, about 100 feet northwest of intermittent creek.
85
Comment
CHSC28481
Centaurium tenuiflorum
Robert Schlising
1979-8-17
3468
Butte
1/4 mi s jct Hwys 162 to Oroville and 99; along the latter and across from Thermalito Afterbay; widespread at ditch margins but not in grassland.
Comment
UC763199
Centaurium venustum
Robert F. Hoover
1936-5-21
1163
Butte
7 mi n Chico
Comment
CHSC59505
Centromadia fitchii
Lowell Ahart
1992-9-9
6921
Butte
Below the high water line of Lake Oroville, about 1/2 mile south-east of Kunkle Reservoir.
243
Comment
CHSC48165
Centromadia pungens subsp. septentrionalis
Vernon Oswald
1983-6-28
785
Butte
Graylodge Waterfowl Management Area in Parking Lot 17.
Comment
CHSC45957
Centunculus minimus
Lowell Ahart
1979-5-11
1868
Butte
Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville. On the bottom of a depression in a grain field.
36
Comment
JEPS98422
Centunculus minimus
Lowell Ahart
2000-5-13
8355
Butte
5 air miles SW of Oroville (Thermalito Afterbay, S side of access road to the boat ramp, W of Larkin Road, 1 1/4 mi S of Oroville Airport)
42
Comment
CHSC62444
Cerastium arvense
B. Castro
1991-4-29
441
Butte
Ca 6.5 air mi ENE of Paradise, just upslope from 'Pulga' on W side of the Feather River. On N-facing edge of serpentine ridge near E end of ridge.
853
Comment
CHSC90970
Cerastium arvense
L. P. Janeway; J. Tuitele-Lewis, S. Mackey Hillaire, M. Brown
2005-5-9
8382
Butte
Northern High Sierra Nevada. Plumas National Forest; Ridge on southwest side of Rim Road (Ponderosa Way) 0.9 km southeast of junction with Concow Road; north end of Rocky Ridge.
991
Comment
JEPS119630
Cerastium fontanum subsp. vulgare
Lowell Ahart
2012-6-14
18192
Butte
South of CARD community, Lower Bidwell Park, Chico.
Comment
CHSC113370
Cerastium glomeratum
Lowell Ahart
2014-4-16
19363
Butte
On the sides but near the bottom of a large canal, about 100 yards north of East Gridley Road, on the west side of the Feather River, about 2 miles east of Gridley.
29
Comment
UCD98036
Cerastium glomeratum
Joseph M. DiTomaso
1976-5-23
474
Butte
On south side of Lake Oroville.
274
Comment
CAS-BOT-BC388267
Cerastium glomeratum
John Thomas Howell; Gordon H. True
1969-4-8
45488
Butte
Paradise
518
Comment
CHSC3531
Cercis occidentalis
John Francis
1966-4-6
92
Butte
2.3 miles from intersection of Pentz-Magalia Rd. and Nelson Bar Rd., on Nelson Bar Rd.
Comment
SEINET10475244
Chaenactis glabriuscula var. megacephala
Mary Susan Taylor
1976-4-27
Taylor 1099
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
CAS-BOT-BC140753
Chamaebatia foliolosa
Lowell Ahart
1987-5-11
5620
Butte
South of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown
868
Comment
HSC66093
Chamaesyce hooveri
M. S. Taylor
1980-8-15
3252
Butte
In Pentz Vernal Pool, 0.4 mi. SE of Jct. Pentz Rd. and Hwy. 99, about 10 mi. S of Chico
55
Comment
OBI59419
Chamaesyce hooveri
R. D. Stone & R. E. Buck, R. E. Buck
1987-1
Butte
Comment
CDA29968
Chamaesyce maculata
L. Ahart
2009-8-15
16283
Butte
Garden area, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville
Comment
JEPS108953
Chamaesyce maculata
Lowell Ahart
2006-9-11
13284
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
JEPS115356
Chamaesyce maculata
Lowell Ahart
2009-7-3
15987
Butte
On the east side of the road, 30 yards southeast of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 100 yards east of Cedar Grove, Lower Bidwell Park, Chico
67
Comment
JEPS114994
Chamaesyce serpillifolia subsp. serpillifolia
Lowell Ahart
2007-11-3
14564
Butte
Below the high water line of Lake Oroville, about 3/4 mile east of the Power House below Kunckle Reservoir, about 1 1/4 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise
259
Comment
CHSC39229
Cheilanthes gracillima
M. S. Taylor; K. Tharp
1983-3-11
5223
Butte
Big Bald Rock, ca. 3 mi s of Bruch Creek, ne of Oroville.
975
Comment
CHSC83894
Cheilanthes gracillima
Lowell Ahart
2003-4-15
10099
Butte
Steep 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
CHSC92612
Cheilanthes gracillima
L. P. Janeway
2005-5-29
8411
Butte
Northern High Sierra Nevada. 0.2 km northwest of Concow Road at the gap between the head of Rock Creek and the Little Kim-shew Creek drainage. Steep east-facing slope.
1478
Comment
CHSC113101
Chenopodium album
Lowell Ahart
2013-11-18
19277
Butte
Below the high water line of Lake Oroville, about 200 yards northeast of the boat ramp at the end of Stringtown Road, on the north side of the road, about 2 1/2 miles (air) northeast of Hurleton.
261
Comment
CHSC34046
Chenopodium album
L. Ahart
1981-7-26
3004
Butte
On the sides of a large deep ditch near the dirt road, 1/10 mi w of Pennington Rd on the dirt rd that leads to the Gray Lodge Waterfowl Mgmt HQ, ca. 12 mi sw of Gridley.
35
Comment
SEINET10871671
Chenopodium ambrosioides var. anthelminticum
Mary Susan Taylor
1977-8-16
Taylor 1445
Butte
Butte College Campus, ca. 15 mi S of Chico. With Marc Hayes.
61
Comment
CDA3042
Chenopodium botrys
L. P. Janeway, B. Castro
1999-6-4
6450
Butte
Sacramento Valley; East side of the Sacramento River 1.4 km southeast of the Ord Ferry Road Bridge.
Comment
UC204577
Chenopodium pumilio
A. A. Heller
1914-7-20
11580
Butte
8 mi n Oroville
Comment
CDA42948
Chenopodium strictum var. glaucophyllum
L. Ahart
2012-10-28
18528
Butte
About 50 yards east of the freeway, northwest of Table 2, Lower Bidwell Park, Chico.
Comment
CHSC34775
Chenopodium strictum var. glaucophyllum
L. Ahart
1981-11-6
3230
Butte
Ca. 1/8 mi e of Gridley Bridge across the Feather River, ca. 2 mi w of Hwy 70, ca. 4 mi e of Gridley.
35
Comment
CHSC31544
Chenopodium vulvaria
L. Ahart
1977-7-1
1442
Butte
On bottom and sides of small swale near our home. Peter Ahart Ranch, Honcut.
50
Comment
CHSC1409
Chimaphila menziesii
R. Carter
1964-5-16
100
Butte
Feather R. Canyon, 1/4 mi. S of Cresta Power House on S side Hwy. 40A.
609
Comment
UC426925
Chimaphila umbellata
E. B. Copeland
1930-6-24
432
Butte
Jonesville
Comment
CDA1901
Chloris virgata
L. Ahart
2004-6-29
11147
Butte
On the E side of Lone Tree Road, about 1/2 mi. N of Palermo Road, about 1 1/2 mi. (air) NW of Palermo, about 5 mi. (air) south of Oroville.
Comment
CHSC26709
Chloris virgata
Hayes; Warner
1977-10-23
146
Butte
On w road edge, along road into upper Bidwell Park (Wildwood Drive), approx. 1/4 mi n of Manzanita Avenue in Chico.
35
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
JEPS50844
Chlorogalum angustifolium
Glen Keator
1967-5-20
GV 1
Butte
7 mi s Oroville
Comment
CAS-BOT-BC498819
Chlorogalum pomeridianum
John Thomas Howell
1962-6-15
37426
Butte
Volcanic slopes, 4 miles from Paradise on road to Oroville
106
Comment
CHSC94034
Chorizanthe membranacea
R. D. Fischer
2005-5-18
721
Butte
Sierra Nevada foothills, adjacent Hwy. 32, ca. 4 miles east of Chico in Bidwell Park. Plants found along canyon edge on thin, rocky Tuscan mudflow.
426
Comment
SEINET10479752
Chorizanthe polygonoides
Mary Susan Taylor
1980-5-31
Taylor 2756
Butte
T22N R4E sw sec 31. Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 2 mi SE of Paradise. With R.A. Schlising and L. Ahart.
442
Comment
SEINET10970722
Chorizanthe polygonoides
Mary Susan Taylor, Vernon H. Oswald
1984-4-4
Taylor 5392
Butte
T23N R3E sec 27? S side of Humbug Rd, ca. 2 mi SW of Nimshew, ca. 12 air mi NE of Chico. Open rocky bare slope within Foothill Woodland.
Comment
RSA768994
Chorizanthe polygonoides var. polygonoides
L. Ahart
2010-5-16
16705
Butte
Open pasture field about 100 yards west of the fence, about 1/2 mile southeast of the parking area, North Table Mountain, about 4.5 air miles northeast of Oroville
381
Comment
CHSC9140
Chorizanthe stellulata
M. P. Coffeen
1970-4-21
20
Butte
7 mi. up Skyway off Hwy. 99 E. About 50 ft. off rd. to the north on a dry rocky shelf.
396
Comment
JEPS104464
Chorizanthe stellulata
Lowell Ahart
2003-5-27
10218
Butte
Rifle and Trap Range, ne of Horseshoe Lake, n of Parking Area E, Upper Bidwell Park, ca 1 1/2 mi e of Manzanita Avenue, Chico.
103
Comment
CHSC46802
Chrysolepis sempervirens
R. A. Schlising; B. Castro, L. Janeway
1988-7-30
4653
Butte
4.1 miles N of Inskip along Skyway/Humbug Road, at junction with Bull Hill Road to Butte Meadows.
1566
Comment
SEINET10454840
Cicendia quadrangularis
Mary Susan Taylor
1978-4-14
Taylor 1564
Butte
On E side of Williams Road in Valley Grassland, ca. 1/4 mi N of Pentz Road, on Butte College Campus, ca. 15 mi S of Chico. With Marc Hayes.
30
Comment
SEINET10474555
Cirsium breweri
Mary Susan Taylor
1978-7-19
Taylor 1747
Butte
Cherry Hill Campground, on S side of Old Humboldt Road, ca. 2 mi SW of Jonesville.
1524
Comment
CHSC71184
Clarkia arcuata
Lowell Ahart
1998-6-3
7976
Butte
About 1/4 mile north of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
CHSC35135
Clarkia concinna subsp. concinna
R. Schlising; R. Banchero
1980-6-5
3640
Butte
N of Oroville along Hwy 70, ca 3 miles S of Pulga crossing of the Feather River.
640
Comment
CHSC46131
Clarkia gracilis subsp. gracilis
Lowell Ahart
1975-5-12
755
Butte
On dredger piles, along North Honcut Creek, Peter Ahart Ranch, about 3/4 mile north and 2 1/2 miles east of Honcut, about 12 miles south of Oroville.
36
Comment
JEPS100683
Clarkia mildrediae
Dean W. Taylor
1995-8-6
15377
Butte
2 air mi NE of Stirling City; Plumas National Forest
1127
Comment
CHSC28009
Clarkia mildrediae subsp. lutescens
M. S. Taylor
1978-7-21
1804
Butte
On both sides of Oroville-Quincy Hwy ca. 9 mi n of Lake Madrone.
914
Comment
CHSC39035
Clarkia mildrediae subsp. lutescens
Lowell Ahart
1983-7-29
4248
Butte
About 25 miles north-east of Oroville and 2 miles east of Milsap Bar on Middle Fork of the Feather River; at roadside.
1000
Comment
UCD80464
Clarkia purpurea
CNPS SN Foothill Team
2005-5-3
SNFN 0197 c
Butte
City of Chico, Doe Mill Meadowfoam Preserve, located ca. 200 m at 240 degrees from the reserve entrance gate, and about 75 m from the east fence.
83
Comment
CHSC91105
Clarkia purpurea subsp. purpurea
Lowell Ahart
2005-5-28
11820
Butte
Pasture, on the south side of Nelson Avenue, east of the bridge across the Thermalito Forebay, Thermalito.
67
Comment
CHSC112110
Clarkia purpurea subsp. quadrivulnera
Lowell Ahart
2012-6-5
18165
Butte
On the side of the small stream, on the bottom of Beatson Hollow, about 1-1/4 miles northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 6 miles (air) north of Oroville.
273
Comment
JEPS119894
Clarkia purpurea subsp. quadrivulnera
Lowell Ahart
2012-6-5
18165
Butte
On the bottom of Beatson Hollow, about 1 1/4 miles northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 6 miles (air) north of Oroville.
Comment
SD111901
Clarkia purpurea subsp. quadrivulnera
Barbara Ertter, Lowell Ahart & Jeff Strachan
1980-5-6
3278
Butte
Peter Ahart Ranch ca 2 1/2 miles NNE of Honcut between Oroville & Marysville, stream through Valley Grassland and grainfield.
29
Comment
UC203662
Clarkia purpurea subsp. quadrivulnera
A. A. Heller
1914-5-11
11384
Butte
8 mi n Oroville
Comment
UC1143252
Clarkia rhomboidea
H. and M. Lewis
1947-6-11
398
Butte
1.4 mi from Magalia School (on Magalia to Stirling City Road)
Comment
UC725469
Clarkia rhomboidea
A. A. Heller
1938-5-30
15129
Butte
on Feather River Hwy 2 mi w Arch Rock Tunnel (steep slope); ; W of Arch Rock Tunnel on the Feather River Highway, Butte Co.
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
UCD104980
Clarkia rhomboidea
L. Ahart
1983-6-26
4118
Butte
About 15 miles NE of Oroville, about 2 miles SE of intersection of the Oroville/Quincy Highway and Ponderosa Way.
500
Comment
UCD104987
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
UCD21830
Clarkia rhomboidea
L. D. Gottlieb
1993-8-27
9320
Butte
1 mile south of Big Bend Rd. on Dark Canyon Road.
Comment
CAS-BOT-BC165442
Clarkia unguiculata
Lowell Ahart
1980-5-13
2266
Butte
Along Pacific Heights Road, Oroville
35
Comment
SEINET11933195
Claytonia heterophylla
Unknown
1983-1
4289
Butte
along small stream that flows into Butte Creek, ca 1 mi E of Butte Meadows
1450
Comment
SEINET9116151
Claytonia lanceolata
D. W. Taylor
2002-7-3
18220
Butte
FR 22N27, ca 0.5 mile W from junction with FR 22N29 (ca 1 air mile NW of Little Grass Valley dam).
1707
Comment
CHSC56063
Claytonia palustris
L. P. Janeway
1988-6-16
2813
Butte
Along Butte Creek, 1.4 mi south of Humboldt Road via the road in the west side of the canyon.
1264
Comment
CHSC56064
Claytonia palustris
L. P. Janeway; R. A. Schlising, B. Castro
1988-7-30
3148
Butte
Along West Branch Feather River, 1.5 mi along Humbug Summit Road north of Philbrook Road.
1584
Comment
CHSC101765
Claytonia parviflora subsp. parviflora
Lowell Ahart
2009-5-15
15719
Butte
On the east bank of Big Chico Creek, on the west side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
234
Comment
CHSC31195
Claytonia parviflora subsp. parviflora
M. S. Taylor
1980-3-19
2392
Butte
Macabes Creek Canyon, in very wet shady areas under tress, in moss over rocks by the creek, ca. 100 ft e of Lumpkin Rd, ca. 2.5 mi ne of its jct with Forbestown Rd, ca. 18 mi ne of Oroville.
396
Comment
CAS-BOT-BC439428
Claytonia parviflora subsp. parviflora
A. A. Heller
1920-4-10
13362
Butte
New high school grounds at Chico
Comment
CHSC84640
Clematis lasiantha
Matt Quinn
2001-4-4
8
Butte
On mid-slope of north facing slope of Honey Run Creek. Approximately 1/2 mile upstream of confluence with Little Butte Creek, 200 feet upslope from creek.
198
Comment
SBBG40356
Clematis lasiantha
J. Ingram, A. Ingram
1960-4-7
513
Butte
steep bank below Honey Run Rd, between 2 and 3 mi S of Paradise
Comment
SEINET267150
Clematis lasiantha
T. A. Ranker, P. G. Trapp
1994-6-17
1613
Butte
Pence Road south of Paradise.
395
Comment
SEINET5337775
Clematis lasiantha
M. J. Williams
1967-4-15
s.n.
Butte
Near Magalis.
457
Comment
CHSC29382
Clintonia uniflora
R. A. Schlising; D. Ikeda, R. Banchero
1980-6-23
3770
Butte
Near Strawberry Valley, 2.2 mi N of La Porte Road (=1.2 mi S of S end dam at Sly Cr. Red.), at Strawberry Valley Cr. 39 degrees 34' N 121 degrees 7' W.
1059
Comment
CHSC49649
Clintonia uniflora
Vernon Oswald
1987-5-28
2940
Butte
Concow Rd. at Rag Dump. Near Fall Creek.
1170
Comment
RSA408294
Collinsia heterophylla
Michael A. Vincent
1962-4-20
214
Butte
Highway alternate 40. Feather River Canyon Road, 6 miles northeast of Oroville near site of Feather River Dam.
Comment
CDA31999
Collinsia tinctoria
L. Ahart
2008-5-3
15785
Butte
Around large rocks, north of a broad open drainage in oak woodland, about 100 yards north of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) west of Highway 32, about 10 miles northeast of Chico
0
Comment
CHSC79571
Collinsia tinctoria
G. F. Hrusa; E. Sandoval
1993-5-29
11134
Butte
Feather River Canyon. Base of south-facing slope at corner of Hwy 70 and Pulga Rd. at bridge over Feather River. [Original lat./long. on label is '39 48 N; 121 37 W'].
800
Comment
CHSC84862
Collinsia tinctoria
L. P. Janeway; John Hunt
2003-6-6
7814
Butte
Northern Sierra Nevada Foothills. East-southeast facing slope above Lake Oroville 350 m northeast of the north end of Bidwell Bar Bridge.
296
Comment
CDA41371
Collinsia tinctoria
L. Ahart
1998-6-3
7970
Butte
About 1/4 mile north of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
Comment
SEINET10898249
Collinsia tinctoria
Lowell Ahart
1985-5-15
Ahart 4977
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
CHSC45346
Collomia grandiflora
Vernon Oswald
1987-7-16
3131
Butte
Bull Hill Rd. (Skyway) where it parallels Bull Creek, between Inskip and Butte Meadows. Near the edge of the road.
1487
Comment
CHSC10580
Collomia heterophylla
Lowell Ahart
1970-5-19
Butte
Near Stirling City.
914
Comment
UC392188
Collomia linearis
E. B. Copeland
July, 1929
Butte
in open woods above Jonesville
1750
Comment
CHSC74669
Colutea arborescens
B. Castro; Elizabeth McClintock
1988-3-7
255
Butte
Lower Bidwell Park, Chico. On North Park Drive, on N side of Big Chico Creek, near end of bridge which connects with a large thicket of this species on the opposite side of the creek in the vicinity of Cedar Grove.
Comment
CHSC35963
Convolvulus arvensis
M. S. Taylor
1982-5-22
4499
Butte
Graylodge Waterfowl Refuge, at end of West Liberty Rd, ca. 12 mi sw of Gridley.
19
Comment
JEPS81608
Cordylanthus tenuis subsp. viscidus
M. S. Taylor
1982-8-16
4990
Butte
s end Stirling City (along both sides of the Skyway)
1036
Comment
RSA505434
Cordylanthus tenuis subsp. viscidus
R. C. Bacigalupi, Howard Whisler
1957-7-26
6038
Butte
On the Humbug Road, 2.2 miles southwest of and below Nimshew, on the eastern canyon side of Butte Creek.
61
Comment
RSA537685
Cordylanthus tenuis subsp. viscidus
L. R. Heckard, T. I. Chuang
1971-8-15
2768
Butte
About 1.5 miles west of Butte Meadows at Thatcher Ridge near junction.
1280
Comment
UCD131025
Coreopsis tinctoria
E. M. Johnston
1915-1
148 -J
Butte
Biggs.
Comment
CHSC48307
Cornus sericea subsp. sericea
Vernon Oswald
1987-6-23
3007
Butte
Just w of the Skyway, 1.4 mi (odometer) s of Inskip.
1426
Comment
UC392212
Cornus sericea subsp. sericea
E. B. Copeland
July, 1929
Butte
Jonesville
1550
Comment
CHSC92592
Cornus sessilis
L. P. Janeway
2005-5-17
8392
Butte
Northern High Sierra Nevada. Plumas National Forest; along unnamed creek 0.5 km west of Cedar Creek, 1.8 km north-northwest of its mouth at North Fork Feather River.
1097
Comment
RSA0019461
Cornus sessilis
A. A. Heller
1914-6-24
11514
Butte
West side of the Sierra Nevada at West Branch.
1037
Comment
JEPS98304
Cortaderia selloana
Lowell Ahart
2000-9-2
8678
Butte
Near the margins of a small pond, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville.
42
Comment
CAS-BOT-BC401861
Corydalis caseana subsp. caseana
E. B. Copeland
1929-7-3
365
Butte
Jonesville
1500
Comment
UC854991
Corydalis caseana subsp. caseana
A. A. Heller
1915-6-11
12047
Butte
Jonesville Sierra Nevada, Jonesville
1676
Comment
CHSC110992
Cotoneaster lacteus
Lowell Ahart
2012-6-21
18223
Butte
About 25 yards west of the Freeway, 70 yards south of Big Chico Creek, Lower Bidwell Park, Chico.
62
Comment
SBBG128077
Cotoneaster pannosus
L. Ahart
2009-5-30
15802
Butte
S side of Ten Mi House Rd, Upper Bidwell Park, ca. 0.5 mi SW of intersection of Hwy 32 and Ten Mi House Rd, ca. 10 mi NE of Chico
311
Comment
CAS-BOT-BC287213
Cotula australis
Lowell Ahart
1983-4-1
3916
Butte
Old Highway 40, near the water fountain, near the end of the road where it runs into Lake Oroville, about 4 miles S of Jarbo Gap
350
Comment
CHSC36291
Crassula aquatica
M. S. Taylor; L. Ahart, J. Jokerst
1982-4-28
4358
Butte
Graylidge Waterfowl Refuge, n side of Rutherford Rd, w of Pennington Rd, ca. 12 mi sw of Gridley.
21
Comment
JEPS117513
Crassula aquatica
Lowell Ahart
2010-5-22
16720
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
CHSC31653
Crassula connata
L. Ahart
1973-3-16
177
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC31654
Crassula tillaea
L. Ahart
1973-3-16
176
Butte
Peter Ahart Ranch, Honcut.
45
Comment
JEPS118613
Crataegus monogyna
L. P. Janeway
2011-4-20
10235
Butte
Sacramento Valley. Lower Bidwell Park, Chico; near northwest edge of the park, near Vallombrosa Ave between Madrone Ave and Crister Ave. Chico 7.5; quad.
Comment
UC1212530
Crepis occidentalis subsp. conjuncta
H. F. Copeland
1932-7-24
Butte
near Butte Creek meadow; Lassen National Forest, vicinity of Jonesville
Comment
CHSC43960
Cressa truxillensis
V. Oswald
1988-5-25
3338
Butte
Pennington Rd. just south of W. Liberty Rd. on the edge of Gray Lodge Waterfowl Management Area.
21
Comment
CHSC11106
Croton setiger
Lowell Ahart
1969-7-12
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CDA6676
Crucianella angustifolia
L. L. Heinrichs
1973-5-31
Butte
New overlook at Lake Oroville, Oroville.
0
Comment
RSA337388
Crucianella angustifolia
L. Ahart
1984-6-8
4681
Butte
Along the edge of the dirt road, the road forks here and one goes to Feather Falls and the other to Lumpkin Ridge road, 3 miles NE of Ponderosa Dam, 3miles N of Forbestown.
500
Comment
RSA0106564
Crypsis alopecuroides
Lowell Ahart
2014-9-23
19873
Butte
Northeast part of Horseshoe Lake, about 100 yards northeast of the Rod and Gun Club, Upper Bidwell Park, about one mile east of Chico.
89
Comment
CHSC69734
Crypsis schoenoides
Lowell Ahart
1997-10-24
7940
Butte
About 20 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
JEPS115035
Crypsis schoenoides
Lowell Ahart
2007-10-31
14514
Butte
West of the official parking area, strand of Lake Oroville, Foreman Creek Area, about 1 mile south of Highway 162 (Oroville Quincy Road), about 7 miles (air) northeast of Oroville
224
Comment
SEINET10518387
Crypsis vaginiflora
Lowell Ahart
1982-1
Ahart 3673
Butte
On dry bare soil bottom of dry duck pond, ca. 1/4 mi se of HQ, Graylodge Wildlife Refuge, ca. 13 mi sw of Gridley. Very common.
35
Comment
CHSC113401
Cryptantha affinis
Lowell Ahart
2014-7-7
19562
Butte
About 5 yards east of the Skyway, about one-mile north of Stirling City.
1142
Comment
CHSC33409
Cryptantha affinis
R. A. Schlising; R. Banchero
1980-7-28
3933
Butte
E. of Jonesville, on road towards Scotts John Creek.
1828
Comment
CHSC60965
Cryptantha affinis
Lowell Ahart
1993-6-26
7018
Butte
On the east side of the dirt road, about 1 mile west of the Lost Creek Reservoir.
1188
Comment
CDA40494
Cryptantha affinis
T. C. Fuller
1962-7-12
9169
Butte
Road to Jonesville, 2 miles east of Butte Meadows.
0
Comment
CHSC58256
Cryptantha flaccida
Lowell Ahart
1992-5-9
6752
Butte
On the north side of the Thermalito Diversion Pool, near Longs Bar Monument, Lake Oroville Recreation Area, about 2 miles west of Oroville Dam.
76
Comment
CHSC35060
Cryptantha intermedia
R. A. Schlising
1981-6-13
4081
Butte
E part of county, along Milsap Bar Road, 2.7 miles S of its junction with Bald Rock Road near Brush Creek.
975
Comment
JEPS26228
Cryptantha intermedia
R. F. Hoover
1937-5-18
2234
Butte
3 mi n Chico
Comment
CHSC29972
Cryptantha milobakeri
R. A. Schlising
1980-6-10
3673
Butte
Along Humboldt Road, 1.9 mi NE jct with Hwy 32 at Loma.
Comment
CHSC43577
Cryptogramma acrostichoides
Vernon Oswald; Lowell Ahart
1987-8-5
3179
Butte
Near Humboldt Peak.
2151
Comment
CAS-BOT-BC85558
Cupressus macnabiana
A. A. Heller
1918-5-5
13009
Butte
Near Magalia in the yellow pine and oak belt.
Comment
UC726581
Cupressus macnabiana
A. A. Heller
1918-5-5
13009
Butte
Magalia
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
UC1191664
Cuscuta californica
Herbert L. Mason and Verne Grant
1946-9-27
13132
Butte
Graylodge Game Refuge Butte Sink
Comment
UC1609063
Cuscuta californica
Lowell Ahart
1993-6-20
7001
Butte
about 1 air mi nw Lost Creek Reservoir Dam; Mooreville Ridge, Jackass Flat
1158
Comment
JEPS110256
Cuscuta californica var. californica
Lowell Ahart
2006-7-4
12911
Butte
Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville
30
Comment
CDA39931
Cuscuta campestris
L. Ahart
2006-9-13
13313
Butte
South edge of the North Fork of the Feather River, just west of Mill Creek, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville.
Comment
CHSC113968
Cuscuta campestris
Lowell Ahart
2014-11-24
19918
Butte
About 80 feet below the high water line of Lake Oroville, about 700 yards east of the second parking area, old Bidwell Bar Road, about one mile south of Oroville Quincy Highway, about 8 miles (air) northeast of Oroville
231
Comment
RSA0037106
Cuscuta campestris
Lowell A. Ahart
2013-11-17
19270
Butte
Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville.
245
Comment
POM219435
Cuscuta ceanothi
E. B. Copeland
1931-7-17
675
Butte
Jonesville
1650
Comment
CHSC107566
Cuscuta pentagona
Lowell Ahart
2011-8-17
17627 -A
Butte
About 10 yards north of the trail, north of the crossing and on the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
203
Comment
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
UCD119179
Cynoglossum grande
Harriet Sindel
1970-2-20
20
Butte
South side of Highway 32 (old road), 7.3 miles east of Chico.
182
Comment
CHSC96943
Cyperus difformis
Lowell Ahart
2007-7-8
14268
Butte
On the east side of North Honcut Creek, Peter Ahart Ranch, about 3/4 miles north and 2 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville.
45
Comment
UC1100549
Cyperus difformis
Herbert L. Mason and Verne Grant
1946-8-14
13024
Butte
canal near big pond on Sacramento Outing Club; Butte Sink
Comment
UC980096
Cyperus difformis
J. M. Tucker
1953-8-28
2680
Butte
Biggs Rice Experiment Station
Comment
UCD141017
Cyperus difformis
H. L. Mason
1945-9-19
12737
Butte
Gray Lodge Game Refuge, northwest of Pennington.
Comment
CHSC31953
Cyperus eragrostis
J. D. Jokerst; M. S. Taylor, R. A. Schlising
1980-5-18
721
Butte
Somewhat below the top of Cohassett Ridge on slope above (North) of Mud Cr.
243
Comment
JEPS118059
Cyperus eragrostis
Lowell Ahart
2011-8-17
17626
Butte
About 20 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
JEPS120107
Cyperus eragrostis
Lowell Ahart
2012-6-14
18191 -A
Butte
Lawn on the south side of the path, southwest of CARD Community Center, Lower Bidwell Park, Chico.
Comment
CHSC66856
Cyperus erythrorhizos
Vernon H. Oswald
1996-9-30
8291
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. Llano Seco Rancho between 7 Mile Lane and the Sacramento River. Northern Sacramento Valley. Margin of Angel Slough on the W side of Tract 4.1, Sanctuary I. [Label says 'T20N R01W S15 SE1/4 of NW1/4'].
30
Comment
JEPS95785
Cyperus flavescens
Lowell Ahart
1999-8-13
8143
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
JEPS97341
Cyperus flavescens
Lowell Ahart
1995-8-19
7618
Butte
1 mi N and 2 3/4 mi E of Honcut; Peter Ahart Ranch
36
Comment
SEINET7582011
Cyperus flavicomus
Lowell Ahart
1984-9-24
4810
Butte
Middle Honcut Road, west of Honcut, along the edge of Middle Honcut Road, about 3/4 mile east of Highway 70, about 12 miles south of Oroville.
Comment
RSA0060810
Cyperus iria
Lowell A. Ahart
2012-10-5
18476
Butte
South edge of parking area at the restroom, end of road to the Larkin Road Boat Launch Area, about 1/4 mile west of Larking Road, about 2 miles (air) southwest of the Oroville Airport.
28
Comment
CHSC78283
Cyperus niger
Lowell Ahart
2000-6-21
8500
Butte
In a small seep, south of Parking Area P, north of Salmon Hole, Upper Bidwell Park, about 3 1/3 miles (air) northeast of Manzanita Avenue, Chico.
106
Comment
CHSC31694
Cyperus rotundus
E. Bevan; L. Bevan
1974-11-24
Butte
In garden of Ernes and Lorene Bevan, near Honcut.
33
Comment
CAS-BOT-BC114073
Cyperus squarrosus
Lowell Ahart
1989-5-28
6284
Butte
South of Oregon Gulch Road, ca. 1/2 mi N of the Cementery,
335
Comment
CHSC71266
Cyperus squarrosus
Lowell Ahart
1998-7-1
8027
Butte
About 100 yards south of a east west fence, about 5/8 mile north of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
JEPS114367
Cyperus squarrosus
Lowell Ahart
2008-5-30
14797
Butte
Dry to damp granite soil, small meadow, bottom of an old gold mined area, about 150 yeards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville
305
Comment
UC1100557
Cyperus squarrosus
Malcolm A. Nobs and S. Galen Smith
1949-7-29
1089
Butte
on rd. from Biggs to Princeton (Butte Creek); Butte Creek
Comment
SEINET10467194
Cyperus strigosus
Mary Susan Taylor
1979-10-3
Taylor 2222
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
UC116910
Cypripedium fasciculatum
Mrs. R. M. Austin
1879-1
198
Butte
Butte Valley
Comment
JEPS106116
Cystopteris fragilis
Lowell Ahart
2004-6-22
11116
Butte
On the east side of Doe Mill Road, about 1/4 mile southeast of the bridge across Butte Creek, about 2 1/4 miles (air) southeast of Forest Ranch, about 5 miles (air) west of Stirling City
628
Comment
POM121176
Cystopteris fragilis
C. C. Bruce
1897-05
1666
Butte
Iron Canyon.
Comment
SEINET10598269
Danthonia californica var. americana
Quick
1965-7-25
QUICK 65 -18
Butte
Swampy alder thicket below spring. Section Corner Meadow, Coyote Gap-Four Trees Road.
Comment
JEPS115541
Darmera peltata
Lowell Ahart
2009-5-15
15714
Butte
On the east bank of Big Chico Creek, on the west side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
234
Comment
RSA719714
Darmera peltata
Michael A. Vincent, K. Levings
2006-7-29
12897
Butte
Along Rt. 32, ca. 23 miles south of junction with Rt. 36
Comment
CHSC46061
Delphinium
R. A. Schlising; R. Banchero, R. Preston
1981-6-11
4068
Butte
S of Butte Meadows along Humboldt Road, 1.9 mi NE of jct with Hwy 32 (at 'Lomo').
Comment
SEINET10536226
Delphinium
Mary Susan Taylor
1976-3-9
Taylor 1022
Butte
Valley Grassland, on Burton's Mesa, ca. 500 yds N of the Skyway, ca. 13 mi E of Chico.
457
Comment
CAS-BOT-BC8569
Delphinium hansenii
Lowell Ahart
1988-6-29
6086
Butte
Along Bloomer Hill Road (Ponderosa Way), about 1.5 miles W of Oroville Quincy Highway
457
Comment
UC726245
Delphinium hansenii
A. A. Heller
1938-5-28
15110
Butte
grassy slopes on Feather River Hwy 2 1/2 mi e Oroville
Comment
CAS-BOT-BC10303
Delphinium hesperium
Lowell Ahart
1978-5-24
s.n.
Butte
Peter Ahart Ranch, Honcut
50
Comment
POM180915
Delphinium hesperium
H. F. Copeland
1923-5-6
881
Butte
Near Nelson
Comment
SEINET7081597
Delphinium nudicaule
A. G. Vestal
1955-5-20
s.n.
Butte
Honey Run Road above Honey Run and east of Paradise. Coordinate Datum: NAD27. UTM Zone 10, 615564mE, 4400438mN.
Comment
CHSC97408
Delphinium nuttallianum
Robert Fischer
2006-6-17
1027
Butte
Butte Meadows. Cascade Range High, off Hwy. 32 on Humboldt Road between Lomo and Butte Meadows.
