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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
UC436313
Abies concolor
E. B. Copeland
1930-7-1
Butte
Jonesville
1550
Comment
SBBG28938
Acer glabrum
E. B. Copeland
1930-6-28
Butte
Jonesville
2100
Comment
CAS-BOT-BC330630
Acer glabrum var. glabrum
E. B. Copeland
1930-6-28
s.n. (distributed as UCBerkeley's 423 )
Butte
Jonesville, near Butte Creek
2100
Comment
UC426916
Acer glabrum var. glabrum
E. B. Copeland
1930-6-28
423
Butte
Jonesville Jonesville (on shady side of high ridge)
2100
Comment
CHSC116971
Acer macrophyllum
Danielle Gee
2013-4-27
Butte
Dark Canyon Road, about 0.5 mile off Hwy 70.
572
Comment
SFV16943
Acer macrophyllum
J. N. Hogue
1980-9-6
83 2
Butte
Sierra Nevada Toadtown, 4 miles west of Stirling City, along Little Butte Creek.
915
Comment
CAS-BOT-BC21702
Achillea millefolium
Helen Edwards
1917-6-1
s.n.
Butte
De Sabla
Comment
CHSC105812
Achillea millefolium
Lowell Ahart
2010-9-21
17216
Butte
About 70 yards east of the poor dirt road, about 80 yards west of Big Kimshew Creek, about 1 1/2 miles (air)northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir.
1917
Comment
CHSC58878
Achillea millefolium
Lowell Ahart
1992-7-26
6846
Butte
Near a small stream, about 1/2 mile north of the Carr Mine, about 2 (air) miles south of Snow Mountain.
1767
Comment
CAS-BOT-BC210636
Achnatherum lemmonii
L. W. Swift
1934-5-7
103
Butte
Unspecified
731
Comment
CHSC89015
Achnatherum lemmonii
A. Peterson
2003-5-6
76
Butte
Southeast of Chico, Hwy 70 road shoulder, about 2 1/2 miles sw of bridge over north fork of Feather River.
609
Comment
UCD50573
Achnatherum lemmonii
P. B. Kennedy
1914-5-8
s.n.
Butte
Paradise Grade.
Comment
CHSC20049
Achyrachaena mollis
M. S. Taylor
1975-4-18
488
Butte
Ca. 1/2 mi e of Hwy 99, on Keefer Rd, ca. 1/2 mi ne of junction of Hwy 99 and Keefer-Lassen Rd.
Comment
CHSC113096
Acmispon americanus var. americanus
Lowell Ahart
2013-11-18
19282
Butte
Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton.
261
Comment
CHSC84859
Acmispon argophyllus var. fremontii
L. P. Janeway; John Hunt
2003-6-6
7815
Butte
Northern Sierra Nevada Foothills. South-facing slope above Lake Oroville 650 m north-northeast of the north end of Bidwell Bar Bridge.
296
Comment
CHSC113917
Acmispon brachycarpus
Lowell Ahart
2014-5-13
19457
Butte
North of a small drainage, below the high water line of Lake Oroville, about 250 yards southeast of the trail, trail starts at the parking area at the Enterprise Boat Launch Area, about 11 miles (air) east of Oroville.
241
Comment
CHSC28156
Acmispon brachycarpus
R. J. Goedl
1979-4-14
10
Butte
Ca. 6 mi n of Oroville 0.5 mi w of Cherokee Mountain Road.
365
Comment
CHSC50668
Acmispon glaber
Lowell Ahart
1990-5-21
6474
Butte
In the borrow area, about 1/4 mile south of the Feather River, about 4/10 mile west of Pacific Heights Road, about 4 1/2 miles south-west of Oroville.
30
Comment
CHSC40895
Acmispon nevadensis
Lowell Ahart
1985-11-5
5224
Butte
About 50 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 Feather River.
286
Comment
CHSC58913
Acmispon nevadensis var. nevadensis
Lowell Ahart
1992-8-2
6911
Butte
East of the intersection, about 1/2 mile north of Flea Valley, about 4 1/2 (air) miles north-east of Concow Reservoir.
1158
Comment
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
UCD95295
Aconitum columbianum
E. B. Copeland
1929-7-22
363
Butte
Jonesville.
1500
Comment
CAS-BOT-BC391375
Aconitum columbianum subsp. columbianum
E. B. Copeland
1929-7-22
363
Butte
Jonesville
1500
Comment
CAS-BOT-BC412865
Aconogonon davisiae
E. B. Copeland
1929-7-17
s.n.
Butte
Above Jonesville
2000
Comment
CHSC53693
Actaea rubra
Kirsten Tarp
1983-7-28
307
Butte
Chico Meadows, ca. 1.0 mi n of Butte Meadows, near county line. At stream side.
1295
Comment
CHSC84642
Adiantum jordanii
Matt Quinn
2001-4-4
13
Butte
Found along vertical bedrock wall on south side of Honey Run Creek, approximately 3/4 mile upstream of confluence with Little Butte Creek.
243
Comment
UC1481811
Adiantum jordanii
Mrs. Carlotta C. Hall
1914-7-17
9760
Butte
near Chico and Paradise (Honeyrun Grade)
Comment
RSA716145
Aegilops cylindrica
L. Ahart
2005-7-12
12142
Butte
Poor road on the south side of Forest Road 21N40, about 100 yards west of Encina Grade Road (Bloomer Hill Road) (Forest Road 21N39), about 3/4 mile (air) west of Bloomer Hill, about 6 miles west of Oroville Quincy Highway.
823
Comment
CDA43077
Aegilops triuncialis
L. P. Janeway
2011-6-29
10415
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.
Comment
CHSC93877
Aegilops triuncialis
Lowell Ahart
2006-6-9
12640
Butte
Along the south side of the service road to Bardees Bar along the North Fork of the Feather River, about 50 yards east of the electric tower, on the east side of Highway 70, about 2 3/4 miles (air) southwest of Pulga.
534
Comment
CHSC101825
Aesculus californica
Lowell Ahart
2009-5-23
15765
Butte
South of a small drainage, on the west side of Guardians Trail, just northwest of Pine Trail, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
381
Comment
UC175551
Aesculus californica
A. A. Heller
1913-5-25
10756
Butte
near Pents <Pentz>
152
Comment
SEINET10494576
Aesculus californica
Melvin L. Conrad
1973-6-5
Conrad 7037
Butte
Jarbo pass on hwy 70. Yellow pine, calif. Buckeye & shrubby lupine.
Comment
SEINET12290260
Agastache parvifolia
Unknown
1967-1
584
Butte
Chico, on the Rd to Eagle Lake Biology Station and Willow Creek
1585
Comment
CHSC87555
Agoseris grandiflora
R. D. Fischer
2004-4-13
58
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Found on ridge edge near beginning of Bloody-Pin trail.
457
Comment
SEINET3450923
Agoseris heterophylla
Unknown
2003-4-10
10053
Butte
Oroville, Oroville, about 2.5 air miles north, near the east side of the 'sunken area', about 150 yrd west of the east rim of the South Table Mountain
320
Comment
CHSC70813
Agrimonia gryposepala
B. Castro; H. Durio, L. Gehrung
1995-7-24
590
Butte
Ca 1.5 air mi S of Hungry Hunt Oeak, and 1.5 mi E of Hwy 70, ca 0.2 mi S on 'A' Spur off USFS Rd 22N84.
914
Comment
SEINET10855011
Agrostis avenacea
Lowell Ahart
2008-5-21
Ahart 14779
Butte
T20N, R6E, southwest 1/4 Section 33. Below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, about 1.4 mile northwest of the Ponderosa Dam.
246
Comment
UCD51764
Agrostis avenacea
William Anderson
1965-6-13
s.n.
Butte
Table Mountain.
365
Comment
SEINET10846779
Agrostis avenacea
Lowell Ahart
1990-5-25
Ahart 6492
Butte
Below the high water line of Lake Oroville, E of the Enterprise Boat Launch Area. About 1/8 mile NW of the Enterprise Bridge across Lake Orovilla. T19N R6E nw/S6. Foothill Woodland (destroyed).
259
Comment
JEPS95035
Agrostis capillaris
Lowell Ahart
1997-9-27
7915
Butte
back yard at the Ehmann Home, corner of Lincoln and Robinson Streets, Oroville Oroville
51
Comment
UC1563282
Agrostis exarata
Lowell Ahart
1990-9-30
6608
Butte
about 1/8 mi ne Canyon Creek Bridge across Lake Oroville (below the high water line of Lake Oroville); Lake Oroville, East Fork of Canyon Creek
243
Comment
CHSC59034
Agrostis exarata var. exarata
Lowell Ahart
1992-8-2
6907
Butte
In Concow Meadow, about 3 (air) miles north-east of Concow Reservoir.
1097
Comment
CHSC34060
Agrostis gigantea
L. Ahart; M. S. Taylor, J. T. Howell
1981-8-15
3045
Butte
N end of Snag Lake, ca. 10 mi n of Inskip.
1500
Comment
CHSC64251
Agrostis idahoensis
S. C. Morey
1983-8-1
648
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows.
1292
Comment
RSA715555
Agrostis microphylla
L. Ahart
2005-5-11
11793
Butte
South part of North Table Mountain, about 200 yards northwest of the poor dirt road off of Cherokee Road, about 200 yards south of the rim into Beatson Hollow, about 7 miles (air) north of Oroville.
359
Comment
CAS-BOT-BC139079
Agrostis pallens
Lowell Ahart
1987-7-10
5818
Butte
Near Forbestown Road, east of the intersection of Forbestown Road and Black Bart Road, about 1 mile west of Robinson Mill Road, about 6 miles southwest of Forbestown.
670
Comment
SEINET11688338
Agrostis scabra
L. Ahart, Ahart, P.
1984-1
4738
Butte
ca 1.5 mi SE of Bald Mountains, 0.75 mi W of Oak Point, ca 4 mi NE of Stirling City
1500
Comment
CHSC36404
Aira caryophyllea
Kirsten Tarp
1982-3-22
93
Butte
1 mi e of jct Hwy 149 and 99 on 149, ca. 13 mi se of Chico.
57
Comment
CHSC29993
Aira elegans
L. Ahart
1980-4-13
2079
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC38488
Albizia julibrissin
Vernon Oswald
1983-6-13
671
Butte
Upper Bidwell Park, Chico, along the n edge of the Hooker Oak Recreation Area.
80
Comment
CHSC61339
Alisma lanceolatum
Lowell Ahart
1993-7-13
7066
Butte
On the bottom of a deep wash, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CHSC103955
Allium amplectens
Lowell Ahart
2010-5-23
16728
Butte
On the west side of Guardians trail, north of the small drainage, about 50 yards north of Pine Trail, about 1/4 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico.
429
Comment
CHSC59361
Allium amplectens
J. L. Guardino
1992-4-16
6
Butte
Paradise, 1/4 mi s of Circle Dr. terminus.
472
Comment
POM110215
Allium amplectens
C. C. Bruce
1897-03
1898
Butte
[No locality information provided]
Comment
CHSC36902
Allium campanulatum
R. A. Schlising
1980-6-10
3665
Butte
NW part of county, along Humboldt Road, 1.9 mi NE of jct with Hwy 32 at Lomo. Carpenter Ridge.
1341
Comment
SEINET10472035
Allium campanulatum
Mary Susan Taylor
1980-5-24
Taylor 2744
Butte
Peter Ahart Ranch, Honcut.
50
Comment
JEPS27141
Allium cratericola
A. A. Heller
1938-4-3
15012
Butte
summit Table Mt.
304
Comment
CHSC63973
Allium jepsonii
B. Castro
1994-6-28
515
Butte
Ca 0.4 mi S of town of Pulga. On W side of Pulga Rd, ca 0.4 mi N of its jcn with Hwy 70 by the Pulga Bridge.
487
Comment
CHSC94209
Allium jepsonii
Lowell Ahart
2006-6-9
12657
Butte
On the west side of Bardees Bar Road, north of the small stream, south of the large stream, about 1/8 mile west of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga.
385
Comment
CHSC29962
Allium membranaceum
R. A. Schlising; P. Broyles
1979-5-15
3407
Butte
NE of Magalia and NW of Sawmill Peak.
Comment
POM169466
Allium membranaceum
Kate Conger
s.n.
Butte
Brush Creek
Comment
POM252945
Allium membranaceum
A. A. Heller
1938-5-28
15113
Butte
On wooded slope in leaf mold on Feather River Highway 22 miles from Oroville.
610
Comment
RSA32794
Allium membranaceum
A. A. Heller
1938-5-28
15113
Butte
Along the Feather River Highway east side of Jarboe Pass, 22 miles from Oroville.
610
Comment
CAS-BOT-BC472973
Allium membranaceum
Alice Eastwood
1921-5-22
10566
Butte
Los Vergils
Comment
CHSC42220
Allium peninsulare
J. P. Arts
1986-4-19
3
Butte
Ca. 4 mi. s of Centerville, ca 7 mi ne of Chico.
234
Comment
SEINET10839452
Allium peninsulare
Mary Susan Taylor
1980-4-19
Taylor 2546
Butte
S side of Butte Creek, on dry bluffs above the creek in Foothill Woodland, ca. 1/4 mi upstream from Honey Run Covered Bridge, ca.. 6 mi E of Chico. With J.D. Jokerst.
183
Comment
CAS-BOT-BC132075
Allium peninsulare var. peninsulare
Lowell Ahart
1980-5-25
2317
Butte
Along Swedes Flat Road, near Bangor
Comment
CAS-BOT-BC474067
Allium platycaule
Lowell Ahart
1987-5-22
5675
Butte
North of Lumpkin Ridge Road, about 1.5 miles east of Camp 18, about 8 miles north-east of Feather Falls
1280
Comment
SD588
Allium validum
E. B. Copeland
1930-7-21
407
Butte
Jonesville, in wet brush.
1500
Comment
UC426899
Allium validum
E. B. Copeland
1930-7-21
407
Butte
Jonesville
1500
Comment
UC1586630
Allophyllum divaricatum
Lowell Ahart
1991-6-22
6662
Butte
n. of Springtown Rd. Lake Oroville
243
Comment
RSA470050
Allophyllum gilioides subsp. gilioides
H. F. Copeland
1928-8-18
1010
Butte
Neighborhood of Jonesville
1524
Comment
CHSC26879
Allophyllum integrifolium
E. B. Copeland
1929-7-29
393
Butte
Jonesville.
1625
Comment
CDA9273
Alnus rhombifolia
D. G. Kelch
2006-8-2
6 .353
Butte
Along Butte Creek, north of Durham-Dayton Hwy.
Comment
OBI69161
Alnus rhombifolia
Kari Fisher
2000-11-10
46
Butte
Chico State Campus, along Big Chico Crk
79
Comment
UC1076425
Alnus rhombifolia
Herbert L. Mason
1927-5-19
3716
Butte
Cherokee mine Table Mt. (ne of Oroville)
Comment
CHSC43172
Alopecurus aequalis
Robert Banchero
1981-8-6
636
Butte
Ca 3 air mi se of Jonesvill.
1853
Comment
CHSC50066
Alopecurus carolinianus
Lowell Ahart
1990-4-15
6450
Butte
Below the high water line of Lake Oroville, east of the Enterprise Boat Launch Area, about 1/8 mile north-west of the Enterprise Bridge across Lake Oroville.
289
Comment
SEINET10868886
Alopecurus carolinianus
Lowell Ahart
1990-6-16
Ahart 6517
Butte
Along Mccabe Creek below the high water line of Lake Oroville about 1/2 mile southwest of the Enterprise Bridge across Lake Oroville. T19N R6E nw/S7. Foothill woodland (destroyed).
244
Comment
CHSC84273
Alopecurus saccatus
Lowell Ahart
2003-5-28
10235
Butte
On the bottom of Hendricks ditch, about 1 3/4 miles west of the iron gate and fence, west of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
271
Comment
CHSC50986
Amaranthus californicus
Lowell Ahart
1990-8-15
6577
Butte
Near McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville.
243
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
UCD97762
Amaranthus retroflexus
John Thomas Howell
1959-9-20
34699
Butte
9 miles NE of Oroville on Feather River Highway.
Comment
CHSC47965
Amaranthus rudis
Vernon Oswald
1987-8-13
3218
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. Portion of Rancho Bosquejo.
48
Comment
CDA3289
Amaranthus rudis
L. Ahart
1981-9-26
3205
Butte
ca. 6 miles west of Chico.
0
Comment
CHSC26661
Ambrosia psilostachya
M. S. Taylor; H. Hayes
1977-8-19
1505
Butte
In Campbell Slough, ca. 3 mi E of jct of Hwys 42 and 162, on N side of Hwy 162.
30
Comment
JEPS124126
Ambrosia psilostachya
Lowell Ahart
2015-10-9
20539
Butte
About 100 yards south of Ten Mile House Road, about 10 miles northeast of Chico.
Comment
CHSC42098
Ammannia coccinea
Lowell Ahart
1986-11-9
5442
Butte
About 1/10 mile south of the clay burrow for Oroville Dam, 1.4 mile east of Larkin Road, about 6 miles south-west of Oroville.
36
Comment
UCD102875
Ammannia robusta
W. A. Harvey
1953-8-12
s.n.
Butte
Biggs Rice Experiment Station.
Comment
UCD102884
Ammannia robusta
E. M. Johnston
1915-8-1
77 J
Butte
Biggs.
Comment
CDA5354
Ammi majus
L. Ahart
2001-6-13
8814
Butte
On the sides of the dirt road east of the large pump, on the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) southwest of Gridley.
Comment
CDA42897
Amorpha californica
L. Ahart
2012-6-9
18177
Butte
On both sides of a small drainage, about 30 yards east of Ten Mile House Road, about 1/8 mile north of the old homestead, Upper Bidwell Park, about 9 miles (air) northeast of Chico.
Comment
CHSC3544
Amsinckia intermedia
John Francis
1966-3-14
60
Butte
1/4 mile E. of intersection of Esplanade and Cohasset Rd. on Cohasset Rd., Chico.
Comment
SEINET12290588
Amsinckia intermedia
K. D. Johnson
1978-1
5
Butte
edge of pasture on S side of Cohasset Road, 3.2 mi N of Chico
59
Comment
UC726541
Amsinckia intermedia
A. A. Heller
1942-4-10
16420
Butte
Oroville Road just e of Butte Creek Bridge
Comment
UCD119608
Amsinckia intermedia
A. A. Heller
1918-3-30
12981
Butte
8 miles N of Oroville.
Comment
CHSC38270
Amsinckia menziesii
Vernon Oswald
1983-4-20
353
Butte
Upper Bidwell Park, Chico, beside equestrian trail on the n side of Upper Park Rd. ca. 300 ft e of its junction with Wildwood Ave.
85
Comment
JEPS127066
Anagallis minima
Lowell Ahart
2016-5-15
20832
Butte
On the very west edge of North Honcut Creek, Peter Ahart Ranch, about 1 1/4 miles north and 2 3/4 miles east of Honcut, about 12 miles (air) southeast of Oroville.
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
CAS-BOT-BC84692
Anthemis cotula
Lowell Ahart
1987-5-27
5710
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
271
Comment
CHSC31891
Anthriscus caucalis
L. Ahart
1977-5-4
1350
Butte
On moist soil in shade of old shearing barn. Peter Ahart Ranch, Honcut.
50
Comment
CHSC36168
Anthriscus caucalis
G. H. Snodgrass
1981-4-11
PT- 12
Butte
Ca. 5 mi e of Chico, ca. 200 yds e of Rockwood Lake entrance on Honeyrun Rd. (previously Humbug Rd.).
Comment
CHSC34040
Antirrhinum vexillo-calyculatum subsp. intermedium
L. Ahart
1981-7-7
2933
Butte
Ca. 1/2 mi w of the Forbestown Reservoir along the edge of the dirt rd. ne of Forbestown.
750
Comment
CHSC39235
Antirrhinum vexillo-calyculatum subsp. intermedium
M. S. Taylor; L. Ahart, J. Jokerst
1982-1-17
5217
Butte
Vicinity of mouth of Flag Canyon. On top pf North Table Mt., ca. 8 mi n of Oroville.
373
Comment
CHSC116177
Antirrhinum vexillocalyculatum subsp. intermedium
Lowell Ahart
2015-6-16
20243
Butte
About 150 yards southeast of Lumpkin Ridge Road, about 2 miles east of the intersection of Lumpkin Ridge Road, County Road and road to Fall River, about 6 3/4 miles (air) northeast of Feather Falls.
1296
Comment
CHSC12931
Aphyllon epigalium subsp. epigalium
K. D. Cox
1974-6-1
188
Butte
Found in yard at 1332 Elliott Rd., Paradise.
609
Comment
CHSC50641
Apocynum cannabinum
Lowell Ahart
1990-6-16
6514
Butte
A small ravine, below the high water line of Lake Oroville, about 1/2 mile south-west of the Enterprise Bridge across Lake Oroville.
259
Comment
POM149785
Aquilegia formosa var. truncata
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla.
Comment
SEINET10536205
Aquilegia formosa var. truncata
Mary Susan Taylor
1978-7-18
Taylor 1718
Butte
On top of Humboldt Peak, at Humboldt Summit, on Butte-Tehama County line.
2159
Comment
UC1594658
Arabidopsis thaliana
Vernon H. Oswald and Lowell Ahart
1992-4-8
4896
Butte
Trail near abandoned railroad grade in Oroville Dam Recreation Area, on s side of Thermalito Diversion Pool, between spillway and Sycamore Hill Oroville Dam Recreation Area; , Thermalito Diversion Pool
76
Comment
CHSC39284
Aralia californica
Lowell Ahart
1983-7-24
4214
Butte
Small wash at the Forbestown Res., about 5 miles north-east of Forbestown.
450
Comment
CAS-BOT-BC410081
Arceuthobium occidentale
John Thomas Howell
1962-6-15
37436
Butte
near Magalia
731
Comment
CHSC4463
Arctostaphylos
C. Glascock
1965-2-6
203
Butte
0.4 mi W of Grand View Cafe and station. Ca. 60 yds canyonward from Hwy 40a at side of a jeep trail.
Comment
SEINET10848278
Arctostaphylos laxiflora
A. Arthur Heller
1940-2-6
Heller 15492
Butte
Along the railroad near the Wagstaff road, Paradise. A variation form the type, collected nearby.
Comment
RSA632996
Arctostaphylos manzanita
Jon E. Keeley
1996-6-20
27451
Butte
Approximately 1/2 km west of Cohasset.
570
Comment
CAS-BOT-BC24416
Arctostaphylos manzanita subsp. manzanita
A. A. Heller
1940-2-19
15500
Butte
Neal Rd. 3 mi. w. of Paradise.
Comment
CHSC31680
Arctostaphylos manzanita subsp. manzanita
L. Ahart
1974-2-12
296
Butte
Ahart Ranch. Along North Honcut Creek. Peter Ahart Ranch, Honcut.
45
Comment
CHSC41220
Arctostaphylos manzanita subsp. manzanita
J. D. Jokerst
1985-7-18
2515
Butte
Canyon of Rock Cr. between creek and Cohasset Hwy, NW of Cohasset on lower canyon slope.
Comment
POM210201
Arctostaphylos manzanita subsp. manzanita
H. F. Copeland
1932-6-24
s.n.
Butte
Humboldt Grade, about 12 miles from Chico.
Comment
UC195402
Arctostaphylos manzanita subsp. manzanita
A. A. Heller
1914-1-10
11152
Butte
e Chico; canyon of Big Chico Creek
Comment
CHSC23443
Arctostaphylos manzanita subsp. roofii
K. R. Stern
1974-6-30
5774
Butte
Ca. 13 mi NE of Stirling City.
1950
Comment
CAS-BOT-BC24297
Arctostaphylos mewukka
A. A. Heller
1928-2-27
14478
Butte
About 2 mi. w. of Forest Ranch.
Comment
UC725908
Arctostaphylos mewukka
A. A. Heller
1942-1-18
16351
Butte
two mi below De Sabla
Comment
UC726641
Arctostaphylos mewukka
A. A. Heller
1942-1-29
16355
Butte
on State Hwy 32 near Lone Pine Forestry Station (14 mi e of Chico)
Comment
UCD52377
Arctostaphylos mewukka
L. Ahart
1985-11-17
4840
Butte
Near Kunkle Reservoir; about 2 miles south of Paradise.
518
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
POM367380
Arctostaphylos patula
H. F. Copeland
1925-5-6
223
Butte
Jonesville.
1524
Comment
HSC72757
Arctostaphylos viscida
M. S. Taylor, Timothy B. Devine, M Merryman
1981-2-11
3376
Butte
E side of Lumpkin Rd., ca. 300 ft. N of Macabes Creek, ca. 2 mi. N of jct. of Lumpkin Rd. and Hwy. 162, ca. 13 mi. NE of Oroville
457
Comment
UCD52201
Arctostaphylos viscida
John Thomas Howell; Gordon H. True
1967-5-9
42236
Butte
Serpentine canyonside on northwest side of Feather River Canyon near Pulga Bridge, Butte County.
Comment
CAS-BOT-BC47389
Arctostaphylos viscida subsp. viscida
Walter Knight; Irja Knight; Tiffany Knight
1988-7-24
6302
Butte
Paradise at Berkshire Way and Bille Road just off The Skyway. Next to a bike trail.
274
Comment
CAS-BOT-BC48284
Arctostaphylos viscida subsp. viscida
Lowell Ahart
1975-4-1
s.n.
Butte
Near Forbestown
457
Comment
CAS-BOT-BC48294
Arctostaphylos viscida subsp. viscida
John Thomas Howell
1975-6-15
51108
Butte
Paradise - Skyway just ne. of Billie Road.
609
Comment
RSA636988
Arctostaphylos viscida subsp. viscida
Jon E. Keeley
1996-6-20
27472
Butte
Approximately 1/2 km west of Cohasset.
Comment
CHSC41391
Arenaria kingii var. glabrescens
Lowell Ahart
1986-7-2
5344
Butte
West of the dirt road, about 2 miles north-east of Bald Mountain, south of Jones Meadow, about 6 1/2 miles north-east of Stirling City.
1767
Comment
JEPS98535
Aristida dichotoma
Lowell Ahart
2000-8-5
8624
Butte
Above seeps on bare granite, on the north side of Bean Creek Road, about 1/4 mile southeast of Little Bald Rock, about 4 miles (air) northeast of Madrone Lake, about 13 miles (air) northeast of Oroville.
1066
Comment
SEINET10790613
Aristida oligantha
Lowell Ahart
2006-10-13
Ahart 13504
Butte
T17N, R4E, southwest 1/4 Section 3. Small size plants, on dry gravelly soil, on the sides of a deep wash, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/8 miles east of Honcut, about 12 miles southeast of Oroville.
34
Comment
CHSC50353
Aristida ternipes var. hamulosa
Vernon Oswald; Mary Bailey
1990-5-19
4222
Butte
South rim of Nance Canyon at the double power transmission lines, ca. 0.6 mile northeast of the Butte County Sanitary Landfill on Neal Rd, south of Chico.
146
Comment
JEPS94665
Aristida ternipes var. hamulosa
Lowell Ahart
1998-6-9
7994
Butte
about 7 air mi n Oroville (about 1/2 mi nw of the lone oak tree, nw of the cow chute along Cherokee Road); North Table Mountain
396
Comment
SEINET10475903
Aristolochia californica
Mary Susan Taylor
1979-3-20
Taylor 1951
Butte
T21N R4E nw1/4 sec. 21. Cherokee Quad. Along old road on N side of Hwy 70 following West Branch of the Feather River, which begins at S side of bridge over N fork of Feather River, ca. 10 mi N of Oroville; limestone outcrops within Foothill Woodland.
305
Comment
JEPS21728
Arnica dealbata
A. A. Heller
1917-7-29
12861
Butte
summit above Jonesville
2133
Comment
UC600519
Arnica dealbata
H. F. Copeland
1931-6-10
Butte
between Willow and Colby Creek; Jonesville
Comment
SD5897
Arnica discoidea
E. B. Copeland
1929-7-23
Butte
Jonesville
1600
Comment
SEINET10474107
Artemisia douglasiana
Lowell Ahart
1990-10-3
Ahart 6625
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
CHSC115447
Asclepias cordifolia
M. Sutton; K. Schierenbeck
2013-5-5
46
Butte
Deer Creek.
657
Comment
CHSC66660
Asclepias fascicularis
Vernon H. Oswald; Lowell Ahart
1996-7-22
8088
Butte
Sacramento National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River.
32
Comment
CHSC123
Asclepias speciosa
E. Walker
1932-6-2
Butte
Magalia
670
Comment
SEINET10473623
Aster exilis
Mary Susan Taylor
1982-10-11
Taylor 5164 A
Butte
T20N R2E sw sec 33. Along the Midway near a slough just n of Nelson-Shippee Rd, ca. 0.7 mi s of Nelson.
Comment
RSA32898
Aster subulatus var. parviflorus
A. A. Heller
1923-10-13
13828
Butte
Near Richvale
Comment
CHSC40770
Astragalus gambelianus
Lowell Ahart
1985-5-10
4940
Butte
Along the edge of Cherokee Road, north of where the public parks, about 5 miles north of Oroville, Table Mountain.
411
Comment
SEINET7042706
Astragalus gambelianus
A. G. Vestal
1963-5-9
s.n.
Butte
Route 99E 11.8 miles north of Chico. Nelson quadrangle UTM Zone 10, 605211mE, 4382252mN.
Comment
CHSC44493
Astragalus pauperculus
Lowell Ahart
1988-5-12
5990
Butte
Open pasture field, 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
POM45819
Astragalus tener var. ferrisiae
C. C. Bruce
1898-05
2432
Butte
Sacramento River.
Comment
SEINET10532283
Athyrium filix-femina
Mary Susan Taylor
1978-7-19
Taylor 1737
Butte
Cherry Hill Campground, on S side of Old Humboldt Road, ca. 2 mi SW of Jonesville.
1524
Comment
CHSC34533
Athysanus pusillus
R. E. Preston
1982-2-18
171
Butte
At base of cliffs, n side of Anderson Fork of Rock Creek. Ca. 7.5 mi nne of downtown Chico.
213
Comment
CAS-BOT-BC176602
Atriplex serenana var. serenana
Lowell Ahart
1981-9-10
3145
Butte
Gray Lodge, SW of Gridley
35
Comment
CAS-BOT-BC176604
Atriplex serenana var. serenana
Lowell Ahart
1981-7-26
3007
Butte
0.1 mile west of Pennington Road on dirt road that lead to the Gray Lodge Waterfowl Management Headquarters, ca 12 miles southwest 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
CHSC4394
Avena barbata
R. L. Smith
1966-5-15
Butte
Paradise, 5 mi sw of Post Office.
Comment
UCD56132
Avena barbata
P. B. Kennedy
1914-5-1
4752
Butte
Grade to Paradise.
Comment
SEINET10507661
Avena barbata
Lowell Ahart, James D. Jokerst
1985-3-24
Ahart 4856
Butte
Serpentine Point, west of Yankee Hill.
550
Comment
CAS-BOT-BC145880
Avena fatua
Lowell Ahart
1989-5-10
6217
Butte
Near a dirt road, near Lake Oroville, about 0.1 mile northwest of the West Branch Bridge across Lake Oroville.
289
Comment
CDA34623
Avena fatua
L. Ahart
2009-4-17
15553
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.
Comment
CHSC2123
Avena sativa
H. Silberman; D. Isaac
1949-5-17
Butte
Manzanita Ave., 4 mi. E. Chico.
57
Comment
CAS-BOT-BC66236
Azolla filiculoides
Lowell Ahart
1985-3-24
4850
Butte
south of Highway 70, at the intersection of Highway 70 and 191
100
Comment
CHSC90953
Azolla filiculoides
Lowell Ahart
2005-4-14
11703
Butte
East of the railroad tracks, in the stream at the railroad bridge, north of Spruce Street, Gridley.
28
Comment
CHSC40560
Baccharis douglasii
Lowell Ahart
1985-10-12
5196
Butte
Near the east side of Kunkle Reservoir, about 2 miles south of Paradise.
502
Comment
CAS-BOT-BC98183
Baccharis salicifolia
John Thomas Howell
1973-7-9
49687
Butte
West Branch Feather River on Feather River Highway - Sierra Nevada
304
Comment
CAS-BOT-BC98185
Baccharis salicifolia
Gordon H. True
1971-4-8
6450
Butte
Gray Lodge Wildlife Area, Valley Grassland, 7 miles southwest of Gridley.
24
Comment
CAS-BOT-BC27831
Balsamorhiza macrolepis
H. E. Brown
1897-4-15
208
Butte
Near Clear Crerek
53
Comment
CHSC43648
Barbarea verna
Vernon Oswald
1987-4-22
2340
Butte
Butte Creek Reserve on the n side of Butte Creek e of Hwy 99. On the edge of the creek.
68
Comment
CHSC3586
Bellis perennis
Susan Carrauthers
1966-3-1
22
Butte
City of Chico. Civic park between E. 4th and E. 5th Streets and Broadway and Main Street.
Comment
SEINET10473650
Bellis perennis
Mary Susan Taylor
Taylor 448
Butte
Campus of the California State University, Chico.
61
Comment
SBBG17205
Berberis aquifolium var. repens
M. Vincent
1961-3-31
12
Butte
0.5 mi W of Harrison Rd in open woods
Comment
CAS-BOT-BC75545
Berberis dictyota
A. A. Heller
1928-3-2
14479
Butte
Along Chico Creek east of Chico above the golf links.
Comment
CHSC31682
Bergia texana
L. Ahart
1974-7-19
553
Butte
Peter Ahart Ranch, Honcut.
45
Comment
SEINET3449099
Bergia texana
Unknown
2002-12-6
10021
Butte
Oroville, Oroville, about 12 miles south, Peter Ahart Ranch, about 2 1/8 miles north of Honcut, about 300 yards east of Palermo Honcut highway
20
Comment
CAS-BOT-BC102077
Bidens frondosa
Lowell Ahart
1974-9-30
s.n.
Butte
Peter Ahart Ranch, Honcut
Comment
CDA42925
Bidens frondosa
L. Ahart
2012-9-28
18458
Butte
Just east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
Comment
CHSC32369
Bidens frondosa
J. D. Jokerst
1979-11-13
1229
Butte
Table Mountain. Top of North Table Mountain, ca. 100 m N of Cherokee Rd at the E edge of the mountain.
396
Comment
CHSC38327
Bidens frondosa
Vernon H. Oswald
1983-8-26
1028
Butte
Upper Bidwell Park, Chico, at Horseshoe Lake.
100
Comment
CHSC35627
Blennosperma nanum
R. E. Preston
1982-2-18
166
Butte
Field on S side of Keefer Lane, ca. 1 mi W of Cohasset Hwy; ca. 6 mi N of downtown Chico.
97
Comment
UCD73334
Blennosperma nanum
Chuck Hughes
2008-3-26
25
Butte
North Table Mountain.
396
Comment
CHSC35651
Boechera breweri subsp. shastaensis
R. E. Preston
1982-4-7
235 B
Butte
Cape Horn, ca. 4 mi sw of Paradise. On cliff.
335
Comment
UC383601
Boechera rectissima
E. B. Copeland
1929-7-14
367
Butte
Jonesville
1550
Comment
CHSC32680
Boechera sparsiflora
M. S. Taylor
1981-3-24
3437
Butte
S side of Hwy 70, on ledges, ca. 1/4 mi w of Cresta Powerhouse, ca. 2 mi e of Pulga.
487
Comment
POM46122
Boisduvalia stricta
C. C. Bruce
1897-06
2000
Butte
[Unspecified]
Comment
CHSC110354
Bolboschoenus fluviatilis
B. Castro; Margie Graham
2006-8-24
1601
Butte
Sacramento Valley Ca 1 mi W of Hwy 99 and 3 mi NE of Richvale, just S of the Western Canal siphon in Cherokee Canal. On E side of canal ca 100 ft S of dirt road crossing the canal.
35
Comment
UCD140017
Bolboschoenus maritimus subsp. paludosus
Lowell Ahart
1981-11-6
3226
Butte
Gray Lodge, south-west of Gridley.
35
Comment
UC777275
Botrychium simplex
W. H. Wagner Jr.
1949-7-16
4610
Butte
1 mi NW of Jonesville (300 yds W of Willow Creek, just below dirt road parallel to it)
Comment
UC114848
Boykinia major
Mrs. R. M. Austin
July 1899
114
Butte
Butte Creek Colby; , Colby
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
SEINET10661802
Brachypodium distachyon
Lowell Ahart
1987-5-9
Ahart 5604
Butte
Along the road near the bridge across the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
305
Comment
SEINET10448437
Brassica geniculata
Lowell Ahart, Peter Ahart
1984-6-10
Ahart 4689
Butte
Along edge of a new subdivision road ca. 1 mi SE of Hurleton, 1/12 mi E of Oak Grove Cemetary, ca. 10 mi E of Oroville; Foothill Woodland; 500 m.
500
Comment
CHSC113380
Brassica nigra
Lowell Ahart
2014-4-9
19336
Butte
West edge of Pennington Road, at the intersection of Pennington Road and Colusa Highway, about 6 miles west of Gridley.
22
Comment
CHSC110133
Brassica rapa
L. P. Janeway
2012-3-30
10802
Butte
Sacramento Valley. West side of Hwy 99 about 30 m south of Comanche Creek and 1.0 km south of Skyway/East Park overpass; Chico.
66
Comment
CHSC33181
Brassica rapa
R. E. Preston
1981-1-20
34
Butte
On n bank of Western Canal, ca. 30 m e of Aguas Frias Rd., ca. 18.5 km s of Chico.
Comment
RSA724877
Brickellia californica
L. Ahart
2006-9-11
13335
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
CHSC33943
Brickellia greenei
M. S. Taylor
1981-7-10
4064
Butte
N side of Hwy 70 at Pulga Bridge. Ca. 20 mi NE of Oroville.
487
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
CHSC88979
Briza maxima
Christine Hantelman
2000-4-27
83
Butte
Around vernal pools on preserve between Oroville airport runway and Table Mountain golf course.
60
Comment
RSA768991
Briza maxima
L. Ahart
2010-5-16
16692
Butte
About 0.25 miles south of the parking area, North Table Mountain, about 4.5 air miles northeast of Oroville
369
Comment
CAS-BOT-BC145538
Briza minor
Lowell Ahart
1980-5-4
2217
Butte
Near Hurleton.
600
Comment
CHSC35632
Briza minor
R. E. Preston
1982-3-27
213
Butte
SE corner of Larkin Rd and Oro Dam Blve int, Oroville.
51
Comment
JEPS107332
Briza minor
Lowell Ahart
2005-4-14
11710 -A
Butte
East of the railroad tracks, north of Spruce Street, Gridley
28
Comment
SEINET10514397
Briza minor
A. Arthur Heller
1913-5-25
Heller 10762
Butte
Near Pents.
152
Comment
SEINET10901185
Briza minor
A. Arthur Heller
1914-4-14
Heller 11289
Butte
Hills 8 miles north of Oroville.
Comment
CDA13905
Brodiaea californica
G. F. Hrusa, T. D. Wilfred
1997-7-3
13985
Butte
Sierra Nevada; Above Little Butte Creek, N of Magalia. Immed. E of Holmwood Drive.
Comment
UCD139106
Brodiaea californica
Robert E. Preston
2003-5-11
2132 a
Butte
ca. 5.25 mile east of Durham, along Pentz Road, 0.65 mile east of Hwy 99.
74
Comment
SEINET8193961
Brodiaea congesta
M. J. Williams, W. Roderick
1984-5-25
84- 22 -8
Butte
Magalia, near Skyline road to Paradise.
168
Comment
CHSC49484
Brodiaea coronaria
Vernon Oswald
1986-5-12
2003
Butte
Goodspeed-Watt Rd. 2.6 mi n of Hwy 162.
30
Comment
CHSC71203
Brodiaea minor
Lowell Ahart
1988-6-9
7983
Butte
West of Cherokee Road, about 50 feet southwest of the cow chute along Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
403
Comment
RSA126000
Brodiaea minor
E. K. Balls
1957-5-23
22532
Butte
US Hwy 99 E, 1.7 mi NW from jct with road from Pentz.
91
Comment
RSA256664
Brodiaea minor
Dave Knorr
1974-4-20
124
Butte
On Pentz Road near intersection with Clark Road.
Comment
UC501524
Brodiaea minor
Frank W. Peirson
1926-6-21
6767
Butte
Humboldt Road Butte Meadows
Comment
CHSC116566
Brodiaea nana
B. Castro; Robin Carter
2016-4-14
2128
Butte
Sacramento Valley. Ca 1.9 air mi E of Hwy 99, 1.3 mi S of Hwy 162E and 1.2 mi SSW of the Oriville Airport, off N edge of SE portion of the Thermalito Afterbay, near S end of old Wilbur Road.
44
Comment
SEINET10506848
Bromus
Mary Susan Taylor
1981-5-1
Taylor 3581
Butte
T20N R3E center sec 26, Oroville quad. E side of Hwy 70, ca. 4 air mi NW of Oroville. Valley Grassland; 300 ft.
91
Comment
RSA700275
Bromus carinatus
L. Ahart
2004-8-2
11333
Butte
On both sides of the dirt County Road, between the Sky High Mine and Dresser Reservoir Dam, about 7 miles (air) southeast of Butte Meadows
1913
Comment
CHSC94309
Bromus carinatus var. carinatus
Lowell Ahart
2006-7-16
12976
Butte
West edge of a large meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1569
Comment
CDA31935
Bromus catharticus
L. Ahart
2009-5-8
15666
Butte
On the south side of the gravel road, about 10 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico.
Comment
CHSC2133
Bromus diandrus
H. Silberman; D. Isaac
1949-5-9
Butte
W. side of football field, CSC campus.
54
Comment
CHSC42849
Bromus diandrus
Lowell Ahart
1987-5-6
5549
Butte
Along the road, at the Poe Power House along the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap.
283
Comment
RSA754797
Bromus diandrus
L. Ahart
2009-5-8
15667
Butte
S side of gravel road, about 10 yards E of Cedar Grove Parking Area in Lower Bidwell Park, Chico
67
Comment
CAS-BOT-BC162460
Bromus laevipes
P. B. Kennedy
1914-5-1
4753
Butte
Grade to Paradise.
Comment
CHSC102173
Bromus laevipes
Lowell Ahart
2009-5-30
15804
Butte
On dry rocky soil, on the north side of Ten Mile House Road, just southeast of Guardians Trail, Upper Bidwell Park, about 1/4 mile west of the intersection of Highway32 and Ten Mile House Road, about 10 miles northeast of Chico.
425
Comment
CHSC102428
Bromus laevipes
Lowell Ahart
2009-6-19
15947
Butte
On dry rocky soil, on the north side of Ten Mile House Road, just north of Guardian's Trail, 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.
381
Comment
CHSC35754
Bromus laevipes
R. E. Preston
1982-6-2
295
Butte
At side of Nelson Bar Rd, at jct with dirt rd to Lime Saddle Powerhouse; ca. 4.5 mi se of Paradise.
292
Comment
CHSC87956
Bromus laevipes
Lowell Ahart
2004-6-22
11109
Butte
On the east margin of a gravel road, road leads to Butte Creek, south of Doe Mill Road, about 1/8 mile southwest of the bridge across Butte Creek, about 2 miles (air) southeast of Forest Ranch, about 5 miles (air) west of Stirling City.
692
Comment
UCD58892
Bromus laevipes
P. B. Kennedy
1914-5-1
4753 a
Butte
Grade to Paradise.
Comment
CAS-BOT-BC162365
Bromus madritensis
John Thomas Howell
1967-6-22
42622
Butte
Sierra Nevada. Magalia.
701
Comment
UCD59015
Bromus madritensis
John Thomas Howell; Gordon H. True
1967-6-11
42558
Butte
Sierra Nevada. On northwest side of Feather River Canyon near Pulga Bridge.
Comment
POM112249
Bromus orcuttianus
Marcus E. Jones
1897-7-9
s.n.
Butte
On Road from Prattville to Chico. near lehico [? handwriting difficult to decipher...]
915
Comment
UCD59073
Bromus orcuttianus
H. F. Copeland
1930-7-21
s.n.
Butte
Jonesville. By Butte Creek.
1524
Comment
UCR266717
Bromus orcuttianus
A. A. Heller
1917-7-26
12819
Butte
Butte Meadows
1402
Comment
CAS-BOT-BC161617
Bromus sterilis
Lowell Ahart
1983-7-29
4238
Butte
Sierra Nevada. Along the edge of the dirt road, ca. 0.5 mile east of Milsazp Bar, ca. 25 miles northeast of Oroville.
500
Comment
CAS-BOT-BC161502
Bromus tectorum
A. A. Heller
1919-5-17
13163
Butte
Banks of the Feather River near Stirling.
Comment
CAS-BOT-BC161504
Bromus tectorum
Lowell Ahart
1982-6-4
3531
Butte
Sierra Nevada. Ca. 1.5 mile east of Camp 18, ca. 8 miles east of Feather Falls.
1000
Comment
UCSB63746
Bulbostylis capillaris
Ahart, Lowell
1998-7-1
Butte
Margins of a small stream, below or west of a large seep, west of the lone oak tree, west of the cow chute on the west side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville
396
Comment
CHSC3584
Buxus sempervirens
Susan Carrauthers
1966-2-26
20
Butte
City of Chico. E. 5th and Olive Streets.
Comment
CHSC59041
Calamagrostis canadensis
Lowell Ahart
1992-7-26
6848
Butte
Near a small stream, about 1/2 mile north of the Carr Mine, about 2 (air) miles south of Snow Mountain.
1767
Comment
JEPS122232
Callitriche heterophylla var. heterophylla
Lowell Ahart
2014-4-26
19415
Butte
On the south side of Butte City Highway (Highway 162), collected from the railroad to the east about 200 yards, east of the Rice Experiment Station.
Comment
CAS-BOT-BC80357
Calocedrus decurrens
Lowell Ahart
1987-8-8
5854
Butte
near North Honcut Creek, about 2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville
67
Comment
CHSC3348
Calocedrus decurrens
Robert L. Smith
1966-4-23
18
Butte
Bull Run Rd. 5 miles W of Butte Meadows.
Comment
CHSC40593
Calocedrus decurrens
Lowell Ahart
1985-9-18
5168
Butte
About 2 miles west of Sly Creek Reservoir, east of the intersection of Golden Trout Crossing road on Reville Ridge.
914
Comment
SEINET175334
Calocedrus decurrens
E. B. Copeland
1931-7-28
603
Butte
On ridge W of North Willow Creek Jonesville
1650
Comment
CHSC2223
Calochortus albus
N. Maxwell
1929-4-24
Butte
Centerville Road.
