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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
CHSC5956
Acanthus mollis
M. MacArthur
1968-6-17
196
Butte
Ca. 60 ft. NW of Biology Stockroom, Chico State College campus.
60
Comment
CHSC43578
Acer circinatum
Vernon Oswald
1987-6-4
2951
Butte
East side of Paradise Reservoir about 500 ft ne of the Picnic Area.
777
Comment
UC600416
Acer glabrum var. glabrum
H. F. Copeland
1932-6-29
Butte
at the summit Jonesville
Comment
CAS-BOT-BC331609
Acer macrophyllum
Mrs. J. H. Morrison
1932-4-9
s.n.
Butte
Durham
Comment
CHSC36522
Acer macrophyllum
L. Ahart
1982-5-8
3409
Butte
dirt road, ca. 1 mi sw of the Forbestown Reservoir.
800
Comment
RSA755322
Acer macrophyllum
L. P. Janeway, B. Castro
2007-7-25
9227
Butte
Cascade Range Foothills. Upper Bidwell Park, Chico; 6 m north of Big Chico Creek and about 6 m higher than the creek, between Upper Park Road and Yahi Trail, between Day Camp and the power lines.
91
Comment
CHSC5948
Acer negundo var. californicum
M. MacArthur
1968-6-18
206
Butte
SE side of Big Chico Creek, ca. 30 ft. N of Dining Hall, Chico State College campus.
60
Comment
CAS-BOT-BC210632
Achnatherum lemmonii
Lowell Ahart
1987-5-9
5583
Butte
Along Pulga Road, about 1/4 mile west of Bardees Bar along the North Fork of the Feather River, about 2 1/2 miles south-west of Pulga
365
Comment
CHSC36957
Achnatherum nelsonii subsp. dorei
M. S. Taylor
1982-5-2
4395
Butte
Pulga serpentine area on n side of Hwy 70 at Pulga bridge, ca. 20 mi ne of Oroville.
487
Comment
UCD51149
Achnatherum occidentale subsp. californicum
E. B. Copeland
1929-7-16
342
Butte
Jonesville.
1550
Comment
CHSC23474
Achyrachaena mollis
A. R. Morrison
1974-4-18
Butte
Ca. 5 mi e of Hwy 99 on Pentz road.
Comment
CHSC3259
Achyrachaena mollis
Virginia Hagaman
1966-4-17
112
Butte
1.2 miles south east of Hooker Oak.
Comment
CHSC872
Acmispon americanus var. americanus
D. Crummett
1937-5-27
Butte
Paradise Road.
396
Comment
CHSC34227
Acmispon argophyllus var. fremontii
M. S. Taylor
1981-5-7
3628
Butte
Decomposed granite, n side of Ponderosa Way, ca. 0.8 mi n of the Sucker Creek bridge ca. 4 air mi sw of Feather Falls.
365
Comment
JEPS98263
Acmispon argophyllus var. fremontii
Lowell Ahart
2000-6-27
8516
Butte
Big Bald Rock, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville.
993
Comment
HSC104004
Acmispon nevadensis var. nevadensis
L. Ahart
2013-11-17
19269
Butte
About 5/8 mi. SW of the Enterprise Bridge across Lake Oroville, below the high water line of Lake Oroville, along the sides of McCabe Creek
245
Comment
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
CHSC26729
Acmispon wrangelianus
M. S. Taylor; M. Hayes
1978-4-14
1557
Butte
On e side of Williams Rd, ca. 1/4 mi n of Pentz Rd, on Butte College campus, ca. 15 mi s of Chico.
30
Comment
UCD104482
Acmispon wrangelianus
Rimo Bacigalupi; L. R. Heckard
1963-5-14
8857
Butte
Along Humbug Road, bottom of Butte Creek Canyon, about 2 miles above and east of its beginning at junction with Paradise Skyway.
91
Comment
SEINET3082407
Aconitum columbianum subsp. columbianum
E. B. Copeland
1929-1
363
Butte
Jonesville.
1500
Comment
CHSC100947
Aconogonon davisiae
R. A. Schlising; Lawrence Janeway
1988-7-1
4552
Butte
End of road on Snow Mt., above Summit Lake.
2011
Comment
UCD98786
Aconogonon phytolaccifolium
H. F. Copeland
1930-7-21
s.n.
Butte
Jonesville.
1524
Comment
CHSC12110
Adiantum aleuticum
J. M. Pitts
1972-4-16
131
Butte
Locally abundant 100 yards se of Humbug Rd. 7.9 mi ne past Honeyrun Bridge.
426
Comment
CHSC20256
Adiantum aleuticum
G. S. Ellmore
1972-4-20
136
Butte
On Humbug Road ca. 13 km. Ne of Covered Bridge ca. 30 m. e of roadside.
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
CHSC23472
Adiantum jordanii
T. D. Brumley
1974-5-2
4
Butte
On s side of Chico creek ca. 400 yds s of Municipal Golf Course building, Chico.
152
Comment
HSC66338
Adiantum jordanii
M. S. Taylor
1980-4-1
2422
Butte
S side of Butte Cr. near Covered Bridge 6 mi. E of Chico
122
Comment
POM120400
Adiantum jordanii
R. M. Austin
1882-10
49
Butte
Unspecified
Comment
SEINET11716466
Adiantum jordanii
D. E. Nay
1975-1
26
Butte
ca 150 m SSW of Covered Bridge, 6.4 mi ESE of 99E/Skyway Jct., Chico
130
Comment
CHSC31739
Aegilops triuncialis
L. Ahart
1976-5-2
1089
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC8619
Aesculus californica
L. V. Ritter
1969-5-5
303
Butte
Ca 2 mi. w of Cohasset, ca 10 yds s of Cohasset Highway.
Comment
CHSC90077
Aesculus californica
Elizabeth A. Ballou
1991-4-23
7
Butte
About 0.25 mi up Cohasset Ridge off of Cohasset Highway.
335
Comment
CHSC45623
Agoseris retrorsa
Vernon H. Oswald
1984-4-9
1135
Butte
Feather Falls Trail, 2.75 trail mi from the trail head at the end of Bryant Ravine Rd.
548
Comment
CHSC79442
Agoseris retrorsa
G. F. Hrusa
1997-5-1
13715
Butte
Northern California, Sierra Nevada. NE side of upper end of Paradise Lake. Where last tributaries from E enter. [Lat./Long. on label is '39 52 N; 121 35 W'].
780
Comment
CHSC69711
Agrostis capillaris
Lowell Ahart
1997-9-27
7915
Butte
Back yard at the Ehmann Home, corner of Lincoln and Robinson Streets, Oroville.
51
Comment
CHSC40447
Agrostis elliottiana
Lowell Ahart
1985-5-22
5028
Butte
Along the edge of Bean Creek Road, about 1/2 mile south-east of Little Bald Rock.
1066
Comment
CAS-BOT-BC127331
Agrostis exarata
A. A. Heller
1914-8-6
11648
Butte
Chico Meadows.
1219
Comment
CAS-BOT-BC139718
Agrostis gigantea
Lowell Ahart
1981-8-15
3045
Butte
Snag Lake (about 3 miles south of Jonesville).
1524
Comment
CHSC96787
Agrostis hendersonii
Lowell Ahart
2007-5-22
13899
Butte
Along swales, on Big Bald Rock, about 14 miles (air) northeast of Oroville.
955
Comment
CHSC45104
Agrostis idahoensis
Lowell Ahart
1988-9-4
6179
Butte
On the bottom and sides of Big Kimshew Creek, the creed crosses a large meadow, about 1 air mile north-east of Jones Meadow.
1920
Comment
JEPS121947
Agrostis idahoensis
Lowell Ahart
2014-7-7
19587
Butte
In the bog, Coon Hollow, about 2 miles (air) north of Philbrook Reservoir.
Comment
JEPS98494
Agrostis pallens
Lowell Ahart
2000-6-29
8538
Butte
5 air miles E of Magalia (W side of Concow Road at Flea Meadow, 1/2 mi W of Flea Mountain, 3 1/2 air miles N of Concow Reservoir)
1036
Comment
CHSC25441
Agrostis scabra
Hayes; Warner
1977-9-11
84
Butte
Along roadside between Jonesville and Butte Meadows (Humboldt Rd.), exactly 11.1 mi from the junction with Hwy 32.
1219
Comment
SEINET10901958
Agrostis scabra
Lowell Ahart, Peter Ahart
1983-7-29
Ahart 4220
Butte
T21N R6E sec 10? Ca. 2 mi s of Milsap Bar, ca. 23 mi ne of Oroville. Yellow Pine Forest; 750 m.
750
Comment
JEPS93859
Agrostis stolonifera
Lowell Ahart
1998-7-18
8041
Butte
about 7 air mi n of Oroville (sw of the Ione oak tree, w of the cow chute on the w side of Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road
403
Comment
CHSC31933
Agrostis variabilis
J. D. Jokerst; L. Ahart, M. S. Taylor
1980-8-2
1032
Butte
Humboldt Peak, large, open, bowl-shaped, volcanic mudflow ca. 1/4 mi. below and E of summit, northern most portion of Butte Co.
1828
Comment
CHSC104830
Aira caryophyllea
Lowell Ahart
2010-6-1
16753
Butte
On the south side of the Guardians Trail, about 150 yards east of the end of Centennial, Upper Bidwell Park, about 1/2 mile east of Chico Canyon Road.
125
Comment
JEPS127629
Alisma lanceolatum
B. Castro
2008-7-15
1760
Butte
Ca 2.5 mi W of Hwy 99 and 1.1 mi SE of Richvale, and ca 0.5 mi E of the Midway. Near junction of Cherokee Canal, Southern Pacific RR and the Biggs extension canal.
Comment
CHSC66451
Alisma triviale
Vernon H. Oswald; Lowell Ahart
1996-6-10
7764
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Vernally flooded slough near the center of the E side of Tract 5 (W side of dike at the SW corner of Tract 6), Sanctuary I.
30
Comment
CAS-BOT-BC445432
Alisma triviale
Lowell Ahart
1981-7-7
2926
Butte
Along edge of Black Bart Road, 1/2 mi. west of Oroville Forbestown Road, west of Forbestown.
700
Comment
CHSC38761
Allium amplectens
Vernon Oswald
1983-4-4
277
Butte
Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake.
146
Comment
CAS-BOT-BC460730
Allium amplectens
Lewis S. Rose
1945-5-12
45016
Butte
Richardson Springs
304
Comment
POM110215
Allium amplectens
C. C. Bruce
1897-03
1898
Butte
[No locality information provided]
Comment
UC398901
Allium campanulatum
E. B. Copeland
1929-7-3
350
Butte
Jonesville
1550
Comment
CAS-BOT-BC465441
Allium campanulatum
Lowell Ahart
1989-5-29
6319
Butte
Along the dirt road just west of Pinkard Creek, about 1/4 mile north of the Lost Creek Dam
1005
Comment
UCD141836
Allium cratericola
L. K. Mann
1959-4-12
s.n.
Butte
Table Mountain, East of Chico near Cherokee.
Comment
RSA0118750
Allium hyalinum
L. P. Janeway
2015-3-23
11643
Butte
Sacramento Valley. North side of Thermalito Forebay, on the west side of Nelson Ave.
72
Comment
CHSC44518
Allium obtusum var. obtusum
Lowell Ahart
1988-3-28
5954
Butte
Near Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 8 miles east of Feather Falls.
1280
Comment
CHSC46070
Allium obtusum var. obtusum
J. D. Jokerst; R. Schlising, M. Foster
1983-5-24
1781
Butte
At the summit of Bald Rock Dome (Middle Fork Feather River) at its south edge.
Comment
CAS-BOT-BC474065
Allium platycaule
A. A. Heller
1915-6-16
12024
Butte
Summit of Sierra Nevada above Jonesville
2133
Comment
UC1133834
Allium sanbornii var. sanbornii
P. L. Johannsen
1936-7-29
970
Butte
1 1/2 mi n Junction of Butte and Secret Creeks; Paynes Creek Quadrangle
Comment
CHSC33657
Allium validum
R. Schlising; R. Banchero, J. Fuller, M. Merryman
1981-7-19
4154
Butte
E of Stirling City, on S side of Bald Mt.
1691
Comment
SD588
Allium validum
E. B. Copeland
1930-7-21
407
Butte
Jonesville, in wet brush.
1500
Comment
CHSC7143
Alnus rhombifolia
Lynn R. Thomas
1969-3-9
11
Butte
S bank of Feather River; n edge of Calif. 70, 0.1 mi w of Cresta Powerhouse. Ca. 30 mi e of Oroville.
640
Comment
UC436297
Alopecurus aequalis
E. B. Copeland
August, 1930
Butte
above Jonesville Jonesville
1650
Comment
CAS-BOT-BC138035
Alopecurus carolinianus
Lowell Ahart
1982-5-10
3430
Butte
Sierra Nevada. On the floor of Ahart rice field, Peter Ahart Ranch, 2.25 miles north and 0.25 mile east of Honcut.
50
Comment
CAS-BOT-BC138037
Alopecurus carolinianus
Lowell Ahart
1987-5-10
5606
Butte
In an idle rice field, 1/8 mile south of Central House Road, east of the Western Pacific Railroad, about 1.5 mile north and 1 mile west of Honcut, about 12 miles south of Oroville.
30
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
RSA0115343
Alopecurus carolinianus
Lowell Ahart
2008-5-2
14704
Butte
Below the high water line of Lake Oroville, about 300 yards east of the Enterprise Boat Lunch [Launch?] Area about 10 1/2 miles (air) northeast of Oroville.
217
Comment
SEINET10511013
Alopecurus carolinianus
Lowell Ahart
1982-5-10
Ahart 3430
Butte
On dry soil of floor of rice field, Peter Ahart Ranch, ca. 2 mi. NE of Honcut. Very common; 50 m.
Comment
CAS-BOT-BC137941
Alopecurus saccatus
Lowell Ahart
1983-5-12
3978
Butte
Sierra Nevada. About 0.5 mile northeast of Highway 99 and Pentz Road.
65
Comment
CHSC8197
Alopecurus saccatus
Dave Isle
1969-4-18
373
Butte
6 1/2 miles N. of Oroville on Cherokee Road (about 500 + yards W. of road on Table Mtn.)
289
Comment
CHSC26667
Amaranthus albus
M. S. Taylor; M. Hayes
1977-8-16
1442
Butte
Butte College Campus, ca. 15 mi s of Chico.
60
Comment
UCD97194
Amaranthus blitoides
A. A. Heller
1919-8-9
13351
Butte
Chico.
Comment
UCD169384
Amaranthus deflexus
Lowell Ahart
2004-9-28
11404
Butte
On the south side of the Oroville Chico Highway, west of Butte Creek, about 1 1/8 miles southeast of the Midway, about 2 1/8 miles (air) northeast of Durham, about 3 1/2 miles (air) southeast of Chico.
57
Comment
HSC102798
Amaranthus palmeri
L. Ahart
2013-10-16
19111
Butte
West side of Hwy. 99E, ~ 1.0 mi. E of Biggs, and ~ 20 yds. south of B Street.
30
Comment
CAS-BOT-BC55583
Ambrosia psilostachya
A. A. Heller
1914-8-11
11759
Butte
Chico-Hamilton road, 6 miles from Chico
Comment
UCD128818
Ambrosia psilostachya
G. K. Helmkamp; E. A. Helmkamp
2007-10-7
13076
Butte
Northern Sacramento Valley: Biggs East Hwy, 1.6 miles east of CA-99 at Biggs.
35
Comment
CHSC28935
Ammannia coccinea
M. S. Taylor
1978-7-22
1851
Butte
On se corner of Richvale East Rd and Erickson Rd, Richvale, in rice field.
Comment
SEINET10939968
Ammannia coccinea
Mary Susan Taylor
1979-10-2
Taylor 2213
Butte
Sacramento River Chico Landing and park, off River Road near the washout, ca. 5 mi W of Chico; Riparian Woodland.
30
Comment
CHSC42063
Amsinckia intermedia
Lowell Ahart
1986-11-7
5430
Butte
In a prune orchard, east of the Feather River, north of the Oroville Gridley Highway, about 3 miles east of Gridley.
28
Comment
RSA754453
Amsinckia intermedia
L. Ahart
2009-4-17
15545
Butte
S slope of a ridge, about 150-200 yards W of Highway 32, near the S boundary, Upper Bidwell park, about 5 air miles NE of Chico.
373
Comment
RSA33142
Amsinckia intermedia
A. A. Heller
1941-4-19
16067
Butte
Edge of a field on the road to Bidwell Park, north side of sandy gulch or Lindo Channel.
Comment
UC1178254
Amsinckia intermedia
Francia Chisaki
1956-4-18
677
Butte
7.2 mi s Tehama-Butte County line
Comment
NY622098
Amsinckia nitidicaulis
A. A. Heller
1918-4-10
12982
Butte
At Chico; especially plentiful as a weed about the high school
Comment
HSC32578
Anagallis arvensis
Linda M. Barker
1974-4-20
147
Butte
Pentz and Clark Rds. jct., 1 mi. NW of Hwy. 70
61
Comment
CHSC35672
Ancistrocarphus filagineus
R. E. Preston; R. A. Schlising
1982-4-25
265
Butte
Lake Oroville, ca. 1/2 mi NE of Lime Saddle Powerhouse, ca. 4.5 mi SE of Paradise.
280
Comment
CHSC78947
Andropogon virginicus var. virginicus
Lowell Ahart
2000-9-27
8693
Butte
About 1/4 mile southeast of Little Bald Rock, about 1 1/4 miles (air) northeast of Big Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville.
1066
Comment
CAS-BOT-BC137780
Anthoxanthum odoratum
Lowell Ahart
1981-7-7
2915
Butte
Sierra Nevada. About 1 mile south of the Oroville Forbestown Road on the Hurleton Swedes Flat Road.
600
Comment
CHSC30713
Antirrhinum cornutum
M. S. Taylor
1980-7-6
3050
Butte
Ca. 1 mi e of Meridian Rd, ca 1.25 mi ne of its jct with Hwy 99, ca. 8 mi n of Chcio.
67
Comment
CHSC30388
Antirrhinum leptaleum
J. D. Jokerst
1980-7-18
992
Butte
Top of North Table Mt. Along roadside on the west edge of Mt.
Comment
CHSC99491
Antirrhinum leptaleum
Lowell Ahart
2008-7-23
15155
Butte
East side of Lumpkin Road, about 200 yards north of the intersection of Forbestown Road and Lumpkin Road, about 10 miles (air) north of Oroville.
513
Comment
RSA0058879
Antirrhinum leptaleum
Lowell A. Ahart
2008-7-23
15154
Butte
On the east side of Lumpkin Road, about 200 yards north of the intersection of Forbestown Road and Lumpkin Road, about 10 miles (air) north of Oroville.
514
Comment
CHSC28519
Antirrhinum vexillo-calyculatum subsp. intermedium
M. S. Taylor; J. D. Jokerst
1979-10-13
2275
Butte
On w side of Jordan Hill Rd, ca. 11.5 mi n of its jct with Concow Rd, ca. 2.3 mi n of Sawmill Reak, ca. 2 mi ne of Magalia.
731
Comment
CHSC28779
Antirrhinum vexillo-calyculatum subsp. intermedium
J. D. Jokerst
1979-9-2
335
Butte
Humbug Road, 2.0 mi. N. of Centerville Cemetary.
457
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
RSA0118746
Antirrhinum vexillocalyculatum subsp. intermedium
Lowell Ahart
2014-8-24
19727
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
CHSC43854
Aphanes occidentalis
L. P. Janeway
1988-2-21
2588
Butte
Low in cyn of Little Chico Cr ca 2 mi S of Ten Mile House.
243
Comment
SD261367
Aphyllon epigalium subsp. epigalium
K. D. Cox
1974-6-1
188
Butte
Found in yard at 1332 Elliott Rd., Paradise Ca.
609
Comment
CHSC42125
Aphyllon purpureum
Lowell Ahart
1980-5-29
2359
Butte
On rock slides along the road south of Jordan Creek, about 2 1/2 miles north-east of the Oroville Quincy Highway, about 5 miles north-east of Mountain House.
1005
Comment
CHSC94090
Aphyllon purpureum
R. Fischer
2005-3-27
679
Butte
Chico. Collection from Bidwell Park along the trail leading to old pistol range, adjacent Big Chico Creek. Plants growing at base a moist, sheer, north facing cliff.
76
Comment
CHSC96236
Aphyllon purpureum
R. Fischer
2006-4-10
991
Butte
Sierra Nevada foothills, adjacent Hwy. 32, below Forest Ranch in the Big Chico Creek Ecological Reserve off Lookout Trail. Plants growing on a steep, open, grassy/rocky, hillside overlooking Big Chico Creek.
518
Comment
CHSC11865
Apocynum androsaemifolium
E. B. Copeland
1930-7-7
442
Butte
Jonesville.
1650
Comment
CHSC28694
Apocynum androsaemifolium
M. S. Taylor
1979-9-9
1921
Butte
Inskip on the Skyway.
1467
Comment
CAS-BOT-BC392108
Aquilegia formosa
A. A. Heller
1915-6-25
12017
Butte
Chico Meadows in the Sierra Nevada
1219
Comment
CHSC52189
Aquilegia formosa var. truncata
Kirsten Tarp
1983-7-22
296
Butte
Ca. 2.0 mi. E of Brush Creek near Indian Creek.
856
Comment
CAS-BOT-BC17268
Arabidopsis thaliana
Lowell Ahart
1990-3-9
6411
Butte
About 0.25 mile south of the Feather River, about 0.4 mile west of Pacific Heights Road.
30
Comment
RSA0126438
Arabis glabra
E. B. Copeland
1929-7-29
366
Butte
Jonesville.
1550
Comment
CAS-BOT-BC128718
Arbutus menziesii
Ira L. Wiggins
1925-3-22
1562
Butte
Above Oroville
Comment
CHSC3359
Arbutus unedo
Robert L. Smith
1966-3-1
22
Butte
5 miles SE of Chico.
Comment
CAS-BOT-BC407720
Arceuthobium abietinum
E. B. Copeland
1930-7-28
414
Butte
Jonesville
1550
Comment
CHSC45302
Arceuthobium americanum
Vernon Oswald; Lowell Ahart
1987-7-1
3077
Butte
Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. On the edge of the medium-sized (north) lake.
1935
Comment
CAS-BOT-BC407772
Arceuthobium californicum
Clarence R. Quick
1953-7-1
53 -32
Butte
Big Bar Mountain, ridge E of Pulga
Comment
CHSC67933
Arctostaphylos manzanita
James D. Jokerst; M. S. Taylor, L. Ahart
1983-1-17
1684
Butte
Top of N. Table Mtn. at its NW corner. Township/Range 'center W edge Sect. 32'.
Comment
RSA633011
Arctostaphylos manzanita
Jon E. Keeley
1996-6-20
27457
Butte
Approximately 1/2 km west of Cohasset.
570
Comment
UC1303076
Arctostaphylos manzanita subsp. manzanita
A. A. Heller
1928-1-23
14474
Butte
e Chico; Ten Mile House
Comment
CAS-BOT-BC24296
Arctostaphylos mewukka
A. A. Heller
1928-2-27
14477
Butte
About 2 mi. w. of Forest Ranch.
Comment
RSA20916
Arctostaphylos mewukka
C. B. Wolf
1937-3-29
8340
Butte
3.5 mi. below Magalia on Oroville Road.
488
Comment
UC725334
Arctostaphylos mewukka
A. A. Heller
1942-1-4
16344
Butte
on Pentz-Magalia Rd 5 mi below Paradise
Comment
CHSC48371
Arctostaphylos mewukka subsp. mewukka
Vernon Oswald
1987-3-20
2293
Butte
North side of Skyway 2.7 mi W of junction with Neal Rd. just east of overlook.
335
Comment
JEPS119541
Arctostaphylos mewukka subsp. mewukka
Lowell Ahart
2012-1-12
17735
Butte
Peter Ahart Ranch, about 1 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles southeast of Oroville.
Comment
RSA795329
Arctostaphylos mewukka subsp. mewukka
L. Ahart
2010-7-27
16913
Butte
About 100 yards southwest of the intersection of Forbestown Road and Black Bart Road, about 11 miles east of Oroville.
742
Comment
CAS-BOT-BC38529
Arctostaphylos mewukka subsp. truei
John Thomas Howell
1975-6-15
51110
Butte
Paradise. Skyway just ne. of Billie Rd.
609
Comment
CHSC11946
Arctostaphylos nevadensis
E. B. Copeland
1931-6-22
672
Butte
Jonesville. On ridge east of 'the Summit'.
2100
Comment
RSA635203
Arctostaphylos patula
Jon E. Keeley
1996-6-20
27469
Butte
Approximately 1/2 km west of Cohasset.
Comment
SD49827
Arctostaphylos patula
C. G. Albertus
1933-7-25
47
Butte
Chico Quadrangle, just S of Thompson's
1280
Comment
UC129116
Arctostaphylos patula
Miss Kate Conger
1907-1
Butte
Brush Creek
Comment
UC481536
Arctostaphylos patula
H. F. Copeland
1920-5-22
223
Butte
Jonesville
Comment
SEINET10449251
Arctostaphylos patula
Mary Susan Taylor
1981-5-13
Taylor 3701
Butte
T22N R6E sw sec 5, Pulga SE quad. In sandy granite, on ridge above Foreman Creek, ca. 0.5 mi w of 23N15.5, ca. 1.5 mi S of its jct with Four Trees Rd, ca. 0.5 mi W of Oroville-Quincy Hwy, ca. 2 mi W of Elks Retreat. 4300 ft.
1310
Comment
SEINET7263535
Arctostaphylos patula
K. Conger
1907-1
s.n.
Butte
Brush Creek
Comment
RSA381141
Arctostaphylos truei
J. T. Howell
1975-6-15
51113
Butte
Skyway & Montana Drive, Paradise.
609
Comment
UCD51933
Arctostaphylos truei
John Thomas Howell
1975-6-15
51109
Butte
Skyway near Billie Road, Paradise, Butte County. Transition Zone.
609
Comment
UCD51935
Arctostaphylos truei
John Thomas Howell
1975-6-15
51110
Butte
Skyway near Billie Road, Paradise, Butte County. Transition Zone.
609
Comment
RSA0074194
Arctostaphylos truei
Gladys L. Smith
1975-4-9
s.n.
Butte
Magalia.
Comment
SEINET11995502
Arctostaphylos truei
W. Knight, Knight, I.; Knight, T.
1988-1
6303
Butte
Paradise at Berkshire Way & Bille Road just off The Skyway
274
Comment
CAS-BOT-BC48298
Arctostaphylos viscida subsp. viscida
A. A. Heller
1914-5-18
11403
Butte
Between Chico and Forest Ranch, 14 miles from Chico
731
Comment
CHSC101078
Arctostaphylos viscida subsp. viscida
Lowell Ahart; John Dittes
2009-3-20
15517
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
CHSC28900
Arctostaphylos viscida subsp. viscida
M. S. Taylor; J. Jokerst
1980-2-23
2313
Butte
East side of Sawmill Rd, ca. 1/2 mi S of Pearson Rd, Paradise.
609
Comment
CHSC7145
Arctostaphylos viscida subsp. viscida
Lynn R. Thomas
1969-3-2
12
Butte
E edge at junction of Pentz and Bennum Rds., ca. 0.6 mi. NW of Calif. 70, between Paradise and Oroville.
152
Comment
RSA636987
Arctostaphylos viscida subsp. viscida
Jon E. Keeley
1996-6-20
27480
Butte
Ponderosa Way, south of Cohasset.
750
Comment
CHSC76339
Arenaria kingii var. glabrescens
L. P. Janeway; B. Castro
1999-8-1
6512
Butte
0.3 mi north of the top of Snow Mountain, 0.5 mi southwest of Summit Lake. North-facing flank of Snow Mountain.
2017
Comment
SEINET10507232
Aristida hamulosa
Lowell Ahart
1983-8-16
Ahart 4277
Butte
T22N R2E sec 14? Along Hwy 32, ca. 1 mi e of Chico. Valley Grassland; 100 m.
100
Comment
UCD56476
Aristida oligantha
Beecher Crampton
1963-9-9
6882
Butte
3.5 miles east of Honcut, La Porte Road.
Comment
SEINET8521980
Aristida oligantha
Kelly W. Allred
1991-1
5480
Butte
along Honcut Road, 2 miles north of junction with Palermo Road, in annual valley grassland
91
Comment
CHSC104811
Aristolochia californica
Lowell Ahart
2010-6-12
16795
Butte
Climbing on shrubs on the east side of Ten Mile House Road, about 3/4 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico.
216
Comment
CHSC3510
Aristolochia californica
M. Gregg
1966-2-28
21
Butte
Upper Bidwell Park at Salmon Hole.
Comment
UC687398
Aristolochia californica
unknown
1896-2
151
Butte
Butte Creek Canyon
Comment
POM195761
Arnica dealbata
E. B. Copeland
1929-7-18
399
Butte
Jonesville
1550
Comment
JEPS121969
Arnica discoidea
Lowell Ahart
2014-7-7
19568
Butte
Along the east side of the Skyway, about one-mile south of Inskip.
Comment
UC398950
Arnica discoidea
E. B. Copeland
1929-7-23
400
Butte
Jonesville
1600
Comment
UCR208054
Arrhenatherum elatius
Paul Maslin
2004-5-21
0034
Butte
Sierra Nevada Mtns., west of Hwy 32 between Chico and Forest ranch within Big Chico Creek Ecological Reserve (BCCER)
488
Comment
UC600722
Artemisia douglasiana
H. F. Copeland
1927-9-3
1114
Butte
Jonesville
1524
Comment
CAS-BOT-BC90289
Artemisia douglasiana
A. A. Heller
1916-9-23
12661
Butte
near Forest Ranch
Comment
SEINET10872090
Artemisia douglasiana
Mary Susan Taylor
1977-10-10
Taylor 1522
Butte
Ca. 4-5 mi S of junction of Chico-Butte Hwy and Ord Ferry Road, ca. 20 mi S of Chico, on both sides of Chico-Butte Hwy; dried up Freshwater Marsh, and slough area.
30
Comment
CHSC115681
Asarum hartwegii
Emily Meigs Doe; L. P. Janeway
2015-5-28
29
Butte
Northern High Sierra Nevada. Plumas National Forest. About 2 mi. NW of Forbestown Rd., about 0.35 mi. NE of its intersection with Ponderosa Way.
829
Comment
CAS-BOT-BC400642
Asarum hartwegii
Mrs. C. C. Bruce
1898-6-1
2423
Butte
Day Hill
Comment
CHSC40363
Asclepias cordifolia
Lowell Ahart
1985-6-17
5063
Butte
100 yards south of the dirt road, Lumpkin Ridge, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
975
Comment
SEINET10580359
Asclepias cordifolia
Edwin B. Copel
1929-7-13
Copeland s.n. 1929
Butte
Jonesville
1606
Comment
CHSC4692
Asclepias eriocarpa
R. Carter
1966-7-6
465
Butte
Found ca. 7 mi. E of Oroville on e side of Feathervale .25 mi. S of intersection with Wyandotte-LaPorte Rd.
243
Comment
UC196343
Asclepias eriocarpa
A. A. Heller
1914-7-13
11573
Butte
10 mi e Oroville (Mt. Ida ranch)
Comment
SBBG128803
Asclepias speciosa
L. Ahart
2013-6-11
18799
Butte
wet meadow ca. 10 yards N of Forbestown Rd, ca. 150 yards E of the intersection of Forbestown Rd and Black Bart Rd, ca. 3.25 mi (air) SW of Forbestown
737
Comment
CHSC86073
Aspidotis californica
R. D. Fischer
2004-1-4
44
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico. Along the Yahi Trail above Brown's Hole.
213
Comment
UC123070
Aspidotis californica
Mrs. R. M. Austin
April 1883
Butte
Big Chico Canyon
Comment
SEINET10966246
Aspidotis densa
Mary Susan Taylor
1978-7-18
Taylor 1686
Butte
On N side of Old Humboldt Road in open gravelly-rocky area in Yellow Pine Forest, ca. 1 mi E of junction of Old Humboldt Road and Hwy 32, ca. 5 mi W of Butte Meadows.
1326
Comment
SEINET10473624
Aster exilis
Mary Susan Taylor
1977-10-10
Taylor 1526
Butte
Ca. 1 mi E of junction of Nelson West Road and Chico-Butte Hwy, on N side of Nelson West Road in large creek (drying area), ca. 23 mi S of Chico.
30
Comment
CAS-BOT-BC178462
Astragalus gambelianus
Lowell Ahart
1985-3-24
4851
Butte
Serpentine Point, west of Yankee Hill
550
Comment
CHSC103968
Astragalus gambelianus
Lowell Ahart
2010-5-7
16611
Butte
Area of erosion control, disk golf area, on a ridge about 200 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
369
Comment
CHSC80525
Astragalus tener var. ferrisiae
Lowell Ahart
2001-4-15
8721
Butte
About 15 feet southeast of the large pump, on the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) southwest of Gridley.
22
Comment
CHSC25266
Asyneuma prenanthoides
M. S. Taylor
1977-6-26
1370
Butte
On s side of Ponderosa Way, ca. 3 mi w of Forest Ranch.
731
Comment
CHSC86570
Asyneuma prenanthoides
L. P. Janeway; Christine Hantelman
2003-7-3
7866
Butte
Northern Sierra Nevada Foothills. South edge of North Fork Feather River arm of Lake Oroville, 2.7 km east-northeast of mouth of West Branch Feather River arm of Lake Oroville. Steep north-facing slope above a small spring.
279
Comment
UCD136292
Athyrium filix-femina var. californicum
E. B. Copeland
1929-7-29
326
Butte
Jonesville.
1600
Comment
CHSC33576
Athyrium filix-femina var. cyclosorum
M. S. Taylor
1981-4-16
3545
Butte
Near 21N31Y, ca. 2 mi n of Big Bald Rock, ca. 1 mi se of Brush Creek on Oroville-Quincy Hwy.
1036
Comment
CHSC12168
Athysanus pusillus
Lowell Ahart
1973-3-14
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC35011
Athysanus pusillus
R. E. Preston
1982-3-4
184
Butte
N. Table Mtn., 20 ft e of Cherokee Rd.
402
Comment
CHSC46869
Atriplex heterosperma
Vernon Oswald
1989-9-6
3988
Butte
Gray Lodge Wildlife Area just w of Parking Area 2.
19
Comment
CAS-BOT-BC172671
Atriplex lentiformis
Lowell Ahart
1981-9-10
3144
Butte
Gray Lodge, SW of Gridley
35
Comment
UCSB64018
Atriplex lentiformis
Ahart, Lowell
1981-7-26
Butte
east of the dirt road, about 1 mile north¬west of Pennington Road, about 1/2 mile north¬east of the Gray Lodge Waterfowl Management Area Headquarters, about 12 miles south-west of Gridley
30
Comment
SEINET11935025
Atriplex rosea
Unknown
1981-1
3220
Butte
Near the entrance to Gray Lodge Waterfowl Mngmt HQ, just W of Pennington Rd, ca 12 mi SW of Gridley
35
Comment
JEPS90628
Atriplex subtilis
Dean W. Taylor
1993-8-31
14076
Butte
120 m s Rutherford Road (and (as depicted on the refuge map) public shooting parking lot no. 5, (Pennington 7 1/2 USGS quadrangle, 1973 edition), ca. 1.5 mi e of refuge hq.); Sacramento Valley, Gray Lodge State Wildlife Area (Westside
21
Comment
CHSC34170
Atriplex triangularis
L. Ahart
1981-9-10
3146
Butte
On wet soil along the edge of a ditch near entrance to Graylodge Waterfowl Mgmt HQ, w of Pennington Rd, ca. 12 mi sw of Gridley.
35
Comment
CHSC47126
Atriplex triangularis
Vernon H. Oswald
1989-10-18
4025
Butte
West Liberty Road along north boundary of Gray Lodge Wildlife Area, 0.8 mi w of Pennington Rd.
19
Comment
CAS-BOT-BC146179
Avena barbata
Lowell Ahart
1979-5-12
s.n.
Butte
Honcut. Peter Ahart Ranch. Along North Honcut Creek.
50
Comment
CHSC9341
Avena barbata
B. Anthony
1968-3-29
414
Butte
Chico State College Campus, Chico.
Comment
JEPS117626
Avena barbata
Lowell Ahart
2010-5-23
16727
Butte
On both sides of Guardians Trail, about 200 yards southwest of Ten Mile House Road, about 1/4 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico
413
Comment
SEINET10507661
Avena barbata
Lowell Ahart, James D. Jokerst
1985-3-24
Ahart 4856
Butte
Serpentine Point, west of Yankee Hill.
550
Comment
RSA713001
Avena fatua
L. Ahart
2005-12-11
12515
Butte
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
SEINET10839232
Baccharis pilularis subsp. consanguinea
Lowell Ahart
1985-2-17
Ahart 4838
Butte
On red rocky damp soil near Kunkle Res., About 2 miles south of Paradise.
Comment
RSA276695
Bacopa repens
J. M. Tucker
1953-8-28
2684
Butte
Biggs Rice Experiment Station
Comment
CHSC4672
Balsamorhiza deltoidea
R. Carter
1966-4-11
335
Butte
Found ca. 1 mi E of Bidwell Bar along RR tracks, just W of RR bridge over S Fork.
152
Comment
SEINET10907330
Barbarea orthoceras
Mary Susan Taylor
1981-5-14
Taylor 3730
Butte
T23N R6E ne/nw sec 19, Pulga SE quad. E side of 23N30.2, along road and ridge, ca. 1 mi SE of Bear Ranch Hill, ca. 2 air mi NW of Four Trees on Oroville-Quincy Hwy. Yellow Pine Forest; 4900 ft.
1493
Comment
CHSC38730
Berula erecta
Vernon Oswald
1983-6-14
678
Butte
Upper Bidwell Park, Chico, near Diversion Dam Parking Area L.
134
Comment
CHSC42992
Bidens cernua
Lowell Ahart
1987-7-17
5824
Butte
On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC116138
Bidens frondosa
Lowell Ahart
2015-10-26
20590
Butte
Strand of Lake Oroville, on the west side of the West Branch of the Feather River, about 1 mile (air) southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise.
207
Comment
RSA724879
Bidens frondosa
L. Ahart
2006-9-11
13274
Butte
South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville.
432
Comment
POM180850
Bidens frondosa
H. F. Copeland
1923-1
862
Butte
Nelson
Comment
SEINET10872129
Bidens frondosa
Mary Susan Taylor
1982-8-14
Taylor 5139
Butte
T20N R8E. Jct of French Creek and 21N56, 0.5 mi e of Mooretown Ridge Rd, ca. 3 mi n of Sly Creek Reservoir Dam, ca. 4 air mi n of Strawberry Valley. 4000 ft.
1219
Comment
CHSC45375
Bistorta bistortoides
Vernon Oswald
1987-7-13
3114
Butte
Near the intersection of a Forest Service road and the sw branch of Butte Creek, ca. 1 mi (air) se of Summit Lake, ca. 1 mi (air) e of Snow Mt, ca. 4.75 mi (air) se of Jonesville.
1853
Comment
RSA0084097
Blennosperma nanum var. nanum
L. P. Janeway
2005-3-1
8333
Butte
Cascade Range Foothills. East edge of city of Chico; north side of Humboldt Rd. 1.8 km northeast of Bruce Road.
134
Comment
CHSC474
Boechera breweri subsp. shastaensis
V. Holt
1937-3-1
Butte
Salmon Hole.
121
Comment
CAS-BOT-BC14300
Boechera platysperma
E. B. Copeland
1931-6-19
643
Butte
Jonesville.
1550
Comment
JEPS88584
Bolboschoenus maritimus subsp. paludosus
Vernon H. Oswald and Lowell Ahart
1996-7-22
8095
Butte
US Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River Sacramento River National Wildlife Refuge, Llano Seco Unit (NE corner of Tract 1.1, Sanctuary II)
33
Comment
UC1751225
Botrychium montanum
Timothy B. Devine
1985-7-7
880 .1
Butte
1 mi NE of Jonesville (Jones Creek at jct with Humboldt Road)
1615
Comment Read comments Oct 11 2007
UC955482
Botrychium multifidum
Mrs. Carlotta C. Hall
1914-7-30
9820
Butte
Jonesville, E of Stephen's Hotel
1554
Comment
CAS-BOT-BC417632
Boykinia major
Lowell Ahart
1985-7-9
5114
Butte
along the banks of 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
CHSC71652
Boykinia major
Vernon H. Oswald; Lowell Ahart
1998-8-11
9463
Butte
USFS 25N95 to Upper Wildcat Creek 0.7 mi north of Four Trees-Coyote Gap Rd.
1408
Comment
CDA15368
Boykinia occidentalis
G. F. Hrusa
1997-5-29
13796
Butte
Sierra Nevada; Bank of Sucker Run Creek, ~1.5 mi. SSE of Feather Falls townsite.
Comment
CHSC31733
Brachypodium distachyon
L. Ahart
1972-5-6
96
Butte
Peter Ahart Ranch, Honcut.
45
Comment
SEINET10448436
Brassica geniculata
Lowell Ahart
1985-7-24
Ahart 5157
Butte
At the Generator, at the Forbestown Res., about 4 1/2 miles north-east of Forbestown.
Comment
CHSC33168
Brassica nigra
R. E. Preston
1981-5-27
71
Butte
Roadside, on n side of Sacramento Ave., ca. 0.5 km w of Meridian Rd., ca. 8 km w of Chico.
40
Comment
CHSC38059
Brassica oleracea var. gemmifera
R. E. Preston
1982-3-25
198
Butte
In a garden in Chico.
Comment
CHSC110131
Brassica rapa
L. P. Janeway
2012-4-3
10804
Butte
Sacramento Valley. Along old rock wall on south side of Hum-boldt Road 0.3 km east of Bruce Road, across from rehabbed and covered area of old dump site.
86
Comment
CAS-BOT-BC36720
Brassica rapa
Lowell Ahart
1974-5-12
s.n.
Butte
About 0.5 mile east of Honcut.
150
Comment
CAS-BOT-BC36721
Brassica rapa
Lowell Ahart
1983-2-21
3903
Butte
Peter Ahart Ranch. About 2.5 miles north and 0.75 mile east of Honcut.
40
Comment
CAS-BOT-BC127677
Brickellia greenei
John Thomas Howell
1951-8-19
28159
Butte
Serpentine, 2 miles west of Pulga
365
Comment
CHSC45204
Briza maxima
Lowell Ahart
1975-5-12
772
Butte
Along the edge of North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
JEPS87138
Briza maxima
Lowell Ahart
1992-5-9
6767
Butte
about 2 air mi n. Oroville (on w side of a small stream, e of Cherokee Road); Lake Oroville Recreation Area
91
Comment
CHSC4415
Briza minor
J. Francis
1966-5-18
Butte
N of golf course, Bidwell Park, Chico.
Comment
CHSC81426
Briza minor
J. Trizzino
2001-4-30
66
Butte
Upper Bidwell by Horseshoe Lake along seasonal creek drainage.
109
Comment
UC725434
Brodiaea californica var. californica
A. A. Heller
1938-5-22
15106
Butte
near Chico airport
Comment
CAS-BOT-BC483078
Brodiaea elegans subsp. elegans
Helen M. Edwards
1917-6-1
s.n.
Butte
DeSabla
Comment
CHSC29094
Brodiaea minor
M. S. Taylor; J. D. Jokerst
1980-5-15
2620
Butte
Ca. 1/2 mi e of Cohasset Rd, ca. 3 mi n of Chico.
91
Comment
CAS-BOT-BC484559
Brodiaea minor
John Thomas Howell
1962-6-15
37456
Butte
Magalia
731
Comment
SEINET8466117
Brodiaea minor
Lincoln Coonstance
1941-5-28
2825
Butte
Three miles southwest of Paradise, Sierra Nevada foothills
Comment
SEINET3888972
Brodiaea multiflora
Barbara Ertter, Lowell Ahart; Jeff Strachan
1980-5-6
3271
Butte
Peter Ahart Ranch ca 2 1/2 mi NNE of Honcut between Oroville and Marysville.; 0
30
Comment
UCD78199
Brodiaea sierrae
R. E. Preston
2002-6-7
1811
Butte
Magalia, along The Skyway, 0.1 mi n of jct with Coutelenc Rd
704
Comment
CAS-BOT-BC486482
Brodiaea sierrae
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
JEPS95152
Bromus alopecuros
Lowell Ahart
1997-5-5
7737
Butte
about 12 mi s of Oroville (about 2 mi n and 1/10 mi e of Honcut, Peter Ahart Ranch); Peter Ahart Ranch
33
Comment
CHSC34209
Bromus carinatus var. marginatus
J. D. Jokerst
1981-8-1
1452
Butte
N face of Humboldt Peak ca 200 feet NE of summit. Extreme N corner of Butte county.
2133
Comment
CAS-BOT-BC155943
Bromus commutatus
Lowell Ahart
1983-6-26
4143
Butte
Sierra Nevada. Along Ponderosa Way, ca. 0.5 mile south of the East Fork of Canyon Creek, ca. 13.5 miles northeast of Oroville.
550
Comment
CAS-BOT-BC156029
Bromus diandrus
H. E. Brown
1897-4-15
199
Butte
Near Clear Creek.
53
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
CHSC3921
Bromus diandrus
H. E. Lindahl
1967-3-20
19
Butte
1/2 mi. s of intersection of Neal Rd. and Chico-Oroville highway.
60
Comment
CHSC101800
Bromus hordeaceus
Lowell Ahart
2009-5-8
15668
Butte
On the south side of the gravel road, about 10 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico.
67
Comment
CHSC109606
Bromus hordeaceus
Lowell Ahart
2012-5-14
18046
Butte
A little east of Table 7, on the south side of Big Chico Creek, north of the paved road, northeast of Cedar Grove, Lower Bidwell Park, Chico.
70
Comment
CHSC30297
Bromus hordeaceus
M. S. Taylor
1980-5-27
2643
Butte
In parking lot, Big Bald Rock, ca. 3 mi e of Lake Madrone.
975
Comment
CHSC31946
Bromus hordeaceus
J. D. Jokerst
1979-4-20
1211
Butte
Top of North Table Mt., ca. .75 mi N of Cherokee Rd.
396
Comment
JEPS110114
Bromus hordeaceus
Lowell Ahart
2006-5-10
12621
Butte
Road cut bank, on the north side of the poor dirt road, Bardees Bar Road, about 100 yards north of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 1/2 miles (air) southwest of Pulga
354
Comment
JEPS117608
Bromus hordeaceus
Lowell Ahart
2010-6-12
16797
Butte
Along the south side of a small stream, about 150 yards east of Ten Mile House Road, about 3/4 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico
238
Comment
CDA1830
Bromus japonicus
L. Ahart
1998-6-3
8015
Butte
West side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville. Southeast margins of a large seep, southwest of the lone oak tree, west of the cow chute.
Comment
CHSC117543
Bromus japonicus
Lowell Ahart; John Dittes
2016-7-13
21144
Butte
Scattered along the west edge of the pond, 100 yards south of County Road A02, 5.3 miles (air) east of Biebedr, 7.3 miles (air) southwest of Adin, hills at the southern slope of Big Valley.
1289
Comment
CAS-BOT-BC162457
Bromus laevipes
John Thomas Howell
1967-6-22
42621
Butte
Sierra Nevada. Magalia.
701
Comment
CHSC40645
Bromus laevipes
J. D. Jokerst
1984-5-19
2023
Butte
Along road edges. South edge of HWY 70 ca. 0.5 miles south of its junction with Bear Ranch Creek.
Comment
CHSC38798
Bromus racemosus
Vernon Oswald
1983-4-9
314
Butte
Upper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake.
152
Comment
CAS-BOT-BC161959
Bromus rubens
Peter H. Raven
1953-5-9
5436
Butte
7.2 miles from Bangor on Oroville Road.
Comment
CAS-BOT-BC161964
Bromus rubens
Lowell Ahart
1987-5-6
5553
Butte
At the Poe Power House along the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap.
283
Comment
SEINET10507669
Bromus rubens
Mary Susan Taylor
1980-4-1
Taylor 2423 A
Butte
T22N R2E sc sec 25. In Foothill Savan nah, on bluffs above and S of Butte Creek, ca. 1/4 mi downstream from Honey Run Covered Bridge ca. 6 mi E of Chico.
183
Comment
CHSC8177
Bromus secalinus
B. Hamilton
1969-5-19
43
Butte
Found 6 miles north of Gridley in Hiway 99 along roadside.
Comment
JEPS106270
Bromus suksdorfii
Lowell Ahart
2004-8-2
11333
Butte
On both sides of the dirt County Road, between the Sky High Mine and Dresser Camp, about 2 miles (air) southeast of the Philbrook Reservoir Dam, about 7 miles (air) southeast of Butte Meadows
1912
Comment
CHSC107588
Bulbostylis capillaris
Lowell Ahart
2011-7-9
17564
Butte
Area of almost bare rock, about 1/4 mile east of Little Bald Rock, about 2 miles (air) southeast of Brush creek, about 15 miles (air) northeast of Oroville.
1009
Comment
CHSC108058
Bulbostylis capillaris
Matt Simenc; Tim Hanson, Melanie Williams, Nicole Habecker
2011-6-22
Butte
Northern High Sierra Nevada. Plumas National Forest; northwest facing slopes near the top of the ridge on the southeast side of Martin Creek, 1.9 air miles northeast of Madrone Lake.
755
Comment
CHSC61340
Bulbostylis capillaris
Lowell Ahart
1993-7-29
7117
Butte
About 2 1/2 mi NE of Bald Mountain, about 6 1/2 mi NE of Stirling City.