1402
Comment
CHSC94063
Delphinium patens subsp. patens
R. D. Fischer
2005-6-6
740
Butte
Sierra Nevada foothills, off Hwy. 32, about 4 miles east of Chico at the parking area for 10 Mile House Road trail in Bidwell Park. Collection made on a grassy ridge top near parking area.
464
Comment
CHSC3260
Delphinium variegatum
Virginia Hagaman
1966-4-17
115
Butte
2.4 miles east of Chico State college. Field across road from golf course in Bidwell Park.
Comment
CHSC53301
Delphinium variegatum
V. L. Keeran
1976-4-13
20
Butte
Ca. 200 m e of Skyway ca. 8.3 km ese of Chico and 10 km wsw of Paradise.
334
Comment
CHSC24771
Delphinium variegatum subsp. variegatum
L. J. Gut
1976-4-23
11
Butte
Ca. 30 yds. s of the Skyway, ca. 15 mi e of Chico.
457
Comment
CHSC52946
Delphinium variegatum subsp. variegatum
Arlene Petlock
1982-4-17
97
Butte
S side of Hwy 162 ca. 0.1 mi e of jct Hwys 99 and 162, ca. 10 mi s of Chico.
60
Comment
CHSC95162
Delphinium variegatum subsp. variegatum
R. D. Fischer
2004-4-4
802
Butte
Chico. Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition off Hwy.32. Collected along Guardian Trail between Pine and Bloodypin Trails on an open grassy slope.
335
Comment
CAS-BOT-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
SEINET7073608
Dendromecon rigida
A. G. Vestal
1955-5-20
s.n.
Butte
About 5.6 miles south of Magalia on the Pentz Road [Pentz - Magalia Highway]. UTM Zone 10, 6223320mE, 4398975mN. Coordinate datum: NAD27.
Comment
SEINET10448606
Dentaria pachystigma var. dissectifolia
Mary Susan Taylor
1975-5-9
Taylor 570
Butte
Abundant in serpentine area, ca. 50 ft E of the Skyway, ca. 1/4 mi N of DeSabla turnoff, Magalia; with Arctostaphylos sp.
732
Comment
CAS-BOT-BC192659
Deschampsia danthonioides
A. A. Heller
1914-4-17
11301
Butte
Hills 8 miles north of Oroville
Comment
UC791015
Deschampsia danthonioides
A. A. Beetle
1941-6-27
2746
Butte
near Lomo at rd. forking to Chico Creek Lomo
Comment
CAS-BOT-BC201744
Deschampsia elongata
A. A. Heller
1917-7-26
12846
Butte
Butte Meadows
1402
Comment
RSA591519
Deschampsia elongata
H. F. Copeland
1930-7-25
1343
Butte
Jonesville. In meadow below cabin.
1524
Comment
CAS-BOT-BC388455
Dianthus armeria
Lowell Ahart
1988-6-29
6089
Butte
Along Galen Ridge Road, about 1/2 mile east of the Oroville Quincy Highway, north of Lake Madrone
621
Comment
CDA24035
Dianthus armeria subsp. armeria
L. Ahart
2004-7-11
11223
Butte
On the southeast edge of Paradise Lake, about 3/4 mile northeast of the picnic area, about 1 mile northeast of Paradise Dam, about 4 miles (air) southwest of Stirling City.
Comment
CHSC94163
Dianthus armeria subsp. armeria
Lowell Ahart
2006-6-24
12863
Butte
Disturbed area on the east side of the dirt road (Ponderosa Way), south of an intersection, a gated road goes southeast, on Cohasset Ridge, about 4 miles (air) northeast of Cohasset.
1113
Comment
CHSC19647
Dicentra eximia
K. R. Stern
1966-3-25
Butte
Chico.
Comment
CHSC44641
Dicentra formosa
Sally A. Carter
1988-4-24
Butte
S. side of Rock Creek, ca. 1 mi e of Upper Vilas Rd., Cohasset, 17 mi ene Chico.
807
Comment
UC600687
Dicentra formosa
H. F. Copeland
1929-6-9
Butte
Jonesville
1524
Comment
UC120092
Dicentra formosa
D. Cleveland
1882-7-14
Butte
Sutton House
Comment
RSA4206
Dicentra formosa subsp. formosa
E. B. Copeland
1929-7-22
364
Butte
Jonesville.
1500
Comment
CHSC43679
Dicentra pauciflora
Vernon Oswald; Lowell Ahart
1987-5-14
2903
Butte
Ca. 2.5 mi e of Jonesville on the road connecting Humboldt and Humbug Roads, 0.2 mi se of Scotts John Creek.
1755
Comment
CDA36760
Dicentra pauciflora
D. B. Joley
1969-6-12
268
Butte
9.5 miles northeast of Lomo, 0.5 mile east of Humboldt Rd., 25 ft above Butte Creek.
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
SEINET10533988
Dichelostemma capitatum
A. Arthur Heller
1915-3-24
Heller 11778
Butte
Low grassy hlls 8 miles north of Oroville below the blue oak belt in red clay soil, where it is plentiful, associated with Lepidium, Dodecatheon and Athysanus, the first plants in bloom.
Comment
CHSC2815
Dichelostemma capitatum subsp. capitatum
David Prall
1965-3-14
1
Butte
Ca. 2 yards south of Neal Rd. 1 mile east of Highway 99E.
106
Comment
CHSC77454
Dichelostemma capitatum subsp. capitatum
Laura Bogni
1997-3-25
9
Butte
Magalia Grove. West side of Coutelenc Rd.; 1 mi. due W of Sawmill Peak; 1/2 mi. SE of Magalia Reservoir.
701
Comment
CHSC37709
Dichelostemma multiflorum
M. S. Taylor
1980-4-27
2570
Butte
N side of Humbug Rd, ca. 1/4 mi upstream from Honey Run Covered Bridge, ca. 7 mi. e of Chico.
121
Comment
SEINET12046810
Dichelostemma multiflorum
Unknown
1978-1
7
Butte
1.5 mi NE of jct of US 99 & Skyway near Chico, ca 100 ft E of roadway
69
Comment
UC143046
Dichelostemma multiflorum
Mrs. R. M. Austin
Apr 1896
37
Butte
e of Chico
Comment
SEINET232463
Dichelostemma volubile
Margaret J. Williams, Wayne Roderick
1984-5-25
84- 21 -2
Butte
3.3 mi from Paradise on Honey Run Road.
168
Comment
CHSC76019
Digitaria sanguinalis
Lowell Ahart; Vernon H. Oswald
1999-8-13
8154
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
JEPS95081
Digitaria sanguinalis
Lowell Ahart
1997-10-24
7938
Butte
about 1/4 mi w of Ponderosa Dam (about 20 yards n of the South Fork of the Feather River and on w side of Sucker Creek, strand of Lake Oroville); Sucker Creek
274
Comment
CAS-BOT-BC153763
Diplacus angustatus
A. A. Heller
1915-4-12
11806
Butte
Near Cohasset
Comment
CHSC3345
Diplacus grandiflorus
Robert L. Smith
1966-5-17
5
Butte
Honey Run Rd. 2 miles W of Paradise.
Comment
CHSC38690
Diplacus grandiflorus
Vernon Oswald
1983-5-23
545
Butte
Upper Bidwell Park, Chico, near Chico Creek at the east end of Yahi Trail. On flood plain of creek.
207
Comment
CHSC44806
Diplacus grandiflorus
R. Banchero
1980-6-6
197
Butte
Along Hwy 162 ca 1.7 mi N of Bidwell Bar Bridge, 5.3 mi S of the jct of Hwy 162 and Bald Rock Rd.
256
Comment
CAS-BOT-BC153219
Diplacus kelloggii
A. A. Heller; H. E. Brown
1902-5-6
5464
Butte
Berry Canyon (near Clear Creek)
Comment
CHSC34078
Diplacus kelloggii
M. S. Taylor
1980-4-27
2552
Butte
On n side of Ponderosa Way Rd, ca. 0.5 mi e of Nimshew Rd, ca. 1 mi s of Nimshew.
609
Comment
CHSC11892
Diplacus torreyi
E. B. Copeland
1929-7-18
462
Butte
Jonesville.
1550
Comment
CAS-BOT-BC154172
Diplacus tricolor
A. A. Heller; H. E. Brown
1902-5-15
5554
Butte
Near Biggs
Comment
CHSC38709
Diplacus tricolor
Vernon Oswald
1983-4-20
357
Butte
Upper Bidwell Park, Chico, near the s-w corner of the Omicron Enclosure (near the n boundary of the park ca. 500 ft e of the junction of Upper Park Rd. and Wildwood Ave.)
85
Comment
SEINET223339
Diplacus tricolor
Barbara Ertter, Jeffrey Strachan, Lowell Ahart
1980-1
3312
Butte
Peter Ahart Ranch, ca 2-1/2 mi N-NE of Honcut between Marysville & Oroville
30
Comment
CAS-BOT-BC154166
Diplacus tricolor
Lowell Ahart
1982-5-12
3433
Butte
Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut
50
Comment
CHSC49650
Disporum hookeri
Vernon Oswald
1985-6-10
1820
Butte
Hwy 32 0.9 mi sw of the road to Soda Springs Campground.
1097
Comment
CDA42951
Dittrichia graveolens
L. Ahart
2012-10-28
18542
Butte
On the south edge of Biggs East Road, about 1/4 mile east of Highway 99, about 1 1/4 mile east of Biggs.
Comment
CHSC108592
Dittrichia graveolens
L. P. Janeway
2011-10-20
10778
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.
66
Comment
CHSC97717
Dittrichia graveolens
Lowell Ahart
2007-10-30
14510
Butte
West side of Highway 99, about 100 yards north of Badger Creek Road, about 500 yards south of Richvale East Road, about 7 (air) miles west of Oroville.
34
Comment
JEPS115045
Dittrichia graveolens
Lowell Ahart
2007-10-30
14506
Butte
Both sides of Lower Wyandotte Road, about 2 1/2 miles (air) northeast of Palermo, about 4 1/4 miles (air) southeast of Oroville
129
Comment
CHSC88972
Dodecatheon clevelandii subsp. patulum
Christine Hantelman
2000-2-23
9
Butte
Baccala ranch 1/4 mi east past end of Wookey Road.
114
Comment
CHSC13892
Dodecatheon hendersonii
J. F. Goodwin
1972-3-21
247
Butte
Approx. 4 mi se on Cherokee Road from its intersection with Hwy 70, w side of road near oaks in a cow pasture.
Comment
CHSC20167
Dodecatheon hendersonii
D. B. Dewey
1975-2-28
10
Butte
Ca. 400 yds e of Little Butte Creek, ca. 2 mi upstream from intersection with Butte Creek.
182
Comment
UCD118955
Dodecatheon hendersonii
M. R. Nichols
1975-4-23
5
Butte
5.6 mi e of Chico on Skyway from Hwy 99.
304
Comment
SEINET10449642
Dodecatheon jeffreyi
Mary Susan Taylor
1980-3-19
Taylor 2395
Butte
T19N R6E sw sec 8. Macabes Creek Canyon ca. 100 ft E of Lumpkin Rd, ca. 2.5 mi N of its jct with Forbestown Road, ca. 18 mi NE of Oroville. Cool, wet Ripar ian Woodland.
396
Comment
SEINET7073007
Downingia bacigalupii
A. G. Vestal
1963-5-31
s.n.
Butte
About 8.2 miles north-northwest of Oroville on Route 149. UTM Zone 10, 614599mE, 4384406mN. Coordinate datum: NAD27.
Comment
SEINET12329564
Downingia bella
Unknown
1984-1
4587
Butte
T17N, R4E. Peter Ahart Ranch, ca 1.5 mi N and 0.5 mi E of Honcut, ca 12 mi S of Oroville. Valley
50
Comment
POM59142
Downingia bicornuta
E. B. Copeland
1903-5-15
3176
Butte
Chico.
Comment
RSA517016
Downingia bicornuta
Barbara Ertter, L. Ahart
1986-4-13
5902
Butte
2 air miles NNE of Honcut between Oroville and Marysville, Peter Ahart Ranch (Mostly used as sheep pasture).
30
Comment
UC398683
Downingia bicornuta var. bicornuta
A. A. Heller
1927-5-3
14363
Butte
9 mi n Chico
Comment
CHSC103734
Downingia cuspidata
Lowell Ahart
2010-5-16
16690
Butte
About 1/4 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
371
Comment
UC625530
Downingia cuspidata
Frank W. Gould
1938-4-23
318
Butte
a few mi n Gridley
Comment
JEPS95868
Downingia insignis
Lowell Ahart
1999-5-21
8074
Butte
on the east side of Evans Reimer Road; about 7/8 mile east of Pennington Road; about 5 miles (air) southwest of Gridley
21
Comment
POM257240
Downingia ornatissima
H. L. Mason
1927-5-9
3708
Butte
Sacramento Valley, 15 miles W of Oroville.
Comment
CHSC27490
Downingia pulchella
M. S. Jaeckel
1974-4-23
34
Butte
Found locally in muddy places and vernal pools, Chico.
Comment
CHSC113503
Draperia systyla
Lowell Ahart
2014-7-16
19671
Butte
About 50 yards east of the Skyway, about one-mile north of Stirling City.
1142
Comment
RSA0011687
Drosera rotundifolia
H. F. Copeland
1931-8-8
1421
Butte
Jonesville.
Comment
JEPS107858
Drymocallis glandulosa var. glandulosa
Lowell Ahart, Paul Maslin, John Dittes
2005-3-17
11624
Butte
Big Chico Creek Ecological Reserve. On the cliff edge of the floor of the Indian Cave, about 100 yards north of the very poor dirt road, about 1/2 mile west of Big Chico Creek, about 4 1/2 miles (air) northeast of Chico
430
Comment
CAS-BOT-BC70860
Dryopteris arguta
L. P. Janeway
1994-9-29
4756
Butte
Halfway between Fall River and the western end of Jackson Ranch Ridge; north side of the trail from Jackson Ranch Ridge
792
Comment
SEINET10966176
Dryopteris arguta
Mary Susan Taylor
1980-3-19
Taylor 2389
Butte
T19N R6E sw sec 8. Macabes Creek Canyon ca. 100 ft E of Lumpkin Rd, ca. 2.5 mi N of its jct with Forbestown Road, ca. 18 mi NE of Oroville. Cool, wet Ripar ian Woodland.
396
Comment
CHSC45547
Dysphania botrys
Lowell Ahart
1984-6-8
4672
Butte
Along the dirt road to the generator on the north side of the Ponderosa Reservoir, about 2 miles north of Forbestown.
426
Comment
CHSC76050
Dysphania botrys
G. F. Hrusa; T. D. Wilfred
1996-7-8
13082
Butte
In full sun at old gun range. Old Railroad Grade Rd. nr. Paradise Lake Dam, approx. 3 m. N of Magalia. [Original Lat./Long. on label is '39 51 N; 121 34 W'].
800
Comment
CHSC31543
Dysphania pumilio
L. Ahart
1976-11-30
1224
Butte
Peter Ahart Ranch, Honcut.
45
Comment
SEINET10507007
Echinochloa
Mary Susan Taylor
1977-10-10
Taylor 1510
Butte
In drying irrigation ditch on S side of Crauch Rd, ca. 300 ft W of its junction with Lone Pine Ave, ca. 4 mi S of Chico.
30
Comment
CHSC41986
Echinochloa crus-galli
Lowell Ahart
1986-11-14
5463
Butte
On the bottom of a pond, about 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville.
36
Comment
UCD41384
Echinochloa crus-galli
E. Dean; with J. Ditomaso and E. Healy
2001-8-20
855
Butte
Biggs UC Field Station. North of town of Biggs, W of jct of Hwys 99 and 162. North side of Hamilton Road, ca. 1/8 mile E of jct with Riceton Hwy. Along second north-south running dirt road leading N into rice fields, at intersection with first east-west running dirt road, corner of rice field.
30
Comment
SEINET10561343
Echinochloa muricata
A. Arthur Heller
1914-5-19
Heller 11418
Butte
Hills 8 miles north of Oroville.
Comment
CAS-BOT-BC208565
Echinochloa oryzicola
Beecher Crampton
1963-9-9
6887
Butte
5 miles NW of Biggs, Biggs Rice Experiment Station
Comment
CDA1997
Echinochloa oryzicola
G. D. Barbe, T. C. Fuller
1977-9-2
2335
Butte
Rice Experiment Station, Biggs.
0
Comment
JEPS95994
Echinodorus berteroi
Lowell Ahart
1999-9-21
8275
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
SEINET10465417
Echinodorus berteroi
Mary Susan Taylor
1977-8-16
Taylor 1451
Butte
Butte College Campus, ca. 15 mi S of Chico. With Marc Hayes.
61
Comment
CHSC115335
Elatine
Lowell Ahart
2015-4-24
20069
Butte
Normal size plants, on damp bare soil, bottom of a large duck field.
19
Comment
JEPS123910
Elatine
Lowell Ahart
2015-4-24
20074
Butte
About 2 miles east of Pennington Road, Gray Lodge Wildlife Area, about 3 1/2 miles (air) southwest of Gridley.
Comment
JEPS124248
Elatine
Lowell Ahart
2015-3-31
19983
Butte
About 1 mile north of Rutherford Road, Gray Lodge Wildlife Area, about 6 1/2 miles (air) southwest of Gridley.
Comment
RSA0112566
Elatine ambigua
Lowell A. Ahart
2013-9-20
19061
Butte
About 100 yards west of the railroad, about 400 yards south of the Rice Experiment Station buildings, about 2 miles southeast of Richvale.
31
Comment
CHSC78180
Eleocharis acicularis
Lowell Ahart
2000-5-27
8407
Butte
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 end of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
CAS-BOT-BC113639
Eleocharis acicularis var. occidentalis
Lowell Ahart
1980-4-28
2110
Butte
Peter Ahart Ranch, Honcut.
50
Comment
UC1100617
Eleocharis atropurpurea
Malcolm A. Nobs and S. Galen Smith
1949-7-29
1083
Butte
5 mi w Richland
Comment
CAS-BOT-BC113413
Eleocharis atropurpurea
J. M. Tucker
1953-8-28
2678
Butte
In rice plots, Biggs Rice Experiment Station
Comment
CHSC46463
Eleocharis bella
V. Oswald; L. Ahart
1989-6-27
3829
Butte
Humbug Rd at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. Meadow along Butte Creek.
1767
Comment
CHSC51022
Eleocharis bella
Lowell Ahart; Vern Oswald
1990-7-5
6550 b
Butte
Small meadow, about 1/2 mile north of Butte Creek House, about 2 miles north-east of Snag Lake.
1828
Comment
CHSC55612
Eleocharis bella
L. P. Janeway
1987-6-19
2251
Butte
Meadow on Pinkard Creek, between Lewis Ridge and Mooreville Ridge; 6.5 mi from the Challenge-LaPorte Road and Travis Saddle via the road to Golden Trout Crossing.
1082
Comment
SEINET11746346
Eleocharis decumbens
Unknown
1980-1
2459
Butte
near intersection of Forbestown Rd & Black Bart Rd, ca 1 mi W of Robinson Mill Rd
671
Comment
CHSC41772
Eleocharis engelmannii
Lowell Ahart
1986-11-9
5448
Butte
On the bottom of a pond, about 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville.
36
Comment
CAS-BOT-BC113171
Eleocharis palustris
E. B. Copeland
1931-7-15
613
Butte
Jonesville, in and beside the Lily Pond, a permanent pool.
1750
Comment
CHSC83296
Eleocharis quinqueflora
L. P. Janeway; B. Castro
2002-7-7
7609
Butte
High Cascade Range. Soggy sedge-dominated meadow below the head of Keyser Creek and just below the dirt road; 0.5 km east of Bald Mountain Lookout.
1695
Comment
JEPS98389
Eleocharis quinqueflora
Lowell Ahart
2000-6-17
8488
Butte
7 air mi N of Oroville Oroville (North Table Mountain, W side of Cherokee Rd, S margin large spring-like area, W of lone oak tree, W of cow shute and large parking area)
403
Comment
RSA365441
Eleocharis quinqueflora
H. F. Copeland
1929-6-10
1246
Butte
Jonesville.
1524
Comment
CHSC97329
Eleocharis radicans
Kevin Quinn; Flora Quinn
2007-7-25
Butte
Sacramento Valley. Residential yard along Estates Way in Chico; near the south side of Lower Bidwell Park, about 0.8 mi northeast of Hwy 99.
69
Comment
JEPS98265
Eleocharis radicans
Lowell Ahart
2000-10-2
8698
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
SEINET3450856
Eleocharis rostellata
Lowell Ahart, John Dittes, Josephine Guardino, Steve Green
2003-5-27
10224
Butte
Chico, Chico, about 100 yards west of the dirt road, west of Diversion Dam on Big Chico Creek, west of Parking area L, Upper Bidwell Park, about 3.5 miles east of Manzanita Avenue, Ohio
120
Comment
CAS-BOT-BC112032
Eleocharis suksdorfiana
M. S. Taylor
1978-6-24
1668
Butte
In Montane Meadow, on n side of Old Humboldt Rd across from Butte Meadows.
1371
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
CHSC40457
Elymus elymoides subsp. elymoides
Lowell Ahart
1985-6-30
5091
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
SEINET10507701
Elymus glaucus
Mary Susan Taylor
1977-6-25
Taylor 1364
Butte
Foothill Woodland-Yellow Pine Forest transition zone, on Ponderosa Way betwe en Cohasset and Forest Ranch.
610
Comment
CHSC42920
Elymus glaucus subsp. jepsonii
Lowell Ahart
1987-7-8
5808
Butte
Along Big Bar Mountain Road, about 1 mile south-west of Coyote Gap, about 5 miles east of Pulga.
1280
Comment
CHSC82474
Elymus stebbinsii subsp. septentrionalis
Lowell Ahart; John Dittes, Josephine Guardino
2002-6-21
9738
Butte
On the sides of a poor dirt road, Watson Ridge, about 2 miles (air) northeast of Bald Rock Dome, about 5 miles (air) north of Feather Falls (the town).
Comment
CHSC28794
Enemion occidentale
J. D. Jokerst
1979-3-31
183
Butte
Just s of Little Chico Cr.
Comment
CHSC29022
Enemion occidentale
M. S. Taylor; J. D. Jokerst, L. Ahart
1980-4-4
2460
Butte
On s side of Swedes Flat Rd, ca. 1 mi e of its jct with Bangor-Oroville Hwy, ca. 10 mi se of Oroville.
335
Comment
SEINET10453209
Epilobium adenocaulon var. parishii
Lowell Ahart, Peter Ahart
1983-7-24
Ahart 4212
Butte
T20N R7E ne sec 32. At the Forbestown Reservoir, ca. 5 mi ne of Forbestown. Yellow Pine Forest; 450 m.
450
Comment
UCR219264
Epilobium brachycarpum
George K. Helmkamp, E. A. Helmkamp
2009-9-5
15589
Butte
Sacramento Valley, Lower Honcut Road, 0.9 rd. mi. west of Honcut, 7.8 mi. SE (111 deg. ) of Gridley
34
Comment
CHSC111152
Epilobium campestre
Lowell Ahart
2012-6-4
18153
Butte
Peter Ahart Ranch, about 2 1/4 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC30765
Epilobium canum subsp. latifolium
M. S. Taylor
1980-9-27
3344
Butte
S side of Hwy 70, at Butte-Plumas county line, on granite wall.
548
Comment
CHSC64120
Epilobium canum subsp. latifolium
B. Castro
1987-9-12
221
Butte
Ca 100 ft up from N edge of Butte Ck ca 0.6 mi S of the Ponderosa Way bridge, ca 0.5 mi S on Butte Creek Trail, by N edge of trail.
609
Comment
CHSC113171
Epilobium ciliatum subsp. ciliatum
Lowell Ahart
2013-11-13
19246
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
CHSC94033
Epilobium ciliatum subsp. ciliatum
R. D. Fischer
2005-6-12
744
Butte
Sierra Nevada foothills, off Hwy. 32, about 4 miles east of Chico off 10 Mile House Road in Bidwell Park. Collection made at bottom of trail near Big Chico Creek from a wet meadow drainage ditch adjacent road/trail.
219
Comment
SBBG127998
Epilobium ciliatum subsp. ciliatum
L. Ahart
2009-7-9
16003
Butte
E side of Ten Mile House Rd, upper Bidwell Park, ca. 0.75 mi W of Hwy 32, ca. 10 mi NE of Chico
236
Comment
UCD105645
Epilobium ciliatum subsp. ciliatum
L. Ahart
1982-9-13
3813
Butte
Pinkard Creek, ca. 1/8 mile N of Lost Creek Reservoir Dam, ca. 2.2 miles NW of Strawberry Valley.
1100
Comment
CHSC58931
Epilobium ciliatum subsp. glandulosum
Lowell Ahart
1992-7-26
6853
Butte
In a meadow along a small stream, on the south side of Coon Hollow, about 1/2 mile north of the Carr Mine, about 2 (air) miles south of Snow Mountain.
1798
Comment
CHSC21136
Epilobium densiflorum
M. S. Taylor
1975-6-30
817
Butte
In ditches, ca. 500 yds e of Cohasset Hwy, ca. 500 yds ne of Greenwood Store, Cohasset.
853
Comment
CHSC48633
Epilobium minutum
Vernon Oswald
1987-4-20
2333
Butte
Butte Creek Preserve on the s side of the creek ne of the Skyway.
85
Comment
CHSC70341
Epilobium minutum
R. A. Schlising
1980-6-10
3676
Butte
Along Humboldt Road, 1.9 mi NE of junction with Hwy 32 at Lomo; Carpenter Ridge.
1356
Comment
SBBG32323
Epilobium minutum
L. S. Rose
1963-6-2
Butte
2 mi S of Pulga, N Fork of Feather River
579
Comment
SEINET12194592
Epilobium minutum
Unknown
1985-1
4970
Butte
N of Oroville, W of Lunt Road, ca 0.5 mi N of intersection of Lunt Rd. and Rt. 70, N of Yankee Hill
503
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
CHSC103744
Epilobium torreyi
Lowell Ahart
2010-5-22
16710
Butte
About 100 yards east of the fence, about 200 yards east of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
385
Comment
CAS-BOT-BC57993
Equisetum arvense
Lowell Ahart
1987-8-3
5847
Butte
Along the N. Fork of the Feather River, near the Poe Power House, about 2 mi. se. of Jarbo Gap.
271
Comment
CHSC63794
Equisetum arvense
S. C. Morey
1983-8-1
664
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows.
1292
Comment
SD10028
Equisetum arvense
E. B. Copeland
1930-6-24
Butte
Jonesville
1500
Comment
CHSC11939
Equisetum laevigatum
E. B. Copeland
1930-6-24
403
Butte
Jonesville.
1500
Comment
CHSC33694
Equisetum laevigatum
L. Ahart
1981-4-9
2752
Butte
Near the edge of North Honcut Creek on Peter Ahart Ranch, ca. 1 mi n and 3 mi e of Honcut.
50
Comment
CHSC63793
Equisetum laevigatum
Gerald A. Winter
1989-4-15
16
Butte
Ca. 1 yd from n side of Big Chico Creek, ca. 100 yds e of diversion dam but before salmon hole.
60
Comment
JEPS116131
Equisetum laevigatum
Lowell Ahart
2009-5-15
15685
Butte
On the east side of Big Chico Creek, about 50 years west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west Highway 32, about 10 miles northeast of Chico
203
Comment
SEINET10831621
Eragrostis mexicana subsp. virescens
John Thomas Howell
1959-9-20
Howell 34675
Butte
Lower foothills, eastern outskirts of Oroville.
61
Comment
CDA34555
Eragrostis pectinacea var. pectinacea
L. Ahart
2008-11-4
15405
Butte
On the east edge of the paved road. about 100 yards south of the entrance to the large parking area on the north end of Oroville Dam, about 4 miles (air) northeast of Oroville.
Comment
JEPS108151
Eremogone cliftonii
L. P. Janeway, C. Christofferson, S. Mackey Hillaire, M. Brown
2005-5-11
8388
Butte
Northern High Sierra Nevada. Plumas National Forest; upper slope overlooking Lockerman Creek, 0.7 km east of Lockerman Creek and 1.2 km east-northeast of its confluence at Camp Creek
1234
Comment
CHSC78797
Ericameria arborescens
Vernon H. Oswald
2000-9-23
9971
Butte
Lumpkin Rd 2.0 mi northwest of the Enterprise Bridge over Lake Oroville.
518
Comment
SD5254
Ericameria bloomeri
E. B. Copeland
1930-8-26
Butte
Jonesville
1550
Comment
RSA32021
Erigeron foliosus var. hartwegii
A. A. Heller
1940-6-5
15700
Butte
Feather River Highway between the bridge crossing and the mouth of the West Branch
Comment
UC1564804
Erigeron glacialis var. glacialis
V. Oswald and L. Ahart
1989-7-12
3844
Butte
2.3 (air) mi nne Bald Mtn. Lookout (on road between lookout and Jones Meadow)
1828
Comment
CAS-BOT-BC295163
Erigeron inornatus
Lowell Ahart
1983-7-24
4206
Butte
At the Forbestown Res., about 5 miles north-east of Forbestown
450
Comment
SEINET10938074
Erigeron inornatus
Mary Susan Taylor
1981-6-7
Taylor 3860
Butte
T22N R5E sw/sw sec 14, Pulga quad. Dry sites along old mining road on N side of Bear Ranch Creek, across from Feather River Hwy 70 from Arch Rock Tunnel Area, ca. 20 air mi NE of Oroville; on granite; 1700 ft elev.
518
Comment
CDA13237
Erigeron inornatus var. inornatus
G. F. Hrusa, T. D. Wilfred
1996-7-8
13084
Butte
Plumas National Forest; Old Railroad Grade Rd. nr. Paradise Lake Dam, approx. 3 m. N of Magalia.
Comment
CHSC84726
Erigeron inornatus var. inornatus
L. P. Janeway; Christine Hantelman
2003-6-19
7851
Butte
Northern Sierra Nevada Foothills. Along south edge of Middle Fork Feather River arm of Lake Oroville, half way between mouth of South Fork Feather River arm of the lake and mouth of Bean Creek.
277
Comment
RSA4148
Erigeron inornatus var. inornatus
E. B. Copeland
1930-7-6
490
Butte
Jonesville
1550
Comment
SBBG17301
Erigeron philadelphicus
M. Vincent
1962-4-15
173
Butte
intersection of Bernum and Pentz Rds, near the town of Pentz
Comment
UC600740
Erigeron philadelphicus var. philadelphicus
H. F. Copeland
1932-7-21
Butte
near Kennedy's Meadow; Jonesville
Comment
CDA42965
Eriochloa acuminata var. acuminata
L. Ahart
2013-10-12
19108
Butte
On the east side of Palermo Honcut Highway, about 20 yards south of Palermo Road, Palermo.
Comment
CHSC33513
Eriogonum marifolium var. marifolium
R. A. Schlising
1981-6-28
4120
Butte
E of Stirling City and W of Little Kimshew Creek in E part of county; on andesitic Table Mountain.
1828
Comment
CAS-BOT-BC261718
Eriogonum nudum var. oblongifolium
A. A. Heller
1914-7-22
11585
Butte
Little Summit near Butte Meadows
1463
Comment
CHSC39135
Eriogonum nudum var. oblongifolium
R. A. Schlising; K. Tarp
1982-7-28
4355
Butte
Plumas Natl. Forest, sw of Coyote Gap and s of Big Bar Mt.
868
Comment
JEPS87617
Eriogonum nudum var. oblongifolium
Lowell Ahart
1994-10-16
7563
Butte
about 3/4 mi sw along dirt road Forbestown Reservoir Dam (near creek, about 2 air mi n and 3 1/2 mi e of Forbestown); Woodleaf Creek
762
Comment
CAS-BOT-BC269851
Eriogonum nudum var. pubiflorum
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CHSC45487
Eriogonum roseum
Lowell Ahart
1975-9-4
982
Butte
Along the edges of Ponderosa Way, about 2 miles south-west of Feather Falls, about 1 1/2 miles north-west of the Ponderosa Dam.
396
Comment
SD1350
Eriogonum spergulinum var. reddingianum
E. B. Copeland
1931-7-11
633
Butte
Jonesville, Ridge between Jones and North Willow Creeks
1700
Comment
CHSC69661
Eriogonum umbellatum var. ahartii
Vernon Oswald; Lowell Ahart
1997-9-9
8857
Butte
Northeast of Magalia near the gravel pit on Jordan Hill Rd. 1.4 road mi east of the Whiskey Flat Bridge over the West Fork Feather River, 0.7 air mi northwest of Sawmill Pk. Lookout.
719
Comment
RSA0114874
Eriogonum umbellatum var. ahartii
L. P. Janeway
2014-8-13
11570
Butte
Northern High Sierra Nevada. Plumas National Forest; Magalia Serpentine (McNab Cypress proposed Special Interest Area); about 2/3 of the way down the steep slope between Coutolenc Road and West Branch Feather River (and the diversion dam).
540
Comment
RSA88593
Eriogonum umbellatum var. ahartii
J. T. Howell
1951-8-19
28160
Butte
2 miles west of Pulga
366
Comment
POM220118
Eriogonum ursinum
H. F. Copeland
1928-8-29
441
Butte
Neighborhood of Jonesville. Dry rocks in Butte Creek Canyon
Comment
SEINET10479576
Eriogonum ursinum
Mary Susan Taylor
1980-7-6
Taylor 3075
Butte
T25N R3E ne sec 11, Butte Meadows quad; on S side of Old Humboldt Rd, on rocky slope beneath power lines, ca. 0.9 mi W of Butte Meadows Forestry Station. With R.A. Schlising.
1341
Comment
CHSC51897
Eriogonum vimineum
L. P. Janeway
1988-7-2
2965
Butte
Near the road into French Creek 0.6 mi S of Coyote Gap. Shaley SE-facing ridge outcrop.
1219
Comment
JEPS106049
Eriogonum vimineum
Lowell Ahart
2004-7-11
11224
Butte
On the southeast edge of Paradise Lake, about 3/4 mile northeast of the picnic area, about 1 mile northeast of Paradise Dam, about 4 miles (air) southwest of Stirling City
814
Comment
CHSC45950
Eriogonum wrightii var. trachygonum
Lowell Ahart
1974-9-7
626
Butte
On a gravel bar along North Honcut Creek, Peter Ahart Ranch, about 1 1/4 miles north and 3 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
CAS-BOT-BC308169
Eriophyllum lanatum var. grandiflorum
E. B. Copeland
1930-7-11
492
Butte
Jonesville
1550
Comment
CHSC38346
Eriophyllum lanatum var. grandiflorum
Vernon Oswald
1983-4-25
389
Butte
Upper Bidwell Park, Chico, on the north rim ca. 0.4 mi w of the power lines.