152
Comment
HSC38016
Calochortus albus
Thomas W. Nelson, Jane P. Nelson
1976-5-10
2476
Butte
S facing slope beside Hwy. 191, 1 mi. W of Paradise
Comment
SEINET12046804
Calochortus albus
D. J. Funk
1976-1
17
Butte
ca 5 ft W of Humbug Rd & 150 yd NW of covered bridge on Butte Creek, 6.4 mi ESE of Chico
110
Comment
CAS-BOT-BC487813
Calochortus coeruleus
Saichi Kawahara
1968-5-4
367
Butte
James ripley's property, Graham Road, Paradise
640
Comment
CAS-BOT-BC489975
Calochortus leichtlinii
E. B. Copeland
1929-7-17
352
Butte
Above Jonesville.
2000
Comment
CHSC10725
Calochortus luteus
Lowell Ahart
1966-5-7
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CHSC51939
Calochortus luteus
Carl W. Dobson
1980-4-12
10
Butte
Ca 15 uds N of dirt rd atop Musty Buck Ridge, 0.5 mi N of Big Chico Cr, 5.0 mi ENE of Chico.
231
Comment
CAS-BOT-BC491862
Calochortus luteus
Lewis S. Rose
1945-5-12
45047
Butte
Richardsons Springs
304
Comment
CAS-BOT-BC491864
Calochortus luteus
Lowell Ahart
1980-5-4
2187
Butte
Thermalito, Valley grassland
Comment
CHSC108803
Calochortus monophyllus
Lowell Ahart
2012-4-9
17847
Butte
Near a small drainage, about 5 feet east of South Rim Trail, south part of Upper Bidwell Park, about 2 1/2 miles (air) northeast of Chico.
206
Comment
UC119761
Calochortus monophyllus
Mrs. R. M. Austin
May 1883
191
Butte
Little Chico Creek
Comment
UC311628
Calochortus monophyllus
Mrs. B. O. Clark
1915-4-12
213
Butte
near Paradise (in the lower Sierra Nevada); Sierra Nevada
600
Comment
UCR190818
Calochortus monophyllus
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
RSA32826
Calochortus monophyllus
A. A. Heller
1940-4-29
15565
Butte
Edge of thickets on the Clark Road about 2 miles west of Paradise
Comment
CHSC25014
Calochortus nudus
E. B. Copeland
1929-7-21
353
Butte
Jonesville.
1550
Comment
POM109552
Calochortus nudus
C. C. Bruce
1898-05
2405
Butte
Dye place
Comment
POM219307
Calochortus nudus
H. F. Copeland
1931-6-9
1513
Butte
Jonesville.
1524
Comment
CHSC46428
Calochortus superbus
Lowell Ahart
1989-5-28
6297
Butte
South of Oregon Gulch Road, about 1/2 mile north of the Cementery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville.
335
Comment
CHSC25402
Calycadenia ciliosa
M. P. Hayes
1977-9-11
56
Butte
Exactly 3.5 mi E of the Hwy 99 overpass on Hwy 32 in Chico, ca 3-10 m S of the road.
137
Comment
CHSC38330
Calycadenia ciliosa
Vernon H. Oswald
1983-8-10
976
Butte
Upper Bidwell Park, Chico, ca. 1400 ft N of Upper Park Rd. along the trail up to the north rim near the power lines.
152
Comment
UCD129684
Calycadenia fremontii
Gerald D. Carr
1971-6-15
561
Butte
1.6 miles west of east boundary of Upper Bidwell Park, southeast of Chico.
Comment
CDA42962
Calycadenia multiglandulosa
L. Ahart
2013-7-1
18817
Butte
About 150 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown.
Comment
CHSC46914
Calycadenia multiglandulosa
Lowell Ahart
1980-6-19
2390
Butte
Along the edge of Swedes Flat Road, about 1/8 mile east of Rocky Honcut Creek, about 2 1/2 miles east of the Bangor Oroville Highway, northeast of Bangor.
304
Comment
UC1971669
Calycadenia multiglandulosa
1977-7-6
2036
Butte
2.1 mi SE of the Quincy-Oroville/Olive Hwy (162), on Forbestown Road (at milepost 59.35, C. oppositifolia (RLC2037) ca. 200 yds E
427
Comment
CAS-BOT-BC106079
Calycadenia oppositifolia
A. A. Heller
1940-6-5
15702
Butte
Jarbo Pass on the Feather river Highway east of Oroville
609
Comment
CAS-BOT-BC106121
Calycadenia oppositifolia
Lowell Ahart
1979-5-29
s.n.
Butte
2 1/2 mi se of Paradise, in an open area about 1/4 mi N of Kunckle Res.
500
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
CHSC84732
Calycadenia oppositifolia
L. P. Janeway; John Hunt
2003-6-20
7854
Butte
Northern Sierra Nevada Foothills. Along west edge of West Branch Feather River arm of Lake Oroville, 755 m north of Lime Saddle.
277
Comment
CHSC86592
Calycadenia oppositifolia
L. P. Janeway; John Hunt
2003-7-11
7897
Butte
Northern High Sierra Nevada. Above northeast edge of North Fork Feather River arm of Lake Oroville, 1200 m north of mouth of French Creek.
305
Comment
JEPS20316
Calycadenia oppositifolia
Lewis S. Rose
1955-6-15
55106
Butte
3 mi e Pentz; West Branch of North Fork of Feather River
182
Comment
SBBG128090
Calycadenia oppositifolia
J. Dittes, L. Ahart, S. Green, J. Guardino
2003-5-27
2003 -32
Butte
Cascade Range foothills, upper Bidwell Park, ca. 6.7 air-mi NE of Chico, 2.5 air-mi NE of Horseshoe Lake, on cut rd bank and slope on N side of main rd, just W of Parking Lot-R
228
Comment
UC1876184
Calycadenia oppositifolia
Gerald D. Carr
1971-6-15
564
Butte
0.7 mi W of Paradise, S side of Chico-Paradise Hwy.
Comment
CHSC30937
Calycadenia spicata
L. Ahart
1980-7-4
2447
Butte
SE of the jct of Nelson Ave and 20th St. in Thermalito.
65
Comment
CHSC38332
Calycadenia truncata
Vernon Oswald
1983-5-30
573
Butte
Upper Bidwell Park, Chico, on the north rim ca. 200 ft W of the power lines.
231
Comment
UC913063
Calycadenia truncata
David D. Keck and J. Clausen
1935-6-25
3778
Butte
2.2 mi s, on road to Yankee Hill Flea Valley
Comment
SEINET10904845
Calycadenia truncata subsp. scabrella
Mary Susan Taylor
1979-10-5
Taylor 2231
Butte
T23N R4E sec 18. SE side of Paradise Lake (from picnic area to first creek coming into lake, along road), ca. 0.5 mi N of Coutolenc Rd, ca. 5 mi N of Magalia.
732
Comment
CAS-BOT-BC275376
Calycadenia truncata var. truncata
H. M. Hall
1914-7-18
9756
Butte
Little Chico Creek
152
Comment
SFV1339
Calycanthus occidentalis
M. L. Vincent
1960-7-18
54 A
Butte
Sierra Nevada 0.5 miles west of 5330 Harrison Road in Paradise.
530
Comment
SEINET10535836
Calycanthus occidentalis
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4104
Butte
T21N R5E se/se sec 32. Ca. 1/8 mi e of jct of Oroville-Quincy Hwy & Ponderosa Way (Big Ridge Rd), ca. 15 mi ne of Oroville. Foothill Woodland.
500
Comment
CHSC43717
Calyptridium monospermum
Vernon Oswald
1983-6-22
727
Butte
Calif. Hwy. 32 2.8 mi n-e of Forest Ranch.
899
Comment
UC203617
Calyptridium monospermum
A. A. Heller
1914-6-24
11512
Butte
w side of Sierra Nevada at West Branch; Sierra Nevada
1036
Comment
UCD100350
Calyptridium monospermum
Alva Day
1939-5-31
s.n.
Butte
Mooretown.
Comment
CHSC12006
Calyptridium umbellatum
E. B. Copeland
1930-7-12
Butte
Above Jonesville.
2000
Comment
CHSC45387
Calyptridium umbellatum
Vernon Oswald
1984-7-2
1336
Butte
Humbug Summit. Growing on forest floor along the road.
2320
Comment
JEPS113315
Calystegia atriplicifolia subsp. buttensis
L. P. Janeway
2006-6-25
8695
Butte
Northern High Sierra Nevada/High Cascade Range. 1.1 km north of De Sable Reservoir, where Ponderosa Way (Understock Road) crosses the confluence of Butte Creek Canal and Hendricks Canal.
Comment
CHSC46784
Calystegia occidentalis
R. A. Schlising
1983-6-9
4424
Butte
Along Hwy 32, 0,8 miles S of Nopel Road crossroad in Forest Ranch.
Comment
CHSC46810
Calystegia occidentalis subsp. occidentalis
M. S. Taylor
1982-6-24
4724
Butte
E side of Ponderosa Way (Rim Rd), 1.3 mi N of its jct with Hwy 70 at Jarbo Gap.
853
Comment
CHSC34980
Calystegia occidentalis subsp. occidentalis
R. A. Schlising
1974-6-9
3139
Butte
S of Cohasset; 4.2 mi NE of Keefer Road, along Cohasset Road.
Comment
CHSC443
Calystegia occidentalis subsp. occidentalis
M. Roberson
1956-5-28
Butte
Near Paradise along Skyway.
548
Comment
UC1601755
Calystegia occidentalis var. tomentella
E. B. Copeland
July, 1930
Butte
Jonesville
Comment
UC2026860
Camellia reticulata
Lowell Ahart, John Dittes, Josephine Guardino
2012-4-6
17805
Butte
On the north side of Big Chico Creek, Lost Park in Bidwell Park, City of Chico.
Comment
POM38057
Camissonia contorta
C. C. Bruce
1897-6-1
2070
Butte
[Unspecified]
Comment
RSA456171
Campanula prenanthoides
H. F. Copeland
599
Butte
Jonesville.
1524
Comment
SEINET10463077
Campanula prenanthoides
Mary Susan Taylor
1980-9-12
Taylor 3336
Butte
T24N R3E nw sec 21, Paradise quad. W side of Hwy 32, ca. 3 mi N of Forest Ranch, near Forest Ranch Fire Control Station; Yellow PIne Forest.
975
Comment
SEINET10972401
Campanula prenanthoides
Dunning
1921-8-25
DUNNING s.n.
Butte
Merrimac
Comment
CHSC11084
Capsella bursa-pastoris
Lowell Ahart
1965-3-10
Butte
Peter Ahart Ranch, Honcut.
36
Comment
CHSC35028
Capsella bursa-pastoris
Linyi Maslin
1981-2-25
3
Butte
Upper Bidwell Park near Horseshoe Lake, Chico.
72
Comment
CHSC19924
Cardamine californica
M. S. Taylor
1975-3-3
402
Butte
Dam area, ca. 1/4 mi n of Richardson Springs camp, ca. 8 mi n of Chico.
91
Comment
CHSC498
Cardamine californica
P. Delaplane
1965-3-2
66
Butte
Found ca. 100 yds. from covered bridge on Honey Run Rd. ca. 8 mi. SE of Chico.
304
Comment
UC1609149
Cardamine nuttallii
Vernon H. Oswald and Lowell Ahart
1993-4-21
5293
Butte
Path along Butte Creek Canal ca 1.0 mi n of its jct with Hendricks Canal (n of De Sabla); along Butte Creek Canal, n of De Sabla
853
Comment
CHSC32682
Cardamine oligosperma
M. S. Taylor
1981-3-24
3444
Butte
S side of Hwy 70, just w of Heinz Creek, ca. 1 mi w of Pulga.
487
Comment
CHSC87446
Cardamine oligosperma
R. D. Fischer; Jenny Marr
2004-4-2
80
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Found along Guardian Trail, south of Pine Trail junction.
399
Comment
CDA6886
Carduus pycnocephalus
T. C. Fuller
1959-7-6
2744
Butte
Feather River drainage - 5 miles south of Oroville.
0
Comment
CHSC112201
Carduus pycnocephalus subsp. pycnocephalus
Lowell Ahart
2013-4-20
18548
Butte
On a dredge pile, in Wilson Creek, about 40 yards southwest of the oak trees, about 1/2 mile north of the barn, about 3/4 mile north of the Honcut Cemetary, about 3 3/4 miles (air) northeast of Honcut.
49
Comment
JEPS127001
Carduus pycnocephalus subsp. pycnocephalus
Lowell Ahart
2016-5-24
20843
Butte
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
CHSC77165
Carex
G. F. Hrusa; T. D. Wilfred
1997-5-7
13737
Butte
In riparian zone of Little Butte Creek above Magalia Reservoir, N of Magalia, immed. E of Holmwood Drive. [Lat./Long. on label is '39 51 N; 121 34 W'].
720
Comment
CAS-BOT-BC18212
Carex
Lowell Ahart
1985-6-30
5078
Butte
East of the dirt road to the Forbestown Res., about 2.5 miles northeast of Forbestown.
868
Comment
SEINET10935491
Carex
Mary Susan Taylor
1981-5-6
Taylor 3626
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
CAS-BOT-BC32414
Carex abrupta
Amos Arthur Heller
1913-6-7
10820
Butte
West Branch of the North Fork of the Feather River near Stirling
914
Comment
JEPS116030
Carex amplifolia
Lowell Ahart
2009-6-30
15974
Butte
On the bottom of a deep ditch, on the east side of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
209
Comment
CAS-BOT-BC17907
Carex angustata
L. P. Janeway; R. A. Schlising; B. Castro; F. Jay Fuller
1988-7-11
2986
Butte
At Crane Valley (upper Big Kimshew Creek).
1569
Comment
CAS-BOT-BC17975
Carex aquatilis
J. D. Jokerst; R. A. Schlising
1982-6-4
1590
Butte
Along the edges of Concow Creek at its headwaters. South of and adjacent to Flea Valley.
1097
Comment
SEINET10927860
Carex aurea
Mary Susan Taylor, Lowell Ahart
1982-8-15
Taylor 4191
Butte
T25N R5E SW1/4 SE1/4 Sec 35. Joneville SW quad. S side of Coon Hollow Rd in moist spot, 1.1 mi E of its jct with Humbug Rd. 12 mile NE of Stirling City. With Perideridia howellii, Hypericum anagalloides.
1676
Comment
CAS-BOT-BC19200
Carex barbarae
Lowell Ahart
1980-5-12
2257
Butte
Honcut. Peter Ahart Ranch.
50
Comment
CAS-BOT-BC19201
Carex barbarae
Lowell Ahart
1977-5-20
s.n.
Butte
Sierra Nevada. Honcut. Peter Ahart Ranch. Along North Honcut Creek.
50
Comment
OBI69227
Carex barbarae
Kari Fisher
2000-11-10
45
Butte
Chico State Campus, along Big Chico Crk
79
Comment
CHSC46857
Carex bolanderi
R. A. Schlising; P. Broyles
1988-7-3
4564
Butte
SE of Stirling City, past '5 corners' at small stream.
Comment
SEINET7552619
Carex bolanderi
Lawrence P. Janeway, Marcia Waterway; Martin Lechowicz
2006-8-3
8824
Butte
Northern High Sierra Nevada; pond below Lumpkin Ridge Road about 10km east of Feather Falls and about 1.0km southwest of Lumpkin Ridge Road junction with road to Cascade and Fall River; near head of western branch of Know-nothing Creek; Rooted in soft muddy muck in shady cove of the pond; Clipper Mills 7.5' quad
1209
Comment
CAS-BOT-BC34373
Carex cusickii
L. P. Janeway
1988-7-29
3110
Butte
Meadow on south side of Butte Creek 0.5 mile west of Cherry Hill.
1402
Comment
CHSC107578
Carex cyrtostachya
Lowell Ahart
2011-8-19
17639
Butte
On the north side of a good forest road, about 1/2 mile north of the Lost Creek Reservoir dam, about 4 1/2 miles (air) north of Clipper Mills.
1266
Comment
CHSC51509
Carex densa
J. D. Jokerst
1980-4-19
620
Butte
Roadside seep, side of Humbug Road 7.4 miles north of Centerville Cemetery, canyon of Butte Creek.
Comment
CHSC53709
Carex feta
L. P. Janeway
1987-5-20
2077
Butte
Soggy drainage along Hwy 70 2.1 mi NE of Pulga bridge, near Heinz Creek.
457
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
CHSC92414
Carex feta
Robert F. C. Naczi; Lawrence P. Janeway
2004-7-23
10502
Butte
Ca. 3 mi SSE of village of Butte Meadows, along Coon Creek at its crossing by the Skyway (county road 51262). (WGS84)
1551
Comment
UCSB63767
Carex feta
Janeway, L.
1995-7-16
Butte
Kimshew Point quad., T24N, R4E, SE 1/4 of SW 1/4 of sec. 13; 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
CHSC47061
Carex fracta
L. P. Janeway
1989-5-17
3247
Butte
Cyn overlook (S Fk Feather River) along rd to Forbestown Diversion Dam 3.7 mi from Forbestown Rd.
693
Comment
POM213963
Carex fracta
H. F. Copeland
1930-7-21
1367
Butte
Jonesville.
1524
Comment
CHSC110987
Carex gracilior
Lowell Ahart
2012-5-17
18085
Butte
On both sides of the horse trail, 10 to 50 feet north of the poor dirt road, about 100 feet south of Larch, south of Vallombrosa Avenue, Lower Bidwell Park, Chico.
73
Comment
CHSC84751
Carex gracilior
L. P. Janeway; John Hunt
2003-5-8
7782
Butte
Sacramento Valley. North end of Chico; along Sycamore Creek 160 m west of Cohasset Road bridge.
56
Comment
SEINET4286076
Carex integra
Unknown
2009-1
s.n.
Butte
Near Cornelia Lott Sank Memorial Spring.
Comment
CHSC44931
Carex laeviculmis
Lowell Ahart
1988-7-31
6154
Butte
Road gutter, north of a small stream, 1 1/2 air miles west and a little south of Bald Mountain, about 3 air miles north-east of Stirling City.
1066
Comment
UC689958
Carex laeviculmis
P. L. Johannsen
1936-7-17
950
Butte
3 mi se Butte Meadows; Paynes Creek Quadrangle
1554
Comment
CHSC113960
Carex lemmonii
Lowell Ahart
2014-7-16
19676
Butte
North part of a large wet meadow (some bog), about 50 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1638
Comment
CHSC44997
Carex lemmonii
S. C. Morey
1983-8-4
704
Butte
Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows.
1292
Comment
SEINET10710071
Carex lemmonii
Vernon H. Oswald
1988-6-17
Oswald 3403
Butte
T20N R7E se/ne/S13, Yellow Pine Forest. Pinkard Creek ca. 1.5 mi n of Lost Creek Reservoir. Small part of tufted sedge growing along the edge of the creek where it flows through a large meadow developed on impounded tailings from placer and hydraulic mining upstream.
1067
Comment
SEINET7485364
Carex lemmonii
L. P. Janeway
13/VII/2003
7902
Butte
High Cascade Range. Meadow along southeast side of Humbug Summit Road, at the Cornelia Lott Sank Memorial Spring.
Comment
CHSC42337
Carex limosa
L. P. Janeway; R. A. Schlising, B. Castro, Pauleen Broyles
1987-7-19
2507
Butte
Southernmost pond on slopes on south side of Coon Hollow.
1767
Comment
JEPS109228
Carex limosa
D. W. Taylor
2004-7-21
19202
Butte
Coon Hollow, pond north of Forest road 26N15 (High Lakes Road) 1.8 miles E of junction of Forest Service 25N05.
Comment
CHSC105669
Carex luzulina var. ablata
Lowell Ahart
2010-9-21
17219
Butte
Under red fir trees, open meadow-like area, near a poor camp, 30 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrook Reservoir.
1917
Comment
SEINET12649574
Carex luzulina var. ablata
Lowell Ahart
2010-1
17219
Butte
1918
Comment
RSA325125
Carex multicaulis
M. S. Taylor
1981-3-24
3435
Butte
Two mile stretch along both sides of Feather River Highway (70), just NE of Pulga to Cresta Powerhouse, ca. 20 miles NE of Oroville.
518
Comment
CHSC52256
Carex nebrascensis
L. P. Janeway; R. A. Schlising, B. Castro, Pauleen Broyles
1987-7-19
2496
Butte
Coon Hollow, 1.0 mi SE of the Humbug Summit Rd. Gently sloping meadows on N side of the creek.
1661
Comment
SEINET10949555
Carex nebrascensis
A. Arthur Heller
1914-6-22
Heller 11494
Butte
Chico Meadows.
1219
Comment
CAS-BOT-BC119723
Carex nervina
L. P. Janeway
1987-7-4
2423
Butte
Kimshew Point quad. Seepy area along road to Jones Meadow, 9.6 mi from Inskip.
1935
Comment
UC1108039
Carex nervina
H. F. Copeland
1932-8-22
Butte
Butte Creek Crest Butte Creek
Comment
JEPS105632
Carex nudata
L. P. Janeway
2003-5-11
7783
Butte
High Cascade Range. Along west edge of Butte Creek, 700 m south-southwest of the Ponderosa Way bridge (Forks of Butte); just upstream of the diversion structure
588
Comment
UC182750
Carex nudata
A. A. Heller
1913-6-7
10818
Butte
near Stirling (West Branch of the North Fork of the Feather River)
914
Comment
CHSC44695
Carex pellita
L. P. Janeway
1988-7-29
3112
Butte
Mdw on S side of Butte Cr 1/2 mi W of Cherry Hill.
1402
Comment
CHSC88363
Carex pendula
L. P. Janeway
2004-6-20
8137
Butte
Sacramento Valley. South end of Chico; along edge of Comanche Creek at the bicycle bridge (former railroad bridge) about 150 m southeast (upstream) of the Midway (road) bridge across the creek.
59
Comment
JEPS106524
Carex pendula
L. P. Janeway
2004-6-20
8137
Butte
Sacramento Valley. South end of Chico; along edge of Comanche Creek at the bicycle bridge (former railroad bridge) about 150 m southeast (upstream) of the Midway (road) bridge across the creek
59
Comment
JEPS120083
Carex pendula
Lowell Ahart
2012-5-31
18116
Butte
On the north side of Comanche Creek, on the east side of Highway 99, Chico.
Comment
CHSC44950
Carex praegracilis
L. P. Janeway
1988-7-2
2943
Butte
Marsh/mdw at upper reach of Brush Creek, ca 1.5 mi S of 'town' of Brush Creek.
952
Comment
CHSC44952
Carex praegracilis
L. P. Janeway
1988-6-14
2762
Butte
Northwest side of cyn of Little Chico Cr ca 2 air mi S of Ten Mile House.
259
Comment
SEINET8573590
Carex specifica
L. Janeway, Gog, L
2008-1
3200
Butte
Scott's John Creek. Intersection with Rd 26N27.
Comment
UC1609335
Carex stipata var. stipata
Lowell Ahart
1993-7-6
7051
Butte
about 1/4 mi w Lost Creek Reservoir (on the n side of the dirt road)
1036
Comment
CHSC44169
Carex straminiformis
V. Oswald; L. Ahart
1988-7-29
3647
Butte
Ca. 5 mi (air) se of Jonesville on the ridge running eastwards from the peak of Snow Mtn.
2097
Comment
CAS-BOT-BC116740
Carex subfusca
A. A. Heller
1915-6-25
12018
Butte
Chico Meadows in the Sierra Nevada.
1219
Comment
CHSC84709
Carex subfusca
L. P. Janeway
2003-6-8
7821
Butte
High Cascade Range. Flea Valley: meadow at head of Concow Creek.
1100
Comment
SEINET259924
Carex subfusca
M. S. Taylor
1978-7-21
1812
Butte
On S side of Oroville-Quincy Hwy ca. 14 mi N of Lake Madrone ca. 24 mi NE of Oroville
1463
Comment
CHSC47143
Carex vesicaria
Henricus Jansen
1989-7-15
Butte
Snag Lake.
Comment
UCD140189
Carex xerophila
G. F. Hrusa; T. D. Wilfred
1997-5-7
13726
Butte
Sierra Nevada. Near summit of SSE slope above Little Butte Creek, N of Magalia. Immediately east of Holmwood Drive.
750
Comment
CHSC115441
Carpenteria californica
M. Sutton
2013-4-7
37
Butte
Kristina's house. Corner of 3rd and Oleander.
61
Comment
CHSC4604
Castanea dentata
J. Potter
1967-6-30
314
Butte
Catkins axillary near the ends of branches. Trees lining Sowilleno between Citrus and Arbutus, Chico State College Campus.
Comment
CAS-BOT-BC248998
Castilleja
Mrs. H. C. Cantelow
1941-5-25
s.n.
Butte
2 miles west of Arch Rock, Feather River Canyon, on State highway 24
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
CHSC77494
Castilleja affinis subsp. affinis
Tim Stofer
1997-4-12
9
Butte
Located on the east side of trail. 1/4 mi. from the shooting range of the South Rim Trail off South Park Dr. in upper Bidwell Park.
76
Comment
CAS-BOT-BC249589
Castilleja applegatei subsp. pinetorum
Clarence R. Quick
1964-7-9
64 -58
Butte
North of Jarbo Gap
Comment
CHSC24676
Castilleja applegatei subsp. pinetorum
C. E. Stopher
1976-4-15
21
Butte
1.6 km nw of Forest Ranch.
579
Comment
CHSC55411
Castilleja applegatei subsp. pinetorum
Dennis W. Morris
1991-4-7
12
Butte
9 mi northeast of Chico at Hwy 32 and Crown Point Road; west side of Crown Point Road.
502
Comment
CHSC77446
Castilleja applegatei subsp. pinetorum
Laura Bogni
1997-4-5
14
Butte
Magalia grove. West side of Coutelenc Rd.; 1 mi. due W of Swamill Peak; 1/2 mi. SE of Magalia Reservoir.
701
Comment
CHSC31820
Castilleja attenuata
L. Ahart
1974-4-11
375
Butte
Peter Ahart Ranch, Honcut.
45
Comment
UCSB63618
Castilleja attenuata
Holloway, Steve
1986-4-12
Butte
100 m of Chico Municipal Airport; Richardson Springs Quadrangle; NE 1/4; Sec. 27, T23N, R1E
102
Comment
CHSC47694
Castilleja campestris subsp. campestris
Lowell Ahart
1978-5-1
1689
Butte
Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
JEPS124106
Castilleja lacera
Lowell Ahart
2015-5-27
20193
Butte
About 100 yards south of the intersection of Forbestown Road and Black Bart Road, about 3 miles (air) southwest of Forbestown, about 11 miles (air) east of Oroville.
Comment
SEINET12291098
Castilleja linariifolia
Unknown
5
s.n.
Butte
no further locality
Comment
CHSC1724
Castilleja pruinosa
H. Summers
1929-3-11
Butte
Richardson Springs Road.
152
Comment
CHSC49013
Castilleja tenuis
Vernon Oswald; Lowell Ahart
1987-7-1
3048
Butte
Scotts John Rd. at 'Big Rock Meadow,' 1.0 mi n of the road connectiong Humbolt and Humbug Rds, ca. 2.5 mi ene of Jonesville.
1780
Comment
CHSC58960
Castilleja tenuis
Lowell Ahart
1992-7-29
6883
Butte
About 1 mile north-east of the Carr Mine, about 3/4 mile north-west of Lotts Lake.
1798
Comment
UC128777
Castilleja tenuis
Miss Kate Conger
1907-1
Butte
Brush Creek
Comment
UC1594630
Castilleja tenuis
Lowell Ahart
1992-7-29
6883
Butte
about 0.75 mi nw Lotts Lake (about 1 mi ne of the Carr Mine)
1798
Comment
UC426965
Castilleja tenuis
E. B. Copeland
1930-6-28
470 A
Butte
Scotch John meadow Scotch John meadow, Jonesville; Jonesville
1700
Comment
CHSC60665
Caulanthus lasiophyllus
Vernon H. Oswald; James Snowden
1993-4-7
5251
Butte
Near the SE rim of Hamlin Canyon E of the cattle barns on the McKnight Ranch, E side of Hwy. 99 between Durham-Pentz and Neal roads, S of Chico.
182
Comment
CAS-BOT-BC49179
Ceanothus cuneatus
Lewis S. Rose
1931-3-28
s.n.
Butte
Oroville
Comment
UC224215
Ceanothus cuneatus var. cuneatus
H. E. Brown
Mar 2 1897-Mar 22 1897
157
Butte
near Clear Creek
53
Comment
CAS-BOT-BC50777
Ceanothus integerrimus
E. B. Copeland
1929-7-14
383
Butte
Jonesville
1650
Comment
CHSC81549
Ceanothus integerrimus
Julie Rose
2000-4-25
89
Butte
6.8 miles on Hwy 32 East to Green Gate. At the beginning of the trail.
365
Comment
RSA755044
Ceanothus integerrimus
L. Ahart
2009-5-15
15693
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
JEPS123821
Ceanothus integerrimus var. macrothyrsus
Lowell Ahart
2015-4-18
20054
Butte
About 1/4 mile southwest of the Forbestown Reservoir, about 3 1/2 miles (air) northeast of Forbestown.
Comment
POM85959
Ceanothus integerrimus var. macrothyrsus
C. C. Bruce
1897-05
1814
Butte
Iron Canyon
Comment
CAS-BOT-BC51150
Ceanothus lemmonii
Lowell Ahart
1980-3-26
2064
Butte
Near Hurleton. Foothill Woodland
600
Comment
CAS-BOT-BC51727
Ceanothus lemmonii
H. L. Mason
1927-5-19
3714
Butte
Cherokee mine, Table Mountain Northeast of Oroville
Comment
CHSC30308
Ceanothus lemmonii
M. S. Taylor
1980-5-27
2736
Butte
On n side of Bald Rock Rd, ca. 0.5 mi e of Big Bald Rock, ca. 4 mi e of Lake Madrone.
975
Comment
CHSC31411
Ceanothus lemmonii
Debra Dockrey
1980-4-21
4
Butte
Ca 10 mi n of Chico.
426
Comment
SEINET10493644
Ceanothus lemmonii
Mary Susan Taylor
1980-5-8
Taylor 2593
Butte
T24N R3E e half nw sec 33. Paradise quad. Ca. 3 mi N of Forest Ranch, ca. 1 mi E of Hwy 32; area soon to be deve loped; Yellow Pine Forest.
853
Comment
UC175603
Ceanothus lemmonii
A. A. Heller
1913-6-7
10810
Butte
near Stirling
1074
Comment
CAS-BOT-BC52002
Ceanothus prostratus
A. A. Heller
1915-6-11
11971
Butte
Chico Meadows in the Sierra Nevada
1219
Comment
CHSC39787
Ceanothus prostratus
Eloise Gallatin
1935-5-4
Butte
Above Forest Ranch.
Comment
CHSC55405
Ceanothus prostratus
Charlie Crannell
1991-4-13
1
Butte
Forest Ranch; west of intersection of Doe Mill Road and Garland Road.
865
Comment
SEINET10493653
Ceanothus prostratus
Mary Susan Taylor
1974-4-30
Taylor 196
Butte
Along Cohasset Road, NE of Chico.
Comment
CAS-BOT-BC52419
Ceanothus velutinus var. velutinus
E. B. Copeland
1930-6-29
424
Butte
Jonesville
1550
Comment
CHSC6012
Cedrus deodara
M. MacArthur
1968-6-19
252
Butte
Lawn in front of CAC and next to NE end of Library bld., Chico State College.
60
Comment
CDA20042
Centaurea maculosa
E. Finley
2002-8-23
PDR 1140326
Butte
Northern California; Humboldt Rd, 1.7 mi from SR32.
0
Comment
CDA34637
Centaurea solstitialis
L. Ahart
2009-6-3
15953
Butte
Open area west of the Guardian Rock Trail, about 120 yards north of Pine Trail, about 3/8 mile (air) southwest of the intersection of Ten Mile House Road and Highway 32, Upper Bidwell Park, about 10 miles northeast of Chico.
Comment
CHSC116109
Centaurea solstitialis
Lowell Ahart
2015-10-9
20542 A
Butte
West edge of Bull Hill Road, about 3/4 mile northwest of the intersection of Bull Hill Road, Skyway, and Humbug Road, about 4 miles (air) north of Inskip.
1697
Comment
CHSC3352
Centaurea solstitialis
Robert L. Smith
1966-5-16
6
Butte
Skyway, 6 miles E of Chico.
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
CHSC8752
Centaurium tenuiflorum
S. Chulasmai
1966-5-20
37
Butte
Helocrine Spring. Upper Bidwell Park, roadside.
Comment
SFV10906
Centaurium venustum
M. L. Vincent
1967-6-25
668
Butte
Cherokee Road to Oroville. Table Mountain.
Comment
CHSC66662
Centromadia parryi subsp. rudis
Vernon H. Oswald; Lowell Ahart
1996-7-22
8096
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 edge of the public access parking lot on Seven Mile Lane, adjacent to the SE corner of Tract 2, Sanctuary II.
33
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
JEPS12459
Cephalanthus occidentalis var. californicus
H. A. Dutton
1921-1
Butte
Hooker Oak Chico (Chico)
Comment
CHSC100963
Cerastium glomeratum
Lowell Ahart; Josephine Guardino, Steve Green
2009-2-20
15494
Butte
Near the north side of Cedar Grove, Lower Bidwell Park, Chico.
67
Comment
JEPS94119
Cerastium glomeratum
Lowell Ahart
1998-5-30
7962
Butte
ca. 7 mi. (air) n. Oroville (ca. 200 yards n.w. of the lone oak tree, n.w. of the cow chute along Cherokee Rd.)
403
Comment
CAS-BOT-BC388255
Cerastium glomeratum
A. A. Heller
1915-5-28
11915
Butte
Near Cohasset
Comment
SEINET4855320
Cerasus obliqua
H. E. Brown
1896-10-2
117
Butte
Near Oroville.
53
Comment
CHSC113371
Ceratophyllum demersum
Lowell Ahart
2014-4-16
19373
Butte
In shallow water, small pond on the bottom of a large canal, about 100 yards north of East Gridley Road, on the west side of the Feather River, about 2 miles east of Gridley.
29
Comment
CAS-BOT-BC179537
Cercis occidentalis
A. A. Heller
1914-3-12
11194
Butte
Plentiful in the canyon of Big Chico creek east of Chico.
68
Comment
CHSC107394
Cercis occidentalis
Blake McSorley
2010-4-6
Butte
Dye Creek Preserve.
135
Comment
CHSC55491
Cercis occidentalis
Ben Cunningham
1991-4-20
Butte
Poe Dam, 10 ft w of Highway 70 and 52 mi s of Greenville.
609
Comment
POM28570
Cercis occidentalis
C. C. Bruce
1897-05
1815
Butte
Little Chico.
Comment
SD234126
Cercis occidentalis
Virginia Pinkus Ryder
1965-4-3
350
Butte
Paradise
456
Comment
UC204723
Cercis occidentalis
A. A. Heller
1914-5-18
11406
Butte
near Forest Ranch; West Slope of the Sierra
Comment
UCR190822
Cercis occidentalis
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-BC277628
Chaenactis glabriuscula var. megacephala
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
UCD159526
Chamaemelum fuscatum
D. S. Park
2011-4-6
275
Butte
Near Oroville. Off Jem Rd. Growing in abundance in and nearby orchards and roadside.
44
Comment
CHSC52141
Chamaesaracha nana
L. P. Janeway; R. A. Schlising
1988-7-1
2918
Butte
South-facing cutbank of dirt road just NW of Summit Lake.
1950
Comment
HSC66093
Chamaesyce hooveri
M. S. Taylor
1980-8-15
3252
Butte
In Pentz Vernal Pool, 0.4 mi. SE of Jct. Pentz Rd. and Hwy. 99, about 10 mi. S of Chico
55
Comment
OBI59419
Chamaesyce hooveri
R. D. Stone & R. E. Buck, R. E. Buck
1987-1
Butte
Comment
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
CHSC110329
Chamaesyce serpillifolia subsp. serpillifolia
B. Castro; Margie Graham
2006-8-24
1604
Butte
Sacramento Valley. Ca 1,8 mi W of Hwy 99 and 1 mi E of Richvale, ).25 mi N of Richvale Hwy in Cherokee Canal. On E side of canal abt 50 ft from toe of E levee.
32
Comment
UC392211
Chamerion angustifolium subsp. circumvagum
E. B. Copeland
July, 1929
Butte
Jonesville
1600
Comment
SEINET10529873
Cheilanthes cooperae
Mary Susan Taylor
1980-4-16
Taylor 2484
Butte
T21N R4E s sec 17 Cherokee quad. Lake Oroville State Recreation Area, up to 0.5 mi SE of Parish Camp, just S of Lime Saddle Memorial Park, ca. 5 mi S of Paradise; Foothill Woodland.
305
Comment
CDA14058
Cheilanthes gracillima
G. F. Hrusa, T. D. Wilfred
1997-5-1
13705
Butte
Sierra Nevada; NE side of upper end of Paradise Lake. Where last tributaries from E enter.
Comment
CAS-BOT-BC69446
Cheilanthes gracillima
F. N. Bassett
1916-6-1
s.n.
Butte
Jonesville.
Comment
SEINET10529932
Cheilanthes siliquosa
Mary Susan Taylor
1978-5-6
Taylor 1584
Butte
Just N of Magalia, in large serpentine area along the Skyway.
610
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
SEINET10479091
Chenopodium ambrosioides var. anthelminticum
Mary Susan Taylor
1975-10-29
Taylor 968
Butte
Butte Creek, ca. 2-500 yds S of Humbug Road, ca. 2 mi E of junction of the Skyway and Humbug Road; with Platanus racemosa, Rhus trilobata.
Comment
CHSC62025
Chenopodium atrovirens
Vernon H. Oswald
1989-8-9
3931
Butte
Logging Rd (G-Line) paralleling Butte Creek, 0.5 mi sw of Humboldt Rd, ca. 1.3 mi (air) sw of Butte Meadows.
1295
Comment
CHSC51256
Chenopodium berlandieri
Lowell Ahart
1990-9-30
6609 a
Butte
On the south side of the East Fork of Canyon Creek, below the high water line of Lake Oroville, about 1/8 mile northeast of the Canyon Creek Bridge across Lake Oroville.
243
Comment
JEPS115185
Chenopodium botrys
Lowell Ahart
2009-6-19
15948
Butte
Along trail, on the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
203
Comment
CHSC110403
Chenopodium strictum var. glaucophyllum
Lowell Ahart
2012-9-28
18457
Butte
Restoration area, south of Vallombrosa Avenue, north of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
62
Comment
CHSC91466
Chlorogalum pomeridianum var. pomeridianum
Lowell Ahart
2005-7-13
12148
Butte
About 20 yards east of the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown, about 12 miles (air) east of Oroville.
759
Comment
CAS-BOT-BC252673
Chorizanthe membranacea
David D. Keck
1933-5-30
2406
Butte
3.0 miles southwest of Richardson Springs
Comment
CHSC39931
Chorizanthe polygonoides var. polygonoides
M. S. Taylor; V. Oswald
1984-4-4
5392
Butte
S side of Humbug Rd, ca. 2 mi SW of Nimshew, ca. 12 air mi NE of Chico. In dry open bare patches on hillside.
Comment
CHSC94030
Chorizanthe stellulata
R. D. Fischer
2005-4-30
734
Butte
Sierra Nevada foothills, adjacent Hwy. 32, below Forest Ranch in the Big Chico Creek Ecological Reserve off Lookout Trail. Plants growing on thin Tuscan mudflow of ridge top.
518
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
CHSC48381
Chrysolepis sempervirens
Vernon Oswald
1983-8-17
979
Butte
Trail between Humboldt Summit and Humboldt Peak, n-e of Jonesville.
2103
Comment
CHSC42205
Cicendia quadrangularis
Kent Clement
1986-4-7
14
Butte
On North Table Mountain, 10.5 km n of Oroville, w of Cherokee Rd.
411
Comment
JEPS117264
Cicendia quadrangularis
Lowell Ahart
2010-5-14
16645
Butte
On the west side of the old Humboldt Road, Disc Golf Area, about 150 yards west of the entrance to the Disc Golf Area, about 40 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico.
395
Comment
CAS-BOT-BC184835
Cinna latifolia
Vernon Oswald; Lowell Ahart
1987-8-5
3192
Butte
Scotts John Creek 1.3 mile north of the road connecting Humboldt and Humbug roads.
1813
Comment
CHSC102503
Cirsium occidentale var. venustum
Lowell Ahart
2009-5-30
15782
Butte
North of a broad open drainage in oak woodland, about 100 yards north of the dirt road which is Ten mile House Road, Upper Bidwell Park, about 1/2mile (air) west Highway 32, about 10 miles northeast of Chico.
269
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
JEPS117145
Clarkia arcuata
Lowell Ahart
2010-4-30
16590
Butte
Below rim, north side of disk golf area, on a ridge about 250 yards west of Highway 32, Upper Bidwell Park, about 5 miles (air) northeast of Chico
360
Comment
UCD104349
Clarkia biloba subsp. brandegeeae
Joseph M. DiTomaso
1976-5-23
472
Butte
Lake Oroville, peninsula at south end.
274
Comment
CHSC35134
Clarkia concinna subsp. concinna
R. Schlising; R. Banchero
1980-6-6
3647
Butte
N of Lake Oroville along Hwy 162, 1.7 mi N of Bidwell Bar Bridge crossing of the lake; roadside bank.
304
Comment
CHSC1101
Clarkia gracilis subsp. albicaulis
V. Holt
1942-6-1
Butte
Forest Ranch.
548
Comment
CHSC8618
Clarkia gracilis subsp. albicaulis
L. V. Ritter
1969-5-5
307
Butte
Ca 2 mi. w of Cohasset, ca 10 yds. s of Cohasset highway.
Comment
RSA144790
Clarkia gracilis subsp. albicaulis
G. I. Stage, R. Thorp
1959-6-21
59 -120
Butte
11.9 miles north-east of Chico.
Comment
RSA0060028
Clarkia gracilis subsp. albicaulis
R. D. Fischer
2004-5-30
185
Butte
4-5 airmiles N. of Paradise, and W. of upper Paradise Pines. Turn W. off Skyway Road on Nimshew Road and take the S. turn on Centerville Road (on older maps Humbug Road), ca 1.4 miles S. of this junction.
620
Comment
CAS-BOT-BC171880
Clarkia gracilis subsp. gracilis
Lowell Ahart
1990-4-8
6437
Butte
Steep banks on the east side of Pacific Heights Road, about 3 1/2 miles south-west of Oroville.
33
Comment
CAS-BOT-BC163260
Clarkia mildrediae subsp. lutescens
L. P. Janeway
1993-7-1
4413
Butte
Along French Creek Road 4.1 mi from Stanwood Saddle and Oroville-Quincy Hwy.
801
Comment
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
CHSC71159
Clarkia mildrediae subsp. mildrediae
L. P. Janeway
1994-7-5
4681
Butte
Granite Ridge; along Concow Road 0.1-0.2 mi north of junction; east side of ridge top, above Camp Creek.
1310
Comment
UC1606713
Clarkia mosquinii subsp. mosquinii
L. P. Janeway
1995-7-15
4857
Butte
1.1 mi s of Pompys Point (s side of Watson Ridge about 2.2 mi ene of its western end); Watson Ridge
1115
Comment
SEINET10453160
Clarkia purpurea
Mary Susan Taylor
1976-4-27
Taylor 1082
Butte
Abundant in Valley Grassland, ca. 50 ft E of Cohasset Hwy, ca. 3 mi N of Chico.
61
Comment
CAS-BOT-BC163650
Clarkia purpurea subsp. quadrivulnera
Lewis S. Rose
1945-5-12
45019
Butte
Richardson Springs
304
Comment
CHSC1109
Clarkia purpurea subsp. quadrivulnera
E. Hembree
1929-5-15
Butte
Cohasset.
457
Comment
CHSC46387
Clarkia purpurea subsp. quadrivulnera
Lowell Ahart
1989-5-10
6224
Butte
At the end of the dirt road that leads to Lake Oroville, about 1/12 mile north-west of the West Branch Bridge across Lake Oroville.
280
Comment
CHSC64326
Clarkia purpurea subsp. quadrivulnera
H. H. Schmidt; M. Merello, L. Woodruff
1993-6-15
866
Butte
Plumas National Forest on state road 23N06 1.5 miles N of the junction with highway 70.
880
Comment
CAS-BOT-BC164782
Clarkia rhomboidea
H. F. Copeland
1931-6-10
1520
Butte
Jonesville. Rocky crest of ridge between Willow and Colby Creeks
1676
Comment
CAS-BOT-BC164784
Clarkia rhomboidea
A. A. Heller
1928-6-28
14617
Butte
On the ridge south Butte Creek, Butte Meadows
Comment
CHSC88090
Clarkia rhomboidea
R. D. Fischer
2004-4-17
175
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located mid-way down 10 Mile House Road on cut bank.
365
Comment
RSA144792
Clarkia rhomboidea
G. I. Stage, R. Thorp
1959-6-21
59 -121
Butte
11.9 miles northwest of Chico on Highway 32
Comment
CAS-BOT-BC165440
Clarkia unguiculata
H. Lewis; M. Lewis; F. Vasek
1950-6-30
760
Butte
Highway 24, 2.0 miles south of Arch Rock on Feather River
Comment
CAS-BOT-BC165723
Clarkia williamsonii
Jim Riley
1899-5-30
s.n.
Butte
Centerville
Comment
SFV1151
Claytonia palustris
J. R. Swanson
1959-6-13
477
Butte
Jonesville. Along margins of Jones Creek.
1677
Comment
CHSC109115
Claytonia parviflora subsp. parviflora
Lowell Ahart
2012-3-23
17802
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.
202
Comment
CHSC56069
Claytonia parviflora subsp. parviflora
L. P. Janeway
1988-7-2
2961
Butte
Along road to French Creek, 1.2 mi south of Coyote Gap. Shady seepy area above the road.
1127
Comment
SEINET10929039
Claytonia rubra
Mary Susan Taylor
1981-3-24
Taylor 3440
Butte
Two mile stretch along both sides of Feather River Hwy (70), just ne of Pulga to Cresta Powerhouse, ca. 20 mi ne of Oroville; granite gravels & soil; ca. 1700 ft. T23N R5E Pulga quad.
518
Comment
CHSC32135
Claytonia rubra subsp. rubra
L. Ahart
1977-3-28
1228
Butte
Near North Honcut Creek, Peter Ahart Ranch, Honcut.
50
Comment
CHSC36363
Claytonia rubra subsp. rubra
J. D. Jokerst; R. A. Schlising
1982-5-19
1580
Butte
Open disturbed soil at Fall River Campground on N side of river and W of road.
1005
Comment
CAS-BOT-BC91346
Clematis lasiantha
Lowell Ahart
1974-8-9
s.n.
Butte
East of Marble Creek.
914
Comment
CAS-BOT-BC91350
Clematis lasiantha
Helen M. Edwards
1917-6-1
s.n.
Butte
De Sabla.