1584
Comment
CHSC59040
Calamagrostis canadensis
Lowell Ahart
1992-7-21
6797
Butte
On the sides of a snow lake, on the south side of Coon Hollow, about 2 (air) miles north-east of Philbrook Reservoir.
1737
Comment
CHSC113966
Calamagrostis canadensis var. canadensis
Lowell Ahart
2014-7-13
19658
Butte
Southeast part of a large wet meadow, about 150 yards southeast of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
CHSC1359
Calandrinia ciliata var. menziesii
E. Dolittle
1929-2-26
Butte
Near Chico.
57
Comment
CHSC23133
Calandrinia ciliata var. menziesii
M. S. Taylor
1976-2-12
991
Butte
Abundant along roadside, ca. 500 ft n of Big Chico Creek, vicinity of Salmon Hole, Upper Bidwell Park, Chico.
243
Comment
CHSC47393
Callitriche heterophylla var. bolanderi
Lowell Ahart
1984-5-7
4595
Butte
In a small pool, east of Kunkle Creek, about 1/2 mile north of Kunkle Reservoir, about 2 miles south of Paradise.
548
Comment
NY409596
Callitriche marginata
B. J. Ertter
1980-5-7
3297
Butte
Peter Ahart Ranch ca 2-1/2 mi NNE of Honcut between Oroville and Marysville.
30.5
Comment
RSA769227
Calocedrus decurrens
L. Ahart
2009-11-19
16548
Butte
About 80 yards southeast of the gate, about 70 yards east of Ten Mile House Road, Upper Bidwell park, about 3/4 air mile west of Highway 32, about 10 miles northeast of Chico
270
Comment
UC429160
Calochortus albus
Mrs. R. M. Austin
1890-1
30
Butte
Butte Creek
Comment
UC672161
Calochortus albus
Herbert L. Mason
1927-5-10
3719
Butte
ne of Oroville; Table Mountain, Coal Creek
Comment
SEINET3884902
Calochortus albus
Johann D. Watjen
1969-5-4
32
Butte
Table Mountain, 0.4 mile off of Highway 70, 2 miles southwest of West Fork Feather River.; 0
98
Comment
CAS-BOT-BC489975
Calochortus leichtlinii
E. B. Copeland
1929-7-17
352
Butte
Above Jonesville.
2000
Comment
CAS-BOT-BC491853
Calochortus luteus
E. B. Copeland
1899-4-1
s.n.
Butte
Chico
Comment
CAS-BOT-BC491860
Calochortus luteus
A. A. Heller
1914-4-24
11322
Butte
Hills 8 miles north of Oroville
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
CAS-BOT-BC492600
Calochortus monophyllus
A. A. Heller
1940-4-29
15565
Butte
On the Clark Road, 2 miles below Paradise,
Comment
RSA112700
Calochortus nudus
E. K. Balls, Lee W. Lenz
1955-5-13
20698
Butte
7 miles northeast from Pentz Trading Station on road to U.S. Highway 40 alt. from Oroville-Magalia road
579
Comment
HSC38018
Calochortus superbus
Thomas W. Nelson, Jane P. Nelson
1976-5-10
2478
Butte
S facing slope beside Hwy. 191, 1 mi. W of Paradise
Comment
POM169644
Calochortus superbus
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CHSC40083
Calochortus tolmiei
A. A. Heller
1938-4-23
15055
Butte
Summit between the West Branch and North Fork of the Feather River on Highway 324, in the Arid Transition Life Zone.
Comment
CHSC67733
Calochortus tolmiei
James D. Jokerst
1979-4-6
198
Butte
400 ft S of corners of sections. T. C. Hunt property SE of Pulga Rd.
Comment
CAS-BOT-BC494317
Calochortus tolmiei
A. A. Heller
1918-5-5
s.n.
Butte
Near Magalla in the yellow pine and oak belt (Q. Kelloggii) on serpentine.
1072
Comment
CAS-BOT-BC494348
Calochortus tolmiei
Lowell Ahart
1988-3-27
5941
Butte
On dry rocky red soil, on a deep road cut along Poe Power House Road, about 1/10 mile north of the bridge across the North Fork of the Feather River, about 2 miles southeast of Jarbo Gap.
350
Comment
POM253057
Calochortus tolmiei
A. A. Heller
1938-4-23
15055
Butte
Shallow ravine along the Feather River Highway near the Yankee Hill road about 20 miles from Oroville
Comment
LA207379
Caltha leptosepala
E. B. Copeland;
June 1930
sn
Butte
Jonesville, N Willow Creek
1550.0
Comment
CHSC25422
Calycadenia ciliosa
M. Hayes; Warner
1977-9-6
54
Butte
Upper Bidwell Park, ca. 1.8 mi from end of paved road (Wildwood Drive) across from Chico Municipal Golf Course, ca. 200 yds up SE facing slope of Big Chico Creek Canyon.
129
Comment
UCD129760
Calycadenia fremontii
R. L. Carr
1978-7-7
792
Butte
Northeast of Chico, Upper Bidwell Park (Devils Kitchen), 4.6 miles northeast of Manzanita Ave on Upper Bidwell Canyon Road via Wildwood Ave.
232
Comment
CAS-BOT-BC106094
Calycadenia oppositifolia
A. A. Heller
1926-5-22
13940
Butte
Along the Richardson Springs Road three miles north of Chico.
Comment
CHSC44854
Calycadenia oppositifolia
Lowell Ahart
1979-5-29
1898
Butte
East of Kunkle Creek. About 2 1/2 air miles south-east of Paradise.
457
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
CHSC84508
Calycadenia oppositifolia
John Dittes; Lowell Ahart, Steve Green, Josephine Guardino
2003-5-27
2003 -32
Butte
Cascade Range Foothills; Upper Bidwell Park; approximately 6.7 air-miles northeast of Chico, 2.5 air-miles northeast of Horseshoe Lake; on cut road bank and slope on north side of main road, just west of Parking Lot-R.
228
Comment Read comments Oct 16 2006
CHSC86568
Calycadenia oppositifolia
L. P. Janeway
2003-5-7
7775
Butte
Northern Sierra Nevada Foothills. Kelly Ridge between Lake Oroville Visitors Center and south end of Oroville Dam.
329
Comment
RSA788197
Calycadenia oppositifolia
R. L. Carr
1977-7-5
2029
Butte
ca. 15 air mi N of Oroville, Hwy 70 at Pinkston Canyon Rd Jct, ca. 200 yds N on small dirt powerline road, (very near GDC 553, 558).
653
Comment
UC1876185
Calycadenia oppositifolia
Gerald D. Carr
1971-5-23
553
Butte
Vic. Jarbo Gap, Hwy 70, above turnout to Concow Rd.
Comment
UC935692
Calycadenia oppositifolia
David D. Keck
1933-5-31
2411
Butte
4.3 mi n of, on Richardson Springs Rd. Chico
Comment
SEINET10475224
Calycadenia spicata
Mary Susan Taylor
1979-5-6
Taylor 1998 A
Butte
Peter & Lowel Ahart Ranch, Honcut; Valley Grassland.
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
SBBG7840
Calycadenia truncata
D. D. Keck, J. Clausen
1935-6-25
3778
Butte
2.2 mi S of Flea Valley on rd to Yankee Hill
Comment
UCR88046
Calycadenia truncata subsp. scabrella
C. R. Quick
1964-7-9
64- 62
Butte
Sierra Nevada Mtns., north of Jarbo Gap
Comment Read comments Oct 10 2010
CAS-BOT-BC275379
Calycadenia truncata var. truncata
David D. Keck; J. Clausen
1935-6-25
3778
Butte
2.2 miles S of Flea Valley on road to Yankee Hill
Comment
CAS-BOT-BC275392
Calycadenia truncata var. truncata
Lowell Ahart
1988-6-29
6085
Butte
N of Swedes Flat Road, about 1 mile E of Oroville Bangor Highway, about 5 miles N of Bangor
304
Comment
CAS-BOT-BC90918
Calycanthus occidentalis
Sally Bianco
1995-9-23
1029
Butte
Concow area, along unnamed creek that parallels Yellowwood Road.
793
Comment
CDA13915
Calycanthus occidentalis
G. F. Hrusa, T. D. Wilfred
1997-7-3
13982
Butte
Sierra Nevada; Above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive.
Comment
JEPS127135
Calycanthus occidentalis
Lowell Ahart
2016-8-29
21317
Butte
On the west side of North Honcut Creek, about 2 1/2 miles north and 2 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville.
Comment
SEINET12096302
Calycanthus occidentalis
M. S. Taylor, Oswald, V.
1985-1
5509
Butte
Along Four Trees Road between Hwy 70 and Coyote Gap, ca 25 air mi NE of Oroville
Comment
JEPS117419
Calyptridium monospermum
Lowell Ahart
2010-9-28
17251
Butte
On damp black soil, 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 Philbrood Reservoir
1886
Comment
JEPS121940
Calyptridium monospermum
Lowell Ahart
2014-7-7
19604
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
SEINET5336314
Calyptridium paniculatum
K. Conger
1907-1
s.n.
Butte
Brush Creek.
Comment
CHSC12006
Calyptridium umbellatum
E. B. Copeland
1930-7-12
Butte
Above Jonesville.
2000
Comment
CHSC27991
Calyptridium umbellatum
M. S. Taylor
1978-7-18
1692
Butte
O n side of Old Humboldt Rd, ca. 2 mi e of jct of Old Humboldt Rd and Hwy 32.
1326
Comment
CHSC33254
Calystegia atriplicifolia subsp. buttensis
R. A. Schlising
1975-6-21
3168
Butte
Along Hwy 32, 8.5 miles N of Tehama/Butte County line.
Comment
RSA718789
Calystegia atriplicifolia subsp. buttensis
L. P. Janeway
2006-6-25
8696
Butte
Along a major dirt road 2.6 km south of Stirling City towards West Branch Feather River crossing.
1006
Comment
HSC96837
Calystegia malacophylla subsp. malacophylla
L. Ahart
2006-7-11
12942
Butte
100 yards S of Humboldt Rd. about 1 3/8 mi. SW of Butte Meadows
1401
Comment
CHSC63134
Calystegia malacophylla subsp. malacophylla
Lowell Ahart
1994-7-1
7442
Butte
Around large rocks, on the north side of the larger pond, steep rocky slope on the north side of Henness Pass Road,at Keystone Gap, east of Keystone Mountain, about 1-1/2 miles north-east of Middlewaters, about 11 miles (air) northeast of Alleghany.
1889
Comment
SEINET10869723
Calystegia polymorpha
Mary Susan Taylor
1978-7-19
Taylor 1728
Butte
Cherry Hill Campground, on S side of Old Humboldt Road, ca. 2 mi SW of Jonesville.
1524
Comment
UC177596
Campanula prenanthoides
H. M. Hall
July 1914
9797
Butte
Butte Meadows
1310
Comment
UC600503
Campanula prenanthoides
H. F. Copeland
1924-8-11
599
Butte
Jonesville
Comment
CHSC38039
Capsella bursa-pastoris
R. E. Preston
1982-12-4
369
Butte
In a field; n side of River Rd at bend at Bremner Ranch, ca. 7 mi sw of Chico.
33
Comment
CHSC78069
Capsella bursa-pastoris
Megan Lee Hudzik
1998-4-16
20
Butte
Bidwell Park, 50 m w of Horseshoe Lake, 6 miles s of Bidwell Mansion. Next to a stream.
91
Comment
SEINET10448264
Capsella bursa-pastoris
Mary Susan Taylor
1975-3-3
Taylor 399
Butte
On E side of Richardson Springs Rd, between road and creek, ca. 2 mi NE of its jct with Cohasset Rd, ca. 6 mi N of Chico. Associates: Pinus sabiniana, Brodiaea pulchella, Pityrogramma triangularis, Galium nuttallii.
91
Comment
CHSC27055
Cardamine breweri
Lowell Ahart
1978-5-31
1748
Butte
South Fork of the Feather River. Found along the edge of the S. Fork. Found .5 mi above the Golden Trout Crossing on S Fork. Ca 4 mi west of Sly Creek Res. which is w of Strawberry Valley, Yuba County. Found only in this one area near the log bridge across the river.
750
Comment
CHSC33227
Cardamine breweri
R. E. Preston
1981-6-17
90
Butte
Side channel of Butte Creek; ca. 3.2 km ne of Butte Meadows, near Cherry Hill.
1415
Comment
CHSC34479
Cardamine oligosperma
M. S. Taylor
1975-4-26
521
Butte
On e side of Kunkle Reservoir, ca. 500 yds e of Pentz-Magalia Hwy, ca. 1 mi se of Paradise.
609
Comment
SFV10373
Cardamine oligosperma
M. L. Vincent
1964-4-8
509
Butte
Sierra Nevada PG&E powerplant, Feather River Canyon. 2 miles northeast of new bridge.
475
Comment
CAS-BOT-BC37879
Cardamine oligosperma
Lowell Ahart
1979-4-3
s.n.
Butte
Honcut. Peter Ahart Ranch. Near edges of North Honcut Creek.
50
Comment
SBBG128279
Cardamine oligosperma
L. Ahart, J. Dittes
2009-3-20
15505
Butte
open area along the Guardian Rock Trail, ca. 150 yards SW of the Ten Mi House Rd Trail, ca. 300 yards W of Hwy 32, W of the intersection of Hwy 32 and Ten Mi House Rd, upper Bidwell Park, ca. 10 mi NE of Chico
407
Comment
CAS-BOT-BC18215
Carex
A. A. Heller
1928-6-16
14614
Butte
Butte Meadows.
Comment
CHSC105981
Carex
Lowell Ahart
2010-9-21
17204
Butte
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 Philbrook Reservoir.
1917
Comment
SEINET10644206
Carex
Lowell Ahart
2003-6-30
Ahart 10324
Butte
T19N, R6E, northwest 1/4 Section 4. On the south side of Ponderosa Way, about 2 1/2 miles (by road) southwest of the Ponderosa Dam, about 2 miles (air) northwest of Forbestown.
578
Comment
SEINET11063328
Carex abrupta
L. Janeway, Gog, L
2008-1
3201 A,B
Butte
Scott's John Creek, Intersection with Rd. 26N27
Comment
CAS-BOT-BC17808
Carex amplifolia
L. P. Janeway
1988-6-25
2874
Butte
Creek along Bull Hill Road 2.2 miles from the Skyway.
1508
Comment
UCD140080
Carex amplifolia
L. P. Janeway
1988-6-16
2793
Butte
West Br Butte Creek near Lomo; 0.1 mile from Humboldt Road along Cedar Loop Road.
1158
Comment
CHSC36066
Carex angustata
J. D. Jokerst; R. A. Schlising
1982-6-4
1590
Butte
Concow Creek in an open meadow at its headwaters.
1097
Comment
JEPS106369
Carex angustata
Lowell Ahart
2004-8-2
11327
Butte
Small bog in a large meadow, about 200 yards east of Keyser Creek, on the north side of the dirt County Road, about 3/4 mile (air) northeast of Oak Point, about 1/2 mile (air) west of Big Kimshew Creek, about 1 3/4 miles southeast of Bald Mountain
1452
Comment
CAS-BOT-BC18052
Carex athrostachya
E. B. Copeland
1929-7-28
607 a
Butte
Jonesville.
1550
Comment
CHSC45146
Carex athrostachya
Lowell Ahart
1981-8-15
3044
Butte
On the drying bottom of Snag Lake, about 10 miles north of Inskip.
1737
Comment
CAS-BOT-BC19104
Carex aurea
Lowell Ahart
1987-5-22
5678
Butte
Near the dirt road, about 0.125 mile northeast of Camp 18, about 6.5 miles northeast of Feather Falls.
1219
Comment
POM219507
Carex barbarae
H. F. Copeland
1923-4-8
s.n.
Butte
Near Butte Creek, lowlands of Butte County.
Comment
SEINET7552591
Carex bolanderi
Robert F. C. Naczi, Anton A. Reznicek
2006-8-1
11403
Butte
ca. 4 mi NE of community of Butte Meadows, ca. 0.1 mi N of Cherry Hill Campground, at crossing of small tributary of Butte Creek, W side of paved road.
1448
Comment
CAS-BOT-BC19416
Carex bolanderi
L. P. Janeway
1988-6-19
2838
Butte
3.3 mile north of Stirling City towards Inskip, along loggin road 0.2 mile west of Skyway.
1219
Comment
CHSC114423
Carex davyi
Don Lepley
2012-7-24
Butte
About nine air miles east of Butte Meadows and five air miles southeast of the top of Humboldt Peak, in the uppermost course of WillowCreek. UTM Coordinates: 10T 638150 E x 4439045 N.
1926
Comment
CAS-BOT-BC34952
Carex densa
J. D. Jokerst
1985-5-11
2325
Butte
Ca. 0.5 mile south of Bax Hall Flat, 1 mile east of Potter Ravine, immediately north of Lake Oroville.
Comment
CHSC52854
Carex densa
L. P. Janeway
1988-5-30
2716
Butte
Canyon of Big Chico Creek; upper Bidwell Park, 3.8 mi along Upper Park Rd from Wildwood Ave. Seep above Salmon Hole.
161
Comment
JEPS116081
Carex densa
Lowell Ahart
2009-5-23
15730
Butte
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
236
Comment
CHSC106048
Carex divulsa
L. P. Janeway
2010-6-3
9989
Butte
Sacramento Valley. Oroville: Centennial Plaza on top of the levee along the south side of Feather River between the north ends of Lincoln Street and Oak Street.
57
Comment
CAS-BOT-BC20002
Carex feta
John Thomas Howell
1962-6-15
37509
Butte
Sierra Nevada. Magalia.
731
Comment
CHSC65593
Carex feta
L. P. Janeway
1995-7-16
4860
Butte
0.8 mi northwest of Oak Point; 0.8 mi east of Transfer Ridge; east side of Breakneck Canyon 1.5 mi north of Kimshew Creek; along Concow Road 8.2 mi east of West Branch Feather River.
1402
Comment
SEINET7558570
Carex feta
L. P. Janeway
2003-6-8
7818
Butte
High Cascade Range. Flea Valley, at head of Concow Creek. Pulga 7.5' quad.
1116
Comment
SEINET10889103
Carex feta
A. Arthur Heller
1913-6-4
Heller 10781
Butte
Table Mountain Oliver Ranch north of Oroville.
Comment
CAS-BOT-BC21236
Carex fracta
Lowell Ahart
1987-7-8
5797
Butte
Along Big Bar Mountain Road, about 3 miles southwest of Coyote Gap, southease of Pulga.
1280
Comment
CHSC45253
Carex fracta
L. P. Janeway
1988-6-14
2784
Butte
Upper reaches of Haw Cr, 1 3/4 air mi SE of Lomo.
1226
Comment
CHSC86534
Carex gracilior
L. P. Janeway; John Hunt
2003-6-13
7829
Butte
Northern High Sierra Nevada. North side of South Fork Feather River arm of Lake Oroville, 230 m north of the north end of En-terprise Bridge. Dirt roadside at intersection of Springer Road (Road 19N31X) and Feather Falls Road (Lumpkin Ridge Road).
305
Comment
SEINET4292193
Carex gracilior
Unknown
2006-1
8608
Butte
Northern Sierra Nevada Foothills. Near the eastern shores of Lake Wyandotte, about 7.0 air km east-southeast of Oroville Dam. Oroville Dame 7.5' quad.
Comment
UC1609014
Carex heteroneura var. heteroneura
Lowell Ahart
1993-9-8
7157
Butte
on n side of ridge about 1 mi e Snow Mountain
2072
Comment
CHSC42827
Carex hirtissima
L. P. Janeway
1987-6-8
2180
Butte
3.0 mi S of Big Bar Mtn via rd.
1021
Comment
CHSC52266
Carex infirminervia
L. P. Janeway; R. A. Schlising, B. Castro
1988-7-30
3142
Butte
Southwest facing slope above Coon Hollow; near dirt road 1.2 mi W of its high point near the county line.
1950
Comment
CHSC45049
Carex integra
Vernon Oswald
1987-5-28
2941
Butte
Concow Rd. at Rag Dump. Grassy flat near Fall Creek.
1170
Comment
CHSC52868
Carex integra
L. P. Janeway
1988-6-19
2836
Butte
3.1 mi N of Stirling City towards Inskip; along logging road 0.2 mi W of Skyway.
1219
Comment
UCD140469
Carex inversa
Peter F. Zika
2010-5-16
24825
Butte
Safford Street near Third Avenue, Oroville, Janeway's Station, Sacramento Valley.
50
Comment
CAS-BOT-BC7780
Carex laeviculmis
P. L. Johannsen
1936-7-17
950
Butte
three miles southeast of Butte Meadows.
1554
Comment
CHSC34168
Carex laeviculmis
Lowell Ahart
1981-9-15
3171
Butte
Swamp, where the road forks and crosses French Creek, ca. 1 mi w of Sly Creek Reservoir.
1300
Comment
JEPS87493
Carex lemmonii
Lowell Ahart
1993-6-26
7007
Butte
about 1/4 mi w Lost Creek Reservoir (on the s side of the dirt road)
1036
Comment
CHSC52283
Carex mariposana
L. P. Janeway; R. A. Schlising, B. Castro, F. Jay Fuller
1988-7-11
2995
Butte
At Crane Valley (upper Big Kimshew Cr); a large montane meadow.
1569
Comment
JEPS120939
Carex multicaulis
Lowell Ahart
2013-5-27
18709
Butte
About 150 yards E of the intersection of Forbestown Road and Black Bart Road, about 3.25 air miles SW of Forbestown.
Comment
CHSC44125
Carex nervina
V. Oswald; L. Ahart
1988-7-26
3623
Butte
Snow Mt. region located ca. 6 air mi se of Jonesville.
2026
Comment
HSC87281
Carex nervina
L. P. Janeway, Robert A. Schlising
1988-7-16
3012
Butte
Along Willow Creek, 1 mi. W of Humbug Rd.
1799
Comment
HSC86840
Carex nervina
L. P. Janeway, Robert A. Schlising, B. Castro
1988-7-30
3146
Butte
Coon Hollow, along dirt road 0.9 mi. SE of W Branch Feather River
1646
Comment
CDA14050
Carex nudata
G. F. Hrusa, T. D. Wilfred
1997-5-1
13698
Butte
Sierra Nevada; NE side of upper end of Paradise Lake. Where last tributaries enter from east.
Comment
UCD140697
Carex nudata
Robert E. Preston
1990-4-19
595
Butte
on banks of Butte Creek, at site of proposed Forks of Butte diversion dam, west of DeSabla.
676
Comment
CHSC49387
Carex pachystachya
L. P. Janeway
1987-7-4
2413
Butte
Along West Branch Feather River at bridge 1.8 mi from Inskip.
1341
Comment
CHSC44992
Carex praegracilis
S. C. Morey
1983-7-24
624
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
1414
Comment
JEPS106104
Carex praegracilis
Lowell Ahart
2004-4-4
10728
Butte
In a pasture, on the north side of Richvale Highway, about 1/2 mile east of Richvale
32
Comment
CAS-BOT-BC118352
Carex praegracilis
L. P. Janeway
1987-5-20
2056
Butte
Near Gold Flat and Hodap Creek and the jct of Lunt Rd and Nelson Bar Rd.
457
Comment
CAS-BOT-BC117985
Carex rossii
L. P. Janeway; Robert A. Schlising; B. Castro; F. Jay Fuller
1988-7-11
2996
Butte
Kimshew Point quad. At Crane Valley (upper Big Kimshew Cr).
1569
Comment
CHSC44947
Carex simulata
L. P. Janeway; R. A. Schlising
1988-8-2
3150
Butte
Ca 1 1/2 air mi NW of Butte Meadows; along Cascade Cr ca 1/2 mi upstream of the Soda Springs USFS campground.
1143
Comment
CHSC11933
Carex subfusca
E. B. Copeland
1929-7-20
611
Butte
Jonesville. In woods by Jones Creek.
1500
Comment
CHSC41301
Carex subfusca
S. C. Morey
1983-7-22
537
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
1414
Comment
CHSC45043
Carex subfusca
Vernon Oswald
1983-7-19
878
Butte
Philbrook Rd. at the bridge crossing the West Branch of the Feather River.
1554
Comment
CAS-BOT-BC115685
Carex texensis
L. P. Janeway
1987-4-28
2010
Butte
Campus of CA State Univ, Chico. Semi-wild area on N side of Big Chico Cr.
57
Comment
SEINET7486568
Carex tumulicola
Peter F. Zika
2009-1
24506
Butte
SE side of Concow Road at south end of Concow Reservoir, 3.7 road miles N of Route 70, Cascade Range Highlands (CaRH)
Comment
CAS-BOT-BC115304
Carex utriculata
L. P. Janeway
1987-7-5
2460
Butte
Open dryish meadow near Dresser Camp, 3.0 mi N of Jones Meadow,
1889
Comment
CAS-BOT-BC65489
Carex vesicaria var. vesicaria
L. P. Janeway
1995-8-5
4889
Butte
North side of Humbug Summit Rd about 1.2 mi northeast of Snag Lake.
1801
Comment
CHSC43870
Carex vulpinoidea
Vernon Oswald
1987-6-5
2954
Butte
East side of Sacramento River just n of Golden State Island (perhaps now technically in Glenn County because of shifting channel).
33
Comment
CHSC43868
Carex whitneyi
Vernon Oswald
1983-8-17
985
Butte
Humboldt Summit on Humboldt Rd. n-e of Jonesville at the jct. of Butte, Tehama, and Plumas Counties.
1999
Comment
JEPS108148
Carex xerophila
L. P. Janeway
2005-5-29
8397
Butte
Northern High Sierra Nevada. Isolated block of serpentine between the east end of Hollywood Drive, Magalia and the upper end of Magalia Reservoir
762
Comment
UC2026868
Carpenteria californica
Lowell Ahart, Susan Bazell, Josephine Guardino, Wes Dempsey
2012-6-21
18201
Butte
About 50 yards south of the dam at Sycamore Pool, Lower Bidwell Park, Chico.
Comment
CHSC6052
Castanea dentata
M. MacArthur
1968-6-22
285
Butte
Ca. 20 ft. SE of Bld. D along So-Will-lin-no st., Chico State College.
60
Comment
JEPS18864
Castilleja
Rimo Bacigalupi with G. T. Robbins and Fran Chisaki
1956-4-19
5600
Butte
w limits (lower) Paradise
457
Comment
SEINET10931253
Castilleja
Mary Susan Taylor
1976-4-4
Taylor 1064
Butte
Yellow Pine Forest, ca. 2-5 mi W of junction of Ponderosa Way and Hwy 32, ca. 2-10 ft N and S of Ponderosa Way, ca. 23 mi NE of Chico; with Sanicula bipinnata, Calochortus monophyllus.
488
Comment
SEINET263349
Castilleja affinis
Lowell Ahart
1989-5-10
6222
Butte
About 1/10 mile NW of the West Branch Bridge across Lake Oroville
290
Comment
CHSC114973
Castilleja applegatei subsp. pinetorum
Lowell Ahart
2015-4-18
20055
Butte
On the east side of the road to Forbeestown Reservoir, about 1/4 mile southwest of the Forbestown Reservoir, about 3-1/2 miles (air) northeast of Forbestown.
573
Comment
CAS-BOT-BC255466
Castilleja applegatei var. pinetorum
H. F. Copeland
1929-6-10
1234
Butte
Jonesville
1524
Comment
CHSC43947
Castilleja attenuata
V. Oswald; L. Ahart
1988-5-15
3308
Butte
Lumpkin Ridge ne of Feather Falls, ca. 1.5 mi e of Camp 18.
1249
Comment
SD111899
Castilleja attenuata
Barbara Ertter, Lowell Ahart, Jeff Strachan
1980-5-6
3274
Butte
Peter Ahart Ranch ca 2I(c) mi NE of Honcut between Oroville and Marysville, plowed grainfiled, Valley Grassland
29
Comment
JEPS4561
Castilleja campestris subsp. campestris
Harry A. Dutton
1921-4-25
Butte
sw of Oroville
Comment
CHSC43166
Castilleja exserta
Don Kroessig
1979-4-16
1
Butte
On W side of Bruce Road 1.1 mile n of intersection with the Skyway.
76
Comment
CHSC81311
Castilleja exserta
J. Trizzino
2001-3-13
10
Butte
North Table Mountain.
384
Comment
CHSC114967
Castilleja exserta subsp. exserta
Lowell Ahart
2015-4-1
20000
Butte
Along Bear Valley Road, in Bear Valley, about 50 yards west of Bear Creek, about 6 miles south of Leesville, about 6 miles south of Highway 20.
395
Comment
CHSC42854
Castilleja subinclusa
Lowell Ahart
1987-5-11
5614
Butte
South of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown.
868
Comment
CAS-BOT-BC195580
Catapodium rigidum
Lowell Ahart
1979-4-28
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
CAS-BOT-BC48819
Ceanothus cuneatus
Carl B. Wolf
1937-3-29
8338
Butte
Sierra Nevada Foothills, 7 8/10 mi. below Paradise on Chico Road
152
Comment
CHSC20961
Ceanothus cuneatus
M. S. Taylor
1974-3-19
87
Butte
On creek side of Humbug Road, in vicinity of Honey Run Covered Bridge.
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
SEINET10493628
Ceanothus cuneatus
Mary Susan Taylor
1975-4-26
Taylor 523
Butte
Kunkle Reservoir, ca. 500 yds E of Pentz-Magalia Hwy, ca. 1 m SE of Paradise. With Orthocarpus erianthus, Centaurea solstitus, Lupinus bicolor, Typha latifolia.
610
Comment
CHSC100969
Ceanothus cuneatus var. cuneatus
Lowell Ahart; Josephine Guardino, Steve Green
2009-2-20
15486
Butte
On a ridge about 300 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
354
Comment
CAS-BOT-BC50782
Ceanothus integerrimus
Ira L. Wiggins
1925-3-25
1451
Butte
Two and one half miles above Pence on Pence-Magalia Road
Comment
RSA718378
Ceanothus integerrimus
L. Ahart
2006-6-24
12860
Butte
Dirt road (Ponderosa Way), at an intersection, a gated road goes NW on Cohasset Ridge, 3 3/4 miles (air) NE of Cohasset.
1128
Comment
UC1070772
Ceanothus integerrimus
P. L. Johannsen
1936-7-30
975
Butte
3 mi wsw Chaparral; Paynes Creek quad.
1371
Comment
CAS-BOT-BC51730
Ceanothus lemmonii
A. A. Heller
1914-5-18
11371
Butte
Forest Ranch, West slope of the Sierra near Forest Ranch
822
Comment
CAS-BOT-BC51731
Ceanothus lemmonii
Helen M. Edwards
1917-6-1
s.n.
Butte
De Sabla
Comment
CHSC45728
Ceanothus lemmonii
E. Ray Latham
1988-4-19
Butte
Population Cohasset ridge, 14 km ne of Chico municipal airport.
500
Comment
JEPS97589
Ceanothus lemmonii
R. D. Stone and W. B. Davilla
1984-4-21
596
Butte
ca. 0.3 mi SE of De Sabla Powerhouse; Butte Creek drainage
609
Comment
RSA0028435
Ceanothus lemmonii
M. M. Boney
1897-1
1724
Butte
Foothills
Comment
CHSC10678
Ceanothus oliganthus var. sorediatus
Lowell Ahart
1965-4-15
Butte
Robinson Mill Road.
60
Comment
POM193369
Ceanothus prostratus
E. B. Copeland
1930-7-7
425
Butte
Joneville.
488
Comment
UCD123936
Ceanothus prostratus
D. O. Burge
2007-5-11
921 e
Butte
East shore of Lake de Sabla, 1.5 road miles (2.4 km) north of intersection with Magalia Nimshew Road on Skyway, 7.35 km 338 deg. (True) NNW of Magalia.
850
Comment
RSA25676
Ceanothus prostratus var. occidentalis
Carl B. Wolf
1941-7-23
11054
Butte
Northern Sierra Nevada, 7 miles W of De Sabla on road to Forest Ranch.
762
Comment
CHSC52125
Ceanothus prostratus var. prostratus
Steven Triano
1988-4-17
57
Butte
Along e side of Hwy. 32, ca 6.5 mi n of Forest Ranch.
984
Comment
CDA38777
Celtis australis
L. Ahart, Linnea Hanson, Kaline Le Coq, Josephine Guardino
2012-4-27
17910
Butte
On the north side of the path, near table 14, on the north side of Centennial Avenue, Lower Bidwell Park, Chico.
Comment
CDA43059
Celtis australis
L. P. Janeway, B. Castro
2010-6-4
9990
Butte
Sacramento Valley.; Lower Bidwell Park, Chico; south side of Big Chico Creek, between South Park Drive and the creek; at junction of South Park Drive and Centennial Ave.
Comment
RSA0035337
Celtis australis
Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-10
18022
Butte
On the north side of Big Chico Creek, south of the path, south of the paved park road, south of the old walnut orchard, south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico.
76
Comment
CHSC108326
Centaurea stoebe subsp. micranthos
Lowell Ahart
2011-8-19
17638
Butte
On east side of the forest road, about 1/2 mile northwest of the bridge across the South Fork of the Feather River, about 7 miles (air) east-northeast of Feather Falls.
1243
Comment
SEINET10454818
Centaurium
Mary Susan Taylor
1980-6-29
Taylor 2993
Butte
T23N R1E nw sec 20 Richardson Spring quad; ca. 1 mi E of Meridian Rd, ca. 4 mi N of Chico; Valley Grassland.
70
Comment
UC1562423
Centaurium muehlenbergii
Lowell Ahart
1990-6-16
6511
Butte
on the e side Forbestown Reservoir (at the Forbestown Generator, on the e side of the dirt road)
487
Comment
CHSC62110
Centaurium tenuiflorum
L. P. Janeway
1993-7-2
4424 A
Butte
Plumas National Forest. Along Rd 22N84 0.45 mi west of Stony Creek and 1.45 mi west of Rd 23N28 (the road from Swaybe Hill to Big Bar Mtn).
926
Comment
SFV2768
Centaurium venustum
M. L. Vincent
1960-7-18
109
Butte
Sierra Nevada 4 miles south of Paradise at small reservoir, 0.25 miles off Pentz Road.
450
Comment
UC175564
Centaurium venustum
A. A. Heller
1913-6-4
10778
Butte
n of Oroville (Olive Ranch); Table Mountain
Comment
JEPS13270
Centromadia fitchii
Rimo Bacigalupi with G. T. Robbins
1955-7-15
5301
Butte
3.5 mi e Chico (one-half mi s of the Hooker Oak)
80
Comment
CHSC61005
Centunculus minimus
Lowell Ahart
1993-5-17
6953
Butte
On the margins of a large vernal pool, on the west side of Dunstone Road, about 1 1/2 air miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville.
60
Comment
CAS-BOT-BC222898
Cephalanthus occidentalis
M. S. Taylor
1980-8-30
3324
Butte
In Potter Ravine along creek at dirt rd crossing, betw. The High Rocks and Box Hall Flat, ca. 2 air mi e of Oregon City on Table Mt, 8 mi n of Oroville
304
Comment
JEPS122187
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.
Comment
RSA715921
Cerastium glomeratum
L. P. Janeway
2005-3-10
8344
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
UC203620
Cerastium glomeratum
A. A. Heller
1914-3-7
11187
Butte
low hills 8 mi. n. Oroville
Comment
UCR237326
Cerastium glomeratum
George K. Helmkamp, E. A. Helmkamp
2012-4-14
18735
Butte
Northern Sacramento Valley, Middle Honcut Road, 1.5 miles east of CA-70, ESE of Gridley
18
Comment
POM101604
Cerastium glomeratum
C. C. Bruce
1897-05
1843
Butte
[Unspecified]
Comment
UCD98053
Cerastium glomeratum
Robert Kehlor
1951-5-6
46
Butte
J. M. Kehlor Ranch, 6.25 miles east of Oroville.
Comment
CHSC35965
Ceratophyllum demersum
M. S. Taylor
1982-5-22
4493
Butte
Graylodge Waterfowl Refuge, in slough at end of West Liberty Rd, ca. 12 mi sw of Gridley.
19
Comment
CHSC116951
Cercocarpus betuloides
Matthew Forster
2013-3-5
Butte
Hwy 32 off of 14 Mile House Rd.
472
Comment
SEINET10483776
Cercocarpus betuloides
Lowell Ahart
1985-3-4
Ahart 4843
Butte
On red rocky soil near Kunkle Res., about 2 miles south of Paradise.
Comment
CHSC1541
Cercocarpus betuloides var. betuloides
M. Roberson
1956-5-14
Butte
SW Paradise, along Skway.
426
Comment
CHSC27316
Cercocarpus betuloides var. betuloides
T. B. Devine
1977-7-24
435
Butte
Growing beside Humbug Road, .5 mi s of Nimshew.
609
Comment
RSA794797
Cercocarpus betuloides var. betuloides
L. Ahart, John Dittes
2009-3-20
15518
Butte
On south side of the Guardian Rock Trail, about 175 yards southwest of the Ten Mile House Road Trail, about 200 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
CHSC86851
Chaenactis glabriuscula var. heterocarpha
L. P. Janeway; Gail Kuenster, Shirley Innecken
2003-5-14
7787
Butte
Northern Sierra Nevada Foothills. West side of West Branch Feather River arm of Lake Oroville, 680 m southwest of Cape Horn.
314
Comment
CHSC104005
Chamaecyparis lawsoniana
Lowell Ahart; Wes Dempsey, J. Guardino, S. Mason, S. Green
2010-5-28
16741
Butte
On the south side of the path, about 30 yards south of the Cedar Grove Parking Area in lower Bidwell Park, Chico.
67
Comment Read comments Jul 25 2018
UC1565641
Chamaemelum fuscatum
Lowell Ahart
1989-3-20
6193
Butte
about 13 mi s of Oroville (about 3 mi w of Honcut, w of intersection of Highway 70 and Lower Honcut Road)
30
Comment
SBBG28959
Chamaesaracha nana
E. B. Copeland
1929-7-16
Butte
Jonesville
1550
Comment
UC884528
Chamaesaracha nana
A. A. Heller
1917-7-29
12866
Butte
summit above Jonesville
2133
Comment
CDA34170
Chamaesyce maculata
L. Ahart
2009-10-7
16407
Butte
Larkin Road access to the Thermalito Afterbay, about 0.5 miles (air) southwest of Oroville.
Comment
CHSC108134
Chamaesyce maculata
Lowell Ahart
2011-10-29
17721
Butte
On the bare sides of a ditch, on the south side of Biggs Princeton Road, about 500 yards west of Riceton Highway, about 1 mile northwest of Biggs.
27
Comment
CHSC113145
Chamaesyce maculata
Lowell Ahart
2013-11-13
19252
Butte
Along road, about 100 yards west of the intersection of Sucker Run Road and Ponderosa Way, about 400 yards north of the Ponderosa Dam spillway.
299
Comment
CHSC94599
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
RSA724813
Chamaesyce maculata
L. Ahart
2006-9-11
13284
Butte
South edge of the North Fork of the Feather River, north side of Highway 760, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville.
432
Comment
SEINET10493564
Chamaesyce maculata
Lowell Ahart
1984-8-19
Ahart 4784
Butte
West of Pacific Heights Road, about 5 miles south-west of Oroville.
Comment
UC869161
Chamaesyce ocellata
A. A. Heller
1916-9-5
12645
Butte
8 mi n Oroville (in hills)
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
UC399640
Cheilanthes gracillima
H. M. Hall
July 1914
9806
Butte
near Jonesville
1737
Comment
UCSB26367
Cheilanthes gracillima
Smith, Dale
1965-6-28
Butte
Walker Plains, 20mi SW of Buck's Lake
Comment
SEINET10838810
Chenopodium album
Mary Susan Taylor
Taylor 772
Butte
Weedy or cultivated plants of Chico.
61
Comment
RSA746977
Chenopodium album var. missouriense
George K. Helmkamp, E. Helmkamp
2007-10-7
13065
Butte
East Gridley Road at the west edge of the Feather River bridge
27
Comment
JEPS95916
Chenopodium ambrosioides var. ambrosioides
Lowell Ahart
1999-8-22
8183
Butte
northwest of Parrott Landing; about 1 mile southeast of Ord Ferry; about 2 miles southeast of Ordbend; about 12 miles (air) southwest of Chico
32
Comment
POM312488
Chenopodium ambrosioides var. ambrosioides
H. L. Mason, Verne Grant
1946-8-14
13026
Butte
Canal near big pond on Sacramento Outing Club, Butte sink.
Comment
SEINET10479016
Chenopodium botrys
Lowell Ahart
1985-5-6
Ahart 4936
Butte
Bottom of Lindo Channel, about 1/10 mile east of Longfellow Ave., Chico.
Comment
CHSC60678
Chenopodium californicum
Vernon H. Oswald; Jim Snowden
1993-2-27
5231
Butte
Near rimrock on the N side of the first canyon (unnamed) on the SE side of Neal Rd., just east of the double power transmission lines.
121
Comment
UC392201
Chimaphila menziesii
E. B. Copeland
July, 1929
Butte
along Butte Creek (Jonesville); Jonesville
1550
Comment
JEPS117271
Chlorogalum angustifolium
Lowell Ahart
2010-5-14
16639
Butte
Along the east side of the poor dirt road, parking area, about 100 yards north of the entrance to the Disc Golf Area, west side of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico
394
Comment
JEPS50844
Chlorogalum angustifolium
Glen Keator
1967-5-20
GV 1
Butte
7 mi s Oroville
Comment
HSC33027
Chlorogalum angustifolium
Thomas W. Nelson, Jane P. Nelson
1976-5-9
2493
Butte
Beside SR 70 about 4 mi. S of Palermo Rd.
Comment
HSC38028
Chlorogalum angustifolium
Thomas W. Nelson, Jane P. Nelson
1976-5-10
2494
Butte
Beside SR 191 just N of its junction with SR 70
Comment
HSC38109
Chlorogalum angustifolium
Thomas W. Nelson, Jane P. Nelson
1976-5-9
2445
Butte
Intersection of Palermo Rd. and Hwy. 70, 4 mi. S of Oroville
Comment
SEINET10472638
Chlorogalum pomeridianum
Mary Susan Taylor
1978-7-21
Taylor 1841
Butte
Big Bald Rock, ca. 2 mi E of Lake Madrone, ca. 10 mi NE of Oroville; Yellow Pine Forest, granite soils.
998
Comment
CHSC109165
Chorizanthe membranacea
Lowell Ahart
2012-5-12
18038
Butte
On the west side of an old road, Humboldt Trail, about 1/10 mile west of Highway 32, south part of Upper Bidwell Prk, about 7-1/2 miles (air) northeast of Chico.
414
Comment
CHSC33127
Chorizanthe polygonoides var. polygonoides
J. D. Jokerst
1981-5-11
1311
Butte
Top of Doe Mill Ridge.
457
Comment
SEINET10479755
Chorizanthe stellulata
Mary Susan Taylor
1974-5-20
Taylor 236
Butte
Ca. 50 ft N of Skyway to Paradise, ca. 16 mi NE of Chico, on Burton's Mesa.
244
Comment
UC101516
Chorizanthe stellulata
Mrs. R. M. Austin
1883-1
Butte
Comment
UCD40403
Chrysolepis
Rodney Gale Myatt
1971-6-13
728
Butte
1 mi. north of Inskip. Skyway Road, north of Paradise. Road between Butte Meadows and Magala.
Comment
CHSC38336
Cichorium intybus
Vernon Oswald
1983-6-2
603
Butte
Upper Bidwell Park, Chico, at the E end of Upper Park Rd.
207
Comment
RSA754387
Cichorium intybus
L. Ahart
2009-7-3
15985
Butte
E side of the road, 30 yards SE of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 100 yards E of Cedar Grove, Lower Bidwell Park, Chico.
67
Comment
SEINET10901866
Cinna latifolia
Lowell Ahart
1983-8-16
Ahart 4287
Butte
T26N R4E nw section 28. Along a small stream that flows into Butte Creek, ca. 1 mi east of Butte Meadows. Yellow Pine Forest; 1450 m.
1450
Comment
CHSC27910
Circaea alpina subsp. pacifica
M. S. Taylor
1978-7-19
1741
Butte
Cherry Hill Campground, on s side of Old Humboldt Rd, ca. 2 mi sw of Jonesville.
1524
Comment
UCD130510
Cirsium andersonii
E. B. Copeland
1931-7-27
693
Butte
Jonesville.
1650
Comment
CHSC28678
Cirsium douglasii var. breweri
M. S. Taylor
1978-7-19
1747
Butte
Cherry Hill Campground, on s side of Old Humboldt Rd, ca. 2 mi sw of Jonesville.
1524
Comment
CAS-BOT-BC285526
Cirsium occidentale var. candidissimum
John Thomas Howell
1955-6-15
30485
Butte
6 miles from Paradise on road to Pentz
426
Comment
CHSC24767
Clarkia arcuata
P. J. Welch
1976-4-12
16
Butte
Ca. 0.65 mi e along Crown Pt. Rd. from intersection with Deer Creek Hwy. (Hwy. 32) and 30 yds n of Crown Pt. Rd.; 10.4 mi ene of Chico.
304
Comment
CAS-BOT-BC163541
Clarkia arcuata
E. B. Copeland
1899-4-22
s.n.
Butte
Near Chico
Comment
CHSC27035
Clarkia biloba subsp. brandegeeae
Robert A. Schlising
1978-6-25
3293
Butte
E of Oroville, 3.4 mi below L. Wyandotte near L. Oroville.
Comment
UCD104329
Clarkia biloba subsp. brandegeeae
L. P. Janeway
1993-9-20
4589
Butte
Near Ponderosa Dam, South Fork Feather River.
Comment
CHSC42366
Clarkia concinna subsp. concinna
Lowell Ahart
1987-5-9
5602
Butte
Along Pulga Road, about 2 miles south-west of Bardees Bar along the North Fork of the Feather River, about 4 1/2 miles south-west of Pulga.
365
Comment
CAS-BOT-BC164523
Clarkia gracilis subsp. albicaulis
Lowell Ahart
1987-5-9
5605
Butte
Near the bridge across the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
304
Comment
CHSC84018
Clarkia gracilis subsp. albicaulis
Lowell Ahart
2003-6-22
10297
Butte
In a native plant garden at the Durham Elementary School, Durham, about 5 miles south of Chico.
47
Comment
CHSC88085
Clarkia gracilis subsp. albicaulis
R. D. Fischer
2004-4-17
170
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located on edge of 10 Mile House Road at road's closest point to Big Chico Creek. Parallel rd., e. side, on steep bank. UTM: 10609373E 4407196N.
215
Comment
CHSC88643
Clarkia gracilis subsp. albicaulis
Linnea Hanson
1994-6-13
361
Butte
Plumas National Forest. Poe Power House Road.
365
Comment
UC1186583
Clarkia gracilis subsp. albicaulis
G. I. Stage, R. W. Thorp
1959-6-21
59 -120
Butte
11.9 mi ne Chico (Highway 32)
Comment
CAS-BOT-BC27107
Clarkia mildrediae
Amos Arthur Heller
1938-7-2
15153
Butte
On the Feather River Highway, 2 mi W of Arch Rock Tunnel.
Comment
CAS-BOT-BC163261
Clarkia mildrediae subsp. lutescens
L. P. Janeway
1993-7-2
4426
Butte
1.3 mi south-southwest of Hungry Hunt Peak; along Road 22N84 2.6 mi from Rd 23N28
993
Comment
CHSC35148
Clarkia mildrediae subsp. lutescens
R. Schlising; K. Tarp, R. Banchero
1981-7-11
4141
Butte
NE part of county, E of N Fork of Feather River at Coyote Gap region; at roadside along Four Trees Road.
1447
Comment
CHSC71141
Clarkia mildrediae subsp. lutescens
L. P. Janeway
1993-7-1
4412
Butte
Along French Creek Road 2.6 mi northeast of Stanwood Saddle and Oroville-Quincy Hwy. West-facing road cutbank.
902
Comment
CAS-BOT-BC163278
Clarkia mildrediae subsp. mildrediae
Gladys L. Smith
1976-6-5
4536
Butte
Roadside banks of Lower Feather River Canyon, Rte. 70
548
Comment
CHSC44635
Clarkia mildrediae subsp. mildrediae
Lowell Ahart
1988-6-21
6051
Butte
Near the North Fork of the Feather River, at the Poe Power House, about 2 miles south-east of Jarbo Gap.
277
Comment
CHSC71157
Clarkia mildrediae subsp. mildrediae
L. P. Janeway
1993-7-16
4391
Butte
Southeast side of North Fork Feather River; along Hwy 70 0.4 mi north of Cresta Powerhouse. Road cutbank.
457
Comment
RSA0059909
Clarkia mosquinii
L. Ahart
1984-6-8
4663
Butte
At the Ponderosa Dam, ca. 2 mi NW of Forbestown.
370
Comment
CAS-BOT-BC163653
Clarkia purpurea subsp. quadrivulnera
Lowell Ahart
1989-5-23
6249
Butte
Along the edges of Avocado Road, about 1/2 mile west of the Oroville Bangor Highway, about 1 mile north-west of Bangor
213
Comment
CHSC27727
Clarkia purpurea subsp. quadrivulnera
Robert A. Schlising
1978-5-20
3265
Butte
SE of Chico Airport, north of Chico, along Cohasset Hwy.
Comment
CHSC26849
Clarkia rhomboidea
M. S. Taylor; M. Hayes
1978-6-24
1642
Butte
On n side of Old Humboldt Rd at jct of Butte Creek and Old Humboldt Rd, ca. 1/2 mi w of Butte Meadows.