182
Comment
HSC38067
Eriophyllum lanatum var. grandiflorum
Thomas W. Nelson, Jane P. Nelson
1976-5-10
2475
Butte
S facing slope beside Hwy. 191, 1 mi. W of Paradise
Comment
UC896354
Eriophyllum lanatum var. grandiflorum
A. A. Heller
1915-5-28
11909
Butte
near Cohasset; Sierra foothills
Comment
CAS-BOT-BC301466
Eriophyllum lanatum var. integrifolium
A. A. Heller
1917-7-26
12821
Butte
Butte Meadows
1402
Comment
SBBG8177
Eriophyllum lanatum var. integrifolium
H. and M. Dearing
1938-6-21
2045
Butte
15 mi N of Chico
Comment
RSA0035334
Erodium brachycarpum
Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-10
17998
Butte
On the east side of the horse path, about 100 yards north of the paved park road, west side of the old walnut orchard, south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico.
76
Comment
JEPS115597
Erodium cicutarium
Lowell Ahart
2009-4-22
15579
Butte
West side of Guardians Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico
381
Comment
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
SEINET10495114
Erodium moschatum
Mary Susan Taylor
1975-3-25
Taylor 420
Butte
Chico.
Comment
UCD114817
Eruca vesicaria subsp. sativa
A. A. Heller
1914-7-11
11560
Butte
Chico-Hamilton road 6 miles from Chico.
Comment
CHSC116735
Eryngium castrense
Lowell Ahart
2016-5-24
20849
Butte
On dry yellow soil, 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
HSC38053
Eryngium vaseyi
Thomas W. Nelson, Jane P. Nelson
1976-5-9
2459
Butte
Dry meadow at intersection of Palermo Rd. & Hwy 70, about 4 mi. S of Oroville
Comment
CHSC27980
Erysimum capitatum var. capitatum
M. S. Taylor
1978-7-18
1712
Butte
On e side of Humboldt Peak, at Humboldt Summit.
2133
Comment
CHSC42039
Erythranthe bicolor
Lowell Ahart
1986-5-20
5280
Butte
Road goes to the Forbestown Reservoir, about 2 miles south-west of the Forbestown Reservoir, about 2 1/2 miles north-east of Forbestown.
822
Comment
CHSC44825
Erythranthe bicolor
R. Banchero
1980-4-26
138
Butte
Along the Cohasset Hwy 6.1 mi NE of its jct with Keefer Rd, ca 1.4 mi E of the Hwy.
609
Comment
CHSC38697
Erythranthe cardinalis
Vernon Oswald
1983-7-13
865
Butte
Upper Bidwell Park, Chico, at the retaining wall at the e end of Centennial Ave.
85
Comment
CHSC25056
Erythranthe geniculata
G. N. Steger
1972-4-15
Butte
Located at base of Coal Creek Falls, Coal Canyon, North Table Mt., 4 mi n of Cherokee Rd. and 1 1/2 mi nw from Cherokee Rd.
304
Comment
CHSC31868
Erythranthe geniculata
L. Ahart
1974-5-14
453
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC22330
Erythranthe glaucescens
Robert A. Schlising
1963-5-4
2564
Butte
Sierra Nevada. South of Cohasset, 5.2 miles north of Jct. Cohasset Hwy and Kiefer Road, along Cohasset Hwy.
Comment
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
CHSC7109
Erythranthe glaucescens
James M. Watson
1969-4-4
8
Butte
4.3 mi e of upper Bidwell Park entrance 50 yds. n of road.
213
Comment
CAS-BOT-BC153865
Erythranthe glaucescens
Mrs. C. C. Bruce
1897-5-1
2104
Butte
Butte Creek & Iron [canon] Canyon
Comment
SEINET8360340
Erythranthe glaucescens
Sam M. Grossberg
1978-4-21
15
Butte
ca. 100 yds wnw of Highway 32, 9.2 mi ne of Chico.
381
Comment
CHSC44743
Erythranthe guttata
R. Banchero
1980-6-23
262
Butte
Along Eagle Gulch Rd 1.8 mi N of its jct with Laporte Rd, 1.6 mi SW of Sly Reservior.
1066
Comment
CHSC44744
Erythranthe guttata
R. Banchero
1980-6-26
268
Butte
Along Bull Hill Rd 2.5 mi N of its jct with the Skyway.
1524
Comment
CHSC42716
Erythranthe microphylla
Lowell Ahart
1987-6-9
5735
Butte
On a sand bar on the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment Read comments Jun 25 2013
CHSC90826
Erythranthe microphylla
Lowell Ahart
2005-5-2
11781
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
CHSC64223
Erythranthe primuloides
S. C. Morey
1983-7-28
631
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humbolt Rd. at Butte Meadows.
1292
Comment
SEINET8370238
Erythranthe primuloides
A. A. Heller
1914-6-22
11497
Butte
Chico meadows.
1219
Comment
SEINET8399967
Erythranthe primuloides
E. B. Copeland
1929-7-13
459
Butte
Jonesville.
1550
Comment
SEINET10938446
Erythronium cliftonii
Mary Susan Taylor
1981-4-8
Taylor 3515
Butte
T23N R4E se sec 36, Pulga SW quad. Serpentine embankment, s side of Ponderosa Way on Rocky Ridge looking down into Flea Valley Creek canyon, ca. 6.5 mi n of Jarbo Gap on Hwy 70, ca. 2l air mi n of Oroville. 3300 ft.
1006
Comment
CHSC49690
Erythronium multiscapideum
Vernon Oswald
1985-4-3
1697
Butte
Concow Rd. n of Lake Concow.
792
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
CAS-BOT-BC502809
Erythronium purpurascens
Clarence R. Quick
1952-6-30
52 -103
Butte
Ridge top, Big Bar Mountain east of Pulga
Comment
CAS-BOT-BC402647
Eschscholzia caespitosa
Gladys L. Smith
1976-4-8
s.n.
Butte
Table Mountain
Comment
JEPS119533
Eschscholzia caespitosa
Lowell Ahart
2012-4-20
17898
Butte
On the west side of South Rim Trail, animal trail north of Bloody Pin Trail, about 5/8 mile west of Highway 32, about 7 3/8 miles northeast of Chico, south part of Upper Bidwell Park.
Comment
UC1303106
Eschscholzia lobbii
A. A. Heller
1928-4-4
14483
Butte
near Hooker Oak (e of Chico)
Comment
SEINET12092006
Eschscholzia lobbii
Unknown
1979-1
17
Butte
Small population ca 5 mi SE of the town of Cherokee on Cherokee Road on Table Mtn., 23 mi SE
Comment
SEINET10453754
Euphorbia crenulata
Mary Susan Taylor
1982-6-24
Taylor 4736
Butte
T23N R5E sw/sw sec 29. Pulga SW quad. At end of spur rd along Flea Valley Ridge, ca. 1.5 mi se of Flea Mt, ca. 9 mi ne of Jarbo Gap on Hwy 70; n of Pulga. Mixed Evergreen Forest; 3500 ft.
1069
Comment
UCD142599
Euphorbia maculata
G. K. Helmkamp; E. A. Helmkamp
2007-10-7
13063
Butte
Northern Sacramento Valley. East Gridley Road at the west edge of the Feather River bridge.
27
Comment
CAS-BOT-BC202420
Euphorbia ocellata
Lowell Ahart
1989-5-23
6256
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
SD60216
Euphorbia ocellata
A. A. Heller
1927-9-5
14469
Butte
at the base of hills ca. 3 miles east of Chico
Comment
UCD142650
Euphorbia ocellata
John Thomas Howell
1959-9-19
34613
Butte
5 miles west of Oroville.
45
Comment
JEPS119577
Euphorbia peplus
Lowell Ahart
2012-4-17
17877
Butte
About 100 yards south of where the road turns north, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) southwest of Oroville.
Comment
SEINET10453781
Euphorbia serpillifolia
Lowell Ahart
1990-9-30
Ahart 6606
Butte
On the north side of Canyon Creek, below the high water line of Lake Oroville, about 1/8 mile north of the Canyon Creek Bridge across lake Oroville. Foothill Woodland (destroyed). T20N R5E SE/S17.
229
Comment
CHSC106593
Festuca elmeri
B. Castro; L. P. Janeway
2001-3-17
1267
Butte
Along USFS Rd 23N28, about halfway between Coyote Gap and Big Bar Mtn.
1249
Comment
CHSC113276
Festuca myuros var. hirsuta
Lowell Ahart
2014-4-25
19404
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
CHSC49547
Festuca occidentalis
Vernon Oswald
1987-6-2
2946
Butte
Butte-Yuba County line about 3 mi ne of Forbestown, on the se side of Forbestown Reservoir Rd. Along a trail in forest.
883
Comment
CHSC82473
Festuca occidentalis
Lowell Ahart; John Dittes, Josephine Guardino
2002-6-21
9744
Butte
On the north side of a poor dirt road, Watson Ridge, about 2 miles (air) northeast of Bald Rock Dome, about 5 miles (air) north of Feather Falls (the town).
Comment
SEINET231715
Festuca occidentalis
Lowell Ahart, Peter Ahart
1984-6-10
4704
Butte
Ca 2 mi SW of Forbestown Diversion Dam NE of Forbestown Yellow Pine Forest
700
Comment
SEINET10507963
Festuca occidentalis
Mary Susan Taylor
1975-10-29
Taylor 969
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
SEINET10831660
Festuca occidentalis
A. Arthur Heller
1913-6-7
Heller 10791
Butte
Near Stirling.
1036
Comment
CHSC61369
Festuca subulata
Lowell Ahart
1993-7-23
7107
Butte
On the sides of a 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
SEINET11672004
Festuca subulata
Unknown
1983-1
4107
Butte
along Ponderosa Way ca 0.12 mi E of int Oroville Quincy Hwy & Ponderosa Way, ca 15 mi NE of Oroville
Comment
SEINET10475088
Filago gallica
Mary Susan Taylor
1980-5-27
Taylor 2681
Butte
T21N R6E sc sec 30. Big Bend quad. On Big Bald Rock, ca. 3 mi E of Lake Madrone; Yellow Pine Forest, large granite dome
998
Comment
JEPS102419
Foeniculum vulgare
Lowell Ahart
2001-6-13
8816
Butte
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) SW of Gridley.
22
Comment
UC398923
Fragaria virginiana subsp. platypetala
E. B. Copeland
1929-7-16
373
Butte
Jonesville
1550
Comment
SEINET7417535
Frangula californica subsp. californica
A. A. Heller
1915-1
11882
Butte
canyon of Chico Creek 5 mi E of Chico
Comment
CAS-BOT-BC62911
Frangula californica subsp. tomentella
A. A. Heller; H. E. Brown
1902-5-6
5468
Butte
Berry Canyon (Near Clear Creek).
Comment
CHSC108172
Frangula californica subsp. tomentella
L. P. Janeway
2011-8-18
10665
Butte
Northern High Sierra Nevada. Plumas National Forest; eastern slope of Bloomer Hill, 1.0 km east of the top. East-sloping springtime meadow (now dry).
701
Comment
CAS-BOT-BC55650
Frangula purshiana
A. A. Heller
1928-6-16
14690
Butte
in the yellow pine forest at Butte Meadows
Comment
CAS-BOT-BC55656
Frangula purshiana
C. R. Quick
1946-8-21
46 -128
Butte
Meadow near Pulga
Comment
CHSC34146
Frangula purshiana
L. Ahart
1981-9-15
3151
Butte
Along edge of rd, ca. 1/2 mi n of Lost Creek Reservoir, along Pinkard Creek.
1100
Comment
CAS-BOT-BC223385
Fraxinus dipetala
A. A. Heller
1914-5-18
11405
Butte
Between Chico and Forest Ranch, 14 miles from Chico
Comment
CHSC108992
Fraxinus dipetala
Lowell Ahart
2012-4-30
17896
Butte
On the west side of South Rim Trail, about 5/8 mile west of Highway 32, about 8 1/2 miles northeast of Chico, south part of Upper Bidwell Park.
254
Comment
CHSC99556
Fraxinus dipetala
L. P. Janeway
2008-5-26
9370
Butte
Northern Sierra Nevada Foothills. East side of West Branch Feather River about 2.4 km north-northeast of Magalia; along Jordan Hill Road (old Ponderosa Way) 1.0 road km northeast of the bridge over West Branch Feather River. Steep northwest-facing rocky scrub area in otherwise mixed conifer forest.
564
Comment
POM76518
Fraxinus dipetala
C. C. Bruce
1897-03
1789
Butte
Little Chico
Comment
UC215516
Fraxinus dipetala
Helen M. Edwards
Jun 1917
Butte
De Sabla
Comment
CHSC27636
Fremontodendron californicum
Robert A. Schlising
1978-5-9
3229
Butte
In chaparral south of Cohasset, along dirt road parallel with Cohasset Hwy, about 6 mi NE of Hwy crossing of Mud Creek.
Comment
HSC66271
Fremontodendron californicum
M. S. Taylor, J. D. Jokerst
1980-5-15
2638
Butte
1/4 mi. E of Cohasset Rd. on Cohasset Ridge, 9 mi. NE of Chico
396
Comment
CHSC49657
Fritillaria recurva
Vernon Oswald
1984-5-9
1176
Butte
Calif. Hwy 32, 12.0 mi n of Forest Ranch (between Forest Ranch and Lomo).
1158
Comment
SEINET10469525
Fritillaria recurva
Mary Susan Taylor
1980-5-8
Taylor 2607
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
UC726736
Fritillaria recurva
A. A. Heller
1939-4-26
15386
Butte
near Stirling
Comment
CAS-BOT-BC508147
Fritillaria recurva
Flower Show
1929-4-1
s.n.
Butte
Unspecified
Comment
CHSC42432
Galium aparine
Lowell Ahart
1987-5-9
5579
Butte
Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga.
365
Comment
UC600431
Galium bifolium
H. F. Copeland
1931-6-10
1517
Butte
gulch draining into Colby Canyon
1524
Comment
CHSC38657
Galium bolanderi
Vernon Oswald
1983-5-9
461
Butte
Upper Bidwell Park, Chico. 100 ft W of the east terminus of Yahi Trail (near the turn-around at the E end of the park).
207
Comment
SEINET10500694
Galium bolanderi
Mary Susan Taylor
1978-7-18
Taylor 1671
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
SEINET10500698
Galium bolanderi
Mary Susan Taylor
1978-7-21
Taylor 1801
Butte
Vicinity of Lake Madrone, at Oroville- Quincy Hwy turnoff, ca. 10 mi NE of Oroville; Yellow Pine Forest.
610
Comment
JEPS27421
Galium grayanum
F. Ehrendorfer
1959-7-22
5937
Butte
summit above Jonesville (ridge e of pass, Butte-Plumas Co., type locality)
2042
Comment
CHSC48885
Galium grayanum var. grayanum
Vernon H. Oswald
1983-8-17
988
Butte
Trail between Humboldt Summit and Humboldt Peak, ca 3 mi NE of Jonesville.
2097
Comment
SEINET12318317
Galium nuttallii
D. G. Bendix
1978-1
8
Butte
Butte Creek Canyon 5.4 km E of junction of Honey Run Rd with Skyway, 10 km E of Chico, ca 10 m NE of
100
Comment
CHSC40370
Galium parisiense
Lowell Ahart
1985-6-17
5062
Butte
100 yards south of the dirt road, Lumpkin Ridge, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
975
Comment
JEPS127073
Galium parisiense
Lowell Ahart
2016-5-30
20901
Butte
Peter Ahart Ranch, about 2 1/2 miles north and 1/4 mile east of Honcut, about 12 miles (air) south of Oroville.
Comment
CHSC7105
Galium porrigens var. tenue
Harley J. Parmenter
1969-2-11
7
Butte
40 yds. N of the entrance to Burtons Mesa.
298
Comment
RSA755758
Galium porrigens var. tenue
L. Ahart
2009-5-23
15753
Butte
South side of Ten Mile House Road, Upper Bidwell park, about 100 yards west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
462
Comment
JEPS119507
Garrya fremontii
Lowell Ahart
2012-3-2
17759 -A
Butte
About 200 yards north of Ten Mile House Road, about 200 yards west of Highway 32 about 9 miles northeast Chico.
Comment
SBBG29803
Garrya fremontii
E. B. Copeland
1932-7-27
Butte
Jonesville
1650
Comment
SEINET5765227
Garrya fremontii
J. T. Howell
1975-6-15
51081
Butte
2 miles from Paradise on 'Skyway' to Chico.
396
Comment
CHSC27291
Gastridium phleoides
P. Moyer
1972-5-7
206
Butte
CSUC Campus. N bank of Chico Ck., e of Gus Magnolis Bridge.
60
Comment
CHSC39525
Gastridium phleoides
Lowell Ahart
1983-6-21
4063
Butte
Along the edge of Bloomer Hill Road, 1/8 mile west of the Oroville Quincy Highway, 1 1/4 miles south of the Berry Creek School, north-east of Oroville.
400
Comment
SEINET4571746
Gastridium phleoides
R. McKee, H. L. Westover
1918-6-5
s.n.
Butte
Paradise
Comment
JEPS107518
Gastridium ventricosum
Lowell Ahart
2005-7-13
12149
Butte
About 20 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville
759
Comment
UCD103639
Gayophytum diffusum subsp. parviflorum
Cameron Blake; Jane Turner
1962-6-18
SK and F 998
Butte
Mono Hot Springs.
1981
Comment
CHSC105537
Gayophytum heterozygum
Lowell Ahart
2010-9-21
17215
Butte
On damp bare soil, open meadow like area in red fir forest, about 70 yards east of the poor dirt road, about 80 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrood Reservoir.
1917
Comment
UCD103535
Gayophytum heterozygum
R. Banchero; R. A. Schlising
1980-7-7
3849
Butte
NE of Village of Feather Falls, 0.7 mi N of Fall River Campground and bridge.
Comment
JEPS121941
Gayophytum racemosum
Lowell Ahart
2014-7-7
19602
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
CHSC94438
Gentianopsis simplex
L. P. Janeway
2006-8-12
8846
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
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
JEPS119709
Geranium dissectum
Lowell Ahart
2012-5-2
17968
Butte
About 100 yards west of the Easter Cross Parking Lot, Upper Bidwell Park, about 1 mile east of Chico.
Comment
CHSC23642
Geranium molle
M. S. Taylor
1976-3-30
1039
Butte
On s side of Cherokee Rd, ca. 1 mi s of Cherokee, on n side of Table Mountain.
304
Comment
CHSC110102
Geranium purpureum
L. P. Janeway
2012-5-29
10826
Butte
Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 1.9 road km north of Lower Forbestown Road; 1.8 air km south of the Ponderosa Reservoir dam.
658
Comment
UC660001
Gilia capitata subsp. mediomontana
Lincoln Constance
1941-5-28
2827
Butte
South Branch of the Feather River at Magalia; Sierra Nevada foothills, South Branch Feather River
487
Comment
HSC32409
Gilia tricolor
Dave Knorr
1974-4-20
134
Butte
Oroville's Table Mtn. near Cherokee Rd.
Comment
CHSC100984
Gilia tricolor subsp. tricolor
L. P. Janeway
2008-4-2
9245
Butte
Cascade Range Foothills. East edge of City of Chico; slope on north side of Humboldt Road 2.9 km northeast of Bruce Road.
178
Comment
CHSC41667
Ginkgo biloba
L. P. Janeway
1986-3-19
1336
Butte
City of Chico. Planted in the lawn behind the Bidwell Mansion.
Comment
CHSC37257
Githopsis diffusa subsp. robusta
L. Ahart
1982-6-15
3574
Butte
Ca. 1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls.
1000
Comment
SEINET10464455
Githopsis diffusa subsp. robusta
Taylor
1981-5-21
Taylor 3768
Butte
South side of Concow road, about 0.5 mile south of its junction with Ponderosa Way (Rim Road), about 20 air miles north of Oroville. T22N R4E NW/SW Sec 1 & NE/NE Sec 2 Pulga SW quad.
853
Comment
CHSC103958
Githopsis pulchella subsp. campestris
Lowell Ahart
2010-5-23
16736
Butte
On the west side of Pine trail, about 80 yards west of Highway 32, about 9 miles (air) northeast of Chico.
478
Comment
SEINET10840482
Githopsis pulchella subsp. campestris
Carter
1965-5-15
Carter 201
Butte
On east side of Highway 32, 10.7 miles northeast of 99E overpass at Chico
305
Comment
UC727174
Githopsis pulchella subsp. campestris
A. A. Heller
1941-5-9
16106
Butte
Clark Road, foot of the Paradise grade Paradise Grade
Comment
CHSC38288
Githopsis specularioides
Vernon Oswald
1983-4-25
381
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1.5 mi e of the power lines.
353
Comment
CHSC62542
Githopsis specularioides
L. P. Janeway
1993-5-2
4336
Butte
Serpentine rocky outcrop narrow ridge, south of Serpentine Point and above Hwy 70.
518
Comment
UC1609064
Githopsis specularioides
Lowell Ahart
1993-6-20
6997
Butte
about 1 air mi nw Lost Creek Reservoir Dam; Mooreville Ridge, Jackass Flat
1158
Comment
UC1562276
Glinus lotoides
Lowell Ahart
1990-7-2
6537
Butte
near McCabe Creek (below the high water line of Lake Oroville, about 1/2 mi sw of the Enterprise Bridge across Lake Oroville)
243
Comment
CHSC61541
Glyceria elata
Lowell Ahart
1993-7-6
7050
Butte
In a meadow, on the north side of the dirt road, about 1/4 mile west of the Lost Creek Reservoir.
1036
Comment
SEINET10508575
Glyceria occidentalis
Lowell Ahart
1983-4-18
Ahart 3936
Butte
Peter Ahart Ranch, ca. 3 mi ne of Honcut. Valley Grassland; 50 m.
50
Comment
CAS-BOT-BC302471
Gnaphalium palustre
H. F. Copeland
1928-8-17
679
Butte
Jonesville
Comment
JEPS120609
Gnaphalium palustre
Lowell Ahart
2013-11-13
19228
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
CHSC28834
Gratiola ebracteata
J. D. Jokerst; T. B. Devine, D. Greenstein
1979-5-18
426
Butte
Top of North Table Mt, ca 1.0 mi n of jct of e edge of Mt and Cherokee Rd.
381
Comment
SEINET10872144
Grindelia camporum
Mary Susan Taylor
1979-10-13
Taylor 2262
Butte
T22N R4E s edge of sec 8. Serpentine outcrop on Jordan Hill Road (Ponderosa Way on some maps), ca. 5.3 mi N of its jct with Concow Road, ca. 2 mi E of Paradise. With Jim Jokerst.
610
Comment
CHSC76119
Grindelia hirsutula var. davyi
G. F. Hrusa; T. D. Wilfred
1997-6-27
13915
Butte
Sierra Nevada. Feather Falls/Cascade Rd. Roadside.
1200
Comment
RSA770729
Grindelia hirsutula var. davyi
George K. Helmkamp, E. A. Helmkamp
2009-9-5
15587
Butte
Lower Honcut Road, 0.9 rd. mi. west of Honcut, 7.8 mi. SE (111 deg ) of Gridley
34
Comment
JEPS119728
Gymnocladus dioicus
Lowell Ahart, Susan Bazell, Josephine Guardino, Wes Dempsey
2012-7-5
18274
Butte
Path in redwood grove north of the Deer Pen, near Table 9, Lower Bidwell Park, Chico.
Comment
UC480671
Hackelia nervosa
H. F. Copeland
1931-6-11
Butte
woods above Butte Creek Meadows; Jonesville
Comment
CHSC28541
Hazardia whitneyi
M. S. Taylor; J. D. Jokerst
1979-10-13
2269
Butte
Jordan Hill Rd, near Sawmill Peak, ca. 9.2 mi n of its jct with Concow Rd, ca. 2 mi e of Magalia.
944
Comment
CAS-BOT-BC306289
Hedypnois cretica
Roxana S. Ferris
1952-5-16
12476
Butte
5 miles south of Cherokee on road to Oroville
Comment
SEINET10487247
Hedysarum boreale
Mary Susan Taylor
1981-5-22
Taylor 3799
Butte
Open grassy areas around a landing, ridge N of Flea Valley Creek drainage and above Pulga, about 5 air mi E of Magalia.
1006
Comment
CHSC89488
Helenium puberulum
R. D. Fischer
2004-8-24
440
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located at bottom of 10 Mile House Road near gated end of park property. At edge of road in drainage ditch.
216
Comment
CHSC96913
Helenium puberulum
Lowell Ahart
2006-7-27
14399
Butte
On the south strand of the Thermalito Afterbay, about 200 yards north of Highway 162, about 5 miles west of the intersection of Highway 162 and Highway 70, about 5 1/2 miles (air) west of Oroville.
36
Comment
CHSC45681
Helianthus annuus
Vernon Oswald
1987-8-2
3174
Butte
East side of the Sacramento River just north of (Glenn Co.) Rd. 29.
32
Comment
CHSC113537
Heliotropium europaeum
Lowell Ahart
2014-9-23
19863
Butte
Parking lot of the Rod and Gun Club, Upper Bidwell Park, about one mile east of Chico.
90
Comment
CDA5608
Heliotropium europaeum
L. Ahart, Vernon Oswald
1999-8-13
8163
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
CAS-BOT-BC314999
Hemizonella minima
Lowell Ahart
1988-6-29
6097
Butte
North of Bean Creek Road about 0189 mile south-east of Little Bald Rock
975
Comment
SEINET10475211
Hemizonia fitchii
Mary Susan Taylor
1975-10-4
Taylor 950
Butte
E side of Kunkle Reservoir, ca. 1/4 mi E of Pentz-Magalia Hwy, ca. 1 mi S of Paradise; open to sun.
610
Comment
CAS-BOT-BC310160
Hesperevax caulescens
Lowell Ahart
1979-5-11
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
JEPS104456
Hesperevax caulescens
Lowell Ahart
2003-5-14
10175
Butte
About 150 yd w of the dredge piles along North Honcut Creek, ca 2 1/2 mi n and 2 1/2 mi e of Honcut, ca 12 mi se of Oroville.
60
Comment
UC1185274
Hesperevax caulescens
H. E. Brown
May 1 1897-May 15 1897
209
Butte
near Clear Creek
Comment
UC478502
Hesperolinon micranthum
E. B. Copeland
1931-7-12
656
Butte
ridge between Jones Creek and North Willow Creek; Jonesville
1700
Comment
CHSC113973
Heteranthera limosa
Lowell Ahart
2014-10-14
19884
Butte
Open area in a rice field, Peter Ahart Ranch, about 2-1/4 miles north and 1/4 mile east of Honcut, about 12 miles south of Oroville.
29
Comment
UCD13377
Heteranthera rotundifolia
Sue Nichol
1996-7-1
s.n.
Butte
Biggs Rice station; near Hwy 162. North of Butte city.
Comment
UCD60530
Heteranthera rotundifolia
Collector Unknown
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
CHSC113493
Heterocodon rariflorum
Lowell Ahart
2014-7-10
19630
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1664
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
CHSC44276
Heterocodon rariflorum
Vernon Oswald
1988-6-14
3379
Butte
Jordan Hill Rd. 0.5 mi s of the road to Sawmill Peak.
890
Comment
CHSC100485
Heteromeles arbutifolia
Lowell Ahart; John Dittes, Josephine Guardino
2008-11-8
15427
Butte
On the south side of the gravel road and Big Chico Creek, about 300 yards east of the end of Chico Canyon Road, Upper Bidwell Park, Chico.
68
Comment
CHSC42462
Heterotheca grandiflora
Lowell Ahart
1987-5-6
5502
Butte
Along the dirt road, near the Poe Power House on the east side of the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap.
280
Comment
CAS-BOT-BC420458
Heuchera micrantha var. erubescens
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CAS-BOT-BC203377
Hibiscus lasiocarpos var. occidentalis
John Thomas Howell; Thos. H. Kearney
1955-9-6
30907
Butte
Bank of Butte Creek east of Butte City on road to Oroville
Comment
CHSC38547
Hibiscus lasiocarpos var. occidentalis
Vernon Oswald
1983-7-22
899
Butte
Upper Bidwell Park, Chico, ca. 300 ft n of Upper Park Rd. at Parking Area L (Diversion Dam).
128
Comment
CAS-BOT-BC280717
Holcus lanatus
L. L. Heinrichs
1964-4-28
s.n.
Butte
C. L. Boynton prop., across Hwy 40 Alt. from Berkeley Olive Assoc., Oroville
Comment
RSA718739
Holcus lanatus
L. Ahart
2006-7-25
13056
Butte
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.
1570
Comment
CHSC44874
Holocarpha virgata
Lowell Ahart
1979-9-25
2021
Butte
About 1/2 mile east of Oregon City, about 7 miles north of Oroville.
365
Comment
CAS-BOT-BC150113
Holodiscus microphyllus var. glabrescens
A. A. Heller
1914-8-7
11667
Butte
Summit back/east of Jonesville
2133
Comment
CHSC27987
Holodiscus microphyllus var. glabrescens
M. S. Taylor
1978-8-18
1697
Butte
On top of Humboldt Peak at Humboldt Summit.
2158
Comment
SEINET10483356
Holodiscus microphyllus var. glabrescens
Mary Susan Taylor
1978-7-18
Taylor 1697
Butte
On top of Humboldt Peak, at Humboldt Summit, on Butte-Tehama County line.
2159
Comment
CHSC113947
Hordeum brachyantherum subsp. brachyantherum
Lowell Ahart
2014-8-13
19708
Butte
20 yards east of the east edge of a large wet meadow (some bog), about 130 yards east of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
CHSC6751
Hordeum marinum subsp. gussoneanum
Marilyn Lee
1968-5-3
159
Butte
South side of Skyway, ca 6 miles E. of Chico.
Comment
CHSC4401
Hordeum vulgare
R. Jaegel
1966-5-16
Butte
N entrance to Bidwell Park, 3 mi ne of Chico.
Comment
CHSC56635
Hordeum vulgare
J. Lund
1980-4-28
Butte
0.3 mi south of Palermo on Hwy 99.
76
Comment
CDA25942
Horkelia californica subsp. dissita
L. Ahart
1998-6-3
8012
Butte
Southwest of the lone oak tree, west of the cow chute on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
Comment
SEINET10970308
Horkelia tridentata
Lowell Ahart
1985-5-15
Ahart 5001
Butte
1/8 mile east of the dirt road, about 1 1/2 miles north-east of Concow of Reservoir.
Comment
CHSC26695
Hosackia crassifolia
M. S. Taylor; M. Hayes, R. Schlising
1977-8-17
1471
Butte
On n side of Old Humboldt Rd, ca. 3 mi e of its jct with Scotts John Rd, n of Jonesville.
1828
Comment
CDA15322
Hydrocotyle umbellata
D. Joley, B. Villegas
1998-9-24
s.n.
Butte
Sierra Nevada; below Lake Oroville in Oroville Wildlife Area.
0
Comment
CAS-BOT-BC400830
Hypericum anagalloides
A. A. Heller
1914-8-6
11637
Butte
Sierra Nevada at Chico Meadows
1219
Comment
SBBG128726
Hypericum anagalloides
L. Ahart
2011-7-9
17575
Butte
seeps, SE edge of large open bare granite area, ca. 3.8 mi NE of Little Bald Rock, ca. 2 mi (air) SE of Brush Crk, ca. 15 mi (air) NE of Oroville
974
Comment
RSA4175
Hypericum formosum var. scouleri
E. B. Copeland
1930-7-18
426
Butte
Jonesville.
1550
Comment
UC1594574
Hypericum formosum var. scouleri
Lowell Ahart
1992-8-2
6899
Butte
ca. 3 (air) mi. n.e. Concow Reservoir (Concow Meadow, bottom of Concow Creek); Concow Meadow, Concow Creek
1097
Comment
CAS-BOT-BC312928
Hypochaeris glabra
Lowell Ahart
1979-5-11
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
CAS-BOT-BC133551
Iris hartwegii
Clarence R. Quick
1952-6-30
52 -97
Butte
Ridge top, Big Bar Mt., east of Pulga
Comment
UC725510
Iris hartwegii
A. A. Heller
1939-3-23
15357
Butte
Paradise
Comment
CHSC27339
Iris hartwegii subsp. hartwegii
T. B. Devine
1977-6-5
420
Butte
Growing in forest beside Humbug Road.
853
Comment
CAS-BOT-BC69979
Isoetes bolanderi
E. B. Copeland
1929-7-29
329
Butte
Above Jonesville.
1750
Comment
CHSC29767
Isoetes howellii
M. S. Taylor
1980-5-24
2738
Butte
Peter Ahart Ranch, Honcut.
50
Comment
JEPS94717
Isoetes howellii
Lowell Ahart
1998-7-1
8023
Butte
about 7 air mi n Oroville (vernal pool about 1/4 mi n of lone oak tree, about 1/2 mi n of the cow chute along Cherokke Rd.); North Table Mountain
403
Comment
RSA261555
Isoetes howellii
W. R. Powell
1970-3-26
1692
Butte
Just off of La Porte Road, 1.8 miles NE of Bangor and ca 15 miles SE of Oroville.
343
Comment
CAS-BOT-BC61876
Isoetes nuttallii
Lowell Ahart
1989-5-23
6268
Butte
in Dutch Ravine, about 1/8 mile north of Swedes Flat Road, about 1 1/2 miles east of the Oroville Bangor Highway,
426
Comment
CHSC60935
Isoetes nuttallii
Lowell Ahart
1993-5-17
6945
Butte
East side of Honcut Creek, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles south-east of Oroville.
53
Comment
JEPS127194
Isoetes nuttallii
Lowell Ahart
2016-4-15
20743
Butte
About 1/2 mile southwest of Dutch Ravine, about 8 miles (air) southeast of Oroville.
Comment
SEINET10530327
Isoetes nuttallii
Mary Susan Taylor
1980-5-31
Taylor 2773
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
CHSC78209
Isolepis setacea
Lowell Ahart
2000-6-6
8454
Butte
On the bottom of an old gold mining pit, about 200 yards northwest of where the dirt road crosses Oregon Gulch creek, about 1/4 mile north of the cemetery, about 1 1/2 mil south of Crystal Hill, about 5 miles (air) east of Oroville Dam.
304
Comment
JEPS98569
Isolepis setacea
Lowell Ahart
2000-6-6
8454
Butte
5 mi (air) E of Oroville Dam (bottom of old gold mining pit, E of where dirt road crosses Oregon Gulch creek, 1/4 mi NE of cemetary, 1 1/2 mi S of Crystal Hill)
304
Comment
UCR262435
Juglans californica var. hindsii
George K. Helmkamp, E. A. Helmkamp
2009-9-5
15575
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
CHSC30433
Juncus acuminatus
NEH Prouty
1980-4-27
154
Butte
Richvale vernal pools.
33
Comment
JEPS114885
Juncus acuminatus
Lowell Ahart
2008-5-30
14802
Butte
Dry to damp bare granite soil, along a small drainage, below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Launch Area, about 10 1/2 miles (air) northeast of Oroville
223
Comment
CHSC28658
Juncus balticus
J. D. Jokerst
1979-7-21
303
Butte
100 yds. w. of Humboldt Summit, ca. 4.5 mi. N. of Jonesville.