Comment
CAS-BOT-BC91351
Clematis lasiantha
Jeanne McFarland; Kathie Meyer; Anne Mullenniex
1995-4-9
48
Butte
About 5 miles south of Paradise on Pentz Road, at intersection with Kuncle Reservoir Road.
Comment
CHSC2478
Clematis lasiantha
W. Fitzwater
1958-4-12
Butte
Foothills east of Chico.
Comment
CHSC26641
Clematis lasiantha
M. S. Taylor
1977-11-12
1543
Butte
At very end of Upper Bidwell Park Rd, Chico.
243
Comment
CHSC78090
Clematis lasiantha
Caleb E. Casey
1999-4-9
Butte
South rim trail, Upper Bidwell Park. On trail where power lines cross.
106
Comment
CHSC84640
Clematis lasiantha
Matt Quinn
2001-4-4
8
Butte
On mid-slope of north facing slope of Honey Run Creek. Approximately 1/2 mile upstream of confluence with Little Butte Creek, 200 feet upslope from creek.
198
Comment
CHSC1736
Collinsia sparsiflora
R. Carter
1965-3-9
151
Butte
Found on Old Cherokee Rd., Oroville, 18 mi. N of intersection with Oregon Gulch Rd. on W bank above road.
243
Comment
CHSC4624
Collinsia sparsiflora
R. Carter
1966-3-22
310
Butte
Found ca. 5 mi. NE of Oroville on top Table Mt.; growing 20 yds. off E side Old Cherokee Rd., 5.5 mi. from Chico Rd.
Comment
CDA13301
Collinsia tinctoria
G. F. Hrusa, T. D. Wilfred
1996-7-9
13149
Butte
Plumas National Forest; E end of USFS N60 approx. 0.4 miles E of Marble Creek Bridge. E of Rogers Cow Camp.
Comment
POM21003
Collinsia tinctoria
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla.
Comment
RSA592526
Collinsia tinctoria
S. O. Mattoon
1970-6-12
15
Butte
Ponderosa Way Forest Road at Mud Creek; 5 air miles ESE of Cohasset. Southern Cascade Mountains.
671
Comment
SEINET10548311
Collinsia tinctoria
Lowell Ahart, Peter Ahart
1983-7-29
Ahart 4249
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
CHSC26839
Collinsia torreyi
M. S. Taylor
1978-6-24
1648
Butte
Humbolt Summit, Butte Co and Tehama Co line.
2133
Comment
CHSC48985
Collinsia torreyi var. wrightii
Vernon Oswald
1984-7-2
1338
Butte
Humbug Summit.
2320
Comment
CHSC61000
Collomia grandiflora
Lowell Ahart
1993-6-26
7034
Butte
Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west of the Lost Creek Reservoir Dam.
1158
Comment
SEINET10496933
Collomia grandiflora
Lowell Ahart, Peter Ahart
1984-7-19
Ahart 4747
Butte
About 1 1/2 mile south-east of Bald Mountain, 3/4 mile west of Oak Point, about 4 miles north-east of Stirling City.
Comment
CHSC38590
Collomia heterophylla
Vernon Oswald
1983-5-15
494
Butte
Upper Bidwell Park, Chico, in the bed of Lindo Channel near the diversion channel.
79
Comment
CHSC93069
Collomia heterophylla
L. P. Janeway
1994-5-26
4654
Butte
Northern High Sierra Nevada. East end of Watson Ridge, along Road 21N92 about 0.4 mi south of Road 21N24. Southeast-facing low road cutbank.
1226
Comment
UC478478
Collomia tinctoria
E. B. Copeland
1931-6-29
679
Butte
on gravel bars along creek Jonesville, Butte Creek
1500
Comment
SEINET10544538
Comandra umbellata subsp. californica
Mary Susan Taylor
1978-5-6
Taylor 1588
Butte
Just N of Magalia, in large serpentine area along the Skyway.
610
Comment
CHSC36290
Conium maculatum
M. S. Taylor; L. Ahart, J. Jokerst
1982-4-28
4357
Butte
Graylodge Waterfowl Refuge roadsides, n side of Rutherford Rd, w of Pennington Rd, ca. 12 mi sw of Gridley.
21
Comment
CAS-BOT-BC216005
Convolvulus
John Thomas Howell
1975-6-15
51114
Butte
Skyway near Billie Road, Paradise, Sierra Nevada
609
Comment
CHSC3441
Convolvulus arvensis
Judy Potter
1966-5-14
Butte
Nord Highway, 2 miles west of US 99E.
Comment
UC127773
Corallorhiza maculata
Miss Kate Conger
1907-1
Butte
Brush Creek
Comment
SEINET12331907
Cordylanthus pilosus subsp. bolanderi
Unknown
1985-1
5153
Butte
along Forbestown Ditch, about 2.5 mi NE of Forbestown
869
Comment
RSA412331
Cordylanthus pilosus subsp. pilosus
H. F. Copeland
1928-8-14
382
Butte
Neighborhood of Jonesville.
1829
Comment
CAS-BOT-BC209586
Cornus sericea
E. B. Copeland
1930-6-25
431
Butte
Jonesville
1500
Comment
LA40443
Cornus sericea subsp. sericea
E. B. Copeland;
1930-6-25
sn
Butte
Jonesville
1500.0
Comment
CDA34627
Cotoneaster lacteus
L. Ahart
2009-5-3
15802
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.
Comment
RSA0076091
Cotoneaster pannosus
L. Ahart
2009-5-30
15802
Butte
On the south side of Ten Mile House Road, Upper Bidwell Park, about 1/2 air mile southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
311
Comment
CHSC36526
Cotula coronopifolia
L. Ahart
1982-7-29
3450
Butte
Field n of the Peter Ahart Ranch, ca. 2.5 mi n and 1 1/4 mi e of Honcut.
50
Comment
CAS-BOT-BC427630
Crassula aquatica
Lowell Ahart
1979-5-11
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
CHSC112911
Crassula aquatica
B. Castro; Robin Carter
2011-4-29
1870
Butte
Sacramento Valley. Between Hwy 99 and the Thermalito Afterbay levee, 0.37 mi S of jcn of Hwys 99 and 162W, ca 0.6 mi N of Hamilton Rd.
36
Comment
CHSC113201
Crassula aquatica
Lowell Ahart
2014-4-16
19364
Butte
On the sides but near the bottom of a large canal, about 100 yards north of East Gridley Road, on the west side of the Feather River, about 2 miles east of Gridley.
29
Comment
CHSC78141
Crassula aquatica
Lowell Ahart
2000-5-21
8379
Butte
Slickens from the Cherokee mine, on the east side of Clark Road (Highway 191), about 200 yards south of Dry Creek, about 10 miles (air) northwest of Oroville.
60
Comment
CHSC113221
Crassula connata
Lowell Ahart
2014-5-2
19425
Butte
On the north side of a small drainage, about one mile (air) northwest of the Improved Parking Area and Cherokee Road, North Table Mountain, about 8 miles (air) north of Oroville.
391
Comment
SEINET10449713
Crassula saginoides
Lowell Ahart
1984-5-12
Ahart 4604
Butte
T17N R4E. Peter Ahart Ranch, ca. 2.5 mi NE of Honcut, ca. 12 mi S of Oroville. Valley Grassland; 50 m.
50
Comment
JEPS124167
Crassula tillaea
Lowell Ahart
2015-3-26
19967
Butte
About 2 miles east of Rutherford Road, Gray Lodge Wildlife Area, about 3 1/2 miles (air) southwest of Gridley.
Comment
RSA0118771
Crassula tillaea
Lowell A. Ahart
2013-4-20
18559
Butte
In corral at the barn, about 0.25 mile north of the Honcut Cemetery, about 3.25 miles (air) northeast of Honcut.
48
Comment
CAS-BOT-BC427955
Crassula tillaea
Lowell Ahart
1987-5-6
5521
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
271
Comment
JEPS115662
Crataegus laevigata
Lowell Ahart
2009-5-30
15792
Butte
On the east side of Big Chico Creek, about 30 yards south of the gate about 10 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
269
Comment
RSA755766
Crataegus laevigata
L. Ahart
2009-5-30
15792
Butte
East side of Big Chico Creek, about 30 yards south of the gate, about 10 yards west of Ten Mile House Road, Upper Bidwell park, about 3/4 air mile west of Highway 32, about 10 miles northeast of Chico.
270
Comment
CHSC100804
Crepis pleurocarpa
R. A. Schlising; P. Broyles
1988-7-9
4583
Butte
E of Paradise and Magalia and NE of Concow Reservoir along Rim Road (=Rocky Ridge).
975
Comment
CHSC21015
Croton setiger
M. S. Taylor
1975-10-3
947
Butte
Roadsides, ca. 1/4 mi n of the washout, between River Road and the Sacramento River, ca. 10 mi w of Chico.
36
Comment
CHSC51010
Crucianella angustifolia
Lowell Ahart
1990-7-4
6550
Butte
About 1/2 mile south-west of the Enterprise Bridge across Lake Oroville.
243
Comment
CHSC113528
Crypsis schoenoides
Lowell Ahart
2014-9-23
19874
Butte
Near a small drainage, on the northeast part of Horseshoe Lake, about 100 yards northeast of the Rod and Gun Club, Upper Bidwell Park, about one mile east of Chico.
88
Comment
CHSC36551
Crypsis schoenoides
L. Ahart
1982-7-10
3672
Butte
On the bottom of a duck pond, ca. 1/4 mi se of Headquarters, Graylodge Wildlife Refuge, ca. 12 mi sw of Gridley.
35
Comment
UC1563280
Crypsis schoenoides
unknown
1990-9-30
6603
Butte
edges of creek below Canyon Creek Bridge across Lake Oroville (below high-water line of Lake); Lake Oroville, Canyon Creek
228
Comment
SEINET10836241
Crypsis schoenoides
Lowell Ahart
1984-8-19
Ahart 4788
Butte
West of Pacific Heights Road, about 5 miles south-west of Oroville.
Comment
POM266636
Crypsis vaginiflora
J. C. Roos
1939-7-3
1521
Butte
a few miles southeast of Chico
Comment
SD122568
Cryptantha flaccida
Lowell Ahart
1984-6-8
4668
Butte
At the Ponderosa Dam, ca. 2 miles northwest of Forbestown
370
Comment
SEINET10497273
Cryptantha flaccida
Lowell Ahart
1984-5-19
Ahart 4609
Butte
On a small hill a little east of Kunkle Creek, ca. 0.5 mi N of Kunkle Reservoir, ca. 2 mi S of Paradise, on E side of Pentz-Magalia Hwy; Foothill Woodland; 600 m.
600
Comment
UCD119786
Cryptantha flaccida
Lowell Ahart
1984-6-8
4668
Butte
at the Ponderosa Dam, 2 miles northwest of Forbestown, on the N side of Ponderosa Reservoir.
Comment
SEINET10497601
Cryptantha hendersonii
Mary Susan Taylor
1982-5-2
Taylor 4397
Butte
T23N R5E ne/ne sec 6. Pulga Sw quad. Pulga serpentine outcrops on both sides of bridge across Hwy 70 at Pulga, ca. 20 mi ne of Oroville. 1600 ft.
488
Comment
CHSC29960
Cryptantha intermedia
R. A. Schlising; R. Banchero
1980-6-2
3617
Butte
3.2 mi S of Forest Ranch along Hwy 32.
Comment
CHSC38272
Cryptantha intermedia
Vernon Oswald
1983-4-27
397
Butte
Upper Bidwell Park, Chico, beside Upper Park Rd. ca. 100 ft e of the entrance to Parking Area S (Brown's Hole).
231
Comment
CHSC42516
Cryptantha intermedia
Lowell Ahart
1987-5-9
5577
Butte
Along Pulga Road, about 1/4 mi west of Bardees Bar along the North Fork of the Feather River. about 2 1/2 miles south-west of Pulga.
365
Comment
CHSC47981
Cryptantha intermedia
Vernon Oswald
1984-4-4
1116
Butte
Humbug Rd., 1.6 mi s-w of its jct. with Nimshew Ridge Rd., ca. 3 mi w of Magalia.
670
Comment
UC708007
Cryptantha intermedia
McKee and Westover
1918-6-5
6
Butte
Paradise
609
Comment
SEINET10497508
Cryptantha intermedia
Lowell Ahart
1985-5-15
Ahart 4966
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
UC1594526
Cryptogramma acrostichoides
Lowell Ahart
1992-7-26
6837
Butte
ca. 1/2 mi n Carr Mine (ca. 2 air mi s of Snow Mt, s side of Coon Hollow)
1737
Comment
CHSC34982
Cucurbita foetidissima
R. A. Schlising
1981-9-20
4194
Butte
4.3 mi W of railroad crossing in Richvale, on Richvale West Road.
Comment
CAS-BOT-BC85560
Cupressus macnabiana
Henry Klopfer
1926-5-1
s.n.
Butte
Between Paradise and Magalia.
Comment
CAS-BOT-BC85561
Cupressus macnabiana
Mary E. Wall
1935-11-10
s.n.
Butte
Magalia
Comment
SDSU1733
Cupressus macnabiana
D. F. Howe
1966-9-1
4315
Butte
Magalia
579
Comment
UC1134222
Cupressus macnabiana
H. A. Jensen
1933-12-15
369
Butte
1 mi sw Brownsville; Smartsville Quadrangle
Comment
SEINET10531465
Cupressus macnabiana
A. Arthur Heller
1918-5-5
Heller s.n. 1918
Butte
Near Magalia in the yellow pine and Oak belt (Q. Kelloggii) on serpentine, where Cupressus Macabiana is locally plentiful, the common shrubs Ceanothus cuneatus and Eriodictyon.
Comment
SEINET10531478
Cupressus macnabiana
Lowell Ahart
1985-6-30
Ahart 5094
Butte
About 2 1/2 miles north-east of Forbestown. Alt. 2850 ft.
868
Comment
UC1594627
Cuscuta campestris
Lowell Ahart
1992-5-23
6772
Butte
about 2 mi w Biggs (on the n side of Biggs Princeton Road)
30
Comment
CHSC30781
Cuscuta subinclusa
M. S. Taylor
1980-9-12
3331
Butte
W side of Hwy 32, ca. 3 mi n of Forest Ranch, near Forest Ranch Fire Control Station, ca. 50 ft w of the Hwy, n of a dirt rd.
975
Comment
CHSC50548
Cuscuta subinclusa
Vernon Oswald
1990-7-7
4353
Butte
Doe Mill Road (Ponderosa Way) between Garland Rd and the bridge over Butte Creek, ca.2.25 mi (air) east-northeast of Forest Ranch.
792
Comment
UC105509
Cycladenia humilis var. humilis
Mrs. R. M. Austin
1894-1
376
Butte
Comment
CHSC27265
Cynodon dactylon
P. Moyer
1972-6-5
215
Butte
CSUC Campus. E. of L.S. Bridge.
60
Comment
CHSC4385
Cynodon dactylon
M. Hillier
1966-5-30
Butte
In juniper bed at corner of Legion Ave and Warner St., Chico.
Comment
CAS-BOT-BC190373
Cynosurus
John Thomas Howell
1980-5-26
53582
Butte
Sierra Nevada. 2 miles northeast of Pulga Bridge, North Fork of Feather River.
Comment
SEINET13711403
Cyperus acuminatus
Lowell William Ahart, Lowell William Ahart
1999-1
8142
Butte
12 Air Mi SW Chico, 2 Mi SE Ordbend
Comment
CDA38936
Cyperus acuminatus
L. Ahart, Vernon H. Oswald
1999-8-13
8142
Butte
Along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico.
Comment
CHSC84024
Cyperus difformis
Lowell Ahart
2003-6-23
10314
Butte
In a rice field, Peter Ahart Ranch, about 300 yards east of the Palermo Honcut Highway, about 2 1/8 miles north of Honcut, about 12 miles south of Oroville.
30
Comment
RSA739808
Cyperus difformis
John Dittes
2003-10-8
849
Butte
Butte County; undesignated section of Arroyo Chico Land Grant, Ord Ferry 7.5, Quad, Northern Sacramento Valley, 6 air miles W by SW of Chico, 2.3 air miles S of Hwy 32, E bank of Sacramento River, bidwell sacramento river State Park.
38
Comment
CHSC94590
Cyperus eragrostis
Lowell Ahart
2006-9-11
13298
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
SEINET10466872
Cyperus eragrostis
Mary Susan Taylor
1979-10-3
Taylor 2223
Butte
T23N R3E center of E eighth of sec 33. Riparian Woodland in Butte Creek Canyon, ca. 1/4 mi upstream from bridge crossing Butte Creek at Helltown Road, ca. 7 mi E of Honey Run Covered Bridge.
244
Comment
CHSC68393
Cyperus esculentus
L. P. Janeway
1986-10-15
1925
Butte
In the City of Chico; weedy area along fence between plant nursery and Memorial Way (across from Bidwell Junior High School).
60
Comment
CHSC43294
Cyperus flavescens
Lowell Ahart
1987-9-4
5877
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
JEPS104601
Cyperus fuscus
Lowell Ahart
2000-9-15
8688
Butte
West of a large pond on the east side of the Sacramento River, NW of Parrott Landing, about 1 mile SE of Ord Ferry, about 2 miles SE of Ordbend, about 12 miles (air) SW of Chico.
32
Comment
RSA695518
Cyperus fuscus
L. Ahart
2000-7-23
8603
Butte
About 12 mi (air) SW of Chico, near a large pond on the east side of the Sacramento River, NW of Parrott Landing, about 1 mi SE of Ord Ferry, about 2 mi SE of Ordbend.
32
Comment
CHSC78487
Cyperus iria
Vernon H. Oswald
2000-8-12
9949
Butte
South end of the large dredge pond in the Oroville Wildlife Area on the west side of the Feather River between Palm Avenue and Vance Avenue.
28
Comment
CHSC31476
Cyperus niger
L. Ahart
1980-7-29
2497
Butte
Along the edge of a small stream near Hurleton Swedes Flat Rd, near Hurleton.
600
Comment
JEPS115055
Cyperus niger
Lowell Ahart
2007-11-3
14554
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
JEPS115985
Cyperus niger
Lowell Ahart
2009-8-3
16257
Butte
Along a small drainage about 50 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
209
Comment
CHSC45155
Cyperus squarrosus
Lowell Ahart
1974-7-1
504
Butte
On the bottom of a small wash, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/4 miles east of Honcut, about 12 miles south of Oroville.
39
Comment
CHSC28667
Cyperus strigosus
J. D. Jokerst
1979-10-12
373
Butte
50 met. S. of Big Chico Cr., 1.0 mi. N.E. of end of Upper Park Rd.
213
Comment
CHSC34137
Cyperus strigosus
L. Ahart
1981-9-19
3185
Butte
Along edge of Feather River, ca. 100 m s of Arch Rock Tunnel on Hwy 70, ca. 10 mi s of Storrie.
550
Comment
CHSC37104
Cyperus strigosus
L. Ahart
1982-9-12
3796
Butte
On the banks of North Honcut Creek, Peter Ahart Ranch, 1 1/4 mi n and 3 mi e of Honcut.
50
Comment
CHSC68407
Cyperus strigosus
L. P. Janeway; C. A. Janeway
1986-9-14
1861
Butte
Sycamore Creek at Cohasset Avenue near Eaton Road.
54
Comment
CHSC33910
Cypripedium fasciculatum
M. S. Taylor
1981-5-27
3803
Butte
W side of Paradise Lake, ca 1/2 way between Butte Cr ... Field redacted by CHSC, contact the data manager for more information
792
Comment
CHSC4626
Cystopteris fragilis
R. Carter
1966-3-13
299
Butte
Found ca 6 mi. E of Chico at intersection of Honey-Run Rd. and Humbug Rd. in Butte Cr. Canyon.
Comment
UC725452
Damasonium californicum
A. A. Heller
1940-5-13
15617
Butte
field 3 mi. w. Chico
Comment
UC1131384
Danthonia californica
H. S. Yates
1936-8-13
17549
Butte
2 1/2 mi sse Butte Meadows; Paynes Creek Quadrangle
Comment
CHSC42901
Danthonia californica var. americana
Lowell Ahart
1987-7-8
5812
Butte
Near a stream, along Walker Plains Road, about 1/8 mile north of Coyote Gap, about 5 miles east of Pulga.
1280
Comment
CHSC41995
Danthonia unispicata
Lowell Ahart
1973-5-6
311
Butte
Along Robinson Mill Road, west of Forbestown.
457
Comment
CHSC6079
Danthonia unispicata
B. Wilson
1968-4-19
164
Butte
2 mi s of Cherokee, on Table Mountain.
Comment
CHSC84373
Darmera peltata
Lowell Ahart
2003-8-26
10547
Butte
On the bottom of the South Fork of the Feather River, about 1/2 mile north of Golden Trout Crossing, about 6 miles (air) northeast of Feather Falls.
975
Comment
CHSC113117
Datura stramonium var. stramonium
Lowell Ahart
2013-11-18
19278
Butte
Below the high water line of Lake Oroville, about 150 yards northeast of the boat ramp at the end of Stringtown Road, about 50 yards north of the road, about 2 1/2 miles (air) northeast of Hurleton.
261
Comment
CHSC45735
Datura wrightii
Elizabeth L. Knight
1988-4-15
7
Butte
At Parrott Landing ca. 50 ft e of Sacramento River ca. 11 m sw of Chico. River bank.
30
Comment
CHSC42578
Daucus carota
Vernon Oswald
1985-5-20
1764
Butte
Lower Hgoncut Rd. 0.1 mi e of N. Honcut Creek.
Comment
JEPS108547
Delphinium gracilentum
L. P. Janeway
1994-5-13
4646
Butte
Northern High Sierra Nevada. 0.7 mi north of Nelsons Crossing (Fall River) and 1.0 mi west of Kenebeck Ridge
1127
Comment
CAS-BOT-BC8569
Delphinium hansenii
Lowell Ahart
1988-6-29
6086
Butte
Along Bloomer Hill Road (Ponderosa Way), about 1.5 miles W of Oroville Quincy Highway
457
Comment
UCD95781
Delphinium hansenii
M. Vincent
1968-6-5
776
Butte
1 mile S. of Cherokee on road to Oroville. Roadside at old Campbell Ranch.
Comment
CHSC117611
Delphinium hansenii subsp. hansenii
L. P. Janeway
2016-4-26
11937
Butte
Sacramento Valley. Along Nelson Road 1.0 Road-km west off its bridge across Thermalito Forebay; where the road crosses Campbell Hills.
94
Comment
JEPS104466
Delphinium hansenii subsp. hansenii
Lowell Ahart
2003-5-27
10225
Butte
On the e side of the dirt road, at Parking Area P, Upper Bidwell Park, ca 5 mi e of Manzanita Avenue, Chico.
228
Comment
CHSC21259
Delphinium nudicaule
M. S. Taylor
1973-4-23
20
Butte
6 mi ne of Chico on Cohasset Hwy, ca. 20 ft n of horse trough.
237
Comment
CHSC78092
Delphinium nudicaule
Caleb E. Casey
1999-3-4
Butte
Upper Bidwell Park, below bluffs on south side of Bear Hole.
304
Comment
CHSC56876
Delphinium patens
Keith Lickey
1976-4-17
68
Butte
Hwy 70, 500 m sw of Grizzly Dome Tunnel; n-nw slope.
914
Comment
CAS-BOT-BC121609
Delphinium patens subsp. patens
Mrs. J. H. Morrison
1932-5-8
s.n.
Butte
Durham
Comment
CAS-BOT-BC121619
Delphinium patens subsp. patens
Mrs. C. C. Bruce
1897-4-1
1914
Butte
Forest Ranch
Comment
CAS-BOT-BC17024
Delphinium variegatum
Lewis S. Rose
1945-5-12
45046
Butte
Richardson Springs
304
Comment
CHSC41516
Delphinium variegatum
Thomas A. Welgan
1979-4-18
12
Butte
Ca. 3.5 mi e of Highway 99 and Chico on Skyway 20 ft n of Skyway. Field.
213
Comment
SEINET7042739
Delphinium variegatum
A. G. Vestal
1963-5-7
s.n.
Butte
Grassy field and adjacent roadside on road to Bangor. 5.2 miles southwest of Bangor. 4.7 miles east of Honcut. Loma quadrangle UTM Zone 10, 6315250mE, 4354982mN.
Comment
CAS-BOT-BC16982
Delphinium variegatum subsp. variegatum
Lowell Ahart
1980-5-17
2297
Butte
1/2 mile south-east of Hurleton.
600
Comment
LA206368
Deschampsia cespitosa
A. A. Heller;
1928-7-10
14621
Butte
Butte Meadows
Comment
CAS-BOT-BC194311
Deschampsia cespitosa subsp. cespitosa
E. B. Copeland
1931-7-15
605
Butte
Jonesville, border of the Lily Pond, a permanent pool.
1750
Comment
CHSC49533
Deschampsia cespitosa subsp. cespitosa
Vernon Oswald; Lowell Ahart
1987-7-1
3067
Butte
Lily Pond' located ca. 0.6 mi (air) w of Butte Creek House and 0.25 mi s of Humbug Rd., ca. 2.75 mi (air) se of Jonesville.
1813
Comment
CAS-BOT-BC192651
Deschampsia danthonioides
Lowell Ahart
1987-5-6
5556
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap
274
Comment
CHSC104840
Deschampsia elongata
Lowell Ahart
2010-6-12
16799
Butte
On the east side of Big Chico Creek, about 40 yards west of Ten Mile House Road, about 3/4 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico.
197
Comment
UC398885
Deschampsia elongata
E. B. Copeland
1929-7-16
335
Butte
Jonesville
1500
Comment
CHSC33467
Descurainia incana
R. E. Preston
1981-7-14
109
Butte
Ca. 7.5 km ese of Jonesville. In meadow.
1950
Comment
CHSC38058
Descurainia sophia
R. E. Preston
1983-6-1
389
Butte
Found at roadside, 0.5 mi S of Hegan Lane on Dayton-Durham Rd.
Comment
CHSC25353
Dicentra formosa
Marc P. Hayes
1977-4-22
13
Butte
Ca. .5 km sw of Heinz creek, along small creek, ca. 200 m from its confluence and North Fork of Feather River.
450
Comment
CAS-BOT-BC402387
Dicentra formosa subsp. formosa
H. F. Copeland
1920-5-21
s.n.
Butte
Jonesville
1219
Comment
RSA113232
Dicentra formosa subsp. formosa
E. K. Balls, Lee W. Lenz
1955-5-13
20687
Butte
Magalia Reservoir, above Magalia.
732
Comment
CHSC44307
Dicentra uniflora
Lowell Ahart
1988-3-28
5955
Butte
Near Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 8 miles east of Feather Falls.
1280
Comment
CHSC90581
Dichelostemma capitatum subsp. capitatum
Joseph Silveira
1982-4-17
11
Butte
275 m east-northeast of the old dump site and 0.8 km north of Little Chico Creek, 1.9 km east of Chico.
105
Comment
HSC32647
Dichelostemma capitatum subsp. capitatum
Dave Knorr
1974-4-20
121
Butte
On Pentz Rd. near intersection with Clark Rd.
Comment
UC204578
Dichelostemma multiflorum
A. A. Heller
1914-4-13
11287
Butte
11 mi from Chico (Chico-Oroville road)
Comment
CAS-BOT-BC501078
Dichelostemma multiflorum
Lowell Ahart
1985-6-17
5057
Butte
100 yards south of the dirt rood, 1 1/2 miles east of Camp 18, about 8 miles northeast of Feather Falls
975
Comment
CAS-BOT-BC501081
Dichelostemma multiflorum
H. C. Cantelow
1940-5-10
3914
Butte
SW of Oroville on Highway 24
Comment
HSC32643
Dichelostemma multiflorum
Gary S. Lester
1974-4-20
97
Butte
1 mi. E of Hwy. 99, Skyway Blvd.
61
Comment
RSA339162
Dichelostemma multiflorum
Margaret J. Williams, Wayne Roderick
1984-5-25
84- 22 -4
Butte
Magalia, near Skyline road to Paradise
168
Comment
CDA2107
Digitaria ischaemum
D. G. Kelch
2006-8-2
6 .35
Butte
Along Butte Creek, north of Durham-Dayton Hwy.
Comment
SBBG128789
Digitaria ischaemum
L. Ahart
2012-10-20
18494
Butte
soil and gravel bar on the S side of Big Chico Crk, ca. 50 yards W of Table 4, W of Cedar Grove, Lower Bidwell Park, Chico
68
Comment
HSC97055
Digitaria sanguinalis
L. Ahart
2004-8-30
11398
Butte
South side of O'Brien Rd., about 1 1/2 miles (air) southeast of Gridley.
28
Comment
JEPS106151
Digitaria sanguinalis
Lowell Ahart
2004-8-30
11398
Butte
In a peach orchard, on the south side of O'Brien Road, about 100 yards east of Gilstrap Avenue, about 1 1/2 miles (air) southeast of Gridley
28
Comment
CAS-BOT-BC151924
Diplacus douglasii
H. E. Brown
1897-4-15
198
Butte
Near Clear Creek
Comment
CHSC31822
Diplacus douglasii
L. Ahart
1973-3-14
171
Butte
Peter Ahart Ranch, Honcut.
45
Comment
CAS-BOT-BC151922
Diplacus douglasii
Clare B. Hardham
1978-4-17
21556
Butte
Lava - Lobb Mountain
Comment
CHSC100540
Diplacus grandiflorus
James I. Mallory
1970-5-29
374
Butte
426
Comment
CHSC101317
Diplacus grandiflorus
Lowell Ahart
2009-4-22
15602
Butte
West side of the Guardians Trail, about 100 yards north of Pine Trail, Upper Bidwell Park, west of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
381
Comment
CHSC38690
Diplacus grandiflorus
Vernon Oswald
1983-5-23
545
Butte
Upper Bidwell Park, Chico, near Chico Creek at the east end of Yahi Trail. On flood plain of creek.
207
Comment
CAS-BOT-BC153210
Diplacus kelloggii
Lowell Ahart
1969-4-8
s.n.
Butte
Swedes Flat Road, near Bangor
1200
Comment
CAS-BOT-BC154036
Diplacus torreyi
A. A. Heller
1928-6-20
14616
Butte
At Butte Meadows
Comment
CHSC23490
Diplacus torreyi
K. R. Stern
1974-6-30
5772
Butte
Ca. 2 mi w of Philbrook Reservoir.
Comment
CAS-BOT-BC154166
Diplacus tricolor
Lowell Ahart
1982-5-12
3433
Butte
Peter Ahart Ranch, about 2 miles north and 1/2 mile east of Honcut
50
Comment
HSC102776
Dittrichia graveolens
L. P. Janeway
2011-10-20
10778
Butte
Sacramento Valley; South end of Chico, along west side of Hwy. 99; 0.6 km south of Skyway/East Park Ave., and 0.3 km south of Comanche Creek
66
Comment
JEPS115038
Dittrichia graveolens
Lowell Ahart
2007-10-30
14510
Butte
West side of Highway 99, about 100 yards north of Badger Creek Road, about 500 yards south of Richvale East Road, about 7 (air) miles west of Oroville
34
Comment
POM287081
Dodecatheon clevelandii subsp. patulum
Lyman Benson
1935-3-27
6358
Butte
10 mi. W. of Oroville. Watershed: Sacramento River.
91
Comment
CHSC2398
Dodecatheon hendersonii
R. Carter
1965-2-13
146
Butte
Plant found on Crubbs Rd. .9 mi SE of intersection with Reservoir Rd., on W bank along road ca. 6 mi. S of Oroville.
121
Comment
CHSC31805
Dodecatheon hendersonii
L. Ahart
1975-3-23
716
Butte
Peter Ahart Ranch, Honcut. Near North Honcut Creek on moist to dry soil, near large rocks.
45
Comment
POM253216
Dodecatheon hendersonii subsp. parvifolium
A. A. Heller
1938-4-3
15011
Butte
Common in moist red clay soil derived from disintefrated lave, Table Mountain, near Cherokee.
Comment
CHSC58896
Downingia bacigalupii
Lowell Ahart
1992-7-21
6795
Butte
Growing 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
RSA32824
Downingia bicornuta
A. A. Heller
1927-5-3
14363
Butte
Ten miles N of Chico.
Comment
UC764508
Downingia bicornuta var. bicornuta
R. F. Hoover
1936-5-20
1152
Butte
10 mi sw Oroville
Comment
JEPS105996
Downingia cuspidata
Lowell Ahart
2004-4-4
10725
Butte
Bottom of a vernal pool, about 1/4 mile east of Wilber Road, east of the high hill crossed by Wilber Road, pasture, about 3 miles (air) west of Thermalito
48
Comment
CHSC115370
Downingia insignis
Lowell Ahart
2015-4-24
20058
Butte
Normal size plants, on dry to wet bare soil, bottom and sides (road edges) of a large duck field.
19
Comment
CHSC27065
Downingia ornatissima
Lowell Ahart
1978-5-1
Butte
Peter Ahart Ranch, Honcut.
50
Comment
JEPS113175
Draperia systyla
Lowell Ahart
2007-5-29
13932
Butte
On the east side of Bald Rock Dome, along the Dome Trail, trail leads to the Middle Fork of the Feather River, about 1 3/4 miles by the trail from the trail head which is 3/10 mile east of Bean Creek Road, about 2 miles (air) northeast of Big Bald Rock, a
585
Comment
UC572409
Draperia systyla
P. L. Johannsen
1936-7-28
966
Butte
2.25 miles north of junction of Butte Creek and Secret Creek; Paynes Creek Quad.
1280
Comment
CHSC38070
Drosera rotundifolia
R. E. Preston
1982-6-25
318
Butte
Ca. 1.2 mi S of Inskip. ... Field redacted by CHSC, contact the data manager for more information
1420
Comment
UC481574
Drymocallis lactea
H. F. Copeland
1931-6-11
Butte
woods by Butte Creek Meadows (Jonesville); , Jonesville
1828
Comment
CHSC50014
Dryopteris arguta
Lowell Ahart
1990-3-19
6417
Butte
On the south side of Pacific Heights Road, about 3 1/2 miles south-west of Oroville.
33
Comment
CHSC92383
Dryopteris arguta
Lowell Ahart
2005-11-12
12481
Butte
Bank of a wash, about 90 yards northeast of the large parking area by the gate, end of Dark Canyon Road, about 3 miles (air) south of Highway 70 at Big Bend Road.
327
Comment
CHSC101118
Dudleya cymosa
Zachary Garcia
2008-4-8
Butte
Dark Canyon Rd.
591
Comment
CHSC33894
Dudleya cymosa
M. S. Taylor
1981-5-15
3735
Butte
N side of Feather River Hwy 70, at Plumas NF boundary, ca. 2 mi ne of Jarbo Gap.
609
Comment
CDA25368
Dudleya cymosa subsp. gigantea
L. L. Heinrichs
1971-5-27
Butte
Swede Flat Road, Oroville.
0
Comment
CHSC36509
Dysphania ambrosioides
L. Ahart
1981-9-26
3206
Butte
On a sand bar near the Sacramento River.
40
Comment
CHSC97739
Dysphania ambrosioides
Lowell Ahart
2007-11-3
14565
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
UCSB64004
Dysphania ambrosioides
Ahart, Lowell
1981-11-6
Butte
A little west of the Gray Lodge Waterfowl Management Area Headquarters, about 3/4 mile west of Pennington Road, about 12 miles south-west of Gridley
30
Comment
CHSC62446
Dysphania botrys
L. P. Janeway
1993-9-7
4588
Butte
Plumas National Forest. About 300 ft west of the south end of Ponderosa Dam. Along the edge of the dirt road.
298
Comment
CHSC52010
Dysphania pumilio
L. P. Janeway; C. A. Janeway
1986-11-23
1944
Butte
Foreman Creek access to Lake Oroville. On a +/- muddy and gravelly point in Lake Oroville ca 20-40 ft low below high watr mark.
274
Comment
CHSC83055
Dysphania pumilio
Lowell Ahart
2002-10-17
9990
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
CHSC94592
Dysphania pumilio
Lowell Ahart
2006-9-11
13283
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
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
JEPS120037
Echinochloa colona
Lowell Ahart
2012-9-28
18460
Butte
Just east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
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
SEINET10509318
Echinochloa crus-galli
Lowell Ahart
1985-11-7
Ahart 5240
Butte
Lake Oroville, on the north side of the South Fork of the Feather River, about 200 yards north-west of the Ponderosa Dam.
Comment
CAS-BOT-BC197249
Echinochloa muricata
Lowell Ahart
1986-11-14
5463
Butte
About 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles south-west of Oroville
36
Comment
SEINET10561343
Echinochloa muricata
A. Arthur Heller
1914-5-19
Heller 11418
Butte
Hills 8 miles north of Oroville.
Comment
RSA733899
Echinochloa oryzoides
Ellen Dean, J. Ditomaso, E. Healy
2001-8-20
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 mile E of jct with Riceton Hwy., Along second north-south running dirt road leading N into rice fields, at intersection with first east-west running dirt road, corner of rice field. In rice fields on W side of the road.
30
Comment
UCD60732
Echinochloa walteri
E. M. Johnston
1915-1
W- 152 -J
Butte
Biggs.
Comment
SEINET10474220
Eclipta alba
Mary Susan Taylor, Lowell Ahart
1982-10-11
Taylor 5147
Butte
T17N R1E n/ne sec 24. Pennington quad. Graylodge Wildlife Refuge, vicinity of check-in station, sw jct of Pennington & Rutherford Rds, ca. 12 mi sw of Gridley. 70 ft.
21
Comment
CHSC31436
Eclipta prostrata
L. Ahart
1980-9-28
2660
Butte
Peter Ahart Ranch, ca. 2 mi n and 0.5 mi e of Honcut.
50
Comment
CHSC115333
Elatine
Lowell Ahart
2015-4-24
20071
Butte
Normal size plants, on damp bare soil, bottom of a large duck field.
19
Comment
CHSC78979
Elatine ambigua
Vernon H. Oswald
2000-10-4
9974
Butte
Rice Experiment Station; field on south side of Hwy 162 between the railroad and Riceton Rd.
30
Comment
JEPS124129
Elatine ambigua
Lowell Ahart
2015-10-1
20534
Butte
About 1/4 mile east of Riceton Highway, about 2 1/4 miles (air) north of Biggs.
Comment
JEPS124216
Elatine californica
Lowell Ahart
2015-3-26
19965
Butte
About 1/8 mile south Rutherford Road, Gray Lodge Wildlife Area, about 7 miles (air) southwest of Gridley.
Comment
CHSC11931
Eleocharis acicularis
E. B. Copeland
1929-7-19
344
Butte
Jonesville.
1550
Comment
SD426
Eleocharis acicularis var. acicularis
E. B. Copeland
1929-7-19
Butte
Jonesville
1550
Comment
CHSC46463
Eleocharis bella
V. Oswald; L. Ahart
1989-6-27
3829
Butte
Humbug Rd at Butte Creek House, ca. 3.3 mi (air) se of Jonesville. Meadow along Butte Creek.
1767
Comment
CHSC51021
Eleocharis bella
Lowell Ahart
1990-7-4
6546
Butte
Along McCabe Creek, below the high water line of Lake Oroville, about 1/2 mile southwest of the Enterprise Bridge across Lake Oroville.
243
Comment
CAS-BOT-BC113565
Eleocharis bolanderi
L. P. Janeway
1988-6-19
2822
Butte
Small open seepy area along Honey Run Road 0.9 mi SW of Skyway.
411
Comment
SEINET7585972
Eleocharis engelmannii
Lowell Ahart
2003-6-23
10302
Butte
Peter Ahart Ranch, about 300 yards east of Palermo Honcut Highway, about 2 1/8 miles north of Honcut, about 12 miles south of Oroville.
30
Comment
SEINET8795265
Eleocharis engelmannii
J. M. Tucker
1953-8-28
2677
Butte
Biggs Rice Experiment Station
Comment
CHSC68435
Eleocharis macrostachya
L. P. Janeway
1987-5-7
2017
Butte
Bottom of Dead Horse Slough draining the California Park lake, just west of California Road and about 300 ft north of Hwy 32.
74
Comment
CHSC34136
Eleocharis obtusa
L. Ahart
1981-9-19
3186
Butte
On edge of small pond ca. 100 m n of Cresta Powerhouse, the pond is a little e of Feather River, along its banks, along Hwy 70, ca. 12 mi s of Storrie.
550
Comment
CDA39003
Eleocharis obtusa var. engelmannii
L. Ahart
2000-10-21
8712
Butte
About 100 feet north of Hamilton Road, about 1/8 mile east of Riceton Road, Rice Experiment Station northwest Biggs, 2 1/4 miles (air) north of Biggs.
Comment
CDA2610
Eleocharis pachycarpa
L. Ahart
2000-8-3
8676
Butte
Southeast of a large pond, about 100 yards south of the Feather River, west of the break in the levee, about 1/2 mile (air) west of Pacific Heights Road, Oroville Wildlife Area, about 3 1/3 miles (air) southwest of Oroville.
Comment
SEINET13710285
Eleocharis pachycarpa
Lowell William Ahart, Lowell William Ahart
2000-1
8597
Butte
Oroville Wildlife Area, 4 Mi. SW of Oroville (T18N, R3E, Dec 3, NE 1/4) 140 Ft.
43
Comment
CAS-BOT-BC113212
Eleocharis parishii
Holm
1903-5-30
3280
Butte
Chico
Comment
CHSC99759
Elymus elymoides subsp. californicus
Lowell Ahart
2008-6-13
14822
Butte
Bottom of an old gold mined area, about 350 yards southwest of the cemetery, about 50 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville.
305
Comment
RSA755038
Elymus elymoides subsp. californicus
L. Ahart
2009-5-15
15683
Butte
About 10 yards E of the dirt road that is Ten Mile House Road, Upper Bidwell Park, about 3/4 air mile W of Highway 32, about 10 miles NE of Chico.
235
Comment
CHSC43132
Elymus elymoides subsp. elymoides
Robert Banchero
1981-7-18
605
Butte
Ca 0.3 mi e of jct Jonesville Rd and Scotts-John Rd. Roadside.
1749
Comment
CAS-BOT-BC203426
Elymus glaucus subsp. glaucus
A. A. Heller
1914-7-23
11614
Butte
Chico Meadows
1219
Comment
JEPS116073
Elymus glaucus subsp. glaucus
Lowell Ahart
2009-5-30
15793
Butte
On dry soil, about 50 yards south of the fence and about 120 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway32, about 10 miles northeast of Chico
269
Comment
CDA31733
Elymus multisetus
A. A. Beetle
1941-6-27
2740
Butte
20 miles northeast of Chico
0
Comment
CHSC38166
Enemion occidentale
Vernon Oswald
1983-2-14
71
Butte
Upper Bidwell Park, Chico, along Yahi Trail ca. 200 ft e of Parking Area R (on the section of trail leading eastward to Brown's Hole).
231
Comment
CHSC87
Ephedra altissima
M. Anthony
1928-5-28
Butte
U. S. Plant Introduction Garden.
57
Comment
SEINET12193971
Epilobium adenocaulon
L. Ahart, Ahart, P.
1983-1
4212
Butte
ca 5 mi NE of Forbestown, Forbestown Reservoir
450
Comment
SEINET6635565
Epilobium angustifolium subsp. circumvagum
H. F. Copeland
1928-1
443
Butte
neighborhood of Jonesville; above Jones Creek
1829
Comment
CHSC37099
Epilobium brachycarpum
L. Ahart
1982-9-13
3818
Butte
Near edge of dirt rd that is near Pinkard Creek, ca. 1.8 mi n of Lost Creek Reservoir Dam, ca. 2.2 mi nw of Strawberry Valley.
1100
Comment
CHSC37441
Epilobium brachycarpum
R. A. Schlising
1981-9-20
4199
Butte
Richvale Vernal Pools, 0.25 mi s of jct Hwy 162 to Oroville and Hwy 99, along the latter and across from Thermalito Afterbay. In ditch.
Comment
POM219493
Epilobium brachycarpum
H. F. Copeland
404
Butte
Nelson.
Comment
CHSC117347
Epilobium campestre
B. Castro
2013-12-13
2002
Butte
Sacramento Valley. Richvale vernal pools, 500 to 1000 ft W of Hwy 99 directly across from Thermalito Afterbay and just less than 1 mi S of Richvale Hwy. Bottoms of vernal pools south of east-west ditch near S end of property.
33
Comment
CHSC117433
Epilobium campestre
Lowell Ahart
2016-5-31
20906
Butte
On the sides of a deep wash, about 1/8 mile east of Palermo Honcut Highway, Peter Ahart Ranch, about 2 1/4 miles north and 1/8 east of Honcut, about 12 miles (air) south of Oroville.
29
Comment
CHSC34013
Epilobium campestre
L. Ahart
1981-7-18
2937
Butte
On bottom of a drain ditch along the edge of the Pacific Heights Rd, ca. 1/8 mi w of Hwy 70, ca. 3 mi sw of Oroville.
35
Comment
CHSC66164
Epilobium campestre
Vernon H. Oswald; Lowell Ahart
1996-5-27
7653
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 bed of a marsh on the S end of Tract 2, Sanctuary II.
33
Comment
CHSC12029
Epilobium canum subsp. latifolium
R. N. Bowman
1971-9-27
56
Butte
Ca. 2.0 mi. se of intersection of Skyway and Coutelenc Rd. and ca. 200 yds. sw of Coutelenc Rd.
121
Comment
CHSC30765
Epilobium canum subsp. latifolium
M. S. Taylor
1980-9-27
3344
Butte
S side of Hwy 70, at Butte-Plumas county line, on granite wall.
548
Comment
SEINET10453052
Epilobium canum subsp. latifolium
Mary Susan Taylor
1979-10-13
Taylor 2249
Butte
T22N R4E sw 1/4 sec 21. Riparian Woodland along creek crossing Jordan Hill Road (Ponderosa Way on some maps), ca. 0.8 mi N of its jct with Concow Road, ca. 5 mi E of Paradise. With J.D. Jokerst.
427
Comment
CHSC32107
Epilobium ciliatum subsp. ciliatum
L. Ahart
1976-6-27
1146
Butte
Along North Honcut Creek; near Honcut.
45
Comment
JEPS120645
Epilobium ciliatum subsp. ciliatum
Lowell Ahart
2013-11-13
19246
Butte
Below the high water line of Lake Oroville, along the sides of Sucker Creek, about 30 yards north of the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam.
Comment
CHSC28718
Epilobium cleistogamum
R. A. Schlising
1979-8-17
3470
Butte
Richvale vernal pools, 1/4 mile S of jct Hwy162 to Oroville and Hwy 99, along the latter and across from Thermalito Afterbay. In vernal pool.
Comment
JEPS95944
Epilobium cleistogamum
Lowell Ahart
1999-5-21
8071
Butte
50 yards north of Evans Reimer Road; about 7/8 mile east of Pennington Road; about 5 miles (air) southwest of Gridley
21
Comment
CHSC102619
Epilobium densiflorum
Lowell Ahart
2009-7-9
16027
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.