1371
Comment
CHSC59114
Clarkia rhomboidea
L. P. Janeway
1991-6-1
3979
Butte
West-facing cut-bank of Dark Canyon Road 0.9 mi south of Big Bend Road/Parkhill.
512
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
UCR133590
Clarkia rhomboidea
H. F. Copeland
1931-6-10
1520
Butte
Rocky crest of ridge between Willow and Colby Creeks
1677
Comment
CAS-BOT-BC164777
Clarkia rhomboidea
Lowell Ahart
1983-6-26
4118
Butte
Along Ponderosa Way, about 2 miles south-east of the intersection of the Oroville Quincy Highway and Ponderosa Way, about 15 miles north-east of Oroville
500
Comment
SEINET10939937
Clarkia rhomboidea
Mary Susan Taylor
1978-6-24
Taylor 1642
Butte
Ernies Island, in Butte Creek, junction with Old Humboldt Road, ca. 0.5 mi W of Butte Meadows; Yellow Pine Forest.
1372
Comment
CAS-BOT-BC165438
Clarkia unguiculata
Lowell Ahart
1989-5-31
6333
Butte
North of the end of Truex Road, near Lake Oroville, about 1/4 mile north-west of the West Branch Bridge across Lake Croville
304
Comment
CAS-BOT-BC165443
Clarkia unguiculata
A. A. Heller
1913-5-28
10767
Butte
Ditch along Table Mountain 8 miles north of Oroville
182
Comment
CAS-BOT-BC439110
Claytonia exigua subsp. exigua
A. A. Heller
1919-3-29
13094
Butte
Feather River near Yankee Hill
Comment
CAS-BOT-BC439427
Claytonia parviflora subsp. parviflora
Lowell Ahart
1987-5-6
5572
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
274
Comment
CHSC32637
Claytonia parviflora subsp. parviflora
M. S. Taylor
1981-4-2
3467
Butte
In serpentine gravel at base of cliff, se side of Forbestown Reservoir, s of rd 20N29, ca. 3 mi n of Woodleaf.
548
Comment
CHSC33109
Claytonia parviflora subsp. parviflora
M. S. Taylor
1981-5-5
3619
Butte
In shaded creek crossing 21N35 and , ca. 0.5 mi s of Feather Falls trailhead, Bryant Ravine, ca. 1 air mi n of Feather Falls.
853
Comment
CHSC56068
Claytonia parviflora subsp. parviflora
L. P. Janeway
1987-6-5
2134
Butte
Along French Creek Road 1.4 mi northeast of Oro-Quincy Hwy and Stanwood Saddle. Along small creek.
929
Comment
CAS-BOT-BC440031
Claytonia perfoliata subsp. perfoliata
Lowell Ahart
1980-5-17
2276
Butte
1/2 mile south-east of Hurleton.
600
Comment
CHSC34945
Claytonia perfoliata subsp. perfoliata
Debra Barton
1974-4-7
11
Butte
Abundant at Campotel Campground, 3 mi e of Oroville on Hwy. 162, left side of left road entrance, 400 ft from entrance.
Comment
CAS-BOT-BC443702
Claytonia rubra
L. P. Janeway
1988-7-16
2878
Butte
Creek along Bull Hill Road 2.2 mi from Skyway.
1508
Comment
SEINET10895985
Claytonia rubra
Mary Susan Taylor
1981-4-16
Taylor 3541
Butte
T21N R6E nw sec 18, Brush Creek quad. Galen Ridge, ca. 1 mi SE of Brush Creek. Yellow Pine Forest; 3400 ft.
1036
Comment
CHSC32745
Claytonia rubra subsp. rubra
M. S. Taylor
1981-4-16
3541
Butte
Ca. 50 ft w of Bald Rock Rd, ca. 1 mi s of Brush Creek on Oroville-Quincy Hwy.
1036
Comment
CHSC56070
Claytonia rubra subsp. rubra
L. P. Janeway
1988-6-14
2774
Butte
Ewalt Camp; edge of open dry meadow along West Branch Butte Creek 2.0 mi east from Hwy 32 by dirt road.
922
Comment
CAS-BOT-BC443765
Claytonia rubra subsp. rubra
A. A. Heller
1918-5-5
13007
Butte
Near Magalia
Comment
CHSC84380
Clematis ligusticifolia
L. Ahart; P. Ahart
1983-7-24
4215
Butte
At the Forbestown Reservoir, ca. 5 mi ne of Forbestown.
450
Comment
CHSC89461
Clematis ligusticifolia
R. D. Fischer
2004-7-18
451
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 end of park property. Along drainage, between road and Big Chico Creek.
216
Comment
CHSC42810
Clintonia uniflora
L. P. Janeway
1987-6-13
2221
Butte
Along Concow Rd just SW of rd to Five Corners and Stirling City.
1188
Comment
SEINET10469618
Clintonia uniflora
Mary Susan Taylor
1982-6-24
Taylor 4745
Butte
T23N R4E ne/nw sec 13. Pulga SW quad. Rag Dump 5, ca. 2 mi n of Flea Mt, ca. 10 mi n of Jarbo Gap on Hwy 70. Elev ca. 3800 ft.
1158
Comment
SEINET12268888
Collinsia bicolor
Unknown
5
s.n.
Butte
no further locality
Comment
CHSC109118
Collinsia sparsiflora var. collina
Lowell Ahart
2012-3-23
17784
Butte
On the sides of the trail down to Big Chico Creek, about 50 yards west of Ten Mile House Road, about 3/4 mile west of Highway 32, about 9 miles (air) northeast of Chico.
215
Comment
CHSC11087
Collinsia tinctoria
Lowell Ahart
1968-6-6
Butte
Near Swede's Flat Road.
121
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
CHSC26171
Collomia heterophylla
J. P. Kroessig
1977-6-14
39
Butte
Ca 8 km n and w on dirt road at n end of Concow Road, ca 13 km ne of Paradise.
1100
Comment
CHSC96665
Collomia heterophylla
Lowell Ahart
2007-4-30
13704
Butte
On the east side of Jordan Hill road, about 1 1/2 miles northwest of Concow Creek, about 1 1/2 miles west of Concow Reservoir.
358
Comment
RSA337391
Collomia heterophylla
L. Ahart, P. Ahart
1984-6-10
4694
Butte
About 2 mi SW of Forbestown Diversion Dam, NE of Forbestown.
700
Comment
CAS-BOT-BC285920
Conyza bonariensis
Lowell Ahart
1974-11-21
s.n.
Butte
Peter Ahart Ranch, Honcut
45
Comment
CAS-BOT-BC286065
Conyza canadensis
Lowell Ahart
1987-7-17
5836
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
271
Comment
UC398907
Corallorhiza maculata
E. B. Copeland
1929-7-22
356
Butte
Jonesville
1550
Comment
POM168516
Corallorhiza maculata
Kate Conger
1907-1
s.n.
Butte
Brush Creek
Comment
JEPS115716
Cordylanthus pilosus subsp. hansenii
Lowell Ahart
2009-8-3
16253
Butte
On the west side of Ten Mile House Road, jabout 30 yards east of Big Chico Creek, 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
234
Comment
UCD123105
Cordylanthus pilosus subsp. hansenii
L. Ahart
1977-6-16
1427
Butte
Peter Ahart Ranch, Honcut.
50
Comment
UC1562382
Cordylanthus tenuis subsp. viscidus
Vernon Oswald and Lowell Ahart
1990-7-31
4415
Butte
ca 2 mi ne Concow (Jeep Trail between Concow Rd and Rim Rd)
899
Comment
POM193363
Cornus californica
E. B. Copeland
1930-6-25
431
Butte
Jonesville.
1500
Comment
CHSC31087
Cornus nuttallii
Herb Allan McLane
1980-4-25
21
Butte
20 ft. n of Ponderosa Way, Plumas National Forest.
670
Comment
UC600763
Cornus sericea subsp. sericea
H. F. Copeland
1931-6-11
Butte
by Scotch John Creek in Butte Creek Canyon Jonesville; Butte Creek Canyon, Scotch John Creek
Comment
JEPS46188
Cornus sessilis
Duncan Dunning
1921-8-1
Butte
Big Chico Creek near West Branch; Big Chico Creek near West Branch
792
Comment Read comments Jun 21 2007
UC1122804
Cornus sessilis
R. Bacigalupi
1934-9-2
2325
Butte
10 mi. s.w. Butte Meadows (along Chico-Butte Meadows Rd., canyon of W. Fork Campbell Creek); Lassen Nat'l Forest, Chico Quad., W. Fork Campbell Creek
Comment
UC600688
Corydalis caseana subsp. caseana
H. F. Copeland
1927-9-4
758
Butte
Jonesville
Comment
CHSC29241
Corylus cornuta var. californica
M. S. Taylor
1980-5-8
2609
Butte
Ca. 3 mi n of Forst Ranch, ca. 1 mi e of Hwy 32.
853
Comment
CHSC103942
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
CAS-BOT-BC427627
Crassula aquatica
Lowell Ahart
1974-4-11
s.n.
Butte
Honcut
45
Comment
CHSC62352
Crassula connata
B. Castro
1990-3-31
416
Butte
Ca 4 mi SW of Paradise, S of Neal Rd ca 0.1 mi SE of Elliot Spring House.
297
Comment
JEPS103410
Crassula connata
Lowell Ahart
2002-4-14
9481
Butte
Area between the Railroad and the Midway Road, 50 yards S of Nelson Dlavo Road, in Nelson.
36
Comment
CAS-BOT-BC427666
Crassula connata
Lowell Ahart
1974-4-11
s.n.
Butte
Honcut
45
Comment
CAS-BOT-BC427958
Crassula tillaea
Lowell Ahart
1973-4-15
s.n.
Butte
Sutter Buttes Region. Peter Ahart Ranch, Honcut
150
Comment
CHSC44891
Crepis pleurocarpa
Lowell Ahart
1988-7-28
6139
Butte
Hillside at the north side of the dam at Lost Creek Reservoir.
1036
Comment
CHSC33291
Croton setiger
S. Posner
1972-9-24
2
Butte
Edge of Skyway between Hwy. 99 and Humbug Rd.
Comment
UCSB3581
Croton setiger
Copeland, H.
1937-7-30
Butte
Near Oroville
Comment
CHSC77995
Crucianella angustifolia
Lowell Ahart
2000-5-13
8354
Butte
Near the margin of the Thermalito Afterbay, on the south side of the access road to the boat ramp at the Thermalito Afterbay, west of Larkin Road, about 1 1/4 miles south of the Oroville Airport, about 5 miles (air) southwest of Oroville.
42
Comment
CHSC41984
Crypsis schoenoides
Lowell Ahart
1986-11-14
5481
Butte
On the bottom of a pond, about 1/10 mile south of the clay burrow for Oroville Dam, about 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville.
36
Comment
CHSC97688
Crypsis schoenoides
Lowell Ahart
2007-11-3
14557
Butte
Along a very small stream, below the high water line of Lake Oroville, about 3/4 mile east of the Power House below Kunckle Reservoir, about 1 1/4 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise.
259
Comment
CAS-BOT-BC249066
Cryptantha flaccida
George K. Helmkamp; E. A. Helmkamp
2012-4-14
18766
Butte
Northwestern Sacramento Valley: entrance to Oroville Wildlife Area, 0.2 mile west of CA-70, near the Feather River
46
Comment
CHSC33134
Cryptantha flaccida
J. D. Jokerst
1980-5-28
799
Butte
Top of North Table Mt, S of Cherokee Rd.
Comment
CHSC33419
Cryptantha flaccida
R. A. Schlising; J. D. Jokerst
1980-7-2
3820
Butte
1.4 mi S of junction of Nimshew and Centerville Roads at Nimshew, along Centerville Road.
Comment
SEINET10497275
Cryptantha flaccida
Lowell Ahart
1985-5-6
Ahart 4931
Butte
Along Table Mountain Boulevard, south of the Cambell Overflow, 1/2 mile south of the inter- section of Highway 70 and 149, about 7 miles north of Oroville.
Comment
SEINET10497605
Cryptantha hendersonii
Lowell Ahart
1983-5-28
Ahart 4020
Butte
Along trail to Feather Falls, ca. 5 mi n of the town of Feather Falls. Yellow Pine Forest; 600 m.
600
Comment
CHSC67753
Cryptantha intermedia
James D. Jokerst; M. S. Taylor
1980-4-19
611
Butte
Humbug Rd. 7.4 mi N of Centerville Cemetery.
Comment
HSC96916
Cryptantha intermedia
L. Ahart
2006-6-9
12656
Butte
N side of Bardees Bar Rd., E of the large stream, about 1/10 mi. N of the bridge across the N Fork of the Feather River at Bardees Bar, about 2.75 mi. SW of Pulga
355
Comment
CHSC39538
Cryptantha simulans
Lowell Ahart
1983-5-28
4020
Butte
On both sides of the trail to Feather Falls, about 5 1/4 miles north of the town of Feather Falls.
600
Comment
CHSC29969
Cryptantha torreyana
R. A. Schlising; S. Azevedo
1980-6-13
3704
Butte
NE of Forest Ranch, 2.3 mi E and SE of Hwy 32 on Garland Road, near jct with Doe Mill Rd and Ponderosa Way.
902
Comment
CHSC33413
Cryptantha torreyana
R. A. Schlising
1980-7-5
3832
Butte
N part of county; at roadside, 2.0 miles S of Butte Meadows junction of Skyway and Humboldt Road, along latter.
1432
Comment
UC857289
Cryptantha torreyana
A. A. Heller
1917-7-26
12818
Butte
Butte Meadows
1402
Comment
SEINET10529783
Cryptogramma crispa subsp. acrostichoides
Mary Susan Taylor
1979-7-21
Taylor 2151
Butte
Humboldt Peak, at Humboldt Summit, tallest point in the county, on Butte- Tehama County line.
2155
Comment
CHSC43655
Cucurbita foetidissima
Vernon Oswald
1984-8-20
1652
Butte
Midway Rd. at Butte Creek s of Durham.
45
Comment
UCD133542
Cupressus macnabiana
B. F. Smith
1970-10-9
99
Butte
3.3 miles north of Jarbo Gap, Lassen National Forest.
883
Comment
CHSC45036
Cuscuta californica
Lowell Ahart
1988-8-10
6170
Butte
West of Lunt Road, about 1/2 mile north-west of Highway 70.
548
Comment
SEINET10837232
Cuscuta ceanothi
Lowell Ahart
1991-8-25
Ahart 6706
Butte
On the north side of the dirt road, Forest Road 23N60 (Jordan Creek-Marble Creek Road), east of Oroville- Quincy Hwy, about 5 miles (air) northeast of Brush Creek, Yellow Pine Forest. T22N R6E CENTER/23.
1097
Comment
CHSC46288
Cuscuta howelliana
Vernon Oswald
1989-5-17
3774
Butte
Wurlitzer Unit, Vina Plains Preserve.
56
Comment
CHSC48364
Cuscuta howelliana
Vernon Oswald
1988-6-7
3356
Butte
Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. Vernal pool along Hwy 99 just n of Dry Creek.
54
Comment
CHSC55056
Cuscuta subinclusa
Lowell Ahart
1991-8-25
6706
Butte
North side of the dirt road, Forest Rd 23N60 (Jordan Creek-Marble Creek Rd), east of Oroville-Quincy Hwy, about 5 miles (air) north-east of Brush Creek.
1097
Comment
CHSC78827
Cycloloma atriplicifolium
Lowell Ahart
2000-10-15
8708
Butte
North of a large pond on the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
CAS-BOT-BC190248
Cynodon dactylon
Lowell Ahart
1986-11-14
5465
Butte
About 0.1 mile south of the clay burrow for Oroville Dam, 0.25 mile east of Larking Road, about 6 miles southwest of Oroville.
36
Comment
CHSC2139
Cynodon dactylon
B. Hetherington
1949-5-1
Butte
Chico.
57
Comment
CHSC57165
Cynodon dactylon
R. L. Ondricek-Fallscheer
1982-5-26
136
Butte
In yard of house on plateau at southwest end of Flatiron Ridge, ca 3 1/2 mi west-southwest of Paradise.
192
Comment
CHSC83051
Cynodon dactylon
Lowell Ahart
2002-10-17
9998
Butte
On the hills below the high water line of Lake Oroville, about 1 1/2 miles south of Highway 162 (Oroville Quincy Highway), about 3 miles (air) northeast of Oroville Dam.
227
Comment
POM72532
Cynoglossum grande
C. C. Bruce
1897-03
2092
Butte
Little Chico
Comment
CHSC33516
Cynoglossum occidentale
R. Preston; R. Banchero, R. A. Schlising
1981-7-14
4151
Butte
N part of county, W of Humbug Summit.
1828
Comment
CHSC82508
Cynosurus echinatus
Lowell Ahart; John Dittes, Josephine Guardino
2002-6-21
9737
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
JEPS127226
Cynosurus echinatus
Lowell Ahart
2016-5-30
20902
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
CDA35770
Cynosurus echinatus
J. R. Keck Jr.
1981-5-13
PDR# 237677
Butte
Oroville.
0
Comment
SEINET10502764
Cyperus
Lowell Ahart
1984-9-24
Ahart 4810
Butte
Along edge of Middle Honcut Road, ca. 3/4 mi E of Hwy 70, ca. 12 mi S of Oroville. Valley Grassland; 35 m.
35
Comment
CHSC31690
Cyperus difformis
L. Ahart
1974-10-20
666
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CAS-BOT-BC114739
Cyperus difformis
Lowell Ahart
1986-11-9
5446
Butte
Ca. 1/10 mi S of the clay burrow for Oroville Dam, 1/4 mi E of Larkin Rd,
36
Comment
CAS-BOT-BC114605
Cyperus eragrostis
Lowell Ahart
1987-7-17
5833
Butte
On a sand bar along the North Fork of the Feather River,
271
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
CHSC4304
Cyperus eragrostis
V. Hagaman
1966-5-21
Butte
Alligator Hole just above stream.
Comment
CHSC55607
Cyperus eragrostis
L. P. Janeway; C. A. Janeway
1986-10-4
1905
Butte
Gravel bar along Butte Creek ca 2 1/2 mi east of Skyway.
45
Comment
UC838658
Cyperus eragrostis
Lewis S. Rose
1939-6-11
39277
Butte
6 mi. e. Honcut
137
Comment
CHSC45159
Cyperus erythrorhizos
Lowell Ahart
1974-11-9
675
Butte
Near the edges of our drained rice field, Peter Ahart Ranch, about 2 1/4 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
UC1100514
Cyperus erythrorhizos
Herbert L. Mason and Verne Grant
1946-8-14
13022
Butte
canal near big pond by Sacramento Outing Club; Butte Sink
Comment
UCD141048
Cyperus erythrorhizos
E. M. Johnston
1915-1
W 153 J
Butte
Biggs.
Comment
CHSC43283
Cyperus flavescens
Lowell Ahart
1987-8-30
5865
Butte
On a sand bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC65182
Cyperus flavescens
Lowell Ahart
1995-8-19
7618
Butte
East side of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2 3/4 miles east of Honcut, about 12 miles south-east of Oroville.
36
Comment
CHSC109779
Cyperus fuscus
Lowell Ahart
2012-10-20
18500
Butte
About 50 yards west of Table 4, west of Cedar Grove, Lower Bidwell Park, Chico.
68
Comment
CHSC76405
Cyperus fuscus
Lowell Ahart; Vernon H. Oswald
1999-10-3
8287
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
CHSC6603
Cyperus involucratus
M. MacArthur
1968-6-13
313
Butte
Location: SW yard of Building V, Chico Crare College campus.
60
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
CAS-BOT-BC113849
Cyperus niger var. capitatus
Lowell Ahart
1980-7-29
2511
Butte
Along Lower Forbestown Road.
750
Comment
POM313079
Cyperus niger var. capitatus
H. L. Mason, Verne Grant
1946-9-27
13141
Butte
3 miles west of Biggs.
Comment
UC144668
Cyperus squarrosus
Dr. E. B. Copeland
1903-7-27
3489
Butte
Chico
Comment
RSA755341
Cyperus strigosus
L. Ahart
2009-8-13
16276
Butte
In the channel, about 100 yards east of the diversion structure that controls Mud Creek diversion and Lindo Channel, northeast of Hooker Oak, Upper Bidwell Park, Chico.
69
Comment
SEINET3164918
Cyperus vegetus
L. S. Rose
1939-6-11
39277
Butte
6 mi. e. of Honcut
137
Comment
SD9857
Cystopteris fragilis
E. B. Copeland
1931-6-10
602
Butte
Jonesville, by Butte Creek
1550
Comment
CHSC109588
Dactylis glomerata
Lowell Ahart
2012-5-23
18107
Butte
Along the horse trail, north of Table 32, about 50 yards south of Vallombrosa Avenue, southwest of Crister, Lower Bidwell Park, Chico.
70
Comment
SEINET10515557
Dactylis glomerata
Mary Susan Taylor
1980-5-27
Taylor 2645
Butte
T21N R6E sc sec. 30. Big Bend quad. On trail (around parking lot) to Big Bald Rock, ca. 3 mi. E of Lake Madrone; Yelow Pine Forest, granitic soils.
998
Comment
UC1100156
Damasonium californicum
Herbert L. Mason
1927-5-9
3705
Butte
15 mi. w. Oroville; Sacramento Valley
Comment
UCD137972
Damasonium californicum
L. Ahart
1974-5-12
451
Butte
along Central House Road, near Honcut.
30
Comment
CAS-BOT-BC189854
Danthonia californica
Lowell Ahart
1987-7-8
5812
Butte
Along Walker Plains Road, about 1/8 mile north of Coyote Gap, about 5 miles east of Pulga.
1280
Comment
CHSC68914
Danthonia californica var. americana
Lowell Ahart
1997-7-11
7755
Butte
Along a stream, north 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
CHSC42008
Datura ferox
Lowell Ahart
1986-11-7
5416
Butte
In a prune orchard, east of the Feather River and the Oroville Gridley Highway, about 3 miles east of Gridley.
28
Comment
CHSC49433
Datura ferox
Vernon Oswald
1987-8-13
3210
Butte
Portion of Rancho Bosquejo. Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River. In a bean field.
48
Comment
CHSC40616
Datura wrightii
Lowell Ahart
1985-9-14
5167
Butte
On the east side of a building, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
33
Comment
CHSC42578
Daucus carota
Vernon Oswald
1985-5-20
1764
Butte
Lower Hgoncut Rd. 0.1 mi e of N. Honcut Creek.
Comment
SEINET10840961
Daucus pusillus
Mary Susan Taylor
1980-6-14
Taylor 2882
Butte
On W side of Oroville-Quincy Hwy, ca. 1 mi (2 mi by car) N of Bidwell Bar Bridge over the S fork of Feather River, ca. 7 mi S of Lake Madrone.
457
Comment
CAS-BOT-BC173263
Delphinium
M. S. Taylor
1978-7-19
1757
Butte
On w side of Upper Scotts John Rd, ca. 2 mi n of jct of Upper Scotts John Rd and Scotts John Rd, ca. 4 mi e of Jonesville
1828
Comment
SEINET10536229
Delphinium
Mary Susan Taylor
1979-5-4
Taylor 1985
Butte
T21N R6E sec 10. Millsap Bar Campground, ca. 9 mi NE of junction of Millsap Bar Road with Brush Creek Road, ca. 26 mi NE of Oroville; Yellow Pine Forest with limestone outcrops.
1006
Comment
CHSC30032
Delphinium gracilentum
L. Ahart
1980-5-25
2337
Butte
Near the intersection of Forbestown Rd and Ponderosa Way, near Old Forbestown.
1000
Comment
POM253331
Delphinium hansenii
A. A. Heller
1938-5-28
15110
Butte
2.5 miles from Oroville on the Feather River Hwy.
Comment
RSA0118757
Delphinium hansenii subsp. hansenii
Lawrence P. Janeway
2016-5-5
11941
Butte
Cascade Range Foothills. Along Humboldt Road 2.3 road-km northeast of Bruce Road; Chico.
152
Comment
UC1080379
Delphinium hansenii subsp. hansenii
E. K. Balls
1957-5-22
22501
Butte
Hwy U.S. 40, 8.6 mi NE of Oroville, Foothill Woodland Plant Community
91
Comment
CHSC56579
Delphinium hesperium subsp. hesperium
J. D. Jokerst
1981-5-11
1308
Butte
Top of Doe Mill Ridge, center.
457
Comment
CHSC24928
Delphinium nudicaule
T. L. Reynolds
1976-4-23
54
Butte
2.9 mi ne of Covered Bridge, 9.8 mi e of Chico.
198
Comment
RSA398659
Delphinium nudicaule
M. M. Boney
1897-1
s.n.
Butte
[No location data on label]
Comment
CAS-BOT-BC8026
Delphinium nuttallianum
E. B. Copeland
1930-6-25
416
Butte
Jonesville
1550
Comment
SEINET5338095
Delphinium nuttallianum
D. H. Heinze
1963-4-16
s.n.
Butte
Chico Calif., Valley grassland.
61
Comment
CHSC31340
Delphinium patens subsp. patens
Herb Allan McLane
1980-4-23
6
Butte
1.2 mi sw of Ponderosa Dam, se of trail, Plumas National Forest.
426
Comment
CAS-BOT-BC121611
Delphinium patens subsp. patens
A. A. Heller
1919-5-18
13176
Butte
Mosquito Creek between Appleton and Coutelence
Comment
UC1185307
Delphinium recurvatum
H. E. Brown
May 1 1897-May 15 1897
207
Butte
near Clear Creek
Comment
CHSC53166
Delphinium variegatum
Terril Wolt
1970-4-29
31
Butte
In Upper Bidwell Park, 50 ft. E. of Horseshoe Pond, Chico.
Comment
UC1562846
Delphinium variegatum
Barbara Ertter with Lowell Ahart
1986-4-13
5886
Butte
ca 2 air mi nne Honcut (between Oroville and Marysville); Peter Ahart Ranch
30
Comment
CHSC52947
Delphinium variegatum subsp. variegatum
B. Castro
1982-4-9
9
Butte
On roadcut on s side of Hwy 70, ca. 5 mi from jct of Hwys 70 and 149, ca. 9 mi ne of Oroville.
146
Comment
CAS-BOT-BC82871
Dendromecon rigida
A. A. Heller
1918-5-5
13010
Butte
Near Magalia.
Comment
CAS-BOT-BC82879
Dendromecon rigida
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla.
Comment
SEINET10973508
Dentaria tenella var. palmata
Mary Susan Taylor
1979-3-31
Taylor 1970
Butte
On property belonging to Deanne Lickey; along Ishi Trail Road, ca. 0.5 mi NE of Concow Road and Lake Concow, ca. 25 mi N of Oroville; Yellow Pine Forest; granite soils.
671
Comment
UC589923
Deschampsia cespitosa subsp. cespitosa
H. S. Yates
1936-8-13
6110
Butte
2 1/2 mi. s.-s.e. Butte Meadows; Paynes Creek Quad.
1493
Comment
CAS-BOT-BC201739
Deschampsia elongata
Lowell Ahart
1984-6-10
4700
Butte
About 2 miles south-west of the Forbestown Diversion Dam, north-east of Forbestown
700
Comment
UCR143556
Deschampsia elongata
H. F. Copeland
1930-7-24
1343
Butte
Jonesville
1524
Comment
JEPS121310
Descurainia sophia
Lowell Ahart
2013-4-20
18558
Butte
Corral at the barn, about 1/4 mile N of Honcut Cemetery, about 3 1/4 air miles NE of Honcut.
Comment
CHSC86952
Dianthus armeria subsp. armeria
L. P. Janeway; B. Castro
2001-6-17
7184
Butte
Northern High Sierra Nevada. 5.5 km (air) northeast of Brush Creek; 1.6 km south of Junction House, along Road 22N49 parallel to and 60-100 m west of Oroville-Quincy Hwy.
1000
Comment
CAS-BOT-BC402383
Dicentra formosa subsp. formosa
A. A. Heller
1915-6-11
11965
Butte
Chico Meadows in the Sierra Nevada
1219
Comment
POM148827
Dicentra formosa subsp. formosa
Helen M. Edwards
1917-06
s.n.
Butte
De Sabla.
Comment
CHSC19653
Dicentra formosa subsp. oregana
K. R. Stern
1966-4-1
Butte
Chico.
Comment
CHSC30700
Dichelostemma capitatum subsp. capitatum
M. S. Taylor
1980-5-27
2712
Butte
Little Bald Rock, ca. 3 mi s of Brush Creek.
1016
Comment
CHSC4223
Dichelostemma capitatum subsp. capitatum
L. R. Alexander
1967-3-9
29
Butte
Fairly abundant 4 mi. se of Chico ca. 200 yds. Off the left hand side of Paradise road.
182
Comment
SJSU15295
Dichelostemma capitatum subsp. capitatum
Lisa Morton
2002-3-24
5
Butte
Upper Bidwell Park, base of N. Rim Trail.
50
Comment
RSA333553
Dichelostemma capitatum subsp. capitatum
Craig Martz, Richard F. Sannar
1982-3-23
32
Butte
South end of 18th Street, about 0.25 mile S of State Route 162 in Thermalito.
150
Comment
RSA333575
Dichelostemma capitatum subsp. capitatum
Craig Martz, Richard F. Sannar
1982-3-16
24
Butte
Along State Route 70, 1 mile N of intersection with Palermo Road, S of Oroville.
150
Comment
SEINET10833771
Dichelostemma congestum
A. Arthur Heller
1902-5-8
Heller s.n. 1902
Butte
Berry Canon (near Clear Creek)
Comment
UCD80430
Dichelostemma multiflorum
CNPS SN Foothill Team
2006-5-25
SNNR 0958
Butte
Horning Ranch, private.
189
Comment
CAS-BOT-BC501096
Dichelostemma multiflorum
John Thomas Howell
1962-6-15
37466
Butte
Magalia, Sierra Nevada
731
Comment
SEINET10533976
Dichelostemma multiflorum
Mary Susan Taylor
1980-4-27
Taylor 2570
Butte
T22N R2E so sec 25. N side of Humburg Rd., ca 1/4 mile upstream from Honey Run Covered Bridge, ca 7 miles e of Chico. Foothill Woodland; 400 ft. With Tritelia laxa, Daucus pusillus, Allium.
Comment
CAS-BOT-BC502524
Dichelostemma volubile
H. E. Brown
1897-4-15
210
Butte
Near Clear Creek
Comment
CAS-BOT-BC209031
Digitaria sanguinalis
John Thomas Howell
1961-9-22
36733
Butte
Bank of Feather River, Oroville
53
Comment
CDA1971
Digitaria sanguinalis
L. Ahart
2002-9-7
9926
Butte
East side of Cherokee Road, north of the Thermalito Diversion Canal, on the west side of the water purification pond, about 1 mi. north of Oroville.
Comment
CDA38791
Digitaria sanguinalis
L. Ahart
2011-10-29
17728
Butte
On the south side of Biggs Princeton Road, about 500 yards west of Riceton Highway, about 1 mile northwest of Biggs.
Comment
RSA29936
Digitaria sanguinalis
I. L. Wiggins
1928-9-9
3340
Butte
Sandy Gulch Creek, 3 miles west of Chico
Comment
UCD63992
Digitaria sanguinalis
L. E. Hazeltine
1916-7-10
Butte
Chico.
Comment
CAS-BOT-BC150203
Diplacus
John Thomas Howell
1967-6-22
42608
Butte
Magalia
701
Comment
SEINET10570112
Diplacus grandiflorus
Mary Susan Taylor
1981-4-5
Taylor 3481
Butte
T21N R4E se sec 2; Berry Creek quad. E side of Dark Canyon Rd, 2.2 mi s of its jct with Big Bend Rds, ca. 3 air mi s of Jarbo Gap on Hwy 70, n of Oroville. Steep rock wall; 1400 ft.
427
Comment
CHSC12191
Diplacus kelloggii
Lowell Ahart
1973-4-15
Butte
Swedes Flat Road, Bangor.
304
Comment
CHSC44747
Diplacus kelloggii
R. Banchero
1980-4-7
94
Butte
Along Swedes Flat Rd ca 2.6 mi E of its jct with the Bangor Hwy, Ca 0.8 mi W of the jct of the Hurleton-Swedes Flats Rd and Swede Flat rd.
373
Comment
CHSC44810
Diplacus kelloggii
R. Banchero
1980-4-13
113
Butte
Along the bluffs 0.7 mi NW of the Covered Bridge, ca 6.8 mi E of Chico.
304
Comment
CAS-BOT-BC153214
Diplacus kelloggii
C. C., Mrs. Bruce
1897-4-1
2102
Butte
Little Chico
Comment
CHSC93965
Diplacus layneae
R. D. Fischer
2004-6-20
761
Butte
Sierra Nevada Mountains, north-east corner of Butte County and ca. 2 miles west of Butte Meadows on Humboldt Road. Plants collected roadside off eroded, gravelly volcanic soil.
1417
Comment
CHSC44803
Diplacus torreyi
R. Banchero
1980-6-2
182
Butte
Along Humbolt Rd 0.6 mi NE of its jct with Hwy 32, 3.8 mi SW of the Butte Meadow Fire Station.
1219
Comment
CHSC44809
Diplacus torreyi
R. Banchero
1980-6-6
200
Butte
Along Bald Rock Rd 1.5 mi S of the upper jct with Hwy 162.
999
Comment
CAS-BOT-BC208613
Distichlis spicata
Lowell Ahart
1981-5-16
2808
Butte
Along the edge of the road, Gray Lodge Waterfowl Management Area, 11 miles SW of Gridley
35
Comment
UCD169282
Dittrichia graveolens
Lowell Ahart
2007-10-30
14510
Butte
About 7 (air) miles west of Oroville. About 500 yards south of Richvale East Road, about 100 yards north of Badger Creek Road, west side of Highway 99.
34
Comment
HSC23407
Dodecatheon clevelandii subsp. patulum
Willis Ball
1970-2-24
70
Butte
N edge of Bidwell Golf Course
107
Comment
CHSC114964
Dodecatheon hendersonii
Lowell Ahart
2015-3-14
19947
Butte
On the south side of the poor old dirt road, Beatson Hollow, about 3/5 of a mile northwest of Cherokee Road, about 7 miles (air) north of Oroville.
309
Comment
UC775198
Dopatrium junceum
Robert Hart
Jul 1945
Butte
near Biggs
Comment
CHSC52008
Downingia bella
John P. McKeon
1980-4-22
10
Butte
Ca. 20 m s of jct of Hwy 99 and Cana Hwy, 15 m w of Hwy 99, 19 km nw of Chico.
70
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
SBBG29765
Downingia bicornuta
A. A. Heller
1927-5-3
14363
Butte
9 mi N of Chico
Comment
CHSC116693
Downingia bicornuta var. bicornuta
Lowell Ahart
2016-5-17
20842
Butte
Middle of a large vernal pool, about 1/2 dmile east of La Porte Road, about 1/2 mile east of La Porte Road, about 2 1/2 miles (air) east of Honcut.
47
Comment
CHSC117343
Downingia bicornuta var. bicornuta
B. Castro; Sabrina Bell
2007-7-24
2046
Butte
Sacramento Valley. Off E edge of Thermalito Afterbay, ca 1.36 air mi E of Hwy 99 and 1 mi S of Highway 162E. Just S of the Afterbay perimeter road, at NE corner of low pond (impoundmant) with willows.
43
Comment
CHSC2102
Dracunculus vulgaris
M. Anthony
1954-5-14
Butte
Campus near Chico Creek.
Comment
SFV11589
Draperia systyla
M. L. Vincent
1968-6-10
838
Butte
Sierra Nevada 1.2 miles south from Cresta Power House sign, North Fork Feather River.
460
Comment
CHSC51867
Drosera rotundifolia
L. P. Janeway
1987-6-27
2364
Butte
Large mdw on E slope of Bald Mtn along the Concow ... Field redacted by CHSC, contact the data manager for more information
1706
Comment
RSA0011687
Drosera rotundifolia
H. F. Copeland
1931-8-8
1421
Butte
Jonesville.
Comment
UC392207
Drymocallis hansenii
E. B. Copeland
1929-7-25
Butte
Jonesville
1550
Comment
CAS-BOT-BC157791
Drymocallis lactea var. lactea
A. A. Heller
1915-6-27
12049
Butte
Jonesville in the Sierra Nevada
1676
Comment
CHSC12109
Dryopteris arguta
J. M. Pitts
1972-4-16
133
Butte
Locally abundant 100 yards se of Humbug Rd. 7.9 mi ne past Honeyrun Bridge.
426
Comment
UC123311
Dryopteris arguta
Mrs. R. M. Austin
May 1883
79
Butte
Big Chico
Comment
CHSC115419
Duchesnea indica
Kate Ronan
2013-5-9
Butte
City of Chico, Bidwell Mansion State Park. Found in cultivated lawn area behind Bidwell Mansion on Sol-Wil-Le-No Ave.
60
Comment
CHSC113163
Dysphania botrys
Lowell Ahart
2013-11-13
19232
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
CHSC116127
Dysphania botrys
Lowell Ahart
2015-11-7
20617
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
CHSC34191
Echinochloa colona
L. Ahart
1981-9-19
3178
Butte
Along edge of road just a few ft north of the Arch Rock Tunnel, on Hwy 70, ca. 10 mi s of Storrie.
550
Comment
CHSC110353
Echinochloa crus-galli
B. Castro
2006-8-10
1595
Butte
Sacramento Valley. Ca 2.5 mi W of hwy 99 and 1.2 mi SE of Richvale, and ca 0.5 mi E of the Midway. Near jcn of Cherokee Canal, Southern Pacific RR and the Biggs Extension canal, along edge of dirt road which crosses Cherokee Canal just N of the Biggs canal.
102
Comment
CHSC110387
Echinochloa crus-galli
Lowell Ahart
2012-9-28
18463
Butte
On the north side of Big Chico Creek, about 150 yards east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
64
Comment
CHSC27245
Echinochloa crus-galli
P. Moyer
1972-6-5
216
Butte
CSUC Campus. E of L.S. Bridge, s bank of Chico Ck.
Comment
SEINET9611362
Echinochloa crus-galli
N. E. Brown
1896-10-2
Butte
near Oroville
53
Comment
SEINET4568109
Echinochloa crus-galli var. zelayensis
P. Kennedy
1920-7-13
3094
Butte
Chico
Comment
CAS-BOT-BC208564
Echinochloa oryzicola
Lowell Ahart
1984-9-17
4792 b
Butte
Peter Ahart Ranch, about 2 1/4 miles north and 1/4 mile east of Honcut, about 12 miles south of Oroville.
50
Comment
CDA2001
Echinochloa oryzoides
E. Dean, J. M. DiTomaso, Evelyn Healy
2001-8-2
853
Butte
Biggs UC Field Station: north of town of Biggs, W of jct of Hwys 99 and 162. North side of Hamilton Road, ca. 1/8 miles 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.
Comment
CAS-BOT-BC445585
Echinodorus berteroi
Lowell Ahart
1981-7-26
3014
Butte
1/2 mi. south of Gray Lodge Waterfowl Management Headquarters, southwest of Gridley.
35
Comment
JEPS119523
Eclipta prostrata
Lowell Ahart
2011-10-29
17718
Butte
On the south side of Biggs Princeton Road, about 500 yards west of Riceton Highway, about 1 miles northwest of Biggs.
Comment
CHSC115323
Elatine
Lowell Ahart
2015-4-24
20072
Butte
On the west side of the dirt road, about 300 yards northeast of Parking Lot 10, about 2 miles east of Pennington Road, Gray Lodge Wildlife Area, about 3 1/2 miles (air) southwest of Gridley.
22
Comment
CHSC116008
Elatine ambigua
Lowell Ahart
2015-10-1
20534
Butte
Hamilton road, about 1/4 miles east of Riceton Highway. Rice field on the north side of Hamilton road, about 1/4 miles (air) north of Biggs.
30
Comment
CHSC82222
Elatine ambigua
Lowell Ahart
2002-4-15
9496
Butte
On the bottom and sides of ponds and ditches, east of Parking Lot 10, Gray Lodge State Wildlife Management Area, about 4 miles (air) southwest of Gridley.
22
Comment
CHSC31664
Eleocharis bella
L. Ahart
1980-9-8
2594
Butte
Bottom of a small wash in one of the pasture fields, ca. 1.5 mi n and 1.5 mi e of Honcut. Peter Ahart Ranch, Honcut.
50
Comment
JEPS98431
Eleocharis bella
Lowell Ahart
2000-6-4
8444
Butte
about 3 1/2 mi (air) SW of Forbestown (small meadow S of intersection of Black Bart Road and Forbestown Road)
731
Comment
CHSC78183
Eleocharis bolanderi
Lowell Ahart
2000-5-30
8410
Butte
Near seeps, about 1/4 mile northeast of Kunkle Reservoir, east of the Pentz Magalia Road, about 2 miles south of Paradise.
548
Comment
CHSC28555
Eleocharis engelmannii
M. S. Taylor
1978-7-21
1842
Butte
Ca. 20 ft e of the Midway, ca. 7 mi s of Durham, in rice field.
30
Comment
CAS-BOT-BC112785
Eleocharis macrostachya
John Thomas Howell
1959-9-20
34660
Butte
Lower foothills, eastern outskirts of Oroville.
60
Comment
CAS-BOT-BC112793
Eleocharis macrostachya
E. B. Copeland
1931-7-15
613
Butte
In and beside the Lili Pond, a permanent pool, warm in summer. Jonesville.
1750
Comment
CHSC68428
Eleocharis macrostachya
L. P. Janeway; C. A. Janeway
1986-8-31
1812
Butte
Border along Philbrook Reservoir at PG and E Picnic Area on northeast side of lake.
1691
Comment
CHSC78289
Eleocharis macrostachya
Lowell Ahart
2000-6-17
8481
Butte
In seeps, about 1/4 mile northeast of Kunkle Reservoir, east of Pentz Magalia Road, about 2 miles south of Paradise.
548
Comment
SEINET10466798
Eleocharis macrostachya
Mary Susan Taylor
1978-9-8
Taylor 1878
Butte
Along flood control slough, ca. 4 mi N of Chico, along Hwy 99.
61
Comment
CHSC94833
Eleocharis obtusa
Lowell Ahart
2006-10-8
13436
Butte
Near a large gravel bar, east side of the North Fork of the Feather River, just east of where the river flows into a pool, on the west side of Highway 70, about 1/2 mile north of the Cresta Power House.
609
Comment
SEINET11749733
Eleocharis ovata
Unknown
1983-1
4027
Butte
Peter Ahart Ranch, 2.5 mi NE of Honcut
50
Comment
SEINET10466896
Eleocharis palustris
Mary Susan Taylor
1982-4-28
Taylor 4368
Butte
T17N R1E sw/se sec 11. Pennington quad. Graylodge Wildlife Refuge, near parking lot 1, ca. 1/2 mi ne of HQ, ca. 12 mi sw of Gridley. 65 ft.
20
Comment
CHSC76304
Eleocharis parishii
Lowell Ahart
1999-9-21
8277
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
SEINET13711167
Eleocharis parishii
Lowell William Ahart, Lowell William Ahart
2000-1
8409
Butte
2 Mi. S of Paradise (T22N, R4E, sec 31, NE 1/4) 1800 Ft.
549
Comment
RSA500437
Eleocharis quadrangulata
Vernon H. Oswald
1989-6-29
3836
Butte
Vandergrift Lake located on the W side of Cana Pine Creek Road just S of the Tehama Co. line.
55
Comment
JEPS98724
Eleocharis quinqueflora
Lowell Ahart
2000-6-27
8530
Butte
Seeps, on the north side of Bean Creek Road, about 1/4 mile southeast of Little Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville.
1066
Comment
RSA692209
Eleocharis quinqueflora
L. Ahart
2003-5-28
10231
Butte
About 100 ft W of Hendricks ditch, about 1 3/4 miles NW of the iron gate and fence, NW of Cherokee Road, North Table Mt., about 7 miles (air) N of Oroville
272
Comment
HSC97772
Eleocharis quinqueflora
L. Ahart
2000-5-28
8408
Butte
N margin of large wash 200 yds. E of road crossing, Peter Ahart Ranch, 1.5 mi. N and 1.25 mi. E of Honcut, 12 mi. SE of Oroville
37
Comment
SEINET7587005
Eleocharis quinqueflora
Lowell Ahart
2000-7-5
8553
Butte
West of the cow chute and the large parking area on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
404
Comment
SEINET13711105
Eleocharis radicans
Lowell William Ahart, Lowell William Ahart
2000-1
8698
Butte
N of Large Pong on E Side of Sacramento River, NW of Parrott Landing, 12 Air Mi. SW Chico
Comment
CHSC44441
Elodea canadensis
Lowell Ahart
1988-5-30
6020
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
UCR143543
Elymus glaucus
H. F. Copeland
1930-7-21
1341
Butte
Jonesville
1524
Comment
JEPS115913
Elymus glaucus subsp. glaucus
Lowell Ahart
2009-11-19
16547
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
CHSC38858
Elymus multisetus
Vernon Oswald
1983-5-25
555
Butte
Upper Bidwell Park, Chico, beside Upper Park Rd. near Parking Area R (2.3 mi e of the power lines).
231
Comment
SD34470
Elymus multisetus
A. A. Beetle
1941-6-27
2740
Butte
20 miles northeast of Chico
Comment
UCD62455
Elymus multisetus
A. A. Beetle
1941-6-27
2740
Butte
20 miles northeast of Chico.
Comment
CHSC3342
Ephedra distachya
Robert L. Smith
1966-3-1
21
Butte
U. S. Plant Introduction Station 5 miles S. E. of Chico.
Comment
SEINET12192477
Epilobium adenocaulon
E. L. Rilla
1976-1
29
Butte
0.5 mi S of Gridley Road on Pennington Road in Gray Lodge Waterfowl Management area
21
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
UCD105279
Epilobium brachycarpum
L. Ahart
1982-9-13
3818
Butte
Pinkard Creek, ca. 1/8 mile N of Lost Creek Reservoir Dam, ca. 2.2 miles NW of Strawberry Valley.
1100
Comment
UCD105944
Epilobium campestre
M. S. Taylor
1980-7-6
3054
Butte
Ca. 1 mile E of Meridian Road, ca. 1.25 miles NE of its junction with Highway 99, ca. 8 miles N of Chico.
67
Comment
CHSC113487
Epilobium ciliatum subsp. glandulosum
Lowell Ahart
2014-7-13
19653
Butte
East part of a large wet meadow (some bog), about 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
OBI5728
Epilobium ciliatum subsp. glandulosum
H. F. Copeland
1935-7-28
s.n.
Butte
Jonesville
1500
Comment
CHSC46144
Epilobium cleistogamum
Lowell Ahart
1978-5-15
1728
Butte
On the bottom of a vernal pool, in a pasture field, Peter Ahart Ranch, about 2 1/4 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
39
Comment
CHSC23767
Epilobium densiflorum
M. S. Taylor
1975-6-25
800
Butte
Along trail, ca. 100 yds w of Mud Creek, ca. 1 mi n of Richardson Springs Hotel, ca. 6 mi ne of Chico.
121
Comment
CHSC30900
Epilobium densiflorum
M. S. Taylor
1980-8-30
3320
Butte
Along vernal creek bed, between Box Hall Flat and Potter Ravine, ca. 2.5 mi e of Oregon City, ca. 5.5 mi n of Oroville.
365
Comment
CHSC84031
Epilobium densiflorum
Lowell Ahart
2003-6-18
10288
Butte
On the west side of North Honcut Creek, about 2 1/2 miles north and 2 2/3 miles east of Honcut, about 12 miles southeast of Oroville.
60
Comment
UC204400
Epilobium densiflorum
A. A. Heller
1914-8-20
11691
Butte
along creek about 5 mi s Pentz; Dry Creek
Comment
CHSC46573
Epilobium glaberrimum subsp. glaberrimum
Vernon Oswald
1983-7-19
873
Butte
Doon Campground, ca. 1 mi e of Lovelock on the Skyway n-e of Paradise. Along the railroad.
822
Comment
CHSC46579
Epilobium hornemannii subsp. hornemannii
V . Oswald; L. Ahart
1989-7-21
3877
Butte
Southwest branch of upper Butte Creek, ca. 0.7 mi (air) se of Summit Lake, ca. 4.5 mi (air) se of Jonesville. On the edge of the creek.
1828
Comment
CHSC12170
Epilobium minutum
Lowell Ahart
1973-5-6
Butte
Near Challenge.
762
Comment
CHSC38572
Epilobium minutum
Vernon Oswald
1983-5-14
484
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1800 ft w of the turn-around at the end of the jeep trail.
402
Comment
CHSC95134
Epilobium pygmaeum
Lowell Ahart
2006-11-12
13543
Butte
Unfarmed rice field, Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
30
Comment
CDA38100
Epilobium pygmaeum
T. C. Fuller
1959-7-6
s.n.
Butte
East of Highway 99E, 4.5 miles south of Oroville.
0
Comment
CAS-BOT-BC57995
Equisetum arvense
E. B. Copeland
1930-6-28
402
Butte
Jonesville.
457
Comment
CAS-BOT-BC57257
Equisetum laevigatum
Lowell Ahart
1983-4-22
3937
Butte
Peter Ahart Ranch, banks of North Honcut Creek, about 1 1/4 miles north and 3 miles east of Honcut
50
Comment
CHSC11939
Equisetum laevigatum
E. B. Copeland
1930-6-24
403
Butte
Jonesville.