1996
Comment
CHSC74020
Juncus balticus subsp. ater
B. Castro
1998-6-18
793
Butte
Sunset Hill Meadow. Ca 2 air mi W of Forbestown, ca 0.2 mi S of Sunset Hill fire lookout and 300 ft S of Forbestown Rd, at headwaters of New York Creek. Moist meadow, at end of old dirt rd at E edge of old homestead site.
929
Comment
RSA755751
Juncus balticus var. balticus
L. Ahart
2009-8-23
16291
Butte
On the east side of Ten Mile House Road, Upper Bidwell Park, about 3/4 air miles west of Highway 32, about 10 miles northeast of Chico.
236
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
JEPS114975
Juncus brachyphyllus
Lowell Ahart
2008-6-13
14814
Butte
Bottom of a small mined wash, about 50 yards west of the cemetery, about 150 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville
324
Comment
CHSC116745
Juncus bufonius var. bufonius
Lowell Ahart
2016-5-24
20869
Butte
About 50 yards north of the ditch, 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.
44
Comment
CHSC27576
Juncus bufonius var. bufonius
Robert Schlising
1978-5-17
3263
Butte
Magalia; serpentine outcrop just S of Magalia Res. And crossed by S. T. RR and Coutelenc Road.
670
Comment
CHSC32368
Juncus bufonius var. bufonius
J. D. Jokerst
1980-6-14
831
Butte
Big Bald Rock, N of Lake Oroville and E of Berry Cr.
914
Comment
CHSC37378
Juncus bufonius var. bufonius
R. A. Schlising
1982-4-24
4231
Butte
Richvale Vernal Pools, 1/4 mi s of jct Hwy 162 to Oroville and Hwy 99, along latter and across from Thermalito Aftebay.
Comment
CHSC44648
Juncus bufonius var. bufonius
J. D. Jokerst
1982-4-29
1539
Butte
Grey Lodge n of and adjacent to Rutherford Rd. ca 100 m w of Pennington Rd.
Comment
CHSC47527
Juncus bufonius var. bufonius
Lowell Ahart
1979-5-11
1864
Butte
Large wash that runs through the Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC6115
Juncus bufonius var. bufonius
A. R. Jaegel
1968-4-19
152
Butte
1 mi s of Cherokee on Cherokee Rd.
Comment
CHSC78327
Juncus bufonius var. bufonius
Lowell Ahart
2000-7-11
8565
Butte
On the sides of a dirt road, about 100 yards north of Lumpkin Ridge Road, upper west branch of Know-norhing Creek, about 1 mile southwest of the intersection of Lumpkin Ridge Road, road to Fall River, and the County Road, about 4 miles (air) northeast of Feather Falls.
1219
Comment
JEPS113864
Juncus bufonius var. bufonius
Lowell Ahart
2007-6-12
14082 A
Butte
On the east side of Rockefeller Road, at the intersection of Bald Rock Road and Rockefeller Road, about 13 miles (air) northeast of Oroville
1011
Comment
JEPS120656
Juncus bufonius var. bufonius
Lowell Ahart
2013-10-26
19221
Butte
On the south side of Philbrook Creek, below the high water line (strand) of Philbrook Reservoir.
Comment
SEINET10795833
Juncus bufonius var. bufonius
Lowell Ahart
2010-5-14
Ahart 16665
Butte
T22N, R2E, northeast 1/4 Section 10. Normal size plants, on damp red thin soil, along a small drainage, near south park fence, Disc Golf Area, west of the entrance to the Disc Golf Area, about 120 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
351
Comment
UCSB45762
Juncus bufonius var. bufonius
Reisentz, Paul
1979-5-13
Butte
1 mile south on Derrick Road from Cherokee Road; 6 miles north on Derrick Road from Table Mt. Road
Comment
CHSC31838
Juncus bufonius var. congestus
L. Ahart
1978-5-1
1682
Butte
Peter Ahart Ranch, Honcut. Bottom of a small swale in a farmed field.
50
Comment
CHSC61518
Juncus bufonius var. congestus
Lowell Ahart
1993-5-15
6940
Butte
Fallow rice field, on the north side of Biggs Princeton Road, about 2 miles west of Biggs.
30
Comment
JEPS88259
Juncus bufonius var. congestus
Vernon H. Oswald and Lowell Ahart
1996-5-27
7658
Butte
U.S. Fish and Wildlife Service parcel between 7 Mile Lane and Sacramento River (sw corner of Tract 3.4, Sanctuary II); Sacramento River Wildlife Refuge, Llano Seca Unit
32
Comment
CHSC38919
Juncus capitatus
Vernon Oswald
1982-4-26
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
JEPS119699
Juncus capitatus
Lowell Ahart
2012-5-2
17976
Butte
About 100 yards southeast of the entrance to Upper Bidwell Park, about 1/4 mile east of Chico.
Comment
CHSC108323
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
CHSC41304
Juncus effusus subsp. pacificus
S. C. Morey
1983-7-22
540
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
1414
Comment
CHSC96878
Juncus effusus subsp. pacificus
Lowell Ahart
2007-7-11
14289
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
RSA795239
Juncus effusus subsp. pacificus
L. Ahart
2011-8-23
17646
Butte
In the large meadow, Pinkard Creek flows through the meadow, east of the corral, about 1 mile north of Lost Creek Reservoir Dam, about 4 air miles northeast of Clipper Mills.
1134
Comment
SEINET10938194
Juncus effusus var. pacificus
Lowell Ahart
1985-6-30
Ahart 5086
Butte
About 2 1/2 miles north-east of Forbestown. Alt. 2850 ft.
868
Comment
CHSC44911
Juncus ensifolius
Lowell Ahart
1988-7-31
6156
Butte
Along the road gutter, north of a small stream, 1 1/2 air miles west and a little south of Bald Mountain, about 3 air miles north-east of Stirling City.
1066
Comment
UC600804
Juncus ensifolius
H. F. Copeland
1932-7-19
Butte
Butte Creek Jonesville
1600
Comment
SBBG121549
Juncus ensifolius
L. Ahart
2007-7-15
14303
Butte
E side of Encina Grand Rd (Bloomer Hill Rd), ca. 50 yards N of the home, ca. 0.25 W of Bloomer Hill
808
Comment
CHSC46464
Juncus hemiendytus var. hemiendytus
V. Oswald; L. Ahart
1989-6-27
3830
Butte
Humbug Rd at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. Along a streamlet in a large meadow along Butte Creek.
1767
Comment
CHSC44445
Juncus howellii
Lowell Ahart
1988-6-29
6095
Butte
Along a small seep south of Bean Creek Road, about 1/2 mile southeast of Little Bald Rock.
975
Comment
SEINET11787184
Juncus howellii
Unknown
1983-1
4294
Butte
along stream that flows into Butte Creek, 1 mi E of Butte Meadows
1450
Comment
CHSC103508
Juncus laccatus
Peter F. Zika
2009-6-17
24514
Butte
Cascade Range Highlands. Below Concow Road 10 road miles above (N of) Route 70.
1100
Comment
UC1438370
Juncus leiospermus
Lowell Ahart
1978-4-21
1661
Butte
Peter Ahart Ranch Honcut
50
Comment
CAS-BOT-BC110105
Juncus leiospermus var. ahartii
Lowell Ahart
1978-5-1
1692
Butte
Peter Ahart Ranch, Honcut.
50
Comment
UC1438369
Juncus leiospermus var. ahartii
Lowell Ahart
1978-5-1
1692
Butte
Peter Ahart Ranch Honcut
50
Comment
SEINET11783989
Juncus leiospermus var. ahartii
Unknown
1973-1
192
Butte
Peter Ahart Ranch, Honcut
46
Comment
CAS-BOT-BC110138
Juncus leiospermus var. leiospermus
Lowell Ahart
1979-4-30
1854
Butte
7 miles north of Oroville. On the top of Table Mountain.
400
Comment
CAS-BOT-BC110141
Juncus leiospermus var. leiospermus
Lowell Ahart
1984-4-6
4543
Butte
About 0.5 mile north of Kunkle Res., about 2 miles south of Paradise.
600
Comment
CHSC111366
Juncus leiospermus var. leiospermus
Lowell Ahart
2012-5-4
17983
Butte
On the south rim of Beatson Hollow, about 1/2 mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
351
Comment
CHSC93499
Juncus leiospermus var. leiospermus
Lowell Ahart
2006-5-8
12589
Butte
Margins of a vernal pool where there is basalt shelfing, about 80 yards south of the three Gray Pines on the rim of Coal Canyon, about 1 3/4 miles northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
346
Comment
JEPS110151
Juncus leiospermus var. leiospermus
Lowell Ahart
2006-5-8
12604
Butte
Margins of a vernal pool where there is basalt shelfing, about 1 1/2 miles west of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville
339
Comment
RSA337381
Juncus leiospermus var. leiospermus
L. Ahart
1984-5-7
4589
Butte
0.5 miles N of Kunkle Reservoir, along Kunkle Creek, 2 miles S of Paradise, E side of Pentz-Magalia Hwy
600
Comment
CHSC46272
Juncus mexicanus
Vernon Oswald
1989-5-1
3756
Butte
Butte Sink Wildife Area (w portion of Schohr Ranch), sw corner of the intersection of the main ranch road and Little Dry Creek.
19
Comment
UC600801
Juncus nevadensis
H. F. Copeland
1932-8-17
Butte
Jonesville
2000
Comment
UC600811
Juncus orthophyllus
H. F. Copeland
1930-7-28
1371
Butte
near Butte Creek House (Government Trail, neighborhood of Jonesville); Jonesville
1828
Comment
JEPS113879
Juncus oxymeris
Lowell Ahart
2007-7-7
14264
Butte
On the east side of North Honcut Creek, Peter Ahart Ranch, about 3/4 miles north and 2 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville
45
Comment
CHSC28402
Juncus patens
J. D. Jokerst
1979-10-12
377
Butte
1.0 mi. N.E. of end of Upper Park Rd., 50 met. E. of Big Chico Cr.
213
Comment
JEPS113856
Juncus tenuis
Lowell Ahart
2007-7-7
14262
Butte
On the west side of North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville
53
Comment
CHSC30434
Juncus triformis
L. Ahart
1979-7-20
2474
Butte
Along Bean Creek Road, near the south side of Little Bald Rock, ca. 15 mi NE of Oroville.
1100
Comment
CAS-BOT-BC312666
Juncus uncialis
Lowell Ahart
1982-5-9
3428
Butte
Peter Ahart Ranch. Honcut
Comment
CHSC97207
Juncus usitatus
Lowell Ahart
2007-7-31
14400
Butte
On the south strand of Thermalito Afterbay, about 150 yards north of Highway 162, about 5 1/4 miles west of the intersection of Highway 162 and Highway 70, about 5 3/4 miles (air) west of Oroville.
34
Comment
JEPS121895
Juncus usitatus
Lowell Ahart
2014-11-24
19921
Butte
Below the high water line of Lake Oroville, about 200 yards west of the second parking area, old Bidwell Bar Road, about one mile south of Oroville Quincy Highway, about 8 miles (air) northeast of Oroville.
Comment
LA208506
Kelloggia galioides
E. B. Copeland;
1930-8-10
Butte
Jonesville
1550.0
Comment
CDA35627
Kickxia elatine
J. R. Keck Jr., L. Adams
1978-10-26
PDR# 330073
Butte
Chico; Rancho Llano Seco.
0
Comment
CHSC30528
Koeleria phleoides
N. E. H. Prouty
1980-4-28
156
Butte
Near junction of Pentz Rd. with Pentz-Magalia Hwy.
207
Comment
CHSC33693
Kumlienia hystricula
L. Ahart
1981-4-29
2717
Butte
Along edges of a small stream near Ponderosa Dam, near Forbestown.
500
Comment
CHSC113600
Lactuca saligna
Lowell Ahart
2014-8-24
19731
Butte
On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown.
611
Comment
JEPS115364
Lactuca serriola
Lowell Ahart
2009-7-9
16024
Butte
On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
203
Comment
POM181475
Lactuca serriola
H. F. Copeland
1923-1
864
Butte
Nelson.
Comment
CAS-BOT-BC341317
Lagophylla glandulosa
David D. Keck
1933-5-31
2409
Butte
Bridge crossing Mud Creek, 2.9 miles west of Richardson Springs
Comment
CHSC42274
Lamium amplexicaule
L. P. Janeway
1987-4-14
2004
Butte
Oroville, Thermalito Forebay North Picnic Area.
70
Comment
JEPS113138
Lamium amplexicaule
Lowell Ahart
2007-3-12
13592
Butte
At the information sign, north side of Rutherford Road, 50 yards west of Pennington Road, Gray Lodge Wildlife Area (Gray Lodge Waterfowl Management Area), about 6 miles (air) southwest of Gridley
21
Comment
JEPS108736
Lasthenia californica
Lowell Ahart
2006-5-3
12557
Butte
Base of a basalt outcrop, about 1/2 mile north of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville
409
Comment Read comments Jan 19 2011
POM55149
Lasthenia californica
A. A. Heller, H. E. Brown
1902-5-5
5450
Butte
Near Chico
Comment
UC195381
Lasthenia ferrisiae
A. A. Heller
1914-5-13
11394
Butte
between Durham and Nelson (in low field by creek); Butte Creek
53
Comment
CHSC101984
Lasthenia fremontii
Linda Osborne
1980-4-10
3
Butte
Chico. Ca. 100 m SE of Notre Dame Blvd., 200 m NE of Skyway.
Comment
CHSC45688
Lasthenia glaberrima
Vernon Oswald
1986-4-28
1985
Butte
Hamilton-Nord-Cana Hwy 0.5 mi n of Bennett Rd.
48
Comment
JEPS107751
Lasthenia glaberrima
Lowell Ahart
2005-5-14
11810
Butte
In a rice field, Peter Ahart Ranch, about 2 miles north and 1/4 mile east of Honcut, about 12 miles (air) southeast of Oroville
25
Comment
RSA715918
Lasthenia gracilis
L. P. Janeway
2005-3-10
8352
Butte
Cascade Range Foothills [error: actually Sierra Nevada foothills] E edge of city of Chico, N side of Humboldt Road 1.8 km NE of Bruce Road.
134
Comment
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
JEPS103477
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
CHSC45281
Lathyrus hirsutus
Vernon Oswald
1988-5-5
3297
Butte
Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. Along the highway near Dry Creek.
53
Comment
JEPS107297
Lathyrus jepsonii var. californicus
Lowell Ahart
2005-4-14
11699
Butte
On the west bank of a deep ditch, east of the railroad tracks, north of Spruce Street, Gridley
28
Comment
UC204733
Lathyrus jepsonii var. californicus
A. A. Heller
1914-5-1
11345
Butte
w of Chico (bank of Sacramento River); Sacramento River
Comment
CHSC104801
Lathyrus latifolius
Lowell Ahart
2010-6-12
16791
Butte
On the north side of Ten Mile House Road, about 1/2 mile (air) from Highway 32, about 9 miles (air) northeast of Chico.
332
Comment
UC1562445
Lathyrus latifolius
Lowell Ahart
1990-6-1
6506
Butte
about 2 air mi se Jarbo Gap (near the Poe Power House, on the e side of the Feather River)
274
Comment
CHSC24778
Lathyrus nevadensis
D. E. Hale
1976-4-4
1
Butte
Ca. .75 km from n side of Vilas Rd, ca. 1.6 km ene from Cohasset Hwy-Vilas Rd intersection, 24 km ne of Chico,
835
Comment
CHSC860
Lathyrus nevadensis
L. Nelson
1935-4-27
Butte
Deer Creek Canyon.
914
Comment
CHSC44203
Lathyrus sphaericus
Vernon Oswald
1988-5-27
3343
Butte
5782 Kibler Rd, Paradise.
585
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
CHSC861
Lathyrus tingitanus
V. Holt
1947-5-1
Butte
Nimshew grade.
609
Comment
CDA42954
Lavatera cretica
L. Ahart
2013-5-21
18702
Butte
On the west side of Highway 99E, 30 yards north of W. Rio Bonito Road, about 1 mile northeast of Biggs.
Comment
JEPS120931
Lavatera cretica
Lowell Ahart
2013-5-21
18702
Butte
On the W side of Hwy 99E, 30 yards N of the W Rio Bonita Road, about 1 mile NE of Biggs.
Comment
UC304001
Layia fremontii
H. E. Brown
1897-4-15
184
Butte
Clear Creek
53
Comment
SD8729
Layia fremontii
Mrs. R. M. Austin
1883-1
Butte
Comment
CHSC110402
Leersia oryzoides
Lowell Ahart
2012-9-28
18459
Butte
Just east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
62
Comment
SBBG28947
Lemna trisulca
E. B. Copeland
1930-7-18
Butte
Jonesville
1550
Comment
JEPS117216
Leontodon saxatilis subsp. longirostris
Lowell Ahart
2010-5-16
16700
Butte
East of basalt cliffs, about 1/2 mile south of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville
364
Comment
JEPS119756
Leontodon saxatilis subsp. longirostris
Lowell Ahart
2012-5-14
18054
Butte
North edge of the path to Table 12, south of Big Chico Creek, north of the paved road, Lower Bidwell Park, Chico.
Comment
CHSC35633
Lepidium dictyotum
R. E. Preston
1982-4-4
216
Butte
Dirt road on dike, Gray Lodge State Wildlife Area, ca. 0.3 mi w of Headquarters.
20
Comment
UC203607
Lepidium nitidum
A. A. Heller
1914-4-11
11274
Butte
8 mi n Oroville
Comment
CAS-BOT-BC89880
Lepidium nitidum
A. A. Heller
1919-3-29
13096
Butte
Cherokee mine.
Comment
SEINET10907264
Lepidium nitidum
Mary Susan Taylor
1973-1
Taylor 42
Butte
Upper Bidwell Park, Chico. Associates: Stipa pulchra, Lasthenia chrysostoma, Layia fremontii.
61
Comment
SEINET11985465
Lepidium nitidum
D. A. Durham
1978-1
2
Butte
along Hwy 32, 2 mi E of junction 99 at Chico
84
Comment
CHSC101676
Lepidium nitidum var. nitidum
Lowell Ahart
2009-4-26
158608 -A
Butte
Upper Bidwell Park, on the west side of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
461
Comment
UCD115866
Lepidium pinnatifidum
M. S. Taylor; L. Ahart
1982-10-11
5154
Butte
Graylodge Wildlife Refuge, ca. 1/4 mi s of Rutherford Rd, on rd to parking lot 5, ca. 1/4 mi se of HQ, 12 mi sw of Gridley.
19
Comment
CHSC35634
Lepidium strictum
R. E. Preston
1982-4-4
217
Butte
Dirt road on dike, Gray Lodge State Wildlife Area, ca. 0.3 mi w of Headquarters.
20
Comment
RSA768993
Lepidium strictum
L. Ahart
2010-4-5
16573
Butte
Vacant lot, about 50 feet west of Virginia Street, about 20 feet south of Spruce Street in Gridley.
29
Comment
CAS-BOT-BC273953
Leptochloa fusca subsp. fascicularis
A. A. Heller
1919-8-13
13354
Butte
Between Nelson and Richvale
Comment
CHSC84008
Leptochloa fusca subsp. fascicularis
Lowell Ahart
2003-6-22
10298
Butte
On the south side of Richvale Highway, about 50 yards east of railroad, Richvale.
32
Comment
CHSC92505
Leptochloa fusca subsp. uninervia
Lowell Ahart
2005-12-11
12517
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
CHSC116163
Leptosiphon ciliatus
Lowell Ahart
2015-6-16
20236
Butte
On the west side of the paved road, about 4 miles (by road) northwest of Fall River Bridge, about 5 1/2 miles (air) northwest of Camp 18, about 9 miles (air) northeast of Feather Falls.
1406
Comment
CHSC28754
Leptosiphon filipes
J. D. Jokerst
1978-5-21
129
Butte
200 yds. W. of Hwy. 32, 7.7 mi. E. of Chico, top of ridge.
365
Comment
CHSC94279
Leptosiphon harknessii
Lowell Ahart
2006-7-16
13008
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
CHSC29819
Leptosiphon parviflorus
M. S. Taylor
1980-4-16
2490
Butte
Lake Oroville State Recreation Area, ca. 1/2 mi se of Parish Camp just south of Lime Saddle Memorial Park, ca. 5 mi s of Paradise.
304
Comment
CHSC96553
Leptosiphon parviflorus
L. P. Janeway
2006-4-30
8562
Butte
Cascade Range Foothills. East edge of city of Chico; northwest side of Humboldt Road 2.4 km northeast of Bruce Road.
149
Comment
CHSC31181
Lessingia nana
M. S. Taylor; R. Schlising
1980-7-5
3059
Butte
On w side of Hwy 32, ca. 0.1 mi s of Loma, up on edge of forest.
1127
Comment
CHSC31081
Lessingia nemaclada
R. Banchero; D. Ikeda, J. Nelson
1979-9-29
43
Butte
Bear Ranch Crk, 1.2 mi sw of crossing of Hwy 70 with Butte County line.
609
Comment
CHSC63698
Lessingia nemaclada
Lowell Ahart
1994-10-8
7550
Butte
Along North Rim Trail, near the double power lines, Bidwell Park, about 1 mile east of Chico.
152
Comment
SJSU5693
Lessingia virgata
J. T. Howell
1959-9-19
34612
Butte
5 mi W of Oroville
45
Comment
CHSC36966
Leucanthemum maximum
M. S. Taylor
1982-8-16
4998
Butte
S end of Stirling City along both sides of the Skyway.
1036
Comment
JEPS94189
Lilaea scilloides
Lowell Ahart
1998-4-29
7954
Butte
ca. 7 mi. n. Oroville (n.e. of large parking area on North Table Mt., on e. side of Cherokee Rd.); North Table Mt.
426
Comment
CAS-BOT-BC130564
Lilium humboldtii
Mrs. C. C. Bruce
1897-6-1
1856
Butte
unspecified
Comment
CHSC113471
Lilium pardalinum subsp. shastense
Lowell Ahart
2014-7-13
19662
Butte
South edge of a large wet meadow (some bog), about 100 yards southeast of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
CAS-BOT-BC133052
Lilium washingtonianum subsp. washingtonianum
Albert M. Vollmer; Ira L. Wiggins
1940-7-6
10
Butte
About 1/2 mile west of Chaparral
1554
Comment
CDA13268
Lilium washingtonianum var. washingtonianum
G. F. Hrusa, T. D. Wilfred
1996-7-9
13116
Butte
Plumas National Forest; Slopes above Jordan Creek at old Picnic Area above falls before confluence with Marble Creek.
Comment
CHSC37688
Limnanthes alba
M. S. Taylor
1981-5-7
3643
Butte
Along spur rd, ca. 1/5 mi se of its jct with 20N24.6 (Fields Ridge Rd), ca. 3 air mi s of Feather Falls.
975
Comment
RSA21487
Limnanthes alba
Carl B. Wolf
1937-5-14
2814
Butte
Sacramento Valley, 3-1/2 mi. E. or Richvale.
30
Comment
CHSC59327
Limnanthes alba subsp. versicolor
Darby Kremer
1992-4-18
21
Butte
Ponderosa Canyon Rd. 7 km. w of Skyway Hwy. 6 km. n of Magalia.
265
Comment
UCD116504
Limnanthes douglasii
Harriet Sindal
1970-4-25
2
Butte
on Cherokee Road, 4.7 miles north from its intersection with Nelson Avenue and Clark Road, west from gate, North Table Mountain.
335
Comment
CHSC3534
Limnanthes douglasii subsp. nivea
John Francis
1966-3-28
85
Butte
Table Mt., beside creek.
Comment
CHSC1011
Limnanthes douglasii subsp. rosea
P. Delaplane
1965-3-23
42
Butte
H. Wurlitzer Ranch; ca. 13 mi NW of Chico. W. of Hwy 99E N.
60
Comment
RSA31668
Limnanthes douglasii subsp. rosea
A. A. Heller
1916-3-8
s.n.
Butte
8 miles north of Oroville.
Comment
UC1397268
Limnanthes floccosa subsp. californica
R. Ornduff
1968-4-27
6885
Butte
1 mi w Oroville (on Hwy 70)
Comment
CHSC55505
Limnanthes floccosa subsp. floccosa
Pat Kelly
1991-3-31
Butte
Arroyo Chico.' Along the southern branch of Sycamore Creek, from a few hundred feet east of the mouth of the Diversion Channel eastward to the power lines (ca 0.8 mi long).
82
Comment
CDA6280
Limnophila X ludoviciana
L. Ahart
2005-8-28
12336
Butte
On the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Road.
Comment
CHSC50412
Limonium sinuatum
Vernon Oswald; Mary Bailey
1990-6-27
4336
Butte
Hwy 99, 0.3 mi southeast of the Skyway-Park Ave interchange in south Chico.
64
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
UC1586577
Linanthus bolanderi
Vernon H. Oswald and Lowell Ahart
1991-6-5
4644
Butte
ca 1.5 mi (air) nw Platt Mtn. Lookout (dirt road to Minnie-Ha-Ha Mine, located on Big Chico Creek, on the w side of Hwy 32, between Forest Ranch and Lomo); Big Chico Creek
701
Comment
UC1181372
Linanthus ciliatus
Lewis S. Rose
1945-5-12
45029
Butte
Richardson Springs
304
Comment
SEINET12329568
Linanthus ciliatus
L. Ahart, Ahart, P.
1984-1
4645
Butte
about 1 mi NE of the West Branch Bridge, ca 2 mi S of Old Yankee Hill, ca 16 mi NE of Oroville
450
Comment
UC133974
Linanthus dichotomus
E. B. Copeland
1903-4-11
3030
Butte
Chico
Comment
SEINET7072745
Linanthus filipes
A. G. Vestal
1963-5-9
s.n.
Butte
About 3.5 miles north of Oroville. Coordinate datum WGS 84/NAD83. (UTM Zone 10, 623209mE, 4374845mN. Coordinate datum: NAD 27.)
Comment
RSA0096837
Linanthus filipes
H. F. Copeland
1929-5-4
1124
Butte
Canyon of Chico Creek.
Comment
CHSC28951
Lindernia dubia var. anagallidea
M. S. Taylor
1978-7-21
1845
Butte
Ca. 20 ft e of the Midway, ca. 7 mi s of Durham, in ricefield.
30
Comment
CHSC97926
Lindernia dubia var. anagallidea
G. D. Barbe; June McCaskill
1990-9-5
4393
Butte
Weedy at edge of flooded rice checks, experimental fields of the Rice Experiment Station, West Hamilton Road at Riceton Highway, north of Biggs.
Comment
CHSC31954
Lipocarpha aristulata
J. D. Jokerst; R. A. Schlising
1980-7-2
926
Butte
Adjacent to Garland Rd. 1.3 mi SE of Hwy 32 (ca. 4 airline miles NNE of Forest Ranch).
Comment
CHSC112327
Lipocarpha micrantha
Lowell Ahart
2013-7-9
18831
Butte
South side of North Honcut Creek, west of the steel power line, about 2 mile (air) northeast of Honcut, about 13 miles (air) southeast of Oroville.
37
Comment
SACT002882
Lithocarpus densiflorus
Herbert Copeland
1937-7-30
Butte
In the foothills of Butte County.
Comment
SEINET10477017
Lithocarpus densiflorus
Lowell Ahart, Peter Ahart
1983-7-24
Ahart 4203
Butte
T19N R7E sec 6. Ca. 2 mi sw of the Forbestown Reservoir, ca. 3 mi ne of Forbestown. Yellow Pine Forest; 550 m.
550
Comment
SFV856
Lithocarpus densiflorus var. echinoides
F. C. Raney
1964-9-10
s. n.
Butte
Sierra Nevada 10 miles northeast of Feather Falls.
Comment
CHSC2819
Lithophragma bolanderi
David Prall
1965-3-14
9
Butte
At edge of cliff ca. 30 yds. south of Neal Rd. 1mile East of HW 99E.
106
Comment
CAS-BOT-BC430881
Lithophragma bolanderi
Lowell Ahart
1981-4-9
2753
Butte
North Honcut Creek, Peter Ahart Ranch, Honcut
50
Comment
POM219578
Lithophragma bolanderi
H. F. Copeland
1923-3-16
47
Butte
[Unspecified]
Comment
CHSC97401
Lithophragma glabrum
Robert Fischer
2006-6-11
1007
Butte
Butte Meadows. North-east corner of Butte County along Scotts John Road 1.5 miles north of county road 26N27 and 5.5 miles north of the Humboldt Road junction. UTM: 10634233E, 4441779N.
1752
Comment
HSC32656
Lithophragma heterophyllum
David Johnson
1974-4-20
54
Butte
Table Mtn.
Comment
CHSC6294
Lithophragma parviflorum
L. Lyons
1967-4-27
Butte
On south side of Rcihardson's Spring Rd. 1.8 mi e of entrance on n Cohasset Rd. 3.5 mi from Chico.
76
Comment
SEINET12216581
Lithophragma parviflorum
P. D. Nelson
1979-1
s.n.
Butte
Table Mountain, ca 200 ft W of Cherokee-Mountain Rd, ca 6 mi N of Oroville
381
Comment
CHSC65435
Lithophragma parviflorum var. trifoliatum
Vernon Oswald
1988-3-22
3261
Butte
Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek.
60
Comment
UC1206542
Lithophragma tenellum
E. B. Copeland
1931-6-19
Butte
Jonesville at The Summit; Jonesville at The Summit
Comment
UC1713771
Lithophragma tenellum
H. F. Copeland
1920-7-8
47
Butte
<divide btw Butte, Plumas & Tehama Cos..acc to Roy Taylor from info from Duplicate coll. in Dudley Herbarium>
1828
Comment
UCR64605
Lithospermum californicum
H. F. Copeland
1931-6-11
1531
Butte
Jonesville
1677
Comment
CHSC108589
Lobularia maritima
L. P. Janeway
2011-10-20
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.
66
Comment
CHSC80515
Lobularia maritima
Lowell Ahart
2001-4-15
8722
Butte
On the north side of the dirt road east of the large pump, on the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) southwest of Gridley.
22
Comment
CHSC102424
Logfia gallica
Lowell Ahart
2009-5-30
15809
Butte
On dry rocky soil, on the west side of Guardian's Trail, about 100 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 3/8 mile (air) west of the intersection of Highway 32 and Ten Mile House Road.
440
Comment
CHSC108787
Logfia gallica
L. P. Janeway
2011-4-26
10239
Butte
Sacramento Valley. Oroville; in gravel parking area at east side of Feather River Ranger District office (875 Mitchell Ave.).
59
Comment
CAS-BOT-BC342388
Logfia gallica
A. A. Heller
1915-5-17
11880
Butte
Along Chico Creek 5 miles east of Chico
Comment
CHSC90624
Lomatium dasycarpum subsp. tomentosum
Steven H. Roth
1980-4-25
17
Butte
50 m north of Big Chico Creek at Diversion Dam in Upper Bidwell Park, Chico.
Comment
CHSC109005
Lomatium macrocarpum
Lowell Ahart
2012-4-20
17897
Butte
Cliffs, below the rim, on the west side of South Rim Trail, animal trail north of Bloody Pin Trail, about 5/8 mile west of Highway 32, about 7 3/8 miles northeast of Chico, south part of Upper Bidwell Park.
256
Comment
CHSC39664
Lomatium marginatum
Lowell Ahart
1983-6-21
4098
Butte
Along Bloomer Hill Road, about 3 miles north-west of the Oroville Quincy Highway, about 16 miles north-east of Oroville. Section 30.
700
Comment
RSA724932
Lomatium marginatum
L. P. Janeway
2006-5-14
8596
Butte
Northern High Sierra Nevada: just west of Jordan Hill Road, 0.9 km east of Sawmill Peak lookout
953
Comment
SEINET10840943
Lomatium tomentosum
Mary Susan Taylor
1980-3-30
Taylor 2412
Butte
Upper Bidwell Park, Chico.
244
Comment
CHSC13852
Lomatium utriculatum
J. A. Guichard
1973-4-4
14
Butte
Area above Chico Creek between Salmon Hole and Devils Kitchen.
182
Comment
CHSC90586
Lomatium utriculatum
Jack Judkins
1983-4-16
14
Butte
6 mi east-southeast of Chico, 200 yds south of Butte Creek, 200 yds southeast of Covered Bridge.
274
Comment
CAS-BOT-BC240452
Lonicera hispidula
John Thomas Howell; T. C. Fuller; G. D. Barbe
1981-6-26
54412
Butte
Madrone Lake near Berry Creek
600
Comment
UC1125259
Lonicera interrupta
C. G. Albertus
1933-6-6
18
Butte
1 mi nw Nelson's Bar; Chico Quadrangle
Comment
CHSC200
Lonicera involucrata var. involucrata
E. Walker
1932-4-19
Butte
Concow reservoir.
Comment
UC1609033
Lonicera involucrata var. involucrata
Lowell Ahart
1993-7-22
7086
Butte
6 (air) mi ne Feather Falls (about 200 yards w of the bridge, w side of river); Fall River
1036
Comment
SEINET12161684
Lotus humistratus
J. D. Mott
1978-1
7
Butte
Cherokee Quadrangle, Upper Miocene Canal
448
Comment
SEINET10841208
Lotus humistratus
Mary Susan Taylor
1981-5-15
Taylor 3734
Butte
T22N R5E sw/nw sec 18, Pulga SW quad. N side of Feather River Hwy 70, at Plumas National Forest boundary, ca. 2 mi NE of Jarbo Gap. 2000 ft.
610
Comment
POM16592
Lotus oblongifolius var. nevadensis
Kate Conger
1907-1
s.n.
Butte
Brush Creek.
Comment
SEINET10452000
Lotus oblongifolius var. nevadensis
Mary Susan Taylor
1978-6-24
Taylor 1640
Butte
Ernies Island, in Butte Creek, junction with Old Humboldt Road, ca. 0.5 mi W of Butte Meadows; Yellow Pine Forest.
1372
Comment
CHSC11366
Ludwigia palustris
Lowell Ahart
1969-9-24
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC97334
Ludwigia palustris
L. P. Janeway
2007-8-6
9149
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. Common matted plant on the floor of the pond where water level has dropped, especially closer to the edge of the pond.
776
Comment
CHSC66896
Ludwigia peploides subsp. montevidensis
Vernon H. Oswald
1996-10-22
8300
Butte
Northern Sacramento Valley. Oroville Wildlife Area on the NW side of the Feather River just upstream from the outlet of Thermalito Afterbay. Along the edge of the Feather River.
33
Comment
JEPS95993
Ludwigia peploides subsp. peploides
Lowell Ahart
1999-9-21
8280
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
SEINET10448485
Lunaria annua
Mary Susan Taylor
1983-3-13
Taylor 5243
Butte
T23N R5E se sec 31. Pulga quad. Community of Pulga, off n side of Hwy 70, ca. 20 mi ne of Oroville. l600 ft.
488
Comment
SJSU10703
Lupinus albicaulis
G. L. Baker
1968-5-4
66
Butte
above Paradise Reservoir near Paradise
518
Comment
RSA31851
Lupinus albicaulis subsp. purpurascens
A. A. Heller
1941-5-22
16138
Butte
About a half mile west of Jarboe Pass on state Highway #24.