236
Comment
POM213943
Epilobium hallianum
H. F. Copeland
1934-7-9
s.n.
Butte
Region of Jonesville, near the source of Butte Creek
1829
Comment
CHSC26796
Epilobium minutum
M. S. Taylor
1978-5-6
1572
Butte
By RR tracks, Magalia.
609
Comment
CHSC90828
Epilobium minutum
Lowell Ahart
2005-5-2
11764
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
RSA712758
Epilobium minutum
L. P. Janeway
2005-5-29
8400
Butte
Northern High Sierra Nevada. Between the east end of Hollywood Drive, Magalia and the upper end of Magalia Reservoir. (NAD83)
762
Comment
CHSC46681
Epilobium oregonense
V. Oswald; L. Ahart
1989-8-15
3935
Butte
Soda Ridge Rd, 1.4 mi w of its junction with Coon Hollow Rd, ca. 1.2 mi (air) n of Philbrook Reservoir. In a meadow adjacent to a lake n of and visible from the road.
1752
Comment
CHSC38563
Epilobium pallidum
Vernon Oswald
1983-5-25
554
Butte
Upper Bidwell Park, Chico, 400 ft s of Upper Park Rd. and 1200 ft e of Salmon Hole Parking Area.
182
Comment
UC726202
Epilobium pallidum
A. A. Heller
1941-5-24
16148
Butte
Clark Rd 2 mi below Paradise
Comment
SEINET10453182
Epilobium paniculatum
Mary Susan Taylor
1980-9-27
Taylor 3343
Butte
T23N R5E center sec 11, Pulga quad. S side of Hwy 70, at Butte-Plumas county line; exposed slab granite.
549
Comment
CDA42893
Epilobium torreyi
L. Ahart
2012-6-5
18157
Butte
Along the poor dirt road, on the south side of Beatson Hollow, about 3/4 mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 6 miles (air) north of Oroville.
Comment
CHSC116208
Epilobium torreyi
Lowell Ahart
2015-7-4
20268
Butte
On both sides of the dirt road, branch road to a meadow west of road to Jackson Ranch, about 500 yards north of the County Road, about one mile west of the intersection of Lumpkin Ridge Road, road to Cascade or Fall River and County Road, about 7 (air) miles northeast of Feather Falls.
1252
Comment
SEINET10530180
Equisetum arvense
Mary Susan Taylor
1977-7-15
Taylor 1423
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
SEINET1783079
Equisetum fontinale
E. B. Copeland
1930-6-24
403
Butte
Jonesville.
1500
Comment
RSA285081
Equisetum laevigatum
J. T. Howell
1975-6-15
51072
Butte
Skyway between Chico and Paradise at Butte Creek.
61
Comment
CHSC103155
Equisetum telmateia subsp. braunii
Lowell Ahart
2009-6-19
15938
Butte
South of trail where people cross Big Chico Creek, on the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
203
Comment
CHSC35321
Equisetum telmateia subsp. braunii
M. S. Taylor; K. Tharp
1982-4-8
4288
Butte
Along both sides of Oroville Dam Blvd, ca. 1.5 mi s of Oroville Dam Visitor's Center, Oroville.
243
Comment
CHSC42768
Eragrostis cilianensis
Lowell Ahart
1987-8-3
5845
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
SEINET10507722
Eragrostis pectinacea
Lowell Ahart
1984-9-24
Ahart 4811
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
JEPS95862
Eragrostis pectinacea var. pectinacea
Lowell Ahart
1999-8-13
8152
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
CAS-BOT-BC278510
Eragrostis pilosa var. pilosa
Lowell Ahart
1974-10-20
s.n.
Butte
Peter Ahart Ranch. Honcut
45
Comment
JEPS120165
Eragrostis pilosa var. pilosa
Lowell Ahart
2012-8-22
18421
Butte
South edge of parking area at the restroom, end of road to the Larkin Road Boat Lunch Area, about 1/4 mile west of Larking Road, about 2 miles (air) southwest of the Oroville Airport.
Comment
CAS-BOT-BC174106
Eremogone aculeata
Anna Head
1920-7-21
s.n.
Butte
Summit of Mt. Elwell, Feather River Region
Comment
CHSC41869
Ericameria arborescens
Lowell Ahart
1986-10-16
5399
Butte
South of the Forbestown Ditch, about 2 1/2 miles north-east of Forbestown.
868
Comment
CAS-BOT-BC131666
Ericameria bloomeri
J. D. Jokerst
1979-9-23
358
Butte
Below summit of Humboldt Peak on west-facing slope
2042
Comment
CAS-BOT-BC291276
Ericameria bloomeri
H. F. Copeland
1928-8-29
383
Butte
Near Jonesville. Summit of Humboldt Road
2133
Comment
CAS-BOT-BC298293
Ericameria nauseosa var. speciosa
Lowell Ahart
1986-10-16
5400
Butte
Near Forbestown. S of the Forbestown Ditch, about 2.5 miles NE of Forbestown
868
Comment
CHSC26623
Erigeron canadensis
M. P. Hayes
1977-9-4
121
Butte
Near organic garden area on Butte College Campus at the corner of Clark and Pentz roads.
90
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
SEINET10971237
Erigeron inornatus
Lowell Ahart, Peter Ahart
1983-7-29
Ahart 4245
Butte
T22N R6E ne sec 36. Ca. 1 mi e of Milsap Bar, ca. 25 mi ne of Oroville. Yellow Pine Forest; 750 m.
750
Comment
CHSC84726
Erigeron inornatus var. inornatus
L. P. Janeway; Christine Hantelman
2003-6-19
7851
Butte
Northern Sierra Nevada Foothills. Along south edge of Middle Fork Feather River arm of Lake Oroville, half way between mouth of South Fork Feather River arm of the lake and mouth of Bean Creek.
277
Comment
SEINET10474626
Erigeron inornatus var. viscidulus
Mary Susan Taylor
1981-6-19
Taylor 3962
Butte
T22N R5E ne sec 6. Pulga quad. On serpentine, N side of Feather River Hwy 70, at NW end of Pulga bridge and along Pulga Rd ca. 1/4 mi, ca. 20 mi NE of Oroville. Open & dry weathered reddish serpentine. 1600 ft elev.
488
Comment
CHSC34042
Erigeron petrophilus var. sierrensis
L. Ahart
1981-7-7
2932
Butte
On a large hillside s of the rd, ca. 1/2 mi w of the Forbestown Reservoir, ne of Forbestown.
750
Comment
JEPS95007
Erigeron petrophilus var. sierrensis
Lowell Ahart
1997-9-6
7889
Butte
about 2 air mi ne of Concow Reservoir (near the McNab Cypress Grove, near the steel power line, along sides of logging road, about 1/4 mi w of Rim Road)
731
Comment
CHSC50674
Eriodictyon californicum
Lowell Ahart
1990-4-28
6468
Butte
In the borrow area, about 1/4 mile south of the Feather River, about 4/10 mile west of Pacific Heights Road, about 4 1/2 miles south-west of Oroville.
30
Comment
CAS-BOT-BC259397
Eriogonum luteolum
Lowell Ahart
1988-8-10
6171
Butte
Along Poe Power House Road, about 1 mile north-west of the Poe Power House, about 1 mile south-east of Jarbo Gap
487
Comment
CHSC39559
Eriogonum luteolum var. luteolum
Lowell Ahart
1983-7-24
4205
Butte
Found at the Forbestown Res., about 5 miles northeast of Forbestown.
450
Comment
NY323384
Eriogonum marifolium var. apertum
E. B. Copeland
1930-7-12
410
Butte
Above Jonesville
2000
Comment
UC426902
Eriogonum marifolium var. apertum
E. B. Copeland
1930-7-12
410
Butte
above Jonesville; ; above Jonesville, Butte Co.
2000
Comment
CHSC113771
Eriogonum nudum var. deductum
Anna Kostikova; Glenn Litsios, Sarah Burgy
2010-7-1
151
Butte
Sierra-Nevada mountains, Carpenters ridge: Humboldt road. Left side of the road.
Comment
CAS-BOT-BC261714
Eriogonum nudum var. oblongifolium
Lowell Ahart
1989-7-4
6365
Butte
South of Oregon Gulch Road, about 1/4 mile north-west of the Cemetery, about 1 1/4 miles west of Rocky Point, about 10 miles east and 3 miles north of Oroville
335
Comment
SBBG128101
Eriogonum nudum var. oblongifolium
L. Ahart
2010-9-12
17149
Butte
below the high water line of Lake Oroville, ca. 150 yards N of the S Fork of the Feather River, ca. 50 yards E of Sucker Crk, ca. 0.25 mi NW of the Ponderosa Dam
243
Comment
CAS-BOT-BC269841
Eriogonum nudum var. pubiflorum
E. B. Copeland
1930-7-16
s.n.
Butte
Jonesville
1500
Comment
CHSC38610
Eriogonum nudum var. pubiflorum
Vernon Oswald
1982-11-6
8
Butte
Bidwell Park, Chico. Beside Yahi Trail ca. 800 ft e of Salmon Hole.
158
Comment
SEINET5333734
Eriogonum roseum
R. R. Halse
2006-8-2
6984
Butte
Chico; in the Lindo Channel Greenway where it crosses under Mangrove Ave.
92
Comment
CHSC58940
Eriogonum spergulinum var. reddingianum
Lowell Ahart
1992-7-29
6876
Butte
About 1 miles north-east of the Carr Mine, about 3/4 mile north-west of Lotts Lake.
1798
Comment
POM219384
Eriogonum spergulinum var. reddingianum
H. F. Copeland
1931-6-10
1537
Butte
Jonesville. In very dry ground in Colby Canyon.
1524
Comment
UC1594558
Eriogonum spergulinum var. reddingianum
Lowell Ahart
1992-7-29
6876
Butte
about 3/4 mi nw Lotts Lake (about 1 mi ne of the Carr Mine)
1798
Comment
CHSC117339
Eriogonum umbellatum var. ahartii
L. P. Janeway
2016-8-8
12144
Butte
Northern High Sierra Nevada. Plumas National Forest; about 300 m south of Road 22N27 (Lumpkin Ridge Road) at the southern end of Lumpkin Ridge.
1282
Comment
CHSC34721
Eriogonum umbellatum var. ahartii
M. S. Taylor
1981-9-17
4280
Butte
N side of Feather River Hwy 70 at Pulga bridge, ca. 20 mi ne of Oroville.
487
Comment
CHSC69427
Eriogonum umbellatum var. ahartii
Lowel Ahart
1997-8-19
7870
Butte
On the south side of Lumpkin Ridge Road, about 1 1/2 miles east of Camp 18, about 8 miles (air) northeast of Feather Falls.
1280
Comment
SEINET782824
Eriogonum umbellatum var. ahartii
J. L. Reveal
1975-8-24
3977
Butte
Along California Highway 70 in Feather River Canyon at the turnoff to Pulga
Comment
UC912724
Eriogonum umbellatum var. nevadense
A. A. Heller
1917-7-29
12854
Butte
summmit above Jonesville
2133
Comment
RSA31981
Eriogonum ursinum
A. A. Heller
1938-5-28
15116
Butte
Feather River Hwy, 23 miles from Oroville
Comment
CHSC58942
Eriogonum ursinum var. ursinum
Lowell Ahart
1992-7-29
6884
Butte
On rocky slopes, about 1 mile north-east of the Carr Mine, about 3/4 mile north-west of Lotts Lake.
1798
Comment
SEINET10479588
Eriogonum vimineum
Mary Susan Taylor
1975-10-29
Taylor 973
Butte
Butte Creek, ca. 2-500 yds S of Humbug Road, ca. 2 mi E of junction of the Skyway and Humbug Road; with Platanus racemosa, Rhus trilobata.
Comment
JEPS109906
Eriophorum gracile
Dean W. Taylor
2006-8-17
19609
Butte
Keyser Creek; West Branch Feather River watershed; boggy fen with patterned ground
1524
Comment
CAS-BOT-BC308159
Eriophyllum lanatum var. grandiflorum
John Thomas Howell
1962-6-15
37523
Butte
Magalia, Sierra Nevada
731
Comment
POM53933
Eriophyllum lanatum var. grandiflorum
A. A. Heller, H. E. Brown
1902-5-7
5483
Butte
Berry Canyon (Near Clear Creek).
Comment
RSA4146
Eriophyllum lanatum var. grandiflorum
E. B. Copeland
1930-7-11
492
Butte
Jonesville
1550
Comment
CHSC100872
Eriophyllum lanatum var. integrifolium
L. P. Janeway; Linus Gog
2008-7-18
9437
Butte
Northern High Sierra Nevada. Along Philbrook Creek between the east end of Philbrook Reservoir and Concow Road.
1689
Comment
HSC27262
Erodium botrys
J. P. Smith
1972-3-23
5095
Butte
1.6 mi. from junction with Hwy. 99 on road to Paradise
Comment
CHSC101084
Erodium brachycarpum
Lowell Ahart; John Dittes
2009-3-20
15509
Butte
Open area west of the Guardian Rock Trail, about 175 yards southwest of the Ten Mile House Road Trail, about 300 yards west of Highway 32, west of the intersection of Highway 32 and Ten Mile House Road, Upper Bidwell Park, about 10 miles northeast of Chico.
407
Comment
CHSC44508
Erodium cicutarium
Lowell Ahart
1988-3-27
5933
Butte
Along the dirt road, west of the Poe Power House, east of the North Fork of the Feather River, about 2 miles south-east of Jarbo Gap.
274
Comment
SEINET10495115
Erodium moschatum
Mary Susan Taylor
1973-1
Taylor 52
Butte
Upper Bidwell Park, Chico. Associates: Stipa pulchra, Lasthenia chrysostoma, Layia fremontii.
61
Comment
CAS-BOT-BC41445
Eruca vesicaria subsp. sativa
A. A. Heller
1914-7-11
11560
Butte
Chico-Hamilton road 6 miles from Chico.
Comment
CHSC20876
Erythranthe bicolor
Robert A. Schlising
1963-6-7
2619
Butte
3.1 mi s of Cohasset along Cohasset Highway.
Comment
CHSC112718
Erythranthe breweri
Lowell Ahart
2013-10-26
19219
Butte
South side of Philbrook Creek, below the high water line (strand) of Philbrook Reservoir.
1681
Comment
CHSC65178
Erythranthe cardinalis
Lowell Ahart
1995-8-19
7617
Butte
East side of North Huncut 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
CHSC109353
Erythranthe filicifolia
T. M. Hanson; Melanie Williams
2012-6-21
Butte
Northern Sierra Nevada. Plumas National Forest; south of Lumpkin Ridge Road (22N27); 2.1 km east of Camp Eighteen.
1256
Comment Read comments Jan 23 2014
CAS-BOT-BC153867
Erythranthe glaucescens
Frank W. Gould
1938-4-23
304
Butte
Two miles north of Chico
60
Comment
CHSC44944
Erythranthe glaucescens
Cathy Young
1988-4-23
8
Butte
1/4 mi e of Durham, 50 yds n of Durham Highway on the w bank of Butte Creek.
67
Comment
CHSC51925
Erythranthe glaucescens
Loren Gehrung
1987-3-29
11
Butte
By small stream S of Centergap Rd on N face Butte Cr cyn. 10 mi ENE of Chico, 4 mi ENE of Covered Bridge.
292
Comment
CAS-BOT-BC153853
Erythranthe glaucescens
Jed McClellan; Bonnie McClellan
1976-4-16
s.n.
Butte
Honey Run Road
Comment
SEINET8264803
Erythranthe glaucescens
K. L. Chambers
1987-4-29
5347
Butte
Hwy. 70, along the Feather River above Lake Oroville, at the highway bridge crossing the river at Pulga.
Comment
CHSC112695
Erythranthe guttata
Lowell Ahart
2013-7-1
18821
Butte
Seep along road gutter, on the east side of Black Bart Road, about 3/4 mile (by road) southwest from the intersection of Forbestown Road and Black Bart Road, about 3 1/2 miles (air) southwest of Forbestown.
731
Comment
CHSC44787
Erythranthe nasuta
R. Banchero
1980-3-27
84
Butte
Along Richardson's Springs Rd Ca 4 mi NE of its jct with Cohasset Hwy, Ca 1.3 mi W of the town of Richardson's Springs.
213
Comment
CAS-BOT-BC150204
Erythranthe pulsiferae
Lowell Ahart
1983-6-26
4161
Butte
Along the edge of Bean Creek Road, about 4 1/2 miles south of Little Bald Rock, about 17 1/2 miles north-east of Oroville
600
Comment
UC1731059
Erythronium multiscapideum
Dean W. Taylor
1997-3-13
15914
Butte
Magalia; summit of serpentine hill directly east of town
Comment
UC1731208
Erythronium multiscapideum
Dean W. Taylor
1997-3-13
15914
Butte
Magalia; summit serpentine hill directly east of town
731
Comment
CAS-BOT-BC504521
Erythronium multiscapideum
Mrs. J. H. Morrison
1932-3-13
s.n.
Butte
Durham
Comment
CAS-BOT-BC504532
Erythronium multiscapideum
Lowell Ahart
1983-4-14
3934
Butte
About 3/8 mile southwest of the Forbestown Res., about 4 miles northeast of Forbestown
450
Comment
CAS-BOT-BC504534
Erythronium multiscapideum
Lowell Ahart
1977-3-28
s.n.
Butte
Peter Ahart Ranch, Honcut
50
Comment
CAS-BOT-BC402968
Eschscholzia californica
A. A. Heller
1914-4-3
s.n.
Butte
Hills 8 miles north of Oroville
Comment
CHSC112099
Eschscholzia californica
Lowell Ahart
2012-6-21
18220
Butte
On the south side of Big Chico Creek, about 5 yards east of the Freewy, Lower Bidwell Park, Chico.
62
Comment
CHSC1201
Eschscholzia californica
P. Delaplane
1965-3-27
16
Butte
In field on W. side of Cactus Ave at intersection of Manzanita, Chico.
30
Comment
CHSC4634
Eschscholzia lobbii
R. Carter
1966-4-21
357
Butte
Found ca. 5 mi. NE of Oroville on top of Table Mt.; growing 3 yds off E side Old Cherokee Rd., 6.5 mi. from Chico Rd.
274
Comment
UCD95383
Eschscholzia lobbii
David E. Young
1983-6-6
13
Butte
North Table Mountain, 0.4 km west of Cherokee Road, 0.5 km SW of Oregon Gulch Road, and 10 km north of Oroville, 7 km E of Hwy 70.
390
Comment
CHSC34712
Eucephalus breweri
M. S. Taylor; Lowell Ahart
1981-8-16
4212
Butte
N side of rd 25N04, ca. 0.5 mi E of its jct with 52513, ca. 1 mi NE of Jones Meadow, ca. 6 mi NE of Stirling City.
1889
Comment
CHSC54474
Euonymus occidentalis var. occidentalis
Vernon H. Oswald; Lowell Ahart
1991-7-15
4736
Butte
Forest Rd 23N60 (Jordan Creek-Marble Creek Rd) at Jordan Creek, east of Oroville-Quincy Hwy, ca. 5.75 miles (air) northeast of Brush Creek.
1082
Comment
CHSC47419
Euphorbia peplus
Lowell Ahart
1976-2-28
1016
Butte
In a garden, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
JEPS94953
Euphorbia spathulata
Lowell Ahart
1997-3-25
7714
Butte
about 12 air mi se of Oroville (about 2 1/4 mi n and 2 1/2 mi e of Honcut, w of the ditch for the Old Honcut Flume, w of North Honcut Creek)
60
Comment
CHSC65324
Eurybia integrifolia
Lowell Ahart
1995-10-3
7670
Butte
East of the dirt road, west of a small branch of Willow Creek, about 1/2 mile west of Humbug Summit.
1981
Comment
CAS-BOT-BC312198
Eurybia radulina
Lowell Ahart
1986-8-15
5382
Butte
About 1/2 mile south-west of Bald Mountain about 4 1/2 miles north-east of Stirling City
1615
Comment
UCD132335
Euthamia occidentalis
L. Ahart
1982-10-11
3860
Butte
ca. 1/10 miles southeast of HQ, Graylodge Wildlife Refuge, ca. 12 miles southwest of Gridley.
35
Comment
CHSC50439
Festuca elmeri
Vernon Oswald; Lowell Ahart
1990-6-27
4325
Butte
Jordan Creek-Marble Creek Rd (23N60) between Spoon Ravine and Marble Creek, east side of Oro-Quincy Hwy, ca. 0.5 mi (air) northeast of Junction House (site).
1109
Comment
CHSC110388
Festuca multiflora
Lowell Ahart
2012-9-28
18472
Butte
Gravel bar in the middle of Big Chico Creek, about 30 yards east of the freeway, Lower Bidwell Park, Chico.
65
Comment
CHSC115368
Festuca myuros var. myuros
Lowell Ahart
2015-4-24
20060
Butte
On the sides (road edges) of a large duck field, 50 yards southeast of Parking Lot 1, about 1 1/4 miles north of Rutherford Road, Gray Lodge Wildlife Area, about 6 1/2 miles (air) southwest of Gridley.
19
Comment
CHSC41291
Festuca rubra
S. C. Morey
1983-7-21
498
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
1414
Comment
CHSC74164
Festuca subulata
B. Castro; L. Gehrung
1998-7-2
798
Butte
Ca 6 air mi NW of Brush Creek, ca 1 mi SE of Hungry Hunt Peak, ca 50 ft N of USFS Rd 23N28 as it loops around a drainage.
1021
Comment
CHSC27179
Ficus carica
M. MacArthur
1968-6-12
321
Butte
NE of Aymer Jay Hamilton School play yard, Chico State College campus.
60
Comment
CHSC38556
Ficus carica
Vernon Oswald
1983-3-31
249
Butte
Upper Bidwell Park, Chico, beside the trail near Chico Creek near the power lines.
91
Comment
CHSC42748
Ficus carica
Lowell Ahart
1987-8-8
5857
Butte
About 2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville.
67
Comment
POM57352
Filago californica
A. A. Heller, H. E. Brown
1902-5-9
5515
Butte
Berry Canyon (Near Clear Creek).
Comment
CAS-BOT-BC437083
Fragaria virginiana subsp. platypetala
E. B. Copeland
1929-7-16
373
Butte
Jonesville
1550
Comment
CHSC63269
Frangula rubra
Lowell Ahart
1994-6-5
7309
Butte
In a small dry mountain meadow, south of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 miles south-west of Forbestown.
609
Comment
SEINET13943085
Fraxinus dipetala
A. A. Heller
1915-1
11815
Butte
Hills 14 mi NE of Chico near Rock Creek
Comment
CHSC42222
Fremontodendron californicum
Mary H. Hardin
1986-4-21
19
Butte
Ca 1 1/2 mi ese of Cohasset Hwy, 9 mi nne of Chico in chaparral.
518
Comment
CAS-BOT-BC504377
Fritillaria
John Thomas Howell
1962-6-15
37465
Butte
Magalia, Sierra Nevada
Comment
JEPS55691
Fritillaria
G. E. See and H. M. Beard
1960-6-18
Butte
Pinkston Canyon, Yankee Hill, Big Bend Road Yankee Hill; Pinkston Canyon, Yankee Hill
609
Comment Read comments Feb 23 2012
CAS-BOT-BC136068
Fritillaria affinis
A. A. Heller
1916-2-27
12277
Butte
Canyon of Chico Creek east of Chico
Comment
CAS-BOT-BC130315
Fritillaria eastwoodiae
L. C. Hanson
1987-4-15
s.n.
Butte
Along Milsap Bar Road, Plumas National Forest
Comment
CHSC36221
Fritillaria micrantha
Lowell Ahart
1982-4-8
3271
Butte
Along Swedes Flat Road, about 1 mile east of the Bangor Oroville Highway, about 7 miles north of Bangor.
350
Comment
SD6589
Galium aparine
Daniel Cleveland
1885-3-17
Butte
Sutton House
Comment Read comments Oct 3 2007
CHSC38657
Galium bolanderi
Vernon Oswald
1983-5-9
461
Butte
Upper Bidwell Park, Chico. 100 ft W of the east terminus of Yahi Trail (near the turn-around at the E end of the park).
207
Comment
JEPS113505
Galium bolanderi
Lowell Ahart, Lawrence Janeway
2007-7-10
14284
Butte
On the north side of Forest Road 21N31Y, about 6/10 mile west of Bald Rock Road, about 17 miles (air) northeast of Oroville
1032
Comment
SEINET10968838
Galium divaricatum
Mary Susan Taylor
1980-5-24
Taylor 2737
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC47041
Galium grayanum
R. A. Schlising; L. Janeway
1988-7-22
4621
Butte
NE of Philbrook Lake, near county line.
1950
Comment
CHSC39493
Galium parisiense
Lowell Ahart
1983-6-21
4061
Butte
Along Bloomer Hill Road, 1/8 mi west of the Oroville Quincy Highway, 1 1/4 miles south of the Berry Creek School, north-east of Oroville.
400
Comment
CDA6657
Galium parisiense
Don Black
6 Jul [year missing]
Butte
R1 Box 491, Chico.
0
Comment
SEINET10500638
Galium parisiense
Lowell Ahart, Peter Ahart
1983-6-21
Ahart 4061
Butte
T20N R5E sec 5. Along Bloomer Hill Rd, ca. 1/8 mi w of Oroville-Quincy Hwy, 1.3 mi s of Berry Creek School, ne of Oroville. Foothill Woodland; 400 m.
400
Comment
SEINET10836840
Galium parisiense
Mary Susan Taylor
1980-4-18
Taylor 2510
Butte
T23N R3E ne sec 27 Paradise quad. Ca. 1 mi S of Nimshew, ca. 1/4 mi E of Nimshew Road; Yellow Pine Forest. With J.D. Jokerst.
610
Comment
CHSC30301
Galium porrigens var. tenue
M. S. Taylor
1980-5-27
2725
Butte
N side of Oroville-Quincy Hwy, ca. 2 mi S of Lake Madrone.
609
Comment
SEINET10500738
Galium porrigens var. tenue
Mary Susan Taylor, K. Tharp
1983-3-12
Taylor 5233
Butte
T22N R2E nw sec 27. Chico quad. Along small rd off Stillson Canyon Rd (leading to Mannion property), ca. 3 mi sse of Chico. Elevation ca. 500 ft.
152
Comment
POM193329
Galium trifidum
E. B. Copeland
1930-7-16
476
Butte
Jonesville.
1500
Comment
SEINET10500751
Galium trifidum subsp. subbiflorum
Mary Susan Taylor
1975-9-12
Taylor 906
Butte
Yellow Pine Forest, ca. 24 mi NE of Chico, ca. 500 m W of Hwy 32; with Torreya californica, Ceanothus prostratus.
1067
Comment
CHSC51012
Galium trifidum var. pacificum
Lowell Ahart
1990-7-15
6554
Butte
West of the Enterprise Boat Launch Area, about 1/2 mile north-west of the Enterprise Bridge across Lake Oroville.
268
Comment
CHSC33963
Galium trifidum var. pusillum
M. S. Taylor; L. Ahart
1981-8-16
4196 A
Butte
Jones Meadow, ca. 3 mi S of Philbrook Reservoir, ca. 6 mi NE of Stirling City.
1828
Comment
UC1564793
Galium trifidum var. pusillum
V. Oswald and L. Ahart
1989-6-27
3825
Butte
Humbug Rd at Butte Creek House (ca 3.3 air mi se of Jonesville); Butte Creek
1767
Comment
CHSC42391
Gamochaeta argyrinea
Lowell Ahart
1987-6-9
5738
Butte
On the west side of the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC108848
Garrya fremontii
Lowell Ahart
2012-3-2
17759
Butte
About 200 yards north of Ten Mile House Road, about 200 yards west of Highway 32, about 9 miles northeast of Chico.
422
Comment
CHSC6162
Gastridium phleoides
E. Parreno
1968-4-15
54
Butte
NE of Municipal Golf Course in Upper Bidwell Park on slope of ridge, Chico.
Comment
UCD169894
Gastridium phleoides
Lowell Ahart
2008-5-21
14780
Butte
On the north side of the South Fork of Feather River, about 150 yards east of where Sucker Creek enters the South Fork of the Feather River. About 1/4 mile northwest of the Ponderosa Dam.
246
Comment
CHSC109532
Gaultheria ovatifolia
L. P. Janeway; Tom Carlberg, Linnea Hanson+
2012-5-27
10825
Butte
Northern High Sierra Nevada. Along the road to Sly Creek Reservoir dam, 0.9 road km west of the south end of the dam; overlooking the upper end of Lost Creek Reservoir from the south.
1035
Comment
CHSC39275
Gayophytum heterozygum
Lowell Ahart
1983-7-29
4224
Butte
Along the edge of the dirt road, about 2 miles south of Milsap Bar, about 23 miles north-east of Oroville.
750
Comment
CHSC37448
Gayophytum humile
R. A. Schlising; R. Banchero
1980-7-7
3860
Butte
E of village of Feather Falls on Lumpkin Ridge, just W of road dropping down to Fall River.
1280
Comment
CHSC46456
Gayophytum humile
V. Oswald; L. Ahart
1989-6-27
3818
Butte
Ridge east of Scotts John Creek, ca. 3.3 mi (air) e of Jonesville.
1981
Comment
CDA43064
Genista monspessulana
L. P. Janeway
2011-3-9
10228
Butte
Sacramento Valley.; South side Feather River just east of Bedrock Park, Oroville; about 10-15 m back from the edge of the water and about 1 m higher.
Comment
CHSC48451
Gentianella amarella subsp. acuta
Vernon Oswald; Lowell Ahart
1987-8-5
3191
Butte
Scotts John Creek 0.6 mi n of the road connecting Humboldt and Humbug roads.
1780
Comment
CHSC109656
Geranium carolinianum
Lowell Ahart
2012-5-14
18064
Butte
On the north side of the paved path, near the horse sign, south of Vallombrosa Avenue, west of Manzanita Avenue, Lower Bidwell Park, Chico.
79
Comment
CHSC50046
Geranium carolinianum
Lowell Ahart
1990-4-8
6433
Butte
On steep banks, on the east side of Pacific Heights Road, about 3 1/2 miles south-west of Oroville.
33
Comment
CHSC55799
Geranium core-core
Vernon H. Oswald; Lowell Ahart
1991-11-2
4884
Butte
North end of Long Bar Rd., just south of the boundary of the State Recreation Area on the south side of Thermalito Diversion Pool, near Oroville.
97
Comment
CHSC111373
Geranium dissectum
Lowell Ahart
2012-5-2
17968
Butte
On dark clay soil, on the sides of a depression, under the Government Pole Line, about 100 yards west of the Easter Cross Parking Lot, Upper Bidwell Park, about 1 mile east of Chico.
90
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
CHSC36292
Geranium dissectum
M. S. Taylor; L. Ahart, J. Jokerst
1982-4-28
4353
Butte
Graylodge Waterfowl Refuge, n side of Rutherford Rd, ca. 1/8 mi w of Pennington Rd, ca. 12 mi sw of Gridley.
21
Comment
JEPS88265
Geranium dissectum
Vernon H. Oswald and Lowell Ahart
1966-5-27
7661
Butte
US Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River, S side of the levee road at the SW corner of Tract 3.4, Sanctuary II Sacramento River National Wildlife Refuge, Llano Seco Unit
32
Comment
CHSC3974
Geranium molle
L. R. Alexander
1967-4-11
10
Butte
Found at intersection of Honey Run Rd. and Humbug Road near covered bridge.
91
Comment
CHSC44413
Gilia capitata subsp. pedemontana
Lowell Ahart
1988-5-30
6028
Butte
Near the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC1257
Gilia tricolor
J. Gulick
1929-3-17
Butte
Oroville.
53
Comment
CHSC40024
Gilia tricolor
R. M. Austin
1896-5-1
92
Butte
Plains east of Chico.
Comment
UCD14392
Gilia tricolor
Maura Cullinane
1983-4-1
5
Butte
Butte Co.; from Interstate 80 go north onto 99, pass Chico, take the Cohasset exit NE, turn right on Richardson's Springs Road, drive form 3 mi. to Springs of Living Water Camp; cabins off to the right, go ca. 100 ft. east of Cabin 17;
Comment
CHSC44275
Githopsis pulchella subsp. campestris
Vernon Oswald
1988-6-14
3381
Butte
Jordan Hill Rd. 1.1 mi (odometer) n of Griffin Gulch.
688
Comment
CHSC94051
Githopsis pulchella subsp. campestris
R. D. Fischer
2005-5-18
725
Butte
Sierra Nevada foothills, adjacent Hwy. 32, ca. 4 miles east of Chico in Bidwell Park. Plants growing on the thin, rocky Tuscan mudlfow of the ridge top at the north end of Humboldt Trail, canyon facing.
426
Comment
CHSC12169
Githopsis specularioides
Lowell Ahart
1973-5-6
Butte
Swedes Flat Road, near Bangor.
457
Comment
UCSB44171
Githopsis specularioides
Reisentz, Paul
1979-5-13
Butte
4 miles west on Cherokee Rd. from Hwy 70
Comment
CHSC113543
Glinus lotoides
Lowell Ahart
2014-9-23
19869
Butte
Near a small drainage, on the northeast part of Horseshoe Lake, about 100 yards northeast of the Rod and Gun Club, Upper Bidwell Park, about one mile east of Chico.
88
Comment
SEINET10553596
Glyceria borealis
Vernon H. Oswald, Lowell Ahart
1989-8-15
Oswald 3938
Butte
T25N R5E se/S6, 5750 ft, Red Fir Forest. Soda Ridge Rd, 1.4 mi W of its junction with Coon Holow Rd, ca. 1.2 mi (air) n of Philbrook Reservoir.
Comment
RSA713012
Gnaphalium luteoalbum
L. Ahart
2005-12-11
12511
Butte
Rice Experiment Station between the Main Ditch ad Stine Lateral, on the N side of Hamilton Road, 1/4 mile E of Riceton Hwy 2.25 miles air E of Biggs.
30
Comment
CHSC45004
Gnaphalium palustre
Lowell Ahart
1988-9-4
6181
Butte
Big Kimshew Creek, the creek crosses a large meadow, about 1 air mile north-east of Jones Meadow.
1920
Comment
CHSC60953
Gnaphalium palustre
Lowell Ahart
1993-7-6
7048
Butte
On the south side of the dirt road, about 1/4 mile west of the Lost Creek Reservoir.
1036
Comment
JEPS127007
Gnaphalium palustre
Lowell Ahart
2016-5-24
20854
Butte
About 150 yards south of La Porte Road, about 1/4 mile southwest of the intersection of La Porte Road and Loma Rica Road, about 3 1/4 miles (air) northeast of Honcut.
Comment
CHSC43151
Gratiola ebracteata
R. A. Schlising
1980-4-2
3532
Butte
1/4 miles S of junction Hwy 162 to Oroville and Hwy 99; along latter and across from Thermalito Afterbay. Richvale vernal pools.
Comment
CAS-BOT-BC302080
Grindelia
Lowell Ahart
1981-11-6
3228
Butte
Gray Lodge, south-west of Gridley
35
Comment
SFV11414
Grindelia camporum
M. L. Vincent
1963-6-10
423
Butte
Kunkel Reservoir. 4 miles south of Paradise. 0.5 miles off Pentz Road.
450
Comment
CAS-BOT-BC305282
Grindelia hirsutula
John Thomas Howell
1951-6-29
27769
Butte
Big Bend Mt.
609
Comment
CAS-BOT-BC305284
Grindelia hirsutula
A. A. Heller
1913-6-4
10780
Butte
Table Mountain Olive Ranch north of Oroville
Comment
NY43531
Grindelia hirsutula var. hirsutula
S. Bianco
1995-9-23
1030
Butte
Along dirt trail that extends from Ishi Trail in Concow
762
Comment
UC1586558
Guillenia lasiophylla
Lowell Ahart
1991-5-8
6650
Butte
about 1.5 mi n and 2.25 mi e Honcut (about 12 mi se of Oroville, Peter Ahart Ranch)
60
Comment
UC1560381
Hackelia californica
E. Joyal and D. Mehlman
1988-7-3
1308
Butte
e side of Humboldt Summit; Lassen National Forest
2100
Comment
POM161686
Hackelia nervosa
E. B. Copeland
1929-7-17
s.n.
Butte
About Jonesville.
2000
Comment
CDA42935
Hedera helix
L. Ahart
2012-10-2
18489
Butte
On the north side of the paved park road and south of Big Chico Creek, about 50 yards east of Table 5, west of Cedar Grove, Lower Bidwell Park, Chico.
Comment
CAS-BOT-BC306540
Helenium bigelovii
E. B. Copeland
1930-7-11
s.n.
Butte
Jonesville
1500
Comment
CDA35648
Helenium bigelovii
J. R. Keck Jr.
1985-7-25
PDR# 331426
Butte
Jones Meadow, near Stirling City. Lassen National Forest.
0
Comment
CHSC45681
Helianthus annuus
Vernon Oswald
1987-8-2
3174
Butte
East side of the Sacramento River just north of (Glenn Co.) Rd. 29.
32
Comment
CHSC102400
Heliotropium europaeum
Lowell Ahart
2009-8-13
16277
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
JEPS124154
Heliotropium europaeum
Lowell Ahart
2015-11-7
20619
Butte
About 1/4 mile south of the end of Alternate 40, Dark Canyon, about 4 miles (air) south of Highway 70, about 8 miles (air) southeast of Paradise.
Comment
SEINET10870095
Heliotropium europaeum
Lowell Ahart
1983-9-17
Ahart 4426
Butte
T22N R4E se section 31. East end of Kunkle Reservoir Dam, south of Paradise. Foothill Woodland; 600 m.
600
Comment
UCD119454
Heliotropium europaeum
L. Ahart
1983-9-17
4426
Butte
East end of Kunkle Reservoir Dam, south of Paradise.
600
Comment
CHSC36532
Hemizonella minima
L. Ahart
1982-6-4
3532
Butte
1.5 mi e of Camp 18, ca. 8 mi e of Feather Falls.
1000
Comment
CHSC44375
Hemizonella minima
Lowell Ahart
1988-6-29
6097
Butte
Along a wash north of Bean Creek Road, about 1/2 mile south-east of Little Bald Rock.
975
Comment
CHSC64072
Hemizonia congesta subsp. luzulifolia
B. Castro
1987-9-25
226
Butte
Ca 50 ft E of Hwy 99 ca 4 mi N of E. Biggs Rd, near a seep at a pumping station just W of the Thermalito Afterbay levee.
32
Comment
CHSC50661
Herniaria hirsuta subsp. hirsuta
Lowell Ahart
1990-6-16
6507
Butte
Along the edge of the dirt road, just south of the Forbestown Generator, on the south side of the Forbestown Reservoir.
487
Comment
JEPS114050
Hesperevax acaulis var. acaulis
Robert E. Preston
2007-4-4
2421
Butte
5.2 moi NNE of Oroville, on North Table Mountain
Comment
JEPS107435
Hesperevax acaulis var. ambusticola
Lowell Ahart, Paul Maslin, John Dittes
2005-3-17
11676
Butte
Big Chico Creek Ecological Reserve. Ridge top, in the center of a very poor dirt road, about 1 mile southwest of the Indian Cave, about 1 3/4 miles west of Big Chico Creek, about 4 miles (air) northeast of Chico
484
Comment
JEPS104338
Hesperevax caulescens
Lowell Ahart
2003-5-14
10175
Butte
About 150 yd w of the dredge piles along North Honcut Creek, ca 2 1/2 mi n and 2 1/2 mi e of Honcut, ca 12 mi se of Oroville.
60
Comment
CAS-BOT-BC175996
Hesperolinon californicum
Lowell Ahart
1980-5-12
2261
Butte
Peter Ahart Ranch, Honcut
50
Comment
SD8553
Hesperolinon micranthum
R. M. Austin
1883-1
Butte
Butte Co.
Comment
CDA18369
Heteranthera limosa
G. D. Barbe
1978-8-14
2438
Butte
Biggs Rice Experiment Station.
0
Comment
UCD13377
Heteranthera rotundifolia
Sue Nichol
1996-7-1
s.n.
Butte
Biggs Rice station; near Hwy 162. North of Butte city.
Comment
CHSC29783
Heterocodon rariflorum
M. S. Taylor
1980-5-27
2684
Butte
At the foot of Big Bald Rock, granite dome, ca. 3 mi e of Lake Madrone.
997
Comment
CHSC84408
Heterocodon rariflorum
Lowell Ahart
2003-7-30
10460
Butte
On the north side of Bean Creek Road, about 1/2 mile southeast of Little Bald Rock, about 2 1/2 miles (air) southeast of Brush Creek.
1000
Comment
UC129115
Heterocodon rariflorum
Miss Kate Conger
1907-1
Butte
Brush Creek
Comment
UC1594672
Heterocodon rariflorum
Lowell Ahart
1992-7-27
6865
Butte
about 2 mi ne Coyote Gap (about 2 mi nw of Four Trees, about 2 mi w of Oroville-Quincy Highway, along the edge of Wildcat Creek); Wildcat Creek
1219
Comment
SEINET10906090
Heterocodon rariflorum
Lowell Ahart
1973-5-29
Ahart 246
Butte
Peter Ahart Ranch, Honcut
46
Comment
CHSC38643
Heteromeles arbutifolia
Vernon Oswald
1983-6-9
656
Butte
Upper Bidwell Park, Chico, near Parking Area R (2.3 mi e of the power lines).
228
Comment
RSA719537
Heteromeles arbutifolia
Michael A. Vincent, K. Levings
2006-7-29
12882
Butte
E of Chico along Rt 32
Comment
SEINET10483349
Heteromeles arbutifolia
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4113
Butte
T21N R5E se/se sec 32. Ca. 1/8 mi e of jct of Oroville-Quincy Hwy & Ponderosa Way (Big Ridge Rd), ca. 15 mi ne of Oroville. Foothill Woodland.
500
Comment
UCR88744
Heterotheca oregona
J. T. Howell
1959-9-20
34620
Butte
eastern outskirts of Oroville on level of Feather River
61
Comment
CHSC27941
Hieracium albiflorum
M. S. Taylor
1978-7-18
1677
Butte
On w side of Hwy 32 on edge of forest, ca. 1/4 mi n of Forest Ranch.
718
Comment
CHSC113392
Hoita macrostachya
Lowell Ahart
2014-5-27
19532
Butte
Bottom of North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 2 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville.
41
Comment
JEPS119890
Hoita macrostachya
Lowell Ahart
2012-6-5
18159
Butte
On the south side of Beatson Hollow, about 1 mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 6 miles (air) north of Oroville.
Comment
JEPS46114
Hoita orbicularis
Duncan Dunning
1922-7-18
Butte
n Pulga; Flea Valley
Comment
CHSC34790
Holcus lanatus
M. S. Taylor
1978-6-24
1662
Butte
Meadow, on n side of Old Humboldt Rd, across from Butte Meadows.
1371
Comment
CHSC4308
Holcus lanatus
R. L. Smith
1966-5-20
4
Butte
Butte Creek Canyon, Honey Run Rd. 4 mi. e of S Skyway.
Comment
CHSC8213
Holcus lanatus
B. Hamilton
1969-4-15
4
Butte
Found near irrigation ditch on corner of Ord Ferry and Butte-City-Chico Rd.
Comment
SEINET10483356
Holodiscus microphyllus var. glabrescens
Mary Susan Taylor
1978-7-18
Taylor 1697
Butte
On top of Humboldt Peak, at Humboldt Summit, on Butte-Tehama County line.
2159
Comment
CAS-BOT-BC281251
Hordeum brachyantherum subsp. brachyantherum
Lowell Ahart
1988-6-21
6059
Butte
Near the Poe Power House Road, about 1 mile south of Jarbo Gap
609
Comment
CHSC109604
Hordeum brachyantherum subsp. brachyantherum
Lowell Ahart
2012-5-14
18045
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
JEPS115819
Hordeum marinum subsp. gussoneanum
Lowell Ahart
2009-4-26
15637
Butte
On the westside of Guardians Trail, just south of Pine Trail, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico
381
Comment
UC1132515
Hordeum marinum subsp. gussoneanum
C. G. Albertus
1933-5-29
7
Butte
1 1/2 mi n Wick; Chico Quad.
Comment
SEINET4343726
Hordeum murinum
Unknown
2009-5-8
15671
Butte
Riparian Woodland; On the south side of the gravel road, about 10 yards east of Cedar Grove Parking Area in Lower Bidwell Park, Chico
67
Comment
CHSC4401
Hordeum vulgare
R. Jaegel
1966-5-16
Butte
N entrance to Bidwell Park, 3 mi ne of Chico.
Comment
CHSC8217
Hordeum vulgare
D. McClain
1969-5-1
71
Butte
5 ft. s.w. of Highway 99E, 6 1/2 mi. s. of Chico.
54
Comment
CHSC29838
Horkelia californica subsp. dissita
M. S. Taylor; R. S. Schlising, L. Ahart
1980-5-31
2765
Butte
E side of Kunkle Reservoir, ca. 1/4 mi e of Pentz-Magalia Hwy, ca. 3 mi s of Paradise.
441
Comment
SEINET11910948
Horkelia californica subsp. dissita
L. Ahart, Ahart, P.
1984-1
4647
Butte
About 1mi. NE of the West Branch Bridge, ca 2mi. S of Old Yankee Hill, ca 16mi. NE of Oroville
450
Comment
UC481576
Horkelia fusca subsp. tenella
H. F. Copeland
1922-8-20
458
Butte
Jonesville
Comment
UC600383
Horkelia fusca subsp. tenella
E. B. Copeland
June, 1931
Butte
Jonesville
Comment
CAS-BOT-BC532315
Horkelia fusca var. parviflora
Milo S. Baker
1925-9-5
96 a-25
Butte
Soda Springs Ranger Station
Comment
CHSC1558
Horkelia tridentata
P. Delaplane
1965-5-4
50
Butte
Found at E end of Lake Concow on Concow Road.
1219
Comment
SEINET10838459
Horkelia tridentata
Mary Susan Taylor
1980-5-27
Taylor 2711
Butte
T21N R6E nw sec 29. Big Bend quad. Little Bald Rock, ca. 3 mi S of Brush Creek; granitic dome within Yellow Pine Forest.
1016
Comment
CAS-BOT-BC537883
Horkelia tridentata var. flavescens
F. N. Bassett
1923-6-16
s.n.
Butte
Jonesville
Comment
CAS-BOT-BC536252
Horkelia tridentata var. tridentata
H. F. Copeland
1929-6-9
1226
Butte
Jonesville
1524
Comment
CAS-BOT-BC536254
Horkelia tridentata var. tridentata
A. A. Heller
1915-6-27
12043
Butte
Jonesville in the Sierra Nevada
1676
Comment
CHSC39335
Hosackia pinnata
Lowell Ahart
1983-6-26
4139
Butte
Along the East Fork of Canyon Creek, along Ponderosa Way, about 14 miles north-east of Oroville. Note: the sign gives Big Ridge Road instead of Ponderosa Way.