1500
Comment
JEPS115033
Eragrostis hypnoides
Lowell Ahart
2007-10-31
14522
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
RSA0106524
Eragrostis hypnoides
Lowell Ahart
2014-9-23
19876
Butte
On the northeast part of Horseshoe Lake, about 100 yards northeast of the Rod and Gun Club, Upper Bidwell Park, about one mile east of Chico.
89
Comment
CAS-BOT-BC284084
Eragrostis pectinacea var. pectinacea
Lowell Ahart
1979-9-8
s.n.
Butte
About 1/2 mile west of Oroville Dam
200
Comment
CDA31778
Eragrostis pectinacea var. pectinacea
L. Ahart
2004-9-14
11402
Butte
On the east side of Palermo Honcut Highway, about 20 feet south of Palermo Road, east part of Palermo.
Comment
CHSC34134
Eragrostis pectinacea var. pectinacea
L. Ahart
1981-9-19
3188
Butte
On edges of pond ca. 100 m n of Cresta Powerhouse, a little e of Feather River, along Hwy 70, ca. 12 mi s of Storrie.
550
Comment
JEPS113699
Eragrostis pectinacea var. pectinacea
Lowell Ahart
2007-6-12
14083
Butte
E side of Rockefeller Road, at the intersecton of Bald Rock Road and Rockefeller Road, about 13 mi (air) NE of Oroville
1011
Comment
JEPS76253
Eragrostis pectinacea var. pectinacea
W. L. Jepson
1939-8-17
19465
Butte
Feather River bottom near Oroville; Feather River bottom
45
Comment
CHSC101491
Eremogone cliftonii
Samantha Mackey Hillaire
2008-5-22
1252
Butte
Pulga Road (County Road 76555F/County Road 302) north of Mayaro, approx 1.2 mile N of intersection with County Road 665553 and Forest Service Road 23N32Y. Mapped in several other places along road cut.
731
Comment
JEPS108546
Eremogone cliftonii
L. P. Janeway
1994-6-20
4669
Butte
Northern High Sierra Nevada. Along Concow Road 3.6 mi north of Rag Dump; between Granite Ridge and Granite Spring
1371
Comment
CAS-BOT-BC174185
Eremogone congesta var. congesta
Vernon Oswald; Lowell Ahart
1987-7-1
3054
Butte
Scotts John Rd. 1.3 mi n of the road connecting Humboldt and Humbug Rds, ca. 2.5 mi ene of Jonesville. On the w side of Scotts John Creek
1828
Comment
CDA43083
Erigeron canadensis
L. P. Janeway
2011-10-2
10782
Butte
Sacramento Valley.; South end of Chico; along west side of Hwy 99 0.6 km south of Skyway/East Park Ave and 0.3 km south of Comanche Creek.
Comment
CHSC37074
Erigeron canadensis
L. Ahart
1982-10-6
3848
Butte
North Honcut Creek, Peter Ahart Ranch, ca. 3 mi ne of Honcut.
50
Comment
CHSC78992
Erigeron canadensis
Lowell Ahart
2000-11-4
8716
Butte
Just north of Rich Gulch Road, about 1 mile north of the West Branch Bridge across Lake Oroville, about 5 miles (air) southeast of Paradise.
335
Comment
CHSC38343
Erigeron divergens
Vernon Oswald
1982-5-3
Butte
Bidwell Park, Chico. Just below the north rim ca. 800 ft w of the power lines.
207
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
SEINET10839186
Erigeron inornatus var. viscidulus
Lowell Ahart, Peter Ahart
1983-7-24
Ahart 4206
Butte
T20N R7E ne sec 32. At the Forbestown Reservoir, ca. 5 mi ne of Forbestown. Yellow Pine Forest; 450 m.
450
Comment
RSA774145
Erigeron lassenianus
L. Ahart
2010-9-21
17227
Butte
South side of a poor dirt road, about 1 air mile NE of Jones Meadow, about 2.5 air miles SE of Philbrook Reservoir
1900
Comment
CAS-BOT-BC295468
Erigeron lassenianus var. lassenianus
V. Oswald; L. Ahart
1988-7-26
3617
Butte
Snow Mt. region located ca. 6 air mi se of Jonesville
1996
Comment
CHSC39558
Erigeron petrophilus var. sierrensis
Lowell Ahart
1983-7-24
4206
Butte
At the Forbestown Res., about 5 miles north-east of Forbestown.
450
Comment
CHSC22767
Eriobotrya japonica
R. A. Schlising
1973-12-3
3119
Butte
On California State University campus, just west of Holt Hall.
Comment
HSC97192
Eriochloa acuminata var. acuminata
L. Ahart
2004-8-30
11397
Butte
South side of O'Brien Rd., about 1 1/2 miles (air) southeast of Gridley.
28
Comment
JEPS128619
Eriochloa contracta
Lowell Ahart
2017-8-1
21654
Butte
Park west of railroad, northeast of the intersection of Virginia Street and Sycamore Street, in Gridley.
Comment
CAS-BOT-BC216052
Eriodictyon californicum
John Thomas Howell
1955-6-14
30457
Butte
Magalia
731
Comment
CHSC81523
Eriodictyon californicum
Petra M. Lee
2000-5-6
Butte
Forest Ranch. 3/4 mile down Crown Point Rd off Highway 32.
609
Comment
UCR190686
Eriodictyon californicum
Ken Osborne
2007-5-13
s.n.
Butte
Sierra Nevada Foothills, along Ponderosa Way at Mud Creek, c. 1.5 mi. SE of Cohasset
701
Comment
CAS-BOT-BC259402
Eriogonum luteolum
John Thomas Howell
1967-6-22
42618
Butte
Magalia
701
Comment
UCD100301
Eriogonum luteolum
L. E. Hazeltine
1916-7-1
s.n.
Butte
Chico.
Comment
CDA13260
Eriogonum luteolum var. luteolum
G. F. Hrusa, T. D. Wilfred
1996-7-8
13104
Butte
Sierra Nevada; Corner of Skyway Rd. and Rd. to Paradise Lake, at N boundary of Magalia.
Comment
UC912846
Eriogonum luteolum var. luteolum
A. A. Heller
1916-9-5
12646
Butte
hills 8 mi n Oroville
Comment
SEINET10479531
Eriogonum nudum var. oblongifolium
Mary Susan Taylor
1975-9-19
Taylor 916
Butte
Ca. 0.5 mi N of Magalia, ca. 50 ft E of Skyway; serpentine area surrounded by Yellow Pine Forest.
610
Comment
UC1032186
Eriogonum nudum var. pubiflorum
P. L. Johannsen
1936-7-17
935
Butte
2 1/2 mi sse Butte Mdws.; Lassen National Forest, Paynes Creek Quadrangle
Comment
CHSC46651
Eriogonum roseum
Lowell Ahart
1989-7-4
6366
Butte
On and around graves in the Cemetary, about 1/2 mile south of Oregon Gulch Road, about 1 mile west of Rocky Point, about 10 miles east and 3 miles north of Oroville.
335
Comment
UC1594624
Eriogonum roseum
Lowell Ahart
1992-9-20
2923
Butte
about 1/8 mi w Enterprise Boat Launch Ramp (below the high water line of Lake Oroville, about 3/4 mi sw of Rocky Point); Lake Oroville
243
Comment
CAS-BOT-BC268615
Eriogonum spergulinum var. reddingianum
E. B. Copeland
1931-7-11
s.n.
Butte
Jonesville. Ridge between Jones and North Willow Creeks
1700
Comment
CAS-BOT-BC267909
Eriogonum umbellatum
V. Oswald; L. Ahart
1988-7-29
3645
Butte
Ca. 5 mi. (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn.
2103
Comment
CHSC34044
Eriogonum umbellatum var. ahartii
L. Ahart
1981-7-7
2929
Butte
Along the edge of the dirt rd ca. 1/2 mi w of the Forbestown Reservoir, ne of Forbestown.
750
Comment
CHSC41365
Eriogonum umbellatum var. ahartii
R. A. Schlising
1981-6-22
4105
Butte
E part of county NE of village of Feather Falls at Lumpkin Ridge.
1280
Comment
SEINET3860080
Eriogonum umbellatum var. ahartii
James L. Reveal
1975-8-24
3977
Butte
Along California Hwy 70 in Feather River Canyon at the turnoff to Pulga.; 0
Comment
SEINET10479571
Eriogonum umbellatum var. polyanthum
Lowell Ahart
1985-8-15
Ahart 5164
Butte
In an area where serpentine is covered with shallow red rocky soil, 50 yards south of the road to the Forbestown, Res., about 2 1/2 miles north-east of Forbestown.
Comment
CAS-BOT-BC262342
Eriogonum vimineum
John Thomas Howell
1955-6-15
30511
Butte
West Branch of North Fork of Feather River
182
Comment
UCD101524
Eriogonum vimineum
John Thomas Howell
1959-9-20
34615
Butte
along Feather River near Oroville.
45
Comment
CHSC83018
Eriogonum wrightii var. trachygonum
Lowell Ahart
2002-10-16
9981
Butte
On the north side of North Honcut Creek, Peter Ahart Ranch, about 1 1/4 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
42
Comment
SEINET10821160
Eriophyllum lanatum
Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux
1973-6-5
Conrad 7029
Butte
2.6 miles west of Paradise on Chico Road.
610
Comment
UCD80057
Eriophyllum lanatum
CNPS SN Foothill Team
2005-5-4
SNFN 0201 g
Butte
City of Chico, Upper Bidwell Park,on the west side of Big Chico Creek, on an east-facing slope. The plot location is ~1 mile from the end of Upper Park road, and about 110 m upslope of the road.
273
Comment
CAS-BOT-BC308153
Eriophyllum lanatum var. grandiflorum
A. A. Heller; H. E. Brown
1902-5-7
5483
Butte
Berry Canyon near Clear Creek
Comment
CAS-BOT-BC308160
Eriophyllum lanatum var. grandiflorum
John Thomas Howell
1955-6-14
30465
Butte
Magalia, Sierra Nevada
731
Comment
CHSC33152
Eriophyllum lanatum var. grandiflorum
L. E. Delight
1973-5-1
26
Butte
Ca. 300 yds e from Centennial Ave, ca. 1 mi e of intersection of Centennial Ave and Manzanita Ave, Chico.
91
Comment
UC175162
Eriophyllum lanatum var. grandiflorum
A. A. Heller
1913-5-28
10763
Butte
8 mi n Oroville (ditch along Table Mountain); Table Mountain
182
Comment
SEINET10475230
Eriophyllum lanatum var. grandiflorum
Mary Susan Taylor
1981-5-21
Taylor 3776
Butte
T22N R4E nw/nw sec l and ne/ne sec 2, Pulga SW quad. S side of Concow Rd, ca. 0.5 mi S of its jct with Ponderosa Way (Rim Rd), ca. 20 air mi N of Oroville. In reddish weathered serpentine; 2800 ft.
853
Comment
CHSC108790
Erodium brachycarpum
Lowell Ahart
2012-4-9
17844
Butte
Near the high east cliff edge of Big Chico Creek, about 5 yads west of South Rim Trail, south part of Upper Bidwell Park, about 2 1/2 miles (air) northeast of Chico.
206
Comment
CHSC98941
Erodium cicutarium
Lowell Ahart
2008-5-8
14722
Butte
Below the high water line of Lake Oroville, about 50 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville.
259
Comment
SEINET8565597
Erodium cicutarium
A. R. James
1963-4-16
s.n.
Butte
Chico.
61
Comment
CHSC71180
Erodium moschatum
Lowell Ahart
1998-6-9
8002
Butte
About 5/8 mile northwest of the lone oak tree, northwest of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
396
Comment
JEPS127005
Eryngium castrense
Lowell Ahart
2016-5-24
20849
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
SEINET10939831
Eryngium vaseyi
Mary Susan Taylor
1976-3-23
Taylor 1033
Butte
Abundant in vernal pool, SW corner of junction of Broyles Road and Hwy 99, ca. 11 mi N of Chico.
61
Comment
UC600712
Erysimum capitatum
H. F. Copeland
1931-6-10
1527
Butte
woods between Willow Creek and Colby Creek; Jonesville
1524
Comment
CHSC23159
Erysimum capitatum var. capitatum
Carol C. Getzinger
1964-5-2
65
Butte
Route 32, 10.9 miles north from junction with Highway 99 in Chico.
609
Comment
CHSC42870
Erythranthe bicolor
Lowell Ahart
1987-5-11
5615
Butte
South of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown.
868
Comment
CHSC44827
Erythranthe bicolor
R. Banchero
1980-4-26
132
Butte
Along the Cohasset Hwy 4.9 mi NE of its jct with Keefer Rd, 1.3 mi SW of the town of Cohasset.
445
Comment
CHSC61502
Erythranthe breweri
Lowell Ahart
1993-6-20
6982
Butte
Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west of the Lost Creek Reservoir Dam.
1158
Comment
CHSC38699
Erythranthe floribunda
Vernon Oswald
1983-3-31
244
Butte
Upper Bidwell Park, Chico, near the diversion dam on Chico Creek (1.0 mi e of the power lines).
97
Comment
CHSC24153
Erythranthe glaucescens
B. Bunge
1976-4-20
16
Butte
Ca. 100 yd s of Skyway, ca 5 mi ese of Chico.
213
Comment
SEINET13754621
Erythranthe glaucescens
Lewis S. Rose
1967-1
67077
Butte
1 mi S of Pulga, North Fork Feather River
427
Comment
SEINET8391710
Erythranthe glaucescens
Sean Marquis
1998-4-26
3
Butte
1/4 re mile w of Richardson Springs, next to road.
183
Comment
SEINET8400618
Erythranthe glaucescens
A. A. Heller
1914-4-29
11340
Butte
low ground 12 miles north of Chico.
Comment
CHSC84222
Erythranthe guttata
Lowell Ahart
2003-7-16
10410
Butte
On the south side of North Honcut Creek, about 3/4 mile north and 2 1/4 miles east of Honcut, about 12 miles southeast of Oroville.
31
Comment
CHSC90162
Erythranthe guttata
Evelyn Jo Baker
1984-3-28
4
Butte
E side of Hwy 70, 1 mi se of intersection with Hwy 149, 6 mi nw of Oroville.
57
Comment
CHSC94605
Erythranthe guttata
Lowell Ahart
2006-9-13
13322
Butte
South edge of the North Fork of the Feather River, about 100 yards west of the Cresta Power House, north side of Highway 70, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville.
437
Comment
CHSC94687
Erythranthe guttata
Lowell Ahart
2006-9-28
13373
Butte
On the east side of the North Fork of the Feather River, on the west side of Hightway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel.
445
Comment
CAS-BOT-BC151464
Erythranthe latidens
Lowell Ahart
1986-4-19
5244
Butte
Peter Ahart Ranch, about 2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville
39
Comment
CHSC44069
Erythranthe latidens
Lowell Ahart
1986-4-19
5244
Butte
Peter Ahart Ranch, about 2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
39
Comment
SEINET8399970
Erythranthe rubella
E. B. Copeland
1930-6-28
461
Butte
Jonesville; in "Scotch John" meadows.
1700
Comment
SEINET10938447
Erythronium cliftonii
Mary Susan Taylor
1979-3-19
Taylor 1925
Butte
T23N R5E Pulga quad. In the vicinity of Pulga bridge over Feather River on Hwy 70, ca. 25 mi NE of Oroville.
488
Comment
CHSC70846
Erythronium multiscapideum
Vernon Oswald
1998-3-16
8891
Butte
North end of Upper Bidwell Park along lower Jeep Trail paralleling the east side Big Chico Creek north of the old homestead.
243
Comment
CHSC88636
Erythronium multiscapideum
Linnea Hanson
1983-4-6
192
Butte
Plumas National Forest. Gemini Mine
701
Comment
CAS-BOT-BC504539
Erythronium multiscapideum
M. S. Taylor
1981-3-18
3422
Butte
Around and w of bridge crossing West Branch of Feather River on Ponderosa Way (Jordan Hill Rd), both banks
579
Comment
POM253318
Eschscholzia caespitosa subsp. caespitosa
A. A. Heller
1938-4-23
15052
Butte
West side of the summit on the Feather River Highway near the Yankee Hill road
Comment
CAS-BOT-BC402972
Eschscholzia californica
Grace Kermode
1899-6-9
s.n.
Butte
Chico
Comment
CHSC1198
Eschscholzia californica
E. Canfield
1904-5-23
Butte
Hooker Oak Field.
76
Comment
CAS-BOT-BC312033
Eucephalus breweri
Vernon Oswald; Lowell Ahart
1987-8-5
3178
Butte
Near Humboldt Peak
2148
Comment
UCD35608
Euphorbia hooveri
Beecher Crampton
1958-8-12
5070
Butte
10 miles southeast of Chico.
Comment
CAS-BOT-BC202425
Euphorbia ocellata
A. A. Heller
1916-9-5
12645
Butte
Hills 8 miles north of Oroville
Comment
CAS-BOT-BC202427
Euphorbia ocellata
A. A. Heller
1913-9-16
11140
Butte
Hills near Big Chico Creek, east of Chico
Comment
SD60216
Euphorbia ocellata
A. A. Heller
1927-9-5
14469
Butte
at the base of hills ca. 3 miles east of Chico
Comment
CHSC5981
Euphorbia peplus
M. MacArthur
1968-6-12
145
Butte
Ca. 50 ft. NW of Biology Stockroom and 10 SW of PSA bld., Chico State College campus.
60
Comment
CHSC43189
Eurybia integrifolia
Robert Banchero
1981-8-4
642
Butte
Ca 1.7 mi N of jct of Scotts-John Rd and Jonesville Rd.
1828
Comment
JEPS95021
Eurybia radulina
Lowell Ahart
1997-9-6
7892
Butte
about 5 air mi n of Concow Reservoir (on w side of a logging road, about 1 1/2 mi n of Oakway, about 3 air mi nw of Flea mountain, about 3 air mi ne of Sawmill Peak)
762
Comment
CHSC37087
Euthamia occidentalis
L. Ahart; M. S. Taylor
1982-10-11
3860
Butte
Ca. 0.1 mi se of Graylodge HQ, Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley.
35
Comment
SEINET10506964
Festuca
Mary Susan Taylor
1978-5-6
Taylor 1585
Butte
Just N of Magalia, in large serpentine area along the Skyway.
610
Comment
CDA42885
Festuca arundinacea
L. Ahart, Susan Bazell, Josephine Guardino
2012-5-31
18117
Butte
On the north side of the paved park road (Peterson Drive) about 300 yards west of the gate, Lower Bidwell Park, Chico.
Comment
CHSC49543
Festuca arundinacea
Vernon Oswald
1988-6-2
3352
Butte
Humboldt Rd. 1.3 mi ne of Lomo. Along this section of road.
1316
Comment
CDA13296
Festuca occidentalis
G. F. Hrusa, T. D. Wilfred
1996-7-9
13144
Butte
Plumas National Forest; Occasional on dry, shaded slopes in coniferous understory above Jordan Creek S of Hwy 162 near Roger's Cow Camp. Perennial.
Comment
CHSC74162
Festuca occidentalis
B. Castro
1996-8-7
707
Butte
French Fire. Ca 2 air mi NNW of town of Brush Creek, on S-facing slope of Mosquito Ridge, on S side of USFS Rd 22N96X.
822
Comment
CHSC42918
Festuca rubra
Lowell Ahart
1987-7-8
5810
Butte
Along Walker Plains Road, about 1/8 mile north of Coyote Gap, about 5 miles east of Pulga.
1280
Comment
CHSC49549
Festuca rubra
Vernon Oswald
1988-5-17
3313
Butte
Just w of the dam of Sly Creek Reservoir. Along the edge of the road.
1097
Comment
CAS-BOT-BC77688
Ficus carica
John Thomas Howell
1959-9-20
34702
Butte
Feather River Highway 5.5 miles below West Branch bridge
Comment
CAS-BOT-BC55656
Frangula purshiana
C. R. Quick
1946-8-21
46 -128
Butte
Meadow near Pulga
Comment
CHSC86860
Frangula rubra
L. P. Janeway; John Hunt
2003-7-11
7896
Butte
Northern High Sierra Nevada. Along east side of North Fork Feather River arm of Lake Oroville; 1.1 km north-northeast of mouth of French Creek.
296
Comment
CHSC46397
Frangula rubra subsp. obtusissima
Lowell Ahart
1989-5-29
6311
Butte
On the east side of the gravel road to the Forbestown Reservoir, about 1 mile north-east of Forbestown Road, about 2 1/2 miles north-east of Forbestown.
822
Comment
CAS-BOT-BC223384
Fraxinus dipetala
Barbara T. Menzies
1978-4-17
s.n.
Butte
Nimshaw Road w. of De Sabla
Comment
CHSC109662
Fraxinus profunda
Lowell Ahart; Susan Bazell, Josephine Guardino, Wes Dempsey
2012-7-5
18273
Butte
Path in Cedar Grove, west of parking area. Lower Bidwell Park, Chico.
71
Comment
CHSC2280
Fritillaria eastwoodiae
N. Maxwell
1929-4-8
Butte
Honey Run.
243
Comment
CHSC88649
Fritillaria eastwoodiae
Linnea Hanson
1987-4-15
296
Butte
Plumas National Forest. On Woodleaf Road.
853
Comment
CHSC29995
Fritillaria micrantha
L. Ahart
1980-3-26
Butte
Ca. 1/2 mi e and 1/4 mi s of Hurleton.
600
Comment
CAS-BOT-BC124016
Fritillaria phaeanthera
Mrs. J. H. Morrison
1932-4-17
s.n.
Butte
near Durham
Comment
CAS-BOT-BC130425
Fritillaria pluriflora
A. A. Heller
1916-3-5
12278
Butte
Along the highway 10 miles north of Chico
Comment
CAS-BOT-BC130427
Fritillaria pluriflora
Frances Brown
1935-3-1
s.n.
Butte
Near Durham
Comment
CHSC86591
Galium aparine
L. P. Janeway; Barbara Castro, Eric Ryan
2003-4-19
7759
Butte
Sacramento Valley. City of Chico residential area; West 12th Street between Broadway and Oakdale.
59
Comment
UC1609061
Galium aparine
Lowell Ahart
1993-6-20
6988
Butte
about 1 air mi nw Lost Creek Reservoir Dam; Mooreville Ridge, Jackass Flat
1158
Comment
POM219311
Galium bifolium
H. F. Copeland
1931-6-10
1517
Butte
Jonesville. Gulch draining into Colby Canyon.
1524
Comment
JEPS52655
Galium bolanderi
Lauramay T. Dempster
1964-7-24
4045
Butte
roadbank 3 mi s Nimshew
487
Comment
SBBG29184
Galium bolanderi
E. B. Copeland
1930-7-25
Butte
Jonesville
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
SEINET12285551
Galium grayanum subsp. grayanum
Unknown
1959-1
5937
Butte
summit above Jonesville, ridge E of pass
2134
Comment
UC600426
Galium grayanum var. grayanum
E. B. Copeland
1931-6-19
Butte
at The Summit Jonesville
Comment
CDA6670
Galium mollugo
Sterling O. Mattoon
1962-5-2
Butte
Jesse Ranch, Nord Avenue at Bell Road, Chico.
0
Comment
CHSC93496
Galium murale
Lowell Ahart
2006-5-8
12598
Butte
Steep bank on the east side of a small stream, about 50 yards east of the fence and reservoir, about 2 1/4 miles west of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
296
Comment
RSA718331
Galium parisiense
L. Ahart
2006-6-9
12651
Butte
On the E side of Bardees Bar Road. S of the small stream. About 1/4 mile SW of the poor bridge across the North Fork of the Feather River at Bardees Bar. About 2.75 miles (air) SW of Pulga.
404
Comment
JEPS115586
Galium porrigens var. tenue
Lowell Ahart
2009-5-23
15753
Butte
Upper Bidwell Park, about 10 miles northeast of Chico, about 100 yards west of the interection of Highway 32 and Ten Mile House Road, on north side of Ten Mile House Road
461
Comment
CHSC35317
Galium sparsiflorum subsp. glabrius
M. S. Taylor
1980-5-8
2600
Butte
Ca. 3 mi N of Forest Ranch, ca. 1 mi E of Hwy 32.
853
Comment
UC1523189
Galium triflorum
M. S. Taylor and L. Ahart
1981-8-15
4194
Butte
n side of Coon Hollow Rd 1.2 mi e jct with Humbug Rd (along creek, ca 12 mi ne of Stirling City); Jonesville SW quad
1676
Comment
CHSC3588
Garrya fremontii
Susan Carrauthers
1966-3-5
29
Butte
E. of city of Chico along highway 32 toward Susanville ca. 12 mi.
Comment
UC1174974
Garrya fremontii
P. C. Everett and E. K. Balls
1959-10-20
23910
Butte
9.4 mi ne Chico (State Hwy 32, toward De Sabla)
792
Comment
UC600765
Garrya fremontii
H. F. Copeland
1930-7-26
1338
Butte
vicinity Jonesville (by Government Trail)
1676
Comment
UCD66713
Gastridium phleoides
C. G. Albertus
1933-5-29
8
Butte
1/2 mi. N. of Wick.
60
Comment
JEPS114971
Gastridium ventricosum
Lowell Ahart
2008-5-21
14780
Butte
Dry bare granite soil, below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam
246
Comment
UCD103639
Gayophytum diffusum subsp. parviflorum
Cameron Blake; Jane Turner
1962-6-18
SK and F 998
Butte
Mono Hot Springs.
1981
Comment
SEINET10939929
Gayophytum heterozygum
Mary Susan Taylor
1979-8-4
Taylor 2175
Butte
T23N R5E center of S border sec. 22/27. Ca. 1 mi N of Cresta Powerhouse on Hwy 70, ca. 30 mi N of Oroville; granitic soils.
488
Comment
POM220088B
Gayophytum racemosum
H. F. Copeland
1927-9-4
448
Butte
Jonesville.
1524
Comment
CHSC77425
Genista maderensis
Laura Bogni
1997-4-5
15
Butte
Magalia grove. West side of Coutelenc Rd.; 1 mi. due W of Sawmill Peak; 1/2 mi. SE of Magalia Reservoir.
701
Comment
CHSC108762
Genista monspessulana
L. P. Janeway
2011-5-2
10249
Butte
Sacramento Valley. South side Feather River just east of Bedrock Park, Oroville; about 10-15 m back from the edge of the water.
42
Comment
UC1128922
Genista monspessulana
C. G. Albertus
1933-6-6
15
Butte
1 mi. n.w. Nelson's Bar; Chico Quad.
Comment
JEPS119997
Geranium carolinianum
Lowell Ahart, Linnea Hanson, Kaline Le Coq, Josephine Guardino
2012-4-27
17905
Butte
Southwest of the intersection of Valllombrosa Avenue and Manzanita Avenue, Lower Bidwell Park, Chico.
Comment
CHSC113207
Geranium dissectum
Lowell Ahart
2014-4-25
19399
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
SBBG128462
Geranium dissectum
L. Ahart
2012-4-30
17926
Butte
ca. 20 yards SE of the intersection of S Rim Trail and Ten Mi House Rd, ca. 5/8 mi W of Hwy 32, ca. 9 mi NE of Chico, S part of Upper Bidwell Park
250
Comment
CHSC40922
Gilia capitata subsp. pedemontana
Ahart; Jokerst
1985-5-10
4953
Butte
10 yards north of the east branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam.
320
Comment
SEINET10496746
Gilia capitata subsp. pedemontana
Lowell Ahart
1984-6-8
Ahart 4671
Butte
At the Ponderosa Dam, ca. 2 mi NW of Forbestown; Yellow Pine Forest; 370 m.
370
Comment
RSA590189
Gilia tricolor
Michael A. Vincent, Robert M. Rhode, Jim Snowden
1996-3-29
7210
Butte
North Table Mountain, W of Cherokee Rd. N of Oroville. N side of Beatson Hollow, 1.9 miles along trail from entrance on Cherokee Rd.
Comment
CDA40020
Gilia tricolor
T. C. Fuller
1958-4-15
3807
Butte
Highway 99E, 4 miles northwest of Oroville.
0
Comment
UC880189
Gilia tricolor subsp. tricolor
A. A. Heller
1914-3-26
11228
Butte
canyon of Chico Creek
Comment
SEINET10906066
Githopsis specularioides
Lowell Ahart
1973-5-6
Ahart 213
Butte
Swedes Flat road near Bangor
457
Comment
CHSC97251
Glinus lotoides
Lowell Ahart
2007-8-19
14484
Butte
About 2 1/4 miles (air) southeast of Honcut, about 13 miles (air) southeast of Oroville.
49
Comment
JEPS120858
Glinus lotoides
Lowell Ahart
2013-6-18
18810
Butte
About 30 yards north of Lower Honcut Road, about 1.75 miles west of Honcut.
Comment
CHSC104813
Gnaphalium palustre
Lowell Ahart
2010-6-9
16772
Butte
On dry bare soil, in poor dirt road tracks, about 100 yards east of the fence, about 150 yards east of where you park, east of Cherokee Road, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
384
Comment
CHSC113305
Gnaphalium palustre
Lowell Ahart
2014-4-9
19343
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
CHSC113451
Goodyera oblongifolia
Lowell Ahart
2014-8-13
19700
Butte
East bank of a small creek, about 100 yards southeast of the Way Point, about 200 yards southeast of Memorial Spring, about a mile southwest of the intersection of Humbug Summit Road and Philbrook Road, about 2 1/2 miles (air) northwest of Philbrook Reservoir.
1561
Comment
JEPS123885
Gratiola ebracteata
Lowell Ahart
2015-5-5
20140
Butte
About 400 yards south of Larkin Road Boat Lunch Area, near the Thermalito Afterbay, about 1 miles southwest of the Oroville Airport, about 6 miles (air) southwest of Oroville
Comment
JEPS98418
Gratiola ebracteata
Lowell Ahart
2000-6-6
8450
Butte
5 mi (air) E of Oroville Dam (sides of an old gold mining pit, SE of where the dirt road crosses Oregon Gulch Creek, 1/4 mi NE of cemetery, 1 1/2 mi S of Crystal Hill)
304
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
CHSC44189
Grindelia camporum var. camporum
Vernon Oswald
1988-6-22
3511
Butte
Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek. Rice paddy in the southeast part of the ranch.
53
Comment
CHSC38356
Grindelia hirsutula var. davyi
Vernon Oswald
1983-5-25
557
Butte
Upper Bidwell Park, Chico, 400 ft n of Upper Park Rd. at Diversion Dam. On abandoned road.
134
Comment
CAS-BOT-BC282857
Hainardia cylindrica
Lowell Ahart
1974-6-3
s.n.
Butte
Peter Ahart Ranch, Honcut
45
Comment
CAS-BOT-BC302418
Hazardia whitneyi
M. S. Taylor; J. Jokerst
1979-10-13
2269
Butte
Jordan Hill Rd (Ponderosa Way on some maps) 7.5 mi n of Concow Rd, 1 mi se of Sawmill Peak, little south of turnoff to Sawmill Peak lookout
944
Comment
CHSC108794
Hedera helix
Lowell Ahart; John Dittes, Josephine Guardino
2012-4-6
17806
Butte
On the north side of Big Chico Creek, Lost Park in Bidwell Park, city of Chico.
60
Comment
JEPS105662
Hedera helix
L. P. Janeway, Gavin Blosser
2003-9-3
7972
Butte
Northern High Sierra Nevada. Along southwest edge of Ponderosa Reservoir 185 m south of Ponderosa Dam (South Fork Feather River). Around disintegrating structure
299
Comment
CAS-BOT-BC306540
Helenium bigelovii
E. B. Copeland
1930-7-11
s.n.
Butte
Jonesville
1500
Comment
CHSC66431
Helenium puberulum
Vernon H. Oswald; Lowell Ahart
1996-6-10
7737
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. On the bank of the Sacramento River at the N end of the Riparian Sanctuary.
28
Comment
SEINET10508799
Heleochloa schoenoides
Mary Susan Taylor
1978-9-8
Taylor 1882
Butte
Along flood control slough, ca. 4 mi N of Chico, along Hwy 99.
61
Comment
CDA13913
Helianthus bolanderi
G. F. Hrusa, T. D. Wilfred
1997-7-3
13984
Butte
Sierra Nevada; Above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive.
Comment
CHSC47656
Helianthus bolanderi
Lowell Ahart
1989-9-17
6387
Butte
On the west side of North Honcut Creek, about 2 1/2 miles north and 2 1/2 miles east of Honcut, about 12 miles south-east of Oroville.
60
Comment
CHSC108137
Heliotropium europaeum
Lowell Ahart
2011-10-30
17732
Butte
Garden, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
33
Comment
JEPS124123
Heliotropium europaeum
Lowell Ahart
2015-10-9
20542
Butte
About 3/4 mile northwest of the intersection of Bull Hill Road, Skyway, and Humbug Road, about 4 miles (air) north of Inskip.
Comment
CHSC97037
Hemizonella minima
B. Castro; Plumas NF/Feather River RD botanists
2005-6-6
1484
Butte
On SW end of Lumpkin Ridge, ca 6 3/4 air mi NE of town of Feather Falls and 1.3 mi E of the 'Camp 18' site on topo maps. Ca 300 ft SE of USFS Rd 22N27 (Lumpkin Rd). ca 2 mi E of its jcn with the County Rd and USFS Rd 22N94 to Fall River.
1295
Comment
CHSC26628
Hemizonia congesta subsp. luzulifolia
M. P. Hayes
1977-9-12
125
Butte
In the area of the organic garden on Butte College Campus at the corner of Clark and Pentz roads.
90
Comment
SEINET10971134
Hemizonia luzulifolia subsp. rudis
Mary Susan Taylor
1980-8-15
Taylor 3249
Butte
T20N R4E sw sec 32, Oroville quad. Ca. 0.5 mi N of Oroville, on W side of Cherokee Rd, on the SE slope of South Table Mt. With E. Pierce.
244
Comment
CHSC101325
Hesperevax acaulis var. robustior
Lowell Ahart
2009-4-22
15587
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
CHSC44868
Hesperevax acaulis var. robustior
Lowell Ahart
1979-4-17
1828
Butte
On a bank of North Honcut Creek, about 1/2 mile north of Avacado Avenue, about 3 air miles north-west of Bangor.
91
Comment
JEPS29508
Hesperevax caulescens
R. F. Hoover
1937-5-18
2229
Butte
3 mi e Richvale
Comment
CAS-BOT-BC310190
Hesperevax sparsiflora var. sparsiflora
Lowell Ahart
1979-5-8
s.n.
Butte
3 miles north-east of Honcut. Near North Honcut Creek. About 1/4 mile north of the Peter Ahart Ranch
70
Comment
SD40646
Hesperocyparis macnabiana
Carl B. Wolf, E. R. Johnson
1934-10-5
Butte
Sierra Nevada Foothills, at Magalia
700
Comment
CAS-BOT-BC175997
Hesperolinon californicum
Lowell Ahart
1977-5-11
s.n.
Butte
Peter Ahart Ranch, Honcut
50
Comment
CAS-BOT-BC176219
Hesperolinon disjunctum
Mrs. J. H. Morrison
1932-6-5
s.n.
Butte
Durham
Comment
CHSC44283
Hesperolinon micranthum
Vernon Oswald; Bruce Baldwin
1988-6-16
3387
Butte
Upper Bidwell Park, Chico, on the slope just s of the Police Pistol Range.
106
Comment
CHSC37381
Heteranthera limosa
R. A. Schlising
1980-8-3
3961
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
SEINET10460745
Heterocodon rariflorum
Mary Susan Taylor
1980-4-27
Taylor 2548
Butte
T23N R3E ne sec 27. Paradise quad. Ca. 1 mi S of Nimshew, ca. 1/4 mi E of Nimshew Rd; Yellow Pine Forest. With J.D. Jokerst.
610
Comment
SEINET10972526
Heterocodon rariflorum
Conger
CONGER 1907
Butte
BRUSH CREEK
Comment
CHSC3603
Heteromeles arbutifolia
Gerry Carrauthers
1966-2-28
23
Butte
Ca. 10 mi N.E. of Chico at end of dirt road beyond Bidwell Golf Course ca. 5 mi.
Comment
JEPS115260
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
UC114259
Heteromeles arbutifolia
Mrs. R. M. Austin
Jun 1887
Butte
Comment
CHSC41867
Heterotheca grandiflora
Lowell Ahart
1986-11-7
5422
Butte
In a prune orchard, east of the Feather River, north of the Oroville Gridley Highway, about 3 miles east of Gridley.
28
Comment
SEINET10479987
Hibiscus syriacus
Mary Susan Taylor
1975-6-30
Taylor 824
Butte
1456 Arcadian, Chico; ornamental.
61
Comment
CHSC21245
Hieracium albiflorum
M. S. Taylor
1975-9-12
905
Butte
Ca. 500 m w of Hwy 32, ca. 24 mi ne of Chico.
1097
Comment
CHSC45685
Hieracium albiflorum
Vernon Oswald
1983-7-6
812
Butte
Near Calif. Hwy. 32, 11.7 mi n-e of Forest Ranch.
1158
Comment
SEINET3449334
Hoita macrostachya
Unknown
2003-7-17
10420
Butte
Forbestown, Forbestown, about 4 air miles southwest, east side of Black Bart Road, about 0.5 miles west of the intersection of Forbestown Road and Black Bart Road
710
Comment
CAS-BOT-BC280714
Holcus lanatus
Lowell Ahart
1980-7-4
2460
Butte
Along Forbestown Road
750
Comment
CAS-BOT-BC149861
Holodiscus discolor
Lowell Ahart
1985-6-16
5044
Butte
About 1/4 mile south-west of the Forbestown Res., about 4 miles north-east of Forbestown
487
Comment
SEINET10598969
Hordeum geniculatum
Lowell Ahart
1982-4-29
Ahart 3397
Butte
On dry soil in low area grassy field near dirt rd, ca. 3/4 mi w of check-in station, Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley. Very common.
35
Comment
UCD85770
Hordeum marinum subsp. gussoneanum
L. Ahart
1982-4-29
3397
Butte
Graylodge Wildlife Refuge. Ca. 3/4 miles W of check-in station. Ca. 12 miles SW of Gridley.
35
Comment
CAS-BOT-BC284886
Hordeum murinum subsp. leporinum
Lowell Ahart
1977-6-2
1509
Butte
Peter Ahart Ranch, Honcut
50
Comment
CHSC99016
Hordeum murinum subsp. leporinum
Lowell Ahart
2008-5-21
14781
Butte
Dry bare granite soil, below the high water line of Lake Oroville, on the north side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam.
246
Comment
JEPS116046
Hordeum murinum subsp. leporinum
Lowell Ahart
2009-4-17
15562
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
RSA4664
Horkelia tridentata
E. B. Copeland
1929-7-23
370
Butte
Jonesville.
1550
Comment
CHSC43125
Horkelia tridentata subsp. flavescens
L. P. Janeway
1987-6-5
2141
Butte
Near confluence of Ram and French Creeks.
609
Comment
UC203610
Horkelia tridentata subsp. tridentata
A. A. Heller
1914-5-18
11413
Butte
near Forest Ranch; west slope of the Sierra
701
Comment
UC860239
Horkelia tridentata subsp. tridentata
A. A. Heller
1914-5-18
11413
Butte
near Forest Ranch; west slope of the Sierra
701
Comment
CHSC25008
Hosackia oblongifolia var. oblongifolia
E. B. Copeland
1930-7-11
420
Butte
Jonesville.
1500
Comment
CHSC52441
Hosackia oblongifolia var. oblongifolia
L. P. Janeway
1987-6-27
2359
Butte
Mdw on E slope of Bald Mtn along the Concow Rd.
1694
Comment
LA47950
Hosackia oblongifolia var. oblongifolia
E. B. Copeland;
1930-7-11
420
Butte
Jonesville
1500.0
Comment
CHSC33103
Hosackia stipularis var. ottleyi
M. S. Taylor
1981-5-15
3749
Butte
End of spur rd 22N84A, ridge sw of Stony Creek, ca. 2.5 air mi due e of Jarbo Gap on Feather River Hwy 70.
944
Comment
CHSC60979
Hosackia stipularis var. ottleyi
Lowell Ahart
1993-6-16
6966
Butte
Southwest of the intersection of Balck Bart Road and Forbestown Road, about 3 1/2 (air) miles southwest of Forbestown. Common. Yellow Pine Forest.
609
Comment
UCD119485
Hydrophyllum occidentale
A. A. Heller
1915-6-26
12030
Butte
Summit of the Sierra Nevada above Jonesville.
2133
Comment
SEINET10497072
Hydrophyllum occidentale
Mary Susan Taylor
1981-4-16
Taylor 3543
Butte
T21N R6E nw sec 18, Brush Creek quad. Galen Ridge, ca. 1 mi SE of Brush Creek. Yellow Pine Forest; 3400 ft.
1036
Comment
JEPS66842
Hypericum anagalloides
W. L. Jepson
1937-8-17
19463
Butte
Feather R. bottom near Oroville; Feather R.
45
Comment
CAS-BOT-BC410225
Hypericum concinnum
A. A. Heller
1928-5-27
I 4560
Butte
In an adandoned field near the sawmill along the Neal road at Paradise
Comment
JEPS87158
Hypericum formosum var. scouleri
Lowell Ahart
1992-8-2
6899
Butte
ca. 3 (air) mi. n.e. Concow Reservoir (Concow Meadow, bottom of Concow Creek); Concow Meadow, Concow Creek
1097
Comment
UC426919
Hypericum formosum var. scouleri
E. B. Copeland
1930-7-18
426
Butte
Jonesville
1550
Comment
CHSC31638
Hypericum perforatum
Lowell Ahart
1977-6-3
1406
Butte
Peter Ahart Ranch, Honcut. Along the banks of North Honcut Creek.
50
Comment
CHSC51265
Hypericum perforatum
Lowell Ahart
1990-10-3
6616
Butte
On the bottom of the East Fork of Canyon Creek, below the high water line of Lake Oroville, about 1/4 mile north-east of the Canyon Creek Bridge across Lake Oroville.
259
Comment
CHSC741
Hypericum perforatum
H. Reid
1949-6-1
Butte
Paradise.
548
Comment
CHSC742
Hypericum perforatum
R. Carter
1964-6-10
112
Butte
8 mi. E of Oroville at 6120 Woodleaf St. Rt. 10 yds. behind house.
121
Comment
CAS-BOT-BC401333
Hypericum scouleri
H. F. Copeland
1920-7-24
17
Butte
Bank of Colby Creek
1828
Comment
CHSC3547
Ilex opaca
Gary Dutton
1966-2-16
24
Butte
Found at CSC campus north side of Aud.
Comment
UC879867
Ipomopsis aggregata
A. A. Heller
1917-7-29
12857
Butte
summit above Jonesville
2133
Comment
CAS-BOT-BC133565
Iris hartwegii
A. A. Heller; H. E. Brown
1902-5-9
5517 a
Butte
Berry Canyon (Near Clear Creek)
Comment
UC176159
Iris hartwegii
A. A. Heller
1913-6-7
10803
Butte
near Stirling
1074
Comment
CAS-BOT-BC133512
Iris hartwegii
A. A. Heller
1939-3-23
15357
Butte
3 miles below Paradise on the Pentz road
Comment
CHSC65605
Iris hartwegii subsp. hartwegii
L. P. Janeway
1995-6-1
4768
Butte
South-trending ridgetop at the far western end of Jackson Ranck Ridge, about 0.9 mi east-northeast of the falls of Feather Falls.
1054
Comment
CHSC21276
Iris macrosiphon
M. S. Taylor
1975-4-13
379
Butte
Ca. 75 ft s of the Skyway on Neal Rd, Paradise.
609
Comment
CHSC29031
Iris macrosiphon
J. D. Jokerst
1980-3-28
526
Butte
E of the northern most portion of North Table Mt.
365
Comment
CHSC3927
Iris macrosiphon
Wayne O. Baum
1967-3-24
24
Butte
Ca. 2 mi. e. of the Skyway and Humbug Rd. intersection, on the nw. side of Humbug Rd.
91
Comment
CHSC4034
Iris macrosiphon
Sadie Gualtieri
1967-3-6
Butte
On Skyway to Paradise, 3 to 5 miles outside of Chico; open field on S. side of hiway.
Comment
CHSC52480
Iris macrosiphon
Jan M. Karaz
1979-5-13
17
Butte
1.2 mi N of Forest Ranch on hwy 32 at top of the ridge.
Comment
CHSC90017
Iris macrosiphon
Peggy Fain
1991-4-6
11
Butte
N. side Richardson Springs Road ca. 4 km. from intersection with Cohasset Highway.
152
Comment
SEINET10971618
Iris macrosiphon
Lowell Ahart
1985-3-22
Ahart 4848
Butte
About 1/2 mile north-east of the West Branch Bridge across Lake Oroville, 1/4 mile east of Highway 70, north of Oroville.
Comment
CHSC29222
Isoetes nuttallii
M. S. Taylor
1980-3-28
2404
Butte
Just e of Chico, between Humboldt Rd, and Hwy 32, ca. 1/4 mi e of Forest Ave, ca. 1 1/4 mi e of Hwy 99.
76
Comment
CHSC30306
Isoetes nuttallii
M. S. Taylor
1980-5-27
2678
Butte
Big Bald Rock, ca. 3 mi e of Lake Madrone.
996
Comment
JEPS106158
Isoetes nuttallii
Lowell Ahart
2004-4-4
10717
Butte
Bottom of a vernal pool, about 250 yards east of Wilber Road, northeast of the high hill crossed by Wilber Road, cattle pasture, about 3 miles (air) west of Thermalito
48
Comment
JEPS127195
Isoetes nuttallii
Lowell Ahart
2016-5-15
20831
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
SEINET10530333
Isoetes nuttallii
Mary Susan Taylor
1984-4-6
Taylor 5399
Butte
T22N R4E nw sec 3l. Ca. 0.5 mi N of Kunkle Reservoir, on E side of Pentz-Magalia Hwy, ca. 3 mi S of Paradise.
Comment
CHSC55623
Isolepis setacea
L. P. Janeway
1987-6-19
2252
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
CHSC20505
Juglans californica var. hindsii
M. S. Taylor
1975-5-6
559
Butte
Ca. 50 ft w of Little Cafeteria, on s side of Big Chico Creek, California State University, Chico.
Comment
CHSC3283
Juglans californica var. hindsii
M. L. Hillier
1966-4-11
Butte
Bidwell Park Nature Trail near Cedar Grove.
Comment
UCD141290
Juncus acuminatus
L. Ahart
1982-7-18
3680
Butte
North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 2.5 miles east of Honcut.
140
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
CDA34649
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 mile (air) west of Highway 32, about 10 miles northeast of Chico.
Comment
CHSC61515
Juncus bufonius var. bufonius
Lowell Ahart
1993-5-15
6939
Butte
Rice field, on the north side of Biggs Princeton Road, about 2 miles west of Biggs.
Comment
CHSC96890
Juncus bufonius var. bufonius
Lowell Ahart
2007-6-12
14082
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
CHSC96961
Juncus bufonius var. bufonius
Lowell Ahart
2007-6-12
14076
Butte
Seeps, about 40 yards north of Bean Creek Road, about 1/4 mile (air) southeast of Little Bald Rock, about 15 miles (air) northeast of Oroville.
974
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
CHSC66169
Juncus bufonius var. congestus
Vernon H. Oswald; Lowell Ahart
1996-5-27
7658
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River .
32
Comment
JEPS94875
Juncus bufonius var. congestus
Lowell Ahart
1998-5-2
7957
Butte
about 5 air mi sw of Gridley (n side of Evans Reimer Road, about 1/4 mi e of Pennington Road); Evans Reimer Road
21
Comment Read comments 1
UC1609050
Juncus bufonius var. occidentalis
Lowell Ahart
1993-8-29
7119
Butte
about 6 1/2 mi ne of Stirling City (about 2 1/2 mi ne of Bald Mountain)
1584
Comment
JEPS103414
Juncus capitatus
Lowell Ahart
2002-4-24
9535
Butte
Vernal pools and swales, in a field, on the E side of Lone Tree Road, ca 1 1/8 miles N of Cox Lane, ca 3 miles (air) SW of Palermo, ca 7 miles (air) S of Oroville.
35
Comment
SBBG119954
Juncus capitatus
L. Ahart
2004-4-4
10718
Butte
ca. 5 yards E of Wilber Rd, N of the high hill crossed by Wilber Rd, S of the wash, ca. 3 air mi W of Thermalito
48
Comment
UC1609502
Juncus covillei var. covillei
Lowell Ahart
1993-7-23
7112
Butte
ca. 6 (air) mi. n.e. Feather Falls (s. side of dirt rd., ca. 200 yds. s.w. of bridge across Fall River)
1036
Comment
CDA2695
Juncus cyperoides
L. Ahart
1981-7-24
2999
Butte
Along Black Bart Road, Forbestown.
0
Comment
JEPS114881
Juncus effusus subsp. effusus
Lowell Ahart
2008-7-23
15144
Butte
On the north side of the South Fork of the Feather River, about 10 yards west of where Sucker Creek enters the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam
258
Comment
CHSC39675
Juncus effusus subsp. pacificus
Lowell Ahart
1983-6-21
4099
Butte
Found along the edge of Bloomer Hill Road, about 3 miles north-west of the Oroville Quincy Highway, about 16 miles north-east of Oroville. Section 30.
700
Comment
CHSC96972
Juncus effusus subsp. pacificus
Lowell Ahart; Lawrence Janeway, Linnea Hanson
2007-7-10
14280
Butte
Northwest part of a large open area, about 250 yards east of Bean Creek Road, northeast of Little Bald Road, about 16 miles (air) northeast of Oroville.
1024
Comment
CDA39195
Juncus effusus var. pacificus
L. H. Heinricks
1964-6-4
s.n.