Comment
SEINET10544023
Lupinus albicaulis subsp. shastensis
James D. Jokerst
1981-5-6
Jokerst 1305
Butte
Herbaceous perennial from a amny-branched multicipital caudex. Open area in Yellow pine forest with lithospermum sp and arctostaphylos viscida. Se of and Adjacent to detlow road ca 0.3 mie se of its western most junction with hwy 70, T22n,r4e,sec.34 ne 1/4
671
Comment
CHSC55494
Lupinus albicaulis var. albicaulis
L. P. Janeway
1991-6-8
3996
Butte
Side ravine on south side of Montgomery Bar Ravine, ca 0.3 mi from Lake Oroville highwater mark.
377
Comment
CAS-BOT-BC198378
Lupinus albifrons
Charles Piper Smith
1949-4-16
49104
Butte
Bangor, 2.6 miles east, Yuba-Butte Bridge, Loma Rica Road
Comment
UCD105915
Lupinus albifrons
A. A. Heller
1915-3-25
11782
Butte
southwest of the Marysville Buttes.
Comment
SEINET10488403
Lupinus albifrons
T. R. Norton
1977-4-17
Norton 6
Butte
Shrub, ca 3 ft high. Small population, ca 7.5 miles e of chico, 3.5 miles sw of Paradise along s side of honey run road. Rocky soil on road bank within Chaparral
244
Comment
SEINET10484603
Lupinus apertus
Mary Susan Taylor
1981-5-21
Taylor 3781
Butte
T23n,r5e,sec.18 nw 1/4. Pulga sw quad. Corolla pink. E side of road 23no2, ca 2 Miles e of rag dump, ca 6 air mile ne of magalia. Yellow pine forest, granitic Soil. Assoc.; Arctostaphylos truei, claytonia rubra
1189
Comment
CHSC48525
Lupinus bicolor var. pipersmithii
Vernon Oswald
1985-3-17
1686
Butte
Peter Ahart Ranch ca. 2 mi ne of Honcut.
32
Comment
CHSC48527
Lupinus bicolor var. tridentatus
Vernon Oswald
1987-4-28
2349
Butte
Rim Rd. (Ponderosa Way) 3.6 mi n of Hwy 70 at Jarbo Gap.
853
Comment
CHSC93459
Lupinus bicolor var. tridentatus
Lowell Ahart
2006-5-8
12595
Butte
About 300 yards south of the three Gray Pines on the rim of Coal Canyon, about 2 miles northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
337
Comment
HSC58937
Lupinus densiflorus var. lacteus
G. L. Clifton
1975-5-29
4195
Butte
Near Pulga, close to Belden
488
Comment
SEINET11071881
Lupinus densiflorus var. palustris
J. A. Sheldahl
1968-4-20
30
Butte
Table Mountain, Oroville
335
Comment
SEINET10490331
Lupinus grayi
Taylor
1978-7-19
Taylor 1783
Butte
On e side of upper scotts john road, about 2 mi n of its junction with scotts John road, about 6 mi ne of jonesville.
1890
Comment
SEINET10452694
Lupinus latifolius subsp. longipes
Mary Susan Taylor
1982-6-24
Taylor 4738
Butte
T23N R5E center sec 30. Pulga SW quad. E side of Flea Mt ridge, ca. 1 mi se of Flea Mt, 1.7 mi se of Ponderosa Way, 8.9 mi n of Jarbo Gap on Hwy 70.
Comment
CHSC93976
Lupinus latifolius var. columbianus
R. D. Fischer
2004-6-20
776
Butte
Sierra Nevada Mountains, north-east corner of Butte County and ca. 4 miles north of Butte Meadows off Scout Road. Boy Scout Camp. On slope above creek.
1371
Comment
CDA27451
Lupinus latifolius var. columbianus
T. C. Fuller
1962-7-12
9173
Butte
2 miles east of Butte Meadows.
0
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
CHSC84647
Lupinus microcarpus var. microcarpus
Matt Quinn
2001-4-26
53
Butte
Approximately 1500 feet east of Clark Road and 1/2 mile south of Fallager Creek.
85
Comment
CHSC36142
Lupinus nanus
Don K. Aust
1981-4-15
19
Butte
Ca. 1 mi n of Chico, e side of Cohasset Hwy.
60
Comment
UCD108927
Lupinus nanus
Rimo Bacigalupi; Robbins, Chisaki
1956-4-19
5609
Butte
along rd. to Oroville from Cherokee, at top of descent into North Fork of Feather River Canyon, 3.5 miles n. of Cherokee.
396
Comment
RSA638251
Lupinus nanus subsp. nanus
Michael A. Vincent, Ethan H. Freid, Karl Vincent
1998-4-6
8117
Butte
Table Mountain.
Comment
CHSC38510
Lupinus nanus var. latifolius
Vernon Oswald
1983-4-9
308
Butte
Upper Bidwell Park, Chico, on the north rim at the head of the ravine n of the rifle range.
188
Comment
CHSC942
Lupinus nanus var. vallicola
M. Roberson
1956-5-2
Butte
S.W. of Paradise, along Skyway.
426
Comment
UC75250
Lupinus pachylobus
Copeland
1903-4-10
3043
Butte
Chico
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
SEINET10937164
Lupinus polyphyllus subsp. superbus
Mary Susan Taylor
1977-7-15
Taylor 1418
Butte
Humbug Rd, between Honey Run Covered Bridge and Paradise.
579
Comment
UC726320
Lupinus stiversii
A. A. Heller
1923-4-15
13740
Butte
near De Sabla; near De Sabla
Comment
SEINET12164064
Lupinus subvexus
P. J. Minton
1980-1
2
Butte
c 13miN of Chico, ca 1miW of Hwy 99 and 3 ft S of Halle Rd
61
Comment
SEINET10940052
Lupinus vallicola
Lowell Ahart
1983-5-13
Ahart 3990
Butte
Banks of North Honcut Creek, Peter Ahart Ranch, ca. 3 mi ne of Honcut. Foothill Woodland; 50 m.
50
Comment
CHSC105670
Luzula cascadensis
Lowell Ahart
2010-9-21
17203
Butte
About 50 yards east of the poor dirt road, about 100 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir.
1917
Comment
CHSC71658
Luzula cascadensis
Vernon H. Oswald; Lowell Ahart
1998-8-11
9468
Butte
USFS 28N35 at a branch of Wildcat Creek ca. 1 mi north of Four Trees-Coyote Gap Rd.
1396
Comment
RSA126020
Luzula comosa
E. K. Balls
1957-5-22
22507
Butte
Feather River Hwy. U.S. 40 alt., 18 mi. ne. from Oroville.
701
Comment
SBBG128007
Luzula comosa
L. Ahart
2010-9-21
17203
Butte
ca. 50 yards E of the poor dirt rd, ca. 100 yards W of Big Kimshew Crk, ca. 1.5 mi NE of Jones Meadow, ca. 2.5 mi SE of Philbrook Reservoir
1917
Comment
CHSC113425
Luzula comosa var. laxa
Lowell Ahart
2014-7-7
19573
Butte
South of the intersection of Humbug Road and Philbrook Road, about 2 miles (air) northwest of Philbrook Reservoir.
1597
Comment
CHSC94348
Luzula comosa var. laxa
Lowell Ahart
2006-7-16
12970
Butte
In the west edge of a large meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1569
Comment
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
CAS-BOT-BC441212
Luzula macrantha
Javier Penalosa
1962-6-18
2480
Butte
Near confluence of French and Peavine Creeks
640
Comment
CHSC112442
Luzula subsessilis
Lowell Ahart
2013-5-18
18698
Butte
About 100 yards east of the intersection of Forbestown Road and the Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown.
763
Comment
CHSC38295
Lychnis coronaria
Vernon Oswald
1983-5-31
585
Butte
Upper Bidwell Park, Chico, on the n bank of Chico Creek ca. 300 ft w of Day Camp.
91
Comment
JEPS88581
Lycopus americanus
Vernon H. Oswald and Lowell Ahart
1996-7-22
8079
Butte
edge of farm rd. crossing branch of Angel Slough w. Refuge H.Q.'s (s.e. corner of Tract 1-Sanctuary 1, U.S. Fish & Wildlife Service parcel betw 7 Mile Lane & Sacramento R.); Sacramento R. Nat'l Wildlife Refuge, Llano Seco Unit
32
Comment
JEPS104343
Lythrum portula
Lowell Ahart
2003-6-23
10301
Butte
In a rice field, Peter Ahart Ranch, ca 300 yd e of Palermo Honcut Highway, ca 2 1/8 mi n of Honcut, ca 12 mi south of Oroville.
30
Comment
CAS-BOT-BC342641
Madia citrigracilis
Bruce G. Baldwin; Vern Oswald
1988-6-16
716
Butte
Near Pulga, along Camp Creek Road
512
Comment
JEPS115874
Madia elegans
Lowell Ahart
2009-7-9
16015
Butte
On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road,Upper Bidwell Park, about 1/4 mile west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico
203
Comment
CAS-BOT-BC342726
Madia elegans
H. M. Hall
1914-7-18
9758
Butte
Chico Creek, 5 mi. E. of Chico
Comment
SEINET10872111
Madia elegans
Mary Susan Taylor
1976-5-5
Taylor 1108
Butte
Abundant on N or S side of Hwy 70, ca. 2 mi N of Jarbo Gap, ca. 17 mi NE of Oroville, near Pulga; with Acer macrophyllum, Tel lima grandiflora, Cornus nuttallii.
Comment
SFV10347
Madia elegans
M. L. Vincent
1963-6-6
370
Butte
Nelson Bar Road at PGE.
300
Comment
RSA0060842
Madia elegans subsp. densifolia
Lowell A. Ahart
2012-10-28
18535
Butte
On the north side of the paved park road, west of Table 27, north of Cedar Grove, Lower Bidwell Park, Chico.
69
Comment
CHSC116221
Madia exigua
Lowell Ahart
2015-6-16
20231
Butte
On the west side of the paved road, about 3 1/2 miles (by road) northwest of Fall River Bridge, about 5 miles (air) northwest of Camp 18, about 8 1/2 miles (air) northeast of Feather Falls.
1301
Comment
CHSC30038
Madia exigua
L. Ahart
1980-5-17
2307
Butte
A little east of the Oak Grove Cemetary, ca. 1/2 mi se of Hurleton.
600
Comment
CHSC32361
Madia exigua
J. D. Jokerst; M. S. Taylor, R. A. Schlising
1980-6-14
835
Butte
Little Bald Rock, N slopes.
914
Comment
CHSC62715
Madia exigua
L. P. Janeway
1993-6-9
4377
Butte
Plumas National Forest. Southeast of Swayne Hill, along Road 22N24 1.8 mi south of the 'low water crossing' of French Creek. Slope above French Creek. Edge of dirt road.
621
Comment
JEPS117380
Madia glomerata
Lowell Ahart
2010-9-21
17223
Butte
Open area along poor dirt road, about 1 mile (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir
1899
Comment
CAS-BOT-BC342957
Madia gracilis
Clarence R. Quick
1952-6-30
52 -105
Butte
Ridge top, Big Bar Mt., east of Pulga
Comment
CAS-BOT-BC342964
Madia gracilis
Lowell Ahart
1981-8-15
3037
Butte
Snag Lake (about 3 miles south of Jonesville)
1524
Comment
JEPS119875
Madia gracilis
Lowell Ahart
2012-6-2
18129
Butte
Along the sides of Truex Road, west of the intersection of Truex Road and Trevor Road, about 1/8 mile northwest of the West Branch Bridge across Lake Oroville.
Comment
RSA0035822
Madia rammii
Lowell A. Ahart
2008-6-13
14823
Butte
About 350 yards southwest of the cemetery, about 50 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville.
305
Comment
JEPS98930
Madia subspicata
Bruce G. Baldwin, Gerald D. Carr, Lowell Ahart
1988-6-9
713
Butte
1 mi N, 3 mi E of Honcut (Peter Ahart Ranch, above North Honcut Creek)
Comment
CAS-BOT-BC345232
Madia subspicata
Lowell Ahart
1978-10-29
s.n.
Butte
Sutter Buttes Area. About 4 miles northeast of Bangor along La Porte Road
50
Comment
CHSC66293
Maianthemum racemosum
Lowell Ahart
1996-6-5
7683
Butte
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
CAS-BOT-BC510727
Maianthemum racemosum subsp. amplexicaule
A. A. Heller
1915-6-11
11968
Butte
Chico Meadows in the Sierra Nevada
1219
Comment
CHSC47079
Maianthemum stellatum
R. A. Schlising; L. Janeway
1988-7-1
4553
Butte
N part of county, NE of Snow Mountain.
Comment
CHSC109571
Malacothrix floccifera
L. P. Janeway
2012-6-7
10859
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
UCD134377
Malacothrix floccifera
L. Ahart
1984-6-8
4670
Butte
At the Ponderosa Dam, ca. 2 miles NW of Forbestown. Along edge of dirt road to the generator on the n side of Ponderosa Reservoir.
370
Comment
CHSC65465
Malus
Vernon Oswald
1988-5-30
3346
Butte
Butte Creek Canyon Ecological Reserve e of Hwy 99 between Butte Creek and Durham Mutual Ditch.
70
Comment
CDA31965
Malva nicaeensis
L. Ahart
2009-6-12
15840
Butte
At the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove, Lower Bidwell Park, Chico.
Comment
CHSC107242
Malva nicaeensis
Lowell Ahart
2011-6-3
17363
Butte
Wood chipped planter area between Bidwell Mansion parking area and Gateway Science Museum, Chico.
60
Comment
CHSC109075
Malva nicaeensis
Lowell Ahart; Linnea Hanson, Kaline Le Coq, Josephine Guardino
2012-4-27
17909
Butte
On the north side of the path, near the intersection of Vallombrosa Avenue and Manzanita Avenue, Lower Bidwell Park, Chico.
80
Comment
POM85083
Malva nicaeensis
C. C. Bruce
1897-04
1919
Butte
[name of locality illegible]
Comment
CHSC107389
Marah fabacea
Blake McSorley
2010-4-13
Butte
Bidwell Park at Green Gate.
469
Comment
SEINET10448084
Marah fabacea
Mary Susan Taylor
1975-5-6
Taylor 552
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
SEINET10448088
Marah fabacea
Mary Susan Taylor
1973-1
Taylor 51
Butte
Upper Bidwell Park, Chico. Associates: Stipa pulchra, Lasthenia chrysostoma, Layia fremontii.
61
Comment
CHSC574
Marah fabacea var. agrestis
M. Roberson
1956-4-2
Butte
SW of Paradise, along Skyway
426
Comment
CHSC52032
Marrubium vulgare
B. Castro
1988-4-21
259
Butte
At edge of Chico Cyn Rd just past hairpin turn where road turns away from Big Chico Ck and passes pistachio orchard at base of ridge. Naturalized fairly frequently along this strip on both sides of Big Chico Ck. on the e side of Chico.
91
Comment
UC1586569
Marsilea oligospora
Vernon H. Oswald and Lowell Ahart
1991-8-19
4837
Butte
between Philbrook Reservoir and Coon Hollow (nw lake in cluster of 3 mapped lakes on n side of Forest Rd. 25N15)
1767
Comment
CHSC46313
Matricaria occidentalis
Vernon Oswald
1989-6-6
3799
Butte
Butte Sink Wildlife Area (w portion of Schohr Ranch). Waste area just n of the lighted parking area on the main ranch road n of Butte Creek-Little Dry Creek.
18
Comment
JEPS115379
Medicago lupulina
Lowell Ahart
2009-6-3
15834
Butte
On the east bank of Big Chico Creek, on the west side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
234
Comment
JEPS95544
Medicago orbicularis
Lowell Ahart
1994-3-30
7279
Butte
7 mi N of Oroville (garden area at NE corner of Oregon City School House, Oregon City)
365
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
CHSC27258
Medicago polymorpha
P. Moyer
1972-3-11
129
Butte
CSUC campus. Railroad tracks behind tennis courts.
60
Comment
CHSC38517
Medicago polymorpha
Vernon Oswald
1983-4-4
261
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1.0 mi e of the power lines.
335
Comment
UCD107841
Medicago polymorpha
Robert Kehlor
1951-4-14
33
Butte
J. M. Kehlor Ranch, 6 1/4 miles east of Oroville.
Comment
CHSC45288
Medicago praecox
Vernon Oswald
1987-4-8
2314
Butte
Butte Creek Reserve on the s side of Butte Creek n of the Skyway, ca. 0.1 mi w of the double set of transmission lines.
85
Comment
UC171941
Medicago sativa
P. L. Ricker
1912-5-9
3920
Butte
Chico
Comment
CAS-BOT-BC271135
Melica aristata
E. B. Copeland
1932-7-19
s.n.
Butte
Jonesville, Butte Creek Canyon
1550
Comment
UC1564803
Melica aristata
V. Oswald and L. Ahart
1989-7-12
3843
Butte
0.6 air mi nnw Bald Mt. Lookout (ne of Stirling City, logging road (T-line))
1560
Comment
UCD67023
Melica aristata
E. B. Copeland
1929-7-18
337
Butte
Jonesville.
1550
Comment
CHSC35664
Melica californica
R. E. Preston
1982-4-22
252
Butte
Ca. 1/2 mi ne of Lime Saddle Powerhouse, ca. 4.5 mi sw of Paradise.
289
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
CHSC101462
Melica harfordii
L. P. Janeway; Sarah Starkey
2009-7-13
9857
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
CHSC107923
Melica harfordii
L. P. Janeway
2011-7-21
10519
Butte
Northern High Sierra Nevada. Plumas National Forest; along Road 23N60 between crossings of Jordan Creek and Marble Creek, 3.1 air km east of Rogers Cow Camp. On steep 10 m high road cut-banks.
1067
Comment
CHSC49559
Melica harfordii
Vernon Oswald
1988-6-2
3348
Butte
Spur Rd. 210G on w side of Hwy 32 ca. 0.3 mi n of Platte Mt. Lookout.
975
Comment
CHSC11977
Melica subulata
E. B. Copeland
1929-7-16
338
Butte
Jonesville.
1550
Comment
CHSC42927
Melica subulata
Lowell Ahart
1987-7-8
5809
Butte
Along Big Bar Mountain Road, about 1 mile south-west of Coyote Gap, about 5 miles east of Pulga.
1280
Comment
CHSC36419
Melica torreyana
Donald M. Burk
1982-4-24
118
Butte
Ca. 0.3 mi. N. of Neal Rd., 0.6 mi. E. of Elliot Spring House.
182
Comment
CHSC6105
Melica torreyana
A. R. Jaegel
1968-4-24
141
Butte
On roadside, 1 mi w of Centerville on Humbug Rd.
Comment
CHSC99646
Melica torreyana
H. Koeth
2007-5-2
Butte
Big Chico Creek Ecological Reserve, Chico (Forest Ranch).
471
Comment
JEPS113283
Melica torreyana
Lowell Ahart
2007-4-16
13674
Butte
On the west side fo North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 2 2/3 miles east of Honcut, about 12 miles southeast of Oroville
52
Comment
POM204780
Melica torreyana
A. A. Heller
1902-5-8
5511
Butte
Berry Canyon (near Clear Creek)
Comment
CHSC94575
Melilotus albus
Lowell Ahart
2006-9-13
13336
Butte
South edge of the North Fork of the Feather River, about 100 yards west of Mill Creek, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville.
431
Comment
UC204542
Melilotus albus
A. A. Heller
1914-7-11
11563
Butte
along river w Chico; Sacramento River
Comment
CHSC24804
Melilotus indicus
E. L. Rilla
1976-9-18
28
Butte
.5 mi s of Gridley Rd on Pennington Rd in the Gray Lodge Waterfowl Management Area. Bench Marker 72, 1 mi directly w of collection area.
21
Comment
POM26602
Melilotus indicus
C. C. Bruce
1898-05
1850
Butte
Butte Creek.
Comment
JEPS103288
Melissa officinalis
Lowell Ahart
2002-9-8
9931
Butte
On the south side of the paved road, just south of the first parking spaces at the Feather Falls Trailhead, in Bryant Ravine, about 2 miles north by road from the town of Feather Falls.
741
Comment
CHSC43686
Mentha X piperita
Vernon Oswald
1984-8-26
1677
Butte
Mud Creek Diversion Channel on W. Sacramento Ave. w of Chico.
42
Comment
SEINET10498168
Mentha X piperita
Mary Susan Taylor
1975-10-3
Taylor 923
Butte
At bridge over Little Chico Creek on River Road, ca. 10 mi W of Chico; Ripar ian Woodland disturbed area.
37
Comment
CHSC31791
Mentha canadensis
L. Ahart
1978-8-30
1802
Butte
Peter Ahart Ranch, Honcut. Along edges of North Honcut Creek.
50
Comment
CDA5711
Mentha pulegium
L. Ahart
2000-7-17
8593
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
Comment
CDA5710
Mentha pulegium
L. Ahart
2001-6-1
8746
Butte
On the margin of the Thermalito Afterbay, on the south side of the access road to the boat ramp at the Thermalito Afterbay, west of Larkin Road, about 1 1/4 miles south of the Oroville Airport, about 5 miles (air) southwest of Oroville.
Comment
CHSC38540
Mentzelia laevicaulis
Vernon Oswald
1983-8-2
946
Butte
Upper Bidwell Park, Chico, on the n side of Lindo Channel ca. 100 ft e of Manzanita Ave.
79
Comment
CDA40606
Mertensia ciliata var. stomatechoides
T. C. Fuller
1962-7-12
9207
Butte
0.2 mile east of Jonesville.
0
Comment
CAS-BOT-BC428759
Micranthes californica
Mrs. C. C. Bruce
1897-3-1
2042
Butte
Little Chico
Comment
JEPS120045
Micranthes fragosa
Lowell Ahart
2012-4-9
17825
Butte
Seeps on the southeast bank of Big Chico Creek, about 20 yards northwest of South Rim Trail, south part of Upper Bidwell Park, about 3/4 mile east of the power lines, about 1 3/4 miles (air) northeast of Chico.
Comment
CHSC3287
Micranthes integrifolia
M. L. Hillier
1966-3-6
Butte
4 miles s.e. of C.S.C. Admin. build. on the Skyway to Paradise about 50 ft. from the rd. on the s. side of Butte Creek.
Comment
CAS-BOT-BC348318
Micropus californicus
Lowell Ahart
1983-6-12
4043
Butte
About 1 mile south of Crystal Hill, near Oregon Gulch, near Lake Oroville, about 7 miles south-west of Feather Falls
425
Comment
SEINET7067142
Micropus californicus
A. G. Vestal
1947-4-30
s.n.
Butte
Road to Cherokee on the Cherokee Road. Coordinate datum: NAD27.
Comment
CHSC31088
Micropus californicus var. californicus
Roberta A. Boer
1980-4-13
5
Butte
Ca. 1/4 mi w of Foothill Blvd. and 2.7 mi se of jct of Olive Hwy and Foothill Blvd., ca. 3.5 mi se of Oroville.
121
Comment
UC1070012
Micropus californicus var. californicus
C. G. Albertus
1933-7-6
25
Butte
1/4 mi w Pentz; Chico Quadrangle
Comment
UCD134504
Micropus californicus var. californicus
R. N. Raynor; H. A. Hannesson
1941-5-9
s.n.
Butte
4 miles east of Oroville.
Comment
SEINET10971137
Microseris acuminata
Mary Susan Taylor
1978-4-14
Taylor 1562
Butte
On E side of Williams Road in Valley Grassland, ca. 1/4 mi N of Pentz Road, on Butte College Campus, ca. 15 mi S of Chico. With Marc Hayes.
30
Comment
CHSC40298
Microseris douglasii
Lowell Ahart
1985-4-29
4887
Butte
Peter Ahart Ranch, about 2 miles north and 2 miles east of Honcut, about 12 miles south of Oroville.
50
Comment
CHSC65893
Microseris douglasii subsp. douglasii
Vernon H. Oswald
1996-4-19
7388
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. Pasture near the S end of the S paddock of Tract 7, Sanctuary II.
32
Comment
POM183423
Microseris sylvatica
L. S. Rose
1931-4-12
s.n.
Butte
Honcut
Comment
SEINET10969159
Microsteris gracilis
Mary Susan Taylor
1978-6-24
Taylor 1643
Butte
Ernies Island, in Butte Creek, junction with Old Humboldt Road, ca. 0.5 mi W of Butte Meadows; Yellow Pine Forest.
1372
Comment
POM196544
Microsteris gracilis subsp. gracilis
H. F. Copeland
1929-6-12
1202
Butte
Jonesville.
1524
Comment
UC454136
Mimulus aurantiacus var. grandiflorus
Miss Kate Conger
1907-1
Butte
Brush Creek
Comment
UC660011
Mimulus bicolor
Lincoln Constance
1941-5-28
2831
Butte
Magalia Sierra Nevada foothills, South Branch Feather River
487
Comment
JEPS115712
Mimulus cardinalis
Lowell Ahart
2009-8-3
16261
Butte
Along a small drainage, about 50 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
209
Comment
HSC86826
Mimulus glaucescens
S. Villard
1974-4-26
22
Butte
Around Covered Bridge on Humbug Rd., ca. 6 mi. E of Chico
Comment
OBI9444
Mimulus glaucescens
Robert F. Hoover
1968-5-29
11137
Butte
Cohasset Rd
Comment
HSC32415
Mimulus guttatus
Kitsy Kelly
1974-4-20
27
Butte
Table Mtn. Volcanic area
Comment
JEPS104643
Mimulus guttatus
Lowell Ahart
2003-8-6
10477
Butte
On cliffs, along a small stream, on the south side of Ponderosa Way, ca 2 mi (by road) sw of the Ponderosa Dam, ca 2 mi (air) nw of Forbestown.
497
Comment
JEPS86611
Mimulus guttatus
L. R. Heckard, J. C. Hickman, M. Wolf, and S. D'Alcamo
1989-4-12
6727 a
Butte
n Oroville (off Cherokee Rd.); Table Mountain
Comment
SBBG28945
Mimulus guttatus
E. B. Copeland
1929-7-28
Butte
Jonesville
1500
Comment
UCSC000680
Mimulus guttatus
Monica Larenas
1985-5-25
s.n.
Butte
Brush Creek
Comment
HSC32602
Mimulus kelloggii
Linda M. Barker
1974-4-20
163
Butte
Table Mtn., Central Valley
305
Comment
POM43693
Mimulus latidens
C. C. Bruce
1897-05
2103
Butte
Near Chico.
Comment
SEINET10570265
Mimulus primuloides
Mary Susan Taylor
1978-7-19
Taylor 1790
Butte
Scattered in meadow on N end of Snag Lake between creek and Humbug Road, ca. 3 mi S of junction of Humbug Road and Scotts John Road; Yellow Pine Forest and Montane Meadow.
1676
Comment
UC1609348
Mimulus pulsiferae
Lowell Ahart
1993-6-20
6993
Butte
about 1 air mi nw Lost Creek Reservoir Dam; Mooreville Ridge, Jackass Flat
1158
Comment
SEINET10570286
Mimulus torreyi
Mary Susan Taylor
1979-10-5
Taylor 2235
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
JEPS108746
Minuartia californica
Lowell Ahart
2006-4-28
12550
Butte
About 50 yards north of the rim of Beatson Hollow, about 120 yards south of the poor dirt road, about 1/8 mile southeast of the reservoir, about 2 1/8 miles by the dirt road northwest of the Iron Gate along Cherokee Road, North Table Mountain, about 7 mil
299
Comment
CHSC93360
Minuartia cismontana
Lowell Ahart
2006-4-28
12548
Butte
Open flat pasture, south of the old dirt road, about 1/4 mile southeast of the reservoir, about 2 miles by the dirt road northwest of the Iron Gate along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
316
Comment
CAS-BOT-BC388612
Minuartia douglasii
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CHSC103963
Minuartia douglasii
Lowell Ahart
2010-5-7
16623
Butte
On the south side of a trail, west of disk golf area, on a ridge about 350 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
353
Comment
SEINET10965521
Minuartia douglasii
Mary Susan Taylor
1980-5-27
Taylor 2703
Butte
T21N R6E nw sec 29. Big Bend quad. Little Bald Rock, ca. 3 mi S of Brush Creek; granitic dome within Yellow Pine Forest.
1016
Comment
POM274266
Mitella breweri
J. W. Morrison
1929-06
s.n.
Butte
Oroville-Quincy. Sierra Nevada mtn range. Feather River watershed.
1829
Comment
CHSC63958
Moehringia macrophylla
B. Castro; L. P. Janeway, L. Gehrung
1994-4-18
508
Butte
On Watson Ridge, on N-facing edge of large knoll. Ca 20 ft uphill from old trail.
1133
Comment
SEINET13711198
Moenchia erecta
Lowell William Ahart, Lowell William Ahart
2000-1
8332
Butte
10 Air Mi. NE of Oroville at Oak Grove Cemetery (T19N, R5E, sec 23, Ctr.) 1800 Ft.
549
Comment
JEPS98679
Moenchia erecta subsp. erecta
Lowell Ahart
2000-5-9
8332
Butte
10 air miles NE of Oroville (S side of the dirt road, S side of the Oak Grove Cemetery, about 1/2 mi SE of Hurleton)
548
Comment
CHSC38255
Mollugo verticillata
Vernon Oswald
1983-6-18
707
Butte
Upper Bidwell Park, Chico, in Lindo Channel at the diversion weir.
79
Comment
UC1562289
Mollugo verticillata
Lowell Ahart
1990-7-4
6538
Butte
about 1/2 sw of Enterprise Bridge (across Lake Oroville, below the high water line of Lake Oroville)
243
Comment
PASA603
Mollugo verticillata
Frank W. Peirson
1926-6-20
Butte
Banks of Sacramento River, 5 miles west of Chico
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
RSA107826
Monardella odoratissima subsp. pallida
L. S. Rose
1955-6-15
55105
Butte
6 miles SE of Paradise on Pentz Rd.
427
Comment
UC600443
Monardella odoratissima subsp. pallida
E. B. Copeland
1930-7-28
Butte
Jonesville
Comment
RSA14298
Monardella odoratissima subsp. pallida
Daniel Cleveland
1882-7-14
s.n.
Butte
[?] House
Comment
CHSC67984
Monardella sheltonii
James D. Jokerst
1992-5-19
3357
Butte
Cascade Range Foothills. Stone Ridge Ranch Devolopment Site E of Cohasset Rd. at Chico Municipal. North-facing cliff S of intermittent drainage in Sheep Hollow.
76
Comment
NY411115
Monochoria vaginalis
L. Ahart
1979-9-8
s.n.
Butte
California Rice Experiment Station. Valley Grassland.
33
Comment
CHSC93989
Montia chamissoi
R. D. Fischer
2004-6-20
779
Butte
Sierra Nevada Mountains, north-east corner of Butte County and ca. 4 miles north of Butte Meadows off Scout Road. Boy Scout Camp. On the east side of Chico Meadows, at meadow edge.
1371
Comment
RSA325117
Montia parvifolia
M. S. Taylor
1981-5-7
3634
Butte
N side of Ponderosa Way, N of the Sucker Creek bridge, 4 air miles SW of Feather Falls community.
366
Comment
UCD101762
Montia parvifolia
Brian Bagley
1981-5-17
26
Butte
2.5 miles south of Arch Tunnel on Hwy 70. Cresta Powerhouse Substation.
463
Comment
CAS-BOT-BC73670
Morus alba
John Thomas Howell
1961-9-22
36738
Butte
Sierra Nevada - bank of Feather River, Oroville.
53
Comment
CHSC104007
Morus alba
Lowell Ahart; Wes Dempsey, J. Guardino, S. Mason, S. Green
2010-5-28
16743
Butte
On the north side of the path, about 30 yards southwest of the Cedar Grove Parking Area in lower Bidwell Park, Chico.
67
Comment
CHSC109094
Morus alba
Lowell Ahart; Linnea Hanson, Susan Bazell, Josephine Guardino
2012-4-16
17860
Butte
On the south side of Big Chico Creek, east of the Deer Pen, south of Tables 11 , Lower Bidwell Park, Chico.
65
Comment
JEPS119543
Morus alba
Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-4-16
17859
Butte
East of the Deer Pen, south of Table 11, Lower Bidwell Park, Chico.
Comment
SEINET10827782
Muhlenbergia filiformis
Edwin B. Copel
1929-7-16
Copeland 339
Butte
Jonesville. In open wet ground; the first grass to appear in such places.
1550
Comment
CHSC111402
Muhlenbergia mexicana
Lowell Ahart
2012-6-21
18217
Butte
About 1/4 of a clump, on dry soil, on the south side of Big Chico Creek, about 20 yards off the Freeway, Lower Bidwell Park, Chico. Uncommon. Riparian Woodland.
62
Comment
CHSC43129
Muhlenbergia richardsonis
Robert Banchero
1981-8-6
637
Butte
Ca 3 air miles se of Jonesville. Lake bed.
1853
Comment
SEINET10901847
Muhlenbergia rigens
Mary Susan Taylor
1975-10-4
Taylor 963
Butte
E side of Kunkle Reservoir, ca. 1/4 mi E of Pentz-Magalia Hwy, ca. 1 mi S of Paradise; open to sun.
610
Comment
CHSC46343
Myosotis discolor
Lowell Ahart
1989-5-28
6274
Butte
Along a small stream, south of Oregon Gulch Road, about 1/2 mile north of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville.
335
Comment
CAS-BOT-BC83263
Myosurus minimus
A. A. Heller
1915-3-23
11775
Butte
Sacramento Valley, 11 miles north of Chico.
Comment
CDA5314
Myriophyllum spicatum
L. Ahart
2001-6-3
8749
Butte
In shallow water on the W side of North Honcut Creek, Peter Ahart Ranch, about 1 mi N and 2 3/4 mi E of Honcut, about 12 mi SE of Oroville.
Comment
CHSC45316
Najas gracillima
Vernon Oswald
1988-10-25
3714
Butte
Wurlitzer Unit, Vina Plains Preserve.
57
Comment
UC572408
Nama lobbii
P. L. Johannsen
1936-7-21
952
Butte
1/2 mi e of Chaparral House (Lassen National Forest, Paynes Creek Quadrangle); Lassen National Forest, Paynes Creek Quadrangle
1584
Comment
RSA4126
Nama lobbii
E. B. Copeland
1930-6-27
s.n.
Butte
Jonesville.
1600
Comment
RSA700392
Narthecium californicum
Lowell A. Ahart
2004-8-2
11321
Butte
The start of a small branch of Keyser Creek, on the south side of the dirt County Road, about 4 miles (air) northeast of Stirling City
1690
Comment
UCD87723
Nassella cernua
P. B. Kennedy
1914-5-1
4754
Butte
Buttte County:
Comment
UCD87726
Nassella cernua
P. B. Kennedy
1914-5-1
4754
Butte
Grade to Paradise.
Comment
UCD116084
Nasturtium officinale
Charles Martin
1986-4-26
11
Butte
California: Sutter Co. Sutter Buttes, Canyon SE of North Butte, R2E, T16N, Sec. 20, SW 1/4. Elev. ca. 600 ft.