500
Comment
JEPS98507
Hydrocotyle umbellata
Lowell Ahart
2000-9-2
8680
Butte
On the margins of and in a small pond, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 4 miles (air) southwest of Oroville.
42
Comment
UC1609440
Hydrophyllum occidentale
Lowell Ahart
1993-7-6
7056
Butte
about 1 air mi nw Lost Creek Reservoir Dam (Mooreville Ridge, Jackass Flat); Mooreville Ridge, Jackass Flat
1158
Comment
CAS-BOT-BC175967
Hypericum
Lowell Ahart
1977-7-19
s.n.
Butte
Peter Ahart Ranch, Honcut. Along North Honcut Creek
50
Comment
CAS-BOT-BC400825
Hypericum anagalloides
Lowell Ahart
1980-7-20
2478
Butte
At Little Bald Rock
1100
Comment
CHSC29844
Hypericum anagalloides
K. R. Stern
1979-5-23
6612
Butte
Ca. 5 mi. SW of Paradise.
182
Comment
JEPS66842
Hypericum anagalloides
W. L. Jepson
1937-8-17
19463
Butte
Feather R. bottom near Oroville; Feather R.
45
Comment
SD3069
Hypericum anagalloides
E. B. Copeland
1929-7-16
Butte
Jonesville
1550
Comment
POM196017
Hypericum androsaemum
E. B. Copeland
1929-7-16
381
Butte
Jonesville.
1550
Comment
POM135547
Hypericum concinnum
Kate Conger
1907-1
s.n.
Butte
Brush Creek
Comment
CHSC94999
Hypericum formosum var. scouleri
Lowell Ahart
2006-10-26
13510
Butte
West side of a large meadow with bogs, about 75 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1560
Comment
CHSC51886
Hypericum mutilum
L. P. Janeway; Heidi Wienert, Scott George
1988-7-27
3095
Butte
Near Sacramento River: Damp bank of W side of Murphy Slough, across from Golden State Island.
38
Comment
JEPS107575
Hypericum mutilum
Lowell Ahart
2005-8-14
12331
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
SEINET10905159
Hypericum patulum var. henryi
Mary Susan Taylor
1975-6-22
Taylor 781
Butte
California State University, Chico, campus.
61
Comment
CHSC20491
Hypericum perforatum
M. S. Taylor
1975-6-25
792
Butte
Abundant along Mud Creek, ca. 1/2 mi n of Richardson Springs Hotel, ca. 6 mi ne of Chico.
121
Comment
CHSC94032
Hypericum perforatum
R. D. Fischer
2005-6-6
737
Butte
Sierra Nevada foothills, off Hwy. 32, on 10 Mile House Road in Bidwell Park about 4 miles east of Chico. Plants found growing near trailhead adjacent highway.
457
Comment
CHSC30889
Hypochaeris glabra
J. D. Jokerst
1979-4-6
1178
Butte
Adjacent to intermittant creek. Top of North Table Mt, ca. 200 m north of Cherokee Rd where it intersects the E edge of mountain.
396
Comment
CHSC6687
Hypochaeris glabra
Marilyn Lee
1968-4-19
125
Butte
Along Cherokee Road ca 2 miles S. of Cherokee, 105 yards E. of cemetary. Table Mt.
Comment
CHSC67203
Idahoa scapigera
James D. Jokerst
1992-4-14
3346
Butte
Stone Ridge Ranch. E of Cohasset Hwy. and Chico Municipal Airport, S of barn on ridge top.
91
Comment
RSA500418
Idahoa scapigera
Vernon H. Oswald
1989-3-1
3726
Butte
S side of the East Branch of Mud Creek, E of Richardson Springs. At the falls.
Comment
CHSC6004
Ilex
M. MacArthur
1968-6-19
248
Butte
Main entrance to Auditorium, Chico State College.
60
Comment
CHSC116977
Iris macrosiphon
Matthew Forster
2013-4-9
Butte
Centerville Rd., along flumes trail.
335
Comment
CHSC23645
Iris macrosiphon
M. S. Taylor
1976-4-4
1060
Butte
S side of Ponderosa Way, ca. 3 mi w of junc of Ponderosa Way and Hwy 32, ca. 23 mi ne of Chico.
487
Comment
CHSC40324
Iris macrosiphon
Lowell Ahart
1985-3-22
4848
Butte
Found about 1/2 mile northeast of the West Branch Bridge across Lake Oroville, 1/4 mile east of Highway 70, north of Oroville.
450
Comment
SEINET10469750
Iris macrosiphon
Mary Susan Taylor
1976-4-4
Taylor 1060
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
CHSC36900
Iris tenuissima
J. D. Nishball
1982-4-16
12
Butte
Ca. 8.5 mi. se of Chico, off Honey Run Rd., s end of Covered Bridge; Butte Creek Canyon.
115
Comment
CDA43102
Isatis tinctoria
L. P. Janeway
2014-5-22
11259
Butte
Northern High Sierra Nevada.; Plumas National Forest; along the Oroville-Quincy Hwy in Brush Creek, 0.6 km northeast of the upper end of Bald Rock Road.
Comment
CHSC112440
Isoetes howellii
Lowell Ahart
2013-5-22
18703
Butte
About 1/2 mile southeast of the Honcut Cemetery, about 3 1/4 miles (air) northeast of Honcut.
54
Comment
CHSC44462
Isoetes howellii
Lowell Ahart
1988-4-6
5957
Butte
East of North Honcut Creek, on the Joie Osgood Ranch, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville.
60
Comment
SEINET223495
Isoetes howellii
Barbara Ertter, Jeff Strachan; Lowell Ahart
1980-5-7
3288
Butte
Peter Ahart Ranch ca 2.5 mi NNE of Honcut between Oroville and Marysville.
31
Comment
JEPS113334
Isoetes nuttallii
L. P. Janeway and B. Castro
2006-5-7
8579
Butte
Northern High Sierra Nevada. Top of west-facing serpentine out-cropping above Little Butte Creek 0.4 km south of Paradise Lake dam.
Comment
JEPS98584
Isoetes nuttallii
Lowell Ahart
2000-6-4
8443
Butte
about 3 1/2 mi (air) SW of Forbestown (small meadow S of intersection of Black Bart Road and Forbestown Road)
731
Comment
SEINET10530331
Isoetes nuttallii
Mary Susan Taylor
1980-3-28
Taylor 2397
Butte
T22N R2E E center sec 31. Vernal pool area 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.
69
Comment
SEINET11716738
Isoetes nuttallii
M. S. Taylor
1980-1
2678
Butte
ca 3 mi E of Lake Madrone, in tiny vernal creek running through Big Bald Rock
997
Comment
JEPS106164
Isoetes orcuttii
Lowell Ahart
2004-4-4
10726
Butte
Bottom of a vernal pool, about 1/4 mile east of Wilber Road, east of the high hill crossed by Wilber Road, cattle pasture, about 3 miles (air) west of Thermalito
48
Comment
CHSC44440
Isolepis cernua
Lowell Ahart
1988-5-29
6013
Butte
Small wash, about 1/10 mile north-east of the old barn, about 1/2 mile north-east of the Honcut Cemetary, Joie Osgood Ranch, about 4 miles north-east of Honcut.
60
Comment
CHSC45588
Isolepis setacea
M. S. Taylor
1981-5-6
3622
Butte
W side of rd leading to Jackson Ranch, ca. 5 air mi N of Feather Falls.
1127
Comment
CHSC108964
Jasminum mesnyi
Lowell Ahart; Linnea Hanson, Susan Bazell, Josephine Guardino
2012-4-16
17867
Butte
Between the edge of the paved road and the back of a home, east of the Deer Pen, between Table 12 and 13, Lower Bidwell Park, Chico.
65
Comment
JEPS114387
Jensia rammii
Lowell Ahart
2008-6-13
14823
Butte
Bottom of an old gold mined area, about 350 yards southwest of the cemetery, about 50 yards north of Oregon Gulch, about 10 miles (air) northeast of Oroville
305
Comment
UC1950053
Juglans californica var. hindsii
Lowell Ahart
2009-7-3
15988
Butte
10 yards south of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove parking area, Lower Bidwell park, Chico
67
Comment
CDA37214
Juncus acuminatus
CDFA Staff
2004-7-1
s.n.
Butte
Thermalito Afterbay.
0
Comment
CHSC30433
Juncus acuminatus
NEH Prouty
1980-4-27
154
Butte
Richvale vernal pools.
33
Comment
SD135659
Juncus acuminatus
Lowell Ahart
1980-8-18
2586
Butte
Peter Ahart Ranch, Honcut. Foothill woodland.
49
Comment
CHSC37255
Juncus articulatus
L. Ahart
1982-8-22
3747
Butte
Along edges of North Honcut Creek, Peter Ahart Ranch, ca. 1 mi n and 3 mi e of Honcut.
50
Comment
SEINET10472234
Juncus articulatus
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4136
Butte
T20N R5E se/ne sec 10. Along edge of East Fork Canyon Creek, near Ponderosa Way (Big Ridge Rd), ca. 14 mi ne of Oroville. Foothill Woodland; 500 m.
500
Comment
SEINET10971375
Juncus balticus
Lowell Ahart
1984-5-6
Ahart 4586
Butte
T17N R4E. Along North Honcut Creek, Peter Ahart Ranch, ca. 1.3 mi N and 3 mi E of Honcut; ca. 12 mi S of Oroville. Foothill Woodland; 50 m.
50
Comment
JEPS113866
Juncus brachyphyllus
Lowell Ahart
2007-6-12
14080
Butte
On east side of Rockerfeller Road, at the intersection of Bald Rock Road and Rockerfeller Road, about 13 miles (air) northeast of Oroville
1011
Comment
CHSC102420
Juncus bufonius var. bufonius
Lowell Ahart
2009-7-9
16005
Butte
On damp to wet soil, in ditch, on the east side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of highway 32, about 10 miles northeast of Chico.
236
Comment
CHSC44442
Juncus bufonius var. bufonius
Lowell Ahart
1988-6-29
6094
Butte
South of Bean Creek Road, about 1/2 mile south-east of Little Bald Rock.
975
Comment
CHSC78328
Juncus bufonius var. bufonius
Lowell Ahart
2000-6-27
8511
Butte
Big Bald Rock, about 3 miles (air) east of Madrone Lake, about 12 miles (air) northeast of Oroville.
993
Comment
CHSC82417
Juncus bufonius var. bufonius
Lowell Ahart
2002-5-7
9633
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
CHSC94621
Juncus bufonius var. bufonius
Lowell Ahart
2006-9-11
13300
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
CHSC98806
Juncus bufonius var. bufonius
Lowell Ahart
2008-5-2
14707
Butte
Below the high water line of Lake Oroville, about 100 yards southwest of the Enterprise Boat Launch Area, about 10-1/2 miles (air) northeast of Oroville.
238
Comment
JEPS98295
Juncus bufonius var. bufonius
Lowell Ahart
2000-6-27
8511
Butte
Big Bald Rock, 3 air mi E of Madrone Lake, 12 air mi NE of Oroville
993
Comment
CHSC90947
Juncus bufonius var. congestus
Lowell Ahart
2005-4-18
11737
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
UC1250332
Juncus capitatus
Annetta Carter
1942-5-2
1670
Butte
s of Oroville
Comment
CHSC42377
Juncus covillei
Lowell Ahart
1987-5-27
5707
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
JEPS87455
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
CHSC28546
Juncus effusus subsp. pacificus
M. S. Taylor
1978-7-18
1721
Butte
On n side of Butte Creek, ca. 1/8 mi w of Road Island jct, at jct of Butte Creek and Old Humboldt Rd, ca. 1 mi w of Cherry Hill Campground, sw of Jonesville.
1524
Comment
JEPS118084
Juncus effusus var. pacificus
Lowell Ahart
2011-8-23
17646
Butte
In the large meadow, Pinkard Creek flows through the meadow, east of the corral, about 1 mile north of Lost Creek Reservoir Dam, about 4 miles (air) northeast of Clipper Mills. Meadow in Yellow Pine Forest
1133
Comment
CHSC41305
Juncus ensifolius
S. C. Morey
1983-7-22
541
Butte
Cherry Hill Meadow. On n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows.
1414
Comment
POM219442
Juncus ensifolius
H. F. Copeland
1928-8-18
414
Butte
Neighborhood of Jonesville.
1524
Comment
JEPS110165
Juncus howellii
Lowell Ahart
2006-8-15
13178
Butte
North edge of a wet area west of a large open meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows
1569
Comment
POM183199
Juncus howellii
H. F. Copeland
1930-7-28
1371
Butte
Neighborhood of Jonesville.
1829
Comment
CAS-BOT-BC110148
Juncus leiospermus var. ahartii
Lowell Ahart
1980-5-10
2238
Butte
Peter Ahart Ranch near Honcut.
50
Comment
CHSC103713
Juncus leiospermus var. leiospermus
Lowell Ahart
2010-5-22
16726
Butte
About 100 yards east of Cherokee Road, about 200 yards northeast of parking area, North Table Mountain, about 4 1/2 miles (air) northeast of Oroville.
385
Comment
CHSC93476
Juncus leiospermus var. leiospermus
Lowell Ahart
2006-5-3
12558
Butte
On the sides of vernal pools, 20 feet south of the fence, about 5/8 mile north of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
405
Comment
CHSC93491
Juncus leiospermus var. leiospermus
Lowell Ahart
2006-5-8
12581
Butte
On the bottom of a tire track through a marshy area, about 20 yards east of Cherokee Road, about 100 yards northeast of the large unimproved parkin area, North Table Mountain, about 7 miles (air) north of Oroville.
377
Comment
CHSC82471
Juncus occidentalis
Lowell Ahart; John Dittes, Josephine Guardino
2002-6-21
9740
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
CHSC49624
Juncus oxymeris
Vernon Oswald
1987-5-18
2911
Butte
Rancho Bosquejo. East side of the Sacramento River at the w end of Cana Hwy (Feenstra's Riverview Orchard). Along the edge of pool.
48
Comment
CHSC57213
Juncus parryi
L. P. Janeway
1987-7-5
2455
Butte
At end of old logging road east of the Concow Road and 1.0 mi southwest of Jones Meadow. At granite outcroppings overlooking Balsam and Big Kimshew Creeks.
1798
Comment
UC600813
Juncus parryi
H. F. Copeland
1930-7-12
Butte
above Butte Creek House; Jonesville
Comment
CHSC100489
Juncus patens
Lowell Ahart; John Dittes, Josephine Guardino
2008-11-8
15418
Butte
In the center of Cedar Grove, Lower Bidwell Park, Chico.
67
Comment
JEPS121384
Juncus tenuis
Peter F. Zika
2011-7-7
25541 A
Butte
near parking for Big Bald Rock Trailhead, 0.2 air miles E of Big Bald Rock
Comment
CHSC31924
Juncus uncialis
J. D. Jokerst; B. Banchero, R. A. Schlising
1980-5-16
840 A
Butte
N of and adjacent to Humboldt Rd., 0.1 mi W of its junction with the Skyway in the community of Butte Meadows.
Comment
CHSC97203
Juncus usitatus
Lowell Ahart
2007-7-27
14397
Butte
On the south strand of Thermalito Afterbay, about 200 yards north of Highway 162, about 5 miles west of the intersection of Highway 162 and Highway 70, about 5 1/2 miles (air) west of Oroville.
36
Comment
JEPS124333
Juncus usitatus
Lowell Ahart
2015-10-16
20560
Butte
About half way of and east of One Mile Pond, about 6 miles (air) east of Biggs.
Comment
CHSC6610
Juniperus sabina
M. MacArthur
1968-6-17
295
Butte
S. end of Ed. Psyc. Building on the Chico State College campus.
60
Comment
RSA293236
Keckiella breviflora subsp. glabrisepala
D. C. Michener
1980-8-4
3777
Butte
Northern Sierra Nevada. Feather River Canyon, 4.4 miles north of Pulga on CA 70.
500
Comment
CHSC38692
Keckiella breviflora var. glabrisepala
Vernon Oswald
1983-5-18
502
Butte
Upper Bidwell Park, Chico, near Yahi Trail 100 ft w of Parking Area P (2.0 mi e of the power lines).
195
Comment
SEINET13711424
Kickxia elatine
Lowell William Ahart, Lowell William Ahart
1999-1
8132
Butte
12 Air Mi SW of Chich, 2 Mi SE Ordbend, Sacramento River
Comment
CHSC46287
Kochia scoparia
Vernon Oswald
1989-5-15
3768
Butte
Butte Sink Wildlife Area (w portion of Schohr Ranch). On the ranch road just s of the lighted parking area near the south gate.
18
Comment
SEINET10869044
Koeleria phleoides
Mary Susan Taylor
1978-5-7
Taylor 1594
Butte
In Valley Grassland, on E side of Williams Road, ca. 1/4 mi N of Pentz Road, on Butte College Campus, ca. 15 mi S of Chico.
30
Comment
CHSC26744
Kyhosia bolanderi
M. S. Taylor; M. Hayes, R. Schlising
1977-8-17
1469
Butte
Meadows, around Julies Creek, between Old Humboldt Rd and Butte Creek, ca. 3.4 mi e of Butte Meadows.
1341
Comment
CHSC75309
Kyllinga brevifolia
Lowell Ahart
1999-5-24
8082
Butte
Along the steps on the south side of the building, Butte County Historical Society museum, 2335 Baldwin Avenue, Oroville.
60
Comment
SEINET10474760
Lactuca scariola var. integrata
Mary Susan Taylor
1977-8-16
Taylor 1452
Butte
Butte College Campus, ca. 15 mi S of Chico. With Marc Hayes.
61
Comment
CAS-BOT-BC341292
Lagophylla glandulosa
John Thomas Howell
1962-6-15
37486
Butte
Magalia
731
Comment
UC828872
Lagophylla glandulosa
A. A. Heller
1915-8-20
12200
Butte
on treeless hills 8 mi n Oroville
Comment
CAS-BOT-BC341294
Lagophylla glandulosa
Lowell Ahart
1979-5-20
s.n.
Butte
Peter Ahart Ranch, Honcut
50
Comment
CAS-BOT-BC341303
Lagophylla glandulosa
David D. Keck
1930-7-25
974
Butte
6.5 miles east of Oroville on Forbestown road
425
Comment
CAS-BOT-BC341313
Lagophylla glandulosa
David D. Keck
1930-7-25
974
Butte
6.5 miles east of Oroville on Forbestown road
425
Comment
POM194883
Lagophylla glandulosa
H. M. Hall
1914-7-17
9753
Butte
Neal Grade, between Chico and Paradise.
213
Comment
CHSC38370
Lagophylla ramosissima subsp. ramosissima
Vernon Oswald
1983-5-27
564
Butte
Upper Bidwell Park. Chico, along the South Rim Trail between the Golf Course and the power lines.
121
Comment
CHSC3481
Lamium amplexicaule
Roger Jaegel
1966-3-14
57
Butte
Located four miles west of Chico in a young orchard along the bank of the Sacramento River near the Highway 32 bridge.
Comment
CHSC90199
Lamium amplexicaule
Robert Kissane
1989-4-23
18
Butte
On Moore's ranch, 2090 Oak Park Ave., Chico.
70
Comment
CHSC8117
Lasthenia californica
J. G. Moore
1969-4-13
74
Butte
Pentz Rd., 200 yds. e of Hwy. 99, on s side of road.
60
Comment
CHSC38372
Lasthenia fremontii
Vernon Oswald
1983-4-6
280
Butte
Upper Bidwell Park, Chico, in the Omicron Enclosure ca. 750 ft e of the junction of Wildwood Ave. and Upper Park Rd.
85
Comment
UC472213
Lasthenia fremontii
Francis Ramaley
1917-5-6
11216
Butte
near Chico
Comment
CAS-BOT-BC354123
Lasthenia fremontii
Ahart Lowell
1983-5-12
3974
Butte
Valley Grassland. Red gravelly soil along the power line, about 0.5 mile NE of Highway 99 & Pentz Road.
65
Comment
CHSC30059
Lasthenia glaberrima
R. A. Schlising
1980-4-27
3575
Butte
Richvale vernal pools; 1/4 mi s of jct Hwy 162 (e to Oroville) and Hwy 99, along latter and across from Thermalito Afterbay.
Comment
SEINET10475229
Lasthenia glabrata
Mary Susan Taylor
1975-4-11
Taylor 422 A
Butte
Ca. 1/4 mi E of Salmon Hole, between Chico Creek and Upper Bidwell Park Rd, Upper Bidwell Park, Chico. Associates: Quercus spp., Pinus sabiniana, Galium aparine, Brodiaea hyacinthina. Foothill Woodland.
183
Comment
UC2061406
Lasthenia gracilis
Rachael L. Olliff Yang with Meagan F. Oldfather
2017-4-5
12
Butte
Table Mountain, about 100 m North of the main public parking lot.
Comment
CHSC57806
Lathyrus cicera
Vernon H. Oswald; John Dittes
1992-4-28
4925
Butte
Near the southern end of Libby RD in SE Paradise.
469
Comment
UC204733
Lathyrus jepsonii var. californicus
A. A. Heller
1914-5-1
11345
Butte
w of Chico (bank of Sacramento River); Sacramento River
Comment
SEINET12164065
Lathyrus nevadensis
Unknown
1980-1
19
Butte
ca .6miN of Lumpkin Rd, ca .2miW of Nutmeg Crk tributary, ca 2yds E of a dirt rd see comments
732
Comment
CHSC65554
Lathyrus nevadensis var. nevadensis
L. P. Janeway
1995-6-6
4774
Butte
South-trending ridgetop at the far western end of Jackson Ranch Ridge, about 0.9 mi east-northeast of the falls of Feather Falls.
749
Comment
RSA517347
Lathyrus sphaericus
Barbara J. Ertter, Lowell Ahart
1986-4-13
5887
Butte
2 air miles NNE of Honcut between Oroville and Marysville, Peter Ahart Ranch (mostly used as sheep pasture).
30
Comment
UC1561885
Lathyrus sphaericus
Barbara Ertter with Lowell Ahart
1986-4-13
5887
Butte
ca 2 air mi nne Honcut (Peter Ahart Ranch, between Oroville and Marysville)
30
Comment
CHSC31837
Lathyrus sulphureus
L. Ahart
1977-4-16
1308
Butte
Peter Ahart Ranch, Honcut. Along the banks and sides of North Honcut Creek.
50
Comment
SEINET10452343
Lathyrus sulphureus
Mary Susan Taylor
1976-4-27
Taylor 1092
Butte
Abundant in Yellow Pine Forest, on N or S side of Ponderosa Way, ca. 1-4 mi E of junction of Villas Rd and Cohasset Hwy, ca. 23 mi NE of Chico.
610
Comment
CHSC3305
Lathyrus tingitanus
M. L. Hillier
1966-5-1
Butte
Along rd. side 7 miles n.e. of C.S.C. Admin. building on Humbug Rd.
Comment
CHSC114985
Lavandula
Lowell Ahart
2015-4-11
20027
Butte
On the north side of Lower Honcut Road, about 1/4 mile west of the intersection of Palermo Honcut Highway and Lower Honcut Road, west of Honcut, about 13 miles (air) south of Oroville.
23
Comment
POM183412
Layia fremontii
L. S. Rose
1931-4-12
s.n.
Butte
Honcut
Comment
CAS-BOT-BC321756
Layia fremontii
A. A. Heller
1914-4-4
11292
Butte
Hills 8 miles N of Oroville
Comment
CAS-BOT-BC321761
Layia fremontii
C. C., Mrs. Bruce
1897-4-1
1845
Butte
Little Chico Plains
Comment
SEINET7042711
Layia fremontii
A. G. Vestal
1963-5-9
s.n.
Butte
Ca. 14.2 miles southeast of Chico. Nelson quadrangle UTM Zone 10, 606440mE, 4378330mN.
Comment
CHSC42915
Leersia oryzoides
Lowell Ahart
1987-7-3
5777
Butte
Along the North Fork of the Feather River, neaar the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CHSC109775
Lemna minuta
Lowell Ahart
2012-10-20
18491
Butte
About 50 yards east of Table 5, west of Cedar Grove, Lower Bidwell Park, Chico.
68
Comment
CHSC109659
Leontodon saxatilis subsp. longirostris
Lowell Ahart
2012-5-14
18054
Butte
North edge of the path to Table 12, south of Big Chico Creek, north of the paved road, Lower Bidwell Park, Chico.
74
Comment
UCR237329
Leontodon taraxacoides
George K. Helmkamp, E. A. Helmkamp
2012-4-14
18736
Butte
Northern Sacramento Valley, Middle Honcut Road, 1.5 miles east of CA-70, ESE of Gridley
18
Comment
CAS-BOT-BC215737
Lepechinia calycina
W. I. Follett
1936-5-9
43
Butte
5.6 mi. SW of Forest Ranch
548
Comment
CHSC102419
Lepidium campestre
Lowell Ahart
2009-7-9
16017
Butte
On dry sandy soil, on the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of highway 32, about 10 miles northeast of Chico.
203
Comment
UC856524
Lepidium nitidum
A. A. Heller
1915-2-26
11764
Butte
6 mi e Chico (near Hog Springs)
Comment
SEINET10907265
Lepidium nitidum
Mary Susan Taylor
1974-3-26
Taylor 88
Butte
Meadow in vicinity of Stillson Canyon and Old City Dump, ca. 2 mi E of Chico; soil wet rocky clay.
Comment
SEINET5326385
Lepidium nitidum var. nitidum
R. R. Halse
2002-3-27
6153
Butte
At the junction of State Hwy 99 and Hamilton Nord Cana Hwy. Ca 8 miles NW of Chico
40
Comment
CAS-BOT-BC12846
Lepidium pinnatifidum
Lowell Ahart
1981-7-26
3013
Butte
Gray Lodge, southwest of Gridley.
35
Comment
CHSC113099
Leptochloa fusca subsp. fascicularis
Lowell Ahart
2013-10-12
19109
Butte
On the east side of Palermo Honcut Highway, about 20 yards south of Palermo Road, Palermo.
51
Comment
JEPS110445
Leptochloa fusca subsp. uninervia
Lowell Ahart
2005-12-11
12517
Butte
On the sides of small ditches, on the Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Highway, about 2 1/4 miles (air) east of Biggs
30
Comment
RSA713010
Leptochloa fusca subsp. uninervia
L. Ahart
2005-12-11
12517
Butte
on Rice Experiment Station, between the Main Ditch and Stine Lateral, on the north side of Hamilton Road, about 1/4 mile east of Riceton Highway, about 2 1/4 miles (air) east of Biggs
30
Comment
CAS-BOT-BC226522
Leptosiphon acicularis
Lowell Ahart
1986-4-4
5243
Butte
About 2 1/2 miles north and 2 1/2 miles east of Honcut, about 12 miles south of Oroville
82
Comment Read comments Jul 19 2018
CAS-BOT-BC226524
Leptosiphon acicularis
Lowell Ahart
1971-4-21
s.n.
Butte
Peter Ahart Ranch, Honcut
150
Comment Read comments Jul 19 2018
CHSC113227
Leptosiphon bicolor
Lowell Ahart
2014-5-2
19436
Butte
Along the trail, north side of Beatson Hollow, about 1 1/2 miles southwest of the Improved Parking Area and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
305
Comment
CHSC1276
Leptosiphon bicolor
R. Carter
1964-3-13
42
Butte
Bidwell Park, Chico, across from golf course beside building at old rifle range.
Comment
POM253017
Leptosiphon bicolor
A. A. Heller
1938-4-11
15022 a
Butte
Back of the rifle range east of Chico.
91
Comment Read comments Jul 31 2010
CHSC2379
Leptosiphon ciliatus
R. Carter
1965-4-12
179
Butte
Found ca. 7.5 mi. E of Oroville at 6120 W.S.R., 30 yds. due E of garage growing along foot path.
274
Comment
CHSC2430
Leptosiphon filipes
R. Carter
1965-6-17
236
Butte
Found ca. 15 mi. NE of Oroville at Bald Rock Dome, 15 yds. E of Bean Creek Rd. on road that goes to the dome.
1051
Comment
CAS-BOT-BC341781
Lessingia nemaclada
Lowell Ahart
1980-9-10
2643
Butte
7 miles east of Milsap Bar
1200
Comment
CHSC88092
Lessingia nemaclada
Jenny Marr
1993-7-1
98
Butte
Located in Northern Sierra Nevada, between Concow and Pulga, on a serpentine rock outcrop belonging to LNF. Site approx. 4 air miles NE of Concow Reservoir.
1105
Comment
CHSC94563
Lessingia nemaclada
Lowell Ahart
2006-9-13
13331
Butte
On both sides of Highway 70, at the Cresta Power House, about 2 3/4 miles northeast of Pulga, about 23 miles (air) northeast of Oroville.
452
Comment
SEINET10474782
Lessingia nemaclada
Mary Susan Taylor
1975-9-19
Taylor 917
Butte
Ca. 0.5 mi N of Magalia, ca. 50 ft E of Skyway; serpentine area surrounded by Yellow Pine Forest.
610
Comment
CAS-BOT-BC342061
Lessingia virgata
Lowell Ahart
1976-9-4
s.n.
Butte
Peter Ahart Ranch, Honcut
45
Comment
CHSC28736
Lessingia virgata
Robert Schlising
1979-10-4
3494
Butte
Archery range just e of lake in Bidwell Park, Chico.
Comment
UCD169079
Lessingia virgata
Ramona Robison
2013-4-15
12
Butte
Clay Pit State Vehicular Recreation Area, located two miles west of the town of Oroville.
41
Comment
CHSC50402
Leucanthemum maximum
Vernon Oswald; Lowell Ahart
1990-6-27
4322
Butte
West side of Galen Creek, ca. 0.5 mi northeast of Berry Creek and Madrone Lake.
609
Comment
CHSC42469
Leucanthemum vulgare
Lowell Ahart
1987-5-27
5692
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
UC444989
Ligusticum grayi
E. B. Copeland
Aug, 1930
Butte
Jonesville
1500
Comment
CAS-BOT-BC451601
Lilaea scilloides
Lowell Ahart
1989-5-23
6240
Butte
North of the new subdivision road, 1/2 mile east of Dunstone Drive, about 1/2 mile north of Bangor Park Road, west of Bangor
76
Comment
CHSC38881
Lilium humboldtii subsp. humboldtii
Vernon Oswald
1983-6-9
659
Butte
Upper Bidwell Park, Chico, near Brown's Hole. ... Field redacted by CHSC, contact the data manager for more information
195
Comment
CHSC43047
Lilium pardalinum subsp. pardalinum
L. P. Janeway
1987-6-27
2334
Butte
Along dirt rd 0.6 mi east of Ramsey Bar; just north of 'The Big Hill.
1386
Comment
UC600465
Lilium washingtonianum subsp. washingtonianum
E. B. Copeland
Jul 1930
Butte
Jonesville
1600
Comment
CAS-BOT-BC110624
Limnanthes alba
Lowell Ahart
1980-4-28
2113
Butte
Peter Ahart Ranch, near Honcut.
50
Comment
CHSC88572
Limnanthes alba subsp. alba
T. W. Henrich
2004-4-12
Butte
Meghdadi Property' in southeast Chico; about 0.5 km north of Doe Mill Road, about 0.5 km east of south end of Potter Road, and 0.25 km west of old stone fence.
Comment
UCR224690
Limnanthes alba subsp. alba
Dena Grossenbacher, Joel Smith
2009-5-9
986
Butte
On south shore of Wyandotte Lake along Forbes Town Road, 2.0 miles east of Hwy 62
427
Comment
CHSC111363
Limnanthes alba subsp. versicolor
Lowell Ahart
2012-5-4
17986
Butte
About 200 feet south of stream in Beatson Hollow, about 1 1/4 mile NW of the iron gate on the north side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
Comment
CHSC83909
Limnanthes douglasii subsp. nivea
Lowell Ahart
2003-4-10
10083
Butte
Along a drainage, southwest of the 'sunken area,' on the top of South Table Mountain, about 2 1/2 miles (air) north of Oroville.
310
Comment
CHSC36134
Limnanthes douglasii subsp. rosea
Greg C. Halcomb
1978-3-14
2
Butte
Ca. 1 mi e of Chico at intersection of Bruce Rd. and Skyway Rd. and 100 yds wnw of Bruce Rd.
70
Comment
RSA33078
Limnanthes douglasii subsp. rosea
A. A. Heller
1938-4-14
s.n.
Butte
Flat, treeless summit of Table Mountain north of Oroville. Upper Sonoran Life Zone.
305
Comment
HSC43353
Limnanthes douglasii subsp. rosea
Maralyn O'Meara
1974-4-20
265
Butte
Skyway Rd., 1 mi. E of US 99
61
Comment
RSA614435
Limnanthes douglasii subsp. rosea
K. L. Chambers
1962-4-21
2113
Butte
Hwy. 99E, 11.6 mi, N. of its junction with Hwy. 32 in Chico.
Comment
CHSC102548
Limnanthes floccosa subsp. californica
Elena Gregg
2010-3-31
Butte
Northern Sacramento Valley. Near the base of the foothills in-between where Wookey Road and Munjar Road terminate.
97
Comment
UC203613
Limnanthes floccosa subsp. californica
A. A. Heller
1914-4-3
11261
Butte
8 mi from Oroville (on Chico-Oroville road, below blue oak belt)
Comment
UC971798
Limnanthes floccosa subsp. californica
Charles T. Mason Jr.
1949-4-24
1254
Butte
Table Mt. Oroville (summit)
Comment
SEINET7072745
Linanthus filipes
A. G. Vestal
1963-5-9
s.n.
Butte
About 3.5 miles north of Oroville. Coordinate datum WGS 84/NAD83. (UTM Zone 10, 623209mE, 4374845mN. Coordinate datum: NAD 27.)
Comment
SEINET10496803
Linanthus harknessii
Mary Susan Taylor
1978-7-19
Taylor 1772
Butte
On E side of Upper Scotts John Road, ca. 3 mi N of its junction with Scotts John Road, ca. 7 mi E of Jonesville.
1890
Comment
CHSC116286
Lindernia dubia var. anagallidea
Lowell Ahart
2015-10-26
20609
Butte
Strand of Lake Oroville, on west side of West Branch of Feather River, about 1 mile (air) southeast of Knunckle Reservoir, about 5 miles (air) southeast of Paradise.
207
Comment
JEPS113498
Lindernia dubia var. anagallidea
Lowell Ahart
2007-7-8
14271
Butte
On the north side of North Honcut Creek, Peter Ahart Ranch, about 3/4 miles north and 2 1/2 miles east of Honcut, about 12 miles (air) southeast of Oroville
Comment
CAS-BOT-BC240367
Linnaea borealis subsp. longiflora
Lowell Ahart
1987-5-22
5680
Butte
About 1/8 mile north-east of Camp 18, about 6 1/2 miles north-east of Feather Falls
1219
Comment
CHSC74726
Lipocarpha aristulata
B. Castro
1987-8-25
203 A
Butte
Lower Butte Creek, on cobble and gravel bars along S edge, ca 0.25 mi E of its crossing under Hwy 99, and 2.1 mi S of the Skyway.
60
Comment
CHSC97417
Lipocarpha micrantha
Robert Fischer
2006-6-18
1021
Butte
Chico. Within upper Bidwell Park in the City of Chico.
60
Comment
CAS-BOT-BC111976
Lipocarpha micrantha
Lowell Ahart
1983-9-17
4430
Butte
Near Kunkle Res, near Paradise.
600
Comment
UC1135274
Lithocarpus densiflorus
C. G. Albertus
1933-7-25
51
Butte
1 mi n Powellton; Chico Quad.
1097
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
CHSC3976
Lithophragma
E. P. Parreno
1967-4-10
Butte
Not so common locally. 300 yards from covered bridge.
Comment
RSA638247
Lithophragma bolanderi
Michael A. Vincent, Ethan H. Freid
1998-4-6
8135
Butte
Table Mountain
Comment
CHSC36357
Lithophragma parviflorum
J. D. Jokerst; R. A. Schlising
1982-6-4
1588
Butte
At the headwaters of Concow Creek. South of and adjacent to Flea Valley.
1097
Comment
CHSC96642
Lithophragma parviflorum var. trifoliatum
Lowell Ahart
2007-3-28
13602
Butte
By Jurassic-Triassic metavolcanic rocks, Peter Ahart Ranch, about 2 1/4 miles north and 2 1/3 miles east of Honcut, about 12 miles southeast of Oroville.
52
Comment
RSA176430
Lithophragma parviflorum var. trifoliatum
A. A. Heller
1921-3-27
13531
Butte
Along Butte Creek E of Chico near the Honey Run grade bridge.
Comment
CHSC39659
Lithospermum californicum
Lowell Ahart
1983-6-21
4090
Butte
Found along Bloomer Hill Road, about 1 1/4 miles west of the Oroville Quincy Highway, about 15 miles north-east of Oroville. Section 31.
450
Comment
SEINET10497328
Lithospermum californicum
Mary Susan Taylor
1976-4-4
Taylor 1055
Butte
Yellow Pine Forest, ca. 2 mi W of junc tion of Ponderosa Way and Hwy 32, ca. 5-15 ft S of Ponderosa Way, ca. 23 mi NE of Chico; with Sanicula bipinnata.
610
Comment
CHSC80515
Lobularia maritima
Lowell Ahart
2001-4-15
8722
Butte
On the north side of the dirt road east of the large pump, on the south side of Evans-Reimer Road, about 1 mile east of Pennington Road, Gray Lodge Waterfowl Management Area, about 4 miles (air) southwest of Gridley.
22
Comment
CHSC393
Logfia filaginoides
B. Richardson
1929-4-21
Butte
Flats above Chico.
67
Comment
CHSC82438
Logfia gallica
Lowell Ahart
2002-5-7
9609
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
JEPS127021
Logfia gallica
Lowell Ahart
2016-6-4
20922
Butte
On the north side of Lumpkin Road, about 100 yards north of McCabe Creek, about 3 miles (air) west of Forbestown.
Comment
CHSC31418
Lolium multiflorum
L. Orme
1980-3-14
1
Butte
.4 km. W. of railroad tracks, .8 km. SW. of Chico. Edge of field.
55
Comment
UC1561972
Lolium multiflorum
Barbara Ertter with Lowell Ahart
1986-4-13
5889
Butte
ca. 2 airmiles nne Honcut (between Oroville and Marysville, Peter Ahart Ranch); Peter Ahart Ranch
30
Comment
UC204470
Lolium multiflorum
A. A. Heller
1914-5-19
11420
Butte
8 mi n Oroville
Comment
CHSC2161
Lolium perenne
H. Silberman; D. Isaac
1949-5-9
Butte
West side of football field, CSC campus.
54
Comment
CDA35635
Lolium temulentum
J. R. Keck Jr.
1981-5-13
PDR# 330199
Butte
Oroville.
0
Comment
CHSC32755
Lomatium marginatum
J. D. Jokerst; R. A. Schlising
1981-4-16
1297
Butte
S side of Olive Highway, 0.3 mi SW of it's junction with Forbestown Rd (ca. 6.0 mi E of Oroville).
Comment
JEPS110244
Lomatium marginatum var. marginatum
Lowell Ahart
2006-5-8
12606
Butte
North of Phantom Falls, about 3/4 mile northwest of the parking area, cow chute, and Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
384
Comment
CHSC30824
Lomatium utriculatum
M. S. Taylor; J. D. Jokerst
1980-4-18
2534
Butte
On bluffs on e side of Humbug Rd, ca. 2 mi ne of Centerville.
457
Comment
JEPS115820
Lomatium utriculatum
Lowell Ahart
2009-4-26
15646
Butte
About 10 miles northeast of Chico, Upper Bidwell Park about 1/2 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, on the east side of Guardians Trail, about 200 yards southwest of Pine Trail
381
Comment
SEINET12121859
Lomatium utriculatum
Unknown
1985-1
4976
Butte
W of Lunt Road, about 0.5 mi N of intersection of Lunt Rd & Hwy 70, N of Yankee Hill, N of Oroville
503
Comment
LA205972
Lonicera conjugialis
E. B. Copeland;
1930-6-27
sn
Butte
Jonesville
1550.0
Comment
CAS-BOT-BC240451
Lonicera hispidula
Mary E. Wall
1936-6-1
s.n.
Butte
Paradise
Comment
CDA18830
Lonicera hispidula
Riley, Ranft
1999-6-28
PDR 1145797
Butte
along N/S Forbestown Rd, 1.4 mi E of Black Bart Rd., Oroville.
0
Comment
CHSC42018
Lonicera hispidula
Lowell Ahart
1975-9-4
983
Butte
West of Ponderosa Way, near Sunset Hill, about 3 miles west of Forbestown.
426
Comment
CHSC44384
Lonicera hispidula
Lowell Ahart
1988-6-23
6067
Butte
Just east of the intersection of Black Bart Road and Forbestown Road, about 1 mile west of Robinson Mill Road.
670
Comment
CHSC109073
Lonicera japonica
Lowell Ahart; Linnea Hanson, Kaline Le Coq, Josephine Guardino
2012-4-27
17914
Butte
On the north side of the path, near Table 17, on the north side of Centennial Avenue, Lower Bidwell Park, Chico.
80
Comment
SEINET10451959
Lotus argophyllus var. fremontii
Lowell Ahart, Peter Ahart
1983-6-26
Ahart 4162
Butte
T21N R6E sw sec 33. Along Bean Creek Rd, ca. 2 mi s of Little Bald Rock, ca. 19 mi ne of Oroville. Foothill Woodland; 800 m.
800
Comment
SEINET12162063
Lotus micranthus
Unknown
1972-1
s.n.
Butte
N side of Hwy 32 ca 12.5 mi E of Hwy 99 overpass
Comment
SEINET5736944
Lotus nevadensis
Lowell Ahart
1985-1
5039
Butte
Lake Oroville, at the Enterprise Launch Area and about 0.75 mile W of the Enterprise Bridge across Lake Oroville, NE of Oroville.; Oroville
274
Comment
SEINET10452008
Lotus purshianus
Mary Susan Taylor
1980-6-14
Taylor 2873
Butte
T21N R6E nw sec 29. Big Bend quad. Little Bald Rock, on granite dome, ca. 4 mi E of Lake Madrone.
1016
Comment
CDA34633
Lotus purshianus var. purshianus
L. Ahart
2009-6-19
15930
Butte
On the north side of Ten Mile House Road, Upper Bidwell Park, about 3/8 mile (air) southwest of the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
Comment
JEPS55747
Lotus purshianus var. purshianus
Harry A. Dutton
1921-1
Butte
Chico
Comment
JEPS98308
Lotus purshianus var. purshianus
Lowell Ahart
2000-6-27
8525
Butte
12 air miles NE of Oroville (N part of Big Bald Rock, 100 yds S and W of the N and E forest line, 3 air miles E of Madrone Lake)
963
Comment
RSA769900
Lotus purshianus var. purshianus
George K. Helmkamp, E. A. Helmkamp
2009-9-5
15576
Butte
Lower Honcut Road, 0.8 mile east of its junction with CA-70, 2.5 mi. WSW (261 deg ) of Honcut, 6.6 mi. SE (116 deg ) of Gridley
27
Comment
SEINET10874113
Lotus subpinnatus
Mary Susan Taylor
1978-5-7
Taylor 1616
Butte
In and around Richvale vernal pool area, ca. 20 mi S of Chico, on W side of Hwy 99; Valley Grassland.
30
Comment
UC204727
Lotus wrangelianus
A. A. Heller
1914-5-28
11238
Butte
8 mi n Oroville
Comment
UCD150370
Ludwigia palustris
William Anderson
1964-8-15
s.n.
Butte
Willows-Biggs Rd.
Comment
CHSC43053
Lunaria annua
Pauleen Broyles
1986-4-13
950
Butte
Town of Paradise. East side of bike path (old RR bed), adjacent to fence, just south of Maxwell Road.
Comment
CHSC65560
Lupinus albicaulis
L. P. Janeway
1995-6-6
4771
Butte
South-trending ridgetop at the far western end of Jackson Ranch Ridge, about 0.9 mi east-northeast of the falls of Feather Falls.
1054
Comment
SEINET11268145
Lupinus albicaulis
Lowell Ahart
1993-6-16
6965
Butte
South-west of the intersection of Black Bart Road and Forbestown Road, about 3 1/2 (air) miles south-west of Forbestown.; 0
610
Comment
SEINET5766816
Lupinus albifrons
H. E. Brown
1897-1
201
Butte
near Clear Creek
Comment
SEINET10488402
Lupinus albifrons
Mary Susan Taylor
1981-5-5
Taylor 3480
Butte
T21n,r4e,sec.2 se 1/4. Berry creek quad. E side of dark canyon road, 2.2 miles S of its junction with big bend roads, ca 3 air miles s of jarbo gap on hwy 70. Steep rock-wall, open. Assoc.; Mimulus kelloggii, diplacus grandiflorus
427
Comment
CAS-BOT-BC196248
Lupinus albifrons var. eminens
A. A. Heller
1915-3-25
11782
Butte
Southwest end of the Marysville Buttes
Comment
UC426914
Lupinus arbustus
E. B. Copeland
1930-6-29
421
Butte
Jonesville
1600
Comment
CHSC90490
Lupinus bicolor
Andrew D. Lane
1984-4-22
9
Butte
Salmon Hole, ca. 6.7 km ne of jct of Hwys 99 and 32, ca. 50 m n of Big Chico Creek.
115
Comment
JEPS103396
Lupinus bicolor
Lowell Ahart
2002-4-14
9488
Butte
Nelson, between the Railroad and the Midway Road, 50 yds N of Nelson Dlavo Road
36
Comment
UC725710
Lupinus bicolor
A. A. Heller
1914-3-26
11227
Butte
Canon hf Big Chico creek 6 miles E of Chico.
Comment
SEINET11263971
Lupinus bicolor var. tridentatus
Lowell Ahart
2002-4-14
9488
Butte
Disturbed area between the railroad and the Midway Rd, 50 yards north of Nelson Dlavo Road, in Nelson.; 0
37
Comment
HSC38055
Lupinus densiflorus
Thomas W. Nelson, Jane P. Nelson
1976-5-10
2463
Butte
Beside SR 191 just N of its junction with SR 70
Comment
SEINET12161336
Lupinus densiflorus
Unknown
1978-1
10
Butte
ca 20 mi SE of The Pentz, Pentz Magalia Hwy junc, 24kmSWE of Chico
140
Comment
RSA31782
Lupinus densiflorus var. densiflorus
A. A. Heller
1938-5-15
15094
Butte
Plentiful along the railroad near Gridley.
Comment
CAS-BOT-BC323941
Lupinus latifolius subsp. longipes
M. S. Taylor; L. Ahart
1981-8-16
4197
Butte
Jones Meadow, ca 3 mi S of Philbrook Reservoir, ca. 6 mi NE of Stirling City.