Butte
T.M. Morrill property, 405 Circle Drive, Oroville.
0
Comment
CHSC102417
Juncus exiguus
Lowell Ahart
2009-6-18
15913
Butte
On damp soil, on the west side and bottom of the steep bank, south of the fence, about 10 yards west of the dredger piles along North Honcut Creek, about 2 1/2 miles north and 2 3/4 miles east of Honcut, about 12 miles southeast of Oroville.
59
Comment
CHSC49617
Juncus leiospermus var. ahartii
Vernon Oswald
1986-4-20
1974
Butte
Peter Ahart Ranch near Honcut, in the 'home pasture.' In vernal pool.
32
Comment
CHSC93377
Juncus leiospermus var. ahartii
Lowell Ahart
2006-4-27
12539
Butte
In a vernal pool, about 40 yards northeast of the tower by the south fence, pasture fields, Peter Ahart Ranch, about 1 mile north and 1 3/4 miles east of Honcut.
50
Comment
CAS-BOT-BC110142
Juncus leiospermus var. leiospermus
Lowell Ahart
1978-5-2
s.n.
Butte
Sierra Nevada. Table Mountain, ca. 7 miles north of Oroville.
400
Comment
CHSC113236
Juncus leiospermus var. leiospermus
Lowell Ahart
2014-4-20
19390
Butte
About one mile northwest of the parking area on the west side of Cherokee Road, about 7 miles (air) north of Oroville.
366
Comment
JEPS119681
Juncus leiospermus var. leiospermus
Lowell Ahart
2012-5-4
17984
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
CHSC49620
Juncus nevadensis
Vernon Oswald
1983-6-22
737
Butte
Soda Springs Campground near Hwy 32, ca. 4 mi nne of Lomo. Beside Chico Creek.
1112
Comment
CHSC11959
Juncus orthophyllus
E. B. Copeland
1929-7-16
347
Butte
Jonesville. In marsh.
1550
Comment
CHSC43792
Juncus orthophyllus
Vernon Oswald; Lowell Ahart
1987-7-1
3086
Butte
Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. Along the streamlet draining the small lake northward into Butte Creek.
1935
Comment
CHSC28660
Juncus parryi
J. D. Jokerst
1979-7-21
301
Butte
Summit and sides of Humboldt Peak.
2133
Comment
CHSC28618
Juncus patens
M. S. Taylor
1979-10-12
2243
Butte
Big Chico Creek, at end of Upper Bidwell Park, ca. 10 mi ne of Chico.
243
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
CHSC47577
Juncus uncialis
Lowell Ahart
1983-4-10
3931
Butte
On the sides of small vernal pools, near the steel power line, about 1/2 mile northeast of Highway 99 and Pentz Road.
60
Comment
JEPS113761
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
UC1134266
Juniperus californica
J. E. Sowder
1933-7-7
109
Butte
Camel Mound Chico Quad., Camel Mound
609
Comment
CHSC29800
Keckiella breviflora var. glabrisepala
M. S. Taylor; J. Jokerst
1980-6-14
2883
Butte
On w side of Oroville-Quincy Hwy ca. 1 mi (2 mi by car) n of Bidwell Bar Bridge over the south fork of Feather River, ca. 7 mi s of Lake Madrone.
457
Comment
CHSC38693
Keckiella corymbosa
Vernon Oswald
1983-7-22
896
Butte
Upper Bidwell Park, Chico, at the retaining wall at the e end of Centennial Ave.
85
Comment
POM161683
Kelloggia galioides
E. B. Copeland
1929-7-16
s.n.
Butte
Jonesville.
1550
Comment
HSC100767
Kickxia elatine
Lowell Ahart
2007-10-31
14519
Butte
7 (air) mi. NE of Oroville, ~1 mi. S of Hwy. 162 (Oroville Quincy Rd.), W of official parking area, strand of Lake Oroville, Foreman Creek Area.
225
Comment
SEINET10782598
Kickxia elatine
Lowell Ahart
1990-6-16
Ahart 6513
Butte
Near the Forbestown Generator, on the south-east side of the Forbestown Reservoir. T20N R7E NW/S33.
488
Comment
CHSC31959
Koeleria phleoides
J. D. Jokerst
1979-5-2
1216
Butte
Top of North Table Mt., ca. 200 meters S of Cherokee Rd.
396
Comment
UC480953
Kumlienia hystricula
Mrs. R. M. Austin
1890-4
226
Butte
Little Chico Canyon
Comment
CAS-BOT-BC340329
Kyhosia bolanderi
E. B. Copeland
1930-8-4
s.n.
Butte
Jonesville
1500
Comment
CHSC92058
Kyllinga brevifolia
Lowell Ahart
2005-8-14
12332
Butte
Edge of ponds, Oroville Wildlife Area, about 1/2 mile west of Pacific Heights Road, about 3 1/2 miles (air) northwest of Palermo.
28
Comment
CDA30230
Lactuca saligna
L. Ahart
2009-8-3
16254
Butte
On the east side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
Comment
CDA38797
Lactuca saligna
L. Ahart
2012-10-28
18518
Butte
About 30 yards east of the restrooms and the bridge, west part of Cedar Grove, Lower Bidwell Park, Chico.
Comment
CAS-BOT-BC340531
Lactuca serriola
Lowell Ahart
1982-9-12
3800
Butte
On the banks of North Honcut Creek, Peter Ahart Ranch, about 1 1/4 miles north and 3 miles east of Honcut
50
Comment
RSA71070
Lagophylla glandulosa
L. S. Rose
1951-6-26
51017
Butte
Feather River Canyon, NE of Oroville
183
Comment
JEPS115271
Lagophylla ramosissima
Lowell Ahart
2009-6-30
15964
Butte
South of a small drainage, along Guardian Rock Trail, about 5/8 mile (air) southwest of the intersection of Ten Mile House Road and Highway 32, Upper Bidwell Park, about 10 miles northeast of Chico
386
Comment
CHSC3624
Lamium amplexicaule
John Francis
1966-2-27
29
Butte
Field at intersection of Citrus and Legion, Chico.
Comment
UCD125078
Lamium amplexicaule
K. Esau; M. Phillips
1929-4-13
1922
Butte
Chico.
Comment
CHSC45315
Landoltia punctata
Lowell Ahart
1988-10-16
6187
Butte
Dredge pond located ca. 300 ft ne of intersection of Pacific Heights Rd. and Hwy 70, ca. 1 mi s of Oroville.
45
Comment
CHSC10647
Lasthenia fremontii
Lowell Ahart
1970-5-12
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC33352
Lasthenia fremontii
R. M. Winchell
1980-4-23
4
Butte
N of Chico. Between Singer Creek and Cana-Pina Road.
Comment
CHSC90996
Lasthenia fremontii
Lowell Ahart
2005-5-11
11806
Butte
Margins of a small vernal pool, south of a small stream, open pasture field, about 1 mile 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.
280
Comment
UC1562501
Lasthenia fremontii
Barbara Ertter with Lowell Ahart
1986-4-13
5894
Butte
ca. 2 airmiles nne Honcut (between Oroville and Marysville); Peter Ahart Ranch
30
Comment
POM30704
Lasthenia fremontii
C. C. Bruce
1897-04
2071
Butte
Oroville road.
Comment
SEINET11806703
Lasthenia fremontii
D. B. Carlson
1980-1
20
Butte
ca 19 km NW of Chico, between Singer Creek & Cana-Pine Creek Rd
60
Comment
UCR227351
Lasthenia platycarpha
Ayzik Solomeshch
2003-4-9
s.n.
Butte
Wurlitzer Reserve, about 10 mi. north from Chico on Hwy 99, west side of the road
Comment
CHSC93071
Lathyrus brownii
L. P. Janeway; B. Castro
1994-4-21
4643
Butte
Northern High Sierra Nevada. Western end of Watson Ridge about 2.0 mi east-northeast of Bald Rock Dome.
1079
Comment
CHSC76940
Lathyrus jepsonii var. californicus
Margie Collins
1894-5-1
Butte
Chico Creek.
Comment
CHSC29795
Lathyrus latifolius
M. S. Taylor; J. D. Jokerst
1980-6-14
2881
Butte
On w side of Oroville-Quincy Hwy ca. 1 mi (2 mi by car) n of Bidwell Bar Bridge over the south fork Feather River, ca. 7 mi s of Lake Madrone.
457
Comment
JEPS119626
Lathyrus latifolius
Lowell Ahart
2012-6-14
18196
Butte
Annie's Glen, Lower Bidwell Park, Chico.
Comment
CHSC48507
Lathyrus nevadensis var. nevadensis
Vernon Oswald
1985-4-29
1731
Butte
Bald Rock Rd. 0.3 mi ne of the trailhead to Big Bald Rock.
975
Comment
CAS-BOT-BC213284
Lathyrus sulphureus
Lowell Ahart
1983-7-20
4227
Butte
About 0.25 mile west of Milsap Bar, about 25 miles northeast of Oroville
500
Comment
CDA13276
Lathyrus sulphureus
G. F. Hrusa, T. D. Wilfred
1996-7-9
13124
Butte
Plumas National Forest; Summit of N ridge above Jordan Creek. Nr. Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp.
Comment
CHSC42560
Lathyrus sulphureus
Lowell Ahart
1987-5-11
5621
Butte
South of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown.
868
Comment
CHSC10618
Layia fremontii
Lowell Ahart
1970-4-20
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC56755
Layia fremontii
J. D. Jokerst
1980-3-26
Butte
East side of Chico; 100 m northeast of the junction of Bruce Road and Skyway.
Comment
RSA682150
Layia fremontii
R. R. Halse
2002-3-27
6151
Butte
At the junction of State Highway 99 and Hamilton Nord Cana Highway. ca. 8 miles NW of Chico.
40
Comment
CAS-BOT-BC321757
Layia fremontii
N. Wynne; M. Peckham; J. Bamesberger
1914-3-28
54
Butte
Table Mountain, Cherokkee Rd., approx. 2 miles E of Hwy 70.
Comment
SEINET11805150
Layia fremontii
Unknown
1978-1
20
Butte
0.5 mi ESE of East Ave, ca 1700 ft NW of Big Chico Creek, ca 1800 ft N of Hooker Oak, Chico
85
Comment
UC2044596
Layia platyglossa
George K. Helmkamp with E. A. Helmkamp
2012-2-9
18547
Butte
Sacramento Valley W of Oroville & N of Gridley, west side of CA-99, 0.1 mile south of its junction with CA-162/Biggs-Willows Rd. (Biggs 7.5' Q.)
Comment
CAS-BOT-BC274350
Leersia oryzoides
Willis Wheeler
1943-10-3
s.n.
Butte
Chico Foreign Plant Introduction Garden
Comment
CHSC66460
Leersia oryzoides
Vernon H. Oswald; Lowell Ahart
1996-6-10
7760
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Near the center of the W side of Tract 7.1, Sanctuary 1.
33
Comment
CDA39175
Lemna minuta
L. Ahart
2006-5-26
12639
Butte
On the south side of Sheldon Avenue at the intersection with Larkin Road, about one mile south of Gridley Road, about 2 miles (air) southeast of Gridley.
Comment
CHSC107892
Leontodon saxatilis subsp. longirostris
L. P. Janeway
2011-6-29
10410
Butte
Northern High Sierra Nevada. Along Encino Grande (Ponderosa Way) 1.0 road km west of the top of Bloomer Hill; 0.7 air km west-northwest of the top of Bloomer Hill.
820
Comment
CHSC116724
Leontodon saxatilis subsp. longirostris
Lowell Ahart
2016-5-24
20855
Butte
West side of large drainage, 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
CHSC74364
Leontodon saxatilis subsp. longirostris
B. Castro
1998-6-13
790 C
Butte
Ca 5.5 air mi SE of Town of Paradise, in bottom of unnamed canyon just S of Neal Road, ca 80 ft N of creek channel, directly under transmission lines.
85
Comment
SEINET516280
Lepechinia calycina
Vernon H. Oswald
1998-6-24
9237
Butte
W side of Hwy. 32 at Crown Pt. Rd. between Chico and Forest Ranch.
573
Comment
UCLA64433
Lepechinia calycina
A. A. Heller
1915-5-28
11906
Butte
Near the upper limit of the digger pine in the Sierra foothills.
Comment
SEINET10448476
Lepidium dictyotum
Mary Susan Taylor
1982-4-28
Taylor 4351
Butte
T17N R1E se/s sec 13. Pennington quad. Graylodge Waterfowl Refuge, n side of Rutherford Rd, 1/8 mi w of Pennington Rd, ca. 12 mi sw of Gridley. 70 ft.
21
Comment
NY76545
Lepidium latifolium
L. Ahart
1981-9-10
3143
Butte
Near entrance to Gray Lodge Waterfowl Management Headquarters, west of Pennington Road, ca 1 mile southwest of Gridley, Valley Grassland
35
Comment
JEPS115292
Lepidium nitidum var. nitidum
Lowell Ahart, John Dittes
2009-3-20
15506
Butte
Open area west of the Guardian Rock Trail, about 175 yards southwest of the Ten Mile House Road Trail, about 300 yards west of Highway 32, west of the intersection of Highway 32 and Ten Mile House Road, Upper Bidwell Park, about 10 miles northeast of Chic
407
Comment
CHSC33170
Lepidium strictum
R. E. Preston
1981-5-3
64
Butte
At curbside, in front of St. John the Baptist Church, Chestnut St. between 4th and 5th Sts., Chico.
Comment
CHSC78225
Leptochloa fusca subsp. fascicularis
Lowell Ahart
2000-5-18
8372
Butte
On the bottom of the Clay Pit, about 1/8 mile west of the Oroville Airport and Larkin Road, about 4 1/2 miles (air) southwest of Oroville.
36
Comment
CHSC45450
Leptosiphon acicularis
Lowell Ahart
1979-4-22
1834
Butte
Pasture fields, Peter Ahart Ranch, about 1 1/2 miles north and 2 1/4 miles east of Honcut, about 12 miles south of Oroville.
45
Comment Read comments Jul 19 2018
CHSC23461
Leptosiphon bicolor
J. R. Lee
1974-4-20
2
Butte
Found on hill 400 yards sw of Covered Bridge. 7.2 mi from the Chico city limits on Honey Run Road.
137
Comment
CHSC31826
Leptosiphon bicolor
L. Ahart
1974-4-11
367
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC42551
Leptosiphon bolanderi
Lowell Ahart
1987-5-11
5613
Butte
South of the Forbestown Ditch, about 2 1/2 miles north-east of Forestown.
868
Comment
CHSC1285
Leptosiphon filipes
J. Gulick
1929-4-18
Butte
Rifle Range, near Chico Creek.
76
Comment
CHSC97318
Leptosiphon filipes
L. P. Janeway
2007-7-2
9079
Butte
Northern High Sierra Nevada. Plumas National Forest; along the road to Cascade 1.0 road km north-northwest of its crossing of Fall River; 0.4 air km east of the confluence of Dark Canyon at Fall River. Along edges of road and soft decomposed granite at base of road cut bank.
1052
Comment
CHSC11953
Leptosiphon harknessii
E. B. Copeland
1931-7-1
681
Butte
Jonesville. Flats along Butte Creek.
1500
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
CHSC23685
Lessingia nana
K. Stern
1969-1-1
Butte
Growing in Upper Bidwell Park, Chico.
Comment
CHSC31611
Lessingia nana
L. Ahart
1975-7-19
895
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC69448
Lessingia nemaclada
Lowell Ahart
1997-9-6
7887
Butte
Near the McNab Cypress grove, near the steel tower power line, along the sides of a logging road, about 1/4 mile west of Rim Road, about 2 miles (air) northeast of Concow Reservoir.
731
Comment
CAS-BOT-BC341797
Lessingia nemaclada
A. A. Heller
1923-10-21
13832
Butte
At Paradise
Comment
SEINET11793728
Lessingia nemaclada
Unknown
1975-1
978
Butte
along edge of Ponderosa Way, about 2 air mi SW of Feather Falls, about 2 mi S of Lumpkin Rd
396
Comment
CAS-BOT-BC342058
Lessingia virgata
A. A. Heller
1914-9-4
11762
Butte
Hills 8 miles north of Oroville
Comment
UCD159567
Leucanthemum maximum
D. S. Park
2011-6-27
304
Butte
East shore of Thermalito Afterbay. Growing on roadsides. Disturbed.
1999
Comment
POM132236
Leucothoe davisiae
Kate Conger
1907-1
s.n.
Butte
Brush Creek.
Comment
CHSC106062
Ligustrum obtusifolium
Lowell Ahart; Susan Mason, Josephine Guardino
2010-8-6
17045
Butte
Near the north edge of Big Chico Creek, south of Picnic Area 40, Lower Bidwell Park, Chico.
70
Comment
CHSC106598
Ligustrum sinense
L. P. Janeway; B. Castro
2010-6-4
9993
Butte
Sacramento Valley. Lower Bidwell Park, Chico; south side of Big Chico Creek, between South Park Drive and Centennial Ave.
75
Comment
CAS-BOT-BC509329
Lilium kelleyanum
E. B. Copeland
1930-7-18
614
Butte
Jonesville
1500
Comment
CHSC50980
Lilium pardalinum subsp. pardalinum
Pauleen Broyles
1987-7-19
1083
Butte
Ca 2.6 km e. of the crossing of Coon Hollow Road at Coon Hollow Creek (W. Branch Feather R.).
Comment
CHSC88867
Limnanthes alba subsp. alba
Christine Hantelman
2000-5-3
87
Butte
In drainage cut on north side Wookey Road, 0.5 mi east of Meridian.
1920
Comment Read comments Apr 7 2008
HSC97149
Limnanthes alba subsp. alba
T. W. Henrich
2004-4-12
Butte
'Meghdadi Property' in SE Chico, ca. 0.5 km N of Doe Mill Rd., ca. 0.5 km E of S end of Potter Rd., and 0.25 km W of old stone fence.
Comment
JEPS103417
Limnanthes alba subsp. alba
Lowell Ahart
2002-4-24
9528
Butte
Vernal pools and swales, in a field, on the E side of Lone Tree Road, ca 1 1/8 miles N of Cox Lane, ca 3 miles (air) SW of Palermo, ca 7 miles (air) S of Oroville.
35
Comment
CHSC83986
Limnanthes alba subsp. versicolor
Lowell Ahart
2003-4-15
10097
Butte
Slopes of Beatson Hollow, southwest of drainage entering Beatson Hollow, about 1 1/4 miles northwest of the iron gate and fence, northwest of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
284
Comment
HSC32395
Limnanthes douglasii
R. A. Vanbianchi
1974-4-20
242
Butte
Table Mtn.
305
Comment
SEINET12183092
Limnanthes douglasii
G. C. Halcomb
1978-1
3
Butte
ca 1 mi E of Chico at intersection of Bruce Rd. and Skyway Rd. 100 yds WNW of Bruce Rd
70
Comment
SEINET6670434
Limnanthes douglasii
Vernal Pool team 2001
2001-4-10
32
Butte
One mi. east of Rock River Mine and parking area, off Cherokee Rd., North Table Mountain, Oroville site
Comment
UCD22634
Limnanthes douglasii
Joseph Laferriere
1982-4-18
22
Butte
Table Mountain, streambank 1/2 mile east of road, 5 miles north of Oroville.
384
Comment
CHSC54166
Limnanthes douglasii subsp. douglasii
Lowell Ahart
1991-5-2
6648
Butte
Peter Ahart Ranch, about 2 1/4 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC28973
Limnanthes floccosa subsp. californica
Don Kroessing
1979-4-15
1
Butte
In vernal pool in pasture on N side of Humboldt Rd, 0.2 mi E of its intersection with El Monte Ave, E of town of Chico.
76
Comment
CHSC67553
Limnanthes floccosa subsp. californica
James D. Jokerst
1991-4-18
3239 A
Butte
Doe Mill population E of Butte Creek Diversion Channel, S of Doe Mill Rd. In a vernal pool.
80
Comment
UCR247449
Limnophila X ludoviciana
Cass
2012-10-31
s.n.
Butte
Nelson, Aguas Frias Road and Nelson Road
31
Comment
CAS-BOT-BC246141
Limosella aquatica
Lowell Ahart
1982-5-1
3400
Butte
Rice field, Peter Ahart Ranch, about 2 1/2 miles north and 1/10 mile east of Honcut
50
Comment
SEINET10496787
Linanthus bicolor
Mary Susan Taylor
1980-3-28
Taylor 2402
Butte
T22N R2E north center border sec 30. Vernal pool area in Valley Grassland, just E of Chico, between Humboldt Rd, cand Hwy 32, ca. 1/4 mi E of Forest Ave., ca. 1.5 mi E of Hwy 99; area soon to be developed. With J.D. Jokerst.
76
Comment
CHSC2480
Linanthus dichotomus
W. Fitzwater
1958-4-19
Butte
Humboldt Rd., Chico area. On top of ridge.
457
Comment
CHSC4190
Linanthus dichotomus
Kathy Sommarstrom
1967-4-15
26
Butte
Foothills. Found 400 yds west of covered bridge, 40 yds south of creek.
76
Comment
CDA20241
Lindernia dubia
G. D. Barbe
1984-8-25
4189
Butte
Sacramento Valley; Biggs Rice Experiment Station, N of Biggs.
0
Comment
CHSC41226
Linum bienne
J. D. Jokerst
1984-5-24
2029
Butte
Cherokee area near Campbell Flat, east of Table Mt.
Comment
SD2733
Linum lewisii
E. B. Copeland
1929-7-17
Butte
Above Jonesville
2000
Comment
CHSC51023
Lipocarpha
Lowell Ahart
1990-7-15
6566
Butte
Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville.
243
Comment
CHSC45133
Lipocarpha aristulata
Vernon Oswald
1987-9-7
3231
Butte
Feenstra's Riverview Orchard located at the w end of Cana Hwy between the s half of Cana Lake (on Dicus Slough) and the Sacramento River.
45
Comment
CHSC75979
Lipocarpha aristulata
Lowell Ahart; Vernon H. Oswald
1999-8-13
8146
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
CHSC31671
Lipocarpha micrantha
L. Ahart
1973-8-13
271
Butte
In North Honcut Creek. Peter Ahart Ranch, Honcut.
45
Comment
RSA0106687
Lipocarpha micrantha
Lowell Ahart
2013-11-13
19239
Butte
Below 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
SACT002882
Lithocarpus densiflorus
Herbert Copeland
1937-7-30
Butte
In the foothills of Butte County.
Comment
SEINET12028399
Lithocarpus densiflorus
M. Hayes, Warner
1977-1
67
Butte
along Hwy-32 above Forest Ranch,exactly 21.4mi from Hwy-99 overpass in Chico
701
Comment
RSA268942
Lithocarpus densiflorus var. densiflorus
J. R. Reeder, Charlotte G. Reeder
1972-6-6
5656
Butte
Ca. 4 miles N of Forest Ranch.
1067
Comment
SEINET12219412
Lithophragma affine
Unknown
4
s.n.
Butte
no further locality
Comment
CHSC32134
Lithophragma bolanderi
L. Ahart
1974-4-11
390
Butte
Peter Ahart Ranch.
45
Comment
JEPS5851
Lithophragma heterophyllum
Robert Kehlor
1951-4-14
32
Butte
6 1/4 mi e Oroville (J. M. Kehlor ranch); e of Oroville
Comment
CHSC87426
Lithophragma parviflorum var. parviflorum
R. D. Fischer
2004-3-20
116
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Along Guardian Trail, south of Pine Trail. UTM: 10609476E 4405711N.
384
Comment
CHSC96243
Lithophragma parviflorum var. parviflorum
R. Fischer
2006-4-21
986
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east -side addition along Hwy. 32. Plants growing on a grassy hillside east of Big Chico Creek at the bottom of 10 Mile House Road, ca. 250 ft. s of gated park property line.
228
Comment
CAS-BOT-BC123106
Lithophragma trifoliatum
C. C. (Mrs.) Bruce
1897-4-1
1844
Butte
Foothills near Chico
Comment
CAS-BOT-BC342104
Logfia arizonica
Lowell Ahart
1978-5-15
s.n.
Butte
Peter Ahart Ranch, Honcut
50
Comment
CAS-BOT-BC342142
Logfia filaginoides
A. A. Heller
1914-6-2
11148
Butte
8 miles north of Oroville
Comment
CHSC38349
Logfia filaginoides
Vernon Oswald
1983-4-18
336
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1.2 mi e of the power lines. Base of ridge along rim of a volcanic cap.
353
Comment
CHSC26785
Logfia gallica
M. S. Taylor
1978-5-6
1591
Butte
On e side of Williams Rd, ca. 1/4 mi n of Pentz Rd, ca. 15 mi s of Chico.
30
Comment
CAS-BOT-BC342380
Logfia gallica
Lowell Ahart
1988-5-12
5998
Butte
About 1/2 mile north-east of the Honcut Cemetery, Joie Osgood Ranch, about 3 1/2 miles east and 1 1/2 miles north of Honcut
60
Comment
SEINET10591974
Lolium perenne
Lowell Ahart
1988-9-4
Ahart 6175
Butte
On dry disturbed soil, along the N side of a branch of Last Chance Creek, E of the dirt road, about 1 mile W and little N of Bald Mountain.
1006
Comment
CAS-BOT-BC271210
Lolium temulentum
John Thomas Howell
1963-6-2
39383
Butte
Along highway near Pulga, Sierra Nevada
Comment
CHSC39511
Lolium temulentum
Lowell Ahart
1983-6-21
4068
Butte
Along the edge of Bloomer Hill Road, about 1/2 mile west of the Oroville Quincy Highway, about 15 miles north-east of Oroville.
400
Comment
CHSC49556
Lolium temulentum var. leptochaeton
Vernon Oswald
1984-6-3
1253
Butte
Sacramento River, ca. 0.5 mi downstream from the mouth of Stony Creek. On a sandbar on the edge of the river.
39
Comment
CHSC104828
Lomatium dissectum var. multifidum
Lowell Ahart
2010-5-7
16632
Butte
On the south side of Guardian Trail, about 1/4 mile west of Highway 32, Upper Bidwell Park, about 4 3/4 miles (air) east of Chico.
301
Comment
CHSC31865
Lomatium utriculatum
L. Ahart
1977-4-16
1307
Butte
Along sides of North Honcut Creek; Peter Ahart Ranch, Honcut.
50
Comment
CHSC8587
Lomatium utriculatum
G. Smalley
1968-3-17
Butte
Collected on south side of block faulted Chico Monocline, ca. 1 mile east of Bidwell Park golf club.
106
Comment
CHSC94926
Lomatium utriculatum
K. Lang; Classmates
2005-3-1
Butte
Table Mountain.
Comment
JEPS48084
Lomatium utriculatum
P. C. Hutchison with J. K. Wright and R. Bacigalupi
1963-6-1
2692
Butte
at w. side Pulga Bridge (N. Fork Feather R.); , Pulga Bridge
Comment
CHSC109121
Lonicera hispidula
Lowell Ahart
2012-2-22
17739
Butte
On the high east bank of Big Chico Creek, about 100 yards south of the trail crossing the creek, about 100 yards west of Ten Mile House Road, about 3/4 mile west of Highway 32, about 9 miles (air) northeast of Chico.
189
Comment
CHSC48017
Lonicera hispidula
Vernon Oswald; M. S. Taylor
1985-5-30
1790
Butte
Four Trees Rd. 0.5 mi E of Hwy 70.
536
Comment
SEINET8056664
Lonicera hispidula
M. J. Williams
1984-5-25
84- 34 -1
Butte
Feather River Canyon, Hwy 70, 1.5 mile W of Poe Power Dam.
457
Comment
CHSC197
Lonicera interrupta
R. M. Staley
1952-7-3
Butte
Butte Creek
Comment
CHSC2406
Lonicera interrupta
R. Carter
1964-5-27
105
Butte
8 mi. E of Oroville, 200 yds. up Wakefield Dr. off Feathervale on N side of road.
121
Comment
CHSC99544
Lonicera interrupta
L. P. Janeway
2008-5-15
9409
Butte
Cascade Range Foothills. Near the ridge top, about 25 m northwest of Hwy 32 about 4.2 air km south-southwest of Forest Ranch.
570
Comment
JEPS115565
Lonicera interrupta
Lowell Ahart
2009-5-23
15756
Butte
Upper Bidwell Park, about 10 miles northeast of Chico, about 1/4 mile west of the interection of Highway 32 and Ten Mile House Road, on west side of Ten Mile House Road, north of Guardians Trail
381
Comment
JEPS115657
Lonicera interrupta
Lowell Ahart
2009-5-30
15807 -A
Butte
North of a small drainage, on the east side of Guardians Trail, about 50 yards northeast 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
CDA13829
Lotus corniculatus
G. F. Hrusa, T. D. Wilfred
1996-9-5
13557
Butte
Butte Basin; Bank of Butte Creek immed. below Western Canal District Dam.
Comment
POM27895
Lotus humistratus
C. C. Bruce
1897-05
2037
Butte
[No location data on label]
Comment
SFV11544
Lotus humistratus
M. L. Vincent
1960-4-15
s. n.
Butte
Near Feather River Bridge, below Paradise.
Comment
CDA31940
Lotus micranthus
L. Ahart
2008-5-12
14733
Butte
Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards east of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam.
Comment
UC80909
Lotus micranthus
R. M. Austin
May 1896
702
Butte
Little Chico Creek
Comment
SEINET10871197
Lotus purshianus
Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux
1973-6-5
Conrad 7022
Butte
2.6 mi w of paradise on chico road.
610
Comment
JEPS115264
Lotus purshianus var. purshianus
Lowell Ahart, John Dittes, Josephine Guardino
2008-11-8
15439
Butte
On the bottom of Lindo Channel, about 100 yards west of the diversion structure, north of Hooker Oak, Upper Bidwell Park, Chico
68
Comment
SEINET10874146
Lotus strigosus
Lowell Ahart
1983-5-28
Ahart 4021
Butte
Along trail to Feather Falls, ca. 5 mi n of the town of Feather Falls. Yellow Pine Forest; 600 m.
600
Comment
RSA406345
Lotus wrangelianus
M. M. Boney
1897-1
1724
Butte
Butte
Comment
CHSC112875
Ludwigia decurrens
Evan Padgett
2014-8-20
Butte
Sacramento Valley. Agricultural fields between Richvale and Highway 162, east of Midway, next to rice fields.
26
Comment
RSA0118783
Ludwigia decurrens
Evan Padgett
2014-9-12
s.n.
Butte
Sacramento Valley. Agricultural fields between Richvale and Highway 162, east of Midway, next to rice fields.
26
Comment
CHSC51007
Ludwigia palustris
Lowell Ahart
1990-7-15
6565
Butte
Along a small stream, below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/4 mile north-west of the Enterprise Bridge across Lake Oroville.
243
Comment
CHSC96912
Ludwigia palustris
Lowell Ahart
2006-7-27
14391
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
SEINET5766216
Lupinus
A. A. Heller
1915-1
11866
Butte
2 mi E of Durham
Comment
NY16038
Lupinus
A. A. Heller
1914-2-2
11166
Butte
Cañon [o]f Big Chico creek 6 miles east of Chico
Comment
SEINET10544020
Lupinus albicaulis subsp. shastensis
Mary Susan Taylor
1981-5-5
Taylor 3609
Butte
T20n,r63,sec.2 sw 1/4. Forbestown quad. W side of spur road, ca 1.5 air mile nw Of its junction with bryant ravine road (21n35y), ca 1 air mile n of feather Falls community. Assoc.; Galium bolanderi, rubus glaucifolius
792
Comment
CHSC42531
Lupinus albicaulis var. albicaulis
Lowell Ahart
1987-5-22
5681
Butte
Along the dirt road, near a small bog or meadow, about 1/8 mile north-east of Camp 18, about 6 1/2 miles north-east of Feather Falls.
1219
Comment
CHSC901
Lupinus albifrons
R. Carter
1964-3-23
64
Butte
5 mi. E of Chico Rd. on Cherokee Rd. on rocky bank on E side of road.
60
Comment
CHSC90507
Lupinus bicolor
Cathy Young
1988-4-20
5
Butte
In Chico, ca. 120 yds w of Highway 99 on s bank of Lindo Channel.
60
Comment
RSA0072104
Lupinus bicolor
Daisie Huang
2006-4-15
06041566
Butte
Upper Bidwell Park, Horseshow Lake.
114
Comment
UCD107195
Lupinus bicolor
A. A. Heller
1914-3-26
11227
Butte
Canon hf Big Chico creek 6 miles east of Chico.
Comment
RSA325881
Lupinus bicolor subsp. tridentatus
L. Ahart
1983-6-26
4123
Butte
Along Ponderosa Way (Big Ridge Rd), ca. 2 mi. se of the jct with Oroville-Quincy Hwy, ca. 15 mi. ne of Oroville.
500
Comment
CHSC35320
Lupinus bicolor var. pipersmithii
M. S. Taylor; K. Tharp
1982-4-8
4291
Butte
Along both sides of Oroville Dam Blvd, ca. 1.5 mi s of Oroville Dam Visitors Center, Oroville.
243
Comment
CHSC38505
Lupinus bicolor var. tridentatus
Vernon Oswald
1983-3-6
120
Butte
Upper Bidwell Park, Chico, at Devil's Kitchen (2.1 mi e of the power lines). Growing along the edge of Upper Park Rd.
219
Comment
SEINET10485384
Lupinus formosus var. robustus
A. Arthur Heller
1940-4-28
Heller 15561
Butte
Along the roadside between the radio station and hooker oak, E of Chico.
Comment
CHSC87796
Lupinus latifolius var. columbianus
Paul Maslin
2004-4-6
12
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). UTM: 10611499E 4411082N.
548
Comment
CDA27451
Lupinus latifolius var. columbianus
T. C. Fuller
1962-7-12
9173
Butte
2 miles east of Butte Meadows.
0
Comment
CHSC108711
Lupinus microcarpus var. microcarpus
B. Castro; L. Janeway
2009-5-5
1782
Butte
Sacramento Valley. Ca 4.8 air mi NW of Oroville, on N side of Cottonwood Rd, 2.7 mi E of Hwy 99 and 0.3 mi E of main entrance to PG and E substation.
49
Comment
UCD108989
Lupinus nanus
A. A. Heller
1913-3-9
10685
Butte
hills two miles north of Oroville.
91
Comment
SEINET10484054
Lupinus nanus subsp. nanus
Mary Susan Taylor
1981-4-14
Taylor 3528
Butte
Valley Grassland, NW corner of the jct of Wheelock Rd and Hwy 70, ca. 5 mi N of Oroville.
137
Comment
CHSC103685
Lupinus pachylobus
Lowell Ahart
2010-4-30
16593
Butte
Below rim and above cliffs, north side of disk golf area, on a ridge about 250 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
360
Comment
CHSC38512
Lupinus pachylobus
Vernon Oswald
1983-3-13
166
Butte
Upper Bidwell Park, Chico, ca. 100 ft s of Upper Park Rd. and 800 ft e of Parking Area N at Salmon Hole.
176
Comment
JEPS87401
Lupinus pachylobus
Vernon H. Oswald and Lowell Ahart
1993-3-24
5243
Butte
e side Dry Creek Canyon (n of the historical site of Pentz, on the e side of a secondary drainage entering Dry Creek 2 mi n Pentz Rd. Area burned during previous summer); e side of Dry Creek Canyon n of historical site of Pentz
262
Comment
CHSC30694
Lupinus stiversii
M. S. Taylor
1980-5-27
2670
Butte
On Big Bald Rock, granitic dome, ca. 3 mi e of Lake Madrone.
997
Comment
CHSC34234
Lupinus stiversii
M. S. Taylor
1981-5-6
3627 A
Butte
N side of Ponderosa Way, 0.2 mi n of small bridge over Sucker Creek, ca. 3 air mile of Enterprise Bridge, ca. 4 air mi sw of Feather Falls.
335
Comment
SEINET10452664
Lupinus stiversii
Mary Susan Taylor
1980-5-27
Taylor 2670
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
SFV11553
Lupinus succulentus
M. L. Vincent
1964-4-9
546
Butte
Sierra Nevada Humbug Road. 1 mile west of covered bridge.
Comment
CAS-BOT-BC329275
Lupinus vallicola
Lowell Ahart
1980-5-25
2347
Butte
Sierra Nevada. Along Ponderosa Way.
500
Comment
POM276281
Lupinus vallicola subsp. apricus
Lyman D. Benson
1935-3-27
6363
Butte
5 miles NW of Oroville, Sierra Nevada Mt Range, Sacramento river watershed.
152
Comment
CAS-BOT-BC436564
Luzula cascadensis
H. F. Copeland
1920-8-29
145
Butte
Jonesville meadow
1219
Comment
UCD111665
Luzula comosa
Christopher Mallek
2008-1
HW2- 19
Butte
Magalia.
756
Comment
CAS-BOT-BC436646
Luzula comosa var. laxa
H. F. Copeland
1920-7-11
71
Butte
Scotch John Meadows
1828
Comment
JEPS115962
Luzula macrantha
Lowell Ahart
2009-4-26
15621
Butte
On the south side of a small open meadow, about 150 yards southwest of Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico
286
Comment
CHSC109786
Lycopus americanus
Lowell Ahart
2012-10-20
18511
Butte
South of Table 34, west of Cedar Grove, Lower Bidwell Park, Chico.
68
Comment
SEINET10498039
Lycopus americanus
Lowell Ahart
1984-8-19
Ahart 4783
Butte
West of Pacific Heights Road, about 5 miles south-west of Oroville.
Comment
JEPS117541
Lythrum hyssopifolia
Lowell Ahart
2010-6-9
16780
Butte
On the east side of vernal pool full of dodder, about 30 yards south of the poor dirt road, about 60 yards west of the fence, about 1/4 mile east of Cherokee Road, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville
392
Comment
CHSC66163
Lythrum tribracteatum
Vernon H. Oswald; Lowell Ahart
1996-5-27
7654
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River.
33
Comment
UC1609281
Lythrum tribracteatum
Lowell Ahart
1993-6-13
6958
Butte
about 2 1/4 mi n and 1/4 mi e of Honcut (about 12 mi s of Oroville, Peter Ahart Ranch); Peter Ahart Ranch
33
Comment
CAS-BOT-BC342707
Madia elegans
A. A. Heller; H. E. Brown
1902-5-10
5518
Butte
Berry Canyon (Near Clear Creek)
Comment
CAS-BOT-BC342717
Madia elegans
Lewis S. Rose
1945-5-12
45020
Butte
Richardson Springs
304
Comment
SFV4040
Madia elegans subsp. densifolia
M. L. Vincent
1962-9-13
287
Butte
3 miles west of Centerville on Humbug Road.
140
Comment
CAS-BOT-BC344323
Madia exigua
John Thomas Howell
1967-6-22
42613
Butte
Magalia
701
Comment
CHSC46955
Madia exigua
Lowell Ahart
1984-6-8
4666
Butte
At the base of a cutbank, west of the little building at the south side of the Ponderosa Dam, about 2 miles north-west of Forbestown.
335
Comment
SEINET10872066
Madia rammii
Lowell Ahart
1985-5-6
Ahart 4938
Butte
About 2 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
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
CHSC2306
Maianthemum racemosum
R. M. Staley
1953-7-1
Butte
Canyon Creek.
Comment
CHSC33945
Maianthemum racemosum
M. S. Taylor
1981-5-21
3783
Butte
Jct of Camp Creek and rd 23N10, ca. 4 mi n of Pulga on Hwy 70.
1005
Comment
CHSC42809
Maianthemum racemosum
L. P. Janeway
1987-7-4
2433
Butte
Along the Concow Rd towards Jones Mdw ca 1 mi from Bald Mtn.
1786
Comment
CHSC46244
Maianthemum stellatum
Pauleen Broyles
1986-7-5
991
Butte
Near Scotts John Creek, ca 2 km n of the road jct below Humboldt Peak.
1860
Comment
JEPS104135
Malva nicaeensis
Lowell Ahart
2003-5-9
10121
Butte
Along the sw corner of a prune orchard, on the n side of Evans Reimer Rd, ca 3/4 mi w of Block Rd, ca 3 mi (air) sw of Gridley.
24
Comment
CHSC46808
Malva parviflora
R. A. Schlising
1986-9-14
4504
Butte
NW part of county, W of Pine Creek Cemetery.
Comment
JEPS119994
Malva parviflora
Lowell Ahart, Linnea Hanson, Kaline Le Coq, Josephine Guardino
2012-4-27
17915
Butte
Near table 17, on the north side of Centennial Avenue, Lower Bidwell Park, Chico.
Comment
CHSC118889
Marah fabacea
Robert A. Schlising
1963-6-7
2621
Butte
Foothills; Cohasset; roadside.
Comment
CHSC3917
Marah fabacea var. agrestis
Wayne O. Baum
1967-3-13
27
Butte
Ca. 5 mi. e. of Chico on the n. side of the Skyway, along cliff bank.
304
Comment
CHSC574
Marah fabacea var. agrestis
M. Roberson
1956-4-2
Butte
SW of Paradise, along Skyway
426
Comment
CHSC65687
Marah fabacea var. agrestis
Vernon H. Oswald
1996-3-29
7278
Butte
Between ranch road and the slough on the E side of Goodman Opening at the S end of the Riparian Sanctuary. Sacramento River National Wildlife Refuge, Llano Seco Unit.
27
Comment
CHSC52225
Marrubium vulgare
L. P. Janeway
1988-5-19
2673
Butte
Along Cohasset Rd near the Anderson Mill Site; near the county line.
1133
Comment
CAS-BOT-BC67813
Marsilea vestita
Lowell Ahart
1981-8-31
3059
Butte
Sierra Nevada - Wyandotte Lake, E of Oroville
450
Comment
CHSC11367
Marsilea vestita
Lowell Ahart
1968-5-8
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC34154
Marsilea vestita
L. Ahart
1981-8-31
3059
Butte
Wyandotte Lake, ca. 8 mi e of Oroville.
450
Comment
CHSC34400
Meconella californica
R. N. Bowman
1981-5-21
2083
Butte
East-facing slope, s bank of Butte Creek, .1 km w of Covered Bridge, 10.2 km ese of Chico.
120
Comment
POM97345
Meconella californica
C. C. Bruce
1897-03
2018
Butte
Foothills near Chico
Comment
UCD106759
Medicago arabica
A. A. Heller
1915-5-2
11864
Butte
Hills 12 miles northeast of Chico near Rock creek.
Comment
CDA42859
Medicago lupulina
L. Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-1
18000
Butte
On the west side of the horse path, about 20 yards north of the paved park road, west of the old walnut orchard, south of Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico.
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
UC1609456
Medicago lupulina
Lowell Ahart
1993-11-1
7274
Butte
on s side of Butte City Hwy e Southern Pacific Railroad (w of Riceton Rd, about 3 1/4 mi nw of Biggs); Rice Experiment Station
30
Comment
JEPS103561
Melica aristata
Lowell Ahart
2002-6-21
9745
Butte
On the N side of a poor dirt road, Watson Ridge, ca 2 miles (air) NE of Bald Rock Dome, ca 5 miles (air) N of Feather Falls (the town).
1158
Comment
JEPS106263
Melica aristata
Lowell Ahart
2004-7-23
11299
Butte
On the east side of the road, north of the West Branch Campground, south of the Bridge across the West Branch of the Feather River, about 1 1/2 miles (air) west of Philbrook Reservoir Dam, about 3 3/4 miles (air) southeast of Butte Meadows
1456
Comment
CAS-BOT-BC269375
Melica californica
Lowell Ahart
1985-5-15
4974
Butte
West of Lunt Road, about 1/2 mile north of the intersection of Lunt Road and Highway 70, north of Yankee Hill
550
Comment
CHSC31704
Melica californica
L. Ahart
1978-5-16
1732
Butte
Along the edges of North Honcut Creek. Peter Ahart Ranch, Honcut.
50
Comment
CHSC96858
Melica californica
Lowell Ahart
2007-5-29
13924
Butte
About 1/8 mile south of Bald Rock Dome, on the west side of the Dome Trail, trail leads to the Middle Fork of the Feather River, about 1 1/4 miles by the trail from the trail head which is 3/10 mile east of Bean Creek Road, about 2 1/2 miles (air) northeast of Big Bald Rock, about 16 1/2 miles (air) northeast of Oroville.
598
Comment
UCD80579
Melica californica
CNPS SN Foothill Team
2005-3-30
SNFN 0028 a
Butte
CDFG North Table Mountain Wildlife Area, at the northern tip of the Y-shaped ravine that bisects the reserve.
369
Comment
CHSC65612
Melica californica var. californica
L. P. Janeway
1995-6-19
4797
Butte
About 0.5 mi east of the western end of Jackson Ranch Ridge.
1097
Comment
CHSC2164
Melica californica var. nevadensis
H. Silberman; D. Isaac
1949-5-17
Butte
S side of Big Chico Creek canyon, 7 mi. ENE Chico.
243
Comment
CHSC31939
Melica fugax
J. D. Jokerst; L. Ahart, M. S. Taylor
1980-8-2
1044
Butte
Top of Humboldt Peak, ca. 400 met NE of the summit along the edge of a hogback, northernmost portion of Butte County.
2133
Comment
CHSC94248
Melica fugax
Lowell Ahart
2006-7-16
13007
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
CHSC80644
Melilotus officinalis
Lowell Ahart
2001-6-13
8817
Butte
On the sides of the dirt road east of the large pump, on the south side of Evans-Reimer Road, about 1 miles east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) southwest of Gridley.
22
Comment
CHSC32110
Melissa officinalis
L. Ahart
1977-7-18
1479
Butte
Along edge of North Honcut Creek, 3 mi ne of Honcut.
60
Comment
SEINET10498158
Mentha arvensis
Mary Susan Taylor, Lowell Ahart
1981-8-15
Taylor 4185 A
Butte
T26N R5E ne 1/4 ne 1/4 sec. 30. Jones- ville SW quad. N end of Snag Lake (dry this year), dry clay soil, Yellow Pine Forest and Montane Meadow, E side of Humbug Rd. ca. 14 mi NE of Stirling City. 5700 ft.
1737
Comment
CHSC94612
Mentha canadensis
Lowell Ahart
2006-9-11
13285
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
CHSC32109
Mentha pulegium
L. Ahart
1969-8-12
31
Butte
Near Honcut.
45
Comment
JEPS115650
Mentha spicata var. spicata
Lowell Ahart
2009-8-13
16279
Butte
Near Big Chico Creek, about 150 yards east of the diversion structure that controls Mud Creek Diversion and Lindo Channel, Chico
68
Comment
CHSC26707
Mentzelia laevicaulis
M. P. Hayes
1977-10-23
143
Butte
In Lindo channel in large gravel about 180 m w of its intersection with Mangrove Avenue in Chico.
35
Comment
CDA40606
Mertensia ciliata var. stomatechoides
T. C. Fuller
1962-7-12
9207
Butte
0.2 mile east of Jonesville.
0
Comment
JEPS120078
Micranthes californica
Lowell Ahart
2012-3-23
17785
Butte
On the sides of the trail down to Big Chico Creek, about 70 yards west of Ten Mile House Road, about 3/4 mile west of Highway 32, about 9 miles (air) northeast of Chico.
Comment
CAS-BOT-BC429074
Micranthes odontoloma
E. B. Copeland
1931-7-20
s.n.
Butte
Vicinity of Jonesville, Lassen National Forest.
1500
Comment
CHSC25283
Micranthes oregana
M. S. Taylor
1977-7-15
1406
Butte
In ne corner of Butte Meadows, ca. 20 mi ne of Chico.
1326
Comment
SEINET10475175
Micropus californicus
Lowell Ahart, Peter Ahart
1983-6-12
Ahart 4043
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
CHSC101220
Micropus californicus var. californicus
G. F. Hrusa; R. Gross, L. Houser
2008-4-11
17094
Butte
Open, chaparral slopes with woodland on N faces immediately below Indian Valley Reservoir spillway into North Fork Cache Creek tailrace.
396
Comment
CHSC56091
Micropus californicus var. californicus
R. L. Ondricek-Fallsheer
1983-5-7
166
Butte
On rim of cliff, tip of Flatiron Ridge; ca 3 1/2 mi west-southwest of Paradise.
152
Comment
JEPS115318
Micropus californicus var. californicus
Lowell Ahart
2009-4-17
15554
Butte
On the south slope of a ridge, about 300 yards west of Highway 32, near the south boundary, Upper Bidwell Park, about 5 miles (air) northeast of Chico
351
Comment
POM33622A
Microseris
C. C. Bruce
1897-05
1993
Butte
[No locality information provided]
Comment
CAS-BOT-BC348699
Microseris acuminata
Lowell Ahart
1979-5-11
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
CAS-BOT-BC348703
Microseris acuminata
John Thomas Howell; Gordon H. True
1967-5-7
42172
Butte
Northwest outskirts of Oroville north of the Feather River
Comment
SEINET12326954
Microsteris gracilis
Unknown
1981-1
23
Butte
8 km SE of Chico and 8 km NW of Paradise
125
Comment
RSA715721
Microsteris gracilis subsp. gracilis
L. P. Janeway
2005-3-1
8337
Butte
Cascade Range Foothills. East edge of city of Chico; north side of Humboldt Rd. 1.8 km northeast of Bruce Road.
134
Comment
CHSC75973
Mimetanthe pilosa
Lowell Ahart; Vernon Oswald
1999-8-13
8133
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
RSA535780
Mimulus angustatus
David M. Thompson
1988-3-24
853
Butte
Cohasset Ridge. Griffith residence, 4.4 mi NE of Keefer Road along cohasset Hsy, then 0.4-0.6 mi s along private dirt road;
396
Comment
UCD96092
Mimulus angustatus
Dena Grossenbacher; Brian Green
2008-5-2
812
Butte
Campbell Flat, about 0.6 miles south of Humpyback and Cherokee Road junction along both sides of Cherokee Road and within 20 meters of it, North Table Mountain.