182
Comment
CHSC38599
Navarretia filicaulis
Vernon Oswald
1983-6-5
635
Butte
Upper Bidwell Park, Chico, on the North Rim Trail ca. 800 ft w of its eastern terminus.
414
Comment
CHSC39663
Navarretia filicaulis
Lowell Ahart
1983-6-21
4092
Butte
Found along Boomer Hill Road, about 1 1/4 miles west of the Oroville Quincy Highway, about 15 miles north-east of Oroville.
450
Comment
CAS-BOT-BC230301
Navarretia heterandra
Lewis S. Rose
1945-5-12
45015
Butte
Richardson Springs
304
Comment
UC1008733
Navarretia heterandra
Lewis S. Rose
1945-5-12
45015
Butte
Richardson Springs
304
Comment
UCD33122
Navarretia heterandra
Beecher Crampton
1966-6-27
7767
Butte
Butte County, ca. 13 miles N.W. of central Chico (indirect line) about 1 mile east of Hwy. 99, Roney Ranch.
Comment
CHSC44415
Navarretia intertexta
Lowell Ahart
1988-6-23
6077
Butte
In the meadow, south of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road.
670
Comment
UC600671
Navarretia intertexta
E. B. Copeland
1929-7-28
Butte
Jonesville
1500
Comment
UC1609318
Navarretia leptalea subsp. leptalea
Lowell Ahart
1993-6-26
7035
Butte
about 1 (air) mi nw Lost Creek Reservoir Dam (Jackass Flat, Mooreville Ridge); nw of Lost Creek Reservoir Dam, Mooreville Ridge, Jackass Fl
1158
Comment
CAS-BOT-BC230334
Navarretia leucocephala
Herbert L. Mason
1941-4-6
12410
Butte
Near junction of Chico-Paradise Road, 3 miles S of Chico
Comment
UC52316
Navarretia leucocephala
Mrs. R. W. Summers
Jun 1886
Butte
Comment
CAS-BOT-BC230386
Navarretia leucocephala subsp. minima
Lewis S. Rose
1939-6-5
39196
Butte
Honcut
30
Comment
HSC38283
Navarretia leucocephala subsp. minima
Thomas W. Nelson, Jane P. Nelson
1976-5-9
2453
Butte
At intersection of Palermo Rd. and S.R. 70 ca. 4 mi. S of Oroville
Comment
JEPS117332
Navarretia pubescens
Lowell Ahart
2010-6-20
16834
Butte
About 3/8 miles north of Cox Lane, about 1 1/2 miles east of Palermo Honcut Highway, Guidci Ranch, about 7 1/2 miles (air) southeast of Oroville
55
Comment
CHSC12060
Navarretia tagetina
K. J. Hislop
1970-5-10
127
Butte
Found on Hwy. 70 ca. 5 mi. n of Yankee Hill.
213
Comment
JEPS127003
Navarretia tagetina
Lowell Ahart
2016-5-24
20848
Butte
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.
Comment
SD7652
Navarretia viscidula
Mrs. R. M. Austin
1883-1
Butte
Butte Co
Comment
RSA0000011
Nemophila fallax
C. C. Bruce
1897-03
2037
Butte
[No location information on label.]
Comment
CHSC50049
Nemophila heterophylla
Lowell Ahart
1990-3-9
6413
Butte
On the steep banks on the east side of Pacific Heights Road, about 3 1/2 miles south-west of Oroville.
33
Comment
CHSC84917
Nemophila heterophylla
W. Dobson
1980-5-25
21
Butte
Ca. in Wagner Valley.
542
Comment
HSC43096
Nemophila heterophylla
Maralyn O'Meara
1974-4-20
3000
Butte
Table Mtn.
305
Comment
JEPS115823
Nemophila heterophylla
Lowell Ahart
2009-4-26
15641
Butte
On the south of Guardians Trail, about 30 yards southwest of Pine Trail, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico
381
Comment
RSA769679
Nemophila heterophylla
L. Ahart
2009-4-3
15531
Butte
North margin of gravel road, east of Cedar Grove Parking Area in Lower Bidwell park, Chico
67
Comment
SD60314
Nemophila heterophylla
A. A. Heller
1926-3-24
13913
Butte
Along Chico creek about 4 miles east of Chico in the Quercus lobata belt.
Comment
SEINET5520962
Nemophila heterophylla
H. P. Chandler
1908-4-5
8025
Butte
Near Oroville, in the foothills of the Sierra Nevada
150
Comment
CHSC39933
Nemophila pedunculata
M. S. Taylor; L. Ahart, J. Jokerst
1984-4-6
5400
Butte
Ca. 0.5 mi N of Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 3 mi S of Paradise.
Comment
JEPS107353
Nemophila pedunculata
Lowell Ahart, Paul Maslin, John Dittes
2005-3-17
11678
Butte
Big Chico Creek Ecological Reserve. On the east side of Chico Canyon Road, about 1 mile (air) west of Highway 32, about 7 miles (air) northeast of Chico
236
Comment
CHSC11970
Nemophila spatulata
E. B. Copeland
1930-6-28
445
Butte
Jonesville.
1650
Comment
CHSC49436
Nicotiana acuminata var. multiflora
Vernon Oswald
1984-6-3
1250
Butte
Sacramento River, ca. 0.5 mi downstream from the mouth of Stony Creek.
39
Comment
SEINET260328
Nicotiana acuminata var. multiflora
Lowell Ahart
1986-11-9
5434
Butte
Boat launch area off the Oroville Quincy highway near Canyon Creek about 12 mi NE of Oroville
270
Comment
CHSC34016
Nicotiana glauca
L. Ahart
1981-7-18
2942
Butte
In the burrow area ca. 4.5 mi sw of Oroville. Along the dirt rd near the base of the levee.
35
Comment
CHSC50822
Nothocalais alpestris
Vernon Oswald; Lowell Ahart
1990-7-19
4377
Butte
South side of Philbrook Creek, ca. 3 mi east of Philbrook Reservoir, ca. 0.1 mi west of the Plumas County line.
1950
Comment
RSA0012850
Nuphar lutea subsp. polysepala
E. B. Copeland
1929-7-29
s.n.
Butte
Jonesvilee, near Butte Creek House.
1750
Comment
CHSC110260
Odontostomum hartwegii
L. P. Janeway
2012-6-2
10834
Butte
Northern High Sierra Nevada. Plumas National Forest; eastern slope of Bloomer Hill, 1.0 air km east of the top.
701
Comment
CHSC39065
Oemleria cerasiformis
R. A. Schlising
1983-4-15
4401
Butte
S of village of Cohasset on Cohasset Ridge, near Maple Branch of Mud Creek.
487
Comment
CHSC47037
Oenothera elata subsp. hirsutissima
R. A. Schlising
1985-10-6
4480
Butte
At Sacramento River, W of Chico, N of Chico Landing site. Along E edge of river.
36
Comment
CDA34717
Olea europaea
L. Ahart
2010-6-1
16750
Butte
North side of Guardian's Trail, about 100 yards east of the end of Centennial Avenue, Upper Bidwell Park, about 1/2 mile east of Chico Canyon Road.
Comment
CHSC38559
Olea europaea
Vernon Oswald
1983-5-27
569
Butte
Upper Bidwell Park, Chico, along the South Rim Trail between the Golf Course and the power lines.
121
Comment
UC1586570
Ophioglossum californicum
Lowell Ahart
1991-3-11
6642
Butte
ca. 2 1/2 mi n and 3 3/4 mi e Honcut (ca. 12 mi se of Oroville, Joie Osgood Ranch)
91
Comment
CHSC51890
Orobanche fasciculata
L. P. Janeway; R. A. Schlising
1988-7-22
3061
Butte
Saddle between Coon Hollow and Chips Cr.
1905
Comment
CAS-BOT-BC500244
Orobanche uniflora subsp. occidentalis
Lowell Ahart
1980-5-29
2359
Butte
Sierra Nevada: 5 mi NE of Mountain House
1100
Comment
SEINET10931219
Orthocarpus attenuatus
Mary Susan Taylor
1982-4-28
Taylor 4355
Butte
T17N R1E se/sw sec 13. Pennington qud. Graylodge Wildlife Refuge, n side of Rutherford Rd, ca. 1/2 mi w ofits jct with Pennington Rd, ca. 12 mi sw of Gridley. 70 ft.
21
Comment
RSA189381
Orthocarpus erianthus
L. S. Rose
1967-5-6
67054
Butte
Oroville.
52
Comment
RSA325140
Orthocarpus lacerus
M. S. Taylor, Vernon H. Oswald
1984-4-4
5393
Butte
S side of Humbug road, 2 miles SW of Nimshew, 12 air miles NE of Chico.
Comment
SEINET10454516
Osmorhiza chilensis
Mary Susan Taylor
1978-7-19
Taylor 1733
Butte
Cherry Hill Campground, on S side of Old Humboldt Road, ca. 2 mi SW of Jonesville.
1524
Comment
SEINET10495035
Oxalis corniculata
Mary Susan Taylor
1975-4-6
Taylor 438
Butte
Chico.
52
Comment
SEINET11805350
Packera eurycephala var. lewisrosei
W. Knight, Knight, I.
1981-1
4115
Butte
along Feather River Highway near Pulga
Comment
CHSC116287
Panicum capillare
Lowell Ahart
2015-10-26
20605
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
UCD89514
Panicum capillare
A. A. Heller
1916-9-30
12665
Butte
8 miles north of Oroville.
Comment
CAS-BOT-BC253830
Panicum dichotomiflorum
John Thomas Howell
1959-9-20
34646
Butte
Eastern outskirts of Oroville
60
Comment
CHSC108989
Parentucellia viscosa
Lowell Ahart
2012-4-30
19942
Butte
Depression along the side of the Guardian Trail, about 1/4 mile west of Highway 32, about 8-1/4 miles northeast of Chico, south part of Upper Bidwell Park.
382
Comment
JEPS98570
Parentucellia viscosa
Lowell Ahart
2000-6-6
8456 A
Butte
5 mi(air)E of;in a meadow on bottom of old gold mining pit 200 yds NW of dirt road crossing Oregon Gulch creek, 1/4 mi N of cemetary, 1 1/2 mi S of Crystal Hill Oroville Dam
304
Comment
UC764866
Parvisedum pumilum
R. F. Hoover
1938-4-24
3249
Butte
2 mi n of Chico
Comment
CHSC32615
Paspalum dilatatum
J. D. Jokerst
1979-6-13
1230
Butte
Top of North Table Mt., ca 100 m N of Cherokee Rd where it intersects the E edge of the mountain.
396
Comment
CDA2123
Paspalum urvillei
G. D. Barbe, T. C. Fuller
1981-10-9
3593
Butte
Frontage of 9478 Black Bart Road, 1.3 miles east of Forbestown Road, Hurleton.
Comment
CHSC34221
Paxistima myrsinites
M. S. Taylor
1981-5-29
3811
Butte
Vicinity of old mining claim ca bin, Chino Ridge, at end of spur rd 22N85, off 22N31, at Chino Creek, ca. 3 air mi sw of Coyote Gap, ca. 16 air mi n of Oroville.
975
Comment
CHSC48898
Pectiantia breweri
Vernon Oswald
1987-6-29
3035
Butte
Jones Meadow Rd. e of Inskip at a small streamlet which joins Last Chance Creek just downstream from its East Fork.
1676
Comment
CHSC64224
Pedicularis attollens
S. C. Morey
1983-7-23
583
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
430
Comment
CHSC1839
Pedicularis densiflora
W. Reed
1947-3-9
Butte
Along roadside.
396
Comment
CAS-BOT-BC69337
Pellaea brachyptera
Lowell Ahart
1982-6-4
3539
Butte
1 1/2 miles east of Camp 18, about 8 miles east of Feather Falls
1000
Comment
CHSC40285
Pellaea brachyptera
Lowell Ahart
1985-6-17
5054
Butte
Lumpdin Ridge, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
975
Comment
SEINET10470234
Pellaea mucronata
Lowell Ahart
1985-6-17
Ahart 5055
Butte
Lumpkin Ridge, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
Comment
SEINET10529801
Pellaea mucronata
Mary Susan Taylor, K. Tharp
1983-3-11
Taylor 5222
Butte
T21N R6E se sec 30. Big Bald Rock, ca. 3 mi s of Brush Creek, ne of Oroville. 3200 ft.
975
Comment
SEINET10834168
Pellaea mucronata
Mary Susan Taylor
1980-4-18
Taylor 2524
Butte
On dry open bluff, on E side of Humbug Road, ca. 3 mi SW of Nimshew; Foothill Woodland. With J.D. Jokerst.
518
Comment
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
NY571181
Penstemon azureus var. azureus
J. T. Howell
1962-6-16
37546
Butte
Sierra Nevada; Magalia
731.5
Comment
SEINET3160230
Penstemon breviflorus
L. S. Rose
1940-5-30
40425
Butte
Feather River Canyon, 25 mi NE of Oroville
610
Comment
CHSC27966
Penstemon gracilentus
M. S. Taylor
1978-7-19
1780
Butte
On e side of Upper Scotts John Rd, ca. 2 mi n of tis jct with Scotts John Rd, ca. 6 mi ne of Jonesville.
1889
Comment
CHSC42069
Penstemon heterophyllus var. purdyi
Steve Holloway
1986-4-18
26
Butte
20 m w of Hwy 32, 15.6 km ne of Chico.
540
Comment
SEINET10548025
Penstemon laetus
Mary Susan Taylor
1980-5-27
Taylor 2730
Butte
N side of Oroville-Quincy Hwy, ca. 2 mi S of Lake Madrone.
610
Comment
CHSC44713
Penstemon laetus var. leptosepalus
R. Banchero
1980-6-26
264
Butte
Along Humbolt Rd 0.6 mi NE of its jct with Hwy 32.
1219
Comment
CHSC44714
Penstemon laetus var. leptosepalus
R. Banchero
1980-7-7
281
Butte
Along Lumpkin Rd 3.5 mi NE of the Enterprise Bridge, ca 3.0 mi SW of the town of Feather Falls.
633
Comment
NY604523
Penstemon laetus var. leptosepalus
D. D. Keck
1930-7-24
972
Butte
Near Chaparral
1645.9
Comment
POM220089
Penstemon laetus var. leptosepalus
H. F. Copeland
1927-9-4
480
Butte
Jonesville.
Comment
UC454141
Penstemon laetus var. leptosepalus
Miss Kate Conger
1907-1
Butte
Brush Creek
Comment
CHSC1872
Penstemon neotericus
M. Underhill
1952-7-2
Butte
609
Comment
CAS-BOT-BC245637
Penstemon personatus
Lowell Ahart
1986-7-2
5336
Butte
About 0.5 mi. S of Bald Mountain, ca. 4.5 mi. NE of Stirling City, Sierra Nevada
1615
Comment
UC1527283
Penstemon personatus
Lowell Ahart
1986-7-2
5336
Butte
about 1/2 mi sw Bald Mountain (about 4 1/2 mi ne of Stirling City); sw of Bald Mountain, ne of Stirling City
1615
Comment
CAS-BOT-BC239449
Penstemon rydbergii var. oreocharis
Lyman Benson
1932-7-28
3965
Butte
First summit, Oroville-Quincy, Sierra Nevada Mt. Range, Feather River
1828
Comment
CHSC32143
Pentagramma pallida
L. Ahart
1975-1-4
694
Butte
From Honcut go n to Cox Lane and then e to second pole line, follow PGE pole line s to the 4th pole, then go e to the large rocks; 2 mi n and 1 mi e of Honcut.
91
Comment
CHSC63691
Pentagramma triangularis subsp. semipallida
Lowell Ahart
1994-10-9
7559
Butte
On the north side of the poor road that hoes from Milsap Bar to Mountain Spring House, about 1 mile west of Mountain Spring House and the paved road, about 8 1/2 (air) miles north and 1 1/2 miles east of Feather Falls.
1158
Comment
JEPS122075
Perideridia lemmonii
Lowell Ahart
2014-7-13
19667
Butte
About 150 yards southeast of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir
Comment
CHSC38742
Perideridia oregana
Vernon Oswald
1983-6-9
657
Butte
Upper Bidwell Park, Chico, beside Yahi Trail w of Brown's Hole.
182
Comment
SEINET3924533
Persicaria amphibia
Lowell Ahart
2003-6-16
10287
Butte
On the west side of Wickman Road, about 1 mile south of Richvale West road, about 1.5 miles (air) southwest of Richvale.; 0
29
Comment
CHSC45466
Persicaria hydropiper
Lowell Ahart
1983-9-17
4437
Butte
On the sides of a deep wash, about 1/4 mile south-east of Stirling City.
1097
Comment
CAS-BOT-BC418950
Persicaria lapathifolia
Lowell Ahart
1974-11-9
s.n.
Butte
Peter Ahart Ranch, Honcut
45
Comment
CHSC48663
Persicaria lapathifolia
Vernon Oswald
1987-8-10
3202
Butte
Snag lake located 2.5 mi (air) se of Jonesville. Scattered plants in moist soil on the east side of the reservoir near the normal high-water line.
1726
Comment
JEPS120035
Persicaria lapathifolia
Lowell Ahart
2011-10-29
17725
Butte
On the south side of Biggs Princeton Road, about 500 yards west of Riceton Highway, about 1 miles northwest of Biggs.
Comment
CHSC72252
Persicaria punctata
Lowell Ahart
1998-9-11
8055
Butte
Seep area west of the cattle chute on the west side of Cherokee Road, North Table Mountain, about 7 (air) miles north of Oroville.
403
Comment
SJSU5411
Petrorhagia dubia
C. D. Duncan
1963-5-4
Butte
Honeyrun Rd between Chico & Paradise
487
Comment
CHSC30888
Phacelia egena
J. D. Jokerst
1979-4-6
1183
Butte
Top of North Table Mt, W edge of Mt.
365
Comment
CHSC38466
Phacelia egena
Vernon Oswald
1983-3-31
242
Butte
Upper Bidwell Park, Chico, near Yahi Trail ca. 500 ft w of Parking Area N (1.3 mi e of the power lines) at Salmon Hole.
146
Comment
CHSC50050
Phacelia egena
Lowell Ahart
1990-4-8
6438
Butte
On the east side of Pacific Heights Road, about 3 1/2 miles south-west of Oroville.
33
Comment
CHSC28793
Phacelia hastata subsp. hastata
J. D. Jokerst
1979-7-21
298
Butte
Humboldt Rd., N.E. corner of Butte County, at Humboldt summit.
Comment
CHSC11969
Phacelia heterophylla subsp. virgata
E. B. Copeland
1930-7-13
446
Butte
Jonesville.
1550
Comment
UC196300
Phacelia purpusii
A. A. Heller
1914-6-22
11486
Butte
edge of n slope Little Summit
1463
Comment
SEINET12332635
Phacelia purpusii
L. P. Janeway
1988-1
2795
Butte
W-facing slope above W BR Butte Cr, 0.6 mi S of Lomo along road through Cedar Cr
1219
Comment
SD4079
Phacelia racemosa
E. B. Copeland
11-13 Jul 1931
Butte
Jonesville, on bare stony ridge between Jones and North Willow Creeks.
1700
Comment
CAS-BOT-BC265845
Phalaris brachystachys
A. A. Heller
1902-5-3
5446
Butte
Near Nelson
Comment
CHSC6109
Phalaris caroliniana
A. R. Jaegel
1968-4-19
143
Butte
2 mi s of Cherokee in field (3/4 mi w of 1st gate at top of Table Mountain, gate about 1 mi from Oregon City cutoff on Cherokee Rd.).
Comment
UCD89392
Phalaris paradoxa
A. A. Heller
1919-8-13
13352
Butte
Between Nelson and Richvale.
Comment
SEINET10949139
Phalaris paradoxa
Lewis S. Rose
1937-6-11
Rose 37381
Butte
7 mi W of Honcut. Open fields
23
Comment
SEINET194972
Philadelphus californicus
A. A. Heller
1938-5-30
15130
Butte
Near Grizzly Dome tunnel on Highway 24.
610
Comment
CHSC10566
Philadelphus lewisii
Lowell Ahart
1967-6-6
Butte
Near Bidwell Bar.
213
Comment
CHSC114285
Philadelphus lewisii
J. R. Keck Jr.
1978-5-23
Butte
Highway 70, Jarboe Gap. Near Poe Power House.
Comment
RSA0057776
Philadelphus lewisii
Edward Palmer
1892-6-7
s.n.
Butte
Near Chico.
Comment
UC1594573
Phleum pratense
Lowell Ahart
1992-8-2
6904
Butte
about 3 (air) mi ne Concow Reservoir; Concow Meadow, ne of Concow Reservoir
1097
Comment
SEINET10657662
Phleum pratense
Lowell Ahart
1988-6-23
Ahart 6061
Butte
Timothy. On damp rocky soil, along the east side of Wyandotte Miners Ranch Road, about 1/2 mile south of Olive Highway, about 5 miles south-east of Oroville, Foothill Woodland.
259
Comment
CHSC6628
Phlox
M. MacArthur
1968-6-13
323
Butte
SE yard of building V, Chico State College campus.
60
Comment
UC600674
Phlox austromontana
H. F. Copeland
1920-8-8
Butte
Jonesville
Comment
CAS-BOT-BC134920
Phoradendron bolleanum
A. A. Heller
1918-5-5
13008
Butte
Near Magalia
Comment
CAS-BOT-BC135098
Phoradendron juniperinum
E. B. Copeland
1931-7-28
627
Butte
Jonesville
1500
Comment
CHSC40680
Phoradendron libocedri
Lowell Ahart
1985-9-18
5169
Butte
Tree was on dry lava soil on a lava cap, about 2 miles west of Sly Creek Reservoir, east of the intersection of Golden Trout Crossing road on Reville Ridge.
914
Comment
UC465870
Phoradendron libocedri
Kate E. Conger
Dec. 1906
Butte
Brush Creek
Comment
CHSC32113
Phoradendron serotinum subsp. macrophyllum
L. Ahart
1977-3-19
1227
Butte
Along edge of North Honcut Creek, 3 mi ne of Honcut.
60
Comment
CAS-BOT-BC141246
Phoradendron serotinum subsp. tomentosum
A. A. Heller
1914-1-28
11157
Butte
Hills 5 miles E of Chico
Comment
CAS-BOT-BC141250
Phoradendron serotinum subsp. tomentosum
John Thomas Howell
1978-7-26
53191
Butte
Open crest in volcanic agglomerate, E of Nevada City on Highway 20 at junction of road to Washington. Sierra Nevada
1310
Comment
CHSC86067
Phoradendron villosum
R. D. Fischer
2004-1-4
37
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico. East side of Upper Park Road, just northeast of Day Camp next to rd.
121
Comment
JEPS104307
Phoradendron villosum
Lowell Ahart
2003-5-27
10226
Butte
On the rim above Big Chico Creek, along the Iahi Trail, ca 200 yd e of Parking Area O, Upper Bidwell Park, ca 4 1/2 mi e of Manzanita Avenue, Chico.
182
Comment
UC34934
Phoradendron villosum
E. R. Drew
1889-1-1
Butte
Yankee Hill
Comment
JEPS120060
Photinia
Lowell Ahart
2012-4-9
17824
Butte
On the north side of South Rim Trail, about 30 yards east of Big Chico Creek, south part of Upper Bidwell Park, about 3/4 mile east of the power lines, about 1 3/4 miles (air) northeast of Chico.
Comment
CHSC35964
Phyla nodiflora var. rosea
M. S. Taylor
1982-5-22
4495
Butte
Graylodge Waterfowl Refuge, at the West Liberty Rd, ca. 12 mi se of Gridley.
19
Comment
CHSC58961
Phyla nodiflora var. rosea
Lowell Ahart
1992-7-23
6832
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
SEINET10547000
Phyla nodiflora var. rosea
Lowell Ahart
1991-9-14
Ahart 6725
Butte
On the south end of the dam, at the large reservoir, Joie Osgood Ranch, about 2 miles east of Honcut. Valley Grassland. T17N R4E S/C/S14.
46
Comment
SEINET10931448
Physalis acutifolia
Mary Susan Taylor
1977-10-10
Taylor 1507
Butte
In dried up weed field on N side of Crauch Road, at its junction with Lone Pine Road, ca. 4 mi S of Chico.
46
Comment
CHSC66362
Physalis lancifolia
Vernon H. Oswald
1996-6-20
7822
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the hiking trail near the east observation platform (S end of Tract 2, Sanctuary II).
33
Comment
RSA726339
Physalis lancifolia
L. Ahart
2007-8-19
14494
Butte
North strand of a reservoir, about 2.25 miles (air) southeast of Honcut, about 13 miles (air) southeast of Oroville.
49
Comment
UC580804
Physalis lancifolia
H. S. Yates
1936-8-14
6127
Butte
3 mi nw Nelson; Chico Quad.
30
Comment
CHSC44289
Physocarpus capitatus
V. Oswald; W. Dempsey, D. Perske
1988-6-15
3384
Butte
Douglas Perske's property located at the e end of Bull Creek Rd., ca. 1 mi (air) ne of Cohasset School. Along the W. Branch of Mud Creek.
853
Comment
JEPS95155
Phytolacca americana
Lowell Ahart
1997-7-31
7758
Butte
Durham, Durham Elementary School Durham Elementary School; Durham, Durham Elementary School
57
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
CHSC28691
Pilularia americana
M. S. Taylor
1979-5-6
2002
Butte
Peter Ahart Ranch, Honcut.
45
Comment
NY34618
Pinus attenuata
R. C. Walsh
1987-7-7
297
Butte
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
CAS-BOT-BC78448
Pinus contorta subsp. murrayana
H. F. Copeland
1929-6-11
1238
Butte
Jonesville
1524
Comment
CHSC3168
Pinus contorta subsp. murrayana
Dona Kingsford
1966-3-13
Butte
2 miles from 4th Street entrance to Bidwell Park, Chico.
Comment
RSA0116405
Pinus contorta var. murrayana
E. B. Copeland
1929-7-15
334
Butte
Jonesville
1550
Comment
CHSC31514
Pinus ponderosa
L. Ahart
1976-2-15
1007
Butte
On North Honcut Creek. Peter Ahart Ranch, Honcut
53
Comment
NY62742
Pinus sabiniana
A. A. Heller
1913-4-7
10690
Butte
Hills 2 miles north of Oroville
Comment
CHSC31785
Piperia michaelii
L. Ahart
1974-5-5
450
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CDA13733
Piperia transversa
G. F. Hrusa, T. D. Wilfred
1997-6-27
13911
Butte
Sierra Nevada; Feather Falls/Cascade Rd.
Comment
CDA34559
Pittosporum tobira
L. Ahart, John Dittes, Josephine Guardino
2008-11-8
15421
Butte
On the south side of Cedar Grove, Lower Bidwell Park, Chico.
Comment
SEINET10529965
Pityrogramma triangularis var. semipallida
Mary Susan Taylor
1981-3-16
Taylor 3408
Butte
T21N R4E southcenter sec 16; Cherokee q. E side of Truex Rd, ca. 0.5 mi s of its jct with Hwy 70, ca. 7 mi n of Oroville. Foothill Woodland; 1000 ft.
305
Comment
CHSC114949
Plagiobothrys
Lowell Ahart
2015-3-10
19944
Butte
60 feet north of the fence, north of the parking area, north of Larkin Road, about 6 miles (air) southwest of Oroville.
44
Comment
CHSC116644
Plagiobothrys
Lowell Ahart
2016-4-14
20742
Butte
Along a small path, low area, 60 feet north of the fence, north of the parking area, north of Larkin Road, about 6 miles (air) southwest of Oroville.
44
Comment
POM287608
Plagiobothrys
Lyman Benson
1935-3-27
6365
Butte
5 miles NW of Oroville, Sierra Nevada Mt Range, Sacramento river watershed.
152
Comment
CAS-BOT-BC6468
Plagiobothrys austiniae
R. M. Austin
1883-5-1
s.n.
Butte
unspecified
Comment
UC398679
Plagiobothrys canescens
A. A. Heller
1926-4-21
13935
Butte
7 mi n Chico; Rock Creek
Comment
CHSC46344
Plagiobothrys glyptocarpus
Lowell Ahart
1989-5-23
6238
Butte
Along the edges of a small stream, north of the new subdivision road, 1/2 mile east of Dunstone Drive, about 1/2 mile north of Bangor Park Road, west of Bangor.
76
Comment
RSA755321
Plagiobothrys glyptocarpus
Robert A. Schlising
1981-4-11
4020 a
Butte
About 1 mile east of Chico, between Hwy 32 and Humboldt Road.
76
Comment
SBBG128043
Plagiobothrys glyptocarpus var. glyptocarpus
L. Ahart
2010-6-9
16785
Butte
ca. 100 yards W of the fence, ca. 0.5 mi S of the improved parking area and Cherokee Rd, N Table Mtn, ca. 5.5 mi NE of Oroville
398
Comment
UC196310
Plagiobothrys greenei
A. A. Heller
1914-4-6
11266
Butte
8 mi n Oroville
Comment
CAS-BOT-BC228259
Plagiobothrys hispidulus
E. B. Copeland
1929-7-28
s.n.
Butte
Jonesville
1500
Comment
RSA0116258
Plagiobothrys hispidulus
Lowell A. Ahart
2014-7-10
19627
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1665
Comment
CHSC24974
Plagiobothrys nothofulvus
J. Cox
1976-3-10
43
Butte
N. Table Mt., ca. 300 yds. n of Cherokee Rd., 4.3 mi. ne of Oroville.
426
Comment
CHSC28985
Plagiobothrys nothofulvus
R. A. Schlising
1980-3-23
3523
Butte
E of Chico and SW of Paradise along Skyway.
289
Comment
CHSC35065
Plagiobothrys shastensis
R. A. Schlising; R. Banchero
1981-5-20
4055
Butte
E of Oroville on Forbestown Road, just S of Lake Wyandotte.
Comment
SEINET5320949
Plagiobothrys stipitatus
Unknown
2002-3-27
6156
Butte
Chico; At the junction of State Highway 99 and Hamilton Nord Cana Highway, about 8 miles northwest of Chico
40
Comment
CHSC75256
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
1999-5-21
8075
Butte
On the sides an bottom of a drain ditch in a pasture field, on the east side of Evans Reimer Road, about 7/8 mile east of Pennington Road, about 5 miles (air) southwest of Gridley.
21
Comment
JEPS127037
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2016-5-31
20904
Butte
About 1/8 mile east of Palermo Honcut Highway, Peter Ahart Ranch, about 2 1/4 miles north and 1/8 mile east of Honcut, about 12 miles (air) south of Oroville.
Comment
CHSC42070
Plantago coronopus
Kevin Lund
1986-4-15
16
Butte
Ca. 13 mi n of Chico on Hwy. 99.
Comment
CHSC63541
Plantago coronopus
Vernon H. Oswald
1994-4-14
6107
Butte
Old railroad grade along the N. Fork Feather River ca. 0.25 mi W of Stony Creek, E of Poe Powerhouse.
301
Comment
CHSC62364
Plantago elongata
B. Castro
1990-3-31
418
Butte
Ca 4 mi SW of Paradise, S of Neal Rd ca 0.1 mi SE of Elliot Spring House.
297
Comment
JEPS103364
Plantago elongata
Lowell Ahart
2002-3-16
9417
Butte
On the bottom and sides of a depression, on the N side of a poor dirt road, ca 50 yards N of Highway 32, ca 1/4 mile E of the intersection of Bruce Road and Highway 32, E of Chico.
73
Comment
JEPS119682
Plantago elongata
Lowell Ahart
2012-5-4
17981
Butte
About 1/2 mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
Comment
CHSC28636
Plantago erecta
M. S. Taylor
1979-3-31
1974
Butte
Jct of Pentz-Magalia Rd and Pentz Rd, se corner, ca. 1/4 mi w of Hwy 70, ca. 22 mi n of Oroville.
198
Comment
SEINET8246451
Plantago erecta
George Kingston
1980-3-5
6
Butte
ne of Horseshoe Lake in Bidwell Park, Chico.
152
Comment
CHSC102827
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
CHSC19917
Plantago lanceolata
M. S. Taylor
1975-3-3
395
Butte
Abundant on e side of Richardson Springs Rd, ca. 2 mi ne of Cohasset Rd., ca. 6 mi n of Chico.
182
Comment
CHSC61323
Plantago lanceolata
Lowell Ahart
1993-7-23
7095
Butte
On a large gravel bar on the west side of Fall River, about 100 yards west of the bridge across Fall River, about 6 (air) miles north-east of Feather Falls.
1036
Comment
JEPS115531
Plantago lanceolata
Lowell Ahart
2009-5-15
15689
Butte
On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
203
Comment
CHSC66442
Plantago major
Vernon H. Oswald; Lowell Ahart
1996-6-10
7744
Butte
Sacramento River Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service Parcel between 7 Mile Lane and the Sacramento River.
28
Comment
RSA30397
Platanus racemosa
A. A. Heller
1914-3-12
11192
Butte
Canyon of Big Chico Creek E of Chico.
69
Comment Read comments Feb 17 2016
CHSC10701
Plectritis ciliosa
Lowell Ahart
1968-4-1
Butte
Peter Ahart Ranch, Honcut.
Comment
CHSC32588
Plectritis ciliosa subsp. insignis
J. D. Jokerst; Jeri Donovan
1981-3-21
1260
Butte
Ca. 0.5 mi N of Horseshoe Lake (ca 3 mi E of Chico in Bidwell Park).
Comment
UC726298
Plectritis macrocera
A. A. Heller
1938-4-14
15026
Butte
summit of Table Mountain Table Mountain
304
Comment
CHSC11805
Pleuricospora fimbriolata
E. B. Copeland
1929-7-13
436
Butte
Jonesville.
1550
Comment
UC426929
Pleuricospora fimbriolata
E. B. Copeland
1929-7-13
436
Butte
Jonesville
1550
Comment
CHSC30382
Poa annua
J. D. Jokerst
1979-3-20
1145
Butte
At the edges of creeks and vernal pools. Top of North Table Mt., ca 0.5 mi N of the jct of the E edge of mt and Cherokee Rd.
396
Comment
CHSC9340
Poa annua
B. Anthony
1968-4-1
403
Butte
Lawn at Vets Village, Chico State College.
Comment
CHSC99319
Poa annua
Lowell Ahart
2008-5-21
14775
Butte
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
CHSC49697
Poa bolanderi
Vernon H. Oswald
1983-8-4
969
Butte
Humboldt Summit, ca 3 mi ne of Jonesville.
1993
Comment
CAS-BOT-BC254923
Poa bulbosa
Lowell Ahart
1986-4-4
5242
Butte
Near North Honcut Creek, about 2.5 miles N and 3 miles E of Honcut, about 12 miles S of Oroville
67
Comment
CHSC61375
Poa compressa
Lowell Ahart
1993-7-23
7094
Butte
On a gravel bar on the west side of Fall River, about 100 yards west of the bridge across Fall River, about 6 (air) miles north-east of Feather Falls.