1828
Comment
CHSC91928
Lupinus latifolius var. columbianus
L. P. Janeway
2005-7-16
8493
Butte
Northern High Sierra Nevada. Along Road 24N13 at small side drainage west to Lockerman Creek, opposite confluence of Lockerman Creek at Camp Creek.
969
Comment
RSA739693
Lupinus nanus
John Dittes, Josephine Guardino
1991-4-19
339
Butte
Cascade Range Foothills; North Table Mountain; ca. 5.1 air-miles north of Oroville City Hall, ca. 4.2 air-miles south by southwest of Cherokee., Ca. 3.8 air-miles east of intersection of State Hwy 99 and State Hwy 14. Rock outcrop on plateau west of Cherokee Road near middle tributary of Campbell Creek at east end of Beatsons Hollow.
366
Comment
SEINET10452645
Lupinus nanus
Heidi H. Schmidt
1993-6-15
Schmidt 865
Butte
Plumas National Forest on state road 23N06 1.5 miles N of the junction with highway 70. Mixed hardwood forest.
880
Comment
CHSC94027
Lupinus pachylobus
R. D. Fischer
2005-4-9
731
Butte
Sierra Nevada foothills, adjacent Hwy. 32, below Forest Ranch in the Big Chico Creek Ecological Reserve off Lookout Trail. Plants growing in grassy openings on the north facing slope below main trail.
487
Comment
JEPS104131
Lupinus pachylobus
Lowell Ahart
2003-4-8
10043
Butte
About 40 yd and in the small canyon w of the tall Digger Pine on the south side of Beatson Hollow, ca 3/4 mi nw of the iron gate and fence, nw of Cherokee Rd, North Table Mountain, ca 7 mi (air) n of Oroville.
314
Comment
CHSC31811
Lupinus polycarpus
L. Ahart
1978-5-1
1686
Butte
Peter Ahart Ranch, Honcut.
50
Comment
CHSC83885
Lupinus polycarpus
Lowell Ahart
2003-4-8
10038
Butte
Pasture field, about 400 yards north of the falls on Coon Hollow, about 1/2 mile west of the iron gate and fence, west of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
331
Comment
SEINET194919
Lupinus rubricaulis
A. A. Heller
1942-5-18
16478
Butte
About a valley oak tree in a grassy field a short distance west of the Hooker oak, east of Chico.
Comment
SEINET10488993
Lupinus stiversii
Greenstein
1977-5-20
GREENSTEIN 3
Butte
Banner bright yellow, wings rose-pink. Sandy loam in open area of oak Woodlands on nw edge of rd, 13 mi ne of chico on humbug rd..
488
Comment
SD2409
Lupinus torreyi
E. B. Copeland
1931-7-3
651
Butte
Jonesville; Colby Canyon
1600
Comment
UCD80390
Luzula comosa
CNPS SN Foothill Team
2006-3-23
SNNR 1198
Butte
CDPR Oroville State Recreation Area.
292
Comment
CHSC118497
Luzula macrantha
L. P. Janeway
2016-5-9
11951
Butte
Northern High Sierra Nevada. Plumas National Forest; upper north-facing slope above the South Fork Feather River arm of Lake Oroville, 0.4 km northwest of the junction of Ponderosa Way and Road 19N19.
701
Comment
CHSC52713
Luzula macrantha
L. P. Janeway; R. A. Schlising, B. Castro
1987-4-4
1970
Butte
Southeast shore of Paradise Lake; generally NW facing slopes ca 50 ft above the water level.
777
Comment
CAS-BOT-BC441207
Luzula macrantha
Lowell Ahart
1988-3-27
5940
Butte
Aboaut 1/10 mile N of the bridge across the North Fork of the Feather River, about 2 miles SE of Jarbo Gap
335
Comment
UC1586526
Luzula parviflora
Lowell Ahart
1991-8-25
6707
Butte
about 1 mi nw Rogers Cow Camp (along Haphazard Creek, about 6 mi ne of Brush Creek, w of Oroville-Quincy Hwy); along Haphazard Creek, ne of Brush Creek, nw of Rogers Cow C
1219
Comment
SEINET10537469
Lychnis coronaria
Lowell Ahart, Peter Ahart
1983-7-29
Ahart 4229
Butte
T21N R6E ne sec 2. Ca. 1/4 mi w of Milsap Bar, ca. 25 mi ne of Oroville. Yellow Pine Forest; 500 m.
500
Comment
CHSC43685
Lycopus americanus
Vernon Oswald
1985-6-26
1864
Butte
Oroville Wildlife Area on the e side of the outlet of Thermolito Afterbay.
42
Comment
JEPS94688
Lycopus americanus
Lowell Ahart
1998-7-18
8042
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, Cherokee Road
403
Comment
CHSC27923
Lythrum hyssopifolia
M. S. Taylor
1977-11-10
1519
Butte
Ca. 4 mi s of jct of Chico-Butte Hwy and Ord Ferry Rd, ca. 20 mi s of Chico, on both sides of Chico-Butte Hwy.
30
Comment
CHSC75999
Lythrum hyssopifolia
Lowell Ahart; Vernon H. Oswald
1999-9-13
8169
Butte
Large disturbed 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
JEPS95938
Lythrum hyssopifolia
Lowell Ahart
1999-8-13
8169
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
CHSC65401
Lythrum portula
Vernon Oswald
1983-7-21
892
Butte
Upper Bidwell Park, Chico, along the edge of Horeshoe Lake.
100
Comment
CHSC78256
Lythrum salicaria
Lowell Ahart
2000-7-2
8551
Butte
Wet area on the east side of Highway 70, a little north of Garden Drive, north of Thermalito, about 1 1/2 miles north of Oroville.
73
Comment
CHSC54861
Madia citrigracilis
Vernon H. Oswald
1991-8-26
4848
Butte
Chico Meadows on the southeast side of Big Chico Creek at the Scout Camp, ca. 1 mile north of Butte Meadows. Upper border of the meadow on the east side of the 'swimming hole.
1292
Comment
CAS-BOT-BC342720
Madia elegans
Margaret J. Williams; Wayne Roderick
1984-5-25
84- 21 -3
Butte
3.3 mi from Paradise on Honey Run Road
167
Comment
UC1609235
Madia elegans
Lowell Ahart
1993-6-20
6998
Butte
about 1 air mi nw Lost Creek Reservoir Dam; Mooreville Ridge, Jackass Flat
1158
Comment
JEPS119913
Madia elegans subsp. densifolia
Lowell Ahart
2012-10-28
18535
Butte
On the north side of the paved park road, west of Table 27, north of Cedar Grove, Lower Bidwell Park, Chico.
Comment
CHSC35670
Madia elegans subsp. vernalis
R. E. Preston
1982-4-22
262
Butte
Ca. 0.3 mi e of Lime Saddle Powerhouse, ca. 4.5 mi se of Paradise. (In dirt road).
335
Comment
UC830847
Madia exigua
Lewis S. Rose
1937-6-10
37359
Butte
Hurleton
579
Comment
CHSC34710
Madia gracilis
M. S. Taylor; R . Schlising, L. Ahart
1980-5-31
2752
Butte
Kunkle Reservoir, on e side of Pentz-Magalia Hwy, ca. 2 mi se of Paradise.
441
Comment
CAS-BOT-BC342959
Madia gracilis
A. A. Heller
No date on label
12816
Butte
Butte Meadows
1402
Comment
CAS-BOT-BC345238
Madia subspicata
Bruce G. Baldwin; Gerald D. Carr; Lowell Ahart
1988-6-9
713
Butte
Peter Ahart Ranch, 1 mile north, 3 miles east of Honcut
Comment
CHSC2306
Maianthemum racemosum
R. M. Staley
1953-7-1
Butte
Canyon Creek.
Comment
SJSU15293
Marah fabacea
Lisa Morton
2002-3-23
3
Butte
Bidwell River Park, Intersection of W. Sacramento and River Roads
40
Comment
CHSC118889
Marah fabacea
Robert A. Schlising
1963-6-7
2621
Butte
Foothills; Cohasset; roadside.
Comment
CHSC574
Marah fabacea var. agrestis
M. Roberson
1956-4-2
Butte
SW of Paradise, along Skyway
426
Comment
CHSC28647
Marah watsonii
M. S. Taylor
1979-3-20
1960
Butte
Along old road on n side of Feather River. Ca. 1/4 mi n of Hwy 70, ca. 10 mi n of Oroville.
304
Comment
SEINET10902773
Marrubium vulgare
Mary Susan Taylor
1982-5-22
Taylor 4506
Butte
T17N R2E nw/ne sec 19. Pennington quad. Graylodge Wildlife Refuge, near parking lot 6 on Rutherford Rd, e of Pennington Rd, ca. 12 mi sw of Gridley. 70 ft.
21
Comment
CHSC58864
Marsilea oligospora
Lowell Ahart
1992-7-21
6793
Butte
On the bottom of a snow lake, Coon Hollow, about 2 (air) miles north-east of Philbrook Reservoir.
1737
Comment
CHSC8735
Marsilea vestita
S. Chulasmai
1966-5-20
42
Butte
Horseshoe (Mud) Lake.
Comment
UC600572
Marsilea vestita subsp. vestita
H. F. Copeland
1930-7-28
Butte
near head of Willow Creek Jonesville
Comment
CHSC101971
Matricaria discoidea
J. Boze
1982-5-8
442
Butte
On edge of parking area at shooting range, Upper Bidwell Park, Chico.
Comment
CHSC45286
Medicago lupulina
Vernon Oswald
1987-5-12
2387
Butte
Butte Creek Reserve on the s side of Butte Creek, n of the Skyway, near the Crouch Ditch Dam.
79
Comment
CHSC5968
Medicago lupulina
M. MacArthur
1968-6-17
218
Butte
Ca. 20 ft. SW of Big Chico Creek and ca. 60 ft. W of the Esplanade bridge over creek, Chico State College campus.
60
Comment
JEPS119755
Medicago lupulina
Lowell Ahart
2012-5-14
18062
Butte
Planted area between sidewalk and Vallombrosa Avenue, west of Manzanita Avenue, just west of the bridge across Big Chico Creek, Lower Bidwell Park, Chico.
Comment
CHSC45287
Medicago minima
Vernon Oswald
1987-4-6
2309
Butte
Butte Creek Reserve on the n side of Butte Creek n of the Skyway, ca. 200 ft w of the single transmission line.
80
Comment
CHSC82431
Medicago polymorpha
Lowell Ahart
2002-5-7
9622
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
CHSC93876
Melica aristata
Lowell Ahart
2006-6-9
12648
Butte
Cutbank, on the west side of Bardees Bar Road, south of the small stream, about 1/4 mile southwest of the poor bridge across the North Fork of the Feather River at Bardees Bar, about 2 3/4 miles (air) southwest of Pulga.
403
Comment
JEPS113698
Melica aristata
Lowell Ahart
2007-6-12
14066
Butte
North of the parking area at Big Bald Rock, about 14 miles (air) northeast of Oroville
893
Comment
SD165
Melica aristata
E. B. Copeland
1929-7-18
337
Butte
Jonesville, in open pine and fir woods
Comment
CAS-BOT-BC269389
Melica californica
John Thomas Howell
1962-6-16
37540
Butte
Magalia
731
Comment
UCD80578
Melica californica
CNPS SN Foothill Team
2005-3-29
SNFN 0026 a
Butte
CDFG North Table Mountain Wildlife Area, near the eastern boundary of the Table Mt. Ecological Reserve.
356
Comment
POM196537
Melica fugax
H. F. Copeland
1929-6-12
1210
Butte
Jonesville.
1524
Comment
JEPS106314
Melica geyeri
Lowell Ahart
2004-6-22
11110
Butte
On the east margin of a gravel road, road leads to Butte Creek, south of Doe Mill Road, about 1/8 mile southwest of the bridge across Butte Creek, about 2 miles (air) southeast of Forest Ranch, about 5 miles (air) west of Stirling City
692
Comment
CHSC109843
Melica harfordii
L. P. Janeway
2012-6-27
10914
Butte
Northern High Sierra Nevada. Near the top of Sunset Hill, just a little over the north side.
1000
Comment
CHSC34062
Melica stricta
L. Ahart; M. S. Taylor
1981-8-15
3049
Butte
At base of cliffs near dirt road from Coon Hollow to Poison Springs, ca. 1 mi se of Snow Mt, ca. 15 mi ne of Inskip.
2000
Comment
CHSC29816
Melissa officinalis
M. S. Taylor; J. D. Jokerst
1979-10-13
2252
Butte
By creek crossing Jordan Hill Rd (Ponderosa Way on some maps) ca. 0.8 mi n of its jct with Concow rd., ca. 5 mi e of Paradise.
426
Comment
CHSC102616
Mentha arvensis
Lowell Ahart
2009-7-9
16009
Butte
Along streams, on the east side of the dirt road which is Ten Mile House Road, Upper Bidwell Park about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
236
Comment
RSA75002
Mentha arvensis
L. Ahart
2006-9-11
13285
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
CHSC50109
Menyanthes trifoliata
Vernon Oswald
1990-5-9
4194
Butte
Boy Scout Camp at Chico Meadows, ca. 1 mile north of Butte Meadows. Growing in a boggy area on the seepy slope slightly northeast of the 'swimming hole.
1295
Comment
CHSC6643
Metasequoia glyptostroboides
M. MacArthur
1968-4-16
354
Butte
Ca. 40 ft. NE of Big Chico Creek, near Dining Hall, Chico State College campus.
60
Comment
CAS-BOT-BC428756
Micranthes californica
Lowell Ahart
1980-3-8
2029
Butte
Peter Ahart Ranch, Honcut
50
Comment
JEPS120046
Micranthes nidifica
Lowell Ahart
2012-3-23
17779
Butte
About 100 yards south of the intersection of Guardian Trail and Ten Mile House Road, about 1/4 mile west of Highway 32, about 9 miles (air) northeast of Chico.
Comment
CAS-BOT-BC429073
Micranthes odontoloma
E. B. Copeland
1931-7-20
s.n.
Butte
Vicinity of Jonesville, Lassen National Forest.
1500
Comment
CAS-BOT-BC429198
Micranthes oregana
E. B. Copeland
1929-7-20
369
Butte
Jonesville
1550
Comment
CHSC101980
Micropus californicus
Diane Mastalir
1988-4-23
14
Butte
4 mi E of Hwy 70 on Palermo Rd, 4 mi S on Palermo=Honcut Hwy, 0.1 mi E on Melody Lane.
41
Comment
CHSC71108
Micropus californicus
Jan Monelo
1989-4-11
8
Butte
Ca 50 yds e of Covered Bridge, ca 7 mi e of Chico.
121
Comment
CHSC392
Micropus californicus var. californicus
E. Canfield
1904-5-7
Butte
Hooker Oak field.
76
Comment
CAS-BOT-BC348699
Microseris acuminata
Lowell Ahart
1979-5-11
s.n.
Butte
Peter Ahart Ranch. Honcut
50
Comment
CAS-BOT-BC348702
Microseris acuminata
John Thomas Howell
1976-4-2
51546
Butte
About 2 miles southeast of Chico
60
Comment
CAS-BOT-BC348704
Microseris acuminata
J. D. Jokerst
1982-4-12
1524 A
Butte
West edge of Highway 149 3/10 mile north of Highway 70
Comment
CHSC10850
Microsteris gracilis
Lowell Ahart
1968-3-17
Butte
Bidwell Park, Chico.
91
Comment
CHSC28566
Microsteris gracilis
M. S. Taylor
1978-6-24
1643
Butte
On Ernies Island, in Butte Creek, jct with Old Humbolt Rd, ca. 1/2 mi w of Butte Meadows.
1371
Comment
RSA0095289
Microsteris gracilis
Michael A. Vincent, Ethan H. Freid
1998-4-6
8121
Butte
Table Mountain.
Comment
UC426955
Mimulus breweri
E. B. Copeland
1930-6-28
461
Butte
Scotch John meadow Jonesville
1700
Comment
SEINET12319568
Mimulus cardinalis
J. P. Kroessig
1977-1
21
Butte
along E bank of West Branch Feather River, ca 13 km WNW of Paradise
488
Comment
CHSC118886
Mimulus glaucescens
Christopher T. Ivey
2017-5-27
385
Butte
Centerville Road, about 1 km NE of Honeyrun Bridge, on W side of road, growing in road cut.
128
Comment
JEPS121951
Mimulus guttatus
Lowell Ahart
2014-7-7
19588
Butte
About 1/2 mile (air) north of Philbrook Reservoir.
Comment
JEPS80613
Mimulus guttatus
M. S. Taylor
1980-4-18
2501
Butte
ca. 1 mi s Nimshew (ca. 1/4 mi e of Nimshew Rd.); Paradies quad.
609
Comment
JEPS86890
Mimulus guttatus
David M. Thompson
1988-6-8
938
Butte
0.1 mi nw Hwy 70 (along Pulga Road (Pulga Road leaves Hwy 70 at w side of Feather River bridge))
500
Comment
RSA795601
Mimulus guttatus
Christopher T. Ivey
2010-6-7
376
Butte
Honey Run Road, 8.0 km northeast of bridge crossing Butte Creek, in roadside ditch.
440
Comment
UCD96006
Mimulus kelloggii
Dena Grossenbacher; Brian Green
2008-4-8
758
Butte
About 0.5 miles west of main parking area at North Table Mountain Ecological Reserve located on Cherokee Road just south of junction with Derrick Road.
373
Comment
UC1564742
Mimulus lewisii
V. Oswald and L. Ahart
1989-8-15
3945
Butte
1.2 mi (air) n Philbrook Reservoir (Soda Ridge Rd. 1.4 mi w of its junction with Coon Hollow Rd., between the road and a marshy lake visible from the road)
1780
Comment
JEPS4705
Mimulus microphyllus
A. A. Heller
1938-5-4
15060
Butte
e Chico (near covered bridge over creek); Butte Creek
106
Comment
CDA13309
Mimulus moschatus
G. F. Hrusa, T. D. Wilfred
1996-7-9
13155
Butte
Sierra Nevada; Jordan Creek on W side of bridge over Marble Creek on USFS N60.
Comment
JEPS114717
Mimulus nasutus
Lowell Ahart
2008-5-21
14774
Butte
Damp to dry bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam
Comment
CHSC93973
Mimulus pulsiferae
R. D. Fischer
2004-6-20
752
Butte
Sierra Nevada Mountains, north-east corner of Butte County and ca. 4 miles north of Butte Meadows off Scout Road. Boy Scout Camp. Collected off a dirt road running on the east side and parallel to Chico Meadows.
1371
Comment
RSA589915
Mimulus tilingii
Michael A. Vincent, Robert M. Rhode, Jim Snowden
1996-3-29
7226
Butte
North Table Mountain, W of Cherokee Rd, N of Oroville. S side Beatson Hollow, ca. 1.15 airmiles NW of entrance on Cherokee Rd.
Comment
CDA13266
Mimulus torreyi
G. F. Hrusa, T. D. Wilfred
1996-7-9
13114
Butte
Plumas National Forest; Above Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp.
Comment
JEPS121996
Mimulus torreyi
Lowell Ahart
2014-7-13
19660
Butte
About 150 yards southeast of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
Comment
JEPS80654
Mimulus torreyi
M. S. Taylor
1981-4-27
3555
Butte
ca. 2 mi sw Brush Creek (ridge between 21N33 and 21N80, ca. 1 mi sw of Bald Rock Rd., ca. 0.5 mi n of Zink Rd.)
1005
Comment
SEINET10570285
Mimulus torreyi
Mary Susan Taylor
1977-7-15
Taylor 1416
Butte
Humbug Rd, between Honey Run Covered Bridge and Paradise.
579
Comment
SEINET12326992
Mimulus tricolor
Unknown
1984-1
16
Butte
Oroville, flat area 10 yd S of Cottonwood Rd, 1.8 mi E of its junction with Hwy 99
46
Comment
SEINET11934609
Minuartia douglasii
L. P. Janeway
1988-1
2970
Butte
Near the road to French Cr 0.6 mi S of Coyote Gap
1219
Comment
CHSC66289
Moehringia macrophylla
Lowell Ahart
1996-6-5
7682
Butte
On the east side of the river, about 1/10 mile north of the bridge across the South Fork of the Feather River, about 1 mile north of Golden Trout Crossing, about 7 air miles east of Feather Falls.
914
Comment
CHSC49835
Moenchia erecta
Vernon Oswald; Lowell Ahart
1990-4-9
4159
Butte
Oak Grove Cemetery ca. 0.6 mi se of Hurlton, ca. 10 mi w of Forbestown. Several hundred feet east of the cemetery.
542
Comment
RSA755371
Mollugo verticillata
L. 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.
69
Comment
CHSC46490
Monardella breweri subsp. lanceolata
Lowell Ahart
1989-5-31
6330
Butte
Growing near a poor dirt road, east of a small stream, north of Truex Road, near Lake Oroville, about 1/4 mile northwest of the West Branch Bridge across Lake Oroville.
304
Comment
CAS-BOT-BC219942
Monardella breweri subsp. lanceolata
Mrs. J. H. Morrison
1932-6-12
s.n.
Butte
Above Durham
Comment
CAS-BOT-BC219944
Monardella breweri subsp. lanceolata
Lowell Ahart
1989-5-31
6330
Butte
North of Truex Road, near Lake Oroville, about 1/4 mile north-west of the West Branch Bridge across Lake Oroville
304
Comment
SEINET10902645
Monardella odoratissima
Mary Susan Taylor
1975-6-30
Taylor 816
Butte
Ca. 300 yds W of Cohasset Hwy, Cohasset, ca. 18 mi NE of Chico; Yellow Pine Forest.
853
Comment
CHSC52228
Monardella odoratissima subsp. pallida
L. P. Janeway; R. A. Schlising
1988-7-22
3067
Butte
Upper Philbrook cyn, 0.7 mi W of the pass.
1889
Comment
CAS-BOT-BC220456
Monardella sheltonii
Mrs. C. C. Bruce
1897-5-1
1974
Butte
Little Chico
Comment
UC1609442
Monardella sheltonii
Lowell Ahart
1993-7-6
7062
Butte
about 1 air mi nw Lost Creek Reservoir Dam; Mooreville Ridge, Jackass Flat
1158
Comment
UC1093944
Monardella villosa subsp. villosa
Lewis S. Rose
1955-6-15
55105
Butte
6 mi SE of Paradise on Pentz Road
426
Comment
UC942959
Monardella villosa subsp. villosa
Lewis S. Rose
1951-6-26
51019
Butte
Jarboe Pass, 22 mi N of Oroville.
579
Comment
UCD150372
Monochoria vaginalis
William Anderson
1964-8-15
s.n.
Butte
Willows-Biggs Rd.
Comment
CHSC93989
Montia chamissoi
R. D. Fischer
2004-6-20
779
Butte
Sierra Nevada Mountains, north-east corner of Butte County and ca. 4 miles north of Butte Meadows off Scout Road. Boy Scout Camp. On the east side of Chico Meadows, at meadow edge.
1371
Comment
SEINET10572658
Montia diffusa
Mary Susan Taylor
1981-4-28
Taylor 3568 A
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
RSA755352
Montia fontana
L. P. Janeway
2008-3-18
9237
Butte
Cascade Range Foothills. East edge of City of Chico, south side of Humboldt Road 1.4 km northeast of Bruce Road.
126
Comment
JEPS114967
Montia fontana subsp. chondrosperma
Lowell Ahart
2008-5-21
14783
Butte
Dry t0 damp bare granite soil, below the high water line of Lake Oroville, on the north and south side of the South Fork of the Feather River, where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile northwest of the Ponderosa Dam
246
Comment
SEINET10572664
Montia linearis
Lowell Ahart, Peter Ahart
1983-6-30
Ahart 4183
Butte
T23N R4E ne sec 10. On east side of West Branch of Feather River, ca. 5 mi s of Stirling City. Yellow Pine Forest; 1150 m.
1150
Comment
CHSC7113
Montia parvifolia
S. Armantrout
1969-5-6
5
Butte
Hwy. 70, first rest stop in Feather River Canyon, across road up trail 2 mi, below water fall. Bear Creek.
Comment
JEPS119547
Morus alba
Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-4-16
17864
Butte
East of the Deer Pen, between Tables 12 & 13 Lower Bidwell Park, Chico.
Comment
SEINET10605679
Muhlenbergia andina
Vernon H. Oswald, Lowell Ahart
1989-7-21
Oswald 3885
Butte
T26N R5E nw/nw/S29, Red Fir Forest. Meadow paralleling Humbug Rd, just ne of the West Branch of the Feather River, ca. 0.5 mi ne of Snag Lake, ca. 2.5 mi (air) se of Jonesville. Along a small drainage in a marshy part of the meadow.
1780
Comment
CAS-BOT-BC260533
Muhlenbergia filiformis
E. B. Copeland
1929-7-16
339
Butte
Jonesville
1550
Comment
RSA129344
Muhlenbergia filiformis
H. S. Yates
1936-8-13
6100
Butte
Butte Meadow.
1341
Comment
JEPS121964
Muhlenbergia minutissima
Lowell Ahart
2014-7-7
19580
Butte
North of the bog, Coon Hollow, about 2 miles (air) north of Philbrook Reservoir.
Comment
CDA5602
Myosotis discolor
Vernon H. Oswald & Lowell Ahart
1998-6-11
9211
Butte
Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi. north of Macdoel.
Comment
RSA755637
Myosotis discolor
L. Ahart
2009-5-15
15717
Butte
On the east bank of Big Chico Creek, on the west side of Ten Mile House Road, Upper Bidwell Park, about 3/4 air mile west of Highway 32, about 10 miles northeast of Chico.
234
Comment
UC1586627
Myosurus minimus subsp. apus
Lowell Ahart
1991-5-20
6656
Butte
10 mi sw Gridley (1/4 mi w of Pennington Road,, on n side of Rutherford road, Gray Lodge Waterfowl Management Area)
19
Comment
CHSC113377
Myriophyllum spicatum
Lowell Ahart
2014-4-16
19372
Butte
On the sides but near the bottom of a large canal, about 100 yards north of East Gridley Road, on the west side of the Feather River, about 2 miles east of Gridley.
29
Comment
CHSC48458
Myriophyllum spicatum
Vernon Oswald
1988-8-15
3690
Butte
Fernandez Grant. East border of the large pond in the Oroville Wildlife Area on the west side of the Feather River between the levels of Walnut and Biggs Ave.
32
Comment
UC1100017
Najas graminea
Verne Grant and Herbert L. Mason
1946-8-15
13047
Butte
Greylodge Game Refuge, near caretaker's house Greylodge Game Refuge.
Comment
UCD138158
Najas guadalupensis subsp. guadalupensis
Herbert L. Mason; Verne Grant
1946-8-15
13053
Butte
#833 Irrigation Ditch, near caretaker's house, Greylodge Game Refuge, Butte Sink.
Comment
CHSC11971
Nama lobbii
E. B. Copeland
1930-6-27
Butte
Jonesville.
1600
Comment
SEINET12332633
Nama lobbii
L. P. Janeway, Schlising, R. A.
1988-1
2919
Butte
S-facing cutbank of dirt road just NW of Summit Lake
1951
Comment
CHSC38773
Narcissus pseudonarcissus
Vernon Oswald
1983-2-14
69
Butte
Upper Bidwell Park, Chico, about 50 ft e of Parking Area G (0.1 mi w of the power lines).
94
Comment
SEINET12050272
Narthecium californicum
L. Ahart, Ahart, P.
1984-1
4760
Butte
about .5mi E of Bald Mt., about 5mi NE of Stirling City
1750
Comment
CHSC11950
Navarretia divaricata
E. B. Copeland
1930-7-17
443
Butte
Jonesville.
1550
Comment
CHSC61002
Navarretia divaricata subsp. divaricata
Lowell Ahart
1993-6-20
6999
Butte
Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west of the Lost Creek Reservoir Dam.
1158
Comment
RSA699921
Navarretia filicaulis
L. Ahart
2004-6-22
11120
Butte
On the west side of Doe Mill Road, where the road goes east to the water ditch, about 0.5 mile southeast of the bridge across Butte Creek, about 2 1/2 miles (air) southeast of Forest Ranch, about 5 miles (air) southwest of Stirling City.
714
Comment
UC423491
Navarretia filicaulis
David D. Keck
1930-7-25
976
Butte
10 mi e Oroville; Sierra Nevada, Hurleton
487
Comment
RSA73728
Navarretia filicaulis
Mary E. Wall
1940-7-24
s.n.
Butte
Paradise.
Comment
SEINET10969161
Navarretia filicaulis
Mary Susan Taylor
1980-7-6
Taylor 3063
Butte
T25N R3E se sec 10, Butte Meadows quad; on W side of Hwy 32, ca. 0.1 mi S of Loma, up on rocky open edge of Yellow Pine Forest. With R.A. Schlising.
1128
Comment
CHSC30684
Navarretia intertexta
M. S. Taylor; L. Ahart, R. Schlising
1980-5-31
2757
Butte
Kunkle Reservoir, e side, e side of Pentz-Magalia Hwy, ca. 2 mi s of Paradise.
441
Comment
UC133921
Navarretia intertexta
Mrs. R. M. Austin
May 1896
171
Butte
Butte Creek
Comment
UC600672
Navarretia intertexta
H. F. Copeland
1930-7-28
Butte
Jonesville, by Humbug Road Jonesville
1828
Comment
CHSC102608
Navarretia intertexta subsp. intertexta
L. P. Janeway; B. Castro
2009-7-4
9841
Butte
Northern High Sierra Nevada. Along Four Trees Road 3.4 road km east of Coyote Gap; at head of minor drainage into Clear Creek, head of French Creek Basin.
1469
Comment
CHSC11952
Navarretia leptalea
E. B. Copeland
1930-6-28
444
Butte
Jonesville. In 'Scotch John' meadow.
1650
Comment
CHSC25158
Navarretia leptalea
D. Joley
1968-7-8
Butte
3/4 mi e of Lomo on Butte Meadows Road ca. 35 mi ne of Chico.
Comment
POM129395
Navarretia leptalea
Mrs. R. M. Austin
1896-07
258
Butte
Colby
Comment
CHSC7090
Navarretia leucocephala
R. Smallwood
1969-5-1
3
Butte
20 yds. e of main entrance to Chico Municipal Airport, on Cohasset Highway 3 mi ne of Chico.
36
Comment
CAS-BOT-BC230333
Navarretia leucocephala
Robert F. Holland
1976-4-13
274
Butte
W side of State Highway 99, 1 mile N of junction with State Highway 162, E of Richvale
Comment
JEPS107892
Navarretia leucocephala subsp. leucocephala
Lowell Ahart
2005-5-28
11826
Butte
Bottom of vernal pools, pasture, on the north side of Falager Ct., south of the Durham Pentz Road, east of Highway 99 East, about 4 miles east of Durham
67
Comment
POM65124
Navarretia leucocephala subsp. leucocephala
Copeland
1903-5-15
3047
Butte
Chico.
Comment
CHSC46821
Nemacladus capillaris
R. A. Schlising
1981-6-16
4089
Butte
E of Cohasset, 2.3 mi E of junction with Cohasset Road, on Vilas Road.
762
Comment
SD122582
Nemacladus interior
Lowell Ahart
1984-6-8
4669
Butte
Ponderosa Dam, ca. 2 miles northwest of Forbestown. North side of reservoir
370
Comment
UCD119996
Nemophila heterophylla
K. Esau; M. Phillips
1929-4-13
1918
Butte
Chico.
Comment
CHSC62466
Nemophila maculata
B. Castro; L. Janeway
1991-4-19
442
Butte
Ca 10 air mi NE of Oroville, 0.75 mi NW of Oregon Gultch, 0.5 mi S of Montgomery Bar Ravine.
353
Comment
UC107227
Nemophila menziesii
H. E. Brown
Mar 3 1897-Mar 23 1897
252
Butte
near Clear Creek; ; near Clear Creek, Butte Co.
53
Comment
CHSC28653
Nemophila pedunculata
M. S. Taylor
1979-3-31
1967
Butte
Lickey Ranch, along Ishi Trail Rd, ca. 1/2 mi n of Concow Rd and Lake Concow.
670
Comment
CHSC28965
Nemophila pedunculata
J. D. Jokerst; M. S. Taylor
1980-2-23
449
Butte
Edge of flat ridge top ca 1/4 mi NW of Neal Rd.
198
Comment
SBBG128278
Nemophila pedunculata
L. Ahart, J. Dittes
2009-3-20
15499
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
JEPS120593
Nicotiana acuminata var. multiflora
Lowell Ahart
2013-11-18
19279
Butte
Below the high-water line of Lake Oroville, about 200 yards east of the boat ramp at the end of Stringtown Road, about 2.5 air miles northeast of Hurleton.
Comment
JEPS117257
Nicotiana quadrivalvis
Lowell Ahart
2010-9-24
17234
Butte
Near the southwest edge of the Golf Course, about 10 yards south of the footbridge, along trail from the end of Centennial Avenue to the footbridge across Big Chico Creek, Bidwell Park
91
Comment
UCD110208
Notholithocarpus densiflorus
Tracy I. Storer
1961-6-6
s.n.
Butte
State Highway 32, 27 miles east of Chico.
Comment
CAS-BOT-BC400310
Nymphaea odorata
Arthur Menzies; Barbara Menzies
1969-8-1
s.n.
Butte
At corner of Nelson West Road & Chico-Butte City Hwy.
Comment
CHSC2491
Odontostomum hartwegii
W. Fitzwater
1958-4-19
Butte
Along Rock Cr., Chico area.
Comment
SEINET3887700
Odontostomum hartwegii
Unknown
1929-4-5
1130
Butte
Canyon of Chico Creek.; 0
Comment
CHSC68240
Ophioglossum californicum
Lowell Ahart
1997-1-30
7712
Butte
About 3/4 mile east of Dunstone Road, about 3 miles (air) northeast of Honcut, about 12 miles (air) southeast of Oroville.
91
Comment
UC1586570
Ophioglossum californicum
Lowell Ahart
1991-3-11
6642
Butte
ca. 2 1/2 mi n and 3 3/4 mi e Honcut (ca. 12 mi se of Oroville, Joie Osgood Ranch)
91
Comment
SEINET10971520
Ophioglossum lusitanicum subsp. californicum
Lowell Ahart
1983-3-27
Ahart 3901
Butte
Joie Osgood Ranch, ca. 4 mi NE of Honcut. Valley Grassland; 85 m.
85
Comment
SD5378
Oreostemma alpigenum var. andersonii
E. B. Copeland
1930-7-26
Butte
Jonesville
1550
Comment
RSA0059254
Orobanche californica subsp. grayana
E. B. Copeland
1938-9-13
s.n.
Butte
Jonesville.
Comment
CHSC116980
Orobanche fasciculata
Matthew Forster
2013-5-1
Butte
Hwy 32 off 14 Mile House Rd.
472
Comment
UC600432
Orobanche fasciculata
E. B. Copeland
1931-7-6
Butte
Jonesville, W of Willow Creek.
Comment
JEPS119679
Orobanche uniflora
Lowell Ahart
2012-5-4
17987
Butte
About 1 1/4 miles northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
Comment
CDA42032
Orobanche uniflora subsp. occidentalis
H. K. Wagnon
1957-4-28
712
Butte
About five miles north of Oroville on road to Cherokee.
0
Comment
CHSC20106
Orobanche vallicola
M. S. Taylor
1974-11-11
330
Butte
Ca. 1/4 mi n of washout on Sacramento River, ca. 4 ft w of River Rd, ca. 10 mi w of Chico.
Comment
SEINET12326988
Orthocarpus attenuatus
Unknown
1984-1
15
Butte
Upper Bidwell Park, ca 20 m N of Big Chico Creek, 6.7 km NE of jct of Hwys 32 & 99
120
Comment
POM298005
Orthocarpus erianthus
A. A. Heller
1913-4-6
10717
Butte
Bottoms along Big Chico Creek, east of Chico.
Comment
POM15663
Orthocarpus erianthus
E. B. Copeland
1902-4-10
3036
Butte
Chico.
Comment
POM193335
Orthocarpus hispidus
E. B. Copeland
1930-6-28
470 -A
Butte
Jonesville. In 'Scotch John' meadow.
1700
Comment
CHSC58871
Osmorhiza chilensis
Lowell Ahart
1992-7-29
6888
Butte
About 1 mile north-east of the Carr Mine, about 3/4 mile north-west of Lotts Lake.
1798
Comment
SEINET10454522
Osmorhiza chilensis
Mary Susan Taylor
1980-7-6
Taylor 3082
Butte
T26N R3E nw sec 25, Butte Meadows quad; on W side of Hwy 32, ca. 0.3 mi S of Soda Springs Campground, along creek in Yellow Pine Forest. With R.A. Schlising.
1128
Comment
CHSC89745
Osmorhiza occidentalis
L. P. Janeway; Robert F. C. Naczi
2004-7-23
8181
Butte
High Cascade Range. Forested slope about 0.3 km southeast of the east end of Philbrook Reservoir. Northwest-facing slope.
1707
Comment
POM86786
Oxalis albicans subsp. pilosa
C. C. Bruce
1897-04
1852
Butte
Butte Creek.
Comment
CHSC98903
Oxalis bowiei
L. P. Janeway
2007-12-11
9224
Butte
Northern Sierra Nevada Foothills. Southeast side Feather River, west sideTable Mountain Blvd bridge. Growing among rock outcrops just above rive high water line.
41
Comment
RSA690970
Oxalis laxa
L. Ahart
2003-4-30
10119
Butte
About 100 yards south of the Feather River on the west side of the dirt road in the Oroville Wildlife Area about 5.5 miles(air) southwest of Oroville.
40
Comment Read comments Dec 18 2015
CHSC26738
Oxypolis occidentalis
M. S. Taylor
1977-7-15
1407
Butte
On edge of Butte Meadows, ca. 20 mi ne of Chico off Hwy 32.
1326
Comment
RSA724822
Oxypolis occidentalis
L. Ahart
2006-9-9
13247
Butte
West side of a large meadow with bogs, about 75 yards south of the cabin, about 3/4 air mile northwest of Jonesville, about 5 air miles northeast of Butte Meadows
1561
Comment
CAS-BOT-BC334337
Packera eurycephala var. eurycephala
Lowell Ahart
1985-6-30
5089
Butte
100 yards S of the road to the Forbestown Res., S of the Forbestown Ditch, about 2.5 miles NE of Forbestown
883
Comment
CAS-BOT-BC316888
Packera eurycephala var. lewisrosei
Lowell Ahart
1983-6-21
4088
Butte
along Bloomer Hill Road, about 1.5 miles west of the Orobille Quincy Highway, about 15 miles northeast of Orobille.
450
Comment
SEINET10948596
Packera eurycephala var. lewisrosei
Lewis S. Rose
1939-6-7
Rose 39247
Butte
North Fork of Feather River. 3 mi. s. of Pulga. Canyon side.
610
Comment
JEPS94729
Panicum acuminatum var. acuminatum
Lowell Ahart
1998-7-1
8019
Butte
about 7 air mi n Oroville (w of the ione oak tree, w of the cow chute on the w side of Cherokee Road); North Table Mountain, Cherokee Road
396
Comment
CHSC116501
Panicum dichotomiflorum
B. Castro; Andy Rogers
2014-7-16
2034
Butte
Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek, ca 900 ft downstream (W) of its crossing under the Cohasset Hwy footbridge.
55
Comment
JEPS108539
Parentucellia viscosa
L. P. Janeway
2006-5-4
8574
Butte
Northern High Sierra Nevada Foothills. Abundant on the slopes above the east side of Pentz Road 0.5 km north of Durham-Pentz Road
201
Comment
CHSC102713
Paspalum dilatatum
Lowell Ahart
2009-7-3
15993
Butte
10 yards north of the Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove parking area, Lower Bidwell park, Chico.
67
Comment
SEINET10507543
Paspalum dilatatum
Mary Susan Taylor
1979-9-28
Taylor 2199
Butte
Butte County line at Hwy 70, between boundry and Arch Rock tunnel; granitic soils and dome outcrop.
488
Comment
CHSC43750
Pectiantia breweri
Vernon Oswald; Lowell Ahart
1987-7-19
3137
Butte
Ca. 0.3 mi (air) e of Bald Mt. Lookout Tower, ca. 0.3 mi ne of the spring and water tank.
1706
Comment
UC1562399
Pellaea andromedifolia
Lowell Ahart
1990-5-28
6503
Butte
ca. 2 1/2 mi ne of East Gridley (s of Palm Ave, ca. 1/2 mi e of Larkin Rd)
30
Comment
SEINET10529790
Pellaea andromedifolia
Mary Susan Taylor
1981-1-5
Taylor 3370
Butte
T21N R4E sw sec 6. Cherokee quad. Ca. 100 ft e of Pentz-Magalia Hwy, ca. 1 mi s of Kunkle Reservoir, ca. 3 mi s of Paradise. Foothill Woodland and Savannah; 1350 ft.
411
Comment
CAS-BOT-BC69331
Pellaea brachyptera
Lowell Ahart
1985-6-17
5053
Butte
Lumpkin Ridge, 1 1/2 miles east of Camp 18, about 8 miles northeast of Feather Falls
701
Comment
CHSC44615
Pellaea brachyptera
Vernon Oswald
1984-7-2
1344
Butte
2.5 mi s-e of the junction of 26N27 and Humboldt Rd. n-e of Jonesville.
1767
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
SEINET10529802
Pellaea mucronata
Mary Susan Taylor
1983-1-17
Taylor 5216
Butte
T20N R4E ne sec 6. Vicinity of mouth of Flag Canyon. On top of North Table Mt., ca. 8 mi n of Oroville. Elevation ca. 1225 ft.
373
Comment
UCD80691
Pellaea mucronata subsp. mucronata
CNPS SN Foothill Team
2006-5-25
SNNR 0959
Butte
Horning Ranch, private. This stand lies between 2 previous RA stands and wraps around the southern tip of projecting finger into canyon.
185
Comment
CHSC42869
Penstemon azureus
Lowell Ahart
1987-5-9
5580
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
NY571159
Penstemon azureus var. azureus
F. W. Pennell
1940-6-5
25683
Butte
Route 24; along Feather River, above Oroville; in Lassen National Forest
548.6
Comment
SEINET10824302
Penstemon azureus var. azureus
Lowell Ahart
1987-5-9
Ahart 5580
Butte
Along Pulga Road, about 1/4 mile West of Bardees Bar along the North Fork of the Feather River, about 2.5 miles South-West of Pulga.
366
Comment
SD4638
Penstemon deustus
E. B. Copeland
1931-6-11
690
Butte
Jonesville, on dry cliffs
1600
Comment
SEINET10547978
Penstemon deustus
Mary Susan Taylor
1978-7-18
Taylor 1710
Butte
On E side of Humboldt Peak, at Humboldt Summit, on Butte-Tehama County line; Red Fir Forest.
2134
Comment
CHSC42774
Penstemon gracilentus
L. P. Janeway
1987-7-5
2443
Butte
0.4 mi east on a spur rd from the Concow Rd, which is 1.0 mi SW of Jones Mdw.
1798
Comment
POM195767
Penstemon heterophyllus subsp. purdyi
A. A. Heller
1926-4-21
13926
Butte
Along Rock Creek, 7 miles N of Chico. (Type collected probably in the vicinity of Chico).
Comment
UC139643
Penstemon heterophyllus var. purdyi
Mrs. R. M. Austin
Apr. 1896
189
Butte
Plains e Chico; Plains e of Chico
Comment
CHSC44704
Penstemon laetus var. leptosepalus
R. Banchero
1980-6-12
215
Butte
Jct of Humbolt Rd and Hwy 32.
1024
Comment
RSA4119
Penstemon laetus var. leptosepalus
E. B. Copeland
1929-7-14
455
Butte
Jonesville.
1550
Comment
CHSC42022
Penstemon personatus
Lowell Ahart
1986-7-2
5336
Butte
North of the dirt road, about 1/2 mile south-west of Bald Mountain, about 4 1/2 miles north-east of Stirling City.
1615
Comment
CHSC43130
Penstemon personatus
R. Banchero; R. Schlising
1981-7-19
609
Butte
1 mi e of Bald Mt lookout tower on Bald Mt.
1780
Comment
JEPS83778
Penstemon personatus
Lowell Ahart
1988-7-31
6157
Butte
ca 1 airmi wnw Bald Mountain (ca 3.5 airmi ne of Stirling City, sw of a branch of Last Chance Creek); wnw of Bald Mountain, sw of branch of Last Chance Creek
1066
Comment
SEINET10548093
Penstemon personatus
Mary Susan Taylor
1982-8-16
Taylor 4998
Butte
T24N R4E n/nw sec 12. Pulga NW quad. Along rd and in saddle, ca. 0.5 mi n of Bald Mt, ca. 4 air mi ne of Stirling City. Mixed Coniferous Forest; 5600- 5700 ft.
1737
Comment
UC1481799
Pentagramma pallida
C. C. Hall
1917-5-16
1030 b
Butte
Iron Canyon
Comment
CAS-BOT-BC77135
Pentagramma triangularis subsp. semipallida
Lowell Ahart
1987-5-12
5637
Butte
South of Lumpkin Ridge Road, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
1280
Comment
CHSC28988
Pentagramma triangularis subsp. semipallida
M. S. Taylor
1980-3-19
2390
Butte
Macabes Creek canyon, ca. 100 ft e of Lumpkin Rd, ca. 2 1/2 mi n of its jct with Forbestown Rd, ca. 18 mi ne of Oroville.
396
Comment
CAS-BOT-BC77133
Pentagramma triangularis subsp. semipallida
Lowell Ahart
1976-7-7
s.n.
Butte
Near Little North Fork of Feather River.
50
Comment
CHSC101286
Pentagramma triangularis subsp. triangularis
Lowell Ahart
2009-4-17
15555
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
CHSC38251
Pentagramma triangularis subsp. triangularis
Vernon Oswald
1983-4-4
274
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1800 ft w of the power lines.
182
Comment
JEPS104146
Pentagramma triangularis subsp. triangularis
Lowell Ahart
2003-4-15
10088
Butte
Northeast of the tall Digger Pine on the south edge of Beatson Hollow, ca 3/4 mi nw of the iron gate and fence, nw of Cherokee Rd, North Table Mountain, ca 7 mi (air) n of Oroville.
299
Comment
JEPS104149
Pentagramma triangularis subsp. triangularis
Lowell Ahart
2003-4-10
10075
Butte
Below the basalt cliffs, on the e rim of South Table Mountain, ca 2 1/2 mi (air) n of Oroville.
309
Comment
CAS-BOT-BC77086
Pentagramma triangularis subsp. triangularis
J. L. Wilson
1970-2-27
235
Butte
North bank of Honey Run Road, approx. 50 yds. up hillside in rocks. Ca. 5 mi. east of intersection of Honey Run Rd.