424
Comment
POM202464
Mimulus aurantiacus var. grandiflorus
L. S. Rose
1933-5-26
33186
Butte
Feather River Canyon 5 mi. e. of Oroville
152
Comment
UC1093972
Mimulus aurantiacus var. grandiflorus
Herbert L. Mason
1941-4-6
12421
Butte
2 mi n Oroville (n side of river); Feather River
Comment
UC943806
Mimulus aurantiacus var. grandiflorus
H. E. McMinn
1946-5-10
5503
Butte
ca. 9 mi e Oroville
Comment
JEPS14976
Mimulus bicolor
A. A. Heller
1914-5-17
11338
Butte
near Forest Ranch
731
Comment
UC600647
Mimulus bicolor
E. B. Copeland
1931-5-9
Butte
Jonesville
Comment
SEINET10570191
Mimulus bicolor
Mary Susan Taylor
1980-4-27
Taylor 2551
Butte
T23N R3E west center border sec 26. Paradise quad. On N side of Ponderosa Way Road, ca. 0.5 mi E of Nimshew Rd, ca. 1 mi S of Nimshew; in open vernally dry embankment. With J.D. Jokerst.
610
Comment
JEPS121944
Mimulus breweri
Lowell Ahart
2014-7-7
19599
Butte
On the south side of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
JEPS5567
Mimulus glaucescens
H. A. Dutton
1921-1
Butte
near Hooker Oak; Chico
Comment
UC726352
Mimulus glaucescens
A. A. Heller
1938-5-4
15060
Butte
near coverd bridge
Comment
SEINET10570230
Mimulus glaucescens
Mary Susan Taylor
1975-6-25
Taylor 796
Butte
Richardson Springs on Mud Creek, ca. 3 mi NE of Cohasset Hwy, ca. 6 mi N of Chico, ca. 1 mi NE of the Hotel at the Springs. With Gary Jones.
244
Comment
POM43708
Mimulus guttatus
C. C. Bruce
1897-02
2105
Butte
Little Chico.
Comment
SEINET5561543
Mimulus guttatus
H. S. Gentry, S. Koch
1962-1
19782
Butte
6 mi. NE of USDA Field Station, Chico, along road to Centerville.
Comment
SFV3394
Mimulus guttatus
M. L. Vincent
1962-4-16
197
Butte
Butte Creek Canyon. Honeyrun road, 0.5 miles west of Paradise.
Comment
POM43693
Mimulus latidens
C. C. Bruce
1897-05
2103
Butte
Near Chico.
Comment
UC660023
Mimulus layneae
Lincoln Constance
1941-5-28
2828
Butte
Magalia Sierra Nevada foothills, South Branch Feather River
487
Comment
CHSC44792
Mimulus moschatus
R. Banchero
1980-6-17
247
Butte
Ca 1.2 mi N of the jct of Coutolenc and Coutolenc-Hupp Rds, 0.7 mi S of the jct of the Skyway and Coutolenc Rds.
914
Comment
CHSC62134
Mimulus moschatus
L. P. Janeway
1993-6-23
4403
Butte
Plumas National Forest. Oroville Ranger District. Big Bar Compartment. Along Rd 23N28 0.2 mi south of crossing of Last Chance Creek.
807
Comment
POM308489
Mimulus moschatus
Henry J. Ramsey, Henry J. Ramsey
1939-10-15
3082
Butte
Feather River Hwy.
Comment
UC1586471
Mimulus nasutus
Vernon H. Oswald and Lowell Ahart
1991-7-15
4741
Butte
ca. 5.5 air mi ene Brush Creek (Milsap Bar Rd. (Forest Rd. 22N62), 6.4 mi w of Feather Falls-Little Grass Valley Rd. (Forest Rd. 22N94))
845
Comment
JEPS86934
Mimulus torreyi
David M. Thompson
1988-6-7
936
Butte
nw De Sabla (0.25 mi ne of Doe Mill Road along Garland Road)
600
Comment
CHSC208
Minuartia californica
P. Delaplane
1965-3-10
39
Butte
In back yard of 817 Rio Chico Way, Chico.
30
Comment
POM101123
Minuartia californica
C. C. Bruce
1897-06
1959
Butte
Fields near Chico.
Comment
CHSC103666
Minuartia cismontana
Lowell Ahart
2010-4-30
16602
Butte
Open are along a ridge, on both sides of a trail, west of disk golf area, on a ridge about 350 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
353
Comment
CHSC93501
Minuartia cismontana
Lowell Ahart
2006-5-8
12591
Butte
About 200 yards south of the three Gray Pines on the rim of Coal Canyon, about 1 3/4 miles northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
347
Comment
JEPS117232
Minuartia cismontana
Lowell Ahart
2010-5-16
16704
Butte
About 100 yards west of the fence, about 1/2 mile southeast of the parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville
373
Comment
CHSC48258
Moehringia macrophylla
Vernon Oswald
1984-4-9
1127
Butte
Feather Falls Trail near Frey Creek, 1.25 trail mi. from the trail head at the end of Bryant Ravine Rd.
560
Comment
JEPS98286
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
JEPS115646
Mollugo verticillata
Lowell Ahart
2009-8-13
16274
Butte
In the channel, about 100 yards east of the diversion structure that controls Mud Creek diversion and Lindo Channel, northeast of Hooker Oak, Upper Bidwell Park, Chico
68
Comment
RSA32319
Mollugo verticillata
Willis H. Wheeler
1945-10-11
s.n.
Butte
US Plant Introduction Garden. Chico.
Comment
CHSC51226
Monardella breweri subsp. lanceolata
Lowell Ahart
1980-6-19
2389
Butte
Along the edge of Swedes Flat Road, about 1/10 mile east of Rocky Honcut Creek, about 2 1/2 miles east of the Bangor Oroville Highway, north of Bangor.
304
Comment
CHSC97331
Monardella breweri subsp. lanceolata
L. P. Janeway
2007-6-26
9074
Butte
Northern High Sierra Nevada. Plumas National Forest; along Road 28 along the southern end of Swayne Hill; about 1.7 air km northeast of the confluence of French Creek at the North Fork Feather River arm of Lake Oroville.
750
Comment
UC2035806
Monardella odoratissima subsp. glauca
H. F. Copeland
1932-8-17
Butte
At The Summit Jonesville
2000
Comment
CHSC50676
Monardella sheltonii
Lowell Ahart
1990-5-28
6502
Butte
Near a deep pond, south of Palm Avenue, about 1/4 mile east of Larkin Road, about 2 1/2 miles north-east of East Gridley.
30
Comment
CAS-BOT-BC220451
Monardella sheltonii
John Thomas Howell
1976-7-14
51812
Butte
Feather River Canyon Highway just east of Jarbo Gap
640
Comment
UC83804
Montia chamissoi
Mrs. R. M. Austin
July 1896
266
Butte
Colby
Comment
CHSC50557
Montia diffusa
Vernon Oswald
1990-7-10
4361
Butte
Bryant Ravine Rd 0.25 mi north of Feather Falls Trailhead, ca. 1.5 mi (air) north-northwest of the town of Feather Falls. Scattered plants in disturbed soil along a short track leading to Bryant Ravine Creek.
749
Comment
CAS-BOT-BC444884
Montia fontana
Lowell Ahart
1979-5-12
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
CHSC42480
Montia fontana subsp. amporitana
Lowell Ahart
1987-5-12
5631
Butte
On damp bare broken black lava, in a seep, south of Lumpkin Ridge Road, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
1280
Comment
CHSC97378
Montia fontana subsp. chondrosperma
Paul Maslin
2006-3-17
38
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). UTM: 1061036E 4412565N.
Comment
CHSC56573
Montia parvifolia
L. P. Janeway
1987-6-5
2144
Butte
Along French Creek just south of mouth of Peavine Creek. At damp place among shrubs along dirt road.
624
Comment
JEPS117911
Montia parvifolia
L. P. Janeway
2008-6-22
9429
Butte
Along Four Trees Road crossing of South Branch Mill Creek (a tributary to North Fork Feather River) North Fork Feather River (2.7 air km east of Pulga Bridge (Hwy 70) over); Northern High Sierra Nevada
823
Comment
CAS-BOT-BC260538
Muhlenbergia filiformis
A. A. Heller
1917-7-28
12833
Butte
Butte Meadows
1280
Comment
CAS-BOT-BC262586
Muhlenbergia jonesii
Lowell Ahart
1985-10-12
5198
Butte
Near the east side of Kunkle Reservoir, about 2 miles south of Paradise
502
Comment
SEINET10596286
Muhlenbergia minutissima
Edwin B. Copel
1929-7-29
Copeland 341
Butte
Above Jonesville. Ephemeral on gravelly back of pond, as water of pond retreats during summer.
Comment
UCD39223
Najas guadalupensis subsp. guadalupensis
Beecher Crampton
1957-9-17
4629
Butte
5 miles northwest of Biggs.
Comment
CHSC39099
Nama lobbii
R. A. Schlising
1980-7-28
3929
Butte
E of Jonesville in n part of county, on road to Scotts John Creek.
Comment
CAS-BOT-BC60375
Nasturtium officinale
Lowell Ahart
1989-5-23
6239
Butte
North of the new subdivision road, 0.5 mile east of Dunstone Drive, about 0.5 mile north of Bangor Park Road.
76
Comment
UC1562317
Navarretia capillaris
Vernon Oswald and Lowell Ahart
1990-6-27
4331
Butte
0.3 mi wnw Buckeye (site) (Oro-Quincy Hwy at the s edge of Walker Plains); s edge Walker Plains, nw of Buckeye (site)
1536
Comment
UCD48390
Navarretia divaricata
H. F. Copeland
1930-7-28
s.n.
Butte
Jonesville, Butte County. Beside South Willow Creek in shady flat.
1828
Comment
POM74736
Navarretia filicaulis
C. C. Bruce
1898-05
2432
Butte
[No locality information provided]
Comment
UC1228165
Navarretia heterandra
Beecher Crampton
1960-6-15
5623
Butte
10 mi se Chico
Comment
CHSC116720
Navarretia intertexta
Lowell Ahart
2016-5-24
20864
Butte
On the bottom of a large drainage, 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
CHSC38601
Navarretia intertexta
Vernon Oswald
1983-6-3
619
Butte
Upper Bidwell Park, Chico, between Horseshoe Lake and Upper Park Rd.
97
Comment
UC726818
Navarretia leptalea subsp. leptalea
A. A. Heller
1917-7-26
12817
Butte
Butte Meadows
1280
Comment
CHSC71122
Navarretia leucocephala
Jan Monelo
1989-4-25
10
Butte
50 yds s of intersection of Broyles Rd and Hwy 99, ca 12 mi n of Chico; rim of drainage, ca 20 yds w of Hwy 99.
106
Comment
UCD48502
Navarretia leucocephala
W. R. Powell
1968-4-23
1472
Butte
2 miles south-southeast of Oroville, Butte County, California.
71
Comment
CHSC116738
Navarretia pubescens
Lowell Ahart
2016-5-24
20847
Butte
Near the ditch, about 200 yards west of Loma Rica Road, about 300 yards southwest of the intersection of Loma Rica Road and La Porte Road, about 3 1/2 miles (air) northeast of Honcut. Grassy area in Foothill Woodland.
50
Comment
CHSC37826
Navarretia tagetina
D. H. Ikeda
1980-5-10
351
Butte
0.4 mi w of intersection of Hwy. 99 and Broyles Rd., on n side of road in a field.
Comment
CHSC91118
Navarretia tagetina
Lowell Ahart
2005-5-28
11816
Butte
Along the south edge of Cox Lane, about 2 miles east of Palermo Honcut Highway, about 10 miles (air) southeast of Oroville.
91
Comment
UC518029
Navarretia tagetina
Lewis S. Rose
1933-5-27
33187
Butte
Honcut
32
Comment
UCD48660
Navarretia tagetina
M. Vincent
1963-6-5
381
Butte
Pentz road 5 miles south of Paradise. Roadside.
Comment
SEINET3163758
Navarretia tagetina
L. S. Rose
1939-6-5
39197
Butte
Honcut
30
Comment
CHSC39329
Navarretia viscidula subsp. purpurea
Lowell Ahart
1983-6-26
4133
Butte
Found along the edge of Ponderosa Way, about 1/2 mile west of the East Fork of Canyon Creek, about 14 miles north-east of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way.
500
Comment
CHSC60973
Nemacladus capillaris
Lowell Ahart
1993-6-20
6996
Butte
Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west of the Lost Creek Reservoir Dam.
1158
Comment
CHSC32657
Nemophila heterophylla
M. S. Taylor; L. Hanson
1981-3-16
3411
Butte
Shaded embankment, e side of Truex Rd, ca. 0.5 mi s of its jct with Hwy 70, ca. 7 mi n of Oroville.
304
Comment
CHSC697
Nemophila menziesii
E. Stilson
1897-4-1
Butte
Comment
CHSC114960
Nemophila pedunculata
Lowell Ahart
2015-3-14
19949
Butte
On the south side of Beatson Hollow, south of where the small stream flows into the stream on the bottom of Beatson Hollow, about 1-1/4 miles (air) northwest of Cherokee Road, about 7miles (air) north of Oroville.
302
Comment
CHSC39093
Nemophila pedunculata
R. A. Schlising; R. Banchero
1981-5-20
4065
Butte
Lumpkin Ridge, ne of village of Feather Falls.
1280
Comment
JEPS122023
Nemophila spatulata
Lowell Ahart
2014-7-4
19555
Butte
Road edge on the south side of Bull Hill Road, about 2 miles south of Butte Meadows.
Comment
UCD165420
Nymphaea odorata
Chuck Hughes
2014-8-6
407
Butte
Lake Madrone, near the dam, alongside Oroville-Quincy Highway.
602
Comment
SEINET8501843
Odontostomum hartwegii
C. Witham, J. Buck
2001-5-3
182
Butte
Book Family Farm, off of Hwy 99, 2 miles N of its intersection with Hwy 149, Book Ranch Site, pool # BOO072.
Comment
SEINET12265276
Odontostomum hartwegii
J. H. Morris
1932-1
s.n.
Butte
Durham
Comment
CHSC62624
Oemleria cerasiformis
Vernon H. Oswald; Lowell Ahart
1994-5-27
5959
Butte
0.66 miles W of Cherokee Rd. Jeep trail in Beaston Hollow on N. Table Mtn., W side of Cherokee Rd., N of Oroville. In the bottom of the hollow.
304
Comment
RSA0059254
Orobanche californica subsp. grayana
E. B. Copeland
1938-9-13
s.n.
Butte
Jonesville.
Comment
CHSC48640
Orobanche fasciculata
Vernon Oswald
1987-4-14
2324
Butte
Garland Rd. 0.3 mi n of Doe Mill Rd. (ene of Forest Ranch).
524
Comment
CHSC95103
Orobanche fasciculata
L. P. Janeway; Dan Lubin
2006-5-31
8650
Butte
Northern High Sierra Nevada. Plumas National Forest; northwest side of Rim Road (Ponderosa Way) at southern end of Rocky ridge and southern end of its serpentine openings. Southeast-facing slope near ridge top.
847
Comment
CAS-BOT-BC499846
Orobanche fasciculata
Helen M. Edwards
1917-6-1
s.n.
Butte
De Sabla
Comment
UC1609005
Orthilia secunda
Lowell Ahart
1993-9-13
7236
Butte
near Bolt Creek, about 1 mile south east of Butte Meadows
1325
Comment
SEINET12326989
Orthocarpus purpurascens
Unknown
1984-1
2
Butte
ca 5 mi E of Hwy 99, jct of Honey Run & Humbug Rds, SE side of road
107
Comment
CHSC52183
Osmanthus fragrans
L. P. Janeway; B. Castro
1989-10-8
3648
Butte
Campus of California State University, Chico. South side of Big Chico Creek, along walkway at east end of Kendell Hall.
60
Comment
UC1609367
Osmorhiza berteroi
Lowell Ahart
1993-7-6
7059
Butte
about 1 air mi nw Lost Creek Reservoir Dam; Mooreville Ridge, Jackass Flat
1158
Comment
CHSC30979
Osmorhiza chilensis
M. S. Taylor; R. Schlising
1980-7-6
3082
Butte
On w side of Hwy 32, ca. 0.3 mi s of Soda Springs Campground.
1127
Comment
CHSC42635
Osmorhiza chilensis
Vernon Oswald
1985-6-17
1840
Butte
Beside a logging road 0.1 mi e of the trailhead to Feather Falls.
768
Comment
UCD138167
Ottelia alismoides
T. C. Fuller
1977-9-20
2334
Butte
west of Biggs Rice Experiment Station, east of Cherokee Canal, approximately 0.5 km south of Highway 162.
Comment
CHSC3541
Oxalis pes-caprae
John Francis
1966-3-19
69
Butte
On hillside S. of covered bridge, Honey Run.
Comment
SEINET10454532
Oxypolis occidentalis
Mary Susan Taylor
1977-7-15
Taylor 1407
Butte
Butte Meadows, ca. 20 mi NE of Chico off Hwy 32.
1326
Comment
UC831739
Packera eurycephala var. lewisrosei
A. A. Heller
1938-5-28
15115
Butte
23 mi from Oroville (on the Feather River Highway); Feather River Highway
Comment
CAS-BOT-BC317158
Packera subnuda var. subnuda
E. B. Copeland
1930-6-27
s.n.
Butte
Jonesville
1550
Comment
CHSC1178
Paeonia brownii
V. Holt
1941-4-2
Butte
Forest Ranch.
548
Comment
CHSC38838
Panicum acuminatum var. acuminatum
Vernon Oswald
1983-5-31
587
Butte
Upper Bidwell Park, Chico, on the n bank of Chico Creek ca. 200 ft e of Day Camp.
91
Comment
CHSC94765
Panicum acuminatum var. acuminatum
Lowell Ahart
2006-9-11
13307
Butte
South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville.
431
Comment
UC768483
Panicum acuminatum var. acuminatum
R. F. Hoover
1936-5-21
1165
Butte
7 mi n Chico; n of Chico
Comment
SEINET10607444
Panicum bulbosum
A. Arthur Heller
1916-9-30
Heller 12665
Butte
Hills S miles north of Oroville in culivated ground where it occurs sparingly.
Comment
CHSC113112
Panicum capillare
Lowell Ahart
2013-11-13
19242
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
CHSC34203
Panicum capillare
J. D. Jokerst
1981-9-26
1486
Butte
Bidwell River State Park (Chico landing) ca 5.0 mi W of Chico.
Comment
CAS-BOT-BC253831
Panicum dichotomiflorum
Beecher Crampton
1957-9-17
4627
Butte
Biggs Rice Experiment Station, 5 miles NW of Biggs
Comment
CHSC100517
Panicum dichotomiflorum
Lowell Ahart
2008-11-4
15404
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
HSC92450
Parentucellia viscosa
L. Ahart
1976-5-25
1128
Butte
S side of Cox Lane, 1/10 mi. W of Palermo Honcut Hwy., 4 mi. N of Honcut, 10 mi. S of Oroville
34
Comment
CHSC111161
Parthenocissus quinquefolia
Lowell Ahart
2012-6-21
18210
Butte
On the south side of Big Chico Creek, about 250 yards east of the dam at Sycamore Pool, Lower Bidwell Park, Chico.
62
Comment
CHSC102410
Paspalum dilatatum
Lowell Ahart
2009-6-30
15969
Butte
On dry soil, on the east side of Ten Mile House Road, about 30 miles east of Big Chico Creek, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
234
Comment
JEPS98522
Paspalum distichum
Lowell Ahart
2000-10-2
8697
Butte
Northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) soutwest of Chico.
32
Comment
SEINET10453506
Paxistima myrsinites
Lowell Ahart
1983-3-28
Ahart 3909
Butte
E bank of Woodleaf Creek above the rd, ca. 3/8 mi sw of Forbestown Reserv., ca. 4 mi ne of Forbestown. Yellow Pine Forest.
450
Comment
SEINET10939921
Paxistima myrsinites
Mary Susan Taylor, K. Tharp
1983-3-11
Taylor 5224
Butte
T21N R6E se sec 30. Big Bald Rock, ca. 3 mi s of Brush Creek, ne of Oroville. 3200 ft.
975
Comment
CHSC36083
Pectocarya pusilla
R. Schlising; J. D. Jokerst
1981-4-15
4032
Butte
E and S of Palermo, along Swedes Flat Road and Lower Honcut Creek.
Comment
POM183165
Pedicularis attollens
H. F. Copeland
1930-7-24
1329
Butte
Jonesville.
1524
Comment
UC177581
Pedicularis attollens
H. M. Hall
1914-7-22
9771
Butte
near Jonesville (on Willow Creek); Willow Creek
1554
Comment
CHSC96838
Pellaea andromedifolia
Lowell Ahart
2007-5-29
13941
Butte
Near the southeast edge of Bald Rock Dome, on the west side of the Dome Trail, trail leads to the Middle Fork of the Feather River, about 1 1/2 miles by the trail from the trail head which is 3/10 mile east of Bean Creek Road, about 2 miles (air) northeast of Big Bald Rock, about 16 miles (air) northeast of Oroville.
636
Comment
CAS-BOT-BC71203
Pellaea andromedifolia
Lillian Mott
1969-4-27
s.n.
Butte
Table Mt.
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
CHSC39615
Pellaea mucronata
Lowell Ahart
1983-3-28
3912
Butte
On the east side of Woodleaf Creek, about 3/8 mile south-west of the Forbestown Res., about 4 miles north-east of Forbestown.
450
Comment
UC726756
Penstemon azureus var. angustissimus
A. A. Heller
1940-6-5
15701
Butte
along the Feather River Highway e of the first [Feather River] crossing; along the Feather River highway e of first crossing
Comment
UC1012163
Penstemon azureus var. azureus
F. W. Pennell and A. A. Heller
1940-6-5
25683
Butte
Route 24 above Oroville (along Feather River); Lassen Nat. Forest, along Feather River
548
Comment
UCD124230
Penstemon heterophyllus
Tracy I. Storer
1961-6-6
s.n.
Butte
State Highway 32, 13 miles east of Chico.
365
Comment
CHSC21055
Penstemon heterophyllus var. purdyi
M. S. Taylor
1975-6-30
815
Butte
Ca. 300 yds w of Cohasset Hwy, Cohasset.
731
Comment
CHSC38714
Penstemon heterophyllus var. purdyi
Vernon Oswald
1983-4-18
331
Butte
Upper Bidwell Park, Chico, on the north rim at a level approximating the e end of Horseshoe Lake.
152
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
CHSC26836
Penstemon newberryi
M. S. Taylor
1978-6-24
1650
Butte
Humboldt Summit, on Butte Co and Tehama Co line.
2133
Comment
CAS-BOT-BC245682
Penstemon newberryi var. newberryi
E. B. Copeland
1930-7-6
458
Butte
Above Jonesville
1900
Comment
CAS-BOT-BC239451
Penstemon rydbergii var. oreocharis
A. A. Heller
1928-7-10
14652
Butte
At Butte Meadows
Comment
UC478468
Penstemon rydbergii var. oreocharis
E. B. Copeland
1931-6-20
689
Butte
Jonesville , Jonesville (by Butte Creek)
1500
Comment
CHSC28895
Pentagramma triangularis
J. D. Jokerst
1980-1-29
436
Butte
E of North Table Mt, 50 m SE of Condor Rd, 400 m N of its jct with Oregon Gulch Rd.
426
Comment
RSA0094696
Pentagramma triangularis
Lowell Ahart
2004-6-22
11119
Butte
On the east side of Doe Mill Road, about 1/4 mile southeast of the bridge across Butte Creek, about 2 1/4 miles (air) southeast of Forest Ranch, about 5 miles (air) west of Stirling City.
628
Comment
CHSC27954
Pentagramma triangularis subsp. semipallida
M. S. Taylor
1979-3-20
1939
Butte
Ca. 1 mi n of jct of north fork Feather River, ca. 10 mi n of Oroville.
304
Comment
CHSC90138
Pentagramma triangularis subsp. triangularis
Jack Judkins
1983-4-16
9
Butte
6 mi east-southeast of Chico, 100 yds south of Butte Creek, 200 yds southeast of the Covered Bridge.
274
Comment
SEINET3166411
Pentagramma triangularis subsp. triangularis
P. J. Alexander
2009-5-27
1049
Butte
Western foothills of the northern Sierra Nevada, Feather Falls trail +-0.4 trail miles short of the overlook, 2.2 miles ESE of Bald Rock Dome, 17.8 miles NE of Orovoville, Plumas National Forest.
616
Comment
SEINET13944948
Perideridia bolanderi
A. A. Heller
1914-1
11572
Butte
Volcanic hills 5 miles east of Oroville in the Digger pine belt.
Comment
CHSC37267
Perideridia bolanderi subsp. bolanderi
L. Ahart
1982-6-15
3565
Butte
Ca. 1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls.
1000
Comment
UC1312887
Perideridia bolanderi subsp. involucrata
Lincoln Constance and Tsan-Iang Chuang
1967-6-21
3778
Butte
road to Magalia 1.8 mi n Pentz Store
137
Comment
CHSC40308
Perideridia lemmonii
Lowell Ahart
1985-8-11
5160
Butte
Along the south side of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 3 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
CHSC37502
Perideridia oregana
J. D. Jokerst; L. Ahart, M. S. Taylor
1983-1-17
1675
Butte
Top of North Table Mt. ca 1/2 mile NW of Cherokee Rd at the east edge of mesa.
381
Comment
CHSC66897
Persicaria hydropiper
Vernon H. Oswald
1996-10-22
8301
Butte
Oroville Wildlife Area on the NW side of the Feather River just upstream from the outlet of Thermalito Afterbay.
33
Comment
JEPS120019
Persicaria hydropiper
Lowell Ahart
2012-10-28
18522
Butte
On the south side of Big Chico Creek, about 50 yards east of Table 5, west of Cedar Grove, Lower Bidwell Park, Chico.
Comment
CHSC43266
Persicaria hydropiperoides
Lowell Ahart
1987-9-4
5881
Butte
On the bottom of a drying pond, on the bottom of North Honcut Creek, about 2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville.
67
Comment
CHSC108130
Persicaria lapathifolia
Lowell Ahart
2011-10-29
17725
Butte
On the bare sides of a ditch, on the south side of Biggs Princeton Road, about 500 yards west of Riceton Highway, about 1 mile northwest of Biggs.
27
Comment
CHSC37072
Persicaria maculosa
L. Ahart
1982-10-6
3845
Butte
Along edges of North Honcut Creek, Peter Ahart Ranch, ca. 3 mi ne of Honcut.
50
Comment
CAS-BOT-BC419171
Persicaria maculosa
Lowell Ahart
1982-10-6
3845
Butte
Along the edges of North Honcut Creek, Peter Ahart Ranch, about 1 mile north and 3 miles east of Honcut
50
Comment
UCD99744
Persicaria maculosa
J. M. Tucker
1953-8-28
2683
Butte
Biggs Rice Experiment Station.
Comment
CHSC109765
Persicaria punctata
Lowell Ahart
2012-10-28
18523
Butte
About 50 yards east of Table 5, west of Cedar Grove, Lower Bidwell Park, Chico.
68
Comment
CHSC31381
Petrorhagia dubia
J. D. Jokerst
1979-4-20
1209
Butte
Top of North Table Mt., ca. .75 mi. NE of the junction of Cherokee Rd. and the E edge of the mountain.
396
Comment
CHSC3836
Petrorhagia dubia
L. E. Dunkel
1965-4-15
19
Butte
Along Lindo Channel, ca. 300 yards e of Longfellow Bridge and ca. 40 yards s of dwelling at 1356 Manzanita Ave.
27
Comment
SBBG115476
Petrorhagia dubia
R. Molholm
1998-4-11
13
Butte
upper Bidwell Park, ca. 1 km E of Horseshoe Lake, along rd that follows Chico Crk
104
Comment
SEINET11933238
Petrorhagia dubia
Unknown
1984-1
14
Butte
ca 0.75 mi NE of Centinnial and Manzanita avenues
70
Comment
SEINET10935989
Phacelia cicutaria
Lowell Ahart
1984-4-4
Ahart 4541
Butte
T17N R4E. Peter Ahart Ranch, ca. 2.5 N and 2.5 E of Honcut. Foothill Woodland; 50 m.
50
Comment
CHSC50108
Phacelia corymbosa
Vernon Oswald
1990-4-24
4172
Butte
Lime Saddle Recreation Area on the West Branch of Lake Oroville, ca. 0.2 mi northeast of Nelson Bar Launch, ca. 0.2 mi east of Lime Saddle Powerhouse.
277
Comment
CHSC721
Phacelia egena
P. Delaplane
1965-4-8
57
Butte
Under overhang of cliff above creek on Richardson's Ranch. Ca 1.2 mi from Chico Municipal Airport on Richardson Springs Rd. Ca. 1/4 mi inside gate.
274
Comment
UC1299148
Phacelia egena
Freed W. Hoffman
1951-3-19
3857
Butte
lava cap bluff 16.3 mi from Chico (on road from Chico to Pentz)
Comment
CHSC118390
Phacelia egena
Tim Kask
2015-2-18
225
Butte
Antelope Creek, upstream from Fischer CG. 10T 0595755/4455054
Comment
CHSC59549
Phacelia imbricata
Lowell Ahart
1992-9-20
6922
Butte
Below the high water line of Lake Oroville, about 1/8 mile west of the Enterprise Boat Launch Ramp, about 3/4 mile south-west of Rocky Point.
243
Comment
RSA718394
Phacelia purpusii
L. Ahart
2006-7-16
12962
Butte
Near the open mudflow area, on the S side (road edge) of Humboldt Road, about 1.5 miles (air) SW of Butte Meadows.
1436
Comment
CHSC38467
Phacelia tanacetifolia
Vernon Oswald
1983-3-14
181 .5
Butte
Upper Bidwell Park, Chico, on the north rim ca. 0.9 mi e of the power lines.
320
Comment
UCD88343
Phalaris brachystachys
A. A. Heller
1902-5-3
5446
Butte
Near Nelson.
Comment
JEPS94650
Phalaris caroliniana
Lowell Ahart
1998-6-9
7999
Butte
about 7 air mi n Oroville (about 1/2 mi nw of the ione oak tree, nw of the cow chute along Cherokee Road); North Table Mountain
396
Comment
UCD88797
Phalaris caroliniana
A. A. Heller
1914-4-17
11307
Butte
8 miles N of Oroville.
Comment
CAS-BOT-BC259047
Phalaris lemmonii
A. A. Heller
1902-5-3
5447
Butte
Near Nelson
Comment
SEINET10660261
Phalaris lemmonii
Lowell Ahart
1982-1
Ahart 3431
Butte
Normal size. On dry red soil on bottom of vernal pool in farmed fields, Peter Ahart Ranch, Honcut, ca. 2 mi. NE of Honcut. Common in vernal pool. Valley Grassland.
50
Comment
UCD89175
Phalaris minor
A. A. Heller
1926-5-8
13939
Butte
Heller grounds near Chico.
Comment
CAS-BOT-BC77373
Philadelphus lewisii
A. A. Heller
1915-5-17
11875
Butte
Canyon of Chico Creek 5 miles east of Chico; about 50 miles to the south, probably along the Bear River
Comment
CAS-BOT-BC77378
Philadelphus lewisii
A. A. Heller
1915-5-17
11875
Butte
Canyon of Chico Creek 5 miles east of Chico; about 50 miles to the south, probably along the Bear River
Comment
UC1392744
Philadelphus lewisii
R. F. Hoover
1968-5-29
11136
Butte
Cohasset Road
Comment
UC1609449
Philadelphus lewisii
Lowell Ahart
1993-7-6
7060
Butte
about 1 air mi nw Lost Creek Reservoir Dam; Mooreville Ridge, Jackass Flat
1158
Comment
CAS-BOT-BC539359
Philadelphus lewisii
James I. Mallory
1970-5-26
373
Butte
Little Butte Creek Canyon S of Irish Town
426
Comment
SEINET10657474
Phleum alpinum
Vernon H. Oswald, Lowell Ahart
1989-7-12
Oswald 3853
Butte
T25N R5E se/S21, Red Fir Forest. Meadow near the headwaters of Big Kimshew Creek, ca. 2mi (air) sw of Lotts Lake,ca. 3 mi. (air) se of Philbrook Reservoir. Locally common on the meadow
1902
Comment
SEINET10969166
Phlox diffusa
Mary Susan Taylor
1979-7-21
Taylor 2147
Butte
Humboldt Peak, at Humboldt Summit, tallest point in the county, on Butte- Tehama County line.
2155
Comment
RSA3434
Phlox speciosa subsp. occidentalis
Helen M. Edwards
1917-06
s.n.
Butte
De Sabla.
Comment
CHSC30052
Phoradendron densum
David G. Bendix
1978-4-12
10
Butte
50 m ne of Intersection Coutelenc Road with Skyway, Magalia, CA.
830
Comment
CAS-BOT-BC135127
Phoradendron juniperinum
Saichi Kawahara
1968-5-5
395
Butte
Innskip
1463
Comment
CHSC3605
Phoradendron villosum
Gerry Carrauthers
1966-2-14
6
Butte
Far end of Bidwell Park. 8 mi. N. E. of city of Chico.
Comment
CHSC93064
Phyla nodiflora var. nodiflora
Linnea Hanson; Boy Scout troop
1996-7-1
Butte
Pine Creek Landing, off River Rd before Scotty's. Gravel bar on E shore of Pine Ck, just N of its confluence with the Sacramento River.
39
Comment
CHSC11340
Physalis lancifolia
Lowell Ahart
1972-11-4
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC49439
Physalis lancifolia
Vernon Oswald
1983-10-10
1067
Butte
Near Chico on Bell Rd. ca. 1/4 mi s of the Mud Creek Diversion Channel. Along the edge of a young orchard.
Comment
CHSC36431
Physocarpus capitatus
Robert A. Schlising; Coleta Lawler
1981-8-8
4192
Butte
E of Paradise at Concow Reservoir. Roadside.
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
CHSC105954
Phytolacca americana
Lowell Ahart
2010-9-24
17241
Butte
Near the north edge of the Golf Course, about 200 yards northeast of the footbridge, about 250 yards northeast of the Golf Club House, about 50 yards south of Big Chico Creek, Bidwell Park.
99
Comment
JEPS117523
Phytolacca americana
Lowell Ahart
2010-9-24
17241
Butte
Near the north edge of the Golf Course, about 200 yards northeast of the footbridge, about 250 yards northeast of the Golf Club House, about 50 yards south of Big Chico Creek, Bidwell Park
99
Comment
UCSB45758
Pilularia americana
Reisentz, Paul
1979-5-13
Butte
1 mi S of Derrick Road from Cherokee Road, 6 mi N on Derrick Road from Table Mnt. Road.
Comment
UCD136789
Pilularia americana
M. S. Taylor
1980-3-28
2396
Butte
In Valley Grassland just E of Chico. NE corner of jct of Notre Dam Blvd and the Skyway, ca. 1/8 mi E of Hwy 99.
68
Comment
SD14
Pinus monticola
E. B. Copeland
1929-7-17
Butte
above Jonesville, on summit ridges and north slopes
2000
Comment
UCD134797
Pinus monticola
E. B. Copeland
1929-7-17
s.n.
Butte
Above Jonesville.
2000
Comment
SEINET10530783
Pinus ponderosa
Mary Susan Taylor
1980-5-27
Taylor 2702
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
UC2026870
Pinus rigida
Lowell Ahart, Susan Bazell, Josephine Guardino, Wes Dempsey
2012-7-5
18268
Butte
Cedar Grove, south parking area, Lower Bidwell Park, Chico.
Comment
CHSC31515
Pinus sabiniana
L. Ahart
1971-3-17
66
Butte
On North Honcut Creek. Peter Ahart Ranch, Honcut.
45
Comment
SEINET10932762
Pinus sabiniana
Mary Susan Taylor
1975-4-26
Taylor 527
Butte
Kunkle Reservoir, ca. 500 yds E of Pentz-Magalia Hwy, ca. 1 m SE of Paradise. With Orthocarpus erianthus, Centaurea solstitus, Lupinus bicolor, Typha latifolia.
610
Comment
JEPS102238
Piperia transversa
L. P. Janeway
1996-5-27
4981
Butte
Northern Sierra Nevada Foothills. Next to the road into Vinton Gulch; 100 ft east of Cherokee Road.
307
Comment
SEINET10529961
Pityrogramma triangularis var. semipallida
Mary Susan Taylor
1980-2-17
Taylor 2361
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
SEINET10529969
Pityrogramma triangularis var. semipallida
Mary Susan Taylor
1979-5-4
Taylor 1996
Butte
Along Millsap Bar Road, 4 mi NE of its junction with Brush Creek Road, ca. 26 mi NE of Oroville; Yellow Pine Forest.
1006
Comment
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
CHSC28142
Plagiobothrys austiniae
Robert A. Schlising
1979-4-30
3383
Butte
Ca 10 mi nw of Oroville, near jct Pentz and Clark roads. At roadside.
76
Comment
UCD80155
Plagiobothrys austiniae
CNPS SN Foothill Team
2005-4-14
SNFN 0034 b
Butte
Private Rock Ranch, located near the southeast corner of the Rock Ranch pasture. The plot is ~ 45 m from the southern fence and 30 m west of the eastern fence.
98
Comment
HSC63974
Plagiobothrys austiniae
J. P. Smith
1973-3-22
5909
Butte
Along S.R. 149 just N of junction with U.S. 70
Comment
CHSC32127
Plagiobothrys glyptocarpus
L. Ahart
1978-4-27
1667
Butte
Along edges of small wash. Peter Ahart Ranch, Honcut.
50
Comment
CHSC35064
Plagiobothrys glyptocarpus
R. A. Schlising
1981-4-11
4020
Butte
Chico, between Hwy 32 and Humboldt Road.
76
Comment
HSC85971
Plagiobothrys glyptocarpus
J. Hunter
1986-3-5
22
Butte
Ca. 1 km E Chico, 50 m S Hwy. 32
75
Comment
CHSC44480
Plagiobothrys greenei
Lowell Ahart
1988-5-12
5995
Butte
On the bottom of a mine hole, in a mined over area, about 1/2 mile north-east of the Honcut Cemetery, Joie Osgood Ranch, about 3 1/2 miles east and 1 1/2 miles north of Honcut.
60
Comment
UC987699
Plagiobothrys greenei
Roxana S. Ferris
1952-5-16
12480
Butte
about 3 mi s of Cherokee on road to Oroville
335
Comment
SD60250
Plagiobothrys greenei
A. A. Heller
1926-3-22
13911
Butte
Near the Hooker Oak, 4.0 miles east of Chico.
Comment
CAS-BOT-BC228259
Plagiobothrys hispidulus
E. B. Copeland
1929-7-28
s.n.
Butte
Jonesville
1500
Comment
CHSC29051
Plagiobothrys leptocladus
R. A. Schlising
1980-4-14
3561
Butte
Richvale vernal pools. 1/4 mi s of junction Hwy 162 to Oroville and Hwy 99, along latter and across from Thermalito Afterbay; at dried margins of pools that contained standing water in winter.
Comment
CHSC14044
Plagiobothrys nothofulvus
J. A. Guichard
1973-4-4
10
Butte
Found above Chico Creek between Salmon Hole and Devils Kitchen 300 yds from Upper Bidwell Park.
Comment
SEINET10497555
Plagiobothrys nothofulvus
Lowell Ahart
1985-5-10
Ahart 4955
Butte
North of east branch of Potter Ravine, about 2 1/4 miles north of Oroville Dam.
Comment
CHSC35058
Plagiobothrys scriptus
R. Schlising; R. Banchero
1981-3-7
3996
Butte
S of Chico, 0.2 mi N of jct with Neal Road, along Chico/Oroville Hwy.
54
Comment
POM71619
Plagiobothrys stipitatus
C. C. Bruce
1898-03
2417
Butte
Sloughs. [No further location information.]
Comment
CHSC43551
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
1977-3-29
1234
Butte
In the borrow area about 5 miles south-west of Oroville.
30
Comment
JEPS98580
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2000-5-13
8352
Butte
5 air miles SW of Oroville (S side of the access road to the boat ramp at the Thermalito Afterbay, W of Larkin Road, 1 1/4 mi S of the Oroville Airport)
42
Comment
RSA768983
Plagiobothrys stipitatus var. micranthus
L. Ahart
2010-5-14
16653
Butte
West side of the old Humboldt Road, Disc Golf Area, about 150 yards north of the entrance to the Disc Golf Area, about 40 yards west of Highway 32, Upper Bidwell Park, about 5 air miles northeast of Chico
396
Comment
UC1609328
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
1993-5-17
6946
Butte
ca. 12 mi. s.e. Oroville (ca. 1.5 mi. n. and 3 mi. e. of Honcut, on w. side of Dunstone Rd.)
60
Comment
UCD121010
Plagiobothrys stipitatus var. micranthus
W. R. Powell
1968-4-23
1470
Butte
2 miles south-southeast of Oroville.
71
Comment
CHSC28979
Plagiobothrys tenellus
R. A. Schlising
1980-3-17
3516
Butte
E of Chico and SW of Paradise, along Skyway; on cliff edges above Butte Creek.
213
Comment
CHSC33132
Plagiobothrys tenellus
J. D. Jokerst; M. S. Taylor
1980-4-19
612
Butte
Butte Creek Canyon, 7.4 mi N of the Centerville Cemetery on Humbug Rd.
Comment
RSA63834
Plagiobothrys tenellus
A. A. Heller, H. E. Brown
1902-5-9
5509
Butte
Berry Canyon (near Clear Creek) from type region
Comment
UC179493
Plagiobothrys tenellus
A. A. Heller
1914-5-8
11373
Butte
Clear Creek-Paradise grade
Comment
CHSC58262
Planodes virginica
Lowell Ahart
1992-4-17
6747
Butte
In a rice field, on the east side of Goodspeed Watt Road, about 1 1/4 miles south of the Butte City Highway.
30
Comment
CAS-BOT-BC60823
Planodes virginica
Lowell Ahart
1985-4-1
4871 a
Butte
Along Wyandotte Creek and Central House Road, northwest of Honcut, about 12 miles south of Oroville.
35
Comment
CHSC104837
Plantago coronopus
Lowell Ahart
2010-6-12
16802
Butte
In the center of Ten Mile House Road, where the trail comes in from the east, about 3/4 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico.
224
Comment
CHSC70853
Plantago elongata
Lowell Ahart
1988-4-8
7949
Butte
West of the dirt road, 1/10 mile north of the Thermalito Diversion Dam, east of the Thermalito Diversion Pool, 1/4 mile northeast of Oroville.
67
Comment
JEPS104005
Plantago elongata
Lowell Ahart
2003-4-8
10032
Butte
On the high water line of a small vernal pool, ca 20 yd south of a faint poor dirt road, pasture field, ca 150 yd sw of the iron gate and fence, w of Cherokee Rd, North Table Mountain, ca 7 mi (air) n of Oroville.
348
Comment
UC1125624
Plantago erecta
C. G. Albertus
1933-5-29
5
Butte
1.5 mi n Wick; Chico Quad.
60
Comment
SEINET12332634
Plantago erecta
M. S. Taylor
1981-1
3549
Butte
S side of Concow Rd, on ridge, ca 0.5 mi S of its junction with Ponderosa Way (rim road), ca 2 mi N
853
Comment
CHSC33825
Plantago major var. scopulorum
R. E. Preston
1981-8-5
121
Butte
Wet gravel bar, n bank of Chico Creek; ca. 1 3/4 mi nne of the boundary of Upper Bidwell Park at Road's end, Chico.
228
Comment
SEINET10470061
Platanthera dilatata var. leucostachys
Mary Susan Taylor
1978-1
Butte
Comment
CHSC49682
Platanthera leucostachys
Vernon Oswald
1983-6-22
735
Butte
Soda Spring Campground near Calif. Hwy 32, 17.8 mi n-e of Forest Ranch. Beside Chico Creek.
1112
Comment
JEPS94565
Platanthera leucostachys
Lowell Ahart
1997-7-11
7746
Butte
se Cold Creek (along small stream from springs, n of dirt road, about 2 air mi sw of Bald Mt., about 9 mi by road e (or about 2 air mi ne) of Stirling City)
1219
Comment
UC600641
Platanthera sparsiflora
H. F. Copeland
1931-6-9
Butte
Jonesville
1524
Comment
CHSC77489
Platanus X acerifolia
Anna Pinsky
1997-4-30
34
Butte
Upper Bidwell Park, between Bear and Salmon Hole, adjacent to Big Chico Creek, next to large rocks.
Comment
CHSC38587
Platanus racemosa
Vernon Oswald
1983-7-13
867
Butte
Upper Bidwell Park, Chico, at Five Mile Recreation Area. Growing near the creek in riparian woodland.
85
Comment
RSA0106540
Platanus racemosa
C. C. Bruce
1897-05
1824
Butte
Little Chico.
Comment
SEINET10464979
Plectritis ciliosa
Mary Susan Taylor
1975-3-10
Taylor 415
Butte
Honey Run Covered Bridge, along Butte Creek, from bridge, on bluffs (S side) down to creek and along creek, returning to bridge; ca. 8 mi E of Chico. Riparian Woodland and Foothill Woodland.
152
Comment
CHSC60694
Plectritis macrocera
Vernon H. Oswald; James Snowden
1993-4-7
5252
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
UC426929
Pleuricospora fimbriolata
E. B. Copeland
1929-7-13
436
Butte
Jonesville
1550
Comment
CAS-BOT-BC458151
Pleuricospora fimbriolata
M. S. Taylor
1980-8-2
3210
Butte
Humboldt Summit, ca. 100 ft. W of Old Humboldt Rd.
2011
Comment
JEPS122268
Poa annua
Lowell Ahart
2014-4-9
19324
Butte
On the north side of Colusa Highway, about 4/10 mile east of the intersection of Pennington Road and Colusa Highway, about 5 1/2 miles west of Gridley.
Comment
CHSC8602
Poa bulbosa
M. Banning
1969-4-9
47
Butte
9 mi. E. Chico on Hwy. 32.
259
Comment
CHSC89036
Poa bulbosa
A. Peterson
2003-3-25
10
Butte
East of Chico, Humboldt Rd., along road edge.
152
Comment
JEPS98541
Poa compressa
Lowell Ahart
2000-6-29
8540
Butte
On the west side of Concow Road at Flea Meadow, about 1/2 mile west of Flea Mountain, about 3 1/2 miles (air) north of Concow Reservoir, about 5 miles (air) east of Magalia.
1036
Comment
UC1562320
Poa cusickii subsp. epilis
Vernon Oswald and Lowell Ahart
1990-7-19
4371
Butte
ca 3 mi e Philbrook Reservoir (ca 0.8 mi w of Plumas Co line, s side of Philbrook Creek)
1965
Comment
CHSC61546
Poa howellii
Lowell Ahart
1993-6-26
7030
Butte
Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west of the Lost Creek Reservoir Dam.
1158
Comment
UC1586584
Poa howellii
Vernon H. Oswald and Lowell Ahart
1991-6-5
4643
Butte
ca 1.5 air mi nw Platte Mt Lookout (dirt rd to Minnie Ha Ha Mine on Big Chico Creek, w side of Hwy 32, between Forest Ranch and Lomo)
670
Comment
RSA755425
Poa palustris
L. Ahart
2009-6-3
15815
Butte
About 100 yards west of the table at the old homestead and southwest of Ten Mile House Road, Upper Bidwell Park, about 3/4 air mile southwest of intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
240
Comment
CHSC9347
Poa pratensis
B. Anthony
1968-4-16
461
Butte
Chico State College Campus, entrance to Vets Village, Chico.
Comment
CHSC101298
Poa secunda subsp. secunda
Lowell Ahart
2009-4-22
15599
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
CHSC36541
Poa secunda subsp. secunda
L. Ahart
1982-6-4
3552
Butte
1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls.
1000
Comment
HSC12182
Poa secunda subsp. secunda
P. Van?
1918-4-29
2059
Butte
Butte Creek about 4 mi. SE of Chico.
Comment
HSC39887
Poa secunda subsp. secunda
J. P. Smith
1973-3-22
5932
Butte
2.1 mi. E of junction with Hwy. 99 and the road to Paradise
122
Comment
UCD91669
Poa secunda subsp. secunda
P. B. Kennedy
1914-5-8
s.n.
Butte
Clear Creek, Paradise Grade.
Comment
CAS-BOT-BC244153
Poa sierrae
Lowell Ahart
1978-4-19
1486
Butte
Along the trail to Feather Falls, about 0.5 mile from the trail head
650
Comment
CHSC37340
Poa sierrae
L. Ahart
1980-5-29
2355
Butte
Along the edge of the dirt road, near Jordan Creek, ca. 2 1/2 mi ne of the Oroville-Quincy Hwy, ca. 5 mi ne of Mt. House.
1100
Comment
RSA0022168
Pogogyne zizyphoroides
A. A. Heller
1938-4-22
15043
Butte
On U. S. Highway 99E, near the Cana road.
Comment
CHSC23540
Poinciana gilliesii
M. S. Taylor
1975-6-21
778
Butte
Ca. 1 mi w of Esplanade on W. 11th Ave, Chico.
Comment
UC1564726
Polemonium occidentale subsp. occidentale
V. Oswald and L. Ahart
1989-7-21
3871
Butte
ca 1 mi w Jonesville (near the junction of Willow and Colby Creeks on the n side of Humbold Road); w of Jonesville
1490
Comment
SEINET10866374
Polycarpon tetraphyllum
Lowell Ahart
1985-6-9
Ahart 5041
Butte
Cherry Street, between 9th and 8th Street, Chico.