1036
Comment
CHSC76332
Poa compressa
G. F. Hrusa
1997-5-29
13798
Butte
Sierra Nevada. Slopes on N side of Sucker Run Creek, +/- 1.5 mi. SSE of Feather Falls townsite. Near creek. [Original Lat./Long. on label is '39 34 N; 121 14 W'].
750
Comment
CHSC61548
Poa palustris
Lowell Ahart
1993-7-6
7053 A
Butte
On the edges of a meadow, north of the dirt road, about 1/4 mile west of the Lost Creek Reservoir.
1036
Comment
UC478556
Poa pringlei
E. B. Copeland
1931-6-22
606
Butte
the Summit Jonesville
2000
Comment
CHSC44591
Poa secunda subsp. secunda
Lowell Ahart
1979-5-7
1858
Butte
Along edges of wash, east of Kunkle Creek, about 2 1/2 miles south-east of Paradise.
457
Comment
CHSC47629
Poa secunda subsp. secunda
Lowell Ahart
1977-6-16
1425
Butte
On the banks of North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south of Oroville.
54
Comment
CHSC8253
Poa secunda subsp. secunda
M. Banning
1969-4-15
54
Butte
Junction of Rock Cr. Rd. and Cohasset, along road.
60
Comment
SEINET10887957
Poa tenerrima
Lowell Ahart
2010-5-14
Ahart 16662
Butte
T22N, R2E, northeast 1/4 Section 10. Disc Golf Area, about 200 yards west of the entrance to the Disc Golf Area, west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
351
Comment
CHSC14009
Pogogyne zizyphoroides
G. Notch
1974-4-16
156
Butte
500 yds e of Cherokee Rd. ca 5.5 mi sw of Cherokee.
373
Comment
UC140043
Pogogyne zizyphoroides
Mrs. R. M. Austin
Apr 1896
772
Butte
Chico
Comment
HSC87297
Pogogyne zizyphoroides
Patricia Haberkern
1974-4-21
27
Butte
Off Skyway, .2 mi. E of intersection with Notre Dame Blvd., E of Chico
61
Comment
CDA25320
Polanisia dodecandra subsp. trachysperma
L. Ahart
2002-9-27
9938
Butte
Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 miles southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
Comment
CDA30229
Polygala cornuta
L. Ahart
2009-5-3
15776
Butte
On the south side of Ten Mile House Road, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
Comment
CHSC58938
Polygala cornuta
Lowell Ahart
1992-8-2
6913
Butte
East of the intersection, about 1/2 mile north of Flea Valley, about 4 1/2 (air) miles north-east of Concow Reservoir.
1158
Comment
CHSC70809
Polygala cornuta var. cornuta
B. Castro
1995-7-20
587
Butte
Ca 2 air mi NW of Feather Falls, at western end of Watson Ridge, at W end of USFS Rd 21N25 along trail.
1005
Comment
CHSC89834
Polygala cornuta var. cornuta
L. P. Janeway; B. Castro
2004-6-13
8134
Butte
Northern High Sierra Nevada. Along Old Forbestown Road 2.5 road km southeast of Forbestown Reservoir Road; 3.6 air km east of Forbestown; near headwaters of Costa Creek. South-facing slopes.
829
Comment
RSA699537
Polygala cornuta var. cornuta
R. D. Fischer
2004-4-17
174
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located in riparian zone of Big Chico Creek west of 10 Mile House Road where road and creek are closest.
198
Comment
CDA31969
Polygonum arenastrum
L. Ahart
2009-6-12
15846
Butte
At the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove, Lower Bidwell Park, Chico.
Comment
CHSC43265
Polygonum aviculare
Lowell Ahart
1987-9-24
5893
Butte
On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap.
271
Comment
CHSC103978
Polygonum bidwelliae
Lowell Ahart
2010-5-7
16622
Butte
On the south side of a trail, west of disk golf area, on a ridge about 350 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
353
Comment
JEPS115656
Polygonum bidwelliae
Lowell Ahart
2009-5-30
15806
Butte
On the west side of Guardians Trail, about 50 yards north of Pine Trail, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico
411
Comment
SEINET11934608
Polygonum bidwelliae
Unknown
1988-1
29
Butte
Salmon Hole, ca.5 mi E of Chico Municipal Golf Course
122
Comment
CHSC42123
Polygonum bolanderi
Lowell Ahart
1980-7-20
2480
Butte
On dry soil in a crack in a large bare granite rock, near Bean Creek Road, south of Little Bald Rock, about 15 miles northeast of Oroville.
1005
Comment
JEPS98376
Polygonum bolanderi
Lowell Ahart
2000-9-27
8694
Butte
13 air miles NE of Oroville (N side of Bean Creek Rd, 1/4 mi SE of Little Bald Rock, 1 1/4 air miles NE of Big Bald Rock, 4 air miles NE of Madrone Lake)
1066
Comment
UC204387
Polygonum bolanderi
A. A. Heller
1914-7-22
11584
Butte
Little Summit
1463
Comment
CAS-BOT-BC414372
Polygonum californicum
A. A. Heller
1914-9-4
11763
Butte
Hills 8 miles north of Oroville
Comment
CHSC34777
Polygonum californicum
L. Ahart
1981-11-6
3216
Butte
In one of the open pasture fields on Peter Ahart Ranch, ca. 1.5 mi n and 1 3/4 mi e of Honcut.
50
Comment
CAS-BOT-BC414366
Polygonum californicum
Lowell Ahart
1979-5-29
s.n.
Butte
2 1/2 miles se of Paradise. About 1/4 mi. n of Kunkle Res. & e of Kunkle Cr.
500
Comment
CAS-BOT-BC414416
Polygonum douglasii
H. F. Copeland
1920-7-24
18
Butte
Meadow by Colby Creek
1828
Comment
HSC100820
Polygonum lapathifolium
Lowell Ahart
2011-8-17
17628
Butte
~10 yd. N of the trail, N of the crossing and on the E side of Big Chico Creek, ~50 yd. W of Ten Mile House Rd., Upper Bidwell Park, 3/4 (air) mi. W of Hwy. 32, 10 mi. NE of Chico.
204
Comment
JEPS108947
Polygonum lapathifolium
Lowell Ahart
2006-9-11
13289
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville
431
Comment
CHSC100914
Polygonum minimum
R. A. Schlising; Lawrence Janeway
1988-7-22
4624
Butte
North of Philbrook Lake, near Plumas County line.
1935
Comment
CHSC48664
Polygonum parryi
Vernon Oswald
1986-5-6
1997
Butte
Cohasset ridge along the dirt road paralleling Cohasset Hwy on the south.
457
Comment
CDA2775
Polygonum persicaria
L. Ahart
1999-9-21
8270
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
CHSC38619
Polygonum persicaria
Vernon Oswald
1983-7-8
845
Butte
Upper Bidwell Park, Chico, in the bed of Lindo channel near the flood-control weir.
79
Comment
CHSC39130
Polygonum polygaloides subsp. kelloggii
Robert Schlising; R. Banchero
1980-6-2
3628
Butte
0.1 mi s of jct Humboldt Rd and Skyway/Humbug Rd at Butte Meadows.
1341
Comment
UC465755
Polygonum polygaloides subsp. kelloggii
Mrs. R. M. Austin
July 1896
283
Butte
Colby
Comment
UCR188565
Polygonum punctatum
George K. Helmkamp, E. A. Helmkamp
2007-10-7
13069
Butte
Northern Sacramento Valley, East Gridley Road at the west edge of the Feather River bridge
27
Comment
UCSB63725
Polypodium californicum
Occhino, Deborah
1990-4-22
Butte
S bank Big Chico Creek, vic. police pistol range, SW corner Bidwell Park, Chico
60
Comment
CAS-BOT-BC72032
Polypodium calirhiza
A. A. Heller
1919-3-29
13090
Butte
Feather River near Yankee Hill
533
Comment
CAS-BOT-BC76829
Polypodium glycyrrhiza
James D. Jokerst; M. S. Taylor
1980-11-14
0440
Butte
Slopes adjacent to McCabe Cr. ca. 200 m. E of its jct with Lumpkin Rd.
Comment
CAS-BOT-BC233055
Polypogon interruptus
Lowell Ahart
1977-5-8
s.n.
Butte
Peter Ahart Ranch. Honcut
50
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
RSA0118753
Polypogon interruptus
Lowell A. Ahart
2014-4-16
19369
Butte
On the sides but near the top of a large canal, about 100 yards north of East Gridley Road, on the west side of the Feather River, about 2 miles east of Gridley.
30
Comment
UC1562415
Polypogon interruptus
Lowell Ahart
1990-5-25
6489
Butte
about 1/8 mi nw Enterprise Bridge (across Lake Oroville, below high water line Lake Oroville, e of Enterprise Boat Launch Area); Lake Oroville
259
Comment
SEINET10602418
Polypogon interruptus
A. Arthur Heller
1914-5-19
Heller 11419
Butte
Hills 8 miles north of Oroville.
Comment
SACT002116
Polypogon lutosus
Herbert Copeland
1923/07/00
Butte
Comment
CHSC90805
Polypogon maritimus
Lowell Ahart
2005-5-2
11777
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
JEPS94905
Polypogon maritimus
Lowell Ahart
1998-7-1
8028
Butte
about 7 air mi n of Oroville (20 yards s of a east west fence, at a poor dirt road, about 5/8 mi n of the cow chute along Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road
403
Comment
CHSC8578
Polypogon monspeliensis
B. Hamilton
1969-4-18
34
Butte
Found around sidewalk at Humboldt and Flume Streets, Chico.
Comment
SEINET10530107
Polystichum californicum
Mary Susan Taylor
1980-4-1
Taylor 2419
Butte
T22N R2E sc sec 25. Riparian Woodland along S side of Butte Creek, ca. 1/4 mi downstream from Honey Run Covered Bridge ca. 6 mi E of Chico.
122
Comment
CHSC39300
Polystichum imbricans
Lowell Ahart
1983-7-24
4213
Butte
At the Forbestown Res., about 5 miles north-east of Forbestown.
450
Comment
CDA42713
Polystichum imbricans subsp. imbricans
L. Ahart
2004-6-22
11117
Butte
On the east side of Doe Mill Road, about 1/4 mile southeast of the bridge across Butte Creek, about 2 1/4 miles (air) southeast of Forest Ranch, about 5 miles (air) southwest of Stirling City.
Comment
CHSC84396
Polystichum imbricans subsp. imbricans
Lowell Ahart
2003-7-30
10459
Butte
Along a small stream, on the north side of Little Bald Rock, on the south side of Bean Creek road, about 2 miles (air) southeast of Brush Creek.
1000
Comment
CAS-BOT-BC76651
Polystichum munitum
Javier Penalosa
1962-6-18
2446
Butte
Near confluence of French and Peavine Creeks.
609
Comment
CHSC37655
Polystichum munitum
T. B. Devine
1981-8-25
758
Butte
Beside Hwy 70 near Bear Ranch Creek, along N Fork of Feather River near Cresta.
426
Comment
CAS-BOT-BC102494
Populus fremontii
John Thomas Howell
1961-9-22
36722
Butte
Bank of Feather River, Oroville
53
Comment
CHSC20722
Populus trichocarpa
M. S. Taylor
1975-8-31
896
Butte
Ca. 50 ft s of Humboldt Rd, ca. 1/2 mi e of Butte Meadows.
1341
Comment
JEPS95861
Potamogeton crispus
Lowell Ahart
1999-8-22
8189
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
CHSC75435
Potamogeton diversifolius
Lowell Ahart
1999-6-12
8089
Butte
In a pond, on the west side of the dam, large reservoir north of Beatson Hollow, North Table Mountain, about 2 1/2 miles (air) west of the entrance gates along the west side of Cherokee Road, about 7 miles (air) north of Oroville.
295
Comment
UCR179421
Potamogeton gramineus
W. H. Lang
1954-8-12
s.n.
Butte
Sacramento Valley, Biggs Rice Experimental Station [955 Butte City Hwy(162), 2.5 mi west of Hwy 99]
30
Comment
CHSC8766
Potamogeton natans
S. Chulasmai
1966-3-25
3
Butte
Dredger Pond (3 miles south of Chico).
Comment
CHSC55066
Potamogeton pectinatus
Lowell Ahart
1991-9-14
6724
Butte
In a reservoir, Joie Osgood Ranch, about 2 miles east of Honcut.
45
Comment
CAS-BOT-BC454086
Potamogeton pusillus subsp. tenuissimus
E. B. Copeland
1931-7-20
604
Butte
Jonesville
1650
Comment
SEINET11906804
Potentilla glandulosa var. nevadensis
L. S. Rose
1939-1
39234
Butte
Strawbery Valley,
1219
Comment
SEINET10483224
Potentilla gracilis subsp. nuttallii
Mary Susan Taylor
1978-6-24
Taylor 1666
Butte
Montane Meadow, on N side of Old Humboldt Road, across the road from Butte Meadows; Yellow Pine Forest.
1372
Comment
JEPS117310
Potentilla gracilis var. fastigiata
Lowell Ahart
2010-9-28
17253
Butte
About 20 yards west 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
CHSC38480
Prunella vulgaris var. lanceolata
Vernon Oswald
1983-6-14
686
Butte
Upper Bidwell Park, Chico, beside Yahi Trail e of Brown's Hole.
207
Comment
CHSC52062
Prunella vulgaris var. lanceolata
B. Castro; P. Broyles, R. A. Schlising, L. P. Janeway
1987-7-19
146
Butte
Ca 5.5 mi n of Inskip on e side of Humbug Summit Road ('Skyway' on quad map) opposite Cornelia Lott Sank Memorial Spring.
1536
Comment
CHSC94461
Prunus
Lowell Ahart; Mike G. Womack
2006-8-29
13241
Butte
Near pump 24, about 1/4 mile southwest of Parking Lot 9, about 1 1/2 miles east of Pennington Road, Gray Lodge Wildlife Area (Gray Lodge Waterfowl Management Area).
21
Comment
LA208076
Prunus emarginata
E. B. Copeland;
1931-7-28
650
Butte
Jonesville, W of North Willow Creek
1650.0
Comment
UC481515
Prunus emarginata
H. F. Copeland
1929-6-10
1200
Butte
Jonesville
1524
Comment
CHSC27236
Prunus lusitanica
P. Moyer
1971-11-7
59
Butte
CSUC Campus. E of campus annex next to main door of cafe.
60
Comment
CHSC2809
Prunus serotina
Carl Pejsa
1958-3-15
89
Butte
Bidwell Park Forestry Station.
Comment
HSC60315
Prunus subcordata
J. P. Smith, J. O. Sawyer
1973-4-14
6059
Butte
Cohasset
Comment
CHSC49599
Pseudobahia heermannii
Vernon H. Oswald
1990-1-31
4133
Butte
Lime Saddle Recreation Area, West Fork of Lake Oroville, near Nelson Bar Rd launch area. Just above high-water level of the lake, just east of the end of the road.
274
Comment
JEPS108883
Pseudognaphalium luteoalbum
Lowell Ahart
2005-12-11
12511
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-BC357549
Pseudognaphalium stramineum
Mrs. C. C. Bruce
1897-5-1
2112
Butte
Butte Creek
Comment
CHSC34817
Pseudostellaria sierrae
M. S. Taylor
1981-5-14
3729
Butte
E side of 23N30.2 along rd and ridge, ca. 1 mi se of Bear Ranch Hill, ca. 2 air mi nw of Four Trees on Oroville-Quincy Hwy.
1493
Comment
CHSC26783
Psilocarphus brevissimus var. brevissimus
M. S. Taylor
1978-5-7
1614
Butte
Richvale vernal pool area, ca. 20 mi s of Chico on w side of Hwy 99.
30
Comment
CHSC65894
Psilocarphus brevissimus var. brevissimus
Vernon H. Oswald
1996-4-19
7391
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. Pasture near the S end of the S paddock of Tract 7, Sanctuary II.
32
Comment
JEPS87519
Psilocarphus brevissimus var. multiflorus
Lowell Ahart
1993-5-13
6937
Butte
about 1 3/4 mi n and 1/2 mi e Honcut (large vernal pool e of deep wash, about 12 mi s of Oroville); Peter Ahart Ranch
30
Comment
CAS-BOT-BC361824
Psilocarphus oregonus
Lowell Ahart
1970-5-12
s.n.
Butte
Sutter Buttes Area. Peter Ahart Ranch, Honcut
150
Comment
CAS-BOT-BC361918
Psilocarphus tenellus
Lowell Ahart
1979-5-11
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
SD5471
Psilocarphus tenellus
E. B. Copeland
1931-7-20
Butte
Jonesville
1700
Comment
CHSC12130
Pteridium aquilinum var. pubescens
J. M. Pitts
1972-4-16
122
Butte
6.1 mi ne past Honeyrun Bridge on Humbug Rd.
335
Comment
CHSC29096
Pteridium aquilinum var. pubescens
M. S. Taylor; J. D. Jokerst
1980-4-27
2549
Butte
Ca. 1 mi s of Nimshew, ca. 1/4 mi e of Nimshew Rd.
609
Comment
CHSC44618
Pteridium aquilinum var. pubescens
Vernon Oswald
1983-7-26
915
Butte
Calif. Hwy 32, 11.8 mi n-e of Forest Ranch.
1158
Comment
UCD137841
Pteridium aquilinum var. pubescens
A. A. Heller
1916-9-23
12660
Butte
Sierra foothills near Forest Ranch.
Comment
SEINET10449174
Pterospora andromedea
Mary Susan Taylor
1975-6-30
Taylor 813
Butte
Ca. 500 yds E of Cohasset Hwy, behind Greenwood Store, Cohasset, ca. 18 mi NE of Chico; Yellow Pine Forest.
853
Comment
CHSC60133
Pterostegia drymarioides
B. Castro
1992-5-16
454
Butte
In bottom of unnamed canyon SE of Neal Road, in lava lining the moist S-facing vertical bank of intermittent creek.
71
Comment
CHSC20527
Pyracantha koidzumii
Pamela Caldwell
1971-10-8
Butte
CSUC campus. Bordering front lawn of Administration Bldg.
Comment
JEPS119779
Pyracantha koidzumii
Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-10
18020
Butte
South of Vallombrosa Avenue, about 1/8 mile west of Peterson Drive, Lower Bidwell Park, Chico.
Comment
UC1586496
Pyrola asarifolia
Vernon H. Oswald and Lowell Ahart
1991-8-19
4835
Butte
North side of Forest RD 25N15, between Philbrook Reservoir and Coon Hollow
1767
Comment
SD3521
Pyrola asarifolia subsp. asarifolia
E. B. Copeland
1931-7-1
670
Butte
Jonesville, shady places near streams
1500
Comment
UC709717
Pyrola dentata var. apophylla
H. F. Copeland
1935-7-28
Butte
woods by Mickey's cabin Jonesville; Jonesville, Butte Co.
1550
Comment
UC474250
Pyrola picta
H. F. Copeland
1930-7-21
Butte
Jonesville, below cabin Jonesville
Comment
RSA0083379
Pyrola picta
Kate Conger
1907-1
s.n.
Butte
Brush Creek.
Comment
SEINET8371774
Pyrola picta
E. B. Copeland
1930-7-29
435
Butte
Jonesville.
1600
Comment
CHSC110989
Pyrus calleryana
Lowell Ahart; L. Hanson, S. Bazell, J. Guardino
2012-5-17
18073
Butte
On the west side of a horse trail, about 50 ft. south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico.
76
Comment
JEPS113213
Quercus X morehus
Lowell Ahart
2007-3-28
13599
Butte
West of North Honcut Creek, about 2 1/2 miles north and 2 2/3 miles east of Honcut, about 12 miles southeast of Oroville
51
Comment
CHSC32645
Quercus chrysolepis
M. S. Taylor
1981-3-18
3421
Butte
In shady ravine, n side of Pulga Rd, ca. 1/2 mi e of its jct with Hwy 70 at Pulga Bridge.
487
Comment
CAS-BOT-BC86634
Quercus douglasii
Lowell Ahart
1981-4-24
2781
Butte
Peter Ahart Ranch, near Honcut Creek, about 1.5 mi N and 3 mi E of Honcut
50
Comment
CHSC96643
Quercus douglasii
Lowell Ahart
2007-3-28
13600
Butte
West of North Honcut Creek, about 2 1/2 miles north and 2 2/3 miles east of Honcut, about 12 miles southeast of Oroville.
51
Comment
UCD46725
Quercus kelloggii
Franklin C. Raney
1964-10-10
s.n.
Butte
Ten miles northeast of Feather Falls, Butte County, California.
Comment
CAS-BOT-BC61585
Quercus lobata
A. A. Heller
1915-4-1
11791
Butte
Low flat in the Sacramento valley near Durham
68
Comment
UC1135701
Quercus lobata
H. A. Jensen
1934-10-25
389
Butte
1.5 mi n Penty; Chico Quad., Dry Creek
152
Comment
UC1135714
Quercus lobata
C. G. Albertus
1933-6-14
28
Butte
0.5 mi w 14 Mile House; Chiso Quad.
335
Comment
SBBG50717
Quercus vacciniifolia
J. I. Mallory
1970-8-20
378
Butte
0.75 mi N of Ramsey Bar, ca. 10 mi NE of Stirling City
Comment
CDA19815
Quercus wislizeni var. wislizeni
P. Akers
2002-5-5
s.n.
Butte
Northern California; Table Mtn, Oroville.
359
Comment
CHSC96644
Quercus wislizeni var. wislizeni
Lowell Ahart
2007-3-28
13597
Butte
About 2 1/2 miles north and 2 1/2 miles east of Honcut, about 12 miles southeast of Oroville.
73
Comment
CHSC43630
Rafinesquia californica
Vernon Oswald
1985-5-1
1737
Butte
Upper Bidwell Park, Chico, along Yahi Trail just e of Parking Area R.
228
Comment
SEINET516312
Ranunculus alismifolius var. hartwegii
Vernon H. Oswald
1998-4-30
8985
Butte
Meadow on the north side of Humboldt Rd. just W of Scout Rd. in Butte Meadows.
1326
Comment
POM98907
Ranunculus aquatilis var. capillaceus
C. C. Bruce
1897-04
1892
Butte
[No location data on label]
Comment
CHSC4663
Ranunculus arvensis
R. Carter
1966-4-11
345
Butte
Found ca. 7 mi. E of Oroville at 6120 Woodleaf St. Rt., 300 yds. W off Feathervale, 15 yds. W off Feathervale, 15 yds. W of house; in orchard.
243
Comment
CHSC12179
Ranunculus bonariensis var. trisepalus
Lowell Ahart
1973-3-26
Butte
Peter Ahart Ranch, Honcut.
45
Comment
JEPS123888
Ranunculus bonariensis var. trisepalus
Lowell Ahart
2015-5-5
20138
Butte
About 400 yards south of Larkin Road Boat Lunch Area, near the Thermalito Afterbay, about 1 miles southwest of the Oroville Airport, about 6 miles (air) southwest of Oroville
Comment
RSA0114656
Ranunculus bonariensis var. trisepalus
Lowell A. Ahart
2015-5-5
20138
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
CHSC1478
Ranunculus canus
R. M. Staley
1952-7-5
Butte
Paradise.
548
Comment
CHSC23136
Ranunculus canus
M. S. Taylor
1976-2-12
989
Butte
Ca. 50 yds n of Big Chico Creek, vicinity of Salmon Hole, Upper Bidwell Park, Chico.
243
Comment
JEPS104176
Ranunculus canus
Lowell Ahart
2003-5-28
10228
Butte
Edges of a vernal pool, ca 100 feet w of Hendricks ditch, ca 1 3/4 mi nw of the iron gate and fence, nw of Cherokee Rd, North Table Mountain, ca 7 mi (air) n of Oroville.
271
Comment
POM99857
Ranunculus canus
C. C. Bruce
1897-03
1894
Butte
[No location data on label]
Comment
CAS-BOT-BC378769
Ranunculus canus var. canus
A. A. Heller
1914-4-29
11336
Butte
low ground 12 miles north of Chico; moist shaded places near Pine Creek, 8 miles south of Vina
Comment
UCD96215
Ranunculus hystriculus
T. M. S. Taylor; Devine, M. Merryman
1981-2-11
3382
Butte
50 feet east of Lumpkin Road, on the north slope abvoe Macabes Creek, 2 miles N of junction of Lumpkin Road and Oroville-Quincy Highway (162), 13 miles NE of oroville.
457
Comment
CHSC46068
Ranunculus muricatus
Kirsten Tarp
1983-5-31
286
Butte
Nelson, in lawn in front of the Nelson Post Office.
36
Comment
SD129647
Ranunculus muricatus
Barbara Ertter, Lowell Ahart
1986-4-13
5888
Butte
ca 2 airmiles NNE of Honcut between Oroville and Marysville, Peter Ahart Ranch, mostly sheep pasture
29
Comment
CHSC85402
Ranunculus occidentalis
John Dittes; Josephine Guardino
1992-5-7
477
Butte
Cascade Range Foothills; ca. 5.1 air-miles northeast of Chico City Hall, ca. 1.3 air-miles east by southeast of Horseshoe Lake, ca. 1.2 air-mile west of Hwy 32; north of tributary of Dead Horse Slough, east of Canyon Oaks Golf Course.
176
Comment
SEINET215121
Ranunculus occidentalis var. eisenii
K. Corson
1969-4-6
7
Butte
10 mi E of Chicao on CA Hwy 32
Comment
CHSC537
Raphanus raphanistrum
P. Delaplane
1965-3-27
44
Butte
In field at corner of Cactus and Manzanita. W. side of Cactus. Chico.
30
Comment
CAS-BOT-BC74265
Raphanus sativus
Lowell Ahart
1980-3-22
2048
Butte
Peter Ahart Ranch, Honcut.
50
Comment
SEINET13946284
Rhamnus californica
A. A. Heller
1915-1
11881
Butte
Canyon of Chico creek 5 miles east of Chico
Comment
SEINET10493587
Rhamnus californica subsp. tomentella
Mary Susan Taylor
1981-4-8
Taylor 3505
Butte
T22N R4E north center border sec 12, Pulga SW quad. Serpentine ridge n of logging landing site just w of power lines, 1/2 mi w of Ponderosa Way/Rim Rd, ca. 5 mi n of Jarbo Gap on Hwy 70; n of Oroville. 2900 ft.
884
Comment
UCD111896
Rhamnus ilicifolia
Collector Unknown
1925-5-17
1786
Butte
Marysville.
Comment
RSA712802
Rhamnus rubra
L. P. Janeway
2005-6-26
8434
Butte
South-facing slope 0.4 km. south of top of Batchelor Point, 0.6 km. east of top of Rocky Ridge and Rim Road (Ponderosa Way).
945
Comment
CHSC33791
Rhamnus tomentella subsp. tomentella
M. S. Taylor
1981-7-10
4066
Butte
North side of Feather River Hwy 70 at Pulga Bridge, on large serpentine outcrop, ca. 20 mi ne of Oroville.
487
Comment
CAS-BOT-BC168127
Rhus aromatica
Lowell Ahart
1983-4-10
3927
Butte
About 1 1/2 miles north-east of Highway 99 & Pentz Road
100
Comment
CHSC78320
Rhynchospora capitellata
Lowell Ahart
2000-7-11
8572
Butte
Seeps, on the north side of Lumpkin Ridge Road, upper west branch of Know-nothing Creek, about 1 mile southwest of the intersection of Lumpkin Ridge Road, road to Fall River, and the County Road, about 4 miles (air) northeast of Feather Falls.
1219
Comment
CAS-BOT-BC169094
Ribes inerme var. inerme
A. A. Heller
1915-6-11
12044
Butte
Jonesville in the Sierra Nevada
1676
Comment
UC478512
Ribes inerme var. inerme
E. B. Copeland
1931-5-9
646
Butte
Jonesville
1500
Comment
SEINET10482939
Ribes nevadaense
Mary Susan Taylor
1978-5-6
Taylor 1626
Butte
Along Cohasset Road, ca. 8 mi N of Chico; Foothill Woodland.
137
Comment
CAS-BOT-BC212670
Ribes nevadense
A. A. Heller
1939-4-26
15385
Butte
Near the river at the foot of the grade leading down from Stirling City
Comment
CHSC26784
Ribes nevadense
M. S. Taylor
1978-5-6
1626
Butte
E side of Cohasset Rd, ca. 8 mi n of Chico.
137
Comment
CAS-BOT-BC198960
Ribes roezlii var. roezlii
Jim Riley
1923-3-23
s.n.
Butte
Forest above De Sabla
Comment
CDA25120
Rorippa curvisiliqua
T. C. Fuller
1959-7-6
Butte
East of Highway 99E, 4.5 miles south of Oroville.
0
Comment
CHSC113193
Rorippa curvisiliqua var. occidentalis
Lowell Ahart
2013-11-29
19291
Butte
Below the high water line of Lake Oroville, about 250 yards west of the old road, about 3 1/2 miles (air) northeast of Oroville Dam.
225
Comment
JEPS120597
Rorippa curvisiliqua var. occidentalis
Lowell Ahart
2013-11-17
19261
Butte
McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville.
Comment
CHSC36687
Rorippa curvisiliqua var. orientalis
R. E. Preston
1982-5-19
289
Butte
In meadow; 1/4 mi n of Fall River Campground.
1021
Comment
CDA32007
Rorippa nasturtium-aquaticum
L. Ahart
2009-6-3
15819
Butte
About 100 yards west of the table at the old homestead and about 50 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 air mile southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
Comment
CHSC58894
Rorippa palustris var. occidentalis
Lowell Ahart
1992-4-7
6745
Butte
On the bottom and sides of irrigation ditches, on the south side of the Biggs Princeton Road, about 3 miles west of Biggs.
30
Comment
JEPS108924
Rorippa palustris var. occidentalis
Lowell Ahart
2005-12-11
12509
Butte
On the sides of small ditches, on the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Highway, about 2 1/4 miles (air) east of Biggs
30
Comment
CHSC109649
Rosa californica
Lowell Ahart
2012-5-14
18059
Butte
Just west of Table 16, south of Big Chico Creek, on the north side of the paved path. Lower Bidwell Prk.
77
Comment
CHSC38649
Rosa californica
Vernon Oswald
1983-6-2
600
Butte
Upper Bidwell Park, Chico, near the east boundary of the park. On the bank of Chico Creek.
207
Comment
RSA754877
Rosa californica
L. Ahart
2009-6-19
15942
Butte
Open area north of pond and table, about 50 yards south of Ten Mile House Road, Upper Bidwell Park, about 3/4 air miles southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles NE of Chico.
232
Comment
CHSC38650
Rosa multiflora
Vernon Oswald
1983-5-11
464
Butte
Upper Bidwell Park, Chico, along the s bank of Chico Creek ca. 1000 ft. e of the footbridge at Five Mile Recreation Area.
83
Comment
CHSC1590
Rosa pisocarpa subsp. ahartii
A. Goekler
1928-5-25
Butte
Bidwell Park.
121
Comment
JEPS94329
Rosa pisocarpa subsp. ahartii
Lowell Ahart
1997-8-1
7797
Butte
about 1/4 mi e of Table Mountain (about 8 air mi ne of Stirling City, on the bottom of Little Kimshew Creek); Little Kimshew Creek
1371
Comment
SBBG122707
Rosa pisocarpa subsp. ahartii
B. Errter, L. Ahart
2007-6-23
19074
Butte
Black Bart Rd 1.3 mi from lower jct with Forbestown Rd, ca 10 air-mi ESE of Oroville; ISOTYPE
655
Comment
HSC97124
Rosa woodsii subsp. ultramontana
L. Ahart
2005-7-13
12144
Butte
20 yds. S of intersection of Forbestown Rd. and Black bart Rd., 3.5 air mi. SW of Forbestown, 12 air mi. E of Oroville
749
Comment
JEPS120765
Rotala ramosior
Lowell Ahart
2013-9-20
19059
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
UC1191573
Rotala ramosior
Herbert L. Mason, Verne Grant
1946-9-4
13110
Butte
833 Canal, West Gridley Road West Gridley Road; 833 Canal, West Gridley Road
Comment
CHSC52469
Rubus armeniacus
L. P. Janeway
1987-5-20
2073
Butte
Along hwy 70 1.7 mi NE of Pulga bridge; at Poe Dam, N Fk Feather R.
472
Comment
CHSC52470
Rubus armeniacus
L. P. Janeway
1987-5-20
2067
Butte
Turnout and seepy area on E side of Hwy 70 just S of the 'Rock House' and 0.5 mi S of Jarbo Gap.
670
Comment
UC861595
Rubus glaucifolius
A. A. Heller
1914-7-23
11618
Butte
borders Chico meadows
1219
Comment
SEINET10483574
Rubus laciniatus
Mary Susan Taylor
1980-2-17
Taylor 2362
Butte
T20N R6E ne sec 5. Along a dirt road in Yellow Pine Forest, ca. 1/4 mi SW of Lower Forbestown Road, ca. 3 mi W of Forbestown.
396
Comment
SEINET10483578
Rubus laciniatus
Lowell Ahart, Peter Ahart
1984-6-10
Ahart 4696
Butte
About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown; Yellow Pine Forest; 700 m.
700
Comment
CAS-BOT-BC147204
Rubus parviflorus
Lowell Ahart
1984-6-10
4695
Butte
Along the road about 2 miles south-west of the Forbestown Diversion Dam, north-east of Forbestown
700
Comment
UCD166762
Rubus praecox
Marcel Rejmanek
2016-10-6
2162 e
Butte
By Richvale East Rd, right before the intersection with Highway 99.
Comment
JEPS122191
Rubus ursinus
Lowell Ahart
2014-4-16
19365
Butte
On the sides but near the bottom of a large canal, about 100 yards north of East Gridley Road, on the west side of the Feather River, about 2 miles east of Gridley.
Comment
UCD89071
Rubus ursinus
Lindsay Clark
2008-5-30
BWP 22
Butte
Bidwell Park in Chico, along Yahi trail between parking lots G and H (Alligator Hole and Day Camp).
89
Comment
CHSC32114
Rumex acetosella
L. Ahart
1977-5-2
1346
Butte
On banks of North Honcut Creek, 3 mi ne of Honcut.
60
Comment
CHSC111172
Rumex conglomeratus
Lowell Ahart
2013-6-18
18805
Butte
About 60 yards west of Parking Lot 14, Gray Lodge Wildlife Management Area, about 7 miles (air) southwest of Gridley.
19
Comment
UCD101106
Rumex conglomeratus
W. R. Powell
1968-5-6
1480
Butte
1.8 miles north-northeast of Bangor.
342
Comment
UC204581
Rumex crispus
A. A. Heller
1914-7-23
11595
Butte
Chico Meadows Sierra Nevada
1219
Comment
CAS-BOT-BC421614
Rumex crispus
John Thomas Howell
1962-6-15
37476
Butte
Magalia
731
Comment
CAS-BOT-BC421623
Rumex crispus
Lowell Ahart
1980-5-10
2233
Butte
Peter Ahart Ranch, Honcut
50
Comment
SEINET10479778
Rumex obtusifolius subsp. agrestis
Mary Susan Taylor
1982-8-16
Taylor 4987 A
Butte
T24N R4E sw/se sec 28. Paradise NE quad. S end of Stirling City, along both sides of the Skyway. Mixed Evergreen Forest; 3400 ft.