91
Comment
CHSC40224
Perideridia bolanderi subsp. bolanderi
Vernon Oswald
1985-6-20
1848
Butte
Scotts John Rd., 0.6 mi n of 26N27, ca. 2.25 air miles e of Jonesville.
1755
Comment
CHSC60947
Perideridia bolanderi subsp. bolanderi
Lowell Ahart
1993-6-20
7000
Butte
Jackass Flat, Mooreville Ridge, about 1 (air) mile north-west of the Lost Creek Reservoir Dam.
1158
Comment
CHSC1972
Perideridia bolanderi subsp. involucrata
M. Underhill
1952-7-2
Butte
243
Comment
CHSC73399
Perideridia howellii
B. Castro
1995-9-10
611
Butte
Watson Cabin Meadow. Ca 2 air mi N of Feather Falls, towards western end of Watson Ridge, in meadow at the old Watson Cabin site, north of USFS Rd 21N25. In upper third of meadow.
1109
Comment
SEINET10906780
Perideridia oregana
Lowell Ahart
1985-6-17
Ahart 5061
Butte
Lumpkin Ridge, 1 1/2 miles east of Camp 18, about 8 miles north-east of Feather Falls.
Comment
SEINET12121858
Perideridia oregana
Unknown
1985-1
5061
Butte
Lumpkin Ridge, 1.5 mi E of Camp 18, about 8 mi NE of Feather Falls, 100 yards S of dirt road
975
Comment
SEINET13944984
Perideridia oregana
Lincoln Constance, Tsan Iang Chuang
1967-1
3777
Butte
Feather River Highway 5.7 miles SE of Pentz Store, ca. 10 miles N or Oroville. Alt 500 ft
152
Comment
UCD127957
Perideridia parishii subsp. latifolia
M. S. Taylor; L. Ahart
1981-8-15
4186
Butte
north end of Snag Lake, Montane Meadow, east side of Humbug Road, around 14 miles northeast of Stirling City.
1737
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
UCD99319
Persicaria hydropiperoides
Herbert L. Mason; Verne Grant
1946-8-14
13027
Butte
Sacramento Outing Club.
Comment
CAS-BOT-BC418948
Persicaria lapathifolia
Ira L. Wiggins
1928-9-9
3332
Butte
Sandy Gulch Creek, 3 miles west of Chico
Comment
CHSC43246
Persicaria lapathifolia
Lowell Ahart
1987-10-22
5922
Butte
Along a drain ditch, along Oroville Chico Highway (149), 1/10 mile north-west of Highway 70.
76
Comment
CHSC94656
Persicaria lapathifolia
Lowell Ahart
2006-9-28
13371
Butte
On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel.
445
Comment
SBBG17322
Petrorhagia dubia
M. Vincent
1962-4-17
201
Butte
Pentz and Nelson Bar Rds, 5 mi S of Paradise
Comment
RSA421517
Phacelia bicolor
Unspecified
1897-1
s.n.
Butte
Sandy valley, open flats.
Comment
UC175561
Phacelia cicutaria var. cicutaria
A. A. Heller
1913-4-5
10709
Butte
above Oroville (hills on n side of river); Feather River
Comment
SD4077
Phacelia mutabilis
E. B. Copeland
1930-7-13
Butte
Jonesville
1550
Comment
UC600781
Phacelia mutabilis
H. F. Copeland
1930-7-18
Butte
Jonesville
Comment
CDA40399
Phacelia mutabilis
T. C. Fuller
1962-7-12
9196
Butte
Road to Jonesville, 2 miles east of Butte Meadows.
0
Comment
CHSC34792
Phacelia procera
M. S. Taylor; L. Ahart
1981-8-16
4207
Butte
N side of 25N04, near upper Big Kinshew Creek, ca. 2 mi se of Philbrook Reservoir, ca. 6 mi ne of Stirling City.
1950
Comment
CHSC46565
Phacelia procera
V. Oswald; L. Ahart
1989-7-12
3851
Butte
Meadow near the headwaters of Big Kimshew Creek, ca. 2 mi (air) sw of Lotts Lake, ca. 3 mi (air) se of Philbrook Reservoir.
1926
Comment
UC1594632
Phacelia procera
Lowell Ahart
1992-7-29
6879
Butte
about 1 mi ne Carr Mine (about 3/4 mi nw of Lotts Lake, near cliffs)
1798
Comment
CHSC38465
Phacelia ramosissima var. ramosissima
Vernon Oswald
1983-6-13
670
Butte
Upper Bidwell Park, Chico., ca. 200 ft s of the footbridge at the Golf Course.
91
Comment
CAS-BOT-BC259046
Phalaris lemmonii
A. A. Heller
1902-5-3
5447
Butte
Near Nelson
Comment
CHSC29282
Phalaris paradoxa
R. A. Schlising
1979-6-3
3433
Butte
Richvale vernal pools; 1/4 mile S of jct Hwy 162-to-Oroville and Hwy 99, along the latter and across from Thermalito Afterbay.
Comment
CHSC6135
Phalaris paradoxa
J. Wheeler
1968-4-19
322
Butte
Table Mountain, n of ne branch of Beatson Hollow, along edge of temporary pond.
548
Comment
UCD89392
Phalaris paradoxa
A. A. Heller
1919-8-13
13352
Butte
Between Nelson and Richvale.
Comment
CAS-BOT-BC77370
Philadelphus lewisii
Grace Kermode
1899-6-1
s.n.
Butte
Chico
Comment
CAS-BOT-BC77371
Philadelphus lewisii
Lowell Ahart
1983-6-21
4080
Butte
along Bloomer Hill Road, about 3/4 miles west of the Oroville Quincy Highway, about 15 miles northeast of Oroville
425
Comment
UC176134
Philadelphus lewisii
A. A. Heller
1913-6-6
10784
Butte
8 mi n Oroville (ditch along mountain); Table Mountain
182
Comment
CHSC35979
Phleum pratense
M. S. Taylor
1982-6-24
4728
Butte
Around landing on saddle of ridge se of Flea Mt, n of Pulga, ca. 5 air mi e of Magalia.
1097
Comment
CHSC27708
Phlox diffusa
Robert A. Schlising; Marc P. Hayes
1978-6-24
3289
Butte
Extreme NE Butte County, at summit of Humbolt Peak.
2160
Comment
POM225865
Phlox speciosa subsp. occidentalis
J. H. Morrison
1932-5-30
s.n.
Butte
Durham.
Comment
UCD102042
Phoradendron bolleanum
D. Sanchez-Mata; P. Rodriguez-Rojo
1997-8-16
s.n.
Butte
Magalia near Magalia Reservoir.
680
Comment
HSC100733
Phoradendron macrophyllum
Lowell Ahart
2009-8-3
16255
Butte
E side of Ten Mile House Rd., Upper Bidwell Park, 3/4 (air) mi. W of Hwy. 32, 10 mi. NE of Chico.
210
Comment
CHSC45304
Phoradendron serotinum subsp. macrophyllum
Vernon Oswald
1988-3-7
3249
Butte
Harter's Cherokee Ranch located on the w side of Hwy 99 between Hwy 149 and Dry Creek.
53
Comment
UCD169655
Photinia
Lowell Ahart
2012-4-9
17849
Butte
About 2 1/2 miles (air) northeast of Chico, about 50 feet west of South Rim Trail, south part of Upper Bidwell Park.
209
Comment
CDA43066
Photinia serratifolia
L. P. Janeway
2011-4-2
10236
Butte
Sacramento Valley.; Lower Bidwell Park, Chico; near northwest edge of the park, near Vallombrosa Ave. between Madrone Ave. and Crister Ave.
Comment
SEINET10547000
Phyla nodiflora var. rosea
Lowell Ahart
1991-9-14
Ahart 6725
Butte
On the south end of the dam, at the large reservoir, Joie Osgood Ranch, about 2 miles east of Honcut. Valley Grassland. T17N R4E S/C/S14.
46
Comment
HSC97374
Phyllostachys bambusoides var. aurea
J. P. Smith, J. O. Sawyer
2007-9-2
12421
Butte
Ord Ferry Rd., SW of Dayton
42
Comment
CHSC38724
Physalis lancifolia
Vernon Oswald
1983-8-26
1027
Butte
Upper Bidwell Park, Chico, in Lindo Channel at Five Mile Recreation Area.
85
Comment
RSA722573
Phytolacca americana
R. R. Halse
2006-8-1
6977
Butte
Chico. In the Lindo Channel Greenway where it crosses under Mangrove Ave.
92
Comment
SEINET10537237
Phytolacca americana
Lowell Ahart, Vernon H. Oswald
1985-7-24
Ahart 5159
Butte
Along a small stream, along La Porte Road, about 4 miles north-east of Bangor.
Comment
SEINET10449366
Pieris japonica
Mary Susan Taylor
1975-5-6
Taylor 554
Butte
Campus of California State University Chico, along creek between bridge between Holt Hall and Butte Hall, and bridge between Holt Hall and Chemistry Bldg; Riparian Woodland.
61
Comment
JEPS99057
Pilularia americana
Lowell Ahart
2002-4-24
9525
Butte
Vernal pools and swales, in a field, on the east side of Lone Tree Road, about 1 1/8 miles north of Cox Lane, about 3 miles (air) SW of Palermo, about 7 miles (air) south of Oroville.
35
Comment
SEINET10530358
Pilularia americana
Mary Susan Taylor
1979-5-6
Taylor 2002
Butte
Peter & Lowel Ahart Ranch, Honcut; Valley Grassland.
Comment
CHSC41469
Pinus contorta
Lowell Ahart
1986-5-20
5275
Butte
West of the road on the west side of the Sly Creek Reservoir, about 1 mile north of the Sly Creek Dam.
1097
Comment
CAS-BOT-BC78448
Pinus contorta subsp. murrayana
H. F. Copeland
1929-6-11
1238
Butte
Jonesville
1524
Comment
NY61577
Pinus jeffreyi
E. B. Copeland
1929-7-19
333
Butte
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
SD14
Pinus monticola
E. B. Copeland
1929-7-17
Butte
above Jonesville, on summit ridges and north slopes
2000
Comment
CHSC3901
Pinus ponderosa
R. Carter
1967-7-31
501
Butte
Found ca. 17 mi. NE of Oroville on W side of Big Bald Rock and E side of Bald Rock Rd. where road turns off to campground.
1066
Comment
POM127000
Pinus ponderosa
A. A. Heller
1917-7-26
12850
Butte
Butte Meadows.
1280
Comment
CHSC77414
Pinus sabiniana
Laura Bogni
1997-3-25
6
Butte
Magalia grove; west side of Coutelenc Rd.; 1 mi. due W of Sawmill Peak; 1/2 mi. SE of Magalia Reservoir.
701
Comment
CHSC25253
Piperia transversa
M. S. Taylor
1977-6-26
1388
Butte
Ca. 2 mi. e of Cohasset.
762
Comment
CAS-BOT-BC6382
Pityrogramma triangularis var. semipallida
John Thomas Howell
1959-9-20
34696
Butte
Feather River Highway, 9 mi NE of Oroville
182
Comment
CAS-BOT-BC227981
Plagiobothrys
H. E. Brown
1897-4-4
165
Butte
Near Clear Creek
53
Comment
CHSC23463
Plagiobothrys
J. R. Lee
1974-4-22
3
Butte
At edge of pond 10 yds n of Skyway roadside and 1.6 mi e of Chico city limits.
76
Comment
CHSC29739
Plagiobothrys austiniae
J. D. Jokerst
1980-4-17
595
Butte
Top of North Table Mt. In drainages and edges of vernal pools.
441
Comment
UC480697
Plagiobothrys canescens
H. F. Copeland
1923-4-1
Butte
near Bidwell Park; Chico
Comment
SEINET263357
Plagiobothrys glyptocarpus
Lowell Ahart
1989-5-28
6279
Butte
S of Oregon Gulch Rd ca. 0.5 mi N of the Cemetary ca 1.25 mi W of Rocky Point ca 10 mi E and 3 mi N or Oroville
335
Comment
CDA34720
Plagiobothrys glyptocarpus var. glyptocarpus
L. Ahart
2010-6-9
16785
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 miles (air) northeast of Oroville.
Comment
UCD80154
Plagiobothrys greenei
CNPS SN Foothill Team
2005-4-13
SNFN 0080 a
Butte
Private Rock Ranch (horse ranch) owned by Chris and Maria Rock. The plot is near the SE corner of the south pasture, approximately 25 m from the south fence.
92
Comment
CHSC113448
Plagiobothrys hispidulus
Lowell Ahart
2014-7-10
19627
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1664
Comment
CHSC37423
Plagiobothrys hispidulus
R. A. Schlising; F. J. Fuller, R. Banchero
1982-6-30
4308
Butte
E of Inskip and NW of Jones Meadow.
1706
Comment
UC480660
Plagiobothrys hispidulus
H. F. Copeland
1930-7-28
Butte
hogwallow near head Willow Creek; Jonesville, head Willow Creek
Comment
CHSC116711
Plagiobothrys nothofulvus
Lowell Ahart
2016-5-14
20829
Butte
About 100 yards north of the waterhole, Peter Ahart Ranch, about1 3/4 miles northand 2 3/4 miles east of Honcut, about 11 miles (air) southeast of Oroville.
38
Comment
CHSC35056
Plagiobothrys scriptus
R. A. Schlising
1981-3-16
4002
Butte
About 3 miles E of Chico along Humboldt Road, paralleling Hwy 32. At roadside.
114
Comment
CHSC39029
Plagiobothrys scriptus
Lowell Ahart
1983-4-10
3918
Butte
Central part of county, north-east of highway 99 and Pentz Road about 1 mile.
65
Comment
SEINET516433
Plagiobothrys scriptus
Lowell Ahart
1977-1
1275
Butte
Normal size plant, growing on damp to dry gravelly red soil along the edge of small swales, Peter Ahart Ranch, about 1 1/2 mi N and 1 mi. E of Honcut, about 12 mi S of Oroville.
37
Comment
CHSC39508
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
1983-6-6
4034
Butte
Found on the bottom of a small vernal pool, Peter Ahart Ranch, about 2 miles north and 1/4 mile east of Honcut.
50
Comment
CHSC60967
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
1993-5-17
6946
Butte
Vernal pool, on the west side of Dunstone Road, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville.
60
Comment
CHSC90645
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2005-4-2
11682
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
JEPS117190
Plagiobothrys stipitatus var. micranthus
Lowell Ahart
2010-6-9
16786
Butte
On Damp to wet dark soil, bottom of a small drainage, open grassy pasture field, 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 miles (air) northeast of Oroville
398
Comment
SEINET3449087
Plagiobothrys stipitatus var. micranthus
Unknown
2003-5-28
10229
Butte
Oroville, Oroville, about 7 air miles north, North Table Mountain west of Cherokee Road, about 100 feet west of Hendricks ditch, about 1.75 miles west of the iron gate and fence
270
Comment
CHSC101311
Plagiobothrys tenellus
Lowell Ahart
2009-4-22
15571
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
CHSC46775
Plagiobothrys tenellus
Lowell Ahart
1980-4-30
2139
Butte
Near the bridge across Rocky Honcut Creek and Swedes Flat Road, about 3 miles east of the Bangor Oroville Highway, north of Bangor.
304
Comment
JEPS98424
Plantago coronopus
Lowell Ahart
2000-5-13
8347
Butte
5 air mi SW of Oroville (edge of a poor dirt rd, S side of the access rd to boat ramp at the Thermolito Afterbay, W of Larkin Road, 1 1/4 mi S of the Oroville Airport)
42
Comment
CHSC111355
Plantago elongata
Lowell Ahart
2012-5-4
17995
Butte
On wet dark soil, on the sides of a drainage, about 1/2 mile southwest of the lone pine tree on the rim of Beatson Hollow, about 1 1/4 mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 7 miles (air) north of Oroville.
302
Comment
CHSC39950
Plantago elongata
Lowell Ahart
1984-4-24
4584
Butte
Peter Ahart Ranch, ca. 2.5 mi NE of Honcut, ca. 12 mi S of Oroville.
50
Comment
JEPS103364
Plantago elongata
Lowell Ahart
2002-3-16
9417
Butte
On the bottom and sides of a depression, on the N side of a poor dirt road, ca 50 yards N of Highway 32, ca 1/4 mile E of the intersection of Bruce Road and Highway 32, E of Chico.
73
Comment
SBBG119748
Plantago elongata
L. Ahart
2004-4-14
10741
Butte
S side of Lower Honcut Rd, ca. 100 yds W of Wyandotte Crk, ca. 1/8 mi W of railroad, ca. 1.75 mi W of Honcut; T17N, R4E, S18, SW/4
27
Comment
UCSC008612
Plantago elongata
Lowell Ahart
2012-4-9
17835
Butte
West of South Rim Trail, south part of Upper Bidwell Park, about 2-1/4 (air) miles northeast of Chico.
142
Comment
UCD80496
Plantago erecta
CNPS SN Foothill Team
2005-4-14
SNFN 0033 c
Butte
Rock Ranch (private), in the NE corner of the horse pasture, ca. 10 m from the fence; west of the barn and house.
105
Comment
SEINET10499810
Plantago lanceolata
Mary Susan Taylor, Lowell Ahart
1981-8-15
Taylor 4180
Butte
T25N R4E se 1/4 se 1/4 sec 29. Paradise NE quad. Weed lot on N side of the Sky- way in Inskip. Yellow Pine Forest. 4800 ft.
1463
Comment
CHSC65171
Plantago major
Lowell Ahart
1995-8-19
7610
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
CDA42769
Plantago virginica
L. Ahart
2011-5-2
17350
Butte
Open pasture field, about 100 yards west of the dredged edge of North Honcut Creek, about 2 1/2 miles north and 2 1/2 miles east of Honcut, about 12 miles southeast of Oroville.
Comment
SEINET10470060
Platanthera dilatata var. leucostachys
Mary Susan Taylor
1980-1
Butte
Comment
CHSC109624
Platanus racemosa
Lowell Ahart
2012-5-17
18074
Butte
On the west side of a horse trail, about 40 yards north of Big Chico Creek, south of the southwest corner of the old walnut orchard, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico.
76
Comment
CHSC27183
Platycladus orientalis
P. Moyer
1971-10-8
36
Butte
W side library, CSUS campus.
60
Comment
CHSC1209
Platystemon californicus
S. Carter
1929-4-16
Butte
Just north of Chico.
60
Comment
CAS-BOT-BC91592
Platystemon californicus
Mrs. J. H. Morrison
1952-4-3
s.n.
Butte
Durham.
Comment
RSA638253
Plectritis brachystemon
Michael A. Vincent, Ethan H. Freid
1998-4-6
8119
Butte
Table Mountain.
Comment
RSA325088
Plectritis ciliosa
M. S. Taylor
1981-4-5
3491
Butte
Berry Creek quad. At end of Dark Canyon Rd at turnout near restroom, ca. 3.5 mi. s of Big Bend Rds., ca. 5 s of Jarbo Gap on Hwy 70, n of Oroville.
305
Comment
SEINET10840003
Plectritis congesta
Mary Susan Taylor
1980-4-1
Taylor 2428
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
UCD137545
Plectritis congesta subsp. brachystemon
Michael A. Vincent; Ethan H. Freid
1998-4-6
8119
Butte
Table Mountain.
Comment
CHSC109134
Plectritis macrocera
Lowell Ahart
2012-3-23
17790
Butte
On and around a large rock outcrop, about 200 yards east of Big Chico Creek, about 200 yards west of Ten Mile House Road, below and north of the old homestead, about 3/4 mile west of Highway 32, about 9 miles (air) northeast of Chico.
215
Comment
CHSC94258
Poa bolanderi
Lowell Ahart
2006-7-16
12972
Butte
West edge of a large meadow and bog, about 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1569
Comment
SEINET10968212
Poa bulbosa
Lowell Ahart
1984-4-3
Ahart 4534
Butte
T17N R4E sec 1. Along North Honcut Creek, ca. 1 mile N and 2.7 miles E of Honcut; on Peter Ahart Ranch. Foothill Woodland; 50 m.
50
Comment
CAS-BOT-BC255067
Poa compressa
Lowell Ahart
1988-6-29
6090
Butte
E of Galen Ridge Road, about 0.5 mile E of the Oroville Quincy Highway, N of Lake Madrone
621
Comment
CHSC44460
Poa compressa
Lowell Ahart
1988-6-29
6090
Butte
East of Galen Ridge Road, about 1/2 mile east of the Oroville Quincy Highway, north of Lake Madrone.
621
Comment
UC1586632
Poa compressa
Lowell Ahart
1991-7-22
6665
Butte
e of Springtown Rd Lake Oroville (w side of Powell Creek)
243
Comment
SEINET10655771
Poa epilis
Vernon H. Oswald, Lowell Ahart
1990-7-19
Oswald 4371
Butte
Slope on the south side of Philbrook Creek, ca. 3 miles east of Philbrook Reservoir, ca. 0.8 mile west of the Plumas County line. T25N R5E SW/S16. Red Fir Forest.
1966
Comment
CDA32005
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 the intersection of Highway 32 and Ten Mile House Road, about 10 miles northeast of Chico.
Comment
CHSC27795
Poa secunda subsp. secunda
K. Bridwell
1978-3-11
41
Butte
1 mi ne intersection of Rock Creek Rd and Cohasset Hwy, along Cohasset Hwy. Ca. 4 mi ne of Chico.
457
Comment
CHSC35630
Poa secunda subsp. secunda
R. E. Preston
1982-3-24
197
Butte
Ca. 50 ft n of the Skyway, 1/4 mi e of Hwy 99, Chico. At edges of vernal pools. Area advertised for commercial development.
67
Comment
CHSC60706
Poa secunda subsp. secunda
Vernon H. Oswald
1993-4-12
5259
Butte
S wall of Flag Canyon on the NW edge of North Table Mtn., N of Oroville. Along an old track running from the bottom of the canyon up onto the top of Table Mtn.
341
Comment
CHSC52057
Pogogyne zizyphoroides
R. A. Emmrich
1975-5-6
55
Butte
Roadside w of Chico-Oroville Hwy, 1/4 mi n of intersection with Hwy 99.
76
Comment
UC762083
Pogogyne zizyphoroides
R. F. Hoover
1936-5-20
1150
Butte
10 mi SW of Oroville
Comment
CHSC26716
Polanisia dodecandra subsp. trachysperma
M. P. Hayes
1977-10-23
140
Butte
Lindo channel about 180 m w of its intersection with Mangrove Avenue in Chico.
35
Comment
CAS-BOT-BC167549
Polygala cornuta var. cornuta
Lowell Ahart
1989-5-31
6334
Butte
North of the end of Truex Road, near Lake Oroville, about 1/4 mile north-west of the West Branch Bridge across Lake Oroville
304
Comment
JEPS87156
Polygala cornuta var. cornuta
Lowell Ahart
1992-8-2
6913
Butte
e of intersection about 1/2 mi n Flea Valley (about 4 1/2 (air) mi ne of Concow Reservoir)
1158
Comment
CHSC113440
Polygonum aviculare
Lowell Ahart
2014-7-7
19563
Butte
About 5 yards east of the Skyway, about one-mile north of Stirling City.
1142
Comment
CHSC38612
Polygonum aviculare
Vernon Oswald
1983-5-31
596
Butte
Upper Bidwell Park, Chico, at the Rifle and Trap Range. Gowing in hard, disturbed soil of the parking lot.
103
Comment
CHSC46204
Polygonum aviculare
L. P. Janeway
1986-10-19
1940
Butte
Wet area along small creek feeding Thermalito Forebay from the NE. Between bay and hwy 99 and just N of the State Park picnic grounds.
67
Comment
SEINET10479334
Polygonum aviculare
Mary Susan Taylor
1980-10-6
Taylor 3359
Butte
T23N R5E se sec 15, Pulga quad. S side of Hwy 70, ca. 0.4 mi W of Bear Creek jct with N Fork Feather River, ca. 0.5 mi W of Arch Rock Tunnel Rest Stop, near Butte-Plumas county line; granitic soils.
488
Comment
CHSC110252
Polygonum aviculare subsp. depressum
L. P. Janeway
2012-10-11
11075
Butte
Northern High Sierra Nevada. Plumas National Forest; southwest-ern end of Rocky Ridge, 0.8 km west of Ponderosa Way/Rim Road, near high-voltage power lines.
895
Comment
CAS-BOT-BC109138
Polygonum bidwelliae
David D. Keck
1933-5-31
2470
Butte
Bridge crossin Mud Creek, 2.9 miles west of Richardson Springs.
Comment
RSA261661
Polygonum bistortoides
A. Kellogg
1870-6-21
s.n.
Butte
Chico
Comment Read comments Jun 10 2012
UC1136112
Polygonum bolanderi
P. L. Johannsen
1936-7-29
971
Butte
1 1/2 mi n junction Butte and Secret Creeks (Plot 12); Paynes Creek Quadrangle
Comment
CHSC45857
Polygonum californicum
Lowell Ahart
1974-10-18
663
Butte
Along the edges of a small wash, Peter Ahart Ranch, about 1 1/2 miles north and 1 1/4 miles east of Honcut, about 12 miles south of Oroville.
Comment
CAS-BOT-BC414366
Polygonum californicum
Lowell Ahart
1979-5-29
s.n.
Butte
2 1/2 miles se of Paradise. About 1/4 mi. n of Kunkle Res. & e of Kunkle Cr.
500
Comment
UCR66556
Polygonum davisiae
H. F. Copeland
1928-8-29
0345
Butte
Northern Sierra Nevada Mtns., neighborhood of Jonesville, summit of Humboldt Road
2134
Comment
SEINET3405774
Polygonum douglasii
E. B. Copeland
1930-7-24
630
Butte
Jonesville.
1500
Comment
UC478528
Polygonum douglasii subsp. douglasii
E. B. Copeland
1930-7-24
630
Butte
Jonesville
1500
Comment
JEPS95813
Polygonum hydropiper
Lowell Ahart
1999-10-3
8293
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
JEPS118058
Polygonum lapathifolium
Lowell Ahart
2011-8-17
17628
Butte
Aboout 10 yards north of the trail, north of the crossing and on the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Prk, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico
203
Comment
CHSC11917
Polygonum minimum
E. B. Copeland
1931-7-18
631
Butte
Jonesville. On shaded gravel bars by Butte Creek.
1500
Comment
JEPS108773
Polygonum polygaloides subsp. kelloggii
Lowell Ahart
2006-7-16
13006
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
JEPS121957
Polygonum polygaloides subsp. kelloggii
Lowell Ahart
2014-7-7
19582
Butte
West of the bog, Coon Hollow, about 2 miles (air) north of Philbrook Reservoir.
Comment
CHSC103173
Polygonum punctatum
Lowell Ahart
2009-11-19
16559
Butte
About 30 yards west of table, about 100 yards south of Ten Mile House Road, Upper Bidwell Park, about 1/2 mile (air) west of Highway 32, about 10 miles northeast of Chico.
242
Comment
SEINET10970715
Polygonum punctatum
Lowell Ahart
1991-9-14
Ahart 6714
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
CAS-BOT-BC71859
Polypodium californicum
Bruce Hamren
1978-4-24
13
Butte
West Branch Feather River, Cherokee Quadrangle
280
Comment
CAS-BOT-BC71862
Polypodium californicum
Rod O'Sullivan
1977-2-12
4
Butte
Little Chico Creek Canyon, 9.2 mi NE of Chico on Hwy 99 and 1 mi E of Tenmile House, Paradise Quadrangle, 15'
268
Comment
SEINET10530407
Polypodium californicum
Mary Susan Taylor
1973-1
Taylor 54
Butte
Upper Bidwell Park, Chico. Associates: Stipa pulchra, Lasthenia chrysostoma, Layia fremontii.
61
Comment
CDA42733
Polypodium calirhiza
L. Ahart
2005-1-2
11472
Butte
On the west side of McCabe Creek, above the high water line of Lake Oroville, about 1/4 mile south of the siphon, about 3 miles (air) northeast of Hurleton, about 7 miles (air) east of Oroville Dam
Comment
CHSC109672
Polypodium calirhiza
Lowell Ahart
2012-7-5
18279
Butte
On the south edge of Big Chico Creek, at Table 11, east of the Deer Pen, Lower Bidwell Park, Chico.
74
Comment
CHSC23410
Polypodium calirhiza
M. S. Taylor
1976-3-6
1014
Butte
Along Macabes Creek, ca. 100 yds e of Lumpkin Rd, ca. 1 mi ne of Forbestown Rd, ca. 12 mi e of Oroville.
1066
Comment
CHSC28514
Polypodium calirhiza
M. S. Taylor; J. D. Jokerst
1979-10-13
2270
Butte
Near creek on Jordan Hill Rd (Ponderosa Way on some maps) ca. 10.7 mi n of its jct with Concow Rd, ca. 1.5 mi n of Sawmill Peak, ca. 2 mi e of Magalia.
853
Comment
CAS-BOT-BC76865
Polypodium glycyrrhiza
A. A. Heller
1919-3-29
13089
Butte
Feather River near Yankee Hill
Comment
CHSC102416
Polypogon australis
Lowell Ahart
2009-6-19
15927
Butte
On wet soil, drainage in meadow, about 30 yards south of the fence and about 100 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
269
Comment
CAS-BOT-BC233059
Polypogon interruptus
Lowell Ahart
1983-6-26
4110
Butte
Along Ponderosa Way, ca. 1/8 mile E of the intersection of the Oroville Quincy Highway and Ponderosa Way, ca. 15 miles NE of Oroville
500
Comment
CHSC34177
Polypogon interruptus
L. Ahart
1981-9-15
3158
Butte
On sides of Pinkard Creek, ca. 1/2 mi n of Lost Creek Reservoir.
1100
Comment
JEPS114961
Polypogon interruptus
Lowell Ahart
2008-5-12
14741
Butte
Below the high water line of Lake Oroville, on the east side of Sucker Creek, about 40 yards north of where Sucker Creek enters the South Fork of the Feather River, about 1/4 mile west of the Ponderosa Dam
258
Comment
JEPS118208
Polypogon viridis
Dean W. Taylor
2004-6-17
19105
Butte
Flea Valley (3 air miles NW of Pulga; watershed Flea Valley Creek, tributary North Fork Feather River)
1127
Comment
JEPS87566
Polystichum
Lowell Ahart
1994-10-9
7561
Butte
ca. 8 1/2 air mi n and 1 1/2 mi e of Feather Falls (n side of poor rd from Milsap Bar to Mountain Spring House, ca. 1 mi w of Mountain Spring House and the paved rd.)
1158
Comment
SEINET10530121
Polystichum imbricans
Mary Susan Taylor
1980-3-8
Taylor 2368
Butte
Pulga community, ca. 1 mi NE of Hwy 70, ca. 28 mi NE of Oroville; serpentine soils.
488
Comment
JEPS122334
Polystichum imbricans subsp. curtum
Lowell Ahart
2014-8-24
19723
Butte
On the south side of the road, about 150 yards southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown.
Comment
JEPS124286
Polystichum imbricans subsp. curtum
Lowell Ahart
2015-10-24
20583
Butte
About 1/2 mile southeast of the bridge across Butte Creek, about 2 1/2 miles (air) north of De Sabla Reservoir.
Comment
CHSC13715
Populus fremontii
M. S. Taylor
1974-10-11
326
Butte
Ca. 50 ft e of Sacramento River, ca. 1/4 mi n of washout, ca. 10 mi w of Chico.
Comment
CHSC38663
Populus fremontii
Vernon Oswald
1983-3-12
168 .5
Butte
Upper Bidwell Park, Chico, beside Upper Park Rd. ca. 0.2 mi e of the end of the pavement.
97
Comment
CHSC108758
Populus fremontii subsp. fremontii
L. P. Janeway
2011-5-9
10254
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
CHSC57136
Portulaca oleracea
L. P. Janeway
1988-6-29
2901
Butte
Spring where Crouch Ravine fades into Coon Ridge; 1/4 mi south of Skyway, 2.9 mi east of the Butte Creek Bridge.
170
Comment
UC1101393
Portulaca oleracea
Malcolm A. Nobs, S. Galen Smith
1949-7-29
1087
Butte
on road from Biggs to Princeton (Butte Creek); Butte Creek
Comment
CHSC43802
Potamogeton gramineus
Vernon Oswald; Lowell Ahart
1987-7-1
3076
Butte
Cluster of 3 snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of the Butte-Plumas county line, ca. 5.5 mi (air) se of Jonesville. In the north lake.
1935
Comment
UC1100071
Potamogeton nodosus
Herbert L. Mason
1947-7-10
12640
Butte
Sanford Slough, sw corner of Butte County Sanford Slough; , Butte Sink
Comment
RSA4416
Potamogeton pusillus subsp. tenuissimus
E. B. Copeland
1931-7-20
604
Butte
Jonesville, Butte County.
1650
Comment
CHSC46588
Potentilla drummondii
V. Oswald; L. Ahart
1989-7-12
3855
Butte
Meadow near the headwaters of Big Kimshew Creek, ca. 2 mi (air) sw of Lotts Lake, ca. 3 mi (air) se of Philbrook Reservoir.
1901
Comment
SEINET3077020
Potentilla flabellifolia
Marc Mittleman
1980-8-1
Butte
Little Chico Creek, adjacent to China Garden Springs.
262
Comment
SEINET10871270
Potentilla glandulosa subsp. reflexa
Mary Susan Taylor
1976-5-5
Taylor 1115
Butte
Abundant along or near in drier areas of Bear Creek, ca. 500 ft to 1/8 mi S of Hwy 70, ca. 30 mi NE of Oroville.
Comment
CHSC101760
Poterium sanguisorba
Lowell Ahart
2009-5-23
15732
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.
236
Comment
CAS-BOT-BC64614
Primula suffrutescens
R. A. Schlising; R. Preston; R. Banchero; D. Burk
1981-7-21
s.n.
Butte
SE. of Jonesville in ne. part of county, on ridgetop of Snow Mountain.
2103
Comment
SEINET10498364
Prunella vulgaris subsp. lanceolata
Mary Susan Taylor
1978-7-21
Taylor 1819
Butte
On S side of Oroville-Quincy Hwy, along creek and in meadow, ca. 14 mi N of Lake Madrone, ca. 24 mi NE of Oroville; Yellow Pine Forest.
1463
Comment
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
CHSC51228
Prunella vulgaris var. vulgaris
Lowell Ahart
1975-6-23
803
Butte
Growing along the edges of North Honcut Creek, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south-east of Oroville.
53
Comment
CAS-BOT-BC159925
Prunus emarginata
H. F. Copeland
1928-8-18
125
Butte
Neighborhood of Jonesville
Comment
UCD113181
Prunus emarginata
H. F. Copeland
1928-8-18
s.n.
Butte
Jonesville.
Comment
CHSC35090
Prunus persica
S. Posner
1972-10-3
Butte
Garden behind 725 Nord Ave., Chico.
Comment
CHSC23665
Prunus virginiana var. demissa
M. S. Taylor
1976-4-27
1085
Butte
On w side of Cohasset Hwy, ca. 7 mi n of Chico.
121
Comment
CHSC116118
Pseudognaphalium luteoalbum
Lowell Ahart; John Dittes, Josephine Guardino, Steve Green
2015-11-14
20636
Butte
On the bottom of the outlfow area at the bottom of Lake Francis Dam, Lake Francis, about 1 1/2 miles south of Dobbins.
479
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
CAS-BOT-BC357002
Pseudognaphalium luteoalbum
Lowell Ahart
1979-12-29
2024
Butte
Peter Ahart Ranch, Honcut
50
Comment
CAS-BOT-BC357004
Pseudognaphalium luteoalbum
Lowell Ahart
1987-5-6
5500
Butte
Along the North Fork of the Feather River, near Poe Power House, about 2 miles south-east of Jarbo Gap
271
Comment
SFV11416
Pseudognaphalium luteoalbum
M. L. Vincent
1965-4-16
621
Butte
Pentz Road and Highway 70 below highway in ravine.
Comment
CHSC38351
Pseudognaphalium stramineum
Vernon Oswald
1983-5-27
560
Butte
Upper Bidwell Park, Chico, 200 ft n of Upper Park Rd. at Diversion Dam.
121
Comment
UC1562448
Pseudognaphalium stramineum
Lowell Ahart
1990-4-28
6467
Butte
about 4.5 mi sw of Oroville (about 0.25 mi s of the feather River, about 0.4 mi w of Pacific Heights Road, in the borrow area)
30
Comment
CHSC113508
Psilocarphus tenellus
Lowell Ahart
2014-7-10
19625 -A.
Butte
About 100 yards south of Philbrook Road, about 1 mile (air) west of Philbrook Reservoir.
1664
Comment
JEPS122031
Psilocarphus tenellus
Lowell Ahart
2014-7-2
19545
Butte
About 200 yards north of the County Road, about one mile west of the intersection of County Road and Lumpkin Road, about 7 miles northeast of Feather Falls.
Comment
CHSC46966
Psilocarphus tenellus var. globiferus
Lowell Ahart
1979-5-11
1867
Butte
In a grain field, Peter Ahart Ranch, about 2 miles north and 3/4 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
UCR190820
Ptelea crenulata
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
CHSC20719
Pteridium aquilinum var. pubescens
M. S. Taylor
1975-8-31
897
Butte
On w side of Butte Creek, ca. 5 ft n of Humboldt Rd, ca. 1/2 mi e of Butte Meadows.
1341
Comment
CHSC95164
Pterospora andromedea
R. D. Fischer
2004-6-20
817
Butte
Chico Meadows. Nothern Sierra Nevada, n. of Forest Ranch, 5 miles w. of Hwy 32 off Humboldt Road to Butte Meadows and ca. 3 miles n. to Chico Meadow (Camp Lassen, BSC) on Scout Road.
1280
Comment
CHSC38621
Pterostegia drymarioides
Vernon Oswald
1983-4-9
302
Butte
Upper Bidwell Park, Chico, on the north rim ca. 1.4 mi e of the power lines.
350
Comment
CHSC108957
Pyracantha koidzumii
Lowell Ahart; Linnea Hanson, Susan Bazell, Josephine Guardino
2012-4-16
17863
Butte
South side of Big Chico Creek, east of the Deer Pen, near Table 12, Lower Bidwell Park, Chico.
65
Comment
JEPS120049
Pyracantha koidzumii
Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-4-16
17863
Butte
On the south side of Big Chico Creek, east of the Deer Pen, near Tables 12, Lower Bidwell Park, Chico.
Comment
UC474249
Pyrola asarifolia
H. F. Copeland
1930-7-27
Butte
Jonesville
Comment
CAS-BOT-BC462849
Pyrola asarifolia
E. B. Copeland
1931-7-1
670
Butte
Jonesville
1500
Comment
UCR231087
Pyrola dentata
Anna M. Hurlbutt
2009-8-7
019
Butte
Northern Sierra Nevada Mtns., vicinity of Inskip Inn, end of paved part of Skyway Rd., north of Paradise
1463
Comment
SEINET10874403
Pyrola picta subsp. integra
Mary Susan Taylor
1980-8-2
Taylor 3215
Butte
T27N R5E center sec 32, Jonesville quad. Humboldt Peak, N tip of the county.
2155
Comment
CDA13273
Pyrola picta var. dentata
G. F. Hrusa, T. D. Wilfred
1996-7-9
13121
Butte
Plumas National Forest; Above Jordan Creek, above falls before confluence with Marble Creek.
Comment
JEPS119898
Pyrus communis
Lowell Ahart, Linnea Hanson, Josephine Guardino
2012-5-23
18109
Butte
Along the horse trail, north of Table 32, about 50 yards south of Vallombrosa Avenue, southwest of Crister, Lower Bidwell Park, Chico.
Comment
CAS-BOT-BC105030
Quercus X morehus
Lowell Ahart
1976-7-15
s.n.
Butte
Near edge of North Honcut Creek, 2 miles N and 3 miles E of Honcut
200
Comment
JEPS119539
Quercus X morehus
Lowell Ahart
2012-4-20
17894
Butte
About 100 yards west of the intersection of Ten Mile House Road and South Rim Trail, about 5/8 mile west of Highway 32, about 9 miles (air) northeast of Chico.
Comment
UC2026893
Quercus acutissima
Lowell Ahart, Linnea Hanson, Susan Bazell, Josephine Guardino
2012-5-10
18001
Butte
On the west side of the horse path, about 20 yards north of the paved park road, west of the old walnut orchard, south Vallombrosa Avenue, about 1/4 mile west of Peterson Drive, Lower Bidwell Park, Chico.
Comment
SEINET13953128
Quercus berberidifolia
T. A. Ranker, P. G. Trapp
1994-1
1619
Butte
Pence Road, south of Paradise, T21N, R4E, S6 ca 1,300 ft (395m).
396
Comment
RSA594187
Quercus chrysolepis
S. O. Mattoon
1978-9-23
63
Butte
Southern Cascade Mountains: Middle Fork Butte Creek Rim, Ponderosa Way Forest Road; 5 air miles NNW of Magalia.
762
Comment
CHSC111730
Quercus coccinea
Lowell Ahart; Susan Bazell, Josephine Guardino, Wes Dempsey
2012-6-21
18224
Butte
North side of paved parak road, north of South Park Drive, east of Caper Acres Playground, about 150 yards west of the Freeway, Lower Bidwell Park, Chico.
62
Comment
SEINET13953267
Quercus dumosa
A. A. Heller
1916-1
12649
Butte
Ten mile house east of Chico in the digger pine belt in thin red clay soil, the rocks igneous.
Comment
CAS-BOT-BC79604
Quercus durata
Lowell Ahart
1987-5-11
5618
Butte
S of the Forbestown Ditch, about 2 1/2 mi NE of Forbestown
868
Comment
CAS-BOT-BC94250
Quercus garryana var. breweri
M. S. Taylor; J. D. Jokerst
1979-10-13
2246
Butte
Foothill Woodland at Jordan Hill Rd (Ponderosa Way on some maps) bridge over creek, ca. 8 mi N of its jct with Concow Rd
426
Comment
CHSC34807
Quercus kelloggii
M. S. Taylor
1981-5-21
3763
Butte
S side of Lake Concow, ca. 5 mi e of Paradise.
640
Comment
CHSC38445
Quercus kelloggii
Vernon Oswald
1983-5-23
547
Butte
Upper Bidwell Park, Chico, near Yahi Trail e of Brown's Hole.
207
Comment
JEPS95964
Quercus kelloggii
Lowell Ahart
1999-6-12
8084
Butte
North Table Mountain; about one mile (air) northwest of the entrance gates along the west side of Cherokee Road; about 7 miles (air) north of Oroville
365
Comment
RSA754366
Quercus kelloggii
L. Ahart
2009-6-3
15812
Butte
150 yards SW of Ten Mile House Road, Upper Bidwell park, about 1/2 air miles SW of the intersection of Hwy 32 and Ten Mile House Road, about 10 miles NE of Chico.
287
Comment
LA205377
Quercus vacciniifolia
A. A. Heller;
1915-6-10
11957
Butte
Little Summit
1371
Comment
CAS-BOT-BC104693
Quercus wislizeni
John Thomas Howell
1955-6-15
30490
Butte
6 miles from Paradise on road to Pentz
426
Comment
UC398911
Ranunculus aquatilis var. capillaceus
E. B. Copeland
1929-7-28
360
Butte
Jonesville; in cold streams
1500
Comment
POM98907
Ranunculus aquatilis var. capillaceus
C. C. Bruce
1897-04
1892
Butte
[No location data on label]
Comment
CAS-BOT-BC379116
Ranunculus aquatilis var. diffusus
Vernon Oswald; Lowell Ahart
1987-7-1
3072
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
1935
Comment
CHSC31877
Ranunculus aquatilis var. hispidulus
L. Ahart
1974-6-3
468
Butte
In wash. Peter Ahart Ranch, Honcut.
45
Comment
CHSC118055
Ranunculus arvensis
Daphne K. Christopher; Hannah Stevens, Lowell Ahart
2003-4-21
227
Butte
Off Hwy 99. Ahart Family Ranch along boundary on access road and edge of field.
41
Comment
CHSC43883
Ranunculus arvensis
L. P. Janeway
1988-5-6
2659
Butte
City of Chico; S side of the wetland behind the new Chico Mall.
68
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
SEINET12094429
Ranunculus bonariensis
Unknown
1983-1
261
Butte
SW of Bangor, T18N, R4E, sec. 36
73
Comment
CHSC46843
Ranunculus bonariensis var. trisepalus
Kirsten Tarp
1983-4-3
261
Butte
SW of Bangor; vernal pool.
73
Comment
JEPS84978
Ranunculus bonariensis var. trisepalus
Barbara Ertter with Lowell Ahart
1986-4-13
5901
Butte
ca 2 air mi nne Honcut (between Oroville and Marysville); Peter Ahart Ranch
30
Comment
SEINET12089318
Ranunculus californicus
Unknown
1978-1
4
Butte
Small population, ca 900 ft e of Big Chico Creek, ca 1200 ft ne of jct of Humbug and Honey Run Rds
146
Comment
SEINET12089319
Ranunculus californicus
Unknown
1978-1
4
Butte
Small population, ca 900 ft. e of Big Chico Creek, ca 1200 ft ne of jct of Humbug and Honey Run
146
Comment
SEINET7083219
Ranunculus canus
L. Ahart
2003-5-28
10228
Butte
Edges of a large vernal pool 100 feet west of Hendricks ditch, about 1.75 miles west of the iron gate and fence west of Cherokee Road, North Table Mountain. About 7 miles north of Oroville. 39? deg. 35' 3.5" North Latitude; 121? deg. 35' 7.3" West Longitude. EX MWI.
Comment
UC176136
Ranunculus canus var. canus
A. A. Heller
1913-4-7
10727
Butte
Hills six miles north of Oroville
Comment
POM268696
Ranunculus flammula var. ovalis
E. B. Copeland
1929-7-29
s.n.
Butte
Joneville, near Butte Creek
1750
Comment
JEPS124188
Ranunculus hebecarpus
Lowell Ahart
2015-3-24
19963
Butte
About 3 1/2 miles (air) southwest of Oroville.
Comment
POM99252
Ranunculus hebecarpus
C. C. Bruce
1897-05
1889
Butte
Iron Canyon
Comment
SEINET12094428
Ranunculus hebecarpus
Unknown
1982-1
100
Butte
Near Chico in Upper Bidwell Park, T22N, R2E, sec. 8
152
Comment
RSA636048
Ranunculus muricatus
Michael A. Vincent, Ethan H. Freid
1998-4-6
8124
Butte
Table Mountain.
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
RSA4437
Ranunculus populago
E. B. Copeland
1930-6-25
640
Butte
Jonesville.
1500
Comment
CHSC48827
Ranunculus sardous
Vernon Oswald
1987-5-26
2931
Butte
Rancho Bosquejo. East side of the Sacramento River at the w end of Cana Hwy (Feenstra's Riverview Orchard). On the edge of a pond.