Comment
UC1094004
Polygala cornuta var. cornuta
Lewis S. Rose
1955-6-15
55102
Butte
on Pentz Road 6 mi se Paradise
426
Comment
CHSC112725
Polygonum aviculare
Lowell Ahart
2013-10-26
19217
Butte
South side of Philbrook Creek, below the high water line (strand) of Philbrook Reservoir.
1681
Comment
CHSC31367
Polygonum bidwelliae
C. Glascock
1965-5-11
376
Butte
At edge of Skyway 2.5 km s (1.85 mi. s.) of Russell Drive, Paradise.
Comment
CHSC28773
Polygonum bolanderi
J. D. Jokerst
1979-9-22
355
Butte
50 yds. N. of Humboldt Rd., 2.0 mi. N.E. of intersection with Hwy. 32.
1371
Comment
CHSC31167
Polygonum douglasii subsp. douglasii
M. S. Taylor
1978-9-9
1916
Butte
On w side of Bull Run Rd, ca. 11 mi s of Butte Meadows.
1463
Comment
UC1509659
Polygonum hydropiper
L. Ahart
1982-10-11
3864
Butte
large duckpond ca 1/10 mi w Graylodge Wildlife Refuge (ca 12 mi sw of Gridley)
35
Comment
SEINET10479647
Polygonum hydropiperoides
Lowell Ahart
1991-9-14
Ahart 6716
Butte
On the sides of a large reservoir, Joie Osgood Ranch, about 2 miles east of Honcut. Valley Grassland. T17N R4E S/C/S14.
46
Comment
CHSC105516
Polygonum minimum
Lowell Ahart
2010-9-28
17267
Butte
On damp dark soil, along the east side of Big Kimshew Creek, about 100 yards east of the poor dirt road, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrood Reservoir.
1886
Comment
UC1509633
Polygonum persicaria
L. Ahart
1982-10-6
3845
Butte
ca 3 mi ne Hocut; Peter Ahart Ranch, North Honcut Creek
50
Comment
POM219111
Polygonum phytolaccifolium
E. B. Copeland
1930-8-4
628
Butte
Jonesville.
1500
Comment
CHSC27968
Polygonum polygaloides subsp. kelloggii
M. S. Taylor
1978-7-19
1765
Butte
On e side of Upper Scotts John Rd, ca. 3 mi n of its jct with Scotts John Rd, ca. 7 mi ne of Jonesville.
1889
Comment
JEPS88548
Polygonum punctatum
Vernon H. Oswald and Lowell Ahart
1996-7-22
8077
Butte
U.S. Fish and Wildlife Service parcel between 7-Mile Lane and Sacramento River (edge of farm road crossing a branch of Angel Slough w of Refuge HQ at se corner of Tract 1...); Sacramento River National Wildlife Refuge, Llano Seco Unit
32
Comment
SEINET10479674
Polygonum punctatum
Lowell Ahart
1990-10-3
Ahart 6620
Butte
On the bottom of the East Fork of Canyon Creek, below the high water line of Lake Oroville, about 1/4 mile north-east of the Canyon Creek Bridge across Lake Oroville. Foothill Woodland (destroyed). T20N R5E SW/S16.
259
Comment
SEINET10479686
Polygonum spergulariiforme
Mary Susan Taylor
1980-9-19
Taylor 3338
Butte
In serpentine, ca. 100 ft S of Coutelenc Rd, ca. 500 ft E of jct with the Skyway, Magalia.
Comment
SEINET11715827
Polypodium californicum
J. D. Mott
1978-1
13
Butte
West Branch Feather River
280
Comment
SFV10663
Polypodium californicum
M. L. Vincent
1964-4-8
510
Butte
Sierra Nevada PG&E powerplant, Feather River Canyon. 2 miles northeast of new bridge.
475
Comment
CAS-BOT-BC71863
Polypodium californicum
Lowell Ahart
1981-3-29
2716
Butte
Along Ponderosa Way, Ponderosa Dam
350
Comment
CAS-BOT-BC71868
Polypodium californicum
Lowell Ahart
1980-3-8
2034
Butte
Peter Ahart Ranch, Honcut
50
Comment
CHSC29018
Polypodium calirhiza
M. S. Taylor; J. D. Jokerst, L. Ahart
1980-4-4
2430
Butte
Ca. 10 ft s of Swedes Flat Rd, at jct with Rocky Honcut Creek, ca. 2 mi e of OrovilleBangor Hwy, ca. 10 mi se of Oroville.
365
Comment
UC122771
Polypodium calirhiza
Mrs. R. M. Austin
1883-4-1
313
Butte
bluffs - Little Chico Creek Little Chico Creek
Comment
CAS-BOT-BC76866
Polypodium glycyrrhiza
A. A. Heller
1919-3-29
13089
Butte
Feather River near Yankee Hill
Comment
SEINET10530416
Polypodium glycyrrhiza
Mary Susan Taylor, L. Hanson
1981-4-2
Taylor 3469
Butte
T20N R7E ne sec 32; Clipper Mills quad. South side of Forbestown Reservoir, in serpentine cliff, south side of Rd 20N29, ca. 3 air mi north of Woodleaf. l800 ft.
549
Comment
CAS-BOT-BC233057
Polypogon interruptus
Lowell Ahart
1977-6-2
s.n.
Butte
Peter Ahart Ranch, Honcut
50
Comment
JEPS119521
Polypogon interruptus
Lowell Ahart
2011-10-29
17726
Butte
On the south side of Biggs Princeton Road, about 500 yards west of Riceton Highway, about 1 miles northwest of Biggs.
Comment
RSA715468
Polypogon interruptus
L. Ahart
2005-5-2
11779
Butte
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.
26
Comment
SEINET11665625
Polypogon interruptus
Unknown
1977-1
1365
Butte
Peter Ahart Ranch, Honcut
50
Comment
CHSC46106
Polypogon monspeliensis
L. Ahart; M. S. Taylor, J. D. Jokerst
1982-4-29
1536
Butte
Just north of Rutherford Rd. ca 100 met. west of its junction with Pennington Rd. Grey Lodge Waterfowl Management Area.
Comment
JEPS116026
Polypogon monspeliensis
Lowell Ahart
2009-7-9
16012
Butte
At the drain pipe, on the east side 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
209
Comment
CAS-BOT-BC237454
Polypogon viridis
Lowell Ahart
1987-5-27
5700
Butte
Along the N Fork of the Feather River, near the Poe Power House, about 2 miles SE of Jarbo Gap
271
Comment
SEINET10959317
Polypogon viridis
Lowell Ahart, Peter Ahart
1983-7-29
Ahart s.n.
Butte
T22N R6E sw sec. 36. Ca. 0.5 mi e of Milsap Bar, ca. 25 mi ne of Oroville. Yellow Pine Forest
Comment
SEINET10867042
Polystichum imbricans
Mary Susan Taylor
1981-3-18
Taylor 3420
Butte
T22N R5E ne sec 16. Pulga SW quad. N side of Pulga Rd, at bridge and along road to 1/4 mi n of its jct with Hwy 70 at Pulga bridge, ca. 20 air mi n of Oroville. Serpentine outcrops; 1600 ft.
488
Comment
CDA42712
Polystichum imbricans subsp. curtum
L. Ahart
2004-6-22
11118
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
RSA700216
Polystichum imbricans subsp. curtum
L. Ahart
2004-6-22
11118
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 (air) miles west of Stirling City
629
Comment
CHSC82489
Polystichum imbricans subsp. imbricans
Lowell Ahart; John Dittes, Josephine Guardino
2002-6-21
9735
Butte
On a mountainside, Watson Ridge, about 2 miles (air) northeast of Bald Rock Dome, about 5 miles (air) north of Feather Falls (the town).
Comment
SD149211
Polystichum scopulinum
Lowell Ahart, Vernon Oswald
1987-7-5
3189
Butte
Rock outcrops skirting the north flank of Humboldt Peak on the Butte-Plumas county border, south of the Pacific Crest trail.
2070
Comment
SEINET10539164
Populus tremuloides
Mary Susan Taylor, Lowell Ahart
1981-8-15
Taylor 4189
Butte
T26N R5E ne 1/4 ne 1/4 sec. 30. Jones- ville SW quad. N end of Snag Lake (dry this year), dry clay soil, Yellow Pine Forest and Montane Meadow, E side of Humbug Rd. ca. 14 mi NE of Stirling City. 5700 ft.
1737
Comment
CHSC116124
Portulaca oleracea
Lowell Ahart
2015-10-26
20608
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
CAS-BOT-BC445225
Portulaca oleracea
John Thomas Howell
1961-9-22
36745
Butte
Feather River Highway 3 miles from Oroville
Comment
UCR198012
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
CHSC34127
Potamogeton natans
L. Ahart
1981-9-21
3198
Butte
Along French Creek, ca. 100 m w of where the road crosses French Creek, ca. 1 mi w of the Sly Creek Reservoir. In a pond above the swamp.
1300
Comment
CHSC43803
Potamogeton natans
Vernon Oswald
1987-7-29
3168
Butte
Southwestern most lake in a cluster of three located in the se/S6, ca. 0.5 mi (air) s of Coon Hollow Rd. and 2.5 mi (air) n of Philbrook Reservoir.
1752
Comment
CHSC45607
Potentilla glandulosa subsp. glandulosa
L. P. Janeway
1987-5-28
2114
Butte
Edge of ridge at Coyote Gap F.S. station.
1325
Comment
CHSC26856
Potentilla gracilis var. fastigiata
M. S. Taylor; M. Hayes
1978-6-24
1666
Butte
Meadow, on n side of Old Humboldt Rd, across from Butte Meadows.
1371
Comment
CHSC44166
Potentilla gracilis var. fastigiata
V. Oswald; L. Ahart
1988-7-26
3618
Butte
Snow Mt. region located ca. 6 air mi se of Jonesville.
1996
Comment
CAS-BOT-BC539445
Potentilla gracilis var. fastigiata
V. Oswald; L. Ahart
1988-7-26
3618
Butte
Snow Mt. region located ca. 6 air mi se of Jonesville
1996
Comment
CHSC43834
Prunella vulgaris var. lanceolata
L. P. Janeway
1987-6-20
2266
Butte
Along Fall River ca 2 mi straight line NE from Camp Eighteen.
1173
Comment
CHSC52063
Prunella vulgaris var. lanceolata
B. Castro; P. Broyles, R. A. Schlising, L. P. Janeway
1987-7-19
148
Butte
0.95 mi into Coon Hollow below Campground, by edge of Coon Creek and on edge of adjacent meadow.
1664
Comment
CHSC64044
Prunella vulgaris var. lanceolata
S. C. Morey
1983-8-4
715
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows.
1292
Comment
JEPS115579
Prunella vulgaris var. vulgaris
Lowell Ahart
2009-6-12
15839
Butte
10 yards north of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove, Lower Bidwell Park, Chico
67
Comment
CHSC9388
Prunus
M. MacArthur
1968-6-12
329
Butte
NW side of Aymer Jay Hamilton School, Chico State College campus.
60
Comment
CHSC109648
Prunus avium
Lowell Ahart
2012-5-17
18083
Butte
Both side of the horse trail, between the paved park road and the poor dirt road, betw2een the paved park road and the poor dirt road, between Table 21 and Larch, Lower Bidwell Park, Chico.
73
Comment
CDA43085
Prunus cerasifera
L. P. Janeway
2012-2-28
10786
Butte
Northern Sierra Nevada Foothills.; Oroville; east side of the Feather River about 150 m southeast of the Thermalito Diversion Dam.
Comment
CHSC110110
Prunus cerasifera
L. P. Janeway
2012-5-2
10815
Butte
Sacramento Valley. City of Chico; Lower Bidwell Park, north side Big Chico Creek between creek and Vallombrosa Ave near Crister Ave.
62
Comment
CHSC110117
Prunus cerasifera
L. P. Janeway
2012-2-28
10788
Butte
Sacramento Valley. City of Chico; semi-natural riparian strip be-tween Big Chico Creek and Vallombrosa Way just southwest of One Mile Recreation Area; northwest side of the creek. Next to the road.
62
Comment
CHSC38930
Prunus cerasifera
Vernon Oswald
1983-2-23
93
Butte
Upper Bidwell Park, Chico, at the Salmon Hole Parking Area (1.4 mi e of the power lines). Along an intermittent stream.
158
Comment
JEPS124141
Prunus cerasifera
Lowell Ahart
2015-8-21
20522
Butte
On the southeast corner of the intersection of Cox Lane and Lone Tree Road, about 10 miles south of Oroville.
Comment
LA208076
Prunus emarginata
E. B. Copeland;
1931-7-28
650
Butte
Jonesville, W of North Willow Creek
1650.0
Comment
POM196545
Prunus emarginata
H. F. Copeland
1929-6-10
1200
Butte
Jonesville.
1524
Comment
CHSC5987
Prunus laurocerasus
M. MacArthur
1968-6-12
138
Butte
Along SW wall of PSA building, near NW end, Chico State College campus, Chico.
60
Comment
CHSC35090
Prunus persica
S. Posner
1972-10-3
Butte
Garden behind 725 Nord Ave., Chico.
Comment
HSC60315
Prunus subcordata
J. P. Smith, J. O. Sawyer
1973-4-14
6059
Butte
Cohasset
Comment
CHSC27934
Pseudognaphalium luteoalbum
M. S. Taylor
1977-11-10
1529
Butte
Ca. 1 mi e of jct of Nelson West Rd and Chico-Butte Hwy, on n side of Nelson West Rd in creek, ca. 23 mi s of Chico.
30
Comment
CHSC105611
Pseudognaphalium thermale
L. P. Janeway
2010-8-5
10137
Butte
Northern High Sierra Nevada. Plumas National Forest; along Road 21N48 (closed) about 300 m south of Milsap Bar Road; 1.1 km northwest of Middle Fork Feather River and 2.7 km southeast of Brush Creek town.)
996
Comment
CHSC28388
Pseudognaphalium thermale
J. D. Jokerst
1979-10-13
387
Butte
Jordan Hill Rd., 2.4 mi. N. of Concow Cr.
609
Comment
CAS-BOT-BC80090
Pseudotsuga menziesii
John Thomas Howell
1962-6-15
37434
Butte
Magalia
731
Comment
CHSC32154
Pseudotsuga menziesii var. menziesii
L. Ahart
1975-4-1
736
Butte
Along edge of rd; ca. 2 mi s of Ponderosa Dam.
396
Comment
CHSC6614
Pseudotsuga menziesii var. menziesii
M. MacArthur
1968-6-17
302
Butte
Parking lot NE of building V, Chico State College campus.
60
Comment
SEINET10474855
Psilocarphus tenellus
Lowell Ahart, Peter Ahart
1983-6-12
Ahart 4042
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
CHSC33154
Ptelea crenulata
J. P. Smith; J. O. Sawyer
1973-4-14
6063
Butte
Rock Road 1mile west of Cohasset Road near Chico.
Comment
CHSC27909
Pteridium aquilinum var. pubescens
M. S. Taylor
1978-7-19
1742
Butte
Cherry Hill Campground, on s side of Old Humboldt Rd, ca. 2 mi sw of Jonesville.
1524
Comment
CHSC2418
Pterospora andromedea
R. Carter
1965-6-21
258
Butte
Found along E side of Oroville-Quincy Rd. 1.05 mi. S of Buckeye Water Hole, growing ca. 15' from road.
1219
Comment
CHSC44422
Pyrola aphylla
Lowell Ahart
1988-6-15
6043
Butte
North-west of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road.
670
Comment
CAS-BOT-BC462604
Pyrola dentata
Duncan Dunning
1921-7-29
9 (USDA no. 42081)
Butte
Lassen Forest, Chico Meadows
944
Comment
SEINET10449204
Pyrola picta f. aphylla
Mary Susan Taylor
1977-6-25
Taylor 1387
Butte
Foothill Woodland-Yellow Pine Forest transition zone, on Ponderosa Way betwe en Cohasset and Forest Ranch.
610
Comment
CHSC110114
Pyrus calleryana
L. P. Janeway
2012-3-6
10791
Butte
Sacramento Valley. Southern edge of Chico; fenceline along west side of Hwy 99 just south of Estates Drive.
65
Comment
CHSC108797
Pyrus communis
Lowell Ahart
2012-4-9
17822
Butte
About 20 yards east of Big Chico Creek, south part of Upper Bidwell Park, about 1/2 mile east of the power lines, about 1 1/2 miles (air) northeast of Chico.
96
Comment
CHSC109613
Pyrus communis
Lowell Ahart
2012-5-17
18079
Butte
On the west side of the horse trail, southeast of the southwest corner of the old walnut orchad, about 3/5 miles west of Peterson Drive, Lower Bidwell Park, Chico.
76
Comment
CAS-BOT-BC45812
Quercus
H. F. Copeland
1920-8-26
178
Butte
near Jonesville
1219
Comment
CHSC5960
Quercus
M. MacArthur
1968-6-17
195
Butte
Half way between Big Chico Creek and SW entrance of LS bld., Chico State College campus.
60
Comment
JEPS120491
Quercus X morehus
B. Castro
2003-9-10
1461
Butte
CA 15 mi NE of Oroville, on the slopes over the West Branch Feather River across from the Lime Saddle area. Just below State Recreation Area boundary.
Comment
CHSC96811
Quercus berberidifolia
Lowell Ahart
2007-4-30
13707
Butte
On the west side of Jordan Hill Road, about 2 miles northwest of Concow Creek, about 2 miles northwest of Concow Reservoir.
484
Comment
POM106268
Quercus chrysolepis
C. C. Bruce
1898-05
1805
Butte
Forest Ranch
Comment
UC1135414
Quercus chrysolepis
P. L. Johannsen
1936-7-28
965
Butte
3 mi sw Butte Meadows; Paynes Creek Quad.
1402
Comment
UC2026891
Quercus coccinea
Lowell Ahart, Susan Bazell, Josephine Guardino
2012-5-31
18119
Butte
On the north side of the paved park road (Peterson Drive) about 600 yards west of the gate, northeast of the parking Area, Lower Bidwell Park, Chico.
Comment
UCD170420
Quercus douglasii
D. O. Burge
2017-3-18
2227
Butte
Butte Creek watershed, below Doe Mill Ridge.
220
Comment
UCR237301
Quercus douglasii
George K. Helmkamp, E. A. Helmkamp
2012-4-14
18758
Butte
Northwestern Sacramento Valley, Cox Lane, 1.3 miles west of its intersection with La Loma Way, c. 10.3 mi. ENE (82 deg. ) of Gridley
91
Comment
UCR231085
Quercus kelloggii
Anna M. Hurlbutt
2009-8-12
015
Butte
Northern Sierra Nevada Mtns., Paradise, yard of residence at end of Kerr Lane
526
Comment
JEPS117323
Quercus lobata
Lowell Ahart
2010-6-12
16803 A
Butte
North side of the pond and table, at the old homestead, about 100 yards south of Ten Mile House Road, about 5/8 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico
249
Comment
JEPS38059
Quercus lobata
H. A. Dutton
1921-8-21
Butte
Chico
Comment
RSA28825
Quercus lobata
A. A. Heller
1915-4-1
11791
Butte
Low flat land in the Sacramento Valley near Durham.
69
Comment
CAS-BOT-BC104488
Quercus vacciniifolia
Lowell Ahart
1988-7-28
6140
Butte
At the north side of the dam at Lost Creek Reservoir
1005
Comment
UCD170590
Quercus vacciniifolia
D. O. Burge; V. Church
2017-9-3
2293
Butte
Philbrook Reservior.
1635
Comment
CAS-BOT-BC104692
Quercus wislizeni
Lowell Ahart
1979-5-12
s.n.
Butte
along bands of N Honcut Creek. Peter Ahart Ranch, Honcut
50
Comment
CHSC1483
Ranunculus alismifolius
M. Roberson
1956-4-1
Butte
SW of Paradise, along Skyway.
426
Comment
SD1770
Ranunculus aquatilis
E. B. Copeland
1929-7-28
360
Butte
Jonesville, in cold streams
1500
Comment
CAS-BOT-BC379111
Ranunculus aquatilis var. diffusus
M. S. Taylor; L. Ahart
1981-8-15
4183
Butte
in and along west branch Feather River, 3.4 mi SW of Snag Lake, ca. 11 mi NE of Stirling City.
1615
Comment
CAS-BOT-BC378987
Ranunculus arvensis
L. L. Heinrichs
1970-5-9
s.n.
Butte
Biggs, East Biggs Rd., roadside in ditch E of canal
Comment
POM268459
Ranunculus canus
A. A. Heller
1926-3-31
13916
Butte
14 miles S of Chico.
Comment
SEINET12087494
Ranunculus canus
A. A. Heller, Brown, H. E.
1902-1
s.n.
Butte
near Nelson
Comment
SBBG71846
Ranunculus canus var. canus
A. A. Heller
1926-3-31
13916
Butte
Nelson, 14 mi S of Chico
Comment
CHSC52792
Ranunculus flammula var. ovalis
R. Preston; J. Fuller, R. A. Schlising
1981-7-21
4158
Butte
Ne part of county, N of Snow Mountain ridge. In shoreline of small lake.
1950
Comment
HSC100728
Ranunculus hebecarpus
Lowell Ahart
2009-4-22
15592
Butte
Along the Guardians Trail, ~100 yd. N of Pine Trail, Upper Bidwell Park, W of the intersection of Hwy. 32 and Ten Mile House Rd., 10 mi. NE of Chico.
382
Comment
CHSC118056
Ranunculus muricatus
Daphne K. Christopher; Hannah Stevens, Lowell Ahart
2003-4-21
228
Butte
Off Hwy 99. Ahart Family Ranch along boundary on access road and edge of field.
41
Comment
CHSC46068
Ranunculus muricatus
Kirsten Tarp
1983-5-31
286
Butte
Nelson, in lawn in front of the Nelson Post Office.
36
Comment
CHSC90640
Ranunculus muricatus
Lowell Ahart
2005-4-2
11693
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
CHSC52794
Ranunculus occidentalis
M. S. Taylor
1979-3-31
1963
Butte
Lickey Property, along Ishi Trail Rd, ca. 1/2 mi ne of Concow Rd, and Lake Concow, ca. 25 mi n of Oroville.
670
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
CHSC41517
Ranunculus occidentalis var. ultramontanus
Kirsten Tarp
1983-8-5
325
Butte
Ca. 1.0 mi sw of Jonesville on Humboldt Rd. at Colby Creek. Near stream in meadow.
1487
Comment
CHSC41520
Ranunculus occidentalis var. ultramontanus
Kirsten Tarp
1983-8-12
352
Butte
N part of county, e of Philbrook Reservoir.
1889
Comment
CHSC64209
Ranunculus occidentalis var. ultramontanus
S. C. Morey
1983-8-1
657
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows. In meadow.
1292
Comment
CHSC64210
Ranunculus orthorhynchus
S. C. Morey
1983-8-1
658
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows. In meadow.
1292
Comment
CHSC52827
Ranunculus orthorhynchus var. orthorhynchus
Kirsten Tarp
1983-7-28
309
Butte
Chico Meadows, ca. 1 mi n of Butte Meadows in ne part of county. In meadow.
1295
Comment
CHSC63268
Ranunculus sardous
Lowell Ahart
1994-6-6
7312
Butte
North of the corral, on the north side of the bend in Cottonwood Road, about 1/4 mile west of Highway 70, about 3 1/2 miles (air) north-west of Oroville.
57
Comment
CAS-BOT-BC59924
Rhamnus ilicifolia
Lowell Ahart
1981-7-7
2917
Butte
Hurleton Swedes Flat Road. Near Road to Oak Grove Cemetery, ca. town.
600
Comment
JEPS115273
Rhamnus ilicifolia
Lowell Ahart
2009-6-30
15963
Butte
South of a small drainage, along Guardian Rock Trail, about 5/8 mile (air) southwest of the intersection of Ten Mile House Road and Highway 32, Upper Bidwell Park, about 10 miles northeast of Chico
386
Comment
UC600524
Rhamnus rubra
H. F. Copeland
1931-6-10
Butte
crest between Willow Creek and Colby Creek
Comment
CHSC20002
Rhamnus tomentella subsp. tomentella
M. S. Taylor
1975-1-16
373
Butte
Ca. 1/4 mi w of Pentz-Magalia Hwy, ca. 5 mi s of Paradise, in vicinity of Lime Saddle Reservoir.
Comment
JEPS115608
Rhamnus tomentella subsp. tomentella
Lowell Ahart
2009-5-23
15724
Butte
On the south side of Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico
311
Comment
RSA518945
Rhamnus tomentella subsp. tomentella
J. T. Howell
1975-6-15
51073
Butte
Butte Creek near Chico
6
Comment
RSA754543
Rhamnus tomentella subsp. tomentella
L. Ahart
2009-5-23
15724
Butte
S side of Ten Mile House Road, Upper Bidwell Park, about 1/2 air mile SW of the intersection of Highway 32 and Ten Mile House Road, about 10 miles NE of Chico.
311
Comment
CHSC79727
Rhododendron occidentale
G. F. Hrusa; T. D. Wilfred
1997-5-8
13745
Butte
Northern California, Sierra Nevada. Above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive. [Lat./Long. on label is '39 51 N; 121 34 W'].
740
Comment
CHSC103705
Rhus aromatica
Lowell Ahart
2010-5-14
16674
Butte
On the south side of the Guardian Trail, about 1/4 mile west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
301
Comment
CHSC44063
Rhynchospora californica
L. P. Janeway
1988-6-14
2761
Butte
NW side of cyn of Little Chico Cr ca 2 air mi S of Ten Mile House.
259
Comment
UC1594576
Rhynchospora capitellata
Lowell Ahart
1992-8-2
6901
Butte
about 3 (air) mi ne Concow Reservoir (w side of meadow); Concow Meadow
1097
Comment
UC217234
Ribes
H. M. Hall
1917-5-11
10294
Butte
Keefer Mill Keefer Ridge
731
Comment
SFV10395
Ribes amarum
M. L. Vincent
1965-4-14
613
Butte
Sierra Nevada Skyway, 1.5 miles north of Magalia.
760
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
CHSC11904
Ribes roezlii
E. B. Copeland
1931-5-9
648
Butte
Jonesville.
1500
Comment
SFV10389
Ribes roezlii
M. L. Vincent
1964-4-10
559
Butte
Highway 32, 10 miles northeast of Chico.
520
Comment
CAS-BOT-BC198957
Ribes roezlii var. roezlii
H. F. Copeland
1929-6-11
1237
Butte
Jonesville
1524
Comment
CAS-BOT-BC74461
Rorippa curvisiliqua
Lowell Ahart
1985-4-21
4878
Butte
Along the sides of Wyandotte Creek south of Central House Road, northwest of Honcut, about 12 miles south of Oroville.
35
Comment
CAS-BOT-BC74460
Rorippa curvisiliqua
Lowell Ahart
1982-9-13
3814
Butte
Near Pinkard Creek, about 1/8 mile north of the Lost Creek Reservori Dam, about 2 and 1/8 miles NW of Strawberry Valley.
1100
Comment
CHSC21145
Rorippa curvisiliqua var. orientalis
M. S. Taylor
1975-4-26
533
Butte
On e side of Kunkle Reservoir, ca. 500 yds e of Pentz-Magalia Hwy, ca. 1 mi s of Paradise.
Comment
CHSC42947
Rorippa palustris var. fernaldiana
Lowell Ahart
1987-7-3
5779
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC66083
Rosa californica
Vernon H. Oswald
1996-5-22
7628
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Between the farm road and the slough at the SE corner of the Riparian Sanctuary.
28
Comment
CHSC109630
Rosa multiflora
Lowell Ahart
2012-5-14
18060
Butte
North side of Big Chico Creek, just east of the bridge across Big Chico Creek, Manzanita Avenue, Middle Bidwell Park, Chico.
79
Comment
SEINET4856098
Rosa pisocarpa subsp. ahartii
Unknown
2007-6-23
19074
Butte
Black Bart Road 1.3 miles from lower junction with Forbestown Road, ca 10 air miles ESE of Oroville.
655
Comment
CAS-BOT-BC274227
Rostraria cristata
Lowell Ahart
1982-4-29
3386
Butte
Near the sign in station, Gray Lodge, about 12 miles south-west of Gridley
35
Comment
CHSC54868
Rotala ramosior
Vernon Oswald; Lowell Ahart
1991-8-28
4849
Butte
Rice Experiment Station on the south side of Hwy 162, ca. 3.5 miles north-northwest of Biggs.
30
Comment
UCD166766
Rubus armeniacus
Marcel Rejmanek
2016-10-6
2161 b
Butte
By Highway 99, ca 200 m south from the intersection with the West Hamilton Rd.
Comment
CHSC78266
Rubus laciniatus
Lowell Ahart
2000-7-11
8574
Butte
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
CHSC46054
Rubus parviflorus
L. P. Janeway
1987-5-28
2110
Butte
Creek bed crossing side rd (23N12Y) 0.3 mi from Four Trees Rd and 1.6 mi W of OroQuincy Hwy.
1478
Comment
RSA699538
Rubus pensilvanicus
R. D. Fischer
2004-4-18
171
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the E-side addition along Hwy 32. Located on sandy soil, W side Big Chico Creek near beginning of Yahi Trail.
91
Comment
CHSC24685
Rubus ursinus
D. Hattem
1976-4-10
10
Butte
Ca. 20 m ne of Chico Creek, ca. 10.2 mi ne of Chico.
304
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
JEPS115188
Rumex acetosella
Lowell Ahart
2009-6-19
15940
Butte
On dry soil, open area north of a pond and table, about 50 yards south 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
UC1562377
Rumex acetosella
Lowell Ahart
1990-5-25
6497
Butte
1.25 mi nw Enterprise Bridge (across Lake Oroville) (0.25 mi w of Enterprise Boat Launch Area, just below the high water line of Lake Oroville); Lake Oroville
274
Comment
CHSC102999
Rumex conglomeratus
Lowell Ahart
2009-6-3
15820
Butte
Drainage below dam, 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
CHSC25289
Rumex obtusifolius subsp. agrestis
M. S. Taylor
1977-7-15
1420
Butte
Scattered along w branch of Feather River, ca. 1 mi n of Magalia, ca. 1 mi e of the Skyway.
677
Comment
UCD150347
Rumex persicarioides
Harry A. George
1971-7-17
s.n.
Butte
Gray Lodge Wildlife Management Area, Field 14.
Comment
SEINET10904513
Rumex pulcher
Mary Susan Taylor
1977-7-15
Taylor 1420
Butte
Along West Branch of the Feather River, ca. 1 mi E of the Skyway, ca. 1 mi N of Magalia. Riparian Woodland.
678
Comment
CHSC58271
Rumex salicifolius var. triangulivalvis
Lowell Ahart
1992-5-9
6768
Butte
On the bottom of a small stream, east of Cherokee Road, Lake Oroville Recreation Area, about 2 (air) miles north of Oroville.
91
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
CHSC26723
Sagina apetala
M. S. Taylor; M. Hayes
1978-4-14
1563
Butte
On e side of Williams Rd, ca. 1/4 mi n of Pentz Rd, on Butte College campus, ca. 15 mi s of Chico.
30
Comment
CHSC45581
Sagina decumbens subsp. occidentalis
Lowell Ahart
1980-5-4
2216
Butte
About 150 feet south-west of the intersection of Forbestown Road and Hurleton swedes Flat Road, about 1/2 mile south-east of Hurleton.
548
Comment
JEPS122065
Sagina decumbens subsp. occidentalis
Lowell Ahart
2014-5-21
19530
Butte
South bank of river, where Sucker Creek flows into the South Fork of the Feather River, below the high water line of Lake Oroville, about 1/4 mile west of the Ponderosa Dam.
Comment
CHSC48262
Sagina saginoides
Vernon Oswald
1984-5-23
1199
Butte
Near the falls on Bear Ranch Creek s-e of Calif. Hwy 70 at the Cresta Rest Area.
512
Comment
CAS-BOT-BC445664
Sagittaria cuneata
E. B. Copeland
1930-7-29
405
Butte
Above Jonesville
1700
Comment
RSA69605
Sagittaria latifolia
F. W. Peirson
1926-6-20
6759
Butte
Banks of Sacramento River, 5 miles west of Chico.
Comment
JEPS102545
Salix babylonica
Vernon H. Oswald
2001-4-4
9994
Butte
Palm Ave entrance to the Oroville Wildlife Area.
27
Comment
SD933
Salix boothii
E. B. Copeland
1931-6-11
623
Butte
Jonesville, Kirby's Meadow
1750
Comment
UC600408
Salix boothii
E. B. Copeland
1931-6-11
Butte
at outlet Kirby Meadow; Jonesville
1800
Comment
CAS-BOT-BC107963
Salix geyeriana
H. F. Copeland
1931-6-11
1546
Butte
Kirby Meadows, Jonesville
1828
Comment
CAS-BOT-BC107830
Salix gooddingii
A. A. Heller
1914-4-6
11262
Butte
Chico-Oroville Road 12 miles from Chico on the banks of Dry Creek
Comment
RSA795646
Salix gooddingii
L. Ahart
2012-4-20
17892
Butte
20 yards north of the table at the old homestead, about 50 yards southeast of the intersection of South Rim Trail and Ten Mile House Road, about 5/8 miles west of Highway 32, about 9 air miles northeast of Chico.
259
Comment
UC1192302
Salix gooddingii
Herbert L. Mason and Verne Grant
1946-8-8
12996
Butte
Sanford Slough on Tule Gun Club; Butte Sink
Comment
CHSC50842
Salix jepsonii
Vernon Oswald; Lowell Ahart
1990-7-19
4375
Butte
Ca. 3 mi east of Philbrook Reservoir, ca. 0.4 mi west of the Plumas County line.
1950
Comment
CHSC65011
Salix laevigata
Vernon Oswald
1987-3-26
2298
Butte
Butte Creek Reserve on the e side of the Skyway and n side of Butte Creek.
73
Comment
UC203647
Salix laevigata
A. A. Heller
1914-3-21
11222
Butte
8 mi n Oroville
Comment
CAS-BOT-BC125177
Salix lasiandra var. lasiandra
E. B. Copeland
1931-6-10
619
Butte
Jonesville
1500
Comment
RSA754372
Salix lasiolepis var. lasiolepis
L. Ahart
2009-7-9
16016
Butte
E side of Big Chico Creek, about 50 yards W of Ten Mile House Road, Upper Bidwell park, about 3/4 mile (air) W of Highway 32, about 10 miles NE of Chico.
204
Comment
SD130407
Salix lemmonii
John Thomas Howell
1967-5-9
42240
Butte
Canyonside on northwest side of Feather River near Pulga Bridge
Comment
SEINET177031
Salix lemmonii
E. B. Copeland
1931-8-1
620
Butte
Jonesville.
1700
Comment
SD931
Salix ligulifolia
E. B. Copeland
1931-6-9
621
Butte
Jonesville, in meadow near the head of North Willow Creek
1550
Comment
CAS-BOT-BC129506
Salix melanopsis
C. C., Mrs. Bruce
1897-6-1
1806
Butte
Gen. Bidwell's
Comment
CHSC34210
Salix melanopsis
J. D. Jokerst; L. Ahart
1981-9-26
1480
Butte
5 mi W of Chico at Bidwell River State Park (Chico Landing).
Comment
UC446420
Salix scouleriana
E. B. Copeland
1931-6-10
Butte
in pockets on ridge Jonesville
1600
Comment
CHSC4518
Sambucus
C. Glascock
1965-4-28
365
Butte
On nw side of Little Chico Creek at corner of Arcadian and Sowilleno Sts., Chico.
Comment
CHSC48020
Sambucus mexicana
Vernon Oswald
1987-7-13
3113
Butte
Forest Service road ca. 0.75 mi (air) E of Summit Lake, ca. 1.5 mi (air) NE of Snow Mt, ca. 4.5 mi (air) SE of Jonesville.
1828
Comment
HSC66267
Sanicula bipinnata
M. S. Taylor
1980-3-1
2324
Butte
W end of county dump on N side of Neal Rd., about 1 mi. E of Hwy. 99, about 7 mi. S of Chico
76
Comment
POM133572
Sanicula bipinnatifida
A. A. Heller, H. E. Brown
1902-5-12
5539
Butte
Grade between Clear Creek and Paradise.
Comment
UC1006698
Sanicula crassicaulis
C. Ritchie Bell
1952-4-19
3 X419
Butte
3.8 mi ne of Berry Creek (in (an old home site))
Comment
UC600514
Sanicula graveolens
E. B. Copeland
1931-7-12
Butte
ridge between Jones and Willow Creeks Jonesville
1700
Comment
CHSC32624
Sanicula tuberosa
M. S. Taylor
1981-3-31
3463
Butte
S side of Concow Rd, ca. 1/2 mi s of its jct with Ponderosa Way, ca. 20 air mi n of Oroville.
853
Comment
POM219371
Sanicula tuberosa
H. F. Copeland
1931-6-9
1524
Butte
Near Jones Creek
Comment
CDA4889
Sapium sebiferum
G. Blosser
2003-10-23
Butte
Northern Sierra Nevada Foothills; Between Bidwell Canyon Drive and Lake Oroville, 440 feet south of Arroyo Drive and 2200 feet south-southwest of Bidwell Canyon Campground.
Comment
JEPS115365
Saponaria officinalis
Lowell Ahart
2009-7-9
16018
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
UC436291
Sarcodes sanguinea
E. B. Copeland
Jul 1930
Butte
Jonesville
1550
Comment
SEINET10838425
Saxifraga californica
Mary Susan Taylor
1980-4-18
Taylor 2517
Butte
W side of Humbug Road, ca. 1 mi S of Nimshew. With J.D. Jokerst.
610
Comment
SEINET10483048
Saxifraga oregana
Mary Susan Taylor
1977-7-15
Taylor 1405
Butte
Butte Meadows, ca. 20 mi NE of Chico off Hwy 32.
1326
Comment
CHSC3285
Scandix pecten-veneris
M. L. Hillier
1966-5-7
Butte
About 3 miles n.e. of Skyway on Humbug rd.
Comment
SEINET10873903
Scandix pecten-veneris
Mary Susan Taylor
1980-4-6
Taylor 2461
Butte
T18N R5E c sec 22. On W side of La Porte Road, ca. 2 mi N of Bangor, in Foothill Woodland. With L. Ahart & J.D. Jokerst.
335
Comment
CHSC38912
Schoenoplectus acutus var. occidentalis
Vernon Oswald
1983-5-23
540
Butte
Upper Bidwell Park, Chico, between the turn-around at the end of Upper Park Rd. and the east boundary of the park.
207
Comment
CHSC4413
Schoenoplectus acutus var. occidentalis
J. Francis
1966-5-18
Butte
On perimeter of pond n of golf course, Bidwell Park. Chico.
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
CHSC24430
Schoenoplectus mucronatus
Lowell Ahart
1976-9-18
Butte
Rice fields on the Peter Ahart Ranch, Honcut.
45
Comment
CHSC113382
Scirpus congdonii
Lowell Ahart
2014-7-2
19542
Butte
On the north side of the County Road, about one mile west of the intersection of County Road and Lumpkin Road, about 7 miles northeast of Feather Falls.
1260
Comment
SD449
Scirpus congdonii
E. B. Copeland
1929-2-19
Butte
In sunny bog surrounded by Pinus murrayana, Jonesville.
Comment
CHSC56808
Scirpus diffusus
L. P. Janeway
1987-6-8
2177
Butte
8.3 mi south of Bald Mountain via dirt road.
777
Comment
CHSC38914
Scirpus microcarpus
Vernon Oswald
1983-5-27
570
Butte
Upper Bidwell Park, Chico, at the base of the retaining wall along Chico Creek at the e end of Centennial Ave.
85
Comment
JEPS87190
Scirpus mucronatus
Lowell Ahart
1992-5-23
6773
Butte
about 2 mi w Biggs (on the n side of Biggs Princeton Road); w of Biggs
30
Comment
SEINET11268263
Scirpus setaceus
Lowell Ahart
2000-7-11
8563
Butte
About 200 yards southeast of Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 6 1/2 miles (air) northeast of Feather Falls.; 0
1280
Comment
CHSC33234
Sclerolinon digynum
R. A. Schlising; D. Ikeda, R. Banchero
1980-6-26
3785
Butte
Meadow 0.1 mi s of Butte Meadows junct of Skyway and Humboldt Road.
1341
Comment
CHSC40295
Scribneria bolanderi
Ahart; Jokerst
1985-5-10
4959
Butte
In the road gutter, along the dirt road 1/2 mile east of Potter Ravine, south of the east branch of Potter Ravine, about 2 1/2 miles north-east of Oroville Dam.
320
Comment
CHSC27791
Scrophularia californica subsp. floribunda
Steven R. Johnson
1978-4-25
15
Butte
Ca. 22 km n of Chico, ca. 4.8 km s of Cohasset.
590
Comment
CHSC42832
Scutellaria californica
L. P. Janeway
1987-5-20
2074
Butte
Along hwy 70 1.7 mi NE of Pulga bridge; N Fk Feather River at Poe Dam.
472
Comment
CHSC42834
Scutellaria siphocampyloides
L. P. Janeway
1987-5-20
2069
Butte
Turnout and overgrown seep area on east side of hwy 70 just S of the 'rockhouse' and 0.5 mi S of Jarbo Gap.
670
Comment
CHSC74681
Scutellaria siphocampyloides
Mary Bailey
1990-5-5
Butte
North side of Nance Canyon.
152
Comment
CAS-BOT-BC240054
Secale cereale
Lowell Ahart
1987-5-6
5571
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
271
Comment
CHSC42518
Secale cereale
Lowell Ahart
1987-5-6
5571
Butte
On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
HSC43124
Sedella congdonii
Maralyn O'Meara
1974-4-20
277
Butte
Along Pentz Rd. 300 yds. S of the intersection with Clark Rd.
76
Comment
CHSC30973
Sedella pumila
Joann Lacey
1979-4-13
19
Butte
Ca. 1.1 mi ne of jct of Humboldt rd. and Stilson Canyon Rd. Ca. 3.9 mi ne of Chico.
129
Comment
RSA20868
Sedella pumila
C. B. Wolf
1937-3-29
8329
Butte
Sacramento Valley, 1/2 mile SE of Butte Creek on Chico-Oroville Rd.
58
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
CHSC24884
Sedum spathulifolium
V. L. Keeran
1976-4-20
10
Butte
Ca. 4 m e of Butte Creek and 0.41 km s of Covered Bridge, 10.66 km ese of Chico.
127
Comment
CHSC3520
Sedum spathulifolium
John Francis
1966-4-16
116
Butte
S. of covered bridge (Honey Run).
Comment
UC1410123
Sedum spathulifolium
H. M. Wheeler
1954-3-12
Butte
ne Oroville (Feather Falls on the Fall River); , ne of Oroville
571
Comment
CAS-BOT-BC62117
Selaginella hansenii
Lowell Ahart
1961-3-3
s.n.
Butte
Salmon Hole, Chico
91
Comment
CHSC8629
Selaginella hansenii
L. V. Ritter
1969-3-14
75
Butte
Ca 200 yds. E of e boundary of Upper Bidwell Park, 25 yds. n of Chico Creek.
Comment
HSC85728
Selaginella hansenii
L. P. Janeway
1984-10-19
1183
Butte
Above the Oro-Quincy Hwy., along E side of Lake Oroville (Feather River)
335
Comment
UC306790
Selaginella hansenii
Mrs. R. M. Austin
May 1883
321
Butte
e Chico
Comment
UC1714611
Selaginella wallacei
M. S. Taylor
1980-5-27
2666
Butte
ca. 3 mi. e. Lake Madrone (on Big Bald Rock); Big Bend Quad., Big Bald Rock
997
Comment
UC1184119
Senecio aronicoides
E. B. Copeland
1929-7-14
Butte
Jonesville
1600
Comment
RSA0012439
Senecio aronicoides
H. F. Copeland
1929-6-9
1254
Butte
Jonesville.
1524
Comment
SBBG32387
Senecio eurycephalus
L. S. Rose
1967-6-11
Butte
3 mi S of Pulga, Feather River Cyn
Comment
CHSC86444
Senecio eurycephalus var. lewisrosei
Jenny Marr
1993-7-1
96
Butte
Located in Northern Sierra Nevada, between Concow and Pulga, on a serpentine outcrop belonging to LNF. Site approx. 4 air miles NE of Concow Reservoir.
1105
Comment
RSA95495
Senecio eurycephalus var. lewisrosei
L. S. Rose
1954-5-31
s.n.
Butte
Feather River canyon, near Pulga
396
Comment
CAS-BOT-BC5710
Senecio lewisrosei
Lewis Samuel Rose
1939-6-7
39247
Butte
North Fork of the Feather River, 3 mi S of Pulga
609
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
UCD146245
Senecio sylvaticus
Daniel S. Park; D. Potter, J. J. Petersen
2010-4-10
14
Butte
Table Mt. near creek.
335
Comment
UCD135758
Senecio sylvaticus
Robert E. Preston
1988-5-4
590
Butte
6 miles north of Oroville, on Table Mountain.
396
Comment
CHSC71634
Senecio triangularis
Vernon H. Oswald; Lowell Ahart
1998-8-11
9464
Butte
USFS 28N35 at a branch of Wildcat Creek ca. 1 mi north of Four Trees-Coyote Gap Rd. Along the edge of the creek.
1396
Comment
JEPS117292
Senecio triangularis
Lowell Ahart
2010-9-21
17206
Butte
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 Philbrook Reservoir
1917
Comment
POM219171
Senecio triangularis
H. F. Copeland
1928-8-17
251
Butte
Jonesville.
Comment
CHSC78125
Senecio vulgaris
Lowell Ahart
2000-6-5
8449
Butte
On the bottom of a large wash, about 100 yards west of the road crossing, Peter Ahart Ranch, about 1 3/4 miles north and 1 1/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
36
Comment
SEINET10839272
Senecio vulgaris
Lowell Ahart, James D. Jokerst
1985-3-24
Ahart 4867
Butte
West of Lunt Road, about 1/2 mile north of the inter- section of Lunt Road and Highway 70, north of Yankee Hill.
Comment
CAS-BOT-BC364728
Sericocarpus oregonensis subsp. californicus
Lowell Ahart
1985-8-15
5165
Butte
East of the road to the Forbestown Res., about 2 1/2 miles north-east of Forbestown
883
Comment
CDA4260
Sesbania punicea
L. Ahart
2000-8-23
8660
Butte
About 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville.
Comment
CHSC43289
Setaria gracilis
Lowell Ahart
1987-9-24
5899
Butte
On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CAS-BOT-BC240118
Setaria pumila
Lowell Ahart
1974-11-9
s.n.
Butte
Peter Ahart Ranch, Honcut
45
Comment
CHSC97725
Setaria sphacelata
Lowell Ahart
2007-11-3
14563
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
RSA724995
Setaria viridis
L. Ahart
2006-9-11
13309
Butte
South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville.
432
Comment
UCD92849
Setaria viridis
L. E. Hazeltine
1916-7-3
s.n.
Butte
Chico.
Comment
CHSC101804
Sherardia arvensis
Lowell Ahart
2009-6-12
15850
Butte
At Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove, Lower Bidwell Park, Chico.
67
Comment
CHSC61012
Sherardia arvensis
Lowell Ahart
1993-6-20
6986
Butte
Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west of the Lost Creek Reservoir Dam.
1158
Comment
JEPS127082
Sherardia arvensis
Lowell Ahart
2016-4-15
20751
Butte
About 1/2 mile southwest of Dutch Ravine, about 8 miles (air) southeast of Oroville.
Comment
RSA325096
Sherardia arvensis
M. S. Taylor
1981-5-1
3585
Butte
E side of Hwy 70. Ca 4 air miles NW of Oroville.
91
Comment
JEPS102345
Sibara virginica
Lowell Ahart
2001-4-27
8733
Butte
1 3/4 mi W of Honcut (just NW of bridge across Wyandotte Creek, N of Lower Honcut Road, 125 yds W of the railroad)
26
Comment
SEINET7073626
Sidalcea asprella
A. G. Vestal
1955-5-21
s.n.
Butte
About 5.8 miles east of Oroville on the Olive Highway. UTM Zone 10, 631906mE, 4373738mN. Coordinate datum: NAD27.
Comment
CHSC24146
Sidalcea calycosa
B. Bunge
1976-4-12
9
Butte
Growing 25 yd. nw of intersection of Notre Dame Blvd. and Skyway, Chico.
67
Comment
JEPS118038
Sidalcea diploscypha
Lowell Ahart
2011-5-27
17357
Butte
On damp brown to black clay soil, about 150 yards west of the west edge (dredged area) of North Honcut Creek, about 2 1/2 north and 2 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville
65
Comment
SD3021
Sidalcea glaucescens
E. B. Copeland
1930-7-21
Butte
Jonesville.
1550
Comment
CHSC44086
Sidalcea hartwegii
John E. Hunter
1986-3-28
36
Butte
9.6 mi. e of Hwy. 99 and .1 mi. n Hwy. 32.
Comment
UC204919
Sidalcea hartwegii
A. A. Heller
1914-4-16
11298
Butte
2 mi from Chico; 2 mi from Chico
Comment
CHSC31759
Sidalcea hirsuta
L. Ahart
1978-5-15
1723
Butte
Peter Ahart Ranch, Honcut.
50
Comment
RSA739637
Sidalcea malviflora subsp. celata
B. Castro, David Toren
2005-7-21
1520
Butte
9 air miles NE of Paradise, 2.5 miles NE of Flea Mtn, at the crossing of Lockerman Creek by USFS road 24N13.