1036
Comment
CHSC29737
Rumex pulcher
J. D. Jokerst
1980-5-28
802
Butte
Top of North Table Mt, S of Cherokee Rd.
403
Comment
CAS-BOT-BC433779
Rumex pulcher
Lowell Ahart
1979-6-2
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
SEINET10530982
Sabina californica
A. Arthur Heller
1939-12-10
Heller 15486
Butte
Neal Road 3 km above the junction with the Oroville road.
150
Comment
CHSC90800
Sagina decumbens subsp. occidentalis
Lowell Ahart
2005-5-2
11776
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
CHSC24811
Sagittaria montevidensis subsp. calycina
E. L. Rilla
1976-9-18
26
Butte
Marsh, .5 mi s of Gridley Rd on Pennington Rd in the Gray Lodge Waterfowl Management Area. Bench Marker 72, 1 mi directly w of collection area.
21
Comment
UCD150366
Sagittaria montevidensis subsp. calycina
William Anderson
1964-8-15
s.n.
Butte
Richvale-Oroville Rd.
Comment
RSA0045618
Salix exigua var. hindsiana
Lowell A. Ahart
2012-4-9
17828
Butte
East of the cement dam in Big Chico Creek, west of South Rim Trail, south part of Upper Bidwell Park, about 2 miles (air) northeast of Chico.
111
Comment
UC1134902
Salix exigua var. hindsiana
C. G. Albertus
1933-6-6
19
Butte
1 mi nw Nelson's Bar; Chico Quadrangle
Comment
JEPS119640
Salix gooddingii
Lowell Ahart
2012-4-3
17803
Butte
Peter Ahart Ranch, about 1 1/4 miles north and 2 3/4 miles east of Honcut, about 12 miles southeast of Oroville.
Comment
CAS-BOT-BC104072
Salix hindsiana
Gordon H. True
1971-4-8
6452
Butte
Gray Lodge Wildlife Area, Valley Grassland, 7 miles southwest of Gridley
24
Comment
CAS-BOT-BC104081
Salix hindsiana
A. A. Heller
1914-5-13
11397
Butte
near Butte Creek on the road between Durham and Nelson, along the Sacramento River
Comment
CAS-BOT-BC129587
Salix lasiolepis var. lasiolepis
Lowell Ahart
1982-5-8
3408
Butte
Near the Forbestown Res, about 1 mile south-west of the Forbestown Res., about 4 miles north-east of Forbestown.
800
Comment
CAS-BOT-BC129621
Salix lasiolepis var. lasiolepis
Javier Penalosa
1962-6-18
2441
Butte
Near confluence of French and Peavine Crks.
609
Comment
CAS-BOT-BC124576
Salix lemmonii
E. B. Copeland
1931-8-1
620
Butte
Jonesville, about the Lily Pond
1700
Comment
SBBG29070
Salix lemmonii
E. B. Copeland
1931-8-1
Butte
Jonesville
1700
Comment
UC478538
Salix lemmonii
E. B. Copeland
1931-6-11
313
Butte
Kirby's Meadow Jonesville
1750
Comment
LA208913
Salix scouleriana
E. B. Copeland;
1931-7-30
sn
Butte
Jonesville
1550.0
Comment
SD923
Salix scouleriana
E. B. Copeland
1931-7-30
624
Butte
Jonesville, woods
1550
Comment
CAS-BOT-BC221110
Salvia sonomensis
Mrs. C. C. Bruce
1897-4-1
1983
Butte
Forest ranch
Comment
SD6666
Salvia sonomensis
Mrs. R. M. Austin
Butte
Comment
SEINET10465314
Sambucus caerulea
Mary Susan Taylor
1974-4-30
Taylor 198
Butte
Along Cohasset Road, NE of Chico.
Comment
SEINET10465318
Sambucus mexicana
Lowell Ahart, Peter Ahart
1983-7-29
Ahart 4254
Butte
T22N R7E nw sec 31. Ca. 2 mi e of Milsap Bar, ca. 25 mi ne of Oroville. Yellow Pine Forest; 900 m.
900
Comment
RSA0036028
Sambucus nigra subsp. caerulea
Lowell A. Ahart
2012-7-5
18280
Butte
On the south side of Big Chico Creek, east of the Deer Pen, between Table 12 & 13, Lower Bidwell Park, Chico.
65
Comment
SEINET10940264
Samolus parviflorus
Lowell Ahart
1984-7-25
Ahart 4762
Butte
Along the wet edges of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 3 miles east of Honcut, about 12 miles south of Oroville.
Comment
JEPS119612
Sanicula bipinnata
Lowell Ahart
2012-4-9
17826
Butte
About 20 yards southeast of Big Chico Creek, on the northwest side of South Rim Trail, south part of Upper Bidwell Park, about 3/4 mile east of the power lines, about 1 3/4 miles (air) northeast of Chico.
Comment
SFV11651
Sanicula bipinnata
M. L. Vincent
1964-4-9
534
Butte
1.5 miles south of Pearson Road on Clark Road.
Comment
CHSC87802
Sanicula bipinnatifida
Paul Maslin
2004-4-15
19
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). UTM: 10610518E 4411342N.
316
Comment
POM82754
Sanicula bipinnatifida
C. C. Bruce
1897-05
2052
Butte
Little Chico
Comment
HSC32653
Sanicula bipinnatifida
Patricia Datzman
1974-4-20
22
Butte
Cherokee Mtn. Rd., 2 mi. S of Cherokee
Comment
SEINET10454569
Sanicula bipinnatifida
Lowell Ahart, Peter Ahart
1984-6-10
Ahart 4715
Butte
About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown; Yellow Pine Forest; 700 m.
700
Comment
POM133553
Sanicula crassicaulis
A. A. Heller, H. E. Brown
1902-5-8
5506
Butte
Berry Canyon (near Clear Creek)
Comment
CHSC118584
Sanicula tuberosa
L. P. Janeway; Emily doe, Cynthia Baricevic
2017-4-27
12193
Butte
Northern High Sierra Nevada. Plumas National Forest; top of west-facing serpentine outcropping above Little Butte Creek 0.4 km south of Paradise Lake dam.
762
Comment
CHSC31002
Sanicula tuberosa
M. S. Taylor; R. Schlising
1980-7-6
3079
Butte
On s side of Old Humboldt Rd, on rocky slope beneath power lines, ca. 0.9 mi w of Butte Meadows.
1341
Comment
CHSC43660
Sapium sebiferum
Vernon Oswald
1987-8-15
3220
Butte
Butte Creek Reserve, on the n side of Butte Creek e of the Skyway, e of Chico. On the edge of the creek.
73
Comment
CHSC36298
Saponaria officinalis
M. S. Taylor
1982-8-16
4987
Butte
S end of Stirling City along both sides of the Skyway.
1036
Comment
CAS-BOT-BC466335
Sarcodes sanguinea
John Copeland
1931-7-1
671
Butte
Jonesville
1550
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
CHSC4657
Saxifraga californica
R. Carter
1966-3-3
292
Butte
Found along N side Oregon Gulch Rd. ca. 3 mi. NE of southern intersection with Old Cherokee Rd., ca. 4 mi. NE of Oroville; road bank.
213
Comment
SEINET10838427
Saxifraga fallax
Mary Susan Taylor
1979-5-4
Taylor 1989
Butte
Along Millsap Bar Road, 4 mi NE of its junction with Brush Creek Road, ca. 26 mi NE of Oroville; Yellow Pine Forest.
1006
Comment
CDA31948
Scandix pecten-veneris
L. Ahart
2009-4-26
15613
Butte
Upper Bidwell Park, on the west side of Highway 32, west of the parking area at the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
Comment
CHSC114939
Scandix pecten-veneris
Lowell Ahart
2015-4-13
20040
Butte
Gold mined area on the south side of the road on the boat ramp, Vinton Gulch, about 10 miles (air) north of Oroville. Foothill Woodland.
307
Comment
CHSC37094
Sceptridium multifidum
L. Ahart
1982-9-13
3817
Butte
Along mined edge of Pinkard Creek, ca. 1/8 mi n of Lost Creek Reservoir Dam, ca. 2.2 mi nw of Strawberry Valley.
1100
Comment
UCD50073
Schoenoplectus acutus var. occidentalis
Herbert L. Mason; Verne Grant
1946-8-7
12993
Butte
Big pond near river, Grey Lodge Game Refuge; Gridley Road north of Butte Sink, Butte County.
Comment
UCD49962
Schoenoplectus mucronatus
Carl Wick
1983-6-1
s.n.
Butte
CA. Butte Co.
Comment
SEINET13711019
Scirpus cernuus
Lowell William Ahart, Lowell William Ahart
2000-1
8390
Butte
12 Air Mi. SSE of Oroville (T17N, R4E, sec 11, SE 1/4) 130 Ft.
40
Comment
CAS-BOT-BC22406
Scirpus congdonii
Lowell Ahart; V. Oswald
1987-7-1
3083
Butte
Cluster of snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of Butte-Plumas county line,
1935
Comment
CHSC56809
Scirpus congdonii
L. P. Janeway; R. A. Schlising, B. Castro, Pauleen Broyles
1987-7-19
2492
Butte
Wet meadow along Skyway (Humbug Summit Road) ca 5 1/2 mi north of Inskip; at the Cornelia Lott Sank Memorial Spring.
1539
Comment
CHSC41303
Scirpus diffusus
S. C. Morey
1983-7-22
539
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
1414
Comment
UC1609267
Scirpus microcarpus
Lowell Ahart
1993-7-6
7053
Butte
about 1/4 mi w Lost Creek Reservoir; w of Lost Creek Reservoir
1036
Comment
SEINET10905684
Scirpus setaceus
Lowell Ahart, Peter Ahart
1983-6-12
Ahart 4047
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
SEINET10537483
Scleranthus annuus
Lowell Ahart
1983-4-1
Ahart 3915
Butte
In Dark Canyon along old Hwy 40 s of its jct with Hwy 70, ca. 4 mi s of Jarbo Gap, ne of Oroville. Foothill Woodland; 350 m.
350
Comment
CHSC35035
Scleranthus annuus subsp. annuus
R. A. Schlising
1981-4-11
4024
Butte
Along Hwy 32 S of Forest Ranch. Immediate roadside.
Comment
CHSC30031
Scribneria bolanderi
L. Ahart
1980-5-4
2212
Butte
About 50 m sw of the intersection of Forbestown Rd and Hurleton Swedes Flat Rd, ca. 1/2 mi se of Hurleton.
600
Comment
CHSC6076
Scribneria bolanderi
B. Wilson
1968-4-19
177
Butte
2 mi s of Cherokee on Table Mountain.
Comment
JEPS117411
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
CHSC43842
Scutellaria californica
B. Castro
1987-5-9
86
Butte
Just e of Cohasset Rd, 9.5 mi by road from Chico.
539
Comment
CHSC65571
Scutellaria siphocampyloides
R. Banchero
1980-5-31
166
Butte
Ca 2.3 mi NE of jcn of Keefer Rd and Cohasset Rd, ca 3.9 mi SW of Cohasset. Ca 0.1 mi NW of road.
182
Comment
SFV5836
Scutellaria siphocampyloides
M. L. Vincent
1968-6-5
768
Butte
1 mile south of Cherokee on road to Oroville. Roadside at old Campbell Ranch.
410
Comment
CHSC31155
Scutellaria tuberosa
M. S. Taylor
1979-5-4
1995
Butte
Millsap Bar Campground, ca. 9 mi ne of the jct of Millsap Bar Rd and Brush Creek Rd, ca. 26 mi ne of Oroville.
1005
Comment
SEINET12326930
Scutellaria tuberosa
Unknown
1981-1
14
Butte
ca 150 m W of Butte Creek & 1.2 km N of Magalia Reservoir, 2.5 km N of Magalia
735
Comment
CHSC3149
Sedella pumila
Gary Dutton
1966-4-23
229
Butte
Found on Hwy. 32, 9 miles from Chico Forest Ranch Road.
Comment
CHSC87314
Sedella pumila
Lowell Ahart
2004-2-7
10699
Butte
In a depression, large rocks to the south, about 1 mile northeast of the Honcut Cemetery, about 4 miles (air) northeast of Honcut, about 12 miles (air) southeast of Oroville.
71
Comment
CAS-BOT-BC416976
Sedella pumila
Herbert L. Mason
1941-4-6
12409
Butte
Three miles S of Chico near junction of road to Paradise
91
Comment
RSA325147
Sedella pumila
M. S. Taylor, L. Ahart, J. D. Jokerst
1984-4-8
5141
Butte
North Table Mt., 8 miles N of Oroville.
373
Comment
SD67709
Sedella pumila
A. A. Heller
1926-4-19
13923
Butte
Along the Chico-Oroville Road, ca. 7.0 miles from Chico.
Comment
UCD101975
Sedella pumila
R. J. Goedl
1979-4-16
20
Butte
3.5 miles east of Highway 99 and Chico, 20 feet N of Skyway.
213
Comment
CAS-BOT-BC59135
Sedum spathulifolium
Lewis S. Rose
1963-6-2
63075
Butte
2 miles South of Pulga, North Fork Feather River.
579
Comment
CHSC3427
Sedum spathulifolium
Judy Potter
1966-4-17
214
Butte
Skyway, 6 miles NE Humbug Road.
Comment
CHSC4666
Sedum spathulifolium
R. Carter
1966-4-11
332
Butte
Found Ca. 1 mi. E of Bidwell Bar along R.R. tracks, just W of R.R. bridge over S Fork.
152
Comment
CHSC90027
Sedum spathulifolium
Ross Rowland
2001-4-2
31
Butte
On edge of cliff at end of Billie Trail, about 50 yards below park bench, in Billie Park, Paradise. 617180mE/4403680mN/zone 10N.
487
Comment
SEINET12215938
Sedum spathulifolium
Unknown
1972-1
7
Butte
P.G.& E. stop, ca 1/2 mi N of Bear Creek where it flows into the N fork of the Feather River
183
Comment
HSC66337
Selaginella hansenii
M. S. Taylor
1980-3-8
2370
Butte
Shady train 100 ft. SW of Pulga Bridge over Hwy. 70, 28 mi. NE of Oroville
488
Comment
CAS-BOT-BC363286
Senecio aronicoides
E. B. Copeland
1929-7-14
498
Butte
Jonesville
1650
Comment
CHSC28495
Senecio aronicoides
M. S. Taylor; J. D. Jokerst
1979-7-21
2163
Butte
Humboldt Peak, at Humboldt Summit.
2133
Comment
CHSC89481
Senecio eurycephalus var. lewisrosei
Jenny Marr
1994-7-6
212
Butte
Located in the mountains above Oroville, off Oro-Quincy Hwy., along Bloomer Hill Road.
457
Comment
CDA34707
Senecio sylvaticus
L. Ahart
2010-5-2
16707
Butte
On both sides of Yahi Trail, east of the dirt road, west of Big Chico Creek, Upper Bidwell Park, about 6 miles (air) northeast of Chico.
Comment
CHSC87434
Senecio sylvaticus
R. D. Fischer
2004-4-5
97
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Collected near drainage at bottom of Pine Trail, near the junction of Guardian Trail.
396
Comment
JEPS122147
Senecio sylvaticus
Lowell Ahart
2014-8-13
19706
Butte
About 120 yards east of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
SBBG128460
Senecio sylvaticus
L. Ahart
2012-4-9
17843
Butte
high E cliff edge of Big Chico Crk, ca. 20 yards W of S Rim Trail, S part of Upper Bidwell Park, ca. 2.5 mi NE of Chico
206
Comment
CHSC40490
Senecio triangularis
Lowell Ahart
1985-7-9
5117
Butte
Along Fall River, about 100 yards south of the bridge across Fall River, about 1/2 mile west of Lumpkin Ridge Road, about 2 1/2 miles north-east of Camp 18, about 9 miles north-east of Feather Falls.
914
Comment
CHSC51857
Senecio triangularis
L. P. Janeway
1987-7-5
2452
Butte
0.4 mi E on a spur rd from th Concow Rd, which is 1.0 mi SW of Jones Mdw.
1798
Comment
CHSC419
Senecio vulgaris
M. Roberson
1956-4-7
Butte
SW of Paradise, along Skyway.
426
Comment
CHSC27251
Sequoia sempervirens
P. Moyer
1971-10-2
29
Butte
CSUC Campus. On n side of L.S. Bldg.
60
Comment
SEINET10509037
Setaria geniculata
Mary Susan Taylor
1977-10-10
Taylor 1509
Butte
In drying irrigation ditch on S side of Crauch Rd, ca. 300 ft W of its junction with Lone Pine Ave, ca. 4 mi S of Chico.
30
Comment
CHSC37371
Setaria gracilis
R. A. Schlising
1981-9-20
4202
Butte
Richvale Vernal Pools, 1/4 mi s of jct Hwy 162 to Oroville and Hwy 99, along latter and across from Thermalito Afterbay.
Comment
CDA2440
Setaria parviflora
L. Ahart
2000-5-17
8365
Butte
About 1/10 mile north of the Richvale Highway, about 1/2 mile east of Highway 99, about 7 1/2 miles (air) west of Oroville. On the south margin of Thermalito Afterbay, on the north side of the poor dirt road.
Comment
JEPS117629
Setaria viridis
Lowell Ahart
2010-9-24
17237
Butte
Near the southwest edge of the Golf Course, about 10 yards south of the footbridge, along trail from the end of Centennial Avenue to the footbridge across Big Chico Creek, Bidwell Park
91
Comment
JEPS103541
Sibara virginica
Lowell Ahart
2002-3-28
9455
Butte
In a rice field, on the N side of Gridley Road, ca 5 miles W of Gridley.
21
Comment
POM193377
Sibbaldia procumbens
E. B. Copeland
1930-7-6
418
Butte
Jonesville.
2000
Comment
CHSC34962
Sidalcea calycosa
M. J. Lavelle; R. Schlising
1975-10-4
8
Butte
Small population in field at NE corner of East Avenue and Mariposa Avenue in Chico.
60
Comment
UC176926
Sidalcea calycosa
A. A. Heller
1912-5-23
10751
Butte
Table Mountain Olive Ranch n Oroville; n of Oroville, Table Mountain
Comment
SEINET10904427
Sidalcea calycosa
Mary Susan Taylor
1980-3-28
Taylor 2408
Butte
T22N R2E north center border sec 30. Vernal pool area in Valley Grassland, just E of Chico, between Humboldt Rd, cand Hwy 32, ca. 1/4 mi E of Forest Ave., ca. 1.5 mi E of Hwy 99; area soon to be developed. With J.D. Jokerst.
76
Comment
CDA31995
Sidalcea calycosa subsp. calycosa
L. Ahart
2008-5-23
15764
Butte
Along a small drainage, on the west side of Guardians Trail, just northwest of Pine Trail, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico
Comment
CHSC10820
Sidalcea diploscypha
Lowell Ahart
1972-5-20
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC100866
Sidalcea gigantea
B. Castro; David Toren
2005-7-21
1520
Butte
Ca 9 air mi NE of Paradise, and 2.5 mi NE of Flea Mtn, at the crossing of Lockerman Ck by USFS Rd 24N13. Ca 200 ft from W edge of ck.
950
Comment
CHSC61324
Sidalcea gigantea
Lowell Ahart
1993-7-22
7083
Butte
On gravel bar along Fall River, west of the bridge across Fall River, about 6 (air) miles north-east of Feather Falls.
1036
Comment
UCR133587
Sidalcea glaucescens
H. F. Copeland
1930-7-20
1335
Butte
Jonesville
1524
Comment
UCD116651
Sidalcea glaucescens
H. F. Copeland
1930-7-20
s.n.
Butte
Jonesville.
1524
Comment
CHSC90977
Sidalcea hartwegii
Lowell Ahart
2005-5-11
11808
Butte
Along Hendricks Ditch, near a small stream, open pasture field, about 1 1/4 miles south of Beatson Hollow, about 1 1/2 miles southwest of the poor dirt road off of Cherokee Road, south part of North Table Mountain, about 7 miles (air) north of Oroville.
276
Comment
POM84284
Sidalcea hartwegii
C. C. Bruce
1897-05
1922
Butte
[No location information on label.]
Comment
UC398675
Sidalcea hartwegii
A. A. Heller
1927-5-7
14366
Butte
along Little Chico Creek (in the gravelly bed of Little Chico Creek); along Little Chico Creek
Comment
CHSC71183
Sidalcea hirsuta
Lowell Ahart
1998-6-3
7975
Butte
About 1/4 mile north of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
RSA715558
Sidalcea hirsuta
L. Ahart
2005-5-11
11792
Butte
South part of North Table Mountain, about 200 yards northwest of the poor dirt road off of Cherokee Road, about 200 yard south of the rim into Beatson Hollow, about 7 miles (air) north of Oroville.
359
Comment
JEPS104599
Sidalcea malviflora
Lowell Ahart
1993-10-3
7269
Butte
W branch of Wildcat Creek, about 2 mi NE of Coyote Gap
1402
Comment
CAS-BOT-BC213191
Sidalcea robusta
Mrs. J. H. Morrison
1934-5-8
s.n.
Butte
Durham
Comment
RSA88031
Sidalcea robusta
C. L. Hitchcock
1952-5-28
19535
Butte
Along Paradise-Durham Road about 5 miles south of Paradise
Comment
CDA13245
Silene californica
G. F. Hrusa, T. D. Wilfred
1996-7-8
13092
Butte
Plumas National Forest; Near Old Railroad Grade Rd., Paradise Lake Dam, approx. 3 m. N of Magalia.
Comment
RSA3433
Silene californica
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CHSC101162
Silene gallica
Lowell Ahart
2009-5-15
15690
Butte
On the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
203
Comment
CAS-BOT-BC389012
Silene laciniata subsp. californica
Lowell Ahart
1989-5-29
6313
Butte
Along the road to the Forbestown Reservoir, about 1/2 mile south-west of the Forbestown Reservoir, about 4 miles north-east of Forbestown
548
Comment
CHSC11073
Silene laciniata subsp. californica
Lowell Ahart
1966-5-10
Butte
Bidwell Bar.
152
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
CHSC24673
Silene laciniata subsp. californica
S. Deaton
1976-4-14
17
Butte
Ca. 2 1/2 mi n of Feather Falls parking lot, 15 ft off nw side of Falls trail.
853
Comment
UC600620
Silene occidentalis subsp. longistipitata
H. F. Copeland
1924-8-11
880
Butte
Jonesville
Comment
RSA0002350
Silene occidentalis subsp. longistipitata
E. B. Copeland
1930-7-28
635
Butte
Jonesville.
1550
Comment
SEINET10537666
Silene occidentalis subsp. occidentalis
Mary Susan Taylor
1982-8-16
Taylor 5000
Butte
T24N R4E se/sw sec 1. Pulga NW quad. Along rd from Bald Mt to High Rock Ravine, ca. 4 air mi ne of Stirling City. Mixed Coniferous Forest; 5600 ft.
1707
Comment
CHSC81465
Silybum marianum
Petra M. Lee
2000-4-30
Butte
Chico. 1/2 mile NW of Horseshoe Lake in Upper Bidwell Park.
91
Comment
CAS-BOT-BC75277
Sisymbrium officinale
John Thomas Howell
1962-6-15
37482
Butte
Sierra Nevada. Magalia.
731
Comment
CHSC11380
Sisymbrium officinale
Lowell Ahart
1972-5-20
Butte
Peter Ahart Ranch, Honcut.
45
Comment
POM253045
Sisyrinchium bellum
A. A. Heller
1938-7-20
15285
Butte
Upper end of Snag Lake, 7 miles east of Chaparral.
1524
Comment
CHSC109770
Solanum americanum
Lowell Ahart
2012-10-20
18514
Butte
South of Table 34, west of Cedar Grove, Lower Bidwell Park, Chico.
68
Comment
CHSC76293
Solanum americanum
Lowell Ahart
1999-9-18
8261
Butte
Idle rice field, Peter Ahart Ranch, about 2 miles north and 1/4 mile east of Honcut, about 12 miles south of Oroville.
30
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
CHSC39934
Solanum parishii
M. S. Taylor; L. Ahart, J. Jokerst
1984-4-6
5413
Butte
Ca. 0.5 mi N of Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 3 mi S of Paradise.
Comment
UCD126974
Solanum parishii
A. A. Heller
1915-4-12
11814
Butte
Butte County. 14 miles northeast of Chico near Rock creek.
Comment
JEPS108860
Solanum umbelliferum
Lowell Ahart
2006-5-19
12633
Butte
Road bank, on the west side of the dirt road, Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga
405
Comment
CAS-BOT-BC365383
Solidago elongata
A. A. Heller
1914-8-6
11639
Butte
Sierra Nevada at Chico Meadows
1219
Comment
CHSC101157
Soliva sessilis
Lowell Ahart
2009-5-15
15694
Butte
In the center of Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
311
Comment
CHSC107121
Soliva sessilis
L. P. Janeway
2011-4-26
10237
Butte
Sacramento Valley. Oroville; in gravel parking area at east side of Feather River Ranger District office (875 Mitchell Ave.)
59
Comment
CHSC43637
Soliva sessilis
Vernon Oswald
1985-4-28
1725
Butte
Upper Bidwell Park, Chico, at Parking Area P (between Salmon Hole and Devil's Kitchen).
207
Comment
CHSC8152
Sonchus oleraceus
K. Henegar
1969-5-15
82
Butte
Cohasset Road, 1/2 m s of Chico Municipal airport; along w side of road.
Comment
JEPS115664
Sonchus oleraceus
Lowell Ahart
2009-5-30
15791
Butte
By a small rock 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 Highway 32, about 10 miles northeast of Chico
269
Comment
JEPS124183
Sonchus oleraceus
Lowell Ahart
2015-1-27
19923
Butte
Northwest of intersection of Hazel Street and Virginia Street, Gridley.
Comment
CHSC66157
Sonchus tenerrimus
Vernon H. Oswald; Lowell Ahart
1996-5-27
7670
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the S paddock of Tract 7, Sanctuary II.
32
Comment
SEINET8408351
Spartium junceum
Richard R. Halse
2006-8-3
6987
Butte
Along State Hwy. 32 ca. 16.3 miles northeast of Chico, near junction with Platte Mountain Road.
1000
Comment
CHSC82262
Spergula arvensis subsp. arvensis
Lowell Ahart
2002-4-24
9527
Butte
Vernal pools and swales, in a field, on the east side of Lone Tree Road, about 1 1/8 miles north of Cox Lane, about 3 miles (air) southwest of Palermo, about 7 miles (air) south of Oroville.
35
Comment
JEPS103379
Spergula arvensis subsp. arvensis
Lowell Ahart
2002-4-24
9527
Butte
7 air mi S of Oroville (E side of Lone Tree Road, 1 1/8 mi N of Cox Lane, 3 air mi SW of Palermo)
35
Comment
CHSC102718
Spergularia bocconi
Lowell Ahart
2009-7-3
15986
Butte
On the north side of the road, 30 yards west of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 30 yards east of Cedar Grove, Lower Bidwell Park, Chico.
67
Comment
CHSC94064
Spergularia bocconi
R. D. Fischer
2005-6-12
741
Butte
Sierra Nevada foothills, off Hwy. 32, about 3 miles east of Chico at the east end Humboldt trailhead in Bidwell Park. Collection made off thin Tuscan mudflow in open area near trailhead.
407
Comment
CAS-BOT-BC149710
Spiraea splendens
E. B. Copeland
1931-6-19
649
Butte
Jonesville
2100
Comment
CHSC99477
Spiranthes porrifolia
Lowell Ahart
2008-6-13
14825
Butte
Small meadow, bottom of an old gold mined area, about 350 yards southwest of the cemetery, about 50 yards north of Oregon gulch, about 10 miles (air) northeast of Oroville.
305
Comment
SEINET10470127
Spiranthes porrifolia
Mary Susan Taylor, Lowell Ahart
1981-8-16
Taylor 4204 B
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
RSA713021
Sporobolus creber
L. Ahart
2005-10-22
12462
Butte
Daley Ranch, about 1 mile northeast of Honcut, about 13 miles south of Oroville.
34
Comment
CAS-BOT-BC236692
Sporobolus cryptandrus
Vernon Oswald
1989-6-8
3802
Butte
Hwy 70, ca. 0.5 mi n of Truex Road, n of the Hwy 70 bridge over the North Fork of teh Feather River
408
Comment
CDA13320
Stachys ajugoides
G. F. Hrusa, T. D. Wilfred
1996-7-9
13166
Butte
Sierra Nevada; approx. 0.4 m. E of bridge over Marble Creek on USFS N60.
Comment
UC2055628
Stachys pycnantha
C. Epling, Mrs. Epling
Aug 1, 1935-Aug 15, 1935
Butte
Bidwell Park.
Comment
CAS-BOT-BC175316
Stellaria borealis subsp. sitchana
A. A. Heller
1928-6-20
14660
Butte
At Butte Meadows
Comment
CHSC11852
Stellaria longifolia
E. B. Copeland
1931-1-1
638
Butte
Jonesville. In meadows.
1500
Comment Read comments May 18 2006
JEPS121997
Stellaria longifolia
Lowell Ahart
2014-7-13
19649
Butte
About 100 yards southeast of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
CAS-BOT-BC391087
Stellaria longipes subsp. longipes
H. F. Copeland
1920-7-8
31
Butte
Jonesville
1219
Comment
CHSC105968
Stellaria media
Lowell Ahart; John Dittes
2009-3-20
15507
Butte
Open area west of the Guardian Rock Trail, about 175 yards southwest of the Ten Mile House Road, Upper Bidwell Park, about 10 miles northeast of Chico.
407
Comment
CAS-BOT-BC395116
Stellaria nitens
Lowell Ahart
1990-3-19
6423
Butte
Along S side of Pacific Heights Road, about 3.5 miles SW of Oroville
36
Comment
CHSC84403
Stephanomeria paniculata
Lowell Ahart
2003-8-6
10475
Butte
In the road gutter on the east side of Encina Grande Road, just south of a small branch of Canyon Creek, about 1 mile west of Oroville Quincy Highway, about 2 1/2 miles (air) southwest of Berry Creek.
632
Comment
UC1586575
Stephanomeria paniculata
Lowell Ahart
1991-8-25
6704
Butte
On the north side of the dirt road, Forest Road 23N60 (Jordan Creek-Marble Creek Road) east of Marble Creek, about 6 miles (air) northeast of Brush Creek.
1097
Comment
SEINET10508406
Stipa stillmanii
Lowell Ahart, Peter Ahart
1983-6-30
Ahart 4190
Butte
T23N R4E ne sec 4. Ca. 1.5 mi se of Stirling City along road. Yellow Pine Forest; 1100 m.
1100
Comment
CAS-BOT-BC86997
Streptanthus diversifolius
Richard Johnson
1950-4-16
s.n.
Butte
Table Mountain, 5 miles north of Chico.
Comment
CHSC39964
Streptanthus longisiliquus
L. Ahart; P. Ahart
1983-6-30
4187
Butte
Along edge of dirt road, ca. 3 mi se of Stirling City, on w side of West Branch of Feather River.
1100
Comment
UC1613876
Streptanthus longisiliquus
B. Castro and L. P. Janeway with J. Jurewicz
1993-7-6
465
Butte
ca. 2.5 mi. s.-s.w. Big Bar Mt. (on n. side of U.S.F.S. RD. 22N84 ca. 1.1 mi. n. & e. of its junction with major spur rd. (Rd. 22N84A) on upper slopes of ridge); Berry Creek quad.
1005
Comment Read comments Sep 22 2007
CAS-BOT-BC87439
Streptanthus polygaloides
Lowell Ahart
1988-5-30
6034
Butte
Along Poe Powerhouse Road, about 0.1 mile north of the bridge across the North Fork of the Feather River.
365
Comment Read comments Sep 7 2020
UC1176843
Streptanthus polygaloides
Lewis S. Rose
1955-6-14
55094
Butte
open slopes Magalia
731
Comment
UCD116109
Streptanthus polygaloides
R. E. Preston
1982-6-2
291
Butte
0.7 mile northeast of Lime Saddle Powerhouse, 4.5 miles southeast of Paradise.
304
Comment
SEINET10448517
Streptanthus polygaloides
Lowell Ahart
1985-5-15
Ahart 4975
Butte
West of Lunt Road, about 1/2 mile north of the inter- section of Lunt Road and Highway 70, north of Yankee Hill, N of Oroville.
Comment
CHSC116998
Streptanthus tortuosus var. pallidus
Lowell Ahart
2016-6-4
20917
Butte
On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown.
387
Comment
CAS-BOT-BC48057
Styrax redivivus
M. S. Taylor
1982-5-23
4511
Butte
S side of Hwy 70, near Arch Rock Tunnel, ca. 1/2 mi sw of Butte-Plumas county line. Pulga SW quad.
487
Comment
CAS-BOT-BC48064
Styrax redivivus
Lowell Ahart
1989-5-29
6309
Butte
along the edge of the gravel road to the Forbestown Reservoir, about 1 mile north-east of Forbestown Road,
822
Comment
SEINET10479043
Suaeda torreyana
Lowell Ahart
1983-9-19
Ahart 4452
Butte
T17N R1E section 14. Ca. 1/8 mi s of the Graylodge Wildlife Refuge headquarters, ca. 12 mi sw of Gridley. Valley Grassland; 35 m.
35
Comment
UC774460
Swertia albicaulis var. nitida
Carl B. Wolf
1941-7-23
Butte
7 mi w De Sable (on rd to Forest Ranch); Northern Sierra Nevada
762
Comment
CHSC28511
Symphoricarpos albus var. laevigatus
M. S. Taylor; J. D. Jokerst
1979-10-13
2266
Butte
On Jordan Hill Rd (Ponderosa Way on some maps) at jct with Griffith Gulch, ca. 7.1 mi N of its jct with Concow Rd, ca. 2 mi SE of Magalia.
701
Comment
JEPS115609
Symphoricarpos albus var. laevigatus
Lowell Ahart
2009-5-23
15731
Butte
On the west edge of a meadow and the east bank of Big Chico Creek, west of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
236
Comment
CHSC69668
Symphyotrichum chilense
Vernon H. Oswald
1987-5-6
2376
Butte
Butte Creek Reserve e of Hwy 99 between Butte Creek and Durham Mutual Ditch.
67
Comment
UC726092
Symphyotrichum spathulatum
A. A. Heller
1928-7-25
14697
Butte
Jonesville and Butte Creek House
Comment
CHSC116108
Symphyotrichum spathulatum var. spathulatum
Lowell Ahart
2015-10-9
20546
Butte
On the northside of the dirt road to Lotts Lake, about 1/8 mile southeast of the Carr Mine, about 3 miles (air) east of Philbrook Reservoir dam.
1842
Comment
JEPS116044
Taeniatherum caput-medusae
Lowell Ahart
2009-4-17
15551
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
CHSC62907
Tamarix gallica
Vernon H. Oswald
1994-4-8
6088
Butte
Along Mud Creek at the intersection of Cohasset and Richardson Springs roads, N of Chico.
91
Comment