48
Comment
CHSC48830
Ranunculus uncinatus var. parviflorus
Vernon Oswald
1987-7-13
3105
Butte
Jones Creek, ca. .25 mi n of the road connecting Humboldt and Humbug roads, ca. 1.25 mi (air) ne of Jonesville.
1645
Comment
SEINET13946322
Rhamnus crocea
C. R. Quick
1952-1
52 -293
Butte
Near Hog Spring, NE of Chico
Comment
CHSC23706
Rhododendron occidentale
M. S. Taylor
1976-5-5
1101
Butte
On e side of Bald Rock Rd, ca. 4 mi s of Big Bald Rock, ca. 13 mi ne of Oroville.
914
Comment
SEINET10454080
Rhus trilobata
Mary Susan Taylor
1975-4-25
Taylor 505
Butte
Ca. 20 mi NE of Chico on Cohasset Rd, ca. 0.5 mi N of the horse trough.
Comment
RSA718500
Rhynchospora capitellata
L. P. Janeway
2006-8-12
8849
Butte
Large soggy meadow opening along an upper Western branch of Keyser Creek; 0.7 km. southeast of Bald Mountain summit.
1681
Comment
CHSC1658
Ribes inerme var. klamathense
T. Morgue
1932-5-3
Butte
Concow Reservoir.
579
Comment
UC129470
Ribes nevadense
Miss Kate Conger
1907-1
Butte
Brush Creek
Comment
SEINET10482950
Ribes roezlii
Mary Susan Taylor
1977-7-15
Taylor 1414
Butte
Immediate vicinity of Butte Creek under Honey Run Covered Bridge, ca. 5 mi E of Chico.
244
Comment
CAS-BOT-BC198957
Ribes roezlii var. roezlii
H. F. Copeland
1929-6-11
1237
Butte
Jonesville
1524
Comment
CHSC4250
Ribes roezlii var. roezlii
J. E. Bowlin
1967-3-24
33
Butte
0.3 mi NW of Cresta Powerhouse, Hwy 70.
Comment
CHSC87414
Ribes roezlii var. roezlii
R. D. Fischer
2004-2-28
121
Butte
Sierra Nevada range, between Chico and Forest Ranch, west side of Hwy 32. Located within Big Chico Creek Ecological Reserve. Access at gated and paved roadway, which is approx. 1 mile south of main entrance (14 Mile House Road). West side, at end of access road.
544
Comment
CAS-BOT-BC173955
Ribes viscosissimum
F. N. Bassett
1923-6-16
s.n.
Butte
Jonesville
Comment
CHSC50425
Ribes viscosissimum var. hallii
Vernon Oswald
1990-6-14
4294
Butte
Logging road (T-Line) crossing High Rock Ravine, 0.1 mile west of its junction with Retson Rd (10-T), ca. 1.0 mile north-northwest of Bald Mtn Lookout.
1731
Comment
CAS-BOT-BC362953
Rigiopappus leptocladus
John Thomas Howell
1962-6-16
37594
Butte
Feather River West Branch sw. of Nelson Bar
304
Comment
CHSC96233
Romulea rosea var. australis
R. Fischer
2006-4-26
999
Butte
Chico. Sierra Nevada foothills, adjacent Hwy. 32, below Forest Ranch in the Big Chico Creek Ecological Reserve. Plants growing at southern end of reserve along Chico Canyon Road, on the roadbed and the eastern edge. Population 1 to 1.25 miles north of Bidwell Park boundary. 10609840E, 4409919N, Nad 27.
253
Comment
CAS-BOT-BC74470
Rorippa curvisiliqua
H. F. Copeland
1929-6-10
1203
Butte
Jonesville.
1524
Comment
CAS-BOT-BC74471
Rorippa curvisiliqua
H. F. Copeland
1929-6-10
1203
Butte
Jonesville.
1524
Comment
CHSC113160
Rorippa curvisiliqua
Lowell Ahart
2013-11-17
19261
Butte
Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 of a mile southwest of the Enterprise Bridge across Lake Oroville.
245
Comment
CDA25120
Rorippa curvisiliqua
T. C. Fuller
1959-7-6
Butte
East of Highway 99E, 4.5 miles south of Oroville.
0
Comment
SEINET10448491
Rorippa curvisiliqua var. occidentalis
Lowell Ahart
1990-10-3
Ahart 6612
Butte
On the bottom of the East Fork of Canyon Creek, below the high water line of Lake Oroville, about 1/8 mile north-east of the Canyon Creek Bridge across Lake Oroville. Foothill Woodland (destroyed). T20N R5E SW/S16.
244
Comment
CHSC116289
Rorippa curvisiliqua var. orientalis
Lowell Ahart
2015-10-25
20591
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
CHSC69715
Rorippa curvisiliqua var. orientalis
Lowell Ahart
1997-10-24
7937
Butte
About 200 yards north of the South Fork of the Feather River and on the east side of Sucker Creek, strand of Lake Oroville, about 1/4 mile west of the Ponderosa Dam.
274
Comment
CHSC43214
Rosa gymnocarpa
L. P. Janeway
1987-5-28
2115
Butte
Along spur road from Coyote Gap to the F.S. Station.
1325
Comment
CHSC116569
Rosa multiflora
B. Castro
2016-4-15
2131
Butte
Sacramento Valley. At N end of Chico, just S of the Chico Airport, along Sycamore Creek, ca -.4 mi downstream (W) of its crossing under the Cohasset Hwy bridge. At moist lowest edge of bank on N side of channel, near a large cottonwood tree roughly opposite the confluence of Dry Creek.
55
Comment
RSA0005392
Rosa pisocarpa subsp. ahartii
Barbara Ertter
2007-6-23
19074
Butte
Black Bart Road. 1.3 miles from lower junction with Forbestown Road ca. 10 air miles ESE of Oroville.
655
Comment
CHSC43127
Rosa pisocarpa subsp. pisocarpa
L. P. Janeway
1987-6-13
2212
Butte
Edge of mdw just NE of jct of Concow Rd and the road to Flea Mtn.
1188
Comment
UC1586509
Rotala ramosior
Vernon H. Oswald and Lowell Ahart
1991-8-28
4849
Butte
3.5 mi nw of Biggs (Rice Experimeent Station on s side of Highway 162); Rice Experimeent Station, Highway 162
30
Comment
CAS-BOT-BC147095
Rubus
John Thomas Howell
1959-9-20
34684
Butte
Eastern outskirts of Oroville
60
Comment
CHSC45810
Rubus armeniacus
L. P. Janeway
1987-5-7
2019
Butte
Along Little Chico Cr at the powerlines; near Stilson Cyn Rd 0.8 mi east of Bruce Rd.
88
Comment
CHSC45821
Rubus armeniacus
L. P. Janeway
1987-6-20
2256
Butte
S Fk Feather R at crossing of rd from Lumpkin Ridge to Moorville Ridge, 3.3 mi from the Feather Falls-Lumpkin Ridge Rd. Along rd on S side of river.
975
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
CHSC48870
Rubus glaucifolius
Vernon Oswald
1985-6-10
1827
Butte
0.2 mi w of Hwy 32 on a spur road located 0.1 mi s of Forest Ranch Forest Fire Station.
1042
Comment
CAS-BOT-BC148351
Rubus laciniatus
Clarence R. Quick
1962-8-19
62 -81
Butte
Coyote Gap-Four Trees Road, Plumas National Forest
Comment
CHSC102620
Rubus laciniatus
Lowell Ahart
2009-7-9
16013
Butte
On the east edge of big Chico Creek, about 15 yards west of Ten Mile House Road, Upper Bidwell Park about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
181
Comment
CHSC45812
Rubus laciniatus
L. P. Janeway
1987-6-13
2201
Butte
Southeast side of Concow Rd at Flea Valley. Along Flea Valley Cr.
1127
Comment
CHSC64663
Rubus laciniatus
H. H. Schmidt; M. Merello, L. Woodruff
1993-6-15
861
Butte
Plumas National Forest on state road 23N06 1.5 miles N of the junction with highway 70. Latitude on label says '39 degrees 45 minutes 78 seconds N'.
880
Comment
SBBG3096
Rubus laciniatus
H. and M. Dearing
1938-6-21
2048
Butte
20 mi NE of Chico, near Shuffleston Station
Comment
UC650296
Rubus laciniatus
E. B. Copeland
1940-8-6
Butte
Forest Ranch
Comment
CHSC11997
Rubus parviflorus
E. B. Copeland
1930-7-16
419
Butte
Jonesville.
1600
Comment
CHSC48872
Rubus parviflorus
Vernon Oswald
1984-5-23
1206
Butte
Calif. Hwy 70 at Heinz Creek, 0.5 mi n-e of Poe Power House. Near the creek.
463
Comment
CHSC115154
Rumex conglomeratus
Lowell Ahart
2015-6-6
20204
Butte
About 20 yards north of the dirt road, about 5/8 mile northwest of the iron gate along Cherokee Road, Beatson Hollow, North Table Mountain, about 7 miles (air) north of Oroville.
304
Comment
JEPS120852
Rumex fueginus
Lowell Ahart
2013-6-18
18804
Butte
About 60 yards W of Parking Lot 14, Gray Lodge Wildlife Management Area, about 7 air miles SW of Gridley.
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
CHSC45386
Rumex salicifolius
Vernon Oswald
1987-6-18
3004
Butte
Butte Creek Reserve on the s side of the creek, n of the Skyway, near the dam for Crouch Ditch.
80
Comment
CHSC100897
Rumex salicifolius var. salicifolius
R. A. Schlising; Lawrence Janeway
1988-8-2
4655
Butte
Northern Butte County, north of Lomo and west of Butte Meadows, along Hwy 32 at Soda Springs Campground.
1139
Comment
CHSC60581
Sagina apetala
Vernon H. Oswald; Lowell Ahart
1993-4-21
5290
Butte
Middle Butte Creek Trail on the W side of the creek and on the upstream side of Ponderosa Way, ca. 2.25 mi (air) NW of Magalia.
707
Comment
SEINET10537602
Sagina apetala
Lowell Ahart
1983-5-12
Ahart 3973
Butte
Along the power line, ca. 0.5 mi ne of jct of Hwy 99 and Pentz Rd, ca. 16 mi s of Chico. Valley Grassland; 65 m.
65
Comment
CHSC116717
Sagina decumbens subsp. occidentalis
Lowell Ahart
2016-5-24
20859
Butte
West side 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) notheast of Honcut.
44
Comment
CHSC52012
Sagina saginoides
L. P. Janeway
1988-6-16
2814
Butte
Along Butte Cr 1.4 mi S of Humboldt Rd via the rd in the W side of the cyn.
1264
Comment
CHSC23688
Sagittaria latifolia
K. Stern
1970-6-1
Butte
Growing in ditch in Rancho Llano Seco.
Comment
UCD138046
Sagittaria latifolia
Herbert L. Mason; Verne Grant
1946-8-14
13030
Butte
Sacramento Outing Club. Butte Sink.
Comment
UC935720
Sagittaria sanfordii
Herbert L. Mason and Verne Grant
1946-9-4
13112
Butte
road between Gridley and Princeton
Comment
JEPS102545
Salix babylonica
Vernon H. Oswald
2001-4-4
9994
Butte
Palm Ave entrance to the Oroville Wildlife Area.
27
Comment
CAS-BOT-BC129945
Salix bonplandiana
Ira L. Wiggins
1925-3-22
1477
Butte
Chico Creek Canyon about 5 miles above Chico
Comment
CAS-BOT-BC103452
Salix eastwoodiae
E. B. Copeland
1931-6-11
617
Butte
Jonesville, Kirby's Meadow
1750
Comment
JEPS119882
Salix exigua var. hindsiana
Lowell Ahart
2012-6-5
18170
Butte
On the bottom of Beatson Hollow, about 1mile northwest of the iron gate on the north side of Cherokee Road, North Table Mountain, about 6 miles (air) north of Oroville.
Comment
CHSC108823
Salix gooddingii
Lowell Ahart
2012-4-17
17872
Butte
On the west side of a deep ditch, area where cobbles were removed for Oroville Dam, about 100 yards south of where the road turns north, about 1/2 mile west of Pacific Heights Road, Oroville Wildlife Area, about 5 miles (air) southwest of Oroville.
35
Comment
JEPS119845
Salix gooddingii
Lowell Ahart
2012-3-23
17794
Butte
Spring like area at the old homestead, about 30 yards southeast of intersection of South Rim Trail and Ten Mile House Road, about 5/8 mile west of Highway 32, about 9 miles (air) northeast of Chico.
Comment
CHSC40542
Salix lasiolepis
J. D. Jokerst; L. Ahart
1984-3-20
1947
Butte
Along the edge of Black Bart Rd. 0.5 miles S of its junction with Forbestown Rd.
Comment
JEPS119536
Salix lasiolepis
Lowell Ahart
2012-2-22
17750
Butte
About 5/8 mile west of Highway 32, about 8 3/4 miles (air) northeast of Chico.
Comment
POM107141
Salix lasiolepis
C. C. Bruce
1898-05
2480
Butte
Little Chico
Comment
CAS-BOT-BC129580
Salix lasiolepis var. lasiolepis
A. A. Heller
1914-4-27
11324
Butte
Hills 8 miles north of Oroville, on the stony banks of a winter stream 8 miles north of Oroville
Comment
LA208857
Salix lemmonii
E. B. Copeland;
1931-6-11
620 a
Butte
Jonesville, Kirby's Meadow
1750.0
Comment
SBBG29070
Salix lemmonii
E. B. Copeland
1931-8-1
Butte
Jonesville
1700
Comment
UC478538
Salix lemmonii
E. B. Copeland
1931-6-11
313
Butte
Kirby's Meadow Jonesville
1750
Comment
CAS-BOT-BC129506
Salix melanopsis
C. C., Mrs. Bruce
1897-6-1
1806
Butte
Gen. Bidwell's
Comment
CHSC42544
Salix melanopsis
Lowell Ahart
1987-5-6
5539
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
274
Comment
POM219007
Salix scouleriana
E. B. Copeland
1931-7-30
624
Butte
Jonesville.
1550
Comment
JEPS116659
Salpichroa origanifolia
L. P. Janeway
2010-5-12
9975
Butte
Chico Chico (north side of Little Chico Creek 15-30 m east of Boucher Street bridge; narrow riparian strip between the creek and Humboldt Road); Sacramento Valley
63
Comment
CHSC20129
Salvia columbariae
D. Joley
1968-8-5
73
Butte
Found growing on Centerville Rd.
Comment
CHSC7039
Salvia sonomensis
L. Kimbley
1969-5-4
9
Butte
Ca. 300 yds ne of Chico Airport, 4 mi n of Chico.
Comment
SEINET13947656
Salvia sonomensis
A. A. Heller
1915-1
11810
Butte
Near Cohasset, near the upper limit of the digger pine in the Sierra foothills
Comment
CHSC36558
Samolus parviflorus
L. Ahart
1982-8-22
3758
Butte
Along edge of North Honcut Creek, a little sw of the Peter Ahart Ranch, ca. 1 mi n and 2 and 3/4 mi e of Honcut.
50
Comment
CDA31962
Sanguisorba minor subsp. muricata
L. Ahart
2009-5-23
15732
Butte
On the east of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
Comment
SEINET10939821
Sanicula bipinnata
Mary Susan Taylor
1981-5-5
Taylor 3618
Butte
T20N R6E ne sec 11. Forbestown quad. E side of spur rd off 21N35Y, ca. 0.5 mi SE of Feather Falls trailhead, ca. 1 air mi N of Feather Falls community. Yellow Pine Forest; 2800 ft.
853
Comment
CHSC99587
Sanicula graveolens
L. P. Janeway
2008-5-26
9389
Butte
Northern High Sierra Nevada. Low ridge near saddle at head of Empire Creek, about 1.6 km west of Flea Valley.
1097
Comment
UC478491
Sanicula graveolens
E. B. Copeland
1931-6-22
Butte
W of Jones Creek; Jonesville
2100
Comment
CHSC50400
Sanicula tracyi
Vernon Oswald; Lowell Ahart
1990-6-27
4329
Butte
Oro-Quincy Hwy at the south edge of Walker Plains, 0.3 mi west-northwest of Buckeye (site).
1536
Comment
CHSC42671
Sanicula tuberosa
Vernon Oswald
1985-1-24
1680
Butte
Upper Bidwell Park, Chico, on the north rim just e of the head of the west intermittent stream flowing into Sycamore Creek.
304
Comment
UC1562355
Sanicula tuberosa
Vernon Oswald and Lowell Ahart
1990-6-27
4329
Butte
Oro--Quincy Hwy at S edge of Walker Plains, 0.3 mi W-NW of Buckeye (site)
1536
Comment
SEINET10454586
Sanicula tuberosa
Mary Susan Taylor
1980-7-6
Taylor 3077
Butte
T25N R3E ne sec 11, Butte Meadows quad; on S side of Old Humboldt Rd, on rocky slope beneath power lines, ca. 0.9 mi W of Butte Meadows Forestry Station. With R.A. Schlising.
1341
Comment
SEINET10972971
Sanicula tuberosa
Mary Susan Taylor
1981-3-31
Taylor 3455
Butte
T22N R4E ne sec 12. Pulga SW quad. N side of spur rd 1/4 mi w of its jct with Ponderosa Way (Rim Rd), ca. 5 air mi n of its jct with Hwy 70 at Jarbo Gap, 18 air mi ne of Oroville; 2600 ft.
792
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
UCD80215
Saponaria officinalis
CNPS SN Foothill Team
2005-7-6
SNNR 0478
Butte
CDFG Daugherty Hill Wildlife Area.
242
Comment
CAS-BOT-BC6054
Saxifraga californica
Amos Arthur Heller
1914-3-19
11214
Butte
Canyon of Big Chico creek
76
Comment
CHSC70840
Saxifraga californica
Vernon Oswald
1998-3-16
8890
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
UC600619
Saxifraga odontoloma
H. F. Copeland
1932-8-19
Butte
se of head of Butte Creek; Jonesville, Butte Creek
2100
Comment
POM196050
Saxifraga oregana
H. F. Copeland
1929-06
1240
Butte
Jonesville.
1524
Comment
UC398919
Saxifraga oregana
E. B. Copeland
1929-7-20
369
Butte
Jonesville
1550
Comment
POM92858
Saxifraga oregana
C. C. Bruce
1898-03
2043
Butte
[no locality information]
Comment
CHSC84662
Schinus molle
Gavin Blosser
2003-9-16
Butte
Northern Sierra Nevada Foothills. Between the road to the Oroville Dam substation and the Thermalito Diversion Pool; about 1100 ft southwest of the base of Oroville Dam. Along a drainage area below the trailer/office building.
112
Comment
CHSC108314
Schoenoplectus acutus var. occidentalis
Lowell Ahart
2011-8-17
17632
Butte
On the west edge of the pond, on the east side of the trail and dam, at the old homestead, about 100 yards south of Ten Mile House Road, about 5/8 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico.
249
Comment
UC1564754
Schoenoplectus subterminalis
V. Oswald and L. Ahart
1989-8-15
3939
Butte
Soda Ridge Rd 1.4 mi w of its junction with Coon Hollow Rd ca 1.2 mi (air) n Philbrook Reservoir; n of Philbrook Reservoir
1752
Comment
CAS-BOT-BC22406
Scirpus congdonii
Lowell Ahart; V. Oswald
1987-7-1
3083
Butte
Cluster of snow lakes ca. 3 mi (air) s of Humbug Summit, 0.5 mi w of Butte-Plumas county line,
1935
Comment
CHSC56799
Scirpus congdonii
L. P. Janeway
1987-6-26
2291
Butte
At Rag Dump, Fall Creek.
1173
Comment
SEINET10467273
Scirpus congdonii
Lowell Ahart, Peter Ahart
1984-7-19
Ahart 4754
Butte
Along the road, about 1 1/2 mile south-east of Bald Mountain, 1/4 mile east of Oak Point, about 5 miles north-east of Stirling City.
Comment
CAS-BOT-BC123993
Scirpus diffusus
E. B. Copeland
1929-7-19
343
Butte
Jonesville
1550
Comment
CAS-BOT-BC239958
Scribneria bolanderi
Lowell Ahart
1983-5-12
3976
Butte
About 0.5 mi. NE of Highway 99 and Pentz Road
65
Comment
JEPS104427
Scrophularia californica subsp. floribunda
Lowell Ahart
2003-4-10
10087
Butte
Under the government pole line, below the south rim of South Table Mountain, ca 1 3/4 mi n of Oroville.
211
Comment
CHSC25267
Scutellaria californica
M. S. Taylor
1977-6-25
1361
Butte
Ca. 50 ft e of Cohasset Rd along old dirt road, ca. 8 mi n of Chico.
121
Comment
CHSC40073
Scutellaria siphocampyloides
A. A. Heller
1927-5-30
14397
Butte
Along Chico Creek, east of Chico.
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
CHSC87928
Secale cereale
Lowell Ahart
2004-5-17
10936
Butte
On the south side of the Midway, about 1/2 mile east of the railroad, about 1 1/2 miles northeast of Durham.
54
Comment
CHSC457
Sedella pumila
R. Carter
1964-3-23
63
Butte
5 mi. E of Chico Rd. on Cherokee Rd. ca. 250 yds. E of rd. along rim of table.
60
Comment
RSA126002
Sedella pumila
E. K. Balls
1957-5-23
22530
Butte
3.8 miles NE of Pentz on road from Paradise.
457
Comment
SBBG30053
Sedella pumila
H. L. Mason
1941-4-6
12409
Butte
3 mi S of Chico near jct of rd to Paradise
91
Comment
SEINET8249655
Sedella pumila
A. Heller
1926-4-19
13923
Butte
Along Chico-Oroville road, about 7 miles from Chico.
Comment
CAS-BOT-BC63853
Sedum spathulifolium
J. F. Emmel
1970-4-5
251
Butte
1/3 air mile E of Richardson Springs along Mud Creek, on S side of creek.
213
Comment
CAS-BOT-BC63855
Sedum spathulifolium
Elizabeth McClintock
1965-4-4
s.n.
Butte
West fork of North Fork of Feather River, in canyon.
396
Comment
CAS-BOT-BC62116
Selaginella hansenii
Lowell Ahart
1968-3-13
s.n.
Butte
Peter Ahart Ranch, Honcut
45
Comment
UC150824
Selaginella hansenii
A. A. Heller
1902-5-6
5466
Butte
near Clear Creek Berry Canyon
Comment
RSA590214
Selaginella hansenii
Michael A. Vincent, Robert M. Rhode, Jim Anowden
1996-3-29
7225
Butte
North Table Mountain, W of Cherokee Rd, N of Oroville. S side Beatson Hollow, ca. 1.15 airmiles NW of entrance on Cherokee Rd.
Comment
CHSC30295
Selaginella wallacei
M. S. Taylor
1980-5-27
2666
Butte
Big Bald Rock.
996
Comment
CHSC48045
Selaginella wallacei
L. P. Janeway
1984-10-7
1178
Butte
Big Bald Rock.
975
Comment
CHSC96138
Selaginella wallacei
Lowell Ahart
2007-2-24
13584
Butte
At and below the high water line on the west side of North Honcut Creek, on and around metavolcanic rock, Peter Ahart Ranch, about 3/4 mile north and 2 2/3 miles east of Honcut, about 12 miles southeast of Oroville.
53
Comment
SEINET10530446
Selaginella wallacei
Mary Susan Taylor
1979-9-28
Taylor 2193
Butte
Butte County line at Hwy 70, between boundry and Arch Rock tunnel; granitic soils and dome outcrop.
488
Comment
UC472365
Senecio aronicoides
H. M. Hall
1912-5-26
Butte
Stirling City Sierra Nevada Mountains
Comment
RSA201477
Senecio eurycephalus var. lewisrosei
J. T. Howell
1962-6-16
s.n.
Butte
Magalia
732
Comment
JEPS124035
Senecio sylvaticus
Lowell Ahart
2015-7-4
20269
Butte
About 3/4 mile west of the intersection of Lumpkin Ridge Road, road to Cascade or Fall River and County Road, about 7 (air) miles northeast of Feather Falls.
Comment
CHSC108784
Senecio vulgaris
L. P. Janeway
2011-6-7
10364
Butte
Sacramento Valley. Along Nelson Ave 1.0 road km west of its bridge over Thermalito Forebay, about 5.7 air km west of Oroville. Weedy edge of road side drainage.
99
Comment
SEINET10938099
Senecio vulgaris
Mary Susan Taylor
1982-4-28
Taylor 4354
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
CHSC5982
Sequoia sempervirens
M. MacArthur
1968-6-12
153
Butte
Chico State College campus. SW side of Life Science bld.
60
Comment
SEINET10569490
Sequoia sempervirens
Carpenter
1975-4-8
Carpenter 3
Butte
Individual, ca 100 yd S of Jct. 4th & Citrus Ave., Chico. Tree ca 100 ft tall. Ornamental planting in exposed r. grassland area.
30
Comment
CHSC28776
Sericocarpus oregonensis
J. D. Jokerst
1979-7-12
323
Butte
1.0 mi W of Kimshew Falls and W. Branch Feather River along smaller stream.
853
Comment
CHSC78228
Setaria parviflora
Lowell Ahart
2000-5-17
8365
Butte
Near the south margin of the Thermalito Afterbay, north of the poor dirt road, about 1/10 mile north of the Richville Highway, about 1/2 mle east of Highway 99, about 7 1/2 miles (air) west of Oroville.
42
Comment
CHSC49573
Setaria sphacelata
Vernon Oswald
1988-6-8
3357
Butte
Hamilton Rd. bordering the south side of Thermalito Afterbay, ca. 0.2 mi e of Hwy 99. In a ditch along the road.
32
Comment
CHSC94557
Setaria viridis
Lowell 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.
431
Comment
SBBG128045
Setaria viridis
L. Ahart
2010-9-24
17237
Butte
irrigated, near the SW edgeof the Golf Course, ca. 10 yards S of the footbridge, along trail from the end of Centennial Avenue to the footbridge across Big Chico Crk, Bidwell Park
91
Comment
CHSC46086
Sherardia arvensis
Lowell Ahart
1989-3-25
6199
Butte
Along an old dirt road, near Lake Oroville, about 1/4 mile north-west of the West Branch Bridge across Lake Oroville.
304
Comment
CDA6643
Sherardia arvensis
W. V. Johnson
1970-5-6
Butte
1680 Fresno Avenue, Oroville.
0
Comment
CHSC116992
Sidalcea asprella subsp. asprella
Lowell Ahart
2016-6-4
20933
Butte
On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown.
732
Comment
UC871456
Sidalcea calycosa
A. A. Heller
1914-3-23
11225
Butte
8 mi n Oroville; n of Oroville
Comment
SBBG128082
Sidalcea calycosa subsp. calycosa
L. Ahart
2009-5-23
15764
Butte
W side of Guardians Trail, just NW of Pine Trail, Upper Bidwell Park, ca. 3/8 mi SW of intersection of Hwy 32 and Ten Mi House Rd
381
Comment
CHSC11787
Sidalcea glaucescens
E. B. Copeland
1930-7-21
658
Butte
Jonesville. In open pine woods.
1550
Comment
CHSC33519
Sidalcea glaucescens
R. A. Schlising; R. Preston, R. Banchero
1981-7-14
4145
Butte
NE Butte County, 0.3 mi SW of Humbug Summit.
1981
Comment
CHSC96333
Sidalcea glaucescens
L. P. Janeway
2006-8-12
8841
Butte
Northern High Sierra Nevada. At Concow Road crossing of uppermost Keyser Creek 0.8 km east-northeast of Bald Mountain summit. Dry forest edge.
1682
Comment
CHSC52092
Sidalcea hartwegii
N. Kvasnik
1980-4-20
16
Butte
Covered Bridge. E side of creek, s of bridge.
91
Comment
UCD116742
Sidalcea hartwegii
Dana J. LeNarz
1982-4-8
14
Butte
110 m SE of Butte Creek, in vicinity of Covered Bridge, 9.7 km SE of Chico.
122
Comment
CHSC26797
Sidalcea oregana subsp. spicata
M. S. Taylor
1977-7-15
1411
Butte
On Ernie's Island in Butte Creek, at jct of Old Humboldt Rd and Butte Creek, near Butte Meadows, ca. 5 mi e of turnoff from Hwy 32.
1326
Comment
UC478499
Sidalcea oregana subsp. spicata
E. B. Copeland
1930-7-15
659
Butte
Jonesville
1500
Comment
CHSC101171
Sidalcea robusta
Lowell Ahart
2009-5-15
15681
Butte
10 yards east of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico.
235
Comment
CHSC54299
Silene antirrhina
Vernon H. Oswald; Lowell Ahart
1991-6-5
4647
Butte
Dirt road to Minnie-Ha-Ha Mine located on Big Chico Creek, on the west side of Hwy 32 ca. 1.5 miles (air) northwest of Platte Mtn Lookout, between Forest Ranch and Lomo.
701
Comment
CHSC48265
Silene bernardina
Vernon Oswald
1985-7-21
1909
Butte
Jones Meadow Rd. ca. 0.1 mi s of its jct. with the dirt road coming in from Inskeep, ca. 0.7 air mi wnw of Jones Meadow Lake. On the edge of the road.
1737
Comment
CAS-BOT-BC389015
Silene laciniata subsp. californica
Helen M. Edwards
1917-6-6
s.n.
Butte
De Sabla
Comment
CHSC215
Silene laciniata subsp. californica
M. Underhill
1952-7-2
Butte
Canyon.
304
Comment
SBBG16971
Silene laciniata subsp. californica
M. Vincent
1962-4-16
198
Butte
Pentz Rd, small reservoir 0.25 mi off rd, 5 mi S of Paradise
Comment
UCD99006
Silene laciniata subsp. californica
Frank Polach
1967-4-22
15
Butte
1/2 mile from railroad, Feather Falls.
914
Comment
UCD99012
Silene laciniata subsp. californica
Cynthia D. Seaman
1980-3-21
1
Butte
NE side of Dark Canyon Road, 2 miles off Highway 70, 25 miles east of Chico.
487
Comment
CAS-BOT-BC181358
Silene occidentalis
A. A. Heller
1917-7-26
12820
Butte
Butte Meadows
1402
Comment
CHSC101977
Silybum marianum
J. Boze
1982-5-8
439
Butte
Along Eaton Road, Chico, about 1 mile from Hwy 99.
Comment
CAS-BOT-BC74932
Sinapis arvensis
A. A. Heller
1914-3-13
11199
Butte
Hills 8 miles north of Oroville.
Comment
JEPS115544
Sisymbrium officinale
Lowell Ahart
2009-5-8
15656
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
CHSC113978
Solanum americanum
Lowell Ahart
2014-11-17
19911
Butte
Just below the high water line of Lake Oroville, about 50 yards west of the Enterprise Boat Launch Area, parking area, about 11 miles (air) northeast of Oroville.
253
Comment
CDA5902
Solanum carolinense
Sterling O. Mattoon
1968-8-2
Butte
Nedry property, corner of Pentz Road & Wagstaff Road, Paradise.
0
Comment
CHSC33912
Solanum parishii
M. S. Taylor
1981-5-22
3797
Butte
Around large landing on saddle of ridge n of Flea Valley Creek and Pulga, ca. 5 air mi e of Magalia.
1097
Comment
SEINET10546687
Solanum parishii
Mary Susan Taylor
1981-5-22
Taylor 3797
Butte
T23N R5E nw/se sec 30, Pulga quad. Around large landing on saddle of ridge running SE from Flea Mt, above Pulga, ca. 5 air mi E of Magalia. 3600 ft.
1097
Comment
CHSC47667
Soliva sessilis
Lowell Ahart
1979-5-11
1871
Butte
In a grain field, Peter Ahart Ranch, about 2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
36
Comment
CAS-BOT-BC365984
Sonchus asper
Lowell Ahart
1980-5-4
2156
Butte
Thermalito
65
Comment
JEPS127027
Sonchus asper subsp. asper
Lowell Ahart
2016-6-4
20926
Butte
On the west side of Ponderosa Way, about 1 mile (air) northwest of Sunset Hill, about 2 1/8 miles (air) northwest of Forbestown.
Comment
CHSC35221
Sorbus scopulina
M. S. Taylor
1981-5-13
3706
Butte
Jct of 23N15.5, 22N66X, and 22N40, ca. 2 air mi s of Four Trees Rd, ca. 1 air mi w of Elks Retreat on Oroville-Quincy Shy.
1280
Comment
CHSC110981
Sorghum halepense
Lowell Ahart
2012-7-5
18281
Butte
A little east of Table 7, on the south side of Big Chico Creek, north of the paved park road, northeast of Cedar Grove, Lower Bidwell Park, Chico.
70
Comment
CHSC4396
Sorghum halepense
R. Jaegel
1966-5-20
Butte
3 mi NW of Chico.
Comment
HSC73012
Sparganium angustifolium
M. S. Taylor, L. Ahart
1981-8-16
4195
Butte
Jones Meadow, 3 mi. S of Philbrook Reservoir, 6 mi. NE of Stirling City
1829
Comment
CHSC33957
Sparganium emersum subsp. emersum
M. S. Taylor; L. Ahart
1981-8-16
4195 A
Butte
Jones Meadow, ca. 3 mi s of Philbrook Reservoir, ca. 6 mi ne of Stirling City. In pond.
1828
Comment
CHSC29108
Spartium junceum
M. S. Taylor; J. D. Jokerst
1980-4-27
2565
Butte
On s side of Humbug Rd, ca. 1/2 mi upstream from Honey Run Covered Bridge, ca. 7 mi e of Chico.
137
Comment
RSA517014
Spergula arvensis
Barbara Ertter, L. Ahart
1986-4-13
5890
Butte
2 air miles NNE of Honcut between Oroville and Marysville, Peter Ahart Ranch (mostly used as sheep pasture).
30
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
CHSC225
Spergularia bocconi
V. Holt
1935-4-24
Butte
Roadside near Plant Gardens.
60
Comment
CHSC65196
Spergularia rubra
Lowell Ahart
1995-5-26
7572
Butte
On the bottom of a small wash, Peter Ahart Ranch, about 2 1/2 miles north and 1/2 mile east of Honcut, about 12 miles south of Oroville.
38
Comment
JEPS108131
Sporobolus creber
Lowell Ahart
2005-10-22
12462
Butte
Irrigated pasture, Daley Ranch, about 1 mile northeast of Honcut, about 13 miles south of Oroville
34
Comment
RSA713021
Sporobolus creber
L. Ahart
2005-10-22
12462
Butte
Daley Ranch, about 1 mile northeast of Honcut, about 13 miles south of Oroville.
34
Comment
CHSC88063
Stachys ajugoides var. rigida
R. D. Fischer
2004-4-20
147
Butte
Sierra Nevada foothills within upper Bidwell Park in Chico on the east-side addition along Hwy. 32. Located along 10 Mile House Road about 1/8 mile below junction of Guardian Trail.
396
Comment
UC884287
Stachys pycnantha
A. A. Heller
1914-7-23
11592
Butte
Chico Meadows Sierra Nevada.
1219
Comment
CHSC60828
Stellaria borealis subsp. sitchana
Vernon H. Oswald; Lowell Ahart
1993-6-22
5558
Butte
Head Dam Rd (120C), 0.5 mi NW of Powellton Rd., between Powellton and Clear Creek, N of De Sabla.
1091
Comment
CAS-BOT-BC391086
Stellaria longipes subsp. longipes
E. B. Copeland
1931-6-1
638
Butte
Jonesville
1500
Comment
CHSC42734
Stellaria media
Lowell Ahart
1987-5-27
5703
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap.
271
Comment
CAS-BOT-BC395117
Stellaria nitens
Lowell Ahart
1987-5-12
5630
Butte
S of Lumpkin Ridge Road, 1.5 miles E of Camp 18, about 8 miles NE of Feather Falls
1280
Comment
CHSC45565
Stellaria nitens
Lowell Ahart
1975-3-23
714
Butte
Near North Honcut Creek, Peter Ahart Ranch, about 1 1/4 miles north and 3 miles east of Honcut, about 12 miles south of Oroville.
45
Comment
CAS-BOT-BC181449
Stellaria obtusa
E. B. Copeland
1931-7-18
636
Butte
Gravel bars on Butte Creek, Jonesville
1500
Comment
CHSC11854
Stellaria obtusa
E. B. Copeland
1931-7-18
636
Butte
Jonesville. On gravel bars by Butte Creek.
1500
Comment
CHSC48281
Stellaria obtusa
Vernon Oswald
1987-7-29
3160
Butte
Near Coon Hollow Rd. at the W. Branch of the Feather River, ca. 2.5 mi (air) n of Philbrook Reservoir. On the edge of a small backwater of the river.
1621
Comment
CHSC51043
Stephanomeria exigua subsp. macrocarpa
Vernon Oswald
1983-10-2
1049
Butte
Upper Bidwell Park, Chico, on the north rim about half way between the heads of the intermittent streams which flow into Sycamore Creek.
347
Comment
CAS-BOT-BC375586
Stephanomeria lactucina
Lowell Ahart
1983-8-16
4307
Butte
Near Bull Hill Road, about 3 1/2 miles south of Butte Meadows
1600
Comment
JEPS87514
Stephanomeria lactucina
Lowell Ahart
1993-7-22
7071
Butte
w side of dirt road about 1/4 mi nw Camp 18 (about 5 air mi ne of Feather Falls)
1219
Comment
CAS-BOT-BC375766
Stephanomeria virgata
John Thomas Howell
1959-9-20
34717
Butte
Feather River Highway at West Branch bridge
Comment
CHSC112780
Stipa lemmonii var. lemmonii
Lowell Ahart
2013-5-27
18714
Butte
On the east side of Black Bart Road, about 3/4 mile (by road) southwest from the intersection of Forbestown Road and Black Bart Road, about 3 1/4 miles (air) southwest of Forbestown.
731
Comment
CHSC38026
Streptanthus drepanoides
R. E. Preston
1982-6-2
293
Butte
Ca. 0.6 mi ese of Kunkle Reservoir, on W. Branch Feather River arm of Lake Oroville, ca. 4.5 mi se of Paradise.
280
Comment
CHSC33225
Streptanthus longisiliquus
R. E. Preston
1981-6-11
83
Butte
On Carpenter Ridge, ca. 3.2 km sw of Butte Meadows.
1340
Comment
CHSC43439
Streptanthus polygaloides
Lowell Ahart
1979-6-9
1928
Butte
Near the edge of the dirt road that goes to the West Branch of the Feather River, about 1/2 mile east of Magalia/
640
Comment
POM117399
Streptanthus polygaloides
C. C. Bruce
1897-04
1942
Butte
Nelson s bar.
Comment
SEINET10448517
Streptanthus polygaloides
Lowell Ahart
1985-5-15
Ahart 4975
Butte
West of Lunt Road, about 1/2 mile north of the inter- section of Lunt Road and Highway 70, north of Yankee Hill, N of Oroville.
Comment
CHSC42697
Streptanthus tortuosus
Lowell Ahart
1987-5-9
5597
Butte
Along Pulga Road, about 1/2 mile south-west of Bardees Bar along the North Fork of the Feather River, about 3 miles south-west of Pulga.
365
Comment
SEINET10448521
Streptanthus tortuosus
Mary Susan Taylor
1980-5-27
Taylor 2700
Butte
T21N R6E sc sec 30. Big Bend quad. On Big Bald Rock, ca. 3 mi E of Lake Madrone; Yellow Pine Forest, large granite dome
998
Comment
UCD164127
Streptanthus tortuosus
N. Ivalu Cacho; Sharon Y. Strauss
2010-5-15
IC-SS 90
Butte
Table Mountain.
389
Comment
HSC96694
Streptanthus tortuosus var. orbiculatus
L. P. Janeway
2005-6-26
8435
Butte
N High Sierra Nevada, 0.3 km W of Cedar Creek, 2.6 km NNW of the mouth of Cedar Creek at N Fork Feather River
1295
Comment
CDA13264
Streptanthus tortuosus var. tortuosus
G. F. Hrusa, T. D. Wilfred
1996-7-9
13112
Butte
Plumas National Forest; Nr. headwaters of Jordan Creek, S of Hwy 162 near Roger's Cow Camp.
Comment
CHSC64153
Streptopus amplexifolius var. americanus
Hal Durio
1994-7-7
Butte
Plumas Nat. Forest. Old placer mining location. Flat along Pinkard Ck., 1 1/4 mile north of Lost Ck. Res., 1 mile west of Sly Ck. Reservoir. East of USFS Road 22N24.
1097
Comment
UC1609006
Streptopus amplexifolius var. americanus
Lowell Ahart
1993-9-13
7232
Butte
about 1 mi se Butte Meadows (banks of Bolt Creek); Bolt Creek
1325
Comment
CAS-BOT-BC48055
Styrax redivivus
John Thomas Howell
1961-9-22
36757
Butte
North fork of Feather River, 10 miles from Oroville.
Comment
LA212389
Styrax redivivus
Jim R. Shevock;
1972-5-19
s.n.
Butte
North Fork Feather River Canyon.
624
Comment
CHSC88057
Swertia albicaulis var. nitida
R. D. Fischer
2004-5-30
183
Butte
Northern Sierra Nevada, 4-5 airmiles n. of Paradise, and w. of upper Paradise Pines. Turn w. off Skyway Road on Nimshew Road, ca. 2 miles down this rd. at a private residence. UTM: 10618179E 4410379N.
751
Comment
SBBG119858
Swertia albicaulis var. nitida
L. Ahart
2003-7-20
10435
Butte
S side of Bean Crk Rd, ca. 1/8 mi N of Little Bald Rock, ca. 2 air mi SE of Brush Crk
987
Comment
UCSB13228
Swertia albicaulis var. nitida
Dearing, Hugh; Dearing, Margaret
1938-6-21
Butte
21 mi. N. of Chico; nr. Lone Pine Lookout; Butte Co., Calif
1219
Comment
CHSC20898
Symphyotrichum bracteolatum
M. S. Taylor
1975-8-31
884
Butte
On Ernies Island in Butte Creek, ca 50 ft S of Humboldt Rd, ca 1/2 mi E of Butte Meadows.
1341
Comment
CHSC109753
Symphyotrichum chilense
Lowell Ahart
2012-10-20
18486
Butte
On the south side of Big Chico Creek, on the east side of the bridge, north of the restrooms, about 200 yards west of Cedar Grove, Lower Bidwell Park, Chico.
70
Comment
CHSC40562
Symphyotrichum chilense
Lowell Ahart
1985-10-8
5195
Butte
On the bottom and sides of North Honcut Creek, Peter Ahart Ranch, about 1 1/2 miles north and 3 miles east of Honcut, about 12 miles south of Oroville.
54
Comment
CAS-BOT-BC97687
Symphyotrichum chilense
Lowell Ahart
1985-10-12
5197
Butte
near the east side of Kunkle Reservoir, about 2 miles south of Paradise
502
Comment
CAS-BOT-BC99037
Symphyotrichum cusickii
Lowell Ahart
1981-9-18
3179
Butte
Sierra Nevada - Arch Rock Tunnel, Hwy. 70
550
Comment
CHSC42995
Symphyotrichum spathulatum var. intermedium
Lowell Ahart
1987-7-3
5785
Butte
Along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap.
271
Comment
CHSC46812
Tanacetum parthenium
R. A. Schlising; P. Broyles
1988-7-3
4567
Butte
SE of Stirling City, past 'Five Corners' at small streamside and roadways in logging slash.
Comment
CHSC30991
Tauschia hartwegii
M. S. Taylor
1980-6-14
2885
Butte
Comment
CHSC88651
Tellima grandiflora
H. Gray
2003-5-14
Butte
Plumas National Forest.
944
Comment
CAS-BOT-BC392313
Thalictrum fendleri
H. F. Copeland
1920-8-29
155
Butte
Jonesville
1219
Comment
CHSC48832
Thalictrum fendleri var. fendleri
Vernon Oswald
1983-8-17
997
Butte
Pacific Crest Trail ca. 2000 ft e of Humboldt Summit, n-e of Jonesville.
2011
Comment
CAS-BOT-BC88214
Thysanocarpus curvipes
Lowell Ahart
1975-4-1
s.n.
Butte
Sierra Nevada. Near Feather Falls.
426
Comment
JEPS115293
Thysanocarpus curvipes
Lowell Ahart, John Dittes
2009-3-20
15500
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
RSA755350
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
UCR237306
Thysanocarpus radians
George K. Helmkamp, E. A. Helmkamp
2012-4-14
18755
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
RSA0049963
Thysanocarpus radians
Barbara Ertter, Lowell Ahart
1986-4-13
5884
Butte
ca. 2 airmiles NNE of Honcut between Oroville and Marysville, Peter Ahart Ranch (mostly used as sheep pasture).
30
Comment
CHSC3007
Tilia americana
Carl Pejsa
1958-4-19
113
Butte
Bidwell Park Forestry Station.
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
RSA719173
Tofieldia glutinosa subsp. occidentalis
Lowell Ahart
2006-7-25
13067
Butte
About 20 yards east of the poor dirt road, about 100 yards south of the cabin, about 3/4 mile (air) northwest of Jonesville, about 5 miles (air) northeast of Butte Meadows.
1570
Comment
JEPS127069
Torilis arvensis subsp. purpurea
Lowell Ahart
2016-5-30
20894
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
CHSC51057
Torilis nodosa
Pauleen Broyles
1987-4-29
1019
Butte
The Nature Conservany Vina Plains Preserve, Wurlitzer addition.
Comment
CHSC4457
Torreya californica
C. Glascock
1965-2-6
206
Butte
2.45 mi. E of Grand View Cafe on Hwy 40A.
Comment
NY20764
Torreya californica
E. S. Burgess
1879-1
s.n.
Butte
This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request.
Comment
SEINET12237187
Toxicodendron diversilobum
G. H. Snodgrass
1981-1
PT- 22
Butte
ca 8 mi E of Chico, a side of Butte Creek Canyon, above Covered Bridge on Honeyrun Rd. Hamlin
152
Comment
CHSC22977
Toxicoscordion venenosum var. venenosum
Robert A. Schlising
1963-5-4
2562
Butte
South of Cohasset, along Cohasset Hwy, 5.2 miles north of Jct with Kiefer Rd. Sierra Nevada.
Comment
CHSC88161
Triantha occidentalis subsp. occidentalis
Lowell Ahart
2004-8-2
11322
Butte
Large bog, the start of a small branch of Keyser Creek, on the south side of the dirt County Road, about 1/4 mile (air) east of Bald Mountain, about 4 miles (air) northeast of Stirling City.
1689
Comment
SEINET10494785
Tribulus terrestris
Mary Susan Taylor
1982-5-22
Taylor 4505
Butte
T17N R2E nw/ne sec 19. Pennington quad. Graylodge Wildlife Refuge, near parking lot 6 on Rutherford Rd, e of Pennington Rd, ca. 12 mi sw of Gridley. 70 ft.
21
Comment