951
Comment Read comments Aug 6 2019
CHSC27703
Sidalcea robusta
Robert A. Schlising
1978-5-29
3282
Butte
Bidwell Park, Chico; on slopes north and east of golf course and old rifle range, near end of paved road.
Comment
CAS-BOT-BC384465
Silene antirrhina
Lowell Ahart
1988-5-30
6027
Butte
Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
271
Comment
UCR179390
Silene californica
Ann C. Myers
1976-4-25
42
Butte
20 miles north of Oroville County Road B-1 on Fether Falls Trail, 1.5 miles from trailhead
610
Comment
SEINET10537656
Silene californica
Lowell Ahart, Peter Ahart
1983-7-29
Ahart 4253
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
CAS-BOT-BC387069
Silene gallica
Lowell Ahart
1988-5-12
5988
Butte
about .25 mile NE of the Honcut Cemetery, Joie Osgood Ranch, about 3.5 miles E and 1.5 miles N of Honcut
60
Comment
SEINET10537534
Silene gallica
Mary Susan Taylor
1977-6-25
Taylor 1389
Butte
Foothill Woodland-Yellow Pine Forest transition zone, on Ponderosa Way betwe en Cohasset and Forest Ranch.
610
Comment
CAS-BOT-BC389015
Silene laciniata subsp. californica
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CHSC39296
Silene laciniata subsp. californica
Lowell Ahart
1983-7-29
4253
Butte
Found along the edge of the dirt road, about 2 miles east of Milsap Bar, about 25 miles north-east of Oroville.
900
Comment
CAS-BOT-BC389292
Silene lemmonii
H. F. Copeland
1920-8-2
196
Butte
Jonesville
1219
Comment
CHSC20428
Silene lemmonii
1974-5-8
Butte
Feather River Canyon.
Comment
SEINET11931357
Silene lemmonii
Unknown
1977-1
14
Butte
3 km SW of Butte-Plumas co. line, 22 km NW of Paradise
490
Comment
SEINET3861585
Silene occidentalis subsp. longistipitata
E. B. Copeland
1930-7-28
635
Butte
Jonesville.; 0
1550
Comment
UC600620
Silene occidentalis subsp. longistipitata
H. F. Copeland
1924-8-11
880
Butte
Jonesville
Comment
CHSC101807
Silybum marianum
Lowell Ahart
2009-6-12
15847
Butte
5 yards west of Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove, Lower Bidwell Park, Chico.
67
Comment
CHSC3911
Silybum marianum
J. Wheeler
1967-5-20
31
Butte
In vacant lot immediately w of 248 Servis St. Durham.
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
CDA3903
Sinapis alba
L. Ahart
2001-4-15
8723
Butte
On the north side of the dirt road east of the large pump, on the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) southwest of Gridley.
Comment
CHSC4649
Sinapis arvensis
R. Carter
1966-4-2
323
Butte
Found ca. 7 mi. E of Oroville e at 6120 Woodleaf St. Rt.; 300 yds. off Feathervale, behind house, in pasture.
243
Comment
CHSC481
Sinapis arvensis
M. Goin
1933-3-17
Butte
Field near Chico.
57
Comment
CAS-BOT-BC135400
Sisyrinchium
Mrs. J. H. Morrison
1932-5-1
s.n.
Butte
Durham
Comment
SEINET10507628
Sitanion hystrix
Lowell Ahart
1985-6-30
Ahart 5091
Butte
About 2 1/2 miles north-east of Forbestown. Alt. 2850 ft.
868
Comment
CDA42899
Solanum americanum
L. Ahart
2012-6-14
18185
Butte
On the south side of the path, south of CARD Community Center, Lower Bidwell Park, Chico.
Comment
CHSC40897
Solanum americanum
Lowell Ahart
1985-11-5
5225
Butte
About 90 feet below the high water line of Lake Oroville, about 1/2 mile west of the Ponderosa Dam, near where Sucker Creek flows into the South Fork of the F eather River.
274
Comment
JEPS119911
Solanum americanum
Lowell Ahart
2012-10-20
18514
Butte
On the north side of Big Chico Creek, south of Table 34, west of Cedar Grove, Lower Bidwell Park, Chico.
Comment
CDA18814
Solanum elaeagnifolium
K. Ewing
1999-8-31
PDR 1174282
Butte
Corner of Centennial and Manzanita Ave., Chico.
0
Comment
CHSC1940
Solanum parishii
V. Holt
1935-4-5
Butte
Honey Run grade.
365
Comment
SEINET12318607
Solanum parishii
Unknown
1978-1
2
Butte
West Branch Feather River
280
Comment
CHSC94184
Solanum physalifolium var. nitidibaccatum
Lowell Ahart
2006-7-4
12910
Butte
Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
30
Comment
CHSC76346
Solanum rostratum
Paul Maslin
1999-7-7
Butte
Campus of California State University, Chico; between the Continuing Education building and Big Chico Creek. In flower beds.
59
Comment
SEINET10839147
Solidago canadensis subsp. elongata
Mary Susan Taylor
1978-7-21
Taylor 1832
Butte
On N side of Oroville-Quincy Hwy, in open meadow, ca. 1 mi S of Butte-Plumas County line; Yellow Pine Forest.
1341
Comment
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
CHSC28692
Soliva sessilis
M. S. Taylor
1979-5-6
2006
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CAS-BOT-BC365839
Soliva sessilis
Lowell Ahart
1980-5-17
2280
Butte
1/2 mile south-east of Hurleton
600
Comment
CHSC31658
Sonchus tenerrimus
L. Ahart
1974-6-3
474
Butte
In garden. Peter Ahart Ranch, Honcut.
45
Comment
CAS-BOT-BC158895
Sorbus scopulina
Lowell Ahart
1983-8-16
792
Butte
Near a small stream that flows into Butte Creek, about 1 mile east of Butte Meadows
1450
Comment
CHSC100940
Sorbus scopulina var. cascadensis
R. A. Schlising; Sandra Morey
1982-6-7
4290
Butte
Several miles east of the village of Butte Meadows; roadside bank above Butte Creek.
1524
Comment
UCD92884
Sorghum
R. J. Strong
1915-9-1
s.n.
Butte
Oroville.
Comment
CHSC20343
Sorghum halepense
E. Parreno
1968-4-15
52
Butte
Roadside of e 9th st. ca. 100 m. from the Freeway, Chico.
59
Comment
UCR188719
Sorghum halepense
George K. Helmkamp, E. A. Helmkamp
2007-10-7
13070
Butte
Northern Sacramento Valley, East Gridley Road at the west edge of the Feather River bridge
27
Comment
CHSC30779
Spartium junceum
M. S. Taylor; L. Ahart, R. S. Schlising
1980-4-3
2751
Butte
Kunkle Reservoir, e side, ca. 1/4 mi e of Pentz-Magalia Hwy, ca. 2 mi s of Paradise.
441
Comment
CHSC84632
Spartium junceum
Matt Quinn
2001-4-29
49
Butte
Along creeks in the foothills of Butte County. Collected on gravel bar on Butte Creek approximately 1/4 mile downstream of Steel Bridge on Centerville Road.
158
Comment
CHSC98980
Spergula arvensis subsp. arvensis
Lowell Ahart
2008-5-8
14711
Butte
Below the high water line of Lake Oroville, about 100 yards south of the poor parking area, about 50 yards east of McCabe Creek, about 3/4 mile southwest of the Enterprise Bridge, about 11 miles (air) east of Oroville.
259
Comment
CHSC106882
Spergularia bocconi
Lowell Ahart
2011-5-1
17339
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
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
JEPS117229
Spergularia bocconi
Lowell Ahart
2010-5-7
16610
Butte
Area of erosion control, disk golf area, on a ridge about 200 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico
369
Comment
SEINET10537506
Spergularia rubra
Lowell Ahart
1983-8-16
Ahart 4309
Butte
T26N R4E section 32? On dry dark soil in a small mountain meadow, near Bull Hill Rd, ca. 3.5 mi south of Butte Meadows. Yellow Pine Forest; l600 m.
1600
Comment
CHSC113505
Spiraea douglasii
Lowell Ahart
2014-7-16
19686
Butte
Southwest part of a large wet meadow (some bog), about 120 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
CHSC88165
Spiraea douglasii
Lowell Ahart
2004-8-2
11331
Butte
Small bog in a large meadow, about 200 yards east of Keyser Creek, on the north side of the dirt County Road, about 3/4 mile (air) northeast of Oak Point, about 1/2 mile (air) west of Big Kimshew Creek, about 1 3/4 miles southeast of Bald Mountain.
1452
Comment
HSC104002
Spiraea douglasii
L. Ahart
2013-7-1
18813
Butte
About 3.25 mi. (air) SW of Forbestown; ~150 yds, E of the intersection of Forbestown Rd. and Black Bart Rd.
738
Comment
JEPS110088
Spiraea douglasii
Lowell Ahart
2006-8-15
13184
Butte
East part of a large meadow with bogs, 15 yards west of Willow Creek, about 100 yards southeast of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows
1569
Comment
JEPS121975
Spiraea douglasii
Lowell Ahart
2014-7-16
19686
Butte
About 120 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
CHSC44531
Spiranthes porrifolia
Lowell Ahart
1988-5-29
6012
Butte
About 1/10 mile north-east of the old barn, about 1/2 mile north-east of the Honcut Cemetery, Joie Osgood Ranch, about 4 miles north-east of Honcut.
60
Comment
CHSC51948
Spiranthes porrifolia
L. P. Janeway
1988-7-29
3136
Butte
Near W Br Feather River at crossing of rd into Coon Hollow.
1615
Comment
SEINET13948162
Stachys
A. A. Heller
1915-1
11907
Butte
Near Cohasset, near the upper limit of the digger pine in the Sierra foothills
Comment
CHSC111236
Stachys ajugoides var. rigida
B. Castro; L. P. Janeway
2007-8-18
1674
Butte
Northern High Sierra Nevada. Ca 10 road mi E of Quincy, along Squirrel Creek and Road 401, 1.2 mi NE of Hwy 70/89 and Williams Loop (railroad).
1267
Comment
CHSC52069
Stachys ajugoides var. rigida
B. Castro; L. P. Janeway, R. A. Schlising
1988-7-30
283
Butte
Ca 20 ft n of road on sw-facing slope above Coon Hollow.
1926
Comment
JEPS122215
Stebbinsoseris heterocarpa
Lowell Ahart
2014-4-20
19389
Butte
About 30 yards west of a small drainage, about 80 yards southwest of a small falls, about 3/4 mile northwest of the parking area on the west side of Cherokee Road, about 7 miles (air) north of Oroville.
Comment
CHSC61638
Stellaria crispa
Lowell Ahart
1993-9-13
7231
Butte
On banks of Bolt Creek, about 1 mile south-east of Butte Meadows.
1325
Comment
JEPS87171
Stellaria crispa
Lowell Ahart
1992-6-26
6782
Butte
about 0.5 mi nw Merrimac (on the e side of Rogers Cow Camp)
1219
Comment
RSA0041905
Stellaria longipes subsp. longipes
Lyman Benson
1932-7-28
3963
Butte
First summit, Oroville-Quincy. Sierra Nevada Range, Feather River watershed.
1829
Comment
SD8166
Stellaria longipes subsp. longipes
Mrs. R. M. Austin
1883-1
Butte
Comment
CHSC96550
Stellaria media
Lowell Ahart
2007-3-12
13590
Butte
At the information sign, north side of Rutherford Road, 50 yards west of Pennington Road, Gray Lodge Wildlife Area (Gray Lodge Waterfowl Management Area), about 6 miles (air) southwest of Gridley.
21
Comment
CHSC35038
Stellaria nitens
R. Schlising; R. Banchero
1981-5-20
4066
Butte
Lumpkin Ridge in E part of county.
Comment
JEPS87499
Stellaria nitens
Vernon H. Oswald and Lowell Ahart
1993-3-24
5235
Butte
2 mi n Pentz Road (n of historical site of Pentz, e side of Dry Creek Canyon, on the e side of a secondary drainage entering Dry Creek); Dry Creek Canyon
243
Comment
SEINET10537640
Stellaria nitens
Lowell Ahart, James D. Jokerst
1985-3-24
Ahart 4862
Butte
West of Lunt Road, about 1/2 mile north of the inter- section of Lunt Road and Highway 70, north of Yankee Hill.
Comment
UC478522
Stellaria obtusa
E. B. Copeland
1931-7-19
636
Butte
Butte Creek Jonesville (Jonesville)
1500
Comment
CHSC36395
Stephanomeria lactucina
Kirsten Tarp
1981-7-28
46
Butte
Coon Hollow, ca. 26 mi ne of Chico. In meadow.
1706
Comment
UC1609074
Stephanomeria lactucina
Lowell Ahart
1993-6-26
7027
Butte
about 1 mi w Lost Creek Reservoir (w side of dirt road); Mooreville Ridge
1188
Comment
CHSC113959
Stipa stillmanii
Lowell Ahart
2014-7-7
19567
Butte
Along the east side of the Skyway, about one mile south of Inskip.
1449
Comment
HSC103798
Streptanthus
L. Ahart
2006-7-16
12958
Butte
North side of Humboldt Road, ~1.5 mi. air miles SW of Butte Meadows.
1436
Comment
CHSC7047
Streptanthus diversifolius
Darron Cook
1969-4-22
66
Butte
W. side road top Table Mtn. ca. 7 mi n of Oroville.
Comment
JEPS108762
Streptanthus diversifolius
Lowell Ahart
2006-5-3
12555
Butte
Basalt outcrops, about 1/4 mile north of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville
402
Comment
JEPS98478
Streptanthus drepanoides
Lowell Ahart
2000-5-31
8420
Butte
3 mi SE of Paradise (below high water line of Lake Oroville, 400 yds E of where Kunkle Creek enters Lake Oroville, E of Kunkle Power House)
271
Comment
CHSC102019
Streptanthus longisiliquus
Matt Simenc
2009-7-24
Butte
Northern High Sierra Nevada. 1.6 air mi north of Jarbo Gap; 0.3 mi northwest of Rim Road/Ponderosa Way; 1.6 road mi north of Jarbo Gap/Hwy 70. Steep west-facing slope, in 50 ft wide forest clearing under powerlilnes, about 1/3 of the way down the steepest part of the slope.
853
Comment
CAS-BOT-BC87514
Streptanthus tortuosus
A. A. Heller
1938-4-14
15031
Butte
Top of Table Mountain.
304
Comment
CHSC92593
Streptanthus tortuosus var. orbiculatus
L. P. Janeway
2005-5-29
8408
Butte
Northern High Sierra Nevada. Top of south end of Granite Ridge (between Rock Creek and Camp Creek), about 2.3 km south of Kimshew Point. On southeast-facing side of ridge top.
1317
Comment
CHSC81238
Streptanthus tortuosus var. suffrutescens
J. Trizzino
2001-5-2
67
Butte
North Table Mountain.
384
Comment
CHSC93859
Streptanthus tortuosus var. suffrutescens
Lowell Ahart
2006-6-9
12647
Butte
Cutbank, on the west side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga.
403
Comment
CHSC36089
Streptopus amplexifolius var. americanus
R. A. Schlising; K. Tarp, D. Burk
1982-6-27
4306
Butte
SE part of county S of Lost Creek Res. At crossing of Strawberry Valley Creek.
1097
Comment
UC877968
Styrax officinalis var. redivivus
A. A. Heller
1915-5-25
11891
Butte
ridge above Enterprise; Sierra Nevada
609
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
CHSC34776
Suaeda calceoliformis
L. Ahart
1981-11-6
3227
Butte
On banks of small ditch, w of parking area, e of Graylodge Waterfowl Mgmt HQ, ca. 1/2 mi w of Pennington Rd, ca. 12 mi sw of Gridley.
35
Comment
CAS-BOT-BC99045
Symphyotrichum cusickii
A. A. Heller
1914-8-7
11655
Butte
Butte Meadows
1219
Comment
CHSC34103
Symphyotrichum subulatum var. parviflorum
Lowell Ahart
1981-9-10
3150
Butte
Along edge of a ditch near the entrance to the Graylodge Waterfowl Mgmt HQ, W of Pennington Rd, ca 12 mi SW of Gridley.
35
Comment
CAS-BOT-BC221939
Taeniatherum caput-medusae
Lowell Ahart
1977-6-2
1504
Butte
Peter Ahart Ranch, Honcut
50
Comment
CAS-BOT-BC376773
Tanacetum parthenium
Lowell Ahart
1985-7-9
5109
Butte
Along Ponderosa Way, about 1/2 mile south of the Ponderosa Dam across the South Fork of the Feather River, about 3 1/2 miles north-west of Forbestown
457
Comment
CHSC111125
Taraxacum erythrospermum
Lowell Ahart
2012-5-14
18044
Butte
Along the edges of the paved road, between Tables 7 and 8, northeast of Cedar Grove, Lower Bidwell Park, Chico.
70
Comment
CHSC38750
Tauschia hartwegii
Vernon Oswald
1983-3-6
126
Butte
Upper Bidwell Park, Chico, on the north rim ca. 0.5 mi e of the power lines.
274
Comment
SEINET10483064
Tellima grandiflora
Mary Susan Taylor
1981-4-28
Taylor 3569
Butte
T23N R5E sw sec 32 to T22N R5E ne sec 5 Pulga SW quad. Along Four Trees Rd, ca. 0.5 to 1 mi E of Hwy 70, ca. 2-3 mi NE of Pulga. Yellow Pine Forest; 2200-2400 ft.
670
Comment
CHSC27970
Thalictrum fendleri
M. S. Taylor
1978-7-19
1758
Butte
On w side of Upper Scotts John Rd, ca. 3 1/2 mi n of its jct with Scotts John Rd, ca. 7 mi ne of Jonesville.
1889
Comment
JEPS119990
Thalictrum fendleri var. polycarpum
Lowell Ahart
2012-4-30
17946
Butte
On the south side of the path, near sign, southwest of the intersection of Vallombrosa Avenue and Manzanita Avenue, Lower Bidwell Park, Chico.
Comment
CAS-BOT-BC88203
Thysanocarpus curvipes
A. A. Heller
1915-4-20
11855
Butte
Chico-Centers road 3 miles from Chico.
Comment
CAS-BOT-BC88232
Thysanocarpus curvipes
James Jokerst
1985-3-24
2170
Butte
Near Serpentine Point.
547
Comment
CAS-BOT-BC88208
Thysanocarpus curvipes
A. A. Heller
1938-4-17
15039
Butte
Salmon Hole, Chico Creek.
Comment
HSC27263
Thysanocarpus curvipes
J. P. Smith
1972-3-23
5094
Butte
1.6 mi. from junction with Hwy. 99 on road to Paradise
Comment
CHSC100975
Thysanocarpus curvipes var. curvipes
L. P. Janeway
2008-3-18
9233
Butte
Cascade Range Foothills. East edge of City of Chico; south side of Humboldt Road 1.3 km northeast of Bruce Road.
123
Comment
CHSC38428
Thysanocarpus curvipes var. elegans
Vernon Oswald
1983-2-23
95
Butte
Upper Bidwell Park, Chico, along Yahi Trail 400 ft w of Salmon Hole Parking Area.
146
Comment
CAS-BOT-BC67299
Thysanocarpus radians
A. A. Heller
1928-3-12
14481
Butte
Near the Hooker Oak east of Chico.
Comment
CHSC103659
Thysanocarpus radians
Lowell Ahart
2010-3-31
16572
Butte
Open pasture field, about 1 1/2 miles north and 2 1/2 miles east of Honcut, about 12 miles southeast of Oroville.
66
Comment
CHSC42225
Thysanocarpus radians
Curtis Williges
1986-4-1
6
Butte
Ca. 7 mi n of Oroville, w side of Cherokee-Table Mtn. Rd.
411
Comment
UCD116037
Thysanocarpus radians
L. Ahart
1975-3-26
719
Butte
Peter Ahart Ranch, Honcut.
45
Comment
HSC43090
Thysanocarpus radians
Maralyn O'Meara
1974-4-20
288
Butte
Cherokee-Table Mtn. Rd.
305
Comment
SEINET10479950
Tilia americana
Mary Susan Taylor
1975-5-6
Taylor 553
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
JEPS57365
Torilis arvensis
L. R. Heckard
1968-5-30
1924
Butte
along Oroville-Bangor road 2 mi s Naranja
182
Comment
CHSC116727
Torilis arvensis subsp. purpurea
Lowell Ahart
2016-5-24
20851
Butte
West side of large drainage, 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
CHSC117435
Torilis arvensis subsp. purpurea
Lowell Ahart
2016-5-30
20894
Butte
On the sduth side of a deep wash, west of Little Pump, Peter Ahart Ranch, about 2 1/2 miles north and 1/4 mile east of Honcut, about 12 miles (air) south of Oroville.
30
Comment
CHSC11072
Torilis nodosa
Lowell Ahart
1969-5-14
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC66066
Torilis nodosa
Vernon H. Oswald
1996-5-9
7549
Butte
Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento Valley.
32
Comment
JEPS103298
Torilis nodosa
Lowell Ahart
2002-5-7
9608
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
CHSC46692
Torreyochloa pallida var. pauciflora
V. Oswald; L. Ahart
1989-8-15
3940
Butte
Soda Ridge Rd, 1.4 mi w of its junction with Coon Hollow Rd, ca. 1.2 mi (air) n of Philbrook Reservoir. On the edge of a snow lake located over a low ridge just n of the marshy, spring-fed lake visible from the road.
1752
Comment
RSA700276
Torreyochloa pallida var. pauciflora
L. Ahart
2004-8-2
11329
Butte
About 200 yards east of Keyser Creek, on the north side of the dirt county road, about 3/4 mile (air) NE of Oak Point, about 1/2 mile (air) west of Big Kimshew Creek, about 1.75 miles SE of Bald Mountain.
1453
Comment
CHSC41126
Toxicoscordion fremontii
F. Jay Fuller
1983-3-17
104
Butte
50 yards south of Munjar Road, 1 mile east of Meridian Road, 8 miles northwest of Chico.
76
Comment
CHSC2328
Toxicoscordion venenosum var. venenosum
1935-5-24
Butte
Below Concow Lake, 2 mi. above Concow.
518
Comment
UCD139875
Toxicoscordion venenosum var. venenosum
Ball
1932-5-25
s.n.
Butte
Death Camos.
Comment
CHSC12127
Tragopogon porrifolius
J. M. Pitts
1972-4-14
106
Butte
Bidwell Park 100 yards ne of Hwy 99 overpass.
76
Comment
UCD138328
Triantha occidentalis
E. B. Copeland
1929-7-24
349
Butte
Jonesville.
1550
Comment
CHSC44655
Triantha occidentalis subsp. occidentalis
L. P. Janeway; R. A. Schlising
1988-7-22
3071
Butte
Just above the High Lakes Rd 3.4 mi W of the pass. N side of cyn of Philbrook Cr.
1905
Comment
CHSC46519
Tribulus terrestris
Lowell Ahart
1982-7-10
3665
Butte
In the parking area at the Gray Lodge check in station, about 12 miles south-west of Gridley.
30
Comment
CHSC52086
Trichostema lanceolatum
B. Castro
1987-10-17
241
Butte
Ca 4 mi se of Oroville; a large patch in overgrown pasture on n side Lower Wyandotte Rd ca 0.3 mi e of its jcn with Upper Palermo Rd.
91
Comment
CHSC812
Trichostema lanceolatum
V. Holt; M. Underhill
1952-7-21
Butte
Foothills near Chico.
60
Comment
CHSC2380
Trientalis latifolia
R. Carter
1965-6-2
223
Butte
Found .2 mi. N of Berry Creek School on Oroville-Quincy Rd. on E. bank beside road.
518
Comment
UC176278
Trifolium albopurpureum
A. A. Heller
1913-4-7
10736
Butte
6 mi n Oroville (hills)
Comment
CHSC95209
Trifolium albopurpureum var. albopurpureum
R. D. Fischer
2004-3-28
811
Butte
Chico. Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition off Hwy. 32. Collected off the road-cut bank of 10 Mile House Road mid way between Hwy 32 and the old cabin/pond site.
396
Comment
SEINET10940001
Trifolium amplectens
Lowell Ahart
1983-4-10
Ahart 3920
Butte
S of a large wash, 1/10 mi e of the large barn, ca. 1.4 mi ne of Hwy 99 and Pentz Rd jct, ca. 16 mi s of Chico. Valley Grassland; 65 m.
65
Comment
CHSC48585
Trifolium arvense
Vernon Oswald; Bruce Baldwin
1988-6-16
3389
Butte
Camp Creek Rd. ca. 0.5 mi ene of Pulga.
512
Comment
HSC103998
Trifolium bifidum var. bifidum
L. Ahart
2012-5-12
18026
Butte
About 9 air mi. NE of Chico, southern part of Upper Bidwell Park, ~0.5 air mi. W of Hwy. 32, ~300 yds. SW of Ten Mile House Rd., north of the large meadow
268
Comment
CHSC968
Trifolium ciliolatum
V. Holt
1942-5-3
Butte
Comment
POM21439
Trifolium ciliolatum
A. A. Heller, H. E. Brown, A. H. Heller
1902-5-8
7348
Butte
Berry Canyon (near Clear Creek)
Comment
UCSC010324
Trifolium depauperatum
Lowell Ahart
2015-3-27
19981
Butte
about 3/8 mile northeast of Coal Canyon Falls, about 1/8 miles northwest of the improved parking area, North Table Mountain, about 8 miles north of Oroville
389
Comment
UCSC010327
Trifolium depauperatum
Lowell Ahart
2015-3-27
19981
Butte
about 3/8 mile northeast of Coal Canyon Falls, about 1/8 miles northwest of the improved parking area, North Table Mountain, about 8 miles north of Oroville
389
Comment
HSC32612
Trifolium depauperatum
Steven Lagos
1974-4-20
14
Butte
Pentz Rd.
Comment
SEINET7042703
Trifolium depauperatum
A. G. Vestal
1963-5-9
s.n.
Butte
North of Oroville in the Sacramento River Valley and borders of the hill country. Oroville quadrangle UTM Zone 10, 619643mE, 4380357mN.
Comment
UC631066
Trifolium depauperatum var. amplectens
A. A. Heller
1915-4-20
11851
Butte
3 mi from Chico (Chico-Centerville Rd)
Comment
SEINET10452502
Trifolium dubium
Mary Susan Taylor
1981-5-6
Taylor 3621
Butte
T21N R7E sw sec 30, Forbestown quad. W side of rd leading to Jackson Ranch, ca. 5 air mi N of Feather Falls. Yellow Pine Forest; 3700 ft.
1128
Comment
JEPS98460
Trifolium glomeratum
Lowell Ahart
2000-6-6
8457
Butte
5 air miles E of Oroville Dam (old gold mining pit, 200 yds NW of where the dirt road crosses Oregon Gulch creek, about 1/4 mi NE of the cemetery, 1 1/2 mi S of Crystal Hill)
304
Comment
UC204549
Trifolium gracilentum
A. A. Heller
1914-4-6
11264
Butte
8 mi n Oroville
Comment
SEINET7042707
Trifolium gracilentum
A. G. Vestal
1963-5-9
s.n.
Butte
Route 99E 11.8 miles north of Chico. Nelson quadrangle UTM Zone 10, 605211mE, 4382252mN.
Comment
JEPS119701
Trifolium hirtum
Lowell Ahart
2012-5-2
17975 -A
Butte
West of the Government Pole Line, Upper Bidwell Park, about 3/4 mile east of Chico.
Comment
RSA634248
Trifolium incarnatum
Michael A. Vincent
1998-4-6
8108
Butte
Oroville. Along Rt. 162 of Lincoln Boulevard.
Comment
UC671799
Trifolium longipes var. hansenii
H. F. Copeland
1938-7-4
Butte
Jonesville
Comment
CHSC31904
Trifolium microcephalum
L. Ahart
1971-4-21
73
Butte
Peter Ahart Ranch, Honcut.
45
Comment
RSA4425
Trifolium monanthum subsp. monanthum
E. B. Copeland
1931-7-20
652
Butte
Jonesville. Butte Creek Meadows.
1650
Comment
CDA34701
Trifolium oliganthum
L. Ahart
2010-5-7
16626
Butte
On both sides of Guardian Trail, about 1/2 mile west of Highway 32, Upper Bidwell Park, about 4 1/2 miles (air) northeast of Chico.
Comment
CHSC63254
Trifolium oliganthum
Lowell Ahart
1994-4-16
7283
Butte
Steep east slope on the west side of North Honcut Creek, Peter Ahart Ranch, about 1 1/4 miles north and 2 3/4 miles east of Honcut, about 12 miles south-east of Oroville.
45
Comment
JEPS87707
Trifolium oliganthum
Lowell Ahart
1994-4-16
7283
Butte
ca 12 mi se Oroville (steep e slope of w side of North Honcut Creek, Peter Ahart Ranch, ca 1 1/4 mi n and 2 3/4 mi e of Honcut); Peter Ahart Ranch
45
Comment
CAS-BOT-BC230732
Trifolium productum
E. B. Copeland
1931-8-1
653
Butte
Jonesville
1700
Comment
JEPS115321
Trifolium retusum
Lowell Ahart
2009-5-8
15660
Butte
On the south side of the gravel road, about 10 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico
67
Comment
CHSC117321
Trifolium subterraneum
B. Castro
2009-5-5
1781
Butte
Sacramento Valley. Ca 8 air mi NW of Oroville, 150 ft W of Hwy 99 and 0.5 mi S of Nelson Rd.
47
Comment
CHSC45928
Trifolium subterraneum
Lowell Ahart
1977-5-17
1369
Butte
In a farmed field, Peter Ahart Ranch, about 2 miles north and 1 miles east of Honcut, about 12 miles south of Oroville.
39
Comment
JEPS113200
Trifolium subterraneum
Lowell Ahart
2007-4-30
13701
Butte
On the east side of Jordan Hill Road, about 1 1/2 miles northwest of Concow Creek, about 1 1/2 miles west of Concow Reservoir
358
Comment
JEPS121956
Trifolium variegatum var. geminiflorum
Lowell Ahart
2014-7-7
19570
Butte
South of the intersection of Humbug Road and Philbrook Road, about 2 miles (air) northwest of Philbrook Reservoir.
Comment
CHSC115292
Trifolium willdenovii
Lowell Ahart
2015-4-27
20083
Butte
On the south side of the dirt road, about 5/8 mile northwest of the iron gate along Cherokee Road, Beatson Hollow, North Table Mountain, about 7 miles (air) north of Oroville.
304
Comment
CHSC39307
Trifolium willdenovii
Lowell Ahart
1983-6-26
4126
Butte
Along Ponderosa Way, about 2 miles south-east of the intersection of the Oroville Quincy Highway and Ponderosa Way, about 15 miles north-east of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way.
500
Comment
CHSC90985
Trifolium willdenovii
Lowell Ahart
2005-5-11
11804
Butte
Steep slope on the south side of Beatson Hollow, southwest of drainage entering Beatson Hollow, about 1 1/4 miles northwest of the poor dirt road off of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
280
Comment
JEPS122153
Trifolium willdenovii
Lowell Ahart
2014-5-2
19429 -A
Butte
About one mile northwest of Parking Area on the west side of Cherokee Road, about 8 miles (air) north of Oroville. (west of deep canyon, south of willow tops, extreme distance top of lone oak tree, north of deep drainage, fence, fence sigh, northwest top of Digger Pine).
Comment
UC204386
Trifolium willdenovii
A. A. Heller
1914-4-16
11299
Butte
2 mi from Chico (in the field near the Plant Introduction Garden)
Comment
SEINET12164085
Trifolium willdenovii
M. A. Pella
1984-1
19
Butte
Oroville, 2.4 mi NE of Table Mountain Boulevard on Cherokee Mountain Road
85
Comment
UCSC008906
Trifolium willdenovii
Randall Morgan
2014-3-24
5578
Butte
Beatson Hollow, Table Rock
Comment
JEPS110193
Trifolium wormskioldii
Lowell Ahart
2006-7-16
12985
Butte
In a bog, in the west edge of a large meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows
1569
Comment
RSA589913
Trifolium wormskioldii
Michael A. Vincent, Robert Rhode, Jim Snowden, Karl Vincent
1996-3-29
7212
Butte
North Table Mountain, W of Cherokee Rd, N of Oroville. N side Beatson Hollow, ca. 1.9 mi. along trail from entrance on Cherokee Rd.
Comment
SEINET10452561
Trifolium wormskioldii
Mary Susan Taylor
1978-7-18
Taylor 1725
Butte
On N side of Butte Creek, ca. 1/8 mi W of Road Island Junction, at junction of Butte Creek and Old Humboldt Road, ca. 1 mi W of Cherry Hill Campground; Yellow Pine Forest.
1524
Comment
CHSC104834
Triglochin scilloides
Lowell Ahart
2010-6-9
16789
Butte
About 100 yards west of the fence, about 1/2 mile south of the improved parking area and Cherokee Road, North Table Mountain, about 5 1/2 iles (air) northeast of Oroville.
398
Comment
HSC20848
Triphysaria eriantha subsp. eriantha
L. S. Rose
1967-5-6
67054
Butte
Oroville
52
Comment
CHSC43183
Trisetum spicatum
Robert Banchero
1981-7-21
622
Butte
Snow Mt. 2 air mi se of Jonesville.
2011
Comment
JEPS87164
Trisetum wolfii
Lowell Ahart
1992-7-21
6800
Butte
ca. 2 (air) mi. n.e. Philbrook Reservoir (near a snow lake on s. side of Coon Hollow); Coon Hollow
1737
Comment
CHSC38774
Triteleia bridgesii
Vernon Oswald
1983-3-31
243
Butte
Upper Bidwell Park, Chico, beside Yahi Trail ca. 400 ft e of Parking Area L at Diversion Dam (1.1 mi e of the power lines).
134
Comment
CAS-BOT-BC521213
Triteleia bridgesii
A. A. Heller
1915-5-28
11903
Butte
Plentiful near Cohasset; Near the upper limit of the digger pine in the Sierra foothills.
Comment
CHSC110259
Triteleia hyacinthina
L. P. Janeway
2012-6-2
10835
Butte
Northern High Sierra Nevada. Plumas National Forest; eastern slope of Bloomer Hill, 1.0 air km east of the top.
701
Comment
CAS-BOT-BC521602
Triteleia hyacinthina
A. A. Heller
1914-4-17
11302
Butte
8 miles north of Oroville
Comment
CAS-BOT-BC521612
Triteleia hyacinthina
R. F. Hoover
1938-4-24
3245
Butte
3 mi n. of Chico
Comment
SEINET10533643
Triteleia hyacinthina
H. E. Brown
1897-4-1
Brown s.n. 1897
Butte
Collected near Clear Creek. 175 feet.
Comment
CHSC55461
Triteleia ixioides subsp. scabra
L. P. Janeway
1991-6-8
3995
Butte
On south side of Montgomery Bar Ravine, ca. 0.3 mi from Lake Oroville high water mark.
377
Comment
UCD139348
Triteleia ixioides subsp. scabra
W. R. Powell
1968-5-17
1513
Butte
3.5 miles east-northeast of Lake Wyandotte and 3 miles north of Rackerby.
466
Comment
CHSC3459
Triteleia ixioides subsp. unifolia
Roger Jaegel
1966-3-28
72
Butte
Located on the top of table mountain two miles southeast of Cherokee.
Comment
UC726500
Triteleia ixioides subsp. unifolia
A. A. Heller
1938-4-14
15032 a
Butte
n of Oroville; Table Mountain Summit
Comment
CAS-BOT-BC525792
Triteleia ixioides subsp. unifolia
A. A. Heller
1938-4-14
15032 a
Butte
Table Mountain, Upper Sonoran Life Zone
304
Comment
CHSC59372
Triteleia laxa
J. L. Guardino
1992-4-18
18
Butte
Along southern rim of Chico Creek Canyon, 1.7 mi e of Oak Hollow Ln.
268
Comment
CHSC38862
Triticum aestivum
Vernon Oswald
1982-4-6
Butte
Upper Bidwell Park, Chico, along the edge of Upper Park Rd. near Bare Hole.
Comment
CHSC52655
Tuctoria greenei
R. D. Stone
1986-7-15
751
Butte
Central Valley. Esquon Lake, about 10 miles SE of Chico, 0.1 miles E of Highway 99 and 0.4 miles SE of its intersection with Pentz Road. Vernal pool.
54
Comment Read comments Jul 24 2008
CHSC31005
Typha domingensis
M. S. Taylor
1978-7-21
1849
Butte
On se corner of Richvale East Rd and Erickson Rd, Richvale, in ricefield.
30
Comment
CHSC94377
Typha latifolia
Lowell Ahart
2006-8-5
13086
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
CDA4352
Ulex europaeus
J. Harroun
1971-5-25
Butte
Mr. Knibbs, Stirling City.
0
Comment
CHSC10694
Umbellularia californica
Lowell Ahart
1961-3-3
Butte
Salmon Hole, Chico.
91
Comment
CHSC28651
Umbellularia californica
M. S. Taylor
1979-3-20
1948
Butte
Along old road on n side of Hwy 70 following Feather River, begins at s side of Bridge over north fork Feather River, ca. 10 mi n of Oroville.
304
Comment
CHSC30719
Umbellularia californica
M. S. Taylor
1980-5-27
2664
Butte
On Big Bald Rock, granitic dome, ca. 3 mi e of Lake Madrone.
997
Comment
CHSC64110
Umbellularia californica
Michael Deal
1992-4-19
7
Butte
Private property, 449 Castle Drive, w of Laurel St., Paradise.
609
Comment
JEPS115103
Umbellularia californica
Lowell Ahart, John Dittes
2008-11-14
15449
Butte
On the south side of Big Chico Creek, north of the deep pen, northeast of the small storage building, near the paved road, about 150 yards east of Cedar Grove, Lower Bidwell Park, Chico
67
Comment
CHSC49446
Urtica urens
Vernon Oswald
1984-3-7
1091
Butte
Sewer Farm, City of Chico, on Chico River Rd. ca. 1/4 mi w of Alberton Ave. Along the driveway to the Administration Buildings.
Comment
CAS-BOT-BC194021
Vaccinium cespitosum
E. B. Copeland
1931-6-11
673
Butte
Shore of lake beyond the head of Butte Creek, Jonesville
1900
Comment
UC1608999
Valeriana californica
Lowell Ahart
1993-9-8
7168
Butte
On the north side of the ridge, about 0.5 mile east of Snow Mountain.
Comment
SEINET10537547
Velezia rigida
Lowell Ahart
1985-5-6
Ahart 4933
Butte
Along Table Mountain Boulevard, south of the Cambell Overflow, 1/2 mile south of the inter- section of Highway 70 and 149, about 7 miles north of Oroville.
Comment
CHSC42868
Verbascum thapsus
Lowell Ahart
1987-5-27
5688
Butte
On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CDA42883
Verbascum virgatum
L. Ahart
2012-5-31
18115
Butte
On the south side of Neal Road, west of the intersection of Highway 99 and Neal Road, about 3 miles (air) south of Chico.
Comment
UCD125969
Verbena
R. Tofsrud
Date Unknown
s.n.
Butte
Exact location unknown.
Comment
CHSC96905
Verbena lasiostachys var. scabrida
Lowell Ahart
2007-6-12
14069
Butte
On the west side of a poor forest road, about 70 yards northeast of the parking area at Big Bald Rock, about 14 miles (air) northeast of Oroville.
1012
Comment
CHSC49453
Verbena litoralis
Vernon Oswald
1983-6-28
788
Butte
Graylodge Waterfowl Management Area, near Parking Lot 11.
Comment
SFV10453
Veronica americana
M. L. Vincent
1967-6-26
671
Butte
Sierra Nevada Butte Meadows. Streamside.
1325
Comment
CDA42018
Veronica peregrina subsp. xalapensis
L. Ahart
2005-4-14
11715
Butte
About 200 feet east of the railroad tracks, north of Spruce Street, Gridley.
Comment
CHSC26843
Veronica serpyllifolia subsp. humifusa
M. S. Taylor; M. Hayes
1978-6-24
1656
Butte
On n side of Scotts John Rd, ca. 3 mi e of its jct with Old Humboldt Rd, ca. 5 mi e of Jonesville.
1676
Comment
CHSC33110
Vicia americana var. americana
M. S. Taylor
1981-5-5
3612
Butte
W side of spur rd, ca. 1/2 mi n of its jct with Bryant Ravine Rd (21N35Y), ca. 1 air mi n of Feather Falls community.
853
Comment
UCD108783
Vicia benghalensis
Morton D. Morse
1961-5-1
s.n.
Butte
location unknown.
Comment
CHSC90371
Vicia sativa
Doug Burcombe
1988-4-13
14
Butte
10 m N of old Gianelli bridge and 95 m E of Sacramento River. 9 mi W of Chico. N side of Hwy. 32.
70
Comment
CHSC30678
Vicia sativa subsp. nigra
M. S. Taylor
1980-3-1
2326
Butte
West end of Chico City dump, on w boundary, n side of Neal Rd, ca. 1 mi e of Hwy 99, ca. 7 mi s of Chico.
76
Comment
CHSC113204
Vicia sativa subsp. sativa
Lowell Ahart
2014-4-16
19377
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.
29
Comment
CHSC62745
Vicia sativa subsp. sativa
L. P. Janeway
1993-5-13
4346
Butte
Plumas National Forest. Mooretown Ridge; west side of Ponderosa Way 0.3 mi south of Lumpkin Road.
670
Comment
CHSC117608
Vicia villosa subsp. varia
L. P. Janeway
2016-4-26
11938
Butte
Sacramento Valley. Along Nelson Road 1.0 road-km west of its bridge across Thermalito Forebay; where the road crosses Camp-bell Hills.
94
Comment
JEPS115543
Vicia villosa subsp. varia
Lowell Ahart
2009-5-8
15664
Butte
On the south side of the gravel road, about 10 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico
67
Comment
CAS-BOT-BC263896
Viola adunca
H. F. Copeland
1920-5-20
s.n.
Butte
Jonesville
1219
Comment
SEINET175290
Viola adunca
E. B. Copeland
1931-5-9
662
Butte
Jonesville
1500
Comment
CHSC23139
Viola douglasii
M. S. Taylor
1976-2-25
1006
Butte
Ca. 50 m n of Humbolt Rd, ca. 5 mi e of Chico.
152
Comment
SEINET10480207
Viola lobata subsp. psychodes
Mary Susan Taylor
1980-5-27
Taylor 2653
Butte
T21N R6E sc sec 30. Big Bend quad. On trail (around parking lot) to Big Bald Rock, ca. 3 mi E of Lake Madrone; Yellow Pine Forest, granitic soils.
998
Comment
POM219290
Viola macloskeyi
H. F. Copeland
1927-5-6
227
Butte
Jonesville.
1524
Comment
RSA412885
Viola macloskeyi
H. F. Copeland
1929-6-10
1217
Butte
Jonesville.
1524
Comment
CHSC108819
Viola odorata
Lowell Ahart; John Dittes, Josephine Guardino
2012-4-6
17811
Butte
On the north side of Big Chico Creek, Lost Park in Bidwell Park, city of Chico.
60
Comment
CHSC46416
Viola purpurea subsp. quercetorum
Lowell Ahart
1989-5-28
6294
Butte
South of Oregon Gulch Road, about 1/2 mile north of the Cemetary, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville.
335
Comment
CAS-BOT-BC203025
Vitis californica
Javier Penalosa
1962-6-18
2458
Butte
Near confluence of French and Peavine Crks.
609
Comment
CAS-BOT-BC385043
Vitis californica
John Thomas Howell
1975-6-15
51068
Butte
Skyway between Chico and Paradise at Butte Creek
60
Comment
CHSC104778
Vitis californica
L. P. Janeway
2010-8-21
10170
Butte
Cascade Range Foothills. Upper Bidwell Park, Chico; northeast end of Upper Park Road, northwest side of Big Chico Creek.
203
Comment
POM84882
Vitis californica
C. C. Bruce
1897-05
1796
Butte
Little Chico.
Comment
SEINET9765584
Vitis californica
Richard Carter
2006-7-30
Butte
N Chico, 0.3 mi N jct. Nord Hwy and Esplanade, between Esplanade and Hwy CA 99
Comment
UC175350
Vitis californica
A. A. Heller
1913-5-25
10761
Butte
near Pents
152
Comment
UC73415
Vitis californica
H. E. Brown
1896-10-2
118
Butte
near Oroville
53
Comment
CAS-BOT-BC385363
Vitis vinifera
Saichi Kawahara
1968-5-4
358
Butte
Colusa-Hamilton City Road, 1 mile north of Princeton Ferry, west bank of Sacramento River
30
Comment
SEINET10506855
Vulpia
Mary Susan Taylor
1982-5-21
Taylor 4492
Butte
T23N R5E ne/ne sec 6. Pulga Sw quad. On n side of Hwy 70 along Pulga Rd, near Pulga bridge over Feather River, ne of Oroville. On serpentine; 1600 ft.
488
Comment
CHSC107388
Vulpia microstachys
Blake McSorley
2010-5-11
Butte
Bidwell Park at Christer Ave. Found along Big Chico Creek.
71
Comment
RSA714646
Vulpia microstachys
Daisie Huang
2006-4-15
6041563
Butte
Upper Bidwell Park, Horseshoe Lake.
114
Comment
CHSC94011
Vulpia microstachys var. ciliata
R. Fischer
2005-4-30
674
Butte
Collection from along Hwy. 32, ca. 5 miles north of Chico on the Big Chico Creek Ecological Reserve, on a canyon edge trail called the Overlook.
518
Comment
UCD93826
Vulpia microstachys var. ciliata
Beecher Crampton
1971-3-30
8671
Butte
5 miles north of Oroville, Cherokee Road.
304
Comment
CHSC31746
Vulpia microstachys var. confusa
L. Ahart
1972-5-8
99
Butte
Peter Ahart Ranch, Honcut. On bottom of a small wash.
45
Comment
CHSC82483
Vulpia microstachys var. pauciflora
Lowell Ahart; John Dittes, Josephine Guardino
2002-6-21
9755
Butte
On the south 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
CHSC96561
Vulpia microstachys var. pauciflora
L. P. Janeway
2006-4-30
8566 A
Butte
Cascade Range Foothills. East edge of city of Chico; northwest side of Humboldt Road 2.4 km northeast of Bruce Road.
149
Comment
CHSC97360
Vulpia microstachys var. pauciflora
Paul Maslin
2005-5-1
60
Butte
Sierra Nevada Range, west of Hwy 32 between Chico and Forest Ranch within Big Chico Creek Ecological Reserve (BCCER). UTM: 10608538E 4409116N.
490
Comment
CHSC42441
Vulpia myuros
Lowell Ahart
1987-5-6
5570
Butte
On a gravel bar along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
JEPS124301
Wolffia borealis
Lowell Ahart
2015-11-18
20655
Butte
About 2 miles southeast of intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley.
Comment
CHSC102414
Woodwardia fimbriata
Lowell Ahart
2009-6-30
15975
Butte
On damp soil, along a small flowing stream, about 20 yards south of the fence, about 150 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.
242
Comment
CHSC39830
Woodwardia fimbriata
Maxey; Jones
1928-4-25
Butte
Butte Creek Canyon.
Comment
CAS-BOT-BC77792
Woodwardia fimbriata
Javier Penalosa
1962-6-18
2444
Butte
Near confluence of French and Peavine Crks., North of Brush Creek on road from Bidwell Bar to Quincy
609
Comment
RSA300563
Woodwardia fimbriata
R. J. Shaw
1982-8-21
3041
Butte
Highway 70, Feather River Canyon, east of Jarbo Pass
701
Comment
CHSC46342
Wyethia angustifolia
Lowell Ahart
1989-5-28
6301
Butte
West of the Oregon Gulch Road, about 1 1/2 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville.
335
Comment
JEPS32097
Wyethia angustifolia
W. L. Jepson
1934-5-4
16609
Butte
near Sacramento River (1 1/2 mi s of Nord); Pine Creek
Comment
CAS-BOT-BC383457
Wyethia mollis
E. B. Copeland
1931-7-14
700
Butte
Jonesville
1600
Comment
CHSC31575
Xanthium spinosum
L. Ahart
1976-9-19
1196
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC76412
Xanthium strumarium
Lowell Ahart
1999-10-28
8313
Butte
On the west side of a large pond, area along the east side of the Sacramento River, northwest of Parrot Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
32
Comment
CHSC78063
Xanthium strumarium
Shelly Pirtle
1997-4-9
28
Butte
+/- 20 miles south of Chico off of Biggs-Afton Road: Little Cry Creek.
Comment
CHSC94593
Xanthium strumarium
Lowell Ahart
2006-9-11
13278
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
JEPS119937
Xanthium strumarium
Lowell Ahart
2012-9-28
18467
Butte
Gravel bar in the middle of Big Chico Creek, about 30 yards east of the Freeway, Lower Bidwell Park, Chico.
Comment
CAS-BOT-BC534208
Zigadenus venenosus
Lowell Ahart; V. Oswald
1988-6-17
3397
Butte
North of the dam at Lost Creek Reservoir, at edge of the road bordering the reservoir
1005
Comment
CHSC43731
Ziziphus jujuba
Vernon Oswald
1985-6-5
1811
Butte
Near Sacramento R. just s of the Washout on River Rd.
38
Comment
CHSC84652
Ziziphus jujuba
James Dempsey
2002-9-30
Butte
Sacramento Valley. Bidwell-Sacramento River State Park; along Chico River Road beside the Sacramento River, just short of the first bend in the road north of the Big Chico Creek bridge and just south of the Washout.
39
Comment